1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 VideoLAN
5 * $Id: libmp4.c,v 1.45 2004/01/25 20:05:28 hartman Exp $
7 * Author: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
23 #include <stdlib.h> /* malloc(), free() */
26 #include <vlc/input.h>
29 # include <zlib.h> /* for compressed moov */
35 /*****************************************************************************
36 * Here are defined some macro to make life simpler but before using it
39 *****************************************************************************/
40 #define MP4_BOX_HEADERSIZE( p_box ) \
41 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
42 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
44 #define MP4_GET1BYTE( dst ) \
45 dst = *p_peek; p_peek++; i_read--
47 #define MP4_GET2BYTES( dst ) \
48 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
50 #define MP4_GET3BYTES( dst ) \
51 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
53 #define MP4_GET4BYTES( dst ) \
54 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
56 #define MP4_GETFOURCC( dst ) \
57 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
58 p_peek += 4; i_read -= 4
60 #define MP4_GET8BYTES( dst ) \
61 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
63 #define MP4_GETVERSIONFLAGS( p_void ) \
64 MP4_GET1BYTE( p_void->i_version ); \
65 MP4_GET3BYTES( p_void->i_flags )
67 #define MP4_GETSTRINGZ( p_str ) \
68 if( ( i_read > 0 )&&(p_peek[0] ) ) \
70 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
71 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
72 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
73 p_peek += strlen( p_str ) + 1; \
74 i_read -= strlen( p_str ) + 1; \
82 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
83 int64_t i_read = p_box->i_size; \
84 uint8_t *p_peek, *p_buff; \
85 i_read = p_box->i_size; \
86 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
90 if( MP4_ReadStream( p_stream, p_peek, i_read ) )\
95 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
96 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
97 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
103 #define MP4_READBOX_EXIT( i_code ) \
107 msg_Warn( p_stream->p_input, "Not enough data" ); \
112 if( p ) {free( p ); p = NULL; }
117 * The input method HAVE to be seekable
121 static uint32_t Get24bBE( uint8_t *p )
123 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
126 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
128 memcpy( p_uuid, p_buff, 16 );
131 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
133 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
134 where XXXXXXXX is the fourcc */
135 /* FIXME implement this */
138 /* some functions for mp4 encoding of variables */
140 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
147 /* date begin at 1 jan 1904 */
148 i_date += ((1904U * 365) + 17) * 24 * 60 * 60;
150 i_day = i_date / ( 60*60*24);
151 i_hour = ( i_date /( 60*60 ) ) % 60;
152 i_min = ( i_date / 60 ) % 60;
154 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
155 i_day, i_hour, i_min, i_sec );
158 /*****************************************************************************
160 *****************************************************************************/
161 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father );
163 /*****************************************************************************
164 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
165 * in the way that you can read from a memory buffer or from an input
167 *****************************************************************************/
169 /**** ------- First some function to make abstract from input -------- */
171 /****************************************************************************
172 * MP4_InputStream create an stram with an input
174 ****************************************************************************/
175 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
177 MP4_Stream_t *p_stream;
179 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
183 p_stream->b_memory = 0;
184 p_stream->p_input = p_input;
185 p_stream->i_start = 0;
186 p_stream->i_stop = 0;
187 p_stream->p_buffer = NULL;
192 /****************************************************************************
193 * MP4_MemoryStream create a memory stream
194 * if p_buffer == NULL, will allocate a buffer of i_size, else
195 * it uses p_buffer XXX you have to unallocate it yourself !
197 ****************************************************************************/
198 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
199 int i_size, uint8_t *p_buffer )
201 MP4_Stream_t *p_stream;
203 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
207 p_stream->b_memory = 1;
208 p_stream->p_input = p_input;
209 p_stream->i_start = 0;
210 p_stream->i_stop = i_size;
213 if( !( p_stream->p_buffer = malloc( i_size ) ) )
221 p_stream->p_buffer = p_buffer;
226 /****************************************************************************
227 * MP4_ReadStream read from a MP4_Stream_t
229 ****************************************************************************/
230 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
232 if( p_stream->b_memory )
234 if( i_size > p_stream->i_stop - p_stream->i_start )
236 return( VLC_EGENERIC );
239 p_stream->p_buffer + p_stream->i_start,
241 p_stream->i_start += i_size;
242 return( VLC_SUCCESS );
246 return( stream_Read( p_stream->p_input->s, p_buff, i_size ) < i_size ? VLC_EGENERIC : VLC_SUCCESS);
250 /****************************************************************************
251 * MP4_PeekStream peek from a MP4_Stream_t
253 ****************************************************************************/
254 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
256 if( p_stream->b_memory )
258 *pp_peek = p_stream->p_buffer + p_stream->i_start;
260 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
265 if( p_stream->p_input->stream.p_selected_area->i_size > 0 )
268 p_stream->p_input->stream.p_selected_area->i_size - stream_Tell( p_stream->p_input->s );
274 return( stream_Peek( p_stream->p_input->s, pp_peek, i_size ) );
278 /****************************************************************************
279 * MP4_TellStream give absolute position in the stream
280 * XXX for a memory stream give position from begining of the buffer
281 ****************************************************************************/
282 off_t MP4_TellStream( MP4_Stream_t *p_stream )
284 if( p_stream->b_memory )
286 return( p_stream->i_start );
290 return( stream_Tell( p_stream->p_input->s ) );
294 /****************************************************************************
295 * MP4_SeekStream seek in a MP4_Stream_t
297 ****************************************************************************/
298 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
300 if( p_stream->b_memory )
302 if( i_pos < p_stream->i_stop )
304 p_stream->i_start = i_pos;
305 return( VLC_SUCCESS );
309 return( VLC_EGENERIC );
314 return( stream_Seek( p_stream->p_input->s, (int64_t)i_pos ) );
320 /*****************************************************************************
321 * MP4_ReadBoxCommon : Load only common parameters for all boxes
322 *****************************************************************************
323 * p_box need to be an already allocated MP4_Box_t, and all data
324 * will only be peek not read
326 * RETURN : 0 if it fail, 1 otherwise
327 *****************************************************************************/
328 static int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
333 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
337 p_box->i_pos = MP4_TellStream( p_stream );
