1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
6 * Author: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * 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 * The input method HAS to be seekable
41 /* convert 16.16 fixed point to floating point */
42 static double conv_fx( int32_t fx ) {
48 /* some functions for mp4 encoding of variables */
50 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
57 /* date begin at 1 jan 1904 */
58 i_date += ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
60 i_day = i_date / ( 60*60*24);
61 i_hour = ( i_date /( 60*60 ) ) % 60;
62 i_min = ( i_date / 60 ) % 60;
64 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
68 /*****************************************************************************
70 *****************************************************************************/
71 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
74 /*****************************************************************************
75 * MP4_ReadBoxCommon : Load only common parameters for all boxes
76 *****************************************************************************
77 * p_box need to be an already allocated MP4_Box_t, and all data
78 * will only be peek not read
80 * RETURN : 0 if it fail, 1 otherwise
81 *****************************************************************************/
82 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
85 const uint8_t *p_peek;
87 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
91 p_box->i_pos = stream_Tell( p_stream );
93 p_box->data.p_data = NULL;
94 p_box->p_father = NULL;
95 p_box->p_first = NULL;
99 MP4_GET4BYTES( p_box->i_shortsize );
100 MP4_GETFOURCC( p_box->i_type );
102 /* Now special case */
104 if( p_box->i_shortsize == 1 )
106 /* get the true size on 64 bits */
107 MP4_GET8BYTES( p_box->i_size );
111 p_box->i_size = p_box->i_shortsize;
112 /* XXX size of 0 means that the box extends to end of file */
115 if( p_box->i_type == ATOM_uuid )
117 /* get extented type on 16 bytes */
118 GetUUID( &p_box->i_uuid, p_peek );
119 p_peek += 16; i_read -= 16;
123 CreateUUID( &p_box->i_uuid, p_box->i_type );
128 if MP4_BOX_TYPE_ASCII()
129 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64,
130 (char*)&p_box->i_type, p_box->i_size );
132 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
133 (char*)&p_box->i_type+1, p_box->i_size );
140 /*****************************************************************************
141 * MP4_NextBox : Go to the next box
142 *****************************************************************************
143 * if p_box == NULL, go to the next box in which we are( at the begining ).
144 *****************************************************************************/
145 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
151 MP4_ReadBoxCommon( p_stream, &box );
157 return 2; /* Box with infinite size */
160 if( p_box->p_father )
162 /* if father's size == 0, it means unknown or infinite size,
163 * and we skip the followong check */
164 if( p_box->p_father->i_size > 0 )
166 const off_t i_box_end = p_box->i_size + p_box->i_pos;
167 const off_t i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
169 /* check if it's within p-father */
170 if( i_box_end >= i_father_end )
172 if( i_box_end > i_father_end )
173 msg_Dbg( p_stream, "out of bound child" );
174 return 0; /* out of bound */
178 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
186 /*****************************************************************************
187 * For all known box a loader is given,
188 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
189 * after called one of theses functions, file position is unknown
190 * you need to call MP4_GotoBox to go where you want
191 *****************************************************************************/
192 static int MP4_ReadBoxContainerChildren( stream_t *p_stream,
193 MP4_Box_t *p_container, uint32_t i_last_child )
197 /* Size of root container is set to 0 when unknown, for exemple
198 * with a DASH stream. In that case, we skip the following check */
199 if( p_container->i_size
200 && ( stream_Tell( p_stream ) + 8 >
201 (off_t)(p_container->i_pos + p_container->i_size) )
204 /* there is no box to load */
210 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
212 /* chain this box with the father and the other at same level */
213 if( !p_container->p_first ) p_container->p_first = p_box;
214 else p_container->p_last->p_next = p_box;
215 p_container->p_last = p_box;
217 if( p_box->i_type == i_last_child )
219 MP4_NextBox( p_stream, p_box );
223 } while( MP4_NextBox( p_stream, p_box ) == 1 );
228 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
230 return MP4_ReadBoxContainerChildren( p_stream, p_container, 0 );
233 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
235 if( p_container->i_size &&
236 ( p_container->i_size <= (size_t)mp4_box_headersize(p_container ) + 8 ) )
238 /* container is empty, 8 stand for the first header in this box */
243 stream_Seek( p_stream, p_container->i_pos +
244 mp4_box_headersize( p_container ) );
246 return MP4_ReadBoxContainerRaw( p_stream, p_container );
249 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
251 /* Up to now do nothing */
255 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
257 /* XXX sometime moov is hiden in a free box */
258 if( p_box->p_father &&
259 p_box->p_father->i_type == ATOM_root &&
260 p_box->i_type == ATOM_free )
262 const uint8_t *p_peek;
266 i_read = stream_Peek( p_stream, &p_peek, 44 );
268 p_peek += mp4_box_headersize( p_box ) + 4;
269 i_read -= mp4_box_headersize( p_box ) + 4;
273 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
275 if( i_fcc == ATOM_cmov || i_fcc == ATOM_mvhd )
277 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
279 p_box->i_type = ATOM_foov;
280 return MP4_ReadBoxContainer( p_stream, p_box );
287 if MP4_BOX_TYPE_ASCII()
288 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
290 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
295 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
297 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
299 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
300 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
302 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
304 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
305 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
308 if( unlikely( tab == NULL ) )
309 MP4_READBOX_EXIT( 0 );
311 for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
313 MP4_GETFOURCC( tab[i] );
318 p_box->data.p_ftyp->i_compatible_brands = NULL;
321 MP4_READBOX_EXIT( 1 );
324 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
326 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
330 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
333 char s_creation_time[128];
334 char s_modification_time[128];
335 char s_duration[128];
337 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
339 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
341 if( p_box->data.p_mvhd->i_version )
343 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
344 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
345 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
346 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
350 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
351 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
352 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
353 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
355 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
356 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
357 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
360 for( unsigned i = 0; i < 2; i++ )
362 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
364 for( unsigned i = 0; i < 9; i++ )
366 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
368 for( unsigned i = 0; i < 6; i++ )
370 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
373 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
377 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
378 MP4_ConvertDate2Str( s_modification_time,
379 p_box->data.p_mvhd->i_modification_time );
380 if( p_box->data.p_mvhd->i_rate )
382 MP4_ConvertDate2Str( s_duration,
383 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
389 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
392 (uint32_t)p_box->data.p_mvhd->i_timescale,
394 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
395 (float)p_box->data.p_mvhd->i_volume / 256 ,
396 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
398 MP4_READBOX_EXIT( 1 );
401 static int MP4_ReadBox_mfhd( stream_t *p_stream, MP4_Box_t *p_box )
403 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t );
405 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
407 MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
410 msg_Dbg( p_stream, "read box: \"mfhd\" sequence number %d",
411 p_box->data.p_mfhd->i_sequence_number );
413 MP4_READBOX_EXIT( 1 );
416 static int MP4_ReadBox_tfxd( stream_t *p_stream, MP4_Box_t *p_box )
418 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
420 MP4_Box_data_tfxd_t *p_tfxd_data = p_box->data.p_tfxd;
421 MP4_GETVERSIONFLAGS( p_tfxd_data );
423 if( p_tfxd_data->i_version == 0 )
425 MP4_GET4BYTES( p_tfxd_data->i_fragment_abs_time );
426 MP4_GET4BYTES( p_tfxd_data->i_fragment_duration );
430 MP4_GET8BYTES( p_tfxd_data->i_fragment_abs_time );
431 MP4_GET8BYTES( p_tfxd_data->i_fragment_duration );
435 msg_Dbg( p_stream, "read box: \"tfxd\" version %d, flags 0x%x, "\
436 "fragment duration %"PRIu64", fragment abs time %"PRIu64,
437 p_tfxd_data->i_version,
438 p_tfxd_data->i_flags,
439 p_tfxd_data->i_fragment_duration,
440 p_tfxd_data->i_fragment_abs_time
444 MP4_READBOX_EXIT( 1 );
447 static int MP4_ReadBox_tfrf( stream_t *p_stream, MP4_Box_t *p_box )
449 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
451 MP4_Box_data_tfrf_t *p_tfrf_data = p_box->data.p_tfrf;
452 MP4_GETVERSIONFLAGS( p_tfrf_data );
454 MP4_GET1BYTE( p_tfrf_data->i_fragment_count );
456 p_tfrf_data->p_tfrf_data_fields = calloc( p_tfrf_data->i_fragment_count,
457 sizeof( TfrfBoxDataFields_t ) );
458 if( !p_tfrf_data->p_tfrf_data_fields )
459 MP4_READBOX_EXIT( 0 );
461 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
463 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
464 if( p_tfrf_data->i_version == 0 )
466 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_abs_time );
467 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_duration );
471 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_abs_time );
472 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_duration );
477 msg_Dbg( p_stream, "read box: \"tfrf\" version %d, flags 0x%x, "\
478 "fragment count %"PRIu8, p_tfrf_data->i_version,
479 p_tfrf_data->i_flags, p_tfrf_data->i_fragment_count );
481 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
483 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
484 msg_Dbg( p_stream, "\"tfrf\" fragment duration %"PRIu64", "\
485 "fragment abs time %"PRIu64,
486 TfrfBoxDataField->i_fragment_duration,
487 TfrfBoxDataField->i_fragment_abs_time );
492 MP4_READBOX_EXIT( 1 );
495 static void MP4_FreeBox_tfrf( MP4_Box_t *p_box )
497 FREENULL( p_box->data.p_tfrf->p_tfrf_data_fields );
500 static int MP4_ReadBox_stra( stream_t *p_stream, MP4_Box_t *p_box )
502 MP4_READBOX_ENTER( MP4_Box_data_stra_t );
503 MP4_Box_data_stra_t *p_stra = p_box->data.p_stra;
506 MP4_GET1BYTE( p_stra->i_es_cat );
507 MP4_GET1BYTE( i_reserved );
508 MP4_GET2BYTES( p_stra->i_track_ID );
510 MP4_GET4BYTES( p_stra->i_timescale );
511 MP4_GET8BYTES( p_stra->i_duration );
513 MP4_GET4BYTES( p_stra->FourCC );
514 MP4_GET4BYTES( p_stra->Bitrate );
515 MP4_GET4BYTES( p_stra->MaxWidth );
516 MP4_GET4BYTES( p_stra->MaxHeight );
517 MP4_GET4BYTES( p_stra->SamplingRate );
518 MP4_GET4BYTES( p_stra->Channels );
519 MP4_GET4BYTES( p_stra->BitsPerSample );
520 MP4_GET4BYTES( p_stra->AudioTag );
521 MP4_GET2BYTES( p_stra->nBlockAlign );
523 MP4_GET1BYTE( i_reserved );
524 MP4_GET1BYTE( i_reserved );
525 MP4_GET1BYTE( i_reserved );
526 MP4_GET1BYTE( p_stra->cpd_len );
527 if( p_stra->cpd_len > i_read )
529 p_stra->CodecPrivateData = malloc( p_stra->cpd_len );
530 if( unlikely( p_stra->CodecPrivateData == NULL ) )
532 memcpy( p_stra->CodecPrivateData, p_peek, p_stra->cpd_len );
535 msg_Dbg( p_stream, "es_cat is %"PRIu8", birate is %"PRIu32,
536 p_stra->i_es_cat, p_stra->Bitrate );
539 MP4_READBOX_EXIT( 1 );
541 MP4_READBOX_EXIT( 0 );
544 static void MP4_FreeBox_stra( MP4_Box_t *p_box )
546 FREENULL( p_box->data.p_stra->CodecPrivateData );
549 static int MP4_ReadBox_uuid( stream_t *p_stream, MP4_Box_t *p_box )
551 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
552 return MP4_ReadBox_tfrf( p_stream, p_box );
553 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
554 return MP4_ReadBox_tfxd( p_stream, p_box );
555 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
556 return MP4_ReadBoxContainer( p_stream, p_box );
557 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
558 return MP4_ReadBox_stra( p_stream, p_box );
560 msg_Warn( p_stream, "Unknown uuid type box" );
564 static void MP4_FreeBox_uuid( MP4_Box_t *p_box )
566 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
567 return MP4_FreeBox_tfrf( p_box );
568 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
569 return MP4_FreeBox_Common( p_box );
570 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
571 return MP4_FreeBox_Common( p_box );
572 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
573 return MP4_FreeBox_stra( p_box );
576 static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
578 MP4_READBOX_ENTER( MP4_Box_data_sidx_t );
580 MP4_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
581 MP4_GETVERSIONFLAGS( p_sidx_data );
583 MP4_GET4BYTES( p_sidx_data->i_reference_ID );
584 MP4_GET4BYTES( p_sidx_data->i_timescale );
586 if( p_sidx_data->i_version == 0 )
588 MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
589 MP4_GET4BYTES( p_sidx_data->i_first_offset );
593 MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
594 MP4_GET8BYTES( p_sidx_data->i_first_offset );
598 MP4_GET2BYTES( i_reserved );
599 MP4_GET2BYTES( p_sidx_data->i_reference_count );
600 uint16_t i_count = p_sidx_data->i_reference_count;
602 p_sidx_data->p_items = calloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
604 for( unsigned i = 0; i < i_count; i++ )
606 MP4_GET4BYTES( tmp );
607 p_sidx_data->p_items[i].b_reference_type = (bool)((tmp & 0x80000000)>>24);
608 p_sidx_data->p_items[i].i_referenced_size = tmp & 0x7fffffff;
609 MP4_GET4BYTES( p_sidx_data->p_items[i].i_subsegment_duration );
611 MP4_GET4BYTES( tmp );
612 p_sidx_data->p_items[i].b_starts_with_SAP = (bool)((tmp & 0x80000000)>>24);
613 p_sidx_data->p_items[i].i_SAP_type = (tmp & 0x70000000)>>24;
614 p_sidx_data->p_items[i].i_SAP_delta_time = tmp & 0xfffffff;
618 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
619 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
620 "first subsegmt duration %"PRIu32,
621 p_sidx_data->i_version,
622 p_sidx_data->i_flags,
623 p_sidx_data->i_reference_ID,
624 p_sidx_data->i_timescale,
625 p_sidx_data->i_reference_count,
626 p_sidx_data->p_items[0].i_subsegment_duration
630 MP4_READBOX_EXIT( 1 );
633 static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
635 FREENULL( p_box->data.p_sidx->p_items );
638 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
640 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t );
642 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
644 if( p_box->data.p_tfhd->i_version != 0 )
646 msg_Warn( p_stream, "'tfhd' box with version != 0. "\
647 " Don't know what to do with that, please patch" );
648 MP4_READBOX_EXIT( 0 );
651 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
653 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
655 msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
656 "=> no samples for this time interval." );
657 p_box->data.p_tfhd->b_empty = true;
660 p_box->data.p_tfhd->b_empty = false;
662 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
663 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
664 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
665 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
666 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
667 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
668 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
669 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
670 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
671 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
674 char psz_base[128] = "\0";
675 char psz_desc[128] = "\0";
676 char psz_dura[128] = "\0";
677 char psz_size[128] = "\0";
678 char psz_flag[128] = "\0";
679 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
680 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
681 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
682 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
683 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
684 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
685 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
686 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
687 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
688 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
690 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
691 p_box->data.p_tfhd->i_version,
692 p_box->data.p_tfhd->i_flags,
693 p_box->data.p_tfhd->i_track_ID,
694 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
697 MP4_READBOX_EXIT( 1 );
700 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
702 MP4_READBOX_ENTER( MP4_Box_data_trun_t );
704 MP4_GETVERSIONFLAGS( p_box->data.p_trun );
706 MP4_GET4BYTES( p_box->data.p_trun->i_sample_count );
708 if( p_box->data.p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
709 MP4_GET4BYTES( p_box->data.p_trun->i_data_offset );
710 if( p_box->data.p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
711 MP4_GET4BYTES( p_box->data.p_trun->i_first_sample_flags );
713 p_box->data.p_trun->p_samples =
714 calloc( p_box->data.p_trun->i_sample_count, sizeof(MP4_descriptor_trun_sample_t) );
715 if ( p_box->data.p_trun->p_samples == NULL )
716 MP4_READBOX_EXIT( 0 );
718 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
720 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
721 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
722 MP4_GET4BYTES( p_sample->i_duration );
723 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
724 MP4_GET4BYTES( p_sample->i_size );
725 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
726 MP4_GET4BYTES( p_sample->i_flags );
727 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
728 MP4_GET4BYTES( p_sample->i_composition_time_offset );
732 msg_Dbg( p_stream, "read box: \"trun\" version %u flags 0x%x sample count %u",
733 p_box->data.p_trun->i_version,
734 p_box->data.p_trun->i_flags,
735 p_box->data.p_trun->i_sample_count );
737 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
739 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
740 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4u flags 0x%x "\
741 "duration %"PRIu32" size %"PRIu32" composition time offset %"PRIu32,
742 i, p_sample->i_flags, p_sample->i_duration,
743 p_sample->i_size, p_sample->i_composition_time_offset );
747 MP4_READBOX_EXIT( 1 );
750 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
752 FREENULL( p_box->data.p_trun->p_samples );
756 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
759 char s_creation_time[128];
760 char s_modification_time[128];
761 char s_duration[128];
763 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
765 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
767 if( p_box->data.p_tkhd->i_version )
769 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
770 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
771 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
772 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
773 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
777 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
778 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
779 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
780 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
781 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
784 for( unsigned i = 0; i < 2; i++ )
786 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
788 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
789 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
790 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
791 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
793 for( unsigned i = 0; i < 9; i++ )
795 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
797 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
798 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
800 double rotation; //angle in degrees to be rotated clockwise
801 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
802 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
804 int *matrix = p_box->data.p_tkhd->i_matrix;
806 translate[0] = conv_fx(matrix[6]);
807 translate[1] = conv_fx(matrix[7]);
809 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
810 conv_fx(matrix[3]) * conv_fx(matrix[3]));
811 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
812 conv_fx(matrix[4]) * conv_fx(matrix[4]));
814 rotation = atan2(conv_fx(matrix[1]) / scale[1], conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
819 p_box->data.p_tkhd->f_rotation = rotation;
822 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
823 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
824 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
826 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. "
827 "Matrix: %i %i %i %i %i %i %i %i %i",
831 p_box->data.p_tkhd->i_track_ID,
832 p_box->data.p_tkhd->i_layer,
833 (float)p_box->data.p_tkhd->i_volume / 256 ,
839 (float)p_box->data.p_tkhd->i_width / 65536,
840 (float)p_box->data.p_tkhd->i_height / 65536,
841 p_box->data.p_tkhd->i_matrix[0],
842 p_box->data.p_tkhd->i_matrix[1],
843 p_box->data.p_tkhd->i_matrix[2],
844 p_box->data.p_tkhd->i_matrix[3],
845 p_box->data.p_tkhd->i_matrix[4],
846 p_box->data.p_tkhd->i_matrix[5],
847 p_box->data.p_tkhd->i_matrix[6],
848 p_box->data.p_tkhd->i_matrix[7],
849 p_box->data.p_tkhd->i_matrix[8] );
851 MP4_READBOX_EXIT( 1 );
855 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
859 char s_creation_time[128];
860 char s_modification_time[128];
861 char s_duration[128];
863 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
865 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
867 if( p_box->data.p_mdhd->i_version )
869 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
870 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
871 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
872 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
876 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
877 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
878 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
879 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
881 p_box->data.p_mdhd->i_language_code = i_language = GetWBE( p_peek );
882 for( unsigned i = 0; i < 3; i++ )
884 p_box->data.p_mdhd->i_language[i] =
885 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
888 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
891 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
892 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
893 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
894 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
897 (uint32_t)p_box->data.p_mdhd->i_timescale,
899 p_box->data.p_mdhd->i_language[0],
900 p_box->data.p_mdhd->i_language[1],
901 p_box->data.p_mdhd->i_language[2] );
903 MP4_READBOX_EXIT( 1 );
907 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
911 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
913 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
915 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
916 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
918 MP4_GET4BYTES( i_reserved );
919 MP4_GET4BYTES( i_reserved );
920 MP4_GET4BYTES( i_reserved );
921 p_box->data.p_hdlr->psz_name = NULL;
925 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
926 if( unlikely( psz == NULL ) )
927 MP4_READBOX_EXIT( 0 );
929 /* Yes, I love .mp4 :( */
930 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
935 MP4_GET1BYTE( i_len );
936 i_copy = __MIN( i_read, i_len );
938 memcpy( psz, p_peek, i_copy );
939 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
943 memcpy( psz, p_peek, i_read );
944 p_box->data.p_hdlr->psz_name[i_read] = '\0';
949 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
950 (char*)&p_box->data.p_hdlr->i_handler_type,
951 p_box->data.p_hdlr->psz_name );
954 MP4_READBOX_EXIT( 1 );
957 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
959 FREENULL( p_box->data.p_hdlr->psz_name );
962 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
964 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
966 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
968 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
969 for( unsigned i = 0; i < 3; i++ )
971 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
975 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
976 p_box->data.p_vmhd->i_graphics_mode,
977 p_box->data.p_vmhd->i_opcolor[0],
978 p_box->data.p_vmhd->i_opcolor[1],
979 p_box->data.p_vmhd->i_opcolor[2] );
981 MP4_READBOX_EXIT( 1 );
984 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
986 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
988 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
992 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
994 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
997 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
998 (float)p_box->data.p_smhd->i_balance / 256 );
1000 MP4_READBOX_EXIT( 1 );
1004 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
1006 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
1008 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
1010 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
1011 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
1013 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
1014 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
1016 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1019 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1020 p_box->data.p_hmhd->i_max_PDU_size,
1021 p_box->data.p_hmhd->i_avg_PDU_size,
1022 p_box->data.p_hmhd->i_max_bitrate,
1023 p_box->data.p_hmhd->i_avg_bitrate );
1025 MP4_READBOX_EXIT( 1 );
1028 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
1030 MP4_READBOX_ENTER( MP4_Box_data_url_t );
1032 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1033 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1036 msg_Dbg( p_stream, "read box: \"url\" url: %s",
1037 p_box->data.p_url->psz_location );
1040 MP4_READBOX_EXIT( 1 );
1044 static void MP4_FreeBox_url( MP4_Box_t *p_box )
1046 FREENULL( p_box->data.p_url->psz_location );
1049 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
1051 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
1053 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1055 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1056 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1059 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
1060 p_box->data.p_urn->psz_name,
1061 p_box->data.p_urn->psz_location );
1063 MP4_READBOX_EXIT( 1 );
1065 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
1067 FREENULL( p_box->data.p_urn->psz_name );
1068 FREENULL( p_box->data.p_urn->psz_location );
1072 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
1074 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1076 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1078 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1080 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1081 MP4_ReadBoxContainerRaw( p_stream, p_box );
1084 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
1085 p_box->data.p_dref->i_entry_count );
1088 MP4_READBOX_EXIT( 1 );
1091 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1093 FREENULL( p_box->data.p_stts->i_sample_count );
1094 FREENULL( p_box->data.p_stts->i_sample_delta );
1097 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1099 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1101 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1102 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1104 p_box->data.p_stts->i_sample_count =
1105 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1106 p_box->data.p_stts->i_sample_delta =
1107 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1108 if( p_box->data.p_stts->i_sample_count == NULL
1109 || p_box->data.p_stts->i_sample_delta == NULL )
1111 MP4_READBOX_EXIT( 0 );
1114 for( unsigned int i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1116 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1117 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1121 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1122 p_box->data.p_stts->i_entry_count );
1125 MP4_READBOX_EXIT( 1 );
1129 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1131 FREENULL( p_box->data.p_ctts->i_sample_count );
1132 FREENULL( p_box->data.p_ctts->i_sample_offset );
1135 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1137 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1139 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1141 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1143 p_box->data.p_ctts->i_sample_count =
1144 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1145 p_box->data.p_ctts->i_sample_offset =
1146 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1147 if( ( p_box->data.p_ctts->i_sample_count == NULL )
1148 || ( p_box->data.p_ctts->i_sample_offset == NULL ) )
1150 MP4_READBOX_EXIT( 0 );
1153 for( unsigned int i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1155 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1156 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1160 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
1161 p_box->data.p_ctts->i_entry_count );
1164 MP4_READBOX_EXIT( 1 );
1168 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1171 unsigned int i_len = 0;
1178 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1179 } while( i_b&0x80 );
1184 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1186 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
1187 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1189 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1190 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1194 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1196 #define es_descriptor p_box->data.p_esds->es_descriptor
1198 unsigned int i_flags;
1199 unsigned int i_type;
1201 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1203 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1206 MP4_GET1BYTE( i_type );
1207 if( i_type == 0x03 ) /* MP4ESDescrTag */
1209 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1212 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
1216 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1217 MP4_GET1BYTE( i_flags );
1218 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1219 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1220 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1222 es_descriptor.i_stream_priority = i_flags&0x1f;
1223 if( es_descriptor.b_stream_dependence )
1225 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1227 if( es_descriptor.b_url )
1231 MP4_GET1BYTE( i_len );
1232 es_descriptor.psz_URL = malloc( i_len + 1 );
1233 if( es_descriptor.psz_URL )
1235 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1236 es_descriptor.psz_URL[i_len] = 0;
1243 es_descriptor.psz_URL = NULL;
1245 if( es_descriptor.b_OCRstream )
1247 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1249 MP4_GET1BYTE( i_type ); /* get next type */
1252 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1254 es_descriptor.p_decConfigDescr = NULL;
1255 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1258 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1261 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
1265 es_descriptor.p_decConfigDescr =
1266 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1267 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1268 MP4_READBOX_EXIT( 0 );
1270 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1271 MP4_GET1BYTE( i_flags );
1272 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1273 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1274 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1275 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1276 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1277 MP4_GET1BYTE( i_type );
1278 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1280 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1281 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1282 MP4_READBOX_EXIT( 1 );
1285 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1288 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
1291 if( i_len > i_read )
1292 MP4_READBOX_EXIT( 0 );
1294 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1295 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1296 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1297 MP4_READBOX_EXIT( 0 );
1299 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1302 MP4_READBOX_EXIT( 1 );
1303 #undef es_descriptor
1306 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1308 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1311 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1315 for( i = 0; i < p_avcC->i_sps; i++ )
1316 FREENULL( p_avcC->sps[i] );
1320 for( i = 0; i < p_avcC->i_pps; i++ )
1321 FREENULL( p_avcC->pps[i] );
1323 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1324 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1325 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1326 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1329 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1331 MP4_Box_data_avcC_t *p_avcC;
1334 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1335 p_avcC = p_box->data.p_avcC;
1337 p_avcC->i_avcC = i_read;
1338 if( p_avcC->i_avcC > 0 )
1340 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1342 memcpy( p, p_peek, i_read );
1345 MP4_GET1BYTE( p_avcC->i_version );
1346 MP4_GET1BYTE( p_avcC->i_profile );
1347 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1348 MP4_GET1BYTE( p_avcC->i_level );
1349 MP4_GET1BYTE( p_avcC->i_reserved1 );
1350 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1351 p_avcC->i_reserved1 >>= 2;
1353 MP4_GET1BYTE( p_avcC->i_reserved2 );
1354 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1355 p_avcC->i_reserved2 >>= 5;
1357 if( p_avcC->i_sps > 0 )
1359 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1360 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1362 if( !p_avcC->i_sps_length || !p_avcC->sps )
1365 for( i = 0; i < p_avcC->i_sps; i++ )
1367 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1368 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1369 if( p_avcC->sps[i] )
1370 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1372 p_peek += p_avcC->i_sps_length[i];
1373 i_read -= p_avcC->i_sps_length[i];
1377 MP4_GET1BYTE( p_avcC->i_pps );
1378 if( p_avcC->i_pps > 0 )
1380 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1381 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1383 if( !p_avcC->i_pps_length || !p_avcC->pps )
1386 for( i = 0; i < p_avcC->i_pps; i++ )
1388 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1389 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1390 if( p_avcC->pps[i] )
1391 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1393 p_peek += p_avcC->i_pps_length[i];
1394 i_read -= p_avcC->i_pps_length[i];
1399 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1400 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1401 p_avcC->i_length_size,
1402 p_avcC->i_sps, p_avcC->i_pps );
1403 for( i = 0; i < p_avcC->i_sps; i++ )
1405 msg_Dbg( p_stream, " - sps[%d] length=%d",
1406 i, p_avcC->i_sps_length[i] );
1408 for( i = 0; i < p_avcC->i_pps; i++ )
1410 msg_Dbg( p_stream, " - pps[%d] length=%d",
1411 i, p_avcC->i_pps_length[i] );
1415 MP4_READBOX_EXIT( 1 );
1418 MP4_READBOX_EXIT( 0 );
1421 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
1423 MP4_Box_data_dac3_t *p_dac3;
1424 MP4_READBOX_ENTER( MP4_Box_data_dac3_t );
1426 p_dac3 = p_box->data.p_dac3;
1429 MP4_GET3BYTES( i_header );
1431 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
1432 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
1433 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
1434 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
1435 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
1436 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
1440 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
1441 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 );
1443 MP4_READBOX_EXIT( 1 );
1446 static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
1448 MP4_Box_data_dvc1_t *p_dvc1;
1450 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t );
1451 p_dvc1 = p_box->data.p_dvc1;
1453 MP4_GET1BYTE( p_dvc1->i_profile_level ); /* profile is on 4bits, level 3bits */
1454 uint8_t i_profile = (p_dvc1->i_profile_level & 0xf0) >> 4;
1455 if( i_profile != 0x06 && i_profile != 0x0c )
1457 msg_Warn( p_stream, "unsupported VC-1 profile (%"PRIu8"), please report", i_profile );
1458 MP4_READBOX_EXIT( 0 );
1462 p_dvc1->i_vc1 = p_box->i_size - 7; /* Header + profile_level */
1464 if( p_dvc1->i_vc1 > 0 )
1466 uint8_t *p = p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 );
1468 memcpy( p, p_peek, i_read );
1473 "read box: \"dvc1\" profile=%"PRIu8" level=%i",
1474 i_profile, p_dvc1->i_profile_level & 0x0e >> 1 );
1477 MP4_READBOX_EXIT( 1 );
1480 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
1482 MP4_Box_data_enda_t *p_enda;
1483 MP4_READBOX_ENTER( MP4_Box_data_enda_t );
1485 p_enda = p_box->data.p_enda;
1487 MP4_GET2BYTES( p_enda->i_little_endian );
1491 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
1493 MP4_READBOX_EXIT( 1 );
1496 static int MP4_ReadBox_gnre( stream_t *p_stream, MP4_Box_t *p_box )
1498 MP4_Box_data_gnre_t *p_gnre;
1499 MP4_READBOX_ENTER( MP4_Box_data_gnre_t );
1501 p_gnre = p_box->data.p_gnre;
1503 uint32_t i_data_len;
1504 uint32_t i_data_tag;
1506 MP4_GET4BYTES( i_data_len );
1507 MP4_GETFOURCC( i_data_tag );
1508 if( i_data_len < 10 || i_data_tag != ATOM_data )
1509 MP4_READBOX_EXIT( 0 );
1512 uint32_t i_reserved;
1513 MP4_GET4BYTES( i_version );
1514 MP4_GET4BYTES( i_reserved );
1515 MP4_GET2BYTES( p_gnre->i_genre );
1516 if( p_gnre->i_genre == 0 )
1517 MP4_READBOX_EXIT( 0 );
1519 msg_Dbg( p_stream, "read box: \"gnre\" genre=%i", p_gnre->i_genre );
1522 MP4_READBOX_EXIT( 1 );
1525 static int MP4_ReadBox_trkn( stream_t *p_stream, MP4_Box_t *p_box )
1527 MP4_Box_data_trkn_t *p_trkn;
1528 MP4_READBOX_ENTER( MP4_Box_data_trkn_t );
1530 p_trkn = p_box->data.p_trkn;
1532 uint32_t i_data_len;
1533 uint32_t i_data_tag;
1535 MP4_GET4BYTES( i_data_len );
1536 MP4_GETFOURCC( i_data_tag );
1537 if( i_data_len < 12 || i_data_tag != ATOM_data )
1538 MP4_READBOX_EXIT( 0 );
1541 uint32_t i_reserved;
1542 MP4_GET4BYTES( i_version );
1543 MP4_GET4BYTES( i_reserved );
1544 MP4_GET2BYTES( i_reserved );
1545 MP4_GET2BYTES( p_trkn->i_track_number );
1547 msg_Dbg( p_stream, "read box: \"trkn\" number=%i", p_trkn->i_track_number );
1549 if( i_data_len > 15 )
1551 MP4_GET2BYTES( p_trkn->i_track_total );
1553 msg_Dbg( p_stream, "read box: \"trkn\" total=%i", p_trkn->i_track_total );
1557 MP4_READBOX_EXIT( 1 );
1561 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1563 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1564 p_box->data.p_sample_soun->p_qt_description = NULL;
1566 /* Sanity check needed because the "wave" box does also contain an
1567 * "mp4a" box that we don't understand. */
1571 MP4_READBOX_EXIT( 1 );
1574 for( unsigned i = 0; i < 6 ; i++ )
1576 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1579 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1582 * XXX hack -> produce a copy of the nearly complete chunk
1584 p_box->data.p_sample_soun->i_qt_description = 0;
1585 p_box->data.p_sample_soun->p_qt_description = NULL;
1588 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1589 if( p_box->data.p_sample_soun->p_qt_description )
1591 p_box->data.p_sample_soun->i_qt_description = i_read;
1592 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1596 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1597 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1598 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1600 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1601 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1602 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1603 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1604 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1605 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1607 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1609 /* SoundDescriptionV1 */
1610 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1611 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1612 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1613 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1617 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1618 "bytes/frame=%d bytes/sample=%d",
1619 p_box->data.p_sample_soun->i_sample_per_packet,
1620 p_box->data.p_sample_soun->i_bytes_per_packet,
1621 p_box->data.p_sample_soun->i_bytes_per_frame,
1622 p_box->data.p_sample_soun->i_bytes_per_sample );
1624 stream_Seek( p_stream, p_box->i_pos +
1625 mp4_box_headersize( p_box ) + 44 );
1627 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1629 /* SoundDescriptionV2 */
1630 double f_sample_rate;
1634 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1635 MP4_GET8BYTES( dummy );
1636 memcpy( &f_sample_rate, &dummy, 8 );
1638 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1639 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1640 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1642 MP4_GET4BYTES( i_channel );
1643 p_box->data.p_sample_soun->i_channelcount = i_channel;
1646 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1648 stream_Seek( p_stream, p_box->i_pos +
1649 mp4_box_headersize( p_box ) + 28 + 36 );
1653 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1654 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1655 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1656 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1659 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1662 stream_Seek( p_stream, p_box->i_pos +
1663 mp4_box_headersize( p_box ) + 28 );
1666 if( p_box->i_type == ATOM_drms )
1668 msg_Warn( p_stream, "DRM protected streams are not supported." );
1669 MP4_READBOX_EXIT( 0 );
1672 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
1674 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1675 p_box->data.p_sample_soun->i_channelcount = 1;
1678 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1681 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1682 "sample size %d sample rate %f",
1683 p_box->data.p_sample_soun->i_channelcount,
1684 p_box->data.p_sample_soun->i_samplesize,
1685 (float)p_box->data.p_sample_soun->i_sampleratehi +
1686 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1689 MP4_READBOX_EXIT( 1 );
1693 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1695 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1699 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1701 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1703 for( unsigned i = 0; i < 6 ; i++ )
1705 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1708 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1711 * XXX hack -> produce a copy of the nearly complete chunk
1715 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1716 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
1717 MP4_READBOX_EXIT( 0 );
1718 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1719 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1724 p_box->data.p_sample_vide->i_qt_image_description = 0;
1725 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1728 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1729 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1730 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1732 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1733 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1735 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1736 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1738 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1739 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1741 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1742 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1744 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1745 p_peek += 32; i_read -= 32;
1747 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1748 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1750 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 78);
1752 if( p_box->i_type == ATOM_drmi )
1754 msg_Warn( p_stream, "DRM protected streams are not supported." );
1755 MP4_READBOX_EXIT( 0 );
1758 MP4_ReadBoxContainerRaw( p_stream, p_box );
1761 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1762 p_box->data.p_sample_vide->i_width,
1763 p_box->data.p_sample_vide->i_height,
1764 p_box->data.p_sample_vide->i_depth );
1767 MP4_READBOX_EXIT( 1 );
1771 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1773 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1776 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1778 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1779 MP4_ReadBoxContainerRaw( p_stream, p_box );
1783 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1787 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1789 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1790 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1792 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1794 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1799 /* FIXME search right signification */
1801 p_box->data.p_sample_text->i_justification_horizontal = 1;
1802 p_box->data.p_sample_text->i_justification_vertical = 1;
1804 case -1: // Flush Right
1805 p_box->data.p_sample_text->i_justification_horizontal = -1;
1806 p_box->data.p_sample_text->i_justification_vertical = -1;
1808 case -2: // Flush Left
1809 p_box->data.p_sample_text->i_justification_horizontal = 0;
1810 p_box->data.p_sample_text->i_justification_vertical = 0;
1812 case 0: // Flush Default
1814 p_box->data.p_sample_text->i_justification_horizontal = 1;
1815 p_box->data.p_sample_text->i_justification_vertical = -1;
1819 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1820 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1821 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1822 p_box->data.p_sample_text->i_background_color[3] = 0;
1824 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1825 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1826 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1827 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1830 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1832 MP4_READBOX_EXIT( 1 );
1835 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1837 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1839 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1840 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1842 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1844 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1846 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1847 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1849 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1850 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1851 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1852 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1854 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1855 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1856 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1857 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1860 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
1862 MP4_READBOX_EXIT( 1 );
1867 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1868 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1870 FREENULL( p_box->data.p_sample_text->psz_text_name );
1875 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1878 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1880 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1882 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1884 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1886 MP4_ReadBoxContainerRaw( p_stream, p_box );
1889 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1890 p_box->data.p_stsd->i_entry_count );
1893 MP4_READBOX_EXIT( 1 );
1897 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1899 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1901 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1903 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1904 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1906 if( p_box->data.p_stsz->i_sample_size == 0 )
1908 p_box->data.p_stsz->i_entry_size =
1909 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1910 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
1911 MP4_READBOX_EXIT( 0 );
1913 for( unsigned int i = 0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1915 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1919 p_box->data.p_stsz->i_entry_size = NULL;
1922 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1923 p_box->data.p_stsz->i_sample_size,
1924 p_box->data.p_stsz->i_sample_count );
1927 MP4_READBOX_EXIT( 1 );
1930 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1932 FREENULL( p_box->data.p_stsz->i_entry_size );
1935 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1937 FREENULL( p_box->data.p_stsc->i_first_chunk );
1938 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1939 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1942 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1944 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1946 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1948 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1950 p_box->data.p_stsc->i_first_chunk =
1951 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1952 p_box->data.p_stsc->i_samples_per_chunk =
1953 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1954 p_box->data.p_stsc->i_sample_description_index =
1955 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1956 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
1957 || p_box->data.p_stsc->i_samples_per_chunk == NULL
1958 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
1960 MP4_READBOX_EXIT( 0 );
