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/*
* Header file for comunication with AVI installable compressors/decompressors * * Copyright (c) 1990-1993, Microsoft Corp. All rights reserved. * * Win16: * * Installable compressors should be listed in SYSTEM.INI as * follows: * * [Drivers] * VIDC.MSSQ = mssqcomp.drv * VIDC.XXXX = foodrv.drv * * Win32: (NT) * * Installable compressors should be listed in the registration database * under the key * HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32 * VIDC.MSSQ = mssqcomp.dll * VIDC.XXXX = foodrv.dll * * * That is, an identifying FOURCC should be the key, and the value * should be the driver filename * */
#ifndef _INC_COMPMAN
#define _INC_COMPMAN
#ifndef VFWAPI
#ifdef WIN32
#define VFWAPI __stdcall
#define VFWAPIV __cdecl
#else
#define VFWAPI FAR PASCAL
#define VFWAPIV FAR CDECL
#endif
#endif
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */ #endif /* __cplusplus */
/************************************************************************
messages and structures.
************************************************************************/
#ifndef HTASK
#define HTASK HANDLE
#endif
#include <compddk.h> // include this file for the messages.
/************************************************************************
ICM function declarations ************************************************************************/
BOOL VFWAPI ICInfo(DWORD fccType, DWORD fccHandler, ICINFO FAR * lpicinfo); BOOL VFWAPI ICInstall(DWORD fccType, DWORD fccHandler, LPARAM lParam, LPSTR szDesc, UINT wFlags); BOOL VFWAPI ICRemove(DWORD fccType, DWORD fccHandler, UINT wFlags); LRESULT VFWAPI ICGetInfo(HIC hic, ICINFO FAR *picinfo, DWORD cb);
HIC VFWAPI ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode); HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler); LRESULT VFWAPI ICClose(HANDLE hic);
LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD dw1, DWORD dw2); LRESULT VFWAPIV ICMessage(HIC hic, UINT msg, UINT cb, ...);
#if 0 // Defined in COMPMAN.C
#ifdef WIN32
//
// note NT 1.0 MSVFW32.DLL does not have this function, so fake it
// with this bad function that will not work except on i386..
//
static LRESULT VFWAPIV ICMessage(HIC hic, UINT msg, UINT cb, ...) { return ICSendMessage(hic, msg, (DWORD)(LPVOID)(&cb+1), cb); } #endif
#endif
/* Values for wFlags of ICInstall() */ #define ICINSTALL_FUNCTION 0x0001 // lParam is a DriverProc (function ptr)
#define ICINSTALL_DRIVER 0x0002 // lParam is a driver name (string)
#define ICINSTALL_HDRV 0x0004 // lParam is a HDRVR (driver handle)
/************************************************************************
query macros
************************************************************************/ #define ICMF_CONFIGURE_QUERY 0x00000001
#define ICMF_ABOUT_QUERY 0x00000001
#define ICQueryAbout(hic) \
(ICSendMessage(hic, ICM_ABOUT, (DWORD) -1, ICMF_ABOUT_QUERY) == ICERR_OK)
#define ICAbout(hic, hwnd) \
ICSendMessage(hic, ICM_ABOUT, (DWORD)(UINT)(hwnd), 0)
#define ICQueryConfigure(hic) \
(ICSendMessage(hic, ICM_CONFIGURE, (DWORD) -1, ICMF_CONFIGURE_QUERY) == ICERR_OK)
#define ICConfigure(hic, hwnd) \
ICSendMessage(hic, ICM_CONFIGURE, (DWORD)(UINT)(hwnd), 0)
/************************************************************************
get/set state macros ************************************************************************/
#define ICGetState(hic, pv, cb) \
