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