1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.37 2003/12/02 13:31:23 gbazin 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() */
25 #include <vlc/input.h>
28 # include <zlib.h> /* for compressed moov */
33 /*****************************************************************************
34 * Here are defined some macro to make life simpler but before using it
37 *****************************************************************************/
38 #define MP4_BOX_HEADERSIZE( p_box ) \
39 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
40 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
42 #define MP4_GET1BYTE( dst ) \
43 dst = *p_peek; p_peek++; i_read--
45 #define MP4_GET2BYTES( dst ) \
46 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
48 #define MP4_GET3BYTES( dst ) \
49 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
51 #define MP4_GET4BYTES( dst ) \
52 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
54 #define MP4_GETFOURCC( dst ) \
55 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
56 p_peek += 4; i_read -= 4
58 #define MP4_GET8BYTES( dst ) \
59 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
61 #define MP4_GETVERSIONFLAGS( p_void ) \
62 MP4_GET1BYTE( p_void->i_version ); \
63 MP4_GET3BYTES( p_void->i_flags )
65 #define MP4_GETSTRINGZ( p_str ) \
66 if( ( i_read > 0 )&&(p_peek[0] ) ) \
68 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
69 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
70 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
71 p_peek += strlen( p_str ) + 1; \
72 i_read -= strlen( p_str ) + 1; \
80 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
81 int64_t i_read = p_box->i_size; \
82 uint8_t *p_peek, *p_buff; \
83 i_read = p_box->i_size; \
84 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
88 if( MP4_ReadStream( p_stream, p_peek, i_read ) )\
93 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
94 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
95 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
101 #define MP4_READBOX_EXIT( i_code ) \
105 msg_Warn( p_stream->p_input, "Not enougth data" ); \
110 if( p ) {free( p ); p = NULL; }
115 * The input method HAVE to be seekable
119 static uint32_t Get24bBE( uint8_t *p )
121 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
124 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
126 memcpy( p_uuid, p_buff, 16 );
129 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
131 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
132 where XXXXXXXX is the fourcc */
133 /* FIXME implement this */
136 /* some functions for mp4 encoding of variables */
138 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
145 /* date begin at 1 jan 1904 */
146 i_date += ((1904U * 365) + 17) * 24 * 60 * 60;
148 i_day = i_date / ( 60*60*24);
149 i_hour = ( i_date /( 60*60 ) ) % 60;
150 i_min = ( i_date / 60 ) % 60;
152 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
153 i_day, i_hour, i_min, i_sec );
156 /*****************************************************************************
158 *****************************************************************************/
159 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father );
161 /*****************************************************************************
162 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
163 * in the way that you can read from a memory buffer or from an input
165 *****************************************************************************/
167 /**** ------- First some function to make abstract from input -------- */
169 /****************************************************************************
170 * MP4_InputStream create an stram with an input
172 ****************************************************************************/
173 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
175 MP4_Stream_t *p_stream;
177 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
181 p_stream->b_memory = 0;
182 p_stream->p_input = p_input;
183 p_stream->i_start = 0;
184 p_stream->i_stop = 0;
185 p_stream->p_buffer = NULL;
190 /****************************************************************************
191 * MP4_MemoryStream create a memory stream
192 * if p_buffer == NULL, will allocate a buffer of i_size, else
193 * it uses p_buffer XXX you have to unallocate it yourself !
