/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MPLAYER_AVIHEADER_H #define MPLAYER_AVIHEADER_H #include #include #include "config.h" #include "libavutil/common.h" #include "compat/mpbswap.h" #ifndef mmioFOURCC #define mmioFOURCC( ch0, ch1, ch2, ch3 ) \ ( (uint32_t)(uint8_t)(ch0) | ( (uint32_t)(uint8_t)(ch1) << 8 ) | \ ( (uint32_t)(uint8_t)(ch2) << 16 ) | ( (uint32_t)(uint8_t)(ch3) << 24 ) ) #endif /* Macro to make a TWOCC out of two characters */ #ifndef aviTWOCC #define aviTWOCC(ch0, ch1) ((uint16_t)(uint8_t)(ch0) | ((uint16_t)(uint8_t)(ch1) << 8)) #endif //typedef uint16_t TWOCC; //typedef uint32_t FOURCC; /* form types, list types, and chunk types */ #define formtypeAVI mmioFOURCC('A', 'V', 'I', ' ') #define listtypeAVIHEADER mmioFOURCC('h', 'd', 'r', 'l') #define ckidAVIMAINHDR mmioFOURCC('a', 'v', 'i', 'h') #define listtypeSTREAMHEADER mmioFOURCC('s', 't', 'r', 'l') #define ckidSTREAMHEADER mmioFOURCC('s', 't', 'r', 'h') #define ckidSTREAMFORMAT mmioFOURCC('s', 't', 'r', 'f') #define ckidSTREAMHANDLERDATA mmioFOURCC('s', 't', 'r', 'd') #define ckidSTREAMNAME mmioFOURCC('s', 't', 'r', 'n') #define listtypeAVIMOVIE mmioFOURCC('m', 'o', 'v', 'i') #define listtypeAVIRECORD mmioFOURCC('r', 'e', 'c', ' ') #define ckidAVINEWINDEX mmioFOURCC('i', 'd', 'x', '1') /* ** Stream types for the field of the stream header. */ #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') /* Basic chunk types */ #define cktypeDIBbits aviTWOCC('d', 'b') #define cktypeDIBcompressed aviTWOCC('d', 'c') #define cktypePALchange aviTWOCC('p', 'c') #define cktypeWAVEbytes aviTWOCC('w', 'b') /* Chunk id to use for extra chunks for padding. */ #define ckidAVIPADDING mmioFOURCC('J', 'U', 'N', 'K') /* flags for use in in AVIFileHdr */ #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 typedef struct { uint32_t dwMicroSecPerFrame; // frame display rate (or 0L) uint32_t dwMaxBytesPerSec; // max. transfer rate uint32_t dwPaddingGranularity; // pad to multiples of this // size; normally 2K. uint32_t dwFlags; // the ever-present flags uint32_t dwTotalFrames; // # frames in file uint32_t dwInitialFrames; uint32_t dwStreams; uint32_t dwSuggestedBufferSize; uint32_t dwWidth; uint32_t dwHeight; uint32_t dwReserved[4]; } MainAVIHeader; typedef struct rectangle_t { short left; short top; short right; short bottom; } rectangle_t; typedef struct { uint32_t fccType; uint32_t fccHandler; uint32_t dwFlags; /* Contains AVITF_* flags */ uint16_t wPriority; uint16_t wLanguage; uint32_t dwInitialFrames; uint32_t dwScale; uint32_t dwRate; /* dwRate / dwScale == samples/second */ uint32_t dwStart; uint32_t dwLength; /* In units above... */ uint32_t dwSuggestedBufferSize; uint32_t dwQuality; uint32_t dwSampleSize; rectangle_t rcFrame; } AVIStreamHeader; /* Flags for index */ #define AVIIF_LIST 0x00000001L // chunk is a 'LIST' #define AVIIF_KEYFRAME 0x00000010L // this frame is a key