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 #define MP4_GETX_PRIVATE(dst, code, size) \
75 if( (i_read) >= (size) ) \
88 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
89 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
90 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
91 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
92 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
94 #define MP4_GET2BYTESLE( dst ) MP4_GETX_PRIVATE( dst, GetWLE(p_peek), 2 )
95 #define MP4_GET4BYTESLE( dst ) MP4_GETX_PRIVATE( dst, GetDWLE(p_peek), 4 )
96 #define MP4_GET8BYTESLE( dst ) MP4_GETX_PRIVATE( dst, GetQWLE(p_peek), 8 )
97 #define MP4_GETFOURCC( dst ) MP4_GET4BYTESLE( dst )
99 #define MP4_GETVERSIONFLAGS( p_void ) \
100 MP4_GET1BYTE( p_void->i_version ); \
101 MP4_GET3BYTES( p_void->i_flags )
103 static char *mp4_getstringz( uint8_t **restrict in, uint64_t *restrict size )
105 assert( *size <= SSIZE_MAX );
107 size_t len = strnlen( (const char *)*in, *size );
111 char *ret = malloc( len + 1 );
112 if( likely(ret != NULL) )
114 memcpy( ret, *in, len );
123 #define MP4_GETSTRINGZ( p_str ) \
125 (p_str) = mp4_getstringz( &p_peek, &i_read ); \
128 /* This macro is used when we want to printf the box type
129 * APPLE annotation box is :
130 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
131 * either 32-bit ASCII text string
133 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
135 static inline uint32_t Get24bBE( const uint8_t *p )
137 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
140 static inline void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
142 memcpy( p_uuid, p_buff, 16 );
145 static uint8_t *mp4_readbox_enter_common( stream_t *s, MP4_Box_t *box,
147 void (*release)( MP4_Box_t * ),
150 const size_t headersize = mp4_box_headersize( box );
152 if( unlikely(readsize < headersize) || unlikely(readsize > SSIZE_MAX) )
155 uint8_t *buf = malloc( readsize );
156 if( unlikely(buf == NULL) )
159 ssize_t val = vlc_stream_Read( s, buf, readsize );
160 if( (size_t)val != readsize )
162 msg_Warn( s, "mp4: wanted %"PRIu64" bytes, got %zd", readsize, val );
166 box->data.p_payload = malloc( typesize );
167 if( unlikely(box->data.p_payload == NULL) )
170 memset( box->data.p_payload, 0, typesize );
171 box->pf_free = release;
178 static uint8_t *mp4_readbox_enter_partial( stream_t *s, MP4_Box_t *box,
180 void (*release)( MP4_Box_t * ),
181 uint64_t *restrict readsize )
183 if( (uint64_t)*readsize > box->i_size )
184 *readsize = box->i_size;
186 return mp4_readbox_enter_common( s, box, typesize, release, *readsize );
189 static uint8_t *mp4_readbox_enter( stream_t *s, MP4_Box_t *box,
191 void (*release)( MP4_Box_t * ) )
193 uint64_t readsize = box->i_size;
194 return mp4_readbox_enter_common( s, box, typesize, release, readsize );
198 #define MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_TYPE_t, maxread, release ) \
199 uint64_t i_read = (maxread); \
200 uint8_t *p_buff = mp4_readbox_enter_partial( p_stream, p_box, \
201 sizeof( MP4_Box_data_TYPE_t ), release, &i_read ); \
202 if( unlikely(p_buff == NULL) ) \
204 const size_t header_size = mp4_box_headersize( p_box ); \
205 uint8_t *p_peek = p_buff + header_size; \
206 i_read -= header_size
208 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t, release ) \
209 uint8_t *p_buff = mp4_readbox_enter( p_stream, p_box, \
210 sizeof(MP4_Box_data_TYPE_t), release ); \
211 if( unlikely(p_buff == NULL) ) \
213 uint64_t i_read = p_box->i_size; \
214 const size_t header_size = mp4_box_headersize( p_box ); \
215 uint8_t *p_peek = p_buff + header_size; \
216 i_read -= header_size
218 #define MP4_READBOX_EXIT( i_code ) \
225 /*****************************************************************************
227 *****************************************************************************/
228 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
229 static int MP4_Box_Read_Specific( stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father );
230 static int MP4_PeekBoxHeader( stream_t *p_stream, MP4_Box_t *p_box );
232 int MP4_Seek( stream_t *p_stream, uint64_t i_pos )
234 bool b_canseek = false;
235 if ( vlc_stream_Control( p_stream, STREAM_CAN_SEEK, &b_canseek ) != VLC_SUCCESS ||
238 /* can seek or don't know */
239 return vlc_stream_Seek( p_stream, i_pos );
241 /* obviously can't seek then */
243 int64_t i_current_pos = vlc_stream_Tell( p_stream );
244 if ( i_current_pos < 0 || i_pos < (uint64_t)i_current_pos )
247 size_t i_toread = i_pos - i_current_pos;
250 else if( i_toread > (1<<17) )
253 if( vlc_stream_Read( p_stream, NULL, i_toread ) != (ssize_t)i_toread )
258 static void MP4_BoxAddChild( MP4_Box_t *p_parent, MP4_Box_t *p_childbox )
260 if( !p_parent->p_first )
261 p_parent->p_first = p_childbox;
263 p_parent->p_last->p_next = p_childbox;
264 p_parent->p_last = p_childbox;
265 p_childbox->p_father = p_parent;
268 MP4_Box_t * MP4_BoxExtract( MP4_Box_t **pp_chain, uint32_t i_type )
270 MP4_Box_t *p_box = *pp_chain;
273 if( p_box->i_type == i_type )
275 *pp_chain = p_box->p_next;
276 p_box->p_next = NULL;
279 pp_chain = &p_box->p_next;
280 p_box = p_box->p_next;
285 /* Don't use vlc_stream_Seek directly */
286 #undef vlc_stream_Seek
287 #define vlc_stream_Seek(a,b) __NO__
289 /*****************************************************************************
290 * MP4_PeekBoxHeader : Load only common parameters for all boxes
291 *****************************************************************************
292 * p_box need to be an already allocated MP4_Box_t, and all data
293 * will only be peek not read
295 * RETURN : 0 if it fail, 1 otherwise
296 *****************************************************************************/
297 static int MP4_PeekBoxHeader( stream_t *p_stream, MP4_Box_t *p_box )
300 const uint8_t *p_peek;
302 if( ( ( i_read = vlc_stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
306 p_box->i_pos = vlc_stream_Tell( p_stream );
308 p_box->data.p_payload = NULL;
309 p_box->p_father = NULL;
310 p_box->p_first = NULL;
311 p_box->p_last = NULL;
312 p_box->p_next = NULL;
314 MP4_GET4BYTES( p_box->i_shortsize );
315 MP4_GETFOURCC( p_box->i_type );
317 /* Now special case */
319 if( p_box->i_shortsize == 1 )
323 /* get the true size on 64 bits */
324 MP4_GET8BYTES( p_box->i_size );
328 p_box->i_size = p_box->i_shortsize;
329 /* XXX size of 0 means that the box extends to end of file */
332 if( UINT64_MAX - p_box->i_size < p_box->i_pos )
335 if( p_box->i_type == ATOM_uuid )
339 /* get extented type on 16 bytes */
340 GetUUID( &p_box->i_uuid, p_peek );
343 #ifdef MP4_ULTRA_VERBOSE
346 if MP4_BOX_TYPE_ASCII()
347 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64" %"PRId64,
348 (char*)&p_box->i_type, p_box->i_size, p_box->i_pos );
350 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
351 (char*)&p_box->i_type+1, p_box->i_size );
358 /*****************************************************************************
359 * MP4_ReadBoxRestricted : Reads box from current position
360 *****************************************************************************
361 * if p_box == NULL, box is invalid or failed, position undefined
362 * on success, position is past read box or EOF
363 *****************************************************************************/
364 static MP4_Box_t *MP4_ReadBoxRestricted( stream_t *p_stream, MP4_Box_t *p_father,
365 const uint32_t onlytypes[], const uint32_t nottypes[],
366 bool *pb_restrictionhit )
368 MP4_Box_t peekbox = { 0 };
369 if ( !MP4_PeekBoxHeader( p_stream, &peekbox ) )
372 if( peekbox.i_size < 8 )
374 msg_Warn( p_stream, "found an invalid sized %"PRIu64" box %4.4s @%"PRIu64 ,
375 peekbox.i_size, (char *) &peekbox.i_type, vlc_stream_Tell(p_stream) );
379 for( size_t i=0; nottypes && nottypes[i]; i++ )
381 if( nottypes[i] == peekbox.i_type )
383 *pb_restrictionhit = true;
388 for( size_t i=0; onlytypes && onlytypes[i]; i++ )
390 if( onlytypes[i] != peekbox.i_type )
392 *pb_restrictionhit = true;
397 /* if father's size == 0, it means unknown or infinite size,
398 * and we skip the followong check */
399 if( p_father && p_father->i_size > 0 )
401 const uint64_t i_box_next = peekbox.i_size + peekbox.i_pos;
402 const uint64_t i_father_next = p_father->i_size + p_father->i_pos;
403 /* check if it's within p-father */
404 if( i_box_next > i_father_next )
406 msg_Warn( p_stream, "out of bound child %4.4s", (char*) &peekbox.i_type );
407 return NULL; /* out of bound */
411 /* Everything seems OK */
412 MP4_Box_t *p_box = (MP4_Box_t *) malloc( sizeof(MP4_Box_t) );
417 const uint64_t i_next = p_box->i_pos + p_box->i_size;
418 p_box->p_father = p_father;
419 if( MP4_Box_Read_Specific( p_stream, p_box, p_father ) != VLC_SUCCESS )
421 msg_Warn( p_stream, "Failed reading box %4.4s", (char*) &peekbox.i_type );
422 MP4_BoxFree( p_box );
426 /* Check is we consumed all data */
427 if( vlc_stream_Tell( p_stream ) < i_next )
429 MP4_Seek( p_stream, i_next - 1 ); /* since past seek can fail when hitting EOF */
430 MP4_Seek( p_stream, i_next );
431 if( vlc_stream_Tell( p_stream ) < i_next - 1 ) /* Truncated box */
433 msg_Warn( p_stream, "truncated box %4.4s discarded", (char*) &peekbox.i_type );
434 MP4_BoxFree( p_box );
440 MP4_BoxAddChild( p_father, p_box );
445 /*****************************************************************************
446 * For all known box a loader is given,
447 * you have to be already read container header
448 * without container size, file position on exit is unknown
449 *****************************************************************************/
450 static int MP4_ReadBoxContainerChildrenIndexed( stream_t *p_stream,
451 MP4_Box_t *p_container, const uint32_t stoplist[],
452 const uint32_t excludelist[], bool b_indexed )
454 /* Size of root container is set to 0 when unknown, for exemple
455 * with a DASH stream. In that case, we skip the following check */
456 if( (p_container->i_size || p_container->p_father)
457 && ( vlc_stream_Tell( p_stream ) + ((b_indexed)?16:8) >
458 (uint64_t)(p_container->i_pos + p_container->i_size) )
461 /* there is no box to load */
465 uint64_t i_last_pos = 0; /* used to detect read failure loops */
466 const uint64_t i_end = p_container->i_pos + p_container->i_size;
467 MP4_Box_t *p_box = NULL;
468 bool b_onexclude = false;
473 if ( p_container->i_size )
475 const uint64_t i_tell = vlc_stream_Tell( p_stream );
476 if( i_tell + ((b_indexed)?16:8) >= i_end )
480 uint32_t i_index = 0;
484 if ( vlc_stream_Read( p_stream, read, 8 ) < 8 )
486 i_index = GetDWBE(&read[4]);
488 b_onexclude = false; /* If stopped due exclude list */
489 if( (p_box = MP4_ReadBoxRestricted( p_stream, p_container, NULL, excludelist, &b_onexclude )) )
492 p_box->i_index = i_index;
493 for(size_t i=0; stoplist && stoplist[i]; i++)
495 if( p_box->i_type == stoplist[i] )
500 const uint64_t i_tell = vlc_stream_Tell( p_stream );
501 if ( p_container->i_size && i_tell >= i_end )
503 assert( i_tell == i_end );
509 /* Continue with next if box fails to load */
510 if( i_last_pos == i_tell )
516 } while( b_continue );
518 /* Always move to end of container */
519 if ( !b_onexclude && p_container->i_size )
521 const uint64_t i_tell = vlc_stream_Tell( p_stream );
522 if ( i_tell != i_end )
523 MP4_Seek( p_stream, i_end );
529 int MP4_ReadBoxContainerRestricted( stream_t *p_stream, MP4_Box_t *p_container,
530 const uint32_t stoplist[], const uint32_t excludelist[] )
532 return MP4_ReadBoxContainerChildrenIndexed( p_stream, p_container,
533 stoplist, excludelist, false );
536 int MP4_ReadBoxContainerChildren( stream_t *p_stream, MP4_Box_t *p_container,
537 const uint32_t stoplist[] )
539 return MP4_ReadBoxContainerChildrenIndexed( p_stream, p_container,
540 stoplist, NULL, false );
543 static void MP4_BoxOffsetUp( MP4_Box_t *p_box, uint64_t i_offset )
547 p_box->i_pos += i_offset;
548 MP4_BoxOffsetUp( p_box->p_first, i_offset );
549 p_box = p_box->p_next;
553 /* Reads within an already read/in memory box (containers without having to seek) */
554 static int MP4_ReadBoxContainerRawInBox( stream_t *p_stream, MP4_Box_t *p_container,
555 uint8_t *p_buffer, uint64_t i_size, uint64_t i_offset )
559 stream_t *p_substream = vlc_stream_MemoryNew( p_stream, p_buffer, i_size,
563 MP4_Box_t *p_last = p_container->p_last;
564 MP4_ReadBoxContainerChildren( p_substream, p_container, NULL );
565 vlc_stream_Delete( p_substream );
569 MP4_Box_t *p_box = p_last ? p_last : p_container->p_first;
570 MP4_BoxOffsetUp(p_box, i_offset);
576 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
578 if( p_container->i_size &&
579 ( p_container->i_size <= (size_t)mp4_box_headersize(p_container ) + 8 ) )
581 /* container is empty, 8 stand for the first header in this box */
586 if ( MP4_Seek( p_stream, p_container->i_pos +
587 mp4_box_headersize( p_container ) ) )
589 return MP4_ReadBoxContainerChildren( p_stream, p_container, NULL );
592 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
594 /* XXX sometime moov is hidden in a free box */
595 if( p_box->p_father &&
596 p_box->p_father->i_type == ATOM_root &&
597 p_box->i_type == ATOM_free )
599 const uint8_t *p_peek;
600 size_t header_size = mp4_box_headersize( p_box ) + 4;
603 ssize_t i_read = vlc_stream_Peek( p_stream, &p_peek, 44 );
604 if( unlikely(i_read < (ssize_t)header_size) )
607 p_peek += header_size;
608 i_read -= header_size;
612 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
614 if( i_fcc == ATOM_cmov || i_fcc == ATOM_mvhd )
616 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
618 p_box->i_type = ATOM_foov;
619 return MP4_ReadBoxContainer( p_stream, p_box );
625 #ifdef MP4_ULTRA_VERBOSE
626 if MP4_BOX_TYPE_ASCII()
627 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
629 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
634 static int MP4_ReadBox_ilst( stream_t *p_stream, MP4_Box_t *p_box )
636 if( p_box->i_size < 8 || vlc_stream_Read( p_stream, NULL, 8 ) < 8 )
639 /* Find our handler */
640 if ( !p_box->i_handler && p_box->p_father )
642 const MP4_Box_t *p_sibling = p_box->p_father->p_first;
645 if ( p_sibling->i_type == ATOM_hdlr && p_sibling->data.p_hdlr )
647 p_box->i_handler = p_sibling->data.p_hdlr->i_handler_type;
650 p_sibling = p_sibling->p_next;
654 switch( p_box->i_handler )
657 msg_Warn( p_stream, "no handler for ilst atom" );
660 return MP4_ReadBoxContainerChildrenIndexed( p_stream, p_box, NULL, NULL, true );
662 return MP4_ReadBoxContainerChildren( p_stream, p_box, NULL );
664 msg_Warn( p_stream, "Unknown ilst handler type '%4.4s'", (char*)&p_box->i_handler );
669 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
671 free( p_box->data.p_ftyp->i_compatible_brands );
674 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
676 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t, MP4_FreeBox_ftyp );
678 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
679 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
681 p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4;
682 if( p_box->data.p_ftyp->i_compatible_brands_count > 0 )
684 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
685 vlc_alloc( p_box->data.p_ftyp->i_compatible_brands_count,
688 if( unlikely( tab == NULL ) )
689 MP4_READBOX_EXIT( 0 );
691 for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
693 MP4_GETFOURCC( tab[i] );
698 p_box->data.p_ftyp->i_compatible_brands = NULL;
701 MP4_READBOX_EXIT( 1 );
705 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
708 char s_creation_time[128];
709 char s_modification_time[128];
710 char s_duration[128];
712 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t, NULL );
714 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
716 if( p_box->data.p_mvhd->i_version )
718 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
719 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
720 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
721 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
725 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
726 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
727 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
728 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
730 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
731 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
732 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
735 for( unsigned i = 0; i < 2; i++ )
737 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
739 for( unsigned i = 0; i < 9; i++ )
741 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
743 for( unsigned i = 0; i < 6; i++ )
745 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
748 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
752 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
753 MP4_ConvertDate2Str( s_modification_time,
754 p_box->data.p_mvhd->i_modification_time, false );
755 if( p_box->data.p_mvhd->i_rate && p_box->data.p_mvhd->i_timescale )
757 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_timescale, true );
763 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
766 (uint32_t)p_box->data.p_mvhd->i_timescale,
768 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
769 (float)p_box->data.p_mvhd->i_volume / 256 ,
770 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
772 MP4_READBOX_EXIT( 1 );
775 static int MP4_ReadBox_mfhd( stream_t *p_stream, MP4_Box_t *p_box )
777 MP4_READBOX_ENTER( MP4_Box_data_mfhd_t, NULL );
779 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
781 MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
784 msg_Dbg( p_stream, "read box: \"mfhd\" sequence number %d",
785 p_box->data.p_mfhd->i_sequence_number );
787 MP4_READBOX_EXIT( 1 );
790 static int MP4_ReadBox_tfxd( stream_t *p_stream, MP4_Box_t *p_box )
792 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t, NULL );
794 MP4_Box_data_tfxd_t *p_tfxd_data = p_box->data.p_tfxd;
795 MP4_GETVERSIONFLAGS( p_tfxd_data );
797 if( p_tfxd_data->i_version == 0 )
799 MP4_GET4BYTES( p_tfxd_data->i_fragment_abs_time );
800 MP4_GET4BYTES( p_tfxd_data->i_fragment_duration );
804 MP4_GET8BYTES( p_tfxd_data->i_fragment_abs_time );
805 MP4_GET8BYTES( p_tfxd_data->i_fragment_duration );
809 msg_Dbg( p_stream, "read box: \"tfxd\" version %d, flags 0x%x, "\
810 "fragment duration %"PRIu64", fragment abs time %"PRIu64,
811 p_tfxd_data->i_version,
812 p_tfxd_data->i_flags,
813 p_tfxd_data->i_fragment_duration,
814 p_tfxd_data->i_fragment_abs_time
818 MP4_READBOX_EXIT( 1 );
821 static void MP4_FreeBox_tfrf( MP4_Box_t *p_box )
823 free( p_box->data.p_tfrf->p_tfrf_data_fields );
826 static int MP4_ReadBox_tfrf( stream_t *p_stream, MP4_Box_t *p_box )
828 MP4_READBOX_ENTER( MP4_Box_data_tfxd_t, MP4_FreeBox_tfrf );
830 MP4_Box_data_tfrf_t *p_tfrf_data = p_box->data.p_tfrf;
831 MP4_GETVERSIONFLAGS( p_tfrf_data );
833 MP4_GET1BYTE( p_tfrf_data->i_fragment_count );
835 p_tfrf_data->p_tfrf_data_fields = calloc( p_tfrf_data->i_fragment_count,
836 sizeof( TfrfBoxDataFields_t ) );
837 if( !p_tfrf_data->p_tfrf_data_fields )
838 MP4_READBOX_EXIT( 0 );
840 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
842 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
843 if( p_tfrf_data->i_version == 0 )
845 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_abs_time );
846 MP4_GET4BYTES( TfrfBoxDataField->i_fragment_duration );
850 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_abs_time );
851 MP4_GET8BYTES( TfrfBoxDataField->i_fragment_duration );
856 msg_Dbg( p_stream, "read box: \"tfrf\" version %d, flags 0x%x, "\
857 "fragment count %"PRIu8, p_tfrf_data->i_version,
858 p_tfrf_data->i_flags, p_tfrf_data->i_fragment_count );
860 for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
862 TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
863 msg_Dbg( p_stream, "\"tfrf\" fragment duration %"PRIu64", "\
864 "fragment abs time %"PRIu64,
865 TfrfBoxDataField->i_fragment_duration,
866 TfrfBoxDataField->i_fragment_abs_time );
871 MP4_READBOX_EXIT( 1 );
874 static int MP4_ReadBox_XML360( stream_t *p_stream, MP4_Box_t *p_box )
876 MP4_READBOX_ENTER( MP4_Box_data_360_t, NULL );
878 MP4_Box_data_360_t *p_360_data = p_box->data.p_360;
880 /* Copy the string for pattern matching as it does not end
881 with a '\0' in the stream. */
882 char *psz_rdf = strndup((char *)p_peek, i_read);
884 if ( unlikely( !psz_rdf ) )
885 MP4_READBOX_EXIT( 0 );
887 /* Try to find the string "GSpherical:Spherical" because the v1
888 spherical video spec says the tag must be there. */
890 if ( strcasestr( psz_rdf, "Gspherical:Spherical" ) )
891 p_360_data->i_projection_mode = PROJECTION_MODE_EQUIRECTANGULAR;
893 /* Try to find the stero mode. */
894 if ( strcasestr( psz_rdf, "left-right" ) )
896 msg_Dbg( p_stream, "Left-right stereo mode" );
897 p_360_data->e_stereo_mode = XML360_STEREOSCOPIC_LEFT_RIGHT;
900 if ( strcasestr( psz_rdf, "top-bottom" ) )
902 msg_Dbg( p_stream, "Top-bottom stereo mode" );
903 p_360_data->e_stereo_mode = XML360_STEREOSCOPIC_TOP_BOTTOM;
908 MP4_READBOX_EXIT( 1 );
911 static int MP4_ReadBox_st3d( stream_t *p_stream, MP4_Box_t *p_box )
913 MP4_READBOX_ENTER( MP4_Box_data_st3d_t, NULL );
916 MP4_GET1BYTE( i_version );
917 if ( i_version != 0 )
918 MP4_READBOX_EXIT( 0 );
921 VLC_UNUSED( i_flags );
922 MP4_GET3BYTES( i_flags );
924 MP4_Box_data_st3d_t *p_data = p_box->data.p_st3d;
925 MP4_GET1BYTE( p_data->i_stereo_mode );
927 MP4_READBOX_EXIT( 1 );
930 static int MP4_ReadBox_prhd( stream_t *p_stream, MP4_Box_t *p_box )
932 MP4_READBOX_ENTER( MP4_Box_data_prhd_t, NULL );
935 MP4_GET1BYTE( i_version );
937 MP4_READBOX_EXIT( 0 );
940 VLC_UNUSED( i_flags );
941 MP4_GET3BYTES( i_flags );
943 MP4_Box_data_prhd_t *p_data = p_box->data.p_prhd;
945 MP4_GET4BYTES( fixed16_16 );
946 p_data->f_pose_yaw_degrees = (float) fixed16_16 / 65536.0f;
948 MP4_GET4BYTES( fixed16_16 );
949 p_data->f_pose_pitch_degrees = (float) fixed16_16 / 65536.0f;
951 MP4_GET4BYTES( fixed16_16 );
952 p_data->f_pose_roll_degrees = (float) fixed16_16 / 65536.0f;
954 MP4_READBOX_EXIT( 1 );
957 static int MP4_ReadBox_equi( stream_t *p_stream, MP4_Box_t *p_box )
959 MP4_READBOX_ENTER( MP4_Box_data_equi_t, NULL );
962 MP4_GET1BYTE( i_version );
964 MP4_READBOX_EXIT( 0 );
967 VLC_UNUSED( i_flags );
968 MP4_GET3BYTES( i_flags );
970 MP4_Box_data_equi_t *p_data = p_box->data.p_equi;
971 MP4_GET4BYTES( p_data->i_projection_bounds_top );
972 MP4_GET4BYTES( p_data->i_projection_bounds_bottom );
973 MP4_GET4BYTES( p_data->i_projection_bounds_left );
974 MP4_GET4BYTES( p_data->i_projection_bounds_right );
976 MP4_READBOX_EXIT( 1 );
979 static int MP4_ReadBox_cbmp( stream_t *p_stream, MP4_Box_t *p_box )
981 MP4_READBOX_ENTER( MP4_Box_data_cbmp_t, NULL );
984 MP4_GET1BYTE( i_version );
986 MP4_READBOX_EXIT( 0 );
989 VLC_UNUSED( i_flags );
990 MP4_GET3BYTES( i_flags );
992 MP4_Box_data_cbmp_t *p_data = p_box->data.p_cbmp;
993 MP4_GET4BYTES( p_data->i_layout );
994 MP4_GET4BYTES( p_data->i_padding );
996 MP4_READBOX_EXIT( 1 );
999 static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
1001 free( p_box->data.p_sidx->p_items );
1004 static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
1006 MP4_READBOX_ENTER( MP4_Box_data_sidx_t, MP4_FreeBox_sidx );
1008 MP4_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
1009 MP4_GETVERSIONFLAGS( p_sidx_data );
1011 MP4_GET4BYTES( p_sidx_data->i_reference_ID );
1012 MP4_GET4BYTES( p_sidx_data->i_timescale );
1014 if( p_sidx_data->i_version == 0 )
1016 MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
1017 MP4_GET4BYTES( p_sidx_data->i_first_offset );
1021 MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
1022 MP4_GET8BYTES( p_sidx_data->i_first_offset );
1025 uint16_t i_reserved, i_count;
1027 VLC_UNUSED(i_reserved);
1028 MP4_GET2BYTES( i_reserved );
1029 MP4_GET2BYTES( i_count );
1031 p_sidx_data->i_reference_count = i_count;
1032 p_sidx_data->p_items = vlc_alloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
1033 if( unlikely(p_sidx_data->p_items == NULL) )
1034 MP4_READBOX_EXIT( 0 );
1036 for( unsigned i = 0; i < i_count; i++ )
1038 MP4_Box_sidx_item_t *item = p_sidx_data->p_items + i;
1041 MP4_GET4BYTES( tmp );
1042 item->b_reference_type = tmp >> 31;
1043 item->i_referenced_size = tmp & 0x7fffffff;
1044 MP4_GET4BYTES( item->i_subsegment_duration );
1046 MP4_GET4BYTES( tmp );
1047 item->b_starts_with_SAP = tmp >> 31;
1048 item->i_SAP_type = (tmp >> 24) & 0x70;
1049 item->i_SAP_delta_time = tmp & 0xfffffff;
1053 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
1054 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
1055 "first subsegmt duration %"PRIu32,
1056 p_sidx_data->i_version,
1057 p_sidx_data->i_flags,
1058 p_sidx_data->i_reference_ID,
1059 p_sidx_data->i_timescale,
1060 p_sidx_data->i_reference_count,
1061 p_sidx_data->p_items[0].i_subsegment_duration
1065 MP4_READBOX_EXIT( 1 );
1068 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
1070 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t, NULL );
1072 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
1074 if( p_box->data.p_tfhd->i_version != 0 )
1076 msg_Warn( p_stream, "'tfhd' box with version != 0. "\
1077 " Don't know what to do with that, please patch" );
1078 MP4_READBOX_EXIT( 0 );
1081 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
1083 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
1085 msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
1086 "=> no samples for this time interval." );
1087 p_box->data.p_tfhd->b_empty = true;
1090 p_box->data.p_tfhd->b_empty = false;
1092 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
1093 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
1094 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
1095 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
1096 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
1097 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
1098 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
1099 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
1100 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
1101 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
1104 char psz_base[128] = "\0";
1105 char psz_desc[128] = "\0";
1106 char psz_dura[128] = "\0";
1107 char psz_size[128] = "\0";
1108 char psz_flag[128] = "\0";
1109 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
1110 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
1111 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
1112 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
1113 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
1114 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
1115 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
1116 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
1117 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
1118 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
1120 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
1121 p_box->data.p_tfhd->i_version,
1122 p_box->data.p_tfhd->i_flags,
1123 p_box->data.p_tfhd->i_track_ID,
1124 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
1127 MP4_READBOX_EXIT( 1 );
1130 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
1132 free( p_box->data.p_trun->p_samples );
1135 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
1139 MP4_READBOX_ENTER( MP4_Box_data_trun_t, MP4_FreeBox_trun );
1140 MP4_Box_data_trun_t *p_trun = p_box->data.p_trun;
1141 MP4_GETVERSIONFLAGS( p_trun );
1142 MP4_GET4BYTES( count );
1144 if( p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
1145 MP4_GET4BYTES( p_trun->i_data_offset );
1146 if( p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
1147 MP4_GET4BYTES( p_trun->i_first_sample_flags );
1149 uint64_t i_entry_size =
1150 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION) +
1151 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE) +
1152 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS) +
1153 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET);
1155 if( i_entry_size * 4 * count > i_read )
1156 MP4_READBOX_EXIT( 0 );
1158 p_trun->p_samples = vlc_alloc( count, sizeof(MP4_descriptor_trun_sample_t) );
1159 if ( p_trun->p_samples == NULL )
1160 MP4_READBOX_EXIT( 0 );
1161 p_trun->i_sample_count = count;
1163 for( unsigned int i = 0; i < count; i++ )
1165 MP4_descriptor_trun_sample_t *p_sample = &p_trun->p_samples[i];
1166 if( p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
1167 MP4_GET4BYTES( p_sample->i_duration );
1168 if( p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
1169 MP4_GET4BYTES( p_sample->i_size );
1170 if( p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
1171 MP4_GET4BYTES( p_sample->i_flags );
1172 if( p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
1173 MP4_GET4BYTES( p_sample->i_composition_time_offset.v0 );
1176 #ifdef MP4_ULTRA_VERBOSE
1177 msg_Dbg( p_stream, "read box: \"trun\" version %u flags 0x%x sample count %"PRIu32,
1180 p_trun->i_sample_count );
1182 for( unsigned int i = 0; i < count; i++ )
1184 MP4_descriptor_trun_sample_t *p_sample = &p_trun->p_samples[i];
1185 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4u flags 0x%x "\
1186 "duration %"PRIu32" size %"PRIu32" composition time offset %"PRIu32,
1187 i, p_sample->i_flags, p_sample->i_duration,
1188 p_sample->i_size, p_sample->i_composition_time_offset );
1192 MP4_READBOX_EXIT( 1 );
1195 static int MP4_ReadBox_tfdt( stream_t *p_stream, MP4_Box_t *p_box )
1197 MP4_READBOX_ENTER( MP4_Box_data_tfdt_t, NULL );
1199 MP4_READBOX_EXIT( 0 );
1201 MP4_GETVERSIONFLAGS( p_box->data.p_tfdt );
1203 if( p_box->data.p_tfdt->i_version == 0 )
1204 MP4_GET4BYTES( p_box->data.p_tfdt->i_base_media_decode_time );
1205 else if( p_box->data.p_tfdt->i_version == 1 )
1206 MP4_GET8BYTES( p_box->data.p_tfdt->i_base_media_decode_time );
1208 MP4_READBOX_EXIT( 0 );
1210 MP4_READBOX_EXIT( 1 );
1213 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
1216 char s_creation_time[128];
1217 char s_modification_time[128];
1218 char s_duration[128];
1220 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t, NULL );
1222 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
1224 if( p_box->data.p_tkhd->i_version )
1226 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
1227 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
1228 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
1229 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
1230 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
1234 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
1235 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
1236 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
1237 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
1238 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
1241 for( unsigned i = 0; i < 2; i++ )
1243 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
1245 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
1246 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
1247 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
1248 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
1250 for( unsigned i = 0; i < 9; i++ )
1252 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
1254 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
1255 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
1257 double rotation = 0;//angle in degrees to be rotated clockwise
1258 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
1259 int32_t *matrix = p_box->data.p_tkhd->i_matrix;
1261 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
1262 conv_fx(matrix[3]) * conv_fx(matrix[3]));
1263 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
1264 conv_fx(matrix[4]) * conv_fx(matrix[4]));
1266 if( likely(scale[0] > 0 && scale[1] > 0) )
1268 rotation = atan2(conv_fx(matrix[1]) / scale[1],
1269 conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
1274 p_box->data.p_tkhd->f_rotation = rotation;
1277 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
1279 translate[0] = conv_fx(matrix[6]);
1280 translate[1] = conv_fx(matrix[7]);
1282 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
1283 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time, false );
1284 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration, true );
1286 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. "
1287 "Matrix: %i %i %i %i %i %i %i %i %i",
1289 s_modification_time,
1291 p_box->data.p_tkhd->i_track_ID,
1292 p_box->data.p_tkhd->i_layer,
1293 (float)p_box->data.p_tkhd->i_volume / 256 ,
1299 (float)p_box->data.p_tkhd->i_width / BLOCK16x16,
1300 (float)p_box->data.p_tkhd->i_height / BLOCK16x16,
1301 p_box->data.p_tkhd->i_matrix[0],
1302 p_box->data.p_tkhd->i_matrix[1],
1303 p_box->data.p_tkhd->i_matrix[2],
1304 p_box->data.p_tkhd->i_matrix[3],
1305 p_box->data.p_tkhd->i_matrix[4],
1306 p_box->data.p_tkhd->i_matrix[5],
1307 p_box->data.p_tkhd->i_matrix[6],
1308 p_box->data.p_tkhd->i_matrix[7],
1309 p_box->data.p_tkhd->i_matrix[8] );
1311 MP4_READBOX_EXIT( 1 );
1314 static int MP4_ReadBox_load( stream_t *p_stream, MP4_Box_t *p_box )
1316 if ( p_box->i_size != 24 )
1318 MP4_READBOX_ENTER( MP4_Box_data_load_t, NULL );
1319 MP4_GET4BYTES( p_box->data.p_load->i_start_time );
1320 MP4_GET4BYTES( p_box->data.p_load->i_duration );
1321 MP4_GET4BYTES( p_box->data.p_load->i_flags );
1322 MP4_GET4BYTES( p_box->data.p_load->i_hints );
1323 MP4_READBOX_EXIT( 1 );
1326 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
1328 uint16_t i_language;
1330 char s_creation_time[128];
1331 char s_modification_time[128];
1332 char s_duration[128];
1334 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t, NULL );
1336 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
1338 if( p_box->data.p_mdhd->i_version )
1340 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
1341 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
1342 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
1343 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
1347 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
1348 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
1349 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
1350 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
1353 MP4_GET2BYTES( i_language );
1354 decodeQtLanguageCode( i_language, p_box->data.p_mdhd->rgs_language,
1355 &p_box->data.p_mdhd->b_mac_encoding );
1357 MP4_GET2BYTES( p_box->data.p_mdhd->i_quality );
1360 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time, false );
1361 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time, false );
1362 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration, true );
1363 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %3.3s",
1365 s_modification_time,
1366 (uint32_t)p_box->data.p_mdhd->i_timescale,
1368 (char*) &p_box->data.p_mdhd->rgs_language );
1370 MP4_READBOX_EXIT( 1 );
1373 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
1375 free( p_box->data.p_hdlr->psz_name );
1378 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
1381 VLC_UNUSED(i_reserved);
1383 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t, MP4_FreeBox_hdlr );
1385 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
1387 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
1388 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
1390 MP4_GET4BYTES( i_reserved );
1391 MP4_GET4BYTES( i_reserved );
1392 MP4_GET4BYTES( i_reserved );
1393 p_box->data.p_hdlr->psz_name = NULL;
1395 if( i_read >= SSIZE_MAX )
1396 MP4_READBOX_EXIT( 0 );
1402 /* Yes, I love .mp4 :( */
1403 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
1407 MP4_GET1BYTE( i_len );
1408 i_copy = (i_len <= i_read) ? i_len : i_read;
1413 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_copy + 1 );
1414 if( unlikely( psz == NULL ) )
1415 MP4_READBOX_EXIT( 0 );
1417 memcpy( psz, p_peek, i_copy );
1418 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
1422 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
1423 (char*)&p_box->data.p_hdlr->i_handler_type,
1424 p_box->data.p_hdlr->psz_name );
1427 MP4_READBOX_EXIT( 1 );
1430 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
1432 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t, NULL );
1434 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
1436 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
1437 for( unsigned i = 0; i < 3; i++ )
1439 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
1443 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
1444 p_box->data.p_vmhd->i_graphics_mode,
1445 p_box->data.p_vmhd->i_opcolor[0],
1446 p_box->data.p_vmhd->i_opcolor[1],
1447 p_box->data.p_vmhd->i_opcolor[2] );
1449 MP4_READBOX_EXIT( 1 );
1452 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
1454 MP4_READBOX_ENTER( MP4_Box_data_smhd_t, NULL );
1456 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
1460 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
1462 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
1465 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
1466 (float)p_box->data.p_smhd->i_balance / 256 );
1468 MP4_READBOX_EXIT( 1 );
1472 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
1474 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t, NULL );
1476 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
1478 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
1479 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
1481 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
1482 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
1484 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1487 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1488 p_box->data.p_hmhd->i_max_PDU_size,
1489 p_box->data.p_hmhd->i_avg_PDU_size,
1490 p_box->data.p_hmhd->i_max_bitrate,
1491 p_box->data.p_hmhd->i_avg_bitrate );
1493 MP4_READBOX_EXIT( 1 );
1496 static void MP4_FreeBox_url( MP4_Box_t *p_box )
1498 free( p_box->data.p_url->psz_location );
1501 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
1503 MP4_READBOX_ENTER( MP4_Box_data_url_t, MP4_FreeBox_url );
1505 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1506 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1509 msg_Dbg( p_stream, "read box: \"url\" url: %s",
1510 p_box->data.p_url->psz_location );
1513 MP4_READBOX_EXIT( 1 );
1516 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
1518 free( p_box->data.p_urn->psz_name );
1519 free( p_box->data.p_urn->psz_location );
1522 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
1524 MP4_READBOX_ENTER( MP4_Box_data_urn_t, MP4_FreeBox_urn );
1526 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1528 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1529 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1532 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
1533 p_box->data.p_urn->psz_name,
1534 p_box->data.p_urn->psz_location );
1536 MP4_READBOX_EXIT( 1 );
1539 static int MP4_ReadBox_LtdContainer( stream_t *p_stream, MP4_Box_t *p_box )
1541 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_lcont_t, 16, NULL );
1543 MP4_READBOX_EXIT( 0 );
1545 MP4_GETVERSIONFLAGS( p_box->data.p_lcont );
1546 if( p_box->data.p_lcont->i_version != 0 )
1547 MP4_READBOX_EXIT( 0 );
1548 MP4_GET4BYTES( p_box->data.p_lcont->i_entry_count );
1550 uint32_t i_entry = 0;
1551 i_read = p_box->i_size - 16;
1552 while (i_read > 8 && i_entry < p_box->data.p_lcont->i_entry_count )
1554 MP4_Box_t *p_childbox = MP4_ReadBox( p_stream, p_box );
1557 MP4_BoxAddChild( p_box, p_childbox );
1559 i_read -= p_childbox->i_size;
1562 if (i_entry != p_box->data.p_lcont->i_entry_count)
1563 p_box->data.p_lcont->i_entry_count = i_entry;
1566 msg_Dbg( p_stream, "read box: \"%4.4s\" entry-count %d", (char *)&p_box->i_type,
1567 p_box->data.p_lcont->i_entry_count );
1571 if ( MP4_Seek( p_stream, p_box->i_pos + p_box->i_size ) )
1572 MP4_READBOX_EXIT( 0 );
1574 MP4_READBOX_EXIT( 1 );
1577 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1579 free( p_box->data.p_stts->pi_sample_count );
1580 free( p_box->data.p_stts->pi_sample_delta );
1583 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1587 MP4_READBOX_ENTER( MP4_Box_data_stts_t, MP4_FreeBox_stts );
1589 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1590 MP4_GET4BYTES( count );
1592 if( UINT64_C(8) * count > i_read )
1594 /*count = i_read / 8;*/
1595 MP4_READBOX_EXIT( 0 );
1598 p_box->data.p_stts->pi_sample_count = vlc_alloc( count, sizeof(uint32_t) );
1599 p_box->data.p_stts->pi_sample_delta = vlc_alloc( count, sizeof(int32_t) );
1600 p_box->data.p_stts->i_entry_count = count;
1602 if( p_box->data.p_stts->pi_sample_count == NULL
1603 || p_box->data.p_stts->pi_sample_delta == NULL )
1605 MP4_READBOX_EXIT( 0 );
1608 for( uint32_t i = 0; i < count; i++ )
1610 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_count[i] );
1611 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_delta[i] );
1615 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1616 p_box->data.p_stts->i_entry_count );
1619 MP4_READBOX_EXIT( 1 );
1623 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1625 free( p_box->data.p_ctts->pi_sample_count );
1626 free( p_box->data.p_ctts->pi_sample_offset );
1629 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1633 MP4_READBOX_ENTER( MP4_Box_data_ctts_t, MP4_FreeBox_ctts );
1635 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1636 MP4_GET4BYTES( count );
1638 if( UINT64_C(8) * count > i_read )
1639 MP4_READBOX_EXIT( 0 );
1641 p_box->data.p_ctts->pi_sample_count = vlc_alloc( count, sizeof(uint32_t) );
1642 p_box->data.p_ctts->pi_sample_offset = vlc_alloc( count, sizeof(int32_t) );
1643 if( unlikely(p_box->data.p_ctts->pi_sample_count == NULL
1644 || p_box->data.p_ctts->pi_sample_offset == NULL) )
1645 MP4_READBOX_EXIT( 0 );
1646 p_box->data.p_ctts->i_entry_count = count;
1648 for( uint32_t i = 0; i < count; i++ )
1650 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_count[i] );
1651 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_offset[i] );
1655 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %"PRIu32, count );
1658 MP4_READBOX_EXIT( 1 );
1661 static int MP4_ReadBox_cslg( stream_t *p_stream, MP4_Box_t *p_box )
1663 MP4_READBOX_ENTER( MP4_Box_data_cslg_t, NULL );
1665 unsigned i_version, i_flags;
1666 MP4_GET1BYTE( i_version );
1667 MP4_GET3BYTES( i_flags );
1668 VLC_UNUSED(i_flags);
1671 MP4_READBOX_EXIT( 0 );
1673 #define READ_CSLG(readbytes) {\
1674 readbytes( p_box->data.p_cslg->ct_to_dts_shift );\
1675 readbytes( p_box->data.p_cslg->i_least_delta );\
1676 readbytes( p_box->data.p_cslg->i_max_delta );\
1677 readbytes( p_box->data.p_cslg->i_composition_starttime );\
1678 readbytes( p_box->data.p_cslg->i_composition_endtime ); }
1680 if( i_version == 0 )
1681 READ_CSLG(MP4_GET4BYTES)
1683 READ_CSLG(MP4_GET8BYTES)
1685 MP4_READBOX_EXIT( 1 );
1688 static uint64_t MP4_ReadLengthDescriptor( uint8_t **restrict bufp,
1689 uint64_t *restrict lenp )
1691 unsigned char *buf = *bufp;
1692 uint64_t len = *lenp;
1698 if (unlikely(len == 0))
1699 return -1; /* end of bit stream */
1700 if (unlikely(value > (UINT64_MAX >> 7)))
1701 return -1; /* integer overflow */
1705 value = (value << 7) + (b & 0x7f);
1715 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1717 free( p_box->data.p_esds->es_descriptor.psz_URL );
1718 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1720 free( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1721 free( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1725 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1727 #define es_descriptor p_box->data.p_esds->es_descriptor
1729 unsigned int i_flags;
1730 unsigned int i_type;
1732 MP4_READBOX_ENTER( MP4_Box_data_esds_t, MP4_FreeBox_esds );
1734 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1737 MP4_GET1BYTE( i_type );
1738 if( i_type == 0x03 ) /* MP4ESDescrTag ISO/IEC 14496-1 8.3.3 */
1740 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1741 if( unlikely(i_len == UINT64_C(-1)) )
1742 MP4_READBOX_EXIT( 0 );
1745 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%"PRIu64" bytes)",
1749 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1750 MP4_GET1BYTE( i_flags );
1751 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1752 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1753 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1755 es_descriptor.i_stream_priority = i_flags&0x1f;
1756 if( es_descriptor.b_stream_dependence )
1758 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1760 if( es_descriptor.b_url && i_read > 0 )
1764 MP4_GET1BYTE( i_url );
1765 if( i_url > i_read )
1766 MP4_READBOX_EXIT( 1 );
1767 es_descriptor.psz_URL = malloc( (unsigned) i_url + 1 );
1768 if( es_descriptor.psz_URL )
1770 memcpy( es_descriptor.psz_URL, p_peek, i_url );
1771 es_descriptor.psz_URL[i_url] = 0;
1778 es_descriptor.psz_URL = NULL;
1780 if( es_descriptor.b_OCRstream )
1782 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1784 MP4_GET1BYTE( i_type ); /* get next type */
1787 if( i_type != 0x04)/* MP4DecConfigDescrTag ISO/IEC 14496-1 8.3.4 */
1789 es_descriptor.p_decConfigDescr = NULL;
1790 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1793 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1794 if( unlikely(i_len == UINT64_C(-1)) )
1795 MP4_READBOX_EXIT( 0 );
1797 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%"PRIu64" bytes)",
1801 es_descriptor.p_decConfigDescr =
1802 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1803 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1804 MP4_READBOX_EXIT( 0 );
1806 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectProfileIndication );
1807 MP4_GET1BYTE( i_flags );
1808 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1809 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1810 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1811 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1812 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1813 MP4_GET1BYTE( i_type );
1814 if( i_type != 0x05 )/* MP4DecSpecificDescrTag ISO/IEC 14496-1 8.3.5 */
1816 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1817 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1818 MP4_READBOX_EXIT( 1 );
1821 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1822 if( unlikely(i_len == UINT64_C(-1)) )
1823 MP4_READBOX_EXIT( 0 );
1825 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%"PRIu64" bytes)",
1828 if( i_len > i_read )
1829 MP4_READBOX_EXIT( 0 );
1831 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1832 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1833 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1834 MP4_READBOX_EXIT( 0 );
1836 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1839 MP4_READBOX_EXIT( 1 );
1840 #undef es_descriptor
1843 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1845 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1847 free( p_avcC->p_avcC );
1851 for( int i = 0; i < p_avcC->i_sps; i++ )
1852 free( p_avcC->sps[i] );
1853 free( p_avcC->sps );
1855 free( p_avcC->i_sps_length );
1859 for( int i = 0; i < p_avcC->i_pps; i++ )
1860 free( p_avcC->pps[i] );
1861 free( p_avcC->pps );
1863 free( p_avcC->i_pps_length );
1866 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1868 MP4_Box_data_avcC_t *p_avcC;
1871 MP4_READBOX_ENTER( MP4_Box_data_avcC_t, MP4_FreeBox_avcC );
1872 p_avcC = p_box->data.p_avcC;
1874 p_avcC->i_avcC = i_read;
1875 if( p_avcC->i_avcC > 0 )
1877 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1879 memcpy( p, p_peek, i_read );
1882 MP4_GET1BYTE( p_avcC->i_version );
1883 MP4_GET1BYTE( p_avcC->i_profile );
1884 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1885 MP4_GET1BYTE( p_avcC->i_level );
1886 MP4_GET1BYTE( p_avcC->i_reserved1 );
1887 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1888 p_avcC->i_reserved1 >>= 2;
1890 MP4_GET1BYTE( p_avcC->i_reserved2 );
1891 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1892 p_avcC->i_reserved2 >>= 5;
1894 if( p_avcC->i_sps > 0 )
1896 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1897 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1899 if( !p_avcC->i_sps_length || !p_avcC->sps )
1902 for( i = 0; i < p_avcC->i_sps && i_read > 2; i++ )
1904 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1905 if ( p_avcC->i_sps_length[i] > i_read )
1907 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1908 if( p_avcC->sps[i] )
1909 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1911 p_peek += p_avcC->i_sps_length[i];
1912 i_read -= p_avcC->i_sps_length[i];
1914 if ( i != p_avcC->i_sps )
1918 MP4_GET1BYTE( p_avcC->i_pps );
1919 if( p_avcC->i_pps > 0 )
1921 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1922 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1924 if( !p_avcC->i_pps_length || !p_avcC->pps )
1927 for( i = 0; i < p_avcC->i_pps && i_read > 2; i++ )
1929 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1930 if( p_avcC->i_pps_length[i] > i_read )
1932 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1933 if( p_avcC->pps[i] )
1934 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1936 p_peek += p_avcC->i_pps_length[i];
1937 i_read -= p_avcC->i_pps_length[i];
1939 if ( i != p_avcC->i_pps )
1944 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1945 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1946 p_avcC->i_length_size,
1947 p_avcC->i_sps, p_avcC->i_pps );
1948 for( i = 0; i < p_avcC->i_sps; i++ )
1950 msg_Dbg( p_stream, " - sps[%d] length=%d",
1951 i, p_avcC->i_sps_length[i] );
1953 for( i = 0; i < p_avcC->i_pps; i++ )
1955 msg_Dbg( p_stream, " - pps[%d] length=%d",
1956 i, p_avcC->i_pps_length[i] );
1960 MP4_READBOX_EXIT( 1 );
1963 MP4_FreeBox_avcC( p_box );
1964 MP4_READBOX_EXIT( 0 );
1967 static void MP4_FreeBox_vpcC( MP4_Box_t *p_box )
1969 free( p_box->data.p_vpcC->p_codec_init_data );
1972 static int MP4_ReadBox_vpcC( stream_t *p_stream, MP4_Box_t *p_box )
1974 MP4_READBOX_ENTER( MP4_Box_data_vpcC_t, MP4_FreeBox_vpcC );
1975 MP4_Box_data_vpcC_t *p_vpcC = p_box->data.p_vpcC;
1977 if( p_box->i_size < 6 )
1978 MP4_READBOX_EXIT( 0 );
1981 MP4_GET1BYTE( i_version );
1982 if( i_version != 0 )
1983 MP4_READBOX_EXIT( 0 );
1985 MP4_GET1BYTE( p_vpcC->i_profile );
1986 MP4_GET1BYTE( p_vpcC->i_level );
1987 MP4_GET1BYTE( p_vpcC->i_bit_depth );
1988 p_vpcC->i_color_space = p_vpcC->i_bit_depth & 0x0F;
1989 p_vpcC->i_bit_depth >>= 4;
1990 MP4_GET1BYTE( p_vpcC->i_chroma_subsampling );
1991 p_vpcC->i_xfer_function = ( p_vpcC->i_chroma_subsampling & 0x0F ) >> 1;
1992 p_vpcC->i_fullrange = p_vpcC->i_chroma_subsampling & 0x01;
1993 p_vpcC->i_chroma_subsampling >>= 4;
1994 MP4_GET2BYTES( p_vpcC->i_codec_init_datasize );
1995 if( p_vpcC->i_codec_init_datasize > i_read )
1996 p_vpcC->i_codec_init_datasize = i_read;
1998 if( p_vpcC->i_codec_init_datasize )
2000 p_vpcC->p_codec_init_data = malloc( i_read );
2001 if( !p_vpcC->p_codec_init_data )
2002 MP4_READBOX_EXIT( 0 );
2003 memcpy( p_vpcC->p_codec_init_data, p_peek, i_read );
2006 MP4_READBOX_EXIT( 1 );
2009 static void MP4_FreeBox_WMA2( MP4_Box_t *p_box )
2011 free( p_box->data.p_WMA2->p_extra );
2014 static int MP4_ReadBox_WMA2( stream_t *p_stream, MP4_Box_t *p_box )
2016 MP4_READBOX_ENTER( MP4_Box_data_WMA2_t, MP4_FreeBox_WMA2 );
2018 MP4_Box_data_WMA2_t *p_WMA2 = p_box->data.p_WMA2;
2020 MP4_GET2BYTESLE( p_WMA2->Format.wFormatTag );
2021 MP4_GET2BYTESLE( p_WMA2->Format.nChannels );
2022 MP4_GET4BYTESLE( p_WMA2->Format.nSamplesPerSec );
2023 MP4_GET4BYTESLE( p_WMA2->Format.nAvgBytesPerSec );
2024 MP4_GET2BYTESLE( p_WMA2->Format.nBlockAlign );
2025 MP4_GET2BYTESLE( p_WMA2->Format.wBitsPerSample );
2028 MP4_GET2BYTESLE( i_cbSize );
2030 if( i_cbSize > i_read )
2033 p_WMA2->i_extra = i_cbSize;
2034 if ( p_WMA2->i_extra )
2036 p_WMA2->p_extra = malloc( p_WMA2->i_extra );
2037 if ( ! p_WMA2->p_extra )
2039 memcpy( p_WMA2->p_extra, p_peek, p_WMA2->i_extra );
2042 MP4_READBOX_EXIT( 1 );
2045 MP4_READBOX_EXIT( 0 );
2048 static void MP4_FreeBox_strf( MP4_Box_t *p_box )
2050 free( p_box->data.p_strf->p_extra );
2053 static int MP4_ReadBox_strf( stream_t *p_stream, MP4_Box_t *p_box )
2055 MP4_READBOX_ENTER( MP4_Box_data_strf_t, MP4_FreeBox_strf );
2057 MP4_Box_data_strf_t *p_strf = p_box->data.p_strf;
2062 MP4_GET4BYTESLE( p_strf->bmiHeader.biSize );
2063 MP4_GET4BYTESLE( p_strf->bmiHeader.biWidth );
2064 MP4_GET4BYTESLE( p_strf->bmiHeader.biHeight );
2065 MP4_GET2BYTESLE( p_strf->bmiHeader.biPlanes );
2066 MP4_GET2BYTESLE( p_strf->bmiHeader.biBitCount );
2067 MP4_GETFOURCC( p_strf->bmiHeader.biCompression );
2068 MP4_GET4BYTESLE( p_strf->bmiHeader.biSizeImage );
2069 MP4_GET4BYTESLE( p_strf->bmiHeader.biXPelsPerMeter );
2070 MP4_GET4BYTESLE( p_strf->bmiHeader.biYPelsPerMeter );
2071 MP4_GET4BYTESLE( p_strf->bmiHeader.biClrUsed );
2072 MP4_GET4BYTESLE( p_strf->bmiHeader.biClrImportant );
2074 p_strf->i_extra = i_read;
2075 if ( p_strf->i_extra )
2077 p_strf->p_extra = malloc( p_strf->i_extra );
2078 if ( ! p_strf->p_extra )
2080 memcpy( p_strf->p_extra, p_peek, i_read );
2083 MP4_READBOX_EXIT( 1 );
2086 MP4_READBOX_EXIT( 0 );
2089 static int MP4_ReadBox_ASF( stream_t *p_stream, MP4_Box_t *p_box )
2091 MP4_READBOX_ENTER( MP4_Box_data_ASF_t, NULL );
2093 MP4_Box_data_ASF_t *p_asf = p_box->data.p_asf;
2096 MP4_READBOX_EXIT( 0 );
2098 MP4_GET1BYTE( p_asf->i_stream_number );
2099 /* remaining is unknown */
2101 MP4_READBOX_EXIT( 1 );
2104 static void MP4_FreeBox_sbgp( MP4_Box_t *p_box )
2106 MP4_Box_data_sbgp_t *p_sbgp = p_box->data.p_sbgp;
2107 free( p_sbgp->entries.pi_sample_count );
2108 free( p_sbgp->entries.pi_group_description_index );
2111 static int MP4_ReadBox_sbgp( stream_t *p_stream, MP4_Box_t *p_box )
2113 MP4_READBOX_ENTER( MP4_Box_data_sbgp_t, MP4_FreeBox_sbgp );
2114 MP4_Box_data_sbgp_t *p_sbgp = p_box->data.p_sbgp;
2118 MP4_READBOX_EXIT( 0 );
2120 MP4_GET1BYTE( p_sbgp->i_version );
2121 MP4_GET3BYTES( i_flags );
2123 MP4_READBOX_EXIT( 0 );
2125 MP4_GETFOURCC( p_sbgp->i_grouping_type );
2127 if( p_sbgp->i_version == 1 )
2130 MP4_READBOX_EXIT( 0 );
2131 MP4_GET4BYTES( p_sbgp->i_grouping_type_parameter );
2134 MP4_GET4BYTES( p_sbgp->i_entry_count );
2135 if( p_sbgp->i_entry_count > i_read / (4 + 4) )
2136 p_sbgp->i_entry_count = i_read / (4 + 4);
2138 p_sbgp->entries.pi_sample_count = vlc_alloc( p_sbgp->i_entry_count, sizeof(uint32_t) );
2139 p_sbgp->entries.pi_group_description_index = vlc_alloc( p_sbgp->i_entry_count, sizeof(uint32_t) );
2141 if( !p_sbgp->entries.pi_sample_count || !p_sbgp->entries.pi_group_description_index )
2143 MP4_FreeBox_sbgp( p_box );
2144 MP4_READBOX_EXIT( 0 );
2147 for( uint32_t i=0; i<p_sbgp->i_entry_count; i++ )
2149 MP4_GET4BYTES( p_sbgp->entries.pi_sample_count[i] );
2150 MP4_GET4BYTES( p_sbgp->entries.pi_group_description_index[i] );
2155 "read box: \"sbgp\" grouping type %4.4s", (char*) &p_sbgp->i_grouping_type );
2156 #ifdef MP4_ULTRA_VERBOSE
2157 for (uint32_t i = 0; i < p_sbgp->i_entry_count; i++)
2158 msg_Dbg( p_stream, "\t samples %" PRIu32 " group %" PRIu32,
2159 p_sbgp->entries.pi_sample_count[i],
2160 p_sbgp->entries.pi_group_description_index[i] );
2164 MP4_READBOX_EXIT( 1 );
2167 static void MP4_FreeBox_sgpd( MP4_Box_t *p_box )
2169 MP4_Box_data_sgpd_t *p_sgpd = p_box->data.p_sgpd;
2170 free( p_sgpd->p_entries );
2173 static int MP4_ReadBox_sgpd( stream_t *p_stream, MP4_Box_t *p_box )
2175 MP4_READBOX_ENTER( MP4_Box_data_sgpd_t, MP4_FreeBox_sgpd );
2176 MP4_Box_data_sgpd_t *p_sgpd = p_box->data.p_sgpd;
2178 uint32_t i_default_length = 0;
2181 MP4_READBOX_EXIT( 0 );
2183 MP4_GET1BYTE( p_sgpd->i_version );
2184 MP4_GET3BYTES( i_flags );
2186 MP4_READBOX_EXIT( 0 );
2188 MP4_GETFOURCC( p_sgpd->i_grouping_type );
2190 switch( p_sgpd->i_grouping_type )
2192 case SAMPLEGROUP_rap:
2198 "read box: \"sgpd\" grouping type %4.4s (unimplemented)", (char*) &p_sgpd->i_grouping_type );
2200 MP4_READBOX_EXIT( 1 );
2203 if( p_sgpd->i_version == 1 )
2206 MP4_READBOX_EXIT( 0 );
2207 MP4_GET4BYTES( i_default_length );
2209 else if( p_sgpd->i_version >= 2 )
2212 MP4_READBOX_EXIT( 0 );
2213 MP4_GET4BYTES( p_sgpd->i_default_sample_description_index );
2216 MP4_GET4BYTES( p_sgpd->i_entry_count );
2218 p_sgpd->p_entries = vlc_alloc( p_sgpd->i_entry_count, sizeof(*p_sgpd->p_entries) );
2219 if( !p_sgpd->p_entries )
2220 MP4_READBOX_EXIT( 0 );
2223 for( ; i<p_sgpd->i_entry_count; i++ )
2225 uint32_t i_description_length = i_default_length;
2226 if( p_sgpd->i_version == 1 && i_default_length == 0 )
2230 MP4_GET4BYTES( i_description_length );
2233 if( p_sgpd->i_version == 1 && i_read < i_description_length )
2236 switch( p_sgpd->i_grouping_type )
2238 case SAMPLEGROUP_rap:
2242 p_sgpd->i_entry_count = 0;
2243 MP4_FreeBox_sgpd( p_box );
2244 MP4_READBOX_EXIT( 0 );
2247 MP4_GET1BYTE( i_data );
2248 p_sgpd->p_entries[i].rap.i_num_leading_samples_known = i_data & 0x80;
2249 p_sgpd->p_entries[i].rap.i_num_leading_samples = i_data & 0x7F;
2258 if( i != p_sgpd->i_entry_count )
2259 p_sgpd->i_entry_count = i;
2263 "read box: \"sgpd\" grouping type %4.4s", (char*) &p_sgpd->i_grouping_type );
2266 MP4_READBOX_EXIT( 1 );
2269 static void MP4_FreeBox_stsdext_chan( MP4_Box_t *p_box )
2271 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
2272 free( p_chan->layout.p_descriptions );
2275 static int MP4_ReadBox_stsdext_chan( stream_t *p_stream, MP4_Box_t *p_box )
2277 MP4_READBOX_ENTER( MP4_Box_data_chan_t, MP4_FreeBox_stsdext_chan );
2278 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
2281 MP4_READBOX_EXIT( 0 );
2283 MP4_GET1BYTE( p_chan->i_version );
2284 MP4_GET3BYTES( p_chan->i_channels_flags );
2285 MP4_GET4BYTES( p_chan->layout.i_channels_layout_tag );
2286 MP4_GET4BYTES( p_chan->layout.i_channels_bitmap );
2287 MP4_GET4BYTES( p_chan->layout.i_channels_description_count );
2289 size_t i_descsize = 8 + 3 * sizeof(float);
2290 if ( i_read < p_chan->layout.i_channels_description_count * i_descsize )
2291 MP4_READBOX_EXIT( 0 );
2293 p_chan->layout.p_descriptions =
2294 vlc_alloc( p_chan->layout.i_channels_description_count, i_descsize );
2296 if ( !p_chan->layout.p_descriptions )
2297 MP4_READBOX_EXIT( 0 );
2300 for( i=0; i<p_chan->layout.i_channels_description_count; i++ )
2304 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_label );
2305 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_flags );
2306 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[0] );
2307 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[1] );
2308 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[2] );
2310 if ( i<p_chan->layout.i_channels_description_count )
2311 p_chan->layout.i_channels_description_count = i;
2315 "read box: \"chan\" flags=0x%x tag=0x%x bitmap=0x%x descriptions=%u",
2316 p_chan->i_channels_flags, p_chan->layout.i_channels_layout_tag,
2317 p_chan->layout.i_channels_bitmap, p_chan->layout.i_channels_description_count );
2319 MP4_READBOX_EXIT( 1 );
2322 static int MP4_ReadBox_dec3( stream_t *p_stream, MP4_Box_t *p_box )
2324 MP4_READBOX_ENTER( MP4_Box_data_dec3_t, NULL );
2326 MP4_Box_data_dec3_t *p_dec3 = p_box->data.p_dec3;
2329 MP4_GET2BYTES( i_header );
2331 p_dec3->i_data_rate = i_header >> 3;
2332 p_dec3->i_num_ind_sub = (i_header & 0x7) + 1;
2333 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++) {
2334 MP4_GET3BYTES( i_header );
2335 p_dec3->stream[i].i_fscod = ( i_header >> 22 ) & 0x03;
2336 p_dec3->stream[i].i_bsid = ( i_header >> 17 ) & 0x01f;
2337 p_dec3->stream[i].i_bsmod = ( i_header >> 12 ) & 0x01f;
2338 p_dec3->stream[i].i_acmod = ( i_header >> 9 ) & 0x07;
2339 p_dec3->stream[i].i_lfeon = ( i_header >> 8 ) & 0x01;
2340 p_dec3->stream[i].i_num_dep_sub = (i_header >> 1) & 0x0f;
2341 if (p_dec3->stream[i].i_num_dep_sub) {
2342 MP4_GET1BYTE( p_dec3->stream[i].i_chan_loc );
2343 p_dec3->stream[i].i_chan_loc |= (i_header & 1) << 8;
2345 p_dec3->stream[i].i_chan_loc = 0;
2350 "read box: \"dec3\" bitrate %dkbps %d independent substreams",
2351 p_dec3->i_data_rate, p_dec3->i_num_ind_sub);
2353 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++)
2355 "\tstream %d: bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x "
2356 "num dependent subs=%d chan_loc=0x%x",
2357 i, p_dec3->stream[i].i_bsid, p_dec3->stream[i].i_bsmod, p_dec3->stream[i].i_acmod,
2358 p_dec3->stream[i].i_lfeon, p_dec3->stream[i].i_num_dep_sub, p_dec3->stream[i].i_chan_loc );
2360 MP4_READBOX_EXIT( 1 );
2363 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
2365 MP4_Box_data_dac3_t *p_dac3;
2366 MP4_READBOX_ENTER( MP4_Box_data_dac3_t, NULL );
2368 p_dac3 = p_box->data.p_dac3;
2371 MP4_GET3BYTES( i_header );
2373 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
2374 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
2375 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
2376 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
2377 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
2378 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
2382 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
2383 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 );
2385 MP4_READBOX_EXIT( 1 );
2388 static void MP4_FreeBox_dvc1( MP4_Box_t *p_box )
2390 free( p_box->data.p_dvc1->p_vc1 );
2393 static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
2395 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t, MP4_FreeBox_dvc1 );
2397 MP4_READBOX_EXIT( 0 );
2399 MP4_Box_data_dvc1_t *p_dvc1 = p_box->data.p_dvc1;
2400 MP4_GET1BYTE( p_dvc1->i_profile_level );
2401 p_dvc1->i_vc1 = i_read; /* Header + profile_level */
2402 if( p_dvc1->i_vc1 > 0 && (p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 )) )
2403 memcpy( p_dvc1->p_vc1, p_peek, i_read );
2407 "read box: \"dvc1\" profile=%"PRIu8, (p_dvc1->i_profile_level & 0xf0) >> 4 );
2410 MP4_READBOX_EXIT( 1 );
2413 static int MP4_ReadBox_fiel( stream_t *p_stream, MP4_Box_t *p_box )
2415 MP4_Box_data_fiel_t *p_fiel;
2416 MP4_READBOX_ENTER( MP4_Box_data_fiel_t, NULL );
2417 p_fiel = p_box->data.p_fiel;
2419 MP4_READBOX_EXIT( 0 );
2422 p_fiel->i_flags = BLOCK_FLAG_SINGLE_FIELD;
2424 else if(p_peek[0] == 2) /* Interlaced */
2427 * 0 – There is only one field.
2428 * 1 – T is displayed earliest, T is stored first in the file.
2429 * 6 – B is displayed earliest, B is stored first in the file.
2430 * 9 – B is displayed earliest, T is stored first in the file.
2431 * 14 – T is displayed earliest, B is stored first in the file.
2433 if(p_peek[1] == 1 || p_peek[1] == 9)
2434 p_fiel->i_flags = BLOCK_FLAG_TOP_FIELD_FIRST;
2435 else if(p_peek[1] == 6 || p_peek[1] == 14)
2436 p_fiel->i_flags = BLOCK_FLAG_BOTTOM_FIELD_FIRST;
2438 MP4_READBOX_EXIT( 1 );
2441 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
2443 MP4_Box_data_enda_t *p_enda;
2444 MP4_READBOX_ENTER( MP4_Box_data_enda_t, NULL );
2446 p_enda = p_box->data.p_enda;
2448 MP4_GET2BYTES( p_enda->i_little_endian );
2452 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
2454 MP4_READBOX_EXIT( 1 );
2457 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
2459 free( p_box->data.p_sample_soun->p_qt_description );
2462 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
2464 p_box->i_handler = ATOM_soun;
2465 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t, MP4_FreeBox_sample_soun );
2466 p_box->data.p_sample_soun->p_qt_description = NULL;
2468 size_t i_actually_read = i_read + header_size;
2470 /* Sanity check needed because the "wave" box does also contain an
2471 * "mp4a" box that we don't understand. */
2474 MP4_READBOX_EXIT( 1 );
2477 for( unsigned i = 0; i < 6 ; i++ )
2479 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
2482 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
2485 * XXX hack -> produce a copy of the nearly complete chunk
2487 p_box->data.p_sample_soun->i_qt_description = 0;
2488 p_box->data.p_sample_soun->p_qt_description = NULL;
2491 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
2492 if( p_box->data.p_sample_soun->p_qt_description )
2494 p_box->data.p_sample_soun->i_qt_description = i_read;
2495 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
2499 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
2500 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
2501 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
2503 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
2504 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
2505 MP4_GET2BYTES( p_box->data.p_sample_soun->i_compressionid );
2506 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
2507 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
2508 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
2512 "read box: \"soun\" stsd qt_version %"PRIu16" compid=%"PRIx16,
2513 p_box->data.p_sample_soun->i_qt_version,
2514 p_box->data.p_sample_soun->i_compressionid );
2517 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
2519 /* SoundDescriptionV1 */
2520 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
2521 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
2522 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
2523 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
2527 "read box: \"soun\" V1 sample/packet=%d bytes/packet=%d "
2528 "bytes/frame=%d bytes/sample=%d",
2529 p_box->data.p_sample_soun->i_sample_per_packet,
2530 p_box->data.p_sample_soun->i_bytes_per_packet,
2531 p_box->data.p_sample_soun->i_bytes_per_frame,
2532 p_box->data.p_sample_soun->i_bytes_per_sample );
2536 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
2538 /* SoundDescriptionV2 */
2539 double f_sample_rate;
2541 uint32_t i_channel, i_extoffset, i_dummy32;
2544 if ( p_box->data.p_sample_soun->i_channelcount != 0x3 ||
2545 p_box->data.p_sample_soun->i_samplesize != 0x0010 ||
2546 p_box->data.p_sample_soun->i_compressionid != 0xFFFE ||
2547 p_box->data.p_sample_soun->i_reserved3 != 0x0 ||
2548 p_box->data.p_sample_soun->i_sampleratehi != 0x1 ||//65536
2549 p_box->data.p_sample_soun->i_sampleratelo != 0x0 ) //remainder
2551 msg_Err( p_stream, "invalid stsd V2 box defaults" );
2552 MP4_READBOX_EXIT( 0 );
2556 MP4_GET4BYTES( i_extoffset ); /* offset to stsd extentions */
2557 MP4_GET8BYTES( i_dummy64 );
2558 memcpy( &f_sample_rate, &i_dummy64, 8 );
2559 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
2560 /* Rounding error with lo, but we don't care since we do not support fractional audio rate */
2561 p_box->data.p_sample_soun->i_sampleratehi = (uint32_t)f_sample_rate;
2562 p_box->data.p_sample_soun->i_sampleratelo = (f_sample_rate - p_box->data.p_sample_soun->i_sampleratehi);
2564 MP4_GET4BYTES( i_channel );
2565 p_box->data.p_sample_soun->i_channelcount = i_channel;
2567 MP4_GET4BYTES( i_dummy32 );
2568 if ( i_dummy32 != 0x7F000000 )
2570 msg_Err( p_stream, "invalid stsd V2 box" );
2571 MP4_READBOX_EXIT( 0 );
2574 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbitsperchannel );
2575 MP4_GET4BYTES( p_box->data.p_sample_soun->i_formatflags );
2576 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbytesperaudiopacket );
2577 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
2580 msg_Dbg( p_stream, "read box: \"soun\" V2 rate=%f bitsperchannel=%u "
2581 "flags=%u bytesperpacket=%u lpcmframesperpacket=%u",
2583 p_box->data.p_sample_soun->i_constbitsperchannel,
2584 p_box->data.p_sample_soun->i_formatflags,
2585 p_box->data.p_sample_soun->i_constbytesperaudiopacket,
2586 p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
2589 if( i_extoffset > i_actually_read )
2590 i_extoffset = i_actually_read;
2591 p_peek = &p_buff[i_extoffset];
2592 i_read = i_actually_read - i_extoffset;
2596 p_box->data.p_sample_soun->i_sample_per_packet = 0;
2597 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
2598 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
2599 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
2602 msg_Dbg( p_stream, "read box: \"soun\" V0 or qt1/2 (rest=%"PRIu64")",
2608 if( p_box->i_type == ATOM_drms )
2610 msg_Warn( p_stream, "DRM protected streams are not supported." );
2611 MP4_READBOX_EXIT( 0 );
2614 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
2616 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
2617 p_box->data.p_sample_soun->i_channelcount = 1;
2620 /* Loads extensions */
2621 MP4_ReadBoxContainerRawInBox( p_stream, p_box, p_peek, i_read,
2622 p_box->i_pos + p_peek - p_buff ); /* esds/wave/... */
2625 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
2626 "sample size %d sample rate %f",
2627 p_box->data.p_sample_soun->i_channelcount,
2628 p_box->data.p_sample_soun->i_samplesize,
2629 (float)p_box->data.p_sample_soun->i_sampleratehi +
2630 (float)p_box->data.p_sample_soun->i_sampleratelo / BLOCK16x16 );
2633 MP4_READBOX_EXIT( 1 );
2636 static void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
2638 free( p_box->data.p_sample_vide->p_qt_image_description );
2641 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
2643 p_box->i_handler = ATOM_vide;
2644 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t, MP4_FreeBox_sample_vide );
2646 size_t i_actually_read = i_read + header_size;
2648 for( unsigned i = 0; i < 6 ; i++ )
2650 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
2653 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
2656 * XXX hack -> produce a copy of the nearly complete chunk
2660 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
2661 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
2662 MP4_READBOX_EXIT( 0 );
2663 p_box->data.p_sample_vide->i_qt_image_description = i_read;
2664 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
2669 p_box->data.p_sample_vide->i_qt_image_description = 0;
2670 p_box->data.p_sample_vide->p_qt_image_description = NULL;
2673 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
2674 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
2675 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
2677 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
2678 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
2680 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
2681 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
2683 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
2684 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
2686 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
2687 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
2690 MP4_READBOX_EXIT( 0 );
2691 if( p_peek[0] <= 31 ) // Must be Pascal String
2693 memcpy( &p_box->data.p_sample_vide->sz_compressorname, &p_peek[1], p_peek[0] );
2694 p_box->data.p_sample_vide->sz_compressorname[p_peek[0]] = 0;
2696 p_peek += 32; i_read -= 32;
2698 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
2699 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
2701 if( p_box->i_type == ATOM_drmi )
2703 msg_Warn( p_stream, "DRM protected streams are not supported." );
2704 MP4_READBOX_EXIT( 0 );
2707 if( i_actually_read > 78 && p_peek - p_buff > 78 )
2709 MP4_ReadBoxContainerRawInBox( p_stream, p_box, p_peek, i_read,
2710 p_box->i_pos + p_peek - p_buff );
2714 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d (%s)",
2715 p_box->data.p_sample_vide->i_width,
2716 p_box->data.p_sample_vide->i_height,
2717 p_box->data.p_sample_vide->i_depth,
2718 p_box->data.p_sample_vide->sz_compressorname );
2721 MP4_READBOX_EXIT( 1 );
2724 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
2726 p_box->i_handler = ATOM_text;
2727 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_sample_text_t, 16, NULL );
2730 MP4_READBOX_EXIT( 0 );
2732 MP4_ReadBoxContainerChildren( p_stream, p_box, NULL );
2734 if ( MP4_Seek( p_stream, p_box->i_pos + p_box->i_size ) )
2735 MP4_READBOX_EXIT( 0 );
2737 MP4_READBOX_EXIT( 1 );
2740 static void MP4_FreeBox_sample_hint( MP4_Box_t *p_box )
2742 free( p_box->data.p_sample_hint->p_data );
2745 static int MP4_ReadBox_sample_hint8( stream_t *p_stream, MP4_Box_t *p_box )
2747 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_sample_hint_t, 24, MP4_FreeBox_sample_hint );
2749 for( unsigned i = 0; i < 6 ; i++ )
2751 MP4_GET1BYTE( p_box->data.p_sample_hint->i_reserved1[i] );
2754 MP4_GET2BYTES( p_box->data.p_sample_hint->i_data_reference_index );
2756 if( !(p_box->data.p_sample_hint->p_data = malloc(8)) )
2757 MP4_READBOX_EXIT( 0 );
2759 MP4_GET8BYTES( *(p_box->data.p_sample_hint->p_data) );
2761 MP4_ReadBoxContainerChildren(p_stream, p_box, NULL);
2763 if ( MP4_Seek( p_stream, p_box->i_pos + p_box->i_size ) )
2764 MP4_READBOX_EXIT( 0 );
2766 MP4_READBOX_EXIT( 1 );
2769 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
2773 p_box->i_handler = ATOM_text;
2774 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t, NULL );
2776 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2777 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2779 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2781 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2786 /* FIXME search right signification */
2788 p_box->data.p_sample_text->i_justification_horizontal = 1;
2789 p_box->data.p_sample_text->i_justification_vertical = 1;
2791 case -1: // Flush Right
2792 p_box->data.p_sample_text->i_justification_horizontal = -1;
2793 p_box->data.p_sample_text->i_justification_vertical = -1;
2795 case -2: // Flush Left
2796 p_box->data.p_sample_text->i_justification_horizontal = 0;
2797 p_box->data.p_sample_text->i_justification_vertical = 0;
2799 case 0: // Flush Default
2801 p_box->data.p_sample_text->i_justification_horizontal = 1;
2802 p_box->data.p_sample_text->i_justification_vertical = -1;
2806 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
2807 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
2808 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
2809 p_box->data.p_sample_text->i_background_color[3] = 0xFF;
2811 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2812 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2813 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2814 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2817 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
2819 MP4_READBOX_EXIT( 1 );
2822 static int MP4_ReadBox_sample_clcp( stream_t *p_stream, MP4_Box_t *p_box )
2824 p_box->i_handler = ATOM_clcp;
2825 MP4_READBOX_ENTER( MP4_Box_data_sample_clcp_t, NULL );
2828 MP4_READBOX_EXIT( 0 );
2830 for( int i=0; i<6; i++ )
2831 MP4_GET1BYTE( p_box->data.p_sample_clcp->i_reserved1[i] );
2832 MP4_GET2BYTES( p_box->data.p_sample_clcp->i_data_reference_index );
2835 msg_Dbg( p_stream, "read box: \"clcp\" in stsd" );
2837 MP4_READBOX_EXIT( 1 );
2840 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
2842 p_box->i_handler = ATOM_text;
2843 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t, NULL );
2845 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2846 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2848 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2850 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2852 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
2853 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
2855 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
2856 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
2857 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
2858 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
2860 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2861 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2862 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2863 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2865 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved3 );
2867 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_id );
2868 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_face );
2869 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_size );
2870 MP4_GET4BYTES( p_box->data.p_sample_text->i_font_color );
2873 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
2875 MP4_READBOX_EXIT( 1 );
2880 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
2881 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
2883 free( p_box->data.p_sample_text->psz_text_name );
2887 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
2889 free( p_box->data.p_stsz->i_entry_size );
2892 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
2896 MP4_READBOX_ENTER( MP4_Box_data_stsz_t, MP4_FreeBox_stsz );
2898 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
2900 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
2901 MP4_GET4BYTES( count );
2902 p_box->data.p_stsz->i_sample_count = count;
2904 if( p_box->data.p_stsz->i_sample_size == 0 )
2906 if( UINT64_C(4) * count > i_read )
2907 MP4_READBOX_EXIT( 0 );
2909 p_box->data.p_stsz->i_entry_size =
2910 vlc_alloc( count, sizeof(uint32_t) );
2911 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
2912 MP4_READBOX_EXIT( 0 );
2914 for( uint32_t i = 0; i < count; i++ )
2916 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
2920 p_box->data.p_stsz->i_entry_size = NULL;
2923 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
2924 p_box->data.p_stsz->i_sample_size,
2925 p_box->data.p_stsz->i_sample_count );
2928 MP4_READBOX_EXIT( 1 );
2931 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
2933 free( p_box->data.p_stsc->i_first_chunk );
2934 free( p_box->data.p_stsc->i_samples_per_chunk );
2935 free( p_box->data.p_stsc->i_sample_description_index );
2938 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
2942 MP4_READBOX_ENTER( MP4_Box_data_stsc_t, MP4_FreeBox_stsc );
2944 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
2945 MP4_GET4BYTES( count );
2947 if( UINT64_C(12) * count > i_read )
2948 MP4_READBOX_EXIT( 0 );
2950 p_box->data.p_stsc->i_first_chunk = vlc_alloc( count, sizeof(uint32_t) );
2951 p_box->data.p_stsc->i_samples_per_chunk = vlc_alloc( count,
2953 p_box->data.p_stsc->i_sample_description_index = vlc_alloc( count,
2955 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
2956 || p_box->data.p_stsc->i_samples_per_chunk == NULL
2957 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
2959 MP4_READBOX_EXIT( 0 );
2961 p_box->data.p_stsc->i_entry_count = count;
2963 for( uint32_t i = 0; i < count;i++ )
2965 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
2966 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
2967 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
2971 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
2972 p_box->data.p_stsc->i_entry_count );
2975 MP4_READBOX_EXIT( 1 );
2978 static void MP4_FreeBox_sdp( MP4_Box_t *p_box )
2980 free( p_box->data.p_sdp->psz_text );
2983 static int MP4_ReadBox_sdp( stream_t *p_stream, MP4_Box_t *p_box )
2985 MP4_READBOX_ENTER( MP4_Box_data_sdp_t, MP4_FreeBox_sdp );
2987 MP4_GETSTRINGZ( p_box->data.p_sdp->psz_text );
2989 MP4_READBOX_EXIT( 1 );
2992 static void MP4_FreeBox_rtp( MP4_Box_t *p_box )
2994 free( p_box->data.p_moviehintinformation_rtp->psz_text );
2997 static int MP4_ReadBox_rtp( stream_t *p_stream, MP4_Box_t *p_box )
2999 MP4_READBOX_ENTER( MP4_Box_data_moviehintinformation_rtp_t, MP4_FreeBox_rtp );
3001 MP4_GET4BYTES( p_box->data.p_moviehintinformation_rtp->i_description_format );
3003 MP4_GETSTRINGZ( p_box->data.p_moviehintinformation_rtp->psz_text );
3005 MP4_READBOX_EXIT( 1 );
3008 static int MP4_ReadBox_tims( stream_t *p_stream, MP4_Box_t *p_box )
3010 MP4_READBOX_ENTER( MP4_Box_data_tims_t, NULL );
3012 MP4_GET4BYTES( p_box->data.p_tims->i_timescale );
3014 MP4_READBOX_EXIT( 1 );
3017 static int MP4_ReadBox_tsro( stream_t *p_stream, MP4_Box_t *p_box )
3019 MP4_READBOX_ENTER( MP4_Box_data_tsro_t, NULL );
3021 MP4_GET4BYTES( p_box->data.p_tsro->i_offset );
3023 MP4_READBOX_EXIT( 1 );
3026 static int MP4_ReadBox_tssy( stream_t *p_stream, MP4_Box_t *p_box )
3028 MP4_READBOX_ENTER( MP4_Box_data_tssy_t, NULL );
3030 MP4_GET1BYTE( p_box->data.p_tssy->i_reserved_timestamp_sync );
3032 MP4_READBOX_EXIT( 1 );
3035 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
3037 free( p_box->data.p_co64->i_chunk_offset );
3040 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
3042 const bool sixtyfour = p_box->i_type != ATOM_stco;
3045 MP4_READBOX_ENTER( MP4_Box_data_co64_t, MP4_FreeBox_stco_co64 );
3047 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
3048 MP4_GET4BYTES( count );
3050 if( (sixtyfour ? UINT64_C(8) : UINT64_C(4)) * count > i_read )
3051 MP4_READBOX_EXIT( 0 );
3053 p_box->data.p_co64->i_chunk_offset = vlc_alloc( count, sizeof(uint64_t) );
3054 if( unlikely(p_box->data.p_co64->i_chunk_offset == NULL) )
3055 MP4_READBOX_EXIT( 0 );
3056 p_box->data.p_co64->i_entry_count = count;
3058 for( uint32_t i = 0; i < count; i++ )
3061 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
3063 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
3067 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
3068 p_box->data.p_co64->i_entry_count );
3071 MP4_READBOX_EXIT( 1 );
3074 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
3076 free( p_box->data.p_stss->i_sample_number );
3079 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
3083 MP4_READBOX_ENTER( MP4_Box_data_stss_t, MP4_FreeBox_stss );
3085 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
3086 MP4_GET4BYTES( count );
3088 if( UINT64_C(4) * count > i_read )
3089 MP4_READBOX_EXIT( 0 );
3091 p_box->data.p_stss->i_sample_number = vlc_alloc( count, sizeof(uint32_t) );
3092 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
3093 MP4_READBOX_EXIT( 0 );
3094 p_box->data.p_stss->i_entry_count = count;
3096 for( uint32_t i = 0; i < count; i++ )
3098 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
3099 /* XXX in libmp4 sample begin at 0 */
3100 p_box->data.p_stss->i_sample_number[i]--;
3104 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
3105 p_box->data.p_stss->i_entry_count );
3108 MP4_READBOX_EXIT( 1 );
3111 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
3113 free( p_box->data.p_stsh->i_shadowed_sample_number );
3114 free( p_box->data.p_stsh->i_sync_sample_number );
3117 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
3121 MP4_READBOX_ENTER( MP4_Box_data_stsh_t, MP4_FreeBox_stsh );
3123 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
3124 MP4_GET4BYTES( count );
3126 if( UINT64_C(8) * count > i_read )
3127 MP4_READBOX_EXIT( 0 );
3129 p_box->data.p_stsh->i_shadowed_sample_number = vlc_alloc( count,
3131 p_box->data.p_stsh->i_sync_sample_number = vlc_alloc( count,
3133 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
3134 || p_box->data.p_stsh->i_sync_sample_number == NULL )
3135 MP4_READBOX_EXIT( 0 );
3136 p_box->data.p_stsh->i_entry_count = count;
3138 for( uint32_t i = 0; i < p_box->data.p_stss->i_entry_count; i++ )
3140 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
3141 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
3145 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
3146 p_box->data.p_stsh->i_entry_count );
3148 MP4_READBOX_EXIT( 1 );
3151 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
3153 free( p_box->data.p_stdp->i_priority );
3156 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
3158 MP4_READBOX_ENTER( MP4_Box_data_stdp_t, MP4_FreeBox_stdp );
3160 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
3162 p_box->data.p_stdp->i_priority =
3163 calloc( i_read / 2, sizeof(uint16_t) );
3165 if( unlikely( !p_box->data.p_stdp->i_priority ) )
3166 MP4_READBOX_EXIT( 0 );
3168 for( unsigned i = 0; i < i_read / 2 ; i++ )
3170 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
3174 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
3178 MP4_READBOX_EXIT( 1 );
3181 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
3183 free( p_box->data.p_padb->i_reserved );
3184 free( p_box->data.p_padb->i_pad );
3187 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
3191 MP4_READBOX_ENTER( MP4_Box_data_padb_t, MP4_FreeBox_padb );
3193 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
3194 MP4_GET4BYTES( count );
3196 if( ((count / 2) + (count & 1)) > i_read )
3198 MP4_READBOX_EXIT( 0 );
3201 p_box->data.p_padb->i_reserved = malloc( count );
3202 p_box->data.p_padb->i_pad = malloc( count );
3203 p_box->data.p_padb->i_sample_count = count;
3205 if( unlikely(p_box->data.p_padb->i_reserved == NULL
3206 || p_box->data.p_padb->i_pad == NULL) )
3208 MP4_READBOX_EXIT( 0 );
3211 for( size_t i = 0; i < count; i += 2 )
3213 p_box->data.p_padb->i_reserved[i] = ( (*p_peek) >> 7 )&0x01;
3214 p_box->data.p_padb->i_pad[i + 1] = ( (*p_peek) >> 4 )&0x07;
3215 p_box->data.p_padb->i_reserved[i + 1] = ( (*p_peek) >> 3 )&0x01;
3216 p_box->data.p_padb->i_pad[i] = ( (*p_peek) )&0x07;
3223 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRIu64,
3227 MP4_READBOX_EXIT( 1 );
3230 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
3232 free( p_box->data.p_elst->i_segment_duration );
3233 free( p_box->data.p_elst->i_media_time );
3234 free( p_box->data.p_elst->i_media_rate_integer );
3235 free( p_box->data.p_elst->i_media_rate_fraction );
3238 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
3242 MP4_READBOX_ENTER( MP4_Box_data_elst_t, MP4_FreeBox_elst );
3244 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
3245 MP4_GET4BYTES( count );
3247 uint32_t i_entries_max = i_read / ((p_box->data.p_elst->i_version == 1) ? 20 : 12);
3248 if( count > i_entries_max )
3249 count = i_entries_max;
3251 p_box->data.p_elst->i_segment_duration = vlc_alloc( count,
3253 p_box->data.p_elst->i_media_time = vlc_alloc( count, sizeof(int64_t) );
3254 p_box->data.p_elst->i_media_rate_integer = vlc_alloc( count,
3256 p_box->data.p_elst->i_media_rate_fraction = vlc_alloc( count,
3258 if( p_box->data.p_elst->i_segment_duration == NULL
3259 || p_box->data.p_elst->i_media_time == NULL
3260 || p_box->data.p_elst->i_media_rate_integer == NULL
3261 || p_box->data.p_elst->i_media_rate_fraction == NULL )
3263 MP4_READBOX_EXIT( 0 );
3265 p_box->data.p_elst->i_entry_count = count;
3267 for( uint32_t i = 0; i < count; i++ )
3269 uint64_t segment_duration;
3272 if( p_box->data.p_elst->i_version == 1 )
3274 union { int64_t s; uint64_t u; } u;
3276 MP4_GET8BYTES( segment_duration );
3277 MP4_GET8BYTES( u.u );
3282 union { int32_t s; uint32_t u; } u;
3284 MP4_GET4BYTES( segment_duration );
3285 MP4_GET4BYTES( u.u );
3289 p_box->data.p_elst->i_segment_duration[i] = segment_duration;
3290 p_box->data.p_elst->i_media_time[i] = media_time;
3291 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
3292 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
3296 msg_Dbg( p_stream, "read box: \"elst\" entry-count %" PRIu32,
3297 p_box->data.p_elst->i_entry_count );
3299 MP4_READBOX_EXIT( 1 );
3302 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
3304 free( p_box->data.p_cprt->psz_notice );
3307 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
3309 uint16_t i_language;
3312 MP4_READBOX_ENTER( MP4_Box_data_cprt_t, MP4_FreeBox_cprt );
3314 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
3316 MP4_GET2BYTES( i_language );
3317 decodeQtLanguageCode( i_language, p_box->data.p_cprt->rgs_language, &b_mac );
3319 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
3322 msg_Dbg( p_stream, "read box: \"cprt\" language %3.3s notice %s",
3323 p_box->data.p_cprt->rgs_language,
3324 p_box->data.p_cprt->psz_notice );
3327 MP4_READBOX_EXIT( 1 );
3330 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
3332 MP4_READBOX_ENTER( MP4_Box_data_dcom_t, NULL );
3334 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
3337 "read box: \"dcom\" compression algorithm : %4.4s",
3338 (char*)&p_box->data.p_dcom->i_algorithm );
3340 MP4_READBOX_EXIT( 1 );
3343 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
3345 free( p_box->data.p_cmvd->p_data );
3348 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
3350 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t, MP4_FreeBox_cmvd );
3352 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
3354 p_box->data.p_cmvd->i_compressed_size = i_read;
3356 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
3357 MP4_READBOX_EXIT( 0 );
3359 /* now copy compressed data */
3360 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
3362 p_box->data.p_cmvd->b_compressed = 1;
3365 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
3366 p_box->data.p_cmvd->i_compressed_size );
3369 MP4_READBOX_EXIT( 1 );
3372 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
3378 stream_t *p_stream_memory;
3384 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
3387 if( !p_box->p_father ||
3388 ( p_box->p_father->i_type != ATOM_moov &&
3389 p_box->p_father->i_type != ATOM_foov ) )
3391 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
3395 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
3400 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
3401 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
3402 p_cmvd->data.p_cmvd->p_data == NULL )
3404 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
3408 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
3410 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
3411 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
3416 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
3420 /* decompress data */
3421 /* allocate a new buffer */
3422 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
3424 /* init default structures */
3425 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
3426 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
3427 z_data.next_out = p_data;
3428 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
3429 z_data.zalloc = (alloc_func)Z_NULL;
3430 z_data.zfree = (free_func)Z_NULL;
3431 z_data.opaque = (voidpf)Z_NULL;
3434 if( inflateInit( &z_data ) != Z_OK )
3436 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
3442 i_result = inflate( &z_data, Z_NO_FLUSH );
3443 if( i_result != Z_OK && i_result != Z_STREAM_END )
3445 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
3450 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
3452 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
3455 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
3458 if( inflateEnd( &z_data ) != Z_OK )
3460 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
3464 free( p_cmvd->data.p_cmvd->p_data );
3465 p_cmvd->data.p_cmvd->p_data = p_data;
3466 p_cmvd->data.p_cmvd->b_compressed = 0;
3468 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
3470 /* now create a memory stream */
3472 vlc_stream_MemoryNew( VLC_OBJECT(p_stream),
3473 p_cmvd->data.p_cmvd->p_data,
3474 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
3476 /* and read uncompressd moov */
3477 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
3479 vlc_stream_Delete( p_stream_memory );
3482 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
3485 return p_box->data.p_cmov->p_moov ? 1 : 0;
3486 #endif /* HAVE_ZLIB_H */
3489 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
3491 free( p_box->data.p_rdrf->psz_ref );
3494 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
3497 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t, MP4_FreeBox_rdrf );
3499 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
3500 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
3501 MP4_GET4BYTES( i_len );
3506 p_box->data.p_rdrf->psz_ref = malloc( i_len );
3507 if( p_box->data.p_rdrf->psz_ref == NULL )
3508 MP4_READBOX_EXIT( 0 );
3511 for( unsigned i = 0; i < i_len; i++ )
3513 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
3515 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
3519 p_box->data.p_rdrf->psz_ref = NULL;
3524 "read box: \"rdrf\" type:%4.4s ref %s",
3525 (char*)&p_box->data.p_rdrf->i_ref_type,
3526 p_box->data.p_rdrf->psz_ref );
3528 MP4_READBOX_EXIT( 1 );
3533 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
3535 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t, NULL );
3537 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
3539 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
3543 "read box: \"rmdr\" rate:%d",
3544 p_box->data.p_rmdr->i_rate );
3546 MP4_READBOX_EXIT( 1 );
3549 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
3551 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t, NULL );
3553 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
3557 "read box: \"rmqu\" quality:%d",
3558 p_box->data.p_rmqu->i_quality );
3560 MP4_READBOX_EXIT( 1 );
3563 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
3565 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t, NULL );
3566 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
3568 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
3569 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
3570 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
3571 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
