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 */
35 #include "languages.h"
39 * The input method HAS to be seekable
42 /* convert 16.16 fixed point to floating point */
43 static double conv_fx( int32_t fx ) {
49 /* some functions for mp4 encoding of variables */
51 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date, bool b_relative )
58 /* date begin at 1 jan 1904 */
60 i_date += ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
62 i_day = i_date / ( 60*60*24);
63 i_hour = ( i_date /( 60*60 ) ) % 60;
64 i_min = ( i_date / 60 ) % 60;
66 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
70 /*****************************************************************************
72 *****************************************************************************/
73 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
76 /*****************************************************************************
77 * MP4_ReadBoxCommon : Load only common parameters for all boxes
78 *****************************************************************************
79 * p_box need to be an already allocated MP4_Box_t, and all data
80 * will only be peek not read
82 * RETURN : 0 if it fail, 1 otherwise
83 *****************************************************************************/
84 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
87 const uint8_t *p_peek;
89 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
93 p_box->i_pos = stream_Tell( p_stream );
95 p_box->data.p_payload = NULL;
96 p_box->p_father = NULL;
97 p_box->p_first = NULL;
101 MP4_GET4BYTES( p_box->i_shortsize );
102 MP4_GETFOURCC( p_box->i_type );
104 /* Now special case */
106 if( p_box->i_shortsize == 1 )
108 /* get the true size on 64 bits */
109 MP4_GET8BYTES( p_box->i_size );
113 p_box->i_size = p_box->i_shortsize;
114 /* XXX size of 0 means that the box extends to end of file */
117 if( p_box->i_type == ATOM_uuid )
119 /* get extented type on 16 bytes */
120 GetUUID( &p_box->i_uuid, p_peek );
121 p_peek += 16; i_read -= 16;
125 CreateUUID( &p_box->i_uuid, p_box->i_type );
127 #ifdef MP4_ULTRA_VERBOSE
130 if MP4_BOX_TYPE_ASCII()
131 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64" %"PRId64,
132 (char*)&p_box->i_type, p_box->i_size, p_box->i_pos );
134 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
135 (char*)&p_box->i_type+1, p_box->i_size );
142 /*****************************************************************************
143 * MP4_NextBox : Go to the next box
144 *****************************************************************************
145 * if p_box == NULL, go to the next box in which we are( at the begining ).
146 *****************************************************************************/
147 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
153 MP4_ReadBoxCommon( p_stream, &box );
159 return 2; /* Box with infinite size */
162 if( p_box->p_father )
164 /* if father's size == 0, it means unknown or infinite size,
165 * and we skip the followong check */
166 if( p_box->p_father->i_size > 0 )
168 const off_t i_box_end = p_box->i_size + p_box->i_pos;
169 const off_t i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
171 /* check if it's within p-father */
172 if( i_box_end >= i_father_end )
174 if( i_box_end > i_father_end )
175 msg_Dbg( p_stream, "out of bound child" );
176 return 0; /* out of bound */
180 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
188 /*****************************************************************************
189 * For all known box a loader is given,
190 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
191 * after called one of theses functions, file position is unknown
192 * you need to call MP4_GotoBox to go where you want
193 *****************************************************************************/
194 int MP4_ReadBoxContainerChildren( stream_t *p_stream,
195 MP4_Box_t *p_container, uint32_t i_last_child )
199 /* Size of root container is set to 0 when unknown, for exemple
200 * with a DASH stream. In that case, we skip the following check */
201 if( p_container->i_size
202 && ( stream_Tell( p_stream ) + 8 >
203 (off_t)(p_container->i_pos + p_container->i_size) )
206 /* there is no box to load */
212 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
214 /* chain this box with the father and the other at same level */
215 if( !p_container->p_first ) p_container->p_first = p_box;
216 else p_container->p_last->p_next = p_box;
217 p_container->p_last = p_box;
219 if( p_box->i_type == i_last_child )
221 MP4_NextBox( p_stream, p_box );
225 } while( MP4_NextBox( p_stream, p_box ) == 1 );
230 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
232 return MP4_ReadBoxContainerChildren( p_stream, p_container, 0 );
235 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
237 if( p_container->i_size &&
238 ( p_container->i_size <= (size_t)mp4_box_headersize(p_container ) + 8 ) )
240 /* container is empty, 8 stand for the first header in this box */
245 stream_Seek( p_stream, p_container->i_pos +
246 mp4_box_headersize( p_container ) );
248 return MP4_ReadBoxContainerRaw( p_stream, p_container );
251 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
253 /* Up to now do nothing */
257 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
259 /* XXX sometime moov is hiden in a free box */
260 if( p_box->p_father &&
261 p_box->p_father->i_type == ATOM_root &&
262 p_box->i_type == ATOM_free )
264 const uint8_t *p_peek;
268 i_read = stream_Peek( p_stream, &p_peek, 44 );
270 p_peek += mp4_box_headersize( p_box ) + 4;
271 i_read -= mp4_box_headersize( p_box ) + 4;
275 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
277 if( i_fcc == ATOM_cmov || i_fcc == ATOM_mvhd )
279 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
281 p_box->i_type = ATOM_foov;
282 return MP4_ReadBoxContainer( p_stream, p_box );
288 #ifdef MP4_ULTRA_VERBOSE
289 if MP4_BOX_TYPE_ASCII()
290 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
292 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
297 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
299 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
301 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
302 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
304 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
306 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
307 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
310 if( unlikely( tab == NULL ) )
311 MP4_READBOX_EXIT( 0 );
313 for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
315 MP4_GETFOURCC( tab[i] );
320 p_box->data.p_ftyp->i_compatible_brands = NULL;
323 MP4_READBOX_EXIT( 1 );
326 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
328 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
332 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
335 char s_creation_time[128];
336 char s_modification_time[128];
337 char s_duration[128];
339 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
341 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
343 if( p_box->data.p_mvhd->i_version )
345 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
346 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
347 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
348 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
352 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
353 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
354 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
355 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
357 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
358 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
359 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
362 for( unsigned i = 0; i < 2; i++ )
364 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
366 for( unsigned i = 0; i < 9; i++ )
368 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
370 for( unsigned i = 0; i < 6; i++ )
372 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
375 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
379 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
380 MP4_ConvertDate2Str( s_modification_time,
381 p_box->data.p_mvhd->i_modification_time, false );
382 if( p_box->data.p_mvhd->i_rate )
384 MP4_ConvertDate2Str( s_duration,
385 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate, true );
391 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
394 (uint32_t)p_box->data.p_mvhd->i_timescale,
396 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
397 (float)p_box->data.p_mvhd->i_volume / 256 ,
398 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
400 MP4_READBOX_EXIT( 1 );
403 static int MP4_ReadBox_mfhd( stream_t *p_stream, MP4_Box_t *p_box )
405 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t );
407 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
409 MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
412 msg_Dbg( p_stream, "read box: \"mfhd\" sequence number %d",
413 p_box->data.p_mfhd->i_sequence_number );
415 MP4_READBOX_EXIT( 1 );
418 static int MP4_ReadBox_tfxd( stream_t *p_stream, MP4_Box_t *p_box )
420 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
422 MP4_Box_data_tfxd_t *p_tfxd_data = p_box->data.p_tfxd;
423 MP4_GETVERSIONFLAGS( p_tfxd_data );
425 if( p_tfxd_data->i_version == 0 )
427 MP4_GET4BYTES( p_tfxd_data->i_fragment_abs_time );
428 MP4_GET4BYTES( p_tfxd_data->i_fragment_duration );
432 MP4_GET8BYTES( p_tfxd_data->i_fragment_abs_time );
433 MP4_GET8BYTES( p_tfxd_data->i_fragment_duration );
437 msg_Dbg( p_stream, "read box: \"tfxd\" version %d, flags 0x%x, "\
438 "fragment duration %"PRIu64", fragment abs time %"PRIu64,
439 p_tfxd_data->i_version,
440 p_tfxd_data->i_flags,
441 p_tfxd_data->i_fragment_duration,
442 p_tfxd_data->i_fragment_abs_time
446 MP4_READBOX_EXIT( 1 );
449 static int MP4_ReadBox_tfrf( stream_t *p_stream, MP4_Box_t *p_box )
451 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
453 MP4_Box_data_tfrf_t *p_tfrf_data = p_box->data.p_tfrf;
454 MP4_GETVERSIONFLAGS( p_tfrf_data );
456 MP4_GET1BYTE( p_tfrf_data->i_fragment_count );
458 p_tfrf_data->p_tfrf_data_fields = calloc( p_tfrf_data->i_fragment_count,
459 sizeof( TfrfBoxDataFields_t ) );
460 if( !p_tfrf_data->p_tfrf_data_fields )
461 MP4_READBOX_EXIT( 0 );
463 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
465 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
466 if( p_tfrf_data->i_version == 0 )
468 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_abs_time );
469 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_duration );
473 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_abs_time );
474 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_duration );
479 msg_Dbg( p_stream, "read box: \"tfrf\" version %d, flags 0x%x, "\
480 "fragment count %"PRIu8, p_tfrf_data->i_version,
481 p_tfrf_data->i_flags, p_tfrf_data->i_fragment_count );
483 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
485 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
486 msg_Dbg( p_stream, "\"tfrf\" fragment duration %"PRIu64", "\
487 "fragment abs time %"PRIu64,
488 TfrfBoxDataField->i_fragment_duration,
489 TfrfBoxDataField->i_fragment_abs_time );
494 MP4_READBOX_EXIT( 1 );
497 static void MP4_FreeBox_tfrf( MP4_Box_t *p_box )
499 FREENULL( p_box->data.p_tfrf->p_tfrf_data_fields );
502 static int MP4_ReadBox_stra( stream_t *p_stream, MP4_Box_t *p_box )
504 MP4_READBOX_ENTER( MP4_Box_data_stra_t );
505 MP4_Box_data_stra_t *p_stra = p_box->data.p_stra;
508 VLC_UNUSED(i_reserved);
509 MP4_GET1BYTE( p_stra->i_es_cat );
510 MP4_GET1BYTE( i_reserved );
511 MP4_GET2BYTES( p_stra->i_track_ID );
513 MP4_GET4BYTES( p_stra->i_timescale );
514 MP4_GET8BYTES( p_stra->i_duration );
516 MP4_GET4BYTES( p_stra->FourCC );
517 MP4_GET4BYTES( p_stra->Bitrate );
518 MP4_GET4BYTES( p_stra->MaxWidth );
519 MP4_GET4BYTES( p_stra->MaxHeight );
520 MP4_GET4BYTES( p_stra->SamplingRate );
521 MP4_GET4BYTES( p_stra->Channels );
522 MP4_GET4BYTES( p_stra->BitsPerSample );
523 MP4_GET4BYTES( p_stra->AudioTag );
524 MP4_GET2BYTES( p_stra->nBlockAlign );
526 MP4_GET1BYTE( i_reserved );
527 MP4_GET1BYTE( i_reserved );
528 MP4_GET1BYTE( i_reserved );
529 MP4_GET1BYTE( p_stra->cpd_len );
530 if( p_stra->cpd_len > i_read )
532 p_stra->CodecPrivateData = malloc( p_stra->cpd_len );
533 if( unlikely( p_stra->CodecPrivateData == NULL ) )
535 memcpy( p_stra->CodecPrivateData, p_peek, p_stra->cpd_len );
538 msg_Dbg( p_stream, "es_cat is %"PRIu8", birate is %"PRIu32,
539 p_stra->i_es_cat, p_stra->Bitrate );
542 MP4_READBOX_EXIT( 1 );
544 MP4_READBOX_EXIT( 0 );
547 static void MP4_FreeBox_stra( MP4_Box_t *p_box )
549 FREENULL( p_box->data.p_stra->CodecPrivateData );
552 static int MP4_ReadBox_uuid( stream_t *p_stream, MP4_Box_t *p_box )
554 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
555 return MP4_ReadBox_tfrf( p_stream, p_box );
556 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
557 return MP4_ReadBox_tfxd( p_stream, p_box );
558 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
559 return MP4_ReadBoxContainer( p_stream, p_box );
560 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
561 return MP4_ReadBox_stra( p_stream, p_box );
563 msg_Warn( p_stream, "Unknown uuid type box" );
567 static void MP4_FreeBox_uuid( MP4_Box_t *p_box )
569 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
570 return MP4_FreeBox_tfrf( p_box );
571 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
572 return MP4_FreeBox_Common( p_box );
573 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
574 return MP4_FreeBox_Common( p_box );
575 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
576 return MP4_FreeBox_stra( p_box );
579 static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
581 MP4_READBOX_ENTER( MP4_Box_data_sidx_t );
583 MP4_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
584 MP4_GETVERSIONFLAGS( p_sidx_data );
586 MP4_GET4BYTES( p_sidx_data->i_reference_ID );
587 MP4_GET4BYTES( p_sidx_data->i_timescale );
589 if( p_sidx_data->i_version == 0 )
591 MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
592 MP4_GET4BYTES( p_sidx_data->i_first_offset );
596 MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
597 MP4_GET8BYTES( p_sidx_data->i_first_offset );
601 VLC_UNUSED(i_reserved);
602 MP4_GET2BYTES( i_reserved );
603 MP4_GET2BYTES( p_sidx_data->i_reference_count );
604 uint16_t i_count = p_sidx_data->i_reference_count;
606 p_sidx_data->p_items = calloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
608 for( unsigned i = 0; i < i_count; i++ )
