mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 09:32:40 +00:00
b53b875ddd
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15906 b3059339-0415-0410-9bf9-f77b7e298cf2
368 lines
13 KiB
C
368 lines
13 KiB
C
#ifndef _aviheader_h
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#define _aviheader_h
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//#include "config.h" /* get correct definition WORDS_BIGENDIAN */
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#include "bswap.h"
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#ifndef MIN
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#endif
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#ifndef min
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#define min(a,b) (((a)<(b))?(a):(b))
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#endif
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#ifndef max
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#define max(a,b) (((a)>(b))?(a):(b))
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#endif
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#ifndef mmioFOURCC
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#define mmioFOURCC( ch0, ch1, ch2, ch3 ) \
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( (uint32_t)(uint8_t)(ch0) | ( (uint32_t)(uint8_t)(ch1) << 8 ) | \
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( (uint32_t)(uint8_t)(ch2) << 16 ) | ( (uint32_t)(uint8_t)(ch3) << 24 ) )
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#endif
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/* Macro to make a TWOCC out of two characters */
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#ifndef aviTWOCC
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#define aviTWOCC(ch0, ch1) ((uint16_t)(uint8_t)(ch0) | ((uint16_t)(uint8_t)(ch1) << 8))
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#endif
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//typedef uint16_t TWOCC;
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//typedef uint32_t FOURCC;
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/* form types, list types, and chunk types */
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#define formtypeAVI mmioFOURCC('A', 'V', 'I', ' ')
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#define listtypeAVIHEADER mmioFOURCC('h', 'd', 'r', 'l')
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#define ckidAVIMAINHDR mmioFOURCC('a', 'v', 'i', 'h')
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#define listtypeSTREAMHEADER mmioFOURCC('s', 't', 'r', 'l')
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#define ckidSTREAMHEADER mmioFOURCC('s', 't', 'r', 'h')
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#define ckidSTREAMFORMAT mmioFOURCC('s', 't', 'r', 'f')
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#define ckidSTREAMHANDLERDATA mmioFOURCC('s', 't', 'r', 'd')
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#define ckidSTREAMNAME mmioFOURCC('s', 't', 'r', 'n')
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#define listtypeAVIMOVIE mmioFOURCC('m', 'o', 'v', 'i')
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#define listtypeAVIRECORD mmioFOURCC('r', 'e', 'c', ' ')
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#define ckidAVINEWINDEX mmioFOURCC('i', 'd', 'x', '1')
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/*
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** Stream types for the <fccType> field of the stream header.
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*/
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#define streamtypeVIDEO mmioFOURCC('v', 'i', 'd', 's')
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#define streamtypeAUDIO mmioFOURCC('a', 'u', 'd', 's')
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#define streamtypeMIDI mmioFOURCC('m', 'i', 'd', 's')
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#define streamtypeTEXT mmioFOURCC('t', 'x', 't', 's')
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/* Basic chunk types */
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#define cktypeDIBbits aviTWOCC('d', 'b')
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#define cktypeDIBcompressed aviTWOCC('d', 'c')
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#define cktypePALchange aviTWOCC('p', 'c')
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#define cktypeWAVEbytes aviTWOCC('w', 'b')
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/* Chunk id to use for extra chunks for padding. */
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#define ckidAVIPADDING mmioFOURCC('J', 'U', 'N', 'K')
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/* flags for use in <dwFlags> in AVIFileHdr */
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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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typedef struct
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{
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uint32_t dwMicroSecPerFrame; // frame display rate (or 0L)
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uint32_t dwMaxBytesPerSec; // max. transfer rate
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uint32_t dwPaddingGranularity; // pad to multiples of this
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// size; normally 2K.
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uint32_t dwFlags; // the ever-present flags
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uint32_t dwTotalFrames; // # frames in file
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uint32_t dwInitialFrames;
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uint32_t dwStreams;
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uint32_t dwSuggestedBufferSize;
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uint32_t dwWidth;
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uint32_t dwHeight;
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uint32_t dwReserved[4];
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} MainAVIHeader;
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typedef struct rectangle_t {
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short left;
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short top;
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short right;
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short bottom;
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} rectangle_t;
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typedef struct {
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uint32_t fccType;
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uint32_t fccHandler;
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uint32_t dwFlags; /* Contains AVITF_* flags */
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uint16_t wPriority;
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uint16_t wLanguage;
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uint32_t dwInitialFrames;
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uint32_t dwScale;
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uint32_t dwRate; /* dwRate / dwScale == samples/second */
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uint32_t dwStart;
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uint32_t dwLength; /* In units above... */
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uint32_t dwSuggestedBufferSize;
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uint32_t dwQuality;
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uint32_t dwSampleSize;
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rectangle_t rcFrame;
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} AVIStreamHeader;
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/* Flags for index */
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#define AVIIF_LIST 0x00000001L // chunk is a 'LIST'
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#define AVIIF_KEYFRAME 0x00000010L // this frame is a key frame.