1963 for( unsigned int i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1965 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1966 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1967 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1971 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1972 p_box->data.p_stsc->i_entry_count );
1975 MP4_READBOX_EXIT( 1 );
1978 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1980 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1982 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1984 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1986 p_box->data.p_co64->i_chunk_offset =
1987 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
1988 if( p_box->data.p_co64->i_chunk_offset == NULL )
1989 MP4_READBOX_EXIT( 0 );
1991 for( unsigned int i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1993 if( p_box->i_type == ATOM_stco )
1999 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2007 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2012 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
2013 p_box->data.p_co64->i_entry_count );
2016 MP4_READBOX_EXIT( 1 );
2019 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
2021 FREENULL( p_box->data.p_co64->i_chunk_offset );
2024 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
2026 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
2028 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
2030 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
2032 p_box->data.p_stss->i_sample_number =
2033 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
2034 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
2035 MP4_READBOX_EXIT( 0 );
2037 for( unsigned int i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
2040 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
2041 /* XXX in libmp4 sample begin at 0 */
2042 p_box->data.p_stss->i_sample_number[i]--;
2046 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
2047 p_box->data.p_stss->i_entry_count );
2050 MP4_READBOX_EXIT( 1 );
2053 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
2055 FREENULL( p_box->data.p_stss->i_sample_number );
2058 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
2060 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
2061 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
2064 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
2066 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
2068 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
2071 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
2073 p_box->data.p_stsh->i_shadowed_sample_number =
2074 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2075 p_box->data.p_stsh->i_sync_sample_number =
2076 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2078 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
2079 || p_box->data.p_stsh->i_sync_sample_number == NULL )
2081 MP4_READBOX_EXIT( 0 );
2084 for( unsigned i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
2086 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
2087 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
2091 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
2092 p_box->data.p_stsh->i_entry_count );
2094 MP4_READBOX_EXIT( 1 );
2098 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
2100 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
2102 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
2104 p_box->data.p_stdp->i_priority =
2105 calloc( i_read / 2, sizeof(uint16_t) );
2107 if( unlikely( !p_box->data.p_stdp->i_priority ) )
2108 MP4_READBOX_EXIT( 0 );
2110 for( unsigned i = 0; i < i_read / 2 ; i++ )
2112 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
2116 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2120 MP4_READBOX_EXIT( 1 );
2123 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
2125 FREENULL( p_box->data.p_stdp->i_priority );
2128 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
2130 FREENULL( p_box->data.p_padb->i_reserved1 );
2131 FREENULL( p_box->data.p_padb->i_pad2 );
2132 FREENULL( p_box->data.p_padb->i_reserved2 );
2133 FREENULL( p_box->data.p_padb->i_pad1 );
2136 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
2140 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
2142 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
2144 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
2145 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
2147 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
2148 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
2149 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
2150 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
2151 if( p_box->data.p_padb->i_reserved1 == NULL
2152 || p_box->data.p_padb->i_pad2 == NULL
2153 || p_box->data.p_padb->i_reserved2 == NULL
2154 || p_box->data.p_padb->i_pad1 == NULL )
2156 MP4_READBOX_EXIT( 0 );
2159 for( unsigned int i = 0; i < i_read / 2 ; i++ )
2163 MP4_READBOX_EXIT( 0 );
2165 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
2166 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
2167 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
2168 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
2170 p_peek += 1; i_read -= 1;
2174 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2178 MP4_READBOX_EXIT( 1 );
2181 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
2183 FREENULL( p_box->data.p_elst->i_segment_duration );
2184 FREENULL( p_box->data.p_elst->i_media_time );
2185 FREENULL( p_box->data.p_elst->i_media_rate_integer );
2186 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
2189 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
2191 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
2193 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
2196 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
2198 p_box->data.p_elst->i_segment_duration =
2199 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2200 p_box->data.p_elst->i_media_time =
2201 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2202 p_box->data.p_elst->i_media_rate_integer =
2203 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2204 p_box->data.p_elst->i_media_rate_fraction =
2205 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2206 if( p_box->data.p_elst->i_segment_duration == NULL
2207 || p_box->data.p_elst->i_media_time == NULL
2208 || p_box->data.p_elst->i_media_rate_integer == NULL
2209 || p_box->data.p_elst->i_media_rate_fraction == NULL )
2211 MP4_READBOX_EXIT( 0 );
2215 for( unsigned i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
2217 if( p_box->data.p_elst->i_version == 1 )
2220 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
2222 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
2227 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
2229 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
2230 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
2233 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
2234 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
2238 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
2239 (unsigned long)p_box->data.p_elst->i_entry_count );
2241 MP4_READBOX_EXIT( 1 );
2244 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
2246 unsigned int i_language;
2248 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
2250 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
2252 i_language = GetWBE( p_peek );
2253 for( unsigned i = 0; i < 3; i++ )
2255 p_box->data.p_cprt->i_language[i] =
2256 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
2258 p_peek += 2; i_read -= 2;
2259 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
2262 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
2263 p_box->data.p_cprt->i_language[0],
2264 p_box->data.p_cprt->i_language[1],
2265 p_box->data.p_cprt->i_language[2],
2266 p_box->data.p_cprt->psz_notice );
2269 MP4_READBOX_EXIT( 1 );
2272 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
2274 FREENULL( p_box->data.p_cprt->psz_notice );
2278 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
2280 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
2282 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
2285 "read box: \"dcom\" compression algorithm : %4.4s",
2286 (char*)&p_box->data.p_dcom->i_algorithm );
2288 MP4_READBOX_EXIT( 1 );
2291 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
2293 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
2295 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
2297 p_box->data.p_cmvd->i_compressed_size = i_read;
2299 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
2300 MP4_READBOX_EXIT( 0 );
2302 /* now copy compressed data */
2303 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
2305 p_box->data.p_cmvd->b_compressed = 1;
2308 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
2309 p_box->data.p_cmvd->i_compressed_size );
2312 MP4_READBOX_EXIT( 1 );
2314 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
2316 FREENULL( p_box->data.p_cmvd->p_data );
2320 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
2326 stream_t *p_stream_memory;
2332 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
2335 if( !p_box->p_father ||
2336 ( p_box->p_father->i_type != ATOM_moov &&
2337 p_box->p_father->i_type != ATOM_foov ) )
2339 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
2343 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
2348 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
2349 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
2350 p_cmvd->data.p_cmvd->p_data == NULL )
2352 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
2356 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
2358 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
2359 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
2364 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
2368 /* decompress data */
2369 /* allocate a new buffer */
2370 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
2372 /* init default structures */
2373 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
2374 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
2375 z_data.next_out = p_data;
2376 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
2377 z_data.zalloc = (alloc_func)Z_NULL;
2378 z_data.zfree = (free_func)Z_NULL;
2379 z_data.opaque = (voidpf)Z_NULL;
2382 if( inflateInit( &z_data ) != Z_OK )
2384 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2390 i_result = inflate( &z_data, Z_NO_FLUSH );
2391 if( i_result != Z_OK && i_result != Z_STREAM_END )
2393 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2398 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
2400 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
2403 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
2406 if( inflateEnd( &z_data ) != Z_OK )
2408 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2412 free( p_cmvd->data.p_cmvd->p_data );
2413 p_cmvd->data.p_cmvd->p_data = p_data;
2414 p_cmvd->data.p_cmvd->b_compressed = 0;
2416 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
2418 /* now create a memory stream */
2420 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2421 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2423 /* and read uncompressd moov */
2424 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2426 stream_Delete( p_stream_memory );
2429 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2432 return p_box->data.p_cmov->p_moov ? 1 : 0;
2433 #endif /* HAVE_ZLIB_H */
2436 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2439 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2441 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2442 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2443 MP4_GET4BYTES( i_len );
2448 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2449 if( p_box->data.p_rdrf->psz_ref == NULL )
2450 MP4_READBOX_EXIT( 0 );
2453 for( unsigned i = 0; i < i_len; i++ )
2455 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2457 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2461 p_box->data.p_rdrf->psz_ref = NULL;
2466 "read box: \"rdrf\" type:%4.4s ref %s",
2467 (char*)&p_box->data.p_rdrf->i_ref_type,
2468 p_box->data.p_rdrf->psz_ref );
2470 MP4_READBOX_EXIT( 1 );
2473 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2475 FREENULL( p_box->data.p_rdrf->psz_ref );
2479 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2481 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2483 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2485 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2489 "read box: \"rmdr\" rate:%d",
2490 p_box->data.p_rmdr->i_rate );
2492 MP4_READBOX_EXIT( 1 );
2495 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2497 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2499 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2503 "read box: \"rmqu\" quality:%d",
2504 p_box->data.p_rmqu->i_quality );
2506 MP4_READBOX_EXIT( 1 );
