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_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' )
137 #define FOURCC_h264 VLC_FOURCC( 'h', '2', '6', '4' )
139 #define FOURCC_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' )
140 #define FOURCC_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' )
141 #define FOURCC_raw VLC_FOURCC( 'r', 'a', 'w', ' ' )
143 #define FOURCC_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
146 #define FOURCC_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
147 #define FOURCC_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
148 #define FOURCC_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
149 #define FOURCC_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
150 #define FOURCC_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
151 #define FOURCC_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
152 #define FOURCC_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
153 #define FOURCC_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
155 #define FOURCC_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' )
156 #define FOURCC_wave VLC_FOURCC( 'w', 'a', 'v', 'e' )
158 #define FOURCC_drms VLC_FOURCC( 'd', 'r', 'm', 's' )
159 #define FOURCC_sinf VLC_FOURCC( 's', 'i', 'n', 'f' )
160 #define FOURCC_schi VLC_FOURCC( 's', 'c', 'h', 'i' )
161 #define FOURCC_user VLC_FOURCC( 'u', 's', 'e', 'r' )
162 #define FOURCC_key VLC_FOURCC( 'k', 'e', 'y', ' ' )
163 #define FOURCC_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
164 #define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
165 #define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
167 #define FOURCC_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' )
168 #define FOURCC_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' )
169 #define FOURCC_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' )
170 #define FOURCC_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' )
171 #define FOURCC_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' )
172 #define FOURCC_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' )
173 #define FOURCC_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
174 #define FOURCC_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' )
175 #define FOURCC_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' )
176 #define FOURCC_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' )
177 #define FOURCC_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' )
178 #define FOURCC_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' )
179 #define FOURCC_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' )
180 #define FOURCC_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' )
181 #define FOURCC_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' )
183 /* Do you want some debug information on all read boxes ? */
184 #define MP4_VERBOSE 1
186 /* memory stream and file stream object */
188 typedef struct MP4_Stream_s
190 int b_memory; /* do we uses a memory buffer */
192 input_thread_t *p_input;
194 off_t i_start; /* in the buffer position for memory stream */
203 /* uuid Universal Unique IDentifiers */
204 typedef struct UUID_s
209 /* specific structure for all boxes */
211 typedef struct MP4_Box_data_ftyp_s
213 uint32_t i_major_brand;
214 uint32_t i_minor_version;
216 uint32_t i_compatible_brands_count;
217 uint32_t *i_compatible_brands;
219 } MP4_Box_data_ftyp_t;
221 typedef struct MP4_Box_data_mvhd_s
226 uint64_t i_creation_time;
227 uint64_t i_modification_time;
228 uint32_t i_timescale;
234 uint32_t i_reserved2[2];
236 uint32_t i_predefined[6];
237 uint32_t i_next_track_id;
239 } MP4_Box_data_mvhd_t;
241 #define MP4_TRACK_ENABLED 0x000001
