1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 the VideoLAN team
7 * Author: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
26 #include <stdlib.h> /* malloc(), free() */
28 #include <vlc_demux.h>
31 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 *****************************************************************************/
42 #define MP4_BOX_HEADERSIZE( p_box ) \
43 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
44 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
46 #define MP4_GETX_PRIVATE(dst, code, size) do { \
47 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
52 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
53 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
54 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
55 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
56 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
57 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
58 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
60 #define MP4_GETVERSIONFLAGS( p_void ) \
61 MP4_GET1BYTE( p_void->i_version ); \
62 MP4_GET3BYTES( p_void->i_flags )
64 #define MP4_GETSTRINGZ( p_str ) \
65 if( (i_read > 0) && (p_peek[0]) ) \
67 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
68 p_str = calloc( sizeof(char), __i_copy__+1 ); \
69 if( __i_copy__ > 0 ) memcpy( p_str, p_peek, __i_copy__ ); \
70 p_str[__i_copy__] = 0; \
71 p_peek += __i_copy__ + 1; \
72 i_read -= __i_copy__ + 1; \
79 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
80 int64_t i_read = p_box->i_size; \
81 uint8_t *p_peek, *p_buff; \
82 int i_actually_read; \
83 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
87 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
88 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
93 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
94 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
95 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
101 #define MP4_READBOX_EXIT( i_code ) \
105 msg_Warn( p_stream, "Not enough data" ); \
111 * The input method HAVE to be seekable
115 static uint32_t Get24bBE( const uint8_t *p )
117 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
120 static void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
122 memcpy( p_uuid, p_buff, 16 );
125 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
127 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
128 where XXXXXXXX is the fourcc */
129 /* FIXME implement this */
132 /* some functions for mp4 encoding of variables */
134 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
141 /* date begin at 1 jan 1904 */
142 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
144 i_day = i_date / ( 60*60*24);
145 i_hour = ( i_date /( 60*60 ) ) % 60;
146 i_min = ( i_date / 60 ) % 60;
148 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
151 /*****************************************************************************
153 *****************************************************************************/
154 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
157 /*****************************************************************************
158 * MP4_ReadBoxCommon : Load only common parameters for all boxes
159 *****************************************************************************
160 * p_box need to be an already allocated MP4_Box_t, and all data
161 * will only be peek not read
163 * RETURN : 0 if it fail, 1 otherwise
164 *****************************************************************************/
165 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
168 const uint8_t *p_peek;
170 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
174 p_box->i_pos = stream_Tell( p_stream );
176 p_box->data.p_data = NULL;
177 p_box->p_father = NULL;
178 p_box->p_first = NULL;
179 p_box->p_last = NULL;
180 p_box->p_next = NULL;
182 MP4_GET4BYTES( p_box->i_shortsize );
183 MP4_GETFOURCC( p_box->i_type );
185 /* Now special case */
187 if( p_box->i_shortsize == 1 )
189 /* get the true size on 64 bits */
190 MP4_GET8BYTES( p_box->i_size );
194 p_box->i_size = p_box->i_shortsize;
195 /* XXX size of 0 means that the box extends to end of file */
198 if( p_box->i_type == FOURCC_uuid )
200 /* get extented type on 16 bytes */
201 GetUUID( &p_box->i_uuid, p_peek );
202 p_peek += 16; i_read -= 16;
206 CreateUUID( &p_box->i_uuid, p_box->i_type );
211 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
212 (char*)&p_box->i_type, p_box->i_size );
219 /*****************************************************************************
220 * MP4_NextBox : Go to the next box
221 *****************************************************************************
222 * if p_box == NULL, go to the next box in which we are( at the begining ).
223 *****************************************************************************/
224 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
230 MP4_ReadBoxCommon( p_stream, &box );
236 return 2; /* Box with infinite size */
239 if( p_box->p_father )
241 const int i_box_end = p_box->i_size + p_box->i_pos;
242 const int i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
244 /* check if it's within p-father */
245 if( i_box_end >= i_father_end )
247 if( i_box_end > i_father_end )
248 msg_Dbg( p_stream, "out of bound child" );
249 return 0; /* out of bound */
252 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
260 /*****************************************************************************
261 * For all known box a loader is given,
262 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
263 * after called one of theses functions, file position is unknown
264 * you need to call MP4_GotoBox to go where you want
265 *****************************************************************************/
266 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
270 if( stream_Tell( p_stream ) + 8 >
271 (off_t)(p_container->i_pos + p_container->i_size) )
273 /* there is no box to load */
279 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
281 /* chain this box with the father and the other at same level */
282 if( !p_container->p_first ) p_container->p_first = p_box;
283 else p_container->p_last->p_next = p_box;
284 p_container->p_last = p_box;
286 } while( MP4_NextBox( p_stream, p_box ) == 1 );
291 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
293 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
295 /* container is empty, 8 stand for the first header in this box */
300 stream_Seek( p_stream, p_container->i_pos +
301 MP4_BOX_HEADERSIZE( p_container ) );
303 return MP4_ReadBoxContainerRaw( p_stream, p_container );
306 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
308 /* Up to now do nothing */
311 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
313 /* XXX sometime moov is hiden in a free box */
314 if( p_box->p_father &&
315 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
316 p_box->i_type == FOURCC_free )
318 const uint8_t *p_peek;
322 i_read = stream_Peek( p_stream, &p_peek, 44 );
324 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
325 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
329 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
331 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
333 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
335 p_box->i_type = FOURCC_foov;
336 return MP4_ReadBoxContainer( p_stream, p_box );
343 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
348 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
350 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
352 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
353 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
355 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
358 p_box->data.p_ftyp->i_compatible_brands =
359 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
361 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
363 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
368 p_box->data.p_ftyp->i_compatible_brands = NULL;
371 MP4_READBOX_EXIT( 1 );
374 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
376 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
380 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
384 char s_creation_time[128];
385 char s_modification_time[128];
386 char s_duration[128];
388 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
390 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
392 if( p_box->data.p_mvhd->i_version )
394 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
395 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
396 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
397 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
401 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
402 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
404 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
406 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
407 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
408 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
411 for( i = 0; i < 2; i++ )
413 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
415 for( i = 0; i < 9; i++ )
417 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
419 for( i = 0; i < 6; i++ )
421 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
424 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
428 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
429 MP4_ConvertDate2Str( s_modification_time,
430 p_box->data.p_mvhd->i_modification_time );
431 if( p_box->data.p_mvhd->i_rate )
433 MP4_ConvertDate2Str( s_duration,
434 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
440 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
443 (uint32_t)p_box->data.p_mvhd->i_timescale,
445 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
446 (float)p_box->data.p_mvhd->i_volume / 256 ,
447 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
449 MP4_READBOX_EXIT( 1 );
452 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
456 char s_creation_time[128];
457 char s_modification_time[128];
458 char s_duration[128];
460 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
462 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
464 if( p_box->data.p_tkhd->i_version )
466 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
467 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
468 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
469 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
470 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
475 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
478 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
481 for( i = 0; i < 2; i++ )
483 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
485 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
486 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
487 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
488 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
490 for( i = 0; i < 9; i++ )
492 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
495 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
498 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
499 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
500 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
502 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
506 p_box->data.p_tkhd->i_track_ID,
507 p_box->data.p_tkhd->i_layer,
508 (float)p_box->data.p_tkhd->i_volume / 256 ,
509 (float)p_box->data.p_tkhd->i_width / 65536,
510 (float)p_box->data.p_tkhd->i_height / 65536 );
512 MP4_READBOX_EXIT( 1 );
516 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
521 char s_creation_time[128];
522 char s_modification_time[128];
523 char s_duration[128];
525 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
527 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
529 if( p_box->data.p_mdhd->i_version )
531 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
532 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
533 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
534 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
538 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
539 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
540 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
541 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
543 i_language = GetWBE( p_peek );
544 for( i = 0; i < 3; i++ )
546 p_box->data.p_mdhd->i_language[i] =
547 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
550 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
553 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
554 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
555 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
556 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
559 (uint32_t)p_box->data.p_mdhd->i_timescale,
561 p_box->data.p_mdhd->i_language[0],
562 p_box->data.p_mdhd->i_language[1],
563 p_box->data.p_mdhd->i_language[2] );
565 MP4_READBOX_EXIT( 1 );
569 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
573 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
575 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
577 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
578 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
580 MP4_GET4BYTES( i_reserved );
581 MP4_GET4BYTES( i_reserved );
582 MP4_GET4BYTES( i_reserved );
583 p_box->data.p_hdlr->psz_name = NULL;
587 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
589 /* Yes, I love .mp4 :( */
590 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
595 MP4_GET1BYTE( i_len );
596 i_copy = __MIN( i_read, i_len );
598 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
599 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
603 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
604 p_box->data.p_hdlr->psz_name[i_read] = '\0';
609 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
610 (char*)&p_box->data.p_hdlr->i_handler_type,
611 p_box->data.p_hdlr->psz_name );
614 MP4_READBOX_EXIT( 1 );
617 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
619 FREENULL( p_box->data.p_hdlr->psz_name );
622 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
626 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
628 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
630 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
631 for( i = 0; i < 3; i++ )
633 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
637 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
638 p_box->data.p_vmhd->i_graphics_mode,
639 p_box->data.p_vmhd->i_opcolor[0],
640 p_box->data.p_vmhd->i_opcolor[1],
641 p_box->data.p_vmhd->i_opcolor[2] );
643 MP4_READBOX_EXIT( 1 );
646 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
648 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
650 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
654 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
656 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
659 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
660 (float)p_box->data.p_smhd->i_balance / 256 );
662 MP4_READBOX_EXIT( 1 );
666 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
668 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
670 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
672 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
673 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
675 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
676 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
678 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
681 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
682 p_box->data.p_hmhd->i_max_PDU_size,
683 p_box->data.p_hmhd->i_avg_PDU_size,
684 p_box->data.p_hmhd->i_max_bitrate,
685 p_box->data.p_hmhd->i_avg_bitrate );
687 MP4_READBOX_EXIT( 1 );
690 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
692 MP4_READBOX_ENTER( MP4_Box_data_url_t );
694 MP4_GETVERSIONFLAGS( p_box->data.p_url );
695 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
698 msg_Dbg( p_stream, "read box: \"url\" url: %s",
699 p_box->data.p_url->psz_location );
702 MP4_READBOX_EXIT( 1 );
706 static void MP4_FreeBox_url( MP4_Box_t *p_box )
708 FREENULL( p_box->data.p_url->psz_location )
711 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
713 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
715 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
717 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
718 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
721 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
722 p_box->data.p_urn->psz_name,
723 p_box->data.p_urn->psz_location );
725 MP4_READBOX_EXIT( 1 );
727 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
729 FREENULL( p_box->data.p_urn->psz_name );
730 FREENULL( p_box->data.p_urn->psz_location );
734 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
736 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
738 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
740 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
742 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
743 MP4_ReadBoxContainerRaw( p_stream, p_box );
746 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
747 p_box->data.p_dref->i_entry_count );
750 MP4_READBOX_EXIT( 1 );
754 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
757 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
759 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
760 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
762 p_box->data.p_stts->i_sample_count =
763 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
764 p_box->data.p_stts->i_sample_delta =
765 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
767 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
769 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
770 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
774 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
775 p_box->data.p_stts->i_entry_count );
778 MP4_READBOX_EXIT( 1 );
781 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
783 FREENULL( p_box->data.p_stts->i_sample_count );
784 FREENULL( p_box->data.p_stts->i_sample_delta );
787 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
790 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
792 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
794 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
796 p_box->data.p_ctts->i_sample_count =
797 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
798 p_box->data.p_ctts->i_sample_offset =
799 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
801 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
803 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
804 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
808 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
809 p_box->data.p_ctts->i_entry_count );
812 MP4_READBOX_EXIT( 1 );
815 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
817 FREENULL( p_box->data.p_ctts->i_sample_count );
818 FREENULL( p_box->data.p_ctts->i_sample_offset );
821 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
824 unsigned int i_len = 0;
831 i_len = ( i_len << 7 ) + ( i_b&0x7f );
836 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
838 #define es_descriptor p_box->data.p_esds->es_descriptor
840 unsigned int i_flags;
843 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
845 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
848 MP4_GET1BYTE( i_type );
849 if( i_type == 0x03 ) /* MP4ESDescrTag */
851 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
854 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
858 MP4_GET2BYTES( es_descriptor.i_ES_ID );
859 MP4_GET1BYTE( i_flags );
860 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
861 es_descriptor.b_url = ( (i_flags&0x40) != 0);
862 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
864 es_descriptor.i_stream_priority = i_flags&0x1f;
865 if( es_descriptor.b_stream_dependence )
867 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
869 if( es_descriptor.b_url )
873 MP4_GET1BYTE( i_len );
874 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
875 memcpy( es_descriptor.psz_URL, p_peek, i_len );
876 es_descriptor.psz_URL[i_len] = 0;
882 es_descriptor.psz_URL = NULL;
884 if( es_descriptor.b_OCRstream )
886 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
888 MP4_GET1BYTE( i_type ); /* get next type */
891 if( i_type != 0x04)/* MP4DecConfigDescrTag */
893 es_descriptor.p_decConfigDescr = NULL;
894 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
897 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
900 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
904 es_descriptor.p_decConfigDescr =
905 malloc( sizeof( MP4_descriptor_decoder_config_t ));
907 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
908 MP4_GET1BYTE( i_flags );
909 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
910 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
911 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
912 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
913 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
914 MP4_GET1BYTE( i_type );
915 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
917 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
918 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
919 MP4_READBOX_EXIT( 1 );
922 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
925 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
929 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
930 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
931 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
934 MP4_READBOX_EXIT( 1 );
939 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
941 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
942 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
944 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
946 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
949 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
951 MP4_Box_data_avcC_t *p_avcC;
954 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
955 p_avcC = p_box->data.p_avcC;
957 p_avcC->i_avcC = i_read;
958 if( p_avcC->i_avcC > 0 )
960 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
961 memcpy( p_avcC->p_avcC, p_peek, i_read );
964 MP4_GET1BYTE( p_avcC->i_version );
965 MP4_GET1BYTE( p_avcC->i_profile );
966 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
967 MP4_GET1BYTE( p_avcC->i_level );
968 MP4_GET1BYTE( p_avcC->i_reserved1 );
969 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
970 p_avcC->i_reserved1 >>= 2;
972 MP4_GET1BYTE( p_avcC->i_reserved2 );
973 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
974 p_avcC->i_reserved2 >>= 5;
976 if( p_avcC->i_sps > 0 )
978 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
979 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
981 for( i = 0; i < p_avcC->i_sps; i++ )
983 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
984 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
985 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
987 p_peek += p_avcC->i_sps_length[i];
988 i_read -= p_avcC->i_sps_length[i];
992 MP4_GET1BYTE( p_avcC->i_pps );
993 if( p_avcC->i_pps > 0 )
995 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
996 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
998 for( i = 0; i < p_avcC->i_pps; i++ )
1000 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1001 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1002 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1004 p_peek += p_avcC->i_pps_length[i];
1005 i_read -= p_avcC->i_pps_length[i];
1010 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1011 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1012 p_avcC->i_length_size,
1013 p_avcC->i_sps, p_avcC->i_pps );
1014 for( i = 0; i < p_avcC->i_sps; i++ )
1016 msg_Dbg( p_stream, " - sps[%d] length=%d",
1017 i, p_avcC->i_sps_length[i] );
1019 for( i = 0; i < p_avcC->i_pps; i++ )
1021 msg_Dbg( p_stream, " - pps[%d] length=%d",
1022 i, p_avcC->i_pps_length[i] );
1026 MP4_READBOX_EXIT( 1 );
1029 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1031 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1034 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1036 for( i = 0; i < p_avcC->i_sps; i++ )
1038 FREENULL( p_avcC->sps[i] );
1040 for( i = 0; i < p_avcC->i_pps; i++ )
1042 FREENULL( p_avcC->pps[i] );
1044 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1045 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1046 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1047 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1050 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1054 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1055 p_box->data.p_sample_soun->p_qt_description = NULL;
1057 /* Sanity check needed because the "wave" box does also contain an
1058 * "mp4a" box that we don't understand. */
1062 MP4_READBOX_EXIT( 1 );
1065 for( i = 0; i < 6 ; i++ )
1067 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1070 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1073 * XXX hack -> produce a copy of the nearly complete chunk
1077 p_box->data.p_sample_soun->i_qt_description = i_read;
1078 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1079 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1083 p_box->data.p_sample_soun->i_qt_description = 0;
1084 p_box->data.p_sample_soun->p_qt_description = NULL;
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1089 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1091 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1093 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1094 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1095 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1096 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1098 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1100 /* SoundDescriptionV1 */
1101 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1102 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1103 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1104 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1108 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1109 "bytes/frame=%d bytes/sample=%d",
1110 p_box->data.p_sample_soun->i_sample_per_packet,
1111 p_box->data.p_sample_soun->i_bytes_per_packet,
1112 p_box->data.p_sample_soun->i_bytes_per_frame,
1113 p_box->data.p_sample_soun->i_bytes_per_sample );
1115 stream_Seek( p_stream, p_box->i_pos +
1116 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1118 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1120 /* SoundDescriptionV2 */
1121 double f_sample_rate;
1125 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1126 MP4_GET8BYTES( dummy );
1127 memcpy( &f_sample_rate, &dummy, 8 );
