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MCI_CAPTURE%bFd.nMain - MCI_CAPTURE&bA#d4oNotes - MCI_CAPTURE3bA#d;pDefault Processing - MCI_CAPTURE+bA#d/qParameters - MCI_CAPTURE.bA#d2rReturn Values - MCI_CAPTUREbA#d7sdwParam1bA#d7tdwParam2bA#d7udwRC-bA#dfvExample Code - MCI_CAPTURE" Ddg,wMCI_FREEZE(b;Dddp-xTopics - MCI_FREEZE$bFd.yMain - MCI_FREEZE%bA#d4zNotes - MCI_FREEZE2bA#d;{Default Processing - MCI_FREEZE*bA#d/|Parameters - MCI_FREEZE-bA#d2}Return Values - MCI_FREEZEbA#d7~dwParam1bA#d7dwParam2bA#d7dwRC,bA#dfExample Code - MCI_FREEZE#" Ddg,MCI_GETDEVCAPS,b;Dddp-Topics - MCI_GETDEVCAPS(bFd.Main - MCI_GETDEVCAPS)bA#d4Notes - MCI_GETDEVCAPS6bA#d;Default Processing - MCI_GETDEVCAPS0bA#d/Parameters - MCI_GETDEVCAPS1bA#d2Return Values - MCI_GETDEVCAPSbA#d7dwParam1bA#d7dwParam2bA#d7dwRC0bA#dfExample Code - MCI_GETDEVCAPS'" Ddg,MCI_GETIMAGEBUFFER0b;Dddp-Topics - MCI_GETIMAGEBUFFER,bFd.Main - MCI_GETIMAGEBUFFER-bA#d4Notes - MCI_GETIMAGEBUFFER:bA#d;Default Processing - MCI_GETIMAGEBUFFER2bA#d/Parameters - MCI_GETIMAGEBUFFER5bA#d2Return Values - MCI_GETIMAGEBUFFERbA#d7dwParam1bA#d7dwParam2bA#d7dwRC4bA#dfExample Code - MCI_GETIMAGEBUFFER" Ddg,MCI_INFO&b;Dddp-Topics - MCI_INFO"bFd.Main - MCI_INFO#bA#d4Notes - MCI_INFO0bA#d;Default Processing - MCI_INFO(bA#d/Parameters - MCI_INFO+bA#d2Return Values - MCI_INFObA#d7dwParam1bA#d7dwParam2bA#d7dwRC*bA#dfExample Code - MCI_INFO" Ddg,MCI_LOAD&b;Dddp-Topics - MCI_LOAD"bFd.Main - MCI_LOAD#bA#d4Notes - MCI_LOAD0bA#d;Default Processing - MCI_LOAD(bA#d/Parameters - MCI_LOAD+bA#d2Return Values - MCI_LOADbA#d7dwParam1bA#d7dwParam2bA#d7dwRC*bA#dfExample Code - MCI_LOAD" Ddg,MCI_OPEN&b;Dddp-Topics - MCI_OPEN"bFd.Main - MCI_OPEN#bA#d4Notes - MCI_OPEN0bA#d;Default Processing - MCI_OPEN(bA#d/Parameters - MCI_OPEN+bA#d2Return Values - MCI_OPENbA#d7dwParam1bA#d7dwParam2bA#d7dwRC*bA#dfExample Code - MCI_OPEN" Ddg,MCI_PUT%b;Dddp-Topics - MCI_PUT!bFd.Main - MCI_PUT"bA#d4Notes - MCI_PUT/bA#d;Default Processing - MCI_PUT'bA#d/Parameters - MCI_PUT*bA#d2Return Values - MCI_PUTbA#d7dwParam1bA#d7dwParam2bA#d7dwRC)bA#dfExample Code - MCI_PUT " Ddg,MCI_RESTORE)b;Dddp-Topics - MCI_RESTORE%bFd.Main - MCI_RESTORE&bA#d4Notes - MCI_RESTORE3bA#d;Default Processing - MCI_RESTORE+bA#d/Parameters - MCI_RESTORE.bA#d2Return Values - MCI_RESTOREbA#d7dwParam1bA#d7dwParam2bA#d7dwRC-bA#dfExample Code - MCI_RESTORE" Ddg,MCI_SAVE&b;Dddp-Topics - MCI_SAVE"bFd.Main - MCI_SAVE#bA#d4Notes - MCI_SAVE0bA#d;Default Processing - MCI_SAVE(bA#d/Parameters - MCI_SAVE+bA#d2Return Values - MCI_SAVEbA#d7dwParam1bA#d7dwParam2bA#d7dwRC*bA#dfExample Code - MCI_SAVE" Ddg,MCI_SET%b;Dddp-Topics - MCI_SET!bFd.Main - MCI_SET"bA#d4Notes - MCI_SET/bA#d;Default Processing - MCI_SET+bA#d/Parameters - MCI_SET*bA#d2Return Values - MCI_SETbA#d7dwParam1bA#d7dwParam2bA#d7dwRC)bA#dfExample Code - MCI_SET'" Ddg,MCI_SETIMAGEBUFFER0b;Dddp-Topics - MCI_SETIMAGEBUFFER,bFd.Main - MCI_SETIMAGEBUFFER-bA#d4Notes - MCI_SETIMAGEBUFFER:bA#d;Default Processing - MCI_SETIMAGEBUFFER2bA#d/Parameters - MCI_SETIMAGEBUFFER5bA#d2Return Values - MCI_SETIMAGEBUFFERbA#d7dwParam1bA#d7dwParam2bA#d7dwRC4bA#dfExample Code - MCI_SETIMAGEBUFFER" Ddg,MCI_STATUS(b;Dddp-Topics - MCI_STATUS$bFd.Main - MCI_STATUS%bA#d4Notes - MCI_STATUS2bA#d;Default Processing - MCI_STATUS,bA#d/Parameters - MCI_STATUS-bA#d2Return Values - MCI_STATUSbA#d7dwParam1bA#d7dwParam2bA#d7dwRC,bA#dfExample Code - MCI_STATUS!" Ddg,MCI_UNFREEZE*b;Dddp-Topics - MCI_UNFREEZE&bFd.Main - MCI_UNFREEZE'bA#d4Notes - MCI_UNFREEZE4bA#d;Default Processing - MCI_UNFREEZE,bA#d/Parameters - MCI_UNFREEZE/bA#d2Return Values - MCI_UNFREEZEbA#d7 dwParam1bA#d7 dwParam2bA#d7 dwRC.bA#df Example Code - MCI_UNFREEZE%" Ddg, MCI_VDP_GET_MODE.b;Dddp-Topics - MCI_VDP_GET_MODE*bFd.Main - MCI_VDP_GET_MODE+bA#d4Notes - MCI_VDP_GET_MODE8bA#d;Default Processing - MCI_VDP_GET_MODE0bA#d/Parameters - MCI_VDP_GET_MODE3bA#d2Return Values - MCI_VDP_GET_MODEbA#d7dwParam1bA#d7dwParam2bA#d7dwRC2bA#dfExample Code - MCI_VDP_GET_MODE$" Ddg,MCI_VDP_SET_END-b;Dddp-Topics - MCI_VDP_SET_END)bFd.Main - MCI_VDP_SET_END*bA#d4Notes - MCI_VDP_SET_END7bA#d;Default Processing - MCI_VDP_SET_END/bA#d/Parameters - MCI_VDP_SET_END2bA#d2Return Values - MCI_VDP_SET_ENDbA#d7dwParam1bA#d7 dwParam2bA#d7!dwRC1bA#df"Example Code - MCI_VDP_SET_END" Ddg,#MCI_WHERE'b;Dddp-$Topics - MCI_WHERE#bFd.%Main - MCI_WHERE$bA#d4&Notes - MCI_WHERE1bA#d;'Default Processing - MCI_WHERE)bA#d/(Parameters - MCI_WHERE,bA#d2)Return Values - MCI_WHEREbA#d7*dwParam1bA#d7+dwParam2bA#d7,dwRC+bA#df-Example Code - MCI_WHERE" Ddg,.MCI_WINDOW(b;Dddp-/Topics - MCI_WINDOW$bFd.0Main - MCI_WINDOW%bA#d41Notes - MCI_WINDOW2bA#d;2Default Processing - MCI_WINDOW*bA#d/3Parameters - MCI_WINDOW-bA#d24Return Values - MCI_WINDOWbA#d75dwParam1bA#d76dwParam2bA#d77dwRC,bA#df8Example Code - MCI_WINDOW,9Media Control Interface Data Structures$"Dddp:MCI_CAPTURE_PARMSbDddq;dwCallbackbDddq<rect'"Dddp=MCI_GETDEVCAPS_PARMSbDddq>dwCallbackbDddq?dwReturnbDddq@dwItembDddqAwMessagebDddqBwReserved0""DddpCMCI_IMAGE_PARMSbDddqDdwCallbackbDddqEdwPelFormatbDddqFwBitCountbDddqGwReserved0%bDddqHdwImageCompressionbDddqIrectbDddqJpPelBuffer$bDddqKdwPelBufferHeight#bDddqLdwPelBufferWidthbDddqMdwBufLen!"DddpNMCI_INFO_PARMSbDddqOdwCallbackbDddqPlpstrReturnbDddqQdwRetSize!"DddpRMCI_LOAD_PARMSbDddqSdwCallback#bDddqTlpstrElementName&"DddpUMCI_OVLY_OPEN_PARMSbDddqVdwCallbackbDddqWwDeviceIDbDddqXwReserved0"bDddqYlpstrDeviceType#bDddqZlpstrElementNamebDddq[lpstrAliasbDddq\hwndParent&"Dddp]MCI_OVLY_RECT_PARMSbDddq^dwCallbackbDddq_rc%"Dddp`MCI_OVLY_SET_PARMSbDddqadwCallbackbDddqbdwTimeFormat bDddqcdwSpeedFormatbDddqddwAudiobDddqedwLevelbDddqfdwOverbDddqgdwItembDddqhdwValue("DddpiMCI_OVLY_WINDOW_PARMSbDddqjdwCallbackbDddqkhwndbDddqlwCmdShowbDddqmwReserved1bDddqnlpstrTextbDddqolpstrAlias$"DddppMCI_RESTORE_PARMSbDddqqdwCallbackbDddqrSrcRectbDddqsDestRect!"DddptMCI_SAVE_PARMSbDddqudwCallbackbDddqvlpFileName "DddpwMCI_SET_PARMSbDddqxdwCallbackbDddqydwTimeFormat bDddqzdwSpeedFormatbDddq{dwAudiobDddq|dwLevelbDddq}dwOverbDddq~dwItembDddqdwValue#"DddpMCI_STATUS_PARMSbDddqdwCallbackbDddqdwReturnbDddqdwItembDddqdwTrack)"DddpMCI_VDP_GET_MODE_PARMSbDddqdwCallbackbDddqdwReturn("DddpMCI_VDP_SET_END_PARMSbDddqdwCallbackbDddqdwPosition-Media Control Interface String Interface2" Ddg,Video Overlay String Commandsb;Ddd p-CommandsbFd.CAPABILITYbA#d3can distortbA#d3can ejectbA#d3can freeze bA#d3can lockeject'bA#d3can overlay graphicsbA#d3can playbA#d3can recordbA#d3can save bA#d3can setvolumebA#d3can stretch"bA#d3compound devicebA#d3device type+bA#d3horizontal source extent*bA#d3horizontal image extentbA#d3has audiobA#d3has imagebA#d3has videobA#d3message itembA#d3preroll timebA#d3preroll typebA#d3uses files)bA#d3vertical source extent(bA#d3vertical image extentbA#d3windowsbFd.CAPTUREbA#d3at rectbFd.CLOSEbFd.CONNECTORbA#d3actionbA#d3enablebA#d3disablebA#d3query*bA#d3number connector_number&bA#d3type connector_typebFd.FREEZEbA#d3at rectbA#d3outside rectbFd.INFObA#d3productbA#d3filebA#d3imagebA#d3window textbFd.LOADbA#d3filenamebA#d3bFd.OPEN%bA#d3alias device_alias%bA#d3parent parent_hwndbA#d3shareable#bA#d3type device_typebFd.PUTbA#d3sourcebA#d3destination%bA#d3source destination!bA#d3source at rect&bA#d3destination at rect!bA#d3window at rectbFd.RESTORE&bA#d3destination at rectbFd.SAVEbA#d3filenamebA#d3bFd.SET+bA#d3image file format formatbA#d3video offbA#d3video on bA#d3greyscale offbA#d3greyscale on)bA#d3image compression type&bA#d3image quality level)bA#d3image bitsperpel count'bA#d3image pelformat type#bA#d3brightness level!bA#d3contrast levelbA#d3hue level#bA#d3saturation level"bA#d3sharpness levelbFd.STATUS*bA#d3horizontal image extent(bA#d3vertical image extent$bA#d3image compression#bA#d3image bitsperpel"bA#d3image pelformatbA#d3brightnessbA#d3contrastbA#d3greyscalebA#d3huebA#d3saturationbA#d3sharpness bA#d3window handle bA#d3image quality$bA#d3image file format#bA#d3transparent type$bA#d3transparent colorbA#d3readybA#d3modebFd.UNFREEZEbA#d3at rectbA#d3outside rectbFd.WHEREbA#d3sourcebA#d3destinationbA#d3windowbFd.WINDOW'bA#d3handle window_handle!bA#d3handle defaultbA#d3state hide!bA#d3state maximize!bA#d3state minimizebA#d3state show bA#d3state restore!bA#d3state activate#bA#d3state deactivatebA#d3text caption4" Ddg,Amplifier-Mixer String Commandsb;Ddd p-CommandsbFd.CAPABILITYbA#d3can distortbA#d3can ejectbA#d3can freeze bA#d3can lockejectbA#d3can playbA#d3 can recordbA#d3 can reversebA#d3 can save bA#d3 can setvolumebA#d3 can stretch"bA#d3compound devicebA#d3device typebA#d3has audiobA#d3has imagebA#d3has videobA#d3preroll timebA#d3preroll typebA#d3uses filesbA#d3can streambFd.CLOSEbFd.CONNECTORbA#d3actionbA#d3enablebA#d3disablebA#d3query*bA#d3number connector_number&bA#d3type connector_typebA#d3line inbA#d3 line outbA#d3!speakersbFd."INFObA#d3#productbFd.$MASTERAUDIObA#d3%volume levelbA#d3&query volume#bA#d3'query headphones!bA#d3(query speakersbFd.)OPENbA#d3*shareable%bA#d3+alias device_aliasbFd.,SETbA#d3-audiobA#d3.allbA#d3/leftbA#d30rightbA#d31volume bA#d32bass bA#d33treble bA#d34balance bA#d35onbA#d36offbA#d37over bFd.8STATUS$bA#d39audio channel all%bA#d3:audio channel left&bA#d3;audio channel right!bA#d3<audio channel bA#d3=balancebA#d3>bassbA#d3?modebA#d3@readybA#d3AtreblebA#d3Bvolume5" Ddg,CVideodisc Player String Commandsb;Ddd p-DCommandsbFd.ECAPABILITYbA#d3Fcan ejectbA#d3Gcan playbA#d3Hcan recordbA#d3Ican reversebA#d3Jcan savebA#d3KCAVbA#d3LCLV"bA#d3Mcompound devicebA#d3Ndevice typebA#d3Ohas audiobA#d3Phas video#bA#d3Qnormal play rate!bA#d3Rfast play rate!bA#d3Sslow play rate$bA#d3Tmaximum play rate$bA#d3Uminimum play ratebA#d3Vuses files bA#d3Wcan setvolumebA#d3Xpreroll typebA#d3Ypreroll timebA#d3Zmessage bFd.[CLOSEbFd.\CONNECTORbA#d3]actionbA#d3^enablebA#d3_disablebA#d3`query*bA#d3anumber connector_number&bA#d3btype connector_typebA#d3cline outbA#d3dvideo outbFd.eCUEbA#d3foutputbFd.gESCAPEbA#d3hstringbFd.iINFObA#d3jlabelbA#d3kproductbFd.lMASTERAUDIObA#d3mvolume levelbA#d3nquery volume#bA#d3oquery headphones!bA#d3pquery speakersbFd.qOPEN%bA#d3ralias device_aliasbA#d3sshareable#bA#d3ttype device_typebFd.uPAUSEbFd.vPLAYbA#d3wfastbA#d3xslowbA#d3yfrom bA#d3zreversebA#d3{scanbA#d3|speed bFd.}RESUMEbFd.~SEEKbA#d3reversebA#d3to posbA#d3to startbA#d3to endbFd.SET bA#d3audio all offbA#d3audio all on!bA#d3audio left off bA#d3audio left on"bA#d3audio right off!bA#d3audio right on*bA#d3audio volume percentagebA#d3display offbA#d3display onbA#d3door openbA#d3door closedbA#d3door locked bA#d3door unlocked*bA#d3speed format percentage#bA#d3speed format fps%bA#d3time format frames"bA#d3time format hms#bA#d3time format hmsf+bA#d3time format milliseconds%bA#d3time format MMTIME$bA#d3time format trackbA#d3video offbA#d3video onbFd.SETCUEPOINTbA#d3onbA#d3offbA#d3at positionbA#d3return valuebFd.SETENDbA#d3to pos$bFd.SETPOSITIONADVISEbA#d3onbA#d3offbA#d3every unitsbA#d3return valuebFd.SPINbA#d3downbA#d3upbFd.STATUS$bA#d3audio channel all%bA#d3audio channel left&bA#d3audio channel right'bA#d3audio channel number bA#d3current trackbA#d3disc sizebA#d3forwardbA#d3length bA#d3media presentbA#d3media typebA#d3mode#bA#d3number of tracksbA#d3positionbA#d3readybA#d3sidebA#d3speedbA#d3speed format!bA#d3start positionbA#d3time formatbA#d3videobA#d3volumebFd.STEP bA#d3by time_unitsbA#d3reversebFd.STOP*Multimedia Control Message Processing-Multimedia Control Notification Messages" Ddg,WM_CONTROL(b;Dddp-Topics - WM_CONTROL$bFd.Main - WM_CONTROL%bA#d4Notes - WM_CONTROL2bA#d;Default Processing - WM_CONTROL*bA#d/Parameters - WM_CONTROL-bA#d2Return Values - WM_CONTROLbA#d7mp1bA#d7mp2bA#d7ulreply&" Ddg,WM_CONTROLPOINTER/b;Dddp-Topics - WM_CONTROLPOINTER+bFd.Main - WM_CONTROLPOINTER,bA#d4Notes - WM_CONTROLPOINTER9bA#d;Default Processing - WM_CONTROLPOINTER1bA#d/Parameters - WM_CONTROLPOINTER4bA#d2Return Values - WM_CONTROLPOINTERbA#d7mp1bA#d7mp2bA#d7reply Multimedia Control Messages"" Ddg,MCM_ENABLEMCI+b;Dddp-Topics - MCM_ENABLEMCI'bFd.Main - MCM_ENABLEMCI(bA#d4Notes - MCM_ENABLEMCI5bA#d;Default Processing - MCM_ENABLEMCI-bA#d/Parameters - MCM_ENABLEMCI0bA#d2Return Values - MCM_ENABLEMCIbA#d7mp1bA#d7mp2bA#d7ulreply/bA#dfExample Code - MCM_ENABLEMCI"" Ddg,MCM_MCINOTIFY+b;Dddp-Topics - MCM_MCINOTIFY'bFd.Main - MCM_MCINOTIFY(bA#d4Notes - MCM_MCINOTIFY5bA#d;Default Processing - MCM_MCINOTIFY-bA#d/Parameters - MCM_MCINOTIFY0bA#d2Return Values - MCM_MCINOTIFYbA#d7mp1bA#d7mp2bA#d7ulreply/bA#dfExample Code - MCM_MCINOTIFY)" Ddg,MCM_QUERYDEVICEALIAS2b;Dddp-Topics - MCM_QUERYDEVICEALIAS.bFd.Main - MCM_QUERYDEVICEALIAS/bA#d4Notes - MCM_QUERYDEVICEALIASEa22d ?Fa22d @Ga22d AHa22d BIa22d CJa22d DKa22d ELa22d FGMa22d HNa22d IOa22d JPa22d KRa22d LSa22d MTa22d NUa22d OVa22d PWa22d QY and ZRSTUVם5e՞.GdvӟDh(?Q~0VâTݣ9Klɤߤ+Rmѥ *Pdæ:rç?rШ 7]{ө%Pg/T+PvԬ8O|í >hˮ1]Eb}İGt0KbٲNv׳5[}д#>Ypݵ"Rz۶8]~Ϸ ;Vm߸*]ѹ0Ms;Vqλ6e׼ 2YNо#Koƿ<Wn 2f<aL"Ox:Up DuBa.[v$AX*Ge>Yz2Xu-Sp :Sl6Sw$Da C`{7Tq (Da9[y"A`!;So#<Vu %?V{,Qr+E[%Kt@Y1Lh~>bz4Mf *Jk9Ur#Ac0Me5Oj5Vm !;Sm-St;Xu.Pn /Sp6Oi7Pi1Ri*B\s #9Yx&Da}&Km ;Yn,B`$Jq4Wr/H_&Nr 6LfK|6aBXn+S+ZN5\Q'WQg}6[*V|,fGl'W"Hb| % 9 M a u         + ? S m r w |  *Kadditional videodisc player error messagesadvanced featuresQadvantages, multimedia control1aliasingalternate video window"alternate video window destruction;amplifier-mixer connectors6amplifier-mixer device$camplifier-mixer device message table7amplifier-mixer device, sharingamplifier-mixer string commands!:amplifier-mixer, command messages analog video PDD  areas, frozen areas, unfrozen areas, virtual video windowaspect ratio control!$asynchronously performed commandsattributes, videoQaudio attribute controlaudio attribute control8audio shaping features bits per pelbuffer, elementbuffer, elementcapturing video images@CAV videodiscs.characteristics, videoTchild control IDs"Rclasses, multimedia control window"Xclient window, including a control@CLV videodiscscolor, transparent, commands, affecting the virtual video window"$commands, asynchronously performed#>commands, custom (videodisc player)Acommands, motion'communicating with a multimedia control compatibility compression!=configuring your videodisc player4conflicts, message#Pconnector actions, videodisc player;connectors, amplifier-mixer""connectors, M-Motion video overlayPconnectors, videodisc player3considerations, programmingScontrol styles, multimedia"Rcontrol window classes, multimediaQcontrol, audioVcontrol, creating a multimedia%Xcontrol, including in a client window%Ycontrol, including in a dialog windowQcontrol, videoQcontrol, videodisc player#[control, videodisc player specificsQcontrols, multimedia device(converting RGB to YUV)converting YUV to RGB!+coordinates, specifying rectangle!coordinates, specifying rectangleVcreating a multimedia control?current player states>custom commands&Kcustom vidoedisc player error messages"'data format, M-Motion packed video+data structuresOdefault values, MCIDRV_RESTORE#default values, restoring rectangledefault video window% defaults, Motion video overlay device#destruction, alternate video windowdestruction, parent window^DEVCAPS sample program?&developing applications using the M-Motion video overlay device8Zdevice alias, providing the audio attribute control with^device capability applicationQdevice controls/device driver specifics, M-Motion video overlay!device sharing6device, amplifier-mixerdevice, M-Motion video overlayZdevice, opening thedevice, transformdevice, transportdevice, video overlayMdevice-specific values<devices, videodisc player%Ydialog window, including a control in$Idifferent contexts, pause and resume$`direct control of a videodisc player$(displaying video in part of a window#WDLL, loading the multimedia control drag and dropdual plane videoTejectelement buffer.element name, specifying with the open command+Kerror messages, additional videodisc player'Kerror messages, custom videodisc playerfeatures, advanced8features, audio shaping file format file formats formats, fileformats, image buffer&formats, M-Motion video file [frame advance[frame backwardfreezing images  frozen areas#[functions, videodisc player controlgraphics overlay(Mgroup values returned for MCI_GETDEVCAPSEhandling out-of-range values2hardware restrictions &header structure, M-Motion video5heapsize requirements TID_BALANCETID_BASS TID_BRIGHTNESS TID_CONTRASTTID_EJECT TID_FREEZETID_HUETID_MUTETID_PAUSETID_PLAYTID_PLAYR TID_POSITION TID_RECORD TID_REPEAT TID_REWIND TID_SATURATIONTID_SCANTID_SCANR TID_SHARPNESSTID_STEPTID_STEPRTID_STOP TID_TREBLE TID_VOLUMETIDs, child control6Bif commands are issued when the videodisc is spun downimage buffer formatsimage settingsimage support, still videoimages, freezing&Xincluding a control in a client window&Yincluding a control in a dialog windowincoming video'Llast frame of a Sony player, specifying 1line tearing"Wloading the multimedia control DLLloading video images6M-Motion amplifier-mixer device'M-Motion packed video data&M-Motion video file formatsM-Motion video overlay device& M-Motion video overlay device defaults.M-Motion video overlay device driver specifics+bM-Motion video overlay device message table",maintaining the video aspect ratio2-maintaining video aspect ratios of partial sourcesmanipulation, window%Hmapping speeds to player capabilities+Fmapping time formats to player capabilities&9master volume and the amp-mixer device)maximizing a video window eMCI_CAPTURE,MCI_CAPTURE_PARMS PMCI_CONNECTOR\MCI_FORMAT_FRAMES\MCI_FORMAT_HMS\MCI_FORMAT_HMSF\MCI_FORMAT_MILLISECONDS\MCI_FORMAT_MMTIME pMCI_FREEZE{MCI_GETDEVCAPS/MCI_GETDEVCAPS_PARMS&MCI_GETIMAGEBUFFERMCI_GETIMAGEBUFFERMCI_GETIMAGEBUFFER message5MCI_IMAGE_PARMSMCI_INFONMCI_INFO values returned@MCI_INFO_PARMSMCI_LOADDMCI_LOAD_PARMSZMCI_MINIMAL styleMCI_OPENGMCI_OVLY_OPEN_PARMSOMCI_OVLY_RECT_PARMSRMCI_OVLY_SET_PARMS[MCI_OVLY_WINDOW_PARMS JMCI_PAUSE IMCI_PAUSEMCI_PUT MCI_RESTOREbMCI_RESTORE_PARMS IMCI_RESUMEMCI_SAVEfMCI_SAVE_PARMSMCI_SET iMCI_SET_PARMS\MCI_SET_TIME_FORMAT&MCI_SETIMAGEBUFFERMCI_SETIMAGEBUFFERMCI_SETIMAGEBUFFER message MCI_STATUSrMCI_STATUS_PARMSJMCI_STOP MCI_UNFREEZEMCI_VDP_GET_MODE@MCI_VDP_GET_MODEwMCI_VDP_GET_MODE_PARMS MCI_VDP_SET_ENDLMCI_VDP_SET_ENDzMCI_VDP_SET_END_PARMS MCI_WHERE  MCI_WINDOWOMCIDRV_RESTORE MCM_ENABLEMCI MCM_MCINOTIFYMCM_QUERYDEVICEALIASMCM_SETDEVICEALIASMCM_SETDLGTEMPLATE MCM_UPDATE \MCM_UPDATESMCS_BORDER styleSMCS_COMPLETE styleSMCS_MINIMAL styleSMCS_NOADJUSTPOS styleSMCS_VERTICAL style media control device, overlay menu, options4message conflicts+Kmessages, additional videodisc player error:messages, amplifier-mixer'Kmessages, custom vidoedisc player error)cmessages, M-Motion amplifier-mixer device'bmessages, M-Motion video overlay device!amessages, media control interfaceUmessages, multimedia control%messages, video overlay device!dmessages, videodisc player device)minimizing a video window WMMCTL.DLL<models supported, videodisc"@modes returned by MCI_VDP_GET_MODEAmotion commands motion video support)moving a video window%#multi-threaded programs, restrictionsUmultimedia control messagesSmultimedia control 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player control specifics'Svideodisc player control-specific style >videodisc player custom commands%dvideodisc player device message table<videodisc player devices 5videodisc player string commands\videodisc player time formats=videodisc player, configuring'Kvideodisc player, custom error messagesBvideodisc player, spun downBvideodisc players, spun down_VIDPLAY sample program`VIDVIEW sample program virtual video window virtual video window area visible video windowVPM_QUERYPLAYRANGEVPM_SETPLAYRANGESVPS_NOANIMATE styleRWC_AUDIOCTL window classRWC_PLAYERCTL window classRWC_VIDEOCTL window classRWinCreateWindow RWinDlgBox"Rwindow classes, multimedia controlwindow manipulationwindow, specifying a parentwindowing, videowindows, video RWinLoadDlg WM_CONTROLWM_CONTROLPOINTER )YUV to RGB `zooming video 0zooming video $$System ProportionalCourier        !"#%&'()*+,-./000001010x000x00030x000C0x000F0x00300x00C00x00FE0x02000x08000x0FE00x30000xC0000xE0000xFE000xFF110100100010241111121121212012001271281361450150015501616016KB1701721791800191L1R220200200021222233227228242402525525th2L2R330300030DROP30th3233343403443444346353513523600D44041G291941G292041G292141G292241G2923420444400460476484804834845505005152000520055200652010520505210052200525525005300054000544564660600625640640x480656726868068468869577067588080081684990969600:;<=>?[\]_aA abbreviate abbreviationabilityableabortaboutaboveabsenceaccept accepted acceptingacceptsAccessaccess accessed accessible accommodate accomplished according accordingly accurate accurately achievable acquaintedACQUIREacquire acquiredACQUIREDEVICE Acquiring acquiringacrossactactionActionActionsactions activate ACTIVATE activated Activatesactive actively activities activityactsactual actuallyadapterAdapteraddadded addition additional Additional AdditionallyAddressaddress addressable Addressableadjust adjusted 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BusinessbutbuttonbuttonsBybybyteBYTEBYTEsBYTESbytescCcabled calculate Calculate calculated calculates calculating calculationscall callback CALLBACKcalledcallercallingcalls camcordercameraCANCancanCanadacancelCANNOTcannot capabilities CAPABILITY capability CapabilitycapableCaptioncaptionCAPTUREcapture captured captures Captures Capturing capturingcare cartoonsCasecase CassettecastcausecausedcausescausingCAVcbFix cBitCountCDceasecenter centeredcertainChangechangechangedchangesChanges changing ChangingChannelchannel channelschapter CHAPTERS chaptersCHARchar charactercharacteristicsCharacteristics characterscharts checkingChecksChildchildchoicechoicesChoiceschooseChoosechooses choosing chrominancechunk Circular circularclarityClassclassClassesclassesclickClientclientclipclipped clippingCloseCLOSEcloseClosedCLOSEDclosedclosesClosesclosingClosingCLRCLUTCLVcoarserCodecodecodedcodes collectionCOLORColorcolorcolorscolumnsCOM combination combinations combined combines combiningCommandcommandCOMMANDCANCELLEDCOMMANDFAILURE Commands commandscommentCOMMIT committee CommitteeCommoncommon communicatescommunicatingcommunicationCommunicationCommunicationscommunicationsCOMPcompact compaction companiescompareCompatibility compatible COMPATIBLE compiler complements COMPLETE complete completed completely completioncomplex complexity compliant component Components components composed composite Composite Compound compound compressed compressing COMPRESSION compression Compression comprise computed computerconcealconcept Concepts concepts Conclusion concurrently condition conditions configurableconfigurationconfigurations configured conflictconform conforms conjunction connected connection CONNECTION CONNECTIONS connections Connector connector CONNECTORCONNECTORINFO CONNECTORS connectors connects conserve considerConsiderationsconsiderations considered consistent consists Constant constant constants constructconsume consumercontain contained containing contains Containscontent contents Contentscontext contexts contiguous continue Continues continues continuous continuously contradicts Contrast CONTRAST contrastCONTROLcontrolControl controlled controller controllingCONTROLPOINTER controls Controls convenience conventions conversion ConversionConvertconvertCONVERT converted converter converting convertsConvertYUVtoRGB coordinate Coordinates coordinates coordinatingcopiedcopiesCopiescopyCopyCopyingcornercorners Corporationcorrect correctly correspondcorrespondingcouldcount counteract countriescovercoveredcpcPlanesCreateCREATEcreatecreatedCreatescreates Creating creating creationCSCTLCUAcueCUE CUEPOINTCURRENTcurrent Currently currentlyCustomcustom customizedcutcxcycyclistDACDATADatadata deactivate DEACTIVATE Deactivatesdecompressions decreases DecrementDEFDEFAULTDefaultdefault Defaults defaultsdefineDefineddefineddefines defining definition definitions degradationDelaydelaydelayedDELETE demonstrate demonstrated demonstratesdenoted dependent 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encounteredendENDEndendedendingendsEnglishensureEnterentire entiretyentityentry ENUMERATE environment environmentsequalequals equivalentERRORerrorErrorerrorsESCAPE especially essentially establishedetcEurope evaluation Evaluationeveneventeventseveryevidentexactexactly examinesExampleexample Examples examplesexceedexcept exception exceptions excessive exclusive EXCLUSIVE exclusivelyEXEexecute executed executes executionexist existent existingexistsexitsexpandExpand Expanding expectedexpects experimentexperimentation explained explains explanation explicitly exported expresslyextend extendedextends extension Extensions EXTENSIONS extensions extensiveEXTENTextentextents externalextractExtractF1factfadefailfailsfailurefallfallsFALSEFamilyfamilyfastFastfasterFCFfeatureFeature Features featuresfewfewerfffHasfieldfieldsfigureFILEFilefile FileFormat FILEFORMAT filenameFILESfilesfillfilledfilterfinalfindFindsfinerFirstfirstfitFlagFLAGflagflaggedFlagsFLAGSflags flexiblefloat floatingflowfocusfocusedfocusesfolder followed Following followingfollowsForforforceformFORMATFormatformatFormatsformats formattedformula formulasforthForwardforward forwardsFOUNDfoundFourfourFOURCCfpsFPS fractionFrameframeFRAMESFramesframesfreefreesFREEZEFreezefreezeFreezesfreezes Freezing frequencyfromFrozenfrozenFSfulfillFULLfullFull FUNCTION Function function functionalfunctionality functionally functionsfurther Furthermore furthestfuturefuzzyGGaingaingainedgainsgeneral generalized generally Generally generatedgenericgetGetGET GETDEVCAPSGETIMAGEBUFFERGETIMAGEPALETTEgettinggivegivengivesGives glossary GlossarygoingGP graduallygrainygranularities granularityGraphicgraphic Graphical graphical GRAPHICS Graphics graphicsgraphs grayscalegreaterGreengreengrey GREYSCALE greyscaleGroupgroupgrouped Grouping groupinggroupsGuide guideline GuidelineshHhalfhandHANDLEHandlehandlehandledhandlerhandles handlinghard HARDWARE Hardware hardwareHASHashashAudioCtlDialoghavehDllheHEADERheaderheaders headphone headphones HEADPHONESheightHeightheldhelpHelphelpfulhereHereHIhiddenHIDEhideHidesHighHIGHhighhigherhighest highlight highlighted HighlightedHMMIO hmmioFileHMODULEHMShmsHMSFhmsfhNotifyDialogholdholderholdershome horizontal horizontallyhourHourshourshowHowhoweverHowever hPlayDialog HPOINTER hptrhptrNew hptrhptrRet hResourceHueHUEhuehumanhundredHWhwndHWNDhwndAlternatehwndAudioControlhwndAudioControlDlghwndAudioDialog hwndDest hwndMyWindow hwndNotify hwndOwner hwndParent hypertextIIBMiconIDididDlgTemplateideal identicalidentification identified identifier identifiers identifyingIDsifIfignoreignoredignoresIII illuminated illustrate illustrated illustrates illustrationIMAGEimageImageImagesimagesIMG immediatelyimpact implementimplementation implemented implementing implementsimpliedimply important impressionINinIn INACTIVE inactiveinchesINCLIncludeinclude included includes Including including incoming inconsistent incorporate incorporated increase increases Increment increments independentindependentlyINDETERMINATEINDEXindex indicate indicated Indicates indicates indicating indicator individual individuallyinfoINFO infoparmsInfoRet information Information informedinforms infringeINIInitial Initialize Initializes initially initiatedinner innermostInputinputinputsINSERTinsert inserted inserting insertioninside installable installation installed installing INSTALLNAME INSTANCE Instance instance instancesinstead instructing Instructs insufficient insuringintINTintegerInteger integratedIntel intellectual intendedintends intensity interaction interactions interacts intercept interceptinginterdependencies interest interested interface Interface interfaces INTERNAL Internal internal internallyInternational interpret interpreted interpretinginterrelation interval intervals interventioninto introductoryInvalidINVALIDinvalid invalidatesINVALIDTIMEFORMAT invisible involved involvementIOProcIOProcsisissueIssuedissuedissuesIssuesissuingitItItemITEMitemitems iteratesitsitselfjaggedJapanjournaljpeg9jpegnjumbledKBkeepkeepingkeepskeptkey keyboardkeyword kilobyteknobknowknownLLABELlabel languagelargelargerlastlaterlaterallaylayerlayoutlayoutsLDLDPLeadingleadingLeastLeaveleaveLEFTleftlegallyLengthLENGTHlengthlengthsLenXLenYlessletsletterletterslettinglevellevelsLHLIB librarieslibrarylightLikelikelimitLIMITlimitedlimitsLINELinelineLinearlineslinklinkinglistlistedListslistslittleliveLOLoadloadLOADloadedloadingLoading LOADONCALLLoadslocatelocated location locationsLOCKLocklocklockedLOCKED LOCKEJECT lockejectlockingLockslogicLogicallogicallongLONGlongerlookloseloseslost LOUSHORTLowLOWlowlowerlowest lpFilename lpFileNameLPMCIlpQueryLPSTR lpstrAliaslpstrDeviceNamelpstrDeviceTypelpstrElementName lpstrReturnlpstrReturnString lpstrszAlias lpstrText LUMINACE luminance LUMINANCE luminosity LVDP6000LVDSONYLVDSYSM MachinesmademagentaMain maintain maintained Maintaining maintainsmajorMAKEmakemakesMakesmanagemanaged managementmanagerManagermanages managing manipulate manipulated manipulating manipulation ManipulationmanualManymanymapmappedmappingmapsmarkingmaskmasterMaster masteraudio MASTERAUDIO mastervol MASTERVOLmatchmatches matching materialMAXmax maximally MAXIMIZE maximize maximized MaximizesMaximummaximummayMCDMCImciCaptureParmsMCIDRVMCIERRmciFreezeParmsmciGetModeParmsmciImageParms MCINOTIFY mciOpenParmsMCIPASSDEVICEMCIPOSITIONCHANGE mciRectParmsmciRestoreParmsmciSendCommandmciSendStringmciSetEndParmsmciUnFreezeParmsmciWindowParmsMClMCMMCNMCSMDMmeaning meaningfulMeansmeans mechanism mechanismsmedMEDMEDIAmediaMediamediummeetMEMMEMORYMemorymemorymemsetMenumenumenusMessageMESSAGEmessage Messages messagesmetmethodmethodsMexicomgdcpMicroMidmiddleMIDImight millisecond MILLISECONDS millisecondsminminimalMINIMAL MINIMIZE minimize minimized MinimizesMinimumminimumminutesmissingMissingMISSINGmixmixerMixerMixingmixingmlpmmMMmmctlMMCTLmmIDMMIMAGEHEADERmmioMMIOmmioGetHeadermmioGetHeaderLength mmioOpen mmioReadMMOTMMOTIONMMOTIONHEADERMMPMMMPM2 MMSYSTEMMMTIMEmmtimemmXlenmmYlenmodModeMODEmodemodelModelmodels moderateModesmodes modified modifier modifiesmodifyMODIFYModulemodulemodules momentarily monauralMONITORmonitor monitoringmonomoremostMostmotionMotionmouse MOUSEALIGNMOVEmove MOVEABLEmoved movement MOVENOTIFYmovesMovesmovingmp1mp2MPARAM MPFROMHWND MPFROMLONGMPFROMP MPFROMSHORTMRESULTmsMSCMSFmsp mstatuspmuch multimedia Multimedia Multiple multiple multiples multiplexermultiplication multitaskingMustmustMuteMUTEmutemutes mutuallymuxmwspnNNAMEnameNamenamednamelynamesNAMES Nationalnative nativelynaturenearnearest necessaryneedneededneeds negativeneutralNewnewnewlynextNextnibblenibblesNOnoNo NOADJUSTPOS NOANIMATE NOCHAPTERNOCLVnoisenonNONENonenone nonexistentnontransparentnorNormalnormalnormalization normalize Normally normallyNOSIDENOSIZENOTNotnotNOTENote notebookNotesnothingnotice noticeable Notification notificationnotifications notified NOTIFIEDNotifyNOTIFYnotify notifying NOTSPUNUPnowNowNTSCnullNULLnumNUMBERNumbernumbernumbersnumeric numericalOoobjectobjects observerobtainObtain obtainedObtainsobtainsobvious occupiesoccur occurred occurrencesOccursoccursoddOFofOffOFFoffofferedoffers offscreenoffsetOFFSEToffsetsOftenoftenOKOLold OmissionomittedOnONononceOnceOneoneonlineOnlineONLYOnlyonlyontoOpenopenOPEN OpenDeviceOpenedopenedopeningOpeningOpensopensoperandoperate operates operating Operating operation operational operations operatoropposedopt optimizingOptionoption optional OptionaloptionsOptionsORorORDorderordinal ordinals orientationorigin originalOSOS13os2OTHEROtherother Otherwise otherwiseOUToutouter outermost OUTOFRANGEoutputOutputOUTSIDEoutsideovOVERover overflowOVERLAYoverlayOverlay Overlay01 overlaying overridden overshoot overwrite overwritesOVLYownownerpackedpaddedPAGPagepagepagedPaintpaintPAINTpaintedpairPALPALETTEpalettePalette palettizedpanPanPanelpanelspanning paragraph paragraphs PARAMETER parameter Parameters parametersPARAMSPARENTparentParentparityparkedParkedPARKEDparmParmsparmsPARMSparserpart partially particular particularlypartspasspassedpassingpastpathPausePAUSEpausepausedPAUSEDPausedpausespausingpbmphdrpBMPhdrPDD pDlgProcPELPelpel PelFormat PELFORMAT pelformatpelsPerper perceived Percentage PERCENTAGE percentage percentagesPerformperform performance performed Performs performsperiod periodic peripheral permanentpermitpermits permitted permitting pertaining Pertaining pertainsPFNWPPhasephotophrasephrases physical Physical physicallypic1pic16pic2pic2apic9PicturepicturePINKPioneerpitchPixelpixelpixelsPlaceplaceplacedplacesplanePlane platform platformsplatteplatterPlayPLAYplay playable playbackPLAYCTLplayedplayerPlayer PLAYERCTLplayersPLAYINGPlayingplaying playlist PLAYLISTPLAYRPlaysplayspluggedplusPM pmmothdrpointpointedPointerpointer pointingPointspointspollpollsportportion portionspos POSITION Position position positional positions positive possession possibility Possible possible 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(;x M#  (( [q (1s(b2tks/5x A<'G4  ' { * [' L[6 'Fo P'Nu '~  ' ' X'X :$ '4)' d'\* e '^B$' '$ Hd 'dTf 'h FK'( !0 h  .'U[0A p/4d x'kq'>+EMS`~l ( ([ l  (  ( (( r - %  8F>U ^DC #t^D2Hn L L.P>e ' joy':STn{ Y\& `>$$ d0 .hnz '(0^p'0 8 x%<' e  | <KjN O\ (+V:y8z' 9 . #5'  ''L. '.'g'\r0p n',9'2RU/r\'`O|' *C3`` ` b'Zd?'"d'h$*'hfl'c '58=(  "7|NdQ(+k (0w m/ z'L.6 '.'{N'' '   '  d' p '}'&"xa|(TA(e^0'z'XaQ zP&F't jZ&j'D'(@ =t AA B1 C" 3D,'# d| DA C G3H H34 : =P @x   #0  4\ @P P" P1 3d @h A 4L$X @0 T  3  # 5D ? Z3 6\8'\ 4H   '`' 0 P p  A F8 $$d 3 5 d9l  &4(< h3 6` jP ,'( B$ < , p@'( p9L ?T2\ 4t 4t  44X5 "h xx'8 x3':, 9D <|$D< |38 < ~=MDMSWDOSCALLSPMWINNLSMSGVideotapeVideodiscCDaudioDATAudiotapeOtherWaveaudioSequencerAmpmix Overlay Animation Digitalvideo Speaker HeadphoneMicrophoneMonitorCDXAcan record has audio has video has imagecan eject can play can save compound device uses files can lockeject can setvolume preroll type preroll time device type CAPABILITY dev01 Could Not Register ClassCould not get System informationDefault sizeopen alias dev01 wait wait dev01close dev01CAV CLV can reverse TRUE FALSEfast play rate FALSEslow play rate FALSEnormal rate FALSEmaximum rate FALSEminimum rate FALSEcan stretch TRUE FALSEcan distort TRUE FALSEvideo x extent FALSEvideo y extent FALSEimage x extent FALSEimage y extent FALSEmax windows FALSEcan freeze TRUE FALSEcan overlay graphics TRUE FALSEError MessageBox For the DEVCAPS Sample"`  ((((( AAAAAA@@@@@@@@@@@@@@@@@@@@ PF $(,4<DP\dptx| 25,EST  EDT8:::::::::\  `  EDC3GLOBPFC8:::::::::\< #'%($$%'(fghjno????????SETUPARG.ASM 0123456789abcdefghijklmnopqrstuvwxyzSunMonTueWedThuFriSatSundayMondayTuesdayWednesdayThursdayFridaySaturdayJanFebMarAprMayJunJulAugSepOctNovDecJanuaryFebruaryMarchAprilJuneJulyAugustSeptemberOctoberNovemberDecember%m/%d/%y%I:%M:%S%y/%m/%d %I:%M:%Sampm.CDEFAULT_LOCALETEMPMEM -+0123456789abcdefghijklmnopqrstuvwxyzDDE4.MSGInternal library error in function: _GetErrMsg(1) Message not found in message file.(2)(3)Message file not found.=~= $4jxC"P""# ##B1P1G3H3Z3h3x3|33333&444445566d9p99:<=??@@@@A AAADABCFUj=% tjdj<qj5=% tjdj</jh jhjjE}% thQ5555 @Í@Ujjjjh h jjjhjj5j54fËUE =C@ju/@uuu u;t tԸËUV EEEE9Eld Ekff d  j Phjj`f`f 3d0\DžX@\9XEkff X d $ ( @( Ekffd Xff j Phjj`f`f Ekff X d0 $ dd( dj Phjj`Ekf  f9:UkŒ3fk\(XvGP~ƅP0X0QP3fk\Ekf3fk\f3fk\.d3fk\}3fk\Eȋ;v3fk\E5ff@fffv fX@XRffrE@Ef=u @U ^ËU(E r5h j  th4uhXu5jEPh uPjEEPEEPjjju8fE%ju@ftft@jh$jh0ujfE%5E%@u =t @f= tDuuu uD*; &"]0x뾋uuu uÍ@U EjE@Ph[E0EjE@Ph[E0 E}t+5h ju;5jËUVfE fEfEfE fEfEfEffE]fEffEj3fM3fE Ph^h uE}% t h uEE3f;EKhAjhUh u\=\% t @Ek\P\Phch u u uk\jh#jhxuuȋƃEk\% t @Ek\.P\Phah u u LEk\P\Ph`h u u @E@E^ËUSW EEEEE@3f;EEk\M9rEk\XtUk\EEk\E؋Ek\ffE֋Ek\ǀXEPhuذ E@E\hTU܍TT`p g׋ˋ؃`ÃVjjhPTPE}tLjdpPuEpP pPhhah^uذ$E}pzUiҀ ppd ~׋ˋ؃dÃmjjhPpPEUiҀ pph ׋ˋ؃hÃpbpPhhah^uذ(E@E@hfnf}ufnPuذMf} ufnPuذjjhPhE _[Í@ULSW EEfEEfE E+fEfEfVEE p}p+EEf}u"E؂Eعt E؂Eعt~jEPufEPfE PEfEf AEt  "׋ˋ؃Ã}t;t ׋ˋ؃à 9t ׋ˋ؃à t n׋ˋ؃Ã] }t+ hE Ѝt :@t ׋ˋ؃à t ׋ˋ؃à }t+ hE  Ѝt :@t b ׋ˋ؃ÃQ 8t  & ׋ˋ؃à }t+ hE a Ѝta :@t ׋ˋ؃à t  ׋ˋ؃Ãq }t+ hE Ѝt :@t0  ׋ˋ؃à t8 ׋ˋ؃à }t+ hE  Ѝt :@tH v ׋ˋ؃Ãe O@JF= p= p= pG= p=py= pAƅthPuPt tPhhah^uE@EfEf@fE _[UHSW EEEfE EEv Ep@}pEEjEPufEPfE PEfEf @E Px}t9x` ׋ˋ؃Ã7xh z ׋ˋ؃Ãi pxO}t9x # ׋ˋ؃Ã7x ׋ˋ؃Ãx}t) lE  Ѝx 8x j׋ˋ؃ÃYx?}t) lE  Ѝx8x ׋ˋ؃Ãx}t) lE  Ѝx 8x j׋ˋ؃ÃYx?}t) lE  Ѝx8x ׋ˋ؃à x}t) lE  Ѝx 8x j׋ˋ؃ÃY x?}t9x ׋ˋ؃Ã7x ׋ˋ؃Ã$x}t9x< ׋ˋ؃Ãr7xD J׋ˋ؃Ã9to@j=p)=p=p3=p=p=p=p=p|=p돍@AƅxhPuPx<xPhhah^uE@E _[UE @jh$jh0ujr3fE$jh$jh0uj =$t;@uuu u(;w"v tˍ@ËUlE ~E}7JEPjdEPj5EEPhhahu(E@E*uuu u;{ËUh@hhLujjU}uFhjÇېUhd0d5tnEd#5-EhP Q|RxPneed]ÐUhL.d5d-VW N t#IN~|NQVT ҋǃ~}B_^d]U,SVW]]U u0B_^[Ë]K] } u-B t"uN3ړ uu}3ыȃE_^[UVWыʃ+_^USWё Ëʃ+_[ېUSVWʋЋ3ыكO˃_^[UVWʋЋ3ыȃ+_^UW3I_USVW0x t 30_^[h<MQ!u33Ҹd"!0_^[øE u33Ҹd 0_^[Ë}G@fׁ3@Uff3farfzwAff Afvff3fArfZwA ff Afvܸ u33Ҹd# 0_^[Ë=3ҊW t 3  D=E t+3Q+ϋ=ȃY3EE5(MQj t (TE t9otOu-E@"3Ҹ t 3ɋUE_[d]juuuu_[d]ù0 t 3ɋUEM3fQfQ_[d]juuu"u_[d]ù t 3ɋUE9M_[d]Eh=hEEMU9zt,juuQ~u_[d]ËMA l}?u9]t1MAt(% t43m+@]3ҊS3C t 3ɋUE@Ext!3ɋUE*EE83_[d]Í@USVW\EU MEEh0u5 I$MQMQE=ht(3M 9u@XE FuHhp j.hjhp jhjhp jhj0z}?uGhp j.hjhp jhjhp jhj0,@}u#U 3I_^ËM UE_^ËUQR3ɍ MQPQjMQjhj4USVWEqE>t+3ދ3I4F+H0B>uۉUE@E]C4 u _^[ËEs>t+ЋJ,YZ,Z44 3IF>u֋]S,K4[43_^[USVWu߰ычۇ۬<t ɋuH+E_^[ÐUE 3ҊfQ t@@ 3ҊfQ uEUSVWu,u(u$u QRP_^[]ÐUSVWE@t_^[ËMyuA3_^[ËMy@uAA3_^[ËEHMfx6t AMf@6u~FU FD%~4L> N t3 t1΋BA +N+ t3Ƌ u׉UEMQjMQMq  t<t _^[ËE`EEXL@F]{u;}ϋSLT;tCKL _^[ËE@XL]C3_^[U(SVWE؉U MEEEC8t8CHPjjs E t<t ÂH3_^[Ë]{4E EEEE [<] {@] M t3 (+};}sEЋ]E]؋ڋˋ]؃}ƉE]+މ]U+։U)uMΉMf5f0G}AMEJU]E ]Sh ]s(kk  ? m( s$?Z|4Tt5gx<(=p^>D '6 C 'O  FHH't c ' # '   L' 'C['[ o ' TN [ { / }T'ky   8 J S -8BM o 'XFAGi' I= } ' u '\|2`'/~ ` '8  = H HS bm K`  d')- Z j  h#'H U ')-n:J$ *',C 0 0't 3 t %'SY'_jR`F d v   * 3 i t ju"-K  <'<) (%y (E!M 0  (  (  _   7 (ojR('( F (( >('U_ (k (,m (1-t;(=5TcM@R  m ' X H1   'x" f   '>G'  \'  T'Y;b:(1: X'XK '\ * ' ) \7`' '"'$Vr v d')#~G ',  ~ '$ * ? 'n  <y |4 <a <q } (=B66_ KN> \ ((P(+H(8 z''@ An' v'*=   - ' ( '5j t J  '  4 '  ? Z 'L  T 'e  ' X \     '' # `7'$ g% D  ' )Ch S (' ' ' 8OL,   ' 'l ) 'J V w'8#G | Od (0 z<@6' N5]qH '5f& & 'L6DH'K l @6' _'d2 ; 2 veD } ( ( "7^s p (+0' }'Ncxz5LjP'[wT'   NR\  '`  6 ` ; c 'd ?gy'$.'hS\(lN'UF'@   H @8$)L '* :h H:lDJ%*P l    %$p '` )8' $(,048<@d h l p t x | S$T t T  T$' xX%*x\#%X | 'P `$'d '   ` $\ 0h \  |##4l  ,l', P 8p  '0L  0<t `  4w*@x  x$D| d pDEH;HJtAH<M<OH ;PHHH$;H=G:T>D\<H`N,$;P$=`@0;:\(>mJh@0G8; :l{A:x|DMDMDOSCALLSPMWINPMDRAGPMCTLSNLSMSG@@@OverlayM-Motion Amp/MixerVideodiscVidplayOV1VidplayAM1VidplayVD1MMCTLCould Not Register ClassMainWindowCould Not Register ClassMainWindowCould Not Create Main WindowSample VIDPLAYCould not set Overlay to use Client windowDevice(s) not available. Program terminatingOverlay device not available!Amp/Mixer device not available!Videodisc device not available!Load Element (name)File requested could not be loadedImage could not be savedPerform a Load or Capture before savingSave ElementImage could not be savedPerform a Load or Capture before savingNo amp/mixer device availableNo amp/mixer device availableNo videodisc device availableNo videodisc device availableCould not change the audio sourceCould not change the audio sourceCould not change the audio sourceCould not change the audio sourceCould not change the video sourceCould not change the video sourceCould not change the video sourceDRM_OS2FILENo path name for dragged objectNo file name for dragged objectNo Drag item identifiedFile requested could not be loadedAUDIO CONTROLCannot attach audio attributes control to ampmixer deviceCannot create Audio Attributes ControlVIDEO CONTROLCannot attach video attributes control to overlay deviceCannot create Video Attributes ControlVIDEODISC PLAYER CONTROLCannot attach videodisc control to playerCannot create Videodisc Control*.*MessageBox For the VIDPLAY Sample"@    ((((( AAAAAA@@@@@@@@@@@@@@@@@@@@ PFh l p t x |                        $,4@HT`lx,EST  EDT,0   @  EDC3GLOBPFC,0 T0 *'%($$%'(fghjno????????SETUPARG.ASM SunMonTueWedThuFriSatSundayMondayTuesdayWednesdayThursdayFridaySaturdayJanFebMarAprMayJunJulAugSepOctNovDecJanuaryFebruaryMarchAprilJuneJulyAugustSeptemberOctoberNovemberDecember%m/%d/%y%I:%M:%S%y/%m/%d %I:%M:%Sampm.CDEFAULT_LOCALETEMPMEM -+0123456789abcdefghijklmnopqrstuvwxyzDDE4.MSGInternal library error in function: _GetErrMsg(1) Message not found in message file.(2)(3)Message file not found.DD\###S$`$$$$$%%J%X%))w****88::::::;;;$;;;M<\<=$=>(>@@{AA|DEG0GHHOHPHHHHHmJJ`NUj\=\% tjdj<#hHh`h|PE}t j5\=% tjdj<5#jh jhjjxx% thO"jjjXP5\ tXP5\Ƌ5X55\ @Í@U0EjjEjjEjjEj#jEE?jjhh5\4E}% t9!hTjjjhhEPjj $X=X% t!j MEEPE@Pjjj5XXh5XjEjjjEujEE<@ |TfEfEf t ujf t jj5X @\ fÍ@U < tDM)H t dVT0n t 4 Í@Uf=)t4jhjh5Tj @jhjh5Tjf=t1 jhjh<5Tj =% t f=)t=% t yf=t=% tT=t=tz=t,aÍ@UE @h@@hh5ff t EE@fE%@PhxhEPff t EE@fE%@PhhEPf=)t E E@fE%@PhhEPf=)t E E@fE%@PhhEPf=)t E E@fE%@PhhEPf=)t E E@fE%@PhhEPf=t E E@fE%@PhhEPf=t E E@fE%@PhhEPf=)t E E@fE%@Ph6hEPf=)t E E@fE%@Ph7hEPff t EE@fE%@PhhEPjhjhujEfE3fEK@ t7fR t  =t'fj t  u =tG @ t$f  t 0T LF jjj)u3f)@ tt @=t'tj jjjjj5X=t5jhjh5Tj3 K@3f)@ tX'@=t'@tj jjjjj5X=t5@jhjh5Tj @=t' tj jjjjj5X=t5jhjh5Tj @=t' @tj jjjjj5X=t5@jhjh5Tj_ w@3f@ tS@=t' tj jjjjj5X=t5 jhjh<5Tj, @3f@ t@=t' @tj jjjjj5X=t5 @jhjh<5Tj, @=tj5=tj5=tj5=tj5=tj5t=tj5T=tj5=tj5=tj5=tj5=tj5=tj5h f) 7 t h f)  t l;@h f)  t <6h f)  t `@h f o t  h f ; t  mh f  t j 9jjjf Z@ t =t!jjjf jjjf jhjhujjh jhjj_@uuu u;@nxr=== ==[==e=====.=C====6=7(=A=B=C==-=R=o=@@EfEfff9uf$ff9uff)f9ufff=t#=$% tfk f=)t#=% tf)> f=t#=% tf u@ t @jPj$u t"3Ҹ t 3ɋUE_[d]juuuu_[d]ù0 t 3ɋUEM3fQfQ_[d]juuu"u_[d]ù t 3ɋUE9M_[d]E = EEMU9zt,juuQ~u_[d]ËMA l}?u9]t1MAt(% t43m+@]3ҊS3C t 3ɋUE@Ext!3ɋUE*EE83_[d]Í@USVW\EU MEEh0u5 I$MQMQE= t(3 M 9u@XE F< u݉uEE< \E8uCEE@ttEk)@El@Em@EpE]3jEЋ@ 0jC Pjuu^ CtjjqJ}] t%E t]C Ћ] EEE tpjjhE tPjjh] t E] t]̋E tEȋ] t E @EEjjtV] }WWWWjju )EPWWPjjv ujs|}WujuVjjw ujstWujsxWjjx ujVujspWjjy :jj|{7jsjs 6jsjjj} _sjsjPj{7jjj~ ;%Ejj&Ӄ`u ƉEE 3H#M33E#;X3fD(ĀtEr jr$jfB(%PjQMjPjjh UM0F |ujhVE@tjjr?jjs15MAu c\_^[Í@USVW} EU}]3C{ }H D u |@`lڹ}=pƉd4 ׋3Ih0000p΋`󪋽dD|lh+Ћǃ (lM pLFE ;u M UċExĠ_^[Uh5d5d-SVWE A$t3_^[d]ËMA E t fH u3_^[d]Ë}3fO @uÁ% ؁ ӁÁ ځ Ӌ Ё%  Ё t;}G#֋;u3fCdEEu_^[d]3_^[d]Í@UEEH#B$t HE EE=--b$@66L6L6=uE DE8u4@tt -@ !@ @E8u EEHUEEÍ@U0 EEEEEEEEEEb tEsE: tEEG tEE" tEE}tMQE0UEHuMU hÃ=tMQj3Í@USVE؉U ya j3fH ŀYM B@3 t63fH ŀt+uƉE t@ t 3fX ǀu܉uE^[3^[USVWuGۇۇWIQۇۇ۬<< t< t<\t+<"tSuGېBՐtBɐÇېuGOч<"tNsB땐uGuxp=G׋ƒu d jjYA^:ۇۇۇ۬<< t#< t<\t7<"tou :ېѐtŐtu:Oч<"\tN늇s"zu:uXPt_^[ÐUPjUÐU3U3Uh5d5d-VE u ME @EH$Mu;ut@E uEv$;uuE^d]Uh5d5d- jHMfyեXfAy rQd]ËMI 3A EAa faEd dd]USEU x@t:HDu2HL t+%u Q E@LE@L]CD Z} PC,C0C$ tK(H(]C( t [$X$@EX$E[[Uh5d5d-SVW u3_^[d]ËЋ3IM]E{,U3ҋEM3E+ϋC4<8E3t}M u }<9=tB;K,rU]M;K,s#[4M ]@_^[d]3_^[d]USVʃ3H#؋]s Ӌ#ˉM1J3ۂK#3ۊX t+E؉]E^[USVʃ3H#؋]s 3ˉM7@J3ۂK#3ۊX t]+E؉]E^[Uh5d5d-SVW 2ɋ4d эJ3ۂK#ЈE3]@F EيӋˋ؊P ;Ufxե uэdUUUE3C @}u%щM܋ƃBPM܃|يӋ!ˋ؊P } _^[d]ÊC ȈC %࿈C rE C K hhCc fcN @u<@63u ud@M܋6uM܃ ]A\3 _^[d]U,SVW]]U u0B_^[Ë]K] } u-B t"uN3ړ uu}3ыȃE_^[U SVWEU M3ۊY }Z;u@эK3H#A F | MK3҃J#‹UA ^ d4dQ F $ ˆF Ff ffGF $%LjF fFK;]f}EX ]X ]X _^[Í@Uh5d5d-SW$ tv3$_[d]Ë؍{#;+‰E=XjWMQ t3$_[d]Ë]fCե]}_ ]E$_[d]Ë]d tM @MAM}uHhj.hjhjhLjhjh$j0z}?uGhj.hjhjhPjhjh$j0,@}u#TU 3I_^ËM UE_^ËUQR3ɍ MQPQjMQjh$j4USVWEqE>t+3ދ3I4F+H0B>uۉUE@E]C4 u _^[ËEs>t+ЋJ,YZ,Z44 3IF>u֋]S,K4[43_^[USVWu߰ычۇ۬<t ɋuH+E_^[ÐUE 3ҊfQ t@@ 3ҊfQ uEUSVWu,u(u$u QRP_^[]ÐUSVWE@t`_^[ËMyuA3_^[ËMy@uAA3_^[ËEHMfx6t AMf@6u~FU FD%~4L> N t3 t1΋BA +N+ t3Ƌ u׉UEMQjMQMq  t`<_^[ËE`EEXL@F]{u;}ϋSLT;tCKL _^[ËE@XL]C3_^[U(SVWE؉U MEEEC8t8CHPjjs E t`<ÂH3_^[Ë]{4E EEEE [<] {@] M t3 (+};}sEЋ]E]؋ڋˋ]؃}ƉE]+މ]U+։U)uMΉMf5` f0G}AMEJU]E ]Sh ]sMAKEFILE [Bq#QVIDPLAY RC ~Ur#VIDPLAY OBJ r$ :MZ @ !L!This program cannot be run in a DOS session. $LXt`  <-7 .+   ` y  i &9  %-5=EMU]e i nu}  $hp!hL9]\:;< = >?@tAhB\CPDD"E]8%   &VIDVIEWSOURCECONTROLDIALOGPROC8g}P s>4xxxxxxE(H ( . ~ ( e (  A(9(S(b>(k|$ 5m5x )<(|(= -c>P@ '95M\d Bcy5OiuHP* U @ 9 r 4 B Q ] D3r FH w KA 'c\' CJL ' n .{ [   q$'!L|( " 'l ' & Hp  vx68g{}L<Yf<B(H1 wF(0&O!=Yu9  4 P l   9 U q  5 /( ](bnS^j(k|(<a@'&S[g  E Q ] i E c } , E W t #< ' $3FUv$ =m X''*?W| '0P$ 3 $d'0l H6Rn2  - I e  2 N j  . ( 1|83 8V(H. #(TK  ( Gt&6$~(b j( khe<(| (t ' '$u>^uA9-  0 H P _ J i t [D3 ' D m z  ' M'^ O  ' l @m/w'4 ,  p '8v3( x)udR 6 (z(E(og ((O(1(3Zj(b0C(kW.rtu(<#(='  3 b n   ' A  @ ')L U  T M  $ \ ` 'z[ $  'k`  h 'p :Y 0 '8 8 x (  ( ')l(' % = U D  Q  u `'  P 'K  % <2 ? <[ <h ( H =b E 6(SHm+P+A([>n |  ?    P 'x (n(Hf0 ( ( 3b(wN (_e,7[(kQy|' 6EI5 ' ]  ''  ' d 'l X^%', | 8 (?h]V((ak| y'@{     DxHIHPx9'$    0 4 < D H \x'htw4hx'{  ( , @ L  lp ''''  pz8 ~w' tx $,0(8x$ x~ Z KNb \ (+9l (8': z'De' @  Q  ' * L I '4 X ' '  c ~ '  CX'p ' 'n z \ &2  ' ' G '(a h 'Mgln ' '7\s'L'p &0  C 8M <w 7Od (0 ;z L+Х'c 0`d' rY'> >'phl': ] 'J S ' d  ( %:Ov((+ (0 L'PFT' n a x 'mj`^'&'s '' J%W' t *?f{'kt1xx |(2+dSg'.N'x 6*f@\Xx@DPDD   D'|Dx \Hl   `P  P   4`  WTXX  8X\H| <<p @d `$dd   D$HhlXl, l  L,lL00 P  4@t4 t  lthTp8|< |  tu@L ®uD0 DhvvHl 4 KtLvX ̜ p u`T Ю` pX< Xu[t tu\$ x v'Td  he8g'(|( h ) uDvL,m,/'0T012u'4P@t( 7  8| x@ yX yd zvs' d|4<<H |>v'$(,048<@Dhlptx|PMDMDOSCALLSPMGPIPMWINNLSMSGVideodiscVidviewVD1Videodisc02VidviewVD2D$4@W\l|(999, 999), cx=999, cy=999(999,999),999,999OverlayVidviewOV1VidviewAM1QQ[wWwU;WwW33333CCg#WUDWW0DXl0 , 4 < D P X d l t |                     Frame: (%d, %d), cx=%d, cy=%dF:(%d,%d),%d,%dV. window: (%d, %d), cx=%d, cy=%dV:(%d,%d),%d,%dDestination: (%d, %d), cx=%d, cy=%dD:(%d,%d),%d,%dSource: (%d, %d), cx=%d, cy=%dS:(%d,%d),%d,%dC~hild of ClientClient ~688 x 480Client ~344 x 240Client ~172 x 120Client ~86 x 60Client ~240 x 344Client 12~0 x 172Client 3~44 x 172~Window (NTSC)C~hild of ClientClient ~688 x 548Client ~344 x 274Client ~172 x 137Client ~86 x 69Client ~274 x 344Client 13~7 x 172Client 3~44 x 172~Window (PAL)MMCTLVidViewMainWindowCould Not Register ClassVidViewChildWindowCould Not Register ClassOverlayVidviewOV1Open Overlay FAILED - DO NOT CONTINUE!Device Opening ErrorCannot acquire the overlay device, because another application has acquired it exclusively. If you want to see video in VIDVIEW, have the other application close the overlay device.VidViewMainWindowCould Not Create Main WindowSample VIDVIEWVidViewChildWindowPlayer already openedOpen Player FAILEDCannot close device, not openSpi~n UpSpi~n DownLosing use of Overlay Overlay Device %dGaining use of Overlay Overlay Device %dLosing use of Videodisc Player Device %dGaining use of Videodisc Player Device %dFull Screen Client AreaError Message Box For VIDVIEW SampleMM_MCIPASSDEVICE for VIDVIEWThe videodisc player is not ready. Please verify that the player is powered on and that a videodisc is loaded in it right side up; then retry the operation.Not readyPausedPlayingStoppedRecordingSeekingDoor OpenNo DiscParkedStillMillisecondsMMtimeChaptersFramesHMSHMSFPercentageFPSCLVCAVFalseTruePlayer cannot recognize sidePlayer cannot recognize sizeMode: GetMode: Time Format: Speed Format: Media Type: Length: Position: Volume: Speed: Disc Side: Disc Size: Media Present: Ready: Forward: Player Status ValuesWhen the client area is screen-sized, the title bar lies 'above' the screen. You can move the application window down by using the Presentation Manager control keys (click with mouse button 1 on the client area, then press Alt-F7, then cursor down until the sizing rectangle appears, and finally press Enter). You can use the Alt-Esc to move the source control window back to the top.StretchZoomcy: %d(%d,%d)(%d,%d)cx: %dFull Screen Client Area"D ((((( AAAAAA@@@@@@@@@@@@@@@@@@@@ PF  $,8@HPX`lt,EST  EDT04   D EDC3GLOBPFC04X'%($$%'(fghjno????????SETUPARG.ASM 0123456789ABCDEF0123456789abcdefSunMonTueWedThuFriSatSundayMondayTuesdayWednesdayThursdayFridaySaturdayJanFebMarAprMayJunJulAugSepOctNovDecJanuaryFebruaryMarchAprilJuneJulyAugustSeptemberOctoberNovemberDecember%m/%d/%y%I:%M:%S%y/%m/%d %I:%M:%Sampm.CDEFAULT_LOCALETEMPMEM -+0123456789abcdefghijklmnopqrstuvwxyzDDE4.MSGInternal library error in function: _GetErrMsg(1) Message not found in message file.(2)(3)Message file not found.s[ttuuuuuuuv>vLvzvvvvm|  (/<̜et0<2@1H ,gh)87DKXy|®ЮyxUVW j=% tjdj<thh@h|PE}t 3@j5=% tjdj<]t@jjȡH@jjȡHD@TjjIH\@XjjIH`jjhhH54 uf\jjh$hx5 ufPs $s@H@@Ljh jhD3jjjxjjjttjp PP $ 3@ t"H3fZDžplp~3plEpHpl-hlƋh@@hah5l = ILihDŽZ󥡄hhx„„Dždh`@d }G`0dYPh5l d@d``„h@hf@Pl\f@P(l\f\f uh F1xj@jj55jjjẼxpt#jjjjjjp8@p8jjjjjj5}t.hEPj5jjjB5 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ÂH3_^[Ë]{4E EEEE [<] {@] M t3 (+};}sEЋ]E]؋ڋˋ]؃}ƉE]+މ]U+։U)uMΉMf5df0G}AMEJU]E ]Sh ]s #include #include #include #include "devcaps.h" #define LENGTH_STRING 33 /* Length of string */ #define RETURN_ERROR 1 /* return value for exit */ #define BEEP_WARN_FREQ 60 /* frequency of warning beep */ #define BEEP_WARN_DUR 100 /* duration of warning beep */ /************************************************/ /********** Function Prototype Section **********/ /************************************************/ int main( VOID ); MRESULT EXPENTRY ProdInfoDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY DevDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY Dev1InfoPageDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY DevHelpInfoDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); USHORT SetupMyMainWindow (); VOID DisplayMessage(PCH str); BOOL SetupMyDevInfoPages( HWND hwnd ); BOOL GetDevSysInfo(); VOID ProcessDevCaps( HWND hwnd ); VOID VdiscSpecDevCaps( HWND hwnd, WORD wDeviceID ); VOID AmpMixSpecDevCaps( HWND hwnd, WORD wDeviceID ); VOID OvlySpecDevCaps( HWND hwnd, WORD wDeviceID ); /**************************** Global Variables. ****************************/ /* Define parameters by type */ HAB hab; HMQ hmq; HWND hwndFrame; /* Frame window handle */ HWND hwndClient; /* Client window handle-Parent of Notebook */ HWND hwndMain; /* Handle of window containing the Notebook */ HPOINTER hptrOriginal; /* Handle to the default system cursor */ HPOINTER hptrWait; /* Handle to the system wait cursor */ HPOINTER hptrCurrent; /* Handle to the cursor in use */ BOOL bComplete = FALSE; /* switch for first time through */ WORD ActualDev = 0; /* Actual number of installed devices */ /* Define System Information (SYSINFO) Structures */ MCI_SYSINFO_PARMS SysInfo; MCI_SYSINFO_QUERY_NAME SysInfoName; MCI_SYSINFO_LOGDEVICE SysInfoLogData; MCI_SYSINFO_DEVPARAMS SysInfoDevParams; CHAR szMaxDevNameStr[MAX_DEVICE_NAME]; /* String for device name of max length */ /* Notebook page ID's */ HWND hwndDev1Info; ULONG ulIDDev1; /************************************************/ /****** Structute Initialization Section ********/ /************************************************/ /********************************************************************* * Declare and Initialize an array DevInfo[] which will contain * system device information. It is of type MCI_DEVCAPS_DEVICE * and can contain a maximum of 20 elements (MaxDevices). The * DEVCAPS.H file contains the typedef information. The structure * elements are as follows: * DevInfo[].szTabID ID for Tad Label * DevInfo[].hwndPageDlg Page handle * DevInfo[].wDeviceType The device type number * DevInfo[].szInstallName Device Install Name * DevInfo[].szProductInfo Device Product Information * DevInfo[].fDevSelect Device been previously selected ? /*********************************************************************/ MCI_DEVCAPS_DEVICE DevInfo[MaxDevices] = { { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 }, { "", (HWND) 0, 0, "", "", 0 } }; /********************************************************************** * Declare and Initialize an array InstalledDevice[] which will contain * the name and number of MCI devices as defined in the MMSYSTEM.H file * for OS/2 2.0. The array has 17 elements (MCI_MAX_SYSTEM_DEVICE_NAMES) * which is the current definition of OS/2 2.0. The structure * elements are as follows: * InstalledDevice[].szDevTypeName Device Type Name * InstalledDevice[].wDeviceType Device Type Number /*********************************************************************/ MCI_INSTALLED_DEVICE InstalledDevice[MCI_MAX_SYSTEM_DEVICE_NAMES] = { { "Videotape", 1 }, { "Videodisc", 2 }, { "CDaudio", 3 }, { "DAT", 4 }, { "Audiotape", 5 }, { "Other", 6 }, { "Waveaudio", 7 }, { "Sequencer", 8 }, { "Ampmix", 9 }, { "Overlay", 10 }, { "Animation", 11 }, { "Digitalvideo", 12 }, { "Speaker", 13 }, { "Headphone", 14 }, { "Microphone", 15 }, { "Monitor", 16 }, { "CDXA", 17 }}; /********************************************************************** * Declare and Initialize an array StringCommands[] which will contain * the list of basic srting commands that are recognized by all MCI * devices for OS/2 2.0. The array has 13 elements (NumbStrCmds) with * a length of MCI_STRING_LENGTH. The string commands for MCI_OPEN and * MCI_CLOSE are handled in the procedure. The structure has the * following element: * mciStrCommands[MCI_STRING_LENGTH] /* String Command */ /*********************************************************************/ static char szCapCommand[] = "CAPABILITY dev01 "; #define NumbStrCmds 14 SendString StringCommand[NumbStrCmds] = {"can record ", "has audio ", "has video ", "has image", "can eject ", "can play ", "can save ", "compound device ", "uses files ", "can lockeject ", "can setvolume ", "preroll type ", "preroll time ", "device type " }; /************************ End Global Variables. ****************************/ /**************************************************************** * Name: Main * * Description : Window procedure for the main clent window. * * Concepts : None. * * Parameters : None. * * * Returns : Returns 0 to the operating system. * ****************************************************************/ int main( VOID ) { QMSG qmsg; BOOL success; /* Initialize and get an anchor block handle */ hab = WinInitialize( 0 ); if ( !hab ) { DosBeep( BEEP_WARN_FREQ, BEEP_WARN_DUR ); exit( RETURN_ERROR ); } /* endif */ /* Create a message queue */ hmq = WinCreateMsgQueue( hab, 0 ); if ( !hmq) { DosBeep( BEEP_WARN_FREQ, BEEP_WARN_DUR ); exit( RETURN_ERROR ); } /* endif */ /* Display the Product Infomation dialog box */ success = WinDlgBox( HWND_DESKTOP, HWND_DESKTOP, ( PFNWP )ProdInfoDlgProc, ( HMODULE ) 0, ID_PRODINFO, NULL ); if ( !success ) { DisplayMessage( "Could Not Register Class" ); exit( RETURN_ERROR ); } /* endif */ /* This function handles the main window set-up */ SetupMyMainWindow (); WinProcessSecondaryWindow(hwndMain); WinDestroySecondaryWindow(hwndMain); WinDestroyMsgQueue( hmq ); /* Destroy message queue */ WinTerminate( hab ); /* Terminate application */ return( 0 ); } /* End main() */ /*********************** End of main procedure ************************/ /************************************************************************* * Name: SetupMyMainWindow * * Description : Procedure for setting up the Main Window. * * Concepts : The main window for this application is a MMPM/2 * Secondary Window whose client is a dialog window. * All that needs to be done is to use WinLoadSecondaryWindow(), * specifying the resource and id for the dialog for the notebook. * The system pointer is replaced with the waiting "hourglass" * pointer during the window creation process. * * Parameters : None. * * Returns: Return False . * *************************************************************************/ USHORT SetupMyMainWindow() { BOOL success; /* Obtain handle of system pointer (cursor) */ hptrOriginal = WinQueryPointer( HWND_DESKTOP ); /* Obtain handle of system wait pointer (cursor) */ hptrWait = WinQuerySysPointer( HWND_DESKTOP, SPTR_WAIT, FALSE ); hptrCurrent = hptrWait; /* Load the main dialog for the application notebook */ hwndMain = WinLoadSecondaryWindow( HWND_DESKTOP, HWND_DESKTOP, DevDlgProc, ( HMODULE ) 0, ID_MYDIALOG, NULL ); WinDefaultSize(hwndMain); WinShowWindow(hwndMain, TRUE); return ( FALSE ); } /* End SetupMyMainWindow() */ /************** End of SetupMyMainWindow procedure ********************/ /********************************************************************* * Name : ProdInfoDlgProc * * Description : Processes all messages sent to the Product * Information dialog box. * * Concepts : Called for each message sent to the Product * Information dialog box. The Product * Information box only has a button control so * this routine only processes WM_COMMAND * messages. Any WM_COMMAND posted must have come * from the Ok button so we dismiss the dialog * upon receiving it. * * Parameters : hwnd - Window handle to which message is addressed * msg - Message type * mp1 - First message parameter * mp2 - Second message parameter * * Returns : Dependent upon message sent * ****************************************************************/ MRESULT EXPENTRY ProdInfoDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) { switch(msg) { case WM_INITDLG: break; case WM_COMMAND: /* No matter what the command, close the dialog */ WinDismissDlg(hwnd, TRUE); break; default: return WinDefDlgProc( hwnd, msg, mp1, mp2 ); break; } return (MRESULT)0; } /********************** End of ProdInfoDlgProc *********************/ /********************************************************************* * Name: GetDevSysInfo * * Description : This procedure queries the system for information * from its MMPM2.INI file. * * Concepts : Obtains MCI device information through SYSINFO calls. * It asks for the quanity of a specific device type. If * this MCI device type is present then the DevInfo[] * array is filled with the device type name, the device * type number, the device install name, and the device * product information. A device counter, ActualDev, is * used to keep track of the number of actual devices * found in the system. The number of devices, Actual, * is limited to be less then or equal to MaxDevices (20). * * Parameters : None. * * Returns: Returns False if successful and True otherwise. * **********************************************************************/ BOOL GetDevSysInfo() { CHAR SysInfoRetBuf[128]; DWORD dwRC; DWORD dwNumOfThisDevice; DWORD dwDevCount; int i, DeviceType, Max; CHAR szTempStrMaxLength[MAX_DEVICE_NAME]; CHAR szDevOrdStr[5]; szMaxDevNameStr[0] = '\0'; szTempStrMaxLength[0] = '\0'; Max = MCI_MAX_SYSTEM_DEVICE_NAMES; /************************************************************************/ /* Iterate through the device types and determine their existence by */ /* their quantity. Use SYSINFO calls to query the system. The results */ /* will be returned in the SYSINFO structures. */ /************************************************************************/ for ( DeviceType = 0; DeviceType <= Max ; DeviceType ++ ) { memset ( SysInfoRetBuf, 0x00, 128) ; /* Initialize structures */ memset ( &SysInfo, 0x00, sizeof (MCI_SYSINFO_PARMS)) ; SysInfo.wDeviceType = /* Current device type */ InstalledDevice[DeviceType].wDeviceType; SysInfo.lpstrReturn = (LPSTR)&SysInfoRetBuf; /* Return buffer */ SysInfo.dwRetSize = 128; /* Ask for quantity of this device */ dwRC = mciSendCommand (0, MCI_SYSINFO, MCI_SYSINFO_QUANTITY | MCI_WAIT, (DWORD) &SysInfo, 0); if (LOUSHORT(dwRC) == MCIERR_SUCCESS) { dwNumOfThisDevice = SysInfoRetBuf[0] - '0'; /************************************************************/ /* If more than one device of this type, handle all of them */ /************************************************************/ for (dwDevCount=1; dwDevCount <= dwNumOfThisDevice; dwDevCount++) { /****************************************************/ /* Get the INSTALL NAME of this device */ /****************************************************/ SysInfo.wDeviceType = InstalledDevice[DeviceType].wDeviceType; SysInfo.dwNumber = dwDevCount; memset ( SysInfoRetBuf, 0x00, 128) ; SysInfo.dwItem = MCI_SYSINFO_QUERY_NAMES ; /* Set Command Item */ SysInfo.pSysInfoParm = (PVOID)&SysInfoName; memset ( &SysInfoName, 0x00, sizeof(MCI_SYSINFO_QUERY_NAME) ) ; SysInfoName.usDeviceType = InstalledDevice[DeviceType].wDeviceType; SysInfoName.usDeviceOrd = dwDevCount; /* Query device install name */ dwRC = mciSendCommand (0, MCI_SYSINFO, MCI_SYSINFO_ITEM | MCI_WAIT, (DWORD) &SysInfo, 0); if (LOUSHORT(dwRC) == MCIERR_SUCCESS) { /*************************************************/ /* Get the PRODUCT INFORMATION on this device. */ /*************************************************/ SysInfo.wDeviceType = InstalledDevice[DeviceType].wDeviceType; SysInfo.dwNumber = dwDevCount; memset ( SysInfoRetBuf, 0x00, 128) ; SysInfo.dwItem = MCI_SYSINFO_QUERY_DRIVER; SysInfo.pSysInfoParm = (PVOID)&SysInfoLogData; memset ( &SysInfoLogData, 0x00, sizeof(MCI_SYSINFO_LOGDEVICE)) ; strcpy (SysInfoLogData.szInstallName, SysInfoName.szInstallName); /* Query driver for product information */ dwRC = mciSendCommand (0, MCI_SYSINFO, MCI_SYSINFO_ITEM | MCI_WAIT, (DWORD) &SysInfo, 0); /* SysInfoLogData.szProductInfo will contain the product name */ /* If the found type is equal to original type, copy info */ if ( SysInfo.wDeviceType == InstalledDevice[DeviceType].wDeviceType ) { strcpy( DevInfo[ActualDev].szTabID, /* Copy Device Type Name */ InstalledDevice[DeviceType].szDevTypeName ); /* Append on the ordinal value for this instance of the device type */ if (dwDevCount > 1) { memset (szDevOrdStr, 0x00, 5); szDevOrdStr[0] = '0'; szDevOrdStr[1] = '0' + dwDevCount; strcat(DevInfo[ActualDev].szTabID, szDevOrdStr); } DevInfo[ActualDev].wDeviceType = /* Copy device Type Number */ InstalledDevice[DeviceType].wDeviceType ; strcpy( DevInfo[ActualDev].szProductInfo, /* Copy Device Product Information */ SysInfoLogData.szProductInfo ); strcpy( DevInfo[ActualDev].szInstallName, /* Copy device Install Name */ SysInfoLogData.szInstallName ); if ( strlen(DevInfo[ActualDev].szInstallName) > strlen( szTempStrMaxLength )) /* Compare for longest install name */ strcpy(szTempStrMaxLength, DevInfo[ActualDev].szInstallName); ActualDev ++; /* Increment Acual devices installed */ if ( ActualDev > MaxDevices ) /* Check for device limit */ { ActualDev = MaxDevices; /* If more than 20 devices Then */ break; /* only allow for 20. */ } /* end-if */ } /* endif */ } /* endif dwRC #2 */ } /* endfor dwDevCount */ } /* endif dwRC #1 */ if ( ActualDev >= MaxDevices ) /* Allow maximum of 20 devices */ break; } /* endfor DeviceType */ if ( ActualDev == 0) /* If no devices were found return TRUE */ return (TRUE); strcpy( szMaxDevNameStr, szTempStrMaxLength ); /* Copy longest Install name */ return (FALSE); /* and use for Tab Length */ } /********************** End of GetDevSysInfo ***********************/ /**************************************************************************** * Name: DevDlgProc * * Description : Main dialog procedure for the notebook application. * * Concepts : Upon receiving WM_INITDLG this procedure calls * GetDevSysInfo() to obtain device information for * the notebook and calls SetupMyDevInfoPages() to * create the notebook and display device information. * This procedure also traps WM_CONTROL messages for * the notebook and processes them. * * Parameters : hwndDlg - Window handle to which message is addressed * msg - Message type * mp1 - First message parameter * mp2 - Second message parameter * * Returns: Return values are determined by each message * ****************************************************************************/ MRESULT EXPENTRY DevDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ) { HWND hwndNotebook; USHORT usPageStyle; USHORT usPageOrder; switch ( msg ) { case WM_INITDLG: { SWP swp; /* Set The system wait pointer because this takes a little time */ WinSetPointer( HWND_DESKTOP, hptrWait ); if (GetDevSysInfo() ) /* Get device information from the system */ { /* If SYSINFO call failed the exit */ DisplayMessage("Could not get System information"); exit(RETURN_ERROR); } /* Set-up notebook pages for each device found */ SetupMyDevInfoPages (hwndDlg); /* Add "Default Size" to System Menu */ WinInsertDefaultSize(hwndDlg, "Default size"); /* Restore original system pointer */ WinSetPointer( HWND_DESKTOP, hptrOriginal ); /* Make sure that notebook can fit into dialog window */ WinQueryWindowPos(WinWindowFromID(hwndDlg, ID_DEVICE_NOTEBOOK), &swp); WinSetWindowPos(hwndDlg, 0, 0, 0, 2 * swp.x + swp.cx, 2 * swp.y + swp.cy, SWP_SIZE); } break; case WM_COMMAND: /* Posted by pushbutton or key */ /* PM sends a WM_COMMAND message when the user presses either * the Enter or Escape pushbuttons. */ switch( SHORT1FROMMP( mp1 ) ) /* Extract the command value */ { case DID_OK: /* The Enter pushbutton or key. */ case DID_CANCEL: /* The Cancel pushbutton or Escape key */ WinDismissSecondaryWindow( hwndDlg, TRUE ); /* Removes the dialog box */ break; default: break; } break; case WM_HELP: /* Display Help dialog when F1 is pressed */ WinDlgBox(HWND_DESKTOP, hwndDlg, DevHelpInfoDlgProc, (HMODULE) 0, ID_HELP_INFO_DLG, 0); break; case WM_CONTROL: switch( SHORT1FROMMP( mp1 ) ) /* Extract the control ID */ { case ID_DEVICE_NOTEBOOK: /* Notify data in mp2 */ /* What kind of NOTEBOOK notification is it? */ switch( SHORT2FROMMP( mp1 ) ) /* Notify msg type in short2 */ { case BKN_PAGESELECTED: /* Process the selected device */ HandleInfoPageSelect ((PAGESELECTNOTIFY *)mp2); break; } break; } /* endswitch */ break; default: /* Any event messages that the dialog procedure has not processed * come here and are processed by WinDefDlgProc. This call * MUST exist in your dialog procedure. */ return((MRESULT)WinDefSecondaryWindowProc(hwndDlg, msg, mp1, mp2)); } return((MRESULT)WinDefSecondaryWindowProc(hwndDlg, msg, mp1, mp2)); } /********************** End of DevDlgProc ************************/ /******************************************************************* * Name: HandleInfoPageSelect * * Description : Determine which specific page was selected, hide * the old one (if any), show the new one, and update * any information that needs to be displayed in the * new one. * * Concepts : Query the handle of the current notebook page and * save it. Query the handle of the new selected * notebook page. Call ProcDevCaps for the device whose * name is located on the major tab of this page. This * is the device that is to be queried for device * capabilities. * * Parameters : None. * * Returns: Return False. * **********************************************************************/ HandleInfoPageSelect (PAGESELECTNOTIFY *PageSelectStruct) { HWND hwndNewPage, hwndCurPage; /* handle for current and new pages */ USHORT usDevice; /* Some identifier for the device selected */ int i = 0; /* Query the current page handle */ hwndCurPage = (HWND)WinSendMsg(PageSelectStruct->hwndBook, BKM_QUERYPAGEWINDOWHWND, MPFROMLONG (PageSelectStruct->ulPageIdCur), (MPARAM)0); /* Query the selected page handle */ hwndNewPage = (HWND)WinSendMsg(PageSelectStruct->hwndBook, BKM_QUERYPAGEWINDOWHWND, MPFROMLONG (PageSelectStruct->ulPageIdNew), (MPARAM)0); if (hwndNewPage) /* If valid handle then process it */ { WinSetPointer( HWND_DESKTOP, hptrWait ); /* Set system wait pointer */ ProcessDevCaps( hwndNewPage ); /* Query device capabilities */ /* Restore original system pointer */ WinSetPointer( HWND_DESKTOP, hptrOriginal ); } return (FALSE) ; } /* End HandleInfoPageselect */ /******************** End of HandleInfoPageselect *********************/ /********************************************************************* * Name : SetupMyDevInfoPages * * Description : Sets up the notebook pages and tab labels * * Concepts : This procedure is called when WM_INITDLG is sent to * the notebook. It calculates the size of the major * tabs based on the device with the longest install * name. It creates and inserts a page for each device * that exists in DevInfo[]. A major tab is created for * each page with the install name for that device as * its label and then the page dialog is loaded. The * product information is inserted on the status text * line of the notebook. The procedure makes an * association between the application page window * handle and the created page. * * Parameters : hwnd - Handle of the Notebook dialog * * Returns: FALSE if The NoteBook is initialized successfully, * TRUE otherwise. * ****************************************************************/ BOOL SetupMyDevInfoPages( HWND hwnd ) { HWND hwndNotebook; ULONG ulRetCode; USHORT usTabHeight, usTabWidth; /* Tab height and length variables */ USHORT usFontW, usFontH ; /* Font height and width variables */ USHORT usMaxTabCharsH, usMaxTabCharsW ; /* max tab height and width */ int i, j; /* Set Tab Size and Font Dimensions */ usFontW = usFontH = 10; usMaxTabCharsW = 10; usMaxTabCharsH = 1; usTabHeight = usFontH * usMaxTabCharsH + 14; usTabWidth = (USHORT)strlen(szMaxDevNameStr) * usMaxTabCharsW + 16; /* Send notebook set-dimensions command for tabs */ ulRetCode = ( LONG ) WinSendDlgItemMsg( hwnd, ID_DEVICE_NOTEBOOK, BKM_SETDIMENSIONS, MPFROM2SHORT( usTabWidth, usTabHeight ), MPFROMLONG( ( LONG ) BKA_MAJORTAB ) ); if ( !ulRetCode ) return (TRUE); /* Get Handle of the notebook dialog */ hwndNotebook = WinWindowFromID( hwnd, ID_DEVICE_NOTEBOOK ); /* create pages for all Actual found devices */ for ( i = 0; i < ActualDev; i++ ) { /* Create and Insert info page for this device */ ulIDDev1 = ( LONG ) WinSendDlgItemMsg( hwnd, ID_DEVICE_NOTEBOOK, BKM_INSERTPAGE, NULL, MPFROM2SHORT( ( BKA_AUTOPAGESIZE | BKA_STATUSTEXTON | BKA_MAJOR ), BKA_LAST ) ); if ( !ulIDDev1 ) return TRUE; /* Set the tab text( NSTALL NAME) for this device info page */ if ( !WinSendDlgItemMsg( hwnd, ID_DEVICE_NOTEBOOK, BKM_SETTABTEXT, MPFROMLONG( ulIDDev1 ), MPFROMP( DevInfo[i].szInstallName ) ) ) return TRUE; /* Set up the dialog for this info page */ DevInfo[i].hwndPageDlg = WinLoadDlg( hwndNotebook, hwndNotebook, Dev1InfoPageDlgProc, ( HMODULE ) 0, ID_DEVICEDIALOG, NULL ); if ( !DevInfo[i].hwndPageDlg ) return (TRUE); /* Display the Product Information for this device on the notebook status text line for this page */ if ( !WinSendDlgItemMsg( hwnd, ID_DEVICE_NOTEBOOK, BKM_SETSTATUSLINETEXT, MPFROMLONG( ulIDDev1 ), MPFROMP( DevInfo[i].szProductInfo ) ) ) return TRUE; /* Associate the application page hwnd with this notebook page */ if ( !WinSendDlgItemMsg( hwnd, ID_DEVICE_NOTEBOOK, BKM_SETPAGEWINDOWHWND, MPFROMLONG( ulIDDev1 ), MPFROMHWND( DevInfo[i].hwndPageDlg ) ) ) return TRUE; } /* endfor */ return FALSE; } /* End of InitializeNotebook */ /******************** End of SetupMyDevInfoPages ************************/ /********************************************************************** * Name: ProcessDevCaps * * Description : This procedure performs the device capabilities * processing for the selected MCI device. * * Concepts : Finds the device with the given page handle (hwnd). * Opens the specified device with mciSendString. If the * device cannot be opened then the error is reported to * the user. The errors fall into the following types: * 1) Hardware error. The device hardware may not be * present or usable. * 2) MMPM/2 cannot load device driver. The device may * not have or need a driver,...ie SPEAKERS. * After opening the device the list of string commands * are issued with mcisendString for the Command String * Interface. If the current MCI device is of type * videodisc or overlay then the appropriate function is * called to query the device for its device specific * capabilities via the Command Message Interface * (mciSendCommand). This procedure displays the command * and its result on the notebook page for each device * selected. Once a device has been queried, a flag is * set to display the device's data upon additional * selections of this device instead of re-quering the * device each time it is selected. The procedure then * closes the device with the mciSenString command. * * Parameters : hwnd - Window handle to which message is addressed * * Returns: Return FALSE if successfull and TRUE otherwise. * **********************************************************************/ VOID ProcessDevCaps( HWND hwnd ) { DWORD dwRC; CHAR szOpenBuffer[128]; /* Open string buffer */ CHAR szMCIReturnString[MCI_RETURN_STRING_LENGTH]; /* Return string buffer */ CHAR szErrorString[ MCI_ERROR_STRING_LENGTH ]; /* Error string buffer */ ULONG ulSendStringRC = 0, /* Send string return code string */ ulGetErrorStringRC = 0; /* Get error string variable */ ULONG ulSendCommandRC = 0; /* Send command return code string */ int i = 0; CHAR szTabTempID[MAX_DEVICE_NAME]; /* Temp string for Tab */ HWND hwndTempPageDlg; /* Temp hwnd for page */ WORD wDeviceID, wDevTempType; CHAR szTempStr[100]; /* Temp string for output */ /* find the device with this page hwnd */ for ( i=0 ; i cmd) { /* Display the Help dialog box when the Help button is pressed */ case ID_HELP_INFO_DLG: WinDlgBox(HWND_DESKTOP, hwndDlg, DevHelpInfoDlgProc, (HMODULE) 0, ID_HELP_INFO_DLG, 0); break; } break; default: /******************************************************************/ /* Any event messages that the dialog procedure has not processed */ /* come here and are processed by WinDefDlgProc. */ /* This call MUST exist in your dialog procedure. */ /******************************************************************/ return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); } return (MRESULT) FALSE; } /********************** End of DevInfoPageDlgProc ************************/ /**************************************************************** * Name: DevHelpInfoDlgProc * * Description : This dialog procedure handles the dialog help * window for DEVCAPS. It displays a window with * a list box where the help information text is * displayed. The list box is scrollable. The dialog * box has a system menu only. Thus, the user must * close it from the system menu. * * Concepts : List Box with help information. * * Parameters : hwnd - Window handle to which message is addressed * msg - Message type * mp1 - First message parameter * mp2 - Second message parameter * * Returns: Return values are determined by each message * ****************************************************************/ MRESULT EXPENTRY DevHelpInfoDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ) { int count; CHAR szTempStr[100]; LONG lStringLength; switch ( msg ) { case WM_INITDLG: /* Create help dialog and insert the lines of text */ for ( count=0 ; count!?!@!A!B!D!E!F!H!I!J!K!L!M!N!O!P!Q!R!S!T!V!W!Y!Z![!\!]!^!_!`!a!b!c!d!e!f!g!h!i!j!k!l!m!n!o!p!q!r!s!t!u!v!w!x!y!z!{!}!~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"/************************************************************************* * * File Name : Devcaps.rc * * Description : This is the resource file for the DEVCAPS program * * Concepts : None. * * Copyright (C) 1992 IBM Corporation * * DISCLAIMER OF WARRANTIES. The following [enclosed] code is * sample code created by IBM Corporation. This sample code is not * part of any standard or IBM product and is provided to you solely * for the purpose of assisting you in the development of your * applications. The code is provided "AS IS", without * warranty of any kind. IBM shall not be liable for any damages * arising out of your use of the sample code, even if they have been * advised of the possibility of such damages. * * ************************************************************************/ #include #include "devcaps.h" ICON ID_MYDIALOG PRELOAD devcaps.ico BITMAP ID_BITMAP PRELOAD prodinfo.bmp ACCELTABLE ID_MYDIALOG PRELOAD BEGIN VK_F3, ID_EXITPROGRAM, VIRTUALKEY END STRINGTABLE LOADONCALL BEGIN ID_HELP_TEXT_LINE_1 " The DEVCAPS sample program creates a " ID_HELP_TEXT_LINE_2 " notebook style application for the " ID_HELP_TEXT_LINE_3 " presentation of MCI device capability " ID_HELP_TEXT_LINE_4 " information. " ID_HELP_TEXT_LINE_5 "" ID_HELP_TEXT_LINE_6 " DEVCAPS illustrates the use of the MCI " ID_HELP_TEXT_LINE_7 " Command String and Command Message " ID_HELP_TEXT_LINE_8 " interfaces for querying a device's " ID_HELP_TEXT_LINE_9 " capabilities. The MCI Command String " ID_HELP_TEXT_LINE_10 " Interface is employed to query a MCI " ID_HELP_TEXT_LINE_11 " device for its required capabilities. " ID_HELP_TEXT_LINE_12 " The MCI Command Message Interface is " ID_HELP_TEXT_LINE_13 " used to query a MCI device for its " ID_HELP_TEXT_LINE_14 " device specific capabilities. " ID_HELP_TEXT_LINE_15 "" ID_HELP_TEXT_LINE_16 " DEVCAPS will determine the type and " ID_HELP_TEXT_LINE_17 " number of MCI devices currently " ID_HELP_TEXT_LINE_18 " installed in the system. The install " ID_HELP_TEXT_LINE_19 " name for each device will appear as " ID_HELP_TEXT_LINE_20 " major tabs within the notebook. The " ID_HELP_TEXT_LINE_21 " selection of a major tab will generate " ID_HELP_TEXT_LINE_22 " a query of that MCI device. The results " ID_HELP_TEXT_LINE_23 " of this query which is the device " ID_HELP_TEXT_LINE_24 " capabilities will appear on the " ID_HELP_TEXT_LINE_25 " notebook page for this major tab. " ID_HELP_TEXT_LINE_26 "" ID_HELP_TEXT_LINE_27 " DEVCAPS limits the number of devices " ID_HELP_TEXT_LINE_28 " that appear in the notebook to 20 or " ID_HELP_TEXT_LINE_29 " less. This is by virtue of it being a " ID_HELP_TEXT_LINE_30 " sample application. All of the MCI " ID_HELP_TEXT_LINE_31 " devices appearing within the notebook " ID_HELP_TEXT_LINE_32 " will be queried (if selected) for their " ID_HELP_TEXT_LINE_33 " required device capabilities. In " ID_HELP_TEXT_LINE_34 " addition, all videodisc and overlay " ID_HELP_TEXT_LINE_35 " devices will be queried for their " ID_HELP_TEXT_LINE_36 " device specific capabilities " ID_HELP_TEXT_LINE_37 " (if selceted). " ID_HELP_TEXT_LINE_38 "" ID_HELP_TEXT_LINE_39 " DEVCAPS will report a message to the " ID_HELP_TEXT_LINE_40 " notebook if the selected device cannot " ID_HELP_TEXT_LINE_41 " be opened. The messages will have one " ID_HELP_TEXT_LINE_42 " of the following meanings: " ID_HELP_TEXT_LINE_43 " 1) Hardware Error : This will occur if " ID_HELP_TEXT_LINE_44 " the device is not present or usable. " ID_HELP_TEXT_LINE_45 " 2) Cannot Load MMPM2 driver: This will " ID_HELP_TEXT_LINE_46 " occur when a device such as SPEAKER is " ID_HELP_TEXT_LINE_47 " selected for query. The speaker does not " ID_HELP_TEXT_LINE_48 " require a driver. Thus, it cannot be " ID_HELP_TEXT_LINE_49 " queried. " ID_HELP_TEXT_LINE_50 "" ID_HELP_TEXT_LINE_51 " DEVCAPS presents the device's install " ID_HELP_TEXT_LINE_52 " name on a major tab, the device type " ID_HELP_TEXT_LINE_53 " on the device's notebook page and the " ID_HELP_TEXT_LINE_54 " device's product information on the " ID_HELP_TEXT_LINE_55 " status text line of the notebook. " END rcinclude devcaps.dlg `~2WEMITPSC EXE `~^+RCPP EXE `~lDLGEDIT EXE `~/MKMSGF EXE `~%;******* DEVCAPS Sample Program Module Definition File (.DEF) *********** ; ; The module definition file supplies extra information about the program ; module to the LINKER. NAME DEVCAPS WINDOWAPI DESCRIPTION 'OS/2 MMPM/2 Sample Notebook Device Capability Program' DATA MULTIPLE STACKSIZE 8192 HEAPSIZE 8192 PROTMODE # IBM Developer's Workframe/2 Make File Creation run at 15:36:38 on 08/17/92 # Make File Creation run in directory: # D:\MMEDIA\SAMPLES\MMPM2\DEVCAPS; .SUFFIXES: .SUFFIXES: .c .rc ALL: DEVCAPS.EXE \ DEVCAPS.RES DEVCAPS.EXE: \ DEVCAPS.OBJ \ DEVCAPS.RES \ devcaps.def \ MAKEFILE @REM @< #include #include #include #include "vidplay.h" #include "MMCTL.H" #define LENGTH_STRING 33 /* Length of string */ #define RETURN_ERROR 1 /* return value for exit */ #define BEEP_WARN_FREQ 60 /* frequency of warning beep */ #define BEEP_WARN_DUR 100 /* duration of warning beep */ #define X_MMCTL 8 /* X offset of MM control */ #define Y_MMCTL 3 /* Y offset of MM control */ /************************************************/ /********** Function Prototype Section **********/ /************************************************/ int main( VOID ); MRESULT EXPENTRY MainWinProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY ProdInfoDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY VidplayHelpInfoDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY pAACDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY pVACDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY pVPCDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); VOID OptimizeControlDialogSize (HWND hwndControlDlg, HWND hwndControl); USHORT SetupMyMainWindow (VOID); DWORD CreateControls (VOID); VOID DisplayMessage(PCH str); DWORD GetElementName (HWND hwnd, PSZ pszTitle, PSZ pszElementName); /****************************************************************/ /* MCI Device Operation functions - */ /* These package MCI calls for easy debugging & readability */ /****************************************************************/ DWORD OpenDevices (VOID); DWORD OpenDevice (LPSTR lpstrDevName, LPSTR lpstrDevAlias, WORD *pwDeviceID); DWORD CloseDevice (WORD wDeviceID); DWORD AcquireDevice (WORD wDeviceID, DWORD dwExclusive); DWORD LoadElement (WORD wDeviceID, PSZ pszName); DWORD SaveElement (WORD wDeviceID, DWORD dwFlag, PSZ pszName); DWORD Capture (WORD wDeviceID, DWORD dwFlag, DWORD dwX1, DWORD dwY1, DWORD dwX2, DWORD dwY2); DWORD Restore (WORD wDeviceID, DWORD dwFlag, DWORD dwX1, DWORD dwY1, DWORD dwX2, DWORD dwY2); DWORD CheckUnFreeze (WORD wDeviceID, DWORD dwFlag, DWORD dwX1, DWORD dwY1, DWORD dwX2, DWORD dwY2); DWORD UseAlternateWindow (WORD wDeviceID, HWND hwndAlternate); DWORD CheckTransparencyColor (WORD wDeviceID, COLOR *TransColor); DWORD SelectSource (WORD wDeviceID, DWORD dwSourceNum, DWORD dwSourceType, DWORD dwSetting); /**************************** Global Variables. ****************************/ /* Define parameters by type */ HAB hab; HMQ hmq; HWND hwndFrame; /* Frame window handle */ HWND hwndClient; /* Client window handle-Parent of Notebook */ HWND hwndControlClient; /* Client window handle-Parent of Notebook */ HWND hwndMainDlg; /* Handle of window containing the Notebook */ HWND hwndMenu; /* Handle for Menu */ HMODULE hMMCTLDll; /* MMCTL.DLL handle */ HWND hwndAACDlg; /* Handle for Audio control */ HWND hwndVACDlg; /* Handle for Video control */ HWND hwndVPCDlg; /* Handle for Player control */ HWND hwndAAC; /* Handle for Audio control */ HWND hwndVAC; /* Handle for Video control */ HWND hwndVPC; /* Handle for Player control */ WORD wOverlayDevID = 0; WORD wAmpMixDevID = 0; WORD wVdiscDevID = 0; /* Device Names and Alias used for MCI control */ /* These are NOT displayed anywhere, and do NOT have to be translated ! */ static szOverlayDevName [] = "Overlay"; /* This version of code opens ONLY the M-Motion Amp Mixer. To use this with other amp/mixers use the name "Ampmix". Other amp mixers MUST default to pass-through audio enabled. Some do not. */ /* static szAmpMixDevName [] = "Ampmix"; */ static szAmpMixDevName [] = "M-Motion Amp/Mixer"; static szVdiscDevName [] = "Videodisc"; static szOverlayAlias[] = "VidplayOV1"; static szAmpMixAlias [] = "VidplayAM1"; static szVdiscAlias [] = "VidplayVD1"; BOOL fOverlayAcquired = FALSE; BOOL fVdiscAcquired = FALSE; BOOL fAmpMixAcquired = FALSE; DWORD dwInformType = MCI_WAIT; BOOL fElement = FALSE; HWND hwndNotify = 0; HWND hwndDefaultVW = 0; HWND hwndAltVW = 0; DWORD dwAACShape = MCS_COMPLETE; DWORD dwVACShape = MCS_COMPLETE; DWORD dwVPCShape = MCS_COMPLETE; COLOR TransColor = CLR_BLACK; /************************************************/ /****** Structure Initialization Section ********/ /************************************************/ /************************ End Global Variables. ****************************/ /**************************************************************** * Name: Main * * Description : * Main PM program block which sets up the main window, queue, etc * * Concepts : * Standard PM programming. * * Parameters : None. * * Returns : Returns 0 to the operating system. * ****************************************************************/ int main( VOID ) { QMSG qmsg; BOOL success; APIRET aRC; CHAR szFailBuffer[128]; /* Initialize and get an anchor block handle */ hab = WinInitialize( 0 ); if ( !hab ) { DosBeep( BEEP_WARN_FREQ, BEEP_WARN_DUR ); exit( RETURN_ERROR ); } /* endif */ aRC = DosLoadModule(szFailBuffer, sizeof(szFailBuffer), MMCONTROLS_DLLNAME, &hMMCTLDll); if(aRC != 0) return FALSE; /* Create a message queue */ hmq = WinCreateMsgQueue( hab, 0 ); if ( !hmq) { DosBeep( BEEP_WARN_FREQ, BEEP_WARN_DUR ); exit( RETURN_ERROR ); } /* endif */ /* Display the Product Infomation dialog box */ success = WinDlgBox( HWND_DESKTOP, HWND_DESKTOP, ( PFNWP )ProdInfoDlgProc, ( HMODULE ) 0, ID_DLG_PRODINFO, NULL ); if ( !success ) { DisplayMessage( "Could Not Register Class" ); exit( RETURN_ERROR ); } /* endif */ /* This function handles the main window set-up */ SetupMyMainWindow (); /*************************************************************** * Get and dispatch messages from the application message queue * until WinGetMsg returns FALSE, indicating a WM_QUIT message. ****************************************************************/ while ( WinGetMsg( hab, &qmsg, ( HWND )NULL, 0, 0) ) WinDispatchMsg( hab, &qmsg ); WinDestroyWindow( hwndFrame ); /* Destroy main window */ WinDestroyMsgQueue( hmq ); /* Destroy message queue */ WinTerminate( hab ); /* Terminate application */ return( 0 ); } /* End main() */ /*********************** End of main procedure ************************/ /************************************************************************* * Name: SetupMyMainWindow * * Description : * This function will perform the initial window and device setup * operations requried to begin communicating with the devices. * If the device opening process fails for any reason, the program * will exit back to OS/2. * * Concepts : * Procedure for setting up the Main Window. * Registers and creates the main window * Opens the devices * Instructs the Overlay device to use the Client area * as the video window * Determines the transparency color used by the Overlay * device * Sets the background of the video window to the * transparency color * * Parameters : None. * * Returns: * FALSE if ALL OK * > 0 if an error occured that can be bypassed *************************************************************************/ USHORT SetupMyMainWindow(VOID) { BOOL success; DWORD dwRC; ULONG flCreate = 0; HPOINTER hptrOriginal; /* Handle to the default system cursor */ HPOINTER hptrWait; /* Handle to the system wait cursor */ HPOINTER hptrCurrent; /* Handle to the cursor in use */ ULONG cxSizeBorder = WinQuerySysValue(HWND_DESKTOP, SV_CXSIZEBORDER); ULONG cySizeBorder = WinQuerySysValue(HWND_DESKTOP, SV_CYSIZEBORDER); ULONG cyTitleBar = WinQuerySysValue(HWND_DESKTOP, SV_CYTITLEBAR); ULONG cyMenu = WinQuerySysValue(HWND_DESKTOP, SV_CYMENU); /* Set Frame window flags */ flCreate = FCF_STANDARD; /* Frame Control Flags */ success = WinRegisterClass( hab, /* Register Window class */ "MainWindow", MainWinProc, CS_SIZEREDRAW | CS_MOVENOTIFY, 0 ); if ( !success ) { DisplayMessage( "Could Not Register Class" ); exit( RETURN_ERROR ); } /* endif */ /* Create main frame window */ hwndFrame = WinCreateStdWindow( HWND_DESKTOP, /* Desktop window is parent */ 0, /* Invisible until resized */ &flCreate, "MainWindow", "", 0L, ( HMODULE )NULL, ID_MAINWND, &hwndClient ); /* Client Window Handle */ if ( !hwndFrame ) { DisplayMessage( "Could Not Create Main Window" ); exit( RETURN_ERROR ); } /* endif */ /* Make this window 1/4 of the standard 640x480 screen - this is close to the ideal ration for the video. Allow room for size borders, menu bar, and title bar */ WinSetWindowPos (hwndFrame, 0, 0, 0, 320 + 2 * cxSizeBorder, 240 + 2 * cySizeBorder + cyTitleBar + cyMenu, SWP_SIZE | SWP_SHOW); /* Use the frame window handle as the destination for MCI notify messages */ hwndNotify = hwndFrame; /* Set Frame window title text */ WinSetWindowText( hwndFrame, "Sample VIDPLAY" ); /* Obtain handle of system pointer (cursor) */ hptrOriginal = WinQueryPointer( HWND_DESKTOP ); /* Obtain handle of system wait pointer (cursor) */ hptrWait = WinQuerySysPointer( HWND_DESKTOP, SPTR_WAIT, FALSE ); WinSetPointer( HWND_DESKTOP, hptrWait ); hptrCurrent = hptrWait; /* Open the various MCI devices - OVERLAY, AMP/MIXER, Videodisc */ if (!OpenDevices ()) { /* Create the initial versions of the Standard Multimedia Controls */ CreateControls (); /* Use the Client area as the window in which video is to be displayed */ dwRC = UseAlternateWindow (wOverlayDevID, hwndClient); if (LOUSHORT(dwRC) != MCIERR_SUCCESS) { DisplayMessage ("Could not set Overlay to use Client window"); exit( RETURN_ERROR ); } WinSetPointer( HWND_DESKTOP, hptrOriginal ); /* Query transparency color to be used to paint client window * background to enable video display */ if (CheckTransparencyColor (wOverlayDevID, &TransColor)) { TransColor = CLR_PINK; } /* Cause client window background to be repainted */ WinInvalidateRect(hwndFrame, NULL, TRUE); } else { DisplayMessage ("Device(s) not available. Program terminating"); exit( RETURN_ERROR ); } return ( FALSE ); } /* End SetupMyMainWindow() */ /************** End of SetupMyMainWindow procedure ********************/ /************************************************************************ * Function : OpenDevices * * Description : * This function will attempt to open the overlay, amp/mixer and * videodisc player devices. * * If the overlay or amp/mixer devices cannot be opened, the * function will return with an error, and the program will * terminate. * * NOTE : Lack of videodisc is NOT considered an error, * since a live camera or other video source may be used. * Parameters : * None * * Returns : * 0 if ALL OK * > 0 if an error occurred ************************************************************************/ DWORD OpenDevices () { /* Open the M-MOTION OVERLAY device */ if (OpenDevice ((LPSTR)szOverlayDevName, (LPSTR)szOverlayAlias, &wOverlayDevID)) { DisplayMessage ("Overlay device not available!"); return (TRUE); } /* Open the M-MOTION AMP MIXER device */ if (OpenDevice ((LPSTR)szAmpMixDevName, (LPSTR)szAmpMixAlias, &wAmpMixDevID)) { DisplayMessage ("Amp/Mixer device not available!"); } /* Open the VIDEODISC PLAYER device */ if (OpenDevice ((LPSTR)szVdiscDevName, (LPSTR)szVdiscAlias, &wVdiscDevID)) { DisplayMessage ("Videodisc device not available!"); } return (FALSE); } /************************************************************************* * Name: CreateControls * * Description : * This function will create the dialogs (non-modal) that will * contain the Audio Attributes Control, Video Attributes Control * and Player Control. The respective dialog procs for each of the * dialogs will create a window for the actual control and attach * the control to the device. * * If the dialogs are created, each will be sized to the optimum * required for the multimedia control it contains. * * Concepts : * Creates a dialog to hold a Multimedia Control * * Parameters : * None * * Returns: * 0 if all OK * > 0 if error * ****************************************************************/ DWORD CreateControls (VOID) { /* Create the Audio Attributes Control Dialog (prefix AAC) */ if (wAmpMixDevID) { dwAACShape = MCS_MINIMAL; hwndAACDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pAACDlgProc, 0, ID_DLG_AAC, NULL); } else hwndAACDlg = 0; /* Create the Video Attributes Control Dialog (prefix VAC) */ dwVACShape = MCS_MINIMAL; hwndVACDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pVACDlgProc, 0, ID_DLG_VAC, NULL); if (wVdiscDevID) { /* Create the Player Control Dialog (prefix VPC) */ dwVPCShape = MCS_MINIMAL; hwndVPCDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pVPCDlgProc, 0, ID_DLG_VPC, NULL); } else hwndVPCDlg = 0; /* Were all the windows created? If not, then return an error */ if (!hwndVACDlg) return (TRUE); if (wAmpMixDevID && (!hwndAACDlg)) return (TRUE); if (wVdiscDevID && (!hwndVPCDlg)) return (TRUE); /* Optimize the sizes of the control dialogs */ if (hwndAACDlg) OptimizeControlDialogSize (hwndAACDlg, hwndAAC); if (hwndVACDlg) OptimizeControlDialogSize (hwndVACDlg, hwndVAC); if (hwndVPCDlg) OptimizeControlDialogSize (hwndVPCDlg, hwndVPC); return (FALSE); } /************************************************************************* * Name: MainWndProc * * Description : * Window procedure for the main clent window. * * Concepts : * Processes the messages sent to the main client * window. This routine processes the basic * messages all client windows should process and * passes all others onto UserWndProc where the * developer can process any others. * * Parameters : hwnd - Window handle to which message is addressed * msg - Message type * mp1 - First message parameter * mp2 - Second message parameter * * Returns: Return values are determined by each message * ****************************************************************/ MRESULT EXPENTRY MainWinProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ) { USHORT usCommand; /* WM_COMMAND command value */ char szTempElementName[256]; switch ( msg ) { case WM_CREATE: WinEnableMenuItem(hwndMenu, IDM_AUDIO, FALSE); break; case WM_INITMENU: WinEnableMenuItem((HWND)mp2, IDM_SAVE, fElement); WinEnableMenuItem((HWND)mp2, IDM_SAVEAS, fElement); WinEnableMenuItem((HWND)mp2, IDM_AUDIO, (BOOL)wAmpMixDevID); WinEnableMenuItem((HWND)mp2, IDM_AAC_MIN_SET, (BOOL)wAmpMixDevID); WinEnableMenuItem((HWND)mp2, IDM_AAC_COMP_SET, (BOOL)wAmpMixDevID); WinEnableMenuItem((HWND)mp2, IDM_PLAYER, (BOOL)wAmpMixDevID); WinEnableMenuItem((HWND)mp2, IDM_VPC_MIN_SET, (BOOL)wVdiscDevID); WinEnableMenuItem((HWND)mp2, IDM_VPC_COMP_SET, (BOOL)wVdiscDevID); WinEnableMenuItem((HWND)mp2, IDM_AUDIOSOURCE1, (BOOL)wAmpMixDevID); WinEnableMenuItem((HWND)mp2, IDM_AUDIOSOURCE2, (BOOL)wAmpMixDevID); WinEnableMenuItem((HWND)mp2, IDM_RESTORE, fElement); break; case WM_HELP: /* Display Help dialog when F1 is pressed */ WinDlgBox(HWND_DESKTOP, hwnd, VidplayHelpInfoDlgProc, (HMODULE) 0, ID_HELP_INFO_DLG, 0); break; /************************************************************/ /************************************************************/ /* Menu Item Selections */ /************************************************************/ /************************************************************/ case WM_COMMAND: usCommand = SHORT1FROMMP (mp1); // Extract the command value switch (usCommand) { /**************************************/ /**** FILE SUBMENU OPTIONS ****/ /**************************************/ case IDM_LOAD: /* Load a image from a file into the image element buffer */ if (!GetElementName (HWND_DESKTOP, (PSZ)"Load Element (name)", szTempElementName)) { fElement = FALSE; if (LoadElement (wOverlayDevID, szTempElementName)) DisplayMessage ("File requested could not be loaded"); else /* there is now an element to use for save/restore */ fElement = TRUE; } break; case IDM_SAVE: /* Save the current image element buffer to a file */ if (fElement) { if (SaveElement (wOverlayDevID, 0, 0)) DisplayMessage ("Image could not be saved"); } else DisplayMessage ("Perform a Load or Capture before saving"); break; case IDM_SAVEAS: /* Save the current image element buffer to a named file */ if (fElement) { if (!GetElementName (HWND_DESKTOP, (PSZ)"Save Element", szTempElementName)) { if (SaveElement (wOverlayDevID, MCI_SAVE_FILE, szTempElementName)) DisplayMessage ("Image could not be saved"); } } else DisplayMessage ("Perform a Load or Capture before saving"); break; case IDM_EXIT: WinPostMsg( hwnd, WM_CLOSE, NULL, NULL); break; /******************************************/ /**** CONTROLS SUBMENU OPTIONS ****/ /******************************************/ case IDM_AAC_MIN_SET: if (!wAmpMixDevID) { DisplayMessage ("No amp/mixer device available"); break; } /* Create a MINMAL Audio Attributes Control */ /* If it is already minimal, just show it */ if (hwndAACDlg && (dwAACShape & MCS_MINIMAL)) { WinSetWindowPos (hwndAACDlg, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); } else { if (hwndAACDlg) WinDestroyWindow(hwndAACDlg); dwAACShape = MCS_MINIMAL; hwndAACDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pAACDlgProc, 0, ID_DLG_AAC, NULL); OptimizeControlDialogSize (hwndAACDlg, hwndAAC); } break; case IDM_AAC_COMP_SET: if (!wAmpMixDevID) { DisplayMessage ("No amp/mixer device available"); break; } /* Create a COMPLETE Audio Attributes Control */ /* If it is already minimal, just show it */ if (hwndAACDlg && (dwAACShape & MCS_COMPLETE)) { WinSetWindowPos (hwndAACDlg, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); } else { if (hwndAACDlg) WinDestroyWindow(hwndAACDlg); dwAACShape = MCS_COMPLETE; hwndAACDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pAACDlgProc, 0, ID_DLG_AAC, NULL); OptimizeControlDialogSize (hwndAACDlg, hwndAAC); } break; case IDM_VAC_MIN_SET: /* Create a MINIMAL Video Attributes Control */ /* If it is already minimal, just show it */ if (hwndVACDlg && (dwVACShape & MCS_MINIMAL)) { WinSetWindowPos (hwndVACDlg, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); } else { if (hwndVACDlg) WinDestroyWindow(hwndVACDlg); dwVACShape = MCS_MINIMAL; hwndVACDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pVACDlgProc, 0, ID_DLG_VAC, NULL); OptimizeControlDialogSize (hwndVACDlg, hwndVAC); } break; case IDM_VAC_COMP_SET: /* Create a COMPLETE Video Attributes Control */ /* If it is already minimal, just show it */ if (hwndVACDlg && (dwVACShape & MCS_COMPLETE)) { WinSetWindowPos (hwndVACDlg, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); } else { if (hwndVACDlg) WinDestroyWindow(hwndVACDlg); dwVACShape = MCS_COMPLETE; hwndVACDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pVACDlgProc, 0, ID_DLG_VAC, NULL); OptimizeControlDialogSize (hwndVACDlg, hwndVAC); } break; case IDM_VPC_MIN_SET: if (!wVdiscDevID) { DisplayMessage ("No videodisc device available"); break; } /* Create a MINIMAL Video Player Control */ /* If it is already minimal, just show it */ if (hwndVPCDlg && (dwVPCShape & MCS_MINIMAL)) { WinSetWindowPos (hwndVPCDlg, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); } else { if (hwndVPCDlg) WinDestroyWindow(hwndVPCDlg); dwVPCShape = MCS_MINIMAL; hwndVPCDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pVPCDlgProc, 0, ID_DLG_VPC, NULL); OptimizeControlDialogSize (hwndVPCDlg, hwndVPC); } break; case IDM_VPC_COMP_SET: if (!wVdiscDevID) { DisplayMessage ("No videodisc device available"); break; } /* Create a COMPLETE Video Player Control */ /* If it is already minimal, just show it */ if (hwndVPCDlg && (dwVPCShape & MCS_COMPLETE)) { WinSetWindowPos (hwndVPCDlg, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); } else { if (hwndVPCDlg) WinDestroyWindow(hwndVPCDlg); dwVPCShape = MCS_COMPLETE; hwndVPCDlg = WinLoadDlg(HWND_DESKTOP, hwndClient, pVPCDlgProc, 0, ID_DLG_VPC, NULL); OptimizeControlDialogSize (hwndVPCDlg, hwndVPC); } break; case IDM_SHOWALL: /* SHOW ALL THE CONTROL DIALOGS */ if (hwndAACDlg) WinShowWindow (hwndAACDlg, TRUE); if (hwndVACDlg) WinShowWindow (hwndVACDlg, TRUE); if (hwndVPCDlg) WinShowWindow (hwndVPCDlg, TRUE); break; case IDM_SHOWAAC: if (hwndAACDlg) WinShowWindow (hwndAACDlg, TRUE); break; case IDM_SHOWVAC: if (hwndVACDlg) WinShowWindow (hwndVACDlg, TRUE); break; case IDM_SHOWVPC: if (hwndVPCDlg) WinShowWindow (hwndVPCDlg, TRUE); break; case IDM_HIDEALL: /* HIDE ALL THE CONTROL DIALOGS */ if (hwndAACDlg) WinShowWindow (hwndAACDlg, FALSE); if (hwndVACDlg) WinShowWindow (hwndVACDlg, FALSE); if (hwndVPCDlg) WinShowWindow (hwndVPCDlg, FALSE); break; case IDM_HIDEAAC: if (hwndAACDlg) WinShowWindow (hwndAACDlg, FALSE); break; case IDM_HIDEVAC: if (hwndVACDlg) WinShowWindow (hwndVACDlg, FALSE); break; case IDM_HIDEVPC: if (hwndVPCDlg) WinShowWindow (hwndVPCDlg, FALSE); break; /****************************************/ /**** SOURCE SUBMENU OPTIONS ****/ /****************************************/ case IDM_AUDIOSOURCE1: if (SelectSource (wAmpMixDevID, 2, MCI_LINE_IN_CONNECTOR, MCI_DISABLE_CONNECTOR)) DisplayMessage ("Could not change the audio source"); if (SelectSource (wAmpMixDevID, 1, MCI_LINE_IN_CONNECTOR, MCI_ENABLE_CONNECTOR)) DisplayMessage ("Could not change the audio source"); break; case IDM_AUDIOSOURCE2: if (SelectSource (wAmpMixDevID, 1, MCI_LINE_IN_CONNECTOR, MCI_DISABLE_CONNECTOR)) DisplayMessage ("Could not change the audio source"); if (SelectSource (wAmpMixDevID, 2, MCI_LINE_IN_CONNECTOR, MCI_ENABLE_CONNECTOR)) DisplayMessage ("Could not change the audio source"); break; case IDM_VIDEOSOURCE1: if (SelectSource (wOverlayDevID, 1, MCI_VIDEO_IN_CONNECTOR, MCI_ENABLE_CONNECTOR)) DisplayMessage ("Could not change the video source"); break; case IDM_VIDEOSOURCE2: if (SelectSource (wOverlayDevID, 2, MCI_VIDEO_IN_CONNECTOR, MCI_ENABLE_CONNECTOR)) DisplayMessage ("Could not change the video source"); break; case IDM_VIDEOSOURCE3: if (SelectSource (wOverlayDevID, 3, MCI_VIDEO_IN_CONNECTOR, MCI_ENABLE_CONNECTOR)) DisplayMessage ("Could not change the video source"); break; /***************************************/ /**** IMAGE SUBMENU OPTIONS ****/ /***************************************/ case IDM_CAPTURE: /* Capture the ENTIRE area of the video window to the image element buffer */ if (!Capture (wOverlayDevID, 0, 0, 0, 0, 0)) /* there is now an element to use for save/restore */ fElement = TRUE; break; case IDM_RESTORE: /* Restore the current image element buffer to the video window */ if (fElement) Restore (wOverlayDevID, 0, 0, 0, 0, 0); break; case IDM_UNFREEZE: CheckUnFreeze (wOverlayDevID, 0, 0, 0, 0, 0); break; /**************************************/ /**** HELP SUBMENU OPTIONS ****/ /**************************************/ case IDM_HELPITEM: WinDlgBox(HWND_DESKTOP, hwnd, VidplayHelpInfoDlgProc, (HMODULE) 0, ID_HELP_INFO_DLG, 0); break; case IDM_ABOUT: WinDlgBox( HWND_DESKTOP, HWND_DESKTOP, ( PFNWP )ProdInfoDlgProc, ( HMODULE ) 0, ID_DLG_PRODINFO, NULL ); break; //================================================================ // MCI Device Activation/Acquisition Messages //================================================================ default: return WinDefWindowProc( hwnd, msg, mp1, mp2 ); } break; case MM_MCIPASSDEVICE: { USHORT usPassCommand; // WM_COMMAND command value WORD wDevID; wDevID = SHORT1FROMMP (mp1); usPassCommand = SHORT1FROMMP (mp2); if (wDevID == wOverlayDevID) fOverlayAcquired = usPassCommand == MCI_GAINING_USE; if (wDevID == wVdiscDevID) fVdiscAcquired = usPassCommand == MCI_GAINING_USE; if (wDevID == wAmpMixDevID) fAmpMixAcquired = usPassCommand == MCI_GAINING_USE; // If one device is acquired, be sure that the other two are // acquired, too. if (usPassCommand == MCI_GAINING_USE) { // Overlay. if (wOverlayDevID && !fOverlayAcquired) AcquireDevice(wOverlayDevID, 0); // AmpMixer if (wAmpMixDevID && !fAmpMixAcquired) AcquireDevice(wAmpMixDevID, 0); // Videodisc player if (wVdiscDevID && !fVdiscAcquired) AcquireDevice(wVdiscDevID, 0); } /* Include the following code if you wish to track the various */ /* device activations being lost to or gained from other instances */ #ifdef IFDESIRED switch (usPassCommand) { case MCI_LOSING_USE: DisplayMessage ("PASSDEVICE Losing Use"); break; case MCI_GAINING_USE: DisplayMessage ("PASSDEVICE Gaining Use"); break; default: DisplayMessage ("MM_MCIPASSDEVICE - unknown event"); break; } #endif } break; /****************************************/ /**** Image File DragDrop Processing ****/ /****************************************/ case DM_DRAGOVER: /* Determine if this object type is a FILE */ { DRAGITEM Dragitem; /* Obtain access to the shared-memory area that describes the object being DRAGGED. It has not yet been dropped */ if (!DrgAccessDraginfo ((PDRAGINFO) mp1)) return ((MRESULT)MPFROM2SHORT (DOR_NEVERDROP, DO_UNKNOWN)); /* Obtain the first item in the list of items dragged */ if (DrgQueryDragitem ((PDRAGINFO) mp1, sizeof (DRAGITEM), &Dragitem, 0)) { /* Check if the object is an OS/2 FILE. That is the ONLY valid object type to drag onto VIDPLAY */ if (!DrgVerifyRMF (&Dragitem, "DRM_OS2FILE", "")) { /* This IS an OS/2 file, so allow the drop */ DrgFreeDraginfo ((PDRAGINFO) mp1); return ((MRESULT)MPFROM2SHORT (DOR_DROP, DO_UNKNOWN)); } } DrgFreeDraginfo ((PDRAGINFO) mp1); return ((MRESULT)MPFROM2SHORT (DOR_NEVERDROP, DO_UNKNOWN)); } case DM_DROP: /* When dropped, get info about the object */ { DRAGITEM Dragitem; CHAR szFileNameStr[256]; CHAR szContainerNameStr[256]; WORD wError = FALSE; /* Obtain the shared-memory memory describin the dropped object */ if (!DrgAccessDraginfo ((PDRAGINFO) mp1)) return (0); /* Obtain the first item in the list of items dragged */ if (DrgQueryDragitem ((PDRAGINFO) mp1, sizeof (DRAGITEM), &Dragitem, 0)) { /* Obtain the container name - this SHOULD be the drive/dir */ if (DrgQueryStrName (Dragitem.hstrContainerName, sizeof (szContainerNameStr), szContainerNameStr)) strcpy (szTempElementName, szContainerNameStr); else { DisplayMessage ("No path name for dragged object"); wError = TRUE; } /* Obtain the source name - this SHOULD be the file name */ if (DrgQueryStrName (Dragitem.hstrSourceName, sizeof (szFileNameStr), szFileNameStr)) strcat (szTempElementName, szFileNameStr); else { DisplayMessage ("No file name for dragged object"); wError = TRUE; } } else { DisplayMessage ("No Drag item identified"); wError = TRUE; } DrgFreeDraginfo ((PDRAGINFO) mp1); if (wError) return (0); /************************************************************/ /* If all is OK so far, attempt to load the file. The load */ /* process will validate the file - it just won't load if */ /* it is not a support image format */ /************************************************************/ fElement = FALSE; if (LoadElement (wOverlayDevID, szTempElementName)) DisplayMessage ("File requested could not be loaded"); else { /* If the load was successful, then restore it to the screen */ fElement = TRUE; Restore (wOverlayDevID, 0, 0, 0, 0, 0); } return; } /******************************************/ /**** Screen Control/Painting Messages ****/ /******************************************/ case WM_ERASEBACKGROUND: // Paint the window background in the transparency color, if set if (TransColor) { WinFillRect((HPS)mp1, (PRECTL)mp2, TransColor); return (MRESULT)FALSE; } else // No transparency color set. Tell PM to paint the background return (MRESULT)TRUE; break; case WM_PAINT: { HPS hps; /* Presentation space handle */ RECTL rc; /* Window rectangle */ hps = WinBeginPaint( hwnd, (HPS)NULL, &rc ); WinEndPaint( hps ); /* Drawing is complete */ } break; case WM_CLOSE: /* Close the Controls */ if (hwndAACDlg) WinDestroyWindow(hwndAACDlg); if (hwndVACDlg) WinDestroyWindow(hwndVACDlg); if (hwndVPCDlg) WinDestroyWindow(hwndVPCDlg); /* Close the Devices */ if (wAmpMixDevID) CloseDevice (wAmpMixDevID); if (wVdiscDevID) CloseDevice (wVdiscDevID); WinDestroyWindow(hwnd); // Avoid painting pink background on exit if (wOverlayDevID) CloseDevice (wOverlayDevID); WinPostMsg( hwndFrame, WM_QUIT, NULL, NULL); /* Cause termination */ break; default: /* Must have WinDefWindowProc in your window procedure */ return WinDefWindowProc( hwnd, msg, mp1, mp2 ); } return (MRESULT) FALSE; } /*********************** End of MainWndProc *************************/ /********************************************************************* * Function : OptimizeControlDialogSize * * Description : This function will change the size of the dialog * containing the multimedia control to be the optimal * size for the control. * * Parameters : * hwndControlDlg (INPUT) : Dialog (to be resized) holding the control * hwndControl (INPUT) : The control around which the dialog appears. * * Return Code : * None *********************************************************************/ VOID OptimizeControlDialogSize (HWND hwndControlDlg, HWND hwndControl) { SWP swp; SWP swpDlg; WinQueryWindowPos(hwndControl, &swp); WinQueryWindowPos(hwndControlDlg, &swpDlg); // Horizontal size - // Control offset is used as a margin (2x) plus the width of the control // plus the width of the borders around the dialog swpDlg.cx = 2 * (swp.x-1) + swp.cx + 2 * WinQuerySysValue(HWND_DESKTOP, SV_CXBORDER); // Vertical size - // Control offset is used as a margin (2x) plus the height of the control // plus the height of the border around the dialog, plus the height of // the dialog title bar swpDlg.cy = 2 * (swp.y-1) + swp.cy + 2 * WinQuerySysValue(HWND_DESKTOP, SV_CYBORDER) + WinQuerySysValue(HWND_DESKTOP, SV_CYTITLEBAR); WinSetWindowPos(hwndControlDlg, (HWND)0, 0, 0, swpDlg.cx, swpDlg.cy, SWP_SIZE | SWP_SHOW); } /********************************************************************* * Name : ProdInfoDlgProc * * Description : Processes all messages sent to the Product * Information dialog box. * * Concepts : Called for each message sent to the Product * Information dialog box. The Product * Information box only has a button control so * this routine only processes WM_COMMAND * messages. Any WM_COMMAND posted must have come * from the Ok button so we dismiss the dialog * upon receiving it. * * Parameters : hwnd - Window handle to which message is addressed * msg - Message type * mp1 - First message parameter * mp2 - Second message parameter * * Returns : Dependent upon message sent * ****************************************************************/ MRESULT EXPENTRY ProdInfoDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) { switch(msg) { case WM_INITDLG: break; case WM_COMMAND: /* No matter what the command, close the dialog */ WinDismissDlg(hwnd, TRUE); break; default: return(WinDefDlgProc(hwnd, msg, mp1, mp2)); } return (MRESULT)0; } /********************** End of ProdInfoDlgProc *********************/ /**************************************************************** * Name: VidplayHelpInfoDlgProc * * Description : This dialog procedure handles the dialog help * window for VIDPLAY. It displays a window with * a list box where the help information text is * displayed. The list box is scrollable. The dialog * box has a system menu only. Thus, the user must * close it from the system menu. * * Concepts : List Box with help information. * * Parameters : hwnd - Window handle to which message is addressed * msg - Message type * mp1 - First message parameter * mp2 - Second message parameter * * Returns: Return values are determined by each message * ****************************************************************/ MRESULT EXPENTRY VidplayHelpInfoDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ) { int count; COLOR TransColor = CLR_PALEGRAY; /* Window Color */ CHAR szTempStr[100]; switch ( msg ) { case WM_INITDLG: /* Create help dialog and insert the lines of text */ for ( count=0 ; count MCIERR_BASE) { CHAR caErrString[128]; memset(caErrString, '\0', sizeof(caErrString)); mciGetErrorString((DWORD) HIUSHORT(mp2), (LPSTR) caErrString, (WORD) sizeof(caErrString) ); DisplayMessage (caErrString); } else DisplayMessage ("Some other error"); break; } /* endswitch */ } break; #endif case WM_INITDLG: { /* Create an Audio Attributes Control */ hwndAAC = WinCreateWindow (hwndDlg, WC_AUDIOCTL, "", WS_VISIBLE | MCS_VERTICAL | dwAACShape, X_MMCTL, Y_MMCTL, 200, 100, hwndDlg, HWND_TOP, ID_AAC_WND, NULL, NULL); /* if the control was created, attach it to the Amp/Mixer device */ if (hwndAAC) { if (!WinSendMsg (hwndAAC, MCM_SETDEVICEALIAS, szAmpMixAlias, 0)) DisplayMessage ("Cannot attach audio attributes control to ampmixer device"); } else DisplayMessage ("Cannot create Audio Attributes Control"); } break; case WM_ACTIVATE: /* ensure that we have acquired the device whenever this window is accessed by the user */ AcquireDevice (wAmpMixDevID, 0); return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); case WM_DESTROY: hwndAACDlg = 0; return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); default: /******************************************************************/ /* Any event messages that the dialog procedure has not processed */ /* come here and are processed by WinDefDlgProc. */ /* This call MUST exist in your dialog procedure. */ /******************************************************************/ return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); } return (MRESULT) FALSE; } /**************************************************************** * Name: pVACDlgProc * * Description : * Places a Video Attributes Control on the dialog, and attaches the * Video Attributes Control to the Overlay device previously opened. * * Parameters : * Standard Dialog Proc parameters * * Returns: * Standard Dialog Proc return codes * ****************************************************************/ MRESULT EXPENTRY pVACDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ) { switch ( msg ) { /********************************************************************* * The following code is optional, and illustrates the processing of * * WM_CONTROL messages for the Audio Attributes Control * *********************************************************************/ #ifdef OPTIONAL case WM_CONTROL: /* A child-control on the MM Control was manipulated */ if (LOUSHORT (mp1) == ID_VAC_WND) { switch (HIUSHORT (mp1)) { case ID_BRIGHTNESS: DisplayMessage ("Brightness dial used"); break; case ID_HUE: case ID_CONTRAST: // And others... break; case MCN_ERROR: switch (LOUSHORT (mp2)) { case ID_BRIGHTNESS: DisplayMessage ("Brightness dial error"); break; } /* Display error from MMPM driver */ if (HIUSHORT (mp2) > MCIERR_BASE) { CHAR caErrString[128]; memset(caErrString, '\0', sizeof(caErrString)); mciGetErrorString((DWORD) HIUSHORT(mp2), (LPSTR) caErrString, (WORD) sizeof(caErrString) ); DisplayMessage (caErrString); } else DisplayMessage ("Some other error"); break; } /* endswitch */ } break; #endif case WM_INITDLG: { /* Create a Video Attributes Control */ hwndVAC = WinCreateWindow (hwndDlg, WC_VIDEOCTL, "", WS_VISIBLE | MCS_VERTICAL | dwVACShape, X_MMCTL, Y_MMCTL, 200, 100, hwndDlg, HWND_TOP, ID_VAC_WND, NULL, NULL); /* if the control was created, attach it to the Overlay device */ if (hwndVAC) { if (!WinSendMsg (hwndVAC, MCM_SETDEVICEALIAS, szOverlayAlias, 0)) DisplayMessage ("Cannot attach video attributes control to overlay device"); } else DisplayMessage ("Cannot create Video Attributes Control"); } break; case WM_ACTIVATE: /* ensure that we have acquired the device whenever this window is accessed by the user */ if (!fOverlayAcquired) { WinSetWindowPos (hwndFrame, HWND_TOP, 0, 0, 0, 0, SWP_ZORDER | SWP_SHOW); AcquireDevice (wOverlayDevID, 0); } return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); case WM_DESTROY: hwndVACDlg = 0; return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); default: /******************************************************************/ /* Any event messages that the dialog procedure has not processed */ /* come here and are processed by WinDefDlgProc. */ /* This call MUST exist in your dialog procedure. */ /******************************************************************/ return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); } return (MRESULT) FALSE; } /**************************************************************** * Name: pVPCDlgProc * * Description : * Places a Player Control on the dialog, and attaches the Player * Control to the videodisc player device previously opened. * * Parameters : * Standard Dialog Proc parameters * * Returns: * Standard Dialog Proc return codes * ****************************************************************/ MRESULT EXPENTRY pVPCDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ) { switch ( msg ) { /********************************************************************* * The following code is optional, and illustrates the processing of * * WM_CONTROL messages for the Player Control. * *********************************************************************/ #ifdef OPTIONAL case WM_CONTROL: /* A child-control on the MM Control was manipulated */ if (LOUSHORT (mp1) == ID_VPC_WND) { switch (HIUSHORT (mp1)) { case ID_PLAY: DisplayMessage ("Play button pressed"); break; case ID_PLAYB: case ID_SCANB: case ID_SCANF: // And others... break; case MCN_ERROR: switch (LOUSHORT (mp2)) { case ID_PLAY: DisplayMessage ("Play button error"); break; } /* Display error from MMPM driver */ if (HIUSHORT (mp2) > MCIERR_BASE) { CHAR caErrString[128]; memset(caErrString, '\0', sizeof(caErrString)); mciGetErrorString((DWORD) HIUSHORT(mp2), (LPSTR) caErrString, (WORD) sizeof(caErrString) ); DisplayMessage (caErrString); } else DisplayMessage ("Some other error"); break; } /* endswitch */ } /* An error occurred in MM Control processing */ break; #endif case WM_INITDLG: { /* Create a Player Control */ hwndVPC = WinCreateWindow (hwndDlg, WC_PLAYERCTL, "", WS_VISIBLE | dwVPCShape, X_MMCTL, Y_MMCTL, 200, 100, hwndDlg, HWND_TOP, ID_VPC_WND, NULL, NULL); /* if the control was created, attach it to the Videodisc device */ if (hwndVPC) { if (!WinSendMsg (hwndVPC, MCM_SETDEVICEALIAS, szVdiscAlias, 0)) DisplayMessage ("Cannot attach videodisc control to player"); } else DisplayMessage ("Cannot create Videodisc Control"); } break; case WM_ACTIVATE: /* ensure that we have acquired the device whenever this window is accessed by the user */ AcquireDevice (wVdiscDevID, 0); return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); case WM_DESTROY: hwndVPCDlg = 0; return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); default: /******************************************************************/ /* Any event messages that the dialog procedure has not processed */ /* come here and are processed by WinDefDlgProc. */ /* This call MUST exist in your dialog procedure. */ /******************************************************************/ return WinDefDlgProc( hwndDlg, msg, mp1, mp2 ); } return (MRESULT) FALSE; } /******************** End of VidplayHelpUnfoDlgProc **********************/ /*********************************************************************/ /*********************************************************************/ /*************** Miscellaneous Support Functions ***************/ /*********************************************************************/ /*********************************************************************/ /**************************************************************** * Function : GetElementName * * Description : * This function will display the Standard File Dialog * to the user, by which the user can select a file name. * This file name will be returned to the calling function. * * This function is used for both the Load and SaveAs * menu selection. * * Concepts : * Normal PM programming using the Standard File Dialog * * Parameters : * hwnd : Name of the parent/owner for the dialog being created * pszTitle (input) : String title to be displayed - * different for Load, Save, etc * pszElementName (output) : File selected by the user * * Returns : * ****************************************************************/ DWORD GetElementName (HWND hwnd, PSZ pszTitle, PSZ pszElementName) { FILEDLG pfdFiledlg; /* File dialog info structure */ char pszFullFile[CCHMAXPATH] = "*.*";/* File filter string */ HWND hwndDlg; /* File dialog window */ /*****************************************************************/ /* Initially set all fields to 0 */ /*****************************************************************/ memset(&pfdFiledlg, 0, sizeof(FILEDLG)); /*****************************************************************/ /* Initialize those fields in the FILEDLG structure that are */ /* used by the application */ /*****************************************************************/ pfdFiledlg.cbSize = sizeof(FILEDLG); /* Size of structure */ pfdFiledlg.fl = FDS_HELPBUTTON | FDS_CENTER | FDS_OPEN_DIALOG; /* FDS_* flags */ pfdFiledlg.pszTitle = pszTitle; /* Dialog title string */ strcpy(pfdFiledlg.szFullFile, pszFullFile); /* Initial path, */ /* file name, or */ /* file filter */ /*****************************************************************/ /* Display the dialog and get the file */ /*****************************************************************/ hwndDlg = WinFileDlg(HWND_DESKTOP, hwnd, &pfdFiledlg); if (hwndDlg && (pfdFiledlg.lReturn == DID_OK)) { /**************************************************************/ /* Upon successful return of a file, open it for reading and */ /* further processing */ /**************************************************************/ if (pszElementName) strcpy (pszElementName, pfdFiledlg.szFullFile); return (FALSE); } return (TRUE); } /**************************************************************** * Name: DisplayMessage * * Description : * Displays a message box containing an error/information * message each time called. * * Parameters : str - error message to display * * Returns: Void * ****************************************************************/ VOID DisplayMessage(PCH str) { /********************************************************************/ /* This routine calls WinMessageBox to dsplay error messages to the */ /* user. */ /********************************************************************/ WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, (PCH) str, (PCH) "MessageBox For the VIDPLAY Sample", ID_MESSAGEBOX, MB_OK | MB_APPLMODAL | MB_MOVEABLE ); } /******************* End of DisplayMessage procedure ********************/ /**********************************************************************/ /**********************************************************************/ /**********************************************************************/ /* MCI Calls Section */ /**********************************************************************/ /**********************************************************************/ /**********************************************************************/ /********************************************************************** * Function : OpenDevice * * Description : * Instructs MMPM to attempt to connect this application to the * desired device. If successful, the device will allocate * resources and perform other initialization functions. * * Parameters : * lpstrDevName (input) : MMPM install name of the device, such * as videodisc, overlay, etc. * lpstrDevAlias (input): string name by which the device can also * be controlled. This can be anything the * application desires. It is required if * the multimedia controls are to be used. * pwDeviceID (output) : MMPM ID of the device opened, if successful * * Returns : * 0 if all OK * > 0 if error * **********************************************************************/ DWORD OpenDevice (LPSTR lpstrDevName, LPSTR lpstrDevAlias, WORD *pwDeviceID) { MCI_VID_OPEN_PARMS mciOpenParms; WORD wUserParm = 0; DWORD dwReturn; mciOpenParms.dwCallback = (DWORD)hwndNotify; mciOpenParms.wDeviceID = 0; mciOpenParms.lpstrDeviceType = lpstrDevName; mciOpenParms.lpstrElementName = 0; mciOpenParms.lpstrAlias = lpstrDevAlias; mciOpenParms.hwndParent = 0; dwReturn = mciSendCommand(0, MCI_OPEN, MCI_WAIT | MCI_OPEN_SHAREABLE | MCI_OPEN_ALIAS, (DWORD)&mciOpenParms, wUserParm); if (LOUSHORT(dwReturn) == MCIERR_SUCCESS) { *pwDeviceID = mciOpenParms.wDeviceID; return (FALSE); } return (TRUE); } /********************************************************************** * Function : CloseDevice * * Description : * Instructs the device to shut down, release all resources, and * for MMPM to disconnect this application from the device. * * Parameters : * wDeviceID (input) : the device to be closed * * Returns : * 0 if all OK * > 0 if error * ***********************************************************************/ DWORD CloseDevice (WORD wDeviceID) { MCI_GENERIC_PARMS mciGenericParms; WORD wUserParm = 0; DWORD dwReturn; mciGenericParms.dwCallback = (DWORD)hwndNotify; dwReturn = mciSendCommand(wDeviceID, MCI_CLOSE, MCI_WAIT, (DWORD)&mciGenericParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /********************************************************************** * Function : AcquireDevice * * Description : * Instructs MMPM to acquire this device for use. It may have * been lost to some other application. No device operations * can be performed until the device control is re-acquired. * * Parameters : * wDeviceID (input) : the device to acquire * dwExclusive (input) : indicates if the device is to be * acquired shareable or exclusively. * * Returns : * 0 if all OK * > 0 if error **********************************************************************/ DWORD AcquireDevice (WORD wDeviceID, DWORD dwExclusive) { MCI_GENERIC_PARMS mciGenericParms; WORD wUserParm = 0; DWORD dwReturn; mciGenericParms.dwCallback = (DWORD)hwndNotify; dwReturn = mciSendCommand(wDeviceID, MCI_ACQUIREDEVICE, MCI_WAIT | dwExclusive, (DWORD)&mciGenericParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } #ifdef IFNEEDED /********************************************************************** * Function : ReleaseDevice * * Description : * Instructs * * Parameters : * * Returns : * 0 if all OK * > 0 if error * **********************************************************************/ DWORD ReleaseDevice (WORD wDeviceID) { MCI_GENERIC_PARMS mciGenericParms; WORD wUserParm = 0; DWORD dwReturn; mciGenericParms.dwCallback = (DWORD)hwndNotify; dwReturn = mciSendCommand(wDeviceID, MCI_RELEASEDEVICE, MCI_WAIT, (DWORD)&mciGenericParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } #endif /********************************************************************** * Function : LoadElement * * Description : * Instructs the overlay device to attempt to load the file * specified into the image element buffer. This image will * be loaded offscreen. It can then be saved or restored to * the screen. * * Parameters : * wDeviceID (input) : the Overlay device * pszName (input) : Name of file to load * * Returns : * 0 if all OK * > 0 if error **********************************************************************/ DWORD LoadElement (WORD wDeviceID, PSZ pszName) { MCI_LOAD_PARMS mciLoadParms; WORD wUserParm = 0; DWORD dwReturn; mciLoadParms.dwCallback = (DWORD)hwndNotify; mciLoadParms.lpstrElementName = (LPSTR)pszName; dwReturn = mciSendCommand(wDeviceID, MCI_LOAD, MCI_WAIT | MCI_OPEN_ELEMENT, (DWORD)&mciLoadParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /********************************************************************** * Function : SaveElement * * Description : * Instructs the overlay device to save the current image element * buffer to a file. A specific file can be indicated. If no * specific file is indicated, the save will use the last file * saved or loaded. * * Parameters : * wDeviceID (input) : the Overlay device * dwFlag (input) : 0 or MCI_SAVE_FILE * pszName (input) : Name to use if MCI_SAVE_FILE is specified * * Returns : * 0 if all OK * > 0 if error * **********************************************************************/ DWORD SaveElement (WORD wDeviceID, DWORD dwFlag, PSZ pszName) { MCI_SAVE_PARMS mciSaveParms; WORD wUserParm = 0; DWORD dwReturn; mciSaveParms.dwCallback = (DWORD)hwndNotify; if (dwFlag & MCI_SAVE_FILE) mciSaveParms.lpFileName = (DWORD)pszName; else mciSaveParms.lpFileName = (DWORD)0; dwReturn = mciSendCommand(wDeviceID, MCI_SAVE, MCI_WAIT | dwFlag, (DWORD)&mciSaveParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /********************************************************************** * Function : Capture * * Description : * This function will instruct the overlay device to capture the * video in the video window to the image element buffer. * It will capture only that video in the sub-rectangle if requested, * * Parameters : * wDeviceID (input) : the Overlay device * dwFlag (input) : 0 or MCI_CAPTURE_RECT * dwX1, dwY1, * dwX2, dwY2 (input) : Sub-rectangle from which image is to be * captured if MCI_CAPTURE_RECT is specified * * * Returns : * 0 if all OK * > 0 if error **********************************************************************/ DWORD Capture (WORD wDeviceID, DWORD dwFlag, DWORD dwX1, DWORD dwY1, DWORD dwX2, DWORD dwY2) { MCI_CAPTURE_PARMS mciCaptureParms; WORD wUserParm = 0; DWORD dwReturn; memset (&mciCaptureParms, 0x00, sizeof (MCI_CAPTURE_PARMS)); mciCaptureParms.dwCallback = (DWORD)hwndNotify; mciCaptureParms.rect.xLeft = dwX1; mciCaptureParms.rect.yBottom = dwY1; mciCaptureParms.rect.xRight = dwX2; mciCaptureParms.rect.yTop = dwY2; dwReturn = mciSendCommand(wDeviceID, MCI_CAPTURE, MCI_WAIT | dwFlag, (DWORD)&mciCaptureParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /********************************************************************** * Function : Restore * * Description : * This function will instruct the overlay device to restore the * current image element to the video window. It will place the * image in the sub-rectangle if requested, where the lower-left * corner of the image appears in the lower-left corner of the * sub-rectangle. * * Parameters : * wDeviceID (input) : the Overlay device * dwFlag (input) : 0 or MCI_RESTORE_DEST_RECT * dwX1, dwY1, * dwX2, dwY2 (input) : Sub-rectangle in which image is to be * restored if MCI_RESTORE_DEST_RECT is * specified. * * Returns : * 0 if all OK * > 0 if error ***********************************************************************/ DWORD Restore (WORD wDeviceID, DWORD dwFlag, DWORD dwX1, DWORD dwY1, DWORD dwX2, DWORD dwY2) { MCI_RESTORE_PARMS mciRestoreParms; WORD wUserParm = 0; DWORD dwReturn; memset (&mciRestoreParms, 0x00, sizeof (MCI_RESTORE_PARMS)); mciRestoreParms.dwCallback = (DWORD)hwndNotify; mciRestoreParms.DestRect.xLeft = dwX1; mciRestoreParms.DestRect.yBottom = dwY1; mciRestoreParms.DestRect.xRight = dwX2; mciRestoreParms.DestRect.yTop = dwY2; dwReturn = mciSendCommand(wDeviceID, MCI_RESTORE, MCI_WAIT | dwFlag, (DWORD)&mciRestoreParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /********************************************************************** * Function : CheckUnFreeze * * Description: * Instructs the overlay device to unfreeze the entire window. * This is necessary after a restore operation, which freezes * the window so that the image will not be replaced by video. * * Parameters: * wDeviceID (input) : the Overlay device * dwFlag (input) * Freeze flags - indicating rectangle or freeze outside * dwX1, dwY1, dwX2, dwY2 (input) * Rectangle corners, if partial freeze was used * * Return Code: * 0 if all OK * > 0 if error **********************************************************************/ DWORD CheckUnFreeze (WORD wDeviceID, DWORD dwFlag, DWORD dwX1, DWORD dwY1, DWORD dwX2, DWORD dwY2) { MCI_VID_RECT_PARMS mciUnFreezeParms; WORD wUserParm = 0; DWORD dwReturn; memset (&mciUnFreezeParms, 0x00, sizeof (MCI_VID_RECT_PARMS)); mciUnFreezeParms.dwCallback = (DWORD)hwndNotify; mciUnFreezeParms.rc.xLeft = dwX1; mciUnFreezeParms.rc.yBottom = dwY1; mciUnFreezeParms.rc.xRight = dwX2; mciUnFreezeParms.rc.yTop = dwY2; dwReturn = mciSendCommand(wDeviceID, MCI_UNFREEZE, dwInformType | dwFlag, (DWORD)&mciUnFreezeParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /************************************************************************ * Function : UseAlternateWindow * * Description : * Assigns an application window to be used as the video * window by an Overlay device. * * Parameters : * wDeviceID (input) : the Overlay device * hwndAlternate (input) : the window in which video is to be displayed * * Returns : * 0 if all OK * > 0 if error ************************************************************************/ DWORD UseAlternateWindow (WORD wDeviceID, HWND hwndAlternate) { WORD wUserParm = 0; DWORD dwReturn; MCI_VID_WINDOW_PARMS mciWindowParms; memset (&mciWindowParms, 0x00, sizeof (MCI_VID_WINDOW_PARMS)); mciWindowParms.dwCallback = (DWORD)0; mciWindowParms.hwndDest = hwndAlternate; dwReturn = mciSendCommand(wDeviceID, MCI_WINDOW, MCI_WAIT | MCI_OVLY_WINDOW_HWND, (DWORD)&mciWindowParms, wUserParm); return (dwReturn); } /************************************************************************ * Function : CheckTransparencyColor * * Description : * This function will query the overlay device to obtain * the transparency color used by the device. Video will * display through all pels in the video window that are * the transparency color. * * Parameters : * wDeviceID (input) : the Overlay device * TransColor (output) : the transparency color used by the device * * Returns : * 0 if all OK * > 0 if error ************************************************************************/ DWORD CheckTransparencyColor (WORD wDeviceID, COLOR *TransColor) { WORD wUserParm = 0; DWORD dwReturn; MCI_STATUS_PARMS mciStatusParms; memset (&mciStatusParms, 0x00, sizeof (MCI_STATUS_PARMS)); mciStatusParms.dwCallback = (DWORD)hwndNotify; mciStatusParms.dwItem = (DWORD)MCI_OVLY_STATUS_TRANSPARENT_COLOR; dwReturn = mciSendCommand(wDeviceID, MCI_STATUS, dwInformType | MCI_STATUS_ITEM, (DWORD)&mciStatusParms, wUserParm); if (LOUSHORT(dwReturn) == MCIERR_SUCCESS) { *TransColor = (COLOR)mciStatusParms.dwReturn; return (MCIERR_SUCCESS); } return (TRUE); } /********************************************************************** * Function : SelectSource * * Description : * Instructs the device to uses the specified source for input, * whether this is audio on the Amp/Mixer or video on the Overlay * device. * * Parameters : * wDeviceID (input) : the Overlay or Amp/Mixer device * dwSourceNum (input) : the number of the source to be used. * dwSourceType (input) : the type of source * MCI_VIDEO_IN_CONNECTOR for video * MCI_LINE_IN_CONNECTOR for audio * dwSetting (input) : MCI_ENABLE_CONNECTOR or MCI_DISABLE_CONNECTOR * * Returns : * 0 if all OK * > 0 if error * **********************************************************************/ DWORD SelectSource (WORD wDeviceID, DWORD dwSourceNum, DWORD dwSourceType, DWORD dwSetting) { MCI_CONNECTOR_PARMS mciConnectorParms; WORD wUserParm = 0; DWORD dwReturn; mciConnectorParms.dwCallback = (DWORD)hwndNotify; mciConnectorParms.dwConnectorType = dwSourceType; mciConnectorParms.dwConnectorIndex = dwSourceNum; dwReturn = mciSendCommand(wDeviceID, MCI_CONNECTOR, MCI_WAIT | dwSetting | MCI_CONNECTOR_TYPE | MCI_CONNECTOR_INDEX, (DWORD)&mciConnectorParms, wUserParm); return (LOUSHORT(dwReturn) != MCIERR_SUCCESS); } /******************** End of DevHelpUnfoDlgProc **********************/ } /************************************************************************* * * File Name : Vidplay.h * * Description : This file contains the definitions used by the VIDPLAY * sample application. * * Concepts : None. * * Copyright (C) 1992 IBM Corporation * * DISCLAIMER OF WARRANTIES. The following [enclosed] code is * sample code created by IBM Corporation. This sample code is not * part of any standard or IBM product and is provided to you solely * for the purpose of assisting you in the development of your * applications. The code is provided "AS IS", without * warranty of any kind. IBM shall not be liable for any damages * arising out of your use of the sample code, even if they have been * advised of the possibility of such damages. * * ************************************************************************/ #define ID_MAINWND 1 /**************************************************/ /********* MENU SELECTION DEFINITIONS **********/ /**************************************************/ /* FILE Submenu */ #define IDM_FILE 100 #define IDM_LOAD 110 #define IDM_SAVE 120 #define IDM_SAVEAS 130 #define IDM_EXIT 140 /* CONTROLS Submenu */ #define IDM_CONTROLS 200 #define IDM_AUDIO 210 #define IDM_AAC_MIN_SET 211 #define IDM_AAC_COMP_SET 212 #define IDM_VIDEO 220 #define IDM_VAC_MIN_SET 221 #define IDM_VAC_COMP_SET 222 #define IDM_PLAYER 230 #define IDM_VPC_MIN_SET 231 #define IDM_VPC_COMP_SET 232 #define IDM_SHOWALL 240 #define IDM_SHOWAAC 241 #define IDM_SHOWVAC 242 #define IDM_SHOWVPC 243 #define IDM_HIDEALL 250 #define IDM_HIDEAAC 251 #define IDM_HIDEVAC 252 #define IDM_HIDEVPC 253 /* Source Submenu */ #define IDM_SOURCE 300 #define IDM_AUDIOSOURCE1 310 #define IDM_AUDIOSOURCE2 311 #define IDM_VIDEOSOURCE1 321 #define IDM_VIDEOSOURCE2 322 #define IDM_VIDEOSOURCE3 323 /* Image Submenu */ #define IDM_IMAGE 400 #define IDM_CAPTURE 410 #define IDM_RESTORE 420 #define IDM_UNFREEZE 430 #define IDM_HELP 500 #define IDM_HELPITEM 510 #define IDM_ABOUT 520 /**************************************************/ /*************************************/ /* MESSAGEBOX DIALOG BOX DEFINITIONS */ /*************************************/ #define ID_MESSAGEBOX 2000 /***********************************/ /* PRODINFO DIALOG BOX DEFINITIONS */ /***********************************/ #define ID_DLG_PRODINFO 3000 #define ID_PRODTEXT1 3001 #define ID_PRODTEXT2 3002 #define ID_PRODTEXT3 3003 #define ID_PRODBITMAP 3004 /***************************************/ /***** CONTROL RELATED DEFINITIONS *****/ /***************************************/ #define ID_AAC_WND 4000 #define ID_VAC_WND 4001 #define ID_VPC_WND 4002 #define ID_DLG_AAC 4003 #define ID_DLG_VAC 4004 #define ID_DLG_VPC 4005 #define MMCONTROLS_DLLNAME "MMCTL" /*******************************/ /* HELP DIALOG BOX DEFINITIONS */ /*******************************/ #define ID_HELP_INFO_DLG 5000 #define ID_HELP_LISTBOX 5100 /* String Table defines for Help Information Text */ #define NUM_HELP_LINES 32 #define ID_HELP_TEXT_LINE_1 5101 #define ID_HELP_TEXT_LINE_2 5102 #define ID_HELP_TEXT_LINE_3 5103 #define ID_HELP_TEXT_LINE_4 5104 #define ID_HELP_TEXT_LINE_5 5105 #define ID_HELP_TEXT_LINE_6 5106 #define ID_HELP_TEXT_LINE_7 5107 #define ID_HELP_TEXT_LINE_8 5108 #define ID_HELP_TEXT_LINE_9 5109 #define ID_HELP_TEXT_LINE_10 5110 #define ID_HELP_TEXT_LINE_11 5111 #define ID_HELP_TEXT_LINE_12 5112 #define ID_HELP_TEXT_LINE_13 5113 #define ID_HELP_TEXT_LINE_14 5114 #define ID_HELP_TEXT_LINE_15 5115 #define ID_HELP_TEXT_LINE_16 5116 #define ID_HELP_TEXT_LINE_17 5117 #define ID_HELP_TEXT_LINE_18 5118 #define ID_HELP_TEXT_LINE_19 5119 #define ID_HELP_TEXT_LINE_20 5120 #define ID_HELP_TEXT_LINE_21 5121 #define ID_HELP_TEXT_LINE_22 5122 #define ID_HELP_TEXT_LINE_23 5123 #define ID_HELP_TEXT_LINE_24 5124 #define ID_HELP_TEXT_LINE_25 5125 #define ID_HELP_TEXT_LINE_26 5126 #define ID_HELP_TEXT_LINE_27 5127 #define ID_HELP_TEXT_LINE_28 5128 #define ID_HELP_TEXT_LINE_29 5129 #define ID_HELP_TEXT_LINE_30 5130 #define ID_HELP_TEXT_LINE_31 5131 #define ID_HELP_TEXT_LINE_32 5132 #ifndef MCI_VID_STATUS_TRANSPARENT_TYPE #define MCI_VID_STATUS_TRANSPARENT_TYPE (MCI_VID_ITEM_BASE+23) #define MCI_OVLY_STATUS_TRANSPARENT_TYPE MCI_VID_STATUS_TRANSPARENT_TYPE #endif #ifndef MCI_VID_STATUS_TRANSPARENT_COLOR #define MCI_VID_STATUS_TRANSPARENT_COLOR (MCI_VID_ITEM_BASE+24) #define MCI_OVLY_STATUS_TRANSPARENT_COLOR MCI_VID_STATUS_TRANSPARENT_COLOR #endif #ifndef MCI_VID_TRANSPARENT_RGB #define MCI_VID_TRANSPARENT_RGB 0x00000001L #define MCI_OVLY_TRANSPARENT_RGB MCI_VID_TRANSPARENT_RGB #endif #ifndef MCI_VID_TRANSPARENT_PALINDEX #define MCI_VID_TRANSPARENT_PALINDEX 0x00000002L #define MCI_OVLY_TRANSPARENT_PALINDEX MCI_VID_TRANSPARENT_PALINDEX #endif |}~]/************************************************************************* * * File Name : Vidplay.rc * * Description : This is the resource file for the VIDPLAY program * * Concepts : None. * * Copyright (C) 1992 IBM Corporation * * DISCLAIMER OF WARRANTIES. The following [enclosed] code is * sample code created by IBM Corporation. This sample code is not * part of any standard or IBM product and is provided to you solely * for the purpose of assisting you in the development of your * applications. The code is provided "AS IS", without * warranty of any kind. IBM shall not be liable for any damages * arising out of your use of the sample code, even if they have been * advised of the possibility of such damages. * * ************************************************************************/ #include #include "vidplay.h" ICON ID_MAINWND PRELOAD vidplay.ico BITMAP ID_PRODBITMAP PRELOAD prodinfo.bmp MENU ID_MAINWND PRELOAD BEGIN SUBMENU "~File", IDM_FILE BEGIN MENUITEM "~Load (offscreen)", IDM_LOAD MENUITEM "~Save", IDM_SAVE MENUITEM "S~Ave As", IDM_SAVEAS MENUITEM "~Exit \tF3", IDM_EXIT END SUBMENU "~Controls", IDM_CONTROLS, MIA_NODISMISS BEGIN SUBMENU "Audio", IDM_AUDIO BEGIN MENUITEM "Minimal Set", IDM_AAC_MIN_SET MENUITEM "Complete Set", IDM_AAC_COMP_SET END SUBMENU "Video", IDM_VIDEO BEGIN MENUITEM "Minimal Set", IDM_VAC_MIN_SET MENUITEM "Complete Set", IDM_VAC_COMP_SET END SUBMENU "Player", IDM_PLAYER BEGIN MENUITEM "Minimal Set", IDM_VPC_MIN_SET MENUITEM "Complete Set", IDM_VPC_COMP_SET END MENUITEM SEPARATOR SUBMENU "Show", -1, MIA_NODISMISS BEGIN MENUITEM "All", IDM_SHOWALL