1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
26 #include <stdlib.h> /* malloc(), free() */
28 #include <vlc_demux.h>
31 # include <zlib.h> /* for compressed moov */
37 /*****************************************************************************
38 * Here are defined some macro to make life simpler but before using it
41 *****************************************************************************/
42 #define MP4_BOX_HEADERSIZE( p_box ) \
43 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
44 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
46 #define MP4_GETX_PRIVATE(dst, code, size) do { \
47 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
52 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
53 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
54 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
55 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
56 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
57 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
58 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
60 #define MP4_GETVERSIONFLAGS( p_void ) \
61 MP4_GET1BYTE( p_void->i_version ); \
62 MP4_GET3BYTES( p_void->i_flags )
64 #define MP4_GETSTRINGZ( p_str ) \
65 if( (i_read > 0) && (p_peek[0]) ) \
67 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
68 p_str = calloc( sizeof(char), __i_copy__+1 ); \
69 if( __i_copy__ > 0 ) memcpy( p_str, p_peek, __i_copy__ ); \
70 p_str[__i_copy__] = 0; \
71 p_peek += __i_copy__ + 1; \
72 i_read -= __i_copy__ + 1; \
80 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
81 int64_t i_read = p_box->i_size; \
82 uint8_t *p_peek, *p_buff; \
83 int i_actually_read; \
84 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
88 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
89 if( i_actually_read < 0 || (int64_t)i_actually_read < 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, "Not enough data" ); \
112 * The input method HAVE to be seekable
116 static uint32_t Get24bBE( uint8_t *p )
118 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
121 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
123 memcpy( p_uuid, p_buff, 16 );
126 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
128 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
129 where XXXXXXXX is the fourcc */
130 /* FIXME implement this */
133 /* some functions for mp4 encoding of variables */
135 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
142 /* date begin at 1 jan 1904 */
143 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
145 i_day = i_date / ( 60*60*24);
146 i_hour = ( i_date /( 60*60 ) ) % 60;
147 i_min = ( i_date / 60 ) % 60;
149 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
152 /*****************************************************************************
154 *****************************************************************************/
155 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
158 /*****************************************************************************
159 * MP4_ReadBoxCommon : Load only common parameters for all boxes
160 *****************************************************************************
161 * p_box need to be an already allocated MP4_Box_t, and all data
162 * will only be peek not read
164 * RETURN : 0 if it fail, 1 otherwise
165 *****************************************************************************/
166 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
171 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
175 p_box->i_pos = stream_Tell( p_stream );
177 p_box->data.p_data = NULL;
178 p_box->p_father = NULL;
179 p_box->p_first = NULL;
180 p_box->p_last = NULL;
181 p_box->p_next = NULL;
183 MP4_GET4BYTES( p_box->i_shortsize );
184 MP4_GETFOURCC( p_box->i_type );
186 /* Now special case */
188 if( p_box->i_shortsize == 1 )
190 /* get the true size on 64 bits */
191 MP4_GET8BYTES( p_box->i_size );
195 p_box->i_size = p_box->i_shortsize;
196 /* XXX size of 0 means that the box extends to end of file */
199 if( p_box->i_type == FOURCC_uuid )
201 /* get extented type on 16 bytes */
202 GetUUID( &p_box->i_uuid, p_peek );
203 p_peek += 16; i_read -= 16;
207 CreateUUID( &p_box->i_uuid, p_box->i_type );
212 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
213 (char*)&p_box->i_type, p_box->i_size );
220 /*****************************************************************************
221 * MP4_NextBox : Go to the next box
222 *****************************************************************************
223 * if p_box == NULL, go to the next box in which we are( at the begining ).
224 *****************************************************************************/
225 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
231 MP4_ReadBoxCommon( p_stream, &box );
237 return 2; /* Box with infinite size */
240 if( p_box->p_father )
242 /* check if it's within p-father */
243 if( p_box->i_size + p_box->i_pos >=
244 p_box->p_father->i_size + p_box->p_father->i_pos )
246 msg_Dbg( p_stream, "out of bound child" );
247 return 0; /* out of bound */
250 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
258 /*****************************************************************************
259 * For all known box a loader is given,
260 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
261 * after called one of theses functions, file position is unknown
262 * you need to call MP4_GotoBox to go where you want
263 *****************************************************************************/
264 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
268 if( stream_Tell( p_stream ) + 8 >
269 (off_t)(p_container->i_pos + p_container->i_size) )
271 /* there is no box to load */
277 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
279 /* chain this box with the father and the other at same level */
280 if( !p_container->p_first ) p_container->p_first = p_box;
281 else p_container->p_last->p_next = p_box;
282 p_container->p_last = p_box;
284 } while( MP4_NextBox( p_stream, p_box ) == 1 );
289 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
291 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
293 /* container is empty, 8 stand for the first header in this box */
298 stream_Seek( p_stream, p_container->i_pos +
299 MP4_BOX_HEADERSIZE( p_container ) );
301 return MP4_ReadBoxContainerRaw( p_stream, p_container );
304 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
306 /* Up to now do nothing */
309 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
311 /* XXX sometime moov is hiden in a free box */
312 if( p_box->p_father &&
313 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
314 p_box->i_type == FOURCC_free )
320 i_read = stream_Peek( p_stream, &p_peek, 44 );
322 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
323 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
327 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
329 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
331 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
333 p_box->i_type = FOURCC_foov;
334 return MP4_ReadBoxContainer( p_stream, p_box );
341 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
346 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
348 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
350 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
351 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
353 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
356 p_box->data.p_ftyp->i_compatible_brands =
357 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
359 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
361 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
366 p_box->data.p_ftyp->i_compatible_brands = NULL;
369 MP4_READBOX_EXIT( 1 );
372 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
374 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
378 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
382 char s_creation_time[128];
383 char s_modification_time[128];
384 char s_duration[128];
386 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
388 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
390 if( p_box->data.p_mvhd->i_version )
392 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
393 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
394 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
395 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
399 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
400 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
401 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
402 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
404 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
405 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
406 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
409 for( i = 0; i < 2; i++ )
411 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
413 for( i = 0; i < 9; i++ )
415 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
417 for( i = 0; i < 6; i++ )
419 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
422 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
426 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
427 MP4_ConvertDate2Str( s_modification_time,
428 p_box->data.p_mvhd->i_modification_time );
429 if( p_box->data.p_mvhd->i_rate )
431 MP4_ConvertDate2Str( s_duration,
432 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
438 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
441 (uint32_t)p_box->data.p_mvhd->i_timescale,
443 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
444 (float)p_box->data.p_mvhd->i_volume / 256 ,
445 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
447 MP4_READBOX_EXIT( 1 );
450 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
454 char s_creation_time[128];
455 char s_modification_time[128];
456 char s_duration[128];
458 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
460 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
462 if( p_box->data.p_tkhd->i_version )
464 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
465 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
466 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
467 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
468 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
472 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
473 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
474 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
475 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
479 for( i = 0; i < 2; i++ )
481 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
483 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
484 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
485 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
486 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
488 for( i = 0; i < 9; i++ )
490 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
492 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
493 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
496 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
497 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
498 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
500 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
504 p_box->data.p_tkhd->i_track_ID,
505 p_box->data.p_tkhd->i_layer,
506 (float)p_box->data.p_tkhd->i_volume / 256 ,
507 (float)p_box->data.p_tkhd->i_width / 65536,
508 (float)p_box->data.p_tkhd->i_height / 65536 );
510 MP4_READBOX_EXIT( 1 );
514 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
519 char s_creation_time[128];
520 char s_modification_time[128];
521 char s_duration[128];
523 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
525 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
527 if( p_box->data.p_mdhd->i_version )
529 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
530 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
531 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
532 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
536 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
537 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
538 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
539 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
541 i_language = GetWBE( p_peek );
542 for( i = 0; i < 3; i++ )
544 p_box->data.p_mdhd->i_language[i] =
545 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
548 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
551 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
552 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
553 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
554 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
557 (uint32_t)p_box->data.p_mdhd->i_timescale,
559 p_box->data.p_mdhd->i_language[0],
560 p_box->data.p_mdhd->i_language[1],
561 p_box->data.p_mdhd->i_language[2] );
563 MP4_READBOX_EXIT( 1 );
567 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
571 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
573 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
575 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
576 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
578 MP4_GET4BYTES( i_reserved );
579 MP4_GET4BYTES( i_reserved );
580 MP4_GET4BYTES( i_reserved );
581 p_box->data.p_hdlr->psz_name = NULL;
585 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
587 /* Yes, I love .mp4 :( */
588 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
593 MP4_GET1BYTE( i_len );
594 i_copy = __MIN( i_read, i_len );
596 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
597 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
601 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
602 p_box->data.p_hdlr->psz_name[i_read] = '\0';
607 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
608 (char*)&p_box->data.p_hdlr->i_handler_type,
609 p_box->data.p_hdlr->psz_name );
612 MP4_READBOX_EXIT( 1 );
615 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
617 FREENULL( p_box->data.p_hdlr->psz_name );
620 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
624 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
626 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
628 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
629 for( i = 0; i < 3; i++ )
631 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
635 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
636 p_box->data.p_vmhd->i_graphics_mode,
637 p_box->data.p_vmhd->i_opcolor[0],
638 p_box->data.p_vmhd->i_opcolor[1],
639 p_box->data.p_vmhd->i_opcolor[2] );
641 MP4_READBOX_EXIT( 1 );
644 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
646 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
648 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
652 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
654 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
657 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
658 (float)p_box->data.p_smhd->i_balance / 256 );
660 MP4_READBOX_EXIT( 1 );
664 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
666 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
668 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
670 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
671 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
673 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
674 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
676 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
679 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
680 p_box->data.p_hmhd->i_max_PDU_size,
681 p_box->data.p_hmhd->i_avg_PDU_size,
682 p_box->data.p_hmhd->i_max_bitrate,
683 p_box->data.p_hmhd->i_avg_bitrate );
685 MP4_READBOX_EXIT( 1 );
688 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
690 MP4_READBOX_ENTER( MP4_Box_data_url_t );
692 MP4_GETVERSIONFLAGS( p_box->data.p_url );
693 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
696 msg_Dbg( p_stream, "read box: \"url\" url: %s",
697 p_box->data.p_url->psz_location );
700 MP4_READBOX_EXIT( 1 );
704 static void MP4_FreeBox_url( MP4_Box_t *p_box )
706 FREENULL( p_box->data.p_url->psz_location )
709 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
711 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
713 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
715 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
716 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
719 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
720 p_box->data.p_urn->psz_name,
721 p_box->data.p_urn->psz_location );
723 MP4_READBOX_EXIT( 1 );
725 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
727 FREENULL( p_box->data.p_urn->psz_name );
728 FREENULL( p_box->data.p_urn->psz_location );
732 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
734 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
736 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
738 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
740 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
741 MP4_ReadBoxContainerRaw( p_stream, p_box );
744 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
745 p_box->data.p_dref->i_entry_count );
748 MP4_READBOX_EXIT( 1 );
752 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
755 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
757 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
758 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
760 p_box->data.p_stts->i_sample_count =
761 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
762 p_box->data.p_stts->i_sample_delta =
763 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
765 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
