1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.14 2003/02/07 01:22:55 fenrir Exp $
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
22 #include <stdlib.h> /* malloc(), free() */
24 #include <string.h> /* strdup() */
26 #include <sys/types.h>
29 #include <vlc/input.h>
32 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 * XXX: All macro are written in capital letters
43 *****************************************************************************/
44 #define MP4_BOX_HEADERSIZE( p_box ) \
45 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
46 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
48 #define MP4_BOX_DESCEND( p_box ) \
49 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) )
51 #define MP4_GET1BYTE( dst ) \
52 dst = *p_peek; p_peek++; i_read--
54 #define MP4_GET2BYTES( dst ) \
55 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
57 #define MP4_GET3BYTES( dst ) \
58 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
60 #define MP4_GET4BYTES( dst ) \
61 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
63 #define MP4_GETFOURCC( dst ) \
64 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
65 p_peek += 4; i_read -= 4
67 #define MP4_GET8BYTES( dst ) \
68 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
70 #define MP4_GETVERSIONFLAGS( p_void ) \
71 MP4_GET1BYTE( p_void->i_version ); \
72 MP4_GET3BYTES( p_void->i_flags )
74 #define MP4_GETSTRINGZ( p_str ) \
75 if( ( i_read > 0 )&&(p_peek[0] ) ) \
77 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
78 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
79 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
80 p_peek += strlen( p_str ) + 1; \
81 i_read -= strlen( p_str ) + 1; \
89 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
90 int64_t i_read = p_box->i_size; \
91 uint8_t *p_peek, *p_buff; \
92 i_read = p_box->i_size; \
93 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
97 if( !MP4_ReadStream( p_stream, p_peek, i_read ) )\
102 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
103 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
104 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
110 #define MP4_READBOX_EXIT( i_code ) \
114 msg_Warn( p_stream->p_input, "Not enougth data" ); \
119 if( p ) {free( p ); p = NULL; }
124 * The input method HAVE to be seekable
128 /* Some functions to manipulate memory */
129 static uint16_t GetWLE( uint8_t *p_buff )
131 return( (p_buff[0]) + ( p_buff[1] <<8 ) );
134 static uint32_t GetDWLE( uint8_t *p_buff )
136 return( p_buff[0] + ( p_buff[1] <<8 ) +
137 ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
140 static uint16_t GetWBE( uint8_t *p_buff )
142 return( (p_buff[0]<<8) + p_buff[1] );
145 static uint32_t Get24bBE( uint8_t *p_buff )
147 return( ( p_buff[0] <<16 ) + ( p_buff[1] <<8 ) + p_buff[2] );
151 static uint32_t GetDWBE( uint8_t *p_buff )
153 return( (p_buff[0] << 24) + ( p_buff[1] <<16 ) +
154 ( p_buff[2] <<8 ) + p_buff[3] );
157 static uint64_t GetQWBE( uint8_t *p_buff )
159 return( ( (uint64_t)GetDWBE( p_buff ) << 32 )|( (uint64_t)GetDWBE( p_buff + 4 ) ) );
163 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
170 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
172 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
173 where XXXXXXXX is the fourcc */
174 /* FIXME implement this */
177 /* some functions for mp4 encoding of variables */
179 void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
186 i_day = i_date / ( 60*60*24);
187 i_hour = ( i_date /( 60*60 ) ) % 60;
188 i_min = ( i_date / 60 ) % 60;
190 /* FIXME do it correctly, date begin at 1 jan 1904 */
191 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
192 i_day, i_hour, i_min, i_sec );
197 /*****************************************************************************
198 * Some basic functions to manipulate stream more easily in vlc
200 * MP4_TellAbsolute get file position
202 * MP4_SeekAbsolute seek in the file
204 * MP4_ReadData read data from the file in a buffer
206 *****************************************************************************/
207 off_t MP4_TellAbsolute( input_thread_t *p_input )
211 vlc_mutex_lock( &p_input->stream.stream_lock );
213 i_pos= p_input->stream.p_selected_area->i_tell;
214 // ( p_input->p_last_data - p_input->p_current_data );
216 vlc_mutex_unlock( &p_input->stream.stream_lock );
221 int MP4_SeekAbsolute( input_thread_t *p_input,
226 if( i_pos >= p_input->stream.p_selected_area->i_size )
231 i_filepos = MP4_TellAbsolute( p_input );
232 if( i_pos != i_filepos )
234 p_input->pf_seek( p_input, i_pos );
235 input_AccessReinit( p_input );
240 /* return 1 if success, 0 if fail */
241 int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size )
243 data_packet_t *p_data;
255 i_read = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
260 memcpy( p_buff, p_data->p_payload_start, i_read );
261 input_DeletePacket( p_input->p_method_data, p_data );
271 /*****************************************************************************
272 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
273 * in the way that you can read from a memory buffer or from an input
275 *****************************************************************************/
277 /**** ------- First some function to make abstract from input -------- */
279 /****************************************************************************
280 * MP4_InputStream create an stram with an input
282 ****************************************************************************/
283 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
285 MP4_Stream_t *p_stream;
287 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
291 p_stream->b_memory = 0;
292 p_stream->p_input = p_input;
293 p_stream->i_start = 0;
294 p_stream->i_stop = 0;
295 p_stream->p_buffer = NULL;
300 /****************************************************************************
301 * MP4_MemoryStream create a memory stream
302 * if p_buffer == NULL, will allocate a buffer of i_size, else
303 * it uses p_buffer XXX you have to unallocate it yourself !
305 ****************************************************************************/
306 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
307 int i_size, uint8_t *p_buffer )
309 MP4_Stream_t *p_stream;
311 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
315 p_stream->b_memory = 1;
316 p_stream->p_input = p_input;
317 p_stream->i_start = 0;
318 p_stream->i_stop = i_size;
319 if( !p_stream->p_buffer )
321 if( !( p_stream->p_buffer = malloc( i_size ) ) )
329 p_stream->p_buffer = p_buffer;
334 /****************************************************************************
335 * MP4_ReadStream read from a MP4_Stream_t
337 ****************************************************************************/
338 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
340 if( p_stream->b_memory )
342 if( i_size > p_stream->i_stop - p_stream->i_start )
347 p_stream->p_buffer + p_stream->i_start,
349 p_stream->i_start += i_size;
354 return( MP4_ReadData( p_stream->p_input, p_buff, i_size ) );
358 /****************************************************************************
359 * MP4_PeekStream peek from a MP4_Stream_t
361 ****************************************************************************/
362 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
364 if( p_stream->b_memory )
366 *pp_peek = p_stream->p_buffer + p_stream->i_start;
368 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
372 return( input_Peek( p_stream->p_input, pp_peek, i_size ) );
376 /****************************************************************************
377 * MP4_TellStream give absolute position in the stream
378 * XXX for a memory stream give position from begining of the buffer
379 ****************************************************************************/
380 off_t MP4_TellStream( MP4_Stream_t *p_stream )
382 if( p_stream->b_memory )
384 return( p_stream->i_start );
388 return( MP4_TellAbsolute( p_stream->p_input ) );
392 /****************************************************************************
393 * MP4_SeekStream seek in a MP4_Stream_t
395 ****************************************************************************/
396 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
398 if( p_stream->b_memory )
400 if( i_pos < p_stream->i_stop )
402 p_stream->i_start = i_pos;
412 return( MP4_SeekAbsolute( p_stream->p_input, i_pos ) );
418 /*****************************************************************************
419 * MP4_ReadBoxCommon : Load only common parameters for all boxes
420 *****************************************************************************
421 * p_box need to be an already allocated MP4_Box_t, and all data
422 * will only be peek not read
424 * RETURN : 0 if it fail, 1 otherwise
425 *****************************************************************************/
426 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
431 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
435 p_box->i_pos = MP4_TellStream( p_stream );
437 p_box->data.p_data = NULL;
438 p_box->p_father = NULL;
439 p_box->p_first = NULL;
440 p_box->p_last = NULL;
441 p_box->p_next = NULL;
443 MP4_GET4BYTES( p_box->i_shortsize );
444 MP4_GETFOURCC( p_box->i_type );
446 /* Now special case */
448 if( p_box->i_shortsize == 1 )
450 /* get the true size on 64 bits */
451 MP4_GET8BYTES( p_box->i_size );
455 p_box->i_size = p_box->i_shortsize;
456 /* XXX size of 0 means that the box extends to end of file */
459 if( p_box->i_type == FOURCC_uuid )
461 /* get extented type on 16 bytes */
462 GetUUID( &p_box->i_uuid, p_peek );
463 p_peek += 16; i_read -= 16;
467 CreateUUID( &p_box->i_uuid, p_box->i_type );
470 /* FIXME how to write uint64_t ??? */
473 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size %d",
474 (char*)&p_box->i_type,
475 (uint32_t)p_box->i_size );
483 /*****************************************************************************
484 * MP4_MP4_NextBox : Go to the next box
485 *****************************************************************************
486 * if p_box == NULL, go to the next box in witch we are( at the begining ).
487 *****************************************************************************/
488 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
494 MP4_ReadBoxCommon( p_stream, &box );
500 return( 2 ); /* Box with infinite size */
503 if( p_box->p_father )
505 /* check if it's within p-father */
506 if( p_box->i_size + p_box->i_pos >=
507 p_box->p_father->i_size + p_box->p_father->i_pos )
509 return( 0 ); /* out of bound */
512 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) );
514 /*****************************************************************************
515 * MP4_MP4_GotoBox : Go to this particular box
516 *****************************************************************************
517 * RETURN : 0 if it fail, 1 otherwise
518 *****************************************************************************/
519 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
521 return( MP4_SeekStream( p_stream, p_box->i_pos ) );
525 /*****************************************************************************
526 * For all known box a loader is given,
527 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
528 * after called one of theses functions, file position is unknown
529 * you need to call MP4_GotoBox to go where you want
530 *****************************************************************************/
531 int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
535 if( MP4_TellStream( p_stream ) + 8 >
536 (off_t)(p_container->i_pos + p_container->i_size) )
538 /* there is no box to load */
544 p_box = malloc( sizeof( MP4_Box_t ) );
546 if( MP4_ReadBox( p_stream, p_box , p_container ) )
548 /* chain this box with the father and the other at same level */
549 if( !p_container->p_first )
551 p_container->p_first = p_box;
555 p_container->p_last->p_next = p_box;
557 p_container->p_last = p_box;
566 }while( MP4_NextBox( p_stream, p_box ) == 1 );
572 int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
575 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
577 /* container is empty, 8 stand for the first header in this box */
582 MP4_BOX_DESCEND( p_container );
584 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
587 void MP4_FreeBox_Common( input_thread_t *p_input, MP4_Box_t *p_box )
589 /* Up to now do nothing */
592 int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
596 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
597 (char*)&p_box->i_type );
602 int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
604 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
606 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
607 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
609 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
612 p_box->data.p_ftyp->i_compatible_brands =
613 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
615 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
617 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
622 p_box->data.p_ftyp->i_compatible_brands = NULL;
625 MP4_READBOX_EXIT( 1 );
628 void MP4_FreeBox_ftyp( input_thread_t *p_input, MP4_Box_t *p_box )
630 FREE( p_box->data.p_ftyp->i_compatible_brands );
634 int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
638 char s_creation_time[128];
639 char s_modification_time[128];
640 char s_duration[128];
642 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
644 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
646 if( p_box->data.p_mvhd->i_version )
648 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
649 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
650 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
651 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
655 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
