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 1.2 2002/11/05 10:07:56 gbazin 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 #define MKFOURCC( a, b, c, d ) \
  43     ( ((u32)a) | ( ((u32)b) << 8 ) | ( ((u32)c) << 16 ) | ( ((u32)d) << 24 ) )
  44 #define MKTWOCC( a, b ) \
  45     ( (u16)(a) | ( (u16)(b) << 8 ) )
  46
  47     /* *** avi stuff *** */
  48
  49 #define AVIFOURCC_RIFF         MKFOURCC('R','I','F','F')
  50 #define AVIFOURCC_LIST         MKFOURCC('L','I','S','T')
  51 #define AVIFOURCC_JUNK         MKFOURCC('J','U','N','K')
  52 #define AVIFOURCC_AVI          MKFOURCC('A','V','I',' ')
  53 #define AVIFOURCC_WAVE         MKFOURCC('W','A','V','E')
  54 #define AVIFOURCC_INFO         MKFOURCC('I','N','F','O')
  55
  56 #define AVIFOURCC_avih         MKFOURCC('a','v','i','h')
  57 #define AVIFOURCC_hdrl         MKFOURCC('h','d','r','l')
  58 #define AVIFOURCC_movi         MKFOURCC('m','o','v','i')
  59 #define AVIFOURCC_idx1         MKFOURCC('i','d','x','1')
  60
  61 #define AVIFOURCC_strl         MKFOURCC('s','t','r','l')
  62 #define AVIFOURCC_strh         MKFOURCC('s','t','r','h')
  63 #define AVIFOURCC_strf         MKFOURCC('s','t','r','f')
  64 #define AVIFOURCC_strd         MKFOURCC('s','t','r','d')
  65
  66 #define AVIFOURCC_rec          MKFOURCC('r','e','c',' ')
  67 #define AVIFOURCC_auds         MKFOURCC('a','u','d','s')
  68 #define AVIFOURCC_vids         MKFOURCC('v','i','d','s')
  69
  70 #define AVIFOURCC_IARL         MKFOURCC('I','A','R','L')
  71 #define AVIFOURCC_IART         MKFOURCC('I','A','R','T')
  72 #define AVIFOURCC_ICMS         MKFOURCC('I','C','M','S')
  73 #define AVIFOURCC_ICMT         MKFOURCC('I','C','M','T')
  74 #define AVIFOURCC_ICOP         MKFOURCC('I','C','O','P')
  75 #define AVIFOURCC_ICRD         MKFOURCC('I','C','R','D')
  76 #define AVIFOURCC_ICRP         MKFOURCC('I','C','R','P')
  77 #define AVIFOURCC_IDIM         MKFOURCC('I','D','I','M')
  78 #define AVIFOURCC_IDPI         MKFOURCC('I','D','P','I')
  79 #define AVIFOURCC_IENG         MKFOURCC('I','E','N','G')
  80 #define AVIFOURCC_IGNR         MKFOURCC('I','G','N','R')
  81 #define AVIFOURCC_IKEY         MKFOURCC('I','K','E','Y')
  82 #define AVIFOURCC_ILGT         MKFOURCC('I','L','G','T')
  83 #define AVIFOURCC_IMED         MKFOURCC('I','M','E','D')
  84 #define AVIFOURCC_INAM         MKFOURCC('I','N','A','M')
  85 #define AVIFOURCC_IPLT         MKFOURCC('I','P','L','T')
  86 #define AVIFOURCC_IPRD         MKFOURCC('I','P','R','D')
  87 #define AVIFOURCC_ISBJ         MKFOURCC('I','S','B','J')
  88 #define AVIFOURCC_ISFT         MKFOURCC('I','S','F','T')
  89 #define AVIFOURCC_ISHP         MKFOURCC('I','S','H','P')
  90 #define AVIFOURCC_ISRC         MKFOURCC('I','S','R','C')
  91 #define AVIFOURCC_ISRF         MKFOURCC('I','S','R','F')
  92 #define AVIFOURCC_ITCH         MKFOURCC('I','T','C','H')
  93 #define AVIFOURCC_ISMP         MKFOURCC('I','S','M','P')
  94 #define AVIFOURCC_IDIT         MKFOURCC('I','D','I','T')
  95
  96
  97 #define AVITWOCC_wb            MKTWOCC('w','b')
