modules/demux/mp4/libmp4.h

   1 /*****************************************************************************
   2  * libmp4.h : LibMP4 library for mp4 module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2001-2004, 2010 the VideoLAN team
   5  *
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #ifndef _VLC_MP4_H
  24 #define _VLC_MP4_H 1
  25
  26 #define ATOM_root VLC_FOURCC( 'r', 'o', 'o', 't' )
  27 #define ATOM_uuid VLC_FOURCC( 'u', 'u', 'i', 'd' )
  28
  29 #define ATOM_ftyp VLC_FOURCC( 'f', 't', 'y', 'p' )
  30 #define ATOM_moov VLC_FOURCC( 'm', 'o', 'o', 'v' )
  31 #define ATOM_foov VLC_FOURCC( 'f', 'o', 'o', 'v' )
  32 #define ATOM_cmov VLC_FOURCC( 'c', 'm', 'o', 'v' )
  33 #define ATOM_dcom VLC_FOURCC( 'd', 'c', 'o', 'm' )
  34 #define ATOM_cmvd VLC_FOURCC( 'c', 'm', 'v', 'd' )
  35
  36 #define ATOM_moof VLC_FOURCC( 'm', 'o', 'o', 'f' )
  37 #define ATOM_mdat VLC_FOURCC( 'm', 'd', 'a', 't' )
  38 #define ATOM_skip VLC_FOURCC( 's', 'k', 'i', 'p' )
  39 #define ATOM_free VLC_FOURCC( 'f', 'r', 'e', 'e' )
  40 #define ATOM_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
  41 #define ATOM_wide VLC_FOURCC( 'w', 'i', 'd', 'e' )
  42
  43 #define ATOM_data VLC_FOURCC( 'd', 'a', 't', 'a' )
  44
  45 #define ATOM_trak VLC_FOURCC( 't', 'r', 'a', 'k' )
  46 #define ATOM_mvhd VLC_FOURCC( 'm', 'v', 'h', 'd' )
  47 #define ATOM_tkhd VLC_FOURCC( 't', 'k', 'h', 'd' )
  48 #define ATOM_tref VLC_FOURCC( 't', 'r', 'e', 'f' )
  49 #define ATOM_mdia VLC_FOURCC( 'm', 'd', 'i', 'a' )
  50 #define ATOM_mdhd VLC_FOURCC( 'm', 'd', 'h', 'd' )
  51 #define ATOM_hdlr VLC_FOURCC( 'h', 'd', 'l', 'r' )
  52 #define ATOM_minf VLC_FOURCC( 'm', 'i', 'n', 'f' )
  53 #define ATOM_vmhd VLC_FOURCC( 'v', 'm', 'h', 'd' )
  54 #define ATOM_smhd VLC_FOURCC( 's', 'm', 'h', 'd' )
  55 #define ATOM_hmhd VLC_FOURCC( 'h', 'm', 'h', 'd' )
  56 #define ATOM_dinf VLC_FOURCC( 'd', 'i', 'n', 'f' )
  57 #define ATOM_url  VLC_FOURCC( 'u', 'r', 'l', ' ' )
  58 #define ATOM_urn  VLC_FOURCC( 'u', 'r', 'n', ' ' )
  59 #define ATOM_dref VLC_FOURCC( 'd', 'r', 'e', 'f' )
  60 #define ATOM_stbl VLC_FOURCC( 's', 't', 'b', 'l' )
  61 #define ATOM_stts VLC_FOURCC( 's', 't', 't', 's' )
  62 #define ATOM_ctts VLC_FOURCC( 'c', 't', 't', 's' )
  63 #define ATOM_stsd VLC_FOURCC( 's', 't', 's', 'd' )
  64 #define ATOM_stsz VLC_FOURCC( 's', 't', 's', 'z' )
  65 #define ATOM_stz2 VLC_FOURCC( 's', 't', 'z', '2' )
  66 #define ATOM_stsc VLC_FOURCC( 's', 't', 's', 'c' )
  67 #define ATOM_stco VLC_FOURCC( 's', 't', 'c', 'o' )
  68 #define ATOM_co64 VLC_FOURCC( 'c', 'o', '6', '4' )
  69 #define ATOM_stss VLC_FOURCC( 's', 't', 's', 's' )
  70 #define ATOM_stsh VLC_FOURCC( 's', 't', 's', 'h' )
  71 #define ATOM_stdp VLC_FOURCC( 's', 't', 'd', 'p' )
  72 #define ATOM_padb VLC_FOURCC( 'p', 'a', 'd', 'b' )
  73 #define ATOM_edts VLC_FOURCC( 'e', 'd', 't', 's' )
  74 #define ATOM_elst VLC_FOURCC( 'e', 'l', 's', 't' )
  75 #define ATOM_mvex VLC_FOURCC( 'm', 'v', 'e', 'x' )
  76 #define ATOM_trex VLC_FOURCC( 't', 'r', 'e', 'x' )
  77 #define ATOM_mfhd VLC_FOURCC( 'm', 'f', 'h', 'd' )
  78 #define ATOM_traf VLC_FOURCC( 't', 'r', 'a', 'f' )
  79 #define ATOM_tfhd VLC_FOURCC( 't', 'f', 'h', 'd' )
  80 #define ATOM_trun VLC_FOURCC( 't', 'r', 'u', 'n' )
  81 #define ATOM_cprt VLC_FOURCC( 'c', 'p', 'r', 't' )
  82 #define ATOM_iods VLC_FOURCC( 'i', 'o', 'd', 's' )
  83 #define ATOM_pasp VLC_FOURCC( 'p', 'a', 's', 'p' )
  84
  85 #define ATOM_nmhd VLC_FOURCC( 'n', 'm', 'h', 'd' )
  86 #define ATOM_mp2v VLC_FOURCC( 'm', 'p', '2', 'v' )
  87 #define ATOM_mp4v VLC_FOURCC( 'm', 'p', '4', 'v' )
  88 #define ATOM_mp4a VLC_FOURCC( 'm', 'p', '4', 'a' )
  89 #define ATOM_mp4s VLC_FOURCC( 'm', 'p', '4', 's' )
  90 #define ATOM_vide VLC_FOURCC( 'v', 'i', 'd', 'e' )
  91 #define ATOM_soun VLC_FOURCC( 's', 'o', 'u', 'n' )
  92 #define ATOM_hint VLC_FOURCC( 'h', 'i', 'n', 't' )
  93 #define ATOM_hdv2 VLC_FOURCC( 'h', 'd', 'v', '2' )
  94
  95 #define ATOM_dpnd VLC_FOURCC( 'd', 'p', 'n', 'd' )
  96 #define ATOM_ipir VLC_FOURCC( 'i', 'p', 'i', 'r' )
  97 #define ATOM_mpod VLC_FOURCC( 'm', 'p', 'o', 'd' )
  98 #define ATOM_hnti VLC_FOURCC( 'h', 'n', 't', 'i' )
  99 #define ATOM_rtp  VLC_FOURCC( 'r', 't', 'p', ' ' )
 100
 101 #define ATOM_isom VLC_FOURCC( 'i', 's', 'o', 'm' )
 102 #define ATOM_3gp4 VLC_FOURCC( '3', 'g', 'p', '4' )
 103 #define ATOM_esds VLC_FOURCC( 'e', 's', 'd', 's' )
 104
 105 #define ATOM__mp3 VLC_FOURCC( '.', 'm', 'p', '3' )
 106 #define ATOM_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 )
 107 #define ATOM_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 )
 108 #define ATOM_ms55 VLC_FOURCC( 'm', 's', 0x0, 0x55 )
 109 #define ATOM_twos VLC_FOURCC( 't', 'w', 'o', 's' )
 110 #define ATOM_sowt VLC_FOURCC( 's', 'o', 'w', 't' )
 111 #define ATOM_QDMC VLC_FOURCC( 'Q', 'D', 'M', 'C' )
 112 #define ATOM_QDM2 VLC_FOURCC( 'Q', 'D', 'M', '2' )
 113 #define ATOM_ima4 VLC_FOURCC( 'i', 'm', 'a', '4' )
 114 #define ATOM_IMA4 VLC_FOURCC( 'I', 'M', 'A', '4' )
 115 #define ATOM_dvi  VLC_FOURCC( 'd', 'v', 'i', ' ' )
 116 #define ATOM_MAC3 VLC_FOURCC( 'M', 'A', 'C', '3' )
 117 #define ATOM_MAC6 VLC_FOURCC( 'M', 'A', 'C', '6' )
 118 #define ATOM_alaw VLC_FOURCC( 'a', 'l', 'a', 'w' )
 119 #define ATOM_ulaw VLC_FOURCC( 'u', 'l', 'a', 'w' )
 120 #define ATOM_Qclp VLC_FOURCC( 'Q', 'c', 'l', 'p' )
 121 #define ATOM_samr VLC_FOURCC( 's', 'a', 'm', 'r' )
 122 #define ATOM_sawb VLC_FOURCC( 's', 'a', 'w', 'b' )
 123 #define ATOM_OggS VLC_FOURCC( 'O', 'g', 'g', 'S' )
 124 #define ATOM_alac VLC_FOURCC( 'a', 'l', 'a', 'c' )
 125 #define ATOM_dac3 VLC_FOURCC( 'd', 'a', 'c', '3' )
 126 #define ATOM_dec3 VLC_FOURCC( 'd', 'e', 'c', '3' )
 127 #define ATOM_enda VLC_FOURCC( 'e', 'n', 'd', 'a' )
 128 #define ATOM_gnre VLC_FOURCC( 'g', 'n', 'r', 'e' )
 129 #define ATOM_trkn VLC_FOURCC( 't', 'r', 'k', 'n' )
 130
 131 #define ATOM_zlib VLC_FOURCC( 'z', 'l', 'i', 'b' )
 132 #define ATOM_SVQ1 VLC_FOURCC( 'S', 'V', 'Q', '1' )
 133 #define ATOM_SVQ3 VLC_FOURCC( 'S', 'V', 'Q', '3' )
 134 #define ATOM_ZyGo VLC_FOURCC( 'Z', 'y', 'G', 'o' )
 135 #define ATOM_3IV1 VLC_FOURCC( '3', 'I', 'V', '1' )
 136 #define ATOM_3iv1 VLC_FOURCC( '3', 'i', 'v', '1' )
 137 #define ATOM_3IV2 VLC_FOURCC( '3', 'I', 'V', '2' )
 138 #define ATOM_3iv2 VLC_FOURCC( '3', 'i', 'v', '2' )
 139 #define ATOM_3IVD VLC_FOURCC( '3', 'I', 'V', 'D' )
 140 #define ATOM_3ivd VLC_FOURCC( '3', 'i', 'v', 'd' )
 141 #define ATOM_3VID VLC_FOURCC( '3', 'V', 'I', 'D' )
 142 #define ATOM_3vid VLC_FOURCC( '3', 'v', 'i', 'd' )
 143 #define ATOM_h263 VLC_FOURCC( 'h', '2', '6', '3' )
 144 #define ATOM_s263 VLC_FOURCC( 's', '2', '6', '3' )
 145 #define ATOM_DIVX VLC_FOURCC( 'D', 'I', 'V', 'X' )
 146 #define ATOM_XVID VLC_FOURCC( 'X', 'V', 'I', 'D' )
 147 #define ATOM_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' )
 148 #define ATOM_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' )
 149 #define ATOM_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' )
 150 #define ATOM_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' )
 151 #define ATOM_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
 152 #define ATOM_VP31 VLC_FOURCC( 'V', 'P', '3', '1' )
 153 #define ATOM_vp31 VLC_FOURCC( 'v', 'p', '3', '1' )
 154 #define ATOM_h264 VLC_FOURCC( 'h', '2', '6', '4' )
 155 #define ATOM_qdrw VLC_FOURCC( 'q', 'd', 'r', 'w' )
 156
 157 #define ATOM_avc1 VLC_FOURCC( 'a', 'v', 'c', '1' )
 158 #define ATOM_avcC VLC_FOURCC( 'a', 'v', 'c', 'C' )
 159 #define ATOM_m4ds VLC_FOURCC( 'm', '4', 'd', 's' )
 160
 161 #define ATOM_dvc  VLC_FOURCC( 'd', 'v', 'c', ' ' )
 162 #define ATOM_dvp  VLC_FOURCC( 'd', 'v', 'p', ' ' )
 163 #define ATOM_dv5n VLC_FOURCC( 'd', 'v', '5', 'n' )
 164 #define ATOM_dv5p VLC_FOURCC( 'd', 'v', '5', 'p' )
 165 #define ATOM_raw  VLC_FOURCC( 'r', 'a', 'w', ' ' )
 166
 167 #define ATOM_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
 168
 169 #define ATOM_yv12 VLC_FOURCC( 'y', 'v', '1', '2' )
 170 #define ATOM_yuv2 VLC_FOURCC( 'y', 'u', 'v', '2' )
 171
 172 #define ATOM_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
 173 #define ATOM_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
 174 #define ATOM_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
 175 #define ATOM_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
 176 #define ATOM_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
 177 #define ATOM_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
 178 #define ATOM_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
 179 #define ATOM_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
 180
 181 #define ATOM_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' )
 182 #define ATOM_wave VLC_FOURCC( 'w', 'a', 'v', 'e' )
 183
 184 #define ATOM_drms VLC_FOURCC( 'd', 'r', 'm', 's' )
 185 #define ATOM_sinf VLC_FOURCC( 's', 'i', 'n', 'f' )
 186 #define ATOM_schi VLC_FOURCC( 's', 'c', 'h', 'i' )
 187 #define ATOM_user VLC_FOURCC( 'u', 's', 'e', 'r' )
 188 #define ATOM_key  VLC_FOURCC( 'k', 'e', 'y', ' ' )
 189 #define ATOM_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
 190 #define ATOM_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
