1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.h,v 1.11 2003/05/06 16:05:10 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_cmov VLC_FOURCC( 'c', 'm', 'o', 'v' )
28 #define FOURCC_dcom VLC_FOURCC( 'd', 'c', 'o', 'm' )
29 #define FOURCC_cmvd VLC_FOURCC( 'c', 'm', 'v', 'd' )
31 #define FOURCC_moof VLC_FOURCC( 'm', 'o', 'o', 'f' )
32 #define FOURCC_mdat VLC_FOURCC( 'm', 'd', 'a', 't' )
33 #define FOURCC_skip VLC_FOURCC( 's', 'k', 'i', 'p' )
34 #define FOURCC_free VLC_FOURCC( 'f', 'r', 'e', 'e' )
35 #define FOURCC_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
36 #define FOURCC_wide VLC_FOURCC( 'w', 'i', 'd', 'e' )
38 #define FOURCC_trak VLC_FOURCC( 't', 'r', 'a', 'k' )
39 #define FOURCC_mvhd VLC_FOURCC( 'm', 'v', 'h', 'd' )
40 #define FOURCC_tkhd VLC_FOURCC( 't', 'k', 'h', 'd' )
41 #define FOURCC_tref VLC_FOURCC( 't', 'r', 'e', 'f' )
42 #define FOURCC_mdia VLC_FOURCC( 'm', 'd', 'i', 'a' )
43 #define FOURCC_mdhd VLC_FOURCC( 'm', 'd', 'h', 'd' )
44 #define FOURCC_hdlr VLC_FOURCC( 'h', 'd', 'l', 'r' )
45 #define FOURCC_minf VLC_FOURCC( 'm', 'i', 'n', 'f' )
46 #define FOURCC_vmhd VLC_FOURCC( 'v', 'm', 'h', 'd' )
47 #define FOURCC_smhd VLC_FOURCC( 's', 'm', 'h', 'd' )
48 #define FOURCC_hmhd VLC_FOURCC( 'h', 'm', 'h', 'd' )
49 #define FOURCC_dinf VLC_FOURCC( 'd', 'i', 'n', 'f' )
50 #define FOURCC_url VLC_FOURCC( 'u', 'r', 'l', ' ' )
51 #define FOURCC_urn VLC_FOURCC( 'u', 'r', 'n', ' ' )
52 #define FOURCC_dref VLC_FOURCC( 'd', 'r', 'e', 'f' )
53 #define FOURCC_stbl VLC_FOURCC( 's', 't', 'b', 'l' )
54 #define FOURCC_stts VLC_FOURCC( 's', 't', 't', 's' )
55 #define FOURCC_ctts VLC_FOURCC( 'c', 't', 't', 's' )
56 #define FOURCC_stsd VLC_FOURCC( 's', 't', 's', 'd' )
57 #define FOURCC_stsz VLC_FOURCC( 's', 't', 's', 'z' )
58 #define FOURCC_stz2 VLC_FOURCC( 's', 't', 'z', '2' )
59 #define FOURCC_stsc VLC_FOURCC( 's', 't', 's', 'c' )
60 #define FOURCC_stco VLC_FOURCC( 's', 't', 'c', 'o' )
61 #define FOURCC_co64 VLC_FOURCC( 'c', 'o', '6', '4' )
62 #define FOURCC_stss VLC_FOURCC( 's', 't', 's', 's' )
63 #define FOURCC_stsh VLC_FOURCC( 's', 't', 's', 'h' )
64 #define FOURCC_stdp VLC_FOURCC( 's', 't', 'd', 'p' )
65 #define FOURCC_padb VLC_FOURCC( 'p', 'a', 'd', 'b' )
66 #define FOURCC_edts VLC_FOURCC( 'e', 'd', 't', 's' )
67 #define FOURCC_elst VLC_FOURCC( 'e', 'l', 's', 't' )
68 #define FOURCC_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
69 #define FOURCC_mvex VLC_FOURCC( 'm', 'v', 'e', 'x' )
70 #define FOURCC_trex VLC_FOURCC( 't', 'r', 'e', 'x' )
71 #define FOURCC_mfhd VLC_FOURCC( 'm', 'f', 'h', 'd' )
72 #define FOURCC_traf VLC_FOURCC( 't', 'r', 'a', 'f' )
73 #define FOURCC_tfhd VLC_FOURCC( 't', 'f', 'h', 'd' )
74 #define FOURCC_trun VLC_FOURCC( 't', 'r', 'u', 'n' )
75 #define FOURCC_cprt VLC_FOURCC( 'c', 'p', 'r', 't' )
76 #define FOURCC_iods VLC_FOURCC( 'i', 'o', 'd', 's' )
78 #define FOURCC_nmhd VLC_FOURCC( 'n', 'm', 'h', 'd' )
79 #define FOURCC_mp4v VLC_FOURCC( 'm', 'p', '4', 'v' )
80 #define FOURCC_mp4a VLC_FOURCC( 'm', 'p', '4', 'a' )
81 #define FOURCC_mp4s VLC_FOURCC( 'm', 'p', '4', 's' )
82 #define FOURCC_vide VLC_FOURCC( 'v', 'i', 'd', 'e' )
83 #define FOURCC_soun VLC_FOURCC( 's', 'o', 'u', 'n' )
84 #define FOURCC_hint VLC_FOURCC( 'h', 'i', 'n', 't' )
86 #define FOURCC_dpnd VLC_FOURCC( 'd', 'p', 'n', 'd' )
87 #define FOURCC_ipir VLC_FOURCC( 'i', 'p', 'i', 'r' )
88 #define FOURCC_mpod VLC_FOURCC( 'm', 'p', 'o', 'd' )
89 #define FOURCC_hnti VLC_FOURCC( 'h', 'n', 't', 'i' )
90 #define FOURCC_rtp VLC_FOURCC( 'r', 't', 'p', ' ' )
92 #define FOURCC_isom VLC_FOURCC( 'i', 's', 'o', 'm' )
93 #define FOURCC_esds VLC_FOURCC( 'e', 's', 'd', 's' )
95 #define FOURCC__mp3 VLC_FOURCC( '.', 'm', 'p', '3' )
96 #define FOURCC_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 )
97 #define FOURCC_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 )
98 #define FOURCC_ms55 VLC_FOURCC( 'm', 's', 0x0, 0x55 )
99 #define FOURCC_twos VLC_FOURCC( 't', 'w', 'o', 's' )
100 #define FOURCC_sowt VLC_FOURCC( 's', 'o', 'w', 't' )
101 #define FOURCC_QDMC VLC_FOURCC( 'Q', 'D', 'M', 'C' )
102 #define FOURCC_QDM2 VLC_FOURCC( 'Q', 'D', 'M', '2' )
103 #define FOURCC_ima4 VLC_FOURCC( 'i', 'm', 'a', '4' )
104 #define FOURCC_IMA4 VLC_FOURCC( 'I', 'M', 'A', '4' )
105 #define FOURCC_dvi VLC_FOURCC( 'd', 'v', 'i', ' ' )
106 #define FOURCC_MAC3 VLC_FOURCC( 'M', 'A', 'C', '3' )
107 #define FOURCC_MAC6 VLC_FOURCC( 'M', 'A', 'C', '6' )
108 #define FOURCC_alaw VLC_FOURCC( 'a', 'l', 'a', 'w' )
109 #define FOURCC_ulaw VLC_FOURCC( 'u', 'l', 'a', 'w' )
110 #define FOURCC_Qclp VLC_FOURCC( 'Q', 'c', 'l', 'p' )
112 #define FOURCC_zlib VLC_FOURCC( 'z', 'l', 'i', 'b' )
113 #define FOURCC_SVQ1 VLC_FOURCC( 'S', 'V', 'Q', '1' )
114 #define FOURCC_SVQ3 VLC_FOURCC( 'S', 'V', 'Q', '3' )
115 #define FOURCC_ZyGo VLC_FOURCC( 'Z', 'y', 'G', 'o' )
116 #define FOURCC_3IV1 VLC_FOURCC( '3', 'I', 'V', '1' )
117 #define FOURCC_3iv1 VLC_FOURCC( '3', 'i', 'v', '1' )
118 #define FOURCC_3IV2 VLC_FOURCC( '3', 'I', 'V', '2' )
119 #define FOURCC_3iv2 VLC_FOURCC( '3', 'i', 'v', '2' )
120 #define FOURCC_3IVD VLC_FOURCC( '3', 'I', 'V', 'D' )
121 #define FOURCC_3ivd VLC_FOURCC( '3', 'i', 'v', 'd' )
122 #define FOURCC_3VID VLC_FOURCC( '3', 'V', 'I', 'D' )
123 #define FOURCC_3vid VLC_FOURCC( '3', 'v', 'i', 'd' )
124 #define FOURCC_h263 VLC_FOURCC( 'h', '2', '6', '3' )
125 #define FOURCC_s263 VLC_FOURCC( 's', '2', '6', '3' )
126 #define FOURCC_DIVX VLC_FOURCC( 'D', 'I', 'V', 'X' )
127 #define FOURCC_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' )
128 #define FOURCC_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' )
129 #define FOURCC_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' )
130 #define FOURCC_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' )
131 #define FOURCC_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
133 #define FOURCC_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' )
134 #define FOURCC_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' )
135 #define FOURCC_raw VLC_FOURCC( 'r', 'a', 'w', ' ' )
137 #define FOURCC_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
140 #define FOURCC_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
141 #define FOURCC_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
142 #define FOURCC_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
143 #define FOURCC_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
144 #define FOURCC_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
145 #define FOURCC_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
146 #define FOURCC_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
147 #define FOURCC_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
149 /* Do you want some debug information on all read boxes ? */
150 #define MP4_VERBOSE 1
152 /* memory stream and file stream object */
154 typedef struct MP4_Stream_s
156 int b_memory; /* do we uses a memory buffer */
158 input_thread_t *p_input;
160 off_t i_start; /* in the buffer position for memory stream */
169 /* uuid Universal Unique IDentifiers */
170 typedef struct UUID_s
175 /* specific structure for all boxes */
177 typedef struct MP4_Box_data_ftyp_s
179 uint32_t i_major_brand;
180 uint32_t i_minor_version;
182 uint32_t i_compatible_brands_count;
183 uint32_t *i_compatible_brands;
185 } MP4_Box_data_ftyp_t;
187 typedef struct MP4_Box_data_mvhd_s
192 uint64_t i_creation_time;
193 uint64_t i_modification_time;
194 uint32_t i_timescale;
200 uint32_t i_reserved2[2];
202 uint32_t i_predefined[6];
203 uint32_t i_next_track_id;
205 } MP4_Box_data_mvhd_t;
207 #define MP4_TRACK_ENABLED 0x000001
208 #define MP4_TRACK_IN_MOVIE 0x000002
209 #define MP4_TRACK_IN_PREVIEW 0x000004
210 typedef struct MP4_Box_data_tkhd_s
215 uint64_t i_creation_time;
216 uint64_t i_modification_time;
221 uint32_t i_reserved2[2];
223 int16_t i_predefined;
226 uint16_t i_reserved3;
231 } MP4_Box_data_tkhd_t;
233 typedef struct MP4_Box_data_mdhd_s
238 uint64_t i_creation_time;
239 uint64_t i_modification_time;
240 uint32_t i_timescale;
243 /* one bit for pad */
244 /* unsigned int(5)[3] language difference with 0x60*/
245 unsigned char i_language[3];
246 uint16_t i_predefined;
248 } MP4_Box_data_mdhd_t;
250 typedef struct MP4_Box_data_hdlr_s
255 uint32_t i_predefined;
256 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
257 "crsm" "sdsm" "m7sm" "ocsm"
260 unsigned char *psz_name; /* in UTF-8 */
262 } MP4_Box_data_hdlr_t;
264 typedef struct MP4_Box_data_vmhd_s
269 int16_t i_graphics_mode;
270 int16_t i_opcolor[3];
272 } MP4_Box_data_vmhd_t;
274 typedef struct MP4_Box_data_smhd_s
282 } MP4_Box_data_smhd_t;
284 typedef struct MP4_Box_data_hmhd_s
289 uint16_t i_max_PDU_size;
290 uint16_t i_avg_PDU_size;
291 uint32_t i_max_bitrate;
292 uint32_t i_avg_bitrate;
295 } MP4_Box_data_hmhd_t;
297 typedef struct MP4_Box_data_url_s
302 unsigned char *psz_location;
304 } MP4_Box_data_url_t;
306 typedef struct MP4_Box_data_urn_s
311 unsigned char *psz_name;
312 unsigned char *psz_location;
314 } MP4_Box_data_urn_t;
316 typedef struct MP4_Box_data_dref_s
321 uint32_t i_entry_count;
322 /* XXX it's also a container with i_entry_count entry */
323 } MP4_Box_data_dref_t;
325 typedef struct MP4_Box_data_stts_s
330 uint32_t i_entry_count;
331 uint32_t *i_sample_count; /* these are array */
332 int32_t *i_sample_delta;
334 } MP4_Box_data_stts_t;
336 typedef struct MP4_Box_data_ctts_s
341 uint32_t i_entry_count;
343 uint32_t *i_sample_count; /* these are array */
344 int32_t *i_sample_offset;
346 } MP4_Box_data_ctts_t;
349 typedef struct MP4_Box_data_sample_soun_s
351 uint8_t i_reserved1[6];
352 uint16_t i_data_reference_index;
354 //uint32_t i_reserved2[2];
355 uint16_t i_qt_version;
356 uint16_t i_qt_revision_level;
357 uint32_t i_qt_vendor;
359 uint16_t i_channelcount;
360 uint16_t i_samplesize;
361 uint16_t i_predefined;
362 uint16_t i_reserved3;
363 uint16_t i_sampleratehi; /* timescale of track */
364 uint16_t i_sampleratelo;
366 /* for version 1 (i_reserved1[0] == 1) */
367 uint32_t i_sample_per_packet;
368 uint32_t i_bytes_per_packet;
369 uint32_t i_bytes_per_frame;
370 uint32_t i_bytes_per_sample;
373 int i_qt_description;
374 uint8_t *p_qt_description;
376 } MP4_Box_data_sample_soun_t;
378 typedef struct MP4_Box_data_sample_vide_s
380 uint8_t i_reserved1[6];
381 uint16_t i_data_reference_index;
383 uint16_t i_qt_version;
384 uint16_t i_qt_revision_level;
385 uint32_t i_qt_vendor;
387 uint32_t i_qt_temporal_quality;
388 uint32_t i_qt_spatial_quality;
393 uint32_t i_horizresolution;
394 uint32_t i_vertresolution;
396 uint32_t i_qt_data_size;
397 uint16_t i_qt_frame_count;
399 uint8_t i_compressorname[32];
402 int16_t i_qt_color_table;
404 /* XXX hack ImageDescription */
405 int i_qt_image_description;
406 uint8_t *p_qt_image_description;
408 } MP4_Box_data_sample_vide_t;
410 typedef struct MP4_Box_data_sample_hint_s
412 uint8_t i_reserved1[6];
413 uint16_t i_data_reference_index;
417 } MP4_Box_data_sample_hint_t;
419 typedef struct MP4_Box_data_moviehintinformation_rtp_s
421 uint32_t i_description_format;
422 unsigned char *psz_text;
424 } MP4_Box_data_moviehintinformation_rtp_t;
428 typedef struct MP4_Box_data_stsd_s
433 uint32_t i_entry_count;
435 /* it contains SampleEntry handled as if it was Box */
437 } MP4_Box_data_stsd_t;
440 typedef struct MP4_Box_data_stsz_s
445 uint32_t i_sample_size;
446 uint32_t i_sample_count;
448 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
450 } MP4_Box_data_stsz_t;
452 typedef struct MP4_Box_data_stz2_s
457 uint32_t i_sample_size; /* 24 bits */
458 uint8_t i_field_size;
459 uint32_t i_sample_count;
461 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
463 } MP4_Box_data_stz2_t;
465 typedef struct MP4_Box_data_stsc_s
470 uint32_t i_entry_count;
472 uint32_t *i_first_chunk; /* theses are arrays */
473 uint32_t *i_samples_per_chunk;
474 uint32_t *i_sample_description_index;
476 } MP4_Box_data_stsc_t;
479 typedef struct MP4_Box_data_co64_s
484 uint32_t i_entry_count;
486 uint64_t *i_chunk_offset;
488 } MP4_Box_data_co64_t;
491 typedef struct MP4_Box_data_stss_s
496 uint32_t i_entry_count;
498 uint32_t *i_sample_number;
500 } MP4_Box_data_stss_t;
502 typedef struct MP4_Box_data_stsh_s
507 uint32_t i_entry_count;
509 uint32_t *i_shadowed_sample_number;
510 uint32_t *i_sync_sample_number;
512 } MP4_Box_data_stsh_t;
514 typedef struct MP4_Box_data_stdp_s
519 uint16_t *i_priority;
521 } MP4_Box_data_stdp_t;
523 typedef struct MP4_Box_data_padb_s
528 uint32_t i_sample_count;
530 uint16_t *i_reserved1; /* 1bit */
531 uint16_t *i_pad2; /* 3bits */
532 uint16_t *i_reserved2; /* 1bit */
533 uint16_t *i_pad1; /* 3bits */
536 } MP4_Box_data_padb_t;
539 typedef struct MP4_Box_data_elst_s
544 uint32_t i_entry_count;
546 uint64_t *i_segment_duration;
547 int64_t *i_media_time;
548 uint16_t *i_media_rate_integer;
549 uint16_t *i_media_rate_fraction;
552 } MP4_Box_data_elst_t;
554 typedef struct MP4_Box_data_cprt_s
559 unsigned char i_language[3];
561 unsigned char *psz_notice;
562 } MP4_Box_data_cprt_t;
565 /* DecoderConfigDescriptor */
566 typedef struct MP4_descriptor_decoder_config_s
568 uint8_t i_objectTypeIndication;
569 uint8_t i_streamType;
575 int i_decoder_specific_info_len;
576 uint8_t *p_decoder_specific_info;
577 /* some other stuff */
579 } MP4_descriptor_decoder_config_t;
581 typedef struct MP4_descriptor_SL_config_s
584 int i_dummy; /* ANSI C forbids empty structures */
586 } MP4_descriptor_SL_config_t;
589 typedef struct MP4_descriptor_ES_s
592 int b_stream_dependence;
595 int i_stream_priority;
597 int i_depend_on_ES_ID; /* if b_stream_dependence set */
599 unsigned char *psz_URL;
601 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
602 MP4_descriptor_decoder_config_t *p_decConfigDescr;
604 MP4_descriptor_SL_config_t *p_slConfigDescr;
606 /* some other stuff ... */
608 } MP4_descriptor_ES_t;
611 typedef struct MP4_Box_data_esds_s
616 MP4_descriptor_ES_t es_descriptor;
618 } MP4_Box_data_esds_t;
621 typedef struct MP4_Box_data_dcom_s
623 uint32_t i_algorithm; /* fourcc */
625 } MP4_Box_data_dcom_t;
627 typedef struct MP4_Box_data_cmvd_s
629 uint32_t i_uncompressed_size;
630 uint32_t i_compressed_size;
632 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
635 } MP4_Box_data_cmvd_t;
637 typedef struct MP4_Box_data_cmov_s
639 struct MP4_Box_s *p_moov; /* uncompressed moov */
641 } MP4_Box_data_cmov_t;
643 typedef struct MP4_Box_data_rdrf_s
651 } MP4_Box_data_rdrf_t;
653 typedef struct MP4_Box_data_rmdr_s
660 } MP4_Box_data_rmdr_t;
662 typedef struct MP4_Box_data_rmvc_s
667 uint32_t i_gestaltType;
670 uint16_t i_checkType; /* 0: val1 is version min
671 1: gestalt value & val2 == val1 */
673 } MP4_Box_data_rmvc_t;
675 typedef struct MP4_Box_data_rmcd_s
681 } MP4_Box_data_rmcd_t;
683 typedef struct MP4_Box_data_rmqu_s
687 } MP4_Box_data_rmqu_t;
690 typedef struct MP4_Box_data__s
699 typedef union MP4_Box_data_s
701 MP4_Box_data_ftyp_t *p_ftyp;
702 MP4_Box_data_mvhd_t *p_mvhd;
703 MP4_Box_data_tkhd_t *p_tkhd;
704 MP4_Box_data_mdhd_t *p_mdhd;
705 MP4_Box_data_hdlr_t *p_hdlr;
706 MP4_Box_data_vmhd_t *p_vmhd;
707 MP4_Box_data_smhd_t *p_smhd;
708 MP4_Box_data_hmhd_t *p_hmhd;
709 MP4_Box_data_url_t *p_url;
710 MP4_Box_data_urn_t *p_urn;
711 MP4_Box_data_dref_t *p_dref;
712 MP4_Box_data_stts_t *p_stts;
713 MP4_Box_data_ctts_t *p_ctts;
714 MP4_Box_data_stsd_t *p_stsd;
715 MP4_Box_data_sample_vide_t *p_sample_vide;
716 MP4_Box_data_sample_soun_t *p_sample_soun;
717 MP4_Box_data_sample_hint_t *p_sample_hint;
719 MP4_Box_data_esds_t *p_esds;
721 MP4_Box_data_stsz_t *p_stsz;
722 MP4_Box_data_stz2_t *p_stz2;
723 MP4_Box_data_stsc_t *p_stsc;
724 MP4_Box_data_co64_t *p_co64;
725 MP4_Box_data_stss_t *p_stss;
726 MP4_Box_data_stsh_t *p_stsh;
727 MP4_Box_data_stdp_t *p_stdp;
728 MP4_Box_data_padb_t *p_padb;
729 MP4_Box_data_elst_t *p_elst;
730 MP4_Box_data_cprt_t *p_cprt;
732 MP4_Box_data_dcom_t *p_dcom;
733 MP4_Box_data_cmvd_t *p_cmvd;
734 MP4_Box_data_cmov_t *p_cmov;
736 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
738 MP4_Box_data_rdrf_t *p_rdrf;
739 MP4_Box_data_rmdr_t *p_rmdr;
740 MP4_Box_data_rmqu_t *p_rmqu;
741 MP4_Box_data_rmvc_t *p_rmvc;
743 void *p_data; /* for unknow type */
748 /* the most basic structure */
749 typedef struct MP4_Box_s
751 off_t i_pos; /* absolute position */
754 uint32_t i_shortsize;
756 UUID_t i_uuid; /* Set if i_type == "uuid" */
758 uint64_t i_size; /* always set so use it */
760 MP4_Box_data_t data; /* union of pointers on extended data depending
761 on i_type (or i_usertype) */
763 struct MP4_Box_s *p_father; /* pointer on the father Box */
765 struct MP4_Box_s *p_first; /* pointer on the first child Box */
766 struct MP4_Box_s *p_last;
768 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
772 /*---------------------------------------------------------------------------*/
774 /****----------------------- High level functions ------------------------****/
776 /*---------------------------------------------------------------------------*/
778 /*****************************************************************************
779 * Function for manipulate stream easily
780 *****************************************************************************/
782 off_t MP4_TellAbsolute( input_thread_t *p_input );
783 int MP4_SeekAbsolute( input_thread_t *p_input, off_t i_pos);
784 int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size );
786 /*****************************************************************************
787 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
788 *****************************************************************************
789 * The first box is a virtual box "root" and is the father for all first
792 * RETURN : 1 if succes and 0 if it failed
793 *****************************************************************************/
794 int MP4_BoxGetRoot( input_thread_t *p_input, MP4_Box_t *p_root );
796 /*****************************************************************************
797 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
798 * or MP4_BoxGetRoot, this means also children boxes
799 * XXX : all children have to be allocated by a malloc !! and
800 * p_box isn't freeing
801 *****************************************************************************/
802 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box );
804 /*****************************************************************************
805 * MP4_DumpBoxStructure: print the structure of the p_box
806 *****************************************************************************
807 * Usefull while debugging
808 *****************************************************************************/
809 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box );
812 /*****************************************************************************
813 * MP4_BoxGet: find a box given a path relative to p_box
814 *****************************************************************************
815 * Path Format: . .. / as usual
816 * [number] to specifie box number ex: trak[12]
820 *****************************************************************************/
821 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... );
823 /*****************************************************************************
824 * MP4_BoxCount: find number of box given a path relative to p_box
825 *****************************************************************************
826 * Path Format: . .. / as usual
827 * [number] to specifie box number ex: trak[12]
831 *****************************************************************************/
832 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );
836 /*---------------------------------------------------------------------------*/
838 /****---------------------- Medium level functions -----------------------****/
840 /*---------------------------------------------------------------------------*/
843 /*****************************************************************************
844 * MP4_CountBox: given a box, count how many child have the requested type
845 * FIXME : support GUUID
846 *****************************************************************************/
847 int MP4_CountBox( MP4_Box_t *p_box, uint32_t i_type );
850 /*****************************************************************************
851 * MP4_FindBox: find first box with i_type child of p_box
852 * return NULL if not found
853 *****************************************************************************/
854 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, uint32_t i_type );
857 /*****************************************************************************
858 * MP4_FindNextBox: find next box with thesame type and at the same level
860 *****************************************************************************/
861 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box );
863 /*****************************************************************************
864 * MP4_FindNbBox: find the box i_number
865 *****************************************************************************/
866 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, uint32_t i_number );
869 /*---------------------------------------------------------------------------*/
870 /****----------------------- Lower level functions -----------------------****/
872 /****------Use them only when you known what they really do and need------****/
874 /****---------------------------------------------------------------------****/
875 /*---------------------------------------------------------------------------*/
878 /**** ------- First some function to make abstract from input -------- */
880 /****************************************************************************
881 * MP4_InputStream create an stram with an input
883 ****************************************************************************/
884 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input );
886 /****************************************************************************
887 * MP4_MemoryStream create a memory stream
888 * if p_buffer == NULL, will allocate a buffer of i_size, else
889 * it uses p_buffer XXX you have to unallocate yourself !
891 ****************************************************************************/
892 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
893 int i_size, uint8_t *p_buffer );
895 /****************************************************************************
896 * MP4_ReadStream read from a MP4_Stream_t
898 ****************************************************************************/
899 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size );
901 /****************************************************************************
902 * MP4_PeekStream guess it ;)
904 ****************************************************************************/
905 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size );
907 /****************************************************************************
908 * MP4_TellStream give absolute position in the stream
909 * XXX for a memory stream give position from begining of the buffer
910 ****************************************************************************/
911 off_t MP4_TellStream( MP4_Stream_t *p_stream );
913 /****************************************************************************
914 * MP4_SeekStream seek in a MP4_Stream_t
916 ****************************************************************************/
917 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos);
921 /*****************************************************************************
922 * MP4_ReadBox : parse the actual box and the children if they exist
924 * RETURN : 1 if succes and 0 if it failed
925 *****************************************************************************/
926 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father );
929 /*****************************************************************************
930 * MP4_ReadBoxCommon : Load only common parameters for all boxes
931 *****************************************************************************
932 * p_box need to be an already allocated MP4_Box_t, and all data
933 * will only be peek not read
935 * RETURN : 0 if it fail, 1 otherwise
936 *****************************************************************************/
937 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
940 /*****************************************************************************
941 * MP4_MP4_GotoBox : Go to this particular box
942 *****************************************************************************
943 * RETURN : 0 if it fail, 1 otherwise
944 *****************************************************************************/
945 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
948 /*****************************************************************************
949 * MP4_MP4_NextBox : Go to the next box wiithin p_box->p_father
950 *****************************************************************************
951 * if p_box == NULL, go to the next box in witch we are( at the begining ).
952 *****************************************************************************/
953 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box );