339 p_box->data.p_data = NULL;
340 p_box->p_father = NULL;
341 p_box->p_first = NULL;
342 p_box->p_last = NULL;
343 p_box->p_next = NULL;
345 MP4_GET4BYTES( p_box->i_shortsize );
346 MP4_GETFOURCC( p_box->i_type );
348 /* Now special case */
350 if( p_box->i_shortsize == 1 )
352 /* get the true size on 64 bits */
353 MP4_GET8BYTES( p_box->i_size );
357 p_box->i_size = p_box->i_shortsize;
358 /* XXX size of 0 means that the box extends to end of file */
361 if( p_box->i_type == FOURCC_uuid )
363 /* get extented type on 16 bytes */
364 GetUUID( &p_box->i_uuid, p_peek );
365 p_peek += 16; i_read -= 16;
369 CreateUUID( &p_box->i_uuid, p_box->i_type );
374 msg_Dbg( p_stream->p_input, "found Box: %4.4s size "I64Fd,
375 (char*)&p_box->i_type,
384 /*****************************************************************************
385 * MP4_NextBox : Go to the next box
386 *****************************************************************************
387 * if p_box == NULL, go to the next box in witch we are( at the begining ).
388 *****************************************************************************/
389 static int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
395 MP4_ReadBoxCommon( p_stream, &box );
401 return( 2 ); /* Box with infinite size */
404 if( p_box->p_father )
406 /* check if it's within p-father */
407 if( p_box->i_size + p_box->i_pos >=
408 p_box->p_father->i_size + p_box->p_father->i_pos )
410 return( 0 ); /* out of bound */
413 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) ? 0 : 1 );
416 /*****************************************************************************
417 * For all known box a loader is given,
418 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
419 * after called one of theses functions, file position is unknown
420 * you need to call MP4_GotoBox to go where you want
421 *****************************************************************************/
422 static int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
426 if( MP4_TellStream( p_stream ) + 8 >
427 (off_t)(p_container->i_pos + p_container->i_size) )
429 /* there is no box to load */
435 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL )
439 /* chain this box with the father and the other at same level */
440 if( !p_container->p_first )
442 p_container->p_first = p_box;
446 p_container->p_last->p_next = p_box;
448 p_container->p_last = p_box;
449 } while( MP4_NextBox( p_stream, p_box ) == 1 );
455 static int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
457 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
459 /* container is empty, 8 stand for the first header in this box */
464 MP4_SeekStream( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
466 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
469 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
471 /* Up to now do nothing */
474 static int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
476 /* XXX sometime moov is hiden in a free box */
477 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
478 p_box->i_type == FOURCC_free )
484 i_read = MP4_PeekStream( p_stream, &p_peek, 44 );
486 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
487 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
491 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
493 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
495 msg_Warn( p_stream->p_input, "detected moov hidden in a free box ..." );
497 p_box->i_type = FOURCC_foov;
498 return MP4_ReadBoxContainer( p_stream, p_box );
504 msg_Dbg( p_stream->p_input, "skip box: \"%4.4s\"",
505 (char*)&p_box->i_type );
510 static int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
512 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
514 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
515 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
517 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
520 p_box->data.p_ftyp->i_compatible_brands =
521 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
523 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
525 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
530 p_box->data.p_ftyp->i_compatible_brands = NULL;
533 MP4_READBOX_EXIT( 1 );
536 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
538 FREE( p_box->data.p_ftyp->i_compatible_brands );
542 static int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
546 char s_creation_time[128];
547 char s_modification_time[128];
548 char s_duration[128];
550 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
552 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
554 if( p_box->data.p_mvhd->i_version )
556 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
557 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
558 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
559 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
563 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
564 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
565 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
566 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
568 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
569 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
570 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
573 for( i = 0; i < 2; i++ )
575 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
577 for( i = 0; i < 9; i++ )
579 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
581 for( i = 0; i < 6; i++ )
583 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
586 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
590 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
591 MP4_ConvertDate2Str( s_modification_time,
592 p_box->data.p_mvhd->i_modification_time );
593 if( p_box->data.p_mvhd->i_rate )
595 MP4_ConvertDate2Str( s_duration,
596 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
602 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",
605 (uint32_t)p_box->data.p_mvhd->i_timescale,
607 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
608 (float)p_box->data.p_mvhd->i_volume / 256 ,
609 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
611 MP4_READBOX_EXIT( 1 );
614 static int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
618 char s_creation_time[128];
619 char s_modification_time[128];
620 char s_duration[128];
622 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
624 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
626 if( p_box->data.p_tkhd->i_version )
628 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
629 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
630 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
631 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
632 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
636 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
637 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
638 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
639 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
640 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
643 for( i = 0; i < 2; i++ )
645 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
647 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
648 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
649 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
650 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
652 for( i = 0; i < 9; i++ )
654 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
656 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
657 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
660 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
661 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