 191 #define ATOM_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
 192 #define ATOM_drmi VLC_FOURCC( 'd', 'r', 'm', 'i' )
 193 #define ATOM_frma VLC_FOURCC( 'f', 'r', 'm', 'a' )
 194 #define ATOM_skcr VLC_FOURCC( 's', 'k', 'c', 'r' )
 195
 196 #define ATOM_text VLC_FOURCC( 't', 'e', 'x', 't' )
 197 #define ATOM_tx3g VLC_FOURCC( 't', 'x', '3', 'g' )
 198 #define ATOM_subp VLC_FOURCC( 's', 'u', 'b', 'p' )
 199 #define ATOM_sbtl VLC_FOURCC( 's', 'b', 't', 'l' )
 200
 201 #define ATOM_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' )
 202 #define ATOM_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' )
 203 #define ATOM_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' )
 204 #define ATOM_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' )
 205 #define ATOM_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' )
 206 #define ATOM_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
 207 #define ATOM_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' )
 208 #define ATOM_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' )
 209 #define ATOM_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' )
 210 #define ATOM_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' )
 211 #define ATOM_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' )
 212 #define ATOM_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' )
 213 #define ATOM_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' )
 214 #define ATOM_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' )
 215 #define ATOM_0xa9alb VLC_FOURCC( 0xa9, 'a', 'l', 'b' )
 216 #define ATOM_0xa9dis VLC_FOURCC( 0xa9, 'd', 'i', 's' )
 217 #define ATOM_0xa9enc VLC_FOURCC( 0xa9, 'e', 'n', 'c' )
 218 #define ATOM_0xa9trk VLC_FOURCC( 0xa9, 't', 'r', 'k' )
 219 #define ATOM_0xa9url VLC_FOURCC( 0xa9, 'u', 'r', 'l' )
 220 #define ATOM_0xa9dsa VLC_FOURCC( 0xa9, 'd', 's', 'a' )
 221 #define ATOM_0xa9hst VLC_FOURCC( 0xa9, 'h', 's', 't' )
 222 #define ATOM_0xa9ope VLC_FOURCC( 0xa9, 'o', 'p', 'e' )
 223 #define ATOM_0xa9wrt VLC_FOURCC( 0xa9, 'w', 'r', 't' )
 224 #define ATOM_0xa9com VLC_FOURCC( 0xa9, 'c', 'o', 'm' )
 225 #define ATOM_0xa9gen VLC_FOURCC( 0xa9, 'g', 'e', 'n' )
 226 #define ATOM_0xa9too VLC_FOURCC( 0xa9, 't', 'o', 'o' )
 227 #define ATOM_0xa9wrn VLC_FOURCC( 0xa9, 'w', 'r', 'n' )
 228 #define ATOM_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' )
 229 #define ATOM_0xa9mak VLC_FOURCC( 0xa9, 'm', 'a', 'k' )
 230 #define ATOM_0xa9mod VLC_FOURCC( 0xa9, 'm', 'o', 'd' )
 231 #define ATOM_0xa9PRD VLC_FOURCC( 0xa9, 'P', 'R', 'D' )
 232 #define ATOM_0xa9grp VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
 233 #define ATOM_0xa9lyr VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
 234 #define ATOM_chpl VLC_FOURCC( 'c', 'h', 'p', 'l' )
 235 #define ATOM_WLOC VLC_FOURCC( 'W', 'L', 'O', 'C' )
 236
 237 #define ATOM_meta VLC_FOURCC( 'm', 'e', 't', 'a' )
 238 #define ATOM_ilst VLC_FOURCC( 'i', 'l', 's', 't' )
 239
 240 #define ATOM_chap VLC_FOURCC( 'c', 'h', 'a', 'p' )
 241
 242 /* Do you want some debug information on all read boxes ? */
 243 //#define MP4_VERBOSE  1
 244
 245
 246 struct MP4_Box_s;
 247
 248
 249 /* uuid Universal Unique IDentifiers */
 250 typedef struct UUID_s
 251 {
 252     uint8_t b[16];
 253 } UUID_t;
 254
 255 /* specific structure for all boxes */
 256
 257 typedef struct MP4_Box_data_ftyp_s
 258 {
 259     uint32_t i_major_brand;
 260     uint32_t i_minor_version;
 261
 262     uint32_t i_compatible_brands_count;
 263     uint32_t *i_compatible_brands;
 264
 265 } MP4_Box_data_ftyp_t;
 266
 267 typedef struct MP4_Box_data_mvhd_s
 268 {
 269     uint8_t  i_version;
 270     uint32_t i_flags;
 271
 272     uint64_t i_creation_time;
 273     uint64_t i_modification_time;
 274     uint32_t i_timescale;
 275     uint64_t i_duration;
 276
 277     int32_t  i_rate;
 278     int16_t  i_volume;
 279     int16_t  i_reserved1;
 280     uint32_t i_reserved2[2];
 281     int32_t  i_matrix[9];
 282     uint32_t i_predefined[6];
 283     uint32_t i_next_track_id;
 284
 285 } MP4_Box_data_mvhd_t;
 286
 287 #define MP4_TRACK_ENABLED    0x000001
 288 #define MP4_TRACK_IN_MOVIE   0x000002
 289 #define MP4_TRACK_IN_PREVIEW 0x000004
 290 typedef struct MP4_Box_data_tkhd_s
 291 {
 292     uint8_t  i_version;
 293     uint32_t i_flags;
 294
 295     uint64_t i_creation_time;
 296     uint64_t i_modification_time;
 297     uint32_t i_track_ID;
 298     uint32_t i_reserved;
 299     uint64_t i_duration;
 300
 301     uint32_t i_reserved2[2];
 302     int16_t  i_layer;
 303     int16_t  i_predefined;
 304
 305     int16_t  i_volume;
 306     uint16_t i_reserved3;
 307     int32_t  i_matrix[9];
 308     int32_t  i_width;
 309     int32_t  i_height;
 310
 311 } MP4_Box_data_tkhd_t;
 312
 313 typedef struct MP4_Box_data_mdhd_s
 314 {
 315     uint8_t  i_version;
 316     uint32_t i_flags;
 317
 318     uint64_t i_creation_time;
 319     uint64_t i_modification_time;
 320     uint32_t i_timescale;
 321     uint64_t i_duration;
 322
 323     /* one bit for pad */
 324     uint16_t      i_language_code;
 325     /* unsigned int(5)[3] language difference with 0x60*/
 326     unsigned char i_language[3];
 327     uint16_t i_predefined;
 328
 329 } MP4_Box_data_mdhd_t;
 330
 331 typedef struct MP4_Box_data_hdlr_s
 332 {
 333     uint8_t  i_version;
 334     uint32_t i_flags;
 335
 336     uint32_t i_predefined;
 337     uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
 338                            "crsm" "sdsm" "m7sm" "ocsm"
 339                            "ipsm" "mjsm" */
 340
 341     unsigned char *psz_name; /* in UTF-8 */
 342
 343 } MP4_Box_data_hdlr_t;
 344
 345 typedef struct MP4_Box_data_vmhd_s
 346 {
 347     uint8_t  i_version;
 348     uint32_t i_flags;
 349
 350     int16_t  i_graphics_mode;
 351     int16_t  i_opcolor[3];
 352
 353 } MP4_Box_data_vmhd_t;
 354
 355 typedef struct MP4_Box_data_smhd_s
 356 {
 357     uint8_t  i_version;
 358     uint32_t i_flags;
 359
 360     int16_t  i_balance;
 361     int16_t  i_reserved;
 362
 363 } MP4_Box_data_smhd_t;
 364
 365 typedef struct MP4_Box_data_hmhd_s
 366 {
 367     uint8_t  i_version;
 368     uint32_t i_flags;
 369
 370     uint16_t i_max_PDU_size;
 371     uint16_t i_avg_PDU_size;
 372     uint32_t i_max_bitrate;
 373     uint32_t i_avg_bitrate;
 374     uint32_t i_reserved;
 375
 376 } MP4_Box_data_hmhd_t;
 377
 378 typedef struct MP4_Box_data_url_s
 379 {
 380     uint8_t  i_version;
 381     uint32_t i_flags;
 382
 383     char *psz_location;
 384
 385 } MP4_Box_data_url_t;
 386
 387 typedef struct MP4_Box_data_urn_s
 388 {
 389     uint8_t  i_version;
 390     uint32_t i_flags;
 391
 392     char *psz_name;
 393     char *psz_location;
 394
 395 } MP4_Box_data_urn_t;
 396
 397 typedef struct MP4_Box_data_dref_s
 398 {
 399     uint8_t  i_version;
 400     uint32_t i_flags;
 401
 402     uint32_t i_entry_count;
 403 /* XXX it's also a container with i_entry_count entry */
 404 } MP4_Box_data_dref_t;
 405
 406 typedef struct MP4_Box_data_stts_s
 407 {
 408     uint8_t  i_version;
 409     uint32_t i_flags;
 410
 411     uint32_t i_entry_count;
 412     uint32_t *i_sample_count; /* these are array */
 413     int32_t  *i_sample_delta;
 414
 415 } MP4_Box_data_stts_t;
 416
 417 typedef struct MP4_Box_data_ctts_s
 418 {
 419     uint8_t  i_version;
 420     uint32_t i_flags;
 421
 422     uint32_t i_entry_count;
 423
 424     uint32_t *i_sample_count; /* these are array */
 425     int32_t  *i_sample_offset;
 426
 427 } MP4_Box_data_ctts_t;
 428
 429
 430 typedef struct MP4_Box_data_sample_soun_s
 431 {
 432     uint8_t  i_reserved1[6];
 433     uint16_t i_data_reference_index;
 434
 435     //uint32_t i_reserved2[2];
 436     uint16_t i_qt_version;
 437     uint16_t i_qt_revision_level;
 438     uint32_t i_qt_vendor;
 439
 440     uint16_t i_channelcount;
 441     uint16_t i_samplesize;
 442     uint16_t i_predefined;
 443     uint16_t i_reserved3;
 444     uint16_t i_sampleratehi; /* timescale of track */
 445     uint16_t i_sampleratelo;
 446
 447     /* for version 1 (i_reserved1[0] == 1) */
 448     uint32_t i_sample_per_packet;
 449     uint32_t i_bytes_per_packet;
 450     uint32_t i_bytes_per_frame;
 451     uint32_t i_bytes_per_sample;
 452
 453     /* XXX hack */
 454     int     i_qt_description;
 455     uint8_t *p_qt_description;
 456
 457     void    *p_drms;
 458
 459 } MP4_Box_data_sample_soun_t;
 460
 461 typedef struct MP4_Box_data_sample_vide_s
 462 {
 463     uint8_t  i_reserved1[6];
 464     uint16_t i_data_reference_index;
 465
 466     uint16_t i_qt_version;
 467     uint16_t i_qt_revision_level;
 468     uint32_t i_qt_vendor;
 469
 470     uint32_t i_qt_temporal_quality;
 471     uint32_t i_qt_spatial_quality;
 472
 473     int16_t  i_width;
 474     int16_t  i_height;
 475
 476     uint32_t i_horizresolution;
 477     uint32_t i_vertresolution;
 478
 479     uint32_t i_qt_data_size;
 480     uint16_t i_qt_frame_count;
 481
 482     uint8_t  i_compressorname[32];
 483     int16_t  i_depth;
 484
 485     int16_t  i_qt_color_table;
 486
 487     /* XXX hack ImageDescription */
 488     int     i_qt_image_description;
 489     uint8_t *p_qt_image_description;