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#define AVIIF_NOTIME 0x00000100L // this frame doesn't take any time
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#define AVIIF_COMPUSE 0x0FFF0000L // these bits are for compressor use
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#define FOURCC_RIFF mmioFOURCC('R', 'I', 'F', 'F')
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#define FOURCC_LIST mmioFOURCC('L', 'I', 'S', 'T')
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typedef struct
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{
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uint32_t ckid;
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uint32_t dwFlags;
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uint32_t dwChunkOffset; // Position of chunk
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uint32_t dwChunkLength; // Length of chunk
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} AVIINDEXENTRY;
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typedef struct _avisuperindex_entry {
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uint64_t qwOffset; // absolute file offset
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uint32_t dwSize; // size of index chunk at this offset
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uint32_t dwDuration; // time span in stream ticks
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} avisuperindex_entry;
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typedef struct _avistdindex_entry {
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uint32_t dwOffset; // qwBaseOffset + this is absolute file offset
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uint32_t dwSize; // bit 31 is set if this is NOT a keyframe
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} avistdindex_entry;
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// Standard index
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typedef struct __attribute__((packed)) _avistdindex_chunk {
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char fcc[4]; // ix##
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uint32_t dwSize; // size of this chunk
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uint16_t wLongsPerEntry; // must be sizeof(aIndex[0])/sizeof(DWORD)
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uint8_t bIndexSubType; // must be 0
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uint8_t bIndexType; // must be AVI_INDEX_OF_CHUNKS
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uint32_t nEntriesInUse; // first unused entry
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char dwChunkId[4]; // '##dc' or '##db' or '##wb' etc..
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uint64_t qwBaseOffset; // all dwOffsets in aIndex array are relative to this
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uint32_t dwReserved3; // must be 0
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avistdindex_entry *aIndex; // the actual frames
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} avistdindex_chunk;
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// Base Index Form 'indx'
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typedef struct _avisuperindex_chunk {
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char fcc[4];
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uint32_t dwSize; // size of this chunk
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uint16_t wLongsPerEntry; // size of each entry in aIndex array (must be 4*4 for us)
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uint8_t bIndexSubType; // future use. must be 0
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uint8_t bIndexType; // one of AVI_INDEX_* codes
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uint32_t nEntriesInUse; // index of first unused member in aIndex array
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char dwChunkId[4]; // fcc of what is indexed
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uint32_t dwReserved[3]; // meaning differs for each index type/subtype.
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// 0 if unused
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avisuperindex_entry *aIndex; // position of ix## chunks
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avistdindex_chunk *stdidx; // the actual std indices
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} avisuperindex_chunk;
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typedef struct {
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uint32_t CompressedBMHeight;
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uint32_t CompressedBMWidth;
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uint32_t ValidBMHeight;
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uint32_t ValidBMWidth;
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uint32_t ValidBMXOffset;
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uint32_t ValidBMYOffset;
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uint32_t VideoXOffsetInT;
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uint32_t VideoYValidStartLine;
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} VIDEO_FIELD_DESC;
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typedef struct {
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uint32_t VideoFormatToken;
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uint32_t VideoStandard;
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uint32_t dwVerticalRefreshRate;
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uint32_t dwHTotalInT;
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uint32_t dwVTotalInLines;
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uint32_t dwFrameAspectRatio;
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uint32_t dwFrameWidthInPixels;
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uint32_t dwFrameHeightInLines;
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uint32_t nbFieldPerFrame;
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VIDEO_FIELD_DESC FieldInfo[2];
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} VideoPropHeader;
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typedef enum {
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FORMAT_UNKNOWN,
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FORMAT_PAL_SQUARE,
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FORMAT_PAL_CCIR_601,
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FORMAT_NTSC_SQUARE,
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FORMAT_NTSC_CCIR_601,
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} VIDEO_FORMAT;
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typedef enum {
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STANDARD_UNKNOWN,
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STANDARD_PAL,
