libmpdemux/aviheader.h

   1 #ifndef MPLAYER_AVIHEADER_H
   2 #define MPLAYER_AVIHEADER_H
   3
   4 #include <sys/types.h>
   5 #include <stdint.h>
   6 #include "config.h"     /* get correct definition of WORDS_BIGENDIAN */
   7 #include "libavutil/common.h"
   8 #include "mpbswap.h"
   9
  10 #ifndef mmioFOURCC
  11 #define mmioFOURCC( ch0, ch1, ch2, ch3 )                                \
  12                 ( (uint32_t)(uint8_t)(ch0) | ( (uint32_t)(uint8_t)(ch1) << 8 ) |        \
  13                 ( (uint32_t)(uint8_t)(ch2) << 16 ) | ( (uint32_t)(uint8_t)(ch3) << 24 ) )
  14 #endif
  15
  16 /* Macro to make a TWOCC out of two characters */
  17 #ifndef aviTWOCC
  18 #define aviTWOCC(ch0, ch1) ((uint16_t)(uint8_t)(ch0) | ((uint16_t)(uint8_t)(ch1) << 8))
  19 #endif
  20
  21 //typedef uint16_t TWOCC;
  22 //typedef uint32_t FOURCC;
  23
  24 /* form types, list types, and chunk types */
  25 #define formtypeAVI             mmioFOURCC('A', 'V', 'I', ' ')
  26 #define listtypeAVIHEADER       mmioFOURCC('h', 'd', 'r', 'l')
  27 #define ckidAVIMAINHDR          mmioFOURCC('a', 'v', 'i', 'h')
  28 #define listtypeSTREAMHEADER    mmioFOURCC('s', 't', 'r', 'l')
  29 #define ckidSTREAMHEADER        mmioFOURCC('s', 't', 'r', 'h')
  30 #define ckidSTREAMFORMAT        mmioFOURCC('s', 't', 'r', 'f')
  31 #define ckidSTREAMHANDLERDATA   mmioFOURCC('s', 't', 'r', 'd')
  32 #define ckidSTREAMNAME          mmioFOURCC('s', 't', 'r', 'n')
  33
  34 #define listtypeAVIMOVIE        mmioFOURCC('m', 'o', 'v', 'i')
  35 #define listtypeAVIRECORD       mmioFOURCC('r', 'e', 'c', ' ')
  36
  37 #define ckidAVINEWINDEX         mmioFOURCC('i', 'd', 'x', '1')
  38
  39 /*
  40 ** Stream types for the <fccType> field of the stream header.
  41 */
  42 #define streamtypeVIDEO         mmioFOURCC('v', 'i', 'd', 's')
  43 #define streamtypeAUDIO         mmioFOURCC('a', 'u', 'd', 's')
  44 #define streamtypeMIDI          mmioFOURCC('m', 'i', 'd', 's')
  45 #define streamtypeTEXT          mmioFOURCC('t', 'x', 't', 's')
  46
  47 /* Basic chunk types */
  48 #define cktypeDIBbits           aviTWOCC('d', 'b')
  49 #define cktypeDIBcompressed     aviTWOCC('d', 'c')
  50 #define cktypePALchange         aviTWOCC('p', 'c')
  51 #define cktypeWAVEbytes         aviTWOCC('w', 'b')
  52
  53 /* Chunk id to use for extra chunks for padding. */
  54 #define ckidAVIPADDING          mmioFOURCC('J', 'U', 'N', 'K')
  55
  56 /* flags for use in <dwFlags> in AVIFileHdr */
  57 #define AVIF_HASINDEX           0x00000010      // Index at end of file?
  58 #define AVIF_MUSTUSEINDEX       0x00000020
  59 #define AVIF_ISINTERLEAVED      0x00000100
  60 #define AVIF_TRUSTCKTYPE        0x00000800      // Use CKType to find key frames?
  61 #define AVIF_WASCAPTUREFILE     0x00010000
  62 #define AVIF_COPYRIGHTED        0x00020000
  63
  64 typedef struct
  65 {
  66     uint32_t            dwMicroSecPerFrame;     // frame display rate (or 0L)
  67     uint32_t            dwMaxBytesPerSec;       // max. transfer rate
  68     uint32_t            dwPaddingGranularity;   // pad to multiples of this
  69                                                 // size; normally 2K.
