1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 the VideoLAN team
7 * Author: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
23 #include <stdlib.h> /* malloc(), free() */
26 #include <vlc/input.h>
29 # include <zlib.h> /* for compressed moov */
35 /*****************************************************************************
36 * Here are defined some macro to make life simpler but before using it
39 *****************************************************************************/
40 #define MP4_BOX_HEADERSIZE( p_box ) \
41 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
42 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
44 #define MP4_GET1BYTE( dst ) \
45 dst = *p_peek; p_peek++; i_read--
47 #define MP4_GET2BYTES( dst ) \
48 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
50 #define MP4_GET3BYTES( dst ) \
51 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
53 #define MP4_GET4BYTES( dst ) \
54 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
56 #define MP4_GETFOURCC( dst ) \
57 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
58 p_peek += 4; i_read -= 4
60 #define MP4_GET8BYTES( dst ) \
61 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
63 #define MP4_GETVERSIONFLAGS( p_void ) \
64 MP4_GET1BYTE( p_void->i_version ); \
65 MP4_GET3BYTES( p_void->i_flags )
67 #define MP4_GETSTRINGZ( p_str ) \
68 if( ( i_read > 0 )&&(p_peek[0] ) ) \
70 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
71 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
72 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
73 p_peek += strlen( p_str ) + 1; \
74 i_read -= strlen( p_str ) + 1; \
82 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
83 int64_t i_read = p_box->i_size; \
84 uint8_t *p_peek, *p_buff; \
85 i_read = p_box->i_size; \
86 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
90 if( stream_Read( p_stream, p_peek, i_read ) < i_read )\
95 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
96 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
97 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
103 #define MP4_READBOX_EXIT( i_code ) \
107 msg_Warn( p_stream, "Not enough data" ); \
112 if( p ) {free( p ); p = NULL; }
117 * The input method HAVE to be seekable
121 static uint32_t Get24bBE( uint8_t *p )
123 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
126 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
128 memcpy( p_uuid, p_buff, 16 );
131 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
133 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
134 where XXXXXXXX is the fourcc */
135 /* FIXME implement this */
138 /* some functions for mp4 encoding of variables */
140 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
147 /* date begin at 1 jan 1904 */
148 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
150 i_day = i_date / ( 60*60*24);
151 i_hour = ( i_date /( 60*60 ) ) % 60;
152 i_min = ( i_date / 60 ) % 60;
154 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
157 /*****************************************************************************
159 *****************************************************************************/
160 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
163 /*****************************************************************************
164 * MP4_ReadBoxCommon : Load only common parameters for all boxes
165 *****************************************************************************
166 * p_box need to be an already allocated MP4_Box_t, and all data
167 * will only be peek not read
169 * RETURN : 0 if it fail, 1 otherwise
170 *****************************************************************************/
171 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
176 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
180 p_box->i_pos = stream_Tell( p_stream );
182 p_box->data.p_data = NULL;
183 p_box->p_father = NULL;
184 p_box->p_first = NULL;
185 p_box->p_last = NULL;
186 p_box->p_next = NULL;
188 MP4_GET4BYTES( p_box->i_shortsize );
189 MP4_GETFOURCC( p_box->i_type );
191 /* Now special case */
193 if( p_box->i_shortsize == 1 )
195 /* get the true size on 64 bits */
196 MP4_GET8BYTES( p_box->i_size );
200 p_box->i_size = p_box->i_shortsize;
201 /* XXX size of 0 means that the box extends to end of file */
204 if( p_box->i_type == FOURCC_uuid )
206 /* get extented type on 16 bytes */
207 GetUUID( &p_box->i_uuid, p_peek );
208 p_peek += 16; i_read -= 16;
212 CreateUUID( &p_box->i_uuid, p_box->i_type );
217 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
218 (char*)&p_box->i_type, p_box->i_size );
225 /*****************************************************************************
226 * MP4_NextBox : Go to the next box
227 *****************************************************************************
228 * if p_box == NULL, go to the next box in which we are( at the begining ).
229 *****************************************************************************/
230 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
236 MP4_ReadBoxCommon( p_stream, &box );
242 return 2; /* Box with infinite size */
245 if( p_box->p_father )
247 /* check if it's within p-father */
248 if( p_box->i_size + p_box->i_pos >=
249 p_box->p_father->i_size + p_box->p_father->i_pos )
251 msg_Dbg( p_stream, "out of bound child" );
252 return 0; /* out of bound */
255 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
263 /*****************************************************************************
264 * For all known box a loader is given,
265 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
266 * after called one of theses functions, file position is unknown
267 * you need to call MP4_GotoBox to go where you want
268 *****************************************************************************/
269 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
273 if( stream_Tell( p_stream ) + 8 >
274 (off_t)(p_container->i_pos + p_container->i_size) )
276 /* there is no box to load */
282 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
284 /* chain this box with the father and the other at same level */
285 if( !p_container->p_first ) p_container->p_first = p_box;
286 else p_container->p_last->p_next = p_box;
287 p_container->p_last = p_box;
289 } while( MP4_NextBox( p_stream, p_box ) == 1 );
294 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
296 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
298 /* container is empty, 8 stand for the first header in this box */
303 stream_Seek( p_stream, p_container->i_pos +
304 MP4_BOX_HEADERSIZE( p_container ) );
306 return MP4_ReadBoxContainerRaw( p_stream, p_container );
309 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
311 /* Up to now do nothing */
314 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
316 /* XXX sometime moov is hiden in a free box */
317 if( p_box->p_father &&
318 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
319 p_box->i_type == FOURCC_free )
325 i_read = stream_Peek( p_stream, &p_peek, 44 );
327 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
328 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
332 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
334 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
336 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
338 p_box->i_type = FOURCC_foov;
339 return MP4_ReadBoxContainer( p_stream, p_box );
346 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
351 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
353 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
355 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
356 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
358 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
361 p_box->data.p_ftyp->i_compatible_brands =
362 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
364 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
366 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
371 p_box->data.p_ftyp->i_compatible_brands = NULL;
374 MP4_READBOX_EXIT( 1 );
377 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
379 FREE( p_box->data.p_ftyp->i_compatible_brands );
383 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
387 char s_creation_time[128];
388 char s_modification_time[128];
389 char s_duration[128];
391 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
393 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
395 if( p_box->data.p_mvhd->i_version )
397 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
398 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
399 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
400 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
404 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
405 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
406 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
407 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
409 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
410 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
411 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
414 for( i = 0; i < 2; i++ )
416 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
418 for( i = 0; i < 9; i++ )
420 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
422 for( i = 0; i < 6; i++ )
424 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
427 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
431 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
432 MP4_ConvertDate2Str( s_modification_time,
433 p_box->data.p_mvhd->i_modification_time );
434 if( p_box->data.p_mvhd->i_rate )
436 MP4_ConvertDate2Str( s_duration,
437 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
443 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
446 (uint32_t)p_box->data.p_mvhd->i_timescale,
448 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
449 (float)p_box->data.p_mvhd->i_volume / 256 ,
450 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
452 MP4_READBOX_EXIT( 1 );
455 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
459 char s_creation_time[128];
460 char s_modification_time[128];
461 char s_duration[128];
463 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
465 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
467 if( p_box->data.p_tkhd->i_version )
469 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
470 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
471 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
472 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
473 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
478 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
479 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
480 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
481 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
484 for( i = 0; i < 2; i++ )
486 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
488 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
489 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
490 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
491 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
493 for( i = 0; i < 9; i++ )
495 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
497 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
498 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
501 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
502 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
503 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
505 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
509 p_box->data.p_tkhd->i_track_ID,
510 p_box->data.p_tkhd->i_layer,
511 (float)p_box->data.p_tkhd->i_volume / 256 ,
512 (float)p_box->data.p_tkhd->i_width / 65536,
513 (float)p_box->data.p_tkhd->i_height / 65536 );
515 MP4_READBOX_EXIT( 1 );
519 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
524 char s_creation_time[128];
525 char s_modification_time[128];
526 char s_duration[128];
528 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
530 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
532 if( p_box->data.p_mdhd->i_version )
534 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
535 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
536 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
537 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
541 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
542 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
543 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
544 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
546 i_language = GetWBE( p_peek );
547 for( i = 0; i < 3; i++ )
549 p_box->data.p_mdhd->i_language[i] =
550 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
553 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
556 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
557 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
558 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
559 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
562 (uint32_t)p_box->data.p_mdhd->i_timescale,
564 p_box->data.p_mdhd->i_language[0],
565 p_box->data.p_mdhd->i_language[1],
566 p_box->data.p_mdhd->i_language[2] );
568 MP4_READBOX_EXIT( 1 );
572 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
576 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
578 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
580 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
581 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
583 MP4_GET4BYTES( i_reserved );
584 MP4_GET4BYTES( i_reserved );
585 MP4_GET4BYTES( i_reserved );
586 p_box->data.p_hdlr->psz_name = NULL;
590 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
592 /* Yes, I love .mp4 :( */
593 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
598 MP4_GET1BYTE( i_len );
599 i_copy = __MIN( i_read, i_len );
601 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
602 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
606 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
607 p_box->data.p_hdlr->psz_name[i_read] = '\0';
612 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
613 (char*)&p_box->data.p_hdlr->i_handler_type,
614 p_box->data.p_hdlr->psz_name );
617 MP4_READBOX_EXIT( 1 );
620 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
622 FREE( p_box->data.p_hdlr->psz_name );
625 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
629 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
631 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
633 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
634 for( i = 0; i < 3; i++ )
636 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
640 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
641 p_box->data.p_vmhd->i_graphics_mode,
642 p_box->data.p_vmhd->i_opcolor[0],
643 p_box->data.p_vmhd->i_opcolor[1],
644 p_box->data.p_vmhd->i_opcolor[2] );
646 MP4_READBOX_EXIT( 1 );
649 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
651 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
653 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
657 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
659 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
662 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
663 (float)p_box->data.p_smhd->i_balance / 256 );
665 MP4_READBOX_EXIT( 1 );
669 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
671 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
673 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
675 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
676 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
678 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
679 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
681 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
684 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
685 p_box->data.p_hmhd->i_max_PDU_size,
686 p_box->data.p_hmhd->i_avg_PDU_size,
687 p_box->data.p_hmhd->i_max_bitrate,
688 p_box->data.p_hmhd->i_avg_bitrate );
690 MP4_READBOX_EXIT( 1 );
693 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
695 MP4_READBOX_ENTER( MP4_Box_data_url_t );
697 MP4_GETVERSIONFLAGS( p_box->data.p_url );
698 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
701 msg_Dbg( p_stream, "read box: \"url\" url: %s",
702 p_box->data.p_url->psz_location );
705 MP4_READBOX_EXIT( 1 );
709 static void MP4_FreeBox_url( MP4_Box_t *p_box )
711 FREE( p_box->data.p_url->psz_location )
714 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
716 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
718 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
720 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
721 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
724 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
725 p_box->data.p_urn->psz_name,
726 p_box->data.p_urn->psz_location );
728 MP4_READBOX_EXIT( 1 );
730 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
732 FREE( p_box->data.p_urn->psz_name );
733 FREE( p_box->data.p_urn->psz_location );
737 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
739 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
741 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
743 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
745 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
746 MP4_ReadBoxContainerRaw( p_stream, p_box );
749 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
750 p_box->data.p_dref->i_entry_count );
753 MP4_READBOX_EXIT( 1 );
757 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
760 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
762 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
763 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
765 p_box->data.p_stts->i_sample_count =
766 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
767 p_box->data.p_stts->i_sample_delta =
768 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
770 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
772 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
773 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
777 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
778 p_box->data.p_stts->i_entry_count );
781 MP4_READBOX_EXIT( 1 );
784 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
786 FREE( p_box->data.p_stts->i_sample_count );
787 FREE( p_box->data.p_stts->i_sample_delta );
790 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
793 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
795 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
797 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
799 p_box->data.p_ctts->i_sample_count =
800 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
801 p_box->data.p_ctts->i_sample_offset =
802 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
804 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
806 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
807 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
811 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
812 p_box->data.p_ctts->i_entry_count );
815 MP4_READBOX_EXIT( 1 );
818 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
820 FREE( p_box->data.p_ctts->i_sample_count );
821 FREE( p_box->data.p_ctts->i_sample_offset );
824 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
827 unsigned int i_len = 0;
834 i_len = ( i_len << 7 ) + ( i_b&0x7f );
839 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
841 #define es_descriptor p_box->data.p_esds->es_descriptor
843 unsigned int i_flags;
846 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
848 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
851 MP4_GET1BYTE( i_type );
852 if( i_type == 0x03 ) /* MP4ESDescrTag */
854 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
857 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
861 MP4_GET2BYTES( es_descriptor.i_ES_ID );
862 MP4_GET1BYTE( i_flags );
863 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
864 es_descriptor.b_url = ( (i_flags&0x40) != 0);
865 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
867 es_descriptor.i_stream_priority = i_flags&0x1f;
868 if( es_descriptor.b_stream_dependence )
870 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
872 if( es_descriptor.b_url )
876 MP4_GET1BYTE( i_len );
877 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
878 memcpy( es_descriptor.psz_URL, p_peek, i_len );
879 es_descriptor.psz_URL[i_len] = 0;
885 es_descriptor.psz_URL = NULL;
887 if( es_descriptor.b_OCRstream )
889 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
891 MP4_GET1BYTE( i_type ); /* get next type */
894 if( i_type != 0x04)/* MP4DecConfigDescrTag */
896 es_descriptor.p_decConfigDescr = NULL;
897 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
900 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
903 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
907 es_descriptor.p_decConfigDescr =
908 malloc( sizeof( MP4_descriptor_decoder_config_t ));
910 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
911 MP4_GET1BYTE( i_flags );
912 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
913 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
914 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
915 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
916 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
917 MP4_GET1BYTE( i_type );
918 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
920 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
921 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
922 MP4_READBOX_EXIT( 1 );
925 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
928 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
932 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
933 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
934 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
937 MP4_READBOX_EXIT( 1 );
942 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
944 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
945 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
947 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
949 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
952 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
954 MP4_Box_data_avcC_t *p_avcC;
957 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
958 p_avcC = p_box->data.p_avcC;
960 p_avcC->i_avcC = i_read;
961 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
962 memcpy( p_avcC->p_avcC, p_peek, i_read );
964 MP4_GET1BYTE( p_avcC->i_version );
965 MP4_GET1BYTE( p_avcC->i_profile );
966 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
967 MP4_GET1BYTE( p_avcC->i_level );
968 MP4_GET1BYTE( p_avcC->i_reserved1 );
969 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
970 p_avcC->i_reserved1 >>= 2;
972 MP4_GET1BYTE( p_avcC->i_reserved2 );
973 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
974 p_avcC->i_reserved2 >>= 5;
976 if( p_avcC->i_sps > 0 )
978 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
979 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
981 for( i = 0; i < p_avcC->i_sps; i++ )
983 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
984 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
985 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
987 p_peek += p_avcC->i_sps_length[i];
988 i_read -= p_avcC->i_sps_length[i];
992 MP4_GET1BYTE( p_avcC->i_pps );
993 if( p_avcC->i_pps > 0 )
995 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
996 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
998 for( i = 0; i < p_avcC->i_pps; i++ )
1000 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1001 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1002 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1004 p_peek += p_avcC->i_pps_length[i];
1005 i_read -= p_avcC->i_pps_length[i];
1010 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1011 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1012 p_avcC->i_length_size,
1013 p_avcC->i_sps, p_avcC->i_pps );
1014 for( i = 0; i < p_avcC->i_sps; i++ )
1016 msg_Dbg( p_stream, " - sps[%d] length=%d",
1017 i, p_avcC->i_sps_length[i] );
1019 for( i = 0; i < p_avcC->i_pps; i++ )
1021 msg_Dbg( p_stream, " - pps[%d] length=%d",
1022 i, p_avcC->i_pps_length[i] );
1026 MP4_READBOX_EXIT( 1 );
1029 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1031 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1034 for( i = 0; i < p_avcC->i_sps; i++ )
1036 FREE( p_avcC->sps[i] );
1038 for( i = 0; i < p_avcC->i_pps; i++ )
1040 FREE( p_avcC->pps[i] );
1042 if( p_avcC->i_sps > 0 ) FREE( p_avcC->sps );
1043 if( p_avcC->i_pps > 0 ) FREE( p_avcC->pps );
1046 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1050 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1051 p_box->data.p_sample_soun->p_qt_description = NULL;
1053 /* Sanity check needed because the "wave" box does also contain an
1054 * "mp4a" box that we don't understand. */
1058 MP4_READBOX_EXIT( 1 );
1061 for( i = 0; i < 6 ; i++ )
1063 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1066 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1069 * XXX hack -> produce a copy of the nearly complete chunk
1073 p_box->data.p_sample_soun->i_qt_description = i_read;
1074 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1075 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1079 p_box->data.p_sample_soun->i_qt_description = 0;
1080 p_box->data.p_sample_soun->p_qt_description = NULL;
1083 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1084 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1085 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1090 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1091 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1094 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1096 /* SoundDescriptionV1 */
1097 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1098 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1099 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1100 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1104 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1105 "bytes/frame=%d bytes/sample=%d",
1106 p_box->data.p_sample_soun->i_sample_per_packet,
1107 p_box->data.p_sample_soun->i_bytes_per_packet,
1108 p_box->data.p_sample_soun->i_bytes_per_frame,
1109 p_box->data.p_sample_soun->i_bytes_per_sample );
1111 stream_Seek( p_stream, p_box->i_pos +
1112 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1114 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1116 /* SoundDescriptionV2 */
1117 double f_sample_rate;
1120 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1121 MP4_GET8BYTES( (*(int64_t *)&f_sample_rate) );
1123 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1124 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1125 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1127 MP4_GET4BYTES( i_channel );
1128 p_box->data.p_sample_soun->i_channelcount = i_channel;
1131 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1133 stream_Seek( p_stream, p_box->i_pos +
1134 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1138 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1139 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1140 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1141 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1143 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1145 stream_Seek( p_stream, p_box->i_pos +
1146 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1149 if( p_box->i_type == FOURCC_drms )
1151 p_box->data.p_sample_soun->p_drms =
1152 drms_alloc( p_stream->p_vlc->psz_homedir );
1154 if( p_box->data.p_sample_soun->p_drms == NULL )
1156 msg_Err( p_stream, "drms_alloc() failed" );
1160 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1162 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1163 p_box->data.p_sample_soun->i_channelcount = 1;
1166 if( p_box->i_type == FOURCC_alac )
1168 if( p_box->data.p_sample_soun->p_qt_description )
1169 free( p_box->data.p_sample_soun->p_qt_description );
1171 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1172 p_box->data.p_sample_soun->i_qt_description = i_read;
1173 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1177 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1181 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1182 "sample size %d sample rate %f",
1183 p_box->data.p_sample_soun->i_channelcount,
1184 p_box->data.p_sample_soun->i_samplesize,
1185 (float)p_box->data.p_sample_soun->i_sampleratehi +
1186 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1189 MP4_READBOX_EXIT( 1 );
1193 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1195 FREE( p_box->data.p_sample_soun->p_qt_description );
1197 if( p_box->i_type == FOURCC_drms )
1199 if( p_box->data.p_sample_soun->p_drms )
1201 drms_free( p_box->data.p_sample_soun->p_drms );
1207 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1211 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1213 for( i = 0; i < 6 ; i++ )
1215 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1218 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1221 * XXX hack -> produce a copy of the nearly complete chunk
1225 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1226 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1227 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1232 p_box->data.p_sample_vide->i_qt_image_description = 0;
1233 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1236 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1237 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1238 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1240 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1241 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1243 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1244 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1246 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1247 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1249 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1250 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1252 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1253 p_peek += 32; i_read -= 32;
1255 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1256 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1258 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1259 MP4_ReadBoxContainerRaw( p_stream, p_box );
1262 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1263 p_box->data.p_sample_vide->i_width,
1264 p_box->data.p_sample_vide->i_height,
1265 p_box->data.p_sample_vide->i_depth );
1268 MP4_READBOX_EXIT( 1 );
1272 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1274 FREE( p_box->data.p_sample_vide->p_qt_image_description );
1277 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1279 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1280 MP4_ReadBoxContainerRaw( p_stream, p_box );
1284 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1288 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1290 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1291 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1293 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1295 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1300 /* FIXME search right signification */
1302 p_box->data.p_sample_text->i_justification_horizontal = 1;
1303 p_box->data.p_sample_text->i_justification_vertical = 1;
1305 case -1: // Flush Right
1306 p_box->data.p_sample_text->i_justification_horizontal = -1;
1307 p_box->data.p_sample_text->i_justification_vertical = -1;
1309 case -2: // Flush Left
1310 p_box->data.p_sample_text->i_justification_horizontal = 0;
1311 p_box->data.p_sample_text->i_justification_vertical = 0;
1313 case 0: // Flush Default
1315 p_box->data.p_sample_text->i_justification_horizontal = 1;
1316 p_box->data.p_sample_text->i_justification_vertical = -1;
1320 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1321 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1322 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1323 p_box->data.p_sample_text->i_background_color[3] = 0;
1325 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1326 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1327 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1328 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1331 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1333 MP4_READBOX_EXIT( 1 );
1336 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1338 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1340 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1341 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1343 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1345 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1347 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1348 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1350 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1351 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1352 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1353 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1355 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1356 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1357 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1358 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1361 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1363 MP4_READBOX_EXIT( 1 );
1368 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1369 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1371 FREE( p_box->data.p_sample_text->psz_text_name );
1376 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1379 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1381 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1383 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1385 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1387 MP4_ReadBoxContainerRaw( p_stream, p_box );
1390 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1391 p_box->data.p_stsd->i_entry_count );
1394 MP4_READBOX_EXIT( 1 );
1398 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1402 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1404 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1406 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1408 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1410 p_box->data.p_stsz->i_entry_size =
1411 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1413 if( !p_box->data.p_stsz->i_sample_size )
1415 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1417 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1422 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1423 p_box->data.p_stsz->i_sample_size,
1424 p_box->data.p_stsz->i_sample_count );
1427 MP4_READBOX_EXIT( 1 );
1430 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1432 FREE( p_box->data.p_stsz->i_entry_size );
1435 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1439 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1441 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1443 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1445 p_box->data.p_stsc->i_first_chunk =
1446 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1447 p_box->data.p_stsc->i_samples_per_chunk =
1448 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1449 p_box->data.p_stsc->i_sample_description_index =
1450 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1452 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1454 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1455 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1456 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1460 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1461 p_box->data.p_stsc->i_entry_count );
1464 MP4_READBOX_EXIT( 1 );
1467 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1469 FREE( p_box->data.p_stsc->i_first_chunk );
1470 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1471 FREE( p_box->data.p_stsc->i_sample_description_index );
1474 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1478 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1480 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1482 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1484 p_box->data.p_co64->i_chunk_offset =
1485 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1487 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1489 if( p_box->i_type == FOURCC_stco )
1495 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1503 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1508 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1509 p_box->data.p_co64->i_entry_count );
1512 MP4_READBOX_EXIT( 1 );
1515 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1517 FREE( p_box->data.p_co64->i_chunk_offset );
1520 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1524 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1526 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1528 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1530 p_box->data.p_stss->i_sample_number =
1531 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1533 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1536 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1537 /* XXX in libmp4 sample begin at 0 */
1538 p_box->data.p_stss->i_sample_number[i]--;
1542 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1543 p_box->data.p_stss->i_entry_count );
1546 MP4_READBOX_EXIT( 1 );
1549 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1551 FREE( p_box->data.p_stss->i_sample_number )
1554 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1558 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1560 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1563 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1565 p_box->data.p_stsh->i_shadowed_sample_number =
1566 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1568 p_box->data.p_stsh->i_sync_sample_number =
1569 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1572 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1575 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1576 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1580 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1581 p_box->data.p_stsh->i_entry_count );
1583 MP4_READBOX_EXIT( 1 );
1586 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1588 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1589 FREE( p_box->data.p_stsh->i_sync_sample_number )
1593 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1597 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1599 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1601 p_box->data.p_stdp->i_priority =
1602 calloc( sizeof( uint16_t ), i_read / 2 );
1604 for( i = 0; i < i_read / 2 ; i++ )
1607 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1611 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1615 MP4_READBOX_EXIT( 1 );
1618 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1620 FREE( p_box->data.p_stdp->i_priority )
1623 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1627 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1629 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1632 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1634 p_box->data.p_padb->i_reserved1 =
1635 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1636 p_box->data.p_padb->i_pad2 =
1637 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1638 p_box->data.p_padb->i_reserved2 =
1639 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1640 p_box->data.p_padb->i_pad1 =
1641 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1644 for( i = 0; i < i_read / 2 ; i++ )
1646 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1647 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1648 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1649 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1651 p_peek += 1; i_read -= 1;
1655 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1659 MP4_READBOX_EXIT( 1 );
1662 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1664 FREE( p_box->data.p_padb->i_reserved1 );
1665 FREE( p_box->data.p_padb->i_pad2 );
1666 FREE( p_box->data.p_padb->i_reserved2 );
1667 FREE( p_box->data.p_padb->i_pad1 );
1670 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1674 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1676 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1679 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1681 p_box->data.p_elst->i_segment_duration =
1682 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1683 p_box->data.p_elst->i_media_time =
1684 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1685 p_box->data.p_elst->i_media_rate_integer =
1686 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1687 p_box->data.p_elst->i_media_rate_fraction=
1688 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1691 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1693 if( p_box->data.p_elst->i_version == 1 )
1696 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1698 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1703 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1705 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1706 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1709 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1710 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1714 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1718 MP4_READBOX_EXIT( 1 );
1721 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1723 FREE( p_box->data.p_elst->i_segment_duration );
1724 FREE( p_box->data.p_elst->i_media_time );
1725 FREE( p_box->data.p_elst->i_media_rate_integer );
1726 FREE( p_box->data.p_elst->i_media_rate_fraction );
1729 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1731 unsigned int i_language;
1734 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1736 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1738 i_language = GetWBE( p_peek );
1739 for( i = 0; i < 3; i++ )
1741 p_box->data.p_cprt->i_language[i] =
1742 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1744 p_peek += 2; i_read -= 2;
1745 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1748 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1749 p_box->data.p_cprt->i_language[0],
1750 p_box->data.p_cprt->i_language[1],
1751 p_box->data.p_cprt->i_language[2],
1752 p_box->data.p_cprt->psz_notice );
1755 MP4_READBOX_EXIT( 1 );
1758 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1760 FREE( p_box->data.p_cprt->psz_notice );
1764 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1766 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1768 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1771 "read box: \"dcom\" compression algorithm : %4.4s",
1772 (char*)&p_box->data.p_dcom->i_algorithm );
1774 MP4_READBOX_EXIT( 1 );
1777 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1779 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1781 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1783 p_box->data.p_cmvd->i_compressed_size = i_read;
1785 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1787 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1791 /* now copy compressed data */
1792 memcpy( p_box->data.p_cmvd->p_data,
1796 p_box->data.p_cmvd->b_compressed = 1;
1799 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1800 p_box->data.p_cmvd->i_compressed_size );
1803 MP4_READBOX_EXIT( 1 );
1805 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1807 FREE( p_box->data.p_cmvd->p_data );
1811 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1817 stream_t *p_stream_memory;
1823 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1825 msg_Err( p_stream, "out of memory" );
1828 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1830 if( !p_box->p_father ||
1831 ( p_box->p_father->i_type != FOURCC_moov &&
1832 p_box->p_father->i_type != FOURCC_foov ) )
1834 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1838 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1843 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1844 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1845 p_cmvd->data.p_cmvd->p_data == NULL )
1847 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1851 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1853 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1854 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1859 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1863 /* decompress data */
1864 /* allocate a new buffer */
1865 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1867 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1868 "uncompress data" );
1871 /* init default structures */
1872 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1873 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1874 z_data.next_out = p_data;
1875 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1876 z_data.zalloc = (alloc_func)Z_NULL;
1877 z_data.zfree = (free_func)Z_NULL;
1878 z_data.opaque = (voidpf)Z_NULL;
1881 if( inflateInit( &z_data ) != Z_OK )
1883 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1889 i_result = inflate( &z_data, Z_NO_FLUSH );
1890 if( i_result != Z_OK && i_result != Z_STREAM_END )
1892 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1897 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1899 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1902 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1905 if( inflateEnd( &z_data ) != Z_OK )
1907 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1911 free( p_cmvd->data.p_cmvd->p_data );
1912 p_cmvd->data.p_cmvd->p_data = p_data;
1913 p_cmvd->data.p_cmvd->b_compressed = 0;
1915 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1917 /* now create a memory stream */
1919 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1920 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1922 /* and read uncompressd moov */
1923 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1925 stream_Delete( p_stream_memory );
1928 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1931 return p_box->data.p_cmov->p_moov ? 1 : 0;
1932 #endif /* HAVE_ZLIB_H */
1935 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1938 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1940 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1941 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1942 MP4_GET4BYTES( i_len );
1946 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1947 for( i = 0; i < i_len; i++ )
1949 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1951 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1955 p_box->data.p_rdrf->psz_ref = NULL;
1960 "read box: \"rdrf\" type:%4.4s ref %s",
1961 (char*)&p_box->data.p_rdrf->i_ref_type,
1962 p_box->data.p_rdrf->psz_ref );
1965 MP4_READBOX_EXIT( 1 );
1968 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1970 FREE( p_box->data.p_rdrf->psz_ref )
1974 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1976 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1978 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1980 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1984 "read box: \"rmdr\" rate:%d",
1985 p_box->data.p_rmdr->i_rate );
1987 MP4_READBOX_EXIT( 1 );
1990 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1992 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1994 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1998 "read box: \"rmqu\" quality:%d",
1999 p_box->data.p_rmqu->i_quality );
2001 MP4_READBOX_EXIT( 1 );
2004 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2006 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2007 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2009 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2010 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2011 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2012 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2016 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2017 (char*)&p_box->data.p_rmvc->i_gestaltType,
2018 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2019 p_box->data.p_rmvc->i_checkType );
2022 MP4_READBOX_EXIT( 1 );
2025 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2027 MP4_Box_t *p_drms_box = p_box;
2029 MP4_READBOX_ENTER( uint8_t );
2033 p_drms_box = p_drms_box->p_father;
2034 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2036 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2038 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2039 p_box->i_type, p_peek, i_read );
2046 case -1: psz_error = "unimplemented"; break;
2047 case -2: psz_error = "invalid argument"; break;
2048 case -3: psz_error = "could not get user key"; break;
2049 case -4: psz_error = "invalid user key"; break;
2050 default: psz_error = "unknown error"; break;
2053 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2054 (char *)&p_box->i_type, psz_error );
2056 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2057 p_drms_box->data.p_sample_soun->p_drms = NULL;
2061 MP4_READBOX_EXIT( 1 );
2064 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2066 int16_t i_length, i_dummy;
2068 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2070 p_box->data.p_0xa9xxx->psz_text = NULL;
2072 MP4_GET2BYTES( i_length );
2073 MP4_GET2BYTES( i_dummy );
2077 if( i_length > i_read ) i_length = i_read;
2079 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2081 memcpy( p_box->data.p_0xa9xxx->psz_text,
2083 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2087 "read box: \"%4.4s\" text=`%s'",
2088 (char*)&p_box->i_type,
2089 p_box->data.p_0xa9xxx->psz_text );
2093 MP4_READBOX_EXIT( 1 );
2095 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2097 FREE( p_box->data.p_0xa9xxx->psz_text );
2101 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2103 if( !p_box->p_father )
2107 if( p_box->p_father->i_type == FOURCC_stsd )
2109 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2112 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2113 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2117 switch( p_hdlr->data.p_hdlr->i_handler_type )
2120 return MP4_ReadBox_sample_soun( p_stream, p_box );
2122 return MP4_ReadBox_sample_vide( p_stream, p_box );
2124 return MP4_ReadBox_sample_text( p_stream, p_box );
2126 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2129 "unknown handler type in stsd (uncompletetly loaded)" );
2136 "unknown box type %4.4s (uncompletetly loaded)",
2137 (char*)&p_box->i_type );
2142 /**** ------------------------------------------------------------------- ****/
2143 /**** "Higher level" Functions ****/
2144 /**** ------------------------------------------------------------------- ****/
2149 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2150 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2151 } MP4_Box_Function [] =
2154 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2155 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2156 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2157 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2158 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2159 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2160 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2161 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2162 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2163 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2164 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2165 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2166 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2167 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2168 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2169 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2172 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2173 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2174 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2175 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2176 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2177 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2178 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2179 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2180 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2181 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2182 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2183 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2184 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2185 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2186 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2187 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2188 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2189 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2190 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2191 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2192 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2193 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2194 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2195 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2196 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2197 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2198 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2199 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2200 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2202 /* Nothing to do with this box */
2203 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2204 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2205 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2206 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2209 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2210 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2211 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2212 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2213 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2214 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2215 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2216 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2217 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2218 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2219 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2220 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2221 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2222 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2223 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2224 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2225 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2226 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2227 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2228 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2229 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2230 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2231 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2233 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2234 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2235 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2236 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2237 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2238 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2239 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2240 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2241 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2242 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2243 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2244 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2245 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2246 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2247 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2248 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2249 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2250 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2251 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2252 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2253 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2254 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2255 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2257 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2258 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2260 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2261 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2262 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2263 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2264 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2266 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2267 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2269 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2271 /* XXX there is 2 box where we could find this entry stbl and tref*/
2272 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2274 /* found in tref box */
2275 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2276 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2277 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2280 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2283 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2284 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2285 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2286 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2288 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2289 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2290 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2291 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2292 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2293 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2294 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2295 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2298 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2299 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2300 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2301 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2302 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2303 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2304 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2305 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2306 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2307 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2308 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2309 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2310 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2311 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2312 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2313 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2314 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2315 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2316 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2317 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2318 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2319 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2320 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2321 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2322 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2325 { 0, MP4_ReadBox_default, NULL }
2330 /*****************************************************************************
2331 * MP4_ReadBox : parse the actual box and the children
2332 * XXX : Do not go to the next box
2333 *****************************************************************************/
2334 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2336 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2337 unsigned int i_index;
2339 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2341 msg_Warn( p_stream, "cannot read one box" );
2345 if( !p_box->i_size )
2347 msg_Dbg( p_stream, "found an empty box (null size)" );
2351 p_box->p_father = p_father;
2353 /* Now search function to call */
2354 for( i_index = 0; ; i_index++ )
2356 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2357 ( MP4_Box_Function[i_index].i_type == 0 ) )
2363 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2372 /*****************************************************************************
2373 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2375 *****************************************************************************/
2376 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2378 unsigned int i_index;
2386 for( p_child = p_box->p_first; p_child != NULL; )
2390 p_next = p_child->p_next;
2391 MP4_BoxFree( s, p_child );
2395 /* Now search function to call */
2396 if( p_box->data.p_data )
2398 for( i_index = 0; ; i_index++ )
2400 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2401 ( MP4_Box_Function[i_index].i_type == 0 ) )
2406 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2408 /* Should not happen */
2410 "cannot free box %4.4s, type unknown",
2411 (char*)&p_box->i_type );
2415 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2418 free( p_box->data.p_data );
2424 /*****************************************************************************
2425 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2426 *****************************************************************************
2427 * The first box is a virtual box "root" and is the father for all first
2428 * level boxes for the file, a sort of virtual contener
2429 *****************************************************************************/
2430 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2436 p_root = malloc( sizeof( MP4_Box_t ) );
2438 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2439 p_root->i_shortsize = 1;
2440 p_root->i_size = stream_Size( s );
2441 CreateUUID( &p_root->i_uuid, p_root->i_type );
2443 p_root->data.p_data = NULL;
2444 p_root->p_father = NULL;
2445 p_root->p_first = NULL;
2446 p_root->p_last = NULL;
2447 p_root->p_next = NULL;
2451 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2459 /* check if there is a cmov, if so replace
2460 compressed moov by uncompressed one */
2461 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2462 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2463 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2464 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2466 /* rename the compressed moov as a box to skip */
2467 p_moov->i_type = FOURCC_skip;
2469 /* get uncompressed p_moov */
2470 p_moov = p_cmov->data.p_cmov->p_moov;
2471 p_cmov->data.p_cmov->p_moov = NULL;
2473 /* make p_root father of this new moov */
2474 p_moov->p_father = p_root;
2476 /* insert this new moov box as first child of p_root */
2477 p_moov->p_next = p_child = p_root->p_first;
2478 p_root->p_first = p_moov;
2486 static void __MP4_BoxDumpStructure( stream_t *s,
2487 MP4_Box_t *p_box, unsigned int i_level )
2493 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2494 (char*)&p_box->i_type );
2500 memset( str, (uint8_t)' ', 512 );
2501 for( i = 0; i < i_level; i++ )
2505 sprintf( str + i_level * 5, "+ %4.4s size %d",
2506 (char*)&p_box->i_type,
2507 (uint32_t)p_box->i_size );
2509 msg_Dbg( s, "%s", str );
2511 p_child = p_box->p_first;
2514 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2515 p_child = p_child->p_next;
2519 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2521 __MP4_BoxDumpStructure( s, p_box, 0 );
2526 /*****************************************************************************
2527 *****************************************************************************
2529 ** High level methods to acces an MP4 file
2531 *****************************************************************************
2532 *****************************************************************************/
2533 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2536 if( !*ppsz_path[0] )
2543 while( (*ppsz_path)[i_len] &&
2544 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2548 if( !i_len && **ppsz_path == '/' )
2552 *ppsz_token = malloc( i_len + 1 );
2554 memcpy( *ppsz_token, *ppsz_path, i_len );
2556 (*ppsz_token)[i_len] = '\0';
2558 *ppsz_path += i_len;
2560 if( **ppsz_path == '[' )
2563 *pi_number = strtol( *ppsz_path, NULL, 10 );
2564 while( **ppsz_path && **ppsz_path != ']' )
2568 if( **ppsz_path == ']' )
2577 while( **ppsz_path == '/' )
2583 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2584 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2594 vasprintf( &psz_path, psz_fmt, args );
2596 if( !psz_path || !psz_path[0] )
2603 // fprintf( stderr, "path:'%s'\n", psz_path );
2604 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2610 __get_token( &psz_path, &psz_token, &i_number );
2611 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2612 // psz_path,psz_token,i_number );
2621 if( !strcmp( psz_token, "/" ) )
2624 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2626 p_box = p_box->p_father;
2637 if( !strcmp( psz_token, "." ) )
2642 if( !strcmp( psz_token, ".." ) )
2644 p_box = p_box->p_father;
2654 if( strlen( psz_token ) == 4 )
2657 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2658 psz_token[2], psz_token[3] );
2659 p_box = p_box->p_first;
2669 if( p_box->i_type == i_fourcc )
2677 p_box = p_box->p_next;
2681 if( strlen( psz_token ) == 0 )
2683 p_box = p_box->p_first;
2698 p_box = p_box->p_next;
2703 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2714 /*****************************************************************************
2715 * MP4_BoxGet: find a box given a path relative to p_box
2716 *****************************************************************************
2717 * Path Format: . .. / as usual
2718 * [number] to specifie box number ex: trak[12]
2720 * ex: /moov/trak[12]
2722 *****************************************************************************/
2723 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2726 MP4_Box_t *p_result;
2728 va_start( args, psz_fmt );
2729 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2735 /*****************************************************************************
2736 * MP4_BoxCount: count box given a path relative to p_box
2737 *****************************************************************************
2738 * Path Format: . .. / as usual
2739 * [number] to specifie box number ex: trak[12]
2741 * ex: /moov/trak[12]
2743 *****************************************************************************/
2744 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2748 MP4_Box_t *p_result, *p_next;
2750 va_start( args, psz_fmt );
2751 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2759 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2761 if( p_next->i_type == p_result->i_type)