1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 VideoLAN
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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.
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.
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 *****************************************************************************/
23 #define FOURCC_uuid VLC_FOURCC( 'u', 'u', 'i', 'd' )
25 #define FOURCC_ftyp VLC_FOURCC( 'f', 't', 'y', 'p' )
26 #define FOURCC_moov VLC_FOURCC( 'm', 'o', 'o', 'v' )
27 #define FOURCC_foov VLC_FOURCC( 'f', 'o', 'o', 'v' )
28 #define FOURCC_cmov VLC_FOURCC( 'c', 'm', 'o', 'v' )
29 #define FOURCC_dcom VLC_FOURCC( 'd', 'c', 'o', 'm' )
30 #define FOURCC_cmvd VLC_FOURCC( 'c', 'm', 'v', 'd' )
32 #define FOURCC_moof VLC_FOURCC( 'm', 'o', 'o', 'f' )
33 #define FOURCC_mdat VLC_FOURCC( 'm', 'd', 'a', 't' )
34 #define FOURCC_skip VLC_FOURCC( 's', 'k', 'i', 'p' )
35 #define FOURCC_free VLC_FOURCC( 'f', 'r', 'e', 'e' )
36 #define FOURCC_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
37 #define FOURCC_wide VLC_FOURCC( 'w', 'i', 'd', 'e' )
39 #define FOURCC_trak VLC_FOURCC( 't', 'r', 'a', 'k' )
40 #define FOURCC_mvhd VLC_FOURCC( 'm', 'v', 'h', 'd' )
41 #define FOURCC_tkhd VLC_FOURCC( 't', 'k', 'h', 'd' )
42 #define FOURCC_tref VLC_FOURCC( 't', 'r', 'e', 'f' )
43 #define FOURCC_mdia VLC_FOURCC( 'm', 'd', 'i', 'a' )
44 #define FOURCC_mdhd VLC_FOURCC( 'm', 'd', 'h', 'd' )
45 #define FOURCC_hdlr VLC_FOURCC( 'h', 'd', 'l', 'r' )
46 #define FOURCC_minf VLC_FOURCC( 'm', 'i', 'n', 'f' )
47 #define FOURCC_vmhd VLC_FOURCC( 'v', 'm', 'h', 'd' )
48 #define FOURCC_smhd VLC_FOURCC( 's', 'm', 'h', 'd' )
49 #define FOURCC_hmhd VLC_FOURCC( 'h', 'm', 'h', 'd' )
50 #define FOURCC_dinf VLC_FOURCC( 'd', 'i', 'n', 'f' )
51 #define FOURCC_url VLC_FOURCC( 'u', 'r', 'l', ' ' )
52 #define FOURCC_urn VLC_FOURCC( 'u', 'r', 'n', ' ' )
53 #define FOURCC_dref VLC_FOURCC( 'd', 'r', 'e', 'f' )
54 #define FOURCC_stbl VLC_FOURCC( 's', 't', 'b', 'l' )
55 #define FOURCC_stts VLC_FOURCC( 's', 't', 't', 's' )
56 #define FOURCC_ctts VLC_FOURCC( 'c', 't', 't', 's' )
57 #define FOURCC_stsd VLC_FOURCC( 's', 't', 's', 'd' )
58 #define FOURCC_stsz VLC_FOURCC( 's', 't', 's', 'z' )
59 #define FOURCC_stz2 VLC_FOURCC( 's', 't', 'z', '2' )
60 #define FOURCC_stsc VLC_FOURCC( 's', 't', 's', 'c' )
61 #define FOURCC_stco VLC_FOURCC( 's', 't', 'c', 'o' )
62 #define FOURCC_co64 VLC_FOURCC( 'c', 'o', '6', '4' )
63 #define FOURCC_stss VLC_FOURCC( 's', 't', 's', 's' )
64 #define FOURCC_stsh VLC_FOURCC( 's', 't', 's', 'h' )
65 #define FOURCC_stdp VLC_FOURCC( 's', 't', 'd', 'p' )
66 #define FOURCC_padb VLC_FOURCC( 'p', 'a', 'd', 'b' )
67 #define FOURCC_edts VLC_FOURCC( 'e', 'd', 't', 's' )
68 #define FOURCC_elst VLC_FOURCC( 'e', 'l', 's', 't' )
69 #define FOURCC_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
70 #define FOURCC_mvex VLC_FOURCC( 'm', 'v', 'e', 'x' )
71 #define FOURCC_trex VLC_FOURCC( 't', 'r', 'e', 'x' )
72 #define FOURCC_mfhd VLC_FOURCC( 'm', 'f', 'h', 'd' )
73 #define FOURCC_traf VLC_FOURCC( 't', 'r', 'a', 'f' )
74 #define FOURCC_tfhd VLC_FOURCC( 't', 'f', 'h', 'd' )
75 #define FOURCC_trun VLC_FOURCC( 't', 'r', 'u', 'n' )
