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402 lines
13 KiB
402 lines
13 KiB
//------------------------------------------------------------------------------ |
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// File: AVIRIFF.h |
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// |
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// Desc: Structures and defines for the RIFF AVI file format extended to |
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// handle very large/long files. |
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// |
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// Copyright (c) 1996-2001, Microsoft Corporation. All rights reserved. |
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//------------------------------------------------------------------------------ |
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// Disable some compiler warnings |
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#pragma warning(disable: 4097 4511 4512 4514 4705) |
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#if !defined AVIRIFF_H |
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#define AVIRIFF_H |
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#if !defined NUMELMS |
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#define NUMELMS(aa) (sizeof(aa)/sizeof((aa)[0])) |
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#endif |
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// all structures in this file are packed on word boundaries |
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// |
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#include <pshpack2.h> |
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/* |
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* heres the general layout of an AVI riff file (new format) |
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* |
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* RIFF (3F??????) AVI <- not more than 1 GB in size |
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* LIST (size) hdrl |
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* avih (0038) |
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* LIST (size) strl |
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* strh (0038) |
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* strf (????) |
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* indx (3ff8) <- size may vary, should be sector sized |
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* LIST (size) strl |
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* strh (0038) |
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* strf (????) |
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* indx (3ff8) <- size may vary, should be sector sized |
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* LIST (size) odml |
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* dmlh (????) |
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* JUNK (size) <- fill to align to sector - 12 |
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* LIST (7f??????) movi <- aligned on sector - 12 |
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* 00dc (size) <- sector aligned |
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* 01wb (size) <- sector aligned |
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* ix00 (size) <- sector aligned |
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* idx1 (00??????) <- sector aligned |
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* RIFF (7F??????) AVIX |
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* JUNK (size) <- fill to align to sector -12 |
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* LIST (size) movi |
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* 00dc (size) <- sector aligned |
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* RIFF (7F??????) AVIX <- not more than 2GB in size |
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* JUNK (size) <- fill to align to sector - 12 |
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* LIST (size) movi |
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* 00dc (size) <- sector aligned |
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* |
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*-===================================================================*/ |
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// |
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// structures for manipulating RIFF headers |
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// |
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#define FCC(ch4) ((((DWORD)(ch4) & 0xFF) << 24) | \ |
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(((DWORD)(ch4) & 0xFF00) << 8) | \ |
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(((DWORD)(ch4) & 0xFF0000) >> 8) | \ |
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(((DWORD)(ch4) & 0xFF000000) >> 24)) |
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typedef struct _riffchunk { |
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FOURCC fcc; |
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DWORD cb; |
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} RIFFCHUNK, * LPRIFFCHUNK; |
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typedef struct _rifflist { |
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FOURCC fcc; |
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DWORD cb; |
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FOURCC fccListType; |
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} RIFFLIST, * LPRIFFLIST; |
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#define RIFFROUND(cb) ((cb) + ((cb)&1)) |
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#define RIFFNEXT(pChunk) (LPRIFFCHUNK)((LPBYTE)(pChunk) \ |
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+ sizeof(RIFFCHUNK) \ |
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+ RIFFROUND(((LPRIFFCHUNK)pChunk)->cb)) |
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// |
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// ==================== avi header structures =========================== |
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// |
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// main header for the avi file (compatibility header) |
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// |
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#define ckidMAINAVIHEADER FCC('avih') |
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typedef struct _avimainheader { |
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FOURCC fcc; // 'avih' |
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DWORD cb; // size of this structure -8 |
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DWORD dwMicroSecPerFrame; // frame display rate (or 0L) |
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DWORD dwMaxBytesPerSec; // max. transfer rate |
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DWORD dwPaddingGranularity; // pad to multiples of this size; normally 2K. |
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DWORD dwFlags; // the ever-present flags |
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#define AVIF_HASINDEX 0x00000010 // Index at end of file? |
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#define AVIF_MUSTUSEINDEX 0x00000020 |
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#define AVIF_ISINTERLEAVED 0x00000100 |
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#define AVIF_TRUSTCKTYPE 0x00000800 // Use CKType to find key frames |
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#define AVIF_WASCAPTUREFILE 0x00010000 |
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#define AVIF_COPYRIGHTED 0x00020000 |
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DWORD dwTotalFrames; // # frames in first movi list |
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DWORD dwInitialFrames; |
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DWORD dwStreams; |
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DWORD dwSuggestedBufferSize; |
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DWORD dwWidth; |
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DWORD dwHeight; |
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DWORD dwReserved[4]; |
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} AVIMAINHEADER; |
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#define ckidODML FCC('odml') |
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#define ckidAVIEXTHEADER FCC('dmlh') |
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typedef struct _aviextheader { |
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FOURCC fcc; // 'dmlh' |
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DWORD cb; // size of this structure -8 |
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DWORD dwGrandFrames; // total number of frames in the file |
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DWORD dwFuture[61]; // to be defined later |
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} AVIEXTHEADER; |
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// |
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// structure of an AVI stream header riff chunk |
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// |
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#define ckidSTREAMLIST FCC('strl') |
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#ifndef ckidSTREAMHEADER |
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#define ckidSTREAMHEADER FCC('strh') |
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#endif |
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typedef struct _avistreamheader { |
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FOURCC fcc; // 'strh' |
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DWORD cb; // size of this structure - 8 |
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FOURCC fccType; // stream type codes |
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#ifndef streamtypeVIDEO |
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#define streamtypeVIDEO FCC('vids') |
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#define streamtypeAUDIO FCC('auds') |
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#define streamtypeMIDI FCC('mids') |
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#define streamtypeTEXT FCC('txts') |
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#endif |
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FOURCC fccHandler; |
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DWORD dwFlags; |
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#define AVISF_DISABLED 0x00000001 |
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#define AVISF_VIDEO_PALCHANGES 0x00010000 |
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WORD wPriority; |
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WORD wLanguage; |
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DWORD dwInitialFrames; |
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DWORD dwScale; |
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DWORD dwRate; // dwRate/dwScale is stream tick rate in ticks/sec |
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DWORD dwStart; |
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DWORD dwLength; |
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DWORD dwSuggestedBufferSize; |
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DWORD dwQuality; |
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DWORD dwSampleSize; |
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struct { |
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short int left; |
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short int top; |
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short int right; |
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short int bottom; |
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} rcFrame; |
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} AVISTREAMHEADER; |
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// |
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// structure of an AVI stream format chunk |
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// |
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#ifndef ckidSTREAMFORMAT |
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#define ckidSTREAMFORMAT FCC('strf') |
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#endif |
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// |
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// avi stream formats are different for each stream type |
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// |
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// BITMAPINFOHEADER for video streams |
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// WAVEFORMATEX or PCMWAVEFORMAT for audio streams |
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// nothing for text streams |
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// nothing for midi streams |
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#pragma warning(disable:4200) |
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// |
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// structure of old style AVI index |
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// |
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#define ckidAVIOLDINDEX FCC('idx1') |
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typedef struct _avioldindex { |
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FOURCC fcc; // 'idx1' |
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DWORD cb; // size of this structure -8 |
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struct _avioldindex_entry { |
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DWORD dwChunkId; |
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DWORD dwFlags; |
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#ifndef AVIIF_LIST |
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#define AVIIF_LIST 0x00000001 |
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#define AVIIF_KEYFRAME 0x00000010 |
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#endif |
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#define AVIIF_NO_TIME 0x00000100 |
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#define AVIIF_COMPRESSOR 0x0FFF0000 // unused? |
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DWORD dwOffset; // offset of riff chunk header for the data |
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DWORD dwSize; // size of the data (excluding riff header size) |
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} aIndex[]; // size of this array |
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} AVIOLDINDEX; |
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// |
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// ============ structures for timecode in an AVI file ================= |
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// |
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#ifndef TIMECODE_DEFINED |
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#define TIMECODE_DEFINED |
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// defined |
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// timecode time structure |
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// |
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typedef union _timecode { |
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struct { |
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WORD wFrameRate; |
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WORD wFrameFract; |
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LONG cFrames; |
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}; |
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DWORDLONG qw; |
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} TIMECODE; |
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#endif // TIMECODE_DEFINED |
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#define TIMECODE_RATE_30DROP 0 // this MUST be zero |
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// struct for all the SMPTE timecode info |
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// |
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typedef struct _timecodedata { |
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TIMECODE time; |
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DWORD dwSMPTEflags; |
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DWORD dwUser; |
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} TIMECODEDATA; |
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// dwSMPTEflags masks/values |
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// |
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#define TIMECODE_SMPTE_BINARY_GROUP 0x07 |
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#define TIMECODE_SMPTE_COLOR_FRAME 0x08 |
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// |
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// ============ structures for new style AVI indexes ================= |
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// |
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// index type codes |
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// |
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#define AVI_INDEX_OF_INDEXES 0x00 |
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#define AVI_INDEX_OF_CHUNKS 0x01 |
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#define AVI_INDEX_OF_TIMED_CHUNKS 0x02 |
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#define AVI_INDEX_OF_SUB_2FIELD 0x03 |
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#define AVI_INDEX_IS_DATA 0x80 |
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// index subtype codes |
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// |
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#define AVI_INDEX_SUB_DEFAULT 0x00 |
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// INDEX_OF_CHUNKS subtype codes |
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// |
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#define AVI_INDEX_SUB_2FIELD 0x01 |
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// meta structure of all avi indexes |
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// |
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typedef struct _avimetaindex { |
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FOURCC fcc; |
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UINT cb; |
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WORD wLongsPerEntry; |
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BYTE bIndexSubType; |
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BYTE bIndexType; |
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DWORD nEntriesInUse; |
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DWORD dwChunkId; |
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DWORD dwReserved[3]; |
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DWORD adwIndex[]; |
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} AVIMETAINDEX; |
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#define STDINDEXSIZE 0x4000 |
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#define NUMINDEX(wLongsPerEntry) ((STDINDEXSIZE-32)/4/(wLongsPerEntry)) |
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#define NUMINDEXFILL(wLongsPerEntry) ((STDINDEXSIZE/4) - NUMINDEX(wLongsPerEntry)) |
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// structure of a super index (INDEX_OF_INDEXES) |
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// |
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#define ckidAVISUPERINDEX FCC('indx') |
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typedef struct _avisuperindex { |
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FOURCC fcc; // 'indx' |
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UINT cb; // size of this structure |
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WORD wLongsPerEntry; // ==4 |
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BYTE bIndexSubType; // ==0 (frame index) or AVI_INDEX_SUB_2FIELD |
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BYTE bIndexType; // ==AVI_INDEX_OF_INDEXES |
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DWORD nEntriesInUse; // offset of next unused entry in aIndex |
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DWORD dwChunkId; // chunk ID of chunks being indexed, (i.e. RGB8) |
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DWORD dwReserved[3]; // must be 0 |
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struct _avisuperindex_entry { |
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DWORDLONG qwOffset; // 64 bit offset to sub index chunk |
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DWORD dwSize; // 32 bit size of sub index chunk |
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DWORD dwDuration; // time span of subindex chunk (in stream ticks) |
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} aIndex[NUMINDEX(4)]; |
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} AVISUPERINDEX; |
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#define Valid_SUPERINDEX(pi) (*(DWORD *)(&((pi)->wLongsPerEntry)) == (4 | (AVI_INDEX_OF_INDEXES << 24))) |
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// struct of a standard index (AVI_INDEX_OF_CHUNKS) |
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// |
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typedef struct _avistdindex_entry { |
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DWORD dwOffset; // 32 bit offset to data (points to data, not riff header) |
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DWORD dwSize; // 31 bit size of data (does not include size of riff header), bit 31 is deltaframe bit |
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} AVISTDINDEX_ENTRY; |
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#define AVISTDINDEX_DELTAFRAME ( 0x80000000) // Delta frames have the high bit set |
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#define AVISTDINDEX_SIZEMASK (~0x80000000) |
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typedef struct _avistdindex { |
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FOURCC fcc; // 'indx' or '##ix' |
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UINT cb; // size of this structure |
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WORD wLongsPerEntry; // ==2 |
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BYTE bIndexSubType; // ==0 |
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BYTE bIndexType; // ==AVI_INDEX_OF_CHUNKS |
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DWORD nEntriesInUse; // offset of next unused entry in aIndex |
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DWORD dwChunkId; // chunk ID of chunks being indexed, (i.e. RGB8) |
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DWORDLONG qwBaseOffset; // base offset that all index intries are relative to |
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DWORD dwReserved_3; // must be 0 |
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AVISTDINDEX_ENTRY aIndex[NUMINDEX(2)]; |
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} AVISTDINDEX; |
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// struct of a time variant standard index (AVI_INDEX_OF_TIMED_CHUNKS) |
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// |
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typedef struct _avitimedindex_entry { |
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DWORD dwOffset; // 32 bit offset to data (points to data, not riff header) |
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DWORD dwSize; // 31 bit size of data (does not include size of riff header) (high bit is deltaframe bit) |
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DWORD dwDuration; // how much time the chunk should be played (in stream ticks) |
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} AVITIMEDINDEX_ENTRY; |
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typedef struct _avitimedindex { |
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FOURCC fcc; // 'indx' or '##ix' |
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UINT cb; // size of this structure |
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WORD wLongsPerEntry; // ==3 |
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BYTE bIndexSubType; // ==0 |
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BYTE bIndexType; // ==AVI_INDEX_OF_TIMED_CHUNKS |
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DWORD nEntriesInUse; // offset of next unused entry in aIndex |
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DWORD dwChunkId; // chunk ID of chunks being indexed, (i.e. RGB8) |
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DWORDLONG qwBaseOffset; // base offset that all index intries are relative to |
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DWORD dwReserved_3; // must be 0 |
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AVITIMEDINDEX_ENTRY aIndex[NUMINDEX(3)]; |
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DWORD adwTrailingFill[NUMINDEXFILL(3)]; // to align struct to correct size |
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} AVITIMEDINDEX; |
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// structure of a timecode stream |
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// |
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typedef struct _avitimecodeindex { |
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FOURCC fcc; // 'indx' or '##ix' |
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UINT cb; // size of this structure |
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WORD wLongsPerEntry; // ==4 |
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BYTE bIndexSubType; // ==0 |
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BYTE bIndexType; // ==AVI_INDEX_IS_DATA |
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DWORD nEntriesInUse; // offset of next unused entry in aIndex |
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DWORD dwChunkId; // 'time' |
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DWORD dwReserved[3]; // must be 0 |
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TIMECODEDATA aIndex[NUMINDEX(sizeof(TIMECODEDATA)/sizeof(LONG))]; |
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} AVITIMECODEINDEX; |
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// structure of a timecode discontinuity list (when wLongsPerEntry == 7) |
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// |
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typedef struct _avitcdlindex_entry { |
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DWORD dwTick; // stream tick time that maps to this timecode value |
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TIMECODE time; |
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DWORD dwSMPTEflags; |
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DWORD dwUser; |
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TCHAR szReelId[12]; |
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} AVITCDLINDEX_ENTRY; |
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typedef struct _avitcdlindex { |
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FOURCC fcc; // 'indx' or '##ix' |
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UINT cb; // size of this structure |
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WORD wLongsPerEntry; // ==7 (must be 4 or more all 'tcdl' indexes |
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BYTE bIndexSubType; // ==0 |
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BYTE bIndexType; // ==AVI_INDEX_IS_DATA |
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DWORD nEntriesInUse; // offset of next unused entry in aIndex |
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DWORD dwChunkId; // 'tcdl' |
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DWORD dwReserved[3]; // must be 0 |
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AVITCDLINDEX_ENTRY aIndex[NUMINDEX(7)]; |
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DWORD adwTrailingFill[NUMINDEXFILL(7)]; // to align struct to correct size |
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} AVITCDLINDEX; |
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typedef struct _avifieldindex_chunk { |
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FOURCC fcc; // 'ix##' |
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DWORD cb; // size of this structure |
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WORD wLongsPerEntry; // must be 3 (size of each entry in |
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// aIndex array) |
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BYTE bIndexSubType; // AVI_INDEX_2FIELD |
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BYTE bIndexType; // AVI_INDEX_OF_CHUNKS |
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DWORD nEntriesInUse; // |
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DWORD dwChunkId; // '##dc' or '##db' |
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DWORDLONG qwBaseOffset; // offsets in aIndex array are relative to this |
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DWORD dwReserved3; // must be 0 |
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struct _avifieldindex_entry { |
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DWORD dwOffset; |
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DWORD dwSize; // size of all fields |
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// (bit 31 set for NON-keyframes) |
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DWORD dwOffsetField2; // offset to second field |
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} aIndex[ ]; |
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} AVIFIELDINDEX, * PAVIFIELDINDEX; |
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#include <poppack.h> |
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#endif
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