1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.h,v 1.18 2004/01/05 12:37:52 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_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
161 #define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
162 #define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
164 /* Do you want some debug information on all read boxes ? */
165 #define MP4_VERBOSE 1
167 /* memory stream and file stream object */
169 typedef struct MP4_Stream_s
171 int b_memory; /* do we uses a memory buffer */
173 input_thread_t *p_input;
175 off_t i_start; /* in the buffer position for memory stream */
184 /* uuid Universal Unique IDentifiers */
185 typedef struct UUID_s
190 /* specific structure for all boxes */
192 typedef struct MP4_Box_data_ftyp_s
194 uint32_t i_major_brand;
195 uint32_t i_minor_version;
197 uint32_t i_compatible_brands_count;
198 uint32_t *i_compatible_brands;
200 } MP4_Box_data_ftyp_t;
202 typedef struct MP4_Box_data_mvhd_s
207 uint64_t i_creation_time;
208 uint64_t i_modification_time;
209 uint32_t i_timescale;
215 uint32_t i_reserved2[2];
217 uint32_t i_predefined[6];
218 uint32_t i_next_track_id;
220 } MP4_Box_data_mvhd_t;
222 #define MP4_TRACK_ENABLED 0x000001
223 #define MP4_TRACK_IN_MOVIE 0x000002
224 #define MP4_TRACK_IN_PREVIEW 0x000004
225 typedef struct MP4_Box_data_tkhd_s
230 uint64_t i_creation_time;
231 uint64_t i_modification_time;
236 uint32_t i_reserved2[2];
238 int16_t i_predefined;
241 uint16_t i_reserved3;
246 } MP4_Box_data_tkhd_t;
248 typedef struct MP4_Box_data_mdhd_s
253 uint64_t i_creation_time;
254 uint64_t i_modification_time;
255 uint32_t i_timescale;
258 /* one bit for pad */
259 /* unsigned int(5)[3] language difference with 0x60*/
260 unsigned char i_language[3];
261 uint16_t i_predefined;
263 } MP4_Box_data_mdhd_t;
265 typedef struct MP4_Box_data_hdlr_s
270 uint32_t i_predefined;
271 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
272 "crsm" "sdsm" "m7sm" "ocsm"
275 unsigned char *psz_name; /* in UTF-8 */
277 } MP4_Box_data_hdlr_t;
279 typedef struct MP4_Box_data_vmhd_s
284 int16_t i_graphics_mode;
285 int16_t i_opcolor[3];
287 } MP4_Box_data_vmhd_t;
289 typedef struct MP4_Box_data_smhd_s
297 } MP4_Box_data_smhd_t;
299 typedef struct MP4_Box_data_hmhd_s
304 uint16_t i_max_PDU_size;
305 uint16_t i_avg_PDU_size;
306 uint32_t i_max_bitrate;
307 uint32_t i_avg_bitrate;
310 } MP4_Box_data_hmhd_t;
312 typedef struct MP4_Box_data_url_s
317 unsigned char *psz_location;
319 } MP4_Box_data_url_t;
321 typedef struct MP4_Box_data_urn_s
326 unsigned char *psz_name;
327 unsigned char *psz_location;
329 } MP4_Box_data_urn_t;
331 typedef struct MP4_Box_data_dref_s
336 uint32_t i_entry_count;
337 /* XXX it's also a container with i_entry_count entry */
338 } MP4_Box_data_dref_t;
340 typedef struct MP4_Box_data_stts_s
345 uint32_t i_entry_count;
346 uint32_t *i_sample_count; /* these are array */
347 int32_t *i_sample_delta;
349 } MP4_Box_data_stts_t;
351 typedef struct MP4_Box_data_ctts_s
356 uint32_t i_entry_count;
358 uint32_t *i_sample_count; /* these are array */
359 int32_t *i_sample_offset;
361 } MP4_Box_data_ctts_t;
364 typedef struct MP4_Box_data_sample_soun_s
366 uint8_t i_reserved1[6];
367 uint16_t i_data_reference_index;
369 //uint32_t i_reserved2[2];
370 uint16_t i_qt_version;
371 uint16_t i_qt_revision_level;
372 uint32_t i_qt_vendor;
374 uint16_t i_channelcount;
375 uint16_t i_samplesize;
376 uint16_t i_predefined;
377 uint16_t i_reserved3;
378 uint16_t i_sampleratehi; /* timescale of track */
379 uint16_t i_sampleratelo;
381 /* for version 1 (i_reserved1[0] == 1) */
382 uint32_t i_sample_per_packet;
383 uint32_t i_bytes_per_packet;
384 uint32_t i_bytes_per_frame;
385 uint32_t i_bytes_per_sample;
388 int i_qt_description;
389 uint8_t *p_qt_description;
393 } MP4_Box_data_sample_soun_t;
395 typedef struct MP4_Box_data_sample_vide_s
397 uint8_t i_reserved1[6];
398 uint16_t i_data_reference_index;
400 uint16_t i_qt_version;
401 uint16_t i_qt_revision_level;
402 uint32_t i_qt_vendor;
404 uint32_t i_qt_temporal_quality;
405 uint32_t i_qt_spatial_quality;
410 uint32_t i_horizresolution;
411 uint32_t i_vertresolution;
