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_GETX_PRIVATE(dst, code, size) do { \
47 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
52 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
53 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
54 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
55 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
56 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
57 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
58 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
60 #define MP4_GETVERSIONFLAGS( p_void ) \
61 MP4_GET1BYTE( p_void->i_version ); \
62 MP4_GET3BYTES( p_void->i_flags )
64 #define MP4_GETSTRINGZ( p_str ) \
65 if( (i_read > 0) && (p_peek[0]) ) \
67 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
68 p_str = calloc( sizeof(char), __i_copy__+1 ); \
69 if( __i_copy__ > 0 ) memcpy( p_str, p_peek, __i_copy__ ); \
70 p_str[__i_copy__] = 0; \
71 p_peek += __i_copy__ + 1; \
72 i_read -= __i_copy__ + 1; \
79 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
80 int64_t i_read = p_box->i_size; \
81 uint8_t *p_peek, *p_buff; \
82 int i_actually_read; \
83 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
87 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
88 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
93 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
94 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
95 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
101 #define MP4_READBOX_EXIT( i_code ) \
105 msg_Warn( p_stream, "Not enough data" ); \
111 * The input method HAVE to be seekable
115 static uint32_t Get24bBE( uint8_t *p )
117 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
120 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
122 memcpy( p_uuid, p_buff, 16 );
125 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
127 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
128 where XXXXXXXX is the fourcc */
129 /* FIXME implement this */
132 /* some functions for mp4 encoding of variables */
134 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
141 /* date begin at 1 jan 1904 */
142 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
144 i_day = i_date / ( 60*60*24);
145 i_hour = ( i_date /( 60*60 ) ) % 60;
146 i_min = ( i_date / 60 ) % 60;
148 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
151 /*****************************************************************************
153 *****************************************************************************/
154 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
157 /*****************************************************************************
158 * MP4_ReadBoxCommon : Load only common parameters for all boxes
159 *****************************************************************************
160 * p_box need to be an already allocated MP4_Box_t, and all data
161 * will only be peek not read
163 * RETURN : 0 if it fail, 1 otherwise
164 *****************************************************************************/
165 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
170 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
174 p_box->i_pos = stream_Tell( p_stream );
176 p_box->data.p_data = NULL;
177 p_box->p_father = NULL;
178 p_box->p_first = NULL;
179 p_box->p_last = NULL;
180 p_box->p_next = NULL;
182 MP4_GET4BYTES( p_box->i_shortsize );
183 MP4_GETFOURCC( p_box->i_type );
185 /* Now special case */
187 if( p_box->i_shortsize == 1 )
189 /* get the true size on 64 bits */
190 MP4_GET8BYTES( p_box->i_size );
194 p_box->i_size = p_box->i_shortsize;
195 /* XXX size of 0 means that the box extends to end of file */
198 if( p_box->i_type == FOURCC_uuid )
200 /* get extented type on 16 bytes */
201 GetUUID( &p_box->i_uuid, p_peek );
202 p_peek += 16; i_read -= 16;
206 CreateUUID( &p_box->i_uuid, p_box->i_type );
211 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
212 (char*)&p_box->i_type, p_box->i_size );
219 /*****************************************************************************
220 * MP4_NextBox : Go to the next box
221 *****************************************************************************
222 * if p_box == NULL, go to the next box in which we are( at the begining ).
223 *****************************************************************************/
224 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
230 MP4_ReadBoxCommon( p_stream, &box );
236 return 2; /* Box with infinite size */
239 if( p_box->p_father )
241 /* check if it's within p-father */
242 if( p_box->i_size + p_box->i_pos >=
243 p_box->p_father->i_size + p_box->p_father->i_pos )
245 msg_Dbg( p_stream, "out of bound child" );
246 return 0; /* out of bound */
249 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
257 /*****************************************************************************
258 * For all known box a loader is given,
259 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
260 * after called one of theses functions, file position is unknown
261 * you need to call MP4_GotoBox to go where you want
262 *****************************************************************************/
263 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
267 if( stream_Tell( p_stream ) + 8 >
268 (off_t)(p_container->i_pos + p_container->i_size) )
270 /* there is no box to load */
276 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
278 /* chain this box with the father and the other at same level */
279 if( !p_container->p_first ) p_container->p_first = p_box;
280 else p_container->p_last->p_next = p_box;
281 p_container->p_last = p_box;
283 } while( MP4_NextBox( p_stream, p_box ) == 1 );
288 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
290 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
292 /* container is empty, 8 stand for the first header in this box */
297 stream_Seek( p_stream, p_container->i_pos +
298 MP4_BOX_HEADERSIZE( p_container ) );
300 return MP4_ReadBoxContainerRaw( p_stream, p_container );
303 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
305 /* Up to now do nothing */
308 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
310 /* XXX sometime moov is hiden in a free box */
311 if( p_box->p_father &&
312 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
313 p_box->i_type == FOURCC_free )
319 i_read = stream_Peek( p_stream, &p_peek, 44 );
321 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
322 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
326 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
328 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
330 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
332 p_box->i_type = FOURCC_foov;
333 return MP4_ReadBoxContainer( p_stream, p_box );
340 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
345 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
347 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
349 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
350 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
352 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
355 p_box->data.p_ftyp->i_compatible_brands =
356 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
358 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
360 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
365 p_box->data.p_ftyp->i_compatible_brands = NULL;
368 MP4_READBOX_EXIT( 1 );
371 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
373 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
377 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
381 char s_creation_time[128];
382 char s_modification_time[128];
383 char s_duration[128];
385 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
387 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
389 if( p_box->data.p_mvhd->i_version )
391 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
392 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
393 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
394 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
398 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
399 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
400 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
401 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
404 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
405 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
408 for( i = 0; i < 2; i++ )
410 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
412 for( i = 0; i < 9; i++ )
414 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
416 for( i = 0; i < 6; i++ )
418 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
421 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
425 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
426 MP4_ConvertDate2Str( s_modification_time,
427 p_box->data.p_mvhd->i_modification_time );
428 if( p_box->data.p_mvhd->i_rate )
430 MP4_ConvertDate2Str( s_duration,
431 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
437 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
440 (uint32_t)p_box->data.p_mvhd->i_timescale,
442 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
443 (float)p_box->data.p_mvhd->i_volume / 256 ,
444 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
446 MP4_READBOX_EXIT( 1 );
449 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
453 char s_creation_time[128];
454 char s_modification_time[128];
455 char s_duration[128];
457 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
459 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
461 if( p_box->data.p_tkhd->i_version )
463 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
464 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
465 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
466 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
467 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
471 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
472 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
473 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
475 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
478 for( i = 0; i < 2; i++ )
480 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
482 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
483 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
484 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
485 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
487 for( i = 0; i < 9; i++ )
489 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
491 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
492 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
495 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
496 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
497 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
499 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
503 p_box->data.p_tkhd->i_track_ID,
504 p_box->data.p_tkhd->i_layer,
505 (float)p_box->data.p_tkhd->i_volume / 256 ,
506 (float)p_box->data.p_tkhd->i_width / 65536,
507 (float)p_box->data.p_tkhd->i_height / 65536 );
509 MP4_READBOX_EXIT( 1 );
513 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
518 char s_creation_time[128];
519 char s_modification_time[128];
520 char s_duration[128];
522 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
524 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
526 if( p_box->data.p_mdhd->i_version )
528 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
529 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
530 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
531 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
535 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
536 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
537 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
538 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
540 i_language = GetWBE( p_peek );
541 for( i = 0; i < 3; i++ )
543 p_box->data.p_mdhd->i_language[i] =
544 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
547 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
550 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
551 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
552 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
553 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
556 (uint32_t)p_box->data.p_mdhd->i_timescale,
558 p_box->data.p_mdhd->i_language[0],
559 p_box->data.p_mdhd->i_language[1],
560 p_box->data.p_mdhd->i_language[2] );
562 MP4_READBOX_EXIT( 1 );
566 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
570 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
572 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
574 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
575 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
577 MP4_GET4BYTES( i_reserved );
578 MP4_GET4BYTES( i_reserved );
579 MP4_GET4BYTES( i_reserved );
580 p_box->data.p_hdlr->psz_name = NULL;
584 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
586 /* Yes, I love .mp4 :( */
587 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
592 MP4_GET1BYTE( i_len );
593 i_copy = __MIN( i_read, i_len );
595 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
596 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
600 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
601 p_box->data.p_hdlr->psz_name[i_read] = '\0';
606 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
607 (char*)&p_box->data.p_hdlr->i_handler_type,
608 p_box->data.p_hdlr->psz_name );
611 MP4_READBOX_EXIT( 1 );
614 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
616 FREENULL( p_box->data.p_hdlr->psz_name );
619 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
623 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
625 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
627 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
628 for( i = 0; i < 3; i++ )
630 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
634 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
635 p_box->data.p_vmhd->i_graphics_mode,
636 p_box->data.p_vmhd->i_opcolor[0],
637 p_box->data.p_vmhd->i_opcolor[1],
638 p_box->data.p_vmhd->i_opcolor[2] );
640 MP4_READBOX_EXIT( 1 );
643 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
645 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
647 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
651 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
653 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
656 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
657 (float)p_box->data.p_smhd->i_balance / 256 );
659 MP4_READBOX_EXIT( 1 );
663 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
665 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
667 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
669 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
670 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
672 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
673 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
675 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
678 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
679 p_box->data.p_hmhd->i_max_PDU_size,
680 p_box->data.p_hmhd->i_avg_PDU_size,
681 p_box->data.p_hmhd->i_max_bitrate,
682 p_box->data.p_hmhd->i_avg_bitrate );
684 MP4_READBOX_EXIT( 1 );
687 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
689 MP4_READBOX_ENTER( MP4_Box_data_url_t );
691 MP4_GETVERSIONFLAGS( p_box->data.p_url );
692 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
695 msg_Dbg( p_stream, "read box: \"url\" url: %s",
696 p_box->data.p_url->psz_location );
699 MP4_READBOX_EXIT( 1 );
703 static void MP4_FreeBox_url( MP4_Box_t *p_box )
705 FREENULL( p_box->data.p_url->psz_location )
708 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
710 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
712 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
714 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
715 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
718 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
719 p_box->data.p_urn->psz_name,
720 p_box->data.p_urn->psz_location );
722 MP4_READBOX_EXIT( 1 );
724 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
726 FREENULL( p_box->data.p_urn->psz_name );
727 FREENULL( p_box->data.p_urn->psz_location );
731 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
733 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
735 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
737 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
739 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
740 MP4_ReadBoxContainerRaw( p_stream, p_box );
743 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
744 p_box->data.p_dref->i_entry_count );
747 MP4_READBOX_EXIT( 1 );
751 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
754 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
756 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
757 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
759 p_box->data.p_stts->i_sample_count =
760 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
761 p_box->data.p_stts->i_sample_delta =
762 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
764 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
766 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
767 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
771 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
772 p_box->data.p_stts->i_entry_count );
775 MP4_READBOX_EXIT( 1 );
778 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
780 FREENULL( p_box->data.p_stts->i_sample_count );
781 FREENULL( p_box->data.p_stts->i_sample_delta );
784 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
787 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
789 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
791 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
793 p_box->data.p_ctts->i_sample_count =
794 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
795 p_box->data.p_ctts->i_sample_offset =
796 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
798 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
800 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
801 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
805 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
806 p_box->data.p_ctts->i_entry_count );
809 MP4_READBOX_EXIT( 1 );
812 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
814 FREENULL( p_box->data.p_ctts->i_sample_count );
815 FREENULL( p_box->data.p_ctts->i_sample_offset );
818 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
821 unsigned int i_len = 0;
828 i_len = ( i_len << 7 ) + ( i_b&0x7f );
833 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
835 #define es_descriptor p_box->data.p_esds->es_descriptor
837 unsigned int i_flags;
840 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
842 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
845 MP4_GET1BYTE( i_type );
846 if( i_type == 0x03 ) /* MP4ESDescrTag */
848 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
851 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
855 MP4_GET2BYTES( es_descriptor.i_ES_ID );
856 MP4_GET1BYTE( i_flags );
857 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
858 es_descriptor.b_url = ( (i_flags&0x40) != 0);
859 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
861 es_descriptor.i_stream_priority = i_flags&0x1f;
862 if( es_descriptor.b_stream_dependence )
864 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
866 if( es_descriptor.b_url )
870 MP4_GET1BYTE( i_len );
871 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
872 memcpy( es_descriptor.psz_URL, p_peek, i_len );
873 es_descriptor.psz_URL[i_len] = 0;
879 es_descriptor.psz_URL = NULL;
881 if( es_descriptor.b_OCRstream )
883 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
885 MP4_GET1BYTE( i_type ); /* get next type */
888 if( i_type != 0x04)/* MP4DecConfigDescrTag */
890 es_descriptor.p_decConfigDescr = NULL;
891 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
894 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
897 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
901 es_descriptor.p_decConfigDescr =
902 malloc( sizeof( MP4_descriptor_decoder_config_t ));
904 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
905 MP4_GET1BYTE( i_flags );
906 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
907 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
908 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
909 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
910 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
911 MP4_GET1BYTE( i_type );
912 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
914 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
915 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
916 MP4_READBOX_EXIT( 1 );
919 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
922 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
926 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
927 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
928 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
931 MP4_READBOX_EXIT( 1 );
936 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
938 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
939 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
941 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
943 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
946 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
948 MP4_Box_data_avcC_t *p_avcC;
951 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
952 p_avcC = p_box->data.p_avcC;
954 p_avcC->i_avcC = i_read;
955 if( p_avcC->i_avcC > 0 )
957 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
958 memcpy( p_avcC->p_avcC, p_peek, i_read );
961 MP4_GET1BYTE( p_avcC->i_version );
962 MP4_GET1BYTE( p_avcC->i_profile );
963 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
964 MP4_GET1BYTE( p_avcC->i_level );
965 MP4_GET1BYTE( p_avcC->i_reserved1 );
966 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
967 p_avcC->i_reserved1 >>= 2;
969 MP4_GET1BYTE( p_avcC->i_reserved2 );
970 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
971 p_avcC->i_reserved2 >>= 5;
973 if( p_avcC->i_sps > 0 )
975 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
976 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
978 for( i = 0; i < p_avcC->i_sps; i++ )
980 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
981 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
982 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
984 p_peek += p_avcC->i_sps_length[i];
985 i_read -= p_avcC->i_sps_length[i];
989 MP4_GET1BYTE( p_avcC->i_pps );
990 if( p_avcC->i_pps > 0 )
992 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
993 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
995 for( i = 0; i < p_avcC->i_pps; i++ )
997 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
998 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
999 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1001 p_peek += p_avcC->i_pps_length[i];
1002 i_read -= p_avcC->i_pps_length[i];
1007 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1008 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1009 p_avcC->i_length_size,
1010 p_avcC->i_sps, p_avcC->i_pps );
1011 for( i = 0; i < p_avcC->i_sps; i++ )
1013 msg_Dbg( p_stream, " - sps[%d] length=%d",
1014 i, p_avcC->i_sps_length[i] );
1016 for( i = 0; i < p_avcC->i_pps; i++ )
1018 msg_Dbg( p_stream, " - pps[%d] length=%d",
1019 i, p_avcC->i_pps_length[i] );
1023 MP4_READBOX_EXIT( 1 );
1026 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1028 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1031 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1033 for( i = 0; i < p_avcC->i_sps; i++ )
1035 FREENULL( p_avcC->sps[i] );
1037 for( i = 0; i < p_avcC->i_pps; i++ )
1039 FREENULL( p_avcC->pps[i] );
1041 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1042 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1043 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1044 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1047 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1051 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1052 p_box->data.p_sample_soun->p_qt_description = NULL;
1054 /* Sanity check needed because the "wave" box does also contain an
1055 * "mp4a" box that we don't understand. */
1059 MP4_READBOX_EXIT( 1 );
1062 for( i = 0; i < 6 ; i++ )
1064 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1067 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1070 * XXX hack -> produce a copy of the nearly complete chunk
1074 p_box->data.p_sample_soun->i_qt_description = i_read;
1075 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1076 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1080 p_box->data.p_sample_soun->i_qt_description = 0;
1081 p_box->data.p_sample_soun->p_qt_description = NULL;
1084 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1085 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1086 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1090 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1091 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1093 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1095 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1097 /* SoundDescriptionV1 */
1098 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1099 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1100 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1101 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1105 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1106 "bytes/frame=%d bytes/sample=%d",
1107 p_box->data.p_sample_soun->i_sample_per_packet,
1108 p_box->data.p_sample_soun->i_bytes_per_packet,
1109 p_box->data.p_sample_soun->i_bytes_per_frame,
1110 p_box->data.p_sample_soun->i_bytes_per_sample );
1112 stream_Seek( p_stream, p_box->i_pos +
1113 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1115 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1117 /* SoundDescriptionV2 */
1118 double f_sample_rate;
1122 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1123 MP4_GET8BYTES( dummy );
1124 memcpy( &f_sample_rate, &dummy, 8 );
1126 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1127 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1128 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1130 MP4_GET4BYTES( i_channel );
1131 p_box->data.p_sample_soun->i_channelcount = i_channel;
1134 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1136 stream_Seek( p_stream, p_box->i_pos +
1137 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1141 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1142 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1143 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1144 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1146 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1148 stream_Seek( p_stream, p_box->i_pos +
1149 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1152 if( p_box->i_type == FOURCC_drms )
1154 p_box->data.p_sample_soun->p_drms =
1155 drms_alloc( p_stream->p_libvlc->psz_homedir );
1157 if( p_box->data.p_sample_soun->p_drms == NULL )
1159 msg_Err( p_stream, "drms_alloc() failed" );
1163 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1165 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1166 p_box->data.p_sample_soun->i_channelcount = 1;
1169 if( p_box->i_type == FOURCC_alac )
1171 if( p_box->data.p_sample_soun->p_qt_description )
1172 free( p_box->data.p_sample_soun->p_qt_description );
1174 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1175 p_box->data.p_sample_soun->i_qt_description = i_read;
1176 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1180 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1184 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1185 "sample size %d sample rate %f",
1186 p_box->data.p_sample_soun->i_channelcount,
1187 p_box->data.p_sample_soun->i_samplesize,
1188 (float)p_box->data.p_sample_soun->i_sampleratehi +
1189 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1192 MP4_READBOX_EXIT( 1 );
1196 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1198 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1200 if( p_box->i_type == FOURCC_drms )
1202 if( p_box->data.p_sample_soun->p_drms )
1204 drms_free( p_box->data.p_sample_soun->p_drms );
1210 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1214 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1216 for( i = 0; i < 6 ; i++ )
1218 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1221 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1224 * XXX hack -> produce a copy of the nearly complete chunk
1228 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1229 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1230 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1235 p_box->data.p_sample_vide->i_qt_image_description = 0;
1236 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1239 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1241 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1244 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1246 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1247 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1249 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1250 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1252 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1253 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1255 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1256 p_peek += 32; i_read -= 32;
1258 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1259 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1261 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1262 MP4_ReadBoxContainerRaw( p_stream, p_box );
1265 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1266 p_box->data.p_sample_vide->i_width,
1267 p_box->data.p_sample_vide->i_height,
1268 p_box->data.p_sample_vide->i_depth );
1271 MP4_READBOX_EXIT( 1 );
1275 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1277 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1280 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1282 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1283 MP4_ReadBoxContainerRaw( p_stream, p_box );
1287 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1291 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1293 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1294 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1296 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1298 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1303 /* FIXME search right signification */
1305 p_box->data.p_sample_text->i_justification_horizontal = 1;
1306 p_box->data.p_sample_text->i_justification_vertical = 1;
1308 case -1: // Flush Right
1309 p_box->data.p_sample_text->i_justification_horizontal = -1;
1310 p_box->data.p_sample_text->i_justification_vertical = -1;
1312 case -2: // Flush Left
1313 p_box->data.p_sample_text->i_justification_horizontal = 0;
1314 p_box->data.p_sample_text->i_justification_vertical = 0;
1316 case 0: // Flush Default
1318 p_box->data.p_sample_text->i_justification_horizontal = 1;
1319 p_box->data.p_sample_text->i_justification_vertical = -1;
1323 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1324 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1325 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1326 p_box->data.p_sample_text->i_background_color[3] = 0;
1328 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1329 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1331 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1334 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1336 MP4_READBOX_EXIT( 1 );
1339 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1341 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1343 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1344 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1346 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1348 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1350 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1351 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1353 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1354 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1355 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1356 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1358 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1359 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1360 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1361 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1364 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1366 MP4_READBOX_EXIT( 1 );
1371 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1372 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1374 FREENULL( p_box->data.p_sample_text->psz_text_name );
1379 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1382 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1384 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1386 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1388 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1390 MP4_ReadBoxContainerRaw( p_stream, p_box );
1393 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1394 p_box->data.p_stsd->i_entry_count );
1397 MP4_READBOX_EXIT( 1 );
1401 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1405 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1407 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1409 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1411 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1413 p_box->data.p_stsz->i_entry_size =
1414 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1416 if( !p_box->data.p_stsz->i_sample_size )
1418 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1420 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1425 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1426 p_box->data.p_stsz->i_sample_size,
1427 p_box->data.p_stsz->i_sample_count );
1430 MP4_READBOX_EXIT( 1 );
1433 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1435 FREENULL( p_box->data.p_stsz->i_entry_size );
1438 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1442 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1444 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1446 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1448 p_box->data.p_stsc->i_first_chunk =
1449 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1450 p_box->data.p_stsc->i_samples_per_chunk =
1451 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1452 p_box->data.p_stsc->i_sample_description_index =
1453 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1455 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1457 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1458 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1459 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1463 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1464 p_box->data.p_stsc->i_entry_count );
1467 MP4_READBOX_EXIT( 1 );
1470 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1472 FREENULL( p_box->data.p_stsc->i_first_chunk );
1473 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1474 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1477 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1481 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1483 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1485 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1487 p_box->data.p_co64->i_chunk_offset =
1488 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1490 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1492 if( p_box->i_type == FOURCC_stco )
1498 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1506 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1511 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1512 p_box->data.p_co64->i_entry_count );
1515 MP4_READBOX_EXIT( 1 );
1518 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1520 FREENULL( p_box->data.p_co64->i_chunk_offset );
1523 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1527 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1529 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1531 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1533 p_box->data.p_stss->i_sample_number =
1534 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1536 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1539 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1540 /* XXX in libmp4 sample begin at 0 */
1541 p_box->data.p_stss->i_sample_number[i]--;
1545 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1546 p_box->data.p_stss->i_entry_count );
1549 MP4_READBOX_EXIT( 1 );
1552 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1554 FREENULL( p_box->data.p_stss->i_sample_number )
1557 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1561 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1563 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1566 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1568 p_box->data.p_stsh->i_shadowed_sample_number =
1569 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1571 p_box->data.p_stsh->i_sync_sample_number =
1572 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1575 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1578 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1579 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1583 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1584 p_box->data.p_stsh->i_entry_count );
1586 MP4_READBOX_EXIT( 1 );
1589 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1591 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1592 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1596 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1600 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1602 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1604 p_box->data.p_stdp->i_priority =
1605 calloc( sizeof( uint16_t ), i_read / 2 );
1607 for( i = 0; i < i_read / 2 ; i++ )
1610 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1614 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1618 MP4_READBOX_EXIT( 1 );
1621 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1623 FREENULL( p_box->data.p_stdp->i_priority )
1626 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1630 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1632 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1635 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1637 p_box->data.p_padb->i_reserved1 =
1638 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1639 p_box->data.p_padb->i_pad2 =
1640 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1641 p_box->data.p_padb->i_reserved2 =
1642 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1643 p_box->data.p_padb->i_pad1 =
1644 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1647 for( i = 0; i < i_read / 2 ; i++ )
1649 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1650 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1651 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1652 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1654 p_peek += 1; i_read -= 1;
1658 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1662 MP4_READBOX_EXIT( 1 );
1665 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1667 FREENULL( p_box->data.p_padb->i_reserved1 );
1668 FREENULL( p_box->data.p_padb->i_pad2 );
1669 FREENULL( p_box->data.p_padb->i_reserved2 );
1670 FREENULL( p_box->data.p_padb->i_pad1 );
1673 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1677 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1679 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1682 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1684 p_box->data.p_elst->i_segment_duration =
1685 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1686 p_box->data.p_elst->i_media_time =
1687 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1688 p_box->data.p_elst->i_media_rate_integer =
1689 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1690 p_box->data.p_elst->i_media_rate_fraction=
1691 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1694 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1696 if( p_box->data.p_elst->i_version == 1 )
1699 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1701 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1706 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1708 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1709 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1712 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1713 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1717 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd, p_box->data.p_elst->i_entry_count );
1719 MP4_READBOX_EXIT( 1 );
1722 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1724 FREENULL( p_box->data.p_elst->i_segment_duration );
1725 FREENULL( p_box->data.p_elst->i_media_time );
1726 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1727 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1730 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1732 unsigned int i_language;
1735 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1737 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1739 i_language = GetWBE( p_peek );
1740 for( i = 0; i < 3; i++ )
1742 p_box->data.p_cprt->i_language[i] =
1743 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1745 p_peek += 2; i_read -= 2;
1746 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1749 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1750 p_box->data.p_cprt->i_language[0],
1751 p_box->data.p_cprt->i_language[1],
1752 p_box->data.p_cprt->i_language[2],
1753 p_box->data.p_cprt->psz_notice );
1756 MP4_READBOX_EXIT( 1 );
1759 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1761 FREENULL( p_box->data.p_cprt->psz_notice );
1765 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1767 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1769 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1772 "read box: \"dcom\" compression algorithm : %4.4s",
1773 (char*)&p_box->data.p_dcom->i_algorithm );
1775 MP4_READBOX_EXIT( 1 );
1778 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1780 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1782 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1784 p_box->data.p_cmvd->i_compressed_size = i_read;
1786 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1788 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1792 /* now copy compressed data */
1793 memcpy( p_box->data.p_cmvd->p_data,
1797 p_box->data.p_cmvd->b_compressed = 1;
1800 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1801 p_box->data.p_cmvd->i_compressed_size );
1804 MP4_READBOX_EXIT( 1 );
1806 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1808 FREENULL( p_box->data.p_cmvd->p_data );
1812 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1818 stream_t *p_stream_memory;
1824 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1826 msg_Err( p_stream, "out of memory" );
1829 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1831 if( !p_box->p_father ||
1832 ( p_box->p_father->i_type != FOURCC_moov &&
1833 p_box->p_father->i_type != FOURCC_foov ) )
1835 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1839 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1844 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1845 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1846 p_cmvd->data.p_cmvd->p_data == NULL )
1848 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1852 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1854 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1855 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1860 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1864 /* decompress data */
1865 /* allocate a new buffer */
1866 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1868 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1869 "uncompress data" );
1872 /* init default structures */
1873 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1874 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1875 z_data.next_out = p_data;
1876 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1877 z_data.zalloc = (alloc_func)Z_NULL;
1878 z_data.zfree = (free_func)Z_NULL;
1879 z_data.opaque = (voidpf)Z_NULL;
1882 if( inflateInit( &z_data ) != Z_OK )
1884 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1890 i_result = inflate( &z_data, Z_NO_FLUSH );
1891 if( i_result != Z_OK && i_result != Z_STREAM_END )
1893 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1898 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1900 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1903 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1906 if( inflateEnd( &z_data ) != Z_OK )
1908 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1912 free( p_cmvd->data.p_cmvd->p_data );
1913 p_cmvd->data.p_cmvd->p_data = p_data;
1914 p_cmvd->data.p_cmvd->b_compressed = 0;
1916 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1918 /* now create a memory stream */
1920 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1921 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1923 /* and read uncompressd moov */
1924 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1926 stream_Delete( p_stream_memory );
1929 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1932 return p_box->data.p_cmov->p_moov ? 1 : 0;
1933 #endif /* HAVE_ZLIB_H */
1936 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1939 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1941 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1942 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1943 MP4_GET4BYTES( i_len );
1947 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1948 for( i = 0; i < i_len; i++ )
1950 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1952 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1956 p_box->data.p_rdrf->psz_ref = NULL;
1961 "read box: \"rdrf\" type:%4.4s ref %s",
1962 (char*)&p_box->data.p_rdrf->i_ref_type,
1963 p_box->data.p_rdrf->psz_ref );
1966 MP4_READBOX_EXIT( 1 );
1969 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1971 FREENULL( p_box->data.p_rdrf->psz_ref )
1975 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1977 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1979 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1981 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1985 "read box: \"rmdr\" rate:%d",
1986 p_box->data.p_rmdr->i_rate );
1988 MP4_READBOX_EXIT( 1 );
1991 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1993 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1995 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1999 "read box: \"rmqu\" quality:%d",
2000 p_box->data.p_rmqu->i_quality );
2002 MP4_READBOX_EXIT( 1 );
2005 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2007 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2008 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2010 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2011 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2012 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2013 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2017 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2018 (char*)&p_box->data.p_rmvc->i_gestaltType,
2019 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2020 p_box->data.p_rmvc->i_checkType );
2023 MP4_READBOX_EXIT( 1 );
2026 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2028 MP4_Box_t *p_drms_box = p_box;
2030 MP4_READBOX_ENTER( uint8_t );
2034 p_drms_box = p_drms_box->p_father;
2035 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2037 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2040 if( config_GetInt( p_stream, "france" ) )
2046 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2047 p_box->i_type, p_peek, i_read );
2051 const char *psz_error;
2055 case -1: psz_error = "unimplemented"; break;
2056 case -2: psz_error = "invalid argument"; break;
2057 case -3: psz_error = "could not get system key"; break;
2058 case -4: psz_error = "could not get SCI data"; break;
2059 case -5: psz_error = "no user key found in SCI data"; break;
2060 case -6: psz_error = "invalid user key"; break;
2061 case -7: psz_error = "you live in France"; break;
2062 default: psz_error = "unknown error"; break;
2065 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2066 (char *)&p_box->i_type, psz_error );
2068 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2069 p_drms_box->data.p_sample_soun->p_drms = NULL;
2073 MP4_READBOX_EXIT( 1 );
2076 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2078 uint16_t i_length, i_dummy;
2080 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2082 p_box->data.p_0xa9xxx->psz_text = NULL;
2084 MP4_GET2BYTES( i_length );
2088 MP4_GET2BYTES( i_dummy );
2089 if( i_length > i_read ) i_length = i_read;
2091 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2093 memcpy( p_box->data.p_0xa9xxx->psz_text,
2095 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2099 "read box: \"%4.4s\" text=`%s'",
2100 (char*)&p_box->i_type,
2101 p_box->data.p_0xa9xxx->psz_text );
2106 /* try iTune/Quicktime format, rewind to start */
2107 p_peek -= 2; i_read += 2;
2108 // we are expecting a 'data' box
2109 uint32_t i_data_len;
2110 uint32_t i_data_tag;
2112 MP4_GET4BYTES( i_data_len );
2113 if( i_data_len > i_read ) i_data_len = i_read;
2114 MP4_GETFOURCC( i_data_tag );
2115 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2117 /* data box contains a version/flags field */
2119 uint32_t i_reserved;
2120 MP4_GET4BYTES( i_version );
2121 MP4_GET4BYTES( i_reserved );
2122 // version should be 0, flags should be 1 for text, 0 for data
2123 if( i_version == 0x00000001 )
2125 // the rest is the text
2127 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2129 memcpy( p_box->data.p_0xa9xxx->psz_text,
2130 p_peek, i_data_len );
2131 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2134 "read box: \"%4.4s\" text=`%s'",
2135 (char*)&p_box->i_type,
2136 p_box->data.p_0xa9xxx->psz_text );
2141 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2146 MP4_READBOX_EXIT( 1 );
2148 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2150 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2153 /* Chapter support */
2154 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2156 MP4_Box_data_chpl_t *p_chpl;
2159 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2161 p_chpl = p_box->data.p_chpl;
2163 MP4_GETVERSIONFLAGS( p_chpl );
2165 MP4_GET4BYTES( i_dummy );
2167 MP4_GET1BYTE( p_chpl->i_chapter );
2169 for( i = 0; i < p_chpl->i_chapter; i++ )
2174 MP4_GET8BYTES( i_start );
2175 MP4_GET1BYTE( i_len );
2177 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2178 i_copy = __MIN( i_len, i_read );
2180 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2181 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2182 p_chpl->chapter[i].i_start = i_start;
2187 /* Bubble sort by increasing start date */
2190 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2192 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2194 char *psz = p_chpl->chapter[i+1].psz_name;
2195 int64_t i64 = p_chpl->chapter[i+1].i_start;
2197 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2198 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2200 p_chpl->chapter[i].psz_name = psz;
2201 p_chpl->chapter[i].i_start = i64;
2210 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2211 p_chpl->i_chapter );
2213 MP4_READBOX_EXIT( 1 );
2215 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2217 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2219 for( i = 0; i < p_chpl->i_chapter; i++ )
2220 free( p_chpl->chapter[i].psz_name );
2223 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2225 uint8_t meta_data[8];
2226 int i_actually_read;
2228 // skip over box header
2229 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2230 if( i_actually_read < 8 )
2233 /* meta content starts with a 4 byte version/flags value (should be 0) */
2234 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2235 if( i_actually_read < 4 )
2238 /* then it behaves like a container */
2239 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2243 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2245 if( !p_box->p_father )
2249 if( p_box->p_father->i_type == FOURCC_stsd )
2251 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2254 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2255 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2259 switch( p_hdlr->data.p_hdlr->i_handler_type )
2262 return MP4_ReadBox_sample_soun( p_stream, p_box );
2264 return MP4_ReadBox_sample_vide( p_stream, p_box );
2266 return MP4_ReadBox_sample_text( p_stream, p_box );
2268 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2271 "unknown handler type in stsd (uncompletetly loaded)" );
2278 "unknown box type %4.4s (uncompletetly loaded)",
2279 (char*)&p_box->i_type );
2284 /**** ------------------------------------------------------------------- ****/
2285 /**** "Higher level" Functions ****/
2286 /**** ------------------------------------------------------------------- ****/
2291 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2292 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2293 } MP4_Box_Function [] =
2296 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2297 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2298 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2299 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2300 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2301 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2302 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2303 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2304 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2305 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2306 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2307 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2308 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2309 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2310 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2311 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2312 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2315 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2316 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2317 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2318 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2319 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2320 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2321 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2322 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2323 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2324 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2325 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2326 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2327 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2328 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2329 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2330 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2331 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2332 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2333 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2334 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2335 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2336 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2337 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2338 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2339 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2340 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2341 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2342 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2343 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2345 /* Nothing to do with this box */
2346 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2347 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2348 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2349 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2352 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2353 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2354 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2355 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2356 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2357 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2358 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2359 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2360 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2361 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2362 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2363 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2364 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2365 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2366 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2367 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2368 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2369 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2370 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2371 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2372 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2373 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2374 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2376 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2377 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2378 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2379 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2380 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2381 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2382 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2383 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2384 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2385 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2386 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2387 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2388 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2389 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2390 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2391 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2392 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2393 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2394 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2395 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2396 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2397 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2398 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2400 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2401 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2403 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2404 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2405 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2406 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2407 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2409 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2410 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2412 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2413 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2415 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2417 /* XXX there is 2 box where we could find this entry stbl and tref*/
2418 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2420 /* found in tref box */
2421 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2422 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2423 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2426 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2429 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2430 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2431 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2432 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2434 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2435 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2436 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2437 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2438 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2439 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2440 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2441 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2444 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2445 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2446 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2447 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2448 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2449 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2450 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2451 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2452 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2453 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2454 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2455 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2456 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2457 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2458 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2459 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2460 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2461 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2462 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2463 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2464 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2465 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2466 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2467 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2468 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2470 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2472 /* iTunes/Quicktime meta info */
2473 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2476 { 0, MP4_ReadBox_default, NULL }
2481 /*****************************************************************************
2482 * MP4_ReadBox : parse the actual box and the children
2483 * XXX : Do not go to the next box
2484 *****************************************************************************/
2485 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2487 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2488 unsigned int i_index;
2490 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2492 msg_Warn( p_stream, "cannot read one box" );
2496 if( !p_box->i_size )
2498 msg_Dbg( p_stream, "found an empty box (null size)" );
2502 p_box->p_father = p_father;
2504 /* Now search function to call */
2505 for( i_index = 0; ; i_index++ )
2507 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2508 ( MP4_Box_Function[i_index].i_type == 0 ) )
2514 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2523 /*****************************************************************************
2524 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2526 *****************************************************************************/
2527 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2529 unsigned int i_index;
2537 for( p_child = p_box->p_first; p_child != NULL; )
2541 p_next = p_child->p_next;
2542 MP4_BoxFree( s, p_child );
2546 /* Now search function to call */
2547 if( p_box->data.p_data )
2549 for( i_index = 0; ; i_index++ )
2551 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2552 ( MP4_Box_Function[i_index].i_type == 0 ) )
2557 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2559 /* Should not happen */
2561 "cannot free box %4.4s, type unknown",
2562 (char*)&p_box->i_type );
2566 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2569 free( p_box->data.p_data );
2575 /*****************************************************************************
2576 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2577 *****************************************************************************
2578 * The first box is a virtual box "root" and is the father for all first
2579 * level boxes for the file, a sort of virtual contener
2580 *****************************************************************************/
2581 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2587 p_root = malloc( sizeof( MP4_Box_t ) );
2589 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2590 p_root->i_shortsize = 1;
2591 p_root->i_size = stream_Size( s );
2592 CreateUUID( &p_root->i_uuid, p_root->i_type );
2594 p_root->data.p_data = NULL;
2595 p_root->p_father = NULL;
2596 p_root->p_first = NULL;
2597 p_root->p_last = NULL;
2598 p_root->p_next = NULL;
2602 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2610 /* check if there is a cmov, if so replace
2611 compressed moov by uncompressed one */
2612 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2613 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2614 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2615 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2617 /* rename the compressed moov as a box to skip */
2618 p_moov->i_type = FOURCC_skip;
2620 /* get uncompressed p_moov */
2621 p_moov = p_cmov->data.p_cmov->p_moov;
2622 p_cmov->data.p_cmov->p_moov = NULL;
2624 /* make p_root father of this new moov */
2625 p_moov->p_father = p_root;
2627 /* insert this new moov box as first child of p_root */
2628 p_moov->p_next = p_child = p_root->p_first;
2629 p_root->p_first = p_moov;
2637 static void __MP4_BoxDumpStructure( stream_t *s,
2638 MP4_Box_t *p_box, unsigned int i_level )
2644 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2645 (char*)&p_box->i_type );
2651 memset( str, (uint8_t)' ', 512 );
2652 for( i = 0; i < i_level; i++ )
2656 sprintf( str + i_level * 5, "+ %4.4s size %d",
2657 (char*)&p_box->i_type,
2658 (uint32_t)p_box->i_size );
2660 msg_Dbg( s, "%s", str );
2662 p_child = p_box->p_first;
2665 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2666 p_child = p_child->p_next;
2670 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2672 __MP4_BoxDumpStructure( s, p_box, 0 );
2677 /*****************************************************************************
2678 *****************************************************************************
2680 ** High level methods to acces an MP4 file
2682 *****************************************************************************
2683 *****************************************************************************/
2684 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2687 if( !*ppsz_path[0] )
2694 while( (*ppsz_path)[i_len] &&
2695 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2699 if( !i_len && **ppsz_path == '/' )
2703 *ppsz_token = malloc( i_len + 1 );
2705 memcpy( *ppsz_token, *ppsz_path, i_len );
2707 (*ppsz_token)[i_len] = '\0';
2709 *ppsz_path += i_len;
2711 if( **ppsz_path == '[' )
2714 *pi_number = strtol( *ppsz_path, NULL, 10 );
2715 while( **ppsz_path && **ppsz_path != ']' )
2719 if( **ppsz_path == ']' )
2728 while( **ppsz_path == '/' )
2734 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2735 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2746 vasprintf( &psz_path, psz_fmt, args );
2748 if( !psz_path || !psz_path[0] )
2750 FREENULL( psz_path );
2755 // fprintf( stderr, "path:'%s'\n", psz_path );
2756 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2762 __get_token( &psz_path, &psz_token, &i_number );
2763 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2764 // psz_path,psz_token,i_number );
2767 FREENULL( psz_token );
2773 if( !strcmp( psz_token, "/" ) )
2776 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2778 p_box = p_box->p_father;
2789 if( !strcmp( psz_token, "." ) )
2794 if( !strcmp( psz_token, ".." ) )
2796 p_box = p_box->p_father;
2806 if( strlen( psz_token ) == 4 )
2809 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2810 psz_token[2], psz_token[3] );
2811 p_box = p_box->p_first;
2821 if( p_box->i_type == i_fourcc )
2829 p_box = p_box->p_next;
2833 if( strlen( psz_token ) == 0 )
2835 p_box = p_box->p_first;
2850 p_box = p_box->p_next;
2855 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2856 FREENULL( psz_token );
2866 /*****************************************************************************
2867 * MP4_BoxGet: find a box given a path relative to p_box
2868 *****************************************************************************
2869 * Path Format: . .. / as usual
2870 * [number] to specifie box number ex: trak[12]
2872 * ex: /moov/trak[12]
2874 *****************************************************************************/
2875 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2878 MP4_Box_t *p_result;
2880 va_start( args, psz_fmt );
2881 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2887 /*****************************************************************************
2888 * MP4_BoxCount: count box given a path relative to p_box
2889 *****************************************************************************
2890 * Path Format: . .. / as usual
2891 * [number] to specifie box number ex: trak[12]
2893 * ex: /moov/trak[12]
2895 *****************************************************************************/
2896 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2900 MP4_Box_t *p_result, *p_next;
2902 va_start( args, psz_fmt );
2903 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2911 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2913 if( p_next->i_type == p_result->i_type)