1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.33 2003/09/08 00:35:16 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() */
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 );
1105 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1106 MP4_GET1BYTE( i_flags );
1107 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1108 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1109 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1111 es_descriptor.i_stream_priority = i_flags&0x1f;
1112 if( es_descriptor.b_stream_dependence )
1114 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1116 if( es_descriptor.b_url )
1120 MP4_GET1BYTE( i_len );
1121 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1122 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1123 es_descriptor.psz_URL[i_len] = 0;
1129 es_descriptor.psz_URL = NULL;
1131 if( es_descriptor.b_OCRstream )
1133 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1135 MP4_GET1BYTE( i_type ); /* get next type */
1138 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1140 es_descriptor.p_decConfigDescr = NULL;
1141 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1144 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1145 es_descriptor.p_decConfigDescr =
1146 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1148 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1149 MP4_GET1BYTE( i_flags );
1150 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1151 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1152 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1153 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1154 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1155 MP4_GET1BYTE( i_type );
1156 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1158 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1159 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1160 MP4_READBOX_EXIT( 1 );
1163 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1164 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1165 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1166 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1169 MP4_READBOX_EXIT( 1 );
1171 #undef es_descriptor
1174 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1176 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1177 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1179 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1181 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1184 static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1188 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1190 for( i = 0; i < 6 ; i++ )
1192 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1195 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1198 * XXX hack -> produce a copy of the nearly complete chunk
1202 p_box->data.p_sample_soun->i_qt_description = i_read;
1203 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1204 memcpy( p_box->data.p_sample_soun->p_qt_description,
1210 p_box->data.p_sample_soun->i_qt_description = 0;
1211 p_box->data.p_sample_soun->p_qt_description = NULL;
1214 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1215 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1216 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1218 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1219 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1220 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1221 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1222 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1223 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1225 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1229 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1230 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1231 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1232 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1235 msg_Dbg( p_stream->p_input,
1236 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1237 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1238 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1240 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1244 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1245 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1246 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1247 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1249 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1250 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1252 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1255 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1256 p_box->data.p_sample_soun->i_channelcount,
1257 p_box->data.p_sample_soun->i_samplesize,
1258 (float)p_box->data.p_sample_soun->i_sampleratehi +
1259 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1262 MP4_READBOX_EXIT( 1 );
1266 static int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1270 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1272 for( i = 0; i < 6 ; i++ )
1274 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1277 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1280 * XXX hack -> produce a copy of the nearly complete chunk
1284 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1285 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1286 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1292 p_box->data.p_sample_vide->i_qt_image_description = 0;
1293 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1296 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1297 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1298 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1300 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1301 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1303 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1304 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1306 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1307 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1309 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1310 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1312 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1313 p_peek += 32; i_read -= 32;
1315 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1316 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1318 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1319 MP4_ReadBoxContainerRaw( p_stream, p_box );
1322 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1323 p_box->data.p_sample_vide->i_width,
1324 p_box->data.p_sample_vide->i_height,
1325 p_box->data.p_sample_vide->i_depth );
1328 MP4_READBOX_EXIT( 1 );
1332 static int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1335 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1337 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1339 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1341 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1343 MP4_ReadBoxContainerRaw( p_stream, p_box );
1346 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1347 p_box->data.p_stsd->i_entry_count );
1350 MP4_READBOX_EXIT( 1 );
1354 static int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1358 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1360 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1362 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1364 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1366 p_box->data.p_stsz->i_entry_size =
1367 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1369 if( !p_box->data.p_stsz->i_sample_size )
1371 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1373 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1378 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1379 p_box->data.p_stsz->i_sample_size,
1380 p_box->data.p_stsz->i_sample_count );
1383 MP4_READBOX_EXIT( 1 );
1386 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1388 FREE( p_box->data.p_stsz->i_entry_size );
1391 static int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1395 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1397 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1399 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1401 p_box->data.p_stsc->i_first_chunk =
1402 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1403 p_box->data.p_stsc->i_samples_per_chunk =
1404 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1405 p_box->data.p_stsc->i_sample_description_index =
1406 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1408 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1410 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1411 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1412 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1416 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1417 p_box->data.p_stsc->i_entry_count );
1420 MP4_READBOX_EXIT( 1 );
1423 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1425 FREE( p_box->data.p_stsc->i_first_chunk );
1426 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1427 FREE( p_box->data.p_stsc->i_sample_description_index );
1430 static int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1434 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1436 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1438 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1440 p_box->data.p_co64->i_chunk_offset =
1441 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1443 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1445 if( p_box->i_type == FOURCC_stco )
1451 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1459 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1464 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1465 p_box->data.p_co64->i_entry_count );
1468 MP4_READBOX_EXIT( 1 );
1471 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1473 FREE( p_box->data.p_co64->i_chunk_offset );
1476 static int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1480 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1482 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1484 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1486 p_box->data.p_stss->i_sample_number =
1487 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1489 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1492 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1493 /* XXX in libmp4 sample begin at 0 */
1494 p_box->data.p_stss->i_sample_number[i]--;
1498 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1499 p_box->data.p_stss->i_entry_count );
1502 MP4_READBOX_EXIT( 1 );
1505 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1507 FREE( p_box->data.p_stss->i_sample_number )
1510 static int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1514 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1516 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1519 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1521 p_box->data.p_stsh->i_shadowed_sample_number =
1522 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1524 p_box->data.p_stsh->i_sync_sample_number =
1525 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1528 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1531 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1532 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1536 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1537 p_box->data.p_stsh->i_entry_count );
1539 MP4_READBOX_EXIT( 1 );
1542 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1544 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1545 FREE( p_box->data.p_stsh->i_sync_sample_number )
1549 static int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1553 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1555 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1557 p_box->data.p_stdp->i_priority =
1558 calloc( sizeof( uint16_t ), i_read / 2 );
1560 for( i = 0; i < i_read / 2 ; i++ )
1563 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1567 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1571 MP4_READBOX_EXIT( 1 );
1574 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1576 FREE( p_box->data.p_stdp->i_priority )
1579 static int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1583 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1585 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1588 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1590 p_box->data.p_padb->i_reserved1 =
1591 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1592 p_box->data.p_padb->i_pad2 =
1593 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1594 p_box->data.p_padb->i_reserved2 =
1595 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1596 p_box->data.p_padb->i_pad1 =
1597 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1600 for( i = 0; i < i_read / 2 ; i++ )
1602 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1603 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1604 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1605 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1607 p_peek += 1; i_read -= 1;
1611 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1615 MP4_READBOX_EXIT( 1 );
1618 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1620 FREE( p_box->data.p_padb->i_reserved1 );
1621 FREE( p_box->data.p_padb->i_pad2 );
1622 FREE( p_box->data.p_padb->i_reserved2 );
1623 FREE( p_box->data.p_padb->i_pad1 );
1626 static int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1630 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1632 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1635 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1637 p_box->data.p_elst->i_segment_duration =
1638 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1639 p_box->data.p_elst->i_media_time =
1640 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1641 p_box->data.p_elst->i_media_rate_integer =
1642 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1643 p_box->data.p_elst->i_media_rate_fraction=
1644 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1647 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1649 if( p_box->data.p_elst->i_version == 1 )
1652 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1654 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1659 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1661 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1664 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1665 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1669 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1673 MP4_READBOX_EXIT( 1 );
1676 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1678 FREE( p_box->data.p_elst->i_segment_duration );
1679 FREE( p_box->data.p_elst->i_media_time );
1680 FREE( p_box->data.p_elst->i_media_rate_integer );
1681 FREE( p_box->data.p_elst->i_media_rate_fraction );
1684 static int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1686 unsigned int i_language;
1689 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1691 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1693 i_language = GetWBE( p_peek );
1694 for( i = 0; i < 3; i++ )
1696 p_box->data.p_cprt->i_language[i] =
1697 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1699 p_peek += 2; i_read -= 2;
1700 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1703 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1704 p_box->data.p_cprt->i_language[0],
1705 p_box->data.p_cprt->i_language[1],
1706 p_box->data.p_cprt->i_language[2],
1707 p_box->data.p_cprt->psz_notice );
1710 MP4_READBOX_EXIT( 1 );
1713 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1715 FREE( p_box->data.p_cprt->psz_notice );
1719 static int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1721 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1723 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1725 msg_Dbg( p_stream->p_input,
1726 "Read Box: \"dcom\" compression algorithm : %4.4s",
1727 (char*)&p_box->data.p_dcom->i_algorithm );
1729 MP4_READBOX_EXIT( 1 );
1732 static int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1734 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1736 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1738 p_box->data.p_cmvd->i_compressed_size = i_read;
1740 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1742 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1746 /* now copy compressed data */
1747 memcpy( p_box->data.p_cmvd->p_data,
1751 p_box->data.p_cmvd->b_compressed = 1;
1754 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1755 p_box->data.p_cmvd->i_compressed_size );
1758 MP4_READBOX_EXIT( 1 );
1760 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1762 FREE( p_box->data.p_cmvd->p_data );
1766 static int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1768 MP4_Stream_t *p_stream_memory;
1779 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1781 msg_Err( p_stream->p_input, "out of memory" );
1784 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1786 if( !p_box->p_father ||
1787 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1789 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1793 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1798 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1799 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1800 p_cmvd->data.p_cmvd->p_data == NULL )
1802 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1806 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1808 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1809 (char*)&p_dcom->data.p_dcom->i_algorithm );
1814 msg_Dbg( p_stream->p_input,
1815 "Read Box: \"cmov\" zlib unsupported" );
1818 /* decompress data */
1819 /* allocate a new buffer */
1820 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1822 msg_Err( p_stream->p_input,
1823 "Read Box: \"cmov\" not enough memory to uncompress data" );
1826 /* init default structures */
1827 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1828 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1829 z_data.next_out = p_data;
1830 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1831 z_data.zalloc = (alloc_func)Z_NULL;
1832 z_data.zfree = (free_func)Z_NULL;
1833 z_data.opaque = (voidpf)Z_NULL;
1836 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1838 msg_Err( p_stream->p_input,
1839 "Read Box: \"cmov\" error while uncompressing data" );
1845 i_result = inflate( &z_data, Z_NO_FLUSH );
1846 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1848 msg_Err( p_stream->p_input,
1849 "Read Box: \"cmov\" error while uncompressing data" );
1854 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1856 msg_Warn( p_stream->p_input,
1857 "Read Box: \"cmov\" uncompressing data size mismatch" );
1859 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1862 i_result = inflateEnd( &z_data );
1863 if( i_result != Z_OK )
1865 msg_Warn( p_stream->p_input,
1866 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1870 free( p_cmvd->data.p_cmvd->p_data );
1871 p_cmvd->data.p_cmvd->p_data = p_data;
1872 p_cmvd->data.p_cmvd->b_compressed = 0;
1874 msg_Dbg( p_stream->p_input,
1875 "Read Box: \"cmov\" box succesfully uncompressed" );
1877 /* now create a memory stream */
1878 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1879 p_cmvd->data.p_cmvd->i_uncompressed_size,
1880 p_cmvd->data.p_cmvd->p_data );
1882 /* and read uncompressd moov */
1883 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1885 free( p_stream_memory );
1888 msg_Dbg( p_stream->p_input,
1889 "Read Box: \"cmov\" compressed movie header completed" );
1891 return( p_box->data.p_cmov->p_moov ? 1 : 0 );
1892 #endif /* HAVE_ZLIB_H */
1895 static int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1898 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1900 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1901 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1902 MP4_GET4BYTES( i_len );
1906 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1907 for( i = 0; i < i_len; i++ )
1909 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1911 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1915 p_box->data.p_rdrf->psz_ref = NULL;
1919 msg_Dbg( p_stream->p_input,
1920 "Read Box: \"rdrf\" type:%4.4s ref %s",
1921 (char*)&p_box->data.p_rdrf->i_ref_type,
1922 p_box->data.p_rdrf->psz_ref );
1925 MP4_READBOX_EXIT( 1 );
1928 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1930 FREE( p_box->data.p_rdrf->psz_ref )
1934 static int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1936 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1938 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1940 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1943 msg_Dbg( p_stream->p_input,
1944 "Read Box: \"rmdr\" rate:%d",
1945 p_box->data.p_rmdr->i_rate );
1947 MP4_READBOX_EXIT( 1 );
1950 static int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1952 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1954 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1957 msg_Dbg( p_stream->p_input,
1958 "Read Box: \"rmqu\" quality:%d",
1959 p_box->data.p_rmqu->i_quality );
1961 MP4_READBOX_EXIT( 1 );
1964 static int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1966 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1967 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1969 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1970 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1971 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1972 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1975 msg_Dbg( p_stream->p_input,
1976 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1977 (char*)&p_box->data.p_rmvc->i_gestaltType,
1978 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1979 p_box->data.p_rmvc->i_checkType );
1982 MP4_READBOX_EXIT( 1 );
1985 /**** ------------------------------------------------------------------- ****/
1986 /**** "Higher level" Functions ****/
1987 /**** ------------------------------------------------------------------- ****/
1992 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
1993 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
1994 } MP4_Box_Function [] =
1997 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1998 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1999 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2000 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2001 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2002 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2003 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2004 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2005 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2006 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2007 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2008 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2009 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2010 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2011 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2014 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2015 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2016 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2017 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2018 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2019 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2020 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2021 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2022 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2023 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2024 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2025 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2026 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2027 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2028 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2029 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2030 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2031 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2032 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2033 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2034 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2035 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2036 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2037 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2038 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2039 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2040 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2041 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2043 /* Nothing to do with this box */
2044 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2045 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2046 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2047 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2050 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2051 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2052 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2053 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2054 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2055 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2056 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2057 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2058 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2059 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2060 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2061 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2062 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2063 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2064 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2065 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2066 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2067 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2068 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2069 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2070 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2072 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2073 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2074 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2075 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2076 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2077 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2078 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2079 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2080 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2081 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2082 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2083 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2084 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2085 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2086 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2087 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2088 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2089 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2090 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2091 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2092 { FOURCC_mjht, NULL, NULL },
2093 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2094 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2095 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2096 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2098 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2100 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2102 /* XXX there is 2 box where we could find this entry stbl and tref*/
2103 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2105 /* found in tref box */
2106 { FOURCC_dpnd, NULL, NULL },
2107 { FOURCC_ipir, NULL, NULL },
2108 { FOURCC_mpod, NULL, NULL },
2111 { FOURCC_rtp, NULL, NULL },
2114 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2115 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2116 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2117 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2125 /*****************************************************************************
2126 * MP4_ReadBox : parse the actual box and the children
2127 * XXX : Do not go to the next box
2128 *****************************************************************************/
2129 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father )
2131 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2132 unsigned int i_index;
2134 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2136 msg_Warn( p_stream->p_input, "Cannot read one box" );
2140 if( !p_box->i_size )
2142 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2146 p_box->p_father = p_father;
2148 /* Now search function to call */
2149 for( i_index = 0; ; i_index++ )
2151 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2152 ( MP4_Box_Function[i_index].i_type == 0 ) )
2157 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2159 msg_Warn( p_stream->p_input,
2160 "Unknown box type %4.4s (uncompletetly loaded)",
2161 (char*)&p_box->i_type );
2163 else if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2172 /*****************************************************************************
2173 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2175 *****************************************************************************/
2176 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2178 unsigned int i_index;
2186 for( p_child = p_box->p_first; p_child != NULL; )
2190 p_next = p_child->p_next;
2191 MP4_BoxFree( p_input, p_child );
2195 /* Now search function to call */
2196 if( p_box->data.p_data )
2198 for( i_index = 0; ; i_index++ )
2200 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2201 ( MP4_Box_Function[i_index].i_type == 0 ) )
2206 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2208 /* Should not happen */
2210 "cannot free box %4.4s, type unknown",
2211 (char*)&p_box->i_type );
2215 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2218 free( p_box->data.p_data );
2224 /*****************************************************************************
2225 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2226 *****************************************************************************
2227 * The first box is a virtual box "root" and is the father for all first
2228 * level boxes for the file, a sort of virtual contener
2229 *****************************************************************************/
2230 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input )
2233 MP4_Stream_t *p_stream;
2236 p_root = malloc( sizeof( MP4_Box_t ) );
2238 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2239 p_root->i_shortsize = 1;
2240 p_root->i_size = p_input->stream.p_selected_area->i_size;
2241 CreateUUID( &p_root->i_uuid, p_root->i_type );
2243 p_root->data.p_data = NULL;
2244 p_root->p_father = NULL;
2245 p_root->p_first = NULL;
2246 p_root->p_last = NULL;
2247 p_root->p_next = NULL;
2249 p_stream = MP4_InputStream( p_input );
2251 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2261 /* check if there is a cmov, if so replace
2262 compressed moov by uncompressed one */
2263 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2264 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2265 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2266 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2268 /* rename the compressed moov as a box to skip */
2269 p_moov->i_type = FOURCC_skip;
2271 /* get uncompressed p_moov */
2272 p_moov = p_cmov->data.p_cmov->p_moov;
2273 p_cmov->data.p_cmov->p_moov = NULL;
2275 /* make p_root father of this new moov */
2276 p_moov->p_father = p_root;
2278 /* insert this new moov box as first child of p_root */
2279 p_moov->p_next = p_child = p_root->p_first;
2280 p_root->p_first = p_moov;
2288 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2289 MP4_Box_t *p_box, unsigned int i_level )
2295 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2296 (char*)&p_box->i_type );
2302 memset( str, (uint8_t)' ', 512 );
2303 for( i = 0; i < i_level; i++ )
2307 sprintf( str + i_level * 5, "+ %4.4s size %d",
2308 (char*)&p_box->i_type,
2309 (uint32_t)p_box->i_size );
2311 msg_Dbg( p_input, "%s", str );
2313 p_child = p_box->p_first;
2316 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2317 p_child = p_child->p_next;
2321 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2323 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2328 /*****************************************************************************
2329 *****************************************************************************
2331 ** High level methods to acces an MP4 file
2333 *****************************************************************************
2334 *****************************************************************************/
2335 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2338 if( !*ppsz_path[0] )
2345 while( (*ppsz_path)[i_len] &&
2346 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2350 if( !i_len && **ppsz_path == '/' )
2354 *ppsz_token = malloc( i_len + 1 );
2356 memcpy( *ppsz_token, *ppsz_path, i_len );
2358 (*ppsz_token)[i_len] = '\0';
2360 *ppsz_path += i_len;
2362 if( **ppsz_path == '[' )
2365 *pi_number = strtol( *ppsz_path, NULL, 10 );
2366 while( **ppsz_path && **ppsz_path != ']' )
2370 if( **ppsz_path == ']' )
2379 while( **ppsz_path == '/' )
2385 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2386 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2389 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
2399 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
2400 vasprintf( &psz_path, psz_fmt, args );
2402 i_size = strlen( psz_fmt ) + 1024;
2403 psz_path = calloc( i_size, sizeof( char ) );
2404 vsnprintf( psz_path, i_size, psz_fmt, args );
2405 psz_path[i_size - 1] = 0;
2408 if( !psz_path || !psz_path[0] )
2415 // fprintf( stderr, "path:'%s'\n", psz_path );
2416 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2422 __get_token( &psz_path, &psz_token, &i_number );
2423 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2424 // psz_path,psz_token,i_number );
2433 if( !strcmp( psz_token, "/" ) )
2436 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2438 p_box = p_box->p_father;
2449 if( !strcmp( psz_token, "." ) )
2454 if( !strcmp( psz_token, ".." ) )
2456 p_box = p_box->p_father;
2466 if( strlen( psz_token ) == 4 )
2469 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2470 psz_token[2], psz_token[3] );
2471 p_box = p_box->p_first;
2481 if( p_box->i_type == i_fourcc )
2489 p_box = p_box->p_next;
2493 if( strlen( psz_token ) == 0 )
2495 p_box = p_box->p_first;
2510 p_box = p_box->p_next;
2515 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2526 /*****************************************************************************
2527 * MP4_BoxGet: find a box given a path relative to p_box
2528 *****************************************************************************
2529 * Path Format: . .. / as usual
2530 * [number] to specifie box number ex: trak[12]
2532 * ex: /moov/trak[12]
2534 *****************************************************************************/
2535 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2538 MP4_Box_t *p_result;
2540 va_start( args, psz_fmt );
2541 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2547 /*****************************************************************************
2548 * MP4_BoxCount: count box given a path relative to p_box
2549 *****************************************************************************
2550 * Path Format: . .. / as usual
2551 * [number] to specifie box number ex: trak[12]
2553 * ex: /moov/trak[12]
2555 *****************************************************************************/
2556 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2560 MP4_Box_t *p_result, *p_next;
2562 va_start( args, psz_fmt );
2563 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2571 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2573 if( p_next->i_type == p_result->i_type)