  70     uint32_t            dwFlags;                // the ever-present flags
  71     uint32_t            dwTotalFrames;          // # frames in file
  72     uint32_t            dwInitialFrames;
  73     uint32_t            dwStreams;
  74     uint32_t            dwSuggestedBufferSize;
  75
  76     uint32_t            dwWidth;
  77     uint32_t            dwHeight;
  78
  79     uint32_t            dwReserved[4];
  80 } MainAVIHeader;
  81
  82 typedef struct rectangle_t {
  83     short  left;
  84     short  top;
  85     short  right;
  86     short  bottom;
  87 } rectangle_t;
  88
  89 typedef struct {
  90     uint32_t            fccType;
  91     uint32_t            fccHandler;
  92     uint32_t            dwFlags;        /* Contains AVITF_* flags */
  93     uint16_t            wPriority;
  94     uint16_t            wLanguage;
  95     uint32_t            dwInitialFrames;
  96     uint32_t            dwScale;
  97     uint32_t            dwRate; /* dwRate / dwScale == samples/second */
  98     uint32_t            dwStart;
  99     uint32_t            dwLength; /* In units above... */
 100     uint32_t            dwSuggestedBufferSize;
 101     uint32_t            dwQuality;
 102     uint32_t            dwSampleSize;
 103     rectangle_t         rcFrame;
 104 } AVIStreamHeader;
 105
 106 /* Flags for index */
 107 #define AVIIF_LIST          0x00000001L // chunk is a 'LIST'
 108 #define AVIIF_KEYFRAME      0x00000010L // this frame is a key frame.
 109
 110 #define AVIIF_NOTIME        0x00000100L // this frame doesn't take any time
 111 #define AVIIF_COMPUSE       0x0FFF0000L // these bits are for compressor use
 112
 113 #define FOURCC_RIFF     mmioFOURCC('R', 'I', 'F', 'F')
 114 #define FOURCC_LIST     mmioFOURCC('L', 'I', 'S', 'T')
 115
 116 typedef struct
 117 {
 118     uint32_t            ckid;
 119     uint32_t            dwFlags;
 120     uint32_t            dwChunkOffset;          // Position of chunk
 121     uint32_t            dwChunkLength;          // Length of chunk
 122 } AVIINDEXENTRY;
 123
 124
 125 typedef struct avisuperindex_entry {
 126     uint64_t qwOffset;           // absolute file offset
 127     uint32_t dwSize;             // size of index chunk at this offset
 128     uint32_t dwDuration;         // time span in stream ticks
 129 } avisuperindex_entry;
 130
 131 typedef struct avistdindex_entry {
 132     uint32_t dwOffset;           // qwBaseOffset + this is absolute file offset
 133     uint32_t dwSize;             // bit 31 is set if this is NOT a keyframe
 134 } avistdindex_entry;
 135
 136 // Standard index
 137 typedef struct __attribute__((packed)) avistdindex_chunk {
 138     char           fcc[4];       // ix##
 139     uint32_t  dwSize;            // size of this chunk
 140     uint16_t wLongsPerEntry;     // must be sizeof(aIndex[0])/sizeof(DWORD)
 141     uint8_t  bIndexSubType;      // must be 0
 142     uint8_t  bIndexType;         // must be AVI_INDEX_OF_CHUNKS
 143     uint32_t  nEntriesInUse;     // first unused entry
 144     char           dwChunkId[4]; // '##dc' or '##db' or '##wb' etc..
 145     uint64_t qwBaseOffset;       // all dwOffsets in aIndex array are relative to this
 146     uint32_t  dwReserved3;       // must be 0
 147     avistdindex_entry *aIndex;   // the actual frames
 148 } avistdindex_chunk;
 149
 150
 151 // Base Index Form 'indx'
 152 typedef struct avisuperindex_chunk {
 153     char           fcc[4];
 154     uint32_t  dwSize;                // size of this chunk
 155     uint16_t wLongsPerEntry;         // size of each entry in aIndex array (must be 4*4 for us)
 156     uint8_t  bIndexSubType;          // future use. must be 0
 157     uint8_t  bIndexType;             // one of AVI_INDEX_* codes
 158     uint32_t  nEntriesInUse;         // index of first unused member in aIndex array
 159     char       dwChunkId[4];         // fcc of what is indexed
 160     uint32_t  dwReserved[3];         // meaning differs for each index type/subtype.
 161                                      // 0 if unused
 162     avisuperindex_entry *aIndex;     // position of ix## chunks
 163     avistdindex_chunk *stdidx;       // the actual std indices
 164 } avisuperindex_chunk;
 165
 166 typedef struct {
 167         uint32_t CompressedBMHeight;
 168         uint32_t CompressedBMWidth;
 169         uint32_t ValidBMHeight;
 170         uint32_t ValidBMWidth;
 171         uint32_t ValidBMXOffset;
 172         uint32_t ValidBMYOffset;
 173         uint32_t VideoXOffsetInT;
 174         uint32_t VideoYValidStartLine;
 175 } VIDEO_FIELD_DESC;
 176
 177 typedef struct {
 178         uint32_t VideoFormatToken;
 179         uint32_t VideoStandard;
 180         uint32_t dwVerticalRefreshRate;
 181         uint32_t dwHTotalInT;
 182         uint32_t dwVTotalInLines;
 183         uint32_t dwFrameAspectRatio;
 184         uint32_t dwFrameWidthInPixels;
 185         uint32_t dwFrameHeightInLines;
 186         uint32_t nbFieldPerFrame;
 187         VIDEO_FIELD_DESC FieldInfo[2];
 188 } VideoPropHeader;
 189
 190 typedef enum {
 191         FORMAT_UNKNOWN,
 192         FORMAT_PAL_SQUARE,
 193         FORMAT_PAL_CCIR_601,
 194         FORMAT_NTSC_SQUARE,
 195         FORMAT_NTSC_CCIR_601,
 196 } VIDEO_FORMAT;
 197
 198 typedef enum {
 199         STANDARD_UNKNOWN,
 200         STANDARD_PAL,
 201         STANDARD_NTSC,
 202         STANDARD_SECAM
 203 } VIDEO_STANDARD;
 204
 205 #define MAKE_AVI_ASPECT(a, b) (((a)<<16)|(b))
 206 #define GET_AVI_ASPECT(a) ((float)((a)>>16)/(float)((a)&0xffff))
 207
 208 /*
 209  * Some macros to swap little endian structures read from an AVI file
 210  * into machine endian format
 211  */
 212 #ifdef WORDS_BIGENDIAN
 213 #define le2me_MainAVIHeader(h) {                                        \
 214     (h)->dwMicroSecPerFrame = le2me_32((h)->dwMicroSecPerFrame);        \
 215     (h)->dwMaxBytesPerSec = le2me_32((h)->dwMaxBytesPerSec);            \
 216     (h)->dwPaddingGranularity = le2me_32((h)->dwPaddingGranularity);    \
 217     (h)->dwFlags = le2me_32((h)->dwFlags);                              \
 218     (h)->dwTotalFrames = le2me_32((h)->dwTotalFrames);                  \
 219     (h)->dwInitialFrames = le2me_32((h)->dwInitialFrames);              \
 220     (h)->dwStreams = le2me_32((h)->dwStreams);                          \
 221     (h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize);  \
 222     (h)->dwWidth = le2me_32((h)->dwWidth);                              \
 223     (h)->dwHeight = le2me_32((h)->dwHeight);                            \
 224 }
 225
 226 #define le2me_AVIStreamHeader(h) {                                      \
 227     (h)->fccType = le2me_32((h)->fccType);                              \
