vfwold.pas
上传用户:hylc_2004
上传日期:2014-01-23
资源大小:46800k
文件大小:89k
- unit vfw;
- interface
- uses
- Windows, MMSystem, Messages;
- const
- // ------------------------------------------------------------------
- // Window Messages WM_CAP... which can be sent to an AVICAP window
- // ------------------------------------------------------------------
- // Defines start of the message range
- WM_CAP_START = WM_USER;
- WM_CAP_GET_CAPSTREAMPTR = (WM_CAP_START+ 1);
- WM_CAP_SET_CALLBACK_ERROR = (WM_CAP_START+ 2);
- WM_CAP_SET_CALLBACK_STATUS = (WM_CAP_START+ 3);
- WM_CAP_SET_CALLBACK_YIELD = (WM_CAP_START+ 4);
- WM_CAP_SET_CALLBACK_FRAME = (WM_CAP_START+ 5);
- WM_CAP_SET_CALLBACK_VIDEOSTREAM = (WM_CAP_START+ 6);
- WM_CAP_SET_CALLBACK_WAVESTREAM = (WM_CAP_START+ 7);
- WM_CAP_GET_USER_DATA = (WM_CAP_START+ 8);
- WM_CAP_SET_USER_DATA = (WM_CAP_START+ 9);
- WM_CAP_DRIVER_CONNECT = (WM_CAP_START+ 10);
- WM_CAP_DRIVER_DISCONNECT = (WM_CAP_START+ 11);
- WM_CAP_DRIVER_GET_NAME = (WM_CAP_START+ 12);
- WM_CAP_DRIVER_GET_VERSION = (WM_CAP_START+ 13);
- WM_CAP_DRIVER_GET_CAPS = (WM_CAP_START+ 14);
- WM_CAP_FILE_SET_CAPTURE_FILE = (WM_CAP_START+ 20);
- WM_CAP_FILE_GET_CAPTURE_FILE = (WM_CAP_START+ 21);
- WM_CAP_FILE_ALLOCATE = (WM_CAP_START+ 22);
- WM_CAP_FILE_SAVEAS = (WM_CAP_START+ 23);
- WM_CAP_FILE_SET_INFOCHUNK = (WM_CAP_START+ 24);
- WM_CAP_FILE_SAVEDIB = (WM_CAP_START+ 25);
- WM_CAP_EDIT_COPY = (WM_CAP_START+ 30);
- WM_CAP_SET_AUDIOFORMAT = (WM_CAP_START+ 35);
- WM_CAP_GET_AUDIOFORMAT = (WM_CAP_START+ 36);
- WM_CAP_DLG_VIDEOFORMAT = (WM_CAP_START+ 41);
- WM_CAP_DLG_VIDEOSOURCE = (WM_CAP_START+ 42);
- WM_CAP_DLG_VIDEODISPLAY = (WM_CAP_START+ 43);
- WM_CAP_GET_VIDEOFORMAT = (WM_CAP_START+ 44);
- WM_CAP_SET_VIDEOFORMAT = (WM_CAP_START+ 45);
- WM_CAP_DLG_VIDEOCOMPRESSION = (WM_CAP_START+ 46);
- WM_CAP_SET_PREVIEW = (WM_CAP_START+ 50);
- WM_CAP_SET_OVERLAY = (WM_CAP_START+ 51);
- WM_CAP_SET_PREVIEWRATE = (WM_CAP_START+ 52);
- WM_CAP_SET_SCALE = (WM_CAP_START+ 53);
- WM_CAP_GET_STATUS = (WM_CAP_START+ 54);
- WM_CAP_SET_SCROLL = (WM_CAP_START+ 55);
- WM_CAP_GRAB_FRAME = (WM_CAP_START+ 60);
- WM_CAP_GRAB_FRAME_NOSTOP = (WM_CAP_START+ 61);
- WM_CAP_SEQUENCE = (WM_CAP_START+ 62);
- WM_CAP_SEQUENCE_NOFILE = (WM_CAP_START+ 63);
- WM_CAP_SET_SEQUENCE_SETUP = (WM_CAP_START+ 64);
- WM_CAP_GET_SEQUENCE_SETUP = (WM_CAP_START+ 65);
- WM_CAP_SET_MCI_DEVICE = (WM_CAP_START+ 66);
- WM_CAP_GET_MCI_DEVICE = (WM_CAP_START+ 67);
- WM_CAP_STOP = (WM_CAP_START+ 68);
- WM_CAP_ABORT = (WM_CAP_START+ 69);
- WM_CAP_SINGLE_FRAME_OPEN = (WM_CAP_START+ 70);
- WM_CAP_SINGLE_FRAME_CLOSE = (WM_CAP_START+ 71);
- WM_CAP_SINGLE_FRAME = (WM_CAP_START+ 72);
- WM_CAP_PAL_OPEN = (WM_CAP_START+ 80);
- WM_CAP_PAL_SAVE = (WM_CAP_START+ 81);
- WM_CAP_PAL_PASTE = (WM_CAP_START+ 82);
- WM_CAP_PAL_AUTOCREATE = (WM_CAP_START+ 83);
- WM_CAP_PAL_MANUALCREATE = (WM_CAP_START+ 84);
- // Following added post VFW 1.1
- WM_CAP_SET_CALLBACK_CAPCONTROL = (WM_CAP_START+ 85);
- // Defines end of the message range
- WM_CAP_END = WM_CAP_SET_CALLBACK_CAPCONTROL;
- // dwFlags field of TVIDEOHDR
- VHDR_DONE = $00000001; // Done bit */
- VHDR_PREPARED= $00000002; // Set if this header has been prepared */
- VHDR_INQUEUE = $00000004; // Reserved for driver */
- VHDR_KEYFRAME= $00000008; // Key Frame */
- // ------------------------------------------------------------------
- // Structures
- // ------------------------------------------------------------------
- type
- PCapDriverCaps = ^TCapDriverCaps;
- TCapDriverCaps = record
- wDeviceIndex :WORD; // Driver index in system.ini
- fHasOverlay :BOOL; // Can device overlay?
- fHasDlgVideoSource :BOOL; // Has Video source dlg?
- fHasDlgVideoFormat :BOOL; // Has Format dlg?
- fHasDlgVideoDisplay :BOOL; // Has External out dlg?
- fCaptureInitialized :BOOL; // Driver ready to capture?
- fDriverSuppliesPalettes :BOOL; // Can driver make palettes?
- hVideoIn :THANDLE; // Driver In channel
- hVideoOut :THANDLE; // Driver Out channel
- hVideoExtIn :THANDLE; // Driver Ext In channel
- hVideoExtOut :THANDLE; // Driver Ext Out channel
- end;
- pCapStatus = ^TCapStatus;
- TCapStatus = record
- uiImageWidth :UINT; // Width of the image
- uiImageHeight :UINT; // Height of the image
- fLiveWindow :BOOL; // Now Previewing video?
- fOverlayWindow :BOOL; // Now Overlaying video?
- fScale :BOOL; // Scale image to client?
- ptScroll :TPOINT; // Scroll position
- fUsingDefaultPalette :BOOL; // Using default driver palette?
- fAudioHardware :BOOL; // Audio hardware present?
- fCapFileExists :BOOL; // Does capture file exist?
- dwCurrentVideoFrame :DWORD; // # of video frames cap'td
- dwCurrentVideoFramesDropped :DWORD; // # of video frames dropped
- dwCurrentWaveSamples :DWORD; // # of wave samples cap'td
- dwCurrentTimeElapsedMS :DWORD; // Elapsed capture duration
- hPalCurrent :HPALETTE; // Current palette in use
- fCapturingNow :BOOL; // Capture in progress?
- dwReturn :DWORD; // Error value after any operation
- wNumVideoAllocated :UINT; // Actual number of video buffers
- wNumAudioAllocated :UINT; // Actual number of audio buffers
- end;
- pCaptureParms = ^TCaptureParms;
- TCaptureParms = record // Default values in parenthesis
- dwRequestMicroSecPerFrame :DWORD; // Requested capture rate
- fMakeUserHitOKToCapture :BOOL; // Show "Hit OK to cap" dlg?
- wPercentDropForError :UINT; // Give error msg if > (10%)
- fYield :BOOL; // Capture via background task?
- dwIndexSize :DWORD; // Max index size in frames (32K)
- wChunkGranularity :UINT; // Junk chunk granularity (2K)
- fUsingDOSMemory :BOOL; // Use DOS buffers?
- wNumVideoRequested :UINT; // # video buffers, If 0, autocalc
- fCaptureAudio :BOOL; // Capture audio?
- wNumAudioRequested :UINT; // # audio buffers, If 0, autocalc
- vKeyAbort :UINT; // Virtual key causing abort
- fAbortLeftMouse :BOOL; // Abort on left mouse?
- fAbortRightMouse :BOOL; // Abort on right mouse?
- fLimitEnabled :BOOL; // Use wTimeLimit?
- wTimeLimit :UINT; // Seconds to capture
- fMCIControl :BOOL; // Use MCI video source?
- fStepMCIDevice :BOOL; // Step MCI device?
- dwMCIStartTime :DWORD; // Time to start in MS
- dwMCIStopTime :DWORD; // Time to stop in MS
- fStepCaptureAt2x :BOOL; // Perform spatial averaging 2x
- wStepCaptureAverageFrames :UINT; // Temporal average n Frames
- dwAudioBufferSize :DWORD; // Size of audio bufs (0 = default)
- fDisableWriteCache :BOOL; // Attempt to disable write cache
- AVStreamMaster :UINT; // Which stream controls length?
- end;
- PCapInfoChunk = ^TCapInfoChunk;
- TCapInfoChunk = record
- fccInfoID :FOURCC; // Chunk ID, "ICOP" for copyright
- lpData :Pointer; // pointer to data
- cbData :LongInt; // size of lpData
- end;
- PVIDEOHDR = ^TVIDEOHDR;
- TVIDEOHDR = record
- lpData:pByte; // pointer to locked data buffer
- dwBufferLength:DWORD; // Length of data buffer
- dwBytesUsed:DWORD; // Bytes actually used
- dwTimeCaptured:DWORD; // Milliseconds from start of stream
- dwUser:DWORD; // for client's use
- dwFlags:DWORD; // assorted flags (see defines)
- dwReserved: array [0..4] of DWORD; // reserved for driver
- end;
- // ------------------------------------------------------------------
- // Callback Definitions
- // ------------------------------------------------------------------
- type
- TCAPSTATUSCALLBACK = function(hWnd:HWND; nID:Integer; lpsz:PChar):LongInt; stdcall;
- TCAPYIELDCALLBACK = function(hWnd:HWND):LongInt; stdcall;
- TCAPERRORCALLBACK = function(hWnd:HWND; nID:Integer; lpsz:Pchar):LongInt; stdcall;
- TCAPVIDEOSTREAMCALLBACK = function(hWnd:HWND; lpVHdr:PVIDEOHDR):LongInt; stdcall;
- TCAPWAVESTREAMCALLBACK = function(hWnd:HWND; lpWHdr:PWAVEHDR):LongInt; stdcall;
- TCAPCONTROLCALLBACK = function(hWnd:HWND; nState:Integer):LongInt; stdcall;
- // ------------------------------------------------------------------
- // CapControlCallback states
- // ------------------------------------------------------------------
- Const
- CONTROLCALLBACK_PREROLL = 1; // Waiting to start capture
- CONTROLCALLBACK_CAPTURING = 2; // Now capturing
- // ------------------------------------------------------------------
- // Message crackers for above
- // ------------------------------------------------------------------
- function capSetCallbackOnError (hwnd : THandle; fpProc:TCAPERRORCALLBACK):LongInt;
- function capSetCallbackOnStatus(hwnd : THandle; fpProc:TCAPSTATUSCALLBACK):LongInt;
- function capSetCallbackOnYield (hwnd : THandle; fpProc:TCAPYIELDCALLBACK):LongInt;
- function capSetCallbackOnFrame (hwnd : THandle; fpProc:TCAPVIDEOSTREAMCALLBACK):LongInt; // Hier ist der Type der Callbackfunktion nicht klar !
- function capSetCallbackOnVideoStream(hwnd:THandle; fpProc:TCAPVIDEOSTREAMCALLBACK):LongInt;
- function capSetCallbackOnWaveStream (hwnd:THandle; fpProc: TCAPWAVESTREAMCALLBACK):LongInt;
- function capSetCallbackOnCapControl (hwnd:THandle; fpProc:TCAPCONTROLCALLBACK):LongInt;
- function capSetUserData(hwnd:THandle; lUser:LongInt):LongInt;
- function capGetUserData(hwnd:THandle):LongInt;
- function capDriverConnect(hwnd:THandle; I: Word) : boolean;
- function capDriverDisconnect(hwnd:THandle):boolean;
- function capDriverGetName(hwnd:THandle; szName:PChar; wSize:Word):boolean;
- function capDriverGetVersion(hwnd:THandle; szVer:PChar; wSize:Word):Boolean;
- function capDriverGetCaps(hwnd:THandle; s:PCapDriverCaps; wSize:Word):boolean;
- function capFileSetCaptureFile(hwnd:THandle; szName:PChar):boolean;
- function capFileGetCaptureFile(hwnd:THandle; szName:PChar; wSize:Word):boolean;
- function capFileAlloc(hwnd:THandle; dwSize:DWORD):boolean;
- function capFileSaveAs(hwnd:THandle; szName:Pchar):boolean;
- function capFileSetInfoChunk(hwnd:THandle; lpInfoChunk:pCapInfoChunk):boolean ;
- function capFileSaveDIB(hwnd:THandle; szName:Pchar):boolean;
- function capEditCopy(hwnd : THandle):boolean;
- function capSetAudioFormat(hwnd:THandle; s:PWaveFormatEx; wSize:Word):Boolean;
- function capGetAudioFormat(hwnd:THandle; s:PWaveFormatEx; wSize:Word):DWORD;
- function capGetAudioFormatSize(hwnd:THandle):DWORD;
- function capDlgVideoFormat(hwnd:THandle):boolean;
- function capDlgVideoSource(hwnd:THandle):boolean;
- function capDlgVideoDisplay(hwnd:THandle):boolean;
- function capDlgVideoCompression(hwnd:THandle):boolean;
- function capGetVideoFormat(hwnd:THandle; s:pBitmapInfo; wSize:Word):DWord;
- function capGetVideoFormatSize(hwnd:THandle):DWORD;
- function capSetVideoFormat(hwnd:THandle; s:pBitmapInfo; wSize:Word):boolean;
- function capPreview(hwnd:THandle; f:boolean):boolean;
- function capPreviewRate(hwnd:THandle; wMS:Word):boolean;
- function capOverlay(hwnd:THandle; f:boolean):boolean;
- function capPreviewScale(hwnd:THandle; f:boolean):boolean;
- function capGetStatus(hwnd:THandle; s:pCapStatus; wSize:Word):boolean;
- function capSetScrollPos(hwnd:THandle; lpP:pPoint):boolean;
- function capGrabFrame(hwnd:THandle):boolean;
- function capGrabFrameNoStop(hwnd:THandle):boolean;
- function capCaptureSequence(hwnd:THandle):Boolean;
- function capCaptureSequenceNoFile(hwnd:THandle):Boolean;
- function capCaptureStop(hwnd:THandle):boolean;
- function capCaptureAbort(hwnd:THandle):boolean;
- function capCaptureSingleFrameOpen(hwnd:THandle):boolean;
- function capCaptureSingleFrameClose(hwnd:THandle):boolean;
- function capCaptureSingleFrame(hwnd:THandle):boolean;
- function capCaptureGetSetup(hwnd:THandle; s:pCaptureParms; wSize:Word):boolean;
- function capCaptureSetSetup(hwnd:THandle; s:pCaptureParms; wSize:Word):boolean;
- function capSetMCIDeviceName(hwnd:THandle; szName:PChar):boolean;
- function capGetMCIDeviceName(hwnd:THandle; szName:PChar; wSize:Word):boolean;
- function capPaletteOpen(hwnd:THandle; szName:PChar):boolean;
- function capPaletteSave(hwnd:THandle; szName:PChar):boolean;
- function capPalettePaste(hwnd:THandle):Boolean;
- function capPaletteAuto(hwnd:THandle; iFrames:Word; iColors:word):boolean;
- function capPaletteManual(hwnd:THandle; fGrab:Word; iColors:word):boolean;
- // ------------------------------------------------------------------
- // The only exported functions from AVICAP.DLL
- // ------------------------------------------------------------------
- function capCreateCaptureWindow (
- lpszWindowName : PChar;
- dwStyle : DWord;
- x, y : Integer;
- nWidth, nHeight : Integer;
- hwndParent : THandle;
- nID : Integer ) : THandle; stdcall;
- function capGetDriverDescription (
- wDriverIndex : DWord;
- lpszName : PChar;
- cbName : Integer;
- lpszVer : PChar;
- cbVer : Integer ) : Boolean; stdcall;
- // ------------------------------------------------------------------
- // New Information chunk IDs
- // ------------------------------------------------------------------
- (*
- infotypeDIGITIZATION_TIME = mmioStringToFOURCC(PChar('IDIT'), MMIO_TOUPPER);
- infotypeSMPTE_TIME = mmioStringToFOURCC(PChar('ISMP'), MMIO_TOUPPER);
- *)
- // ------------------------------------------------------------------
- // String IDs from status and error callbacks
- // ------------------------------------------------------------------
- Const
- IDS_CAP_BEGIN = 300; (* "Capture Start" *)
- IDS_CAP_END = 301; (* "Capture End" *)
- IDS_CAP_INFO = 401; (* "%s" *)
- IDS_CAP_OUTOFMEM = 402; (* "Out of memory" *)
- IDS_CAP_FILEEXISTS = 403; (* "File '%s' exists -- overwrite it?" *)
- IDS_CAP_ERRORPALOPEN = 404; (* "Error opening palette '%s'" *)
- IDS_CAP_ERRORPALSAVE = 405; (* "Error saving palette '%s'" *)
- IDS_CAP_ERRORDIBSAVE = 406; (* "Error saving frame '%s'" *)
- IDS_CAP_DEFAVIEXT = 407; (* "avi" *)
- IDS_CAP_DEFPALEXT = 408; (* "pal" *)
- IDS_CAP_CANTOPEN = 409; (* "Cannot open '%s'" *)
- IDS_CAP_SEQ_MSGSTART = 410; (* "Select OK to start capturenof video sequencento %s." *)
- IDS_CAP_SEQ_MSGSTOP = 411; (* "Hit ESCAPE or click to end capture" *)
- IDS_CAP_VIDEDITERR = 412; (* "An error occurred while trying to run VidEdit." *)
- IDS_CAP_READONLYFILE = 413; (* "The file '%s' is a read-only file." *)
- IDS_CAP_WRITEERROR = 414; (* "Unable to write to file '%s'.nDisk may be full." *)
- IDS_CAP_NODISKSPACE = 415; (* "There is no space to create a capture file on the specified device." *)
- IDS_CAP_SETFILESIZE = 416; (* "Set File Size" *)
- IDS_CAP_SAVEASPERCENT = 417; (* "SaveAs: %2ld%% Hit Escape to abort." *)
- IDS_CAP_DRIVER_ERROR = 418; (* Driver specific error message *)
- IDS_CAP_WAVE_OPEN_ERROR = 419; (* "Error: Cannot open the wave input device.nCheck sample size, frequency, and channels." *)
- IDS_CAP_WAVE_ALLOC_ERROR = 420; (* "Error: Out of memory for wave buffers." *)
- IDS_CAP_WAVE_PREPARE_ERROR = 421; (* "Error: Cannot prepare wave buffers." *)
- IDS_CAP_WAVE_ADD_ERROR = 422; (* "Error: Cannot add wave buffers." *)
- IDS_CAP_WAVE_SIZE_ERROR = 423; (* "Error: Bad wave size." *)
- IDS_CAP_VIDEO_OPEN_ERROR = 424; (* "Error: Cannot open the video input device." *)
- IDS_CAP_VIDEO_ALLOC_ERROR = 425; (* "Error: Out of memory for video buffers." *)
- IDS_CAP_VIDEO_PREPARE_ERROR = 426; (* "Error: Cannot prepare video buffers." *)
- IDS_CAP_VIDEO_ADD_ERROR = 427; (* "Error: Cannot add video buffers." *)
- IDS_CAP_VIDEO_SIZE_ERROR = 428; (* "Error: Bad video size." *)
- IDS_CAP_FILE_OPEN_ERROR = 429; (* "Error: Cannot open capture file." *)
- IDS_CAP_FILE_WRITE_ERROR = 430; (* "Error: Cannot write to capture file. Disk may be full." *)
- IDS_CAP_RECORDING_ERROR = 431; (* "Error: Cannot write to capture file. Data rate too high or disk full." *)
- IDS_CAP_RECORDING_ERROR2 = 432; (* "Error while recording" *)
- IDS_CAP_AVI_INIT_ERROR = 433; (* "Error: Unable to initialize for capture." *)
- IDS_CAP_NO_FRAME_CAP_ERROR = 434; (* "Warning: No frames captured.nConfirm that vertical sync interruptsnare configured and enabled." *)
- IDS_CAP_NO_PALETTE_WARN = 435; (* "Warning: Using default palette." *)
- IDS_CAP_MCI_CONTROL_ERROR = 436; (* "Error: Unable to access MCI device." *)
- IDS_CAP_MCI_CANT_STEP_ERROR = 437; (* "Error: Unable to step MCI device." *)
- IDS_CAP_NO_AUDIO_CAP_ERROR = 438; (* "Error: No audio data captured.nCheck audio card settings." *)
- IDS_CAP_AVI_DRAWDIB_ERROR = 439; (* "Error: Unable to draw this data format." *)
- IDS_CAP_COMPRESSOR_ERROR = 440; (* "Error: Unable to initialize compressor." *)
- IDS_CAP_AUDIO_DROP_ERROR = 441; (* "Error: Audio data was lost during capture, reduce capture rate." *)
- (* status string IDs *)
- IDS_CAP_STAT_LIVE_MODE = 500; (* "Live window" *)
- IDS_CAP_STAT_OVERLAY_MODE = 501; (* "Overlay window" *)
- IDS_CAP_STAT_CAP_INIT = 502; (* "Setting up for capture - Please wait" *)
- IDS_CAP_STAT_CAP_FINI = 503; (* "Finished capture, now writing frame %ld" *)
- IDS_CAP_STAT_PALETTE_BUILD = 504; (* "Building palette map" *)
- IDS_CAP_STAT_OPTPAL_BUILD = 505; (* "Computing optimal palette" *)
- IDS_CAP_STAT_I_FRAMES = 506; (* "%d frames" *)
- IDS_CAP_STAT_L_FRAMES = 507; (* "%ld frames" *)
- IDS_CAP_STAT_CAP_L_FRAMES = 508; (* "Captured %ld frames" *)
- IDS_CAP_STAT_CAP_AUDIO = 509; (* "Capturing audio" *)
- IDS_CAP_STAT_VIDEOCURRENT = 510; (* "Captured %ld frames (%ld dropped) %d.%03d sec." *)
- IDS_CAP_STAT_VIDEOAUDIO = 511; (* "Captured %d.%03d sec. %ld frames (%ld dropped) (%d.%03d fps). %ld audio bytes (%d,%03d sps)" *)
- IDS_CAP_STAT_VIDEOONLY = 512; (* "Captured %d.%03d sec. %ld frames (%ld dropped) (%d.%03d fps)" *)
- IDS_CAP_STAT_FRAMESDROPPED = 513; (* "Dropped %ld of %ld frames (%d.%02d%%) during capture." *)
- {== DRAWDIB - Routines for drawing to the display ============================}
- type
- HDRAWDIB = THandle; // hdd
- { == DrawDib Flags ============================================================}
- const
- DDF_UPDATE = $0002; // re-draw the last DIB
- DDF_SAME_HDC = $0004; // HDC same as last call (all setup)
- DDF_SAME_DRAW = $0008; // draw params are the same
- DDF_DONTDRAW = $0010; // dont draw frame, just decompress
- DDF_ANIMATE = $0020; // allow palette animation
- DDF_BUFFER = $0040; // always buffer image
- DDF_JUSTDRAWIT = $0080; // just draw it with GDI
- DDF_FULLSCREEN = $0100; // use DisplayDib
- DDF_BACKGROUNDPAL = $0200; // Realize palette in background
- DDF_NOTKEYFRAME = $0400; // this is a partial frame update, hint
- DDF_HURRYUP = $0800; // hurry up please!
