1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 VideoLAN
7 * Author: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
23 #include <stdlib.h> /* malloc(), free() */
26 #include <vlc/input.h>
29 # include <zlib.h> /* for compressed moov */
35 /*****************************************************************************
36 * Here are defined some macro to make life simpler but before using it
39 *****************************************************************************/
40 #define MP4_BOX_HEADERSIZE( p_box ) \
41 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
42 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
44 #define MP4_GET1BYTE( dst ) \
45 dst = *p_peek; p_peek++; i_read--
47 #define MP4_GET2BYTES( dst ) \
48 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
50 #define MP4_GET3BYTES( dst ) \
51 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
53 #define MP4_GET4BYTES( dst ) \
54 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
56 #define MP4_GETFOURCC( dst ) \
57 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
58 p_peek += 4; i_read -= 4
60 #define MP4_GET8BYTES( dst ) \
61 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
63 #define MP4_GETVERSIONFLAGS( p_void ) \
64 MP4_GET1BYTE( p_void->i_version ); \
65 MP4_GET3BYTES( p_void->i_flags )
67 #define MP4_GETSTRINGZ( p_str ) \
68 if( ( i_read > 0 )&&(p_peek[0] ) ) \
70 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
71 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
72 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
73 p_peek += strlen( p_str ) + 1; \
74 i_read -= strlen( p_str ) + 1; \
82 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
83 int64_t i_read = p_box->i_size; \
84 uint8_t *p_peek, *p_buff; \
85 i_read = p_box->i_size; \
86 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
90 if( stream_Read( p_stream, p_peek, i_read ) < i_read )\
95 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
96 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
97 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
103 #define MP4_READBOX_EXIT( i_code ) \
107 msg_Warn( p_stream, "Not enough data" ); \
112 if( p ) {free( p ); p = NULL; }
117 * The input method HAVE to be seekable
121 static uint32_t Get24bBE( uint8_t *p )
123 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
126 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
128 memcpy( p_uuid, p_buff, 16 );
131 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
133 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
134 where XXXXXXXX is the fourcc */
135 /* FIXME implement this */
138 /* some functions for mp4 encoding of variables */
140 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
147 /* date begin at 1 jan 1904 */
148 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
150 i_day = i_date / ( 60*60*24);
151 i_hour = ( i_date /( 60*60 ) ) % 60;
152 i_min = ( i_date / 60 ) % 60;
154 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds",
155 i_day, i_hour, i_min, i_sec );
158 /*****************************************************************************
160 *****************************************************************************/
161 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
164 /*****************************************************************************
165 * MP4_ReadBoxCommon : Load only common parameters for all boxes
166 *****************************************************************************
167 * p_box need to be an already allocated MP4_Box_t, and all data
168 * will only be peek not read
170 * RETURN : 0 if it fail, 1 otherwise
171 *****************************************************************************/
172 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
177 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
181 p_box->i_pos = stream_Tell( p_stream );
183 p_box->data.p_data = NULL;
184 p_box->p_father = NULL;
185 p_box->p_first = NULL;
186 p_box->p_last = NULL;
187 p_box->p_next = NULL;
189 MP4_GET4BYTES( p_box->i_shortsize );
190 MP4_GETFOURCC( p_box->i_type );
192 /* Now special case */
194 if( p_box->i_shortsize == 1 )
196 /* get the true size on 64 bits */
197 MP4_GET8BYTES( p_box->i_size );
201 p_box->i_size = p_box->i_shortsize;
202 /* XXX size of 0 means that the box extends to end of file */
205 if( p_box->i_type == FOURCC_uuid )
207 /* get extented type on 16 bytes */
208 GetUUID( &p_box->i_uuid, p_peek );
209 p_peek += 16; i_read -= 16;
213 CreateUUID( &p_box->i_uuid, p_box->i_type );
218 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
219 (char*)&p_box->i_type,
228 /*****************************************************************************
229 * MP4_NextBox : Go to the next box
230 *****************************************************************************
231 * if p_box == NULL, go to the next box in witch we are( at the begining ).
