1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.h,v 1.15 2003/08/17 20:45:50 fenrir 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' )
156 /* Do you want some debug information on all read boxes ? */
157 #define MP4_VERBOSE 1
159 /* memory stream and file stream object */
161 typedef struct MP4_Stream_s
163 int b_memory; /* do we uses a memory buffer */
165 input_thread_t *p_input;
167 off_t i_start; /* in the buffer position for memory stream */
176 /* uuid Universal Unique IDentifiers */
177 typedef struct UUID_s
182 /* specific structure for all boxes */
184 typedef struct MP4_Box_data_ftyp_s
186 uint32_t i_major_brand;
187 uint32_t i_minor_version;
189 uint32_t i_compatible_brands_count;
190 uint32_t *i_compatible_brands;
192 } MP4_Box_data_ftyp_t;
194 typedef struct MP4_Box_data_mvhd_s
199 uint64_t i_creation_time;
200 uint64_t i_modification_time;
201 uint32_t i_timescale;
207 uint32_t i_reserved2[2];
209 uint32_t i_predefined[6];
210 uint32_t i_next_track_id;
212 } MP4_Box_data_mvhd_t;
214 #define MP4_TRACK_ENABLED 0x000001
215 #define MP4_TRACK_IN_MOVIE 0x000002
216 #define MP4_TRACK_IN_PREVIEW 0x000004
217 typedef struct MP4_Box_data_tkhd_s
222 uint64_t i_creation_time;
223 uint64_t i_modification_time;
228 uint32_t i_reserved2[2];
230 int16_t i_predefined;
233 uint16_t i_reserved3;
238 } MP4_Box_data_tkhd_t;
240 typedef struct MP4_Box_data_mdhd_s
245 uint64_t i_creation_time;
246 uint64_t i_modification_time;
247 uint32_t i_timescale;
250 /* one bit for pad */
251 /* unsigned int(5)[3] language difference with 0x60*/
252 unsigned char i_language[3];
253 uint16_t i_predefined;
255 } MP4_Box_data_mdhd_t;
257 typedef struct MP4_Box_data_hdlr_s
262 uint32_t i_predefined;
263 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
264 "crsm" "sdsm" "m7sm" "ocsm"
267 unsigned char *psz_name; /* in UTF-8 */
269 } MP4_Box_data_hdlr_t;
271 typedef struct MP4_Box_data_vmhd_s
276 int16_t i_graphics_mode;
277 int16_t i_opcolor[3];
279 } MP4_Box_data_vmhd_t;
281 typedef struct MP4_Box_data_smhd_s
289 } MP4_Box_data_smhd_t;
291 typedef struct MP4_Box_data_hmhd_s
296 uint16_t i_max_PDU_size;
297 uint16_t i_avg_PDU_size;
298 uint32_t i_max_bitrate;
299 uint32_t i_avg_bitrate;
302 } MP4_Box_data_hmhd_t;
304 typedef struct MP4_Box_data_url_s
309 unsigned char *psz_location;
311 } MP4_Box_data_url_t;
313 typedef struct MP4_Box_data_urn_s
318 unsigned char *psz_name;
319 unsigned char *psz_location;
321 } MP4_Box_data_urn_t;
323 typedef struct MP4_Box_data_dref_s
328 uint32_t i_entry_count;
329 /* XXX it's also a container with i_entry_count entry */
330 } MP4_Box_data_dref_t;
332 typedef struct MP4_Box_data_stts_s
337 uint32_t i_entry_count;
338 uint32_t *i_sample_count; /* these are array */
339 int32_t *i_sample_delta;
341 } MP4_Box_data_stts_t;
343 typedef struct MP4_Box_data_ctts_s
348 uint32_t i_entry_count;
350 uint32_t *i_sample_count; /* these are array */
351 int32_t *i_sample_offset;
353 } MP4_Box_data_ctts_t;
356 typedef struct MP4_Box_data_sample_soun_s
358 uint8_t i_reserved1[6];
359 uint16_t i_data_reference_index;
361 //uint32_t i_reserved2[2];
362 uint16_t i_qt_version;
363 uint16_t i_qt_revision_level;
364 uint32_t i_qt_vendor;
366 uint16_t i_channelcount;
367 uint16_t i_samplesize;
368 uint16_t i_predefined;
369 uint16_t i_reserved3;
370 uint16_t i_sampleratehi; /* timescale of track */
371 uint16_t i_sampleratelo;
373 /* for version 1 (i_reserved1[0] == 1) */
374 uint32_t i_sample_per_packet;
375 uint32_t i_bytes_per_packet;
376 uint32_t i_bytes_per_frame;
377 uint32_t i_bytes_per_sample;
380 int i_qt_description;
381 uint8_t *p_qt_description;
383 } MP4_Box_data_sample_soun_t;
385 typedef struct MP4_Box_data_sample_vide_s
387 uint8_t i_reserved1[6];
388 uint16_t i_data_reference_index;
390 uint16_t i_qt_version;
391 uint16_t i_qt_revision_level;
392 uint32_t i_qt_vendor;
394 uint32_t i_qt_temporal_quality;
395 uint32_t i_qt_spatial_quality;
400 uint32_t i_horizresolution;
401 uint32_t i_vertresolution;
403 uint32_t i_qt_data_size;
404 uint16_t i_qt_frame_count;
406 uint8_t i_compressorname[32];
409 int16_t i_qt_color_table;
411 /* XXX hack ImageDescription */
412 int i_qt_image_description;
413 uint8_t *p_qt_image_description;
415 } MP4_Box_data_sample_vide_t;
417 typedef struct MP4_Box_data_sample_hint_s
419 uint8_t i_reserved1[6];
420 uint16_t i_data_reference_index;
424 } MP4_Box_data_sample_hint_t;
426 typedef struct MP4_Box_data_moviehintinformation_rtp_s
428 uint32_t i_description_format;
429 unsigned char *psz_text;
431 } MP4_Box_data_moviehintinformation_rtp_t;
435 typedef struct MP4_Box_data_stsd_s
440 uint32_t i_entry_count;
442 /* it contains SampleEntry handled as if it was Box */
444 } MP4_Box_data_stsd_t;
447 typedef struct MP4_Box_data_stsz_s
452 uint32_t i_sample_size;
453 uint32_t i_sample_count;
455 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
457 } MP4_Box_data_stsz_t;
459 typedef struct MP4_Box_data_stz2_s
464 uint32_t i_sample_size; /* 24 bits */
465 uint8_t i_field_size;
466 uint32_t i_sample_count;
468 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
470 } MP4_Box_data_stz2_t;
472 typedef struct MP4_Box_data_stsc_s
477 uint32_t i_entry_count;
479 uint32_t *i_first_chunk; /* theses are arrays */
480 uint32_t *i_samples_per_chunk;
481 uint32_t *i_sample_description_index;
483 } MP4_Box_data_stsc_t;
486 typedef struct MP4_Box_data_co64_s
491 uint32_t i_entry_count;
493 uint64_t *i_chunk_offset;
495 } MP4_Box_data_co64_t;
498 typedef struct MP4_Box_data_stss_s
503 uint32_t i_entry_count;
505 uint32_t *i_sample_number;
507 } MP4_Box_data_stss_t;
509 typedef struct MP4_Box_data_stsh_s
514 uint32_t i_entry_count;
516 uint32_t *i_shadowed_sample_number;
517 uint32_t *i_sync_sample_number;
519 } MP4_Box_data_stsh_t;
521 typedef struct MP4_Box_data_stdp_s
526 uint16_t *i_priority;
528 } MP4_Box_data_stdp_t;
530 typedef struct MP4_Box_data_padb_s
535 uint32_t i_sample_count;
537 uint16_t *i_reserved1; /* 1bit */
538 uint16_t *i_pad2; /* 3bits */
539 uint16_t *i_reserved2; /* 1bit */
540 uint16_t *i_pad1; /* 3bits */
543 } MP4_Box_data_padb_t;
546 typedef struct MP4_Box_data_elst_s
551 uint32_t i_entry_count;
553 uint64_t *i_segment_duration;
554 int64_t *i_media_time;
555 uint16_t *i_media_rate_integer;
556 uint16_t *i_media_rate_fraction;
559 } MP4_Box_data_elst_t;
561 typedef struct MP4_Box_data_cprt_s
566 unsigned char i_language[3];
568 unsigned char *psz_notice;
569 } MP4_Box_data_cprt_t;
572 /* DecoderConfigDescriptor */
573 typedef struct MP4_descriptor_decoder_config_s
575 uint8_t i_objectTypeIndication;
576 uint8_t i_streamType;
582 int i_decoder_specific_info_len;
583 uint8_t *p_decoder_specific_info;
584 /* some other stuff */
586 } MP4_descriptor_decoder_config_t;
588 typedef struct MP4_descriptor_SL_config_s
591 int i_dummy; /* ANSI C forbids empty structures */
593 } MP4_descriptor_SL_config_t;
596 typedef struct MP4_descriptor_ES_s
599 int b_stream_dependence;
602 int i_stream_priority;
604 int i_depend_on_ES_ID; /* if b_stream_dependence set */
606 unsigned char *psz_URL;
608 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
609 MP4_descriptor_decoder_config_t *p_decConfigDescr;
611 MP4_descriptor_SL_config_t *p_slConfigDescr;
613 /* some other stuff ... */
615 } MP4_descriptor_ES_t;
618 typedef struct MP4_Box_data_esds_s
623 MP4_descriptor_ES_t es_descriptor;
625 } MP4_Box_data_esds_t;
628 typedef struct MP4_Box_data_dcom_s
630 uint32_t i_algorithm; /* fourcc */
632 } MP4_Box_data_dcom_t;
634 typedef struct MP4_Box_data_cmvd_s
636 uint32_t i_uncompressed_size;
637 uint32_t i_compressed_size;
639 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
642 } MP4_Box_data_cmvd_t;
644 typedef struct MP4_Box_data_cmov_s
646 struct MP4_Box_s *p_moov; /* uncompressed moov */
648 } MP4_Box_data_cmov_t;
650 typedef struct MP4_Box_data_rdrf_s
658 } MP4_Box_data_rdrf_t;
660 typedef struct MP4_Box_data_rmdr_s
667 } MP4_Box_data_rmdr_t;
669 typedef struct MP4_Box_data_rmvc_s
674 uint32_t i_gestaltType;
677 uint16_t i_checkType; /* 0: val1 is version min
678 1: gestalt value & val2 == val1 */
680 } MP4_Box_data_rmvc_t;
682 typedef struct MP4_Box_data_rmcd_s
688 } MP4_Box_data_rmcd_t;
690 typedef struct MP4_Box_data_rmqu_s
694 } MP4_Box_data_rmqu_t;
697 typedef struct MP4_Box_data__s
706 typedef union MP4_Box_data_s
708 MP4_Box_data_ftyp_t *p_ftyp;
709 MP4_Box_data_mvhd_t *p_mvhd;
710 MP4_Box_data_tkhd_t *p_tkhd;
711 MP4_Box_data_mdhd_t *p_mdhd;
712 MP4_Box_data_hdlr_t *p_hdlr;
713 MP4_Box_data_vmhd_t *p_vmhd;
714 MP4_Box_data_smhd_t *p_smhd;
715 MP4_Box_data_hmhd_t *p_hmhd;
716 MP4_Box_data_url_t *p_url;
717 MP4_Box_data_urn_t *p_urn;
718 MP4_Box_data_dref_t *p_dref;
719 MP4_Box_data_stts_t *p_stts;
720 MP4_Box_data_ctts_t *p_ctts;
721 MP4_Box_data_stsd_t *p_stsd;
722 MP4_Box_data_sample_vide_t *p_sample_vide;
723 MP4_Box_data_sample_soun_t *p_sample_soun;
724 MP4_Box_data_sample_hint_t *p_sample_hint;
726 MP4_Box_data_esds_t *p_esds;
728 MP4_Box_data_stsz_t *p_stsz;
729 MP4_Box_data_stz2_t *p_stz2;
730 MP4_Box_data_stsc_t *p_stsc;
731 MP4_Box_data_co64_t *p_co64;
732 MP4_Box_data_stss_t *p_stss;
733 MP4_Box_data_stsh_t *p_stsh;
734 MP4_Box_data_stdp_t *p_stdp;
735 MP4_Box_data_padb_t *p_padb;
736 MP4_Box_data_elst_t *p_elst;
737 MP4_Box_data_cprt_t *p_cprt;
739 MP4_Box_data_dcom_t *p_dcom;
740 MP4_Box_data_cmvd_t *p_cmvd;
741 MP4_Box_data_cmov_t *p_cmov;
743 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
745 MP4_Box_data_rdrf_t *p_rdrf;
746 MP4_Box_data_rmdr_t *p_rmdr;
747 MP4_Box_data_rmqu_t *p_rmqu;
748 MP4_Box_data_rmvc_t *p_rmvc;
750 void *p_data; /* for unknow type */
755 /* the most basic structure */
756 typedef struct MP4_Box_s
758 off_t i_pos; /* absolute position */
761 uint32_t i_shortsize;
763 UUID_t i_uuid; /* Set if i_type == "uuid" */
765 uint64_t i_size; /* always set so use it */
767 MP4_Box_data_t data; /* union of pointers on extended data depending
768 on i_type (or i_usertype) */
770 struct MP4_Box_s *p_father; /* pointer on the father Box */
772 struct MP4_Box_s *p_first; /* pointer on the first child Box */
773 struct MP4_Box_s *p_last;
775 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
779 /*---------------------------------------------------------------------------*/
781 /****----------------------- High level functions ------------------------****/
783 /*---------------------------------------------------------------------------*/
785 /*****************************************************************************
786 * Function for manipulate stream easily
787 *****************************************************************************/
789 off_t MP4_TellAbsolute( input_thread_t *p_input );
790 int MP4_SeekAbsolute( input_thread_t *p_input, off_t i_pos);
791 int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size );
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
799 * RETURN : 1 if succes and 0 if it failed
800 *****************************************************************************/
801 int MP4_BoxGetRoot( input_thread_t *p_input, MP4_Box_t *p_root );
803 /*****************************************************************************
804 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
805 * or MP4_BoxGetRoot, this means also children boxes
806 * XXX : all children have to be allocated by a malloc !! and
807 * p_box isn't freeing
808 *****************************************************************************/
809 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box );
811 /*****************************************************************************
812 * MP4_DumpBoxStructure: print the structure of the p_box
813 *****************************************************************************
814 * Usefull while debugging
815 *****************************************************************************/
816 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box );
819 /*****************************************************************************
820 * MP4_BoxGet: find a box given a path relative to p_box
821 *****************************************************************************
822 * Path Format: . .. / as usual
823 * [number] to specifie box number ex: trak[12]
827 *****************************************************************************/
828 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... );
830 /*****************************************************************************
831 * MP4_BoxCount: find number of box given a path relative to p_box
832 *****************************************************************************
833 * Path Format: . .. / as usual
834 * [number] to specifie box number ex: trak[12]
838 *****************************************************************************/
839 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );
843 /*---------------------------------------------------------------------------*/
845 /****---------------------- Medium level functions -----------------------****/
847 /*---------------------------------------------------------------------------*/
850 /*****************************************************************************
851 * MP4_CountBox: given a box, count how many child have the requested type
852 * FIXME : support GUUID
853 *****************************************************************************/
854 int MP4_CountBox( MP4_Box_t *p_box, uint32_t i_type );
857 /*****************************************************************************
858 * MP4_FindBox: find first box with i_type child of p_box
859 * return NULL if not found
860 *****************************************************************************/
861 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, uint32_t i_type );
864 /*****************************************************************************
865 * MP4_FindNextBox: find next box with thesame type and at the same level
867 *****************************************************************************/
868 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box );
870 /*****************************************************************************
871 * MP4_FindNbBox: find the box i_number
872 *****************************************************************************/
873 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, uint32_t i_number );
876 /*---------------------------------------------------------------------------*/
877 /****----------------------- Lower level functions -----------------------****/
879 /****------Use them only when you known what they really do and need------****/
881 /****---------------------------------------------------------------------****/
882 /*---------------------------------------------------------------------------*/
885 /**** ------- First some function to make abstract from input -------- */
887 /****************************************************************************
888 * MP4_InputStream create an stram with an input
890 ****************************************************************************/
891 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input );
893 /****************************************************************************
894 * MP4_MemoryStream create a memory stream
895 * if p_buffer == NULL, will allocate a buffer of i_size, else
896 * it uses p_buffer XXX you have to unallocate yourself !
898 ****************************************************************************/
899 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
900 int i_size, uint8_t *p_buffer );
902 /****************************************************************************
903 * MP4_ReadStream read from a MP4_Stream_t
905 ****************************************************************************/
906 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size );
908 /****************************************************************************
909 * MP4_PeekStream guess it ;)
911 ****************************************************************************/
912 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size );
914 /****************************************************************************
915 * MP4_TellStream give absolute position in the stream
916 * XXX for a memory stream give position from begining of the buffer
917 ****************************************************************************/
918 off_t MP4_TellStream( MP4_Stream_t *p_stream );
920 /****************************************************************************
921 * MP4_SeekStream seek in a MP4_Stream_t
923 ****************************************************************************/
924 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos);
928 /*****************************************************************************
929 * MP4_ReadBox : parse the actual box and the children if they exist
931 * RETURN : 1 if succes and 0 if it failed
932 *****************************************************************************/
933 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father );
936 /*****************************************************************************
937 * MP4_ReadBoxCommon : Load only common parameters for all boxes
938 *****************************************************************************
939 * p_box need to be an already allocated MP4_Box_t, and all data
940 * will only be peek not read
942 * RETURN : 0 if it fail, 1 otherwise
943 *****************************************************************************/
944 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
947 /*****************************************************************************
948 * MP4_MP4_GotoBox : Go to this particular box
949 *****************************************************************************
950 * RETURN : 0 if it fail, 1 otherwise
951 *****************************************************************************/
952 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
955 /*****************************************************************************
956 * MP4_MP4_NextBox : Go to the next box wiithin p_box->p_father
957 *****************************************************************************
958 * if p_box == NULL, go to the next box in witch we are( at the begining ).
959 *****************************************************************************/
960 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box );