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 *****************************************************************************/
30 #include <vlc_demux.h>
33 # include <zlib.h> /* for compressed moov */
39 /*****************************************************************************
40 * Here are defined some macro to make life simpler but before using it
43 *****************************************************************************/
44 #define MP4_BOX_HEADERSIZE( p_box ) \
45 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
46 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
48 #define MP4_GETX_PRIVATE(dst, code, size) do { \
49 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
54 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
55 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
56 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
57 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
58 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
59 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
60 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
62 #define MP4_GETVERSIONFLAGS( p_void ) \
63 MP4_GET1BYTE( p_void->i_version ); \
64 MP4_GET3BYTES( p_void->i_flags )
66 #define MP4_GETSTRINGZ( p_str ) \
67 if( (i_read > 0) && (p_peek[0]) ) \
69 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
70 p_str = malloc( __i_copy__+1 ); \
73 memcpy( p_str, p_peek, __i_copy__ ); \
74 p_str[__i_copy__] = 0; \
76 p_peek += __i_copy__ + 1; \
77 i_read -= __i_copy__ + 1; \
84 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
85 int64_t i_read = p_box->i_size; \
86 uint8_t *p_peek, *p_buff; \
87 int i_actually_read; \
88 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
92 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
93 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
98 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
99 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
100 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
106 #define MP4_READBOX_EXIT( i_code ) \
110 msg_Warn( p_stream, "Not enough data" ); \
116 * The input method HAVE to be seekable
120 /* This macro is used when we want to printf the box type
121 * APPLE annotation box is :
122 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
123 * either 32-bit ASCII text string
125 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
127 static uint32_t Get24bBE( const uint8_t *p )
129 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
132 static void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
134 memcpy( p_uuid, p_buff, 16 );
137 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
139 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
140 where XXXXXXXX is the fourcc */
141 /* FIXME implement this */
146 /* some functions for mp4 encoding of variables */
148 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
155 /* date begin at 1 jan 1904 */
156 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
158 i_day = i_date / ( 60*60*24);
159 i_hour = ( i_date /( 60*60 ) ) % 60;
160 i_min = ( i_date / 60 ) % 60;
162 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
165 /*****************************************************************************
167 *****************************************************************************/
168 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
171 /*****************************************************************************
172 * MP4_ReadBoxCommon : Load only common parameters for all boxes
173 *****************************************************************************
174 * p_box need to be an already allocated MP4_Box_t, and all data
175 * will only be peek not read
177 * RETURN : 0 if it fail, 1 otherwise
178 *****************************************************************************/
179 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
182 const uint8_t *p_peek;
184 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
188 p_box->i_pos = stream_Tell( p_stream );
190 p_box->data.p_data = NULL;
191 p_box->p_father = NULL;
192 p_box->p_first = NULL;
193 p_box->p_last = NULL;
194 p_box->p_next = NULL;
196 MP4_GET4BYTES( p_box->i_shortsize );
197 MP4_GETFOURCC( p_box->i_type );
199 /* Now special case */
201 if( p_box->i_shortsize == 1 )
203 /* get the true size on 64 bits */
204 MP4_GET8BYTES( p_box->i_size );
208 p_box->i_size = p_box->i_shortsize;
209 /* XXX size of 0 means that the box extends to end of file */
212 if( p_box->i_type == FOURCC_uuid )
214 /* get extented type on 16 bytes */
215 GetUUID( &p_box->i_uuid, p_peek );
216 p_peek += 16; i_read -= 16;
220 CreateUUID( &p_box->i_uuid, p_box->i_type );
225 if MP4_BOX_TYPE_ASCII()
226 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
227 (char*)&p_box->i_type, p_box->i_size );
229 msg_Dbg( p_stream, "found Box: c%3.3s size "I64Fd,
230 (char*)&p_box->i_type+1, p_box->i_size );
237 /*****************************************************************************
238 * MP4_NextBox : Go to the next box
239 *****************************************************************************
240 * if p_box == NULL, go to the next box in which we are( at the begining ).