232 *****************************************************************************/
233 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
239 MP4_ReadBoxCommon( p_stream, &box );
245 return( 2 ); /* Box with infinite size */
248 if( p_box->p_father )
250 /* check if it's within p-father */
251 if( p_box->i_size + p_box->i_pos >=
252 p_box->p_father->i_size + p_box->p_father->i_pos )
254 return( 0 ); /* out of bound */
257 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
265 /*****************************************************************************
266 * For all known box a loader is given,
267 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
268 * after called one of theses functions, file position is unknown
269 * you need to call MP4_GotoBox to go where you want
270 *****************************************************************************/
271 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
275 if( stream_Tell( p_stream ) + 8 >
276 (off_t)(p_container->i_pos + p_container->i_size) )
278 /* there is no box to load */
284 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL )
288 /* chain this box with the father and the other at same level */
289 if( !p_container->p_first )
291 p_container->p_first = p_box;
295 p_container->p_last->p_next = p_box;
297 p_container->p_last = p_box;
298 } while( MP4_NextBox( p_stream, p_box ) == 1 );
304 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
306 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
308 /* container is empty, 8 stand for the first header in this box */
313 stream_Seek( p_stream, p_container->i_pos + MP4_BOX_HEADERSIZE( p_container ) );
315 return( MP4_ReadBoxContainerRaw( p_stream, p_container ) );
318 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
320 /* Up to now do nothing */
323 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
325 /* XXX sometime moov is hiden in a free box */
326 if( p_box->p_father && p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' )&&
327 p_box->i_type == FOURCC_free )
333 i_read = stream_Peek( p_stream, &p_peek, 44 );
335 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
336 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
340 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
342 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
344 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
346 p_box->i_type = FOURCC_foov;
347 return MP4_ReadBoxContainer( p_stream, p_box );
353 msg_Dbg( p_stream, "skip box: \"%4.4s\"",
354 (char*)&p_box->i_type );
359 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
361 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
363 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
364 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
366 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
369 p_box->data.p_ftyp->i_compatible_brands =
370 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
372 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
374 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
379 p_box->data.p_ftyp->i_compatible_brands = NULL;
382 MP4_READBOX_EXIT( 1 );
385 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
387 FREE( p_box->data.p_ftyp->i_compatible_brands );
391 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
395 char s_creation_time[128];
396 char s_modification_time[128];
397 char s_duration[128];
399 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
401 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
403 if( p_box->data.p_mvhd->i_version )
405 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
406 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
407 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
408 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
412 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
413 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
414 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
415 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
417 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
418 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
419 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
422 for( i = 0; i < 2; i++ )
424 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
426 for( i = 0; i < 9; i++ )
428 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
430 for( i = 0; i < 6; i++ )
432 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
435 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
439 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
440 MP4_ConvertDate2Str( s_modification_time,
441 p_box->data.p_mvhd->i_modification_time );
442 if( p_box->data.p_mvhd->i_rate )
444 MP4_ConvertDate2Str( s_duration,
445 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
451 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
454 (uint32_t)p_box->data.p_mvhd->i_timescale,
456 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
457 (float)p_box->data.p_mvhd->i_volume / 256 ,
458 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
460 MP4_READBOX_EXIT( 1 );
463 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
467 char s_creation_time[128];
468 char s_modification_time[128];
469 char s_duration[128];
471 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
473 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
475 if( p_box->data.p_tkhd->i_version )
477 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
478 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
479 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
480 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
481 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
485 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
486 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
487 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
488 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
489 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
492 for( i = 0; i < 2; i++ )
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
496 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
497 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
498 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
499 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
501 for( i = 0; i < 9; i++ )
503 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
505 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
506 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
509 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
510 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
511 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
513 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
517 p_box->data.p_tkhd->i_track_ID,
518 p_box->data.p_tkhd->i_layer,
519 (float)p_box->data.p_tkhd->i_volume / 256 ,
520 (float)p_box->data.p_tkhd->i_width / 65536,
521 (float)p_box->data.p_tkhd->i_height / 65536 );
523 MP4_READBOX_EXIT( 1 );
527 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
532 char s_creation_time[128];
533 char s_modification_time[128];
534 char s_duration[128];
536 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
538 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
540 if( p_box->data.p_mdhd->i_version )
542 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
543 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
544 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
545 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
549 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
550 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
551 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
552 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
554 i_language = GetWBE( p_peek );
555 for( i = 0; i < 3; i++ )
557 p_box->data.p_mdhd->i_language[i] =
558 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
561 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
564 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
565 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
566 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
567 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
570 (uint32_t)p_box->data.p_mdhd->i_timescale,
572 p_box->data.p_mdhd->i_language[0],
573 p_box->data.p_mdhd->i_language[1],
574 p_box->data.p_mdhd->i_language[2] );
576 MP4_READBOX_EXIT( 1 );
580 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
584 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
