1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
6 * Author: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_stream.h> /* stream_Peek*/
31 # include <zlib.h> /* for compressed moov */
38 * The input method HAS to be seekable
41 /* convert 16.16 fixed point to floating point */
42 static double conv_fx( int32_t fx ) {
48 /* some functions for mp4 encoding of variables */
50 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date, bool b_relative )
57 /* date begin at 1 jan 1904 */
59 i_date += ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
61 i_day = i_date / ( 60*60*24);
62 i_hour = ( i_date /( 60*60 ) ) % 60;
63 i_min = ( i_date / 60 ) % 60;
65 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
69 /*****************************************************************************
71 *****************************************************************************/
72 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
75 /*****************************************************************************
76 * MP4_ReadBoxCommon : Load only common parameters for all boxes
77 *****************************************************************************
78 * p_box need to be an already allocated MP4_Box_t, and all data
79 * will only be peek not read
81 * RETURN : 0 if it fail, 1 otherwise
82 *****************************************************************************/
83 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
86 const uint8_t *p_peek;
88 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
92 p_box->i_pos = stream_Tell( p_stream );
94 p_box->data.p_payload = NULL;
95 p_box->p_father = NULL;
96 p_box->p_first = NULL;
100 MP4_GET4BYTES( p_box->i_shortsize );
101 MP4_GETFOURCC( p_box->i_type );
103 /* Now special case */
105 if( p_box->i_shortsize == 1 )
107 /* get the true size on 64 bits */
108 MP4_GET8BYTES( p_box->i_size );
112 p_box->i_size = p_box->i_shortsize;
113 /* XXX size of 0 means that the box extends to end of file */
116 if( p_box->i_type == ATOM_uuid )
118 /* get extented type on 16 bytes */
119 GetUUID( &p_box->i_uuid, p_peek );
120 p_peek += 16; i_read -= 16;
124 CreateUUID( &p_box->i_uuid, p_box->i_type );
126 #ifdef MP4_ULTRA_VERBOSE
129 if MP4_BOX_TYPE_ASCII()
130 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64" %"PRId64,
131 (char*)&p_box->i_type, p_box->i_size, p_box->i_pos );
133 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
134 (char*)&p_box->i_type+1, p_box->i_size );
141 /*****************************************************************************
142 * MP4_NextBox : Go to the next box
143 *****************************************************************************
144 * if p_box == NULL, go to the next box in which we are( at the begining ).
145 *****************************************************************************/
146 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
152 MP4_ReadBoxCommon( p_stream, &box );
158 return 2; /* Box with infinite size */
161 if( p_box->p_father )
163 /* if father's size == 0, it means unknown or infinite size,
164 * and we skip the followong check */
165 if( p_box->p_father->i_size > 0 )
167 const off_t i_box_end = p_box->i_size + p_box->i_pos;
168 const off_t i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
170 /* check if it's within p-father */
171 if( i_box_end >= i_father_end )
173 if( i_box_end > i_father_end )
174 msg_Dbg( p_stream, "out of bound child" );
175 return 0; /* out of bound */
179 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
187 /*****************************************************************************
188 * For all known box a loader is given,
189 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
190 * after called one of theses functions, file position is unknown
191 * you need to call MP4_GotoBox to go where you want
192 *****************************************************************************/
193 int MP4_ReadBoxContainerChildren( stream_t *p_stream,
194 MP4_Box_t *p_container, uint32_t i_last_child )
198 /* Size of root container is set to 0 when unknown, for exemple
199 * with a DASH stream. In that case, we skip the following check */
200 if( p_container->i_size
201 && ( stream_Tell( p_stream ) + 8 >
202 (off_t)(p_container->i_pos + p_container->i_size) )
205 /* there is no box to load */
211 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
213 /* chain this box with the father and the other at same level */
214 if( !p_container->p_first ) p_container->p_first = p_box;
215 else p_container->p_last->p_next = p_box;
216 p_container->p_last = p_box;
218 if( p_box->i_type == i_last_child )
220 MP4_NextBox( p_stream, p_box );
224 } while( MP4_NextBox( p_stream, p_box ) == 1 );
229 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
231 return MP4_ReadBoxContainerChildren( p_stream, p_container, 0 );
234 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
236 if( p_container->i_size &&
237 ( p_container->i_size <= (size_t)mp4_box_headersize(p_container ) + 8 ) )
239 /* container is empty, 8 stand for the first header in this box */
244 stream_Seek( p_stream, p_container->i_pos +
245 mp4_box_headersize( p_container ) );
247 return MP4_ReadBoxContainerRaw( p_stream, p_container );
250 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
252 /* Up to now do nothing */
256 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
258 /* XXX sometime moov is hiden in a free box */
259 if( p_box->p_father &&
260 p_box->p_father->i_type == ATOM_root &&
261 p_box->i_type == ATOM_free )
263 const uint8_t *p_peek;
267 i_read = stream_Peek( p_stream, &p_peek, 44 );
269 p_peek += mp4_box_headersize( p_box ) + 4;
270 i_read -= mp4_box_headersize( p_box ) + 4;
274 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
276 if( i_fcc == ATOM_cmov || i_fcc == ATOM_mvhd )
278 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
280 p_box->i_type = ATOM_foov;
281 return MP4_ReadBoxContainer( p_stream, p_box );
287 #ifdef MP4_ULTRA_VERBOSE
288 if MP4_BOX_TYPE_ASCII()
289 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
291 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
296 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
298 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
300 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
301 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
303 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
305 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
306 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
309 if( unlikely( tab == NULL ) )
310 MP4_READBOX_EXIT( 0 );
312 for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
314 MP4_GETFOURCC( tab[i] );
319 p_box->data.p_ftyp->i_compatible_brands = NULL;
322 MP4_READBOX_EXIT( 1 );
325 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
327 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
331 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
334 char s_creation_time[128];
335 char s_modification_time[128];
336 char s_duration[128];
338 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
340 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
342 if( p_box->data.p_mvhd->i_version )
344 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
345 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
346 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
347 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
351 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
352 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
353 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
354 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
356 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
357 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
358 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
361 for( unsigned i = 0; i < 2; i++ )
363 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
365 for( unsigned i = 0; i < 9; i++ )
367 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
369 for( unsigned i = 0; i < 6; i++ )
371 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
374 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
378 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
379 MP4_ConvertDate2Str( s_modification_time,
380 p_box->data.p_mvhd->i_modification_time, false );
381 if( p_box->data.p_mvhd->i_rate )
383 MP4_ConvertDate2Str( s_duration,
384 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate, true );
390 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
393 (uint32_t)p_box->data.p_mvhd->i_timescale,
395 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
396 (float)p_box->data.p_mvhd->i_volume / 256 ,
397 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
399 MP4_READBOX_EXIT( 1 );
402 static int MP4_ReadBox_mfhd( stream_t *p_stream, MP4_Box_t *p_box )
404 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t );
406 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
408 MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
411 msg_Dbg( p_stream, "read box: \"mfhd\" sequence number %d",
412 p_box->data.p_mfhd->i_sequence_number );
414 MP4_READBOX_EXIT( 1 );
417 static int MP4_ReadBox_tfxd( stream_t *p_stream, MP4_Box_t *p_box )
419 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
421 MP4_Box_data_tfxd_t *p_tfxd_data = p_box->data.p_tfxd;
422 MP4_GETVERSIONFLAGS( p_tfxd_data );
424 if( p_tfxd_data->i_version == 0 )
426 MP4_GET4BYTES( p_tfxd_data->i_fragment_abs_time );
427 MP4_GET4BYTES( p_tfxd_data->i_fragment_duration );
431 MP4_GET8BYTES( p_tfxd_data->i_fragment_abs_time );
432 MP4_GET8BYTES( p_tfxd_data->i_fragment_duration );
436 msg_Dbg( p_stream, "read box: \"tfxd\" version %d, flags 0x%x, "\
437 "fragment duration %"PRIu64", fragment abs time %"PRIu64,
438 p_tfxd_data->i_version,
439 p_tfxd_data->i_flags,
440 p_tfxd_data->i_fragment_duration,
441 p_tfxd_data->i_fragment_abs_time
445 MP4_READBOX_EXIT( 1 );
448 static int MP4_ReadBox_tfrf( stream_t *p_stream, MP4_Box_t *p_box )
450 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
452 MP4_Box_data_tfrf_t *p_tfrf_data = p_box->data.p_tfrf;
453 MP4_GETVERSIONFLAGS( p_tfrf_data );
455 MP4_GET1BYTE( p_tfrf_data->i_fragment_count );
457 p_tfrf_data->p_tfrf_data_fields = calloc( p_tfrf_data->i_fragment_count,
458 sizeof( TfrfBoxDataFields_t ) );
459 if( !p_tfrf_data->p_tfrf_data_fields )
460 MP4_READBOX_EXIT( 0 );
462 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
464 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
465 if( p_tfrf_data->i_version == 0 )
467 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_abs_time );
468 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_duration );
472 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_abs_time );
473 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_duration );
478 msg_Dbg( p_stream, "read box: \"tfrf\" version %d, flags 0x%x, "\
479 "fragment count %"PRIu8, p_tfrf_data->i_version,
480 p_tfrf_data->i_flags, p_tfrf_data->i_fragment_count );
482 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
484 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
485 msg_Dbg( p_stream, "\"tfrf\" fragment duration %"PRIu64", "\
486 "fragment abs time %"PRIu64,
487 TfrfBoxDataField->i_fragment_duration,
488 TfrfBoxDataField->i_fragment_abs_time );
493 MP4_READBOX_EXIT( 1 );
496 static void MP4_FreeBox_tfrf( MP4_Box_t *p_box )
498 FREENULL( p_box->data.p_tfrf->p_tfrf_data_fields );
501 static int MP4_ReadBox_stra( stream_t *p_stream, MP4_Box_t *p_box )
503 MP4_READBOX_ENTER( MP4_Box_data_stra_t );
504 MP4_Box_data_stra_t *p_stra = p_box->data.p_stra;
507 VLC_UNUSED(i_reserved);
508 MP4_GET1BYTE( p_stra->i_es_cat );
509 MP4_GET1BYTE( i_reserved );
510 MP4_GET2BYTES( p_stra->i_track_ID );
512 MP4_GET4BYTES( p_stra->i_timescale );
513 MP4_GET8BYTES( p_stra->i_duration );
515 MP4_GET4BYTES( p_stra->FourCC );
516 MP4_GET4BYTES( p_stra->Bitrate );
517 MP4_GET4BYTES( p_stra->MaxWidth );
518 MP4_GET4BYTES( p_stra->MaxHeight );
519 MP4_GET4BYTES( p_stra->SamplingRate );
520 MP4_GET4BYTES( p_stra->Channels );
521 MP4_GET4BYTES( p_stra->BitsPerSample );
522 MP4_GET4BYTES( p_stra->AudioTag );
523 MP4_GET2BYTES( p_stra->nBlockAlign );
525 MP4_GET1BYTE( i_reserved );
526 MP4_GET1BYTE( i_reserved );
527 MP4_GET1BYTE( i_reserved );
528 MP4_GET1BYTE( p_stra->cpd_len );
529 if( p_stra->cpd_len > i_read )
531 p_stra->CodecPrivateData = malloc( p_stra->cpd_len );
532 if( unlikely( p_stra->CodecPrivateData == NULL ) )
534 memcpy( p_stra->CodecPrivateData, p_peek, p_stra->cpd_len );
537 msg_Dbg( p_stream, "es_cat is %"PRIu8", birate is %"PRIu32,
538 p_stra->i_es_cat, p_stra->Bitrate );
541 MP4_READBOX_EXIT( 1 );
543 MP4_READBOX_EXIT( 0 );
546 static void MP4_FreeBox_stra( MP4_Box_t *p_box )
548 FREENULL( p_box->data.p_stra->CodecPrivateData );
551 static int MP4_ReadBox_uuid( stream_t *p_stream, MP4_Box_t *p_box )
553 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
554 return MP4_ReadBox_tfrf( p_stream, p_box );
555 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
556 return MP4_ReadBox_tfxd( p_stream, p_box );
557 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
558 return MP4_ReadBoxContainer( p_stream, p_box );
559 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
560 return MP4_ReadBox_stra( p_stream, p_box );
562 msg_Warn( p_stream, "Unknown uuid type box" );
566 static void MP4_FreeBox_uuid( MP4_Box_t *p_box )
568 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
569 return MP4_FreeBox_tfrf( p_box );
570 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
571 return MP4_FreeBox_Common( p_box );
572 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
573 return MP4_FreeBox_Common( p_box );
574 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
575 return MP4_FreeBox_stra( p_box );
578 static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
580 MP4_READBOX_ENTER( MP4_Box_data_sidx_t );
582 MP4_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
583 MP4_GETVERSIONFLAGS( p_sidx_data );
585 MP4_GET4BYTES( p_sidx_data->i_reference_ID );
586 MP4_GET4BYTES( p_sidx_data->i_timescale );
588 if( p_sidx_data->i_version == 0 )
590 MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
591 MP4_GET4BYTES( p_sidx_data->i_first_offset );
595 MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
596 MP4_GET8BYTES( p_sidx_data->i_first_offset );
600 VLC_UNUSED(i_reserved);
601 MP4_GET2BYTES( i_reserved );
602 MP4_GET2BYTES( p_sidx_data->i_reference_count );
603 uint16_t i_count = p_sidx_data->i_reference_count;
605 p_sidx_data->p_items = calloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
607 for( unsigned i = 0; i < i_count; i++ )
609 MP4_GET4BYTES( tmp );
610 p_sidx_data->p_items[i].b_reference_type = (bool)((tmp & 0x80000000)>>24);
611 p_sidx_data->p_items[i].i_referenced_size = tmp & 0x7fffffff;
612 MP4_GET4BYTES( p_sidx_data->p_items[i].i_subsegment_duration );
614 MP4_GET4BYTES( tmp );
615 p_sidx_data->p_items[i].b_starts_with_SAP = (bool)((tmp & 0x80000000)>>24);
616 p_sidx_data->p_items[i].i_SAP_type = (tmp & 0x70000000)>>24;
617 p_sidx_data->p_items[i].i_SAP_delta_time = tmp & 0xfffffff;
621 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
622 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
623 "first subsegmt duration %"PRIu32,
624 p_sidx_data->i_version,
625 p_sidx_data->i_flags,
626 p_sidx_data->i_reference_ID,
627 p_sidx_data->i_timescale,
628 p_sidx_data->i_reference_count,
629 p_sidx_data->p_items[0].i_subsegment_duration
633 MP4_READBOX_EXIT( 1 );
636 static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
638 FREENULL( p_box->data.p_sidx->p_items );
641 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
643 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t );
645 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
647 if( p_box->data.p_tfhd->i_version != 0 )
649 msg_Warn( p_stream, "'tfhd' box with version != 0. "\
650 " Don't know what to do with that, please patch" );
651 MP4_READBOX_EXIT( 0 );
654 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
656 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
658 msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
659 "=> no samples for this time interval." );
660 p_box->data.p_tfhd->b_empty = true;
663 p_box->data.p_tfhd->b_empty = false;
665 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
666 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
667 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
668 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
669 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
670 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
671 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
672 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
673 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
674 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
677 char psz_base[128] = "\0";
678 char psz_desc[128] = "\0";
679 char psz_dura[128] = "\0";
680 char psz_size[128] = "\0";
681 char psz_flag[128] = "\0";
682 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
683 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
684 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
685 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
686 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
687 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
688 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
689 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
690 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
691 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
693 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
694 p_box->data.p_tfhd->i_version,
695 p_box->data.p_tfhd->i_flags,
696 p_box->data.p_tfhd->i_track_ID,
697 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
700 MP4_READBOX_EXIT( 1 );
703 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
705 MP4_READBOX_ENTER( MP4_Box_data_trun_t );
707 MP4_GETVERSIONFLAGS( p_box->data.p_trun );
709 MP4_GET4BYTES( p_box->data.p_trun->i_sample_count );
711 if( p_box->data.p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
712 MP4_GET4BYTES( p_box->data.p_trun->i_data_offset );
713 if( p_box->data.p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
714 MP4_GET4BYTES( p_box->data.p_trun->i_first_sample_flags );
716 p_box->data.p_trun->p_samples =
717 calloc( p_box->data.p_trun->i_sample_count, sizeof(MP4_descriptor_trun_sample_t) );
718 if ( p_box->data.p_trun->p_samples == NULL )
719 MP4_READBOX_EXIT( 0 );
721 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
723 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
724 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
725 MP4_GET4BYTES( p_sample->i_duration );
726 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
727 MP4_GET4BYTES( p_sample->i_size );
728 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
729 MP4_GET4BYTES( p_sample->i_flags );
730 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
731 MP4_GET4BYTES( p_sample->i_composition_time_offset );
735 msg_Dbg( p_stream, "read box: \"trun\" version %u flags 0x%x sample count %u",
736 p_box->data.p_trun->i_version,
737 p_box->data.p_trun->i_flags,
738 p_box->data.p_trun->i_sample_count );
740 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
742 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
743 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4u flags 0x%x "\
744 "duration %"PRIu32" size %"PRIu32" composition time offset %"PRIu32,
745 i, p_sample->i_flags, p_sample->i_duration,
746 p_sample->i_size, p_sample->i_composition_time_offset );
750 MP4_READBOX_EXIT( 1 );
753 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
755 FREENULL( p_box->data.p_trun->p_samples );
759 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
762 char s_creation_time[128];
763 char s_modification_time[128];
764 char s_duration[128];
766 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
768 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
770 if( p_box->data.p_tkhd->i_version )
772 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
773 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
774 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
775 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
776 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
780 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
781 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
782 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
783 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
784 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
787 for( unsigned i = 0; i < 2; i++ )
789 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
791 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
792 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
793 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
794 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
796 for( unsigned i = 0; i < 9; i++ )
798 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
800 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
801 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
803 double rotation; //angle in degrees to be rotated clockwise
804 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
805 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
807 int32_t *matrix = p_box->data.p_tkhd->i_matrix;
809 translate[0] = conv_fx(matrix[6]);
810 translate[1] = conv_fx(matrix[7]);
812 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
813 conv_fx(matrix[3]) * conv_fx(matrix[3]));
814 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
815 conv_fx(matrix[4]) * conv_fx(matrix[4]));
817 rotation = atan2(conv_fx(matrix[1]) / scale[1], conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
822 p_box->data.p_tkhd->f_rotation = rotation;
825 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
826 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time, false );
827 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration, true );
829 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. "
830 "Matrix: %i %i %i %i %i %i %i %i %i",
834 p_box->data.p_tkhd->i_track_ID,
835 p_box->data.p_tkhd->i_layer,
836 (float)p_box->data.p_tkhd->i_volume / 256 ,
842 (float)p_box->data.p_tkhd->i_width / BLOCK16x16,
843 (float)p_box->data.p_tkhd->i_height / BLOCK16x16,
844 p_box->data.p_tkhd->i_matrix[0],
845 p_box->data.p_tkhd->i_matrix[1],
846 p_box->data.p_tkhd->i_matrix[2],
847 p_box->data.p_tkhd->i_matrix[3],
848 p_box->data.p_tkhd->i_matrix[4],
849 p_box->data.p_tkhd->i_matrix[5],
850 p_box->data.p_tkhd->i_matrix[6],
851 p_box->data.p_tkhd->i_matrix[7],
852 p_box->data.p_tkhd->i_matrix[8] );
854 MP4_READBOX_EXIT( 1 );
858 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
862 char s_creation_time[128];
863 char s_modification_time[128];
864 char s_duration[128];
866 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
868 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
870 if( p_box->data.p_mdhd->i_version )
872 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
873 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
874 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
875 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
879 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
880 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
881 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
882 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
884 p_box->data.p_mdhd->i_language_code = i_language = GetWBE( p_peek );
885 for( unsigned i = 0; i < 3; i++ )
887 p_box->data.p_mdhd->i_language[i] =
888 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
891 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
894 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time, false );
895 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time, false );
896 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration, true );
897 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
900 (uint32_t)p_box->data.p_mdhd->i_timescale,
902 p_box->data.p_mdhd->i_language[0],
903 p_box->data.p_mdhd->i_language[1],
904 p_box->data.p_mdhd->i_language[2] );
906 MP4_READBOX_EXIT( 1 );
910 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
913 VLC_UNUSED(i_reserved);
915 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
917 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
919 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
920 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
922 MP4_GET4BYTES( i_reserved );
923 MP4_GET4BYTES( i_reserved );
924 MP4_GET4BYTES( i_reserved );
925 p_box->data.p_hdlr->psz_name = NULL;
929 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
930 if( unlikely( psz == NULL ) )
931 MP4_READBOX_EXIT( 0 );
933 /* Yes, I love .mp4 :( */
934 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
939 MP4_GET1BYTE( i_len );
940 i_copy = __MIN( i_read, i_len );
942 memcpy( psz, p_peek, i_copy );
943 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
947 memcpy( psz, p_peek, i_read );
948 p_box->data.p_hdlr->psz_name[i_read] = '\0';
953 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
954 (char*)&p_box->data.p_hdlr->i_handler_type,
955 p_box->data.p_hdlr->psz_name );
958 MP4_READBOX_EXIT( 1 );
961 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
963 FREENULL( p_box->data.p_hdlr->psz_name );
966 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
968 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
970 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
972 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
973 for( unsigned i = 0; i < 3; i++ )
975 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
979 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
980 p_box->data.p_vmhd->i_graphics_mode,
981 p_box->data.p_vmhd->i_opcolor[0],
982 p_box->data.p_vmhd->i_opcolor[1],
983 p_box->data.p_vmhd->i_opcolor[2] );
985 MP4_READBOX_EXIT( 1 );
988 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
990 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
992 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
996 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
998 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
1001 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
1002 (float)p_box->data.p_smhd->i_balance / 256 );
1004 MP4_READBOX_EXIT( 1 );
1008 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
1010 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
1012 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
1014 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
1015 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
1017 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
1018 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
1020 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1023 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1024 p_box->data.p_hmhd->i_max_PDU_size,
1025 p_box->data.p_hmhd->i_avg_PDU_size,
1026 p_box->data.p_hmhd->i_max_bitrate,
1027 p_box->data.p_hmhd->i_avg_bitrate );
1029 MP4_READBOX_EXIT( 1 );
1032 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
1034 MP4_READBOX_ENTER( MP4_Box_data_url_t );
1036 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1037 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1040 msg_Dbg( p_stream, "read box: \"url\" url: %s",
1041 p_box->data.p_url->psz_location );
1044 MP4_READBOX_EXIT( 1 );
1048 static void MP4_FreeBox_url( MP4_Box_t *p_box )
1050 FREENULL( p_box->data.p_url->psz_location );
1053 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
1055 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
1057 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1059 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1060 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1063 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
1064 p_box->data.p_urn->psz_name,
1065 p_box->data.p_urn->psz_location );
1067 MP4_READBOX_EXIT( 1 );
1069 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
1071 FREENULL( p_box->data.p_urn->psz_name );
1072 FREENULL( p_box->data.p_urn->psz_location );
1076 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