610 MP4_GET4BYTES( tmp );
611 p_sidx_data->p_items[i].b_reference_type = (bool)((tmp & 0x80000000)>>24);
612 p_sidx_data->p_items[i].i_referenced_size = tmp & 0x7fffffff;
613 MP4_GET4BYTES( p_sidx_data->p_items[i].i_subsegment_duration );
615 MP4_GET4BYTES( tmp );
616 p_sidx_data->p_items[i].b_starts_with_SAP = (bool)((tmp & 0x80000000)>>24);
617 p_sidx_data->p_items[i].i_SAP_type = (tmp & 0x70000000)>>24;
618 p_sidx_data->p_items[i].i_SAP_delta_time = tmp & 0xfffffff;
622 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
623 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
624 "first subsegmt duration %"PRIu32,
625 p_sidx_data->i_version,
626 p_sidx_data->i_flags,
627 p_sidx_data->i_reference_ID,
628 p_sidx_data->i_timescale,
629 p_sidx_data->i_reference_count,
630 p_sidx_data->p_items[0].i_subsegment_duration
634 MP4_READBOX_EXIT( 1 );
637 static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
639 FREENULL( p_box->data.p_sidx->p_items );
642 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
644 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t );
646 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
648 if( p_box->data.p_tfhd->i_version != 0 )
650 msg_Warn( p_stream, "'tfhd' box with version != 0. "\
651 " Don't know what to do with that, please patch" );
652 MP4_READBOX_EXIT( 0 );
655 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
657 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
659 msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
660 "=> no samples for this time interval." );
661 p_box->data.p_tfhd->b_empty = true;
664 p_box->data.p_tfhd->b_empty = false;
666 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
667 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
668 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
669 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
670 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
671 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
672 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
673 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
674 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
675 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
678 char psz_base[128] = "\0";
679 char psz_desc[128] = "\0";
680 char psz_dura[128] = "\0";
681 char psz_size[128] = "\0";
682 char psz_flag[128] = "\0";
683 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
684 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
685 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
686 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
687 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
688 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
689 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
690 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
691 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
692 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
694 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
695 p_box->data.p_tfhd->i_version,
696 p_box->data.p_tfhd->i_flags,
697 p_box->data.p_tfhd->i_track_ID,
698 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
701 MP4_READBOX_EXIT( 1 );
704 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
706 MP4_READBOX_ENTER( MP4_Box_data_trun_t );
708 MP4_GETVERSIONFLAGS( p_box->data.p_trun );
710 MP4_GET4BYTES( p_box->data.p_trun->i_sample_count );
712 if( p_box->data.p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
713 MP4_GET4BYTES( p_box->data.p_trun->i_data_offset );
714 if( p_box->data.p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
715 MP4_GET4BYTES( p_box->data.p_trun->i_first_sample_flags );
717 p_box->data.p_trun->p_samples =
718 calloc( p_box->data.p_trun->i_sample_count, sizeof(MP4_descriptor_trun_sample_t) );
719 if ( p_box->data.p_trun->p_samples == NULL )
720 MP4_READBOX_EXIT( 0 );
722 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
724 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
725 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
726 MP4_GET4BYTES( p_sample->i_duration );
727 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
728 MP4_GET4BYTES( p_sample->i_size );
729 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
730 MP4_GET4BYTES( p_sample->i_flags );
731 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
732 MP4_GET4BYTES( p_sample->i_composition_time_offset );
736 msg_Dbg( p_stream, "read box: \"trun\" version %u flags 0x%x sample count %u",
737 p_box->data.p_trun->i_version,
738 p_box->data.p_trun->i_flags,
739 p_box->data.p_trun->i_sample_count );
741 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
743 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
744 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4u flags 0x%x "\
745 "duration %"PRIu32" size %"PRIu32" composition time offset %"PRIu32,
746 i, p_sample->i_flags, p_sample->i_duration,
747 p_sample->i_size, p_sample->i_composition_time_offset );
751 MP4_READBOX_EXIT( 1 );
754 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
756 FREENULL( p_box->data.p_trun->p_samples );
760 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
763 char s_creation_time[128];
764 char s_modification_time[128];
765 char s_duration[128];
767 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
769 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
771 if( p_box->data.p_tkhd->i_version )
773 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
774 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
775 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
776 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
777 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
781 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
782 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
783 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
784 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
785 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
788 for( unsigned i = 0; i < 2; i++ )
790 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
792 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
793 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
794 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
795 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
797 for( unsigned i = 0; i < 9; i++ )
799 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
801 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
802 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
804 double rotation; //angle in degrees to be rotated clockwise
805 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
806 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
808 int32_t *matrix = p_box->data.p_tkhd->i_matrix;
810 translate[0] = conv_fx(matrix[6]);
811 translate[1] = conv_fx(matrix[7]);
813 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
814 conv_fx(matrix[3]) * conv_fx(matrix[3]));
815 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
816 conv_fx(matrix[4]) * conv_fx(matrix[4]));
818 rotation = atan2(conv_fx(matrix[1]) / scale[1], conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
823 p_box->data.p_tkhd->f_rotation = rotation;
826 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
827 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time, false );
828 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration, true );
830 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. "
831 "Matrix: %i %i %i %i %i %i %i %i %i",
835 p_box->data.p_tkhd->i_track_ID,
836 p_box->data.p_tkhd->i_layer,
837 (float)p_box->data.p_tkhd->i_volume / 256 ,
843 (float)p_box->data.p_tkhd->i_width / BLOCK16x16,
844 (float)p_box->data.p_tkhd->i_height / BLOCK16x16,
845 p_box->data.p_tkhd->i_matrix[0],
846 p_box->data.p_tkhd->i_matrix[1],
847 p_box->data.p_tkhd->i_matrix[2],
848 p_box->data.p_tkhd->i_matrix[3],
849 p_box->data.p_tkhd->i_matrix[4],
850 p_box->data.p_tkhd->i_matrix[5],
851 p_box->data.p_tkhd->i_matrix[6],
852 p_box->data.p_tkhd->i_matrix[7],
853 p_box->data.p_tkhd->i_matrix[8] );
855 MP4_READBOX_EXIT( 1 );
859 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
863 char s_creation_time[128];
864 char s_modification_time[128];
865 char s_duration[128];
867 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
869 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
871 if( p_box->data.p_mdhd->i_version )
873 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
874 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
875 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
876 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
880 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
881 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
882 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
883 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
886 MP4_GET2BYTES( i_language );
887 decodeQtLanguageCode( i_language, p_box->data.p_mdhd->rgs_language,
888 &p_box->data.p_mdhd->b_mac_encoding );
890 MP4_GET2BYTES( p_box->data.p_mdhd->i_quality );
893 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time, false );
894 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time, false );
895 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration, true );
896 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %3.3s",
899 (uint32_t)p_box->data.p_mdhd->i_timescale,
901 (char*) &p_box->data.p_mdhd->rgs_language );
903 MP4_READBOX_EXIT( 1 );
907 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
910 VLC_UNUSED(i_reserved);
912 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
914 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
916 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
917 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
919 MP4_GET4BYTES( i_reserved );
920 MP4_GET4BYTES( i_reserved );
921 MP4_GET4BYTES( i_reserved );
922 p_box->data.p_hdlr->psz_name = NULL;
926 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
927 if( unlikely( psz == NULL ) )
928 MP4_READBOX_EXIT( 0 );
930 /* Yes, I love .mp4 :( */
931 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
936 MP4_GET1BYTE( i_len );
937 i_copy = __MIN( i_read, i_len );
939 memcpy( psz, p_peek, i_copy );
940 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
944 memcpy( psz, p_peek, i_read );
945 p_box->data.p_hdlr->psz_name[i_read] = '\0';
950 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
951 (char*)&p_box->data.p_hdlr->i_handler_type,
952 p_box->data.p_hdlr->psz_name );
955 MP4_READBOX_EXIT( 1 );
958 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
960 FREENULL( p_box->data.p_hdlr->psz_name );
963 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
965 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
967 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
969 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
970 for( unsigned i = 0; i < 3; i++ )
972 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
976 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
977 p_box->data.p_vmhd->i_graphics_mode,
978 p_box->data.p_vmhd->i_opcolor[0],
979 p_box->data.p_vmhd->i_opcolor[1],
980 p_box->data.p_vmhd->i_opcolor[2] );
982 MP4_READBOX_EXIT( 1 );
985 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
987 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
989 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
993 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
995 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
998 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
999 (float)p_box->data.p_smhd->i_balance / 256 );
1001 MP4_READBOX_EXIT( 1 );
1005 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
1007 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
1009 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
1011 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
1012 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
1014 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
1015 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
1017 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1020 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1021 p_box->data.p_hmhd->i_max_PDU_size,
1022 p_box->data.p_hmhd->i_avg_PDU_size,
1023 p_box->data.p_hmhd->i_max_bitrate,
1024 p_box->data.p_hmhd->i_avg_bitrate );
1026 MP4_READBOX_EXIT( 1 );
1029 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
1031 MP4_READBOX_ENTER( MP4_Box_data_url_t );
1033 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1034 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1037 msg_Dbg( p_stream, "read box: \"url\" url: %s",
1038 p_box->data.p_url->psz_location );
1041 MP4_READBOX_EXIT( 1 );
1045 static void MP4_FreeBox_url( MP4_Box_t *p_box )
1047 FREENULL( p_box->data.p_url->psz_location );
1050 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
1052 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
1054 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1056 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1057 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1060 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
1061 p_box->data.p_urn->psz_name,
1062 p_box->data.p_urn->psz_location );
1064 MP4_READBOX_EXIT( 1 );
1066 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
1068 FREENULL( p_box->data.p_urn->psz_name );
1069 FREENULL( p_box->data.p_urn->psz_location );
1073 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
1075 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1077 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1079 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1081 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1082 MP4_ReadBoxContainerRaw( p_stream, p_box );
1085 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
1086 p_box->data.p_dref->i_entry_count );
1089 MP4_READBOX_EXIT( 1 );
1092 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1094 FREENULL( p_box->data.p_stts->pi_sample_count );
1095 FREENULL( p_box->data.p_stts->pi_sample_delta );
1098 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1100 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1102 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1103 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1105 p_box->data.p_stts->pi_sample_count =
1106 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1107 p_box->data.p_stts->pi_sample_delta =
1108 calloc( p_box->data.p_stts->i_entry_count, sizeof(int32_t) );
1109 if( p_box->data.p_stts->pi_sample_count == NULL
1110 || p_box->data.p_stts->pi_sample_delta == NULL )