frame. #define AVIIF_NOTIME 0x00000100L // this frame doesn't take any time #define AVIIF_COMPUSE 0x0FFF0000L // these bits are for compressor use #ifndef FOURCC_RIFF #define FOURCC_RIFF mmioFOURCC('R', 'I', 'F', 'F') #define FOURCC_LIST mmioFOURCC('L', 'I', 'S', 'T') #endif typedef struct { uint32_t ckid; uint32_t dwFlags; uint32_t dwChunkOffset; // Position of chunk uint32_t dwChunkLength; // Length of chunk } AVIINDEXENTRY; typedef struct avisuperindex_entry { uint64_t qwOffset; // absolute file offset uint32_t dwSize; // size of index chunk at this offset uint32_t dwDuration; // time span in stream ticks } avisuperindex_entry; typedef struct avistdindex_entry { uint32_t dwOffset; // qwBaseOffset + this is absolute file offset uint32_t dwSize; // bit 31 is set if this is NOT a keyframe } avistdindex_entry; // Standard index typedef struct __attribute__((packed)) avistdindex_chunk { char fcc[4]; // ix## uint32_t dwSize; // size of this chunk uint16_t wLongsPerEntry; // must be sizeof(aIndex[0])/sizeof(DWORD) uint8_t bIndexSubType; // must be 0 uint8_t bIndexType; // must be AVI_INDEX_OF_CHUNKS uint32_t nEntriesInUse; // first unused entry char dwChunkId[4]; // '##dc' or '##db' or '##wb' etc.. uint64_t qwBaseOffset; // all dwOffsets in aIndex array are relative to this uint32_t dwReserved3; // must be 0 avistdindex_entry *aIndex; // the actual frames } avistdindex_chunk; // Base Index Form 'indx' typedef struct avisuperindex_chunk { char fcc[4]; uint32_t dwSize; // size of this chunk uint16_t wLongsPerEntry; // size of each entry in aIndex array (must be 4*4 for us) uint8_t bIndexSubType; // future use. must be 0 uint8_t bIndexType; // one of AVI_INDEX_* codes uint32_t nEntriesInUse; // index of first unused member in aIndex array char dwChunkId[4]; // fcc of what is indexed uint32_t dwReserved[3]; // meaning differs for each index type/subtype. // 0 if unused avisuperindex_entry *aIndex; // position of ix## chunks avistdindex_chunk *stdidx; // the actual std indices } avisuperindex_chunk; typedef struct { uint32_t CompressedBMHeight; uint32_t CompressedBMWidth; uint32_t ValidBMHeight; uint32_t ValidBMWidth; uint32_t ValidBMXOffset; uint32_t ValidBMYOffset; uint32_t VideoXOffsetInT; uint32_t VideoYValidStartLine; } VIDEO_FIELD_DESC; typedef struct { uint32_t VideoFormatToken; uint32_t VideoStandard; uint32_t dwVerticalRefreshRate; uint32_t dwHTotalInT; uint32_t dwVTotalInLines; uint32_t dwFrameAspectRatio; uint32_t dwFrameWidthInPixels; uint32_t dwFrameHeightInLines; uint32_t nbFieldPerFrame; VIDEO_FIELD_DESC FieldInfo[2]; } VideoPropHeader; typedef enum { FORMAT_UNKNOWN, FORMAT_PAL_SQUARE, FORMAT_PAL_CCIR_601, FORMAT_NTSC_SQUARE, FORMAT_NTSC_CCIR_601, } VIDEO_FORMAT; typedef enum { STANDARD_UNKNOWN, STANDARD_PAL, STANDARD_NTSC, STANDARD_SECAM } VIDEO_STANDARD; #define MAKE_AVI_ASPECT(a, b) (((a)<<16)|(b)) #define