1078 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1080 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1082 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1084 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1085 MP4_ReadBoxContainerRaw( p_stream, p_box );
1088 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
1089 p_box->data.p_dref->i_entry_count );
1092 MP4_READBOX_EXIT( 1 );
1095 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1097 FREENULL( p_box->data.p_stts->pi_sample_count );
1098 FREENULL( p_box->data.p_stts->pi_sample_delta );
1101 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1103 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1105 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1106 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1108 p_box->data.p_stts->pi_sample_count =
1109 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1110 p_box->data.p_stts->pi_sample_delta =
1111 calloc( p_box->data.p_stts->i_entry_count, sizeof(int32_t) );
1112 if( p_box->data.p_stts->pi_sample_count == NULL
1113 || p_box->data.p_stts->pi_sample_delta == NULL )
1115 MP4_READBOX_EXIT( 0 );
1119 for( ; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1121 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_count[i] );
1122 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_delta[i] );
1125 if ( i < p_box->data.p_stts->i_entry_count )
1126 p_box->data.p_stts->i_entry_count = i;
1129 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1130 p_box->data.p_stts->i_entry_count );
1133 MP4_READBOX_EXIT( 1 );
1137 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1139 FREENULL( p_box->data.p_ctts->pi_sample_count );
1140 FREENULL( p_box->data.p_ctts->pi_sample_offset );
1143 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1145 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1147 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1149 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1151 p_box->data.p_ctts->pi_sample_count =
1152 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1153 p_box->data.p_ctts->pi_sample_offset =
1154 calloc( p_box->data.p_ctts->i_entry_count, sizeof(int32_t) );
1155 if( ( p_box->data.p_ctts->pi_sample_count == NULL )
1156 || ( p_box->data.p_ctts->pi_sample_offset == NULL ) )
1158 MP4_READBOX_EXIT( 0 );
1162 for( ; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1164 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_count[i] );
1165 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_offset[i] );
1167 if ( i < p_box->data.p_ctts->i_entry_count )
1168 p_box->data.p_ctts->i_entry_count = i;
1171 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
1172 p_box->data.p_ctts->i_entry_count );
1175 MP4_READBOX_EXIT( 1 );
1179 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1182 unsigned int i_len = 0;
1189 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1190 } while( i_b&0x80 );
1195 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1197 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
1198 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1200 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1201 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1205 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1207 #define es_descriptor p_box->data.p_esds->es_descriptor
1209 unsigned int i_flags;
1210 unsigned int i_type;
1212 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1214 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1217 MP4_GET1BYTE( i_type );
1218 if( i_type == 0x03 ) /* MP4ESDescrTag */
1220 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1223 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
1227 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1228 MP4_GET1BYTE( i_flags );
1229 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1230 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1231 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1233 es_descriptor.i_stream_priority = i_flags&0x1f;
1234 if( es_descriptor.b_stream_dependence )
1236 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1238 if( es_descriptor.b_url )
1242 MP4_GET1BYTE( i_len );
1243 es_descriptor.psz_URL = malloc( i_len + 1 );
1244 if( es_descriptor.psz_URL )
1246 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1247 es_descriptor.psz_URL[i_len] = 0;
1254 es_descriptor.psz_URL = NULL;
1256 if( es_descriptor.b_OCRstream )
1258 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1260 MP4_GET1BYTE( i_type ); /* get next type */
1263 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1265 es_descriptor.p_decConfigDescr = NULL;
1266 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1269 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1272 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
1276 es_descriptor.p_decConfigDescr =
1277 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1278 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1279 MP4_READBOX_EXIT( 0 );
1281 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1282 MP4_GET1BYTE( i_flags );
1283 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1284 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1285 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1286 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1287 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1288 MP4_GET1BYTE( i_type );
1289 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1291 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1292 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1293 MP4_READBOX_EXIT( 1 );
1296 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1299 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
1302 if( i_len > i_read )
1303 MP4_READBOX_EXIT( 0 );
1305 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1306 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1307 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1308 MP4_READBOX_EXIT( 0 );
1310 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1313 MP4_READBOX_EXIT( 1 );
1314 #undef es_descriptor
1317 static void MP4_FreeBox_hvcC(MP4_Box_t *p_box )
1319 MP4_Box_data_hvcC_t *p_hvcC = p_box->data.p_hvcC;
1320 if( p_hvcC->i_hvcC > 0 ) FREENULL( p_hvcC->p_hvcC) ;
1323 static int MP4_ReadBox_hvcC( stream_t *p_stream, MP4_Box_t *p_box )
1325 MP4_Box_data_hvcC_t *p_hvcC;
1327 MP4_READBOX_ENTER( MP4_Box_data_hvcC_t );
1328 p_hvcC = p_box->data.p_hvcC;
1330 p_hvcC->i_hvcC = i_read;
1331 if( p_hvcC->i_hvcC > 0 )
1333 uint8_t * p = p_hvcC->p_hvcC = malloc( p_hvcC->i_hvcC );
1335 memcpy( p, p_peek, i_read );
1337 MP4_READBOX_EXIT( 1 );
1340 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1342 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1345 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1349 for( i = 0; i < p_avcC->i_sps; i++ )
1350 FREENULL( p_avcC->sps[i] );
1354 for( i = 0; i < p_avcC->i_pps; i++ )
1355 FREENULL( p_avcC->pps[i] );
1357 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1358 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1359 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1360 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1363 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1365 MP4_Box_data_avcC_t *p_avcC;
1368 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1369 p_avcC = p_box->data.p_avcC;
1371 p_avcC->i_avcC = i_read;
1372 if( p_avcC->i_avcC > 0 )
1374 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1376 memcpy( p, p_peek, i_read );
1379 MP4_GET1BYTE( p_avcC->i_version );
1380 MP4_GET1BYTE( p_avcC->i_profile );
1381 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1382 MP4_GET1BYTE( p_avcC->i_level );
1383 MP4_GET1BYTE( p_avcC->i_reserved1 );
1384 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1385 p_avcC->i_reserved1 >>= 2;
1387 MP4_GET1BYTE( p_avcC->i_reserved2 );
1388 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1389 p_avcC->i_reserved2 >>= 5;
1391 if( p_avcC->i_sps > 0 )
1393 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1394 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1396 if( !p_avcC->i_sps_length || !p_avcC->sps )
1399 for( i = 0; i < p_avcC->i_sps && i_read > 2; i++ )
1401 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1402 if ( p_avcC->i_sps_length[i] > i_read )
1404 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1405 if( p_avcC->sps[i] )
1406 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1408 p_peek += p_avcC->i_sps_length[i];
1409 i_read -= p_avcC->i_sps_length[i];
1411 if ( i != p_avcC->i_sps )
1415 MP4_GET1BYTE( p_avcC->i_pps );
1416 if( p_avcC->i_pps > 0 )
1418 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1419 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1421 if( !p_avcC->i_pps_length || !p_avcC->pps )
1424 for( i = 0; i < p_avcC->i_pps && i_read > 2; i++ )
1426 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1427 if( p_avcC->i_pps_length[i] > i_read )
1429 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1430 if( p_avcC->pps[i] )
1431 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1433 p_peek += p_avcC->i_pps_length[i];
1434 i_read -= p_avcC->i_pps_length[i];
1436 if ( i != p_avcC->i_pps )
1441 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1442 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1443 p_avcC->i_length_size,
1444 p_avcC->i_sps, p_avcC->i_pps );
1445 for( i = 0; i < p_avcC->i_sps; i++ )
1447 msg_Dbg( p_stream, " - sps[%d] length=%d",
1448 i, p_avcC->i_sps_length[i] );
1450 for( i = 0; i < p_avcC->i_pps; i++ )
1452 msg_Dbg( p_stream, " - pps[%d] length=%d",
1453 i, p_avcC->i_pps_length[i] );
1457 MP4_READBOX_EXIT( 1 );
1460 MP4_FreeBox_avcC( p_box );
1461 MP4_READBOX_EXIT( 0 );
1464 static int MP4_ReadBox_stsdext_chan( stream_t *p_stream, MP4_Box_t *p_box )
1466 MP4_READBOX_ENTER( MP4_Box_data_chan_t );
1467 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
1470 MP4_READBOX_EXIT( 0 );
1472 MP4_GET1BYTE( p_chan->i_version );
1473 MP4_GET3BYTES( p_chan->i_channels_flags );
1474 MP4_GET4BYTES( p_chan->layout.i_channels_layout_tag );
1475 MP4_GET4BYTES( p_chan->layout.i_channels_bitmap );
1476 MP4_GET4BYTES( p_chan->layout.i_channels_description_count );
1477 if ( i_read < p_chan->layout.i_channels_description_count * 24 )
1478 MP4_READBOX_EXIT( 0 );
1480 p_chan->layout.p_descriptions =
1481 malloc( p_chan->layout.i_channels_description_count * 24 );
1483 if ( !p_chan->layout.p_descriptions )
1484 MP4_READBOX_EXIT( 0 );
1486 for( uint32_t i=0; i<p_chan->layout.i_channels_description_count; i++ )
1488 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_label );
1489 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_flags );
1490 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[0] );
1491 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[1] );
1492 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[2] );
1497 "read box: \"chan\" flags=0x%x tag=0x%x bitmap=0x%x descriptions=%u",
1498 p_chan->i_channels_flags, p_chan->layout.i_channels_layout_tag,
1499 p_chan->layout.i_channels_bitmap, p_chan->layout.i_channels_description_count );
1501 MP4_READBOX_EXIT( 1 );
1504 static void MP4_FreeBox_stsdext_chan( MP4_Box_t *p_box )
1506 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
1507 free( p_chan->layout.p_descriptions );
1510 static int MP4_ReadBox_dec3( stream_t *p_stream, MP4_Box_t *p_box )
1512 MP4_READBOX_ENTER( MP4_Box_data_dec3_t );
1514 MP4_Box_data_dec3_t *p_dec3 = p_box->data.p_dec3;
1517 MP4_GET2BYTES( i_header );
1519 p_dec3->i_data_rate = i_header >> 3;
1520 p_dec3->i_num_ind_sub = (i_header & 0x7) + 1;
1521 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++) {
1522 MP4_GET3BYTES( i_header );
1523 p_dec3->stream[i].i_fscod = ( i_header >> 22 ) & 0x03;
1524 p_dec3->stream[i].i_bsid = ( i_header >> 17 ) & 0x01f;
1525 p_dec3->stream[i].i_bsmod = ( i_header >> 12 ) & 0x01f;
1526 p_dec3->stream[i].i_acmod = ( i_header >> 9 ) & 0x07;
1527 p_dec3->stream[i].i_lfeon = ( i_header >> 8 ) & 0x01;
1528 p_dec3->stream[i].i_num_dep_sub = (i_header >> 1) & 0x0f;
1529 if (p_dec3->stream[i].i_num_dep_sub) {
1530 MP4_GET1BYTE( p_dec3->stream[i].i_chan_loc );
1531 p_dec3->stream[i].i_chan_loc |= (i_header & 1) << 8;
1533 p_dec3->stream[i].i_chan_loc = 0;
1538 "read box: \"dec3\" bitrate %dkbps %d independant substreams",
1539 p_dec3->i_data_rate, p_dec3->i_num_ind_sub);
1541 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++)
1543 "\tstream %d: bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x "
1544 "num dependant subs=%d chan_loc=0x%x",
1545 i, p_dec3->stream[i].i_bsid, p_dec3->stream[i].i_bsmod, p_dec3->stream[i].i_acmod,
1546 p_dec3->stream[i].i_lfeon, p_dec3->stream[i].i_num_dep_sub, p_dec3->stream[i].i_chan_loc );
1548 MP4_READBOX_EXIT( 1 );
1551 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
1553 MP4_Box_data_dac3_t *p_dac3;
1554 MP4_READBOX_ENTER( MP4_Box_data_dac3_t );
1556 p_dac3 = p_box->data.p_dac3;
1559 MP4_GET3BYTES( i_header );
1561 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
1562 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
1563 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
1564 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
1565 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
1566 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
1570 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
1571 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 );
1573 MP4_READBOX_EXIT( 1 );
1576 static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
1578 MP4_Box_data_dvc1_t *p_dvc1;
1580 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t );
1581 p_dvc1 = p_box->data.p_dvc1;
1583 MP4_GET1BYTE( p_dvc1->i_profile_level ); /* profile is on 4bits, level 3bits */
1584 uint8_t i_profile = (p_dvc1->i_profile_level & 0xf0) >> 4;
1585 if( i_profile != 0x06 && i_profile != 0x0c )
1587 msg_Warn( p_stream, "unsupported VC-1 profile (%"PRIu8"), please report", i_profile );
1588 MP4_READBOX_EXIT( 0 );
1592 p_dvc1->i_vc1 = p_box->i_size - 7; /* Header + profile_level */
1594 if( p_dvc1->i_vc1 > 0 )
1596 uint8_t *p = p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 );
1598 memcpy( p, p_peek, i_read );
1603 "read box: \"dvc1\" profile=%"PRIu8" level=%i",
1604 i_profile, p_dvc1->i_profile_level & 0x0e >> 1 );
1607 MP4_READBOX_EXIT( 1 );
1610 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
1612 MP4_Box_data_enda_t *p_enda;
1613 MP4_READBOX_ENTER( MP4_Box_data_enda_t );
1615 p_enda = p_box->data.p_enda;
1617 MP4_GET2BYTES( p_enda->i_little_endian );
1621 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
1623 MP4_READBOX_EXIT( 1 );
1626 static int MP4_ReadBox_gnre( stream_t *p_stream, MP4_Box_t *p_box )
1628 MP4_Box_data_gnre_t *p_gnre;
1629 MP4_READBOX_ENTER( MP4_Box_data_gnre_t );
1631 p_gnre = p_box->data.p_gnre;
1633 uint32_t i_data_len;
1634 uint32_t i_data_tag;
1636 MP4_GET4BYTES( i_data_len );
1637 MP4_GETFOURCC( i_data_tag );
1638 if( i_data_len < 10 || i_data_tag != ATOM_data )
1639 MP4_READBOX_EXIT( 0 );
1642 VLC_UNUSED(i_version);
1643 uint32_t i_reserved;
1644 VLC_UNUSED(i_reserved);
1645 MP4_GET4BYTES( i_version );
1646 MP4_GET4BYTES( i_reserved );
1647 MP4_GET2BYTES( p_gnre->i_genre );
1648 if( p_gnre->i_genre == 0 )
1649 MP4_READBOX_EXIT( 0 );
1651 msg_Dbg( p_stream, "read box: \"gnre\" genre=%i", p_gnre->i_genre );
1654 MP4_READBOX_EXIT( 1 );
1657 static int MP4_ReadBox_trkn( stream_t *p_stream, MP4_Box_t *p_box )
1659 MP4_Box_data_trkn_t *p_trkn;
1660 MP4_READBOX_ENTER( MP4_Box_data_trkn_t );
1662 p_trkn = p_box->data.p_trkn;
1664 uint32_t i_data_len;
1665 uint32_t i_data_tag;
1667 MP4_GET4BYTES( i_data_len );
1668 MP4_GETFOURCC( i_data_tag );
1669 if( i_data_len < 12 || i_data_tag != ATOM_data )
1670 MP4_READBOX_EXIT( 0 );
1673 VLC_UNUSED(i_version);
1674 uint32_t i_reserved;
1675 VLC_UNUSED(i_reserved);
1676 MP4_GET4BYTES( i_version );
1677 MP4_GET4BYTES( i_reserved );
1678 MP4_GET2BYTES( i_reserved );
1679 MP4_GET2BYTES( p_trkn->i_track_number );
1681 msg_Dbg( p_stream, "read box: \"trkn\" number=%i", p_trkn->i_track_number );
1683 if( i_data_len > 15 )
1685 MP4_GET2BYTES( p_trkn->i_track_total );
1687 msg_Dbg( p_stream, "read box: \"trkn\" total=%i", p_trkn->i_track_total );
1691 MP4_READBOX_EXIT( 1 );
1694 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1696 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1697 p_box->data.p_sample_soun->p_qt_description = NULL;
1699 /* Sanity check needed because the "wave" box does also contain an
1700 * "mp4a" box that we don't understand. */
1704 MP4_READBOX_EXIT( 1 );
1707 for( unsigned i = 0; i < 6 ; i++ )
1709 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1712 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1715 * XXX hack -> produce a copy of the nearly complete chunk
1717 p_box->data.p_sample_soun->i_qt_description = 0;
1718 p_box->data.p_sample_soun->p_qt_description = NULL;
1721 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1722 if( p_box->data.p_sample_soun->p_qt_description )
1724 p_box->data.p_sample_soun->i_qt_description = i_read;
1725 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1729 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1730 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1731 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1733 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1734 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1735 MP4_GET2BYTES( p_box->data.p_sample_soun->i_compressionid );
1736 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1737 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1738 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1740 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1742 /* SoundDescriptionV1 */
1743 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1744 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1745 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1746 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1750 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1751 "bytes/frame=%d bytes/sample=%d",
1752 p_box->data.p_sample_soun->i_sample_per_packet,
1753 p_box->data.p_sample_soun->i_bytes_per_packet,
1754 p_box->data.p_sample_soun->i_bytes_per_frame,
1755 p_box->data.p_sample_soun->i_bytes_per_sample );
1757 stream_Seek( p_stream, p_box->i_pos +
1758 mp4_box_headersize( p_box ) + 44 );
1760 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1762 /* SoundDescriptionV2 */
1763 double f_sample_rate;
1765 uint32_t i_channel, i_extoffset, i_dummy32;
1768 if ( p_box->data.p_sample_soun->i_channelcount != 0x3 ||
1769 p_box->data.p_sample_soun->i_samplesize != 0x0010 ||
1770 p_box->data.p_sample_soun->i_compressionid != 0xFFFE ||
1771 p_box->data.p_sample_soun->i_reserved3 != 0x0 ||
1772 p_box->data.p_sample_soun->i_sampleratehi != 0x1 ||//65536
1773 p_box->data.p_sample_soun->i_sampleratelo != 0x0 ) //remainder
1775 msg_Err( p_stream, "invalid stsd V2 box defaults" );
1776 MP4_READBOX_EXIT( 0 );
1780 MP4_GET4BYTES( i_extoffset ); /* offset to stsd extentions */
1781 MP4_GET8BYTES( i_dummy64 );
1782 memcpy( &f_sample_rate, &i_dummy64, 8 );
1783 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1784 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % BLOCK16x16;
1785 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / BLOCK16x16;
1787 MP4_GET4BYTES( i_channel );
1788 p_box->data.p_sample_soun->i_channelcount = i_channel;
1790 MP4_GET4BYTES( i_dummy32 );
1791 if ( i_dummy32 != 0x7F000000 )
1793 msg_Err( p_stream, "invalid stsd V2 box" );
1794 MP4_READBOX_EXIT( 0 );
1797 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbitsperchannel );
1798 MP4_GET4BYTES( p_box->data.p_sample_soun->i_formatflags );
1799 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbytesperaudiopacket );
1800 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
1803 msg_Dbg( p_stream, "read box: \"soun\" V2 rate=%f bitsperchannel=%u "
1804 "flags=%u bytesperpacket=%u lpcmframesperpacket=%u",
1806 p_box->data.p_sample_soun->i_constbitsperchannel,
1807 p_box->data.p_sample_soun->i_formatflags,
1808 p_box->data.p_sample_soun->i_constbytesperaudiopacket,
1809 p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
1811 if ( i_extoffset < p_box->i_size )
1812 stream_Seek( p_stream, p_box->i_pos + i_extoffset );
1814 stream_Seek( p_stream, p_box->i_pos + p_box->i_size );
1818 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1819 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1820 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1821 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1824 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1827 stream_Seek( p_stream, p_box->i_pos +
1828 mp4_box_headersize( p_box ) + 28 );
1831 if( p_box->i_type == ATOM_drms )
1833 msg_Warn( p_stream, "DRM protected streams are not supported." );
1834 MP4_READBOX_EXIT( 0 );
1837 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
1839 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1840 p_box->data.p_sample_soun->i_channelcount = 1;
1843 /* Loads extensions */
1844 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1847 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1848 "sample size %d sample rate %f",
1849 p_box->data.p_sample_soun->i_channelcount,
1850 p_box->data.p_sample_soun->i_samplesize,
1851 (float)p_box->data.p_sample_soun->i_sampleratehi +
1852 (float)p_box->data.p_sample_soun->i_sampleratelo / BLOCK16x16 );
1855 MP4_READBOX_EXIT( 1 );
1859 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1861 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1865 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1867 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1869 for( unsigned i = 0; i < 6 ; i++ )
1871 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1874 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1877 * XXX hack -> produce a copy of the nearly complete chunk
1881 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1882 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
1883 MP4_READBOX_EXIT( 0 );
1884 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1885 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1890 p_box->data.p_sample_vide->i_qt_image_description = 0;
1891 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1894 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1895 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1896 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1898 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1899 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1901 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1902 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1904 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1905 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1907 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1908 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1910 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1911 p_peek += 32; i_read -= 32;
1913 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1914 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1916 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 78);
1918 if( p_box->i_type == ATOM_drmi )
1920 msg_Warn( p_stream, "DRM protected streams are not supported." );
1921 MP4_READBOX_EXIT( 0 );
1924 MP4_ReadBoxContainerRaw( p_stream, p_box );
1927 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1928 p_box->data.p_sample_vide->i_width,
1929 p_box->data.p_sample_vide->i_height,
1930 p_box->data.p_sample_vide->i_depth );
1933 MP4_READBOX_EXIT( 1 );
1937 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1939 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1942 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1944 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1945 MP4_ReadBoxContainerRaw( p_stream, p_box );
1949 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1953 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1955 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1956 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1958 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1960 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1965 /* FIXME search right signification */
1967 p_box->data.p_sample_text->i_justification_horizontal = 1;
1968 p_box->data.p_sample_text->i_justification_vertical = 1;
1970 case -1: // Flush Right
1971 p_box->data.p_sample_text->i_justification_horizontal = -1;
1972 p_box->data.p_sample_text->i_justification_vertical = -1;
1974 case -2: // Flush Left
1975 p_box->data.p_sample_text->i_justification_horizontal = 0;
1976 p_box->data.p_sample_text->i_justification_vertical = 0;
1978 case 0: // Flush Default
1980 p_box->data.p_sample_text->i_justification_horizontal = 1;
1981 p_box->data.p_sample_text->i_justification_vertical = -1;
1985 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1986 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1987 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1988 p_box->data.p_sample_text->i_background_color[3] = 0xFF;
1990 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1991 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1992 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1993 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1996 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1998 MP4_READBOX_EXIT( 1 );
2001 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
2003 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
2005 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2006 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2008 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2010 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2012 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
2013 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
2015 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
2016 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
2017 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
2018 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
2020 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2021 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2022 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2023 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2025 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved3 );
2027 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_id );
2028 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_face );
2029 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_size );
2030 MP4_GET4BYTES( p_box->data.p_sample_text->i_font_color );
2033 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
2035 MP4_READBOX_EXIT( 1 );
2040 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
2041 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
2043 FREENULL( p_box->data.p_sample_text->psz_text_name );
2048 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
2051 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
2053 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
2055 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
2057 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
2059 MP4_ReadBoxContainerRaw( p_stream, p_box );
2062 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
2063 p_box->data.p_stsd->i_entry_count );
2066 MP4_READBOX_EXIT( 1 );
2070 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
2072 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
2074 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
2076 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
2077 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
2079 if( p_box->data.p_stsz->i_sample_size == 0 )
2081 p_box->data.p_stsz->i_entry_size =
2082 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
2083 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
2084 MP4_READBOX_EXIT( 0 );
2086 for( unsigned int i = 0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
2088 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
2092 p_box->data.p_stsz->i_entry_size = NULL;
2095 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
2096 p_box->data.p_stsz->i_sample_size,
2097 p_box->data.p_stsz->i_sample_count );
2100 MP4_READBOX_EXIT( 1 );
2103 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
2105 FREENULL( p_box->data.p_stsz->i_entry_size );
2108 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
2110 FREENULL( p_box->data.p_stsc->i_first_chunk );
2111 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
2112 FREENULL( p_box->data.p_stsc->i_sample_description_index );
2115 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
2117 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
2119 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
2121 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
2123 p_box->data.p_stsc->i_first_chunk =
2124 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
2125 p_box->data.p_stsc->i_samples_per_chunk =
2126 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
2127 p_box->data.p_stsc->i_sample_description_index =
2128 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
2129 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
2130 || p_box->data.p_stsc->i_samples_per_chunk == NULL
2131 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
2133 MP4_READBOX_EXIT( 0 );
2136 for( unsigned int i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
2138 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
2139 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
2140 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
2144 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
2145 p_box->data.p_stsc->i_entry_count );
2148 MP4_READBOX_EXIT( 1 );
2151 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
2153 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
2155 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
2157 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
2159 p_box->data.p_co64->i_chunk_offset =
2160 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
2161 if( p_box->data.p_co64->i_chunk_offset == NULL )
2162 MP4_READBOX_EXIT( 0 );
2164 for( unsigned int i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
2166 if( p_box->i_type == ATOM_stco )
2172 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2180 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2185 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
2186 p_box->data.p_co64->i_entry_count );
2189 MP4_READBOX_EXIT( 1 );
2192 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
2194 FREENULL( p_box->data.p_co64->i_chunk_offset );
2197 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
2199 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
2201 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
2203 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
2205 p_box->data.p_stss->i_sample_number =
2206 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
2207 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
2208 MP4_READBOX_EXIT( 0 );
2211 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
2214 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
2215 /* XXX in libmp4 sample begin at 0 */
2216 p_box->data.p_stss->i_sample_number[i]--;
2218 if ( i < p_box->data.p_stss->i_entry_count )
2219 p_box->data.p_stss->i_entry_count = i;
2222 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
2223 p_box->data.p_stss->i_entry_count );
2226 MP4_READBOX_EXIT( 1 );
2229 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
2231 FREENULL( p_box->data.p_stss->i_sample_number );
2234 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
2236 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
2237 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
2240 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
2242 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
2244 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
2247 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
2249 p_box->data.p_stsh->i_shadowed_sample_number =
2250 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2251 p_box->data.p_stsh->i_sync_sample_number =
2252 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2254 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
2255 || p_box->data.p_stsh->i_sync_sample_number == NULL )
2257 MP4_READBOX_EXIT( 0 );
2261 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
2263 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
2264 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
2266 if ( i < p_box->data.p_stss->i_entry_count )
2267 p_box->data.p_stss->i_entry_count = i;
2270 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
2271 p_box->data.p_stsh->i_entry_count );
2273 MP4_READBOX_EXIT( 1 );
2277 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
2279 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
2281 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
2283 p_box->data.p_stdp->i_priority =
2284 calloc( i_read / 2, sizeof(uint16_t) );
2286 if( unlikely( !p_box->data.p_stdp->i_priority ) )
2287 MP4_READBOX_EXIT( 0 );
2289 for( unsigned i = 0; i < i_read / 2 ; i++ )
2291 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
2295 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2299 MP4_READBOX_EXIT( 1 );
2302 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
2304 FREENULL( p_box->data.p_stdp->i_priority );
2307 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
2309 FREENULL( p_box->data.p_padb->i_reserved1 );
2310 FREENULL( p_box->data.p_padb->i_pad2 );
2311 FREENULL( p_box->data.p_padb->i_reserved2 );
2312 FREENULL( p_box->data.p_padb->i_pad1 );
2315 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
2319 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
2321 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
2323 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
2324 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
2326 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
2327 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
2328 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
2329 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
2330 if( p_box->data.p_padb->i_reserved1 == NULL
2331 || p_box->data.p_padb->i_pad2 == NULL
2332 || p_box->data.p_padb->i_reserved2 == NULL
2333 || p_box->data.p_padb->i_pad1 == NULL )
2335 MP4_READBOX_EXIT( 0 );
2338 for( unsigned int i = 0; i < i_read / 2 ; i++ )
2342 MP4_READBOX_EXIT( 0 );
2344 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
2345 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
2346 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
2347 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
2349 p_peek += 1; i_read -= 1;
2353 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2357 MP4_READBOX_EXIT( 1 );
2360 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
2362 FREENULL( p_box->data.p_elst->i_segment_duration );
2363 FREENULL( p_box->data.p_elst->i_media_time );
2364 FREENULL( p_box->data.p_elst->i_media_rate_integer );
2365 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
2368 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
2370 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
2372 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
2375 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
2377 p_box->data.p_elst->i_segment_duration =
2378 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2379 p_box->data.p_elst->i_media_time =
2380 calloc( p_box->data.p_elst->i_entry_count, sizeof(int64_t) );
2381 p_box->data.p_elst->i_media_rate_integer =
2382 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2383 p_box->data.p_elst->i_media_rate_fraction =
2384 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2385 if( p_box->data.p_elst->i_segment_duration == NULL
2386 || p_box->data.p_elst->i_media_time == NULL
2387 || p_box->data.p_elst->i_media_rate_integer == NULL
2388 || p_box->data.p_elst->i_media_rate_fraction == NULL )
2390 MP4_READBOX_EXIT( 0 );
2394 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
2396 if( p_box->data.p_elst->i_version == 1 )
2400 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
2402 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
2408 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
2410 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
2411 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
2414 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
2415 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
2417 if ( i < p_box->data.p_elst->i_entry_count )
2418 p_box->data.p_elst->i_entry_count = i;
2420 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
2421 (unsigned long)p_box->data.p_elst->i_entry_count );
2423 MP4_READBOX_EXIT( 1 );
2426 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
2428 unsigned int i_language;
2430 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
2432 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
2434 i_language = GetWBE( p_peek );
2435 for( unsigned i = 0; i < 3; i++ )
2437 p_box->data.p_cprt->i_language[i] =
2438 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
2440 p_peek += 2; i_read -= 2;
2441 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
2444 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
2445 p_box->data.p_cprt->i_language[0],
2446 p_box->data.p_cprt->i_language[1],
2447 p_box->data.p_cprt->i_language[2],
2448 p_box->data.p_cprt->psz_notice );
2451 MP4_READBOX_EXIT( 1 );
2454 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
2456 FREENULL( p_box->data.p_cprt->psz_notice );
2460 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
2462 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
2464 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
2467 "read box: \"dcom\" compression algorithm : %4.4s",
2468 (char*)&p_box->data.p_dcom->i_algorithm );
2470 MP4_READBOX_EXIT( 1 );
2473 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
2475 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
2477 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
2479 p_box->data.p_cmvd->i_compressed_size = i_read;
2481 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
2482 MP4_READBOX_EXIT( 0 );
2484 /* now copy compressed data */
2485 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
2487 p_box->data.p_cmvd->b_compressed = 1;
2490 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
2491 p_box->data.p_cmvd->i_compressed_size );
2494 MP4_READBOX_EXIT( 1 );
2496 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
2498 FREENULL( p_box->data.p_cmvd->p_data );
2502 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
2508 stream_t *p_stream_memory;
2514 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
2517 if( !p_box->p_father ||
2518 ( p_box->p_father->i_type != ATOM_moov &&
2519 p_box->p_father->i_type != ATOM_foov ) )
2521 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
2525 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
2530 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
2531 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
2532 p_cmvd->data.p_cmvd->p_data == NULL )
2534 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
2538 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
2540 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
2541 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
2546 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
2550 /* decompress data */
2551 /* allocate a new buffer */
2552 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
2554 /* init default structures */
2555 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
2556 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
2557 z_data.next_out = p_data;
2558 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
2559 z_data.zalloc = (alloc_func)Z_NULL;
2560 z_data.zfree = (free_func)Z_NULL;
2561 z_data.opaque = (voidpf)Z_NULL;
2564 if( inflateInit( &z_data ) != Z_OK )
2566 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2572 i_result = inflate( &z_data, Z_NO_FLUSH );
2573 if( i_result != Z_OK && i_result != Z_STREAM_END )
2575 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2580 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
2582 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
2585 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
2588 if( inflateEnd( &z_data ) != Z_OK )
2590 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2594 free( p_cmvd->data.p_cmvd->p_data );
2595 p_cmvd->data.p_cmvd->p_data = p_data;
2596 p_cmvd->data.p_cmvd->b_compressed = 0;
2598 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
2600 /* now create a memory stream */
2602 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2603 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2605 /* and read uncompressd moov */
2606 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2608 stream_Delete( p_stream_memory );
2611 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2614 return p_box->data.p_cmov->p_moov ? 1 : 0;
2615 #endif /* HAVE_ZLIB_H */
2618 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2621 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2623 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2624 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2625 MP4_GET4BYTES( i_len );
2630 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2631 if( p_box->data.p_rdrf->psz_ref == NULL )
2632 MP4_READBOX_EXIT( 0 );
2635 for( unsigned i = 0; i < i_len; i++ )
2637 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2639 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2643 p_box->data.p_rdrf->psz_ref = NULL;
2648 "read box: \"rdrf\" type:%4.4s ref %s",
2649 (char*)&p_box->data.p_rdrf->i_ref_type,
2650 p_box->data.p_rdrf->psz_ref );
2652 MP4_READBOX_EXIT( 1 );
2655 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2657 FREENULL( p_box->data.p_rdrf->psz_ref );
2661 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2663 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2665 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2667 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2671 "read box: \"rmdr\" rate:%d",
2672 p_box->data.p_rmdr->i_rate );
2674 MP4_READBOX_EXIT( 1 );
2677 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2679 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2681 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2685 "read box: \"rmqu\" quality:%d",
2686 p_box->data.p_rmqu->i_quality );
2688 MP4_READBOX_EXIT( 1 );
2691 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2693 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2694 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2696 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2697 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2698 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2699 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2703 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2704 (char*)&p_box->data.p_rmvc->i_gestaltType,
2705 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2706 p_box->data.p_rmvc->i_checkType );
2709 MP4_READBOX_EXIT( 1 );
2712 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
2714 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2716 MP4_GETFOURCC( p_box->data.p_frma->i_type );
2719 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
2720 (char *)&p_box->data.p_frma->i_type );
2723 MP4_READBOX_EXIT( 1 );
2726 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
2728 MP4_READBOX_ENTER( MP4_Box_data_skcr_t );
2730 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
2731 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
2732 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
2735 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
2736 p_box->data.p_skcr->i_init,
2737 p_box->data.p_skcr->i_encr,
2738 p_box->data.p_skcr->i_decr );
2741 MP4_READBOX_EXIT( 1 );
2744 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2747 /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
2748 * so unless data decrypt itself by magic, there will be no playback,
2749 * but we never know... */
2750 msg_Warn( p_stream, "DRM protected streams are not supported." );
2754 static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
2756 MP4_READBOX_ENTER( MP4_Box_data_name_t );
2758 p_box->data.p_name->psz_text = malloc( p_box->i_size + 1 - 8 ); /* +\0, -name, -size */
2759 if( p_box->data.p_name->psz_text == NULL )
2760 MP4_READBOX_EXIT( 0 );
2762 memcpy( p_box->data.p_name->psz_text, p_peek, p_box->i_size - 8 );
2763 p_box->data.p_name->psz_text[p_box->i_size - 8] = '\0';
2766 msg_Dbg( p_stream, "read box: \"name\" text=`%s'",
2767 p_box->data.p_name->psz_text );
2769 MP4_READBOX_EXIT( 1 );
2772 static void MP4_FreeBox_name( MP4_Box_t *p_box )
2774 FREENULL( p_box->data.p_name->psz_text );
2777 static int MP4_ReadBox_data( stream_t *p_stream, MP4_Box_t *p_box )
2779 MP4_READBOX_ENTER( MP4_Box_data_data_t );
2781 /* What's that header ?? */
2783 MP4_READBOX_EXIT( 0 );
2785 p_box->data.p_data->p_blob = malloc( i_read - 8 );
2786 if ( !p_box->data.p_data->p_blob )
2787 MP4_READBOX_EXIT( 0 );
2789 p_box->data.p_data->i_blob = i_read - 8;
2790 memcpy( p_box->data.p_data->p_blob, p_peek + 8, i_read - 8 );
2792 MP4_READBOX_EXIT( 1 );
2795 static void MP4_FreeBox_data( MP4_Box_t *p_box )
2797 free( p_box->data.p_data->p_blob );
2800 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2804 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2806 p_box->data.p_0xa9xxx->psz_text = NULL;
2808 MP4_GET2BYTES( i16 );
2814 MP4_GET2BYTES( i16 );
2815 if( i_length >= i_read ) i_length = i_read + 1;
2817 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2818 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2819 MP4_READBOX_EXIT( 0 );
2822 memcpy( p_box->data.p_0xa9xxx->psz_text,
2824 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2828 "read box: \"c%3.3s\" text=`%s'",
2829 ((char*)&p_box->i_type + 1),
2830 p_box->data.p_0xa9xxx->psz_text );
2835 /* try iTune/Quicktime format, rewind to start */
2836 p_peek -= 2; i_read += 2;
2837 // we are expecting a 'data' box
2838 uint32_t i_data_len;
2839 uint32_t i_data_tag;
2841 MP4_GET4BYTES( i_data_len );
2842 if( i_data_len > i_read ) i_data_len = i_read;
2843 MP4_GETFOURCC( i_data_tag );
2844 if( (i_data_len > 0) && (i_data_tag == ATOM_data) )
2846 /* data box contains a version/flags field */
2848 uint32_t i_reserved;
2849 VLC_UNUSED(i_reserved);
2850 MP4_GET4BYTES( i_version );
2851 MP4_GET4BYTES( i_reserved );
2852 // version should be 0, flags should be 1 for text, 0 for data
2853 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2855 // the rest is the text
2857 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2858 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2859 MP4_READBOX_EXIT( 0 );
2861 memcpy( p_box->data.p_0xa9xxx->psz_text,
2862 p_peek, i_data_len );
2863 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2866 "read box: \"c%3.3s\" text=`%s'",
2867 ((char*)&p_box->i_type+1),
2868 p_box->data.p_0xa9xxx->psz_text );
2873 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2878 MP4_READBOX_EXIT( 1 );
2880 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2882 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2885 /* Chapter support */
2886 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2888 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2889 for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
2890 free( p_chpl->chapter[i].psz_name );
2893 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2895 MP4_Box_data_chpl_t *p_chpl;
2897 VLC_UNUSED(i_dummy);
2899 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2901 p_chpl = p_box->data.p_chpl;
2903 MP4_GETVERSIONFLAGS( p_chpl );
2905 MP4_GET4BYTES( i_dummy );
2907 MP4_GET1BYTE( p_chpl->i_chapter );
2909 for( i = 0; i < p_chpl->i_chapter; i++ )
2914 MP4_GET8BYTES( i_start );
2915 MP4_GET1BYTE( i_len );
2917 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2918 if( !p_chpl->chapter[i].psz_name )
2919 MP4_READBOX_EXIT( 0 );
2921 i_copy = __MIN( i_len, i_read );
2923 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2924 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2925 p_chpl->chapter[i].i_start = i_start;
2930 /* Bubble sort by increasing start date */
2933 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2935 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2937 char *psz = p_chpl->chapter[i+1].psz_name;
2938 int64_t i64 = p_chpl->chapter[i+1].i_start;
2940 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2941 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2943 p_chpl->chapter[i].psz_name = psz;
2944 p_chpl->chapter[i].i_start = i64;
2953 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2954 p_chpl->i_chapter );
2956 MP4_READBOX_EXIT( 1 );
2959 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2961 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2963 p_box->data.p_tref_generic->i_track_ID = NULL;
2964 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2965 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2966 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
2967 if( p_box->data.p_tref_generic->i_track_ID == NULL )
2968 MP4_READBOX_EXIT( 0 );
2970 for( unsigned i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2972 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2975 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2976 p_box->data.p_tref_generic->i_entry_count );
2979 MP4_READBOX_EXIT( 1 );
2981 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2983 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2986 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2988 uint8_t meta_data[8];
2989 int i_actually_read;
2991 // skip over box header
2992 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2993 if( i_actually_read < 8 )
2996 if ( !p_box->p_father )
2999 switch( p_box->p_father->i_type )
3001 case ATOM_udta: /* itunes udta/meta */
3002 /* meta content starts with a 4 byte version/flags value (should be 0) */
3003 i_actually_read = stream_Read( p_stream, meta_data, 4 );
3004 if( i_actually_read < 4 )
3007 /* then it behaves like a container */
3008 return MP4_ReadBoxContainerRaw( p_stream, p_box );
3010 default: /* regular meta atom */
3012 i_actually_read = stream_Read( p_stream, meta_data, 8 );
3013 if( i_actually_read < 8 )
3017 if ( VLC_FOURCC( meta_data[4], meta_data[5], meta_data[6], meta_data[7] ) != ATOM_hdlr )
3025 static int MP4_ReadBox_iods( stream_t *p_stream, MP4_Box_t *p_box )
3028 VLC_UNUSED(i_unused);
3030 MP4_READBOX_ENTER( MP4_Box_data_iods_t );
3031 MP4_GETVERSIONFLAGS( p_box->data.p_iods );
3033 MP4_GET1BYTE( i_unused ); /* tag */
3034 MP4_GET1BYTE( i_unused ); /* length */
3036 MP4_GET2BYTES( p_box->data.p_iods->i_object_descriptor ); /* 10bits, 6 other bits
3037 are used for other flags */
3038 MP4_GET1BYTE( p_box->data.p_iods->i_OD_profile_level );
3039 MP4_GET1BYTE( p_box->data.p_iods->i_scene_profile_level );
3040 MP4_GET1BYTE( p_box->data.p_iods->i_audio_profile_level );
3041 MP4_GET1BYTE( p_box->data.p_iods->i_visual_profile_level );
3042 MP4_GET1BYTE( p_box->data.p_iods->i_graphics_profile_level );
3046 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
3047 "visual: %i, graphics: %i",
3048 p_box->data.p_iods->i_object_descriptor >> 6,
3049 p_box->data.p_iods->i_OD_profile_level,
3050 p_box->data.p_iods->i_scene_profile_level,
3051 p_box->data.p_iods->i_audio_profile_level,
3052 p_box->data.p_iods->i_visual_profile_level,
3053 p_box->data.p_iods->i_graphics_profile_level );
3056 MP4_READBOX_EXIT( 1 );
3059 static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
3061 MP4_READBOX_ENTER( MP4_Box_data_pasp_t );
3063 MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
3064 MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
3068 "read box: \"paps\" %dx%d",
3069 p_box->data.p_pasp->i_horizontal_spacing,
3070 p_box->data.p_pasp->i_vertical_spacing);
3073 MP4_READBOX_EXIT( 1 );
3076 static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
3078 MP4_READBOX_ENTER( MP4_Box_data_mehd_t );
3080 MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
3081 if( p_box->data.p_mehd->i_version == 1 )
3082 MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
3083 else /* version == 0 */
3084 MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
3088 "read box: \"mehd\" frag dur. %"PRIu64"",
3089 p_box->data.p_mehd->i_fragment_duration );
3092 MP4_READBOX_EXIT( 1 );
3095 static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
3097 MP4_READBOX_ENTER( MP4_Box_data_trex_t );
3098 MP4_GETVERSIONFLAGS( p_box->data.p_trex );
3100 MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
3101 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
3102 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
3103 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
3104 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
3108 "read box: \"trex\" trackID: %"PRIu32"",
3109 p_box->data.p_trex->i_track_ID );
3112 MP4_READBOX_EXIT( 1 );
3115 static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
3117 uint32_t i_sample_count;
3118 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t );
3119 MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
3120 MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
3121 i_sample_count = i_read;
3123 p_sdtp->p_sample_table = calloc( i_sample_count, 1 );
3125 if( !p_sdtp->p_sample_table )
3126 MP4_READBOX_EXIT( 0 );
3128 for( uint32_t i = 0; i < i_sample_count; i++ )
3129 MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
3132 msg_Dbg( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
3134 "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
3135 p_sdtp->p_sample_table[0],
3136 p_sdtp->p_sample_table[1],
3137 p_sdtp->p_sample_table[2],
3138 p_sdtp->p_sample_table[3] );
3141 MP4_READBOX_EXIT( 1 );
3144 static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
3146 FREENULL( p_box->data.p_sdtp->p_sample_table );
3149 static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
3151 MP4_READBOX_ENTER( MP4_Box_data_mfro_t );
3153 MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
3154 MP4_GET4BYTES( p_box->data.p_mfro->i_size );
3158 "read box: \"mfro\" size: %"PRIu32"",
3159 p_box->data.p_mfro->i_size);
3162 MP4_READBOX_EXIT( 1 );
3165 static int MP4_ReadBox_tfra( stream_t *p_stream, MP4_Box_t *p_box )
3167 uint32_t i_number_of_entries;
3168 MP4_READBOX_ENTER( MP4_Box_data_tfra_t );
3169 MP4_Box_data_tfra_t *p_tfra = p_box->data.p_tfra;
3170 MP4_GETVERSIONFLAGS( p_box->data.p_tfra );
3172 MP4_GET4BYTES( p_tfra->i_track_ID );
3173 uint32_t i_lengths = 0;
3174 MP4_GET4BYTES( i_lengths );
3175 MP4_GET4BYTES( p_tfra->i_number_of_entries );
3176 i_number_of_entries = p_tfra->i_number_of_entries;
3177 p_tfra->i_length_size_of_traf_num = i_lengths >> 4;
3178 p_tfra->i_length_size_of_trun_num = ( i_lengths & 0x0c ) >> 2;
3179 p_tfra->i_length_size_of_sample_num = i_lengths & 0x03;
3181 size_t size = 4 + 4*p_tfra->i_version; /* size in {4, 8} */
3182 p_tfra->p_time = calloc( i_number_of_entries, size );
3183 p_tfra->p_moof_offset = calloc( i_number_of_entries, size );
3185 size = 1 + p_tfra->i_length_size_of_traf_num; /* size in [|1, 4|] */
3186 p_tfra->p_traf_number = calloc( i_number_of_entries, size );
3187 size = 1 + p_tfra->i_length_size_of_trun_num;
3188 p_tfra->p_trun_number = calloc( i_number_of_entries, size );
3189 size = 1 + p_tfra->i_length_size_of_sample_num;
3190 p_tfra->p_sample_number = calloc( i_number_of_entries, size );
3192 if( !p_tfra->p_time || !p_tfra->p_moof_offset || !p_tfra->p_traf_number
3193 || !p_tfra->p_trun_number || !p_tfra->p_sample_number )
3196 int i_fields_length = 3 + p_tfra->i_length_size_of_traf_num
3197 + p_tfra->i_length_size_of_trun_num
3198 + p_tfra->i_length_size_of_sample_num;
3201 for( i = 0; i < i_number_of_entries; i++ )
3204 if( p_tfra->i_version == 1 )
3206 if ( i_read < i_fields_length + 16 )
3208 MP4_GET8BYTES( p_tfra->p_time[i*2] );
3209 MP4_GET8BYTES( p_tfra->p_moof_offset[i*2] );
3213 if ( i_read < i_fields_length + 8 )
3215 MP4_GET4BYTES( p_tfra->p_time[i] );
3216 MP4_GET4BYTES( p_tfra->p_moof_offset[i] );
3218 switch (p_tfra->i_length_size_of_traf_num)
3221 MP4_GET1BYTE( p_tfra->p_traf_number[i] );
3224 MP4_GET2BYTES( p_tfra->p_traf_number[i*2] );
3227 MP4_GET3BYTES( p_tfra->p_traf_number[i*3] );
3230 MP4_GET4BYTES( p_tfra->p_traf_number[i*4] );
3236 switch (p_tfra->i_length_size_of_trun_num)
3239 MP4_GET1BYTE( p_tfra->p_trun_number[i] );
3242 MP4_GET2BYTES( p_tfra->p_trun_number[i*2] );
3245 MP4_GET3BYTES( p_tfra->p_trun_number[i*3] );
3248 MP4_GET4BYTES( p_tfra->p_trun_number[i*4] );
3254 switch (p_tfra->i_length_size_of_sample_num)
3257 MP4_GET1BYTE( p_tfra->p_sample_number[i] );
3260 MP4_GET2BYTES( p_tfra->p_sample_number[i*2] );
3263 MP4_GET3BYTES( p_tfra->p_sample_number[i*3] );
3266 MP4_GET4BYTES( p_tfra->p_sample_number[i*4] );
3272 if ( i < i_number_of_entries )
3273 i_number_of_entries = i;
3276 if( p_tfra->i_version == 0 )
3278 msg_Dbg( p_stream, "time[0]: %"PRIu32", moof_offset[0]: %"PRIx32"",
3279 p_tfra->p_time[0], p_tfra->p_moof_offset[0] );
3281 msg_Dbg( p_stream, "time[1]: %"PRIu32", moof_offset[1]: %"PRIx32"",
3282 p_tfra->p_time[1], p_tfra->p_moof_offset[1] );
3286 msg_Dbg( p_stream, "time[0]: %"PRIu64", moof_offset[0]: %"PRIx64"",
3287 ((uint64_t *)(p_tfra->p_time))[0],
3288 ((uint64_t *)(p_tfra->p_moof_offset))[0] );
3290 msg_Dbg( p_stream, "time[1]: %"PRIu64", moof_offset[1]: %"PRIx64"",
3291 ((uint64_t *)(p_tfra->p_time))[1],
3292 ((uint64_t *)(p_tfra->p_moof_offset))[1] );
3295 msg_Dbg( p_stream, "number_of_entries is %"PRIu32"", i_number_of_entries );
3296 msg_Dbg( p_stream, "track ID is: %"PRIu32"", p_tfra->i_track_ID );
3299 MP4_READBOX_EXIT( 1 );
3301 MP4_READBOX_EXIT( 0 );
3304 static void MP4_FreeBox_tfra( MP4_Box_t *p_box )
3306 FREENULL( p_box->data.p_tfra->p_time );
3307 FREENULL( p_box->data.p_tfra->p_moof_offset );
3308 FREENULL( p_box->data.p_tfra->p_traf_number );
3309 FREENULL( p_box->data.p_tfra->p_trun_number );
3310 FREENULL( p_box->data.p_tfra->p_sample_number );
3315 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
3317 if( !p_box->p_father )
3321 if( p_box->p_father->i_type == ATOM_stsd )
3323 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
3326 if( p_mdia == NULL || p_mdia->i_type != ATOM_mdia ||
3327 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
3331 switch( p_hdlr->data.p_hdlr->i_handler_type )
3334 return MP4_ReadBox_sample_soun( p_stream, p_box );
3336 return MP4_ReadBox_sample_vide( p_stream, p_box );
3338 return MP4_ReadBox_sample_text( p_stream, p_box );
3341 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
3344 "unknown handler type in stsd (incompletely loaded)" );
3350 if MP4_BOX_TYPE_ASCII()
3352 "unknown box type %4.4s (incompletely loaded)",
3353 (char*)&p_box->i_type );
3356 "unknown box type c%3.3s (incompletely loaded)",
3357 (char*)&p_box->i_type+1 );
3358 p_box->e_flags |= BOX_FLAG_INCOMPLETE;
3363 /**** ------------------------------------------------------------------- ****/
3364 /**** "Higher level" Functions ****/
3365 /**** ------------------------------------------------------------------- ****/
3370 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
3371 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
3372 uint32_t i_parent; /* set parent to restrict, duplicating if needed; 0 for any */
3373 } MP4_Box_Function [] =
3376 { ATOM_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3377 { ATOM_foov, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3378 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moov },
3379 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_foov },
3380 { ATOM_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_trak },
3381 { ATOM_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3382 { ATOM_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_mdia },
3383 { ATOM_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3384 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3385 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_meta },
3386 { ATOM_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_trak },
3387 { ATOM_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3388 { ATOM_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3389 { ATOM_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_udta },
3390 { ATOM_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moov },
3391 { ATOM_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_rmra },
3392 { ATOM_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_trak },
3393 { ATOM_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_minf },
3394 { ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3395 { ATOM_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_meta },
3396 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moov },
3397 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_ftyp },
3400 { ATOM_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp, 0 },
3401 { ATOM_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common, 0 },
3402 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common, ATOM_moov },
3403 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common, ATOM_foov },
3404 { ATOM_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common, ATOM_trak },
3405 { ATOM_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common, ATOM_mdia },
3406 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr, ATOM_mdia },
3407 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr, ATOM_meta },
3408 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr, ATOM_minf },
3409 { ATOM_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common, ATOM_minf },
3410 { ATOM_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common, ATOM_minf },
3411 { ATOM_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common, ATOM_minf },
3412 { ATOM_alis, MP4_ReadBoxSkip, MP4_FreeBox_Common, ATOM_dref },
3413 { ATOM_url, MP4_ReadBox_url, MP4_FreeBox_url, 0 },
3414 { ATOM_urn, MP4_ReadBox_urn, MP4_FreeBox_urn, 0 },
3415 { ATOM_dref, MP4_ReadBox_dref, MP4_FreeBox_Common, 0 },
3416 { ATOM_stts, MP4_ReadBox_stts, MP4_FreeBox_stts, ATOM_stbl },
3417 { ATOM_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts, ATOM_stbl },
3418 { ATOM_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common, ATOM_stbl },
3419 { ATOM_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz, ATOM_stbl },
3420 { ATOM_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc, ATOM_stbl },
3421 { ATOM_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64, ATOM_stbl },
3422 { ATOM_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64, ATOM_stbl },
3423 { ATOM_stss, MP4_ReadBox_stss, MP4_FreeBox_stss, ATOM_stbl },
3424 { ATOM_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh, ATOM_stbl },
3425 { ATOM_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp, 0 },
3426 { ATOM_padb, MP4_ReadBox_padb, MP4_FreeBox_padb, 0 },
3427 { ATOM_elst, MP4_ReadBox_elst, MP4_FreeBox_elst, ATOM_edts },
3428 { ATOM_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt, 0 },
3429 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds, 0 },
3430 { ATOM_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common, 0 },
3431 { ATOM_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd, 0 },
3432 { ATOM_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC, 0 },
3433 { ATOM_hvcC, MP4_ReadBox_hvcC, MP4_FreeBox_hvcC, 0 },
3434 { ATOM_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common, 0 },
3435 { ATOM_dec3, MP4_ReadBox_dec3, MP4_FreeBox_Common, 0 },
3436 { ATOM_dvc1, MP4_ReadBox_dvc1, MP4_FreeBox_Common, 0 },
3437 { ATOM_enda, MP4_ReadBox_enda, MP4_FreeBox_Common, 0 },
3438 { ATOM_iods, MP4_ReadBox_iods, MP4_FreeBox_Common, 0 },
3439 { ATOM_pasp, MP4_ReadBox_pasp, MP4_FreeBox_Common, 0 },
3441 /* Nothing to do with this box */
3442 { ATOM_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3443 { ATOM_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3444 { ATOM_free, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3445 { ATOM_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3446 { ATOM_binm, MP4_ReadBoxSkip, MP4_FreeBox_Common, 0 },
3449 { ATOM_tx3g, MP4_ReadBox_sample_tx3g, MP4_FreeBox_Common, 0 },
3450 //{ ATOM_text, MP4_ReadBox_sample_text, MP4_FreeBox_Common, 0 },
3453 { ATOM_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3454 { ATOM_ac3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3455 { ATOM_eac3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3456 { ATOM_lpcm, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3457 { ATOM_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3458 { ATOM_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3459 { ATOM_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3460 { ATOM__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3461 { ATOM_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3462 { ATOM_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3463 { ATOM_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3464 { ATOM_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3465 { ATOM_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3466 { ATOM_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3467 { ATOM_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3468 { ATOM_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3469 { ATOM_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3470 { ATOM_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3471 { ATOM_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3472 { ATOM_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3473 { ATOM_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3474 { ATOM_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3475 { ATOM_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3476 { ATOM_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3477 { ATOM_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3478 { ATOM_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, ATOM_stsd },
3479 /* Sound extensions */
3480 { ATOM_chan, MP4_ReadBox_stsdext_chan, MP4_FreeBox_stsdext_chan, 0 },
3482 { ATOM_drmi, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3483 { ATOM_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3484 { ATOM_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3485 { ATOM_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3486 { ATOM_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3487 { ATOM_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3488 { ATOM_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3489 { ATOM_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3490 { ATOM_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3491 { ATOM_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3492 { ATOM_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3493 { ATOM_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3494 { ATOM_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3495 { ATOM_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3496 { ATOM_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3497 { ATOM_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3498 { ATOM_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3499 { ATOM_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3500 { ATOM_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3501 { ATOM_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3502 { ATOM_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3503 { ATOM_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3504 { ATOM_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3505 { ATOM_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3507 { ATOM_mjqt, MP4_ReadBox_default, NULL, 0 }, /* found in mjpa/b */
3508 { ATOM_mjht, MP4_ReadBox_default, NULL, 0 },
3510 { ATOM_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3511 { ATOM_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3512 { ATOM_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3513 { ATOM_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3514 { ATOM_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3515 { ATOM_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3516 { ATOM_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3518 { ATOM_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3519 { ATOM_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, ATOM_stsd },
3521 { ATOM_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, 0 },
3522 { ATOM_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide, 0 },
3524 { ATOM_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common, 0 },
3526 /* XXX there is 2 box where we could find this entry stbl and tref*/
3527 { ATOM_hint, MP4_ReadBox_default, MP4_FreeBox_Common, 0 },
3529 /* found in tref box */
3530 { ATOM_dpnd, MP4_ReadBox_default, NULL, 0 },
3531 { ATOM_ipir, MP4_ReadBox_default, NULL, 0 },
3532 { ATOM_mpod, MP4_ReadBox_default, NULL, 0 },
3533 { ATOM_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic, 0 },
3536 { ATOM_rtp, MP4_ReadBox_default, NULL, 0 },
3538 /* found in rmra/rmda */
3539 { ATOM_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf , ATOM_rmda },
3540 { ATOM_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common, ATOM_rmda },
3541 { ATOM_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common, ATOM_rmda },
3542 { ATOM_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common, ATOM_rmda },
3544 { ATOM_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun, 0 },
3545 { ATOM_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3546 { ATOM_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3547 { ATOM_user, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3548 { ATOM_key, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3549 { ATOM_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3550 { ATOM_priv, MP4_ReadBox_drms, MP4_FreeBox_Common, 0 },
3551 { ATOM_frma, MP4_ReadBox_frma, MP4_FreeBox_Common, 0 },
3552 { ATOM_skcr, MP4_ReadBox_skcr, MP4_FreeBox_Common, 0 },
3555 { ATOM_0xa9nam, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3556 { ATOM_0xa9aut, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3557 { ATOM_0xa9cpy, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3558 { ATOM_0xa9swr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3559 { ATOM_0xa9inf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3560 { ATOM_0xa9ART, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3561 { ATOM_0xa9dir, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3562 { ATOM_0xa9cmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3563 { ATOM_0xa9req, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3564 { ATOM_0xa9day, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3565 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3566 { ATOM_0xa9fmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3567 { ATOM_0xa9prd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3568 { ATOM_0xa9prf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3569 { ATOM_0xa9src, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3570 { ATOM_0xa9alb, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3571 { ATOM_0xa9dis, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3572 { ATOM_0xa9enc, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3573 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3574 { ATOM_0xa9trk, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3575 { ATOM_0xa9dsa, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3576 { ATOM_0xa9hst, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3577 { ATOM_0xa9url, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3578 { ATOM_0xa9ope, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3579 { ATOM_0xa9com, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3580 { ATOM_0xa9wrt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3581 { ATOM_0xa9too, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3582 { ATOM_0xa9wrn, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3583 { ATOM_0xa9mak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3584 { ATOM_0xa9mod, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3585 { ATOM_0xa9PRD, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3586 { ATOM_0xa9grp, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3587 { ATOM_0xa9lyr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3588 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3589 { ATOM_0xa9st3, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3590 { ATOM_0xa9ard, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3591 { ATOM_0xa9arg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3592 { ATOM_0xa9cak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3593 { ATOM_0xa9con, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3594 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3595 { ATOM_0xa9lnt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3596 { ATOM_0xa9phg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3597 { ATOM_0xa9pub, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3598 { ATOM_0xa9sne, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3599 { ATOM_0xa9sol, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3600 { ATOM_0xa9thx, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3601 { ATOM_0xa9xpd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx, ATOM_ilst },
3602 { ATOM_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl, ATOM_udta },
3604 { ATOM_gnre, MP4_ReadBox_gnre, MP4_FreeBox_Common, ATOM_ilst },
3605 { ATOM_trkn, MP4_ReadBox_trkn, MP4_FreeBox_Common, ATOM_ilst },
3607 /* iTunes/Quicktime meta info */
3608 { ATOM_meta, MP4_ReadBox_meta, MP4_FreeBox_Common, 0 },
3609 { ATOM_name, MP4_ReadBox_name, MP4_FreeBox_name, 0 },
3610 { ATOM_covr, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_ilst },
3611 { ATOM_data, MP4_ReadBox_data, MP4_FreeBox_data, 0 },
3613 /* found in smoothstreaming */
3614 { ATOM_traf, MP4_ReadBoxContainer, MP4_FreeBox_Common, ATOM_moof },
3615 { ATOM_mfra, MP4_ReadBoxContainer, MP4_FreeBox_Common, 0 },
3616 { ATOM_mfhd, MP4_ReadBox_mfhd, MP4_FreeBox_Common, ATOM_moof },
3617 { ATOM_sidx, MP4_ReadBox_sidx, MP4_FreeBox_sidx, 0 },
3618 { ATOM_tfhd, MP4_ReadBox_tfhd, MP4_FreeBox_Common, ATOM_traf },
3619 { ATOM_trun, MP4_ReadBox_trun, MP4_FreeBox_trun, ATOM_traf },
3620 { ATOM_trex, MP4_ReadBox_trex, MP4_FreeBox_Common, ATOM_mvex },
3621 { ATOM_mehd, MP4_ReadBox_mehd, MP4_FreeBox_Common, ATOM_mvex },
3622 { ATOM_sdtp, MP4_ReadBox_sdtp, MP4_FreeBox_sdtp, 0 },
3623 { ATOM_tfra, MP4_ReadBox_tfra, MP4_FreeBox_tfra, ATOM_mfra },
3624 { ATOM_mfro, MP4_ReadBox_mfro, MP4_FreeBox_Common, ATOM_mfra },
3625 { ATOM_uuid, MP4_ReadBox_uuid, MP4_FreeBox_uuid, 0 },
3628 { 0, MP4_ReadBox_default, NULL, 0 }
3632 /*****************************************************************************
3633 * MP4_ReadBox : parse the actual box and the children
3634 * XXX : Do not go to the next box
3635 *****************************************************************************/
3636 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
3638 MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
3639 unsigned int i_index;
3644 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
3646 msg_Warn( p_stream, "cannot read one box" );
3650 if( !p_box->i_size )
3652 msg_Dbg( p_stream, "found an empty box (null size)" );
3656 p_box->p_father = p_father;
3658 /* Now search function to call */
3659 for( i_index = 0; ; i_index++ )
3661 if ( MP4_Box_Function[i_index].i_parent &&
3663 p_box->p_father->i_type != MP4_Box_Function[i_index].i_parent )
3666 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3667 ( MP4_Box_Function[i_index].i_type == 0 ) )
3673 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
3675 MP4_BoxFree( p_stream, p_box );
3682 /*****************************************************************************
3683 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
3685 *****************************************************************************/
3686 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
3688 unsigned int i_index;
3694 for( p_child = p_box->p_first; p_child != NULL; )
3698 p_next = p_child->p_next;
3699 MP4_BoxFree( s, p_child );
3703 /* Now search function to call */
3704 if( p_box->data.p_payload )
3706 for( i_index = 0; ; i_index++ )
3708 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3709 ( MP4_Box_Function[i_index].i_type == 0 ) )
3714 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
3716 /* Should not happen */
3717 if MP4_BOX_TYPE_ASCII()
3719 "cannot free box %4.4s, type unknown",
3720 (char*)&p_box->i_type );
3723 "cannot free box c%3.3s, type unknown",
3724 (char*)&p_box->i_type+1 );
3728 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
3730 free( p_box->data.p_payload );
3735 /* SmooBox is a very simple MP4 box, VLC specific, used only for the stream_filter to
3736 * send information to the demux. SmooBox is actually a simplified moov box (we wanted
3737 * to avoid the hassle of building a moov box at the stream_filter level) */
3738 MP4_Box_t *MP4_BoxGetSmooBox( stream_t *s )
3740 /* p_chunk is a virtual root container for the smoo box */
3744 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3745 if( unlikely( p_chunk == NULL ) )
3748 p_chunk->i_type = ATOM_root;
3749 p_chunk->i_shortsize = 1;
3751 p_smoo = MP4_ReadBox( s, p_chunk );
3752 if( !p_smoo || p_smoo->i_type != ATOM_uuid || CmpUUID( &p_smoo->i_uuid, &SmooBoxUUID ) )
3754 msg_Warn( s, "no smoo box found!");
3758 p_chunk->p_first = p_smoo;
3759 p_chunk->p_last = p_smoo;
3768 MP4_Box_t *MP4_BoxGetNextChunk( stream_t *s )
3770 /* p_chunk is a virtual root container for the moof and mdat boxes */
3772 MP4_Box_t *p_tmp_box = NULL;
3774 p_tmp_box = calloc( 1, sizeof( MP4_Box_t ) );
3775 if( unlikely( p_tmp_box == NULL ) )
3778 /* We might get a ftyp box or a SmooBox */
3779 MP4_ReadBoxCommon( s, p_tmp_box );
3781 if( (p_tmp_box->i_type == ATOM_uuid && !CmpUUID( &p_tmp_box->i_uuid, &SmooBoxUUID )) )
3784 return MP4_BoxGetSmooBox( s );
3786 else if( p_tmp_box->i_type == ATOM_ftyp )
3789 return MP4_BoxGetRoot( s );
3793 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3794 if( unlikely( p_chunk == NULL ) )
3797 p_chunk->i_type = ATOM_root;
3798 p_chunk->i_shortsize = 1;
3800 MP4_ReadBoxContainerChildren( s, p_chunk, ATOM_moof );
3802 p_tmp_box = p_chunk->p_first;
3805 p_chunk->i_size += p_tmp_box->i_size;
3806 p_tmp_box = p_tmp_box->p_next;
3812 /*****************************************************************************
3813 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
3814 *****************************************************************************
3815 * The first box is a virtual box "root" and is the father for all first
3816 * level boxes for the file, a sort of virtual contener
3817 *****************************************************************************/
3818 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
3824 p_root = malloc( sizeof( MP4_Box_t ) );
3825 if( p_root == NULL )
3829 p_root->i_type = ATOM_root;
3830 p_root->i_shortsize = 1;
3831 /* could be a DASH stream for exemple, 0 means unknown or infinite size */
3833 CreateUUID( &p_root->i_uuid, p_root->i_type );
3835 p_root->data.p_payload = NULL;
3836 p_root->p_father = NULL;
3837 p_root->p_first = NULL;
3838 p_root->p_last = NULL;
3839 p_root->p_next = NULL;
3843 /* First get the moov */
3844 i_result = MP4_ReadBoxContainerChildren( p_stream, p_root, ATOM_moov );
3848 /* If there is a mvex box, it means fragmented MP4, and we're done */
3849 else if( MP4_BoxCount( p_root, "moov/mvex" ) > 0 )
3852 p_root->i_size = stream_Size( s );
3853 if( stream_Tell( s ) + 8 < stream_Size( s ) )
3855 /* Get the rest of the file */
3856 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
3865 /* check if there is a cmov, if so replace
3866 compressed moov by uncompressed one */
3867 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
3868 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
3869 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
3870 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
3872 /* rename the compressed moov as a box to skip */
3873 p_moov->i_type = ATOM_skip;
3875 /* get uncompressed p_moov */
3876 p_moov = p_cmov->data.p_cmov->p_moov;
3877 p_cmov->data.p_cmov->p_moov = NULL;
3879 /* make p_root father of this new moov */
3880 p_moov->p_father = p_root;
3882 /* insert this new moov box as first child of p_root */
3883 p_moov->p_next = p_root->p_first;
3884 p_root->p_first = p_moov;
3891 stream_Seek( p_stream, 0 );
3896 static void MP4_BoxDumpStructure_Internal( stream_t *s,
3897 MP4_Box_t *p_box, unsigned int i_level )
3903 if MP4_BOX_TYPE_ASCII()
3904 msg_Dbg( s, "dumping root Box \"%4.4s\"",
3905 (char*)&p_box->i_type );
3907 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
3908 (char*)&p_box->i_type+1 );
3913 if( i_level >= (sizeof(str) - 1)/4 )
3916 memset( str, ' ', sizeof(str) );
3917 for( unsigned i = 0; i < i_level; i++ )
3921 if( MP4_BOX_TYPE_ASCII() )
3922 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3923 "+ %4.4s size %"PRIu64" offset %ld%s",
3924 (char*)&p_box->i_type, p_box->i_size, p_box->i_pos,
3925 p_box->e_flags & BOX_FLAG_INCOMPLETE ? " (????)" : "" );
3927 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3928 "+ c%3.3s size %"PRIu64" offset %ld%s",
3929 (char*)&p_box->i_type+1, p_box->i_size, p_box->i_pos,
3930 p_box->e_flags & BOX_FLAG_INCOMPLETE ? " (????)" : "" );
3931 msg_Dbg( s, "%s", str );
3933 p_child = p_box->p_first;
3936 MP4_BoxDumpStructure_Internal( s, p_child, i_level + 1 );
3937 p_child = p_child->p_next;
3941 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
3943 MP4_BoxDumpStructure_Internal( s, p_box, 0 );
3947 /*****************************************************************************
3948 *****************************************************************************
3950 ** High level methods to acces an MP4 file
3952 *****************************************************************************
3953 *****************************************************************************/
3954 static void get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
3957 if( !*ppsz_path[0] )
3963 i_len = strcspn( *ppsz_path, "/[" );
3964 if( !i_len && **ppsz_path == '/' )
3968 *ppsz_token = strndup( *ppsz_path, i_len );
3969 if( unlikely(!*ppsz_token) )
3972 *ppsz_path += i_len;
3974 if( **ppsz_path == '[' )
3977 *pi_number = strtol( *ppsz_path, NULL, 10 );
3978 while( **ppsz_path && **ppsz_path != ']' )
3982 if( **ppsz_path == ']' )
3991 while( **ppsz_path == '/' )
3997 static void MP4_BoxGet_Internal( MP4_Box_t **pp_result,
3998 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
4010 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
4013 if( !psz_path || !psz_path[0] )
4020 // fprintf( stderr, "path:'%s'\n", psz_path );
4021 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
4026 get_token( &psz_path, &psz_token, &i_number );
4027 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
4028 // psz_path,psz_token,i_number );
4036 if( !strcmp( psz_token, "/" ) )
4039 while( p_box && p_box->i_type != ATOM_root )
4041 p_box = p_box->p_father;
4049 if( !strcmp( psz_token, "." ) )
4054 if( !strcmp( psz_token, ".." ) )
4056 p_box = p_box->p_father;
4063 if( strlen( psz_token ) == 4 )
4066 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
4067 psz_token[2], psz_token[3] );
4068 p_box = p_box->p_first;
4075 if( p_box->i_type == i_fourcc )
4083 p_box = p_box->p_next;
4087 if( *psz_token == '\0' )
4089 p_box = p_box->p_first;
4101 p_box = p_box->p_next;
4106 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
4110 FREENULL( psz_token );
4122 /*****************************************************************************
4123 * MP4_BoxGet: find a box given a path relative to p_box
4124 *****************************************************************************
4125 * Path Format: . .. / as usual
4126 * [number] to specifie box number ex: trak[12]
4128 * ex: /moov/trak[12]
4130 *****************************************************************************/
4131 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
4134 MP4_Box_t *p_result;
4136 va_start( args, psz_fmt );
4137 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
4143 /*****************************************************************************
4144 * MP4_BoxCount: count box given a path relative to p_box
4145 *****************************************************************************
4146 * Path Format: . .. / as usual
4147 * [number] to specifie box number ex: trak[12]
4149 * ex: /moov/trak[12]
4151 *****************************************************************************/
4152 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
4156 MP4_Box_t *p_result, *p_next;
4158 va_start( args, psz_fmt );
4159 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
4167 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
4169 if( p_next->i_type == p_result->i_type)