413 uint32_t i_qt_data_size;
414 uint16_t i_qt_frame_count;
416 uint8_t i_compressorname[32];
419 int16_t i_qt_color_table;
421 /* XXX hack ImageDescription */
422 int i_qt_image_description;
423 uint8_t *p_qt_image_description;
425 } MP4_Box_data_sample_vide_t;
427 typedef struct MP4_Box_data_sample_hint_s
429 uint8_t i_reserved1[6];
430 uint16_t i_data_reference_index;
434 } MP4_Box_data_sample_hint_t;
436 typedef struct MP4_Box_data_moviehintinformation_rtp_s
438 uint32_t i_description_format;
439 unsigned char *psz_text;
441 } MP4_Box_data_moviehintinformation_rtp_t;
445 typedef struct MP4_Box_data_stsd_s
450 uint32_t i_entry_count;
452 /* it contains SampleEntry handled as if it was Box */
454 } MP4_Box_data_stsd_t;
457 typedef struct MP4_Box_data_stsz_s
462 uint32_t i_sample_size;
463 uint32_t i_sample_count;
465 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
467 } MP4_Box_data_stsz_t;
469 typedef struct MP4_Box_data_stz2_s
474 uint32_t i_sample_size; /* 24 bits */
475 uint8_t i_field_size;
476 uint32_t i_sample_count;
478 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
480 } MP4_Box_data_stz2_t;
482 typedef struct MP4_Box_data_stsc_s
487 uint32_t i_entry_count;
489 uint32_t *i_first_chunk; /* theses are arrays */
490 uint32_t *i_samples_per_chunk;
491 uint32_t *i_sample_description_index;
493 } MP4_Box_data_stsc_t;
496 typedef struct MP4_Box_data_co64_s
501 uint32_t i_entry_count;
503 uint64_t *i_chunk_offset;
505 } MP4_Box_data_co64_t;
508 typedef struct MP4_Box_data_stss_s
513 uint32_t i_entry_count;
515 uint32_t *i_sample_number;
517 } MP4_Box_data_stss_t;
519 typedef struct MP4_Box_data_stsh_s
524 uint32_t i_entry_count;
526 uint32_t *i_shadowed_sample_number;
527 uint32_t *i_sync_sample_number;
529 } MP4_Box_data_stsh_t;
531 typedef struct MP4_Box_data_stdp_s
536 uint16_t *i_priority;
538 } MP4_Box_data_stdp_t;
540 typedef struct MP4_Box_data_padb_s
545 uint32_t i_sample_count;
547 uint16_t *i_reserved1; /* 1bit */
548 uint16_t *i_pad2; /* 3bits */
549 uint16_t *i_reserved2; /* 1bit */
550 uint16_t *i_pad1; /* 3bits */
553 } MP4_Box_data_padb_t;
556 typedef struct MP4_Box_data_elst_s
561 uint32_t i_entry_count;
563 uint64_t *i_segment_duration;
564 int64_t *i_media_time;
565 uint16_t *i_media_rate_integer;
566 uint16_t *i_media_rate_fraction;
569 } MP4_Box_data_elst_t;
571 typedef struct MP4_Box_data_cprt_s
576 unsigned char i_language[3];
578 unsigned char *psz_notice;
579 } MP4_Box_data_cprt_t;
582 /* DecoderConfigDescriptor */
583 typedef struct MP4_descriptor_decoder_config_s
585 uint8_t i_objectTypeIndication;
586 uint8_t i_streamType;
592 int i_decoder_specific_info_len;
593 uint8_t *p_decoder_specific_info;
594 /* some other stuff */
596 } MP4_descriptor_decoder_config_t;
598 typedef struct MP4_descriptor_SL_config_s
601 int i_dummy; /* ANSI C forbids empty structures */
603 } MP4_descriptor_SL_config_t;
606 typedef struct MP4_descriptor_ES_s
609 int b_stream_dependence;
612 int i_stream_priority;
614 int i_depend_on_ES_ID; /* if b_stream_dependence set */
616 unsigned char *psz_URL;
618 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
619 MP4_descriptor_decoder_config_t *p_decConfigDescr;
621 MP4_descriptor_SL_config_t *p_slConfigDescr;
623 /* some other stuff ... */
625 } MP4_descriptor_ES_t;
628 typedef struct MP4_Box_data_esds_s
633 MP4_descriptor_ES_t es_descriptor;
635 } MP4_Box_data_esds_t;
638 typedef struct MP4_Box_data_dcom_s
640 uint32_t i_algorithm; /* fourcc */
642 } MP4_Box_data_dcom_t;
644 typedef struct MP4_Box_data_cmvd_s
646 uint32_t i_uncompressed_size;
647 uint32_t i_compressed_size;
649 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
652 } MP4_Box_data_cmvd_t;
654 typedef struct MP4_Box_data_cmov_s
656 struct MP4_Box_s *p_moov; /* uncompressed moov */
658 } MP4_Box_data_cmov_t;
660 typedef struct MP4_Box_data_rdrf_s
668 } MP4_Box_data_rdrf_t;
670 typedef struct MP4_Box_data_rmdr_s
677 } MP4_Box_data_rmdr_t;
679 typedef struct MP4_Box_data_rmvc_s
684 uint32_t i_gestaltType;
687 uint16_t i_checkType; /* 0: val1 is version min
688 1: gestalt value & val2 == val1 */
690 } MP4_Box_data_rmvc_t;
692 typedef struct MP4_Box_data_rmcd_s
