git.sesse.net Git - vlc/blob - modules/demux/avi/libavi.h

   1 /*****************************************************************************
   2  * libavi.h : LibAVI library
   3  ******************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: libavi.h,v 1.8 2003/03/13 16:09:20 hartman Exp $
   6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  21  *****************************************************************************/
  22
  23 #include "codecs.h"                                      /* BITMAPINFOHEADER */
  24
  25 /* flags for use in <dwFlags> in AVIFileHdr */
  26 #define AVIF_HASINDEX       0x00000010  /* Index at end of file? */
  27 #define AVIF_MUSTUSEINDEX   0x00000020
  28 #define AVIF_ISINTERLEAVED  0x00000100
  29 #define AVIF_TRUSTCKTYPE    0x00000800  /* Use CKType to find key frames? */
  30 #define AVIF_WASCAPTUREFILE 0x00010000
  31 #define AVIF_COPYRIGHTED    0x00020000
  32
  33 /* Flags for index */
  34 #define AVIIF_LIST          0x00000001L /* chunk is a 'LIST' */
  35 #define AVIIF_KEYFRAME      0x00000010L /* this frame is a key frame.*/
  36 #define AVIIF_NOTIME        0x00000100L /* this frame doesn't take any time */
  37 #define AVIIF_COMPUSE       0x0FFF0000L /* these bits are for compressor use */
  38
  39 #define AVIIF_FIXKEYFRAME   0x00001000L /* invented; used to say that
  40                                            the keyframe flag isn't a true flag
  41                                            but have to be verified */
  42
  43     /* *** avi stuff *** */
  44
  45 #define AVIFOURCC_RIFF         VLC_FOURCC('R','I','F','F')
  46 #define AVIFOURCC_LIST         VLC_FOURCC('L','I','S','T')
  47 #define AVIFOURCC_JUNK         VLC_FOURCC('J','U','N','K')
  48 #define AVIFOURCC_AVI          VLC_FOURCC('A','V','I',' ')
  49 #define AVIFOURCC_WAVE         VLC_FOURCC('W','A','V','E')
  50 #define AVIFOURCC_INFO         VLC_FOURCC('I','N','F','O')
  51
  52 #define AVIFOURCC_avih         VLC_FOURCC('a','v','i','h')
  53 #define AVIFOURCC_hdrl         VLC_FOURCC('h','d','r','l')
  54 #define AVIFOURCC_movi         VLC_FOURCC('m','o','v','i')
  55 #define AVIFOURCC_idx1         VLC_FOURCC('i','d','x','1')
  56
  57 #define AVIFOURCC_strl         VLC_FOURCC('s','t','r','l')
  58 #define AVIFOURCC_strh         VLC_FOURCC('s','t','r','h')
  59 #define AVIFOURCC_strf         VLC_FOURCC('s','t','r','f')
  60 #define AVIFOURCC_strd         VLC_FOURCC('s','t','r','d')
  61
  62 #define AVIFOURCC_rec          VLC_FOURCC('r','e','c',' ')
  63 #define AVIFOURCC_auds         VLC_FOURCC('a','u','d','s')
  64 #define AVIFOURCC_vids         VLC_FOURCC('v','i','d','s')
  65
  66 #define AVIFOURCC_IARL         VLC_FOURCC('I','A','R','L')
  67 #define AVIFOURCC_IART         VLC_FOURCC('I','A','R','T')
  68 #define AVIFOURCC_ICMS         VLC_FOURCC('I','C','M','S')
  69 #define AVIFOURCC_ICMT         VLC_FOURCC('I','C','M','T')
  70 #define AVIFOURCC_ICOP         VLC_FOURCC('I','C','O','P')
  71 #define AVIFOURCC_ICRD         VLC_FOURCC('I','C','R','D')
  72 #define AVIFOURCC_ICRP         VLC_FOURCC('I','C','R','P')
  73 #define AVIFOURCC_IDIM         VLC_FOURCC('I','D','I','M')
  74 #define AVIFOURCC_IDPI         VLC_FOURCC('I','D','P','I')
  75 #define AVIFOURCC_IENG         VLC_FOURCC('I','E','N','G')
  76 #define AVIFOURCC_IGNR         VLC_FOURCC('I','G','N','R')
  77 #define AVIFOURCC_IKEY         VLC_FOURCC('I','K','E','Y')
  78 #define AVIFOURCC_ILGT         VLC_FOURCC('I','L','G','T')