2509 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2511 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2512 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2514 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2515 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2516 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2517 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2521 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2522 (char*)&p_box->data.p_rmvc->i_gestaltType,
2523 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2524 p_box->data.p_rmvc->i_checkType );
2527 MP4_READBOX_EXIT( 1 );
2530 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
2532 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2534 MP4_GETFOURCC( p_box->data.p_frma->i_type );
2537 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
2538 (char *)&p_box->data.p_frma->i_type );
2541 MP4_READBOX_EXIT( 1 );
2544 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
2546 MP4_READBOX_ENTER( MP4_Box_data_skcr_t );
2548 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
2549 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
2550 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
2553 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
2554 p_box->data.p_skcr->i_init,
2555 p_box->data.p_skcr->i_encr,
2556 p_box->data.p_skcr->i_decr );
2559 MP4_READBOX_EXIT( 1 );
2562 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2565 /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
2566 * so unless data decrypt itself by magic, there will be no playback,
2567 * but we never know... */
2568 msg_Warn( p_stream, "DRM protected streams are not supported." );
2572 static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
2574 MP4_READBOX_ENTER( MP4_Box_data_name_t );
2576 p_box->data.p_name->psz_text = malloc( p_box->i_size + 1 - 8 ); /* +\0, -name, -size */
2577 if( p_box->data.p_name->psz_text == NULL )
2578 MP4_READBOX_EXIT( 0 );
2580 memcpy( p_box->data.p_name->psz_text, p_peek, p_box->i_size - 8 );
2581 p_box->data.p_name->psz_text[p_box->i_size - 8] = '\0';
2584 msg_Dbg( p_stream, "read box: \"name\" text=`%s'",
2585 p_box->data.p_name->psz_text );
2587 MP4_READBOX_EXIT( 1 );
2590 static void MP4_FreeBox_name( MP4_Box_t *p_box )
2592 FREENULL( p_box->data.p_name->psz_text );
2595 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2599 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2601 p_box->data.p_0xa9xxx->psz_text = NULL;
2603 MP4_GET2BYTES( i16 );
2609 MP4_GET2BYTES( i16 );
2610 if( i_length >= i_read ) i_length = i_read + 1;
2612 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2613 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2614 MP4_READBOX_EXIT( 0 );
2617 memcpy( p_box->data.p_0xa9xxx->psz_text,
2619 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2623 "read box: \"c%3.3s\" text=`%s'",
2624 ((char*)&p_box->i_type + 1),
2625 p_box->data.p_0xa9xxx->psz_text );
2630 /* try iTune/Quicktime format, rewind to start */
2631 p_peek -= 2; i_read += 2;
2632 // we are expecting a 'data' box
2633 uint32_t i_data_len;
2634 uint32_t i_data_tag;
2636 MP4_GET4BYTES( i_data_len );
2637 if( i_data_len > i_read ) i_data_len = i_read;
2638 MP4_GETFOURCC( i_data_tag );
2639 if( (i_data_len > 0) && (i_data_tag == ATOM_data) )
2641 /* data box contains a version/flags field */
2643 uint32_t i_reserved;
2644 MP4_GET4BYTES( i_version );
2645 MP4_GET4BYTES( i_reserved );
2646 // version should be 0, flags should be 1 for text, 0 for data
2647 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2649 // the rest is the text
2651 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2652 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2653 MP4_READBOX_EXIT( 0 );
2655 memcpy( p_box->data.p_0xa9xxx->psz_text,
2656 p_peek, i_data_len );
2657 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2660 "read box: \"c%3.3s\" text=`%s'",
2661 ((char*)&p_box->i_type+1),
2662 p_box->data.p_0xa9xxx->psz_text );
2667 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2672 MP4_READBOX_EXIT( 1 );
2674 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2676 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2679 /* Chapter support */
2680 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2682 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2683 for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
2684 free( p_chpl->chapter[i].psz_name );
2687 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2689 MP4_Box_data_chpl_t *p_chpl;
2692 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2694 p_chpl = p_box->data.p_chpl;
2696 MP4_GETVERSIONFLAGS( p_chpl );
2698 MP4_GET4BYTES( i_dummy );
2700 MP4_GET1BYTE( p_chpl->i_chapter );
2702 for( i = 0; i < p_chpl->i_chapter; i++ )
2707 MP4_GET8BYTES( i_start );
2708 MP4_GET1BYTE( i_len );
2710 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2711 if( !p_chpl->chapter[i].psz_name )
2712 MP4_READBOX_EXIT( 0 );
2714 i_copy = __MIN( i_len, i_read );
2716 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2717 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2718 p_chpl->chapter[i].i_start = i_start;
2723 /* Bubble sort by increasing start date */
2726 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2728 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2730 char *psz = p_chpl->chapter[i+1].psz_name;
2731 int64_t i64 = p_chpl->chapter[i+1].i_start;
2733 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2734 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2736 p_chpl->chapter[i].psz_name = psz;
2737 p_chpl->chapter[i].i_start = i64;
2746 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2747 p_chpl->i_chapter );
2749 MP4_READBOX_EXIT( 1 );
2752 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2754 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2756 p_box->data.p_tref_generic->i_track_ID = NULL;
2757 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2758 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2759 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
2760 if( p_box->data.p_tref_generic->i_track_ID == NULL )
2761 MP4_READBOX_EXIT( 0 );
2763 for( unsigned i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2765 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2768 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2769 p_box->data.p_tref_generic->i_entry_count );
2772 MP4_READBOX_EXIT( 1 );
2774 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2776 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2779 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2781 uint8_t meta_data[8];
2782 int i_actually_read;
2784 // skip over box header
2785 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2786 if( i_actually_read < 8 )
2789 /* meta content starts with a 4 byte version/flags value (should be 0) */
2790 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2791 if( i_actually_read < 4 )
2794 /* then it behaves like a container */
2795 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2798 static int MP4_ReadBox_iods( stream_t *p_stream, MP4_Box_t *p_box )
2802 MP4_READBOX_ENTER( MP4_Box_data_iods_t );
2803 MP4_GETVERSIONFLAGS( p_box->data.p_iods );
2805 MP4_GET1BYTE( i_unused ); /* tag */
2806 MP4_GET1BYTE( i_unused ); /* length */
2808 MP4_GET2BYTES( p_box->data.p_iods->i_object_descriptor ); /* 10bits, 6 other bits
2809 are used for other flags */
2810 MP4_GET1BYTE( p_box->data.p_iods->i_OD_profile_level );
2811 MP4_GET1BYTE( p_box->data.p_iods->i_scene_profile_level );
2812 MP4_GET1BYTE( p_box->data.p_iods->i_audio_profile_level );
2813 MP4_GET1BYTE( p_box->data.p_iods->i_visual_profile_level );
2814 MP4_GET1BYTE( p_box->data.p_iods->i_graphics_profile_level );
2818 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
2819 "visual: %i, graphics: %i",
2820 p_box->data.p_iods->i_object_descriptor >> 6,
2821 p_box->data.p_iods->i_OD_profile_level,
2822 p_box->data.p_iods->i_scene_profile_level,
2823 p_box->data.p_iods->i_audio_profile_level,
2824 p_box->data.p_iods->i_visual_profile_level,
2825 p_box->data.p_iods->i_graphics_profile_level );
2828 MP4_READBOX_EXIT( 1 );
2831 static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
2833 MP4_READBOX_ENTER( MP4_Box_data_pasp_t );
2835 MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
2836 MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
2840 "read box: \"paps\" %dx%d",
2841 p_box->data.p_pasp->i_horizontal_spacing,
2842 p_box->data.p_pasp->i_vertical_spacing);
2845 MP4_READBOX_EXIT( 1 );
2848 static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
2850 MP4_READBOX_ENTER( MP4_Box_data_mehd_t );
2852 MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
2853 if( p_box->data.p_mehd->i_version == 1 )
2854 MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
2855 else /* version == 0 */
2856 MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
2860 "read box: \"mehd\" frag dur. %"PRIu64"",
2861 p_box->data.p_mehd->i_fragment_duration );
2864 MP4_READBOX_EXIT( 1 );
2867 static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
2869 MP4_READBOX_ENTER( MP4_Box_data_trex_t );
2870 MP4_GETVERSIONFLAGS( p_box->data.p_trex );
2872 MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
2873 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
2874 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
2875 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
2876 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
2880 "read box: \"trex\" trackID: %"PRIu32"",
2881 p_box->data.p_trex->i_track_ID );
2884 MP4_READBOX_EXIT( 1 );
2887 static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
2889 uint32_t i_sample_count;
2890 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t );
2891 MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
2892 MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
2893 i_sample_count = i_read;
2895 p_sdtp->p_sample_table = calloc( i_sample_count, 1 );
2897 if( !p_sdtp->p_sample_table )
2898 MP4_READBOX_EXIT( 0 );
2900 for( uint32_t i = 0; i < i_sample_count; i++ )
2901 MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
2904 msg_Dbg( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
2906 "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
2907 p_sdtp->p_sample_table[0],
2908 p_sdtp->p_sample_table[1],
2909 p_sdtp->p_sample_table[2],
2910 p_sdtp->p_sample_table[3] );
2913 MP4_READBOX_EXIT( 1 );
2916 static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
2918 FREENULL( p_box->data.p_sdtp->p_sample_table );
2921 static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
2923 MP4_READBOX_ENTER( MP4_Box_data_mfro_t );
2925 MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
2926 MP4_GET4BYTES( p_box->data.p_mfro->i_size );
2930 "read box: \"mfro\" size: %"PRIu32"",
2931 p_box->data.p_mfro->i_size);
2934 MP4_READBOX_EXIT( 1 );
2937 static int MP4_ReadBox_tfra( stream_t *p_stream, MP4_Box_t *p_box )
2939 uint32_t i_number_of_entries;
2940 MP4_READBOX_ENTER( MP4_Box_data_tfra_t );
2941 MP4_Box_data_tfra_t *p_tfra = p_box->data.p_tfra;
2942 MP4_GETVERSIONFLAGS( p_box->data.p_tfra );
2944 MP4_GET4BYTES( p_tfra->i_track_ID );
2945 uint32_t i_lengths = 0;
2946 MP4_GET4BYTES( i_lengths );
2947 MP4_GET4BYTES( p_tfra->i_number_of_entries );
2948 i_number_of_entries = p_tfra->i_number_of_entries;
2949 p_tfra->i_length_size_of_traf_num = i_lengths >> 4;
2950 p_tfra->i_length_size_of_trun_num = ( i_lengths & 0x0c ) >> 2;
2951 p_tfra->i_length_size_of_sample_num = i_lengths & 0x03;
2953 size_t size = 4 + 4*p_tfra->i_version; /* size in {4, 8} */
2954 p_tfra->p_time = calloc( i_number_of_entries, size );
2955 p_tfra->p_moof_offset = calloc( i_number_of_entries, size );
2957 size = 1 + p_tfra->i_length_size_of_traf_num; /* size in [|1, 4|] */
2958 p_tfra->p_traf_number = calloc( i_number_of_entries, size );
2959 size = 1 + p_tfra->i_length_size_of_trun_num;
2960 p_tfra->p_trun_number = calloc( i_number_of_entries, size );
2961 size = 1 + p_tfra->i_length_size_of_sample_num;
2962 p_tfra->p_sample_number = calloc( i_number_of_entries, size );
2964 if( !p_tfra->p_time || !p_tfra->p_moof_offset || !p_tfra->p_traf_number
2965 || !p_tfra->p_trun_number || !p_tfra->p_sample_number )
2968 for( uint32_t i = 0; i < i_number_of_entries; i++ )
2970 if( p_tfra->i_version == 1 )
2972 MP4_GET8BYTES( p_tfra->p_time[i*2] );
2973 MP4_GET8BYTES( p_tfra->p_moof_offset[i*2] );
2977 MP4_GET4BYTES( p_tfra->p_time[i] );
2978 MP4_GET4BYTES( p_tfra->p_moof_offset[i] );
2980 switch (p_tfra->i_length_size_of_traf_num)
2983 MP4_GET1BYTE( p_tfra->p_traf_number[i] );
2986 MP4_GET2BYTES( p_tfra->p_traf_number[i*2] );
2989 MP4_GET3BYTES( p_tfra->p_traf_number[i*3] );
2992 MP4_GET4BYTES( p_tfra->p_traf_number[i*4] );
2998 switch (p_tfra->i_length_size_of_trun_num)
3001 MP4_GET1BYTE( p_tfra->p_trun_number[i] );
3004 MP4_GET2BYTES( p_tfra->p_trun_number[i*2] );
3007 MP4_GET3BYTES( p_tfra->p_trun_number[i*3] );