662 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
664 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",
668 p_box->data.p_tkhd->i_track_ID,
669 p_box->data.p_tkhd->i_layer,
670 (float)p_box->data.p_tkhd->i_volume / 256 ,
671 (float)p_box->data.p_tkhd->i_width / 65536,
672 (float)p_box->data.p_tkhd->i_height / 65536 );
674 MP4_READBOX_EXIT( 1 );
678 static int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
683 char s_creation_time[128];
684 char s_modification_time[128];
685 char s_duration[128];
687 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
689 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
691 if( p_box->data.p_mdhd->i_version )
693 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
694 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
695 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
696 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
700 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
701 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
702 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
703 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
705 i_language = GetWBE( p_peek );
706 for( i = 0; i < 3; i++ )
708 p_box->data.p_mdhd->i_language[i] =
709 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
712 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
715 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
716 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
717 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
718 msg_Dbg( p_stream->p_input, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
721 (uint32_t)p_box->data.p_mdhd->i_timescale,
723 p_box->data.p_mdhd->i_language[0],
724 p_box->data.p_mdhd->i_language[1],
725 p_box->data.p_mdhd->i_language[2] );
727 MP4_READBOX_EXIT( 1 );
731 static int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
733 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
735 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
737 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
738 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
740 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
741 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
744 msg_Dbg( p_stream->p_input, "read box: \"hdlr\" hanler type %4.4s name %s",
745 (char*)&p_box->data.p_hdlr->i_handler_type,
746 p_box->data.p_hdlr->psz_name );
749 MP4_READBOX_EXIT( 1 );
752 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
754 FREE( p_box->data.p_hdlr->psz_name );
757 static int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
761 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
763 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
765 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
766 for( i = 0; i < 3; i++ )
768 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
772 msg_Dbg( p_stream->p_input, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
773 p_box->data.p_vmhd->i_graphics_mode,
774 p_box->data.p_vmhd->i_opcolor[0],
775 p_box->data.p_vmhd->i_opcolor[1],
776 p_box->data.p_vmhd->i_opcolor[2] );
778 MP4_READBOX_EXIT( 1 );
781 static int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
783 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
785 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
789 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
791 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
794 msg_Dbg( p_stream->p_input, "read box: \"smhd\" balance %f",
795 (float)p_box->data.p_smhd->i_balance / 256 );
797 MP4_READBOX_EXIT( 1 );
801 static int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
803 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
805 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
807 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
808 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
810 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
811 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
813 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
816 msg_Dbg( p_stream->p_input, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
817 p_box->data.p_hmhd->i_max_PDU_size,
818 p_box->data.p_hmhd->i_avg_PDU_size,
819 p_box->data.p_hmhd->i_max_bitrate,
820 p_box->data.p_hmhd->i_avg_bitrate );
822 MP4_READBOX_EXIT( 1 );
825 static int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
827 MP4_READBOX_ENTER( MP4_Box_data_url_t );
829 MP4_GETVERSIONFLAGS( p_box->data.p_url );
830 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
833 msg_Dbg( p_stream->p_input, "read box: \"url\" url: %s",
834 p_box->data.p_url->psz_location );
837 MP4_READBOX_EXIT( 1 );
841 static void MP4_FreeBox_url( MP4_Box_t *p_box )
843 FREE( p_box->data.p_url->psz_location )
846 static int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
848 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
850 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
852 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
853 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
856 msg_Dbg( p_stream->p_input, "read box: \"urn\" name %s location %s",
857 p_box->data.p_urn->psz_name,
858 p_box->data.p_urn->psz_location );
860 MP4_READBOX_EXIT( 1 );
862 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
864 FREE( p_box->data.p_urn->psz_name );
865 FREE( p_box->data.p_urn->psz_location );
869 static int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
871 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
873 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
875 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
877 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
878 MP4_ReadBoxContainerRaw( p_stream, p_box );
881 msg_Dbg( p_stream->p_input, "read box: \"dref\" entry-count %d",
882 p_box->data.p_dref->i_entry_count );
885 MP4_READBOX_EXIT( 1 );
889 static int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
892 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
894 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
895 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
897 p_box->data.p_stts->i_sample_count =
898 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
899 p_box->data.p_stts->i_sample_delta =
900 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
902 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
904 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
905 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
909 msg_Dbg( p_stream->p_input, "read box: \"stts\" entry-count %d",
910 p_box->data.p_stts->i_entry_count );
913 MP4_READBOX_EXIT( 1 );
916 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
918 FREE( p_box->data.p_stts->i_sample_count );
919 FREE( p_box->data.p_stts->i_sample_delta );
922 static int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
925 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
927 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
929 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
931 p_box->data.p_ctts->i_sample_count =
932 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
933 p_box->data.p_ctts->i_sample_offset =
934 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
936 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
938 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
939 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
943 msg_Dbg( p_stream->p_input, "read box: \"ctts\" entry-count %d",
944 p_box->data.p_ctts->i_entry_count );
947 MP4_READBOX_EXIT( 1 );
950 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
952 FREE( p_box->data.p_ctts->i_sample_count );
953 FREE( p_box->data.p_ctts->i_sample_offset );
956 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
959 unsigned int i_len = 0;
966 i_len = ( i_len << 7 ) + ( i_b&0x7f );
971 static int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
973 #define es_descriptor p_box->data.p_esds->es_descriptor
975 unsigned int i_flags;
978 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
980 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
983 MP4_GET1BYTE( i_type );
984 if( i_type == 0x03 ) /* MP4ESDescrTag */
986 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
989 msg_Dbg( p_stream->p_input, "found esds MPEG4ESDescr (%dBytes)",
993 MP4_GET2BYTES( es_descriptor.i_ES_ID );
994 MP4_GET1BYTE( i_flags );
995 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
996 es_descriptor.b_url = ( (i_flags&0x40) != 0);
997 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
999 es_descriptor.i_stream_priority = i_flags&0x1f;
1000 if( es_descriptor.b_stream_dependence )
1002 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1004 if( es_descriptor.b_url )
1008 MP4_GET1BYTE( i_len );
1009 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1010 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1011 es_descriptor.psz_URL[i_len] = 0;
1017 es_descriptor.psz_URL = NULL;
1019 if( es_descriptor.b_OCRstream )
1021 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1023 MP4_GET1BYTE( i_type ); /* get next type */
1026 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1028 es_descriptor.p_decConfigDescr = NULL;
1029 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1032 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1035 msg_Dbg( p_stream->p_input, "found esds MP4DecConfigDescr (%dBytes)",
1039 es_descriptor.p_decConfigDescr =
1040 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1042 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1043 MP4_GET1BYTE( i_flags );
1044 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1045 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1046 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1047 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1048 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1049 MP4_GET1BYTE( i_type );
1050 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1052 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1053 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1054 MP4_READBOX_EXIT( 1 );
1057 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1060 msg_Dbg( p_stream->p_input, "found esds MP4DecSpecificDescr (%dBytes)",
1064 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1065 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1066 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1069 MP4_READBOX_EXIT( 1 );
1071 #undef es_descriptor
1074 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1076 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1077 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1079 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1081 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1084 static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1088 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1090 /* Sanity check needed because the "wave" box does also contain an
1091 * "mp4a" box that we don't understand. */
1095 MP4_READBOX_EXIT( 1 );
1098 for( i = 0; i < 6 ; i++ )
1100 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1103 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1106 * XXX hack -> produce a copy of the nearly complete chunk
1108 p_box->data.p_sample_soun->i_qt_description = i_read;
1109 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1110 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1112 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1113 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1114 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1116 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1117 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1118 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1119 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1120 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1121 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1123 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1127 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1128 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1129 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1130 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1133 msg_Dbg( p_stream->p_input,
1134 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1135 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1136 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1138 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1142 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1143 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1144 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1145 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1147 msg_Dbg( p_stream->p_input, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1148 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1151 if( p_box->i_type == FOURCC_drms )
1153 p_box->data.p_sample_soun->p_drms =
1154 drms_alloc( p_stream->p_input->p_vlc->psz_homedir );
1156 if( p_box->data.p_sample_soun->p_drms == NULL )
1158 msg_Err( p_stream->p_input, "drms_alloc() failed" );
1162 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1165 msg_Dbg( p_stream->p_input, "read box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1166 p_box->data.p_sample_soun->i_channelcount,
1167 p_box->data.p_sample_soun->i_samplesize,
1168 (float)p_box->data.p_sample_soun->i_sampleratehi +
1169 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1172 MP4_READBOX_EXIT( 1 );
1176 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1178 if( p_box->i_type == FOURCC_drms )
1180 if( p_box->data.p_sample_soun->p_drms )
1182 drms_free( p_box->data.p_sample_soun->p_drms );
1188 static int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1192 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1194 for( i = 0; i < 6 ; i++ )
1196 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1199 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1202 * XXX hack -> produce a copy of the nearly complete chunk
1206 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1207 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1208 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1214 p_box->data.p_sample_vide->i_qt_image_description = 0;
1215 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1218 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1219 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1220 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1222 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1223 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1225 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1226 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1228 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1229 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1231 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1232 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1234 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1235 p_peek += 32; i_read -= 32;
1237 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1238 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1240 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1241 MP4_ReadBoxContainerRaw( p_stream, p_box );
1244 msg_Dbg( p_stream->p_input, "read box: \"vide\" in stsd %dx%d depth %d",
1245 p_box->data.p_sample_vide->i_width,
1246 p_box->data.p_sample_vide->i_height,
1247 p_box->data.p_sample_vide->i_depth );
1250 MP4_READBOX_EXIT( 1 );
1254 static int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1257 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1259 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1261 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1263 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1265 MP4_ReadBoxContainerRaw( p_stream, p_box );
1268 msg_Dbg( p_stream->p_input, "read box: \"stsd\" entry-count %d",
1269 p_box->data.p_stsd->i_entry_count );
1272 MP4_READBOX_EXIT( 1 );
1276 static int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1280 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1282 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1284 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1286 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1288 p_box->data.p_stsz->i_entry_size =
1289 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1291 if( !p_box->data.p_stsz->i_sample_size )
1293 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1295 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1300 msg_Dbg( p_stream->p_input, "read box: \"stsz\" sample-size %d sample-count %d",
1301 p_box->data.p_stsz->i_sample_size,
1302 p_box->data.p_stsz->i_sample_count );
1305 MP4_READBOX_EXIT( 1 );
1308 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1310 FREE( p_box->data.p_stsz->i_entry_size );
1313 static int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1317 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1319 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1321 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1323 p_box->data.p_stsc->i_first_chunk =
1324 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1325 p_box->data.p_stsc->i_samples_per_chunk =
1326 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1327 p_box->data.p_stsc->i_sample_description_index =
1328 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1330 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1332 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1333 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1334 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1338 msg_Dbg( p_stream->p_input, "read box: \"stsc\" entry-count %d",
1339 p_box->data.p_stsc->i_entry_count );
1342 MP4_READBOX_EXIT( 1 );
1345 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1347 FREE( p_box->data.p_stsc->i_first_chunk );
1348 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1349 FREE( p_box->data.p_stsc->i_sample_description_index );
1352 static int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1356 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1358 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1360 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1362 p_box->data.p_co64->i_chunk_offset =
1363 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1365 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1367 if( p_box->i_type == FOURCC_stco )
1373 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1381 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1386 msg_Dbg( p_stream->p_input, "read box: \"co64\" entry-count %d",
1387 p_box->data.p_co64->i_entry_count );
1390 MP4_READBOX_EXIT( 1 );
1393 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1395 FREE( p_box->data.p_co64->i_chunk_offset );
1398 static int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1402 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1404 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1406 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1408 p_box->data.p_stss->i_sample_number =
1409 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1411 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1414 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1415 /* XXX in libmp4 sample begin at 0 */
1416 p_box->data.p_stss->i_sample_number[i]--;
1420 msg_Dbg( p_stream->p_input, "read box: \"stss\" entry-count %d",
1421 p_box->data.p_stss->i_entry_count );
1424 MP4_READBOX_EXIT( 1 );
1427 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1429 FREE( p_box->data.p_stss->i_sample_number )
1432 static int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1436 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1438 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1441 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1443 p_box->data.p_stsh->i_shadowed_sample_number =
1444 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1446 p_box->data.p_stsh->i_sync_sample_number =
1447 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1450 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1453 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1454 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1458 msg_Dbg( p_stream->p_input, "read box: \"stsh\" entry-count %d",
1459 p_box->data.p_stsh->i_entry_count );
1461 MP4_READBOX_EXIT( 1 );
1464 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1466 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1467 FREE( p_box->data.p_stsh->i_sync_sample_number )
1471 static int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1475 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1477 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1479 p_box->data.p_stdp->i_priority =
1480 calloc( sizeof( uint16_t ), i_read / 2 );
1482 for( i = 0; i < i_read / 2 ; i++ )
1485 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1489 msg_Dbg( p_stream->p_input, "read box: \"stdp\" entry-count "I64Fd,
1493 MP4_READBOX_EXIT( 1 );
1496 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1498 FREE( p_box->data.p_stdp->i_priority )
1501 static int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1505 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1507 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1510 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1512 p_box->data.p_padb->i_reserved1 =
1513 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1514 p_box->data.p_padb->i_pad2 =
1515 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1516 p_box->data.p_padb->i_reserved2 =
1517 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1518 p_box->data.p_padb->i_pad1 =
1519 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1522 for( i = 0; i < i_read / 2 ; i++ )
1524 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1525 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1526 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1527 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1529 p_peek += 1; i_read -= 1;
1533 msg_Dbg( p_stream->p_input, "read box: \"stdp\" entry-count "I64Fd,
1537 MP4_READBOX_EXIT( 1 );
1540 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1542 FREE( p_box->data.p_padb->i_reserved1 );
1543 FREE( p_box->data.p_padb->i_pad2 );
1544 FREE( p_box->data.p_padb->i_reserved2 );
1545 FREE( p_box->data.p_padb->i_pad1 );
1548 static int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1552 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1554 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1557 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1559 p_box->data.p_elst->i_segment_duration =
1560 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1561 p_box->data.p_elst->i_media_time =
1562 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1563 p_box->data.p_elst->i_media_rate_integer =
1564 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1565 p_box->data.p_elst->i_media_rate_fraction=
1566 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1569 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1571 if( p_box->data.p_elst->i_version == 1 )
1574 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1576 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1581 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1583 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1584 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1587 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1588 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1592 msg_Dbg( p_stream->p_input, "read box: \"elst\" entry-count "I64Fd,
1596 MP4_READBOX_EXIT( 1 );
1599 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1601 FREE( p_box->data.p_elst->i_segment_duration );
1602 FREE( p_box->data.p_elst->i_media_time );
1603 FREE( p_box->data.p_elst->i_media_rate_integer );
1604 FREE( p_box->data.p_elst->i_media_rate_fraction );
1607 static int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1609 unsigned int i_language;
1612 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1614 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1616 i_language = GetWBE( p_peek );
1617 for( i = 0; i < 3; i++ )
1619 p_box->data.p_cprt->i_language[i] =
1620 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1622 p_peek += 2; i_read -= 2;
1623 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1626 msg_Dbg( p_stream->p_input, "read box: \"cprt\" language %c%c%c notice %s",
1627 p_box->data.p_cprt->i_language[0],
1628 p_box->data.p_cprt->i_language[1],
1629 p_box->data.p_cprt->i_language[2],
1630 p_box->data.p_cprt->psz_notice );
1633 MP4_READBOX_EXIT( 1 );
1636 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1638 FREE( p_box->data.p_cprt->psz_notice );
1642 static int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1644 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1646 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1648 msg_Dbg( p_stream->p_input,
1649 "read box: \"dcom\" compression algorithm : %4.4s",
1650 (char*)&p_box->data.p_dcom->i_algorithm );
1652 MP4_READBOX_EXIT( 1 );
1655 static int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1657 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1659 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1661 p_box->data.p_cmvd->i_compressed_size = i_read;
1663 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1665 msg_Dbg( p_stream->p_input, "read box: \"cmvd\" not enough memory to load data" );
1669 /* now copy compressed data */
1670 memcpy( p_box->data.p_cmvd->p_data,
1674 p_box->data.p_cmvd->b_compressed = 1;
1677 msg_Dbg( p_stream->p_input, "read box: \"cmvd\" compressed data size %d",
1678 p_box->data.p_cmvd->i_compressed_size );
1681 MP4_READBOX_EXIT( 1 );
1683 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1685 FREE( p_box->data.p_cmvd->p_data );
1689 static int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1691 MP4_Stream_t *p_stream_memory;
1702 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1704 msg_Err( p_stream->p_input, "out of memory" );
1707 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1709 if( !p_box->p_father ||
1710 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1712 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1716 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1721 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1722 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1723 p_cmvd->data.p_cmvd->p_data == NULL )
1725 msg_Warn( p_stream->p_input, "read box: \"cmov\" incomplete" );
1729 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1731 msg_Dbg( p_stream->p_input, "read box: \"cmov\" compression algorithm : %4.4s not supported",
1732 (char*)&p_dcom->data.p_dcom->i_algorithm );
1737 msg_Dbg( p_stream->p_input,
1738 "read box: \"cmov\" zlib unsupported" );
1741 /* decompress data */
1742 /* allocate a new buffer */
1743 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1745 msg_Err( p_stream->p_input,
1746 "read box: \"cmov\" not enough memory to uncompress data" );
1749 /* init default structures */
1750 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1751 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1752 z_data.next_out = p_data;
1753 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1754 z_data.zalloc = (alloc_func)Z_NULL;
1755 z_data.zfree = (free_func)Z_NULL;
1756 z_data.opaque = (voidpf)Z_NULL;
1759 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1761 msg_Err( p_stream->p_input,
1762 "read box: \"cmov\" error while uncompressing data" );
1768 i_result = inflate( &z_data, Z_NO_FLUSH );
1769 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1771 msg_Err( p_stream->p_input,
1772 "read box: \"cmov\" error while uncompressing data" );
1777 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1779 msg_Warn( p_stream->p_input,
1780 "read box: \"cmov\" uncompressing data size mismatch" );
1782 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1785 i_result = inflateEnd( &z_data );
1786 if( i_result != Z_OK )
1788 msg_Warn( p_stream->p_input,
1789 "read box: \"cmov\" error while uncompressing data (ignored)" );
1793 free( p_cmvd->data.p_cmvd->p_data );
1794 p_cmvd->data.p_cmvd->p_data = p_data;
1795 p_cmvd->data.p_cmvd->b_compressed = 0;
1797 msg_Dbg( p_stream->p_input,
1798 "read box: \"cmov\" box succesfully uncompressed" );
1800 /* now create a memory stream */
1801 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1802 p_cmvd->data.p_cmvd->i_uncompressed_size,
1803 p_cmvd->data.p_cmvd->p_data );
1805 /* and read uncompressd moov */
1806 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1808 free( p_stream_memory );
1811 msg_Dbg( p_stream->p_input,
1812 "read box: \"cmov\" compressed movie header completed" );
1814 return( p_box->data.p_cmov->p_moov ? 1 : 0 );
1815 #endif /* HAVE_ZLIB_H */
1818 static int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1821 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1823 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1824 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1825 MP4_GET4BYTES( i_len );
1829 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1830 for( i = 0; i < i_len; i++ )
1832 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1834 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1838 p_box->data.p_rdrf->psz_ref = NULL;
1842 msg_Dbg( p_stream->p_input,
1843 "read box: \"rdrf\" type:%4.4s ref %s",
1844 (char*)&p_box->data.p_rdrf->i_ref_type,
1845 p_box->data.p_rdrf->psz_ref );
1848 MP4_READBOX_EXIT( 1 );
1851 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1853 FREE( p_box->data.p_rdrf->psz_ref )
1857 static int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1859 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1861 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1863 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1866 msg_Dbg( p_stream->p_input,
1867 "read box: \"rmdr\" rate:%d",
1868 p_box->data.p_rmdr->i_rate );
1870 MP4_READBOX_EXIT( 1 );
1873 static int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1875 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1877 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1880 msg_Dbg( p_stream->p_input,
1881 "read box: \"rmqu\" quality:%d",
1882 p_box->data.p_rmqu->i_quality );
1884 MP4_READBOX_EXIT( 1 );
1887 static int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1889 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1890 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1892 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1893 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1894 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1895 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1898 msg_Dbg( p_stream->p_input,
1899 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1900 (char*)&p_box->data.p_rmvc->i_gestaltType,
1901 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1902 p_box->data.p_rmvc->i_checkType );
1905 MP4_READBOX_EXIT( 1 );
1908 static int MP4_ReadBox_drms( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1910 MP4_Box_t *p_drms_box = p_box;
1912 MP4_READBOX_ENTER( uint8_t );
1916 p_drms_box = p_drms_box->p_father;
1917 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
1919 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
1921 if( drms_init( p_drms_box->data.p_sample_soun->p_drms,
1922 p_box->i_type, p_peek, i_read ) )
1924 msg_Err( p_stream->p_input, "drms_init( %4.4s ) failed",
1925 (char *)&p_box->i_type );
1927 drms_free( p_drms_box->data.p_sample_soun->p_drms );
1928 p_drms_box->data.p_sample_soun->p_drms = NULL;
1932 MP4_READBOX_EXIT( 1 );
1936 /**** ------------------------------------------------------------------- ****/
1937 /**** "Higher level" Functions ****/
1938 /**** ------------------------------------------------------------------- ****/
1943 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
1944 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
1945 } MP4_Box_Function [] =
1948 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1949 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1950 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1951 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1952 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1953 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1954 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1955 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1956 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1957 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1958 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1959 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1960 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1961 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1962 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1963 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1966 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
1967 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
1968 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
1969 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
1970 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
1971 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
1972 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
1973 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
1974 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
1975 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
1976 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
1977 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
1978 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
1979 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
1980 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
1981 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
1982 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
1983 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1984 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1985 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
1986 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
1987 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
1988 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
1989 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
1990 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
1991 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
1992 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
1993 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
1995 /* Nothing to do with this box */
1996 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1997 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1998 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1999 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2002 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2003 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2004 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2005 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2006 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2007 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2008 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2009 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2010 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2011 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2012 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2013 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2014 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2015 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2016 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2017 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2018 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2019 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2020 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2021 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2022 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
2024 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2025 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2026 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2027 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2028 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2029 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2030 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2031 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2032 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2033 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2034 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2035 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2036 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2037 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2038 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2039 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2040 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2041 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2042 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2043 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
2044 { FOURCC_mjht, NULL, NULL },
2045 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2046 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2047 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2048 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2050 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
2052 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2054 /* XXX there is 2 box where we could find this entry stbl and tref*/
2055 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2057 /* found in tref box */
2058 { FOURCC_dpnd, NULL, NULL },
2059 { FOURCC_ipir, NULL, NULL },
2060 { FOURCC_mpod, NULL, NULL },
2063 { FOURCC_rtp, NULL, NULL },
2066 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2067 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2068 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2069 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2071 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2072 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2073 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2074 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2075 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2076 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2077 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2078 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2086 /*****************************************************************************