3575 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
3576 (char*)&p_box->data.p_rmvc->i_gestaltType,
3577 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
3578 p_box->data.p_rmvc->i_checkType );
3581 MP4_READBOX_EXIT( 1 );
3584 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
3586 MP4_READBOX_ENTER( MP4_Box_data_frma_t, NULL );
3588 MP4_GETFOURCC( p_box->data.p_frma->i_type );
3591 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
3592 (char *)&p_box->data.p_frma->i_type );
3595 MP4_READBOX_EXIT( 1 );
3598 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
3600 MP4_READBOX_ENTER( MP4_Box_data_skcr_t, NULL );
3602 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
3603 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
3604 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
3607 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
3608 p_box->data.p_skcr->i_init,
3609 p_box->data.p_skcr->i_encr,
3610 p_box->data.p_skcr->i_decr );
3613 MP4_READBOX_EXIT( 1 );
3616 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
3619 /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
3620 * so unless data decrypt itself by magic, there will be no playback,
3621 * but we never know... */
3622 msg_Warn( p_stream, "DRM protected streams are not supported." );
3626 static void MP4_FreeBox_Binary( MP4_Box_t *p_box )
3628 free( p_box->data.p_binary->p_blob );
3631 static int MP4_ReadBox_Binary( stream_t *p_stream, MP4_Box_t *p_box )
3633 MP4_READBOX_ENTER( MP4_Box_data_binary_t, MP4_FreeBox_Binary );
3634 i_read = __MIN( i_read, UINT32_MAX );
3637 p_box->data.p_binary->p_blob = malloc( i_read );
3638 if ( p_box->data.p_binary->p_blob )
3640 memcpy( p_box->data.p_binary->p_blob, p_peek, i_read );
3641 p_box->data.p_binary->i_blob = i_read;
3644 MP4_READBOX_EXIT( 1 );
3647 static void MP4_FreeBox_data( MP4_Box_t *p_box )
3649 free( p_box->data.p_data->p_blob );
3652 static int MP4_ReadBox_data( stream_t *p_stream, MP4_Box_t *p_box )
3654 MP4_READBOX_ENTER( MP4_Box_data_data_t, MP4_FreeBox_data );
3655 MP4_Box_data_data_t *p_data = p_box->data.p_data;
3657 if ( i_read < 8 || i_read - 8 > UINT32_MAX )
3658 MP4_READBOX_EXIT( 0 );
3661 MP4_GET1BYTE( i_type );
3665 msg_Dbg( p_stream, "skipping unknown 'data' atom with type %"PRIu8, i_type );
3667 MP4_READBOX_EXIT( 0 );
3670 MP4_GET3BYTES( p_data->e_wellknowntype );
3671 MP4_GET2BYTES( p_data->locale.i_country );
3672 MP4_GET2BYTES( p_data->locale.i_language );
3674 msg_Dbg( p_stream, "read 'data' atom: knowntype=%"PRIu32", country=%"PRIu16" lang=%"PRIu16
3675 ", size %"PRIu64" bytes", p_data->e_wellknowntype,
3676 p_data->locale.i_country, p_data->locale.i_language, i_read );
3678 p_box->data.p_data->p_blob = malloc( i_read );
3679 if ( !p_box->data.p_data->p_blob )
3680 MP4_READBOX_EXIT( 0 );
3682 p_box->data.p_data->i_blob = i_read;
3683 memcpy( p_box->data.p_data->p_blob, p_peek, i_read);
3685 MP4_READBOX_EXIT( 1 );
3688 static int MP4_ReadBox_Metadata( stream_t *p_stream, MP4_Box_t *p_box )
3690 const uint8_t *p_peek;
3691 if ( vlc_stream_Peek( p_stream, &p_peek, 16 ) < 16 )
3693 if ( vlc_stream_Read( p_stream, NULL, 8 ) < 8 )
3695 const uint32_t stoplist[] = { ATOM_data, 0 };
3696 return MP4_ReadBoxContainerChildren( p_stream, p_box, stoplist );
3699 /* Chapter support */
3700 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
3702 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
3703 for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
3704 free( p_chpl->chapter[i].psz_name );
3707 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
3709 MP4_Box_data_chpl_t *p_chpl;
3711 VLC_UNUSED(i_dummy);
3713 MP4_READBOX_ENTER( MP4_Box_data_chpl_t, MP4_FreeBox_chpl );
3715 p_chpl = p_box->data.p_chpl;
3717 MP4_GETVERSIONFLAGS( p_chpl );
3719 if ( i_read < 5 || p_chpl->i_version != 0x1 )
3720 MP4_READBOX_EXIT( 0 );
3722 MP4_GET4BYTES( i_dummy );
3724 MP4_GET1BYTE( p_chpl->i_chapter );
3726 for( i = 0; i < p_chpl->i_chapter; i++ )
3733 MP4_GET8BYTES( i_start );
3734 MP4_GET1BYTE( i_len );
3736 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
3737 if( !p_chpl->chapter[i].psz_name )
3738 MP4_READBOX_EXIT( 0 );
3740 i_copy = __MIN( i_len, i_read );
3742 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
3743 p_chpl->chapter[i].psz_name[i_copy] = '\0';
3744 p_chpl->chapter[i].i_start = i_start;
3750 if ( i != p_chpl->i_chapter )
3751 p_chpl->i_chapter = i;
3753 /* Bubble sort by increasing start date */
3756 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
3758 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
3760 char *psz = p_chpl->chapter[i+1].psz_name;
3761 int64_t i64 = p_chpl->chapter[i+1].i_start;
3763 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
3764 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
3766 p_chpl->chapter[i].psz_name = psz;
3767 p_chpl->chapter[i].i_start = i64;
3776 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
3777 p_chpl->i_chapter );
3779 MP4_READBOX_EXIT( 1 );
3782 /* GoPro HiLight tags support */
3783 static void MP4_FreeBox_HMMT( MP4_Box_t *p_box )
3785 free( p_box->data.p_hmmt->pi_chapter_start );
3788 static int MP4_ReadBox_HMMT( stream_t *p_stream, MP4_Box_t *p_box )
3790 #define MAX_CHAPTER_COUNT 100
3792 MP4_Box_data_HMMT_t *p_hmmt;
3793 MP4_READBOX_ENTER( MP4_Box_data_HMMT_t, MP4_FreeBox_HMMT );
3796 MP4_READBOX_EXIT( 0 );
3798 p_hmmt = p_box->data.p_hmmt;
3800 MP4_GET4BYTES( p_hmmt->i_chapter_count );
3802 if( p_hmmt->i_chapter_count <= 0 )
3804 p_hmmt->pi_chapter_start = NULL;
3805 MP4_READBOX_EXIT( 1 );
3808 if( ( i_read / sizeof(uint32_t) ) < p_hmmt->i_chapter_count )
3809 MP4_READBOX_EXIT( 0 );
3811 /* Cameras are allowing a maximum of 100 tags */
3812 if( p_hmmt->i_chapter_count > MAX_CHAPTER_COUNT )
3813 p_hmmt->i_chapter_count = MAX_CHAPTER_COUNT;
3815 p_hmmt->pi_chapter_start = vlc_alloc( p_hmmt->i_chapter_count, sizeof(uint32_t) );
3816 if( p_hmmt->pi_chapter_start == NULL )
3817 MP4_READBOX_EXIT( 0 );
3819 for( uint32_t i = 0; i < p_hmmt->i_chapter_count; i++ )
3821 MP4_GET4BYTES( p_hmmt->pi_chapter_start[i] );
3825 msg_Dbg( p_stream, "read box: \"HMMT\" %d HiLight tags", p_hmmt->i_chapter_count );
3828 MP4_READBOX_EXIT( 1 );
3831 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
3833 free( p_box->data.p_tref_generic->i_track_ID );
3836 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
3840 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t, MP4_FreeBox_tref_generic );
3842 p_box->data.p_tref_generic->i_track_ID = NULL;
3843 count = i_read / sizeof(uint32_t);
3844 p_box->data.p_tref_generic->i_entry_count = count;
3845 p_box->data.p_tref_generic->i_track_ID = vlc_alloc( count,
3847 if( p_box->data.p_tref_generic->i_track_ID == NULL )
3848 MP4_READBOX_EXIT( 0 );
3850 for( unsigned i = 0; i < count; i++ )
3852 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
3855 msg_Dbg( p_stream, "read box: \"chap\" %d references",
3856 p_box->data.p_tref_generic->i_entry_count );
3859 MP4_READBOX_EXIT( 1 );
3862 static void MP4_FreeBox_keys( MP4_Box_t *p_box )
3864 for( uint32_t i=0; i<p_box->data.p_keys->i_entry_count; i++ )
3865 free( p_box->data.p_keys->p_entries[i].psz_value );
3866 free( p_box->data.p_keys->p_entries );
3869 static int MP4_ReadBox_keys( stream_t *p_stream, MP4_Box_t *p_box )
3871 MP4_READBOX_ENTER( MP4_Box_data_keys_t, MP4_FreeBox_keys );
3874 MP4_READBOX_EXIT( 0 );
3877 MP4_GET4BYTES( i_count ); /* reserved + flags */
3879 MP4_READBOX_EXIT( 0 );
3881 MP4_GET4BYTES( i_count );
3882 p_box->data.p_keys->p_entries = calloc( i_count, sizeof(*p_box->data.p_keys->p_entries) );
3883 if ( !p_box->data.p_keys->p_entries )
3884 MP4_READBOX_EXIT( 0 );
3885 p_box->data.p_keys->i_entry_count = i_count;
3888 for( ; i < i_count; i++ )
3893 MP4_GET4BYTES( i_keysize );
3894 if ( (i_keysize < 8) || (i_keysize - 4 > i_read) )
3896 MP4_GETFOURCC( p_box->data.p_keys->p_entries[i].i_namespace );
3898 p_box->data.p_keys->p_entries[i].psz_value = malloc( i_keysize + 1 );
3899 if ( !p_box->data.p_keys->p_entries[i].psz_value )
3901 memcpy( p_box->data.p_keys->p_entries[i].psz_value, p_peek, i_keysize );
3902 p_box->data.p_keys->p_entries[i].psz_value[i_keysize] = 0;
3903 p_peek += i_keysize;
3904 i_read -= i_keysize;
3905 #ifdef MP4_ULTRA_VERBOSE
3906 msg_Dbg( p_stream, "read box: \"keys\": %u '%s'", i + 1,
3907 p_box->data.p_keys->p_entries[i].psz_value );
3911 p_box->data.p_keys->i_entry_count = i;
3913 MP4_READBOX_EXIT( 1 );
3916 static int MP4_ReadBox_colr( stream_t *p_stream, MP4_Box_t *p_box )
3918 MP4_READBOX_ENTER( MP4_Box_data_colr_t, NULL );
3919 MP4_GETFOURCC( p_box->data.p_colr->i_type );
3920 if ( p_box->data.p_colr->i_type == VLC_FOURCC( 'n', 'c', 'l', 'c' ) ||
3921 p_box->data.p_colr->i_type == VLC_FOURCC( 'n', 'c', 'l', 'x' ) )
3923 MP4_GET2BYTES( p_box->data.p_colr->nclc.i_primary_idx );
3924 MP4_GET2BYTES( p_box->data.p_colr->nclc.i_transfer_function_idx );
3925 MP4_GET2BYTES( p_box->data.p_colr->nclc.i_matrix_idx );
3926 if ( p_box->data.p_colr->i_type == VLC_FOURCC( 'n', 'c', 'l', 'x' ) )
3927 MP4_GET1BYTE( p_box->data.p_colr->nclc.i_full_range );
3932 msg_Warn( p_stream, "Unhandled colr type: %4.4s", (char*)&p_box->data.p_colr->i_type );
3935 MP4_READBOX_EXIT( 1 );
3938 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
3940 const uint8_t *p_peek;
3941 const size_t i_headersize = mp4_box_headersize( p_box );
3943 if( p_box->i_size < 16 || p_box->i_size - i_headersize < 8 )
3946 /* skip over box header */
3947 if( vlc_stream_Read( p_stream, NULL, i_headersize ) < (ssize_t) i_headersize )
3950 /* meta content starts with a 4 byte version/flags value (should be 0) */
3951 if( vlc_stream_Peek( p_stream, &p_peek, 8 ) < 8 )
3954 if( !memcmp( p_peek, "\0\0\0", 4 ) ) /* correct header case */
3956 if( vlc_stream_Read( p_stream, NULL, 4 ) < 4 )
3959 else if( memcmp( &p_peek[4], "hdlr", 4 ) ) /* Broken, headerless ones */
3964 /* load child atoms up to the handler (which should be next anyway) */
3965 const uint32_t stoplist[] = { ATOM_hdlr, 0 };
3966 if ( !MP4_ReadBoxContainerChildren( p_stream, p_box, stoplist ) )
3970 const MP4_Box_t *p_hdlr = MP4_BoxGet( p_box, "hdlr" );
3971 if ( p_hdlr && BOXDATA(p_hdlr) && BOXDATA(p_hdlr)->i_version == 0 )
3973 p_box->i_handler = BOXDATA(p_hdlr)->i_handler_type;
3974 switch( p_box->i_handler )
3978 /* then it behaves like a container */
3979 return MP4_ReadBoxContainerChildren( p_stream, p_box, NULL );
3981 /* skip parsing, will be seen as empty container */
3989 static int MP4_ReadBox_iods( stream_t *p_stream, MP4_Box_t *p_box )
3992 VLC_UNUSED(i_unused);
3994 MP4_READBOX_ENTER( MP4_Box_data_iods_t, NULL );
3995 MP4_GETVERSIONFLAGS( p_box->data.p_iods );
3997 MP4_GET1BYTE( i_unused ); /* tag */
3998 MP4_GET1BYTE( i_unused ); /* length */
4000 MP4_GET2BYTES( p_box->data.p_iods->i_object_descriptor ); /* 10bits, 6 other bits
4001 are used for other flags */
4002 MP4_GET1BYTE( p_box->data.p_iods->i_OD_profile_level );
4003 MP4_GET1BYTE( p_box->data.p_iods->i_scene_profile_level );
4004 MP4_GET1BYTE( p_box->data.p_iods->i_audio_profile_level );
4005 MP4_GET1BYTE( p_box->data.p_iods->i_visual_profile_level );
4006 MP4_GET1BYTE( p_box->data.p_iods->i_graphics_profile_level );
4010 "read box: \"iods\" objectDescriptorId: %i, OD: %i, scene: %i, audio: %i, "
4011 "visual: %i, graphics: %i",
4012 p_box->data.p_iods->i_object_descriptor >> 6,
4013 p_box->data.p_iods->i_OD_profile_level,
4014 p_box->data.p_iods->i_scene_profile_level,
4015 p_box->data.p_iods->i_audio_profile_level,
4016 p_box->data.p_iods->i_visual_profile_level,
4017 p_box->data.p_iods->i_graphics_profile_level );
4020 MP4_READBOX_EXIT( 1 );
4023 static int MP4_ReadBox_btrt( stream_t *p_stream, MP4_Box_t *p_box )
4025 MP4_READBOX_ENTER( MP4_Box_data_btrt_t, NULL );
4028 MP4_READBOX_EXIT( 0 );
4030 MP4_GET4BYTES( p_box->data.p_btrt->i_buffer_size );
4031 MP4_GET4BYTES( p_box->data.p_btrt->i_max_bitrate );
4032 MP4_GET4BYTES( p_box->data.p_btrt->i_avg_bitrate );
4034 MP4_READBOX_EXIT( 1 );
4037 static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
4039 MP4_READBOX_ENTER( MP4_Box_data_pasp_t, NULL );
4041 MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
4042 MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
4046 "read box: \"paps\" %dx%d",
4047 p_box->data.p_pasp->i_horizontal_spacing,
4048 p_box->data.p_pasp->i_vertical_spacing);
4051 MP4_READBOX_EXIT( 1 );
4054 static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
4056 MP4_READBOX_ENTER( MP4_Box_data_mehd_t, NULL );
4058 MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
4059 if( p_box->data.p_mehd->i_version == 1 )
4060 MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
4061 else /* version == 0 */
4062 MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
4066 "read box: \"mehd\" frag dur. %"PRIu64"",
4067 p_box->data.p_mehd->i_fragment_duration );
4070 MP4_READBOX_EXIT( 1 );
4073 static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
4075 MP4_READBOX_ENTER( MP4_Box_data_trex_t, NULL );
4076 MP4_GETVERSIONFLAGS( p_box->data.p_trex );
4078 MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
4079 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
4080 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
4081 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
4082 MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
4086 "read box: \"trex\" trackID: %"PRIu32"",
4087 p_box->data.p_trex->i_track_ID );
4090 MP4_READBOX_EXIT( 1 );
4093 static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
4095 free( p_box->data.p_sdtp->p_sample_table );
4098 static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
4100 uint32_t i_sample_count;
4101 MP4_READBOX_ENTER( MP4_Box_data_sdtp_t, MP4_FreeBox_sdtp );
4102 MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
4103 MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
4104 i_sample_count = i_read;
4106 p_sdtp->p_sample_table = malloc( i_sample_count );
4107 if( unlikely(p_sdtp->p_sample_table == NULL) )
4108 MP4_READBOX_EXIT( 0 );
4110 for( uint32_t i = 0; i < i_sample_count; i++ )
4111 MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
4114 msg_Dbg( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
4115 if ( i_sample_count > 3 )
4117 "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
4118 p_sdtp->p_sample_table[0],
4119 p_sdtp->p_sample_table[1],
4120 p_sdtp->p_sample_table[2],
4121 p_sdtp->p_sample_table[3] );
4124 MP4_READBOX_EXIT( 1 );
4127 static int MP4_ReadBox_tsel( stream_t *p_stream, MP4_Box_t *p_box )
4129 MP4_READBOX_ENTER( MP4_Box_data_tsel_t, NULL );
4131 MP4_GET4BYTES( i_version );
4132 if ( i_version != 0 || i_read < 4 )
4133 MP4_READBOX_EXIT( 0 );
4134 MP4_GET4BYTES( p_box->data.p_tsel->i_switch_group );
4135 /* ignore list of attributes as es are present before switch */
4136 MP4_READBOX_EXIT( 1 );
4139 static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
4141 MP4_READBOX_ENTER( MP4_Box_data_mfro_t, NULL );
4143 MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
4144 MP4_GET4BYTES( p_box->data.p_mfro->i_size );
4148 "read box: \"mfro\" size: %"PRIu32"",
4149 p_box->data.p_mfro->i_size);
4152 MP4_READBOX_EXIT( 1 );