  98 #define AVITWOCC_db            MKTWOCC('d','b')
  99 #define AVITWOCC_dc            MKTWOCC('d','c')
 100 #define AVITWOCC_pc            MKTWOCC('p','c')
 101     /* *** codex stuff ***  */
 102
 103     /* MPEG4 video */
 104 #define FOURCC_DIVX         VLC_FOURCC('D','I','V','X')
 105 #define FOURCC_divx         VLC_FOURCC('d','i','v','x')
 106 #define FOURCC_DIV1         VLC_FOURCC('D','I','V','1')
 107 #define FOURCC_div1         VLC_FOURCC('d','i','v','1')
 108 #define FOURCC_MP4S         VLC_FOURCC('M','P','4','S')
 109 #define FOURCC_mp4s         VLC_FOURCC('m','p','4','s')
 110 #define FOURCC_M4S2         VLC_FOURCC('M','4','S','2')
 111 #define FOURCC_m4s2         VLC_FOURCC('m','4','s','2')
 112 #define FOURCC_xvid         VLC_FOURCC('x','v','i','d')
 113 #define FOURCC_XVID         VLC_FOURCC('X','V','I','D')
 114 #define FOURCC_XviD         VLC_FOURCC('X','v','i','D')
 115 #define FOURCC_DX50         VLC_FOURCC('D','X','5','0')
 116 #define FOURCC_mp4v         VLC_FOURCC('m','p','4','v')
 117 #define FOURCC_4            VLC_FOURCC( 4,  0,  0,  0 )
 118
 119     /* MSMPEG4 v2 */
 120 #define FOURCC_MPG4         VLC_FOURCC('M','P','G','4')
 121 #define FOURCC_mpg4         VLC_FOURCC('m','p','g','4')
 122 #define FOURCC_DIV2         VLC_FOURCC('D','I','V','2')
 123 #define FOURCC_div2         VLC_FOURCC('d','i','v','2')
 124 #define FOURCC_MP42         VLC_FOURCC('M','P','4','2')
 125 #define FOURCC_mp42         VLC_FOURCC('m','p','4','2')
 126
 127     /* MSMPEG4 v3 / M$ mpeg4 v3 */
 128 #define FOURCC_MPG3         VLC_FOURCC('M','P','G','3')
 129 #define FOURCC_mpg3         VLC_FOURCC('m','p','g','3')
 130 #define FOURCC_div3         VLC_FOURCC('d','i','v','3')
 131 #define FOURCC_MP43         VLC_FOURCC('M','P','4','3')
 132 #define FOURCC_mp43         VLC_FOURCC('m','p','4','3')
 133
 134     /* DivX 3.20 */
 135 #define FOURCC_DIV3         VLC_FOURCC('D','I','V','3')
 136 #define FOURCC_DIV4         VLC_FOURCC('D','I','V','4')
 137 #define FOURCC_div4         VLC_FOURCC('d','i','v','4')
 138 #define FOURCC_DIV5         VLC_FOURCC('D','I','V','5')
 139 #define FOURCC_div5         VLC_FOURCC('d','i','v','5')
 140 #define FOURCC_DIV6         VLC_FOURCC('D','I','V','6')
 141 #define FOURCC_div6         VLC_FOURCC('d','i','v','6')
 142
 143     /* AngelPotion stuff */
 144 #define FOURCC_AP41         VLC_FOURCC('A','P','4','1')
 145
 146     /* ?? */
 147 #define FOURCC_3IV1         VLC_FOURCC('3','I','V','1')
 148     /* H263 and H263i */
 149 #define FOURCC_H263         VLC_FOURCC('H','2','6','3')
 150 #define FOURCC_h263         VLC_FOURCC('h','2','6','3')
 151 #define FOURCC_U263         VLC_FOURCC('U','2','6','3')
 152 #define FOURCC_I263         VLC_FOURCC('I','2','6','3')
 153 #define FOURCC_i263         VLC_FOURCC('i','2','6','3')
 154
 155 /* Sound formats */
 156 #define WAVE_FORMAT_UNKNOWN         0x0000
 157 #define WAVE_FORMAT_PCM             0x0001
 158 #define WAVE_FORMAT_MPEG            0x0050
 159 #define WAVE_FORMAT_MPEGLAYER3      0x0055
 160 #define WAVE_FORMAT_A52             0x2000
 161 #define WAVE_FORMAT_WMA1            0x0160
 162 #define WAVE_FORMAT_WMA2            0x0161
 163
 164
 165 #define AVI_CHUNK_COMMON            \
 166     u32     i_chunk_fourcc;         \
 167     u64     i_chunk_size;           \
 168     u64     i_chunk_pos;            \
 169     union  avi_chunk_u *p_next;    \
 170     union  avi_chunk_u *p_father;  \
 171     union  avi_chunk_u *p_first;   \
 172     union  avi_chunk_u *p_last;
 173
 174 #define AVI_CHUNK( p_chk ) (avi_chunk_t*)(p_chk)
 175
 176 typedef struct idx1_entry_s
 177 {
 178     vlc_fourcc_t i_fourcc;
 179     u32 i_flags;
 180     u32 i_pos;
 181     u32 i_length;
 182
 183 } idx1_entry_t;
 184 typedef struct avi_chunk_common_s
 185 {
 186     AVI_CHUNK_COMMON
 187 } avi_chunk_common_t;
 188
 189 typedef struct avi_chunk_list_s
 190 {
 191     AVI_CHUNK_COMMON
 192     u32 i_type;
 193 } avi_chunk_list_t;
 194
 195 typedef struct avi_chunk_idx1_s
 196 {
 197     AVI_CHUNK_COMMON
 198     int i_entry_count;
 199     int i_entry_max;
 200     idx1_entry_t *entry;
 201
 202 } avi_chunk_idx1_t;
 203
 204 typedef struct avi_chunk_avih_s
 205 {
 206     AVI_CHUNK_COMMON
 207     u32 i_microsecperframe;
 208     u32 i_maxbytespersec;
 209     u32 i_reserved1; /* dwPaddingGranularity;    pad to multiples of this
 210                          size; normally 2K */
 211     u32 i_flags;
 212     u32 i_totalframes;
 213     u32 i_initialframes;
 214     u32 i_streams;
 215     u32 i_suggestedbuffersize;
 216     u32 i_width;
 217     u32 i_height;
 218     u32 i_scale;
 219     u32 i_rate;
 220     u32 i_start;
 221     u32 i_length;
 222 } avi_chunk_avih_t;
 223
 224 typedef struct avi_chunk_strh_s
 225 {
 226     AVI_CHUNK_COMMON
 227     u32 i_type;
 228     u32 i_handler;
 229     u32 i_flags;
 230     u32 i_reserved1;    /* wPriority wLanguage */
 231     u32 i_initialframes;
 232     u32 i_scale;
 233     u32 i_rate;
 234     u32 i_start;
 235     u32 i_length;       /* In units above... */
 236     u32 i_suggestedbuffersize;
 237     u32 i_quality;
 238     u32 i_samplesize;
 239 } avi_chunk_strh_t;
 240
 241 typedef struct avi_chunk_strf_auds_s
 242 {
 243     AVI_CHUNK_COMMON
 244     void *p_wfx;    //  waveformatex_t loaded from file
 245
 246     u16 i_formattag;        // + 0x00
 247     u16 i_channels;         // + 0x02
 248     u32 i_samplespersec;    // + 0x04
 249     u32 i_avgbytespersec;   // + 0x08
 250     u16 i_blockalign;       // + 0x0c
 251     u16 i_bitspersample;    // + 0x0e
 252     u16 i_size; /* the extra size in bytes */
 253     u8  *p_data;
 254 } avi_chunk_strf_auds_t;
 255
 256 typedef struct avi_chunk_strf_vids_s
 257 {
 258     AVI_CHUNK_COMMON
 259     BITMAPINFOHEADER *p_bih;
 260 } avi_chunk_strf_vids_t;
 261
 262 typedef union avi_chunk_strf_u
 263 {
 264     avi_chunk_strf_auds_t   auds;
 265     avi_chunk_strf_vids_t   vids;
 266 } avi_chunk_strf_t;
 267
 268 typedef struct avi_chunk_strd_s
 269 {
 270     AVI_CHUNK_COMMON
 271     u8  *p_data;
 272 } avi_chunk_strd_t;
 273