656 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
657 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
658 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
660 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
661 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
662 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
665 for( i = 0; i < 2; i++ )
667 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
669 for( i = 0; i < 9; i++ )
671 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
673 for( i = 0; i < 6; i++ )
675 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
678 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
682 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
683 MP4_ConvertDate2Str( s_modification_time,
684 p_box->data.p_mvhd->i_modification_time );
685 if( p_box->data.p_mvhd->i_rate )
687 MP4_ConvertDate2Str( s_duration,
688 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
694 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",
697 (uint32_t)p_box->data.p_mvhd->i_timescale,
699 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
700 (float)p_box->data.p_mvhd->i_volume / 256 ,
701 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
703 MP4_READBOX_EXIT( 1 );
706 int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
710 char s_creation_time[128];
711 char s_modification_time[128];
712 char s_duration[128];
714 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
716 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
718 if( p_box->data.p_tkhd->i_version )
720 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
721 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
722 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
723 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
724 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
728 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
729 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
730 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
731 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
732 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
735 for( i = 0; i < 2; i++ )
737 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
739 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
740 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
741 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
742 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
744 for( i = 0; i < 9; i++ )
746 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
748 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
749 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
752 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
753 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
754 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
756 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",
760 p_box->data.p_tkhd->i_track_ID,
761 p_box->data.p_tkhd->i_layer,
762 (float)p_box->data.p_tkhd->i_volume / 256 ,
763 (float)p_box->data.p_tkhd->i_width / 65536,
764 (float)p_box->data.p_tkhd->i_height / 65536 );
766 MP4_READBOX_EXIT( 1 );
769 int MP4_ReadBox_tref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
772 if( p_box->i_size < (size_t)MP4_BOX_HEADERSIZE(p_box ) + 8 )
774 /* container is empty, 8 stand for the first header in this box */
778 if( !MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) ) )
783 MP4_ReadBoxContainerRaw( p_stream, p_box );
786 msg_Dbg( p_stream->p_input, "Read Box: \"tref\" " );
794 int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
799 char s_creation_time[128];
800 char s_modification_time[128];
801 char s_duration[128];
803 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
805 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
807 if( p_box->data.p_mdhd->i_version )
809 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
810 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
811 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
812 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
816 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
817 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
818 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
819 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
821 i_language = GetWBE( p_peek );
822 for( i = 0; i < 3; i++ )
824 p_box->data.p_mdhd->i_language[i] =
825 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
828 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
831 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
832 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
833 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
834 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
837 (uint32_t)p_box->data.p_mdhd->i_timescale,
839 p_box->data.p_mdhd->i_language[0],
840 p_box->data.p_mdhd->i_language[1],
841 p_box->data.p_mdhd->i_language[2] );
843 MP4_READBOX_EXIT( 1 );
847 int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
849 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
851 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
853 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
854 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
856 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
857 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
860 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
861 (char*)&p_box->data.p_hdlr->i_handler_type,
862 p_box->data.p_hdlr->psz_name );
865 MP4_READBOX_EXIT( 1 );
868 void MP4_FreeBox_hdlr( input_thread_t *p_input, MP4_Box_t *p_box )
870 FREE( p_box->data.p_hdlr->psz_name );
873 int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
877 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
879 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
881 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
882 for( i = 0; i < 3; i++ )
884 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
888 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
889 p_box->data.p_vmhd->i_graphics_mode,
890 p_box->data.p_vmhd->i_opcolor[0],
891 p_box->data.p_vmhd->i_opcolor[1],
892 p_box->data.p_vmhd->i_opcolor[2] );
894 MP4_READBOX_EXIT( 1 );
897 int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
899 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
901 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
905 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
907 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
910 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
911 (float)p_box->data.p_smhd->i_balance / 256 );
913 MP4_READBOX_EXIT( 1 );
917 int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
919 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
921 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
923 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
924 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
926 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
927 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
929 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
932 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
933 p_box->data.p_hmhd->i_max_PDU_size,
934 p_box->data.p_hmhd->i_avg_PDU_size,
935 p_box->data.p_hmhd->i_max_bitrate,
936 p_box->data.p_hmhd->i_avg_bitrate );
938 MP4_READBOX_EXIT( 1 );
941 int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
943 MP4_READBOX_ENTER( MP4_Box_data_url_t );
945 MP4_GETVERSIONFLAGS( p_box->data.p_url );
946 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
949 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
950 p_box->data.p_url->psz_location );
953 MP4_READBOX_EXIT( 1 );
957 void MP4_FreeBox_url( input_thread_t *p_input, MP4_Box_t *p_box )
959 FREE( p_box->data.p_url->psz_location )
962 int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
964 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
966 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
968 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
969 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
972 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
973 p_box->data.p_urn->psz_name,
974 p_box->data.p_urn->psz_location );
976 MP4_READBOX_EXIT( 1 );
978 void MP4_FreeBox_urn( input_thread_t *p_input, MP4_Box_t *p_box )
980 FREE( p_box->data.p_urn->psz_name );
981 FREE( p_box->data.p_urn->psz_location );
985 int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
987 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
989 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
991 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
993 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
994 MP4_ReadBoxContainerRaw( p_stream, p_box );
997 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
998 p_box->data.p_dref->i_entry_count );
1001 MP4_READBOX_EXIT( 1 );
1005 int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1008 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1010 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1011 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1013 p_box->data.p_stts->i_sample_count =
1014 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1015 p_box->data.p_stts->i_sample_delta =
1016 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1018 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1020 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1021 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1025 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
1026 p_box->data.p_stts->i_entry_count );
1029 MP4_READBOX_EXIT( 1 );
1032 void MP4_FreeBox_stts( input_thread_t *p_input, MP4_Box_t *p_box )
1034 FREE( p_box->data.p_stts->i_sample_count );
1035 FREE( p_box->data.p_stts->i_sample_delta );
1038 int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1041 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1043 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1045 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1047 p_box->data.p_ctts->i_sample_count =
1048 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1049 p_box->data.p_ctts->i_sample_offset =
1050 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1052 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1054 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1055 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1059 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
1060 p_box->data.p_ctts->i_entry_count );
1063 MP4_READBOX_EXIT( 1 );
1066 void MP4_FreeBox_ctts( input_thread_t *p_input, MP4_Box_t *p_box )
1068 FREE( p_box->data.p_ctts->i_sample_count );
1069 FREE( p_box->data.p_ctts->i_sample_offset );
1072 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1075 unsigned int i_len = 0;
1082 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1083 } while( i_b&0x80 );
1087 int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1089 #define es_descriptor p_box->data.p_esds->es_descriptor
1091 unsigned int i_flags;
1092 unsigned int i_type;
1094 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1096 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1099 MP4_GET1BYTE( i_type );
1100 if( i_type == 0x03 ) /* MP4ESDescrTag */
1102 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1104 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1105 MP4_GET1BYTE( i_flags );
1106 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1107 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1108 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1110 es_descriptor.i_stream_priority = i_flags&0x1f;
1111 if( es_descriptor.b_stream_dependence )
1113 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1115 if( es_descriptor.b_url )
1119 MP4_GET1BYTE( i_len );
1120 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1121 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1122 es_descriptor.psz_URL[i_len] = 0;
1128 es_descriptor.psz_URL = NULL;
1130 if( es_descriptor.b_OCRstream )
1132 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1134 MP4_GET1BYTE( i_type ); /* get next type */
1137 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1139 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1142 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1143 es_descriptor.p_decConfigDescr =
1144 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1146 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1147 MP4_GET1BYTE( i_flags );
1148 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1149 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1150 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1151 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1152 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1153 MP4_GET1BYTE( i_type );
1154 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1156 MP4_READBOX_EXIT( 1 );
1159 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1160 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1161 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1162 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1165 MP4_READBOX_EXIT( 1 );
1167 #undef es_descriptor
1170 void MP4_FreeBox_esds( input_thread_t *p_input, MP4_Box_t *p_box )
1172 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1173 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1175 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1177 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1180 int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1184 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1186 for( i = 0; i < 6 ; i++ )
1188 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1191 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1193 for( i = 0; i < 2 ; i++ )
1195 MP4_GET4BYTES( p_box->data.p_sample_soun->i_reserved2[i] );
1198 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1199 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1200 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1201 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1202 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1203 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1205 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1206 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1209 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1210 p_box->data.p_sample_soun->i_channelcount,
1211 p_box->data.p_sample_soun->i_samplesize,
1212 (float)p_box->data.p_sample_soun->i_sampleratehi +
1213 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1216 MP4_READBOX_EXIT( 1 );
1220 int MP4_ReadBox_sample_mp4a( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1224 MP4_READBOX_ENTER( MP4_Box_data_sample_mp4a_t );
1226 for( i = 0; i < 6 ; i++ )
1228 MP4_GET1BYTE( p_box->data.p_sample_mp4a->i_reserved1[i] );
1231 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_data_reference_index );
1233 for( i = 0; i < 2 ; i++ )
1235 MP4_GET4BYTES( p_box->data.p_sample_mp4a->i_reserved2[i] );
1238 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_channelcount );
1239 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_samplesize );
1240 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_predefined );
1241 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_reserved3 );
1242 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_sampleratehi );
1243 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_sampleratelo );
1245 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1246 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1249 msg_Dbg( p_stream->p_input, "Read Box: \"mp4a\" in stsd channel %d sample size %d sampl rate %f",
1250 p_box->data.p_sample_mp4a->i_channelcount,
1251 p_box->data.p_sample_mp4a->i_samplesize,
1252 (float)p_box->data.p_sample_mp4a->i_sampleratehi +
1253 (float)p_box->data.p_sample_mp4a->i_sampleratelo / 65536 );
1256 MP4_READBOX_EXIT( 1 );
1260 int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1264 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1266 for( i = 0; i < 6 ; i++ )
1268 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1271 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1273 MP4_GET2BYTES( p_box->data.p_sample_vide->i_predefined1 );
1274 MP4_GET2BYTES( p_box->data.p_sample_vide->i_reserved2 );
1276 for( i = 0; i < 3 ; i++ )
1278 MP4_GET4BYTES( p_box->data.p_sample_vide->i_predefined2[i] );
1281 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1282 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1284 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1285 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1287 MP4_GET4BYTES( p_box->data.p_sample_vide->i_reserved3 );
1288 MP4_GET2BYTES( p_box->data.p_sample_vide->i_predefined3 );
1290 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1291 p_peek += 32; i_read -= 32;
1293 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1294 MP4_GET2BYTES( p_box->data.p_sample_vide->i_predefined4 );
1296 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1297 MP4_ReadBoxContainerRaw( p_stream, p_box );
1300 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1301 p_box->data.p_sample_vide->i_width,
1302 p_box->data.p_sample_vide->i_height,
1303 p_box->data.p_sample_vide->i_depth );
1306 MP4_READBOX_EXIT( 1 );
1310 int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1313 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1315 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1317 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1319 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1321 MP4_ReadBoxContainerRaw( p_stream, p_box );
1324 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1325 p_box->data.p_stsd->i_entry_count );
1328 MP4_READBOX_EXIT( 1 );
1332 int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1336 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1338 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1340 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1342 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1344 p_box->data.p_stsz->i_entry_size =
1345 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1347 if( !p_box->data.p_stsz->i_sample_size )
1349 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1351 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1356 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1357 p_box->data.p_stsz->i_sample_size,
1358 p_box->data.p_stsz->i_sample_count );
1361 MP4_READBOX_EXIT( 1 );
1364 void MP4_FreeBox_stsz( input_thread_t *p_input, MP4_Box_t *p_box )
1366 FREE( p_box->data.p_stsz->i_entry_size );
1369 int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1373 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1375 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1377 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1379 p_box->data.p_stsc->i_first_chunk =
1380 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1381 p_box->data.p_stsc->i_samples_per_chunk =
1382 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1383 p_box->data.p_stsc->i_sample_description_index =
1384 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1386 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1388 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1389 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1390 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1394 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1395 p_box->data.p_stsc->i_entry_count );
1398 MP4_READBOX_EXIT( 1 );
1401 void MP4_FreeBox_stsc( input_thread_t *p_input, MP4_Box_t *p_box )
1403 FREE( p_box->data.p_stsc->i_first_chunk );
1404 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1405 FREE( p_box->data.p_stsc->i_sample_description_index );
1408 int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1412 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1414 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1416 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1418 p_box->data.p_co64->i_chunk_offset =
1419 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1421 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1423 if( p_box->i_type == FOURCC_stco )
1429 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1437 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1442 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1443 p_box->data.p_co64->i_entry_count );
1446 MP4_READBOX_EXIT( 1 );
1449 void MP4_FreeBox_stco_co64( input_thread_t *p_input, MP4_Box_t *p_box )
1451 FREE( p_box->data.p_co64->i_chunk_offset );
1454 int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1458 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1460 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1462 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1464 p_box->data.p_stss->i_sample_number =
1465 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1467 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1470 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1471 /* XXX in libmp4 sample begin at 0 */
1472 p_box->data.p_stss->i_sample_number[i]--;
1476 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1477 p_box->data.p_stss->i_entry_count );
1480 MP4_READBOX_EXIT( 1 );
1483 void MP4_FreeBox_stss( input_thread_t *p_input, MP4_Box_t *p_box )
1485 FREE( p_box->data.p_stss->i_sample_number )
1488 int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1492 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1494 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1497 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1499 p_box->data.p_stsh->i_shadowed_sample_number =
1500 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1502 p_box->data.p_stsh->i_sync_sample_number =
1503 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1506 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1509 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1510 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1514 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1515 p_box->data.p_stsh->i_entry_count );
1517 MP4_READBOX_EXIT( 1 );
1520 void MP4_FreeBox_stsh( input_thread_t *p_input, MP4_Box_t *p_box )
1522 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1523 FREE( p_box->data.p_stsh->i_sync_sample_number )
1527 int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1531 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1533 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1535 p_box->data.p_stdp->i_priority =
1536 calloc( sizeof( uint16_t ), i_read / 2 );
1538 for( i = 0; i < i_read / 2 ; i++ )
1541 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1545 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1549 MP4_READBOX_EXIT( 1 );
1552 void MP4_FreeBox_stdp( input_thread_t *p_input, MP4_Box_t *p_box )
1554 FREE( p_box->data.p_stdp->i_priority )
1557 int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1561 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1563 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1566 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1568 p_box->data.p_padb->i_reserved1 =
1569 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1570 p_box->data.p_padb->i_pad2 =
1571 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1572 p_box->data.p_padb->i_reserved2 =
1573 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1574 p_box->data.p_padb->i_pad1 =
1575 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1578 for( i = 0; i < i_read / 2 ; i++ )
