1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 the VideoLAN team
6 * Author: 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_stream.h> /* stream_Peek*/
31 # include <zlib.h> /* for compressed moov */
38 /*****************************************************************************
39 * Here are defined some macro to make life simpler but before using it
42 *****************************************************************************/
44 static inline size_t mp4_box_headersize( MP4_Box_t *p_box )
47 + ( p_box->i_shortsize == 1 ? 8 : 0 )
48 + ( p_box->i_type == ATOM_uuid ? 16 : 0 );
51 #define MP4_GETX_PRIVATE(dst, code, size) do { \
52 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
57 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
58 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
59 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
60 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
61 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
62 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
63 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
65 #define MP4_GETVERSIONFLAGS( p_void ) \
66 MP4_GET1BYTE( p_void->i_version ); \
67 MP4_GET3BYTES( p_void->i_flags )
69 #define MP4_GETSTRINGZ( p_str ) \
70 if( (i_read > 0) && (p_peek[0]) ) \
72 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
73 p_str = malloc( __i_copy__+1 ); \
76 memcpy( p_str, p_peek, __i_copy__ ); \
77 p_str[__i_copy__] = 0; \
79 p_peek += __i_copy__ + 1; \
80 i_read -= __i_copy__ + 1; \
87 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
88 int64_t i_read = p_box->i_size; \
89 uint8_t *p_peek, *p_buff; \
90 int i_actually_read; \
91 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
95 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
96 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
101 p_peek += mp4_box_headersize( p_box ); \
102 i_read -= mp4_box_headersize( p_box ); \
103 if( !( p_box->data.p_data = calloc( 1, sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
109 #define MP4_READBOX_EXIT( i_code ) \
114 msg_Warn( p_stream, "Not enough data" ); \
120 * The input method HAS to be seekable
123 /* This macro is used when we want to printf the box type
124 * APPLE annotation box is :
125 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
126 * either 32-bit ASCII text string
128 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
130 static inline uint32_t Get24bBE( const uint8_t *p )
132 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
135 static inline void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
137 memcpy( p_uuid, p_buff, 16 );
140 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
142 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
143 where XXXXXXXX is the fourcc */
144 /* FIXME implement this */
149 /* convert 16.16 fixed point to floating point */
150 static double conv_fx( int32_t fx ) {
156 /* some functions for mp4 encoding of variables */
158 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
165 /* date begin at 1 jan 1904 */
166 i_date += ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
168 i_day = i_date / ( 60*60*24);
169 i_hour = ( i_date /( 60*60 ) ) % 60;
170 i_min = ( i_date / 60 ) % 60;
172 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
176 /*****************************************************************************
178 *****************************************************************************/
179 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
182 /*****************************************************************************
183 * MP4_ReadBoxCommon : Load only common parameters for all boxes
184 *****************************************************************************
185 * p_box need to be an already allocated MP4_Box_t, and all data
186 * will only be peek not read
188 * RETURN : 0 if it fail, 1 otherwise
189 *****************************************************************************/
190 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
193 const uint8_t *p_peek;
195 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
199 p_box->i_pos = stream_Tell( p_stream );
201 p_box->data.p_data = NULL;
202 p_box->p_father = NULL;
203 p_box->p_first = NULL;
204 p_box->p_last = NULL;
205 p_box->p_next = NULL;
207 MP4_GET4BYTES( p_box->i_shortsize );
208 MP4_GETFOURCC( p_box->i_type );
210 /* Now special case */
212 if( p_box->i_shortsize == 1 )
214 /* get the true size on 64 bits */
215 MP4_GET8BYTES( p_box->i_size );
219 p_box->i_size = p_box->i_shortsize;
220 /* XXX size of 0 means that the box extends to end of file */
223 if( p_box->i_type == ATOM_uuid )
225 /* get extented type on 16 bytes */
226 GetUUID( &p_box->i_uuid, p_peek );
227 p_peek += 16; i_read -= 16;
231 CreateUUID( &p_box->i_uuid, p_box->i_type );
236 if MP4_BOX_TYPE_ASCII()
237 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64,
238 (char*)&p_box->i_type, p_box->i_size );
240 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
241 (char*)&p_box->i_type+1, p_box->i_size );
248 /*****************************************************************************
249 * MP4_NextBox : Go to the next box
250 *****************************************************************************
251 * if p_box == NULL, go to the next box in which we are( at the begining ).
252 *****************************************************************************/
253 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
259 MP4_ReadBoxCommon( p_stream, &box );
265 return 2; /* Box with infinite size */
268 if( p_box->p_father )
270 const off_t i_box_end = p_box->i_size + p_box->i_pos;
271 const off_t i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
273 /* check if it's within p-father */
274 if( i_box_end >= i_father_end )
276 if( i_box_end > i_father_end )
277 msg_Dbg( p_stream, "out of bound child" );
278 return 0; /* out of bound */
281 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
289 /*****************************************************************************
290 * For all known box a loader is given,
291 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
292 * after called one of theses functions, file position is unknown
293 * you need to call MP4_GotoBox to go where you want
294 *****************************************************************************/
295 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
299 if( stream_Tell( p_stream ) + 8 >
300 (off_t)(p_container->i_pos + p_container->i_size) )
302 /* there is no box to load */
308 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
310 /* chain this box with the father and the other at same level */
311 if( !p_container->p_first ) p_container->p_first = p_box;
312 else p_container->p_last->p_next = p_box;
313 p_container->p_last = p_box;
315 } while( MP4_NextBox( p_stream, p_box ) == 1 );
320 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
322 if( p_container->i_size <= (size_t)mp4_box_headersize(p_container ) + 8 )
324 /* container is empty, 8 stand for the first header in this box */
329 stream_Seek( p_stream, p_container->i_pos +
330 mp4_box_headersize( p_container ) );
332 return MP4_ReadBoxContainerRaw( p_stream, p_container );
335 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
337 /* Up to now do nothing */
341 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
343 /* XXX sometime moov is hiden in a free box */
344 if( p_box->p_father &&
345 p_box->p_father->i_type == ATOM_root &&
346 p_box->i_type == ATOM_free )
348 const uint8_t *p_peek;
352 i_read = stream_Peek( p_stream, &p_peek, 44 );
354 p_peek += mp4_box_headersize( p_box ) + 4;
355 i_read -= mp4_box_headersize( p_box ) + 4;
359 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
361 if( i_fcc == ATOM_cmov || i_fcc == ATOM_mvhd )
363 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
365 p_box->i_type = ATOM_foov;
366 return MP4_ReadBoxContainer( p_stream, p_box );
373 if MP4_BOX_TYPE_ASCII()
374 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
376 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
381 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
383 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
385 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
386 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
388 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
390 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
391 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
394 if( unlikely( tab == NULL ) )
395 MP4_READBOX_EXIT( 0 );
397 for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
399 MP4_GETFOURCC( tab[i] );
404 p_box->data.p_ftyp->i_compatible_brands = NULL;
407 MP4_READBOX_EXIT( 1 );
410 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
412 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
416 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
419 char s_creation_time[128];
420 char s_modification_time[128];
421 char s_duration[128];
423 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
425 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
427 if( p_box->data.p_mvhd->i_version )
429 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
430 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
431 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
432 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
436 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
437 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
438 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
439 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
441 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
442 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
443 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
446 for( unsigned i = 0; i < 2; i++ )
448 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
450 for( unsigned i = 0; i < 9; i++ )
452 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
454 for( unsigned i = 0; i < 6; i++ )
456 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
459 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
463 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
464 MP4_ConvertDate2Str( s_modification_time,
465 p_box->data.p_mvhd->i_modification_time );
466 if( p_box->data.p_mvhd->i_rate )
468 MP4_ConvertDate2Str( s_duration,
469 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
475 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
478 (uint32_t)p_box->data.p_mvhd->i_timescale,
480 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
481 (float)p_box->data.p_mvhd->i_volume / 256 ,
482 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
484 MP4_READBOX_EXIT( 1 );
487 static int MP4_ReadBox_mfhd( stream_t *p_stream, MP4_Box_t *p_box )
489 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t );
491 MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
494 msg_Dbg( p_stream, "read box: \"mfhd\" sequence number %d",
495 p_box->data.p_mfhd->i_sequence_number );
497 MP4_READBOX_EXIT( 1 );
500 static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
502 MP4_READBOX_ENTER( MP4_Box_data_sidx_t );
504 MP4_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
505 MP4_GETVERSIONFLAGS( p_sidx_data );
507 MP4_GET4BYTES( p_sidx_data->i_reference_ID );
508 MP4_GET4BYTES( p_sidx_data->i_timescale );
510 if( p_sidx_data->i_version == 0 )
512 MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
513 MP4_GET4BYTES( p_sidx_data->i_first_offset );
517 MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
518 MP4_GET8BYTES( p_sidx_data->i_first_offset );
522 MP4_GET2BYTES( i_reserved );
523 MP4_GET2BYTES( p_sidx_data->i_reference_count );
524 uint16_t i_count = p_sidx_data->i_reference_count;
526 p_sidx_data->p_items = calloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
528 for( unsigned i = 0; i < i_count; i++ )
530 MP4_GET4BYTES( tmp );
531 p_sidx_data->p_items[i].b_reference_type = (bool)((tmp & 0x80000000)>>24);
532 p_sidx_data->p_items[i].i_referenced_size = tmp & 0x7fffffff;
533 MP4_GET4BYTES( p_sidx_data->p_items[i].i_subsegment_duration );
535 MP4_GET4BYTES( tmp );
536 p_sidx_data->p_items[i].b_starts_with_SAP = (bool)((tmp & 0x80000000)>>24);