 490
 491     void    *p_drms;
 492
 493 } MP4_Box_data_sample_vide_t;
 494
 495 #define MP4_TEXT_DISPLAY_FLAG_DONT_DISPLAY       (1<<0)
 496 #define MP4_TEXT_DISPLAY_FLAG_AUTO_SCALE         (1<<1)
 497 #define MP4_TEXT_DISPLAY_FLAG_CLIP_TO_TEXT_BOX   (1<<2)
 498 #define MP4_TEXT_DISPLAY_FLAG_USE_MOVIE_BG_COLOR (1<<3)
 499 #define MP4_TEXT_DISPLAY_FLAG_SHRINK_TEXT_BOX_TO_FIT (1<<4)
 500 #define MP4_TEXT_DISPLAY_FLAG_SCROLL_IN          (1<<5)
 501 #define MP4_TEXT_DISPLAY_FLAG_SCROLL_OUT         (1<<6)
 502 #define MP4_TEXT_DISPLAY_FLAG_HORIZONTAL_SCROLL  (1<<7)
 503 #define MP4_TEXT_DISPLAY_FLAG_REVERSE_SCROLL     (1<<8)
 504 #define MP4_TEXT_DISPLAY_FLAG_CONTINUOUS_SCROLL  (1<<9)
 505 #define MP4_TEXT_DISPLAY_FLAG_FLOW_HORIZONTAL    (1<<10)
 506 #define MP4_TEXT_DISPLAY_FLAG_CONTINUOUS_KARAOKE (1<<11)
 507 #define MP4_TEXT_DISPLAY_FLAG_DROP_SHADOW        (1<<12)
 508 #define MP4_TEXT_DISPLAY_FLAG_ANTI_ALIAS         (1<<13)
 509 #define MP4_TEXT_DISPLAY_FLAG_KEYED_TEXT         (1<<14)
 510 #define MP4_TEXT_DISPLAY_FLAG_INVERSE_HILITE     (1<<15)
 511 #define MP4_TEXT_DISPLAY_FLAG_COLOR_HILITE       (1<<16)
 512 #define MP4_TEXT_DISPLAY_FLAG_WRITE_VERTICALLY   (1<<17)
 513
 514 typedef struct
 515 {
 516     uint32_t i_reserved1;
 517     uint16_t i_reserved2;
 518
 519     uint16_t i_data_reference_index;
 520
 521     uint32_t i_display_flags;   // TextDescription and Tx3gDescription
 522
 523     int8_t i_justification_horizontal; // left(0), centered(1), right(-1)
 524     int8_t i_justification_vertical;   // top(0), centered(1), bottom(-1)
 525
 526     uint16_t i_background_color[4];
 527
 528     uint16_t i_text_box_top;
 529     uint16_t i_text_box_left;
 530     uint16_t i_text_box_bottom;
 531     uint16_t i_text_box_right;
 532
 533     // TODO to complete
 534 } MP4_Box_data_sample_text_t;
 535
 536 typedef struct MP4_Box_data_sample_hint_s
 537 {
 538     uint8_t  i_reserved1[6];
 539     uint16_t i_data_reference_index;
 540
 541     uint8_t *p_data;
 542
 543 } MP4_Box_data_sample_hint_t;
 544
 545 typedef struct MP4_Box_data_moviehintinformation_rtp_s
 546 {
 547     uint32_t i_description_format;
 548     unsigned char *psz_text;
 549
 550 } MP4_Box_data_moviehintinformation_rtp_t;
 551
 552
 553
 554 typedef struct MP4_Box_data_stsd_s
 555 {
 556     uint8_t  i_version;
 557     uint32_t i_flags;
 558
 559     uint32_t i_entry_count;
 560
 561     /* it contains SampleEntry handled as if it was Box */
 562
 563 } MP4_Box_data_stsd_t;
 564
 565
 566 typedef struct MP4_Box_data_stsz_s
 567 {
 568     uint8_t  i_version;
 569     uint32_t i_flags;
 570
 571     uint32_t i_sample_size;
 572     uint32_t i_sample_count;
 573
 574     uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
 575
 576 } MP4_Box_data_stsz_t;
 577
 578 typedef struct MP4_Box_data_stz2_s
 579 {
 580     uint8_t  i_version;
 581     uint32_t i_flags;
 582
 583     uint32_t i_sample_size; /* 24 bits */
 584     uint8_t  i_field_size;
 585     uint32_t i_sample_count;
 586
 587     uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
 588
 589 } MP4_Box_data_stz2_t;
 590
 591 typedef struct MP4_Box_data_stsc_s
 592 {
 593     uint8_t  i_version;
 594     uint32_t i_flags;
 595
 596     uint32_t i_entry_count;
 597
 598     uint32_t *i_first_chunk; /* theses are arrays */
 599     uint32_t *i_samples_per_chunk;
 600     uint32_t *i_sample_description_index;
 601
 602 } MP4_Box_data_stsc_t;
 603
 604
 605 typedef struct MP4_Box_data_co64_s
 606 {
 607     uint8_t  i_version;
 608     uint32_t i_flags;
 609
 610     uint32_t i_entry_count;
 611
 612     uint64_t *i_chunk_offset;
 613
 614 } MP4_Box_data_co64_t;
 615
 616
 617 typedef struct MP4_Box_data_stss_s
 618 {
 619     uint8_t  i_version;
 620     uint32_t i_flags;
 621
 622     uint32_t i_entry_count;
 623
 624     uint32_t *i_sample_number;
 625
 626 } MP4_Box_data_stss_t;
 627
 628 typedef struct MP4_Box_data_stsh_s
 629 {
 630     uint8_t  i_version;
 631     uint32_t i_flags;
 632
 633     uint32_t i_entry_count;
 634
 635     uint32_t *i_shadowed_sample_number;
 636     uint32_t *i_sync_sample_number;
 637
 638 } MP4_Box_data_stsh_t;
 639
 640 typedef struct MP4_Box_data_stdp_s
 641 {
 642     uint8_t  i_version;
 643     uint32_t i_flags;
 644
 645     uint16_t *i_priority;
 646
 647 } MP4_Box_data_stdp_t;
 648
 649 typedef struct MP4_Box_data_padb_s
 650 {
 651     uint8_t  i_version;
 652     uint32_t i_flags;
 653
 654     uint32_t i_sample_count;
 655
 656     uint16_t *i_reserved1;   /* 1bit  */
 657     uint16_t *i_pad2;        /* 3bits */