1112 MP4_READBOX_EXIT( 0 );
1116 for( ; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1118 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_count[i] );
1119 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_delta[i] );
1122 if ( i < p_box->data.p_stts->i_entry_count )
1123 p_box->data.p_stts->i_entry_count = i;
1126 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1127 p_box->data.p_stts->i_entry_count );
1130 MP4_READBOX_EXIT( 1 );
1134 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1136 FREENULL( p_box->data.p_ctts->pi_sample_count );
1137 FREENULL( p_box->data.p_ctts->pi_sample_offset );
1140 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1142 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1144 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1146 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1148 p_box->data.p_ctts->pi_sample_count =
1149 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1150 p_box->data.p_ctts->pi_sample_offset =
1151 calloc( p_box->data.p_ctts->i_entry_count, sizeof(int32_t) );
1152 if( ( p_box->data.p_ctts->pi_sample_count == NULL )
1153 || ( p_box->data.p_ctts->pi_sample_offset == NULL ) )
1155 MP4_READBOX_EXIT( 0 );
1159 for( ; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1161 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_count[i] );
1162 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_offset[i] );
1164 if ( i < p_box->data.p_ctts->i_entry_count )
1165 p_box->data.p_ctts->i_entry_count = i;
1168 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
1169 p_box->data.p_ctts->i_entry_count );
1172 MP4_READBOX_EXIT( 1 );
1176 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1179 unsigned int i_len = 0;
1186 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1187 } while( i_b&0x80 );
1192 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1194 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
1195 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1197 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1198 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1202 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1204 #define es_descriptor p_box->data.p_esds->es_descriptor
1206 unsigned int i_flags;
1207 unsigned int i_type;
1209 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1211 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1214 MP4_GET1BYTE( i_type );
1215 if( i_type == 0x03 ) /* MP4ESDescrTag ISO/IEC 14496-1 8.3.3 */
1217 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1220 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
1224 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1225 MP4_GET1BYTE( i_flags );
1226 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1227 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1228 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1230 es_descriptor.i_stream_priority = i_flags&0x1f;
1231 if( es_descriptor.b_stream_dependence )
1233 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1235 if( es_descriptor.b_url )
1239 MP4_GET1BYTE( i_len );
1240 i_len = __MIN(i_read, i_len);
1241 es_descriptor.psz_URL = malloc( i_len + 1 );
1242 if( es_descriptor.psz_URL )
1244 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1245 es_descriptor.psz_URL[i_len] = 0;
1252 es_descriptor.psz_URL = NULL;
1254 if( es_descriptor.b_OCRstream )
1256 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1258 MP4_GET1BYTE( i_type ); /* get next type */
1261 if( i_type != 0x04)/* MP4DecConfigDescrTag ISO/IEC 14496-1 8.3.4 */
1263 es_descriptor.p_decConfigDescr = NULL;
1264 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1267 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1270 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
1274 es_descriptor.p_decConfigDescr =
1275 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1276 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1277 MP4_READBOX_EXIT( 0 );
1279 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectProfileIndication );
1280 MP4_GET1BYTE( i_flags );
1281 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1282 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1283 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1284 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1285 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1286 MP4_GET1BYTE( i_type );
1287 if( i_type != 0x05 )/* MP4DecSpecificDescrTag ISO/IEC 14496-1 8.3.5 */
1289 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1290 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1291 MP4_READBOX_EXIT( 1 );
1294 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1297 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
1300 if( i_len > i_read )
1301 MP4_READBOX_EXIT( 0 );
1303 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1304 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1305 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1306 MP4_READBOX_EXIT( 0 );
1308 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1311 MP4_READBOX_EXIT( 1 );
1312 #undef es_descriptor
1315 static void MP4_FreeBox_hvcC(MP4_Box_t *p_box )
1317 MP4_Box_data_hvcC_t *p_hvcC = p_box->data.p_hvcC;
1318 if( p_hvcC->i_hvcC > 0 ) FREENULL( p_hvcC->p_hvcC) ;
1321 static int MP4_ReadBox_hvcC( stream_t *p_stream, MP4_Box_t *p_box )
1323 MP4_Box_data_hvcC_t *p_hvcC;
1325 MP4_READBOX_ENTER( MP4_Box_data_hvcC_t );
1326 p_hvcC = p_box->data.p_hvcC;
1328 p_hvcC->i_hvcC = i_read;
1329 if( p_hvcC->i_hvcC > 0 )
1331 uint8_t * p = p_hvcC->p_hvcC = malloc( p_hvcC->i_hvcC );
1333 memcpy( p, p_peek, i_read );
1335 MP4_READBOX_EXIT( 1 );
1338 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1340 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1343 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1347 for( i = 0; i < p_avcC->i_sps; i++ )
1348 FREENULL( p_avcC->sps[i] );
1352 for( i = 0; i < p_avcC->i_pps; i++ )
1353 FREENULL( p_avcC->pps[i] );
1355 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1356 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1357 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1358 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1361 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1363 MP4_Box_data_avcC_t *p_avcC;
1366 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1367 p_avcC = p_box->data.p_avcC;
1369 p_avcC->i_avcC = i_read;
1370 if( p_avcC->i_avcC > 0 )
1372 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1374 memcpy( p, p_peek, i_read );
1377 MP4_GET1BYTE( p_avcC->i_version );
1378 MP4_GET1BYTE( p_avcC->i_profile );
1379 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1380 MP4_GET1BYTE( p_avcC->i_level );
1381 MP4_GET1BYTE( p_avcC->i_reserved1 );
1382 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1383 p_avcC->i_reserved1 >>= 2;
1385 MP4_GET1BYTE( p_avcC->i_reserved2 );
1386 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1387 p_avcC->i_reserved2 >>= 5;
1389 if( p_avcC->i_sps > 0 )
1391 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1392 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1394 if( !p_avcC->i_sps_length || !p_avcC->sps )
1397 for( i = 0; i < p_avcC->i_sps && i_read > 2; i++ )
1399 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1400 if ( p_avcC->i_sps_length[i] > i_read )
1402 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1403 if( p_avcC->sps[i] )
1404 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1406 p_peek += p_avcC->i_sps_length[i];
1407 i_read -= p_avcC->i_sps_length[i];
1409 if ( i != p_avcC->i_sps )
1413 MP4_GET1BYTE( p_avcC->i_pps );
1414 if( p_avcC->i_pps > 0 )
1416 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1417 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1419 if( !p_avcC->i_pps_length || !p_avcC->pps )
1422 for( i = 0; i < p_avcC->i_pps && i_read > 2; i++ )
1424 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1425 if( p_avcC->i_pps_length[i] > i_read )
1427 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1428 if( p_avcC->pps[i] )
1429 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1431 p_peek += p_avcC->i_pps_length[i];
1432 i_read -= p_avcC->i_pps_length[i];
1434 if ( i != p_avcC->i_pps )
1439 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1440 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1441 p_avcC->i_length_size,
1442 p_avcC->i_sps, p_avcC->i_pps );
1443 for( i = 0; i < p_avcC->i_sps; i++ )
1445 msg_Dbg( p_stream, " - sps[%d] length=%d",
1446 i, p_avcC->i_sps_length[i] );
1448 for( i = 0; i < p_avcC->i_pps; i++ )
1450 msg_Dbg( p_stream, " - pps[%d] length=%d",
1451 i, p_avcC->i_pps_length[i] );
1455 MP4_READBOX_EXIT( 1 );
1458 MP4_FreeBox_avcC( p_box );
1459 MP4_READBOX_EXIT( 0 );
1462 static int MP4_ReadBox_WMA2( stream_t *p_stream, MP4_Box_t *p_box )
1464 MP4_READBOX_ENTER( MP4_Box_data_WMA2_t );
1466 MP4_Box_data_WMA2_t *p_WMA2 = p_box->data.p_WMA2;
1468 MP4_GET2BYTESLE( p_WMA2->Format.wFormatTag );
1469 MP4_GET2BYTESLE( p_WMA2->Format.nChannels );
1470 MP4_GET4BYTESLE( p_WMA2->Format.nSamplesPerSec );
1471 MP4_GET4BYTESLE( p_WMA2->Format.nAvgBytesPerSec );
1472 MP4_GET2BYTESLE( p_WMA2->Format.nBlockAlign );
1473 MP4_GET2BYTESLE( p_WMA2->Format.wBitsPerSample );
1476 MP4_GET2BYTESLE( i_cbSize );
1478 if ( i_read < 0 || i_cbSize > i_read )
1481 p_WMA2->i_extra = i_cbSize;
1482 if ( p_WMA2->i_extra )
1484 p_WMA2->p_extra = malloc( p_WMA2->i_extra );
1485 if ( ! p_WMA2->p_extra )
1487 memcpy( p_WMA2->p_extra, p_peek, p_WMA2->i_extra );
1490 MP4_READBOX_EXIT( 1 );
1493 MP4_READBOX_EXIT( 0 );
1496 static void MP4_FreeBox_WMA2( MP4_Box_t *p_box )
1498 FREENULL( p_box->data.p_WMA2->p_extra );
1501 static int MP4_ReadBox_strf( stream_t *p_stream, MP4_Box_t *p_box )
1503 MP4_READBOX_ENTER( MP4_Box_data_strf_t );
1505 MP4_Box_data_strf_t *p_strf = p_box->data.p_strf;
1507 MP4_GET4BYTESLE( p_strf->bmiHeader.biSize );
1508 MP4_GET4BYTESLE( p_strf->bmiHeader.biWidth );
1509 MP4_GET4BYTESLE( p_strf->bmiHeader.biHeight );
1510 MP4_GET2BYTESLE( p_strf->bmiHeader.biPlanes );
1511 MP4_GET2BYTESLE( p_strf->bmiHeader.biBitCount );
1512 MP4_GETFOURCC( p_strf->bmiHeader.biCompression );
1513 MP4_GET4BYTESLE( p_strf->bmiHeader.biSizeImage );
1514 MP4_GET4BYTESLE( p_strf->bmiHeader.biXPelsPerMeter );
1515 MP4_GET4BYTESLE( p_strf->bmiHeader.biYPelsPerMeter );
1516 MP4_GET4BYTESLE( p_strf->bmiHeader.biClrUsed );
1517 MP4_GET4BYTESLE( p_strf->bmiHeader.biClrImportant );
1522 p_strf->i_extra = i_read;
1523 if ( p_strf->i_extra )
1525 p_strf->p_extra = malloc( p_strf->i_extra );
1526 if ( ! p_strf->p_extra )
1528 memcpy( p_strf->p_extra, p_peek, i_read );
1531 MP4_READBOX_EXIT( 1 );
1534 MP4_READBOX_EXIT( 0 );
1537 static void MP4_FreeBox_strf( MP4_Box_t *p_box )
1539 FREENULL( p_box->data.p_strf->p_extra );
1542 static int MP4_ReadBox_ASF( stream_t *p_stream, MP4_Box_t *p_box )
1544 MP4_READBOX_ENTER( MP4_Box_data_ASF_t );
1546 MP4_Box_data_ASF_t *p_asf = p_box->data.p_asf;
1549 MP4_READBOX_EXIT( 0 );
1551 MP4_GET1BYTE( p_asf->i_stream_number );
1552 /* remaining is unknown */
1554 MP4_READBOX_EXIT( 1 );
1557 static int MP4_ReadBox_stsdext_chan( stream_t *p_stream, MP4_Box_t *p_box )
1559 MP4_READBOX_ENTER( MP4_Box_data_chan_t );
1560 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
1563 MP4_READBOX_EXIT( 0 );
1565 MP4_GET1BYTE( p_chan->i_version );
1566 MP4_GET3BYTES( p_chan->i_channels_flags );
1567 MP4_GET4BYTES( p_chan->layout.i_channels_layout_tag );
1568 MP4_GET4BYTES( p_chan->layout.i_channels_bitmap );
1569 MP4_GET4BYTES( p_chan->layout.i_channels_description_count );
1570 if ( i_read < p_chan->layout.i_channels_description_count * 24 )
1571 MP4_READBOX_EXIT( 0 );
1573 p_chan->layout.p_descriptions =
1574 malloc( p_chan->layout.i_channels_description_count * 24 );
1576 if ( !p_chan->layout.p_descriptions )
1577 MP4_READBOX_EXIT( 0 );
1579 for( uint32_t i=0; i<p_chan->layout.i_channels_description_count; i++ )
1581 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_label );
1582 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_flags );
1583 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[0] );
1584 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[1] );
1585 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[2] );
1590 "read box: \"chan\" flags=0x%x tag=0x%x bitmap=0x%x descriptions=%u",
1591 p_chan->i_channels_flags, p_chan->layout.i_channels_layout_tag,
1592 p_chan->layout.i_channels_bitmap, p_chan->layout.i_channels_description_count );
1594 MP4_READBOX_EXIT( 1 );
1597 static void MP4_FreeBox_stsdext_chan( MP4_Box_t *p_box )
1599 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
1600 free( p_chan->layout.p_descriptions );
1603 static int MP4_ReadBox_dec3( stream_t *p_stream, MP4_Box_t *p_box )
1605 MP4_READBOX_ENTER( MP4_Box_data_dec3_t );
1607 MP4_Box_data_dec3_t *p_dec3 = p_box->data.p_dec3;
1610 MP4_GET2BYTES( i_header );
1612 p_dec3->i_data_rate = i_header >> 3;
1613 p_dec3->i_num_ind_sub = (i_header & 0x7) + 1;
1614 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++) {
1615 MP4_GET3BYTES( i_header );
1616 p_dec3->stream[i].i_fscod = ( i_header >> 22 ) & 0x03;
1617 p_dec3->stream[i].i_bsid = ( i_header >> 17 ) & 0x01f;
1618 p_dec3->stream[i].i_bsmod = ( i_header >> 12 ) & 0x01f;
1619 p_dec3->stream[i].i_acmod = ( i_header >> 9 ) & 0x07;
1620 p_dec3->stream[i].i_lfeon = ( i_header >> 8 ) & 0x01;
1621 p_dec3->stream[i].i_num_dep_sub = (i_header >> 1) & 0x0f;
1622 if (p_dec3->stream[i].i_num_dep_sub) {
1623 MP4_GET1BYTE( p_dec3->stream[i].i_chan_loc );
1624 p_dec3->stream[i].i_chan_loc |= (i_header & 1) << 8;
1626 p_dec3->stream[i].i_chan_loc = 0;
1631 "read box: \"dec3\" bitrate %dkbps %d independant substreams",
1632 p_dec3->i_data_rate, p_dec3->i_num_ind_sub);
1634 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++)
1636 "\tstream %d: bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x "
1637 "num dependant subs=%d chan_loc=0x%x",
1638 i, p_dec3->stream[i].i_bsid, p_dec3->stream[i].i_bsmod, p_dec3->stream[i].i_acmod,
1639 p_dec3->stream[i].i_lfeon, p_dec3->stream[i].i_num_dep_sub, p_dec3->stream[i].i_chan_loc );
1641 MP4_READBOX_EXIT( 1 );
1644 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
1646 MP4_Box_data_dac3_t *p_dac3;
1647 MP4_READBOX_ENTER( MP4_Box_data_dac3_t );
1649 p_dac3 = p_box->data.p_dac3;
1652 MP4_GET3BYTES( i_header );
1654 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
1655 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
1656 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
1657 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