2087 * MP4_ReadBox : parse the actual box and the children
2088 * XXX : Do not go to the next box
2089 *****************************************************************************/
2090 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father )
2092 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2093 unsigned int i_index;
2095 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2097 msg_Warn( p_stream->p_input, "cannot read one box" );
2101 if( !p_box->i_size )
2103 msg_Dbg( p_stream->p_input, "found an empty box (null size)" );
2107 p_box->p_father = p_father;
2109 /* Now search function to call */
2110 for( i_index = 0; ; i_index++ )
2112 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2113 ( MP4_Box_Function[i_index].i_type == 0 ) )
2118 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2120 msg_Warn( p_stream->p_input,
2121 "unknown box type %4.4s (uncompletetly loaded)",
2122 (char*)&p_box->i_type );
2124 else if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2133 /*****************************************************************************
2134 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2136 *****************************************************************************/
2137 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2139 unsigned int i_index;
2147 for( p_child = p_box->p_first; p_child != NULL; )
2151 p_next = p_child->p_next;
2152 MP4_BoxFree( p_input, p_child );
2156 /* Now search function to call */
2157 if( p_box->data.p_data )
2159 for( i_index = 0; ; i_index++ )
2161 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2162 ( MP4_Box_Function[i_index].i_type == 0 ) )
2167 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2169 /* Should not happen */
2171 "cannot free box %4.4s, type unknown",
2172 (char*)&p_box->i_type );
2176 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2179 free( p_box->data.p_data );
2185 /*****************************************************************************
2186 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2187 *****************************************************************************
2188 * The first box is a virtual box "root" and is the father for all first
2189 * level boxes for the file, a sort of virtual contener
2190 *****************************************************************************/
2191 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input )
2194 MP4_Stream_t *p_stream;
2197 p_root = malloc( sizeof( MP4_Box_t ) );
2199 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2200 p_root->i_shortsize = 1;
2201 p_root->i_size = p_input->stream.p_selected_area->i_size;
2202 CreateUUID( &p_root->i_uuid, p_root->i_type );
2204 p_root->data.p_data = NULL;
2205 p_root->p_father = NULL;
2206 p_root->p_first = NULL;
2207 p_root->p_last = NULL;
2208 p_root->p_next = NULL;
2210 p_stream = MP4_InputStream( p_input );
2212 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2222 /* check if there is a cmov, if so replace
2223 compressed moov by uncompressed one */
2224 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2225 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2226 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2227 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2229 /* rename the compressed moov as a box to skip */
2230 p_moov->i_type = FOURCC_skip;
2232 /* get uncompressed p_moov */
2233 p_moov = p_cmov->data.p_cmov->p_moov;
2234 p_cmov->data.p_cmov->p_moov = NULL;
2236 /* make p_root father of this new moov */
2237 p_moov->p_father = p_root;
2239 /* insert this new moov box as first child of p_root */
2240 p_moov->p_next = p_child = p_root->p_first;
2241 p_root->p_first = p_moov;
2249 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2250 MP4_Box_t *p_box, unsigned int i_level )
2256 msg_Dbg( p_input, "dumping root Box \"%4.4s\"",
2257 (char*)&p_box->i_type );
2263 memset( str, (uint8_t)' ', 512 );
2264 for( i = 0; i < i_level; i++ )
2268 sprintf( str + i_level * 5, "+ %4.4s size %d",
2269 (char*)&p_box->i_type,
2270 (uint32_t)p_box->i_size );
2272 msg_Dbg( p_input, "%s", str );
2274 p_child = p_box->p_first;
2277 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2278 p_child = p_child->p_next;
2282 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2284 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2289 /*****************************************************************************
2290 *****************************************************************************
2292 ** High level methods to acces an MP4 file
2294 *****************************************************************************
2295 *****************************************************************************/
2296 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2299 if( !*ppsz_path[0] )
2306 while( (*ppsz_path)[i_len] &&
2307 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2311 if( !i_len && **ppsz_path == '/' )
2315 *ppsz_token = malloc( i_len + 1 );
2317 memcpy( *ppsz_token, *ppsz_path, i_len );
2319 (*ppsz_token)[i_len] = '\0';
2321 *ppsz_path += i_len;
2323 if( **ppsz_path == '[' )
2326 *pi_number = strtol( *ppsz_path, NULL, 10 );
2327 while( **ppsz_path && **ppsz_path != ']' )
2331 if( **ppsz_path == ']' )
2340 while( **ppsz_path == '/' )
2346 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2347 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2357 vasprintf( &psz_path, psz_fmt, args );
2359 if( !psz_path || !psz_path[0] )
2366 // fprintf( stderr, "path:'%s'\n", psz_path );
2367 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2373 __get_token( &psz_path, &psz_token, &i_number );
2374 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2375 // psz_path,psz_token,i_number );
2384 if( !strcmp( psz_token, "/" ) )
2387 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2389 p_box = p_box->p_father;
2400 if( !strcmp( psz_token, "." ) )
2405 if( !strcmp( psz_token, ".." ) )
2407 p_box = p_box->p_father;
2417 if( strlen( psz_token ) == 4 )
2420 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2421 psz_token[2], psz_token[3] );
2422 p_box = p_box->p_first;
2432 if( p_box->i_type == i_fourcc )
2440 p_box = p_box->p_next;
2444 if( strlen( psz_token ) == 0 )
2446 p_box = p_box->p_first;
2461 p_box = p_box->p_next;
2466 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2477 /*****************************************************************************
2478 * MP4_BoxGet: find a box given a path relative to p_box
2479 *****************************************************************************
2480 * Path Format: . .. / as usual
2481 * [number] to specifie box number ex: trak[12]
2483 * ex: /moov/trak[12]
2485 *****************************************************************************/
2486 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2489 MP4_Box_t *p_result;
2491 va_start( args, psz_fmt );
2492 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2498 /*****************************************************************************
2499 * MP4_BoxCount: count box given a path relative to p_box
2500 *****************************************************************************
2501 * Path Format: . .. / as usual
2502 * [number] to specifie box number ex: trak[12]
2504 * ex: /moov/trak[12]
2506 *****************************************************************************/
2507 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2511 MP4_Box_t *p_result, *p_next;
2513 va_start( args, psz_fmt );
2514 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2522 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2524 if( p_next->i_type == p_result->i_type)