 274 typedef struct avi_chunk_STRING_s
 275 {
 276     AVI_CHUNK_COMMON
 277     char *p_type;
 278     char *p_str;
 279 } avi_chunk_STRING_t;
 280
 281 typedef union avi_chunk_u
 282 {
 283     avi_chunk_common_t  common;
 284     avi_chunk_list_t    list;
 285     avi_chunk_idx1_t    idx1;
 286     avi_chunk_avih_t    avih;
 287     avi_chunk_strh_t    strh;
 288     avi_chunk_strf_t    strf;
 289     avi_chunk_strd_t    strd;
 290     avi_chunk_STRING_t  strz;
 291 } avi_chunk_t;
 292
 293 /****************************************************************************
 294  * AVI_TestFile : test file header to see if it's an avi file
 295  ****************************************************************************/
 296 int     AVI_TestFile( input_thread_t *p_input );
 297
 298 /****************************************************************************
 299  * Stream(input) acces function
 300  ****************************************************************************/
 301 off_t   AVI_TellAbsolute( input_thread_t *p_input );
 302 int     AVI_SeekAbsolute( input_thread_t *p_input, off_t i_pos);
 303 int     AVI_ReadData( input_thread_t *p_input, u8 *p_buff, int i_size );
 304 int     AVI_SkipBytes( input_thread_t *p_input, int i_count );
 305
 306 int     _AVI_ChunkRead( input_thread_t *p_input,
 307                         avi_chunk_t *p_chk,
 308                         avi_chunk_t *p_father,
 309                         int b_seekable );
 310 void    _AVI_ChunkFree( input_thread_t *p_input,
 311                          avi_chunk_t *p_chk );
 312 int     _AVI_ChunkGoto( input_thread_t *p_input,
 313                         avi_chunk_t *p_chk );
 314 void    _AVI_ChunkDumpDebug( input_thread_t *p_input,
 315                              avi_chunk_t  *p_chk );
 316
 317 int     _AVI_ChunkCount( avi_chunk_t *p_chk, u32 i_fourcc );
 318 avi_chunk_t *_AVI_ChunkFind( avi_chunk_t *p_chk, u32 i_fourcc, int i_number );
 319
 320 int     AVI_ChunkReadRoot( input_thread_t *p_input,
 321                            avi_chunk_t *p_root,
 322                            int b_seekable );
 323 void    AVI_ChunkFreeRoot( input_thread_t *p_input,
 324                            avi_chunk_t  *p_chk );
 325 #define AVI_ChunkRead( p_input, p_chk, p_father, b_seekable ) \
 326     _AVI_ChunkRead( p_input, \
 327                     (avi_chunk_t*)p_chk, \
 328                     (avi_chunk_t*)p_father, \
 329                     b_seekable )
 330 #define AVI_ChunkFree( p_input, p_chk ) \
 331     _AVI_ChunkFree( p_input, (avi_chunk_t*)p_chk )
 332
 333 #define AVI_ChunkGoto( p_input, p_chk ) \
 334     _AVI_ChunkGoto( p_input, (avi_chunk_t*)p_chk )
 335
 336 #define AVI_ChunkDumpDebug( p_input, p_chk ) \
 337     _AVI_ChunkDumpDebug( p_input, (avi_chunk_t*)p_chk )
 338
 339
 340 #define AVI_ChunkCount( p_chk, i_fourcc ) \
 341     _AVI_ChunkCount( (avi_chunk_t*)p_chk, i_fourcc )
 342 #define AVI_ChunkFind( p_chk, i_fourcc, i_number ) \
 343     _AVI_ChunkFind( (avi_chunk_t*)p_chk, i_fourcc, i_number )
 344
 345
 346