1658 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
1659 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
1663 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
1664 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 );
1666 MP4_READBOX_EXIT( 1 );
1669 static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
1671 MP4_Box_data_dvc1_t *p_dvc1;
1673 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t );
1674 p_dvc1 = p_box->data.p_dvc1;
1676 MP4_GET1BYTE( p_dvc1->i_profile_level ); /* profile is on 4bits, level 3bits */
1677 uint8_t i_profile = (p_dvc1->i_profile_level & 0xf0) >> 4;
1678 if( i_profile != 0x06 && i_profile != 0x0c )
1680 msg_Warn( p_stream, "unsupported VC-1 profile (%"PRIu8"), please report", i_profile );
1681 MP4_READBOX_EXIT( 0 );
1685 p_dvc1->i_vc1 = p_box->i_size - 7; /* Header + profile_level */
1687 if( p_dvc1->i_vc1 > 0 )
1689 uint8_t *p = p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 );
1691 memcpy( p, p_peek, i_read );
1696 "read box: \"dvc1\" profile=%"PRIu8" level=%i",
1697 i_profile, p_dvc1->i_profile_level & 0x0e >> 1 );
1700 MP4_READBOX_EXIT( 1 );
1703 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
1705 MP4_Box_data_enda_t *p_enda;
1706 MP4_READBOX_ENTER( MP4_Box_data_enda_t );
1708 p_enda = p_box->data.p_enda;
1710 MP4_GET2BYTES( p_enda->i_little_endian );
1714 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
1716 MP4_READBOX_EXIT( 1 );
1719 static int MP4_ReadBox_gnre( stream_t *p_stream, MP4_Box_t *p_box )
1721 MP4_Box_data_gnre_t *p_gnre;
1722 MP4_READBOX_ENTER( MP4_Box_data_gnre_t );
1724 p_gnre = p_box->data.p_gnre;
1726 uint32_t i_data_len;
1727 uint32_t i_data_tag;
1729 MP4_GET4BYTES( i_data_len );
1730 MP4_GETFOURCC( i_data_tag );
1731 if( i_data_len < 10 || i_data_tag != ATOM_data )
1732 MP4_READBOX_EXIT( 0 );
1735 VLC_UNUSED(i_version);
1736 uint32_t i_reserved;
1737 VLC_UNUSED(i_reserved);
1738 MP4_GET4BYTES( i_version );
1739 MP4_GET4BYTES( i_reserved );
1740 MP4_GET2BYTES( p_gnre->i_genre );
1741 if( p_gnre->i_genre == 0 )
1742 MP4_READBOX_EXIT( 0 );
1744 msg_Dbg( p_stream, "read box: \"gnre\" genre=%i", p_gnre->i_genre );
1747 MP4_READBOX_EXIT( 1 );
1750 static int MP4_ReadBox_trkn( stream_t *p_stream, MP4_Box_t *p_box )
1752 MP4_Box_data_trkn_t *p_trkn;
1753 MP4_READBOX_ENTER( MP4_Box_data_trkn_t );
1755 p_trkn = p_box->data.p_trkn;
1757 uint32_t i_data_len;
1758 uint32_t i_data_tag;
1760 MP4_GET4BYTES( i_data_len );
1761 MP4_GETFOURCC( i_data_tag );
1762 if( i_data_len < 12 || i_data_tag != ATOM_data )
1763 MP4_READBOX_EXIT( 0 );
1766 VLC_UNUSED(i_version);
1767 uint32_t i_reserved;
1768 VLC_UNUSED(i_reserved);
1769 MP4_GET4BYTES( i_version );
1770 MP4_GET4BYTES( i_reserved );
1771 MP4_GET2BYTES( i_reserved );
1772 MP4_GET2BYTES( p_trkn->i_track_number );
1774 msg_Dbg( p_stream, "read box: \"trkn\" number=%i", p_trkn->i_track_number );
1776 if( i_data_len > 15 )
1778 MP4_GET2BYTES( p_trkn->i_track_total );
1780 msg_Dbg( p_stream, "read box: \"trkn\" total=%i", p_trkn->i_track_total );
1784 MP4_READBOX_EXIT( 1 );
1787 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1789 p_box->i_handler = ATOM_soun;
1790 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1791 p_box->data.p_sample_soun->p_qt_description = NULL;
1793 /* Sanity check needed because the "wave" box does also contain an
1794 * "mp4a" box that we don't understand. */
1798 MP4_READBOX_EXIT( 1 );
1801 for( unsigned i = 0; i < 6 ; i++ )
1803 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1806 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1809 * XXX hack -> produce a copy of the nearly complete chunk
1811 p_box->data.p_sample_soun->i_qt_description = 0;
1812 p_box->data.p_sample_soun->p_qt_description = NULL;
1815 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1816 if( p_box->data.p_sample_soun->p_qt_description )
1818 p_box->data.p_sample_soun->i_qt_description = i_read;
1819 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1823 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1824 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1825 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1827 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1828 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1829 MP4_GET2BYTES( p_box->data.p_sample_soun->i_compressionid );
1830 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1831 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1832 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1834 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1836 /* SoundDescriptionV1 */
1837 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1838 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1839 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1840 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1844 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1845 "bytes/frame=%d bytes/sample=%d",
1846 p_box->data.p_sample_soun->i_sample_per_packet,
1847 p_box->data.p_sample_soun->i_bytes_per_packet,
1848 p_box->data.p_sample_soun->i_bytes_per_frame,
1849 p_box->data.p_sample_soun->i_bytes_per_sample );
1851 stream_Seek( p_stream, p_box->i_pos +
1852 mp4_box_headersize( p_box ) + 44 );
1854 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1856 /* SoundDescriptionV2 */
1857 double f_sample_rate;
1859 uint32_t i_channel, i_extoffset, i_dummy32;
1862 if ( p_box->data.p_sample_soun->i_channelcount != 0x3 ||
1863 p_box->data.p_sample_soun->i_samplesize != 0x0010 ||
1864 p_box->data.p_sample_soun->i_compressionid != 0xFFFE ||
1865 p_box->data.p_sample_soun->i_reserved3 != 0x0 ||
1866 p_box->data.p_sample_soun->i_sampleratehi != 0x1 ||//65536
1867 p_box->data.p_sample_soun->i_sampleratelo != 0x0 ) //remainder
1869 msg_Err( p_stream, "invalid stsd V2 box defaults" );
1870 MP4_READBOX_EXIT( 0 );
1874 MP4_GET4BYTES( i_extoffset ); /* offset to stsd extentions */
1875 MP4_GET8BYTES( i_dummy64 );
1876 memcpy( &f_sample_rate, &i_dummy64, 8 );
1877 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1878 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % BLOCK16x16;
1879 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / BLOCK16x16;
1881 MP4_GET4BYTES( i_channel );
1882 p_box->data.p_sample_soun->i_channelcount = i_channel;
1884 MP4_GET4BYTES( i_dummy32 );
1885 if ( i_dummy32 != 0x7F000000 )
1887 msg_Err( p_stream, "invalid stsd V2 box" );
1888 MP4_READBOX_EXIT( 0 );
1891 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbitsperchannel );
1892 MP4_GET4BYTES( p_box->data.p_sample_soun->i_formatflags );
1893 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbytesperaudiopacket );
1894 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
1897 msg_Dbg( p_stream, "read box: \"soun\" V2 rate=%f bitsperchannel=%u "
1898 "flags=%u bytesperpacket=%u lpcmframesperpacket=%u",
1900 p_box->data.p_sample_soun->i_constbitsperchannel,
1901 p_box->data.p_sample_soun->i_formatflags,
1902 p_box->data.p_sample_soun->i_constbytesperaudiopacket,
1903 p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
1905 if ( i_extoffset < p_box->i_size )
1906 stream_Seek( p_stream, p_box->i_pos + i_extoffset );
1908 stream_Seek( p_stream, p_box->i_pos + p_box->i_size );
1912 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1913 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1914 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1915 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1918 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1921 stream_Seek( p_stream, p_box->i_pos +
1922 mp4_box_headersize( p_box ) + 28 );
1925 if( p_box->i_type == ATOM_drms )
1927 msg_Warn( p_stream, "DRM protected streams are not supported." );
1928 MP4_READBOX_EXIT( 0 );
1931 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
1933 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1934 p_box->data.p_sample_soun->i_channelcount = 1;
1937 /* Loads extensions */
1938 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1941 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1942 "sample size %d sample rate %f",
1943 p_box->data.p_sample_soun->i_channelcount,
1944 p_box->data.p_sample_soun->i_samplesize,
1945 (float)p_box->data.p_sample_soun->i_sampleratehi +
1946 (float)p_box->data.p_sample_soun->i_sampleratelo / BLOCK16x16 );
1949 MP4_READBOX_EXIT( 1 );
1953 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1955 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1959 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1961 p_box->i_handler = ATOM_vide;
1962 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1964 for( unsigned i = 0; i < 6 ; i++ )
1966 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1969 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1972 * XXX hack -> produce a copy of the nearly complete chunk
1976 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1977 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
1978 MP4_READBOX_EXIT( 0 );
1979 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1980 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1985 p_box->data.p_sample_vide->i_qt_image_description = 0;
1986 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1989 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1990 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1991 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1993 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1994 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1996 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1997 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1999 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
2000 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
2002 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
2003 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
2006 MP4_READBOX_EXIT( 0 );
2007 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
2008 p_peek += 32; i_read -= 32;
2010 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
2011 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
2013 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 78);
2015 if( p_box->i_type == ATOM_drmi )
2017 msg_Warn( p_stream, "DRM protected streams are not supported." );
2018 MP4_READBOX_EXIT( 0 );
2021 MP4_ReadBoxContainerRaw( p_stream, p_box );
2024 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
2025 p_box->data.p_sample_vide->i_width,
2026 p_box->data.p_sample_vide->i_height,
2027 p_box->data.p_sample_vide->i_depth );
2030 MP4_READBOX_EXIT( 1 );
2034 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
2036 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
2039 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
2041 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
2042 MP4_ReadBoxContainerRaw( p_stream, p_box );
2046 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
2050 p_box->i_handler = ATOM_text;
2051 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
2053 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2054 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2056 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2058 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2063 /* FIXME search right signification */
2065 p_box->data.p_sample_text->i_justification_horizontal = 1;
2066 p_box->data.p_sample_text->i_justification_vertical = 1;
2068 case -1: // Flush Right
2069 p_box->data.p_sample_text->i_justification_horizontal = -1;
2070 p_box->data.p_sample_text->i_justification_vertical = -1;
2072 case -2: // Flush Left
2073 p_box->data.p_sample_text->i_justification_horizontal = 0;
2074 p_box->data.p_sample_text->i_justification_vertical = 0;
2076 case 0: // Flush Default
2078 p_box->data.p_sample_text->i_justification_horizontal = 1;
2079 p_box->data.p_sample_text->i_justification_vertical = -1;
2083 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
2084 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
2085 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
2086 p_box->data.p_sample_text->i_background_color[3] = 0xFF;
2088 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2089 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2090 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2091 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2094 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
2096 MP4_READBOX_EXIT( 1 );
2099 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
2101 p_box->i_handler = ATOM_text;
2102 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
2104 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2105 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2107 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2109 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2111 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
2112 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
2114 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
2115 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
2116 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
2117 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
2119 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2120 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2121 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2122 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2124 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved3 );
2126 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_id );
2127 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_face );
2128 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_size );
2129 MP4_GET4BYTES( p_box->data.p_sample_text->i_font_color );
2132 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
2134 MP4_READBOX_EXIT( 1 );
2139 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
2140 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
2142 FREENULL( p_box->data.p_sample_text->psz_text_name );
2147 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
2150 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
2152 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
2154 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
2156 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
2158 MP4_ReadBoxContainerRaw( p_stream, p_box );
2161 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
2162 p_box->data.p_stsd->i_entry_count );
2165 MP4_READBOX_EXIT( 1 );
2169 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
2171 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
