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" ); \
113 * The input method HAVE to be seekable
117 static uint32_t Get24bBE( uint8_t *p )
119 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
122 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
124 memcpy( p_uuid, p_buff, 16 );
127 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
129 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
130 where XXXXXXXX is the fourcc */
131 /* FIXME implement this */
134 /* some functions for mp4 encoding of variables */
136 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
143 /* date begin at 1 jan 1904 */
144 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
146 i_day = i_date / ( 60*60*24);
147 i_hour = ( i_date /( 60*60 ) ) % 60;
148 i_min = ( i_date / 60 ) % 60;
150 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
153 /*****************************************************************************
155 *****************************************************************************/
156 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
159 /*****************************************************************************
160 * MP4_ReadBoxCommon : Load only common parameters for all boxes
161 *****************************************************************************
162 * p_box need to be an already allocated MP4_Box_t, and all data
163 * will only be peek not read
165 * RETURN : 0 if it fail, 1 otherwise
166 *****************************************************************************/
167 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
172 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
176 p_box->i_pos = stream_Tell( p_stream );
178 p_box->data.p_data = NULL;
179 p_box->p_father = NULL;
180 p_box->p_first = NULL;
181 p_box->p_last = NULL;
182 p_box->p_next = NULL;
184 MP4_GET4BYTES( p_box->i_shortsize );
185 MP4_GETFOURCC( p_box->i_type );
187 /* Now special case */
189 if( p_box->i_shortsize == 1 )
191 /* get the true size on 64 bits */
192 MP4_GET8BYTES( p_box->i_size );
196 p_box->i_size = p_box->i_shortsize;
197 /* XXX size of 0 means that the box extends to end of file */
200 if( p_box->i_type == FOURCC_uuid )
202 /* get extented type on 16 bytes */
203 GetUUID( &p_box->i_uuid, p_peek );
204 p_peek += 16; i_read -= 16;
208 CreateUUID( &p_box->i_uuid, p_box->i_type );
213 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
214 (char*)&p_box->i_type, p_box->i_size );
221 /*****************************************************************************
222 * MP4_NextBox : Go to the next box
223 *****************************************************************************
224 * if p_box == NULL, go to the next box in which we are( at the begining ).
225 *****************************************************************************/
226 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
232 MP4_ReadBoxCommon( p_stream, &box );
238 return 2; /* Box with infinite size */
241 if( p_box->p_father )
243 /* check if it's within p-father */
244 if( p_box->i_size + p_box->i_pos >=
245 p_box->p_father->i_size + p_box->p_father->i_pos )
247 msg_Dbg( p_stream, "out of bound child" );
248 return 0; /* out of bound */
251 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
259 /*****************************************************************************
260 * For all known box a loader is given,
261 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
262 * after called one of theses functions, file position is unknown
263 * you need to call MP4_GotoBox to go where you want
264 *****************************************************************************/
265 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
269 if( stream_Tell( p_stream ) + 8 >
270 (off_t)(p_container->i_pos + p_container->i_size) )
272 /* there is no box to load */
278 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
280 /* chain this box with the father and the other at same level */
281 if( !p_container->p_first ) p_container->p_first = p_box;
282 else p_container->p_last->p_next = p_box;
283 p_container->p_last = p_box;
285 } while( MP4_NextBox( p_stream, p_box ) == 1 );
290 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
292 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
294 /* container is empty, 8 stand for the first header in this box */
299 stream_Seek( p_stream, p_container->i_pos +
300 MP4_BOX_HEADERSIZE( p_container ) );
302 return MP4_ReadBoxContainerRaw( p_stream, p_container );
305 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
307 /* Up to now do nothing */
310 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
312 /* XXX sometime moov is hiden in a free box */
313 if( p_box->p_father &&
314 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
315 p_box->i_type == FOURCC_free )
321 i_read = stream_Peek( p_stream, &p_peek, 44 );
323 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
324 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
328 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
330 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
332 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
334 p_box->i_type = FOURCC_foov;
335 return MP4_ReadBoxContainer( p_stream, p_box );
342 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
347 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
349 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
351 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
352 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
354 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
357 p_box->data.p_ftyp->i_compatible_brands =
358 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
360 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
362 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
367 p_box->data.p_ftyp->i_compatible_brands = NULL;
370 MP4_READBOX_EXIT( 1 );
373 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
375 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
379 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
383 char s_creation_time[128];
384 char s_modification_time[128];
385 char s_duration[128];
387 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
389 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
391 if( p_box->data.p_mvhd->i_version )
393 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
394 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
395 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
396 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
400 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
401 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
402 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
405 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
406 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
407 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
410 for( i = 0; i < 2; i++ )
412 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
414 for( i = 0; i < 9; i++ )
416 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
418 for( i = 0; i < 6; i++ )
420 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
427 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
428 MP4_ConvertDate2Str( s_modification_time,
429 p_box->data.p_mvhd->i_modification_time );
430 if( p_box->data.p_mvhd->i_rate )
432 MP4_ConvertDate2Str( s_duration,
433 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
439 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
442 (uint32_t)p_box->data.p_mvhd->i_timescale,
444 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
445 (float)p_box->data.p_mvhd->i_volume / 256 ,
446 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
448 MP4_READBOX_EXIT( 1 );
451 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
455 char s_creation_time[128];
456 char s_modification_time[128];
457 char s_duration[128];
459 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
461 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
463 if( p_box->data.p_tkhd->i_version )
465 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
466 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
467 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
468 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
469 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
473 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
475 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
480 for( i = 0; i < 2; i++ )
482 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
484 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
485 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
486 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
487 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
489 for( i = 0; i < 9; i++ )
491 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
493 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
497 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
498 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
499 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
501 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
505 p_box->data.p_tkhd->i_track_ID,
506 p_box->data.p_tkhd->i_layer,
507 (float)p_box->data.p_tkhd->i_volume / 256 ,
508 (float)p_box->data.p_tkhd->i_width / 65536,
509 (float)p_box->data.p_tkhd->i_height / 65536 );
511 MP4_READBOX_EXIT( 1 );
515 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
520 char s_creation_time[128];
521 char s_modification_time[128];
522 char s_duration[128];
524 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
526 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
528 if( p_box->data.p_mdhd->i_version )
530 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
531 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
532 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
533 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
537 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
538 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
539 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
540 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
542 i_language = GetWBE( p_peek );
543 for( i = 0; i < 3; i++ )
545 p_box->data.p_mdhd->i_language[i] =
546 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
549 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
552 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
553 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
554 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
555 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
558 (uint32_t)p_box->data.p_mdhd->i_timescale,
560 p_box->data.p_mdhd->i_language[0],
561 p_box->data.p_mdhd->i_language[1],
562 p_box->data.p_mdhd->i_language[2] );
564 MP4_READBOX_EXIT( 1 );
568 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
572 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
574 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
576 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
577 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
579 MP4_GET4BYTES( i_reserved );
580 MP4_GET4BYTES( i_reserved );
581 MP4_GET4BYTES( i_reserved );
582 p_box->data.p_hdlr->psz_name = NULL;
586 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
588 /* Yes, I love .mp4 :( */
589 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
594 MP4_GET1BYTE( i_len );
595 i_copy = __MIN( i_read, i_len );
597 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
598 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
602 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
603 p_box->data.p_hdlr->psz_name[i_read] = '\0';
608 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
609 (char*)&p_box->data.p_hdlr->i_handler_type,
610 p_box->data.p_hdlr->psz_name );
613 MP4_READBOX_EXIT( 1 );
616 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
618 FREENULL( p_box->data.p_hdlr->psz_name );
621 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
625 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
627 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
629 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
630 for( i = 0; i < 3; i++ )
632 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
636 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
637 p_box->data.p_vmhd->i_graphics_mode,
638 p_box->data.p_vmhd->i_opcolor[0],
639 p_box->data.p_vmhd->i_opcolor[1],
640 p_box->data.p_vmhd->i_opcolor[2] );
642 MP4_READBOX_EXIT( 1 );
645 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
647 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
649 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
653 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
655 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
658 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
659 (float)p_box->data.p_smhd->i_balance / 256 );
661 MP4_READBOX_EXIT( 1 );
665 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
667 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
669 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
671 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
672 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
674 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
675 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
677 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
680 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
681 p_box->data.p_hmhd->i_max_PDU_size,
682 p_box->data.p_hmhd->i_avg_PDU_size,
683 p_box->data.p_hmhd->i_max_bitrate,
684 p_box->data.p_hmhd->i_avg_bitrate );
686 MP4_READBOX_EXIT( 1 );
689 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
691 MP4_READBOX_ENTER( MP4_Box_data_url_t );
693 MP4_GETVERSIONFLAGS( p_box->data.p_url );
694 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
697 msg_Dbg( p_stream, "read box: \"url\" url: %s",
698 p_box->data.p_url->psz_location );
701 MP4_READBOX_EXIT( 1 );
705 static void MP4_FreeBox_url( MP4_Box_t *p_box )
707 FREENULL( p_box->data.p_url->psz_location )
710 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
712 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
714 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
716 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
717 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
720 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
721 p_box->data.p_urn->psz_name,
722 p_box->data.p_urn->psz_location );
724 MP4_READBOX_EXIT( 1 );
726 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
728 FREENULL( p_box->data.p_urn->psz_name );
729 FREENULL( p_box->data.p_urn->psz_location );
733 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
735 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
737 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
739 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
741 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
742 MP4_ReadBoxContainerRaw( p_stream, p_box );
745 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
746 p_box->data.p_dref->i_entry_count );
749 MP4_READBOX_EXIT( 1 );
753 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
756 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
758 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
759 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
761 p_box->data.p_stts->i_sample_count =
762 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
763 p_box->data.p_stts->i_sample_delta =
764 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
766 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
768 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
769 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
773 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
774 p_box->data.p_stts->i_entry_count );
777 MP4_READBOX_EXIT( 1 );
780 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
782 FREENULL( p_box->data.p_stts->i_sample_count );
783 FREENULL( p_box->data.p_stts->i_sample_delta );
786 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
789 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
791 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
793 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
795 p_box->data.p_ctts->i_sample_count =
796 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
797 p_box->data.p_ctts->i_sample_offset =
798 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
800 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
802 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
803 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
807 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
808 p_box->data.p_ctts->i_entry_count );
811 MP4_READBOX_EXIT( 1 );
814 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
816 FREENULL( p_box->data.p_ctts->i_sample_count );
817 FREENULL( p_box->data.p_ctts->i_sample_offset );
820 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
823 unsigned int i_len = 0;
830 i_len = ( i_len << 7 ) + ( i_b&0x7f );
835 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
837 #define es_descriptor p_box->data.p_esds->es_descriptor
839 unsigned int i_flags;
842 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
844 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
847 MP4_GET1BYTE( i_type );
848 if( i_type == 0x03 ) /* MP4ESDescrTag */
850 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
853 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
857 MP4_GET2BYTES( es_descriptor.i_ES_ID );
858 MP4_GET1BYTE( i_flags );
859 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
860 es_descriptor.b_url = ( (i_flags&0x40) != 0);
861 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
863 es_descriptor.i_stream_priority = i_flags&0x1f;
864 if( es_descriptor.b_stream_dependence )
866 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
868 if( es_descriptor.b_url )
872 MP4_GET1BYTE( i_len );
873 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
874 memcpy( es_descriptor.psz_URL, p_peek, i_len );
875 es_descriptor.psz_URL[i_len] = 0;
881 es_descriptor.psz_URL = NULL;
883 if( es_descriptor.b_OCRstream )
885 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
887 MP4_GET1BYTE( i_type ); /* get next type */
890 if( i_type != 0x04)/* MP4DecConfigDescrTag */
892 es_descriptor.p_decConfigDescr = NULL;
893 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
896 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
899 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
903 es_descriptor.p_decConfigDescr =
904 malloc( sizeof( MP4_descriptor_decoder_config_t ));
906 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
907 MP4_GET1BYTE( i_flags );
908 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
909 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
910 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
911 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
912 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
913 MP4_GET1BYTE( i_type );
914 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
916 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
917 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
918 MP4_READBOX_EXIT( 1 );
921 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
924 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
928 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
929 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
930 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
933 MP4_READBOX_EXIT( 1 );
938 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
940 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
941 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
943 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
945 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
948 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
950 MP4_Box_data_avcC_t *p_avcC;
953 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
954 p_avcC = p_box->data.p_avcC;
956 p_avcC->i_avcC = i_read;
957 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
958 memcpy( p_avcC->p_avcC, p_peek, i_read );
960 MP4_GET1BYTE( p_avcC->i_version );
961 MP4_GET1BYTE( p_avcC->i_profile );
962 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
963 MP4_GET1BYTE( p_avcC->i_level );
964 MP4_GET1BYTE( p_avcC->i_reserved1 );
965 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
966 p_avcC->i_reserved1 >>= 2;
968 MP4_GET1BYTE( p_avcC->i_reserved2 );
969 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
970 p_avcC->i_reserved2 >>= 5;
972 if( p_avcC->i_sps > 0 )
974 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
975 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
977 for( i = 0; i < p_avcC->i_sps; i++ )
979 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
980 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
981 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
983 p_peek += p_avcC->i_sps_length[i];
984 i_read -= p_avcC->i_sps_length[i];
988 MP4_GET1BYTE( p_avcC->i_pps );
989 if( p_avcC->i_pps > 0 )
991 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
992 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
994 for( i = 0; i < p_avcC->i_pps; i++ )
996 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
997 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
998 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1000 p_peek += p_avcC->i_pps_length[i];
1001 i_read -= p_avcC->i_pps_length[i];
1006 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1007 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1008 p_avcC->i_length_size,
1009 p_avcC->i_sps, p_avcC->i_pps );
1010 for( i = 0; i < p_avcC->i_sps; i++ )
1012 msg_Dbg( p_stream, " - sps[%d] length=%d",
1013 i, p_avcC->i_sps_length[i] );
1015 for( i = 0; i < p_avcC->i_pps; i++ )
1017 msg_Dbg( p_stream, " - pps[%d] length=%d",
1018 i, p_avcC->i_pps_length[i] );
1022 MP4_READBOX_EXIT( 1 );
1025 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1027 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1030 for( i = 0; i < p_avcC->i_sps; i++ )
1032 FREENULL( p_avcC->sps[i] );
1034 for( i = 0; i < p_avcC->i_pps; i++ )
1036 FREENULL( p_avcC->pps[i] );
1038 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1039 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1042 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1046 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1047 p_box->data.p_sample_soun->p_qt_description = NULL;
1049 /* Sanity check needed because the "wave" box does also contain an
1050 * "mp4a" box that we don't understand. */
1054 MP4_READBOX_EXIT( 1 );
1057 for( i = 0; i < 6 ; i++ )
1059 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1062 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1065 * XXX hack -> produce a copy of the nearly complete chunk
1069 p_box->data.p_sample_soun->i_qt_description = i_read;
1070 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1071 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1075 p_box->data.p_sample_soun->i_qt_description = 0;
1076 p_box->data.p_sample_soun->p_qt_description = NULL;
1079 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1080 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1081 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1083 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1084 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1085 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1086 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1090 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1092 /* SoundDescriptionV1 */
1093 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1094 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1095 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1096 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1100 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1101 "bytes/frame=%d bytes/sample=%d",
1102 p_box->data.p_sample_soun->i_sample_per_packet,
1103 p_box->data.p_sample_soun->i_bytes_per_packet,
1104 p_box->data.p_sample_soun->i_bytes_per_frame,
1105 p_box->data.p_sample_soun->i_bytes_per_sample );
1107 stream_Seek( p_stream, p_box->i_pos +
1108 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1110 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1112 /* SoundDescriptionV2 */
1113 double f_sample_rate;
1116 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1117 MP4_GET8BYTES( (*(int64_t *)&f_sample_rate) );
1119 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1120 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1121 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1123 MP4_GET4BYTES( i_channel );
1124 p_box->data.p_sample_soun->i_channelcount = i_channel;
1127 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1129 stream_Seek( p_stream, p_box->i_pos +
1130 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1134 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1135 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1136 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1137 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1139 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1141 stream_Seek( p_stream, p_box->i_pos +
1142 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1145 if( p_box->i_type == FOURCC_drms )
1147 p_box->data.p_sample_soun->p_drms =
1148 drms_alloc( p_stream->p_vlc->psz_homedir );
1150 if( p_box->data.p_sample_soun->p_drms == NULL )
1152 msg_Err( p_stream, "drms_alloc() failed" );
1156 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1158 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1159 p_box->data.p_sample_soun->i_channelcount = 1;
1162 if( p_box->i_type == FOURCC_alac )
1164 if( p_box->data.p_sample_soun->p_qt_description )
1165 free( p_box->data.p_sample_soun->p_qt_description );
1167 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1168 p_box->data.p_sample_soun->i_qt_description = i_read;
1169 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1173 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1177 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1178 "sample size %d sample rate %f",
1179 p_box->data.p_sample_soun->i_channelcount,
1180 p_box->data.p_sample_soun->i_samplesize,
1181 (float)p_box->data.p_sample_soun->i_sampleratehi +
1182 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1185 MP4_READBOX_EXIT( 1 );
1189 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1191 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1193 if( p_box->i_type == FOURCC_drms )
1195 if( p_box->data.p_sample_soun->p_drms )
1197 drms_free( p_box->data.p_sample_soun->p_drms );
1203 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1207 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1209 for( i = 0; i < 6 ; i++ )
1211 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1214 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1217 * XXX hack -> produce a copy of the nearly complete chunk
1221 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1222 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1223 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1228 p_box->data.p_sample_vide->i_qt_image_description = 0;
1229 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1232 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1233 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1234 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1236 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1237 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1239 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1242 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1245 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1246 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1248 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1249 p_peek += 32; i_read -= 32;
1251 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1252 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1254 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1255 MP4_ReadBoxContainerRaw( p_stream, p_box );
1258 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1259 p_box->data.p_sample_vide->i_width,
1260 p_box->data.p_sample_vide->i_height,
1261 p_box->data.p_sample_vide->i_depth );
1264 MP4_READBOX_EXIT( 1 );
1268 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1270 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1273 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1275 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1276 MP4_ReadBoxContainerRaw( p_stream, p_box );
1280 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1284 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1286 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1287 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1289 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1291 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1296 /* FIXME search right signification */
1298 p_box->data.p_sample_text->i_justification_horizontal = 1;
1299 p_box->data.p_sample_text->i_justification_vertical = 1;
1301 case -1: // Flush Right
1302 p_box->data.p_sample_text->i_justification_horizontal = -1;
1303 p_box->data.p_sample_text->i_justification_vertical = -1;
1305 case -2: // Flush Left
1306 p_box->data.p_sample_text->i_justification_horizontal = 0;
1307 p_box->data.p_sample_text->i_justification_vertical = 0;
1309 case 0: // Flush Default
1311 p_box->data.p_sample_text->i_justification_horizontal = 1;
1312 p_box->data.p_sample_text->i_justification_vertical = -1;
1316 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1317 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1318 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1319 p_box->data.p_sample_text->i_background_color[3] = 0;
1321 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1322 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1323 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1324 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1327 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1329 MP4_READBOX_EXIT( 1 );
1332 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1334 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1336 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1337 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1339 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1341 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1343 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1344 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1346 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1347 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1348 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1349 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1351 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1352 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1353 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1354 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1357 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1359 MP4_READBOX_EXIT( 1 );
1364 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1365 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1367 FREENULL( p_box->data.p_sample_text->psz_text_name );
1372 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1375 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1377 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1379 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1381 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1383 MP4_ReadBoxContainerRaw( p_stream, p_box );
1386 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1387 p_box->data.p_stsd->i_entry_count );
1390 MP4_READBOX_EXIT( 1 );
1394 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1398 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1400 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1402 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1404 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1406 p_box->data.p_stsz->i_entry_size =
1407 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1409 if( !p_box->data.p_stsz->i_sample_size )
1411 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1413 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1418 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1419 p_box->data.p_stsz->i_sample_size,
1420 p_box->data.p_stsz->i_sample_count );
1423 MP4_READBOX_EXIT( 1 );
1426 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1428 FREENULL( p_box->data.p_stsz->i_entry_size );
1431 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1435 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1437 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1439 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1441 p_box->data.p_stsc->i_first_chunk =
1442 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1443 p_box->data.p_stsc->i_samples_per_chunk =
1444 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1445 p_box->data.p_stsc->i_sample_description_index =
1446 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1448 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1450 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1451 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1452 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1456 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1457 p_box->data.p_stsc->i_entry_count );
1460 MP4_READBOX_EXIT( 1 );
1463 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1465 FREENULL( p_box->data.p_stsc->i_first_chunk );
1466 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1467 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1470 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1474 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1476 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1478 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1480 p_box->data.p_co64->i_chunk_offset =
1481 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1483 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1485 if( p_box->i_type == FOURCC_stco )
1491 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1499 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1504 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1505 p_box->data.p_co64->i_entry_count );
1508 MP4_READBOX_EXIT( 1 );
1511 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1513 FREENULL( p_box->data.p_co64->i_chunk_offset );
1516 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1520 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1522 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1524 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1526 p_box->data.p_stss->i_sample_number =
1527 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1529 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1532 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1533 /* XXX in libmp4 sample begin at 0 */
1534 p_box->data.p_stss->i_sample_number[i]--;
1538 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1539 p_box->data.p_stss->i_entry_count );
1542 MP4_READBOX_EXIT( 1 );
1545 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1547 FREENULL( p_box->data.p_stss->i_sample_number )
1550 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1554 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1556 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1559 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1561 p_box->data.p_stsh->i_shadowed_sample_number =
1562 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1564 p_box->data.p_stsh->i_sync_sample_number =
1565 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1568 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1571 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1572 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1576 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1577 p_box->data.p_stsh->i_entry_count );
1579 MP4_READBOX_EXIT( 1 );
1582 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1584 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1585 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1589 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1593 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1595 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1597 p_box->data.p_stdp->i_priority =
1598 calloc( sizeof( uint16_t ), i_read / 2 );
1600 for( i = 0; i < i_read / 2 ; i++ )
1603 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1607 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1611 MP4_READBOX_EXIT( 1 );
1614 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1616 FREENULL( p_box->data.p_stdp->i_priority )
1619 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1623 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1625 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1628 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1630 p_box->data.p_padb->i_reserved1 =
1631 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1632 p_box->data.p_padb->i_pad2 =
1633 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1634 p_box->data.p_padb->i_reserved2 =
1635 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1636 p_box->data.p_padb->i_pad1 =
1637 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1640 for( i = 0; i < i_read / 2 ; i++ )
1642 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1643 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1644 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1645 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1647 p_peek += 1; i_read -= 1;
1651 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1655 MP4_READBOX_EXIT( 1 );
1658 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1660 FREENULL( p_box->data.p_padb->i_reserved1 );
1661 FREENULL( p_box->data.p_padb->i_pad2 );
1662 FREENULL( p_box->data.p_padb->i_reserved2 );
1663 FREENULL( p_box->data.p_padb->i_pad1 );
1666 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1670 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1672 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1675 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1677 p_box->data.p_elst->i_segment_duration =
1678 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1679 p_box->data.p_elst->i_media_time =
1680 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1681 p_box->data.p_elst->i_media_rate_integer =
1682 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1683 p_box->data.p_elst->i_media_rate_fraction=
1684 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1687 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1689 if( p_box->data.p_elst->i_version == 1 )
1692 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1694 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1699 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1701 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1702 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1705 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1706 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1710 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1714 MP4_READBOX_EXIT( 1 );
1717 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1719 FREENULL( p_box->data.p_elst->i_segment_duration );
1720 FREENULL( p_box->data.p_elst->i_media_time );
1721 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1722 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1725 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1727 unsigned int i_language;
1730 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1732 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1734 i_language = GetWBE( p_peek );
1735 for( i = 0; i < 3; i++ )
1737 p_box->data.p_cprt->i_language[i] =
1738 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1740 p_peek += 2; i_read -= 2;
1741 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1744 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1745 p_box->data.p_cprt->i_language[0],
1746 p_box->data.p_cprt->i_language[1],
1747 p_box->data.p_cprt->i_language[2],
1748 p_box->data.p_cprt->psz_notice );
1751 MP4_READBOX_EXIT( 1 );
1754 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1756 FREENULL( p_box->data.p_cprt->psz_notice );
1760 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1762 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1764 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1767 "read box: \"dcom\" compression algorithm : %4.4s",
1768 (char*)&p_box->data.p_dcom->i_algorithm );
1770 MP4_READBOX_EXIT( 1 );
1773 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1775 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1777 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1779 p_box->data.p_cmvd->i_compressed_size = i_read;
1781 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1783 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1787 /* now copy compressed data */
1788 memcpy( p_box->data.p_cmvd->p_data,
1792 p_box->data.p_cmvd->b_compressed = 1;
1795 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1796 p_box->data.p_cmvd->i_compressed_size );
1799 MP4_READBOX_EXIT( 1 );
1801 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1803 FREENULL( p_box->data.p_cmvd->p_data );
1807 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1813 stream_t *p_stream_memory;
1819 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1821 msg_Err( p_stream, "out of memory" );
1824 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1826 if( !p_box->p_father ||
1827 ( p_box->p_father->i_type != FOURCC_moov &&
1828 p_box->p_father->i_type != FOURCC_foov ) )
1830 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1834 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1839 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1840 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1841 p_cmvd->data.p_cmvd->p_data == NULL )
1843 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1847 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1849 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1850 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1855 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1859 /* decompress data */
1860 /* allocate a new buffer */
1861 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1863 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1864 "uncompress data" );
1867 /* init default structures */
1868 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1869 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1870 z_data.next_out = p_data;
1871 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1872 z_data.zalloc = (alloc_func)Z_NULL;
1873 z_data.zfree = (free_func)Z_NULL;
1874 z_data.opaque = (voidpf)Z_NULL;
1877 if( inflateInit( &z_data ) != Z_OK )
1879 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1885 i_result = inflate( &z_data, Z_NO_FLUSH );
1886 if( i_result != Z_OK && i_result != Z_STREAM_END )
1888 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1893 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1895 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1898 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1901 if( inflateEnd( &z_data ) != Z_OK )
1903 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1907 free( p_cmvd->data.p_cmvd->p_data );
1908 p_cmvd->data.p_cmvd->p_data = p_data;
1909 p_cmvd->data.p_cmvd->b_compressed = 0;
1911 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1913 /* now create a memory stream */
1915 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1916 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1918 /* and read uncompressd moov */
1919 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1921 stream_Delete( p_stream_memory );
1924 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1927 return p_box->data.p_cmov->p_moov ? 1 : 0;
1928 #endif /* HAVE_ZLIB_H */
1931 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1934 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1936 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1937 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1938 MP4_GET4BYTES( i_len );
1942 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1943 for( i = 0; i < i_len; i++ )
1945 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1947 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1951 p_box->data.p_rdrf->psz_ref = NULL;
1956 "read box: \"rdrf\" type:%4.4s ref %s",
1957 (char*)&p_box->data.p_rdrf->i_ref_type,
1958 p_box->data.p_rdrf->psz_ref );
1961 MP4_READBOX_EXIT( 1 );
1964 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1966 FREENULL( p_box->data.p_rdrf->psz_ref )
1970 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1972 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1974 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1976 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1980 "read box: \"rmdr\" rate:%d",
1981 p_box->data.p_rmdr->i_rate );
1983 MP4_READBOX_EXIT( 1 );
1986 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1988 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1990 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1994 "read box: \"rmqu\" quality:%d",
1995 p_box->data.p_rmqu->i_quality );
1997 MP4_READBOX_EXIT( 1 );
2000 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2002 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2003 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2005 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2006 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2007 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2008 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2012 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2013 (char*)&p_box->data.p_rmvc->i_gestaltType,
2014 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2015 p_box->data.p_rmvc->i_checkType );
2018 MP4_READBOX_EXIT( 1 );
2021 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2023 MP4_Box_t *p_drms_box = p_box;
2025 MP4_READBOX_ENTER( uint8_t );
2029 p_drms_box = p_drms_box->p_father;
2030 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2032 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2035 if( config_GetInt( p_stream, "france" ) )
2041 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2042 p_box->i_type, p_peek, i_read );
2050 case -1: psz_error = "unimplemented"; break;
2051 case -2: psz_error = "invalid argument"; break;
2052 case -3: psz_error = "could not get system key"; break;
2053 case -4: psz_error = "could not get SCI data"; break;
2054 case -5: psz_error = "no user key found in SCI data"; break;
2055 case -6: psz_error = "invalid user key"; break;
2056 case -7: psz_error = "you live in France"; break;
2057 default: psz_error = "unknown error"; break;
2060 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2061 (char *)&p_box->i_type, psz_error );
2063 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2064 p_drms_box->data.p_sample_soun->p_drms = NULL;
2068 MP4_READBOX_EXIT( 1 );
2071 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2073 int16_t i_length, i_dummy;
2075 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2077 p_box->data.p_0xa9xxx->psz_text = NULL;
2079 MP4_GET2BYTES( i_length );
2080 MP4_GET2BYTES( i_dummy );
2084 if( i_length > i_read ) i_length = i_read;
2086 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2088 memcpy( p_box->data.p_0xa9xxx->psz_text,
2090 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2094 "read box: \"%4.4s\" text=`%s'",
2095 (char*)&p_box->i_type,
2096 p_box->data.p_0xa9xxx->psz_text );
2100 MP4_READBOX_EXIT( 1 );
2102 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2104 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2108 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2110 if( !p_box->p_father )
2114 if( p_box->p_father->i_type == FOURCC_stsd )
2116 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2119 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2120 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2124 switch( p_hdlr->data.p_hdlr->i_handler_type )
2127 return MP4_ReadBox_sample_soun( p_stream, p_box );
2129 return MP4_ReadBox_sample_vide( p_stream, p_box );
2131 return MP4_ReadBox_sample_text( p_stream, p_box );
2133 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2136 "unknown handler type in stsd (uncompletetly loaded)" );
2143 "unknown box type %4.4s (uncompletetly loaded)",
2144 (char*)&p_box->i_type );
2149 /**** ------------------------------------------------------------------- ****/
2150 /**** "Higher level" Functions ****/
2151 /**** ------------------------------------------------------------------- ****/
2156 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2157 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2158 } MP4_Box_Function [] =
2161 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2162 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2163 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2164 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2165 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2166 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2167 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2168 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2169 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2170 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2171 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2172 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2173 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2174 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2175 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2176 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2179 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2180 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2181 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2182 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2183 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2184 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2185 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2186 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2187 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2188 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2189 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2190 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2191 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2192 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2193 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2194 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2195 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2196 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2197 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2198 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2199 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2200 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2201 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2202 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2203 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2204 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2205 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2206 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2207 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2209 /* Nothing to do with this box */
2210 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2211 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2212 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2213 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2216 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2217 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2218 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2219 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2220 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2221 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2222 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2223 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2224 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2225 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2226 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2227 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2228 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2229 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2230 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2231 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2232 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2233 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2234 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2235 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2236 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2237 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2238 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2240 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2241 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2242 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2243 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2244 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2245 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2246 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2247 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2248 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2249 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2250 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2251 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2252 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2253 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2254 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2255 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2256 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2257 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2258 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2259 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2260 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2261 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2262 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2264 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2265 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2267 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2268 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2269 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2270 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2271 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2273 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2274 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2276 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2278 /* XXX there is 2 box where we could find this entry stbl and tref*/
2279 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2281 /* found in tref box */
2282 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2283 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2284 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2287 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2290 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2291 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2292 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2293 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2295 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2296 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2297 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2298 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2299 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2300 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2301 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2302 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2305 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2306 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2307 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2308 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2309 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2310 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2311 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2312 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2313 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2314 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2315 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2316 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2317 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2318 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2319 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2320 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2321 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2322 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2323 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2324 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2325 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2326 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2327 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2328 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2329 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2332 { 0, MP4_ReadBox_default, NULL }
2337 /*****************************************************************************
2338 * MP4_ReadBox : parse the actual box and the children
2339 * XXX : Do not go to the next box
2340 *****************************************************************************/
2341 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2343 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2344 unsigned int i_index;
2346 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2348 msg_Warn( p_stream, "cannot read one box" );
2352 if( !p_box->i_size )
2354 msg_Dbg( p_stream, "found an empty box (null size)" );
2358 p_box->p_father = p_father;
2360 /* Now search function to call */
2361 for( i_index = 0; ; i_index++ )
2363 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2364 ( MP4_Box_Function[i_index].i_type == 0 ) )
2370 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2379 /*****************************************************************************
2380 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2382 *****************************************************************************/
2383 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2385 unsigned int i_index;
2393 for( p_child = p_box->p_first; p_child != NULL; )
2397 p_next = p_child->p_next;
2398 MP4_BoxFree( s, p_child );
2402 /* Now search function to call */
2403 if( p_box->data.p_data )
2405 for( i_index = 0; ; i_index++ )
2407 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2408 ( MP4_Box_Function[i_index].i_type == 0 ) )
2413 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2415 /* Should not happen */
2417 "cannot free box %4.4s, type unknown",
2418 (char*)&p_box->i_type );
2422 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2425 free( p_box->data.p_data );
2431 /*****************************************************************************
2432 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2433 *****************************************************************************
2434 * The first box is a virtual box "root" and is the father for all first
2435 * level boxes for the file, a sort of virtual contener
2436 *****************************************************************************/
2437 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2443 p_root = malloc( sizeof( MP4_Box_t ) );
2445 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2446 p_root->i_shortsize = 1;
2447 p_root->i_size = stream_Size( s );
2448 CreateUUID( &p_root->i_uuid, p_root->i_type );
2450 p_root->data.p_data = NULL;
2451 p_root->p_father = NULL;
2452 p_root->p_first = NULL;
2453 p_root->p_last = NULL;
2454 p_root->p_next = NULL;
2458 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2466 /* check if there is a cmov, if so replace
2467 compressed moov by uncompressed one */
2468 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2469 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2470 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2471 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2473 /* rename the compressed moov as a box to skip */
2474 p_moov->i_type = FOURCC_skip;
2476 /* get uncompressed p_moov */
2477 p_moov = p_cmov->data.p_cmov->p_moov;
2478 p_cmov->data.p_cmov->p_moov = NULL;
2480 /* make p_root father of this new moov */
2481 p_moov->p_father = p_root;
2483 /* insert this new moov box as first child of p_root */
2484 p_moov->p_next = p_child = p_root->p_first;
2485 p_root->p_first = p_moov;
2493 static void __MP4_BoxDumpStructure( stream_t *s,
2494 MP4_Box_t *p_box, unsigned int i_level )
2500 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2501 (char*)&p_box->i_type );
2507 memset( str, (uint8_t)' ', 512 );
2508 for( i = 0; i < i_level; i++ )
2512 sprintf( str + i_level * 5, "+ %4.4s size %d",
2513 (char*)&p_box->i_type,
2514 (uint32_t)p_box->i_size );
2516 msg_Dbg( s, "%s", str );
2518 p_child = p_box->p_first;
2521 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2522 p_child = p_child->p_next;
2526 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2528 __MP4_BoxDumpStructure( s, p_box, 0 );
2533 /*****************************************************************************
2534 *****************************************************************************
2536 ** High level methods to acces an MP4 file
2538 *****************************************************************************
2539 *****************************************************************************/
2540 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2543 if( !*ppsz_path[0] )
2550 while( (*ppsz_path)[i_len] &&
2551 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2555 if( !i_len && **ppsz_path == '/' )
2559 *ppsz_token = malloc( i_len + 1 );
2561 memcpy( *ppsz_token, *ppsz_path, i_len );
2563 (*ppsz_token)[i_len] = '\0';
2565 *ppsz_path += i_len;
2567 if( **ppsz_path == '[' )
2570 *pi_number = strtol( *ppsz_path, NULL, 10 );
2571 while( **ppsz_path && **ppsz_path != ']' )
2575 if( **ppsz_path == ']' )
2584 while( **ppsz_path == '/' )
2590 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2591 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2601 vasprintf( &psz_path, psz_fmt, args );
2603 if( !psz_path || !psz_path[0] )
2605 FREENULL( psz_path );
2610 // fprintf( stderr, "path:'%s'\n", psz_path );
2611 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2617 __get_token( &psz_path, &psz_token, &i_number );
2618 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2619 // psz_path,psz_token,i_number );
2622 FREENULL( psz_token );
2628 if( !strcmp( psz_token, "/" ) )
2631 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2633 p_box = p_box->p_father;
2644 if( !strcmp( psz_token, "." ) )
2649 if( !strcmp( psz_token, ".." ) )
2651 p_box = p_box->p_father;
2661 if( strlen( psz_token ) == 4 )
2664 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2665 psz_token[2], psz_token[3] );
2666 p_box = p_box->p_first;
2676 if( p_box->i_type == i_fourcc )
2684 p_box = p_box->p_next;
2688 if( strlen( psz_token ) == 0 )
2690 p_box = p_box->p_first;
2705 p_box = p_box->p_next;
2710 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2711 FREENULL( psz_token );
2721 /*****************************************************************************
2722 * MP4_BoxGet: find a box given a path relative to p_box
2723 *****************************************************************************
2724 * Path Format: . .. / as usual
2725 * [number] to specifie box number ex: trak[12]
2727 * ex: /moov/trak[12]
2729 *****************************************************************************/
2730 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2733 MP4_Box_t *p_result;
2735 va_start( args, psz_fmt );
2736 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2742 /*****************************************************************************
2743 * MP4_BoxCount: count box given a path relative to p_box
2744 *****************************************************************************
2745 * Path Format: . .. / as usual
2746 * [number] to specifie box number ex: trak[12]
2748 * ex: /moov/trak[12]
2750 *****************************************************************************/
2751 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2755 MP4_Box_t *p_result, *p_next;
2757 va_start( args, psz_fmt );
2758 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2766 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2768 if( p_next->i_type == p_result->i_type)