1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.4 2002/07/23 00:39:17 sam 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() */
23 #include <string.h> /* strdup() */
25 #include <sys/types.h>
28 #include <vlc/input.h>
30 #include <zlib.h> /* for compressed moov */
33 /*****************************************************************************
34 * Here are defined some macro to make life simpler but before using it
37 * XXX: All macro are written in capital letters
39 *****************************************************************************/
40 #define MP4_BOX_HEADERSIZE( p_box ) \
41 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
42 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
44 #define MP4_BOX_DESCEND( p_box ) \
45 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) );
47 #define MP4_GET1BYTE( dst ) \
48 dst = *p_peek; p_peek++; i_read--
50 #define MP4_GET2BYTES( dst ) \
51 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
53 #define MP4_GET3BYTES( dst ) \
54 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
56 #define MP4_GET4BYTES( dst ) \
57 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
59 #define MP4_GETFOURCC( dst ) \
60 dst = GetDWLE( p_peek ); p_peek += 4; i_read -= 4
62 #define MP4_GET8BYTES( dst ) \
63 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
65 #define MP4_GETVERSIONFLAGS( p_void ) \
66 MP4_GET1BYTE( p_void->i_version ); \
67 MP4_GET3BYTES( p_void->i_flags )
69 #define MP4_GETSTRINGZ( p_str ) \
70 if( ( i_read > 0 )&&(p_peek[0] ) ) \
72 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
73 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
74 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
75 p_peek += strlen( p_str ) + 1; \
76 i_read -= strlen( p_str ) + 1; \
84 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
85 s64 i_read = p_box->i_size; \
86 u8 *p_peek, *p_buff; \
87 i_read = p_box->i_size; \
88 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
92 if( !MP4_ReadStream( p_stream, p_peek, i_read ) )\
97 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
98 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
99 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
106 #define MP4_READBOX_EXIT( i_code ) \
111 msg_Warn( p_stream->p_input, "Not enougth data" ); \
116 if( p ) {free( p ); p = NULL; }
121 * The input method HAVE to be seekable
125 /* Some functions to manipulate memory */
126 static u16 GetWLE( u8 *p_buff )
128 return( (p_buff[0]) + ( p_buff[1] <<8 ) );
131 static u32 GetDWLE( u8 *p_buff )
133 return( p_buff[0] + ( p_buff[1] <<8 ) +
134 ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
137 static u16 GetWBE( u8 *p_buff )
139 return( (p_buff[0]<<8) + p_buff[1] );
142 static u32 Get24bBE( u8 *p_buff )
144 return( ( p_buff[0] <<16 ) + ( p_buff[1] <<8 ) + p_buff[2] );
148 static u32 GetDWBE( u8 *p_buff )
150 return( (p_buff[0] << 24) + ( p_buff[1] <<16 ) +
151 ( p_buff[2] <<8 ) + p_buff[3] );
154 static u64 GetQWBE( u8 *p_buff )
156 return( ( (u64)GetDWBE( p_buff ) << 32 )|( (u64)GetDWBE( p_buff + 4 ) ) );
160 static void GetUUID( UUID_t *p_uuid, u8 *p_buff )
167 static void CreateUUID( UUID_t *p_uuid, u32 i_fourcc )
169 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
170 where XXXXXXXX is the fourcc */
171 /* FIXME implement this */
174 /* some functions for mp4 encoding of variables */
176 void MP4_ConvertDate2Str( char *psz, u64 i_date )
183 i_day = i_date / ( 60*60*24);
184 i_hour = ( i_date /( 60*60 ) ) % 60;
185 i_min = ( i_date / 60 ) % 60;
187 /* FIXME do it correctly, date begin at 1 jan 1904 */
188 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
189 i_day, i_hour, i_min, i_sec );
194 /*****************************************************************************
195 * Some basic functions to manipulate stream more easily in vlc
197 * MP4_TellAbsolute get file position
199 * MP4_SeekAbsolute seek in the file
201 * MP4_ReadData read data from the file in a buffer
203 *****************************************************************************/
204 off_t MP4_TellAbsolute( input_thread_t *p_input )
208 vlc_mutex_lock( &p_input->stream.stream_lock );
210 i_pos= p_input->stream.p_selected_area->i_tell -
211 ( p_input->p_last_data - p_input->p_current_data );
213 vlc_mutex_unlock( &p_input->stream.stream_lock );
218 int MP4_SeekAbsolute( input_thread_t *p_input,
223 if( i_pos >= p_input->stream.p_selected_area->i_size )
228 i_filepos = MP4_TellAbsolute( p_input );
229 if( i_pos != i_filepos )
231 p_input->pf_seek( p_input, i_pos );
232 input_AccessReinit( p_input );
237 /* return 1 if success, 0 if fail */
238 int MP4_ReadData( input_thread_t *p_input, u8 *p_buff, int i_size )
240 data_packet_t *p_data;
252 i_read = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
257 memcpy( p_buff, p_data->p_payload_start, i_read );
258 input_DeletePacket( p_input->p_method_data, p_data );
268 /*****************************************************************************
269 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
270 * in the way that you can read from a memory buffer or from an input
272 *****************************************************************************/
274 /**** ------- First some function to make abstract from input -------- */
276 /****************************************************************************
277 * MP4_InputStream create an stram with an input
279 ****************************************************************************/
280 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
282 MP4_Stream_t *p_stream;
284 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
288 p_stream->b_memory = 0;
289 p_stream->p_input = p_input;
290 p_stream->i_start = 0;
291 p_stream->i_stop = 0;
292 p_stream->p_buffer = NULL;
297 /****************************************************************************
298 * MP4_MemoryStream create a memory stream
299 * if p_buffer == NULL, will allocate a buffer of i_size, else
300 * it uses p_buffer XXX you have to unallocate it yourself !
302 ****************************************************************************/
303 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
304 int i_size, u8 *p_buffer )
306 MP4_Stream_t *p_stream;
308 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
312 p_stream->b_memory = 1;
313 p_stream->p_input = p_input;
314 p_stream->i_start = 0;
315 p_stream->i_stop = i_size;
316 if( !p_stream->p_buffer )
318 if( !( p_stream->p_buffer = malloc( i_size ) ) )
326 p_stream->p_buffer = p_buffer;
331 /****************************************************************************
332 * MP4_ReadStream read from a MP4_Stream_t
334 ****************************************************************************/
335 int MP4_ReadStream( MP4_Stream_t *p_stream, u8 *p_buff, int i_size )
337 if( p_stream->b_memory )
339 if( i_size > p_stream->i_stop - p_stream->i_start )
344 p_stream->p_buffer + p_stream->i_start,
346 p_stream->i_start += i_size;
351 return( MP4_ReadData( p_stream->p_input, p_buff, i_size ) );
355 /****************************************************************************
356 * MP4_PeekStream peek from a MP4_Stream_t
358 ****************************************************************************/
359 int MP4_PeekStream( MP4_Stream_t *p_stream, u8 **pp_peek, int i_size )
361 if( p_stream->b_memory )
363 *pp_peek = p_stream->p_buffer + p_stream->i_start;
365 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
369 return( input_Peek( p_stream->p_input, pp_peek, i_size ) );
373 /****************************************************************************
374 * MP4_TellStream give absolute position in the stream
375 * XXX for a memory stream give position from begining of the buffer
376 ****************************************************************************/
377 off_t MP4_TellStream( MP4_Stream_t *p_stream )
379 if( p_stream->b_memory )
381 return( p_stream->i_start );
385 return( MP4_TellAbsolute( p_stream->p_input ) );
389 /****************************************************************************
390 * MP4_SeekStream seek in a MP4_Stream_t
392 ****************************************************************************/
393 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
395 if( p_stream->b_memory )
397 if( i_pos < p_stream->i_stop )
399 p_stream->i_start = i_pos;
409 return( MP4_SeekAbsolute( p_stream->p_input, i_pos ) );
415 /*****************************************************************************
416 * MP4_ReadBoxCommon : Load only common parameters for all boxes
417 *****************************************************************************
418 * p_box need to be an already allocated MP4_Box_t, and all data
419 * will only be peek not read
421 * RETURN : 0 if it fail, 1 otherwise
422 *****************************************************************************/
423 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
428 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
432 p_box->i_pos = MP4_TellStream( p_stream );
434 p_box->data.p_data = NULL;
435 p_box->p_father = NULL;
436 p_box->p_first = NULL;
437 p_box->p_last = NULL;
438 p_box->p_next = NULL;
440 MP4_GET4BYTES( p_box->i_shortsize );
441 MP4_GETFOURCC( p_box->i_type );
443 /* Now special case */
445 if( p_box->i_shortsize == 1 )
447 /* get the true size on 64 bits */
448 MP4_GET8BYTES( p_box->i_size );
452 p_box->i_size = p_box->i_shortsize;
453 /* XXX size of 0 means that the box extends to end of file */
456 if( p_box->i_type == FOURCC_uuid )
458 /* get extented type on 16 bytes */
459 GetUUID( &p_box->i_uuid, p_peek );
460 p_peek += 16; i_read -= 16;
464 CreateUUID( &p_box->i_uuid, p_box->i_type );
467 /* FIXME how to write u64 ??? */
470 msg_Dbg( p_stream->p_input, "Found Box: %c%c%c%c size %d",
471 (p_box->i_type)&0xff, (p_box->i_type>>8)&0xff,
472 (p_box->i_type>>16)&0xff, (p_box->i_type>>24)&0xff,
473 (u32)p_box->i_size );
481 /*****************************************************************************
482 * MP4_MP4_NextBox : Go to the next box
483 *****************************************************************************
484 * if p_box == NULL, go to the next box in witch we are( at the begining ).
485 *****************************************************************************/
486 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
492 MP4_ReadBoxCommon( p_stream, &box );
498 return( 2 ); /* Box with infinite size */
501 if( p_box->p_father )
503 /* check if it's within p-father */
504 if( p_box->i_size + p_box->i_pos >=
505 p_box->p_father->i_size + p_box->p_father->i_pos )
507 return( 0 ); /* out of bound */
510 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) );
512 /*****************************************************************************
513 * MP4_MP4_GotoBox : Go to this particular box
514 *****************************************************************************
515 * RETURN : 0 if it fail, 1 otherwise
516 *****************************************************************************/
517 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
519 return( MP4_SeekStream( p_stream, p_box->i_pos ) );
523 /*****************************************************************************
524 * For all known box a loader is given,
525 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
526 * after called one of theses functions, file position is unknown
527 * you need to call MP4_GotoBox to go where you want
528 *****************************************************************************/
529 int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
533 if( MP4_TellStream( p_stream ) + 8 >
534 p_container->i_pos + p_container->i_size )
536 /* there is no box to load */
542 p_box = malloc( sizeof( MP4_Box_t ) );
544 if( MP4_ReadBox( p_stream, p_box , p_container ) )
546 /* chain this box with the father and the other at same level */
547 if( !p_container->p_first )
549 p_container->p_first = p_box;
553 p_container->p_last->p_next = p_box;
555 p_container->p_last = p_box;
564 }while( MP4_NextBox( p_stream, p_box ) == 1 );
570 int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
573 if( p_container->i_size <= MP4_BOX_HEADERSIZE(p_container ) + 8 )
575 /* container is empty, 8 stand for the first header in this box */
580 MP4_BOX_DESCEND( p_container );
582 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
585 void MP4_FreeBox_Common( input_thread_t *p_input, MP4_Box_t *p_box )
587 /* Up to now do nothing */
590 int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
594 msg_Dbg( p_stream->p_input, "Skip box: \"%c%c%c%c\"",
595 (p_box->i_type)&0xff,
596 (p_box->i_type>>8)&0xff,
597 (p_box->i_type>>16)&0xff,
598 (p_box->i_type>>24)&0xff );
603 int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
605 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
607 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
608 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
610 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
613 p_box->data.p_ftyp->i_compatible_brands =
614 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(u32));
616 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
618 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
623 p_box->data.p_ftyp->i_compatible_brands = NULL;
626 MP4_READBOX_EXIT( 1 );
629 void MP4_FreeBox_ftyp( input_thread_t *p_input, MP4_Box_t *p_box )
631 FREE( p_box->data.p_ftyp->i_compatible_brands );
635 int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
639 char s_creation_time[128];
640 char s_modification_time[128];
641 char s_duration[128];
643 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
645 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
647 if( p_box->data.p_mvhd->i_version )
649 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
650 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
651 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
652 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
656 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
657 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
658 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
659 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
661 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
662 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
663 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
666 for( i = 0; i < 2; i++ )
668 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
670 for( i = 0; i < 9; i++ )
672 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
674 for( i = 0; i < 6; i++ )
676 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
679 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
683 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
684 MP4_ConvertDate2Str( s_modification_time,
685 p_box->data.p_mvhd->i_modification_time );
686 if( p_box->data.p_mvhd->i_rate )
688 MP4_ConvertDate2Str( s_duration,
689 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
695 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",
698 (u32)p_box->data.p_mvhd->i_timescale,
700 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
701 (float)p_box->data.p_mvhd->i_volume / 256 ,
702 (u32)p_box->data.p_mvhd->i_next_track_id );
704 MP4_READBOX_EXIT( 1 );
707 int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
711 char s_creation_time[128];
712 char s_modification_time[128];
713 char s_duration[128];
715 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
717 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
719 if( p_box->data.p_tkhd->i_version )
721 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
722 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
723 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
724 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
725 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
729 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
730 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
731 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
732 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
733 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
736 for( i = 0; i < 2; i++ )
738 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
740 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
741 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
742 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
743 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
745 for( i = 0; i < 9; i++ )
747 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
749 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
750 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
753 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
754 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
755 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
757 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",
761 p_box->data.p_tkhd->i_track_ID,
762 p_box->data.p_tkhd->i_layer,
763 (float)p_box->data.p_tkhd->i_volume / 256 ,
764 (float)p_box->data.p_tkhd->i_width / 65536,
765 (float)p_box->data.p_tkhd->i_height / 65536 );
767 MP4_READBOX_EXIT( 1 );
770 int MP4_ReadBox_tref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
773 if( p_box->i_size < MP4_BOX_HEADERSIZE(p_box ) + 8 )
775 /* container is empty, 8 stand for the first header in this box */
779 if( !MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) ) )
784 MP4_ReadBoxContainerRaw( p_stream, p_box );
787 msg_Dbg( p_stream->p_input, "Read Box: \"tref\" " );
795 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 (u32)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 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 %c%c%c%c name %s",
862 ( p_box->data.p_hdlr->i_handler_type )&0xff,
863 ( p_box->data.p_hdlr->i_handler_type >> 8 )&0xff,
864 ( p_box->data.p_hdlr->i_handler_type >> 16 )&0xff,
865 ( p_box->data.p_hdlr->i_handler_type >> 24 )&0xff,
866 p_box->data.p_hdlr->psz_name );
869 MP4_READBOX_EXIT( 1 );
872 void MP4_FreeBox_hdlr( input_thread_t *p_input, MP4_Box_t *p_box )
874 FREE( p_box->data.p_hdlr->psz_name );
877 int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
881 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
883 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
885 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
886 for( i = 0; i < 3; i++ )
888 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
892 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
893 p_box->data.p_vmhd->i_graphics_mode,
894 p_box->data.p_vmhd->i_opcolor[0],
895 p_box->data.p_vmhd->i_opcolor[1],
896 p_box->data.p_vmhd->i_opcolor[2] );
899 MP4_READBOX_EXIT( 1 );
902 int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
904 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
906 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
910 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
912 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
915 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
916 (float)p_box->data.p_smhd->i_balance / 256 );
919 MP4_READBOX_EXIT( 1 );
923 int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
925 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
927 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
929 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
930 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
932 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
933 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
935 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
938 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
939 p_box->data.p_hmhd->i_max_PDU_size,
940 p_box->data.p_hmhd->i_avg_PDU_size,
941 p_box->data.p_hmhd->i_max_bitrate,
942 p_box->data.p_hmhd->i_avg_bitrate );
945 MP4_READBOX_EXIT( 1 );
948 int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
950 MP4_READBOX_ENTER( MP4_Box_data_url_t );
952 MP4_GETVERSIONFLAGS( p_box->data.p_url );
953 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
956 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
957 p_box->data.p_url->psz_location );
960 MP4_READBOX_EXIT( 1 );
964 void MP4_FreeBox_url( input_thread_t *p_input, MP4_Box_t *p_box )
966 FREE( p_box->data.p_url->psz_location )
969 int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
971 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
973 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
975 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
976 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
979 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
980 p_box->data.p_urn->psz_name,
981 p_box->data.p_urn->psz_location );
983 MP4_READBOX_EXIT( 1 );
985 void MP4_FreeBox_urn( input_thread_t *p_input, MP4_Box_t *p_box )
987 FREE( p_box->data.p_urn->psz_name );
988 FREE( p_box->data.p_urn->psz_location );
992 int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
994 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
996 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
998 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1000 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1001 MP4_ReadBoxContainerRaw( p_stream, p_box );
1004 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
1005 p_box->data.p_dref->i_entry_count );
1008 MP4_READBOX_EXIT( 1 );
1012 int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1015 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1017 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1018 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1020 p_box->data.p_stts->i_sample_count =
1021 calloc( sizeof( u32 ), p_box->data.p_stts->i_entry_count );
1022 p_box->data.p_stts->i_sample_delta =
1023 calloc( sizeof( u32 ), p_box->data.p_stts->i_entry_count );
1025 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1027 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1028 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1033 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
1034 p_box->data.p_stts->i_entry_count );
1037 MP4_READBOX_EXIT( 1 );
1040 void MP4_FreeBox_stts( input_thread_t *p_input, MP4_Box_t *p_box )
1042 FREE( p_box->data.p_stts->i_sample_count );
1043 FREE( p_box->data.p_stts->i_sample_delta );
1047 int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1050 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1052 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1054 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1056 p_box->data.p_ctts->i_sample_count =
1057 calloc( sizeof( u32 ), p_box->data.p_ctts->i_entry_count );
1058 p_box->data.p_ctts->i_sample_offset =
1059 calloc( sizeof( u32 ), p_box->data.p_ctts->i_entry_count );
1061 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1063 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1064 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1069 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
1070 p_box->data.p_ctts->i_entry_count );
1073 MP4_READBOX_EXIT( 1 );
1076 void MP4_FreeBox_ctts( input_thread_t *p_input, MP4_Box_t *p_box )
1078 FREE( p_box->data.p_ctts->i_sample_count );
1079 FREE( p_box->data.p_ctts->i_sample_offset );
1082 static int MP4_ReadLengthDescriptor( u8 **pp_peek, s64 *i_read )
1092 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1093 } while( i_b&0x80 );
1097 int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1099 #define es_descriptor p_box->data.p_esds->es_descriptor
1104 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1106 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1109 MP4_GET1BYTE( i_type );
1110 if( i_type == 0x03 ) /* MP4ESDescrTag */
1112 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1114 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1115 MP4_GET1BYTE( i_flags );
1116 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1117 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1118 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1120 es_descriptor.i_stream_priority = i_flags&0x1f;
1121 if( es_descriptor.b_stream_dependence )
1123 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1125 if( es_descriptor.b_url )
1129 MP4_GET1BYTE( i_len );
1130 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1131 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1132 es_descriptor.psz_URL[i_len] = 0;
1138 es_descriptor.psz_URL = NULL;
1140 if( es_descriptor.b_OCRstream )
1142 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1144 MP4_GET1BYTE( i_type ); /* get next type */
1147 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1149 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1152 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1153 es_descriptor.p_decConfigDescr =
1154 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1156 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1157 MP4_GET1BYTE( i_flags );
1158 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1159 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1160 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1161 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1162 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1163 MP4_GET1BYTE( i_type );
1164 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1166 MP4_READBOX_EXIT( 1 );
1169 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1170 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1171 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1172 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1175 MP4_READBOX_EXIT( 1 );
1177 #undef es_descriptor
1180 void MP4_FreeBox_esds( input_thread_t *p_input, MP4_Box_t *p_box )
1182 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1183 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1186 int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1190 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1192 for( i = 0; i < 6 ; i++ )
1194 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1197 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1199 for( i = 0; i < 2 ; i++ )
1201 MP4_GET4BYTES( p_box->data.p_sample_soun->i_reserved2[i] );
1204 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1205 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1206 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1207 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1208 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1209 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1212 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1213 p_box->data.p_sample_soun->i_channelcount,
1214 p_box->data.p_sample_soun->i_samplesize,
1215 (float)p_box->data.p_sample_soun->i_sampleratehi +
1216 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1219 MP4_READBOX_EXIT( 1 );
1222 int MP4_ReadBox_sample_mp4a( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1226 MP4_READBOX_ENTER( MP4_Box_data_sample_mp4a_t );
1228 for( i = 0; i < 6 ; i++ )
1230 MP4_GET1BYTE( p_box->data.p_sample_mp4a->i_reserved1[i] );
1233 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_data_reference_index );
1235 for( i = 0; i < 2 ; i++ )
1237 MP4_GET4BYTES( p_box->data.p_sample_mp4a->i_reserved2[i] );
1240 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_channelcount );
1241 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_samplesize );
1242 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_predefined );
1243 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_reserved3 );
1244 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_sampleratehi );
1245 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_sampleratelo );
1247 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1248 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1251 msg_Dbg( p_stream->p_input, "Read Box: \"mp4a\" in stsd channel %d sample size %d sampl rate %f",
1252 p_box->data.p_sample_mp4a->i_channelcount,
1253 p_box->data.p_sample_mp4a->i_samplesize,
1254 (float)p_box->data.p_sample_mp4a->i_sampleratehi +
1255 (float)p_box->data.p_sample_mp4a->i_sampleratelo / 65536 );
1258 MP4_READBOX_EXIT( 1 );
1261 int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1265 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1267 for( i = 0; i < 6 ; i++ )
1269 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1272 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1274 MP4_GET2BYTES( p_box->data.p_sample_vide->i_predefined1 );
1275 MP4_GET2BYTES( p_box->data.p_sample_vide->i_reserved2 );
1277 for( i = 0; i < 3 ; i++ )
1279 MP4_GET4BYTES( p_box->data.p_sample_vide->i_predefined2[i] );
1282 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1283 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1285 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1286 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1288 MP4_GET4BYTES( p_box->data.p_sample_vide->i_reserved3 );
1289 MP4_GET2BYTES( p_box->data.p_sample_vide->i_predefined3 );
1291 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1292 p_peek += 32; i_read -= 32;
1294 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1295 MP4_GET2BYTES( p_box->data.p_sample_vide->i_predefined4 );
1297 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1298 MP4_ReadBoxContainerRaw( p_stream, p_box );
1301 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1302 p_box->data.p_sample_vide->i_width,
1303 p_box->data.p_sample_vide->i_height,
1304 p_box->data.p_sample_vide->i_depth );
1307 MP4_READBOX_EXIT( 1 );
1311 int MP4_ReadBox_sample_mp4v( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1315 MP4_READBOX_ENTER( MP4_Box_data_sample_mp4v_t );
1317 for( i = 0; i < 6 ; i++ )
1319 MP4_GET1BYTE( p_box->data.p_sample_mp4v->i_reserved1[i] );
1322 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_data_reference_index );
1324 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_predefined1 );
1325 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_reserved2 );
1327 for( i = 0; i < 3 ; i++ )
1329 MP4_GET4BYTES( p_box->data.p_sample_mp4v->i_predefined2[i] );
1332 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_width );
1333 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_height );
1335 MP4_GET4BYTES( p_box->data.p_sample_mp4v->i_horizresolution );
1336 MP4_GET4BYTES( p_box->data.p_sample_mp4v->i_vertresolution );
1338 MP4_GET4BYTES( p_box->data.p_sample_mp4v->i_reserved3 );
1339 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_predefined3 );
1341 /* This is a pascal string, padded to 32 bytes */
1342 memcpy( &p_box->data.p_sample_mp4v->i_compressorname, p_peek+1, 31 );
1343 p_box->data.p_sample_mp4v->i_compressorname[*p_peek] = 0;
1344 p_peek += 32; i_read -= 32;
1346 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_depth );
1347 MP4_GET2BYTES( p_box->data.p_sample_mp4v->i_predefined4 );
1350 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1351 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1354 msg_Dbg( p_stream->p_input, "Read Box: \"mp4v\" in stsd %dx%d depth %d compressor %s",
1355 p_box->data.p_sample_mp4v->i_width,
1356 p_box->data.p_sample_mp4v->i_height,
1357 p_box->data.p_sample_mp4v->i_depth,
1358 p_box->data.p_sample_mp4v->i_compressorname );
1360 MP4_READBOX_EXIT( 1 );
1365 int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1368 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1370 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1372 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1374 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1376 MP4_ReadBoxContainerRaw( p_stream, p_box );
1379 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1380 p_box->data.p_stsd->i_entry_count );
1383 MP4_READBOX_EXIT( 1 );
1387 int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1391 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1393 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1395 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1397 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1399 p_box->data.p_stsz->i_entry_size =
1400 calloc( sizeof( u32 ), p_box->data.p_stsz->i_sample_count );
1402 if( !p_box->data.p_stsz->i_sample_size )
1404 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1406 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1412 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1413 p_box->data.p_stsz->i_sample_size,
1414 p_box->data.p_stsz->i_sample_count );
1417 MP4_READBOX_EXIT( 1 );
1420 void MP4_FreeBox_stsz( input_thread_t *p_input, MP4_Box_t *p_box )
1422 FREE( p_box->data.p_stsz->i_entry_size );
1425 int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1429 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1431 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1433 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1435 p_box->data.p_stsc->i_first_chunk =