2173 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
2175 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
2176 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
2178 if( p_box->data.p_stsz->i_sample_size == 0 )
2180 p_box->data.p_stsz->i_entry_size =
2181 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
2182 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
2183 MP4_READBOX_EXIT( 0 );
2185 for( unsigned int i = 0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
2187 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
2191 p_box->data.p_stsz->i_entry_size = NULL;
2194 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
2195 p_box->data.p_stsz->i_sample_size,
2196 p_box->data.p_stsz->i_sample_count );
2199 MP4_READBOX_EXIT( 1 );
2202 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
2204 FREENULL( p_box->data.p_stsz->i_entry_size );
2207 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
2209 FREENULL( p_box->data.p_stsc->i_first_chunk );
2210 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
2211 FREENULL( p_box->data.p_stsc->i_sample_description_index );
2214 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
2216 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
2218 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
2220 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
2222 p_box->data.p_stsc->i_first_chunk =
2223 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
2224 p_box->data.p_stsc->i_samples_per_chunk =
2225 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
2226 p_box->data.p_stsc->i_sample_description_index =
2227 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
2228 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
2229 || p_box->data.p_stsc->i_samples_per_chunk == NULL
2230 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
2232 MP4_READBOX_EXIT( 0 );
2235 for( unsigned int i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
2237 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
2238 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
2239 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
2243 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
2244 p_box->data.p_stsc->i_entry_count );
2247 MP4_READBOX_EXIT( 1 );
2250 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
2252 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
2254 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
2256 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
2258 p_box->data.p_co64->i_chunk_offset =
2259 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
2260 if( p_box->data.p_co64->i_chunk_offset == NULL )
2261 MP4_READBOX_EXIT( 0 );
2263 for( unsigned int i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
2265 if( p_box->i_type == ATOM_stco )
2271 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2279 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2284 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
2285 p_box->data.p_co64->i_entry_count );
2288 MP4_READBOX_EXIT( 1 );
2291 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
2293 FREENULL( p_box->data.p_co64->i_chunk_offset );
2296 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
2298 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
2300 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
2302 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
2304 p_box->data.p_stss->i_sample_number =
2305 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
2306 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
2307 MP4_READBOX_EXIT( 0 );
2310 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
2313 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
2314 /* XXX in libmp4 sample begin at 0 */
2315 p_box->data.p_stss->i_sample_number[i]--;
2317 if ( i < p_box->data.p_stss->i_entry_count )
2318 p_box->data.p_stss->i_entry_count = i;
2321 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
2322 p_box->data.p_stss->i_entry_count );
2325 MP4_READBOX_EXIT( 1 );
2328 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
2330 FREENULL( p_box->data.p_stss->i_sample_number );
2333 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
2335 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
2336 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
2339 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
2341 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
2343 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
2346 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
2348 p_box->data.p_stsh->i_shadowed_sample_number =
2349 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2350 p_box->data.p_stsh->i_sync_sample_number =
2351 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2353 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
2354 || p_box->data.p_stsh->i_sync_sample_number == NULL )
2356 MP4_READBOX_EXIT( 0 );
2360 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
2362 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
2363 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
2365 if ( i < p_box->data.p_stss->i_entry_count )
2366 p_box->data.p_stss->i_entry_count = i;
2369 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
2370 p_box->data.p_stsh->i_entry_count );
2372 MP4_READBOX_EXIT( 1 );
2376 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
2378 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
2380 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
2382 p_box->data.p_stdp->i_priority =
2383 calloc( i_read / 2, sizeof(uint16_t) );
2385 if( unlikely( !p_box->data.p_stdp->i_priority ) )
2386 MP4_READBOX_EXIT( 0 );
2388 for( unsigned i = 0; i < i_read / 2 ; i++ )
2390 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
2394 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2398 MP4_READBOX_EXIT( 1 );
2401 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
2403 FREENULL( p_box->data.p_stdp->i_priority );
2406 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
2408 FREENULL( p_box->data.p_padb->i_reserved1 );
2409 FREENULL( p_box->data.p_padb->i_pad2 );
2410 FREENULL( p_box->data.p_padb->i_reserved2 );
2411 FREENULL( p_box->data.p_padb->i_pad1 );
2414 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
2418 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
2420 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
2422 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
2423 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
2425 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
2426 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
2427 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
2428 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
2429 if( p_box->data.p_padb->i_reserved1 == NULL
2430 || p_box->data.p_padb->i_pad2 == NULL
2431 || p_box->data.p_padb->i_reserved2 == NULL
2432 || p_box->data.p_padb->i_pad1 == NULL )
2434 MP4_READBOX_EXIT( 0 );
2437 for( unsigned int i = 0; i < i_read / 2 ; i++ )
2441 MP4_READBOX_EXIT( 0 );
2443 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
2444 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
2445 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
2446 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
2448 p_peek += 1; i_read -= 1;
2452 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2456 MP4_READBOX_EXIT( 1 );
2459 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
2461 FREENULL( p_box->data.p_elst->i_segment_duration );
2462 FREENULL( p_box->data.p_elst->i_media_time );
2463 FREENULL( p_box->data.p_elst->i_media_rate_integer );
2464 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
2467 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
2469 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
2471 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
2474 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
2476 p_box->data.p_elst->i_segment_duration =
2477 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2478 p_box->data.p_elst->i_media_time =
2479 calloc( p_box->data.p_elst->i_entry_count, sizeof(int64_t) );
2480 p_box->data.p_elst->i_media_rate_integer =
2481 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2482 p_box->data.p_elst->i_media_rate_fraction =
2483 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2484 if( p_box->data.p_elst->i_segment_duration == NULL
2485 || p_box->data.p_elst->i_media_time == NULL
2486 || p_box->data.p_elst->i_media_rate_integer == NULL
2487 || p_box->data.p_elst->i_media_rate_fraction == NULL )
2489 MP4_READBOX_EXIT( 0 );
2493 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
2495 if( p_box->data.p_elst->i_version == 1 )
2499 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
2501 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
2507 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
2509 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
2510 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
2513 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
2514 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
2516 if ( i < p_box->data.p_elst->i_entry_count )
2517 p_box->data.p_elst->i_entry_count = i;
2519 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
2520 (unsigned long)p_box->data.p_elst->i_entry_count );
2522 MP4_READBOX_EXIT( 1 );
2525 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
2527 uint16_t i_language;
2530 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
2532 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
2534 MP4_GET2BYTES( i_language );
2535 decodeQtLanguageCode( i_language, p_box->data.p_cprt->rgs_language, &b_mac );
2537 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
2540 msg_Dbg( p_stream, "read box: \"cprt\" language %3.3s notice %s",
2541 p_box->data.p_cprt->rgs_language,
2542 p_box->data.p_cprt->psz_notice );
2545 MP4_READBOX_EXIT( 1 );
2548 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
2550 FREENULL( p_box->data.p_cprt->psz_notice );
2554 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
2556 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
2558 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
2561 "read box: \"dcom\" compression algorithm : %4.4s",
2562 (char*)&p_box->data.p_dcom->i_algorithm );
2564 MP4_READBOX_EXIT( 1 );
2567 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
2569 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
2571 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
2573 p_box->data.p_cmvd->i_compressed_size = i_read;
2575 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
2576 MP4_READBOX_EXIT( 0 );
2578 /* now copy compressed data */
2579 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
2581 p_box->data.p_cmvd->b_compressed = 1;
2584 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
2585 p_box->data.p_cmvd->i_compressed_size );
2588 MP4_READBOX_EXIT( 1 );
2590 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
2592 FREENULL( p_box->data.p_cmvd->p_data );
2596 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
2602 stream_t *p_stream_memory;
2608 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
2611 if( !p_box->p_father ||
2612 ( p_box->p_father->i_type != ATOM_moov &&
2613 p_box->p_father->i_type != ATOM_foov ) )
2615 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
2619 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
2624 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
2625 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
2626 p_cmvd->data.p_cmvd->p_data == NULL )
2628 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
2632 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
2634 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
2635 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
2640 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
2644 /* decompress data */
2645 /* allocate a new buffer */
2646 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
2648 /* init default structures */
2649 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
2650 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
2651 z_data.next_out = p_data;
2652 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
2653 z_data.zalloc = (alloc_func)Z_NULL;
2654 z_data.zfree = (free_func)Z_NULL;
2655 z_data.opaque = (voidpf)Z_NULL;
2658 if( inflateInit( &z_data ) != Z_OK )
2660 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2666 i_result = inflate( &z_data, Z_NO_FLUSH );
2667 if( i_result != Z_OK && i_result != Z_STREAM_END )
2669 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2674 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
2676 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
2679 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
2682 if( inflateEnd( &z_data ) != Z_OK )
2684 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2688 free( p_cmvd->data.p_cmvd->p_data );
2689 p_cmvd->data.p_cmvd->p_data = p_data;
2690 p_cmvd->data.p_cmvd->b_compressed = 0;
2692 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
2694 /* now create a memory stream */
2696 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2697 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2699 /* and read uncompressd moov */
2700 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2702 stream_Delete( p_stream_memory );
2705 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2708 return p_box->data.p_cmov->p_moov ? 1 : 0;
2709 #endif /* HAVE_ZLIB_H */
2712 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2715 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2717 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2718 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2719 MP4_GET4BYTES( i_len );
2724 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2725 if( p_box->data.p_rdrf->psz_ref == NULL )
2726 MP4_READBOX_EXIT( 0 );
2729 for( unsigned i = 0; i < i_len; i++ )
2731 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2733 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2737 p_box->data.p_rdrf->psz_ref = NULL;
2742 "read box: \"rdrf\" type:%4.4s ref %s",
2743 (char*)&p_box->data.p_rdrf->i_ref_type,
2744 p_box->data.p_rdrf->psz_ref );
2746 MP4_READBOX_EXIT( 1 );
2749 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2751 FREENULL( p_box->data.p_rdrf->psz_ref );
2755 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2757 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2759 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2761 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2765 "read box: \"rmdr\" rate:%d",
