Source code of Windows XP (NT5)
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/****************************************************************************
*
* AVIFILE.H
*
* routines for reading Standard AVI files
*
* Copyright (c) 1992, 1993 Microsoft Corporation. All Rights Reserved.
*
* You have a royalty-free right to use, modify, reproduce and
* distribute the Sample Files (and/or any modified version) in
* any way you find useful, provided that you agree that
* Microsoft has no warranty obligations or liability for any
* Sample Application Files which are modified.
*
***************************************************************************/
#if !defined( _AVIFILE_H_ )
#define _AVIFILE_H_
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */
#endif /* __cplusplus */
#define CreateStream CS // !!!ack
#ifndef mmioFOURCC
#define mmioFOURCC( ch0, ch1, ch2, ch3 ) \
( (DWORD)(BYTE)(ch0) | ( (DWORD)(BYTE)(ch1) << 8 ) | \
( (DWORD)(BYTE)(ch2) << 16 ) | ( (DWORD)(BYTE)(ch3) << 24 ) )
#endif
#ifndef streamtypeVIDEO
#define streamtypeVIDEO mmioFOURCC('v', 'i', 'd', 's')
#define streamtypeAUDIO mmioFOURCC('a', 'u', 'd', 's')
#define streamtypeMIDI mmioFOURCC('m', 'i', 'd', 's')
#define streamtypeTEXT mmioFOURCC('t', 'x', 't', 's')
#endif
#ifndef AVIIF_KEYFRAME
#define AVIIF_KEYFRAME 0x00000010L // this frame is a key frame.
#endif
//
// Structures used by AVIStreamInfo & AVIFileInfo.
//
// These are related to, but not identical to, the header chunks
// in an AVI file.
//
typedef struct _AVISTREAMINFO {
DWORD fccType;
DWORD fccHandler;
DWORD dwFlags; /* Contains AVITF_* flags */
DWORD dwCaps;
WORD wPriority;
WORD wLanguage;
DWORD dwScale;
DWORD dwRate; /* dwRate / dwScale == samples/second */
DWORD dwStart;
DWORD dwLength; /* In units above... */
DWORD dwInitialFrames;
DWORD dwSuggestedBufferSize;
DWORD dwQuality;
DWORD dwSampleSize;
RECT rcFrame;
DWORD dwEditCount;
DWORD dwFormatChangeCount;
char szName[64];
} AVISTREAMINFO, FAR * LPAVISTREAMINFO;
#define AVISTREAMINFO_DISABLED 0x00000001
#define AVISTREAMINFO_FORMATCHANGES 0x00010000
typedef struct _AVIFILEINFO {
DWORD dwMaxBytesPerSec; // max. transfer rate
DWORD dwFlags; // the ever-present flags
DWORD dwCaps;
DWORD dwStreams;
DWORD dwSuggestedBufferSize;
DWORD dwWidth;
DWORD dwHeight;
DWORD dwScale;
DWORD dwRate; /* dwRate / dwScale == samples/second */
DWORD dwLength;
DWORD dwEditCount;
char szFileType[64]; // descriptive string for file type?
} AVIFILEINFO, FAR * LPAVIFILEINFO;
// Flags for dwFlags
#define AVIFILEINFO_HASINDEX 0x00000010
#define AVIFILEINFO_MUSTUSEINDEX 0x00000020
#define AVIFILEINFO_ISINTERLEAVED 0x00000100
#define AVIFILEINFO_WASCAPTUREFILE 0x00010000
#define AVIFILEINFO_COPYRIGHTED 0x00020000
// Flags for dwCaps
#define AVIFILECAPS_CANREAD 0x00000001
#define AVIFILECAPS_CANWRITE 0x00000002
#define AVIFILECAPS_ALLKEYFRAMES 0x00000010
#define AVIFILECAPS_NOCOMPRESSION 0x00000020
typedef BOOL (FAR PASCAL * AVISAVECALLBACK)(int);
/************************************************************************/
/* Declaration for the AVICOMPRESSOPTIONS structure. Make sure it */
/* matches the AutoDoc in avisave.c !!! */
/************************************************************************/
typedef struct {
DWORD fccType; /* stream type, for consistency */
DWORD fccHandler; /* compressor */
DWORD dwKeyFrameEvery; /* keyframe rate */
DWORD dwQuality; /* compress quality 0-10,000 */
DWORD dwBytesPerSecond; /* bytes per second */
DWORD dwFlags; /* flags... see aviopts.h */
LPVOID lpFormat; /* save format */
DWORD cbFormat;
LPVOID lpParms; /* compressor options */
DWORD cbParms;
DWORD dwInterleaveEvery; /* for non-video streams only */
} AVICOMPRESSOPTIONS, FAR *LPAVICOMPRESSOPTIONS;
//
// Defines for the dwFlags field of the AVICOMPRESSOPTIONS struct
// Each of these flags determines if the appropriate field in the structure
// (dwInterleaveEvery, dwBytesPerSecond, and dwKeyFrameEvery) is payed
// attention to. See the autodoc in avisave.c for details.
//
#define AVICOMPRESSF_INTERLEAVE 0x00000001 // interleave
#define AVICOMPRESSF_DATARATE 0x00000002 // use a data rate
#define AVICOMPRESSF_KEYFRAMES 0x00000004 // use keyframes
#define AVICOMPRESSF_VALID 0x00000008 // has valid data?
#ifdef __cplusplus
} /* End of extern "C" { */
#endif /* __cplusplus */
#include "aviiface.h"
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */
#endif /* __cplusplus */
//
// functions
//
STDAPI_(void) AVIFileInit(void); // Call this first!
STDAPI_(void) AVIFileExit(void);
STDAPI_(ULONG) AVIFileAddRef (PAVIFILE pfile);
STDAPI_(ULONG) AVIFileRelease (PAVIFILE pfile);
STDAPI AVIFileOpen (PAVIFILE FAR * ppfile, LPCSTR szFile,
UINT uMode, LPCLSID lpHandler);
STDAPI AVIFileInfo (PAVIFILE pfile, AVIFILEINFO FAR * pfi, LONG lSize);
STDAPI AVIFileGetStream (PAVIFILE pfile, PAVISTREAM FAR * ppavi, DWORD fccType, LONG lParam);
STDAPI AVIFileCreateStream (PAVIFILE pfile,
PAVISTREAM FAR *ppavi,
AVISTREAMINFO FAR *psi);
STDAPI AVIFileWriteData (PAVIFILE pfile,
DWORD ckid,
LPVOID lpData,
LONG cbData);
STDAPI AVIFileReadData (PAVIFILE pfile,
DWORD ckid,
LPVOID lpData,
LONG FAR *lpcbData);
STDAPI AVIFileEndRecord (PAVIFILE pfile);
STDAPI_(ULONG) AVIStreamAddRef (PAVISTREAM pavi);
STDAPI_(ULONG) AVIStreamRelease (PAVISTREAM pavi);
STDAPI AVIStreamInfo (PAVISTREAM pavi, AVISTREAMINFO FAR * psi, LONG lSize);
STDAPI_(LONG) AVIStreamFindSample(PAVISTREAM pavi, LONG lPos, LONG lFlags);
STDAPI AVIStreamReadFormat (PAVISTREAM pavi, LONG lPos,LPVOID lpFormat,LONG FAR *lpcbFormat);
STDAPI AVIStreamSetFormat (PAVISTREAM pavi, LONG lPos,LPVOID lpFormat,LONG cbFormat);
STDAPI AVIStreamReadData (PAVISTREAM pavi, DWORD fcc, LPVOID lp, LONG FAR *lpcb);
STDAPI AVIStreamWriteData (PAVISTREAM pavi, DWORD fcc, LPVOID lp, LONG cb);
STDAPI AVIStreamRead (PAVISTREAM pavi,
LONG lStart,
LONG lSamples,
LPVOID lpBuffer,
LONG cbBuffer,
LONG FAR * plBytes,
LONG FAR * plSamples);
#define AVISTREAMREAD_CONVENIENT (-1L)
STDAPI AVIStreamWrite (PAVISTREAM pavi,
LONG lStart, LONG lSamples,
LPVOID lpBuffer, LONG cbBuffer, DWORD dwFlags,
LONG FAR *plSampWritten,
LONG FAR *plBytesWritten);
// Right now, these just use AVIStreamInfo() to get information, then
// return some of it. Can they be more efficient?
STDAPI_(LONG) AVIStreamStart (PAVISTREAM pavi);
STDAPI_(LONG) AVIStreamLength (PAVISTREAM pavi);
STDAPI_(LONG) AVIStreamTimeToSample (PAVISTREAM pavi, LONG lTime);
STDAPI_(LONG) AVIStreamSampleToTime (PAVISTREAM pavi, LONG lSample);
STDAPI AVIStreamBeginStreaming(PAVISTREAM pavi, LONG lStart, LONG lEnd, LONG lRate);
STDAPI AVIStreamEndStreaming(PAVISTREAM pavi);
//
// helper functions for using IGetFrame
//
STDAPI_(PGETFRAME) AVIStreamGetFrameOpen(PAVISTREAM pavi,
LPBITMAPINFOHEADER lpbiWanted);
STDAPI_(LPVOID) AVIStreamGetFrame(PGETFRAME pg, LONG lPos);
STDAPI AVIStreamGetFrameClose(PGETFRAME pg);
// !!! We need some way to place an advise on a stream....
// STDAPI AVIStreamHasChanged (PAVISTREAM pavi);
// Shortcut function
STDAPI AVIStreamOpenFromFile(PAVISTREAM FAR *ppavi, LPCSTR szFile,
DWORD fccType, LONG lParam,
UINT mode, CLSID FAR *pclsidHandler);
// Use to create disembodied streams
STDAPI AVIStreamCreate(PAVISTREAM FAR *ppavi, LONG lParam1, LONG lParam2,
CLSID FAR *pclsidHandler);
// PHANDLER AVIAPI AVIGetHandler (PAVISTREAM pavi, PAVISTREAMHANDLER psh);
// PAVISTREAM AVIAPI AVIGetStream (PHANDLER p);
//
// flags for AVIStreamFindSample
//
#define FIND_DIR 0x0000000FL // direction
#define FIND_NEXT 0x00000001L // go forward
#define FIND_PREV 0x00000004L // go backward
#define FIND_TYPE 0x000000F0L // type mask
#define FIND_KEY 0x00000010L // find key frame.
#define FIND_ANY 0x00000020L // find any (non-empty) sample
#define FIND_FORMAT 0x00000040L // find format change
#define FIND_RET 0x0000F000L // return mask
#define FIND_POS 0x00000000L // return logical position
#define FIND_LENGTH 0x00001000L // return logical size
#define FIND_OFFSET 0x00002000L // return physical position
#define FIND_SIZE 0x00003000L // return physical size
#define FIND_INDEX 0x00004000L // return physical index position
//
// stuff to support backward compat.
//
#define AVIStreamFindKeyFrame AVIStreamFindSample
#define FindKeyFrame FindSample
#define AVIStreamClose AVIStreamRelease
#define AVIFileClose AVIFileRelease
#define AVIStreamInit AVIFileInit
#define AVIStreamExit AVIFileExit
#define SEARCH_NEAREST FIND_PREV
#define SEARCH_BACKWARD FIND_PREV
#define SEARCH_FORWARD FIND_NEXT
#define SEARCH_KEY FIND_KEY
#define SEARCH_ANY FIND_ANY
//
// helper macros.
//
#define AVIStreamSampleToSample(pavi1, pavi2, l) \
AVIStreamTimeToSample(pavi1,AVIStreamSampleToTime(pavi2, l))
#define AVIStreamNextSample(pavi, l) \
AVIStreamFindSample(pavi,l+1,FIND_NEXT|FIND_ANY)
#define AVIStreamPrevSample(pavi, l) \
AVIStreamFindSample(pavi,l-1,FIND_PREV|FIND_ANY)
#define AVIStreamNearestSample(pavi, l) \
AVIStreamFindSample(pavi,l,FIND_PREV|FIND_ANY)
#define AVIStreamNextKeyFrame(pavi,l) \
AVIStreamFindSample(pavi,l+1,FIND_NEXT|FIND_KEY)
#define AVIStreamPrevKeyFrame(pavi, l) \
AVIStreamFindSample(pavi,l-1,FIND_PREV|FIND_KEY)
#define AVIStreamNearestKeyFrame(pavi, l) \
AVIStreamFindSample(pavi,l,FIND_PREV|FIND_KEY)
#define AVIStreamIsKeyFrame(pavi, l) \
(AVIStreamNearestKeyFrame(pavi,l) == l)
#define AVIStreamPrevSampleTime(pavi, t) \
AVIStreamSampleToTime(pavi, AVIStreamPrevSample(pavi,AVIStreamTimeToSample(pavi,t)))
#define AVIStreamNextSampleTime(pavi, t) \
AVIStreamSampleToTime(pavi, AVIStreamNextSample(pavi,AVIStreamTimeToSample(pavi,t)))
#define AVIStreamNearestSampleTime(pavi, t) \
AVIStreamSampleToTime(pavi, AVIStreamNearestSample(pavi,AVIStreamTimeToSample(pavi,t)))
#define AVIStreamNextKeyFrameTime(pavi, t) \
AVIStreamSampleToTime(pavi, AVIStreamNextKeyFrame(pavi,AVIStreamTimeToSample(pavi, t)))
#define AVIStreamPrevKeyFrameTime(pavi, t) \
AVIStreamSampleToTime(pavi, AVIStreamPrevKeyFrame(pavi,AVIStreamTimeToSample(pavi, t)))
#define AVIStreamNearestKeyFrameTime(pavi, t) \
AVIStreamSampleToTime(pavi, AVIStreamNearestKeyFrame(pavi,AVIStreamTimeToSample(pavi, t)))
#define AVIStreamStartTime(pavi) \
AVIStreamSampleToTime(pavi, AVIStreamStart(pavi))
#define AVIStreamLengthTime(pavi) \
AVIStreamSampleToTime(pavi, AVIStreamLength(pavi))
#define AVIStreamEnd(pavi) \
(AVIStreamStart(pavi) + AVIStreamLength(pavi))
#define AVIStreamEndTime(pavi) \
AVIStreamSampleToTime(pavi, AVIStreamEnd(pavi))
#define AVIStreamSampleSize(pavi, lPos, plSize) \
AVIStreamRead(pavi,lPos,1,NULL,0,plSize,NULL)
#define AVIStreamFormatSize(pavi, lPos, plSize) \
AVIStreamReadFormat(pavi,lPos,NULL,plSize)
#define AVIStreamDataSize(pavi, fcc, plSize) \
AVIStreamReadData(pavi,fcc,NULL,plSize)
/****************************************************************************
*
* AVISave routines and structures
*
***************************************************************************/
#ifndef comptypeDIB
#define comptypeDIB mmioFOURCC('D', 'I', 'B', ' ')
#endif
STDAPI AVIMakeCompressedStream(
PAVISTREAM FAR * ppsCompressed,
PAVISTREAM ppsSource,
AVICOMPRESSOPTIONS FAR * lpOptions,
CLSID FAR *pclsidHandler);
EXTERN_C HRESULT CDECL AVISave (LPCSTR szFile,
CLSID FAR *pclsidHandler,
AVISAVECALLBACK lpfnCallback,
int nStreams,
PAVISTREAM pfile,
LPAVICOMPRESSOPTIONS lpOptions,
...);
STDAPI AVISaveV(LPCSTR szFile,
CLSID FAR *pclsidHandler,
AVISAVECALLBACK lpfnCallback,
int nStreams,
PAVISTREAM FAR * ppavi,
LPAVICOMPRESSOPTIONS FAR *plpOptions);
STDAPI_(BOOL) AVISaveOptions(HWND hwnd,
UINT uiFlags,
int nStreams,
PAVISTREAM FAR *ppavi,
LPAVICOMPRESSOPTIONS FAR *plpOptions);
STDAPI AVISaveOptionsFree(int nStreams,
LPAVICOMPRESSOPTIONS FAR *plpOptions);
// FLAGS FOR uiFlags:
//
// Same as the flags for ICCompressorChoose (see compman.h)
// These determine what the compression options dialog for video streams
// will look like.
STDAPI AVIBuildFilter(LPSTR lpszFilter, LONG cbFilter, BOOL fSaving);
STDAPI AVIMakeFileFromStreams(PAVIFILE FAR * ppfile,
int nStreams,
PAVISTREAM FAR * papStreams);
STDAPI AVIMakeStreamFromClipboard(UINT cfFormat, HANDLE hGlobal, PAVISTREAM FAR *ppstream);
/****************************************************************************
*
* Clipboard routines
*
***************************************************************************/
STDAPI AVIPutFileOnClipboard(PAVIFILE pf);
STDAPI AVIGetFromClipboard(PAVIFILE FAR * lppf);
STDAPI AVIClearClipboard(void);
/****************************************************************************
*
* Editing routines
*
***************************************************************************/
STDAPI CreateEditableStream(
PAVISTREAM FAR * ppsEditable,
PAVISTREAM psSource);
STDAPI EditStreamCut(PAVISTREAM pavi, LONG FAR *plStart, LONG FAR *plLength, PAVISTREAM FAR * ppResult);
STDAPI EditStreamCopy(PAVISTREAM pavi, LONG FAR *plStart, LONG FAR *plLength, PAVISTREAM FAR * ppResult);
STDAPI EditStreamPaste(PAVISTREAM pavi, LONG FAR *plPos, LONG FAR *plLength, PAVISTREAM pstream, LONG lStart, LONG lEnd);
STDAPI EditStreamClone(PAVISTREAM pavi, PAVISTREAM FAR *ppResult);
STDAPI EditStreamSetName(PAVISTREAM pavi, LPCSTR lpszName);
STDAPI EditStreamSetInfo(PAVISTREAM pavi, AVISTREAMINFO FAR * lpInfo, LONG cbInfo);
#ifdef __cplusplus
} /* End of extern "C" { */
#endif /* __cplusplus */
#endif
/* - - - - - - - - */
#ifndef AVIERR_OK
#define AVIERR_OK 0L
#define MAKE_AVIERR(error) MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 0x4000 + error)
// !!! Questions to be answered:
// How can you get a string form of these errors?
// Which of these errors should be replaced by errors in SCODE.H?
#define AVIERR_UNSUPPORTED MAKE_AVIERR(101)
#define AVIERR_BADFORMAT MAKE_AVIERR(102)
#define AVIERR_MEMORY MAKE_AVIERR(103)
#define AVIERR_INTERNAL MAKE_AVIERR(104)
#define AVIERR_BADFLAGS MAKE_AVIERR(105)
#define AVIERR_BADPARAM MAKE_AVIERR(106)
#define AVIERR_BADSIZE MAKE_AVIERR(107)
#define AVIERR_BADHANDLE MAKE_AVIERR(108)
#define AVIERR_FILEREAD MAKE_AVIERR(109)
#define AVIERR_FILEWRITE MAKE_AVIERR(110)
#define AVIERR_FILEOPEN MAKE_AVIERR(111)
#define AVIERR_COMPRESSOR MAKE_AVIERR(112)
#define AVIERR_NOCOMPRESSOR MAKE_AVIERR(113)
#define AVIERR_READONLY MAKE_AVIERR(114)
#define AVIERR_NODATA MAKE_AVIERR(115)
#define AVIERR_BUFFERTOOSMALL MAKE_AVIERR(116)
#define AVIERR_CANTCOMPRESS MAKE_AVIERR(117)
#define AVIERR_USERABORT MAKE_AVIERR(198)
#define AVIERR_ERROR MAKE_AVIERR(199)
#endif