- DDF_HALFTONE = $1000; // always halftone
- DDF_PREROLL = DDF_DONTDRAW; // Builing up a non-keyframe
- DDF_SAME_DIB = DDF_SAME_DRAW;
- DDF_SAME_SIZE = DDF_SAME_DRAW;
- {== DrawDib functions ========================================================}
- {-- DrawDibOpen() ------------------------------------------------------------}
- function DrawDibOpen: HDRAWDIB; stdcall;
- {-- DrawDibClose() -----------------------------------------------------------}
- function DrawDibClose(hdd: HDRAWDIB): BOOL; stdcall;
- {-- DrawDibGetBuffer() -------------------------------------------------------}
- function DrawDibGetBuffer(hdd: HDRAWDIB; lpbi: PBITMAPINFOHEADER; dwSize: DWORD; dwFlags: DWORD): Pointer;stdcall;
- {-- DrawDibGetPalette() - get the palette used for drawing DIBs --------------}
- function DrawDibGetPalette(hdd: HDRAWDIB): HPALETTE; stdcall;
- {-- DrawDibSetPalette() - set the palette used for drawing DIBs --------------}
- function DrawDibSetPalette(hdd: HDRAWDIB; hpal: HPALETTE): BOOL; stdcall;
- {-- DrawDibChangePalette() ---------------------------------------------------}
- function DrawDibChangePalette(hdd: HDRAWDIB; iStart, iLen: integer; lppe: PPALETTEENTRY): BOOL; stdcall;
- {-- DrawDibRealize() - realize the palette in a HDD --------------------------}
- function DrawDibRealize(hdd: HDRAWDIB; hdc: HDC; fBackground: BOOL): UINT; stdcall;
- {-- DrawDibStart() - start of streaming playback -----------------------------}
- function DrawDibStart(hdd: HDRAWDIB; rate: DWORD): BOOL; stdcall;
- {-- DrawDibStop() - start of streaming playback ------------------------------}
- function DrawDibStop(hdd: HDRAWDIB): BOOL; stdcall;
- {-- DrawDibBegin() - prepare to draw -----------------------------------------}
- function DrawDibBegin(
- hdd : HDRAWDIB;
- hdc : HDC;
- dxDst : integer;
- dyDst : integer;
- lpbi : PBITMAPINFOHEADER;
- dxSrc : integer;
- dySrc : integer;
- wFlags : UINT
- ): BOOL; stdcall;
- {-- DrawDibDraw() - actually draw a DIB to the screen ------------------------}
- function DrawDibDraw(
- hdd : HDRAWDIB;
- hdc : HDC;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer;
- lpbi : PBITMAPINFOHEADER;
- lpBits : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- wFlags : UINT
- ): BOOL; stdcall;
- {-- DrawDibUpdate() - redraw last image (may only be valid with DDF_BUFFER) --}
- //function DrawDibUpdate(hdd: HDRAWDIB; hdc: HDC; x, y: integer): BOOL;stdcall;
- {-- DrawDibEnd() -------------------------------------------------------------}
- function DrawDibEnd(hdd: HDRAWDIB): BOOL; stdcall;
- {-- DrawDibTime() - for debugging purposes only ------------------------------}
- type
- PDRAWDIBTIME = ^TDRAWDIBTIME;
- TDRAWDIBTIME = record
- timeCount : DWORD;
- timeDraw : DWORD;
- timeDecompress : DWORD;
- timeDither : DWORD;
- timeStretch : DWORD;
- timeBlt : DWORD;
- timeSetDIBits : DWORD;
- end;
- function DrawDibTime(hdd: HDRAWDIB; lpddtime: PDRAWDIBTIME): BOOL; stdcall;
- {-- Display profiling --------------------------------------------------------}
- const
- PD_CAN_DRAW_DIB = $0001; // if you can draw at all
- PD_CAN_STRETCHDIB = $0002; // basicly RC_STRETCHDIB
- PD_STRETCHDIB_1_1_OK = $0004; // is it fast?
- PD_STRETCHDIB_1_2_OK = $0008; // ...
- PD_STRETCHDIB_1_N_OK = $0010; // ...
- function DrawDibProfileDisplay(lpbi: PBITMAPINFOHEADER): DWORD; stdcall;
- // Helper fucntion for FOURCC
- function MKFOURCC(ch0, ch1, ch2, ch3: Char): FOURCC;
- {== COMPMAN - Installable Compression Manager ================================}
- const
- ICVERSION = $0104 ;
- type
- HIC = THandle; // Handle to an Installable Compressor
- //
- // this code in biCompression means the DIB must be accesed via
- // 48 bit pointers! using *ONLY* the selector given.
- //
- const
- BI_1632 = $32333631; // '1632'
- function mmioFOURCC(ch0, ch1, ch2, ch3: Char): FOURCC;
- type
- TWOCC = Word;
- function aviTWOCC(ch0, ch1: Char): TWOCC;
- const
- ICTYPE_VIDEO = $63646976; // mmioFOURCC('v', 'i', 'd', 'c')
- ICTYPE_AUDIO = $63647561; // mmioFOURCC('a', 'u', 'd', 'c')
- const
- ICERR_OK = 0 ;
- ICERR_DONTDRAW = 1 ;
- ICERR_NEWPALETTE = 2 ;
- ICERR_GOTOKEYFRAME = 3 ;
- ICERR_STOPDRAWING = 4 ;
- ICERR_UNSUPPORTED = -1 ;
- ICERR_BADFORMAT = -2 ;
- ICERR_MEMORY = -3 ;
- ICERR_INTERNAL = -4 ;
- ICERR_BADFLAGS = -5 ;
- ICERR_BADPARAM = -6 ;
- ICERR_BADSIZE = -7 ;
- ICERR_BADHANDLE = -8 ;
- ICERR_CANTUPDATE = -9 ;
- ICERR_ABORT = -10 ;
- ICERR_ERROR = -100 ;
- ICERR_BADBITDEPTH = -200 ;
- ICERR_BADIMAGESIZE = -201 ;
- ICERR_CUSTOM = -400 ; // errors less than ICERR_CUSTOM...
- {-- Values for dwFlags of ICOpen() -------------------------------------------}
- ICMODE_COMPRESS = 1 ;
- ICMODE_DECOMPRESS = 2 ;
- ICMODE_FASTDECOMPRESS = 3 ;
- ICMODE_QUERY = 4 ;
- ICMODE_FASTCOMPRESS = 5 ;
- ICMODE_DRAW = 8 ;
- {-- Flags for AVI file index -------------------------------------------------}
- AVIIF_LIST = $00000001 ;
- AVIIF_TWOCC = $00000002 ;
- AVIIF_KEYFRAME = $00000010 ;
- {-- quality flags ------------------------------------------------------------}
- ICQUALITY_LOW = 0 ;
- ICQUALITY_HIGH = 10000 ;
- ICQUALITY_DEFAULT = -1 ;
- {-----------------------------------------------------------------------------}
- ICM_USER = (DRV_USER+$0000) ;
- ICM_RESERVED_LOW = (DRV_USER+$1000) ;
- ICM_RESERVED_HIGH = (DRV_USER+$2000) ;
- ICM_RESERVED = ICM_RESERVED_LOW ;
- {-- Messages -----------------------------------------------------------------}
- ICM_GETSTATE = (ICM_RESERVED+0) ; // Get compressor state
- ICM_SETSTATE = (ICM_RESERVED+1) ; // Set compressor state
- ICM_GETINFO = (ICM_RESERVED+2) ; // Query info about the compressor
- ICM_CONFIGURE = (ICM_RESERVED+10); // show the configure dialog
- ICM_ABOUT = (ICM_RESERVED+11); // show the about box
- ICM_GETDEFAULTQUALITY = (ICM_RESERVED+30); // get the default value for quality
- ICM_GETQUALITY = (ICM_RESERVED+31); // get the current value for quality
- ICM_SETQUALITY = (ICM_RESERVED+32); // set the default value for quality
- ICM_SET = (ICM_RESERVED+40); // Tell the driver something
- ICM_GET = (ICM_RESERVED+41); // Ask the driver something
- {-- Constants for ICM_SET: ---------------------------------------------------}
- ICM_FRAMERATE = $526D7246; // mmioFOURCC('F','r','m','R')
- ICM_KEYFRAMERATE = $5279654B; // mmioFOURCC('K','e','y','R')
- {-- ICM specific messages ----------------------------------------------------}
- ICM_COMPRESS_GET_FORMAT = (ICM_USER+4) ; // get compress format or size
- ICM_COMPRESS_GET_SIZE = (ICM_USER+5) ; // get output size
- ICM_COMPRESS_QUERY = (ICM_USER+6) ; // query support for compress
- ICM_COMPRESS_BEGIN = (ICM_USER+7) ; // begin a series of compress calls.
- ICM_COMPRESS = (ICM_USER+8) ; // compress a frame
- ICM_COMPRESS_END = (ICM_USER+9) ; // end of a series of compress calls.
- ICM_DECOMPRESS_GET_FORMAT = (ICM_USER+10) ; // get decompress format or size
- ICM_DECOMPRESS_QUERY = (ICM_USER+11) ; // query support for dempress
- ICM_DECOMPRESS_BEGIN = (ICM_USER+12) ; // start a series of decompress calls
- ICM_DECOMPRESS = (ICM_USER+13) ; // decompress a frame
- ICM_DECOMPRESS_END = (ICM_USER+14) ; // end a series of decompress calls
- ICM_DECOMPRESS_SET_PALETTE = (ICM_USER+29) ; // fill in the DIB color table
- ICM_DECOMPRESS_GET_PALETTE = (ICM_USER+30) ; // fill in the DIB color table
- ICM_DRAW_QUERY = (ICM_USER+31) ; // query support for dempress
- ICM_DRAW_BEGIN = (ICM_USER+15) ; // start a series of draw calls
- ICM_DRAW_GET_PALETTE = (ICM_USER+16) ; // get the palette needed for drawing
- ICM_DRAW_START = (ICM_USER+18) ; // start decompress clock
- ICM_DRAW_STOP = (ICM_USER+19) ; // stop decompress clock
- ICM_DRAW_END = (ICM_USER+21) ; // end a series of draw calls
- ICM_DRAW_GETTIME = (ICM_USER+32) ; // get value of decompress clock
- ICM_DRAW = (ICM_USER+33) ; // generalized "render" message
- ICM_DRAW_WINDOW = (ICM_USER+34) ; // drawing window has moved or hidden
- ICM_DRAW_SETTIME = (ICM_USER+35) ; // set correct value for decompress clock
- ICM_DRAW_REALIZE = (ICM_USER+36) ; // realize palette for drawing
- ICM_DRAW_FLUSH = (ICM_USER+37) ; // clear out buffered frames
- ICM_DRAW_RENDERBUFFER = (ICM_USER+38) ; // draw undrawn things in queue
- ICM_DRAW_START_PLAY = (ICM_USER+39) ; // start of a play
- ICM_DRAW_STOP_PLAY = (ICM_USER+40) ; // end of a play
- ICM_DRAW_SUGGESTFORMAT = (ICM_USER+50) ; // Like ICGetDisplayFormat
- ICM_DRAW_CHANGEPALETTE = (ICM_USER+51) ; // for animating palette
- ICM_GETBUFFERSWANTED = (ICM_USER+41) ; // ask about prebuffering
- ICM_GETDEFAULTKEYFRAMERATE = (ICM_USER+42) ; // get the default value for key frames
- ICM_DECOMPRESSEX_BEGIN = (ICM_USER+60) ; // start a series of decompress calls
- ICM_DECOMPRESSEX_QUERY = (ICM_USER+61) ; // start a series of decompress calls
- ICM_DECOMPRESSEX = (ICM_USER+62) ; // decompress a frame
- ICM_DECOMPRESSEX_END = (ICM_USER+63) ; // end a series of decompress calls
- ICM_COMPRESS_FRAMES_INFO = (ICM_USER+70) ; // tell about compress to come
- ICM_SET_STATUS_PROC = (ICM_USER+72) ; // set status callback
- {-----------------------------------------------------------------------------}
- type
- PICOPEN = ^TICOPEN;
- TICOPEN = record
- dwSize : DWORD ; // sizeof(TICOPEN)
- fccType : DWORD ; // 'vidc'
- fccHandler : DWORD ; //
- dwVersion : DWORD ; // version of compman opening you
- dwFlags : DWORD ; // LOWORD is type specific
- dwError : DWORD ; // error return.
- pV1Reserved : Pointer ; // Reserved
- pV2Reserved : Pointer ; // Reserved
- dnDevNode : DWORD ; // Devnode for PnP devices
- end;
- {-----------------------------------------------------------------------------}
- PICINFO = ^TICINFO ;
- TICINFO = record
- dwSize : DWORD; // sizeof(TICINFO)
- fccType : DWORD; // compressor type 'vidc' 'audc'
- fccHandler : DWORD; // compressor sub-type 'rle ' 'jpeg' 'pcm '
- dwFlags : DWORD; // flags LOWORD is type specific
- dwVersion : DWORD; // version of the driver
- dwVersionICM : DWORD; // version of the ICM used
- //
- // under Win32, the driver always returns UNICODE strings.
- //
- szName : array[0..15] of WideChar ; // short name
- szDescription : array[0..127] of WideChar ; // DWORD name
- szDriver : array[0..127] of WideChar ; // driver that contains compressor
- end;
- {-- Flags for the <dwFlags> field of the <ICINFO> structure. -----------------}
- const
- VIDCF_QUALITY = $0001 ; // supports quality
- VIDCF_CRUNCH = $0002 ; // supports crunching to a frame size
- VIDCF_TEMPORAL = $0004 ; // supports inter-frame compress
- VIDCF_COMPRESSFRAMES = $0008 ; // wants the compress all frames message
- VIDCF_DRAW = $0010 ; // supports drawing
- VIDCF_FASTTEMPORALC = $0020 ; // does not need prev frame on compress
- VIDCF_FASTTEMPORALD = $0080 ; // does not need prev frame on decompress
- //VIDCF_QUALITYTIME = $0040 ; // supports temporal quality
- //VIDCF_FASTTEMPORAL = (VIDCF_FASTTEMPORALC or VIDCF_FASTTEMPORALD)
- {-----------------------------------------------------------------------------}
- ICCOMPRESS_KEYFRAME = $00000001;
- type
- PICCOMPRESS = ^TICCOMPRESS;
- TICCOMPRESS = record
- dwFlags : DWORD; // flags
- lpbiOutput : PBITMAPINFOHEADER ; // output format
- lpOutput : Pointer ; // output data
- lpbiInput : PBITMAPINFOHEADER ; // format of frame to compress
- lpInput : Pointer ; // frame data to compress
- lpckid : PDWORD ; // ckid for data in AVI file
- lpdwFlags : PDWORD; // flags in the AVI index.
- lFrameNum : DWORD ; // frame number of seq.
- dwFrameSize : DWORD ; // reqested size in bytes. (if non zero)
- dwQuality : DWORD ; // quality
- // these are new fields
- lpbiPrev : PBITMAPINFOHEADER ; // format of previous frame
- lpPrev : Pointer ; // previous frame
- end;
- {-----------------------------------------------------------------------------}
- const
- ICCOMPRESSFRAMES_PADDING = $00000001 ;
- type
- TICCompressProc = function(lInput: LPARAM; lFrame: DWORD; lpBits: Pointer; len: DWORD): DWORD; stdcall;
- PICCOMPRESSFRAMES = ^TICCOMPRESSFRAMES;
- TICCOMPRESSFRAMES = record
- dwFlags : DWORD ; // flags
- lpbiOutput : PBITMAPINFOHEADER ; // output format
- lOutput : LPARAM ; // output identifier
- lpbiInput : PBITMAPINFOHEADER ; // format of frame to compress
- lInput : LPARAM ; // input identifier
- lStartFrame : DWORD ; // start frame
- lFrameCount : DWORD ; // # of frames
- lQuality : DWORD ; // quality
- lDataRate : DWORD ; // data rate
- lKeyRate : DWORD ; // key frame rate
- dwRate : DWORD ; // frame rate, as always
- dwScale : DWORD ;
- dwOverheadPerFrame : DWORD ;
- dwReserved2 : DWORD ;
- GetData : TICCompressProc;
- PutData : TICCompressProc;
- end;
- {-- Messages for Status callback ---------------------------------------------}
- const
- ICSTATUS_START = 0 ;
- ICSTATUS_STATUS = 1 ; // l = % done
- ICSTATUS_END = 2 ;
- ICSTATUS_ERROR = 3 ; // l = error string (LPSTR)
- ICSTATUS_YIELD = 4 ;
- type
- // return nonzero means abort operation in progress
- TICStatusProc = function(lParam: LPARAM; message: UINT; l: DWORD): DWORD; stdcall;
- PICSETSTATUSPROC = ^TICSETSTATUSPROC;
- TICSETSTATUSPROC = record
- dwFlags : DWORD ;
- lParam : LPARAM ;
- Status : TICStatusProc;
- end;
- {-----------------------------------------------------------------------------}
- const
- ICDECOMPRESS_HURRYUP = $80000000 ; // don't draw just buffer (hurry up!)
- ICDECOMPRESS_UPDATE = $40000000 ; // don't draw just update screen
- ICDECOMPRESS_PREROLL = $20000000 ; // this frame is before real start
- ICDECOMPRESS_NULLFRAME = $10000000 ; // repeat last frame
- ICDECOMPRESS_NOTKEYFRAME = $08000000 ; // this frame is not a key frame
- type
- PICDECOMPRESS = ^TICDECOMPRESS;
- TICDECOMPRESS = record
- dwFlags : DWORD ; // flags (from AVI index...)
- lpbiInput : PBITMAPINFOHEADER ; // BITMAPINFO of compressed data
- // biSizeImage has the chunk size
- lpInput : Pointer ; // compressed data
- lpbiOutput : PBITMAPINFOHEADER ; // DIB to decompress to
- lpOutput : Pointer ;
- ckid : DWORD ; // ckid from AVI file
- end;
- PICDECOMPRESSEX = ^TICDECOMPRESSEX;
- TICDECOMPRESSEX = record
- //
- // same as ICM_DECOMPRESS
- //
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER; // BITMAPINFO of compressed data
- lpSrc : Pointer; // compressed data
- lpbiDst : PBITMAPINFOHEADER; // DIB to decompress to
- lpDst : Pointer; // output data
- //
- // new for ICM_DECOMPRESSEX
- //
- xDst : integer ; // destination rectangle
- yDst : integer ;
- dxDst : integer ;
- dyDst : integer ;
- xSrc : integer ; // source rectangle
- ySrc : integer ;
- dxSrc : integer ;
- dySrc : integer ;
- end;
- {-----------------------------------------------------------------------------}
- const
- ICDRAW_QUERY = $00000001 ; // test for support
- ICDRAW_FULLSCREEN = $00000002 ; // draw to full screen
- ICDRAW_HDC = $00000004 ; // draw to a HDC/HWND
- ICDRAW_ANIMATE = $00000008 ; // expect palette animation
- ICDRAW_CONTINUE = $00000010 ; // draw is a continuation of previous draw
- ICDRAW_MEMORYDC = $00000020 ; // DC is offscreen, by the way
- ICDRAW_UPDATING = $00000040 ; // We're updating, as opposed to playing
- ICDRAW_RENDER = $00000080 ; // used to render data not draw it
- ICDRAW_BUFFER = $00000100 ; // please buffer this data offscreen, we will need to update it
- type
- PICDRAWBEGIN = ^TICDRAWBEGIN;
- TICDRAWBEGIN = record
- dwFlags : DWORD ; // flags
- hpal : HPALETTE ; // palette to draw with
- hwnd : HWND ; // window to draw to
- hdc : HDC ; // HDC to draw to
- xDst : integer ; // destination rectangle
- yDst : integer ;
- dxDst : integer ;
- dyDst : integer ;
- lpbi : PBITMAPINFOHEADER ;
- // format of frame to draw
- xSrc : integer ; // source rectangle
- ySrc : integer ;
- dxSrc : integer ;
- dySrc : integer ;
- dwRate : DWORD ; // frames/second = (dwRate/dwScale)
- dwScale : DWORD ;
- end;
- {-----------------------------------------------------------------------------}
- const
- ICDRAW_HURRYUP = $80000000 ; // don't draw just buffer (hurry up!)
- ICDRAW_UPDATE = $40000000 ; // don't draw just update screen
- ICDRAW_PREROLL = $20000000 ; // this frame is before real start
- ICDRAW_NULLFRAME = $10000000 ; // repeat last frame
- ICDRAW_NOTKEYFRAME = $08000000 ; // this frame is not a key frame
- type
- PICDRAW = ^TICDRAW;
- TICDRAW = record
- dwFlags : DWORD ; // flags
- lpFormat : Pointer ; // format of frame to decompress
- lpData : Pointer ; // frame data to decompress
- cbData : DWORD ;
- lTime : DWORD ; // time in drawbegin units (see dwRate and dwScale)
- end;
- PICDRAWSUGGEST = ^TICDRAWSUGGEST;
- TICDRAWSUGGEST = record
- lpbiIn : PBITMAPINFOHEADER ; // format to be drawn
- lpbiSuggest : PBITMAPINFOHEADER ; // location for suggested format (or NULL to get size)
- dxSrc : integer ; // source extent or 0
- dySrc : integer ;
- dxDst : integer ; // dest extent or 0
- dyDst : integer ;
- hicDecompressor : HIC ; // decompressor you can talk to
- end;
- {-----------------------------------------------------------------------------}
- PICPALETTE = ^TICPALETTE;
- TICPALETTE = record
- dwFlags : DWORD ; // flags (from AVI index...)
- iStart : integer ; // first palette to change
- iLen : integer ; // count of entries to change.
- lppe : PPALETTEENTRY ; // palette
- end;
- {-- ICM function declarations ------------------------------------------------}
- function ICInfo(fccType, fccHandler: DWORD; lpicinfo: PICINFO) : BOOL ; stdcall ;
- function ICInstall(fccType, fccHandler: DWORD; lParam: LPARAM; szDesc: LPSTR; wFlags: UINT) : BOOL ; stdcall ;
- function ICRemove(fccType, fccHandler: DWORD; wFlags: UINT) : BOOL ; stdcall ;
- function ICGetInfo(hic: HIC; picinfo: PICINFO; cb: DWORD) : DWORD ; stdcall ;
- function ICOpen(fccType, fccHandler: DWORD; wMode: UINT) : HIC ; stdcall ;
- function ICOpenFunction(fccType, fccHandler: DWORD; wMode: UINT; lpfnHandler: TFarProc) : HIC ; stdcall ;
- function ICClose(hic: HIC) : DWORD; stdcall ;
- function ICSendMessage(hic: HIC; msg: UINT; dw1, dw2: integer) : DWORD ; stdcall ;
- {-- Values for wFlags of ICInstall -------------------------------------------}
- const
- ICINSTALL_UNICODE = $8000 ;
- ICINSTALL_FUNCTION = $0001 ; // lParam is a DriverProc (function ptr)
- ICINSTALL_DRIVER = $0002 ; // lParam is a driver name (string)
- ICINSTALL_HDRV = $0004 ; // lParam is a HDRVR (driver handle)
- ICINSTALL_DRIVERW = $8002 ; // lParam is a unicode driver name
- {-- Query macros -------------------------------------------------------------}
- ICMF_CONFIGURE_QUERY = $00000001 ;
- ICMF_ABOUT_QUERY = $00000001 ;
- function ICQueryAbout(hic: HIC): BOOL;
- function ICAbout(hic: HIC; hwnd: HWND): DWORD;
- function ICQueryConfigure(hic: HIC): BOOL;
- function ICConfigure(hic: HIC; hwnd: HWND): DWORD;
- {-- Get/Set state macros -----------------------------------------------------}
- function ICGetState(hic: HIC; pv: Pointer; cb: DWORD): DWORD;
- function ICSetState(hic: HIC; pv: Pointer; cb: DWORD): DWORD;
- function ICGetStateSize(hic: HIC): DWORD;
- {-- Get value macros ---------------------------------------------------------}
- function ICGetDefaultQuality(hic: HIC): DWORD;
- function ICGetDefaultKeyFrameRate(hic: HIC): DWORD;
- {-- Draw window macro --------------------------------------------------------}
- function ICDrawWindow(hic: HIC; prc: PRECT): DWORD;
- {== Compression functions ====================================================}
- {-- ICCompress() - compress a single frame -----------------------------------}
- function ICCompress(
- hic : HIC;
- dwFlags : DWORD; // flags
- lpbiOutput : PBITMAPINFOHEADER; // output format
- lpData : Pointer; // output data
- lpbiInput : PBITMAPINFOHEADER; // format of frame to compress
- lpBits : Pointer; // frame data to compress
- lpckid : PDWORD; // ckid for data in AVI file
- lpdwFlags : PDWORD; // flags in the AVI index.
- lFrameNum : DWORD; // frame number of seq.
- dwFrameSize : DWORD; // reqested size in bytes. (if non zero)
- dwQuality : DWORD; // quality within one frame
- lpbiPrev : PBITMAPINFOHEADER; // format of previous frame
- lpPrev : Pointer // previous frame
- ) : DWORD; cdecl;
- {-- ICCompressBegin() - start compression from a source fmt to a dest fmt ----}
- function ICCompressBegin(hic: HIC; lpbiInput: PBITMAPINFOHEADER; lpbiOutput: PBITMAPINFOHEADER): DWORD;
- {-- ICCompressQuery() - determines if compression from src to dst is supp ----}
- function ICCompressQuery(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- {-- ICCompressGetFormat() - get the output format (fmt of compressed) --------}
- // if lpbiOutput is nil return the size in bytes needed for format.
- function ICCompressGetFormat(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- function ICCompressGetFormatSize(hic: HIC; lpbi: PBITMAPINFOHEADER): DWORD;
- {-- ICCompressSize() - return the maximal size of a compressed frame ---------}
- function ICCompressGetSize(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- function ICCompressEnd(hic: HIC): DWORD;
- {== Decompression functions ==================================================}
- {-- ICDecompress() - decompress a single frame -------------------------------}
- function ICDecompress(
- hic : HIC;
- dwFlags : DWORD; // flags (from AVI index...)
- lpbiFormat : PBITMAPINFOHEADER; // BITMAPINFO of compressed data
- // biSizeImage has the chunk size
- lpData : Pointer; // data
- lpbi : PBITMAPINFOHEADER; // DIB to decompress to
- lpBits : Pointer
- ): DWORD; cdecl;
- {-- ICDecompressBegin() - start compression from src fmt to a dest fmt -------}
- function ICDecompressBegin(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- {-- ICDecompressQuery() - determines if compression is supported -------------}
- function ICDecompressQuery(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- {-- ICDecompressGetFormat - get the output fmt (fmt of uncompressed data) ----}
- // if lpbiOutput is NULL return the size in bytes needed for format.
- function ICDecompressGetFormat(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- function ICDecompressGetFormatSize(hic: HIC; lpbi: PBITMAPINFOHEADER): DWORD;
- {-- ICDecompressGetPalette() - get the output palette ------------------------}
- function ICDecompressGetPalette(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- function ICDecompressSetPalette(hic: HIC; lpbiPalette: PBITMAPINFOHEADER): DWORD;
- function ICDecompressEnd(hic: HIC): DWORD;
- {== Decompression(ex) functions ==============================================}
- //
- // on Win16 these functions are macros that call ICMessage. ICMessage will
- // not work on NT. rather than add new entrypoints we have given
- // them as static inline functions
- //
- {-- ICDecompressEx() - decompress a single frame -----------------------------}
- function ICDecompressEx(
- hic : HIC;
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER;
- lpSrc : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- lpbiDst : PBITMAPINFOHEADER;
- lpDst : Pointer;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer
- ): DWORD; stdcall;
- {-- ICDecompressExBegin() - start compression from a src fmt to a dest fmt ---}
- function ICDecompressExBegin(
- hic : HIC;
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER;
- lpSrc : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- lpbiDst : PBITMAPINFOHEADER;
- lpDst : Pointer;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer
- ): DWORD; stdcall;
- {-- ICDecompressExQuery() ----------------------------------------------------}
- function ICDecompressExQuery(
- hic : HIC;
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER;
- lpSrc : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- lpbiDst : PBITMAPINFOHEADER;
- lpDst : Pointer;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer
- ): DWORD; stdcall;
- function ICDecompressExEnd(hic: HIC): DWORD;
- {== Drawing functions ========================================================}
- {-- ICDrawBegin() - start decompressing data with fmt directly to screen -----}
- // return zero if the decompressor supports drawing.
- function ICDrawBegin(
- hic : HIC;
- dwFlags : DWORD; // flags
- hpal : HPALETTE; // palette to draw with
- hwnd : HWND; // window to draw to
- hdc : HDC; // HDC to draw to
- xDst : integer; // destination rectangle
- yDst : integer;
- dxDst : integer;
- dyDst : integer;
- lpbi : PBITMAPINFOHEADER; // format of frame to draw
- xSrc : integer; // source rectangle
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- dwRate : DWORD; // frames/second = (dwRate/dwScale)
- dwScale : DWORD
- ): DWORD; cdecl;
- {-- ICDraw() - decompress data directly to the screen ------------------------}
- function ICDraw(
- hic : HIC;
- dwFlags : DWORD; // flags
- lpFormat : Pointer; // format of frame to decompress
- lpData : Pointer; // frame data to decompress
- cbData : DWORD; // size of data
- lTime : DWORD // time to draw this frame
- ): DWORD; cdecl;
- // ICMessage is not supported on Win32, so provide a static inline function
- // to do the same job
- function ICDrawSuggestFormat(
- hic : HIC;
- lpbiIn : PBITMAPINFOHEADER;
- lpbiOut : PBITMAPINFOHEADER;
- dxSrc : integer;
- dySrc : integer;
- dxDst : integer;
- dyDst : integer;
- hicDecomp : HIC
- ): DWORD; stdcall;
- {-- ICDrawQuery() - determines if the compressor is willing to render fmt ----}
- function ICDrawQuery(hic: HIC; lpbiInput: PBITMAPINFOHEADER): DWORD;
- function ICDrawChangePalette(hic: HIC; lpbiInput: PBITMAPINFOHEADER): DWORD;
- function ICGetBuffersWanted(hic: HIC; lpdwBuffers: PDWORD): DWORD;
- function ICDrawEnd(hic: HIC): DWORD;
- function ICDrawStart(hic: HIC): DWORD;
- function ICDrawStartPlay(hic: HIC; lFrom, lTo: DWORD): DWORD;
- function ICDrawStop(hic: HIC): DWORD;
- function ICDrawStopPlay(hic: HIC): DWORD;
- function ICDrawGetTime(hic: HIC; lplTime: PDWORD): DWORD;
- function ICDrawSetTime(hic: HIC; lTime: DWORD): DWORD;
- function ICDrawRealize(hic: HIC; hdc: HDC; fBackground: BOOL): DWORD;
- function ICDrawFlush(hic: HIC): DWORD;
- function ICDrawRenderBuffer(hic: HIC): DWORD;
- {== Status callback functions ================================================}
- {-- ICSetStatusProc() - Set the status callback function ---------------------}
- // ICMessage is not supported on NT
- function ICSetStatusProc(
- hic : HIC;
- dwFlags : DWORD;
- lParam : DWORD;
- fpfnStatus : TICStatusProc
- ): DWORD; stdcall;
- {== Helper routines for DrawDib and MCIAVI... ================================}
- function ICLocate(fccType, fccHandler: DWORD; lpbiIn, lpbiOut: PBITMAPINFOHEADER; wFlags: WORD): HIC; stdcall;
- function ICGetDisplayFormat(hic: HIC; lpbiIn, lpbiOut: PBITMAPINFOHEADER; BitDepth: integer; dx, dy: integer): HIC; stdcall;
- function ICDecompressOpen(fccType, fccHandler: DWORD; lpbiIn, lpbiOut: PBITMAPINFOHEADER): HIC;
- function ICDrawOpen(fccType, fccHandler: DWORD; lpbiIn: PBITMAPINFOHEADER): HIC;
- {== Higher level functions ===================================================}
- function ICImageCompress(
- hic : HIC; // compressor to use
- uiFlags : UINT; // flags (none yet)
- lpbiIn : PBITMAPINFO; // format to compress from
- lpBits : Pointer; // data to compress
- lpbiOut : PBITMAPINFO; // compress to this (NULL ==> default)
- lQuality : DWORD; // quality to use
- plSize : PDWORD // compress to this size (0=whatever)
- ): THANDLE; stdcall;
- function ICImageDecompress(
- hic : HIC; // compressor to use
- uiFlags : UINT; // flags (none yet)
- lpbiIn : PBITMAPINFO; // format to decompress from
- lpBits : Pointer; // data to decompress
- lpbiOut : PBITMAPINFO // decompress to this (NULL ==> default)
- ): THANDLE; stdcall;
- {-- TCompVars ----------------------------------------------------------------}
-
- //
- // Structure used by ICSeqCompressFrame and ICCompressorChoose routines
- // Make sure this matches the autodoc in icm.c!
- //
- type
- PCOMPVARS = ^TCOMPVARS;
- TCOMPVARS = record
- cbSize : DWORD; // set to sizeof(COMPVARS) before
- // calling ICCompressorChoose
- dwFlags : DWORD; // see below...
- hic : HIC; // HIC of chosen compressor
- fccType : DWORD; // basically ICTYPE_VIDEO
- fccHandler : DWORD; // handler of chosen compressor or
- // "" or "DIB "
- lpbiIn : PBITMAPINFO; // input format
- lpbiOut : PBITMAPINFO; // output format - will compress to this
- lpBitsOut : Pointer;
- lpBitsPrev : Pointer;
- lFrame : DWORD;
- lKey : DWORD; // key frames how often?
- lDataRate : DWORD; // desired data rate KB/Sec
- lQ : DWORD; // desired quality
- lKeyCount : DWORD;
- lpState : Pointer; // state of compressor
- cbState : DWORD; // size of the state
- end;
- // FLAGS for dwFlags element of COMPVARS structure:
- // set this flag if you initialize COMPVARS before calling ICCompressorChoose
- const
- ICMF_COMPVARS_VALID = $00000001; // COMPVARS contains valid data
- {-- ICCompressorChoose() - allows user to choose compressor, quality etc... --}
- function ICCompressorChoose(
- hwnd : HWND; // parent window for dialog
- uiFlags : UINT; // flags
- pvIn : Pointer; // input format (optional)
- lpData : Pointer; // input data (optional)
- pc : PCOMPVARS; // data about the compressor/dlg
- lpszTitle : LPSTR // dialog title (optional)
- ): BOOL; stdcall;
- // defines for uiFlags
- const
- ICMF_CHOOSE_KEYFRAME = $0001; // show KeyFrame Every box
- ICMF_CHOOSE_DATARATE = $0002; // show DataRate box
- ICMF_CHOOSE_PREVIEW = $0004; // allow expanded preview dialog
- ICMF_CHOOSE_ALLCOMPRESSORS = $0008; // don't only show those that
- // can handle the input format
- // or input data
- function ICSeqCompressFrameStart(pc: PCOMPVARS; lpbiIn: PBITMAPINFO): BOOL; stdcall;
- procedure ICSeqCompressFrameEnd(pc: PCOMPVARS); stdcall;
- function ICSeqCompressFrame(
- pc : PCOMPVARS; // set by ICCompressorChoose
- uiFlags : UINT; // flags
- lpBits : Pointer; // input DIB bits
- pfKey : PBOOL; // did it end up being a key frame?
- plSize : PDWORD // size to compress to/of returned image
- ): Pointer; stdcall;
- procedure ICCompressorFree(pc: PCOMPVARS); stdcall;
- implementation
- // Dlls
- const
- AVICAP32 = 'AVICAP32.dll';
- VFWDLL = 'MSVFW32.DLL';
- (* Externals from AVICAP.DLL *)
- function capGetDriverDescription; external AVICAP32 name 'capGetDriverDescriptionA';
- function capCreateCaptureWindow; external AVICAP32 name 'capCreateCaptureWindowA';
- (* Message crackers for above *)
- function capSetCallbackOnError(hwnd : THandle; fpProc:TCAPERRORCALLBACK) : LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_ERROR, 0,LPARAM(@fpProc));
- end;
- function capSetCallbackOnStatus(hwnd : THandle; fpProc:TCAPSTATUSCALLBACK):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_STATUS, 0, LPARAM(@fpProc));
- end;
- function capSetCallbackOnYield (hwnd : THandle; fpProc:TCAPYIELDCALLBACK):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_YIELD, 0, LPARAM(@fpProc));
- end;
- function capSetCallbackOnFrame (hwnd : THandle; fpProc:TCAPVIDEOSTREAMCALLBACK):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_FRAME, 0,LPARAM( @fpProc));
- end;
- function capSetCallbackOnVideoStream(hwnd:THandle; fpProc:TCAPVIDEOSTREAMCALLBACK):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_VIDEOSTREAM, 0, LPARAM(@fpProc));
- end;
- function capSetCallbackOnWaveStream (hwnd:THandle; fpProc:TCAPWAVESTREAMCALLBACK):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_WAVESTREAM, 0, LPARAM(@fpProc));
- end;
- function capSetCallbackOnCapControl (hwnd:THandle; fpProc:TCAPCONTROLCALLBACK):longint;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_CALLBACK_CAPCONTROL, 0, LPARAM(@fpProc));
- end;
- function capSetUserData(hwnd:THandle; lUser:LongInt):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_SET_USER_DATA, 0, lUser);
- end;
- function capGetUserData(hwnd:THandle):LongInt;
- begin
- Result := SendMessage(hwnd, WM_CAP_GET_USER_DATA, 0, 0);
- end;
- function capDriverConnect(hwnd:THandle; I: Word) : boolean;
- begin
- Result :=boolean( SendMessage(hwnd, WM_CAP_DRIVER_CONNECT, WPARAM(I), 0));
- end;
- function capDriverDisconnect(hwnd:THandle):Boolean;
- begin
- Result := boolean(SendMessage(hwnd, WM_CAP_DRIVER_DISCONNECT, 0, 0));
- end;
- function capDriverGetName(hwnd:THandle; szName:PChar; wSize:Word):boolean;
- begin
- Result :=boolean( SendMessage(hwnd, WM_CAP_DRIVER_GET_NAME, WPARAM(wSize), LPARAM( szName)));
- end;
- function capDriverGetVersion(hwnd:THandle; szVer:PChar; wSize:Word):boolean;
- begin
- Result :=boolean( SendMessage(hwnd, WM_CAP_DRIVER_GET_VERSION, WPARAM(wSize),LPARAM( szVer)));
- end;
- function capDriverGetCaps(hwnd:THandle; s:pCapDriverCaps; wSize:Word):boolean;
- begin
- Result := boolean(SendMessage(hwnd, WM_CAP_DRIVER_GET_CAPS, WPARAM(wSize),LPARAM(s)));
- end;
- function capFileSetCaptureFile(hwnd:THandle; szName:PChar):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_FILE_SET_CAPTURE_FILE, 0, LPARAM(szName)));
- end;
- function capFileGetCaptureFile(hwnd:THandle; szName:PChar; wSize:Word):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_FILE_GET_CAPTURE_FILE, wSize, LPARAM(szName)));
- end;
- function capFileAlloc(hwnd:THandle; dwSize:DWord):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_FILE_ALLOCATE, 0, LPARAM(dwSize)));
- end;
- function capFileSaveAs(hwnd:THandle; szName:Pchar):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_FILE_SAVEAS, 0,LPARAM(szName)));
- end;
- function capFileSetInfoChunk(hwnd:THandle; lpInfoChunk:pCapInfoChunk):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_FILE_SET_INFOCHUNK, 0, LPARAM(lpInfoChunk)));
- end;
- function capFileSaveDIB(hwnd:THandle; szName:Pchar):Boolean;
- begin
- Result :=Boolean(SendMessage(hwnd, WM_CAP_FILE_SAVEDIB, 0,LPARAM(szName)));
- end;
- function capEditCopy(hwnd : THandle):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_EDIT_COPY, 0, 0));
- end;
- function capSetAudioFormat(hwnd:THandle; s:PWaveFormatEx; wSize:Word):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_AUDIOFORMAT, WPARAM(wSize),LPARAM(s)));
- end;
- function capGetAudioFormat(hwnd:THandle; s:PWaveFormatEx; wSize:Word):DWORD;
- begin
- Result :=DWORD( SendMessage(hwnd, WM_CAP_GET_AUDIOFORMAT, WPARAM(wSize),LPARAM(s)));
- end;
- function capGetAudioFormatSize(hwnd:THandle):DWORD;
- begin
- Result := DWORD(SendMessage(hwnd, WM_CAP_GET_AUDIOFORMAT, 0, 0));
- end;
- function capDlgVideoFormat(hwnd:THandle):boolean;
- begin
- Result :=boolean(SendMessage(hwnd, WM_CAP_DLG_VIDEOFORMAT, 0, 0));
- end;
- function capDlgVideoSource(hwnd:THandle):boolean;
- begin
- Result :=boolean (SendMessage(hwnd, WM_CAP_DLG_VIDEOSOURCE, 0, 0));
- end;
- function capDlgVideoDisplay(hwnd:THandle):boolean;
- begin
- Result := boolean(SendMessage(hwnd, WM_CAP_DLG_VIDEODISPLAY, 0, 0));
- end;
- function capDlgVideoCompression(hwnd:THandle):boolean;
- begin
- Result := boolean(SendMessage(hwnd, WM_CAP_DLG_VIDEOCOMPRESSION, 0, 0));
- end;
- function capGetVideoFormat(hwnd:THandle; s:pBitmapInfo; wSize:Word):DWord;
- begin
- Result := DWord(SendMessage(hwnd, WM_CAP_GET_VIDEOFORMAT, Wparam(wSize), LPARAM(s)));
- end;
- function capGetVideoFormatSize(hwnd:THandle):DWord;
- begin
- Result := DWord(SendMessage(hwnd, WM_CAP_GET_VIDEOFORMAT, 0, 0));
- end;
- function capSetVideoFormat(hwnd:THandle; s:PBitmapInfo; wSize:Word):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_VIDEOFORMAT, WPARAM(wSize), LPARAM(s)));
- end;
- function capPreview(hwnd:THandle; f:boolean):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_PREVIEW, WPARAM(f), 0));
- end;
- function capPreviewRate(hwnd:THandle; wMS:Word):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_PREVIEWRATE, WPARAM(wMS), 0));
- end;
- function capOverlay(hwnd:THandle; f:boolean):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_OVERLAY, WPARAM(f), 0));
- end;
- function capPreviewScale(hwnd:THandle; f:boolean):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_SCALE,WPARAM(f), 0));
- end;
- function capGetStatus(hwnd:THandle; s:PCapStatus; wSize:Word):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_GET_STATUS, WPARAM(wSize),LPARAM(s)));
- end;
- function capSetScrollPos(hwnd:THandle; lpP:pPoint):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SET_SCROLL, 0, LParam(lpP)));
- end;
- function capGrabFrame(hwnd:THandle):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_GRAB_FRAME, 0, 0));
- end;
- function capGrabFrameNoStop(hwnd:THandle):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_GRAB_FRAME_NOSTOP, 0, 0));
- end;
- function capCaptureSequence(hwnd:THandle):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SEQUENCE, 0, 0));
- end;
- function capCaptureSequenceNoFile(hwnd:THandle):boolean;
- begin
- Result :=Boolean(SendMessage(hwnd, WM_CAP_SEQUENCE_NOFILE, 0, 0));
- end;
- function capCaptureStop(hwnd:THandle):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_STOP, 0, 0));
- end;
- function capCaptureAbort(hwnd:THandle):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_ABORT, 0, 0));
- end;
- function capCaptureSingleFrameOpen(hwnd:THandle):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SINGLE_FRAME_OPEN, 0, 0));
- end;
- function capCaptureSingleFrameClose(hwnd:THandle):boolean ;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_SINGLE_FRAME_CLOSE, 0, 0));
- end;
- function capCaptureSingleFrame(hwnd:THandle):boolean;
- begin
- Result :=Boolean(SendMessage(hwnd, WM_CAP_SINGLE_FRAME, 0, 0));
- end;
- function capCaptureGetSetup(hwnd:THandle; s:pCaptureParms; wSize:Word):boolean;
- begin
- Result :=Boolean( SendMessage(hwnd, WM_CAP_GET_SEQUENCE_SETUP, WPARAM(wSize),LPARAM(s)));
- end;
- function capCaptureSetSetup(hwnd:THandle; s:pCaptureParms; wSize:Word):boolean;
- begin
- Result := Boolean (SendMessage(hwnd, WM_CAP_SET_SEQUENCE_SETUP, WParam(wSize),LParam(s)));
- end;
- function capSetMCIDeviceName(hwnd:THandle; szName:Pchar):Boolean;
- begin
- Result :=Boolean( SendMessage(hwnd, WM_CAP_SET_MCI_DEVICE, 0, LParam(szName)));
- end;
- function capGetMCIDeviceName(hwnd:THandle; szName:Pchar; wSize:Word):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_GET_MCI_DEVICE, Wparam(wSize), LPARAM(szName)));
- end;
- function capPaletteOpen(hwnd:THandle; szName:PChar):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_PAL_OPEN, 0, LParam(szName)));
- end;
- function capPaletteSave(hwnd:THandle; szName:PChar):boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_PAL_SAVE, 0,LParam(szName)));
- end;
- function capPalettePaste(hwnd:THandle):Boolean;
- begin
- Result :=Boolean( SendMessage(hwnd, WM_CAP_PAL_PASTE, 0, 0));
- end;
- function capPaletteAuto(hwnd:THandle; iFrames:Word; iColors:word):Boolean;
- begin
- Result :=Boolean( SendMessage(hwnd, WM_CAP_PAL_AUTOCREATE, WPARAM(iFrames),LPARAM(iColors)));
- end;
- function capPaletteManual(hwnd:THandle; fGrab:Word; iColors:word):Boolean;
- begin
- Result := Boolean(SendMessage(hwnd, WM_CAP_PAL_MANUALCREATE, WPARAM(fGrab),LPARAM(iColors)));
- end;
- {== DrawDib functions ========================================================}
- {-- DrawDibOpen() ------------------------------------------------------------}
- function DrawDibOpen: HDRAWDIB; stdcall; external VFWDLL;
- {-- DrawDibClose() -----------------------------------------------------------}
- function DrawDibClose(hdd: HDRAWDIB): BOOL; stdcall; external VFWDLL;
- {-- DrawDibGetBuffer() -------------------------------------------------------}
- function DrawDibGetBuffer(hdd: HDRAWDIB; lpbi: PBITMAPINFOHEADER; dwSize: DWORD; dwFlags: DWORD): Pointer; stdcall; external VFWDLL;
- {-- DrawDibGetPalette() - get the palette used for drawing DIBs --------------}
- function DrawDibGetPalette(hdd: HDRAWDIB): HPALETTE; stdcall; external VFWDLL;
- {-- DrawDibSetPalette() - set the palette used for drawing DIBs --------------}
- function DrawDibSetPalette(hdd: HDRAWDIB; hpal: HPALETTE): BOOL; stdcall; external VFWDLL;
- {-- DrawDibChangePalette() ---------------------------------------------------}
- function DrawDibChangePalette(hdd: HDRAWDIB; iStart, iLen: integer; lppe: PPALETTEENTRY): BOOL; stdcall; external VFWDLL;
- {-- DrawDibRealize() - realize the palette in a HDD --------------------------}
- function DrawDibRealize(hdd: HDRAWDIB; hdc: HDC; fBackground: BOOL): UINT; stdcall; external VFWDLL;
- {-- DrawDibStart() - start of streaming playback -----------------------------}
- function DrawDibStart(hdd: HDRAWDIB; rate: DWORD): BOOL; stdcall; external VFWDLL;
- {-- DrawDibStop() - start of streaming playback ------------------------------}
- function DrawDibStop(hdd: HDRAWDIB): BOOL; stdcall; external VFWDLL;
- {-- DrawDibBegin() - prepare to draw -----------------------------------------}
- function DrawDibBegin(
- hdd : HDRAWDIB;
- hdc : HDC;
- dxDst : integer;
- dyDst : integer;
- lpbi : PBITMAPINFOHEADER;
- dxSrc : integer;
- dySrc : integer;
- wFlags : UINT
- ): BOOL; stdcall; external VFWDLL;
- {-- DrawDibDraw() - actually draw a DIB to the screen ------------------------}
- function DrawDibDraw(
- hdd : HDRAWDIB;
- hdc : HDC;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer;
- lpbi : PBITMAPINFOHEADER;
- lpBits : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- wFlags : UINT
- ): BOOL; stdcall; external VFWDLL;
- {-- DrawDibEnd() -------------------------------------------------------------}
- function DrawDibEnd(hdd: HDRAWDIB): BOOL; stdcall; external VFWDLL;
- {-- DrawDibTime() - for debugging purposes only ------------------------------}
- function DrawDibTime(hdd: HDRAWDIB; lpddtime: PDRAWDIBTIME): BOOL; stdcall; external VFWDLL;
- {-- Display profiling --------------------------------------------------------}
- function DrawDibProfileDisplay(lpbi: PBITMAPINFOHEADER): DWORD; stdcall; external VFWDLL;
- // Installable Compression Manager
- function MKFOURCC( ch0, ch1, ch2, ch3: Char ): FOURCC;
- begin
- Result := (DWord(Ord(ch0))) or
- (DWord(Ord(ch1)) shl 8) or
- (DWord(Ord(ch2)) shl 16) or
- (DWord(Ord(ch3)) shl 24);
- end;
- function mmioFOURCC( ch0, ch1, ch2, ch3: Char ): FOURCC;
- begin
- Result := MKFOURCC(ch0,ch1,ch2,ch3);
- end;
- function aviTWOCC(ch0, ch1: Char): TWOCC;
- begin
- Result := (Word(Ord(ch0))) or
- (Word(Ord(ch1)) shl 8);
- end;
- {-- Query macros -------------------------------------------------------------}
- function ICQueryAbout(hic: HIC): BOOL;
- begin
- Result := ICSendMessage(hic, ICM_ABOUT, -1, ICMF_ABOUT_QUERY) = ICERR_OK;
- end;
- function ICAbout(hic: HIC; hwnd: HWND): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_ABOUT, hwnd, 0);
- end;
- function ICQueryConfigure(hic: HIC): BOOL;
- begin
- Result := ICSendMessage(hic, ICM_CONFIGURE, -1, ICMF_CONFIGURE_QUERY) = ICERR_OK;
- end;
- function ICConfigure(hic: HIC; hwnd: HWND): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_CONFIGURE, hwnd, 0);
- end;
- {-- Get/Set state macros -----------------------------------------------------}
- function ICGetState(hic: HIC; pv: Pointer; cb: DWORD): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_GETSTATE, DWORD(pv), cb);
- end;
- function ICSetState(hic: HIC; pv: Pointer; cb: DWORD): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_SETSTATE, DWORD(pv), cb);
- end;
- function ICGetStateSize(hic: HIC): DWORD;
- begin
- Result := ICGetState(hic, nil, 0);
- end;
- {-- Get value macros ---------------------------------------------------------}
- function ICGetDefaultQuality(hic: HIC): DWORD;
- begin
- ICSendMessage(hic, ICM_GETDEFAULTQUALITY, DWORD(@Result), sizeof(Result));
- end;
- function ICGetDefaultKeyFrameRate(hic: HIC): DWORD;
- begin
- ICSendMessage(hic, ICM_GETDEFAULTKEYFRAMERATE, DWORD(@Result), sizeof(Result));
- end;
- {-- Draw window macro --------------------------------------------------------}
- function ICDrawWindow(hic: HIC; prc: PRECT): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_WINDOW, DWORD(prc), sizeof(prc^));
- end;
- {-- ICCompressBegin() - start compression from a source fmt to a dest fmt ----}
- function ICCompressBegin(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_COMPRESS_BEGIN, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- {-- ICCompressQuery() - determines if compression from src to dst is supp ----}
- function ICCompressQuery(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_COMPRESS_QUERY, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- {-- ICCompressGetFormat() - get the output format (fmt of compressed) --------}
- // if lpbiOutput is nil return the size in bytes needed for format.
- function ICCompressGetFormat(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_COMPRESS_GET_FORMAT, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- function ICCompressGetFormatSize(hic: HIC; lpbi: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICCompressGetFormat(hic, lpbi, nil);
- end;
- {-- ICCompressSize() - return the maximal size of a compressed frame ---------}
- function ICCompressGetSize(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_COMPRESS_GET_SIZE, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- function ICCompressEnd(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_COMPRESS_END, 0, 0);
- end;
- {-- ICDecompressBegin() - start compression from src fmt to a dest fmt -------}
- function ICDecompressBegin(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESS_BEGIN, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- {-- ICDecompressQuery() - determines if compression is supported -------------}
- function ICDecompressQuery(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESS_QUERY, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- {-- ICDecompressGetFormat - get the output fmt (fmt of uncompressed data) ----}
- // if lpbiOutput is NULL return the size in bytes needed for format.
- function ICDecompressGetFormat(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESS_GET_FORMAT, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- function ICDecompressGetFormatSize(hic: HIC; lpbi: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICDecompressGetFormat(hic, lpbi, nil);
- end;
- {-- ICDecompressGetPalette() - get the output palette ------------------------}
- function ICDecompressGetPalette(hic: HIC; lpbiInput, lpbiOutput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESS_GET_PALETTE, DWORD(lpbiInput), DWORD(lpbiOutput));
- end;
- function ICDecompressSetPalette(hic: HIC; lpbiPalette: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESS_SET_PALETTE, DWORD(lpbiPalette), 0);
- end;
- function ICDecompressEnd(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESS_END, 0, 0);
- end;
- {-- ICM function declarations ------------------------------------------------}
- function ICInfo(fccType, fccHandler: DWORD; lpicinfo: PICINFO) : BOOL ; stdcall ; external VFWDLL;
- function ICInstall(fccType, fccHandler: DWORD; lParam: LPARAM; szDesc: LPSTR; wFlags: UINT) : BOOL ; stdcall ; external VFWDLL;
- function ICRemove(fccType, fccHandler: DWORD; wFlags: UINT) : BOOL ; stdcall ; external VFWDLL;
- function ICGetInfo(hic: HIC; picinfo: PICINFO; cb: DWORD) : DWORD ; stdcall ; external VFWDLL;
- function ICOpen(fccType, fccHandler: DWORD; wMode: UINT) : HIC ; stdcall ; external VFWDLL;
- function ICOpenFunction(fccType, fccHandler: DWORD; wMode: UINT; lpfnHandler: TFarProc) : HIC ; stdcall ; external VFWDLL;
- function ICClose(hic: HIC) : DWORD ; stdcall ; external VFWDLL;
- function ICSendMessage(hic: HIC; msg: UINT; dw1, dw2: integer) : DWORD ; stdcall ; external VFWDLL;
- {== Compression functions ====================================================}
- {-- ICCompress() - compress a single frame -----------------------------------}
- function ICCompress(
- hic : HIC;
- dwFlags : DWORD; // flags
- lpbiOutput : PBITMAPINFOHEADER; // output format
- lpData : Pointer; // output data
- lpbiInput : PBITMAPINFOHEADER; // format of frame to compress
- lpBits : Pointer; // frame data to compress
- lpckid : PDWORD; // ckid for data in AVI file
- lpdwFlags : PDWORD; // flags in the AVI index.
- lFrameNum : DWORD; // frame number of seq.
- dwFrameSize : DWORD; // reqested size in bytes. (if non zero)
- dwQuality : DWORD; // quality within one frame
- lpbiPrev : PBITMAPINFOHEADER; // format of previous frame
- lpPrev : Pointer // previous frame
- ) : DWORD; cdecl; external VFWDLL;
- {== Decompression functions ==================================================}
- {-- ICDecompress() - decompress a single frame -------------------------------}
- function ICDecompress(
- hic : HIC;
- dwFlags : DWORD; // flags (from AVI index...)
- lpbiFormat : PBITMAPINFOHEADER; // BITMAPINFO of compressed data
- // biSizeImage has the chunk size
- lpData : Pointer; // data
- lpbi : PBITMAPINFOHEADER; // DIB to decompress to
- lpBits : Pointer
- ): DWORD; cdecl; external VFWDLL;
- {== Drawing functions ========================================================}
- {-- ICDrawBegin() - start decompressing data with fmt directly to screen -----}
- // return zero if the decompressor supports drawing.
- function ICDrawBegin(
- hic : HIC;
- dwFlags : DWORD; // flags
- hpal : HPALETTE; // palette to draw with
- hwnd : HWND; // window to draw to
- hdc : HDC; // HDC to draw to
- xDst : integer; // destination rectangle
- yDst : integer;
- dxDst : integer;
- dyDst : integer;
- lpbi : PBITMAPINFOHEADER; // format of frame to draw
- xSrc : integer; // source rectangle
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- dwRate : DWORD; // frames/second = (dwRate/dwScale)
- dwScale : DWORD
- ): DWORD; cdecl; external VFWDLL;
- {-- ICDraw() - decompress data directly to the screen ------------------------}
- function ICDraw(
- hic : HIC;
- dwFlags : DWORD; // flags
- lpFormat : Pointer; // format of frame to decompress
- lpData : Pointer; // frame data to decompress
- cbData : DWORD; // size of data
- lTime : DWORD // time to draw this frame
- ): DWORD; cdecl; external VFWDLL;
- {== Helper routines for DrawDib and MCIAVI... ================================}
- function ICLocate(fccType, fccHandler: DWORD; lpbiIn, lpbiOut: PBITMAPINFOHEADER; wFlags: WORD): HIC; stdcall; external VFWDLL;
- function ICGetDisplayFormat(hic: HIC; lpbiIn, lpbiOut: PBITMAPINFOHEADER; BitDepth: integer; dx, dy: integer): HIC; stdcall; external VFWDLL;
- {== Higher level functions ===================================================}
- function ICImageCompress(
- hic : HIC; // compressor to use
- uiFlags : UINT; // flags (none yet)
- lpbiIn : PBITMAPINFO; // format to compress from
- lpBits : Pointer; // data to compress
- lpbiOut : PBITMAPINFO; // compress to this (NULL ==> default)
- lQuality : DWORD; // quality to use
- plSize : PDWORD // compress to this size (0=whatever)
- ): THANDLE; stdcall; external VFWDLL;
- function ICImageDecompress(
- hic : HIC; // compressor to use
- uiFlags : UINT; // flags (none yet)
- lpbiIn : PBITMAPINFO; // format to decompress from
- lpBits : Pointer; // data to decompress
- lpbiOut : PBITMAPINFO // decompress to this (NULL ==> default)
- ): THANDLE; stdcall; external VFWDLL;
- {-- ICCompressorChoose() - allows user to choose compressor, quality etc... --}
- function ICCompressorChoose(
- hwnd : HWND; // parent window for dialog
- uiFlags : UINT; // flags
- pvIn : Pointer; // input format (optional)
- lpData : Pointer; // input data (optional)
- pc : PCOMPVARS; // data about the compressor/dlg
- lpszTitle : LPSTR // dialog title (optional)
- ): BOOL; stdcall; external VFWDLL;
- function ICSeqCompressFrameStart(pc: PCOMPVARS; lpbiIn: PBITMAPINFO): BOOL; stdcall; external VFWDLL;
- procedure ICSeqCompressFrameEnd(pc: PCOMPVARS); stdcall; external VFWDLL;
- function ICSeqCompressFrame(
- pc : PCOMPVARS; // set by ICCompressorChoose
- uiFlags : UINT; // flags
- lpBits : Pointer; // input DIB bits
- pfKey : PBOOL; // did it end up being a key frame?
- plSize : PDWORD // size to compress to/of returned image
- ): Pointer; stdcall; external VFWDLL;
- procedure ICCompressorFree(pc: PCOMPVARS); stdcall; external VFWDLL;
- {-- ICDecompressEx() - decompress a single frame -----------------------------}
- function ICDecompressEx(
- hic : HIC;
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER;
- lpSrc : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- lpbiDst : PBITMAPINFOHEADER;
- lpDst : Pointer;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer
- ): DWORD; stdcall;
- var
- ic : TICDECOMPRESSEX;
- begin
- ic.dwFlags := dwFlags;
- ic.lpbiSrc := lpbiSrc;
- ic.lpSrc := lpSrc;
- ic.xSrc := xSrc;
- ic.ySrc := ySrc;
- ic.dxSrc := dxSrc;
- ic.dySrc := dySrc;
- ic.lpbiDst := lpbiDst;
- ic.lpDst := lpDst;
- ic.xDst := xDst;
- ic.yDst := yDst;
- ic.dxDst := dxDst;
- ic.dyDst := dyDst;
- // note that ICM swaps round the length and pointer
- // length in lparam2, pointer in lparam1
- Result := ICSendMessage(hic, ICM_DECOMPRESSEX, DWORD(@ic), sizeof(ic));
- end;
- {-- ICDecompressExBegin() - start compression from a src fmt to a dest fmt ---}
- function ICDecompressExBegin(
- hic : HIC;
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER;
- lpSrc : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- lpbiDst : PBITMAPINFOHEADER;
- lpDst : Pointer;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer
- ): DWORD; stdcall;
- var
- ic : TICDECOMPRESSEX ;
- begin
- ic.dwFlags := dwFlags;
- ic.lpbiSrc := lpbiSrc;
- ic.lpSrc := lpSrc;
- ic.xSrc := xSrc;
- ic.ySrc := ySrc;
- ic.dxSrc := dxSrc;
- ic.dySrc := dySrc;
- ic.lpbiDst := lpbiDst;
- ic.lpDst := lpDst;
- ic.xDst := xDst;
- ic.yDst := yDst;
- ic.dxDst := dxDst;
- ic.dyDst := dyDst;
- // note that ICM swaps round the length and pointer
- // length in lparam2, pointer in lparam1
- Result := ICSendMessage(hic, ICM_DECOMPRESSEX_BEGIN, DWORD(@ic), sizeof(ic));
- end;
- {-- ICDecompressExQuery() ----------------------------------------------------}
- function ICDecompressExQuery(
- hic : HIC;
- dwFlags : DWORD;
- lpbiSrc : PBITMAPINFOHEADER;
- lpSrc : Pointer;
- xSrc : integer;
- ySrc : integer;
- dxSrc : integer;
- dySrc : integer;
- lpbiDst : PBITMAPINFOHEADER;
- lpDst : Pointer;
- xDst : integer;
- yDst : integer;
- dxDst : integer;
- dyDst : integer
- ): DWORD; stdcall;
- var
- ic : TICDECOMPRESSEX;
- begin
- ic.dwFlags := dwFlags;
- ic.lpbiSrc := lpbiSrc;
- ic.lpSrc := lpSrc;
- ic.xSrc := xSrc;
- ic.ySrc := ySrc;
- ic.dxSrc := dxSrc;
- ic.dySrc := dySrc;
- ic.lpbiDst := lpbiDst;
- ic.lpDst := lpDst;
- ic.xDst := xDst;
- ic.yDst := yDst;
- ic.dxDst := dxDst;
- ic.dyDst := dyDst;
- // note that ICM swaps round the length and pointer
- // length in lparam2, pointer in lparam1
- Result := ICSendMessage(hic, ICM_DECOMPRESSEX_QUERY, DWORD(@ic), sizeof(ic));
- end;
- function ICDecompressExEnd(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DECOMPRESSEX_END, 0, 0)
- end;
- function ICDrawSuggestFormat(
- hic : HIC;
- lpbiIn : PBITMAPINFOHEADER;
- lpbiOut : PBITMAPINFOHEADER;
- dxSrc : integer;
- dySrc : integer;
- dxDst : integer;
- dyDst : integer;
- hicDecomp : HIC
- ): DWORD; stdcall;
- var
- ic : TICDRAWSUGGEST;
- begin
- ic.lpbiIn := lpbiIn;
- ic.lpbiSuggest := lpbiOut;
- ic.dxSrc := dxSrc;
- ic.dySrc := dySrc;
- ic.dxDst := dxDst;
- ic.dyDst := dyDst;
- ic.hicDecompressor := hicDecomp;
- // note that ICM swaps round the length and pointer
- // length in lparam2, pointer in lparam1
- Result := ICSendMessage(hic, ICM_DRAW_SUGGESTFORMAT, DWORD(@ic), sizeof(ic));
- end;
- {-- ICDrawQuery() - determines if the compressor is willing to render fmt ----}
- function ICDrawQuery(hic: HIC; lpbiInput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_QUERY, DWORD(lpbiInput), 0);
- end;
- function ICDrawChangePalette(hic: HIC; lpbiInput: PBITMAPINFOHEADER): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_CHANGEPALETTE, DWORD(lpbiInput), 0);
- end;
- function ICGetBuffersWanted(hic: HIC; lpdwBuffers: PDWORD): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_GETBUFFERSWANTED, DWORD(lpdwBuffers), 0);
- end;
- function ICDrawEnd(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_END, 0, 0);
- end;
- function ICDrawStart(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_START, 0, 0);
- end;
- function ICDrawStartPlay(hic: HIC; lFrom, lTo: DWORD): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_START_PLAY, lFrom, lTo);
- end;
- function ICDrawStop(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_STOP, 0, 0);
- end;
- function ICDrawStopPlay(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_STOP_PLAY, 0, 0);
- end;
- function ICDrawGetTime(hic: HIC; lplTime: PDWORD): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_GETTIME, DWORD(lplTime), 0);
- end;
- function ICDrawSetTime(hic: HIC; lTime: DWORD): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_SETTIME, lTime, 0);
- end;
- function ICDrawRealize(hic: HIC; hdc: HDC; fBackground: BOOL): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_REALIZE, DWORD(hdc), DWORD(fBackground));
- end;
- function ICDrawFlush(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_FLUSH, 0, 0);
- end;
- function ICDrawRenderBuffer(hic: HIC): DWORD;
- begin
- Result := ICSendMessage(hic, ICM_DRAW_RENDERBUFFER, 0, 0);
- end;
- {-- ICSetStatusProc() - Set the status callback function ---------------------}
- // ICMessage is not supported on NT
- function ICSetStatusProc(
- hic : HIC;
- dwFlags : DWORD;
- lParam : DWORD;
- fpfnStatus : TICStatusProc
- ): DWORD; stdcall;
- var
- ic : TICSETSTATUSPROC;
- begin
- ic.dwFlags := dwFlags;
- ic.lParam := lParam;
- ic.Status := fpfnStatus;
- // note that ICM swaps round the length and pointer
- // length in lparam2, pointer in lparam1
- Result := ICSendMessage(hic, ICM_SET_STATUS_PROC, DWORD(@ic), sizeof(ic));
- end;
- {== Helper routines for DrawDib and MCIAVI... ================================}
- function ICDecompressOpen(fccType, fccHandler: DWORD; lpbiIn, lpbiOut: PBITMAPINFOHEADER): HIC;
- begin
- Result := ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, ICMODE_DECOMPRESS);
- end;
- function ICDrawOpen(fccType, fccHandler: DWORD; lpbiIn: PBITMAPINFOHEADER): HIC;
- begin
- Result := ICLocate(fccType, fccHandler, lpbiIn, nil, ICMODE_DRAW);
- end;
- end.