  79 #define AVIFOURCC_IMED         VLC_FOURCC('I','M','E','D')
  80 #define AVIFOURCC_INAM         VLC_FOURCC('I','N','A','M')
  81 #define AVIFOURCC_IPLT         VLC_FOURCC('I','P','L','T')
  82 #define AVIFOURCC_IPRD         VLC_FOURCC('I','P','R','D')
  83 #define AVIFOURCC_ISBJ         VLC_FOURCC('I','S','B','J')
  84 #define AVIFOURCC_ISFT         VLC_FOURCC('I','S','F','T')
  85 #define AVIFOURCC_ISHP         VLC_FOURCC('I','S','H','P')
  86 #define AVIFOURCC_ISRC         VLC_FOURCC('I','S','R','C')
  87 #define AVIFOURCC_ISRF         VLC_FOURCC('I','S','R','F')
  88 #define AVIFOURCC_ITCH         VLC_FOURCC('I','T','C','H')
  89 #define AVIFOURCC_ISMP         VLC_FOURCC('I','S','M','P')
  90 #define AVIFOURCC_IDIT         VLC_FOURCC('I','D','I','T')
  91
  92
  93 #define AVITWOCC_wb            VLC_TWOCC('w','b')
  94 #define AVITWOCC_db            VLC_TWOCC('d','b')
  95 #define AVITWOCC_dc            VLC_TWOCC('d','c')
  96 #define AVITWOCC_pc            VLC_TWOCC('p','c')
  97     /* *** codex stuff ***  */
  98
  99     /* MPEG4 video */
 100 #define FOURCC_DIVX         VLC_FOURCC('D','I','V','X')
 101 #define FOURCC_divx         VLC_FOURCC('d','i','v','x')
 102 #define FOURCC_DIV1         VLC_FOURCC('D','I','V','1')
 103 #define FOURCC_div1         VLC_FOURCC('d','i','v','1')
 104 #define FOURCC_MP4S         VLC_FOURCC('M','P','4','S')
 105 #define FOURCC_mp4s         VLC_FOURCC('m','p','4','s')
 106 #define FOURCC_M4S2         VLC_FOURCC('M','4','S','2')
 107 #define FOURCC_m4s2         VLC_FOURCC('m','4','s','2')
 108 #define FOURCC_xvid         VLC_FOURCC('x','v','i','d')
 109 #define FOURCC_XVID         VLC_FOURCC('X','V','I','D')
 110 #define FOURCC_XviD         VLC_FOURCC('X','v','i','D')
 111 #define FOURCC_DX50         VLC_FOURCC('D','X','5','0')
 112 #define FOURCC_mp4v         VLC_FOURCC('m','p','4','v')
 113 #define FOURCC_4            VLC_FOURCC( 4,  0,  0,  0 )
 114
 115     /* MSMPEG4 v2 */
 116 #define FOURCC_MPG4         VLC_FOURCC('M','P','G','4')
 117 #define FOURCC_mpg4         VLC_FOURCC('m','p','g','4')
 118 #define FOURCC_DIV2         VLC_FOURCC('D','I','V','2')
 119 #define FOURCC_div2         VLC_FOURCC('d','i','v','2')
 120 #define FOURCC_MP42         VLC_FOURCC('M','P','4','2')
 121 #define FOURCC_mp42         VLC_FOURCC('m','p','4','2')
 122
 123     /* MSMPEG4 v3 / M$ mpeg4 v3 */
 124 #define FOURCC_MPG3         VLC_FOURCC('M','P','G','3')
 125 #define FOURCC_mpg3         VLC_FOURCC('m','p','g','3')
 126 #define FOURCC_div3         VLC_FOURCC('d','i','v','3')
 127 #define FOURCC_MP43         VLC_FOURCC('M','P','4','3')
 128 #define FOURCC_mp43         VLC_FOURCC('m','p','4','3')
 129
 130     /* DivX 3.20 */
 131 #define FOURCC_DIV3         VLC_FOURCC('D','I','V','3')
 132 #define FOURCC_DIV4         VLC_FOURCC('D','I','V','4')
 133 #define FOURCC_div4         VLC_FOURCC('d','i','v','4')
 134 #define FOURCC_DIV5         VLC_FOURCC('D','I','V','5')
 135 #define FOURCC_div5         VLC_FOURCC('d','i','v','5')
 136 #define FOURCC_DIV6         VLC_FOURCC('D','I','V','6')
 137 #define FOURCC_div6         VLC_FOURCC('d','i','v','6')
 138
 139     /* AngelPotion stuff */
 140 #define FOURCC_AP41         VLC_FOURCC('A','P','4','1')
 141
 142     /* 3IVX */
 143 #define FOURCC_3IV1         VLC_FOURCC('3','I','V','1')
 144 #define FOURCC_3iv1         VLC_FOURCC('2','i','v','1')
 145 #define FOURCC_3IV2         VLC_FOURCC('3','I','V','2')
 146 #define FOURCC_3iv2         VLC_FOURCC('3','i','v','2')