242 #define MP4_TRACK_IN_MOVIE 0x000002
243 #define MP4_TRACK_IN_PREVIEW 0x000004
244 typedef struct MP4_Box_data_tkhd_s
249 uint64_t i_creation_time;
250 uint64_t i_modification_time;
255 uint32_t i_reserved2[2];
257 int16_t i_predefined;
260 uint16_t i_reserved3;
265 } MP4_Box_data_tkhd_t;
267 typedef struct MP4_Box_data_mdhd_s
272 uint64_t i_creation_time;
273 uint64_t i_modification_time;
274 uint32_t i_timescale;
277 /* one bit for pad */
278 /* unsigned int(5)[3] language difference with 0x60*/
279 unsigned char i_language[3];
280 uint16_t i_predefined;
282 } MP4_Box_data_mdhd_t;
284 typedef struct MP4_Box_data_hdlr_s
289 uint32_t i_predefined;
290 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
291 "crsm" "sdsm" "m7sm" "ocsm"
294 unsigned char *psz_name; /* in UTF-8 */
296 } MP4_Box_data_hdlr_t;
298 typedef struct MP4_Box_data_vmhd_s
303 int16_t i_graphics_mode;
304 int16_t i_opcolor[3];
306 } MP4_Box_data_vmhd_t;
308 typedef struct MP4_Box_data_smhd_s
316 } MP4_Box_data_smhd_t;
318 typedef struct MP4_Box_data_hmhd_s
323 uint16_t i_max_PDU_size;
324 uint16_t i_avg_PDU_size;
325 uint32_t i_max_bitrate;
326 uint32_t i_avg_bitrate;
329 } MP4_Box_data_hmhd_t;
331 typedef struct MP4_Box_data_url_s
336 unsigned char *psz_location;
338 } MP4_Box_data_url_t;
340 typedef struct MP4_Box_data_urn_s
345 unsigned char *psz_name;
346 unsigned char *psz_location;
348 } MP4_Box_data_urn_t;
350 typedef struct MP4_Box_data_dref_s
355 uint32_t i_entry_count;
356 /* XXX it's also a container with i_entry_count entry */
357 } MP4_Box_data_dref_t;
359 typedef struct MP4_Box_data_stts_s
364 uint32_t i_entry_count;
365 uint32_t *i_sample_count; /* these are array */
366 int32_t *i_sample_delta;
368 } MP4_Box_data_stts_t;
370 typedef struct MP4_Box_data_ctts_s
375 uint32_t i_entry_count;
377 uint32_t *i_sample_count; /* these are array */
378 int32_t *i_sample_offset;
380 } MP4_Box_data_ctts_t;
383 typedef struct MP4_Box_data_sample_soun_s
385 uint8_t i_reserved1[6];
386 uint16_t i_data_reference_index;
388 //uint32_t i_reserved2[2];
389 uint16_t i_qt_version;
390 uint16_t i_qt_revision_level;
391 uint32_t i_qt_vendor;
393 uint16_t i_channelcount;
394 uint16_t i_samplesize;
395 uint16_t i_predefined;
396 uint16_t i_reserved3;
397 uint16_t i_sampleratehi; /* timescale of track */
398 uint16_t i_sampleratelo;
400 /* for version 1 (i_reserved1[0] == 1) */
401 uint32_t i_sample_per_packet;
402 uint32_t i_bytes_per_packet;
403 uint32_t i_bytes_per_frame;
404 uint32_t i_bytes_per_sample;
407 int i_qt_description;
408 uint8_t *p_qt_description;
412 } MP4_Box_data_sample_soun_t;
414 typedef struct MP4_Box_data_sample_vide_s
416 uint8_t i_reserved1[6];
417 uint16_t i_data_reference_index;
419 uint16_t i_qt_version;
420 uint16_t i_qt_revision_level;
421 uint32_t i_qt_vendor;
423 uint32_t i_qt_temporal_quality;
424 uint32_t i_qt_spatial_quality;
429 uint32_t i_horizresolution;
430 uint32_t i_vertresolution;
432 uint32_t i_qt_data_size;
433 uint16_t i_qt_frame_count;
435 uint8_t i_compressorname[32];
438 int16_t i_qt_color_table;
440 /* XXX hack ImageDescription */
441 int i_qt_image_description;
442 uint8_t *p_qt_image_description;
444 } MP4_Box_data_sample_vide_t;
446 typedef struct MP4_Box_data_sample_hint_s
448 uint8_t i_reserved1[6];
449 uint16_t i_data_reference_index;
453 } MP4_Box_data_sample_hint_t;
455 typedef struct MP4_Box_data_moviehintinformation_rtp_s
457 uint32_t i_description_format;
458 unsigned char *psz_text;
460 } MP4_Box_data_moviehintinformation_rtp_t;
464 typedef struct MP4_Box_data_stsd_s
469 uint32_t i_entry_count;
471 /* it contains SampleEntry handled as if it was Box */
473 } MP4_Box_data_stsd_t;
476 typedef struct MP4_Box_data_stsz_s
481 uint32_t i_sample_size;