GET_AVI_ASPECT(a) ((float)((a)>>16)/(float)((a)&0xffff)) /* * Some macros to swap little endian structures read from an AVI file * into machine endian format */ #if BYTE_ORDER == BIG_ENDIAN #define le2me_MainAVIHeader(h) { \ (h)->dwMicroSecPerFrame = le2me_32((h)->dwMicroSecPerFrame); \ (h)->dwMaxBytesPerSec = le2me_32((h)->dwMaxBytesPerSec); \ (h)->dwPaddingGranularity = le2me_32((h)->dwPaddingGranularity); \ (h)->dwFlags = le2me_32((h)->dwFlags); \ (h)->dwTotalFrames = le2me_32((h)->dwTotalFrames); \ (h)->dwInitialFrames = le2me_32((h)->dwInitialFrames); \ (h)->dwStreams = le2me_32((h)->dwStreams); \ (h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize); \ (h)->dwWidth = le2me_32((h)->dwWidth); \ (h)->dwHeight = le2me_32((h)->dwHeight); \ } #define le2me_AVIStreamHeader(h) { \ (h)->fccType = le2me_32((h)->fccType); \ (h)->fccHandler = le2me_32((h)->fccHandler); \ (h)->dwFlags = le2me_32((h)->dwFlags); \ (h)->wPriority = le2me_16((h)->wPriority); \ (h)->wLanguage = le2me_16((h)->wLanguage); \ (h)->dwInitialFrames = le2me_32((h)->dwInitialFrames); \ (h)->dwScale = le2me_32((h)->dwScale); \ (h)->dwRate = le2me_32((h)->dwRate); \ (h)->dwStart = le2me_32((h)->dwStart); \ (h)->dwLength = le2me_32((h)->dwLength); \ (h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize); \ (h)->dwQuality = le2me_32((h)->dwQuality); \ (h)->dwSampleSize = le2me_32((h)->dwSampleSize); \ le2me_RECT(&(h)->rcFrame); \ } #define le2me_RECT(h) { \ (h)->left = le2me_16((h)->left); \ (h)->top = le2me_16((h)->top); \ (h)->right = le2me_16((h)->right); \ (h)->bottom = le2me_16((h)->bottom); \ } #define le2me_BITMAPINFOHEADER(h) { \ (h)->biSize = le2me_32((h)->biSize); \ (h)->biWidth = le2me_32((h)->biWidth); \ (h)->biHeight = le2me_32((h)->biHeight); \ (h)->biPlanes = le2me_16((h)->biPlanes); \ (h)->biBitCount = le2me_16((h)->biBitCount); \ (h)->biCompression = le2me_32((h)->biCompression); \ (h)->biSizeImage = le2me_32((h)->biSizeImage); \ (h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter); \ (h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter); \ (h)->biClrUsed = le2me_32((h)->biClrUsed); \ (h)->biClrImportant = le2me_32((h)->biClrImportant); \ } #define le2me_WAVEFORMATEX(h) { \ (h)->wFormatTag = le2me_16((h)->wFormatTag); \ (h)->nChannels = le2me_16((h)->nChannels); \ (h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec); \ (h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec); \ (h)->nBlockAlign = le2me_16((h)->nBlockAlign); \ (h)->wBitsPerSample = le2me_16((h)->wBitsPerSample); \ (h)->cbSize = le2me_16((h)->cbSize); \ } #define le2me_AVIINDEXENTRY(h) { \ (h)->ckid = le2me_32((h)->ckid); \ (h)->dwFlags = le2me_32((h)->dwFlags); \ (h)->dwChunkOffset = le2me_32((h)->dwChunkOffset); \ (h)->dwChunkLength = le2me_32((h)->dwChunkLength); \ } #define le2me_AVISTDIDXCHUNK(h) {\ char c; \ c = (h)->fcc[0]; (h)->fcc[0] = (h)->fcc[3]; (h)->fcc[3] = c; \ c = (h)->fcc[1]; (h)->fcc[1] = (h)->fcc[2]; (h)->fcc[2] = c; \ (h)->dwSize = le2me_32((h)->dwSize); \ (h)->wLongsPerEntry = le2me_16((h)->wLongsPerEntry); \ (h)->nEntriesInUse = le2me_32((h)->nEntriesInUse); \ c = (h)->dwChunkId[0]; (h)->dwChunkId[0] = (h)->dwChunkId[3]; (h)->dwChunkId[3] = c; \ c = (h)->dwChunkId[1]; (h)->dwChunkId[1] = (h)->dwChunkId[2]; (h)->dwChunkId[2] = c; \ (h)->qwBaseOffset = le2me_64((h)->qwBaseOffset); \ (h)->dwReserved3 = le2me_32((h)->dwReserved3); \ } #define le2me_AVISTDIDXENTRY(h) {\ (h)->dwOffset = le2me_32((h)->dwOffset); \ (h)->dwSize = le2me_32((h)->dwSize); \ } #define le2me_VideoPropHeader(h) { \ (h)->VideoFormatToken = le2me_32((h)->VideoFormatToken); \ (h)->VideoStandard = le2me_32((h)->VideoStandard); \ (h)->dwVerticalRefreshRate = le2me_32((h)->dwVerticalRefreshRate); \ (h)->dwHTotalInT = le2me_32((h)->dwHTotalInT); \ (h)->dwVTotalInLines = le2me_32((h)->dwVTotalInLines); \ (h)->dwFrameAspectRatio = le2me_32((h)->dwFrameAspectRatio); \ (h)->dwFrameWidthInPixels = le2me_32((h)->dwFrameWidthInPixels); \ (h)->dwFrameHeightInLines = le2me_32((h)->dwFrameHeightInLines); \ (h)->nbFieldPerFrame = le2me_32((h)->nbFieldPerFrame); \ } #define le2me_VIDEO_FIELD_DESC(h) { \ (h)->CompressedBMHeight = le2me_32((h)->CompressedBMHeight); \ (h)->CompressedBMWidth = le2me_32((h)->CompressedBMWidth); \ (h)->ValidBMHeight = le2me_32((h)->ValidBMHeight); \ (h)->ValidBMWidth = le2me_32((h)->ValidBMWidth); \ (h)->ValidBMXOffset = le2me_32((h)->ValidBMXOffset); \ (h)->ValidBMYOffset = le2me_32((h)->ValidBMYOffset); \ (h)->VideoXOffsetInT = le2me_32((h)->VideoXOffsetInT); \ (h)->VideoYValidStartLine = le2me_32((h)->VideoYValidStartLine); \ } #else #define le2me_MainAVIHeader(h) /**/ #define le2me_AVIStreamHeader(h) /**/ #define le2me_RECT(h) /**/ #define le2me_BITMAPINFOHEADER(h) /**/ #define le2me_WAVEFORMATEX(h) /**/ #define le2me_AVIINDEXENTRY(h) /**/ #define le2me_AVISTDIDXCHUNK(h) /**/ #define le2me_AVISTDIDXENTRY(h) /**/ #define le2me_VideoPropHeader(h) /**/ #define le2me_VIDEO_FIELD_DESC(h) /**/ #endif typedef struct { // index stuff: void* idx; int idx_size; off_t idx_pos; off_t idx_pos_a; off_t idx_pos_v; off_t idx_offset; // ennyit kell hozzaadni az index offset ertekekhez // bps-based PTS stuff: int video_pack_no; int audio_block_size; off_t audio_block_no; // interleaved PTS stuff: int skip_video_frames; int audio_streams; float avi_audio_pts; float avi_video_pts; float pts_correction; unsigned int pts_corr_bytes; unsigned char pts_corrected; unsigned char pts_has_video; unsigned int numberofframes; avisuperindex_chunk *suidx; int suidx_size; int isodml; int warned_unaligned; } avi_priv_t; #define AVI_PRIV ((avi_priv_t*)(demuxer->priv)) #define AVI_IDX_OFFSET(x) ((((uint64_t)(x)->dwFlags&0xffff0000)<<16)+(x)->dwChunkOffset) struct demuxer; void read_avi_header(struct demuxer *demuxer, int index_mode); #endif /* MPLAYER_AVIHEADER_H */