3010 MP4_GET4BYTES( p_tfra->p_trun_number[i*4] );
3016 switch (p_tfra->i_length_size_of_sample_num)
3019 MP4_GET1BYTE( p_tfra->p_sample_number[i] );
3022 MP4_GET2BYTES( p_tfra->p_sample_number[i*2] );
3025 MP4_GET3BYTES( p_tfra->p_sample_number[i*3] );
3028 MP4_GET4BYTES( p_tfra->p_sample_number[i*4] );
3036 if( p_tfra->i_version == 0 )
3038 msg_Dbg( p_stream, "time[0]: %"PRIu32", moof_offset[0]: %"PRIx32"",
3039 p_tfra->p_time[0], p_tfra->p_moof_offset[0] );
3041 msg_Dbg( p_stream, "time[1]: %"PRIu32", moof_offset[1]: %"PRIx32"",
3042 p_tfra->p_time[1], p_tfra->p_moof_offset[1] );
3046 msg_Dbg( p_stream, "time[0]: %"PRIu64", moof_offset[0]: %"PRIx64"",
3047 ((uint64_t *)(p_tfra->p_time))[0],
3048 ((uint64_t *)(p_tfra->p_moof_offset))[0] );
3050 msg_Dbg( p_stream, "time[1]: %"PRIu64", moof_offset[1]: %"PRIx64"",
3051 ((uint64_t *)(p_tfra->p_time))[1],
3052 ((uint64_t *)(p_tfra->p_moof_offset))[1] );
3055 msg_Dbg( p_stream, "number_of_entries is %"PRIu32"", i_number_of_entries );
3056 msg_Dbg( p_stream, "track ID is: %"PRIu32"", p_tfra->i_track_ID );
3059 MP4_READBOX_EXIT( 1 );
3061 MP4_READBOX_EXIT( 0 );
3064 static void MP4_FreeBox_tfra( MP4_Box_t *p_box )
3066 FREENULL( p_box->data.p_tfra->p_time );
3067 FREENULL( p_box->data.p_tfra->p_moof_offset );
3068 FREENULL( p_box->data.p_tfra->p_traf_number );
3069 FREENULL( p_box->data.p_tfra->p_trun_number );
3070 FREENULL( p_box->data.p_tfra->p_sample_number );
3075 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
3077 if( !p_box->p_father )
3081 if( p_box->p_father->i_type == ATOM_stsd )
3083 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
3086 if( p_mdia == NULL || p_mdia->i_type != ATOM_mdia ||
3087 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
3091 switch( p_hdlr->data.p_hdlr->i_handler_type )
3094 return MP4_ReadBox_sample_soun( p_stream, p_box );
3096 return MP4_ReadBox_sample_vide( p_stream, p_box );
3098 return MP4_ReadBox_sample_text( p_stream, p_box );
3101 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
3104 "unknown handler type in stsd (incompletely loaded)" );
3110 if MP4_BOX_TYPE_ASCII()
3112 "unknown box type %4.4s (incompletely loaded)",
3113 (char*)&p_box->i_type );
3116 "unknown box type c%3.3s (incompletely loaded)",
3117 (char*)&p_box->i_type+1 );
3122 /**** ------------------------------------------------------------------- ****/
3123 /**** "Higher level" Functions ****/
3124 /**** ------------------------------------------------------------------- ****/
3129 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
3130 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
3131 } MP4_Box_Function [] =
3134 { ATOM_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3135 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3136 { ATOM_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3137 { ATOM_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3138 { ATOM_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3139 { ATOM_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3140 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3141 { ATOM_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3142 { ATOM_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3143 { ATOM_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3144 { ATOM_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3145 { ATOM_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3146 { ATOM_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3147 { ATOM_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3148 { ATOM_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3149 { ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3150 { ATOM_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3151 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3154 { ATOM_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
3155 { ATOM_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
3156 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
3157 { ATOM_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
3158 { ATOM_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
3159 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
3160 { ATOM_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
3161 { ATOM_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
3162 { ATOM_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
3163 { ATOM_url, MP4_ReadBox_url, MP4_FreeBox_url },
3164 { ATOM_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
3165 { ATOM_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
3166 { ATOM_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
3167 { ATOM_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
3168 { ATOM_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
3169 { ATOM_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
3170 { ATOM_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
3171 { ATOM_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
3172 { ATOM_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
3173 { ATOM_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
3174 { ATOM_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
3175 { ATOM_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
3176 { ATOM_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
3177 { ATOM_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
3178 { ATOM_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
3179 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
3180 { ATOM_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
3181 { ATOM_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
3182 { ATOM_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
3183 { ATOM_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common },
3184 { ATOM_dvc1, MP4_ReadBox_dvc1, MP4_FreeBox_Common },
3185 { ATOM_enda, MP4_ReadBox_enda, MP4_FreeBox_Common },
3186 { ATOM_gnre, MP4_ReadBox_gnre, MP4_FreeBox_Common },
3187 { ATOM_trkn, MP4_ReadBox_trkn, MP4_FreeBox_Common },
3188 { ATOM_iods, MP4_ReadBox_iods, MP4_FreeBox_Common },
3189 { ATOM_pasp, MP4_ReadBox_pasp, MP4_FreeBox_Common },
3191 /* Nothing to do with this box */
3192 { ATOM_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3193 { ATOM_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3194 { ATOM_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3195 { ATOM_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3198 { ATOM_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3199 { ATOM_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3200 { ATOM_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3201 { ATOM_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3202 { ATOM__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3203 { ATOM_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3204 { ATOM_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3205 { ATOM_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3206 { ATOM_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3207 { ATOM_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3208 { ATOM_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3209 { ATOM_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3210 { ATOM_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3211 { ATOM_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3212 { ATOM_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3213 { ATOM_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3214 { ATOM_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3215 { ATOM_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3216 { ATOM_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3217 { ATOM_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3218 { ATOM_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3219 { ATOM_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3220 { ATOM_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3222 { ATOM_drmi, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3223 { ATOM_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3224 { ATOM_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3225 { ATOM_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3226 { ATOM_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3227 { ATOM_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3228 { ATOM_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3229 { ATOM_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3230 { ATOM_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3231 { ATOM_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3232 { ATOM_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3233 { ATOM_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3234 { ATOM_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3235 { ATOM_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3236 { ATOM_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3237 { ATOM_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3238 { ATOM_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3239 { ATOM_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3240 { ATOM_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3241 { ATOM_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3242 { ATOM_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3243 { ATOM_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3244 { ATOM_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3245 { ATOM_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3247 { ATOM_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
3248 { ATOM_mjht, MP4_ReadBox_default, NULL },
3250 { ATOM_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3251 { ATOM_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3252 { ATOM_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3253 { ATOM_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3254 { ATOM_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3255 { ATOM_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3256 { ATOM_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3258 { ATOM_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3259 { ATOM_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3261 { ATOM_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3262 { ATOM_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3264 { ATOM_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
3266 /* XXX there is 2 box where we could find this entry stbl and tref*/
3267 { ATOM_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
3269 /* found in tref box */
3270 { ATOM_dpnd, MP4_ReadBox_default, NULL },
3271 { ATOM_ipir, MP4_ReadBox_default, NULL },
3272 { ATOM_mpod, MP4_ReadBox_default, NULL },
3273 { ATOM_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
3276 { ATOM_rtp, MP4_ReadBox_default, NULL },
3279 { ATOM_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
3280 { ATOM_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
3281 { ATOM_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
3282 { ATOM_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
3284 { ATOM_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3285 { ATOM_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3286 { ATOM_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3287 { ATOM_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
3288 { ATOM_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
3289 { ATOM_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
3290 { ATOM_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
3291 { ATOM_frma, MP4_ReadBox_frma, MP4_FreeBox_Common },
3292 { ATOM_skcr, MP4_ReadBox_skcr, MP4_FreeBox_Common },
