1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.31 2003/08/17 23:02:52 fenrir Exp $
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 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 General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
22 #include <stdlib.h> /* malloc(), free() */
24 #include <string.h> /* strdup() */
26 #include <sys/types.h>
29 #include <vlc/input.h>
32 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 * XXX: All macro are written in capital letters
43 *****************************************************************************/
44 #define MP4_BOX_HEADERSIZE( p_box ) \
45 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
46 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
48 #define MP4_GET1BYTE( dst ) \
49 dst = *p_peek; p_peek++; i_read--
51 #define MP4_GET2BYTES( dst ) \
52 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
54 #define MP4_GET3BYTES( dst ) \
55 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
57 #define MP4_GET4BYTES( dst ) \
58 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
60 #define MP4_GETFOURCC( dst ) \
61 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
62 p_peek += 4; i_read -= 4
64 #define MP4_GET8BYTES( dst ) \
65 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
67 #define MP4_GETVERSIONFLAGS( p_void ) \
68 MP4_GET1BYTE( p_void->i_version ); \
69 MP4_GET3BYTES( p_void->i_flags )
71 #define MP4_GETSTRINGZ( p_str ) \
72 if( ( i_read > 0 )&&(p_peek[0] ) ) \
74 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
75 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
76 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
77 p_peek += strlen( p_str ) + 1; \
78 i_read -= strlen( p_str ) + 1; \
86 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
87 int64_t i_read = p_box->i_size; \
88 uint8_t *p_peek, *p_buff; \
89 i_read = p_box->i_size; \
90 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
94 if( MP4_ReadStream( p_stream, p_peek, i_read ) )\
99 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
100 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
101 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
107 #define MP4_READBOX_EXIT( i_code ) \
111 msg_Warn( p_stream->p_input, "Not enougth data" ); \
116 if( p ) {free( p ); p = NULL; }
121 * The input method HAVE to be seekable
125 static uint32_t Get24bBE( uint8_t *p_buff )
127 return( ( p_buff[0] <<16 ) + ( p_buff[1] <<8 ) + p_buff[2] );
130 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
137 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
139 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
140 where XXXXXXXX is the fourcc */
141 /* FIXME implement this */
144 /* some functions for mp4 encoding of variables */
146 void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
153 i_day = i_date / ( 60*60*24);
154 i_hour = ( i_date /( 60*60 ) ) % 60;
155 i_min = ( i_date / 60 ) % 60;
157 /* FIXME do it correctly, date begin at 1 jan 1904 */
158 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
159 i_day, i_hour, i_min, i_sec );
163 static void DataDump( uint8_t *p_data, int i_data )
166 fprintf( stderr, "\nDumping %d bytes\n", i_data );
167 for( i = 0; i < i_data; i++ )
172 if( c < 32 || c > 127 ) c = '.';
173 fprintf( stderr, "%c", c );
174 if( i % 60 == 59 ) fprintf( stderr, "\n" );
176 fprintf( stderr, "\n" );
180 /*****************************************************************************
181 * Some basic functions to manipulate stream more easily in vlc
183 * MP4_TellAbsolute get file position
185 * MP4_SeekAbsolute seek in the file
187 * MP4_ReadData read data from the file in a buffer
189 *****************************************************************************/
190 off_t MP4_TellAbsolute( input_thread_t *p_input )
194 vlc_mutex_lock( &p_input->stream.stream_lock );
196 i_pos= p_input->stream.p_selected_area->i_tell;
198 vlc_mutex_unlock( &p_input->stream.stream_lock );
203 int MP4_SeekAbsolute( input_thread_t *p_input,
208 //msg_Warn( p_input, "seek to %lld/%lld", i_pos, p_input->stream.p_selected_area->i_size );
210 if( p_input->stream.p_selected_area->i_size > 0 &&
211 i_pos >= p_input->stream.p_selected_area->i_size )
213 msg_Warn( p_input, "seek:after end of file" );
217 i_filepos = MP4_TellAbsolute( p_input );
219 if( i_filepos == i_pos )
224 if( p_input->stream.b_seekable &&
225 ( p_input->stream.i_method == INPUT_METHOD_FILE ||
226 i_pos - i_filepos < 0 ||
227 i_pos - i_filepos > 1024 ) )
229 input_AccessReinit( p_input );
230 p_input->pf_seek( p_input, i_pos );
233 else if( i_pos - i_filepos > 0 )
235 data_packet_t *p_data;
236 int i_skip = i_pos - i_filepos;
238 msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
244 i_read = input_SplitBuffer( p_input, &p_data,
245 __MIN( 4096, i_skip ) );
248 msg_Warn( p_input, "seek:cannot read" );
253 input_DeletePacket( p_input->p_method_data, p_data );
254 if( i_read == 0 && i_skip > 0 )
256 msg_Warn( p_input, "seek:cannot read" );
264 msg_Warn( p_input, "seek:failed" );
269 /* return 1 if success, 0 if fail */
270 int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size )
272 data_packet_t *p_data;
279 return( VLC_SUCCESS );
284 i_read = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
287 return( VLC_EGENERIC );
289 memcpy( p_buff, p_data->p_payload_start, i_read );
290 input_DeletePacket( p_input->p_method_data, p_data );
297 return( VLC_SUCCESS );
300 /*****************************************************************************
301 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
302 * in the way that you can read from a memory buffer or from an input
304 *****************************************************************************/
306 /**** ------- First some function to make abstract from input -------- */
308 /****************************************************************************
309 * MP4_InputStream create an stram with an input
311 ****************************************************************************/
312 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
314 MP4_Stream_t *p_stream;
316 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
320 p_stream->b_memory = 0;
321 p_stream->p_input = p_input;
322 p_stream->i_start = 0;
323 p_stream->i_stop = 0;
324 p_stream->p_buffer = NULL;
329 /****************************************************************************
330 * MP4_MemoryStream create a memory stream
331 * if p_buffer == NULL, will allocate a buffer of i_size, else
332 * it uses p_buffer XXX you have to unallocate it yourself !
334 ****************************************************************************/
335 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
336 int i_size, uint8_t *p_buffer )
338 MP4_Stream_t *p_stream;
340 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
344 p_stream->b_memory = 1;
345 p_stream->p_input = p_input;
346 p_stream->i_start = 0;
347 p_stream->i_stop = i_size;
350 if( !( p_stream->p_buffer = malloc( i_size ) ) )
358 p_stream->p_buffer = p_buffer;
363 /****************************************************************************
364 * MP4_ReadStream read from a MP4_Stream_t
366 ****************************************************************************/
367 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
369 if( p_stream->b_memory )
371 if( i_size > p_stream->i_stop - p_stream->i_start )
373 return( VLC_EGENERIC );
376 p_stream->p_buffer + p_stream->i_start,
378 p_stream->i_start += i_size;
379 return( VLC_SUCCESS );
383 return( MP4_ReadData( p_stream->p_input, p_buff, i_size ) );
387 /****************************************************************************
388 * MP4_PeekStream peek from a MP4_Stream_t
390 ****************************************************************************/
391 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
393 if( p_stream->b_memory )
395 *pp_peek = p_stream->p_buffer + p_stream->i_start;
397 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
402 if( p_stream->p_input->stream.p_selected_area->i_size > 0 )
405 p_stream->p_input->stream.p_selected_area->i_size - MP4_TellAbsolute( p_stream->p_input );
411 return( input_Peek( p_stream->p_input, pp_peek, i_size ) );
415 /****************************************************************************
416 * MP4_TellStream give absolute position in the stream
417 * XXX for a memory stream give position from begining of the buffer
418 ****************************************************************************/
419 off_t MP4_TellStream( MP4_Stream_t *p_stream )
421 if( p_stream->b_memory )
423 return( p_stream->i_start );
427 return( MP4_TellAbsolute( p_stream->p_input ) );
431 /****************************************************************************
432 * MP4_SeekStream seek in a MP4_Stream_t
434 ****************************************************************************/
435 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
437 if( p_stream->b_memory )
439 if( i_pos < p_stream->i_stop )
441 p_stream->i_start = i_pos;
442 return( VLC_SUCCESS );
446 return( VLC_EGENERIC );
451 return( MP4_SeekAbsolute( p_stream->p_input, i_pos ) );
457 /*****************************************************************************
458 * MP4_ReadBoxCommon : Load only common parameters for all boxes
459 *****************************************************************************
460 * p_box need to be an already allocated MP4_Box_t, and all data
461 * will only be peek not read
463 * RETURN : 0 if it fail, 1 otherwise
464 *****************************************************************************/
465 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
470 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
474 p_box->i_pos = MP4_TellStream( p_stream );
476 p_box->data.p_data = NULL;
477 p_box->p_father = NULL;
478 p_box->p_first = NULL;
479 p_box->p_last = NULL;
480 p_box->p_next = NULL;
482 MP4_GET4BYTES( p_box->i_shortsize );
483 MP4_GETFOURCC( p_box->i_type );
485 /* Now special case */
487 if( p_box->i_shortsize == 1 )
489 /* get the true size on 64 bits */
490 MP4_GET8BYTES( p_box->i_size );
494 p_box->i_size = p_box->i_shortsize;
495 /* XXX size of 0 means that the box extends to end of file */
498 if( p_box->i_type == FOURCC_uuid )
500 /* get extented type on 16 bytes */
501 GetUUID( &p_box->i_uuid, p_peek );
502 p_peek += 16; i_read -= 16;
506 CreateUUID( &p_box->i_uuid, p_box->i_type );
511 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size "I64Fd,
512 (char*)&p_box->i_type,
521 /*****************************************************************************
522 * MP4_MP4_NextBox : Go to the next box
523 *****************************************************************************
524 * if p_box == NULL, go to the next box in witch we are( at the begining ).
525 *****************************************************************************/
526 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
532 MP4_ReadBoxCommon( p_stream, &box );
538 return( 2 ); /* Box with infinite size */
541 if( p_box->p_father )
543 /* check if it's within p-father */
544 if( p_box->i_size + p_box->i_pos >=
545 p_box->p_father->i_size + p_box->p_father->i_pos )
547 return( 0 ); /* out of bound */
550 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) ? 0 : 1 );
552 /*****************************************************************************
553 * MP4_MP4_GotoBox : Go to this particular box
554 *****************************************************************************
555 * RETURN : 0 if it fail, 1 otherwise
556 *****************************************************************************/
557 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
559 return( MP4_SeekStream( p_stream, p_box->i_pos ) ? 0 : 1 );
563 /*****************************************************************************
564 * For all known box a loader is given,
565 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
566 * after called one of theses functions, file position is unknown
567 * you need to call MP4_GotoBox to go where you want
568 *****************************************************************************/
569 int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
573 if( MP4_TellStream( p_stream ) + 8 >
574 (off_t)(p_container->i_pos + p_container->i_size) )
576 /* there is no box to load */
582 p_box = malloc( sizeof( MP4_Box_t ) );
584 if( MP4_ReadBox( p_stream, p_box , p_container ) )
586 /* chain this box with the father and the other at same level */
587 if( !p_container->p_first )
589 p_container->p_first = p_box;
593 p_container->p_last->p_next = p_box;
595 p_container->p_last = p_box;
604 }while( MP4_NextBox( p_stream, p_box ) == 1 );
610 int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
612 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
614 /* container is empty, 8 stand for the first header in this box */
619 MP4_SeekStream( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
621 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
624 void MP4_FreeBox_Common( input_thread_t *p_input, MP4_Box_t *p_box )
626 /* Up to now do nothing */
629 int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
631 /* XXX sometime moov is hiden in a free box */
632 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
633 p_box->i_type == FOURCC_free )
639 i_read = MP4_PeekStream( p_stream, &p_peek, 44 );
641 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
642 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
646 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
648 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
650 msg_Warn( p_stream->p_input, "Detected moov hidden in a free box ..." );
652 p_box->i_type = FOURCC_foov;
653 return MP4_ReadBoxContainer( p_stream, p_box );
659 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
660 (char*)&p_box->i_type );
665 int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
667 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
669 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
670 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
672 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
675 p_box->data.p_ftyp->i_compatible_brands =
676 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
678 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
680 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
685 p_box->data.p_ftyp->i_compatible_brands = NULL;
688 MP4_READBOX_EXIT( 1 );
691 void MP4_FreeBox_ftyp( input_thread_t *p_input, MP4_Box_t *p_box )
693 FREE( p_box->data.p_ftyp->i_compatible_brands );
697 int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
701 char s_creation_time[128];
702 char s_modification_time[128];
703 char s_duration[128];
705 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
707 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
709 if( p_box->data.p_mvhd->i_version )
711 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
712 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
713 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
714 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
718 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
719 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
720 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
721 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
723 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
724 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
725 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
728 for( i = 0; i < 2; i++ )
730 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
732 for( i = 0; i < 9; i++ )
734 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
736 for( i = 0; i < 6; i++ )
738 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
741 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
745 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
746 MP4_ConvertDate2Str( s_modification_time,
747 p_box->data.p_mvhd->i_modification_time );
748 if( p_box->data.p_mvhd->i_rate )
750 MP4_ConvertDate2Str( s_duration,
751 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
757 msg_Dbg( p_stream->p_input, "Read Box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
760 (uint32_t)p_box->data.p_mvhd->i_timescale,
762 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
763 (float)p_box->data.p_mvhd->i_volume / 256 ,
764 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
766 MP4_READBOX_EXIT( 1 );
769 int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
773 char s_creation_time[128];
774 char s_modification_time[128];
775 char s_duration[128];
777 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
779 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
781 if( p_box->data.p_tkhd->i_version )
783 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
784 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
785 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
786 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
787 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
791 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
792 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
793 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
794 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
795 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
798 for( i = 0; i < 2; i++ )
800 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
802 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
803 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
804 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
805 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
807 for( i = 0; i < 9; i++ )
809 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
811 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
812 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
815 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
816 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
817 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
819 msg_Dbg( p_stream->p_input, "Read Box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
823 p_box->data.p_tkhd->i_track_ID,
824 p_box->data.p_tkhd->i_layer,
825 (float)p_box->data.p_tkhd->i_volume / 256 ,
826 (float)p_box->data.p_tkhd->i_width / 65536,
827 (float)p_box->data.p_tkhd->i_height / 65536 );
829 MP4_READBOX_EXIT( 1 );
833 int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
838 char s_creation_time[128];
839 char s_modification_time[128];
840 char s_duration[128];
842 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
844 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
846 if( p_box->data.p_mdhd->i_version )
848 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
849 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
850 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
851 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
855 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
856 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
857 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
858 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
860 i_language = GetWBE( p_peek );
861 for( i = 0; i < 3; i++ )
863 p_box->data.p_mdhd->i_language[i] =
864 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
867 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
870 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
871 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
872 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
873 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
876 (uint32_t)p_box->data.p_mdhd->i_timescale,
878 p_box->data.p_mdhd->i_language[0],
879 p_box->data.p_mdhd->i_language[1],
880 p_box->data.p_mdhd->i_language[2] );
882 MP4_READBOX_EXIT( 1 );
886 int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
888 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
890 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
892 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
893 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
895 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
896 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
899 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
900 (char*)&p_box->data.p_hdlr->i_handler_type,
901 p_box->data.p_hdlr->psz_name );
904 MP4_READBOX_EXIT( 1 );
907 void MP4_FreeBox_hdlr( input_thread_t *p_input, MP4_Box_t *p_box )
909 FREE( p_box->data.p_hdlr->psz_name );
912 int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
916 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
918 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
920 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
921 for( i = 0; i < 3; i++ )
923 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
927 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
928 p_box->data.p_vmhd->i_graphics_mode,
929 p_box->data.p_vmhd->i_opcolor[0],
930 p_box->data.p_vmhd->i_opcolor[1],
931 p_box->data.p_vmhd->i_opcolor[2] );
933 MP4_READBOX_EXIT( 1 );
936 int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
938 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
940 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
944 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
946 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
949 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
950 (float)p_box->data.p_smhd->i_balance / 256 );
952 MP4_READBOX_EXIT( 1 );
956 int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
958 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
960 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
962 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
963 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
965 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
966 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
968 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
971 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
972 p_box->data.p_hmhd->i_max_PDU_size,
973 p_box->data.p_hmhd->i_avg_PDU_size,
974 p_box->data.p_hmhd->i_max_bitrate,
975 p_box->data.p_hmhd->i_avg_bitrate );
977 MP4_READBOX_EXIT( 1 );
980 int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
982 MP4_READBOX_ENTER( MP4_Box_data_url_t );
984 MP4_GETVERSIONFLAGS( p_box->data.p_url );
985 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
988 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
989 p_box->data.p_url->psz_location );
992 MP4_READBOX_EXIT( 1 );
996 void MP4_FreeBox_url( input_thread_t *p_input, MP4_Box_t *p_box )
998 FREE( p_box->data.p_url->psz_location )
1001 int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1003 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
1005 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1007 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1008 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1011 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
1012 p_box->data.p_urn->psz_name,
1013 p_box->data.p_urn->psz_location );
1015 MP4_READBOX_EXIT( 1 );
1017 void MP4_FreeBox_urn( input_thread_t *p_input, MP4_Box_t *p_box )
1019 FREE( p_box->data.p_urn->psz_name );
1020 FREE( p_box->data.p_urn->psz_location );
1024 int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1026 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1028 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1030 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1032 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1033 MP4_ReadBoxContainerRaw( p_stream, p_box );
1036 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
1037 p_box->data.p_dref->i_entry_count );
1040 MP4_READBOX_EXIT( 1 );
1044 int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1047 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1049 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1050 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1052 p_box->data.p_stts->i_sample_count =
1053 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1054 p_box->data.p_stts->i_sample_delta =
1055 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1057 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1059 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1060 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1064 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
1065 p_box->data.p_stts->i_entry_count );
1068 MP4_READBOX_EXIT( 1 );
1071 void MP4_FreeBox_stts( input_thread_t *p_input, MP4_Box_t *p_box )
1073 FREE( p_box->data.p_stts->i_sample_count );
1074 FREE( p_box->data.p_stts->i_sample_delta );
1077 int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1080 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1082 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1084 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1086 p_box->data.p_ctts->i_sample_count =
1087 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1088 p_box->data.p_ctts->i_sample_offset =
1089 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1091 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1093 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1094 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1098 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
1099 p_box->data.p_ctts->i_entry_count );
1102 MP4_READBOX_EXIT( 1 );
1105 void MP4_FreeBox_ctts( input_thread_t *p_input, MP4_Box_t *p_box )
1107 FREE( p_box->data.p_ctts->i_sample_count );
1108 FREE( p_box->data.p_ctts->i_sample_offset );
1111 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1114 unsigned int i_len = 0;
1121 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1122 } while( i_b&0x80 );
1126 int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1128 #define es_descriptor p_box->data.p_esds->es_descriptor
1130 unsigned int i_flags;
1131 unsigned int i_type;
1133 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1135 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1138 MP4_GET1BYTE( i_type );
1139 if( i_type == 0x03 ) /* MP4ESDescrTag */
1141 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1143 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1144 MP4_GET1BYTE( i_flags );
1145 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1146 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1147 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1149 es_descriptor.i_stream_priority = i_flags&0x1f;
1150 if( es_descriptor.b_stream_dependence )
1152 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1154 if( es_descriptor.b_url )
1158 MP4_GET1BYTE( i_len );
1159 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1160 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1161 es_descriptor.psz_URL[i_len] = 0;
1167 es_descriptor.psz_URL = NULL;
1169 if( es_descriptor.b_OCRstream )
1171 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1173 MP4_GET1BYTE( i_type ); /* get next type */
1176 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1178 es_descriptor.p_decConfigDescr = NULL;
1179 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1182 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1183 es_descriptor.p_decConfigDescr =
1184 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1186 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1187 MP4_GET1BYTE( i_flags );
1188 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1189 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1190 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1191 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1192 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1193 MP4_GET1BYTE( i_type );
1194 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1196 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1197 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1198 MP4_READBOX_EXIT( 1 );
1201 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1202 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1203 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1204 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1207 MP4_READBOX_EXIT( 1 );
1209 #undef es_descriptor
1212 void MP4_FreeBox_esds( input_thread_t *p_input, MP4_Box_t *p_box )
1214 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1215 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1217 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1219 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1222 int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1226 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1228 for( i = 0; i < 6 ; i++ )
1230 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1233 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1236 * XXX hack -> produce a copy of the nearly complete chunk
1240 p_box->data.p_sample_soun->i_qt_description = i_read;
1241 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1242 memcpy( p_box->data.p_sample_soun->p_qt_description,
1248 p_box->data.p_sample_soun->i_qt_description = 0;
1249 p_box->data.p_sample_soun->p_qt_description = NULL;
1252 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1253 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1254 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1256 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1257 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1258 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1259 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1260 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1261 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1263 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1267 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1268 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1269 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1270 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1273 msg_Dbg( p_stream->p_input,
1274 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1275 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1276 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1278 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1282 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1283 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1284 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1285 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1287 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1288 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1290 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1293 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1294 p_box->data.p_sample_soun->i_channelcount,
1295 p_box->data.p_sample_soun->i_samplesize,
1296 (float)p_box->data.p_sample_soun->i_sampleratehi +
1297 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1300 MP4_READBOX_EXIT( 1 );
1304 int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1308 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1310 for( i = 0; i < 6 ; i++ )
1312 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1315 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1318 * XXX hack -> produce a copy of the nearly complete chunk
1322 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1323 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1324 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1330 p_box->data.p_sample_vide->i_qt_image_description = 0;
1331 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1334 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1335 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1336 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1338 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1339 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1341 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1342 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1344 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1345 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1347 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1348 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1350 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1351 p_peek += 32; i_read -= 32;
1353 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1354 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1356 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1357 MP4_ReadBoxContainerRaw( p_stream, p_box );
1360 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1361 p_box->data.p_sample_vide->i_width,
1362 p_box->data.p_sample_vide->i_height,
1363 p_box->data.p_sample_vide->i_depth );
1366 MP4_READBOX_EXIT( 1 );
1370 int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1373 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1375 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1377 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1379 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1381 MP4_ReadBoxContainerRaw( p_stream, p_box );
1384 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1385 p_box->data.p_stsd->i_entry_count );
1388 MP4_READBOX_EXIT( 1 );
1392 int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1396 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1398 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1400 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1402 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1404 p_box->data.p_stsz->i_entry_size =
1405 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1407 if( !p_box->data.p_stsz->i_sample_size )
1409 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1411 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1416 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1417 p_box->data.p_stsz->i_sample_size,
1418 p_box->data.p_stsz->i_sample_count );
1421 MP4_READBOX_EXIT( 1 );
1424 void MP4_FreeBox_stsz( input_thread_t *p_input, MP4_Box_t *p_box )
1426 FREE( p_box->data.p_stsz->i_entry_size );
1429 int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1433 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1435 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1437 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1439 p_box->data.p_stsc->i_first_chunk =
1440 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1441 p_box->data.p_stsc->i_samples_per_chunk =
1442 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1443 p_box->data.p_stsc->i_sample_description_index =
1444 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1446 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1448 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1449 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1450 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1454 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1455 p_box->data.p_stsc->i_entry_count );
1458 MP4_READBOX_EXIT( 1 );
1461 void MP4_FreeBox_stsc( input_thread_t *p_input, MP4_Box_t *p_box )
1463 FREE( p_box->data.p_stsc->i_first_chunk );
1464 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1465 FREE( p_box->data.p_stsc->i_sample_description_index );
1468 int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1472 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1474 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1476 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1478 p_box->data.p_co64->i_chunk_offset =
1479 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1481 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1483 if( p_box->i_type == FOURCC_stco )
1489 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1497 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1502 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1503 p_box->data.p_co64->i_entry_count );
1506 MP4_READBOX_EXIT( 1 );
1509 void MP4_FreeBox_stco_co64( input_thread_t *p_input, MP4_Box_t *p_box )
1511 FREE( p_box->data.p_co64->i_chunk_offset );
1514 int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1518 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1520 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1522 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1524 p_box->data.p_stss->i_sample_number =
1525 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1527 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1530 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1531 /* XXX in libmp4 sample begin at 0 */
1532 p_box->data.p_stss->i_sample_number[i]--;
1536 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1537 p_box->data.p_stss->i_entry_count );
1540 MP4_READBOX_EXIT( 1 );
1543 void MP4_FreeBox_stss( input_thread_t *p_input, MP4_Box_t *p_box )
1545 FREE( p_box->data.p_stss->i_sample_number )
1548 int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1552 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1554 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1557 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1559 p_box->data.p_stsh->i_shadowed_sample_number =
1560 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1562 p_box->data.p_stsh->i_sync_sample_number =
1563 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1566 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1569 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1570 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1574 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1575 p_box->data.p_stsh->i_entry_count );
1577 MP4_READBOX_EXIT( 1 );
1580 void MP4_FreeBox_stsh( input_thread_t *p_input, MP4_Box_t *p_box )
1582 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1583 FREE( p_box->data.p_stsh->i_sync_sample_number )
1587 int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1591 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1593 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1595 p_box->data.p_stdp->i_priority =
1596 calloc( sizeof( uint16_t ), i_read / 2 );
1598 for( i = 0; i < i_read / 2 ; i++ )
1601 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1605 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1609 MP4_READBOX_EXIT( 1 );
1612 void MP4_FreeBox_stdp( input_thread_t *p_input, MP4_Box_t *p_box )
1614 FREE( p_box->data.p_stdp->i_priority )
1617 int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1621 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1623 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1626 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1628 p_box->data.p_padb->i_reserved1 =
1629 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1630 p_box->data.p_padb->i_pad2 =
1631 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1632 p_box->data.p_padb->i_reserved2 =
1633 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1634 p_box->data.p_padb->i_pad1 =
1635 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1638 for( i = 0; i < i_read / 2 ; i++ )
1640 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1641 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1642 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1643 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1645 p_peek += 1; i_read -= 1;
1649 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1653 MP4_READBOX_EXIT( 1 );
1656 void MP4_FreeBox_padb( input_thread_t *p_input, MP4_Box_t *p_box )
1658 FREE( p_box->data.p_padb->i_reserved1 );
1659 FREE( p_box->data.p_padb->i_pad2 );
1660 FREE( p_box->data.p_padb->i_reserved2 );
1661 FREE( p_box->data.p_padb->i_pad1 );
1664 int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1668 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1670 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1673 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1675 p_box->data.p_elst->i_segment_duration =
1676 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1677 p_box->data.p_elst->i_media_time =
1678 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1679 p_box->data.p_elst->i_media_rate_integer =
1680 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1681 p_box->data.p_elst->i_media_rate_fraction=
1682 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1685 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1687 if( p_box->data.p_elst->i_version == 1 )
1690 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1692 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1697 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1699 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1702 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1703 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1707 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1711 MP4_READBOX_EXIT( 1 );
1714 void MP4_FreeBox_elst( input_thread_t *p_input, MP4_Box_t *p_box )
1716 FREE( p_box->data.p_elst->i_segment_duration );
1717 FREE( p_box->data.p_elst->i_media_time );
1718 FREE( p_box->data.p_elst->i_media_rate_integer );
1719 FREE( p_box->data.p_elst->i_media_rate_fraction );
1722 int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1724 unsigned int i_language;
1727 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1729 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1731 i_language = GetWBE( p_peek );
1732 for( i = 0; i < 3; i++ )
1734 p_box->data.p_cprt->i_language[i] =
1735 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1737 p_peek += 2; i_read -= 2;
1738 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1741 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1742 p_box->data.p_cprt->i_language[0],
1743 p_box->data.p_cprt->i_language[1],
1744 p_box->data.p_cprt->i_language[2],
1745 p_box->data.p_cprt->psz_notice );
1748 MP4_READBOX_EXIT( 1 );
1751 void MP4_FreeBox_cprt( input_thread_t *p_input, MP4_Box_t *p_box )
1753 FREE( p_box->data.p_cprt->psz_notice );
1757 int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1759 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1761 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1763 msg_Dbg( p_stream->p_input,
1764 "Read Box: \"dcom\" compression algorithm : %4.4s",
1765 (char*)&p_box->data.p_dcom->i_algorithm );
1767 MP4_READBOX_EXIT( 1 );
1770 int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1772 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1774 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1776 p_box->data.p_cmvd->i_compressed_size = i_read;
1778 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1780 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1784 /* now copy compressed data */
1785 memcpy( p_box->data.p_cmvd->p_data,
1789 p_box->data.p_cmvd->b_compressed = 1;
1792 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1793 p_box->data.p_cmvd->i_compressed_size );
1796 MP4_READBOX_EXIT( 1 );
1798 void MP4_FreeBox_cmvd( input_thread_t *p_input, MP4_Box_t *p_box )
1800 FREE( p_box->data.p_cmvd->p_data );
1804 int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1806 MP4_Stream_t *p_stream_memory;
1818 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1820 msg_Err( p_stream->p_input, "out of memory" );
1823 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1825 if( !p_box->p_father ||
1826 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1828 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1832 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1837 if( !( p_dcom = MP4_FindBox( p_box, FOURCC_dcom ) )||
1838 !( p_cmvd = MP4_FindBox( p_box, FOURCC_cmvd ) )||
1839 !( p_cmvd->data.p_cmvd->p_data ) )
1841 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1845 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1847 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1848 (char*)&p_dcom->data.p_dcom->i_algorithm );
1853 msg_Dbg( p_stream->p_input,
1854 "Read Box: \"cmov\" zlib unsupported" );
1857 /* decompress data */
1858 /* allocate a new buffer */
1859 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1861 msg_Err( p_stream->p_input,
1862 "Read Box: \"cmov\" not enough memory to uncompress data" );
1865 /* init default structures */
1866 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1867 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1868 z_data.next_out = p_data;
1869 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1870 z_data.zalloc = (alloc_func)Z_NULL;
1871 z_data.zfree = (free_func)Z_NULL;
1872 z_data.opaque = (voidpf)Z_NULL;
1875 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1877 msg_Err( p_stream->p_input,
1878 "Read Box: \"cmov\" error while uncompressing data" );
1884 i_result = inflate( &z_data, Z_NO_FLUSH );
1885 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1887 msg_Err( p_stream->p_input,
1888 "Read Box: \"cmov\" error while uncompressing data" );
1893 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1895 msg_Warn( p_stream->p_input,
1896 "Read Box: \"cmov\" uncompressing data size mismatch" );
1898 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1901 i_result = inflateEnd( &z_data );
1902 if( i_result != Z_OK )
1904 msg_Warn( p_stream->p_input,
1905 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1909 free( p_cmvd->data.p_cmvd->p_data );
1910 p_cmvd->data.p_cmvd->p_data = p_data;
1911 p_cmvd->data.p_cmvd->b_compressed = 0;
1913 msg_Dbg( p_stream->p_input,
1914 "Read Box: \"cmov\" box succesfully uncompressed" );
1916 //DataDump( p_data, p_cmvd->data.p_cmvd->i_uncompressed_size );
1917 /* now create a memory stream */
1918 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1919 p_cmvd->data.p_cmvd->i_uncompressed_size,
1920 p_cmvd->data.p_cmvd->p_data );
1922 //DataDump( p_stream_memory->p_buffer, p_stream_memory->i_stop );
1924 /* and read uncompressd moov */
1925 p_umov = malloc( sizeof( MP4_Box_t ) );
1927 i_result = MP4_ReadBox( p_stream_memory, p_umov, NULL );
1929 p_box->data.p_cmov->p_moov = p_umov;
1930 free( p_stream_memory );
1933 msg_Dbg( p_stream->p_input,
1934 "Read Box: \"cmov\" compressed movie header completed" );
1937 #endif /* HAVE_ZLIB_H */
1940 int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1943 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1945 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1946 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1947 MP4_GET4BYTES( i_len );
1951 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1952 for( i = 0; i < i_len; i++ )
1954 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1956 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1960 p_box->data.p_rdrf->psz_ref = NULL;
1964 msg_Dbg( p_stream->p_input,
1965 "Read Box: \"rdrf\" type:%4.4s ref %s",
1966 (char*)&p_box->data.p_rdrf->i_ref_type,
1967 p_box->data.p_rdrf->psz_ref );
1970 MP4_READBOX_EXIT( 1 );
1972 void MP4_FreeBox_rdrf( input_thread_t *p_input, MP4_Box_t *p_box )
1974 FREE( p_box->data.p_rdrf->psz_ref )
1978 int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1980 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1982 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1984 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1987 msg_Dbg( p_stream->p_input,
1988 "Read Box: \"rmdr\" rate:%d",
1989 p_box->data.p_rmdr->i_rate );
1991 MP4_READBOX_EXIT( 1 );
1994 int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1996 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1998 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2001 msg_Dbg( p_stream->p_input,
2002 "Read Box: \"rmqu\" quality:%d",
2003 p_box->data.p_rmqu->i_quality );
2005 MP4_READBOX_EXIT( 1 );
2008 int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2010 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2011 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2013 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2014 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2015 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2016 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2019 msg_Dbg( p_stream->p_input,
2020 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2021 (char*)&p_box->data.p_rmvc->i_gestaltType,
2022 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2023 p_box->data.p_rmvc->i_checkType );
2026 MP4_READBOX_EXIT( 1 );
2029 /**** ------------------------------------------------------------------- ****/
2030 /**** "Higher level" Functions ****/
2031 /**** ------------------------------------------------------------------- ****/
2036 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
2037 void (*MP4_FreeBox_function )( input_thread_t *p_input, MP4_Box_t *p_box );
2038 } MP4_Box_Function [] =
2041 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2042 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2043 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2044 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2045 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2046 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2047 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2048 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2049 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2050 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2051 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2052 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2053 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2054 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2055 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2058 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2059 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2060 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2061 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2062 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2063 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2064 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2065 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2066 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2067 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2068 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2069 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2070 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2071 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2072 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2073 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2074 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2075 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2076 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2077 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2078 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2079 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2080 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2081 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2082 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2083 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2084 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2085 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2087 /* Nothing to do with this box */
2088 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2089 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2090 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2091 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2094 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2095 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2096 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2097 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2098 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2099 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2100 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2101 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2102 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2103 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2104 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2105 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2106 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2107 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2108 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2109 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2110 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2111 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2112 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2113 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2114 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2116 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2117 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2118 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2119 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2120 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2121 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2122 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2123 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2124 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2125 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2126 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2127 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2128 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2129 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2130 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2131 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2132 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2133 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2134 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2135 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2136 { FOURCC_mjht, NULL, NULL },
2137 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2138 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2139 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2140 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2142 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2144 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2146 /* XXX there is 2 box where we could find this entry stbl and tref*/
2147 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2149 /* found in tref box */
2150 { FOURCC_dpnd, NULL, NULL },
2151 { FOURCC_ipir, NULL, NULL },
2152 { FOURCC_mpod, NULL, NULL },
2155 { FOURCC_rtp, NULL, NULL },
2158 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2159 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2160 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2161 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2169 /*****************************************************************************
2170 * MP4_ReadBox : parse the actual box and the children
2171 * XXX : Do not go to the next box
2172 *****************************************************************************/
2173 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father )
2176 unsigned int i_index;
2178 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2180 msg_Warn( p_stream->p_input, "Cannot read one box" );
2183 if( !p_box->i_size )
2185 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2188 p_box->p_father = p_father;
2190 /* Now search function to call */
2191 for( i_index = 0; ; i_index++ )
2193 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2194 ( MP4_Box_Function[i_index].i_type == 0 ) )
2199 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2201 msg_Warn( p_stream->p_input,
2202 "Unknown box type %4.4s (uncompletetly loaded)",
2203 (char*)&p_box->i_type );
2209 (MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box );
2216 /*****************************************************************************
2217 * MP4_CountBox: given a box, count how many child have the requested type
2218 * FIXME : support GUUID
2219 *****************************************************************************/
2220 int MP4_CountBox( MP4_Box_t *p_box, uint32_t i_type )
2222 unsigned int i_count;
2231 p_child = p_box->p_first;
2234 if( p_child->i_type == i_type )
2238 p_child = p_child->p_next;
2245 /*****************************************************************************
2246 * MP4_FindBox: find first box with i_type child of p_box
2247 * return NULL if not found
2248 *****************************************************************************/
2250 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, uint32_t i_type )
2259 p_child = p_box->p_first;
2262 if( p_child->i_type == i_type )
2266 p_child = p_child->p_next;
2274 /*****************************************************************************
2275 * MP4_FindNextBox: find next box with thesame type and at the same level
2277 *****************************************************************************/
2278 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box )
2287 p_next = p_box->p_next;
2290 if( p_next->i_type == p_box->i_type )
2294 p_next = p_next->p_next;
2298 /*****************************************************************************
2299 * MP4_FindNbBox: find the box i_number
2300 *****************************************************************************/
2301 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, uint32_t i_number )
2303 MP4_Box_t *p_child = p_box->p_first;
2312 if( !( p_child = p_child->p_next ) )
2322 /*****************************************************************************
2323 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2325 *****************************************************************************/
2326 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2328 unsigned int i_index;
2337 p_child = p_box->p_first;
2340 p_next = p_child->p_next;
2341 MP4_BoxFree( p_input, p_child );
2342 /* MP4_FreeBoxChildren have free all data expect p_child itself */
2347 /* Now search function to call */
2348 if( p_box->data.p_data )
2350 for( i_index = 0; ; i_index++ )
2352 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2353 ( MP4_Box_Function[i_index].i_type == 0 ) )
2358 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2360 /* Should not happen */
2362 "cannot free box %4.4s, type unknown",
2363 (char*)&p_box->i_type );
2367 MP4_Box_Function[i_index].MP4_FreeBox_function( p_input, p_box );
2370 free( p_box->data.p_data );
2371 p_box->data.p_data = NULL;
2374 p_box->p_first = NULL;
2375 p_box->p_last = NULL;
2379 /*****************************************************************************
2380 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2381 *****************************************************************************
2382 * The first box is a virtual box "root" and is the father for all first
2383 * level boxes for the file, a sort of virtual contener
2384 *****************************************************************************/
2385 int MP4_BoxGetRoot( input_thread_t *p_input, MP4_Box_t *p_root )
2387 MP4_Stream_t *p_stream;
2390 MP4_SeekAbsolute( p_input, 0 ); /* Go to the begining */
2392 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2393 p_root->i_shortsize = 1;
2394 p_root->i_size = p_input->stream.p_selected_area->i_size;
2395 CreateUUID( &p_root->i_uuid, p_root->i_type );
2397 p_root->data.p_data = NULL;
2398 p_root->p_father = NULL;
2399 p_root->p_first = NULL;
2400 p_root->p_last = NULL;
2401 p_root->p_next = NULL;
2403 p_stream = MP4_InputStream( p_input );
2405 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2415 /* check if there is a cmov, if so replace
2416 compressed moov by uncompressed one */
2417 if( ( ( p_moov = MP4_FindBox( p_root, FOURCC_moov ) )&&
2418 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) ) ||
2419 ( ( p_moov = MP4_FindBox( p_root, FOURCC_foov ) )&&
2420 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) ) )
2422 /* rename the compressed moov as a box to skip */
2423 p_moov->i_type = FOURCC_skip;
2425 /* get uncompressed p_moov */
2426 p_moov = p_cmov->data.p_cmov->p_moov;
2427 p_cmov->data.p_cmov->p_moov = NULL;
2429 /* make p_root father of this new moov */
2430 p_moov->p_father = p_root;
2432 /* insert this new moov box as first child of p_root */
2433 p_moov->p_next = p_child = p_root->p_first;
2434 p_root->p_first = p_moov;
2441 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2442 MP4_Box_t *p_box, unsigned int i_level )
2448 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2449 (char*)&p_box->i_type );
2455 memset( str, (uint8_t)' ', 512 );
2456 for( i = 0; i < i_level; i++ )
2460 sprintf( str + i_level * 5, "+ %4.4s size %d",
2461 (char*)&p_box->i_type,
2462 (uint32_t)p_box->i_size );
2464 msg_Dbg( p_input, "%s", str );
2466 p_child = p_box->p_first;
2469 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2470 p_child = p_child->p_next;
2474 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2476 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2481 /*****************************************************************************
2482 *****************************************************************************
2484 ** High level methods to acces an MP4 file
2486 *****************************************************************************
2487 *****************************************************************************/
2488 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2491 if( !*ppsz_path[0] )
2498 while( (*ppsz_path)[i_len] &&
2499 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2503 if( !i_len && **ppsz_path == '/' )
2507 *ppsz_token = malloc( i_len + 1 );
2509 memcpy( *ppsz_token, *ppsz_path, i_len );
2511 (*ppsz_token)[i_len] = '\0';
2513 *ppsz_path += i_len;
2515 if( **ppsz_path == '[' )
2518 *pi_number = strtol( *ppsz_path, NULL, 10 );
2519 while( **ppsz_path && **ppsz_path != ']' )
2523 if( **ppsz_path == ']' )
2532 while( **ppsz_path == '/' )
2538 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2539 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2542 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
2552 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
2553 vasprintf( &psz_path, psz_fmt, args );
2555 i_size = strlen( psz_fmt ) + 1024;
2556 psz_path = calloc( i_size, sizeof( char ) );
2557 vsnprintf( psz_path, i_size, psz_fmt, args );
2558 psz_path[i_size - 1] = 0;
2561 if( !psz_path || !psz_path[0] )
2568 // fprintf( stderr, "path:'%s'\n", psz_path );
2569 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2575 __get_token( &psz_path, &psz_token, &i_number );
2576 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2577 // psz_path,psz_token,i_number );
2586 if( !strcmp( psz_token, "/" ) )
2589 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2591 p_box = p_box->p_father;
2602 if( !strcmp( psz_token, "." ) )
2607 if( !strcmp( psz_token, ".." ) )
2609 p_box = p_box->p_father;
2619 if( strlen( psz_token ) == 4 )
2622 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2623 psz_token[2], psz_token[3] );
2624 p_box = p_box->p_first;
2634 if( p_box->i_type == i_fourcc )
2642 p_box = p_box->p_next;
2646 if( strlen( psz_token ) == 0 )
2648 p_box = p_box->p_first;
2663 p_box = p_box->p_next;
2668 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2679 /*****************************************************************************
2680 * MP4_BoxGet: find a box given a path relative to p_box
2681 *****************************************************************************
2682 * Path Format: . .. / as usual
2683 * [number] to specifie box number ex: trak[12]
2685 * ex: /moov/trak[12]
2687 *****************************************************************************/
2688 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2691 MP4_Box_t *p_result;
2693 va_start( args, psz_fmt );
2694 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2700 /*****************************************************************************
2701 * MP4_BoxCount: count box given a path relative to p_box
2702 *****************************************************************************
2703 * Path Format: . .. / as usual
2704 * [number] to specifie box number ex: trak[12]
2706 * ex: /moov/trak[12]
2708 *****************************************************************************/
2709 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2713 MP4_Box_t *p_result, *p_next;
2715 va_start( args, psz_fmt );
2716 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2724 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2726 if( p_next->i_type == p_result->i_type)