792 lines
23 KiB
C
792 lines
23 KiB
C
/*
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* Header file for comunication with AVI installable compressors/decompressors
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*
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* Copyright (c) 1990-1994, Microsoft Corp. All rights reserved.
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*
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* Win16:
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*
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* Installable compressors should be listed in SYSTEM.INI as
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* follows:
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*
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* [Drivers]
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* VIDC.MSSQ = mssqcomp.drv
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* VIDC.XXXX = foodrv.drv
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*
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* Win32: (NT)
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*
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* Installable compressors should be listed in the registration database
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* under the key
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* HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32
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* VIDC.MSSQ = mssqcomp.dll
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* VIDC.XXXX = foodrv.dll
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*
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*
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* That is, an identifying FOURCC should be the key, and the value
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* should be the driver filename
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*
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*/
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#ifndef _INC_COMPMAN
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#define _INC_COMPMAN
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#ifndef RC_INVOKED
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#ifndef VFWAPI
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#ifdef WIN32
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#define VFWAPI WINAPI
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#ifdef WINAPIV
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#define VFWAPIV WINAPIV
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#else
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#define VFWAPIV FAR CDECL
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#endif
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#else
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#define VFWAPI FAR PASCAL
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#define VFWAPIV FAR CDECL
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#endif
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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/*
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messages and structures.
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*/
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#if !defined HTASK
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#define HTASK HANDLE
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#endif
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#include "compddk.h" // include this file for the messages.
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// begin_vfw32
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/*
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ICM function declarations
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*/
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BOOL VFWAPI ICInfo(DWORD fccType, DWORD fccHandler, ICINFO FAR* lpicinfo);
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BOOL VFWAPI ICInstall(DWORD fccType, DWORD fccHandler, LPARAM lParam, LPSTR szDesc, UINT wFlags);
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BOOL VFWAPI ICRemove(DWORD fccType, DWORD fccHandler, UINT wFlags);
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LRESULT VFWAPI ICGetInfo(HIC hic, ICINFO FAR* picinfo, DWORD cb);
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HIC VFWAPI ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode);
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HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler);
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LRESULT VFWAPI ICClose(HIC hic);
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LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD dw1, DWORD dw2);
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#ifndef WIN32
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//this function is unsupported on Win32 as it is non-portable.
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LRESULT VFWAPIV ICMessage(HIC hic, UINT msg, UINT cb, ...);
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#endif
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/* Values for wFlags of ICInstall() */
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#define ICINSTALL_FUNCTION 0x0001 // lParam is a DriverProc (function ptr)
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#define ICINSTALL_DRIVER 0x0002 // lParam is a driver name (string)
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#define ICINSTALL_HDRV 0x0004 // lParam is a HDRVR (driver handle)
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/*
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query macros
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*/
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#define ICMF_CONFIGURE_QUERY 0x00000001
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#define ICMF_ABOUT_QUERY 0x00000001
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#define ICQueryAbout(hic) \
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(ICSendMessage(hic, ICM_ABOUT, (DWORD) -1, ICMF_ABOUT_QUERY) == ICERR_OK)
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#define ICAbout(hic, hwnd) \
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ICSendMessage(hic, ICM_ABOUT, (DWORD)(UINT)(hwnd), 0)
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#define ICQueryConfigure(hic) \
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(ICSendMessage(hic, ICM_CONFIGURE, (DWORD) -1, ICMF_CONFIGURE_QUERY) == ICERR_OK)
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#define ICConfigure(hic, hwnd) \
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ICSendMessage(hic, ICM_CONFIGURE, (DWORD)(UINT)(hwnd), 0)
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/*
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get/set state macros
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*/
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#define ICGetState(hic, pv, cb) \
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ICSendMessage(hic, ICM_GETSTATE, (DWORD)(LPVOID)(pv), (DWORD)(cb))
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#define ICSetState(hic, pv, cb) \
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ICSendMessage(hic, ICM_SETSTATE, (DWORD)(LPVOID)(pv), (DWORD)(cb))
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#define ICGetStateSize(hic) \
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ICGetState(hic, NULL, 0)
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/*
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get value macros
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*/
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static DWORD dwICValue;
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#define ICGetDefaultQuality(hic) \
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(ICSendMessage(hic, ICM_GETDEFAULTQUALITY, (DWORD)(LPVOID)&dwICValue, sizeof(DWORD)), dwICValue)
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#define ICGetDefaultKeyFrameRate(hic) \
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(ICSendMessage(hic, ICM_GETDEFAULTKEYFRAMERATE, (DWORD)(LPVOID)&dwICValue, sizeof(DWORD)), dwICValue)
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/*
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draw window macro
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*/
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#define ICDrawWindow(hic, prc) \
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ICSendMessage(hic, ICM_DRAW_WINDOW, (DWORD)(LPVOID)(prc), sizeof(RECT))
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/*
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compression functions
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*/
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/*
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* ICCompress()
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* compress a single frame
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*/
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DWORD VFWAPIV ICCompress(
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HIC hic,
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DWORD dwFlags, // flags
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LPBITMAPINFOHEADER lpbiOutput, // output format
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LPVOID lpData, // output data
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LPBITMAPINFOHEADER lpbiInput, // format of frame to compress
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LPVOID lpBits, // frame data to compress
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LPDWORD lpckid, // ckid for data in AVI file
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LPDWORD lpdwFlags, // flags in the AVI index.
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LONG lFrameNum, // frame number of seq.
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DWORD dwFrameSize, // reqested size in bytes. (if non zero)
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DWORD dwQuality, // quality within one frame
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LPBITMAPINFOHEADER lpbiPrev, // format of previous frame
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LPVOID lpPrev); // previous frame
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/*
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* ICCompressBegin()
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* start compression from a source format (lpbiInput) to a dest
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* format (lpbiOuput) is supported.
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*/
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#define ICCompressBegin(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_COMPRESS_BEGIN, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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/*
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* ICCompressQuery()
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* determines if compression from a source format (lpbiInput) to a dest
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* format (lpbiOuput) is supported.
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*/
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#define ICCompressQuery(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_COMPRESS_QUERY, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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/*
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* ICCompressGetFormat()
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* get the output format, (format of compressed data)
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* if lpbiOutput is NULL return the size in bytes needed for format.
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*/
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#define ICCompressGetFormat(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_COMPRESS_GET_FORMAT, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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#define ICCompressGetFormatSize(hic, lpbi) \
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ICCompressGetFormat(hic, lpbi, NULL)
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/*
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* ICCompressSize()
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* return the maximal size of a compressed frame
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*/
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#define ICCompressGetSize(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_COMPRESS_GET_SIZE, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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#define ICCompressEnd(hic) \
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ICSendMessage(hic, ICM_COMPRESS_END, 0, 0)
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/*
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decompression functions
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*/
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/*
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* ICDecompress()
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* decompress a single frame
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*/
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#define ICDECOMPRESS_HURRYUP 0x80000000L // don't draw just buffer (hurry up!)
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DWORD VFWAPIV ICDecompress(
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HIC hic,
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DWORD dwFlags, // flags (from AVI index...)
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LPBITMAPINFOHEADER lpbiFormat, // BITMAPINFO of compressed data
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// biSizeImage has the chunk size
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LPVOID lpData, // data
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LPBITMAPINFOHEADER lpbi, // DIB to decompress to
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LPVOID lpBits);
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/*
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* ICDecompressBegin()
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* start compression from a source format (lpbiInput) to a dest
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* format (lpbiOutput) is supported.
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*/
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#define ICDecompressBegin(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_DECOMPRESS_BEGIN, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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/*
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* ICDecompressQuery()
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* determines if compression from a source format (lpbiInput) to a dest
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* format (lpbiOutput) is supported.
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*/
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#define ICDecompressQuery(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_DECOMPRESS_QUERY, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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/*
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* ICDecompressGetFormat()
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* get the output format, (format of un-compressed data)
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* if lpbiOutput is NULL return the size in bytes needed for format.