76 #define FOURCC_cprt VLC_FOURCC( 'c', 'p', 'r', 't' )
77 #define FOURCC_iods VLC_FOURCC( 'i', 'o', 'd', 's' )
79 #define FOURCC_nmhd VLC_FOURCC( 'n', 'm', 'h', 'd' )
80 #define FOURCC_mp4v VLC_FOURCC( 'm', 'p', '4', 'v' )
81 #define FOURCC_mp4a VLC_FOURCC( 'm', 'p', '4', 'a' )
82 #define FOURCC_mp4s VLC_FOURCC( 'm', 'p', '4', 's' )
83 #define FOURCC_vide VLC_FOURCC( 'v', 'i', 'd', 'e' )
84 #define FOURCC_soun VLC_FOURCC( 's', 'o', 'u', 'n' )
85 #define FOURCC_hint VLC_FOURCC( 'h', 'i', 'n', 't' )
87 #define FOURCC_dpnd VLC_FOURCC( 'd', 'p', 'n', 'd' )
88 #define FOURCC_ipir VLC_FOURCC( 'i', 'p', 'i', 'r' )
89 #define FOURCC_mpod VLC_FOURCC( 'm', 'p', 'o', 'd' )
90 #define FOURCC_hnti VLC_FOURCC( 'h', 'n', 't', 'i' )
91 #define FOURCC_rtp VLC_FOURCC( 'r', 't', 'p', ' ' )
93 #define FOURCC_isom VLC_FOURCC( 'i', 's', 'o', 'm' )
94 #define FOURCC_esds VLC_FOURCC( 'e', 's', 'd', 's' )
96 #define FOURCC__mp3 VLC_FOURCC( '.', 'm', 'p', '3' )
97 #define FOURCC_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 )
98 #define FOURCC_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 )
99 #define FOURCC_ms55 VLC_FOURCC( 'm', 's', 0x0, 0x55 )
100 #define FOURCC_twos VLC_FOURCC( 't', 'w', 'o', 's' )
101 #define FOURCC_sowt VLC_FOURCC( 's', 'o', 'w', 't' )
102 #define FOURCC_QDMC VLC_FOURCC( 'Q', 'D', 'M', 'C' )
103 #define FOURCC_QDM2 VLC_FOURCC( 'Q', 'D', 'M', '2' )
104 #define FOURCC_ima4 VLC_FOURCC( 'i', 'm', 'a', '4' )
105 #define FOURCC_IMA4 VLC_FOURCC( 'I', 'M', 'A', '4' )
106 #define FOURCC_dvi VLC_FOURCC( 'd', 'v', 'i', ' ' )
107 #define FOURCC_MAC3 VLC_FOURCC( 'M', 'A', 'C', '3' )
108 #define FOURCC_MAC6 VLC_FOURCC( 'M', 'A', 'C', '6' )
109 #define FOURCC_alaw VLC_FOURCC( 'a', 'l', 'a', 'w' )
110 #define FOURCC_ulaw VLC_FOURCC( 'u', 'l', 'a', 'w' )
111 #define FOURCC_Qclp VLC_FOURCC( 'Q', 'c', 'l', 'p' )
112 #define FOURCC_samr VLC_FOURCC( 's', 'a', 'm', 'r' )
113 #define FOURCC_OggS VLC_FOURCC( 'O', 'g', 'g', 'S' )
115 #define FOURCC_zlib VLC_FOURCC( 'z', 'l', 'i', 'b' )
116 #define FOURCC_SVQ1 VLC_FOURCC( 'S', 'V', 'Q', '1' )
117 #define FOURCC_SVQ3 VLC_FOURCC( 'S', 'V', 'Q', '3' )
118 #define FOURCC_ZyGo VLC_FOURCC( 'Z', 'y', 'G', 'o' )
119 #define FOURCC_3IV1 VLC_FOURCC( '3', 'I', 'V', '1' )
120 #define FOURCC_3iv1 VLC_FOURCC( '3', 'i', 'v', '1' )
121 #define FOURCC_3IV2 VLC_FOURCC( '3', 'I', 'V', '2' )
122 #define FOURCC_3iv2 VLC_FOURCC( '3', 'i', 'v', '2' )
123 #define FOURCC_3IVD VLC_FOURCC( '3', 'I', 'V', 'D' )
124 #define FOURCC_3ivd VLC_FOURCC( '3', 'i', 'v', 'd' )
125 #define FOURCC_3VID VLC_FOURCC( '3', 'V', 'I', 'D' )
126 #define FOURCC_3vid VLC_FOURCC( '3', 'v', 'i', 'd' )
127 #define FOURCC_h263 VLC_FOURCC( 'h', '2', '6', '3' )
128 #define FOURCC_s263 VLC_FOURCC( 's', '2', '6', '3' )
129 #define FOURCC_DIVX VLC_FOURCC( 'D', 'I', 'V', 'X' )
130 #define FOURCC_XVID VLC_FOURCC( 'X', 'V', 'I', 'D' )
131 #define FOURCC_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' )
132 #define FOURCC_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' )
133 #define FOURCC_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' )
134 #define FOURCC_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' )
135 #define FOURCC_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
136 #define FOURCC_VP31 VLC_FOURCC( 'V', 'P', '3', '1' )
137 #define FOURCC_vp31 VLC_FOURCC( 'v', 'p', '3', '1' )
138 #define FOURCC_h264 VLC_FOURCC( 'h', '2', '6', '4' )
140 #define FOURCC_avc1 VLC_FOURCC( 'a', 'v', 'c', '1' )
141 #define FOURCC_avcC VLC_FOURCC( 'a', 'v', 'c', 'C' )
142 #define FOURCC_m4ds VLC_FOURCC( 'm', '4', 'd', 's' )
144 #define FOURCC_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' )
145 #define FOURCC_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' )
146 #define FOURCC_raw VLC_FOURCC( 'r', 'a', 'w', ' ' )
148 #define FOURCC_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
151 #define FOURCC_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
152 #define FOURCC_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
153 #define FOURCC_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
154 #define FOURCC_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
155 #define FOURCC_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
156 #define FOURCC_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
157 #define FOURCC_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
158 #define FOURCC_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
160 #define FOURCC_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' )
161 #define FOURCC_wave VLC_FOURCC( 'w', 'a', 'v', 'e' )
163 #define FOURCC_drms VLC_FOURCC( 'd', 'r', 'm', 's' )
164 #define FOURCC_sinf VLC_FOURCC( 's', 'i', 'n', 'f' )
165 #define FOURCC_schi VLC_FOURCC( 's', 'c', 'h', 'i' )
166 #define FOURCC_user VLC_FOURCC( 'u', 's', 'e', 'r' )
167 #define FOURCC_key VLC_FOURCC( 'k', 'e', 'y', ' ' )
168 #define FOURCC_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
169 #define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
170 #define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
172 #define FOURCC_text VLC_FOURCC( 't', 'e', 'x', 't' )
174 #define FOURCC_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' )
175 #define FOURCC_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' )
176 #define FOURCC_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' )
177 #define FOURCC_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' )
178 #define FOURCC_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' )
179 #define FOURCC_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' )
180 #define FOURCC_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
181 #define FOURCC_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' )
182 #define FOURCC_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' )
183 #define FOURCC_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' )
184 #define FOURCC_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' )
185 #define FOURCC_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' )
186 #define FOURCC_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' )
187 #define FOURCC_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' )
188 #define FOURCC_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' )
190 /* Do you want some debug information on all read boxes ? */
191 #define MP4_VERBOSE 1
193 /* memory stream and file stream object */
195 typedef struct MP4_Stream_s
197 int b_memory; /* do we uses a memory buffer */
201 off_t i_start; /* in the buffer position for memory stream */
210 /* uuid Universal Unique IDentifiers */
211 typedef struct UUID_s
216 /* specific structure for all boxes */
218 typedef struct MP4_Box_data_ftyp_s
220 uint32_t i_major_brand;
221 uint32_t i_minor_version;
223 uint32_t i_compatible_brands_count;
224 uint32_t *i_compatible_brands;
226 } MP4_Box_data_ftyp_t;
228 typedef struct MP4_Box_data_mvhd_s
233 uint64_t i_creation_time;
234 uint64_t i_modification_time;
235 uint32_t i_timescale;
241 uint32_t i_reserved2[2];
243 uint32_t i_predefined[6];
244 uint32_t i_next_track_id;
246 } MP4_Box_data_mvhd_t;
248 #define MP4_TRACK_ENABLED 0x000001
249 #define MP4_TRACK_IN_MOVIE 0x000002
250 #define MP4_TRACK_IN_PREVIEW 0x000004
251 typedef struct MP4_Box_data_tkhd_s
256 uint64_t i_creation_time;
257 uint64_t i_modification_time;
262 uint32_t i_reserved2[2];
264 int16_t i_predefined;
267 uint16_t i_reserved3;
272 } MP4_Box_data_tkhd_t;
274 typedef struct MP4_Box_data_mdhd_s
279 uint64_t i_creation_time;
280 uint64_t i_modification_time;
281 uint32_t i_timescale;
284 /* one bit for pad */
285 /* unsigned int(5)[3] language difference with 0x60*/
286 unsigned char i_language[3];
287 uint16_t i_predefined;
289 } MP4_Box_data_mdhd_t;
291 typedef struct MP4_Box_data_hdlr_s
296 uint32_t i_predefined;
297 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
298 "crsm" "sdsm" "m7sm" "ocsm"
301 unsigned char *psz_name; /* in UTF-8 */
303 } MP4_Box_data_hdlr_t;
305 typedef struct MP4_Box_data_vmhd_s
310 int16_t i_graphics_mode;
311 int16_t i_opcolor[3];
313 } MP4_Box_data_vmhd_t;
315 typedef struct MP4_Box_data_smhd_s
323 } MP4_Box_data_smhd_t;
325 typedef struct MP4_Box_data_hmhd_s
330 uint16_t i_max_PDU_size;
331 uint16_t i_avg_PDU_size;
332 uint32_t i_max_bitrate;
333 uint32_t i_avg_bitrate;
336 } MP4_Box_data_hmhd_t;
338 typedef struct MP4_Box_data_url_s
343 unsigned char *psz_location;
345 } MP4_Box_data_url_t;
347 typedef struct MP4_Box_data_urn_s
352 unsigned char *psz_name;
353 unsigned char *psz_location;
355 } MP4_Box_data_urn_t;
357 typedef struct MP4_Box_data_dref_s
362 uint32_t i_entry_count;
363 /* XXX it's also a container with i_entry_count entry */
364 } MP4_Box_data_dref_t;
366 typedef struct MP4_Box_data_stts_s
371 uint32_t i_entry_count;
372 uint32_t *i_sample_count; /* these are array */
373 int32_t *i_sample_delta;
375 } MP4_Box_data_stts_t;
377 typedef struct MP4_Box_data_ctts_s
382 uint32_t i_entry_count;
384 uint32_t *i_sample_count; /* these are array */
385 int32_t *i_sample_offset;
387 } MP4_Box_data_ctts_t;
390 typedef struct MP4_Box_data_sample_soun_s
392 uint8_t i_reserved1[6];
393 uint16_t i_data_reference_index;
395 //uint32_t i_reserved2[2];
396 uint16_t i_qt_version;
397 uint16_t i_qt_revision_level;
398 uint32_t i_qt_vendor;
400 uint16_t i_channelcount;
401 uint16_t i_samplesize;
402 uint16_t i_predefined;
403 uint16_t i_reserved3;
404 uint16_t i_sampleratehi; /* timescale of track */
405 uint16_t i_sampleratelo;
407 /* for version 1 (i_reserved1[0] == 1) */
408 uint32_t i_sample_per_packet;
409 uint32_t i_bytes_per_packet;
410 uint32_t i_bytes_per_frame;
411 uint32_t i_bytes_per_sample;
414 int i_qt_description;
415 uint8_t *p_qt_description;
419 } MP4_Box_data_sample_soun_t;
421 typedef struct MP4_Box_data_sample_vide_s
423 uint8_t i_reserved1[6];
424 uint16_t i_data_reference_index;
426 uint16_t i_qt_version;
427 uint16_t i_qt_revision_level;
428 uint32_t i_qt_vendor;
430 uint32_t i_qt_temporal_quality;
431 uint32_t i_qt_spatial_quality;
436 uint32_t i_horizresolution;
437 uint32_t i_vertresolution;
439 uint32_t i_qt_data_size;
440 uint16_t i_qt_frame_count;
442 uint8_t i_compressorname[32];
445 int16_t i_qt_color_table;
447 /* XXX hack ImageDescription */
448 int i_qt_image_description;
449 uint8_t *p_qt_image_description;
451 } MP4_Box_data_sample_vide_t;
455 uint8_t i_reserved1[6];
456 uint16_t i_data_reference_index;
458 uint32_t i_display_flags;
459 uint32_t i_justification;
460 uint16_t i_background_color[3];
462 uint64_t i_reserved2;
463 uint16_t i_font_number;
464 uint16_t i_font_face;
465 uint16_t i_reserved3;
467 uint16_t i_foreground_color[3];
470 } MP4_Box_data_sample_text_t;
472 typedef struct MP4_Box_data_sample_hint_s
474 uint8_t i_reserved1[6];
475 uint16_t i_data_reference_index;
479 } MP4_Box_data_sample_hint_t;
481 typedef struct MP4_Box_data_moviehintinformation_rtp_s
483 uint32_t i_description_format;
484 unsigned char *psz_text;
486 } MP4_Box_data_moviehintinformation_rtp_t;
490 typedef struct MP4_Box_data_stsd_s
495 uint32_t i_entry_count;
497 /* it contains SampleEntry handled as if it was Box */
499 } MP4_Box_data_stsd_t;
502 typedef struct MP4_Box_data_stsz_s
507 uint32_t i_sample_size;
508 uint32_t i_sample_count;
510 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
512 } MP4_Box_data_stsz_t;
514 typedef struct MP4_Box_data_stz2_s
519 uint32_t i_sample_size; /* 24 bits */
520 uint8_t i_field_size;
521 uint32_t i_sample_count;
523 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
525 } MP4_Box_data_stz2_t;
527 typedef struct MP4_Box_data_stsc_s
532 uint32_t i_entry_count;
534 uint32_t *i_first_chunk; /* theses are arrays */
535 uint32_t *i_samples_per_chunk;
536 uint32_t *i_sample_description_index;
538 } MP4_Box_data_stsc_t;
541 typedef struct MP4_Box_data_co64_s
546 uint32_t i_entry_count;
548 uint64_t *i_chunk_offset;
550 } MP4_Box_data_co64_t;
553 typedef struct MP4_Box_data_stss_s
558 uint32_t i_entry_count;
560 uint32_t *i_sample_number;
562 } MP4_Box_data_stss_t;
564 typedef struct MP4_Box_data_stsh_s
569 uint32_t i_entry_count;
571 uint32_t *i_shadowed_sample_number;
572 uint32_t *i_sync_sample_number;
574 } MP4_Box_data_stsh_t;
576 typedef struct MP4_Box_data_stdp_s
581 uint16_t *i_priority;
583 } MP4_Box_data_stdp_t;
585 typedef struct MP4_Box_data_padb_s
590 uint32_t i_sample_count;
592 uint16_t *i_reserved1; /* 1bit */
593 uint16_t *i_pad2; /* 3bits */
594 uint16_t *i_reserved2; /* 1bit */
595 uint16_t *i_pad1; /* 3bits */
598 } MP4_Box_data_padb_t;
601 typedef struct MP4_Box_data_elst_s
606 uint32_t i_entry_count;
608 uint64_t *i_segment_duration;