 658     uint16_t *i_reserved2;   /* 1bit  */
 659     uint16_t *i_pad1;        /* 3bits */
 660
 661
 662 } MP4_Box_data_padb_t;
 663
 664
 665 typedef struct MP4_Box_data_elst_s
 666 {
 667     uint8_t  i_version;
 668     uint32_t i_flags;
 669
 670     uint32_t i_entry_count;
 671
 672     uint64_t *i_segment_duration;
 673     int64_t  *i_media_time;
 674     uint16_t *i_media_rate_integer;
 675     uint16_t *i_media_rate_fraction;
 676
 677
 678 } MP4_Box_data_elst_t;
 679
 680 typedef struct MP4_Box_data_cprt_s
 681 {
 682     uint8_t  i_version;
 683     uint32_t i_flags;
 684     /* 1 pad bit */
 685     unsigned char i_language[3];
 686
 687     char *psz_notice;
 688 } MP4_Box_data_cprt_t;
 689
 690
 691 /* DecoderConfigDescriptor */
 692 typedef struct MP4_descriptor_decoder_config_s
 693 {
 694     uint8_t i_objectTypeIndication;
 695     uint8_t i_streamType;
 696     int     b_upStream;
 697     int     i_buffer_sizeDB;
 698     int     i_max_bitrate;
 699     int     i_avg_bitrate;
 700
 701     int     i_decoder_specific_info_len;
 702     uint8_t *p_decoder_specific_info;
 703     /* some other stuff */
 704
 705 } MP4_descriptor_decoder_config_t;
 706
 707 typedef struct MP4_descriptor_SL_config_s
 708 {
 709
 710     int i_dummy; /* ANSI C forbids empty structures */
 711
 712 } MP4_descriptor_SL_config_t;
 713
 714
 715 typedef struct MP4_descriptor_ES_s
 716 {
 717     uint16_t i_ES_ID;
 718     int      b_stream_dependence;
 719     int      b_url;
 720     int      b_OCRstream;
 721     int      i_stream_priority;
 722
 723     int      i_depend_on_ES_ID; /* if b_stream_dependence set */
 724
 725     unsigned char *psz_URL;
 726
 727     uint16_t i_OCR_ES_ID;       /* if b_OCRstream */
 728     MP4_descriptor_decoder_config_t *p_decConfigDescr;
 729
 730     MP4_descriptor_SL_config_t *p_slConfigDescr;
 731
 732     /* some other stuff ... */
 733
 734 } MP4_descriptor_ES_t;
 735
 736 /* ES descriptor */
 737 typedef struct MP4_Box_data_esds_s
 738 {
 739     uint8_t  i_version;
 740     uint32_t i_flags;
 741
 742     MP4_descriptor_ES_t es_descriptor;
 743
 744 } MP4_Box_data_esds_t;
 745
 746
 747 typedef struct MP4_Box_data_dcom_s
 748 {
 749     uint32_t i_algorithm; /* fourcc */
 750
 751 } MP4_Box_data_dcom_t;
 752
 753 typedef struct MP4_Box_data_cmvd_s
 754 {
 755     uint32_t i_uncompressed_size;
 756     uint32_t i_compressed_size;
 757
 758     int     b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
 759     uint8_t *p_data;
 760
 761 } MP4_Box_data_cmvd_t;
 762
 763 typedef struct MP4_Box_data_cmov_s
 764 {
 765     struct MP4_Box_s *p_moov; /* uncompressed moov */
 766
 767 } MP4_Box_data_cmov_t;
 768
 769 typedef struct
 770 {
 771     uint32_t i_type;
 772 } MP4_Box_data_frma_t;
 773
 774 typedef struct
 775 {
 776     uint32_t i_init;
 777     uint32_t i_encr;
 778     uint32_t i_decr;
 779 } MP4_Box_data_skcr_t;
 780
 781 typedef struct
 782 {
 783     uint8_t  i_version;
 784     uint32_t i_flags;
 785
 786     uint32_t i_ref_type;
 787     char     *psz_ref;
 788
 789 } MP4_Box_data_rdrf_t;
 790
 791 typedef struct
 792 {
 793     uint8_t  i_version;
 794     uint32_t i_flags;
 795
 796     uint32_t i_rate;
 797
 798 } MP4_Box_data_rmdr_t;
 799
 800 typedef struct
 801 {
 802     uint8_t  i_version;
 803     uint32_t i_flags;
 804
 805     uint32_t i_gestaltType;
 806     uint32_t i_val1;
 807     uint32_t i_val2;
 808     uint16_t i_checkType;   /* 0: val1 is version min
 809                                1: gestalt value & val2 == val1 */
 810
 811 } MP4_Box_data_rmvc_t;
 812
 813 typedef struct
 814 {
 815     uint8_t  i_version;
 816     uint32_t i_flags;
 817
 818
 819 } MP4_Box_data_rmcd_t;
 820
 821 typedef struct
 822 {
 823     uint32_t i_quality;
 824
 825 } MP4_Box_data_rmqu_t;
 826
 827 typedef struct MP4_Box_data_mfhd_s
 828 {
 829     uint32_t i_sequence_number;
 830
 831     uint8_t *p_vendor_extension;
 832
 833 } MP4_Box_data_mfhd_t;
 834
 835 #define MP4_TFHD_BASE_DATA_OFFSET     (1LL<<0)
 836 #define MP4_TFHD_SAMPLE_DESC_INDEX    (1LL<<1)
 837 #define MP4_TFHD_DFLT_SAMPLE_DURATION (1LL<<3)
 838 #define MP4_TFHD_DFLT_SAMPLE_SIZE     (1LL<<4)
 839 #define MP4_TFHD_DFLT_SAMPLE_FLAGS    (1LL<<5)
 840 typedef struct MP4_Box_data_tfhd_s
 841 {
 842     uint8_t  i_version;
 843     uint32_t i_flags;
 844     uint32_t i_track_ID;
 845
 846     /* optional fields */
 847     uint64_t i_base_data_offset;
 848     uint32_t i_sample_description_index;
 849     uint32_t i_default_sample_duration;