2766 p_box->data.p_rmdr->i_rate );
2768 MP4_READBOX_EXIT( 1 );
2771 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2773 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2775 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2779 "read box: \"rmqu\" quality:%d",
2780 p_box->data.p_rmqu->i_quality );
2782 MP4_READBOX_EXIT( 1 );
2785 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2787 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2788 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2790 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2791 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2792 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2793 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2797 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2798 (char*)&p_box->data.p_rmvc->i_gestaltType,
2799 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2800 p_box->data.p_rmvc->i_checkType );
2803 MP4_READBOX_EXIT( 1 );
2806 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
2808 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2810 MP4_GETFOURCC( p_box->data.p_frma->i_type );
2813 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
2814 (char *)&p_box->data.p_frma->i_type );
2817 MP4_READBOX_EXIT( 1 );
2820 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
2822 MP4_READBOX_ENTER( MP4_Box_data_skcr_t );
2824 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
2825 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
2826 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
2829 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
2830 p_box->data.p_skcr->i_init,
2831 p_box->data.p_skcr->i_encr,
2832 p_box->data.p_skcr->i_decr );
2835 MP4_READBOX_EXIT( 1 );
2838 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2841 /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
2842 * so unless data decrypt itself by magic, there will be no playback,
2843 * but we never know... */
2844 msg_Warn( p_stream, "DRM protected streams are not supported." );
2848 static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
2850 MP4_READBOX_ENTER( MP4_Box_data_name_t );
2852 p_box->data.p_name->psz_text = malloc( p_box->i_size + 1 - 8 ); /* +\0, -name, -size */
2853 if( p_box->data.p_name->psz_text == NULL )
2854 MP4_READBOX_EXIT( 0 );
2856 memcpy( p_box->data.p_name->psz_text, p_peek, p_box->i_size - 8 );
2857 p_box->data.p_name->psz_text[p_box->i_size - 8] = '\0';
2860 msg_Dbg( p_stream, "read box: \"name\" text=`%s'",
2861 p_box->data.p_name->psz_text );
2863 MP4_READBOX_EXIT( 1 );
2866 static void MP4_FreeBox_name( MP4_Box_t *p_box )
2868 FREENULL( p_box->data.p_name->psz_text );
2871 static int MP4_ReadBox_data( stream_t *p_stream, MP4_Box_t *p_box )
2873 MP4_READBOX_ENTER( MP4_Box_data_data_t );
2875 /* What's that header ?? */
2877 MP4_READBOX_EXIT( 0 );
2879 p_box->data.p_data->p_blob = malloc( i_read - 8 );
2880 if ( !p_box->data.p_data->p_blob )
2881 MP4_READBOX_EXIT( 0 );
2883 p_box->data.p_data->i_blob = i_read - 8;
2884 memcpy( p_box->data.p_data->p_blob, p_peek + 8, i_read - 8 );
2886 MP4_READBOX_EXIT( 1 );
2889 static void MP4_FreeBox_data( MP4_Box_t *p_box )
2891 free( p_box->data.p_data->p_blob );
2894 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2898 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2900 p_box->data.p_0xa9xxx->psz_text = NULL;
2902 MP4_GET2BYTES( i16 );
2908 MP4_GET2BYTES( i16 );
2909 if( i_length >= i_read ) i_length = i_read + 1;
2911 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2912 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2913 MP4_READBOX_EXIT( 0 );
2916 memcpy( p_box->data.p_0xa9xxx->psz_text,
2918 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2922 "read box: \"c%3.3s\" text=`%s'",
2923 ((char*)&p_box->i_type + 1),
2924 p_box->data.p_0xa9xxx->psz_text );
2929 /* try iTune/Quicktime format, rewind to start */
2930 p_peek -= 2; i_read += 2;
2931 // we are expecting a 'data' box
2932 uint32_t i_data_len;
2933 uint32_t i_data_tag;
2935 MP4_GET4BYTES( i_data_len );
2936 if( i_data_len > i_read ) i_data_len = i_read;
2937 MP4_GETFOURCC( i_data_tag );
2938 if( (i_data_len > 0) && (i_data_tag == ATOM_data) )
2940 /* data box contains a version/flags field */
2942 uint32_t i_reserved;
2943 VLC_UNUSED(i_reserved);
2944 MP4_GET4BYTES( i_version );
2945 MP4_GET4BYTES( i_reserved );
2946 // version should be 0, flags should be 1 for text, 0 for data
2947 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2949 // the rest is the text
2951 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2952 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2953 MP4_READBOX_EXIT( 0 );
2955 memcpy( p_box->data.p_0xa9xxx->psz_text,
2956 p_peek, i_data_len );
2957 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2960 "read box: \"c%3.3s\" text=`%s'",
2961 ((char*)&p_box->i_type+1),
2962 p_box->data.p_0xa9xxx->psz_text );
2967 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2972 MP4_READBOX_EXIT( 1 );
2974 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2976 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2979 /* Chapter support */
2980 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2982 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2983 for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
2984 free( p_chpl->chapter[i].psz_name );
2987 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2989 MP4_Box_data_chpl_t *p_chpl;
2991 VLC_UNUSED(i_dummy);
2993 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2995 p_chpl = p_box->data.p_chpl;
2997 MP4_GETVERSIONFLAGS( p_chpl );
2999 MP4_GET4BYTES( i_dummy );
3001 MP4_GET1BYTE( p_chpl->i_chapter );
3003 for( i = 0; i < p_chpl->i_chapter; i++ )
3008 MP4_GET8BYTES( i_start );
3009 MP4_GET1BYTE( i_len );
3011 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
3012 if( !p_chpl->chapter[i].psz_name )
3013 MP4_READBOX_EXIT( 0 );
3015 i_copy = __MIN( i_len, i_read );
3017 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
3018 p_chpl->chapter[i].psz_name[i_copy] = '\0';
3019 p_chpl->chapter[i].i_start = i_start;
3024 /* Bubble sort by increasing start date */
3027 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
3029 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
3031 char *psz = p_chpl->chapter[i+1].psz_name;
3032 int64_t i64 = p_chpl->chapter[i+1].i_start;
3034 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
3035 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
3037 p_chpl->chapter[i].psz_name = psz;
3038 p_chpl->chapter[i].i_start = i64;
3047 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
3048 p_chpl->i_chapter );
3050 MP4_READBOX_EXIT( 1 );
3053 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
3055 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
3057 p_box->data.p_tref_generic->i_track_ID = NULL;
3058 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
3059 if( p_box->data.p_tref_generic->i_entry_count > 0 )
3060 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
3061 if( p_box->data.p_tref_generic->i_track_ID == NULL )
3062 MP4_READBOX_EXIT( 0 );
3064 for( unsigned i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
3066 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
3069 msg_Dbg( p_stream, "read box: \"chap\" %d references",
3070 p_box->data.p_tref_generic->i_entry_count );
3073 MP4_READBOX_EXIT( 1 );
3075 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
3077 FREENULL( p_box->data.p_tref_generic->i_track_ID );
3080 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
3082 uint8_t meta_data[8];
3083 int i_actually_read;
3085 // skip over box header
3086 i_actually_read = stream_Read( p_stream, meta_data, 8 );
3087 if( i_actually_read < 8 )
3090 if ( !p_box->p_father )
3093 switch( p_box->p_father->i_type )
3095 case ATOM_udta: /* itunes udta/meta */
3096 /* meta content starts with a 4 byte version/flags value (should be 0) */
3097 i_actually_read = stream_Read( p_stream, meta_data, 4 );
3098 if( i_actually_read < 4 )
3101 /* then it behaves like a container */
3102 return MP4_ReadBoxContainerRaw( p_stream, p_box );
3104 default: /* regular meta atom */
3106 i_actually_read = stream_Read( p_stream, meta_data, 8 );
3107 if( i_actually_read < 8 )
3111 if ( VLC_FOURCC( meta_data[4], meta_data[5], meta_data[6], meta_data[7] ) != ATOM_hdlr )
3119 static int MP4_ReadBox_iods( stream_t *p_stream, MP4_Box_t *p_box )
3122 VLC_UNUSED(i_unused);
3124 MP4_READBOX_ENTER( MP4_Box_data_iods_t );
3125 MP4_GETVERSIONFLAGS( p_box->data.p_iods );
3127 MP4_GET1BYTE( i_unused ); /* tag */
3128 MP4_GET1BYTE( i_unused ); /* length */
3130 MP4_GET2BYTES( p_box->data.p_iods->i_object_descriptor ); /* 10bits, 6 other bits
3131 are used for other flags */
3132 MP4_GET1BYTE( p_box->data.p_iods->i_OD_profile_level );
3133 MP4_GET1BYTE( p_box->data.p_iods->i_scene_profile_level );
3134 MP4_GET1BYTE( p_box->data.p_iods->i_audio_profile_level );
3135 MP4_GET1BYTE( p_box->data.p_iods->i_visual_profile_level );
3136 MP4_GET1BYTE( p_box->data.p_iods->i_graphics_profile_level );
3140 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
3141 "visual: %i, graphics: %i",
3142 p_box->data.p_iods->i_object_descriptor >> 6,
3143 p_box->data.p_iods->i_OD_profile_level,
3144 p_box->data.p_iods->i_scene_profile_level,
3145 p_box->data.p_iods->i_audio_profile_level,
3146 p_box->data.p_iods->i_visual_profile_level,
3147 p_box->data.p_iods->i_graphics_profile_level );
3150 MP4_READBOX_EXIT( 1 );
3153 static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
3155 MP4_READBOX_ENTER( MP4_Box_data_pasp_t );
3157 MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
3158 MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
3162 "read box: \"paps\" %dx%d",
3163 p_box->data.p_pasp->i_horizontal_spacing,
3164 p_box->data.p_pasp->i_vertical_spacing);
3167 MP4_READBOX_EXIT( 1 );
3170 static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
3172 MP4_READBOX_ENTER( MP4_Box_data_mehd_t );
3174 MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
3175 if( p_box->data.p_mehd->i_version == 1 )
3176 MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
3177 else /* version == 0 */
3178 MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
3182 "read box: \"mehd\" frag dur. %"PRIu64"",
3183 p_box->data.p_mehd->i_fragment_duration );
3186 MP4_READBOX_EXIT( 1 );
3189 static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
3191 MP4_READBOX_ENTER( MP4_Box_data_trex_t );
3192 MP4_GETVERSIONFLAGS( p_box->data.p_trex );
3194 MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
3195 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
3196 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
3197 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
3198 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
3202 "read box: \"trex\" trackID: %"PRIu32"",
3203 p_box->data.p_trex->i_track_ID );
3206 MP4_READBOX_EXIT( 1 );
3209 static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
3211 uint32_t i_sample_count;
3212 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t );
3213 MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
3214 MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
3215 i_sample_count = i_read;
3217 p_sdtp->p_sample_table = calloc( i_sample_count, 1 );
3219 if( !p_sdtp->p_sample_table )
3220 MP4_READBOX_EXIT( 0 );
3222 for( uint32_t i = 0; i < i_sample_count; i++ )
3223 MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
3226 msg_Dbg( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
3228 "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
3229 p_sdtp->p_sample_table[0],
3230 p_sdtp->p_sample_table[1],
3231 p_sdtp->p_sample_table[2],
3232 p_sdtp->p_sample_table[3] );
3235 MP4_READBOX_EXIT( 1 );
3238 static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
3240 FREENULL( p_box->data.p_sdtp->p_sample_table );
3243 static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
3245 MP4_READBOX_ENTER( MP4_Box_data_mfro_t );
3247 MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
3248 MP4_GET4BYTES( p_box->data.p_mfro->i_size );
3252 "read box: \"mfro\" size: %"PRIu32"",
3253 p_box->data.p_mfro->i_size);
3256 MP4_READBOX_EXIT( 1 );
3259 static int MP4_ReadBox_tfra( stream_t *p_stream, MP4_Box_t *p_box )
3261 uint32_t i_number_of_entries;
3262 MP4_READBOX_ENTER( MP4_Box_data_tfra_t );
3263 MP4_Box_data_tfra_t *p_tfra = p_box->data.p_tfra;
3264 MP4_GETVERSIONFLAGS( p_box->data.p_tfra );
3266 MP4_GET4BYTES( p_tfra->i_track_ID );
3267 uint32_t i_lengths = 0;
3268 MP4_GET4BYTES( i_lengths );
3269 MP4_GET4BYTES( p_tfra->i_number_of_entries );
3270 i_number_of_entries = p_tfra->i_number_of_entries;
3271 p_tfra->i_length_size_of_traf_num = i_lengths >> 4;
3272 p_tfra->i_length_size_of_trun_num = ( i_lengths & 0x0c ) >> 2;
3273 p_tfra->i_length_size_of_sample_num = i_lengths & 0x03;
3275 size_t size = 4 + 4*p_tfra->i_version; /* size in {4, 8} */
3276 p_tfra->p_time = calloc( i_number_of_entries, size );
3277 p_tfra->p_moof_offset = calloc( i_number_of_entries, size );
3279 size = 1 + p_tfra->i_length_size_of_traf_num; /* size in [|1, 4|] */
3280 p_tfra->p_traf_number = calloc( i_number_of_entries, size );
3281 size = 1 + p_tfra->i_length_size_of_trun_num;
3282 p_tfra->p_trun_number = calloc( i_number_of_entries, size );
3283 size = 1 + p_tfra->i_length_size_of_sample_num;
3284 p_tfra->p_sample_number = calloc( i_number_of_entries, size );
3286 if( !p_tfra->p_time || !p_tfra->p_moof_offset || !p_tfra->p_traf_number
3287 || !p_tfra->p_trun_number || !p_tfra->p_sample_number )
3290 int i_fields_length = 3 + p_tfra->i_length_size_of_traf_num
3291 + p_tfra->i_length_size_of_trun_num
3292 + p_tfra->i_length_size_of_sample_num;
3295 for( i = 0; i < i_number_of_entries; i++ )
3298 if( p_tfra->i_version == 1 )
3300 if ( i_read < i_fields_length + 16 )
3302 MP4_GET8BYTES( p_tfra->p_time[i*2] );
3303 MP4_GET8BYTES( p_tfra->p_moof_offset[i*2] );
3307 if ( i_read < i_fields_length + 8 )
3309 MP4_GET4BYTES( p_tfra->p_time[i] );
3310 MP4_GET4BYTES( p_tfra->p_moof_offset[i] );
3312 switch (p_tfra->i_length_size_of_traf_num)
3315 MP4_GET1BYTE( p_tfra->p_traf_number[i] );
3318 MP4_GET2BYTES( p_tfra->p_traf_number[i*2] );
3321 MP4_GET3BYTES( p_tfra->p_traf_number[i*3] );
3324 MP4_GET4BYTES( p_tfra->p_traf_number[i*4] );
3330 switch (p_tfra->i_length_size_of_trun_num)
3333 MP4_GET1BYTE( p_tfra->p_trun_number[i] );
3336 MP4_GET2BYTES( p_tfra->p_trun_number[i*2] );
3339 MP4_GET3BYTES( p_tfra->p_trun_number[i*3] );
3342 MP4_GET4BYTES( p_tfra->p_trun_number[i*4] );
3348 switch (p_tfra->i_length_size_of_sample_num)
3351 MP4_GET1BYTE( p_tfra->p_sample_number[i] );
3354 MP4_GET2BYTES( p_tfra->p_sample_number[i*2] );
3357 MP4_GET3BYTES( p_tfra->p_sample_number[i*3] );
3360 MP4_GET4BYTES( p_tfra->p_sample_number[i*4] );
3366 if ( i < i_number_of_entries )
3367 i_number_of_entries = i;
3370 if( p_tfra->i_version == 0 )
3372 msg_Dbg( p_stream, "time[0]: %"PRIu32", moof_offset[0]: %"PRIx32"",
3373 p_tfra->p_time[0], p_tfra->p_moof_offset[0] );
3375 msg_Dbg( p_stream, "time[1]: %"PRIu32", moof_offset[1]: %"PRIx32"",
3376 p_tfra->p_time[1], p_tfra->p_moof_offset[1] );
3380 msg_Dbg( p_stream, "time[0]: %"PRIu64", moof_offset[0]: %"PRIx64"",
3381 ((uint64_t *)(p_tfra->p_time))[0],
3382 ((uint64_t *)(p_tfra->p_moof_offset))[0] );
3384 msg_Dbg( p_stream, "time[1]: %"PRIu64", moof_offset[1]: %"PRIx64"",
3385 ((uint64_t *)(p_tfra->p_time))[1],
3386 ((uint64_t *)(p_tfra->p_moof_offset))[1] );
3389 msg_Dbg( p_stream, "number_of_entries is %"PRIu32"", i_number_of_entries );
3390 msg_Dbg( p_stream, "track ID is: %"PRIu32"", p_tfra->i_track_ID );
3393 MP4_READBOX_EXIT( 1 );
3395 MP4_READBOX_EXIT( 0 );
3398 static void MP4_FreeBox_tfra( MP4_Box_t *p_box )
3400 FREENULL( p_box->data.p_tfra->p_time );
3401 FREENULL( p_box->data.p_tfra->p_moof_offset );
3402 FREENULL( p_box->data.p_tfra->p_traf_number );
3403 FREENULL( p_box->data.p_tfra->p_trun_number );
3404 FREENULL( p_box->data.p_tfra->p_sample_number );
3409 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
3411 if( !p_box->p_father )
3415 if( p_box->p_father->i_type == ATOM_stsd )
3417 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
3420 if( p_mdia == NULL || p_mdia->i_type != ATOM_mdia ||
3421 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
3425 switch( p_hdlr->data.p_hdlr->i_handler_type )
3428 return MP4_ReadBox_sample_soun( p_stream, p_box );
3430 return MP4_ReadBox_sample_vide( p_stream, p_box );
3432 return MP4_ReadBox_sample_text( p_stream, p_box );
3435 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
3438 "unknown handler type in stsd (incompletely loaded)" );
3444 if MP4_BOX_TYPE_ASCII()
3446 "unknown box type %4.4s (incompletely loaded)",
3447 (char*)&p_box->i_type );
3450 "unknown box type c%3.3s (incompletely loaded)",
3451 (char*)&p_box->i_type+1 );
3452 p_box->e_flags |= BOX_FLAG_INCOMPLETE;
3457 /**** ------------------------------------------------------------------- ****/
3458 /**** "Higher level" Functions ****/
3459 /**** ------------------------------------------------------------------- ****/
3464 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
3465 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
3466 uint32_t i_parent; /* set parent to restrict, duplicating if needed; 0 for any */
3467 } MP4_Box_Function [] =
3470 { ATOM_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3471 { ATOM_foov, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3472 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moov },
3473 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_foov },
3474 { ATOM_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_trak },
3475 { ATOM_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3476 { ATOM_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_mdia },
3477 { ATOM_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3478 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3479 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_meta },
3480 { ATOM_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_trak },
3481 { ATOM_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3482 { ATOM_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3483 { ATOM_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_udta },
3484 { ATOM_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moov },
3485 { ATOM_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_rmra },
3486 { ATOM_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_trak },
3487 { ATOM_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3488 { ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_stsd },
3489 { ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_WMA2 }, /* flip4mac */
3490 { ATOM_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_meta },
3491 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moov },
3492 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_ftyp },
3495 { ATOM_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp, 0 },
3496 { ATOM_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common, 0 },
3497 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common, ATOM_moov },
3498 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common, ATOM_foov },
3499 { ATOM_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common, ATOM_trak },
3500 { ATOM_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common, ATOM_mdia },
3501 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr, ATOM_mdia },
3502 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr, ATOM_meta },
3503 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr, ATOM_minf },
3504 { ATOM_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common, ATOM_minf },
3505 { ATOM_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common, ATOM_minf },
3506 { ATOM_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common, ATOM_minf },
3507 { ATOM_alis, MP4_ReadBoxSkip, MP4_FreeBox_Common, ATOM_dref },
3508 { ATOM_url, MP4_ReadBox_url, MP4_FreeBox_url, 0 },
3509 { ATOM_urn, MP4_ReadBox_urn, MP4_FreeBox_urn, 0 },
3510 { ATOM_dref, MP4_ReadBox_dref, MP4_FreeBox_Common, 0 },
3511 { ATOM_stts, MP4_ReadBox_stts, MP4_FreeBox_stts, ATOM_stbl },
3512 { ATOM_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts, ATOM_stbl },
3513 { ATOM_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common, ATOM_stbl },
3514 { ATOM_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz, ATOM_stbl },
3515 { ATOM_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc, ATOM_stbl },
3516 { ATOM_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64, ATOM_stbl },
3517 { ATOM_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64, ATOM_stbl },
3518 { ATOM_stss, MP4_ReadBox_stss, MP4_FreeBox_stss, ATOM_stbl },
3519 { ATOM_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh, ATOM_stbl },
3520 { ATOM_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp, 0 },
3521 { ATOM_padb, MP4_ReadBox_padb, MP4_FreeBox_padb, 0 },
3522 { ATOM_elst, MP4_ReadBox_elst, MP4_FreeBox_elst, ATOM_edts },
3523 { ATOM_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt, 0 },
3524 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds, ATOM_wave }, /* mp4a in wave chunk */
3525 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds, ATOM_mp4a },
3526 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds, ATOM_mp4v },
3527 { ATOM_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common, 0 },
3528 { ATOM_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd, 0 },
3529 { ATOM_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC, ATOM_avc1 },
3530 { ATOM_hvcC, MP4_ReadBox_hvcC, MP4_FreeBox_hvcC, 0 },
3531 { ATOM_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common, 0 },
3532 { ATOM_dec3, MP4_ReadBox_dec3, MP4_FreeBox_Common, 0 },
3533 { ATOM_dvc1, MP4_ReadBox_dvc1, MP4_FreeBox_Common, 0 },
3534 { ATOM_enda, MP4_ReadBox_enda, MP4_FreeBox_Common, 0 },
3535 { ATOM_iods, MP4_ReadBox_iods, MP4_FreeBox_Common, 0 },
3536 { ATOM_pasp, MP4_ReadBox_pasp, MP4_FreeBox_Common, 0 },
3538 /* Nothing to do with this box */
3539 { ATOM_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3540 { ATOM_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3541 { ATOM_free, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3542 { ATOM_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3543 { ATOM_binm, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3546 { ATOM_tx3g, MP4_ReadBox_sample_tx3g, MP4_FreeBox_Common, 0 },
3547 //{ ATOM_text, MP4_ReadBox_sample_text, MP4_FreeBox_Common, 0 },
3550 { ATOM_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3551 { ATOM_ac3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3552 { ATOM_eac3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3553 { ATOM_lpcm, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3554 { ATOM_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3555 { ATOM_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3556 { ATOM_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3557 { ATOM__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3558 { ATOM_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3559 { ATOM_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3560 { ATOM_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3561 { ATOM_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3562 { ATOM_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3563 { ATOM_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3564 { ATOM_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3565 { ATOM_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3566 { ATOM_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3567 { ATOM_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3568 { ATOM_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3569 { ATOM_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3570 { ATOM_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3571 { ATOM_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3572 { ATOM_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3573 { ATOM_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3574 { ATOM_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3575 { ATOM_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3576 { ATOM_WMA2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd }, /* flip4mac */
3577 /* Sound extensions */
3578 { ATOM_chan, MP4_ReadBox_stsdext_chan, MP4_FreeBox_stsdext_chan, 0 },
3579 { ATOM_WMA2, MP4_ReadBox_WMA2, MP4_FreeBox_WMA2, ATOM_wave }, /* flip4mac */
3581 { ATOM_drmi, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3582 { ATOM_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3583 { ATOM_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3584 { ATOM_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3585 { ATOM_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3586 { ATOM_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3587 { ATOM_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3588 { ATOM_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3589 { ATOM_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3590 { ATOM_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3591 { ATOM_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3592 { ATOM_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3593 { ATOM_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3594 { ATOM_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3595 { ATOM_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3596 { ATOM_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3597 { ATOM_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3598 { ATOM_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3599 { ATOM_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3600 { ATOM_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3601 { ATOM_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3602 { ATOM_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3603 { ATOM_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3604 { ATOM_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3605 { ATOM_WMV3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3607 { ATOM_mjqt, MP4_ReadBox_default, NULL, 0 }, /* found in mjpa/b */
3608 { ATOM_mjht, MP4_ReadBox_default, NULL, 0 },
3610 { ATOM_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3611 { ATOM_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3612 { ATOM_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3613 { ATOM_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3614 { ATOM_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3615 { ATOM_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3616 { ATOM_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3618 { ATOM_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3619 { ATOM_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3621 { ATOM_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, 0 },
3622 { ATOM_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, 0 },
3624 { ATOM_strf, MP4_ReadBox_strf, MP4_FreeBox_strf, ATOM_WMV3 }, /* flip4mac */
3625 { ATOM_ASF , MP4_ReadBox_ASF, MP4_FreeBox_Common, ATOM_WMV3 }, /* flip4mac */
3626 { ATOM_ASF , MP4_ReadBox_ASF, MP4_FreeBox_Common, ATOM_wave }, /* flip4mac */
3628 { ATOM_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common, 0 },
3630 /* XXX there is 2 box where we could find this entry stbl and tref*/
3631 { ATOM_hint, MP4_ReadBox_default, MP4_FreeBox_Common, 0 },
3633 /* found in tref box */
3634 { ATOM_dpnd, MP4_ReadBox_default, NULL, 0 },
3635 { ATOM_ipir, MP4_ReadBox_default, NULL, 0 },
3636 { ATOM_mpod, MP4_ReadBox_default, NULL, 0 },
3637 { ATOM_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic, 0 },
3640 { ATOM_rtp, MP4_ReadBox_default, NULL, 0 },
3642 /* found in rmra/rmda */
3643 { ATOM_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf , ATOM_rmda },
3644 { ATOM_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common, ATOM_rmda },
3645 { ATOM_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common, ATOM_rmda },
3646 { ATOM_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common, ATOM_rmda },
3648 { ATOM_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, 0 },
3649 { ATOM_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3650 { ATOM_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3651 { ATOM_user, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3652 { ATOM_key, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3653 { ATOM_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3654 { ATOM_priv, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3655 { ATOM_frma, MP4_ReadBox_frma, MP4_FreeBox_Common, ATOM_sinf }, /* and rinf */
3656 { ATOM_frma, MP4_ReadBox_frma, MP4_FreeBox_Common, ATOM_wave }, /* flip4mac */
3657 { ATOM_skcr, MP4_ReadBox_skcr, MP4_FreeBox_Common, 0 },
3660 { ATOM_0xa9nam, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3661 { ATOM_0xa9aut, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3662 { ATOM_0xa9cpy, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3663 { ATOM_0xa9swr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3664 { ATOM_0xa9inf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3665 { ATOM_0xa9ART, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3666 { ATOM_0xa9dir, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3667 { ATOM_0xa9cmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3668 { ATOM_0xa9req, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3669 { ATOM_0xa9day, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3670 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3671 { ATOM_0xa9fmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3672 { ATOM_0xa9prd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3673 { ATOM_0xa9prf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3674 { ATOM_0xa9src, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3675 { ATOM_0xa9alb, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3676 { ATOM_0xa9dis, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3677 { ATOM_0xa9enc, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3678 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3679 { ATOM_0xa9trk, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3680 { ATOM_0xa9dsa, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3681 { ATOM_0xa9hst, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3682 { ATOM_0xa9url, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3683 { ATOM_0xa9ope, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3684 { ATOM_0xa9com, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3685 { ATOM_0xa9wrt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3686 { ATOM_0xa9too, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3687 { ATOM_0xa9wrn, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3688 { ATOM_0xa9mak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3689 { ATOM_0xa9mod, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3690 { ATOM_0xa9PRD, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3691 { ATOM_0xa9grp, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3692 { ATOM_0xa9lyr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3693 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3694 { ATOM_0xa9st3, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3695 { ATOM_0xa9ard, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3696 { ATOM_0xa9arg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3697 { ATOM_0xa9cak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3698 { ATOM_0xa9con, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3699 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3700 { ATOM_0xa9lnt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3701 { ATOM_0xa9phg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3702 { ATOM_0xa9pub, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3703 { ATOM_0xa9sne, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3704 { ATOM_0xa9sol, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3705 { ATOM_0xa9thx, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3706 { ATOM_0xa9xpd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3707 { ATOM_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl, ATOM_udta },
3709 { ATOM_gnre, MP4_ReadBox_gnre, MP4_FreeBox_Common, ATOM_ilst },
3710 { ATOM_trkn, MP4_ReadBox_trkn, MP4_FreeBox_Common, ATOM_ilst },
3712 /* iTunes/Quicktime meta info */
3713 { ATOM_meta, MP4_ReadBox_meta, MP4_FreeBox_Common, 0 },
3714 { ATOM_name, MP4_ReadBox_name, MP4_FreeBox_name, 0 },
3715 { ATOM_covr, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_ilst },
3716 { ATOM_data, MP4_ReadBox_data, MP4_FreeBox_data, 0 },
3718 /* found in smoothstreaming */
3719 { ATOM_traf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moof },
3720 { ATOM_mfra, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3721 { ATOM_mfhd, MP4_ReadBox_mfhd, MP4_FreeBox_Common, ATOM_moof },
3722 { ATOM_sidx, MP4_ReadBox_sidx, MP4_FreeBox_sidx, 0 },
3723 { ATOM_tfhd, MP4_ReadBox_tfhd, MP4_FreeBox_Common, ATOM_traf },
3724 { ATOM_trun, MP4_ReadBox_trun, MP4_FreeBox_trun, ATOM_traf },
3725 { ATOM_trex, MP4_ReadBox_trex, MP4_FreeBox_Common, ATOM_mvex },
3726 { ATOM_mehd, MP4_ReadBox_mehd, MP4_FreeBox_Common, ATOM_mvex },
3727 { ATOM_sdtp, MP4_ReadBox_sdtp, MP4_FreeBox_sdtp, 0 },
3728 { ATOM_tfra, MP4_ReadBox_tfra, MP4_FreeBox_tfra, ATOM_mfra },
3729 { ATOM_mfro, MP4_ReadBox_mfro, MP4_FreeBox_Common, ATOM_mfra },
3730 { ATOM_uuid, MP4_ReadBox_uuid, MP4_FreeBox_uuid, 0 },
3733 { 0, MP4_ReadBox_default, NULL, 0 }
3737 /*****************************************************************************
3738 * MP4_ReadBox : parse the actual box and the children
3739 * XXX : Do not go to the next box
3740 *****************************************************************************/
3741 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
3743 MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
3744 unsigned int i_index;
3749 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
3751 msg_Warn( p_stream, "cannot read one box" );
3755 if( !p_box->i_size )
3757 msg_Dbg( p_stream, "found an empty box (null size)" );
3761 p_box->p_father = p_father;
3763 /* Now search function to call */
3764 for( i_index = 0; ; i_index++ )
3766 if ( MP4_Box_Function[i_index].i_parent &&
3768 p_box->p_father->i_type != MP4_Box_Function[i_index].i_parent )
3771 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3772 ( MP4_Box_Function[i_index].i_type == 0 ) )
3778 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
3780 MP4_BoxFree( p_stream, p_box );
3784 p_box->pf_free = MP4_Box_Function[i_index].MP4_FreeBox_function;
3789 /*****************************************************************************
3790 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
3792 *****************************************************************************/
3793 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
3800 for( p_child = p_box->p_first; p_child != NULL; )
3804 p_next = p_child->p_next;
3805 MP4_BoxFree( s, p_child );
3809 /* Now search function to call */
3810 if( p_box->data.p_payload )
3812 if (unlikely( p_box->pf_free == NULL ))
3814 /* Should not happen */
3815 if MP4_BOX_TYPE_ASCII()
3817 "cannot free box %4.4s, type unknown",
3818 (char*)&p_box->i_type );
3821 "cannot free box c%3.3s, type unknown",
3822 (char*)&p_box->i_type+1 );
3826 p_box->pf_free( p_box );
3828 free( p_box->data.p_payload );
3833 /* SmooBox is a very simple MP4 box, VLC specific, used only for the stream_filter to
3834 * send information to the demux. SmooBox is actually a simplified moov box (we wanted
3835 * to avoid the hassle of building a moov box at the stream_filter level) */
3836 MP4_Box_t *MP4_BoxGetSmooBox( stream_t *s )
3838 /* p_chunk is a virtual root container for the smoo box */
3842 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3843 if( unlikely( p_chunk == NULL ) )
3846 p_chunk->i_type = ATOM_root;
3847 p_chunk->i_shortsize = 1;
3849 p_smoo = MP4_ReadBox( s, p_chunk );
3850 if( !p_smoo || p_smoo->i_type != ATOM_uuid || CmpUUID( &p_smoo->i_uuid, &SmooBoxUUID ) )
3852 msg_Warn( s, "no smoo box found!");
3856 p_chunk->p_first = p_smoo;
3857 p_chunk->p_last = p_smoo;
3866 MP4_Box_t *MP4_BoxGetNextChunk( stream_t *s )
3868 /* p_chunk is a virtual root container for the moof and mdat boxes */
3870 MP4_Box_t *p_tmp_box = NULL;
3872 p_tmp_box = calloc( 1, sizeof( MP4_Box_t ) );
3873 if( unlikely( p_tmp_box == NULL ) )
3876 /* We might get a ftyp box or a SmooBox */
3877 MP4_ReadBoxCommon( s, p_tmp_box );
3879 if( (p_tmp_box->i_type == ATOM_uuid && !CmpUUID( &p_tmp_box->i_uuid, &SmooBoxUUID )) )
3882 return MP4_BoxGetSmooBox( s );
3884 else if( p_tmp_box->i_type == ATOM_ftyp )
3887 return MP4_BoxGetRoot( s );
3891 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3892 if( unlikely( p_chunk == NULL ) )
3895 p_chunk->i_type = ATOM_root;
3896 p_chunk->i_shortsize = 1;
3898 MP4_ReadBoxContainerChildren( s, p_chunk, ATOM_moof );
3900 p_tmp_box = p_chunk->p_first;
3903 p_chunk->i_size += p_tmp_box->i_size;
3904 p_tmp_box = p_tmp_box->p_next;
3910 /*****************************************************************************
3911 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
3912 *****************************************************************************
3913 * The first box is a virtual box "root" and is the father for all first
3914 * level boxes for the file, a sort of virtual contener
3915 *****************************************************************************/
3916 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
3922 p_root = malloc( sizeof( MP4_Box_t ) );
3923 if( p_root == NULL )
3927 p_root->i_type = ATOM_root;
3928 p_root->i_shortsize = 1;
3929 /* could be a DASH stream for exemple, 0 means unknown or infinite size */
3931 CreateUUID( &p_root->i_uuid, p_root->i_type );
3933 p_root->data.p_payload = NULL;
3934 p_root->p_father = NULL;
3935 p_root->p_first = NULL;
3936 p_root->p_last = NULL;
3937 p_root->p_next = NULL;
3941 /* First get the moov */
3942 i_result = MP4_ReadBoxContainerChildren( p_stream, p_root, ATOM_moov );
3946 /* If there is a mvex box, it means fragmented MP4, and we're done */
3947 else if( MP4_BoxCount( p_root, "moov/mvex" ) > 0 )
3950 p_root->i_size = stream_Size( s );
3951 if( stream_Tell( s ) + 8 < stream_Size( s ) )
3953 /* Get the rest of the file */
3954 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
3963 /* check if there is a cmov, if so replace
3964 compressed moov by uncompressed one */
3965 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
3966 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
3967 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
3968 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
3970 /* rename the compressed moov as a box to skip */
3971 p_moov->i_type = ATOM_skip;
3973 /* get uncompressed p_moov */
3974 p_moov = p_cmov->data.p_cmov->p_moov;
3975 p_cmov->data.p_cmov->p_moov = NULL;
3977 /* make p_root father of this new moov */
3978 p_moov->p_father = p_root;
3980 /* insert this new moov box as first child of p_root */
3981 p_moov->p_next = p_root->p_first;
3982 p_root->p_first = p_moov;
3989 stream_Seek( p_stream, 0 );
3994 static void MP4_BoxDumpStructure_Internal( stream_t *s,
3995 MP4_Box_t *p_box, unsigned int i_level )
4001 if MP4_BOX_TYPE_ASCII()
4002 msg_Dbg( s, "dumping root Box \"%4.4s\"",
4003 (char*)&p_box->i_type );
4005 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
4006 (char*)&p_box->i_type+1 );
4011 if( i_level >= (sizeof(str) - 1)/4 )
4014 memset( str, ' ', sizeof(str) );
4015 for( unsigned i = 0; i < i_level; i++ )
4019 if( MP4_BOX_TYPE_ASCII() )
4020 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
4021 "+ %4.4s size %"PRIu64" offset %ld%s",
4022 (char*)&p_box->i_type, p_box->i_size, p_box->i_pos,
4023 p_box->e_flags & BOX_FLAG_INCOMPLETE ? " (\?\?\?\?)" : "" );
4025 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
4026 "+ c%3.3s size %"PRIu64" offset %ld%s",
4027 (char*)&p_box->i_type+1, p_box->i_size, p_box->i_pos,
4028 p_box->e_flags & BOX_FLAG_INCOMPLETE ? " (\?\?\?\?)" : "" );
4029 msg_Dbg( s, "%s", str );
4031 p_child = p_box->p_first;
4034 MP4_BoxDumpStructure_Internal( s, p_child, i_level + 1 );
4035 p_child = p_child->p_next;
4039 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
4041 MP4_BoxDumpStructure_Internal( s, p_box, 0 );
4045 /*****************************************************************************
4046 *****************************************************************************
4048 ** High level methods to acces an MP4 file
4050 *****************************************************************************
4051 *****************************************************************************/
4052 static void get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
4055 if( !*ppsz_path[0] )
4061 i_len = strcspn( *ppsz_path, "/[" );
4062 if( !i_len && **ppsz_path == '/' )
4066 *ppsz_token = strndup( *ppsz_path, i_len );
4067 if( unlikely(!*ppsz_token) )
4070 *ppsz_path += i_len;
4072 if( **ppsz_path == '[' )
4075 *pi_number = strtol( *ppsz_path, NULL, 10 );
4076 while( **ppsz_path && **ppsz_path != ']' )
4080 if( **ppsz_path == ']' )
4089 while( **ppsz_path == '/' )
4095 static void MP4_BoxGet_Internal( MP4_Box_t **pp_result,
4096 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
4108 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
4111 if( !psz_path || !psz_path[0] )
4118 // fprintf( stderr, "path:'%s'\n", psz_path );
4119 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
4124 get_token( &psz_path, &psz_token, &i_number );
4125 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
4126 // psz_path,psz_token,i_number );
4134 if( !strcmp( psz_token, "/" ) )
4137 while( p_box && p_box->i_type != ATOM_root )
4139 p_box = p_box->p_father;
4147 if( !strcmp( psz_token, "." ) )
4152 if( !strcmp( psz_token, ".." ) )
4154 p_box = p_box->p_father;
4161 if( strlen( psz_token ) == 4 )
4164 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
4165 psz_token[2], psz_token[3] );
4166 p_box = p_box->p_first;
4173 if( p_box->i_type == i_fourcc )
4181 p_box = p_box->p_next;
4185 if( *psz_token == '\0' )
4187 p_box = p_box->p_first;
4199 p_box = p_box->p_next;
4204 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
4208 FREENULL( psz_token );
4220 /*****************************************************************************
4221 * MP4_BoxGet: find a box given a path relative to p_box
4222 *****************************************************************************
4223 * Path Format: . .. / as usual
4224 * [number] to specifie box number ex: trak[12]
4226 * ex: /moov/trak[12]
4228 *****************************************************************************/
4229 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
4232 MP4_Box_t *p_result;
4234 va_start( args, psz_fmt );
4235 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
4241 /*****************************************************************************
4242 * MP4_BoxCount: count box given a path relative to p_box
4243 *****************************************************************************
4244 * Path Format: . .. / as usual
4245 * [number] to specifie box number ex: trak[12]
4247 * ex: /moov/trak[12]
4249 *****************************************************************************/
4250 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
4254 MP4_Box_t *p_result, *p_next;
4256 va_start( args, psz_fmt );
4257 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
4265 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
4267 if( p_next->i_type == p_result->i_type)