ICSendMessage(hic, ICM_GETSTATE, (DWORD)(LPVOID)(pv), (DWORD)(cb))
#define ICSetState(hic, pv, cb) \
ICSendMessage(hic, ICM_SETSTATE, (DWORD)(LPVOID)(pv), (DWORD)(cb))
#define ICGetStateSize(hic) \
ICGetState(hic, NULL, 0)
/************************************************************************
get value macros
************************************************************************/ static DWORD dwICValue;
#define ICGetDefaultQuality(hic) \
(ICSendMessage(hic, ICM_GETDEFAULTQUALITY, (DWORD)(LPVOID)&dwICValue, sizeof(DWORD)), dwICValue)
#define ICGetDefaultKeyFrameRate(hic) \
(ICSendMessage(hic, ICM_GETDEFAULTKEYFRAMERATE, (DWORD)(LPVOID)&dwICValue, sizeof(DWORD)), dwICValue)
/************************************************************************
draw window macro ************************************************************************/ #define ICDrawWindow(hic, prc) \
ICSendMessage(hic, ICM_DRAW_WINDOW, (DWORD)(LPVOID)(prc), sizeof(RECT))
/************************************************************************
compression functions
************************************************************************/ /*
* ICCompress() * * compress a single frame * */ DWORD VFWAPIV ICCompress( HIC hic, DWORD dwFlags, // flags
LPBITMAPINFOHEADER lpbiOutput, // output format
LPVOID lpData, // output data
LPBITMAPINFOHEADER lpbiInput, // format of frame to compress
LPVOID lpBits, // frame data to compress
LPDWORD lpckid, // ckid for data in AVI file
LPDWORD lpdwFlags, // flags in the AVI index.
LONG lFrameNum, // frame number of seq.
DWORD dwFrameSize, // reqested size in bytes. (if non zero)
DWORD dwQuality, // quality within one frame
LPBITMAPINFOHEADER lpbiPrev, // format of previous frame
LPVOID lpPrev); // previous frame
/*
* ICCompressBegin() * * start compression from a source format (lpbiInput) to a dest * format (lpbiOuput) is supported. * */ #define ICCompressBegin(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_COMPRESS_BEGIN, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
/*
* ICCompressQuery() * * determines if compression from a source format (lpbiInput) to a dest * format (lpbiOuput) is supported. * */ #define ICCompressQuery(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_COMPRESS_QUERY, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
/*
* ICCompressGetFormat() * * get the ouput format, (format of compressed data) * if lpbiOuput is NULL return the size in bytes needed for format. * */ #define ICCompressGetFormat(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_COMPRESS_GET_FORMAT, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
#define ICCompressGetFormatSize(hic, lpbi) \
ICCompressGetFormat(hic, lpbi, NULL)
/*
* ICCompressSize() * * return the maximal size of a compressed frame * */ #define ICCompressGetSize(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_COMPRESS_GET_SIZE, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
#define ICCompressEnd(hic) \
ICSendMessage(hic, ICM_COMPRESS_END, 0, 0)
/************************************************************************
decompression functions
************************************************************************/
/*
* ICDecompress() * * decompress a single frame * */ #define ICDECOMPRESS_HURRYUP 0x80000000L // don't draw just buffer (hurry up!)
DWORD VFWAPIV ICDecompress( HIC hic, DWORD dwFlags, // flags (from AVI index...)
LPBITMAPINFOHEADER lpbiFormat, // BITMAPINFO of compressed data
// biSizeImage has the chunk size
LPVOID lpData, // data
LPBITMAPINFOHEADER lpbi, // DIB to decompress to
LPVOID lpBits);
/*
* ICDecompressBegin() * * start compression from a source format (lpbiInput) to a dest * format (lpbiOuput) is supported. * */ #define ICDecompressBegin(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_DECOMPRESS_BEGIN, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
/*
* ICDecompressQuery() * * determines if compression from a source format (lpbiInput) to a dest * format (lpbiOuput) is supported. * */ #define ICDecompressQuery(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_DECOMPRESS_QUERY, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
/*
* ICDecompressGetFormat() * * get the ouput format, (format of un-compressed data) * if lpbiOuput is NULL return the size in bytes needed for format. * */ #define ICDecompressGetFormat(hic, lpbiInput, lpbiOutput) \
((LONG) ICSendMessage(hic, ICM_DECOMPRESS_GET_FORMAT, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput)))
#define ICDecompressGetFormatSize(hic, lpbi) \
ICDecompressGetFormat(hic, lpbi, NULL)
/*
* ICDecompressGetPalette() * * get the ouput palette * */ #define ICDecompressGetPalette(hic, lpbiInput, lpbiOutput) \
ICSendMessage(hic, ICM_DECOMPRESS_GET_PALETTE, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
#define ICDecompressSetPalette(hic, lpbiPalette) \
ICSendMessage(hic, ICM_DECOMPRESS_SET_PALETTE, (DWORD)(LPVOID)(lpbiPalette), 0)
#define ICDecompressEnd(hic) \
ICSendMessage(hic, ICM_DECOMPRESS_END, 0, 0)
/************************************************************************
decompression (ex) functions
************************************************************************/
/*
* ICDecompressEx() * * decompress a single frame * */ #define ICDecompressEx(hic, dwFlags, lpbiSrc, lpSrc, xSrc, ySrc, dxSrc, dySrc, lpbiDst, lpDst, xDst, yDst, dxDst, dyDst) \
ICMessage(hic, ICM_DECOMPRESSEX, sizeof(ICDECOMPRESSEX), \ (DWORD)(dwFlags), \ (LPBITMAPINFOHEADER)(lpbiSrc), (LPVOID)(lpSrc), \ (LPBITMAPINFOHEADER)(lpbiDst), (LPVOID)(lpDst), \ (int)(xDst), (int)(yDst), (int)(dxDst), (int)(dyDst), \ (int)(xSrc), (int)(ySrc), (int)(dxSrc), (int)(dySrc))
/*
* ICDecompressBegin() * * start compression from a source format (lpbiInput) to a dest * format (lpbiOuput) is supported. * */ #define ICDecompressExBegin(hic, dwFlags, lpbiSrc, lpSrc, xSrc, ySrc, dxSrc, dySrc, lpbiDst, lpDst, xDst, yDst, dxDst, dyDst) \
ICMessage(hic, ICM_DECOMPRESSEX_BEGIN, sizeof(ICDECOMPRESSEX), \ (DWORD)(dwFlags), \ (LPBITMAPINFOHEADER)(lpbiSrc), (LPVOID)(lpSrc), \ (LPBITMAPINFOHEADER)(lpbiDst), (LPVOID)(lpDst), \ (int)(xDst), (int)(yDst), (int)(dxDst), (int)(dyDst), \ (int)(xSrc), (int)(ySrc), (int)(dxSrc), (int)(dySrc))
/*
* ICDecompressExQuery() * */ #define ICDecompressExQuery(hic, dwFlags, lpbiSrc, lpSrc, xSrc, ySrc, dxSrc, dySrc, lpbiDst, lpDst, xDst, yDst, dxDst, dyDst) \
ICMessage(hic, ICM_DECOMPRESSEX_QUERY, sizeof(ICDECOMPRESSEX), \ (DWORD)(dwFlags), \ (LPBITMAPINFOHEADER)(lpbiSrc), (LPVOID)(lpSrc), \ (LPBITMAPINFOHEADER)(lpbiDst), (LPVOID)(lpDst), \ (int)(xDst), (int)(yDst), (int)(dxDst), (int)(dyDst), \ (int)(xSrc), (int)(ySrc), (int)(dxSrc), (int)(dySrc))
#define ICDecompressExEnd(hic) \
ICSendMessage(hic, ICM_DECOMPRESSEX_END, 0, 0)
/************************************************************************
drawing functions
************************************************************************/
/*
* ICDrawBegin() * * start decompressing data with format (lpbiInput) directly to the screen * * return zero if the decompressor supports drawing. * */
#define ICDRAW_QUERY 0x00000001L // test for support
#define ICDRAW_FULLSCREEN 0x00000002L // draw to full screen
#define ICDRAW_HDC 0x00000004L // draw to a HDC/HWND
DWORD VFWAPIV ICDrawBegin( HIC hic, DWORD dwFlags, // flags
HPALETTE hpal, // palette to draw with
HWND hwnd, // window to draw to
HDC hdc, // HDC to draw to
int xDst, // destination rectangle
int yDst, int dxDst, int dyDst, LPBITMAPINFOHEADER lpbi, // format of frame to draw
int xSrc, // source rectangle
int ySrc, int dxSrc, int dySrc, DWORD dwRate, // frames/second = (dwRate/dwScale)
DWORD dwScale);
/*
* ICDraw() * * decompress data directly to the screen * */
#define ICDRAW_HURRYUP 0x80000000L // don't draw just buffer (hurry up!)