1580 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1581 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1582 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1583 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1585 p_peek += 1; i_read -= 1;
1589 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1593 MP4_READBOX_EXIT( 1 );
1596 void MP4_FreeBox_padb( input_thread_t *p_input, MP4_Box_t *p_box )
1598 FREE( p_box->data.p_padb->i_reserved1 );
1599 FREE( p_box->data.p_padb->i_pad2 );
1600 FREE( p_box->data.p_padb->i_reserved2 );
1601 FREE( p_box->data.p_padb->i_pad1 );
1604 int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1608 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1610 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1613 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1615 p_box->data.p_elst->i_segment_duration =
1616 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1617 p_box->data.p_elst->i_media_time =
1618 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1619 p_box->data.p_elst->i_media_rate_integer =
1620 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1621 p_box->data.p_elst->i_media_rate_fraction=
1622 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1625 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1627 if( p_box->data.p_elst->i_version == 1 )
1630 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1632 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1637 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1639 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1642 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1643 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1647 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1651 MP4_READBOX_EXIT( 1 );
1654 void MP4_FreeBox_elst( input_thread_t *p_input, MP4_Box_t *p_box )
1656 FREE( p_box->data.p_elst->i_segment_duration );
1657 FREE( p_box->data.p_elst->i_media_time );
1658 FREE( p_box->data.p_elst->i_media_rate_integer );
1659 FREE( p_box->data.p_elst->i_media_rate_fraction );
1662 int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1664 unsigned int i_language;
1667 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1669 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1671 i_language = GetWBE( p_peek );
1672 for( i = 0; i < 3; i++ )
1674 p_box->data.p_cprt->i_language[i] =
1675 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1677 p_peek += 2; i_read -= 2;
1678 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1681 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1682 p_box->data.p_cprt->i_language[0],
1683 p_box->data.p_cprt->i_language[1],
1684 p_box->data.p_cprt->i_language[2],
1685 p_box->data.p_cprt->psz_notice );
1688 MP4_READBOX_EXIT( 1 );
1691 void MP4_FreeBox_cprt( input_thread_t *p_input, MP4_Box_t *p_box )
1693 FREE( p_box->data.p_cprt->psz_notice );
1697 int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1699 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1701 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1703 msg_Dbg( p_stream->p_input,
1704 "Read Box: \"dcom\" compression algorithm : %4.4s",
1705 (char*)&p_box->data.p_dcom->i_algorithm );
1707 MP4_READBOX_EXIT( 1 );
1710 int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1712 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1714 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1716 p_box->data.p_cmvd->i_compressed_size = i_read;
1718 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1720 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1724 /* now copy compressed data */
1725 memcpy( p_box->data.p_cmvd->p_data,
1729 p_box->data.p_cmvd->b_compressed = 1;
1732 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1733 p_box->data.p_cmvd->i_compressed_size );
1736 MP4_READBOX_EXIT( 1 );
1738 void MP4_FreeBox_cmvd( input_thread_t *p_input, MP4_Box_t *p_box )
1740 FREE( p_box->data.p_cmvd->p_data );
1744 int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1746 MP4_Stream_t *p_stream_memory;
1758 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1760 msg_Err( p_stream->p_input, "out of memory" );
1763 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1765 if( !( p_box->p_father )||
1766 ( p_box->p_father->i_type != FOURCC_moov ) )
1768 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1772 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1777 if( !( p_dcom = MP4_FindBox( p_box, FOURCC_dcom ) )||
1778 !( p_cmvd = MP4_FindBox( p_box, FOURCC_cmvd ) )||
1779 !( p_cmvd->data.p_cmvd->p_data ) )
1781 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1785 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1787 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1788 (char*)&p_dcom->data.p_dcom->i_algorithm );
1793 msg_Dbg( p_stream->p_input,
1794 "Read Box: \"cmov\" zlib unsupported" );
1797 /* decompress data */
1798 /* allocate a new buffer */
1799 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1801 msg_Err( p_stream->p_input,
1802 "Read Box: \"cmov\" not enough memory to uncompress data" );
1805 /* init default structures */
1806 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1807 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1808 z_data.next_out = p_data;
1809 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1810 z_data.zalloc = (alloc_func)Z_NULL;
1811 z_data.zfree = (free_func)Z_NULL;
1812 z_data.opaque = (voidpf)Z_NULL;
1815 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1817 msg_Err( p_stream->p_input,
1818 "Read Box: \"cmov\" error while uncompressing data" );
1824 i_result = inflate( &z_data, Z_NO_FLUSH );
1825 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1827 msg_Err( p_stream->p_input,
1828 "Read Box: \"cmov\" error while uncompressing data" );
1833 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1835 msg_Warn( p_stream->p_input,
1836 "Read Box: \"cmov\" uncompressing data size mismatch" );
1838 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1841 i_result = inflateEnd( &z_data );
1842 if( i_result != Z_OK )
1844 msg_Warn( p_stream->p_input,
1845 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1849 free( p_cmvd->data.p_cmvd->p_data );
1850 p_cmvd->data.p_cmvd->p_data = p_data;
1851 p_cmvd->data.p_cmvd->b_compressed = 0;
1853 msg_Dbg( p_stream->p_input,
1854 "Read Box: \"cmov\" box succesfully uncompressed" );
1856 /* now create a memory stream */
1857 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1858 p_cmvd->data.p_cmvd->i_uncompressed_size,
1859 p_cmvd->data.p_cmvd->p_data );
1861 /* and read uncompressd moov */
1862 p_umov = malloc( sizeof( MP4_Box_t ) );
1864 i_result = MP4_ReadBox( p_stream_memory, p_umov, NULL );
1866 p_box->data.p_cmov->p_moov = p_umov;
1867 free( p_stream_memory );
1870 msg_Dbg( p_stream->p_input,
1871 "Read Box: \"cmov\" compressed movie header completed" );
1874 #endif /* HAVE_ZLIB_H */
1877 int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1880 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1882 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1883 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1884 MP4_GET4BYTES( i_len );
1888 p_box->data.p_rdrf->psz_ref = malloc( i_len );
1889 for( i = 0; i < i_len; i++ )
1891 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1893 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1897 p_box->data.p_rdrf->psz_ref = NULL;
1901 msg_Dbg( p_stream->p_input,
1902 "Read Box: \"rdrf\" type:%4.4s ref %s",
1903 (char*)&p_box->data.p_rdrf->i_ref_type,
1904 p_box->data.p_rdrf->psz_ref );
1907 MP4_READBOX_EXIT( 1 );
1909 void MP4_FreeBox_rdrf( input_thread_t *p_input, MP4_Box_t *p_box )
1911 FREE( p_box->data.p_rdrf->psz_ref )
1915 int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1917 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1919 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1921 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1924 msg_Dbg( p_stream->p_input,
1925 "Read Box: \"rmdr\" rate:%d",
1926 p_box->data.p_rmdr->i_rate );
1928 MP4_READBOX_EXIT( 1 );
1931 int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1933 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1935 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1938 msg_Dbg( p_stream->p_input,
1939 "Read Box: \"rmqu\" quality:%d",
1940 p_box->data.p_rmqu->i_quality );
1942 MP4_READBOX_EXIT( 1 );
1945 int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1947 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1948 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1950 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1951 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1952 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1953 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1956 msg_Dbg( p_stream->p_input,
1957 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1958 (char*)&p_box->data.p_rmvc->i_gestaltType,
1959 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1960 p_box->data.p_rmvc->i_checkType );
1963 MP4_READBOX_EXIT( 1 );
1966 /**** ------------------------------------------------------------------- ****/
1967 /**** "Higher level" Functions ****/
1968 /**** ------------------------------------------------------------------- ****/
1973 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
1974 void (*MP4_FreeBox_function )( input_thread_t *p_input, MP4_Box_t *p_box );
1975 } MP4_Box_Function [] =
1978 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1979 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1980 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1981 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1982 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1983 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1984 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1985 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1986 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1987 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1988 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1989 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1990 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1993 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
1994 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
1995 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
1996 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
1997 { FOURCC_tref, MP4_ReadBox_tref, MP4_FreeBox_Common },
1998 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
1999 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2000 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2001 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2002 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2003 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2004 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2005 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2006 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2007 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2008 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2009 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2010 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2011 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2012 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2013 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2014 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2015 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2016 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2017 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2018 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2019 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2020 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2021 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2023 /* Nothing to do with this box */
2024 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2025 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2026 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2027 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2030 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2031 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2032 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2033 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2035 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2036 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2037 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2038 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2039 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2040 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2041 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2042 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2043 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2044 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2045 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2046 { FOURCC_mjht, NULL, NULL },
2048 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2050 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2052 /* XXX there is 2 box where we could find this entry stbl and tref*/
2053 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2055 /* found in tref box */
2056 { FOURCC_dpnd, NULL, NULL },
2057 { FOURCC_ipir, NULL, NULL },
2058 { FOURCC_mpod, NULL, NULL },
2061 { FOURCC_rtp, NULL, NULL },
2064 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2065 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2066 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2067 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2075 /*****************************************************************************
2076 * MP4_ReadBox : parse the actual box and the children
2077 * XXX : Do not go to the next box
2078 *****************************************************************************/
2079 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father )
2082 unsigned int i_index;
2084 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2086 msg_Warn( p_stream->p_input, "Cannot read one box" );
2089 if( !p_box->i_size )
2091 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2094 p_box->p_father = p_father;
2096 /* Now search function to call */
2097 for( i_index = 0; ; i_index++ )
2099 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2100 ( MP4_Box_Function[i_index].i_type == 0 ) )
2105 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2107 msg_Warn( p_stream->p_input,
2108 "Unknown box type %4.4s (uncompletetly loaded)",
2109 (char*)&p_box->i_type );
2115 (MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box );
2118 if( !MP4_GotoBox( p_stream, p_box ) )
2125 /*****************************************************************************
2126 * MP4_CountBox: given a box, count how many child have the requested type
2127 * FIXME : support GUUID
2128 *****************************************************************************/
2129 int MP4_CountBox( MP4_Box_t *p_box, uint32_t i_type )
2131 unsigned int i_count;
2140 p_child = p_box->p_first;
2143 if( p_child->i_type == i_type )
2147 p_child = p_child->p_next;
2154 /*****************************************************************************
2155 * MP4_FindBox: find first box with i_type child of p_box
2156 * return NULL if not found
2157 *****************************************************************************/
2159 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, uint32_t i_type )
2168 p_child = p_box->p_first;
2171 if( p_child->i_type == i_type )
2175 p_child = p_child->p_next;
2183 /*****************************************************************************
2184 * MP4_FindNextBox: find next box with thesame type and at the same level
2186 *****************************************************************************/
2187 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box )
2196 p_next = p_box->p_next;
2199 if( p_next->i_type == p_box->i_type )
2203 p_next = p_next->p_next;
2207 /*****************************************************************************
2208 * MP4_FindNbBox: find the box i_number
2209 *****************************************************************************/
2210 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, uint32_t i_number )
2212 MP4_Box_t *p_child = p_box->p_first;
2221 if( !( p_child = p_child->p_next ) )
2231 /*****************************************************************************
2232 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2234 *****************************************************************************/
2235 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2237 unsigned int i_index;
2246 p_child = p_box->p_first;
2249 p_next = p_child->p_next;
2250 MP4_BoxFree( p_input, p_child );
2251 /* MP4_FreeBoxChildren have free all data expect p_child itself */
2256 /* Now search function to call */
2257 if( p_box->data.p_data )
2259 for( i_index = 0; ; i_index++ )
2261 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2262 ( MP4_Box_Function[i_index].i_type == 0 ) )
2267 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2269 /* Should not happen */
2271 "cannot free box %4.4s, type unknown",
2272 (char*)&p_box->i_type );
2276 MP4_Box_Function[i_index].MP4_FreeBox_function( p_input, p_box );
2279 free( p_box->data.p_data );
2280 p_box->data.p_data = NULL;
2283 p_box->p_first = NULL;
2284 p_box->p_last = NULL;
2288 /*****************************************************************************
2289 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2290 *****************************************************************************
2291 * The first box is a virtual box "root" and is the father for all first
2292 * level boxes for the file, a sort of virtual contener
2293 *****************************************************************************/
2294 int MP4_BoxGetRoot( input_thread_t *p_input, MP4_Box_t *p_root )
2296 MP4_Stream_t *p_stream;
2299 MP4_SeekAbsolute( p_input, 0 ); /* Go to the begining */
2301 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2302 p_root->i_shortsize = 1;
2303 p_root->i_size = p_input->stream.p_selected_area->i_size;
2304 CreateUUID( &p_root->i_uuid, p_root->i_type );
2306 p_root->data.p_data = NULL;
2307 p_root->p_father = NULL;
2308 p_root->p_first = NULL;
2309 p_root->p_last = NULL;
2310 p_root->p_next = NULL;
2312 p_stream = MP4_InputStream( p_input );
2314 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2324 /* check if there is a cmov, if so replace
2325 compressed moov by uncompressed one */
2326 if( ( p_moov = MP4_FindBox( p_root, FOURCC_moov ) )&&
2327 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) )
2329 /* rename the compressed moov as a box to skip */
2330 p_moov->i_type = FOURCC_skip;
2332 /* get uncompressed p_moov */
2333 p_moov = p_cmov->data.p_cmov->p_moov;
2334 p_cmov->data.p_cmov->p_moov = NULL;
2336 /* make p_root father of this new moov */
2337 p_moov->p_father = p_root;
2339 /* insert this new moov box as first child of p_root */
2340 p_moov->p_next = p_child = p_root->p_first;
2341 p_root->p_first = p_moov;
2348 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2349 MP4_Box_t *p_box, unsigned int i_level )
2355 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2356 (char*)&p_box->i_type );
2362 memset( str, (uint8_t)' ', 512 );
2363 for( i = 0; i < i_level; i++ )
2367 sprintf( str + i_level * 5, "+ %4.4s size %d",
2368 (char*)&p_box->i_type,
2369 (uint32_t)p_box->i_size );
2371 msg_Dbg( p_input, "%s", str );
2373 p_child = p_box->p_first;
2376 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2377 p_child = p_child->p_next;
2381 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2383 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2388 /*****************************************************************************
2389 *****************************************************************************
2391 ** High level methods to acces an MP4 file
2393 *****************************************************************************
2394 *****************************************************************************/
2395 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2398 if( !*ppsz_path[0] )
2405 while( (*ppsz_path)[i_len] &&
2406 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2410 if( !i_len && **ppsz_path == '/' )
2414 *ppsz_token = malloc( i_len + 1 );
2416 memcpy( *ppsz_token, *ppsz_path, i_len );
2418 (*ppsz_token)[i_len] = '\0';
2420 *ppsz_path += i_len;
2422 if( **ppsz_path == '[' )
2425 *pi_number = strtol( *ppsz_path, NULL, 10 );
2426 while( **ppsz_path && **ppsz_path != ']' )
2430 if( **ppsz_path == ']' )
2439 while( **ppsz_path == '/' )
2445 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2446 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2449 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN)
2459 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN)
2460 vasprintf( &psz_path, psz_fmt, args );
2462 i_size = strlen( psz_fmt ) + 1024;
2463 psz_path = calloc( i_size, sizeof( char ) );
2464 vsnprintf( psz_path, i_size, psz_fmt, args );
2465 psz_path[i_size - 1] = 0;
2468 if( !psz_path || !psz_path[0] )
2475 // fprintf( stderr, "path:'%s'\n", psz_path );
2476 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2482 __get_token( &psz_path, &psz_token, &i_number );
2483 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2484 // psz_path,psz_token,i_number );
2493 if( !strcmp( psz_token, "/" ) )
2496 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2498 p_box = p_box->p_father;
2509 if( !strcmp( psz_token, "." ) )
2514 if( !strcmp( psz_token, ".." ) )
2516 p_box = p_box->p_father;
2526 if( strlen( psz_token ) == 4 )
2529 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2530 psz_token[2], psz_token[3] );
2531 p_box = p_box->p_first;
2541 if( p_box->i_type == i_fourcc )
2549 p_box = p_box->p_next;
2553 if( strlen( psz_token ) == 0 )
2555 p_box = p_box->p_first;
2570 p_box = p_box->p_next;
2575 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2586 /*****************************************************************************
2587 * MP4_BoxGet: find a box given a path relative to p_box
2588 *****************************************************************************
2589 * Path Format: . .. / as usual
2590 * [number] to specifie box number ex: trak[12]
2592 * ex: /moov/trak[12]
2594 *****************************************************************************/
2595 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2598 MP4_Box_t *p_result;
2600 va_start( args, psz_fmt );
2601 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2607 /*****************************************************************************
2608 * MP4_BoxCount: count box given a path relative to p_box
2609 *****************************************************************************
2610 * Path Format: . .. / as usual
2611 * [number] to specifie box number ex: trak[12]
2613 * ex: /moov/trak[12]
2615 *****************************************************************************/
2616 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2620 MP4_Box_t *p_result, *p_next;
2622 va_start( args, psz_fmt );
2623 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2631 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2633 if( p_next->i_type == p_result->i_type)