537 p_sidx_data->p_items[i].i_SAP_type = (tmp & 0x70000000)>>24;
538 p_sidx_data->p_items[i].i_SAP_delta_time = tmp & 0xfffffff;
542 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
543 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
544 "first subsegmt duration %"PRIu32,
545 p_sidx_data->i_version,
546 p_sidx_data->i_flags,
547 p_sidx_data->i_reference_ID,
548 p_sidx_data->i_timescale,
549 p_sidx_data->i_reference_count,
550 p_sidx_data->p_items[0].i_subsegment_duration
554 MP4_READBOX_EXIT( 1 );
557 static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
559 FREENULL( p_box->data.p_sidx->p_items );
562 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
564 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t );
566 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
568 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
570 if( p_box->data.p_tfhd->i_version == 0 )
572 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
573 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
574 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
575 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
576 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
577 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
578 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
579 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
580 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
581 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
584 char psz_base[128] = "\0";
585 char psz_desc[128] = "\0";
586 char psz_dura[128] = "\0";
587 char psz_size[128] = "\0";
588 char psz_flag[128] = "\0";
589 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
590 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
591 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
592 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
593 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
594 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
595 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
596 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
597 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
598 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
600 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
601 p_box->data.p_tfhd->i_version,
602 p_box->data.p_tfhd->i_flags,
603 p_box->data.p_tfhd->i_track_ID,
604 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
608 MP4_READBOX_EXIT( 1 );
611 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
613 MP4_READBOX_ENTER( MP4_Box_data_trun_t );
615 MP4_GETVERSIONFLAGS( p_box->data.p_trun );
617 MP4_GET4BYTES( p_box->data.p_trun->i_sample_count );
619 if( p_box->data.p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
620 MP4_GET4BYTES( p_box->data.p_trun->i_data_offset );
621 if( p_box->data.p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
622 MP4_GET4BYTES( p_box->data.p_trun->i_first_sample_flags );
624 p_box->data.p_trun->p_samples =
625 calloc( p_box->data.p_trun->i_sample_count, sizeof(MP4_descriptor_trun_sample_t) );
626 if ( p_box->data.p_trun->p_samples == NULL )
627 MP4_READBOX_EXIT( 0 );
629 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
631 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
632 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
633 MP4_GET4BYTES( p_sample->i_duration );
634 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
635 MP4_GET4BYTES( p_sample->i_size );
636 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
637 MP4_GET4BYTES( p_sample->i_flags );
638 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
639 MP4_GET4BYTES( p_sample->i_composition_time_offset );
643 msg_Dbg( p_stream, "read box: \"trun\" version %d flags 0x%x sample count %d",
644 p_box->data.p_trun->i_version,
645 p_box->data.p_trun->i_flags,
646 p_box->data.p_trun->i_sample_count );
648 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
650 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
651 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4d flags 0x%x duration %d size %d composition time offset %d",
652 i, p_sample->i_flags, p_sample->i_duration,
653 p_sample->i_size, p_sample->i_composition_time_offset );
657 MP4_READBOX_EXIT( 1 );
660 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
662 FREENULL( p_box->data.p_trun->p_samples );
666 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
669 char s_creation_time[128];
670 char s_modification_time[128];
671 char s_duration[128];
673 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
675 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
677 if( p_box->data.p_tkhd->i_version )
679 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
680 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
681 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
682 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
683 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
687 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
688 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
689 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
690 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
691 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
694 for( unsigned i = 0; i < 2; i++ )
696 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
698 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
699 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
700 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
701 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
703 for( unsigned i = 0; i < 9; i++ )
705 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
707 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
708 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
710 double rotation; //angle in degrees to be rotated clockwise
711 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
712 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
714 int *matrix = p_box->data.p_tkhd->i_matrix;
716 translate[0] = conv_fx(matrix[6]);
717 translate[1] = conv_fx(matrix[7]);
719 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
720 conv_fx(matrix[3]) * conv_fx(matrix[3]));
721 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
722 conv_fx(matrix[4]) * conv_fx(matrix[4]));
724 rotation = atan2(conv_fx(matrix[1]) / scale[1], conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
730 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
731 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
732 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
734 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f rotation %f scaleX %f scaleY %f translateX %f translateY %f width %f height %f. "
735 "Matrix: %i %i %i %i %i %i %i %i %i",
739 p_box->data.p_tkhd->i_track_ID,
740 p_box->data.p_tkhd->i_layer,
741 (float)p_box->data.p_tkhd->i_volume / 256 ,
747 (float)p_box->data.p_tkhd->i_width / 65536,
748 (float)p_box->data.p_tkhd->i_height / 65536,
749 p_box->data.p_tkhd->i_matrix[0],
750 p_box->data.p_tkhd->i_matrix[1],
751 p_box->data.p_tkhd->i_matrix[2],
752 p_box->data.p_tkhd->i_matrix[3],
753 p_box->data.p_tkhd->i_matrix[4],
754 p_box->data.p_tkhd->i_matrix[5],
755 p_box->data.p_tkhd->i_matrix[6],
756 p_box->data.p_tkhd->i_matrix[7],
757 p_box->data.p_tkhd->i_matrix[8] );
759 MP4_READBOX_EXIT( 1 );
763 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
767 char s_creation_time[128];
768 char s_modification_time[128];
769 char s_duration[128];
771 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
773 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
775 if( p_box->data.p_mdhd->i_version )
777 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
778 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
779 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
780 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
784 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
785 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
786 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
787 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
789 p_box->data.p_mdhd->i_language_code = i_language = GetWBE( p_peek );
790 for( unsigned i = 0; i < 3; i++ )
792 p_box->data.p_mdhd->i_language[i] =
793 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
796 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
799 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
800 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
801 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
802 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
805 (uint32_t)p_box->data.p_mdhd->i_timescale,
807 p_box->data.p_mdhd->i_language[0],
808 p_box->data.p_mdhd->i_language[1],
809 p_box->data.p_mdhd->i_language[2] );
811 MP4_READBOX_EXIT( 1 );
815 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
819 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
821 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
823 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
824 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
826 MP4_GET4BYTES( i_reserved );
827 MP4_GET4BYTES( i_reserved );
828 MP4_GET4BYTES( i_reserved );
829 p_box->data.p_hdlr->psz_name = NULL;
833 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
834 if( unlikely( psz == NULL ) )
835 MP4_READBOX_EXIT( 0 );
837 /* Yes, I love .mp4 :( */
838 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
843 MP4_GET1BYTE( i_len );
844 i_copy = __MIN( i_read, i_len );
846 memcpy( psz, p_peek, i_copy );
847 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
851 memcpy( psz, p_peek, i_read );
852 p_box->data.p_hdlr->psz_name[i_read] = '\0';
857 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
858 (char*)&p_box->data.p_hdlr->i_handler_type,
859 p_box->data.p_hdlr->psz_name );
862 MP4_READBOX_EXIT( 1 );
865 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
867 FREENULL( p_box->data.p_hdlr->psz_name );
870 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
872 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
874 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
876 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
877 for( unsigned i = 0; i < 3; i++ )
879 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
883 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
884 p_box->data.p_vmhd->i_graphics_mode,
885 p_box->data.p_vmhd->i_opcolor[0],
886 p_box->data.p_vmhd->i_opcolor[1],
887 p_box->data.p_vmhd->i_opcolor[2] );
889 MP4_READBOX_EXIT( 1 );
892 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
894 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
896 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
900 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
902 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
905 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
906 (float)p_box->data.p_smhd->i_balance / 256 );
908 MP4_READBOX_EXIT( 1 );
912 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
914 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
916 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
918 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
919 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
921 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
922 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
924 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
927 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
928 p_box->data.p_hmhd->i_max_PDU_size,
929 p_box->data.p_hmhd->i_avg_PDU_size,
930 p_box->data.p_hmhd->i_max_bitrate,
931 p_box->data.p_hmhd->i_avg_bitrate );
933 MP4_READBOX_EXIT( 1 );
936 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
938 MP4_READBOX_ENTER( MP4_Box_data_url_t );
940 MP4_GETVERSIONFLAGS( p_box->data.p_url );
941 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
944 msg_Dbg( p_stream, "read box: \"url\" url: %s",
945 p_box->data.p_url->psz_location );
948 MP4_READBOX_EXIT( 1 );
952 static void MP4_FreeBox_url( MP4_Box_t *p_box )
954 FREENULL( p_box->data.p_url->psz_location );
957 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
959 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
961 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
963 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