195 ****************************************************************************/
196 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
197 int i_size, uint8_t *p_buffer )
199 MP4_Stream_t *p_stream;
201 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
205 p_stream->b_memory = 1;
206 p_stream->p_input = p_input;
207 p_stream->i_start = 0;
208 p_stream->i_stop = i_size;
211 if( !( p_stream->p_buffer = malloc( i_size ) ) )
219 p_stream->p_buffer = p_buffer;
224 /****************************************************************************
225 * MP4_ReadStream read from a MP4_Stream_t
227 ****************************************************************************/
228 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
230 if( p_stream->b_memory )
232 if( i_size > p_stream->i_stop - p_stream->i_start )
234 return( VLC_EGENERIC );
237 p_stream->p_buffer + p_stream->i_start,
239 p_stream->i_start += i_size;
240 return( VLC_SUCCESS );
244 return( stream_Read( p_stream->p_input->s, p_buff, i_size ) < i_size ? VLC_EGENERIC : VLC_SUCCESS);
248 /****************************************************************************
249 * MP4_PeekStream peek from a MP4_Stream_t
251 ****************************************************************************/
252 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
254 if( p_stream->b_memory )
256 *pp_peek = p_stream->p_buffer + p_stream->i_start;
258 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
263 if( p_stream->p_input->stream.p_selected_area->i_size > 0 )
266 p_stream->p_input->stream.p_selected_area->i_size - stream_Tell( p_stream->p_input->s );
272 return( stream_Peek( p_stream->p_input->s, pp_peek, i_size ) );
276 /****************************************************************************
277 * MP4_TellStream give absolute position in the stream
278 * XXX for a memory stream give position from begining of the buffer
279 ****************************************************************************/
280 off_t MP4_TellStream( MP4_Stream_t *p_stream )
282 if( p_stream->b_memory )
284 return( p_stream->i_start );
288 return( stream_Tell( p_stream->p_input->s ) );
292 /****************************************************************************
293 * MP4_SeekStream seek in a MP4_Stream_t
295 ****************************************************************************/
296 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
298 if( p_stream->b_memory )
300 if( i_pos < p_stream->i_stop )
302 p_stream->i_start = i_pos;
303 return( VLC_SUCCESS );
307 return( VLC_EGENERIC );
312 return( stream_Seek( p_stream->p_input->s, (int64_t)i_pos ) );
318 /*****************************************************************************
319 * MP4_ReadBoxCommon : Load only common parameters for all boxes
320 *****************************************************************************
321 * p_box need to be an already allocated MP4_Box_t, and all data
322 * will only be peek not read
324 * RETURN : 0 if it fail, 1 otherwise
325 *****************************************************************************/
326 static int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
331 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
335 p_box->i_pos = MP4_TellStream( p_stream );
337 p_box->data.p_data = NULL;
338 p_box->p_father = NULL;
339 p_box->p_first = NULL;
340 p_box->p_last = NULL;
341 p_box->p_next = NULL;
343 MP4_GET4BYTES( p_box->i_shortsize );
344 MP4_GETFOURCC( p_box->i_type );
346 /* Now special case */
348 if( p_box->i_shortsize == 1 )
350 /* get the true size on 64 bits */
351 MP4_GET8BYTES( p_box->i_size );
355 p_box->i_size = p_box->i_shortsize;
356 /* XXX size of 0 means that the box extends to end of file */
359 if( p_box->i_type == FOURCC_uuid )
361 /* get extented type on 16 bytes */
362 GetUUID( &p_box->i_uuid, p_peek );
363 p_peek += 16; i_read -= 16;
367 CreateUUID( &p_box->i_uuid, p_box->i_type );
372 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size "I64Fd,
373 (char*)&p_box->i_type,
382 /*****************************************************************************
383 * MP4_NextBox : Go to the next box
384 *****************************************************************************
385 * if p_box == NULL, go to the next box in witch we are( at the begining ).
386 *****************************************************************************/
387 static int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
393 MP4_ReadBoxCommon( p_stream, &box );
399 return( 2 ); /* Box with infinite size */
402 if( p_box->p_father )
404 /* check if it's within p-father */
405 if( p_box->i_size + p_box->i_pos >=
406 p_box->p_father->i_size + p_box->p_father->i_pos )
408 return( 0 ); /* out of bound */
411 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) ? 0 : 1 );
414 /*****************************************************************************
415 * For all known box a loader is given,
416 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
417 * after called one of theses functions, file position is unknown
418 * you need to call MP4_GotoBox to go where you want
419 *****************************************************************************/
420 static int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
424 if( MP4_TellStream( p_stream ) + 8 >
425 (off_t)(p_container->i_pos + p_container->i_size) )
427 /* there is no box to load */
433 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL )
437 /* chain this box with the father and the other at same level */
438 if( !p_container->p_first )
440 p_container->p_first = p_box;
444 p_container->p_last->p_next = p_box;
446 p_container->p_last = p_box;
447 } while( MP4_NextBox( p_stream, p_box ) == 1 );
453 static int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
455 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
457 /* container is empty, 8 stand for the first header in this box */
462 MP4_SeekStream( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
464 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
467 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
469 /* Up to now do nothing */
472 static int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
474 /* XXX sometime moov is hiden in a free box */
475 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
476 p_box->i_type == FOURCC_free )
482 i_read = MP4_PeekStream( p_stream, &p_peek, 44 );
484 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
485 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
489 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
491 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
493 msg_Warn( p_stream->p_input, "Detected moov hidden in a free box ..." );
495 p_box->i_type = FOURCC_foov;
496 return MP4_ReadBoxContainer( p_stream, p_box );
502 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
503 (char*)&p_box->i_type );
508 static int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
510 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
512 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
513 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
515 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
518 p_box->data.p_ftyp->i_compatible_brands =
519 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
521 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
523 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
528 p_box->data.p_ftyp->i_compatible_brands = NULL;
531 MP4_READBOX_EXIT( 1 );
534 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
536 FREE( p_box->data.p_ftyp->i_compatible_brands );
540 static int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
544 char s_creation_time[128];
545 char s_modification_time[128];
546 char s_duration[128];
548 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
550 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
552 if( p_box->data.p_mvhd->i_version )
554 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
555 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
556 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
557 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
561 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
562 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
563 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
564 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
566 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
567 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
568 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
571 for( i = 0; i < 2; i++ )
573 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
575 for( i = 0; i < 9; i++ )
577 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
579 for( i = 0; i < 6; i++ )
581 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
584 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
588 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
589 MP4_ConvertDate2Str( s_modification_time,
590 p_box->data.p_mvhd->i_modification_time );
591 if( p_box->data.p_mvhd->i_rate )
593 MP4_ConvertDate2Str( s_duration,
594 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
600 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",
603 (uint32_t)p_box->data.p_mvhd->i_timescale,
605 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
606 (float)p_box->data.p_mvhd->i_volume / 256 ,
607 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
609 MP4_READBOX_EXIT( 1 );
612 static int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
616 char s_creation_time[128];
617 char s_modification_time[128];
618 char s_duration[128];
620 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
622 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
624 if( p_box->data.p_tkhd->i_version )
626 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
627 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
628 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
629 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
630 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
634 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
635 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
636 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
637 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
638 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
641 for( i = 0; i < 2; i++ )
643 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
645 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
646 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
647 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
648 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
650 for( i = 0; i < 9; i++ )
652 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
654 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
655 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
658 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
659 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
660 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
662 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",
666 p_box->data.p_tkhd->i_track_ID,
667 p_box->data.p_tkhd->i_layer,
668 (float)p_box->data.p_tkhd->i_volume / 256 ,
669 (float)p_box->data.p_tkhd->i_width / 65536,
670 (float)p_box->data.p_tkhd->i_height / 65536 );
672 MP4_READBOX_EXIT( 1 );
676 static int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
681 char s_creation_time[128];
682 char s_modification_time[128];
683 char s_duration[128];
685 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
687 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
689 if( p_box->data.p_mdhd->i_version )
691 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
692 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
693 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
694 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
698 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
699 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
700 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
701 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
703 i_language = GetWBE( p_peek );
704 for( i = 0; i < 3; i++ )
706 p_box->data.p_mdhd->i_language[i] =
707 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
710 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
713 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
714 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
715 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
716 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
719 (uint32_t)p_box->data.p_mdhd->i_timescale,
721 p_box->data.p_mdhd->i_language[0],
722 p_box->data.p_mdhd->i_language[1],
723 p_box->data.p_mdhd->i_language[2] );
725 MP4_READBOX_EXIT( 1 );
729 static int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
731 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
733 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
735 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
736 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
738 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
739 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
742 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
743 (char*)&p_box->data.p_hdlr->i_handler_type,
744 p_box->data.p_hdlr->psz_name );
747 MP4_READBOX_EXIT( 1 );
750 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
752 FREE( p_box->data.p_hdlr->psz_name );
755 static int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
759 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
761 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
763 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
764 for( i = 0; i < 3; i++ )
766 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
770 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
771 p_box->data.p_vmhd->i_graphics_mode,
772 p_box->data.p_vmhd->i_opcolor[0],
773 p_box->data.p_vmhd->i_opcolor[1],
774 p_box->data.p_vmhd->i_opcolor[2] );
776 MP4_READBOX_EXIT( 1 );
779 static int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
781 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
783 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
787 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
789 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
792 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
793 (float)p_box->data.p_smhd->i_balance / 256 );
795 MP4_READBOX_EXIT( 1 );
799 static int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
801 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
803 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
805 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
806 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
808 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
809 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
811 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
814 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
815 p_box->data.p_hmhd->i_max_PDU_size,
816 p_box->data.p_hmhd->i_avg_PDU_size,
817 p_box->data.p_hmhd->i_max_bitrate,
818 p_box->data.p_hmhd->i_avg_bitrate );
820 MP4_READBOX_EXIT( 1 );
823 static int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
825 MP4_READBOX_ENTER( MP4_Box_data_url_t );
827 MP4_GETVERSIONFLAGS( p_box->data.p_url );
828 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
831 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
832 p_box->data.p_url->psz_location );
835 MP4_READBOX_EXIT( 1 );
839 static void MP4_FreeBox_url( MP4_Box_t *p_box )
841 FREE( p_box->data.p_url->psz_location )
844 static int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
846 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
848 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
850 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
851 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
854 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
855 p_box->data.p_urn->psz_name,
856 p_box->data.p_urn->psz_location );
858 MP4_READBOX_EXIT( 1 );
860 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
862 FREE( p_box->data.p_urn->psz_name );
863 FREE( p_box->data.p_urn->psz_location );
867 static int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
869 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
871 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
873 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
875 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
876 MP4_ReadBoxContainerRaw( p_stream, p_box );
879 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
880 p_box->data.p_dref->i_entry_count );
883 MP4_READBOX_EXIT( 1 );
887 static int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
890 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
892 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
893 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
895 p_box->data.p_stts->i_sample_count =
896 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
897 p_box->data.p_stts->i_sample_delta =
898 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
900 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
902 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
903 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
907 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
908 p_box->data.p_stts->i_entry_count );
911 MP4_READBOX_EXIT( 1 );
914 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
916 FREE( p_box->data.p_stts->i_sample_count );
917 FREE( p_box->data.p_stts->i_sample_delta );
920 static int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
923 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
925 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
927 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
929 p_box->data.p_ctts->i_sample_count =
930 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
931 p_box->data.p_ctts->i_sample_offset =
932 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
934 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
936 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
937 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
941 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
942 p_box->data.p_ctts->i_entry_count );
945 MP4_READBOX_EXIT( 1 );
948 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
950 FREE( p_box->data.p_ctts->i_sample_count );
951 FREE( p_box->data.p_ctts->i_sample_offset );
954 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
957 unsigned int i_len = 0;
964 i_len = ( i_len << 7 ) + ( i_b&0x7f );
969 static int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
971 #define es_descriptor p_box->data.p_esds->es_descriptor
973 unsigned int i_flags;
976 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
978 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
981 MP4_GET1BYTE( i_type );
982 if( i_type == 0x03 ) /* MP4ESDescrTag */
984 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
987 msg_Dbg( p_stream->p_input, "Found esds MPEG4ESDescr (%dBytes)",
991 MP4_GET2BYTES( es_descriptor.i_ES_ID );
992 MP4_GET1BYTE( i_flags );
993 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
994 es_descriptor.b_url = ( (i_flags&0x40) != 0);
995 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
997 es_descriptor.i_stream_priority = i_flags&0x1f;
998 if( es_descriptor.b_stream_dependence )
1000 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1002 if( es_descriptor.b_url )
1006 MP4_GET1BYTE( i_len );
1007 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1008 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1009 es_descriptor.psz_URL[i_len] = 0;
1015 es_descriptor.psz_URL = NULL;
1017 if( es_descriptor.b_OCRstream )
1019 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1021 MP4_GET1BYTE( i_type ); /* get next type */
1024 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1026 es_descriptor.p_decConfigDescr = NULL;
1027 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1030 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1033 msg_Dbg( p_stream->p_input, "Found esds MP4DecConfigDescr (%dBytes)",
1037 es_descriptor.p_decConfigDescr =
1038 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1040 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1041 MP4_GET1BYTE( i_flags );
1042 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1043 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1044 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1045 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1046 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1047 MP4_GET1BYTE( i_type );
1048 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1050 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1051 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1052 MP4_READBOX_EXIT( 1 );
1055 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1058 msg_Dbg( p_stream->p_input, "Found esds MP4DecSpecificDescr (%dBytes)",
1062 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1063 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1064 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1067 MP4_READBOX_EXIT( 1 );
1069 #undef es_descriptor
1072 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1074 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1075 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1077 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1079 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1082 static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1086 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1088 /* Sanity check needed because the "wave" box does also contain an
1089 * "mp4a" box that we don't understand. */
1093 MP4_READBOX_EXIT( 0 );
1096 for( i = 0; i < 6 ; i++ )
1098 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1101 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1104 * XXX hack -> produce a copy of the nearly complete chunk
1106 p_box->data.p_sample_soun->i_qt_description = i_read;
1107 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1108 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1110 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1111 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1112 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1114 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1115 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1116 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1117 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1118 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1119 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1121 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1125 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1126 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1127 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1128 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1131 msg_Dbg( p_stream->p_input,
1132 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1133 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1134 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1136 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1140 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1141 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1142 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1143 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1145 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1146 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1148 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1151 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1152 p_box->data.p_sample_soun->i_channelcount,