482 uint32_t i_sample_count;
484 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
486 } MP4_Box_data_stsz_t;
488 typedef struct MP4_Box_data_stz2_s
493 uint32_t i_sample_size; /* 24 bits */
494 uint8_t i_field_size;
495 uint32_t i_sample_count;
497 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
499 } MP4_Box_data_stz2_t;
501 typedef struct MP4_Box_data_stsc_s
506 uint32_t i_entry_count;
508 uint32_t *i_first_chunk; /* theses are arrays */
509 uint32_t *i_samples_per_chunk;
510 uint32_t *i_sample_description_index;
512 } MP4_Box_data_stsc_t;
515 typedef struct MP4_Box_data_co64_s
520 uint32_t i_entry_count;
522 uint64_t *i_chunk_offset;
524 } MP4_Box_data_co64_t;
527 typedef struct MP4_Box_data_stss_s
532 uint32_t i_entry_count;
534 uint32_t *i_sample_number;
536 } MP4_Box_data_stss_t;
538 typedef struct MP4_Box_data_stsh_s
543 uint32_t i_entry_count;
545 uint32_t *i_shadowed_sample_number;
546 uint32_t *i_sync_sample_number;
548 } MP4_Box_data_stsh_t;
550 typedef struct MP4_Box_data_stdp_s
555 uint16_t *i_priority;
557 } MP4_Box_data_stdp_t;
559 typedef struct MP4_Box_data_padb_s
564 uint32_t i_sample_count;
566 uint16_t *i_reserved1; /* 1bit */
567 uint16_t *i_pad2; /* 3bits */
568 uint16_t *i_reserved2; /* 1bit */
569 uint16_t *i_pad1; /* 3bits */
572 } MP4_Box_data_padb_t;
575 typedef struct MP4_Box_data_elst_s
580 uint32_t i_entry_count;
582 uint64_t *i_segment_duration;
583 int64_t *i_media_time;
584 uint16_t *i_media_rate_integer;
585 uint16_t *i_media_rate_fraction;
588 } MP4_Box_data_elst_t;
590 typedef struct MP4_Box_data_cprt_s
595 unsigned char i_language[3];
597 unsigned char *psz_notice;
598 } MP4_Box_data_cprt_t;
601 /* DecoderConfigDescriptor */
602 typedef struct MP4_descriptor_decoder_config_s
604 uint8_t i_objectTypeIndication;
605 uint8_t i_streamType;
611 int i_decoder_specific_info_len;
612 uint8_t *p_decoder_specific_info;
613 /* some other stuff */
615 } MP4_descriptor_decoder_config_t;
617 typedef struct MP4_descriptor_SL_config_s
620 int i_dummy; /* ANSI C forbids empty structures */
622 } MP4_descriptor_SL_config_t;
625 typedef struct MP4_descriptor_ES_s
628 int b_stream_dependence;
631 int i_stream_priority;
633 int i_depend_on_ES_ID; /* if b_stream_dependence set */
635 unsigned char *psz_URL;
637 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
638 MP4_descriptor_decoder_config_t *p_decConfigDescr;
640 MP4_descriptor_SL_config_t *p_slConfigDescr;
642 /* some other stuff ... */
644 } MP4_descriptor_ES_t;
647 typedef struct MP4_Box_data_esds_s
652 MP4_descriptor_ES_t es_descriptor;
654 } MP4_Box_data_esds_t;
657 typedef struct MP4_Box_data_dcom_s
659 uint32_t i_algorithm; /* fourcc */
661 } MP4_Box_data_dcom_t;
663 typedef struct MP4_Box_data_cmvd_s
665 uint32_t i_uncompressed_size;
666 uint32_t i_compressed_size;
668 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
671 } MP4_Box_data_cmvd_t;
673 typedef struct MP4_Box_data_cmov_s
675 struct MP4_Box_s *p_moov; /* uncompressed moov */
677 } MP4_Box_data_cmov_t;
687 } MP4_Box_data_rdrf_t;
696 } MP4_Box_data_rmdr_t;
703 uint32_t i_gestaltType;
706 uint16_t i_checkType; /* 0: val1 is version min
707 1: gestalt value & val2 == val1 */
709 } MP4_Box_data_rmvc_t;
717 } MP4_Box_data_rmcd_t;
723 } MP4_Box_data_rmqu_t;
729 } MP4_Box_data_0xa9xxx_t;
732 typedef struct MP4_Box_data__s
741 typedef union MP4_Box_data_s
743 MP4_Box_data_ftyp_t *p_ftyp;
744 MP4_Box_data_mvhd_t *p_mvhd;
745 MP4_Box_data_tkhd_t *p_tkhd;
746 MP4_Box_data_mdhd_t *p_mdhd;
747 MP4_Box_data_hdlr_t *p_hdlr;
748 MP4_Box_data_vmhd_t *p_vmhd;
749 MP4_Box_data_smhd_t *p_smhd;
750 MP4_Box_data_hmhd_t *p_hmhd;
751 MP4_Box_data_url_t *p_url;
752 MP4_Box_data_urn_t *p_urn;
753 MP4_Box_data_dref_t *p_dref;
754 MP4_Box_data_stts_t *p_stts;
755 MP4_Box_data_ctts_t *p_ctts;
756 MP4_Box_data_stsd_t *p_stsd;
757 MP4_Box_data_sample_vide_t *p_sample_vide;
758 MP4_Box_data_sample_soun_t *p_sample_soun;
759 MP4_Box_data_sample_hint_t *p_sample_hint;
761 MP4_Box_data_esds_t *p_esds;
763 MP4_Box_data_stsz_t *p_stsz;
764 MP4_Box_data_stz2_t *p_stz2;
765 MP4_Box_data_stsc_t *p_stsc;
766 MP4_Box_data_co64_t *p_co64;
767 MP4_Box_data_stss_t *p_stss;
768 MP4_Box_data_stsh_t *p_stsh;
769 MP4_Box_data_stdp_t *p_stdp;
770 MP4_Box_data_padb_t *p_padb;
771 MP4_Box_data_elst_t *p_elst;
772 MP4_Box_data_cprt_t *p_cprt;
774 MP4_Box_data_dcom_t *p_dcom;
775 MP4_Box_data_cmvd_t *p_cmvd;
776 MP4_Box_data_cmov_t *p_cmov;
778 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
780 MP4_Box_data_rdrf_t *p_rdrf;
781 MP4_Box_data_rmdr_t *p_rmdr;
782 MP4_Box_data_rmqu_t *p_rmqu;
783 MP4_Box_data_rmvc_t *p_rmvc;
785 MP4_Box_data_0xa9xxx_t *p_0xa9xxx;
787 void *p_data; /* for unknow type */
792 /* the most basic structure */
793 typedef struct MP4_Box_s
795 off_t i_pos; /* absolute position */
798 uint32_t i_shortsize;
800 UUID_t i_uuid; /* Set if i_type == "uuid" */
802 uint64_t i_size; /* always set so use it */
804 MP4_Box_data_t data; /* union of pointers on extended data depending
805 on i_type (or i_usertype) */
807 struct MP4_Box_s *p_father; /* pointer on the father Box */
809 struct MP4_Box_s *p_first; /* pointer on the first child Box */
810 struct MP4_Box_s *p_last;
812 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
818 /*****************************************************************************
819 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
820 *****************************************************************************
821 * The first box is a virtual box "root" and is the father for all first
823 *****************************************************************************/
824 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input );
826 /*****************************************************************************
827 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
828 * or MP4_BoxGetRoot, this means also children boxes
829 * XXX : all children have to be allocated by a malloc !! and
831 *****************************************************************************/
832 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box );
834 /*****************************************************************************
835 * MP4_DumpBoxStructure: print the structure of the p_box
836 *****************************************************************************
837 * Usefull while debugging
838 *****************************************************************************/
839 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box );
842 /*****************************************************************************
843 * MP4_BoxGet: find a box given a path relative to p_box
844 *****************************************************************************
845 * Path Format: . .. / as usual
846 * [number] to specifie box number ex: trak[12]
850 *****************************************************************************/
851 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... );
853 /*****************************************************************************
854 * MP4_BoxCount: find number of box given a path relative to p_box
855 *****************************************************************************
856 * Path Format: . .. / as usual
857 * [number] to specifie box number ex: trak[12]
861 *****************************************************************************/
862 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );