1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.22 2003/04/24 20:49:54 fenrir Exp $
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
22 #include <stdlib.h> /* malloc(), free() */
24 #include <string.h> /* strdup() */
26 #include <sys/types.h>
29 #include <vlc/input.h>
32 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 * XXX: All macro are written in capital letters
43 *****************************************************************************/
44 #define MP4_BOX_HEADERSIZE( p_box ) \
45 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
46 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
48 #define MP4_BOX_DESCEND( p_box ) \
49 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) )
51 #define MP4_GET1BYTE( dst ) \
52 dst = *p_peek; p_peek++; i_read--
54 #define MP4_GET2BYTES( dst ) \
55 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
57 #define MP4_GET3BYTES( dst ) \
58 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
60 #define MP4_GET4BYTES( dst ) \
61 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
63 #define MP4_GETFOURCC( dst ) \
64 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
65 p_peek += 4; i_read -= 4
67 #define MP4_GET8BYTES( dst ) \
68 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
70 #define MP4_GETVERSIONFLAGS( p_void ) \
71 MP4_GET1BYTE( p_void->i_version ); \
72 MP4_GET3BYTES( p_void->i_flags )
74 #define MP4_GETSTRINGZ( p_str ) \
75 if( ( i_read > 0 )&&(p_peek[0] ) ) \
77 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
78 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
79 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
80 p_peek += strlen( p_str ) + 1; \
81 i_read -= strlen( p_str ) + 1; \
89 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
90 int64_t i_read = p_box->i_size; \
91 uint8_t *p_peek, *p_buff; \
92 i_read = p_box->i_size; \
93 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
97 if( !MP4_ReadStream( p_stream, p_peek, i_read ) )\
102 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
103 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
104 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
110 #define MP4_READBOX_EXIT( i_code ) \
114 msg_Warn( p_stream->p_input, "Not enougth data" ); \
119 if( p ) {free( p ); p = NULL; }
124 * The input method HAVE to be seekable
128 /* Some functions to manipulate memory */
129 static uint16_t GetWLE( uint8_t *p_buff )
131 return( (p_buff[0]) + ( p_buff[1] <<8 ) );
134 static uint32_t GetDWLE( uint8_t *p_buff )
136 return( p_buff[0] + ( p_buff[1] <<8 ) +
137 ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
140 static uint16_t GetWBE( uint8_t *p_buff )
142 return( (p_buff[0]<<8) + p_buff[1] );
145 static uint32_t Get24bBE( uint8_t *p_buff )
147 return( ( p_buff[0] <<16 ) + ( p_buff[1] <<8 ) + p_buff[2] );
151 static uint32_t GetDWBE( uint8_t *p_buff )
153 return( (p_buff[0] << 24) + ( p_buff[1] <<16 ) +
154 ( p_buff[2] <<8 ) + p_buff[3] );
157 static uint64_t GetQWBE( uint8_t *p_buff )
159 return( ( (uint64_t)GetDWBE( p_buff ) << 32 )|( (uint64_t)GetDWBE( p_buff + 4 ) ) );
163 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
170 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
172 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
173 where XXXXXXXX is the fourcc */
174 /* FIXME implement this */
177 /* some functions for mp4 encoding of variables */
179 void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
186 i_day = i_date / ( 60*60*24);
187 i_hour = ( i_date /( 60*60 ) ) % 60;
188 i_min = ( i_date / 60 ) % 60;
190 /* FIXME do it correctly, date begin at 1 jan 1904 */
191 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
192 i_day, i_hour, i_min, i_sec );
196 static void DataDump( uint8_t *p_data, int i_data )
199 fprintf( stderr, "\nDumping %d bytes\n", i_data );
200 for( i = 0; i < i_data; i++ )
205 if( c < 32 || c > 127 ) c = '.';
206 fprintf( stderr, "%c", c );
207 if( i % 60 == 59 ) fprintf( stderr, "\n" );
209 fprintf( stderr, "\n" );
213 /*****************************************************************************
214 * Some basic functions to manipulate stream more easily in vlc
216 * MP4_TellAbsolute get file position
218 * MP4_SeekAbsolute seek in the file
220 * MP4_ReadData read data from the file in a buffer
222 *****************************************************************************/
223 off_t MP4_TellAbsolute( input_thread_t *p_input )
227 vlc_mutex_lock( &p_input->stream.stream_lock );
229 i_pos= p_input->stream.p_selected_area->i_tell;
230 // ( p_input->p_last_data - p_input->p_current_data );
232 vlc_mutex_unlock( &p_input->stream.stream_lock );
237 int MP4_SeekAbsolute( input_thread_t *p_input,
242 if( i_pos >= p_input->stream.p_selected_area->i_size )
247 i_filepos = MP4_TellAbsolute( p_input );
248 if( i_pos != i_filepos )
250 input_AccessReinit( p_input );
251 p_input->pf_seek( p_input, i_pos );
256 /* return 1 if success, 0 if fail */
257 int MP4_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size )
259 data_packet_t *p_data;
271 i_read = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
276 memcpy( p_buff, p_data->p_payload_start, i_read );
277 input_DeletePacket( p_input->p_method_data, p_data );
287 /*****************************************************************************
288 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
289 * in the way that you can read from a memory buffer or from an input
291 *****************************************************************************/
293 /**** ------- First some function to make abstract from input -------- */
295 /****************************************************************************
296 * MP4_InputStream create an stram with an input
298 ****************************************************************************/
299 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
301 MP4_Stream_t *p_stream;
303 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
307 p_stream->b_memory = 0;
308 p_stream->p_input = p_input;
309 p_stream->i_start = 0;
310 p_stream->i_stop = 0;
311 p_stream->p_buffer = NULL;
316 /****************************************************************************
317 * MP4_MemoryStream create a memory stream
318 * if p_buffer == NULL, will allocate a buffer of i_size, else
319 * it uses p_buffer XXX you have to unallocate it yourself !
321 ****************************************************************************/
322 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
323 int i_size, uint8_t *p_buffer )
325 MP4_Stream_t *p_stream;
327 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
331 p_stream->b_memory = 1;
332 p_stream->p_input = p_input;
333 p_stream->i_start = 0;
334 p_stream->i_stop = i_size;
337 if( !( p_stream->p_buffer = malloc( i_size ) ) )
345 p_stream->p_buffer = p_buffer;
350 /****************************************************************************
351 * MP4_ReadStream read from a MP4_Stream_t
353 ****************************************************************************/
354 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
356 if( p_stream->b_memory )
358 if( i_size > p_stream->i_stop - p_stream->i_start )
363 p_stream->p_buffer + p_stream->i_start,
365 p_stream->i_start += i_size;
370 return( MP4_ReadData( p_stream->p_input, p_buff, i_size ) );
374 /****************************************************************************
375 * MP4_PeekStream peek from a MP4_Stream_t
377 ****************************************************************************/
378 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
380 if( p_stream->b_memory )
382 *pp_peek = p_stream->p_buffer + p_stream->i_start;
384 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
388 return( input_Peek( p_stream->p_input, pp_peek, i_size ) );
392 /****************************************************************************
393 * MP4_TellStream give absolute position in the stream
394 * XXX for a memory stream give position from begining of the buffer
395 ****************************************************************************/
396 off_t MP4_TellStream( MP4_Stream_t *p_stream )
398 if( p_stream->b_memory )
400 return( p_stream->i_start );
404 return( MP4_TellAbsolute( p_stream->p_input ) );
408 /****************************************************************************
409 * MP4_SeekStream seek in a MP4_Stream_t
411 ****************************************************************************/
412 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
414 if( p_stream->b_memory )
416 if( i_pos < p_stream->i_stop )
418 p_stream->i_start = i_pos;
428 return( MP4_SeekAbsolute( p_stream->p_input, i_pos ) );
434 /*****************************************************************************
435 * MP4_ReadBoxCommon : Load only common parameters for all boxes
436 *****************************************************************************
437 * p_box need to be an already allocated MP4_Box_t, and all data
438 * will only be peek not read
440 * RETURN : 0 if it fail, 1 otherwise
441 *****************************************************************************/
442 int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
447 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
451 p_box->i_pos = MP4_TellStream( p_stream );
453 p_box->data.p_data = NULL;
454 p_box->p_father = NULL;
455 p_box->p_first = NULL;
456 p_box->p_last = NULL;
457 p_box->p_next = NULL;
459 MP4_GET4BYTES( p_box->i_shortsize );
460 MP4_GETFOURCC( p_box->i_type );
462 /* Now special case */
464 if( p_box->i_shortsize == 1 )
466 /* get the true size on 64 bits */
467 MP4_GET8BYTES( p_box->i_size );
471 p_box->i_size = p_box->i_shortsize;
472 /* XXX size of 0 means that the box extends to end of file */
475 if( p_box->i_type == FOURCC_uuid )
477 /* get extented type on 16 bytes */
478 GetUUID( &p_box->i_uuid, p_peek );
479 p_peek += 16; i_read -= 16;
483 CreateUUID( &p_box->i_uuid, p_box->i_type );
488 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size "I64Fd,
489 (char*)&p_box->i_type,
498 /*****************************************************************************
499 * MP4_MP4_NextBox : Go to the next box
500 *****************************************************************************
501 * if p_box == NULL, go to the next box in witch we are( at the begining ).
502 *****************************************************************************/
503 int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
509 MP4_ReadBoxCommon( p_stream, &box );
515 return( 2 ); /* Box with infinite size */
518 if( p_box->p_father )
520 /* check if it's within p-father */
521 if( p_box->i_size + p_box->i_pos >=
522 p_box->p_father->i_size + p_box->p_father->i_pos )
524 return( 0 ); /* out of bound */
527 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) );
529 /*****************************************************************************
530 * MP4_MP4_GotoBox : Go to this particular box
531 *****************************************************************************
532 * RETURN : 0 if it fail, 1 otherwise
533 *****************************************************************************/
534 int MP4_GotoBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
536 return( MP4_SeekStream( p_stream, p_box->i_pos ) );
540 /*****************************************************************************
541 * For all known box a loader is given,
542 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
543 * after called one of theses functions, file position is unknown
544 * you need to call MP4_GotoBox to go where you want
545 *****************************************************************************/
546 int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
550 if( MP4_TellStream( p_stream ) + 8 >
551 (off_t)(p_container->i_pos + p_container->i_size) )
553 /* there is no box to load */
559 p_box = malloc( sizeof( MP4_Box_t ) );
561 if( MP4_ReadBox( p_stream, p_box , p_container ) )
563 /* chain this box with the father and the other at same level */
564 if( !p_container->p_first )
566 p_container->p_first = p_box;
570 p_container->p_last->p_next = p_box;
572 p_container->p_last = p_box;
581 }while( MP4_NextBox( p_stream, p_box ) == 1 );
587 int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
590 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
592 /* container is empty, 8 stand for the first header in this box */
597 MP4_BOX_DESCEND( p_container );
599 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
602 void MP4_FreeBox_Common( input_thread_t *p_input, MP4_Box_t *p_box )
604 /* Up to now do nothing */
607 int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
611 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
612 (char*)&p_box->i_type );
617 int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
619 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
621 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
622 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
624 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
627 p_box->data.p_ftyp->i_compatible_brands =
628 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
630 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
632 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
637 p_box->data.p_ftyp->i_compatible_brands = NULL;
640 MP4_READBOX_EXIT( 1 );
643 void MP4_FreeBox_ftyp( input_thread_t *p_input, MP4_Box_t *p_box )
645 FREE( p_box->data.p_ftyp->i_compatible_brands );
649 int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
653 char s_creation_time[128];
654 char s_modification_time[128];
655 char s_duration[128];
657 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
659 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
661 if( p_box->data.p_mvhd->i_version )
663 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
664 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
665 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
666 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
670 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
671 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
672 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
673 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
675 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
676 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
677 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
680 for( i = 0; i < 2; i++ )
682 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
684 for( i = 0; i < 9; i++ )
686 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
688 for( i = 0; i < 6; i++ )
690 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
693 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
697 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
698 MP4_ConvertDate2Str( s_modification_time,
699 p_box->data.p_mvhd->i_modification_time );
700 if( p_box->data.p_mvhd->i_rate )
702 MP4_ConvertDate2Str( s_duration,
703 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
709 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",
712 (uint32_t)p_box->data.p_mvhd->i_timescale,
714 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
715 (float)p_box->data.p_mvhd->i_volume / 256 ,
716 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
718 MP4_READBOX_EXIT( 1 );
721 int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
725 char s_creation_time[128];
726 char s_modification_time[128];
727 char s_duration[128];
729 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
731 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
733 if( p_box->data.p_tkhd->i_version )
735 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
736 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
737 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
738 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
739 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
743 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
744 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
745 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
746 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
747 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
750 for( i = 0; i < 2; i++ )
752 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
754 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
755 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
756 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
757 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
759 for( i = 0; i < 9; i++ )
761 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
763 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
764 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
767 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
768 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
769 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
771 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",
775 p_box->data.p_tkhd->i_track_ID,
776 p_box->data.p_tkhd->i_layer,
777 (float)p_box->data.p_tkhd->i_volume / 256 ,
778 (float)p_box->data.p_tkhd->i_width / 65536,
779 (float)p_box->data.p_tkhd->i_height / 65536 );
781 MP4_READBOX_EXIT( 1 );
784 int MP4_ReadBox_tref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
787 if( p_box->i_size < (size_t)MP4_BOX_HEADERSIZE(p_box ) + 8 )
789 /* container is empty, 8 stand for the first header in this box */
793 if( !MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) ) )
798 MP4_ReadBoxContainerRaw( p_stream, p_box );
801 msg_Dbg( p_stream->p_input, "Read Box: \"tref\" " );
809 int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
814 char s_creation_time[128];
815 char s_modification_time[128];
816 char s_duration[128];
818 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
820 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
822 if( p_box->data.p_mdhd->i_version )
824 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
825 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
826 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
827 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
831 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
832 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
833 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
834 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
836 i_language = GetWBE( p_peek );
837 for( i = 0; i < 3; i++ )
839 p_box->data.p_mdhd->i_language[i] =
840 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
843 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
846 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
847 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
848 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
849 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
852 (uint32_t)p_box->data.p_mdhd->i_timescale,
854 p_box->data.p_mdhd->i_language[0],
855 p_box->data.p_mdhd->i_language[1],
856 p_box->data.p_mdhd->i_language[2] );
858 MP4_READBOX_EXIT( 1 );
862 int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
864 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
866 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
868 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
869 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
871 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
872 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
875 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
876 (char*)&p_box->data.p_hdlr->i_handler_type,
877 p_box->data.p_hdlr->psz_name );
880 MP4_READBOX_EXIT( 1 );
883 void MP4_FreeBox_hdlr( input_thread_t *p_input, MP4_Box_t *p_box )
885 FREE( p_box->data.p_hdlr->psz_name );
888 int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
892 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
894 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
896 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
897 for( i = 0; i < 3; i++ )
899 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
903 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
904 p_box->data.p_vmhd->i_graphics_mode,
905 p_box->data.p_vmhd->i_opcolor[0],
906 p_box->data.p_vmhd->i_opcolor[1],
907 p_box->data.p_vmhd->i_opcolor[2] );
909 MP4_READBOX_EXIT( 1 );
912 int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
914 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
916 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
920 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
922 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
925 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
926 (float)p_box->data.p_smhd->i_balance / 256 );
928 MP4_READBOX_EXIT( 1 );
932 int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
934 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
936 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
938 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
939 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
941 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
942 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
944 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
947 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
948 p_box->data.p_hmhd->i_max_PDU_size,
949 p_box->data.p_hmhd->i_avg_PDU_size,
950 p_box->data.p_hmhd->i_max_bitrate,
951 p_box->data.p_hmhd->i_avg_bitrate );
953 MP4_READBOX_EXIT( 1 );
956 int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
958 MP4_READBOX_ENTER( MP4_Box_data_url_t );
960 MP4_GETVERSIONFLAGS( p_box->data.p_url );
961 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
964 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
965 p_box->data.p_url->psz_location );
968 MP4_READBOX_EXIT( 1 );
972 void MP4_FreeBox_url( input_thread_t *p_input, MP4_Box_t *p_box )
974 FREE( p_box->data.p_url->psz_location )
977 int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
979 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
981 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
983 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
984 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
987 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
988 p_box->data.p_urn->psz_name,
989 p_box->data.p_urn->psz_location );
991 MP4_READBOX_EXIT( 1 );
993 void MP4_FreeBox_urn( input_thread_t *p_input, MP4_Box_t *p_box )
995 FREE( p_box->data.p_urn->psz_name );
996 FREE( p_box->data.p_urn->psz_location );
1000 int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1002 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
1004 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
1006 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
1008 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1009 MP4_ReadBoxContainerRaw( p_stream, p_box );
1012 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
1013 p_box->data.p_dref->i_entry_count );
1016 MP4_READBOX_EXIT( 1 );
1020 int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1023 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
1025 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
1026 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
1028 p_box->data.p_stts->i_sample_count =
1029 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1030 p_box->data.p_stts->i_sample_delta =
1031 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
1033 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
1035 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
1036 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
1040 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
1041 p_box->data.p_stts->i_entry_count );
1044 MP4_READBOX_EXIT( 1 );
1047 void MP4_FreeBox_stts( input_thread_t *p_input, MP4_Box_t *p_box )
1049 FREE( p_box->data.p_stts->i_sample_count );
1050 FREE( p_box->data.p_stts->i_sample_delta );
1053 int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1056 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
1058 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
1060 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
1062 p_box->data.p_ctts->i_sample_count =
1063 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1064 p_box->data.p_ctts->i_sample_offset =
1065 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
1067 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
1069 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
1070 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
1074 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
1075 p_box->data.p_ctts->i_entry_count );
1078 MP4_READBOX_EXIT( 1 );
1081 void MP4_FreeBox_ctts( input_thread_t *p_input, MP4_Box_t *p_box )
1083 FREE( p_box->data.p_ctts->i_sample_count );
1084 FREE( p_box->data.p_ctts->i_sample_offset );
1087 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
1090 unsigned int i_len = 0;
1097 i_len = ( i_len << 7 ) + ( i_b&0x7f );
1098 } while( i_b&0x80 );
1102 int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1104 #define es_descriptor p_box->data.p_esds->es_descriptor
1106 unsigned int i_flags;
1107 unsigned int i_type;
1109 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
1111 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
1114 MP4_GET1BYTE( i_type );
1115 if( i_type == 0x03 ) /* MP4ESDescrTag */
1117 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1119 MP4_GET2BYTES( es_descriptor.i_ES_ID );
1120 MP4_GET1BYTE( i_flags );
1121 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
1122 es_descriptor.b_url = ( (i_flags&0x40) != 0);
1123 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
1125 es_descriptor.i_stream_priority = i_flags&0x1f;
1126 if( es_descriptor.b_stream_dependence )
1128 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1130 if( es_descriptor.b_url )
1134 MP4_GET1BYTE( i_len );
1135 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1136 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1137 es_descriptor.psz_URL[i_len] = 0;
1143 es_descriptor.psz_URL = NULL;
1145 if( es_descriptor.b_OCRstream )
1147 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1149 MP4_GET1BYTE( i_type ); /* get next type */
1152 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1154 es_descriptor.p_decConfigDescr = NULL;
1155 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1158 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1159 es_descriptor.p_decConfigDescr =
1160 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1162 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1163 MP4_GET1BYTE( i_flags );
1164 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1165 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1166 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1167 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1168 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1169 MP4_GET1BYTE( i_type );
1170 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1172 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1173 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1174 MP4_READBOX_EXIT( 1 );
1177 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1178 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1179 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1180 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1183 MP4_READBOX_EXIT( 1 );
1185 #undef es_descriptor
1188 void MP4_FreeBox_esds( input_thread_t *p_input, MP4_Box_t *p_box )
1190 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1191 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1193 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1195 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1198 int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1202 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1204 for( i = 0; i < 6 ; i++ )
1206 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1209 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1212 * XXX hack -> produce a copy of the nearly complete chunk
1216 p_box->data.p_sample_soun->i_qt_description = i_read;
1217 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1218 memcpy( p_box->data.p_sample_soun->p_qt_description,
1224 p_box->data.p_sample_soun->i_qt_description = 0;
1225 p_box->data.p_sample_soun->p_qt_description = NULL;
1228 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1229 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1230 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1233 for( i = 0; i < 2 ; i++ )
1235 MP4_GET4BYTES( p_box->data.p_sample_soun->i_reserved2[i] );
1239 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1240 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1241 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1242 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1243 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1244 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1246 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1250 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1251 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1252 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1253 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1256 msg_Dbg( p_stream->p_input,
1257 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1258 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1259 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1261 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1265 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1266 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1267 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1268 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1270 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1271 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1273 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1276 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1277 p_box->data.p_sample_soun->i_channelcount,
1278 p_box->data.p_sample_soun->i_samplesize,
1279 (float)p_box->data.p_sample_soun->i_sampleratehi +
1280 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1283 MP4_READBOX_EXIT( 1 );
1287 int MP4_ReadBox_sample_mp4a( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1291 MP4_READBOX_ENTER( MP4_Box_data_sample_mp4a_t );
1293 for( i = 0; i < 6 ; i++ )
1295 MP4_GET1BYTE( p_box->data.p_sample_mp4a->i_reserved1[i] );
1298 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_data_reference_index );
1300 for( i = 0; i < 2 ; i++ )
1302 MP4_GET4BYTES( p_box->data.p_sample_mp4a->i_reserved2[i] );
1305 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_channelcount );
1306 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_samplesize );
1307 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_predefined );
1308 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_reserved3 );
1309 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_sampleratehi );
1310 MP4_GET2BYTES( p_box->data.p_sample_mp4a->i_sampleratelo );
1312 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1313 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1316 msg_Dbg( p_stream->p_input, "Read Box: \"mp4a\" in stsd channel %d sample size %d sampl rate %f",
1317 p_box->data.p_sample_mp4a->i_channelcount,
1318 p_box->data.p_sample_mp4a->i_samplesize,
1319 (float)p_box->data.p_sample_mp4a->i_sampleratehi +
1320 (float)p_box->data.p_sample_mp4a->i_sampleratelo / 65536 );
1323 MP4_READBOX_EXIT( 1 );
1327 int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1331 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1333 for( i = 0; i < 6 ; i++ )
1335 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1338 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1341 * XXX hack -> produce a copy of the nearly complete chunk
1345 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1346 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1347 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1353 p_box->data.p_sample_vide->i_qt_image_description = 0;
1354 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1357 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1358 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1359 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1361 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1362 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1364 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1365 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1367 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1368 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1370 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1371 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1373 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1374 p_peek += 32; i_read -= 32;
1376 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1377 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1379 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1380 MP4_ReadBoxContainerRaw( p_stream, p_box );
1383 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1384 p_box->data.p_sample_vide->i_width,
1385 p_box->data.p_sample_vide->i_height,
1386 p_box->data.p_sample_vide->i_depth );
1389 MP4_READBOX_EXIT( 1 );
1393 int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1396 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1398 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1400 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1402 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1404 MP4_ReadBoxContainerRaw( p_stream, p_box );
1407 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1408 p_box->data.p_stsd->i_entry_count );
1411 MP4_READBOX_EXIT( 1 );
1415 int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1419 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1421 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1423 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1425 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1427 p_box->data.p_stsz->i_entry_size =
1428 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1430 if( !p_box->data.p_stsz->i_sample_size )
1432 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1434 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1439 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1440 p_box->data.p_stsz->i_sample_size,
1441 p_box->data.p_stsz->i_sample_count );
1444 MP4_READBOX_EXIT( 1 );
1447 void MP4_FreeBox_stsz( input_thread_t *p_input, MP4_Box_t *p_box )
1449 FREE( p_box->data.p_stsz->i_entry_size );
1452 int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1456 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1458 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1460 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1462 p_box->data.p_stsc->i_first_chunk =
1463 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1464 p_box->data.p_stsc->i_samples_per_chunk =
1465 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1466 p_box->data.p_stsc->i_sample_description_index =
1467 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1469 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1471 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1472 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1473 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1477 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1478 p_box->data.p_stsc->i_entry_count );
1481 MP4_READBOX_EXIT( 1 );
1484 void MP4_FreeBox_stsc( input_thread_t *p_input, MP4_Box_t *p_box )
1486 FREE( p_box->data.p_stsc->i_first_chunk );
1487 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1488 FREE( p_box->data.p_stsc->i_sample_description_index );
1491 int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1495 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1497 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1499 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1501 p_box->data.p_co64->i_chunk_offset =
1502 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1504 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1506 if( p_box->i_type == FOURCC_stco )
1512 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1520 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1525 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1526 p_box->data.p_co64->i_entry_count );
1529 MP4_READBOX_EXIT( 1 );
1532 void MP4_FreeBox_stco_co64( input_thread_t *p_input, MP4_Box_t *p_box )
1534 FREE( p_box->data.p_co64->i_chunk_offset );
1537 int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1541 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1543 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1545 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1547 p_box->data.p_stss->i_sample_number =
1548 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1550 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1553 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1554 /* XXX in libmp4 sample begin at 0 */
1555 p_box->data.p_stss->i_sample_number[i]--;
1559 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1560 p_box->data.p_stss->i_entry_count );
1563 MP4_READBOX_EXIT( 1 );
1566 void MP4_FreeBox_stss( input_thread_t *p_input, MP4_Box_t *p_box )
1568 FREE( p_box->data.p_stss->i_sample_number )
1571 int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1575 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1577 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1580 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1582 p_box->data.p_stsh->i_shadowed_sample_number =
1583 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1585 p_box->data.p_stsh->i_sync_sample_number =
1586 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1589 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1592 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1593 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1597 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1598 p_box->data.p_stsh->i_entry_count );
1600 MP4_READBOX_EXIT( 1 );
1603 void MP4_FreeBox_stsh( input_thread_t *p_input, MP4_Box_t *p_box )
1605 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1606 FREE( p_box->data.p_stsh->i_sync_sample_number )
1610 int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1614 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1616 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1618 p_box->data.p_stdp->i_priority =
1619 calloc( sizeof( uint16_t ), i_read / 2 );
1621 for( i = 0; i < i_read / 2 ; i++ )
1624 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1628 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1632 MP4_READBOX_EXIT( 1 );
1635 void MP4_FreeBox_stdp( input_thread_t *p_input, MP4_Box_t *p_box )
1637 FREE( p_box->data.p_stdp->i_priority )
1640 int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1644 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1646 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1649 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1651 p_box->data.p_padb->i_reserved1 =
1652 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1653 p_box->data.p_padb->i_pad2 =
1654 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1655 p_box->data.p_padb->i_reserved2 =
1656 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1657 p_box->data.p_padb->i_pad1 =
1658 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1661 for( i = 0; i < i_read / 2 ; i++ )
1663 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1664 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1665 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1666 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1668 p_peek += 1; i_read -= 1;
1672 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1676 MP4_READBOX_EXIT( 1 );
1679 void MP4_FreeBox_padb( input_thread_t *p_input, MP4_Box_t *p_box )
1681 FREE( p_box->data.p_padb->i_reserved1 );
1682 FREE( p_box->data.p_padb->i_pad2 );
1683 FREE( p_box->data.p_padb->i_reserved2 );
1684 FREE( p_box->data.p_padb->i_pad1 );
1687 int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1691 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1693 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1696 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1698 p_box->data.p_elst->i_segment_duration =
1699 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1700 p_box->data.p_elst->i_media_time =
1701 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1702 p_box->data.p_elst->i_media_rate_integer =
1703 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1704 p_box->data.p_elst->i_media_rate_fraction=
1705 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1708 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1710 if( p_box->data.p_elst->i_version == 1 )
1713 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1715 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1720 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1722 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1725 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1726 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1730 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1734 MP4_READBOX_EXIT( 1 );
1737 void MP4_FreeBox_elst( input_thread_t *p_input, MP4_Box_t *p_box )
1739 FREE( p_box->data.p_elst->i_segment_duration );
1740 FREE( p_box->data.p_elst->i_media_time );
1741 FREE( p_box->data.p_elst->i_media_rate_integer );
1742 FREE( p_box->data.p_elst->i_media_rate_fraction );
1745 int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1747 unsigned int i_language;
1750 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1752 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1754 i_language = GetWBE( p_peek );
1755 for( i = 0; i < 3; i++ )
1757 p_box->data.p_cprt->i_language[i] =
1758 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1760 p_peek += 2; i_read -= 2;
1761 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1764 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1765 p_box->data.p_cprt->i_language[0],
1766 p_box->data.p_cprt->i_language[1],
1767 p_box->data.p_cprt->i_language[2],
1768 p_box->data.p_cprt->psz_notice );
1771 MP4_READBOX_EXIT( 1 );
1774 void MP4_FreeBox_cprt( input_thread_t *p_input, MP4_Box_t *p_box )
1776 FREE( p_box->data.p_cprt->psz_notice );
1780 int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1782 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1784 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1786 msg_Dbg( p_stream->p_input,
1787 "Read Box: \"dcom\" compression algorithm : %4.4s",
1788 (char*)&p_box->data.p_dcom->i_algorithm );
1790 MP4_READBOX_EXIT( 1 );
1793 int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1795 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1797 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1799 p_box->data.p_cmvd->i_compressed_size = i_read;
1801 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1803 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1807 /* now copy compressed data */
1808 memcpy( p_box->data.p_cmvd->p_data,
1812 p_box->data.p_cmvd->b_compressed = 1;
1815 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1816 p_box->data.p_cmvd->i_compressed_size );
1819 MP4_READBOX_EXIT( 1 );
1821 void MP4_FreeBox_cmvd( input_thread_t *p_input, MP4_Box_t *p_box )
1823 FREE( p_box->data.p_cmvd->p_data );
1827 int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1829 MP4_Stream_t *p_stream_memory;
1841 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1843 msg_Err( p_stream->p_input, "out of memory" );
1846 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1848 if( !( p_box->p_father )||
1849 ( p_box->p_father->i_type != FOURCC_moov ) )
1851 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1855 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1860 if( !( p_dcom = MP4_FindBox( p_box, FOURCC_dcom ) )||
1861 !( p_cmvd = MP4_FindBox( p_box, FOURCC_cmvd ) )||
1862 !( p_cmvd->data.p_cmvd->p_data ) )
1864 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1868 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1870 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1871 (char*)&p_dcom->data.p_dcom->i_algorithm );
1876 msg_Dbg( p_stream->p_input,
1877 "Read Box: \"cmov\" zlib unsupported" );
1880 /* decompress data */
1881 /* allocate a new buffer */
1882 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1884 msg_Err( p_stream->p_input,
1885 "Read Box: \"cmov\" not enough memory to uncompress data" );
1888 /* init default structures */
1889 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1890 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1891 z_data.next_out = p_data;
1892 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1893 z_data.zalloc = (alloc_func)Z_NULL;
1894 z_data.zfree = (free_func)Z_NULL;
1895 z_data.opaque = (voidpf)Z_NULL;
1898 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1900 msg_Err( p_stream->p_input,
1901 "Read Box: \"cmov\" error while uncompressing data" );
1907 i_result = inflate( &z_data, Z_NO_FLUSH );
1908 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1910 msg_Err( p_stream->p_input,
1911 "Read Box: \"cmov\" error while uncompressing data" );
1916 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1918 msg_Warn( p_stream->p_input,
1919 "Read Box: \"cmov\" uncompressing data size mismatch" );
1921 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1924 i_result = inflateEnd( &z_data );
1925 if( i_result != Z_OK )
1927 msg_Warn( p_stream->p_input,
1928 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1932 free( p_cmvd->data.p_cmvd->p_data );
1933 p_cmvd->data.p_cmvd->p_data = p_data;
1934 p_cmvd->data.p_cmvd->b_compressed = 0;
1936 msg_Dbg( p_stream->p_input,
1937 "Read Box: \"cmov\" box succesfully uncompressed" );
1939 //DataDump( p_data, p_cmvd->data.p_cmvd->i_uncompressed_size );
1940 /* now create a memory stream */
1941 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1942 p_cmvd->data.p_cmvd->i_uncompressed_size,
1943 p_cmvd->data.p_cmvd->p_data );
1945 //DataDump( p_stream_memory->p_buffer, p_stream_memory->i_stop );
1947 /* and read uncompressd moov */
1948 p_umov = malloc( sizeof( MP4_Box_t ) );
1950 i_result = MP4_ReadBox( p_stream_memory, p_umov, NULL );
1952 p_box->data.p_cmov->p_moov = p_umov;
1953 free( p_stream_memory );
1956 msg_Dbg( p_stream->p_input,
1957 "Read Box: \"cmov\" compressed movie header completed" );
1960 #endif /* HAVE_ZLIB_H */
1963 int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1966 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1968 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1969 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1970 MP4_GET4BYTES( i_len );
1974 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1975 for( i = 0; i < i_len; i++ )
1977 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1979 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1983 p_box->data.p_rdrf->psz_ref = NULL;
1987 msg_Dbg( p_stream->p_input,
1988 "Read Box: \"rdrf\" type:%4.4s ref %s",
1989 (char*)&p_box->data.p_rdrf->i_ref_type,
1990 p_box->data.p_rdrf->psz_ref );
1993 MP4_READBOX_EXIT( 1 );
1995 void MP4_FreeBox_rdrf( input_thread_t *p_input, MP4_Box_t *p_box )
1997 FREE( p_box->data.p_rdrf->psz_ref )
2001 int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2003 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2005 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2007 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2010 msg_Dbg( p_stream->p_input,
2011 "Read Box: \"rmdr\" rate:%d",
2012 p_box->data.p_rmdr->i_rate );
2014 MP4_READBOX_EXIT( 1 );
2017 int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2019 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2021 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2024 msg_Dbg( p_stream->p_input,