1153 p_box->data.p_sample_soun->i_samplesize,
1154 (float)p_box->data.p_sample_soun->i_sampleratehi +
1155 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1158 MP4_READBOX_EXIT( 1 );
1162 static int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1166 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1168 for( i = 0; i < 6 ; i++ )
1170 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1173 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1176 * XXX hack -> produce a copy of the nearly complete chunk
1180 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1181 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1182 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1188 p_box->data.p_sample_vide->i_qt_image_description = 0;
1189 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1192 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1193 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1194 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1196 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1197 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1199 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1200 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1202 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1203 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1205 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1206 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1208 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1209 p_peek += 32; i_read -= 32;
1211 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1212 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1214 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1215 MP4_ReadBoxContainerRaw( p_stream, p_box );
1218 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1219 p_box->data.p_sample_vide->i_width,
1220 p_box->data.p_sample_vide->i_height,
1221 p_box->data.p_sample_vide->i_depth );
1224 MP4_READBOX_EXIT( 1 );
1228 static int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1231 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1233 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1235 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1237 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1239 MP4_ReadBoxContainerRaw( p_stream, p_box );
1242 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1243 p_box->data.p_stsd->i_entry_count );
1246 MP4_READBOX_EXIT( 1 );
1250 static int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1254 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1256 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1258 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1260 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1262 p_box->data.p_stsz->i_entry_size =
1263 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1265 if( !p_box->data.p_stsz->i_sample_size )
1267 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1269 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1274 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1275 p_box->data.p_stsz->i_sample_size,
1276 p_box->data.p_stsz->i_sample_count );
1279 MP4_READBOX_EXIT( 1 );
1282 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1284 FREE( p_box->data.p_stsz->i_entry_size );
1287 static int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1291 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1293 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1295 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1297 p_box->data.p_stsc->i_first_chunk =
1298 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1299 p_box->data.p_stsc->i_samples_per_chunk =
1300 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1301 p_box->data.p_stsc->i_sample_description_index =
1302 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1304 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1306 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1307 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1308 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1312 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1313 p_box->data.p_stsc->i_entry_count );
1316 MP4_READBOX_EXIT( 1 );
1319 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1321 FREE( p_box->data.p_stsc->i_first_chunk );
1322 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1323 FREE( p_box->data.p_stsc->i_sample_description_index );
1326 static int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1330 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1332 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1334 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1336 p_box->data.p_co64->i_chunk_offset =
1337 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1339 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1341 if( p_box->i_type == FOURCC_stco )
1347 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1355 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1360 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1361 p_box->data.p_co64->i_entry_count );
1364 MP4_READBOX_EXIT( 1 );
1367 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1369 FREE( p_box->data.p_co64->i_chunk_offset );
1372 static int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1376 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1378 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1380 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1382 p_box->data.p_stss->i_sample_number =
1383 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1385 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1388 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1389 /* XXX in libmp4 sample begin at 0 */
1390 p_box->data.p_stss->i_sample_number[i]--;
1394 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1395 p_box->data.p_stss->i_entry_count );
1398 MP4_READBOX_EXIT( 1 );
1401 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1403 FREE( p_box->data.p_stss->i_sample_number )
1406 static int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1410 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1412 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1415 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1417 p_box->data.p_stsh->i_shadowed_sample_number =
1418 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1420 p_box->data.p_stsh->i_sync_sample_number =
1421 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1424 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1427 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1428 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1432 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1433 p_box->data.p_stsh->i_entry_count );
1435 MP4_READBOX_EXIT( 1 );
1438 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1440 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1441 FREE( p_box->data.p_stsh->i_sync_sample_number )
1445 static int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1449 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1451 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1453 p_box->data.p_stdp->i_priority =
1454 calloc( sizeof( uint16_t ), i_read / 2 );
1456 for( i = 0; i < i_read / 2 ; i++ )
1459 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1463 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1467 MP4_READBOX_EXIT( 1 );
1470 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1472 FREE( p_box->data.p_stdp->i_priority )
1475 static int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1479 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1481 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1484 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1486 p_box->data.p_padb->i_reserved1 =
1487 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1488 p_box->data.p_padb->i_pad2 =
1489 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1490 p_box->data.p_padb->i_reserved2 =
1491 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1492 p_box->data.p_padb->i_pad1 =
1493 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1496 for( i = 0; i < i_read / 2 ; i++ )
1498 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1499 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1500 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1501 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1503 p_peek += 1; i_read -= 1;
1507 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1511 MP4_READBOX_EXIT( 1 );
1514 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1516 FREE( p_box->data.p_padb->i_reserved1 );
1517 FREE( p_box->data.p_padb->i_pad2 );
1518 FREE( p_box->data.p_padb->i_reserved2 );
1519 FREE( p_box->data.p_padb->i_pad1 );
1522 static int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1526 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1528 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1531 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1533 p_box->data.p_elst->i_segment_duration =
1534 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1535 p_box->data.p_elst->i_media_time =
1536 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1537 p_box->data.p_elst->i_media_rate_integer =
1538 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1539 p_box->data.p_elst->i_media_rate_fraction=
1540 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1543 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1545 if( p_box->data.p_elst->i_version == 1 )
1548 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1550 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1555 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1557 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1560 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1561 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1565 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1569 MP4_READBOX_EXIT( 1 );
1572 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1574 FREE( p_box->data.p_elst->i_segment_duration );
1575 FREE( p_box->data.p_elst->i_media_time );
1576 FREE( p_box->data.p_elst->i_media_rate_integer );
1577 FREE( p_box->data.p_elst->i_media_rate_fraction );
1580 static int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1582 unsigned int i_language;
1585 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1587 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1589 i_language = GetWBE( p_peek );
1590 for( i = 0; i < 3; i++ )
1592 p_box->data.p_cprt->i_language[i] =
1593 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1595 p_peek += 2; i_read -= 2;
1596 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1599 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1600 p_box->data.p_cprt->i_language[0],
1601 p_box->data.p_cprt->i_language[1],
1602 p_box->data.p_cprt->i_language[2],
1603 p_box->data.p_cprt->psz_notice );
1606 MP4_READBOX_EXIT( 1 );
1609 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1611 FREE( p_box->data.p_cprt->psz_notice );
1615 static int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1617 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1619 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1621 msg_Dbg( p_stream->p_input,
1622 "Read Box: \"dcom\" compression algorithm : %4.4s",
1623 (char*)&p_box->data.p_dcom->i_algorithm );
1625 MP4_READBOX_EXIT( 1 );
1628 static int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1630 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1632 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1634 p_box->data.p_cmvd->i_compressed_size = i_read;
1636 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1638 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1642 /* now copy compressed data */
1643 memcpy( p_box->data.p_cmvd->p_data,
1647 p_box->data.p_cmvd->b_compressed = 1;
1650 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1651 p_box->data.p_cmvd->i_compressed_size );
1654 MP4_READBOX_EXIT( 1 );
1656 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1658 FREE( p_box->data.p_cmvd->p_data );
1662 static int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1664 MP4_Stream_t *p_stream_memory;
1675 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1677 msg_Err( p_stream->p_input, "out of memory" );
1680 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1682 if( !p_box->p_father ||
1683 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1685 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1689 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1694 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1695 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1696 p_cmvd->data.p_cmvd->p_data == NULL )
1698 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1702 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1704 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1705 (char*)&p_dcom->data.p_dcom->i_algorithm );
1710 msg_Dbg( p_stream->p_input,
1711 "Read Box: \"cmov\" zlib unsupported" );
1714 /* decompress data */
1715 /* allocate a new buffer */
1716 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1718 msg_Err( p_stream->p_input,
1719 "Read Box: \"cmov\" not enough memory to uncompress data" );
1722 /* init default structures */
1723 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1724 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1725 z_data.next_out = p_data;
1726 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1727 z_data.zalloc = (alloc_func)Z_NULL;
1728 z_data.zfree = (free_func)Z_NULL;
1729 z_data.opaque = (voidpf)Z_NULL;
1732 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1734 msg_Err( p_stream->p_input,
1735 "Read Box: \"cmov\" error while uncompressing data" );
1741 i_result = inflate( &z_data, Z_NO_FLUSH );
1742 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1744 msg_Err( p_stream->p_input,
1745 "Read Box: \"cmov\" error while uncompressing data" );
1750 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1752 msg_Warn( p_stream->p_input,
1753 "Read Box: \"cmov\" uncompressing data size mismatch" );
1755 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1758 i_result = inflateEnd( &z_data );
1759 if( i_result != Z_OK )
1761 msg_Warn( p_stream->p_input,
1762 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1766 free( p_cmvd->data.p_cmvd->p_data );
1767 p_cmvd->data.p_cmvd->p_data = p_data;
1768 p_cmvd->data.p_cmvd->b_compressed = 0;
1770 msg_Dbg( p_stream->p_input,
1771 "Read Box: \"cmov\" box succesfully uncompressed" );
1773 /* now create a memory stream */
1774 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1775 p_cmvd->data.p_cmvd->i_uncompressed_size,
1776 p_cmvd->data.p_cmvd->p_data );
1778 /* and read uncompressd moov */
1779 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1781 free( p_stream_memory );
1784 msg_Dbg( p_stream->p_input,
1785 "Read Box: \"cmov\" compressed movie header completed" );
1787 return( p_box->data.p_cmov->p_moov ? 1 : 0 );
1788 #endif /* HAVE_ZLIB_H */
1791 static int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1794 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1796 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1797 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1798 MP4_GET4BYTES( i_len );
1802 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1803 for( i = 0; i < i_len; i++ )
1805 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1807 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1811 p_box->data.p_rdrf->psz_ref = NULL;
1815 msg_Dbg( p_stream->p_input,
1816 "Read Box: \"rdrf\" type:%4.4s ref %s",
1817 (char*)&p_box->data.p_rdrf->i_ref_type,
1818 p_box->data.p_rdrf->psz_ref );
1821 MP4_READBOX_EXIT( 1 );
1824 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1826 FREE( p_box->data.p_rdrf->psz_ref )
