1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.27 2003/05/10 11:05:52 hartman Exp $
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
22 #include <stdlib.h> /* malloc(), free() */
24 #include <string.h> /* strdup() */
26 #include <sys/types.h>
29 #include <vlc/input.h>
32 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 * XXX: All macro are written in capital letters
43 *****************************************************************************/
44 #define MP4_BOX_HEADERSIZE( p_box ) \
45 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
46 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
48 #define MP4_GET1BYTE( dst ) \
49 dst = *p_peek; p_peek++; i_read--
51 #define MP4_GET2BYTES( dst ) \
52 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
54 #define MP4_GET3BYTES( dst ) \
55 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
57 #define MP4_GET4BYTES( dst ) \
58 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
60 #define MP4_GETFOURCC( dst ) \
61 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
62 p_peek += 4; i_read -= 4
64 #define MP4_GET8BYTES( dst ) \
65 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
67 #define MP4_GETVERSIONFLAGS( p_void ) \
68 MP4_GET1BYTE( p_void->i_version ); \
69 MP4_GET3BYTES( p_void->i_flags )
71 #define MP4_GETSTRINGZ( p_str ) \
72 if( ( i_read > 0 )&&(p_peek[0] ) ) \
74 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
75 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
76 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
77 p_peek += strlen( p_str ) + 1; \
78 i_read -= strlen( p_str ) + 1; \
86 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
87 int64_t i_read = p_box->i_size; \
88 uint8_t *p_peek, *p_buff; \
89 i_read = p_box->i_size; \
90 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
94 if( MP4_ReadStream( p_stream, p_peek, i_read ) )\
99 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
100 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
101 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
107 #define MP4_READBOX_EXIT( i_code ) \
111 msg_Warn( p_stream->p_input, "Not enougth data" ); \
116 if( p ) {free( p ); p = NULL; }
121 * The input method HAVE to be seekable
125 /* Some functions to manipulate memory */
126 static uint16_t GetWLE( uint8_t *p_buff )
128 return( (p_buff[0]) + ( p_buff[1] <<8 ) );
131 static uint32_t GetDWLE( uint8_t *p_buff )
133 return( p_buff[0] + ( p_buff[1] <<8 ) +
134 ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
137 static uint16_t GetWBE( uint8_t *p_buff )
139 return( (p_buff[0]<<8) + p_buff[1] );
142 static uint32_t Get24bBE( uint8_t *p_buff )
144 return( ( p_buff[0] <<16 ) + ( p_buff[1] <<8 ) + p_buff[2] );
148 static uint32_t GetDWBE( uint8_t *p_buff )
150 return( (p_buff[0] << 24) + ( p_buff[1] <<16 ) +
151 ( p_buff[2] <<8 ) + p_buff[3] );
154 static uint64_t GetQWBE( uint8_t *p_buff )
156 return( ( (uint64_t)GetDWBE( p_buff ) << 32 )|( (uint64_t)GetDWBE( p_buff + 4 ) ) );
160 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
167 static void CreateUUID( UUID_t *p_uuid, uint32_t 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, uint64_t 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 );
193 static void DataDump( uint8_t *p_data, int i_data )
196 fprintf( stderr, "\nDumping %d bytes\n", i_data );
197 for( i = 0; i < i_data; i++ )
202 if( c < 32 || c > 127 ) c = '.';
203 fprintf( stderr, "%c", c );
204 if( i % 60 == 59 ) fprintf( stderr, "\n" );
206 fprintf( stderr, "\n" );
210 /*****************************************************************************
211 * Some basic functions to manipulate stream more easily in vlc
213 * MP4_TellAbsolute get file position
215 * MP4_SeekAbsolute seek in the file
217 * MP4_ReadData read data from the file in a buffer
219 *****************************************************************************/
220 off_t MP4_TellAbsolute( input_thread_t *p_input )
224 vlc_mutex_lock( &p_input->stream.stream_lock );
226 i_pos= p_input->stream.p_selected_area->i_tell;
228 vlc_mutex_unlock( &p_input->stream.stream_lock );
233 int MP4_SeekAbsolute( input_thread_t *p_input,
238 //msg_Warn( p_input, "seek to %lld/%lld", i_pos, p_input->stream.p_selected_area->i_size );
240 if( p_input->stream.p_selected_area->i_size > 0 &&
241 i_pos >= p_input->stream.p_selected_area->i_size )
243 msg_Warn( p_input, "seek:after end of file" );
247 i_filepos = MP4_TellAbsolute( p_input );
249 if( i_filepos == i_pos )
254 if( p_input->stream.b_seekable &&
255 ( p_input->stream.i_method == INPUT_METHOD_FILE ||
256 i_pos - i_filepos < 0 ||
257 i_pos - i_filepos > 1024 ) )
259 input_AccessReinit( p_input );
260 p_input->pf_seek( p_input, i_pos );
263 else if( i_pos - i_filepos > 0 )
265 data_packet_t *p_data;
266 int i_skip = i_pos - i_filepos;
268 msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
274 i_read = input_SplitBuffer( p_input, &p_data,
275 __MIN( 4096, i_skip ) );
278 msg_Warn( p_input, "seek:cannot read" );
283 input_DeletePacket( p_input->p_method_data, p_data );
284 if( i_read == 0 && i_skip > 0 )
286 msg_Warn( p_input, "seek:cannot read" );
294 msg_Warn( p_input, "seek:failed" );
299 /* return 1 if success, 0 if fail */
300 int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size )
302 data_packet_t *p_data;
309 return( VLC_SUCCESS );
314 i_read = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
317 return( VLC_EGENERIC );
319 memcpy( p_buff, p_data->p_payload_start, i_read );
320 input_DeletePacket( p_input->p_method_data, p_data );
327 return( VLC_SUCCESS );
330 /*****************************************************************************
331 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
332 * in the way that you can read from a memory buffer or from an input
334 *****************************************************************************/
336 /**** ------- First some function to make abstract from input -------- */
338 /****************************************************************************
339 * MP4_InputStream create an stram with an input
341 ****************************************************************************/
342 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
344 MP4_Stream_t *p_stream;
346 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
350 p_stream->b_memory = 0;
351 p_stream->p_input = p_input;
352 p_stream->i_start = 0;
353 p_stream->i_stop = 0;
354 p_stream->p_buffer = NULL;
359 /****************************************************************************
360 * MP4_MemoryStream create a memory stream
361 * if p_buffer == NULL, will allocate a buffer of i_size, else
362 * it uses p_buffer XXX you have to unallocate it yourself !
