1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
6 * Author: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_stream.h> /* vlc_stream_Peek*/
29 #include <vlc_strings.h> /* vlc_ascii_tolower */
32 # include <zlib.h> /* for compressed moov */
36 #include "languages.h"
41 * The input method HAS to be seekable
44 /* convert 16.16 fixed point to floating point */
45 static double conv_fx( int32_t fx
) {
51 /* some functions for mp4 encoding of variables */
53 static void MP4_ConvertDate2Str( char *psz
, uint64_t i_date
, bool b_relative
)
60 /* date begin at 1 jan 1904 */
62 i_date
+= ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
64 i_day
= i_date
/ ( 60*60*24);
65 i_hour
= ( i_date
/( 60*60 ) ) % 60;
66 i_min
= ( i_date
/ 60 ) % 60;
68 sprintf( psz
, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day
, i_hour
, i_min
, i_sec
);
72 /*****************************************************************************
74 *****************************************************************************/
75 static MP4_Box_t
*MP4_ReadBox( stream_t
*p_stream
, MP4_Box_t
*p_father
);
76 static int MP4_Box_Read_Specific( stream_t
*p_stream
, MP4_Box_t
*p_box
, MP4_Box_t
*p_father
);
77 static void MP4_Box_Clean_Specific( MP4_Box_t
*p_box
);
78 static int MP4_PeekBoxHeader( stream_t
*p_stream
, MP4_Box_t
*p_box
);
80 int MP4_Seek( stream_t
*p_stream
, uint64_t i_pos
)
82 /* Prevent prefetch breakage */
83 uint64_t i_size
= stream_Size( p_stream
);
84 if( i_size
> 0 && i_pos
>= i_size
)
87 bool b_canseek
= false;
88 if ( vlc_stream_Control( p_stream
, STREAM_CAN_SEEK
, &b_canseek
) != VLC_SUCCESS
||
91 /* can seek or don't know */
92 return vlc_stream_Seek( p_stream
, i_pos
);
94 /* obviously can't seek then */
96 int64_t i_current_pos
= vlc_stream_Tell( p_stream
);
97 if ( i_current_pos
< 0 || i_pos
< (uint64_t)i_current_pos
)
100 size_t i_toread
= i_pos
- i_current_pos
;
103 else if( i_toread
> (1<<17) )
106 if( vlc_stream_Read( p_stream
, NULL
, i_toread
) != (ssize_t
)i_toread
)
111 static void MP4_BoxAddChild( MP4_Box_t
*p_parent
, MP4_Box_t
*p_childbox
)
113 if( !p_parent
->p_first
)
114 p_parent
->p_first
= p_childbox
;
116 p_parent
->p_last
->p_next
= p_childbox
;
117 p_parent
->p_last
= p_childbox
;
118 p_childbox
->p_father
= p_parent
;
121 MP4_Box_t
* MP4_BoxExtract( MP4_Box_t
**pp_chain
, uint32_t i_type
)
123 MP4_Box_t
*p_box
= *pp_chain
;
126 if( p_box
->i_type
== i_type
)
128 *pp_chain
= p_box
->p_next
;
129 p_box
->p_next
= NULL
;
132 pp_chain
= &p_box
->p_next
;
133 p_box
= p_box
->p_next
;
138 /* Don't use vlc_stream_Seek directly */
139 #undef vlc_stream_Seek
140 #define vlc_stream_Seek(a,b) __NO__
142 /*****************************************************************************
143 * MP4_PeekBoxHeader : Load only common parameters for all boxes
144 *****************************************************************************
145 * p_box need to be an already allocated MP4_Box_t, and all data
146 * will only be peek not read
148 * RETURN : 0 if it fail, 1 otherwise
149 *****************************************************************************/
150 static int MP4_PeekBoxHeader( stream_t
*p_stream
, MP4_Box_t
*p_box
)
153 const uint8_t *p_peek
;
155 if( ( ( i_read
= vlc_stream_Peek( p_stream
, &p_peek
, 32 ) ) < 8 ) )
159 p_box
->i_pos
= vlc_stream_Tell( p_stream
);
161 p_box
->data
.p_payload
= NULL
;
162 p_box
->p_father
= NULL
;
163 p_box
->p_first
= NULL
;
164 p_box
->p_last
= NULL
;
165 p_box
->p_next
= NULL
;
167 MP4_GET4BYTES( p_box
->i_shortsize
);
168 MP4_GETFOURCC( p_box
->i_type
);
170 /* Now special case */
172 if( p_box
->i_shortsize
== 1 )
176 /* get the true size on 64 bits */
177 MP4_GET8BYTES( p_box
->i_size
);
181 p_box
->i_size
= p_box
->i_shortsize
;
182 /* XXX size of 0 means that the box extends to end of file */
185 if( UINT64_MAX
- p_box
->i_size
< p_box
->i_pos
)
188 if( p_box
->i_type
== ATOM_uuid
)
192 /* get extented type on 16 bytes */
193 GetUUID( &p_box
->i_uuid
, p_peek
);
196 #ifdef MP4_ULTRA_VERBOSE
199 if MP4_BOX_TYPE_ASCII()
200 msg_Dbg( p_stream
, "found Box: %4.4s size %"PRId64
" %"PRId64
,
201 (char*)&p_box
->i_type
, p_box
->i_size
, p_box
->i_pos
);
203 msg_Dbg( p_stream
, "found Box: c%3.3s size %"PRId64
,
204 (char*)&p_box
->i_type
+1, p_box
->i_size
);
211 /*****************************************************************************
212 * MP4_ReadBoxRestricted : Reads box from current position
213 *****************************************************************************
214 * if p_box == NULL, box is invalid or failed, position undefined
215 * on success, position is past read box or EOF
216 *****************************************************************************/
217 static MP4_Box_t
*MP4_ReadBoxRestricted( stream_t
*p_stream
, MP4_Box_t
*p_father
,
218 const uint32_t onlytypes
[], const uint32_t nottypes
[],
219 bool *pb_restrictionhit
)
221 MP4_Box_t peekbox
= { 0 };
222 if ( !MP4_PeekBoxHeader( p_stream
, &peekbox
) )
225 if( peekbox
.i_size
< 8 )
227 msg_Warn( p_stream
, "found an invalid sized %"PRIu64
" box %4.4s @%"PRIu64
,
228 peekbox
.i_size
, (char *) &peekbox
.i_type
, vlc_stream_Tell(p_stream
) );
232 for( size_t i
=0; nottypes
&& nottypes
[i
]; i
++ )
234 if( nottypes
[i
] == peekbox
.i_type
)
236 *pb_restrictionhit
= true;
241 for( size_t i
=0; onlytypes
&& onlytypes
[i
]; i
++ )
243 if( onlytypes
[i
] != peekbox
.i_type
)
245 *pb_restrictionhit
= true;
250 /* if father's size == 0, it means unknown or infinite size,
251 * and we skip the followong check */
252 if( p_father
&& p_father
->i_size
> 0 )
254 const uint64_t i_box_next
= peekbox
.i_size
+ peekbox
.i_pos
;
255 const uint64_t i_father_next
= p_father
->i_size
+ p_father
->i_pos
;
256 /* check if it's within p-father */
257 if( i_box_next
> i_father_next
)
259 msg_Warn( p_stream
, "out of bound child %4.4s", (char*) &peekbox
.i_type
);
260 return NULL
; /* out of bound */
264 /* Everything seems OK */
265 MP4_Box_t
*p_box
= (MP4_Box_t
*) malloc( sizeof(MP4_Box_t
) );
270 const uint64_t i_next
= p_box
->i_pos
+ p_box
->i_size
;
271 p_box
->p_father
= p_father
;
272 if( MP4_Box_Read_Specific( p_stream
, p_box
, p_father
) != VLC_SUCCESS
)
274 msg_Warn( p_stream
, "Failed reading box %4.4s", (char*) &peekbox
.i_type
);
275 MP4_BoxFree( p_box
);
279 /* Check is we consumed all data */
280 if( vlc_stream_Tell( p_stream
) < i_next
)
282 MP4_Seek( p_stream
, i_next
- 1 ); /* since past seek can fail when hitting EOF */
283 MP4_Seek( p_stream
, i_next
);
284 if( vlc_stream_Tell( p_stream
) < i_next
- 1 ) /* Truncated box */
286 msg_Warn( p_stream
, "truncated box %4.4s discarded", (char*) &peekbox
.i_type
);
287 MP4_BoxFree( p_box
);
293 MP4_BoxAddChild( p_father
, p_box
);
298 /*****************************************************************************
299 * For all known box a loader is given,
300 * you have to be already read container header
301 * without container size, file position on exit is unknown
302 *****************************************************************************/
303 static int MP4_ReadBoxContainerChildrenIndexed( stream_t
*p_stream
,
304 MP4_Box_t
*p_container
, const uint32_t stoplist
[],
305 const uint32_t excludelist
[], bool b_indexed
)
307 /* Size of root container is set to 0 when unknown, for exemple
308 * with a DASH stream. In that case, we skip the following check */
309 if( (p_container
->i_size
|| p_container
->p_father
)
310 && ( vlc_stream_Tell( p_stream
) + ((b_indexed
)?16:8) >
311 (uint64_t)(p_container
->i_pos
+ p_container
->i_size
) )
314 /* there is no box to load */
318 uint64_t i_last_pos
= 0; /* used to detect read failure loops */
319 const uint64_t i_end
= p_container
->i_pos
+ p_container
->i_size
;
320 MP4_Box_t
*p_box
= NULL
;
321 bool b_onexclude
= false;
326 if ( p_container
->i_size
)
328 const uint64_t i_tell
= vlc_stream_Tell( p_stream
);
329 if( i_tell
+ ((b_indexed
)?16:8) >= i_end
)
333 uint32_t i_index
= 0;
337 if ( vlc_stream_Read( p_stream
, read
, 8 ) < 8 )
339 i_index
= GetDWBE(&read
[4]);
341 b_onexclude
= false; /* If stopped due exclude list */
342 if( (p_box
= MP4_ReadBoxRestricted( p_stream
, p_container
, NULL
, excludelist
, &b_onexclude
)) )
345 p_box
->i_index
= i_index
;
346 for(size_t i
=0; stoplist
&& stoplist
[i
]; i
++)
348 if( p_box
->i_type
== stoplist
[i
] )
353 const uint64_t i_tell
= vlc_stream_Tell( p_stream
);
354 if ( p_container
->i_size
&& i_tell
>= i_end
)
356 assert( i_tell
== i_end
);
362 /* Continue with next if box fails to load */
363 if( i_last_pos
== i_tell
)
369 } while( b_continue
);
371 /* Always move to end of container */
372 if ( !b_onexclude
&& p_container
->i_size
)
374 const uint64_t i_tell
= vlc_stream_Tell( p_stream
);
375 if ( i_tell
!= i_end
)
376 MP4_Seek( p_stream
, i_end
);
382 int MP4_ReadBoxContainerRestricted( stream_t
*p_stream
, MP4_Box_t
*p_container
,
383 const uint32_t stoplist
[], const uint32_t excludelist
[] )
385 return MP4_ReadBoxContainerChildrenIndexed( p_stream
, p_container
,
386 stoplist
, excludelist
, false );
389 int MP4_ReadBoxContainerChildren( stream_t
*p_stream
, MP4_Box_t
*p_container
,
390 const uint32_t stoplist
[] )
392 return MP4_ReadBoxContainerChildrenIndexed( p_stream
, p_container
,
393 stoplist
, NULL
, false );
396 static void MP4_BoxOffsetUp( MP4_Box_t
*p_box
, uint64_t i_offset
)
400 p_box
->i_pos
+= i_offset
;
401 MP4_BoxOffsetUp( p_box
->p_first
, i_offset
);
402 p_box
= p_box
->p_next
;
406 /* Reads within an already read/in memory box (containers without having to seek) */
407 static int MP4_ReadBoxContainerRawInBox( stream_t
*p_stream
, MP4_Box_t
*p_container
,
408 uint8_t *p_buffer
, uint64_t i_size
, uint64_t i_offset
)
412 stream_t
*p_substream
= vlc_stream_MemoryNew( p_stream
, p_buffer
, i_size
,
416 MP4_Box_t
*p_last
= p_container
->p_last
;
417 MP4_ReadBoxContainerChildren( p_substream
, p_container
, NULL
);
418 vlc_stream_Delete( p_substream
);
422 MP4_Box_t
*p_box
= p_last
? p_last
: p_container
->p_first
;
423 MP4_BoxOffsetUp(p_box
, i_offset
);
429 static int MP4_ReadBoxContainer( stream_t
*p_stream
, MP4_Box_t
*p_container
)
431 if( p_container
->i_size
&&
432 ( p_container
->i_size
<= (size_t)mp4_box_headersize(p_container
) + 8 ) )
434 /* container is empty, 8 stand for the first header in this box */
439 if ( MP4_Seek( p_stream
, p_container
->i_pos
+
440 mp4_box_headersize( p_container
) ) )
442 return MP4_ReadBoxContainerChildren( p_stream
, p_container
, NULL
);
445 static int MP4_ReadBoxSkip( stream_t
*p_stream
, MP4_Box_t
*p_box
)
447 /* XXX sometime moov is hiden in a free box */
448 if( p_box
->p_father
&&
449 p_box
->p_father
->i_type
== ATOM_root
&&
450 p_box
->i_type
== ATOM_free
)
452 const uint8_t *p_peek
;
456 i_read
= vlc_stream_Peek( p_stream
, &p_peek
, 44 );
458 p_peek
+= mp4_box_headersize( p_box
) + 4;
459 i_read
-= mp4_box_headersize( p_box
) + 4;
463 i_fcc
= VLC_FOURCC( p_peek
[0], p_peek
[1], p_peek
[2], p_peek
[3] );
465 if( i_fcc
== ATOM_cmov
|| i_fcc
== ATOM_mvhd
)
467 msg_Warn( p_stream
, "detected moov hidden in a free box ..." );
469 p_box
->i_type
= ATOM_foov
;
470 return MP4_ReadBoxContainer( p_stream
, p_box
);
476 #ifdef MP4_ULTRA_VERBOSE
477 if MP4_BOX_TYPE_ASCII()
478 msg_Dbg( p_stream
, "skip box: \"%4.4s\"", (char*)&p_box
->i_type
);
480 msg_Dbg( p_stream
, "skip box: \"c%3.3s\"", (char*)&p_box
->i_type
+1 );
485 static int MP4_ReadBox_ilst( stream_t
*p_stream
, MP4_Box_t
*p_box
)
487 if( p_box
->i_size
< 8 || vlc_stream_Read( p_stream
, NULL
, 8 ) < 8 )
490 /* Find our handler */
491 if ( !p_box
->i_handler
&& p_box
->p_father
)
493 const MP4_Box_t
*p_sibling
= p_box
->p_father
->p_first
;
496 if ( p_sibling
->i_type
== ATOM_hdlr
&& p_sibling
->data
.p_hdlr
)
498 p_box
->i_handler
= p_sibling
->data
.p_hdlr
->i_handler_type
;
501 p_sibling
= p_sibling
->p_next
;
505 switch( p_box
->i_handler
)
508 msg_Warn( p_stream
, "no handler for ilst atom" );
511 return MP4_ReadBoxContainerChildrenIndexed( p_stream
, p_box
, NULL
, NULL
, true );
513 return MP4_ReadBoxContainerChildren( p_stream
, p_box
, NULL
);
515 msg_Warn( p_stream
, "Unknown ilst handler type '%4.4s'", (char*)&p_box
->i_handler
);
520 static void MP4_FreeBox_ftyp( MP4_Box_t
*p_box
)
522 FREENULL( p_box
->data
.p_ftyp
->i_compatible_brands
);
525 static int MP4_ReadBox_ftyp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
527 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t
, MP4_FreeBox_ftyp
);
529 MP4_GETFOURCC( p_box
->data
.p_ftyp
->i_major_brand
);
530 MP4_GET4BYTES( p_box
->data
.p_ftyp
->i_minor_version
);
532 if( ( p_box
->data
.p_ftyp
->i_compatible_brands_count
= i_read
/ 4 ) )
534 uint32_t *tab
= p_box
->data
.p_ftyp
->i_compatible_brands
=
535 calloc( p_box
->data
.p_ftyp
->i_compatible_brands_count
,
538 if( unlikely( tab
== NULL
) )
539 MP4_READBOX_EXIT( 0 );
541 for( unsigned i
= 0; i
< p_box
->data
.p_ftyp
->i_compatible_brands_count
; i
++ )
543 MP4_GETFOURCC( tab
[i
] );
548 p_box
->data
.p_ftyp
->i_compatible_brands
= NULL
;
551 MP4_READBOX_EXIT( 1 );
555 static int MP4_ReadBox_mvhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
558 char s_creation_time
[128];
559 char s_modification_time
[128];
560 char s_duration
[128];
562 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t
, NULL
);
564 MP4_GETVERSIONFLAGS( p_box
->data
.p_mvhd
);
566 if( p_box
->data
.p_mvhd
->i_version
)
568 MP4_GET8BYTES( p_box
->data
.p_mvhd
->i_creation_time
);
569 MP4_GET8BYTES( p_box
->data
.p_mvhd
->i_modification_time
);
570 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_timescale
);
571 MP4_GET8BYTES( p_box
->data
.p_mvhd
->i_duration
);
575 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_creation_time
);
576 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_modification_time
);
577 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_timescale
);
578 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_duration
);
580 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_rate
);
581 MP4_GET2BYTES( p_box
->data
.p_mvhd
->i_volume
);
582 MP4_GET2BYTES( p_box
->data
.p_mvhd
->i_reserved1
);
585 for( unsigned i
= 0; i
< 2; i
++ )
587 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_reserved2
[i
] );
589 for( unsigned i
= 0; i
< 9; i
++ )
591 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_matrix
[i
] );
593 for( unsigned i
= 0; i
< 6; i
++ )
595 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_predefined
[i
] );
598 MP4_GET4BYTES( p_box
->data
.p_mvhd
->i_next_track_id
);
602 MP4_ConvertDate2Str( s_creation_time
, p_box
->data
.p_mvhd
->i_creation_time
, false );
603 MP4_ConvertDate2Str( s_modification_time
,
604 p_box
->data
.p_mvhd
->i_modification_time
, false );
605 if( p_box
->data
.p_mvhd
->i_rate
&& p_box
->data
.p_mvhd
->i_timescale
)
607 MP4_ConvertDate2Str( s_duration
, p_box
->data
.p_mvhd
->i_duration
/ p_box
->data
.p_mvhd
->i_timescale
, true );
613 msg_Dbg( p_stream
, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
616 (uint32_t)p_box
->data
.p_mvhd
->i_timescale
,
618 (float)p_box
->data
.p_mvhd
->i_rate
/ (1<<16 ),
619 (float)p_box
->data
.p_mvhd
->i_volume
/ 256 ,
620 (uint32_t)p_box
->data
.p_mvhd
->i_next_track_id
);
622 MP4_READBOX_EXIT( 1 );
625 static int MP4_ReadBox_mfhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
627 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t
, NULL
);
629 MP4_GETVERSIONFLAGS( p_box
->data
.p_mvhd
);
631 MP4_GET4BYTES( p_box
->data
.p_mfhd
->i_sequence_number
);
634 msg_Dbg( p_stream
, "read box: \"mfhd\" sequence number %d",
635 p_box
->data
.p_mfhd
->i_sequence_number
);
637 MP4_READBOX_EXIT( 1 );
640 static int MP4_ReadBox_tfxd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
642 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t
, NULL
);
644 MP4_Box_data_tfxd_t
*p_tfxd_data
= p_box
->data
.p_tfxd
;
645 MP4_GETVERSIONFLAGS( p_tfxd_data
);
647 if( p_tfxd_data
->i_version
== 0 )
649 MP4_GET4BYTES( p_tfxd_data
->i_fragment_abs_time
);
650 MP4_GET4BYTES( p_tfxd_data
->i_fragment_duration
);
654 MP4_GET8BYTES( p_tfxd_data
->i_fragment_abs_time
);
655 MP4_GET8BYTES( p_tfxd_data
->i_fragment_duration
);
659 msg_Dbg( p_stream
, "read box: \"tfxd\" version %d, flags 0x%x, "\
660 "fragment duration %"PRIu64
", fragment abs time %"PRIu64
,
661 p_tfxd_data
->i_version
,
662 p_tfxd_data
->i_flags
,
663 p_tfxd_data
->i_fragment_duration
,
664 p_tfxd_data
->i_fragment_abs_time
668 MP4_READBOX_EXIT( 1 );
671 static void MP4_FreeBox_tfrf( MP4_Box_t
*p_box
)
673 FREENULL( p_box
->data
.p_tfrf
->p_tfrf_data_fields
);
676 static int MP4_ReadBox_tfrf( stream_t
*p_stream
, MP4_Box_t
*p_box
)
678 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t
, MP4_FreeBox_tfrf
);
680 MP4_Box_data_tfrf_t
*p_tfrf_data
= p_box
->data
.p_tfrf
;
681 MP4_GETVERSIONFLAGS( p_tfrf_data
);
683 MP4_GET1BYTE( p_tfrf_data
->i_fragment_count
);
685 p_tfrf_data
->p_tfrf_data_fields
= calloc( p_tfrf_data
->i_fragment_count
,
686 sizeof( TfrfBoxDataFields_t
) );
687 if( !p_tfrf_data
->p_tfrf_data_fields
)
688 MP4_READBOX_EXIT( 0 );
690 for( uint8_t i
= 0; i
< p_tfrf_data
->i_fragment_count
; i
++ )
692 TfrfBoxDataFields_t
*TfrfBoxDataField
= &p_tfrf_data
->p_tfrf_data_fields
[i
];
693 if( p_tfrf_data
->i_version
== 0 )
695 MP4_GET4BYTES( TfrfBoxDataField
->i_fragment_abs_time
);
696 MP4_GET4BYTES( TfrfBoxDataField
->i_fragment_duration
);
700 MP4_GET8BYTES( TfrfBoxDataField
->i_fragment_abs_time
);
701 MP4_GET8BYTES( TfrfBoxDataField
->i_fragment_duration
);
706 msg_Dbg( p_stream
, "read box: \"tfrf\" version %d, flags 0x%x, "\
707 "fragment count %"PRIu8
, p_tfrf_data
->i_version
,
708 p_tfrf_data
->i_flags
, p_tfrf_data
->i_fragment_count
);
710 for( uint8_t i
= 0; i
< p_tfrf_data
->i_fragment_count
; i
++ )
712 TfrfBoxDataFields_t
*TfrfBoxDataField
= &p_tfrf_data
->p_tfrf_data_fields
[i
];
713 msg_Dbg( p_stream
, "\"tfrf\" fragment duration %"PRIu64
", "\
714 "fragment abs time %"PRIu64
,
715 TfrfBoxDataField
->i_fragment_duration
,
716 TfrfBoxDataField
->i_fragment_abs_time
);
721 MP4_READBOX_EXIT( 1 );
724 static int MP4_ReadBox_XML360( stream_t
*p_stream
, MP4_Box_t
*p_box
)
726 MP4_READBOX_ENTER( MP4_Box_data_360_t
, NULL
);
728 MP4_Box_data_360_t
*p_360_data
= p_box
->data
.p_360
;
730 /* Copy the string for pattern matching as it does not end
731 with a '\0' in the stream. */
732 char *psz_rdf
= strndup((char *)p_peek
, i_read
);
734 if ( unlikely( !psz_rdf
) )
735 MP4_READBOX_EXIT( 0 );
737 /* Try to find the string "GSpherical:Spherical" because the v1
738 spherical video spec says the tag must be there. */
740 if ( strcasestr( psz_rdf
, "Gspherical:Spherical" ) )
741 p_360_data
->i_projection_mode
= PROJECTION_MODE_EQUIRECTANGULAR
;
743 /* Try to find the stero mode. */
744 if ( strcasestr( psz_rdf
, "left-right" ) )
746 msg_Dbg( p_stream
, "Left-right stereo mode" );
747 p_360_data
->e_stereo_mode
= XML360_STEREOSCOPIC_LEFT_RIGHT
;
750 if ( strcasestr( psz_rdf
, "top-bottom" ) )
752 msg_Dbg( p_stream
, "Top-bottom stereo mode" );
753 p_360_data
->e_stereo_mode
= XML360_STEREOSCOPIC_TOP_BOTTOM
;
758 MP4_READBOX_EXIT( 1 );
761 static int MP4_ReadBox_st3d( stream_t
*p_stream
, MP4_Box_t
*p_box
)
763 MP4_READBOX_ENTER( MP4_Box_data_st3d_t
, NULL
);
766 MP4_GET1BYTE( i_version
);
767 if ( i_version
!= 0 )
768 MP4_READBOX_EXIT( 0 );
771 VLC_UNUSED( i_flags
);
772 MP4_GET3BYTES( i_flags
);
774 MP4_Box_data_st3d_t
*p_data
= p_box
->data
.p_st3d
;
775 MP4_GET1BYTE( p_data
->i_stereo_mode
);
777 MP4_READBOX_EXIT( 1 );
780 static int MP4_ReadBox_prhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
782 MP4_READBOX_ENTER( MP4_Box_data_prhd_t
, NULL
);
785 MP4_GET1BYTE( i_version
);
787 MP4_READBOX_EXIT( 0 );
790 VLC_UNUSED( i_flags
);
791 MP4_GET3BYTES( i_flags
);
793 MP4_Box_data_prhd_t
*p_data
= p_box
->data
.p_prhd
;
795 MP4_GET4BYTES( fixed16_16
);
796 p_data
->f_pose_yaw_degrees
= (float) fixed16_16
/ 65536.0f
;
798 MP4_GET4BYTES( fixed16_16
);
799 p_data
->f_pose_pitch_degrees
= (float) fixed16_16
/ 65536.0f
;
801 MP4_GET4BYTES( fixed16_16
);
802 p_data
->f_pose_roll_degrees
= (float) fixed16_16
/ 65536.0f
;
804 MP4_READBOX_EXIT( 1 );
807 static int MP4_ReadBox_equi( stream_t
*p_stream
, MP4_Box_t
*p_box
)
809 MP4_READBOX_ENTER( MP4_Box_data_equi_t
, NULL
);
812 MP4_GET1BYTE( i_version
);
814 MP4_READBOX_EXIT( 0 );
817 VLC_UNUSED( i_flags
);
818 MP4_GET3BYTES( i_flags
);
820 MP4_Box_data_equi_t
*p_data
= p_box
->data
.p_equi
;
821 MP4_GET4BYTES( p_data
->i_projection_bounds_top
);
822 MP4_GET4BYTES( p_data
->i_projection_bounds_bottom
);
823 MP4_GET4BYTES( p_data
->i_projection_bounds_left
);
824 MP4_GET4BYTES( p_data
->i_projection_bounds_right
);
826 MP4_READBOX_EXIT( 1 );
829 static int MP4_ReadBox_cbmp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
831 MP4_READBOX_ENTER( MP4_Box_data_cbmp_t
, NULL
);
834 MP4_GET1BYTE( i_version
);
836 MP4_READBOX_EXIT( 0 );
839 VLC_UNUSED( i_flags
);
840 MP4_GET3BYTES( i_flags
);
842 MP4_Box_data_cbmp_t
*p_data
= p_box
->data
.p_cbmp
;
843 MP4_GET4BYTES( p_data
->i_layout
);
844 MP4_GET4BYTES( p_data
->i_padding
);
846 MP4_READBOX_EXIT( 1 );
849 static void MP4_FreeBox_sidx( MP4_Box_t
*p_box
)
851 FREENULL( p_box
->data
.p_sidx
->p_items
);
854 static int MP4_ReadBox_sidx( stream_t
*p_stream
, MP4_Box_t
*p_box
)
856 MP4_READBOX_ENTER( MP4_Box_data_sidx_t
, MP4_FreeBox_sidx
);
858 MP4_Box_data_sidx_t
*p_sidx_data
= p_box
->data
.p_sidx
;
859 MP4_GETVERSIONFLAGS( p_sidx_data
);
861 MP4_GET4BYTES( p_sidx_data
->i_reference_ID
);
862 MP4_GET4BYTES( p_sidx_data
->i_timescale
);
864 if( p_sidx_data
->i_version
== 0 )
866 MP4_GET4BYTES( p_sidx_data
->i_earliest_presentation_time
);
867 MP4_GET4BYTES( p_sidx_data
->i_first_offset
);
871 MP4_GET8BYTES( p_sidx_data
->i_earliest_presentation_time
);
872 MP4_GET8BYTES( p_sidx_data
->i_first_offset
);
876 VLC_UNUSED(i_reserved
);
877 MP4_GET2BYTES( i_reserved
);
878 MP4_GET2BYTES( p_sidx_data
->i_reference_count
);
879 uint16_t i_count
= p_sidx_data
->i_reference_count
;
881 p_sidx_data
->p_items
= calloc( i_count
, sizeof( MP4_Box_sidx_item_t
) );
883 for( unsigned i
= 0; i
< i_count
; i
++ )
885 MP4_GET4BYTES( tmp
);
886 p_sidx_data
->p_items
[i
].b_reference_type
= (bool)((tmp
& 0x80000000)>>24);
887 p_sidx_data
->p_items
[i
].i_referenced_size
= tmp
& 0x7fffffff;
888 MP4_GET4BYTES( p_sidx_data
->p_items
[i
].i_subsegment_duration
);
890 MP4_GET4BYTES( tmp
);
891 p_sidx_data
->p_items
[i
].b_starts_with_SAP
= (bool)((tmp
& 0x80000000)>>24);
892 p_sidx_data
->p_items
[i
].i_SAP_type
= (tmp
& 0x70000000)>>24;
893 p_sidx_data
->p_items
[i
].i_SAP_delta_time
= tmp
& 0xfffffff;
897 msg_Dbg( p_stream
, "read box: \"sidx\" version %d, flags 0x%x, "\
898 "ref_ID %"PRIu32
", timescale %"PRIu32
", ref_count %"PRIu16
", "\
899 "first subsegmt duration %"PRIu32
,
900 p_sidx_data
->i_version
,
901 p_sidx_data
->i_flags
,
902 p_sidx_data
->i_reference_ID
,
903 p_sidx_data
->i_timescale
,
904 p_sidx_data
->i_reference_count
,
905 p_sidx_data
->p_items
[0].i_subsegment_duration
909 MP4_READBOX_EXIT( 1 );
912 static int MP4_ReadBox_tfhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
914 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t
, NULL
);
916 MP4_GETVERSIONFLAGS( p_box
->data
.p_tfhd
);
918 if( p_box
->data
.p_tfhd
->i_version
!= 0 )
920 msg_Warn( p_stream
, "'tfhd' box with version != 0. "\
921 " Don't know what to do with that, please patch" );
922 MP4_READBOX_EXIT( 0 );
925 MP4_GET4BYTES( p_box
->data
.p_tfhd
->i_track_ID
);
927 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DURATION_IS_EMPTY
)
929 msg_Dbg( p_stream
, "'duration-is-empty' flag is present "\
930 "=> no samples for this time interval." );
931 p_box
->data
.p_tfhd
->b_empty
= true;
934 p_box
->data
.p_tfhd
->b_empty
= false;
936 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_BASE_DATA_OFFSET
)
937 MP4_GET8BYTES( p_box
->data
.p_tfhd
->i_base_data_offset
);
938 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_SAMPLE_DESC_INDEX
)
939 MP4_GET4BYTES( p_box
->data
.p_tfhd
->i_sample_description_index
);
940 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DFLT_SAMPLE_DURATION
)
941 MP4_GET4BYTES( p_box
->data
.p_tfhd
->i_default_sample_duration
);
942 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DFLT_SAMPLE_SIZE
)
943 MP4_GET4BYTES( p_box
->data
.p_tfhd
->i_default_sample_size
);
944 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DFLT_SAMPLE_FLAGS
)
945 MP4_GET4BYTES( p_box
->data
.p_tfhd
->i_default_sample_flags
);
948 char psz_base
[128] = "\0";
949 char psz_desc
[128] = "\0";
950 char psz_dura
[128] = "\0";
951 char psz_size
[128] = "\0";
952 char psz_flag
[128] = "\0";
953 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_BASE_DATA_OFFSET
)
954 snprintf(psz_base
, sizeof(psz_base
), "base offset %"PRId64
, p_box
->data
.p_tfhd
->i_base_data_offset
);
955 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_SAMPLE_DESC_INDEX
)
956 snprintf(psz_desc
, sizeof(psz_desc
), "sample description index %d", p_box
->data
.p_tfhd
->i_sample_description_index
);
957 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DFLT_SAMPLE_DURATION
)
958 snprintf(psz_dura
, sizeof(psz_dura
), "sample duration %d", p_box
->data
.p_tfhd
->i_default_sample_duration
);
959 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DFLT_SAMPLE_SIZE
)
960 snprintf(psz_size
, sizeof(psz_size
), "sample size %d", p_box
->data
.p_tfhd
->i_default_sample_size
);
961 if( p_box
->data
.p_tfhd
->i_flags
& MP4_TFHD_DFLT_SAMPLE_FLAGS
)
962 snprintf(psz_flag
, sizeof(psz_flag
), "sample flags 0x%x", p_box
->data
.p_tfhd
->i_default_sample_flags
);
964 msg_Dbg( p_stream
, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
965 p_box
->data
.p_tfhd
->i_version
,
966 p_box
->data
.p_tfhd
->i_flags
,
967 p_box
->data
.p_tfhd
->i_track_ID
,
968 psz_base
, psz_desc
, psz_dura
, psz_size
, psz_flag
);
971 MP4_READBOX_EXIT( 1 );
974 static void MP4_FreeBox_trun( MP4_Box_t
*p_box
)
976 FREENULL( p_box
->data
.p_trun
->p_samples
);
979 static int MP4_ReadBox_trun( stream_t
*p_stream
, MP4_Box_t
*p_box
)
981 MP4_READBOX_ENTER( MP4_Box_data_trun_t
, MP4_FreeBox_trun
);
983 MP4_GETVERSIONFLAGS( p_box
->data
.p_trun
);
985 MP4_GET4BYTES( p_box
->data
.p_trun
->i_sample_count
);
987 if( p_box
->data
.p_trun
->i_flags
& MP4_TRUN_DATA_OFFSET
)
988 MP4_GET4BYTES( p_box
->data
.p_trun
->i_data_offset
);
989 if( p_box
->data
.p_trun
->i_flags
& MP4_TRUN_FIRST_FLAGS
)
990 MP4_GET4BYTES( p_box
->data
.p_trun
->i_first_sample_flags
);
992 p_box
->data
.p_trun
->p_samples
=
993 calloc( p_box
->data
.p_trun
->i_sample_count
, sizeof(MP4_descriptor_trun_sample_t
) );
994 if ( p_box
->data
.p_trun
->p_samples
== NULL
)
995 MP4_READBOX_EXIT( 0 );
997 for( unsigned int i
= 0; i
<p_box
->data
.p_trun
->i_sample_count
; i
++ )
999 MP4_descriptor_trun_sample_t
*p_sample
= &p_box
->data
.p_trun
->p_samples
[i
];
1000 if( p_box
->data
.p_trun
->i_flags
& MP4_TRUN_SAMPLE_DURATION
)
1001 MP4_GET4BYTES( p_sample
->i_duration
);
1002 if( p_box
->data
.p_trun
->i_flags
& MP4_TRUN_SAMPLE_SIZE
)
1003 MP4_GET4BYTES( p_sample
->i_size
);
1004 if( p_box
->data
.p_trun
->i_flags
& MP4_TRUN_SAMPLE_FLAGS
)
1005 MP4_GET4BYTES( p_sample
->i_flags
);
1006 if( p_box
->data
.p_trun
->i_flags
& MP4_TRUN_SAMPLE_TIME_OFFSET
)
1007 MP4_GET4BYTES( p_sample
->i_composition_time_offset
.v0
);
1010 #ifdef MP4_ULTRA_VERBOSE
1011 msg_Dbg( p_stream
, "read box: \"trun\" version %u flags 0x%x sample count %u",
1012 p_box
->data
.p_trun
->i_version
,
1013 p_box
->data
.p_trun
->i_flags
,
1014 p_box
->data
.p_trun
->i_sample_count
);
1016 for( unsigned int i
= 0; i
<p_box
->data
.p_trun
->i_sample_count
; i
++ )
1018 MP4_descriptor_trun_sample_t
*p_sample
= &p_box
->data
.p_trun
->p_samples
[i
];
1019 msg_Dbg( p_stream
, "read box: \"trun\" sample %4.4u flags 0x%x "\
1020 "duration %"PRIu32
" size %"PRIu32
" composition time offset %"PRIu32
,
1021 i
, p_sample
->i_flags
, p_sample
->i_duration
,
1022 p_sample
->i_size
, p_sample
->i_composition_time_offset
);
1026 MP4_READBOX_EXIT( 1 );
1029 static int MP4_ReadBox_tfdt( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1031 MP4_READBOX_ENTER( MP4_Box_data_tfdt_t
, NULL
);
1033 MP4_READBOX_EXIT( 0 );
1035 MP4_GETVERSIONFLAGS( p_box
->data
.p_tfdt
);
1037 if( p_box
->data
.p_tfdt
->i_version
== 0 )
1038 MP4_GET4BYTES( p_box
->data
.p_tfdt
->i_base_media_decode_time
);
1039 else if( p_box
->data
.p_tfdt
->i_version
== 1 )
1040 MP4_GET8BYTES( p_box
->data
.p_tfdt
->i_base_media_decode_time
);
1042 MP4_READBOX_EXIT( 0 );
1044 MP4_READBOX_EXIT( 1 );
1047 static int MP4_ReadBox_tkhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1050 char s_creation_time
[128];
1051 char s_modification_time
[128];
1052 char s_duration
[128];
1054 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t
, NULL
);
1056 MP4_GETVERSIONFLAGS( p_box
->data
.p_tkhd
);
1058 if( p_box
->data
.p_tkhd
->i_version
)
1060 MP4_GET8BYTES( p_box
->data
.p_tkhd
->i_creation_time
);
1061 MP4_GET8BYTES( p_box
->data
.p_tkhd
->i_modification_time
);
1062 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_track_ID
);
1063 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_reserved
);
1064 MP4_GET8BYTES( p_box
->data
.p_tkhd
->i_duration
);
1068 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_creation_time
);
1069 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_modification_time
);
1070 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_track_ID
);
1071 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_reserved
);
1072 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_duration
);
1075 for( unsigned i
= 0; i
< 2; i
++ )
1077 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_reserved2
[i
] );
1079 MP4_GET2BYTES( p_box
->data
.p_tkhd
->i_layer
);
1080 MP4_GET2BYTES( p_box
->data
.p_tkhd
->i_predefined
);
1081 MP4_GET2BYTES( p_box
->data
.p_tkhd
->i_volume
);
1082 MP4_GET2BYTES( p_box
->data
.p_tkhd
->i_reserved3
);
1084 for( unsigned i
= 0; i
< 9; i
++ )
1086 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_matrix
[i
] );
1088 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_width
);
1089 MP4_GET4BYTES( p_box
->data
.p_tkhd
->i_height
);
1091 double rotation
= 0;//angle in degrees to be rotated clockwise
1092 double scale
[2]; // scale factor; sx = scale[0] , sy = scale[1]
1093 int32_t *matrix
= p_box
->data
.p_tkhd
->i_matrix
;
1095 scale
[0] = sqrt(conv_fx(matrix
[0]) * conv_fx(matrix
[0]) +
1096 conv_fx(matrix
[3]) * conv_fx(matrix
[3]));
1097 scale
[1] = sqrt(conv_fx(matrix
[1]) * conv_fx(matrix
[1]) +
1098 conv_fx(matrix
[4]) * conv_fx(matrix
[4]));
1100 if( likely(scale
[0] > 0 && scale
[1] > 0) )
1102 rotation
= atan2(conv_fx(matrix
[1]) / scale
[1],
1103 conv_fx(matrix
[0]) / scale
[0]) * 180 / M_PI
;
1108 p_box
->data
.p_tkhd
->f_rotation
= rotation
;
1111 double translate
[2];// amount to translate; tx = translate[0] , ty = translate[1]
1113 translate
[0] = conv_fx(matrix
[6]);
1114 translate
[1] = conv_fx(matrix
[7]);
1116 MP4_ConvertDate2Str( s_creation_time
, p_box
->data
.p_mvhd
->i_creation_time
, false );
1117 MP4_ConvertDate2Str( s_modification_time
, p_box
->data
.p_mvhd
->i_modification_time
, false );
1118 MP4_ConvertDate2Str( s_duration
, p_box
->data
.p_mvhd
->i_duration
, true );
1120 msg_Dbg( p_stream
, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f rotation %f scaleX %f scaleY %f translateX %f translateY %f width %f height %f. "
1121 "Matrix: %i %i %i %i %i %i %i %i %i",
1123 s_modification_time
,
1125 p_box
->data
.p_tkhd
->i_track_ID
,
1126 p_box
->data
.p_tkhd
->i_layer
,
1127 (float)p_box
->data
.p_tkhd
->i_volume
/ 256 ,
1133 (float)p_box
->data
.p_tkhd
->i_width
/ BLOCK16x16
,
1134 (float)p_box
->data
.p_tkhd
->i_height
/ BLOCK16x16
,
1135 p_box
->data
.p_tkhd
->i_matrix
[0],
1136 p_box
->data
.p_tkhd
->i_matrix
[1],
1137 p_box
->data
.p_tkhd
->i_matrix
[2],
1138 p_box
->data
.p_tkhd
->i_matrix
[3],
1139 p_box
->data
.p_tkhd
->i_matrix
[4],
1140 p_box
->data
.p_tkhd
->i_matrix
[5],
1141 p_box
->data
.p_tkhd
->i_matrix
[6],
1142 p_box
->data
.p_tkhd
->i_matrix
[7],
1143 p_box
->data
.p_tkhd
->i_matrix
[8] );
1145 MP4_READBOX_EXIT( 1 );
1148 static int MP4_ReadBox_load( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1150 if ( p_box
->i_size
!= 24 )
1152 MP4_READBOX_ENTER( MP4_Box_data_load_t
, NULL
);
1153 MP4_GET4BYTES( p_box
->data
.p_load
->i_start_time
);
1154 MP4_GET4BYTES( p_box
->data
.p_load
->i_duration
);
1155 MP4_GET4BYTES( p_box
->data
.p_load
->i_flags
);
1156 MP4_GET4BYTES( p_box
->data
.p_load
->i_hints
);
1157 MP4_READBOX_EXIT( 1 );
1160 static int MP4_ReadBox_mdhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1162 uint16_t i_language
;
1164 char s_creation_time
[128];
1165 char s_modification_time
[128];
1166 char s_duration
[128];
1168 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t
, NULL
);
1170 MP4_GETVERSIONFLAGS( p_box
->data
.p_mdhd
);
1172 if( p_box
->data
.p_mdhd
->i_version
)
1174 MP4_GET8BYTES( p_box
->data
.p_mdhd
->i_creation_time
);
1175 MP4_GET8BYTES( p_box
->data
.p_mdhd
->i_modification_time
);
1176 MP4_GET4BYTES( p_box
->data
.p_mdhd
->i_timescale
);
1177 MP4_GET8BYTES( p_box
->data
.p_mdhd
->i_duration
);
1181 MP4_GET4BYTES( p_box
->data
.p_mdhd
->i_creation_time
);
1182 MP4_GET4BYTES( p_box
->data
.p_mdhd
->i_modification_time
);
1183 MP4_GET4BYTES( p_box
->data
.p_mdhd
->i_timescale
);
1184 MP4_GET4BYTES( p_box
->data
.p_mdhd
->i_duration
);
1187 MP4_GET2BYTES( i_language
);
1188 decodeQtLanguageCode( i_language
, p_box
->data
.p_mdhd
->rgs_language
,
1189 &p_box
->data
.p_mdhd
->b_mac_encoding
);
1191 MP4_GET2BYTES( p_box
->data
.p_mdhd
->i_quality
);
1194 MP4_ConvertDate2Str( s_creation_time
, p_box
->data
.p_mdhd
->i_creation_time
, false );
1195 MP4_ConvertDate2Str( s_modification_time
, p_box
->data
.p_mdhd
->i_modification_time
, false );
1196 MP4_ConvertDate2Str( s_duration
, p_box
->data
.p_mdhd
->i_duration
, true );
1197 msg_Dbg( p_stream
, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %3.3s",
1199 s_modification_time
,
1200 (uint32_t)p_box
->data
.p_mdhd
->i_timescale
,
1202 (char*) &p_box
->data
.p_mdhd
->rgs_language
);
1204 MP4_READBOX_EXIT( 1 );
1207 static void MP4_FreeBox_hdlr( MP4_Box_t
*p_box
)
1209 FREENULL( p_box
->data
.p_hdlr
->psz_name
);
1212 static int MP4_ReadBox_hdlr( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1215 VLC_UNUSED(i_reserved
);
1217 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t
, MP4_FreeBox_hdlr
);
1219 MP4_GETVERSIONFLAGS( p_box
->data
.p_hdlr
);
1221 MP4_GETFOURCC( p_box
->data
.p_hdlr
->i_predefined
);
1222 MP4_GETFOURCC( p_box
->data
.p_hdlr
->i_handler_type
);
1224 MP4_GET4BYTES( i_reserved
);
1225 MP4_GET4BYTES( i_reserved
);
1226 MP4_GET4BYTES( i_reserved
);
1227 p_box
->data
.p_hdlr
->psz_name
= NULL
;
1231 uint8_t *psz
= p_box
->data
.p_hdlr
->psz_name
= malloc( i_read
+ 1 );
1232 if( unlikely( psz
== NULL
) )
1233 MP4_READBOX_EXIT( 0 );
1235 /* Yes, I love .mp4 :( */
1236 if( p_box
->data
.p_hdlr
->i_predefined
== VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
1241 MP4_GET1BYTE( i_len
);
1242 i_copy
= __MIN( i_read
, i_len
);
1244 memcpy( psz
, p_peek
, i_copy
);
1245 p_box
->data
.p_hdlr
->psz_name
[i_copy
] = '\0';
1249 memcpy( psz
, p_peek
, i_read
);
1250 p_box
->data
.p_hdlr
->psz_name
[i_read
] = '\0';
1255 msg_Dbg( p_stream
, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
1256 (char*)&p_box
->data
.p_hdlr
->i_handler_type
,
1257 p_box
->data
.p_hdlr
->psz_name
);
1260 MP4_READBOX_EXIT( 1 );
1263 static int MP4_ReadBox_vmhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1265 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t
, NULL
);
1267 MP4_GETVERSIONFLAGS( p_box
->data
.p_vmhd
);
1269 MP4_GET2BYTES( p_box
->data
.p_vmhd
->i_graphics_mode
);
1270 for( unsigned i
= 0; i
< 3; i
++ )
1272 MP4_GET2BYTES( p_box
->data
.p_vmhd
->i_opcolor
[i
] );
1276 msg_Dbg( p_stream
, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
1277 p_box
->data
.p_vmhd
->i_graphics_mode
,
1278 p_box
->data
.p_vmhd
->i_opcolor
[0],
1279 p_box
->data
.p_vmhd
->i_opcolor
[1],
1280 p_box
->data
.p_vmhd
->i_opcolor
[2] );
1282 MP4_READBOX_EXIT( 1 );
1285 static int MP4_ReadBox_smhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1287 MP4_READBOX_ENTER( MP4_Box_data_smhd_t
, NULL
);
1289 MP4_GETVERSIONFLAGS( p_box
->data
.p_smhd
);
1293 MP4_GET2BYTES( p_box
->data
.p_smhd
->i_balance
);
1295 MP4_GET2BYTES( p_box
->data
.p_smhd
->i_reserved
);
1298 msg_Dbg( p_stream
, "read box: \"smhd\" balance %f",
1299 (float)p_box
->data
.p_smhd
->i_balance
/ 256 );
1301 MP4_READBOX_EXIT( 1 );
1305 static int MP4_ReadBox_hmhd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1307 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t
, NULL
);
1309 MP4_GETVERSIONFLAGS( p_box
->data
.p_hmhd
);
1311 MP4_GET2BYTES( p_box
->data
.p_hmhd
->i_max_PDU_size
);
1312 MP4_GET2BYTES( p_box
->data
.p_hmhd
->i_avg_PDU_size
);
1314 MP4_GET4BYTES( p_box
->data
.p_hmhd
->i_max_bitrate
);
1315 MP4_GET4BYTES( p_box
->data
.p_hmhd
->i_avg_bitrate
);
1317 MP4_GET4BYTES( p_box
->data
.p_hmhd
->i_reserved
);
1320 msg_Dbg( p_stream
, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1321 p_box
->data
.p_hmhd
->i_max_PDU_size
,
1322 p_box
->data
.p_hmhd
->i_avg_PDU_size
,
1323 p_box
->data
.p_hmhd
->i_max_bitrate
,
1324 p_box
->data
.p_hmhd
->i_avg_bitrate
);
1326 MP4_READBOX_EXIT( 1 );
1329 static void MP4_FreeBox_url( MP4_Box_t
*p_box
)
1331 FREENULL( p_box
->data
.p_url
->psz_location
);
1334 static int MP4_ReadBox_url( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1336 MP4_READBOX_ENTER( MP4_Box_data_url_t
, MP4_FreeBox_url
);
1338 MP4_GETVERSIONFLAGS( p_box
->data
.p_url
);
1339 MP4_GETSTRINGZ( p_box
->data
.p_url
->psz_location
);
1342 msg_Dbg( p_stream
, "read box: \"url\" url: %s",
1343 p_box
->data
.p_url
->psz_location
);
1346 MP4_READBOX_EXIT( 1 );
