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( (char*)p_peek ), i_read )+1);\
71 memcpy( p_str, p_peek, __MIN( strlen( (char*)p_peek ), i_read ) ); \
72 p_str[__MIN( strlen( (char*)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 uint64_t i_read = p_box->i_size; \
84 uint8_t *p_peek, *p_buff; \
85 int i_actually_read; \
86 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
90 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
91 if( i_actually_read < 0 || (uint64_t)i_actually_read < i_read )\
96 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
97 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
98 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
104 #define MP4_READBOX_EXIT( i_code ) \
108 msg_Warn( p_stream, "Not enough data" ); \
114 * The input method HAVE to be seekable
118 static uint32_t Get24bBE( uint8_t *p )
120 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
123 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
125 memcpy( p_uuid, p_buff, 16 );
128 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
130 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
131 where XXXXXXXX is the fourcc */
132 /* FIXME implement this */
135 /* some functions for mp4 encoding of variables */
137 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
144 /* date begin at 1 jan 1904 */
145 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
147 i_day = i_date / ( 60*60*24);
148 i_hour = ( i_date /( 60*60 ) ) % 60;
149 i_min = ( i_date / 60 ) % 60;
151 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
154 /*****************************************************************************
156 *****************************************************************************/
157 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
160 /*****************************************************************************
161 * MP4_ReadBoxCommon : Load only common parameters for all boxes
162 *****************************************************************************
163 * p_box need to be an already allocated MP4_Box_t, and all data
164 * will only be peek not read
166 * RETURN : 0 if it fail, 1 otherwise
167 *****************************************************************************/
168 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
173 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
177 p_box->i_pos = stream_Tell( p_stream );
179 p_box->data.p_data = NULL;
180 p_box->p_father = NULL;
181 p_box->p_first = NULL;
182 p_box->p_last = NULL;
183 p_box->p_next = NULL;
185 MP4_GET4BYTES( p_box->i_shortsize );
186 MP4_GETFOURCC( p_box->i_type );
188 /* Now special case */
190 if( p_box->i_shortsize == 1 )
192 /* get the true size on 64 bits */
193 MP4_GET8BYTES( p_box->i_size );
197 p_box->i_size = p_box->i_shortsize;
198 /* XXX size of 0 means that the box extends to end of file */
201 if( p_box->i_type == FOURCC_uuid )
203 /* get extented type on 16 bytes */
204 GetUUID( &p_box->i_uuid, p_peek );
205 p_peek += 16; i_read -= 16;
209 CreateUUID( &p_box->i_uuid, p_box->i_type );
214 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
215 (char*)&p_box->i_type, p_box->i_size );
222 /*****************************************************************************
223 * MP4_NextBox : Go to the next box
224 *****************************************************************************
225 * if p_box == NULL, go to the next box in which we are( at the begining ).
226 *****************************************************************************/
227 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
233 MP4_ReadBoxCommon( p_stream, &box );
239 return 2; /* Box with infinite size */
242 if( p_box->p_father )
244 /* check if it's within p-father */
245 if( p_box->i_size + p_box->i_pos >=
246 p_box->p_father->i_size + p_box->p_father->i_pos )
248 msg_Dbg( p_stream, "out of bound child" );
249 return 0; /* out of bound */
252 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
260 /*****************************************************************************
261 * For all known box a loader is given,
262 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
263 * after called one of theses functions, file position is unknown
264 * you need to call MP4_GotoBox to go where you want
265 *****************************************************************************/
266 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
270 if( stream_Tell( p_stream ) + 8 >
271 (off_t)(p_container->i_pos + p_container->i_size) )
273 /* there is no box to load */
279 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
281 /* chain this box with the father and the other at same level */
282 if( !p_container->p_first ) p_container->p_first = p_box;
283 else p_container->p_last->p_next = p_box;
284 p_container->p_last = p_box;
286 } while( MP4_NextBox( p_stream, p_box ) == 1 );
291 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
293 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
295 /* container is empty, 8 stand for the first header in this box */
300 stream_Seek( p_stream, p_container->i_pos +
301 MP4_BOX_HEADERSIZE( p_container ) );
303 return MP4_ReadBoxContainerRaw( p_stream, p_container );
306 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
308 /* Up to now do nothing */
311 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
313 /* XXX sometime moov is hiden in a free box */
314 if( p_box->p_father &&
315 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
316 p_box->i_type == FOURCC_free )
322 i_read = stream_Peek( p_stream, &p_peek, 44 );
324 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
325 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
329 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
331 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
333 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
335 p_box->i_type = FOURCC_foov;
336 return MP4_ReadBoxContainer( p_stream, p_box );
343 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
348 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
350 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
352 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
353 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
355 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
358 p_box->data.p_ftyp->i_compatible_brands =
359 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
361 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
363 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
368 p_box->data.p_ftyp->i_compatible_brands = NULL;
371 MP4_READBOX_EXIT( 1 );
374 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
376 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
380 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
384 char s_creation_time[128];
385 char s_modification_time[128];
386 char s_duration[128];
388 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
390 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
392 if( p_box->data.p_mvhd->i_version )
394 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
395 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
396 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
397 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
401 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
402 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
404 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
406 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
407 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
408 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
411 for( i = 0; i < 2; i++ )
413 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
415 for( i = 0; i < 9; i++ )
417 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
419 for( i = 0; i < 6; i++ )
421 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
424 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
428 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
429 MP4_ConvertDate2Str( s_modification_time,
430 p_box->data.p_mvhd->i_modification_time );
431 if( p_box->data.p_mvhd->i_rate )
433 MP4_ConvertDate2Str( s_duration,
434 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
440 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
443 (uint32_t)p_box->data.p_mvhd->i_timescale,
445 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
446 (float)p_box->data.p_mvhd->i_volume / 256 ,
447 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
449 MP4_READBOX_EXIT( 1 );
452 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
456 char s_creation_time[128];
457 char s_modification_time[128];
458 char s_duration[128];
460 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
462 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
464 if( p_box->data.p_tkhd->i_version )
466 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
467 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
468 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
469 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
470 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
475 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
478 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
481 for( i = 0; i < 2; i++ )
483 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
485 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
486 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
487 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
488 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
490 for( i = 0; i < 9; i++ )
492 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
495 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
498 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
499 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
500 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
502 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
506 p_box->data.p_tkhd->i_track_ID,
507 p_box->data.p_tkhd->i_layer,
508 (float)p_box->data.p_tkhd->i_volume / 256 ,
509 (float)p_box->data.p_tkhd->i_width / 65536,
510 (float)p_box->data.p_tkhd->i_height / 65536 );
512 MP4_READBOX_EXIT( 1 );
516 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
521 char s_creation_time[128];
522 char s_modification_time[128];
523 char s_duration[128];
525 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
527 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
529 if( p_box->data.p_mdhd->i_version )
531 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
532 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
533 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
534 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
538 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
539 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
540 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
541 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
543 i_language = GetWBE( p_peek );
544 for( i = 0; i < 3; i++ )
546 p_box->data.p_mdhd->i_language[i] =
547 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
550 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
553 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
554 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
555 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
556 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
559 (uint32_t)p_box->data.p_mdhd->i_timescale,
561 p_box->data.p_mdhd->i_language[0],
562 p_box->data.p_mdhd->i_language[1],
563 p_box->data.p_mdhd->i_language[2] );
565 MP4_READBOX_EXIT( 1 );
569 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
573 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
575 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
577 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
578 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
580 MP4_GET4BYTES( i_reserved );
581 MP4_GET4BYTES( i_reserved );
582 MP4_GET4BYTES( i_reserved );
583 p_box->data.p_hdlr->psz_name = NULL;
587 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
589 /* Yes, I love .mp4 :( */
590 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
595 MP4_GET1BYTE( i_len );
596 i_copy = __MIN( i_read, i_len );
598 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
599 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
603 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
604 p_box->data.p_hdlr->psz_name[i_read] = '\0';
609 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
610 (char*)&p_box->data.p_hdlr->i_handler_type,
611 p_box->data.p_hdlr->psz_name );
614 MP4_READBOX_EXIT( 1 );
617 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
619 FREENULL( p_box->data.p_hdlr->psz_name );
622 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
626 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
628 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
630 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
631 for( i = 0; i < 3; i++ )
633 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
637 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
638 p_box->data.p_vmhd->i_graphics_mode,
639 p_box->data.p_vmhd->i_opcolor[0],
640 p_box->data.p_vmhd->i_opcolor[1],
641 p_box->data.p_vmhd->i_opcolor[2] );
643 MP4_READBOX_EXIT( 1 );
646 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
648 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
650 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
654 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
656 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
659 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
660 (float)p_box->data.p_smhd->i_balance / 256 );
662 MP4_READBOX_EXIT( 1 );
666 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
668 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
670 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
672 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
673 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
675 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
676 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
678 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
681 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
682 p_box->data.p_hmhd->i_max_PDU_size,
683 p_box->data.p_hmhd->i_avg_PDU_size,
684 p_box->data.p_hmhd->i_max_bitrate,
685 p_box->data.p_hmhd->i_avg_bitrate );
687 MP4_READBOX_EXIT( 1 );
690 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
692 MP4_READBOX_ENTER( MP4_Box_data_url_t );
694 MP4_GETVERSIONFLAGS( p_box->data.p_url );
695 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
698 msg_Dbg( p_stream, "read box: \"url\" url: %s",
699 p_box->data.p_url->psz_location );
702 MP4_READBOX_EXIT( 1 );
706 static void MP4_FreeBox_url( MP4_Box_t *p_box )
708 FREENULL( p_box->data.p_url->psz_location )
711 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
713 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
715 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
717 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
718 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
721 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
722 p_box->data.p_urn->psz_name,
723 p_box->data.p_urn->psz_location );
725 MP4_READBOX_EXIT( 1 );
727 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
729 FREENULL( p_box->data.p_urn->psz_name );
730 FREENULL( p_box->data.p_urn->psz_location );
734 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
736 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
738 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
740 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
742 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
743 MP4_ReadBoxContainerRaw( p_stream, p_box );
746 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
747 p_box->data.p_dref->i_entry_count );
750 MP4_READBOX_EXIT( 1 );
754 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
757 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
759 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
760 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
762 p_box->data.p_stts->i_sample_count =
763 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
764 p_box->data.p_stts->i_sample_delta =
765 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
767 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
769 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
770 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
774 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
775 p_box->data.p_stts->i_entry_count );
778 MP4_READBOX_EXIT( 1 );
781 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
783 FREENULL( p_box->data.p_stts->i_sample_count );
784 FREENULL( p_box->data.p_stts->i_sample_delta );
787 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
790 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
792 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
794 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
796 p_box->data.p_ctts->i_sample_count =
797 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
798 p_box->data.p_ctts->i_sample_offset =
799 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
801 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
803 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
804 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
808 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
809 p_box->data.p_ctts->i_entry_count );
812 MP4_READBOX_EXIT( 1 );
815 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
817 FREENULL( p_box->data.p_ctts->i_sample_count );
818 FREENULL( p_box->data.p_ctts->i_sample_offset );
821 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, uint64_t *i_read )
824 unsigned int i_len = 0;
831 i_len = ( i_len << 7 ) + ( i_b&0x7f );
836 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
838 #define es_descriptor p_box->data.p_esds->es_descriptor
840 unsigned int i_flags;
843 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
845 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
848 MP4_GET1BYTE( i_type );
849 if( i_type == 0x03 ) /* MP4ESDescrTag */
851 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
854 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
858 MP4_GET2BYTES( es_descriptor.i_ES_ID );
859 MP4_GET1BYTE( i_flags );
860 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
861 es_descriptor.b_url = ( (i_flags&0x40) != 0);
862 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
864 es_descriptor.i_stream_priority = i_flags&0x1f;
865 if( es_descriptor.b_stream_dependence )
867 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
869 if( es_descriptor.b_url )
873 MP4_GET1BYTE( i_len );
874 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
875 memcpy( es_descriptor.psz_URL, p_peek, i_len );
876 es_descriptor.psz_URL[i_len] = 0;
882 es_descriptor.psz_URL = NULL;
884 if( es_descriptor.b_OCRstream )
886 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
888 MP4_GET1BYTE( i_type ); /* get next type */
891 if( i_type != 0x04)/* MP4DecConfigDescrTag */
893 es_descriptor.p_decConfigDescr = NULL;
894 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
897 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
900 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
904 es_descriptor.p_decConfigDescr =
905 malloc( sizeof( MP4_descriptor_decoder_config_t ));
907 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
908 MP4_GET1BYTE( i_flags );
909 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
910 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
911 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
912 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
913 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
914 MP4_GET1BYTE( i_type );
915 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
917 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
918 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
919 MP4_READBOX_EXIT( 1 );
922 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
925 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
929 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
930 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
931 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
934 MP4_READBOX_EXIT( 1 );
939 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
941 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
942 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
944 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
946 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
949 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
951 MP4_Box_data_avcC_t *p_avcC;
954 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
955 p_avcC = p_box->data.p_avcC;
957 p_avcC->i_avcC = i_read;
958 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
959 memcpy( p_avcC->p_avcC, p_peek, i_read );
961 MP4_GET1BYTE( p_avcC->i_version );
962 MP4_GET1BYTE( p_avcC->i_profile );
963 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
964 MP4_GET1BYTE( p_avcC->i_level );
965 MP4_GET1BYTE( p_avcC->i_reserved1 );
966 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
967 p_avcC->i_reserved1 >>= 2;
969 MP4_GET1BYTE( p_avcC->i_reserved2 );
970 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
971 p_avcC->i_reserved2 >>= 5;
973 if( p_avcC->i_sps > 0 )
975 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
976 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
978 for( i = 0; i < p_avcC->i_sps; i++ )
980 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
981 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
982 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
984 p_peek += p_avcC->i_sps_length[i];
985 i_read -= p_avcC->i_sps_length[i];
989 MP4_GET1BYTE( p_avcC->i_pps );
990 if( p_avcC->i_pps > 0 )
992 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
993 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
995 for( i = 0; i < p_avcC->i_pps; i++ )
997 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
998 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
999 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1001 p_peek += p_avcC->i_pps_length[i];
1002 i_read -= p_avcC->i_pps_length[i];
1007 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1008 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1009 p_avcC->i_length_size,
1010 p_avcC->i_sps, p_avcC->i_pps );
1011 for( i = 0; i < p_avcC->i_sps; i++ )
1013 msg_Dbg( p_stream, " - sps[%d] length=%d",
1014 i, p_avcC->i_sps_length[i] );
1016 for( i = 0; i < p_avcC->i_pps; i++ )
1018 msg_Dbg( p_stream, " - pps[%d] length=%d",
1019 i, p_avcC->i_pps_length[i] );
1023 MP4_READBOX_EXIT( 1 );
1026 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1028 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1031 for( i = 0; i < p_avcC->i_sps; i++ )
1033 FREENULL( p_avcC->sps[i] );
1035 for( i = 0; i < p_avcC->i_pps; i++ )
1037 FREENULL( p_avcC->pps[i] );
1039 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1040 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1043 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1047 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1048 p_box->data.p_sample_soun->p_qt_description = NULL;
1050 /* Sanity check needed because the "wave" box does also contain an
1051 * "mp4a" box that we don't understand. */
1055 MP4_READBOX_EXIT( 1 );
1058 for( i = 0; i < 6 ; i++ )
1060 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1063 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1066 * XXX hack -> produce a copy of the nearly complete chunk
1070 p_box->data.p_sample_soun->i_qt_description = i_read;
1071 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1072 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1076 p_box->data.p_sample_soun->i_qt_description = 0;
1077 p_box->data.p_sample_soun->p_qt_description = NULL;
1080 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1081 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1082 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1084 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1085 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1086 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1091 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1093 /* SoundDescriptionV1 */
1094 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1095 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1096 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1097 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1101 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1102 "bytes/frame=%d bytes/sample=%d",
1103 p_box->data.p_sample_soun->i_sample_per_packet,
1104 p_box->data.p_sample_soun->i_bytes_per_packet,
1105 p_box->data.p_sample_soun->i_bytes_per_frame,
1106 p_box->data.p_sample_soun->i_bytes_per_sample );
1108 stream_Seek( p_stream, p_box->i_pos +
1109 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1111 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1113 /* SoundDescriptionV2 */
1114 double f_sample_rate;
1117 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1118 MP4_GET8BYTES( (*(int64_t *)&f_sample_rate) );
1120 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1121 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1122 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1124 MP4_GET4BYTES( i_channel );
1125 p_box->data.p_sample_soun->i_channelcount = i_channel;
1128 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1130 stream_Seek( p_stream, p_box->i_pos +
1131 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1135 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1136 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1137 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1138 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1140 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1142 stream_Seek( p_stream, p_box->i_pos +
1143 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1146 if( p_box->i_type == FOURCC_drms )
1148 p_box->data.p_sample_soun->p_drms =
1149 drms_alloc( p_stream->p_vlc->psz_homedir );
1151 if( p_box->data.p_sample_soun->p_drms == NULL )
1153 msg_Err( p_stream, "drms_alloc() failed" );
1157 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1159 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1160 p_box->data.p_sample_soun->i_channelcount = 1;
1163 if( p_box->i_type == FOURCC_alac )
1165 if( p_box->data.p_sample_soun->p_qt_description )
1166 free( p_box->data.p_sample_soun->p_qt_description );
1168 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1169 p_box->data.p_sample_soun->i_qt_description = i_read;
1170 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1174 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1178 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1179 "sample size %d sample rate %f",
1180 p_box->data.p_sample_soun->i_channelcount,
1181 p_box->data.p_sample_soun->i_samplesize,
1182 (float)p_box->data.p_sample_soun->i_sampleratehi +
1183 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1186 MP4_READBOX_EXIT( 1 );
1190 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1192 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1194 if( p_box->i_type == FOURCC_drms )
1196 if( p_box->data.p_sample_soun->p_drms )
1198 drms_free( p_box->data.p_sample_soun->p_drms );
1204 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1208 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1210 for( i = 0; i < 6 ; i++ )
1212 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1215 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1218 * XXX hack -> produce a copy of the nearly complete chunk
1222 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1223 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1224 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1229 p_box->data.p_sample_vide->i_qt_image_description = 0;
1230 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1233 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1234 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1235 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1237 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1238 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1241 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1244 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1246 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1247 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1249 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1250 p_peek += 32; i_read -= 32;
1252 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1253 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1255 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1256 MP4_ReadBoxContainerRaw( p_stream, p_box );
1259 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1260 p_box->data.p_sample_vide->i_width,
1261 p_box->data.p_sample_vide->i_height,
1262 p_box->data.p_sample_vide->i_depth );
1265 MP4_READBOX_EXIT( 1 );
1269 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1271 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1274 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1276 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1277 MP4_ReadBoxContainerRaw( p_stream, p_box );
1281 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1285 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1287 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1288 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1290 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1292 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1297 /* FIXME search right signification */
1299 p_box->data.p_sample_text->i_justification_horizontal = 1;
1300 p_box->data.p_sample_text->i_justification_vertical = 1;
1302 case -1: // Flush Right
1303 p_box->data.p_sample_text->i_justification_horizontal = -1;
1304 p_box->data.p_sample_text->i_justification_vertical = -1;
1306 case -2: // Flush Left
1307 p_box->data.p_sample_text->i_justification_horizontal = 0;
1308 p_box->data.p_sample_text->i_justification_vertical = 0;
1310 case 0: // Flush Default
1312 p_box->data.p_sample_text->i_justification_horizontal = 1;
1313 p_box->data.p_sample_text->i_justification_vertical = -1;
1317 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1318 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1319 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1320 p_box->data.p_sample_text->i_background_color[3] = 0;
1322 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1323 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1324 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1325 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1328 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1330 MP4_READBOX_EXIT( 1 );
1333 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1335 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1337 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1338 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1340 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1342 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1344 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1345 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1347 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1348 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1349 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1350 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1352 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1353 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1354 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1355 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1358 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1360 MP4_READBOX_EXIT( 1 );
1365 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1366 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1368 FREENULL( p_box->data.p_sample_text->psz_text_name );
1373 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1376 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1378 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1380 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1382 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1384 MP4_ReadBoxContainerRaw( p_stream, p_box );
1387 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1388 p_box->data.p_stsd->i_entry_count );
1391 MP4_READBOX_EXIT( 1 );
1395 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1399 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1401 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1403 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1405 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1407 p_box->data.p_stsz->i_entry_size =
1408 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1410 if( !p_box->data.p_stsz->i_sample_size )
1412 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1414 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1419 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1420 p_box->data.p_stsz->i_sample_size,
1421 p_box->data.p_stsz->i_sample_count );
1424 MP4_READBOX_EXIT( 1 );
1427 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1429 FREENULL( p_box->data.p_stsz->i_entry_size );
1432 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1436 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1438 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1440 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1442 p_box->data.p_stsc->i_first_chunk =
1443 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1444 p_box->data.p_stsc->i_samples_per_chunk =
1445 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1446 p_box->data.p_stsc->i_sample_description_index =
1447 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1449 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1451 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1452 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1453 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1457 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1458 p_box->data.p_stsc->i_entry_count );
1461 MP4_READBOX_EXIT( 1 );
1464 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1466 FREENULL( p_box->data.p_stsc->i_first_chunk );
1467 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1468 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1471 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1475 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1477 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1479 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1481 p_box->data.p_co64->i_chunk_offset =
1482 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1484 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1486 if( p_box->i_type == FOURCC_stco )
1492 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1500 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1505 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1506 p_box->data.p_co64->i_entry_count );
1509 MP4_READBOX_EXIT( 1 );
1512 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1514 FREENULL( p_box->data.p_co64->i_chunk_offset );
1517 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1521 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1523 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1525 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1527 p_box->data.p_stss->i_sample_number =
1528 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1530 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1533 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1534 /* XXX in libmp4 sample begin at 0 */
1535 p_box->data.p_stss->i_sample_number[i]--;
1539 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1540 p_box->data.p_stss->i_entry_count );
1543 MP4_READBOX_EXIT( 1 );
1546 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1548 FREENULL( p_box->data.p_stss->i_sample_number )
1551 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1555 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1557 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1560 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1562 p_box->data.p_stsh->i_shadowed_sample_number =
1563 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1565 p_box->data.p_stsh->i_sync_sample_number =
1566 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1569 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1572 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1573 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1577 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1578 p_box->data.p_stsh->i_entry_count );
1580 MP4_READBOX_EXIT( 1 );
1583 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1585 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1586 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1590 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1594 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1596 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1598 p_box->data.p_stdp->i_priority =
1599 calloc( sizeof( uint16_t ), i_read / 2 );
1601 for( i = 0; i < i_read / 2 ; i++ )
1604 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1608 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1612 MP4_READBOX_EXIT( 1 );
1615 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1617 FREENULL( p_box->data.p_stdp->i_priority )
1620 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1624 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1626 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1629 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1631 p_box->data.p_padb->i_reserved1 =
1632 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1633 p_box->data.p_padb->i_pad2 =
1634 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1635 p_box->data.p_padb->i_reserved2 =
1636 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1637 p_box->data.p_padb->i_pad1 =
1638 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1641 for( i = 0; i < i_read / 2 ; i++ )
1643 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1644 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1645 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1646 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1648 p_peek += 1; i_read -= 1;
1652 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1656 MP4_READBOX_EXIT( 1 );
1659 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1661 FREENULL( p_box->data.p_padb->i_reserved1 );
1662 FREENULL( p_box->data.p_padb->i_pad2 );
1663 FREENULL( p_box->data.p_padb->i_reserved2 );
1664 FREENULL( p_box->data.p_padb->i_pad1 );
1667 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1671 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1673 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1676 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1678 p_box->data.p_elst->i_segment_duration =
1679 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1680 p_box->data.p_elst->i_media_time =
1681 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1682 p_box->data.p_elst->i_media_rate_integer =
1683 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1684 p_box->data.p_elst->i_media_rate_fraction=
1685 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1688 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1690 if( p_box->data.p_elst->i_version == 1 )
1693 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1695 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1700 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1702 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1703 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1706 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1707 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1711 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1715 MP4_READBOX_EXIT( 1 );
1718 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1720 FREENULL( p_box->data.p_elst->i_segment_duration );
1721 FREENULL( p_box->data.p_elst->i_media_time );
1722 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1723 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1726 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1728 unsigned int i_language;
1731 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1733 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1735 i_language = GetWBE( p_peek );
1736 for( i = 0; i < 3; i++ )
1738 p_box->data.p_cprt->i_language[i] =
1739 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1741 p_peek += 2; i_read -= 2;
1742 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1745 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1746 p_box->data.p_cprt->i_language[0],
1747 p_box->data.p_cprt->i_language[1],
1748 p_box->data.p_cprt->i_language[2],
1749 p_box->data.p_cprt->psz_notice );
1752 MP4_READBOX_EXIT( 1 );
1755 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1757 FREENULL( p_box->data.p_cprt->psz_notice );
1761 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1763 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1765 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1768 "read box: \"dcom\" compression algorithm : %4.4s",
1769 (char*)&p_box->data.p_dcom->i_algorithm );
1771 MP4_READBOX_EXIT( 1 );
1774 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1776 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1778 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1780 p_box->data.p_cmvd->i_compressed_size = i_read;
1782 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1784 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1788 /* now copy compressed data */
1789 memcpy( p_box->data.p_cmvd->p_data,
1793 p_box->data.p_cmvd->b_compressed = 1;
1796 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1797 p_box->data.p_cmvd->i_compressed_size );
1800 MP4_READBOX_EXIT( 1 );
1802 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1804 FREENULL( p_box->data.p_cmvd->p_data );
1808 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1814 stream_t *p_stream_memory;
1820 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1822 msg_Err( p_stream, "out of memory" );
1825 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1827 if( !p_box->p_father ||
1828 ( p_box->p_father->i_type != FOURCC_moov &&
1829 p_box->p_father->i_type != FOURCC_foov ) )
1831 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1835 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1840 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1841 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1842 p_cmvd->data.p_cmvd->p_data == NULL )
1844 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1848 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1850 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1851 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1856 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1860 /* decompress data */
1861 /* allocate a new buffer */
1862 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1864 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1865 "uncompress data" );
1868 /* init default structures */
1869 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1870 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1871 z_data.next_out = p_data;
1872 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1873 z_data.zalloc = (alloc_func)Z_NULL;
1874 z_data.zfree = (free_func)Z_NULL;
1875 z_data.opaque = (voidpf)Z_NULL;
1878 if( inflateInit( &z_data ) != Z_OK )
1880 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1886 i_result = inflate( &z_data, Z_NO_FLUSH );
1887 if( i_result != Z_OK && i_result != Z_STREAM_END )
1889 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1894 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1896 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1899 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1902 if( inflateEnd( &z_data ) != Z_OK )
1904 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1908 free( p_cmvd->data.p_cmvd->p_data );
1909 p_cmvd->data.p_cmvd->p_data = p_data;
1910 p_cmvd->data.p_cmvd->b_compressed = 0;
1912 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1914 /* now create a memory stream */
1916 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1917 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1919 /* and read uncompressd moov */
1920 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1922 stream_Delete( p_stream_memory );
1925 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1928 return p_box->data.p_cmov->p_moov ? 1 : 0;
1929 #endif /* HAVE_ZLIB_H */
1932 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1935 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1937 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1938 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1939 MP4_GET4BYTES( i_len );
1943 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1944 for( i = 0; i < i_len; i++ )
1946 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1948 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1952 p_box->data.p_rdrf->psz_ref = NULL;
1957 "read box: \"rdrf\" type:%4.4s ref %s",
1958 (char*)&p_box->data.p_rdrf->i_ref_type,
1959 p_box->data.p_rdrf->psz_ref );
1962 MP4_READBOX_EXIT( 1 );
1965 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1967 FREENULL( p_box->data.p_rdrf->psz_ref )
1971 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1973 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1975 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1977 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1981 "read box: \"rmdr\" rate:%d",
1982 p_box->data.p_rmdr->i_rate );
1984 MP4_READBOX_EXIT( 1 );
1987 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1989 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1991 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1995 "read box: \"rmqu\" quality:%d",
1996 p_box->data.p_rmqu->i_quality );
1998 MP4_READBOX_EXIT( 1 );
2001 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2003 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2004 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2006 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2007 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2008 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2009 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2013 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2014 (char*)&p_box->data.p_rmvc->i_gestaltType,
2015 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2016 p_box->data.p_rmvc->i_checkType );
2019 MP4_READBOX_EXIT( 1 );
2022 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2024 MP4_Box_t *p_drms_box = p_box;
2026 MP4_READBOX_ENTER( uint8_t );
2030 p_drms_box = p_drms_box->p_father;
2031 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2033 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2036 if( config_GetInt( p_stream, "france" ) )
2042 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2043 p_box->i_type, p_peek, i_read );
2051 case -1: psz_error = "unimplemented"; break;
2052 case -2: psz_error = "invalid argument"; break;
2053 case -3: psz_error = "could not get system key"; break;
2054 case -4: psz_error = "could not get SCI data"; break;
2055 case -5: psz_error = "no user key found in SCI data"; break;
2056 case -6: psz_error = "invalid user key"; break;
2057 case -7: psz_error = "you live in France"; break;
2058 default: psz_error = "unknown error"; break;
2061 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2062 (char *)&p_box->i_type, psz_error );
2064 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2065 p_drms_box->data.p_sample_soun->p_drms = NULL;
2069 MP4_READBOX_EXIT( 1 );
2072 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2074 uint16_t i_length, i_dummy;
2076 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2078 p_box->data.p_0xa9xxx->psz_text = NULL;
2080 MP4_GET2BYTES( i_length );
2081 MP4_GET2BYTES( i_dummy );
2085 if( i_length > i_read ) i_length = i_read;
2087 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2089 memcpy( p_box->data.p_0xa9xxx->psz_text,
2091 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2095 "read box: \"%4.4s\" text=`%s'",
2096 (char*)&p_box->i_type,
2097 p_box->data.p_0xa9xxx->psz_text );
2101 MP4_READBOX_EXIT( 1 );
2103 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2105 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2109 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2111 if( !p_box->p_father )
2115 if( p_box->p_father->i_type == FOURCC_stsd )
2117 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2120 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2121 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2125 switch( p_hdlr->data.p_hdlr->i_handler_type )
2128 return MP4_ReadBox_sample_soun( p_stream, p_box );
2130 return MP4_ReadBox_sample_vide( p_stream, p_box );
2132 return MP4_ReadBox_sample_text( p_stream, p_box );
2134 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2137 "unknown handler type in stsd (uncompletetly loaded)" );
2144 "unknown box type %4.4s (uncompletetly loaded)",
2145 (char*)&p_box->i_type );
2150 /**** ------------------------------------------------------------------- ****/
2151 /**** "Higher level" Functions ****/
2152 /**** ------------------------------------------------------------------- ****/
2157 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2158 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2159 } MP4_Box_Function [] =
2162 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2163 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2164 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2165 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2166 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2167 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2168 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2169 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2170 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2171 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2172 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2173 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2174 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2175 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2176 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2177 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2180 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2181 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2182 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2183 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2184 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2185 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2186 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2187 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2188 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2189 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2190 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2191 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2192 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2193 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2194 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2195 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2196 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2197 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2198 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2199 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2200 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2201 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2202 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2203 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2204 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2205 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2206 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2207 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2208 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2210 /* Nothing to do with this box */
2211 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2212 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2213 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2214 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2217 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2218 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2219 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2220 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2221 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2222 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2223 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2224 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2225 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2226 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2227 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2228 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2229 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2230 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2231 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2232 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2233 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2234 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2235 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2236 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2237 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2238 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2239 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2241 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2242 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2243 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2244 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2245 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2246 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2247 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2248 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2249 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2250 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2251 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2252 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2253 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2254 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2255 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2256 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2257 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2258 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2259 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2260 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2261 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2262 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2263 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2265 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2266 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2268 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2269 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2270 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2271 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2272 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2274 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2275 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2277 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2279 /* XXX there is 2 box where we could find this entry stbl and tref*/
2280 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2282 /* found in tref box */
2283 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2284 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2285 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2288 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2291 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2292 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2293 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2294 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2296 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2297 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2298 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2299 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2300 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2301 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2302 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2303 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2306 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2307 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2308 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2309 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2310 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2311 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2312 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2313 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2314 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2315 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2316 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2317 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2318 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2319 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2320 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2321 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2322 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2323 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2324 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2325 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2326 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2327 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2328 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2329 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2330 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2333 { 0, MP4_ReadBox_default, NULL }
2338 /*****************************************************************************
2339 * MP4_ReadBox : parse the actual box and the children
2340 * XXX : Do not go to the next box
2341 *****************************************************************************/
2342 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2344 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2345 unsigned int i_index;
2347 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2349 msg_Warn( p_stream, "cannot read one box" );
2353 if( !p_box->i_size )
2355 msg_Dbg( p_stream, "found an empty box (null size)" );
2359 p_box->p_father = p_father;
2361 /* Now search function to call */
2362 for( i_index = 0; ; i_index++ )
2364 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2365 ( MP4_Box_Function[i_index].i_type == 0 ) )
2371 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2380 /*****************************************************************************
2381 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2383 *****************************************************************************/
2384 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2386 unsigned int i_index;
2394 for( p_child = p_box->p_first; p_child != NULL; )
2398 p_next = p_child->p_next;
2399 MP4_BoxFree( s, p_child );
2403 /* Now search function to call */
2404 if( p_box->data.p_data )
2406 for( i_index = 0; ; i_index++ )
2408 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2409 ( MP4_Box_Function[i_index].i_type == 0 ) )
2414 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2416 /* Should not happen */
2418 "cannot free box %4.4s, type unknown",
2419 (char*)&p_box->i_type );
2423 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2426 free( p_box->data.p_data );
2432 /*****************************************************************************
2433 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2434 *****************************************************************************
2435 * The first box is a virtual box "root" and is the father for all first
2436 * level boxes for the file, a sort of virtual contener
2437 *****************************************************************************/
2438 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2444 p_root = malloc( sizeof( MP4_Box_t ) );
2446 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2447 p_root->i_shortsize = 1;
2448 p_root->i_size = stream_Size( s );
2449 CreateUUID( &p_root->i_uuid, p_root->i_type );
2451 p_root->data.p_data = NULL;
2452 p_root->p_father = NULL;
2453 p_root->p_first = NULL;
2454 p_root->p_last = NULL;
2455 p_root->p_next = NULL;
2459 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2467 /* check if there is a cmov, if so replace
2468 compressed moov by uncompressed one */
2469 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2470 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2471 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2472 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2474 /* rename the compressed moov as a box to skip */
2475 p_moov->i_type = FOURCC_skip;
2477 /* get uncompressed p_moov */
2478 p_moov = p_cmov->data.p_cmov->p_moov;
2479 p_cmov->data.p_cmov->p_moov = NULL;
2481 /* make p_root father of this new moov */
2482 p_moov->p_father = p_root;
2484 /* insert this new moov box as first child of p_root */
2485 p_moov->p_next = p_child = p_root->p_first;
2486 p_root->p_first = p_moov;
2494 static void __MP4_BoxDumpStructure( stream_t *s,
2495 MP4_Box_t *p_box, unsigned int i_level )
2501 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2502 (char*)&p_box->i_type );
2508 memset( str, (uint8_t)' ', 512 );
2509 for( i = 0; i < i_level; i++ )
2513 sprintf( str + i_level * 5, "+ %4.4s size %d",
2514 (char*)&p_box->i_type,
2515 (uint32_t)p_box->i_size );
2517 msg_Dbg( s, "%s", str );
2519 p_child = p_box->p_first;
2522 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2523 p_child = p_child->p_next;
2527 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2529 __MP4_BoxDumpStructure( s, p_box, 0 );
2534 /*****************************************************************************
2535 *****************************************************************************
2537 ** High level methods to acces an MP4 file
2539 *****************************************************************************
2540 *****************************************************************************/
2541 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2544 if( !*ppsz_path[0] )
2551 while( (*ppsz_path)[i_len] &&
2552 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2556 if( !i_len && **ppsz_path == '/' )
2560 *ppsz_token = malloc( i_len + 1 );
2562 memcpy( *ppsz_token, *ppsz_path, i_len );
2564 (*ppsz_token)[i_len] = '\0';
2566 *ppsz_path += i_len;
2568 if( **ppsz_path == '[' )
2571 *pi_number = strtol( *ppsz_path, NULL, 10 );
2572 while( **ppsz_path && **ppsz_path != ']' )
2576 if( **ppsz_path == ']' )
2585 while( **ppsz_path == '/' )
2591 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2592 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2602 vasprintf( &psz_path, psz_fmt, args );
2604 if( !psz_path || !psz_path[0] )
2606 FREENULL( psz_path );
2611 // fprintf( stderr, "path:'%s'\n", psz_path );
2612 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2618 __get_token( &psz_path, &psz_token, &i_number );
2619 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2620 // psz_path,psz_token,i_number );
2623 FREENULL( psz_token );
2629 if( !strcmp( psz_token, "/" ) )
2632 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2634 p_box = p_box->p_father;
2645 if( !strcmp( psz_token, "." ) )
2650 if( !strcmp( psz_token, ".." ) )
2652 p_box = p_box->p_father;
2662 if( strlen( psz_token ) == 4 )
2665 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2666 psz_token[2], psz_token[3] );
2667 p_box = p_box->p_first;
2677 if( p_box->i_type == i_fourcc )
2685 p_box = p_box->p_next;
2689 if( strlen( psz_token ) == 0 )
2691 p_box = p_box->p_first;
2706 p_box = p_box->p_next;
2711 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2712 FREENULL( psz_token );
2722 /*****************************************************************************
2723 * MP4_BoxGet: find a box given a path relative to p_box
2724 *****************************************************************************
2725 * Path Format: . .. / as usual
2726 * [number] to specifie box number ex: trak[12]
2728 * ex: /moov/trak[12]
2730 *****************************************************************************/
2731 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2734 MP4_Box_t *p_result;
2736 va_start( args, psz_fmt );
2737 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2743 /*****************************************************************************
2744 * MP4_BoxCount: count box given a path relative to p_box
2745 *****************************************************************************
2746 * Path Format: . .. / as usual
2747 * [number] to specifie box number ex: trak[12]
2749 * ex: /moov/trak[12]
2751 *****************************************************************************/
2752 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2756 MP4_Box_t *p_result, *p_next;
2758 va_start( args, psz_fmt );
2759 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2767 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2769 if( p_next->i_type == p_result->i_type)