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*/
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#define ICDecompressGetFormat(hic, lpbiInput, lpbiOutput) \
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((LONG) ICSendMessage(hic, ICM_DECOMPRESS_GET_FORMAT, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput)))
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#define ICDecompressGetFormatSize(hic, lpbi) \
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ICDecompressGetFormat(hic, lpbi, NULL)
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/*
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* ICDecompressGetPalette()
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* get the output palette
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*/
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#define ICDecompressGetPalette(hic, lpbiInput, lpbiOutput) \
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ICSendMessage(hic, ICM_DECOMPRESS_GET_PALETTE, (DWORD)(LPVOID)(lpbiInput), (DWORD)(LPVOID)(lpbiOutput))
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#define ICDecompressSetPalette(hic, lpbiPalette) \
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ICSendMessage(hic, ICM_DECOMPRESS_SET_PALETTE, (DWORD)(LPVOID)(lpbiPalette), 0)
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#define ICDecompressEnd(hic) \
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ICSendMessage(hic, ICM_DECOMPRESS_END, 0, 0)
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/*
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decompression (ex) functions
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*/
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// end_vfw32
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#ifdef WIN32
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// begin_vfw32
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// on Win16 these functions are macros that call ICMessage. ICMessage will
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// not work on NT. rather than add new entrypoints we have given
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// them as static inline functions
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/*
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* ICDecompressEx()
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* decompress a single frame
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*/
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static __inline LRESULT VFWAPI
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ICDecompressEx(
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HIC hic,
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DWORD dwFlags,
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LPBITMAPINFOHEADER lpbiSrc,
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LPVOID lpSrc,
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int xSrc,
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int ySrc,
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int dxSrc,
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int dySrc,
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LPBITMAPINFOHEADER lpbiDst,
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LPVOID lpDst,
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int xDst,
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int yDst,
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int dxDst,
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int dyDst)
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{
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ICDECOMPRESSEX ic;
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ic.dwFlags = dwFlags;
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ic.lpbiSrc = lpbiSrc;
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ic.lpSrc = lpSrc;
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ic.xSrc = xSrc;
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ic.ySrc = ySrc;
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ic.dxSrc = dxSrc;
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ic.dySrc = dySrc;
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ic.lpbiDst = lpbiDst;
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ic.lpDst = lpDst;
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ic.xDst = xDst;
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ic.yDst = yDst;
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ic.dxDst = dxDst;
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ic.dyDst = dyDst;
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// note that ICM swaps round the length and pointer
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// length in lparam2, pointer in lparam1
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return ICSendMessage(hic, ICM_DECOMPRESSEX, (DWORD)&ic, sizeof(ic));
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}
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/*
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* ICDecompressExBegin()
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* start compression from a source format (lpbiInput) to a dest
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* format (lpbiOutput) is supported.
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*/
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static __inline LRESULT VFWAPI
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ICDecompressExBegin(
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HIC hic,
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DWORD dwFlags,
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LPBITMAPINFOHEADER lpbiSrc,
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LPVOID lpSrc,
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int xSrc,
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int ySrc,
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int dxSrc,
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int dySrc,
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LPBITMAPINFOHEADER lpbiDst,
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LPVOID lpDst,
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int xDst,
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int yDst,
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int dxDst,
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int dyDst)
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{
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ICDECOMPRESSEX ic;
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ic.dwFlags = dwFlags;
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ic.lpbiSrc = lpbiSrc;
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ic.lpSrc = lpSrc;
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ic.xSrc = xSrc;
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ic.ySrc = ySrc;
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ic.dxSrc = dxSrc;
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ic.dySrc = dySrc;
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ic.lpbiDst = lpbiDst;
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ic.lpDst = lpDst;
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ic.xDst = xDst;
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ic.yDst = yDst;
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ic.dxDst = dxDst;
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ic.dyDst = dyDst;
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// note that ICM swaps round the length and pointer
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// length in lparam2, pointer in lparam1
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return ICSendMessage(hic, ICM_DECOMPRESSEX_BEGIN, (DWORD)&ic, sizeof(ic));
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}
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/*
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* ICDecompressExQuery()
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*/
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static __inline LRESULT VFWAPI
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ICDecompressExQuery(
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HIC hic,
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DWORD dwFlags,
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LPBITMAPINFOHEADER lpbiSrc,
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LPVOID lpSrc,
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int xSrc,
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int ySrc,
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int dxSrc,
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int dySrc,
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LPBITMAPINFOHEADER lpbiDst,
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LPVOID lpDst,
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int xDst,
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int yDst,
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int dxDst,
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int dyDst)
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{
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ICDECOMPRESSEX ic;
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ic.dwFlags = dwFlags;
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ic.lpbiSrc = lpbiSrc;
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ic.lpSrc = lpSrc;
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ic.xSrc = xSrc;
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ic.ySrc = ySrc;
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ic.dxSrc = dxSrc;
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ic.dySrc = dySrc;
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ic.lpbiDst = lpbiDst;
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ic.lpDst = lpDst;
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ic.xDst = xDst;
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ic.yDst = yDst;
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ic.dxDst = dxDst;
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ic.dyDst = dyDst;
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// note that ICM swaps round the length and pointer
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// length in lparam2, pointer in lparam1
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return ICSendMessage(hic, ICM_DECOMPRESSEX_QUERY, (DWORD)&ic, sizeof(ic));
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}
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// end_vfw32
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#else
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// these macros need to be functions for WIN32 because ICMessage is
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// essentially unsupportable on NT
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/*
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* ICDecompressEx()
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* decompress a single frame
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*/
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#define ICDecompressEx(hic, dwFlags, lpbiSrc, lpSrc, xSrc, ySrc, dxSrc, dySrc, lpbiDst, lpDst, xDst, yDst, dxDst, dyDst) \
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ICMessage(hic, ICM_DECOMPRESSEX, sizeof(ICDECOMPRESSEX), \
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(DWORD)(dwFlags), \
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(LPBITMAPINFOHEADER)(lpbiSrc), (LPVOID)(lpSrc), \
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(LPBITMAPINFOHEADER)(lpbiDst), (LPVOID)(lpDst), \
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(int)(xDst), (int)(yDst), (int)(dxDst), (int)(dyDst), \
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(int)(xSrc), (int)(ySrc), (int)(dxSrc), (int)(dySrc))
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/*
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* ICDecompressBegin()
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* start compression from a source format (lpbiInput) to a dest
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* format (lpbiOutput) is supported.
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*/
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#define ICDecompressExBegin(hic, dwFlags, lpbiSrc, lpSrc, xSrc, ySrc, dxSrc, dySrc, lpbiDst, lpDst, xDst, yDst, dxDst, dyDst) \
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ICMessage(hic, ICM_DECOMPRESSEX_BEGIN, sizeof(ICDECOMPRESSEX), \
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(DWORD)(dwFlags), \
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(LPBITMAPINFOHEADER)(lpbiSrc), (LPVOID)(lpSrc), \
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(LPBITMAPINFOHEADER)(lpbiDst), (LPVOID)(lpDst), \
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(int)(xDst), (int)(yDst), (int)(dxDst), (int)(dyDst), \
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(int)(xSrc), (int)(ySrc), (int)(dxSrc), (int)(dySrc))
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/*
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* ICDecompressExQuery()
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*/
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#define ICDecompressExQuery(hic, dwFlags, lpbiSrc, lpSrc, xSrc, ySrc, dxSrc, dySrc, lpbiDst, lpDst, xDst, yDst, dxDst, dyDst) \
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ICMessage(hic, ICM_DECOMPRESSEX_QUERY, sizeof(ICDECOMPRESSEX), \
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(DWORD)(dwFlags), \
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(LPBITMAPINFOHEADER)(lpbiSrc), (LPVOID)(lpSrc), \
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(LPBITMAPINFOHEADER)(lpbiDst), (LPVOID)(lpDst), \
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(int)(xDst), (int)(yDst), (int)(dxDst), (int)(dyDst), \
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(int)(xSrc), (int)(ySrc), (int)(dxSrc), (int)(dySrc))
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#endif
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// begin_vfw32
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#define ICDecompressExEnd(hic) \
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ICSendMessage(hic, ICM_DECOMPRESSEX_END, 0, 0)
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/*
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drawing functions
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*/
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/*
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* ICDrawBegin()
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* start decompressing data with format (lpbiInput) directly to the screen
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* return zero if the decompressor supports drawing.
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*/
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#define ICDRAW_QUERY 0x00000001L // test for support
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#define ICDRAW_FULLSCREEN 0x00000002L // draw to full screen
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#define ICDRAW_HDC 0x00000004L // draw to a HDC/HWND
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DWORD VFWAPIV ICDrawBegin(
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HIC hic,
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DWORD dwFlags, // flags
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HPALETTE hpal, // palette to draw with
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HWND hwnd, // window to draw to
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HDC hdc, // HDC to draw to
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int xDst, // destination rectangle
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int yDst,
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int dxDst,
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int dyDst,
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LPBITMAPINFOHEADER lpbi, // format of frame to draw
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int xSrc, // source rectangle
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int ySrc,
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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
|
|
|
|
// end_vfw32
|
|
|
|
#ifdef WIN32
|
|
|
|
// begin_vfw32
|
|
|
|
// ICMessage is not supported on Win32, so provide a static inline function
|
|
// to do the same job
|
|
static __inline LRESULT VFWAPI
|
|
ICDrawSuggestFormat(
|
|
HIC hic,
|
|
LPBITMAPINFOHEADER lpbiIn,
|
|
LPBITMAPINFOHEADER lpbiOut,
|
|
int dxSrc,
|
|
int dySrc,
|
|
int dxDst,
|
|
int dyDst,
|
|
HIC hicDecomp)
|
|
{
|
|
ICDRAWSUGGEST ic;
|
|
|
|
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
|
|
return ICSendMessage(hic, ICM_DRAW_SUGGESTFORMAT, (DWORD)&ic, sizeof(ic));
|
|
}
|
|
|
|
// end_vfw32
|
|
|
|
#else
|
|
#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))
|
|
#endif
|
|
|
|
// begin_vfw32
|
|
|
|
/*
|
|
* 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
|
|
|
|
*/
|
|
|
|
// end_vfw32
|
|
|
|
#ifdef WIN32
|
|
|
|
// begin_vfw32
|
|
|
|
// ICMessage is not supported on NT
|
|
static __inline LRESULT VFWAPI
|
|
ICSetStatusProc(
|
|
HIC hic,
|
|
DWORD dwFlags,
|
|
LRESULT lParam,
|
|
LONG(CALLBACK* fpfnStatus)(LPARAM, UINT, LONG))
|
|
{
|
|
ICSETSTATUSPROC ic;
|
|
|
|
ic.dwFlags = dwFlags;
|
|
ic.lParam = lParam;
|
|
ic.Status = fpfnStatus;
|
|
|
|
// note that ICM swaps round the length and pointer
|
|
// length in lparam2, pointer in lparam1
|
|
return ICSendMessage(hic, ICM_SET_STATUS_PROC, (DWORD)&ic, sizeof(ic));
|
|
}
|
|
|
|
// end_vfw32
|
|
|
|
#else
|
|
|
|
#define ICSetStatusProc(hic, dwFlags, lParam, fpfnStatus) \
|
|
ICMessage(hic, ICM_SET_STATUS_PROC, sizeof(ICSETSTATUSPROC), \
|
|
(DWORD)(dwFlags), \
|
|
(LRESULT)(lParam), \
|
|
(LONG ((CALLBACK *) ()))(fpfnStatus))
|
|
#endif
|
|
|
|
// begin_vfw32
|
|
|
|
/*
|
|
|
|
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);
|
|
|
|
// end_vfw32
|
|
|
|
#ifdef __cplusplus
|
|
} /* End of extern "C" { */
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* _INC_COMPMAN */
|