767 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
768 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
772 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
773 p_box->data.p_stts->i_entry_count );
776 MP4_READBOX_EXIT( 1 );
779 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
781 FREENULL( p_box->data.p_stts->i_sample_count );
782 FREENULL( p_box->data.p_stts->i_sample_delta );
785 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
788 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
790 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
792 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
794 p_box->data.p_ctts->i_sample_count =
795 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
796 p_box->data.p_ctts->i_sample_offset =
797 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
799 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
801 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
802 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
806 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
807 p_box->data.p_ctts->i_entry_count );
810 MP4_READBOX_EXIT( 1 );
813 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
815 FREENULL( p_box->data.p_ctts->i_sample_count );
816 FREENULL( p_box->data.p_ctts->i_sample_offset );
819 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
822 unsigned int i_len = 0;
829 i_len = ( i_len << 7 ) + ( i_b&0x7f );
834 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
836 #define es_descriptor p_box->data.p_esds->es_descriptor
838 unsigned int i_flags;
841 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
843 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
846 MP4_GET1BYTE( i_type );
847 if( i_type == 0x03 ) /* MP4ESDescrTag */
849 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
852 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
856 MP4_GET2BYTES( es_descriptor.i_ES_ID );
857 MP4_GET1BYTE( i_flags );
858 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
859 es_descriptor.b_url = ( (i_flags&0x40) != 0);
860 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
862 es_descriptor.i_stream_priority = i_flags&0x1f;
863 if( es_descriptor.b_stream_dependence )
865 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
867 if( es_descriptor.b_url )
871 MP4_GET1BYTE( i_len );
872 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
873 memcpy( es_descriptor.psz_URL, p_peek, i_len );
874 es_descriptor.psz_URL[i_len] = 0;
880 es_descriptor.psz_URL = NULL;
882 if( es_descriptor.b_OCRstream )
884 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
886 MP4_GET1BYTE( i_type ); /* get next type */
889 if( i_type != 0x04)/* MP4DecConfigDescrTag */
891 es_descriptor.p_decConfigDescr = NULL;
892 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
895 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
898 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
902 es_descriptor.p_decConfigDescr =
903 malloc( sizeof( MP4_descriptor_decoder_config_t ));
905 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
906 MP4_GET1BYTE( i_flags );
907 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
908 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
909 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
910 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
911 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
912 MP4_GET1BYTE( i_type );
913 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
915 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
916 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
917 MP4_READBOX_EXIT( 1 );
920 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
923 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
927 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
928 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
929 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
932 MP4_READBOX_EXIT( 1 );
937 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
939 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
940 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
942 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
944 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
947 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
949 MP4_Box_data_avcC_t *p_avcC;
952 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
953 p_avcC = p_box->data.p_avcC;
955 p_avcC->i_avcC = i_read;
956 if( p_avcC->i_avcC > 0 )
958 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
959 memcpy( p_avcC->p_avcC, p_peek, i_read );
962 MP4_GET1BYTE( p_avcC->i_version );
963 MP4_GET1BYTE( p_avcC->i_profile );
964 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
965 MP4_GET1BYTE( p_avcC->i_level );
966 MP4_GET1BYTE( p_avcC->i_reserved1 );
967 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
968 p_avcC->i_reserved1 >>= 2;
970 MP4_GET1BYTE( p_avcC->i_reserved2 );
971 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
972 p_avcC->i_reserved2 >>= 5;
974 if( p_avcC->i_sps > 0 )
976 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
977 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
979 for( i = 0; i < p_avcC->i_sps; i++ )
981 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
982 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
983 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
985 p_peek += p_avcC->i_sps_length[i];
986 i_read -= p_avcC->i_sps_length[i];
990 MP4_GET1BYTE( p_avcC->i_pps );
991 if( p_avcC->i_pps > 0 )
993 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
994 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
996 for( i = 0; i < p_avcC->i_pps; i++ )
998 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
999 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1000 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1002 p_peek += p_avcC->i_pps_length[i];
1003 i_read -= p_avcC->i_pps_length[i];
1008 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1009 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1010 p_avcC->i_length_size,
1011 p_avcC->i_sps, p_avcC->i_pps );
1012 for( i = 0; i < p_avcC->i_sps; i++ )
1014 msg_Dbg( p_stream, " - sps[%d] length=%d",
1015 i, p_avcC->i_sps_length[i] );
1017 for( i = 0; i < p_avcC->i_pps; i++ )
1019 msg_Dbg( p_stream, " - pps[%d] length=%d",
1020 i, p_avcC->i_pps_length[i] );
1024 MP4_READBOX_EXIT( 1 );
1027 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1029 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1032 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1034 for( i = 0; i < p_avcC->i_sps; i++ )
1036 FREENULL( p_avcC->sps[i] );
1038 for( i = 0; i < p_avcC->i_pps; i++ )
1040 FREENULL( p_avcC->pps[i] );
1042 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1043 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1044 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1045 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1048 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1052 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1053 p_box->data.p_sample_soun->p_qt_description = NULL;
1055 /* Sanity check needed because the "wave" box does also contain an
1056 * "mp4a" box that we don't understand. */
1060 MP4_READBOX_EXIT( 1 );
1063 for( i = 0; i < 6 ; i++ )
1065 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1068 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1071 * XXX hack -> produce a copy of the nearly complete chunk
1075 p_box->data.p_sample_soun->i_qt_description = i_read;
1076 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1077 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1081 p_box->data.p_sample_soun->i_qt_description = 0;
1082 p_box->data.p_sample_soun->p_qt_description = NULL;
1085 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1086 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1087 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1089 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1090 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1091 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1092 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1093 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1094 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1096 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1098 /* SoundDescriptionV1 */
1099 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1100 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1101 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1102 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1106 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1107 "bytes/frame=%d bytes/sample=%d",
1108 p_box->data.p_sample_soun->i_sample_per_packet,
1109 p_box->data.p_sample_soun->i_bytes_per_packet,
1110 p_box->data.p_sample_soun->i_bytes_per_frame,
1111 p_box->data.p_sample_soun->i_bytes_per_sample );
1113 stream_Seek( p_stream, p_box->i_pos +
1114 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1116 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1118 /* SoundDescriptionV2 */
1119 double f_sample_rate;
1123 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1124 MP4_GET8BYTES( dummy );
1125 memcpy( &f_sample_rate, &dummy, 8 );
1127 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1128 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1129 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1131 MP4_GET4BYTES( i_channel );
1132 p_box->data.p_sample_soun->i_channelcount = i_channel;
1135 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1137 stream_Seek( p_stream, p_box->i_pos +
1138 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1142 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1143 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1144 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1145 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1147 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1149 stream_Seek( p_stream, p_box->i_pos +
1150 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1153 if( p_box->i_type == FOURCC_drms )
1155 p_box->data.p_sample_soun->p_drms =
1156 drms_alloc( p_stream->p_libvlc->psz_homedir );
1158 if( p_box->data.p_sample_soun->p_drms == NULL )
1160 msg_Err( p_stream, "drms_alloc() failed" );
1164 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1166 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1167 p_box->data.p_sample_soun->i_channelcount = 1;
1170 if( p_box->i_type == FOURCC_alac )
1172 if( p_box->data.p_sample_soun->p_qt_description )
1173 free( p_box->data.p_sample_soun->p_qt_description );
1175 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1176 p_box->data.p_sample_soun->i_qt_description = i_read;
1177 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1181 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1185 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1186 "sample size %d sample rate %f",
1187 p_box->data.p_sample_soun->i_channelcount,
1188 p_box->data.p_sample_soun->i_samplesize,
1189 (float)p_box->data.p_sample_soun->i_sampleratehi +
1190 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1193 MP4_READBOX_EXIT( 1 );
1197 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1199 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1201 if( p_box->i_type == FOURCC_drms )
1203 if( p_box->data.p_sample_soun->p_drms )
1205 drms_free( p_box->data.p_sample_soun->p_drms );
1211 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1215 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1217 for( i = 0; i < 6 ; i++ )
1219 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1222 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1225 * XXX hack -> produce a copy of the nearly complete chunk
1229 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1230 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1231 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1236 p_box->data.p_sample_vide->i_qt_image_description = 0;
1237 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1241 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1242 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1244 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1245 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1247 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1248 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1250 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1251 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1253 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1254 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1256 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1257 p_peek += 32; i_read -= 32;
1259 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1260 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1262 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1263 MP4_ReadBoxContainerRaw( p_stream, p_box );
1266 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1267 p_box->data.p_sample_vide->i_width,
1268 p_box->data.p_sample_vide->i_height,
1269 p_box->data.p_sample_vide->i_depth );
1272 MP4_READBOX_EXIT( 1 );
1276 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1278 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1281 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1283 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1284 MP4_ReadBoxContainerRaw( p_stream, p_box );
1288 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1292 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1294 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1295 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1297 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1299 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1304 /* FIXME search right signification */
1306 p_box->data.p_sample_text->i_justification_horizontal = 1;
1307 p_box->data.p_sample_text->i_justification_vertical = 1;
1309 case -1: // Flush Right
1310 p_box->data.p_sample_text->i_justification_horizontal = -1;
1311 p_box->data.p_sample_text->i_justification_vertical = -1;
1313 case -2: // Flush Left
1314 p_box->data.p_sample_text->i_justification_horizontal = 0;
1315 p_box->data.p_sample_text->i_justification_vertical = 0;
1317 case 0: // Flush Default
1319 p_box->data.p_sample_text->i_justification_horizontal = 1;
1320 p_box->data.p_sample_text->i_justification_vertical = -1;
1324 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1325 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1326 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1327 p_box->data.p_sample_text->i_background_color[3] = 0;
1329 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1331 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1332 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1335 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1337 MP4_READBOX_EXIT( 1 );
1340 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1342 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1344 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1345 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1347 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1349 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1351 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1352 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1354 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1355 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1356 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1357 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1359 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1360 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1361 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1362 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1365 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1367 MP4_READBOX_EXIT( 1 );
1372 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1373 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1375 FREENULL( p_box->data.p_sample_text->psz_text_name );
1380 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1383 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1385 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1387 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1389 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1391 MP4_ReadBoxContainerRaw( p_stream, p_box );
1394 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1395 p_box->data.p_stsd->i_entry_count );
1398 MP4_READBOX_EXIT( 1 );
1402 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1406 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1408 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1410 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1412 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1414 p_box->data.p_stsz->i_entry_size =
1415 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1417 if( !p_box->data.p_stsz->i_sample_size )
1419 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1421 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1426 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1427 p_box->data.p_stsz->i_sample_size,
1428 p_box->data.p_stsz->i_sample_count );
1431 MP4_READBOX_EXIT( 1 );
1434 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1436 FREENULL( p_box->data.p_stsz->i_entry_size );
1439 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1443 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1445 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1447 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1449 p_box->data.p_stsc->i_first_chunk =
1450 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1451 p_box->data.p_stsc->i_samples_per_chunk =
