1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.h,v 1.19 2004/01/09 04:37:43 jlj Exp $
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_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' )
131 #define FOURCC_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' )
132 #define FOURCC_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' )
133 #define FOURCC_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' )
134 #define FOURCC_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
135 #define FOURCC_VP31 VLC_FOURCC( 'V', 'P', '3', '1' )
136 #define FOURCC_vp31 VLC_FOURCC( 'v', 'p', '3', '1' )
138 #define FOURCC_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' )
139 #define FOURCC_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' )
140 #define FOURCC_raw VLC_FOURCC( 'r', 'a', 'w', ' ' )
142 #define FOURCC_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
145 #define FOURCC_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
146 #define FOURCC_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
147 #define FOURCC_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
148 #define FOURCC_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
149 #define FOURCC_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
150 #define FOURCC_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
151 #define FOURCC_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
152 #define FOURCC_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
154 #define FOURCC_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' )
155 #define FOURCC_wave VLC_FOURCC( 'w', 'a', 'v', 'e' )
157 #define FOURCC_drms VLC_FOURCC( 'd', 'r', 'm', 's' )
158 #define FOURCC_sinf VLC_FOURCC( 's', 'i', 'n', 'f' )
159 #define FOURCC_schi VLC_FOURCC( 's', 'c', 'h', 'i' )
160 #define FOURCC_user VLC_FOURCC( 'u', 's', 'e', 'r' )
161 #define FOURCC_key VLC_FOURCC( 'k', 'e', 'y', ' ' )
162 #define FOURCC_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
163 #define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
164 #define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
166 /* Do you want some debug information on all read boxes ? */
167 #define MP4_VERBOSE 1
169 /* memory stream and file stream object */
171 typedef struct MP4_Stream_s
173 int b_memory; /* do we uses a memory buffer */
175 input_thread_t *p_input;
177 off_t i_start; /* in the buffer position for memory stream */
186 /* uuid Universal Unique IDentifiers */
187 typedef struct UUID_s
192 /* specific structure for all boxes */
194 typedef struct MP4_Box_data_ftyp_s
196 uint32_t i_major_brand;
197 uint32_t i_minor_version;
199 uint32_t i_compatible_brands_count;
200 uint32_t *i_compatible_brands;
202 } MP4_Box_data_ftyp_t;
204 typedef struct MP4_Box_data_mvhd_s
209 uint64_t i_creation_time;
210 uint64_t i_modification_time;
211 uint32_t i_timescale;
217 uint32_t i_reserved2[2];
219 uint32_t i_predefined[6];
220 uint32_t i_next_track_id;
222 } MP4_Box_data_mvhd_t;
224 #define MP4_TRACK_ENABLED 0x000001
225 #define MP4_TRACK_IN_MOVIE 0x000002
226 #define MP4_TRACK_IN_PREVIEW 0x000004
227 typedef struct MP4_Box_data_tkhd_s
232 uint64_t i_creation_time;
233 uint64_t i_modification_time;
238 uint32_t i_reserved2[2];
240 int16_t i_predefined;
243 uint16_t i_reserved3;
248 } MP4_Box_data_tkhd_t;
250 typedef struct MP4_Box_data_mdhd_s
255 uint64_t i_creation_time;
256 uint64_t i_modification_time;
257 uint32_t i_timescale;
260 /* one bit for pad */
261 /* unsigned int(5)[3] language difference with 0x60*/
262 unsigned char i_language[3];
263 uint16_t i_predefined;
265 } MP4_Box_data_mdhd_t;
267 typedef struct MP4_Box_data_hdlr_s
272 uint32_t i_predefined;
273 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
274 "crsm" "sdsm" "m7sm" "ocsm"
277 unsigned char *psz_name; /* in UTF-8 */
279 } MP4_Box_data_hdlr_t;
281 typedef struct MP4_Box_data_vmhd_s
286 int16_t i_graphics_mode;
287 int16_t i_opcolor[3];
289 } MP4_Box_data_vmhd_t;
291 typedef struct MP4_Box_data_smhd_s
299 } MP4_Box_data_smhd_t;
301 typedef struct MP4_Box_data_hmhd_s
306 uint16_t i_max_PDU_size;
307 uint16_t i_avg_PDU_size;
308 uint32_t i_max_bitrate;
309 uint32_t i_avg_bitrate;
312 } MP4_Box_data_hmhd_t;
314 typedef struct MP4_Box_data_url_s
319 unsigned char *psz_location;
321 } MP4_Box_data_url_t;
323 typedef struct MP4_Box_data_urn_s
328 unsigned char *psz_name;
329 unsigned char *psz_location;
331 } MP4_Box_data_urn_t;
333 typedef struct MP4_Box_data_dref_s
338 uint32_t i_entry_count;
339 /* XXX it's also a container with i_entry_count entry */
340 } MP4_Box_data_dref_t;
342 typedef struct MP4_Box_data_stts_s
347 uint32_t i_entry_count;
348 uint32_t *i_sample_count; /* these are array */
349 int32_t *i_sample_delta;
351 } MP4_Box_data_stts_t;
353 typedef struct MP4_Box_data_ctts_s
358 uint32_t i_entry_count;
360 uint32_t *i_sample_count; /* these are array */
361 int32_t *i_sample_offset;
363 } MP4_Box_data_ctts_t;
366 typedef struct MP4_Box_data_sample_soun_s
368 uint8_t i_reserved1[6];
369 uint16_t i_data_reference_index;
371 //uint32_t i_reserved2[2];
372 uint16_t i_qt_version;
373 uint16_t i_qt_revision_level;
374 uint32_t i_qt_vendor;
376 uint16_t i_channelcount;
377 uint16_t i_samplesize;
378 uint16_t i_predefined;
379 uint16_t i_reserved3;
380 uint16_t i_sampleratehi; /* timescale of track */
381 uint16_t i_sampleratelo;
383 /* for version 1 (i_reserved1[0] == 1) */
384 uint32_t i_sample_per_packet;
385 uint32_t i_bytes_per_packet;
386 uint32_t i_bytes_per_frame;
387 uint32_t i_bytes_per_sample;
390 int i_qt_description;
391 uint8_t *p_qt_description;
395 } MP4_Box_data_sample_soun_t;
397 typedef struct MP4_Box_data_sample_vide_s
399 uint8_t i_reserved1[6];
400 uint16_t i_data_reference_index;
402 uint16_t i_qt_version;
403 uint16_t i_qt_revision_level;
404 uint32_t i_qt_vendor;
406 uint32_t i_qt_temporal_quality;
407 uint32_t i_qt_spatial_quality;
412 uint32_t i_horizresolution;
413 uint32_t i_vertresolution;
415 uint32_t i_qt_data_size;
416 uint16_t i_qt_frame_count;
418 uint8_t i_compressorname[32];
421 int16_t i_qt_color_table;
423 /* XXX hack ImageDescription */
424 int i_qt_image_description;
425 uint8_t *p_qt_image_description;
427 } MP4_Box_data_sample_vide_t;
429 typedef struct MP4_Box_data_sample_hint_s
431 uint8_t i_reserved1[6];
432 uint16_t i_data_reference_index;
436 } MP4_Box_data_sample_hint_t;
438 typedef struct MP4_Box_data_moviehintinformation_rtp_s
440 uint32_t i_description_format;
441 unsigned char *psz_text;
443 } MP4_Box_data_moviehintinformation_rtp_t;
447 typedef struct MP4_Box_data_stsd_s
452 uint32_t i_entry_count;
454 /* it contains SampleEntry handled as if it was Box */
456 } MP4_Box_data_stsd_t;
459 typedef struct MP4_Box_data_stsz_s
464 uint32_t i_sample_size;
465 uint32_t i_sample_count;
467 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
469 } MP4_Box_data_stsz_t;
471 typedef struct MP4_Box_data_stz2_s
476 uint32_t i_sample_size; /* 24 bits */
477 uint8_t i_field_size;
478 uint32_t i_sample_count;
480 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
482 } MP4_Box_data_stz2_t;
484 typedef struct MP4_Box_data_stsc_s
489 uint32_t i_entry_count;
491 uint32_t *i_first_chunk; /* theses are arrays */
492 uint32_t *i_samples_per_chunk;
493 uint32_t *i_sample_description_index;
495 } MP4_Box_data_stsc_t;
498 typedef struct MP4_Box_data_co64_s
503 uint32_t i_entry_count;
505 uint64_t *i_chunk_offset;
507 } MP4_Box_data_co64_t;
510 typedef struct MP4_Box_data_stss_s
515 uint32_t i_entry_count;
517 uint32_t *i_sample_number;
519 } MP4_Box_data_stss_t;
521 typedef struct MP4_Box_data_stsh_s
526 uint32_t i_entry_count;
528 uint32_t *i_shadowed_sample_number;
529 uint32_t *i_sync_sample_number;
531 } MP4_Box_data_stsh_t;
533 typedef struct MP4_Box_data_stdp_s
538 uint16_t *i_priority;
540 } MP4_Box_data_stdp_t;
542 typedef struct MP4_Box_data_padb_s
547 uint32_t i_sample_count;
549 uint16_t *i_reserved1; /* 1bit */
550 uint16_t *i_pad2; /* 3bits */
551 uint16_t *i_reserved2; /* 1bit */
552 uint16_t *i_pad1; /* 3bits */
555 } MP4_Box_data_padb_t;
558 typedef struct MP4_Box_data_elst_s
563 uint32_t i_entry_count;
565 uint64_t *i_segment_duration;
566 int64_t *i_media_time;
567 uint16_t *i_media_rate_integer;
568 uint16_t *i_media_rate_fraction;
571 } MP4_Box_data_elst_t;
573 typedef struct MP4_Box_data_cprt_s
578 unsigned char i_language[3];
580 unsigned char *psz_notice;
581 } MP4_Box_data_cprt_t;
584 /* DecoderConfigDescriptor */
585 typedef struct MP4_descriptor_decoder_config_s
587 uint8_t i_objectTypeIndication;
588 uint8_t i_streamType;
594 int i_decoder_specific_info_len;
595 uint8_t *p_decoder_specific_info;
596 /* some other stuff */
598 } MP4_descriptor_decoder_config_t;
600 typedef struct MP4_descriptor_SL_config_s
603 int i_dummy; /* ANSI C forbids empty structures */
605 } MP4_descriptor_SL_config_t;
608 typedef struct MP4_descriptor_ES_s
611 int b_stream_dependence;
614 int i_stream_priority;
616 int i_depend_on_ES_ID; /* if b_stream_dependence set */
618 unsigned char *psz_URL;
620 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
621 MP4_descriptor_decoder_config_t *p_decConfigDescr;
623 MP4_descriptor_SL_config_t *p_slConfigDescr;
625 /* some other stuff ... */
627 } MP4_descriptor_ES_t;
630 typedef struct MP4_Box_data_esds_s
635 MP4_descriptor_ES_t es_descriptor;
637 } MP4_Box_data_esds_t;
640 typedef struct MP4_Box_data_dcom_s
642 uint32_t i_algorithm; /* fourcc */
644 } MP4_Box_data_dcom_t;
646 typedef struct MP4_Box_data_cmvd_s
648 uint32_t i_uncompressed_size;
649 uint32_t i_compressed_size;
651 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
654 } MP4_Box_data_cmvd_t;
656 typedef struct MP4_Box_data_cmov_s
658 struct MP4_Box_s *p_moov; /* uncompressed moov */
660 } MP4_Box_data_cmov_t;
662 typedef struct MP4_Box_data_rdrf_s
670 } MP4_Box_data_rdrf_t;
672 typedef struct MP4_Box_data_rmdr_s
679 } MP4_Box_data_rmdr_t;
681 typedef struct MP4_Box_data_rmvc_s
686 uint32_t i_gestaltType;
689 uint16_t i_checkType; /* 0: val1 is version min
690 1: gestalt value & val2 == val1 */
692 } MP4_Box_data_rmvc_t;
694 typedef struct MP4_Box_data_rmcd_s
700 } MP4_Box_data_rmcd_t;
702 typedef struct MP4_Box_data_rmqu_s
706 } MP4_Box_data_rmqu_t;
709 typedef struct MP4_Box_data__s
718 typedef union MP4_Box_data_s
720 MP4_Box_data_ftyp_t *p_ftyp;
721 MP4_Box_data_mvhd_t *p_mvhd;
722 MP4_Box_data_tkhd_t *p_tkhd;
723 MP4_Box_data_mdhd_t *p_mdhd;
724 MP4_Box_data_hdlr_t *p_hdlr;
725 MP4_Box_data_vmhd_t *p_vmhd;
726 MP4_Box_data_smhd_t *p_smhd;
727 MP4_Box_data_hmhd_t *p_hmhd;
728 MP4_Box_data_url_t *p_url;
729 MP4_Box_data_urn_t *p_urn;
730 MP4_Box_data_dref_t *p_dref;
731 MP4_Box_data_stts_t *p_stts;
732 MP4_Box_data_ctts_t *p_ctts;
733 MP4_Box_data_stsd_t *p_stsd;
734 MP4_Box_data_sample_vide_t *p_sample_vide;
735 MP4_Box_data_sample_soun_t *p_sample_soun;
736 MP4_Box_data_sample_hint_t *p_sample_hint;
738 MP4_Box_data_esds_t *p_esds;
740 MP4_Box_data_stsz_t *p_stsz;
741 MP4_Box_data_stz2_t *p_stz2;
742 MP4_Box_data_stsc_t *p_stsc;
743 MP4_Box_data_co64_t *p_co64;
744 MP4_Box_data_stss_t *p_stss;
745 MP4_Box_data_stsh_t *p_stsh;
746 MP4_Box_data_stdp_t *p_stdp;
747 MP4_Box_data_padb_t *p_padb;
748 MP4_Box_data_elst_t *p_elst;
749 MP4_Box_data_cprt_t *p_cprt;
751 MP4_Box_data_dcom_t *p_dcom;
752 MP4_Box_data_cmvd_t *p_cmvd;
753 MP4_Box_data_cmov_t *p_cmov;
755 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
757 MP4_Box_data_rdrf_t *p_rdrf;
758 MP4_Box_data_rmdr_t *p_rmdr;
759 MP4_Box_data_rmqu_t *p_rmqu;
760 MP4_Box_data_rmvc_t *p_rmvc;
762 void *p_data; /* for unknow type */
767 /* the most basic structure */
768 typedef struct MP4_Box_s
770 off_t i_pos; /* absolute position */
773 uint32_t i_shortsize;
775 UUID_t i_uuid; /* Set if i_type == "uuid" */
777 uint64_t i_size; /* always set so use it */
779 MP4_Box_data_t data; /* union of pointers on extended data depending
780 on i_type (or i_usertype) */
782 struct MP4_Box_s *p_father; /* pointer on the father Box */
784 struct MP4_Box_s *p_first; /* pointer on the first child Box */
785 struct MP4_Box_s *p_last;
787 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
793 /*****************************************************************************
794 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
795 *****************************************************************************
796 * The first box is a virtual box "root" and is the father for all first
798 *****************************************************************************/
799 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input );
801 /*****************************************************************************
802 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
803 * or MP4_BoxGetRoot, this means also children boxes
804 * XXX : all children have to be allocated by a malloc !! and
806 *****************************************************************************/
807 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box );
809 /*****************************************************************************
810 * MP4_DumpBoxStructure: print the structure of the p_box
811 *****************************************************************************
812 * Usefull while debugging
813 *****************************************************************************/
814 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box );
817 /*****************************************************************************
818 * MP4_BoxGet: find a box given a path relative to p_box
819 *****************************************************************************
820 * Path Format: . .. / as usual
821 * [number] to specifie box number ex: trak[12]
825 *****************************************************************************/
826 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... );
828 /*****************************************************************************
829 * MP4_BoxCount: find number of box given a path relative to p_box
830 *****************************************************************************
831 * Path Format: . .. / as usual
832 * [number] to specifie box number ex: trak[12]
836 *****************************************************************************/
837 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );