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 MP4_READBOX_EXIT( 1 );
1033 p_sidx_data->i_reference_count = i_count;
1034 p_sidx_data->p_items = vlc_alloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
1035 if( unlikely(p_sidx_data->p_items == NULL) )
1036 MP4_READBOX_EXIT( 0 );
1038 for( unsigned i = 0; i < i_count; i++ )
1040 MP4_Box_sidx_item_t *item = p_sidx_data->p_items + i;
1043 MP4_GET4BYTES( tmp );
1044 item->b_reference_type = tmp >> 31;
1045 item->i_referenced_size = tmp & 0x7fffffff;
1046 MP4_GET4BYTES( item->i_subsegment_duration );
1048 MP4_GET4BYTES( tmp );
1049 item->b_starts_with_SAP = tmp >> 31;
1050 item->i_SAP_type = (tmp >> 24) & 0x70;
1051 item->i_SAP_delta_time = tmp & 0xfffffff;
1055 msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
1056 "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
1057 "first subsegmt duration %"PRIu32,
1058 p_sidx_data->i_version,
1059 p_sidx_data->i_flags,
1060 p_sidx_data->i_reference_ID,
1061 p_sidx_data->i_timescale,
1062 p_sidx_data->i_reference_count,
1063 p_sidx_data->p_items[0].i_subsegment_duration
1067 MP4_READBOX_EXIT( 1 );
1070 static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
1072 MP4_READBOX_ENTER( MP4_Box_data_tfhd_t, NULL );
1074 MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
1076 if( p_box->data.p_tfhd->i_version != 0 )
1078 msg_Warn( p_stream, "'tfhd' box with version != 0. "\
1079 " Don't know what to do with that, please patch" );
1080 MP4_READBOX_EXIT( 0 );
1083 MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
1085 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
1087 msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
1088 "=> no samples for this time interval." );
1089 p_box->data.p_tfhd->b_empty = true;
1092 p_box->data.p_tfhd->b_empty = false;
1094 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
1095 MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
1096 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
1097 MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
1098 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
1099 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
1100 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
1101 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
1102 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
1103 MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
1106 char psz_base[128] = "\0";
1107 char psz_desc[128] = "\0";
1108 char psz_dura[128] = "\0";
1109 char psz_size[128] = "\0";
1110 char psz_flag[128] = "\0";
1111 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
1112 snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
1113 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
1114 snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
1115 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
1116 snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
1117 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
1118 snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
1119 if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
1120 snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
1122 msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
1123 p_box->data.p_tfhd->i_version,
1124 p_box->data.p_tfhd->i_flags,
1125 p_box->data.p_tfhd->i_track_ID,
1126 psz_base, psz_desc, psz_dura, psz_size, psz_flag );
1129 MP4_READBOX_EXIT( 1 );
1132 static void MP4_FreeBox_trun( MP4_Box_t *p_box )
1134 free( p_box->data.p_trun->p_samples );
1137 static int MP4_ReadBox_trun( stream_t *p_stream, MP4_Box_t *p_box )
1141 MP4_READBOX_ENTER( MP4_Box_data_trun_t, MP4_FreeBox_trun );
1142 MP4_Box_data_trun_t *p_trun = p_box->data.p_trun;
1143 MP4_GETVERSIONFLAGS( p_trun );
1144 MP4_GET4BYTES( count );
1146 if( p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
1147 MP4_GET4BYTES( p_trun->i_data_offset );
1148 if( p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
1149 MP4_GET4BYTES( p_trun->i_first_sample_flags );
1151 uint64_t i_entry_size =
1152 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION) +
1153 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE) +
1154 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS) +
1155 !!(p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET);
1157 if( i_entry_size * 4 * count > i_read )
1158 MP4_READBOX_EXIT( 0 );
1160 p_trun->p_samples = vlc_alloc( count, sizeof(MP4_descriptor_trun_sample_t) );
1161 if ( p_trun->p_samples == NULL )
1162 MP4_READBOX_EXIT( 0 );
1163 p_trun->i_sample_count = count;
1165 for( unsigned int i = 0; i < count; i++ )
1167 MP4_descriptor_trun_sample_t *p_sample = &p_trun->p_samples[i];
1168 if( p_trun->i_flags & MP4_TRUN_SAMPLE_DURATION )
1169 MP4_GET4BYTES( p_sample->i_duration );
1170 if( p_trun->i_flags & MP4_TRUN_SAMPLE_SIZE )
1171 MP4_GET4BYTES( p_sample->i_size );
1172 if( p_trun->i_flags & MP4_TRUN_SAMPLE_FLAGS )
1173 MP4_GET4BYTES( p_sample->i_flags );
1174 if( p_trun->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
1175 MP4_GET4BYTES( p_sample->i_composition_time_offset.v0 );
1178 #ifdef MP4_ULTRA_VERBOSE
1179 msg_Dbg( p_stream, "read box: \"trun\" version %u flags 0x%x sample count %"PRIu32,
1182 p_trun->i_sample_count );
1184 for( unsigned int i = 0; i < count; i++ )
1186 MP4_descriptor_trun_sample_t *p_sample = &p_trun->p_samples[i];
1187 msg_Dbg( p_stream, "read box: \"trun\" sample %4.4u flags 0x%x "\
1188 "duration %"PRIu32" size %"PRIu32" composition time offset %"PRIu32,
1189 i, p_sample->i_flags, p_sample->i_duration,
1190 p_sample->i_size, p_sample->i_composition_time_offset );
1194 MP4_READBOX_EXIT( 1 );
1197 static int MP4_ReadBox_tfdt( stream_t *p_stream, MP4_Box_t *p_box )
1199 MP4_READBOX_ENTER( MP4_Box_data_tfdt_t, NULL );
1201 MP4_READBOX_EXIT( 0 );
1203 MP4_GETVERSIONFLAGS( p_box->data.p_tfdt );
1205 if( p_box->data.p_tfdt->i_version == 0 )
1206 MP4_GET4BYTES( p_box->data.p_tfdt->i_base_media_decode_time );
1207 else if( p_box->data.p_tfdt->i_version == 1 )
1208 MP4_GET8BYTES( p_box->data.p_tfdt->i_base_media_decode_time );
1210 MP4_READBOX_EXIT( 0 );
1212 MP4_READBOX_EXIT( 1 );
1215 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
1218 char s_creation_time[128];
1219 char s_modification_time[128];
1220 char s_duration[128];
1222 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t, NULL );
1224 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
1226 if( p_box->data.p_tkhd->i_version )
1228 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
1229 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
1230 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
1231 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
1232 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
1236 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
1237 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
1238 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
1239 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
1240 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
1243 for( unsigned i = 0; i < 2; i++ )
1245 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
1247 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
1248 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
1249 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
1250 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
1252 for( unsigned i = 0; i < 9; i++ )
1254 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
1256 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
1257 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
1259 double rotation = 0;//angle in degrees to be rotated clockwise
1260 double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
1261 int32_t *matrix = p_box->data.p_tkhd->i_matrix;
1263 scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
1264 conv_fx(matrix[3]) * conv_fx(matrix[3]));
1265 scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
1266 conv_fx(matrix[4]) * conv_fx(matrix[4]));
1268 if( likely(scale[0] > 0 && scale[1] > 0) )
1270 rotation = atan2(conv_fx(matrix[1]) / scale[1],
1271 conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
1276 p_box->data.p_tkhd->f_rotation = rotation;
1279 double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
1281 translate[0] = conv_fx(matrix[6]);
1282 translate[1] = conv_fx(matrix[7]);
1284 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time, false );
1285 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time, false );
1286 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration, true );
1288 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. "
1289 "Matrix: %i %i %i %i %i %i %i %i %i",
1291 s_modification_time,
1293 p_box->data.p_tkhd->i_track_ID,
1294 p_box->data.p_tkhd->i_layer,
1295 (float)p_box->data.p_tkhd->i_volume / 256 ,
1301 (float)p_box->data.p_tkhd->i_width / BLOCK16x16,
1302 (float)p_box->data.p_tkhd->i_height / BLOCK16x16,
1303 p_box->data.p_tkhd->i_matrix[0],
1304 p_box->data.p_tkhd->i_matrix[1],
1305 p_box->data.p_tkhd->i_matrix[2],
1306 p_box->data.p_tkhd->i_matrix[3],
1307 p_box->data.p_tkhd->i_matrix[4],
1308 p_box->data.p_tkhd->i_matrix[5],
1309 p_box->data.p_tkhd->i_matrix[6],
1310 p_box->data.p_tkhd->i_matrix[7],
1311 p_box->data.p_tkhd->i_matrix[8] );
1313 MP4_READBOX_EXIT( 1 );
1316 static int MP4_ReadBox_load( stream_t *p_stream, MP4_Box_t *p_box )
1318 if ( p_box->i_size != 24 )
1320 MP4_READBOX_ENTER( MP4_Box_data_load_t, NULL );
1321 MP4_GET4BYTES( p_box->data.p_load->i_start_time );
1322 MP4_GET4BYTES( p_box->data.p_load->i_duration );
1323 MP4_GET4BYTES( p_box->data.p_load->i_flags );
1324 MP4_GET4BYTES( p_box->data.p_load->i_hints );
1325 MP4_READBOX_EXIT( 1 );
1328 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
1330 uint16_t i_language;
1332 char s_creation_time[128];
1333 char s_modification_time[128];
1334 char s_duration[128];
1336 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t, NULL );
1338 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
1340 if( p_box->data.p_mdhd->i_version )
1342 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
1343 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
1344 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
1345 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
1349 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
1350 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
1351 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
1352 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
1355 MP4_GET2BYTES( i_language );
1356 decodeQtLanguageCode( i_language, p_box->data.p_mdhd->rgs_language,
1357 &p_box->data.p_mdhd->b_mac_encoding );
1359 MP4_GET2BYTES( p_box->data.p_mdhd->i_quality );
1362 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time, false );
1363 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time, false );
1364 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration, true );
1365 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %3.3s",
1367 s_modification_time,
1368 (uint32_t)p_box->data.p_mdhd->i_timescale,
1370 (char*) &p_box->data.p_mdhd->rgs_language );
1372 MP4_READBOX_EXIT( 1 );
1375 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
1377 free( p_box->data.p_hdlr->psz_name );
1380 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
1383 VLC_UNUSED(i_reserved);
1385 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t, MP4_FreeBox_hdlr );
1387 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
1389 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
1390 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
1392 MP4_GET4BYTES( i_reserved );
1393 MP4_GET4BYTES( i_reserved );
1394 MP4_GET4BYTES( i_reserved );
1395 p_box->data.p_hdlr->psz_name = NULL;
1397 if( i_read >= SSIZE_MAX )
1398 MP4_READBOX_EXIT( 0 );
1404 /* Yes, I love .mp4 :( */
1405 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
1409 MP4_GET1BYTE( i_len );
1410 i_copy = (i_len <= i_read) ? i_len : i_read;
1415 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_copy + 1 );
1416 if( unlikely( psz == NULL ) )
1417 MP4_READBOX_EXIT( 0 );
1419 memcpy( psz, p_peek, i_copy );
1420 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
1424 msg_Dbg( p_stream, "read box: \"hdlr\" handler type: \"%4.4s\" name: \"%s\"",
1425 (char*)&p_box->data.p_hdlr->i_handler_type,
1426 p_box->data.p_hdlr->psz_name );
1429 MP4_READBOX_EXIT( 1 );
1432 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
1434 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t, NULL );
1436 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
1438 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
1439 for( unsigned i = 0; i < 3; i++ )
1441 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
1445 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
1446 p_box->data.p_vmhd->i_graphics_mode,
1447 p_box->data.p_vmhd->i_opcolor[0],
1448 p_box->data.p_vmhd->i_opcolor[1],
1449 p_box->data.p_vmhd->i_opcolor[2] );
1451 MP4_READBOX_EXIT( 1 );
1454 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
1456 MP4_READBOX_ENTER( MP4_Box_data_smhd_t, NULL );
1458 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
1462 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
1464 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
1467 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
1468 (float)p_box->data.p_smhd->i_balance / 256 );
1470 MP4_READBOX_EXIT( 1 );
1474 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
1476 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t, NULL );
1478 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
1480 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
1481 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
1483 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
1484 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
1486 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1489 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1490 p_box->data.p_hmhd->i_max_PDU_size,
1491 p_box->data.p_hmhd->i_avg_PDU_size,
1492 p_box->data.p_hmhd->i_max_bitrate,
1493 p_box->data.p_hmhd->i_avg_bitrate );
1495 MP4_READBOX_EXIT( 1 );
1498 static void MP4_FreeBox_url( MP4_Box_t *p_box )
1500 free( p_box->data.p_url->psz_location );
1503 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
1505 MP4_READBOX_ENTER( MP4_Box_data_url_t, MP4_FreeBox_url );
1507 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1508 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1511 msg_Dbg( p_stream, "read box: \"url\" url: %s",
1512 p_box->data.p_url->psz_location );
1515 MP4_READBOX_EXIT( 1 );
1518 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
1520 free( p_box->data.p_urn->psz_name );
1521 free( p_box->data.p_urn->psz_location );
1524 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
1526 MP4_READBOX_ENTER( MP4_Box_data_urn_t, MP4_FreeBox_urn );
1528 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1530 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1531 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1534 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
1535 p_box->data.p_urn->psz_name,
1536 p_box->data.p_urn->psz_location );
1538 MP4_READBOX_EXIT( 1 );
1541 static int MP4_ReadBox_LtdContainer( stream_t *p_stream, MP4_Box_t *p_box )
1543 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_lcont_t, 16, NULL );
1545 MP4_READBOX_EXIT( 0 );
1547 MP4_GETVERSIONFLAGS( p_box->data.p_lcont );