1452 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1453 p_box->data.p_stsc->i_sample_description_index =
1454 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1456 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1458 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1459 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1460 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1464 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1465 p_box->data.p_stsc->i_entry_count );
1468 MP4_READBOX_EXIT( 1 );
1471 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1473 FREENULL( p_box->data.p_stsc->i_first_chunk );
1474 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1475 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1478 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1482 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1484 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1486 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1488 p_box->data.p_co64->i_chunk_offset =
1489 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1491 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1493 if( p_box->i_type == FOURCC_stco )
1499 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1507 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1512 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1513 p_box->data.p_co64->i_entry_count );
1516 MP4_READBOX_EXIT( 1 );
1519 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1521 FREENULL( p_box->data.p_co64->i_chunk_offset );
1524 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1528 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1530 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1532 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1534 p_box->data.p_stss->i_sample_number =
1535 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1537 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1540 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1541 /* XXX in libmp4 sample begin at 0 */
1542 p_box->data.p_stss->i_sample_number[i]--;
1546 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1547 p_box->data.p_stss->i_entry_count );
1550 MP4_READBOX_EXIT( 1 );
1553 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1555 FREENULL( p_box->data.p_stss->i_sample_number )
1558 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1562 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1564 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1567 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1569 p_box->data.p_stsh->i_shadowed_sample_number =
1570 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1572 p_box->data.p_stsh->i_sync_sample_number =
1573 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1576 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1579 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1580 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1584 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1585 p_box->data.p_stsh->i_entry_count );
1587 MP4_READBOX_EXIT( 1 );
1590 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1592 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number )
1593 FREENULL( p_box->data.p_stsh->i_sync_sample_number )
1597 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1601 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1603 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1605 p_box->data.p_stdp->i_priority =
1606 calloc( sizeof( uint16_t ), i_read / 2 );
1608 for( i = 0; i < i_read / 2 ; i++ )
1611 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1615 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1619 MP4_READBOX_EXIT( 1 );
1622 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1624 FREENULL( p_box->data.p_stdp->i_priority )
1627 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1631 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1633 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1636 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1638 p_box->data.p_padb->i_reserved1 =
1639 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1640 p_box->data.p_padb->i_pad2 =
1641 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1642 p_box->data.p_padb->i_reserved2 =
1643 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1644 p_box->data.p_padb->i_pad1 =
1645 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1648 for( i = 0; i < i_read / 2 ; i++ )
1650 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1651 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1652 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1653 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1655 p_peek += 1; i_read -= 1;
1659 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1663 MP4_READBOX_EXIT( 1 );
1666 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1668 FREENULL( p_box->data.p_padb->i_reserved1 );
1669 FREENULL( p_box->data.p_padb->i_pad2 );
1670 FREENULL( p_box->data.p_padb->i_reserved2 );
1671 FREENULL( p_box->data.p_padb->i_pad1 );
1674 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1678 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1680 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1683 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1685 p_box->data.p_elst->i_segment_duration =
1686 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1687 p_box->data.p_elst->i_media_time =
1688 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1689 p_box->data.p_elst->i_media_rate_integer =
1690 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1691 p_box->data.p_elst->i_media_rate_fraction=
1692 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1695 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1697 if( p_box->data.p_elst->i_version == 1 )
1700 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1702 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1707 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1709 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1710 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1713 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1714 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1718 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd, p_box->data.p_elst->i_entry_count );
1720 MP4_READBOX_EXIT( 1 );
1723 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1725 FREENULL( p_box->data.p_elst->i_segment_duration );
1726 FREENULL( p_box->data.p_elst->i_media_time );
1727 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1728 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1731 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1733 unsigned int i_language;
1736 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1738 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1740 i_language = GetWBE( p_peek );
1741 for( i = 0; i < 3; i++ )
1743 p_box->data.p_cprt->i_language[i] =
1744 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1746 p_peek += 2; i_read -= 2;
1747 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1750 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1751 p_box->data.p_cprt->i_language[0],
1752 p_box->data.p_cprt->i_language[1],
1753 p_box->data.p_cprt->i_language[2],
1754 p_box->data.p_cprt->psz_notice );
1757 MP4_READBOX_EXIT( 1 );
1760 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1762 FREENULL( p_box->data.p_cprt->psz_notice );
1766 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1768 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1770 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1773 "read box: \"dcom\" compression algorithm : %4.4s",
1774 (char*)&p_box->data.p_dcom->i_algorithm );
1776 MP4_READBOX_EXIT( 1 );
1779 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1781 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1783 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1785 p_box->data.p_cmvd->i_compressed_size = i_read;
1787 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1789 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1793 /* now copy compressed data */
1794 memcpy( p_box->data.p_cmvd->p_data,
1798 p_box->data.p_cmvd->b_compressed = 1;
1801 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1802 p_box->data.p_cmvd->i_compressed_size );
1805 MP4_READBOX_EXIT( 1 );
1807 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1809 FREENULL( p_box->data.p_cmvd->p_data );
1813 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1819 stream_t *p_stream_memory;
1825 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1827 msg_Err( p_stream, "out of memory" );
1830 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1832 if( !p_box->p_father ||
1833 ( p_box->p_father->i_type != FOURCC_moov &&
1834 p_box->p_father->i_type != FOURCC_foov ) )
1836 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1840 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1845 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1846 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1847 p_cmvd->data.p_cmvd->p_data == NULL )
1849 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1853 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1855 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1856 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1861 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1865 /* decompress data */
1866 /* allocate a new buffer */
1867 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1869 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1870 "uncompress data" );
1873 /* init default structures */
1874 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1875 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1876 z_data.next_out = p_data;
1877 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1878 z_data.zalloc = (alloc_func)Z_NULL;
1879 z_data.zfree = (free_func)Z_NULL;
1880 z_data.opaque = (voidpf)Z_NULL;
1883 if( inflateInit( &z_data ) != Z_OK )
1885 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1891 i_result = inflate( &z_data, Z_NO_FLUSH );
1892 if( i_result != Z_OK && i_result != Z_STREAM_END )
1894 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1899 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1901 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1904 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1907 if( inflateEnd( &z_data ) != Z_OK )
1909 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1913 free( p_cmvd->data.p_cmvd->p_data );
1914 p_cmvd->data.p_cmvd->p_data = p_data;
1915 p_cmvd->data.p_cmvd->b_compressed = 0;
1917 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1919 /* now create a memory stream */
1921 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1922 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1924 /* and read uncompressd moov */
1925 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1927 stream_Delete( p_stream_memory );
1930 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1933 return p_box->data.p_cmov->p_moov ? 1 : 0;
1934 #endif /* HAVE_ZLIB_H */
1937 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1940 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1942 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1943 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1944 MP4_GET4BYTES( i_len );
1948 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1949 for( i = 0; i < i_len; i++ )
1951 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1953 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1957 p_box->data.p_rdrf->psz_ref = NULL;
1962 "read box: \"rdrf\" type:%4.4s ref %s",
1963 (char*)&p_box->data.p_rdrf->i_ref_type,
1964 p_box->data.p_rdrf->psz_ref );
1967 MP4_READBOX_EXIT( 1 );
1970 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1972 FREENULL( p_box->data.p_rdrf->psz_ref )
1976 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1978 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1980 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1982 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1986 "read box: \"rmdr\" rate:%d",
1987 p_box->data.p_rmdr->i_rate );
1989 MP4_READBOX_EXIT( 1 );
1992 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1994 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1996 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2000 "read box: \"rmqu\" quality:%d",
2001 p_box->data.p_rmqu->i_quality );
2003 MP4_READBOX_EXIT( 1 );
2006 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2008 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2009 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2011 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2012 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2013 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2014 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2018 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2019 (char*)&p_box->data.p_rmvc->i_gestaltType,
2020 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2021 p_box->data.p_rmvc->i_checkType );
2024 MP4_READBOX_EXIT( 1 );
2027 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2029 MP4_Box_t *p_drms_box = p_box;
2031 MP4_READBOX_ENTER( uint8_t );
2035 p_drms_box = p_drms_box->p_father;
2036 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2038 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2041 if( config_GetInt( p_stream, "france" ) )
2047 i_ret= drms_init( p_drms_box->data.p_sample_soun->p_drms,
2048 p_box->i_type, p_peek, i_read );
2052 const char *psz_error;
2056 case -1: psz_error = "unimplemented"; break;
2057 case -2: psz_error = "invalid argument"; break;
2058 case -3: psz_error = "could not get system key"; break;
2059 case -4: psz_error = "could not get SCI data"; break;
2060 case -5: psz_error = "no user key found in SCI data"; break;
2061 case -6: psz_error = "invalid user key"; break;
2062 case -7: psz_error = "you live in France"; break;
2063 default: psz_error = "unknown error"; break;
2066 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2067 (char *)&p_box->i_type, psz_error );
2069 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2070 p_drms_box->data.p_sample_soun->p_drms = NULL;
2074 MP4_READBOX_EXIT( 1 );
2077 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2079 uint16_t i_length, i_dummy;
2081 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2083 p_box->data.p_0xa9xxx->psz_text = NULL;
2085 MP4_GET2BYTES( i_length );
2089 MP4_GET2BYTES( i_dummy );
2090 if( i_length > i_read ) i_length = i_read;
2092 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2094 memcpy( p_box->data.p_0xa9xxx->psz_text,
2096 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2100 "read box: \"%4.4s\" text=`%s'",
2101 (char*)&p_box->i_type,
2102 p_box->data.p_0xa9xxx->psz_text );
2107 /* try iTune/Quicktime format, rewind to start */
2108 p_peek -= 2; i_read += 2;
2109 // we are expecting a 'data' box
2110 uint32_t i_data_len;
2111 uint32_t i_data_tag;
2113 MP4_GET4BYTES( i_data_len );
2114 if( i_data_len > i_read ) i_data_len = i_read;
2115 MP4_GETFOURCC( i_data_tag );
2116 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2118 /* data box contains a version/flags field */
2120 uint32_t i_reserved;
2121 MP4_GET4BYTES( i_version );
2122 MP4_GET4BYTES( i_reserved );
2123 // version should be 0, flags should be 1 for text, 0 for data
2124 if( i_version == 0x00000001 )
2126 // the rest is the text
2128 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2130 memcpy( p_box->data.p_0xa9xxx->psz_text,
2131 p_peek, i_data_len );
2132 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2135 "read box: \"%4.4s\" text=`%s'",
2136 (char*)&p_box->i_type,
2137 p_box->data.p_0xa9xxx->psz_text );
2142 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2147 MP4_READBOX_EXIT( 1 );
2149 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2151 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2154 /* Chapter support */
2155 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2157 MP4_Box_data_chpl_t *p_chpl;
2160 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2162 p_chpl = p_box->data.p_chpl;
2164 MP4_GETVERSIONFLAGS( p_chpl );
2166 MP4_GET4BYTES( i_dummy );
2168 MP4_GET1BYTE( p_chpl->i_chapter );
2170 for( i = 0; i < p_chpl->i_chapter; i++ )
2175 MP4_GET8BYTES( i_start );
2176 MP4_GET1BYTE( i_len );
2178 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2179 i_copy = __MIN( i_len, i_read );
2181 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2182 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2183 p_chpl->chapter[i].i_start = i_start;
2188 /* Bubble sort by increasing start date */
2191 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2193 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2195 char *psz = p_chpl->chapter[i+1].psz_name;
2196 int64_t i64 = p_chpl->chapter[i+1].i_start;
2198 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2199 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2201 p_chpl->chapter[i].psz_name = psz;
2202 p_chpl->chapter[i].i_start = i64;
2211 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2212 p_chpl->i_chapter );
2214 MP4_READBOX_EXIT( 1 );
2216 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2218 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2220 for( i = 0; i < p_chpl->i_chapter; i++ )
2221 free( p_chpl->chapter[i].psz_name );
2224 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2226 uint8_t meta_data[8];
2227 int i_actually_read;
2229 // skip over box header
2230 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2231 if( i_actually_read < 8 )
2234 /* meta content starts with a 4 byte version/flags value (should be 0) */
2235 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2236 if( i_actually_read < 4 )
2239 /* then it behaves like a container */
2240 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2244 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2246 if( !p_box->p_father )
2250 if( p_box->p_father->i_type == FOURCC_stsd )
2252 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2255 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2256 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2260 switch( p_hdlr->data.p_hdlr->i_handler_type )
2263 return MP4_ReadBox_sample_soun( p_stream, p_box );
2265 return MP4_ReadBox_sample_vide( p_stream, p_box );
2267 return MP4_ReadBox_sample_text( p_stream, p_box );
2269 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2272 "unknown handler type in stsd (uncompletetly loaded)" );
2279 "unknown box type %4.4s (uncompletetly loaded)",
2280 (char*)&p_box->i_type );
2285 /**** ------------------------------------------------------------------- ****/
2286 /**** "Higher level" Functions ****/
2287 /**** ------------------------------------------------------------------- ****/
2292 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2293 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2294 } MP4_Box_Function [] =
2297 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2298 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2299 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2300 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2301 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2302 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2303 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2304 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2305 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2306 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2307 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2308 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2309 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2310 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2311 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2312 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2313 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2316 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2317 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2318 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2319 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2320 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2321 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2322 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2323 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2324 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2325 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2326 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2327 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2328 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2329 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2330 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2331 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2332 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2333 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2334 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2335 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2336 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2337 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2338 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2339 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2340 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2341 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2342 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2343 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2344 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2346 /* Nothing to do with this box */
2347 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2348 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2349 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2350 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2353 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2354 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2355 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2356 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2357 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2358 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2359 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2360 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2361 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2362 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2363 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2364 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2365 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2366 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2367 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2368 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2369 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2370 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2371 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2372 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2373 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2374 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2375 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2377 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2378 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2379 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2380 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2381 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2382 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2383 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2384 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2385 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2386 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2387 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2388 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2389 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2390 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2391 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2392 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2393 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2394 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2395 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2396 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2397 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2398 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2399 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2401 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2402 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2404 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2405 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2406 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2407 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2408 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2410 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2411 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2413 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2414 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2416 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2418 /* XXX there is 2 box where we could find this entry stbl and tref*/
2419 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2421 /* found in tref box */
2422 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2423 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2424 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2427 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2430 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2431 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2432 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2433 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2435 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2436 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2437 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2438 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2439 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2440 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2441 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2442 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2445 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2446 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2447 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2448 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2449 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2450 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2451 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2452 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2453 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2454 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2455 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2456 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2457 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2458 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2459 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2460 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2461 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2462 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2463 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2464 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2465 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2466 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2467 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2468 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2469 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2471 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2473 /* iTunes/Quicktime meta info */
2474 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2477 { 0, MP4_ReadBox_default, NULL }
2482 /*****************************************************************************
2483 * MP4_ReadBox : parse the actual box and the children
2484 * XXX : Do not go to the next box
2485 *****************************************************************************/
2486 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2488 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2489 unsigned int i_index;
2491 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2493 msg_Warn( p_stream, "cannot read one box" );
2497 if( !p_box->i_size )
2499 msg_Dbg( p_stream, "found an empty box (null size)" );
2503 p_box->p_father = p_father;
2505 /* Now search function to call */
2506 for( i_index = 0; ; i_index++ )
2508 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2509 ( MP4_Box_Function[i_index].i_type == 0 ) )
2515 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2524 /*****************************************************************************
2525 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2527 *****************************************************************************/
2528 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2530 unsigned int i_index;
2538 for( p_child = p_box->p_first; p_child != NULL; )
2542 p_next = p_child->p_next;
2543 MP4_BoxFree( s, p_child );
2547 /* Now search function to call */
2548 if( p_box->data.p_data )
2550 for( i_index = 0; ; i_index++ )
2552 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2553 ( MP4_Box_Function[i_index].i_type == 0 ) )
2558 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2560 /* Should not happen */
2562 "cannot free box %4.4s, type unknown",
2563 (char*)&p_box->i_type );
2567 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2570 free( p_box->data.p_data );
2576 /*****************************************************************************
2577 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2578 *****************************************************************************
2579 * The first box is a virtual box "root" and is the father for all first
2580 * level boxes for the file, a sort of virtual contener
2581 *****************************************************************************/
2582 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2588 p_root = malloc( sizeof( MP4_Box_t ) );
2590 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2591 p_root->i_shortsize = 1;
2592 p_root->i_size = stream_Size( s );
2593 CreateUUID( &p_root->i_uuid, p_root->i_type );
2595 p_root->data.p_data = NULL;
2596 p_root->p_father = NULL;
2597 p_root->p_first = NULL;
2598 p_root->p_last = NULL;
2599 p_root->p_next = NULL;
2603 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2611 /* check if there is a cmov, if so replace
2612 compressed moov by uncompressed one */
2613 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2614 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2615 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2616 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2618 /* rename the compressed moov as a box to skip */
2619 p_moov->i_type = FOURCC_skip;
2621 /* get uncompressed p_moov */
2622 p_moov = p_cmov->data.p_cmov->p_moov;
2623 p_cmov->data.p_cmov->p_moov = NULL;
2625 /* make p_root father of this new moov */
2626 p_moov->p_father = p_root;
2628 /* insert this new moov box as first child of p_root */
2629 p_moov->p_next = p_child = p_root->p_first;
2630 p_root->p_first = p_moov;
2638 static void __MP4_BoxDumpStructure( stream_t *s,
2639 MP4_Box_t *p_box, unsigned int i_level )
2645 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2646 (char*)&p_box->i_type );
2652 memset( str, (uint8_t)' ', 512 );
2653 for( i = 0; i < i_level; i++ )
2657 sprintf( str + i_level * 5, "+ %4.4s size %d",
2658 (char*)&p_box->i_type,
2659 (uint32_t)p_box->i_size );
2661 msg_Dbg( s, "%s", str );
2663 p_child = p_box->p_first;
2666 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2667 p_child = p_child->p_next;
2671 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2673 __MP4_BoxDumpStructure( s, p_box, 0 );
2678 /*****************************************************************************
2679 *****************************************************************************
2681 ** High level methods to acces an MP4 file
2683 *****************************************************************************
2684 *****************************************************************************/
2685 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2688 if( !*ppsz_path[0] )
2695 while( (*ppsz_path)[i_len] &&
2696 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2700 if( !i_len && **ppsz_path == '/' )
2704 *ppsz_token = malloc( i_len + 1 );
2706 memcpy( *ppsz_token, *ppsz_path, i_len );
2708 (*ppsz_token)[i_len] = '\0';
2710 *ppsz_path += i_len;
2712 if( **ppsz_path == '[' )
2715 *pi_number = strtol( *ppsz_path, NULL, 10 );
2716 while( **ppsz_path && **ppsz_path != ']' )
2720 if( **ppsz_path == ']' )
2729 while( **ppsz_path == '/' )
2735 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2736 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2747 vasprintf( &psz_path, psz_fmt, args );
2749 if( !psz_path || !psz_path[0] )
2751 FREENULL( psz_path );
2756 // fprintf( stderr, "path:'%s'\n", psz_path );
2757 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2763 __get_token( &psz_path, &psz_token, &i_number );
2764 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2765 // psz_path,psz_token,i_number );
2768 FREENULL( psz_token );
2774 if( !strcmp( psz_token, "/" ) )
2777 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2779 p_box = p_box->p_father;
2790 if( !strcmp( psz_token, "." ) )
2795 if( !strcmp( psz_token, ".." ) )
2797 p_box = p_box->p_father;
2807 if( strlen( psz_token ) == 4 )
2810 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2811 psz_token[2], psz_token[3] );
2812 p_box = p_box->p_first;
2822 if( p_box->i_type == i_fourcc )
2830 p_box = p_box->p_next;
2834 if( strlen( psz_token ) == 0 )
2836 p_box = p_box->p_first;
2851 p_box = p_box->p_next;
2856 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2857 FREENULL( psz_token );
2867 /*****************************************************************************
2868 * MP4_BoxGet: find a box given a path relative to p_box
2869 *****************************************************************************
2870 * Path Format: . .. / as usual
2871 * [number] to specifie box number ex: trak[12]
2873 * ex: /moov/trak[12]
2875 *****************************************************************************/
2876 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2879 MP4_Box_t *p_result;
2881 va_start( args, psz_fmt );
2882 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2888 /*****************************************************************************
2889 * MP4_BoxCount: count box given a path relative to p_box
2890 *****************************************************************************
2891 * Path Format: . .. / as usual
2892 * [number] to specifie box number ex: trak[12]
2894 * ex: /moov/trak[12]
2896 *****************************************************************************/
2897 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2901 MP4_Box_t *p_result, *p_next;
2903 va_start( args, psz_fmt );
2904 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2912 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2914 if( p_next->i_type == p_result->i_type)