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 *****************************************************************************/
27 #include <vlc_demux.h>
30 # include <zlib.h> /* for compressed moov */
36 /*****************************************************************************
37 * Here are defined some macro to make life simpler but before using it
40 *****************************************************************************/
41 #define MP4_BOX_HEADERSIZE( p_box ) \
42 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
43 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
45 #define MP4_GETX_PRIVATE(dst, code, size) do { \
46 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
51 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
52 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
53 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
54 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
55 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
56 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
57 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
59 #define MP4_GETVERSIONFLAGS( p_void ) \
60 MP4_GET1BYTE( p_void->i_version ); \
61 MP4_GET3BYTES( p_void->i_flags )
63 #define MP4_GETSTRINGZ( p_str ) \
64 if( (i_read > 0) && (p_peek[0]) ) \
66 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
67 p_str = calloc( sizeof(char), __i_copy__+1 ); \
68 if( __i_copy__ > 0 ) memcpy( p_str, p_peek, __i_copy__ ); \
69 p_str[__i_copy__] = 0; \
70 p_peek += __i_copy__ + 1; \
71 i_read -= __i_copy__ + 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( const uint8_t *p )
116 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
119 static void GetUUID( UUID_t *p_uuid, const 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 )
167 const uint8_t *p_peek;
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 const int i_box_end = p_box->i_size + p_box->i_pos;
241 const int i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
243 /* check if it's within p-father */
244 if( i_box_end >= i_father_end )
246 if( i_box_end > i_father_end )
247 msg_Dbg( p_stream, "out of bound child" );
248 return 0; /* out of bound */
251 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
259 /*****************************************************************************
260 * For all known box a loader is given,
261 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
262 * after called one of theses functions, file position is unknown
263 * you need to call MP4_GotoBox to go where you want
264 *****************************************************************************/
265 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
269 if( stream_Tell( p_stream ) + 8 >
270 (off_t)(p_container->i_pos + p_container->i_size) )
272 /* there is no box to load */
278 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
280 /* chain this box with the father and the other at same level */
281 if( !p_container->p_first ) p_container->p_first = p_box;
282 else p_container->p_last->p_next = p_box;
283 p_container->p_last = p_box;
285 } while( MP4_NextBox( p_stream, p_box ) == 1 );
290 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
292 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
294 /* container is empty, 8 stand for the first header in this box */
299 stream_Seek( p_stream, p_container->i_pos +
300 MP4_BOX_HEADERSIZE( p_container ) );
302 return MP4_ReadBoxContainerRaw( p_stream, p_container );
305 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
307 /* Up to now do nothing */
310 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
312 /* XXX sometime moov is hiden in a free box */
313 if( p_box->p_father &&
314 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
315 p_box->i_type == FOURCC_free )
317 const uint8_t *p_peek;
321 i_read = stream_Peek( p_stream, &p_peek, 44 );
323 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
324 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
328 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
330 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
332 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
334 p_box->i_type = FOURCC_foov;
335 return MP4_ReadBoxContainer( p_stream, p_box );
342 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
347 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
349 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
351 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
352 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
354 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
357 p_box->data.p_ftyp->i_compatible_brands =
358 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
360 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
362 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
367 p_box->data.p_ftyp->i_compatible_brands = NULL;
370 MP4_READBOX_EXIT( 1 );
373 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
375 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
379 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
383 char s_creation_time[128];
384 char s_modification_time[128];
385 char s_duration[128];
387 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
389 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
391 if( p_box->data.p_mvhd->i_version )
393 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
394 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
395 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
396 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
400 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
401 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
402 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
405 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
406 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
407 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
410 for( i = 0; i < 2; i++ )
412 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
414 for( i = 0; i < 9; i++ )
416 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
418 for( i = 0; i < 6; i++ )
420 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
427 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
428 MP4_ConvertDate2Str( s_modification_time,
429 p_box->data.p_mvhd->i_modification_time );
430 if( p_box->data.p_mvhd->i_rate )
432 MP4_ConvertDate2Str( s_duration,
433 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
439 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
442 (uint32_t)p_box->data.p_mvhd->i_timescale,
444 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
445 (float)p_box->data.p_mvhd->i_volume / 256 ,
446 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
448 MP4_READBOX_EXIT( 1 );
451 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
455 char s_creation_time[128];
456 char s_modification_time[128];
457 char s_duration[128];
459 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
461 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
463 if( p_box->data.p_tkhd->i_version )
465 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
466 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
467 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
468 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
469 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
473 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
475 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
480 for( i = 0; i < 2; i++ )
482 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
484 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
485 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
486 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
487 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
489 for( i = 0; i < 9; i++ )
491 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
493 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
497 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
498 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
499 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
501 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
505 p_box->data.p_tkhd->i_track_ID,
506 p_box->data.p_tkhd->i_layer,
507 (float)p_box->data.p_tkhd->i_volume / 256 ,
508 (float)p_box->data.p_tkhd->i_width / 65536,
509 (float)p_box->data.p_tkhd->i_height / 65536 );
511 MP4_READBOX_EXIT( 1 );
515 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
520 char s_creation_time[128];
521 char s_modification_time[128];
522 char s_duration[128];
524 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
526 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
528 if( p_box->data.p_mdhd->i_version )
530 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
531 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
532 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
533 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
537 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
538 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
539 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
540 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
542 i_language = GetWBE( p_peek );
543 for( i = 0; i < 3; i++ )
545 p_box->data.p_mdhd->i_language[i] =
546 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
549 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
552 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
553 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
554 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
555 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
558 (uint32_t)p_box->data.p_mdhd->i_timescale,
560 p_box->data.p_mdhd->i_language[0],
561 p_box->data.p_mdhd->i_language[1],
562 p_box->data.p_mdhd->i_language[2] );
564 MP4_READBOX_EXIT( 1 );
568 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
572 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
574 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
576 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
577 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
579 MP4_GET4BYTES( i_reserved );
580 MP4_GET4BYTES( i_reserved );
581 MP4_GET4BYTES( i_reserved );
582 p_box->data.p_hdlr->psz_name = NULL;
586 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
588 /* Yes, I love .mp4 :( */
589 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
594 MP4_GET1BYTE( i_len );
595 i_copy = __MIN( i_read, i_len );
597 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
598 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
602 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
603 p_box->data.p_hdlr->psz_name[i_read] = '\0';
608 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
609 (char*)&p_box->data.p_hdlr->i_handler_type,
610 p_box->data.p_hdlr->psz_name );
613 MP4_READBOX_EXIT( 1 );
616 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
618 FREENULL( p_box->data.p_hdlr->psz_name );
621 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
625 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
627 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
629 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
630 for( i = 0; i < 3; i++ )
632 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
636 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
637 p_box->data.p_vmhd->i_graphics_mode,
638 p_box->data.p_vmhd->i_opcolor[0],
639 p_box->data.p_vmhd->i_opcolor[1],
640 p_box->data.p_vmhd->i_opcolor[2] );
642 MP4_READBOX_EXIT( 1 );
645 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
647 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
649 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
653 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
655 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
658 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
659 (float)p_box->data.p_smhd->i_balance / 256 );
661 MP4_READBOX_EXIT( 1 );
665 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
667 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
669 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
671 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
672 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
674 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
675 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
677 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
680 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
681 p_box->data.p_hmhd->i_max_PDU_size,
682 p_box->data.p_hmhd->i_avg_PDU_size,
683 p_box->data.p_hmhd->i_max_bitrate,
684 p_box->data.p_hmhd->i_avg_bitrate );
686 MP4_READBOX_EXIT( 1 );
689 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
691 MP4_READBOX_ENTER( MP4_Box_data_url_t );
693 MP4_GETVERSIONFLAGS( p_box->data.p_url );
694 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
697 msg_Dbg( p_stream, "read box: \"url\" url: %s",
698 p_box->data.p_url->psz_location );
701 MP4_READBOX_EXIT( 1 );
705 static void MP4_FreeBox_url( MP4_Box_t *p_box )
707 FREENULL( p_box->data.p_url->psz_location )
710 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
712 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
714 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
716 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
717 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
720 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
721 p_box->data.p_urn->psz_name,
722 p_box->data.p_urn->psz_location );
724 MP4_READBOX_EXIT( 1 );
726 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
728 FREENULL( p_box->data.p_urn->psz_name );
729 FREENULL( p_box->data.p_urn->psz_location );
733 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
735 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
737 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
739 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
741 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
742 MP4_ReadBoxContainerRaw( p_stream, p_box );
745 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
746 p_box->data.p_dref->i_entry_count );
749 MP4_READBOX_EXIT( 1 );
753 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
756 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
758 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
759 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
761 p_box->data.p_stts->i_sample_count =
762 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
763 p_box->data.p_stts->i_sample_delta =
764 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
766 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
768 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
769 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
773 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
774 p_box->data.p_stts->i_entry_count );
777 MP4_READBOX_EXIT( 1 );
780 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
782 FREENULL( p_box->data.p_stts->i_sample_count );
783 FREENULL( p_box->data.p_stts->i_sample_delta );
786 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
789 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
791 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
793 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
795 p_box->data.p_ctts->i_sample_count =
796 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
797 p_box->data.p_ctts->i_sample_offset =
798 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
800 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
802 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
803 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
807 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
808 p_box->data.p_ctts->i_entry_count );
811 MP4_READBOX_EXIT( 1 );
814 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
816 FREENULL( p_box->data.p_ctts->i_sample_count );
817 FREENULL( p_box->data.p_ctts->i_sample_offset );
820 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
823 unsigned int i_len = 0;
830 i_len = ( i_len << 7 ) + ( i_b&0x7f );
835 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
837 #define es_descriptor p_box->data.p_esds->es_descriptor
839 unsigned int i_flags;
842 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
844 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
847 MP4_GET1BYTE( i_type );
848 if( i_type == 0x03 ) /* MP4ESDescrTag */
850 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
853 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
857 MP4_GET2BYTES( es_descriptor.i_ES_ID );
858 MP4_GET1BYTE( i_flags );
859 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
860 es_descriptor.b_url = ( (i_flags&0x40) != 0);
861 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
863 es_descriptor.i_stream_priority = i_flags&0x1f;
864 if( es_descriptor.b_stream_dependence )
866 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
868 if( es_descriptor.b_url )
872 MP4_GET1BYTE( i_len );
873 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
874 memcpy( es_descriptor.psz_URL, p_peek, i_len );
875 es_descriptor.psz_URL[i_len] = 0;
881 es_descriptor.psz_URL = NULL;
883 if( es_descriptor.b_OCRstream )
885 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
887 MP4_GET1BYTE( i_type ); /* get next type */
890 if( i_type != 0x04)/* MP4DecConfigDescrTag */
892 es_descriptor.p_decConfigDescr = NULL;
893 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
896 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
899 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
903 es_descriptor.p_decConfigDescr =
904 malloc( sizeof( MP4_descriptor_decoder_config_t ));
906 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
907 MP4_GET1BYTE( i_flags );
908 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
909 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
910 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
911 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
912 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
913 MP4_GET1BYTE( i_type );
914 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
916 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
917 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
918 MP4_READBOX_EXIT( 1 );
921 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
924 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
928 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
929 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
930 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
933 MP4_READBOX_EXIT( 1 );
938 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
940 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
941 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
943 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
945 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
948 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
950 MP4_Box_data_avcC_t *p_avcC;
953 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
954 p_avcC = p_box->data.p_avcC;
956 p_avcC->i_avcC = i_read;
957 if( p_avcC->i_avcC > 0 )
959 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
960 memcpy( p_avcC->p_avcC, p_peek, i_read );
963 MP4_GET1BYTE( p_avcC->i_version );
964 MP4_GET1BYTE( p_avcC->i_profile );
965 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
966 MP4_GET1BYTE( p_avcC->i_level );
967 MP4_GET1BYTE( p_avcC->i_reserved1 );
968 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
969 p_avcC->i_reserved1 >>= 2;
971 MP4_GET1BYTE( p_avcC->i_reserved2 );
972 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
973 p_avcC->i_reserved2 >>= 5;
975 if( p_avcC->i_sps > 0 )
977 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
978 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
980 for( i = 0; i < p_avcC->i_sps; i++ )
982 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
983 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
984 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
986 p_peek += p_avcC->i_sps_length[i];
987 i_read -= p_avcC->i_sps_length[i];
991 MP4_GET1BYTE( p_avcC->i_pps );
992 if( p_avcC->i_pps > 0 )
994 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
995 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
997 for( i = 0; i < p_avcC->i_pps; i++ )
999 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1000 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1001 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1003 p_peek += p_avcC->i_pps_length[i];
1004 i_read -= p_avcC->i_pps_length[i];
1009 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1010 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1011 p_avcC->i_length_size,
1012 p_avcC->i_sps, p_avcC->i_pps );
1013 for( i = 0; i < p_avcC->i_sps; i++ )
1015 msg_Dbg( p_stream, " - sps[%d] length=%d",
1016 i, p_avcC->i_sps_length[i] );
1018 for( i = 0; i < p_avcC->i_pps; i++ )
1020 msg_Dbg( p_stream, " - pps[%d] length=%d",
1021 i, p_avcC->i_pps_length[i] );
1025 MP4_READBOX_EXIT( 1 );
1028 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1030 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1033 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1035 for( i = 0; i < p_avcC->i_sps; i++ )
1037 FREENULL( p_avcC->sps[i] );
1039 for( i = 0; i < p_avcC->i_pps; i++ )
1041 FREENULL( p_avcC->pps[i] );
1043 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1044 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1045 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1046 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1049 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1053 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1054 p_box->data.p_sample_soun->p_qt_description = NULL;
1056 /* Sanity check needed because the "wave" box does also contain an
1057 * "mp4a" box that we don't understand. */
1061 MP4_READBOX_EXIT( 1 );
1064 for( i = 0; i < 6 ; i++ )
1066 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1069 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1072 * XXX hack -> produce a copy of the nearly complete chunk
1076 p_box->data.p_sample_soun->i_qt_description = i_read;
1077 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1078 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1082 p_box->data.p_sample_soun->i_qt_description = 0;
1083 p_box->data.p_sample_soun->p_qt_description = NULL;
1086 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1088 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1090 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1091 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1093 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1094 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1095 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1097 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1099 /* SoundDescriptionV1 */
1100 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1101 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1102 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1103 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1107 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1108 "bytes/frame=%d bytes/sample=%d",
1109 p_box->data.p_sample_soun->i_sample_per_packet,
1110 p_box->data.p_sample_soun->i_bytes_per_packet,
1111 p_box->data.p_sample_soun->i_bytes_per_frame,
1112 p_box->data.p_sample_soun->i_bytes_per_sample );
1114 stream_Seek( p_stream, p_box->i_pos +
1115 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1117 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1119 /* SoundDescriptionV2 */
1120 double f_sample_rate;
1124 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1125 MP4_GET8BYTES( dummy );
1126 memcpy( &f_sample_rate, &dummy, 8 );
1128 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1129 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1130 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1132 MP4_GET4BYTES( i_channel );
1133 p_box->data.p_sample_soun->i_channelcount = i_channel;
1136 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1138 stream_Seek( p_stream, p_box->i_pos +
1139 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1143 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1144 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1145 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1146 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1148 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1150 stream_Seek( p_stream, p_box->i_pos +
1151 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1154 if( p_box->i_type == FOURCC_drms )
1156 p_box->data.p_sample_soun->p_drms =
1157 drms_alloc( p_stream->p_libvlc->psz_homedir );
1159 if( p_box->data.p_sample_soun->p_drms == NULL )
1161 msg_Err( p_stream, "drms_alloc() failed" );
1165 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1167 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1168 p_box->data.p_sample_soun->i_channelcount = 1;
1171 if( p_box->i_type == FOURCC_alac )
1173 if( p_box->data.p_sample_soun->p_qt_description )
1174 free( p_box->data.p_sample_soun->p_qt_description );
1176 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1177 p_box->data.p_sample_soun->i_qt_description = i_read;
1178 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1182 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1186 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1187 "sample size %d sample rate %f",
1188 p_box->data.p_sample_soun->i_channelcount,
1189 p_box->data.p_sample_soun->i_samplesize,
1190 (float)p_box->data.p_sample_soun->i_sampleratehi +
1191 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1194 MP4_READBOX_EXIT( 1 );
1198 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1200 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1202 if( p_box->i_type == FOURCC_drms )
1204 if( p_box->data.p_sample_soun->p_drms )
1206 drms_free( p_box->data.p_sample_soun->p_drms );
1212 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1216 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1218 for( i = 0; i < 6 ; i++ )
1220 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1223 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1226 * XXX hack -> produce a copy of the nearly complete chunk
1230 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1231 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1232 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1237 p_box->data.p_sample_vide->i_qt_image_description = 0;
1238 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1241 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1242 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1245 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1246 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1248 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1249 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1251 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1252 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1254 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1255 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1257 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1258 p_peek += 32; i_read -= 32;
1260 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1261 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1263 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1264 MP4_ReadBoxContainerRaw( p_stream, p_box );
1267 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1268 p_box->data.p_sample_vide->i_width,
1269 p_box->data.p_sample_vide->i_height,
1270 p_box->data.p_sample_vide->i_depth );
1273 MP4_READBOX_EXIT( 1 );
1277 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1279 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1282 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1284 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1285 MP4_ReadBoxContainerRaw( p_stream, p_box );
1289 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1293 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1295 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1296 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1298 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1300 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1305 /* FIXME search right signification */
1307 p_box->data.p_sample_text->i_justification_horizontal = 1;
1308 p_box->data.p_sample_text->i_justification_vertical = 1;
1310 case -1: // Flush Right
1311 p_box->data.p_sample_text->i_justification_horizontal = -1;
1312 p_box->data.p_sample_text->i_justification_vertical = -1;
1314 case -2: // Flush Left
1315 p_box->data.p_sample_text->i_justification_horizontal = 0;
1316 p_box->data.p_sample_text->i_justification_vertical = 0;
1318 case 0: // Flush Default
1320 p_box->data.p_sample_text->i_justification_horizontal = 1;
1321 p_box->data.p_sample_text->i_justification_vertical = -1;
1325 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1326 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1327 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1328 p_box->data.p_sample_text->i_background_color[3] = 0;
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1331 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1332 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1333 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1336 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1338 MP4_READBOX_EXIT( 1 );
1341 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1343 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1345 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1346 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1348 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1350 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1352 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1353 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1355 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1356 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1357 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1358 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1360 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1361 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1362 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1363 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1366 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1368 MP4_READBOX_EXIT( 1 );
1373 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1374 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1376 FREENULL( p_box->data.p_sample_text->psz_text_name );
1381 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1384 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1386 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1388 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1390 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1392 MP4_ReadBoxContainerRaw( p_stream, p_box );
1395 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1396 p_box->data.p_stsd->i_entry_count );
1399 MP4_READBOX_EXIT( 1 );
1403 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1407 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1409 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1411 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1413 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1415 p_box->data.p_stsz->i_entry_size =
1416 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1418 if( !p_box->data.p_stsz->i_sample_size )
1420 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1422 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1427 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1428 p_box->data.p_stsz->i_sample_size,
1429 p_box->data.p_stsz->i_sample_count );
1432 MP4_READBOX_EXIT( 1 );
1435 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1437 FREENULL( p_box->data.p_stsz->i_entry_size );
1440 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1444 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1446 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1448 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1450 p_box->data.p_stsc->i_first_chunk =
1451 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1452 p_box->data.p_stsc->i_samples_per_chunk =
1453 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1454 p_box->data.p_stsc->i_sample_description_index =
1455 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1457 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1459 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1460 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1461 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1465 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1466 p_box->data.p_stsc->i_entry_count );
1469 MP4_READBOX_EXIT( 1 );
1472 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1474 FREENULL( p_box->data.p_stsc->i_first_chunk );
1475 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1476 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1479 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1483 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1485 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1487 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1489 p_box->data.p_co64->i_chunk_offset =
1490 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1492 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1494 if( p_box->i_type == FOURCC_stco )
1500 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1508 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1513 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1514 p_box->data.p_co64->i_entry_count );
1517 MP4_READBOX_EXIT( 1 );
1520 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1522 FREENULL( p_box->data.p_co64->i_chunk_offset );
1525 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1529 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1531 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1533 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1535 p_box->data.p_stss->i_sample_number =
1536 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1538 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1541 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1542 /* XXX in libmp4 sample begin at 0 */
1543 p_box->data.p_stss->i_sample_number[i]--;
1547 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1548 p_box->data.p_stss->i_entry_count );
1551 MP4_READBOX_EXIT( 1 );
1554 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1556 FREENULL( p_box->data.p_stss->i_sample_number )
1559 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1563 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1565 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1568 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1570 p_box->data.p_stsh->i_shadowed_sample_number =
1571 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1573 p_box->data.p_stsh->i_sync_sample_number =
1574 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1577 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1580 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1581 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1585 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1586 p_box->data.p_stsh->i_entry_count );
1588 MP4_READBOX_EXIT( 1 );
1591 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1593 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1594 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1598 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1602 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1604 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1606 p_box->data.p_stdp->i_priority =
1607 calloc( sizeof( uint16_t ), i_read / 2 );
1609 for( i = 0; i < i_read / 2 ; i++ )
1612 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1616 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1620 MP4_READBOX_EXIT( 1 );
1623 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1625 FREENULL( p_box->data.p_stdp->i_priority )
1628 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1632 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1634 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1637 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1639 p_box->data.p_padb->i_reserved1 =
1640 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1641 p_box->data.p_padb->i_pad2 =
1642 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1643 p_box->data.p_padb->i_reserved2 =
1644 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1645 p_box->data.p_padb->i_pad1 =
1646 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1649 for( i = 0; i < i_read / 2 ; i++ )
1651 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1652 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1653 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1654 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1656 p_peek += 1; i_read -= 1;
1660 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1664 MP4_READBOX_EXIT( 1 );
1667 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1669 FREENULL( p_box->data.p_padb->i_reserved1 );
1670 FREENULL( p_box->data.p_padb->i_pad2 );
1671 FREENULL( p_box->data.p_padb->i_reserved2 );
1672 FREENULL( p_box->data.p_padb->i_pad1 );
1675 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1679 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1681 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1684 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1686 p_box->data.p_elst->i_segment_duration =
1687 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1688 p_box->data.p_elst->i_media_time =
1689 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1690 p_box->data.p_elst->i_media_rate_integer =
1691 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1692 p_box->data.p_elst->i_media_rate_fraction=
1693 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1696 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1698 if( p_box->data.p_elst->i_version == 1 )
1701 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1703 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1708 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1710 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1711 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1714 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1715 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1719 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd, p_box->data.p_elst->i_entry_count );
1721 MP4_READBOX_EXIT( 1 );
1724 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1726 FREENULL( p_box->data.p_elst->i_segment_duration );
1727 FREENULL( p_box->data.p_elst->i_media_time );
1728 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1729 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1732 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1734 unsigned int i_language;
1737 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1739 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1741 i_language = GetWBE( p_peek );
1742 for( i = 0; i < 3; i++ )
1744 p_box->data.p_cprt->i_language[i] =
1745 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1747 p_peek += 2; i_read -= 2;
1748 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1751 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1752 p_box->data.p_cprt->i_language[0],
1753 p_box->data.p_cprt->i_language[1],
1754 p_box->data.p_cprt->i_language[2],
1755 p_box->data.p_cprt->psz_notice );
1758 MP4_READBOX_EXIT( 1 );
1761 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1763 FREENULL( p_box->data.p_cprt->psz_notice );
1767 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1769 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1771 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1774 "read box: \"dcom\" compression algorithm : %4.4s",
1775 (char*)&p_box->data.p_dcom->i_algorithm );
1777 MP4_READBOX_EXIT( 1 );
1780 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1782 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1784 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1786 p_box->data.p_cmvd->i_compressed_size = i_read;
1788 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1790 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1794 /* now copy compressed data */
1795 memcpy( p_box->data.p_cmvd->p_data,
1799 p_box->data.p_cmvd->b_compressed = 1;
1802 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1803 p_box->data.p_cmvd->i_compressed_size );
1806 MP4_READBOX_EXIT( 1 );
1808 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1810 FREENULL( p_box->data.p_cmvd->p_data );
1814 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1820 stream_t *p_stream_memory;
1826 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1828 msg_Err( p_stream, "out of memory" );
1831 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1833 if( !p_box->p_father ||
1834 ( p_box->p_father->i_type != FOURCC_moov &&
1835 p_box->p_father->i_type != FOURCC_foov ) )
1837 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1841 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1846 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1847 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1848 p_cmvd->data.p_cmvd->p_data == NULL )
1850 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1854 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1856 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1857 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1862 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1866 /* decompress data */
1867 /* allocate a new buffer */
1868 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1870 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1871 "uncompress data" );
1874 /* init default structures */
1875 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1876 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1877 z_data.next_out = p_data;
1878 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1879 z_data.zalloc = (alloc_func)Z_NULL;
1880 z_data.zfree = (free_func)Z_NULL;
1881 z_data.opaque = (voidpf)Z_NULL;
1884 if( inflateInit( &z_data ) != Z_OK )
1886 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1892 i_result = inflate( &z_data, Z_NO_FLUSH );
1893 if( i_result != Z_OK && i_result != Z_STREAM_END )
1895 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1900 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1902 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1905 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1908 if( inflateEnd( &z_data ) != Z_OK )
1910 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1914 free( p_cmvd->data.p_cmvd->p_data );
1915 p_cmvd->data.p_cmvd->p_data = p_data;
1916 p_cmvd->data.p_cmvd->b_compressed = 0;
1918 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1920 /* now create a memory stream */
1922 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1923 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1925 /* and read uncompressd moov */
1926 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1928 stream_Delete( p_stream_memory );
1931 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1934 return p_box->data.p_cmov->p_moov ? 1 : 0;
1935 #endif /* HAVE_ZLIB_H */
1938 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1941 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1943 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1944 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1945 MP4_GET4BYTES( i_len );
1949 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1950 for( i = 0; i < i_len; i++ )
1952 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1954 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1958 p_box->data.p_rdrf->psz_ref = NULL;
1963 "read box: \"rdrf\" type:%4.4s ref %s",
1964 (char*)&p_box->data.p_rdrf->i_ref_type,
1965 p_box->data.p_rdrf->psz_ref );
1968 MP4_READBOX_EXIT( 1 );
1971 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1973 FREENULL( p_box->data.p_rdrf->psz_ref )
1977 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1979 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1981 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1983 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1987 "read box: \"rmdr\" rate:%d",
1988 p_box->data.p_rmdr->i_rate );
1990 MP4_READBOX_EXIT( 1 );
1993 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1995 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1997 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2001 "read box: \"rmqu\" quality:%d",
2002 p_box->data.p_rmqu->i_quality );
2004 MP4_READBOX_EXIT( 1 );
2007 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2009 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2010 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2012 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2013 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2014 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2015 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2019 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2020 (char*)&p_box->data.p_rmvc->i_gestaltType,
2021 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2022 p_box->data.p_rmvc->i_checkType );
2025 MP4_READBOX_EXIT( 1 );
2028 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2030 MP4_Box_t *p_drms_box = p_box;
2032 MP4_READBOX_ENTER( uint8_t );
2036 p_drms_box = p_drms_box->p_father;
2037 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2039 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2042 if( config_GetInt( p_stream, "france" ) )
2048 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2049 p_box->i_type, p_peek, i_read );
2053 const char *psz_error;
2057 case -1: psz_error = "unimplemented"; break;
2058 case -2: psz_error = "invalid argument"; break;
2059 case -3: psz_error = "could not get system key"; break;
2060 case -4: psz_error = "could not get SCI data"; break;
2061 case -5: psz_error = "no user key found in SCI data"; break;
2062 case -6: psz_error = "invalid user key"; break;
2063 case -7: psz_error = "you live in France"; break;
2064 default: psz_error = "unknown error"; break;
2067 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2068 (char *)&p_box->i_type, psz_error );
2070 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2071 p_drms_box->data.p_sample_soun->p_drms = NULL;
2075 MP4_READBOX_EXIT( 1 );
2078 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2080 uint16_t i_length, i_dummy;
2082 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2084 p_box->data.p_0xa9xxx->psz_text = NULL;
2086 MP4_GET2BYTES( i_length );
2090 MP4_GET2BYTES( i_dummy );
2091 if( i_length > i_read ) i_length = i_read;
2093 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2095 memcpy( p_box->data.p_0xa9xxx->psz_text,
2097 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2101 "read box: \"c%3.3s\" text=`%s'",
2102 ((char*)&p_box->i_type + 1),
2103 p_box->data.p_0xa9xxx->psz_text );
2108 /* try iTune/Quicktime format, rewind to start */
2109 p_peek -= 2; i_read += 2;
2110 // we are expecting a 'data' box
2111 uint32_t i_data_len;
2112 uint32_t i_data_tag;
2114 MP4_GET4BYTES( i_data_len );
2115 if( i_data_len > i_read ) i_data_len = i_read;
2116 MP4_GETFOURCC( i_data_tag );
2117 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2119 /* data box contains a version/flags field */
2121 uint32_t i_reserved;
2122 MP4_GET4BYTES( i_version );
2123 MP4_GET4BYTES( i_reserved );
2124 // version should be 0, flags should be 1 for text, 0 for data
2125 if( i_version == 0x00000001 )
2127 // the rest is the text
2129 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2131 memcpy( p_box->data.p_0xa9xxx->psz_text,
2132 p_peek, i_data_len );
2133 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2136 "read box: \"c%3.3s\" text=`%s'",
2137 ((char*)&p_box->i_type+1),
2138 p_box->data.p_0xa9xxx->psz_text );
2143 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2148 MP4_READBOX_EXIT( 1 );
2150 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2152 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2155 /* Chapter support */
2156 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2158 MP4_Box_data_chpl_t *p_chpl;
2161 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2163 p_chpl = p_box->data.p_chpl;
2165 MP4_GETVERSIONFLAGS( p_chpl );
2167 MP4_GET4BYTES( i_dummy );
2169 MP4_GET1BYTE( p_chpl->i_chapter );
2171 for( i = 0; i < p_chpl->i_chapter; i++ )
2176 MP4_GET8BYTES( i_start );
2177 MP4_GET1BYTE( i_len );
2179 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2180 i_copy = __MIN( i_len, i_read );
2182 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2183 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2184 p_chpl->chapter[i].i_start = i_start;
2189 /* Bubble sort by increasing start date */
2192 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2194 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2196 char *psz = p_chpl->chapter[i+1].psz_name;
2197 int64_t i64 = p_chpl->chapter[i+1].i_start;
2199 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2200 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2202 p_chpl->chapter[i].psz_name = psz;
2203 p_chpl->chapter[i].i_start = i64;
2212 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2213 p_chpl->i_chapter );
2215 MP4_READBOX_EXIT( 1 );
2217 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2219 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2221 for( i = 0; i < p_chpl->i_chapter; i++ )
2222 free( p_chpl->chapter[i].psz_name );
2225 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2228 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2230 p_box->data.p_tref_generic->i_track_ID = NULL;
2231 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2232 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2233 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2235 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2237 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2240 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2241 p_box->data.p_tref_generic->i_entry_count );
2244 MP4_READBOX_EXIT( 1 );
2246 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2248 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2251 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2253 uint8_t meta_data[8];
2254 int i_actually_read;
2256 // skip over box header
2257 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2258 if( i_actually_read < 8 )
2261 /* meta content starts with a 4 byte version/flags value (should be 0) */
2262 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2263 if( i_actually_read < 4 )
2266 /* then it behaves like a container */
2267 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2271 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2273 if( !p_box->p_father )
2277 if( p_box->p_father->i_type == FOURCC_stsd )
2279 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2282 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2283 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2287 switch( p_hdlr->data.p_hdlr->i_handler_type )
2290 return MP4_ReadBox_sample_soun( p_stream, p_box );
2292 return MP4_ReadBox_sample_vide( p_stream, p_box );
2294 return MP4_ReadBox_sample_text( p_stream, p_box );
2296 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2299 "unknown handler type in stsd (uncompletetly loaded)" );
2306 "unknown box type %4.4s (uncompletetly loaded)",
2307 (char*)&p_box->i_type );
2312 /**** ------------------------------------------------------------------- ****/
2313 /**** "Higher level" Functions ****/
2314 /**** ------------------------------------------------------------------- ****/
2319 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2320 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2321 } MP4_Box_Function [] =
2324 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2325 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2326 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2327 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2328 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2329 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2330 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2331 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2332 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2333 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2334 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2335 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2336 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2337 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2338 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2339 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2340 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2343 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2344 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2345 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2346 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2347 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2348 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2349 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2350 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2351 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2352 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2353 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2354 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2355 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2356 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2357 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2358 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2359 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2360 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2361 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2362 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2363 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2364 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2365 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2366 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2367 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2368 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2369 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2370 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2371 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2373 /* Nothing to do with this box */
2374 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2375 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2376 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2377 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2380 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2381 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2382 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2383 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2384 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2385 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2386 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2387 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2388 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2389 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2390 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2391 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2392 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2393 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2394 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2395 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2396 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2397 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2398 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2399 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2400 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2401 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2402 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2404 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2405 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2406 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2407 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2408 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2409 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2410 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2411 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2412 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2413 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2414 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2415 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2416 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2417 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2418 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2419 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2420 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2421 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2422 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2423 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2424 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2425 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2426 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2428 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2429 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2431 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2432 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2433 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2434 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2435 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2437 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2438 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2440 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2441 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2443 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2445 /* XXX there is 2 box where we could find this entry stbl and tref*/
2446 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2448 /* found in tref box */
2449 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2450 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2451 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2452 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2455 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2458 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2459 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2460 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2461 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2463 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2464 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2465 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2466 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2467 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2468 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2469 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2470 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2473 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2474 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2475 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2476 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2477 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2478 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2479 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2480 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2481 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2482 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2483 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2484 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2485 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2486 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2487 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2488 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2489 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2490 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2491 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2492 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2493 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2494 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2495 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2496 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2497 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2499 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2501 /* iTunes/Quicktime meta info */
2502 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2505 { 0, MP4_ReadBox_default, NULL }
2510 /*****************************************************************************
2511 * MP4_ReadBox : parse the actual box and the children
2512 * XXX : Do not go to the next box
2513 *****************************************************************************/
2514 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2516 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2517 unsigned int i_index;
2519 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2521 msg_Warn( p_stream, "cannot read one box" );
2525 if( !p_box->i_size )
2527 msg_Dbg( p_stream, "found an empty box (null size)" );
2531 p_box->p_father = p_father;
2533 /* Now search function to call */
2534 for( i_index = 0; ; i_index++ )
2536 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2537 ( MP4_Box_Function[i_index].i_type == 0 ) )
2543 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2552 /*****************************************************************************
2553 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2555 *****************************************************************************/
2556 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2558 unsigned int i_index;
2566 for( p_child = p_box->p_first; p_child != NULL; )
2570 p_next = p_child->p_next;
2571 MP4_BoxFree( s, p_child );
2575 /* Now search function to call */
2576 if( p_box->data.p_data )
2578 for( i_index = 0; ; i_index++ )
2580 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2581 ( MP4_Box_Function[i_index].i_type == 0 ) )
2586 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2588 /* Should not happen */
2590 "cannot free box %4.4s, type unknown",
2591 (char*)&p_box->i_type );
2595 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2598 free( p_box->data.p_data );
2604 /*****************************************************************************
2605 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2606 *****************************************************************************
2607 * The first box is a virtual box "root" and is the father for all first
2608 * level boxes for the file, a sort of virtual contener
2609 *****************************************************************************/
2610 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2616 p_root = malloc( sizeof( MP4_Box_t ) );
2618 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2619 p_root->i_shortsize = 1;
2620 p_root->i_size = stream_Size( s );
2621 CreateUUID( &p_root->i_uuid, p_root->i_type );
2623 p_root->data.p_data = NULL;
2624 p_root->p_father = NULL;
2625 p_root->p_first = NULL;
2626 p_root->p_last = NULL;
2627 p_root->p_next = NULL;
2631 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2639 /* check if there is a cmov, if so replace
2640 compressed moov by uncompressed one */
2641 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2642 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2643 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2644 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2646 /* rename the compressed moov as a box to skip */
2647 p_moov->i_type = FOURCC_skip;
2649 /* get uncompressed p_moov */
2650 p_moov = p_cmov->data.p_cmov->p_moov;
2651 p_cmov->data.p_cmov->p_moov = NULL;
2653 /* make p_root father of this new moov */
2654 p_moov->p_father = p_root;
2656 /* insert this new moov box as first child of p_root */
2657 p_moov->p_next = p_child = p_root->p_first;
2658 p_root->p_first = p_moov;
2666 static void __MP4_BoxDumpStructure( stream_t *s,
2667 MP4_Box_t *p_box, unsigned int i_level )
2673 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2674 (char*)&p_box->i_type );
2680 memset( str, (uint8_t)' ', 512 );
2681 for( i = 0; i < i_level; i++ )
2685 sprintf( str + i_level * 5, "+ %4.4s size %d",
2686 (char*)&p_box->i_type,
2687 (uint32_t)p_box->i_size );
2689 msg_Dbg( s, "%s", str );
2691 p_child = p_box->p_first;
2694 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2695 p_child = p_child->p_next;
2699 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2701 __MP4_BoxDumpStructure( s, p_box, 0 );
2706 /*****************************************************************************
2707 *****************************************************************************
2709 ** High level methods to acces an MP4 file
2711 *****************************************************************************
2712 *****************************************************************************/
2713 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2716 if( !*ppsz_path[0] )
2723 while( (*ppsz_path)[i_len] &&
2724 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2728 if( !i_len && **ppsz_path == '/' )
2732 *ppsz_token = malloc( i_len + 1 );
2734 memcpy( *ppsz_token, *ppsz_path, i_len );
2736 (*ppsz_token)[i_len] = '\0';
2738 *ppsz_path += i_len;
2740 if( **ppsz_path == '[' )
2743 *pi_number = strtol( *ppsz_path, NULL, 10 );
2744 while( **ppsz_path && **ppsz_path != ']' )
2748 if( **ppsz_path == ']' )
2757 while( **ppsz_path == '/' )
2763 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2764 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2775 vasprintf( &psz_path, psz_fmt, args );
2777 if( !psz_path || !psz_path[0] )
2779 FREENULL( psz_path );
2784 // fprintf( stderr, "path:'%s'\n", psz_path );
2785 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2791 __get_token( &psz_path, &psz_token, &i_number );
2792 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2793 // psz_path,psz_token,i_number );
2796 FREENULL( psz_token );
2802 if( !strcmp( psz_token, "/" ) )
2805 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2807 p_box = p_box->p_father;
2818 if( !strcmp( psz_token, "." ) )
2823 if( !strcmp( psz_token, ".." ) )
2825 p_box = p_box->p_father;
2835 if( strlen( psz_token ) == 4 )
2838 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2839 psz_token[2], psz_token[3] );
2840 p_box = p_box->p_first;
2850 if( p_box->i_type == i_fourcc )
2858 p_box = p_box->p_next;
2862 if( strlen( psz_token ) == 0 )
2864 p_box = p_box->p_first;
2879 p_box = p_box->p_next;
2884 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2885 FREENULL( psz_token );
2895 /*****************************************************************************
2896 * MP4_BoxGet: find a box given a path relative to p_box
2897 *****************************************************************************
2898 * Path Format: . .. / as usual
2899 * [number] to specifie box number ex: trak[12]
2901 * ex: /moov/trak[12]
2903 *****************************************************************************/
2904 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2907 MP4_Box_t *p_result;
2909 va_start( args, psz_fmt );
2910 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2916 /*****************************************************************************
2917 * MP4_BoxCount: count box given a path relative to p_box
2918 *****************************************************************************
2919 * Path Format: . .. / as usual
2920 * [number] to specifie box number ex: trak[12]
2922 * ex: /moov/trak[12]
2924 *****************************************************************************/
2925 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2929 MP4_Box_t *p_result, *p_next;
2931 va_start( args, psz_fmt );
2932 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2940 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2942 if( p_next->i_type == p_result->i_type)