 850     uint32_t i_default_sample_size;
 851     uint32_t i_default_sample_flags;
 852
 853 } MP4_Box_data_tfhd_t;
 854
 855 #define MP4_TRUN_DATA_OFFSET         (1<<0)
 856 #define MP4_TRUN_FIRST_FLAGS         (1<<2)
 857 #define MP4_TRUN_SAMPLE_DURATION     (1<<8)
 858 #define MP4_TRUN_SAMPLE_SIZE         (1<<9)
 859 #define MP4_TRUN_SAMPLE_FLAGS        (1<<10)
 860 #define MP4_TRUN_SAMPLE_TIME_OFFSET  (1<<11)
 861 typedef struct MP4_descriptor_trun_sample_t
 862 {
 863     uint32_t i_duration;
 864     uint32_t i_size;
 865     uint32_t i_flags;
 866     uint32_t i_composition_time_offset;
 867 } MP4_descriptor_trun_sample_t;
 868
 869 typedef struct MP4_Box_data_trun_s
 870 {
 871     uint8_t  i_version;
 872     uint32_t i_flags;
 873     uint32_t i_sample_count;
 874
 875     /* optional fields */
 876     uint32_t i_data_offset;
 877     uint32_t i_first_sample_flags;
 878
 879     MP4_descriptor_trun_sample_t *p_samples;
 880
 881 } MP4_Box_data_trun_t;
 882
 883
 884 typedef struct
 885 {
 886     char *psz_text;
 887
 888 } MP4_Box_data_0xa9xxx_t;
 889
 890 typedef struct
 891 {
 892     char *psz_text;
 893
 894 } MP4_Box_data_name_t;
 895
 896 typedef struct
 897 {
 898     uint32_t i_entry_count;
 899     uint32_t *i_track_ID;
 900
 901 } MP4_Box_data_tref_generic_t;
 902
 903 typedef struct
 904 {
 905     uint8_t  i_version;
 906     uint32_t i_flags;
 907
 908     uint8_t i_chapter;
 909     struct
 910     {
 911         char    *psz_name;
 912         int64_t  i_start;
 913     } chapter[256];
 914 } MP4_Box_data_chpl_t;
 915
 916 typedef struct
 917 {
 918     uint8_t i_version;
 919     uint8_t i_profile;
 920     uint8_t i_profile_compatibility;
 921     uint8_t i_level;
 922
 923     uint8_t i_reserved1;     /* 6 bits */
 924     uint8_t i_length_size;
 925
 926     uint8_t i_reserved2;    /* 3 bits */
 927     uint8_t  i_sps;
 928     uint16_t *i_sps_length;
 929     uint8_t  **sps;
 930
 931     uint8_t  i_pps;
 932     uint16_t *i_pps_length;
 933     uint8_t  **pps;
 934
 935     /* XXX: Hack raw avcC atom payload */
 936     int     i_avcC;
 937     uint8_t *p_avcC;
 938
 939 } MP4_Box_data_avcC_t;
 940
 941 typedef struct
 942 {
 943     uint8_t i_fscod;
 944     uint8_t i_bsid;
 945     uint8_t i_bsmod;
 946     uint8_t i_acmod;
 947     uint8_t i_lfeon;
 948     uint8_t i_bitrate_code;
 949
 950 } MP4_Box_data_dac3_t;
 951
 952 typedef struct
 953 {
 954     uint16_t i_little_endian;
 955
 956 } MP4_Box_data_enda_t;
 957
 958 typedef struct
 959 {
 960     uint16_t i_genre;
 961
 962 } MP4_Box_data_gnre_t;
 963
 964 typedef struct
 965 {
 966     uint32_t i_track_number;
 967     uint32_t i_track_total;
 968
 969 } MP4_Box_data_trkn_t;
 970
 971 typedef struct
 972 {
 973     uint8_t  i_version;
 974     uint32_t i_flags;
 975
 976     uint16_t i_object_descriptor;
 977     uint8_t i_OD_profile_level;
 978     uint8_t i_scene_profile_level;
 979     uint8_t i_audio_profile_level;
 980     uint8_t i_visual_profile_level;
 981     uint8_t i_graphics_profile_level;
 982
 983 } MP4_Box_data_iods_t;
 984
 985 typedef struct
 986 {
 987     uint32_t i_horizontal_spacing;
 988     uint32_t i_vertical_spacing;
 989 } MP4_Box_data_pasp_t;
 990
 991 /*
 992 typedef struct MP4_Box_data__s
 993 {
 994     uint8_t  i_version;
 995     uint32_t i_flags;
 996
 997 } MP4_Box_data__t;
 998
 999 */
1000
1001 typedef union MP4_Box_data_s
1002 {
1003     MP4_Box_data_ftyp_t *p_ftyp;
1004     MP4_Box_data_mvhd_t *p_mvhd;
1005     MP4_Box_data_mfhd_t *p_mfhd;
1006     MP4_Box_data_tfhd_t *p_tfhd;
1007     MP4_Box_data_trun_t *p_trun;
1008     MP4_Box_data_tkhd_t *p_tkhd;
1009     MP4_Box_data_mdhd_t *p_mdhd;
1010     MP4_Box_data_hdlr_t *p_hdlr;
1011     MP4_Box_data_vmhd_t *p_vmhd;
1012     MP4_Box_data_smhd_t *p_smhd;
1013     MP4_Box_data_hmhd_t *p_hmhd;
1014     MP4_Box_data_url_t  *p_url;
1015     MP4_Box_data_urn_t  *p_urn;
1016     MP4_Box_data_dref_t *p_dref;
1017     MP4_Box_data_stts_t *p_stts;
1018     MP4_Box_data_ctts_t *p_ctts;
1019     MP4_Box_data_stsd_t *p_stsd;
1020     MP4_Box_data_sample_vide_t *p_sample_vide;
1021     MP4_Box_data_sample_soun_t *p_sample_soun;
1022     MP4_Box_data_sample_text_t *p_sample_text;
1023     MP4_Box_data_sample_hint_t *p_sample_hint;
1024
1025     MP4_Box_data_esds_t *p_esds;
1026     MP4_Box_data_avcC_t *p_avcC;
1027     MP4_Box_data_dac3_t *p_dac3;
1028     MP4_Box_data_enda_t *p_enda;
1029     MP4_Box_data_gnre_t *p_gnre;
1030     MP4_Box_data_trkn_t *p_trkn;
1031     MP4_Box_data_iods_t *p_iods;
1032     MP4_Box_data_pasp_t *p_pasp;
1033