1129 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1130 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1131 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1133 MP4_GET4BYTES( i_channel );
1134 p_box->data.p_sample_soun->i_channelcount = i_channel;
1137 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1139 stream_Seek( p_stream, p_box->i_pos +
1140 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1144 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1145 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1146 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1147 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1149 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1151 stream_Seek( p_stream, p_box->i_pos +
1152 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1155 if( p_box->i_type == FOURCC_drms )
1157 p_box->data.p_sample_soun->p_drms =
1158 drms_alloc( p_stream->p_libvlc->psz_homedir );
1160 if( p_box->data.p_sample_soun->p_drms == NULL )
1162 msg_Err( p_stream, "drms_alloc() failed" );
1166 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1168 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1169 p_box->data.p_sample_soun->i_channelcount = 1;
1172 if( p_box->i_type == FOURCC_alac )
1174 if( p_box->data.p_sample_soun->p_qt_description )
1175 free( p_box->data.p_sample_soun->p_qt_description );
1177 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1178 p_box->data.p_sample_soun->i_qt_description = i_read;
1179 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1183 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1187 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1188 "sample size %d sample rate %f",
1189 p_box->data.p_sample_soun->i_channelcount,
1190 p_box->data.p_sample_soun->i_samplesize,
1191 (float)p_box->data.p_sample_soun->i_sampleratehi +
1192 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1195 MP4_READBOX_EXIT( 1 );
1199 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1201 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1203 if( p_box->i_type == FOURCC_drms )
1205 if( p_box->data.p_sample_soun->p_drms )
1207 drms_free( p_box->data.p_sample_soun->p_drms );
1213 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1217 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1219 for( i = 0; i < 6 ; i++ )
1221 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1224 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1227 * XXX hack -> produce a copy of the nearly complete chunk
1231 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1232 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1233 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1238 p_box->data.p_sample_vide->i_qt_image_description = 0;
1239 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1242 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1243 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1244 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1246 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1247 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1249 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1250 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1252 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1253 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1255 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1256 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1258 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1259 p_peek += 32; i_read -= 32;
1261 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1262 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1264 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1265 MP4_ReadBoxContainerRaw( p_stream, p_box );
1268 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1269 p_box->data.p_sample_vide->i_width,
1270 p_box->data.p_sample_vide->i_height,
1271 p_box->data.p_sample_vide->i_depth );
1274 MP4_READBOX_EXIT( 1 );
1278 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1280 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1283 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1285 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1286 MP4_ReadBoxContainerRaw( p_stream, p_box );
1290 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1294 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1296 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1297 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1299 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1301 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1306 /* FIXME search right signification */
1308 p_box->data.p_sample_text->i_justification_horizontal = 1;
1309 p_box->data.p_sample_text->i_justification_vertical = 1;
1311 case -1: // Flush Right
1312 p_box->data.p_sample_text->i_justification_horizontal = -1;
1313 p_box->data.p_sample_text->i_justification_vertical = -1;
1315 case -2: // Flush Left
1316 p_box->data.p_sample_text->i_justification_horizontal = 0;
1317 p_box->data.p_sample_text->i_justification_vertical = 0;
1319 case 0: // Flush Default
1321 p_box->data.p_sample_text->i_justification_horizontal = 1;
1322 p_box->data.p_sample_text->i_justification_vertical = -1;
1326 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1327 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1328 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1329 p_box->data.p_sample_text->i_background_color[3] = 0;
1331 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1332 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1333 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1334 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1337 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1339 MP4_READBOX_EXIT( 1 );
1342 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1344 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1346 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1347 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1349 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1351 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1353 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1354 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1356 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1357 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1358 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1359 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1361 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1362 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1363 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1364 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1367 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1369 MP4_READBOX_EXIT( 1 );
1374 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1375 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1377 FREENULL( p_box->data.p_sample_text->psz_text_name );
1382 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1385 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1387 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1389 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1391 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1393 MP4_ReadBoxContainerRaw( p_stream, p_box );
1396 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1397 p_box->data.p_stsd->i_entry_count );
1400 MP4_READBOX_EXIT( 1 );
1404 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1408 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1410 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1412 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1414 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1416 p_box->data.p_stsz->i_entry_size =
1417 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1419 if( !p_box->data.p_stsz->i_sample_size )
1421 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1423 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1428 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1429 p_box->data.p_stsz->i_sample_size,
1430 p_box->data.p_stsz->i_sample_count );
1433 MP4_READBOX_EXIT( 1 );
1436 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1438 FREENULL( p_box->data.p_stsz->i_entry_size );
1441 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1445 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1447 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1449 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1451 p_box->data.p_stsc->i_first_chunk =
1452 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1453 p_box->data.p_stsc->i_samples_per_chunk =
1454 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1455 p_box->data.p_stsc->i_sample_description_index =
1456 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1458 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1460 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1461 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1462 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1466 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1467 p_box->data.p_stsc->i_entry_count );
1470 MP4_READBOX_EXIT( 1 );
1473 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1475 FREENULL( p_box->data.p_stsc->i_first_chunk );
1476 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1477 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1480 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1484 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1486 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1488 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1490 p_box->data.p_co64->i_chunk_offset =
1491 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1493 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1495 if( p_box->i_type == FOURCC_stco )
1501 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1509 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1514 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1515 p_box->data.p_co64->i_entry_count );
1518 MP4_READBOX_EXIT( 1 );
1521 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1523 FREENULL( p_box->data.p_co64->i_chunk_offset );
1526 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1530 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1532 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1534 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1536 p_box->data.p_stss->i_sample_number =
1537 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1539 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1542 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1543 /* XXX in libmp4 sample begin at 0 */
1544 p_box->data.p_stss->i_sample_number[i]--;
1548 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1549 p_box->data.p_stss->i_entry_count );
1552 MP4_READBOX_EXIT( 1 );
1555 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1557 FREENULL( p_box->data.p_stss->i_sample_number )
1560 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1564 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1566 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1569 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1571 p_box->data.p_stsh->i_shadowed_sample_number =
1572 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1574 p_box->data.p_stsh->i_sync_sample_number =
1575 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1578 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1581 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1582 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1586 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1587 p_box->data.p_stsh->i_entry_count );
1589 MP4_READBOX_EXIT( 1 );
1592 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1594 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1595 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1599 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1603 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1605 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1607 p_box->data.p_stdp->i_priority =
1608 calloc( sizeof( uint16_t ), i_read / 2 );
1610 for( i = 0; i < i_read / 2 ; i++ )
1613 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1617 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1621 MP4_READBOX_EXIT( 1 );
1624 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1626 FREENULL( p_box->data.p_stdp->i_priority )
1629 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1633 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1635 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1638 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1640 p_box->data.p_padb->i_reserved1 =
1641 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1642 p_box->data.p_padb->i_pad2 =
1643 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1644 p_box->data.p_padb->i_reserved2 =
1645 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1646 p_box->data.p_padb->i_pad1 =
1647 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1650 for( i = 0; i < i_read / 2 ; i++ )
1652 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1653 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1654 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1655 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1657 p_peek += 1; i_read -= 1;
1661 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1665 MP4_READBOX_EXIT( 1 );
1668 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1670 FREENULL( p_box->data.p_padb->i_reserved1 );
1671 FREENULL( p_box->data.p_padb->i_pad2 );
1672 FREENULL( p_box->data.p_padb->i_reserved2 );
1673 FREENULL( p_box->data.p_padb->i_pad1 );
1676 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1680 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1682 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1685 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1687 p_box->data.p_elst->i_segment_duration =
1688 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1689 p_box->data.p_elst->i_media_time =
1690 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1691 p_box->data.p_elst->i_media_rate_integer =
1692 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1693 p_box->data.p_elst->i_media_rate_fraction=
1694 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1697 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1699 if( p_box->data.p_elst->i_version == 1 )
1702 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1704 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1709 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1711 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1712 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1715 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1716 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1720 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd, p_box->data.p_elst->i_entry_count );
1722 MP4_READBOX_EXIT( 1 );
1725 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1727 FREENULL( p_box->data.p_elst->i_segment_duration );
1728 FREENULL( p_box->data.p_elst->i_media_time );
1729 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1730 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1733 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1735 unsigned int i_language;
1738 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1740 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1742 i_language = GetWBE( p_peek );
1743 for( i = 0; i < 3; i++ )
1745 p_box->data.p_cprt->i_language[i] =
1746 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1748 p_peek += 2; i_read -= 2;
1749 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1752 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1753 p_box->data.p_cprt->i_language[0],
1754 p_box->data.p_cprt->i_language[1],
1755 p_box->data.p_cprt->i_language[2],
1756 p_box->data.p_cprt->psz_notice );
1759 MP4_READBOX_EXIT( 1 );
1762 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1764 FREENULL( p_box->data.p_cprt->psz_notice );
1768 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1770 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1772 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1775 "read box: \"dcom\" compression algorithm : %4.4s",
1776 (char*)&p_box->data.p_dcom->i_algorithm );
1778 MP4_READBOX_EXIT( 1 );
1781 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1783 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1785 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1787 p_box->data.p_cmvd->i_compressed_size = i_read;
1789 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1791 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1795 /* now copy compressed data */
1796 memcpy( p_box->data.p_cmvd->p_data,
1800 p_box->data.p_cmvd->b_compressed = 1;
1803 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1804 p_box->data.p_cmvd->i_compressed_size );
1807 MP4_READBOX_EXIT( 1 );
1809 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1811 FREENULL( p_box->data.p_cmvd->p_data );
1815 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1821 stream_t *p_stream_memory;
1827 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1829 msg_Err( p_stream, "out of memory" );
1832 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1834 if( !p_box->p_father ||
1835 ( p_box->p_father->i_type != FOURCC_moov &&
1836 p_box->p_father->i_type != FOURCC_foov ) )
1838 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1842 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1847 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1848 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1849 p_cmvd->data.p_cmvd->p_data == NULL )
1851 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1855 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1857 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1858 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1863 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1867 /* decompress data */
1868 /* allocate a new buffer */
1869 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1871 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1872 "uncompress data" );
1875 /* init default structures */
1876 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1877 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1878 z_data.next_out = p_data;
1879 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1880 z_data.zalloc = (alloc_func)Z_NULL;
1881 z_data.zfree = (free_func)Z_NULL;
1882 z_data.opaque = (voidpf)Z_NULL;
1885 if( inflateInit( &z_data ) != Z_OK )
1887 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1893 i_result = inflate( &z_data, Z_NO_FLUSH );
1894 if( i_result != Z_OK && i_result != Z_STREAM_END )
1896 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1901 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1903 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1906 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1909 if( inflateEnd( &z_data ) != Z_OK )
1911 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1915 free( p_cmvd->data.p_cmvd->p_data );
1916 p_cmvd->data.p_cmvd->p_data = p_data;
1917 p_cmvd->data.p_cmvd->b_compressed = 0;
1919 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1921 /* now create a memory stream */
1923 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1924 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1926 /* and read uncompressd moov */
1927 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1929 stream_Delete( p_stream_memory );
1932 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1935 return p_box->data.p_cmov->p_moov ? 1 : 0;
1936 #endif /* HAVE_ZLIB_H */
1939 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1942 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1944 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1945 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1946 MP4_GET4BYTES( i_len );
1950 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1951 for( i = 0; i < i_len; i++ )
1953 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1955 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1959 p_box->data.p_rdrf->psz_ref = NULL;
1964 "read box: \"rdrf\" type:%4.4s ref %s",
1965 (char*)&p_box->data.p_rdrf->i_ref_type,
1966 p_box->data.p_rdrf->psz_ref );
1969 MP4_READBOX_EXIT( 1 );
1972 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1974 FREENULL( p_box->data.p_rdrf->psz_ref )
1978 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1980 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1982 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1984 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1988 "read box: \"rmdr\" rate:%d",
1989 p_box->data.p_rmdr->i_rate );
1991 MP4_READBOX_EXIT( 1 );
1994 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1996 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1998 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2002 "read box: \"rmqu\" quality:%d",
2003 p_box->data.p_rmqu->i_quality );
2005 MP4_READBOX_EXIT( 1 );
2008 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2010 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2011 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2013 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2014 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2015 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2016 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2020 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2021 (char*)&p_box->data.p_rmvc->i_gestaltType,
2022 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2023 p_box->data.p_rmvc->i_checkType );
2026 MP4_READBOX_EXIT( 1 );
2029 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2031 MP4_Box_t *p_drms_box = p_box;
2033 MP4_READBOX_ENTER( uint8_t );
2037 p_drms_box = p_drms_box->p_father;
2038 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2040 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2043 if( config_GetInt( p_stream, "france" ) )
2049 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2050 p_box->i_type, p_peek, i_read );
2054 const char *psz_error;
2058 case -1: psz_error = "unimplemented"; break;
2059 case -2: psz_error = "invalid argument"; break;
2060 case -3: psz_error = "could not get system key"; break;
2061 case -4: psz_error = "could not get SCI data"; break;
2062 case -5: psz_error = "no user key found in SCI data"; break;
2063 case -6: psz_error = "invalid user key"; break;
2064 case -7: psz_error = "you live in France"; break;
2065 default: psz_error = "unknown error"; break;
2068 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2069 (char *)&p_box->i_type, psz_error );
2071 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2072 p_drms_box->data.p_sample_soun->p_drms = NULL;
2076 MP4_READBOX_EXIT( 1 );
2079 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2081 uint16_t i_length, i_dummy;
2083 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2085 p_box->data.p_0xa9xxx->psz_text = NULL;
2087 MP4_GET2BYTES( i_length );
2091 MP4_GET2BYTES( i_dummy );
2092 if( i_length > i_read ) i_length = i_read;
2094 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2096 memcpy( p_box->data.p_0xa9xxx->psz_text,
2098 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2102 "read box: \"c%3.3s\" text=`%s'",
2103 ((char*)&p_box->i_type + 1),
2104 p_box->data.p_0xa9xxx->psz_text );
2109 /* try iTune/Quicktime format, rewind to start */
2110 p_peek -= 2; i_read += 2;
2111 // we are expecting a 'data' box
2112 uint32_t i_data_len;
2113 uint32_t i_data_tag;
2115 MP4_GET4BYTES( i_data_len );
2116 if( i_data_len > i_read ) i_data_len = i_read;
2117 MP4_GETFOURCC( i_data_tag );
2118 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2120 /* data box contains a version/flags field */
2122 uint32_t i_reserved;
2123 MP4_GET4BYTES( i_version );
2124 MP4_GET4BYTES( i_reserved );
2125 // version should be 0, flags should be 1 for text, 0 for data
2126 if( i_version == 0x00000001 )
2128 // the rest is the text
2130 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2132 memcpy( p_box->data.p_0xa9xxx->psz_text,
2133 p_peek, i_data_len );
2134 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2137 "read box: \"c%3.3s\" text=`%s'",
2138 ((char*)&p_box->i_type+1),
2139 p_box->data.p_0xa9xxx->psz_text );
2144 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2149 MP4_READBOX_EXIT( 1 );
2151 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2153 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2156 /* Chapter support */
2157 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2159 MP4_Box_data_chpl_t *p_chpl;
2162 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2164 p_chpl = p_box->data.p_chpl;
2166 MP4_GETVERSIONFLAGS( p_chpl );
2168 MP4_GET4BYTES( i_dummy );
2170 MP4_GET1BYTE( p_chpl->i_chapter );
2172 for( i = 0; i < p_chpl->i_chapter; i++ )
2177 MP4_GET8BYTES( i_start );
2178 MP4_GET1BYTE( i_len );
2180 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2181 i_copy = __MIN( i_len, i_read );
2183 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2184 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2185 p_chpl->chapter[i].i_start = i_start;
2190 /* Bubble sort by increasing start date */
2193 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2195 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2197 char *psz = p_chpl->chapter[i+1].psz_name;
2198 int64_t i64 = p_chpl->chapter[i+1].i_start;
2200 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2201 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2203 p_chpl->chapter[i].psz_name = psz;
2204 p_chpl->chapter[i].i_start = i64;
2213 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2214 p_chpl->i_chapter );
2216 MP4_READBOX_EXIT( 1 );
2218 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2220 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2222 for( i = 0; i < p_chpl->i_chapter; i++ )
2223 free( p_chpl->chapter[i].psz_name );
2226 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2229 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2231 p_box->data.p_tref_generic->i_track_ID = NULL;
2232 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2233 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2234 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2236 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2238 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2241 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2242 p_box->data.p_tref_generic->i_entry_count );
2245 MP4_READBOX_EXIT( 1 );
2247 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2249 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2252 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2254 uint8_t meta_data[8];
2255 int i_actually_read;
2257 // skip over box header
2258 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2259 if( i_actually_read < 8 )
2262 /* meta content starts with a 4 byte version/flags value (should be 0) */
2263 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2264 if( i_actually_read < 4 )
2267 /* then it behaves like a container */
2268 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2272 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2274 if( !p_box->p_father )
2278 if( p_box->p_father->i_type == FOURCC_stsd )
2280 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2283 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2284 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2288 switch( p_hdlr->data.p_hdlr->i_handler_type )
2291 return MP4_ReadBox_sample_soun( p_stream, p_box );
2293 return MP4_ReadBox_sample_vide( p_stream, p_box );
2295 return MP4_ReadBox_sample_text( p_stream, p_box );
2297 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2300 "unknown handler type in stsd (uncompletetly loaded)" );
2307 "unknown box type %4.4s (uncompletetly loaded)",
2308 (char*)&p_box->i_type );
2313 /**** ------------------------------------------------------------------- ****/
2314 /**** "Higher level" Functions ****/
2315 /**** ------------------------------------------------------------------- ****/
2320 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2321 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2322 } MP4_Box_Function [] =
2325 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2326 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2327 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2328 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2329 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2330 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2331 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2332 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2333 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2334 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2335 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2336 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2337 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2338 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2339 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2340 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2341 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2344 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2345 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2346 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2347 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2348 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2349 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2350 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2351 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2352 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2353 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2354 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2355 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2356 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2357 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2358 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2359 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2360 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2361 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2362 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2363 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2364 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2365 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2366 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2367 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2368 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2369 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2370 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2371 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2372 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2374 /* Nothing to do with this box */
2375 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2376 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2377 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2378 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2381 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2382 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2383 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2384 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2385 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2386 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2387 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2388 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2389 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2390 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2391 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2392 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2393 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2394 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2395 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2396 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2397 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2398 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2399 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2400 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2401 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2402 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2403 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2405 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2406 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2407 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2408 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2409 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2410 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2411 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2412 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2413 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2414 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2415 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2416 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2417 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2418 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2419 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2420 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2421 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2422 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2423 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2424 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2425 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2426 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2427 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2429 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2430 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2432 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2433 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2434 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2435 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2436 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2438 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2439 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2441 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2442 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2444 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2446 /* XXX there is 2 box where we could find this entry stbl and tref*/
2447 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2449 /* found in tref box */
2450 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2451 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2452 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2453 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2456 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2459 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2460 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2461 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2462 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2464 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2465 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2466 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2467 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2468 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2469 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2470 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2471 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2474 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2475 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2476 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2477 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2478 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2479 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2480 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2481 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2482 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2483 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2484 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2485 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2486 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2487 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2488 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2489 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2490 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2491 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2492 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2493 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2494 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2495 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2496 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2497 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2498 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2500 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2502 /* iTunes/Quicktime meta info */
2503 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2506 { 0, MP4_ReadBox_default, NULL }
2511 /*****************************************************************************
2512 * MP4_ReadBox : parse the actual box and the children
2513 * XXX : Do not go to the next box
2514 *****************************************************************************/
2515 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2517 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2518 unsigned int i_index;
2520 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2522 msg_Warn( p_stream, "cannot read one box" );
2526 if( !p_box->i_size )
2528 msg_Dbg( p_stream, "found an empty box (null size)" );
2532 p_box->p_father = p_father;
2534 /* Now search function to call */
2535 for( i_index = 0; ; i_index++ )
2537 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2538 ( MP4_Box_Function[i_index].i_type == 0 ) )
2544 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2553 /*****************************************************************************
2554 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2556 *****************************************************************************/
2557 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2559 unsigned int i_index;
2567 for( p_child = p_box->p_first; p_child != NULL; )
2571 p_next = p_child->p_next;
2572 MP4_BoxFree( s, p_child );
2576 /* Now search function to call */
2577 if( p_box->data.p_data )
2579 for( i_index = 0; ; i_index++ )
2581 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2582 ( MP4_Box_Function[i_index].i_type == 0 ) )
2587 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2589 /* Should not happen */
2591 "cannot free box %4.4s, type unknown",
2592 (char*)&p_box->i_type );
2596 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2599 free( p_box->data.p_data );
2605 /*****************************************************************************
2606 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2607 *****************************************************************************
2608 * The first box is a virtual box "root" and is the father for all first
2609 * level boxes for the file, a sort of virtual contener
2610 *****************************************************************************/
2611 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2617 p_root = malloc( sizeof( MP4_Box_t ) );
2619 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2620 p_root->i_shortsize = 1;
2621 p_root->i_size = stream_Size( s );
2622 CreateUUID( &p_root->i_uuid, p_root->i_type );
2624 p_root->data.p_data = NULL;
2625 p_root->p_father = NULL;
2626 p_root->p_first = NULL;
2627 p_root->p_last = NULL;
2628 p_root->p_next = NULL;
2632 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2640 /* check if there is a cmov, if so replace
2641 compressed moov by uncompressed one */
2642 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2643 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2644 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2645 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2647 /* rename the compressed moov as a box to skip */
2648 p_moov->i_type = FOURCC_skip;
2650 /* get uncompressed p_moov */
2651 p_moov = p_cmov->data.p_cmov->p_moov;
2652 p_cmov->data.p_cmov->p_moov = NULL;
2654 /* make p_root father of this new moov */
2655 p_moov->p_father = p_root;
2657 /* insert this new moov box as first child of p_root */
2658 p_moov->p_next = p_child = p_root->p_first;
2659 p_root->p_first = p_moov;
2667 static void __MP4_BoxDumpStructure( stream_t *s,
2668 MP4_Box_t *p_box, unsigned int i_level )
2674 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2675 (char*)&p_box->i_type );
2681 memset( str, (uint8_t)' ', 512 );
2682 for( i = 0; i < i_level; i++ )
2686 sprintf( str + i_level * 5, "+ %4.4s size %d",
2687 (char*)&p_box->i_type,
2688 (uint32_t)p_box->i_size );
2690 msg_Dbg( s, "%s", str );
2692 p_child = p_box->p_first;
2695 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2696 p_child = p_child->p_next;
2700 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2702 __MP4_BoxDumpStructure( s, p_box, 0 );
2707 /*****************************************************************************
2708 *****************************************************************************
2710 ** High level methods to acces an MP4 file
2712 *****************************************************************************
2713 *****************************************************************************/
2714 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2717 if( !*ppsz_path[0] )
2724 while( (*ppsz_path)[i_len] &&
2725 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2729 if( !i_len && **ppsz_path == '/' )
2733 *ppsz_token = malloc( i_len + 1 );
2735 memcpy( *ppsz_token, *ppsz_path, i_len );
2737 (*ppsz_token)[i_len] = '\0';
2739 *ppsz_path += i_len;
2741 if( **ppsz_path == '[' )
2744 *pi_number = strtol( *ppsz_path, NULL, 10 );
2745 while( **ppsz_path && **ppsz_path != ']' )
2749 if( **ppsz_path == ']' )
2758 while( **ppsz_path == '/' )
2764 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2765 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2776 vasprintf( &psz_path, psz_fmt, args );
2778 if( !psz_path || !psz_path[0] )
2780 FREENULL( psz_path );
2785 // fprintf( stderr, "path:'%s'\n", psz_path );
2786 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2792 __get_token( &psz_path, &psz_token, &i_number );
2793 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2794 // psz_path,psz_token,i_number );
2797 FREENULL( psz_token );
2803 if( !strcmp( psz_token, "/" ) )
2806 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2808 p_box = p_box->p_father;
2819 if( !strcmp( psz_token, "." ) )
2824 if( !strcmp( psz_token, ".." ) )
2826 p_box = p_box->p_father;
2836 if( strlen( psz_token ) == 4 )
2839 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2840 psz_token[2], psz_token[3] );
2841 p_box = p_box->p_first;
2851 if( p_box->i_type == i_fourcc )
2859 p_box = p_box->p_next;
2863 if( strlen( psz_token ) == 0 )
2865 p_box = p_box->p_first;
2880 p_box = p_box->p_next;
2885 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2886 FREENULL( psz_token );
2896 /*****************************************************************************
2897 * MP4_BoxGet: find a box given a path relative to p_box
2898 *****************************************************************************
2899 * Path Format: . .. / as usual
2900 * [number] to specifie box number ex: trak[12]
2902 * ex: /moov/trak[12]
2904 *****************************************************************************/
2905 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2908 MP4_Box_t *p_result;
2910 va_start( args, psz_fmt );
2911 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2917 /*****************************************************************************
2918 * MP4_BoxCount: count box given a path relative to p_box
2919 *****************************************************************************
2920 * Path Format: . .. / as usual
2921 * [number] to specifie box number ex: trak[12]
2923 * ex: /moov/trak[12]
2925 *****************************************************************************/
2926 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2930 MP4_Box_t *p_result, *p_next;
2932 va_start( args, psz_fmt );
2933 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2941 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2943 if( p_next->i_type == p_result->i_type)