241 *****************************************************************************/
242 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
248 MP4_ReadBoxCommon( p_stream, &box );
254 return 2; /* Box with infinite size */
257 if( p_box->p_father )
259 const int i_box_end = p_box->i_size + p_box->i_pos;
260 const int i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
262 /* check if it's within p-father */
263 if( i_box_end >= i_father_end )
265 if( i_box_end > i_father_end )
266 msg_Dbg( p_stream, "out of bound child" );
267 return 0; /* out of bound */
270 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
278 /*****************************************************************************
279 * For all known box a loader is given,
280 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
281 * after called one of theses functions, file position is unknown
282 * you need to call MP4_GotoBox to go where you want
283 *****************************************************************************/
284 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
288 if( stream_Tell( p_stream ) + 8 >
289 (off_t)(p_container->i_pos + p_container->i_size) )
291 /* there is no box to load */
297 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
299 /* chain this box with the father and the other at same level */
300 if( !p_container->p_first ) p_container->p_first = p_box;
301 else p_container->p_last->p_next = p_box;
302 p_container->p_last = p_box;
304 } while( MP4_NextBox( p_stream, p_box ) == 1 );
309 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
311 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
313 /* container is empty, 8 stand for the first header in this box */
318 stream_Seek( p_stream, p_container->i_pos +
319 MP4_BOX_HEADERSIZE( p_container ) );
321 return MP4_ReadBoxContainerRaw( p_stream, p_container );
324 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
326 /* Up to now do nothing */
330 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
332 /* XXX sometime moov is hiden in a free box */
333 if( p_box->p_father &&
334 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
335 p_box->i_type == FOURCC_free )
337 const uint8_t *p_peek;
341 i_read = stream_Peek( p_stream, &p_peek, 44 );
343 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
344 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
348 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
350 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
352 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
354 p_box->i_type = FOURCC_foov;
355 return MP4_ReadBoxContainer( p_stream, p_box );
362 if MP4_BOX_TYPE_ASCII()
363 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
365 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
370 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
373 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
375 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
376 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
378 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
381 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
382 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
388 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
390 MP4_GETFOURCC( tab[i] );
395 p_box->data.p_ftyp->i_compatible_brands = NULL;
400 MP4_READBOX_EXIT( code );
403 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
405 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
409 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
413 char s_creation_time[128];
414 char s_modification_time[128];
415 char s_duration[128];
417 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
419 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
421 if( p_box->data.p_mvhd->i_version )
423 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
424 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
425 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
426 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
430 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
431 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
432 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
433 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
435 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
436 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
437 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
440 for( i = 0; i < 2; i++ )
442 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
444 for( i = 0; i < 9; i++ )
446 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
448 for( i = 0; i < 6; i++ )
450 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
453 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
457 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
458 MP4_ConvertDate2Str( s_modification_time,
459 p_box->data.p_mvhd->i_modification_time );
460 if( p_box->data.p_mvhd->i_rate )
462 MP4_ConvertDate2Str( s_duration,
463 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
469 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
472 (uint32_t)p_box->data.p_mvhd->i_timescale,
474 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
475 (float)p_box->data.p_mvhd->i_volume / 256 ,
476 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
478 MP4_READBOX_EXIT( 1 );
481 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
485 char s_creation_time[128];
486 char s_modification_time[128];
487 char s_duration[128];
489 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
491 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
493 if( p_box->data.p_tkhd->i_version )
495 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
496 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
497 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
498 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
499 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
503 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
504 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
505 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
506 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
507 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
510 for( i = 0; i < 2; i++ )
512 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
514 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
515 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
516 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
517 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
519 for( i = 0; i < 9; i++ )
521 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
523 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
524 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
527 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
528 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
529 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
531 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
535 p_box->data.p_tkhd->i_track_ID,
536 p_box->data.p_tkhd->i_layer,
537 (float)p_box->data.p_tkhd->i_volume / 256 ,
538 (float)p_box->data.p_tkhd->i_width / 65536,
539 (float)p_box->data.p_tkhd->i_height / 65536 );
541 MP4_READBOX_EXIT( 1 );
545 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
550 char s_creation_time[128];
551 char s_modification_time[128];
552 char s_duration[128];
554 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
556 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
558 if( p_box->data.p_mdhd->i_version )
560 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
561 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
562 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
563 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
567 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
568 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
569 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
570 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
572 i_language = GetWBE( p_peek );
573 for( i = 0; i < 3; i++ )
575 p_box->data.p_mdhd->i_language[i] =
576 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
579 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
582 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
583 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
584 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
585 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
588 (uint32_t)p_box->data.p_mdhd->i_timescale,
590 p_box->data.p_mdhd->i_language[0],
591 p_box->data.p_mdhd->i_language[1],
592 p_box->data.p_mdhd->i_language[2] );
594 MP4_READBOX_EXIT( 1 );
598 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
603 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
605 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
607 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
608 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
610 MP4_GET4BYTES( i_reserved );
611 MP4_GET4BYTES( i_reserved );
612 MP4_GET4BYTES( i_reserved );
613 p_box->data.p_hdlr->psz_name = NULL;
617 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
621 /* Yes, I love .mp4 :( */
622 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
627 MP4_GET1BYTE( i_len );
628 i_copy = __MIN( i_read, i_len );
630 memcpy( psz, p_peek, i_copy );
631 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
635 memcpy( psz, p_peek, i_read );
636 p_box->data.p_hdlr->psz_name[i_read] = '\0';
641 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
642 (char*)&p_box->data.p_hdlr->i_handler_type,
643 p_box->data.p_hdlr->psz_name );
649 MP4_READBOX_EXIT( code );
652 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
654 FREENULL( p_box->data.p_hdlr->psz_name );
657 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
661 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
663 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
665 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
666 for( i = 0; i < 3; i++ )
668 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
672 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
673 p_box->data.p_vmhd->i_graphics_mode,
674 p_box->data.p_vmhd->i_opcolor[0],
675 p_box->data.p_vmhd->i_opcolor[1],
676 p_box->data.p_vmhd->i_opcolor[2] );
678 MP4_READBOX_EXIT( 1 );
681 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
683 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
685 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
689 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
691 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
694 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
695 (float)p_box->data.p_smhd->i_balance / 256 );
697 MP4_READBOX_EXIT( 1 );
701 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
703 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
705 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
707 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
708 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
710 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
711 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
713 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
716 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
717 p_box->data.p_hmhd->i_max_PDU_size,
718 p_box->data.p_hmhd->i_avg_PDU_size,
719 p_box->data.p_hmhd->i_max_bitrate,
720 p_box->data.p_hmhd->i_avg_bitrate );
722 MP4_READBOX_EXIT( 1 );
725 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
727 MP4_READBOX_ENTER( MP4_Box_data_url_t );
729 MP4_GETVERSIONFLAGS( p_box->data.p_url );
730 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
733 msg_Dbg( p_stream, "read box: \"url\" url: %s",
734 p_box->data.p_url->psz_location );
737 MP4_READBOX_EXIT( 1 );
741 static void MP4_FreeBox_url( MP4_Box_t *p_box )
743 FREENULL( p_box->data.p_url->psz_location );
746 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
748 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
750 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
752 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
753 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
756 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
757 p_box->data.p_urn->psz_name,
758 p_box->data.p_urn->psz_location );
760 MP4_READBOX_EXIT( 1 );
762 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
764 FREENULL( p_box->data.p_urn->psz_name );
765 FREENULL( p_box->data.p_urn->psz_location );
769 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
771 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
773 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
775 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
777 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
778 MP4_ReadBoxContainerRaw( p_stream, p_box );
781 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
782 p_box->data.p_dref->i_entry_count );
785 MP4_READBOX_EXIT( 1 );
788 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
790 FREENULL( p_box->data.p_stts->i_sample_count );
791 FREENULL( p_box->data.p_stts->i_sample_delta );
794 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
796 unsigned int i, code = 0;
797 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
799 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
800 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
802 p_box->data.p_stts->i_sample_count =
803 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
804 p_box->data.p_stts->i_sample_delta =
805 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
806 if( p_box->data.p_stts->i_sample_count == NULL
807 || p_box->data.p_stts->i_sample_delta == NULL )
809 MP4_FreeBox_stts( p_box );
813 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
815 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
816 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
820 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
821 p_box->data.p_stts->i_entry_count );
826 MP4_READBOX_EXIT( code );
830 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
832 FREENULL( p_box->data.p_ctts->i_sample_count );
833 FREENULL( p_box->data.p_ctts->i_sample_offset );
836 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
838 unsigned int i, code = 0;
839 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
841 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
843 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
845 p_box->data.p_ctts->i_sample_count =
846 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
847 p_box->data.p_ctts->i_sample_offset =
848 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
849 if( ( p_box->data.p_ctts->i_sample_count == NULL )
850 || ( p_box->data.p_ctts->i_sample_offset == NULL ) )
852 MP4_FreeBox_ctts( p_box );
856 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
858 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
859 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
864 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
865 p_box->data.p_ctts->i_entry_count );
869 MP4_READBOX_EXIT( code );
873 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
876 unsigned int i_len = 0;
883 i_len = ( i_len << 7 ) + ( i_b&0x7f );
888 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
890 #define es_descriptor p_box->data.p_esds->es_descriptor
892 unsigned int i_flags;
895 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
897 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
900 MP4_GET1BYTE( i_type );
901 if( i_type == 0x03 ) /* MP4ESDescrTag */
903 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
906 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
910 MP4_GET2BYTES( es_descriptor.i_ES_ID );
911 MP4_GET1BYTE( i_flags );
912 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
913 es_descriptor.b_url = ( (i_flags&0x40) != 0);
914 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
916 es_descriptor.i_stream_priority = i_flags&0x1f;
917 if( es_descriptor.b_stream_dependence )
919 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
921 if( es_descriptor.b_url )
925 MP4_GET1BYTE( i_len );
926 es_descriptor.psz_URL = malloc( i_len + 1 );
927 if( es_descriptor.psz_URL )
929 memcpy( es_descriptor.psz_URL, p_peek, i_len );
930 es_descriptor.psz_URL[i_len] = 0;
937 es_descriptor.psz_URL = NULL;
939 if( es_descriptor.b_OCRstream )
941 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
943 MP4_GET1BYTE( i_type ); /* get next type */
946 if( i_type != 0x04)/* MP4DecConfigDescrTag */
948 es_descriptor.p_decConfigDescr = NULL;
949 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
952 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
955 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
959 es_descriptor.p_decConfigDescr =
960 malloc( sizeof( MP4_descriptor_decoder_config_t ));
962 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
963 MP4_GET1BYTE( i_flags );
964 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
965 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
966 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
967 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
968 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
969 MP4_GET1BYTE( i_type );
970 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
972 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
973 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
974 MP4_READBOX_EXIT( 1 );
977 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
980 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
984 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
985 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
986 if( es_descriptor.p_decConfigDescr->p_decoder_specific_info )
987 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
990 MP4_READBOX_EXIT( 1 );
995 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
997 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
998 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1000 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1002 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1005 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1007 MP4_Box_data_avcC_t *p_avcC;
1010 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1011 p_avcC = p_box->data.p_avcC;
1013 p_avcC->i_avcC = i_read;
1014 if( p_avcC->i_avcC > 0 )
1016 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1018 memcpy( p, p_peek, i_read );
1021 MP4_GET1BYTE( p_avcC->i_version );
1022 MP4_GET1BYTE( p_avcC->i_profile );
1023 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1024 MP4_GET1BYTE( p_avcC->i_level );
1025 MP4_GET1BYTE( p_avcC->i_reserved1 );
1026 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1027 p_avcC->i_reserved1 >>= 2;
1029 MP4_GET1BYTE( p_avcC->i_reserved2 );
1030 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1031 p_avcC->i_reserved2 >>= 5;
1033 if( p_avcC->i_sps > 0 )
1035 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
1036 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
1038 for( i = 0; i < p_avcC->i_sps; i++ )
1040 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1041 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1042 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1044 p_peek += p_avcC->i_sps_length[i];
1045 i_read -= p_avcC->i_sps_length[i];
1049 MP4_GET1BYTE( p_avcC->i_pps );
1050 if( p_avcC->i_pps > 0 )
1052 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1053 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1055 for( i = 0; i < p_avcC->i_pps; i++ )
1057 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1058 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1059 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1061 p_peek += p_avcC->i_pps_length[i];
1062 i_read -= p_avcC->i_pps_length[i];
1067 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1068 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1069 p_avcC->i_length_size,
1070 p_avcC->i_sps, p_avcC->i_pps );
1071 for( i = 0; i < p_avcC->i_sps; i++ )
1073 msg_Dbg( p_stream, " - sps[%d] length=%d",
1074 i, p_avcC->i_sps_length[i] );
1076 for( i = 0; i < p_avcC->i_pps; i++ )
1078 msg_Dbg( p_stream, " - pps[%d] length=%d",
1079 i, p_avcC->i_pps_length[i] );
1083 MP4_READBOX_EXIT( 1 );
1086 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1088 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1091 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1093 for( i = 0; i < p_avcC->i_sps; i++ )
1095 FREENULL( p_avcC->sps[i] );
1097 for( i = 0; i < p_avcC->i_pps; i++ )
1099 FREENULL( p_avcC->pps[i] );
1101 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1102 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1103 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1104 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1107 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1111 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1112 p_box->data.p_sample_soun->p_qt_description = NULL;
1114 /* Sanity check needed because the "wave" box does also contain an
1115 * "mp4a" box that we don't understand. */
1119 MP4_READBOX_EXIT( 1 );
1122 for( i = 0; i < 6 ; i++ )
1124 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1127 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1130 * XXX hack -> produce a copy of the nearly complete chunk
1134 p_box->data.p_sample_soun->i_qt_description = i_read;
1135 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1136 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1140 p_box->data.p_sample_soun->i_qt_description = 0;
1141 p_box->data.p_sample_soun->p_qt_description = NULL;
1144 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1145 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1146 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1148 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1149 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1150 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1151 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1152 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1153 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1155 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1157 /* SoundDescriptionV1 */
1158 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1159 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1160 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1161 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1165 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1166 "bytes/frame=%d bytes/sample=%d",
1167 p_box->data.p_sample_soun->i_sample_per_packet,
1168 p_box->data.p_sample_soun->i_bytes_per_packet,
1169 p_box->data.p_sample_soun->i_bytes_per_frame,
1170 p_box->data.p_sample_soun->i_bytes_per_sample );
1172 stream_Seek( p_stream, p_box->i_pos +
1173 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1175 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1177 /* SoundDescriptionV2 */
1178 double f_sample_rate;
1182 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1183 MP4_GET8BYTES( dummy );
1184 memcpy( &f_sample_rate, &dummy, 8 );
1186 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1187 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1188 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1190 MP4_GET4BYTES( i_channel );
1191 p_box->data.p_sample_soun->i_channelcount = i_channel;
1194 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1196 stream_Seek( p_stream, p_box->i_pos +
1197 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1201 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1202 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1203 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1204 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1206 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1208 stream_Seek( p_stream, p_box->i_pos +
1209 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1212 if( p_box->i_type == FOURCC_drms )
1214 p_box->data.p_sample_soun->p_drms =
1215 drms_alloc( p_stream->p_libvlc->psz_homedir );
1217 if( p_box->data.p_sample_soun->p_drms == NULL )
1219 msg_Err( p_stream, "drms_alloc() failed" );
1223 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1225 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1226 p_box->data.p_sample_soun->i_channelcount = 1;
1229 if( p_box->i_type == FOURCC_alac )
1231 free( p_box->data.p_sample_soun->p_qt_description );
1233 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1234 p_box->data.p_sample_soun->i_qt_description = i_read;
1235 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1239 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1243 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1244 "sample size %d sample rate %f",
1245 p_box->data.p_sample_soun->i_channelcount,
1246 p_box->data.p_sample_soun->i_samplesize,
1247 (float)p_box->data.p_sample_soun->i_sampleratehi +
1248 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1251 MP4_READBOX_EXIT( 1 );
1255 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1257 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1259 if( p_box->i_type == FOURCC_drms )
1261 if( p_box->data.p_sample_soun->p_drms )
1263 drms_free( p_box->data.p_sample_soun->p_drms );
1269 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1273 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1275 for( i = 0; i < 6 ; i++ )
1277 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1280 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1283 * XXX hack -> produce a copy of the nearly complete chunk
1287 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1288 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1289 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1294 p_box->data.p_sample_vide->i_qt_image_description = 0;
1295 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1298 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1299 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1300 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1302 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1303 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1305 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1306 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1308 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1309 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1311 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1312 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1314 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1315 p_peek += 32; i_read -= 32;
1317 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1318 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1320 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1321 MP4_ReadBoxContainerRaw( p_stream, p_box );
1324 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1325 p_box->data.p_sample_vide->i_width,
1326 p_box->data.p_sample_vide->i_height,
1327 p_box->data.p_sample_vide->i_depth );
1330 MP4_READBOX_EXIT( 1 );
1334 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1336 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1339 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1341 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1342 MP4_ReadBoxContainerRaw( p_stream, p_box );
1346 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1350 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1352 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1353 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1355 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1357 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1362 /* FIXME search right signification */
1364 p_box->data.p_sample_text->i_justification_horizontal = 1;
1365 p_box->data.p_sample_text->i_justification_vertical = 1;
1367 case -1: // Flush Right
1368 p_box->data.p_sample_text->i_justification_horizontal = -1;
1369 p_box->data.p_sample_text->i_justification_vertical = -1;
1371 case -2: // Flush Left
1372 p_box->data.p_sample_text->i_justification_horizontal = 0;
1373 p_box->data.p_sample_text->i_justification_vertical = 0;
1375 case 0: // Flush Default
1377 p_box->data.p_sample_text->i_justification_horizontal = 1;
1378 p_box->data.p_sample_text->i_justification_vertical = -1;
1382 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1383 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1384 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1385 p_box->data.p_sample_text->i_background_color[3] = 0;
1387 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1388 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1389 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1390 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1393 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1395 MP4_READBOX_EXIT( 1 );
1398 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1400 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1402 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1403 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1405 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1407 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1409 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1410 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1412 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1413 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1414 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1415 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1417 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1418 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1419 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1420 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1423 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1425 MP4_READBOX_EXIT( 1 );
1430 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1431 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1433 FREENULL( p_box->data.p_sample_text->psz_text_name );
1438 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1441 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1443 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1445 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1447 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1449 MP4_ReadBoxContainerRaw( p_stream, p_box );
1452 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1453 p_box->data.p_stsd->i_entry_count );
1456 MP4_READBOX_EXIT( 1 );
1460 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1464 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1466 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1468 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1470 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1472 p_box->data.p_stsz->i_entry_size =
1473 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1475 if( !p_box->data.p_stsz->i_sample_size )
1477 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1479 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1484 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1485 p_box->data.p_stsz->i_sample_size,
1486 p_box->data.p_stsz->i_sample_count );
1489 MP4_READBOX_EXIT( 1 );
1492 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1494 FREENULL( p_box->data.p_stsz->i_entry_size );
1497 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1501 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1503 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1505 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1507 p_box->data.p_stsc->i_first_chunk =
1508 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1509 p_box->data.p_stsc->i_samples_per_chunk =
1510 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1511 p_box->data.p_stsc->i_sample_description_index =
1512 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1514 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1516 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1517 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1518 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1522 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1523 p_box->data.p_stsc->i_entry_count );
1526 MP4_READBOX_EXIT( 1 );
1529 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1531 FREENULL( p_box->data.p_stsc->i_first_chunk );
1532 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1533 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1536 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1540 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1542 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1544 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1546 p_box->data.p_co64->i_chunk_offset =
1547 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
1549 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1551 if( p_box->i_type == FOURCC_stco )
1557 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1565 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1570 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1571 p_box->data.p_co64->i_entry_count );
1574 MP4_READBOX_EXIT( 1 );
1577 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1579 FREENULL( p_box->data.p_co64->i_chunk_offset );
1582 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1586 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1588 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1590 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1592 p_box->data.p_stss->i_sample_number =
1593 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
1595 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1598 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1599 /* XXX in libmp4 sample begin at 0 */
1600 p_box->data.p_stss->i_sample_number[i]--;
1604 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1605 p_box->data.p_stss->i_entry_count );
1608 MP4_READBOX_EXIT( 1 );
1611 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1613 FREENULL( p_box->data.p_stss->i_sample_number );
1616 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1620 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1622 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1625 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1627 p_box->data.p_stsh->i_shadowed_sample_number =
1628 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1630 p_box->data.p_stsh->i_sync_sample_number =
1631 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1634 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1637 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1638 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1642 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1643 p_box->data.p_stsh->i_entry_count );
1645 MP4_READBOX_EXIT( 1 );
1648 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1650 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1651 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1655 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1659 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1661 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1663 p_box->data.p_stdp->i_priority =
1664 calloc( i_read / 2, sizeof(uint16_t) );
1666 for( i = 0; i < i_read / 2 ; i++ )
1669 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1673 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1677 MP4_READBOX_EXIT( 1 );
1680 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1682 FREENULL( p_box->data.p_stdp->i_priority );
1685 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1691 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1693 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1696 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1697 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
1699 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
1700 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
1701 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
1702 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
1704 for( i = 0; i < i_read / 2 ; i++ )
1708 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1709 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1710 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1711 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1713 p_peek += 1; i_read -= 1;
1717 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1723 MP4_READBOX_EXIT( code );
1726 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1728 FREENULL( p_box->data.p_padb->i_reserved1 );
1729 FREENULL( p_box->data.p_padb->i_pad2 );
1730 FREENULL( p_box->data.p_padb->i_reserved2 );
1731 FREENULL( p_box->data.p_padb->i_pad1 );
1734 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1738 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1740 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1743 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1745 p_box->data.p_elst->i_segment_duration =
1746 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1747 p_box->data.p_elst->i_media_time =
1748 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1749 p_box->data.p_elst->i_media_rate_integer =
1750 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1751 p_box->data.p_elst->i_media_rate_fraction=
1752 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1755 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1757 if( p_box->data.p_elst->i_version == 1 )
1760 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1762 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1767 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1769 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1770 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1773 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1774 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1778 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1779 (unsigned long)p_box->data.p_elst->i_entry_count );
1781 MP4_READBOX_EXIT( 1 );
1784 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1786 FREENULL( p_box->data.p_elst->i_segment_duration );
1787 FREENULL( p_box->data.p_elst->i_media_time );
1788 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1789 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1792 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1794 unsigned int i_language;
1797 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1799 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1801 i_language = GetWBE( p_peek );
1802 for( i = 0; i < 3; i++ )
1804 p_box->data.p_cprt->i_language[i] =
1805 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1807 p_peek += 2; i_read -= 2;
1808 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1811 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1812 p_box->data.p_cprt->i_language[0],
1813 p_box->data.p_cprt->i_language[1],
1814 p_box->data.p_cprt->i_language[2],
1815 p_box->data.p_cprt->psz_notice );
1818 MP4_READBOX_EXIT( 1 );
1821 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1823 FREENULL( p_box->data.p_cprt->psz_notice );
1827 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1829 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1831 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1834 "read box: \"dcom\" compression algorithm : %4.4s",
1835 (char*)&p_box->data.p_dcom->i_algorithm );
1837 MP4_READBOX_EXIT( 1 );
1840 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1842 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1844 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1846 p_box->data.p_cmvd->i_compressed_size = i_read;
1848 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1850 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1854 /* now copy compressed data */
1855 memcpy( p_box->data.p_cmvd->p_data,
1859 p_box->data.p_cmvd->b_compressed = 1;
1862 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1863 p_box->data.p_cmvd->i_compressed_size );
1866 MP4_READBOX_EXIT( 1 );
1868 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1870 FREENULL( p_box->data.p_cmvd->p_data );
1874 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1880 stream_t *p_stream_memory;
1886 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1888 msg_Err( p_stream, "out of memory" );
1891 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1893 if( !p_box->p_father ||
1894 ( p_box->p_father->i_type != FOURCC_moov &&
1895 p_box->p_father->i_type != FOURCC_foov ) )
1897 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1901 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1906 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1907 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1908 p_cmvd->data.p_cmvd->p_data == NULL )
1910 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1914 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1916 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1917 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1922 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1926 /* decompress data */
1927 /* allocate a new buffer */
1928 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1930 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1931 "uncompress data" );
1934 /* init default structures */
1935 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1936 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1937 z_data.next_out = p_data;
1938 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1939 z_data.zalloc = (alloc_func)Z_NULL;
1940 z_data.zfree = (free_func)Z_NULL;
1941 z_data.opaque = (voidpf)Z_NULL;
1944 if( inflateInit( &z_data ) != Z_OK )
1946 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1952 i_result = inflate( &z_data, Z_NO_FLUSH );
1953 if( i_result != Z_OK && i_result != Z_STREAM_END )
1955 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1960 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1962 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1965 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1968 if( inflateEnd( &z_data ) != Z_OK )
1970 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1974 free( p_cmvd->data.p_cmvd->p_data );
1975 p_cmvd->data.p_cmvd->p_data = p_data;
1976 p_cmvd->data.p_cmvd->b_compressed = 0;
1978 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1980 /* now create a memory stream */
1982 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1983 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1985 /* and read uncompressd moov */
1986 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1988 stream_Delete( p_stream_memory );
1991 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1994 return p_box->data.p_cmov->p_moov ? 1 : 0;
1995 #endif /* HAVE_ZLIB_H */
1998 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2001 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2003 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2004 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2005 MP4_GET4BYTES( i_len );
2011 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2014 for( i = 0; i < i_len; i++ )
2016 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2018 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2022 p_box->data.p_rdrf->psz_ref = NULL;
2027 "read box: \"rdrf\" type:%4.4s ref %s",
2028 (char*)&p_box->data.p_rdrf->i_ref_type,
2029 p_box->data.p_rdrf->psz_ref );
2031 MP4_READBOX_EXIT( 1 );
2034 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2036 FREENULL( p_box->data.p_rdrf->psz_ref );
2040 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2042 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2044 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2046 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2050 "read box: \"rmdr\" rate:%d",
2051 p_box->data.p_rmdr->i_rate );
2053 MP4_READBOX_EXIT( 1 );
2056 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2058 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2060 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2064 "read box: \"rmqu\" quality:%d",
2065 p_box->data.p_rmqu->i_quality );
2067 MP4_READBOX_EXIT( 1 );
2070 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2072 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2073 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2075 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2076 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2077 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2078 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2082 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2083 (char*)&p_box->data.p_rmvc->i_gestaltType,
2084 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2085 p_box->data.p_rmvc->i_checkType );
2088 MP4_READBOX_EXIT( 1 );
2091 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2093 MP4_Box_t *p_drms_box = p_box;
2095 MP4_READBOX_ENTER( uint8_t );
2099 p_drms_box = p_drms_box->p_father;
2100 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2102 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2104 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2105 p_box->i_type, p_peek, i_read );
2108 const char *psz_error;
2112 case -1: psz_error = "unimplemented"; break;
2113 case -2: psz_error = "invalid argument"; break;
2114 case -3: psz_error = "could not get system key"; break;
2115 case -4: psz_error = "could not get SCI data"; break;
2116 case -5: psz_error = "no user key found in SCI data"; break;
2117 case -6: psz_error = "invalid user key"; break;
2118 default: psz_error = "unknown error"; break;
2120 if MP4_BOX_TYPE_ASCII()
2121 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2122 (char *)&p_box->i_type, psz_error );
2124 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2125 (char *)&p_box->i_type+1, psz_error );
2127 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2128 p_drms_box->data.p_sample_soun->p_drms = NULL;
2132 MP4_READBOX_EXIT( 1 );
2135 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2140 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2142 p_box->data.p_0xa9xxx->psz_text = NULL;
2144 MP4_GET2BYTES( i16 );
2149 MP4_GET2BYTES( i16 );
2150 if( i_length >= i_read ) i_length = i_read + 1;
2152 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2155 memcpy( p_box->data.p_0xa9xxx->psz_text,
2157 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2161 "read box: \"c%3.3s\" text=`%s'",
2162 ((char*)&p_box->i_type + 1),
2163 p_box->data.p_0xa9xxx->psz_text );
2168 /* try iTune/Quicktime format, rewind to start */
2169 p_peek -= 2; i_read += 2;
2170 // we are expecting a 'data' box
2171 uint32_t i_data_len;
2172 uint32_t i_data_tag;
2174 MP4_GET4BYTES( i_data_len );
2175 if( i_data_len > i_read ) i_data_len = i_read;
2176 MP4_GETFOURCC( i_data_tag );
2177 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2179 /* data box contains a version/flags field */
2181 uint32_t i_reserved;
2182 MP4_GET4BYTES( i_version );
2183 MP4_GET4BYTES( i_reserved );
2184 // version should be 0, flags should be 1 for text, 0 for data
2185 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2187 // the rest is the text
2189 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2191 memcpy( p_box->data.p_0xa9xxx->psz_text,
2192 p_peek, i_data_len );
2193 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2196 "read box: \"c%3.3s\" text=`%s'",
2197 ((char*)&p_box->i_type+1),
2198 p_box->data.p_0xa9xxx->psz_text );
2203 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2208 MP4_READBOX_EXIT( 1 );
2210 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2212 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2215 /* Chapter support */
2216 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2218 MP4_Box_data_chpl_t *p_chpl;
2221 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2223 p_chpl = p_box->data.p_chpl;
2225 MP4_GETVERSIONFLAGS( p_chpl );
2227 MP4_GET4BYTES( i_dummy );
2229 MP4_GET1BYTE( p_chpl->i_chapter );
2231 for( i = 0; i < p_chpl->i_chapter; i++ )
2236 MP4_GET8BYTES( i_start );
2237 MP4_GET1BYTE( i_len );
2239 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2240 i_copy = __MIN( i_len, i_read );
2242 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2243 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2244 p_chpl->chapter[i].i_start = i_start;
2249 /* Bubble sort by increasing start date */
2252 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2254 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2256 char *psz = p_chpl->chapter[i+1].psz_name;
2257 int64_t i64 = p_chpl->chapter[i+1].i_start;
2259 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2260 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2262 p_chpl->chapter[i].psz_name = psz;
2263 p_chpl->chapter[i].i_start = i64;
2272 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2273 p_chpl->i_chapter );
2275 MP4_READBOX_EXIT( 1 );
2277 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2279 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2281 for( i = 0; i < p_chpl->i_chapter; i++ )
2282 free( p_chpl->chapter[i].psz_name );
2285 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2288 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2290 p_box->data.p_tref_generic->i_track_ID = NULL;
2291 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2292 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2293 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2295 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2297 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2300 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2301 p_box->data.p_tref_generic->i_entry_count );
2304 MP4_READBOX_EXIT( 1 );
2306 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2308 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2311 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2313 uint8_t meta_data[8];
2314 int i_actually_read;
2316 // skip over box header
2317 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2318 if( i_actually_read < 8 )
2321 /* meta content starts with a 4 byte version/flags value (should be 0) */
2322 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2323 if( i_actually_read < 4 )
2326 /* then it behaves like a container */
2327 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2331 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2333 if( !p_box->p_father )
2337 if( p_box->p_father->i_type == FOURCC_stsd )
2339 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2342 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2343 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2347 switch( p_hdlr->data.p_hdlr->i_handler_type )
2350 return MP4_ReadBox_sample_soun( p_stream, p_box );
2352 return MP4_ReadBox_sample_vide( p_stream, p_box );
2354 return MP4_ReadBox_sample_text( p_stream, p_box );
2356 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2359 "unknown handler type in stsd (incompletely loaded)" );
2365 if MP4_BOX_TYPE_ASCII()
2367 "unknown box type %4.4s (incompletely loaded)",
2368 (char*)&p_box->i_type );
2371 "unknown box type c%3.3s (incompletely loaded)",
2372 (char*)&p_box->i_type+1 );
2377 /**** ------------------------------------------------------------------- ****/
2378 /**** "Higher level" Functions ****/
2379 /**** ------------------------------------------------------------------- ****/
2384 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2385 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2386 } MP4_Box_Function [] =
2389 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2390 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2391 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2392 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2393 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2394 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2395 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2396 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2397 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2398 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2399 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2400 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2401 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2402 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2403 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2404 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2405 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2408 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2409 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2410 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2411 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2412 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2413 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2414 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2415 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2416 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2417 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2418 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2419 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2420 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2421 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2422 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2423 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2424 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2425 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2426 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2427 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2428 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2429 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2430 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2431 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2432 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2433 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2434 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2435 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2436 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2438 /* Nothing to do with this box */
2439 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2440 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2441 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2442 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2445 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2446 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2447 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2448 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2449 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2450 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2451 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2452 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2453 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2454 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2455 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2456 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2457 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2458 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2459 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2460 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2461 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2462 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2463 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2464 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2465 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2466 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2467 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2469 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2470 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2471 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2472 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2473 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2474 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2475 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2476 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2477 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2478 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2479 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2480 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2481 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2482 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2483 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2484 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2485 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2486 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2487 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2488 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2489 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2490 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2491 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2493 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2494 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2496 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2497 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2498 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2499 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2500 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2502 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2503 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2505 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2506 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2508 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2510 /* XXX there is 2 box where we could find this entry stbl and tref*/
2511 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2513 /* found in tref box */
2514 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2515 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2516 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2517 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2520 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2523 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2524 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2525 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2526 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2528 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2529 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2530 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2531 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2532 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2533 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2534 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2535 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2538 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2539 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2540 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2541 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2542 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2543 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2544 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2545 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2546 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2547 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2548 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2549 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2550 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2551 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2552 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2553 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2554 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2555 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2556 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2557 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2558 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2559 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2560 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2561 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2562 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2564 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2566 /* iTunes/Quicktime meta info */
2567 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2570 { 0, MP4_ReadBox_default, NULL }
2575 /*****************************************************************************
2576 * MP4_ReadBox : parse the actual box and the children
2577 * XXX : Do not go to the next box
2578 *****************************************************************************/
2579 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2581 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2582 unsigned int i_index;
2584 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2586 msg_Warn( p_stream, "cannot read one box" );
2590 if( !p_box->i_size )
2592 msg_Dbg( p_stream, "found an empty box (null size)" );
2596 p_box->p_father = p_father;
2598 /* Now search function to call */
2599 for( i_index = 0; ; i_index++ )
2601 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2602 ( MP4_Box_Function[i_index].i_type == 0 ) )
2608 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2610 MP4_BoxFree( p_stream, p_box );
2617 /*****************************************************************************
2618 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2620 *****************************************************************************/
2621 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2623 unsigned int i_index;
2631 for( p_child = p_box->p_first; p_child != NULL; )
2635 p_next = p_child->p_next;
2636 MP4_BoxFree( s, p_child );
2640 /* Now search function to call */
2641 if( p_box->data.p_data )
2643 for( i_index = 0; ; i_index++ )
2645 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2646 ( MP4_Box_Function[i_index].i_type == 0 ) )
2651 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2653 /* Should not happen */
2654 if MP4_BOX_TYPE_ASCII()
2656 "cannot free box %4.4s, type unknown",
2657 (char*)&p_box->i_type );
2660 "cannot free box c%3.3s, type unknown",
2661 (char*)&p_box->i_type+1 );
2665 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2668 free( p_box->data.p_data );
2674 /*****************************************************************************
2675 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2676 *****************************************************************************
2677 * The first box is a virtual box "root" and is the father for all first
2678 * level boxes for the file, a sort of virtual contener
2679 *****************************************************************************/
2680 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2686 p_root = malloc( sizeof( MP4_Box_t ) );
2688 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2689 p_root->i_shortsize = 1;
2690 p_root->i_size = stream_Size( s );
2691 CreateUUID( &p_root->i_uuid, p_root->i_type );
2693 p_root->data.p_data = NULL;
2694 p_root->p_father = NULL;
2695 p_root->p_first = NULL;
2696 p_root->p_last = NULL;
2697 p_root->p_next = NULL;
2701 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2709 /* check if there is a cmov, if so replace
2710 compressed moov by uncompressed one */
2711 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2712 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2713 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2714 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2716 /* rename the compressed moov as a box to skip */
2717 p_moov->i_type = FOURCC_skip;
2719 /* get uncompressed p_moov */
2720 p_moov = p_cmov->data.p_cmov->p_moov;
2721 p_cmov->data.p_cmov->p_moov = NULL;
2723 /* make p_root father of this new moov */
2724 p_moov->p_father = p_root;
2726 /* insert this new moov box as first child of p_root */
2727 p_moov->p_next = p_child = p_root->p_first;
2728 p_root->p_first = p_moov;
2736 static void __MP4_BoxDumpStructure( stream_t *s,
2737 MP4_Box_t *p_box, unsigned int i_level )
2743 if MP4_BOX_TYPE_ASCII()
2744 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2745 (char*)&p_box->i_type );
2747 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2748 (char*)&p_box->i_type+1 );
2754 memset( str, (uint8_t)' ', 512 );
2755 for( i = 0; i < i_level; i++ )
2759 if MP4_BOX_TYPE_ASCII()
2760 sprintf( str + i_level * 5, "+ %4.4s size %d",
2761 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2763 sprintf( str + i_level * 5, "+ c%3.3s size %d",
2764 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2765 msg_Dbg( s, "%s", str );
2767 p_child = p_box->p_first;
2770 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2771 p_child = p_child->p_next;
2775 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2777 __MP4_BoxDumpStructure( s, p_box, 0 );
2782 /*****************************************************************************
2783 *****************************************************************************
2785 ** High level methods to acces an MP4 file
2787 *****************************************************************************
2788 *****************************************************************************/
2789 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2792 if( !*ppsz_path[0] )
2799 while( (*ppsz_path)[i_len] &&
2800 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2804 if( !i_len && **ppsz_path == '/' )
2808 *ppsz_token = malloc( i_len + 1 );
2810 memcpy( *ppsz_token, *ppsz_path, i_len );
2812 (*ppsz_token)[i_len] = '\0';
2814 *ppsz_path += i_len;
2816 if( **ppsz_path == '[' )
2819 *pi_number = strtol( *ppsz_path, NULL, 10 );
2820 while( **ppsz_path && **ppsz_path != ']' )
2824 if( **ppsz_path == ']' )
2833 while( **ppsz_path == '/' )
2839 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2840 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2851 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
2854 if( !psz_path || !psz_path[0] )
2856 FREENULL( psz_path );
2861 // fprintf( stderr, "path:'%s'\n", psz_path );
2862 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2868 __get_token( &psz_path, &psz_token, &i_number );
2869 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2870 // psz_path,psz_token,i_number );
2873 FREENULL( psz_token );
2879 if( !strcmp( psz_token, "/" ) )
2882 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2884 p_box = p_box->p_father;
2895 if( !strcmp( psz_token, "." ) )
2900 if( !strcmp( psz_token, ".." ) )
2902 p_box = p_box->p_father;
2912 if( strlen( psz_token ) == 4 )
2915 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2916 psz_token[2], psz_token[3] );
2917 p_box = p_box->p_first;
2927 if( p_box->i_type == i_fourcc )
2935 p_box = p_box->p_next;
2939 if( strlen( psz_token ) == 0 )
2941 p_box = p_box->p_first;
2956 p_box = p_box->p_next;
2961 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2962 FREENULL( psz_token );
2972 /*****************************************************************************
2973 * MP4_BoxGet: find a box given a path relative to p_box
2974 *****************************************************************************
2975 * Path Format: . .. / as usual
2976 * [number] to specifie box number ex: trak[12]
2978 * ex: /moov/trak[12]
2980 *****************************************************************************/
2981 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2984 MP4_Box_t *p_result;
2986 va_start( args, psz_fmt );
2987 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2993 /*****************************************************************************
2994 * MP4_BoxCount: count box given a path relative to p_box
2995 *****************************************************************************
2996 * Path Format: . .. / as usual
2997 * [number] to specifie box number ex: trak[12]
2999 * ex: /moov/trak[12]
3001 *****************************************************************************/
3002 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
3006 MP4_Box_t *p_result, *p_next;
3008 va_start( args, psz_fmt );
3009 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
3017 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3019 if( p_next->i_type == p_result->i_type)