964 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
967 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
968 p_box->data.p_urn->psz_name,
969 p_box->data.p_urn->psz_location );
971 MP4_READBOX_EXIT( 1 );
973 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
975 FREENULL( p_box->data.p_urn->psz_name );
976 FREENULL( p_box->data.p_urn->psz_location );
980 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
982 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
984 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
986 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
988 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
989 MP4_ReadBoxContainerRaw( p_stream, p_box );
992 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
993 p_box->data.p_dref->i_entry_count );
996 MP4_READBOX_EXIT( 1 );
999 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1001 FREENULL( p_box->data.p_stts->i_sample_count );
1002 FREENULL( p_box->data.p_stts->i_sample_delta );
1005 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1007 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1009 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1010 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1012 p_box->data.p_stts->i_sample_count =
1013 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1014 p_box->data.p_stts->i_sample_delta =
1015 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1016 if( p_box->data.p_stts->i_sample_count == NULL
1017 || p_box->data.p_stts->i_sample_delta == NULL )
1019 MP4_READBOX_EXIT( 0 );
1022 for( unsigned int i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1024 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1025 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1029 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1030 p_box->data.p_stts->i_entry_count );
1033 MP4_READBOX_EXIT( 1 );
1037 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1039 FREENULL( p_box->data.p_ctts->i_sample_count );
1040 FREENULL( p_box->data.p_ctts->i_sample_offset );
1043 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1045 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1047 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1049 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1051 p_box->data.p_ctts->i_sample_count =
1052 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1053 p_box->data.p_ctts->i_sample_offset =
1054 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1055 if( ( p_box->data.p_ctts->i_sample_count == NULL )
1056 || ( p_box->data.p_ctts->i_sample_offset == NULL ) )
1058 MP4_READBOX_EXIT( 0 );
1061 for( unsigned int i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1063 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1064 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1068 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
1069 p_box->data.p_ctts->i_entry_count );
1072 MP4_READBOX_EXIT( 1 );
1076 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1079 unsigned int i_len = 0;
1086 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1087 } while( i_b&0x80 );
1092 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1094 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
1095 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1097 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1098 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1102 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1104 #define es_descriptor p_box->data.p_esds->es_descriptor
1106 unsigned int i_flags;
1107 unsigned int i_type;
1109 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1111 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1114 MP4_GET1BYTE( i_type );
1115 if( i_type == 0x03 ) /* MP4ESDescrTag */
1117 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1120 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
1124 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1125 MP4_GET1BYTE( i_flags );
1126 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1127 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1128 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1130 es_descriptor.i_stream_priority = i_flags&0x1f;
1131 if( es_descriptor.b_stream_dependence )
1133 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1135 if( es_descriptor.b_url )
1139 MP4_GET1BYTE( i_len );
1140 es_descriptor.psz_URL = malloc( i_len + 1 );
1141 if( es_descriptor.psz_URL )
1143 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1144 es_descriptor.psz_URL[i_len] = 0;
1151 es_descriptor.psz_URL = NULL;
1153 if( es_descriptor.b_OCRstream )
1155 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1157 MP4_GET1BYTE( i_type ); /* get next type */
1160 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1162 es_descriptor.p_decConfigDescr = NULL;
1163 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1166 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1169 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
1173 es_descriptor.p_decConfigDescr =
1174 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1175 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1176 MP4_READBOX_EXIT( 0 );
1178 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1179 MP4_GET1BYTE( i_flags );
1180 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1181 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1182 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1183 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1184 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1185 MP4_GET1BYTE( i_type );
1186 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1188 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1189 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1190 MP4_READBOX_EXIT( 1 );
1193 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1196 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
1199 if( i_len > i_read )
1200 MP4_READBOX_EXIT( 0 );
1202 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1203 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1204 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1205 MP4_READBOX_EXIT( 0 );
1207 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1210 MP4_READBOX_EXIT( 1 );
1211 #undef es_descriptor
1214 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1216 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1219 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1223 for( i = 0; i < p_avcC->i_sps; i++ )
1224 FREENULL( p_avcC->sps[i] );
1228 for( i = 0; i < p_avcC->i_pps; i++ )
1229 FREENULL( p_avcC->pps[i] );
1231 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1232 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1233 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1234 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1237 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1239 MP4_Box_data_avcC_t *p_avcC;
1242 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1243 p_avcC = p_box->data.p_avcC;
1245 p_avcC->i_avcC = i_read;
1246 if( p_avcC->i_avcC > 0 )
1248 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1250 memcpy( p, p_peek, i_read );
1253 MP4_GET1BYTE( p_avcC->i_version );
1254 MP4_GET1BYTE( p_avcC->i_profile );
1255 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1256 MP4_GET1BYTE( p_avcC->i_level );
1257 MP4_GET1BYTE( p_avcC->i_reserved1 );
1258 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1259 p_avcC->i_reserved1 >>= 2;
1261 MP4_GET1BYTE( p_avcC->i_reserved2 );
1262 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1263 p_avcC->i_reserved2 >>= 5;
1265 if( p_avcC->i_sps > 0 )
1267 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1268 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1270 if( !p_avcC->i_sps_length || !p_avcC->sps )
1273 for( i = 0; i < p_avcC->i_sps; i++ )
1275 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1276 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1277 if( p_avcC->sps[i] )
1278 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1280 p_peek += p_avcC->i_sps_length[i];
1281 i_read -= p_avcC->i_sps_length[i];
1285 MP4_GET1BYTE( p_avcC->i_pps );
1286 if( p_avcC->i_pps > 0 )
1288 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1289 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1291 if( !p_avcC->i_pps_length || !p_avcC->pps )
1294 for( i = 0; i < p_avcC->i_pps; i++ )
1296 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1297 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1298 if( p_avcC->pps[i] )
1299 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1301 p_peek += p_avcC->i_pps_length[i];
1302 i_read -= p_avcC->i_pps_length[i];
1307 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1308 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1309 p_avcC->i_length_size,
1310 p_avcC->i_sps, p_avcC->i_pps );
1311 for( i = 0; i < p_avcC->i_sps; i++ )
1313 msg_Dbg( p_stream, " - sps[%d] length=%d",
1314 i, p_avcC->i_sps_length[i] );
1316 for( i = 0; i < p_avcC->i_pps; i++ )
1318 msg_Dbg( p_stream, " - pps[%d] length=%d",
1319 i, p_avcC->i_pps_length[i] );
1323 MP4_READBOX_EXIT( 1 );
1326 MP4_READBOX_EXIT( 0 );
1329 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
1331 MP4_Box_data_dac3_t *p_dac3;
1332 MP4_READBOX_ENTER( MP4_Box_data_dac3_t );
1334 p_dac3 = p_box->data.p_dac3;
1337 MP4_GET3BYTES( i_header );
1339 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
1340 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
1341 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
1342 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
1343 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
1344 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
1348 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
1349 p_dac3->i_fscod, p_dac3->i_bsid, p_dac3->i_bsmod, p_dac3->i_acmod, p_dac3->i_lfeon, p_dac3->i_bitrate_code );
1351 MP4_READBOX_EXIT( 1 );
1354 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
1356 MP4_Box_data_enda_t *p_enda;
1357 MP4_READBOX_ENTER( MP4_Box_data_enda_t );
1359 p_enda = p_box->data.p_enda;
1361 MP4_GET2BYTES( p_enda->i_little_endian );
1365 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
1367 MP4_READBOX_EXIT( 1 );
1370 static int MP4_ReadBox_gnre( stream_t *p_stream, MP4_Box_t *p_box )
1372 MP4_Box_data_gnre_t *p_gnre;
1373 MP4_READBOX_ENTER( MP4_Box_data_gnre_t );
1375 p_gnre = p_box->data.p_gnre;
1377 uint32_t i_data_len;
1378 uint32_t i_data_tag;
1380 MP4_GET4BYTES( i_data_len );
1381 MP4_GETFOURCC( i_data_tag );
1382 if( i_data_len < 10 || i_data_tag != ATOM_data )
1383 MP4_READBOX_EXIT( 0 );
1386 uint32_t i_reserved;
1387 MP4_GET4BYTES( i_version );
1388 MP4_GET4BYTES( i_reserved );
1389 MP4_GET2BYTES( p_gnre->i_genre );
1390 if( p_gnre->i_genre == 0 )
1391 MP4_READBOX_EXIT( 0 );
1393 msg_Dbg( p_stream, "read box: \"gnre\" genre=%i", p_gnre->i_genre );
1396 MP4_READBOX_EXIT( 1 );
1399 static int MP4_ReadBox_trkn( stream_t *p_stream, MP4_Box_t *p_box )
1401 MP4_Box_data_trkn_t *p_trkn;
1402 MP4_READBOX_ENTER( MP4_Box_data_trkn_t );
1404 p_trkn = p_box->data.p_trkn;
1406 uint32_t i_data_len;
1407 uint32_t i_data_tag;
1409 MP4_GET4BYTES( i_data_len );
1410 MP4_GETFOURCC( i_data_tag );
1411 if( i_data_len < 12 || i_data_tag != ATOM_data )
1412 MP4_READBOX_EXIT( 0 );
1415 uint32_t i_reserved;
1416 MP4_GET4BYTES( i_version );
1417 MP4_GET4BYTES( i_reserved );
1418 MP4_GET4BYTES( p_trkn->i_track_number );
1420 msg_Dbg( p_stream, "read box: \"trkn\" number=%i", p_trkn->i_track_number );
1422 if( i_data_len > 15 )
1424 MP4_GET4BYTES( p_trkn->i_track_total );
1426 msg_Dbg( p_stream, "read box: \"trkn\" total=%i", p_trkn->i_track_total );
1430 MP4_READBOX_EXIT( 1 );
1434 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1436 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1437 p_box->data.p_sample_soun->p_qt_description = NULL;
1439 /* Sanity check needed because the "wave" box does also contain an
1440 * "mp4a" box that we don't understand. */
1444 MP4_READBOX_EXIT( 1 );
1447 for( unsigned i = 0; i < 6 ; i++ )
1449 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1452 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1455 * XXX hack -> produce a copy of the nearly complete chunk
