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 *****************************************************************************/
26 #include <stdlib.h> /* malloc(), free() */
28 #include <vlc_demux.h>
31 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 *****************************************************************************/
42 #define MP4_BOX_HEADERSIZE( p_box ) \
43 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
44 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
46 #define MP4_GET1BYTE( dst ) \
47 dst = *p_peek; p_peek++; i_read--
49 #define MP4_GET2BYTES( dst ) \
50 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
52 #define MP4_GET3BYTES( dst ) \
53 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
55 #define MP4_GET4BYTES( dst ) \
56 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
58 #define MP4_GETFOURCC( dst ) \
59 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
60 p_peek += 4; i_read -= 4
62 #define MP4_GET8BYTES( dst ) \
63 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
65 #define MP4_GETVERSIONFLAGS( p_void ) \
66 MP4_GET1BYTE( p_void->i_version ); \
67 MP4_GET3BYTES( p_void->i_flags )
69 #define MP4_GETSTRINGZ( p_str ) \
70 if( ( i_read > 0 )&&(p_peek[0] ) ) \
72 p_str = calloc( sizeof( char ), __MIN( strlen( (char*)p_peek ), i_read )+1);\
73 memcpy( p_str, p_peek, __MIN( strlen( (char*)p_peek ), i_read ) ); \
74 p_str[__MIN( strlen( (char*)p_peek ), i_read )] = 0; \
75 p_peek += strlen( (char *)p_str ) + 1; \
76 i_read -= strlen( (char *)p_str ) + 1; \
84 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
85 int64_t i_read = p_box->i_size; \
86 uint8_t *p_peek, *p_buff; \
87 int i_actually_read; \
88 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
92 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
93 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
98 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
99 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
100 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
106 #define MP4_READBOX_EXIT( i_code ) \
110 msg_Warn( p_stream, "Not enough data" ); \
116 * The input method HAVE to be seekable
120 static uint32_t Get24bBE( uint8_t *p )
122 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
125 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
127 memcpy( p_uuid, p_buff, 16 );
130 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
132 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
133 where XXXXXXXX is the fourcc */
134 /* FIXME implement this */
137 /* some functions for mp4 encoding of variables */
139 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
146 /* date begin at 1 jan 1904 */
147 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
149 i_day = i_date / ( 60*60*24);
150 i_hour = ( i_date /( 60*60 ) ) % 60;
151 i_min = ( i_date / 60 ) % 60;
153 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
156 /*****************************************************************************
158 *****************************************************************************/
159 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
162 /*****************************************************************************
163 * MP4_ReadBoxCommon : Load only common parameters for all boxes
164 *****************************************************************************
165 * p_box need to be an already allocated MP4_Box_t, and all data
166 * will only be peek not read
168 * RETURN : 0 if it fail, 1 otherwise
169 *****************************************************************************/
170 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
175 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
179 p_box->i_pos = stream_Tell( p_stream );
181 p_box->data.p_data = NULL;
182 p_box->p_father = NULL;
183 p_box->p_first = NULL;
184 p_box->p_last = NULL;
185 p_box->p_next = NULL;
187 MP4_GET4BYTES( p_box->i_shortsize );
188 MP4_GETFOURCC( p_box->i_type );
190 /* Now special case */
192 if( p_box->i_shortsize == 1 )
194 /* get the true size on 64 bits */
195 MP4_GET8BYTES( p_box->i_size );
199 p_box->i_size = p_box->i_shortsize;
200 /* XXX size of 0 means that the box extends to end of file */
203 if( p_box->i_type == FOURCC_uuid )
205 /* get extented type on 16 bytes */
206 GetUUID( &p_box->i_uuid, p_peek );
207 p_peek += 16; i_read -= 16;
211 CreateUUID( &p_box->i_uuid, p_box->i_type );
216 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
217 (char*)&p_box->i_type, p_box->i_size );
224 /*****************************************************************************
225 * MP4_NextBox : Go to the next box
226 *****************************************************************************
227 * if p_box == NULL, go to the next box in which we are( at the begining ).
228 *****************************************************************************/
229 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
235 MP4_ReadBoxCommon( p_stream, &box );
241 return 2; /* Box with infinite size */
244 if( p_box->p_father )
246 /* check if it's within p-father */
247 if( p_box->i_size + p_box->i_pos >=
248 p_box->p_father->i_size + p_box->p_father->i_pos )
250 msg_Dbg( p_stream, "out of bound child" );
251 return 0; /* out of bound */
254 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
262 /*****************************************************************************
263 * For all known box a loader is given,
264 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
265 * after called one of theses functions, file position is unknown
266 * you need to call MP4_GotoBox to go where you want
267 *****************************************************************************/
268 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
272 if( stream_Tell( p_stream ) + 8 >
273 (off_t)(p_container->i_pos + p_container->i_size) )
275 /* there is no box to load */
281 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
283 /* chain this box with the father and the other at same level */
284 if( !p_container->p_first ) p_container->p_first = p_box;
285 else p_container->p_last->p_next = p_box;
286 p_container->p_last = p_box;
288 } while( MP4_NextBox( p_stream, p_box ) == 1 );
293 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
295 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
297 /* container is empty, 8 stand for the first header in this box */
302 stream_Seek( p_stream, p_container->i_pos +
303 MP4_BOX_HEADERSIZE( p_container ) );
305 return MP4_ReadBoxContainerRaw( p_stream, p_container );
308 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
310 /* Up to now do nothing */
313 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
315 /* XXX sometime moov is hiden in a free box */
316 if( p_box->p_father &&
317 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
318 p_box->i_type == FOURCC_free )
324 i_read = stream_Peek( p_stream, &p_peek, 44 );
326 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
327 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
331 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
333 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
335 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
337 p_box->i_type = FOURCC_foov;
338 return MP4_ReadBoxContainer( p_stream, p_box );
345 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
350 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
352 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
354 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
355 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
357 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
360 p_box->data.p_ftyp->i_compatible_brands =
361 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
363 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
365 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
370 p_box->data.p_ftyp->i_compatible_brands = NULL;
373 MP4_READBOX_EXIT( 1 );
376 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
378 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
382 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
386 char s_creation_time[128];
387 char s_modification_time[128];
388 char s_duration[128];
390 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
392 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
394 if( p_box->data.p_mvhd->i_version )
396 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
397 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
398 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
399 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
404 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
405 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
406 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
408 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
409 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
410 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
413 for( i = 0; i < 2; i++ )
415 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
417 for( i = 0; i < 9; i++ )
419 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
421 for( i = 0; i < 6; i++ )
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
426 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
430 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
431 MP4_ConvertDate2Str( s_modification_time,
432 p_box->data.p_mvhd->i_modification_time );
433 if( p_box->data.p_mvhd->i_rate )
435 MP4_ConvertDate2Str( s_duration,
436 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
442 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
445 (uint32_t)p_box->data.p_mvhd->i_timescale,
447 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
448 (float)p_box->data.p_mvhd->i_volume / 256 ,
449 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
451 MP4_READBOX_EXIT( 1 );
454 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
458 char s_creation_time[128];
459 char s_modification_time[128];
460 char s_duration[128];
462 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
464 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
466 if( p_box->data.p_tkhd->i_version )
468 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
469 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
470 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
471 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
472 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
478 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
479 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
480 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
483 for( i = 0; i < 2; i++ )
485 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
487 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
488 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
489 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
490 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
492 for( i = 0; i < 9; i++ )
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
496 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
497 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
500 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
501 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
502 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
504 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
508 p_box->data.p_tkhd->i_track_ID,
509 p_box->data.p_tkhd->i_layer,
510 (float)p_box->data.p_tkhd->i_volume / 256 ,
511 (float)p_box->data.p_tkhd->i_width / 65536,
512 (float)p_box->data.p_tkhd->i_height / 65536 );
514 MP4_READBOX_EXIT( 1 );
518 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
523 char s_creation_time[128];
524 char s_modification_time[128];
525 char s_duration[128];
527 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
529 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
531 if( p_box->data.p_mdhd->i_version )
533 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
534 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
535 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
536 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
540 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
541 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
542 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
543 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
545 i_language = GetWBE( p_peek );
546 for( i = 0; i < 3; i++ )
548 p_box->data.p_mdhd->i_language[i] =
549 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
552 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
555 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
556 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
557 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
558 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
561 (uint32_t)p_box->data.p_mdhd->i_timescale,
563 p_box->data.p_mdhd->i_language[0],
564 p_box->data.p_mdhd->i_language[1],
565 p_box->data.p_mdhd->i_language[2] );
567 MP4_READBOX_EXIT( 1 );
571 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
575 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
577 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
579 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
580 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
582 MP4_GET4BYTES( i_reserved );
583 MP4_GET4BYTES( i_reserved );
584 MP4_GET4BYTES( i_reserved );
585 p_box->data.p_hdlr->psz_name = NULL;
589 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
591 /* Yes, I love .mp4 :( */
592 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
597 MP4_GET1BYTE( i_len );
598 i_copy = __MIN( i_read, i_len );
600 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
601 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
605 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
606 p_box->data.p_hdlr->psz_name[i_read] = '\0';
611 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
612 (char*)&p_box->data.p_hdlr->i_handler_type,
613 p_box->data.p_hdlr->psz_name );
616 MP4_READBOX_EXIT( 1 );
619 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
621 FREENULL( p_box->data.p_hdlr->psz_name );
624 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
628 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
630 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
632 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
633 for( i = 0; i < 3; i++ )
635 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
639 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
640 p_box->data.p_vmhd->i_graphics_mode,
641 p_box->data.p_vmhd->i_opcolor[0],
642 p_box->data.p_vmhd->i_opcolor[1],
643 p_box->data.p_vmhd->i_opcolor[2] );
645 MP4_READBOX_EXIT( 1 );
648 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
650 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
652 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
656 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
658 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
661 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
662 (float)p_box->data.p_smhd->i_balance / 256 );
664 MP4_READBOX_EXIT( 1 );
668 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
670 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
672 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
674 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
675 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
677 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
678 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
680 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
683 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
684 p_box->data.p_hmhd->i_max_PDU_size,
685 p_box->data.p_hmhd->i_avg_PDU_size,
686 p_box->data.p_hmhd->i_max_bitrate,
687 p_box->data.p_hmhd->i_avg_bitrate );
689 MP4_READBOX_EXIT( 1 );
692 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
694 MP4_READBOX_ENTER( MP4_Box_data_url_t );
696 MP4_GETVERSIONFLAGS( p_box->data.p_url );
697 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
700 msg_Dbg( p_stream, "read box: \"url\" url: %s",
701 p_box->data.p_url->psz_location );
704 MP4_READBOX_EXIT( 1 );
708 static void MP4_FreeBox_url( MP4_Box_t *p_box )
710 FREENULL( p_box->data.p_url->psz_location )
713 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
715 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
717 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
719 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
720 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
723 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
724 p_box->data.p_urn->psz_name,
725 p_box->data.p_urn->psz_location );
727 MP4_READBOX_EXIT( 1 );
729 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
731 FREENULL( p_box->data.p_urn->psz_name );
732 FREENULL( p_box->data.p_urn->psz_location );
736 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
738 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
740 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
742 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
744 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
745 MP4_ReadBoxContainerRaw( p_stream, p_box );
748 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
749 p_box->data.p_dref->i_entry_count );
752 MP4_READBOX_EXIT( 1 );
756 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
759 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
761 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
762 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
764 p_box->data.p_stts->i_sample_count =
765 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
766 p_box->data.p_stts->i_sample_delta =
767 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
769 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
771 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
772 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
776 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
777 p_box->data.p_stts->i_entry_count );
780 MP4_READBOX_EXIT( 1 );
783 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
785 FREENULL( p_box->data.p_stts->i_sample_count );
786 FREENULL( p_box->data.p_stts->i_sample_delta );
789 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
792 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
794 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
796 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
798 p_box->data.p_ctts->i_sample_count =
799 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
800 p_box->data.p_ctts->i_sample_offset =
801 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
803 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
805 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
806 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
810 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
811 p_box->data.p_ctts->i_entry_count );
814 MP4_READBOX_EXIT( 1 );
817 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
819 FREENULL( p_box->data.p_ctts->i_sample_count );
820 FREENULL( p_box->data.p_ctts->i_sample_offset );
823 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, uint64_t *i_read )
826 unsigned int i_len = 0;
833 i_len = ( i_len << 7 ) + ( i_b&0x7f );
838 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
840 #define es_descriptor p_box->data.p_esds->es_descriptor
842 unsigned int i_flags;
845 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
847 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
850 MP4_GET1BYTE( i_type );
851 if( i_type == 0x03 ) /* MP4ESDescrTag */
853 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
856 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
860 MP4_GET2BYTES( es_descriptor.i_ES_ID );
861 MP4_GET1BYTE( i_flags );
862 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
863 es_descriptor.b_url = ( (i_flags&0x40) != 0);
864 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
866 es_descriptor.i_stream_priority = i_flags&0x1f;
867 if( es_descriptor.b_stream_dependence )
869 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
871 if( es_descriptor.b_url )
875 MP4_GET1BYTE( i_len );
876 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
877 memcpy( es_descriptor.psz_URL, p_peek, i_len );
878 es_descriptor.psz_URL[i_len] = 0;
884 es_descriptor.psz_URL = NULL;
886 if( es_descriptor.b_OCRstream )
888 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
890 MP4_GET1BYTE( i_type ); /* get next type */
893 if( i_type != 0x04)/* MP4DecConfigDescrTag */
895 es_descriptor.p_decConfigDescr = NULL;
896 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
899 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
902 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
906 es_descriptor.p_decConfigDescr =
907 malloc( sizeof( MP4_descriptor_decoder_config_t ));
909 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
910 MP4_GET1BYTE( i_flags );
911 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
912 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
913 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
914 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
915 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
916 MP4_GET1BYTE( i_type );
917 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
919 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
920 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
921 MP4_READBOX_EXIT( 1 );
924 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
927 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
931 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
932 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
933 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
936 MP4_READBOX_EXIT( 1 );
941 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
943 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
944 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
946 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
948 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
951 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
953 MP4_Box_data_avcC_t *p_avcC;
956 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
957 p_avcC = p_box->data.p_avcC;
959 p_avcC->i_avcC = i_read;
960 if( p_avcC->i_avcC > 0 )
962 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
963 memcpy( p_avcC->p_avcC, p_peek, i_read );
966 MP4_GET1BYTE( p_avcC->i_version );
967 MP4_GET1BYTE( p_avcC->i_profile );
968 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
969 MP4_GET1BYTE( p_avcC->i_level );
970 MP4_GET1BYTE( p_avcC->i_reserved1 );
971 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
972 p_avcC->i_reserved1 >>= 2;
974 MP4_GET1BYTE( p_avcC->i_reserved2 );
975 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
976 p_avcC->i_reserved2 >>= 5;
978 if( p_avcC->i_sps > 0 )
980 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
981 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
983 for( i = 0; i < p_avcC->i_sps; i++ )
985 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
986 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
987 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
989 p_peek += p_avcC->i_sps_length[i];
990 i_read -= p_avcC->i_sps_length[i];
994 MP4_GET1BYTE( p_avcC->i_pps );
995 if( p_avcC->i_pps > 0 )
997 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
998 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1000 for( i = 0; i < p_avcC->i_pps; i++ )
1002 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1003 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1004 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1006 p_peek += p_avcC->i_pps_length[i];
1007 i_read -= p_avcC->i_pps_length[i];
1012 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1013 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1014 p_avcC->i_length_size,
1015 p_avcC->i_sps, p_avcC->i_pps );
1016 for( i = 0; i < p_avcC->i_sps; i++ )
1018 msg_Dbg( p_stream, " - sps[%d] length=%d",
1019 i, p_avcC->i_sps_length[i] );
1021 for( i = 0; i < p_avcC->i_pps; i++ )
1023 msg_Dbg( p_stream, " - pps[%d] length=%d",
1024 i, p_avcC->i_pps_length[i] );
1028 MP4_READBOX_EXIT( 1 );
1031 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1033 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1036 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1038 for( i = 0; i < p_avcC->i_sps; i++ )
1040 FREENULL( p_avcC->sps[i] );
1042 for( i = 0; i < p_avcC->i_pps; i++ )
1044 FREENULL( p_avcC->pps[i] );
1046 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1047 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1048 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1049 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1052 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1056 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1057 p_box->data.p_sample_soun->p_qt_description = NULL;
1059 /* Sanity check needed because the "wave" box does also contain an
1060 * "mp4a" box that we don't understand. */
1064 MP4_READBOX_EXIT( 1 );
1067 for( i = 0; i < 6 ; i++ )
1069 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1072 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1075 * XXX hack -> produce a copy of the nearly complete chunk
1079 p_box->data.p_sample_soun->i_qt_description = i_read;
1080 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1081 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1085 p_box->data.p_sample_soun->i_qt_description = 0;
1086 p_box->data.p_sample_soun->p_qt_description = NULL;
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1090 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1091 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1093 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1094 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1095 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1096 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1097 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1098 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1100 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1102 /* SoundDescriptionV1 */
1103 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1104 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1105 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1106 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1110 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1111 "bytes/frame=%d bytes/sample=%d",
1112 p_box->data.p_sample_soun->i_sample_per_packet,
1113 p_box->data.p_sample_soun->i_bytes_per_packet,
1114 p_box->data.p_sample_soun->i_bytes_per_frame,
1115 p_box->data.p_sample_soun->i_bytes_per_sample );
1117 stream_Seek( p_stream, p_box->i_pos +
1118 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1120 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1122 /* SoundDescriptionV2 */
1123 double f_sample_rate;
1127 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1128 MP4_GET8BYTES( dummy );
1129 memcpy( &f_sample_rate, &dummy, 8 );
1131 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1132 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1133 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1135 MP4_GET4BYTES( i_channel );
1136 p_box->data.p_sample_soun->i_channelcount = i_channel;
1139 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1141 stream_Seek( p_stream, p_box->i_pos +
1142 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1146 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1147 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1148 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1149 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1151 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1153 stream_Seek( p_stream, p_box->i_pos +
1154 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1157 if( p_box->i_type == FOURCC_drms )
1159 p_box->data.p_sample_soun->p_drms =
1160 drms_alloc( p_stream->p_libvlc->psz_homedir );
1162 if( p_box->data.p_sample_soun->p_drms == NULL )
1164 msg_Err( p_stream, "drms_alloc() failed" );
1168 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1170 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1171 p_box->data.p_sample_soun->i_channelcount = 1;
1174 if( p_box->i_type == FOURCC_alac )
1176 if( p_box->data.p_sample_soun->p_qt_description )
1177 free( p_box->data.p_sample_soun->p_qt_description );
1179 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1180 p_box->data.p_sample_soun->i_qt_description = i_read;
1181 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1185 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1189 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1190 "sample size %d sample rate %f",
1191 p_box->data.p_sample_soun->i_channelcount,
1192 p_box->data.p_sample_soun->i_samplesize,
1193 (float)p_box->data.p_sample_soun->i_sampleratehi +
1194 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1197 MP4_READBOX_EXIT( 1 );
1201 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1203 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1205 if( p_box->i_type == FOURCC_drms )
1207 if( p_box->data.p_sample_soun->p_drms )
1209 drms_free( p_box->data.p_sample_soun->p_drms );
1215 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1219 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1221 for( i = 0; i < 6 ; i++ )
1223 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1226 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1229 * XXX hack -> produce a copy of the nearly complete chunk
1233 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1234 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1235 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1240 p_box->data.p_sample_vide->i_qt_image_description = 0;
1241 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1244 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1245 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1246 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1248 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1249 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1251 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1252 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1254 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1255 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1257 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1258 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1260 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1261 p_peek += 32; i_read -= 32;
1263 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1264 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1266 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1267 MP4_ReadBoxContainerRaw( p_stream, p_box );
1270 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1271 p_box->data.p_sample_vide->i_width,
1272 p_box->data.p_sample_vide->i_height,
1273 p_box->data.p_sample_vide->i_depth );
1276 MP4_READBOX_EXIT( 1 );
1280 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1282 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1285 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1287 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1288 MP4_ReadBoxContainerRaw( p_stream, p_box );
1292 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1296 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1298 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1299 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1301 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1303 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1308 /* FIXME search right signification */
1310 p_box->data.p_sample_text->i_justification_horizontal = 1;
1311 p_box->data.p_sample_text->i_justification_vertical = 1;
1313 case -1: // Flush Right
1314 p_box->data.p_sample_text->i_justification_horizontal = -1;
1315 p_box->data.p_sample_text->i_justification_vertical = -1;
1317 case -2: // Flush Left
1318 p_box->data.p_sample_text->i_justification_horizontal = 0;
1319 p_box->data.p_sample_text->i_justification_vertical = 0;
1321 case 0: // Flush Default
1323 p_box->data.p_sample_text->i_justification_horizontal = 1;
1324 p_box->data.p_sample_text->i_justification_vertical = -1;
1328 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1329 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1331 p_box->data.p_sample_text->i_background_color[3] = 0;
1333 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1334 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1335 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1336 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1339 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1341 MP4_READBOX_EXIT( 1 );
1344 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1346 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1348 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1349 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1351 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1353 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1355 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1356 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1358 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1359 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1360 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1361 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1363 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1364 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1365 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1366 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1369 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1371 MP4_READBOX_EXIT( 1 );
1376 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1377 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1379 FREENULL( p_box->data.p_sample_text->psz_text_name );
1384 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1387 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1389 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1391 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1393 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1395 MP4_ReadBoxContainerRaw( p_stream, p_box );
1398 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1399 p_box->data.p_stsd->i_entry_count );
1402 MP4_READBOX_EXIT( 1 );
1406 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1410 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1412 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1414 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1416 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1418 p_box->data.p_stsz->i_entry_size =
1419 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1421 if( !p_box->data.p_stsz->i_sample_size )
1423 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1425 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1430 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1431 p_box->data.p_stsz->i_sample_size,
1432 p_box->data.p_stsz->i_sample_count );
1435 MP4_READBOX_EXIT( 1 );
1438 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1440 FREENULL( p_box->data.p_stsz->i_entry_size );
1443 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1447 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1449 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1451 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1453 p_box->data.p_stsc->i_first_chunk =
1454 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1455 p_box->data.p_stsc->i_samples_per_chunk =
1456 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1457 p_box->data.p_stsc->i_sample_description_index =
1458 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1460 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1462 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1463 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1464 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1468 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1469 p_box->data.p_stsc->i_entry_count );
1472 MP4_READBOX_EXIT( 1 );
1475 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1477 FREENULL( p_box->data.p_stsc->i_first_chunk );
1478 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1479 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1482 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1486 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1488 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1490 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1492 p_box->data.p_co64->i_chunk_offset =
1493 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1495 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1497 if( p_box->i_type == FOURCC_stco )
1503 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1511 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1516 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1517 p_box->data.p_co64->i_entry_count );
1520 MP4_READBOX_EXIT( 1 );
1523 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1525 FREENULL( p_box->data.p_co64->i_chunk_offset );
1528 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1532 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1534 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1536 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1538 p_box->data.p_stss->i_sample_number =
1539 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1541 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1544 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1545 /* XXX in libmp4 sample begin at 0 */
1546 p_box->data.p_stss->i_sample_number[i]--;
1550 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1551 p_box->data.p_stss->i_entry_count );
1554 MP4_READBOX_EXIT( 1 );
1557 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1559 FREENULL( p_box->data.p_stss->i_sample_number )
1562 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1566 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1568 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1571 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1573 p_box->data.p_stsh->i_shadowed_sample_number =
1574 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1576 p_box->data.p_stsh->i_sync_sample_number =
1577 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1580 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1583 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1584 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1588 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1589 p_box->data.p_stsh->i_entry_count );
1591 MP4_READBOX_EXIT( 1 );
1594 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1596 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1597 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1601 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1605 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1607 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1609 p_box->data.p_stdp->i_priority =
1610 calloc( sizeof( uint16_t ), i_read / 2 );
1612 for( i = 0; i < i_read / 2 ; i++ )
1615 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1619 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1623 MP4_READBOX_EXIT( 1 );
1626 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1628 FREENULL( p_box->data.p_stdp->i_priority )
1631 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1635 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1637 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1640 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1642 p_box->data.p_padb->i_reserved1 =
1643 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1644 p_box->data.p_padb->i_pad2 =
1645 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1646 p_box->data.p_padb->i_reserved2 =
1647 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1648 p_box->data.p_padb->i_pad1 =
1649 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1652 for( i = 0; i < i_read / 2 ; i++ )
1654 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1655 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1656 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1657 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1659 p_peek += 1; i_read -= 1;
1663 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1667 MP4_READBOX_EXIT( 1 );
1670 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1672 FREENULL( p_box->data.p_padb->i_reserved1 );
1673 FREENULL( p_box->data.p_padb->i_pad2 );
1674 FREENULL( p_box->data.p_padb->i_reserved2 );
1675 FREENULL( p_box->data.p_padb->i_pad1 );
1678 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1682 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1684 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1687 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1689 p_box->data.p_elst->i_segment_duration =
1690 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1691 p_box->data.p_elst->i_media_time =
1692 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1693 p_box->data.p_elst->i_media_rate_integer =
1694 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1695 p_box->data.p_elst->i_media_rate_fraction=
1696 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1699 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1701 if( p_box->data.p_elst->i_version == 1 )
1704 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1706 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1711 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1713 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1714 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1717 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1718 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1722 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1726 MP4_READBOX_EXIT( 1 );
1729 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1731 FREENULL( p_box->data.p_elst->i_segment_duration );
1732 FREENULL( p_box->data.p_elst->i_media_time );
1733 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1734 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1737 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1739 unsigned int i_language;
1742 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1744 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1746 i_language = GetWBE( p_peek );
1747 for( i = 0; i < 3; i++ )
1749 p_box->data.p_cprt->i_language[i] =
1750 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1752 p_peek += 2; i_read -= 2;
1753 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1756 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1757 p_box->data.p_cprt->i_language[0],
1758 p_box->data.p_cprt->i_language[1],
1759 p_box->data.p_cprt->i_language[2],
1760 p_box->data.p_cprt->psz_notice );
1763 MP4_READBOX_EXIT( 1 );
1766 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1768 FREENULL( p_box->data.p_cprt->psz_notice );
1772 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1774 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1776 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1779 "read box: \"dcom\" compression algorithm : %4.4s",
1780 (char*)&p_box->data.p_dcom->i_algorithm );
1782 MP4_READBOX_EXIT( 1 );
1785 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1787 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1789 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1791 p_box->data.p_cmvd->i_compressed_size = i_read;
1793 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1795 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1799 /* now copy compressed data */
1800 memcpy( p_box->data.p_cmvd->p_data,
1804 p_box->data.p_cmvd->b_compressed = 1;
1807 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1808 p_box->data.p_cmvd->i_compressed_size );
1811 MP4_READBOX_EXIT( 1 );
1813 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1815 FREENULL( p_box->data.p_cmvd->p_data );
1819 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1825 stream_t *p_stream_memory;
1831 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1833 msg_Err( p_stream, "out of memory" );
1836 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1838 if( !p_box->p_father ||
1839 ( p_box->p_father->i_type != FOURCC_moov &&
1840 p_box->p_father->i_type != FOURCC_foov ) )
1842 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1846 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1851 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1852 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1853 p_cmvd->data.p_cmvd->p_data == NULL )
1855 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1859 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1861 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1862 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1867 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1871 /* decompress data */
1872 /* allocate a new buffer */
1873 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1875 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1876 "uncompress data" );
1879 /* init default structures */
1880 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1881 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1882 z_data.next_out = p_data;
1883 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1884 z_data.zalloc = (alloc_func)Z_NULL;
1885 z_data.zfree = (free_func)Z_NULL;
1886 z_data.opaque = (voidpf)Z_NULL;
1889 if( inflateInit( &z_data ) != Z_OK )
1891 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1897 i_result = inflate( &z_data, Z_NO_FLUSH );
1898 if( i_result != Z_OK && i_result != Z_STREAM_END )
1900 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1905 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1907 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1910 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1913 if( inflateEnd( &z_data ) != Z_OK )
1915 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1919 free( p_cmvd->data.p_cmvd->p_data );
1920 p_cmvd->data.p_cmvd->p_data = p_data;
1921 p_cmvd->data.p_cmvd->b_compressed = 0;
1923 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1925 /* now create a memory stream */
1927 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1928 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1930 /* and read uncompressd moov */
1931 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1933 stream_Delete( p_stream_memory );
1936 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1939 return p_box->data.p_cmov->p_moov ? 1 : 0;
1940 #endif /* HAVE_ZLIB_H */
1943 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1946 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1948 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1949 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1950 MP4_GET4BYTES( i_len );
1954 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1955 for( i = 0; i < i_len; i++ )
1957 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1959 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1963 p_box->data.p_rdrf->psz_ref = NULL;
1968 "read box: \"rdrf\" type:%4.4s ref %s",
1969 (char*)&p_box->data.p_rdrf->i_ref_type,
1970 p_box->data.p_rdrf->psz_ref );
1973 MP4_READBOX_EXIT( 1 );
1976 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1978 FREENULL( p_box->data.p_rdrf->psz_ref )
1982 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1984 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1986 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1988 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1992 "read box: \"rmdr\" rate:%d",
1993 p_box->data.p_rmdr->i_rate );
1995 MP4_READBOX_EXIT( 1 );
1998 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2000 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2002 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2006 "read box: \"rmqu\" quality:%d",
2007 p_box->data.p_rmqu->i_quality );
2009 MP4_READBOX_EXIT( 1 );
2012 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2014 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2015 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2017 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2018 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2019 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2020 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2024 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2025 (char*)&p_box->data.p_rmvc->i_gestaltType,
2026 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2027 p_box->data.p_rmvc->i_checkType );
2030 MP4_READBOX_EXIT( 1 );
2033 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2035 MP4_Box_t *p_drms_box = p_box;
2037 MP4_READBOX_ENTER( uint8_t );
2041 p_drms_box = p_drms_box->p_father;
2042 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2044 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2047 if( config_GetInt( p_stream, "france" ) )
2053 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2054 p_box->i_type, p_peek, i_read );
2058 const char *psz_error;
2062 case -1: psz_error = "unimplemented"; break;
2063 case -2: psz_error = "invalid argument"; break;
2064 case -3: psz_error = "could not get system key"; break;
2065 case -4: psz_error = "could not get SCI data"; break;
2066 case -5: psz_error = "no user key found in SCI data"; break;
2067 case -6: psz_error = "invalid user key"; break;
2068 case -7: psz_error = "you live in France"; break;
2069 default: psz_error = "unknown error"; break;
2072 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2073 (char *)&p_box->i_type, psz_error );
2075 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2076 p_drms_box->data.p_sample_soun->p_drms = NULL;
2080 MP4_READBOX_EXIT( 1 );
2083 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2085 uint16_t i_length, i_dummy;
2087 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2089 p_box->data.p_0xa9xxx->psz_text = NULL;
2091 MP4_GET2BYTES( i_length );
2092 MP4_GET2BYTES( i_dummy );
2096 if( i_length > i_read ) i_length = i_read;
2098 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2100 memcpy( p_box->data.p_0xa9xxx->psz_text,
2102 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2106 "read box: \"%4.4s\" text=`%s'",
2107 (char*)&p_box->i_type,
2108 p_box->data.p_0xa9xxx->psz_text );
2112 MP4_READBOX_EXIT( 1 );
2114 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2116 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2120 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2122 if( !p_box->p_father )
2126 if( p_box->p_father->i_type == FOURCC_stsd )
2128 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2131 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2132 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2136 switch( p_hdlr->data.p_hdlr->i_handler_type )
2139 return MP4_ReadBox_sample_soun( p_stream, p_box );
2141 return MP4_ReadBox_sample_vide( p_stream, p_box );
2143 return MP4_ReadBox_sample_text( p_stream, p_box );
2145 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2148 "unknown handler type in stsd (uncompletetly loaded)" );
2155 "unknown box type %4.4s (uncompletetly loaded)",
2156 (char*)&p_box->i_type );
2161 /**** ------------------------------------------------------------------- ****/
2162 /**** "Higher level" Functions ****/
2163 /**** ------------------------------------------------------------------- ****/
2168 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2169 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2170 } MP4_Box_Function [] =
2173 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2174 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2175 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2176 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2177 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2178 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2179 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2180 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2181 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2182 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2183 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2184 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2185 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2186 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2187 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2188 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2191 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2192 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2193 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2194 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2195 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2196 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2197 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2198 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2199 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2200 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2201 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2202 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2203 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2204 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2205 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2206 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2207 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2208 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2209 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2210 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2211 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2212 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2213 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2214 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2215 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2216 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2217 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2218 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2219 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2221 /* Nothing to do with this box */
2222 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2223 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2224 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2225 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2228 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2229 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2230 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2231 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2232 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2233 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2234 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2235 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2236 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2237 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2238 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2239 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2240 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2241 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2242 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2243 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2244 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2245 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2246 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2247 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2248 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2249 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2250 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2252 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2253 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2254 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2255 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2256 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2257 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2258 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2259 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2260 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2261 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2262 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2263 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2264 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2265 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2266 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2267 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2268 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2269 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2270 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2271 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2272 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2273 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2274 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2276 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2277 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2279 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2280 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2281 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2282 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2283 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2285 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2286 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2288 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2290 /* XXX there is 2 box where we could find this entry stbl and tref*/
2291 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2293 /* found in tref box */
2294 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2295 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2296 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2299 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2302 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2303 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2304 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2305 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2307 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2308 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2309 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2310 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2311 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2312 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2313 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2314 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2317 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2318 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2319 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2320 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2321 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2322 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2323 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2324 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2325 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2326 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2327 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2328 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2329 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2330 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2331 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2332 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2333 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2334 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2335 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2336 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2337 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2338 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2339 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2340 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2341 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2344 { 0, MP4_ReadBox_default, NULL }
2349 /*****************************************************************************
2350 * MP4_ReadBox : parse the actual box and the children
2351 * XXX : Do not go to the next box
2352 *****************************************************************************/
2353 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2355 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2356 unsigned int i_index;
2358 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2360 msg_Warn( p_stream, "cannot read one box" );
2364 if( !p_box->i_size )
2366 msg_Dbg( p_stream, "found an empty box (null size)" );
2370 p_box->p_father = p_father;
2372 /* Now search function to call */
2373 for( i_index = 0; ; i_index++ )
2375 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2376 ( MP4_Box_Function[i_index].i_type == 0 ) )
2382 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2391 /*****************************************************************************
2392 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2394 *****************************************************************************/
2395 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2397 unsigned int i_index;
2405 for( p_child = p_box->p_first; p_child != NULL; )
2409 p_next = p_child->p_next;
2410 MP4_BoxFree( s, p_child );
2414 /* Now search function to call */
2415 if( p_box->data.p_data )
2417 for( i_index = 0; ; i_index++ )
2419 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2420 ( MP4_Box_Function[i_index].i_type == 0 ) )
2425 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2427 /* Should not happen */
2429 "cannot free box %4.4s, type unknown",
2430 (char*)&p_box->i_type );
2434 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2437 free( p_box->data.p_data );
2443 /*****************************************************************************
2444 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2445 *****************************************************************************
2446 * The first box is a virtual box "root" and is the father for all first
2447 * level boxes for the file, a sort of virtual contener
2448 *****************************************************************************/
2449 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2455 p_root = malloc( sizeof( MP4_Box_t ) );
2457 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2458 p_root->i_shortsize = 1;
2459 p_root->i_size = stream_Size( s );
2460 CreateUUID( &p_root->i_uuid, p_root->i_type );
2462 p_root->data.p_data = NULL;
2463 p_root->p_father = NULL;
2464 p_root->p_first = NULL;
2465 p_root->p_last = NULL;
2466 p_root->p_next = NULL;
2470 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2478 /* check if there is a cmov, if so replace
2479 compressed moov by uncompressed one */
2480 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2481 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2482 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2483 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2485 /* rename the compressed moov as a box to skip */
2486 p_moov->i_type = FOURCC_skip;
2488 /* get uncompressed p_moov */
2489 p_moov = p_cmov->data.p_cmov->p_moov;
2490 p_cmov->data.p_cmov->p_moov = NULL;
2492 /* make p_root father of this new moov */
2493 p_moov->p_father = p_root;
2495 /* insert this new moov box as first child of p_root */
2496 p_moov->p_next = p_child = p_root->p_first;
2497 p_root->p_first = p_moov;
2505 static void __MP4_BoxDumpStructure( stream_t *s,
2506 MP4_Box_t *p_box, unsigned int i_level )
2512 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2513 (char*)&p_box->i_type );
2519 memset( str, (uint8_t)' ', 512 );
2520 for( i = 0; i < i_level; i++ )
2524 sprintf( str + i_level * 5, "+ %4.4s size %d",
2525 (char*)&p_box->i_type,
2526 (uint32_t)p_box->i_size );
2528 msg_Dbg( s, "%s", str );
2530 p_child = p_box->p_first;
2533 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2534 p_child = p_child->p_next;
2538 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2540 __MP4_BoxDumpStructure( s, p_box, 0 );
2545 /*****************************************************************************
2546 *****************************************************************************
2548 ** High level methods to acces an MP4 file
2550 *****************************************************************************
2551 *****************************************************************************/
2552 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2555 if( !*ppsz_path[0] )
2562 while( (*ppsz_path)[i_len] &&
2563 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2567 if( !i_len && **ppsz_path == '/' )
2571 *ppsz_token = malloc( i_len + 1 );
2573 memcpy( *ppsz_token, *ppsz_path, i_len );
2575 (*ppsz_token)[i_len] = '\0';
2577 *ppsz_path += i_len;
2579 if( **ppsz_path == '[' )
2582 *pi_number = strtol( *ppsz_path, NULL, 10 );
2583 while( **ppsz_path && **ppsz_path != ']' )
2587 if( **ppsz_path == ']' )
2596 while( **ppsz_path == '/' )
2602 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2603 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2614 vasprintf( &psz_path, psz_fmt, args );
2616 if( !psz_path || !psz_path[0] )
2618 FREENULL( psz_path );
2623 // fprintf( stderr, "path:'%s'\n", psz_path );
2624 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2630 __get_token( &psz_path, &psz_token, &i_number );
2631 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2632 // psz_path,psz_token,i_number );
2635 FREENULL( psz_token );
2641 if( !strcmp( psz_token, "/" ) )
2644 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2646 p_box = p_box->p_father;
2657 if( !strcmp( psz_token, "." ) )
2662 if( !strcmp( psz_token, ".." ) )
2664 p_box = p_box->p_father;
2674 if( strlen( psz_token ) == 4 )
2677 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2678 psz_token[2], psz_token[3] );
2679 p_box = p_box->p_first;
2689 if( p_box->i_type == i_fourcc )
2697 p_box = p_box->p_next;
2701 if( strlen( psz_token ) == 0 )
2703 p_box = p_box->p_first;
2718 p_box = p_box->p_next;
2723 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2724 FREENULL( psz_token );
2734 /*****************************************************************************
2735 * MP4_BoxGet: find a box given a path relative to p_box
2736 *****************************************************************************
2737 * Path Format: . .. / as usual
2738 * [number] to specifie box number ex: trak[12]
2740 * ex: /moov/trak[12]
2742 *****************************************************************************/
2743 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2746 MP4_Box_t *p_result;
2748 va_start( args, psz_fmt );
2749 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2755 /*****************************************************************************
2756 * MP4_BoxCount: count box given a path relative to p_box
2757 *****************************************************************************
2758 * Path Format: . .. / as usual
2759 * [number] to specifie box number ex: trak[12]
2761 * ex: /moov/trak[12]
2763 *****************************************************************************/
2764 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2768 MP4_Box_t *p_result, *p_next;
2770 va_start( args, psz_fmt );
2771 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2779 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2781 if( p_next->i_type == p_result->i_type)