1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: libmp4.c,v 1.39 2003/12/22 14:32:55 sam 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 */
34 /*****************************************************************************
35 * Here are defined some macro to make life simpler but before using it
38 *****************************************************************************/
39 #define MP4_BOX_HEADERSIZE( p_box ) \
40 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
41 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
43 #define MP4_GET1BYTE( dst ) \
44 dst = *p_peek; p_peek++; i_read--
46 #define MP4_GET2BYTES( dst ) \
47 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
49 #define MP4_GET3BYTES( dst ) \
50 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
52 #define MP4_GET4BYTES( dst ) \
53 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
55 #define MP4_GETFOURCC( dst ) \
56 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
57 p_peek += 4; i_read -= 4
59 #define MP4_GET8BYTES( dst ) \
60 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
62 #define MP4_GETVERSIONFLAGS( p_void ) \
63 MP4_GET1BYTE( p_void->i_version ); \
64 MP4_GET3BYTES( p_void->i_flags )
66 #define MP4_GETSTRINGZ( p_str ) \
67 if( ( i_read > 0 )&&(p_peek[0] ) ) \
69 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
70 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
71 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
72 p_peek += strlen( p_str ) + 1; \
73 i_read -= strlen( p_str ) + 1; \
81 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
82 int64_t i_read = p_box->i_size; \
83 uint8_t *p_peek, *p_buff; \
84 i_read = p_box->i_size; \
85 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
89 if( MP4_ReadStream( p_stream, p_peek, i_read ) )\
94 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
95 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
96 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
102 #define MP4_READBOX_EXIT( i_code ) \
106 msg_Warn( p_stream->p_input, "Not enough data" ); \
111 if( p ) {free( p ); p = NULL; }
116 * The input method HAVE to be seekable
120 static uint32_t Get24bBE( uint8_t *p )
122 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
125 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
127 memcpy( p_uuid, p_buff, 16 );
130 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
132 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
133 where XXXXXXXX is the fourcc */
134 /* FIXME implement this */
137 /* some functions for mp4 encoding of variables */
139 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
146 /* date begin at 1 jan 1904 */
147 i_date += ((1904U * 365) + 17) * 24 * 60 * 60;
149 i_day = i_date / ( 60*60*24);
150 i_hour = ( i_date /( 60*60 ) ) % 60;
151 i_min = ( i_date / 60 ) % 60;
153 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
154 i_day, i_hour, i_min, i_sec );
157 /*****************************************************************************
159 *****************************************************************************/
160 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father );
162 /*****************************************************************************
163 * Some basic functions to manipulate MP4_Stream_t, an abstraction o p_input
164 * in the way that you can read from a memory buffer or from an input
166 *****************************************************************************/
168 /**** ------- First some function to make abstract from input -------- */
170 /****************************************************************************
171 * MP4_InputStream create an stram with an input
173 ****************************************************************************/
174 MP4_Stream_t *MP4_InputStream( input_thread_t *p_input )
176 MP4_Stream_t *p_stream;
178 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
182 p_stream->b_memory = 0;
183 p_stream->p_input = p_input;
184 p_stream->i_start = 0;
185 p_stream->i_stop = 0;
186 p_stream->p_buffer = NULL;
191 /****************************************************************************
192 * MP4_MemoryStream create a memory stream
193 * if p_buffer == NULL, will allocate a buffer of i_size, else
194 * it uses p_buffer XXX you have to unallocate it yourself !
196 ****************************************************************************/
197 MP4_Stream_t *MP4_MemoryStream( input_thread_t *p_input,
198 int i_size, uint8_t *p_buffer )
200 MP4_Stream_t *p_stream;
202 if( !( p_stream = malloc( sizeof( MP4_Stream_t ) ) ) )
206 p_stream->b_memory = 1;
207 p_stream->p_input = p_input;
208 p_stream->i_start = 0;
209 p_stream->i_stop = i_size;
212 if( !( p_stream->p_buffer = malloc( i_size ) ) )
220 p_stream->p_buffer = p_buffer;
225 /****************************************************************************
226 * MP4_ReadStream read from a MP4_Stream_t
228 ****************************************************************************/
229 int MP4_ReadStream( MP4_Stream_t *p_stream, uint8_t *p_buff, int i_size )
231 if( p_stream->b_memory )
233 if( i_size > p_stream->i_stop - p_stream->i_start )
235 return( VLC_EGENERIC );
238 p_stream->p_buffer + p_stream->i_start,
240 p_stream->i_start += i_size;
241 return( VLC_SUCCESS );
245 return( stream_Read( p_stream->p_input->s, p_buff, i_size ) < i_size ? VLC_EGENERIC : VLC_SUCCESS);
249 /****************************************************************************
250 * MP4_PeekStream peek from a MP4_Stream_t
252 ****************************************************************************/
253 int MP4_PeekStream( MP4_Stream_t *p_stream, uint8_t **pp_peek, int i_size )
255 if( p_stream->b_memory )
257 *pp_peek = p_stream->p_buffer + p_stream->i_start;
259 return( __MIN(i_size,p_stream->i_stop - p_stream->i_start ));
264 if( p_stream->p_input->stream.p_selected_area->i_size > 0 )
267 p_stream->p_input->stream.p_selected_area->i_size - stream_Tell( p_stream->p_input->s );
273 return( stream_Peek( p_stream->p_input->s, pp_peek, i_size ) );
277 /****************************************************************************
278 * MP4_TellStream give absolute position in the stream
279 * XXX for a memory stream give position from begining of the buffer
280 ****************************************************************************/
281 off_t MP4_TellStream( MP4_Stream_t *p_stream )
283 if( p_stream->b_memory )
285 return( p_stream->i_start );
289 return( stream_Tell( p_stream->p_input->s ) );
293 /****************************************************************************
294 * MP4_SeekStream seek in a MP4_Stream_t
296 ****************************************************************************/
297 int MP4_SeekStream( MP4_Stream_t *p_stream, off_t i_pos)
299 if( p_stream->b_memory )
301 if( i_pos < p_stream->i_stop )
303 p_stream->i_start = i_pos;
304 return( VLC_SUCCESS );
308 return( VLC_EGENERIC );
313 return( stream_Seek( p_stream->p_input->s, (int64_t)i_pos ) );
319 /*****************************************************************************
320 * MP4_ReadBoxCommon : Load only common parameters for all boxes
321 *****************************************************************************
322 * p_box need to be an already allocated MP4_Box_t, and all data
323 * will only be peek not read
325 * RETURN : 0 if it fail, 1 otherwise
326 *****************************************************************************/
327 static int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
332 if( ( ( i_read = MP4_PeekStream( p_stream, &p_peek, 32 ) ) < 8 ) )
336 p_box->i_pos = MP4_TellStream( p_stream );
338 p_box->data.p_data = NULL;
339 p_box->p_father = NULL;
340 p_box->p_first = NULL;
341 p_box->p_last = NULL;
342 p_box->p_next = NULL;
344 MP4_GET4BYTES( p_box->i_shortsize );
345 MP4_GETFOURCC( p_box->i_type );
347 /* Now special case */
349 if( p_box->i_shortsize == 1 )
351 /* get the true size on 64 bits */
352 MP4_GET8BYTES( p_box->i_size );
356 p_box->i_size = p_box->i_shortsize;
357 /* XXX size of 0 means that the box extends to end of file */
360 if( p_box->i_type == FOURCC_uuid )
362 /* get extented type on 16 bytes */
363 GetUUID( &p_box->i_uuid, p_peek );
364 p_peek += 16; i_read -= 16;
368 CreateUUID( &p_box->i_uuid, p_box->i_type );
373 msg_Dbg( p_stream->p_input, "Found Box: %4.4s size "I64Fd,
374 (char*)&p_box->i_type,
383 /*****************************************************************************
384 * MP4_NextBox : Go to the next box
385 *****************************************************************************
386 * if p_box == NULL, go to the next box in witch we are( at the begining ).
387 *****************************************************************************/
388 static int MP4_NextBox( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
394 MP4_ReadBoxCommon( p_stream, &box );
400 return( 2 ); /* Box with infinite size */
403 if( p_box->p_father )
405 /* check if it's within p-father */
406 if( p_box->i_size + p_box->i_pos >=
407 p_box->p_father->i_size + p_box->p_father->i_pos )
409 return( 0 ); /* out of bound */
412 return( MP4_SeekStream( p_stream, p_box->i_size + p_box->i_pos ) ? 0 : 1 );
415 /*****************************************************************************
416 * For all known box a loader is given,
417 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
418 * after called one of theses functions, file position is unknown
419 * you need to call MP4_GotoBox to go where you want
420 *****************************************************************************/
421 static int MP4_ReadBoxContainerRaw( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
425 if( MP4_TellStream( p_stream ) + 8 >
426 (off_t)(p_container->i_pos + p_container->i_size) )
428 /* there is no box to load */
434 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL )
438 /* chain this box with the father and the other at same level */
439 if( !p_container->p_first )
441 p_container->p_first = p_box;
445 p_container->p_last->p_next = p_box;
447 p_container->p_last = p_box;
448 } while( MP4_NextBox( p_stream, p_box ) == 1 );
454 static int MP4_ReadBoxContainer( MP4_Stream_t *p_stream, MP4_Box_t *p_container )
456 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
458 /* container is empty, 8 stand for the first header in this box */
463 MP4_SeekStream( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
465 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
468 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
470 /* Up to now do nothing */
473 static int MP4_ReadBoxSkip( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
475 /* XXX sometime moov is hiden in a free box */
476 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
477 p_box->i_type == FOURCC_free )
483 i_read = MP4_PeekStream( p_stream, &p_peek, 44 );
485 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
486 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
490 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
492 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
494 msg_Warn( p_stream->p_input, "Detected moov hidden in a free box ..." );
496 p_box->i_type = FOURCC_foov;
497 return MP4_ReadBoxContainer( p_stream, p_box );
503 msg_Dbg( p_stream->p_input, "Skip box: \"%4.4s\"",
504 (char*)&p_box->i_type );
509 static int MP4_ReadBox_ftyp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
511 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
513 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
514 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
516 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
519 p_box->data.p_ftyp->i_compatible_brands =
520 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
522 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
524 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
529 p_box->data.p_ftyp->i_compatible_brands = NULL;
532 MP4_READBOX_EXIT( 1 );
535 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
537 FREE( p_box->data.p_ftyp->i_compatible_brands );
541 static int MP4_ReadBox_mvhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
545 char s_creation_time[128];
546 char s_modification_time[128];
547 char s_duration[128];
549 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
551 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
553 if( p_box->data.p_mvhd->i_version )
555 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
556 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
557 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
558 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
562 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
563 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
564 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
565 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
567 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
568 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
569 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
572 for( i = 0; i < 2; i++ )
574 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
576 for( i = 0; i < 9; i++ )
578 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
580 for( i = 0; i < 6; i++ )
582 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
585 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
589 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
590 MP4_ConvertDate2Str( s_modification_time,
591 p_box->data.p_mvhd->i_modification_time );
592 if( p_box->data.p_mvhd->i_rate )
594 MP4_ConvertDate2Str( s_duration,
595 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
601 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",
604 (uint32_t)p_box->data.p_mvhd->i_timescale,
606 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
607 (float)p_box->data.p_mvhd->i_volume / 256 ,
608 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
610 MP4_READBOX_EXIT( 1 );
613 static int MP4_ReadBox_tkhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
617 char s_creation_time[128];
618 char s_modification_time[128];
619 char s_duration[128];
621 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
623 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
625 if( p_box->data.p_tkhd->i_version )
627 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
628 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
629 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
630 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
631 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
635 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
636 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
637 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
638 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
639 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
642 for( i = 0; i < 2; i++ )
644 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
646 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
647 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
648 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
649 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
651 for( i = 0; i < 9; i++ )
653 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
655 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
656 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
659 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
660 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
661 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
663 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",
667 p_box->data.p_tkhd->i_track_ID,
668 p_box->data.p_tkhd->i_layer,
669 (float)p_box->data.p_tkhd->i_volume / 256 ,
670 (float)p_box->data.p_tkhd->i_width / 65536,
671 (float)p_box->data.p_tkhd->i_height / 65536 );
673 MP4_READBOX_EXIT( 1 );
677 static int MP4_ReadBox_mdhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
682 char s_creation_time[128];
683 char s_modification_time[128];
684 char s_duration[128];
686 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
688 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
690 if( p_box->data.p_mdhd->i_version )
692 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
693 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
694 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
695 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
699 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
700 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
701 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
702 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
704 i_language = GetWBE( p_peek );
705 for( i = 0; i < 3; i++ )
707 p_box->data.p_mdhd->i_language[i] =
708 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
711 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
714 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
715 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
716 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
717 msg_Dbg( p_stream->p_input, "Read Box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
720 (uint32_t)p_box->data.p_mdhd->i_timescale,
722 p_box->data.p_mdhd->i_language[0],
723 p_box->data.p_mdhd->i_language[1],
724 p_box->data.p_mdhd->i_language[2] );
726 MP4_READBOX_EXIT( 1 );
730 static int MP4_ReadBox_hdlr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
732 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
734 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
736 MP4_GET4BYTES( p_box->data.p_hdlr->i_predefined );
737 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
739 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
740 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
743 msg_Dbg( p_stream->p_input, "Read Box: \"hdlr\" hanler type %4.4s name %s",
744 (char*)&p_box->data.p_hdlr->i_handler_type,
745 p_box->data.p_hdlr->psz_name );
748 MP4_READBOX_EXIT( 1 );
751 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
753 FREE( p_box->data.p_hdlr->psz_name );
756 static int MP4_ReadBox_vmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
760 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
762 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
764 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
765 for( i = 0; i < 3; i++ )
767 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
771 msg_Dbg( p_stream->p_input, "Read Box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
772 p_box->data.p_vmhd->i_graphics_mode,
773 p_box->data.p_vmhd->i_opcolor[0],
774 p_box->data.p_vmhd->i_opcolor[1],
775 p_box->data.p_vmhd->i_opcolor[2] );
777 MP4_READBOX_EXIT( 1 );
780 static int MP4_ReadBox_smhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
782 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
784 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
788 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
790 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
793 msg_Dbg( p_stream->p_input, "Read Box: \"smhd\" balance %f",
794 (float)p_box->data.p_smhd->i_balance / 256 );
796 MP4_READBOX_EXIT( 1 );
800 static int MP4_ReadBox_hmhd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
802 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
804 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
806 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
807 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
809 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
810 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
812 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
815 msg_Dbg( p_stream->p_input, "Read Box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
816 p_box->data.p_hmhd->i_max_PDU_size,
817 p_box->data.p_hmhd->i_avg_PDU_size,
818 p_box->data.p_hmhd->i_max_bitrate,
819 p_box->data.p_hmhd->i_avg_bitrate );
821 MP4_READBOX_EXIT( 1 );
824 static int MP4_ReadBox_url( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
826 MP4_READBOX_ENTER( MP4_Box_data_url_t );
828 MP4_GETVERSIONFLAGS( p_box->data.p_url );
829 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
832 msg_Dbg( p_stream->p_input, "Read Box: \"url\" url: %s",
833 p_box->data.p_url->psz_location );
836 MP4_READBOX_EXIT( 1 );
840 static void MP4_FreeBox_url( MP4_Box_t *p_box )
842 FREE( p_box->data.p_url->psz_location )
845 static int MP4_ReadBox_urn( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
847 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
849 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
851 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
852 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
855 msg_Dbg( p_stream->p_input, "Read Box: \"urn\" name %s location %s",
856 p_box->data.p_urn->psz_name,
857 p_box->data.p_urn->psz_location );
859 MP4_READBOX_EXIT( 1 );
861 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
863 FREE( p_box->data.p_urn->psz_name );
864 FREE( p_box->data.p_urn->psz_location );
868 static int MP4_ReadBox_dref( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
870 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
872 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
874 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
876 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
877 MP4_ReadBoxContainerRaw( p_stream, p_box );
880 msg_Dbg( p_stream->p_input, "Read Box: \"dref\" entry-count %d",
881 p_box->data.p_dref->i_entry_count );
884 MP4_READBOX_EXIT( 1 );
888 static int MP4_ReadBox_stts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
891 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
893 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
894 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
896 p_box->data.p_stts->i_sample_count =
897 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
898 p_box->data.p_stts->i_sample_delta =
899 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
901 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
903 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
904 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
908 msg_Dbg( p_stream->p_input, "Read Box: \"stts\" entry-count %d",
909 p_box->data.p_stts->i_entry_count );
912 MP4_READBOX_EXIT( 1 );
915 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
917 FREE( p_box->data.p_stts->i_sample_count );
918 FREE( p_box->data.p_stts->i_sample_delta );
921 static int MP4_ReadBox_ctts( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
924 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
926 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
928 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
930 p_box->data.p_ctts->i_sample_count =
931 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
932 p_box->data.p_ctts->i_sample_offset =
933 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
935 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