364 ****************************************************************************/
365 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
366 int i_size, uint8_t *p_buffer )
368 MP4_Stream_t *p_stream;
370 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
374 p_stream->b_memory = 1;
375 p_stream->p_input = p_input;
376 p_stream->i_start = 0;
377 p_stream->i_stop = i_size;
380 if( !( p_stream->p_buffer = malloc( i_size ) ) )
388 p_stream->p_buffer = p_buffer;
393 /****************************************************************************
394 * MP4_ReadStream read from a MP4_Stream_t
396 ****************************************************************************/
397 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
399 if( p_stream->b_memory )
401 if( i_size > p_stream->i_stop - p_stream->i_start )
403 return( VLC_EGENERIC );
406 p_stream->p_buffer + p_stream->i_start,
408 p_stream->i_start += i_size;
409 return( VLC_SUCCESS );
413 return( MP4_ReadData( p_stream->p_input, p_buff, i_size ) );
417 /****************************************************************************
418 * MP4_PeekStream peek from a MP4_Stream_t
420 ****************************************************************************/
421 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
423 if( p_stream->b_memory )
425 *pp_peek = p_stream->p_buffer + p_stream->i_start;
427 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
432 if( p_stream->p_input->stream.p_selected_area->i_size > 0 )
435 p_stream->p_input->stream.p_selected_area->i_size - MP4_TellAbsolute( p_stream->p_input );
441 return( input_Peek( p_stream->p_input, pp_peek, i_size ) );
445 /****************************************************************************
446 * MP4_TellStream give absolute position in the stream
447 * XXX for a memory stream give position from begining of the buffer
448 ****************************************************************************/
449 off_t MP4_TellStream( MP4_Stream_t *p_stream )
451 if( p_stream->b_memory )
453 return( p_stream->i_start );
457 return( MP4_TellAbsolute( p_stream->p_input ) );
461 /****************************************************************************
462 * MP4_SeekStream seek in a MP4_Stream_t
464 ****************************************************************************/
465 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
467 if( p_stream->b_memory )
469 if( i_pos < p_stream->i_stop )
471 p_stream->i_start = i_pos;
472 return( VLC_SUCCESS );
476 return( VLC_EGENERIC );
481 return( MP4_SeekAbsolute( p_stream->p_input, i_pos ) );
487 /*****************************************************************************
488 * MP4_ReadBoxCommon : Load only common parameters for all boxes
489 *****************************************************************************
490 * p_box need to be an already allocated MP4_Box_t, and all data
491 * will only be peek not read
493 * RETURN : 0 if it fail, 1 otherwise
494 *****************************************************************************/
495 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
500 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
504 p_box->i_pos = MP4_TellStream( p_stream );
506 p_box->data.p_data = NULL;
507 p_box->p_father = NULL;
508 p_box->p_first = NULL;
509 p_box->p_last = NULL;
510 p_box->p_next = NULL;
512 MP4_GET4BYTES( p_box->i_shortsize );
513 MP4_GETFOURCC( p_box->i_type );
515 /* Now special case */
517 if( p_box->i_shortsize == 1 )
519 /* get the true size on 64 bits */
520 MP4_GET8BYTES( p_box->i_size );
524 p_box->i_size = p_box->i_shortsize;
525 /* XXX size of 0 means that the box extends to end of file */
528 if( p_box->i_type == FOURCC_uuid )
530 /* get extented type on 16 bytes */
531 GetUUID( &p_box->i_uuid, p_peek );
532 p_peek += 16; i_read -= 16;
536 CreateUUID( &p_box->i_uuid, p_box->i_type );
541 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size "I64Fd,
542 (char*)&p_box->i_type,
551 /*****************************************************************************
552 * MP4_MP4_NextBox : Go to the next box
553 *****************************************************************************
554 * if p_box == NULL, go to the next box in witch we are( at the begining ).
555 *****************************************************************************/
556 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
562 MP4_ReadBoxCommon( p_stream, &box );
568 return( 2 ); /* Box with infinite size */
571 if( p_box->p_father )
573 /* check if it's within p-father */
574 if( p_box->i_size + p_box->i_pos >=
575 p_box->p_father->i_size + p_box->p_father->i_pos )
577 return( 0 ); /* out of bound */
580 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) ? 0 : 1 );
582 /*****************************************************************************
583 * MP4_MP4_GotoBox : Go to this particular box
584 *****************************************************************************
585 * RETURN : 0 if it fail, 1 otherwise
586 *****************************************************************************/
587 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
589 return( MP4_SeekStream( p_stream, p_box->i_pos ) ? 0 : 1 );
593 /*****************************************************************************
594 * For all known box a loader is given,
595 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
596 * after called one of theses functions, file position is unknown
597 * you need to call MP4_GotoBox to go where you want
598 *****************************************************************************/
599 int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
603 if( MP4_TellStream( p_stream ) + 8 >
604 (off_t)(p_container->i_pos + p_container->i_size) )
606 /* there is no box to load */
612 p_box = malloc( sizeof( MP4_Box_t ) );
614 if( MP4_ReadBox( p_stream, p_box , p_container ) )
616 /* chain this box with the father and the other at same level */
617 if( !p_container->p_first )
619 p_container->p_first = p_box;
623 p_container->p_last->p_next = p_box;
625 p_container->p_last = p_box;
634 }while( MP4_NextBox( p_stream, p_box ) == 1 );
640 int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
642 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
644 /* container is empty, 8 stand for the first header in this box */
649 MP4_SeekStream( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
651 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
654 void MP4_FreeBox_Common( input_thread_t *p_input, MP4_Box_t *p_box )
656 /* Up to now do nothing */
659 int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
661 /* XXX sometime moov is hiden in a free box */
662 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
663 p_box->i_type == FOURCC_free )
669 i_read = MP4_PeekStream( p_stream, &p_peek, 44 );
671 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
672 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
676 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
678 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
680 msg_Warn( p_stream->p_input, "Detected moov hidden in a free box ..." );
682 p_box->i_type = FOURCC_foov;
683 return MP4_ReadBoxContainer( p_stream, p_box );
689 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
690 (char*)&p_box->i_type );
695 int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
697 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
699 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
700 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
702 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
705 p_box->data.p_ftyp->i_compatible_brands =
706 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
708 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
710 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
715 p_box->data.p_ftyp->i_compatible_brands = NULL;
718 MP4_READBOX_EXIT( 1 );
721 void MP4_FreeBox_ftyp( input_thread_t *p_input, MP4_Box_t *p_box )
723 FREE( p_box->data.p_ftyp->i_compatible_brands );
727 int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
731 char s_creation_time[128];
732 char s_modification_time[128];
733 char s_duration[128];
735 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
737 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
739 if( p_box->data.p_mvhd->i_version )
741 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
742 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
743 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
744 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
748 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
749 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
750 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
751 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
753 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
754 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
755 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
758 for( i = 0; i < 2; i++ )
760 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
762 for( i = 0; i < 9; i++ )
764 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
766 for( i = 0; i < 6; i++ )
768 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
771 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
775 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
776 MP4_ConvertDate2Str( s_modification_time,
777 p_box->data.p_mvhd->i_modification_time );
778 if( p_box->data.p_mvhd->i_rate )
780 MP4_ConvertDate2Str( s_duration,
781 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
787 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",
790 (uint32_t)p_box->data.p_mvhd->i_timescale,
792 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
793 (float)p_box->data.p_mvhd->i_volume / 256 ,
794 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
796 MP4_READBOX_EXIT( 1 );
799 int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
803 char s_creation_time[128];
804 char s_modification_time[128];
805 char s_duration[128];
807 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
809 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
811 if( p_box->data.p_tkhd->i_version )
813 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
814 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
815 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
816 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
817 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
821 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
822 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
823 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
824 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
825 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
828 for( i = 0; i < 2; i++ )
830 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
832 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
833 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
834 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
835 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
837 for( i = 0; i < 9; i++ )
839 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
841 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
842 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
845 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
846 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
847 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
849 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",
853 p_box->data.p_tkhd->i_track_ID,
854 p_box->data.p_tkhd->i_layer,
855 (float)p_box->data.p_tkhd->i_volume / 256 ,
856 (float)p_box->data.p_tkhd->i_width / 65536,
857 (float)p_box->data.p_tkhd->i_height / 65536 );
859 MP4_READBOX_EXIT( 1 );
863 int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
868 char s_creation_time[128];
869 char s_modification_time[128];
870 char s_duration[128];
872 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
874 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
876 if( p_box->data.p_mdhd->i_version )
878 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
879 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
880 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
881 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
885 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
886 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
887 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
888 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
890 i_language = GetWBE( p_peek );
891 for( i = 0; i < 3; i++ )
893 p_box->data.p_mdhd->i_language[i] =
894 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
897 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
900 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
901 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
902 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
903 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
906 (uint32_t)p_box->data.p_mdhd->i_timescale,
908 p_box->data.p_mdhd->i_language[0],
909 p_box->data.p_mdhd->i_language[1],
910 p_box->data.p_mdhd->i_language[2] );
912 MP4_READBOX_EXIT( 1 );
916 int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
918 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
920 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
922 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
923 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
925 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
926 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
929 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
930 (char*)&p_box->data.p_hdlr->i_handler_type,
931 p_box->data.p_hdlr->psz_name );
934 MP4_READBOX_EXIT( 1 );
937 void MP4_FreeBox_hdlr( input_thread_t *p_input, MP4_Box_t *p_box )
939 FREE( p_box->data.p_hdlr->psz_name );
942 int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
946 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
948 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
950 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
951 for( i = 0; i < 3; i++ )
953 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
957 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
958 p_box->data.p_vmhd->i_graphics_mode,
959 p_box->data.p_vmhd->i_opcolor[0],
960 p_box->data.p_vmhd->i_opcolor[1],
961 p_box->data.p_vmhd->i_opcolor[2] );
963 MP4_READBOX_EXIT( 1 );
966 int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
968 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
970 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
974 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
976 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
979 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
980 (float)p_box->data.p_smhd->i_balance / 256 );
982 MP4_READBOX_EXIT( 1 );
986 int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
988 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
990 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
992 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
993 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
995 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
996 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
998 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
1001 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
1002 p_box->data.p_hmhd->i_max_PDU_size,
1003 p_box->data.p_hmhd->i_avg_PDU_size,
1004 p_box->data.p_hmhd->i_max_bitrate,
1005 p_box->data.p_hmhd->i_avg_bitrate );
1007 MP4_READBOX_EXIT( 1 );
1010 int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1012 MP4_READBOX_ENTER( MP4_Box_data_url_t );
1014 MP4_GETVERSIONFLAGS( p_box->data.p_url );
1015 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
1018 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
1019 p_box->data.p_url->psz_location );
1022 MP4_READBOX_EXIT( 1 );
1026 void MP4_FreeBox_url( input_thread_t *p_input, MP4_Box_t *p_box )
1028 FREE( p_box->data.p_url->psz_location )
1031 int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1033 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
1035 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
1037 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
1038 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
1041 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
1042 p_box->data.p_urn->psz_name,
1043 p_box->data.p_urn->psz_location );
1045 MP4_READBOX_EXIT( 1 );
1047 void MP4_FreeBox_urn( input_thread_t *p_input, MP4_Box_t *p_box )
1049 FREE( p_box->data.p_urn->psz_name );
1050 FREE( p_box->data.p_urn->psz_location );
1054 int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1056 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1058 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1060 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1062 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1063 MP4_ReadBoxContainerRaw( p_stream, p_box );
1066 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
1067 p_box->data.p_dref->i_entry_count );
1070 MP4_READBOX_EXIT( 1 );
1074 int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1077 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1079 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1080 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1082 p_box->data.p_stts->i_sample_count =
1083 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1084 p_box->data.p_stts->i_sample_delta =
1085 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1087 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1089 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1090 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1094 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
1095 p_box->data.p_stts->i_entry_count );
1098 MP4_READBOX_EXIT( 1 );
1101 void MP4_FreeBox_stts( input_thread_t *p_input, MP4_Box_t *p_box )
1103 FREE( p_box->data.p_stts->i_sample_count );
1104 FREE( p_box->data.p_stts->i_sample_delta );
1107 int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1110 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1112 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1114 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1116 p_box->data.p_ctts->i_sample_count =
1117 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1118 p_box->data.p_ctts->i_sample_offset =
1119 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1121 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1123 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1124 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1128 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
1129 p_box->data.p_ctts->i_entry_count );
1132 MP4_READBOX_EXIT( 1 );
1135 void MP4_FreeBox_ctts( input_thread_t *p_input, MP4_Box_t *p_box )
1137 FREE( p_box->data.p_ctts->i_sample_count );
1138 FREE( p_box->data.p_ctts->i_sample_offset );
1141 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1144 unsigned int i_len = 0;
1151 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1152 } while( i_b&0x80 );
1156 int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1158 #define es_descriptor p_box->data.p_esds->es_descriptor
1160 unsigned int i_flags;
1161 unsigned int i_type;
1163 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1165 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1168 MP4_GET1BYTE( i_type );
1169 if( i_type == 0x03 ) /* MP4ESDescrTag */
1171 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1173 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1174 MP4_GET1BYTE( i_flags );
1175 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1176 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1177 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1179 es_descriptor.i_stream_priority = i_flags&0x1f;
1180 if( es_descriptor.b_stream_dependence )
1182 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1184 if( es_descriptor.b_url )
1188 MP4_GET1BYTE( i_len );
1189 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1190 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1191 es_descriptor.psz_URL[i_len] = 0;
1197 es_descriptor.psz_URL = NULL;
1199 if( es_descriptor.b_OCRstream )
1201 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1203 MP4_GET1BYTE( i_type ); /* get next type */
1206 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1208 es_descriptor.p_decConfigDescr = NULL;
1209 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1212 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1213 es_descriptor.p_decConfigDescr =
1214 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1216 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1217 MP4_GET1BYTE( i_flags );
1218 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1219 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1220 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1221 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1222 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1223 MP4_GET1BYTE( i_type );
1224 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1226 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1227 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1228 MP4_READBOX_EXIT( 1 );
1231 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1232 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1233 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1234 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1237 MP4_READBOX_EXIT( 1 );
1239 #undef es_descriptor
1242 void MP4_FreeBox_esds( input_thread_t *p_input, MP4_Box_t *p_box )
1244 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1245 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1247 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1249 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1252 int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1256 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1258 for( i = 0; i < 6 ; i++ )
1260 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1263 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1266 * XXX hack -> produce a copy of the nearly complete chunk
1270 p_box->data.p_sample_soun->i_qt_description = i_read;
1271 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1272 memcpy( p_box->data.p_sample_soun->p_qt_description,
1278 p_box->data.p_sample_soun->i_qt_description = 0;
1279 p_box->data.p_sample_soun->p_qt_description = NULL;
1282 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1283 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1284 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1286 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1287 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1288 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1289 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1290 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1291 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1293 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1297 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1298 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1299 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1300 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1303 msg_Dbg( p_stream->p_input,
1304 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1305 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1306 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1308 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1312 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1313 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1314 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1315 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1317 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1318 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1320 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1323 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1324 p_box->data.p_sample_soun->i_channelcount,
1325 p_box->data.p_sample_soun->i_samplesize,
1326 (float)p_box->data.p_sample_soun->i_sampleratehi +
1327 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1330 MP4_READBOX_EXIT( 1 );
1334 int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1338 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1340 for( i = 0; i < 6 ; i++ )
1342 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1345 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1348 * XXX hack -> produce a copy of the nearly complete chunk
1352 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1353 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1354 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1360 p_box->data.p_sample_vide->i_qt_image_description = 0;
1361 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1364 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1365 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1366 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1368 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1369 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1371 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1372 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1374 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1375 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1377 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1378 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1380 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1381 p_peek += 32; i_read -= 32;
1383 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1384 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1386 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1387 MP4_ReadBoxContainerRaw( p_stream, p_box );
1390 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1391 p_box->data.p_sample_vide->i_width,
1392 p_box->data.p_sample_vide->i_height,
1393 p_box->data.p_sample_vide->i_depth );
1396 MP4_READBOX_EXIT( 1 );
1400 int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1403 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1405 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1407 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1409 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1411 MP4_ReadBoxContainerRaw( p_stream, p_box );
1414 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1415 p_box->data.p_stsd->i_entry_count );
1418 MP4_READBOX_EXIT( 1 );
1422 int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1426 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1428 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1430 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1432 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1434 p_box->data.p_stsz->i_entry_size =
1435 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1437 if( !p_box->data.p_stsz->i_sample_size )
1439 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1441 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1446 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1447 p_box->data.p_stsz->i_sample_size,
1448 p_box->data.p_stsz->i_sample_count );
1451 MP4_READBOX_EXIT( 1 );
1454 void MP4_FreeBox_stsz( input_thread_t *p_input, MP4_Box_t *p_box )
1456 FREE( p_box->data.p_stsz->i_entry_size );
1459 int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1463 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1465 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1467 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1469 p_box->data.p_stsc->i_first_chunk =
1470 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1471 p_box->data.p_stsc->i_samples_per_chunk =
1472 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1473 p_box->data.p_stsc->i_sample_description_index =
1474 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1476 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1478 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1479 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1480 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1484 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1485 p_box->data.p_stsc->i_entry_count );
1488 MP4_READBOX_EXIT( 1 );
1491 void MP4_FreeBox_stsc( input_thread_t *p_input, MP4_Box_t *p_box )
1493 FREE( p_box->data.p_stsc->i_first_chunk );
1494 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1495 FREE( p_box->data.p_stsc->i_sample_description_index );
1498 int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1502 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1504 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1506 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1508 p_box->data.p_co64->i_chunk_offset =
1509 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1511 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1513 if( p_box->i_type == FOURCC_stco )
1519 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1527 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1532 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1533 p_box->data.p_co64->i_entry_count );
1536 MP4_READBOX_EXIT( 1 );
1539 void MP4_FreeBox_stco_co64( input_thread_t *p_input, MP4_Box_t *p_box )
1541 FREE( p_box->data.p_co64->i_chunk_offset );
1544 int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1548 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1550 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1552 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1554 p_box->data.p_stss->i_sample_number =
1555 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1557 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1560 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1561 /* XXX in libmp4 sample begin at 0 */
1562 p_box->data.p_stss->i_sample_number[i]--;
1566 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1567 p_box->data.p_stss->i_entry_count );
1570 MP4_READBOX_EXIT( 1 );
1573 void MP4_FreeBox_stss( input_thread_t *p_input, MP4_Box_t *p_box )
1575 FREE( p_box->data.p_stss->i_sample_number )
1578 int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1582 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1584 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1587 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1589 p_box->data.p_stsh->i_shadowed_sample_number =
1590 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1592 p_box->data.p_stsh->i_sync_sample_number =
1593 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1596 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1599 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1600 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1604 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1605 p_box->data.p_stsh->i_entry_count );
1607 MP4_READBOX_EXIT( 1 );
1610 void MP4_FreeBox_stsh( input_thread_t *p_input, MP4_Box_t *p_box )
1612 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1613 FREE( p_box->data.p_stsh->i_sync_sample_number )
1617 int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1621 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1623 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1625 p_box->data.p_stdp->i_priority =
1626 calloc( sizeof( uint16_t ), i_read / 2 );
1628 for( i = 0; i < i_read / 2 ; i++ )
1631 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1635 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1639 MP4_READBOX_EXIT( 1 );
1642 void MP4_FreeBox_stdp( input_thread_t *p_input, MP4_Box_t *p_box )
1644 FREE( p_box->data.p_stdp->i_priority )
1647 int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1651 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1653 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1656 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1658 p_box->data.p_padb->i_reserved1 =
1659 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1660 p_box->data.p_padb->i_pad2 =
1661 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1662 p_box->data.p_padb->i_reserved2 =
1663 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1664 p_box->data.p_padb->i_pad1 =
1665 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1668 for( i = 0; i < i_read / 2 ; i++ )
1670 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1671 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1672 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1673 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1675 p_peek += 1; i_read -= 1;
1679 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1683 MP4_READBOX_EXIT( 1 );
1686 void MP4_FreeBox_padb( input_thread_t *p_input, MP4_Box_t *p_box )
1688 FREE( p_box->data.p_padb->i_reserved1 );
1689 FREE( p_box->data.p_padb->i_pad2 );
1690 FREE( p_box->data.p_padb->i_reserved2 );
1691 FREE( p_box->data.p_padb->i_pad1 );
1694 int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1698 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1700 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1703 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1705 p_box->data.p_elst->i_segment_duration =
1706 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1707 p_box->data.p_elst->i_media_time =
1708 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1709 p_box->data.p_elst->i_media_rate_integer =
1710 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1711 p_box->data.p_elst->i_media_rate_fraction=
1712 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1715 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1717 if( p_box->data.p_elst->i_version == 1 )
1720 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1722 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1727 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1729 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1732 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1733 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1737 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1741 MP4_READBOX_EXIT( 1 );
1744 void MP4_FreeBox_elst( input_thread_t *p_input, MP4_Box_t *p_box )
1746 FREE( p_box->data.p_elst->i_segment_duration );
1747 FREE( p_box->data.p_elst->i_media_time );
1748 FREE( p_box->data.p_elst->i_media_rate_integer );
1749 FREE( p_box->data.p_elst->i_media_rate_fraction );
1752 int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1754 unsigned int i_language;
1757 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1759 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1761 i_language = GetWBE( p_peek );
1762 for( i = 0; i < 3; i++ )
1764 p_box->data.p_cprt->i_language[i] =
1765 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1767 p_peek += 2; i_read -= 2;
1768 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1771 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1772 p_box->data.p_cprt->i_language[0],
1773 p_box->data.p_cprt->i_language[1],
1774 p_box->data.p_cprt->i_language[2],
1775 p_box->data.p_cprt->psz_notice );
1778 MP4_READBOX_EXIT( 1 );
1781 void MP4_FreeBox_cprt( input_thread_t *p_input, MP4_Box_t *p_box )
1783 FREE( p_box->data.p_cprt->psz_notice );
1787 int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1789 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1791 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1793 msg_Dbg( p_stream->p_input,
1794 "Read Box: \"dcom\" compression algorithm : %4.4s",
1795 (char*)&p_box->data.p_dcom->i_algorithm );
1797 MP4_READBOX_EXIT( 1 );
1800 int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1802 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1804 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1806 p_box->data.p_cmvd->i_compressed_size = i_read;
1808 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1810 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1814 /* now copy compressed data */
1815 memcpy( p_box->data.p_cmvd->p_data,
1819 p_box->data.p_cmvd->b_compressed = 1;
1822 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1823 p_box->data.p_cmvd->i_compressed_size );
1826 MP4_READBOX_EXIT( 1 );
1828 void MP4_FreeBox_cmvd( input_thread_t *p_input, MP4_Box_t *p_box )
1830 FREE( p_box->data.p_cmvd->p_data );
1834 int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1836 MP4_Stream_t *p_stream_memory;
1848 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1850 msg_Err( p_stream->p_input, "out of memory" );
1853 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1855 if( !p_box->p_father ||
1856 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1858 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1862 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1867 if( !( p_dcom = MP4_FindBox( p_box, FOURCC_dcom ) )||
1868 !( p_cmvd = MP4_FindBox( p_box, FOURCC_cmvd ) )||
1869 !( p_cmvd->data.p_cmvd->p_data ) )
1871 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1875 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1877 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1878 (char*)&p_dcom->data.p_dcom->i_algorithm );
1883 msg_Dbg( p_stream->p_input,
1884 "Read Box: \"cmov\" zlib unsupported" );
1887 /* decompress data */
1888 /* allocate a new buffer */
1889 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1891 msg_Err( p_stream->p_input,
1892 "Read Box: \"cmov\" not enough memory to uncompress data" );
1895 /* init default structures */
1896 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1897 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1898 z_data.next_out = p_data;
1899 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1900 z_data.zalloc = (alloc_func)Z_NULL;
1901 z_data.zfree = (free_func)Z_NULL;
1902 z_data.opaque = (voidpf)Z_NULL;
1905 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1907 msg_Err( p_stream->p_input,
1908 "Read Box: \"cmov\" error while uncompressing data" );
1914 i_result = inflate( &z_data, Z_NO_FLUSH );
1915 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1917 msg_Err( p_stream->p_input,
1918 "Read Box: \"cmov\" error while uncompressing data" );
1923 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1925 msg_Warn( p_stream->p_input,
1926 "Read Box: \"cmov\" uncompressing data size mismatch" );
1928 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1931 i_result = inflateEnd( &z_data );
1932 if( i_result != Z_OK )
1934 msg_Warn( p_stream->p_input,
1935 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1939 free( p_cmvd->data.p_cmvd->p_data );
1940 p_cmvd->data.p_cmvd->p_data = p_data;
1941 p_cmvd->data.p_cmvd->b_compressed = 0;
1943 msg_Dbg( p_stream->p_input,
1944 "Read Box: \"cmov\" box succesfully uncompressed" );
1946 //DataDump( p_data, p_cmvd->data.p_cmvd->i_uncompressed_size );
1947 /* now create a memory stream */
1948 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1949 p_cmvd->data.p_cmvd->i_uncompressed_size,
1950 p_cmvd->data.p_cmvd->p_data );
1952 //DataDump( p_stream_memory->p_buffer, p_stream_memory->i_stop );
1954 /* and read uncompressd moov */
1955 p_umov = malloc( sizeof( MP4_Box_t ) );
1957 i_result = MP4_ReadBox( p_stream_memory, p_umov, NULL );
1959 p_box->data.p_cmov->p_moov = p_umov;
1960 free( p_stream_memory );
1963 msg_Dbg( p_stream->p_input,
1964 "Read Box: \"cmov\" compressed movie header completed" );
1967 #endif /* HAVE_ZLIB_H */
1970 int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1973 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1975 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1976 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1977 MP4_GET4BYTES( i_len );
1981 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1982 for( i = 0; i < i_len; i++ )
1984 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1986 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1990 p_box->data.p_rdrf->psz_ref = NULL;
1994 msg_Dbg( p_stream->p_input,