MENUITEM SEPARATOR MENUITEM "Audio", IDM_SHOWAAC MENUITEM "Video", IDM_SHOWVAC MENUITEM "Player", IDM_SHOWVPC END SUBMENU "Hide", -1, MIA_NODISMISS BEGIN MENUITEM "All", IDM_HIDEALL MENUITEM SEPARATOR MENUITEM "Audio", IDM_HIDEAAC, MIA_NODISMISS MENUITEM "Video", IDM_HIDEVAC MENUITEM "Player", IDM_HIDEVPC END END SUBMENU "~Source", IDM_SOURCE BEGIN MENUITEM "Audio Source 1", IDM_AUDIOSOURCE1 MENUITEM "Audio Source 2", IDM_AUDIOSOURCE2 MENUITEM SEPARATOR MENUITEM "Video Source 1", IDM_VIDEOSOURCE1 MENUITEM "Video Source 2", IDM_VIDEOSOURCE2 MENUITEM "Video Source 3", IDM_VIDEOSOURCE3 END SUBMENU "~Image", IDM_IMAGE BEGIN MENUITEM "Capture", IDM_CAPTURE MENUITEM "Restore", IDM_RESTORE MENUITEM "Unfreeze", IDM_UNFREEZE END SUBMENU "~Help", IDM_HELP BEGIN MENUITEM "Help", IDM_HELPITEM MENUITEM "About", IDM_ABOUT END END ACCELTABLE ID_MAINWND PRELOAD BEGIN VK_F3, IDM_EXIT, VIRTUALKEY END STRINGTABLE LOADONCALL BEGIN ID_HELP_TEXT_LINE_1 " " ID_HELP_TEXT_LINE_2 "The VIDPLAY Sample Program illustrates the " ID_HELP_TEXT_LINE_3 "use of the Overlay, Amp/Mixer and Videodisc " ID_HELP_TEXT_LINE_4 "Player devices. " ID_HELP_TEXT_LINE_5 " " ID_HELP_TEXT_LINE_6 "The program will present control panels for " ID_HELP_TEXT_LINE_7 "each of the devices using the Standard " ID_HELP_TEXT_LINE_8 "Multimedia Controls. These control panels " ID_HELP_TEXT_LINE_9 "can be moved, hidden, shown and re-created " ID_HELP_TEXT_LINE_10 "independently from the main video window. " ID_HELP_TEXT_LINE_11 " " ID_HELP_TEXT_LINE_12 "Please examine both the Minimal and Complete " ID_HELP_TEXT_LINE_13 "versions of the control panels. The Complete" ID_HELP_TEXT_LINE_14 "panels provide substantially more function, " ID_HELP_TEXT_LINE_15 "but require a larger area for display. " ID_HELP_TEXT_LINE_16 " " ID_HELP_TEXT_LINE_17 "You may capture still-frame images from the " ID_HELP_TEXT_LINE_18 "video, which can then be restored back on the" ID_HELP_TEXT_LINE_19 "screen or saved to a file. " ID_HELP_TEXT_LINE_20 " " ID_HELP_TEXT_LINE_21 "You may load images from files on disk, " ID_HELP_TEXT_LINE_22 "which can then be restored to the screen. " ID_HELP_TEXT_LINE_23 " " ID_HELP_TEXT_LINE_24 "VIDPLAY also supports the OS/2 drag & drop " ID_HELP_TEXT_LINE_25 "interface. You may drag image files from the" ID_HELP_TEXT_LINE_26 "OS/2 Workplace Shell. VIDPLAY will attempt " ID_HELP_TEXT_LINE_27 "to load and restore the image to the screen. " ID_HELP_TEXT_LINE_28 " " ID_HELP_TEXT_LINE_29 "Since restoring an image to the screen will " ID_HELP_TEXT_LINE_30 "freeze the video in that area, you can also " ID_HELP_TEXT_LINE_31 "unfreeze the video window - which will place " ID_HELP_TEXT_LINE_32 "moving video back into the entire window. " END rcinclude vidplay.dlg ;******* VIDPLAY Sample Program Module Definition File (.DEF) *********** ; ; The module definition file supplies extra information about the program ; module to the LINKER. NAME VIDPLAY WINDOWAPI DESCRIPTION 'OS/2 MMPM/2 Sample Video Player Program' DATA MULTIPLE STACKSIZE 16384 HEAPSIZE 8192 PROTMODE # IBM Developer's Workframe/2 Make File Creation run at 13:13:10 on 08/12/92 # Make File Creation run in directory: # D:\MMEDIA\SAMPLES\MMPM\VIDPLAY; .SUFFIXES: .SUFFIXES: .c .rc ALL: VIDPLAY.EXE \ VIDPLAY.RES vidplay.exe: \ VIDPLAY.OBJ \ VIDPLAY.RES \ vidplay.def \ MAKEFILE @REM @< #include #include #include #include #include "MMCTL.H" #include "LVDSYS.H" // Custom videodisc player device info... #include "vidview.h" // Defines and function definitios for VIDVIEW //----------------------------------------------------------------------------- // Declares and initializations of global data... //----------------------------------------------------------------------------- HAB hab ; // VIDVIEW anchor block... HMQ hmq ; // VIDIVEW message queue... HWND hwndFrame ; // Frame window handle HWND hwndClient ; // Client window handle HWND hwndNotify = 0; // Window to receive MCI_NOTIFY notifications... HWND hwndChild ; // Child of client HWND hwndMenu ; // Handle for Menu HMODULE hMMCTLDll ; // MMCTL.DLL handle BOOL fShowWaitPointer=FALSE ; // When user has to wait... // Information... // -- Player // -- Overlay // -- VIDVIEW // -- Initialize global pointers... // PLAYERINFO apiPlayers [ 2 ] = { "Videodisc", "VidviewVD1", 0, 0, 0, 0, 0, 0, // We will use only this one player... "Videodisc02", "VidviewVD2", 0, 0, 0, 0, 0, 0, // We could add this one for expansion... } ; APPLICATIONINFO aiMain ; PPLAYERINFO ppiCurrent = &apiPlayers [ 0 ] ; PAPPLICATIONINFO paiMain = &aiMain ; // More initialization... // -- Readouts for client... // -- Device names for MCI control... // -- Boolean fDoFill indicating when to paint background of client... // -- Window sizes for PAL and NTSC shapes... // -- Window strings for PAL and NTSC window menu items... // DISPLAYVALUESINFO dviInfo [] = { "Frame: " , "(%d, %d), cx=%d, cy=%d" ,"F:", "(%d,%d),%d,%d" ,NULL, TRUE, "V. window: " , "(%d, %d), cx=%d, cy=%d" ,"V:", "(%d,%d),%d,%d" ,NULL, TRUE, "Destination: " , "(%d, %d), cx=%d, cy=%d" ,"D:", "(%d,%d),%d,%d" ,NULL, TRUE, "Source: " , "(%d, %d), cx=%d, cy=%d" ,"S:", "(%d,%d),%d,%d" ,NULL, TRUE } ; BYTE pbWidestNormalValue [] = { "(999, 999), cx=999, cy=999" }; BYTE pbWidestTerseValue [] = { "(999,999),999,999" }; SZ szOverlayDevName [] = "Overlay" ; SZ szOverlayAlias [] = "VidviewOV1"; SZ szAmpMixAlias [] = "VidviewAM1"; BOOL fDoFill = TRUE ; RECTL arclSrcRectsForNTSCInput [8] = { // ---For NTSC:-------------- 8, 4, (688 + 8) - 1, (480 + 4) - 1, // IDM_VDW_CHILD 8, 4, (688 + 8) - 1, (480 + 4) - 1, // IDM_VDW_CLIENT_FULL_EXTENT 8, 4, (688 + 8) - 1, (480 + 4) - 1, // IDM_VDW_CLIENT_04TH_EXTENT 8, 4, (688 + 8) - 1, (480 + 4) - 1, // IDM_VDW_CLIENT_16TH_EXTENT 8, 4, (688 + 8) - 1, (480 + 4) - 1, // IDM_VDW_CLIENT_64TH_EXTENT 8, 4, (330 + 8) - 1, (473 + 4) - 1, // IDM_VDW_CLIENT_ARBITRARY_1 8, 4, (330 + 8) - 1, (473 + 4) - 1, // IDM_VDW_CLIENT_ARBITRARY_2 8, 4, (688 + 8) - 1, (344 + 4) - 1 // IDM_VDW_CLIENT_ARBITRARY_3 } ; RECTL arclDstRectsForNTSCInput [8] = { // ---For NTSC:-------------- 0, 0, (172 + 0) - 1, (120 + 0) - 1, // IDM_VDW_CHILD 0, 0, (688 + 0) - 1, (480 + 0) - 1, // IDM_VDW_CLIENT_FULL_EXTENT 0, 0, (344 + 0) - 1, (240 + 0) - 1, // IDM_VDW_CLIENT_04TH_EXTENT 0, 0, (172 + 0) - 1, (120 + 0) - 1, // IDM_VDW_CLIENT_16TH_EXTENT 0, 0, ( 86 + 0) - 1, ( 60 + 0) - 1, // IDM_VDW_CLIENT_64TH_EXTENT 0, 0, (240 + 0) - 1, (344 + 0) - 1, // IDM_VDW_CLIENT_ARBITRARY_1 0, 0, (120 + 0) - 1, (172 + 0) - 1, // IDM_VDW_CLIENT_ARBITRARY_2 0, 0, (344 + 0) - 1, (172 + 0) - 1 // IDM_VDW_CLIENT_ARBITRARY_3 } ; RECTL arclSrcRectsForPALInput [8] = { // ---For PAL:--------------- 8, 16, (688 + 8) - 1, (548 +16) - 1, // IDM_VDW_CHILD 8, 16, (688 + 8) - 1, (548 +16) - 1, // IDM_VDW_CLIENT_FULL_EXTENT 8, 16, (688 + 8) - 1, (548 +16) - 1, // IDM_VDW_CLIENT_04TH_EXTENT 8, 16, (688 + 8) - 1, (548 +16) - 1, // IDM_VDW_CLIENT_16TH_EXTENT 8, 16, (688 + 8) - 1, (548 +16) - 1, // IDM_VDW_CLIENT_64TH_EXTENT 8, 16, (449 + 8) - 1, (564 +16) - 1, // IDM_VDW_CLIENT_ARBITRARY_1 8, 16, (449 + 8) - 1, (564 +16) - 1, // IDM_VDW_CLIENT_ARBITRARY_2 8, 16, (688 + 8) - 1, (344 +16) - 1 // IDM_VDW_CLIENT_ARBITRARY_3 } ; RECTL arclDstRectsForPALInput [8] = { // ---For PAL:--------------- 0, 0, (172 + 0) - 1, (137 + 0) - 1, // IDM_VDW_CHILD 0, 0, (688 + 0) - 1, (548 + 0) - 1, // IDM_VDW_CLIENT_FULL_EXTENT 0, 0, (344 + 0) - 1, (274 + 0) - 1, // IDM_VDW_CLIENT_04TH_EXTENT 0, 0, (172 + 0) - 1, (137 + 0) - 1, // IDM_VDW_CLIENT_16TH_EXTENT 0, 0, ( 86 + 0) - 1, ( 69 + 0) - 1, // IDM_VDW_CLIENT_64TH_EXTENT 0, 0, (274 + 0) - 1, (344 + 0) - 1, // IDM_VDW_CLIENT_ARBITRARY_1 0, 0, (137 + 0) - 1, (172 + 0) - 1, // IDM_VDW_CLIENT_ARBITRARY_2 0, 0, (344 + 0) - 1, (172 + 0) - 1 // IDM_VDW_CLIENT_ARBITRARY_3 } ; PSZ apszWindowStringsForNTSC [ 9 ] = { "C~hild of Client" , "Client ~688 x 480", "Client ~344 x 240", "Client ~172 x 120", "Client ~86 x 60", "Client ~240 x 344", "Client 12~0 x 172", "Client 3~44 x 172", "~Window (NTSC)" } ; PSZ apszWindowStringsForPAL [ 9 ] = { "C~hild of Client" , "Client ~688 x 548", "Client ~344 x 274", "Client ~172 x 137", "Client ~86 x 69", "Client ~274 x 344", "Client 13~7 x 172", "Client 3~44 x 172", "~Window (PAL)" } ; //----------------------------------------------------------------------------- // Name: Main // // Description: Main procedure. // // Concepts: Registers window classes, creates application window, // opens video overlay device. // // Parameters: None. // // Returns: Returns 0 to the operating system. //----------------------------------------------------------------------------- int main ( VOID ) { QMSG qmsg; APIRET aRC; CHAR szFailBuffer[128]; LONG i, VideoInput ; PPLAYERINFO ppi ; PVIDEOWINDOWINFO pviTemp, pviCurrent ; HPOINTER hptrOriginal; HPOINTER hptrWait; DWORD dwReturn ; PSZ *ppsz ; LONG Index ; // Initialize and get an anchor block handle hab = WinInitialize ( 0 ) ; if ( !hab ) { DosBeep ( BEEP_WARN_FREQ, BEEP_WARN_DUR ) ; exit ( RETURN_ERROR ) ; } aRC = DosLoadModule(szFailBuffer, sizeof(szFailBuffer), MMCONTROLS_DLLNAME, &hMMCTLDll); if(aRC != 0) return FALSE; // Create a message queue... hmq = WinCreateMsgQueue( hab, 0 ); if ( !hmq) { DosBeep( BEEP_WARN_FREQ, BEEP_WARN_DUR ); exit( RETURN_ERROR ); } // Indicate that we are initializing... paiMain->fInitializing = TRUE ; // Get the sizing border sizes... paiMain->SizeBorderCx = WinQuerySysValue ( HWND_DESKTOP, SV_CXSIZEBORDER ) ; paiMain->SizeBorderCy = WinQuerySysValue ( HWND_DESKTOP, SV_CYSIZEBORDER ) ; // Get the screen size... paiMain->rclScreen.xLeft = 0 ; paiMain->rclScreen.xRight = WinQuerySysValue (HWND_DESKTOP,SV_CXSCREEN) -1; paiMain->rclScreen.yBottom = 0 ; paiMain->rclScreen.yTop = WinQuerySysValue (HWND_DESKTOP,SV_CYSCREEN) -1; // Register the main window class... if ( WinRegisterClass ( hab, "VidViewMainWindow", MainWinProc, CS_SIZEREDRAW | CS_MOVENOTIFY, 0 ) == FALSE ) { ExitFunction ( "Could Not Register Class", RETURN_ERROR ) ; } // Register the child window class... if ( WinRegisterClass ( hab, "VidViewChildWindow", ChildWndProc, CS_SIZEREDRAW | CS_MOVENOTIFY, 0 ) == FALSE ) { ExitFunction ( "Could Not Register Class", RETURN_ERROR ) ; } // Initalize the strings required for opening the overlay device... strcpy ( paiMain->szOverlayDeviceName, "Overlay" ) ; strcpy ( paiMain->szOverlayDeviceAlias, "VidviewOV1" ) ; // Initialize other values in the application info structure... paiMain->SeekFrame = 1 ; paiMain->fMinimized = FALSE ; paiMain->VideoInput = 1 ; // Display the Product Infomation dialog box... WinDlgBox( HWND_DESKTOP, HWND_DESKTOP, ( PFNWP )ProdInfoDlgProc, ( HMODULE ) 0, ID_DLG_PRODINFO, NULL ); // Put up something for the user to look at... SetupMyMainWindow ( paiMain ) ; // Obtain handle of system pointer (cursor) hptrOriginal = WinQueryPointer( HWND_DESKTOP ); // Obtain handle of system wait pointer (cursor) hptrWait = WinQuerySysPointer( HWND_DESKTOP, SPTR_WAIT, FALSE ); WinSetPointer( HWND_DESKTOP, hptrWait ); // Initialize notify handle... hwndNotify = hwndClient ; // Open the overlay device...SHAREABLE if ( OpenDevice ( ( LPSTR )paiMain->szOverlayDeviceName, ( LPSTR )paiMain->szOverlayDeviceAlias, MCI_WAIT | MCI_OPEN_SHAREABLE, &paiMain->wOverlayDeviceID ) ) { DisplayMessage ("Open Overlay FAILED - DO NOT CONTINUE!"); ExitFunction ("Device Opening Error", RETURN_ERROR ) ; return (TRUE); } // Initialize video source information and video display info for this app... for ( VideoInput = MAX_VIDEOWINDOWINFOS, pviTemp = &paiMain->aviVideoSources [ MAX_VIDEOWINDOWINFOS - 1 ] ; VideoInput > 0 ; VideoInput--, pviTemp-- ) { InitializeVideoWindowInfo ( pviTemp, VideoInput ) ; } // Disable the "Window (NTSC)" or "Window (PAL)" menu item... // ...We are originally in maintain-client-aspect-ratio mode, and // in this mode we do not allow the "Window (NTSC)" (or // "Window (PAL)" for PAL) to be active... WinEnableMenuItem ( hwndMenu, IDM_VDW_MAIN, FALSE ) ; // Copy the video window info associated with input 1 into the // current video window block...and get a pointer to it... // ...Notice that we are actually copying the information from // one structure to the other, not just copying a pointer... paiMain->vwiInfo = paiMain->aviVideoSources [ paiMain->VideoInput - 1 ] ; pviCurrent = &paiMain->vwiInfo ; // In SetupMyMainWindow(), called above, we assumed that the // video input type for video input 1 was NTSC....If it was really // PAL (i.e. we opened the overlay device and queried the input type // and found it to be PAL) then update the frame and client to // reflect the default PAL sizes... if ( pviCurrent->InputType == VVK_IT_PAL ) { // Set the frame rectangle position from the client position... SetFrameWindowPos ( hwndFrame, &paiMain->vwiInfo ) ; // Set the child window size... SetChildWindowPos ( hwndChild, &paiMain->vwiInfo ) ; // Set the text of the menu items to PAL values... for ( Index = 0, ppsz = pviCurrent->ppszWindowStrings ; Index < 9 ; Index++, ppsz++ ) { WinSetMenuItemText ( hwndMenu, IDM_VDW_CHILD + Index, *ppsz ) ; } // Paint client window //WinUpdateWindow ( hwndClient ) ; } // Else the input type is NTSC... else { // Set the frame rectangle position from the client position... SetFrameWindowPos ( hwndFrame, &paiMain->vwiInfo ) ; } // Show the video... // // 1) Set the client background color to CLR_PINK so that video // will show through... // // 2) Set source... // // 3) Set destination by directing video to the hwndClient... // pviCurrent->clrClientBG = CLR_PINK ; dwReturn = OvlPutSrcRect ( paiMain->wOverlayDeviceID, &pviCurrent->rclCurSrc, ( HWND ) 0 ) ; dwReturn = OvlSetVideoWindow ( paiMain->wOverlayDeviceID, hwndClient ) ; // Check the return code...and indicate whether we have succeeded... if ( LOUSHORT ( dwReturn ) == MCIERR_SUCCESS ) { pviCurrent->fInitialized = TRUE ; } // Else we failed... else { DisplayMessage ( "Cannot acquire the overlay device, because another " "application has acquired it exclusively. If you " "want to see video in VIDVIEW, have the other application " "close the overlay device." ) ; } // Restore arrow pointer... WinSetPointer( HWND_DESKTOP, hptrOriginal ); // Done initializing... paiMain->fInitializing = FALSE ; // Force a paint... WinInvalidateRect ( hwndClient, NULL, FALSE ) ; WinUpdateWindow ( hwndClient ) ; while ( WinGetMsg ( hab, &qmsg, ( HWND ) NULL, 0, 0 ) ) { WinDispatchMsg( hab, &qmsg ); } // Destroy the main window... WinDestroyWindow ( hwndFrame ) ; // Close any open devices... for ( i = 0, ppi = apiPlayers ; i < MAX_PLAYERS ; i++, ppi++ ) { if ( ppi->wDeviceID != 0 ) { CloseDevice ( ppi->wDeviceID ) ; } } if ( paiMain->wOverlayDeviceID != 0 ) { CloseDevice ( paiMain->wOverlayDeviceID ) ; } // Destroy the message queue... // Terminate the application... WinDestroyMsgQueue( hmq ); WinTerminate( hab ); return( 0 ); } //----------------------------------------------------------------------------- // Name: SetupMyMainWindow // // Description: Procedure for setting up the windows... // // Concepts: Creates frame window and child window... // // Parameters: pai - Pointer to main strcture for this app... // // Returns: 0 // //----------------------------------------------------------------------------- USHORT SetupMyMainWindow ( PAPPLICATIONINFO pai ) { ULONG flCreate = 0; PVIDEOWINDOWINFO pvi = &pai->vwiInfo ; PRECTL prclDstChild ; LONG ChildWidth, ChildHeight ; // The initial mode is maintain client aspect ratio... // ...so we DO have a sizing border... flCreate = FCF_STANDARD | FCF_NOBYTEALIGN ; // Create main frame window...invisibly... hwndFrame = WinCreateStdWindow ( HWND_DESKTOP, 0, // not WS_VISIBLE &flCreate, "VidViewMainWindow", "", 0L, ( HMODULE )NULL, ID_MAINWND, &hwndClient ); if ( !hwndFrame ) { ExitFunction( "Could Not Create Main Window", RETURN_ERROR ) ; } // Set Frame window title text WinSetWindowText( hwndFrame, "Sample VIDVIEW" ); // Initialize the video window information for the main window... // ...For now, assume NTSC input until we can open the overlay device... pvi->InputType = VVK_IT_NTSC ; pvi->prclSrcRects = arclSrcRectsForNTSCInput ; pvi->prclDstRects = arclDstRectsForNTSCInput ; pvi->ppszWindowStrings = apszWindowStringsForNTSC ; InitializeVideoDisplayInfo ( pvi, 1 ) ; // Set the frame rectangle position from the client position... SetFrameWindowPos ( hwndFrame, pvi ) ; // Create the child window prclDstChild = &pvi->prclDstRects [ 0 ] ; ChildWidth = ( prclDstChild->xRight - prclDstChild->xLeft ) + 1 ; ChildHeight = ( prclDstChild->yTop - prclDstChild->yBottom ) + 1 ; hwndChild = WinCreateWindow ( hwndClient, "VidViewChildWindow", NULL, 0, 128, 96, ChildWidth, ChildHeight, hwndClient, HWND_BOTTOM, ID_STATIC, NULL, NULL ) ; // Paint client window WinUpdateWindow ( hwndClient ) ; return 0 ; } //----------------------------------------------------------------------------- // Name: SetFrameWindowPos() // // Description: Procedure for setting frame window size... // // Concepts: Sets frame based on valued stored in pvi->rclClient... // // Parameters: hwndFrame - frame window handle... // pvi - pointer to video window information... // // Returns: VOID // //----------------------------------------------------------------------------- VOID SetFrameWindowPos ( HWND hwndFrame, PVIDEOWINDOWINFO pvi ) { PRECTL prclFrame ; LONG Height, Width ; prclFrame = &pvi->rclFrame ; *prclFrame = pvi->rclClient ; WinCalcFrameRect ( hwndFrame, prclFrame, FALSE ) ; // Get the height and width of the frame... Width = ( prclFrame->xRight - prclFrame->xLeft ) + 1 ; Height = ( prclFrame->yTop - prclFrame->yBottom ) + 1 ; // Set the frame to the newly calculated size, at the current position... WinSetWindowPos ( hwndFrame, 0L , 0, 0, Width, Height, SWP_SHOW | SWP_SIZE ) ; // Query the frame rectangle coordinates....this is for debug... WinQueryWindowRect ( hwndFrame, prclFrame ) ; } //----------------------------------------------------------------------------- // Name: SetChildWindowPos() // // Description: Procedure for setting up the windows... // // Concepts: Sets child window to current x, current y, new width, // new height // // Parameters: hwndChild - handle of child window... // pvi - pointer to video window information... // // Returns: VOID // //----------------------------------------------------------------------------- VOID SetChildWindowPos ( HWND hwndChild, PVIDEOWINDOWINFO pvi ) { PRECTL prclDstChild ; LONG ChildWidth, ChildHeight ; prclDstChild = &pvi->prclDstRects [ 0 ] ; ChildWidth = ( prclDstChild->xRight - prclDstChild->xLeft ) + 1 ; ChildHeight = ( prclDstChild->yTop - prclDstChild->yBottom ) + 1 ; WinSetWindowPos ( hwndChild, 0L , 0, 0, ChildWidth, ChildHeight, SWP_SIZE ) ; } //----------------------------------------------------------------------------- // Name: ExitFunction // // Description: Displays a message and terminates VIDVIEW.EXE // // Concepts: Use common function to display messages. // // Parameters: Message text, error code w/ wh to exit. // // Returns: VOID // //----------------------------------------------------------------------------- VOID ExitFunction ( PSZ pszMessage, WORD wErrorCode ) { // Let the pointer symbol change back to the arrow icon... paiMain->fInitializing = FALSE ; // Display the message... DisplayMessage( pszMessage ); // Exit with specified code... exit ( wErrorCode ) ; } //----------------------------------------------------------------------------- // Name: CreateSourceControlDialog() // // Description: Procedure for setting up the windows... // // Concepts: Sets child window to current x, current y, new width, // new height // // Parameters: pvi - pointer to video window information... // fShow - if TRUE show source control dialog... // // Returns: VOID // //----------------------------------------------------------------------------- VOID CreateSourceControlDialog ( PVIDEOWINDOWINFO pvi, BOOL fShow ) { RECTL rclFrame ; RECTL rclDlg ; LONG DlgHeight, DlgWidth ; LONG x, y ; HWND hwndDlg ; LONG SWPFlags ; // Create the dialog window... paiMain->hwndSourceDlg = WinLoadDlg ( HWND_DESKTOP, HWND_DESKTOP, ( PFNWP ) SourceControlDialogProc, ( HMODULE ) NULL, ( ULONG ) ID_DLG_SOURCE_RECTANGLE, ( PVOID ) NULL ) ; //------------------------------------------------------- // The rest of this function adjusts the position of the // dialog window... //------------------------------------------------------- // Initialize... hwndDlg = paiMain->hwndSourceDlg ; // Get values for frame... rclFrame = pvi->rclFrame ; WinMapWindowPoints ( hwndFrame, HWND_DESKTOP, ( PPOINTL ) &rclFrame, 2 ) ; rclFrame.xRight -= 1 ; rclFrame.yTop -= 1 ; // Get values for dlg... WinQueryWindowRect ( hwndDlg, &rclDlg ) ; DlgHeight = rclDlg.yTop ; DlgWidth = rclDlg.xRight ; WinMapWindowPoints ( hwndDlg, HWND_DESKTOP, ( PPOINTL ) &rclDlg, 2 ) ; // Initialize new (x,y) for dialog... x = rclDlg.xLeft ; y = rclDlg.yBottom ; // If there is room to the right of the frame... // ...then position the dialog there... if ( ( paiMain->rclScreen.xRight - rclFrame.xRight ) >= DlgWidth ) { x = rclFrame.xRight + 1 ; y = ( rclFrame.yTop - DlgHeight ) + 1 ; } // Else if there is room to the bottom...then put it there... else if ( (rclFrame.yBottom - paiMain->rclScreen.yBottom) >= DlgHeight ) { x = ( rclFrame.xRight - DlgWidth ) + 1 ; y = ( rclFrame.yBottom - DlgHeight ) ; } // Else if there is room to the left...then put it there... else if ( ( rclFrame.xLeft - paiMain->rclScreen.xLeft ) >= DlgWidth ) { x = rclFrame.xLeft - DlgWidth ; y = ( rclFrame.yTop - DlgHeight ) + 1 ; } // Else if there is room to the top...then put it there... else if ( ( paiMain->rclScreen.yTop - rclFrame.yTop ) >= DlgHeight ) { x = ( rclFrame.xRight - DlgWidth ) + 1 ; y = rclFrame.yTop + 1 ; } // Else if there is almost enough room at the right... // ...then put it there... else if ( ( paiMain->rclScreen.xRight - rclFrame.xRight ) >= ( ( DlgWidth * 3 ) / 4 ) ) { x = ( paiMain->rclScreen.xRight - DlgWidth ) + 1 ; y = ( rclFrame.yTop - DlgHeight ) + 1 ; // Make sure we do not go above or below the screen... if ( ( ( y + DlgHeight ) - 1 ) > paiMain->rclScreen.yTop ) { y = paiMain->rclScreen.yTop - DlgHeight ; } else if ( y < paiMain->rclScreen.yBottom ) { y = paiMain->rclScreen.yBottom ; } } // Else if there is almost enough room at the left... // ...then put it there...??? // Arrange to show the dialog or not, as specified... if ( fShow ) { SWPFlags = SWP_SHOW ; } else { SWPFlags = 0 ; } // Set the new position... WinSetWindowPos ( hwndDlg, 0L, x, y, 0, 0, SWPFlags | SWP_MOVE ) ; } //----------------------------------------------------------------------------- // Name: DisplayValuesInClientArea() // // Description: Displays readouts for frame, client, destination, and source // // Concepts: Solicits current values from overlay device. // // Note on destination: // // Parameters: hps - hps to draw in // pvi - pointer to video window structure // // Returns: VOID // //----------------------------------------------------------------------------- VOID DisplayValuesInClientArea ( HPS hps, PVIDEOWINDOWINFO pvi ) { RECTL rclTempFrame, rclTempSrc, rclTempDst, rclTempVideo ; RECTL rclWidth, rclLabel, rclValue ; PRECTL prcl ; BYTE abTemp [ 60 ] ; LONG i, TotalLineWidth ; PDISPLAYVALUESINFO pdi ; HWND hwndVideo ; PBYTE pbLabel, pbValue ; BOOL fTerseFormat ; // If we have not previously computed the text rectangle widths // then do so now... if ( paiMain->NormalLabelWidth == 0) { // Get max width of normal label.... rclWidth.xLeft = 0 ; rclWidth.yBottom = 0 ; rclWidth.xRight = 200 ; rclWidth.yTop = 200 ; WinDrawText ( hps, -1, dviInfo[1].pbNormalLabel, &rclWidth, pvi->clrClientFG, pvi->clrClientBG, DT_VCENTER | DT_LEFT | DT_QUERYEXTENT ) ; paiMain->NormalLabelWidth = rclWidth.xRight - rclWidth.xLeft ; // Get max width of normal value string... rclWidth.xLeft = 0 ; rclWidth.yBottom = 0 ; rclWidth.xRight = 200 ; rclWidth.yTop = 200 ; WinDrawText ( hps, -1, pbWidestNormalValue, &rclWidth, pvi->clrClientFG, pvi->clrClientBG, DT_VCENTER | DT_LEFT | DT_QUERYEXTENT ) ; paiMain->NormalValueWidth = rclWidth.xRight - rclWidth.xLeft ; // Get max width of terse label.... rclWidth.xLeft = 0 ; rclWidth.yBottom = 0 ; rclWidth.xRight = 200 ; rclWidth.yTop = 200 ; WinDrawText ( hps, -1, dviInfo[1].pbTerseLabel, &rclWidth, pvi->clrClientFG, pvi->clrClientBG, DT_VCENTER | DT_LEFT | DT_QUERYEXTENT ) ; paiMain->TerseLabelWidth = rclWidth.xRight - rclWidth.xLeft ; // Get max width of terse value string... rclWidth.xLeft = 0 ; rclWidth.yBottom = 0 ; rclWidth.xRight = 200 ; rclWidth.yTop = 200 ; WinDrawText ( hps, -1, pbWidestTerseValue, &rclWidth, pvi->clrClientFG, pvi->clrClientBG, DT_VCENTER | DT_LEFT | DT_QUERYEXTENT ) ; paiMain->TerseValueWidth = rclWidth.xRight - rclWidth.xLeft ; } // Init pointers to rectangles.... dviInfo[0].prclValues = &rclTempFrame ; dviInfo[1].prclValues = &rclTempVideo ; dviInfo[2].prclValues = &rclTempDst ; dviInfo[3].prclValues = &rclTempSrc ; // Get frame window coordinates...and map to desktop... rclTempFrame = pvi->rclFrame ; WinMapWindowPoints ( hwndFrame, HWND_DESKTOP, ( PPOINTL ) &rclTempFrame, 2 ); rclTempFrame.xRight-- ; rclTempFrame.yTop-- ; // Get video window coordinates...and map to frame coordinates if ( pvi->Style == IDM_VDW_CHILD ) { WinQueryWindowRect ( hwndChild, &rclTempVideo ) ; rclTempVideo.xRight-- ; rclTempVideo.yTop-- ; hwndVideo = hwndChild ; } else { rclTempVideo = pvi->rclClient ; //rclTempVideo.xRight-- ; // For client we have already decremented this value //rclTempVideo.yTop-- ; // For client we have already decremented this value hwndVideo = hwndClient ; } WinMapWindowPoints ( hwndVideo, hwndFrame, ( PPOINTL ) &rclTempVideo, 2 ) ; // Fetch the destination and source as reported by overlay device... OvlGetDstRect ( paiMain->wOverlayDeviceID, ( HWND ) 0, &rclTempDst ) ; OvlGetSrcRect ( paiMain->wOverlayDeviceID, ( HWND ) 0, &rclTempSrc ) ; // Get ready to paint.... GpiSetBackMix ( hps, BM_OVERPAINT ) ; // Determine the total width of the text... TotalLineWidth = paiMain->NormalLabelWidth + paiMain->NormalValueWidth ; // If displaying... if ( pvi->Readout != VVK_RO_NONE ) { // Initialize label rectangle for normal format... rclLabel.xLeft = VVK_DR_XLEFT ; rclLabel.xRight = VVK_DR_XLEFT + paiMain->NormalLabelWidth ; rclLabel.yBottom = VVK_DR_YBOTTOM ; rclLabel.yTop = VVK_DR_YTOP ; // Initialize value rectangle... rclValue.xLeft = VVK_DR_XLEFT + paiMain->NormalLabelWidth + 1; rclValue.xRight = VVK_DR_XLEFT + TotalLineWidth ; rclValue.yBottom = VVK_DR_YBOTTOM ; rclValue.yTop = VVK_DR_YTOP ; // Check for terse format... if ( ( ( pvi->rclClient.xRight - pvi->rclClient.xLeft) + 1 ) >= TotalLineWidth ) { fTerseFormat = FALSE ; } else { fTerseFormat = TRUE ; rclLabel.xRight = VVK_DR_XLEFT + paiMain->TerseLabelWidth ; rclValue.xLeft = VVK_DR_XLEFT + paiMain->TerseLabelWidth + 1; rclValue.xRight = VVK_DR_XLEFT + paiMain->TerseLabelWidth + paiMain->TerseValueWidth ; } // Display 4 lines of text... for ( i = 0, pdi = dviInfo; i < 4 ; i++, pdi++ ) { // Adjust... rclLabel.yBottom -= 15 ; rclLabel.yTop -= 15 ; rclValue.yBottom -= 15 ; rclValue.yTop -= 15 ; prcl = pdi->prclValues ; // Get pointers to the strings... if ( fTerseFormat ) { pbLabel = pdi->pbTerseLabel ; pbValue = pdi->pbTerseValue ; } else { pbLabel = pdi->pbNormalLabel ; pbValue = pdi->pbNormalValue ; } // Display the label part of the line... WinDrawText ( hps, -1, pbLabel, &rclLabel, pvi->clrClientFG, pvi->clrClientBG, DT_VCENTER | DT_LEFT | DT_ERASERECT ) ; // Display the value part of the line... sprintf ( abTemp, pbValue, prcl->xLeft, prcl->yBottom, ( prcl->xRight - prcl->xLeft ) + 1, ( prcl->yTop - prcl->yBottom ) + 1 ) ; WinDrawText ( hps, -1, abTemp, &rclValue, pvi->clrClientFG, pvi->clrClientBG, DT_VCENTER | DT_LEFT | DT_ERASERECT ) ; } } // Else erasing... else { // Initialize drawing rectangle... rclLabel.xLeft = VVK_DR_XLEFT ; rclLabel.xRight = VVK_DR_XLEFT + TotalLineWidth ; rclLabel.yBottom = 10 ; rclLabel.yTop = 70 ; WinFillRect ( hps, &rclLabel, pvi->clrClientBG ) ; } } //----------------------------------------------------------------------------- // Name: MapReadoutToClr() // // Description: Map a color to a menu item id... // // Concepts: Map color value to menu value // // Parameters: Readout - value indicating readout color // clr - PM Color // // Returns: COLOR // //----------------------------------------------------------------------------- VOID MapReadoutToClr ( LONG Readout, PCOLOR pclr ) { COLOR clr ; // Get the color associated w/ the readout value... switch ( Readout ) { case VVK_RO_WHITE : clr = CLR_WHITE ; break ; case VVK_RO_YELLOW : clr = CLR_YELLOW ; break ; case VVK_RO_CYAN : clr = CLR_CYAN ; break ; case VVK_RO_BLACK : clr = CLR_BLACK ; break ; default : clr = CLR_PINK ; break ; } // Set return value... if ( clr != CLR_PINK ) { *pclr = clr ; } } //----------------------------------------------------------------------------- // Name: BuildProRect() // // Description: Given a height or width, build a rectangle proportional to // the specified aspect ratio. // // Concepts: For video to appear properly proportioned, not stretched // or squashed, the aspect ratio (width-to-height ratio) // of the source rectangle must be the same, or at least // approximately the same, as the aspect ratio of the // destination ratio. // // Here we are given an aspect ratio and one dimension, // either length or height. From this we calculate // the other dimension. // // Parameters: prclOld - input // prclNew - the new non-proportional rectangle // prclPro - output, prclNew made proportional // AspectX, AspectY - Aspect width and height; JUST USE THE // ACTUAL DIMENSIONS OF YOUR SOURCE RECTANGLE // NewWidth, NewHeight - One of these (the non-0 one) specifies // whether we are to start w the height // and determine the width, or vice versa // // Returns: VOID // //----------------------------------------------------------------------------- VOID BuildProRect ( PRECTL prclOld, PRECTL prclNew, PRECTL prclPro, LONG AspectX, LONG AspectY, LONG NewWidth, LONG NewHeight ) { LONG ProWidth, ProHeight ; // If we are given the width and have to find the height... if ( NewWidth != 0 ) { // Get the new proportional width...which is the same as the new width... ProWidth = NewWidth ; // Calculate the new proportional height using // the proportional width and the constant aspect ratio... ProHeight = ( ( ProWidth * AspectY ) + ( AspectX / 2 ) ) / AspectX ; } // Else we are given the height and have to find the width... else { // Get the new proportional height...which is the same as the new height.. ProHeight = NewHeight ; // Calculate the new proportional width using // the proportional height and the constant aspect ratio... ProWidth = ( ( ProHeight * AspectX ) + ( AspectY / 2 ) ) / AspectY ; } // Now build the width of the new rectangle... // If the left edges are the same then build the new // rectangle from the left... if ( prclOld->xLeft == prclNew->xLeft) { prclPro->xLeft = prclNew->xLeft ; prclPro->xRight = prclPro->xLeft + ( ProWidth - 1 ) ; } // Else the right edges are the same...so build the new // rectangle from the right... else { prclPro->xRight = prclNew->xRight ; prclPro->xLeft = prclPro->xRight - ( ProWidth - 1 ) ; } // Now build the height of the new rectangle... // If the bottom edges are the same then build the new // rectangle from the bottom... if ( prclOld->yBottom == prclNew->yBottom) { prclPro->yBottom = prclNew->yBottom ; prclPro->yTop = prclPro->yBottom + ( ProHeight - 1 ) ; } // Else the top edge is the same...so build the new // rectangle from the top... else { prclPro->yTop = prclNew->yTop ; prclPro->yBottom = prclPro->yTop - ( ProHeight - 1 ) ; } } //----------------------------------------------------------------------------- // Name: MapRectToProRect() // // Description: Map rectangle to proportional rectangle. Choose the new // rectangle based on the direction of greatest change. // // Concepts: Used when in maintain-client-aspect-ratio mode. // The user has sized the rectangle in both width and // height (altho the change may be 0 in either dimension). // We select the dimension of greater change and create // a new proportional rectangle based on it. // // Parameters: prclOld - Old size // prclNew - New non-prop size // prclPro - Output, the new prop size // AspectX, AspectY - the aspect ratio; USE ACTUAL DIMENSIONS // OF SOURCE RECTANGLE // // Returns: TRUE success // FALSE fail // //----------------------------------------------------------------------------- BOOL MapRectToProRect ( PRECTL prclOld, PRECTL prclNew, PRECTL prclPro, LONG AspectX, LONG AspectY, LONG MinWidth, LONG MinHeight, LONG MaxWidth, LONG MaxHeight ) { LONG OldWidth, NewWidth, OldHeight, NewHeight, ScreenWidth, ScreenHeight ; LONG ChangeInWidth, ChangeInHeight ; // Get the dimensions...either or both members of a coordinate pair // may be posative,negative, or 0... OldWidth = ( prclOld->xRight - prclOld->xLeft ) + 1 ; OldHeight = ( prclOld->yTop - prclOld->yBottom ) + 1 ; NewWidth = ( prclNew->xRight - prclNew->xLeft ) + 1 ; NewHeight = ( prclNew->yTop - prclNew->yBottom ) + 1 ; ChangeInWidth = NewWidth - OldWidth ; if ( ChangeInWidth < 0 ) { ChangeInWidth = -( ChangeInWidth ) ; } ChangeInHeight = NewHeight - OldHeight ; if ( ChangeInHeight < 0 ) { ChangeInHeight = -( ChangeInHeight ) ; } // If the old width is 0 then return now.... // NOTE: The cx and cy reported by WM_SIZE during set up is 0 and 0, // because the window is hidden... if ( OldWidth == 0 ) { return FALSE ; } // If the width changed more than the height... // NOTE: For the purpose of this comparison ONLY, we will factor in // the SCREEN dimensions so that the user will // be more comfortable with the changes in client size... // ScreenWidth = (paiMain->rclScreen.xRight - paiMain->rclScreen.xLeft ) +1 ; ScreenHeight = (paiMain->rclScreen.yTop - paiMain->rclScreen.yBottom) +1 ; ChangeInHeight = ( ( ChangeInHeight * ScreenHeight ) + ( ScreenWidth / 2 ) ) / ScreenWidth ; if ( ChangeInWidth >= ChangeInHeight ) { // Enforce minimum and maximum width... if ( NewWidth < MinWidth ) { NewWidth = MinWidth ; } else if ( NewWidth > MaxWidth ) { NewWidth = MaxWidth ; } // Build new proportional rectangle... BuildProRect ( prclOld, prclNew, prclPro, AspectX, AspectY, NewWidth, 0 ) ; } // Else we are to use the new height... else { // Enforce minimum and maximum height... if ( NewHeight < MinHeight ) { NewHeight = MinHeight ; } else if ( NewHeight > MaxHeight ) { NewHeight = MaxHeight ; } BuildProRect ( prclOld, prclNew, prclPro, AspectX, AspectY, 0, NewHeight ) ; } return TRUE ; } //----------------------------------------------------------------------------- // Name: ChangeActionMode() // // Descciption: Switch between Maintain-client-aspect-ratio mode and // Adjust-source-area mode. We have to add or discard the // frame sizing border, re-size the window, and update the // menu check marks. // // Concepts: When switching modes we use a default source size // and a default destination size... // // Parameters: Mode - which is the new mode // // Returns: VOID // //----------------------------------------------------------------------------- VOID ChangeActionMode ( PVIDEOWINDOWINFO pvi, LONG Mode ) { LONG Width, Height, StyleMask, Active, Inactive, EnableItems ; PRECTL prclFrame, prclClient ; RECTL rclOldFrame ; LONG xLeft, yBottom ; // Set the new mode... pvi->ActionMode = Mode ; // Set temporary variables based on the new mode... if ( Mode == VVK_AM_ADJUST_SOURCE_AREA ) { StyleMask = 0 ; Active = IDM_OVLY_ADJUST_SOURCE_AREA ; Inactive = IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO ; EnableItems = TRUE ; } else { StyleMask = FS_SIZEBORDER ; Active = IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO ; Inactive = IDM_OVLY_ADJUST_SOURCE_AREA ; EnableItems = FALSE ; } // Get the old frame position in world coordinates... WinQueryWindowRect ( hwndFrame, &rclOldFrame ) ; WinMapWindowPoints ( hwndFrame, HWND_DESKTOP, ( PPOINTL ) &rclOldFrame, 2 ) ; // Add or remove sizing border... WinSetWindowBits ( hwndFrame, QWL_STYLE, StyleMask, FS_SIZEBORDER ) ; // Set pointers... prclFrame = &pvi->rclFrame ; prclClient = &pvi->rclClient ; // Set client to default size... *prclClient = pvi->prclDstRects[IDM_VDW_CLIENT_04TH_EXTENT-IDM_VDW_CHILD] ; // Set minimum source rectangle to same size as destination... pvi->rclMinSrc = *prclClient ; // Calculate the equivalent frame rectangle...and get its width and height... *prclFrame = *prclClient ; WinCalcFrameRect ( hwndFrame, prclFrame, FALSE ) ; Width = ( prclFrame->xRight - prclFrame->xLeft ) + 1 ; Height = ( prclFrame->yTop - prclFrame->yBottom ) + 1 ; // Get the old frame coordinates... xLeft = rclOldFrame.xLeft ; yBottom = rclOldFrame.yBottom ; // Adjust for size of sizing border... if ( Mode == VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { xLeft -= paiMain->SizeBorderCx ; yBottom -= paiMain->SizeBorderCy ; } else { xLeft += paiMain->SizeBorderCx ; yBottom += paiMain->SizeBorderCy ; } // Set default source rectangle... SetDefaultSourceRect ( pvi ) ; // Set the frame to the new calculated size, at the old position... WinSetWindowPos ( hwndFrame, 0L , xLeft, yBottom, Width, Height, SWP_SHOW | SWP_SIZE | SWP_MOVE ) ; // Update the frame... WinSendMsg ( hwndFrame, WM_UPDATEFRAME, ( MPARAM) FCF_SIZEBORDER, ( MPARAM ) 0 ) ; // Update menu check marks... WinCheckMenuItem ( hwndMenu, Active, TRUE ) ; WinCheckMenuItem ( hwndMenu, Inactive, FALSE ) ; // Enable or disable video window menuitem... WinEnableMenuItem ( hwndMenu, IDM_VDW_MAIN, EnableItems ) ; // Uncheck the old video window style... WinCheckMenuItem ( hwndMenu, pvi->Style, FALSE ) ; // If the new mode is maintain-client-aspect-ratio... if ( Mode == VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { // If switching FROM child window... if ( pvi->Style == IDM_VDW_CHILD ) { // Set the new colors... // -- Foreground color does not change... // -- Background color is CLR_PINK... pvi->clrClientBG = CLR_PINK ; // Force a fill of the client area... fDoFill = TRUE ; // Hide the child window...and use the client as the video window... WinSetWindowPos ( hwndChild, 0L , 0, 0, 0, 0, SWP_HIDE ) ; OvlSetVideoWindow ( paiMain->wOverlayDeviceID, hwndClient ) ; // Re-enable the "White" selection on the readout colors menu... WinEnableMenuItem ( hwndMenu, IDM_RDTCLR_WHITE, TRUE ) ; } } // Set the new video window style... pvi->Style = IDM_VDW_CLIENT_04TH_EXTENT ; // Check the new video window style... if ( Mode == VVK_AM_ADJUST_SOURCE_AREA ) { WinCheckMenuItem ( hwndMenu, IDM_VDW_CLIENT_04TH_EXTENT, TRUE ) ; } // Get the frame rectangle coordinates.... WinQueryWindowRect ( hwndFrame, prclFrame ) ; // Paint the client window WinUpdateWindow ( hwndClient ) ; } //----------------------------------------------------------------------------- // Name: ChildWndProc() // // Description: Processes WM_PAINT for child window. Necessary for displaying // video in our child window -- video shows through only CLR_PINK. // // Concepts: It is comparatively very easy to manage painting the video // window when it contains ONLY video -- just flood with // CLR_PINK. If the video window is partially covered by // children (for example, in this program, when the video // window is the client, and the numerical readouts are // display) then we can encounter some annoying problems // with flickering text. // // Remember, w/ a video window, you get MORE FREQUENT PAINTS, // and MORE EXTENSIVE PAINTS (i.e. often ALL of the window // is invalidated), as a result of the overlay device's // continuing responsibility to keep the video window // covered with current video. Therefore it is better if // you do NOT display any other controls over the video window. // // Parameters: Std window proc parms // // Returns: Std window proc returns // //----------------------------------------------------------------------------- MRESULT EXPENTRY ChildWndProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ) { HPS hps ; RECTL rcl ; switch ( msg ) { case WM_PAINT: hps = WinBeginPaint ( hwnd, (HPS)NULL, &rcl ) ; WinFillRect ( hps, &rcl, CLR_PINK ) ; WinEndPaint ( hps ) ; break; default: return WinDefWindowProc( hwnd, msg, mp1, mp2 ); } return (MRESULT) FALSE; } //----------------------------------------------------------------------------- // Name: MainWndProc // // Description: Window procedure for the main clent window. // // Concepts : Processes the messages sent to the main client // window. This routine processes the basic // messages all client windows should process and // passes all others onto UserWndProc where the // developer can process any others. // // Where this function is complex is NOT in the management of // overlay, which is relatively simple, but in maintaining size // calculations for for the adjust-source-area popup. // // Parameters: Std window proc parms // // Returns: Std window proc returns // //----------------------------------------------------------------------------- MRESULT EXPENTRY MainWinProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ) { BOOL fFailed ; USHORT usCommand ; DWORD dwMciFlags ; DWORD dwAudio ; PSZ pszText ; PRECTL prcl, prclMin, prclMax ; RECTL rclNew, rclResult, rclNewFrame ; RECTL rclOldClient, rclOldClientOnDesktop ; BOOL fSuccess, fCheck ; LONG OldVideoInput, NewVideoInput, OldReadout ; LONG MinWidth, MinHeight, MaxWidth, MaxHeight ; DWORD dwReturn ; PSWP pswp ; PVIDEOWINDOWINFO pvi ; switch ( msg ) { case WM_CREATE: // Get the menu handle... hwndMenu = WinWindowFromID ( WinQueryWindow ( hwnd, QW_PARENT ), FID_MENU ) ; // Put a check beside the "Constant Aspect Ratio" // on the menu... WinCheckMenuItem ( hwndMenu, IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO, TRUE ) ; // Put a check beside the video input 1... WinCheckMenuItem ( hwndMenu, IDM_VID_INPUT_1, TRUE ) ; // Put a check beside "Off" on the "Readouts" submenu... WinCheckMenuItem ( hwndMenu, IDM_RDTCLR_NONE, TRUE ) ; // Disable video window menuitems... WinEnableMenuItem ( hwndMenu, IDM_VDW_MAIN, FALSE ) ; // Disable the player menu selections... WinEnableMenuItem ( hwndMenu, IDM_VDP_PLAY_FORWARD, FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_PLAY_REVERSE, FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_STOP , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_SEEK , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_INFO_DISPLAY, FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_AUDIO , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_STATUS , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_SPIN , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_CLOSE_DEVICE, FALSE ) ; break; case WM_ACTIVATE: // If we are activating... if ( SHORT1FROMMP ( mp1 ) ) { // Check the videodisc player device... if ( ppiCurrent != NULL ) { // If the device is open and we do not own it...then acquire it... if ( (ppiCurrent->wDeviceID != 0 ) && ( !ppiCurrent->fOwnDevice ) ) { AcquireDevice ( ppiCurrent->wDeviceID, 0 ) ; } } } break; case WM_HELP: // Display help window when F1 is pressed... WinDlgBox(HWND_DESKTOP, hwnd, DevHelpInfoDlgProc, (HMODULE) 0, ID_HELP_INFO_DLG, 0); break; // *************************** // *** Menu item selections... // *************************** case WM_COMMAND: // Initialize pointer to video window info... pvi = &paiMain->vwiInfo ; // Extract the command value usCommand = SHORT1FROMMP (mp1); switch ( usCommand ) { //*************************************** //*** MODE Submenu... //*************************************** case IDM_OVLY_ADJUST_SOURCE_AREA: // Show the wait pointer... fShowWaitPointer = TRUE ; WinSetPointer( HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP,SPTR_WAIT,FALSE)); // If we are NOT already in adjust-source-size mode... // ...then change to that mode... if ( pvi->ActionMode != VVK_AM_ADJUST_SOURCE_AREA ) { ChangeActionMode ( pvi, VVK_AM_ADJUST_SOURCE_AREA ) ; } // If the source control dialog is not already active... // ...then make it active... if ( paiMain->hwndSourceDlg == 0 ) { // Create the source control dialog... CreateSourceControlDialog ( pvi, TRUE ) ; } // Clear the wait pointer... fShowWaitPointer = FALSE ; break; case IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO: // If we are NOT already in maintain-client-aspect-ration mode... if ( pvi->ActionMode != VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { // Show the wait pointer... fShowWaitPointer = TRUE ; WinSetPointer( HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP,SPTR_WAIT,FALSE)); // Close the source control dialog if it is active... if ( paiMain->hwndSourceDlg ) { WinDestroyWindow ( paiMain->hwndSourceDlg ) ; } // Change to the new action mode... ChangeActionMode ( &paiMain->vwiInfo, VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) ; // Clear the wait pointer... fShowWaitPointer = FALSE ; } break; //************************************* //*** PLAYER SUBMENU OPTIONS //************************************* case IDM_VDP_OPEN_DEVICE : // If already open then display a message... if ( ppiCurrent->wDeviceID != 0 ) { DisplayMessage ("Player already opened"); } // Else try the open... else { // Show the wait pointer... fShowWaitPointer = TRUE ; WinSetPointer( HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP,SPTR_WAIT,FALSE)); // Try the open... fFailed = OpenDevice ( ( LPSTR )ppiCurrent->szDeviceName, ( LPSTR )ppiCurrent->szDeviceAlias, MCI_WAIT | MCI_OPEN_SHAREABLE, &ppiCurrent->wDeviceID ) ; // Clear the wait pointer... fShowWaitPointer = FALSE ; // If the open failed... if ( fFailed ) { // Tell the user... DisplayMessage ("Open Player FAILED"); } else { // Remember some values for this player...These are the default // values upon opening... ppiCurrent->fAudioAllOn = TRUE ; ppiCurrent->fInfoDisplayOn = FALSE ; ppiCurrent->fDoorClosed = TRUE ; ppiCurrent->fSpunUp = TRUE ; // Disable the "open device" menu selection... WinEnableMenuItem ( hwndMenu, IDM_VDP_OPEN_DEVICE, FALSE ) ; // Enable the player menu selections... WinEnableMenuItem ( hwndMenu, IDM_VDP_PLAY_FORWARD, TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_PLAY_REVERSE, TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_STOP , TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_SEEK , TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_INFO_DISPLAY, TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_AUDIO , TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_STATUS , TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_SPIN , TRUE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_CLOSE_DEVICE, TRUE ) ; // Set check on for audio....is on upon open... WinCheckMenuItem ( hwndMenu, IDM_VDP_AUDIO, TRUE ) ; } } break; case IDM_VDP_CLOSE_DEVICE : // If not open then display a message... if ( ppiCurrent->wDeviceID == 0 ) { DisplayMessage ("Cannot close device, not open"); } // Else close... else { // Do the close... CloseDevice ( ppiCurrent->wDeviceID ) ; // Reset the handle... ppiCurrent->wDeviceID = 0 ; // Enable the "open device" menu selection... WinEnableMenuItem ( hwndMenu, IDM_VDP_OPEN_DEVICE, TRUE ) ; // Disable the other player menu selections... WinEnableMenuItem ( hwndMenu, IDM_VDP_PLAY_FORWARD, FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_PLAY_REVERSE, FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_STOP , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_SEEK , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_INFO_DISPLAY, FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_AUDIO , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_STATUS , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_SPIN , FALSE ) ; WinEnableMenuItem ( hwndMenu, IDM_VDP_CLOSE_DEVICE, FALSE ) ; // Uncheck audio and info display WinCheckMenuItem ( hwndMenu, IDM_VDP_AUDIO , FALSE ) ; WinCheckMenuItem ( hwndMenu, IDM_VDP_INFO_DISPLAY, FALSE ) ; } break; case IDM_VDP_PLAY_FORWARD : if ( VdpReady ( ppiCurrent->wDeviceID ) ) { VdpPlay ( ppiCurrent->wDeviceID, TRUE, 0, 0 ) ; } break; case IDM_VDP_PLAY_REVERSE : if ( VdpReady ( ppiCurrent->wDeviceID ) ) { VdpPlay ( ppiCurrent->wDeviceID, FALSE, 0, 0 ) ; } break; case IDM_VDP_PLAY_FROM_TO : break; case IDM_VDP_STOP : if ( VdpReady ( ppiCurrent->wDeviceID ) ) { VdpStop ( ppiCurrent->wDeviceID ) ; } break; case IDM_VDP_SEEK : if ( WinDlgBox ( HWND_DESKTOP, hwndFrame, ( PFNWP ) SeekDlgProc, ( HMODULE ) NULL, ( ULONG ) ID_DLG_SEEK, ( PVOID ) NULL ) ) { if ( VdpReady ( ppiCurrent->wDeviceID ) ) { VdpSeek ( ppiCurrent->wDeviceID, paiMain->SeekFrame,0,0,0); } } break ; case IDM_VDP_INFO_DISPLAY : // If info display is ON then set it OFF... // ...and vice versa... if ( ppiCurrent->fInfoDisplayOn ) { dwMciFlags = MCI_VD_SET_DISPLAY | MCI_SET_OFF ; ppiCurrent->fInfoDisplayOn = FALSE ; fCheck = FALSE ; } else { dwMciFlags = MCI_VD_SET_DISPLAY | MCI_SET_ON ; ppiCurrent->fInfoDisplayOn = TRUE ; fCheck = TRUE ; } VdpSetDisplay ( ppiCurrent->wDeviceID, dwMciFlags ) ; WinCheckMenuItem ( hwndMenu, IDM_VDP_INFO_DISPLAY, fCheck ) ; break ; case IDM_VDP_AUDIO : // If audio is ON then set it OFF... // ...and vice versa... if ( ppiCurrent->fAudioAllOn ) { dwMciFlags = MCI_SET_AUDIO | MCI_SET_OFF ; dwAudio = MCI_SET_AUDIO_ALL ; ppiCurrent->fAudioAllOn = FALSE ; fCheck = FALSE ; } else { dwMciFlags = MCI_SET_AUDIO | MCI_SET_ON ; dwAudio = MCI_SET_AUDIO_ALL ; ppiCurrent->fAudioAllOn = TRUE ; fCheck = TRUE ; } VdpSetAudio ( ppiCurrent->wDeviceID, dwMciFlags, dwAudio ) ; WinCheckMenuItem ( hwndMenu, IDM_VDP_AUDIO, fCheck ) ; break ; case IDM_VDP_STATUS: DisplayVideodiscStatus ( ppiCurrent->wDeviceID ) ; break ; case IDM_VDP_SPIN : // If the disc is spun up then spin it down... // ...and vice versa... if ( ppiCurrent->fSpunUp ) { dwMciFlags = MCI_SPIN_DOWN ; ppiCurrent->fSpunUp = FALSE ; pszText = "Spi~n Up" ; } else { dwMciFlags = MCI_SPIN_UP ; ppiCurrent->fSpunUp = TRUE ; ppiCurrent->fDoorClosed = TRUE ; // Spin up will close the door also... pszText = "Spi~n Down" ; } if ( VdpReady ( ppiCurrent->wDeviceID ) ) { VdpSpin ( ppiCurrent->wDeviceID, dwMciFlags ) ; } WinSetMenuItemText ( hwndMenu, IDM_VDP_SPIN, pszText ) ; break ; //*************************************** //*** VIDEO INPUT Submenu... //*************************************** case IDM_VID_INPUT_1: case IDM_VID_INPUT_2: case IDM_VID_INPUT_3: // Save the current value... OldVideoInput = paiMain->VideoInput ; NewVideoInput = ( usCommand - IDM_VID_INPUT_1 ) + 1 ; // If this is NOT a new video input...then take no further action if ( NewVideoInput == OldVideoInput ) { ; // Nothing here... } // Else this is a new video input else { // Change the video input... dwReturn = OvlSetInput ( paiMain->wOverlayDeviceID, NewVideoInput, MCI_VIDEO_IN_CONNECTOR ) ; // If the switch to a new video input was UNSUCCESSFUL... if ( LOUSHORT ( dwReturn ) != MCIERR_SUCCESS ) { ; // Do nothing further... } // Else the switch was successful... // ...We have many things to do...We are going to change // the values associated w/ the new video input: // source rectangle size, destination rectangle size, // action mode (constant-aspect-ratio or adjust-source-area), // window style, readout color... else { // Update the checkmarks on the Input menu... WinCheckMenuItem ( hwndMenu, ( OldVideoInput - 1 ) + IDM_VID_INPUT_1, FALSE ) ; paiMain->VideoInput = NewVideoInput ; WinCheckMenuItem ( hwndMenu, usCommand, TRUE ) ; //-------------------------------------------------------- // This section switches all the characteristics // associated with the video inputs 1, 2, and 3... // // Note the extra '{' '}' around this code section... // //-------------------------------------------------------- { PVIDEOWINDOWINFO pviOld, pviNew, pviCurrent ; LONG Index, Width, Height ; LONG OldStyle, NewStyle ; LONG FSMask, Active, Inactive ; PSZ *ppsz ; PRECTL prclFrame, prclDlg ; HWND hwndDlg ; BOOL fZoom, fEnableItems, fChangeBorder ; BOOL fShowChildWindow ; //-------------------------------------------------------- // ==> 1. Initialize... //-------------------------------------------------------- // Indicate that we are initializing.... paiMain->fInitializing = TRUE ; // Show the wait pointer instead of the arrow pointer... fShowWaitPointer = TRUE ; WinSetPointer( HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP,SPTR_WAIT,FALSE)); // Initialize... pviCurrent = &paiMain->vwiInfo ; //-------------------------------------------------------- // ==> 2. Save some current values to be used // when restoring later on... //-------------------------------------------------------- // Save the frame position relative to the desktop... pviCurrent->rclFrameOnDesktop = pviCurrent->rclFrame ; WinMapWindowPoints ( hwndFrame, HWND_DESKTOP, ( PPOINTL ) &pviCurrent->rclFrameOnDesktop, 2 ) ; // If we are in maintain-client-aspect-ratio mode... if ( pviCurrent->ActionMode == VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { // Indicate no source control dlg active... pviCurrent->fSrcControlDlgActive = FALSE ; } // Else we are in adjust-source-area mode... else { // If the dialog is active then remember the // appropriate information.... hwndDlg = paiMain->hwndSourceDlg ; if ( hwndDlg ) { pviCurrent->fSrcControlDlgActive = TRUE ; prclDlg = &pviCurrent->rclSrcControlDlg ; WinQueryWindowRect ( hwndDlg, prclDlg ) ; WinMapWindowPoints ( hwndDlg, HWND_DESKTOP, ( PPOINTL ) prclDlg, 2 ) ; } // Else remember that the dialog is not active... else { pviCurrent->fSrcControlDlgActive = FALSE ; } } //-------------------------------------------------------- // ==> 3. Save the old control block and copy in // the new one... //-------------------------------------------------------- // Save the old video window info block... // ...and copy in the new video window info block... pviOld = &paiMain->aviVideoSources [ OldVideoInput - 1 ] ; pviNew = &paiMain->aviVideoSources [ NewVideoInput - 1 ] ; *pviOld = *pviCurrent ; *pviCurrent = *pviNew ; // Get the old and new style locally...for easy ref... OldStyle = pviOld->Style ; NewStyle = pviNew->Style ; //-------------------------------------------------------- // ==> 4. Change the menu items and child window pos... //-------------------------------------------------------- // Uncheck the old checks for STYLE and READOUT... WinCheckMenuItem ( hwndMenu, pviOld->Style, FALSE ) ; WinCheckMenuItem ( hwndMenu, pviOld->Readout + IDM_RDTCLR_NONE, FALSE ) ; // Set the new checks for STYLE and READOUT... if ( pviCurrent->ActionMode == VVK_AM_ADJUST_SOURCE_AREA ) { WinCheckMenuItem ( hwndMenu, pviCurrent->Style, TRUE ) ; } WinCheckMenuItem ( hwndMenu, pviCurrent->Readout + IDM_RDTCLR_NONE, TRUE ) ; // Set the new child window pos...without affecting // whether it is hidden or shown... SetChildWindowPos ( hwndChild, pviCurrent ) ; // Set the text of the menu items to new values... // ...either the PAL window sizes or the NTSC window // sizes... for ( Index = 0, ppsz = pviCurrent->ppszWindowStrings ; Index < 9 ; Index++, ppsz++ ) { WinSetMenuItemText ( hwndMenu, IDM_VDW_CHILD + Index, *ppsz ) ; } //-------------------------------------------------------- // ==> 5. Handle transitions involved in going to // a different action mode...The "action mode" // is either the constant-aspect-ratio mode or // the adjust-source-area mode... //-------------------------------------------------------- // Init... fChangeBorder = FALSE ; // If we are changing to a different action mode... if ( pviCurrent->ActionMode != pviOld->ActionMode ) { // Remember to change the border... // ***Note: The sizing border is added/removed // *** under section 8 below depending on the // *** value of FSMask that we set here... fChangeBorder = TRUE ; // Set temporary variables based on the new mode... if (pviCurrent->ActionMode==VVK_AM_ADJUST_SOURCE_AREA ) { FSMask = 0 ; Active = IDM_OVLY_ADJUST_SOURCE_AREA ; Inactive = IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO; fEnableItems = TRUE ; } else { FSMask = FS_SIZEBORDER ; Active = IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO; Inactive = IDM_OVLY_ADJUST_SOURCE_AREA ; fEnableItems = FALSE ; } // Update menu check marks... WinCheckMenuItem ( hwndMenu, Active, TRUE ) ; WinCheckMenuItem ( hwndMenu, Inactive, FALSE ) ; // Enable or disable video window menuitem... WinEnableMenuItem (hwndMenu,IDM_VDW_MAIN,fEnableItems); } //-------------------------------------------------------- // ==> 6. "Take away" the source control dialog by // ==> hiding it or destroying it... //-------------------------------------------------------- // If the source control dialog from the old // input environment is active... if ( paiMain->hwndSourceDlg != 0 ) { // If the new environment also has the source // control dialog active...then hide the dialog... // if ( pviCurrent->fSrcControlDlgActive ) { WinSetWindowPos ( paiMain->hwndSourceDlg, 0L,0,0,0,0, SWP_HIDE ) ; } // Else destroy the dialog... else { WinDestroyWindow ( paiMain->hwndSourceDlg ) ; } } //-------------------------------------------------------- // ==> 7. Hide the frame window... //-------------------------------------------------------- WinSetWindowPos ( hwndFrame, 0L, 0, 0, 0, 0, SWP_HIDE ) ; //-------------------------------------------------------- // ==> 8. Update the size of the frame... //-------------------------------------------------------- // Add or remove sizing border... if ( fChangeBorder ) { WinSetWindowBits ( hwndFrame, QWL_STYLE, FSMask, FS_SIZEBORDER ) ; // Tell the frame to update itself... WinSendMsg ( hwndFrame, WM_UPDATEFRAME, ( MPARAM) FCF_SIZEBORDER, ( MPARAM ) 0 ) ; } // Change to the new frame position... prclFrame = &pviCurrent->rclFrameOnDesktop ; Width = ( prclFrame->xRight - prclFrame->xLeft ) ; Height = ( prclFrame->yTop - prclFrame->yBottom ) ; WinSetWindowPos ( hwndFrame, 0L, prclFrame->xLeft, prclFrame->yBottom, Width, Height, SWP_SIZE | SWP_MOVE ) ; // Query the frame rectangle coordinates.... WinQueryWindowRect ( hwndFrame, &pviCurrent->rclFrame ) ; // Change to new source rectangle... OvlPutSrcRect ( paiMain->wOverlayDeviceID, &pviCurrent->rclCurSrc, ( HWND ) 0 ) ; //-------------------------------------------------------- // ==> 9. Handle transitions involving the child // window... //-------------------------------------------------------- // Init... fShowChildWindow = FALSE ; // If neither the previous style nor the new style // is the child window...i.e. the client is the video // window for the old input and the new input... if ( OldStyle != IDM_VDW_CHILD && NewStyle != IDM_VDW_CHILD ) { // Make sure background color is transparent... // ...On initialization, the background was set // to CLR_BLK and may still be set so... pviCurrent->clrClientBG = CLR_PINK ; // Cause the client background to be filled on // the next WM_PAINT... fDoFill = TRUE ; } // Else if coming from a child window style // AND going to a child window style.... else if ( OldStyle == IDM_VDW_CHILD && NewStyle == IDM_VDW_CHILD ) { ; // Nothing to do here... } // Else if coming from a child window style to // some other style... else if ( OldStyle == IDM_VDW_CHILD ) { // Re-enable the white readout menu selection... WinEnableMenuItem (hwndMenu,IDM_RDTCLR_WHITE,TRUE) ; // Set the new background color.. pviCurrent->clrClientBG = CLR_PINK ; // Cause the client background to be filled on // the next WM_PAINT... fDoFill = TRUE ; // Hide the child window... WinSetWindowPos ( hwndChild, 0L, 0, 0, 0, 0, SWP_HIDE ) ; // Make the client window the new video window... OvlSetVideoWindow ( paiMain->wOverlayDeviceID, hwndClient ) ; } // Else coming from some other window style // to a child window style... else { // Disable the white readout menu selection... WinEnableMenuItem (hwndMenu,IDM_RDTCLR_WHITE,FALSE); // Set the new background color.. pviCurrent->clrClientBG = CLR_WHITE ; // Cause the client background to be filled on // the next WM_PAINT... //fDoFill = TRUE ; // Make the child the video window... OvlSetVideoWindow ( paiMain->wOverlayDeviceID, hwndChild ) ; // Show the child window... fShowChildWindow = TRUE ; //WinSetWindowPos ( hwndChild, 0L, // 0, 0, 0, 0, SWP_SHOW ) ; } //-------------------------------------------------------- // ==> 10. Show the frame window... //-------------------------------------------------------- WinSetWindowPos ( hwndFrame, 0L, 0, 0, 0, 0, SWP_SHOW ) ; // Show the child window... if ( fShowChildWindow ) { WinSetWindowPos ( hwndChild, 0L, 0, 0, 0, 0, SWP_SHOW ) ; } //-------------------------------------------------------- // ==> 11. Restore the source control dialog... // //-------------------------------------------------------- // If the new mode is constant-aspect-ratio... if (pviCurrent->ActionMode == VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { ; // Nothing to do here... } // Else the mode is adjust-source-area else { // If the new environment uses the source control // dialog... if ( pviCurrent->fSrcControlDlgActive ) { // If the source control dialog is NOT alive... // ...then create it... if ( paiMain->hwndSourceDlg == 0 ) { // Put up the source control dialog... // ...also remember/restore the zoom // state, which gets forced to TRUE // during the function call... fZoom = pviCurrent->fZoom ; CreateSourceControlDialog (pviCurrent,FALSE) ; pviCurrent->fZoom = fZoom ; // If the zoom state is FALSE...i.e. if // we are in STRETCH mode... // ...then toggle to stretch mode... if ( !pviCurrent->fZoom ) { ToggleSourceControlDialog ( paiMain->hwndSourceDlg, pviCurrent ) ; } // Now show it... WinSetWindowPos ( paiMain->hwndSourceDlg, 0L,0,0,0,0,SWP_SHOW ) ; } // Else adjust it...and show it... else { // Get a copy of the (possibly new) handle... hwndDlg = paiMain->hwndSourceDlg ; // If the new source control dialog mode // (i.e. ZOOM or STRETCH) is not the same // as the old one.... // Then toggle to the new mode... if ( pviCurrent->fZoom != pviOld->fZoom ) { ToggleSourceControlDialog ( hwndDlg, pviCurrent ) ; } // Else the mode (ZOOM or STRETCH) is the // same but all the values are different... // ...update the source control dialog... // ...it is currently hidden... else { UpdateSourceArea ( hwndDlg, pviCurrent ) ; UpdatePanScrollBarCharacteristics ( hwndDlg, pviCurrent ) ; UpdateSourceZoomCharacteristics ( hwndDlg, pviCurrent ) ; UpdateHorzStretchCharacteristics ( hwndDlg, pviCurrent ) ; UpdateVertStretchCharacteristics ( hwndDlg, pviCurrent ) ; } // Restore the previous position of the dlg... // ...and show it... prclDlg = &pviCurrent->rclSrcControlDlg ; WinSetWindowPos ( hwndDlg, 0L , prclDlg->xLeft, prclDlg->yBottom, 0, 0, SWP_MOVE | SWP_SHOW ) ; } } } //-------------------------------------------------------- // ==> 12. Done...Clean up... //-------------------------------------------------------- // Stop showing the wait pointer... fShowWaitPointer = FALSE ; // Indicate that we finished initializing.... paiMain->fInitializing = FALSE ; // Update the window... WinInvalidateRect ( hwndClient, NULL, FALSE ) ; WinUpdateWindow ( hwndClient ) ; } // End of the embedded section... } // End of the big ELSE statement... } break; //*************************************** //*** VIDEO WINDOW submenu... //*************************************** case IDM_VDW_CHILD : case IDM_VDW_CLIENT_FULL_EXTENT : case IDM_VDW_CLIENT_04TH_EXTENT : case IDM_VDW_CLIENT_16TH_EXTENT : case IDM_VDW_CLIENT_64TH_EXTENT : case IDM_VDW_CLIENT_ARBITRARY_1 : case IDM_VDW_CLIENT_ARBITRARY_2 : case IDM_VDW_CLIENT_ARBITRARY_3 : ChangeVideoWindowStyle ( &paiMain->vwiInfo, paiMain->vwiInfo.Style, usCommand ) ; break; //*************************************** //*** READOUTS Submenu... //*************************************** */ case IDM_RDTCLR_NONE : case IDM_RDTCLR_WHITE : case IDM_RDTCLR_YELLOW: case IDM_RDTCLR_CYAN : case IDM_RDTCLR_BLACK : // Reset the saved value...throw it away... pvi->SaveReadout = VVK_RO_NONE ; // Save the old value... OldReadout = pvi->Readout ; // Set the new value pvi->Readout = VVK_RO_NONE + ( usCommand - IDM_RDTCLR_NONE ) ; // Set the new foreground color...a value of "none" does // not change the foreground color... MapReadoutToClr ( pvi->Readout, &pvi->clrClientFG ) ; // Uncheck the old menu item...and check the new one... WinCheckMenuItem ( hwndMenu, IDM_RDTCLR_NONE + OldReadout, FALSE ) ; WinCheckMenuItem ( hwndMenu, usCommand, TRUE ) ; // Re-paint the client... WinInvalidateRect ( hwndClient, NULL, FALSE ) ; WinUpdateWindow ( hwndClient ) ; break; //******************************* //*** HELP SUBMENU OPTIONS //******************************* case IDM_HELPITEM: WinDlgBox(HWND_DESKTOP, hwnd, DevHelpInfoDlgProc, (HMODULE) 0, ID_HELP_INFO_DLG, 0); break; case IDM_ABOUT: WinDlgBox( HWND_DESKTOP, HWND_DESKTOP, ( PFNWP )ProdInfoDlgProc, ( HMODULE ) 0, ID_DLG_PRODINFO, NULL ); break; default: return WinDefWindowProc( hwnd, msg, mp1, mp2 ); } break; case MM_MCIPASSDEVICE: { WORD wDeviceID ; USHORT usPassCommand ; SZ szText [ 60 ] ; // Get the device id and the passdevice-command... wDeviceID = SHORT1FROMMP ( mp1 ) ; usPassCommand = SHORT1FROMMP ( mp2 ); // If overlay device.... if ( wDeviceID == paiMain->wOverlayDeviceID ) { // Overlay device processing would go here... // ...but the overlay device code for the video // window will automatically try to acquire the // device when it receives a WM_ACTIVATE... switch (usPassCommand) { case MCI_LOSING_USE: paiMain->fOwnDevice = FALSE ; sprintf ( szText, "Losing use of Overlay\n" "Overlay Device %d", wDeviceID ) ; // ***UNCOMMENT the next line if you want to see the message... //DisplayPassDeviceMessage ( szText ) ; break; case MCI_GAINING_USE: paiMain->fOwnDevice = TRUE ; sprintf ( szText, "Gaining use of Overlay\n" "Overlay Device %d", wDeviceID ) ; // ***UNCOMMENT the next line if you want to see the message... //DisplayPassDeviceMessage ( szText ) ; // Check overlay device... if ( !paiMain->vwiInfo.fInitialized ) { InitializeVideoWindowInfo ( &paiMain->vwiInfo, paiMain->VideoInput ) ; paiMain->vwiInfo.fInitialized = TRUE ; } break; default: // This should not occur... //sprintf ( szText, "Unknown Message, Overlay\n" // "Device %d\n" // "Message %d", // usPassCommand, wDeviceID ) ; //DisplayPassDeviceMessage ( szText ) ; break; } } // Else if videodisc player device... else if ( wDeviceID == ppiCurrent->wDeviceID ) { switch (usPassCommand) { case MCI_LOSING_USE: ppiCurrent->fOwnDevice = FALSE ; sprintf ( szText, "Losing use of Videodisc\n" "Player Device %d", wDeviceID ) ; // ***UNCOMMENT the next line if you want to see the message... //DisplayPassDeviceMessage ( szText ) ; break; case MCI_GAINING_USE: ppiCurrent->fOwnDevice = TRUE ; sprintf ( szText, "Gaining use of Videodisc\n" "Player Device %d", wDeviceID ) ; // ***UNCOMMENT the next line if you want to see the message... //DisplayPassDeviceMessage ( szText ) ; break; default: // This should not occur... //sprintf ( szText, "Unknown Message, Videodisc\n" // "Player Device %d\n" // "Message %d", // usPassCommand, wDeviceID ) ; //DisplayPassDeviceMessage ( szText ) ; break; } } } break; case WM_MINMAXFRAME: // Get access to SWP structure... pswp = ( PSWP ) mp1 ; // If minimizing... if ( pswp->fl & SWP_MINIMIZE ) { // Set "minimized flag so our WM_SIZE/WM_MOVE processing will // not interfere with the appearance of the icon... paiMain->fMinimized = TRUE ; } // Else if restoring and was minimized...then enable normal // sizing operation... else if ( pswp->fl & SWP_RESTORE && paiMain->fMinimized ) { paiMain->fMinimized = FALSE ; } // Else if maximizing... else if ( pswp->fl & SWP_MAXIMIZE ) { // If in maintain-client-aspect-ratio mode... if ( paiMain->vwiInfo.ActionMode == VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { // Display a hopefully helpful message... WinMessageBox ( HWND_DESKTOP, HWND_DESKTOP, (PCH) szFullScreenMessage, ( PCH ) "Full Screen Client Area", ID_MESSAGEBOX, MB_OK | MB_SYSTEMMODAL | MB_ICONEXCLAMATION ); } // Else in adjust-source-area mode... else { // If the source area is less than the destination area // then we need to increase the size of the source area // to match the destination area... ; // Need to add code here...Exercise for user! } } return (MRESULT)FALSE; case WM_ERASEBACKGROUND: // Paint the window background in the current client color... // // Notice that only the area that needs updating gets updated... // ...compare WM_PAINT, where displaying by the overlay device // sometimes invalidates the entire window rectangle... WinFillRect((HPS)mp1, (PRECTL)mp2, paiMain->vwiInfo.clrClientBG ) ; return (MRESULT)FALSE ; case WM_MOVE: // Get pointer to current video window information... pvi = &paiMain->vwiInfo ; // Store frame position... WinQueryWindowRect ( hwndFrame, &pvi->rclFrame ) ; // Update the absolute position of the client area... pvi->rclClientOnDesktop = pvi->rclClient ; WinMapWindowPoints ( hwndClient, HWND_DESKTOP, ( PPOINTL ) &pvi->rclClientOnDesktop, 2 ) ; // If the child of the client is the video window, and the readouts // are active, then force a paint so that the readouts will be // updated. if ( pvi->Style == IDM_VDW_CHILD && pvi->Readout != VVK_RO_NONE ) { WinInvalidateRect ( hwndClient, NULL, FALSE ) ; WinUpdateWindow ( hwndClient ) ; } break ; case WM_SIZE: // If minimizing then do not do the activity below...it interferes // with the appearance of the icon... if ( paiMain->fMinimized ) { break ; } // If this WM_SIZE call is due to the WinSetWindowPos() call // that sets the frame size....then ignore this call... if ( paiMain->fSettingFramePos ) { break ; } // Get pointer to current video window information... pvi = &paiMain->vwiInfo ; // Save the old client size in client coordinates and desktop coordinates... rclOldClient = pvi->rclClient ; rclOldClientOnDesktop = pvi->rclClientOnDesktop ; // Store the new client rectangle... prcl = &pvi->rclClient ; prcl->xLeft = 0 ; prcl->xRight = ( SHORT1FROMMP ( mp2 ) - 1 ) ; prcl->yBottom = 0 ; prcl->yTop = ( SHORT2FROMMP ( mp2 ) - 1 ) ; // Also store the new client rectangle in desktop coordinates... pvi->rclClientOnDesktop = pvi->rclClient ; WinMapWindowPoints ( hwndClient, HWND_DESKTOP, ( PPOINTL ) &pvi->rclClientOnDesktop, 2 ) ; // If we are in maintain-client-aspect-ratio mode... if ( !paiMain->fInitializing && pvi->ActionMode == VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ) { // Map the new rectangle to the nearest proportionally sized rectangle... // // The choice for a min rectangle is arbitrary...we are using // the size of our smallest selectable rectangle as the min... // ...the actual min destination rectangle imposed by the // hardware is 4 pels x 1 pel... // prclMin = &pvi->rclMinClient ; MinWidth = ( prclMin->xRight - prclMin->xLeft ) + 1 ; MinHeight = ( prclMin->yTop - prclMin->yBottom ) + 1 ; prclMax = &pvi->rclCurSrc ; MaxWidth = ( prclMax->xRight - prclMax->xLeft ) + 1 ; MaxHeight = ( prclMax->yTop - prclMax->yBottom ) + 1 ; rclNew = pvi->rclClientOnDesktop ; fSuccess = MapRectToProRect ( &rclOldClientOnDesktop, &rclNew, &rclResult, pvi->SrcAspectX, pvi->SrcAspectY, MinWidth, MinHeight, MaxWidth, MaxHeight ) ; // If successful... if ( fSuccess ) { // Store new client size...in client coords and desktop coords... pvi->rclClientOnDesktop = rclResult ; pvi->rclClient = rclResult ; WinMapWindowPoints ( HWND_DESKTOP, hwndClient, ( PPOINTL ) &pvi->rclClient, 2 ) ; // Calculate the equivalent frame rectangle...still in // world coordinates... rclNewFrame = pvi->rclClientOnDesktop ; WinCalcFrameRect ( hwndFrame, &rclNewFrame, FALSE ) ; // Set the frame to the newly calculated position... // NOTE: The call below will result in another WM_SIZE // call to this window procedure....We set // paiMain->fSettingFramePos to TRUE to indicate that // we can ignore that particular WM_SIZE call... paiMain->fSettingFramePos = TRUE ; prcl = &rclNewFrame ; WinSetWindowPos ( hwndFrame, 0L , prcl->xLeft, prcl->yBottom, ( prcl->xRight - prcl->xLeft ) + 1, ( prcl->yTop - prcl->yBottom ) + 1, SWP_MOVE | SWP_SIZE ) ; paiMain->fSettingFramePos = FALSE ; // Query and store the frame position.... // Get the frame rectangle coordinates.... WinQueryWindowRect ( hwndFrame, &pvi->rclFrame ) ; } } break ; case WM_PAINT: { // If the client is a video window... // 1) We will see MORE WM_PAINTS than we would normally // expect. // 2) We will see the ENTIRE WINDOW invalidated when // we otherwise wd not expect it. For example, // a WM_PAINT following a WM_MOVE... // HPS hps ; RECTL rcl ; // Display the readout values... hps = WinBeginPaint ( hwnd, (HPS)NULL, &rcl ) ; if ( !paiMain->fInitializing ) { // Under some conditions fill the entire area... if ( fDoFill ) { fDoFill = FALSE ; WinFillRect ( hps, &rcl, paiMain->vwiInfo.clrClientBG ) ; } // If the readouts are active then display them... DisplayValuesInClientArea ( hps, &paiMain->vwiInfo ) ; } WinEndPaint ( hps ) ; } break; case WM_CONTROLPOINTER: if ( fShowWaitPointer ) { return ( MRESULT ) WinQuerySysPointer( HWND_DESKTOP, SPTR_WAIT, FALSE ) ; } return WinDefWindowProc( hwnd, msg, mp1, mp2 ); case WM_MOUSEMOVE: if ( fShowWaitPointer ) { HPOINTER hptrWait ; hptrWait = WinQuerySysPointer( HWND_DESKTOP, SPTR_WAIT, FALSE ); WinSetPointer( HWND_DESKTOP, hptrWait ); return ( MRESULT ) TRUE ; } return WinDefWindowProc( hwnd, msg, mp1, mp2 ); case WM_CLOSE: // Close any open dialog windows... if ( paiMain->hwndSourceDlg ) { WinDestroyWindow ( paiMain->hwndSourceDlg ) ; } // Cause termination... WinPostMsg( hwnd, WM_QUIT, NULL, NULL); break; default: // Must have WinDefWindowProc in your window procedure return WinDefWindowProc( hwnd, msg, mp1, mp2 ); } return (MRESULT) FALSE; } //----------------------------------------------------------------------------- // Name: SeekDlgProc // // Description: Processes messages for Seek dialog // // Concepts: Gets a numerical input and returns. // // Parameters: Std dialog proc parms // // Returns: Std dialog proc returns // //----------------------------------------------------------------------------- MRESULT EXPENTRY SeekDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) { USHORT usSeekFrame = 1; BOOL fSuccess ; switch(msg) { case WM_INITDLG : // Limit text input to 5 characters... WinSendDlgItemMsg ( hwnd, ID_SEEK_ENTRY_FIELD, EM_SETTEXTLIMIT, MPFROM2SHORT ( 5, 0), NULL ) ; // Show the current seek value... WinSetDlgItemShort ( hwnd, ID_SEEK_ENTRY_FIELD, ( USHORT ) paiMain->SeekFrame, FALSE ) ; return ( MRESULT ) 0 ; case WM_COMMAND : // Switch on the command... switch ( SHORT1FROMMP ( mp1 ) ) { // User selected "OK"...so we process the contents of the // entry field...and close if they are valid... case DID_OK: // Init... fSuccess = FALSE ; // If the entry field changed... if ( WinSendDlgItemMsg ( hwnd, ID_SEEK_ENTRY_FIELD, EM_QUERYCHANGED, ( MPARAM ) 0, ( MPARAM) 0 ) ) { fSuccess = WinQueryDlgItemShort ( hwnd, ID_SEEK_ENTRY_FIELD, ( PSHORT ) &usSeekFrame, FALSE ) ; if ( usSeekFrame <= 0 || usSeekFrame > 54000 ) { fSuccess = FALSE ; } } if ( fSuccess ) { paiMain->SeekFrame = ( LONG ) usSeekFrame ; WinDismissDlg ( hwnd, TRUE ) ; } break; // User selected "CANCEL"...so we close the dialog...without // saving the value... case DID_CANCEL: WinDismissDlg ( hwnd, FALSE ) ; break; } return ( MRESULT ) 0 ; default: return(WinDefDlgProc(hwnd, msg, mp1, mp2)); } return (MRESULT)0; } //----------------------------------------------------------------------------- // Name: ProdInfoDlgProc // // Description: Processes all messages sent to the Product Information dialog box. // // Concepts: Gets a numerical input and returns. // // Parameters: Std dialog proc parms // // Returns: Std dialog proc returns // //----------------------------------------------------------------------------- MRESULT EXPENTRY ProdInfoDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) { switch(msg) { case WM_INITDLG: // If initializing...Start a timer...when it pops we will return... if ( paiMain->fInitializing ) { WinStartTimer ( hab, hwnd, ID_TIMER, 2000 ) ; } break; case WM_COMMAND: // No matter what the command, close the dialog... WinDismissDlg ( hwnd, TRUE ) ; break; case WM_TIMER: // Free the timer and close the dialog... WinStopTimer ( hab, hwnd, ID_TIMER ) ; WinDismissDlg ( hwnd, TRUE ) ; break; default: return(WinDefDlgProc(hwnd, msg, mp1, mp2)); } return (MRESULT)0; } //----------------------------------------------------------------------------- // Name: DevHelpInfoDlgProc() // // Description: This dialog procedure handles the dialog help window. // It displays a window with a list box where the help information // text is displayed. The list box is scrollable. The dialog box // has a system menu only. Thus, the user must close it from the // system menu. // // Concepts: // Gets a numerical input and returns. // // Parameters: Std dialog proc parms // // Returns: Std dialog proc returns // //----------------------------------------------------------------------------- MRESULT EXPENTRY DevHelpInfoDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ) { int count; COLOR TransColor = CLR_PALEGRAY; CHAR szTempStr[100]; LONG TitleBarHeight, DlgBorderHeight, DlgBorderWidth ; SWP swpListbox, swpDlg ; switch ( msg ) { case WM_INITDLG: // Show SPTR_WAIT pointer... fShowWaitPointer = TRUE ; WinSetPointer( HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP,SPTR_WAIT,FALSE)); // Create help dialog and insert the lines of text... for ( count=0 ; count See VIDVIEW2.C //*** //***************************************************************************** //***************************************************************************** //----------------------------------------------------------------------------- // // Name: OpenDevice // // Description: Opens an MCI device... // // Concepts: Opens w/ specified device name and alias // // If you are having trouble opening check your use // of MCI_OPEN_SHAREABLE. // // Parameters: lpstrDevName - name // // lpstrDevAlias - alias // // dwMciFlags - MCI_* flags // // pwDeviceID - returns device id from open // // Returns: FALSE if successful, TRUE otherwise... // //----------------------------------------------------------------------------- DWORD OpenDevice ( LPSTR lpstrDevName, LPSTR lpstrDevAlias, DWORD dwMciFlags, WORD *pwDeviceID) { MCI_VID_OPEN_PARMS mciOpenParms; WORD wUserParm = 0; DWORD dwReturnCode; // NOTE: *** Specify a return address for dwCallback if you want to see // *** MM_MCIPASSDEVICE and/or MM_MCINOTIFY notify messages. // mciOpenParms.dwCallback = (DWORD)hwndNotify; mciOpenParms.wDeviceID = 0; mciOpenParms.lpstrDeviceType = lpstrDevName; mciOpenParms.lpstrElementName = 0; mciOpenParms.lpstrAlias = lpstrDevAlias; mciOpenParms.hwndParent = 0; dwReturnCode = mciSendCommand(0, MCI_OPEN, MCI_OPEN_ALIAS | dwMciFlags, (DWORD)&mciOpenParms, wUserParm); if (LOUSHORT(dwReturnCode) == MCIERR_SUCCESS) { *pwDeviceID = mciOpenParms.wDeviceID; return (FALSE); } return (TRUE); } //----------------------------------------------------------------------------- // // Name: CloseDevice // // Description: Closes an open MCI device... // // Concepts: Uses generic parm structure. // // Parameters: wDeviceID - id of dev to be closed // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD CloseDevice (WORD wDeviceID) { MCI_GENERIC_PARMS mciGenericParms; WORD wUserParm = 0; DWORD dwReturnCode; mciGenericParms.dwCallback = (DWORD)hwndNotify; dwReturnCode = mciSendCommand(wDeviceID, MCI_CLOSE, MCI_WAIT, (DWORD)&mciGenericParms, wUserParm); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: AcquireDevice() // // Description: Acquires an MCI device // // Concepts: If the device is opened shareable, another application // can acquire it from you, and vice versa. // // Acquiring is an intentional deed; losing may be // without your knowledge (unless you specify a callback // address on the open, and detect MCI_PASSDEVICE messages). // // Parameters: wDeviceID - to acquire // dwExclusive - exclusive acquire // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD AcquireDevice (WORD wDeviceID, DWORD dwExclusive) { MCI_GENERIC_PARMS mciGenericParms; WORD wUserParm = 0; DWORD dwReturnCode; mciGenericParms.dwCallback = (DWORD)hwndNotify; dwReturnCode = mciSendCommand(wDeviceID, MCI_ACQUIREDEVICE, MCI_WAIT | dwExclusive, (DWORD)&mciGenericParms, wUserParm); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: ReleaseDevice() // // Description: Releases an MCI device // // Concepts: Opposite of acquire, see note to AcquireDevice() // // Parameters: wDeviceID - the device id // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD ReleaseDevice (WORD wDeviceID) { MCI_GENERIC_PARMS mciGenericParms; WORD wUserParm = 0; DWORD dwReturnCode; mciGenericParms.dwCallback = (DWORD)hwndNotify; dwReturnCode = mciSendCommand(wDeviceID, MCI_RELEASEDEVICE, MCI_WAIT, (DWORD)&mciGenericParms, wUserParm); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: VdpPlay // // Description: Plays the videodisc player forward or backward. // // Concepts: You can specify EITHER a starting and ending location // OR a direction (forward or backward)... // // Parameters: wDeviceID - the device // fFoward - TRUE if forward, FALSE is backward // dwFromFrame - starting location // dwToFrame - ending location // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD VdpPlay ( WORD wDeviceID, BOOL fForward, DWORD dwFromFrame, DWORD dwToFrame ) { MCI_VD_PLAY_PARMS mciVdPlayParms ; DWORD dwMciFlags = 0 ; DWORD dwReturnCode; // Send an MCI_PLAY command... memset ( &mciVdPlayParms, 0x00, sizeof ( MCI_VD_PLAY_PARMS ) ) ; mciVdPlayParms.dwFrom = dwFromFrame ; mciVdPlayParms.dwTo = dwToFrame ; mciVdPlayParms.dwFactor = 0 ; if ( !fForward ) { dwMciFlags = MCI_VD_PLAY_REVERSE ; } dwReturnCode = mciSendCommand ( wDeviceID, MCI_PLAY, dwMciFlags, ( DWORD )&mciVdPlayParms, 0 ) ; return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: VdpSeek // // Description: Seeks the videodisc player forward or backward. // // Concepts: Specify a location, or a flag such as MCI_TO_START, // MCI_TO_END, MCI_VD_SEEK_REVERSE // // Parameters: wDeviceID - the device // // SeekFrame - the destination // // dwMciFlags - any additional flags // // hwndCallback - callback address // // Returns: Return code from MciSendCommand() // //----------------------------------------------------------------------------- DWORD VdpSeek ( WORD wDeviceID, LONG SeekFrame, DWORD dwMciFlags, HWND hwndCallback, WORD wUserParm ) { MCI_SEEK_PARMS mciSeekParms ; DWORD dwReturnCode; // Send an MCI_SEEK command... memset ( &mciSeekParms, 0x00, sizeof ( MCI_SEEK_PARMS ) ) ; mciSeekParms.dwCallback = ( DWORD ) hwndCallback ; mciSeekParms.dwTo = SeekFrame ; dwReturnCode = mciSendCommand ( wDeviceID, MCI_SEEK, dwMciFlags | MCI_TO, ( DWORD )&mciSeekParms, wUserParm ) ; return dwReturnCode ; } //----------------------------------------------------------------------------- // // Name: VdpStop // // Description: Stops the player. // // Concepts: Works whether player is playing, seeking, or already stopped. // // Note: MCP/2 videodisc player drivers do NOT automatically // turn off the video when the player is stopped. // // Parameters: wDeviceID - the device // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD VdpStop ( WORD wDeviceID ) { MCI_GENERIC_PARMS mciGenericParms; DWORD dwReturnCode; // Send an MCI_STOP command... memset ( &mciGenericParms, 0x00, sizeof ( MCI_GENERIC_PARMS ) ) ; dwReturnCode = mciSendCommand ( wDeviceID, MCI_STOP, 0, ( DWORD ) &mciGenericParms, 0 ); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: VdpSpin // // Description: Spins the player up or down. // // Concepts: This is a time-consuming process, so you probably want // to specify MCI_NOTIFY and a callback address to be // notified when the operation is done. Or the app // can monitor the player status usng MCI_VDP_GET_MODE // until the mode becomes MCI_VDP_MODE_PARKED (spun down) // or MCI_VDP_MODE_STILL (spun up and not moving). // // Parameters: wDeviceID - the device // // dwMciFlags - such as MCI_NOTIFY // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD VdpSpin ( WORD wDeviceID, DWORD dwMciFlags ) { MCI_GENERIC_PARMS mciGenericParms; DWORD dwReturnCode; // Send an MCI_SPIN_UP or MCI_SPIN_DOWN command... memset ( &mciGenericParms, 0x00, sizeof ( MCI_GENERIC_PARMS ) ) ; dwReturnCode = mciSendCommand ( wDeviceID, MCI_SPIN, dwMciFlags, ( DWORD )&mciGenericParms, 0 ); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: VdpSetDisplay // // Description: Sets player info display on or off // // Concepts: This is a frame-number display done by the player itself. // // Parameters: wDeviceID - the device // // dwMciFlags - This is a very quick operation; you can very // probably get by w/out specifying MCI_NOTIFY // or MCI_WAIT. // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD VdpSetDisplay ( WORD wDeviceID, DWORD dwMciFlags ) { MCI_VD_SET_PARMS mciVdSetParms ; DWORD dwReturnCode ; // Send an MCI_SET command to switch the information display on or off... memset ( &mciVdSetParms, 0x00, sizeof ( MCI_VD_SET_PARMS ) ) ; dwReturnCode = mciSendCommand( wDeviceID, MCI_SET, dwMciFlags, ( DWORD )&mciVdSetParms, 0 ); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: VdpReady() // // Description: Simple error-check-and-recovery function. // // Concepts: Here we treat the player as if it were a printer; // before "printing", we ask the "printer" if it is ready; // if not, then we prompt the user to check the device. // // Parameters: wDeviceID - the device // // Returns: TRUE if successful, else FALSE // //----------------------------------------------------------------------------- BOOL VdpReady ( WORD wDeviceID ) { DWORD dwReturnCode, dwReturn ; // If we do not own the device then acquire it... // NOTE: This section is overkill, because we specifically re-acquire // the device in the WM_ACTIVATE call.... if ( !ppiCurrent->fOwnDevice ) { AcquireDevice ( wDeviceID, 0 ) ; } // Query the mode...a very quick call...the device constantly monitors // the mode... dwReturnCode = VdpGetStatus ( wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_MODE, &dwReturn ) ; // If successful call... if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // If the player is not ready then display an operator intervention // message... if ( dwReturn == MCI_MODE_NOT_READY ) { DisplayMessage ("The videodisc player is not ready. Please " "verify that the player is powered on and that " "a videodisc is loaded in it right side up; " "then retry the operation." ) ; return FALSE ; } } return TRUE ; } //----------------------------------------------------------------------------- // // Name: VdpGetStatus() // // Description: Returns status for specified videodisc player device item. // // ***SEE DisplayVideodiscStatus() for examples of how to // interpret data returned.*** // // Concepts: The overlay device constantly monitors the device, so // it can process a status call IMMEDIATELY w/out querying // the device. // // Parameters: wDeviceID - the device // // dwMciFlags - MCI_* flags // // dwItem - which MCI_STATUS option // // *pdwReturn - pointer to status value returned. // ***CALLER MUST ASSURE that this points // to a valid doubleword.*** // // Returns: Return code from mciSendCommand() // //----------------------------------------------------------------------------- DWORD VdpGetStatus ( WORD wDeviceID, DWORD dwMciFlags, DWORD dwItem, DWORD *pdwReturn ) { MCI_STATUS_PARMS mciStatusParms ; DWORD dwReturnCode ; // Set up the parm structure... memset ( &mciStatusParms, 0x00, sizeof ( MCI_STATUS_PARMS ) ) ; mciStatusParms.dwItem = dwItem ; mciStatusParms.dwValue = 0 ; // Do the MCI_STATUS call... dwReturnCode = mciSendCommand ( wDeviceID, MCI_STATUS, dwMciFlags, ( DWORD ) &mciStatusParms, 0 ); // Set the return value...and return... *pdwReturn = mciStatusParms.dwReturn ; return dwReturnCode ; } //----------------------------------------------------------------------------- // // Name: VdpGetCustomStatus() // // Description: Returns status videodisc status using custom command // MCI_VDP_GET_MODE. // // ***Note***: Be sure to include "lvdsys.h" when you use this... // // Concepts: The MCI_STATUS command w/ the MCI_STATUS_MODE option // returns 6 possible player states: stopped, playing, // not ready, paused, playing, seeking, or stopped. // // The MCI_VDP_GET_MODE command returns the same player states, // PLUS other states that MCI_STATUS_MODE treats as // equivalent to "stopped". The additional states are: // still (stopped, but video showing), parked, no_disc, // door open. // // Parameters: wDeviceID - the device // // dwMciFlags - MCI_* flags // // *pdwReturn - pointer to status value returned. // ***CALLER MUST ASSURE that this points // to a valid doubleword.*** // // Returns: Return code from mciSendCommand() // //----------------------------------------------------------------------------- DWORD VdpGetCustomStatus ( WORD wDeviceID, DWORD dwMciFlags, DWORD *pdwReturn ) { MCI_VDP_GET_MODE_PARMS mciGetModeParms ; DWORD dwReturnCode ; // Set up the parm structure... memset ( &mciGetModeParms, 0x00, sizeof ( MCI_VDP_GET_MODE_PARMS ) ) ; // Do the MCI_VDP_GET_MODE call... dwReturnCode = mciSendCommand ( wDeviceID, MCI_VDP_GET_MODE, dwMciFlags, ( DWORD ) &mciGetModeParms, 0 ); // Set the return value...and return... *pdwReturn = mciGetModeParms.dwReturn ; return dwReturnCode ; } //----------------------------------------------------------------------------- // Func: VdpSonySetEnd() // // Desc: Sets end of disc to specified frame where specified frame is // less than or equal to the last accessible frame on the videodisc. // // ***Note***: Be sure to include "lvdsys.h" when you use this... // ***Note***: Supported only with supported Sony players... // // Name: VdpSonySetEnd() // // Description: Sets end of disc to specified frame where specified frame is // less than or equal to the last accessible frame on the videodisc. // // ***Note***: Be sure to include "lvdsys.h" when you use this... // ***Note***: Supported only with supported Sony players... // // Concepts: With supported Sony players, driver cannot reliably // calculate last valid frame on spun up videodisc. // Default is frame 54000. // // This may causes a problem for commands such as "seek to end" // or "play" that use an end-of-disc value. If the Sony // seeks past the last valid frame on the disc, it "gets lost" // and usually resets itself to frame 1. The driver detects // this problem and sets the disc to frame 1. // // Application writer has the following other alternatives: // // (1) Know the last valid frame, or query it from user, // and use VdpSonySetEnd() to set actual-valid-frame // as last frame: for example, 43229. // // (2) Do not use play, seek, or step options that use // end-of-disc. // // Parameters: wDeviceID - the device // // dwMciFlags - MCI_* flags // // EndFrame - position to be used as end of frame, // ***specified in the current timer format*** // // Returns: Return code from mciSendCommand() // //----------------------------------------------------------------------------- DWORD VdpSonySetEnd ( WORD wDeviceID, DWORD dwMciFlags, DWORD EndFrame ) { MCI_VDP_SET_END_PARMS mciSetEndParms ; DWORD dwReturnCode ; // Set up the parm structure... memset ( &mciSetEndParms, 0x00, sizeof ( MCI_VDP_SET_END_PARMS ) ) ; mciSetEndParms.dwPosition = EndFrame ; // Do the MCI_VDP_SET_END call...and return... dwReturnCode = mciSendCommand ( wDeviceID, MCI_VDP_SET_END, dwMciFlags, ( DWORD ) &mciSetEndParms, 0 ); return dwReturnCode ; } //----------------------------------------------------------------------------- // // Name: DisplayVideodiscStatus() // // Description: Illustrates various ways of fetching and interpreting // videodisc status via MCI_STATUS calls. // // ***Note***: Be sure to include "lvdsys.h" when you use this... // // Concepts: Many status options, many return formats. This function // tries to exemplify each format used by videodisc player device. // // Parameters: wDeviceID - the device // // Returns: 0; displays status values in message box... // //----------------------------------------------------------------------------- PSZ apszModeStrings [] = { "Not ready", "Paused", "Playing", "Stopped", "Recording", "Seeking" } ; PSZ apszGetModeStrings [] = { "Door Open", "No Disc", "Parked", "Still" } ; PSZ apszTimeFormatStrings [] = { "Milliseconds", "MMtime", "", "", "", "", "Chapters", "Frames", "HMS", "", "", "", "HMSF" } ; PSZ apszSpeedFormatStrings [] = { "Percentage", "FPS" } ; PSZ apszMediaTypeStrings [] = { "CLV", "CAV" } ; PSZ apszBooleanStrings [] = { "False", "True" } ; PSZ apszErrorStrings [] = { "Player cannot recognize side", "Player cannot recognize size" } ; DWORD DisplayVideodiscStatus ( WORD wDeviceID ) { DWORD dwReturn ; DWORD dwReturnCode ; CHAR szMessage [ 512 ] ; // PCHAR psz ; CHAR szNumeric [ 15 ] ; // Init.. szMessage [ 0 ] = '\0' ; //------------------------------------------------------------------------- // (1) This section processes items that return MCI_MODE_RETURN, // MCI_TIME_FORMAT_RETURN, MCI_SPEED_FORMAT_RETURN, or // MCI_MEDIA_TYPE_RETURN //------------------------------------------------------------------------- // Get MCI_MODE...