1436 calloc( sizeof( u32 ), p_box->data.p_stsc->i_entry_count );
1437 p_box->data.p_stsc->i_samples_per_chunk =
1438 calloc( sizeof( u32 ), p_box->data.p_stsc->i_entry_count );
1439 p_box->data.p_stsc->i_sample_description_index =
1440 calloc( sizeof( u32 ), p_box->data.p_stsc->i_entry_count );
1442 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1444 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1445 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1446 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1451 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1452 p_box->data.p_stsc->i_entry_count );
1455 MP4_READBOX_EXIT( 1 );
1458 void MP4_FreeBox_stsc( input_thread_t *p_input, MP4_Box_t *p_box )
1460 FREE( p_box->data.p_stsc->i_first_chunk );
1461 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1462 FREE( p_box->data.p_stsc->i_sample_description_index );
1465 int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1469 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1471 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1473 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1475 p_box->data.p_co64->i_chunk_offset =
1476 calloc( sizeof( u64 ), p_box->data.p_co64->i_entry_count );
1478 for( i = 0; (i < p_box->data.p_co64->i_entry_count )&&( i_read >= 8 ); i++ )
1480 if( p_box->i_type == FOURCC_stco )
1482 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1486 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1492 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1493 p_box->data.p_co64->i_entry_count );
1496 MP4_READBOX_EXIT( 1 );
1499 void MP4_FreeBox_stco_co64( input_thread_t *p_input, MP4_Box_t *p_box )
1501 FREE( p_box->data.p_co64->i_chunk_offset );
1504 int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1508 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1510 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1512 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1514 p_box->data.p_stss->i_sample_number =
1515 calloc( sizeof( u32 ), p_box->data.p_stss->i_entry_count );
1517 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1520 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1525 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1526 p_box->data.p_stss->i_entry_count );
1529 MP4_READBOX_EXIT( 1 );
1532 void MP4_FreeBox_stss( input_thread_t *p_input, MP4_Box_t *p_box )
1534 FREE( p_box->data.p_stss->i_sample_number )
1537 int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1541 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1543 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1546 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1548 p_box->data.p_stsh->i_shadowed_sample_number =
1549 calloc( sizeof( u32 ), p_box->data.p_stsh->i_entry_count );
1551 p_box->data.p_stsh->i_sync_sample_number =
1552 calloc( sizeof( u32 ), p_box->data.p_stsh->i_entry_count );
1555 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1558 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1559 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1564 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1565 p_box->data.p_stsh->i_entry_count );
1567 MP4_READBOX_EXIT( 1 );
1570 void MP4_FreeBox_stsh( input_thread_t *p_input, MP4_Box_t *p_box )
1572 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1573 FREE( p_box->data.p_stsh->i_sync_sample_number )
1577 int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1581 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1583 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1585 p_box->data.p_stdp->i_priority =
1586 calloc( sizeof( u16 ), i_read / 2 );
1588 for( i = 0; i < i_read / 2 ; i++ )
1591 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1596 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count %d",
1600 MP4_READBOX_EXIT( 1 );
1603 void MP4_FreeBox_stdp( input_thread_t *p_input, MP4_Box_t *p_box )
1605 FREE( p_box->data.p_stdp->i_priority )
1608 int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1612 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1614 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1617 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1619 p_box->data.p_padb->i_reserved1 =
1620 calloc( sizeof( u16 ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1621 p_box->data.p_padb->i_pad2 =
1622 calloc( sizeof( u16 ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1623 p_box->data.p_padb->i_reserved2 =
1624 calloc( sizeof( u16 ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1625 p_box->data.p_padb->i_pad1 =
1626 calloc( sizeof( u16 ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1629 for( i = 0; i < i_read / 2 ; i++ )
1631 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1632 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1633 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1634 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1636 p_peek += 1; i_read -= 1;
1641 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count %d",
1645 MP4_READBOX_EXIT( 1 );
1648 void MP4_FreeBox_padb( input_thread_t *p_input, MP4_Box_t *p_box )
1650 FREE( p_box->data.p_padb->i_reserved1 );
1651 FREE( p_box->data.p_padb->i_pad2 );
1652 FREE( p_box->data.p_padb->i_reserved2 );
1653 FREE( p_box->data.p_padb->i_pad1 );
1656 int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1660 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1662 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1665 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1667 p_box->data.p_elst->i_segment_duration =
1668 calloc( sizeof( u64 ), p_box->data.p_elst->i_entry_count );
1669 p_box->data.p_elst->i_media_time =
1670 calloc( sizeof( u64 ), p_box->data.p_elst->i_entry_count );
1671 p_box->data.p_elst->i_media_rate_integer =
1672 calloc( sizeof( u16 ), p_box->data.p_elst->i_entry_count );
1673 p_box->data.p_elst->i_media_rate_fraction=
1674 calloc( sizeof( u16 ), p_box->data.p_elst->i_entry_count );
1677 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1679 if( p_box->data.p_elst->i_version == 1 )
1682 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1684 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1689 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1691 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1694 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1695 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1700 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count %d",
1704 MP4_READBOX_EXIT( 1 );
1707 void MP4_FreeBox_elst( input_thread_t *p_input, MP4_Box_t *p_box )
1709 FREE( p_box->data.p_elst->i_segment_duration );
1710 FREE( p_box->data.p_elst->i_media_time );
1711 FREE( p_box->data.p_elst->i_media_rate_integer );
1712 FREE( p_box->data.p_elst->i_media_rate_fraction );
1715 int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1720 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1722 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1724 i_language = GetWBE( p_peek );
1725 for( i = 0; i < 3; i++ )
1727 p_box->data.p_cprt->i_language[i] =
1728 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1730 p_peek += 2; i_read -= 2;
1731 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1734 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1735 p_box->data.p_cprt->i_language[0],
1736 p_box->data.p_cprt->i_language[1],
1737 p_box->data.p_cprt->i_language[2],
1738 p_box->data.p_cprt->psz_notice );
1741 MP4_READBOX_EXIT( 1 );
1744 void MP4_FreeBox_cprt( input_thread_t *p_input, MP4_Box_t *p_box )
1746 FREE( p_box->data.p_cprt->psz_notice );
1750 int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1752 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1754 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1756 msg_Dbg( p_stream->p_input,
1757 "Read Box: \"dcom\" compression algorithm : %c%c%c%c",
1758 ( p_box->data.p_dcom->i_algorithm )&0xff,
1759 ( p_box->data.p_dcom->i_algorithm >> 8 )&0xff,
1760 ( p_box->data.p_dcom->i_algorithm >> 16 )&0xff,
1761 ( p_box->data.p_dcom->i_algorithm >> 24 )&0xff );
1764 MP4_READBOX_EXIT( 1 );
1767 int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1769 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1772 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1774 p_box->data.p_cmvd->i_compressed_size = i_read;
1776 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1778 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1782 /* now copy compressed data */
1783 memcpy( p_box->data.p_cmvd->p_data,
1787 p_box->data.p_cmvd->b_compressed = 1;
1790 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1791 p_box->data.p_cmvd->i_compressed_size );
1794 MP4_READBOX_EXIT( 1 );
1796 void MP4_FreeBox_cmvd( input_thread_t *p_input, MP4_Box_t *p_box )
1798 FREE( p_box->data.p_cmvd->p_data );
1801 int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1803 MP4_Stream_t *p_stream_memory;
1813 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1815 msg_Err( p_stream->p_input, "out of memory" );
1818 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1820 if( !( p_box->p_father )||
1821 ( p_box->p_father->i_type != FOURCC_moov ) )
1823 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1827 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1832 if( !( p_dcom = MP4_FindBox( p_box, FOURCC_dcom ) )||
1833 !( p_cmvd = MP4_FindBox( p_box, FOURCC_cmvd ) )||
1834 !( p_cmvd->data.p_cmvd->p_data ) )
1836 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1840 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1842 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %c%c%c%c not supported",
1843 ( p_dcom->data.p_dcom->i_algorithm )&0xff,
1844 ( p_dcom->data.p_dcom->i_algorithm >> 8 )&0xff,
1845 ( p_dcom->data.p_dcom->i_algorithm >> 16 )&0xff,
1846 ( p_dcom->data.p_dcom->i_algorithm >> 24 )&0xff );
1850 /* decompress data */
1851 /* allocate a new buffer */
1852 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1854 msg_Err( p_stream->p_input,
1855 "Read Box: \"cmov\" not enough memory to uncompress data" );
1858 /* init default structures */
1859 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1860 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1861 z_data.next_out = p_data;
1862 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1863 z_data.zalloc = (alloc_func)Z_NULL;
1864 z_data.zfree = (free_func)Z_NULL;
1865 z_data.opaque = (voidpf)Z_NULL;
1868 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1870 msg_Err( p_stream->p_input,
1871 "Read Box: \"cmov\" error while uncompressing data" );
1877 i_result = inflate( &z_data, Z_NO_FLUSH );
1878 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1880 msg_Err( p_stream->p_input,
1881 "Read Box: \"cmov\" error while uncompressing data" );
1886 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1888 msg_Warn( p_stream->p_input,
1889 "Read Box: \"cmov\" uncompressing data size mismatch" );
1891 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1894 i_result = inflateEnd( &z_data );
1895 if( i_result != Z_OK )
1897 msg_Warn( p_stream->p_input,
1898 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1902 free( p_cmvd->data.p_cmvd->p_data );
1903 p_cmvd->data.p_cmvd->p_data = p_data;
1904 p_cmvd->data.p_cmvd->b_compressed = 0;
1906 msg_Dbg( p_stream->p_input,
1907 "Read Box: \"cmov\" box succesfully uncompressed" );
1909 /* now create a memory stream */
1910 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1911 p_cmvd->data.p_cmvd->i_uncompressed_size,
1912 p_cmvd->data.p_cmvd->p_data );
1914 /* and read uncompressd moov */
1915 p_umov = malloc( sizeof( MP4_Box_t ) );
1917 i_result = MP4_ReadBox( p_stream_memory, p_umov, NULL );
1919 p_box->data.p_cmov->p_moov = p_umov;
1920 free( p_stream_memory );
1923 msg_Dbg( p_stream->p_input,
1924 "Read Box: \"cmov\" compressed movie header completed" );
1930 /**** ------------------------------------------------------------------- ****/
1931 /**** "Higher level" Functions ****/
1932 /**** ------------------------------------------------------------------- ****/
1937 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
1938 void (*MP4_FreeBox_function )( input_thread_t *p_input, MP4_Box_t *p_box );
1939 } MP4_Box_Function [] =
1942 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1943 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1944 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1945 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1946 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1947 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1948 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1949 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1950 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1951 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1952 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1955 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
1956 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
1957 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
1958 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
1959 { FOURCC_tref, MP4_ReadBox_tref, MP4_FreeBox_Common },
1960 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
1961 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
1962 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
1963 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
1964 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
1965 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
1966 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
1967 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
1968 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
1969 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
1970 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
1971 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
1972 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
1973 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1974 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1975 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
1976 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
1977 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
1978 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
1979 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
1980 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
1981 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
1982 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
1983 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
1985 /* Nothing to do with this box */
1986 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1987 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1988 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1989 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1992 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1993 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1994 { FOURCC_mp4a, MP4_ReadBox_sample_mp4a, MP4_FreeBox_Common },
1996 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1997 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1998 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1999 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2000 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2001 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2002 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2003 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2004 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2005 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2006 { FOURCC_mjht, NULL, NULL },
2008 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2010 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2012 /* XXX there is 2 box where we could find this entry stbl and tref*/
2013 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2015 /* found in tref box */
2016 { FOURCC_dpnd, NULL, NULL },
2017 { FOURCC_ipir, NULL, NULL },
2018 { FOURCC_mpod, NULL, NULL },
2021 { FOURCC_rtp, NULL, NULL },
2030 /*****************************************************************************
2031 * MP4_ReadBox : parse the actual box and the children
2032 * XXX : Do not go to the next box
2033 *****************************************************************************/
2034 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father )
2039 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2041 msg_Warn( p_stream->p_input, "Cannot read one box" );
2044 if( !p_box->i_size )
2046 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2049 p_box->p_father = p_father;
2051 /* Now search function to call */
2052 for( i_index = 0; ; i_index++ )
2054 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2055 ( MP4_Box_Function[i_index].i_type == 0 ) )
2060 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2062 msg_Warn( p_stream->p_input,
2063 "Unknown box type %c%c%c%c (uncompletetly loaded)",
2064 (p_box->i_type)&0xff,
2065 (p_box->i_type>>8)&0xff,
2066 (p_box->i_type>>16)&0xff,
2067 (p_box->i_type>>24)&0xff );
2073 (MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box );
2076 if( !MP4_GotoBox( p_stream, p_box ) )
2083 /*****************************************************************************
2084 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2086 *****************************************************************************/
2087 void MP4_FreeBox( input_thread_t *p_input, MP4_Box_t *p_box )
2098 p_child = p_box->p_first;
2101 p_next = p_child->p_next;
2102 MP4_FreeBox( p_input, p_child );
2103 /* MP4_FreeBoxChildren have free all data expect p_child itself */
2108 /* Now search function to call */
2109 if( p_box->data.p_data )
2111 for( i_index = 0; ; i_index++ )
2113 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2114 ( MP4_Box_Function[i_index].i_type == 0 ) )
2119 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2121 /* Should not happen */
2123 "cannot free box %c%c%c%c, type unknown",
2124 (p_box->i_type)&0xff,
2125 (p_box->i_type >> 8)&0xff,
2126 (p_box->i_type >> 16)&0xff,
2127 (p_box->i_type >> 24)&0xff );
2131 MP4_Box_Function[i_index].MP4_FreeBox_function( p_input, p_box );
2134 free( p_box->data.p_data );
2135 p_box->data.p_data = NULL;
2138 p_box->p_first = NULL;
2139 p_box->p_last = NULL;
2143 /*****************************************************************************
2144 * MP4_ReadRoot : Parse the entire file, and create all boxes in memory
2145 *****************************************************************************
2146 * The first box is a virtual box "root" and is the father for all first
2147 * level boxes for the file, a sort of virtual contener
2148 *****************************************************************************/
2149 int MP4_ReadBoxRoot( input_thread_t *p_input, MP4_Box_t *p_root )
2152 MP4_Stream_t *p_stream;
2155 MP4_SeekAbsolute( p_input, 0 ); /* Go to the begining */
2157 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2158 p_root->i_shortsize = 1;
2159 p_root->i_size = p_input->stream.p_selected_area->i_size;
2160 CreateUUID( &p_root->i_uuid, p_root->i_type );
2162 p_root->data.p_data = NULL;
2163 p_root->p_father = NULL;
2164 p_root->p_first = NULL;
2165 p_root->p_last = NULL;
2166 p_root->p_next = NULL;
2168 p_stream = MP4_InputStream( p_input );
2170 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2180 /* check if there is a cmov, if so replace
2181 compressed moov by uncompressed one */
2182 if( ( p_moov = MP4_FindBox( p_root, FOURCC_moov ) )&&
2183 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) )
2185 /* rename the compressed moov as a box to skip */
2186 p_moov->i_type = FOURCC_skip;
2188 /* get uncompressed p_moov */
2189 p_moov = p_cmov->data.p_cmov->p_moov;
2190 p_cmov->data.p_cmov->p_moov = NULL;
2192 /* make p_root father of this new moov */
2193 p_moov->p_father = p_root;
2195 /* insert this new moov box as first child of p_root */
2196 p_moov->p_next = p_child = p_root->p_first;
2197 p_root->p_first = p_moov;
2204 static void __MP4_DumpBoxStructure( input_thread_t *p_input,
2205 MP4_Box_t *p_box, int i_level )
2211 msg_Dbg( p_input, "Dumping root Box \"%c%c%c%c \"",
2212 (p_box->i_type ) &0xff,
2213 (p_box->i_type >>8 ) &0xff,
2214 (p_box->i_type >>16 ) &0xff,
2215 (p_box->i_type >>24) &0xff );
2221 memset( str, (u8)' ', 512 );
2222 for( i = 0; i < i_level; i++ )
2226 sprintf( str + i_level * 5, "+ %c%c%c%c size %d",
2227 (p_box->i_type ) &0xff,
2228 (p_box->i_type>>8 ) &0xff,
2229 (p_box->i_type>>16 ) &0xff,
2230 (p_box->i_type>>24 ) &0xff,
2231 (u32)p_box->i_size );
2233 msg_Dbg( p_input, "%s", str );
2235 p_child = p_box->p_first;
2238 __MP4_DumpBoxStructure( p_input, p_child, i_level + 1 );
2239 p_child = p_child->p_next;
2244 void MP4_DumpBoxStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2246 __MP4_DumpBoxStructure( p_input, p_box, 0 );
2250 /*****************************************************************************
2251 * MP4_CountBox: given a box, count how many child have the requested type
2252 * FIXME : support GUUID
2253 *****************************************************************************/
2254 int MP4_CountBox( MP4_Box_t *p_box, u32 i_type )
2265 p_child = p_box->p_first;
2268 if( p_child->i_type == i_type )
2272 p_child = p_child->p_next;
2279 /*****************************************************************************
2280 * MP4_FindBox: find first box with i_type child of p_box
2281 * return NULL if not found
2282 *****************************************************************************/
2284 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, u32 i_type )
2293 p_child = p_box->p_first;
2296 if( p_child->i_type == i_type )
2300 p_child = p_child->p_next;
2307 /*****************************************************************************
2308 * MP4_FindNextBox: find next box with thesame type and at the same level
2310 *****************************************************************************/
2311 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box )
2320 p_next = p_box->p_next;
2323 if( p_next->i_type == p_box->i_type )
2327 p_next = p_next->p_next;
2332 /*****************************************************************************
2333 * MP4_FindNbBox: find the box i_number
2334 *****************************************************************************/
2335 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, u32 i_number )
2337 MP4_Box_t *p_child = p_box->p_first;
2346 if( !( p_child = p_child->p_next ) )