1349 static void MP4_FreeBox_urn( MP4_Box_t
*p_box
)
1351 FREENULL( p_box
->data
.p_urn
->psz_name
);
1352 FREENULL( p_box
->data
.p_urn
->psz_location
);
1355 static int MP4_ReadBox_urn( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1357 MP4_READBOX_ENTER( MP4_Box_data_urn_t
, MP4_FreeBox_urn
);
1359 MP4_GETVERSIONFLAGS( p_box
->data
.p_urn
);
1361 MP4_GETSTRINGZ( p_box
->data
.p_urn
->psz_name
);
1362 MP4_GETSTRINGZ( p_box
->data
.p_urn
->psz_location
);
1365 msg_Dbg( p_stream
, "read box: \"urn\" name %s location %s",
1366 p_box
->data
.p_urn
->psz_name
,
1367 p_box
->data
.p_urn
->psz_location
);
1369 MP4_READBOX_EXIT( 1 );
1372 static int MP4_ReadBox_LtdContainer( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1374 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_lcont_t
, 16, NULL
);
1376 MP4_READBOX_EXIT( 0 );
1378 MP4_GETVERSIONFLAGS( p_box
->data
.p_lcont
);
1379 if( p_box
->data
.p_lcont
->i_version
!= 0 )
1380 MP4_READBOX_EXIT( 0 );
1381 MP4_GET4BYTES( p_box
->data
.p_lcont
->i_entry_count
);
1383 uint32_t i_entry
= 0;
1384 i_read
= p_box
->i_size
- 16;
1385 while (i_read
> 8 && i_entry
< p_box
->data
.p_lcont
->i_entry_count
)
1387 MP4_Box_t
*p_childbox
= MP4_ReadBox( p_stream
, p_box
);
1390 MP4_BoxAddChild( p_box
, p_childbox
);
1392 i_read
-= p_childbox
->i_size
;
1395 if (i_entry
!= p_box
->data
.p_lcont
->i_entry_count
)
1396 p_box
->data
.p_lcont
->i_entry_count
= i_entry
;
1399 msg_Dbg( p_stream
, "read box: \"%4.4s\" entry-count %d", (char *)&p_box
->i_type
,
1400 p_box
->data
.p_lcont
->i_entry_count
);
1404 if ( MP4_Seek( p_stream
, p_box
->i_pos
+ p_box
->i_size
) )
1405 MP4_READBOX_EXIT( 0 );
1407 MP4_READBOX_EXIT( 1 );
1410 static void MP4_FreeBox_stts( MP4_Box_t
*p_box
)
1412 FREENULL( p_box
->data
.p_stts
->pi_sample_count
);
1413 FREENULL( p_box
->data
.p_stts
->pi_sample_delta
);
1416 static int MP4_ReadBox_stts( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1418 MP4_READBOX_ENTER( MP4_Box_data_stts_t
, MP4_FreeBox_stts
);
1420 MP4_GETVERSIONFLAGS( p_box
->data
.p_stts
);
1421 MP4_GET4BYTES( p_box
->data
.p_stts
->i_entry_count
);
1423 p_box
->data
.p_stts
->pi_sample_count
=
1424 calloc( p_box
->data
.p_stts
->i_entry_count
, sizeof(uint32_t) );
1425 p_box
->data
.p_stts
->pi_sample_delta
=
1426 calloc( p_box
->data
.p_stts
->i_entry_count
, sizeof(int32_t) );
1427 if( p_box
->data
.p_stts
->pi_sample_count
== NULL
1428 || p_box
->data
.p_stts
->pi_sample_delta
== NULL
)
1430 MP4_READBOX_EXIT( 0 );
1434 for( ; (i
< p_box
->data
.p_stts
->i_entry_count
)&&( i_read
>=8 ); i
++ )
1436 MP4_GET4BYTES( p_box
->data
.p_stts
->pi_sample_count
[i
] );
1437 MP4_GET4BYTES( p_box
->data
.p_stts
->pi_sample_delta
[i
] );
1440 if ( i
< p_box
->data
.p_stts
->i_entry_count
)
1441 p_box
->data
.p_stts
->i_entry_count
= i
;
1444 msg_Dbg( p_stream
, "read box: \"stts\" entry-count %d",
1445 p_box
->data
.p_stts
->i_entry_count
);
1448 MP4_READBOX_EXIT( 1 );
1452 static void MP4_FreeBox_ctts( MP4_Box_t
*p_box
)
1454 FREENULL( p_box
->data
.p_ctts
->pi_sample_count
);
1455 FREENULL( p_box
->data
.p_ctts
->pi_sample_offset
);
1458 static int MP4_ReadBox_ctts( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1460 MP4_READBOX_ENTER( MP4_Box_data_ctts_t
, MP4_FreeBox_ctts
);
1462 MP4_GETVERSIONFLAGS( p_box
->data
.p_ctts
);
1464 MP4_GET4BYTES( p_box
->data
.p_ctts
->i_entry_count
);
1466 p_box
->data
.p_ctts
->pi_sample_count
=
1467 calloc( p_box
->data
.p_ctts
->i_entry_count
, sizeof(uint32_t) );
1468 p_box
->data
.p_ctts
->pi_sample_offset
=
1469 calloc( p_box
->data
.p_ctts
->i_entry_count
, sizeof(int32_t) );
1470 if( ( p_box
->data
.p_ctts
->pi_sample_count
== NULL
)
1471 || ( p_box
->data
.p_ctts
->pi_sample_offset
== NULL
) )
1473 MP4_READBOX_EXIT( 0 );
1477 for( ; (i
< p_box
->data
.p_ctts
->i_entry_count
)&&( i_read
>=8 ); i
++ )
1479 MP4_GET4BYTES( p_box
->data
.p_ctts
->pi_sample_count
[i
] );
1480 MP4_GET4BYTES( p_box
->data
.p_ctts
->pi_sample_offset
[i
] );
1482 if ( i
< p_box
->data
.p_ctts
->i_entry_count
)
1483 p_box
->data
.p_ctts
->i_entry_count
= i
;
1486 msg_Dbg( p_stream
, "read box: \"ctts\" entry-count %d",
1487 p_box
->data
.p_ctts
->i_entry_count
);
1490 MP4_READBOX_EXIT( 1 );
1493 static int MP4_ReadBox_cslg( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1495 MP4_READBOX_ENTER( MP4_Box_data_cslg_t
, NULL
);
1497 unsigned i_version
, i_flags
;
1498 MP4_GET1BYTE( i_version
);
1499 MP4_GET3BYTES( i_flags
);
1500 VLC_UNUSED(i_flags
);
1503 MP4_READBOX_EXIT( 0 );
1505 #define READ_CSLG(readbytes) {\
1506 readbytes( p_box->data.p_cslg->ct_to_dts_shift );\
1507 readbytes( p_box->data.p_cslg->i_least_delta );\
1508 readbytes( p_box->data.p_cslg->i_max_delta );\
1509 readbytes( p_box->data.p_cslg->i_composition_starttime );\
1510 readbytes( p_box->data.p_cslg->i_composition_endtime ); }
1512 if( i_version
== 0 )
1513 READ_CSLG(MP4_GET4BYTES
)
1515 READ_CSLG(MP4_GET8BYTES
)
1517 MP4_READBOX_EXIT( 1 );
1520 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek
, int64_t *i_read
)
1523 unsigned int i_len
= 0;
1530 i_len
= ( i_len
<< 7 ) + ( i_b
&0x7f );
1531 } while( i_b
&0x80 );
1536 static void MP4_FreeBox_esds( MP4_Box_t
*p_box
)
1538 FREENULL( p_box
->data
.p_esds
->es_descriptor
.psz_URL
);
1539 if( p_box
->data
.p_esds
->es_descriptor
.p_decConfigDescr
)
1541 FREENULL( p_box
->data
.p_esds
->es_descriptor
.p_decConfigDescr
->p_decoder_specific_info
);
1542 FREENULL( p_box
->data
.p_esds
->es_descriptor
.p_decConfigDescr
);
1546 static int MP4_ReadBox_esds( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1548 #define es_descriptor p_box->data.p_esds->es_descriptor
1550 unsigned int i_flags
;
1551 unsigned int i_type
;
1553 MP4_READBOX_ENTER( MP4_Box_data_esds_t
, MP4_FreeBox_esds
);
1555 MP4_GETVERSIONFLAGS( p_box
->data
.p_esds
);
1558 MP4_GET1BYTE( i_type
);
1559 if( i_type
== 0x03 ) /* MP4ESDescrTag ISO/IEC 14496-1 8.3.3 */
1561 i_len
= MP4_ReadLengthDescriptor( &p_peek
, &i_read
);
1564 msg_Dbg( p_stream
, "found esds MPEG4ESDescr (%dBytes)",
1568 MP4_GET2BYTES( es_descriptor
.i_ES_ID
);
1569 MP4_GET1BYTE( i_flags
);
1570 es_descriptor
.b_stream_dependence
= ( (i_flags
&0x80) != 0);
1571 es_descriptor
.b_url
= ( (i_flags
&0x40) != 0);
1572 es_descriptor
.b_OCRstream
= ( (i_flags
&0x20) != 0);
1574 es_descriptor
.i_stream_priority
= i_flags
&0x1f;
1575 if( es_descriptor
.b_stream_dependence
)
1577 MP4_GET2BYTES( es_descriptor
.i_depend_on_ES_ID
);
1579 if( es_descriptor
.b_url
&& i_read
> 0 )
1583 MP4_GET1BYTE( i_url
);
1584 if( i_url
> i_read
)
1585 MP4_READBOX_EXIT( 1 );
1586 es_descriptor
.psz_URL
= malloc( (unsigned) i_url
+ 1 );
1587 if( es_descriptor
.psz_URL
)
1589 memcpy( es_descriptor
.psz_URL
, p_peek
, i_url
);
1590 es_descriptor
.psz_URL
[i_url
] = 0;
1597 es_descriptor
.psz_URL
= NULL
;
1599 if( es_descriptor
.b_OCRstream
)
1601 MP4_GET2BYTES( es_descriptor
.i_OCR_ES_ID
);
1603 MP4_GET1BYTE( i_type
); /* get next type */
1606 if( i_type
!= 0x04)/* MP4DecConfigDescrTag ISO/IEC 14496-1 8.3.4 */
1608 es_descriptor
.p_decConfigDescr
= NULL
;
1609 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1612 i_len
= MP4_ReadLengthDescriptor( &p_peek
, &i_read
);
1615 msg_Dbg( p_stream
, "found esds MP4DecConfigDescr (%dBytes)",
1619 es_descriptor
.p_decConfigDescr
=
1620 calloc( 1, sizeof( MP4_descriptor_decoder_config_t
));
1621 if( unlikely( es_descriptor
.p_decConfigDescr
== NULL
) )
1622 MP4_READBOX_EXIT( 0 );
1624 MP4_GET1BYTE( es_descriptor
.p_decConfigDescr
->i_objectProfileIndication
);
1625 MP4_GET1BYTE( i_flags
);
1626 es_descriptor
.p_decConfigDescr
->i_streamType
= i_flags
>> 2;
1627 es_descriptor
.p_decConfigDescr
->b_upStream
= ( i_flags
>> 1 )&0x01;
1628 MP4_GET3BYTES( es_descriptor
.p_decConfigDescr
->i_buffer_sizeDB
);
1629 MP4_GET4BYTES( es_descriptor
.p_decConfigDescr
->i_max_bitrate
);
1630 MP4_GET4BYTES( es_descriptor
.p_decConfigDescr
->i_avg_bitrate
);
1631 MP4_GET1BYTE( i_type
);
1632 if( i_type
!= 0x05 )/* MP4DecSpecificDescrTag ISO/IEC 14496-1 8.3.5 */
1634 es_descriptor
.p_decConfigDescr
->i_decoder_specific_info_len
= 0;
1635 es_descriptor
.p_decConfigDescr
->p_decoder_specific_info
= NULL
;
1636 MP4_READBOX_EXIT( 1 );
1639 i_len
= MP4_ReadLengthDescriptor( &p_peek
, &i_read
);
1642 msg_Dbg( p_stream
, "found esds MP4DecSpecificDescr (%dBytes)",
1645 if( i_len
> i_read
)
1646 MP4_READBOX_EXIT( 0 );
1648 es_descriptor
.p_decConfigDescr
->i_decoder_specific_info_len
= i_len
;
1649 es_descriptor
.p_decConfigDescr
->p_decoder_specific_info
= malloc( i_len
);
1650 if( unlikely( es_descriptor
.p_decConfigDescr
->p_decoder_specific_info
== NULL
) )
1651 MP4_READBOX_EXIT( 0 );
1653 memcpy( es_descriptor
.p_decConfigDescr
->p_decoder_specific_info
,
1656 MP4_READBOX_EXIT( 1 );
1657 #undef es_descriptor
1660 static void MP4_FreeBox_avcC( MP4_Box_t
*p_box
)
1662 MP4_Box_data_avcC_t
*p_avcC
= p_box
->data
.p_avcC
;
1665 if( p_avcC
->i_avcC
> 0 ) FREENULL( p_avcC
->p_avcC
);
1669 for( i
= 0; i
< p_avcC
->i_sps
; i
++ )
1670 FREENULL( p_avcC
->sps
[i
] );
1674 for( i
= 0; i
< p_avcC
->i_pps
; i
++ )
1675 FREENULL( p_avcC
->pps
[i
] );
1677 if( p_avcC
->i_sps
> 0 ) FREENULL( p_avcC
->sps
);
1678 if( p_avcC
->i_sps
> 0 ) FREENULL( p_avcC
->i_sps_length
);
1679 if( p_avcC
->i_pps
> 0 ) FREENULL( p_avcC
->pps
);
1680 if( p_avcC
->i_pps
> 0 ) FREENULL( p_avcC
->i_pps_length
);
1683 static int MP4_ReadBox_avcC( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1685 MP4_Box_data_avcC_t
*p_avcC
;
1688 MP4_READBOX_ENTER( MP4_Box_data_avcC_t
, MP4_FreeBox_avcC
);
1689 p_avcC
= p_box
->data
.p_avcC
;
1691 p_avcC
->i_avcC
= i_read
;
1692 if( p_avcC
->i_avcC
> 0 )
1694 uint8_t * p
= p_avcC
->p_avcC
= malloc( p_avcC
->i_avcC
);
1696 memcpy( p
, p_peek
, i_read
);
1699 MP4_GET1BYTE( p_avcC
->i_version
);
1700 MP4_GET1BYTE( p_avcC
->i_profile
);
1701 MP4_GET1BYTE( p_avcC
->i_profile_compatibility
);
1702 MP4_GET1BYTE( p_avcC
->i_level
);
1703 MP4_GET1BYTE( p_avcC
->i_reserved1
);
1704 p_avcC
->i_length_size
= (p_avcC
->i_reserved1
&0x03) + 1;
1705 p_avcC
->i_reserved1
>>= 2;
1707 MP4_GET1BYTE( p_avcC
->i_reserved2
);
1708 p_avcC
->i_sps
= p_avcC
->i_reserved2
&0x1f;
1709 p_avcC
->i_reserved2
>>= 5;
1711 if( p_avcC
->i_sps
> 0 )
1713 p_avcC
->i_sps_length
= calloc( p_avcC
->i_sps
, sizeof( uint16_t ) );
1714 p_avcC
->sps
= calloc( p_avcC
->i_sps
, sizeof( uint8_t* ) );
1716 if( !p_avcC
->i_sps_length
|| !p_avcC
->sps
)
1719 for( i
= 0; i
< p_avcC
->i_sps
&& i_read
> 2; i
++ )
1721 MP4_GET2BYTES( p_avcC
->i_sps_length
[i
] );
1722 if ( p_avcC
->i_sps_length
[i
] > i_read
)
1724 p_avcC
->sps
[i
] = malloc( p_avcC
->i_sps_length
[i
] );
1725 if( p_avcC
->sps
[i
] )
1726 memcpy( p_avcC
->sps
[i
], p_peek
, p_avcC
->i_sps_length
[i
] );
1728 p_peek
+= p_avcC
->i_sps_length
[i
];
1729 i_read
-= p_avcC
->i_sps_length
[i
];
1731 if ( i
!= p_avcC
->i_sps
)
1735 MP4_GET1BYTE( p_avcC
->i_pps
);
1736 if( p_avcC
->i_pps
> 0 )
1738 p_avcC
->i_pps_length
= calloc( p_avcC
->i_pps
, sizeof( uint16_t ) );
1739 p_avcC
->pps
= calloc( p_avcC
->i_pps
, sizeof( uint8_t* ) );
1741 if( !p_avcC
->i_pps_length
|| !p_avcC
->pps
)
1744 for( i
= 0; i
< p_avcC
->i_pps
&& i_read
> 2; i
++ )
1746 MP4_GET2BYTES( p_avcC
->i_pps_length
[i
] );
1747 if( p_avcC
->i_pps_length
[i
] > i_read
)
1749 p_avcC
->pps
[i
] = malloc( p_avcC
->i_pps_length
[i
] );
1750 if( p_avcC
->pps
[i
] )
1751 memcpy( p_avcC
->pps
[i
], p_peek
, p_avcC
->i_pps_length
[i
] );
1753 p_peek
+= p_avcC
->i_pps_length
[i
];
1754 i_read
-= p_avcC
->i_pps_length
[i
];
1756 if ( i
!= p_avcC
->i_pps
)
1761 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1762 p_avcC
->i_version
, p_avcC
->i_profile
, p_avcC
->i_level
,
1763 p_avcC
->i_length_size
,
1764 p_avcC
->i_sps
, p_avcC
->i_pps
);
1765 for( i
= 0; i
< p_avcC
->i_sps
; i
++ )
1767 msg_Dbg( p_stream
, " - sps[%d] length=%d",
1768 i
, p_avcC
->i_sps_length
[i
] );
1770 for( i
= 0; i
< p_avcC
->i_pps
; i
++ )
1772 msg_Dbg( p_stream
, " - pps[%d] length=%d",
1773 i
, p_avcC
->i_pps_length
[i
] );
1777 MP4_READBOX_EXIT( 1 );
1780 MP4_FreeBox_avcC( p_box
);
1781 MP4_READBOX_EXIT( 0 );
1784 static void MP4_FreeBox_vpcC( MP4_Box_t
*p_box
)
1786 free( p_box
->data
.p_vpcC
->p_codec_init_data
);
1789 static int MP4_ReadBox_vpcC( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1791 MP4_READBOX_ENTER( MP4_Box_data_vpcC_t
, MP4_FreeBox_vpcC
);
1792 MP4_Box_data_vpcC_t
*p_vpcC
= p_box
->data
.p_vpcC
;
1794 if( p_box
->i_size
< 6 )
1795 MP4_READBOX_EXIT( 0 );
1798 MP4_GET1BYTE( i_version
);
1799 if( i_version
!= 0 )
1800 MP4_READBOX_EXIT( 0 );
1802 MP4_GET1BYTE( p_vpcC
->i_profile
);
1803 MP4_GET1BYTE( p_vpcC
->i_level
);
1804 MP4_GET1BYTE( p_vpcC
->i_bit_depth
);
1805 p_vpcC
->i_color_space
= p_vpcC
->i_bit_depth
& 0x0F;
1806 p_vpcC
->i_bit_depth
>>= 4;
1807 MP4_GET1BYTE( p_vpcC
->i_chroma_subsampling
);
1808 p_vpcC
->i_xfer_function
= ( p_vpcC
->i_chroma_subsampling
& 0x0F ) >> 1;
1809 p_vpcC
->i_fullrange
= p_vpcC
->i_chroma_subsampling
& 0x01;
1810 p_vpcC
->i_chroma_subsampling
>>= 4;
1811 MP4_GET2BYTES( p_vpcC
->i_codec_init_datasize
);
1812 if( p_vpcC
->i_codec_init_datasize
> i_read
)
1813 p_vpcC
->i_codec_init_datasize
= i_read
;
1815 if( p_vpcC
->i_codec_init_datasize
)
1817 p_vpcC
->p_codec_init_data
= malloc( i_read
);
1818 if( !p_vpcC
->p_codec_init_data
)
1819 MP4_READBOX_EXIT( 0 );
1820 memcpy( p_vpcC
->p_codec_init_data
, p_peek
, i_read
);
1823 MP4_READBOX_EXIT( 1 );
1826 static void MP4_FreeBox_WMA2( MP4_Box_t
*p_box
)
1828 FREENULL( p_box
->data
.p_WMA2
->p_extra
);
1831 static int MP4_ReadBox_WMA2( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1833 MP4_READBOX_ENTER( MP4_Box_data_WMA2_t
, MP4_FreeBox_WMA2
);
1835 MP4_Box_data_WMA2_t
*p_WMA2
= p_box
->data
.p_WMA2
;
1837 MP4_GET2BYTESLE( p_WMA2
->Format
.wFormatTag
);
1838 MP4_GET2BYTESLE( p_WMA2
->Format
.nChannels
);
1839 MP4_GET4BYTESLE( p_WMA2
->Format
.nSamplesPerSec
);
1840 MP4_GET4BYTESLE( p_WMA2
->Format
.nAvgBytesPerSec
);
1841 MP4_GET2BYTESLE( p_WMA2
->Format
.nBlockAlign
);
1842 MP4_GET2BYTESLE( p_WMA2
->Format
.wBitsPerSample
);
1845 MP4_GET2BYTESLE( i_cbSize
);
1847 if ( i_read
< 0 || i_cbSize
> i_read
)
1850 p_WMA2
->i_extra
= i_cbSize
;
1851 if ( p_WMA2
->i_extra
)
1853 p_WMA2
->p_extra
= malloc( p_WMA2
->i_extra
);
1854 if ( ! p_WMA2
->p_extra
)
1856 memcpy( p_WMA2
->p_extra
, p_peek
, p_WMA2
->i_extra
);
1859 MP4_READBOX_EXIT( 1 );
1862 MP4_READBOX_EXIT( 0 );
1865 static void MP4_FreeBox_strf( MP4_Box_t
*p_box
)
1867 FREENULL( p_box
->data
.p_strf
->p_extra
);
1870 static int MP4_ReadBox_strf( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1872 MP4_READBOX_ENTER( MP4_Box_data_strf_t
, MP4_FreeBox_strf
);
1874 MP4_Box_data_strf_t
*p_strf
= p_box
->data
.p_strf
;
1876 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biSize
);
1877 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biWidth
);
1878 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biHeight
);
1879 MP4_GET2BYTESLE( p_strf
->bmiHeader
.biPlanes
);
1880 MP4_GET2BYTESLE( p_strf
->bmiHeader
.biBitCount
);
1881 MP4_GETFOURCC( p_strf
->bmiHeader
.biCompression
);
1882 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biSizeImage
);
1883 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biXPelsPerMeter
);
1884 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biYPelsPerMeter
);
1885 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biClrUsed
);
1886 MP4_GET4BYTESLE( p_strf
->bmiHeader
.biClrImportant
);
1891 p_strf
->i_extra
= i_read
;
1892 if ( p_strf
->i_extra
)
1894 p_strf
->p_extra
= malloc( p_strf
->i_extra
);
1895 if ( ! p_strf
->p_extra
)
1897 memcpy( p_strf
->p_extra
, p_peek
, i_read
);
1900 MP4_READBOX_EXIT( 1 );
1903 MP4_READBOX_EXIT( 0 );
1906 static int MP4_ReadBox_ASF( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1908 MP4_READBOX_ENTER( MP4_Box_data_ASF_t
, NULL
);
1910 MP4_Box_data_ASF_t
*p_asf
= p_box
->data
.p_asf
;
1913 MP4_READBOX_EXIT( 0 );
1915 MP4_GET1BYTE( p_asf
->i_stream_number
);
1916 /* remaining is unknown */
1918 MP4_READBOX_EXIT( 1 );
1921 static void MP4_FreeBox_sbgp( MP4_Box_t
*p_box
)
1923 MP4_Box_data_sbgp_t
*p_sbgp
= p_box
->data
.p_sbgp
;
1924 free( p_sbgp
->entries
.pi_sample_count
);
1925 free( p_sbgp
->entries
.pi_group_description_index
);
1928 static int MP4_ReadBox_sbgp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1930 MP4_READBOX_ENTER( MP4_Box_data_sbgp_t
, MP4_FreeBox_sbgp
);
1931 MP4_Box_data_sbgp_t
*p_sbgp
= p_box
->data
.p_sbgp
;
1935 MP4_READBOX_EXIT( 0 );
1937 MP4_GET1BYTE( p_sbgp
->i_version
);
1938 MP4_GET3BYTES( i_flags
);
1940 MP4_READBOX_EXIT( 0 );
1942 MP4_GETFOURCC( p_sbgp
->i_grouping_type
);
1944 if( p_sbgp
->i_version
== 1 )
1947 MP4_READBOX_EXIT( 0 );
1948 MP4_GET4BYTES( p_sbgp
->i_grouping_type_parameter
);
1951 MP4_GET4BYTES( p_sbgp
->i_entry_count
);
1952 if( p_sbgp
->i_entry_count
> i_read
/ (4 + 4) )
1953 p_sbgp
->i_entry_count
= i_read
/ (4 + 4);
1955 p_sbgp
->entries
.pi_sample_count
= malloc( p_sbgp
->i_entry_count
* sizeof(uint32_t) );
1956 p_sbgp
->entries
.pi_group_description_index
= malloc( p_sbgp
->i_entry_count
* sizeof(uint32_t) );
1958 if( !p_sbgp
->entries
.pi_sample_count
|| !p_sbgp
->entries
.pi_group_description_index
)
1960 MP4_FreeBox_sbgp( p_box
);
1961 MP4_READBOX_EXIT( 0 );
1964 for( uint32_t i
=0; i
<p_sbgp
->i_entry_count
; i
++ )
1966 MP4_GET4BYTES( p_sbgp
->entries
.pi_sample_count
[i
] );
1967 MP4_GET4BYTES( p_sbgp
->entries
.pi_group_description_index
[i
] );
1972 "read box: \"sbgp\" grouping type %4.4s", (char*) &p_sbgp
->i_grouping_type
);
1973 #ifdef MP4_ULTRA_VERBOSE
1974 for (uint32_t i
= 0; i
< p_sbgp
->i_entry_count
; i
++)
1975 msg_Dbg( p_stream
, "\t samples %" PRIu32
" group %" PRIu32
,
1976 p_sbgp
->entries
.pi_sample_count
[i
],
1977 p_sbgp
->entries
.pi_group_description_index
[i
] );
1981 MP4_READBOX_EXIT( 1 );
1984 static void MP4_FreeBox_sgpd( MP4_Box_t
*p_box
)
1986 MP4_Box_data_sgpd_t
*p_sgpd
= p_box
->data
.p_sgpd
;
1987 free( p_sgpd
->p_entries
);
1990 static int MP4_ReadBox_sgpd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
1992 MP4_READBOX_ENTER( MP4_Box_data_sgpd_t
, MP4_FreeBox_sgpd
);
1993 MP4_Box_data_sgpd_t
*p_sgpd
= p_box
->data
.p_sgpd
;
1995 uint32_t i_default_length
= 0;
1998 MP4_READBOX_EXIT( 0 );
2000 MP4_GET1BYTE( p_sgpd
->i_version
);
2001 MP4_GET3BYTES( i_flags
);
2003 MP4_READBOX_EXIT( 0 );
2005 MP4_GETFOURCC( p_sgpd
->i_grouping_type
);
2007 switch( p_sgpd
->i_grouping_type
)
2009 case SAMPLEGROUP_rap
:
2015 "read box: \"sgpd\" grouping type %4.4s (unimplemented)", (char*) &p_sgpd
->i_grouping_type
);
2017 MP4_READBOX_EXIT( 1 );
2020 if( p_sgpd
->i_version
== 1 )
2023 MP4_READBOX_EXIT( 0 );
2024 MP4_GET4BYTES( i_default_length
);
2026 else if( p_sgpd
->i_version
>= 2 )
2029 MP4_READBOX_EXIT( 0 );
2030 MP4_GET4BYTES( p_sgpd
->i_default_sample_description_index
);
2033 MP4_GET4BYTES( p_sgpd
->i_entry_count
);
2035 p_sgpd
->p_entries
= malloc( p_sgpd
->i_entry_count
* sizeof(*p_sgpd
->p_entries
) );
2036 if( !p_sgpd
->p_entries
)
2037 MP4_READBOX_EXIT( 0 );
2040 for( ; i
<p_sgpd
->i_entry_count
; i
++ )
2042 uint32_t i_description_length
= i_default_length
;
2043 if( p_sgpd
->i_version
== 1 && i_default_length
== 0 )
2047 MP4_GET4BYTES( i_description_length
);
2050 if( p_sgpd
->i_version
== 1 && i_read
< i_description_length
)
2053 switch( p_sgpd
->i_grouping_type
)
2055 case SAMPLEGROUP_rap
:
2059 p_sgpd
->i_entry_count
= 0;
2060 MP4_FreeBox_sgpd( p_box
);
2061 MP4_READBOX_EXIT( 0 );
2064 MP4_GET1BYTE( i_data
);
2065 p_sgpd
->p_entries
[i
].rap
.i_num_leading_samples_known
= i_data
& 0x80;
2066 p_sgpd
->p_entries
[i
].rap
.i_num_leading_samples
= i_data
& 0x7F;
2075 if( i
!= p_sgpd
->i_entry_count
)
2076 p_sgpd
->i_entry_count
= i
;
2080 "read box: \"sgpd\" grouping type %4.4s", (char*) &p_sgpd
->i_grouping_type
);
2083 MP4_READBOX_EXIT( 1 );
2086 static void MP4_FreeBox_stsdext_chan( MP4_Box_t
*p_box
)
2088 MP4_Box_data_chan_t
*p_chan
= p_box
->data
.p_chan
;
2089 free( p_chan
->layout
.p_descriptions
);
2092 static int MP4_ReadBox_stsdext_chan( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2094 MP4_READBOX_ENTER( MP4_Box_data_chan_t
, MP4_FreeBox_stsdext_chan
);
2095 MP4_Box_data_chan_t
*p_chan
= p_box
->data
.p_chan
;
2098 MP4_READBOX_EXIT( 0 );
2100 MP4_GET1BYTE( p_chan
->i_version
);
2101 MP4_GET3BYTES( p_chan
->i_channels_flags
);
2102 MP4_GET4BYTES( p_chan
->layout
.i_channels_layout_tag
);
2103 MP4_GET4BYTES( p_chan
->layout
.i_channels_bitmap
);
2104 MP4_GET4BYTES( p_chan
->layout
.i_channels_description_count
);
2106 size_t i_descsize
= 8 + 3 * sizeof(float);
2107 if ( (size_t)i_read
< p_chan
->layout
.i_channels_description_count
* i_descsize
)
2108 MP4_READBOX_EXIT( 0 );
2110 p_chan
->layout
.p_descriptions
=
2111 malloc( p_chan
->layout
.i_channels_description_count
* i_descsize
);
2113 if ( !p_chan
->layout
.p_descriptions
)
2114 MP4_READBOX_EXIT( 0 );
2117 for( i
=0; i
<p_chan
->layout
.i_channels_description_count
; i
++ )
2121 MP4_GET4BYTES( p_chan
->layout
.p_descriptions
[i
].i_channel_label
);
2122 MP4_GET4BYTES( p_chan
->layout
.p_descriptions
[i
].i_channel_flags
);
2123 MP4_GET4BYTES( p_chan
->layout
.p_descriptions
[i
].f_coordinates
[0] );
2124 MP4_GET4BYTES( p_chan
->layout
.p_descriptions
[i
].f_coordinates
[1] );
2125 MP4_GET4BYTES( p_chan
->layout
.p_descriptions
[i
].f_coordinates
[2] );
2127 if ( i
<p_chan
->layout
.i_channels_description_count
)
2128 p_chan
->layout
.i_channels_description_count
= i
;
2132 "read box: \"chan\" flags=0x%x tag=0x%x bitmap=0x%x descriptions=%u",
2133 p_chan
->i_channels_flags
, p_chan
->layout
.i_channels_layout_tag
,
2134 p_chan
->layout
.i_channels_bitmap
, p_chan
->layout
.i_channels_description_count
);
2136 MP4_READBOX_EXIT( 1 );
2139 static int MP4_ReadBox_dec3( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2141 MP4_READBOX_ENTER( MP4_Box_data_dec3_t
, NULL
);
2143 MP4_Box_data_dec3_t
*p_dec3
= p_box
->data
.p_dec3
;
2146 MP4_GET2BYTES( i_header
);
2148 p_dec3
->i_data_rate
= i_header
>> 3;
2149 p_dec3
->i_num_ind_sub
= (i_header
& 0x7) + 1;
2150 for (uint8_t i
= 0; i
< p_dec3
->i_num_ind_sub
; i
++) {
2151 MP4_GET3BYTES( i_header
);
2152 p_dec3
->stream
[i
].i_fscod
= ( i_header
>> 22 ) & 0x03;
2153 p_dec3
->stream
[i
].i_bsid
= ( i_header
>> 17 ) & 0x01f;
2154 p_dec3
->stream
[i
].i_bsmod
= ( i_header
>> 12 ) & 0x01f;
2155 p_dec3
->stream
[i
].i_acmod
= ( i_header
>> 9 ) & 0x07;
2156 p_dec3
->stream
[i
].i_lfeon
= ( i_header
>> 8 ) & 0x01;
2157 p_dec3
->stream
[i
].i_num_dep_sub
= (i_header
>> 1) & 0x0f;
2158 if (p_dec3
->stream
[i
].i_num_dep_sub
) {
2159 MP4_GET1BYTE( p_dec3
->stream
[i
].i_chan_loc
);
2160 p_dec3
->stream
[i
].i_chan_loc
|= (i_header
& 1) << 8;
2162 p_dec3
->stream
[i
].i_chan_loc
= 0;
2167 "read box: \"dec3\" bitrate %dkbps %d independent substreams",
2168 p_dec3
->i_data_rate
, p_dec3
->i_num_ind_sub
);
2170 for (uint8_t i
= 0; i
< p_dec3
->i_num_ind_sub
; i
++)
2172 "\tstream %d: bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x "
2173 "num dependent subs=%d chan_loc=0x%x",
2174 i
, p_dec3
->stream
[i
].i_bsid
, p_dec3
->stream
[i
].i_bsmod
, p_dec3
->stream
[i
].i_acmod
,
2175 p_dec3
->stream
[i
].i_lfeon
, p_dec3
->stream
[i
].i_num_dep_sub
, p_dec3
->stream
[i
].i_chan_loc
);
2177 MP4_READBOX_EXIT( 1 );
2180 static int MP4_ReadBox_dac3( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2182 MP4_Box_data_dac3_t
*p_dac3
;
2183 MP4_READBOX_ENTER( MP4_Box_data_dac3_t
, NULL
);
2185 p_dac3
= p_box
->data
.p_dac3
;
2188 MP4_GET3BYTES( i_header
);
2190 p_dac3
->i_fscod
= ( i_header
>> 22 ) & 0x03;
2191 p_dac3
->i_bsid
= ( i_header
>> 17 ) & 0x01f;
2192 p_dac3
->i_bsmod
= ( i_header
>> 14 ) & 0x07;
2193 p_dac3
->i_acmod
= ( i_header
>> 11 ) & 0x07;
2194 p_dac3
->i_lfeon
= ( i_header
>> 10 ) & 0x01;
2195 p_dac3
->i_bitrate_code
= ( i_header
>> 5) & 0x1f;
2199 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
2200 p_dac3
->i_fscod
, p_dac3
->i_bsid
, p_dac3
->i_bsmod
, p_dac3
->i_acmod
, p_dac3
->i_lfeon
, p_dac3
->i_bitrate_code
);
2202 MP4_READBOX_EXIT( 1 );
2205 static int MP4_ReadBox_dvc1( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2207 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t
, NULL
);
2209 MP4_READBOX_EXIT( 0 );
2211 MP4_Box_data_dvc1_t
*p_dvc1
= p_box
->data
.p_dvc1
;
2212 MP4_GET1BYTE( p_dvc1
->i_profile_level
);
2213 p_dvc1
->i_vc1
= i_read
; /* Header + profile_level */
2214 if( p_dvc1
->i_vc1
> 0 && (p_dvc1
->p_vc1
= malloc( p_dvc1
->i_vc1
)) )
2215 memcpy( p_dvc1
->p_vc1
, p_peek
, i_read
);
2219 "read box: \"dvc1\" profile=%"PRIu8
, (p_dvc1
->i_profile_level
& 0xf0) >> 4 );
2222 MP4_READBOX_EXIT( 1 );
2225 static int MP4_ReadBox_fiel( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2227 MP4_Box_data_fiel_t
*p_fiel
;
2228 MP4_READBOX_ENTER( MP4_Box_data_fiel_t
, NULL
);
2229 p_fiel
= p_box
->data
.p_fiel
;
2231 MP4_READBOX_EXIT( 0 );
2234 p_fiel
->i_flags
= BLOCK_FLAG_SINGLE_FIELD
;
2236 else if(p_peek
[0] == 2) /* Interlaced */
2239 * 0 – There is only one field.
2240 * 1 – T is displayed earliest, T is stored first in the file.
2241 * 6 – B is displayed earliest, B is stored first in the file.
2242 * 9 – B is displayed earliest, T is stored first in the file.
2243 * 14 – T is displayed earliest, B is stored first in the file.
2245 if(p_peek
[1] == 1 || p_peek
[1] == 9)
2246 p_fiel
->i_flags
= BLOCK_FLAG_TOP_FIELD_FIRST
;
2247 else if(p_peek
[1] == 6 || p_peek
[1] == 14)
2248 p_fiel
->i_flags
= BLOCK_FLAG_BOTTOM_FIELD_FIRST
;
2250 MP4_READBOX_EXIT( 1 );
2253 static int MP4_ReadBox_enda( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2255 MP4_Box_data_enda_t
*p_enda
;
2256 MP4_READBOX_ENTER( MP4_Box_data_enda_t
, NULL
);
2258 p_enda
= p_box
->data
.p_enda
;
2260 MP4_GET2BYTES( p_enda
->i_little_endian
);
2264 "read box: \"enda\" little_endian=%d", p_enda
->i_little_endian
);
2266 MP4_READBOX_EXIT( 1 );
2269 static void MP4_FreeBox_sample_soun( MP4_Box_t
*p_box
)
2271 FREENULL( p_box
->data
.p_sample_soun
->p_qt_description
);
2274 static int MP4_ReadBox_sample_soun( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2276 p_box
->i_handler
= ATOM_soun
;
2277 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t
, MP4_FreeBox_sample_soun
);
2278 p_box
->data
.p_sample_soun
->p_qt_description
= NULL
;
2280 /* Sanity check needed because the "wave" box does also contain an
2281 * "mp4a" box that we don't understand. */
2285 MP4_READBOX_EXIT( 1 );
2288 for( unsigned i
= 0; i
< 6 ; i
++ )
2290 MP4_GET1BYTE( p_box
->data
.p_sample_soun
->i_reserved1
[i
] );
2293 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_data_reference_index
);
2296 * XXX hack -> produce a copy of the nearly complete chunk
2298 p_box
->data
.p_sample_soun
->i_qt_description
= 0;
2299 p_box
->data
.p_sample_soun
->p_qt_description
= NULL
;
2302 p_box
->data
.p_sample_soun
->p_qt_description
= malloc( i_read
);
2303 if( p_box
->data
.p_sample_soun
->p_qt_description
)
2305 p_box
->data
.p_sample_soun
->i_qt_description
= i_read
;
2306 memcpy( p_box
->data
.p_sample_soun
->p_qt_description
, p_peek
, i_read
);
2310 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_qt_version
);
2311 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_qt_revision_level
);
2312 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_qt_vendor
);
2314 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_channelcount
);
2315 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_samplesize
);
2316 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_compressionid
);
2317 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_reserved3
);
2318 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_sampleratehi
);
2319 MP4_GET2BYTES( p_box
->data
.p_sample_soun
->i_sampleratelo
);
2323 "read box: \"soun\" stsd qt_version %"PRIu16
" compid=%"PRIx16
,
2324 p_box
->data
.p_sample_soun
->i_qt_version
,
2325 p_box
->data
.p_sample_soun
->i_compressionid
);
2328 if( p_box
->data
.p_sample_soun
->i_qt_version
== 1 && i_read
>= 16 )
2330 /* SoundDescriptionV1 */
2331 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_sample_per_packet
);
2332 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_bytes_per_packet
);
2333 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_bytes_per_frame
);
2334 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_bytes_per_sample
);
2338 "read box: \"soun\" V1 sample/packet=%d bytes/packet=%d "
2339 "bytes/frame=%d bytes/sample=%d",
2340 p_box
->data
.p_sample_soun
->i_sample_per_packet
,
2341 p_box
->data
.p_sample_soun
->i_bytes_per_packet
,
2342 p_box
->data
.p_sample_soun
->i_bytes_per_frame
,
2343 p_box
->data
.p_sample_soun
->i_bytes_per_sample
);
2347 else if( p_box
->data
.p_sample_soun
->i_qt_version
== 2 && i_read
>= 36 )
2349 /* SoundDescriptionV2 */
2350 double f_sample_rate
;
2352 uint32_t i_channel
, i_extoffset
, i_dummy32
;
2355 if ( p_box
->data
.p_sample_soun
->i_channelcount
!= 0x3 ||
2356 p_box
->data
.p_sample_soun
->i_samplesize
!= 0x0010 ||
2357 p_box
->data
.p_sample_soun
->i_compressionid
!= 0xFFFE ||
2358 p_box
->data
.p_sample_soun
->i_reserved3
!= 0x0 ||
2359 p_box
->data
.p_sample_soun
->i_sampleratehi
!= 0x1 ||//65536
2360 p_box
->data
.p_sample_soun
->i_sampleratelo
!= 0x0 ) //remainder
2362 msg_Err( p_stream
, "invalid stsd V2 box defaults" );
2363 MP4_READBOX_EXIT( 0 );
2367 MP4_GET4BYTES( i_extoffset
); /* offset to stsd extentions */
2368 MP4_GET8BYTES( i_dummy64
);
2369 memcpy( &f_sample_rate
, &i_dummy64
, 8 );
2370 msg_Dbg( p_stream
, "read box: %f Hz", f_sample_rate
);
2371 /* Rounding error with lo, but we don't care since we do not support fractional audio rate */
2372 p_box
->data
.p_sample_soun
->i_sampleratehi
= (uint32_t)f_sample_rate
;
2373 p_box
->data
.p_sample_soun
->i_sampleratelo
= (f_sample_rate
- p_box
->data
.p_sample_soun
->i_sampleratehi
);
2375 MP4_GET4BYTES( i_channel
);
2376 p_box
->data
.p_sample_soun
->i_channelcount
= i_channel
;
2378 MP4_GET4BYTES( i_dummy32
);
2379 if ( i_dummy32
!= 0x7F000000 )
2381 msg_Err( p_stream
, "invalid stsd V2 box" );
2382 MP4_READBOX_EXIT( 0 );
2385 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_constbitsperchannel
);
2386 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_formatflags
);
2387 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_constbytesperaudiopacket
);
2388 MP4_GET4BYTES( p_box
->data
.p_sample_soun
->i_constLPCMframesperaudiopacket
);
2391 msg_Dbg( p_stream
, "read box: \"soun\" V2 rate=%f bitsperchannel=%u "
2392 "flags=%u bytesperpacket=%u lpcmframesperpacket=%u",
2394 p_box
->data
.p_sample_soun
->i_constbitsperchannel
,
2395 p_box
->data
.p_sample_soun
->i_formatflags
,
2396 p_box
->data
.p_sample_soun
->i_constbytesperaudiopacket
,
2397 p_box
->data
.p_sample_soun
->i_constLPCMframesperaudiopacket
);
2400 if( i_extoffset
> i_actually_read
)
2401 i_extoffset
= i_actually_read
;
2402 p_peek
= &p_buff
[i_extoffset
];
2403 i_read
= i_actually_read
- i_extoffset
;
2407 p_box
->data
.p_sample_soun
->i_sample_per_packet
= 0;
2408 p_box
->data
.p_sample_soun
->i_bytes_per_packet
= 0;
2409 p_box
->data
.p_sample_soun
->i_bytes_per_frame
= 0;
2410 p_box
->data
.p_sample_soun
->i_bytes_per_sample
= 0;
2413 msg_Dbg( p_stream
, "read box: \"soun\" V0 or qt1/2 (rest=%"PRId64
")",
2419 if( p_box
->i_type
== ATOM_drms
)
2421 msg_Warn( p_stream
, "DRM protected streams are not supported." );
2422 MP4_READBOX_EXIT( 0 );
2425 if( p_box
->i_type
== ATOM_samr
|| p_box
->i_type
== ATOM_sawb
)
2427 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
2428 p_box
->data
.p_sample_soun
->i_channelcount
= 1;
2431 /* Loads extensions */
2432 MP4_ReadBoxContainerRawInBox( p_stream
, p_box
, p_peek
, i_read
,
2433 p_box
->i_pos
+ p_peek
- p_buff
); /* esds/wave/... */
2436 msg_Dbg( p_stream
, "read box: \"soun\" in stsd channel %d "
2437 "sample size %d sample rate %f",
2438 p_box
->data
.p_sample_soun
->i_channelcount
,
2439 p_box
->data
.p_sample_soun
->i_samplesize
,
2440 (float)p_box
->data
.p_sample_soun
->i_sampleratehi
+
2441 (float)p_box
->data
.p_sample_soun
->i_sampleratelo
/ BLOCK16x16
);
2444 MP4_READBOX_EXIT( 1 );
2447 static void MP4_FreeBox_sample_vide( MP4_Box_t
*p_box
)
2449 FREENULL( p_box
->data
.p_sample_vide
->p_qt_image_description
);
2452 int MP4_ReadBox_sample_vide( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2454 p_box
->i_handler
= ATOM_vide
;
2455 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t
, MP4_FreeBox_sample_vide
);
2457 for( unsigned i
= 0; i
< 6 ; i
++ )
2459 MP4_GET1BYTE( p_box
->data
.p_sample_vide
->i_reserved1
[i
] );
2462 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_data_reference_index
);
2465 * XXX hack -> produce a copy of the nearly complete chunk
2469 p_box
->data
.p_sample_vide
->p_qt_image_description
= malloc( i_read
);
2470 if( unlikely( p_box
->data
.p_sample_vide
->p_qt_image_description
== NULL
) )
2471 MP4_READBOX_EXIT( 0 );
2472 p_box
->data
.p_sample_vide
->i_qt_image_description
= i_read
;
2473 memcpy( p_box
->data
.p_sample_vide
->p_qt_image_description
,
2478 p_box
->data
.p_sample_vide
->i_qt_image_description
= 0;
2479 p_box
->data
.p_sample_vide
->p_qt_image_description
= NULL
;
2482 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_qt_version
);
2483 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_qt_revision_level
);
2484 MP4_GET4BYTES( p_box
->data
.p_sample_vide
->i_qt_vendor
);
2486 MP4_GET4BYTES( p_box
->data
.p_sample_vide
->i_qt_temporal_quality
);
2487 MP4_GET4BYTES( p_box
->data
.p_sample_vide
->i_qt_spatial_quality
);
2489 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_width
);
2490 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_height
);
2492 MP4_GET4BYTES( p_box
->data
.p_sample_vide
->i_horizresolution
);
2493 MP4_GET4BYTES( p_box
->data
.p_sample_vide
->i_vertresolution
);
2495 MP4_GET4BYTES( p_box
->data
.p_sample_vide
->i_qt_data_size
);
2496 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_qt_frame_count
);
2499 MP4_READBOX_EXIT( 0 );
2500 if( p_peek
[0] <= 31 ) // Must be Pascal String
2502 memcpy( &p_box
->data
.p_sample_vide
->sz_compressorname
, &p_peek
[1], p_peek
[0] );
2503 p_box
->data
.p_sample_vide
->sz_compressorname
[p_peek
[0]] = 0;
2505 p_peek
+= 32; i_read
-= 32;
2507 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_depth
);
2508 MP4_GET2BYTES( p_box
->data
.p_sample_vide
->i_qt_color_table
);
2510 if( p_box
->i_type
== ATOM_drmi
)
2512 msg_Warn( p_stream
, "DRM protected streams are not supported." );
2513 MP4_READBOX_EXIT( 0 );
2516 if( i_actually_read
> 78 && p_peek
- p_buff
> 78 )
2518 MP4_ReadBoxContainerRawInBox( p_stream
, p_box
, p_peek
, i_read
,
2519 p_box
->i_pos
+ p_peek
- p_buff
);
2523 msg_Dbg( p_stream
, "read box: \"vide\" in stsd %dx%d depth %d (%s)",
2524 p_box
->data
.p_sample_vide
->i_width
,
2525 p_box
->data
.p_sample_vide
->i_height
,
2526 p_box
->data
.p_sample_vide
->i_depth
,
2527 p_box
->data
.p_sample_vide
->sz_compressorname
);
2530 MP4_READBOX_EXIT( 1 );
2533 static int MP4_ReadBox_sample_mp4s( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2535 p_box
->i_handler
= ATOM_text
;
2536 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_sample_text_t
, 16, NULL
);
2538 MP4_READBOX_EXIT( 0 );
2540 MP4_ReadBoxContainerChildren( p_stream
, p_box
, NULL
);
2542 if ( MP4_Seek( p_stream
, p_box
->i_pos
+ p_box
->i_size
) )
2543 MP4_READBOX_EXIT( 0 );
2545 MP4_READBOX_EXIT( 1 );
2548 static void MP4_FreeBox_sample_hint( MP4_Box_t
*p_box
)
2550 FREENULL( p_box
->data
.p_sample_hint
->p_data
);
2553 static int MP4_ReadBox_sample_hint8( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2555 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_sample_hint_t
, 24, MP4_FreeBox_sample_hint
);
2557 for( unsigned i
= 0; i
< 6 ; i
++ )
2559 MP4_GET1BYTE( p_box
->data
.p_sample_hint
->i_reserved1
[i
] );
2562 MP4_GET2BYTES( p_box
->data
.p_sample_hint
->i_data_reference_index
);
2564 if( !(p_box
->data
.p_sample_hint
->p_data
= malloc(8)) )
2565 MP4_READBOX_EXIT( 0 );
2567 MP4_GET8BYTES( *(p_box
->data
.p_sample_hint
->p_data
) );
2569 MP4_ReadBoxContainerChildren(p_stream
, p_box
, NULL
);
2571 if ( MP4_Seek( p_stream
, p_box
->i_pos
+ p_box
->i_size
) )
2572 MP4_READBOX_EXIT( 0 );
2574 MP4_READBOX_EXIT( 1 );
2577 static int MP4_ReadBox_sample_text( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2581 p_box
->i_handler
= ATOM_text
;
2582 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t
, NULL
);
2584 MP4_GET4BYTES( p_box
->data
.p_sample_text
->i_reserved1
);
2585 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_reserved2
);
2587 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_data_reference_index
);
2589 MP4_GET4BYTES( p_box
->data
.p_sample_text
->i_display_flags
);
2594 /* FIXME search right signification */
2596 p_box
->data
.p_sample_text
->i_justification_horizontal
= 1;
2597 p_box
->data
.p_sample_text
->i_justification_vertical
= 1;
2599 case -1: // Flush Right
2600 p_box
->data
.p_sample_text
->i_justification_horizontal
= -1;
2601 p_box
->data
.p_sample_text
->i_justification_vertical
= -1;
2603 case -2: // Flush Left
2604 p_box
->data
.p_sample_text
->i_justification_horizontal
= 0;
2605 p_box
->data
.p_sample_text
->i_justification_vertical
= 0;
2607 case 0: // Flush Default
2609 p_box
->data
.p_sample_text
->i_justification_horizontal
= 1;
2610 p_box
->data
.p_sample_text
->i_justification_vertical
= -1;
2614 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_background_color
[0] );
2615 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_background_color
[1] );
2616 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_background_color
[2] );
2617 p_box
->data
.p_sample_text
->i_background_color
[3] = 0xFF;
2619 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_top
);
2620 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_left
);
2621 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_bottom
);
2622 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_right
);
2625 msg_Dbg( p_stream
, "read box: \"text\" in stsd text" );
2627 MP4_READBOX_EXIT( 1 );
2630 static int MP4_ReadBox_sample_clcp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2632 p_box
->i_handler
= ATOM_clcp
;
2633 MP4_READBOX_ENTER( MP4_Box_data_sample_clcp_t
, NULL
);
2636 MP4_READBOX_EXIT( 0 );
2638 for( int i
=0; i
<6; i
++ )
2639 MP4_GET1BYTE( p_box
->data
.p_sample_clcp
->i_reserved1
[i
] );
2640 MP4_GET2BYTES( p_box
->data
.p_sample_clcp
->i_data_reference_index
);
2643 msg_Dbg( p_stream
, "read box: \"clcp\" in stsd" );
2645 MP4_READBOX_EXIT( 1 );
2648 static int MP4_ReadBox_sample_tx3g( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2650 p_box
->i_handler
= ATOM_text
;
2651 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t
, NULL
);
2653 MP4_GET4BYTES( p_box
->data
.p_sample_text
->i_reserved1
);
2654 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_reserved2
);
2656 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_data_reference_index
);
2658 MP4_GET4BYTES( p_box
->data
.p_sample_text
->i_display_flags
);
2660 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_justification_horizontal
);
2661 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_justification_vertical
);
2663 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_background_color
[0] );
2664 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_background_color
[1] );
2665 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_background_color
[2] );
2666 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_background_color
[3] );
2668 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_top
);
2669 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_left
);
2670 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_bottom
);
2671 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_text_box_right
);
2673 MP4_GET4BYTES( p_box
->data
.p_sample_text
->i_reserved3
);
2675 MP4_GET2BYTES( p_box
->data
.p_sample_text
->i_font_id
);
2676 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_font_face
);
2677 MP4_GET1BYTE ( p_box
->data
.p_sample_text
->i_font_size
);
2678 MP4_GET4BYTES( p_box
->data
.p_sample_text
->i_font_color
);
2681 msg_Dbg( p_stream
, "read box: \"tx3g\" in stsd text" );
2683 MP4_READBOX_EXIT( 1 );
2688 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
2689 static void MP4_FreeBox_sample_text( MP4_Box_t
*p_box
)
2691 FREENULL( p_box
->data
.p_sample_text
->psz_text_name
);
2695 static void MP4_FreeBox_stsz( MP4_Box_t
*p_box
)
2697 FREENULL( p_box
->data
.p_stsz
->i_entry_size
);
2700 static int MP4_ReadBox_stsz( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2702 MP4_READBOX_ENTER( MP4_Box_data_stsz_t
, MP4_FreeBox_stsz
);
2704 MP4_GETVERSIONFLAGS( p_box
->data
.p_stsz
);
2706 MP4_GET4BYTES( p_box
->data
.p_stsz
->i_sample_size
);
2707 MP4_GET4BYTES( p_box
->data
.p_stsz
->i_sample_count
);
2709 if( p_box
->data
.p_stsz
->i_sample_size
== 0 )
2711 p_box
->data
.p_stsz
->i_entry_size
=
2712 calloc( p_box
->data
.p_stsz
->i_sample_count
, sizeof(uint32_t) );
2713 if( unlikely( !p_box
->data
.p_stsz
->i_entry_size
) )
2714 MP4_READBOX_EXIT( 0 );
2716 for( unsigned int i
= 0; (i
<p_box
->data
.p_stsz
->i_sample_count
)&&(i_read
>= 4 ); i
++ )
2718 MP4_GET4BYTES( p_box
->data
.p_stsz
->i_entry_size
[i
] );
2722 p_box
->data
.p_stsz
->i_entry_size
= NULL
;
2725 msg_Dbg( p_stream
, "read box: \"stsz\" sample-size %d sample-count %d",
2726 p_box
->data
.p_stsz
->i_sample_size
,
2727 p_box
->data
.p_stsz
->i_sample_count
);
2730 MP4_READBOX_EXIT( 1 );
2733 static void MP4_FreeBox_stsc( MP4_Box_t
*p_box
)
2735 FREENULL( p_box
->data
.p_stsc
->i_first_chunk
);
2736 FREENULL( p_box
->data
.p_stsc
->i_samples_per_chunk
);
2737 FREENULL( p_box
->data
.p_stsc
->i_sample_description_index
);
2740 static int MP4_ReadBox_stsc( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2742 MP4_READBOX_ENTER( MP4_Box_data_stsc_t
, MP4_FreeBox_stsc
);
2744 MP4_GETVERSIONFLAGS( p_box
->data
.p_stsc
);
2746 MP4_GET4BYTES( p_box
->data
.p_stsc
->i_entry_count
);
2748 p_box
->data
.p_stsc
->i_first_chunk
=
2749 calloc( p_box
->data
.p_stsc
->i_entry_count
, sizeof(uint32_t) );
2750 p_box
->data
.p_stsc
->i_samples_per_chunk
=
2751 calloc( p_box
->data
.p_stsc
->i_entry_count
, sizeof(uint32_t) );
2752 p_box
->data
.p_stsc
->i_sample_description_index
=
2753 calloc( p_box
->data
.p_stsc
->i_entry_count
, sizeof(uint32_t) );
2754 if( unlikely( p_box
->data
.p_stsc
->i_first_chunk
== NULL
2755 || p_box
->data
.p_stsc
->i_samples_per_chunk
== NULL
2756 || p_box
->data
.p_stsc
->i_sample_description_index
== NULL
) )
2758 MP4_READBOX_EXIT( 0 );
2761 for( unsigned int i
= 0; (i
< p_box
->data
.p_stsc
->i_entry_count
)&&( i_read
>= 12 );i
++ )
2763 MP4_GET4BYTES( p_box
->data
.p_stsc
->i_first_chunk
[i
] );
2764 MP4_GET4BYTES( p_box
->data
.p_stsc
->i_samples_per_chunk
[i
] );
2765 MP4_GET4BYTES( p_box
->data
.p_stsc
->i_sample_description_index
[i
] );
2769 msg_Dbg( p_stream
, "read box: \"stsc\" entry-count %d",
2770 p_box
->data
.p_stsc
->i_entry_count
);
2773 MP4_READBOX_EXIT( 1 );
2776 static void MP4_FreeBox_sdp( MP4_Box_t
*p_box
)
2778 FREENULL( p_box
->data
.p_sdp
->psz_text
);
2781 static int MP4_ReadBox_sdp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2783 MP4_READBOX_ENTER( MP4_Box_data_sdp_t
, MP4_FreeBox_sdp
);
2785 MP4_GETSTRINGZ( p_box
->data
.p_sdp
->psz_text
);
2787 MP4_READBOX_EXIT( 1 );
2790 static void MP4_FreeBox_rtp( MP4_Box_t
*p_box
)
2792 FREENULL( p_box
->data
.p_moviehintinformation_rtp
->psz_text
);
2795 static int MP4_ReadBox_rtp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2797 MP4_READBOX_ENTER( MP4_Box_data_moviehintinformation_rtp_t
, MP4_FreeBox_rtp
);
2799 MP4_GET4BYTES( p_box
->data
.p_moviehintinformation_rtp
->i_description_format
);
2801 MP4_GETSTRINGZ( p_box
->data
.p_moviehintinformation_rtp
->psz_text
);
2803 MP4_READBOX_EXIT( 1 );
2806 static int MP4_ReadBox_tims( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2808 MP4_READBOX_ENTER( MP4_Box_data_tims_t
, NULL
);
2810 MP4_GET4BYTES( p_box
->data
.p_tims
->i_timescale
);
2812 MP4_READBOX_EXIT( 1 );
2815 static int MP4_ReadBox_tsro( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2817 MP4_READBOX_ENTER( MP4_Box_data_tsro_t
, NULL
);
2819 MP4_GET4BYTES( p_box
->data
.p_tsro
->i_offset
);
2821 MP4_READBOX_EXIT( 1 );
2824 static int MP4_ReadBox_tssy( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2826 MP4_READBOX_ENTER( MP4_Box_data_tssy_t
, NULL
);
2828 MP4_GET1BYTE( p_box
->data
.p_tssy
->i_reserved_timestamp_sync
);
2830 MP4_READBOX_EXIT( 1 );
2833 static void MP4_FreeBox_stco_co64( MP4_Box_t
*p_box
)
2835 FREENULL( p_box
->data
.p_co64
->i_chunk_offset
);
2838 static int MP4_ReadBox_stco_co64( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2840 MP4_READBOX_ENTER( MP4_Box_data_co64_t
, MP4_FreeBox_stco_co64
);
2842 MP4_GETVERSIONFLAGS( p_box
->data
.p_co64
);
2844 MP4_GET4BYTES( p_box
->data
.p_co64
->i_entry_count
);
2846 p_box
->data
.p_co64
->i_chunk_offset
=
2847 calloc( p_box
->data
.p_co64
->i_entry_count
, sizeof(uint64_t) );
2848 if( p_box
->data
.p_co64
->i_chunk_offset
== NULL
)
2849 MP4_READBOX_EXIT( 0 );
2851 for( unsigned int i
= 0; i
< p_box
->data
.p_co64
->i_entry_count
; i
++ )
2853 if( p_box
->i_type
== ATOM_stco
)
2859 MP4_GET4BYTES( p_box
->data
.p_co64
->i_chunk_offset
[i
] );
2867 MP4_GET8BYTES( p_box
->data
.p_co64
->i_chunk_offset
[i
] );
2872 msg_Dbg( p_stream
, "read box: \"co64\" entry-count %d",
2873 p_box
->data
.p_co64
->i_entry_count
);
2876 MP4_READBOX_EXIT( 1 );
2879 static void MP4_FreeBox_stss( MP4_Box_t
*p_box
)
2881 FREENULL( p_box
->data
.p_stss
->i_sample_number
);
2884 static int MP4_ReadBox_stss( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2886 MP4_READBOX_ENTER( MP4_Box_data_stss_t
, MP4_FreeBox_stss
);
2888 MP4_GETVERSIONFLAGS( p_box
->data
.p_stss
);
2890 MP4_GET4BYTES( p_box
->data
.p_stss
->i_entry_count
);
2892 p_box
->data
.p_stss
->i_sample_number
=
2893 calloc( p_box
->data
.p_stss
->i_entry_count
, sizeof(uint32_t) );
2894 if( unlikely( p_box
->data
.p_stss
->i_sample_number
== NULL
) )
2895 MP4_READBOX_EXIT( 0 );
2898 for( i
= 0; (i
< p_box
->data
.p_stss
->i_entry_count
)&&( i_read
>= 4 ); i
++ )
2901 MP4_GET4BYTES( p_box
->data
.p_stss
->i_sample_number
[i
] );
2902 /* XXX in libmp4 sample begin at 0 */
2903 p_box
->data
.p_stss
->i_sample_number
[i
]--;
2905 if ( i
< p_box
->data
.p_stss
->i_entry_count
)
2906 p_box
->data
.p_stss
->i_entry_count
= i
;
2909 msg_Dbg( p_stream
, "read box: \"stss\" entry-count %d",
2910 p_box
->data
.p_stss
->i_entry_count
);
2913 MP4_READBOX_EXIT( 1 );
2916 static void MP4_FreeBox_stsh( MP4_Box_t
*p_box
)
2918 FREENULL( p_box
->data
.p_stsh
->i_shadowed_sample_number
);
2919 FREENULL( p_box
->data
.p_stsh
->i_sync_sample_number
);
2922 static int MP4_ReadBox_stsh( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2924 MP4_READBOX_ENTER( MP4_Box_data_stsh_t
, MP4_FreeBox_stsh
);
2926 MP4_GETVERSIONFLAGS( p_box
->data
.p_stsh
);
2929 MP4_GET4BYTES( p_box
->data
.p_stsh
->i_entry_count
);
2931 p_box
->data
.p_stsh
->i_shadowed_sample_number
=
2932 calloc( p_box
->data
.p_stsh
->i_entry_count
, sizeof(uint32_t) );
2933 p_box
->data
.p_stsh
->i_sync_sample_number
=
2934 calloc( p_box
->data
.p_stsh
->i_entry_count
, sizeof(uint32_t) );
2936 if( p_box
->data
.p_stsh
->i_shadowed_sample_number
== NULL
2937 || p_box
->data
.p_stsh
->i_sync_sample_number
== NULL
)
2939 MP4_READBOX_EXIT( 0 );
2943 for( i
= 0; (i
< p_box
->data
.p_stss
->i_entry_count
)&&( i_read
>= 8 ); i
++ )
2945 MP4_GET4BYTES( p_box
->data
.p_stsh
->i_shadowed_sample_number
[i
] );
2946 MP4_GET4BYTES( p_box
->data
.p_stsh
->i_sync_sample_number
[i
] );
2948 if ( i
< p_box
->data
.p_stss
->i_entry_count
)
2949 p_box
->data
.p_stss
->i_entry_count
= i
;
2952 msg_Dbg( p_stream
, "read box: \"stsh\" entry-count %d",
2953 p_box
->data
.p_stsh
->i_entry_count
);
2955 MP4_READBOX_EXIT( 1 );
2958 static void MP4_FreeBox_stdp( MP4_Box_t
*p_box
)
2960 FREENULL( p_box
->data
.p_stdp
->i_priority
);
2963 static int MP4_ReadBox_stdp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
2965 MP4_READBOX_ENTER( MP4_Box_data_stdp_t
, MP4_FreeBox_stdp
);
2967 MP4_GETVERSIONFLAGS( p_box
->data
.p_stdp
);
2969 p_box
->data
.p_stdp
->i_priority
=
2970 calloc( i_read
/ 2, sizeof(uint16_t) );
2972 if( unlikely( !p_box
->data
.p_stdp
->i_priority
) )
2973 MP4_READBOX_EXIT( 0 );
2975 for( unsigned i
= 0; i
< i_read
/ 2 ; i
++ )
2977 MP4_GET2BYTES( p_box
->data
.p_stdp
->i_priority
[i
] );
2981 msg_Dbg( p_stream
, "read box: \"stdp\" entry-count %"PRId64
,
2985 MP4_READBOX_EXIT( 1 );
2988 static void MP4_FreeBox_padb( MP4_Box_t
*p_box
)
2990 FREENULL( p_box
->data
.p_padb
->i_reserved1
);
2991 FREENULL( p_box
->data
.p_padb
->i_pad2
);
2992 FREENULL( p_box
->data
.p_padb
->i_reserved2
);
2993 FREENULL( p_box
->data
.p_padb
->i_pad1
);
2996 static int MP4_ReadBox_padb( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3000 MP4_READBOX_ENTER( MP4_Box_data_padb_t
, MP4_FreeBox_padb
);
3002 MP4_GETVERSIONFLAGS( p_box
->data
.p_padb
);
3004 MP4_GET4BYTES( p_box
->data
.p_padb
->i_sample_count
);
3005 count
= (p_box
->data
.p_padb
->i_sample_count
+ 1) / 2;
3007 p_box
->data
.p_padb
->i_reserved1
= calloc( count
, sizeof(uint16_t) );
3008 p_box
->data
.p_padb
->i_pad2
= calloc( count
, sizeof(uint16_t) );
3009 p_box
->data
.p_padb
->i_reserved2
= calloc( count
, sizeof(uint16_t) );
3010 p_box
->data
.p_padb
->i_pad1
= calloc( count
, sizeof(uint16_t) );
3011 if( p_box
->data
.p_padb
->i_reserved1
== NULL
3012 || p_box
->data
.p_padb
->i_pad2
== NULL
3013 || p_box
->data
.p_padb
->i_reserved2
== NULL
3014 || p_box
->data
.p_padb
->i_pad1
== NULL
)
3016 MP4_READBOX_EXIT( 0 );
3019 for( unsigned int i
= 0; i
< i_read
/ 2 ; i
++ )
3023 MP4_READBOX_EXIT( 0 );
3025 p_box
->data
.p_padb
->i_reserved1
[i
] = ( (*p_peek
) >> 7 )&0x01;
3026 p_box
->data
.p_padb
->i_pad2
[i
] = ( (*p_peek
) >> 4 )&0x07;
3027 p_box
->data
.p_padb
->i_reserved1
[i
] = ( (*p_peek
) >> 3 )&0x01;
3028 p_box
->data
.p_padb
->i_pad1
[i
] = ( (*p_peek
) )&0x07;
3030 p_peek
+= 1; i_read
-= 1;
3034 msg_Dbg( p_stream
, "read box: \"stdp\" entry-count %"PRId64
,
3038 MP4_READBOX_EXIT( 1 );
3041 static void MP4_FreeBox_elst( MP4_Box_t
*p_box
)
3043 FREENULL( p_box
->data
.p_elst
->i_segment_duration
);
3044 FREENULL( p_box
->data
.p_elst
->i_media_time
);
3045 FREENULL( p_box
->data
.p_elst
->i_media_rate_integer
);
3046 FREENULL( p_box
->data
.p_elst
->i_media_rate_fraction
);
3049 static int MP4_ReadBox_elst( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3051 MP4_READBOX_ENTER( MP4_Box_data_elst_t
, MP4_FreeBox_elst
);
3053 MP4_GETVERSIONFLAGS( p_box
->data
.p_elst
);
3056 MP4_GET4BYTES( p_box
->data
.p_elst
->i_entry_count
);
3058 p_box
->data
.p_elst
->i_segment_duration
=
3059 calloc( p_box
->data
.p_elst
->i_entry_count
, sizeof(uint64_t) );
3060 p_box
->data
.p_elst
->i_media_time
=
3061 calloc( p_box
->data
.p_elst
->i_entry_count
, sizeof(int64_t) );
3062 p_box
->data
.p_elst
->i_media_rate_integer
=
3063 calloc( p_box
->data
.p_elst
->i_entry_count
, sizeof(uint16_t) );
3064 p_box
->data
.p_elst
->i_media_rate_fraction
=
3065 calloc( p_box
->data
.p_elst
->i_entry_count
, sizeof(uint16_t) );
3066 if( p_box
->data
.p_elst
->i_segment_duration
== NULL
3067 || p_box
->data
.p_elst
->i_media_time
== NULL
3068 || p_box
->data
.p_elst
->i_media_rate_integer
== NULL
3069 || p_box
->data
.p_elst
->i_media_rate_fraction
== NULL
)
3071 MP4_READBOX_EXIT( 0 );
3075 for( i
= 0; i
< p_box
->data
.p_elst
->i_entry_count
; i
++ )
3077 if( p_box
->data
.p_elst
->i_version
== 1 )
3081 MP4_GET8BYTES( p_box
->data
.p_elst
->i_segment_duration
[i
] );
3083 MP4_GET8BYTES( p_box
->data
.p_elst
->i_media_time
[i
] );
3089 MP4_GET4BYTES( p_box
->data
.p_elst
->i_segment_duration
[i
] );
3091 MP4_GET4BYTES( p_box
->data
.p_elst
->i_media_time
[i
] );
3092 p_box
->data
.p_elst
->i_media_time
[i
] = (int32_t)p_box
->data
.p_elst
->i_media_time
[i
];
3095 MP4_GET2BYTES( p_box
->data
.p_elst
->i_media_rate_integer
[i
] );
3096 MP4_GET2BYTES( p_box
->data
.p_elst
->i_media_rate_fraction
[i
] );
3098 if ( i
< p_box
->data
.p_elst
->i_entry_count
)
3099 p_box
->data
.p_elst
->i_entry_count
= i
;
3101 msg_Dbg( p_stream
, "read box: \"elst\" entry-count %lu",
3102 (unsigned long)p_box
->data
.p_elst
->i_entry_count
);
3104 MP4_READBOX_EXIT( 1 );
3107 static void MP4_FreeBox_cprt( MP4_Box_t
*p_box
)
3109 FREENULL( p_box
->data
.p_cprt
->psz_notice
);
3112 static int MP4_ReadBox_cprt( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3114 uint16_t i_language
;
3117 MP4_READBOX_ENTER( MP4_Box_data_cprt_t
, MP4_FreeBox_cprt
);
3119 MP4_GETVERSIONFLAGS( p_box
->data
.p_cprt
);
3121 MP4_GET2BYTES( i_language
);
3122 decodeQtLanguageCode( i_language
, p_box
->data
.p_cprt
->rgs_language
, &b_mac
);
3124 MP4_GETSTRINGZ( p_box
->data
.p_cprt
->psz_notice
);
3127 msg_Dbg( p_stream
, "read box: \"cprt\" language %3.3s notice %s",
3128 p_box
->data
.p_cprt
->rgs_language
,
3129 p_box
->data
.p_cprt
->psz_notice
);
3132 MP4_READBOX_EXIT( 1 );
3135 static int MP4_ReadBox_dcom( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3137 MP4_READBOX_ENTER( MP4_Box_data_dcom_t
, NULL
);
3139 MP4_GETFOURCC( p_box
->data
.p_dcom
->i_algorithm
);
3142 "read box: \"dcom\" compression algorithm : %4.4s",
3143 (char*)&p_box
->data
.p_dcom
->i_algorithm
);
3145 MP4_READBOX_EXIT( 1 );
3148 static void MP4_FreeBox_cmvd( MP4_Box_t
*p_box
)
3150 FREENULL( p_box
->data
.p_cmvd
->p_data
);
3153 static int MP4_ReadBox_cmvd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3155 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t
, MP4_FreeBox_cmvd
);
3157 MP4_GET4BYTES( p_box
->data
.p_cmvd
->i_uncompressed_size
);
3159 p_box
->data
.p_cmvd
->i_compressed_size
= i_read
;
3161 if( !( p_box
->data
.p_cmvd
->p_data
= malloc( i_read
) ) )
3162 MP4_READBOX_EXIT( 0 );
3164 /* now copy compressed data */
3165 memcpy( p_box
->data
.p_cmvd
->p_data
, p_peek
,i_read
);
3167 p_box
->data
.p_cmvd
->b_compressed
= 1;
3170 msg_Dbg( p_stream
, "read box: \"cmvd\" compressed data size %d",
3171 p_box
->data
.p_cmvd
->i_compressed_size
);
3174 MP4_READBOX_EXIT( 1 );
3177 static int MP4_ReadBox_cmov( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3183 stream_t
*p_stream_memory
;
3189 if( !( p_box
->data
.p_cmov
= calloc(1, sizeof( MP4_Box_data_cmov_t
) ) ) )
3192 if( !p_box
->p_father
||
3193 ( p_box
->p_father
->i_type
!= ATOM_moov
&&
3194 p_box
->p_father
->i_type
!= ATOM_foov
) )
3196 msg_Warn( p_stream
, "Read box: \"cmov\" box alone" );
3200 if( !MP4_ReadBoxContainer( p_stream
, p_box
) )
3205 if( ( p_dcom
= MP4_BoxGet( p_box
, "dcom" ) ) == NULL
||
3206 ( p_cmvd
= MP4_BoxGet( p_box
, "cmvd" ) ) == NULL
||
3207 p_cmvd
->data
.p_cmvd
->p_data
== NULL
)
3209 msg_Warn( p_stream
, "read box: \"cmov\" incomplete" );
3213 if( p_dcom
->data
.p_dcom
->i_algorithm
!= ATOM_zlib
)
3215 msg_Dbg( p_stream
, "read box: \"cmov\" compression algorithm : %4.4s "
3216 "not supported", (char*)&p_dcom
->data
.p_dcom
->i_algorithm
);
3221 msg_Dbg( p_stream
, "read box: \"cmov\" zlib unsupported" );
3225 /* decompress data */
3226 /* allocate a new buffer */
3227 if( !( p_data
= malloc( p_cmvd
->data
.p_cmvd
->i_uncompressed_size
) ) )
3229 /* init default structures */
3230 z_data
.next_in
= p_cmvd
->data
.p_cmvd
->p_data
;
3231 z_data
.avail_in
= p_cmvd
->data
.p_cmvd
->i_compressed_size
;
3232 z_data
.next_out
= p_data
;
3233 z_data
.avail_out
= p_cmvd
->data
.p_cmvd
->i_uncompressed_size
;
3234 z_data
.zalloc
= (alloc_func
)Z_NULL
;
3235 z_data
.zfree
= (free_func
)Z_NULL
;
3236 z_data
.opaque
= (voidpf
)Z_NULL
;
3239 if( inflateInit( &z_data
) != Z_OK
)
3241 msg_Err( p_stream
, "read box: \"cmov\" error while uncompressing" );
3247 i_result
= inflate( &z_data
, Z_NO_FLUSH
);
3248 if( i_result
!= Z_OK
&& i_result
!= Z_STREAM_END
)
3250 msg_Err( p_stream
, "read box: \"cmov\" error while uncompressing" );
3255 if( p_cmvd
->data
.p_cmvd
->i_uncompressed_size
!= z_data
.total_out
)
3257 msg_Warn( p_stream
, "read box: \"cmov\" uncompressing data size "
3260 p_cmvd
->data
.p_cmvd
->i_uncompressed_size
= z_data
.total_out
;
3263 if( inflateEnd( &z_data
) != Z_OK
)
3265 msg_Warn( p_stream
, "read box: \"cmov\" error while uncompressing "
3269 free( p_cmvd
->data
.p_cmvd
->p_data
);
3270 p_cmvd
->data
.p_cmvd
->p_data
= p_data
;
3271 p_cmvd
->data
.p_cmvd
->b_compressed
= 0;
3273 msg_Dbg( p_stream
, "read box: \"cmov\" box successfully uncompressed" );
3275 /* now create a memory stream */
3277 vlc_stream_MemoryNew( VLC_OBJECT(p_stream
),
3278 p_cmvd
->data
.p_cmvd
->p_data
,
3279 p_cmvd
->data
.p_cmvd
->i_uncompressed_size
, true );
3281 /* and read uncompressd moov */
3282 p_box
->data
.p_cmov
->p_moov
= MP4_ReadBox( p_stream_memory
, NULL
);
3284 vlc_stream_Delete( p_stream_memory