2025 "Read Box: \"rmqu\" quality:%d",
2026 p_box->data.p_rmqu->i_quality );
2028 MP4_READBOX_EXIT( 1 );
2031 int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
2033 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2034 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2036 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2037 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2038 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2039 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2042 msg_Dbg( p_stream->p_input,
2043 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2044 (char*)&p_box->data.p_rmvc->i_gestaltType,
2045 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2046 p_box->data.p_rmvc->i_checkType );
2049 MP4_READBOX_EXIT( 1 );
2052 /**** ------------------------------------------------------------------- ****/
2053 /**** "Higher level" Functions ****/
2054 /**** ------------------------------------------------------------------- ****/
2059 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
2060 void (*MP4_FreeBox_function )( input_thread_t *p_input, MP4_Box_t *p_box );
2061 } MP4_Box_Function [] =
2064 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2065 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2066 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2067 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2068 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2069 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2070 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2071 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2072 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2073 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2074 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2075 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2076 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2079 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2080 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2081 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2082 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2083 { FOURCC_tref, MP4_ReadBox_tref, MP4_FreeBox_Common },
2084 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2085 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2086 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2087 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2088 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2089 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2090 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2091 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2092 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2093 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2094 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2095 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2096 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2097 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2098 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2099 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2100 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2101 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2102 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2103 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2104 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2105 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2106 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2107 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2109 /* Nothing to do with this box */
2110 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2111 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2112 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2113 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2116 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2117 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2118 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2119 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2120 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2121 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2122 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2123 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2124 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2125 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2126 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2127 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2128 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2129 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2130 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2131 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2132 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2133 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2134 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2136 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2137 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2138 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2139 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2140 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2141 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2142 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2143 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2144 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2145 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2146 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2147 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2148 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2149 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2150 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2151 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2152 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2153 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2154 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2155 { FOURCC_mjht, NULL, NULL },
2156 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2157 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2159 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2161 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2163 /* XXX there is 2 box where we could find this entry stbl and tref*/
2164 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2166 /* found in tref box */
2167 { FOURCC_dpnd, NULL, NULL },
2168 { FOURCC_ipir, NULL, NULL },
2169 { FOURCC_mpod, NULL, NULL },
2172 { FOURCC_rtp, NULL, NULL },
2175 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2176 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2177 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2178 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2186 /*****************************************************************************
2187 * MP4_ReadBox : parse the actual box and the children
2188 * XXX : Do not go to the next box
2189 *****************************************************************************/
2190 int MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box, MP4_Box_t *p_father )
2193 unsigned int i_index;
2195 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2197 msg_Warn( p_stream->p_input, "Cannot read one box" );
2200 if( !p_box->i_size )
2202 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2205 p_box->p_father = p_father;
2207 /* Now search function to call */
2208 for( i_index = 0; ; i_index++ )
2210 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2211 ( MP4_Box_Function[i_index].i_type == 0 ) )
2216 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2218 msg_Warn( p_stream->p_input,
2219 "Unknown box type %4.4s (uncompletetly loaded)",
2220 (char*)&p_box->i_type );
2226 (MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box );
2229 if( !MP4_GotoBox( p_stream, p_box ) )
2236 /*****************************************************************************
2237 * MP4_CountBox: given a box, count how many child have the requested type
2238 * FIXME : support GUUID
2239 *****************************************************************************/
2240 int MP4_CountBox( MP4_Box_t *p_box, uint32_t i_type )
2242 unsigned int i_count;
2251 p_child = p_box->p_first;
2254 if( p_child->i_type == i_type )
2258 p_child = p_child->p_next;
2265 /*****************************************************************************
2266 * MP4_FindBox: find first box with i_type child of p_box
2267 * return NULL if not found
2268 *****************************************************************************/
2270 MP4_Box_t *MP4_FindBox( MP4_Box_t *p_box, uint32_t i_type )
2279 p_child = p_box->p_first;
2282 if( p_child->i_type == i_type )
2286 p_child = p_child->p_next;
2294 /*****************************************************************************
2295 * MP4_FindNextBox: find next box with thesame type and at the same level
2297 *****************************************************************************/
2298 MP4_Box_t *MP4_FindNextBox( MP4_Box_t *p_box )
2307 p_next = p_box->p_next;
2310 if( p_next->i_type == p_box->i_type )
2314 p_next = p_next->p_next;
2318 /*****************************************************************************
2319 * MP4_FindNbBox: find the box i_number
2320 *****************************************************************************/
2321 MP4_Box_t *MP4_FindNbBox( MP4_Box_t *p_box, uint32_t i_number )
2323 MP4_Box_t *p_child = p_box->p_first;
2332 if( !( p_child = p_child->p_next ) )
2342 /*****************************************************************************
2343 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2345 *****************************************************************************/
2346 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2348 unsigned int i_index;
2357 p_child = p_box->p_first;
2360 p_next = p_child->p_next;
2361 MP4_BoxFree( p_input, p_child );
2362 /* MP4_FreeBoxChildren have free all data expect p_child itself */
2367 /* Now search function to call */
2368 if( p_box->data.p_data )
2370 for( i_index = 0; ; i_index++ )
2372 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2373 ( MP4_Box_Function[i_index].i_type == 0 ) )
2378 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2380 /* Should not happen */
2382 "cannot free box %4.4s, type unknown",
2383 (char*)&p_box->i_type );
2387 MP4_Box_Function[i_index].MP4_FreeBox_function( p_input, p_box );
2390 free( p_box->data.p_data );
2391 p_box->data.p_data = NULL;
2394 p_box->p_first = NULL;
2395 p_box->p_last = NULL;
2399 /*****************************************************************************
2400 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2401 *****************************************************************************
2402 * The first box is a virtual box "root" and is the father for all first
2403 * level boxes for the file, a sort of virtual contener
2404 *****************************************************************************/
2405 int MP4_BoxGetRoot( input_thread_t *p_input, MP4_Box_t *p_root )
2407 MP4_Stream_t *p_stream;
2410 MP4_SeekAbsolute( p_input, 0 ); /* Go to the begining */
2412 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2413 p_root->i_shortsize = 1;
2414 p_root->i_size = p_input->stream.p_selected_area->i_size;
2415 CreateUUID( &p_root->i_uuid, p_root->i_type );
2417 p_root->data.p_data = NULL;
2418 p_root->p_father = NULL;
2419 p_root->p_first = NULL;
2420 p_root->p_last = NULL;
2421 p_root->p_next = NULL;
2423 p_stream = MP4_InputStream( p_input );
2425 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2435 /* check if there is a cmov, if so replace
2436 compressed moov by uncompressed one */
2437 if( ( p_moov = MP4_FindBox( p_root, FOURCC_moov ) )&&
2438 ( p_cmov = MP4_FindBox( p_moov, FOURCC_cmov ) ) )
2440 /* rename the compressed moov as a box to skip */
2441 p_moov->i_type = FOURCC_skip;
2443 /* get uncompressed p_moov */
2444 p_moov = p_cmov->data.p_cmov->p_moov;
2445 p_cmov->data.p_cmov->p_moov = NULL;
2447 /* make p_root father of this new moov */
2448 p_moov->p_father = p_root;
2450 /* insert this new moov box as first child of p_root */
2451 p_moov->p_next = p_child = p_root->p_first;
2452 p_root->p_first = p_moov;
2459 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2460 MP4_Box_t *p_box, unsigned int i_level )
2466 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2467 (char*)&p_box->i_type );
2473 memset( str, (uint8_t)' ', 512 );
2474 for( i = 0; i < i_level; i++ )
2478 sprintf( str + i_level * 5, "+ %4.4s size %d",
2479 (char*)&p_box->i_type,
2480 (uint32_t)p_box->i_size );
2482 msg_Dbg( p_input, "%s", str );
2484 p_child = p_box->p_first;
2487 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2488 p_child = p_child->p_next;
2492 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2494 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2499 /*****************************************************************************
2500 *****************************************************************************
2502 ** High level methods to acces an MP4 file
2504 *****************************************************************************
2505 *****************************************************************************/
2506 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2509 if( !*ppsz_path[0] )
2516 while( (*ppsz_path)[i_len] &&
2517 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2521 if( !i_len && **ppsz_path == '/' )
2525 *ppsz_token = malloc( i_len + 1 );
2527 memcpy( *ppsz_token, *ppsz_path, i_len );
2529 (*ppsz_token)[i_len] = '\0';
2531 *ppsz_path += i_len;
2533 if( **ppsz_path == '[' )
2536 *pi_number = strtol( *ppsz_path, NULL, 10 );
2537 while( **ppsz_path && **ppsz_path != ']' )
2541 if( **ppsz_path == ']' )
2550 while( **ppsz_path == '/' )
2556 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2557 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2560 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN)
2570 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN)
2571 vasprintf( &psz_path, psz_fmt, args );
2573 i_size = strlen( psz_fmt ) + 1024;
2574 psz_path = calloc( i_size, sizeof( char ) );
2575 vsnprintf( psz_path, i_size, psz_fmt, args );
2576 psz_path[i_size - 1] = 0;
2579 if( !psz_path || !psz_path[0] )
2586 // fprintf( stderr, "path:'%s'\n", psz_path );
2587 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2593 __get_token( &psz_path, &psz_token, &i_number );
2594 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2595 // psz_path,psz_token,i_number );
2604 if( !strcmp( psz_token, "/" ) )
2607 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2609 p_box = p_box->p_father;
2620 if( !strcmp( psz_token, "." ) )
2625 if( !strcmp( psz_token, ".." ) )
2627 p_box = p_box->p_father;
2637 if( strlen( psz_token ) == 4 )
2640 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2641 psz_token[2], psz_token[3] );
2642 p_box = p_box->p_first;
2652 if( p_box->i_type == i_fourcc )
2660 p_box = p_box->p_next;
2664 if( strlen( psz_token ) == 0 )
2666 p_box = p_box->p_first;
2681 p_box = p_box->p_next;
2686 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2697 /*****************************************************************************
2698 * MP4_BoxGet: find a box given a path relative to p_box
2699 *****************************************************************************
2700 * Path Format: . .. / as usual
2701 * [number] to specifie box number ex: trak[12]
2703 * ex: /moov/trak[12]
2705 *****************************************************************************/
2706 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2709 MP4_Box_t *p_result;
2711 va_start( args, psz_fmt );
2712 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2718 /*****************************************************************************
2719 * MP4_BoxCount: count box given a path relative to p_box
2720 *****************************************************************************
2721 * Path Format: . .. / as usual
2722 * [number] to specifie box number ex: trak[12]
2724 * ex: /moov/trak[12]
2726 *****************************************************************************/
2727 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2731 MP4_Box_t *p_result, *p_next;
2733 va_start( args, psz_fmt );
2734 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2742 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2744 if( p_next->i_type == p_result->i_type)