1034     MP4_Box_data_stsz_t *p_stsz;
1035     MP4_Box_data_stz2_t *p_stz2;
1036     MP4_Box_data_stsc_t *p_stsc;
1037     MP4_Box_data_co64_t *p_co64;
1038     MP4_Box_data_stss_t *p_stss;
1039     MP4_Box_data_stsh_t *p_stsh;
1040     MP4_Box_data_stdp_t *p_stdp;
1041     MP4_Box_data_padb_t *p_padb;
1042     MP4_Box_data_elst_t *p_elst;
1043     MP4_Box_data_cprt_t *p_cprt;
1044
1045     MP4_Box_data_dcom_t *p_dcom;
1046     MP4_Box_data_cmvd_t *p_cmvd;
1047     MP4_Box_data_cmov_t *p_cmov;
1048
1049     MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
1050
1051     MP4_Box_data_frma_t *p_frma;
1052     MP4_Box_data_skcr_t *p_skcr;
1053
1054     MP4_Box_data_rdrf_t *p_rdrf;
1055     MP4_Box_data_rmdr_t *p_rmdr;
1056     MP4_Box_data_rmqu_t *p_rmqu;
1057     MP4_Box_data_rmvc_t *p_rmvc;
1058
1059     MP4_Box_data_0xa9xxx_t *p_0xa9xxx;
1060     MP4_Box_data_chpl_t *p_chpl;
1061     MP4_Box_data_tref_generic_t *p_tref_generic;
1062     MP4_Box_data_name_t *p_name;
1063
1064     void                *p_data; /* for unknow type */
1065 } MP4_Box_data_t;
1066
1067
1068
1069 /* the most basic structure */
1070 typedef struct MP4_Box_s
1071 {
1072     off_t        i_pos;      /* absolute position */
1073
1074     uint32_t     i_type;
1075     uint32_t     i_shortsize;
1076
1077     UUID_t       i_uuid;  /* Set if i_type == "uuid" */
1078
1079     uint64_t     i_size; /* always set so use it */
1080
1081     MP4_Box_data_t   data;   /* union of pointers on extended data depending
1082                                 on i_type (or i_usertype) */
1083
1084     struct MP4_Box_s *p_father; /* pointer on the father Box */
1085
1086     struct MP4_Box_s *p_first;  /* pointer on the first child Box */
1087     struct MP4_Box_s *p_last;
1088
1089     struct MP4_Box_s *p_next;   /* pointer on the next boxes at the same level */
1090
1091 } MP4_Box_t;
1092
1093
1094
1095 /*****************************************************************************
1096  * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
1097  *****************************************************************************
1098  *  The first box is a virtual box "root" and is the father for all first
1099  *  level boxes
1100  *****************************************************************************/
1101 MP4_Box_t *MP4_BoxGetRoot( stream_t * );
1102
1103 /*****************************************************************************
1104  * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
1105  *               or MP4_BoxGetRoot, this means also children boxes
1106  * XXX : all children have to be allocated by a malloc !! and
1107  *         p_box is freed
1108  *****************************************************************************/
1109 void MP4_BoxFree( stream_t *, MP4_Box_t *p_box );
1110
1111 /*****************************************************************************
1112  * MP4_DumpBoxStructure: print the structure of the p_box
1113  *****************************************************************************
1114  * Useful while debugging
1115  *****************************************************************************/
1116 void MP4_BoxDumpStructure( stream_t *p_input, MP4_Box_t *p_box );
1117
1118 /*****************************************************************************
1119  * MP4_BoxGet: find a box given a path relative to p_box
1120  *****************************************************************************
1121  * Path Format: . .. / as usual
1122  *              [number] to specifie box number ex: trak[12]
1123  *
1124  * ex: /moov/trak[12]
1125  *     ../mdia
1126  *****************************************************************************/
1127 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... );
1128
1129 /*****************************************************************************
1130  * MP4_BoxCount: find number of box given a path relative to p_box
1131  *****************************************************************************
1132  * Path Format: . .. / as usual
1133  *              [number] to specifie box number ex: trak[12]
1134  *
1135  * ex: /moov/trak
1136  *     ../mdia
1137  *****************************************************************************/
1138 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... );
1139
1140 /* Internal functions exposed for MKV demux */
1141 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box );
1142 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box );
1143 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box );
1144
1145 #endif