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_MODE, &dwReturn ) ; strcat ( szMessage, "Mode: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_MODE_RETURN... // The dwReturn value is MCI_MODE_NOT_READY, MCI_MODE_PAUSE, // MCI_MODE_PLAY, MCI_MODE_STOP, or MCI_MODE_SEEK, strcat ( szMessage, apszModeStrings [ dwReturn - MCI_MODE_NOT_READY ] ) ; } // Get MCI_VDP_GET_MODE...and generate text for the value... dwReturnCode = VdpGetCustomStatus ( ppiCurrent->wDeviceID, 0, &dwReturn ) ; strcat ( szMessage, "\nGetMode: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_MODE_RETURN... // The dwReturn value is MCI_MODE_NOT_READY, MCI_MODE_PAUSE, // MCI_MODE_PLAY, MCI_MODE_STOP, or MCI_MODE_SEEK... // or a custom mode: MCI_VDP_MODE_DOOR_OPEN, MCI_VDP_MODE_NO_DISC, // MCI_VDP_MODE_PARKED, or MCI_VDP_MODE_STILL if ( dwReturn >= MCI_VDP_MODE_DOOR_OPEN && dwReturn <= MCI_VDP_MODE_STILL ) { strcat ( szMessage, apszGetModeStrings [ dwReturn - MCI_VDP_MODE_DOOR_OPEN ] ) ; } else { strcat ( szMessage, apszModeStrings [ dwReturn - MCI_MODE_NOT_READY ] ) ; } } // Get TIME FORMAT...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_TIME_FORMAT, &dwReturn ) ; strcat ( szMessage, "\nTime Format: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_TIME_FORMAT_RETURN... // The dwReturn value is one of these: // // MCI_FORMAT_MILLISECONDS // MCI_FORMAT_MMTIME // MCI_FORMAT_CHAPTERS // MCI_FORMAT_FRAMES // MCI_FORMAT_HMS // MCI_FORMAT_TRACKS // MCI_FORMAT_HMSF strcat ( szMessage, apszTimeFormatStrings [ dwReturn - MCI_FORMAT_MILLISECONDS ] ) ; } // Get SPEED FORMAT...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_SPEED_FORMAT, &dwReturn ) ; strcat ( szMessage, "\nSpeed Format: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_SPEED_FORMAT_RETURN... // The dwReturn value is one of these: // // MCI_FORMAT_PERCENTAGE // MCI_FORMAT_FPS strcat ( szMessage, apszSpeedFormatStrings [ dwReturn - MCI_FORMAT_PERCENTAGE ] ) ; } // Get MEDIA TYPE...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_VD_MEDIA_TYPE, &dwReturn ) ; strcat ( szMessage, "\nMedia Type: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_MEDIA_TYPE_RETURN... // The dwReturn value is MCI_VD_MEDIA_CAV or MCI_VD_MEDIA_CLV... strcat ( szMessage, apszMediaTypeStrings [ dwReturn - MCI_VD_MEDIA_CLV ] ) ; } //------------------------------------------------------------------------- // (2) This section processes items that return MCI_INTEGER_RETURNED, // MCI_COLONIZED2_RETURN, MCI_COLONIZED3_RETURN, OR MCI_COLONIZED4_RETURN... //------------------------------------------------------------------------- // // Colonized format is displayed with 2, 3, or 4 numbers separated // by colons. For example, hms displayed in colonized 3 format is // "0:30:0", representing 0 hours, 30 minutes, and 0 seconds. // // Value: Return format: How stored: // // // MCI_STATUS_VOLUME MCI_COLONIZED2_RETURN Low word: left volume // High word: right volume // // // MCI_FORMAT_HMS MCI_COLONIZED3_RETURN byte 0 (low byte): hours // byte 1 : minutes // byte 2 : seconds // byte 3 : 0 // // // MCI_FORMAT_HMS MCI_COLONIZED4_RETURN byte 0 (low byte): hours // byte 1 : minutes // byte 2 : seconds // byte 3 : frames // // // Get LENGTH...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_LENGTH, &dwReturn ) ; strcat ( szMessage, "\nLength: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // // The high word of the return code is MCI_INTEGER_RETURNED, // or MCI_COLONIZED3_RETURN, or MCI_COLONIZED4_RETURN... // // The dwReturn value is a binary value which is decoded differently // depending on the current time format and the value of the high // word of the return code, as follows: // // If the Then the high And the value // time format word of the of dwReturn // is: return code is: represents: // // MCI_FORMAT_MILLISECONDS MCI_INTEGER_RETURNED milliseconds // MCI_FORMAT_MMTIME MCI_INTEGER_RETURNED mmtimes // MCI_FORMAT_FRAMES MCI_INTEGER_RETURNED frames // MCI_FORMAT_HMS MCI_COLONIZED3_RETURN See Note 1 // MCI_FORMAT_HMSF MCI_COLONIZED4_RETURN See Note 2 // MCI_FORMAT_CHAPTERS MCI_INTEGER_RETURNED chapters // // Note 1: The 4 bytes of the dword contain (starting at the // most significant byte): frames, seconds, minutes, hours. // // Note 2: Same as Note 1, except that the "frames" value will // always be 0. // // switch ( HIUSHORT ( dwReturnCode ) ) { case MCI_INTEGER_RETURNED: ConvertDwordToAscii ( dwReturn, szNumeric ) ; break; case MCI_COLONIZED3_RETURN: // Add code to handle this... // Will be returned when the time format is MCI_FORMAT_HMS... break; case MCI_COLONIZED4_RETURN: // Add code to handle this... // Will be returned when the time format is MCI_FORMAT_HMSF... break; } strcat ( szMessage, szNumeric ) ; } // Get POSITION...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_POSITION, &dwReturn ) ; strcat ( szMessage, "\nPosition: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // // See comments to LENGTH above... // // switch ( HIUSHORT ( dwReturnCode ) ) { case MCI_INTEGER_RETURNED: ConvertDwordToAscii ( dwReturn, szNumeric ) ; break; case MCI_COLONIZED3_RETURN: // Add code to handle this... // Will be returned by MCI when the time format is MCI_FORMAT_HMS... break; case MCI_COLONIZED4_RETURN: // Add code to handle this... // Will be returned by MCI when the time format is MCI_FORMAT_HMSF... break; } strcat ( szMessage, szNumeric ) ; } // Get VOLUME...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_VOLUME, &dwReturn ) ; strcat ( szMessage, "\nVolume: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // // See comments to Section 2 (this section) above... // // ConvertColonizedToAscii ( MCI_COLONIZED2_RETURN, dwReturn, szNumeric ) ; strcat ( szMessage, szNumeric ) ; } // Get SPEED...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_VD_STATUS_SPEED, &dwReturn ) ; strcat ( szMessage, "\nSpeed: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // // The low word of the return code is MCIERR_SUCCESS... // // The high word of the return code is MCI_INTEGER_RETURNED... // // The dwReturn value is a binary integer. // ConvertDwordToAscii ( dwReturn, szNumeric ) ; strcat ( szMessage, szNumeric ) ; } // Get DISC SIDE...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_VD_STATUS_SIDE, &dwReturn ) ; strcat ( szMessage, "\nDisc Side: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // // The low word of the return code is MCIERR_SUCCESS... // // The high word of the return code is MCI_INTEGER_RETURNED... // // The dwReturn value is a binary integer. // ConvertDwordToAscii ( dwReturn, szNumeric ) ; strcat ( szMessage, szNumeric ) ; } else if ( LOUSHORT ( dwReturnCode ) == MCIERR_VDP_NOSIDE ) { strcat ( szMessage, apszErrorStrings [ 0 ] ) ; } // Get DISC SIZE...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_VD_STATUS_DISC_SIZE, &dwReturn ) ; strcat ( szMessage, "\nDisc Size: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // // The low word of the return code is MCIERR_SUCCESS... // // The high word of the return code is MCI_INTEGER_RETURNED... // // The dwReturn value is a binary integer. // ConvertDwordToAscii ( dwReturn, szNumeric ) ; strcat ( szMessage, szNumeric ) ; } else if ( LOUSHORT ( dwReturnCode ) == MCIERR_VDP_NOSIZE ) { strcat ( szMessage, apszErrorStrings [ 1 ] ) ; } //------------------------------------------------------------------------- // (3) This section processes items that return MCI_TRUE_FALSE_RETURN // //------------------------------------------------------------------------- // Get MEDIA PRESENT...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_MEDIA_PRESENT, &dwReturn ) ; strcat ( szMessage, "\nMedia Present: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_TRUE_FALSE_RETURNED... // The dwReturn value is either MCI_TRUE or MCI_FALSE... strcat ( szMessage, apszBooleanStrings [ dwReturn - MCI_FALSE ] ) ; } // Get READY...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_STATUS_READY, &dwReturn ) ; strcat ( szMessage, "\nReady: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_TRUE_FALSE_RETURNED... // The dwReturn value is either MCI_TRUE or MCI_FALSE... strcat ( szMessage, apszBooleanStrings [ dwReturn - MCI_FALSE ] ) ; } // Get FORWARD...and generate text for the value... dwReturnCode = VdpGetStatus ( ppiCurrent->wDeviceID, MCI_STATUS_ITEM, MCI_VD_STATUS_FORWARD, &dwReturn ) ; strcat ( szMessage, "\nForward: " ) ; if ( LOUSHORT ( dwReturnCode ) == MCIERR_SUCCESS ) { // The low word of the return code is MCIERR_SUCCESS... // The high word of the return code is MCI_TRUE_FALSE_RETURNED... // The dwReturn value is either MCI_TRUE or MCI_FALSE... strcat ( szMessage, apszBooleanStrings [ dwReturn - MCI_FALSE ] ) ; } //------------------------------------------------------------------------- // (4) Now display the message in a message box... // //------------------------------------------------------------------------- // Display... WinMessageBox ( HWND_DESKTOP, HWND_DESKTOP, ( PCH ) szMessage, ( PCH ) "Player Status Values", ID_MESSAGEBOX, MB_OK | MB_APPLMODAL | MB_MOVEABLE ); // Done... return 0 ; } //----------------------------------------------------------------------------- // Func: VdpSetAudio() // // Desc: Sets player audio on or off. // // Name: VdpSetAudio() // // Description: Sets player audio on or off. // // Concepts: Very quick command. // // Parameters: wDeviceID - the device // // dwMciFlags - flags // // dwAudio - MCI_SET_AUDIO_ALL, MCI_SET_AUDIO_LEFT, // or MCI_SET_AUDIO_RIGHT // // Returns: FALSE if successful, else TRUE // //----------------------------------------------------------------------------- DWORD VdpSetAudio ( WORD wDeviceID, DWORD dwMciFlags, DWORD dwAudio ) { MCI_VD_SET_PARMS mciVdSetParms ; DWORD dwReturnCode ; // Note: If the master audio is set to 0, the videodisc player driver // will NOT set the videodisc player audio on.... // Send an MCI_SET command to switch the audio on or off... memset ( &mciVdSetParms, 0x00, sizeof ( MCI_VD_SET_PARMS ) ) ; mciVdSetParms.dwAudio = dwAudio ; dwReturnCode = mciSendCommand( wDeviceID, MCI_SET, dwMciFlags, ( DWORD )&mciVdSetParms, 0 ); return (LOUSHORT(dwReturnCode) != MCIERR_SUCCESS); } //----------------------------------------------------------------------------- // // Name: ConvertDwordToAscii() // // Description: Looks a lot like ultoa(), probably shd have used that instead.. // // Returns: Number of characters in output string excluding the '\0'... // //----------------------------------------------------------------------------- DWORD ConvertDwordToAscii ( DWORD dwValue, PBYTE pbString ) { PBYTE pb ; DWORD dwDivisor ; int i ; BYTE abTemp [ 12 ] ; // Init... dwDivisor = 10000000L ; // Build ascii string representation of number in temporary buffer... for ( i = 0, pb = abTemp ; i < 8; i++, pb++ ) { *pb = ( ( BYTE ) ( dwValue / dwDivisor ) ) + ( BYTE ) '0' ; dwValue = dwValue % dwDivisor ; dwDivisor = dwDivisor / 10 ; } // Make it a string... *pb = '\0' ; // Skip leading 0's for ( i = 0, pb = abTemp ; i < 7 ; i++, pb++ ) { if ( *pb != '0' ) { break ; } } // Copy to output buffer...and return strcpy ( pbString, pb ) ; return strlen ( pbString ) ; } //----------------------------------------------------------------------------- // // Name: ConvertColonizedToAscii // // Description: Number of characters in output string excluding the '\0'... // // Concepts: Useful for converting colonized format to ascii // // Parameters: dwFormat - which form of colonized // // dwColonized - colonized input // // pbString - string output... // // Returns: Length of output string. // //----------------------------------------------------------------------------- DWORD ConvertColonizedToAscii ( DWORD dwFormat, DWORD dwColonized, PBYTE pbString ) { BYTE abTemp [ 64 ] ; PBYTE pb = abTemp ; DWORD dwLength ; // If COLONIZED2... if ( dwFormat == MCI_COLONIZED2_RETURN ) { // Convert the low word... dwLength = ConvertDwordToAscii ( LOUSHORT ( dwColonized ), pb ) ; pb += dwLength ; *(pb++) = ':' ; // Convert the high word... dwLength = ConvertDwordToAscii ( HIUSHORT ( dwColonized ), pb ) ; pb += dwLength ; } // Else assume COLONIZED3 or COLONIZED4... else { // Convert byte 0 (low byte)... dwLength = ConvertDwordToAscii ( DWORD_LWLB ( dwColonized ), pb ) ; pb += dwLength ; // Store a ':' and convert byte 1... *(pb++) = ':' ; dwLength = ConvertDwordToAscii ( DWORD_LWHB ( dwColonized ), pb ) ; pb += dwLength ; // Store a ':' and convert byte 2... *(pb++) = ':' ; dwLength = ConvertDwordToAscii ( DWORD_HWLB ( dwColonized ), pb ) ; pb += dwLength ; // If COLONIZED4 then...store a ':' and convert byte 3... if ( dwFormat == MCI_COLONIZED4_RETURN ) { *(pb++) = ':' ; dwLength = ConvertDwordToAscii ( DWORD_HWHB ( dwColonized ), pb ) ; pb += dwLength ; } } // Terminate the string... *pb = '\0'; // Copy to output buffer...and return strcpy ( pbString, abTemp ) ; return strlen ( pbString ) ; } //***************************************************************************** // End of file //***************************************************************************** IZED3_RETURN See Note 1 // MCI_FORMAT_HMSF MCI_COLONIZED4_RETURN See Note 2 // MCI_FORMAT_CHAPTERS MCI_INTEGER_RETURNED chapters // // Note 1: The 4 bytes of the dword contain (starting at t//***************************************************************************** // // File Name: Vidview2.c // // ****!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!***** // **************************************************************************** // *+*+* NOTE: This file contains both '//' style comments and "/* */" *+*+* // **+** style comments. You will have to set the the /Ss+ compile ***** // *+*+* option for this file to be compiled. *+*+* // **************************************************************************** // ****!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!***** // // Description : VIDVIEW sample application source file. // // Copyright (C) 1992 IBM Corporation // // DISCLAIMER OF WARRANTIES. The following [enclosed] code is // sample code created by IBM Corporation. This sample code is not // part of any standard or IBM product and is provided to you solely // for the purpose of assisting you in the development of your // applications. The code is provided "AS IS", without // warranty of any kind. IBM shall not be liable for any damages // arising out of your use of the sample code, even if they have been // advised of the possibility of such damages. * // // // A. Note to Programmers // // This file contains functions that manage calculations when the // video source rectangle is allowed to vary continuously, and // when the video destination is allowed to be various shapes and // sizes. This is done so as to allow the user to experiment // with different source-to-destination shapes and sizes. // // In contrast, in a real-life video application, each video window // will probably have a fixed size (perhaps each video window will // be the same size, or perhaps there will be only 1 video window) // and the source rectangle will probably also be of a fixed size // (perhaps 688 by 480 or some number close to it). // // // B. Primitive Functions for Overlay and Videodisc Player Devices // // VIDVIEW.C and VIDVIEW2.C include primitive functions to // do overlay and videodisc operations. // // These are listed in subgroups in VIDVIEW.H. // //***************************************************************************** #define INCL_WIN #define INCL_WINSYS #define INCL_WINFRAMEMGR #define INCL_WINMENUS #define INCL_WINDIALOGS #define INCL_WINSTDDLGS #define INCL_DOSMODULEMGR #define INCL_GPI #define INCL_CIRCULARSLIDER #define INCL_MMCTL #define INCL_GPICONTROL #include #include #include #include #include #include #include "lvdsys.h" #include "mmctl.h" #include "vidview.h" //----------------------------------------------------------------------------- // Externs and initializations... //----------------------------------------------------------------------------- extern PAPPLICATIONINFO paiMain ; LONG aStretchWindowIDs [] = { ID_SRC_RCL_STRETCH_HORZ , ID_SRC_RCL_STRETCH_VERT , 0 } ; LONG aZoomWindowIDs [] = { ID_SRC_RCL_ZOOM_CONTROL, 0, 0 } ; SZ szFullScreenMessage [] = { "When the client area is screen-sized, the title bar lies 'above' " "the screen.\r" "You can move the application window down by using the Presentation " "Manager control keys (click with mouse button 1 on the client area, " "then press Alt-F7, then cursor down until the sizing rectangle appears, " "and finally press Enter).\r" "You can use the Alt-Esc to move the source control window back to the top." } ; // Macros... // Note that these 2 use the same conversion formula in BOTH... // // We want the vertical scroll bar to act like the higher numbers are at // the TOP instead of the bottom; so we use these macros to switch // between source buffer values and vertical scroll bar valuess. #define VVM_SOURCE_TO_VSCROLL(length, thumbsize, thumbpos) (((length) - (thumbsize)) - (thumbpos)) #define VVM_VSCROLL_TO_SOURCE(length, thumbsize, thumbpos) ((((length) - (thumbsize)) - 1 ) - (thumbpos)) //---------------------------------------------------------------------------- // Name: SetDefaultSourceRect // // Description: Sets VIDVIEW's default source rectangle... // // Concepts: Our default source rectangle is a 688 by 480 (NTSC) // or 688 by 548 (PAL) rectangle which is slightly // offset in the "video source buffer". The // "video source buffer" is a concept which imagines that // the incoming video is arranged as a flat 706 by 484 buffer // in NTSC or 706 by 564 in PAL. // // We can choose any rectangle within this array as our // source rectangle. Then this source rectangle will be // projected onto the destination rectangle. // // It is recommended to choose a source rectangle first, // because that determines how much of the incoming video image // you want to show. Then choose a height or width for the // destination rectangle so that the image is easily // viewable. Then calculate the other dimension // of the destination rectangle so that the destination // rectangle is proportional (same width-to-height ratio) // to the source rectangle. // // Example: Source rectangle is 688 by 480. We have an // app where the destination rectangle needs to be pretty big, // let's say 344 wide. So destination rectangle height is // // PropHeight = ( PropWidth * AspectY ) / AspectX ; // // Note that we multiply BEFORE the divide. // // Also we will get better results if we round. So // we change the equation to read: // // PropHeight = ( ( PropWidth * AspectY ) + ( AspectX / 2 ) ) // / AspectX ; // // Use the actual source rectangle height and width for "AspectY" // and "AspectX". So we plug in the numbers and get: // // PropHeight = ( ( 344 * 480 ) + ( 688 / 2 ) ) / 688 // // = 240 // // // Parameters: pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID SetDefaultSourceRect ( PVIDEOWINDOWINFO pvi ) { // Set to default values... pvi->rclCurSrc = pvi->prclSrcRects [ IDM_VDW_CLIENT_FULL_EXTENT - IDM_VDW_CHILD ] ; // Set source aspect ratio values from the original dimensions of the source... pvi->SrcAspectX = ( pvi->rclCurSrc.xRight - pvi->rclCurSrc.xLeft ) + 1 ; pvi->SrcAspectY = ( pvi->rclCurSrc.yTop - pvi->rclCurSrc.yBottom ) + 1 ; // Set the overlay device to this source... OvlPutSrcRect ( paiMain->wOverlayDeviceID, &pvi->rclCurSrc, ( HWND ) 0 ) ; } //---------------------------------------------------------------------------- // Name: MakeSrcPropToNewDst() // // Description: Generates a source rectangle for VIDVIEW proportional // (i.e. same width-to-height ratio) as new destination style... // // Concepts: Usu we choose the source rectangle first; but here we // have allowed the user to change the destination rectangle, // so we have to scramble around and find a source rectangle // which is (1) the same aspect ratio as the new destination // rectangle, (2) at least as big as the new destination // rectangle. // // Parameters: pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // OldStyle, NewStyle - "style" identifier of dst rect // // Returns: TRUE = success. // //---------------------------------------------------------------------------- BOOL MakeSrcPropToNewDst ( PVIDEOWINDOWINFO pvi, LONG OldStyle, LONG NewStyle ) { PRECTL prclSrc, prclDst, prclMinSrc ; LONG NewSrcCode ; LONG SWidth, SHeight, DWidth, DHeight ; // Init.... prclSrc = &pvi->rclCurSrc ; prclDst = &pvi->rclClient ; // Switch on the new destination code... // ...If the new destination code has different proportions from // the old destination code, then indicate that we need to set up // a new source rectangle, and indicate the code for the proportions... // switch ( NewStyle ) { case IDM_VDW_CLIENT_ARBITRARY_1 : case IDM_VDW_CLIENT_ARBITRARY_2 : case IDM_VDW_CLIENT_ARBITRARY_3 : NewSrcCode = NewStyle ; break; //case IDM_VDW_CHILD : //case IDM_VDW_CLIENT_FULL_EXTENT : //case IDM_VDW_CLIENT_04TH_EXTENT : //case IDM_VDW_CLIENT_16TH_EXTENT : //case IDM_VDW_CLIENT_64TH_EXTENT : default: NewSrcCode = IDM_VDW_CLIENT_FULL_EXTENT ; break ; } // Set source rectangle based on the new style... pvi->rclCurSrc = pvi->prclSrcRects [ NewSrcCode - IDM_VDW_CHILD ] ; // Set source aspect ratio values from the original dimensions of the source... prclSrc = &pvi->rclCurSrc ; pvi->SrcAspectX = ( prclSrc->xRight - prclSrc->xLeft ) + 1 ; pvi->SrcAspectY = ( prclSrc->yTop - prclSrc->yBottom ) + 1 ; // If the source area is smaller than the destination area... SWidth = ( prclSrc->xRight - prclSrc->xLeft ) + 1 ; SHeight = ( prclSrc->yTop - prclSrc->yBottom ) + 1 ; DWidth = ( prclDst->xRight - prclDst->xLeft ) + 1 ; DHeight = ( prclDst->yTop - prclDst->yBottom ) + 1 ; if ( ( SWidth < DWidth ) || ( SHeight < DHeight ) ) { // Make the source area the same size as the destination area... prclSrc->xLeft = 8 ; prclSrc->yBottom = 4 ; prclSrc->xRight = ( DWidth + 8 ) - 1 ; prclSrc->yTop = ( DHeight + 4 ) - 1 ; } // Make the MINIMUM SOURCE RECTANGLE the same size as the destination... prclMinSrc = &pvi->rclMinSrc ; prclMinSrc->xLeft = 0 ; prclMinSrc->yBottom = 0 ; if ( NewStyle == IDM_VDW_CHILD ) { prclMinSrc->xRight = pvi->prclDstRects [IDM_VDW_CHILD - IDM_VDW_CHILD].xRight ; prclMinSrc->yTop = pvi->prclDstRects [IDM_VDW_CHILD - IDM_VDW_CHILD].yTop ; } else { prclMinSrc->xRight = DWidth - 1 ; prclMinSrc->yTop = DHeight - 1 ; } return TRUE ; } //---------------------------------------------------------------------------- // Name: InitializeVideoWindowInfo() // // Description: Initialize overlay info... // // Concepts: Sets initial values for our handling of overlay. // // Parameters: pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // VideoInput - 1, 2, or 3 // // Returns: VOID // //---------------------------------------------------------------------------- VOID InitializeVideoWindowInfo ( PVIDEOWINDOWINFO pvi, LONG VideoInput ) { PRECTL prcl ; DWORD dwWidth, dwHeight ; // Set the video input to 3, 2, or 1... OvlSetInput ( paiMain->wOverlayDeviceID, VideoInput, MCI_VIDEO_IN_CONNECTOR ) ; // Get the dimensions of the max video source buffer... OvlGetSrcExtRect ( paiMain->wOverlayDeviceID, ( HWND ) 0, &dwWidth, &dwHeight ) ; prcl = &pvi->rclMaxSrc ; prcl->xLeft = 0 ; prcl->yBottom = 0 ; prcl->xRight = prcl->xLeft + ( dwWidth - 1 ) ; prcl->yTop = prcl->yBottom + ( dwHeight - 1 ) ; // Set items based on PAL or NTSC... // // -- Set input type to PAL or NTSC... // -- Pointer to items associated w/ "Window" menu item: // -- Source rectangles // -- Destination rectangles (proportional to source rects) // -- Menu item strings // if ( pvi->rclMaxSrc.yTop < VVK_SRC_CY_MAX_NTSC ) { pvi->InputType = VVK_IT_NTSC ; pvi->prclSrcRects = arclSrcRectsForNTSCInput ; pvi->prclDstRects = arclDstRectsForNTSCInput ; pvi->ppszWindowStrings = apszWindowStringsForNTSC ; } else { pvi->InputType = VVK_IT_PAL ; pvi->prclSrcRects = arclSrcRectsForPALInput ; pvi->prclDstRects = arclDstRectsForPALInput ; pvi->ppszWindowStrings = apszWindowStringsForPAL ; } // Initialize the max destination rectangle...same as max src... pvi->rclMaxDst = pvi->rclMaxSrc ; // Initialize the min video source buffer....use smallest possible coordinates... prcl = &pvi->rclMinSrc ; prcl->xLeft = 0 ; prcl->yBottom = 0 ; prcl->xRight = VVK_SRC_CX_MIN - 1 ; prcl->yTop = VVK_SRC_CY_MIN - 1 ; // Initialize the min destination rectangle... prcl = &pvi->rclMinDst ; prcl->xLeft = 0 ; prcl->yBottom = 0 ; prcl->xRight = VVK_DST_CX_MIN - 1 ; prcl->yTop = VVK_DST_CY_MIN - 1 ; // Set source aspect ratio values from the original dimensions of the source... prcl = &pvi->rclCurSrc ; pvi->SrcAspectX = ( prcl->xRight - prcl->xLeft ) + 1 ; pvi->SrcAspectY = ( prcl->yTop - prcl->yBottom ) + 1 ; // Set the deltas for source panning and scrolling... pvi->DeltaLineHorzPan = 1 ; pvi->DeltaPageHorzPan = 8 ; pvi->DeltaLineVertPan = 1 ; pvi->DeltaPageVertPan = 4 ; pvi->DeltaLineHorzZoom = 2 ; pvi->DeltaPageHorzZoom = 16 ; pvi->DeltaLineVertZoom = 2 ; pvi->DeltaPageVertZoom = 4 ; // Set the aspect ratio switch...a TRUE means that we will keep the // x-length and from it find the y-length... pvi->fAspectKeepX = TRUE ; // Set the information associated with the video window... InitializeVideoDisplayInfo ( pvi, VideoInput ) ; } //----------------------------------------------------------------------------- // Function: InitializeVideoDisplayInfo() // // Description: Initialize overlay info for display. // // Concepts: Sets initial values for our handling of overlay. // // Parameters: pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // VideoInput - 1, 2, or 3 // // Returns: VOID // //----------------------------------------------------------------------------- VOID InitializeVideoDisplayInfo ( PVIDEOWINDOWINFO pvi, LONG VideoInput ) { PRECTL prcl ; LONG MinWidth, MinHeight, AspectX, AspectY ; // Set the default style pvi->Style = IDM_VDW_CLIENT_04TH_EXTENT ; // Set current source and destination rects... pvi->rclCurSrc = pvi->prclSrcRects [ IDM_VDW_CLIENT_04TH_EXTENT - IDM_VDW_CHILD ] ; pvi->rclCurDst = pvi->prclDstRects [ IDM_VDW_CLIENT_04TH_EXTENT - IDM_VDW_CHILD ] ; // Set source aspect ratio values from the original dimensions of the source... prcl = &pvi->rclCurSrc ; pvi->SrcAspectX = ( prcl->xRight - prcl->xLeft ) + 1 ; pvi->SrcAspectY = ( prcl->yTop - prcl->yBottom ) + 1 ; // Determine the min client size for this particular application window... // // 1) Create a small rectangle and call WinCalcFrameRect() to get the // minimum frame size...depends on number and size of menu items, // as well as border size and header size... // 2) Now call WinCalcFrameRect() w/ TRUE to get minimum client size... // 3) Decrement xRight and yTop, since PM makes these 1 pel too big... // 4) Now determine the min client size proportional to the video source... // // pvi->rclMinClient.xLeft = 0 ; pvi->rclMinClient.yBottom = 0 ; pvi->rclMinClient.xRight = 10 ; pvi->rclMinClient.yTop = 10 ; WinCalcFrameRect ( hwndFrame, &pvi->rclMinClient, FALSE ) ; WinCalcFrameRect ( hwndFrame, &pvi->rclMinClient, TRUE ) ; MinWidth = ( pvi->rclMinClient.xRight - pvi->rclClient.xLeft ) + 1 ; AspectX = pvi->SrcAspectX ; AspectY = pvi->SrcAspectY ; MinHeight = ( ( MinWidth * AspectY ) + ( AspectX / 2 ) ) / AspectX ; pvi->rclMinClient.xLeft = 0 ; pvi->rclMinClient.yBottom = 0 ; pvi->rclMinClient.xRight = MinWidth - 1 ; pvi->rclMinClient.yTop = MinHeight - 1 ; // Set the default client area, client on desktop, frame, // and frame on desktop... // // Initialize the client to the same size as the destination... pvi->rclClient = pvi->rclCurDst ; // Intialize the size of this client on the desktop... pvi->rclClientOnDesktop = pvi->rclClient ; WinMapWindowPoints ( hwndClient, HWND_DESKTOP, ( PPOINTL ) &pvi->rclClientOnDesktop, 2 ) ; // Initialize the frame rectangle... // -- Copy the client size... // -- Bump the xRight and yTop...For reasons that seemed good at // the time, but no longer seem so good, we keep the client // rectangle as (0,0,width-1,height-1) and the frame, in // contrast, as (0,0,width,height)...So we have to make that // adjustment here... // pvi->rclFrame = pvi->rclClient ; if ( VideoInput != 1) { pvi->rclFrame.xRight++ ; pvi->rclFrame.yTop++ ; } WinCalcFrameRect ( hwndFrame, &pvi->rclFrame, FALSE ) ; // Initialize the frame rectangle in desktop coords... // -- First we have to shift right and up by the size of the // border...Above, we have copied the frame size from the client size // (which we do not do when the input is actually active), // and applied WinCalcFrameRect(). Since the frame has a border, // the rclClient (0,0,xxx,yyy) was transformed to the rclFrame // (-leftborder, -bottomborder, www, zzz). So now we make an // adjustment to define the frame in non-negative coordinates. if ( VideoInput != 1) { pvi->rclFrame.xLeft += paiMain->SizeBorderCx ; pvi->rclFrame.yBottom += paiMain->SizeBorderCy ; pvi->rclFrame.xRight += paiMain->SizeBorderCx ; pvi->rclFrame.yTop += paiMain->SizeBorderCy ; } pvi->rclFrameOnDesktop = pvi->rclFrame ; WinMapWindowPoints ( hwndFrame, HWND_DESKTOP, ( PPOINTL ) &pvi->rclFrameOnDesktop, 2 ) ; // Set other values... pvi->ActionMode = VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO ; pvi->Readout = VVK_RO_NONE ; pvi->clrClientBG = CLR_BLACK ; pvi->clrClientFG = CLR_WHITE ; } //---------------------------------------------------------------------------- // Name: UpdateSourceZoomCharacteristics // // Description: Changes parms for zoom circular slider. // // Concepts: When the dst rect changes (which in a normal app // we probably wd not allow to happen very often) // we have a new set of src-to-dst relationships // (dst size and shape, src size and shape); consequently // we have to re-initialize our controls. // // Parameters: hwnd - the source control window // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID UpdateSourceZoomCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { PRECTL prclCur, prclMax, prclMin ; LONG CurX, CurY, MaxX, MaxY, MinX, MinY, TryX, TryY ; LONG LoBound, HiBound, LineIncr, PageIncr, InitValue ; BOOL fXLimitsMaxSize ; LONG TestMinX, TestMinY, TestMaxX, TestMaxY ; // Get access to the rectangle values... prclCur = &pvi->rclCurSrc ; prclMax = &pvi->rclMaxSrc ; prclMin = &pvi->rclMinSrc ; // Calculate source lengths... CurX = ( prclCur->xRight - prclCur->xLeft ) + 1 ; MaxX = ( prclMax->xRight - prclMax->xLeft ) + 1 ; MinX = ( prclMin->xRight - prclMin->xLeft ) + 1 ; CurY = ( prclCur->yTop - prclCur->yBottom ) + 1 ; MaxY = ( prclMax->yTop - prclMax->yBottom ) + 1 ; MinY = ( prclMin->yTop - prclMin->yBottom ) + 1 ; // Other init... fXLimitsMaxSize = TRUE ; // If we are keeping x in our aspect ratio calculations... // ...i.e. we take the width of the maximum source rectangle as constant, // and determine how large the height can become, rather than vice versa.. // // E.g. Suppose the current source rectangle is 172 x 120, we are // keeping x, and the maximum source buffer size is 706 x 484. // How big can the y become under these circumstances? If the aspect // ratio of the destination is 43 x 30, and the max x value is 120, // then the max y is ( ( 706 * 3 ) / 4 ), or 529. This value is larger // than the maximum destination size of y of 484, so the maximum source // will have to be limited along the Y axis, i.e. fXLimitsMaxSize = FALSE. // if ( pvi->fAspectKeepX ) { // Determine how many clicks we need for the slider... // -- What is the biggest possible x?..It is MaxX... // -- Using MaxX and the aspect ratio, what is the biggest possible y? // -- If the biggest y is less than max y... // ...then let the max x determine the number of clicks... // ...else let the max y determine the number of clicks... TryY = ( ( MaxX * pvi->SrcAspectY ) + ( pvi->SrcAspectX / 2 ) ) / pvi->SrcAspectX ; if ( TryY > MaxY ) { fXLimitsMaxSize = FALSE ; } } // Else do the same calculations for the other axis.... else { TryX = ( ( MaxY * pvi->SrcAspectX ) + ( pvi->SrcAspectY / 2 ) ) / pvi->SrcAspectY ; if ( TryX <= MaxX ) { fXLimitsMaxSize = FALSE ; } } // Determine valid minimum and maximum values for x and y... // // The value of the slider represents pels...how many pels in the current // HEIGHT of the source rectangle (if the max size is limited along // the y axis) or how many pels in the WIDTH of the source rectangle // (if the max size is limited along the x axis). // // Example: If the max source rectangle is 706 x 484, and the // max is limited along the y axis, then the minimum value of y // is 0 and the maximum is 484. // // Recall: Absolute min and max is imposed by the hardware: // // // Min. Max. // // Horz: 4 706 // // Vert: 1 484 // // // But the zoom software may impose slightly different limits // in order to observe aspect ratio requirements. For example, if the // aspect ratio is 4 x 3, then when y is at its minimum of 1 , // the minimum x will be // // TestMinX = ( MinY * SrcAspectX ) / SrcAspectY // = ( 1 * 4 ) / 3 // = 1 ; // // But 0 is an invalid value for x. So, instead of using the lowest // possible minimum value for MinY (i.e. 1), we use the lowest // possible minimum value for MinY that gives a valid MinX: // // MinX = ( MinY * pvi->SrcAspectX ) / pvi->SrcAspectY ; // // if ( fXLimitsMaxSize ) { // Determine the minimum y value that could occur... // ...If it results in an invalid minimum y, then // refigure minimum x as a function of minimum y... TestMinY = ( ( MinX * pvi->SrcAspectY ) + ( pvi->SrcAspectX / 2 ) ) / pvi->SrcAspectX ; if ( TestMinY < MinY ) { MinX = ( ( MinY * pvi->SrcAspectX ) + ( pvi->SrcAspectY / 2 ) ) / pvi->SrcAspectY ; } // Same action for xmax and ymax TestMaxY = ( ( MaxX * pvi->SrcAspectY ) + ( pvi->SrcAspectX / 2 ) ) / pvi->SrcAspectX ; if ( TestMaxY > MaxY ) { MaxX = ( ( MaxY * pvi->SrcAspectX ) + ( pvi->SrcAspectY / 2 ) ) / pvi->SrcAspectY ; } // Remember... LoBound = MinX ; HiBound = MaxX ; } else { // Determine the minimum x value that could occur... TestMinX = ( ( MinY * pvi->SrcAspectX ) + ( pvi->SrcAspectY / 2 ) ) / pvi->SrcAspectY ; if ( TestMinX < MinX ) { MinY = ( ( MinX * pvi->SrcAspectY ) + ( pvi->SrcAspectX / 2 ) ) / pvi->SrcAspectX ; } // Same action for ymax and xmax... TestMaxX = ( ( MaxY * pvi->SrcAspectX ) + ( pvi->SrcAspectY / 2 ) ) / pvi->SrcAspectY ; if ( TestMaxX > MaxX ) { MaxY = ( ( MaxX * pvi->SrcAspectY ) + ( pvi->SrcAspectX / 2 ) ) / pvi->SrcAspectX ; } // Remember.... LoBound = MinY ; HiBound = MaxY ; } // Set the lower and upper limits for the slider... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_ZOOM_CONTROL ), CSM_SETRANGE, ( MPARAM ) LoBound, ( MPARAM ) HiBound ) ; // Determine and set the line and page increments... if ( fXLimitsMaxSize ) { LineIncr = pvi->DeltaLineHorzZoom ; PageIncr = pvi->DeltaPageHorzZoom ; } else { LineIncr = pvi->DeltaLineVertZoom ; PageIncr = pvi->DeltaPageVertZoom ; } WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_ZOOM_CONTROL ), CSM_SETINCREMENT, ( MPARAM) PageIncr, ( MPARAM) LineIncr ) ; // Determine and set the initial value... if ( fXLimitsMaxSize ) { InitValue = CurX ; } else { InitValue = CurY ; } WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_ZOOM_CONTROL ), CSM_SETVALUE, ( MPARAM) InitValue, ( MPARAM) NULL ) ; // Save values needed for later calculations... pvi->fSrcZoomXLimitsMaxSize = fXLimitsMaxSize ; pvi->SrcZoomLoBound = LoBound ; pvi->SrcZoomHiBound = HiBound ; pvi->SrcZoomPageIncr = PageIncr ; pvi->SrcZoomLineIncr = LineIncr ; } //---------------------------------------------------------------------------- // Name: UpdateHorzStretchCharacteristics() // // Description: Updates circular slider for horizontal stretch. // // Concepts: This function should always be called just AFTER, // rather than BEFORE, UpdatePanScrollBarCharacteristics(), // since it uses values calculated there -- Length and ThumbSize. // // The stretch scroll bars use the SAME values as the corresponding // pan scroll bars. // // Parameters: hwnd - the source control window // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID UpdateHorzStretchCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { PRECTL prclCur, prclMax, prclMin ; LONG CurX, MaxX, MinX ; // Get access to the rectangle values... prclCur = &pvi->rclCurSrc ; prclMax = &pvi->rclMaxSrc ; prclMin = &pvi->rclMinSrc ; // Calculate source lengths... CurX = ( prclCur->xRight - prclCur->xLeft ) + 1 ; MaxX = ( prclMax->xRight - prclMax->xLeft ) + 1 ; MinX = ( prclMin->xRight - prclMin->xLeft ) + 1 ; // Set the lower and upper limits for the slider... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_STRETCH_HORZ ), CSM_SETRANGE, ( MPARAM ) MinX, ( MPARAM ) MaxX ) ; // Determine and set the line and page increments... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_STRETCH_HORZ ), CSM_SETINCREMENT, ( MPARAM) pvi->DeltaPageHorzZoom, ( MPARAM) pvi->DeltaLineHorzZoom ) ; // Determine and set the initial value... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_STRETCH_HORZ ), CSM_SETVALUE, ( MPARAM) CurX, ( MPARAM) NULL ) ; } //---------------------------------------------------------------------------- // Name: UpdateVertStretchCharacteristics() // // Description: Updates circular slider for vertical stretch... // // Concepts: This function should always be called just AFTER, rather // than BEFORE, UpdatePanScrollBarCharacteristics(), since // it uses values calculated there -- Length and ThumbSize. // // The stretch scroll bars use the SAME values as the // corresponding pan scroll bars. // // Parameters: hwnd - the source control window // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID UpdateVertStretchCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { PRECTL prclCur, prclMax, prclMin ; LONG CurY, MaxY, MinY ; // Get access to the rectangle values... prclCur = &pvi->rclCurSrc ; prclMax = &pvi->rclMaxSrc ; prclMin = &pvi->rclMinSrc ; // Calculate source lengths... CurY = ( prclCur->yTop - prclCur->yBottom ) + 1 ; MaxY = ( prclMax->yTop - prclMax->yBottom ) + 1 ; MinY = ( prclMin->yTop - prclMin->yBottom ) + 1 ; // Set the lower and upper limits for the slider... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_STRETCH_VERT ), CSM_SETRANGE, ( MPARAM ) MinY, ( MPARAM ) MaxY ) ; // Determine and set the line and page increments... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_STRETCH_VERT ), CSM_SETINCREMENT, ( MPARAM) pvi->DeltaPageVertZoom, ( MPARAM) pvi->DeltaLineVertZoom ) ; // Determine and set the initial value... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_STRETCH_VERT ), CSM_SETVALUE, ( MPARAM) CurY, ( MPARAM) NULL ) ; } //---------------------------------------------------------------------------- // Name: UpdatePanScrollBarCharacteristics() // // Description: Update characteristics for pan scroll bars. // // Concepts: Update both horz and vert. // // Parameters: hwnd - the source control window // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID UpdatePanScrollBarCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { PRECTL prclCurrent, prclMax ; LONG Length, ThumbPos, ThumbSize ; // Get access to the rectangle values... prclCurrent = &pvi->rclCurSrc ; prclMax = &pvi->rclMaxSrc ; // Figure the HORIZONTAL scroll bar thumbsize and length and store them... Length = ( prclMax->xRight - prclMax->xLeft ) + 1 ; ThumbSize = ( prclCurrent->xRight - prclCurrent->xLeft ) + 1 ; pvi->SrcHSBLength = Length ; pvi->SrcHSBThumbSize = ThumbSize ; // Figure the thumb position... ThumbPos = prclCurrent->xLeft ; // Set the scroll bar range and thumb... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_PAN_HORZ ), SBM_SETSCROLLBAR, MPFROM2SHORT ( ThumbPos, 0 ), MPFROM2SHORT ( 0, ( Length - ThumbSize ) - 1 ) ) ; // Set the thumb size... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_PAN_HORZ ), SBM_SETTHUMBSIZE, MPFROM2SHORT ( ThumbSize, Length ), 0 ) ; // Figure the VERTICAL scroll bar length and thumb size and save these values... Length = ( prclMax->yTop - prclMax->yBottom ) + 1 ; ThumbSize = ( prclCurrent->yTop - prclCurrent->yBottom ) + 1 ; pvi->SrcVSBLength = Length ; pvi->SrcVSBThumbSize = ThumbSize ; // Figure the thumb position... ThumbPos = VVM_SOURCE_TO_VSCROLL ( Length, ThumbSize, prclCurrent->yBottom ); // Set the scroll bar range and thumb... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_PAN_VERT ), SBM_SETSCROLLBAR, MPFROM2SHORT ( ThumbPos, 0 ), MPFROM2SHORT ( 0, ( Length - ThumbSize ) - 1 ) ) ; // Set the thumb size... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_PAN_VERT ), SBM_SETTHUMBSIZE, MPFROM2SHORT ( ThumbSize, Length ), 0 ) ; } //---------------------------------------------------------------------------- // Name: SetVerticalScrollBarPosition() // // Description: Sets vertical pan scroll bar position. // // Concepts: ... // // Parameters: hwnd - the source control window // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID SetVerticalScrollBarPosition ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { LONG ThumbPos ; // ***Caution***: Leave this statement on ONE LINE: ThumbPos = VVM_SOURCE_TO_VSCROLL ( pvi->SrcVSBLength, pvi->SrcVSBThumbSize, pvi->rclCurSrc.yBottom ) ; // Set the position... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_PAN_VERT ), SBM_SETPOS, MPFROMSHORT ( ThumbPos ) , NULL ) ; } //---------------------------------------------------------------------------- // Name: SetHorizontalScrollBarPosition() // // Description: Sets horizontal pan scroll bar position. // // Concepts: ... // // Parameters: hwnd - the source control window // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID SetHorizontalScrollBarPosition ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { LONG ThumbPos ; ThumbPos = pvi->rclCurSrc.xLeft ; // Set the position... WinSendMsg ( WinWindowFromID ( hwnd, ID_SRC_RCL_PAN_HORZ ), SBM_SETPOS, MPFROMSHORT ( ThumbPos ) , NULL ) ; } //---------------------------------------------------------------------------- // Name: FitSegmentInsideSegment() // // Description: Slides a rectangle either horz or vert so that its boundaries // are completely within the boundaries of another rectangle. // // Concept: Shifts, if necessary, a shorter segment inside a longer // segment so that the shorter segment is entirely within // the bounds of the longer segment, without overlapping on // either side. // // We use this function, for example, during a pan of the source // buffer, to keep the source rectangle from crossing the // valid boundaries of the source buffer. // // Parameters: prclInput - input rectangle // // prclMin - min size // // prclMax - max size // // prclResult - new rectangle shifted horz or vert // // fVertical - if TRUE shift vert, else shift horz // // Returns: TRUE if fit achieved, else FALSE // //---------------------------------------------------------------------------- BOOL FitSegmentInsideSegment ( PRECTL prclInput, PRECTL prclMin, PRECTL prclMax, PRECTL prclResult, BOOL fVertical ) { LONG x1Input, x2Input, x1Max, x2Max, x1Min, x2Min ; LONG InputLength, MaxLength, MinLength, LoOverlap, HiOverlap ; LONG x1Result, x2Result ; PLONG px1Result, px2Result ; // Initialize... if ( fVertical ) { x1Input = prclInput->yBottom ; x2Input = prclInput->yTop ; x1Max = prclMax->yBottom ; x2Max = prclMax->yTop ; x1Min = prclMin->yBottom ; x2Min = prclMin->yTop ; px1Result = &prclResult->yBottom ; px2Result = &prclResult->yTop ; } else { x1Input = prclInput->xLeft ; x2Input = prclInput->xRight ; x1Max = prclMax->xLeft ; x2Max = prclMax->xRight ; x1Min = prclMin->xLeft ; x2Min = prclMin->xRight ; px1Result = &prclResult->xLeft ; px2Result = &prclResult->xRight ; } // Get the lengths... InputLength = ( x2Input - x1Input ) + 1 ; MaxLength = ( x2Max - x1Max ) + 1 ; MinLength = ( x2Min - x1Min ) + 1 ; // Do sanity checks... if ( ( InputLength > MaxLength ) || ( InputLength < MinLength ) ) { return FALSE ; } // Get overlaps at lower and higher bounds... LoOverlap = x1Input - x1Max ; HiOverlap = x2Max - x2Input ; // If lower bound overlaps...then shift it... if ( LoOverlap < 0 ) { x1Result = x1Max ; x2Result = ( x1Result + InputLength ) - 1 ; } // Else if upper bound overlaps...then shift it... else if ( HiOverlap < 0 ) { x2Result = x2Max ; x1Result = ( x2Result - InputLength ) + 1 ; } // Else leave the Input segment where it lies... else { x1Result = x1Input ; x2Result = x2Input ; } // Set return values...and return... *prclResult = *prclInput ; *px1Result = x1Result ; *px2Result = x2Result ; return TRUE ; } //---------------------------------------------------------------------------- // Name: FitRectInsideRect() // // Description: Moves a smaller rectangle until it no longer overlaps the edge // of the large rectangle that it lies in. // // Concepts: Same as FitSegmentInsideSegment(), wh this function calls // twice, 1 for horz and 1 for vert. // // Parameters: prclInput - input rectangle // // prclResult - new rectangle shifted horz or vert // // prclMin - min size // // prclMax - max size // // Returns: TRUE if fit achieved, else FALSE // //---------------------------------------------------------------------------- BOOL FitRectInsideRect ( PRECTL prclInput, PRECTL prclResult, PRECTL prclMin, PRECTL prclMax ) { RECTL rclResult1, rclResult2 ; BOOL fSuccess ; // X-axis... fSuccess = FitSegmentInsideSegment ( prclInput, prclMin, prclMax, &rclResult1, FALSE ) ; if ( !fSuccess ) { return FALSE ; } // Y-axis... fSuccess = FitSegmentInsideSegment ( &rclResult1, prclMin, prclMax, &rclResult2, TRUE ); if ( !fSuccess ) { return FALSE ; } // Done... *prclResult = rclResult2 ; return TRUE ; } //---------------------------------------------------------------------------- // Name: DisplaySourceTextValues() // // Description: Update values for readout display. // // Concepts: These values are displayed in the upper left quadrant of // the Adjust Source Values dialog box. // // Parameters: hwnd - window being painted // // prcl - rectangle whose values are being displayed... // // Returns: VOID // //---------------------------------------------------------------------------- VOID DisplaySourceTextValues ( HWND hwnd, PRECTL prcl ) { BYTE abTemp [ 20 ] ; // Update the cy field... sprintf ( abTemp, "cy: %d", ( prcl->yTop - prcl->yBottom ) + 1 ) ; WinSetDlgItemText ( hwnd, ID_SRC_RCL_TEXT_CY, abTemp ) ; // Update the x2, y2 field... sprintf ( abTemp, "(%d,%d)", prcl->xRight, prcl->yTop ) ; WinSetDlgItemText ( hwnd, ID_SRC_RCL_TEXT_X2_Y2, abTemp ) ; // Update the x1, y1 field... sprintf ( abTemp, "(%d,%d)", prcl->xLeft, prcl->yBottom ) ; WinSetDlgItemText ( hwnd, ID_SRC_RCL_TEXT_X1_Y1, abTemp ) ; // Update the cx field... sprintf ( abTemp, "cx: %d", ( prcl->xRight - prcl->xLeft ) + 1 ) ; WinSetDlgItemText ( hwnd, ID_SRC_RCL_TEXT_CX, abTemp ) ; } //---------------------------------------------------------------------------- // Name: ApplyAspectRatio() // // Description: Applies specified aspect ratio to specified rectangle... // // Concepts: Either the width or the height of the input rect is // to remain the same, while the other dimension changes. // // Parameters: XAspect, YAspect - the components of the aspect ratio -- // usually the literal dimensions of // the rectangle serving as a model // // prclIn - input rectangle // // prclIn - output rectangle // // fAspectKeepX - which dimension stays the same // // Returns: VOID // //---------------------------------------------------------------------------- VOID ApplyAspectRatio ( LONG XAspect, LONG YAspect, PRECTL prclIn, PRECTL prclOut, BOOL fAspectKeepX ) { LONG XLen, YLen ; // Initialize output rectangle... *prclOut = *prclIn ; // If the x-length is to remain the same, while the y-length changes... if ( fAspectKeepX ) { XLen = ( prclIn->xRight - prclIn->xLeft ) + 1 ; YLen = ( ( XLen * YAspect ) + ( XAspect / 2 ) ) / XAspect ; } // Else the y-length is to remain the same, while the x-length changes... else { YLen = ( prclIn->yTop - prclIn->yBottom ) + 1 ; XLen = ( ( YLen * XAspect ) + ( YAspect / 2 ) ) / YAspect ; } // Update output rectangle... prclOut->xRight = ( prclOut->xLeft + XLen ) - 1 ; prclOut->yTop = ( prclOut->yBottom + YLen ) - 1 ; } //---------------------------------------------------------------------------- // Name: UpdateSourceArea() // // Description: Change source rectangle and readouts. // // Concepts: Make sure the source rectangle size and the // upper-left-quadrant of the Adjust Source Area // dialog change at the same time. // // Parameters: hwnd - hwnd of dialog // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- VOID UpdateSourceArea ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { // Change the source rectangle... OvlPutSrcRect ( paiMain->wOverlayDeviceID, &pvi->rclCurSrc, ( HWND ) 0 ) ; // Display the new values... DisplaySourceTextValues ( hwnd, &pvi->rclCurSrc ) ; // If the child of the client is the video window, and the readouts // are active, then force a paint so that the readouts will be // updated. if ( pvi->Style == IDM_VDW_CHILD && pvi->Readout != VVK_RO_NONE ) { WinInvalidateRect ( hwndClient, NULL, FALSE ) ; WinUpdateWindow ( hwndClient ) ; } } //----------------------------------------------------------------------------- // Name: AddLengthToRect() // // Description: Grows a rectangle vertically or horizontally. // // Concepts: Used to "zoom" or "stretch" the source rectangle // larger or smaller. We split the delta and add // the halves to either end. // // Parameters: prclInput - input // // prclOutput - result after growth // // Delta - positive or negative integer // // fAddToWidth - which dimension to add Delta to // // Returns: VOID // //----------------------------------------------------------------------------- VOID AddLengthToRect ( PRECTL prclInput, PRECTL prclResult, LONG Delta, BOOL fAddToWidth ) { PLONG pLoBound, pHiBound ; LONG LoPart, HiPart ; // Init... *prclResult = *prclInput ; // If adding to the width... if ( fAddToWidth ) { // Get useful values... pLoBound = &prclResult->xLeft ; pHiBound = &prclResult->xRight ; // Split the change between the low bound and the high bound.. LoPart = Delta / 2 ; // For example, 7/2 = 3. HiPart = LoPart ; // Therefore LoPart = 3 and HiPart = 3 if ( ( Delta % 2 ) != 0 ) // 7 % 2 is 1. { if ( Delta > 0 ) { HiPart += 1 ; // Here +3 would become +4... } else { HiPart -= 1 ; // Here -3 would become -4... } } } // Else adding to the height... else { // Get useful values... pLoBound = &prclResult->yBottom ; pHiBound = &prclResult->yTop ; // Y values must be multiples of 1... // ... // Split the change between the low bound and the high bound.. LoPart = Delta / 2 ; // For example, 7/2 = 3. HiPart = LoPart ; // Therefore LoPart = 3 and HiPart = 3. if ( ( Delta % 2 ) != 0 ) // 7 % 2 is 1. { if ( Delta > 0 ) { HiPart += 1 ; // Here +3 would become +4... } else { HiPart -= 1 ; // Here -3 would become -4... } } } // Adjust the length on both ends... // // -- if ( Delta > 0 ) then LoPart and HiPart are both > 0 // and segment "aaaaaaaa" is adjusted to become "baaaaaaaab" // // -- if ( Delta < 0 ) then LoPart and HiPart are both < 0 // and segment "aaaaaaaa" is adjusted to become "aaaaaa" // // ...The math works out correctly either way... *pLoBound -= LoPart ; *pHiBound += HiPart ; } //----------------------------------------------------------------------------- // Name: MapInvalidRectToValidRect() // // Description: Clips height and width to specified max and min. // // Concepts: Refuses to let input rectangle shrink inside or grow // outside stated bounds. // // Used to keep our source rect from getting SMALLER than // our dest rect or LARGER than our source buffer. // // Parameters: prclCur - input // // prclResult - output after mapping // // prclMin - the min // // prclMax - the max // // fMapX - whether mapping horz or vert // // Returns: VOID // //----------------------------------------------------------------------------- VOID MapInvalidRectToValidRect ( PRECTL prclCur, PRECTL prclResult, PRECTL prclMin, PRECTL prclMax, BOOL fMapX ) { PLONG pHiBound, pLoBound ; LONG CurLength, MinLength, MaxLength ; // Initialize result... *prclResult = *prclCur ; // Set up values... if ( fMapX ) { MaxLength = ( prclMax->xRight - prclMax->xLeft ) + 1 ; MinLength = ( prclMin->xRight - prclMin->xLeft ) + 1 ; CurLength = ( prclCur->xRight - prclCur->xLeft ) + 1 ; pLoBound = &prclResult->xLeft ; pHiBound = &prclResult->xRight ; } else { MaxLength = ( prclMax->yTop - prclMax->yBottom ) + 1 ; MinLength = ( prclMin->yTop - prclMin->yBottom ) + 1 ; CurLength = ( prclCur->yTop - prclCur->yBottom ) + 1 ; pLoBound = &prclResult->yBottom ; pHiBound = &prclResult->yTop ; } // Fix the length if necessary.... if ( CurLength < MinLength ) { *pHiBound = *pLoBound + MinLength ; } else if ( CurLength > MaxLength ) { *pHiBound = *pLoBound + MaxLength ; } } //----------------------------------------------------------------------------- // Name: ApplyZoomToRect() // // Description: Enlarge or shrink the specified rectangle, maintaining // the specified aspect ratio. // // Concepts: Does zoom processing. // // Parameters: prclInput - input // // prclResult - output after mapping // // NewLength1 - value we are zooming to // // fXLimitsMaxSize - In which dimension, vert or horz, we // will sooner run out of room to expand; // depends on the limiting size and shape // of the source rectangle, and the // of our destination rect. // // AspectX, AspectY - components of aspect ratio // // Returns: VOID // //----------------------------------------------------------------------------- VOID ApplyZoomToRect ( PVIDEOWINDOWINFO pvi, PRECTL prclInput,PRECTL prclResult, LONG NewLength1, BOOL fXLimitsMaxSize, LONG AspectX, LONG AspectY ) { LONG Width, Height, OldLength1, OldLength2, NewLength2 ; RECTL rclResult1, rclResult2, rclResult3 ; // Init... Width = ( prclInput->xRight - prclInput->xLeft ) + 1 ; Height = ( prclInput->yTop - prclInput->yBottom ) + 1 ; // STEP 1: Adjust along 1 axis... // Note: If x limits the max size...i.e. if proportionally increasing // the sides of the source rectangle causes us to run out of // space on the x-axis before we run out of space on the y-axis... // then adjust the x-side first...else adjust the y-side first... // if ( fXLimitsMaxSize ) { OldLength1 = Width ; } else { OldLength1 = Height ; } AddLengthToRect ( prclInput, &rclResult1, NewLength1 - OldLength1, fXLimitsMaxSize ) ; // STEP 2: Map an out-of-range length to the nearest valid length... MapInvalidRectToValidRect ( &rclResult1, &rclResult2, &pvi->rclMinSrc, &pvi->rclMaxSrc, fXLimitsMaxSize ) ; // STEP 3: Adjust along the other axis...using the previous dimensions // of the rectangle as the aspect ratio... // // If we were working on the x-axis we now begin on the y-axis... if ( fXLimitsMaxSize ) { OldLength2 = Height ; NewLength2 = ( ( NewLength1 * AspectY ) + ( AspectX / 2 ) ) / AspectX ; } // Else we were working on the y-axis so we now begin on the x-axis... else { OldLength2 = Width ; NewLength2 = ( ( NewLength1 * AspectX ) + ( AspectY / 2 ) ) / AspectY ; } AddLengthToRect ( &rclResult2, &rclResult3, NewLength2 - OldLength2, fXLimitsMaxSize? 0 : 1 ); // Done...return... *prclResult = rclResult3 ; } //----------------------------------------------------------------------------- // Name: ApplyStretchToRect() // // Description: Like zoom but affects only 1 dimension... // // Concepts: Does stretch processing // // Parameters: prclInput - input // // prclResult - output after mapping // // NewLength1 - value we are stretching // // fApplyToWidth - whether stretching width or height // // Returns: VOID // //----------------------------------------------------------------------------- VOID ApplyStretchToRect ( PVIDEOWINDOWINFO pvi, PRECTL prclInput,PRECTL prclResult, LONG NewLength, BOOL fApplyToWidth ) { RECTL rclResult1, rclResult2 ; LONG OldLength ; // Init... if ( fApplyToWidth ) { OldLength = ( prclInput->xRight - prclInput->xLeft ) + 1 ; } else { OldLength = ( prclInput->yTop - prclInput->yBottom ) + 1 ; } // Add the length to the rectangle... AddLengthToRect ( prclInput, &rclResult1, NewLength - OldLength, fApplyToWidth ) ; // Map an out-of-range dimension to the nearest valid dimension... MapInvalidRectToValidRect ( &rclResult1, &rclResult2, &pvi->rclMinSrc, &pvi->rclMaxSrc, fApplyToWidth ) ; // Stretch affects only 1 dimension at a time...so no need to // figure the second dimension by using the first dimension and // the aspect ratio. // Done...return... *prclResult = rclResult2 ; } //---------------------------------------------------------------------------- // Name: AttemptVerticalPan // // Description: Slides rectangle up or down within enclosing rectangle. // // Concepts: Used to slide our source rect within source buffer. // // Parameters: hwnd - handle of Adjust Source Area rectangle // // mp2 - mp2 value from WM_VSCROLL message // // Returns: TRUE if successful, else FALSE // //---------------------------------------------------------------------------- BOOL AttemptVerticalPan ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi ) { RECTL rclProposed, rclResult ; LONG Delta ; BOOL fSuccess, fDoPan ; // Initialize... fDoPan = TRUE ; rclProposed = pvi->rclCurSrc ; // Get the scroll bar command... switch ( SHORT2FROMMP ( mp2 ) ) { case SB_LINEUP : Delta = + ( pvi->DeltaLineVertPan ) ; break; case SB_LINEDOWN : Delta = - ( pvi->DeltaLineVertPan ) ; break; case SB_PAGEUP : Delta = + ( pvi->DeltaPageVertPan ) ; break; case SB_PAGEDOWN : Delta = - ( pvi->DeltaPageVertPan ) ; break; case SB_SLIDERPOSITION : fDoPan = FALSE ; break; case SB_SLIDERTRACK : // Flip the thumb value, since we are treating this // scroll bar as "upside down"... Delta = VVM_VSCROLL_TO_SOURCE( pvi->SrcVSBLength, pvi->SrcVSBThumbSize, SHORT1FROMMP ( mp2 ) ) ; // Delta is ( new position - old position )... Delta = Delta - rclProposed.yBottom ; // Adjust for 1-pel boundary... if ( Delta > 0 ) { Delta += 1 ; } else { Delta -= 1 ; } break; case SB_ENDSCROLL : fDoPan = FALSE ; break; } // End of command switch... // If we are to make a change... if ( fDoPan ) { // Determine whether the proposed shift can be fitted // into the video source buffer... rclProposed.yBottom += Delta ; rclProposed.yTop += Delta ; fSuccess = FitSegmentInsideSegment ( &rclProposed, &pvi->rclMinSrc, &pvi->rclMaxSrc, &rclResult, TRUE ) ; // If the fit was successful... // ...Copy the change into the current source rectangle... // and return success... if ( fSuccess ) { pvi->rclCurSrc = rclResult ; return TRUE ; } } return FALSE ; } //---------------------------------------------------------------------------- // Name: AttemptHorizontalPan // .. // Description: Slides rectangle left or right within enclosing rectangle... // // Concepts: Used to slide our source rect within source buffer. // // Parameters: hwnd - handle of Adjust Source Area rectangle // // mp2 - mp2 value from WM_VSCROLL message // // Returns: TRUE if successful, else FALSE // //---------------------------------------------------------------------------- BOOL AttemptHorizontalPan ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi ) { RECTL rclProposed, rclResult ; LONG Delta ; BOOL fSuccess, fDoPan ; // Initialize... fDoPan = TRUE ; rclProposed = pvi->rclCurSrc ; // Get the scroll bar command... switch ( SHORT2FROMMP ( mp2 ) ) { case SB_LINERIGHT : Delta = + ( pvi->DeltaLineHorzPan ) ; break; case SB_LINELEFT : Delta = - ( pvi->DeltaLineHorzPan ) ; break; case SB_PAGERIGHT : Delta = + ( pvi->DeltaPageHorzPan ) ; break; case SB_PAGELEFT : Delta = - ( pvi->DeltaPageHorzPan ) ; break; case SB_SLIDERPOSITION : fDoPan = FALSE ; break; case SB_SLIDERTRACK : // Delta is ( new position - old position )... Delta = SHORT1FROMMP ( mp2 ) - rclProposed.xLeft ; break; case SB_ENDSCROLL : fDoPan = FALSE ; break; } // End of command switch... // If we are to make a change... if ( fDoPan ) { // Determine whether the proposed shift can be fitted // into the video source buffer... rclProposed.xLeft += Delta ; rclProposed.xRight += Delta ; fSuccess = FitSegmentInsideSegment ( &rclProposed, &pvi->rclMinSrc, &pvi->rclMaxSrc, &rclResult, FALSE ) ; // If the fit was successful... // ...Copy the change into the current source rectangle... // and return success... if ( fSuccess ) { pvi->rclCurSrc = rclResult ; return TRUE ; } } return FALSE ; } //---------------------------------------------------------------------------- // Name: AttemptZoom // // Description: Try stretching horizontally and vertically with given // aspect ratio. // // Concepts: High level zooming function. // // Parameters: hwnd - handle of Adjust Source Area rectangle // // mp2 - mp2 value from WM_CONTROL message // // Returns: TRUE if successful, else FALSE // //---------------------------------------------------------------------------- BOOL AttemptZoom ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi ) { RECTL rclCurrent, rclResult1, rclResult2 ; BOOL fSuccess ; // Initialize... rclCurrent = pvi->rclCurSrc ; // Apply the change to a temporary rectangle... ApplyZoomToRect ( pvi, &rclCurrent, &rclResult1, SHORT1FROMMP ( mp2 ), pvi->fSrcZoomXLimitsMaxSize, pvi->SrcAspectX, pvi->SrcAspectY ) ; // Determine whether the proposed zoom can be // fitted into the video source buffer... fSuccess = FitRectInsideRect ( &rclResult1, &rclResult2, &pvi->rclMinSrc, &pvi->rclMaxSrc ) ; // If the fit was successful... // ...Copy the change into the current source rectangle... // and return success... if ( fSuccess ) { pvi->rclCurSrc = rclResult2 ; return TRUE ; } return FALSE ; } //---------------------------------------------------------------------------- // Name: AttemptStretch // // Description: Try stretching horizontally or vertically independently // of any aspect ratio. // // Concepts: High level zooming function. // // Parameters: hwnd - handle of Adjust Source Area rectangle // // mp2 - mp2 value from WM_CONTROL message // // Returns: TRUE if successful, else FALSE // //---------------------------------------------------------------------------- BOOL AttemptStretch ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi, BOOL fApplyToWidth ) { RECTL rclCurrent, rclResult1, rclResult2 ; BOOL fSuccess ; // Initialize... rclCurrent = pvi->rclCurSrc ; // Apply the change to a temporary rectangle... ApplyStretchToRect ( pvi, &rclCurrent, &rclResult1, SHORT1FROMMP ( mp2 ), fApplyToWidth ) ; // Determine whether the proposed stretch can be // fitted into the video source buffer... fSuccess = FitRectInsideRect ( &rclResult1, &rclResult2, &pvi->rclMinSrc, &pvi->rclMaxSrc ) ; // If the fit was successful... // ...Copy the change into the current source rectangle... // and return success... if ( fSuccess ) { pvi->rclCurSrc = rclResult2 ; return TRUE ; } return FALSE ; } //---------------------------------------------------------------------------- // Name: ChangeVideoWindowStyle() // // Description: Change type or shape of video window... // // Concepts: We allow different sizes and shapes of destination. // When the destination changes, we have to make // adjustments in our client area, controls, and colors. // // Parameters: NewStyle - the new style selected from the menu. // // Returns: VOID // //---------------------------------------------------------------------------- VOID ChangeVideoWindowStyle( PVIDEOWINDOWINFO pvi, LONG OldStyle, LONG NewStyle ) { RECTL rclNewClient, rclNewFrame, rclDlg, rclOldClient ; PRECTL prcl, prclDst, prclDlg, prclFrame ; LONG Width, Height, NewWidth, NewHeight ; HWND hwnd, hwndDlg ; BOOL fChangeSrcArea ; HWND hwndVideo ; // If the client size is to be changed... if ( NewStyle != OldStyle ) { // Get the client size in world coordinates... rclOldClient = pvi->rclClientOnDesktop ; rclNewClient = pvi->rclClientOnDesktop ; prcl = &rclNewClient ; // Get a pointer to the default destination rectangle for this // style... if ( NewStyle == IDM_VDW_CHILD ) // Child uses 1/4 screen client... { prclDst = &pvi->prclDstRects [ IDM_VDW_CLIENT_04TH_EXTENT - IDM_VDW_CHILD ] ; } else { prclDst = &pvi->prclDstRects [ NewStyle - IDM_VDW_CHILD ] ; } // Now set the values for the client area... // // First, if we are switching to full screen, then set xLeft // and yBottom to 0, otherwise use the current values... if ( NewStyle == IDM_VDW_CLIENT_FULL_EXTENT ) { prcl->xLeft = 0 ; prcl->yBottom = 0 ; } // Get the default width and height... Width = ( prclDst->xRight - prclDst->xLeft ) + 1 ; Height = ( prclDst->yTop - prclDst->yBottom ) + 1 ; // Now set the xRight and yBottom values... prcl->xRight = prcl->xLeft + ( Width - 1 ) ; prcl->yTop = prcl->yBottom + ( Height - 1 ) ; // Calculate the corresponding frame rectangle...still in // world coordinates... rclNewFrame = rclNewClient ; prclFrame = &rclNewFrame ; WinCalcFrameRect ( hwndFrame, prclFrame, FALSE ) ; // Get the new width and height for the frame... NewWidth = ( prclFrame->xRight - prclFrame->xLeft ) + 1 ; NewHeight = ( prclFrame->yTop - prclFrame->yBottom ) + 1 ; // Make the client adjacent to the source-adjust-dialog... hwndDlg = paiMain->hwndSourceDlg ; if ( hwndDlg != 0 && NewStyle != IDM_VDW_CLIENT_FULL_EXTENT ) { // Get values for dialog rectangle... prclDlg = &rclDlg ; WinQueryWindowRect ( hwndDlg, prclDlg ) ; WinMapWindowPoints ( hwndDlg, HWND_DESKTOP, ( PPOINTL ) prclDlg, 2 ) ; // Determine new position... if ( prclFrame->xLeft < prclDlg->xLeft ) { prclFrame->xLeft = prclDlg->xLeft - NewWidth ; prclFrame->yBottom = prclDlg->yTop - NewHeight ; } else { prclFrame->xLeft = prclDlg->xRight ; prclFrame->yBottom = prclDlg->yTop - NewHeight ; } } // else... else if ( NewStyle != IDM_VDW_CLIENT_FULL_EXTENT ) { prclFrame->xLeft = rclOldClient.xLeft ; prclFrame->yBottom = rclOldClient.yBottom ; } // Set the frame to the newly calculated position... WinSetWindowPos ( hwndFrame, 0L , prclFrame->xLeft, prclFrame->yBottom, NewWidth, NewHeight, SWP_MOVE | SWP_SIZE ) ; // Query and store the new frame position.... WinQueryWindowRect ( hwndFrame, &pvi->rclFrame ) ; // If we are switching TO or FROM a child window... if ( ( NewStyle == IDM_VDW_CHILD ) || ( OldStyle == IDM_VDW_CHILD ) ) { // If switching TO...make required changes... // -- Client background is white... // -- Choose alternate foreground to avoid white-on-white... // -- Disable the white-foreground alternative on the menu list... // -- Show the child... // -- New video window is child... // if ( NewStyle == IDM_VDW_CHILD ) { pvi->clrClientBG = CLR_WHITE ; WinEnableMenuItem ( hwndMenu, IDM_RDTCLR_WHITE, FALSE ) ; pvi->SaveReadout = pvi->Readout ; if ( pvi->Readout == VVK_RO_WHITE ) { pvi->Readout = VVK_RO_BLACK ; MapReadoutToClr ( VVK_RO_BLACK, &pvi->clrClientFG ) ; WinCheckMenuItem ( hwndMenu, IDM_RDTCLR_NONE + pvi->SaveReadout, FALSE ) ; WinCheckMenuItem ( hwndMenu, IDM_RDTCLR_BLACK, TRUE ) ; } hwndVideo = hwndChild ; } // Else switching FROM...make required changes... // -- Client background is pink... // -- No requirement for alternate forground... // -- Re-enable white-foreground alternative on the menu list... // -- Hide the child... // -- New video window is client... else { pvi->clrClientBG = CLR_PINK ; WinEnableMenuItem ( hwndMenu, IDM_RDTCLR_WHITE, TRUE ) ; if ( pvi->SaveReadout != VVK_RO_NONE && pvi->Readout != pvi->SaveReadout ) { WinCheckMenuItem ( hwndMenu, IDM_RDTCLR_NONE + pvi->Readout, FALSE ) ; WinCheckMenuItem ( hwndMenu, IDM_RDTCLR_NONE + pvi->SaveReadout, TRUE ) ; MapReadoutToClr ( pvi->SaveReadout, &pvi->clrClientFG ) ; pvi->Readout = pvi->SaveReadout ; } hwndVideo = hwndClient ; } // Force a fill of the client area... fDoFill = TRUE ; // If going TO child...then refocus video and show the window... if ( NewStyle == IDM_VDW_CHILD ) { // Set a new video window...this takes a little time...and // show the child... OvlSetVideoWindow ( paiMain->wOverlayDeviceID, hwndVideo ) ; WinSetWindowPos ( hwndChild, 0L , 0, 0, 0, 0, SWP_SHOW ) ; } // Else going FROM child...then hide it now... else { WinSetWindowPos ( hwndChild, 0L , 0, 0, 0, 0, SWP_HIDE ) ; OvlSetVideoWindow ( paiMain->wOverlayDeviceID, hwndVideo ) ; } } // Determine whether we need to change the source area... fChangeSrcArea = MakeSrcPropToNewDst ( pvi, OldStyle, NewStyle ) ; // If the source area is to be changed...then make the change and // update the controls... if ( fChangeSrcArea ) { hwnd = paiMain->hwndSourceDlg ; UpdateSourceArea ( hwnd, pvi ) ; UpdatePanScrollBarCharacteristics ( hwnd, pvi ) ; UpdateSourceZoomCharacteristics ( hwnd, pvi ) ; UpdateHorzStretchCharacteristics ( hwnd, pvi ) ; UpdateVertStretchCharacteristics ( hwnd, pvi ) ; } // Save the new style... pvi->Style = NewStyle ; // If the readouts are active then force a paint of the // client area if ( pvi->Readout != VVK_RO_NONE ) { WinInvalidateRect ( hwndClient, NULL, FALSE ) ; WinUpdateWindow ( hwndClient ) ; } // If we are changing to full screen... if ( NewStyle == IDM_VDW_CLIENT_FULL_EXTENT ) { WinMessageBox ( HWND_DESKTOP, HWND_DESKTOP, (PCH) szFullScreenMessage, ( PCH ) "Full Screen Client Area", ID_MESSAGEBOX, MB_OK | MB_SYSTEMMODAL | MB_ICONEXCLAMATION ); } // Uncheck the menu item for the old style...and check the menu // item for the new style... WinCheckMenuItem ( hwndMenu, OldStyle, FALSE ) ; WinCheckMenuItem ( hwndMenu, NewStyle, TRUE ) ; } } //---------------------------------------------------------------------------- // Name: SourceControlDialogProc // // Description: Window function for source control. // // Concepts: Includes circular sliders for zoom and stretch, horz // and vert scroll bars for panning, readouts in upper // left quadrant, and button for switching between // zoom and stretch. // // Parameters: Std dialog proc parms // // Returns: Std dialog proc returns // //---------------------------------------------------------------------------- MRESULT EXPENTRY SourceControlDialogProc ( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) { PRECTL prcl ; BOOL fSuccess ; PVIDEOWINDOWINFO pvi ; switch(msg) { case WM_INITDLG : // Initialize pointer to video window info... pvi = &paiMain->vwiInfo ; // Set initial mode to Zoom... pvi->fZoom = TRUE ; // Get a pointer to the source buffer rectangle current values... prcl = &pvi->rclCurSrc ; // Display the source buffer coordinates... DisplaySourceTextValues ( hwnd, prcl ) ; // Update the pan scroll bars to reflect the current range and position... UpdatePanScrollBarCharacteristics ( hwnd, pvi ) ; // Update the circular slider to reflect the current range and position... UpdateSourceZoomCharacteristics ( hwnd, pvi ) ; // Update the stretch scroll bars to reflect the current range and position... UpdateHorzStretchCharacteristics ( hwnd, pvi ) ; UpdateVertStretchCharacteristics ( hwnd, pvi ) ; return( (MRESULT) 0); case WM_COMMAND : // Get the pushbutton id... switch ( SHORT1FROMMP ( mp1 ) ) { // User selected zoom/stretch toggle switch... case ID_SRC_RCL_ZOOMSTRETCH: // Initialize pointer to video window info... pvi = &paiMain->vwiInfo ; // Show the appropriate set of windows... if ( pvi->fZoom ) { pvi->fZoom = FALSE ; } else { pvi->fZoom = TRUE ; } ToggleSourceControlDialog ( paiMain->hwndSourceDlg, pvi ) ; break; default: break; } // End of command switch... return ( MRESULT ) 0 ; case WM_VSCROLL : // Switch on the scroll window id... switch ( SHORT1FROMMP ( mp1 ) ) { // It's the vertical *pan* scroll bar... case ID_SRC_RCL_PAN_VERT: // Initialize pointer to video window info... pvi = &paiMain->vwiInfo ; // Try to pan.... fSuccess = AttemptVerticalPan ( hwnd, mp2, pvi ) ; // If successful...then update the display and // change the overlay... // // Note: Pan will always be successful, unless the // source area is already at the max. boundary in the // direction of scroll... // if ( fSuccess ) { UpdateSourceArea ( hwnd, pvi ) ; SetVerticalScrollBarPosition ( hwnd, pvi ) ; } break ; } // End of switch on vertical scroll window id.... return ( MRESULT ) 0 ; case WM_HSCROLL : // Switch on the scroll window id... switch ( SHORT1FROMMP ( mp1 ) ) { // It's the horizontal *pan* scroll bar... case ID_SRC_RCL_PAN_HORZ: // Initialize pointer to video window info... pvi = &paiMain->vwiInfo ; // Try to pan.... fSuccess = AttemptHorizontalPan ( hwnd, mp2, pvi ) ; // If successful...then update the display and // change the overlay... // // Note: Pan will always be successful, unless the // source area is already at the max. boundary in the // direction of scroll... // if ( fSuccess ) { UpdateSourceArea ( hwnd, pvi ) ; SetHorizontalScrollBarPosition ( hwnd, pvi ) ; } break ; } // End of switch on vertical scroll window id.... return ( MRESULT ) 0 ; case WM_CONTROL: // Initialize pointer to video window info... pvi = &paiMain->vwiInfo ; // Switch on the id... switch ( SHORT1FROMMP ( mp1 ) ) { // Our zoom circular slider... case ID_SRC_RCL_ZOOM_CONTROL: // Switch on the message... switch ( SHORT2FROMMP ( mp1 ) ) { case CSN_SETFOCUS : case CSN_QUERYBACKGROUNDCOLOR : break; case CSN_CHANGED: case CSN_TRACKING: // Try to zoom... fSuccess = AttemptZoom ( hwnd, mp2, pvi ) ; // If successful...then update the display and // change the overlay... // // Note: Zoom will always be successful, unless the // source area is already at the max. boundary in the // direction of scroll... // if ( fSuccess ) { UpdatePanScrollBarCharacteristics (hwnd, pvi); UpdateSourceArea ( hwnd, pvi ) ; } break; // End of CSN_CHANGED case... } // End of switch on the message... break ; // End of case ID_SRC_RCL_ZOOM_CONTROL: // Our horizontal stretch circular slider... case ID_SRC_RCL_STRETCH_HORZ: // Switch on the message... switch ( SHORT2FROMMP ( mp1 ) ) { case CSN_SETFOCUS : case CSN_QUERYBACKGROUNDCOLOR : break; case CSN_CHANGED: case CSN_TRACKING: // Try to stretch... fSuccess = AttemptStretch ( hwnd, mp2, pvi, TRUE ) ; // If successful...then update the display and // change the overlay... // // Note: Stretch will always be successful, unless the // source area is already at the max. boundary in the // direction of stretch... // if ( fSuccess ) { UpdatePanScrollBarCharacteristics ( hwnd, pvi ) ; UpdateSourceArea ( hwnd, pvi ) ; } break; // End of CSN_CHANGED case... } // End of switch on the message... break ; // End of case ID_SRC_RCL_STRETCH_HORZ: // Our vertical stretch circular slider... case ID_SRC_RCL_STRETCH_VERT: // Switch on the message... switch ( SHORT2FROMMP ( mp1 ) ) { case CSN_SETFOCUS : case CSN_QUERYBACKGROUNDCOLOR : break; case CSN_CHANGED: case CSN_TRACKING: // Try to stretch... fSuccess = AttemptStretch ( hwnd, mp2, pvi, FALSE ) ; // If successful...then update the display and // change the overlay... // // Note: Stretch will always be successful, unless the // source area is already at the max. boundary in the // direction of stretch... // if ( fSuccess ) { UpdatePanScrollBarCharacteristics ( hwnd, pvi ) ; UpdateSourceArea ( hwnd, pvi ) ; } break; // End of CSN_CHANGED case... } // End of switch on the message... break ; // End of case ID_SRC_RCL_STRETCH_HORZ: } // End of switch on the control id... return ( MRESULT ) 0 ; // End of WM_CONTROL case... case WM_CLOSE: // Zero our copy of the handle... paiMain->hwndSourceDlg = ( HWND ) 0 ; return ( WinDefDlgProc ( hwnd, msg, mp1, mp2 ) ) ; case WM_DESTROY: // Zero our copy of the handle... paiMain->hwndSourceDlg = ( HWND ) 0 ; return ( MRESULT ) 0 ; default: return ( WinDefDlgProc ( hwnd, msg, mp1, mp2 ) ) ; } return ( MRESULT ) 0 ; } //---------------------------------------------------------------------------- // Name: ToggleSourceControlDialog // // Description: Switch between stretch mode and zoom mode. // // Concepts: In a real-life application overlay management wd // probably not be so complex; but here we are trying // to manage 2 different modes of adjustments (stretch // and zoom), applying several restrictions( source rect // cannot be bigger than source buffer nor smaller than // destination rectangle; during zoom, source and dest // rects must have same aspect ratio), and managing // several controls and readouts. // // Parameters: hwnd - the handle of Source Area Control dialog // // pvi - Pointer to a VIDVIEW-specific structure of // associated video parameters. // // Returns: VOID // //---------------------------------------------------------------------------- SZ szStretch [] = "Stretch" ; SZ szZoom [] = "Zoom" ; VOID ToggleSourceControlDialog ( HWND hwnd, PVIDEOWINDOWINFO pvi ) { PLONG pHide, pShow, p ; LONG i, Width, Height, LoBound, HiBound ; LONG XOrgWnd, YOrgWnd, XOrgText, YOrgText, XOrgCy, YOrgCy ; RECTL rclResult1, rclResult2 ; PRECTL prclR1 ; BOOL fSuccess = TRUE ; PSZ pszPushButtonText ; RECTL rclTemp ; POINTL ptlMap ; PPOINTL pptl ; // If we are switching to zoom... if ( pvi->fZoom ) { // Arrange to hide the stretch windows and show the zoom windows... pHide = aStretchWindowIDs ; pShow = aZoomWindowIDs ; // Get access to data... rclResult1 = pvi->rclCurSrc ; prclR1 = &rclResult1 ; LoBound = pvi->SrcZoomLoBound ; HiBound = pvi->SrcZoomHiBound ; // If x limits the max. size... if ( pvi->fSrcZoomXLimitsMaxSize ) { // Get the width...clip to current bounds... Width = ( prclR1->xRight - prclR1->xLeft ) + 1 ; if ( Width < LoBound ) { Width = LoBound ; } else if ( Width > HiBound ) { Width = HiBound ; } // Make the height a function of the width... Height = ( ( Width * pvi->SrcAspectY ) + ( pvi->SrcAspectX / 2 ) ) / pvi->SrcAspectX ; } // else y limits the max size... else { // Get the height...clip to current bounds... Height = ( prclR1->yTop - prclR1->yBottom ) + 1 ; if ( Height < LoBound ) { Height = LoBound ; } else if ( Height > HiBound ) { Height = HiBound ; } // Make the width a function of the height... Width = ( ( Height * pvi->SrcAspectX ) + ( pvi->SrcAspectY / 2 ) ) / pvi->SrcAspectY ; } // Set the new rectangle coordinates... prclR1->xRight = prclR1->xLeft + ( Width - 1 ) ; prclR1->yTop = prclR1->yBottom + ( Height - 1 ) ; // Fit the correct-aspect-ratio rectangle into the video source buffer... fSuccess = FitRectInsideRect ( &rclResult1, &rclResult2, &pvi->rclMinSrc, &pvi->rclMaxSrc ) ; // If the fit was successful... // ...Copy the change into the current source rectangle... // and return success... if ( fSuccess ) { pvi->rclCurSrc = rclResult2 ; } // Update the zoom control characteristics to reflect the // current range and position... UpdateSourceZoomCharacteristics ( hwnd, pvi ) ; } // Else we are to stretch... else { // Arrange to hide the zoom windows and show the stretch windows... pHide = aZoomWindowIDs ; pShow = aStretchWindowIDs ; // Update the stretch scroll bars to reflect the current range and position... UpdateHorzStretchCharacteristics ( hwnd, pvi ) ; UpdateVertStretchCharacteristics ( hwnd, pvi ) ; } // If successful... if ( fSuccess ) { // Get the current window size...and map to desktop coords... WinQueryWindowRect ( hwnd, &rclTemp ) ; Width = rclTemp.xRight ; Height = rclTemp.yTop ; WinMapWindowPoints ( hwnd, HWND_DESKTOP, ( PPOINTL ) &rclTemp, 2 ) ; XOrgWnd = rclTemp.xLeft ; YOrgWnd = rclTemp.yBottom ; // Initialize changes if we have not already done so... // ...We do this only once per existence of the source control dlg... // ...These are the values used when changing from the Zoom // mode to the Stretch mode...We have to: // -- Determine the difference in the height of the dialog window // -- Determine the (x, y) of the "cy" control for Zoom and Stretch // -- Determine the (x, y) of the "Vert Pan" control for Zoom and Stretch if ( pvi->HeightDifference == 0 ) { // Determine differnce in height.. pptl = &ptlMap ; pptl->x = 0 ; pptl->y = 10 ; WinMapDlgPoints ( hwnd, pptl, 1, TRUE ) ; pvi->HeightDifference = pptl->y ; // Determ cy and text locations for zoom... pptl = &pvi->OrgCyForZoom ; pptl->x = 58 ; pptl->y = 61 ; WinMapDlgPoints ( hwnd, pptl, 1, TRUE ) ; pptl = &pvi->OrgTextForZoom ; pptl->x = 70 ; pptl->y = 73 ; WinMapDlgPoints ( hwnd, pptl, 1, TRUE ) ; // Determ cy and text locations for stretch pptl = &pvi->OrgCyForStretch ; pptl->x = 16 ; pptl->y = 84 ; WinMapDlgPoints ( hwnd, pptl, 1, TRUE ) ; pptl = &pvi->OrgTextForStretch ; pptl->x = 88 ; pptl->y = 84 ; WinMapDlgPoints ( hwnd, pptl, 1, TRUE ) ; } // If switching to zoom... if ( pvi->fZoom ) { // Make the pushbutton say "stretch"... pszPushButtonText = szStretch ; // Get the values for this mode... Height -= pvi->HeightDifference ; YOrgWnd += pvi->HeightDifference ; XOrgCy = pvi->OrgCyForZoom.x ; YOrgCy = pvi->OrgCyForZoom.y ; XOrgText = pvi->OrgTextForZoom.x ; YOrgText = pvi->OrgTextForZoom.y ; } // Else switching to stretch... else { // Make the pushbutton say "zoom"... pszPushButtonText = szZoom ; // Get the values for this mode... Height += pvi->HeightDifference ; YOrgWnd -= pvi->HeightDifference ; XOrgCy = pvi->OrgCyForStretch.x ; YOrgCy = pvi->OrgCyForStretch.y ; XOrgText = pvi->OrgTextForStretch.x ; YOrgText = pvi->OrgTextForStretch.y ; } // Change the text of the push button... WinSetDlgItemText ( hwnd, ID_SRC_RCL_ZOOMSTRETCH, pszPushButtonText ) ; // Change the height and position of the window... WinSetWindowPos ( hwnd, 0L, XOrgWnd, YOrgWnd, Width, Height, SWP_SIZE|SWP_MOVE ); // Move the controls... WinSetWindowPos ( WinWindowFromID (hwnd, ID_SRC_RCL_TEXT_CY), 0L, XOrgCy, YOrgCy, 0, 0, SWP_MOVE ) ; WinSetWindowPos ( WinWindowFromID (hwnd, ID_SRC_RCL_PAN_V_LABEL), 0L, XOrgText, YOrgText, 0, 0, SWP_MOVE ) ; // Do the hides... for ( i = 0, p = pHide; i < 3; i++, p++ ) { if ( ( LONG ) *p != 0 ) { WinSetWindowPos ( WinWindowFromID ( hwnd, *p ), 0,0,0,0,0, SWP_HIDE ); } } // Update the pan scroll bars and the readouts... UpdatePanScrollBarCharacteristics (hwnd, pvi ); UpdateSourceArea ( hwnd, pvi ) ; // Do the shows... for ( i = 0, p = pShow; i < 3; i++, p++ ) { if ( ( LONG ) *p != 0 ) { WinSetWindowPos ( WinWindowFromID ( hwnd, *p ), 0,0,0,0,0, SWP_SHOW ); } } } } //***************************************************************************** //***************************************************************************** */ //*** //*** MCI Calls Section //*** -- Overlay calls... //*** -- General calls... ==> see VIDVIEW.C //*** -- Videodisc calls... ==> see VIDVIEW.C //*** //***************************************************************************** //***************************************************************************** //----------------------------------------------------------------------------- // Name: OvlSetVideoWindow() // // Description: Tells overlay device to make the specified window the // video window. // // Concepts: Sets window to which the overlay device will direct // video. Thereafter the overlay device manages video // update when the window is moved or uncovered. Application // is resp for correct aspect ratio (size and shape of // window, or of destination rectangle within window, and // keeping the destination painted CLR_PINK so that // video will show through. The window class has to be // registered CS_SIZEREDRAW and CS_MOVENOTIFY. // // Parameters: wDeviceID - the overlay device // // hwndAlternate - the new video window // // Returns: Return code from mciSendCommand() // //----------------------------------------------------------------------------- DWORD OvlSetVideoWindow (WORD wDeviceID, HWND hwndAlternate) { WORD wUserParm = 0; DWORD dwReturnCode; MCI_VID_WINDOW_PARMS mciWindowParms; memset (&mciWindowParms, 0x00, sizeof (MCI_VID_WINDOW_PARMS)); mciWindowParms.dwCallback = (DWORD)hwndNotify; mciWindowParms.hwndDest = hwndAlternate; dwReturnCode = mciSendCommand ( wDeviceID, MCI_WINDOW, MCI_WAIT | MCI_OVLY_WINDOW_HWND, ( DWORD )&mciWindowParms, wUserParm ) ; return dwReturnCode ; } //---------------------------------------------------------------------------- // Name: OvlPutSrcRect () // // Description: Sets source area rectangle size and shape. // // Concepts: Source buffer is conceptual 706 by 484 buffer containing // incoming source image. This call determines what rectangle // with this source buffer will be shown. // // Parameters: wDeviceID - overlay device id // // prcl - source rectangle // // hwndCallback - handle for MCI_NOTIFY notification. // // Returns: Return code from mciSendCommand() // //---------------------------------------------------------------------------- DWORD OvlPutSrcRect ( WORD wDeviceID, PRECTL prcl, HWND hwndCallback ) { MCI_OVLY_RECT_PARMS mciRectParms; memset ( &mciRectParms, 0x00, sizeof ( MCI_OVLY_RECT_PARMS ) ); mciRectParms.dwCallback = ( DWORD ) hwndCallback ; mciRectParms.rc = *prcl ; return mciSendCommand ( wDeviceID, MCI_PUT, MCI_OVLY_PUT_RECT | MCI_OVLY_PUT_SOURCE | MCI_WAIT, ( DWORD ) &mciRectParms, 0 ); } //---------------------------------------------------------------------------- // Name: OvlPutDstRect // // Description: Sets destination rectangle size and shape. // // Concepts: The input rectangle is in coordinates relative to the // current video window. // // Example: // // a) Video window is at // xLeft,yBottom, xRight,yTop=(10,10, 181,129) // relative to its parent. // // Relative to itself, the video window is at // (0,0, 172,119). // // b) The application calls OvlPutDstRect() with the // rectangle (0,0, 172,119). // // c) The video destination rectangle overlays the // video window and is the same size. // // Notes: // // #1. Notice that some PM functions, such as // WinQueryWindowRect(), return a rectangle that is // 1 pel larger in height and width than the // actual window. // // For example, if WinQueryWindowRect() were called with // the hwnd of the video window in the example above, // it wd return the rectangle (0,0, 172,120). // // #2. Notice that the application may use ONLY PART of the // video window as the video destination, by specifying // a sub-rectangle of the video window in OvlPutDstRect(). // // #3. For video to be seen, the destination rect must be // painted with CLR_PINK. // // // Parameters: wDeviceID - overlay device id // // prcl - source rectangle // // hwndCallback - handle for MCI_NOTIFY notification. // // Returns: Return code from mciSendCommand() // //---------------------------------------------------------------------------- DWORD OvlPutDstRect ( WORD wDeviceID, PRECTL prcl, HWND hwndCallback ) { MCI_OVLY_RECT_PARMS mciRectParms; memset ( &mciRectParms, 0x00, sizeof ( MCI_OVLY_RECT_PARMS ) ); mciRectParms.dwCallback = ( DWORD ) hwndCallback ; mciRectParms.rc = *prcl ; return mciSendCommand ( wDeviceID, MCI_PUT, MCI_OVLY_PUT_RECT | MCI_OVLY_PUT_DESTINATION | MCI_WAIT, ( DWORD ) &mciRectParms, 0 ); } //---------------------------------------------------------------------------- // Name: OvlGetSrcExtRect // // Description: Gets extent of maximum source rectangle size. // // Concepts: Uses MCI_GETDEVCAPS calls to get the maximum // width and height of the video source buffer. // // Parameters: wDeviceID - overlay device id // // hwndCallback - handle for MCI_NOTIFY notification. // // pdwXExtent, pdwYExtent - pointers to return values; // the CALLER must make sure that these pointers // point to valid DWORDS that the caller owns. // // Returns: Return code from mciSendCommand() // //---------------------------------------------------------------------------- DWORD OvlGetSrcExtRect ( WORD wDeviceID, HWND hwndCallback, DWORD *pdwXExtent, DWORD *pdwYExtent ) { MCI_GETDEVCAPS_PARMS mciDevCapsParms; DWORD dwReturn ; // Initialize... *pdwXExtent = 0 ; *pdwYExtent = 0 ; // Get the x value... memset ( &mciDevCapsParms, 0x00, sizeof ( MCI_GETDEVCAPS_PARMS ) ); mciDevCapsParms.dwCallback = ( DWORD ) hwndCallback ; mciDevCapsParms.dwItem = MCI_OVLY_GETDEVCAPS_VIDEO_X_EXTENT; dwReturn = mciSendCommand ( wDeviceID, MCI_GETDEVCAPS, MCI_GETDEVCAPS_ITEM | MCI_WAIT, ( DWORD ) &mciDevCapsParms, 0 ) ; if ( LOUSHORT ( dwReturn ) != MCIERR_SUCCESS ) { return dwReturn ; } *pdwXExtent = mciDevCapsParms.dwReturn ; // Get the y value... memset ( &mciDevCapsParms, 0x00, sizeof ( MCI_GETDEVCAPS_PARMS ) ); mciDevCapsParms.dwCallback = ( DWORD ) hwndCallback ; mciDevCapsParms.dwItem = MCI_OVLY_GETDEVCAPS_VIDEO_Y_EXTENT; dwReturn = mciSendCommand ( wDeviceID, MCI_GETDEVCAPS, MCI_GETDEVCAPS_ITEM | MCI_WAIT, ( DWORD ) &mciDevCapsParms, 0 ) ; if ( LOUSHORT ( dwReturn ) != MCIERR_SUCCESS ) { return dwReturn ; } *pdwYExtent = mciDevCapsParms.dwReturn; return dwReturn ; } //---------------------------------------------------------------------------- // Name: OvlGetDstRect // // Description: Get destination rectangle position. // // Concepts: The rectangle returned contains the coordinates // of the video destination RELATIVE TO THE VIDEO WINDOW. // // The destination rectangle may cover the entire video // window or a portion of it. Active video will show // through at the destination only where it is covered // with the color CLR_PINK. // // See OvlPutDstRect(). // // Parameters: wDeviceID - overlay device id // // hwndCallback - handle for MCI_NOTIFY notification. // // prcl - pointer to return rectangle // the CALLER must make sure that these pointers // point to valid RECTL that the caller owns. // // Returns: Return code from mciSendCommand() // //---------------------------------------------------------------------------- DWORD OvlGetDstRect ( WORD wDeviceID, HWND hwndCallback, PRECTL prcl ) { MCI_OVLY_RECT_PARMS mciRectParms ; DWORD dwReturn ; // Get the values... memset ( &mciRectParms, 0x00, sizeof ( MCI_OVLY_RECT_PARMS ) ); mciRectParms.dwCallback = ( DWORD ) hwndCallback ; dwReturn = mciSendCommand ( wDeviceID, MCI_WHERE, MCI_OVLY_WHERE_DESTINATION | MCI_WAIT, ( DWORD ) &mciRectParms, 0 ) ; if ( LOUSHORT ( dwReturn ) != MCIERR_SUCCESS ) { return dwReturn ; } // Store the rect size... prcl->xLeft = mciRectParms.rc.xLeft ; prcl->xRight = mciRectParms.rc.xRight ; prcl->yBottom = mciRectParms.rc.yBottom; prcl->yTop = mciRectParms.rc.yTop ; return dwReturn ; } //---------------------------------------------------------------------------- // Name: OvlGetSrcRect // // Description: Get source rectangle position. // // Concepts: Returns current source rect dimensions within video // source buffer. May be called to determine current // value when application starts up. // // See OvlPutSrcRect(). // // Parameters: wDeviceID - overlay device id // // hwndCallback - handle for MCI_NOTIFY notification. // // prcl - pointer to return rectangle // the CALLER must make sure that these pointers // point to valid RECTL that the caller owns. // // Returns: Return code from mciSendCommand() // //---------------------------------------------------------------------------- DWORD OvlGetSrcRect ( WORD wDeviceID, HWND hwndCallback, PRECTL prcl ) { MCI_OVLY_RECT_PARMS mciRectParms ; DWORD dwReturn ; // Get the values... memset ( &mciRectParms, 0x00, sizeof ( MCI_OVLY_RECT_PARMS ) ); mciRectParms.dwCallback = ( DWORD ) hwndCallback ; dwReturn = mciSendCommand ( wDeviceID, MCI_WHERE, MCI_OVLY_WHERE_SOURCE | MCI_WAIT, ( DWORD ) &mciRectParms, 0 ) ; if ( LOUSHORT ( dwReturn ) != MCIERR_SUCCESS ) { return dwReturn ; } // Store the rect size... prcl->xLeft = mciRectParms.rc.xLeft ; prcl->xRight = mciRectParms.rc.xRight ; prcl->yBottom = mciRectParms.rc.yBottom; prcl->yTop = mciRectParms.rc.yTop ; return dwReturn ; } //---------------------------------------------------------------------------- // Name: OvlSetInput // // Description: Sets current video input. // // Concepts: In VIDVIEW this function is used only to set the // MCI_VIDEO_IN_CONNECTOR to 1, 2, or 3, corresponding // to input 1, 2, or 3 from the M-Motion Video Adapter/A. // // Parameters: wDeviceID - overlay device id // // dwSourceNum - 1, 2, or 3 // // dwSourceType - MCI_VIDEO_IN_CONNECTOR // // Returns: Return code from mciSendCommand() // //---------------------------------------------------------------------------- DWORD OvlSetInput (WORD wDeviceID,DWORD dwSourceNum,DWORD dwSourceType) { MCI_CONNECTOR_PARMS mciConnectorParms; DWORD dwReturn ; mciConnectorParms.dwCallback = 0 ; mciConnectorParms.dwReturn = 0 ; mciConnectorParms.dwConnectorType = dwSourceType ; mciConnectorParms.dwConnectorIndex = dwSourceNum ; dwReturn = mciSendCommand ( wDeviceID, MCI_CONNECTOR, MCI_WAIT | MCI_ENABLE_CONNECTOR | MCI_CONNECTOR_TYPE | MCI_CONNECTOR_INDEX, ( DWORD )&mciConnectorParms, 0 ) ; return dwReturn ; } //***************************************************************************** // End of file //***************************************************************************** ource area rectangle size and shape. // // Concepts: Source buffer is conceptual 706 by 484 buffer containing // incoming source image. This call determines what rectangle // wi//***************************************************************************** // // File Name: Vidview.h // // ****!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!***** // **************************************************************************** // *+*+* NOTE: This file contains both '//' style comments and "/* */" *+*+* // **+** style comments. You will have to set the the /Ss+ compile ***** // *+*+* option for this file to be compiled. *+*+* // **************************************************************************** // ****!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!