586 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
588 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
589 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
591 MP4_GET4BYTES( i_reserved );
592 MP4_GET4BYTES( i_reserved );
593 MP4_GET4BYTES( i_reserved );
595 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
597 /* Yes, I love .mp4 :( */
598 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
603 MP4_GET1BYTE( i_len );
604 i_copy = __MIN( i_read, i_len );
606 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
607 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
611 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
612 p_box->data.p_hdlr->psz_name[i_read] = '\0';
617 msg_Dbg( p_stream, "read box: \"hdlr\" hanler type %4.4s name %s",
618 (char*)&p_box->data.p_hdlr->i_handler_type,
619 p_box->data.p_hdlr->psz_name );
622 MP4_READBOX_EXIT( 1 );
625 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
627 FREE( p_box->data.p_hdlr->psz_name );
630 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
634 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
636 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
638 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
639 for( i = 0; i < 3; i++ )
641 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
645 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
646 p_box->data.p_vmhd->i_graphics_mode,
647 p_box->data.p_vmhd->i_opcolor[0],
648 p_box->data.p_vmhd->i_opcolor[1],
649 p_box->data.p_vmhd->i_opcolor[2] );
651 MP4_READBOX_EXIT( 1 );
654 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
656 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
658 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
662 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
664 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
667 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
668 (float)p_box->data.p_smhd->i_balance / 256 );
670 MP4_READBOX_EXIT( 1 );
674 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
676 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
678 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
680 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
681 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
683 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
684 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
686 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
689 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
690 p_box->data.p_hmhd->i_max_PDU_size,
691 p_box->data.p_hmhd->i_avg_PDU_size,
692 p_box->data.p_hmhd->i_max_bitrate,
693 p_box->data.p_hmhd->i_avg_bitrate );
695 MP4_READBOX_EXIT( 1 );
698 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
700 MP4_READBOX_ENTER( MP4_Box_data_url_t );
702 MP4_GETVERSIONFLAGS( p_box->data.p_url );
703 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
706 msg_Dbg( p_stream, "read box: \"url\" url: %s",
707 p_box->data.p_url->psz_location );
710 MP4_READBOX_EXIT( 1 );
714 static void MP4_FreeBox_url( MP4_Box_t *p_box )
716 FREE( p_box->data.p_url->psz_location )
719 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
721 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
723 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
725 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
726 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
729 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
730 p_box->data.p_urn->psz_name,
731 p_box->data.p_urn->psz_location );
733 MP4_READBOX_EXIT( 1 );
735 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
737 FREE( p_box->data.p_urn->psz_name );
738 FREE( p_box->data.p_urn->psz_location );
742 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
744 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
746 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
748 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
750 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
751 MP4_ReadBoxContainerRaw( p_stream, p_box );
754 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
755 p_box->data.p_dref->i_entry_count );
758 MP4_READBOX_EXIT( 1 );
762 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
765 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
767 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
768 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
770 p_box->data.p_stts->i_sample_count =
771 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
772 p_box->data.p_stts->i_sample_delta =
773 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
775 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
777 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
778 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
782 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
783 p_box->data.p_stts->i_entry_count );
786 MP4_READBOX_EXIT( 1 );
789 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
791 FREE( p_box->data.p_stts->i_sample_count );
792 FREE( p_box->data.p_stts->i_sample_delta );
795 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
798 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
800 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
802 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
804 p_box->data.p_ctts->i_sample_count =
805 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
806 p_box->data.p_ctts->i_sample_offset =
807 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
809 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
811 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
812 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
816 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
817 p_box->data.p_ctts->i_entry_count );
820 MP4_READBOX_EXIT( 1 );
823 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
825 FREE( p_box->data.p_ctts->i_sample_count );
826 FREE( p_box->data.p_ctts->i_sample_offset );
829 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
832 unsigned int i_len = 0;
839 i_len = ( i_len << 7 ) + ( i_b&0x7f );
844 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
846 #define es_descriptor p_box->data.p_esds->es_descriptor
848 unsigned int i_flags;
851 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
853 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
856 MP4_GET1BYTE( i_type );
857 if( i_type == 0x03 ) /* MP4ESDescrTag */
859 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
862 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
866 MP4_GET2BYTES( es_descriptor.i_ES_ID );
867 MP4_GET1BYTE( i_flags );
868 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
869 es_descriptor.b_url = ( (i_flags&0x40) != 0);
870 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
872 es_descriptor.i_stream_priority = i_flags&0x1f;
873 if( es_descriptor.b_stream_dependence )
875 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
877 if( es_descriptor.b_url )
881 MP4_GET1BYTE( i_len );
882 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
883 memcpy( es_descriptor.psz_URL, p_peek, i_len );
884 es_descriptor.psz_URL[i_len] = 0;
890 es_descriptor.psz_URL = NULL;
892 if( es_descriptor.b_OCRstream )
894 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
896 MP4_GET1BYTE( i_type ); /* get next type */
899 if( i_type != 0x04)/* MP4DecConfigDescrTag */
901 es_descriptor.p_decConfigDescr = NULL;
902 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
905 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
908 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
912 es_descriptor.p_decConfigDescr =
913 malloc( sizeof( MP4_descriptor_decoder_config_t ));
915 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
916 MP4_GET1BYTE( i_flags );
917 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
918 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
919 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
920 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
921 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
922 MP4_GET1BYTE( i_type );
923 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
925 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
926 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
927 MP4_READBOX_EXIT( 1 );
930 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
933 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
937 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
938 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
939 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
942 MP4_READBOX_EXIT( 1 );
947 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
949 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
950 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
952 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
954 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
957 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
959 MP4_Box_data_avcC_t *p_avcC;
962 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
963 p_avcC = p_box->data.p_avcC;
965 p_avcC->i_avcC = i_read;
966 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
967 memcpy( p_avcC->p_avcC, p_peek, i_read );
969 MP4_GET1BYTE( p_avcC->i_version );
970 MP4_GET1BYTE( p_avcC->i_profile );
971 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
972 MP4_GET1BYTE( p_avcC->i_level );
973 MP4_GET1BYTE( p_avcC->i_reserved1 );
974 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
975 p_avcC->i_reserved1 >>= 2;
977 MP4_GET1BYTE( p_avcC->i_reserved2 );
978 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
979 p_avcC->i_reserved2 >>= 5;
981 if( p_avcC->i_sps > 0 )
983 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
984 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
986 for( i = 0; i < p_avcC->i_sps; i++ )
988 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
989 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
990 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
992 p_peek += p_avcC->i_sps_length[i];
993 i_read -= p_avcC->i_sps_length[i];
997 MP4_GET1BYTE( p_avcC->i_pps );
998 if( p_avcC->i_pps > 0 )
1000 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1001 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1003 for( i = 0; i < p_avcC->i_pps; i++ )
1005 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1006 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1007 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1009 p_peek += p_avcC->i_pps_length[i];
1010 i_read -= p_avcC->i_pps_length[i];
1015 "read box: \"avcC\" version=%d profile=0x%x level=0x%x lengh size=%d sps=%d pps=%d",
1016 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1017 p_avcC->i_length_size,
1018 p_avcC->i_sps, p_avcC->i_pps );
1019 for( i = 0; i < p_avcC->i_sps; i++ )
1021 msg_Dbg( p_stream, " - sps[%d] length=%d",
1022 i, p_avcC->i_sps_length[i] );
1024 for( i = 0; i < p_avcC->i_pps; i++ )
1026 msg_Dbg( p_stream, " - pps[%d] length=%d",
1027 i, p_avcC->i_pps_length[i] );
1031 MP4_READBOX_EXIT( 1 );
1034 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1036 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1039 for( i = 0; i < p_avcC->i_sps; i++ )
1041 FREE( p_avcC->sps[i] );
1043 for( i = 0; i < p_avcC->i_pps; i++ )
1045 FREE( p_avcC->pps[i] );
1047 if( p_avcC->i_sps > 0 ) FREE( p_avcC->sps );
1048 if( p_avcC->i_pps > 0 ) FREE( p_avcC->pps );
1051 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1055 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1056 p_box->data.p_sample_soun->p_qt_description = NULL;
1058 /* Sanity check needed because the "wave" box does also contain an
1059 * "mp4a" box that we don't understand. */
1063 MP4_READBOX_EXIT( 1 );
1066 for( i = 0; i < 6 ; i++ )
1068 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1071 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1074 * XXX hack -> produce a copy of the nearly complete chunk
1078 p_box->data.p_sample_soun->i_qt_description = i_read;
1079 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1080 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1084 p_box->data.p_sample_soun->i_qt_description = 0;
1085 p_box->data.p_sample_soun->p_qt_description = NULL;
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1090 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1093 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1094 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1095 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1096 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1097 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1099 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1103 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1104 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1105 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1106 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1110 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1111 "bytes/frame=%d bytes/sample=%d",
1112 p_box->data.p_sample_soun->i_sample_per_packet,
1113 p_box->data.p_sample_soun->i_bytes_per_packet,
1114 p_box->data.p_sample_soun->i_bytes_per_frame,
1115 p_box->data.p_sample_soun->i_bytes_per_sample );
1117 stream_Seek( p_stream, p_box->i_pos +
1118 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1122 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1123 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1124 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1125 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1127 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1129 stream_Seek( p_stream, p_box->i_pos +
1130 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1133 if( p_box->i_type == FOURCC_drms )
1135 p_box->data.p_sample_soun->p_drms =
1136 drms_alloc( p_stream->p_vlc->psz_homedir );
1138 if( p_box->data.p_sample_soun->p_drms == NULL )
1140 msg_Err( p_stream, "drms_alloc() failed" );
1144 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1147 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1148 "sample size %d sampl rate %f",
1149 p_box->data.p_sample_soun->i_channelcount,
1150 p_box->data.p_sample_soun->i_samplesize,
1151 (float)p_box->data.p_sample_soun->i_sampleratehi +
1152 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1155 MP4_READBOX_EXIT( 1 );
1159 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1161 FREE( p_box->data.p_sample_soun->p_qt_description );
1163 if( p_box->i_type == FOURCC_drms )
1165 if( p_box->data.p_sample_soun->p_drms )
1167 drms_free( p_box->data.p_sample_soun->p_drms );
1173 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1177 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1179 for( i = 0; i < 6 ; i++ )
1181 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1184 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1187 * XXX hack -> produce a copy of the nearly complete chunk
1191 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1192 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1193 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1198 p_box->data.p_sample_vide->i_qt_image_description = 0;
1199 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1202 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1203 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1204 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1206 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1207 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1209 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1210 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1212 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1213 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1215 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1216 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1218 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1219 p_peek += 32; i_read -= 32;
1221 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1222 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1224 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1225 MP4_ReadBoxContainerRaw( p_stream, p_box );
1228 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1229 p_box->data.p_sample_vide->i_width,
1230 p_box->data.p_sample_vide->i_height,
1231 p_box->data.p_sample_vide->i_depth );
1234 MP4_READBOX_EXIT( 1 );
1238 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1240 FREE( p_box->data.p_sample_vide->p_qt_image_description );
1243 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1245 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1246 MP4_ReadBoxContainerRaw( p_stream, p_box );
1250 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1254 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1256 for( i = 0; i < 6 ; i++ )
1258 MP4_GET1BYTE( p_box->data.p_sample_text->i_reserved1[i] );
1260 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1262 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1263 MP4_GET4BYTES( p_box->data.p_sample_text->i_justification );
1265 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1266 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1267 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1269 MP4_GET8BYTES( p_box->data.p_sample_text->i_text_box );
1270 MP4_GET8BYTES( p_box->data.p_sample_text->i_reserved2 );
1272 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_number );
1273 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_face );
1275 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved3 );
1277 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[0] );
1278 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[1] );
1279 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[2] );
1282 p_box->data.p_sample_text->psz_text_name = malloc( i + 1 );
1283 memcpy( p_box->data.p_sample_text->psz_text_name, p_peek, i );
1284 p_box->data.p_sample_text->psz_text_name[i] = '\0';
1287 msg_Dbg( p_stream, "read box: \"text\" in stsd text name=%s",
1288 p_box->data.p_sample_text->psz_text_name );
1290 MP4_READBOX_EXIT( 1 );
1294 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1295 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1297 FREE( p_box->data.p_sample_text->psz_text_name );
1302 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1305 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1307 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1309 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1311 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1313 MP4_ReadBoxContainerRaw( p_stream, p_box );
1316 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1317 p_box->data.p_stsd->i_entry_count );
1320 MP4_READBOX_EXIT( 1 );
1324 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1328 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1330 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1332 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1334 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1336 p_box->data.p_stsz->i_entry_size =
1337 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1339 if( !p_box->data.p_stsz->i_sample_size )
1341 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1343 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1348 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1349 p_box->data.p_stsz->i_sample_size,
1350 p_box->data.p_stsz->i_sample_count );
1353 MP4_READBOX_EXIT( 1 );
1356 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1358 FREE( p_box->data.p_stsz->i_entry_size );
1361 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1365 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1367 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1369 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1371 p_box->data.p_stsc->i_first_chunk =
1372 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1373 p_box->data.p_stsc->i_samples_per_chunk =
1374 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1375 p_box->data.p_stsc->i_sample_description_index =
1376 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1378 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1380 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1381 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1382 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1386 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1387 p_box->data.p_stsc->i_entry_count );
1390 MP4_READBOX_EXIT( 1 );
1393 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1395 FREE( p_box->data.p_stsc->i_first_chunk );
1396 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1397 FREE( p_box->data.p_stsc->i_sample_description_index );
1400 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1404 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1406 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1408 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1410 p_box->data.p_co64->i_chunk_offset =
1411 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1413 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1415 if( p_box->i_type == FOURCC_stco )
1421 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1429 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1434 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1435 p_box->data.p_co64->i_entry_count );
1438 MP4_READBOX_EXIT( 1 );
1441 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1443 FREE( p_box->data.p_co64->i_chunk_offset );
1446 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1450 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1452 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1454 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1456 p_box->data.p_stss->i_sample_number =
1457 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1459 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1462 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1463 /* XXX in libmp4 sample begin at 0 */
1464 p_box->data.p_stss->i_sample_number[i]--;
1468 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1469 p_box->data.p_stss->i_entry_count );
1472 MP4_READBOX_EXIT( 1 );
1475 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1477 FREE( p_box->data.p_stss->i_sample_number )
1480 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1484 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1486 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1489 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1491 p_box->data.p_stsh->i_shadowed_sample_number =
1492 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1494 p_box->data.p_stsh->i_sync_sample_number =
1495 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1498 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1501 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1502 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1506 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1507 p_box->data.p_stsh->i_entry_count );
1509 MP4_READBOX_EXIT( 1 );
1512 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1514 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1515 FREE( p_box->data.p_stsh->i_sync_sample_number )
1519 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1523 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1525 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1527 p_box->data.p_stdp->i_priority =
1528 calloc( sizeof( uint16_t ), i_read / 2 );
1530 for( i = 0; i < i_read / 2 ; i++ )
1533 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1537 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1541 MP4_READBOX_EXIT( 1 );
1544 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1546 FREE( p_box->data.p_stdp->i_priority )
1549 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1553 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1555 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1558 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1560 p_box->data.p_padb->i_reserved1 =
1561 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1562 p_box->data.p_padb->i_pad2 =
1563 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1564 p_box->data.p_padb->i_reserved2 =
1565 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1566 p_box->data.p_padb->i_pad1 =
1567 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1570 for( i = 0; i < i_read / 2 ; i++ )
1572 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1573 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1574 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1575 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1577 p_peek += 1; i_read -= 1;
1581 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1585 MP4_READBOX_EXIT( 1 );
1588 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1590 FREE( p_box->data.p_padb->i_reserved1 );
1591 FREE( p_box->data.p_padb->i_pad2 );
1592 FREE( p_box->data.p_padb->i_reserved2 );
1593 FREE( p_box->data.p_padb->i_pad1 );
1596 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1600 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1602 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1605 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1607 p_box->data.p_elst->i_segment_duration =
1608 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1609 p_box->data.p_elst->i_media_time =
1610 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1611 p_box->data.p_elst->i_media_rate_integer =
1612 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1613 p_box->data.p_elst->i_media_rate_fraction=
1614 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1617 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1619 if( p_box->data.p_elst->i_version == 1 )
1622 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1624 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1629 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1631 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1632 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1635 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1636 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1640 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1644 MP4_READBOX_EXIT( 1 );
1647 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1649 FREE( p_box->data.p_elst->i_segment_duration );
1650 FREE( p_box->data.p_elst->i_media_time );
1651 FREE( p_box->data.p_elst->i_media_rate_integer );
1652 FREE( p_box->data.p_elst->i_media_rate_fraction );
1655 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1657 unsigned int i_language;
1660 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1662 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1664 i_language = GetWBE( p_peek );
1665 for( i = 0; i < 3; i++ )
1667 p_box->data.p_cprt->i_language[i] =
1668 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1670 p_peek += 2; i_read -= 2;
1671 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1674 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1675 p_box->data.p_cprt->i_language[0],
1676 p_box->data.p_cprt->i_language[1],
1677 p_box->data.p_cprt->i_language[2],
1678 p_box->data.p_cprt->psz_notice );
1681 MP4_READBOX_EXIT( 1 );
1684 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1686 FREE( p_box->data.p_cprt->psz_notice );
1690 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1692 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1694 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1697 "read box: \"dcom\" compression algorithm : %4.4s",
1698 (char*)&p_box->data.p_dcom->i_algorithm );
1700 MP4_READBOX_EXIT( 1 );
1703 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1705 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1707 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1709 p_box->data.p_cmvd->i_compressed_size = i_read;
1711 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1713 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1717 /* now copy compressed data */
1718 memcpy( p_box->data.p_cmvd->p_data,
1722 p_box->data.p_cmvd->b_compressed = 1;
1725 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1726 p_box->data.p_cmvd->i_compressed_size );
1729 MP4_READBOX_EXIT( 1 );
1731 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1733 FREE( p_box->data.p_cmvd->p_data );
1737 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1742 stream_t *p_stream_memory;
1749 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1751 msg_Err( p_stream, "out of memory" );
1754 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1756 if( !p_box->p_father ||
1757 ( p_box->p_father->i_type != FOURCC_moov && p_box->p_father->i_type != FOURCC_foov) )
1759 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1763 if( !(i_result = MP4_ReadBoxContainer( p_stream, p_box ) ) )
1768 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1769 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1770 p_cmvd->data.p_cmvd->p_data == NULL )
1772 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1776 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1778 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s not supported",
1779 (char*)&p_dcom->data.p_dcom->i_algorithm );
1785 "read box: \"cmov\" zlib unsupported" );
1788 /* decompress data */
1789 /* allocate a new buffer */
1790 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1793 "read box: \"cmov\" not enough memory to uncompress data" );
1796 /* init default structures */
1797 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1798 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1799 z_data.next_out = p_data;
1800 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1801 z_data.zalloc = (alloc_func)Z_NULL;
1802 z_data.zfree = (free_func)Z_NULL;
1803 z_data.opaque = (voidpf)Z_NULL;
1806 if( ( i_result = inflateInit( &z_data ) ) != Z_OK )
1809 "read box: \"cmov\" error while uncompressing data" );
1815 i_result = inflate( &z_data, Z_NO_FLUSH );
1816 if( ( i_result != Z_OK )&&( i_result != Z_STREAM_END ) )
1819 "read box: \"cmov\" error while uncompressing data" );
1824 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1827 "read box: \"cmov\" uncompressing data size mismatch" );
1829 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1832 i_result = inflateEnd( &z_data );
1833 if( i_result != Z_OK )
1836 "read box: \"cmov\" error while uncompressing data (ignored)" );
1840 free( p_cmvd->data.p_cmvd->p_data );
1841 p_cmvd->data.p_cmvd->p_data = p_data;
1842 p_cmvd->data.p_cmvd->b_compressed = 0;
1845 "read box: \"cmov\" box succesfully uncompressed" );
1847 /* now create a memory stream */
1848 p_stream_memory = stream_MemoryNew( VLC_OBJECT(p_stream),
1849 p_cmvd->data.p_cmvd->p_data,
1850 p_cmvd->data.p_cmvd->i_uncompressed_size);
1852 /* and read uncompressd moov */
1853 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1855 free( p_stream_memory );
1859 "read box: \"cmov\" compressed movie header completed" );
1861 return( p_box->data.p_cmov->p_moov ? 1 : 0 );
1862 #endif /* HAVE_ZLIB_H */
1865 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1868 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1870 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1871 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1872 MP4_GET4BYTES( i_len );
1876 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1877 for( i = 0; i < i_len; i++ )
1879 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1881 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1885 p_box->data.p_rdrf->psz_ref = NULL;
1890 "read box: \"rdrf\" type:%4.4s ref %s",
1891 (char*)&p_box->data.p_rdrf->i_ref_type,
1892 p_box->data.p_rdrf->psz_ref );
1895 MP4_READBOX_EXIT( 1 );
1898 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1900 FREE( p_box->data.p_rdrf->psz_ref )
1904 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1906 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1908 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1910 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1914 "read box: \"rmdr\" rate:%d",
1915 p_box->data.p_rmdr->i_rate );
1917 MP4_READBOX_EXIT( 1 );
1920 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1922 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1924 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1928 "read box: \"rmqu\" quality:%d",
1929 p_box->data.p_rmqu->i_quality );
1931 MP4_READBOX_EXIT( 1 );
1934 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
1936 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1937 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1939 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1940 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1941 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1942 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1946 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1947 (char*)&p_box->data.p_rmvc->i_gestaltType,
1948 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1949 p_box->data.p_rmvc->i_checkType );
1952 MP4_READBOX_EXIT( 1 );
1955 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
1957 MP4_Box_t *p_drms_box = p_box;
1959 MP4_READBOX_ENTER( uint8_t );
1963 p_drms_box = p_drms_box->p_father;
1964 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
1966 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
1968 if( drms_init( p_drms_box->data.p_sample_soun->p_drms,
1969 p_box->i_type, p_peek, i_read ) )
1971 msg_Err( p_stream, "drms_init( %4.4s ) failed",
1972 (char *)&p_box->i_type );
1974 drms_free( p_drms_box->data.p_sample_soun->p_drms );
1975 p_drms_box->data.p_sample_soun->p_drms = NULL;
1979 MP4_READBOX_EXIT( 1 );
1982 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
1984 int16_t i_length, i_dummy;
1986 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
1988 p_box->data.p_0xa9xxx->psz_text = NULL;
1990 MP4_GET2BYTES( i_length );
1991 MP4_GET2BYTES( i_dummy );
1995 if( i_length > i_read ) i_length = i_read;
1997 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
1999 memcpy( p_box->data.p_0xa9xxx->psz_text,
2001 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2005 "read box: \"%4.4s\" text=`%s'",
2006 (char*)&p_box->i_type,
2007 p_box->data.p_0xa9xxx->psz_text );
2011 MP4_READBOX_EXIT( 1 );
2013 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2015 FREE( p_box->data.p_0xa9xxx->psz_text );
2019 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2021 if( !p_box->p_father )
2025 if( p_box->p_father->i_type == FOURCC_stsd )
2027 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2030 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2031 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2035 switch( p_hdlr->data.p_hdlr->i_handler_type )
2038 return MP4_ReadBox_sample_soun( p_stream, p_box );
2040 return MP4_ReadBox_sample_vide( p_stream, p_box );
2042 return MP4_ReadBox_sample_text( p_stream, p_box );
2045 "unknown handler type in stsd (uncompletetly loaded)" );
2052 "unknown box type %4.4s (uncompletetly loaded)",
2053 (char*)&p_box->i_type );
2058 /**** ------------------------------------------------------------------- ****/
2059 /**** "Higher level" Functions ****/
2060 /**** ------------------------------------------------------------------- ****/
2065 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2066 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2067 } MP4_Box_Function [] =
2070 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2071 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2072 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2073 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2074 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2075 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2076 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2077 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2078 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2079 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2080 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2081 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2082 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2083 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2084 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2085 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2088 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2089 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2090 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2091 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2092 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2093 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2094 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2095 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2096 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2097 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2098 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2099 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2100 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2101 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2102 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2103 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2104 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2105 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2106 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2107 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2108 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2109 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2110 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2111 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2112 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2113 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2114 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2115 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2116 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2118 /* Nothing to do with this box */
2119 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2120 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2121 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2122 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2125 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2126 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2127 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2128 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2129 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2130 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2131 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2132 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2133 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2134 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2135 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2136 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2137 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2138 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2139 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2140 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2141 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2142 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2143 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2144 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2145 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2146 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2148 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2149 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2150 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2151 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2152 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2153 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2154 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2155 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2156 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2157 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2158 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2159 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2160 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2161 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2162 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2163 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2164 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2165 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2166 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2167 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2169 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2170 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2172 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2173 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2174 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2175 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2176 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2178 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2179 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2181 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2183 /* XXX there is 2 box where we could find this entry stbl and tref*/
2184 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2186 /* found in tref box */
2187 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2188 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2189 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2192 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2195 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2196 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2197 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2198 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2200 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2201 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2202 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2203 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2204 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2205 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2206 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2207 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2210 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2211 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2212 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2213 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2214 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2215 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2216 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2217 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2218 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2219 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2220 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2221 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2222 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2223 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2224 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2225 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2226 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2227 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2228 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2229 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2230 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2231 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2232 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2233 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2234 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2237 { 0, MP4_ReadBox_default, NULL }
2242 /*****************************************************************************
2243 * MP4_ReadBox : parse the actual box and the children
2244 * XXX : Do not go to the next box
2245 *****************************************************************************/
2246 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2248 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2249 unsigned int i_index;
2251 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2253 msg_Warn( p_stream, "cannot read one box" );
2257 if( !p_box->i_size )
2259 msg_Dbg( p_stream, "found an empty box (null size)" );
2263 p_box->p_father = p_father;
2265 /* Now search function to call */
2266 for( i_index = 0; ; i_index++ )
2268 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2269 ( MP4_Box_Function[i_index].i_type == 0 ) )
2275 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2284 /*****************************************************************************
2285 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2287 *****************************************************************************/
2288 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2290 unsigned int i_index;
2298 for( p_child = p_box->p_first; p_child != NULL; )
2302 p_next = p_child->p_next;
2303 MP4_BoxFree( s, p_child );
2307 /* Now search function to call */
2308 if( p_box->data.p_data )
2310 for( i_index = 0; ; i_index++ )
2312 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2313 ( MP4_Box_Function[i_index].i_type == 0 ) )
2318 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2320 /* Should not happen */
2322 "cannot free box %4.4s, type unknown",
2323 (char*)&p_box->i_type );
2327 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2330 free( p_box->data.p_data );
2336 /*****************************************************************************
2337 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2338 *****************************************************************************
2339 * The first box is a virtual box "root" and is the father for all first
2340 * level boxes for the file, a sort of virtual contener
2341 *****************************************************************************/
2342 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2348 p_root = malloc( sizeof( MP4_Box_t ) );
2350 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2351 p_root->i_shortsize = 1;
2352 p_root->i_size = stream_Size( s );
2353 CreateUUID( &p_root->i_uuid, p_root->i_type );
2355 p_root->data.p_data = NULL;
2356 p_root->p_father = NULL;
2357 p_root->p_first = NULL;
2358 p_root->p_last = NULL;
2359 p_root->p_next = NULL;
2363 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2371 /* check if there is a cmov, if so replace
2372 compressed moov by uncompressed one */
2373 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2374 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2375 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2376 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2378 /* rename the compressed moov as a box to skip */
2379 p_moov->i_type = FOURCC_skip;
2381 /* get uncompressed p_moov */
2382 p_moov = p_cmov->data.p_cmov->p_moov;
2383 p_cmov->data.p_cmov->p_moov = NULL;
2385 /* make p_root father of this new moov */
2386 p_moov->p_father = p_root;
2388 /* insert this new moov box as first child of p_root */
2389 p_moov->p_next = p_child = p_root->p_first;
2390 p_root->p_first = p_moov;
2398 static void __MP4_BoxDumpStructure( stream_t *s,
2399 MP4_Box_t *p_box, unsigned int i_level )
2405 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2406 (char*)&p_box->i_type );
2412 memset( str, (uint8_t)' ', 512 );
2413 for( i = 0; i < i_level; i++ )
2417 sprintf( str + i_level * 5, "+ %4.4s size %d",
2418 (char*)&p_box->i_type,
2419 (uint32_t)p_box->i_size );
2421 msg_Dbg( s, "%s", str );
2423 p_child = p_box->p_first;
2426 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2427 p_child = p_child->p_next;
2431 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2433 __MP4_BoxDumpStructure( s, p_box, 0 );
2438 /*****************************************************************************
2439 *****************************************************************************
2441 ** High level methods to acces an MP4 file
2443 *****************************************************************************
2444 *****************************************************************************/
2445 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2448 if( !*ppsz_path[0] )
2455 while( (*ppsz_path)[i_len] &&
2456 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2460 if( !i_len && **ppsz_path == '/' )
2464 *ppsz_token = malloc( i_len + 1 );
2466 memcpy( *ppsz_token, *ppsz_path, i_len );
2468 (*ppsz_token)[i_len] = '\0';
2470 *ppsz_path += i_len;
2472 if( **ppsz_path == '[' )
2475 *pi_number = strtol( *ppsz_path, NULL, 10 );
2476 while( **ppsz_path && **ppsz_path != ']' )
2480 if( **ppsz_path == ']' )
2489 while( **ppsz_path == '/' )
2495 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2496 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2506 vasprintf( &psz_path, psz_fmt, args );
2508 if( !psz_path || !psz_path[0] )
2515 // fprintf( stderr, "path:'%s'\n", psz_path );
2516 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2522 __get_token( &psz_path, &psz_token, &i_number );
2523 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2524 // psz_path,psz_token,i_number );
2533 if( !strcmp( psz_token, "/" ) )
2536 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2538 p_box = p_box->p_father;
2549 if( !strcmp( psz_token, "." ) )
2554 if( !strcmp( psz_token, ".." ) )
2556 p_box = p_box->p_father;
2566 if( strlen( psz_token ) == 4 )
2569 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2570 psz_token[2], psz_token[3] );
2571 p_box = p_box->p_first;
2581 if( p_box->i_type == i_fourcc )
2589 p_box = p_box->p_next;
2593 if( strlen( psz_token ) == 0 )
2595 p_box = p_box->p_first;
2610 p_box = p_box->p_next;
2615 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2626 /*****************************************************************************
2627 * MP4_BoxGet: find a box given a path relative to p_box
2628 *****************************************************************************
2629 * Path Format: . .. / as usual
2630 * [number] to specifie box number ex: trak[12]
2632 * ex: /moov/trak[12]
2634 *****************************************************************************/
2635 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2638 MP4_Box_t *p_result;
2640 va_start( args, psz_fmt );
2641 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2647 /*****************************************************************************
2648 * MP4_BoxCount: count box given a path relative to p_box
2649 *****************************************************************************
2650 * Path Format: . .. / as usual
2651 * [number] to specifie box number ex: trak[12]
2653 * ex: /moov/trak[12]
2655 *****************************************************************************/
2656 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2660 MP4_Box_t *p_result, *p_next;
2662 va_start( args, psz_fmt );
2663 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2671 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2673 if( p_next->i_type == p_result->i_type)