1457 p_box->data.p_sample_soun->i_qt_description = 0;
1458 p_box->data.p_sample_soun->p_qt_description = NULL;
1461 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1462 if( p_box->data.p_sample_soun->p_qt_description )
1464 p_box->data.p_sample_soun->i_qt_description = i_read;
1465 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1469 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1470 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1471 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1473 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1474 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1475 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1476 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1477 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1478 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1480 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1482 /* SoundDescriptionV1 */
1483 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1484 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1485 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1486 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1490 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1491 "bytes/frame=%d bytes/sample=%d",
1492 p_box->data.p_sample_soun->i_sample_per_packet,
1493 p_box->data.p_sample_soun->i_bytes_per_packet,
1494 p_box->data.p_sample_soun->i_bytes_per_frame,
1495 p_box->data.p_sample_soun->i_bytes_per_sample );
1497 stream_Seek( p_stream, p_box->i_pos +
1498 mp4_box_headersize( p_box ) + 44 );
1500 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1502 /* SoundDescriptionV2 */
1503 double f_sample_rate;
1507 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1508 MP4_GET8BYTES( dummy );
1509 memcpy( &f_sample_rate, &dummy, 8 );
1511 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1512 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1513 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1515 MP4_GET4BYTES( i_channel );
1516 p_box->data.p_sample_soun->i_channelcount = i_channel;
1519 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1521 stream_Seek( p_stream, p_box->i_pos +
1522 mp4_box_headersize( p_box ) + 28 + 36 );
1526 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1527 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1528 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1529 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1532 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1535 stream_Seek( p_stream, p_box->i_pos +
1536 mp4_box_headersize( p_box ) + 28 );
1539 if( p_box->i_type == ATOM_drms )
1541 char *home = config_GetUserDir( VLC_HOME_DIR );
1544 p_box->data.p_sample_soun->p_drms = drms_alloc( home );
1545 if( p_box->data.p_sample_soun->p_drms == NULL )
1546 msg_Err( p_stream, "drms_alloc() failed" );
1550 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
1552 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1553 p_box->data.p_sample_soun->i_channelcount = 1;
1556 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1559 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1560 "sample size %d sample rate %f",
1561 p_box->data.p_sample_soun->i_channelcount,
1562 p_box->data.p_sample_soun->i_samplesize,
1563 (float)p_box->data.p_sample_soun->i_sampleratehi +
1564 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1567 MP4_READBOX_EXIT( 1 );
1571 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1573 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1575 if( p_box->i_type == ATOM_drms )
1577 if( p_box->data.p_sample_soun->p_drms )
1579 drms_free( p_box->data.p_sample_soun->p_drms );
1585 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1587 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1589 for( unsigned i = 0; i < 6 ; i++ )
1591 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1594 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1597 * XXX hack -> produce a copy of the nearly complete chunk
1601 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1602 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
1603 MP4_READBOX_EXIT( 0 );
1604 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1605 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1610 p_box->data.p_sample_vide->i_qt_image_description = 0;
1611 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1614 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1615 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1616 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1618 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1619 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1621 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1622 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1624 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1625 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1627 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1628 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1630 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1631 p_peek += 32; i_read -= 32;
1633 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1634 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1636 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 78);
1638 if( p_box->i_type == ATOM_drmi )
1640 char *home = config_GetUserDir( VLC_HOME_DIR );
1643 p_box->data.p_sample_vide->p_drms = drms_alloc( home );
1644 if( p_box->data.p_sample_vide->p_drms == NULL )
1645 msg_Err( p_stream, "drms_alloc() failed" );
1649 MP4_ReadBoxContainerRaw( p_stream, p_box );
1652 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1653 p_box->data.p_sample_vide->i_width,
1654 p_box->data.p_sample_vide->i_height,
1655 p_box->data.p_sample_vide->i_depth );
1658 MP4_READBOX_EXIT( 1 );
1662 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1664 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1666 if( p_box->i_type == ATOM_drmi )
1668 if( p_box->data.p_sample_vide->p_drms )
1670 drms_free( p_box->data.p_sample_vide->p_drms );
1675 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1677 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1678 MP4_ReadBoxContainerRaw( p_stream, p_box );
1682 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1686 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1688 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1689 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1691 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1693 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1698 /* FIXME search right signification */
1700 p_box->data.p_sample_text->i_justification_horizontal = 1;
1701 p_box->data.p_sample_text->i_justification_vertical = 1;
1703 case -1: // Flush Right
1704 p_box->data.p_sample_text->i_justification_horizontal = -1;
1705 p_box->data.p_sample_text->i_justification_vertical = -1;
1707 case -2: // Flush Left
1708 p_box->data.p_sample_text->i_justification_horizontal = 0;
1709 p_box->data.p_sample_text->i_justification_vertical = 0;
1711 case 0: // Flush Default
1713 p_box->data.p_sample_text->i_justification_horizontal = 1;
1714 p_box->data.p_sample_text->i_justification_vertical = -1;
1718 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1719 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1720 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1721 p_box->data.p_sample_text->i_background_color[3] = 0;
1723 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1724 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1725 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1726 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1729 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1731 MP4_READBOX_EXIT( 1 );
1734 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1736 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1738 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1739 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1741 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1743 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1745 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1746 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1748 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1749 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1750 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1751 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1753 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1754 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1755 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1756 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1759 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
1761 MP4_READBOX_EXIT( 1 );
1766 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1767 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1769 FREENULL( p_box->data.p_sample_text->psz_text_name );
1774 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1777 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1779 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1781 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1783 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1785 MP4_ReadBoxContainerRaw( p_stream, p_box );
1788 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1789 p_box->data.p_stsd->i_entry_count );
1792 MP4_READBOX_EXIT( 1 );
1796 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1798 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1800 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1802 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1803 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1805 if( p_box->data.p_stsz->i_sample_size == 0 )
1807 p_box->data.p_stsz->i_entry_size =
1808 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1809 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
1810 MP4_READBOX_EXIT( 0 );
1812 for( unsigned int i = 0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1814 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1818 p_box->data.p_stsz->i_entry_size = NULL;
1821 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1822 p_box->data.p_stsz->i_sample_size,
1823 p_box->data.p_stsz->i_sample_count );
1826 MP4_READBOX_EXIT( 1 );
1829 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1831 FREENULL( p_box->data.p_stsz->i_entry_size );
1834 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1836 FREENULL( p_box->data.p_stsc->i_first_chunk );
1837 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1838 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1841 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1843 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1845 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1847 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1849 p_box->data.p_stsc->i_first_chunk =
1850 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1851 p_box->data.p_stsc->i_samples_per_chunk =
1852 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1853 p_box->data.p_stsc->i_sample_description_index =
1854 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1855 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
1856 || p_box->data.p_stsc->i_samples_per_chunk == NULL
1857 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
1859 MP4_READBOX_EXIT( 0 );
1862 for( unsigned int i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1864 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1865 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1866 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1870 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1871 p_box->data.p_stsc->i_entry_count );
1874 MP4_READBOX_EXIT( 1 );
1877 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1879 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1881 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1883 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1885 p_box->data.p_co64->i_chunk_offset =
1886 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
1887 if( p_box->data.p_co64->i_chunk_offset == NULL )
1888 MP4_READBOX_EXIT( 0 );
1890 for( unsigned int i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1892 if( p_box->i_type == ATOM_stco )
1898 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1906 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1911 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1912 p_box->data.p_co64->i_entry_count );
1915 MP4_READBOX_EXIT( 1 );
1918 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1920 FREENULL( p_box->data.p_co64->i_chunk_offset );
1923 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1925 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1927 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1929 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1931 p_box->data.p_stss->i_sample_number =
1932 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
1933 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
1934 MP4_READBOX_EXIT( 0 );
1936 for( unsigned int i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1939 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1940 /* XXX in libmp4 sample begin at 0 */
1941 p_box->data.p_stss->i_sample_number[i]--;
1945 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1946 p_box->data.p_stss->i_entry_count );
1949 MP4_READBOX_EXIT( 1 );
1952 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1954 FREENULL( p_box->data.p_stss->i_sample_number );
1957 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1959 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1960 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1963 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1965 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1967 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1970 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1972 p_box->data.p_stsh->i_shadowed_sample_number =
1973 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1974 p_box->data.p_stsh->i_sync_sample_number =
1975 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1977 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
1978 || p_box->data.p_stsh->i_sync_sample_number == NULL )
1980 MP4_READBOX_EXIT( 0 );
1983 for( unsigned i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1985 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1986 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1990 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1991 p_box->data.p_stsh->i_entry_count );
1993 MP4_READBOX_EXIT( 1 );
1997 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1999 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
2001 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
2003 p_box->data.p_stdp->i_priority =
2004 calloc( i_read / 2, sizeof(uint16_t) );
2006 if( unlikely( !p_box->data.p_stdp->i_priority ) )
2007 MP4_READBOX_EXIT( 0 );
2009 for( unsigned i = 0; i < i_read / 2 ; i++ )
2011 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
2015 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2019 MP4_READBOX_EXIT( 1 );
2022 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
2024 FREENULL( p_box->data.p_stdp->i_priority );
2027 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
2029 FREENULL( p_box->data.p_padb->i_reserved1 );
2030 FREENULL( p_box->data.p_padb->i_pad2 );
2031 FREENULL( p_box->data.p_padb->i_reserved2 );
2032 FREENULL( p_box->data.p_padb->i_pad1 );
2035 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
2039 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
2041 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
2043 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
2044 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
2046 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
2047 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
2048 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
2049 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
2050 if( p_box->data.p_padb->i_reserved1 == NULL
2051 || p_box->data.p_padb->i_pad2 == NULL
2052 || p_box->data.p_padb->i_reserved2 == NULL
2053 || p_box->data.p_padb->i_pad1 == NULL )
2055 MP4_READBOX_EXIT( 0 );
2058 for( unsigned int i = 0; i < i_read / 2 ; i++ )
2062 MP4_READBOX_EXIT( 0 );
2064 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
2065 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
2066 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
2067 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
2069 p_peek += 1; i_read -= 1;
2073 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2077 MP4_READBOX_EXIT( 1 );
2080 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
2082 FREENULL( p_box->data.p_elst->i_segment_duration );
2083 FREENULL( p_box->data.p_elst->i_media_time );
2084 FREENULL( p_box->data.p_elst->i_media_rate_integer );
2085 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
2088 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
2090 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
2092 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
2095 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
2097 p_box->data.p_elst->i_segment_duration =
2098 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2099 p_box->data.p_elst->i_media_time =
2100 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2101 p_box->data.p_elst->i_media_rate_integer =
2102 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2103 p_box->data.p_elst->i_media_rate_fraction =
2104 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2105 if( p_box->data.p_elst->i_segment_duration == NULL
2106 || p_box->data.p_elst->i_media_time == NULL
2107 || p_box->data.p_elst->i_media_rate_integer == NULL
2108 || p_box->data.p_elst->i_media_rate_fraction == NULL )
2110 MP4_READBOX_EXIT( 0 );
2114 for( unsigned i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
2116 if( p_box->data.p_elst->i_version == 1 )
2119 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
2121 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
2126 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
2128 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
2129 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
2132 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
2133 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
2137 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
2138 (unsigned long)p_box->data.p_elst->i_entry_count );
2140 MP4_READBOX_EXIT( 1 );
2143 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
2145 unsigned int i_language;
2147 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
2149 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
2151 i_language = GetWBE( p_peek );
2152 for( unsigned i = 0; i < 3; i++ )
2154 p_box->data.p_cprt->i_language[i] =
2155 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
2157 p_peek += 2; i_read -= 2;
2158 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
2161 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
2162 p_box->data.p_cprt->i_language[0],
2163 p_box->data.p_cprt->i_language[1],
2164 p_box->data.p_cprt->i_language[2],
2165 p_box->data.p_cprt->psz_notice );
2168 MP4_READBOX_EXIT( 1 );
2171 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
2173 FREENULL( p_box->data.p_cprt->psz_notice );
2177 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
2179 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
2181 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
2184 "read box: \"dcom\" compression algorithm : %4.4s",
2185 (char*)&p_box->data.p_dcom->i_algorithm );
2187 MP4_READBOX_EXIT( 1 );
2190 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
2192 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
2194 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
2196 p_box->data.p_cmvd->i_compressed_size = i_read;
2198 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
2199 MP4_READBOX_EXIT( 0 );
2201 /* now copy compressed data */
2202 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
2204 p_box->data.p_cmvd->b_compressed = 1;
2207 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
2208 p_box->data.p_cmvd->i_compressed_size );
2211 MP4_READBOX_EXIT( 1 );
2213 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
2215 FREENULL( p_box->data.p_cmvd->p_data );
2219 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
2225 stream_t *p_stream_memory;
2231 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
2234 if( !p_box->p_father ||
2235 ( p_box->p_father->i_type != ATOM_moov &&
2236 p_box->p_father->i_type != ATOM_foov ) )
2238 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
2242 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
2247 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
2248 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
2249 p_cmvd->data.p_cmvd->p_data == NULL )
2251 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
2255 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
2257 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
2258 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
2263 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
2267 /* decompress data */
2268 /* allocate a new buffer */
2269 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
2271 /* init default structures */
2272 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
2273 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
2274 z_data.next_out = p_data;
2275 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
2276 z_data.zalloc = (alloc_func)Z_NULL;
2277 z_data.zfree = (free_func)Z_NULL;
2278 z_data.opaque = (voidpf)Z_NULL;
2281 if( inflateInit( &z_data ) != Z_OK )
2283 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2289 i_result = inflate( &z_data, Z_NO_FLUSH );
2290 if( i_result != Z_OK && i_result != Z_STREAM_END )
2292 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2297 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
2299 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
2302 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
2305 if( inflateEnd( &z_data ) != Z_OK )
2307 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2311 free( p_cmvd->data.p_cmvd->p_data );
2312 p_cmvd->data.p_cmvd->p_data = p_data;
2313 p_cmvd->data.p_cmvd->b_compressed = 0;
2315 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
2317 /* now create a memory stream */
2319 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2320 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2322 /* and read uncompressd moov */
2323 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2325 stream_Delete( p_stream_memory );
2328 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2331 return p_box->data.p_cmov->p_moov ? 1 : 0;
2332 #endif /* HAVE_ZLIB_H */
2335 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2338 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2340 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2341 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2342 MP4_GET4BYTES( i_len );
2347 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2348 if( p_box->data.p_rdrf->psz_ref == NULL )
2349 MP4_READBOX_EXIT( 0 );
2352 for( unsigned i = 0; i < i_len; i++ )
2354 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2356 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2360 p_box->data.p_rdrf->psz_ref = NULL;
2365 "read box: \"rdrf\" type:%4.4s ref %s",
2366 (char*)&p_box->data.p_rdrf->i_ref_type,
2367 p_box->data.p_rdrf->psz_ref );
2369 MP4_READBOX_EXIT( 1 );
2372 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2374 FREENULL( p_box->data.p_rdrf->psz_ref );
2378 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2380 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2382 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2384 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2388 "read box: \"rmdr\" rate:%d",
2389 p_box->data.p_rmdr->i_rate );
2391 MP4_READBOX_EXIT( 1 );
2394 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2396 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2398 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2402 "read box: \"rmqu\" quality:%d",
2403 p_box->data.p_rmqu->i_quality );
2405 MP4_READBOX_EXIT( 1 );
2408 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2410 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2411 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2413 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2414 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2415 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2416 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2420 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2421 (char*)&p_box->data.p_rmvc->i_gestaltType,
2422 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2423 p_box->data.p_rmvc->i_checkType );
2426 MP4_READBOX_EXIT( 1 );
2429 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
2431 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2433 MP4_GETFOURCC( p_box->data.p_frma->i_type );
2436 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
2437 (char *)&p_box->data.p_frma->i_type );
2440 MP4_READBOX_EXIT( 1 );
2443 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
2445 MP4_READBOX_ENTER( MP4_Box_data_skcr_t );
2447 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
2448 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
2449 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
2452 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
2453 p_box->data.p_skcr->i_init,
2454 p_box->data.p_skcr->i_encr,
2455 p_box->data.p_skcr->i_decr );
2458 MP4_READBOX_EXIT( 1 );
2461 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2463 MP4_Box_t *p_drms_box = p_box;
2464 void *p_drms = NULL;
2466 MP4_READBOX_ENTER( uint8_t );
2470 p_drms_box = p_drms_box->p_father;
2471 } while( p_drms_box && p_drms_box->i_type != ATOM_drms
2472 && p_drms_box->i_type != ATOM_drmi );
2474 if( p_drms_box && p_drms_box->i_type == ATOM_drms )
2475 p_drms = p_drms_box->data.p_sample_soun->p_drms;
2476 else if( p_drms_box && p_drms_box->i_type == ATOM_drmi )
2477 p_drms = p_drms_box->data.p_sample_vide->p_drms;
2479 if( p_drms_box && p_drms )
2481 int i_ret = drms_init( p_drms, p_box->i_type, p_peek, i_read );
2484 const char *psz_error;
2488 case -1: psz_error = "unimplemented"; break;
2489 case -2: psz_error = "invalid argument"; break;
2490 case -3: psz_error = "could not get system key"; break;
2491 case -4: psz_error = "could not get SCI data"; break;
2492 case -5: psz_error = "no user key found in SCI data"; break;
2493 case -6: psz_error = "invalid user key"; break;
2494 default: psz_error = "unknown error"; break;
2496 if MP4_BOX_TYPE_ASCII()
2497 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2498 (char *)&p_box->i_type, psz_error );
2500 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2501 (char *)&p_box->i_type+1, psz_error );
2503 drms_free( p_drms );
2505 if( p_drms_box->i_type == ATOM_drms )
2506 p_drms_box->data.p_sample_soun->p_drms = NULL;
2507 else if( p_drms_box->i_type == ATOM_drmi )
2508 p_drms_box->data.p_sample_vide->p_drms = NULL;
2512 MP4_READBOX_EXIT( 1 );
2515 static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
2517 MP4_READBOX_ENTER( MP4_Box_data_name_t );
2519 p_box->data.p_name->psz_text = malloc( p_box->i_size + 1 - 8 ); /* +\0, -name, -size */
2520 if( p_box->data.p_name->psz_text == NULL )
2521 MP4_READBOX_EXIT( 0 );
2523 memcpy( p_box->data.p_name->psz_text, p_peek, p_box->i_size - 8 );
2524 p_box->data.p_name->psz_text[p_box->i_size - 8] = '\0';
2527 msg_Dbg( p_stream, "read box: \"name\" text=`%s'",
2528 p_box->data.p_name->psz_text );
2530 MP4_READBOX_EXIT( 1 );
2533 static void MP4_FreeBox_name( MP4_Box_t *p_box )
2535 FREENULL( p_box->data.p_name->psz_text );
2538 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2542 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2544 p_box->data.p_0xa9xxx->psz_text = NULL;
2546 MP4_GET2BYTES( i16 );
2552 MP4_GET2BYTES( i16 );
2553 if( i_length >= i_read ) i_length = i_read + 1;
2555 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2556 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2557 MP4_READBOX_EXIT( 0 );
2560 memcpy( p_box->data.p_0xa9xxx->psz_text,
2562 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2566 "read box: \"c%3.3s\" text=`%s'",
2567 ((char*)&p_box->i_type + 1),
2568 p_box->data.p_0xa9xxx->psz_text );
2573 /* try iTune/Quicktime format, rewind to start */
2574 p_peek -= 2; i_read += 2;
2575 // we are expecting a 'data' box
2576 uint32_t i_data_len;
2577 uint32_t i_data_tag;
2579 MP4_GET4BYTES( i_data_len );
2580 if( i_data_len > i_read ) i_data_len = i_read;
2581 MP4_GETFOURCC( i_data_tag );
2582 if( (i_data_len > 0) && (i_data_tag == ATOM_data) )
2584 /* data box contains a version/flags field */
2586 uint32_t i_reserved;
2587 MP4_GET4BYTES( i_version );
2588 MP4_GET4BYTES( i_reserved );
2589 // version should be 0, flags should be 1 for text, 0 for data
2590 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2592 // the rest is the text
2594 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2595 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2596 MP4_READBOX_EXIT( 0 );
2598 memcpy( p_box->data.p_0xa9xxx->psz_text,
2599 p_peek, i_data_len );
2600 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2603 "read box: \"c%3.3s\" text=`%s'",
2604 ((char*)&p_box->i_type+1),
2605 p_box->data.p_0xa9xxx->psz_text );
2610 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2615 MP4_READBOX_EXIT( 1 );
2617 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2619 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2622 /* Chapter support */
2623 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2625 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2626 for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
2627 free( p_chpl->chapter[i].psz_name );
2630 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2632 MP4_Box_data_chpl_t *p_chpl;
2635 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2637 p_chpl = p_box->data.p_chpl;
2639 MP4_GETVERSIONFLAGS( p_chpl );
2641 MP4_GET4BYTES( i_dummy );
2643 MP4_GET1BYTE( p_chpl->i_chapter );
2645 for( i = 0; i < p_chpl->i_chapter; i++ )
2650 MP4_GET8BYTES( i_start );
2651 MP4_GET1BYTE( i_len );
2653 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2654 if( !p_chpl->chapter[i].psz_name )
2655 MP4_READBOX_EXIT( 0 );
2657 i_copy = __MIN( i_len, i_read );
2659 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2660 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2661 p_chpl->chapter[i].i_start = i_start;
2666 /* Bubble sort by increasing start date */
2669 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2671 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2673 char *psz = p_chpl->chapter[i+1].psz_name;
2674 int64_t i64 = p_chpl->chapter[i+1].i_start;
2676 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2677 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2679 p_chpl->chapter[i].psz_name = psz;
2680 p_chpl->chapter[i].i_start = i64;
2689 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2690 p_chpl->i_chapter );
2692 MP4_READBOX_EXIT( 1 );
2695 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2697 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2699 p_box->data.p_tref_generic->i_track_ID = NULL;
2700 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2701 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2702 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
2703 if( p_box->data.p_tref_generic->i_track_ID == NULL )
2704 MP4_READBOX_EXIT( 0 );
2706 for( unsigned i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2708 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2711 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2712 p_box->data.p_tref_generic->i_entry_count );
2715 MP4_READBOX_EXIT( 1 );
2717 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2719 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2722 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2724 uint8_t meta_data[8];
2725 int i_actually_read;
2727 // skip over box header
2728 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2729 if( i_actually_read < 8 )
2732 /* meta content starts with a 4 byte version/flags value (should be 0) */
2733 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2734 if( i_actually_read < 4 )
2737 /* then it behaves like a container */
2738 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2741 static int MP4_ReadBox_iods( stream_t *p_stream, MP4_Box_t *p_box )
2745 MP4_READBOX_ENTER( MP4_Box_data_iods_t );
2746 MP4_GETVERSIONFLAGS( p_box->data.p_iods );
2748 MP4_GET1BYTE( i_unused ); /* tag */
2749 MP4_GET1BYTE( i_unused ); /* length */
2751 MP4_GET2BYTES( p_box->data.p_iods->i_object_descriptor ); /* 10bits, 6 other bits
2752 are used for other flags */
2753 MP4_GET1BYTE( p_box->data.p_iods->i_OD_profile_level );
2754 MP4_GET1BYTE( p_box->data.p_iods->i_scene_profile_level );
2755 MP4_GET1BYTE( p_box->data.p_iods->i_audio_profile_level );
2756 MP4_GET1BYTE( p_box->data.p_iods->i_visual_profile_level );
2757 MP4_GET1BYTE( p_box->data.p_iods->i_graphics_profile_level );
2761 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
2762 "visual: %i, graphics: %i",
2763 p_box->data.p_iods->i_object_descriptor >> 6,
2764 p_box->data.p_iods->i_OD_profile_level,
2765 p_box->data.p_iods->i_scene_profile_level,
2766 p_box->data.p_iods->i_audio_profile_level,
2767 p_box->data.p_iods->i_visual_profile_level,
2768 p_box->data.p_iods->i_graphics_profile_level );
2771 MP4_READBOX_EXIT( 1 );
2774 static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
2776 MP4_READBOX_ENTER( MP4_Box_data_pasp_t );
2778 MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
2779 MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
2783 "read box: \"paps\" %dx%d",
2784 p_box->data.p_pasp->i_horizontal_spacing,
2785 p_box->data.p_pasp->i_vertical_spacing);
2788 MP4_READBOX_EXIT( 1 );
2791 static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
2793 MP4_READBOX_ENTER( MP4_Box_data_mehd_t );
2795 MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
2796 if( p_box->data.p_mehd->i_version == 1 )
2797 MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
2798 else /* version == 0 */
2799 MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
2803 "read box: \"mehd\" frag dur. %"PRIu64"",
2804 p_box->data.p_mehd->i_fragment_duration );
2807 MP4_READBOX_EXIT( 1 );
2810 static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
2812 MP4_READBOX_ENTER( MP4_Box_data_trex_t );
2813 MP4_GETVERSIONFLAGS( p_box->data.p_trex );
2815 MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
2816 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
2817 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
2818 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
2819 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
2823 "read box: \"trex\" trackID: %"PRIu32"",
2824 p_box->data.p_trex->i_track_ID );
2827 MP4_READBOX_EXIT( 1 );
2830 static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
2832 uint32_t i_sample_count;
2833 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t );
2834 MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
2835 MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
2836 i_sample_count = i_read;
2838 p_sdtp->p_sample_table = calloc( i_sample_count, 1 );
2840 if( !p_sdtp->p_sample_table )
2841 MP4_READBOX_EXIT( 0 );
2843 for( uint32_t i = 0; i < i_sample_count; i++ )
2844 MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
2847 msg_Info( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
2849 "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
2850 p_sdtp->p_sample_table[0],
2851 p_sdtp->p_sample_table[1],
2852 p_sdtp->p_sample_table[2],
2853 p_sdtp->p_sample_table[3] );
2856 MP4_READBOX_EXIT( 1 );
2859 static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
2861 FREENULL( p_box->data.p_sdtp->p_sample_table );
2864 static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
2866 MP4_READBOX_ENTER( MP4_Box_data_mfro_t );
2868 MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
2869 MP4_GET4BYTES( p_box->data.p_mfro->i_size );
2873 "read box: \"mfro\" size: %"PRIu32"",
2874 p_box->data.p_mfro->i_size);
2877 MP4_READBOX_EXIT( 1 );
2880 static int MP4_ReadBox_tfra( stream_t *p_stream, MP4_Box_t *p_box )
2882 uint32_t i_number_of_entries;
2883 MP4_READBOX_ENTER( MP4_Box_data_tfra_t );
2884 MP4_Box_data_tfra_t *p_tfra = p_box->data.p_tfra;
2885 MP4_GETVERSIONFLAGS( p_box->data.p_tfra );
2887 MP4_GET4BYTES( p_tfra->i_track_ID );
2888 uint32_t i_lengths = 0;
2889 MP4_GET4BYTES( i_lengths );
2890 MP4_GET4BYTES( p_tfra->i_number_of_entries );
2891 i_number_of_entries = p_tfra->i_number_of_entries;
2892 p_tfra->i_length_size_of_traf_num = i_lengths >> 4;
2893 p_tfra->i_length_size_of_trun_num = ( i_lengths & 0x0c ) >> 2;
2894 p_tfra->i_length_size_of_sample_num = i_lengths & 0x03;
2896 size_t size = 4 + 4*p_tfra->i_version; /* size in {4, 8} */
2897 p_tfra->p_time = calloc( i_number_of_entries, size );
2898 p_tfra->p_moof_offset = calloc( i_number_of_entries, size );
2900 size = 1 + p_tfra->i_length_size_of_traf_num; /* size in [|1, 4|] */
2901 p_tfra->p_traf_number = calloc( i_number_of_entries, size );
2902 size = 1 + p_tfra->i_length_size_of_trun_num;
2903 p_tfra->p_trun_number = calloc( i_number_of_entries, size );
2904 size = 1 + p_tfra->i_length_size_of_sample_num;
2905 p_tfra->p_sample_number = calloc( i_number_of_entries, size );
2907 if( !p_tfra->p_time || !p_tfra->p_moof_offset || !p_tfra->p_traf_number
2908 || !p_tfra->p_trun_number || !p_tfra->p_sample_number )
2911 for( uint32_t i = 0; i < i_number_of_entries; i++ )
2913 if( p_tfra->i_version == 1 )
2915 MP4_GET8BYTES( p_tfra->p_time[i*2] );
2916 MP4_GET8BYTES( p_tfra->p_moof_offset[i*2] );
2920 MP4_GET4BYTES( p_tfra->p_time[i] );
2921 MP4_GET4BYTES( p_tfra->p_moof_offset[i] );
2923 switch (p_tfra->i_length_size_of_traf_num)
2926 MP4_GET1BYTE( p_tfra->p_traf_number[i] );
2929 MP4_GET2BYTES( p_tfra->p_traf_number[i*2] );
2932 MP4_GET3BYTES( p_tfra->p_traf_number[i*3] );
2935 MP4_GET4BYTES( p_tfra->p_traf_number[i*4] );
2941 switch (p_tfra->i_length_size_of_trun_num)
2944 MP4_GET1BYTE( p_tfra->p_trun_number[i] );
2947 MP4_GET2BYTES( p_tfra->p_trun_number[i*2] );
2950 MP4_GET3BYTES( p_tfra->p_trun_number[i*3] );
2953 MP4_GET4BYTES( p_tfra->p_trun_number[i*4] );
2959 switch (p_tfra->i_length_size_of_sample_num)
2962 MP4_GET1BYTE( p_tfra->p_sample_number[i] );
2965 MP4_GET2BYTES( p_tfra->p_sample_number[i*2] );
2968 MP4_GET3BYTES( p_tfra->p_sample_number[i*3] );
2971 MP4_GET4BYTES( p_tfra->p_sample_number[i*4] );
2979 if( p_tfra->i_version == 0 )
2981 msg_Dbg( p_stream, "time[0]: %"PRIu32", moof_offset[0]: %"PRIx32"",
2982 p_tfra->p_time[0], p_tfra->p_moof_offset[0] );
2984 msg_Dbg( p_stream, "time[1]: %"PRIu32", moof_offset[1]: %"PRIx32"",
2985 p_tfra->p_time[1], p_tfra->p_moof_offset[1] );
2989 msg_Dbg( p_stream, "time[0]: %"PRIu64", moof_offset[0]: %"PRIx64"",
2990 ((uint64_t *)(p_tfra->p_time))[0],
2991 ((uint64_t *)(p_tfra->p_moof_offset))[0] );
2993 msg_Dbg( p_stream, "time[1]: %"PRIu64", moof_offset[1]: %"PRIx64"",
2994 ((uint64_t *)(p_tfra->p_time))[1],
2995 ((uint64_t *)(p_tfra->p_moof_offset))[1] );
2998 msg_Info( p_stream, "number_of_entries is %"PRIu32"", i_number_of_entries );
2999 msg_Info( p_stream, "track ID is: %"PRIu32"", p_tfra->i_track_ID );
3002 MP4_READBOX_EXIT( 1 );
3004 MP4_READBOX_EXIT( 0 );
3007 static void MP4_FreeBox_tfra( MP4_Box_t *p_box )
3009 FREENULL( p_box->data.p_tfra->p_time );
3010 FREENULL( p_box->data.p_tfra->p_moof_offset );
3011 FREENULL( p_box->data.p_tfra->p_traf_number );
3012 FREENULL( p_box->data.p_tfra->p_trun_number );
3013 FREENULL( p_box->data.p_tfra->p_sample_number );
3018 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
3020 if( !p_box->p_father )
3024 if( p_box->p_father->i_type == ATOM_stsd )
3026 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
3029 if( p_mdia == NULL || p_mdia->i_type != ATOM_mdia ||
3030 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
3034 switch( p_hdlr->data.p_hdlr->i_handler_type )
3037 return MP4_ReadBox_sample_soun( p_stream, p_box );
3039 return MP4_ReadBox_sample_vide( p_stream, p_box );
3041 return MP4_ReadBox_sample_text( p_stream, p_box );
3044 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
3047 "unknown handler type in stsd (incompletely loaded)" );
3053 if MP4_BOX_TYPE_ASCII()
3055 "unknown box type %4.4s (incompletely loaded)",
3056 (char*)&p_box->i_type );
3059 "unknown box type c%3.3s (incompletely loaded)",
3060 (char*)&p_box->i_type+1 );
3065 /**** ------------------------------------------------------------------- ****/
3066 /**** "Higher level" Functions ****/
3067 /**** ------------------------------------------------------------------- ****/
3072 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
3073 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
3074 } MP4_Box_Function [] =
3077 { ATOM_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3078 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3079 { ATOM_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3080 { ATOM_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3081 { ATOM_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3082 { ATOM_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3083 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3084 { ATOM_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3085 { ATOM_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3086 { ATOM_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3087 { ATOM_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3088 { ATOM_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3089 { ATOM_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3090 { ATOM_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3091 { ATOM_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3092 { ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3093 { ATOM_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3094 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3097 { ATOM_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
3098 { ATOM_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
3099 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
3100 { ATOM_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
3101 { ATOM_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
3102 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
3103 { ATOM_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
3104 { ATOM_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
3105 { ATOM_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
3106 { ATOM_url, MP4_ReadBox_url, MP4_FreeBox_url },
3107 { ATOM_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
3108 { ATOM_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
3109 { ATOM_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
3110 { ATOM_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
3111 { ATOM_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
3112 { ATOM_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
3113 { ATOM_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
3114 { ATOM_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
3115 { ATOM_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
3116 { ATOM_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
3117 { ATOM_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
3118 { ATOM_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
3119 { ATOM_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
3120 { ATOM_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
3121 { ATOM_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
3122 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
3123 { ATOM_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
3124 { ATOM_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
3125 { ATOM_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
3126 { ATOM_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common },
3127 { ATOM_enda, MP4_ReadBox_enda, MP4_FreeBox_Common },
3128 { ATOM_gnre, MP4_ReadBox_gnre, MP4_FreeBox_Common },
3129 { ATOM_trkn, MP4_ReadBox_trkn, MP4_FreeBox_Common },
3130 { ATOM_iods, MP4_ReadBox_iods, MP4_FreeBox_Common },
3131 { ATOM_pasp, MP4_ReadBox_pasp, MP4_FreeBox_Common },
3133 /* Nothing to do with this box */
3134 { ATOM_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3135 { ATOM_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3136 { ATOM_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3137 { ATOM_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3140 { ATOM_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3141 { ATOM_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3142 { ATOM_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3143 { ATOM_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3144 { ATOM__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3145 { ATOM_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3146 { ATOM_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3147 { ATOM_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3148 { ATOM_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3149 { ATOM_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3150 { ATOM_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3151 { ATOM_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3152 { ATOM_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3153 { ATOM_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3154 { ATOM_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3155 { ATOM_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3156 { ATOM_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3157 { ATOM_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3158 { ATOM_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3159 { ATOM_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3160 { ATOM_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3161 { ATOM_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3162 { ATOM_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3164 { ATOM_drmi, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3165 { ATOM_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3166 { ATOM_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3167 { ATOM_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3168 { ATOM_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3169 { ATOM_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3170 { ATOM_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3171 { ATOM_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3172 { ATOM_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3173 { ATOM_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3174 { ATOM_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3175 { ATOM_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3176 { ATOM_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3177 { ATOM_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3178 { ATOM_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3179 { ATOM_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3180 { ATOM_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3181 { ATOM_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3182 { ATOM_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3183 { ATOM_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3184 { ATOM_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3185 { ATOM_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3186 { ATOM_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3187 { ATOM_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3189 { ATOM_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
3190 { ATOM_mjht, MP4_ReadBox_default, NULL },
3192 { ATOM_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3193 { ATOM_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3194 { ATOM_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3195 { ATOM_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3196 { ATOM_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3197 { ATOM_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3198 { ATOM_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3200 { ATOM_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3201 { ATOM_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3203 { ATOM_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3204 { ATOM_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3206 { ATOM_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
3208 /* XXX there is 2 box where we could find this entry stbl and tref*/
3209 { ATOM_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
3211 /* found in tref box */
3212 { ATOM_dpnd, MP4_ReadBox_default, NULL },
3213 { ATOM_ipir, MP4_ReadBox_default, NULL },
3214 { ATOM_mpod, MP4_ReadBox_default, NULL },
3215 { ATOM_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
3218 { ATOM_rtp, MP4_ReadBox_default, NULL },
3221 { ATOM_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
3222 { ATOM_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
3223 { ATOM_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
3224 { ATOM_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
3226 { ATOM_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3227 { ATOM_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3228 { ATOM_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3229 { ATOM_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
3230 { ATOM_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
3231 { ATOM_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
3232 { ATOM_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
3233 { ATOM_frma, MP4_ReadBox_frma, MP4_FreeBox_Common },
3234 { ATOM_skcr, MP4_ReadBox_skcr, MP4_FreeBox_Common },
3237 { ATOM_0xa9nam, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3238 { ATOM_0xa9aut, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3239 { ATOM_0xa9cpy, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3240 { ATOM_0xa9swr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3241 { ATOM_0xa9inf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3242 { ATOM_0xa9ART, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3243 { ATOM_0xa9dir, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3244 { ATOM_0xa9cmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3245 { ATOM_0xa9req, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3246 { ATOM_0xa9day, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3247 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3248 { ATOM_0xa9fmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3249 { ATOM_0xa9prd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3250 { ATOM_0xa9prf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3251 { ATOM_0xa9src, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3252 { ATOM_0xa9alb, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3253 { ATOM_0xa9dis, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3254 { ATOM_0xa9enc, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3255 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3256 { ATOM_0xa9trk, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3257 { ATOM_0xa9dsa, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3258 { ATOM_0xa9hst, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3259 { ATOM_0xa9url, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3260 { ATOM_0xa9ope, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3261 { ATOM_0xa9com, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3262 { ATOM_0xa9wrt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3263 { ATOM_0xa9too, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3264 { ATOM_0xa9wrn, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3265 { ATOM_0xa9mak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3266 { ATOM_0xa9mod, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3267 { ATOM_0xa9PRD, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3268 { ATOM_0xa9grp, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3269 { ATOM_0xa9lyr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3271 { ATOM_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
3273 /* iTunes/Quicktime meta info */
3274 { ATOM_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
3275 { ATOM_name, MP4_ReadBox_name, MP4_FreeBox_name },
3277 /* found in smoothstreaming */
3278 { ATOM_traf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3279 { ATOM_mfra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3280 { ATOM_mfhd, MP4_ReadBox_mfhd, MP4_FreeBox_Common },
3281 { ATOM_sidx, MP4_ReadBox_sidx, MP4_FreeBox_sidx },
3282 { ATOM_tfhd, MP4_ReadBox_tfhd, MP4_FreeBox_Common },
3283 { ATOM_trun, MP4_ReadBox_trun, MP4_FreeBox_trun },
3284 { ATOM_trex, MP4_ReadBox_trex, MP4_FreeBox_Common },
3285 { ATOM_mehd, MP4_ReadBox_mehd, MP4_FreeBox_Common },
3286 { ATOM_sdtp, MP4_ReadBox_sdtp, MP4_FreeBox_sdtp },
3287 { ATOM_tfra, MP4_ReadBox_tfra, MP4_FreeBox_tfra },
3288 { ATOM_mfro, MP4_ReadBox_mfro, MP4_FreeBox_Common },
3291 { 0, MP4_ReadBox_default, NULL }
3295 /*****************************************************************************
3296 * MP4_ReadBox : parse the actual box and the children
3297 * XXX : Do not go to the next box
3298 *****************************************************************************/
3299 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
3301 MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
3302 unsigned int i_index;
3307 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
3309 msg_Warn( p_stream, "cannot read one box" );
3313 if( !p_box->i_size )
3315 msg_Dbg( p_stream, "found an empty box (null size)" );
3319 p_box->p_father = p_father;
3321 /* Now search function to call */
3322 for( i_index = 0; ; i_index++ )
3324 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3325 ( MP4_Box_Function[i_index].i_type == 0 ) )
3331 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
3333 MP4_BoxFree( p_stream, p_box );
3340 /*****************************************************************************
3341 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
3343 *****************************************************************************/
3344 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
3346 unsigned int i_index;
3352 for( p_child = p_box->p_first; p_child != NULL; )
3356 p_next = p_child->p_next;
3357 MP4_BoxFree( s, p_child );
3361 /* Now search function to call */
3362 if( p_box->data.p_data )
3364 for( i_index = 0; ; i_index++ )
3366 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3367 ( MP4_Box_Function[i_index].i_type == 0 ) )
3372 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
3374 /* Should not happen */
3375 if MP4_BOX_TYPE_ASCII()
3377 "cannot free box %4.4s, type unknown",
3378 (char*)&p_box->i_type );
3381 "cannot free box c%3.3s, type unknown",
3382 (char*)&p_box->i_type+1 );
3386 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
3388 free( p_box->data.p_data );
3393 /*****************************************************************************
3394 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
3395 *****************************************************************************
3396 * The first box is a virtual box "root" and is the father for all first
3397 * level boxes for the file, a sort of virtual contener
3398 *****************************************************************************/
3399 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
3405 p_root = malloc( sizeof( MP4_Box_t ) );
3406 if( p_root == NULL )
3410 p_root->i_type = ATOM_root;
3411 p_root->i_shortsize = 1;
3412 p_root->i_size = stream_Size( s );
3413 CreateUUID( &p_root->i_uuid, p_root->i_type );
3415 p_root->data.p_data = NULL;
3416 p_root->p_father = NULL;
3417 p_root->p_first = NULL;
3418 p_root->p_last = NULL;
3419 p_root->p_next = NULL;
3423 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
3430 /* check if there is a cmov, if so replace
3431 compressed moov by uncompressed one */
3432 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
3433 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
3434 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
3435 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
3437 /* rename the compressed moov as a box to skip */
3438 p_moov->i_type = ATOM_skip;
3440 /* get uncompressed p_moov */
3441 p_moov = p_cmov->data.p_cmov->p_moov;
3442 p_cmov->data.p_cmov->p_moov = NULL;
3444 /* make p_root father of this new moov */
3445 p_moov->p_father = p_root;
3447 /* insert this new moov box as first child of p_root */
3448 p_moov->p_next = p_root->p_first;
3449 p_root->p_first = p_moov;
3457 static void MP4_BoxDumpStructure_Internal( stream_t *s,
3458 MP4_Box_t *p_box, unsigned int i_level )
3464 if MP4_BOX_TYPE_ASCII()
3465 msg_Dbg( s, "dumping root Box \"%4.4s\"",
3466 (char*)&p_box->i_type );
3468 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
3469 (char*)&p_box->i_type+1 );
3474 if( i_level >= (sizeof(str) - 1)/4 )
3477 memset( str, ' ', sizeof(str) );
3478 for( unsigned i = 0; i < i_level; i++ )
3482 if( MP4_BOX_TYPE_ASCII() )
3483 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3485 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
3487 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3489 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
3490 msg_Dbg( s, "%s", str );
3492 p_child = p_box->p_first;
3495 MP4_BoxDumpStructure_Internal( s, p_child, i_level + 1 );
3496 p_child = p_child->p_next;
3500 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
3502 MP4_BoxDumpStructure_Internal( s, p_box, 0 );
3506 /*****************************************************************************
3507 *****************************************************************************
3509 ** High level methods to acces an MP4 file
3511 *****************************************************************************
3512 *****************************************************************************/
3513 static void get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
3516 if( !*ppsz_path[0] )
3522 i_len = strcspn( *ppsz_path, "/[" );
3523 if( !i_len && **ppsz_path == '/' )
3527 *ppsz_token = xmalloc( i_len + 1 );
3529 memcpy( *ppsz_token, *ppsz_path, i_len );
3531 (*ppsz_token)[i_len] = '\0';
3533 *ppsz_path += i_len;
3535 if( **ppsz_path == '[' )
3538 *pi_number = strtol( *ppsz_path, NULL, 10 );
3539 while( **ppsz_path && **ppsz_path != ']' )
3543 if( **ppsz_path == ']' )
3552 while( **ppsz_path == '/' )
3558 static void MP4_BoxGet_Internal( MP4_Box_t **pp_result,
3559 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
3571 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
3574 if( !psz_path || !psz_path[0] )
3581 // fprintf( stderr, "path:'%s'\n", psz_path );
3582 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
3587 get_token( &psz_path, &psz_token, &i_number );
3588 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
3589 // psz_path,psz_token,i_number );
3597 if( !strcmp( psz_token, "/" ) )
3600 while( p_box && p_box->i_type != ATOM_root )
3602 p_box = p_box->p_father;
3610 if( !strcmp( psz_token, "." ) )
3615 if( !strcmp( psz_token, ".." ) )
3617 p_box = p_box->p_father;
3624 if( strlen( psz_token ) == 4 )
3627 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
3628 psz_token[2], psz_token[3] );
3629 p_box = p_box->p_first;
3636 if( p_box->i_type == i_fourcc )
3644 p_box = p_box->p_next;
3648 if( *psz_token == '\0' )
3650 p_box = p_box->p_first;
3662 p_box = p_box->p_next;
3667 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
3671 FREENULL( psz_token );
3683 /*****************************************************************************
3684 * MP4_BoxGet: find a box given a path relative to p_box
3685 *****************************************************************************
3686 * Path Format: . .. / as usual
3687 * [number] to specifie box number ex: trak[12]
3689 * ex: /moov/trak[12]
3691 *****************************************************************************/
3692 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
3695 MP4_Box_t *p_result;
3697 va_start( args, psz_fmt );
3698 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
3704 /*****************************************************************************
3705 * MP4_BoxCount: count box given a path relative to p_box
3706 *****************************************************************************
3707 * Path Format: . .. / as usual
3708 * [number] to specifie box number ex: trak[12]
3710 * ex: /moov/trak[12]
3712 *****************************************************************************/
3713 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
3717 MP4_Box_t *p_result, *p_next;
3719 va_start( args, psz_fmt );
3720 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
3728 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3730 if( p_next->i_type == p_result->i_type)