***** // // Description : This file contains the definitions used by the VIDVIEW // sample application. // // Copyright (C) 1992 IBM Corporation // // DISCLAIMER OF WARRANTIES. The following [enclosed] code is // sample code created by IBM Corporation. This sample code is not // part of any standard or IBM product and is provided to you solely // for the purpose of assisting you in the development of your // applications. The code is provided "AS IS", without // warranty of any kind. IBM shall not be liable for any damages // arising out of your use of the sample code, even if they have been // advised of the possibility of such damages. * // //***************************************************************************** //----------------------------------------------------------------------------- // Typedefs and associated defines.... //----------------------------------------------------------------------------- // This structure keeps track of player values... typedef struct _tagPlayerInfo { CHAR szDeviceName [ 20 ] ; CHAR szDeviceAlias [ 20 ] ; WORD wDeviceID ; BOOL fOwnDevice ; BOOL fAudioAllOn ; BOOL fInfoDisplayOn ; BOOL fDoorClosed ; BOOL fSpunUp ; } PLAYERINFO ; typedef PLAYERINFO *PPLAYERINFO ; //Defines... #define MAX_PLAYERS 1 #define MAX_OVERLAYS 1 #define MAX_VIDEOWINDOWINFOS 3 // This structure keeps track of values for a particular video input (1,2,3)... typedef struct _tagVideoWindowInfo { BOOL fInitialized ; LONG InputType ; LONG Style ; WORD ActionMode ; LONG Readout ; LONG SaveReadout ; COLOR clrClientBG ; COLOR clrClientFG ; RECTL rclClient ; RECTL rclClientOnDesktop ; RECTL rclMinClient ; RECTL rclFrame ; RECTL rclFrameOnDesktop ; BOOL fSrcControlDlgActive ; RECTL rclSrcControlDlg ; PRECTL prclSrcRects ; PRECTL prclDstRects ; PSZ *ppszWindowStrings ; RECTL rclCurDst ; RECTL rclMaxDst ; RECTL rclMinDst ; RECTL rclCurSrc ; RECTL rclMaxSrc ; RECTL rclMinSrc ; LONG SrcAspectX ; LONG SrcAspectY ; BOOL fAspectKeepX ; BOOL fSrcZoomXLimitsMaxSize ; LONG SrcZoomLoBound ; LONG SrcZoomHiBound ; LONG SrcZoomPageIncr ; LONG SrcZoomLineIncr ; LONG DeltaLineHorzPan ; LONG DeltaPageHorzPan ; LONG DeltaLineVertPan ; LONG DeltaPageVertPan ; LONG DeltaLineHorzZoom ; LONG DeltaPageHorzZoom ; LONG DeltaLineVertZoom ; LONG DeltaPageVertZoom ; LONG SrcHSBLength ; LONG SrcHSBThumbSize ; LONG SrcVSBLength ; LONG SrcVSBThumbSize ; BOOL fZoom ; LONG HeightDifference ; POINTL OrgCyForZoom ; POINTL OrgTextForZoom ; POINTL OrgCyForStretch ; POINTL OrgTextForStretch ; } VIDEOWINDOWINFO ; typedef VIDEOWINDOWINFO *PVIDEOWINDOWINFO ; // This structure is used for displaying values... typedef struct _tagDisplayValuesInfo { PBYTE pbNormalLabel ; PBYTE pbNormalValue ; PBYTE pbTerseLabel ; PBYTE pbTerseValue ; PRECTL prclValues ; BOOL fDisplay ; } DISPLAYVALUESINFO ; typedef DISPLAYVALUESINFO *PDISPLAYVALUESINFO ; //typedef struct _tagDisplayValuesInfo // { // PBYTE pbRegularFormat ; // PBYTE pbTerseFormat ; // PRECTL prclValues ; // BOOL fDisplay ; // } DISPLAYVALUESINFO ; // This structure holds general program values... typedef struct _tagAPPLICATIONINFO { BOOL fOwnDevice ; BOOL fInitializing ; BOOL fMinimized ; BOOL fSettingFramePos ; CHAR szOverlayDeviceName [ 20 ] ; CHAR szOverlayDeviceAlias [ 20 ] ; HWND hwndSourceDlg ; HWND hwndSeekDlg ; LONG SizeBorderCx ; LONG SizeBorderCy ; LONG SeekFrame ; LONG VideoInput ; WORD wOverlayDeviceID ; RECTL rclScreen ; RECTL rclMinClient ; LONG NormalLabelWidth ; LONG NormalValueWidth ; LONG TerseLabelWidth ; LONG TerseValueWidth ; VIDEOWINDOWINFO vwiInfo ; VIDEOWINDOWINFO aviVideoSources [ MAX_VIDEOWINDOWINFOS ] ; } APPLICATIONINFO ; typedef APPLICATIONINFO *PAPPLICATIONINFO ; // Defines for wActionMode.... #define VVK_AM_NONE 0 #define VVK_AM_MAINTAIN_CLIENT_ASPECT_RATIO 1 #define VVK_AM_ADJUST_SOURCE_AREA 2 // Defines for Readout... #define VVK_RO_NONE 0 #define VVK_RO_WHITE 1 #define VVK_RO_YELLOW 2 #define VVK_RO_CYAN 3 #define VVK_RO_BLACK 4 // Defines for pvi->InputType #define VVK_IT_NONE 0 #define VVK_IT_NTSC 1 #define VVK_IT_PAL 2 //----------------------------------------------------------------------------- // Misc. defines.... //----------------------------------------------------------------------------- // Max and min source and destination extents... #define VVK_SRC_CX_MAX 706 #define VVK_SRC_CX_MIN 4 #define VVK_SRC_CY_MAX_NTSC 484 #define VVK_SRC_CY_MAX_PAL 564 #define VVK_SRC_CY_MIN 1 #define VVK_DST_CX_MAX 688 #define VVK_DST_CX_MIN 4 #define VVK_DST_CY_MAX_NTSC 480 #define VVK_DST_CY_MAX_PAL 548 #define VVK_DST_CY_MIN 1 // More defines... #define ID_TIMER 1 // Timer id for logo panel... #define ID_STATIC 1 // Child video window... #define ID_MAINWND 1 // Main window... #define RETURN_ERROR 1 // Return value for exit #define BEEP_WARN_FREQ 60 // Frequency of warning beep #define BEEP_WARN_DUR 100 // Duration of warning beep #define IDM_EXIT 110 #define MMCONTROLS_DLLNAME "MMCTL" // Coordinates of text rectangle within client window... #define VVK_DR_XLEFT 10 #define VVK_DR_XRIGHT 285 #define VVK_DR_YBOTTOM 70 #define VVK_DR_YTOP 85 //----------------------------------------------------------------------------- // Defines for MENUS... //----------------------------------------------------------------------------- // VIDEO INPUT submenu... #define IDM_VIDEO_INPUT 330 #define IDM_VID_INPUT_1 331 #define IDM_VID_INPUT_2 332 #define IDM_VID_INPUT_3 333 // OVERLAY menu... #define IDM_OVERLAY 500 #define IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO 510 #define IDM_OVLY_ADJUST_SOURCE_AREA 520 // PLAYER menu #define IDM_VDP 600 #define IDM_VDP_OPEN_DEVICE 601 #define IDM_VDP_PLAY_FORWARD 602 #define IDM_VDP_PLAY_REVERSE 603 #define IDM_VDP_PLAY_FROM_TO 604 #define IDM_VDP_STOP 605 #define IDM_VDP_SEEK 606 #define IDM_VDP_STEP 607 #define IDM_VDP_INFO_DISPLAY 608 #define IDM_VDP_AUDIO 609 #define IDM_VDP_STATUS 610 #define IDM_VDP_SPIN 611 #define IDM_VDP_CLOSE_DEVICE 612 #define IDM_VDP_DOOR 613 // OPTIONS menu... #define IDM_OPTIONS 300 // READOUT ACTIVE menu item #define IDM_RDT_ACTIVE 310 // READOUT COLOR submenu #define IDM_READOUT_COLORS 370 #define IDM_RDTCLR_NONE 371 #define IDM_RDTCLR_WHITE 372 #define IDM_RDTCLR_YELLOW 373 #define IDM_RDTCLR_CYAN 374 #define IDM_RDTCLR_BLACK 375 // VIDEO WINDOW NTSC submenu... #define IDM_VDW_CHILD 7001 #define IDM_VDW_CLIENT_FULL_EXTENT 7002 #define IDM_VDW_CLIENT_04TH_EXTENT 7003 #define IDM_VDW_CLIENT_16TH_EXTENT 7004 #define IDM_VDW_CLIENT_64TH_EXTENT 7005 #define IDM_VDW_CLIENT_ARBITRARY_1 7006 #define IDM_VDW_CLIENT_ARBITRARY_2 7007 #define IDM_VDW_CLIENT_ARBITRARY_3 7008 #define IDM_VDW_MAIN 7009 // HELP menu... #define IDM_HELP 700 #define IDM_HELPITEM 710 #define IDM_ABOUT 720 // MESSAGEBOX DIALOG BOX DEFINITIONS... #define ID_MESSAGEBOX 2000 // PRODINFO DIALOG BOX DEFINITIONS... #define ID_DLG_PRODINFO 3000 #define ID_PRODTEXT1 3001 #define ID_PRODTEXT2 3002 #define ID_PRODTEXT3 3003 #define ID_PRODBITMAP 3004 // Definitions for source control dialog box... #define ID_DLG_SOURCE_RECTANGLE 6000 #define ID_SRC_RCL_TEXT_GROUP 6010 #define ID_SRC_RCL_TEXT_CY 6020 #define ID_SRC_RCL_TEXT_X2_Y2 6030 #define ID_SRC_RCL_TEXT_X1_Y1 6040 #define ID_SRC_RCL_TEXT_CX 6050 #define ID_SRC_RCL_SETUP 6060 #define ID_SRC_RCL_ZOOMSTRETCH 6070 #define ID_SRC_RCL_PAN_HORZ 6080 #define ID_SRC_RCL_PAN_VERT 6090 #define ID_SRC_RCL_PAN_V_LABEL 6100 #define ID_SRC_RCL_PAN_H_LABEL 6110 #define ID_SRC_RCL_ZOOM_CONTROL 6120 #define ID_SRC_RCL_STRETCH_HORZ 6130 #define ID_SRC_RCL_STRETCH_VERT 6140 // Definitions for seek dialog box... #define ID_DLG_SEEK 7500 #define ID_SEEK_ENTRY_FIELD 7501 #define ID_SEEK_OK 7502 #define ID_SEEK_CANCEL 7503 #define ID_SEEK_TEXT 7503 // Definitions for help dialog box... #define ID_HELP_INFO_DLG 4900 #define ID_HELP_LISTBOX 4901 // String Table defines for Help Information Text #define NUM_HELP_LINES 189 #define ID_HELP_TEXT_LINE_01 5001 #define ID_HELP_TEXT_LINE_02 5002 #define ID_HELP_TEXT_LINE_03 5003 #define ID_HELP_TEXT_LINE_04 5004 #define ID_HELP_TEXT_LINE_05 5005 #define ID_HELP_TEXT_LINE_06 5006 #define ID_HELP_TEXT_LINE_07 5007 #define ID_HELP_TEXT_LINE_08 5008 #define ID_HELP_TEXT_LINE_09 5009 #define ID_HELP_TEXT_LINE_10 5010 #define ID_HELP_TEXT_LINE_11 5011 #define ID_HELP_TEXT_LINE_12 5012 #define ID_HELP_TEXT_LINE_13 5013 #define ID_HELP_TEXT_LINE_14 5014 #define ID_HELP_TEXT_LINE_15 5015 #define ID_HELP_TEXT_LINE_16 5016 #define ID_HELP_TEXT_LINE_17 5017 #define ID_HELP_TEXT_LINE_18 5018 #define ID_HELP_TEXT_LINE_19 5019 #define ID_HELP_TEXT_LINE_20 5020 #define ID_HELP_TEXT_LINE_21 5021 #define ID_HELP_TEXT_LINE_22 5022 #define ID_HELP_TEXT_LINE_23 5023 #define ID_HELP_TEXT_LINE_24 5024 #define ID_HELP_TEXT_LINE_25 5025 #define ID_HELP_TEXT_LINE_26 5026 #define ID_HELP_TEXT_LINE_27 5027 #define ID_HELP_TEXT_LINE_28 5028 #define ID_HELP_TEXT_LINE_29 5029 #define ID_HELP_TEXT_LINE_30 5030 #define ID_HELP_TEXT_LINE_31 5031 #define ID_HELP_TEXT_LINE_32 5032 #define ID_HELP_TEXT_LINE_33 5033 #define ID_HELP_TEXT_LINE_34 5034 #define ID_HELP_TEXT_LINE_35 5035 #define ID_HELP_TEXT_LINE_36 5036 #define ID_HELP_TEXT_LINE_37 5037 #define ID_HELP_TEXT_LINE_38 5038 #define ID_HELP_TEXT_LINE_39 5039 #define ID_HELP_TEXT_LINE_40 5040 #define ID_HELP_TEXT_LINE_41 5041 #define ID_HELP_TEXT_LINE_42 5042 #define ID_HELP_TEXT_LINE_43 5043 #define ID_HELP_TEXT_LINE_44 5044 #define ID_HELP_TEXT_LINE_45 5045 #define ID_HELP_TEXT_LINE_46 5046 #define ID_HELP_TEXT_LINE_47 5047 #define ID_HELP_TEXT_LINE_48 5048 #define ID_HELP_TEXT_LINE_49 5049 #define ID_HELP_TEXT_LINE_50 5050 #define ID_HELP_TEXT_LINE_51 5051 #define ID_HELP_TEXT_LINE_52 5052 #define ID_HELP_TEXT_LINE_53 5053 #define ID_HELP_TEXT_LINE_54 5054 #define ID_HELP_TEXT_LINE_55 5055 #define ID_HELP_TEXT_LINE_56 5056 #define ID_HELP_TEXT_LINE_57 5057 #define ID_HELP_TEXT_LINE_58 5058 #define ID_HELP_TEXT_LINE_59 5059 #define ID_HELP_TEXT_LINE_60 5060 #define ID_HELP_TEXT_LINE_61 5061 #define ID_HELP_TEXT_LINE_62 5062 #define ID_HELP_TEXT_LINE_63 5063 #define ID_HELP_TEXT_LINE_64 5064 #define ID_HELP_TEXT_LINE_65 5065 #define ID_HELP_TEXT_LINE_66 5066 #define ID_HELP_TEXT_LINE_67 5067 #define ID_HELP_TEXT_LINE_68 5068 #define ID_HELP_TEXT_LINE_69 5069 #define ID_HELP_TEXT_LINE_70 5070 #define ID_HELP_TEXT_LINE_71 5071 #define ID_HELP_TEXT_LINE_72 5072 #define ID_HELP_TEXT_LINE_73 5073 #define ID_HELP_TEXT_LINE_74 5074 #define ID_HELP_TEXT_LINE_75 5075 #define ID_HELP_TEXT_LINE_76 5076 #define ID_HELP_TEXT_LINE_77 5077 #define ID_HELP_TEXT_LINE_78 5078 #define ID_HELP_TEXT_LINE_79 5079 #define ID_HELP_TEXT_LINE_80 5080 #define ID_HELP_TEXT_LINE_81 5081 #define ID_HELP_TEXT_LINE_82 5082 #define ID_HELP_TEXT_LINE_83 5083 #define ID_HELP_TEXT_LINE_84 5084 #define ID_HELP_TEXT_LINE_85 5085 #define ID_HELP_TEXT_LINE_86 5086 #define ID_HELP_TEXT_LINE_87 5087 #define ID_HELP_TEXT_LINE_88 5088 #define ID_HELP_TEXT_LINE_89 5089 #define ID_HELP_TEXT_LINE_90 5090 #define ID_HELP_TEXT_LINE_91 5091 #define ID_HELP_TEXT_LINE_92 5092 #define ID_HELP_TEXT_LINE_93 5093 #define ID_HELP_TEXT_LINE_94 5094 #define ID_HELP_TEXT_LINE_95 5095 #define ID_HELP_TEXT_LINE_96 5096 #define ID_HELP_TEXT_LINE_97 5097 #define ID_HELP_TEXT_LINE_98 5098 #define ID_HELP_TEXT_LINE_99 5099 #define ID_HELP_TEXT_LINE_100 5100 #define ID_HELP_TEXT_LINE_101 5101 #define ID_HELP_TEXT_LINE_102 5102 #define ID_HELP_TEXT_LINE_103 5103 #define ID_HELP_TEXT_LINE_104 5104 #define ID_HELP_TEXT_LINE_105 5105 #define ID_HELP_TEXT_LINE_106 5106 #define ID_HELP_TEXT_LINE_107 5107 #define ID_HELP_TEXT_LINE_108 5108 #define ID_HELP_TEXT_LINE_109 5109 #define ID_HELP_TEXT_LINE_110 5110 #define ID_HELP_TEXT_LINE_111 5111 #define ID_HELP_TEXT_LINE_112 5112 #define ID_HELP_TEXT_LINE_113 5113 #define ID_HELP_TEXT_LINE_114 5114 #define ID_HELP_TEXT_LINE_115 5115 #define ID_HELP_TEXT_LINE_116 5116 #define ID_HELP_TEXT_LINE_117 5117 #define ID_HELP_TEXT_LINE_118 5118 #define ID_HELP_TEXT_LINE_119 5119 #define ID_HELP_TEXT_LINE_120 5120 #define ID_HELP_TEXT_LINE_121 5121 #define ID_HELP_TEXT_LINE_122 5122 #define ID_HELP_TEXT_LINE_123 5123 #define ID_HELP_TEXT_LINE_124 5124 #define ID_HELP_TEXT_LINE_125 5125 #define ID_HELP_TEXT_LINE_126 5126 #define ID_HELP_TEXT_LINE_127 5127 #define ID_HELP_TEXT_LINE_128 5128 #define ID_HELP_TEXT_LINE_129 5129 #define ID_HELP_TEXT_LINE_130 5130 #define ID_HELP_TEXT_LINE_131 5131 #define ID_HELP_TEXT_LINE_132 5132 #define ID_HELP_TEXT_LINE_133 5133 #define ID_HELP_TEXT_LINE_134 5134 #define ID_HELP_TEXT_LINE_135 5135 #define ID_HELP_TEXT_LINE_136 5136 #define ID_HELP_TEXT_LINE_137 5137 #define ID_HELP_TEXT_LINE_138 5138 #define ID_HELP_TEXT_LINE_139 5139 #define ID_HELP_TEXT_LINE_140 5140 #define ID_HELP_TEXT_LINE_141 5141 #define ID_HELP_TEXT_LINE_142 5142 #define ID_HELP_TEXT_LINE_143 5143 #define ID_HELP_TEXT_LINE_144 5144 #define ID_HELP_TEXT_LINE_145 5145 #define ID_HELP_TEXT_LINE_146 5146 #define ID_HELP_TEXT_LINE_147 5147 #define ID_HELP_TEXT_LINE_148 5148 #define ID_HELP_TEXT_LINE_149 5149 #define ID_HELP_TEXT_LINE_150 5150 #define ID_HELP_TEXT_LINE_151 5151 #define ID_HELP_TEXT_LINE_152 5152 #define ID_HELP_TEXT_LINE_153 5153 #define ID_HELP_TEXT_LINE_154 5154 #define ID_HELP_TEXT_LINE_155 5155 #define ID_HELP_TEXT_LINE_156 5156 #define ID_HELP_TEXT_LINE_157 5157 #define ID_HELP_TEXT_LINE_158 5158 #define ID_HELP_TEXT_LINE_159 5159 #define ID_HELP_TEXT_LINE_160 5160 #define ID_HELP_TEXT_LINE_161 5161 #define ID_HELP_TEXT_LINE_162 5162 #define ID_HELP_TEXT_LINE_163 5163 #define ID_HELP_TEXT_LINE_164 5164 #define ID_HELP_TEXT_LINE_165 5165 #define ID_HELP_TEXT_LINE_166 5166 #define ID_HELP_TEXT_LINE_167 5167 #define ID_HELP_TEXT_LINE_168 5168 #define ID_HELP_TEXT_LINE_169 5169 #define ID_HELP_TEXT_LINE_170 5170 #define ID_HELP_TEXT_LINE_171 5171 #define ID_HELP_TEXT_LINE_172 5172 #define ID_HELP_TEXT_LINE_173 5173 #define ID_HELP_TEXT_LINE_174 5174 #define ID_HELP_TEXT_LINE_175 5175 #define ID_HELP_TEXT_LINE_176 5176 #define ID_HELP_TEXT_LINE_177 5177 #define ID_HELP_TEXT_LINE_178 5178 #define ID_HELP_TEXT_LINE_179 5179 #define ID_HELP_TEXT_LINE_180 5180 #define ID_HELP_TEXT_LINE_181 5181 #define ID_HELP_TEXT_LINE_182 5182 #define ID_HELP_TEXT_LINE_183 5183 #define ID_HELP_TEXT_LINE_184 5184 #define ID_HELP_TEXT_LINE_185 5185 #define ID_HELP_TEXT_LINE_186 5186 #define ID_HELP_TEXT_LINE_187 5187 #define ID_HELP_TEXT_LINE_188 5188 #define ID_HELP_TEXT_LINE_189 5189 #define ID_HELP_TEXT_LINE_190 5190 // Other string table defines... #define ID_SEEK_TEXT_LABEL 5150 //----------------------------------------------------------------------------- // Externs for data... //----------------------------------------------------------------------------- extern HAB hab ; // VIDVIEW anchor block... extern HMQ hmq ; // VIDIVEW message queue... extern HWND hwndFrame ; // Frame window handle extern HWND hwndClient ; // Client window handle extern HWND hwndNotify ; // Window to receive MCI_NOTIFY notifications... extern HWND hwndChild ; // Child of client extern HWND hwndMenu ; // Handle for Menu extern HMODULE hMMCTLDll ; // MMCTL.DLL handle extern BOOL fDoFill ; extern SZ szFullScreenMessage [] ; extern RECTL arclSrcRectsForNTSCInput [ 8 ] ; extern RECTL arclSrcRectsForPALInput [ 8 ] ; extern RECTL arclDstRectsForNTSCInput [ 8 ] ; extern RECTL arclDstRectsForPALInput [ 8 ] ; extern PSZ apszWindowStringsForNTSC [ 9 ] ; extern PSZ apszWindowStringsForPAL [ 9 ] ; //----------------------------------------------------------------------------- // MCI functions: These package MCI calls for easy debugging and readability. // Can be lifted as is for use in other code. // // -- General functions // -- Overlay functions // -- Videodisc player functions //----------------------------------------------------------------------------- // General MCI functions DWORD OpenDevice ( LPSTR lpstrDevName, LPSTR lpstrDevAlias, DWORD dwMciFlags, WORD *pwDeviceID) ; DWORD CloseDevice ( WORD wDeviceID ) ; DWORD AcquireDevice ( WORD wDeviceID, DWORD dwExclusive ) ; DWORD ReleaseDevice ( WORD wDeviceID ) ; // Overlay MCI functions... DWORD OvlGetDstRect ( WORD wDeviceID, HWND hwndCallback, PRECTL prcl ) ; DWORD OvlGetSrcExtRect ( WORD wDeviceID, HWND hwndCallback, DWORD *pdwXExtent, DWORD *pdwYExtent ) ; DWORD OvlGetSrcRect ( WORD wDeviceID, HWND hwndCallback, PRECTL prcl ) ; DWORD OvlPutDstRect ( WORD wDeviceID, PRECTL prcl, HWND hwndCallback ) ; DWORD OvlPutSrcRect ( WORD wDeviceID, PRECTL prcl, HWND hwndCallback ) ; DWORD OvlSetInput ( WORD wDeviceID, DWORD dwSourceNum, DWORD dwSourceType ) ; DWORD OvlSetVideoWindow ( WORD wDeviceID, HWND hwndAlternate ) ; // Videodisc player MCI functions... DWORD VdpGetCustomStatus ( WORD wDeviceID, DWORD dwMciFlags, DWORD *pdwReturn ) ; DWORD VdpGetStatus ( WORD wDeviceID, DWORD dwMciFlags, DWORD dwItem, DWORD *pdwReturn ) ; DWORD VdpPlay ( WORD wDeviceID, BOOL fForward, DWORD dwFromFrame, DWORD dwToFrame ) ; DWORD VdpSeek ( WORD wDeviceID, LONG SeekFrame, DWORD dwMciFlags, HWND hwndCallback, WORD wUserParm ) ; BOOL VdpReady ( WORD wDeviceID ) ; DWORD VdpSetAudio ( WORD wDeviceID, DWORD dwMciFlags, DWORD dwAudio ) ; DWORD VdpSetDisplay ( WORD wDeviceID, DWORD dwMciFlags ) ; DWORD VdpSonySetEnd ( WORD wDeviceID, DWORD dwMciFlags, DWORD EndFrame ) ; DWORD VdpSpin ( WORD wDeviceID, DWORD dwMciFlags ) ; DWORD VdpStop ( WORD wDeviceID ) ; //----------------------------------------------------------------------------- // Device management functions: // // Fragments of these may be helpful in writing new code. // // -- Overlay functions // -- Videodisc player functions // //----------------------------------------------------------------------------- // Functions for managing overlay... VOID ApplyAspectRatio ( LONG XAspect, LONG YAspect, PRECTL prclIn, PRECTL prclOut, BOOL fAspectKeepX ) ; VOID BuildProRect ( PRECTL prclOld, PRECTL prclNew, PRECTL prclPro, LONG AspectX, LONG AspectY, LONG NewWidth, LONG NewHeight ) ; BOOL MapRectToProRect ( PRECTL prclOld, PRECTL prclNew, PRECTL prclPro, LONG AspectX, LONG AspectY, LONG MinWidth, LONG MinHeight, LONG MaxWidth, LONG MaxHeight ) ; // Functions for managing videodisc player... DWORD ConvertColonizedToAscii ( DWORD dwFormat, DWORD dwColonized, PBYTE pbString ) ; DWORD ConvertDwordToAscii ( DWORD dwValue, PBYTE pbString ) ; DWORD DisplayVideodiscStatus ( WORD wDeviceID ) ; //----------------------------------------------------------------------------- // // VIDVIEW general functions... // //----------------------------------------------------------------------------- VOID AddLengthToRect ( PRECTL prclInput, PRECTL prclResult, LONG Delta, BOOL fAddToWidth ) ; VOID ApplyStretchToRect ( PVIDEOWINDOWINFO pvi, PRECTL prclInput,PRECTL prclResult, LONG NewLength, BOOL fApplyToWidth ) ; VOID ApplyZoomToRect ( PVIDEOWINDOWINFO pvi, PRECTL prclInput,PRECTL prclResult,LONG NewLength1, BOOL fXLimitsMaxSize, LONG AspectX, LONG AspectY ) ; BOOL AttemptHorizontalPan ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi ) ; BOOL AttemptStretch ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi, BOOL fApplyToWidth ) ; BOOL AttemptVerticalPan ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi ) ; BOOL AttemptZoom ( HWND hwnd, MPARAM mp2, PVIDEOWINDOWINFO pvi ) ; VOID ChangeActionMode ( PVIDEOWINDOWINFO pvi, LONG Mode ) ; VOID ChangeVideoWindowStyle ( PVIDEOWINDOWINFO pvi, LONG OldStyle, LONG NewStyle ) ; VOID CreateSourceControlDialog ( PVIDEOWINDOWINFO pvi, BOOL fShow ) ; VOID DisplayMessage(PCH str) ; VOID DisplayPassDeviceMessage ( PCH str ) ; VOID DisplaySourceTextValues ( HWND hwnd, PRECTL prcl ) ; VOID DisplayValuesInClientArea ( HPS hps, PVIDEOWINDOWINFO pvi ) ; VOID ExitFunction ( PSZ pszMessage, WORD wErrorCode ) ; BOOL FitRectInsideRect ( PRECTL prclInput, PRECTL prclResult, PRECTL prclMin, PRECTL prclMax ) ; BOOL FitSegmentInsideSegment ( PRECTL prclInput, PRECTL prclMin, PRECTL prclMax, PRECTL prclResult, BOOL fVertical ) ; VOID InitializeVideoWindowInfo ( PVIDEOWINDOWINFO pvi, LONG VideoInput ) ; VOID InitializeVideoDisplayInfo ( PVIDEOWINDOWINFO pvi, LONG VideoInput ) ; int main( VOID ); VOID MapReadoutToClr ( LONG Readout, PCOLOR pclr ) ; BOOL MakeSrcPropToNewDst ( PVIDEOWINDOWINFO pvi, LONG OldStyle, LONG NewStyle ) ; VOID MapInvalidRectToValidRect ( PRECTL prclCur, PRECTL prclResult, PRECTL prclMin, PRECTL prclMax, BOOL fMapX ) ; VOID SetChildWindowPos ( HWND hwndChild, PVIDEOWINDOWINFO pwi ) ; VOID SetDefaultSourceRect ( PVIDEOWINDOWINFO pvi ) ; VOID SetFrameWindowPos ( HWND hwndFrame, PVIDEOWINDOWINFO pwi ) ; USHORT SetupMyMainWindow ( PAPPLICATIONINFO pai ) ; VOID ToggleSourceControlDialog ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; VOID UpdatePanScrollBarCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; VOID UpdateSourceArea ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; VOID UpdateSourceZoomCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; VOID UpdateHorzStretchCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; VOID UpdateVertStretchCharacteristics ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; VOID SetHorizontalScrollBarPosition ( HWND hwnd, PVIDEOWINDOWINFO pvi ); VOID SetVerticalScrollBarPosition ( HWND hwnd, PVIDEOWINDOWINFO pvi ) ; //----------------------------------------------------------------------------- // Function definitions for window functions... //----------------------------------------------------------------------------- MRESULT EXPENTRY MainWinProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY ChildWndProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ) ; MRESULT EXPENTRY ProdInfoDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY DevDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY DevHelpInfoDlgProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2 ); MRESULT EXPENTRY SourceControlDialogProc ( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) ; MRESULT EXPENTRY SeekDlgProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) ; //***************************************************************************** */ // END OF FILE //***************************************************************************** efin/************************************************************************* * * File Name : vidview.rc * * Description : This is the resource file for the VIDVIEW sample program. * * Concepts : None. * * Copyright (C) 1992 IBM Corporation * * DISCLAIMER OF WARRANTIES. The following [enclosed] code is * sample code created by IBM Corporation. This sample code is not * part of any standard or IBM product and is provided to you solely * for the purpose of assisting you in the development of your * applications. The code is provided "AS IS", without * warranty of any kind. IBM shall not be liable for any damages * arising out of your use of the sample code, even if they have been * advised of the possibility of such damages. * * ************************************************************************/ #include #include "vidview.h" ICON ID_MAINWND PRELOAD vidview.ico BITMAP ID_PRODBITMAP PRELOAD prodinfo.bmp MENU ID_MAINWND PRELOAD { SUBMENU "~Input", IDM_VIDEO_INPUT { MENUITEM "Input ~1", IDM_VID_INPUT_1 MENUITEM "Input ~2", IDM_VID_INPUT_2 MENUITEM "Input ~3", IDM_VID_INPUT_3 } SUBMENU "~Player", IDM_VDP { MENUITEM "~Open Device", IDM_VDP_OPEN_DEVICE MENUITEM SEPARATOR MENUITEM "Play ~Forward", IDM_VDP_PLAY_FORWARD MENUITEM "Play ~Reverse", IDM_VDP_PLAY_REVERSE MENUITEM "~Stop", IDM_VDP_STOP MENUITEM "S~eek...", IDM_VDP_SEEK MENUITEM SEPARATOR MENUITEM "~Info Display", IDM_VDP_INFO_DISPLAY MENUITEM "~Audio", IDM_VDP_AUDIO MENUITEM "Stat~us...", IDM_VDP_STATUS MENUITEM SEPARATOR MENUITEM "Spi~n Down", IDM_VDP_SPIN MENUITEM SEPARATOR MENUITEM "~Close Device", IDM_VDP_CLOSE_DEVICE } SUBMENU "~Options", IDM_OPTIONS { SUBMENU "~Mode", IDM_OVERLAY { MENUITEM "~Constant Aspect Ratio",IDM_OVLY_MAINTAIN_CLIENT_ASPECT_RATIO MENUITEM "~Adjust Source Area...",IDM_OVLY_ADJUST_SOURCE_AREA } SUBMENU "~Window (NTSC)", IDM_VDW_MAIN { MENUITEM "C~hild of Client" , IDM_VDW_CHILD MENUITEM "Client ~688 x 480", IDM_VDW_CLIENT_FULL_EXTENT MENUITEM "Client ~344 x 240", IDM_VDW_CLIENT_04TH_EXTENT MENUITEM "Client ~172 x 120", IDM_VDW_CLIENT_16TH_EXTENT MENUITEM "Client ~86 x 60", IDM_VDW_CLIENT_64TH_EXTENT MENUITEM "Client ~240 x 344", IDM_VDW_CLIENT_ARBITRARY_1 MENUITEM "Client 12~0 x 172", IDM_VDW_CLIENT_ARBITRARY_2 MENUITEM "Client 3~44 x 172", IDM_VDW_CLIENT_ARBITRARY_3 } SUBMENU "~Readouts", IDM_READOUT_COLORS { MENUITEM "~White", IDM_RDTCLR_WHITE MENUITEM "~Yellow", IDM_RDTCLR_YELLOW MENUITEM "~Cyan", IDM_RDTCLR_CYAN MENUITEM "~Black", IDM_RDTCLR_BLACK MENUITEM "~Off", IDM_RDTCLR_NONE } } SUBMENU "~Help", IDM_HELP { MENUITEM "~Help", IDM_HELPITEM MENUITEM SEPARATOR MENUITEM "~Product Information", IDM_ABOUT } } ACCELTABLE ID_MAINWND PRELOAD BEGIN VK_F3, IDM_EXIT, VIRTUALKEY END STRINGTABLE LOADONCALL BEGIN ID_HELP_TEXT_LINE_01 "***PART 1: PREFACE*** " ID_HELP_TEXT_LINE_02 " " ID_HELP_TEXT_LINE_03 "1) The VIDVIEW Sample Program illustrates: " ID_HELP_TEXT_LINE_04 " " ID_HELP_TEXT_LINE_05 " -- Using the Overlay Device to change the " ID_HELP_TEXT_LINE_06 " size and shape of the video source " ID_HELP_TEXT_LINE_07 " rectangle and the video destination " ID_HELP_TEXT_LINE_08 " rectangle. " ID_HELP_TEXT_LINE_09 " " ID_HELP_TEXT_LINE_10 " -- Controlling a Videodisc Player Device " ID_HELP_TEXT_LINE_11 " directly, without mediation by a " ID_HELP_TEXT_LINE_12 " Videodisc Player Control. " ID_HELP_TEXT_LINE_13 " " ID_HELP_TEXT_LINE_14 "2) NOTE: VIDVIEW does not open an ampmixer " ID_HELP_TEXT_LINE_15 " device. To hear audio from an attached " ID_HELP_TEXT_LINE_16 " videodisc player, do ONE of the following:" ID_HELP_TEXT_LINE_17 " " ID_HELP_TEXT_LINE_18 " a) Connect the audio outputs from the " ID_HELP_TEXT_LINE_19 " videodisc player directly to a speaker " ID_HELP_TEXT_LINE_20 " or amplifier; OR... " ID_HELP_TEXT_LINE_21 " " ID_HELP_TEXT_LINE_22 " b) Connect the audio outputs from the " ID_HELP_TEXT_LINE_23 " videodisc player to the audio inputs " ID_HELP_TEXT_LINE_24 " of the M-Motion Video Adapter/A. Then " ID_HELP_TEXT_LINE_25 " open an ampmixer device and enable the " ID_HELP_TEXT_LINE_26 " appropriate connector. " ID_HELP_TEXT_LINE_27 " " ID_HELP_TEXT_LINE_28 "***PART 2: HELP TEXT*** " ID_HELP_TEXT_LINE_29 " " ID_HELP_TEXT_LINE_30 "1) Three Definitions " ID_HELP_TEXT_LINE_31 " " ID_HELP_TEXT_LINE_32 " a) Video destination rectangle: " ID_HELP_TEXT_LINE_33 " " ID_HELP_TEXT_LINE_34 " The rectangular area of the screen in " ID_HELP_TEXT_LINE_35 " which video is displayed. " ID_HELP_TEXT_LINE_36 " " ID_HELP_TEXT_LINE_37 " b) Video source rectangle: " ID_HELP_TEXT_LINE_38 " " ID_HELP_TEXT_LINE_39 " The rectangle of incoming video that is" ID_HELP_TEXT_LINE_40 " fitted into the current destination " ID_HELP_TEXT_LINE_41 " rectangle. " ID_HELP_TEXT_LINE_42 " " ID_HELP_TEXT_LINE_43 " c) Video input: " ID_HELP_TEXT_LINE_44 " " ID_HELP_TEXT_LINE_45 " Video input 1, 2, or 3 from the " ID_HELP_TEXT_LINE_46 " M-Motion adapter. " ID_HELP_TEXT_LINE_47 " " ID_HELP_TEXT_LINE_48 "2) Starting Out " ID_HELP_TEXT_LINE_49 " " ID_HELP_TEXT_LINE_50 "VIDVIEW initially shows video input 1 and " ID_HELP_TEXT_LINE_51 "chooses the following source and destination " ID_HELP_TEXT_LINE_52 "rectangles, depending on whether the video " ID_HELP_TEXT_LINE_53 "format of input 1 is NTSC or PAL. " ID_HELP_TEXT_LINE_54 " " ID_HELP_TEXT_LINE_55 " Source Desti- Width-to- " ID_HELP_TEXT_LINE_56 " width and nation height " ID_HELP_TEXT_LINE_57 " height: width and ratio: " ID_HELP_TEXT_LINE_58 " height: " ID_HELP_TEXT_LINE_59 " " ID_HELP_TEXT_LINE_60 "NTSC: 688/480 344/240 43/30 " ID_HELP_TEXT_LINE_61 " " ID_HELP_TEXT_LINE_62 "PAL: 688/548 344/274 172/137 " ID_HELP_TEXT_LINE_63 " " ID_HELP_TEXT_LINE_64 "As the above chart shows, the source " ID_HELP_TEXT_LINE_65 "rectangle and the destination rectangle " ID_HELP_TEXT_LINE_66 "initially have the same width-to-height " ID_HELP_TEXT_LINE_67 "ratio. For example, for NTSC, the source " ID_HELP_TEXT_LINE_68 "rectangle is 688 by 480 pels, for a ratio of " ID_HELP_TEXT_LINE_69 "43/30, and the destination rectangle is " ID_HELP_TEXT_LINE_70 "344/240 pels, likewise for a ratio of 43/30. " ID_HELP_TEXT_LINE_71 " " ID_HELP_TEXT_LINE_72 "Since the source and destination rectangles " ID_HELP_TEXT_LINE_73 "have the same width-to-height ratio, the " ID_HELP_TEXT_LINE_74 "video shown is proportional in shape, not " ID_HELP_TEXT_LINE_75 "stretched or squashed. " ID_HELP_TEXT_LINE_76 " " ID_HELP_TEXT_LINE_77 "3) The Input Menu " ID_HELP_TEXT_LINE_78 " " ID_HELP_TEXT_LINE_79 "The Input menu item switches between video " ID_HELP_TEXT_LINE_80 "input 1, 2, or 3. VIDVIEW will detect whether" ID_HELP_TEXT_LINE_81 "the input is NTSC or PAL and will initially " ID_HELP_TEXT_LINE_82 "choose a default source and destination " ID_HELP_TEXT_LINE_83 "rectangle as shown in the chart above. " ID_HELP_TEXT_LINE_84 " " ID_HELP_TEXT_LINE_85 "VIDVIEW will automatically remember the " ID_HELP_TEXT_LINE_86 "characteristics associated with each video " ID_HELP_TEXT_LINE_87 "input and will reinstate the characteristics " ID_HELP_TEXT_LINE_88 "as the user switches between the inputs. " ID_HELP_TEXT_LINE_89 " " ID_HELP_TEXT_LINE_90 "To configure a video input to PAL or " ID_HELP_TEXT_LINE_91 "NTSC, the user should select the M-Motion " ID_HELP_TEXT_LINE_92 "Overlay device from the list of devices in " ID_HELP_TEXT_LINE_93 "Multimedia Setup. " ID_HELP_TEXT_LINE_94 " " ID_HELP_TEXT_LINE_95 "4) The Player Menu " ID_HELP_TEXT_LINE_96 " " ID_HELP_TEXT_LINE_97 "The selections on the Player menu control a " ID_HELP_TEXT_LINE_98 "supported videodisc player. A Videodisc " ID_HELP_TEXT_LINE_99 "Player Device can be opened and closed and " ID_HELP_TEXT_LINE_100 "made to cause the player to play forward or " ID_HELP_TEXT_LINE_101 "backward, stop, seek, and do other " ID_HELP_TEXT_LINE_102 "operations. The Status item displays the " ID_HELP_TEXT_LINE_103 "current videodisc player status. " ID_HELP_TEXT_LINE_104 " " ID_HELP_TEXT_LINE_105 "5) The Options Menu: Mode " ID_HELP_TEXT_LINE_106 " " ID_HELP_TEXT_LINE_107 "The Mode menu item on the Options menu " ID_HELP_TEXT_LINE_108 "changes between two program modes. " ID_HELP_TEXT_LINE_109 " " ID_HELP_TEXT_LINE_110 "In the Constant Aspect Ratio mode (the " ID_HELP_TEXT_LINE_111 "startup mode), the video destination " ID_HELP_TEXT_LINE_112 "rectangle is set to the rectangle inside the " ID_HELP_TEXT_LINE_113 "VIDVIEW window's border. The video source " ID_HELP_TEXT_LINE_114 "rectangle is set to 688 by 480 pels (NTSC) or" ID_HELP_TEXT_LINE_115 "688 by 548 pels (PAL) and is not allowed to " ID_HELP_TEXT_LINE_116 "vary. The user can then change the size of " ID_HELP_TEXT_LINE_117 "VIDVIEW using VIDVIEW's sizing border. As " ID_HELP_TEXT_LINE_118 "the window changes size, VIDVIEW " ID_HELP_TEXT_LINE_119 "automatically adjusts itself to remain in a " ID_HELP_TEXT_LINE_120 "width-to-height ratio proportional to the " ID_HELP_TEXT_LINE_121 "source rectangle, either 43-to-30 (NTSC) or " ID_HELP_TEXT_LINE_122 "172-to-137 (PAL). " ID_HELP_TEXT_LINE_123 " " ID_HELP_TEXT_LINE_124 "In the Adjust Source Area mode, a Source " ID_HELP_TEXT_LINE_125 "Area Control dialog appears, which has scroll" ID_HELP_TEXT_LINE_126 "bars and circular sliders that allow the user" ID_HELP_TEXT_LINE_127 "to change the size, shape, and position of " ID_HELP_TEXT_LINE_128 "the source rectangle. Now it is the desti- " ID_HELP_TEXT_LINE_129 "nation rectangle that remains fixed, while " ID_HELP_TEXT_LINE_130 "the source rectangle varies. " ID_HELP_TEXT_LINE_131 " " ID_HELP_TEXT_LINE_132 "The Horz. Pan and Vert. Pan scroll bars are " ID_HELP_TEXT_LINE_133 "for shifting the source rectangle up, down, " ID_HELP_TEXT_LINE_134 "left, or right without changing size. " ID_HELP_TEXT_LINE_135 " " ID_HELP_TEXT_LINE_136 "The Zoom and Stretch circular sliders are for" ID_HELP_TEXT_LINE_137 "changing the source rectangle's size and " ID_HELP_TEXT_LINE_138 "shape. With Zoom, as the user changes the " ID_HELP_TEXT_LINE_139 "size of the source rectangle, VIDVIEW keeps " ID_HELP_TEXT_LINE_140 "the source rectangle's width-to-height ratio " ID_HELP_TEXT_LINE_141 "the same as that of the destination " ID_HELP_TEXT_LINE_142 "rectangle, so that the video image is always " ID_HELP_TEXT_LINE_143 "properly proportioned. With Stretch, the " ID_HELP_TEXT_LINE_144 "user can vary the width and height of the " ID_HELP_TEXT_LINE_145 "source area rectangle independently of each " ID_HELP_TEXT_LINE_146 "other. " ID_HELP_TEXT_LINE_147 " " ID_HELP_TEXT_LINE_148 "With both Zoom and Stretch, the source " ID_HELP_TEXT_LINE_149 "rectangle is not allowed to become smaller " ID_HELP_TEXT_LINE_150 "than the destination rectangle. " ID_HELP_TEXT_LINE_151 " " ID_HELP_TEXT_LINE_152 "6) The Options Menu: Window " ID_HELP_TEXT_LINE_153 " " ID_HELP_TEXT_LINE_154 "The Window (PAL) or Window (NTSC) menu " ID_HELP_TEXT_LINE_155 "item on the Options menu is enabled when " ID_HELP_TEXT_LINE_156 "VIDVIEW is in Adjust Source Area mode. " ID_HELP_TEXT_LINE_157 " " ID_HELP_TEXT_LINE_158 "The user can select different video " ID_HELP_TEXT_LINE_159 "destination rectangle sizes and shapes. Some" ID_HELP_TEXT_LINE_160 "shapes are in the default width-to-height " ID_HELP_TEXT_LINE_161 "ratio, some in other ratios. Whenever a " ID_HELP_TEXT_LINE_162 "shape is selected, VIDVIEW resets the video " ID_HELP_TEXT_LINE_163 "source rectangle to a shape proportional to " ID_HELP_TEXT_LINE_164 "the destination. " ID_HELP_TEXT_LINE_165 " " ID_HELP_TEXT_LINE_166 "7) The Options Menu: Readouts " ID_HELP_TEXT_LINE_167 " " ID_HELP_TEXT_LINE_168 "The Readouts menu item on the Options menu " ID_HELP_TEXT_LINE_169 "lets the user display readouts on the client " ID_HELP_TEXT_LINE_170 "window showing the positions of the frame " ID_HELP_TEXT_LINE_171 "window rectangle, video window rectangle, " ID_HELP_TEXT_LINE_172 "source rectangle, and destination rectangle. " ID_HELP_TEXT_LINE_173 " " ID_HELP_TEXT_LINE_174 "Each readout line shows: " ID_HELP_TEXT_LINE_175 " " ID_HELP_TEXT_LINE_176 " -- In parentheses (), the coordinates of " ID_HELP_TEXT_LINE_177 " the lower left corner of the rectangle." ID_HELP_TEXT_LINE_178 " " ID_HELP_TEXT_LINE_179 " -- As cx= and cy=, the width and height " ID_HELP_TEXT_LINE_180 " of the rectangle. " ID_HELP_TEXT_LINE_181 " " ID_HELP_TEXT_LINE_182 "The formats of the readouts are: " ID_HELP_TEXT_LINE_183 " " ID_HELP_TEXT_LINE_184 " -- Frame is in desktop coordinates " ID_HELP_TEXT_LINE_185 " -- Video window is in frame coordinates " ID_HELP_TEXT_LINE_186 " -- Destination is in video window coords " ID_HELP_TEXT_LINE_187 " -- Source is in source coordinates " ID_HELP_TEXT_LINE_188 " " ID_HELP_TEXT_LINE_189 " " ID_HELP_TEXT_LINE_190 " " END rcinclude vidview.dlg " " ID_HELP_TEXT_LINE_34 " The rectangular area of the screen in " ID_HELP_TEXT_LINE_35 " which video is displayed. " ID_HELP_TEXT_LINE_36 " " ID_HELP_TEXT_LINE_37 " b) Video source rectangle: " ID_HELP_TEXT_LINE_38 " ;******* VIDVIEW Sample Program Module Definition File (.DEF) *********** ; ; The module definition file supplies extra information about the program ; module to the LINKER. NAME VIDVIEW WINDOWAPI DESCRIPTION 'OS/2 MMPM/2 Sample Video Viewer Program' DATA MULTIPLE STACKSIZE 16384 HEAPSIZE 8192 PROTMODE EXPORTS SourceControlDialogProc IPMBROWSEEXE ArZ 6PKUNZIP EXE 81SCAN DOC a(E SCAN EXE S8Gi# IBM Developer's Workframe/2 Make File Creation run at 13:13:10 on 08/12/92 # Make File Creation run in directory: # D:\MMEDIA\SAMPLES\MMPM\VIDVIEW; .SUFFIXES: .SUFFIXES: .c .rc ALL: VIDVIEW.EXE \ VIDVIEW.RES VIDVIEW.exe: \ VIDVIEW.OBJ VIDVIEW2.OBJ\ VIDVIEW.RES \ VIDVIEW.def \ MAKEFILE @REM @< DLGTEMPLATE ID_DLG_PRODINFO PRELOAD MOVEABLE DISCARDABLE BEGIN DIALOG "VIDVIEW Sample Program", ID_DLG_PRODINFO, 74, 75, 212, 110, FS_NOBYTEALIGN | WS_VISIBLE, FCF_TITLEBAR BEGIN CONTROL ID_PRODBITMAP , ID_PRODBITMAP, 78, 64, 21, 21, WC_STATIC, SS_BITMAP | WS_GROUP | WS_VISIBLE CTEXT "(C) Copyright IBM Corporation 1992." , ID_PRODTEXT1 , 7, 54, 204, 8 CTEXT "All Rights Reserved." , ID_PRODTEXT1 , 7, 44, 204, 8 CTEXT "OS/2 is a registered trademark of" , ID_PRODTEXT2 , 7, 34, 204, 8 CTEXT "International Business Machines Corp.", ID_PRODTEXT3 , 7, 24, 204, 8 DEFPUSHBUTTON "~OK" , -1 , 82, 4, 45, 15 END END DLGTEMPLATE ID_HELP_INFO_DLG LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "VIDVIEW Help Information", ID_HELP_INFO_DLG, 13, 7, 210, 136, WS_VISIBLE, FCF_SYSMENU | FCF_TITLEBAR BEGIN LISTBOX ID_HELP_LISTBOX, 0, 0, 208, 142, LS_HORZSCROLL END END DLGTEMPLATE ID_DLG_SEEK LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "VIDVIEW Seek", ID_DLG_SEEK, 20, 40, 96, 50, WS_VISIBLE, FCF_TITLEBAR BEGIN LTEXT "Seek Frame:", ID_SEEK_TEXT , 9, 37, 55, 8 ENTRYFIELD "" ID_SEEK_ENTRY_FIELD, 40, 24, 48, 8, ES_MARGIN DEFPUSHBUTTON "~OK" , DID_OK , 5, 3, 40, 14 PUSHBUTTON "Cancel" , DID_CANCEL , 51, 3, 40, 14 END END DLGTEMPLATE ID_DLG_SOURCE_RECTANGLE LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "Source Area Control", 6000, 141, 46, 119, 84, NOT FS_DLGBORDER | FS_BORDER | NOT WS_VISIBLE, FCF_SYSMENU | FCF_TITLEBAR | FCF_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN GROUPBOX "" ,ID_SRC_RCL_TEXT_GROUP , 7, 55, 47, 29 LTEXT "" ,ID_SRC_RCL_TEXT_CY , 58, 61, 28, 8, DT_VCENTER RTEXT "" ,ID_SRC_RCL_TEXT_X2_Y2 , 17, 70, 33, 8, DT_VCENTER LTEXT "" ,ID_SRC_RCL_TEXT_X1_Y1 , 9, 58, 32, 8, DT_VCENTER RTEXT "" ,ID_SRC_RCL_TEXT_CX , 16, 46, 26, 8, DT_VCENTER | DT_LEFT PUSHBUTTON "Stretch" ,ID_SRC_RCL_ZOOMSTRETCH , 7, 28, 32, 14, NOT WS_TABSTOP CONTROL "Zoom", ,ID_SRC_RCL_ZOOM_CONTROL , 52, 13, 48, 48, WC_CIRCULARSLIDER, WS_TABSTOP | WS_VISIBLE LTEXT "Horz. Pan" ,ID_SRC_RCL_PAN_H_LABEL , 7, 11, 33, 8 CONTROL "" ,ID_SRC_RCL_PAN_HORZ , 7, 3, 110, 7, WC_SCROLLBAR, WS_TABSTOP | SBS_HORZ | WS_VISIBLE LTEXT "Vert. Pan" ,ID_SRC_RCL_PAN_V_LABEL , 72, 73, 31, 8 CONTROL "" ,ID_SRC_RCL_PAN_VERT , 107, 9, 10, 71, WC_SCROLLBAR, WS_TABSTOP | SBS_VERT | WS_VISIBLE CONTROL "Horz. Stretch",ID_SRC_RCL_STRETCH_HORZ , 60, 11, 42, 38, WC_CIRCULARSLIDER, WS_GROUP | WS_TABSTOP | NOT WS_VISIBLE CONTROL "Vert. Stretch",ID_SRC_RCL_STRETCH_VERT , 60, 49, 42, 38, WC_CIRCULARSLIDER, WS_GROUP | WS_TABSTOP | NOT WS_VISIBLE END END // For zoom type... // DIALOG "Source Area Control", 6000, 141, 46, 119, 84, NOT FS_DLGBORDER | // LTEXT "" ,ID_SRC_RCL_TEXT_CY , 58, 61, 28, 8, DT_VCENTER // LTEXT "Vert. Pan" ,ID_SRC_RCL_PAN_V_LABEL , 70, 73, 31, 8 // For stretch type... // DIALOG "Source Area Control", 6000, 141, 46, 119, 94, NOT FS_DLGBORDER | // LTEXT "" ,ID_SRC_RCL_TEXT_CY , 16, 84, 28, 8, DT_VCENTER // LTEXT "Vert. Pan" ,ID_SRC_RCL_PAN_V_LABEL , 88, 84, 31, 8 //***************************************************************************** // End of File //***************************************************************************** `~$-KIFSMON EXE `~LE_RC EXE `~X-dEMITH EXE `~=EMITDEF EXE `~%EXEHDR EXE `~SIPFC EXE `~(NMAKE EXE `~2WEMITPSC EXE `~^+RCPP EXE `~lDLGEDIT EXE `~/MKMSGF EXE `~%DLGINCLUDE 4 "MMCTL.H" DLGTEMPLATE ID_DLG_AACCOMPLETE_H PRELOAD MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_DLG_AACCOMPLETE_H, 0, 0, 202, 38, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_MUTE, 1, 9, 40, 20, WS_TABSTOP CTEXT "Mute", ID_TEXT_MUTE, 1, 1, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Volume", ID_VOLUME, 41, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Balance",ID_BALANCE, 81, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Treble", ID_TREBLE, 121, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Bass", ID_BASS, 161, 1, 40, 36, WS_TABSTOP END END DLGTEMPLATE ID_DLG_AACMIN_H PRELOAD MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_DLG_AACMIN_H, 0, 0, 82, 38, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_MUTE, 1, 9, 40, 20, WS_TABSTOP CTEXT "Mute", ID_TEXT_MUTE, 1, 1, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Volume", ID_VOLUME, 41, 1, 40, 36, WS_TABSTOP END END DLGTEMPLATE ID_DLG_AACMIN_V DISCARDABLE BEGIN DIALOG "", ID_DLG_AACMIN_V, 0, 0, 42, 69, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_MUTE, 1, 48, 40, 20, WS_TABSTOP CTEXT "Mute", ID_TEXT_MUTE, 1, 39, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Volume", ID_VOLUME, 1, 1, 40, 36, WS_TABSTOP END END DLGTEMPLATE ID_DLG_AACCOMPLETE_V LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_DLG_AACCOMPLETE_V, 0, 0, 42, 174, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_MUTE, 1, 153, 40, 20, WS_TABSTOP CTEXT "Mute", ID_TEXT_MUTE, 1, 145, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Volume", ID_VOLUME, 1, 109, 40, 36, WS_TABSTOP PUSHBUTTON "Balance", ID_BALANCE, 1, 73, 40, 36, WS_TABSTOP PUSHBUTTON "Treble", ID_TREBLE, 1, 37, 40, 36, WS_TABSTOP PUSHBUTTON "Bass", ID_BASS, 1, 1, 40, 36, WS_TABSTOP END END  DLGINCLUDE 5 "MMCTL.H" DLGTEMPLATE ID_DLG_VACCOMPLETE_H PRELOAD MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_DLG_VACCOMPLETE_H, 0, 0, 242, 38, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "Freeze", ID_FREEZE, 1, 9, 40, 20, WS_TABSTOP CTEXT "Freeze", ID_TEXT_FREEZE, 1, 1, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Brightness", ID_BRIGHTNESS 41, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Contrast", ID_CONTRAST, 81, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Color", ID_SATURATION, 121, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Tint", ID_HUE, 161, 1, 40, 36, WS_TABSTOP PUSHBUTTON "Sharpness", ID_SHARPNESS, 201, 1, 40, 36, WS_TABSTOP END END DLGTEMPLATE ID_DLG_VACMIN_H PRELOAD MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_DLG_VACMIN_H, 0, 0, 82, 38, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_FREEZE, 1, 9, 40, 20, WS_TABSTOP CTEXT "Freeze", ID_TEXT_FREEZE, 1, 1, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Brightness",ID_BRIGHTNESS, 41, 1, 40, 36, WS_TABSTOP END END DLGTEMPLATE ID_DLG_VACMIN_V DISCARDABLE BEGIN DIALOG "", ID_DLG_VACMIN_V, 0, 0, 42, 74, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_FREEZE, 1, 47, 40, 20, WS_TABSTOP CTEXT "Freeze", ID_TEXT_FREEZE, 1, 38, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Brightness", ID_BRIGHTNESS, 1, 1, 40, 36, WS_TABSTOP END END DLGTEMPLATE ID_DLG_VACCOMPLETE_V LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_DLG_VACCOMPLETE_V, 113, 0, 42, 216, NOT FS_DLGBORDER | FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "", ID_FREEZE, 1, 189, 40, 20, WS_TABSTOP CTEXT "Freeze", ID_TEXT_FREEZE, 1, 181, 40, 8 PRESPARAMS PP_FOREGROUNDCOLORINDEX, SYSCLR_WINDOWTEXT PUSHBUTTON "Brightness", ID_BRIGHTNESS 1, 145, 40, 36, WS_TABSTOP PUSHBUTTON "Contrast", ID_CONTRAST, 1, 109, 40, 36, WS_TABSTOP PUSHBUTTON "Color", ID_SATURATION, 1, 73, 40, 36, WS_TABSTOP PUSHBUTTON "Tint", ID_HUE, 1, 37, 40, 36, WS_TABSTOP PUSHBUTTON "Sharpness", ID_SHARPNESS, 1, 1, 40, 36, WS_TABSTOP END END  LTEXT "Vert. Pan" ,ID_SRC_RCL_PAN_V_LABEL , 72, 73, 31, 8 CONTROL DLGINCLUDE 2 "MMCTL.H" DLGTEMPLATE ID_HMINIMAL LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_HMINIMAL, 112, 107, 184, 48, FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN PUSHBUTTON "Rewind", ID_REWIND, 0, 30, 31, 17 PUSHBUTTON "ScanB", ID_SCANR, 33, 30, 31, 12, NOT WS_TABSTOP PUSHBUTTON "ScanF", ID_SCAN, 66, 30, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Pause", ID_PAUSE, 99, 30, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Play", ID_PLAY, 133, 30, 51, 17, NOT WS_TABSTOP LTEXT "", ID_POSTITLE, 0, 20, 183, 8, NOT WS_GROUP PUSHBUTTON "Position", ID_POSITION, 0, 1, 182, 18, NOT WS_TABSTOP END END DLGTEMPLATE ID_VCOMPLETE LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_VCOMPLETE, 100, 49, 75, 155, FS_NOBYTEALIGN | NOT FS_DLGBORDER PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN LTEXT "Position Title", ID_POSTITLE, 38, 125, 35, 8, NOT WS_GROUP PUSHBUTTON "Play", ID_PLAY, 1, 137, 31, 17, WS_TABSTOP PUSHBUTTON "Pause", ID_PAUSE, 38, 137, 31, 17, NOT WS_TABSTOP PUSHBUTTON "PlayB", ID_PLAYR, 1, 120, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Rewind", ID_REWIND, 1, 103, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Stop", ID_STOP, 1, 86, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Record", ID_RECORD, 1, 69, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Eject", ID_EJECT, 1, 52, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Repeat", ID_REPEAT, 1, 35, 31, 17, NOT WS_TABSTOP PUSHBUTTON "ScanB", ID_SCANR, 1, 18, 31, 17, NOT WS_TABSTOP PUSHBUTTON "ScanF", ID_SCAN, 38, 18, 31, 17, NOT WS_TABSTOP PUSHBUTTON "StepB", ID_STEPR, 1, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Step", ID_STEP, 38, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Position", ID_POSITION, 42, 37, 31, 89, NOT WS_TABSTOP END END DLGTEMPLATE ID_VMINIMAL LOADONCALL MOVEABLE DISCARDABLE BEGIN DIALOG "", ID_VMINIMAL, 100, 104, 75, 87, FS_NOBYTEALIGN | NOT FS_DLGBORDER PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN LTEXT "Position Title", ID_POSTITLE, 36, 77, 35, 8, NOT WS_GROUP PUSHBUTTON "Play", ID_PLAY, 1, 69, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Pause", ID_PAUSE, 1, 52, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Rewind", ID_REWIND, 1, 35, 31, 17, NOT WS_TABSTOP PUSHBUTTON "ScanB", ID_SCANR, 1, 18, 31, 17, NOT WS_TABSTOP PUSHBUTTON "ScanF", ID_SCAN, 1, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Position", ID_POSITION, 42, 2, 31, 76, NOT WS_TABSTOP END END DLGTEMPLATE ID_HCOMPLETE LOADONCALL MOVEABLE DISCARDABLE BEGIN /* Dialog statement for including status line DIALOG "", ID_HCOMPLETE, 106, 88, 214, 75, FS_NOBYTEALIGN */ DIALOG "", ID_HCOMPLETE, 106, 88, 214, 68, FS_NOBYTEALIGN PRESPARAMS PP_FONTNAMESIZE, "8.Helv" BEGIN /* Control statement for status line LTEXT "", ID_STATUS, 2, 67, 211, 8, NOT WS_GROUP */ PUSHBUTTON "Rewind", ID_REWIND, 2, 51, 31, 17 PUSHBUTTON "Stop", ID_STOP, 35, 51, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Pause", ID_PAUSE, 67, 51, 31, 17, NOT WS_TABSTOP PUSHBUTTON "PlayB", ID_PLAYR, 103, 51, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Play", ID_PLAY, 137, 51, 45, 17, NOT WS_TABSTOP PUSHBUTTON "Record", ID_RECORD, 183, 51, 31, 17, NOT WS_TABSTOP LTEXT "", ID_POSTITLE, 2, 41, 212, 8, NOT WS_GROUP PUSHBUTTON "Position", ID_POSITION, 2, 22, 210, 18, NOT WS_TABSTOP PUSHBUTTON "ScanB", ID_SCANR, 2, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "ScanF", ID_SCAN, 35, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "StepB", ID_STEPR, 69, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "StepF", ID_STEP, 102, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Eject", ID_EJECT, 144, 1, 31, 17, NOT WS_TABSTOP PUSHBUTTON "Repeat", ID_REPEAT, 183, 1, 31, 17, NOT WS_TABSTOP END END _RCL_PAN_VERT , 107, 9, 10, 71, WC_SCROLLBAR, WS_TABSTOP | SBS_VERT | WS_VISIBLE CONTROL "Horz. Stretch",ID_SRC_RCL_STRETCH_HORZ , 60, 11, 42, 38, WC_CIRCULARSLIDER, WS_GROUP | WS_TABSTOP | NOT WS_VISIBLE CONTROL "Vert. Stretch",ID_SRC_RCL_STRETCH_VERT , 60, 49, 42, 38, WC_CIRCULARSLIDER, WS_GROUP | WS_TABSTOP | NOT WS_VISIBLE END END // For zoom type... // DIALOG "Source Area Control", 6000, 141, 46, 119, 84, NOT