609 int64_t *i_media_time;
610 uint16_t *i_media_rate_integer;
611 uint16_t *i_media_rate_fraction;
614 } MP4_Box_data_elst_t;
616 typedef struct MP4_Box_data_cprt_s
621 unsigned char i_language[3];
623 unsigned char *psz_notice;
624 } MP4_Box_data_cprt_t;
627 /* DecoderConfigDescriptor */
628 typedef struct MP4_descriptor_decoder_config_s
630 uint8_t i_objectTypeIndication;
631 uint8_t i_streamType;
637 int i_decoder_specific_info_len;
638 uint8_t *p_decoder_specific_info;
639 /* some other stuff */
641 } MP4_descriptor_decoder_config_t;
643 typedef struct MP4_descriptor_SL_config_s
646 int i_dummy; /* ANSI C forbids empty structures */
648 } MP4_descriptor_SL_config_t;
651 typedef struct MP4_descriptor_ES_s
654 int b_stream_dependence;
657 int i_stream_priority;
659 int i_depend_on_ES_ID; /* if b_stream_dependence set */
661 unsigned char *psz_URL;
663 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
664 MP4_descriptor_decoder_config_t *p_decConfigDescr;
666 MP4_descriptor_SL_config_t *p_slConfigDescr;
668 /* some other stuff ... */
670 } MP4_descriptor_ES_t;
673 typedef struct MP4_Box_data_esds_s
678 MP4_descriptor_ES_t es_descriptor;
680 } MP4_Box_data_esds_t;
683 typedef struct MP4_Box_data_dcom_s
685 uint32_t i_algorithm; /* fourcc */
687 } MP4_Box_data_dcom_t;
689 typedef struct MP4_Box_data_cmvd_s
691 uint32_t i_uncompressed_size;
692 uint32_t i_compressed_size;
694 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
697 } MP4_Box_data_cmvd_t;
699 typedef struct MP4_Box_data_cmov_s
701 struct MP4_Box_s *p_moov; /* uncompressed moov */
703 } MP4_Box_data_cmov_t;
713 } MP4_Box_data_rdrf_t;
722 } MP4_Box_data_rmdr_t;
729 uint32_t i_gestaltType;
732 uint16_t i_checkType; /* 0: val1 is version min
733 1: gestalt value & val2 == val1 */
735 } MP4_Box_data_rmvc_t;
743 } MP4_Box_data_rmcd_t;
749 } MP4_Box_data_rmqu_t;
755 } MP4_Box_data_0xa9xxx_t;
761 uint8_t i_profile_compatibility;
764 uint8_t i_reserved1; /* 6 bits */
765 uint8_t i_length_size;
767 uint8_t i_reserved2; /* 3 bits */
769 uint16_t *i_sps_length;
773 uint16_t *i_pps_length;
776 /* XXX: Hack raw avcC atom payload */
780 } MP4_Box_data_avcC_t;
783 typedef struct MP4_Box_data__s
792 typedef union MP4_Box_data_s
794 MP4_Box_data_ftyp_t *p_ftyp;
795 MP4_Box_data_mvhd_t *p_mvhd;
796 MP4_Box_data_tkhd_t *p_tkhd;
797 MP4_Box_data_mdhd_t *p_mdhd;
798 MP4_Box_data_hdlr_t *p_hdlr;
799 MP4_Box_data_vmhd_t *p_vmhd;
800 MP4_Box_data_smhd_t *p_smhd;
801 MP4_Box_data_hmhd_t *p_hmhd;
802 MP4_Box_data_url_t *p_url;
803 MP4_Box_data_urn_t *p_urn;
804 MP4_Box_data_dref_t *p_dref;
805 MP4_Box_data_stts_t *p_stts;
806 MP4_Box_data_ctts_t *p_ctts;
807 MP4_Box_data_stsd_t *p_stsd;
808 MP4_Box_data_sample_vide_t *p_sample_vide;
809 MP4_Box_data_sample_soun_t *p_sample_soun;
810 MP4_Box_data_sample_text_t *p_sample_text;
811 MP4_Box_data_sample_hint_t *p_sample_hint;
813 MP4_Box_data_esds_t *p_esds;
814 MP4_Box_data_avcC_t *p_avcC;
816 MP4_Box_data_stsz_t *p_stsz;
817 MP4_Box_data_stz2_t *p_stz2;
818 MP4_Box_data_stsc_t *p_stsc;
819 MP4_Box_data_co64_t *p_co64;
820 MP4_Box_data_stss_t *p_stss;
821 MP4_Box_data_stsh_t *p_stsh;
822 MP4_Box_data_stdp_t *p_stdp;
823 MP4_Box_data_padb_t *p_padb;
824 MP4_Box_data_elst_t *p_elst;
825 MP4_Box_data_cprt_t *p_cprt;
827 MP4_Box_data_dcom_t *p_dcom;
828 MP4_Box_data_cmvd_t *p_cmvd;
829 MP4_Box_data_cmov_t *p_cmov;
831 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
833 MP4_Box_data_rdrf_t *p_rdrf;
834 MP4_Box_data_rmdr_t *p_rmdr;
835 MP4_Box_data_rmqu_t *p_rmqu;
836 MP4_Box_data_rmvc_t *p_rmvc;
838 MP4_Box_data_0xa9xxx_t *p_0xa9xxx;
840 void *p_data; /* for unknow type */
845 /* the most basic structure */
846 typedef struct MP4_Box_s
848 off_t i_pos; /* absolute position */
851 uint32_t i_shortsize;
853 UUID_t i_uuid; /* Set if i_type == "uuid" */
855 uint64_t i_size; /* always set so use it */
857 MP4_Box_data_t data; /* union of pointers on extended data depending
858 on i_type (or i_usertype) */
860 struct MP4_Box_s *p_father; /* pointer on the father Box */
862 struct MP4_Box_s *p_first; /* pointer on the first child Box */
863 struct MP4_Box_s *p_last;
865 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
871 /*****************************************************************************
872 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
873 *****************************************************************************
874 * The first box is a virtual box "root" and is the father for all first
876 *****************************************************************************/
877 MP4_Box_t *MP4_BoxGetRoot( stream_t * );
879 /*****************************************************************************
880 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
881 * or MP4_BoxGetRoot, this means also children boxes
882 * XXX : all children have to be allocated by a malloc !! and
884 *****************************************************************************/
885 void MP4_BoxFree( stream_t *, MP4_Box_t *p_box );
887 /*****************************************************************************
888 * MP4_DumpBoxStructure: print the structure of the p_box
889 *****************************************************************************
890 * Usefull while debugging
891 *****************************************************************************/
892 void MP4_BoxDumpStructure( stream_t *p_input, MP4_Box_t *p_box );
895 /*****************************************************************************
896 * MP4_BoxGet: find a box given a path relative to p_box
897 *****************************************************************************
898 * Path Format: . .. / as usual
899 * [number] to specifie box number ex: trak[12]
903 *****************************************************************************/
904 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... );
906 /*****************************************************************************
907 * MP4_BoxCount: find number of box given a path relative to p_box
908 *****************************************************************************
909 * Path Format: . .. / as usual
910 * [number] to specifie box number ex: trak[12]
914 *****************************************************************************/
915 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );