1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
6 * Author: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_stream.h> /* stream_Peek*/
31 # include <zlib.h> /* for compressed moov */
38 * The input method HAS to be seekable
41 /* convert 16.16 fixed point to floating point */
42 static double conv_fx( int32_t fx ) {
48 /* some functions for mp4 encoding of variables */
50 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
57 /* date begin at 1 jan 1904 */
58 i_date += ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
60 i_day = i_date / ( 60*60*24);
61 i_hour = ( i_date /( 60*60 ) ) % 60;
62 i_min = ( i_date / 60 ) % 60;
64 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
68 /*****************************************************************************
70 *****************************************************************************/
71 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
74 /*****************************************************************************
75 * MP4_ReadBoxCommon : Load only common parameters for all boxes
76 *****************************************************************************
77 * p_box need to be an already allocated MP4_Box_t, and all data
78 * will only be peek not read
80 * RETURN : 0 if it fail, 1 otherwise
81 *****************************************************************************/
82 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
85 const uint8_t *p_peek;
87 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
91 p_box->i_pos = stream_Tell( p_stream );
93 p_box->data.p_payload = NULL;
94 p_box->p_father = NULL;
95 p_box->p_first = NULL;
99 MP4_GET4BYTES( p_box->i_shortsize );
100 MP4_GETFOURCC( p_box->i_type );
102 /* Now special case */
104 if( p_box->i_shortsize == 1 )
106 /* get the true size on 64 bits */
107 MP4_GET8BYTES( p_box->i_size );
111 p_box->i_size = p_box->i_shortsize;
112 /* XXX size of 0 means that the box extends to end of file */
115 if( p_box->i_type == ATOM_uuid )
117 /* get extented type on 16 bytes */
118 GetUUID( &p_box->i_uuid, p_peek );
119 p_peek += 16; i_read -= 16;
123 CreateUUID( &p_box->i_uuid, p_box->i_type );
128 if MP4_BOX_TYPE_ASCII()
129 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64,
130 (char*)&p_box->i_type, p_box->i_size );
132 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
133 (char*)&p_box->i_type+1, p_box->i_size );
140 /*****************************************************************************
141 * MP4_NextBox : Go to the next box
142 *****************************************************************************
143 * if p_box == NULL, go to the next box in which we are( at the begining ).
144 *****************************************************************************/
145 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
151 MP4_ReadBoxCommon( p_stream, &box );
157 return 2; /* Box with infinite size */
160 if( p_box->p_father )
162 /* if father's size == 0, it means unknown or infinite size,
163 * and we skip the followong check */
164 if( p_box->p_father->i_size > 0 )
166 const off_t i_box_end = p_box->i_size + p_box->i_pos;
167 const off_t i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
169 /* check if it's within p-father */
170 if( i_box_end >= i_father_end )
172 if( i_box_end > i_father_end )
173 msg_Dbg( p_stream, "out of bound child" );
174 return 0; /* out of bound */
178 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
186 /*****************************************************************************
187 * For all known box a loader is given,
188 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
189 * after called one of theses functions, file position is unknown
190 * you need to call MP4_GotoBox to go where you want
191 *****************************************************************************/
192 static int MP4_ReadBoxContainerChildren( stream_t *p_stream,
193 MP4_Box_t *p_container, uint32_t i_last_child )
197 /* Size of root container is set to 0 when unknown, for exemple
198 * with a DASH stream. In that case, we skip the following check */
199 if( p_container->i_size
200 && ( stream_Tell( p_stream ) + 8 >
201 (off_t)(p_container->i_pos + p_container->i_size) )
204 /* there is no box to load */
210 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
212 /* chain this box with the father and the other at same level */
213 if( !p_container->p_first ) p_container->p_first = p_box;
214 else p_container->p_last->p_next = p_box;
215 p_container->p_last = p_box;
217 if( p_box->i_type == i_last_child )
219 MP4_NextBox( p_stream, p_box );
223 } while( MP4_NextBox( p_stream, p_box ) == 1 );
228 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
230 return MP4_ReadBoxContainerChildren( p_stream, p_container, 0 );
233 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
235 if( p_container->i_size &&
236 ( p_container->i_size <= (size_t)mp4_box_headersize(p_container ) + 8 ) )
238 /* container is empty, 8 stand for the first header in this box */
243 stream_Seek( p_stream, p_container->i_pos +
244 mp4_box_headersize( p_container ) );
246 return MP4_ReadBoxContainerRaw( p_stream, p_container );
249 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
251 /* Up to now do nothing */
255 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
257 /* XXX sometime moov is hiden in a free box */
258 if( p_box->p_father &&
259 p_box->p_father->i_type == ATOM_root &&
260 p_box->i_type == ATOM_free )
262 const uint8_t *p_peek;
266 i_read = stream_Peek( p_stream, &p_peek, 44 );
268 p_peek += mp4_box_headersize( p_box ) + 4;
269 i_read -= mp4_box_headersize( p_box ) + 4;
273 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
275 if( i_fcc == ATOM_cmov || i_fcc == ATOM_mvhd )
277 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
279 p_box->i_type = ATOM_foov;
280 return MP4_ReadBoxContainer( p_stream, p_box );
287 if MP4_BOX_TYPE_ASCII()
288 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
290 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
295 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
297 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
299 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
300 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
302 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
304 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
305 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
308 if( unlikely( tab == NULL ) )
309 MP4_READBOX_EXIT( 0 );
311 for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
313 MP4_GETFOURCC( tab[i] );
318 p_box->data.p_ftyp->i_compatible_brands = NULL;
321 MP4_READBOX_EXIT( 1 );
324 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
326 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
330 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
333 char s_creation_time[128];
334 char s_modification_time[128];
335 char s_duration[128];
337 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
339 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
341 if( p_box->data.p_mvhd->i_version )
343 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
344 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
345 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
346 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
350 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
351 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
352 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
353 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
355 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
356 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
357 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
360 for( unsigned i = 0; i < 2; i++ )
362 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
364 for( unsigned i = 0; i < 9; i++ )
366 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
368 for( unsigned i = 0; i < 6; i++ )
370 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
373 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
377 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
378 MP4_ConvertDate2Str( s_modification_time,
379 p_box->data.p_mvhd->i_modification_time );
380 if( p_box->data.p_mvhd->i_rate )
382 MP4_ConvertDate2Str( s_duration,
383 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
389 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
392 (uint32_t)p_box->data.p_mvhd->i_timescale,
394 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
395 (float)p_box->data.p_mvhd->i_volume / 256 ,
396 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
398 MP4_READBOX_EXIT( 1 );
401 static int MP4_ReadBox_mfhd( stream_t *p_stream, MP4_Box_t *p_box )
403 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t );
405 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
407 MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
410 msg_Dbg( p_stream, "read box: \"mfhd\" sequence number %d",
411 p_box->data.p_mfhd->i_sequence_number );
413 MP4_READBOX_EXIT( 1 );
416 static int MP4_ReadBox_tfxd( stream_t *p_stream, MP4_Box_t *p_box )
418 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
420 MP4_Box_data_tfxd_t *p_tfxd_data = p_box->data.p_tfxd;
421 MP4_GETVERSIONFLAGS( p_tfxd_data );
423 if( p_tfxd_data->i_version == 0 )
425 MP4_GET4BYTES( p_tfxd_data->i_fragment_abs_time );
426 MP4_GET4BYTES( p_tfxd_data->i_fragment_duration );
430 MP4_GET8BYTES( p_tfxd_data->i_fragment_abs_time );
431 MP4_GET8BYTES( p_tfxd_data->i_fragment_duration );
435 msg_Dbg( p_stream, "read box: \"tfxd\" version %d, flags 0x%x, "\
436 "fragment duration %"PRIu64", fragment abs time %"PRIu64,
437 p_tfxd_data->i_version,
438 p_tfxd_data->i_flags,
439 p_tfxd_data->i_fragment_duration,
440 p_tfxd_data->i_fragment_abs_time
444 MP4_READBOX_EXIT( 1 );
447 static int MP4_ReadBox_tfrf( stream_t *p_stream, MP4_Box_t *p_box )
449 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
451 MP4_Box_data_tfrf_t *p_tfrf_data = p_box->data.p_tfrf;
452 MP4_GETVERSIONFLAGS( p_tfrf_data );
454 MP4_GET1BYTE( p_tfrf_data->i_fragment_count );
456 p_tfrf_data->p_tfrf_data_fields = calloc( p_tfrf_data->i_fragment_count,
457 sizeof( TfrfBoxDataFields_t ) );
458 if( !p_tfrf_data->p_tfrf_data_fields )
459 MP4_READBOX_EXIT( 0 );
461 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
463 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
464 if( p_tfrf_data->i_version == 0 )
466 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_abs_time );
467 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_duration );
471 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_abs_time );
472 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_duration );
477 msg_Dbg( p_stream, "read box: \"tfrf\" version %d, flags 0x%x, "\
478 "fragment count %"PRIu8, p_tfrf_data->i_version,
479 p_tfrf_data->i_flags, p_tfrf_data->i_fragment_count );
481 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
483 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
484 msg_Dbg( p_stream, "\"tfrf\" fragment duration %"PRIu64", "\
485 "fragment abs time %"PRIu64,
486 TfrfBoxDataField->i_fragment_duration,
487 TfrfBoxDataField->i_fragment_abs_time );
492 MP4_READBOX_EXIT( 1 );
495 static void MP4_FreeBox_tfrf( MP4_Box_t *p_box )
497 FREENULL( p_box->data.p_tfrf->p_tfrf_data_fields );
500 static int MP4_ReadBox_stra( stream_t *p_stream, MP4_Box_t *p_box )
502 MP4_READBOX_ENTER( MP4_Box_data_stra_t );
503 MP4_Box_data_stra_t *p_stra = p_box->data.p_stra;
506 VLC_UNUSED(i_reserved);
507 MP4_GET1BYTE( p_stra->i_es_cat );
508 MP4_GET1BYTE( i_reserved );
509 MP4_GET2BYTES( p_stra->i_track_ID );
511 MP4_GET4BYTES( p_stra->i_timescale );
512 MP4_GET8BYTES( p_stra->i_duration );
514 MP4_GET4BYTES( p_stra->FourCC );
515 MP4_GET4BYTES( p_stra->Bitrate );
516 MP4_GET4BYTES( p_stra->MaxWidth );
517 MP4_GET4BYTES( p_stra->MaxHeight );
518 MP4_GET4BYTES( p_stra->SamplingRate );
519 MP4_GET4BYTES( p_stra->Channels );
520 MP4_GET4BYTES( p_stra->BitsPerSample );
521 MP4_GET4BYTES( p_stra->AudioTag );
522 MP4_GET2BYTES( p_stra->nBlockAlign );
524 MP4_GET1BYTE( i_reserved );
525 MP4_GET1BYTE( i_reserved );
526 MP4_GET1BYTE( i_reserved );
527 MP4_GET1BYTE( p_stra->cpd_len );
528 if( p_stra->cpd_len > i_read )
530 p_stra->CodecPrivateData = malloc( p_stra->cpd_len );
531 if( unlikely( p_stra->CodecPrivateData == NULL ) )
533 memcpy( p_stra->CodecPrivateData, p_peek, p_stra->cpd_len );
536 msg_Dbg( p_stream, "es_cat is %"PRIu8", birate is %"PRIu32,
537 p_stra->i_es_cat, p_stra->Bitrate );
540 MP4_READBOX_EXIT( 1 );
542 MP4_READBOX_EXIT( 0 );
545 static void MP4_FreeBox_stra( MP4_Box_t *p_box )
547 FREENULL( p_box->data.p_stra->CodecPrivateData );
550 static int MP4_ReadBox_uuid( stream_t *p_stream, MP4_Box_t *p_box )
552 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
553 return MP4_ReadBox_tfrf( p_stream, p_box );
554 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
555 return MP4_ReadBox_tfxd( p_stream, p_box );
556 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
557 return MP4_ReadBoxContainer( p_stream, p_box );
558 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
559 return MP4_ReadBox_stra( p_stream, p_box );
561 msg_Warn( p_stream, "Unknown uuid type box" );
565 static void MP4_FreeBox_uuid( MP4_Box_t *p_box )
567 if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
568 return MP4_FreeBox_tfrf( p_box );
569 if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
570 return MP4_FreeBox_Common( p_box );
571 if( !CmpUUID( &p_box->i_uuid, &SmooBoxUUID ) )
572 return MP4_FreeBox_Common( p_box );
573 if( !CmpUUID( &p_box->i_uuid, &StraBoxUUID ) )
574 return MP4_FreeBox_stra( p_box );
577 static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
579 MP4_READBOX_ENTER( MP4_Box_data_sidx_t );
581 MP4_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
582 MP4_GETVERSIONFLAGS( p_sidx_data );
584 MP4_GET4BYTES( p_sidx_data->i_reference_ID );
585 MP4_GET4BYTES( p_sidx_data->i_timescale );
587 if( p_sidx_data->i_version == 0 )
589 MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
590 MP4_GET4BYTES( p_sidx_data->i_first_offset );
594 MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
595 MP4_GET8BYTES( p_sidx_data->i_first_offset );
599 VLC_UNUSED(i_reserved);
600 MP4_GET2BYTES( i_reserved );
601 MP4_GET2BYTES( p_sidx_data->i_reference_count );
602 uint16_t i_count = p_sidx_data->i_reference_count;
604 p_sidx_data->p_items = calloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
606 for( unsigned i = 0; i < i_count; i++ )
608 MP4_GET4BYTES( tmp );
609 p_sidx_data->p_items[i].b_reference_type = (bool)((tmp & 0x80000000)>>24);
610 p_sidx_data->p_items[i].i_referenced_size = tmp & 0x7fffffff;
611 MP4_GET4BYTES( p_sidx_data->p_items[i].i_subsegment_duration );
613 MP4_GET4BYTES( tmp );
614 p_sidx_data->p_items[i].b_starts_with_SAP = (bool)((tmp & 0x80000000)>>24);
615 p_sidx_data->p_items[i].i_SAP_type = (tmp & 0x70000000)>>24;
616 p_sidx_data->p_items[i].i_SAP_delta_time = tmp & 0xfffffff;
620 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
621 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
622 "first subsegmt duration %"PRIu32,
623 p_sidx_data->i_version,
624 p_sidx_data->i_flags,
625 p_sidx_data->i_reference_ID,
626 p_sidx_data->i_timescale,
627 p_sidx_data->i_reference_count,
628 p_sidx_data->p_items[0].i_subsegment_duration
632 MP4_READBOX_EXIT( 1 );
635 static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
637 FREENULL( p_box->data.p_sidx->p_items );
640 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
642 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t );
644 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
646 if( p_box->data.p_tfhd->i_version != 0 )
648 msg_Warn( p_stream, "'tfhd' box with version != 0. "\
649 " Don't know what to do with that, please patch" );
650 MP4_READBOX_EXIT( 0 );
653 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
655 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
657 msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
658 "=> no samples for this time interval." );
659 p_box->data.p_tfhd->b_empty = true;
662 p_box->data.p_tfhd->b_empty = false;
664 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
665 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
666 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
667 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
668 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
669 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
670 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
671 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
672 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
673 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
676 char psz_base[128] = "\0";
677 char psz_desc[128] = "\0";
678 char psz_dura[128] = "\0";
679 char psz_size[128] = "\0";
680 char psz_flag[128] = "\0";
681 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
682 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
683 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
684 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
685 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
686 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
687 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
688 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
689 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
690 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
692 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
693 p_box->data.p_tfhd->i_version,
694 p_box->data.p_tfhd->i_flags,
695 p_box->data.p_tfhd->i_track_ID,
696 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
699 MP4_READBOX_EXIT( 1 );
702 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
704 MP4_READBOX_ENTER( MP4_Box_data_trun_t );
706 MP4_GETVERSIONFLAGS( p_box->data.p_trun );
708 MP4_GET4BYTES( p_box->data.p_trun->i_sample_count );
710 if( p_box->data.p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
711 MP4_GET4BYTES( p_box->data.p_trun->i_data_offset );
712 if( p_box->data.p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
713 MP4_GET4BYTES( p_box->data.p_trun->i_first_sample_flags );
715 p_box->data.p_trun->p_samples =
716 calloc( p_box->data.p_trun->i_sample_count, sizeof(MP4_descriptor_trun_sample_t) );
717 if ( p_box->data.p_trun->p_samples == NULL )
718 MP4_READBOX_EXIT( 0 );
720 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
722 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
723 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
724 MP4_GET4BYTES( p_sample->i_duration );
725 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
726 MP4_GET4BYTES( p_sample->i_size );
727 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
728 MP4_GET4BYTES( p_sample->i_flags );
729 if( p_box->data.p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
730 MP4_GET4BYTES( p_sample->i_composition_time_offset );
734 msg_Dbg( p_stream, "read box: \"trun\" version %u flags 0x%x sample count %u",
735 p_box->data.p_trun->i_version,
736 p_box->data.p_trun->i_flags,
737 p_box->data.p_trun->i_sample_count );
739 for( unsigned int i = 0; i<p_box->data.p_trun->i_sample_count; i++ )
741 MP4_descriptor_trun_sample_t *p_sample = &p_box->data.p_trun->p_samples[i];
742 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4u flags 0x%x "\
743 "duration %"PRIu32" size %"PRIu32" composition time offset %"PRIu32,
744 i, p_sample->i_flags, p_sample->i_duration,
745 p_sample->i_size, p_sample->i_composition_time_offset );
749 MP4_READBOX_EXIT( 1 );
752 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
754 FREENULL( p_box->data.p_trun->p_samples );
758 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
761 char s_creation_time[128];
762 char s_modification_time[128];
763 char s_duration[128];
765 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
767 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
769 if( p_box->data.p_tkhd->i_version )
771 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
772 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
773 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
774 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
775 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
779 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
780 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
781 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
782 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
783 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
786 for( unsigned i = 0; i < 2; i++ )
788 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
790 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
791 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
792 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
793 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
795 for( unsigned i = 0; i < 9; i++ )
797 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
799 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
800 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
802 double rotation; //angle in degrees to be rotated clockwise
803 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
804 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
806 int32_t *matrix = p_box->data.p_tkhd->i_matrix;
808 translate[0] = conv_fx(matrix[6]);
809 translate[1] = conv_fx(matrix[7]);
811 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
812 conv_fx(matrix[3]) * conv_fx(matrix[3]));
813 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
814 conv_fx(matrix[4]) * conv_fx(matrix[4]));
816 rotation = atan2(conv_fx(matrix[1]) / scale[1], conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
821 p_box->data.p_tkhd->f_rotation = rotation;
824 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
825 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
826 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
828 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. "
829 "Matrix: %i %i %i %i %i %i %i %i %i",
833 p_box->data.p_tkhd->i_track_ID,
834 p_box->data.p_tkhd->i_layer,
835 (float)p_box->data.p_tkhd->i_volume / 256 ,
841 (float)p_box->data.p_tkhd->i_width / 65536,
842 (float)p_box->data.p_tkhd->i_height / 65536,
843 p_box->data.p_tkhd->i_matrix[0],
844 p_box->data.p_tkhd->i_matrix[1],
845 p_box->data.p_tkhd->i_matrix[2],
846 p_box->data.p_tkhd->i_matrix[3],
847 p_box->data.p_tkhd->i_matrix[4],
848 p_box->data.p_tkhd->i_matrix[5],
849 p_box->data.p_tkhd->i_matrix[6],
850 p_box->data.p_tkhd->i_matrix[7],
851 p_box->data.p_tkhd->i_matrix[8] );
853 MP4_READBOX_EXIT( 1 );
857 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
861 char s_creation_time[128];
862 char s_modification_time[128];
863 char s_duration[128];
865 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
867 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
869 if( p_box->data.p_mdhd->i_version )
871 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
872 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
873 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
874 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
878 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
879 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
880 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
881 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
883 p_box->data.p_mdhd->i_language_code = i_language = GetWBE( p_peek );
884 for( unsigned i = 0; i < 3; i++ )
886 p_box->data.p_mdhd->i_language[i] =
887 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
890 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
893 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
894 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
895 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
896 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
899 (uint32_t)p_box->data.p_mdhd->i_timescale,
901 p_box->data.p_mdhd->i_language[0],
902 p_box->data.p_mdhd->i_language[1],
903 p_box->data.p_mdhd->i_language[2] );
905 MP4_READBOX_EXIT( 1 );
909 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
912 VLC_UNUSED(i_reserved);
914 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
916 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
918 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
919 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
921 MP4_GET4BYTES( i_reserved );
922 MP4_GET4BYTES( i_reserved );
923 MP4_GET4BYTES( i_reserved );
924 p_box->data.p_hdlr->psz_name = NULL;
928 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
929 if( unlikely( psz == NULL ) )
930 MP4_READBOX_EXIT( 0 );
932 /* Yes, I love .mp4 :( */
933 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
938 MP4_GET1BYTE( i_len );
939 i_copy = __MIN( i_read, i_len );
941 memcpy( psz, p_peek, i_copy );
942 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
946 memcpy( psz, p_peek, i_read );
947 p_box->data.p_hdlr->psz_name[i_read] = '\0';
952 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
953 (char*)&p_box->data.p_hdlr->i_handler_type,
954 p_box->data.p_hdlr->psz_name );
957 MP4_READBOX_EXIT( 1 );
960 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
962 FREENULL( p_box->data.p_hdlr->psz_name );
965 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
967 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
969 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
971 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
972 for( unsigned i = 0; i < 3; i++ )
974 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
978 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
979 p_box->data.p_vmhd->i_graphics_mode,
980 p_box->data.p_vmhd->i_opcolor[0],
981 p_box->data.p_vmhd->i_opcolor[1],
982 p_box->data.p_vmhd->i_opcolor[2] );
984 MP4_READBOX_EXIT( 1 );
987 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
989 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
991 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
995 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
997 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
1000 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
1001 (float)p_box->data.p_smhd->i_balance / 256 );
1003 MP4_READBOX_EXIT( 1 );
1007 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
1009 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
1011 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
1013 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
1014 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
1016 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
1017 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
1019 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1022 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1023 p_box->data.p_hmhd->i_max_PDU_size,
1024 p_box->data.p_hmhd->i_avg_PDU_size,
1025 p_box->data.p_hmhd->i_max_bitrate,
1026 p_box->data.p_hmhd->i_avg_bitrate );
1028 MP4_READBOX_EXIT( 1 );
1031 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
1033 MP4_READBOX_ENTER( MP4_Box_data_url_t );
1035 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1036 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1039 msg_Dbg( p_stream, "read box: \"url\" url: %s",
1040 p_box->data.p_url->psz_location );
1043 MP4_READBOX_EXIT( 1 );
1047 static void MP4_FreeBox_url( MP4_Box_t *p_box )
1049 FREENULL( p_box->data.p_url->psz_location );
1052 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
1054 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
1056 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1058 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1059 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1062 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
1063 p_box->data.p_urn->psz_name,
1064 p_box->data.p_urn->psz_location );
1066 MP4_READBOX_EXIT( 1 );
1068 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
1070 FREENULL( p_box->data.p_urn->psz_name );
1071 FREENULL( p_box->data.p_urn->psz_location );
1075 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
1077 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1079 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1081 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1083 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1084 MP4_ReadBoxContainerRaw( p_stream, p_box );
1087 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
1088 p_box->data.p_dref->i_entry_count );
1091 MP4_READBOX_EXIT( 1 );
1094 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1096 FREENULL( p_box->data.p_stts->i_sample_count );
1097 FREENULL( p_box->data.p_stts->i_sample_delta );
1100 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1102 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1104 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1105 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1107 p_box->data.p_stts->i_sample_count =
1108 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
1109 p_box->data.p_stts->i_sample_delta =
1110 calloc( p_box->data.p_stts->i_entry_count, sizeof(int32_t) );
1111 if( p_box->data.p_stts->i_sample_count == NULL
1112 || p_box->data.p_stts->i_sample_delta == NULL )
1114 MP4_READBOX_EXIT( 0 );
1117 for( unsigned int i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1119 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1120 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1124 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1125 p_box->data.p_stts->i_entry_count );
1128 MP4_READBOX_EXIT( 1 );
1132 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1134 FREENULL( p_box->data.p_ctts->i_sample_count );
1135 FREENULL( p_box->data.p_ctts->i_sample_offset );
1138 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1140 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1142 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1144 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1146 p_box->data.p_ctts->i_sample_count =
1147 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
1148 p_box->data.p_ctts->i_sample_offset =
1149 calloc( p_box->data.p_ctts->i_entry_count, sizeof(int32_t) );
1150 if( ( p_box->data.p_ctts->i_sample_count == NULL )
1151 || ( p_box->data.p_ctts->i_sample_offset == NULL ) )
1153 MP4_READBOX_EXIT( 0 );
1156 for( unsigned int i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1158 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1159 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1163 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
1164 p_box->data.p_ctts->i_entry_count );
1167 MP4_READBOX_EXIT( 1 );
1171 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1174 unsigned int i_len = 0;
1181 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1182 } while( i_b&0x80 );
1187 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1189 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
1190 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1192 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1193 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1197 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1199 #define es_descriptor p_box->data.p_esds->es_descriptor
1201 unsigned int i_flags;
1202 unsigned int i_type;
1204 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1206 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1209 MP4_GET1BYTE( i_type );
1210 if( i_type == 0x03 ) /* MP4ESDescrTag */
1212 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1215 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
1219 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1220 MP4_GET1BYTE( i_flags );
1221 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1222 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1223 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1225 es_descriptor.i_stream_priority = i_flags&0x1f;
1226 if( es_descriptor.b_stream_dependence )
1228 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1230 if( es_descriptor.b_url )
1234 MP4_GET1BYTE( i_len );
1235 es_descriptor.psz_URL = malloc( i_len + 1 );
1236 if( es_descriptor.psz_URL )
1238 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1239 es_descriptor.psz_URL[i_len] = 0;
1246 es_descriptor.psz_URL = NULL;
1248 if( es_descriptor.b_OCRstream )
1250 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1252 MP4_GET1BYTE( i_type ); /* get next type */
1255 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1257 es_descriptor.p_decConfigDescr = NULL;
1258 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1261 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1264 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
1268 es_descriptor.p_decConfigDescr =
1269 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1270 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1271 MP4_READBOX_EXIT( 0 );
1273 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1274 MP4_GET1BYTE( i_flags );
1275 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1276 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1277 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1278 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1279 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1280 MP4_GET1BYTE( i_type );
1281 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1283 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1284 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1285 MP4_READBOX_EXIT( 1 );
1288 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1291 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
1294 if( i_len > i_read )
1295 MP4_READBOX_EXIT( 0 );
1297 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1298 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1299 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1300 MP4_READBOX_EXIT( 0 );
1302 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1305 MP4_READBOX_EXIT( 1 );
1306 #undef es_descriptor
1309 static void MP4_FreeBox_hvcC(MP4_Box_t *p_box )
1311 MP4_Box_data_hvcC_t *p_hvcC = p_box->data.p_hvcC;
1312 if( p_hvcC->i_hvcC > 0 ) FREENULL( p_hvcC->p_hvcC) ;
1315 static int MP4_ReadBox_hvcC( stream_t *p_stream, MP4_Box_t *p_box )
1317 MP4_Box_data_hvcC_t *p_hvcC;
1319 MP4_READBOX_ENTER( MP4_Box_data_hvcC_t );
1320 p_hvcC = p_box->data.p_hvcC;
1322 p_hvcC->i_hvcC = i_read;
1323 if( p_hvcC->i_hvcC > 0 )
1325 uint8_t * p = p_hvcC->p_hvcC = malloc( p_hvcC->i_hvcC );
1327 memcpy( p, p_peek, i_read );
1329 MP4_READBOX_EXIT( 1 );
1332 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1334 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1337 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1341 for( i = 0; i < p_avcC->i_sps; i++ )
1342 FREENULL( p_avcC->sps[i] );
1346 for( i = 0; i < p_avcC->i_pps; i++ )
1347 FREENULL( p_avcC->pps[i] );
1349 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1350 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1351 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1352 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1355 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1357 MP4_Box_data_avcC_t *p_avcC;
1360 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1361 p_avcC = p_box->data.p_avcC;
1363 p_avcC->i_avcC = i_read;
1364 if( p_avcC->i_avcC > 0 )
1366 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1368 memcpy( p, p_peek, i_read );
1371 MP4_GET1BYTE( p_avcC->i_version );
1372 MP4_GET1BYTE( p_avcC->i_profile );
1373 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1374 MP4_GET1BYTE( p_avcC->i_level );
1375 MP4_GET1BYTE( p_avcC->i_reserved1 );
1376 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1377 p_avcC->i_reserved1 >>= 2;
1379 MP4_GET1BYTE( p_avcC->i_reserved2 );
1380 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1381 p_avcC->i_reserved2 >>= 5;
1383 if( p_avcC->i_sps > 0 )
1385 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1386 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1388 if( !p_avcC->i_sps_length || !p_avcC->sps )
1391 for( i = 0; i < p_avcC->i_sps; i++ )
1393 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1394 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1395 if( p_avcC->sps[i] )
1396 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1398 p_peek += p_avcC->i_sps_length[i];
1399 i_read -= p_avcC->i_sps_length[i];
1403 MP4_GET1BYTE( p_avcC->i_pps );
1404 if( p_avcC->i_pps > 0 )
1406 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1407 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1409 if( !p_avcC->i_pps_length || !p_avcC->pps )
1412 for( i = 0; i < p_avcC->i_pps; i++ )
1414 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1415 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1416 if( p_avcC->pps[i] )
1417 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1419 p_peek += p_avcC->i_pps_length[i];
1420 i_read -= p_avcC->i_pps_length[i];
1425 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1426 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1427 p_avcC->i_length_size,
1428 p_avcC->i_sps, p_avcC->i_pps );
1429 for( i = 0; i < p_avcC->i_sps; i++ )
1431 msg_Dbg( p_stream, " - sps[%d] length=%d",
1432 i, p_avcC->i_sps_length[i] );
1434 for( i = 0; i < p_avcC->i_pps; i++ )
1436 msg_Dbg( p_stream, " - pps[%d] length=%d",
1437 i, p_avcC->i_pps_length[i] );
1441 MP4_READBOX_EXIT( 1 );
1444 MP4_READBOX_EXIT( 0 );
1447 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
1449 MP4_Box_data_dac3_t *p_dac3;
1450 MP4_READBOX_ENTER( MP4_Box_data_dac3_t );
1452 p_dac3 = p_box->data.p_dac3;
1455 MP4_GET3BYTES( i_header );
1457 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
1458 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
1459 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
1460 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
1461 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
1462 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
1466 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
1467 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 );
1469 MP4_READBOX_EXIT( 1 );
1472 static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
1474 MP4_Box_data_dvc1_t *p_dvc1;
1476 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t );
1477 p_dvc1 = p_box->data.p_dvc1;
1479 MP4_GET1BYTE( p_dvc1->i_profile_level ); /* profile is on 4bits, level 3bits */
1480 uint8_t i_profile = (p_dvc1->i_profile_level & 0xf0) >> 4;
1481 if( i_profile != 0x06 && i_profile != 0x0c )
1483 msg_Warn( p_stream, "unsupported VC-1 profile (%"PRIu8"), please report", i_profile );
1484 MP4_READBOX_EXIT( 0 );
1488 p_dvc1->i_vc1 = p_box->i_size - 7; /* Header + profile_level */
1490 if( p_dvc1->i_vc1 > 0 )
1492 uint8_t *p = p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 );
1494 memcpy( p, p_peek, i_read );
1499 "read box: \"dvc1\" profile=%"PRIu8" level=%i",
1500 i_profile, p_dvc1->i_profile_level & 0x0e >> 1 );
1503 MP4_READBOX_EXIT( 1 );
1506 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
1508 MP4_Box_data_enda_t *p_enda;
1509 MP4_READBOX_ENTER( MP4_Box_data_enda_t );
1511 p_enda = p_box->data.p_enda;
1513 MP4_GET2BYTES( p_enda->i_little_endian );
1517 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
1519 MP4_READBOX_EXIT( 1 );
1522 static int MP4_ReadBox_gnre( stream_t *p_stream, MP4_Box_t *p_box )
1524 MP4_Box_data_gnre_t *p_gnre;
1525 MP4_READBOX_ENTER( MP4_Box_data_gnre_t );
1527 p_gnre = p_box->data.p_gnre;
1529 uint32_t i_data_len;
1530 uint32_t i_data_tag;
1532 MP4_GET4BYTES( i_data_len );
1533 MP4_GETFOURCC( i_data_tag );
1534 if( i_data_len < 10 || i_data_tag != ATOM_data )
1535 MP4_READBOX_EXIT( 0 );
1538 VLC_UNUSED(i_version);
1539 uint32_t i_reserved;
1540 VLC_UNUSED(i_reserved);
1541 MP4_GET4BYTES( i_version );
1542 MP4_GET4BYTES( i_reserved );
1543 MP4_GET2BYTES( p_gnre->i_genre );
1544 if( p_gnre->i_genre == 0 )
1545 MP4_READBOX_EXIT( 0 );
1547 msg_Dbg( p_stream, "read box: \"gnre\" genre=%i", p_gnre->i_genre );
1550 MP4_READBOX_EXIT( 1 );
1553 static int MP4_ReadBox_trkn( stream_t *p_stream, MP4_Box_t *p_box )
1555 MP4_Box_data_trkn_t *p_trkn;
1556 MP4_READBOX_ENTER( MP4_Box_data_trkn_t );
1558 p_trkn = p_box->data.p_trkn;
1560 uint32_t i_data_len;
1561 uint32_t i_data_tag;
1563 MP4_GET4BYTES( i_data_len );
1564 MP4_GETFOURCC( i_data_tag );
1565 if( i_data_len < 12 || i_data_tag != ATOM_data )
1566 MP4_READBOX_EXIT( 0 );
1569 VLC_UNUSED(i_version);
1570 uint32_t i_reserved;
1571 VLC_UNUSED(i_reserved);
1572 MP4_GET4BYTES( i_version );
1573 MP4_GET4BYTES( i_reserved );
1574 MP4_GET2BYTES( i_reserved );
1575 MP4_GET2BYTES( p_trkn->i_track_number );
1577 msg_Dbg( p_stream, "read box: \"trkn\" number=%i", p_trkn->i_track_number );
1579 if( i_data_len > 15 )
1581 MP4_GET2BYTES( p_trkn->i_track_total );
1583 msg_Dbg( p_stream, "read box: \"trkn\" total=%i", p_trkn->i_track_total );
1587 MP4_READBOX_EXIT( 1 );
1590 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1592 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1593 p_box->data.p_sample_soun->p_qt_description = NULL;
1595 /* Sanity check needed because the "wave" box does also contain an
1596 * "mp4a" box that we don't understand. */
1600 MP4_READBOX_EXIT( 1 );
1603 for( unsigned i = 0; i < 6 ; i++ )
1605 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1608 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1611 * XXX hack -> produce a copy of the nearly complete chunk
1613 p_box->data.p_sample_soun->i_qt_description = 0;
1614 p_box->data.p_sample_soun->p_qt_description = NULL;
1617 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1618 if( p_box->data.p_sample_soun->p_qt_description )
1620 p_box->data.p_sample_soun->i_qt_description = i_read;
1621 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1625 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1626 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1627 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1629 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1630 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1631 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1632 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1633 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1634 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1636 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1638 /* SoundDescriptionV1 */
1639 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1640 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1641 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1642 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1646 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1647 "bytes/frame=%d bytes/sample=%d",
1648 p_box->data.p_sample_soun->i_sample_per_packet,
1649 p_box->data.p_sample_soun->i_bytes_per_packet,
1650 p_box->data.p_sample_soun->i_bytes_per_frame,
1651 p_box->data.p_sample_soun->i_bytes_per_sample );
1653 stream_Seek( p_stream, p_box->i_pos +
1654 mp4_box_headersize( p_box ) + 44 );
1656 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1658 /* SoundDescriptionV2 */
1659 double f_sample_rate;
1663 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1664 MP4_GET8BYTES( dummy );
1665 memcpy( &f_sample_rate, &dummy, 8 );
1667 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1668 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1669 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1671 MP4_GET4BYTES( i_channel );
1672 p_box->data.p_sample_soun->i_channelcount = i_channel;
1675 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1677 stream_Seek( p_stream, p_box->i_pos +
1678 mp4_box_headersize( p_box ) + 28 + 36 );
1682 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1683 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1684 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1685 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1688 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1691 stream_Seek( p_stream, p_box->i_pos +
1692 mp4_box_headersize( p_box ) + 28 );
1695 if( p_box->i_type == ATOM_drms )
1697 msg_Warn( p_stream, "DRM protected streams are not supported." );
1698 MP4_READBOX_EXIT( 0 );
1701 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
1703 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1704 p_box->data.p_sample_soun->i_channelcount = 1;
1707 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1710 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1711 "sample size %d sample rate %f",
1712 p_box->data.p_sample_soun->i_channelcount,
1713 p_box->data.p_sample_soun->i_samplesize,
1714 (float)p_box->data.p_sample_soun->i_sampleratehi +
1715 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1718 MP4_READBOX_EXIT( 1 );
1722 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1724 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1728 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1730 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1732 for( unsigned i = 0; i < 6 ; i++ )
1734 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1737 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1740 * XXX hack -> produce a copy of the nearly complete chunk
1744 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1745 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
1746 MP4_READBOX_EXIT( 0 );
1747 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1748 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1753 p_box->data.p_sample_vide->i_qt_image_description = 0;
1754 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1757 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1758 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1759 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1761 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1762 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1764 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1765 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1767 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1768 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1770 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1771 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1773 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1774 p_peek += 32; i_read -= 32;
1776 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1777 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1779 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 78);
1781 if( p_box->i_type == ATOM_drmi )
1783 msg_Warn( p_stream, "DRM protected streams are not supported." );
1784 MP4_READBOX_EXIT( 0 );
1787 MP4_ReadBoxContainerRaw( p_stream, p_box );
1790 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1791 p_box->data.p_sample_vide->i_width,
1792 p_box->data.p_sample_vide->i_height,
1793 p_box->data.p_sample_vide->i_depth );
1796 MP4_READBOX_EXIT( 1 );
1800 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1802 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1805 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1807 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1808 MP4_ReadBoxContainerRaw( p_stream, p_box );
1812 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1816 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1818 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1819 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1821 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1823 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1828 /* FIXME search right signification */
1830 p_box->data.p_sample_text->i_justification_horizontal = 1;
1831 p_box->data.p_sample_text->i_justification_vertical = 1;
1833 case -1: // Flush Right
1834 p_box->data.p_sample_text->i_justification_horizontal = -1;
1835 p_box->data.p_sample_text->i_justification_vertical = -1;
1837 case -2: // Flush Left
1838 p_box->data.p_sample_text->i_justification_horizontal = 0;
1839 p_box->data.p_sample_text->i_justification_vertical = 0;
1841 case 0: // Flush Default
1843 p_box->data.p_sample_text->i_justification_horizontal = 1;
1844 p_box->data.p_sample_text->i_justification_vertical = -1;
1848 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1849 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1850 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1851 p_box->data.p_sample_text->i_background_color[3] = 0xFF;
1853 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1854 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1855 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1856 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1859 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1861 MP4_READBOX_EXIT( 1 );
1864 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1866 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1868 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1869 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1871 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1873 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1875 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1876 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1878 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1879 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1880 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1881 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1883 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1884 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1885 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1886 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1888 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved3 );
1890 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_id );
1891 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_face );
1892 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_size );
1893 MP4_GET4BYTES( p_box->data.p_sample_text->i_font_color );
1896 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
1898 MP4_READBOX_EXIT( 1 );
1903 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1904 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1906 FREENULL( p_box->data.p_sample_text->psz_text_name );
1911 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1914 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1916 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1918 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1920 stream_Seek( p_stream, p_box->i_pos + mp4_box_headersize( p_box ) + 8 );
1922 MP4_ReadBoxContainerRaw( p_stream, p_box );
1925 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1926 p_box->data.p_stsd->i_entry_count );
1929 MP4_READBOX_EXIT( 1 );
1933 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1935 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1937 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1939 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1940 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1942 if( p_box->data.p_stsz->i_sample_size == 0 )
1944 p_box->data.p_stsz->i_entry_size =
1945 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1946 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
1947 MP4_READBOX_EXIT( 0 );
1949 for( unsigned int i = 0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1951 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1955 p_box->data.p_stsz->i_entry_size = NULL;
1958 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1959 p_box->data.p_stsz->i_sample_size,
1960 p_box->data.p_stsz->i_sample_count );
1963 MP4_READBOX_EXIT( 1 );
1966 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1968 FREENULL( p_box->data.p_stsz->i_entry_size );
1971 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1973 FREENULL( p_box->data.p_stsc->i_first_chunk );
1974 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1975 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1978 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1980 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1982 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1984 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1986 p_box->data.p_stsc->i_first_chunk =
1987 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1988 p_box->data.p_stsc->i_samples_per_chunk =
1989 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1990 p_box->data.p_stsc->i_sample_description_index =
1991 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1992 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
1993 || p_box->data.p_stsc->i_samples_per_chunk == NULL
1994 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
1996 MP4_READBOX_EXIT( 0 );
1999 for( unsigned int i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
2001 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
2002 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
2003 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
2007 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
2008 p_box->data.p_stsc->i_entry_count );
2011 MP4_READBOX_EXIT( 1 );
2014 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
2016 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
2018 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
2020 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
2022 p_box->data.p_co64->i_chunk_offset =
2023 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
2024 if( p_box->data.p_co64->i_chunk_offset == NULL )
2025 MP4_READBOX_EXIT( 0 );
2027 for( unsigned int i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
2029 if( p_box->i_type == ATOM_stco )
2035 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2043 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
2048 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
2049 p_box->data.p_co64->i_entry_count );
2052 MP4_READBOX_EXIT( 1 );
2055 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
2057 FREENULL( p_box->data.p_co64->i_chunk_offset );
2060 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
2062 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
2064 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
2066 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
2068 p_box->data.p_stss->i_sample_number =
2069 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
2070 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
2071 MP4_READBOX_EXIT( 0 );
2073 for( unsigned int i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
2076 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
2077 /* XXX in libmp4 sample begin at 0 */
2078 p_box->data.p_stss->i_sample_number[i]--;
2082 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
2083 p_box->data.p_stss->i_entry_count );
2086 MP4_READBOX_EXIT( 1 );
2089 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
2091 FREENULL( p_box->data.p_stss->i_sample_number );
2094 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
2096 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
2097 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
2100 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
2102 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
2104 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
2107 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
2109 p_box->data.p_stsh->i_shadowed_sample_number =
2110 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2111 p_box->data.p_stsh->i_sync_sample_number =
2112 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
2114 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
2115 || p_box->data.p_stsh->i_sync_sample_number == NULL )
2117 MP4_READBOX_EXIT( 0 );
2120 for( unsigned i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
2122 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
2123 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
2127 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
2128 p_box->data.p_stsh->i_entry_count );
2130 MP4_READBOX_EXIT( 1 );
2134 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
2136 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
2138 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
2140 p_box->data.p_stdp->i_priority =
2141 calloc( i_read / 2, sizeof(uint16_t) );
2143 if( unlikely( !p_box->data.p_stdp->i_priority ) )
2144 MP4_READBOX_EXIT( 0 );
2146 for( unsigned i = 0; i < i_read / 2 ; i++ )
2148 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
2152 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2156 MP4_READBOX_EXIT( 1 );
2159 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
2161 FREENULL( p_box->data.p_stdp->i_priority );
2164 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
2166 FREENULL( p_box->data.p_padb->i_reserved1 );
2167 FREENULL( p_box->data.p_padb->i_pad2 );
2168 FREENULL( p_box->data.p_padb->i_reserved2 );
2169 FREENULL( p_box->data.p_padb->i_pad1 );
2172 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
2176 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
2178 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
2180 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
2181 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
2183 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
2184 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
2185 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
2186 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
2187 if( p_box->data.p_padb->i_reserved1 == NULL
2188 || p_box->data.p_padb->i_pad2 == NULL
2189 || p_box->data.p_padb->i_reserved2 == NULL
2190 || p_box->data.p_padb->i_pad1 == NULL )
2192 MP4_READBOX_EXIT( 0 );
2195 for( unsigned int i = 0; i < i_read / 2 ; i++ )
2199 MP4_READBOX_EXIT( 0 );
2201 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
2202 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
2203 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
2204 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
2206 p_peek += 1; i_read -= 1;
2210 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
2214 MP4_READBOX_EXIT( 1 );
2217 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
2219 FREENULL( p_box->data.p_elst->i_segment_duration );
2220 FREENULL( p_box->data.p_elst->i_media_time );
2221 FREENULL( p_box->data.p_elst->i_media_rate_integer );
2222 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
2225 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
2227 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
2229 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
2232 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
2234 p_box->data.p_elst->i_segment_duration =
2235 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
2236 p_box->data.p_elst->i_media_time =
2237 calloc( p_box->data.p_elst->i_entry_count, sizeof(int64_t) );
2238 p_box->data.p_elst->i_media_rate_integer =
2239 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2240 p_box->data.p_elst->i_media_rate_fraction =
2241 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
2242 if( p_box->data.p_elst->i_segment_duration == NULL
2243 || p_box->data.p_elst->i_media_time == NULL
2244 || p_box->data.p_elst->i_media_rate_integer == NULL
2245 || p_box->data.p_elst->i_media_rate_fraction == NULL )
2247 MP4_READBOX_EXIT( 0 );
2251 for( unsigned i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
2253 if( p_box->data.p_elst->i_version == 1 )
2256 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
2258 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
2263 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
2265 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
2266 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
2269 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
2270 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
2274 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
2275 (unsigned long)p_box->data.p_elst->i_entry_count );
2277 MP4_READBOX_EXIT( 1 );
2280 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
2282 unsigned int i_language;
2284 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
2286 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
2288 i_language = GetWBE( p_peek );
2289 for( unsigned i = 0; i < 3; i++ )
2291 p_box->data.p_cprt->i_language[i] =
2292 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
2294 p_peek += 2; i_read -= 2;
2295 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
2298 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
2299 p_box->data.p_cprt->i_language[0],
2300 p_box->data.p_cprt->i_language[1],
2301 p_box->data.p_cprt->i_language[2],
2302 p_box->data.p_cprt->psz_notice );
2305 MP4_READBOX_EXIT( 1 );
2308 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
2310 FREENULL( p_box->data.p_cprt->psz_notice );
2314 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
2316 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
2318 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
2321 "read box: \"dcom\" compression algorithm : %4.4s",
2322 (char*)&p_box->data.p_dcom->i_algorithm );
2324 MP4_READBOX_EXIT( 1 );
2327 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
2329 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
2331 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
2333 p_box->data.p_cmvd->i_compressed_size = i_read;
2335 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
2336 MP4_READBOX_EXIT( 0 );
2338 /* now copy compressed data */
2339 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
2341 p_box->data.p_cmvd->b_compressed = 1;
2344 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
2345 p_box->data.p_cmvd->i_compressed_size );
2348 MP4_READBOX_EXIT( 1 );
2350 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
2352 FREENULL( p_box->data.p_cmvd->p_data );
2356 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
2362 stream_t *p_stream_memory;
2368 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
2371 if( !p_box->p_father ||
2372 ( p_box->p_father->i_type != ATOM_moov &&
2373 p_box->p_father->i_type != ATOM_foov ) )
2375 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
2379 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
2384 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
2385 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
2386 p_cmvd->data.p_cmvd->p_data == NULL )
2388 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
2392 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
2394 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
2395 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
2400 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
2404 /* decompress data */
2405 /* allocate a new buffer */
2406 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
2408 /* init default structures */
2409 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
2410 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
2411 z_data.next_out = p_data;
2412 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
2413 z_data.zalloc = (alloc_func)Z_NULL;
2414 z_data.zfree = (free_func)Z_NULL;
2415 z_data.opaque = (voidpf)Z_NULL;
2418 if( inflateInit( &z_data ) != Z_OK )
2420 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2426 i_result = inflate( &z_data, Z_NO_FLUSH );
2427 if( i_result != Z_OK && i_result != Z_STREAM_END )
2429 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2434 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
2436 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
2439 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
2442 if( inflateEnd( &z_data ) != Z_OK )
2444 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2448 free( p_cmvd->data.p_cmvd->p_data );
2449 p_cmvd->data.p_cmvd->p_data = p_data;
2450 p_cmvd->data.p_cmvd->b_compressed = 0;
2452 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
2454 /* now create a memory stream */
2456 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2457 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2459 /* and read uncompressd moov */
2460 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2462 stream_Delete( p_stream_memory );
2465 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2468 return p_box->data.p_cmov->p_moov ? 1 : 0;
2469 #endif /* HAVE_ZLIB_H */
2472 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2475 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2477 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2478 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2479 MP4_GET4BYTES( i_len );
2484 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2485 if( p_box->data.p_rdrf->psz_ref == NULL )
2486 MP4_READBOX_EXIT( 0 );
2489 for( unsigned i = 0; i < i_len; i++ )
2491 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2493 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2497 p_box->data.p_rdrf->psz_ref = NULL;
2502 "read box: \"rdrf\" type:%4.4s ref %s",
2503 (char*)&p_box->data.p_rdrf->i_ref_type,
2504 p_box->data.p_rdrf->psz_ref );
2506 MP4_READBOX_EXIT( 1 );
2509 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2511 FREENULL( p_box->data.p_rdrf->psz_ref );
2515 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2517 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2519 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2521 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2525 "read box: \"rmdr\" rate:%d",
2526 p_box->data.p_rmdr->i_rate );
2528 MP4_READBOX_EXIT( 1 );
2531 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2533 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2535 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2539 "read box: \"rmqu\" quality:%d",
2540 p_box->data.p_rmqu->i_quality );
2542 MP4_READBOX_EXIT( 1 );
2545 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2547 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2548 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2550 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2551 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2552 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2553 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2557 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2558 (char*)&p_box->data.p_rmvc->i_gestaltType,
2559 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2560 p_box->data.p_rmvc->i_checkType );
2563 MP4_READBOX_EXIT( 1 );
2566 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
2568 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2570 MP4_GETFOURCC( p_box->data.p_frma->i_type );
2573 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
2574 (char *)&p_box->data.p_frma->i_type );
2577 MP4_READBOX_EXIT( 1 );
2580 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
2582 MP4_READBOX_ENTER( MP4_Box_data_skcr_t );
2584 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
2585 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
2586 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
2589 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
2590 p_box->data.p_skcr->i_init,
2591 p_box->data.p_skcr->i_encr,
2592 p_box->data.p_skcr->i_decr );
2595 MP4_READBOX_EXIT( 1 );
2598 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2601 /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
2602 * so unless data decrypt itself by magic, there will be no playback,
2603 * but we never know... */
2604 msg_Warn( p_stream, "DRM protected streams are not supported." );
2608 static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
2610 MP4_READBOX_ENTER( MP4_Box_data_name_t );
2612 p_box->data.p_name->psz_text = malloc( p_box->i_size + 1 - 8 ); /* +\0, -name, -size */
2613 if( p_box->data.p_name->psz_text == NULL )
2614 MP4_READBOX_EXIT( 0 );
2616 memcpy( p_box->data.p_name->psz_text, p_peek, p_box->i_size - 8 );
2617 p_box->data.p_name->psz_text[p_box->i_size - 8] = '\0';
2620 msg_Dbg( p_stream, "read box: \"name\" text=`%s'",
2621 p_box->data.p_name->psz_text );
2623 MP4_READBOX_EXIT( 1 );
2626 static void MP4_FreeBox_name( MP4_Box_t *p_box )
2628 FREENULL( p_box->data.p_name->psz_text );
2631 static int MP4_ReadBox_data( stream_t *p_stream, MP4_Box_t *p_box )
2633 MP4_READBOX_ENTER( MP4_Box_data_data_t );
2635 /* What's that header ?? */
2637 MP4_READBOX_EXIT( 0 );
2639 p_box->data.p_data->p_blob = malloc( i_read - 8 );
2640 if ( !p_box->data.p_data->p_blob )
2641 MP4_READBOX_EXIT( 0 );
2643 p_box->data.p_data->i_blob = i_read - 8;
2644 memcpy( p_box->data.p_data->p_blob, p_peek + 8, i_read - 8 );
2646 MP4_READBOX_EXIT( 1 );
2649 static void MP4_FreeBox_data( MP4_Box_t *p_box )
2651 free( p_box->data.p_data->p_blob );
2654 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2658 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2660 p_box->data.p_0xa9xxx->psz_text = NULL;
2662 MP4_GET2BYTES( i16 );
2668 MP4_GET2BYTES( i16 );
2669 if( i_length >= i_read ) i_length = i_read + 1;
2671 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2672 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2673 MP4_READBOX_EXIT( 0 );
2676 memcpy( p_box->data.p_0xa9xxx->psz_text,
2678 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2682 "read box: \"c%3.3s\" text=`%s'",
2683 ((char*)&p_box->i_type + 1),
2684 p_box->data.p_0xa9xxx->psz_text );
2689 /* try iTune/Quicktime format, rewind to start */
2690 p_peek -= 2; i_read += 2;
2691 // we are expecting a 'data' box
2692 uint32_t i_data_len;
2693 uint32_t i_data_tag;
2695 MP4_GET4BYTES( i_data_len );
2696 if( i_data_len > i_read ) i_data_len = i_read;
2697 MP4_GETFOURCC( i_data_tag );
2698 if( (i_data_len > 0) && (i_data_tag == ATOM_data) )
2700 /* data box contains a version/flags field */
2702 uint32_t i_reserved;
2703 VLC_UNUSED(i_reserved);
2704 MP4_GET4BYTES( i_version );
2705 MP4_GET4BYTES( i_reserved );
2706 // version should be 0, flags should be 1 for text, 0 for data
2707 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2709 // the rest is the text
2711 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2712 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2713 MP4_READBOX_EXIT( 0 );
2715 memcpy( p_box->data.p_0xa9xxx->psz_text,
2716 p_peek, i_data_len );
2717 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2720 "read box: \"c%3.3s\" text=`%s'",
2721 ((char*)&p_box->i_type+1),
2722 p_box->data.p_0xa9xxx->psz_text );
2727 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2732 MP4_READBOX_EXIT( 1 );
2734 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2736 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2739 /* Chapter support */
2740 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2742 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2743 for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
2744 free( p_chpl->chapter[i].psz_name );
2747 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2749 MP4_Box_data_chpl_t *p_chpl;
2751 VLC_UNUSED(i_dummy);
2753 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2755 p_chpl = p_box->data.p_chpl;
2757 MP4_GETVERSIONFLAGS( p_chpl );
2759 MP4_GET4BYTES( i_dummy );
2761 MP4_GET1BYTE( p_chpl->i_chapter );
2763 for( i = 0; i < p_chpl->i_chapter; i++ )
2768 MP4_GET8BYTES( i_start );
2769 MP4_GET1BYTE( i_len );
2771 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2772 if( !p_chpl->chapter[i].psz_name )
2773 MP4_READBOX_EXIT( 0 );
2775 i_copy = __MIN( i_len, i_read );
2777 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2778 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2779 p_chpl->chapter[i].i_start = i_start;
2784 /* Bubble sort by increasing start date */
2787 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2789 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2791 char *psz = p_chpl->chapter[i+1].psz_name;
2792 int64_t i64 = p_chpl->chapter[i+1].i_start;
2794 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2795 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2797 p_chpl->chapter[i].psz_name = psz;
2798 p_chpl->chapter[i].i_start = i64;
2807 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2808 p_chpl->i_chapter );
2810 MP4_READBOX_EXIT( 1 );
2813 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2815 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2817 p_box->data.p_tref_generic->i_track_ID = NULL;
2818 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2819 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2820 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
2821 if( p_box->data.p_tref_generic->i_track_ID == NULL )
2822 MP4_READBOX_EXIT( 0 );
2824 for( unsigned i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2826 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2829 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2830 p_box->data.p_tref_generic->i_entry_count );
2833 MP4_READBOX_EXIT( 1 );
2835 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2837 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2840 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2842 uint8_t meta_data[8];
2843 int i_actually_read;
2845 // skip over box header
2846 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2847 if( i_actually_read < 8 )
2850 /* meta content starts with a 4 byte version/flags value (should be 0) */
2851 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2852 if( i_actually_read < 4 )
2855 /* then it behaves like a container */
2856 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2859 static int MP4_ReadBox_iods( stream_t *p_stream, MP4_Box_t *p_box )
2862 VLC_UNUSED(i_unused);
2864 MP4_READBOX_ENTER( MP4_Box_data_iods_t );
2865 MP4_GETVERSIONFLAGS( p_box->data.p_iods );
2867 MP4_GET1BYTE( i_unused ); /* tag */
2868 MP4_GET1BYTE( i_unused ); /* length */
2870 MP4_GET2BYTES( p_box->data.p_iods->i_object_descriptor ); /* 10bits, 6 other bits
2871 are used for other flags */
2872 MP4_GET1BYTE( p_box->data.p_iods->i_OD_profile_level );
2873 MP4_GET1BYTE( p_box->data.p_iods->i_scene_profile_level );
2874 MP4_GET1BYTE( p_box->data.p_iods->i_audio_profile_level );
2875 MP4_GET1BYTE( p_box->data.p_iods->i_visual_profile_level );
2876 MP4_GET1BYTE( p_box->data.p_iods->i_graphics_profile_level );
2880 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
2881 "visual: %i, graphics: %i",
2882 p_box->data.p_iods->i_object_descriptor >> 6,
2883 p_box->data.p_iods->i_OD_profile_level,
2884 p_box->data.p_iods->i_scene_profile_level,
2885 p_box->data.p_iods->i_audio_profile_level,
2886 p_box->data.p_iods->i_visual_profile_level,
2887 p_box->data.p_iods->i_graphics_profile_level );
2890 MP4_READBOX_EXIT( 1 );
2893 static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
2895 MP4_READBOX_ENTER( MP4_Box_data_pasp_t );
2897 MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
2898 MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
2902 "read box: \"paps\" %dx%d",
2903 p_box->data.p_pasp->i_horizontal_spacing,
2904 p_box->data.p_pasp->i_vertical_spacing);
2907 MP4_READBOX_EXIT( 1 );
2910 static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
2912 MP4_READBOX_ENTER( MP4_Box_data_mehd_t );
2914 MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
2915 if( p_box->data.p_mehd->i_version == 1 )
2916 MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
2917 else /* version == 0 */
2918 MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
2922 "read box: \"mehd\" frag dur. %"PRIu64"",
2923 p_box->data.p_mehd->i_fragment_duration );
2926 MP4_READBOX_EXIT( 1 );
2929 static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
2931 MP4_READBOX_ENTER( MP4_Box_data_trex_t );
2932 MP4_GETVERSIONFLAGS( p_box->data.p_trex );
2934 MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
2935 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
2936 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
2937 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
2938 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
2942 "read box: \"trex\" trackID: %"PRIu32"",
2943 p_box->data.p_trex->i_track_ID );
2946 MP4_READBOX_EXIT( 1 );
2949 static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
2951 uint32_t i_sample_count;
2952 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t );
2953 MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
2954 MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
2955 i_sample_count = i_read;
2957 p_sdtp->p_sample_table = calloc( i_sample_count, 1 );
2959 if( !p_sdtp->p_sample_table )
2960 MP4_READBOX_EXIT( 0 );
2962 for( uint32_t i = 0; i < i_sample_count; i++ )
2963 MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
2966 msg_Dbg( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
2968 "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
2969 p_sdtp->p_sample_table[0],
2970 p_sdtp->p_sample_table[1],
2971 p_sdtp->p_sample_table[2],
2972 p_sdtp->p_sample_table[3] );
2975 MP4_READBOX_EXIT( 1 );
2978 static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
2980 FREENULL( p_box->data.p_sdtp->p_sample_table );
2983 static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
2985 MP4_READBOX_ENTER( MP4_Box_data_mfro_t );
2987 MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
2988 MP4_GET4BYTES( p_box->data.p_mfro->i_size );
2992 "read box: \"mfro\" size: %"PRIu32"",
2993 p_box->data.p_mfro->i_size);
2996 MP4_READBOX_EXIT( 1 );
2999 static int MP4_ReadBox_tfra( stream_t *p_stream, MP4_Box_t *p_box )
3001 uint32_t i_number_of_entries;
3002 MP4_READBOX_ENTER( MP4_Box_data_tfra_t );
3003 MP4_Box_data_tfra_t *p_tfra = p_box->data.p_tfra;
3004 MP4_GETVERSIONFLAGS( p_box->data.p_tfra );
3006 MP4_GET4BYTES( p_tfra->i_track_ID );
3007 uint32_t i_lengths = 0;
3008 MP4_GET4BYTES( i_lengths );
3009 MP4_GET4BYTES( p_tfra->i_number_of_entries );
3010 i_number_of_entries = p_tfra->i_number_of_entries;
3011 p_tfra->i_length_size_of_traf_num = i_lengths >> 4;
3012 p_tfra->i_length_size_of_trun_num = ( i_lengths & 0x0c ) >> 2;
3013 p_tfra->i_length_size_of_sample_num = i_lengths & 0x03;
3015 size_t size = 4 + 4*p_tfra->i_version; /* size in {4, 8} */
3016 p_tfra->p_time = calloc( i_number_of_entries, size );
3017 p_tfra->p_moof_offset = calloc( i_number_of_entries, size );
3019 size = 1 + p_tfra->i_length_size_of_traf_num; /* size in [|1, 4|] */
3020 p_tfra->p_traf_number = calloc( i_number_of_entries, size );
3021 size = 1 + p_tfra->i_length_size_of_trun_num;
3022 p_tfra->p_trun_number = calloc( i_number_of_entries, size );
3023 size = 1 + p_tfra->i_length_size_of_sample_num;
3024 p_tfra->p_sample_number = calloc( i_number_of_entries, size );
3026 if( !p_tfra->p_time || !p_tfra->p_moof_offset || !p_tfra->p_traf_number
3027 || !p_tfra->p_trun_number || !p_tfra->p_sample_number )
3030 for( uint32_t i = 0; i < i_number_of_entries; i++ )
3032 if( p_tfra->i_version == 1 )
3034 MP4_GET8BYTES( p_tfra->p_time[i*2] );
3035 MP4_GET8BYTES( p_tfra->p_moof_offset[i*2] );
3039 MP4_GET4BYTES( p_tfra->p_time[i] );
3040 MP4_GET4BYTES( p_tfra->p_moof_offset[i] );
3042 switch (p_tfra->i_length_size_of_traf_num)
3045 MP4_GET1BYTE( p_tfra->p_traf_number[i] );
3048 MP4_GET2BYTES( p_tfra->p_traf_number[i*2] );
3051 MP4_GET3BYTES( p_tfra->p_traf_number[i*3] );
3054 MP4_GET4BYTES( p_tfra->p_traf_number[i*4] );
3060 switch (p_tfra->i_length_size_of_trun_num)
3063 MP4_GET1BYTE( p_tfra->p_trun_number[i] );
3066 MP4_GET2BYTES( p_tfra->p_trun_number[i*2] );
3069 MP4_GET3BYTES( p_tfra->p_trun_number[i*3] );
3072 MP4_GET4BYTES( p_tfra->p_trun_number[i*4] );
3078 switch (p_tfra->i_length_size_of_sample_num)
3081 MP4_GET1BYTE( p_tfra->p_sample_number[i] );
3084 MP4_GET2BYTES( p_tfra->p_sample_number[i*2] );
3087 MP4_GET3BYTES( p_tfra->p_sample_number[i*3] );
3090 MP4_GET4BYTES( p_tfra->p_sample_number[i*4] );
3098 if( p_tfra->i_version == 0 )
3100 msg_Dbg( p_stream, "time[0]: %"PRIu32", moof_offset[0]: %"PRIx32"",
3101 p_tfra->p_time[0], p_tfra->p_moof_offset[0] );
3103 msg_Dbg( p_stream, "time[1]: %"PRIu32", moof_offset[1]: %"PRIx32"",
3104 p_tfra->p_time[1], p_tfra->p_moof_offset[1] );
3108 msg_Dbg( p_stream, "time[0]: %"PRIu64", moof_offset[0]: %"PRIx64"",
3109 ((uint64_t *)(p_tfra->p_time))[0],
3110 ((uint64_t *)(p_tfra->p_moof_offset))[0] );
3112 msg_Dbg( p_stream, "time[1]: %"PRIu64", moof_offset[1]: %"PRIx64"",
3113 ((uint64_t *)(p_tfra->p_time))[1],
3114 ((uint64_t *)(p_tfra->p_moof_offset))[1] );
3117 msg_Dbg( p_stream, "number_of_entries is %"PRIu32"", i_number_of_entries );
3118 msg_Dbg( p_stream, "track ID is: %"PRIu32"", p_tfra->i_track_ID );
3121 MP4_READBOX_EXIT( 1 );
3123 MP4_READBOX_EXIT( 0 );
3126 static void MP4_FreeBox_tfra( MP4_Box_t *p_box )
3128 FREENULL( p_box->data.p_tfra->p_time );
3129 FREENULL( p_box->data.p_tfra->p_moof_offset );
3130 FREENULL( p_box->data.p_tfra->p_traf_number );
3131 FREENULL( p_box->data.p_tfra->p_trun_number );
3132 FREENULL( p_box->data.p_tfra->p_sample_number );
3137 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
3139 if( !p_box->p_father )
3143 if( p_box->p_father->i_type == ATOM_stsd )
3145 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
3148 if( p_mdia == NULL || p_mdia->i_type != ATOM_mdia ||
3149 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
3153 switch( p_hdlr->data.p_hdlr->i_handler_type )
3156 return MP4_ReadBox_sample_soun( p_stream, p_box );
3158 return MP4_ReadBox_sample_vide( p_stream, p_box );
3160 return MP4_ReadBox_sample_text( p_stream, p_box );
3163 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
3166 "unknown handler type in stsd (incompletely loaded)" );
3172 if MP4_BOX_TYPE_ASCII()
3174 "unknown box type %4.4s (incompletely loaded)",
3175 (char*)&p_box->i_type );
3178 "unknown box type c%3.3s (incompletely loaded)",
3179 (char*)&p_box->i_type+1 );
3184 /**** ------------------------------------------------------------------- ****/
3185 /**** "Higher level" Functions ****/
3186 /**** ------------------------------------------------------------------- ****/
3191 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
3192 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
3193 } MP4_Box_Function [] =
3196 { ATOM_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3197 { ATOM_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3198 { ATOM_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3199 { ATOM_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3200 { ATOM_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3201 { ATOM_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3202 { ATOM_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3203 { ATOM_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3204 { ATOM_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3205 { ATOM_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3206 { ATOM_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3207 { ATOM_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3208 { ATOM_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3209 { ATOM_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3210 { ATOM_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3211 { ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3212 { ATOM_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3213 { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3216 { ATOM_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
3217 { ATOM_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
3218 { ATOM_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
3219 { ATOM_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
3220 { ATOM_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
3221 { ATOM_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
3222 { ATOM_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
3223 { ATOM_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
3224 { ATOM_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
3225 { ATOM_url, MP4_ReadBox_url, MP4_FreeBox_url },
3226 { ATOM_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
3227 { ATOM_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
3228 { ATOM_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
3229 { ATOM_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
3230 { ATOM_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
3231 { ATOM_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
3232 { ATOM_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
3233 { ATOM_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
3234 { ATOM_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
3235 { ATOM_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
3236 { ATOM_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
3237 { ATOM_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
3238 { ATOM_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
3239 { ATOM_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
3240 { ATOM_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
3241 { ATOM_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
3242 { ATOM_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
3243 { ATOM_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
3244 { ATOM_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
3245 { ATOM_hvcC, MP4_ReadBox_hvcC, MP4_FreeBox_hvcC },
3246 { ATOM_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common },
3247 { ATOM_dvc1, MP4_ReadBox_dvc1, MP4_FreeBox_Common },
3248 { ATOM_enda, MP4_ReadBox_enda, MP4_FreeBox_Common },
3249 { ATOM_gnre, MP4_ReadBox_gnre, MP4_FreeBox_Common },
3250 { ATOM_trkn, MP4_ReadBox_trkn, MP4_FreeBox_Common },
3251 { ATOM_iods, MP4_ReadBox_iods, MP4_FreeBox_Common },
3252 { ATOM_pasp, MP4_ReadBox_pasp, MP4_FreeBox_Common },
3254 /* Nothing to do with this box */
3255 { ATOM_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3256 { ATOM_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3257 { ATOM_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3258 { ATOM_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
3261 { ATOM_tx3g, MP4_ReadBox_sample_tx3g, MP4_FreeBox_Common },
3262 //{ ATOM_text, MP4_ReadBox_sample_text, MP4_FreeBox_Common },
3265 { ATOM_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3266 { ATOM_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3267 { ATOM_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3268 { ATOM_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3269 { ATOM__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3270 { ATOM_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3271 { ATOM_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3272 { ATOM_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3273 { ATOM_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3274 { ATOM_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3275 { ATOM_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3276 { ATOM_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3277 { ATOM_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3278 { ATOM_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3279 { ATOM_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3280 { ATOM_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3281 { ATOM_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3282 { ATOM_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3283 { ATOM_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3284 { ATOM_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3285 { ATOM_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3286 { ATOM_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3287 { ATOM_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3289 { ATOM_drmi, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3290 { ATOM_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3291 { ATOM_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3292 { ATOM_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3293 { ATOM_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3294 { ATOM_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3295 { ATOM_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3296 { ATOM_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3297 { ATOM_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3298 { ATOM_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3299 { ATOM_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3300 { ATOM_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3301 { ATOM_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3302 { ATOM_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3303 { ATOM_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3304 { ATOM_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3305 { ATOM_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3306 { ATOM_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3307 { ATOM_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3308 { ATOM_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3309 { ATOM_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3310 { ATOM_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3311 { ATOM_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3312 { ATOM_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3314 { ATOM_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
3315 { ATOM_mjht, MP4_ReadBox_default, NULL },
3317 { ATOM_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3318 { ATOM_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3319 { ATOM_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3320 { ATOM_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3321 { ATOM_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3322 { ATOM_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3323 { ATOM_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3325 { ATOM_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3326 { ATOM_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3328 { ATOM_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3329 { ATOM_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
3331 { ATOM_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
3333 /* XXX there is 2 box where we could find this entry stbl and tref*/
3334 { ATOM_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
3336 /* found in tref box */
3337 { ATOM_dpnd, MP4_ReadBox_default, NULL },
3338 { ATOM_ipir, MP4_ReadBox_default, NULL },
3339 { ATOM_mpod, MP4_ReadBox_default, NULL },
3340 { ATOM_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
3343 { ATOM_rtp, MP4_ReadBox_default, NULL },
3346 { ATOM_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
3347 { ATOM_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
3348 { ATOM_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
3349 { ATOM_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
3351 { ATOM_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
3352 { ATOM_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3353 { ATOM_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3354 { ATOM_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
3355 { ATOM_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
3356 { ATOM_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
3357 { ATOM_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
3358 { ATOM_frma, MP4_ReadBox_frma, MP4_FreeBox_Common },
3359 { ATOM_skcr, MP4_ReadBox_skcr, MP4_FreeBox_Common },
3362 { ATOM_0xa9nam, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3363 { ATOM_0xa9aut, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3364 { ATOM_0xa9cpy, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3365 { ATOM_0xa9swr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3366 { ATOM_0xa9inf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3367 { ATOM_0xa9ART, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3368 { ATOM_0xa9dir, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3369 { ATOM_0xa9cmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3370 { ATOM_0xa9req, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3371 { ATOM_0xa9day, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3372 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3373 { ATOM_0xa9fmt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3374 { ATOM_0xa9prd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3375 { ATOM_0xa9prf, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3376 { ATOM_0xa9src, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3377 { ATOM_0xa9alb, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3378 { ATOM_0xa9dis, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3379 { ATOM_0xa9enc, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3380 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3381 { ATOM_0xa9trk, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3382 { ATOM_0xa9dsa, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3383 { ATOM_0xa9hst, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3384 { ATOM_0xa9url, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3385 { ATOM_0xa9ope, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3386 { ATOM_0xa9com, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3387 { ATOM_0xa9wrt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3388 { ATOM_0xa9too, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3389 { ATOM_0xa9wrn, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3390 { ATOM_0xa9mak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3391 { ATOM_0xa9mod, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3392 { ATOM_0xa9PRD, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3393 { ATOM_0xa9grp, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3394 { ATOM_0xa9lyr, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3395 { ATOM_0xa9gen, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3396 { ATOM_0xa9st3, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3397 { ATOM_0xa9ard, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3398 { ATOM_0xa9arg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3399 { ATOM_0xa9cak, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3400 { ATOM_0xa9con, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3401 { ATOM_0xa9des, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3402 { ATOM_0xa9lnt, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3403 { ATOM_0xa9phg, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3404 { ATOM_0xa9pub, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3405 { ATOM_0xa9sne, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3406 { ATOM_0xa9sol, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3407 { ATOM_0xa9thx, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3408 { ATOM_0xa9xpd, MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
3410 { ATOM_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
3412 /* iTunes/Quicktime meta info */
3413 { ATOM_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
3414 { ATOM_name, MP4_ReadBox_name, MP4_FreeBox_name },
3415 { ATOM_covr, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3416 { ATOM_data, MP4_ReadBox_data, MP4_FreeBox_data },
3418 /* found in smoothstreaming */
3419 { ATOM_traf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3420 { ATOM_mfra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
3421 { ATOM_mfhd, MP4_ReadBox_mfhd, MP4_FreeBox_Common },
3422 { ATOM_sidx, MP4_ReadBox_sidx, MP4_FreeBox_sidx },
3423 { ATOM_tfhd, MP4_ReadBox_tfhd, MP4_FreeBox_Common },
3424 { ATOM_trun, MP4_ReadBox_trun, MP4_FreeBox_trun },
3425 { ATOM_trex, MP4_ReadBox_trex, MP4_FreeBox_Common },
3426 { ATOM_mehd, MP4_ReadBox_mehd, MP4_FreeBox_Common },
3427 { ATOM_sdtp, MP4_ReadBox_sdtp, MP4_FreeBox_sdtp },
3428 { ATOM_tfra, MP4_ReadBox_tfra, MP4_FreeBox_tfra },
3429 { ATOM_mfro, MP4_ReadBox_mfro, MP4_FreeBox_Common },
3430 { ATOM_uuid, MP4_ReadBox_uuid, MP4_FreeBox_uuid },
3433 { 0, MP4_ReadBox_default, NULL }
3437 /*****************************************************************************
3438 * MP4_ReadBox : parse the actual box and the children
3439 * XXX : Do not go to the next box
3440 *****************************************************************************/
3441 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
3443 MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
3444 unsigned int i_index;
3449 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
3451 msg_Warn( p_stream, "cannot read one box" );
3455 if( !p_box->i_size )
3457 msg_Dbg( p_stream, "found an empty box (null size)" );
3461 p_box->p_father = p_father;
3463 /* Now search function to call */
3464 for( i_index = 0; ; i_index++ )
3466 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3467 ( MP4_Box_Function[i_index].i_type == 0 ) )
3473 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
3475 MP4_BoxFree( p_stream, p_box );
3482 /*****************************************************************************
3483 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
3485 *****************************************************************************/
3486 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
3488 unsigned int i_index;
3494 for( p_child = p_box->p_first; p_child != NULL; )
3498 p_next = p_child->p_next;
3499 MP4_BoxFree( s, p_child );
3503 /* Now search function to call */
3504 if( p_box->data.p_payload )
3506 for( i_index = 0; ; i_index++ )
3508 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
3509 ( MP4_Box_Function[i_index].i_type == 0 ) )
3514 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
3516 /* Should not happen */
3517 if MP4_BOX_TYPE_ASCII()
3519 "cannot free box %4.4s, type unknown",
3520 (char*)&p_box->i_type );
3523 "cannot free box c%3.3s, type unknown",
3524 (char*)&p_box->i_type+1 );
3528 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
3530 free( p_box->data.p_payload );
3535 /* SmooBox is a very simple MP4 box, VLC specific, used only for the stream_filter to
3536 * send information to the demux. SmooBox is actually a simplified moov box (we wanted
3537 * to avoid the hassle of building a moov box at the stream_filter level) */
3538 MP4_Box_t *MP4_BoxGetSmooBox( stream_t *s )
3540 /* p_chunk is a virtual root container for the smoo box */
3544 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3545 if( unlikely( p_chunk == NULL ) )
3548 p_chunk->i_type = ATOM_root;
3549 p_chunk->i_shortsize = 1;
3551 p_smoo = MP4_ReadBox( s, p_chunk );
3552 if( !p_smoo || p_smoo->i_type != ATOM_uuid || CmpUUID( &p_smoo->i_uuid, &SmooBoxUUID ) )
3554 msg_Warn( s, "no smoo box found!");
3558 p_chunk->p_first = p_smoo;
3559 p_chunk->p_last = p_smoo;
3568 MP4_Box_t *MP4_BoxGetNextChunk( stream_t *s )
3570 /* p_chunk is a virtual root container for the moof and mdat boxes */
3572 MP4_Box_t *p_tmp_box = NULL;
3574 p_tmp_box = calloc( 1, sizeof( MP4_Box_t ) );
3575 if( unlikely( p_tmp_box == NULL ) )
3578 /* We might get a ftyp box or a SmooBox */
3579 MP4_ReadBoxCommon( s, p_tmp_box );
3581 if( (p_tmp_box->i_type == ATOM_uuid && !CmpUUID( &p_tmp_box->i_uuid, &SmooBoxUUID )) )
3584 return MP4_BoxGetSmooBox( s );
3586 else if( p_tmp_box->i_type == ATOM_ftyp )
3589 return MP4_BoxGetRoot( s );
3593 p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
3594 if( unlikely( p_chunk == NULL ) )
3597 p_chunk->i_type = ATOM_root;
3598 p_chunk->i_shortsize = 1;
3600 MP4_ReadBoxContainerChildren( s, p_chunk, ATOM_moof );
3605 /*****************************************************************************
3606 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
3607 *****************************************************************************
3608 * The first box is a virtual box "root" and is the father for all first
3609 * level boxes for the file, a sort of virtual contener
3610 *****************************************************************************/
3611 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
3617 p_root = malloc( sizeof( MP4_Box_t ) );
3618 if( p_root == NULL )
3622 p_root->i_type = ATOM_root;
3623 p_root->i_shortsize = 1;
3624 /* could be a DASH stream for exemple, 0 means unknown or infinite size */
3626 CreateUUID( &p_root->i_uuid, p_root->i_type );
3628 p_root->data.p_payload = NULL;
3629 p_root->p_father = NULL;
3630 p_root->p_first = NULL;
3631 p_root->p_last = NULL;
3632 p_root->p_next = NULL;
3636 /* First get the moov */
3637 i_result = MP4_ReadBoxContainerChildren( p_stream, p_root, ATOM_moov );
3641 /* If there is a mvex box, it means fragmented MP4, and we're done */
3642 else if( MP4_BoxCount( p_root, "moov/mvex" ) > 0 )
3645 p_root->i_size = stream_Size( s );
3646 if( stream_Tell( s ) + 8 < stream_Size( s ) )
3648 /* Get the rest of the file */
3649 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
3658 /* check if there is a cmov, if so replace
3659 compressed moov by uncompressed one */
3660 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
3661 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
3662 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
3663 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
3665 /* rename the compressed moov as a box to skip */
3666 p_moov->i_type = ATOM_skip;
3668 /* get uncompressed p_moov */
3669 p_moov = p_cmov->data.p_cmov->p_moov;
3670 p_cmov->data.p_cmov->p_moov = NULL;
3672 /* make p_root father of this new moov */
3673 p_moov->p_father = p_root;
3675 /* insert this new moov box as first child of p_root */
3676 p_moov->p_next = p_root->p_first;
3677 p_root->p_first = p_moov;
3684 stream_Seek( p_stream, 0 );
3689 static void MP4_BoxDumpStructure_Internal( stream_t *s,
3690 MP4_Box_t *p_box, unsigned int i_level )
3696 if MP4_BOX_TYPE_ASCII()
3697 msg_Dbg( s, "dumping root Box \"%4.4s\"",
3698 (char*)&p_box->i_type );
3700 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
3701 (char*)&p_box->i_type+1 );
3706 if( i_level >= (sizeof(str) - 1)/4 )
3709 memset( str, ' ', sizeof(str) );
3710 for( unsigned i = 0; i < i_level; i++ )
3714 if( MP4_BOX_TYPE_ASCII() )
3715 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3716 "+ %4.4s size %"PRIu64" offset %ld",
3717 (char*)&p_box->i_type, p_box->i_size, p_box->i_pos );
3719 snprintf( &str[i_level * 4], sizeof(str) - 4*i_level,
3720 "+ c%3.3s size %"PRIu64" offset %ld",
3721 (char*)&p_box->i_type+1, p_box->i_size, p_box->i_pos );
3722 msg_Dbg( s, "%s", str );
3724 p_child = p_box->p_first;
3727 MP4_BoxDumpStructure_Internal( s, p_child, i_level + 1 );
3728 p_child = p_child->p_next;
3732 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
3734 MP4_BoxDumpStructure_Internal( s, p_box, 0 );
3738 /*****************************************************************************
3739 *****************************************************************************
3741 ** High level methods to acces an MP4 file
3743 *****************************************************************************
3744 *****************************************************************************/
3745 static void get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
3748 if( !*ppsz_path[0] )
3754 i_len = strcspn( *ppsz_path, "/[" );
3755 if( !i_len && **ppsz_path == '/' )
3759 *ppsz_token = strndup( *ppsz_path, i_len );
3760 if( unlikely(!*ppsz_token) )
3763 *ppsz_path += i_len;
3765 if( **ppsz_path == '[' )
3768 *pi_number = strtol( *ppsz_path, NULL, 10 );
3769 while( **ppsz_path && **ppsz_path != ']' )
3773 if( **ppsz_path == ']' )
3782 while( **ppsz_path == '/' )
3788 static void MP4_BoxGet_Internal( MP4_Box_t **pp_result,
3789 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
3801 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
3804 if( !psz_path || !psz_path[0] )
3811 // fprintf( stderr, "path:'%s'\n", psz_path );
3812 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
3817 get_token( &psz_path, &psz_token, &i_number );
3818 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
3819 // psz_path,psz_token,i_number );
3827 if( !strcmp( psz_token, "/" ) )
3830 while( p_box && p_box->i_type != ATOM_root )
3832 p_box = p_box->p_father;
3840 if( !strcmp( psz_token, "." ) )
3845 if( !strcmp( psz_token, ".." ) )
3847 p_box = p_box->p_father;
3854 if( strlen( psz_token ) == 4 )
3857 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
3858 psz_token[2], psz_token[3] );
3859 p_box = p_box->p_first;
3866 if( p_box->i_type == i_fourcc )
3874 p_box = p_box->p_next;
3878 if( *psz_token == '\0' )
3880 p_box = p_box->p_first;
3892 p_box = p_box->p_next;
3897 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
3901 FREENULL( psz_token );
3913 /*****************************************************************************
3914 * MP4_BoxGet: find a box given a path relative to p_box
3915 *****************************************************************************
3916 * Path Format: . .. / as usual
3917 * [number] to specifie box number ex: trak[12]
3919 * ex: /moov/trak[12]
3921 *****************************************************************************/
3922 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
3925 MP4_Box_t *p_result;
3927 va_start( args, psz_fmt );
3928 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
3934 /*****************************************************************************
3935 * MP4_BoxCount: count box given a path relative to p_box
3936 *****************************************************************************
3937 * Path Format: . .. / as usual
3938 * [number] to specifie box number ex: trak[12]
3940 * ex: /moov/trak[12]
3942 *****************************************************************************/
3943 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
3947 MP4_Box_t *p_result, *p_next;
3949 va_start( args, psz_fmt );
3950 MP4_BoxGet_Internal( &p_result, p_box, psz_fmt, args );
3958 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3960 if( p_next->i_type == p_result->i_type)