 228     (h)->fccHandler = le2me_32((h)->fccHandler);                        \
 229     (h)->dwFlags = le2me_32((h)->dwFlags);                              \
 230     (h)->wPriority = le2me_16((h)->wPriority);                          \
 231     (h)->wLanguage = le2me_16((h)->wLanguage);                          \
 232     (h)->dwInitialFrames = le2me_32((h)->dwInitialFrames);              \
 233     (h)->dwScale = le2me_32((h)->dwScale);                              \
 234     (h)->dwRate = le2me_32((h)->dwRate);                                \
 235     (h)->dwStart = le2me_32((h)->dwStart);                              \
 236     (h)->dwLength = le2me_32((h)->dwLength);                            \
 237     (h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize);  \
 238     (h)->dwQuality = le2me_32((h)->dwQuality);                          \
 239     (h)->dwSampleSize = le2me_32((h)->dwSampleSize);                    \
 240     le2me_RECT(&(h)->rcFrame);                                          \
 241 }
 242 #define le2me_RECT(h) {                                                 \
 243     (h)->left = le2me_16((h)->left);                                    \
 244     (h)->top = le2me_16((h)->top);                                      \
 245     (h)->right = le2me_16((h)->right);                                  \
 246     (h)->bottom = le2me_16((h)->bottom);                                \
 247 }
 248 #define le2me_BITMAPINFOHEADER(h) {                                     \
 249     (h)->biSize = le2me_32((h)->biSize);                                \
 250     (h)->biWidth = le2me_32((h)->biWidth);                              \
 251     (h)->biHeight = le2me_32((h)->biHeight);                            \
 252     (h)->biPlanes = le2me_16((h)->biPlanes);                            \
 253     (h)->biBitCount = le2me_16((h)->biBitCount);                        \
 254     (h)->biCompression = le2me_32((h)->biCompression);                  \
 255     (h)->biSizeImage = le2me_32((h)->biSizeImage);                      \
 256     (h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter);              \
 257     (h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter);              \
 258     (h)->biClrUsed = le2me_32((h)->biClrUsed);                          \
 259     (h)->biClrImportant = le2me_32((h)->biClrImportant);                \
 260 }
 261 #define le2me_WAVEFORMATEX(h) {                                         \
 262     (h)->wFormatTag = le2me_16((h)->wFormatTag);                        \
 263     (h)->nChannels = le2me_16((h)->nChannels);                          \
 264     (h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec);                \
 265     (h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec);              \
 266     (h)->nBlockAlign = le2me_16((h)->nBlockAlign);                      \
 267     (h)->wBitsPerSample = le2me_16((h)->wBitsPerSample);                \
 268     (h)->cbSize = le2me_16((h)->cbSize);                                \
 269 }
 270 #define le2me_AVIINDEXENTRY(h) {                                        \
 271     (h)->ckid = le2me_32((h)->ckid);                                    \
 272     (h)->dwFlags = le2me_32((h)->dwFlags);                              \
 273     (h)->dwChunkOffset = le2me_32((h)->dwChunkOffset);                  \
 274     (h)->dwChunkLength = le2me_32((h)->dwChunkLength);                  \
 275 }
 276 #define le2me_AVISTDIDXCHUNK(h) {\
 277     char c; \
 278     c = (h)->fcc[0]; (h)->fcc[0] = (h)->fcc[3]; (h)->fcc[3] = c;  \
 279     c = (h)->fcc[1]; (h)->fcc[1] = (h)->fcc[2]; (h)->fcc[2] = c;  \