698 } MP4_Box_data_rmcd_t;
700 typedef struct MP4_Box_data_rmqu_s
704 } MP4_Box_data_rmqu_t;
707 typedef struct MP4_Box_data__s
716 typedef union MP4_Box_data_s
718 MP4_Box_data_ftyp_t *p_ftyp;
719 MP4_Box_data_mvhd_t *p_mvhd;
720 MP4_Box_data_tkhd_t *p_tkhd;
721 MP4_Box_data_mdhd_t *p_mdhd;
722 MP4_Box_data_hdlr_t *p_hdlr;
723 MP4_Box_data_vmhd_t *p_vmhd;
724 MP4_Box_data_smhd_t *p_smhd;
725 MP4_Box_data_hmhd_t *p_hmhd;
726 MP4_Box_data_url_t *p_url;
727 MP4_Box_data_urn_t *p_urn;
728 MP4_Box_data_dref_t *p_dref;
729 MP4_Box_data_stts_t *p_stts;
730 MP4_Box_data_ctts_t *p_ctts;
731 MP4_Box_data_stsd_t *p_stsd;
732 MP4_Box_data_sample_vide_t *p_sample_vide;
733 MP4_Box_data_sample_soun_t *p_sample_soun;
734 MP4_Box_data_sample_hint_t *p_sample_hint;
736 MP4_Box_data_esds_t *p_esds;
738 MP4_Box_data_stsz_t *p_stsz;
739 MP4_Box_data_stz2_t *p_stz2;
740 MP4_Box_data_stsc_t *p_stsc;
741 MP4_Box_data_co64_t *p_co64;
742 MP4_Box_data_stss_t *p_stss;
743 MP4_Box_data_stsh_t *p_stsh;
744 MP4_Box_data_stdp_t *p_stdp;
745 MP4_Box_data_padb_t *p_padb;
746 MP4_Box_data_elst_t *p_elst;
747 MP4_Box_data_cprt_t *p_cprt;
749 MP4_Box_data_dcom_t *p_dcom;
750 MP4_Box_data_cmvd_t *p_cmvd;
751 MP4_Box_data_cmov_t *p_cmov;
753 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
755 MP4_Box_data_rdrf_t *p_rdrf;
756 MP4_Box_data_rmdr_t *p_rmdr;
757 MP4_Box_data_rmqu_t *p_rmqu;
758 MP4_Box_data_rmvc_t *p_rmvc;
760 void *p_data; /* for unknow type */
765 /* the most basic structure */
766 typedef struct MP4_Box_s
768 off_t i_pos; /* absolute position */
771 uint32_t i_shortsize;
773 UUID_t i_uuid; /* Set if i_type == "uuid" */
775 uint64_t i_size; /* always set so use it */
777 MP4_Box_data_t data; /* union of pointers on extended data depending
778 on i_type (or i_usertype) */
780 struct MP4_Box_s *p_father; /* pointer on the father Box */
782 struct MP4_Box_s *p_first; /* pointer on the first child Box */
783 struct MP4_Box_s *p_last;
785 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
791 /*****************************************************************************
792 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
793 *****************************************************************************
794 * The first box is a virtual box "root" and is the father for all first
796 *****************************************************************************/
797 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input );
799 /*****************************************************************************
800 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
801 * or MP4_BoxGetRoot, this means also children boxes
802 * XXX : all children have to be allocated by a malloc !! and
804 *****************************************************************************/
805 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box );
807 /*****************************************************************************
808 * MP4_DumpBoxStructure: print the structure of the p_box
809 *****************************************************************************
810 * Usefull while debugging
811 *****************************************************************************/
812 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box );
815 /*****************************************************************************
816 * MP4_BoxGet: find a box given a path relative to p_box
817 *****************************************************************************
818 * Path Format: . .. / as usual
819 * [number] to specifie box number ex: trak[12]
823 *****************************************************************************/
824 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... );
826 /*****************************************************************************
827 * MP4_BoxCount: find number of box given a path relative to p_box
828 *****************************************************************************
829 * Path Format: . .. / as usual
830 * [number] to specifie box number ex: trak[12]
834 *****************************************************************************/
835 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );