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 msg_Dbg( p_stream, "1 read box soun: p_qt_description for alac "I64Fd, i_read);
1146 stream_Seek( p_stream, p_box->i_pos +
1147 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1150 if( p_box->i_type == FOURCC_drms )
1152 p_box->data.p_sample_soun->p_drms =
1153 drms_alloc( p_stream->p_vlc->psz_homedir );
1155 if( p_box->data.p_sample_soun->p_drms == NULL )
1157 msg_Err( p_stream, "drms_alloc() failed" );
1161 msg_Dbg( p_stream, "2 read box soun: p_qt_description for alac "I64Fd, i_read);
1162 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1164 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1165 p_box->data.p_sample_soun->i_channelcount = 1;
1168 msg_Dbg( p_stream, "3 read box soun: p_qt_description for alac "I64Fd, i_read);
1169 if( p_box->i_type == FOURCC_alac )
1171 if( p_box->data.p_sample_soun->p_qt_description )
1172 free( p_box->data.p_sample_soun->p_qt_description );
1173 msg_Dbg( p_stream, "4 read box soun: p_qt_description for alac "I64Fd, i_read);
1174 p_box->data.p_sample_soun->p_qt_description = malloc( 36 );
1175 p_box->data.p_sample_soun->i_qt_description = 36;
1176 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, 36 );
1180 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1184 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1185 "sample size %d sample rate %f",
1186 p_box->data.p_sample_soun->i_channelcount,
1187 p_box->data.p_sample_soun->i_samplesize,
1188 (float)p_box->data.p_sample_soun->i_sampleratehi +
1189 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1192 MP4_READBOX_EXIT( 1 );
1196 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1198 FREE( p_box->data.p_sample_soun->p_qt_description );
1200 if( p_box->i_type == FOURCC_drms )
1202 if( p_box->data.p_sample_soun->p_drms )
1204 drms_free( p_box->data.p_sample_soun->p_drms );
1210 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1214 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1216 for( i = 0; i < 6 ; i++ )
1218 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1221 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1224 * XXX hack -> produce a copy of the nearly complete chunk
1228 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1229 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1230 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1235 p_box->data.p_sample_vide->i_qt_image_description = 0;
1236 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1239 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1241 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1244 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1246 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1247 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1249 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1250 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1252 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1253 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1255 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1256 p_peek += 32; i_read -= 32;
1258 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1259 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1261 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1262 MP4_ReadBoxContainerRaw( p_stream, p_box );
1265 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1266 p_box->data.p_sample_vide->i_width,
1267 p_box->data.p_sample_vide->i_height,
1268 p_box->data.p_sample_vide->i_depth );
1271 MP4_READBOX_EXIT( 1 );
1275 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1277 FREE( p_box->data.p_sample_vide->p_qt_image_description );
1280 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1282 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1283 MP4_ReadBoxContainerRaw( p_stream, p_box );
1287 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1291 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1293 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1294 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1296 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1298 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1303 /* FIXME search right signification */
1305 p_box->data.p_sample_text->i_justification_horizontal = 1;
1306 p_box->data.p_sample_text->i_justification_vertical = 1;
1308 case -1: // Flush Right
1309 p_box->data.p_sample_text->i_justification_horizontal = -1;
1310 p_box->data.p_sample_text->i_justification_vertical = -1;
1312 case -2: // Flush Left
1313 p_box->data.p_sample_text->i_justification_horizontal = 0;
1314 p_box->data.p_sample_text->i_justification_vertical = 0;
1316 case 0: // Flush Default
1318 p_box->data.p_sample_text->i_justification_horizontal = 1;
1319 p_box->data.p_sample_text->i_justification_vertical = -1;
1323 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1324 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1325 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1326 p_box->data.p_sample_text->i_background_color[3] = 0;
1328 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1329 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1331 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1334 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1336 MP4_READBOX_EXIT( 1 );
1339 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1341 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1343 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1344 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1346 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1348 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1350 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1351 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1353 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1354 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1355 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1356 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1358 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1359 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1360 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1361 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1364 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1366 MP4_READBOX_EXIT( 1 );
1371 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1372 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1374 FREE( p_box->data.p_sample_text->psz_text_name );
1379 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1382 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1384 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1386 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1388 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1390 MP4_ReadBoxContainerRaw( p_stream, p_box );
1393 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1394 p_box->data.p_stsd->i_entry_count );
1397 MP4_READBOX_EXIT( 1 );
1401 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1405 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1407 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1409 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1411 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1413 p_box->data.p_stsz->i_entry_size =
1414 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1416 if( !p_box->data.p_stsz->i_sample_size )
1418 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1420 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1425 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1426 p_box->data.p_stsz->i_sample_size,
1427 p_box->data.p_stsz->i_sample_count );
1430 MP4_READBOX_EXIT( 1 );
1433 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1435 FREE( p_box->data.p_stsz->i_entry_size );
1438 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1442 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1444 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1446 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1448 p_box->data.p_stsc->i_first_chunk =
1449 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1450 p_box->data.p_stsc->i_samples_per_chunk =
1451 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1452 p_box->data.p_stsc->i_sample_description_index =
1453 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1455 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1457 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1458 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1459 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1463 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1464 p_box->data.p_stsc->i_entry_count );
1467 MP4_READBOX_EXIT( 1 );
1470 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1472 FREE( p_box->data.p_stsc->i_first_chunk );
1473 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1474 FREE( p_box->data.p_stsc->i_sample_description_index );
1477 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1481 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1483 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1485 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1487 p_box->data.p_co64->i_chunk_offset =
1488 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1490 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1492 if( p_box->i_type == FOURCC_stco )
1498 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1506 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1511 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1512 p_box->data.p_co64->i_entry_count );
1515 MP4_READBOX_EXIT( 1 );
1518 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1520 FREE( p_box->data.p_co64->i_chunk_offset );
1523 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1527 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1529 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1531 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1533 p_box->data.p_stss->i_sample_number =
1534 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1536 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1539 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1540 /* XXX in libmp4 sample begin at 0 */
1541 p_box->data.p_stss->i_sample_number[i]--;
1545 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1546 p_box->data.p_stss->i_entry_count );
1549 MP4_READBOX_EXIT( 1 );
1552 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1554 FREE( p_box->data.p_stss->i_sample_number )
1557 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1561 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1563 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1566 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1568 p_box->data.p_stsh->i_shadowed_sample_number =
1569 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1571 p_box->data.p_stsh->i_sync_sample_number =
1572 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1575 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1578 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1579 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1583 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1584 p_box->data.p_stsh->i_entry_count );
1586 MP4_READBOX_EXIT( 1 );
1589 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1591 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1592 FREE( p_box->data.p_stsh->i_sync_sample_number )
1596 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1600 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1602 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1604 p_box->data.p_stdp->i_priority =
1605 calloc( sizeof( uint16_t ), i_read / 2 );
1607 for( i = 0; i < i_read / 2 ; i++ )
1610 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1614 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1618 MP4_READBOX_EXIT( 1 );
1621 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1623 FREE( p_box->data.p_stdp->i_priority )
1626 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1630 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1632 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1635 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1637 p_box->data.p_padb->i_reserved1 =
1638 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1639 p_box->data.p_padb->i_pad2 =
1640 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1641 p_box->data.p_padb->i_reserved2 =
1642 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1643 p_box->data.p_padb->i_pad1 =
1644 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1647 for( i = 0; i < i_read / 2 ; i++ )
1649 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1650 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1651 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1652 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1654 p_peek += 1; i_read -= 1;
1658 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1662 MP4_READBOX_EXIT( 1 );
1665 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1667 FREE( p_box->data.p_padb->i_reserved1 );
1668 FREE( p_box->data.p_padb->i_pad2 );
1669 FREE( p_box->data.p_padb->i_reserved2 );
1670 FREE( p_box->data.p_padb->i_pad1 );
1673 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1677 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1679 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1682 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1684 p_box->data.p_elst->i_segment_duration =
1685 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1686 p_box->data.p_elst->i_media_time =
1687 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1688 p_box->data.p_elst->i_media_rate_integer =
1689 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1690 p_box->data.p_elst->i_media_rate_fraction=
1691 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1694 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1696 if( p_box->data.p_elst->i_version == 1 )
1699 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1701 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1706 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1708 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1709 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1712 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1713 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1717 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1721 MP4_READBOX_EXIT( 1 );
1724 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1726 FREE( p_box->data.p_elst->i_segment_duration );
1727 FREE( p_box->data.p_elst->i_media_time );
1728 FREE( p_box->data.p_elst->i_media_rate_integer );
1729 FREE( p_box->data.p_elst->i_media_rate_fraction );
1732 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1734 unsigned int i_language;
1737 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1739 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1741 i_language = GetWBE( p_peek );
1742 for( i = 0; i < 3; i++ )
1744 p_box->data.p_cprt->i_language[i] =
1745 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1747 p_peek += 2; i_read -= 2;
1748 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1751 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1752 p_box->data.p_cprt->i_language[0],
1753 p_box->data.p_cprt->i_language[1],
1754 p_box->data.p_cprt->i_language[2],
1755 p_box->data.p_cprt->psz_notice );
1758 MP4_READBOX_EXIT( 1 );
1761 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1763 FREE( p_box->data.p_cprt->psz_notice );
1767 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1769 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1771 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1774 "read box: \"dcom\" compression algorithm : %4.4s",
1775 (char*)&p_box->data.p_dcom->i_algorithm );
1777 MP4_READBOX_EXIT( 1 );
1780 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1782 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1784 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1786 p_box->data.p_cmvd->i_compressed_size = i_read;
1788 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1790 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1794 /* now copy compressed data */
1795 memcpy( p_box->data.p_cmvd->p_data,
1799 p_box->data.p_cmvd->b_compressed = 1;
1802 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1803 p_box->data.p_cmvd->i_compressed_size );
1806 MP4_READBOX_EXIT( 1 );
1808 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1810 FREE( p_box->data.p_cmvd->p_data );
1814 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1820 stream_t *p_stream_memory;
1826 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1828 msg_Err( p_stream, "out of memory" );
1831 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1833 if( !p_box->p_father ||
1834 ( p_box->p_father->i_type != FOURCC_moov &&
1835 p_box->p_father->i_type != FOURCC_foov ) )
1837 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1841 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1846 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1847 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1848 p_cmvd->data.p_cmvd->p_data == NULL )
1850 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1854 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1856 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1857 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1862 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1866 /* decompress data */
1867 /* allocate a new buffer */
1868 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1870 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1871 "uncompress data" );
1874 /* init default structures */
1875 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1876 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1877 z_data.next_out = p_data;
1878 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1879 z_data.zalloc = (alloc_func)Z_NULL;
1880 z_data.zfree = (free_func)Z_NULL;
1881 z_data.opaque = (voidpf)Z_NULL;
1884 if( inflateInit( &z_data ) != Z_OK )
1886 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1892 i_result = inflate( &z_data, Z_NO_FLUSH );
1893 if( i_result != Z_OK && i_result != Z_STREAM_END )
1895 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1900 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1902 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1905 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1908 if( inflateEnd( &z_data ) != Z_OK )
1910 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1914 free( p_cmvd->data.p_cmvd->p_data );
1915 p_cmvd->data.p_cmvd->p_data = p_data;
1916 p_cmvd->data.p_cmvd->b_compressed = 0;
1918 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1920 /* now create a memory stream */
1922 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1923 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1925 /* and read uncompressd moov */
1926 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1928 stream_Delete( p_stream_memory );
1931 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1934 return p_box->data.p_cmov->p_moov ? 1 : 0;
1935 #endif /* HAVE_ZLIB_H */
1938 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1941 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1943 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1944 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1945 MP4_GET4BYTES( i_len );
1949 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1950 for( i = 0; i < i_len; i++ )
1952 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1954 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1958 p_box->data.p_rdrf->psz_ref = NULL;
1963 "read box: \"rdrf\" type:%4.4s ref %s",
1964 (char*)&p_box->data.p_rdrf->i_ref_type,
1965 p_box->data.p_rdrf->psz_ref );
1968 MP4_READBOX_EXIT( 1 );
1971 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1973 FREE( p_box->data.p_rdrf->psz_ref )
1977 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1979 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1981 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1983 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1987 "read box: \"rmdr\" rate:%d",
1988 p_box->data.p_rmdr->i_rate );
1990 MP4_READBOX_EXIT( 1 );
1993 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1995 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1997 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2001 "read box: \"rmqu\" quality:%d",
2002 p_box->data.p_rmqu->i_quality );
2004 MP4_READBOX_EXIT( 1 );
2007 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2009 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2010 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2012 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2013 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2014 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2015 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2019 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2020 (char*)&p_box->data.p_rmvc->i_gestaltType,
2021 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2022 p_box->data.p_rmvc->i_checkType );
2025 MP4_READBOX_EXIT( 1 );
2028 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2030 MP4_Box_t *p_drms_box = p_box;
2032 MP4_READBOX_ENTER( uint8_t );
2036 p_drms_box = p_drms_box->p_father;
2037 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2039 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2041 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2042 p_box->i_type, p_peek, i_read );
2049 case -1: psz_error = "unimplemented"; break;
2050 case -2: psz_error = "invalid argument"; break;
2051 case -3: psz_error = "could not get system key"; break;
2052 case -4: psz_error = "could not get SCI data"; break;
2053 case -5: psz_error = "no user key found in SCI data"; break;
2054 case -6: psz_error = "invalid user key"; break;
2055 default: psz_error = "unknown error"; break;
2058 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2059 (char *)&p_box->i_type, psz_error );
2061 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2062 p_drms_box->data.p_sample_soun->p_drms = NULL;
2066 MP4_READBOX_EXIT( 1 );
2069 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2071 int16_t i_length, i_dummy;
2073 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2075 p_box->data.p_0xa9xxx->psz_text = NULL;
2077 MP4_GET2BYTES( i_length );
2078 MP4_GET2BYTES( i_dummy );
2082 if( i_length > i_read ) i_length = i_read;
2084 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2086 memcpy( p_box->data.p_0xa9xxx->psz_text,
2088 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2092 "read box: \"%4.4s\" text=`%s'",
2093 (char*)&p_box->i_type,
2094 p_box->data.p_0xa9xxx->psz_text );
2098 MP4_READBOX_EXIT( 1 );
2100 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2102 FREE( p_box->data.p_0xa9xxx->psz_text );
2106 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2108 if( !p_box->p_father )
2112 if( p_box->p_father->i_type == FOURCC_stsd )
2114 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2117 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2118 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2122 switch( p_hdlr->data.p_hdlr->i_handler_type )
2125 return MP4_ReadBox_sample_soun( p_stream, p_box );
2127 return MP4_ReadBox_sample_vide( p_stream, p_box );
2129 return MP4_ReadBox_sample_text( p_stream, p_box );
2131 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2134 "unknown handler type in stsd (uncompletetly loaded)" );
2141 "unknown box type %4.4s (uncompletetly loaded)",
2142 (char*)&p_box->i_type );
2147 /**** ------------------------------------------------------------------- ****/
2148 /**** "Higher level" Functions ****/
2149 /**** ------------------------------------------------------------------- ****/
2154 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2155 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2156 } MP4_Box_Function [] =
2159 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2160 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2161 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2162 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2163 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2164 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2165 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2166 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2167 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2168 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2169 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2170 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2171 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2172 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2173 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2174 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2177 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2178 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2179 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2180 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2181 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2182 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2183 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2184 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2185 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2186 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2187 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2188 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2189 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2190 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2191 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2192 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2193 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2194 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2195 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2196 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2197 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2198 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2199 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2200 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2201 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2202 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2203 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2204 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2205 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2207 /* Nothing to do with this box */
2208 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2209 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2210 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2211 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2214 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2215 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2216 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2217 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2218 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2219 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2220 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2221 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2222 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2223 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2224 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2225 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2226 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2227 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2228 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2229 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2230 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2231 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2232 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2233 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2234 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2235 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2236 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2238 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2239 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2240 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2241 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2242 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2243 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2244 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2245 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2246 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2247 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2248 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2249 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2250 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2251 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2252 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2253 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2254 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2255 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2256 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2257 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2258 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2259 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2260 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2262 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2263 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2265 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2266 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2267 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2268 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2269 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2271 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2272 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2274 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2276 /* XXX there is 2 box where we could find this entry stbl and tref*/
2277 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2279 /* found in tref box */
2280 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2281 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2282 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2285 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2288 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2289 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2290 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2291 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2293 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2294 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2295 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2296 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2297 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2298 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2299 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2300 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2303 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2304 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2305 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2306 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2307 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2308 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2309 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2310 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2311 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2312 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2313 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2314 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2315 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2316 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2317 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2318 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2319 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2320 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2321 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2322 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2323 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2324 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2325 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2326 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2327 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2330 { 0, MP4_ReadBox_default, NULL }
2335 /*****************************************************************************
2336 * MP4_ReadBox : parse the actual box and the children
2337 * XXX : Do not go to the next box
2338 *****************************************************************************/
2339 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2341 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2342 unsigned int i_index;
2344 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2346 msg_Warn( p_stream, "cannot read one box" );
2350 if( !p_box->i_size )
2352 msg_Dbg( p_stream, "found an empty box (null size)" );
2356 p_box->p_father = p_father;
2358 /* Now search function to call */
2359 for( i_index = 0; ; i_index++ )
2361 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2362 ( MP4_Box_Function[i_index].i_type == 0 ) )
2368 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2377 /*****************************************************************************
2378 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2380 *****************************************************************************/
2381 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2383 unsigned int i_index;
2391 for( p_child = p_box->p_first; p_child != NULL; )
2395 p_next = p_child->p_next;
2396 MP4_BoxFree( s, p_child );
2400 /* Now search function to call */
2401 if( p_box->data.p_data )
2403 for( i_index = 0; ; i_index++ )
2405 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2406 ( MP4_Box_Function[i_index].i_type == 0 ) )
2411 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2413 /* Should not happen */
2415 "cannot free box %4.4s, type unknown",
2416 (char*)&p_box->i_type );
2420 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2423 free( p_box->data.p_data );
2429 /*****************************************************************************
2430 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2431 *****************************************************************************
2432 * The first box is a virtual box "root" and is the father for all first
2433 * level boxes for the file, a sort of virtual contener
2434 *****************************************************************************/
2435 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2441 p_root = malloc( sizeof( MP4_Box_t ) );
2443 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2444 p_root->i_shortsize = 1;
2445 p_root->i_size = stream_Size( s );
2446 CreateUUID( &p_root->i_uuid, p_root->i_type );
2448 p_root->data.p_data = NULL;
2449 p_root->p_father = NULL;
2450 p_root->p_first = NULL;
2451 p_root->p_last = NULL;
2452 p_root->p_next = NULL;
2456 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2464 /* check if there is a cmov, if so replace
2465 compressed moov by uncompressed one */
2466 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2467 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2468 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2469 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2471 /* rename the compressed moov as a box to skip */
2472 p_moov->i_type = FOURCC_skip;
2474 /* get uncompressed p_moov */
2475 p_moov = p_cmov->data.p_cmov->p_moov;
2476 p_cmov->data.p_cmov->p_moov = NULL;
2478 /* make p_root father of this new moov */
2479 p_moov->p_father = p_root;
2481 /* insert this new moov box as first child of p_root */
2482 p_moov->p_next = p_child = p_root->p_first;
2483 p_root->p_first = p_moov;
2491 static void __MP4_BoxDumpStructure( stream_t *s,
2492 MP4_Box_t *p_box, unsigned int i_level )
2498 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2499 (char*)&p_box->i_type );
2505 memset( str, (uint8_t)' ', 512 );
2506 for( i = 0; i < i_level; i++ )
2510 sprintf( str + i_level * 5, "+ %4.4s size %d",
2511 (char*)&p_box->i_type,
2512 (uint32_t)p_box->i_size );
2514 msg_Dbg( s, "%s", str );
2516 p_child = p_box->p_first;
2519 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2520 p_child = p_child->p_next;
2524 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2526 __MP4_BoxDumpStructure( s, p_box, 0 );
2531 /*****************************************************************************
2532 *****************************************************************************
2534 ** High level methods to acces an MP4 file
2536 *****************************************************************************
2537 *****************************************************************************/
2538 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2541 if( !*ppsz_path[0] )
2548 while( (*ppsz_path)[i_len] &&
2549 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2553 if( !i_len && **ppsz_path == '/' )
2557 *ppsz_token = malloc( i_len + 1 );
2559 memcpy( *ppsz_token, *ppsz_path, i_len );
2561 (*ppsz_token)[i_len] = '\0';
2563 *ppsz_path += i_len;
2565 if( **ppsz_path == '[' )
2568 *pi_number = strtol( *ppsz_path, NULL, 10 );
2569 while( **ppsz_path && **ppsz_path != ']' )
2573 if( **ppsz_path == ']' )
2582 while( **ppsz_path == '/' )
2588 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2589 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2599 vasprintf( &psz_path, psz_fmt, args );
2601 if( !psz_path || !psz_path[0] )
2608 // fprintf( stderr, "path:'%s'\n", psz_path );
2609 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2615 __get_token( &psz_path, &psz_token, &i_number );
2616 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2617 // psz_path,psz_token,i_number );
2626 if( !strcmp( psz_token, "/" ) )
2629 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2631 p_box = p_box->p_father;
2642 if( !strcmp( psz_token, "." ) )
2647 if( !strcmp( psz_token, ".." ) )
2649 p_box = p_box->p_father;
2659 if( strlen( psz_token ) == 4 )
2662 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2663 psz_token[2], psz_token[3] );
2664 p_box = p_box->p_first;
2674 if( p_box->i_type == i_fourcc )
2682 p_box = p_box->p_next;
2686 if( strlen( psz_token ) == 0 )
2688 p_box = p_box->p_first;
2703 p_box = p_box->p_next;
2708 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2719 /*****************************************************************************
2720 * MP4_BoxGet: find a box given a path relative to p_box
2721 *****************************************************************************
2722 * Path Format: . .. / as usual
2723 * [number] to specifie box number ex: trak[12]
2725 * ex: /moov/trak[12]
2727 *****************************************************************************/
2728 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2731 MP4_Box_t *p_result;
2733 va_start( args, psz_fmt );
2734 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2740 /*****************************************************************************
2741 * MP4_BoxCount: count box given a path relative to p_box
2742 *****************************************************************************
2743 * Path Format: . .. / as usual
2744 * [number] to specifie box number ex: trak[12]
2746 * ex: /moov/trak[12]
2748 *****************************************************************************/
2749 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2753 MP4_Box_t *p_result, *p_next;
2755 va_start( args, psz_fmt );
2756 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2764 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2766 if( p_next->i_type == p_result->i_type)