1830 static int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1832 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1834 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1836 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1839 msg_Dbg( p_stream->p_input,
1840 "Read Box: \"rmdr\" rate:%d",
1841 p_box->data.p_rmdr->i_rate );
1843 MP4_READBOX_EXIT( 1 );
1846 static int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1848 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1850 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1853 msg_Dbg( p_stream->p_input,
1854 "Read Box: \"rmqu\" quality:%d",
1855 p_box->data.p_rmqu->i_quality );
1857 MP4_READBOX_EXIT( 1 );
1860 static int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1862 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1863 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1865 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1866 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1867 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1868 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1871 msg_Dbg( p_stream->p_input,
1872 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1873 (char*)&p_box->data.p_rmvc->i_gestaltType,
1874 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1875 p_box->data.p_rmvc->i_checkType );
1878 MP4_READBOX_EXIT( 1 );
1881 /**** ------------------------------------------------------------------- ****/
1882 /**** "Higher level" Functions ****/
1883 /**** ------------------------------------------------------------------- ****/
1888 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
1889 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
1890 } MP4_Box_Function [] =
1893 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1894 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1895 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1896 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1897 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1898 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1899 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1900 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1901 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1902 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1903 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1904 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1905 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1906 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1907 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1908 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1911 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
1912 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
1913 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
1914 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
1915 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
1916 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
1917 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
1918 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
1919 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
1920 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
1921 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
1922 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
1923 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
1924 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
1925 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
1926 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
1927 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
1928 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1929 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1930 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
1931 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
1932 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
1933 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
1934 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
1935 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
1936 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
1937 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
1938 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
1940 /* Nothing to do with this box */
1941 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1942 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1943 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1944 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1947 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1948 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1949 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1950 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1951 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1952 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1953 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1954 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1955 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1956 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1957 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1958 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1959 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1960 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1961 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1962 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1963 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1964 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1965 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1966 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1967 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1969 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1970 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1971 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1972 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1973 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1974 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1975 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1976 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1977 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1978 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1979 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1980 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1981 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1982 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1983 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1984 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1985 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1986 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1987 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1988 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
1989 { FOURCC_mjht, NULL, NULL },
1990 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1991 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1992 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1993 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1995 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1997 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
1999 /* XXX there is 2 box where we could find this entry stbl and tref*/
2000 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2002 /* found in tref box */
2003 { FOURCC_dpnd, NULL, NULL },
2004 { FOURCC_ipir, NULL, NULL },
2005 { FOURCC_mpod, NULL, NULL },
2008 { FOURCC_rtp, NULL, NULL },
2011 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2012 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2013 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2014 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2022 /*****************************************************************************
2023 * MP4_ReadBox : parse the actual box and the children
2024 * XXX : Do not go to the next box
2025 *****************************************************************************/
2026 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father )
2028 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2029 unsigned int i_index;
2031 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2033 msg_Warn( p_stream->p_input, "Cannot read one box" );
2037 if( !p_box->i_size )
2039 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2043 p_box->p_father = p_father;
2045 /* Now search function to call */
2046 for( i_index = 0; ; i_index++ )
2048 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2049 ( MP4_Box_Function[i_index].i_type == 0 ) )
2054 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2056 msg_Warn( p_stream->p_input,
2057 "Unknown box type %4.4s (uncompletetly loaded)",
2058 (char*)&p_box->i_type );
2060 else if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2069 /*****************************************************************************
2070 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2072 *****************************************************************************/
2073 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2075 unsigned int i_index;
2083 for( p_child = p_box->p_first; p_child != NULL; )
2087 p_next = p_child->p_next;
2088 MP4_BoxFree( p_input, p_child );
2092 /* Now search function to call */
2093 if( p_box->data.p_data )
2095 for( i_index = 0; ; i_index++ )
2097 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2098 ( MP4_Box_Function[i_index].i_type == 0 ) )
2103 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2105 /* Should not happen */
2107 "cannot free box %4.4s, type unknown",
2108 (char*)&p_box->i_type );
2112 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2115 free( p_box->data.p_data );
2121 /*****************************************************************************
2122 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2123 *****************************************************************************
2124 * The first box is a virtual box "root" and is the father for all first
2125 * level boxes for the file, a sort of virtual contener
2126 *****************************************************************************/
2127 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input )
2130 MP4_Stream_t *p_stream;
2133 p_root = malloc( sizeof( MP4_Box_t ) );
2135 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2136 p_root->i_shortsize = 1;
2137 p_root->i_size = p_input->stream.p_selected_area->i_size;
2138 CreateUUID( &p_root->i_uuid, p_root->i_type );
2140 p_root->data.p_data = NULL;
2141 p_root->p_father = NULL;
2142 p_root->p_first = NULL;
2143 p_root->p_last = NULL;
2144 p_root->p_next = NULL;
2146 p_stream = MP4_InputStream( p_input );
2148 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2158 /* check if there is a cmov, if so replace
2159 compressed moov by uncompressed one */
2160 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2161 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2162 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2163 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2165 /* rename the compressed moov as a box to skip */
2166 p_moov->i_type = FOURCC_skip;
2168 /* get uncompressed p_moov */
2169 p_moov = p_cmov->data.p_cmov->p_moov;
2170 p_cmov->data.p_cmov->p_moov = NULL;
2172 /* make p_root father of this new moov */
2173 p_moov->p_father = p_root;
2175 /* insert this new moov box as first child of p_root */
2176 p_moov->p_next = p_child = p_root->p_first;
2177 p_root->p_first = p_moov;
2185 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2186 MP4_Box_t *p_box, unsigned int i_level )
2192 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2193 (char*)&p_box->i_type );
2199 memset( str, (uint8_t)' ', 512 );
2200 for( i = 0; i < i_level; i++ )
2204 sprintf( str + i_level * 5, "+ %4.4s size %d",
2205 (char*)&p_box->i_type,
2206 (uint32_t)p_box->i_size );
2208 msg_Dbg( p_input, "%s", str );
2210 p_child = p_box->p_first;
2213 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2214 p_child = p_child->p_next;
2218 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2220 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2225 /*****************************************************************************
2226 *****************************************************************************
2228 ** High level methods to acces an MP4 file
2230 *****************************************************************************
2231 *****************************************************************************/
2232 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2235 if( !*ppsz_path[0] )
2242 while( (*ppsz_path)[i_len] &&
2243 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2247 if( !i_len && **ppsz_path == '/' )
2251 *ppsz_token = malloc( i_len + 1 );
2253 memcpy( *ppsz_token, *ppsz_path, i_len );
2255 (*ppsz_token)[i_len] = '\0';
2257 *ppsz_path += i_len;
2259 if( **ppsz_path == '[' )
2262 *pi_number = strtol( *ppsz_path, NULL, 10 );
2263 while( **ppsz_path && **ppsz_path != ']' )
2267 if( **ppsz_path == ']' )
2276 while( **ppsz_path == '/' )
2282 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2283 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2286 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
2296 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
2297 vasprintf( &psz_path, psz_fmt, args );
2299 i_size = strlen( psz_fmt ) + 1024;
2300 psz_path = calloc( i_size, sizeof( char ) );
2301 vsnprintf( psz_path, i_size, psz_fmt, args );
2302 psz_path[i_size - 1] = 0;
2305 if( !psz_path || !psz_path[0] )
2312 // fprintf( stderr, "path:'%s'\n", psz_path );
2313 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2319 __get_token( &psz_path, &psz_token, &i_number );
2320 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2321 // psz_path,psz_token,i_number );
2330 if( !strcmp( psz_token, "/" ) )
2333 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2335 p_box = p_box->p_father;
2346 if( !strcmp( psz_token, "." ) )
2351 if( !strcmp( psz_token, ".." ) )
2353 p_box = p_box->p_father;
2363 if( strlen( psz_token ) == 4 )
2366 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2367 psz_token[2], psz_token[3] );
2368 p_box = p_box->p_first;
2378 if( p_box->i_type == i_fourcc )
2386 p_box = p_box->p_next;
2390 if( strlen( psz_token ) == 0 )
2392 p_box = p_box->p_first;
2407 p_box = p_box->p_next;
2412 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2423 /*****************************************************************************
2424 * MP4_BoxGet: find a box given a path relative to p_box
2425 *****************************************************************************
2426 * Path Format: . .. / as usual
2427 * [number] to specifie box number ex: trak[12]
2429 * ex: /moov/trak[12]
2431 *****************************************************************************/
2432 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2435 MP4_Box_t *p_result;
2437 va_start( args, psz_fmt );
2438 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2444 /*****************************************************************************
2445 * MP4_BoxCount: count box given a path relative to p_box
2446 *****************************************************************************
2447 * Path Format: . .. / as usual
2448 * [number] to specifie box number ex: trak[12]
2450 * ex: /moov/trak[12]
2452 *****************************************************************************/
2453 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2457 MP4_Box_t *p_result, *p_next;
2459 va_start( args, psz_fmt );
2460 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2468 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2470 if( p_next->i_type == p_result->i_type)