 147 #define FOURCC_3IVD         VLC_FOURCC('3','I','V','D')
 148 #define FOURCC_3ivd         VLC_FOURCC('3','i','v','d')
 149 #define FOURCC_3VID         VLC_FOURCC('3','V','I','D')
 150 #define FOURCC_3vid         VLC_FOURCC('3','v','i','d')
 151
 152     /* H263 and H263i */
 153 #define FOURCC_H263         VLC_FOURCC('H','2','6','3')
 154 #define FOURCC_h263         VLC_FOURCC('h','2','6','3')
 155 #define FOURCC_U263         VLC_FOURCC('U','2','6','3')
 156 #define FOURCC_I263         VLC_FOURCC('I','2','6','3')
 157 #define FOURCC_i263         VLC_FOURCC('i','2','6','3')
 158
 159 /* Sound formats */
 160 #define WAVE_FORMAT_UNKNOWN         0x0000
 161 #define WAVE_FORMAT_PCM             0x0001
 162 #define WAVE_FORMAT_MPEG            0x0050
 163 #define WAVE_FORMAT_MPEGLAYER3      0x0055
 164 #define WAVE_FORMAT_A52             0x2000
 165 #define WAVE_FORMAT_WMA1            0x0160
 166 #define WAVE_FORMAT_WMA2            0x0161
 167
 168
 169 #define AVI_CHUNK_COMMON            \
 170     vlc_fourcc_t i_chunk_fourcc;    \
 171     uint64_t i_chunk_size;          \
 172     uint64_t i_chunk_pos;           \
 173     union  avi_chunk_u *p_next;    \
 174     union  avi_chunk_u *p_father;  \
 175     union  avi_chunk_u *p_first;   \
 176     union  avi_chunk_u *p_last;
 177
 178 #define AVI_CHUNK( p_chk ) (avi_chunk_t*)(p_chk)
 179
 180 typedef struct idx1_entry_s
 181 {
 182     vlc_fourcc_t i_fourcc;
 183     uint32_t i_flags;
 184     uint32_t i_pos;
 185     uint32_t i_length;
 186
 187 } idx1_entry_t;
 188 typedef struct avi_chunk_common_s
 189 {
 190     AVI_CHUNK_COMMON
 191 } avi_chunk_common_t;
 192
 193 typedef struct avi_chunk_list_s
 194 {
 195     AVI_CHUNK_COMMON
 196     vlc_fourcc_t i_type;
 197 } avi_chunk_list_t;
 198
 199 typedef struct avi_chunk_idx1_s
 200 {
 201     AVI_CHUNK_COMMON
 202     unsigned int i_entry_count;
 203     unsigned int i_entry_max;
 204     idx1_entry_t *entry;
 205
 206 } avi_chunk_idx1_t;
 207
 208 typedef struct avi_chunk_avih_s
 209 {
 210     AVI_CHUNK_COMMON
 211     uint32_t i_microsecperframe;
 212     uint32_t i_maxbytespersec;
 213     uint32_t i_reserved1; /* dwPaddingGranularity;    pad to multiples of this
 214                              size; normally 2K */
 215     uint32_t i_flags;
 216     uint32_t i_totalframes;
 217     uint32_t i_initialframes;
 218     uint32_t i_streams;
 219     uint32_t i_suggestedbuffersize;
 220     uint32_t i_width;
 221     uint32_t i_height;
 222     uint32_t i_scale;
 223     uint32_t i_rate;
 224     uint32_t i_start;
 225     uint32_t i_length;
 226 } avi_chunk_avih_t;
 227
 228 typedef struct avi_chunk_strh_s
 229 {
 230     AVI_CHUNK_COMMON
 231     vlc_fourcc_t i_type;
 232     uint32_t i_handler;
 233     uint32_t i_flags;
 234     uint32_t i_reserved1;    /* wPriority wLanguage */
 235     uint32_t i_initialframes;
 236     uint32_t i_scale;
 237     uint32_t i_rate;
 238     uint32_t i_start;
 239     uint32_t i_length;       /* In units above... */
 240     uint32_t i_suggestedbuffersize;
 241     uint32_t i_quality;
 242     uint32_t i_samplesize;
 243 } avi_chunk_strh_t;
 244
 245 typedef struct avi_chunk_strf_auds_s
 246 {
 247     AVI_CHUNK_COMMON
 248     int             i_cat;
 249     WAVEFORMATEX    *p_wf;
 250 } avi_chunk_strf_auds_t;
 251
 252 typedef struct avi_chunk_strf_vids_s
 253 {
 254     AVI_CHUNK_COMMON
 255     int              i_cat;
 256     BITMAPINFOHEADER *p_bih;
 257 } avi_chunk_strf_vids_t;
 258
 259 typedef union avi_chunk_strf_u
 260 {
 261     avi_chunk_strf_auds_t   auds;
 262     avi_chunk_strf_vids_t   vids;
 263     struct
 264     {
 265         AVI_CHUNK_COMMON
 266         int i_cat;
 267     }                       common;
 268 } avi_chunk_strf_t;
 269
 270 typedef struct avi_chunk_strd_s
 271 {
 272     AVI_CHUNK_COMMON
 273     uint8_t  *p_data;
 274 } avi_chunk_strd_t;
 275
 276 typedef struct avi_chunk_STRING_s
 277 {
 278     AVI_CHUNK_COMMON
 279     char *p_type;
 280     char *p_str;
 281 } avi_chunk_STRING_t;
 282
 283 typedef union avi_chunk_u
 284 {
 285     avi_chunk_common_t  common;
 286     avi_chunk_list_t    list;
 287     avi_chunk_idx1_t    idx1;
 288     avi_chunk_avih_t    avih;
 289     avi_chunk_strh_t    strh;
 290     avi_chunk_strf_t    strf;
 291     avi_chunk_strd_t    strd;
 292     avi_chunk_STRING_t  strz;
 293 } avi_chunk_t;
 294
 295 /****************************************************************************
 296  * AVI_TestFile : test file header to see if it's an avi file
 297  ****************************************************************************/
 298 int     AVI_TestFile( input_thread_t *p_input );
 299
 300 /****************************************************************************
 301  * Stream(input) access functions
 302  ****************************************************************************/
 303 off_t   AVI_TellAbsolute( input_thread_t *p_input );
 304 int     AVI_SeekAbsolute( input_thread_t *p_input, off_t i_pos);
 305 int     AVI_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size );
 306 int     AVI_SkipBytes( input_thread_t *p_input, int i_count );
 307
 308 int     _AVI_ChunkRead( input_thread_t *p_input,
 309                         avi_chunk_t *p_chk,
 310                         avi_chunk_t *p_father,
 311                         vlc_bool_t b_seekable );
 312 void    _AVI_ChunkFree( input_thread_t *p_input,
 313                          avi_chunk_t *p_chk );
 314 int     _AVI_ChunkGoto( input_thread_t *p_input,
 315                         avi_chunk_t *p_chk );
 316 void    _AVI_ChunkDumpDebug( input_thread_t *p_input,
 317                              avi_chunk_t  *p_chk );
 318
 319 int     _AVI_ChunkCount( avi_chunk_t *, vlc_fourcc_t );
 320 avi_chunk_t *_AVI_ChunkFind( avi_chunk_t *, vlc_fourcc_t, int );
 321
 322 int     AVI_ChunkReadRoot( input_thread_t *p_input,
 323                            avi_chunk_t *p_root,
 324                            vlc_bool_t b_seekable );
 325 void    AVI_ChunkFreeRoot( input_thread_t *p_input,
 326                            avi_chunk_t  *p_chk );
 327 #define AVI_ChunkRead( p_input, p_chk, p_father, b_seekable ) \
 328     _AVI_ChunkRead( p_input, \
 329                     (avi_chunk_t*)p_chk, \
 330                     (avi_chunk_t*)p_father, \
 331                     b_seekable )
 332 #define AVI_ChunkFree( p_input, p_chk ) \
 333     _AVI_ChunkFree( p_input, (avi_chunk_t*)p_chk )
 334
 335 #define AVI_ChunkGoto( p_input, p_chk ) \
 336     _AVI_ChunkGoto( p_input, (avi_chunk_t*)p_chk )
 337
 338 #define AVI_ChunkDumpDebug( p_input, p_chk ) \
 339     _AVI_ChunkDumpDebug( p_input, (avi_chunk_t*)p_chk )
 340
 341
 342 #define AVI_ChunkCount( p_chk, i_fourcc ) \
 343     _AVI_ChunkCount( (avi_chunk_t*)p_chk, i_fourcc )
 344 #define AVI_ChunkFind( p_chk, i_fourcc, i_number ) \
 345     _AVI_ChunkFind( (avi_chunk_t*)p_chk, i_fourcc, i_number )
 346
 347
 348