1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.35 2003/11/26 08:18:09 gbazin 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() */
25 #include <vlc/input.h>
28 # include <zlib.h> /* for compressed moov */
33 /*****************************************************************************
34 * Here are defined some macro to make life simpler but before using it
37 *****************************************************************************/
38 #define MP4_BOX_HEADERSIZE( p_box ) \
39 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
40 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
42 #define MP4_GET1BYTE( dst ) \
43 dst = *p_peek; p_peek++; i_read--
45 #define MP4_GET2BYTES( dst ) \
46 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
48 #define MP4_GET3BYTES( dst ) \
49 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
51 #define MP4_GET4BYTES( dst ) \
52 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
54 #define MP4_GETFOURCC( dst ) \
55 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
56 p_peek += 4; i_read -= 4
58 #define MP4_GET8BYTES( dst ) \
59 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
61 #define MP4_GETVERSIONFLAGS( p_void ) \
62 MP4_GET1BYTE( p_void->i_version ); \
63 MP4_GET3BYTES( p_void->i_flags )
65 #define MP4_GETSTRINGZ( p_str ) \
66 if( ( i_read > 0 )&&(p_peek[0] ) ) \
68 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
69 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
70 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
71 p_peek += strlen( p_str ) + 1; \
72 i_read -= strlen( p_str ) + 1; \
80 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
81 int64_t i_read = p_box->i_size; \
82 uint8_t *p_peek, *p_buff; \
83 i_read = p_box->i_size; \
84 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
88 if( MP4_ReadStream( p_stream, p_peek, i_read ) )\
93 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
94 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
95 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
101 #define MP4_READBOX_EXIT( i_code ) \
105 msg_Warn( p_stream->p_input, "Not enougth data" ); \
110 if( p ) {free( p ); p = NULL; }
115 * The input method HAVE to be seekable
119 static uint32_t Get24bBE( uint8_t *p )
121 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
124 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
126 memcpy( p_uuid, p_buff, 16 );
129 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
131 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
132 where XXXXXXXX is the fourcc */
133 /* FIXME implement this */
136 /* some functions for mp4 encoding of variables */
138 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
145 /* date begin at 1 jan 1904 */
146 i_date += ((1904ULL * 365) + 17) * 24 * 60 * 60;
148 i_day = i_date / ( 60*60*24);
149 i_hour = ( i_date /( 60*60 ) ) % 60;
150 i_min = ( i_date / 60 ) % 60;
152 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
153 i_day, i_hour, i_min, i_sec );
156 /*****************************************************************************
158 *****************************************************************************/
159 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father );
161 /*****************************************************************************
162 * Some basic functions to manipulate stream more easily in vlc
164 * MP4_TellAbsolute get file position
166 * MP4_SeekAbsolute seek in the file
168 * MP4_ReadData read data from the file in a buffer
170 *****************************************************************************/
171 static off_t MP4_TellAbsolute( input_thread_t *p_input )
175 vlc_mutex_lock( &p_input->stream.stream_lock );
177 i_pos= p_input->stream.p_selected_area->i_tell;
179 vlc_mutex_unlock( &p_input->stream.stream_lock );
184 static int MP4_SeekAbsolute( input_thread_t *p_input, off_t i_pos)
188 //msg_Warn( p_input, "seek to %lld/%lld", i_pos, p_input->stream.p_selected_area->i_size );
190 if( p_input->stream.p_selected_area->i_size > 0 &&
191 i_pos >= p_input->stream.p_selected_area->i_size )
193 msg_Warn( p_input, "seek:after end of file" );
197 i_filepos = MP4_TellAbsolute( p_input );
199 if( i_filepos == i_pos )
204 if( p_input->stream.b_seekable &&
205 ( p_input->stream.i_method == INPUT_METHOD_FILE ||
206 i_pos - i_filepos < 0 ||
207 i_pos - i_filepos > 1024 ) )
209 input_AccessReinit( p_input );
210 p_input->pf_seek( p_input, i_pos );
213 else if( i_pos - i_filepos > 0 )
215 data_packet_t *p_data;
216 int i_skip = i_pos - i_filepos;
218 msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
224 i_read = input_SplitBuffer( p_input, &p_data,
225 __MIN( 4096, i_skip ) );
228 msg_Warn( p_input, "seek:cannot read" );
233 input_DeletePacket( p_input->p_method_data, p_data );
234 if( i_read == 0 && i_skip > 0 )
236 msg_Warn( p_input, "seek:cannot read" );
244 msg_Warn( p_input, "seek:failed" );
249 /* return 1 if success, 0 if fail */
250 static int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size )
252 data_packet_t *p_data;
259 return( VLC_SUCCESS );
264 i_read = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
267 return( VLC_EGENERIC );
269 memcpy( p_buff, p_data->p_payload_start, i_read );
270 input_DeletePacket( p_input->p_method_data, p_data );
277 return( VLC_SUCCESS );
280 /*****************************************************************************
281 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
282 * in the way that you can read from a memory buffer or from an input
284 *****************************************************************************/
286 /**** ------- First some function to make abstract from input -------- */
288 /****************************************************************************
289 * MP4_InputStream create an stram with an input
291 ****************************************************************************/
292 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
294 MP4_Stream_t *p_stream;
296 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
300 p_stream->b_memory = 0;
301 p_stream->p_input = p_input;
302 p_stream->i_start = 0;
303 p_stream->i_stop = 0;
304 p_stream->p_buffer = NULL;
309 /****************************************************************************
310 * MP4_MemoryStream create a memory stream
311 * if p_buffer == NULL, will allocate a buffer of i_size, else
312 * it uses p_buffer XXX you have to unallocate it yourself !
314 ****************************************************************************/
315 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
316 int i_size, uint8_t *p_buffer )
318 MP4_Stream_t *p_stream;
320 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
324 p_stream->b_memory = 1;
325 p_stream->p_input = p_input;
326 p_stream->i_start = 0;
327 p_stream->i_stop = i_size;
330 if( !( p_stream->p_buffer = malloc( i_size ) ) )
338 p_stream->p_buffer = p_buffer;
343 /****************************************************************************
344 * MP4_ReadStream read from a MP4_Stream_t
346 ****************************************************************************/
347 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
349 if( p_stream->b_memory )
351 if( i_size > p_stream->i_stop - p_stream->i_start )
353 return( VLC_EGENERIC );
356 p_stream->p_buffer + p_stream->i_start,
358 p_stream->i_start += i_size;
359 return( VLC_SUCCESS );
363 return( MP4_ReadData( p_stream->p_input, p_buff, i_size ) );
367 /****************************************************************************
368 * MP4_PeekStream peek from a MP4_Stream_t
370 ****************************************************************************/
371 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
373 if( p_stream->b_memory )
375 *pp_peek = p_stream->p_buffer + p_stream->i_start;
377 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
382 if( p_stream->p_input->stream.p_selected_area->i_size > 0 )
385 p_stream->p_input->stream.p_selected_area->i_size - MP4_TellAbsolute( p_stream->p_input );
391 return( input_Peek( p_stream->p_input, pp_peek, i_size ) );
395 /****************************************************************************
396 * MP4_TellStream give absolute position in the stream
397 * XXX for a memory stream give position from begining of the buffer
398 ****************************************************************************/
399 off_t MP4_TellStream( MP4_Stream_t *p_stream )
401 if( p_stream->b_memory )
403 return( p_stream->i_start );
407 return( MP4_TellAbsolute( p_stream->p_input ) );
411 /****************************************************************************
412 * MP4_SeekStream seek in a MP4_Stream_t
414 ****************************************************************************/
415 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
417 if( p_stream->b_memory )
419 if( i_pos < p_stream->i_stop )
421 p_stream->i_start = i_pos;
422 return( VLC_SUCCESS );
426 return( VLC_EGENERIC );
431 return( MP4_SeekAbsolute( p_stream->p_input, i_pos ) );
437 /*****************************************************************************
438 * MP4_ReadBoxCommon : Load only common parameters for all boxes
439 *****************************************************************************
440 * p_box need to be an already allocated MP4_Box_t, and all data
441 * will only be peek not read
443 * RETURN : 0 if it fail, 1 otherwise
444 *****************************************************************************/
445 static int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
450 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
454 p_box->i_pos = MP4_TellStream( p_stream );
456 p_box->data.p_data = NULL;
457 p_box->p_father = NULL;
458 p_box->p_first = NULL;
459 p_box->p_last = NULL;
460 p_box->p_next = NULL;
462 MP4_GET4BYTES( p_box->i_shortsize );
463 MP4_GETFOURCC( p_box->i_type );
465 /* Now special case */
467 if( p_box->i_shortsize == 1 )
469 /* get the true size on 64 bits */
470 MP4_GET8BYTES( p_box->i_size );
474 p_box->i_size = p_box->i_shortsize;
475 /* XXX size of 0 means that the box extends to end of file */
478 if( p_box->i_type == FOURCC_uuid )
480 /* get extented type on 16 bytes */
481 GetUUID( &p_box->i_uuid, p_peek );
482 p_peek += 16; i_read -= 16;
486 CreateUUID( &p_box->i_uuid, p_box->i_type );
491 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size "I64Fd,
492 (char*)&p_box->i_type,
501 /*****************************************************************************
502 * MP4_NextBox : Go to the next box
503 *****************************************************************************
504 * if p_box == NULL, go to the next box in witch we are( at the begining ).
505 *****************************************************************************/
506 static int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
512 MP4_ReadBoxCommon( p_stream, &box );
518 return( 2 ); /* Box with infinite size */
521 if( p_box->p_father )
523 /* check if it's within p-father */
524 if( p_box->i_size + p_box->i_pos >=
525 p_box->p_father->i_size + p_box->p_father->i_pos )
527 return( 0 ); /* out of bound */
530 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) ? 0 : 1 );
533 /*****************************************************************************
534 * For all known box a loader is given,
535 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
536 * after called one of theses functions, file position is unknown
537 * you need to call MP4_GotoBox to go where you want
538 *****************************************************************************/
539 static int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
543 if( MP4_TellStream( p_stream ) + 8 >
544 (off_t)(p_container->i_pos + p_container->i_size) )
546 /* there is no box to load */
552 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL )
556 /* chain this box with the father and the other at same level */
557 if( !p_container->p_first )
559 p_container->p_first = p_box;
563 p_container->p_last->p_next = p_box;
565 p_container->p_last = p_box;
566 } while( MP4_NextBox( p_stream, p_box ) == 1 );
572 static int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
574 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
576 /* container is empty, 8 stand for the first header in this box */
581 MP4_SeekStream( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
583 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
586 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
588 /* Up to now do nothing */
591 static int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
593 /* XXX sometime moov is hiden in a free box */
594 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
595 p_box->i_type == FOURCC_free )
601 i_read = MP4_PeekStream( p_stream, &p_peek, 44 );
603 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
604 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
608 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
610 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
612 msg_Warn( p_stream->p_input, "Detected moov hidden in a free box ..." );
614 p_box->i_type = FOURCC_foov;
615 return MP4_ReadBoxContainer( p_stream, p_box );
621 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
622 (char*)&p_box->i_type );
627 static int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
629 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
631 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
632 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
634 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
637 p_box->data.p_ftyp->i_compatible_brands =
638 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
640 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
642 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
647 p_box->data.p_ftyp->i_compatible_brands = NULL;
650 MP4_READBOX_EXIT( 1 );
653 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
655 FREE( p_box->data.p_ftyp->i_compatible_brands );
659 static int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
663 char s_creation_time[128];
664 char s_modification_time[128];
665 char s_duration[128];
667 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
669 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
671 if( p_box->data.p_mvhd->i_version )
673 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
674 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
675 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
676 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
680 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
681 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
682 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
683 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
685 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
686 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
687 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
690 for( i = 0; i < 2; i++ )
692 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
694 for( i = 0; i < 9; i++ )
696 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
698 for( i = 0; i < 6; i++ )
700 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
703 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
707 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
708 MP4_ConvertDate2Str( s_modification_time,
709 p_box->data.p_mvhd->i_modification_time );
710 if( p_box->data.p_mvhd->i_rate )
712 MP4_ConvertDate2Str( s_duration,
713 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
719 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",
722 (uint32_t)p_box->data.p_mvhd->i_timescale,
724 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
725 (float)p_box->data.p_mvhd->i_volume / 256 ,
726 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
728 MP4_READBOX_EXIT( 1 );
731 static int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
735 char s_creation_time[128];
736 char s_modification_time[128];
737 char s_duration[128];
739 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
741 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
743 if( p_box->data.p_tkhd->i_version )
745 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
746 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
747 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
748 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
749 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
753 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
754 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
755 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
756 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
757 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
760 for( i = 0; i < 2; i++ )
762 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
764 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
765 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
766 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
767 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
769 for( i = 0; i < 9; i++ )
771 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
773 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
774 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
777 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
778 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
779 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
781 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",
785 p_box->data.p_tkhd->i_track_ID,
786 p_box->data.p_tkhd->i_layer,
787 (float)p_box->data.p_tkhd->i_volume / 256 ,
788 (float)p_box->data.p_tkhd->i_width / 65536,
789 (float)p_box->data.p_tkhd->i_height / 65536 );
791 MP4_READBOX_EXIT( 1 );
795 static int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
800 char s_creation_time[128];
801 char s_modification_time[128];
802 char s_duration[128];
804 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
806 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
808 if( p_box->data.p_mdhd->i_version )
810 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
811 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
812 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
813 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
817 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
818 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
819 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
820 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
822 i_language = GetWBE( p_peek );
823 for( i = 0; i < 3; i++ )
825 p_box->data.p_mdhd->i_language[i] =
826 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
829 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
832 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
833 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
834 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
835 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
838 (uint32_t)p_box->data.p_mdhd->i_timescale,
840 p_box->data.p_mdhd->i_language[0],
841 p_box->data.p_mdhd->i_language[1],
842 p_box->data.p_mdhd->i_language[2] );
844 MP4_READBOX_EXIT( 1 );
848 static int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
850 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
852 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
854 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
855 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
857 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
858 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
861 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
862 (char*)&p_box->data.p_hdlr->i_handler_type,
863 p_box->data.p_hdlr->psz_name );
866 MP4_READBOX_EXIT( 1 );
869 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
871 FREE( p_box->data.p_hdlr->psz_name );
874 static int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
878 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
880 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
882 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
883 for( i = 0; i < 3; i++ )
885 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
889 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
890 p_box->data.p_vmhd->i_graphics_mode,
891 p_box->data.p_vmhd->i_opcolor[0],
892 p_box->data.p_vmhd->i_opcolor[1],
893 p_box->data.p_vmhd->i_opcolor[2] );
895 MP4_READBOX_EXIT( 1 );
898 static int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
900 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
902 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
906 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
908 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
911 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
912 (float)p_box->data.p_smhd->i_balance / 256 );
914 MP4_READBOX_EXIT( 1 );
918 static int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
920 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
922 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
924 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
925 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
927 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
928 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
930 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
933 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
934 p_box->data.p_hmhd->i_max_PDU_size,
935 p_box->data.p_hmhd->i_avg_PDU_size,
936 p_box->data.p_hmhd->i_max_bitrate,
937 p_box->data.p_hmhd->i_avg_bitrate );
939 MP4_READBOX_EXIT( 1 );
942 static int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
944 MP4_READBOX_ENTER( MP4_Box_data_url_t );
946 MP4_GETVERSIONFLAGS( p_box->data.p_url );
947 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
950 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
951 p_box->data.p_url->psz_location );
954 MP4_READBOX_EXIT( 1 );
958 static void MP4_FreeBox_url( MP4_Box_t *p_box )
960 FREE( p_box->data.p_url->psz_location )
963 static int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
965 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
967 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
969 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
970 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
973 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
974 p_box->data.p_urn->psz_name,
975 p_box->data.p_urn->psz_location );
977 MP4_READBOX_EXIT( 1 );
979 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
981 FREE( p_box->data.p_urn->psz_name );
982 FREE( p_box->data.p_urn->psz_location );
986 static int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
988 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
990 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
992 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
994 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
995 MP4_ReadBoxContainerRaw( p_stream, p_box );
998 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
999 p_box->data.p_dref->i_entry_count );
1002 MP4_READBOX_EXIT( 1 );
1006 static int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1009 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1011 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1012 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1014 p_box->data.p_stts->i_sample_count =
1015 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1016 p_box->data.p_stts->i_sample_delta =
1017 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1019 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1021 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1022 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1026 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
1027 p_box->data.p_stts->i_entry_count );
1030 MP4_READBOX_EXIT( 1 );
1033 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
1035 FREE( p_box->data.p_stts->i_sample_count );
1036 FREE( p_box->data.p_stts->i_sample_delta );
1039 static int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1042 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1044 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1046 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1048 p_box->data.p_ctts->i_sample_count =
1049 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1050 p_box->data.p_ctts->i_sample_offset =
1051 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1053 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1055 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1056 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1060 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
1061 p_box->data.p_ctts->i_entry_count );
1064 MP4_READBOX_EXIT( 1 );
1067 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
1069 FREE( p_box->data.p_ctts->i_sample_count );
1070 FREE( p_box->data.p_ctts->i_sample_offset );
1073 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1076 unsigned int i_len = 0;
1083 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1084 } while( i_b&0x80 );
1088 static int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1090 #define es_descriptor p_box->data.p_esds->es_descriptor
1092 unsigned int i_flags;
1093 unsigned int i_type;
1095 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1097 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1100 MP4_GET1BYTE( i_type );
1101 if( i_type == 0x03 ) /* MP4ESDescrTag */
1103 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1106 msg_Dbg( p_stream->p_input, "Found esds MPEG4ESDescr (%dBytes)",
1110 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1111 MP4_GET1BYTE( i_flags );
1112 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1113 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1114 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1116 es_descriptor.i_stream_priority = i_flags&0x1f;
1117 if( es_descriptor.b_stream_dependence )
1119 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1121 if( es_descriptor.b_url )
1125 MP4_GET1BYTE( i_len );
1126 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1127 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1128 es_descriptor.psz_URL[i_len] = 0;
1134 es_descriptor.psz_URL = NULL;
1136 if( es_descriptor.b_OCRstream )
1138 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1140 MP4_GET1BYTE( i_type ); /* get next type */
1143 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1145 es_descriptor.p_decConfigDescr = NULL;
1146 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1149 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1152 msg_Dbg( p_stream->p_input, "Found esds MP4DecConfigDescr (%dBytes)",
1156 es_descriptor.p_decConfigDescr =
1157 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1159 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1160 MP4_GET1BYTE( i_flags );
1161 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1162 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1163 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1164 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1165 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1166 MP4_GET1BYTE( i_type );
1167 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1169 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1170 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1171 MP4_READBOX_EXIT( 1 );
1174 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1177 msg_Dbg( p_stream->p_input, "Found esds MP4DecSpecificDescr (%dBytes)",
1181 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1182 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1183 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1186 MP4_READBOX_EXIT( 1 );
1188 #undef es_descriptor
1191 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1193 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1194 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1196 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1198 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1201 static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1205 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1207 /* Sanity check needed because the "wave" box does also contain an
1208 * "mp4a" box that we don't understand. */
1212 MP4_READBOX_EXIT( 0 );
1215 for( i = 0; i < 6 ; i++ )
1217 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1220 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1223 * XXX hack -> produce a copy of the nearly complete chunk
1225 p_box->data.p_sample_soun->i_qt_description = i_read;
1226 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1227 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1229 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1230 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1231 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1233 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1234 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1235 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1236 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1237 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1238 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1240 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1244 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1245 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1246 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1247 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1250 msg_Dbg( p_stream->p_input,
1251 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1252 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1253 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1255 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1259 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1260 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1261 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1262 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1264 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1265 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1267 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1270 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1271 p_box->data.p_sample_soun->i_channelcount,
1272 p_box->data.p_sample_soun->i_samplesize,
1273 (float)p_box->data.p_sample_soun->i_sampleratehi +
1274 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1277 MP4_READBOX_EXIT( 1 );
1281 static int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1285 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1287 for( i = 0; i < 6 ; i++ )
1289 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1292 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1295 * XXX hack -> produce a copy of the nearly complete chunk
1299 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1300 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1301 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1307 p_box->data.p_sample_vide->i_qt_image_description = 0;
1308 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1311 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1312 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1313 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1315 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1316 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1318 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1319 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1321 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1322 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1324 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1325 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1327 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1328 p_peek += 32; i_read -= 32;
1330 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1331 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1333 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1334 MP4_ReadBoxContainerRaw( p_stream, p_box );
1337 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1338 p_box->data.p_sample_vide->i_width,
1339 p_box->data.p_sample_vide->i_height,
1340 p_box->data.p_sample_vide->i_depth );
1343 MP4_READBOX_EXIT( 1 );
1347 static int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1350 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1352 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1354 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1356 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1358 MP4_ReadBoxContainerRaw( p_stream, p_box );
1361 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1362 p_box->data.p_stsd->i_entry_count );
1365 MP4_READBOX_EXIT( 1 );
1369 static int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1373 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1375 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1377 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1379 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1381 p_box->data.p_stsz->i_entry_size =
1382 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1384 if( !p_box->data.p_stsz->i_sample_size )
1386 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1388 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1393 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1394 p_box->data.p_stsz->i_sample_size,
1395 p_box->data.p_stsz->i_sample_count );
1398 MP4_READBOX_EXIT( 1 );
1401 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1403 FREE( p_box->data.p_stsz->i_entry_size );
1406 static int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1410 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1412 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1414 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1416 p_box->data.p_stsc->i_first_chunk =
1417 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1418 p_box->data.p_stsc->i_samples_per_chunk =
1419 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1420 p_box->data.p_stsc->i_sample_description_index =
1421 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1423 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1425 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1426 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1427 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1431 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1432 p_box->data.p_stsc->i_entry_count );
1435 MP4_READBOX_EXIT( 1 );
1438 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1440 FREE( p_box->data.p_stsc->i_first_chunk );
1441 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1442 FREE( p_box->data.p_stsc->i_sample_description_index );
1445 static int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1449 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1451 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1453 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1455 p_box->data.p_co64->i_chunk_offset =
1456 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1458 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1460 if( p_box->i_type == FOURCC_stco )
1466 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1474 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1479 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1480 p_box->data.p_co64->i_entry_count );
1483 MP4_READBOX_EXIT( 1 );
1486 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1488 FREE( p_box->data.p_co64->i_chunk_offset );
1491 static int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1495 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1497 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1499 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1501 p_box->data.p_stss->i_sample_number =
1502 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1504 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1507 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1508 /* XXX in libmp4 sample begin at 0 */
1509 p_box->data.p_stss->i_sample_number[i]--;
1513 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1514 p_box->data.p_stss->i_entry_count );
1517 MP4_READBOX_EXIT( 1 );
1520 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1522 FREE( p_box->data.p_stss->i_sample_number )
1525 static int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1529 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1531 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1534 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1536 p_box->data.p_stsh->i_shadowed_sample_number =
1537 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1539 p_box->data.p_stsh->i_sync_sample_number =
1540 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1543 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1546 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1547 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1551 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1552 p_box->data.p_stsh->i_entry_count );
1554 MP4_READBOX_EXIT( 1 );
1557 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1559 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1560 FREE( p_box->data.p_stsh->i_sync_sample_number )
1564 static int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1568 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1570 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1572 p_box->data.p_stdp->i_priority =
1573 calloc( sizeof( uint16_t ), i_read / 2 );
1575 for( i = 0; i < i_read / 2 ; i++ )
1578 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1582 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1586 MP4_READBOX_EXIT( 1 );
1589 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1591 FREE( p_box->data.p_stdp->i_priority )
1594 static int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1598 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1600 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1603 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1605 p_box->data.p_padb->i_reserved1 =
1606 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1607 p_box->data.p_padb->i_pad2 =
1608 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1609 p_box->data.p_padb->i_reserved2 =
1610 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1611 p_box->data.p_padb->i_pad1 =
1612 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1615 for( i = 0; i < i_read / 2 ; i++ )
1617 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1618 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1619 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1620 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1622 p_peek += 1; i_read -= 1;
1626 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1630 MP4_READBOX_EXIT( 1 );
1633 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1635 FREE( p_box->data.p_padb->i_reserved1 );
1636 FREE( p_box->data.p_padb->i_pad2 );
1637 FREE( p_box->data.p_padb->i_reserved2 );
1638 FREE( p_box->data.p_padb->i_pad1 );
1641 static int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1645 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1647 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1650 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1652 p_box->data.p_elst->i_segment_duration =
1653 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1654 p_box->data.p_elst->i_media_time =
1655 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1656 p_box->data.p_elst->i_media_rate_integer =
1657 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1658 p_box->data.p_elst->i_media_rate_fraction=
1659 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1662 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1664 if( p_box->data.p_elst->i_version == 1 )
1667 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1669 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1674 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1676 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1679 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1680 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1684 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1688 MP4_READBOX_EXIT( 1 );
1691 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1693 FREE( p_box->data.p_elst->i_segment_duration );
1694 FREE( p_box->data.p_elst->i_media_time );
1695 FREE( p_box->data.p_elst->i_media_rate_integer );
1696 FREE( p_box->data.p_elst->i_media_rate_fraction );
1699 static int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1701 unsigned int i_language;
1704 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1706 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1708 i_language = GetWBE( p_peek );
1709 for( i = 0; i < 3; i++ )
1711 p_box->data.p_cprt->i_language[i] =
1712 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1714 p_peek += 2; i_read -= 2;
1715 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1718 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1719 p_box->data.p_cprt->i_language[0],
1720 p_box->data.p_cprt->i_language[1],
1721 p_box->data.p_cprt->i_language[2],
1722 p_box->data.p_cprt->psz_notice );
1725 MP4_READBOX_EXIT( 1 );
1728 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1730 FREE( p_box->data.p_cprt->psz_notice );
1734 static int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1736 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1738 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1740 msg_Dbg( p_stream->p_input,
1741 "Read Box: \"dcom\" compression algorithm : %4.4s",
1742 (char*)&p_box->data.p_dcom->i_algorithm );
1744 MP4_READBOX_EXIT( 1 );
1747 static int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1749 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1751 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1753 p_box->data.p_cmvd->i_compressed_size = i_read;
1755 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1757 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1761 /* now copy compressed data */
1762 memcpy( p_box->data.p_cmvd->p_data,
1766 p_box->data.p_cmvd->b_compressed = 1;
1769 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1770 p_box->data.p_cmvd->i_compressed_size );
1773 MP4_READBOX_EXIT( 1 );
1775 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1777 FREE( p_box->data.p_cmvd->p_data );
1781 static int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1783 MP4_Stream_t *p_stream_memory;
1794 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1796 msg_Err( p_stream->p_input, "out of memory" );
1799 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1801 if( !p_box->p_father ||
1802 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1804 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1808 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1813 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1814 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1815 p_cmvd->data.p_cmvd->p_data == NULL )
1817 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1821 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1823 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1824 (char*)&p_dcom->data.p_dcom->i_algorithm );
1829 msg_Dbg( p_stream->p_input,
1830 "Read Box: \"cmov\" zlib unsupported" );
1833 /* decompress data */
1834 /* allocate a new buffer */
1835 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1837 msg_Err( p_stream->p_input,
1838 "Read Box: \"cmov\" not enough memory to uncompress data" );
1841 /* init default structures */
1842 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1843 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1844 z_data.next_out = p_data;
1845 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1846 z_data.zalloc = (alloc_func)Z_NULL;
1847 z_data.zfree = (free_func)Z_NULL;
1848 z_data.opaque = (voidpf)Z_NULL;
1851 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1853 msg_Err( p_stream->p_input,
1854 "Read Box: \"cmov\" error while uncompressing data" );
1860 i_result = inflate( &z_data, Z_NO_FLUSH );
1861 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1863 msg_Err( p_stream->p_input,
1864 "Read Box: \"cmov\" error while uncompressing data" );
1869 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1871 msg_Warn( p_stream->p_input,
1872 "Read Box: \"cmov\" uncompressing data size mismatch" );
1874 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1877 i_result = inflateEnd( &z_data );
1878 if( i_result != Z_OK )
1880 msg_Warn( p_stream->p_input,
1881 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1885 free( p_cmvd->data.p_cmvd->p_data );
1886 p_cmvd->data.p_cmvd->p_data = p_data;
1887 p_cmvd->data.p_cmvd->b_compressed = 0;
1889 msg_Dbg( p_stream->p_input,
1890 "Read Box: \"cmov\" box succesfully uncompressed" );
1892 /* now create a memory stream */
1893 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1894 p_cmvd->data.p_cmvd->i_uncompressed_size,
1895 p_cmvd->data.p_cmvd->p_data );
1897 /* and read uncompressd moov */
1898 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1900 free( p_stream_memory );
1903 msg_Dbg( p_stream->p_input,
1904 "Read Box: \"cmov\" compressed movie header completed" );
1906 return( p_box->data.p_cmov->p_moov ? 1 : 0 );
1907 #endif /* HAVE_ZLIB_H */
1910 static int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1913 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1915 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1916 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1917 MP4_GET4BYTES( i_len );
1921 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1922 for( i = 0; i < i_len; i++ )
1924 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1926 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1930 p_box->data.p_rdrf->psz_ref = NULL;
1934 msg_Dbg( p_stream->p_input,
1935 "Read Box: \"rdrf\" type:%4.4s ref %s",
1936 (char*)&p_box->data.p_rdrf->i_ref_type,
1937 p_box->data.p_rdrf->psz_ref );
1940 MP4_READBOX_EXIT( 1 );
1943 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1945 FREE( p_box->data.p_rdrf->psz_ref )
1949 static int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1951 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1953 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1955 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1958 msg_Dbg( p_stream->p_input,
1959 "Read Box: \"rmdr\" rate:%d",
1960 p_box->data.p_rmdr->i_rate );
1962 MP4_READBOX_EXIT( 1 );
1965 static int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1967 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1969 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1972 msg_Dbg( p_stream->p_input,
1973 "Read Box: \"rmqu\" quality:%d",
1974 p_box->data.p_rmqu->i_quality );
1976 MP4_READBOX_EXIT( 1 );
1979 static int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1981 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1982 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1984 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1985 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1986 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1987 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1990 msg_Dbg( p_stream->p_input,
1991 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1992 (char*)&p_box->data.p_rmvc->i_gestaltType,
1993 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1994 p_box->data.p_rmvc->i_checkType );
1997 MP4_READBOX_EXIT( 1 );
2000 /**** ------------------------------------------------------------------- ****/
2001 /**** "Higher level" Functions ****/
2002 /**** ------------------------------------------------------------------- ****/
2007 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
2008 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2009 } MP4_Box_Function [] =
2012 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2013 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2014 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2015 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2016 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2017 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2018 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2019 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2020 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2021 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2022 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2023 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2024 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2025 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2026 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2027 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2030 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2031 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2032 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2033 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2034 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2035 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2036 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2037 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2038 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2039 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2040 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2041 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2042 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2043 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2044 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2045 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2046 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2047 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2048 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2049 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2050 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2051 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2052 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2053 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2054 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2055 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2056 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2057 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2059 /* Nothing to do with this box */
2060 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2061 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2062 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2063 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2066 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2067 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2068 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2069 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2070 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2071 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2072 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2073 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2074 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2075 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2076 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2077 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2078 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2079 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2080 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2081 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2082 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2083 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2084 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2085 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2086 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2088 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2089 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2090 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2091 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2092 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2093 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2094 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2095 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2096 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2097 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2098 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2099 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2100 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2101 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2102 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2103 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2104 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2105 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2106 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2107 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2108 { FOURCC_mjht, NULL, NULL },
2109 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2110 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2111 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2112 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2114 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2116 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2118 /* XXX there is 2 box where we could find this entry stbl and tref*/
2119 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2121 /* found in tref box */
2122 { FOURCC_dpnd, NULL, NULL },
2123 { FOURCC_ipir, NULL, NULL },
2124 { FOURCC_mpod, NULL, NULL },
2127 { FOURCC_rtp, NULL, NULL },
2130 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2131 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2132 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2133 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2141 /*****************************************************************************
2142 * MP4_ReadBox : parse the actual box and the children
2143 * XXX : Do not go to the next box
2144 *****************************************************************************/
2145 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father )
2147 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2148 unsigned int i_index;
2150 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2152 msg_Warn( p_stream->p_input, "Cannot read one box" );
2156 if( !p_box->i_size )
2158 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2162 p_box->p_father = p_father;
2164 /* Now search function to call */
2165 for( i_index = 0; ; i_index++ )
2167 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2168 ( MP4_Box_Function[i_index].i_type == 0 ) )
2173 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2175 msg_Warn( p_stream->p_input,
2176 "Unknown box type %4.4s (uncompletetly loaded)",
2177 (char*)&p_box->i_type );
2179 else if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2188 /*****************************************************************************
2189 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2191 *****************************************************************************/
2192 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2194 unsigned int i_index;
2202 for( p_child = p_box->p_first; p_child != NULL; )
2206 p_next = p_child->p_next;
2207 MP4_BoxFree( p_input, p_child );
2211 /* Now search function to call */
2212 if( p_box->data.p_data )
2214 for( i_index = 0; ; i_index++ )
2216 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2217 ( MP4_Box_Function[i_index].i_type == 0 ) )
2222 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2224 /* Should not happen */
2226 "cannot free box %4.4s, type unknown",
2227 (char*)&p_box->i_type );
2231 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2234 free( p_box->data.p_data );
2240 /*****************************************************************************
2241 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2242 *****************************************************************************
2243 * The first box is a virtual box "root" and is the father for all first
2244 * level boxes for the file, a sort of virtual contener
2245 *****************************************************************************/
2246 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input )
2249 MP4_Stream_t *p_stream;
2252 p_root = malloc( sizeof( MP4_Box_t ) );
2254 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2255 p_root->i_shortsize = 1;
2256 p_root->i_size = p_input->stream.p_selected_area->i_size;
2257 CreateUUID( &p_root->i_uuid, p_root->i_type );
2259 p_root->data.p_data = NULL;
2260 p_root->p_father = NULL;
2261 p_root->p_first = NULL;
2262 p_root->p_last = NULL;
2263 p_root->p_next = NULL;
2265 p_stream = MP4_InputStream( p_input );
2267 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2277 /* check if there is a cmov, if so replace
2278 compressed moov by uncompressed one */
2279 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2280 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2281 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2282 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2284 /* rename the compressed moov as a box to skip */
2285 p_moov->i_type = FOURCC_skip;
2287 /* get uncompressed p_moov */
2288 p_moov = p_cmov->data.p_cmov->p_moov;
2289 p_cmov->data.p_cmov->p_moov = NULL;
2291 /* make p_root father of this new moov */
2292 p_moov->p_father = p_root;
2294 /* insert this new moov box as first child of p_root */
2295 p_moov->p_next = p_child = p_root->p_first;
2296 p_root->p_first = p_moov;
2304 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2305 MP4_Box_t *p_box, unsigned int i_level )
2311 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2312 (char*)&p_box->i_type );
2318 memset( str, (uint8_t)' ', 512 );
2319 for( i = 0; i < i_level; i++ )
2323 sprintf( str + i_level * 5, "+ %4.4s size %d",
2324 (char*)&p_box->i_type,
2325 (uint32_t)p_box->i_size );
2327 msg_Dbg( p_input, "%s", str );
2329 p_child = p_box->p_first;
2332 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2333 p_child = p_child->p_next;
2337 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2339 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2344 /*****************************************************************************
2345 *****************************************************************************
2347 ** High level methods to acces an MP4 file
2349 *****************************************************************************
2350 *****************************************************************************/
2351 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2354 if( !*ppsz_path[0] )
2361 while( (*ppsz_path)[i_len] &&
2362 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2366 if( !i_len && **ppsz_path == '/' )
2370 *ppsz_token = malloc( i_len + 1 );
2372 memcpy( *ppsz_token, *ppsz_path, i_len );
2374 (*ppsz_token)[i_len] = '\0';
2376 *ppsz_path += i_len;
2378 if( **ppsz_path == '[' )
2381 *pi_number = strtol( *ppsz_path, NULL, 10 );
2382 while( **ppsz_path && **ppsz_path != ']' )
2386 if( **ppsz_path == ']' )
2395 while( **ppsz_path == '/' )
2401 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2402 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2405 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
2415 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
2416 vasprintf( &psz_path, psz_fmt, args );
2418 i_size = strlen( psz_fmt ) + 1024;
2419 psz_path = calloc( i_size, sizeof( char ) );
2420 vsnprintf( psz_path, i_size, psz_fmt, args );
2421 psz_path[i_size - 1] = 0;
2424 if( !psz_path || !psz_path[0] )
2431 // fprintf( stderr, "path:'%s'\n", psz_path );
2432 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2438 __get_token( &psz_path, &psz_token, &i_number );
2439 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2440 // psz_path,psz_token,i_number );
2449 if( !strcmp( psz_token, "/" ) )
2452 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2454 p_box = p_box->p_father;
2465 if( !strcmp( psz_token, "." ) )
2470 if( !strcmp( psz_token, ".." ) )
2472 p_box = p_box->p_father;
2482 if( strlen( psz_token ) == 4 )
2485 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2486 psz_token[2], psz_token[3] );
2487 p_box = p_box->p_first;
2497 if( p_box->i_type == i_fourcc )
2505 p_box = p_box->p_next;
2509 if( strlen( psz_token ) == 0 )
2511 p_box = p_box->p_first;
2526 p_box = p_box->p_next;
2531 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2542 /*****************************************************************************
2543 * MP4_BoxGet: find a box given a path relative to p_box
2544 *****************************************************************************
2545 * Path Format: . .. / as usual
2546 * [number] to specifie box number ex: trak[12]
2548 * ex: /moov/trak[12]
2550 *****************************************************************************/
2551 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2554 MP4_Box_t *p_result;
2556 va_start( args, psz_fmt );
2557 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2563 /*****************************************************************************
2564 * MP4_BoxCount: count box given a path relative to p_box
2565 *****************************************************************************
2566 * Path Format: . .. / as usual
2567 * [number] to specifie box number ex: trak[12]
2569 * ex: /moov/trak[12]
2571 *****************************************************************************/
2572 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2576 MP4_Box_t *p_result, *p_next;
2578 va_start( args, psz_fmt );
2579 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2587 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2589 if( p_next->i_type == p_result->i_type)