3295 { ATOM_0xa9nam, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3296 { ATOM_0xa9aut, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3297 { ATOM_0xa9cpy, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3298 { ATOM_0xa9swr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3299 { ATOM_0xa9inf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3300 { ATOM_0xa9ART, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3301 { ATOM_0xa9dir, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3302 { ATOM_0xa9cmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3303 { ATOM_0xa9req, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3304 { ATOM_0xa9day, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3305 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3306 { ATOM_0xa9fmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3307 { ATOM_0xa9prd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3308 { ATOM_0xa9prf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3309 { ATOM_0xa9src, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3310 { ATOM_0xa9alb, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3311 { ATOM_0xa9dis, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3312 { ATOM_0xa9enc, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3313 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3314 { ATOM_0xa9trk, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3315 { ATOM_0xa9dsa, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3316 { ATOM_0xa9hst, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3317 { ATOM_0xa9url, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3318 { ATOM_0xa9ope, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3319 { ATOM_0xa9com, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3320 { ATOM_0xa9wrt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3321 { ATOM_0xa9too, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3322 { ATOM_0xa9wrn, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3323 { ATOM_0xa9mak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3324 { ATOM_0xa9mod, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3325 { ATOM_0xa9PRD, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3326 { ATOM_0xa9grp, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3327 { ATOM_0xa9lyr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3328 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3329 { ATOM_0xa9st3, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3330 { ATOM_0xa9ard, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3331 { ATOM_0xa9arg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3332 { ATOM_0xa9cak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3333 { ATOM_0xa9con, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3334 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3335 { ATOM_0xa9lnt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3336 { ATOM_0xa9phg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3337 { ATOM_0xa9pub, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3338 { ATOM_0xa9sne, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3339 { ATOM_0xa9sol, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3340 { ATOM_0xa9thx, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3341 { ATOM_0xa9xpd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3343 { ATOM_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
3345 /* iTunes/Quicktime meta info */
3346 { ATOM_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
3347 { ATOM_name, MP4_ReadBox_name, MP4_FreeBox_name },
3349 /* found in smoothstreaming */
3350 { ATOM_traf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3351 { ATOM_mfra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3352 { ATOM_mfhd, MP4_ReadBox_mfhd, MP4_FreeBox_Common },
3353 { ATOM_sidx, MP4_ReadBox_sidx, MP4_FreeBox_sidx },
3354 { ATOM_tfhd, MP4_ReadBox_tfhd, MP4_FreeBox_Common },
3355 { ATOM_trun, MP4_ReadBox_trun, MP4_FreeBox_trun },
3356 { ATOM_trex, MP4_ReadBox_trex, MP4_FreeBox_Common },
3357 { ATOM_mehd, MP4_ReadBox_mehd, MP4_FreeBox_Common },
3358 { ATOM_sdtp, MP4_ReadBox_sdtp, MP4_FreeBox_sdtp },
3359 { ATOM_tfra, MP4_ReadBox_tfra, MP4_FreeBox_tfra },
3360 { ATOM_mfro, MP4_ReadBox_mfro, MP4_FreeBox_Common },
3361 { ATOM_uuid, MP4_ReadBox_uuid, MP4_FreeBox_uuid },
3364 { 0, MP4_ReadBox_default, NULL }
3368 /*****************************************************************************
3369 * MP4_ReadBox : parse the actual box and the children
3370 * XXX : Do not go to the next box
3371 *****************************************************************************/
3372 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
3374 MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
3375 unsigned int i_index;
3380 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
3382 msg_Warn( p_stream, "cannot read one box" );
3386 if( !p_box->i_size )
3388 msg_Dbg( p_stream, "found an empty box (null size)" );
3392 p_box->p_father = p_father;
3394 /* Now search function to call */
3395 for( i_index = 0; ; i_index++ )
3397 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3398 ( MP4_Box_Function[i_index].i_type == 0 ) )
3404 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
3406 MP4_BoxFree( p_stream, p_box );
3413 /*****************************************************************************
3414 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
3416 *****************************************************************************/
3417 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
3419 unsigned int i_index;
3425 for( p_child = p_box->p_first; p_child != NULL; )
3429 p_next = p_child->p_next;
3430 MP4_BoxFree( s, p_child );
3434 /* Now search function to call */
3435 if( p_box->data.p_data )
3437 for( i_index = 0; ; i_index++ )
3439 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3440 ( MP4_Box_Function[i_index].i_type == 0 ) )
3445 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
3447 /* Should not happen */
3448 if MP4_BOX_TYPE_ASCII()
3450 "cannot free box %4.4s, type unknown",
3451 (char*)&p_box->i_type );
3454 "cannot free box c%3.3s, type unknown",
3455 (char*)&p_box->i_type+1 );
3459 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
3461 free( p_box->data.p_data );
3466 /* SmooBox is a very simple MP4 box, VLC specific, used only for the stream_filter to
3467 * send information to the demux. SmooBox is actually a simplified moov box (we wanted
3468 * to avoid the hassle of building a moov box at the stream_filter level) */
3469 MP4_Box_t *MP4_BoxGetSmooBox( stream_t *s )
3471 /* p_chunk is a virtual root container for the smoo box */
3475 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3476 if( unlikely( p_chunk == NULL ) )
3479 p_chunk->i_type = ATOM_root;
3480 p_chunk->i_shortsize = 1;
3482 p_smoo = MP4_ReadBox( s, p_chunk );
3483 if( !p_smoo || p_smoo->i_type != ATOM_uuid || CmpUUID( &p_smoo->i_uuid, &SmooBoxUUID ) )
3485 msg_Warn( s, "no smoo box found!");
3489 p_chunk->p_first = p_smoo;
3490 p_chunk->p_last = p_smoo;
3499 MP4_Box_t *MP4_BoxGetNextChunk( stream_t *s )
3501 /* p_chunk is a virtual root container for the moof and mdat boxes */
3503 MP4_Box_t *p_tmp_box = NULL;
3505 p_tmp_box = calloc( 1, sizeof( MP4_Box_t ) );
3506 if( unlikely( p_tmp_box == NULL ) )
3509 /* We might get a ftyp box or a SmooBox */
3510 MP4_ReadBoxCommon( s, p_tmp_box );
3512 if( (p_tmp_box->i_type == ATOM_uuid && !CmpUUID( &p_tmp_box->i_uuid, &SmooBoxUUID )) )
3515 return MP4_BoxGetSmooBox( s );
3517 else if( p_tmp_box->i_type == ATOM_ftyp )
3520 return MP4_BoxGetRoot( s );
3524 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3525 if( unlikely( p_chunk == NULL ) )
3528 p_chunk->i_type = ATOM_root;
3529 p_chunk->i_shortsize = 1;
3531 MP4_ReadBoxContainerChildren( s, p_chunk, ATOM_moof );
3536 /*****************************************************************************
3537 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
3538 *****************************************************************************
3539 * The first box is a virtual box "root" and is the father for all first
3540 * level boxes for the file, a sort of virtual contener
3541 *****************************************************************************/
3542 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
3548 p_root = malloc( sizeof( MP4_Box_t ) );
3549 if( p_root == NULL )
3553 p_root->i_type = ATOM_root;
3554 p_root->i_shortsize = 1;
3555 /* could be a DASH stream for exemple, 0 means unknown or infinite size */
3557 CreateUUID( &p_root->i_uuid, p_root->i_type );
3559 p_root->data.p_data = NULL;
3560 p_root->p_father = NULL;
3561 p_root->p_first = NULL;
3562 p_root->p_last = NULL;
3563 p_root->p_next = NULL;
3567 /* First get the moov */
3568 i_result = MP4_ReadBoxContainerChildren( p_stream, p_root, ATOM_moov );
3572 /* If there is a mvex box, it means fragmented MP4, and we're done */
3573 else if( MP4_BoxCount( p_root, "moov/mvex" ) > 0 )
3576 p_root->i_size = stream_Size( s );
3577 if( stream_Tell( s ) + 8 < stream_Size( s ) )
3579 /* Get the rest of the file */
3580 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
3589 /* check if there is a cmov, if so replace
3590 compressed moov by uncompressed one */
3591 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
3592 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
3593 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
3594 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
3596 /* rename the compressed moov as a box to skip */
3597 p_moov->i_type = ATOM_skip;
3599 /* get uncompressed p_moov */
3600 p_moov = p_cmov->data.p_cmov->p_moov;
3601 p_cmov->data.p_cmov->p_moov = NULL;
3603 /* make p_root father of this new moov */
3604 p_moov->p_father = p_root;
3606 /* insert this new moov box as first child of p_root */
3607 p_moov->p_next = p_root->p_first;
3608 p_root->p_first = p_moov;
3615 stream_Seek( p_stream, 0 );
3620 static void MP4_BoxDumpStructure_Internal( stream_t *s,
3621 MP4_Box_t *p_box, unsigned int i_level )
3627 if MP4_BOX_TYPE_ASCII()
3628 msg_Dbg( s, "dumping root Box \"%4.4s\"",
3629 (char*)&p_box->i_type );
3631 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
3632 (char*)&p_box->i_type+1 );
3637 if( i_level >= (sizeof(str) - 1)/4 )
3640 memset( str, ' ', sizeof(str) );
3641 for( unsigned i = 0; i < i_level; i++ )
3645 if( MP4_BOX_TYPE_ASCII() )
3646 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3648 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
3650 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3652 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
3653 msg_Dbg( s, "%s", str );
3655 p_child = p_box->p_first;
3658 MP4_BoxDumpStructure_Internal( s, p_child, i_level + 1 );
3659 p_child = p_child->p_next;
3663 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
3665 MP4_BoxDumpStructure_Internal( s, p_box, 0 );
3669 /*****************************************************************************
3670 *****************************************************************************
3672 ** High level methods to acces an MP4 file
3674 *****************************************************************************
3675 *****************************************************************************/
3676 static void get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
3679 if( !*ppsz_path[0] )
3685 i_len = strcspn( *ppsz_path, "/[" );
3686 if( !i_len && **ppsz_path == '/' )
3690 *ppsz_token = strndup( *ppsz_path, i_len );
3691 if( unlikely(!*ppsz_token) )
3694 *ppsz_path += i_len;
3696 if( **ppsz_path == '[' )
3699 *pi_number = strtol( *ppsz_path, NULL, 10 );
3700 while( **ppsz_path && **ppsz_path != ']' )
3704 if( **ppsz_path == ']' )
3713 while( **ppsz_path == '/' )
3719 static void MP4_BoxGet_Internal( MP4_Box_t **pp_result,
3720 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
3732 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
3735 if( !psz_path || !psz_path[0] )
3742 // fprintf( stderr, "path:'%s'\n", psz_path );
3743 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
3748 get_token( &psz_path, &psz_token, &i_number );
3749 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
3750 // psz_path,psz_token,i_number );
3758 if( !strcmp( psz_token, "/" ) )
3761 while( p_box && p_box->i_type != ATOM_root )
3763 p_box = p_box->p_father;
3771 if( !strcmp( psz_token, "." ) )
3776 if( !strcmp( psz_token, ".." ) )
3778 p_box = p_box->p_father;
3785 if( strlen( psz_token ) == 4 )
3788 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
3789 psz_token[2], psz_token[3] );
3790 p_box = p_box->p_first;
3797 if( p_box->i_type == i_fourcc )
3805 p_box = p_box->p_next;
3809 if( *psz_token == '\0' )
3811 p_box = p_box->p_first;
3823 p_box = p_box->p_next;
3828 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
3832 FREENULL( psz_token );
3844 /*****************************************************************************
3845 * MP4_BoxGet: find a box given a path relative to p_box
3846 *****************************************************************************
3847 * Path Format: . .. / as usual
3848 * [number] to specifie box number ex: trak[12]
3850 * ex: /moov/trak[12]
3852 *****************************************************************************/
3853 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
3856 MP4_Box_t *p_result;
3858 va_start( args, psz_fmt );
3859 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
3865 /*****************************************************************************
3866 * MP4_BoxCount: count box given a path relative to p_box
3867 *****************************************************************************
3868 * Path Format: . .. / as usual
3869 * [number] to specifie box number ex: trak[12]
3871 * ex: /moov/trak[12]
3873 *****************************************************************************/
3874 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
3878 MP4_Box_t *p_result, *p_next;
3880 va_start( args, psz_fmt );
3881 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
3889 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3891 if( p_next->i_type == p_result->i_type)