);
3287 msg_Dbg( p_stream
, "read box: \"cmov\" compressed movie header completed");
3290 return p_box
->data
.p_cmov
->p_moov
? 1 : 0;
3291 #endif /* HAVE_ZLIB_H */
3294 static void MP4_FreeBox_rdrf( MP4_Box_t
*p_box
)
3296 FREENULL( p_box
->data
.p_rdrf
->psz_ref
);
3299 static int MP4_ReadBox_rdrf( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3302 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t
, MP4_FreeBox_rdrf
);
3304 MP4_GETVERSIONFLAGS( p_box
->data
.p_rdrf
);
3305 MP4_GETFOURCC( p_box
->data
.p_rdrf
->i_ref_type
);
3306 MP4_GET4BYTES( i_len
);
3311 p_box
->data
.p_rdrf
->psz_ref
= malloc( i_len
);
3312 if( p_box
->data
.p_rdrf
->psz_ref
== NULL
)
3313 MP4_READBOX_EXIT( 0 );
3316 for( unsigned i
= 0; i
< i_len
; i
++ )
3318 MP4_GET1BYTE( p_box
->data
.p_rdrf
->psz_ref
[i
] );
3320 p_box
->data
.p_rdrf
->psz_ref
[i_len
] = '\0';
3324 p_box
->data
.p_rdrf
->psz_ref
= NULL
;
3329 "read box: \"rdrf\" type:%4.4s ref %s",
3330 (char*)&p_box
->data
.p_rdrf
->i_ref_type
,
3331 p_box
->data
.p_rdrf
->psz_ref
);
3333 MP4_READBOX_EXIT( 1 );
3338 static int MP4_ReadBox_rmdr( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3340 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t
, NULL
);
3342 MP4_GETVERSIONFLAGS( p_box
->data
.p_rmdr
);
3344 MP4_GET4BYTES( p_box
->data
.p_rmdr
->i_rate
);
3348 "read box: \"rmdr\" rate:%d",
3349 p_box
->data
.p_rmdr
->i_rate
);
3351 MP4_READBOX_EXIT( 1 );
3354 static int MP4_ReadBox_rmqu( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3356 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t
, NULL
);
3358 MP4_GET4BYTES( p_box
->data
.p_rmqu
->i_quality
);
3362 "read box: \"rmqu\" quality:%d",
3363 p_box
->data
.p_rmqu
->i_quality
);
3365 MP4_READBOX_EXIT( 1 );
3368 static int MP4_ReadBox_rmvc( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3370 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t
, NULL
);
3371 MP4_GETVERSIONFLAGS( p_box
->data
.p_rmvc
);
3373 MP4_GETFOURCC( p_box
->data
.p_rmvc
->i_gestaltType
);
3374 MP4_GET4BYTES( p_box
->data
.p_rmvc
->i_val1
);
3375 MP4_GET4BYTES( p_box
->data
.p_rmvc
->i_val2
);
3376 MP4_GET2BYTES( p_box
->data
.p_rmvc
->i_checkType
);
3380 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
3381 (char*)&p_box
->data
.p_rmvc
->i_gestaltType
,
3382 p_box
->data
.p_rmvc
->i_val1
,p_box
->data
.p_rmvc
->i_val2
,
3383 p_box
->data
.p_rmvc
->i_checkType
);
3386 MP4_READBOX_EXIT( 1 );
3389 static int MP4_ReadBox_frma( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3391 MP4_READBOX_ENTER( MP4_Box_data_frma_t
, NULL
);
3393 MP4_GETFOURCC( p_box
->data
.p_frma
->i_type
);
3396 msg_Dbg( p_stream
, "read box: \"frma\" i_type:%4.4s",
3397 (char *)&p_box
->data
.p_frma
->i_type
);
3400 MP4_READBOX_EXIT( 1 );
3403 static int MP4_ReadBox_skcr( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3405 MP4_READBOX_ENTER( MP4_Box_data_skcr_t
, NULL
);
3407 MP4_GET4BYTES( p_box
->data
.p_skcr
->i_init
);
3408 MP4_GET4BYTES( p_box
->data
.p_skcr
->i_encr
);
3409 MP4_GET4BYTES( p_box
->data
.p_skcr
->i_decr
);
3412 msg_Dbg( p_stream
, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
3413 p_box
->data
.p_skcr
->i_init
,
3414 p_box
->data
.p_skcr
->i_encr
,
3415 p_box
->data
.p_skcr
->i_decr
);
3418 MP4_READBOX_EXIT( 1 );
3421 static int MP4_ReadBox_drms( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3424 /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
3425 * so unless data decrypt itself by magic, there will be no playback,
3426 * but we never know... */
3427 msg_Warn( p_stream
, "DRM protected streams are not supported." );
3431 static void MP4_FreeBox_Binary( MP4_Box_t
*p_box
)
3433 FREENULL( p_box
->data
.p_binary
->p_blob
);
3434 p_box
->data
.p_binary
->i_blob
= 0;
3437 static int MP4_ReadBox_Binary( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3439 MP4_READBOX_ENTER( MP4_Box_data_binary_t
, MP4_FreeBox_Binary
);
3440 i_read
= __MIN( i_read
, UINT32_MAX
);
3443 p_box
->data
.p_binary
->p_blob
= malloc( i_read
);
3444 if ( p_box
->data
.p_binary
->p_blob
)
3446 memcpy( p_box
->data
.p_binary
->p_blob
, p_peek
, i_read
);
3447 p_box
->data
.p_binary
->i_blob
= i_read
;
3450 MP4_READBOX_EXIT( 1 );
3453 static void MP4_FreeBox_data( MP4_Box_t
*p_box
)
3455 free( p_box
->data
.p_data
->p_blob
);
3458 static int MP4_ReadBox_data( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3460 MP4_READBOX_ENTER( MP4_Box_data_data_t
, MP4_FreeBox_data
);
3461 MP4_Box_data_data_t
*p_data
= p_box
->data
.p_data
;
3463 if ( i_read
< 8 || i_read
- 8 > UINT32_MAX
)
3464 MP4_READBOX_EXIT( 0 );
3467 MP4_GET1BYTE( i_type
);
3471 msg_Dbg( p_stream
, "skipping unknown 'data' atom with type %"PRIu8
, i_type
);
3473 MP4_READBOX_EXIT( 0 );
3476 MP4_GET3BYTES( p_data
->e_wellknowntype
);
3477 MP4_GET2BYTES( p_data
->locale
.i_country
);
3478 MP4_GET2BYTES( p_data
->locale
.i_language
);
3480 msg_Dbg( p_stream
, "read 'data' atom: knowntype=%"PRIu32
", country=%"PRIu16
" lang=%"PRIu16
3481 ", size %"PRId64
" bytes", p_data
->e_wellknowntype
,
3482 p_data
->locale
.i_country
, p_data
->locale
.i_language
, i_read
);
3484 p_box
->data
.p_data
->p_blob
= malloc( i_read
);
3485 if ( !p_box
->data
.p_data
->p_blob
)
3486 MP4_READBOX_EXIT( 0 );
3488 p_box
->data
.p_data
->i_blob
= i_read
;
3489 memcpy( p_box
->data
.p_data
->p_blob
, p_peek
, i_read
);
3491 MP4_READBOX_EXIT( 1 );
3494 static int MP4_ReadBox_Metadata( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3496 const uint8_t *p_peek
;
3497 if ( vlc_stream_Peek( p_stream
, &p_peek
, 16 ) < 16 )
3499 if ( vlc_stream_Read( p_stream
, NULL
, 8 ) < 8 )
3501 const uint32_t stoplist
[] = { ATOM_data
, 0 };
3502 return MP4_ReadBoxContainerChildren( p_stream
, p_box
, stoplist
);
3505 /* Chapter support */
3506 static void MP4_FreeBox_chpl( MP4_Box_t
*p_box
)
3508 MP4_Box_data_chpl_t
*p_chpl
= p_box
->data
.p_chpl
;
3509 for( unsigned i
= 0; i
< p_chpl
->i_chapter
; i
++ )
3510 free( p_chpl
->chapter
[i
].psz_name
);
3513 static int MP4_ReadBox_chpl( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3515 MP4_Box_data_chpl_t
*p_chpl
;
3517 VLC_UNUSED(i_dummy
);
3519 MP4_READBOX_ENTER( MP4_Box_data_chpl_t
, MP4_FreeBox_chpl
);
3521 p_chpl
= p_box
->data
.p_chpl
;
3523 MP4_GETVERSIONFLAGS( p_chpl
);
3525 if ( i_read
< 5 || p_chpl
->i_version
!= 0x1 )
3526 MP4_READBOX_EXIT( 0 );
3528 MP4_GET4BYTES( i_dummy
);
3530 MP4_GET1BYTE( p_chpl
->i_chapter
);
3532 for( i
= 0; i
< p_chpl
->i_chapter
; i
++ )
3539 MP4_GET8BYTES( i_start
);
3540 MP4_GET1BYTE( i_len
);
3542 p_chpl
->chapter
[i
].psz_name
= malloc( i_len
+ 1 );
3543 if( !p_chpl
->chapter
[i
].psz_name
)
3544 MP4_READBOX_EXIT( 0 );
3546 i_copy
= __MIN( i_len
, i_read
);
3548 memcpy( p_chpl
->chapter
[i
].psz_name
, p_peek
, i_copy
);
3549 p_chpl
->chapter
[i
].psz_name
[i_copy
] = '\0';
3550 p_chpl
->chapter
[i
].i_start
= i_start
;
3556 if ( i
!= p_chpl
->i_chapter
)
3557 p_chpl
->i_chapter
= i
;
3559 /* Bubble sort by increasing start date */
3562 for( i
= 0; i
< p_chpl
->i_chapter
- 1; i
++ )
3564 if( p_chpl
->chapter
[i
].i_start
> p_chpl
->chapter
[i
+1].i_start
)
3566 char *psz
= p_chpl
->chapter
[i
+1].psz_name
;
3567 int64_t i64
= p_chpl
->chapter
[i
+1].i_start
;
3569 p_chpl
->chapter
[i
+1].psz_name
= p_chpl
->chapter
[i
].psz_name
;
3570 p_chpl
->chapter
[i
+1].i_start
= p_chpl
->chapter
[i
].i_start
;
3572 p_chpl
->chapter
[i
].psz_name
= psz
;
3573 p_chpl
->chapter
[i
].i_start
= i64
;
3582 msg_Dbg( p_stream
, "read box: \"chpl\" %d chapters",
3583 p_chpl
->i_chapter
);
3585 MP4_READBOX_EXIT( 1 );
3588 /* GoPro HiLight tags support */
3589 static void MP4_FreeBox_HMMT( MP4_Box_t
*p_box
)
3591 FREENULL( p_box
->data
.p_hmmt
->pi_chapter_start
);
3594 static int MP4_ReadBox_HMMT( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3596 #define MAX_CHAPTER_COUNT 100
3598 MP4_Box_data_HMMT_t
*p_hmmt
;
3599 MP4_READBOX_ENTER( MP4_Box_data_HMMT_t
, MP4_FreeBox_HMMT
);
3602 MP4_READBOX_EXIT( 0 );
3604 p_hmmt
= p_box
->data
.p_hmmt
;
3606 MP4_GET4BYTES( p_hmmt
->i_chapter_count
);
3608 if( p_hmmt
->i_chapter_count
<= 0 )
3610 p_hmmt
->pi_chapter_start
= NULL
;
3611 MP4_READBOX_EXIT( 1 );
3614 if( ( i_read
/ sizeof(uint32_t) ) < p_hmmt
->i_chapter_count
)
3615 MP4_READBOX_EXIT( 0 );
3617 /* Cameras are allowing a maximum of 100 tags */
3618 if( p_hmmt
->i_chapter_count
> MAX_CHAPTER_COUNT
)
3619 p_hmmt
->i_chapter_count
= MAX_CHAPTER_COUNT
;
3621 p_hmmt
->pi_chapter_start
= malloc( p_hmmt
->i_chapter_count
* sizeof(uint32_t) );
3622 if( p_hmmt
->pi_chapter_start
== NULL
)
3623 MP4_READBOX_EXIT( 0 );
3625 for( uint32_t i
= 0; i
< p_hmmt
->i_chapter_count
; i
++ )
3627 MP4_GET4BYTES( p_hmmt
->pi_chapter_start
[i
] );
3631 msg_Dbg( p_stream
, "read box: \"HMMT\" %d HiLight tags", p_hmmt
->i_chapter_count
);
3634 MP4_READBOX_EXIT( 1 );
3637 static void MP4_FreeBox_tref_generic( MP4_Box_t
*p_box
)
3639 FREENULL( p_box
->data
.p_tref_generic
->i_track_ID
);
3642 static int MP4_ReadBox_tref_generic( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3644 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t
, MP4_FreeBox_tref_generic
);
3646 p_box
->data
.p_tref_generic
->i_track_ID
= NULL
;
3647 p_box
->data
.p_tref_generic
->i_entry_count
= i_read
/ sizeof(uint32_t);
3648 if( p_box
->data
.p_tref_generic
->i_entry_count
> 0 )
3649 p_box
->data
.p_tref_generic
->i_track_ID
= calloc( p_box
->data
.p_tref_generic
->i_entry_count
, sizeof(uint32_t) );
3650 if( p_box
->data
.p_tref_generic
->i_track_ID
== NULL
)
3651 MP4_READBOX_EXIT( 0 );
3653 for( unsigned i
= 0; i
< p_box
->data
.p_tref_generic
->i_entry_count
; i
++ )
3655 MP4_GET4BYTES( p_box
->data
.p_tref_generic
->i_track_ID
[i
] );
3658 msg_Dbg( p_stream
, "read box: \"chap\" %d references",
3659 p_box
->data
.p_tref_generic
->i_entry_count
);
3662 MP4_READBOX_EXIT( 1 );
3665 static void MP4_FreeBox_keys( MP4_Box_t
*p_box
)
3667 for( uint32_t i
=0; i
<p_box
->data
.p_keys
->i_entry_count
; i
++ )
3668 free( p_box
->data
.p_keys
->p_entries
[i
].psz_value
);
3669 free( p_box
->data
.p_keys
->p_entries
);
3672 static int MP4_ReadBox_keys( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3674 MP4_READBOX_ENTER( MP4_Box_data_keys_t
, MP4_FreeBox_keys
);
3677 MP4_READBOX_EXIT( 0 );
3680 MP4_GET4BYTES( i_count
); /* reserved + flags */
3682 MP4_READBOX_EXIT( 0 );
3684 MP4_GET4BYTES( i_count
);
3685 p_box
->data
.p_keys
->p_entries
= calloc( i_count
, sizeof(*p_box
->data
.p_keys
->p_entries
) );
3686 if ( !p_box
->data
.p_keys
->p_entries
)
3687 MP4_READBOX_EXIT( 0 );
3688 p_box
->data
.p_keys
->i_entry_count
= i_count
;
3691 for( ; i
< i_count
; i
++ )
3696 MP4_GET4BYTES( i_keysize
);
3697 if ( (i_keysize
< 8) || (i_keysize
- 4 > i_read
) )
3699 MP4_GETFOURCC( p_box
->data
.p_keys
->p_entries
[i
].i_namespace
);
3701 p_box
->data
.p_keys
->p_entries
[i
].psz_value
= malloc( i_keysize
+ 1 );
3702 if ( !p_box
->data
.p_keys
->p_entries
[i
].psz_value
)
3704 memcpy( p_box
->data
.p_keys
->p_entries
[i
].psz_value
, p_peek
, i_keysize
);
3705 p_box
->data
.p_keys
->p_entries
[i
].psz_value
[i_keysize
] = 0;
3706 p_peek
+= i_keysize
;
3707 i_read
-= i_keysize
;
3708 #ifdef MP4_ULTRA_VERBOSE
3709 msg_Dbg( p_stream
, "read box: \"keys\": %u '%s'", i
+ 1,
3710 p_box
->data
.p_keys
->p_entries
[i
].psz_value
);
3714 p_box
->data
.p_keys
->i_entry_count
= i
;
3716 MP4_READBOX_EXIT( 1 );
3719 static int MP4_ReadBox_colr( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3721 MP4_READBOX_ENTER( MP4_Box_data_colr_t
, NULL
);
3722 MP4_GETFOURCC( p_box
->data
.p_colr
->i_type
);
3723 if ( p_box
->data
.p_colr
->i_type
== VLC_FOURCC( 'n', 'c', 'l', 'c' ) ||
3724 p_box
->data
.p_colr
->i_type
== VLC_FOURCC( 'n', 'c', 'l', 'x' ) )
3726 MP4_GET2BYTES( p_box
->data
.p_colr
->nclc
.i_primary_idx
);
3727 MP4_GET2BYTES( p_box
->data
.p_colr
->nclc
.i_transfer_function_idx
);
3728 MP4_GET2BYTES( p_box
->data
.p_colr
->nclc
.i_matrix_idx
);
3729 if ( p_box
->data
.p_colr
->i_type
== VLC_FOURCC( 'n', 'c', 'l', 'x' ) )
3730 MP4_GET1BYTE( p_box
->data
.p_colr
->nclc
.i_full_range
);
3735 msg_Warn( p_stream
, "Unhandled colr type: %4.4s", (char*)&p_box
->data
.p_colr
->i_type
);
3738 MP4_READBOX_EXIT( 1 );
3741 static int MP4_ReadBox_meta( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3743 const uint8_t *p_peek
;
3744 const size_t i_headersize
= mp4_box_headersize( p_box
);
3746 if( p_box
->i_size
< 16 || p_box
->i_size
- i_headersize
< 8 )
3749 /* skip over box header */
3750 if( vlc_stream_Read( p_stream
, NULL
, i_headersize
) < (ssize_t
) i_headersize
)
3753 /* meta content starts with a 4 byte version/flags value (should be 0) */
3754 if( vlc_stream_Peek( p_stream
, &p_peek
, 8 ) < 8 )
3757 if( !memcmp( p_peek
, "\0\0\0", 4 ) ) /* correct header case */
3759 if( vlc_stream_Read( p_stream
, NULL
, 4 ) < 4 )
3762 else if( memcmp( &p_peek
[4], "hdlr", 4 ) ) /* Broken, headerless ones */
3767 /* load child atoms up to the handler (which should be next anyway) */
3768 const uint32_t stoplist
[] = { ATOM_hdlr
, 0 };
3769 if ( !MP4_ReadBoxContainerChildren( p_stream
, p_box
, stoplist
) )
3773 const MP4_Box_t
*p_hdlr
= MP4_BoxGet( p_box
, "hdlr" );
3774 if ( p_hdlr
&& BOXDATA(p_hdlr
) && BOXDATA(p_hdlr
)->i_version
== 0 )
3776 p_box
->i_handler
= BOXDATA(p_hdlr
)->i_handler_type
;
3777 switch( p_box
->i_handler
)
3781 /* then it behaves like a container */
3782 return MP4_ReadBoxContainerChildren( p_stream
, p_box
, NULL
);
3784 /* skip parsing, will be seen as empty container */
3792 static int MP4_ReadBox_iods( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3795 VLC_UNUSED(i_unused
);
3797 MP4_READBOX_ENTER( MP4_Box_data_iods_t
, NULL
);
3798 MP4_GETVERSIONFLAGS( p_box
->data
.p_iods
);
3800 MP4_GET1BYTE( i_unused
); /* tag */
3801 MP4_GET1BYTE( i_unused
); /* length */
3803 MP4_GET2BYTES( p_box
->data
.p_iods
->i_object_descriptor
); /* 10bits, 6 other bits
3804 are used for other flags */
3805 MP4_GET1BYTE( p_box
->data
.p_iods
->i_OD_profile_level
);
3806 MP4_GET1BYTE( p_box
->data
.p_iods
->i_scene_profile_level
);
3807 MP4_GET1BYTE( p_box
->data
.p_iods
->i_audio_profile_level
);
3808 MP4_GET1BYTE( p_box
->data
.p_iods
->i_visual_profile_level
);
3809 MP4_GET1BYTE( p_box
->data
.p_iods
->i_graphics_profile_level
);
3813 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
3814 "visual: %i, graphics: %i",
3815 p_box
->data
.p_iods
->i_object_descriptor
>> 6,
3816 p_box
->data
.p_iods
->i_OD_profile_level
,
3817 p_box
->data
.p_iods
->i_scene_profile_level
,
3818 p_box
->data
.p_iods
->i_audio_profile_level
,
3819 p_box
->data
.p_iods
->i_visual_profile_level
,
3820 p_box
->data
.p_iods
->i_graphics_profile_level
);
3823 MP4_READBOX_EXIT( 1 );
3826 static int MP4_ReadBox_btrt( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3828 MP4_READBOX_ENTER( MP4_Box_data_btrt_t
, NULL
);
3831 MP4_READBOX_EXIT( 0 );
3833 MP4_GET4BYTES( p_box
->data
.p_btrt
->i_buffer_size
);
3834 MP4_GET4BYTES( p_box
->data
.p_btrt
->i_max_bitrate
);
3835 MP4_GET4BYTES( p_box
->data
.p_btrt
->i_avg_bitrate
);
3837 MP4_READBOX_EXIT( 1 );
3840 static int MP4_ReadBox_pasp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3842 MP4_READBOX_ENTER( MP4_Box_data_pasp_t
, NULL
);
3844 MP4_GET4BYTES( p_box
->data
.p_pasp
->i_horizontal_spacing
);
3845 MP4_GET4BYTES( p_box
->data
.p_pasp
->i_vertical_spacing
);
3849 "read box: \"paps\" %dx%d",
3850 p_box
->data
.p_pasp
->i_horizontal_spacing
,
3851 p_box
->data
.p_pasp
->i_vertical_spacing
);
3854 MP4_READBOX_EXIT( 1 );
3857 static int MP4_ReadBox_mehd( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3859 MP4_READBOX_ENTER( MP4_Box_data_mehd_t
, NULL
);
3861 MP4_GETVERSIONFLAGS( p_box
->data
.p_mehd
);
3862 if( p_box
->data
.p_mehd
->i_version
== 1 )
3863 MP4_GET8BYTES( p_box
->data
.p_mehd
->i_fragment_duration
);
3864 else /* version == 0 */
3865 MP4_GET4BYTES( p_box
->data
.p_mehd
->i_fragment_duration
);
3869 "read box: \"mehd\" frag dur. %"PRIu64
"",
3870 p_box
->data
.p_mehd
->i_fragment_duration
);
3873 MP4_READBOX_EXIT( 1 );
3876 static int MP4_ReadBox_trex( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3878 MP4_READBOX_ENTER( MP4_Box_data_trex_t
, NULL
);
3879 MP4_GETVERSIONFLAGS( p_box
->data
.p_trex
);
3881 MP4_GET4BYTES( p_box
->data
.p_trex
->i_track_ID
);
3882 MP4_GET4BYTES( p_box
->data
.p_trex
->i_default_sample_description_index
);
3883 MP4_GET4BYTES( p_box
->data
.p_trex
->i_default_sample_duration
);
3884 MP4_GET4BYTES( p_box
->data
.p_trex
->i_default_sample_size
);
3885 MP4_GET4BYTES( p_box
->data
.p_trex
->i_default_sample_flags
);
3889 "read box: \"trex\" trackID: %"PRIu32
"",
3890 p_box
->data
.p_trex
->i_track_ID
);
3893 MP4_READBOX_EXIT( 1 );
3896 static void MP4_FreeBox_sdtp( MP4_Box_t
*p_box
)
3898 FREENULL( p_box
->data
.p_sdtp
->p_sample_table
);
3901 static int MP4_ReadBox_sdtp( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3903 uint32_t i_sample_count
;
3904 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t
, MP4_FreeBox_sdtp
);
3905 MP4_Box_data_sdtp_t
*p_sdtp
= p_box
->data
.p_sdtp
;
3906 MP4_GETVERSIONFLAGS( p_box
->data
.p_sdtp
);
3907 i_sample_count
= i_read
;
3909 p_sdtp
->p_sample_table
= calloc( i_sample_count
, 1 );
3911 if( !p_sdtp
->p_sample_table
)
3912 MP4_READBOX_EXIT( 0 );
3914 for( uint32_t i
= 0; i
< i_sample_count
; i
++ )
3915 MP4_GET1BYTE( p_sdtp
->p_sample_table
[i
] );
3918 msg_Dbg( p_stream
, "i_sample_count is %"PRIu32
"", i_sample_count
);
3919 if ( i_sample_count
> 3 )
3921 "read box: \"sdtp\" head: %"PRIx8
" %"PRIx8
" %"PRIx8
" %"PRIx8
"",
3922 p_sdtp
->p_sample_table
[0],
3923 p_sdtp
->p_sample_table
[1],
3924 p_sdtp
->p_sample_table
[2],
3925 p_sdtp
->p_sample_table
[3] );
3928 MP4_READBOX_EXIT( 1 );
3931 static int MP4_ReadBox_tsel( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3933 MP4_READBOX_ENTER( MP4_Box_data_tsel_t
, NULL
);
3935 MP4_GET4BYTES( i_version
);
3936 if ( i_version
!= 0 || i_read
< 4 )
3937 MP4_READBOX_EXIT( 0 );
3938 MP4_GET4BYTES( p_box
->data
.p_tsel
->i_switch_group
);
3939 /* ignore list of attributes as es are present before switch */
3940 MP4_READBOX_EXIT( 1 );
3943 static int MP4_ReadBox_mfro( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3945 MP4_READBOX_ENTER( MP4_Box_data_mfro_t
, NULL
);
3947 MP4_GETVERSIONFLAGS( p_box
->data
.p_mfro
);
3948 MP4_GET4BYTES( p_box
->data
.p_mfro
->i_size
);
3952 "read box: \"mfro\" size: %"PRIu32
"",
3953 p_box
->data
.p_mfro
->i_size
);
3956 MP4_READBOX_EXIT( 1 );
3959 static void MP4_FreeBox_tfra( MP4_Box_t
*p_box
)
3961 FREENULL( p_box
->data
.p_tfra
->p_time
);
3962 FREENULL( p_box
->data
.p_tfra
->p_moof_offset
);
3963 FREENULL( p_box
->data
.p_tfra
->p_traf_number
);
3964 FREENULL( p_box
->data
.p_tfra
->p_trun_number
);
3965 FREENULL( p_box
->data
.p_tfra
->p_sample_number
);
3968 static int MP4_ReadBox_tfra( stream_t
*p_stream
, MP4_Box_t
*p_box
)
3970 #define READ_VARIABLE_LENGTH(lengthvar, p_array) switch (lengthvar)\
3973 MP4_GET1BYTE( p_array[i] );\
3976 MP4_GET2BYTES( *((uint16_t *)&p_array[i*2]) );\
3979 MP4_GET3BYTES( *((uint32_t *)&p_array[i*4]) );\
3982 MP4_GET4BYTES( *((uint32_t *)&p_array[i*4]) );\
3987 #define FIX_VARIABLE_LENGTH(lengthvar) if ( lengthvar == 3 ) lengthvar = 4
3989 uint32_t i_number_of_entries
;
3990 MP4_READBOX_ENTER( MP4_Box_data_tfra_t
, MP4_FreeBox_tfra
);
3991 MP4_Box_data_tfra_t
*p_tfra
= p_box
->data
.p_tfra
;
3992 MP4_GETVERSIONFLAGS( p_box
->data
.p_tfra
);
3993 if ( p_tfra
->i_version
> 1 )
3994 MP4_READBOX_EXIT( 0 );
3995 MP4_GET4BYTES( p_tfra
->i_track_ID
);
3996 uint32_t i_lengths
= 0;
3997 MP4_GET4BYTES( i_lengths
);
3998 MP4_GET4BYTES( p_tfra
->i_number_of_entries
);
3999 i_number_of_entries
= p_tfra
->i_number_of_entries
;
4000 p_tfra
->i_length_size_of_traf_num
= i_lengths
>> 4;
4001 p_tfra
->i_length_size_of_trun_num
= ( i_lengths
& 0x0c ) >> 2;
4002 p_tfra
->i_length_size_of_sample_num
= i_lengths
& 0x03;
4004 size_t size
= 4 + 4*p_tfra
->i_version
; /* size in {4, 8} */
4005 p_tfra
->p_time
= calloc( i_number_of_entries
, size
);
4006 p_tfra
->p_moof_offset
= calloc( i_number_of_entries
, size
);
4008 size
= 1 + p_tfra
->i_length_size_of_traf_num
; /* size in [|1, 4|] */
4009 if ( size
== 3 ) size
++;
4010 p_tfra
->p_traf_number
= calloc( i_number_of_entries
, size
);
4011 size
= 1 + p_tfra
->i_length_size_of_trun_num
;
4012 if ( size
== 3 ) size
++;
4013 p_tfra
->p_trun_number
= calloc( i_number_of_entries
, size
);
4014 size
= 1 + p_tfra
->i_length_size_of_sample_num
;
4015 if ( size
== 3 ) size
++;
4016 p_tfra
->p_sample_number
= calloc( i_number_of_entries
, size
);
4018 if( !p_tfra
->p_time
|| !p_tfra
->p_moof_offset
|| !p_tfra
->p_traf_number
4019 || !p_tfra
->p_trun_number
|| !p_tfra
->p_sample_number
)
4022 int i_fields_length
= 3 + p_tfra
->i_length_size_of_traf_num
4023 + p_tfra
->i_length_size_of_trun_num
4024 + p_tfra
->i_length_size_of_sample_num
;
4027 for( i
= 0; i
< i_number_of_entries
; i
++ )
4030 if( p_tfra
->i_version
== 1 )
4032 if ( i_read
< i_fields_length
+ 16 )
4034 MP4_GET8BYTES( *((uint64_t *)&p_tfra
->p_time
[i
*2]) );
4035 MP4_GET8BYTES( *((uint64_t *)&p_tfra
->p_moof_offset
[i
*2]) );
4039 if ( i_read
< i_fields_length
+ 8 )
4041 MP4_GET4BYTES( p_tfra
->p_time
[i
] );
4042 MP4_GET4BYTES( p_tfra
->p_moof_offset
[i
] );
4045 READ_VARIABLE_LENGTH(p_tfra
->i_length_size_of_traf_num
, p_tfra
->p_traf_number
);
4046 READ_VARIABLE_LENGTH(p_tfra
->i_length_size_of_trun_num
, p_tfra
->p_trun_number
);
4047 READ_VARIABLE_LENGTH(p_tfra
->i_length_size_of_sample_num
, p_tfra
->p_sample_number
);
4049 if ( i
< i_number_of_entries
)
4050 i_number_of_entries
= i
;
4052 FIX_VARIABLE_LENGTH(p_tfra
->i_length_size_of_traf_num
);
4053 FIX_VARIABLE_LENGTH(p_tfra
->i_length_size_of_trun_num
);
4054 FIX_VARIABLE_LENGTH(p_tfra
->i_length_size_of_sample_num
);
4056 #ifdef MP4_ULTRA_VERBOSE
4057 for( i
= 0; i
< i_number_of_entries
; i
++ )
4059 if( p_tfra
->i_version
== 0 )
4061 msg_Dbg( p_stream
, "tfra[%"PRIu32
"] time[%"PRIu32
"]: %"PRIu32
", "
4062 "moof_offset[%"PRIu32
"]: %"PRIu32
"",
4064 i
, p_tfra
->p_time
[i
],
4065 i
, p_tfra
->p_moof_offset
[i
] );
4069 msg_Dbg( p_stream
, "tfra[%"PRIu32
"] time[%"PRIu32
"]: %"PRIu64
", "
4070 "moof_offset[%"PRIu32
"]: %"PRIu64
"",
4072 i
, ((uint64_t *)(p_tfra
->p_time
))[i
],
4073 i
, ((uint64_t *)(p_tfra
->p_moof_offset
))[i
] );
4078 msg_Dbg( p_stream
, "tfra[%"PRIu32
"] %"PRIu32
" entries",
4079 p_tfra
->i_track_ID
, i_number_of_entries
);
4082 MP4_READBOX_EXIT( 1 );
4084 MP4_READBOX_EXIT( 0 );
4086 #undef READ_VARIABLE_LENGTH
4087 #undef FIX_VARIABLE_LENGTH
4090 static int MP4_ReadBox_pnot( stream_t
*p_stream
, MP4_Box_t
*p_box
)
4092 if ( p_box
->i_size
!= 20 )
4094 MP4_READBOX_ENTER( MP4_Box_data_pnot_t
, NULL
);
4095 MP4_GET4BYTES( p_box
->data
.p_pnot
->i_date
);
4097 MP4_GET2BYTES( i_version
);
4098 if ( i_version
!= 0 )
4099 MP4_READBOX_EXIT( 0 );
4100 MP4_GETFOURCC( p_box
->data
.p_pnot
->i_type
);
4101 MP4_GET2BYTES( p_box
->data
.p_pnot
->i_index
);
4102 MP4_READBOX_EXIT( 1 );
4105 static int MP4_ReadBox_SA3D( stream_t
*p_stream
, MP4_Box_t
*p_box
)
4107 MP4_READBOX_ENTER( MP4_Box_data_SA3D_t
, NULL
);
4110 MP4_GET1BYTE( i_version
);
4111 if ( i_version
!= 0 )
4112 MP4_READBOX_EXIT( 0 );
4114 MP4_GET1BYTE( p_box
->data
.p_SA3D
->i_ambisonic_type
);
4115 MP4_GET4BYTES( p_box
->data
.p_SA3D
->i_ambisonic_order
);
4116 MP4_GET1BYTE( p_box
->data
.p_SA3D
->i_ambisonic_channel_ordering
);
4117 MP4_GET1BYTE( p_box
->data
.p_SA3D
->i_ambisonic_normalization
);
4118 MP4_GET4BYTES( p_box
->data
.p_SA3D
->i_num_channels
);
4119 MP4_READBOX_EXIT( 1 );
4123 static int MP4_ReadBox_default( stream_t
*p_stream
, MP4_Box_t
*p_box
)
4125 if( !p_box
->p_father
)
4129 if( p_box
->p_father
->i_type
== ATOM_stsd
)
4131 MP4_Box_t
*p_mdia
= MP4_BoxGet( p_box
, "../../../.." );
4134 if( p_mdia
== NULL
|| p_mdia
->i_type
!= ATOM_mdia
||
4135 (p_hdlr
= MP4_BoxGet( p_mdia
, "hdlr" )) == NULL
)
4139 switch( p_hdlr
->data
.p_hdlr
->i_handler_type
)
4142 return MP4_ReadBox_sample_soun( p_stream
, p_box
);
4144 return MP4_ReadBox_sample_vide( p_stream
, p_box
);
4146 return MP4_ReadBox_sample_hint8( p_stream
, p_box
);
4148 return MP4_ReadBox_sample_text( p_stream
, p_box
);
4151 return MP4_ReadBox_sample_tx3g( p_stream
, p_box
);
4154 "unknown handler type in stsd (incompletely loaded)" );
4160 if MP4_BOX_TYPE_ASCII()
4162 "unknown box type %4.4s (incompletely loaded)",
4163 (char*)&p_box
->i_type
);
4166 "unknown box type c%3.3s (incompletely loaded)",
4167 (char*)&p_box
->i_type
+1 );
4168 p_box
->e_flags
|= BOX_FLAG_INCOMPLETE
;
4173 /**** ------------------------------------------------------------------- ****/
4175 static int MP4_ReadBox_uuid( stream_t
*p_stream
, MP4_Box_t
*p_box
)
4177 if( !CmpUUID( &p_box
->i_uuid
, &TfrfBoxUUID
) )
4178 return MP4_ReadBox_tfrf( p_stream
, p_box
);
4179 if( !CmpUUID( &p_box
->i_uuid
, &TfxdBoxUUID
) )
4180 return MP4_ReadBox_tfxd( p_stream
, p_box
);
4181 if( !CmpUUID( &p_box
->i_uuid
, &XML360BoxUUID
) )
4182 return MP4_ReadBox_XML360( p_stream
, p_box
);
4183 if( !CmpUUID( &p_box
->i_uuid
, &PS3DDSBoxUUID
) && p_box
->i_size
== 28 )
4184 return MP4_ReadBox_Binary( p_stream
, p_box
);
4187 msg_Warn( p_stream
, "Unknown uuid type box: "
4188 "%2.2x%2.2x%2.2x%2.2x-%2.2x%2.2x-%2.2x%2.2x-"
4189 "%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x",
4190 p_box
->i_uuid
.b
[0], p_box
->i_uuid
.b
[1], p_box
->i_uuid
.b
[2], p_box
->i_uuid
.b
[3],
4191 p_box
->i_uuid
.b
[4], p_box
->i_uuid
.b
[5], p_box
->i_uuid
.b
[6], p_box
->i_uuid
.b
[7],
4192 p_box
->i_uuid
.b
[8], p_box
->i_uuid
.b
[9], p_box
->i_uuid
.b
[10], p_box
->i_uuid
.b
[11],
4193 p_box
->i_uuid
.b
[12], p_box
->i_uuid
.b
[13], p_box
->i_uuid
.b
[14], p_box
->i_uuid
.b
[15] );
4195 msg_Warn( p_stream
, "Unknown uuid type box" );
4200 /**** ------------------------------------------------------------------- ****/
4201 /**** "Higher level" Functions ****/
4202 /**** ------------------------------------------------------------------- ****/
4207 int (*MP4_ReadBox_function
)( stream_t
*p_stream
, MP4_Box_t
*p_box
);
4208 uint32_t i_parent
; /* set parent to restrict, duplicating if needed; 0 for any */
4209 } MP4_Box_Function
[] =
4212 { ATOM_moov
, MP4_ReadBoxContainer
, 0 },
4213 { ATOM_foov
, MP4_ReadBoxContainer
, 0 },
4214 { ATOM_trak
, MP4_ReadBoxContainer
, ATOM_moov
},
4215 { ATOM_trak
, MP4_ReadBoxContainer
, ATOM_foov
},
4216 { ATOM_mdia
, MP4_ReadBoxContainer
, ATOM_trak
},
4217 { ATOM_moof
, MP4_ReadBoxContainer
, 0 },
4218 { ATOM_minf
, MP4_ReadBoxContainer
, ATOM_mdia
},
4219 { ATOM_stbl
, MP4_ReadBoxContainer
, ATOM_minf
},
4220 { ATOM_dinf
, MP4_ReadBoxContainer
, ATOM_minf
},
4221 { ATOM_dinf
, MP4_ReadBoxContainer
, ATOM_meta
},
4222 { ATOM_edts
, MP4_ReadBoxContainer
, ATOM_trak
},
4223 { ATOM_udta
, MP4_ReadBoxContainer
, 0 },
4224 { ATOM_nmhd
, MP4_ReadBoxContainer
, ATOM_minf
},
4225 { ATOM_hnti
, MP4_ReadBoxContainer
, ATOM_udta
},
4226 { ATOM_rmra
, MP4_ReadBoxContainer
, ATOM_moov
},
4227 { ATOM_rmda
, MP4_ReadBoxContainer
, ATOM_rmra
},
4228 { ATOM_tref
, MP4_ReadBoxContainer
, ATOM_trak
},
4229 { ATOM_gmhd
, MP4_ReadBoxContainer
, ATOM_minf
},
4230 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_stsd
},
4231 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_mp4a
}, /* some quicktime mp4a/wave/mp4a.. */
4232 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_WMA2
}, /* flip4mac */
4233 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_in24
},
4234 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_in32
},
4235 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_fl32
},
4236 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_fl64
},
4237 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_QDMC
},
4238 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_QDM2
},
4239 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_XiFL
}, /* XiphQT */
4240 { ATOM_wave
, MP4_ReadBoxContainer
, ATOM_XiVs
}, /* XiphQT */
4241 { ATOM_ilst
, MP4_ReadBox_ilst
, ATOM_meta
},
4242 { ATOM_mvex
, MP4_ReadBoxContainer
, ATOM_moov
},
4243 { ATOM_mvex
, MP4_ReadBoxContainer
, ATOM_ftyp
},
4246 { ATOM_ftyp
, MP4_ReadBox_ftyp
, 0 },
4247 { ATOM_styp
, MP4_ReadBox_ftyp
, 0 },
4248 { ATOM_cmov
, MP4_ReadBox_cmov
, 0 },
4249 { ATOM_mvhd
, MP4_ReadBox_mvhd
, ATOM_moov
},
4250 { ATOM_mvhd
, MP4_ReadBox_mvhd
, ATOM_foov
},
4251 { ATOM_tkhd
, MP4_ReadBox_tkhd
, ATOM_trak
},
4252 { ATOM_load
, MP4_ReadBox_load
, ATOM_trak
},
4253 { ATOM_mdhd
, MP4_ReadBox_mdhd
, ATOM_mdia
},
4254 { ATOM_hdlr
, MP4_ReadBox_hdlr
, ATOM_mdia
},
4255 { ATOM_hdlr
, MP4_ReadBox_hdlr
, ATOM_meta
},
4256 { ATOM_hdlr
, MP4_ReadBox_hdlr
, ATOM_minf
},
4257 { ATOM_vmhd
, MP4_ReadBox_vmhd
, ATOM_minf
},
4258 { ATOM_smhd
, MP4_ReadBox_smhd
, ATOM_minf
},
4259 { ATOM_hmhd
, MP4_ReadBox_hmhd
, ATOM_minf
},
4260 { ATOM_alis
, MP4_ReadBoxSkip
, ATOM_dref
},
4261 { ATOM_url
, MP4_ReadBox_url
, 0 },
4262 { ATOM_urn
, MP4_ReadBox_urn
, 0 },
4263 { ATOM_dref
, MP4_ReadBox_LtdContainer
, 0 },
4264 { ATOM_stts
, MP4_ReadBox_stts
, ATOM_stbl
},
4265 { ATOM_ctts
, MP4_ReadBox_ctts
, ATOM_stbl
},
4266 { ATOM_cslg
, MP4_ReadBox_cslg
, ATOM_stbl
},
4267 { ATOM_stsd
, MP4_ReadBox_LtdContainer
, ATOM_stbl
},
4268 { ATOM_stsz
, MP4_ReadBox_stsz
, ATOM_stbl
},
4269 { ATOM_stsc
, MP4_ReadBox_stsc
, ATOM_stbl
},
4270 { ATOM_stco
, MP4_ReadBox_stco_co64
, ATOM_stbl
},
4271 { ATOM_co64
, MP4_ReadBox_stco_co64
, ATOM_stbl
},
4272 { ATOM_stss
, MP4_ReadBox_stss
, ATOM_stbl
},
4273 { ATOM_stsh
, MP4_ReadBox_stsh
, ATOM_stbl
},
4274 { ATOM_stdp
, MP4_ReadBox_stdp
, 0 },
4275 { ATOM_padb
, MP4_ReadBox_padb
, 0 },
4276 { ATOM_elst
, MP4_ReadBox_elst
, ATOM_edts
},
4277 { ATOM_cprt
, MP4_ReadBox_cprt
, 0 },
4278 { ATOM_esds
, MP4_ReadBox_esds
, ATOM_wave
}, /* mp4a in wave chunk */
4279 { ATOM_esds
, MP4_ReadBox_esds
, ATOM_mp4a
},
4280 { ATOM_esds
, MP4_ReadBox_esds
, ATOM_mp4v
},
4281 { ATOM_esds
, MP4_ReadBox_esds
, ATOM_mp4s
},
4282 { ATOM_dcom
, MP4_ReadBox_dcom
, 0 },
4283 { ATOM_dfLa
, MP4_ReadBox_Binary
, ATOM_fLaC
},
4284 { ATOM_cmvd
, MP4_ReadBox_cmvd
, 0 },
4285 { ATOM_avcC
, MP4_ReadBox_avcC
, ATOM_avc1
},
4286 { ATOM_avcC
, MP4_ReadBox_avcC
, ATOM_avc3
},
4287 { ATOM_hvcC
, MP4_ReadBox_Binary
, 0 },
4288 { ATOM_vpcC
, MP4_ReadBox_vpcC
, ATOM_vp08
},
4289 { ATOM_vpcC
, MP4_ReadBox_vpcC
, ATOM_vp09
},
4290 { ATOM_vpcC
, MP4_ReadBox_vpcC
, ATOM_vp10
},
4291 { ATOM_dac3
, MP4_ReadBox_dac3
, 0 },
4292 { ATOM_dec3
, MP4_ReadBox_dec3
, 0 },
4293 { ATOM_dvc1
, MP4_ReadBox_dvc1
, ATOM_vc1
},
4294 { ATOM_fiel
, MP4_ReadBox_fiel
, 0 },
4295 { ATOM_glbl
, MP4_ReadBox_Binary
, ATOM_FFV1
},
4296 { ATOM_enda
, MP4_ReadBox_enda
, 0 },
4297 { ATOM_iods
, MP4_ReadBox_iods
, 0 },
4298 { ATOM_pasp
, MP4_ReadBox_pasp
, 0 },
4299 { ATOM_btrt
, MP4_ReadBox_btrt
, 0 }, /* codecs bitrate stsd/????/btrt */
4300 { ATOM_keys
, MP4_ReadBox_keys
, ATOM_meta
},
4301 { ATOM_colr
, MP4_ReadBox_colr
, 0 },
4304 { ATOM_vCtH
, MP4_ReadBox_Binary
, ATOM_wave
},
4305 { ATOM_vCtC
, MP4_ReadBox_Binary
, ATOM_wave
},
4306 { ATOM_vCtd
, MP4_ReadBox_Binary
, ATOM_wave
},
4307 { ATOM_fCtS
, MP4_ReadBox_Binary
, ATOM_wave
},
4309 /* Samples groups specific information */
4310 { ATOM_sbgp
, MP4_ReadBox_sbgp
, ATOM_stbl
},
4311 { ATOM_sbgp
, MP4_ReadBox_sbgp
, ATOM_traf
},
4312 { ATOM_sgpd
, MP4_ReadBox_sgpd
, ATOM_stbl
},
4313 { ATOM_sgpd
, MP4_ReadBox_sgpd
, ATOM_traf
},
4315 /* Quicktime preview atoms, all at root */
4316 { ATOM_pnot
, MP4_ReadBox_pnot
, 0 },
4317 { ATOM_pict
, MP4_ReadBox_Binary
, 0 },
4318 { ATOM_PICT
, MP4_ReadBox_Binary
, 0 },
4320 /* Nothing to do with this box */
4321 { ATOM_mdat
, MP4_ReadBoxSkip
, 0 },
4322 { ATOM_skip
, MP4_ReadBoxSkip
, 0 },
4323 { ATOM_free
, MP4_ReadBoxSkip
, 0 },
4324 { ATOM_wide
, MP4_ReadBoxSkip
, 0 },
4325 { ATOM_binm
, MP4_ReadBoxSkip
, 0 },
4328 { ATOM_tx3g
, MP4_ReadBox_sample_tx3g
, 0 },
4329 { ATOM_c608
, MP4_ReadBox_sample_clcp
, ATOM_stsd
},
4330 //{ ATOM_text, MP4_ReadBox_sample_text, 0 },
4331 /* In sample WebVTT subtitle atoms. No ATOM_wvtt in normal parsing */
4332 { ATOM_vttc
, MP4_ReadBoxContainer
, ATOM_wvtt
},
4333 { ATOM_payl
, MP4_ReadBox_Binary
, ATOM_vttc
},
4336 { ATOM_soun
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4337 { ATOM_agsm
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4338 { ATOM_ac3
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4339 { ATOM_eac3
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4340 { ATOM_fLaC
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4341 { ATOM_lpcm
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4342 { ATOM_ms02
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4343 { ATOM_ms11
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4344 { ATOM_ms55
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4345 { ATOM__mp3
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4346 { ATOM_mp4a
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4347 { ATOM_twos
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4348 { ATOM_sowt
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4349 { ATOM_QDMC
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4350 { ATOM_QDM2
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4351 { ATOM_ima4
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4352 { ATOM_IMA4
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4353 { ATOM_dvi
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4354 { ATOM_alaw
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4355 { ATOM_ulaw
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4356 { ATOM_MAC3
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4357 { ATOM_MAC6
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4358 { ATOM_Qclp
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4359 { ATOM_samr
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4360 { ATOM_sawb
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4361 { ATOM_OggS
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4362 { ATOM_alac
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4363 { ATOM_WMA2
, MP4_ReadBox_sample_soun
, ATOM_stsd
}, /* flip4mac */
4364 { ATOM_wma
, MP4_ReadBox_sample_soun
, ATOM_stsd
}, /* ismv wmapro */
4365 { ATOM_Opus
, MP4_ReadBox_sample_soun
, ATOM_stsd
},
4366 /* Sound extensions */
4367 { ATOM_chan
, MP4_ReadBox_stsdext_chan
, 0 },
4368 { ATOM_WMA2
, MP4_ReadBox_WMA2
, ATOM_wave
}, /* flip4mac */
4369 { ATOM_dOps
, MP4_ReadBox_Binary
, ATOM_Opus
},
4370 { ATOM_wfex
, MP4_ReadBox_WMA2
, ATOM_wma
}, /* ismv formatex */
4372 /* Both uncompressed sound and video */
4373 { ATOM_raw
, MP4_ReadBox_default
, ATOM_stsd
},
4375 { ATOM_drmi
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4376 { ATOM_vide
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4377 { ATOM_mp4v
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4378 { ATOM_SVQ1
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4379 { ATOM_SVQ3
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4380 { ATOM_ZyGo
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4381 { ATOM_DIVX
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4382 { ATOM_XVID
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4383 { ATOM_h263
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4384 { ATOM_s263
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4385 { ATOM_cvid
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4386 { ATOM_3IV1
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4387 { ATOM_3iv1
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4388 { ATOM_3IV2
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4389 { ATOM_3iv2
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4390 { ATOM_3IVD
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4391 { ATOM_3ivd
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4392 { ATOM_3VID
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4393 { ATOM_3vid
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4394 { ATOM_FFV1
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4395 { ATOM_mjpa
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4396 { ATOM_mjpb
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4397 { ATOM_qdrw
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4398 { ATOM_mp2v
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4399 { ATOM_hdv2
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4400 { ATOM_WMV3
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4402 { ATOM_mjqt
, MP4_ReadBox_default
, 0 }, /* found in mjpa/b */
4403 { ATOM_mjht
, MP4_ReadBox_default
, 0 },
4405 { ATOM_dvc
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4406 { ATOM_dvp
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4407 { ATOM_dv5n
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4408 { ATOM_dv5p
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4409 { ATOM_VP31
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4410 { ATOM_vp31
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4411 { ATOM_h264
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4413 { ATOM_jpeg
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4414 { ATOM_vc1
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4415 { ATOM_avc1
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4416 { ATOM_avc3
, MP4_ReadBox_sample_vide
, ATOM_stsd
},
4418 { ATOM_rrtp
, MP4_ReadBox_sample_hint8
, ATOM_stsd
},
4420 { ATOM_yv12
, MP4_ReadBox_sample_vide
, 0 },
4421 { ATOM_yuv2
, MP4_ReadBox_sample_vide
, 0 },
4423 { ATOM_strf
, MP4_ReadBox_strf
, ATOM_WMV3
}, /* flip4mac */
4424 { ATOM_ASF
, MP4_ReadBox_ASF
, ATOM_WMV3
}, /* flip4mac */
4425 { ATOM_ASF
, MP4_ReadBox_ASF
, ATOM_wave
}, /* flip4mac */
4427 { ATOM_mp4s
, MP4_ReadBox_sample_mp4s
, ATOM_stsd
},
4429 /* XXX there is 2 box where we could find this entry stbl and tref*/
4430 { ATOM_hint
, MP4_ReadBox_default
, 0 },
4432 /* found in tref box */
4433 { ATOM_dpnd
, MP4_ReadBox_default
, 0 },
4434 { ATOM_ipir
, MP4_ReadBox_default
, 0 },
4435 { ATOM_mpod
, MP4_ReadBox_default
, 0 },
4436 { ATOM_chap
, MP4_ReadBox_tref_generic
, 0 },
4439 { ATOM_rtp
, MP4_ReadBox_rtp
, ATOM_hnti
},
4440 { ATOM_sdp
, MP4_ReadBox_sdp
, ATOM_hnti
},
4442 /* found in rrtp sample description */
4443 { ATOM_tims
, MP4_ReadBox_tims
, 0 },
4444 { ATOM_tsro
, MP4_ReadBox_tsro
, 0 },
4445 { ATOM_tssy
, MP4_ReadBox_tssy
, 0 },
4447 /* found in rmra/rmda */
4448 { ATOM_rdrf
, MP4_ReadBox_rdrf
, ATOM_rmda
},
4449 { ATOM_rmdr
, MP4_ReadBox_rmdr
, ATOM_rmda
},
4450 { ATOM_rmqu
, MP4_ReadBox_rmqu
, ATOM_rmda
},
4451 { ATOM_rmvc
, MP4_ReadBox_rmvc
, ATOM_rmda
},
4453 { ATOM_drms
, MP4_ReadBox_sample_soun
, 0 },
4454 { ATOM_sinf
, MP4_ReadBoxContainer
, 0 },
4455 { ATOM_schi
, MP4_ReadBoxContainer
, 0 },
4456 { ATOM_user
, MP4_ReadBox_drms
, 0 },
4457 { ATOM_key
, MP4_ReadBox_drms
, 0 },
4458 { ATOM_iviv
, MP4_ReadBox_drms
, 0 },
4459 { ATOM_priv
, MP4_ReadBox_drms
, 0 },
4460 { ATOM_frma
, MP4_ReadBox_frma
, ATOM_sinf
}, /* and rinf */
4461 { ATOM_frma
, MP4_ReadBox_frma
, ATOM_wave
}, /* flip4mac */
4462 { ATOM_skcr
, MP4_ReadBox_skcr
, 0 },
4464 /* ilst meta tags */
4465 { ATOM_0xa9ART
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4466 { ATOM_0xa9alb
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4467 { ATOM_0xa9cmt
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4468 { ATOM_0xa9com
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4469 { ATOM_0xa9cpy
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4470 { ATOM_0xa9day
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4471 { ATOM_0xa9des
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4472 { ATOM_0xa9enc
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4473 { ATOM_0xa9gen
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4474 { ATOM_0xa9grp
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4475 { ATOM_0xa9lyr
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4476 { ATOM_0xa9nam
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4477 { ATOM_0xa9too
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4478 { ATOM_0xa9trk
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4479 { ATOM_0xa9wrt
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4480 { ATOM_aART
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4481 { ATOM_atID
, MP4_ReadBox_Metadata
, ATOM_ilst
}, /* iTunes */
4482 { ATOM_cnID
, MP4_ReadBox_Metadata
, ATOM_ilst
}, /* iTunes */
4483 { ATOM_covr
, MP4_ReadBoxContainer
, ATOM_ilst
},
4484 { ATOM_desc
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4485 { ATOM_disk
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4486 { ATOM_flvr
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4487 { ATOM_gnre
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4488 { ATOM_rtng
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4489 { ATOM_trkn
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4490 { ATOM_xid_
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4491 { ATOM_gshh
, MP4_ReadBox_Metadata
, ATOM_ilst
}, /* YouTube gs?? */
4492 { ATOM_gspm
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4493 { ATOM_gspu
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4494 { ATOM_gssd
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4495 { ATOM_gsst
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4496 { ATOM_gstd
, MP4_ReadBox_Metadata
, ATOM_ilst
},
4497 { ATOM_ITUN
, MP4_ReadBox_Metadata
, ATOM_ilst
}, /* iTunesInfo */
4500 { ATOM_0x40PRM
, MP4_ReadBox_Binary
, ATOM_udta
},
4501 { ATOM_0x40PRQ
, MP4_ReadBox_Binary
, ATOM_udta
},
4502 { ATOM_0xa9ART
, MP4_ReadBox_Binary
, ATOM_udta
},
4503 { ATOM_0xa9alb
, MP4_ReadBox_Binary
, ATOM_udta
},
4504 { ATOM_0xa9ard
, MP4_ReadBox_Binary
, ATOM_udta
},
4505 { ATOM_0xa9arg
, MP4_ReadBox_Binary
, ATOM_udta
},
4506 { ATOM_0xa9aut
, MP4_ReadBox_Binary
, ATOM_udta
},
4507 { ATOM_0xa9cak
, MP4_ReadBox_Binary
, ATOM_udta
},
4508 { ATOM_0xa9cmt
, MP4_ReadBox_Binary
, ATOM_udta
},
4509 { ATOM_0xa9con
, MP4_ReadBox_Binary
, ATOM_udta
},
4510 { ATOM_0xa9com
, MP4_ReadBox_Binary
, ATOM_udta
},
4511 { ATOM_0xa9cpy
, MP4_ReadBox_Binary
, ATOM_udta
},
4512 { ATOM_0xa9day
, MP4_ReadBox_Binary
, ATOM_udta
},
4513 { ATOM_0xa9des
, MP4_ReadBox_Binary
, ATOM_udta
},
4514 { ATOM_0xa9dir
, MP4_ReadBox_Binary
, ATOM_udta
},
4515 { ATOM_0xa9dis
, MP4_ReadBox_Binary
, ATOM_udta
},
4516 { ATOM_0xa9dsa
, MP4_ReadBox_Binary
, ATOM_udta
},
4517 { ATOM_0xa9fmt
, MP4_ReadBox_Binary
, ATOM_udta
},
4518 { ATOM_0xa9gen
, MP4_ReadBox_Binary
, ATOM_udta
},
4519 { ATOM_0xa9grp
, MP4_ReadBox_Binary
, ATOM_udta
},
4520 { ATOM_0xa9hst
, MP4_ReadBox_Binary
, ATOM_udta
},
4521 { ATOM_0xa9inf
, MP4_ReadBox_Binary
, ATOM_udta
},
4522 { ATOM_0xa9isr
, MP4_ReadBox_Binary
, ATOM_udta
},
4523 { ATOM_0xa9lab
, MP4_ReadBox_Binary
, ATOM_udta
},
4524 { ATOM_0xa9lal
, MP4_ReadBox_Binary
, ATOM_udta
},
4525 { ATOM_0xa9lnt
, MP4_ReadBox_Binary
, ATOM_udta
},
4526 { ATOM_0xa9lyr
, MP4_ReadBox_Binary
, ATOM_udta
},
4527 { ATOM_0xa9mak
, MP4_ReadBox_Binary
, ATOM_udta
},
4528 { ATOM_0xa9mal
, MP4_ReadBox_Binary
, ATOM_udta
},
4529 { ATOM_0xa9mod
, MP4_ReadBox_Binary
, ATOM_udta
},
4530 { ATOM_0xa9nam
, MP4_ReadBox_Binary
, ATOM_udta
},
4531 { ATOM_0xa9ope
, MP4_ReadBox_Binary
, ATOM_udta
},
4532 { ATOM_0xa9phg
, MP4_ReadBox_Binary
, ATOM_udta
},
4533 { ATOM_0xa9PRD
, MP4_ReadBox_Binary
, ATOM_udta
},
4534 { ATOM_0xa9prd
, MP4_ReadBox_Binary
, ATOM_udta
},
4535 { ATOM_0xa9prf
, MP4_ReadBox_Binary
, ATOM_udta
},
4536 { ATOM_0xa9pub
, MP4_ReadBox_Binary
, ATOM_udta
},
4537 { ATOM_0xa9req
, MP4_ReadBox_Binary
, ATOM_udta
},
4538 { ATOM_0xa9sne
, MP4_ReadBox_Binary
, ATOM_udta
},
4539 { ATOM_0xa9snm
, MP4_ReadBox_Binary
, ATOM_udta
},
4540 { ATOM_0xa9sol
, MP4_ReadBox_Binary
, ATOM_udta
},
4541 { ATOM_0xa9src
, MP4_ReadBox_Binary
, ATOM_udta
},
4542 { ATOM_0xa9st3
, MP4_ReadBox_Binary
, ATOM_udta
},
4543 { ATOM_0xa9swr
, MP4_ReadBox_Binary
, ATOM_udta
},
4544 { ATOM_0xa9thx
, MP4_ReadBox_Binary
, ATOM_udta
},
4545 { ATOM_0xa9too
, MP4_ReadBox_Binary
, ATOM_udta
},
4546 { ATOM_0xa9trk
, MP4_ReadBox_Binary
, ATOM_udta
},
4547 { ATOM_0xa9url
, MP4_ReadBox_Binary
, ATOM_udta
},
4548 { ATOM_0xa9wrn
, MP4_ReadBox_Binary
, ATOM_udta
},
4549 { ATOM_0xa9xpd
, MP4_ReadBox_Binary
, ATOM_udta
},
4550 { ATOM_0xa9xyz
, MP4_ReadBox_Binary
, ATOM_udta
},
4551 { ATOM_chpl
, MP4_ReadBox_chpl
, ATOM_udta
}, /* nero unlabeled chapters list */
4552 { ATOM_MCPS
, MP4_ReadBox_Binary
, ATOM_udta
},
4553 { ATOM_name
, MP4_ReadBox_Binary
, ATOM_udta
},
4554 { ATOM_vndr
, MP4_ReadBox_Binary
, ATOM_udta
},
4555 { ATOM_SDLN
, MP4_ReadBox_Binary
, ATOM_udta
},
4556 { ATOM_HMMT
, MP4_ReadBox_HMMT
, ATOM_udta
}, /* GoPro HiLight tags */
4558 /* udta, non meta */
4559 { ATOM_tsel
, MP4_ReadBox_tsel
, ATOM_udta
},
4561 /* iTunes/Quicktime meta info */
4562 { ATOM_meta
, MP4_ReadBox_meta
, 0 },
4563 { ATOM_ID32
, MP4_ReadBox_Binary
, ATOM_meta
}, /* ID3v2 in 3GPP / ETSI TS 126 244 8.3 */
4564 { ATOM_data
, MP4_ReadBox_data
, 0 }, /* ilst/@too and others, ITUN/data */
4565 { ATOM_mean
, MP4_ReadBox_Binary
, ATOM_ITUN
},
4566 { ATOM_name
, MP4_ReadBox_Binary
, ATOM_ITUN
},
4568 /* found in smoothstreaming */
4569 { ATOM_traf
, MP4_ReadBoxContainer
, ATOM_moof
},
4570 { ATOM_mfra
, MP4_ReadBoxContainer
, 0 },
4571 { ATOM_mfhd
, MP4_ReadBox_mfhd
, ATOM_moof
},
4572 { ATOM_sidx
, MP4_ReadBox_sidx
, 0 },
4573 { ATOM_tfhd
, MP4_ReadBox_tfhd
, ATOM_traf
},
4574 { ATOM_trun
, MP4_ReadBox_trun
, ATOM_traf
},
4575 { ATOM_tfdt
, MP4_ReadBox_tfdt
, ATOM_traf
},
4576 { ATOM_trex
, MP4_ReadBox_trex
, ATOM_mvex
},
4577 { ATOM_mehd
, MP4_ReadBox_mehd
, ATOM_mvex
},
4578 { ATOM_sdtp
, MP4_ReadBox_sdtp
, 0 },
4579 { ATOM_tfra
, MP4_ReadBox_tfra
, ATOM_mfra
},
4580 { ATOM_mfro
, MP4_ReadBox_mfro
, ATOM_mfra
},
4581 { ATOM_uuid
, MP4_ReadBox_uuid
, 0 },
4583 /* spatial/360°/VR */
4584 { ATOM_st3d
, MP4_ReadBox_st3d
, ATOM_avc1
},
4585 { ATOM_st3d
, MP4_ReadBox_st3d
, ATOM_mp4v
},
4586 { ATOM_sv3d
, MP4_ReadBoxContainer
, ATOM_avc1
},
4587 { ATOM_sv3d
, MP4_ReadBoxContainer
, ATOM_mp4v
},
4588 { ATOM_proj
, MP4_ReadBoxContainer
, ATOM_sv3d
},
4589 { ATOM_prhd
, MP4_ReadBox_prhd
, ATOM_proj
},
4590 { ATOM_equi
, MP4_ReadBox_equi
, ATOM_proj
},
4591 { ATOM_cbmp
, MP4_ReadBox_cbmp
, ATOM_proj
},
4594 { ATOM_SA3D
, MP4_ReadBox_SA3D
, 0 },
4597 { 0, MP4_ReadBox_default
, 0 }
4600 static int MP4_Box_Read_Specific( stream_t
*p_stream
, MP4_Box_t
*p_box
, MP4_Box_t
*p_father
)
4604 for( i_index
= 0; ; i_index
++ )
4606 if ( MP4_Box_Function
[i_index
].i_parent
&&
4607 p_father
&& p_father
->i_type
!= MP4_Box_Function
[i_index
].i_parent
)
4610 if( ( MP4_Box_Function
[i_index
].i_type
== p_box
->i_type
)||
4611 ( MP4_Box_Function
[i_index
].i_type
== 0 ) )
4617 if( !(MP4_Box_Function
[i_index
].MP4_ReadBox_function
)( p_stream
, p_box
) )
4619 return VLC_EGENERIC
;
4625 static void MP4_Box_Clean_Specific( MP4_Box_t
*p_box
)
4627 if( p_box
->pf_free
)
4628 p_box
->pf_free( p_box
);
4631 /*****************************************************************************
4632 * MP4_ReadBox : parse the actual box and the children
4633 * XXX : Do not go to the next box
4634 *****************************************************************************/
4635 static MP4_Box_t
*MP4_ReadBox( stream_t
*p_stream
, MP4_Box_t
*p_father
)
4637 MP4_Box_t
*p_box
= calloc( 1, sizeof( MP4_Box_t
) ); /* Needed to ensure simple on error handler */
4641 if( !MP4_PeekBoxHeader( p_stream
, p_box
) )
4643 msg_Warn( p_stream
, "cannot read one box" );
4648 if( p_father
&& p_father
->i_size
> 0 &&
4649 p_father
->i_pos
+ p_father
->i_size
< p_box
->i_pos
+ p_box
->i_size
)
4651 msg_Dbg( p_stream
, "out of bound child" );
4656 if( !p_box
->i_size
)
4658 msg_Dbg( p_stream
, "found an empty box (null size)" );
4662 p_box
->p_father
= p_father
;
4664 if( MP4_Box_Read_Specific( p_stream
, p_box
, p_father
) != VLC_SUCCESS
)
4666 uint64_t i_end
= p_box
->i_pos
+ p_box
->i_size
;
4667 MP4_BoxFree( p_box
);
4668 MP4_Seek( p_stream
, i_end
); /* Skip the failed box */
4675 /*****************************************************************************
4676 * MP4_BoxNew : creates and initializes an arbitrary box
4677 *****************************************************************************/
4678 MP4_Box_t
* MP4_BoxNew( uint32_t i_type
)
4680 MP4_Box_t
*p_box
= calloc( 1, sizeof( MP4_Box_t
) );
4681 if( likely( p_box
!= NULL
) )
4683 p_box
->i_type
= i_type
;
4688 /*****************************************************************************
4689 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
4691 *****************************************************************************/
4692 void MP4_BoxFree( MP4_Box_t
*p_box
)
4699 for( p_child
= p_box
->p_first
; p_child
!= NULL
; )
4703 p_next
= p_child
->p_next
;
4704 MP4_BoxFree( p_child
);
4708 MP4_Box_Clean_Specific( p_box
);
4710 if( p_box
->data
.p_payload
)
4711 free( p_box
->data
.p_payload
);
4716 MP4_Box_t
*MP4_BoxGetNextChunk( stream_t
*s
)
4718 /* p_chunk is a virtual root container for the moof and mdat boxes */
4719 MP4_Box_t
*p_fakeroot
;
4720 MP4_Box_t
*p_tmp_box
;
4722 p_fakeroot
= MP4_BoxNew( ATOM_root
);
4723 if( unlikely( p_fakeroot
== NULL
) )
4725 p_fakeroot
->i_shortsize
= 1;
4727 const uint32_t stoplist
[] = { ATOM_moov
, ATOM_moof
, 0 };
4728 MP4_ReadBoxContainerChildren( s
, p_fakeroot
, stoplist
);
4730 p_tmp_box
= p_fakeroot
->p_first
;
4731 if( p_tmp_box
== NULL
)
4733 MP4_BoxFree( p_fakeroot
);
4736 else while( p_tmp_box
)
4738 p_fakeroot
->i_size
+= p_tmp_box
->i_size
;
4739 p_tmp_box
= p_tmp_box
->p_next
;
4745 /*****************************************************************************
4746 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
4747 *****************************************************************************
4748 * The first box is a virtual box "root" and is the father for all first
4749 * level boxes for the file, a sort of virtual contener
4750 *****************************************************************************/
4751 MP4_Box_t
*MP4_BoxGetRoot( stream_t
*p_stream
)
4755 MP4_Box_t
*p_vroot
= MP4_BoxNew( ATOM_root
);
4756 if( p_vroot
== NULL
)
4759 p_vroot
->i_shortsize
= 1;
4760 int64_t i_size
= stream_Size( p_stream
);
4762 p_vroot
->i_size
= i_size
;
4764 /* First get the moov */
4765 const uint32_t stoplist
[] = { ATOM_moov
, ATOM_mdat
, 0 };
4766 i_result
= MP4_ReadBoxContainerChildren( p_stream
, p_vroot
, stoplist
);
4768 /* mdat appeared first */
4769 if( i_result
&& !MP4_BoxGet( p_vroot
, "moov" ) )
4772 if( vlc_stream_Control( p_stream
, STREAM_CAN_SEEK
, &b_seekable
) != VLC_SUCCESS
|| !b_seekable
)
4774 msg_Err( p_stream
, "no moov before mdat and the stream is not seekable" );
4778 /* continue loading up to moov */
4779 const uint32_t stoplist
[] = { ATOM_moov
, 0 };
4780 i_result
= MP4_ReadBoxContainerChildren( p_stream
, p_vroot
, stoplist
);
4786 /* If there is a mvex box, it means fragmented MP4, and we're done */
4787 if( MP4_BoxCount( p_vroot
, "moov/mvex" ) > 0 )
4789 /* Read a bit more atoms as we might have an index between moov and moof */
4790 const uint32_t stoplist
[] = { ATOM_sidx
, 0 };
4791 const uint32_t excludelist
[] = { ATOM_moof
, ATOM_mdat
, 0 };
4792 MP4_ReadBoxContainerChildrenIndexed( p_stream
, p_vroot
, stoplist
, excludelist
, false );
4796 if( vlc_stream_Tell( p_stream
) + 8 < (uint64_t) stream_Size( p_stream
) )
4798 /* Get the rest of the file */
4799 i_result
= MP4_ReadBoxContainerChildren( p_stream
, p_vroot
, NULL
);
4808 /* check if there is a cmov, if so replace
4809 compressed moov by uncompressed one */
4810 if( ( ( p_moov
= MP4_BoxGet( p_vroot
, "moov" ) ) &&
4811 ( p_cmov
= MP4_BoxGet( p_vroot
, "moov/cmov" ) ) ) ||
4812 ( ( p_moov
= MP4_BoxGet( p_vroot
, "foov" ) ) &&
4813 ( p_cmov
= MP4_BoxGet( p_vroot
, "foov/cmov" ) ) ) )
4815 /* rename the compressed moov as a box to skip */
4816 p_moov
->i_type
= ATOM_skip
;
4818 /* get uncompressed p_moov */
4819 p_moov
= p_cmov
->data
.p_cmov
->p_moov
;
4820 p_cmov
->data
.p_cmov
->p_moov
= NULL
;
4822 /* make p_root father of this new moov */
4823 p_moov
->p_father
= p_vroot
;
4825 /* insert this new moov box as first child of p_root */
4826 p_moov
->p_next
= p_vroot
->p_first
;
4827 p_vroot
->p_first
= p_moov
;
4833 MP4_BoxFree( p_vroot
);
4834 MP4_Seek( p_stream
, 0 );
4839 static void MP4_BoxDumpStructure_Internal( stream_t
*s
, const MP4_Box_t
*p_box
,
4840 unsigned int i_level
)
4842 const MP4_Box_t
*p_child
;
4843 uint32_t i_displayedtype
= p_box
->i_type
;
4844 if( ! MP4_BOX_TYPE_ASCII() ) ((char*)&i_displayedtype
)[0] = 'c';
4848 msg_Dbg( s
, "dumping root Box \"%4.4s\"",
4849 (char*)&i_displayedtype
);
4854 if( i_level
>= (sizeof(str
) - 1)/4 )
4857 memset( str
, ' ', sizeof(str
) );
4858 for( unsigned i
= 0; i
< i_level
; i
++ )
4863 snprintf( &str
[i_level
* 4], sizeof(str
) - 4*i_level
,
4864 "+ %4.4s size %"PRIu64
" offset %" PRIuMAX
"%s",
4865 (char*)&i_displayedtype
, p_box
->i_size
,
4866 (uintmax_t)p_box
->i_pos
,
4867 p_box
->e_flags
& BOX_FLAG_INCOMPLETE
? " (\?\?\?\?)" : "" );
4868 msg_Dbg( s
, "%s", str
);
4870 p_child
= p_box
->p_first
;
4873 MP4_BoxDumpStructure_Internal( s
, p_child
, i_level
+ 1 );
4874 p_child
= p_child
->p_next
;
4878 void MP4_BoxDumpStructure( stream_t
*s
, const MP4_Box_t
*p_box
)
4880 MP4_BoxDumpStructure_Internal( s
, p_box
, 0 );
4884 /*****************************************************************************
4885 *****************************************************************************
4887 ** High level methods to acces an MP4 file
4889 *****************************************************************************
4890 *****************************************************************************/
4891 static bool get_token( char **ppsz_path
, char **ppsz_token
, int *pi_number
)
4894 if( !*ppsz_path
[0] )
4900 i_len
= strcspn( *ppsz_path
, "/[" );
4901 if( !i_len
&& **ppsz_path
== '/' )
4905 *ppsz_token
= strndup( *ppsz_path
, i_len
);
4906 if( unlikely(!*ppsz_token
) )
4909 *ppsz_path
+= i_len
;
4911 /* Parse the token number token[n] */
4912 if( **ppsz_path
== '[' )
4915 *pi_number
= strtol( *ppsz_path
, NULL
, 10 );
4916 while( **ppsz_path
&& **ppsz_path
!= ']' )
4920 if( **ppsz_path
== ']' )
4930 /* Forward to start of next token */
4931 while( **ppsz_path
== '/' )
4939 static void MP4_BoxGet_Internal( const MP4_Box_t
**pp_result
, const MP4_Box_t
*p_box
,
4940 const char *psz_fmt
, va_list args
)
4944 char *psz_token
= NULL
;
4952 if( vasprintf( &psz_path
, psz_fmt
, args
) == -1 )
4955 if( !psz_path
|| !psz_path
[0] )
4962 // fprintf( stderr, "path:'%s'\n", psz_path );
4963 psz_dup
= psz_path
; /* keep this pointer, as it need to be unallocated */
4968 if( !get_token( &psz_path
, &psz_token
, &i_number
) )
4970 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
4971 // psz_path,psz_token,i_number );
4979 if( !strcmp( psz_token
, "/" ) )
4982 while( p_box
&& p_box
->i_type
!= ATOM_root
)
4984 p_box
= p_box
->p_father
;
4992 if( !strcmp( psz_token
, "." ) )
4997 if( !strcmp( psz_token
, ".." ) )
4999 p_box
= p_box
->p_father
;
5006 if( strlen( psz_token
) == 4 )
5009 i_fourcc
= VLC_FOURCC( psz_token
[0], psz_token
[1],
5010 psz_token
[2], psz_token
[3] );
5011 p_box
= p_box
->p_first
;
5018 if( p_box
->i_type
== i_fourcc
)
5026 p_box
= p_box
->p_next
;
5030 if( *psz_token
== '\0' )
5032 p_box
= p_box
->p_first
;
5044 p_box
= p_box
->p_next
;
5049 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
5053 FREENULL( psz_token
);
5065 /*****************************************************************************
5066 * MP4_BoxGet: find a box given a path relative to p_box
5067 *****************************************************************************
5068 * Path Format: . .. / as usual
5069 * [number] to specifie box number ex: trak[12]
5071 * ex: /moov/trak[12]
5073 *****************************************************************************/
5074 MP4_Box_t
*MP4_BoxGet( const MP4_Box_t
*p_box
, const char *psz_fmt
, ... )
5077 const MP4_Box_t
*p_result
;
5079 va_start( args
, psz_fmt
);
5080 MP4_BoxGet_Internal( &p_result
, p_box
, psz_fmt
, args
);
5083 return( (MP4_Box_t
*) p_result
);
5086 /*****************************************************************************
5087 * MP4_BoxCount: count box given a path relative to p_box
5088 *****************************************************************************
5089 * Path Format: . .. / as usual
5090 * [number] to specifie box number ex: trak[12]
5092 * ex: /moov/trak[12]
5094 *****************************************************************************/
5095 unsigned MP4_BoxCount( const MP4_Box_t
*p_box
, const char *psz_fmt
, ... )
5099 const MP4_Box_t
*p_result
, *p_next
;
5101 va_start( args
, psz_fmt
);
5102 MP4_BoxGet_Internal( &p_result
, p_box
, psz_fmt
, args
);
5110 for( p_next
= p_result
->p_next
; p_next
!= NULL
; p_next
= p_next
->p_next
)
5112 if( p_next
->i_type
== p_result
->i_type
)