1995 "Read Box: \"rdrf\" type:%4.4s ref %s",
1996 (char*)&p_box->data.p_rdrf->i_ref_type,
1997 p_box->data.p_rdrf->psz_ref );
2000 MP4_READBOX_EXIT( 1 );
2002 void MP4_FreeBox_rdrf( input_thread_t *p_input, MP4_Box_t *p_box )
2004 FREE( p_box->data.p_rdrf->psz_ref )
2008 int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2010 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2012 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2014 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2017 msg_Dbg( p_stream->p_input,
2018 "Read Box: \"rmdr\" rate:%d",
2019 p_box->data.p_rmdr->i_rate );
2021 MP4_READBOX_EXIT( 1 );
2024 int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2026 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2028 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2031 msg_Dbg( p_stream->p_input,
2032 "Read Box: \"rmqu\" quality:%d",
2033 p_box->data.p_rmqu->i_quality );
2035 MP4_READBOX_EXIT( 1 );
2038 int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2040 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2041 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2043 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2044 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2045 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2046 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2049 msg_Dbg( p_stream->p_input,
2050 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2051 (char*)&p_box->data.p_rmvc->i_gestaltType,
2052 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2053 p_box->data.p_rmvc->i_checkType );
2056 MP4_READBOX_EXIT( 1 );
2059 /**** ------------------------------------------------------------------- ****/
2060 /**** "Higher level" Functions ****/
2061 /**** ------------------------------------------------------------------- ****/
2066 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
2067 void (*MP4_FreeBox_function )( input_thread_t *p_input, MP4_Box_t *p_box );
2068 } MP4_Box_Function [] =
2071 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2072 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2073 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2074 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2075 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2076 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2077 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2078 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2079 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2080 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2081 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2082 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2083 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2084 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2087 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2088 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2089 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2090 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2091 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2092 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2093 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2094 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2095 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2096 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2097 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2098 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2099 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2100 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2101 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2102 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2103 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2104 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2105 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2106 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2107 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2108 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2109 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2110 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2111 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2112 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2113 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2114 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2116 /* Nothing to do with this box */
2117 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2118 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2119 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2120 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2123 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2124 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2125 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2126 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2127 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2128 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2129 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2130 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2131 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2132 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2133 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2134 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2135 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2136 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2137 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2138 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2139 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2140 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2141 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2142 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2144 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2145 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2146 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2147 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2148 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2149 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2150 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2151 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2152 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2153 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2154 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2155 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2156 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2157 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2158 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2159 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2160 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2161 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2162 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2163 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2164 { FOURCC_mjht, NULL, NULL },
2165 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2166 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2167 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2168 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2170 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2172 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2174 /* XXX there is 2 box where we could find this entry stbl and tref*/
2175 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2177 /* found in tref box */
2178 { FOURCC_dpnd, NULL, NULL },
2179 { FOURCC_ipir, NULL, NULL },
2180 { FOURCC_mpod, NULL, NULL },
2183 { FOURCC_rtp, NULL, NULL },
2186 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2187 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2188 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2189 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2197 /*****************************************************************************
2198 * MP4_ReadBox : parse the actual box and the children
2199 * XXX : Do not go to the next box
2200 *****************************************************************************/
2201 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father )
2204 unsigned int i_index;
2206 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2208 msg_Warn( p_stream->p_input, "Cannot read one box" );
2211 if( !p_box->i_size )
2213 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2216 p_box->p_father = p_father;
2218 /* Now search function to call */
2219 for( i_index = 0; ; i_index++ )
2221 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2222 ( MP4_Box_Function[i_index].i_type == 0 ) )
2227 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2229 msg_Warn( p_stream->p_input,
2230 "Unknown box type %4.4s (uncompletetly loaded)",
2231 (char*)&p_box->i_type );
2237 (MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box );
2244 /*****************************************************************************
2245 * MP4_CountBox: given a box, count how many child have the requested type
2246 * FIXME : support GUUID
2247 *****************************************************************************/
2248 int MP4_CountBox( MP4_Box_t *p_box, uint32_t i_type )
2250 unsigned int i_count;
2259 p_child = p_box->p_first;
2262 if( p_child->i_type == i_type )
2266 p_child = p_child->p_next;
2273 /*****************************************************************************
2274 * MP4_FindBox: find first box with i_type child of p_box
2275 * return NULL if not found
2276 *****************************************************************************/
2278 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, uint32_t i_type )
2287 p_child = p_box->p_first;
2290 if( p_child->i_type == i_type )
2294 p_child = p_child->p_next;
2302 /*****************************************************************************
2303 * MP4_FindNextBox: find next box with thesame type and at the same level
2305 *****************************************************************************/
2306 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box )
2315 p_next = p_box->p_next;
2318 if( p_next->i_type == p_box->i_type )
2322 p_next = p_next->p_next;
2326 /*****************************************************************************
2327 * MP4_FindNbBox: find the box i_number
2328 *****************************************************************************/
2329 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, uint32_t i_number )
2331 MP4_Box_t *p_child = p_box->p_first;
2340 if( !( p_child = p_child->p_next ) )
2350 /*****************************************************************************
2351 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2353 *****************************************************************************/
2354 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2356 unsigned int i_index;
2365 p_child = p_box->p_first;
2368 p_next = p_child->p_next;
2369 MP4_BoxFree( p_input, p_child );
2370 /* MP4_FreeBoxChildren have free all data expect p_child itself */
2375 /* Now search function to call */
2376 if( p_box->data.p_data )
2378 for( i_index = 0; ; i_index++ )
2380 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2381 ( MP4_Box_Function[i_index].i_type == 0 ) )
2386 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2388 /* Should not happen */
2390 "cannot free box %4.4s, type unknown",
2391 (char*)&p_box->i_type );
2395 MP4_Box_Function[i_index].MP4_FreeBox_function( p_input, p_box );
2398 free( p_box->data.p_data );
2399 p_box->data.p_data = NULL;
2402 p_box->p_first = NULL;
2403 p_box->p_last = NULL;
2407 /*****************************************************************************
2408 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2409 *****************************************************************************
2410 * The first box is a virtual box "root" and is the father for all first
2411 * level boxes for the file, a sort of virtual contener
2412 *****************************************************************************/
2413 int MP4_BoxGetRoot( input_thread_t *p_input, MP4_Box_t *p_root )
2415 MP4_Stream_t *p_stream;
2418 MP4_SeekAbsolute( p_input, 0 ); /* Go to the begining */
2420 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2421 p_root->i_shortsize = 1;
2422 p_root->i_size = p_input->stream.p_selected_area->i_size;
2423 CreateUUID( &p_root->i_uuid, p_root->i_type );
2425 p_root->data.p_data = NULL;
2426 p_root->p_father = NULL;
2427 p_root->p_first = NULL;
2428 p_root->p_last = NULL;
2429 p_root->p_next = NULL;
2431 p_stream = MP4_InputStream( p_input );
2433 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2443 /* check if there is a cmov, if so replace
2444 compressed moov by uncompressed one */
2445 if( ( ( p_moov = MP4_FindBox( p_root, FOURCC_moov ) )&&
2446 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) ) ||
2447 ( ( p_moov = MP4_FindBox( p_root, FOURCC_foov ) )&&
2448 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) ) )
2450 /* rename the compressed moov as a box to skip */
2451 p_moov->i_type = FOURCC_skip;
2453 /* get uncompressed p_moov */
2454 p_moov = p_cmov->data.p_cmov->p_moov;
2455 p_cmov->data.p_cmov->p_moov = NULL;
2457 /* make p_root father of this new moov */
2458 p_moov->p_father = p_root;
2460 /* insert this new moov box as first child of p_root */
2461 p_moov->p_next = p_child = p_root->p_first;
2462 p_root->p_first = p_moov;
2469 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2470 MP4_Box_t *p_box, unsigned int i_level )
2476 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2477 (char*)&p_box->i_type );
2483 memset( str, (uint8_t)' ', 512 );
2484 for( i = 0; i < i_level; i++ )
2488 sprintf( str + i_level * 5, "+ %4.4s size %d",
2489 (char*)&p_box->i_type,
2490 (uint32_t)p_box->i_size );
2492 msg_Dbg( p_input, "%s", str );
2494 p_child = p_box->p_first;
2497 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2498 p_child = p_child->p_next;
2502 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2504 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2509 /*****************************************************************************
2510 *****************************************************************************
2512 ** High level methods to acces an MP4 file
2514 *****************************************************************************
2515 *****************************************************************************/
2516 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2519 if( !*ppsz_path[0] )
2526 while( (*ppsz_path)[i_len] &&
2527 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2531 if( !i_len && **ppsz_path == '/' )
2535 *ppsz_token = malloc( i_len + 1 );
2537 memcpy( *ppsz_token, *ppsz_path, i_len );
2539 (*ppsz_token)[i_len] = '\0';
2541 *ppsz_path += i_len;
2543 if( **ppsz_path == '[' )
2546 *pi_number = strtol( *ppsz_path, NULL, 10 );
2547 while( **ppsz_path && **ppsz_path != ']' )
2551 if( **ppsz_path == ']' )
2560 while( **ppsz_path == '/' )
2566 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2567 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2570 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
2580 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
2581 vasprintf( &psz_path, psz_fmt, args );
2583 i_size = strlen( psz_fmt ) + 1024;
2584 psz_path = calloc( i_size, sizeof( char ) );
2585 vsnprintf( psz_path, i_size, psz_fmt, args );
2586 psz_path[i_size - 1] = 0;
2589 if( !psz_path || !psz_path[0] )
2596 // fprintf( stderr, "path:'%s'\n", psz_path );
2597 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2603 __get_token( &psz_path, &psz_token, &i_number );
2604 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2605 // psz_path,psz_token,i_number );
2614 if( !strcmp( psz_token, "/" ) )
2617 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2619 p_box = p_box->p_father;
2630 if( !strcmp( psz_token, "." ) )
2635 if( !strcmp( psz_token, ".." ) )
2637 p_box = p_box->p_father;
2647 if( strlen( psz_token ) == 4 )
2650 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2651 psz_token[2], psz_token[3] );
2652 p_box = p_box->p_first;
2662 if( p_box->i_type == i_fourcc )
2670 p_box = p_box->p_next;
2674 if( strlen( psz_token ) == 0 )
2676 p_box = p_box->p_first;
2691 p_box = p_box->p_next;
2696 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2707 /*****************************************************************************
2708 * MP4_BoxGet: find a box given a path relative to p_box
2709 *****************************************************************************
2710 * Path Format: . .. / as usual
2711 * [number] to specifie box number ex: trak[12]
2713 * ex: /moov/trak[12]
2715 *****************************************************************************/
2716 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2719 MP4_Box_t *p_result;
2721 va_start( args, psz_fmt );
2722 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2728 /*****************************************************************************
2729 * MP4_BoxCount: count box given a path relative to p_box
2730 *****************************************************************************
2731 * Path Format: . .. / as usual
2732 * [number] to specifie box number ex: trak[12]
2734 * ex: /moov/trak[12]
2736 *****************************************************************************/
2737 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2741 MP4_Box_t *p_result, *p_next;
2743 va_start( args, psz_fmt );
2744 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2752 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2754 if( p_next->i_type == p_result->i_type)