 280     (h)->dwSize = le2me_32((h)->dwSize);  \
 281     (h)->wLongsPerEntry = le2me_16((h)->wLongsPerEntry);  \
 282     (h)->nEntriesInUse = le2me_32((h)->nEntriesInUse);  \
 283     c = (h)->dwChunkId[0]; (h)->dwChunkId[0] = (h)->dwChunkId[3]; (h)->dwChunkId[3] = c;  \
 284     c = (h)->dwChunkId[1]; (h)->dwChunkId[1] = (h)->dwChunkId[2]; (h)->dwChunkId[2] = c;  \
 285     (h)->qwBaseOffset = le2me_64((h)->qwBaseOffset);  \
 286     (h)->dwReserved3 = le2me_32((h)->dwReserved3);  \
 287 }
 288 #define le2me_AVISTDIDXENTRY(h)  {\
 289     (h)->dwOffset = le2me_32((h)->dwOffset);  \
 290     (h)->dwSize = le2me_32((h)->dwSize);  \
 291 }
 292 #define le2me_VideoPropHeader(h) {                                      \
 293     (h)->VideoFormatToken = le2me_32((h)->VideoFormatToken);            \
 294     (h)->VideoStandard = le2me_32((h)->VideoStandard);                  \
 295     (h)->dwVerticalRefreshRate = le2me_32((h)->dwVerticalRefreshRate);  \
 296     (h)->dwHTotalInT = le2me_32((h)->dwHTotalInT);                      \
 297     (h)->dwVTotalInLines = le2me_32((h)->dwVTotalInLines);              \
 298     (h)->dwFrameAspectRatio = le2me_32((h)->dwFrameAspectRatio);        \
 299     (h)->dwFrameWidthInPixels = le2me_32((h)->dwFrameWidthInPixels);    \
 300     (h)->dwFrameHeightInLines = le2me_32((h)->dwFrameHeightInLines);    \
 301     (h)->nbFieldPerFrame = le2me_32((h)->nbFieldPerFrame);              \
 302 }
 303 #define le2me_VIDEO_FIELD_DESC(h) {                                     \
 304     (h)->CompressedBMHeight = le2me_32((h)->CompressedBMHeight);        \
 305     (h)->CompressedBMWidth = le2me_32((h)->CompressedBMWidth);          \
 306     (h)->ValidBMHeight = le2me_32((h)->ValidBMHeight);                  \
 307     (h)->ValidBMWidth = le2me_32((h)->ValidBMWidth);                    \
 308     (h)->ValidBMXOffset = le2me_32((h)->ValidBMXOffset);                \
 309     (h)->ValidBMYOffset = le2me_32((h)->ValidBMYOffset);                \
 310     (h)->VideoXOffsetInT = le2me_32((h)->VideoXOffsetInT);              \
 311     (h)->VideoYValidStartLine = le2me_32((h)->VideoYValidStartLine);    \
 312 }
 313
 314 #else
 315 #define le2me_MainAVIHeader(h)      /**/
 316 #define le2me_AVIStreamHeader(h)    /**/
 317 #define le2me_RECT(h)               /**/
 318 #define le2me_BITMAPINFOHEADER(h)   /**/
 319 #define le2me_WAVEFORMATEX(h)       /**/
 320 #define le2me_AVIINDEXENTRY(h)      /**/
 321 #define le2me_AVISTDIDXCHUNK(h)     /**/
 322 #define le2me_AVISTDIDXENTRY(h)     /**/
 323 #define le2me_VideoPropHeader(h)    /**/
 324 #define le2me_VIDEO_FIELD_DESC(h)   /**/
 325 #endif
 326
 327 typedef struct {
 328   // index stuff:
 329   void* idx;
 330   int idx_size;
 331   off_t idx_pos;
 332   off_t idx_pos_a;
 333   off_t idx_pos_v;
 334   off_t idx_offset;  // ennyit kell hozzaadni az index offset ertekekhez
 335   // bps-based PTS stuff:
 336   int video_pack_no;
 337   int audio_block_size;
 338   off_t audio_block_no;
 339   // interleaved PTS stuff:
 340   int skip_video_frames;
 341   int audio_streams;
 342   float avi_audio_pts;
 343   float avi_video_pts;
 344   float pts_correction;
 345   unsigned int pts_corr_bytes;
 346   unsigned char pts_corrected;
 347   unsigned char pts_has_video;
 348   unsigned int numberofframes;
 349   avisuperindex_chunk *suidx;
 350   int suidx_size;
 351   int isodml;
 352 } avi_priv_t;
 353
 354 #define AVI_PRIV ((avi_priv_t*)(demuxer->priv))
 355
 356 #define AVI_IDX_OFFSET(x) ((((uint64_t)(x)->dwFlags&0xffff0000)<<16)+(x)->dwChunkOffset)
 357
 358 #endif /* MPLAYER_AVIHEADER_H */