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 = calloc( sizeof(char), __i_copy__+1 ); \
71 if( __i_copy__ > 0 ) memcpy( p_str, p_peek, __i_copy__ ); \
72 p_str[__i_copy__] = 0; \
73 p_peek += __i_copy__ + 1; \
74 i_read -= __i_copy__ + 1; \
81 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
82 int64_t i_read = p_box->i_size; \
83 uint8_t *p_peek, *p_buff; \
84 int i_actually_read; \
85 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
89 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
90 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
95 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
96 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
97 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
103 #define MP4_READBOX_EXIT( i_code ) \
107 msg_Warn( p_stream, "Not enough data" ); \
113 * The input method HAVE to be seekable
117 /* This macro is used when we want to printf the box type
118 * APPLE annotation box is :
119 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
120 * either 32-bit ASCII text string
122 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
124 static uint32_t Get24bBE( const uint8_t *p )
126 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
129 static void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
131 memcpy( p_uuid, p_buff, 16 );
134 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
136 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
137 where XXXXXXXX is the fourcc */
138 /* FIXME implement this */
143 /* some functions for mp4 encoding of variables */
145 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
152 /* date begin at 1 jan 1904 */
153 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
155 i_day = i_date / ( 60*60*24);
156 i_hour = ( i_date /( 60*60 ) ) % 60;
157 i_min = ( i_date / 60 ) % 60;
159 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
162 /*****************************************************************************
164 *****************************************************************************/
165 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
168 /*****************************************************************************
169 * MP4_ReadBoxCommon : Load only common parameters for all boxes
170 *****************************************************************************
171 * p_box need to be an already allocated MP4_Box_t, and all data
172 * will only be peek not read
174 * RETURN : 0 if it fail, 1 otherwise
175 *****************************************************************************/
176 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
179 const uint8_t *p_peek;
181 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
185 p_box->i_pos = stream_Tell( p_stream );
187 p_box->data.p_data = NULL;
188 p_box->p_father = NULL;
189 p_box->p_first = NULL;
190 p_box->p_last = NULL;
191 p_box->p_next = NULL;
193 MP4_GET4BYTES( p_box->i_shortsize );
194 MP4_GETFOURCC( p_box->i_type );
196 /* Now special case */
198 if( p_box->i_shortsize == 1 )
200 /* get the true size on 64 bits */
201 MP4_GET8BYTES( p_box->i_size );
205 p_box->i_size = p_box->i_shortsize;
206 /* XXX size of 0 means that the box extends to end of file */
209 if( p_box->i_type == FOURCC_uuid )
211 /* get extented type on 16 bytes */
212 GetUUID( &p_box->i_uuid, p_peek );
213 p_peek += 16; i_read -= 16;
217 CreateUUID( &p_box->i_uuid, p_box->i_type );
222 if MP4_BOX_TYPE_ASCII()
223 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
224 (char*)&p_box->i_type, p_box->i_size );
226 msg_Dbg( p_stream, "found Box: c%3.3s size "I64Fd,
227 (char*)&p_box->i_type+1, p_box->i_size );
234 /*****************************************************************************
235 * MP4_NextBox : Go to the next box
236 *****************************************************************************
237 * if p_box == NULL, go to the next box in which we are( at the begining ).
238 *****************************************************************************/
239 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
245 MP4_ReadBoxCommon( p_stream, &box );
251 return 2; /* Box with infinite size */
254 if( p_box->p_father )
256 const int i_box_end = p_box->i_size + p_box->i_pos;
257 const int i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
259 /* check if it's within p-father */
260 if( i_box_end >= i_father_end )
262 if( i_box_end > i_father_end )
263 msg_Dbg( p_stream, "out of bound child" );
264 return 0; /* out of bound */
267 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
275 /*****************************************************************************
276 * For all known box a loader is given,
277 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
278 * after called one of theses functions, file position is unknown
279 * you need to call MP4_GotoBox to go where you want
280 *****************************************************************************/
281 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
285 if( stream_Tell( p_stream ) + 8 >
286 (off_t)(p_container->i_pos + p_container->i_size) )
288 /* there is no box to load */
294 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
296 /* chain this box with the father and the other at same level */
297 if( !p_container->p_first ) p_container->p_first = p_box;
298 else p_container->p_last->p_next = p_box;
299 p_container->p_last = p_box;
301 } while( MP4_NextBox( p_stream, p_box ) == 1 );
306 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
308 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
310 /* container is empty, 8 stand for the first header in this box */
315 stream_Seek( p_stream, p_container->i_pos +
316 MP4_BOX_HEADERSIZE( p_container ) );
318 return MP4_ReadBoxContainerRaw( p_stream, p_container );
321 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
323 /* Up to now do nothing */
327 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
329 /* XXX sometime moov is hiden in a free box */
330 if( p_box->p_father &&
331 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
332 p_box->i_type == FOURCC_free )
334 const uint8_t *p_peek;
338 i_read = stream_Peek( p_stream, &p_peek, 44 );
340 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
341 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
345 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
347 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
349 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
351 p_box->i_type = FOURCC_foov;
352 return MP4_ReadBoxContainer( p_stream, p_box );
359 if MP4_BOX_TYPE_ASCII()
360 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
362 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
367 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
369 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
371 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
372 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
374 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
377 p_box->data.p_ftyp->i_compatible_brands =
378 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
380 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
382 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
387 p_box->data.p_ftyp->i_compatible_brands = NULL;
390 MP4_READBOX_EXIT( 1 );
393 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
395 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
399 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
403 char s_creation_time[128];
404 char s_modification_time[128];
405 char s_duration[128];
407 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
409 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
411 if( p_box->data.p_mvhd->i_version )
413 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
414 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
415 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
416 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
420 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
421 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
422 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
425 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
426 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
427 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
430 for( i = 0; i < 2; i++ )
432 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
434 for( i = 0; i < 9; i++ )
436 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
438 for( i = 0; i < 6; i++ )
440 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
443 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
447 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
448 MP4_ConvertDate2Str( s_modification_time,
449 p_box->data.p_mvhd->i_modification_time );
450 if( p_box->data.p_mvhd->i_rate )
452 MP4_ConvertDate2Str( s_duration,
453 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
459 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
462 (uint32_t)p_box->data.p_mvhd->i_timescale,
464 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
465 (float)p_box->data.p_mvhd->i_volume / 256 ,
466 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
468 MP4_READBOX_EXIT( 1 );
471 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
475 char s_creation_time[128];
476 char s_modification_time[128];
477 char s_duration[128];
479 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
481 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
483 if( p_box->data.p_tkhd->i_version )
485 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
486 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
487 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
488 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
489 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
493 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
495 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
496 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
497 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
500 for( i = 0; i < 2; i++ )
502 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
504 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
505 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
506 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
507 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
509 for( i = 0; i < 9; i++ )
511 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
513 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
514 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
517 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
518 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
519 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
521 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
525 p_box->data.p_tkhd->i_track_ID,
526 p_box->data.p_tkhd->i_layer,
527 (float)p_box->data.p_tkhd->i_volume / 256 ,
528 (float)p_box->data.p_tkhd->i_width / 65536,
529 (float)p_box->data.p_tkhd->i_height / 65536 );
531 MP4_READBOX_EXIT( 1 );
535 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
540 char s_creation_time[128];
541 char s_modification_time[128];
542 char s_duration[128];
544 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
546 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
548 if( p_box->data.p_mdhd->i_version )
550 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
551 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
552 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
553 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
557 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
558 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
559 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
560 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
562 i_language = GetWBE( p_peek );
563 for( i = 0; i < 3; i++ )
565 p_box->data.p_mdhd->i_language[i] =
566 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
569 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
572 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
573 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
574 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
575 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
578 (uint32_t)p_box->data.p_mdhd->i_timescale,
580 p_box->data.p_mdhd->i_language[0],
581 p_box->data.p_mdhd->i_language[1],
582 p_box->data.p_mdhd->i_language[2] );
584 MP4_READBOX_EXIT( 1 );
588 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
592 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
594 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
596 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
597 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
599 MP4_GET4BYTES( i_reserved );
600 MP4_GET4BYTES( i_reserved );
601 MP4_GET4BYTES( i_reserved );
602 p_box->data.p_hdlr->psz_name = NULL;
606 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
608 /* Yes, I love .mp4 :( */
609 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
614 MP4_GET1BYTE( i_len );
615 i_copy = __MIN( i_read, i_len );
617 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
618 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
622 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
623 p_box->data.p_hdlr->psz_name[i_read] = '\0';
628 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
629 (char*)&p_box->data.p_hdlr->i_handler_type,
630 p_box->data.p_hdlr->psz_name );
633 MP4_READBOX_EXIT( 1 );
636 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
638 FREENULL( p_box->data.p_hdlr->psz_name );
641 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
645 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
647 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
649 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
650 for( i = 0; i < 3; i++ )
652 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
656 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
657 p_box->data.p_vmhd->i_graphics_mode,
658 p_box->data.p_vmhd->i_opcolor[0],
659 p_box->data.p_vmhd->i_opcolor[1],
660 p_box->data.p_vmhd->i_opcolor[2] );
662 MP4_READBOX_EXIT( 1 );
665 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
667 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
669 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
673 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
675 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
678 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
679 (float)p_box->data.p_smhd->i_balance / 256 );
681 MP4_READBOX_EXIT( 1 );
685 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
687 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
689 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
691 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
692 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
694 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
695 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
697 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
700 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
701 p_box->data.p_hmhd->i_max_PDU_size,
702 p_box->data.p_hmhd->i_avg_PDU_size,
703 p_box->data.p_hmhd->i_max_bitrate,
704 p_box->data.p_hmhd->i_avg_bitrate );
706 MP4_READBOX_EXIT( 1 );
709 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
711 MP4_READBOX_ENTER( MP4_Box_data_url_t );
713 MP4_GETVERSIONFLAGS( p_box->data.p_url );
714 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
717 msg_Dbg( p_stream, "read box: \"url\" url: %s",
718 p_box->data.p_url->psz_location );
721 MP4_READBOX_EXIT( 1 );
725 static void MP4_FreeBox_url( MP4_Box_t *p_box )
727 FREENULL( p_box->data.p_url->psz_location );
730 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
732 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
734 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
736 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
737 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
740 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
741 p_box->data.p_urn->psz_name,
742 p_box->data.p_urn->psz_location );
744 MP4_READBOX_EXIT( 1 );
746 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
748 FREENULL( p_box->data.p_urn->psz_name );
749 FREENULL( p_box->data.p_urn->psz_location );
753 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
755 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
757 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
759 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
761 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
762 MP4_ReadBoxContainerRaw( p_stream, p_box );
765 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
766 p_box->data.p_dref->i_entry_count );
769 MP4_READBOX_EXIT( 1 );
773 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
776 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
778 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
779 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
781 p_box->data.p_stts->i_sample_count =
782 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
783 p_box->data.p_stts->i_sample_delta =
784 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
786 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
788 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
789 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
793 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
794 p_box->data.p_stts->i_entry_count );
797 MP4_READBOX_EXIT( 1 );
800 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
802 FREENULL( p_box->data.p_stts->i_sample_count );
803 FREENULL( p_box->data.p_stts->i_sample_delta );
806 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
809 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
811 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
813 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
815 p_box->data.p_ctts->i_sample_count =
816 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
817 p_box->data.p_ctts->i_sample_offset =
818 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
820 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
822 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
823 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
827 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
828 p_box->data.p_ctts->i_entry_count );
831 MP4_READBOX_EXIT( 1 );
834 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
836 FREENULL( p_box->data.p_ctts->i_sample_count );
837 FREENULL( p_box->data.p_ctts->i_sample_offset );
840 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
843 unsigned int i_len = 0;
850 i_len = ( i_len << 7 ) + ( i_b&0x7f );
855 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
857 #define es_descriptor p_box->data.p_esds->es_descriptor
859 unsigned int i_flags;
862 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
864 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
867 MP4_GET1BYTE( i_type );
868 if( i_type == 0x03 ) /* MP4ESDescrTag */
870 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
873 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
877 MP4_GET2BYTES( es_descriptor.i_ES_ID );
878 MP4_GET1BYTE( i_flags );
879 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
880 es_descriptor.b_url = ( (i_flags&0x40) != 0);
881 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
883 es_descriptor.i_stream_priority = i_flags&0x1f;
884 if( es_descriptor.b_stream_dependence )
886 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
888 if( es_descriptor.b_url )
892 MP4_GET1BYTE( i_len );
893 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
894 memcpy( es_descriptor.psz_URL, p_peek, i_len );
895 es_descriptor.psz_URL[i_len] = 0;
901 es_descriptor.psz_URL = NULL;
903 if( es_descriptor.b_OCRstream )
905 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
907 MP4_GET1BYTE( i_type ); /* get next type */
910 if( i_type != 0x04)/* MP4DecConfigDescrTag */
912 es_descriptor.p_decConfigDescr = NULL;
913 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
916 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
919 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
923 es_descriptor.p_decConfigDescr =
924 malloc( sizeof( MP4_descriptor_decoder_config_t ));
926 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
927 MP4_GET1BYTE( i_flags );
928 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
929 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
930 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
931 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
932 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
933 MP4_GET1BYTE( i_type );
934 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
936 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
937 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
938 MP4_READBOX_EXIT( 1 );
941 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
944 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
948 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
949 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
950 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
953 MP4_READBOX_EXIT( 1 );
958 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
960 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
961 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
963 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
965 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
968 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
970 MP4_Box_data_avcC_t *p_avcC;
973 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
974 p_avcC = p_box->data.p_avcC;
976 p_avcC->i_avcC = i_read;
977 if( p_avcC->i_avcC > 0 )
979 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
980 memcpy( p_avcC->p_avcC, p_peek, i_read );
983 MP4_GET1BYTE( p_avcC->i_version );
984 MP4_GET1BYTE( p_avcC->i_profile );
985 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
986 MP4_GET1BYTE( p_avcC->i_level );
987 MP4_GET1BYTE( p_avcC->i_reserved1 );
988 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
989 p_avcC->i_reserved1 >>= 2;
991 MP4_GET1BYTE( p_avcC->i_reserved2 );
992 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
993 p_avcC->i_reserved2 >>= 5;
995 if( p_avcC->i_sps > 0 )
997 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
998 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
1000 for( i = 0; i < p_avcC->i_sps; i++ )
1002 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1003 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1004 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1006 p_peek += p_avcC->i_sps_length[i];
1007 i_read -= p_avcC->i_sps_length[i];
1011 MP4_GET1BYTE( p_avcC->i_pps );
1012 if( p_avcC->i_pps > 0 )
1014 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1015 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1017 for( i = 0; i < p_avcC->i_pps; i++ )
1019 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1020 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1021 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1023 p_peek += p_avcC->i_pps_length[i];
1024 i_read -= p_avcC->i_pps_length[i];
1029 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1030 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1031 p_avcC->i_length_size,
1032 p_avcC->i_sps, p_avcC->i_pps );
1033 for( i = 0; i < p_avcC->i_sps; i++ )
1035 msg_Dbg( p_stream, " - sps[%d] length=%d",
1036 i, p_avcC->i_sps_length[i] );
1038 for( i = 0; i < p_avcC->i_pps; i++ )
1040 msg_Dbg( p_stream, " - pps[%d] length=%d",
1041 i, p_avcC->i_pps_length[i] );
1045 MP4_READBOX_EXIT( 1 );
1048 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1050 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1053 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1055 for( i = 0; i < p_avcC->i_sps; i++ )
1057 FREENULL( p_avcC->sps[i] );
1059 for( i = 0; i < p_avcC->i_pps; i++ )
1061 FREENULL( p_avcC->pps[i] );
1063 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1064 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1065 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1066 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1069 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1073 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1074 p_box->data.p_sample_soun->p_qt_description = NULL;
1076 /* Sanity check needed because the "wave" box does also contain an
1077 * "mp4a" box that we don't understand. */
1081 MP4_READBOX_EXIT( 1 );
1084 for( i = 0; i < 6 ; i++ )
1086 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1092 * XXX hack -> produce a copy of the nearly complete chunk
1096 p_box->data.p_sample_soun->i_qt_description = i_read;
1097 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1098 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1102 p_box->data.p_sample_soun->i_qt_description = 0;
1103 p_box->data.p_sample_soun->p_qt_description = NULL;
1106 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1107 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1108 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1110 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1111 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1112 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1113 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1114 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1115 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1117 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1119 /* SoundDescriptionV1 */
1120 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1121 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1122 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1123 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1127 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1128 "bytes/frame=%d bytes/sample=%d",
1129 p_box->data.p_sample_soun->i_sample_per_packet,
1130 p_box->data.p_sample_soun->i_bytes_per_packet,
1131 p_box->data.p_sample_soun->i_bytes_per_frame,
1132 p_box->data.p_sample_soun->i_bytes_per_sample );
1134 stream_Seek( p_stream, p_box->i_pos +
1135 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1137 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1139 /* SoundDescriptionV2 */
1140 double f_sample_rate;
1144 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1145 MP4_GET8BYTES( dummy );
1146 memcpy( &f_sample_rate, &dummy, 8 );
1148 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1149 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1150 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1152 MP4_GET4BYTES( i_channel );
1153 p_box->data.p_sample_soun->i_channelcount = i_channel;
1156 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1158 stream_Seek( p_stream, p_box->i_pos +
1159 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1163 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1164 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1165 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1166 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1168 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1170 stream_Seek( p_stream, p_box->i_pos +
1171 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1174 if( p_box->i_type == FOURCC_drms )
1176 p_box->data.p_sample_soun->p_drms =
1177 drms_alloc( p_stream->p_libvlc->psz_homedir );
1179 if( p_box->data.p_sample_soun->p_drms == NULL )
1181 msg_Err( p_stream, "drms_alloc() failed" );
1185 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1187 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1188 p_box->data.p_sample_soun->i_channelcount = 1;
1191 if( p_box->i_type == FOURCC_alac )
1193 if( p_box->data.p_sample_soun->p_qt_description )
1194 free( p_box->data.p_sample_soun->p_qt_description );
1196 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1197 p_box->data.p_sample_soun->i_qt_description = i_read;
1198 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1202 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1206 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1207 "sample size %d sample rate %f",
1208 p_box->data.p_sample_soun->i_channelcount,
1209 p_box->data.p_sample_soun->i_samplesize,
1210 (float)p_box->data.p_sample_soun->i_sampleratehi +
1211 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1214 MP4_READBOX_EXIT( 1 );
1218 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1220 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1222 if( p_box->i_type == FOURCC_drms )
1224 if( p_box->data.p_sample_soun->p_drms )
1226 drms_free( p_box->data.p_sample_soun->p_drms );
1232 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1236 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1238 for( i = 0; i < 6 ; i++ )
1240 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1243 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1246 * XXX hack -> produce a copy of the nearly complete chunk
1250 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1251 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1252 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1257 p_box->data.p_sample_vide->i_qt_image_description = 0;
1258 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1261 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1262 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1263 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1265 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1266 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1268 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1269 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1271 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1272 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1274 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1275 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1277 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1278 p_peek += 32; i_read -= 32;
1280 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1281 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1283 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1284 MP4_ReadBoxContainerRaw( p_stream, p_box );
1287 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1288 p_box->data.p_sample_vide->i_width,
1289 p_box->data.p_sample_vide->i_height,
1290 p_box->data.p_sample_vide->i_depth );
1293 MP4_READBOX_EXIT( 1 );
1297 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1299 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1302 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1304 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1305 MP4_ReadBoxContainerRaw( p_stream, p_box );
1309 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1313 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1315 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1316 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1318 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1320 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1325 /* FIXME search right signification */
1327 p_box->data.p_sample_text->i_justification_horizontal = 1;
1328 p_box->data.p_sample_text->i_justification_vertical = 1;
1330 case -1: // Flush Right
1331 p_box->data.p_sample_text->i_justification_horizontal = -1;
1332 p_box->data.p_sample_text->i_justification_vertical = -1;
1334 case -2: // Flush Left
1335 p_box->data.p_sample_text->i_justification_horizontal = 0;
1336 p_box->data.p_sample_text->i_justification_vertical = 0;
1338 case 0: // Flush Default
1340 p_box->data.p_sample_text->i_justification_horizontal = 1;
1341 p_box->data.p_sample_text->i_justification_vertical = -1;
1345 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1346 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1347 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1348 p_box->data.p_sample_text->i_background_color[3] = 0;
1350 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1351 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1352 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1353 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1356 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1358 MP4_READBOX_EXIT( 1 );
1361 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1363 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1365 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1366 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1368 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1370 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1372 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1373 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1375 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1376 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1377 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1378 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1380 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1381 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1382 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1383 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1386 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1388 MP4_READBOX_EXIT( 1 );
1393 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1394 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1396 FREENULL( p_box->data.p_sample_text->psz_text_name );
1401 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1404 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1406 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1408 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1410 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1412 MP4_ReadBoxContainerRaw( p_stream, p_box );
1415 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1416 p_box->data.p_stsd->i_entry_count );
1419 MP4_READBOX_EXIT( 1 );
1423 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1427 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1429 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1431 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1433 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1435 p_box->data.p_stsz->i_entry_size =
1436 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1438 if( !p_box->data.p_stsz->i_sample_size )
1440 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1442 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1447 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1448 p_box->data.p_stsz->i_sample_size,
1449 p_box->data.p_stsz->i_sample_count );
1452 MP4_READBOX_EXIT( 1 );
1455 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1457 FREENULL( p_box->data.p_stsz->i_entry_size );
1460 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1464 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1466 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1468 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1470 p_box->data.p_stsc->i_first_chunk =
1471 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1472 p_box->data.p_stsc->i_samples_per_chunk =
1473 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1474 p_box->data.p_stsc->i_sample_description_index =
1475 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1477 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1479 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1480 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1481 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1485 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1486 p_box->data.p_stsc->i_entry_count );
1489 MP4_READBOX_EXIT( 1 );
1492 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1494 FREENULL( p_box->data.p_stsc->i_first_chunk );
1495 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1496 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1499 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1503 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1505 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1507 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1509 p_box->data.p_co64->i_chunk_offset =
1510 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1512 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1514 if( p_box->i_type == FOURCC_stco )
1520 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1528 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1533 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1534 p_box->data.p_co64->i_entry_count );
1537 MP4_READBOX_EXIT( 1 );
1540 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1542 FREENULL( p_box->data.p_co64->i_chunk_offset );
1545 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1549 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1551 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1553 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1555 p_box->data.p_stss->i_sample_number =
1556 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1558 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1561 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1562 /* XXX in libmp4 sample begin at 0 */
1563 p_box->data.p_stss->i_sample_number[i]--;
1567 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1568 p_box->data.p_stss->i_entry_count );
1571 MP4_READBOX_EXIT( 1 );
1574 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1576 FREENULL( p_box->data.p_stss->i_sample_number );
1579 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1583 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1585 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1588 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1590 p_box->data.p_stsh->i_shadowed_sample_number =
1591 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1593 p_box->data.p_stsh->i_sync_sample_number =
1594 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1597 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1600 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1601 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1605 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1606 p_box->data.p_stsh->i_entry_count );
1608 MP4_READBOX_EXIT( 1 );
1611 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1613 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1614 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1618 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1622 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1624 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1626 p_box->data.p_stdp->i_priority =
1627 calloc( sizeof( uint16_t ), i_read / 2 );
1629 for( i = 0; i < i_read / 2 ; i++ )
1632 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1636 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1640 MP4_READBOX_EXIT( 1 );
1643 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1645 FREENULL( p_box->data.p_stdp->i_priority );
1648 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1652 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1654 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1657 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1659 p_box->data.p_padb->i_reserved1 =
1660 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1661 p_box->data.p_padb->i_pad2 =
1662 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1663 p_box->data.p_padb->i_reserved2 =
1664 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1665 p_box->data.p_padb->i_pad1 =
1666 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1669 for( i = 0; i < i_read / 2 ; i++ )
1671 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1672 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1673 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1674 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1676 p_peek += 1; i_read -= 1;
1680 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1684 MP4_READBOX_EXIT( 1 );
1687 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1689 FREENULL( p_box->data.p_padb->i_reserved1 );
1690 FREENULL( p_box->data.p_padb->i_pad2 );
1691 FREENULL( p_box->data.p_padb->i_reserved2 );
1692 FREENULL( p_box->data.p_padb->i_pad1 );
1695 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1699 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1701 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1704 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1706 p_box->data.p_elst->i_segment_duration =
1707 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1708 p_box->data.p_elst->i_media_time =
1709 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1710 p_box->data.p_elst->i_media_rate_integer =
1711 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1712 p_box->data.p_elst->i_media_rate_fraction=
1713 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1716 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1718 if( p_box->data.p_elst->i_version == 1 )
1721 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1723 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1728 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1730 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1731 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1734 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1735 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1739 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1740 (unsigned long)p_box->data.p_elst->i_entry_count );
1742 MP4_READBOX_EXIT( 1 );
1745 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1747 FREENULL( p_box->data.p_elst->i_segment_duration );
1748 FREENULL( p_box->data.p_elst->i_media_time );
1749 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1750 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1753 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1755 unsigned int i_language;
1758 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1760 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1762 i_language = GetWBE( p_peek );
1763 for( i = 0; i < 3; i++ )
1765 p_box->data.p_cprt->i_language[i] =
1766 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1768 p_peek += 2; i_read -= 2;
1769 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1772 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1773 p_box->data.p_cprt->i_language[0],
1774 p_box->data.p_cprt->i_language[1],
1775 p_box->data.p_cprt->i_language[2],
1776 p_box->data.p_cprt->psz_notice );
1779 MP4_READBOX_EXIT( 1 );
1782 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1784 FREENULL( p_box->data.p_cprt->psz_notice );
1788 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1790 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1792 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1795 "read box: \"dcom\" compression algorithm : %4.4s",
1796 (char*)&p_box->data.p_dcom->i_algorithm );
1798 MP4_READBOX_EXIT( 1 );
1801 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1803 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1805 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1807 p_box->data.p_cmvd->i_compressed_size = i_read;
1809 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1811 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1815 /* now copy compressed data */
1816 memcpy( p_box->data.p_cmvd->p_data,
1820 p_box->data.p_cmvd->b_compressed = 1;
1823 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1824 p_box->data.p_cmvd->i_compressed_size );
1827 MP4_READBOX_EXIT( 1 );
1829 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1831 FREENULL( p_box->data.p_cmvd->p_data );
1835 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1841 stream_t *p_stream_memory;
1847 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1849 msg_Err( p_stream, "out of memory" );
1852 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1854 if( !p_box->p_father ||
1855 ( p_box->p_father->i_type != FOURCC_moov &&
1856 p_box->p_father->i_type != FOURCC_foov ) )
1858 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1862 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1867 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1868 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1869 p_cmvd->data.p_cmvd->p_data == NULL )
1871 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1875 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1877 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1878 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1883 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1887 /* decompress data */
1888 /* allocate a new buffer */
1889 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1891 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1892 "uncompress data" );
1895 /* init default structures */
1896 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1897 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1898 z_data.next_out = p_data;
1899 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1900 z_data.zalloc = (alloc_func)Z_NULL;
1901 z_data.zfree = (free_func)Z_NULL;
1902 z_data.opaque = (voidpf)Z_NULL;
1905 if( inflateInit( &z_data ) != Z_OK )
1907 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1913 i_result = inflate( &z_data, Z_NO_FLUSH );
1914 if( i_result != Z_OK && i_result != Z_STREAM_END )
1916 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1921 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1923 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1926 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1929 if( inflateEnd( &z_data ) != Z_OK )
1931 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1935 free( p_cmvd->data.p_cmvd->p_data );
1936 p_cmvd->data.p_cmvd->p_data = p_data;
1937 p_cmvd->data.p_cmvd->b_compressed = 0;
1939 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1941 /* now create a memory stream */
1943 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1944 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1946 /* and read uncompressd moov */
1947 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1949 stream_Delete( p_stream_memory );
1952 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1955 return p_box->data.p_cmov->p_moov ? 1 : 0;
1956 #endif /* HAVE_ZLIB_H */
1959 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1962 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1964 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1965 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1966 MP4_GET4BYTES( i_len );
1970 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1971 for( i = 0; i < i_len; i++ )
1973 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1975 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1979 p_box->data.p_rdrf->psz_ref = NULL;
1984 "read box: \"rdrf\" type:%4.4s ref %s",
1985 (char*)&p_box->data.p_rdrf->i_ref_type,
1986 p_box->data.p_rdrf->psz_ref );
1988 MP4_READBOX_EXIT( 1 );
1991 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1993 FREENULL( p_box->data.p_rdrf->psz_ref );
1997 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1999 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2001 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2003 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2007 "read box: \"rmdr\" rate:%d",
2008 p_box->data.p_rmdr->i_rate );
2010 MP4_READBOX_EXIT( 1 );
2013 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2015 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2017 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2021 "read box: \"rmqu\" quality:%d",
2022 p_box->data.p_rmqu->i_quality );
2024 MP4_READBOX_EXIT( 1 );
2027 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2029 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2030 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2032 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2033 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2034 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2035 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2039 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2040 (char*)&p_box->data.p_rmvc->i_gestaltType,
2041 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2042 p_box->data.p_rmvc->i_checkType );
2045 MP4_READBOX_EXIT( 1 );
2048 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2050 MP4_Box_t *p_drms_box = p_box;
2052 MP4_READBOX_ENTER( uint8_t );
2056 p_drms_box = p_drms_box->p_father;
2057 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2059 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2061 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2062 p_box->i_type, p_peek, i_read );
2065 const char *psz_error;
2069 case -1: psz_error = "unimplemented"; break;
2070 case -2: psz_error = "invalid argument"; break;
2071 case -3: psz_error = "could not get system key"; break;
2072 case -4: psz_error = "could not get SCI data"; break;
2073 case -5: psz_error = "no user key found in SCI data"; break;
2074 case -6: psz_error = "invalid user key"; break;
2075 default: psz_error = "unknown error"; break;
2077 if MP4_BOX_TYPE_ASCII()
2078 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2079 (char *)&p_box->i_type, psz_error );
2081 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2082 (char *)&p_box->i_type+1, psz_error );
2084 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2085 p_drms_box->data.p_sample_soun->p_drms = NULL;
2089 MP4_READBOX_EXIT( 1 );
2092 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2094 uint16_t i_length, i_dummy;
2096 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2098 p_box->data.p_0xa9xxx->psz_text = NULL;
2100 MP4_GET2BYTES( i_length );
2104 MP4_GET2BYTES( i_dummy );
2105 if( i_length > i_read ) i_length = i_read;
2107 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2109 memcpy( p_box->data.p_0xa9xxx->psz_text,
2111 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2115 "read box: \"c%3.3s\" text=`%s'",
2116 ((char*)&p_box->i_type + 1),
2117 p_box->data.p_0xa9xxx->psz_text );
2122 /* try iTune/Quicktime format, rewind to start */
2123 p_peek -= 2; i_read += 2;
2124 // we are expecting a 'data' box
2125 uint32_t i_data_len;
2126 uint32_t i_data_tag;
2128 MP4_GET4BYTES( i_data_len );
2129 if( i_data_len > i_read ) i_data_len = i_read;
2130 MP4_GETFOURCC( i_data_tag );
2131 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2133 /* data box contains a version/flags field */
2135 uint32_t i_reserved;
2136 MP4_GET4BYTES( i_version );
2137 MP4_GET4BYTES( i_reserved );
2138 // version should be 0, flags should be 1 for text, 0 for data
2139 if( i_version == 0x00000001 )
2141 // the rest is the text
2143 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2145 memcpy( p_box->data.p_0xa9xxx->psz_text,
2146 p_peek, i_data_len );
2147 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2150 "read box: \"c%3.3s\" text=`%s'",
2151 ((char*)&p_box->i_type+1),
2152 p_box->data.p_0xa9xxx->psz_text );
2157 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2162 MP4_READBOX_EXIT( 1 );
2164 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2166 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2169 /* Chapter support */
2170 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2172 MP4_Box_data_chpl_t *p_chpl;
2175 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2177 p_chpl = p_box->data.p_chpl;
2179 MP4_GETVERSIONFLAGS( p_chpl );
2181 MP4_GET4BYTES( i_dummy );
2183 MP4_GET1BYTE( p_chpl->i_chapter );
2185 for( i = 0; i < p_chpl->i_chapter; i++ )
2190 MP4_GET8BYTES( i_start );
2191 MP4_GET1BYTE( i_len );
2193 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2194 i_copy = __MIN( i_len, i_read );
2196 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2197 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2198 p_chpl->chapter[i].i_start = i_start;
2203 /* Bubble sort by increasing start date */
2206 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2208 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2210 char *psz = p_chpl->chapter[i+1].psz_name;
2211 int64_t i64 = p_chpl->chapter[i+1].i_start;
2213 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2214 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2216 p_chpl->chapter[i].psz_name = psz;
2217 p_chpl->chapter[i].i_start = i64;
2226 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2227 p_chpl->i_chapter );
2229 MP4_READBOX_EXIT( 1 );
2231 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2233 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2235 for( i = 0; i < p_chpl->i_chapter; i++ )
2236 free( p_chpl->chapter[i].psz_name );
2239 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2242 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2244 p_box->data.p_tref_generic->i_track_ID = NULL;
2245 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2246 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2247 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2249 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2251 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2254 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2255 p_box->data.p_tref_generic->i_entry_count );
2258 MP4_READBOX_EXIT( 1 );
2260 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2262 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2265 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2267 uint8_t meta_data[8];
2268 int i_actually_read;
2270 // skip over box header
2271 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2272 if( i_actually_read < 8 )
2275 /* meta content starts with a 4 byte version/flags value (should be 0) */
2276 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2277 if( i_actually_read < 4 )
2280 /* then it behaves like a container */
2281 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2285 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2287 if( !p_box->p_father )
2291 if( p_box->p_father->i_type == FOURCC_stsd )
2293 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2296 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2297 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2301 switch( p_hdlr->data.p_hdlr->i_handler_type )
2304 return MP4_ReadBox_sample_soun( p_stream, p_box );
2306 return MP4_ReadBox_sample_vide( p_stream, p_box );
2308 return MP4_ReadBox_sample_text( p_stream, p_box );
2310 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2313 "unknown handler type in stsd (incompletely loaded)" );
2319 if MP4_BOX_TYPE_ASCII()
2321 "unknown box type %4.4s (incompletely loaded)",
2322 (char*)&p_box->i_type );
2325 "unknown box type c%3.3s (incompletely loaded)",
2326 (char*)&p_box->i_type+1 );
2331 /**** ------------------------------------------------------------------- ****/
2332 /**** "Higher level" Functions ****/
2333 /**** ------------------------------------------------------------------- ****/
2338 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2339 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2340 } MP4_Box_Function [] =
2343 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2344 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2345 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2346 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2347 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2348 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2349 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2350 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2351 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2352 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2353 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2354 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2355 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2356 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2357 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2358 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2359 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2362 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2363 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2364 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2365 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2366 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2367 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2368 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2369 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2370 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2371 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2372 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2373 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2374 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2375 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2376 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2377 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2378 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2379 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2380 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2381 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2382 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2383 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2384 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2385 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2386 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2387 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2388 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2389 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2390 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2392 /* Nothing to do with this box */
2393 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2394 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2395 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2396 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2399 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2400 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2401 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2402 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2403 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2404 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2405 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2406 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2407 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2408 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2409 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2410 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2411 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2412 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2413 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2414 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2415 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2416 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2417 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2418 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2419 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2420 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2421 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2423 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2424 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2425 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2426 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2427 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2428 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2429 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2430 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2431 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2432 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2433 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2434 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2435 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2436 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2437 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2438 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2439 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2440 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2441 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2442 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2443 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2444 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2445 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2447 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2448 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2450 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2451 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2452 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2453 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2454 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2456 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2457 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2459 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2460 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2462 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2464 /* XXX there is 2 box where we could find this entry stbl and tref*/
2465 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2467 /* found in tref box */
2468 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2469 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2470 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2471 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2474 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2477 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2478 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2479 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2480 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2482 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2483 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2484 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2485 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2486 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2487 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2488 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2489 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2492 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2493 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2494 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2495 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2496 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2497 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2498 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2499 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2500 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2501 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2502 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2503 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2504 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2505 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2506 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2507 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2508 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2509 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2510 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2511 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2512 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2513 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2514 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2515 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2516 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2518 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2520 /* iTunes/Quicktime meta info */
2521 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2524 { 0, MP4_ReadBox_default, NULL }
2529 /*****************************************************************************
2530 * MP4_ReadBox : parse the actual box and the children
2531 * XXX : Do not go to the next box
2532 *****************************************************************************/
2533 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2535 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2536 unsigned int i_index;
2538 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2540 msg_Warn( p_stream, "cannot read one box" );
2544 if( !p_box->i_size )
2546 msg_Dbg( p_stream, "found an empty box (null size)" );
2550 p_box->p_father = p_father;
2552 /* Now search function to call */
2553 for( i_index = 0; ; i_index++ )
2555 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2556 ( MP4_Box_Function[i_index].i_type == 0 ) )
2562 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2571 /*****************************************************************************
2572 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2574 *****************************************************************************/
2575 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2577 unsigned int i_index;
2585 for( p_child = p_box->p_first; p_child != NULL; )
2589 p_next = p_child->p_next;
2590 MP4_BoxFree( s, p_child );
2594 /* Now search function to call */
2595 if( p_box->data.p_data )
2597 for( i_index = 0; ; i_index++ )
2599 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2600 ( MP4_Box_Function[i_index].i_type == 0 ) )
2605 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2607 /* Should not happen */
2608 if MP4_BOX_TYPE_ASCII()
2610 "cannot free box %4.4s, type unknown",
2611 (char*)&p_box->i_type );
2614 "cannot free box c%3.3s, type unknown",
2615 (char*)&p_box->i_type+1 );
2619 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2622 free( p_box->data.p_data );
2628 /*****************************************************************************
2629 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2630 *****************************************************************************
2631 * The first box is a virtual box "root" and is the father for all first
2632 * level boxes for the file, a sort of virtual contener
2633 *****************************************************************************/
2634 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2640 p_root = malloc( sizeof( MP4_Box_t ) );
2642 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2643 p_root->i_shortsize = 1;
2644 p_root->i_size = stream_Size( s );
2645 CreateUUID( &p_root->i_uuid, p_root->i_type );
2647 p_root->data.p_data = NULL;
2648 p_root->p_father = NULL;
2649 p_root->p_first = NULL;
2650 p_root->p_last = NULL;
2651 p_root->p_next = NULL;
2655 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2663 /* check if there is a cmov, if so replace
2664 compressed moov by uncompressed one */
2665 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2666 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2667 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2668 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2670 /* rename the compressed moov as a box to skip */
2671 p_moov->i_type = FOURCC_skip;
2673 /* get uncompressed p_moov */
2674 p_moov = p_cmov->data.p_cmov->p_moov;
2675 p_cmov->data.p_cmov->p_moov = NULL;
2677 /* make p_root father of this new moov */
2678 p_moov->p_father = p_root;
2680 /* insert this new moov box as first child of p_root */
2681 p_moov->p_next = p_child = p_root->p_first;
2682 p_root->p_first = p_moov;
2690 static void __MP4_BoxDumpStructure( stream_t *s,
2691 MP4_Box_t *p_box, unsigned int i_level )
2697 if MP4_BOX_TYPE_ASCII()
2698 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2699 (char*)&p_box->i_type );
2701 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2702 (char*)&p_box->i_type+1 );
2708 memset( str, (uint8_t)' ', 512 );
2709 for( i = 0; i < i_level; i++ )
2713 if MP4_BOX_TYPE_ASCII()
2714 sprintf( str + i_level * 5, "+ %4.4s size %d",
2715 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2717 sprintf( str + i_level * 5, "+ c%3.3s size %d",
2718 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2719 msg_Dbg( s, "%s", str );
2721 p_child = p_box->p_first;
2724 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2725 p_child = p_child->p_next;
2729 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2731 __MP4_BoxDumpStructure( s, p_box, 0 );
2736 /*****************************************************************************
2737 *****************************************************************************
2739 ** High level methods to acces an MP4 file
2741 *****************************************************************************
2742 *****************************************************************************/
2743 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2746 if( !*ppsz_path[0] )
2753 while( (*ppsz_path)[i_len] &&
2754 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2758 if( !i_len && **ppsz_path == '/' )
2762 *ppsz_token = malloc( i_len + 1 );
2764 memcpy( *ppsz_token, *ppsz_path, i_len );
2766 (*ppsz_token)[i_len] = '\0';
2768 *ppsz_path += i_len;
2770 if( **ppsz_path == '[' )
2773 *pi_number = strtol( *ppsz_path, NULL, 10 );
2774 while( **ppsz_path && **ppsz_path != ']' )
2778 if( **ppsz_path == ']' )
2787 while( **ppsz_path == '/' )
2793 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2794 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2805 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
2808 if( !psz_path || !psz_path[0] )
2810 FREENULL( psz_path );
2815 // fprintf( stderr, "path:'%s'\n", psz_path );
2816 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2822 __get_token( &psz_path, &psz_token, &i_number );
2823 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2824 // psz_path,psz_token,i_number );
2827 FREENULL( psz_token );
2833 if( !strcmp( psz_token, "/" ) )
2836 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2838 p_box = p_box->p_father;
2849 if( !strcmp( psz_token, "." ) )
2854 if( !strcmp( psz_token, ".." ) )
2856 p_box = p_box->p_father;
2866 if( strlen( psz_token ) == 4 )
2869 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2870 psz_token[2], psz_token[3] );
2871 p_box = p_box->p_first;
2881 if( p_box->i_type == i_fourcc )
2889 p_box = p_box->p_next;
2893 if( strlen( psz_token ) == 0 )
2895 p_box = p_box->p_first;
2910 p_box = p_box->p_next;
2915 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2916 FREENULL( psz_token );
2926 /*****************************************************************************
2927 * MP4_BoxGet: find a box given a path relative to p_box
2928 *****************************************************************************
2929 * Path Format: . .. / as usual
2930 * [number] to specifie box number ex: trak[12]
2932 * ex: /moov/trak[12]
2934 *****************************************************************************/
2935 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2938 MP4_Box_t *p_result;
2940 va_start( args, psz_fmt );
2941 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2947 /*****************************************************************************
2948 * MP4_BoxCount: count box given a path relative to p_box
2949 *****************************************************************************
2950 * Path Format: . .. / as usual
2951 * [number] to specifie box number ex: trak[12]
2953 * ex: /moov/trak[12]
2955 *****************************************************************************/
2956 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2960 MP4_Box_t *p_result, *p_next;
2962 va_start( args, psz_fmt );
2963 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2971 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2973 if( p_next->i_type == p_result->i_type)