1548 if( p_box->data.p_lcont->i_version != 0 )
1549 MP4_READBOX_EXIT( 0 );
1550 MP4_GET4BYTES( p_box->data.p_lcont->i_entry_count );
1552 uint32_t i_entry = 0;
1553 i_read = p_box->i_size - 16;
1554 while (i_read > 8 && i_entry < p_box->data.p_lcont->i_entry_count )
1556 MP4_Box_t *p_childbox = MP4_ReadBox( p_stream, p_box );
1559 MP4_BoxAddChild( p_box, p_childbox );
1561 i_read -= p_childbox->i_size;
1564 if (i_entry != p_box->data.p_lcont->i_entry_count)
1565 p_box->data.p_lcont->i_entry_count = i_entry;
1568 msg_Dbg( p_stream, "read box: \"%4.4s\" entry-count %d", (char *)&p_box->i_type,
1569 p_box->data.p_lcont->i_entry_count );
1573 if ( MP4_Seek( p_stream, p_box->i_pos + p_box->i_size ) )
1574 MP4_READBOX_EXIT( 0 );
1576 MP4_READBOX_EXIT( 1 );
1579 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1581 free( p_box->data.p_stts->pi_sample_count );
1582 free( p_box->data.p_stts->pi_sample_delta );
1585 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
1589 MP4_READBOX_ENTER( MP4_Box_data_stts_t, MP4_FreeBox_stts );
1591 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1592 MP4_GET4BYTES( count );
1594 if( UINT64_C(8) * count > i_read )
1596 /*count = i_read / 8;*/
1597 MP4_READBOX_EXIT( 0 );
1600 p_box->data.p_stts->pi_sample_count = vlc_alloc( count, sizeof(uint32_t) );
1601 p_box->data.p_stts->pi_sample_delta = vlc_alloc( count, sizeof(int32_t) );
1602 p_box->data.p_stts->i_entry_count = count;
1604 if( p_box->data.p_stts->pi_sample_count == NULL
1605 || p_box->data.p_stts->pi_sample_delta == NULL )
1607 MP4_READBOX_EXIT( 0 );
1610 for( uint32_t i = 0; i < count; i++ )
1612 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_count[i] );
1613 MP4_GET4BYTES( p_box->data.p_stts->pi_sample_delta[i] );
1617 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
1618 p_box->data.p_stts->i_entry_count );
1621 MP4_READBOX_EXIT( 1 );
1625 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1627 free( p_box->data.p_ctts->pi_sample_count );
1628 free( p_box->data.p_ctts->pi_sample_offset );
1631 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
1635 MP4_READBOX_ENTER( MP4_Box_data_ctts_t, MP4_FreeBox_ctts );
1637 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1638 MP4_GET4BYTES( count );
1640 if( UINT64_C(8) * count > i_read )
1641 MP4_READBOX_EXIT( 0 );
1643 p_box->data.p_ctts->pi_sample_count = vlc_alloc( count, sizeof(uint32_t) );
1644 p_box->data.p_ctts->pi_sample_offset = vlc_alloc( count, sizeof(int32_t) );
1645 if( unlikely(p_box->data.p_ctts->pi_sample_count == NULL
1646 || p_box->data.p_ctts->pi_sample_offset == NULL) )
1647 MP4_READBOX_EXIT( 0 );
1648 p_box->data.p_ctts->i_entry_count = count;
1650 for( uint32_t i = 0; i < count; i++ )
1652 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_count[i] );
1653 MP4_GET4BYTES( p_box->data.p_ctts->pi_sample_offset[i] );
1657 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %"PRIu32, count );
1660 MP4_READBOX_EXIT( 1 );
1663 static int MP4_ReadBox_cslg( stream_t *p_stream, MP4_Box_t *p_box )
1665 MP4_READBOX_ENTER( MP4_Box_data_cslg_t, NULL );
1667 unsigned i_version, i_flags;
1668 MP4_GET1BYTE( i_version );
1669 MP4_GET3BYTES( i_flags );
1670 VLC_UNUSED(i_flags);
1673 MP4_READBOX_EXIT( 0 );
1675 #define READ_CSLG(readbytes) {\
1676 readbytes( p_box->data.p_cslg->ct_to_dts_shift );\
1677 readbytes( p_box->data.p_cslg->i_least_delta );\
1678 readbytes( p_box->data.p_cslg->i_max_delta );\
1679 readbytes( p_box->data.p_cslg->i_composition_starttime );\
1680 readbytes( p_box->data.p_cslg->i_composition_endtime ); }
1682 if( i_version == 0 )
1683 READ_CSLG(MP4_GET4BYTES)
1685 READ_CSLG(MP4_GET8BYTES)
1687 MP4_READBOX_EXIT( 1 );
1690 static uint64_t MP4_ReadLengthDescriptor( uint8_t **restrict bufp,
1691 uint64_t *restrict lenp )
1693 unsigned char *buf = *bufp;
1694 uint64_t len = *lenp;
1700 if (unlikely(len == 0))
1701 return -1; /* end of bit stream */
1702 if (unlikely(value > (UINT64_MAX >> 7)))
1703 return -1; /* integer overflow */
1707 value = (value << 7) + (b & 0x7f);
1717 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1719 free( p_box->data.p_esds->es_descriptor.psz_URL );
1720 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1722 free( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1723 free( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1727 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
1729 #define es_descriptor p_box->data.p_esds->es_descriptor
1731 unsigned int i_flags;
1732 unsigned int i_type;
1734 MP4_READBOX_ENTER( MP4_Box_data_esds_t, MP4_FreeBox_esds );
1736 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1739 MP4_GET1BYTE( i_type );
1740 if( i_type == 0x03 ) /* MP4ESDescrTag ISO/IEC 14496-1 8.3.3 */
1742 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1743 if( unlikely(i_len == UINT64_C(-1)) )
1744 MP4_READBOX_EXIT( 0 );
1747 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%"PRIu64" bytes)",
1751 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1752 MP4_GET1BYTE( i_flags );
1753 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1754 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1755 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1757 es_descriptor.i_stream_priority = i_flags&0x1f;
1758 if( es_descriptor.b_stream_dependence )
1760 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1762 if( es_descriptor.b_url && i_read > 0 )
1766 MP4_GET1BYTE( i_url );
1767 if( i_url > i_read )
1768 MP4_READBOX_EXIT( 1 );
1769 es_descriptor.psz_URL = malloc( (unsigned) i_url + 1 );
1770 if( es_descriptor.psz_URL )
1772 memcpy( es_descriptor.psz_URL, p_peek, i_url );
1773 es_descriptor.psz_URL[i_url] = 0;
1780 es_descriptor.psz_URL = NULL;
1782 if( es_descriptor.b_OCRstream )
1784 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1786 MP4_GET1BYTE( i_type ); /* get next type */
1789 if( i_type != 0x04)/* MP4DecConfigDescrTag ISO/IEC 14496-1 8.3.4 */
1791 es_descriptor.p_decConfigDescr = NULL;
1792 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1795 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1796 if( unlikely(i_len == UINT64_C(-1)) )
1797 MP4_READBOX_EXIT( 0 );
1799 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%"PRIu64" bytes)",
1803 es_descriptor.p_decConfigDescr =
1804 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
1805 if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
1806 MP4_READBOX_EXIT( 0 );
1808 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectProfileIndication );
1809 MP4_GET1BYTE( i_flags );
1810 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1811 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1812 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1813 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1814 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1815 MP4_GET1BYTE( i_type );
1816 if( i_type != 0x05 )/* MP4DecSpecificDescrTag ISO/IEC 14496-1 8.3.5 */
1818 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1819 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1820 MP4_READBOX_EXIT( 1 );
1823 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1824 if( unlikely(i_len == UINT64_C(-1)) )
1825 MP4_READBOX_EXIT( 0 );
1827 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%"PRIu64" bytes)",
1830 if( i_len > i_read )
1831 MP4_READBOX_EXIT( 0 );
1833 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1834 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1835 if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
1836 MP4_READBOX_EXIT( 0 );
1838 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1841 MP4_READBOX_EXIT( 1 );
1842 #undef es_descriptor
1845 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1847 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1849 free( p_avcC->p_avcC );
1853 for( int i = 0; i < p_avcC->i_sps; i++ )
1854 free( p_avcC->sps[i] );
1855 free( p_avcC->sps );
1857 free( p_avcC->i_sps_length );
1861 for( int i = 0; i < p_avcC->i_pps; i++ )
1862 free( p_avcC->pps[i] );
1863 free( p_avcC->pps );
1865 free( p_avcC->i_pps_length );
1868 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1870 MP4_Box_data_avcC_t *p_avcC;
1873 MP4_READBOX_ENTER( MP4_Box_data_avcC_t, MP4_FreeBox_avcC );
1874 p_avcC = p_box->data.p_avcC;
1876 p_avcC->i_avcC = i_read;
1877 if( p_avcC->i_avcC > 0 )
1879 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1881 memcpy( p, p_peek, i_read );
1884 MP4_GET1BYTE( p_avcC->i_version );
1885 MP4_GET1BYTE( p_avcC->i_profile );
1886 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1887 MP4_GET1BYTE( p_avcC->i_level );
1888 MP4_GET1BYTE( p_avcC->i_reserved1 );
1889 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1890 p_avcC->i_reserved1 >>= 2;
1892 MP4_GET1BYTE( p_avcC->i_reserved2 );
1893 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1894 p_avcC->i_reserved2 >>= 5;
1896 if( p_avcC->i_sps > 0 )
1898 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1899 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1901 if( !p_avcC->i_sps_length || !p_avcC->sps )
1904 for( i = 0; i < p_avcC->i_sps && i_read > 2; i++ )
1906 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1907 if ( p_avcC->i_sps_length[i] > i_read )
1909 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1910 if( p_avcC->sps[i] )
1911 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1913 p_peek += p_avcC->i_sps_length[i];
1914 i_read -= p_avcC->i_sps_length[i];
1916 if ( i != p_avcC->i_sps )
1920 MP4_GET1BYTE( p_avcC->i_pps );
1921 if( p_avcC->i_pps > 0 )
1923 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1924 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1926 if( !p_avcC->i_pps_length || !p_avcC->pps )
1929 for( i = 0; i < p_avcC->i_pps && i_read > 2; i++ )
1931 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1932 if( p_avcC->i_pps_length[i] > i_read )
1934 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1935 if( p_avcC->pps[i] )
1936 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1938 p_peek += p_avcC->i_pps_length[i];
1939 i_read -= p_avcC->i_pps_length[i];
1941 if ( i != p_avcC->i_pps )
1946 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1947 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1948 p_avcC->i_length_size,
1949 p_avcC->i_sps, p_avcC->i_pps );
1950 for( i = 0; i < p_avcC->i_sps; i++ )
1952 msg_Dbg( p_stream, " - sps[%d] length=%d",
1953 i, p_avcC->i_sps_length[i] );
1955 for( i = 0; i < p_avcC->i_pps; i++ )
1957 msg_Dbg( p_stream, " - pps[%d] length=%d",
1958 i, p_avcC->i_pps_length[i] );
1962 MP4_READBOX_EXIT( 1 );
1965 MP4_FreeBox_avcC( p_box );
1966 MP4_READBOX_EXIT( 0 );
1969 static void MP4_FreeBox_vpcC( MP4_Box_t *p_box )
1971 free( p_box->data.p_vpcC->p_codec_init_data );
1974 static int MP4_ReadBox_vpcC( stream_t *p_stream, MP4_Box_t *p_box )
1976 MP4_READBOX_ENTER( MP4_Box_data_vpcC_t, MP4_FreeBox_vpcC );
1977 MP4_Box_data_vpcC_t *p_vpcC = p_box->data.p_vpcC;
1979 if( p_box->i_size < 6 )
1980 MP4_READBOX_EXIT( 0 );
1983 MP4_GET1BYTE( i_version );
1984 if( i_version != 0 )
1985 MP4_READBOX_EXIT( 0 );
1987 MP4_GET1BYTE( p_vpcC->i_profile );
1988 MP4_GET1BYTE( p_vpcC->i_level );
1989 MP4_GET1BYTE( p_vpcC->i_bit_depth );
1990 p_vpcC->i_color_space = p_vpcC->i_bit_depth & 0x0F;
1991 p_vpcC->i_bit_depth >>= 4;
1992 MP4_GET1BYTE( p_vpcC->i_chroma_subsampling );
1993 p_vpcC->i_xfer_function = ( p_vpcC->i_chroma_subsampling & 0x0F ) >> 1;
1994 p_vpcC->i_fullrange = p_vpcC->i_chroma_subsampling & 0x01;
1995 p_vpcC->i_chroma_subsampling >>= 4;
1996 MP4_GET2BYTES( p_vpcC->i_codec_init_datasize );
1997 if( p_vpcC->i_codec_init_datasize > i_read )
1998 p_vpcC->i_codec_init_datasize = i_read;
2000 if( p_vpcC->i_codec_init_datasize )
2002 p_vpcC->p_codec_init_data = malloc( i_read );
2003 if( !p_vpcC->p_codec_init_data )
2004 MP4_READBOX_EXIT( 0 );
2005 memcpy( p_vpcC->p_codec_init_data, p_peek, i_read );
2008 MP4_READBOX_EXIT( 1 );
2011 static void MP4_FreeBox_WMA2( MP4_Box_t *p_box )
2013 free( p_box->data.p_WMA2->p_extra );
2016 static int MP4_ReadBox_WMA2( stream_t *p_stream, MP4_Box_t *p_box )
2018 MP4_READBOX_ENTER( MP4_Box_data_WMA2_t, MP4_FreeBox_WMA2 );
2020 MP4_Box_data_WMA2_t *p_WMA2 = p_box->data.p_WMA2;
2022 MP4_GET2BYTESLE( p_WMA2->Format.wFormatTag );
2023 MP4_GET2BYTESLE( p_WMA2->Format.nChannels );
2024 MP4_GET4BYTESLE( p_WMA2->Format.nSamplesPerSec );
2025 MP4_GET4BYTESLE( p_WMA2->Format.nAvgBytesPerSec );
2026 MP4_GET2BYTESLE( p_WMA2->Format.nBlockAlign );
2027 MP4_GET2BYTESLE( p_WMA2->Format.wBitsPerSample );
2030 MP4_GET2BYTESLE( i_cbSize );
2032 if( i_cbSize > i_read )
2035 p_WMA2->i_extra = i_cbSize;
2036 if ( p_WMA2->i_extra )
2038 p_WMA2->p_extra = malloc( p_WMA2->i_extra );
2039 if ( ! p_WMA2->p_extra )
2041 memcpy( p_WMA2->p_extra, p_peek, p_WMA2->i_extra );
2044 MP4_READBOX_EXIT( 1 );
2047 MP4_READBOX_EXIT( 0 );
2050 static void MP4_FreeBox_strf( MP4_Box_t *p_box )
2052 free( p_box->data.p_strf->p_extra );
2055 static int MP4_ReadBox_strf( stream_t *p_stream, MP4_Box_t *p_box )
2057 MP4_READBOX_ENTER( MP4_Box_data_strf_t, MP4_FreeBox_strf );
2059 MP4_Box_data_strf_t *p_strf = p_box->data.p_strf;
2064 MP4_GET4BYTESLE( p_strf->bmiHeader.biSize );
2065 MP4_GET4BYTESLE( p_strf->bmiHeader.biWidth );
2066 MP4_GET4BYTESLE( p_strf->bmiHeader.biHeight );
2067 MP4_GET2BYTESLE( p_strf->bmiHeader.biPlanes );
2068 MP4_GET2BYTESLE( p_strf->bmiHeader.biBitCount );
2069 MP4_GETFOURCC( p_strf->bmiHeader.biCompression );
2070 MP4_GET4BYTESLE( p_strf->bmiHeader.biSizeImage );
2071 MP4_GET4BYTESLE( p_strf->bmiHeader.biXPelsPerMeter );
2072 MP4_GET4BYTESLE( p_strf->bmiHeader.biYPelsPerMeter );
2073 MP4_GET4BYTESLE( p_strf->bmiHeader.biClrUsed );
2074 MP4_GET4BYTESLE( p_strf->bmiHeader.biClrImportant );
2076 p_strf->i_extra = i_read;
2077 if ( p_strf->i_extra )
2079 p_strf->p_extra = malloc( p_strf->i_extra );
2080 if ( ! p_strf->p_extra )
2082 memcpy( p_strf->p_extra, p_peek, i_read );
2085 MP4_READBOX_EXIT( 1 );
2088 MP4_READBOX_EXIT( 0 );
2091 static int MP4_ReadBox_ASF( stream_t *p_stream, MP4_Box_t *p_box )
2093 MP4_READBOX_ENTER( MP4_Box_data_ASF_t, NULL );
2095 MP4_Box_data_ASF_t *p_asf = p_box->data.p_asf;
2098 MP4_READBOX_EXIT( 0 );
2100 MP4_GET1BYTE( p_asf->i_stream_number );
2101 /* remaining is unknown */
2103 MP4_READBOX_EXIT( 1 );
2106 static void MP4_FreeBox_sbgp( MP4_Box_t *p_box )
2108 MP4_Box_data_sbgp_t *p_sbgp = p_box->data.p_sbgp;
2109 free( p_sbgp->entries.pi_sample_count );
2110 free( p_sbgp->entries.pi_group_description_index );
2113 static int MP4_ReadBox_sbgp( stream_t *p_stream, MP4_Box_t *p_box )
2115 MP4_READBOX_ENTER( MP4_Box_data_sbgp_t, MP4_FreeBox_sbgp );
2116 MP4_Box_data_sbgp_t *p_sbgp = p_box->data.p_sbgp;
2120 MP4_READBOX_EXIT( 0 );
2122 MP4_GET1BYTE( p_sbgp->i_version );
2123 MP4_GET3BYTES( i_flags );
2125 MP4_READBOX_EXIT( 0 );
2127 MP4_GETFOURCC( p_sbgp->i_grouping_type );
2129 if( p_sbgp->i_version == 1 )
2132 MP4_READBOX_EXIT( 0 );
2133 MP4_GET4BYTES( p_sbgp->i_grouping_type_parameter );
2136 MP4_GET4BYTES( p_sbgp->i_entry_count );
2137 if( p_sbgp->i_entry_count > i_read / (4 + 4) )
2138 p_sbgp->i_entry_count = i_read / (4 + 4);
2140 p_sbgp->entries.pi_sample_count = vlc_alloc( p_sbgp->i_entry_count, sizeof(uint32_t) );
2141 p_sbgp->entries.pi_group_description_index = vlc_alloc( p_sbgp->i_entry_count, sizeof(uint32_t) );
2143 if( !p_sbgp->entries.pi_sample_count || !p_sbgp->entries.pi_group_description_index )
2145 MP4_FreeBox_sbgp( p_box );
2146 MP4_READBOX_EXIT( 0 );
2149 for( uint32_t i=0; i<p_sbgp->i_entry_count; i++ )
2151 MP4_GET4BYTES( p_sbgp->entries.pi_sample_count[i] );
2152 MP4_GET4BYTES( p_sbgp->entries.pi_group_description_index[i] );
2157 "read box: \"sbgp\" grouping type %4.4s", (char*) &p_sbgp->i_grouping_type );
2158 #ifdef MP4_ULTRA_VERBOSE
2159 for (uint32_t i = 0; i < p_sbgp->i_entry_count; i++)
2160 msg_Dbg( p_stream, "\t samples %" PRIu32 " group %" PRIu32,
2161 p_sbgp->entries.pi_sample_count[i],
2162 p_sbgp->entries.pi_group_description_index[i] );
2166 MP4_READBOX_EXIT( 1 );
2169 static void MP4_FreeBox_sgpd( MP4_Box_t *p_box )
2171 MP4_Box_data_sgpd_t *p_sgpd = p_box->data.p_sgpd;
2172 free( p_sgpd->p_entries );
2175 static int MP4_ReadBox_sgpd( stream_t *p_stream, MP4_Box_t *p_box )
2177 MP4_READBOX_ENTER( MP4_Box_data_sgpd_t, MP4_FreeBox_sgpd );
2178 MP4_Box_data_sgpd_t *p_sgpd = p_box->data.p_sgpd;
2180 uint32_t i_default_length = 0;
2183 MP4_READBOX_EXIT( 0 );
2185 MP4_GET1BYTE( p_sgpd->i_version );
2186 MP4_GET3BYTES( i_flags );
2188 MP4_READBOX_EXIT( 0 );
2190 MP4_GETFOURCC( p_sgpd->i_grouping_type );
2192 switch( p_sgpd->i_grouping_type )
2194 case SAMPLEGROUP_rap:
2200 "read box: \"sgpd\" grouping type %4.4s (unimplemented)", (char*) &p_sgpd->i_grouping_type );
2202 MP4_READBOX_EXIT( 1 );
2205 if( p_sgpd->i_version == 1 )
2208 MP4_READBOX_EXIT( 0 );
2209 MP4_GET4BYTES( i_default_length );
2211 else if( p_sgpd->i_version >= 2 )
2214 MP4_READBOX_EXIT( 0 );
2215 MP4_GET4BYTES( p_sgpd->i_default_sample_description_index );
2218 MP4_GET4BYTES( p_sgpd->i_entry_count );
2220 p_sgpd->p_entries = vlc_alloc( p_sgpd->i_entry_count, sizeof(*p_sgpd->p_entries) );
2221 if( !p_sgpd->p_entries )
2222 MP4_READBOX_EXIT( 0 );
2225 for( ; i<p_sgpd->i_entry_count; i++ )
2227 uint32_t i_description_length = i_default_length;
2228 if( p_sgpd->i_version == 1 && i_default_length == 0 )
2232 MP4_GET4BYTES( i_description_length );
2235 if( p_sgpd->i_version == 1 && i_read < i_description_length )
2238 switch( p_sgpd->i_grouping_type )
2240 case SAMPLEGROUP_rap:
2244 p_sgpd->i_entry_count = 0;
2245 MP4_FreeBox_sgpd( p_box );
2246 MP4_READBOX_EXIT( 0 );
2249 MP4_GET1BYTE( i_data );
2250 p_sgpd->p_entries[i].rap.i_num_leading_samples_known = i_data & 0x80;
2251 p_sgpd->p_entries[i].rap.i_num_leading_samples = i_data & 0x7F;
2260 if( i != p_sgpd->i_entry_count )
2261 p_sgpd->i_entry_count = i;
2265 "read box: \"sgpd\" grouping type %4.4s", (char*) &p_sgpd->i_grouping_type );
2268 MP4_READBOX_EXIT( 1 );
2271 static void MP4_FreeBox_stsdext_chan( MP4_Box_t *p_box )
2273 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
2274 free( p_chan->layout.p_descriptions );
2277 static int MP4_ReadBox_stsdext_chan( stream_t *p_stream, MP4_Box_t *p_box )
2279 MP4_READBOX_ENTER( MP4_Box_data_chan_t, MP4_FreeBox_stsdext_chan );
2280 MP4_Box_data_chan_t *p_chan = p_box->data.p_chan;
2283 MP4_READBOX_EXIT( 0 );
2285 MP4_GET1BYTE( p_chan->i_version );
2286 MP4_GET3BYTES( p_chan->i_channels_flags );
2287 MP4_GET4BYTES( p_chan->layout.i_channels_layout_tag );
2288 MP4_GET4BYTES( p_chan->layout.i_channels_bitmap );
2289 MP4_GET4BYTES( p_chan->layout.i_channels_description_count );
2291 size_t i_descsize = 8 + 3 * sizeof(float);
2292 if ( i_read < p_chan->layout.i_channels_description_count * i_descsize )
2293 MP4_READBOX_EXIT( 0 );
2295 p_chan->layout.p_descriptions =
2296 vlc_alloc( p_chan->layout.i_channels_description_count, i_descsize );
2298 if ( !p_chan->layout.p_descriptions )
2299 MP4_READBOX_EXIT( 0 );
2302 for( i=0; i<p_chan->layout.i_channels_description_count; i++ )
2306 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_label );
2307 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].i_channel_flags );
2308 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[0] );
2309 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[1] );
2310 MP4_GET4BYTES( p_chan->layout.p_descriptions[i].f_coordinates[2] );
2312 if ( i<p_chan->layout.i_channels_description_count )
2313 p_chan->layout.i_channels_description_count = i;
2317 "read box: \"chan\" flags=0x%x tag=0x%x bitmap=0x%x descriptions=%u",
2318 p_chan->i_channels_flags, p_chan->layout.i_channels_layout_tag,
2319 p_chan->layout.i_channels_bitmap, p_chan->layout.i_channels_description_count );
2321 MP4_READBOX_EXIT( 1 );
2324 static int MP4_ReadBox_dec3( stream_t *p_stream, MP4_Box_t *p_box )
2326 MP4_READBOX_ENTER( MP4_Box_data_dec3_t, NULL );
2328 MP4_Box_data_dec3_t *p_dec3 = p_box->data.p_dec3;
2331 MP4_GET2BYTES( i_header );
2333 p_dec3->i_data_rate = i_header >> 3;
2334 p_dec3->i_num_ind_sub = (i_header & 0x7) + 1;
2335 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++) {
2336 MP4_GET3BYTES( i_header );
2337 p_dec3->stream[i].i_fscod = ( i_header >> 22 ) & 0x03;
2338 p_dec3->stream[i].i_bsid = ( i_header >> 17 ) & 0x01f;
2339 p_dec3->stream[i].i_bsmod = ( i_header >> 12 ) & 0x01f;
2340 p_dec3->stream[i].i_acmod = ( i_header >> 9 ) & 0x07;
2341 p_dec3->stream[i].i_lfeon = ( i_header >> 8 ) & 0x01;
2342 p_dec3->stream[i].i_num_dep_sub = (i_header >> 1) & 0x0f;
2343 if (p_dec3->stream[i].i_num_dep_sub) {
2344 MP4_GET1BYTE( p_dec3->stream[i].i_chan_loc );
2345 p_dec3->stream[i].i_chan_loc |= (i_header & 1) << 8;
2347 p_dec3->stream[i].i_chan_loc = 0;
2352 "read box: \"dec3\" bitrate %dkbps %d independent substreams",
2353 p_dec3->i_data_rate, p_dec3->i_num_ind_sub);
2355 for (uint8_t i = 0; i < p_dec3->i_num_ind_sub; i++)
2357 "\tstream %d: bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x "
2358 "num dependent subs=%d chan_loc=0x%x",
2359 i, p_dec3->stream[i].i_bsid, p_dec3->stream[i].i_bsmod, p_dec3->stream[i].i_acmod,
2360 p_dec3->stream[i].i_lfeon, p_dec3->stream[i].i_num_dep_sub, p_dec3->stream[i].i_chan_loc );
2362 MP4_READBOX_EXIT( 1 );
2365 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
2367 MP4_Box_data_dac3_t *p_dac3;
2368 MP4_READBOX_ENTER( MP4_Box_data_dac3_t, NULL );
2370 p_dac3 = p_box->data.p_dac3;
2373 MP4_GET3BYTES( i_header );
2375 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
2376 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
2377 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
2378 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
2379 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
2380 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
2384 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
2385 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 );
2387 MP4_READBOX_EXIT( 1 );
2390 static void MP4_FreeBox_dvc1( MP4_Box_t *p_box )
2392 free( p_box->data.p_dvc1->p_vc1 );
2395 static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
2397 MP4_READBOX_ENTER( MP4_Box_data_dvc1_t, MP4_FreeBox_dvc1 );
2399 MP4_READBOX_EXIT( 0 );
2401 MP4_Box_data_dvc1_t *p_dvc1 = p_box->data.p_dvc1;
2402 MP4_GET1BYTE( p_dvc1->i_profile_level );
2403 p_dvc1->i_vc1 = i_read; /* Header + profile_level */
2404 if( p_dvc1->i_vc1 > 0 && (p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 )) )
2405 memcpy( p_dvc1->p_vc1, p_peek, i_read );
2409 "read box: \"dvc1\" profile=%"PRIu8, (p_dvc1->i_profile_level & 0xf0) >> 4 );
2412 MP4_READBOX_EXIT( 1 );
2415 static int MP4_ReadBox_fiel( stream_t *p_stream, MP4_Box_t *p_box )
2417 MP4_Box_data_fiel_t *p_fiel;
2418 MP4_READBOX_ENTER( MP4_Box_data_fiel_t, NULL );
2419 p_fiel = p_box->data.p_fiel;
2421 MP4_READBOX_EXIT( 0 );
2424 p_fiel->i_flags = BLOCK_FLAG_SINGLE_FIELD;
2426 else if(p_peek[0] == 2) /* Interlaced */
2429 * 0 – There is only one field.
2430 * 1 – T is displayed earliest, T is stored first in the file.
2431 * 6 – B is displayed earliest, B is stored first in the file.
2432 * 9 – B is displayed earliest, T is stored first in the file.
2433 * 14 – T is displayed earliest, B is stored first in the file.
2435 if(p_peek[1] == 1 || p_peek[1] == 9)
2436 p_fiel->i_flags = BLOCK_FLAG_TOP_FIELD_FIRST;
2437 else if(p_peek[1] == 6 || p_peek[1] == 14)
2438 p_fiel->i_flags = BLOCK_FLAG_BOTTOM_FIELD_FIRST;
2440 MP4_READBOX_EXIT( 1 );
2443 static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
2445 MP4_Box_data_enda_t *p_enda;
2446 MP4_READBOX_ENTER( MP4_Box_data_enda_t, NULL );
2448 p_enda = p_box->data.p_enda;
2450 MP4_GET2BYTES( p_enda->i_little_endian );
2454 "read box: \"enda\" little_endian=%d", p_enda->i_little_endian );
2456 MP4_READBOX_EXIT( 1 );
2459 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
2461 free( p_box->data.p_sample_soun->p_qt_description );
2464 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
2466 p_box->i_handler = ATOM_soun;
2467 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t, MP4_FreeBox_sample_soun );
2468 p_box->data.p_sample_soun->p_qt_description = NULL;
2470 size_t i_actually_read = i_read + header_size;
2472 /* Sanity check needed because the "wave" box does also contain an
2473 * "mp4a" box that we don't understand. */
2476 MP4_READBOX_EXIT( 1 );
2479 for( unsigned i = 0; i < 6 ; i++ )
2481 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
2484 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
2487 * XXX hack -> produce a copy of the nearly complete chunk
2489 p_box->data.p_sample_soun->i_qt_description = 0;
2490 p_box->data.p_sample_soun->p_qt_description = NULL;
2493 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
2494 if( p_box->data.p_sample_soun->p_qt_description )
2496 p_box->data.p_sample_soun->i_qt_description = i_read;
2497 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
2501 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
2502 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
2503 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
2505 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
2506 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
2507 MP4_GET2BYTES( p_box->data.p_sample_soun->i_compressionid );
2508 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
2509 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
2510 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
2514 "read box: \"soun\" stsd qt_version %"PRIu16" compid=%"PRIx16,
2515 p_box->data.p_sample_soun->i_qt_version,
2516 p_box->data.p_sample_soun->i_compressionid );
2519 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
2521 /* SoundDescriptionV1 */
2522 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
2523 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
2524 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
2525 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
2529 "read box: \"soun\" V1 sample/packet=%d bytes/packet=%d "
2530 "bytes/frame=%d bytes/sample=%d",
2531 p_box->data.p_sample_soun->i_sample_per_packet,
2532 p_box->data.p_sample_soun->i_bytes_per_packet,
2533 p_box->data.p_sample_soun->i_bytes_per_frame,
2534 p_box->data.p_sample_soun->i_bytes_per_sample );
2538 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
2540 /* SoundDescriptionV2 */
2541 double f_sample_rate;
2543 uint32_t i_channel, i_extoffset, i_dummy32;
2546 if ( p_box->data.p_sample_soun->i_channelcount != 0x3 ||
2547 p_box->data.p_sample_soun->i_samplesize != 0x0010 ||
2548 p_box->data.p_sample_soun->i_compressionid != 0xFFFE ||
2549 p_box->data.p_sample_soun->i_reserved3 != 0x0 ||
2550 p_box->data.p_sample_soun->i_sampleratehi != 0x1 ||//65536
2551 p_box->data.p_sample_soun->i_sampleratelo != 0x0 ) //remainder
2553 msg_Err( p_stream, "invalid stsd V2 box defaults" );
2554 MP4_READBOX_EXIT( 0 );
2558 MP4_GET4BYTES( i_extoffset ); /* offset to stsd extentions */
2559 MP4_GET8BYTES( i_dummy64 );
2560 memcpy( &f_sample_rate, &i_dummy64, 8 );
2561 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
2562 /* Rounding error with lo, but we don't care since we do not support fractional audio rate */
2563 p_box->data.p_sample_soun->i_sampleratehi = (uint32_t)f_sample_rate;
2564 p_box->data.p_sample_soun->i_sampleratelo = (f_sample_rate - p_box->data.p_sample_soun->i_sampleratehi);
2566 MP4_GET4BYTES( i_channel );
2567 p_box->data.p_sample_soun->i_channelcount = i_channel;
2569 MP4_GET4BYTES( i_dummy32 );
2570 if ( i_dummy32 != 0x7F000000 )
2572 msg_Err( p_stream, "invalid stsd V2 box" );
2573 MP4_READBOX_EXIT( 0 );
2576 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbitsperchannel );
2577 MP4_GET4BYTES( p_box->data.p_sample_soun->i_formatflags );
2578 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constbytesperaudiopacket );
2579 MP4_GET4BYTES( p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
2582 msg_Dbg( p_stream, "read box: \"soun\" V2 rate=%f bitsperchannel=%u "
2583 "flags=%u bytesperpacket=%u lpcmframesperpacket=%u",
2585 p_box->data.p_sample_soun->i_constbitsperchannel,
2586 p_box->data.p_sample_soun->i_formatflags,
2587 p_box->data.p_sample_soun->i_constbytesperaudiopacket,
2588 p_box->data.p_sample_soun->i_constLPCMframesperaudiopacket );
2591 if( i_extoffset > i_actually_read )
2592 i_extoffset = i_actually_read;
2593 p_peek = &p_buff[i_extoffset];
2594 i_read = i_actually_read - i_extoffset;
2598 p_box->data.p_sample_soun->i_sample_per_packet = 0;
2599 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
2600 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
2601 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
2604 msg_Dbg( p_stream, "read box: \"soun\" V0 or qt1/2 (rest=%"PRIu64")",
2610 if( p_box->i_type == ATOM_drms )
2612 msg_Warn( p_stream, "DRM protected streams are not supported." );
2613 MP4_READBOX_EXIT( 0 );
2616 if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
2618 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
2619 p_box->data.p_sample_soun->i_channelcount = 1;
2622 /* Loads extensions */
2623 MP4_ReadBoxContainerRawInBox( p_stream, p_box, p_peek, i_read,
2624 p_box->i_pos + p_peek - p_buff ); /* esds/wave/... */
2627 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
2628 "sample size %d sample rate %f",
2629 p_box->data.p_sample_soun->i_channelcount,
2630 p_box->data.p_sample_soun->i_samplesize,
2631 (float)p_box->data.p_sample_soun->i_sampleratehi +
2632 (float)p_box->data.p_sample_soun->i_sampleratelo / BLOCK16x16 );
2635 MP4_READBOX_EXIT( 1 );
2638 static void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
2640 free( p_box->data.p_sample_vide->p_qt_image_description );
2643 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
2645 p_box->i_handler = ATOM_vide;
2646 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t, MP4_FreeBox_sample_vide );
2648 size_t i_actually_read = i_read + header_size;
2650 for( unsigned i = 0; i < 6 ; i++ )
2652 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
2655 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
2658 * XXX hack -> produce a copy of the nearly complete chunk
2662 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
2663 if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
2664 MP4_READBOX_EXIT( 0 );
2665 p_box->data.p_sample_vide->i_qt_image_description = i_read;
2666 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
2671 p_box->data.p_sample_vide->i_qt_image_description = 0;
2672 p_box->data.p_sample_vide->p_qt_image_description = NULL;
2675 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
2676 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
2677 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
2679 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
2680 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
2682 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
2683 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
2685 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
2686 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
2688 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
2689 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
2692 MP4_READBOX_EXIT( 0 );
2693 if( p_peek[0] <= 31 ) // Must be Pascal String
2695 memcpy( &p_box->data.p_sample_vide->sz_compressorname, &p_peek[1], p_peek[0] );
2696 p_box->data.p_sample_vide->sz_compressorname[p_peek[0]] = 0;
2698 p_peek += 32; i_read -= 32;
2700 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
2701 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
2703 if( p_box->i_type == ATOM_drmi )
2705 msg_Warn( p_stream, "DRM protected streams are not supported." );
2706 MP4_READBOX_EXIT( 0 );
2709 if( i_actually_read > 78 && p_peek - p_buff > 78 )
2711 MP4_ReadBoxContainerRawInBox( p_stream, p_box, p_peek, i_read,
2712 p_box->i_pos + p_peek - p_buff );
2716 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d (%s)",
2717 p_box->data.p_sample_vide->i_width,
2718 p_box->data.p_sample_vide->i_height,
2719 p_box->data.p_sample_vide->i_depth,
2720 p_box->data.p_sample_vide->sz_compressorname );
2723 MP4_READBOX_EXIT( 1 );
2726 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
2728 p_box->i_handler = ATOM_text;
2729 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_sample_text_t, 16, NULL );
2732 MP4_READBOX_EXIT( 0 );
2734 MP4_ReadBoxContainerChildren( p_stream, p_box, NULL );
2736 if ( MP4_Seek( p_stream, p_box->i_pos + p_box->i_size ) )
2737 MP4_READBOX_EXIT( 0 );
2739 MP4_READBOX_EXIT( 1 );
2742 static void MP4_FreeBox_sample_hint( MP4_Box_t *p_box )
2744 free( p_box->data.p_sample_hint->p_data );
2747 static int MP4_ReadBox_sample_hint8( stream_t *p_stream, MP4_Box_t *p_box )
2749 MP4_READBOX_ENTER_PARTIAL( MP4_Box_data_sample_hint_t, 24, MP4_FreeBox_sample_hint );
2751 for( unsigned i = 0; i < 6 ; i++ )
2753 MP4_GET1BYTE( p_box->data.p_sample_hint->i_reserved1[i] );
2756 MP4_GET2BYTES( p_box->data.p_sample_hint->i_data_reference_index );
2758 if( !(p_box->data.p_sample_hint->p_data = malloc(8)) )
2759 MP4_READBOX_EXIT( 0 );
2761 MP4_GET8BYTES( *(p_box->data.p_sample_hint->p_data) );
2763 MP4_ReadBoxContainerChildren(p_stream, p_box, NULL);
2765 if ( MP4_Seek( p_stream, p_box->i_pos + p_box->i_size ) )
2766 MP4_READBOX_EXIT( 0 );
2768 MP4_READBOX_EXIT( 1 );
2771 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
2775 p_box->i_handler = ATOM_text;
2776 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t, NULL );
2778 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2779 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2781 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2783 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2788 /* FIXME search right signification */
2790 p_box->data.p_sample_text->i_justification_horizontal = 1;
2791 p_box->data.p_sample_text->i_justification_vertical = 1;
2793 case -1: // Flush Right
2794 p_box->data.p_sample_text->i_justification_horizontal = -1;
2795 p_box->data.p_sample_text->i_justification_vertical = -1;
2797 case -2: // Flush Left
2798 p_box->data.p_sample_text->i_justification_horizontal = 0;
2799 p_box->data.p_sample_text->i_justification_vertical = 0;
2801 case 0: // Flush Default
2803 p_box->data.p_sample_text->i_justification_horizontal = 1;
2804 p_box->data.p_sample_text->i_justification_vertical = -1;
2808 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
2809 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
2810 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
2811 p_box->data.p_sample_text->i_background_color[3] = 0xFF;
2813 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2814 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2815 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2816 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2819 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
2821 MP4_READBOX_EXIT( 1 );
2824 static int MP4_ReadBox_sample_clcp( stream_t *p_stream, MP4_Box_t *p_box )
2826 p_box->i_handler = ATOM_clcp;
2827 MP4_READBOX_ENTER( MP4_Box_data_sample_clcp_t, NULL );
2830 MP4_READBOX_EXIT( 0 );
2832 for( int i=0; i<6; i++ )
2833 MP4_GET1BYTE( p_box->data.p_sample_clcp->i_reserved1[i] );
2834 MP4_GET2BYTES( p_box->data.p_sample_clcp->i_data_reference_index );
2837 msg_Dbg( p_stream, "read box: \"clcp\" in stsd" );
2839 MP4_READBOX_EXIT( 1 );
2842 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
2844 p_box->i_handler = ATOM_text;
2845 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t, NULL );
2847 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
2848 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
2850 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
2852 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
2854 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
2855 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
2857 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
2858 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
2859 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
2860 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
2862 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
2863 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
2864 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
2865 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
2867 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved3 );
2869 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_id );
2870 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_face );
2871 MP4_GET1BYTE ( p_box->data.p_sample_text->i_font_size );
2872 MP4_GET4BYTES( p_box->data.p_sample_text->i_font_color );
2875 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
2877 MP4_READBOX_EXIT( 1 );
2882 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
2883 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
2885 free( p_box->data.p_sample_text->psz_text_name );
2889 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
2891 free( p_box->data.p_stsz->i_entry_size );
2894 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
2898 MP4_READBOX_ENTER( MP4_Box_data_stsz_t, MP4_FreeBox_stsz );
2900 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
2902 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
2903 MP4_GET4BYTES( count );
2904 p_box->data.p_stsz->i_sample_count = count;
2906 if( p_box->data.p_stsz->i_sample_size == 0 )
2908 if( UINT64_C(4) * count > i_read )
2909 MP4_READBOX_EXIT( 0 );
2911 p_box->data.p_stsz->i_entry_size =
2912 vlc_alloc( count, sizeof(uint32_t) );
2913 if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
2914 MP4_READBOX_EXIT( 0 );
2916 for( uint32_t i = 0; i < count; i++ )
2918 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
2922 p_box->data.p_stsz->i_entry_size = NULL;
2925 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
2926 p_box->data.p_stsz->i_sample_size,
2927 p_box->data.p_stsz->i_sample_count );
2930 MP4_READBOX_EXIT( 1 );
2933 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
2935 free( p_box->data.p_stsc->i_first_chunk );
2936 free( p_box->data.p_stsc->i_samples_per_chunk );
2937 free( p_box->data.p_stsc->i_sample_description_index );
2940 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
2944 MP4_READBOX_ENTER( MP4_Box_data_stsc_t, MP4_FreeBox_stsc );
2946 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
2947 MP4_GET4BYTES( count );
2949 if( UINT64_C(12) * count > i_read )
2950 MP4_READBOX_EXIT( 0 );
2952 p_box->data.p_stsc->i_first_chunk = vlc_alloc( count, sizeof(uint32_t) );
2953 p_box->data.p_stsc->i_samples_per_chunk = vlc_alloc( count,
2955 p_box->data.p_stsc->i_sample_description_index = vlc_alloc( count,
2957 if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
2958 || p_box->data.p_stsc->i_samples_per_chunk == NULL
2959 || p_box->data.p_stsc->i_sample_description_index == NULL ) )
2961 MP4_READBOX_EXIT( 0 );
2963 p_box->data.p_stsc->i_entry_count = count;
2965 for( uint32_t i = 0; i < count;i++ )
2967 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
2968 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
2969 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
2973 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
2974 p_box->data.p_stsc->i_entry_count );
2977 MP4_READBOX_EXIT( 1 );
2980 static void MP4_FreeBox_sdp( MP4_Box_t *p_box )
2982 free( p_box->data.p_sdp->psz_text );
2985 static int MP4_ReadBox_sdp( stream_t *p_stream, MP4_Box_t *p_box )
2987 MP4_READBOX_ENTER( MP4_Box_data_sdp_t, MP4_FreeBox_sdp );
2989 MP4_GETSTRINGZ( p_box->data.p_sdp->psz_text );
2991 MP4_READBOX_EXIT( 1 );
2994 static void MP4_FreeBox_rtp( MP4_Box_t *p_box )
2996 free( p_box->data.p_moviehintinformation_rtp->psz_text );
2999 static int MP4_ReadBox_rtp( stream_t *p_stream, MP4_Box_t *p_box )
3001 MP4_READBOX_ENTER( MP4_Box_data_moviehintinformation_rtp_t, MP4_FreeBox_rtp );
3003 MP4_GET4BYTES( p_box->data.p_moviehintinformation_rtp->i_description_format );
3005 MP4_GETSTRINGZ( p_box->data.p_moviehintinformation_rtp->psz_text );
3007 MP4_READBOX_EXIT( 1 );
3010 static int MP4_ReadBox_tims( stream_t *p_stream, MP4_Box_t *p_box )
3012 MP4_READBOX_ENTER( MP4_Box_data_tims_t, NULL );
3014 MP4_GET4BYTES( p_box->data.p_tims->i_timescale );
3016 MP4_READBOX_EXIT( 1 );
3019 static int MP4_ReadBox_tsro( stream_t *p_stream, MP4_Box_t *p_box )
3021 MP4_READBOX_ENTER( MP4_Box_data_tsro_t, NULL );
3023 MP4_GET4BYTES( p_box->data.p_tsro->i_offset );
3025 MP4_READBOX_EXIT( 1 );
3028 static int MP4_ReadBox_tssy( stream_t *p_stream, MP4_Box_t *p_box )
3030 MP4_READBOX_ENTER( MP4_Box_data_tssy_t, NULL );
3032 MP4_GET1BYTE( p_box->data.p_tssy->i_reserved_timestamp_sync );
3034 MP4_READBOX_EXIT( 1 );
3037 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
3039 free( p_box->data.p_co64->i_chunk_offset );
3042 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
3044 const bool sixtyfour = p_box->i_type != ATOM_stco;
3047 MP4_READBOX_ENTER( MP4_Box_data_co64_t, MP4_FreeBox_stco_co64 );
3049 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
3050 MP4_GET4BYTES( count );
3052 if( (sixtyfour ? UINT64_C(8) : UINT64_C(4)) * count > i_read )
3053 MP4_READBOX_EXIT( 0 );
3055 p_box->data.p_co64->i_chunk_offset = vlc_alloc( count, sizeof(uint64_t) );
3056 if( unlikely(p_box->data.p_co64->i_chunk_offset == NULL) )
3057 MP4_READBOX_EXIT( 0 );
3058 p_box->data.p_co64->i_entry_count = count;
3060 for( uint32_t i = 0; i < count; i++ )
3063 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
3065 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
3069 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
3070 p_box->data.p_co64->i_entry_count );
3073 MP4_READBOX_EXIT( 1 );
3076 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
3078 free( p_box->data.p_stss->i_sample_number );
3081 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
3085 MP4_READBOX_ENTER( MP4_Box_data_stss_t, MP4_FreeBox_stss );
3087 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
3088 MP4_GET4BYTES( count );
3090 if( UINT64_C(4) * count > i_read )
3091 MP4_READBOX_EXIT( 0 );
3093 p_box->data.p_stss->i_sample_number = vlc_alloc( count, sizeof(uint32_t) );
3094 if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
3095 MP4_READBOX_EXIT( 0 );
3096 p_box->data.p_stss->i_entry_count = count;
3098 for( uint32_t i = 0; i < count; i++ )
3100 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
3101 /* XXX in libmp4 sample begin at 0 */
3102 p_box->data.p_stss->i_sample_number[i]--;
3106 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
3107 p_box->data.p_stss->i_entry_count );
3110 MP4_READBOX_EXIT( 1 );
3113 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
3115 free( p_box->data.p_stsh->i_shadowed_sample_number );
3116 free( p_box->data.p_stsh->i_sync_sample_number );
3119 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
3123 MP4_READBOX_ENTER( MP4_Box_data_stsh_t, MP4_FreeBox_stsh );
3125 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
3126 MP4_GET4BYTES( count );
3128 if( UINT64_C(8) * count > i_read )
3129 MP4_READBOX_EXIT( 0 );
3131 p_box->data.p_stsh->i_shadowed_sample_number = vlc_alloc( count,
3133 p_box->data.p_stsh->i_sync_sample_number = vlc_alloc( count,
3135 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
3136 || p_box->data.p_stsh->i_sync_sample_number == NULL )
3137 MP4_READBOX_EXIT( 0 );
3138 p_box->data.p_stsh->i_entry_count = count;
3140 for( uint32_t i = 0; i < p_box->data.p_stss->i_entry_count; i++ )
3142 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
3143 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
3147 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
3148 p_box->data.p_stsh->i_entry_count );
3150 MP4_READBOX_EXIT( 1 );
3153 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
3155 free( p_box->data.p_stdp->i_priority );
3158 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
3160 MP4_READBOX_ENTER( MP4_Box_data_stdp_t, MP4_FreeBox_stdp );
3162 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
3164 p_box->data.p_stdp->i_priority =
3165 calloc( i_read / 2, sizeof(uint16_t) );
3167 if( unlikely( !p_box->data.p_stdp->i_priority ) )
3168 MP4_READBOX_EXIT( 0 );
3170 for( unsigned i = 0; i < i_read / 2 ; i++ )
3172 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
3176 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
3180 MP4_READBOX_EXIT( 1 );
3183 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
3185 free( p_box->data.p_padb->i_reserved );
3186 free( p_box->data.p_padb->i_pad );
3189 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
3193 MP4_READBOX_ENTER( MP4_Box_data_padb_t, MP4_FreeBox_padb );
3195 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
3196 MP4_GET4BYTES( count );
3198 if( ((count / 2) + (count & 1)) > i_read )
3200 MP4_READBOX_EXIT( 0 );
3203 p_box->data.p_padb->i_reserved = malloc( count );
3204 p_box->data.p_padb->i_pad = malloc( count );
3205 p_box->data.p_padb->i_sample_count = count;
3207 if( unlikely(p_box->data.p_padb->i_reserved == NULL
3208 || p_box->data.p_padb->i_pad == NULL) )
3210 MP4_READBOX_EXIT( 0 );
3213 for( size_t i = 0; i < count; i += 2 )
3215 p_box->data.p_padb->i_reserved[i] = ( (*p_peek) >> 7 )&0x01;
3216 p_box->data.p_padb->i_pad[i + 1] = ( (*p_peek) >> 4 )&0x07;
3217 p_box->data.p_padb->i_reserved[i + 1] = ( (*p_peek) >> 3 )&0x01;
3218 p_box->data.p_padb->i_pad[i] = ( (*p_peek) )&0x07;
3225 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRIu64,
3229 MP4_READBOX_EXIT( 1 );
3232 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
3234 free( p_box->data.p_elst->i_segment_duration );
3235 free( p_box->data.p_elst->i_media_time );
3236 free( p_box->data.p_elst->i_media_rate_integer );
3237 free( p_box->data.p_elst->i_media_rate_fraction );
3240 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
3244 MP4_READBOX_ENTER( MP4_Box_data_elst_t, MP4_FreeBox_elst );
3246 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
3247 MP4_GET4BYTES( count );
3249 uint32_t i_entries_max = i_read / ((p_box->data.p_elst->i_version == 1) ? 20 : 12);
3250 if( count > i_entries_max )
3251 count = i_entries_max;
3253 p_box->data.p_elst->i_segment_duration = vlc_alloc( count,
3255 p_box->data.p_elst->i_media_time = vlc_alloc( count, sizeof(int64_t) );
3256 p_box->data.p_elst->i_media_rate_integer = vlc_alloc( count,
3258 p_box->data.p_elst->i_media_rate_fraction = vlc_alloc( count,
3260 if( p_box->data.p_elst->i_segment_duration == NULL
3261 || p_box->data.p_elst->i_media_time == NULL
3262 || p_box->data.p_elst->i_media_rate_integer == NULL
3263 || p_box->data.p_elst->i_media_rate_fraction == NULL )
3265 MP4_READBOX_EXIT( 0 );
3267 p_box->data.p_elst->i_entry_count = count;
3269 for( uint32_t i = 0; i < count; i++ )
3271 uint64_t segment_duration;
3274 if( p_box->data.p_elst->i_version == 1 )
3276 union { int64_t s; uint64_t u; } u;
3278 MP4_GET8BYTES( segment_duration );
3279 MP4_GET8BYTES( u.u );
3284 union { int32_t s; uint32_t u; } u;
3286 MP4_GET4BYTES( segment_duration );
3287 MP4_GET4BYTES( u.u );
3291 p_box->data.p_elst->i_segment_duration[i] = segment_duration;
3292 p_box->data.p_elst->i_media_time[i] = media_time;
3293 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
3294 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
3298 msg_Dbg( p_stream, "read box: \"elst\" entry-count %" PRIu32,
3299 p_box->data.p_elst->i_entry_count );
3301 MP4_READBOX_EXIT( 1 );
3304 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
3306 free( p_box->data.p_cprt->psz_notice );
3309 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
3311 uint16_t i_language;
3314 MP4_READBOX_ENTER( MP4_Box_data_cprt_t, MP4_FreeBox_cprt );
3316 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
3318 MP4_GET2BYTES( i_language );
3319 decodeQtLanguageCode( i_language, p_box->data.p_cprt->rgs_language, &b_mac );
3321 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
3324 msg_Dbg( p_stream, "read box: \"cprt\" language %3.3s notice %s",
3325 p_box->data.p_cprt->rgs_language,
3326 p_box->data.p_cprt->psz_notice );
3329 MP4_READBOX_EXIT( 1 );
3332 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
3334 MP4_READBOX_ENTER( MP4_Box_data_dcom_t, NULL );
3336 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
3339 "read box: \"dcom\" compression algorithm : %4.4s",
3340 (char*)&p_box->data.p_dcom->i_algorithm );
3342 MP4_READBOX_EXIT( 1 );
3345 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
3347 free( p_box->data.p_cmvd->p_data );
3350 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
3352 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t, MP4_FreeBox_cmvd );
3354 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
3356 p_box->data.p_cmvd->i_compressed_size = i_read;
3358 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
3359 MP4_READBOX_EXIT( 0 );
3361 /* now copy compressed data */
3362 memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
3364 p_box->data.p_cmvd->b_compressed = 1;
3367 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
3368 p_box->data.p_cmvd->i_compressed_size );
3371 MP4_READBOX_EXIT( 1 );
3374 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
3380 stream_t *p_stream_memory;
3386 if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
3389 if( !p_box->p_father ||
3390 ( p_box->p_father->i_type != ATOM_moov &&
3391 p_box->p_father->i_type != ATOM_foov ) )
3393 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
3397 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
3402 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
3403 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
3404 p_cmvd->data.p_cmvd->p_data == NULL )
3406 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
3410 if( p_dcom->data.p_dcom->i_algorithm != ATOM_zlib )
3412 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
3413 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
3418 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
3422 /* decompress data */
3423 /* allocate a new buffer */
3424 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
3426 /* init default structures */
3427 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
3428 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
3429 z_data.next_out = p_data;
3430 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
3431 z_data.zalloc = (alloc_func)Z_NULL;
3432 z_data.zfree = (free_func)Z_NULL;
3433 z_data.opaque = (voidpf)Z_NULL;
3436 if( inflateInit( &z_data ) != Z_OK )
3438 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
3444 i_result = inflate( &z_data, Z_NO_FLUSH );
3445 if( i_result != Z_OK && i_result != Z_STREAM_END )
3447 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
3452 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
3454 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
3457 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
3460 if( inflateEnd( &z_data ) != Z_OK )
3462 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
3466 free( p_cmvd->data.p_cmvd->p_data );
3467 p_cmvd->data.p_cmvd->p_data = p_data;
3468 p_cmvd->data.p_cmvd->b_compressed = 0;
3470 msg_Dbg( p_stream, "read box: \"cmov\" box successfully uncompressed" );
3472 /* now create a memory stream */
3474 vlc_stream_MemoryNew( VLC_OBJECT(p_stream),
3475 p_cmvd->data.p_cmvd->p_data,
3476 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
3478 /* and read uncompressd moov */
3479 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
3481 vlc_stream_Delete( p_stream_memory );
3484 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
3487 return p_box->data.p_cmov->p_moov ? 1 : 0;
3488 #endif /* HAVE_ZLIB_H */
3491 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
3493 free( p_box->data.p_rdrf->psz_ref );
3496 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
3499 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t, MP4_FreeBox_rdrf );
3501 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
3502 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
3503 MP4_GET4BYTES( i_len );
3508 p_box->data.p_rdrf->psz_ref = malloc( i_len );
3509 if( p_box->data.p_rdrf->psz_ref == NULL )
3510 MP4_READBOX_EXIT( 0 );
3513 for( unsigned i = 0; i < i_len; i++ )
3515 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
3517 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
3521 p_box->data.p_rdrf->psz_ref = NULL;