#define ICDRAW_UPDATE 0x40000000L // don't draw just update screen
DWORD VFWAPIV ICDraw( HIC hic, DWORD dwFlags, // flags
LPVOID lpFormat, // format of frame to decompress
LPVOID lpData, // frame data to decompress
DWORD cbData, // size of data
LONG lTime); // time to draw this frame
#define ICDrawSuggestFormat(hic,lpbiIn,lpbiOut,dxSrc,dySrc,dxDst,dyDst,hicDecomp) \
ICMessage(hic, ICM_DRAW_SUGGESTFORMAT, sizeof(ICDRAWSUGGEST), \ (LPBITMAPINFOHEADER)(lpbiIn),(LPBITMAPINFOHEADER)(lpbiOut), \ (int)(dxSrc),(int)(dySrc),(int)(dxDst),(int)(dyDst), (HIC)(hicDecomp))
/*
* ICDrawQuery() * * determines if the compressor is willing to render the specified format. * */ #define ICDrawQuery(hic, lpbiInput) \
ICSendMessage(hic, ICM_DRAW_QUERY, (DWORD)(LPVOID)(lpbiInput), 0L)
#define ICDrawChangePalette(hic, lpbiInput) \
ICSendMessage(hic, ICM_DRAW_CHANGEPALETTE, (DWORD)(LPVOID)(lpbiInput), 0L)
#define ICGetBuffersWanted(hic, lpdwBuffers) \
ICSendMessage(hic, ICM_GETBUFFERSWANTED, (DWORD)(LPVOID)(lpdwBuffers), 0)
#define ICDrawEnd(hic) \
ICSendMessage(hic, ICM_DRAW_END, 0, 0)
#define ICDrawStart(hic) \
ICSendMessage(hic, ICM_DRAW_START, 0, 0)
#define ICDrawStartPlay(hic, lFrom, lTo) \
ICSendMessage(hic, ICM_DRAW_START_PLAY, (DWORD)(lFrom), (DWORD)(lTo))
#define ICDrawStop(hic) \
ICSendMessage(hic, ICM_DRAW_STOP, 0, 0)
#define ICDrawStopPlay(hic) \
ICSendMessage(hic, ICM_DRAW_STOP_PLAY, 0, 0)
#define ICDrawGetTime(hic, lplTime) \
ICSendMessage(hic, ICM_DRAW_GETTIME, (DWORD)(LPVOID)(lplTime), 0)
#define ICDrawSetTime(hic, lTime) \
ICSendMessage(hic, ICM_DRAW_SETTIME, (DWORD)lTime, 0)
#define ICDrawRealize(hic, hdc, fBackground) \
ICSendMessage(hic, ICM_DRAW_REALIZE, (DWORD)(UINT)(HDC)(hdc), (DWORD)(BOOL)(fBackground))
#define ICDrawFlush(hic) \
ICSendMessage(hic, ICM_DRAW_FLUSH, 0, 0)
#define ICDrawRenderBuffer(hic) \
ICSendMessage(hic, ICM_DRAW_RENDERBUFFER, 0, 0)
/************************************************************************
Status callback functions
************************************************************************/
/*
* ICSetStatusProc() * * Set the status callback function * */ #define ICSetStatusProc(hic, dwFlags, lParam, fpfnStatus) \
ICMessage(hic, ICM_SET_STATUS_PROC, sizeof(ICSETSTATUSPROC), \ (DWORD)(dwFlags), \ (LRESULT)(lParam), \ (LONG ((CALLBACK *) ()))(fpfnStatus))
/************************************************************************
helper routines for DrawDib and MCIAVI...
************************************************************************/
#define ICDecompressOpen(fccType, fccHandler, lpbiIn, lpbiOut) \
ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, ICMODE_DECOMPRESS)
#define ICDrawOpen(fccType, fccHandler, lpbiIn) \
ICLocate(fccType, fccHandler, lpbiIn, NULL, ICMODE_DRAW)
HIC VFWAPI ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut, WORD wFlags); HIC VFWAPI ICGetDisplayFormat(HIC hic, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut, int BitDepth, int dx, int dy);
/************************************************************************
Higher level functions ************************************************************************/
HANDLE VFWAPI ICImageCompress( HIC hic, // compressor to use
UINT uiFlags, // flags (none yet)
LPBITMAPINFO lpbiIn, // format to compress from
LPVOID lpBits, // data to compress
LPBITMAPINFO lpbiOut, // compress to this (NULL ==> default)
LONG lQuality, // quality to use
LONG FAR * plSize); // compress to this size (0=whatever)
HANDLE VFWAPI ICImageDecompress( HIC hic, // compressor to use
UINT uiFlags, // flags (none yet)
LPBITMAPINFO lpbiIn, // format to decompress from
LPVOID lpBits, // data to decompress
LPBITMAPINFO lpbiOut); // decompress to this (NULL ==> default)
//
// Structure used by ICSeqCompressFrame and ICCompressorChoose routines
// Make sure this matches the autodoc in icm.c!
//
typedef struct { LONG cbSize; // set to sizeof(COMPVARS) before
// calling ICCompressorChoose
DWORD dwFlags; // see below...
HIC hic; // HIC of chosen compressor
DWORD fccType; // basically ICTYPE_VIDEO
DWORD fccHandler; // handler of chosen compressor or
// "" or "DIB "
LPBITMAPINFO lpbiIn; // input format
LPBITMAPINFO lpbiOut; // output format - will compress to this
LPVOID lpBitsOut; LPVOID lpBitsPrev; LONG lFrame; LONG lKey; // key frames how often?
LONG lDataRate; // desired data rate KB/Sec
LONG lQ; // desired quality
LONG lKeyCount; LPVOID lpState; // state of compressor
LONG cbState; // size of the state
} COMPVARS, FAR *PCOMPVARS;
// FLAGS for dwFlags element of COMPVARS structure:
// set this flag if you initialize COMPVARS before calling ICCompressorChoose
#define ICMF_COMPVARS_VALID 0x00000001 // COMPVARS contains valid data
//
// allows user to choose compressor, quality etc...
//
BOOL VFWAPI ICCompressorChoose( HWND hwnd, // parent window for dialog
UINT uiFlags, // flags
LPVOID pvIn, // input format (optional)
LPVOID lpData, // input data (optional)
PCOMPVARS pc, // data about the compressor/dlg
LPSTR lpszTitle); // dialog title (optional)
// defines for uiFlags
#define ICMF_CHOOSE_KEYFRAME 0x0001 // show KeyFrame Every box
#define ICMF_CHOOSE_DATARATE 0x0002 // show DataRate box
#define ICMF_CHOOSE_PREVIEW 0x0004 // allow expanded preview dialog
#define ICMF_CHOOSE_ALLCOMPRESSORS 0x0008 // don't only show those that
// can handle the input format
// or input data
BOOL VFWAPI ICSeqCompressFrameStart(PCOMPVARS pc, LPBITMAPINFO lpbiIn); void VFWAPI ICSeqCompressFrameEnd(PCOMPVARS pc);
LPVOID VFWAPI ICSeqCompressFrame( PCOMPVARS pc, // set by ICCompressorChoose
UINT uiFlags, // flags
LPVOID lpBits, // input DIB bits
BOOL FAR *pfKey, // did it end up being a key frame?
LONG FAR *plSize); // size to compress to/of returned image
void VFWAPI ICCompressorFree(PCOMPVARS pc);
#ifdef __cplusplus
} /* End of extern "C" { */ #endif /* __cplusplus */
#endif /* _INC_COMPMAN */
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