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 p_str = calloc( sizeof( char ), __MIN( strlen( (char*)p_peek ), i_read )+1);\
68 memcpy( p_str, p_peek, __MIN( strlen( (char*)p_peek ), i_read ) ); \
69 p_str[__MIN( strlen( (char*)p_peek ), i_read )] = 0; \
70 p_peek += strlen( (char *)p_str ) + 1; \
71 i_read -= strlen( (char *)p_str ) + 1; \
78 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
79 int64_t i_read = p_box->i_size; \
80 uint8_t *p_peek, *p_buff; \
81 int i_actually_read; \
82 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
86 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
87 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
92 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
93 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
94 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
100 #define MP4_READBOX_EXIT( i_code ) \
104 msg_Warn( p_stream, "Not enough data" ); \
110 * The input method HAVE to be seekable
114 static uint32_t Get24bBE( uint8_t *p )
116 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
119 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
121 memcpy( p_uuid, p_buff, 16 );
124 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
126 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
127 where XXXXXXXX is the fourcc */
128 /* FIXME implement this */
131 /* some functions for mp4 encoding of variables */
133 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
140 /* date begin at 1 jan 1904 */
141 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
143 i_day = i_date / ( 60*60*24);
144 i_hour = ( i_date /( 60*60 ) ) % 60;
145 i_min = ( i_date / 60 ) % 60;
147 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
150 /*****************************************************************************
152 *****************************************************************************/
153 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
156 /*****************************************************************************
157 * MP4_ReadBoxCommon : Load only common parameters for all boxes
158 *****************************************************************************
159 * p_box need to be an already allocated MP4_Box_t, and all data
160 * will only be peek not read
162 * RETURN : 0 if it fail, 1 otherwise
163 *****************************************************************************/
164 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
169 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
173 p_box->i_pos = stream_Tell( p_stream );
175 p_box->data.p_data = NULL;
176 p_box->p_father = NULL;
177 p_box->p_first = NULL;
178 p_box->p_last = NULL;
179 p_box->p_next = NULL;
181 MP4_GET4BYTES( p_box->i_shortsize );
182 MP4_GETFOURCC( p_box->i_type );
184 /* Now special case */
186 if( p_box->i_shortsize == 1 )
188 /* get the true size on 64 bits */
189 MP4_GET8BYTES( p_box->i_size );
193 p_box->i_size = p_box->i_shortsize;
194 /* XXX size of 0 means that the box extends to end of file */
197 if( p_box->i_type == FOURCC_uuid )
199 /* get extented type on 16 bytes */
200 GetUUID( &p_box->i_uuid, p_peek );
201 p_peek += 16; i_read -= 16;
205 CreateUUID( &p_box->i_uuid, p_box->i_type );
210 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
211 (char*)&p_box->i_type, p_box->i_size );
218 /*****************************************************************************
219 * MP4_NextBox : Go to the next box
220 *****************************************************************************
221 * if p_box == NULL, go to the next box in which we are( at the begining ).
222 *****************************************************************************/
223 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
229 MP4_ReadBoxCommon( p_stream, &box );
235 return 2; /* Box with infinite size */
238 if( p_box->p_father )
240 /* check if it's within p-father */
241 if( p_box->i_size + p_box->i_pos >=
242 p_box->p_father->i_size + p_box->p_father->i_pos )
244 msg_Dbg( p_stream, "out of bound child" );
245 return 0; /* out of bound */
248 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
256 /*****************************************************************************
257 * For all known box a loader is given,
258 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
259 * after called one of theses functions, file position is unknown
260 * you need to call MP4_GotoBox to go where you want
261 *****************************************************************************/
262 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
266 if( stream_Tell( p_stream ) + 8 >
267 (off_t)(p_container->i_pos + p_container->i_size) )
269 /* there is no box to load */
275 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
277 /* chain this box with the father and the other at same level */
278 if( !p_container->p_first ) p_container->p_first = p_box;
279 else p_container->p_last->p_next = p_box;
280 p_container->p_last = p_box;
282 } while( MP4_NextBox( p_stream, p_box ) == 1 );
287 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
289 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
291 /* container is empty, 8 stand for the first header in this box */
296 stream_Seek( p_stream, p_container->i_pos +
297 MP4_BOX_HEADERSIZE( p_container ) );
299 return MP4_ReadBoxContainerRaw( p_stream, p_container );
302 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
304 /* Up to now do nothing */
307 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
309 /* XXX sometime moov is hiden in a free box */
310 if( p_box->p_father &&
311 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
312 p_box->i_type == FOURCC_free )
318 i_read = stream_Peek( p_stream, &p_peek, 44 );
320 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
321 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
325 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
327 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
329 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
331 p_box->i_type = FOURCC_foov;
332 return MP4_ReadBoxContainer( p_stream, p_box );
339 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
344 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
346 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
348 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
349 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
351 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
354 p_box->data.p_ftyp->i_compatible_brands =
355 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
357 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
359 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
364 p_box->data.p_ftyp->i_compatible_brands = NULL;
367 MP4_READBOX_EXIT( 1 );
370 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
372 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
376 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
380 char s_creation_time[128];
381 char s_modification_time[128];
382 char s_duration[128];
384 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
386 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
388 if( p_box->data.p_mvhd->i_version )
390 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
391 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
392 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
393 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
397 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
398 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
399 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
400 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
402 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
403 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
404 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
407 for( i = 0; i < 2; i++ )
409 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
411 for( i = 0; i < 9; i++ )
413 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
415 for( i = 0; i < 6; i++ )
417 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
420 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
424 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
425 MP4_ConvertDate2Str( s_modification_time,
426 p_box->data.p_mvhd->i_modification_time );
427 if( p_box->data.p_mvhd->i_rate )
429 MP4_ConvertDate2Str( s_duration,
430 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
436 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
439 (uint32_t)p_box->data.p_mvhd->i_timescale,
441 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
442 (float)p_box->data.p_mvhd->i_volume / 256 ,
443 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
445 MP4_READBOX_EXIT( 1 );
448 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
452 char s_creation_time[128];
453 char s_modification_time[128];
454 char s_duration[128];
456 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
458 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
460 if( p_box->data.p_tkhd->i_version )
462 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
463 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
464 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
465 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
466 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
470 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
471 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
472 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
473 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
477 for( i = 0; i < 2; i++ )
479 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
481 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
482 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
483 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
484 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
486 for( i = 0; i < 9; i++ )
488 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
490 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
491 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
494 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
495 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
496 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
498 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
502 p_box->data.p_tkhd->i_track_ID,
503 p_box->data.p_tkhd->i_layer,
504 (float)p_box->data.p_tkhd->i_volume / 256 ,
505 (float)p_box->data.p_tkhd->i_width / 65536,
506 (float)p_box->data.p_tkhd->i_height / 65536 );
508 MP4_READBOX_EXIT( 1 );
512 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
517 char s_creation_time[128];
518 char s_modification_time[128];
519 char s_duration[128];
521 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
523 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
525 if( p_box->data.p_mdhd->i_version )
527 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
528 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
529 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
530 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
534 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
535 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
536 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
537 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
539 i_language = GetWBE( p_peek );
540 for( i = 0; i < 3; i++ )
542 p_box->data.p_mdhd->i_language[i] =
543 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
546 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
549 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
550 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
551 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
552 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
555 (uint32_t)p_box->data.p_mdhd->i_timescale,
557 p_box->data.p_mdhd->i_language[0],
558 p_box->data.p_mdhd->i_language[1],
559 p_box->data.p_mdhd->i_language[2] );
561 MP4_READBOX_EXIT( 1 );
565 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
569 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
571 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
573 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
574 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
576 MP4_GET4BYTES( i_reserved );
577 MP4_GET4BYTES( i_reserved );
578 MP4_GET4BYTES( i_reserved );
579 p_box->data.p_hdlr->psz_name = NULL;
583 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
585 /* Yes, I love .mp4 :( */
586 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
591 MP4_GET1BYTE( i_len );
592 i_copy = __MIN( i_read, i_len );
594 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
595 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
599 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
600 p_box->data.p_hdlr->psz_name[i_read] = '\0';
605 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
606 (char*)&p_box->data.p_hdlr->i_handler_type,
607 p_box->data.p_hdlr->psz_name );
610 MP4_READBOX_EXIT( 1 );
613 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
615 FREENULL( p_box->data.p_hdlr->psz_name );
618 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
622 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
624 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
626 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
627 for( i = 0; i < 3; i++ )
629 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
633 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
634 p_box->data.p_vmhd->i_graphics_mode,
635 p_box->data.p_vmhd->i_opcolor[0],
636 p_box->data.p_vmhd->i_opcolor[1],
637 p_box->data.p_vmhd->i_opcolor[2] );
639 MP4_READBOX_EXIT( 1 );
642 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
644 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
646 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
650 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
652 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
655 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
656 (float)p_box->data.p_smhd->i_balance / 256 );
658 MP4_READBOX_EXIT( 1 );
662 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
664 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
666 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
668 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
669 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
671 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
672 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
674 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
677 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
678 p_box->data.p_hmhd->i_max_PDU_size,
679 p_box->data.p_hmhd->i_avg_PDU_size,
680 p_box->data.p_hmhd->i_max_bitrate,
681 p_box->data.p_hmhd->i_avg_bitrate );
683 MP4_READBOX_EXIT( 1 );
686 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
688 MP4_READBOX_ENTER( MP4_Box_data_url_t );
690 MP4_GETVERSIONFLAGS( p_box->data.p_url );
691 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
694 msg_Dbg( p_stream, "read box: \"url\" url: %s",
695 p_box->data.p_url->psz_location );
698 MP4_READBOX_EXIT( 1 );
702 static void MP4_FreeBox_url( MP4_Box_t *p_box )
704 FREENULL( p_box->data.p_url->psz_location )
707 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
709 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
711 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
713 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
714 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
717 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
718 p_box->data.p_urn->psz_name,
719 p_box->data.p_urn->psz_location );
721 MP4_READBOX_EXIT( 1 );
723 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
725 FREENULL( p_box->data.p_urn->psz_name );
726 FREENULL( p_box->data.p_urn->psz_location );
730 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
732 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
734 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
736 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
738 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
739 MP4_ReadBoxContainerRaw( p_stream, p_box );
742 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
743 p_box->data.p_dref->i_entry_count );
746 MP4_READBOX_EXIT( 1 );
750 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
753 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
755 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
756 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
758 p_box->data.p_stts->i_sample_count =
759 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
760 p_box->data.p_stts->i_sample_delta =
761 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
763 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
765 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
766 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
770 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
771 p_box->data.p_stts->i_entry_count );
774 MP4_READBOX_EXIT( 1 );
777 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
779 FREENULL( p_box->data.p_stts->i_sample_count );
780 FREENULL( p_box->data.p_stts->i_sample_delta );
783 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
786 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
788 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
790 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
792 p_box->data.p_ctts->i_sample_count =
793 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
794 p_box->data.p_ctts->i_sample_offset =
795 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
797 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
799 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
800 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
804 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
805 p_box->data.p_ctts->i_entry_count );
808 MP4_READBOX_EXIT( 1 );
811 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
813 FREENULL( p_box->data.p_ctts->i_sample_count );
814 FREENULL( p_box->data.p_ctts->i_sample_offset );
817 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
820 unsigned int i_len = 0;
827 i_len = ( i_len << 7 ) + ( i_b&0x7f );
832 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
834 #define es_descriptor p_box->data.p_esds->es_descriptor
836 unsigned int i_flags;
839 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
841 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
844 MP4_GET1BYTE( i_type );
845 if( i_type == 0x03 ) /* MP4ESDescrTag */
847 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
850 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
854 MP4_GET2BYTES( es_descriptor.i_ES_ID );
855 MP4_GET1BYTE( i_flags );
856 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
857 es_descriptor.b_url = ( (i_flags&0x40) != 0);
858 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
860 es_descriptor.i_stream_priority = i_flags&0x1f;
861 if( es_descriptor.b_stream_dependence )
863 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
865 if( es_descriptor.b_url )
869 MP4_GET1BYTE( i_len );
870 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
871 memcpy( es_descriptor.psz_URL, p_peek, i_len );
872 es_descriptor.psz_URL[i_len] = 0;
878 es_descriptor.psz_URL = NULL;
880 if( es_descriptor.b_OCRstream )
882 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
884 MP4_GET1BYTE( i_type ); /* get next type */
887 if( i_type != 0x04)/* MP4DecConfigDescrTag */
889 es_descriptor.p_decConfigDescr = NULL;
890 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
893 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
896 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
900 es_descriptor.p_decConfigDescr =
901 malloc( sizeof( MP4_descriptor_decoder_config_t ));
903 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
904 MP4_GET1BYTE( i_flags );
905 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
906 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
907 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
908 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
909 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
910 MP4_GET1BYTE( i_type );
911 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
913 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
914 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
915 MP4_READBOX_EXIT( 1 );
918 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
921 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
925 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
926 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
927 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
930 MP4_READBOX_EXIT( 1 );
935 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
937 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
938 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
940 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
942 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
945 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
947 MP4_Box_data_avcC_t *p_avcC;
950 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
951 p_avcC = p_box->data.p_avcC;
953 p_avcC->i_avcC = i_read;
954 if( p_avcC->i_avcC > 0 )
956 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
957 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 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1032 for( i = 0; i < p_avcC->i_sps; i++ )
1034 FREENULL( p_avcC->sps[i] );
1036 for( i = 0; i < p_avcC->i_pps; i++ )
1038 FREENULL( p_avcC->pps[i] );
1040 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1041 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1042 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1043 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1046 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1050 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1051 p_box->data.p_sample_soun->p_qt_description = NULL;
1053 /* Sanity check needed because the "wave" box does also contain an
1054 * "mp4a" box that we don't understand. */
1058 MP4_READBOX_EXIT( 1 );
1061 for( i = 0; i < 6 ; i++ )
1063 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1066 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1069 * XXX hack -> produce a copy of the nearly complete chunk
1073 p_box->data.p_sample_soun->i_qt_description = i_read;
1074 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1075 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1079 p_box->data.p_sample_soun->i_qt_description = 0;
1080 p_box->data.p_sample_soun->p_qt_description = NULL;
1083 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1084 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1085 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1090 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1091 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1094 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1096 /* SoundDescriptionV1 */
1097 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1098 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1099 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1100 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1104 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1105 "bytes/frame=%d bytes/sample=%d",
1106 p_box->data.p_sample_soun->i_sample_per_packet,
1107 p_box->data.p_sample_soun->i_bytes_per_packet,
1108 p_box->data.p_sample_soun->i_bytes_per_frame,
1109 p_box->data.p_sample_soun->i_bytes_per_sample );
1111 stream_Seek( p_stream, p_box->i_pos +
1112 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1114 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1116 /* SoundDescriptionV2 */
1117 double f_sample_rate;
1121 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1122 MP4_GET8BYTES( dummy );
1123 memcpy( &f_sample_rate, &dummy, 8 );
1125 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1126 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1127 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1129 MP4_GET4BYTES( i_channel );
1130 p_box->data.p_sample_soun->i_channelcount = i_channel;
1133 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1135 stream_Seek( p_stream, p_box->i_pos +
1136 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1140 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1141 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1142 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1143 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1145 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1147 stream_Seek( p_stream, p_box->i_pos +
1148 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1151 if( p_box->i_type == FOURCC_drms )
1153 p_box->data.p_sample_soun->p_drms =
1154 drms_alloc( p_stream->p_libvlc->psz_homedir );
1156 if( p_box->data.p_sample_soun->p_drms == NULL )
1158 msg_Err( p_stream, "drms_alloc() failed" );
1162 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1164 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1165 p_box->data.p_sample_soun->i_channelcount = 1;
1168 if( p_box->i_type == FOURCC_alac )
1170 if( p_box->data.p_sample_soun->p_qt_description )
1171 free( p_box->data.p_sample_soun->p_qt_description );
1173 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1174 p_box->data.p_sample_soun->i_qt_description = i_read;
1175 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1179 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1183 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1184 "sample size %d sample rate %f",
1185 p_box->data.p_sample_soun->i_channelcount,
1186 p_box->data.p_sample_soun->i_samplesize,
1187 (float)p_box->data.p_sample_soun->i_sampleratehi +
1188 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1191 MP4_READBOX_EXIT( 1 );
1195 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1197 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1199 if( p_box->i_type == FOURCC_drms )
1201 if( p_box->data.p_sample_soun->p_drms )
1203 drms_free( p_box->data.p_sample_soun->p_drms );
1209 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1213 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1215 for( i = 0; i < 6 ; i++ )
1217 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1220 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1223 * XXX hack -> produce a copy of the nearly complete chunk
1227 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1228 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1229 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1234 p_box->data.p_sample_vide->i_qt_image_description = 0;
1235 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1238 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1239 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1240 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1242 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1245 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1246 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1248 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1249 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1251 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1252 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1254 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1255 p_peek += 32; i_read -= 32;
1257 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1258 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1260 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1261 MP4_ReadBoxContainerRaw( p_stream, p_box );
1264 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1265 p_box->data.p_sample_vide->i_width,
1266 p_box->data.p_sample_vide->i_height,
1267 p_box->data.p_sample_vide->i_depth );
1270 MP4_READBOX_EXIT( 1 );
1274 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1276 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1279 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1281 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1282 MP4_ReadBoxContainerRaw( p_stream, p_box );
1286 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1290 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1292 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1293 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1295 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1297 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1302 /* FIXME search right signification */
1304 p_box->data.p_sample_text->i_justification_horizontal = 1;
1305 p_box->data.p_sample_text->i_justification_vertical = 1;
1307 case -1: // Flush Right
1308 p_box->data.p_sample_text->i_justification_horizontal = -1;
1309 p_box->data.p_sample_text->i_justification_vertical = -1;
1311 case -2: // Flush Left
1312 p_box->data.p_sample_text->i_justification_horizontal = 0;
1313 p_box->data.p_sample_text->i_justification_vertical = 0;
1315 case 0: // Flush Default
1317 p_box->data.p_sample_text->i_justification_horizontal = 1;
1318 p_box->data.p_sample_text->i_justification_vertical = -1;
1322 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1323 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1324 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1325 p_box->data.p_sample_text->i_background_color[3] = 0;
1327 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1328 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1329 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1333 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1335 MP4_READBOX_EXIT( 1 );
1338 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1340 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1342 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1343 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1345 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1347 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1349 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1350 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1352 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1353 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1354 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1355 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1357 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1358 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1359 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1360 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1363 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1365 MP4_READBOX_EXIT( 1 );
1370 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1371 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1373 FREENULL( p_box->data.p_sample_text->psz_text_name );
1378 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1381 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1383 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1385 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1387 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1389 MP4_ReadBoxContainerRaw( p_stream, p_box );
1392 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1393 p_box->data.p_stsd->i_entry_count );
1396 MP4_READBOX_EXIT( 1 );
1400 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1404 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1406 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1408 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1410 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1412 p_box->data.p_stsz->i_entry_size =
1413 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1415 if( !p_box->data.p_stsz->i_sample_size )
1417 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1419 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1424 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1425 p_box->data.p_stsz->i_sample_size,
1426 p_box->data.p_stsz->i_sample_count );
1429 MP4_READBOX_EXIT( 1 );
1432 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1434 FREENULL( p_box->data.p_stsz->i_entry_size );
1437 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1441 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1443 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1445 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1447 p_box->data.p_stsc->i_first_chunk =
1448 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1449 p_box->data.p_stsc->i_samples_per_chunk =
1450 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1451 p_box->data.p_stsc->i_sample_description_index =
1452 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1454 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1456 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1457 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1458 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1462 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1463 p_box->data.p_stsc->i_entry_count );
1466 MP4_READBOX_EXIT( 1 );
1469 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1471 FREENULL( p_box->data.p_stsc->i_first_chunk );
1472 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1473 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1476 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1480 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1482 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1484 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1486 p_box->data.p_co64->i_chunk_offset =
1487 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1489 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1491 if( p_box->i_type == FOURCC_stco )
1497 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1505 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1510 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1511 p_box->data.p_co64->i_entry_count );
1514 MP4_READBOX_EXIT( 1 );
1517 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1519 FREENULL( p_box->data.p_co64->i_chunk_offset );
1522 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1526 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1528 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1530 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1532 p_box->data.p_stss->i_sample_number =
1533 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1535 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1538 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1539 /* XXX in libmp4 sample begin at 0 */
1540 p_box->data.p_stss->i_sample_number[i]--;
1544 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1545 p_box->data.p_stss->i_entry_count );
1548 MP4_READBOX_EXIT( 1 );
1551 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1553 FREENULL( p_box->data.p_stss->i_sample_number )
1556 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1560 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1562 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1565 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1567 p_box->data.p_stsh->i_shadowed_sample_number =
1568 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1570 p_box->data.p_stsh->i_sync_sample_number =
1571 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1574 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1577 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1578 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1582 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1583 p_box->data.p_stsh->i_entry_count );
1585 MP4_READBOX_EXIT( 1 );
1588 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1590 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1591 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1595 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1599 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1601 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1603 p_box->data.p_stdp->i_priority =
1604 calloc( sizeof( uint16_t ), i_read / 2 );
1606 for( i = 0; i < i_read / 2 ; i++ )
1609 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1613 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1617 MP4_READBOX_EXIT( 1 );
1620 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1622 FREENULL( p_box->data.p_stdp->i_priority )
1625 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1629 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1631 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1634 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1636 p_box->data.p_padb->i_reserved1 =
1637 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1638 p_box->data.p_padb->i_pad2 =
1639 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1640 p_box->data.p_padb->i_reserved2 =
1641 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1642 p_box->data.p_padb->i_pad1 =
1643 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1646 for( i = 0; i < i_read / 2 ; i++ )
1648 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1649 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1650 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1651 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1653 p_peek += 1; i_read -= 1;
1657 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1661 MP4_READBOX_EXIT( 1 );
1664 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1666 FREENULL( p_box->data.p_padb->i_reserved1 );
1667 FREENULL( p_box->data.p_padb->i_pad2 );
1668 FREENULL( p_box->data.p_padb->i_reserved2 );
1669 FREENULL( p_box->data.p_padb->i_pad1 );
1672 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1676 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1678 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1681 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1683 p_box->data.p_elst->i_segment_duration =
1684 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1685 p_box->data.p_elst->i_media_time =
1686 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1687 p_box->data.p_elst->i_media_rate_integer =
1688 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1689 p_box->data.p_elst->i_media_rate_fraction=
1690 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1693 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1695 if( p_box->data.p_elst->i_version == 1 )
1698 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1700 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1705 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1707 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1708 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1711 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1712 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1716 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd, p_box->data.p_elst->i_entry_count );
1718 MP4_READBOX_EXIT( 1 );
1721 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1723 FREENULL( p_box->data.p_elst->i_segment_duration );
1724 FREENULL( p_box->data.p_elst->i_media_time );
1725 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1726 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1729 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1731 unsigned int i_language;
1734 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1736 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1738 i_language = GetWBE( p_peek );
1739 for( i = 0; i < 3; i++ )
1741 p_box->data.p_cprt->i_language[i] =
1742 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1744 p_peek += 2; i_read -= 2;
1745 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1748 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1749 p_box->data.p_cprt->i_language[0],
1750 p_box->data.p_cprt->i_language[1],
1751 p_box->data.p_cprt->i_language[2],
1752 p_box->data.p_cprt->psz_notice );
1755 MP4_READBOX_EXIT( 1 );
1758 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1760 FREENULL( p_box->data.p_cprt->psz_notice );
1764 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1766 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1768 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1771 "read box: \"dcom\" compression algorithm : %4.4s",
1772 (char*)&p_box->data.p_dcom->i_algorithm );
1774 MP4_READBOX_EXIT( 1 );
1777 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1779 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1781 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1783 p_box->data.p_cmvd->i_compressed_size = i_read;
1785 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1787 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1791 /* now copy compressed data */
1792 memcpy( p_box->data.p_cmvd->p_data,
1796 p_box->data.p_cmvd->b_compressed = 1;
1799 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1800 p_box->data.p_cmvd->i_compressed_size );
1803 MP4_READBOX_EXIT( 1 );
1805 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1807 FREENULL( p_box->data.p_cmvd->p_data );
1811 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1817 stream_t *p_stream_memory;
1823 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1825 msg_Err( p_stream, "out of memory" );
1828 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1830 if( !p_box->p_father ||
1831 ( p_box->p_father->i_type != FOURCC_moov &&
1832 p_box->p_father->i_type != FOURCC_foov ) )
1834 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1838 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1843 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1844 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1845 p_cmvd->data.p_cmvd->p_data == NULL )
1847 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1851 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1853 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1854 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1859 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1863 /* decompress data */
1864 /* allocate a new buffer */
1865 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1867 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1868 "uncompress data" );
1871 /* init default structures */
1872 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1873 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1874 z_data.next_out = p_data;
1875 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1876 z_data.zalloc = (alloc_func)Z_NULL;
1877 z_data.zfree = (free_func)Z_NULL;
1878 z_data.opaque = (voidpf)Z_NULL;
1881 if( inflateInit( &z_data ) != Z_OK )
1883 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1889 i_result = inflate( &z_data, Z_NO_FLUSH );
1890 if( i_result != Z_OK && i_result != Z_STREAM_END )
1892 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1897 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1899 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1902 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1905 if( inflateEnd( &z_data ) != Z_OK )
1907 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1911 free( p_cmvd->data.p_cmvd->p_data );
1912 p_cmvd->data.p_cmvd->p_data = p_data;
1913 p_cmvd->data.p_cmvd->b_compressed = 0;
1915 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1917 /* now create a memory stream */
1919 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1920 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1922 /* and read uncompressd moov */
1923 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1925 stream_Delete( p_stream_memory );
1928 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1931 return p_box->data.p_cmov->p_moov ? 1 : 0;
1932 #endif /* HAVE_ZLIB_H */
1935 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1938 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1940 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1941 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1942 MP4_GET4BYTES( i_len );
1946 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1947 for( i = 0; i < i_len; i++ )
1949 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1951 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1955 p_box->data.p_rdrf->psz_ref = NULL;
1960 "read box: \"rdrf\" type:%4.4s ref %s",
1961 (char*)&p_box->data.p_rdrf->i_ref_type,
1962 p_box->data.p_rdrf->psz_ref );
1965 MP4_READBOX_EXIT( 1 );
1968 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1970 FREENULL( p_box->data.p_rdrf->psz_ref )
1974 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1976 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1978 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1980 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1984 "read box: \"rmdr\" rate:%d",
1985 p_box->data.p_rmdr->i_rate );
1987 MP4_READBOX_EXIT( 1 );
1990 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1992 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1994 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1998 "read box: \"rmqu\" quality:%d",
1999 p_box->data.p_rmqu->i_quality );
2001 MP4_READBOX_EXIT( 1 );
2004 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2006 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2007 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2009 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2010 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2011 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2012 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2016 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2017 (char*)&p_box->data.p_rmvc->i_gestaltType,
2018 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2019 p_box->data.p_rmvc->i_checkType );
2022 MP4_READBOX_EXIT( 1 );
2025 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2027 MP4_Box_t *p_drms_box = p_box;
2029 MP4_READBOX_ENTER( uint8_t );
2033 p_drms_box = p_drms_box->p_father;
2034 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2036 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2039 if( config_GetInt( p_stream, "france" ) )
2045 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2046 p_box->i_type, p_peek, i_read );
2050 const char *psz_error;
2054 case -1: psz_error = "unimplemented"; break;
2055 case -2: psz_error = "invalid argument"; break;
2056 case -3: psz_error = "could not get system key"; break;
2057 case -4: psz_error = "could not get SCI data"; break;
2058 case -5: psz_error = "no user key found in SCI data"; break;
2059 case -6: psz_error = "invalid user key"; break;
2060 case -7: psz_error = "you live in France"; break;
2061 default: psz_error = "unknown error"; break;
2064 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2065 (char *)&p_box->i_type, psz_error );
2067 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2068 p_drms_box->data.p_sample_soun->p_drms = NULL;
2072 MP4_READBOX_EXIT( 1 );
2075 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2077 uint16_t i_length, i_dummy;
2079 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2081 p_box->data.p_0xa9xxx->psz_text = NULL;
2083 MP4_GET2BYTES( i_length );
2087 MP4_GET2BYTES( i_dummy );
2088 if( i_length > i_read ) i_length = i_read;
2090 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2092 memcpy( p_box->data.p_0xa9xxx->psz_text,
2094 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2098 "read box: \"%4.4s\" text=`%s'",
2099 (char*)&p_box->i_type,
2100 p_box->data.p_0xa9xxx->psz_text );
2105 /* try iTune/Quicktime format, rewind to start */
2106 p_peek -= 2; i_read += 2;
2107 // we are expecting a 'data' box
2108 uint32_t i_data_len;
2109 uint32_t i_data_tag;
2111 MP4_GET4BYTES( i_data_len );
2112 if( i_data_len > i_read ) i_data_len = i_read;
2113 MP4_GETFOURCC( i_data_tag );
2114 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2116 /* data box contains a version/flags field */
2118 uint32_t i_reserved;
2119 MP4_GET4BYTES( i_version );
2120 MP4_GET4BYTES( i_reserved );
2121 // version should be 0, flags should be 1 for text, 0 for data
2122 if( i_version == 0x00000001 )
2124 // the rest is the text
2126 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2128 memcpy( p_box->data.p_0xa9xxx->psz_text,
2129 p_peek, i_data_len );
2130 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2133 "read box: \"%4.4s\" text=`%s'",
2134 (char*)&p_box->i_type,
2135 p_box->data.p_0xa9xxx->psz_text );
2140 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2145 MP4_READBOX_EXIT( 1 );
2147 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2149 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2152 /* Chapter support */
2153 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2155 MP4_Box_data_chpl_t *p_chpl;
2158 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2160 p_chpl = p_box->data.p_chpl;
2162 MP4_GETVERSIONFLAGS( p_chpl );
2164 MP4_GET4BYTES( i_dummy );
2166 MP4_GET1BYTE( p_chpl->i_chapter );
2168 for( i = 0; i < p_chpl->i_chapter; i++ )
2173 MP4_GET8BYTES( i_start );
2174 MP4_GET1BYTE( i_len );
2176 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2177 i_copy = __MIN( i_len, i_read );
2179 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2180 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2181 p_chpl->chapter[i].i_start = i_start;
2186 /* Bubble sort by increasing start date */
2189 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2191 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2193 char *psz = p_chpl->chapter[i+1].psz_name;
2194 int64_t i64 = p_chpl->chapter[i+1].i_start;
2196 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2197 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2199 p_chpl->chapter[i].psz_name = psz;
2200 p_chpl->chapter[i].i_start = i64;
2209 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2210 p_chpl->i_chapter );
2212 MP4_READBOX_EXIT( 1 );
2214 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2216 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2218 for( i = 0; i < p_chpl->i_chapter; i++ )
2219 free( p_chpl->chapter[i].psz_name );
2222 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2224 uint8_t meta_data[8];
2225 int i_actually_read;
2227 // skip over box header
2228 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2229 if( i_actually_read < 8 )
2232 /* meta content starts with a 4 byte version/flags value (should be 0) */
2233 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2234 if( i_actually_read < 4 )
2237 /* then it behaves like a container */
2238 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2242 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2244 if( !p_box->p_father )
2248 if( p_box->p_father->i_type == FOURCC_stsd )
2250 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2253 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2254 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2258 switch( p_hdlr->data.p_hdlr->i_handler_type )
2261 return MP4_ReadBox_sample_soun( p_stream, p_box );
2263 return MP4_ReadBox_sample_vide( p_stream, p_box );
2265 return MP4_ReadBox_sample_text( p_stream, p_box );
2267 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2270 "unknown handler type in stsd (uncompletetly loaded)" );