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STANDARD_NTSC,
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STANDARD_SECAM
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} VIDEO_STANDARD;
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#define MAKE_AVI_ASPECT(a, b) (((a)<<16)|(b))
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#define GET_AVI_ASPECT(a) ((float)((a)>>16)/(float)((a)&0xffff))
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/*
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* Some macros to swap little endian structures read from an AVI file
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* into machine endian format
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*/
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#ifdef WORDS_BIGENDIAN
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#define le2me_MainAVIHeader(h) { \
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(h)->dwMicroSecPerFrame = le2me_32((h)->dwMicroSecPerFrame); \
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(h)->dwMaxBytesPerSec = le2me_32((h)->dwMaxBytesPerSec); \
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(h)->dwPaddingGranularity = le2me_32((h)->dwPaddingGranularity); \
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(h)->dwFlags = le2me_32((h)->dwFlags); \
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(h)->dwTotalFrames = le2me_32((h)->dwTotalFrames); \
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(h)->dwInitialFrames = le2me_32((h)->dwInitialFrames); \
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(h)->dwStreams = le2me_32((h)->dwStreams); \
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(h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize); \
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(h)->dwWidth = le2me_32((h)->dwWidth); \
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(h)->dwHeight = le2me_32((h)->dwHeight); \
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}
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#define le2me_AVIStreamHeader(h) { \
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(h)->fccType = le2me_32((h)->fccType); \
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(h)->fccHandler = le2me_32((h)->fccHandler); \
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(h)->dwFlags = le2me_32((h)->dwFlags); \
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(h)->wPriority = le2me_16((h)->wPriority); \
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(h)->wLanguage = le2me_16((h)->wLanguage); \
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(h)->dwInitialFrames = le2me_32((h)->dwInitialFrames); \
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(h)->dwScale = le2me_32((h)->dwScale); \
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(h)->dwRate = le2me_32((h)->dwRate); \
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(h)->dwStart = le2me_32((h)->dwStart); \
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(h)->dwLength = le2me_32((h)->dwLength); \
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(h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize); \
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(h)->dwQuality = le2me_32((h)->dwQuality); \
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(h)->dwSampleSize = le2me_32((h)->dwSampleSize); \
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le2me_RECT(&(h)->rcFrame); \
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}
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#define le2me_RECT(h) { \
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(h)->left = le2me_16((h)->left); \
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(h)->top = le2me_16((h)->top); \
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(h)->right = le2me_16((h)->right); \
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(h)->bottom = le2me_16((h)->bottom); \
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}
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#define le2me_BITMAPINFOHEADER(h) { \
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(h)->biSize = le2me_32((h)->biSize); \
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(h)->biWidth = le2me_32((h)->biWidth); \
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(h)->biHeight = le2me_32((h)->biHeight); \
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(h)->biPlanes = le2me_16((h)->biPlanes); \
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(h)->biBitCount = le2me_16((h)->biBitCount); \
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(h)->biCompression = le2me_32((h)->biCompression); \
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(h)->biSizeImage = le2me_32((h)->biSizeImage); \
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(h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter); \
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(h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter); \
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(h)->biClrUsed = le2me_32((h)->biClrUsed); \
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(h)->biClrImportant = le2me_32((h)->biClrImportant); \
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}
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#define le2me_WAVEFORMATEX(h) { \
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(h)->wFormatTag = le2me_16((h)->wFormatTag); \
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(h)->nChannels = le2me_16((h)->nChannels); \
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(h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec); \
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(h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec); \
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(h)->nBlockAlign = le2me_16((h)->nBlockAlign); \
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(h)->wBitsPerSample = le2me_16((h)->wBitsPerSample); \
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(h)->cbSize = le2me_16((h)->cbSize); \
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}
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#define le2me_AVIINDEXENTRY(h) { \
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(h)->ckid = le2me_32((h)->ckid); \
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(h)->dwFlags = le2me_32((h)->dwFlags); \
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(h)->dwChunkOffset = le2me_32((h)->dwChunkOffset); \
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(h)->dwChunkLength = le2me_32((h)->dwChunkLength); \
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}
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#define le2me_AVISTDIDXCHUNK(h) {\
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char c; \
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c = (h)->fcc[0]; (h)->fcc[0] = (h)->fcc[3]; (h)->fcc[3] = c; \
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c = (h)->fcc[1]; (h)->fcc[1] = (h)->fcc[2]; (h)->fcc[2] = c; \
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(h)->dwSize = le2me_32((h)->dwSize); \
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(h)->wLongsPerEntry = le2me_16((h)->wLongsPerEntry); \
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(h)->nEntriesInUse = le2me_32((h)->nEntriesInUse); \
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c = (h)->dwChunkId[0]; (h)->dwChunkId[0] = (h)->dwChunkId[3]; (h)->dwChunkId[3] = c; \
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c = (h)->dwChunkId[1]; (h)->dwChunkId[1] = (h)->dwChunkId[2]; (h)->dwChunkId[2] = c; \
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(h)->qwBaseOffset = le2me_64((h)->qwBaseOffset); \
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(h)->dwReserved3 = le2me_32((h)->dwReserved3); \
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}
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#define le2me_AVISTDIDXENTRY(h) {\
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(h)->dwOffset = le2me_32((h)->dwOffset); \
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(h)->dwSize = le2me_32((h)->dwSize); \
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}
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#define le2me_VideoPropHeader(h) { \
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(h)->VideoFormatToken = le2me_32((h)->VideoFormatToken); \
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(h)->VideoStandard = le2me_32((h)->VideoStandard); \
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(h)->dwVerticalRefreshRate = le2me_32((h)->dwVerticalRefreshRate); \
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(h)->dwHTotalInT = le2me_32((h)->dwHTotalInT); \
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(h)->dwVTotalInLines = le2me_32((h)->dwVTotalInLines); \
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(h)->dwFrameAspectRatio = le2me_32((h)->dwFrameAspectRatio); \
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(h)->dwFrameWidthInPixels = le2me_32((h)->dwFrameWidthInPixels); \
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(h)->dwFrameHeightInLines = le2me_32((h)->dwFrameHeightInLines); \
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(h)->nbFieldPerFrame = le2me_32((h)->nbFieldPerFrame); \
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}
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#define le2me_VIDEO_FIELD_DESC(h) { \
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(h)->CompressedBMHeight = le2me_32((h)->CompressedBMHeight); \
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(h)->CompressedBMWidth = le2me_32((h)->CompressedBMWidth); \
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(h)->ValidBMHeight = le2me_32((h)->ValidBMHeight); \
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(h)->ValidBMWidth = le2me_32((h)->ValidBMWidth); \
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(h)->ValidBMXOffset = le2me_32((h)->ValidBMXOffset); \
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(h)->ValidBMYOffset = le2me_32((h)->ValidBMYOffset); \
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(h)->VideoXOffsetInT = le2me_32((h)->VideoXOffsetInT); \
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(h)->VideoYValidStartLine = le2me_32((h)->VideoYValidStartLine); \
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}
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#else
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#define le2me_MainAVIHeader(h) /**/
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#define le2me_AVIStreamHeader(h) /**/
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#define le2me_RECT(h) /**/
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#define le2me_BITMAPINFOHEADER(h) /**/
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#define le2me_WAVEFORMATEX(h) /**/
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#define le2me_AVIINDEXENTRY(h) /**/
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#define le2me_AVISTDIDXCHUNK(h) /**/
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#define le2me_AVISTDIDXENTRY(h) /**/
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#define le2me_VideoPropHeader(h) /**/
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#define le2me_VIDEO_FIELD_DESC(h) /**/
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#endif
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typedef struct {
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// index stuff:
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void* idx;
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int idx_size;
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off_t idx_pos;
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off_t idx_pos_a;
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off_t idx_pos_v;
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off_t idx_offset; // ennyit kell hozzaadni az index offset ertekekhez
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// bps-based PTS stuff:
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int video_pack_no;
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int audio_block_size;
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off_t audio_block_no;
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// interleaved PTS stuff:
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int skip_video_frames;
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int audio_streams;
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float avi_audio_pts;
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float avi_video_pts;
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float pts_correction;
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unsigned int pts_corr_bytes;
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unsigned char pts_corrected;
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unsigned char pts_has_video;
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unsigned int numberofframes;
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avisuperindex_chunk *suidx;
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int suidx_size;
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int isodml;
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} avi_priv_t;
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#define AVI_PRIV ((avi_priv_t*)(demuxer->priv))
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#define AVI_IDX_OFFSET(x) ((((uint64_t)(x)->dwFlags&0xffff0000)<<16)+(x)->dwChunkOffset)
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#endif /* _aviheader_h */
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