937 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
938 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
942 msg_Dbg( p_stream->p_input, "Read Box: \"ctts\" entry-count %d",
943 p_box->data.p_ctts->i_entry_count );
946 MP4_READBOX_EXIT( 1 );
949 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
951 FREE( p_box->data.p_ctts->i_sample_count );
952 FREE( p_box->data.p_ctts->i_sample_offset );
955 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
958 unsigned int i_len = 0;
965 i_len = ( i_len << 7 ) + ( i_b&0x7f );
970 static int MP4_ReadBox_esds( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
972 #define es_descriptor p_box->data.p_esds->es_descriptor
974 unsigned int i_flags;
977 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
979 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
982 MP4_GET1BYTE( i_type );
983 if( i_type == 0x03 ) /* MP4ESDescrTag */
985 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
988 msg_Dbg( p_stream->p_input, "Found esds MPEG4ESDescr (%dBytes)",
992 MP4_GET2BYTES( es_descriptor.i_ES_ID );
993 MP4_GET1BYTE( i_flags );
994 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
995 es_descriptor.b_url = ( (i_flags&0x40) != 0);
996 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
998 es_descriptor.i_stream_priority = i_flags&0x1f;
999 if( es_descriptor.b_stream_dependence )
1001 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
1003 if( es_descriptor.b_url )
1007 MP4_GET1BYTE( i_len );
1008 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
1009 memcpy( es_descriptor.psz_URL, p_peek, i_len );
1010 es_descriptor.psz_URL[i_len] = 0;
1016 es_descriptor.psz_URL = NULL;
1018 if( es_descriptor.b_OCRstream )
1020 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
1022 MP4_GET1BYTE( i_type ); /* get next type */
1025 if( i_type != 0x04)/* MP4DecConfigDescrTag */
1027 es_descriptor.p_decConfigDescr = NULL;
1028 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
1031 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1034 msg_Dbg( p_stream->p_input, "Found esds MP4DecConfigDescr (%dBytes)",
1038 es_descriptor.p_decConfigDescr =
1039 malloc( sizeof( MP4_descriptor_decoder_config_t ));
1041 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
1042 MP4_GET1BYTE( i_flags );
1043 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
1044 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
1045 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
1046 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
1047 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
1048 MP4_GET1BYTE( i_type );
1049 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
1051 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
1052 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
1053 MP4_READBOX_EXIT( 1 );
1056 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
1059 msg_Dbg( p_stream->p_input, "Found esds MP4DecSpecificDescr (%dBytes)",
1063 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
1064 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
1065 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1068 MP4_READBOX_EXIT( 1 );
1070 #undef es_descriptor
1073 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
1075 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
1076 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
1078 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
1080 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
1083 static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1087 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1089 /* Sanity check needed because the "wave" box does also contain an
1090 * "mp4a" box that we don't understand. */
1094 MP4_READBOX_EXIT( 1 );
1097 for( i = 0; i < 6 ; i++ )
1099 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1102 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1105 * XXX hack -> produce a copy of the nearly complete chunk
1107 p_box->data.p_sample_soun->i_qt_description = i_read;
1108 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1109 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1111 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1112 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1113 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1115 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1116 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1117 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1118 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1119 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1120 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1122 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1126 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1127 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1128 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1129 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1132 msg_Dbg( p_stream->p_input,
1133 "Read Box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d bytes/frame=%d bytes/sample=%d",
1134 p_box->data.p_sample_soun->i_sample_per_packet, p_box->data.p_sample_soun->i_bytes_per_packet,
1135 p_box->data.p_sample_soun->i_bytes_per_frame, p_box->data.p_sample_soun->i_bytes_per_sample );
1137 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 44 );
1141 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1142 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1143 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1144 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1146 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read );
1147 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 );
1149 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1152 msg_Dbg( p_stream->p_input, "Read Box: \"soun\" in stsd channel %d sample size %d sampl rate %f",
1153 p_box->data.p_sample_soun->i_channelcount,
1154 p_box->data.p_sample_soun->i_samplesize,
1155 (float)p_box->data.p_sample_soun->i_sampleratehi +
1156 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1159 MP4_READBOX_EXIT( 1 );
1163 static int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1167 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1169 for( i = 0; i < 6 ; i++ )
1171 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1174 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1177 * XXX hack -> produce a copy of the nearly complete chunk
1181 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1182 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1183 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1189 p_box->data.p_sample_vide->i_qt_image_description = 0;
1190 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1193 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1194 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1195 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1197 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1198 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1200 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1201 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1203 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1204 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1206 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1207 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1209 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1210 p_peek += 32; i_read -= 32;
1212 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1213 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1215 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1216 MP4_ReadBoxContainerRaw( p_stream, p_box );
1219 msg_Dbg( p_stream->p_input, "Read Box: \"vide\" in stsd %dx%d depth %d",
1220 p_box->data.p_sample_vide->i_width,
1221 p_box->data.p_sample_vide->i_height,
1222 p_box->data.p_sample_vide->i_depth );
1225 MP4_READBOX_EXIT( 1 );
1229 static int MP4_ReadBox_stsd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1232 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1234 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1236 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1238 MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1240 MP4_ReadBoxContainerRaw( p_stream, p_box );
1243 msg_Dbg( p_stream->p_input, "Read Box: \"stsd\" entry-count %d",
1244 p_box->data.p_stsd->i_entry_count );
1247 MP4_READBOX_EXIT( 1 );
1251 static int MP4_ReadBox_stsz( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1255 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1257 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1259 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1261 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1263 p_box->data.p_stsz->i_entry_size =
1264 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1266 if( !p_box->data.p_stsz->i_sample_size )
1268 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1270 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1275 msg_Dbg( p_stream->p_input, "Read Box: \"stsz\" sample-size %d sample-count %d",
1276 p_box->data.p_stsz->i_sample_size,
1277 p_box->data.p_stsz->i_sample_count );
1280 MP4_READBOX_EXIT( 1 );
1283 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1285 FREE( p_box->data.p_stsz->i_entry_size );
1288 static int MP4_ReadBox_stsc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1292 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1294 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1296 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1298 p_box->data.p_stsc->i_first_chunk =
1299 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1300 p_box->data.p_stsc->i_samples_per_chunk =
1301 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1302 p_box->data.p_stsc->i_sample_description_index =
1303 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1305 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1307 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1308 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1309 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1313 msg_Dbg( p_stream->p_input, "Read Box: \"stsc\" entry-count %d",
1314 p_box->data.p_stsc->i_entry_count );
1317 MP4_READBOX_EXIT( 1 );
1320 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1322 FREE( p_box->data.p_stsc->i_first_chunk );
1323 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1324 FREE( p_box->data.p_stsc->i_sample_description_index );
1327 static int MP4_ReadBox_stco_co64( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1331 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1333 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1335 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1337 p_box->data.p_co64->i_chunk_offset =
1338 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1340 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1342 if( p_box->i_type == FOURCC_stco )
1348 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1356 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1361 msg_Dbg( p_stream->p_input, "Read Box: \"co64\" entry-count %d",
1362 p_box->data.p_co64->i_entry_count );
1365 MP4_READBOX_EXIT( 1 );
1368 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1370 FREE( p_box->data.p_co64->i_chunk_offset );
1373 static int MP4_ReadBox_stss( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1377 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1379 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1381 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1383 p_box->data.p_stss->i_sample_number =
1384 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1386 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1389 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1390 /* XXX in libmp4 sample begin at 0 */
1391 p_box->data.p_stss->i_sample_number[i]--;
1395 msg_Dbg( p_stream->p_input, "Read Box: \"stss\" entry-count %d",
1396 p_box->data.p_stss->i_entry_count );
1399 MP4_READBOX_EXIT( 1 );
1402 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1404 FREE( p_box->data.p_stss->i_sample_number )
1407 static int MP4_ReadBox_stsh( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1411 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1413 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1416 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1418 p_box->data.p_stsh->i_shadowed_sample_number =
1419 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1421 p_box->data.p_stsh->i_sync_sample_number =
1422 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1425 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1428 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1429 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1433 msg_Dbg( p_stream->p_input, "Read Box: \"stsh\" entry-count %d",
1434 p_box->data.p_stsh->i_entry_count );
1436 MP4_READBOX_EXIT( 1 );
1439 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1441 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1442 FREE( p_box->data.p_stsh->i_sync_sample_number )
1446 static int MP4_ReadBox_stdp( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1450 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1452 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1454 p_box->data.p_stdp->i_priority =
1455 calloc( sizeof( uint16_t ), i_read / 2 );
1457 for( i = 0; i < i_read / 2 ; i++ )
1460 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1464 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1468 MP4_READBOX_EXIT( 1 );
1471 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1473 FREE( p_box->data.p_stdp->i_priority )
1476 static int MP4_ReadBox_padb( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1480 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1482 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1485 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1487 p_box->data.p_padb->i_reserved1 =
1488 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1489 p_box->data.p_padb->i_pad2 =
1490 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1491 p_box->data.p_padb->i_reserved2 =
1492 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1493 p_box->data.p_padb->i_pad1 =
1494 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1497 for( i = 0; i < i_read / 2 ; i++ )
1499 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1500 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1501 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1502 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1504 p_peek += 1; i_read -= 1;
1508 msg_Dbg( p_stream->p_input, "Read Box: \"stdp\" entry-count "I64Fd,
1512 MP4_READBOX_EXIT( 1 );
1515 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1517 FREE( p_box->data.p_padb->i_reserved1 );
1518 FREE( p_box->data.p_padb->i_pad2 );
1519 FREE( p_box->data.p_padb->i_reserved2 );
1520 FREE( p_box->data.p_padb->i_pad1 );
1523 static int MP4_ReadBox_elst( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1527 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1529 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1532 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1534 p_box->data.p_elst->i_segment_duration =
1535 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1536 p_box->data.p_elst->i_media_time =
1537 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1538 p_box->data.p_elst->i_media_rate_integer =
1539 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1540 p_box->data.p_elst->i_media_rate_fraction=
1541 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1544 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1546 if( p_box->data.p_elst->i_version == 1 )
1549 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1551 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1556 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1558 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1561 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1562 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1566 msg_Dbg( p_stream->p_input, "Read Box: \"elst\" entry-count "I64Fd,
1570 MP4_READBOX_EXIT( 1 );
1573 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1575 FREE( p_box->data.p_elst->i_segment_duration );
1576 FREE( p_box->data.p_elst->i_media_time );
1577 FREE( p_box->data.p_elst->i_media_rate_integer );
1578 FREE( p_box->data.p_elst->i_media_rate_fraction );
1581 static int MP4_ReadBox_cprt( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1583 unsigned int i_language;
1586 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1588 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1590 i_language = GetWBE( p_peek );
1591 for( i = 0; i < 3; i++ )
1593 p_box->data.p_cprt->i_language[i] =
1594 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1596 p_peek += 2; i_read -= 2;
1597 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1600 msg_Dbg( p_stream->p_input, "Read Box: \"cprt\" language %c%c%c notice %s",
1601 p_box->data.p_cprt->i_language[0],
1602 p_box->data.p_cprt->i_language[1],
1603 p_box->data.p_cprt->i_language[2],
1604 p_box->data.p_cprt->psz_notice );
1607 MP4_READBOX_EXIT( 1 );
1610 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1612 FREE( p_box->data.p_cprt->psz_notice );
1616 static int MP4_ReadBox_dcom( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1618 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1620 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1622 msg_Dbg( p_stream->p_input,
1623 "Read Box: \"dcom\" compression algorithm : %4.4s",
1624 (char*)&p_box->data.p_dcom->i_algorithm );
1626 MP4_READBOX_EXIT( 1 );
1629 static int MP4_ReadBox_cmvd( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1631 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1633 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1635 p_box->data.p_cmvd->i_compressed_size = i_read;
1637 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1639 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" not enough memory to load data" );
1643 /* now copy compressed data */
1644 memcpy( p_box->data.p_cmvd->p_data,
1648 p_box->data.p_cmvd->b_compressed = 1;
1651 msg_Dbg( p_stream->p_input, "Read Box: \"cmvd\" compressed data size %d",
1652 p_box->data.p_cmvd->i_compressed_size );
1655 MP4_READBOX_EXIT( 1 );
1657 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1659 FREE( p_box->data.p_cmvd->p_data );
1663 static int MP4_ReadBox_cmov( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1665 MP4_Stream_t *p_stream_memory;
1676 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1678 msg_Err( p_stream->p_input, "out of memory" );
1681 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1683 if( !p_box->p_father ||
1684 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1686 msg_Warn( p_stream->p_input, "Read box: \"cmov\" box alone" );
1690 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1695 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1696 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1697 p_cmvd->data.p_cmvd->p_data == NULL )
1699 msg_Warn( p_stream->p_input, "Read Box: \"cmov\" incomplete" );
1703 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1705 msg_Dbg( p_stream->p_input, "Read Box: \"cmov\" compression algorithm : %4.4s not supported",
1706 (char*)&p_dcom->data.p_dcom->i_algorithm );
1711 msg_Dbg( p_stream->p_input,
1712 "Read Box: \"cmov\" zlib unsupported" );
1715 /* decompress data */
1716 /* allocate a new buffer */
1717 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1719 msg_Err( p_stream->p_input,
1720 "Read Box: \"cmov\" not enough memory to uncompress data" );
1723 /* init default structures */
1724 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1725 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1726 z_data.next_out = p_data;
1727 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1728 z_data.zalloc = (alloc_func)Z_NULL;
1729 z_data.zfree = (free_func)Z_NULL;
1730 z_data.opaque = (voidpf)Z_NULL;
1733 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1735 msg_Err( p_stream->p_input,
1736 "Read Box: \"cmov\" error while uncompressing data" );
1742 i_result = inflate( &z_data, Z_NO_FLUSH );
1743 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1745 msg_Err( p_stream->p_input,
1746 "Read Box: \"cmov\" error while uncompressing data" );
1751 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1753 msg_Warn( p_stream->p_input,
1754 "Read Box: \"cmov\" uncompressing data size mismatch" );
1756 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1759 i_result = inflateEnd( &z_data );
1760 if( i_result != Z_OK )
1762 msg_Warn( p_stream->p_input,
1763 "Read Box: \"cmov\" error while uncompressing data (ignored)" );
1767 free( p_cmvd->data.p_cmvd->p_data );
1768 p_cmvd->data.p_cmvd->p_data = p_data;
1769 p_cmvd->data.p_cmvd->b_compressed = 0;
1771 msg_Dbg( p_stream->p_input,
1772 "Read Box: \"cmov\" box succesfully uncompressed" );
1774 /* now create a memory stream */
1775 p_stream_memory = MP4_MemoryStream( p_stream->p_input,
1776 p_cmvd->data.p_cmvd->i_uncompressed_size,
1777 p_cmvd->data.p_cmvd->p_data );
1779 /* and read uncompressd moov */
1780 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1782 free( p_stream_memory );
1785 msg_Dbg( p_stream->p_input,
1786 "Read Box: \"cmov\" compressed movie header completed" );
1788 return( p_box->data.p_cmov->p_moov ? 1 : 0 );
1789 #endif /* HAVE_ZLIB_H */
1792 static int MP4_ReadBox_rdrf( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1795 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1797 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1798 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1799 MP4_GET4BYTES( i_len );
1803 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1804 for( i = 0; i < i_len; i++ )
1806 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1808 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1812 p_box->data.p_rdrf->psz_ref = NULL;
1816 msg_Dbg( p_stream->p_input,
1817 "Read Box: \"rdrf\" type:%4.4s ref %s",
1818 (char*)&p_box->data.p_rdrf->i_ref_type,
1819 p_box->data.p_rdrf->psz_ref );
1822 MP4_READBOX_EXIT( 1 );
1825 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1827 FREE( p_box->data.p_rdrf->psz_ref )
1831 static int MP4_ReadBox_rmdr( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1833 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1835 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1837 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1840 msg_Dbg( p_stream->p_input,
1841 "Read Box: \"rmdr\" rate:%d",
1842 p_box->data.p_rmdr->i_rate );
1844 MP4_READBOX_EXIT( 1 );
1847 static int MP4_ReadBox_rmqu( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1849 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1851 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1854 msg_Dbg( p_stream->p_input,
1855 "Read Box: \"rmqu\" quality:%d",
1856 p_box->data.p_rmqu->i_quality );
1858 MP4_READBOX_EXIT( 1 );
1861 static int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
1863 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1864 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1866 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1867 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1868 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1869 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1872 msg_Dbg( p_stream->p_input,
1873 "Read Box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1874 (char*)&p_box->data.p_rmvc->i_gestaltType,
1875 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1876 p_box->data.p_rmvc->i_checkType );
1879 MP4_READBOX_EXIT( 1 );
1882 /**** ------------------------------------------------------------------- ****/
1883 /**** "Higher level" Functions ****/
1884 /**** ------------------------------------------------------------------- ****/
1889 int (*MP4_ReadBox_function )( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
1890 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
1891 } MP4_Box_Function [] =
1894 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1895 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1896 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1897 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1898 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1899 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1900 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1901 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1902 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1903 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1904 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1905 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1906 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1907 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1908 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1909 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
1912 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
1913 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
1914 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
1915 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
1916 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
1917 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
1918 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
1919 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
1920 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
1921 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
1922 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
1923 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
1924 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
1925 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
1926 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
1927 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
1928 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
1929 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1930 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
1931 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
1932 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
1933 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
1934 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
1935 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
1936 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
1937 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
1938 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
1939 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
1941 /* Nothing to do with this box */
1942 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1943 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1944 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1945 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
1948 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1949 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1950 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1951 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1952 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1953 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1954 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1955 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1956 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1957 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1958 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1959 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1960 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1961 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1962 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1963 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1964 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1965 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1966 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1967 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1968 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_Common },
1970 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1971 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1972 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1973 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1974 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1975 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1976 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1977 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1978 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1979 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1980 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1981 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1982 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1983 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1984 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1985 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1986 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1987 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1988 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1989 { FOURCC_mjqt, NULL, NULL }, /* found in mjpa/b */
1990 { FOURCC_mjht, NULL, NULL },
1991 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1992 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1993 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1994 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1996 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_Common },
1998 { FOURCC_mp4s, NULL, MP4_FreeBox_Common },
2000 /* XXX there is 2 box where we could find this entry stbl and tref*/
2001 { FOURCC_hint, NULL, MP4_FreeBox_Common },
2003 /* found in tref box */
2004 { FOURCC_dpnd, NULL, NULL },
2005 { FOURCC_ipir, NULL, NULL },
2006 { FOURCC_mpod, NULL, NULL },
2009 { FOURCC_rtp, NULL, NULL },
2012 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2013 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2014 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2015 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2023 /*****************************************************************************
2024 * MP4_ReadBox : parse the actual box and the children
2025 * XXX : Do not go to the next box
2026 *****************************************************************************/
2027 static MP4_Box_t *MP4_ReadBox( MP4_Stream_t *p_stream, MP4_Box_t *p_father )
2029 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2030 unsigned int i_index;
2032 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2034 msg_Warn( p_stream->p_input, "Cannot read one box" );
2038 if( !p_box->i_size )
2040 msg_Dbg( p_stream->p_input, "Found an empty box (null size)" );
2044 p_box->p_father = p_father;
2046 /* Now search function to call */
2047 for( i_index = 0; ; i_index++ )
2049 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2050 ( MP4_Box_Function[i_index].i_type == 0 ) )
2055 if( MP4_Box_Function[i_index].MP4_ReadBox_function == NULL )
2057 msg_Warn( p_stream->p_input,
2058 "Unknown box type %4.4s (uncompletetly loaded)",
2059 (char*)&p_box->i_type );
2061 else if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2070 /*****************************************************************************
2071 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2073 *****************************************************************************/
2074 void MP4_BoxFree( input_thread_t *p_input, MP4_Box_t *p_box )
2076 unsigned int i_index;
2084 for( p_child = p_box->p_first; p_child != NULL; )
2088 p_next = p_child->p_next;
2089 MP4_BoxFree( p_input, p_child );
2093 /* Now search function to call */
2094 if( p_box->data.p_data )
2096 for( i_index = 0; ; i_index++ )
2098 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2099 ( MP4_Box_Function[i_index].i_type == 0 ) )
2104 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2106 /* Should not happen */
2108 "cannot free box %4.4s, type unknown",
2109 (char*)&p_box->i_type );
2113 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2116 free( p_box->data.p_data );
2122 /*****************************************************************************
2123 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2124 *****************************************************************************
2125 * The first box is a virtual box "root" and is the father for all first
2126 * level boxes for the file, a sort of virtual contener
2127 *****************************************************************************/
2128 MP4_Box_t *MP4_BoxGetRoot( input_thread_t *p_input )
2131 MP4_Stream_t *p_stream;
2134 p_root = malloc( sizeof( MP4_Box_t ) );
2136 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2137 p_root->i_shortsize = 1;
2138 p_root->i_size = p_input->stream.p_selected_area->i_size;
2139 CreateUUID( &p_root->i_uuid, p_root->i_type );
2141 p_root->data.p_data = NULL;
2142 p_root->p_father = NULL;
2143 p_root->p_first = NULL;
2144 p_root->p_last = NULL;
2145 p_root->p_next = NULL;
2147 p_stream = MP4_InputStream( p_input );
2149 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2159 /* check if there is a cmov, if so replace
2160 compressed moov by uncompressed one */
2161 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2162 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2163 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2164 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2166 /* rename the compressed moov as a box to skip */
2167 p_moov->i_type = FOURCC_skip;
2169 /* get uncompressed p_moov */
2170 p_moov = p_cmov->data.p_cmov->p_moov;
2171 p_cmov->data.p_cmov->p_moov = NULL;
2173 /* make p_root father of this new moov */
2174 p_moov->p_father = p_root;
2176 /* insert this new moov box as first child of p_root */
2177 p_moov->p_next = p_child = p_root->p_first;
2178 p_root->p_first = p_moov;
2186 static void __MP4_BoxDumpStructure( input_thread_t *p_input,
2187 MP4_Box_t *p_box, unsigned int i_level )
2193 msg_Dbg( p_input, "Dumping root Box \"%4.4s\"",
2194 (char*)&p_box->i_type );
2200 memset( str, (uint8_t)' ', 512 );
2201 for( i = 0; i < i_level; i++ )
2205 sprintf( str + i_level * 5, "+ %4.4s size %d",
2206 (char*)&p_box->i_type,
2207 (uint32_t)p_box->i_size );
2209 msg_Dbg( p_input, "%s", str );
2211 p_child = p_box->p_first;
2214 __MP4_BoxDumpStructure( p_input, p_child, i_level + 1 );
2215 p_child = p_child->p_next;
2219 void MP4_BoxDumpStructure( input_thread_t *p_input, MP4_Box_t *p_box )
2221 __MP4_BoxDumpStructure( p_input, p_box, 0 );
2226 /*****************************************************************************
2227 *****************************************************************************
2229 ** High level methods to acces an MP4 file
2231 *****************************************************************************
2232 *****************************************************************************/
2233 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2236 if( !*ppsz_path[0] )
2243 while( (*ppsz_path)[i_len] &&
2244 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2248 if( !i_len && **ppsz_path == '/' )
2252 *ppsz_token = malloc( i_len + 1 );
2254 memcpy( *ppsz_token, *ppsz_path, i_len );
2256 (*ppsz_token)[i_len] = '\0';
2258 *ppsz_path += i_len;
2260 if( **ppsz_path == '[' )
2263 *pi_number = strtol( *ppsz_path, NULL, 10 );
2264 while( **ppsz_path && **ppsz_path != ']' )
2268 if( **ppsz_path == ']' )
2277 while( **ppsz_path == '/' )
2283 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2284 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2287 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
2297 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
2298 vasprintf( &psz_path, psz_fmt, args );
2300 i_size = strlen( psz_fmt ) + 1024;
2301 psz_path = calloc( i_size, sizeof( char ) );
2302 vsnprintf( psz_path, i_size, psz_fmt, args );
2303 psz_path[i_size - 1] = 0;
2306 if( !psz_path || !psz_path[0] )
2313 // fprintf( stderr, "path:'%s'\n", psz_path );
2314 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2320 __get_token( &psz_path, &psz_token, &i_number );
2321 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2322 // psz_path,psz_token,i_number );
2331 if( !strcmp( psz_token, "/" ) )
2334 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2336 p_box = p_box->p_father;
2347 if( !strcmp( psz_token, "." ) )
2352 if( !strcmp( psz_token, ".." ) )
2354 p_box = p_box->p_father;
2364 if( strlen( psz_token ) == 4 )
2367 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2368 psz_token[2], psz_token[3] );
2369 p_box = p_box->p_first;
2379 if( p_box->i_type == i_fourcc )
2387 p_box = p_box->p_next;
2391 if( strlen( psz_token ) == 0 )
2393 p_box = p_box->p_first;
2408 p_box = p_box->p_next;
2413 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2424 /*****************************************************************************
2425 * MP4_BoxGet: find a box given a path relative to p_box
2426 *****************************************************************************
2427 * Path Format: . .. / as usual
2428 * [number] to specifie box number ex: trak[12]
2430 * ex: /moov/trak[12]
2432 *****************************************************************************/
2433 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2436 MP4_Box_t *p_result;
2438 va_start( args, psz_fmt );
2439 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2445 /*****************************************************************************
2446 * MP4_BoxCount: count box given a path relative to p_box
2447 *****************************************************************************
2448 * Path Format: . .. / as usual
2449 * [number] to specifie box number ex: trak[12]
2451 * ex: /moov/trak[12]
2453 *****************************************************************************/
2454 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2458 MP4_Box_t *p_result, *p_next;
2460 va_start( args, psz_fmt );
2461 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2469 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2471 if( p_next->i_type == p_result->i_type)