2277 "unknown box type %4.4s (uncompletetly loaded)",
2278 (char*)&p_box->i_type );
2283 /**** ------------------------------------------------------------------- ****/
2284 /**** "Higher level" Functions ****/
2285 /**** ------------------------------------------------------------------- ****/
2290 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2291 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2292 } MP4_Box_Function [] =
2295 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2296 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2297 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2298 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2299 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2300 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2301 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2302 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2303 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2304 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2305 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2306 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2307 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2308 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2309 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2310 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2311 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2314 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2315 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2316 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2317 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2318 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2319 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2320 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2321 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2322 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2323 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2324 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2325 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2326 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2327 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2328 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2329 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2330 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2331 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2332 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2333 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2334 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2335 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2336 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2337 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2338 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2339 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2340 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2341 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2342 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2344 /* Nothing to do with this box */
2345 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2346 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2347 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2348 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2351 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2352 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2353 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2354 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2355 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2356 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2357 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2358 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2359 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2360 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2361 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2362 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2363 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2364 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2365 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2366 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2367 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2368 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2369 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2370 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2371 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2372 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2373 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2375 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2376 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2377 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2378 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2379 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2380 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2381 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2382 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2383 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2384 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2385 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2386 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2387 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2388 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2389 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2390 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2391 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2392 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2393 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2394 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2395 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2396 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2397 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2399 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2400 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2402 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2403 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2404 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2405 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2406 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2408 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2409 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2411 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2412 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2414 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2416 /* XXX there is 2 box where we could find this entry stbl and tref*/
2417 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2419 /* found in tref box */
2420 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2421 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2422 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2425 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2428 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2429 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2430 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2431 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2433 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2434 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2435 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2436 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2437 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2438 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2439 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2440 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2443 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2444 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2445 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2446 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2447 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2448 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2449 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2450 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2451 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2452 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2453 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2454 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2455 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2456 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2457 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2458 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2459 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2460 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2461 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2462 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2463 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2464 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2465 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2466 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2467 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2469 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2471 /* iTunes/Quicktime meta info */
2472 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2475 { 0, MP4_ReadBox_default, NULL }
2480 /*****************************************************************************
2481 * MP4_ReadBox : parse the actual box and the children
2482 * XXX : Do not go to the next box
2483 *****************************************************************************/
2484 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2486 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2487 unsigned int i_index;
2489 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2491 msg_Warn( p_stream, "cannot read one box" );
2495 if( !p_box->i_size )
2497 msg_Dbg( p_stream, "found an empty box (null size)" );
2501 p_box->p_father = p_father;
2503 /* Now search function to call */
2504 for( i_index = 0; ; i_index++ )
2506 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2507 ( MP4_Box_Function[i_index].i_type == 0 ) )
2513 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2522 /*****************************************************************************
2523 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2525 *****************************************************************************/
2526 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2528 unsigned int i_index;
2536 for( p_child = p_box->p_first; p_child != NULL; )
2540 p_next = p_child->p_next;
2541 MP4_BoxFree( s, p_child );
2545 /* Now search function to call */
2546 if( p_box->data.p_data )
2548 for( i_index = 0; ; i_index++ )
2550 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2551 ( MP4_Box_Function[i_index].i_type == 0 ) )
2556 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2558 /* Should not happen */
2560 "cannot free box %4.4s, type unknown",
2561 (char*)&p_box->i_type );
2565 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2568 free( p_box->data.p_data );
2574 /*****************************************************************************
2575 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2576 *****************************************************************************
2577 * The first box is a virtual box "root" and is the father for all first
2578 * level boxes for the file, a sort of virtual contener
2579 *****************************************************************************/
2580 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2586 p_root = malloc( sizeof( MP4_Box_t ) );
2588 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2589 p_root->i_shortsize = 1;
2590 p_root->i_size = stream_Size( s );
2591 CreateUUID( &p_root->i_uuid, p_root->i_type );
2593 p_root->data.p_data = NULL;
2594 p_root->p_father = NULL;
2595 p_root->p_first = NULL;
2596 p_root->p_last = NULL;
2597 p_root->p_next = NULL;
2601 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2609 /* check if there is a cmov, if so replace
2610 compressed moov by uncompressed one */
2611 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2612 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2613 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2614 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2616 /* rename the compressed moov as a box to skip */
2617 p_moov->i_type = FOURCC_skip;
2619 /* get uncompressed p_moov */
2620 p_moov = p_cmov->data.p_cmov->p_moov;
2621 p_cmov->data.p_cmov->p_moov = NULL;
2623 /* make p_root father of this new moov */
2624 p_moov->p_father = p_root;
2626 /* insert this new moov box as first child of p_root */
2627 p_moov->p_next = p_child = p_root->p_first;
2628 p_root->p_first = p_moov;
2636 static void __MP4_BoxDumpStructure( stream_t *s,
2637 MP4_Box_t *p_box, unsigned int i_level )
2643 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2644 (char*)&p_box->i_type );
2650 memset( str, (uint8_t)' ', 512 );
2651 for( i = 0; i < i_level; i++ )
2655 sprintf( str + i_level * 5, "+ %4.4s size %d",
2656 (char*)&p_box->i_type,
2657 (uint32_t)p_box->i_size );
2659 msg_Dbg( s, "%s", str );
2661 p_child = p_box->p_first;
2664 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2665 p_child = p_child->p_next;
2669 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2671 __MP4_BoxDumpStructure( s, p_box, 0 );
2676 /*****************************************************************************
2677 *****************************************************************************
2679 ** High level methods to acces an MP4 file
2681 *****************************************************************************
2682 *****************************************************************************/
2683 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2686 if( !*ppsz_path[0] )
2693 while( (*ppsz_path)[i_len] &&
2694 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2698 if( !i_len && **ppsz_path == '/' )
2702 *ppsz_token = malloc( i_len + 1 );
2704 memcpy( *ppsz_token, *ppsz_path, i_len );
2706 (*ppsz_token)[i_len] = '\0';
2708 *ppsz_path += i_len;
2710 if( **ppsz_path == '[' )
2713 *pi_number = strtol( *ppsz_path, NULL, 10 );
2714 while( **ppsz_path && **ppsz_path != ']' )
2718 if( **ppsz_path == ']' )
2727 while( **ppsz_path == '/' )
2733 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2734 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2745 vasprintf( &psz_path, psz_fmt, args );
2747 if( !psz_path || !psz_path[0] )
2749 FREENULL( psz_path );
2754 // fprintf( stderr, "path:'%s'\n", psz_path );
2755 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2761 __get_token( &psz_path, &psz_token, &i_number );
2762 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2763 // psz_path,psz_token,i_number );
2766 FREENULL( psz_token );
2772 if( !strcmp( psz_token, "/" ) )
2775 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2777 p_box = p_box->p_father;
2788 if( !strcmp( psz_token, "." ) )
2793 if( !strcmp( psz_token, ".." ) )
2795 p_box = p_box->p_father;
2805 if( strlen( psz_token ) == 4 )
2808 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2809 psz_token[2], psz_token[3] );
2810 p_box = p_box->p_first;
2820 if( p_box->i_type == i_fourcc )
2828 p_box = p_box->p_next;
2832 if( strlen( psz_token ) == 0 )
2834 p_box = p_box->p_first;
2849 p_box = p_box->p_next;
2854 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2855 FREENULL( psz_token );
2865 /*****************************************************************************
2866 * MP4_BoxGet: find a box given a path relative to p_box
2867 *****************************************************************************
2868 * Path Format: . .. / as usual
2869 * [number] to specifie box number ex: trak[12]
2871 * ex: /moov/trak[12]
2873 *****************************************************************************/
2874 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2877 MP4_Box_t *p_result;
2879 va_start( args, psz_fmt );
2880 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2886 /*****************************************************************************
2887 * MP4_BoxCount: count box given a path relative to p_box
2888 *****************************************************************************
2889 * Path Format: . .. / as usual
2890 * [number] to specifie box number ex: trak[12]
2892 * ex: /moov/trak[12]
2894 *****************************************************************************/
2895 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2899 MP4_Box_t *p_result, *p_next;
2901 va_start( args, psz_fmt );
2902 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2910 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2912 if( p_next->i_type == p_result->i_type)