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 *****************************************************************************/
27 #include <vlc_common.h>
30 #include <vlc_demux.h>
33 # include <zlib.h> /* for compressed moov */
39 /*****************************************************************************
40 * Here are defined some macro to make life simpler but before using it
43 *****************************************************************************/
44 #define MP4_BOX_HEADERSIZE( p_box ) \
45 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
46 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
48 #define MP4_GETX_PRIVATE(dst, code, size) do { \
49 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
54 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
55 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
56 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
57 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
58 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
59 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
60 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
62 #define MP4_GETVERSIONFLAGS( p_void ) \
63 MP4_GET1BYTE( p_void->i_version ); \
64 MP4_GET3BYTES( p_void->i_flags )
66 #define MP4_GETSTRINGZ( p_str ) \
67 if( (i_read > 0) && (p_peek[0]) ) \
69 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
70 p_str = malloc( __i_copy__+1 ); \
73 memcpy( p_str, p_peek, __i_copy__ ); \
74 p_str[__i_copy__] = 0; \
76 p_peek += __i_copy__ + 1; \
77 i_read -= __i_copy__ + 1; \
84 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
85 int64_t i_read = p_box->i_size; \
86 uint8_t *p_peek, *p_buff; \
87 int i_actually_read; \
88 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
92 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
93 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
98 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
99 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
100 if( !( p_box->data.p_data = calloc( 1, sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
106 #define MP4_READBOX_EXIT( i_code ) \
111 msg_Warn( p_stream, "Not enough data" ); \
117 * The input method HAVE to be seekable
121 /* This macro is used when we want to printf the box type
122 * APPLE annotation box is :
123 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
124 * either 32-bit ASCII text string
126 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
128 static uint32_t Get24bBE( const uint8_t *p )
130 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
133 static void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
135 memcpy( p_uuid, p_buff, 16 );
138 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
140 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
141 where XXXXXXXX is the fourcc */
142 /* FIXME implement this */
147 /* some functions for mp4 encoding of variables */
149 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
156 /* date begin at 1 jan 1904 */
157 i_date += ((INT64_C(1904) * 365) + 17) * 24 * 60 * 60;
159 i_day = i_date / ( 60*60*24);
160 i_hour = ( i_date /( 60*60 ) ) % 60;
161 i_min = ( i_date / 60 ) % 60;
163 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
166 /*****************************************************************************
168 *****************************************************************************/
169 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
172 /*****************************************************************************
173 * MP4_ReadBoxCommon : Load only common parameters for all boxes
174 *****************************************************************************
175 * p_box need to be an already allocated MP4_Box_t, and all data
176 * will only be peek not read
178 * RETURN : 0 if it fail, 1 otherwise
179 *****************************************************************************/
180 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
183 const uint8_t *p_peek;
185 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
189 p_box->i_pos = stream_Tell( p_stream );
191 p_box->data.p_data = NULL;
192 p_box->p_father = NULL;
193 p_box->p_first = NULL;
194 p_box->p_last = NULL;
195 p_box->p_next = NULL;
197 MP4_GET4BYTES( p_box->i_shortsize );
198 MP4_GETFOURCC( p_box->i_type );
200 /* Now special case */
202 if( p_box->i_shortsize == 1 )
204 /* get the true size on 64 bits */
205 MP4_GET8BYTES( p_box->i_size );
209 p_box->i_size = p_box->i_shortsize;
210 /* XXX size of 0 means that the box extends to end of file */
213 if( p_box->i_type == FOURCC_uuid )
215 /* get extented type on 16 bytes */
216 GetUUID( &p_box->i_uuid, p_peek );
217 p_peek += 16; i_read -= 16;
221 CreateUUID( &p_box->i_uuid, p_box->i_type );
226 if MP4_BOX_TYPE_ASCII()
227 msg_Dbg( p_stream, "found Box: %4.4s size %"PRId64,
228 (char*)&p_box->i_type, p_box->i_size );
230 msg_Dbg( p_stream, "found Box: c%3.3s size %"PRId64,
231 (char*)&p_box->i_type+1, p_box->i_size );
238 /*****************************************************************************
239 * MP4_NextBox : Go to the next box
240 *****************************************************************************
241 * if p_box == NULL, go to the next box in which we are( at the begining ).
242 *****************************************************************************/
243 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
249 MP4_ReadBoxCommon( p_stream, &box );
255 return 2; /* Box with infinite size */
258 if( p_box->p_father )
260 const off_t i_box_end = p_box->i_size + p_box->i_pos;
261 const off_t i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
263 /* check if it's within p-father */
264 if( i_box_end >= i_father_end )
266 if( i_box_end > i_father_end )
267 msg_Dbg( p_stream, "out of bound child" );
268 return 0; /* out of bound */
271 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
279 /*****************************************************************************
280 * For all known box a loader is given,
281 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
282 * after called one of theses functions, file position is unknown
283 * you need to call MP4_GotoBox to go where you want
284 *****************************************************************************/
285 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
289 if( stream_Tell( p_stream ) + 8 >
290 (off_t)(p_container->i_pos + p_container->i_size) )
292 /* there is no box to load */
298 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
300 /* chain this box with the father and the other at same level */
301 if( !p_container->p_first ) p_container->p_first = p_box;
302 else p_container->p_last->p_next = p_box;
303 p_container->p_last = p_box;
305 } while( MP4_NextBox( p_stream, p_box ) == 1 );
310 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
312 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
314 /* container is empty, 8 stand for the first header in this box */
319 stream_Seek( p_stream, p_container->i_pos +
320 MP4_BOX_HEADERSIZE( p_container ) );
322 return MP4_ReadBoxContainerRaw( p_stream, p_container );
325 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
327 /* Up to now do nothing */
331 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
333 /* XXX sometime moov is hiden in a free box */
334 if( p_box->p_father &&
335 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
336 p_box->i_type == FOURCC_free )
338 const uint8_t *p_peek;
342 i_read = stream_Peek( p_stream, &p_peek, 44 );
344 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
345 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
349 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
351 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
353 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
355 p_box->i_type = FOURCC_foov;
356 return MP4_ReadBoxContainer( p_stream, p_box );
363 if MP4_BOX_TYPE_ASCII()
364 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
366 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
371 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
373 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
375 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
376 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
378 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
381 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
382 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
386 MP4_READBOX_EXIT( 0 );
388 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
390 MP4_GETFOURCC( tab[i] );
395 p_box->data.p_ftyp->i_compatible_brands = NULL;
398 MP4_READBOX_EXIT( 1 );
401 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
403 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
407 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
411 char s_creation_time[128];
412 char s_modification_time[128];
413 char s_duration[128];
415 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
417 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
419 if( p_box->data.p_mvhd->i_version )
421 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
422 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
424 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
428 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
429 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
430 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
431 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
433 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
434 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
435 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
438 for( i = 0; i < 2; i++ )
440 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
442 for( i = 0; i < 9; i++ )
444 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
446 for( i = 0; i < 6; i++ )
448 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
451 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
455 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
456 MP4_ConvertDate2Str( s_modification_time,
457 p_box->data.p_mvhd->i_modification_time );
458 if( p_box->data.p_mvhd->i_rate )
460 MP4_ConvertDate2Str( s_duration,
461 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
467 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
470 (uint32_t)p_box->data.p_mvhd->i_timescale,
472 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
473 (float)p_box->data.p_mvhd->i_volume / 256 ,
474 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
476 MP4_READBOX_EXIT( 1 );
479 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
483 char s_creation_time[128];
484 char s_modification_time[128];
485 char s_duration[128];
487 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
489 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
491 if( p_box->data.p_tkhd->i_version )
493 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
494 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
495 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
496 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
497 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
501 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
502 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
503 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
504 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
505 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
508 for( i = 0; i < 2; i++ )
510 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
512 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
513 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
514 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
515 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
517 for( i = 0; i < 9; i++ )
519 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
521 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
522 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
525 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
526 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
527 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
529 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
533 p_box->data.p_tkhd->i_track_ID,
534 p_box->data.p_tkhd->i_layer,
535 (float)p_box->data.p_tkhd->i_volume / 256 ,
536 (float)p_box->data.p_tkhd->i_width / 65536,
537 (float)p_box->data.p_tkhd->i_height / 65536 );
539 MP4_READBOX_EXIT( 1 );
543 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
548 char s_creation_time[128];
549 char s_modification_time[128];
550 char s_duration[128];
552 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
554 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
556 if( p_box->data.p_mdhd->i_version )
558 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
559 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
560 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
561 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
565 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
566 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
567 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
568 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
570 p_box->data.p_mdhd->i_language_code = i_language = GetWBE( p_peek );
571 for( i = 0; i < 3; i++ )
573 p_box->data.p_mdhd->i_language[i] =
574 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
577 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
580 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
581 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
582 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
583 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
586 (uint32_t)p_box->data.p_mdhd->i_timescale,
588 p_box->data.p_mdhd->i_language[0],
589 p_box->data.p_mdhd->i_language[1],
590 p_box->data.p_mdhd->i_language[2] );
592 MP4_READBOX_EXIT( 1 );
596 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
600 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
602 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
604 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
605 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
607 MP4_GET4BYTES( i_reserved );
608 MP4_GET4BYTES( i_reserved );
609 MP4_GET4BYTES( i_reserved );
610 p_box->data.p_hdlr->psz_name = NULL;
614 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
616 MP4_READBOX_EXIT( 0 );
618 /* Yes, I love .mp4 :( */
619 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
624 MP4_GET1BYTE( i_len );
625 i_copy = __MIN( i_read, i_len );
627 memcpy( psz, p_peek, i_copy );
628 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
632 memcpy( psz, p_peek, i_read );
633 p_box->data.p_hdlr->psz_name[i_read] = '\0';
638 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
639 (char*)&p_box->data.p_hdlr->i_handler_type,
640 p_box->data.p_hdlr->psz_name );
643 MP4_READBOX_EXIT( 1 );
646 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
648 FREENULL( p_box->data.p_hdlr->psz_name );
651 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
655 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
657 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
659 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
660 for( i = 0; i < 3; i++ )
662 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
666 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
667 p_box->data.p_vmhd->i_graphics_mode,
668 p_box->data.p_vmhd->i_opcolor[0],
669 p_box->data.p_vmhd->i_opcolor[1],
670 p_box->data.p_vmhd->i_opcolor[2] );
672 MP4_READBOX_EXIT( 1 );
675 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
677 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
679 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
683 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
685 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
688 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
689 (float)p_box->data.p_smhd->i_balance / 256 );
691 MP4_READBOX_EXIT( 1 );
695 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
697 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
699 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
701 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
702 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
704 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
705 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
707 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
710 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
711 p_box->data.p_hmhd->i_max_PDU_size,
712 p_box->data.p_hmhd->i_avg_PDU_size,
713 p_box->data.p_hmhd->i_max_bitrate,
714 p_box->data.p_hmhd->i_avg_bitrate );
716 MP4_READBOX_EXIT( 1 );
719 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
721 MP4_READBOX_ENTER( MP4_Box_data_url_t );
723 MP4_GETVERSIONFLAGS( p_box->data.p_url );
724 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
727 msg_Dbg( p_stream, "read box: \"url\" url: %s",
728 p_box->data.p_url->psz_location );
731 MP4_READBOX_EXIT( 1 );
735 static void MP4_FreeBox_url( MP4_Box_t *p_box )
737 FREENULL( p_box->data.p_url->psz_location );
740 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
742 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
744 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
746 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
747 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
750 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
751 p_box->data.p_urn->psz_name,
752 p_box->data.p_urn->psz_location );
754 MP4_READBOX_EXIT( 1 );
756 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
758 FREENULL( p_box->data.p_urn->psz_name );
759 FREENULL( p_box->data.p_urn->psz_location );
763 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
765 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
767 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
769 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
771 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
772 MP4_ReadBoxContainerRaw( p_stream, p_box );
775 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
776 p_box->data.p_dref->i_entry_count );
779 MP4_READBOX_EXIT( 1 );
782 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
784 FREENULL( p_box->data.p_stts->i_sample_count );
785 FREENULL( p_box->data.p_stts->i_sample_delta );
788 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
791 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
793 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
794 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
796 p_box->data.p_stts->i_sample_count =
797 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
798 p_box->data.p_stts->i_sample_delta =
799 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
800 if( p_box->data.p_stts->i_sample_count == NULL
801 || p_box->data.p_stts->i_sample_delta == NULL )
803 MP4_READBOX_EXIT( 0 );
806 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
808 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
809 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
813 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
814 p_box->data.p_stts->i_entry_count );
817 MP4_READBOX_EXIT( 1 );
821 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
823 FREENULL( p_box->data.p_ctts->i_sample_count );
824 FREENULL( p_box->data.p_ctts->i_sample_offset );
827 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
830 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
832 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
834 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
836 p_box->data.p_ctts->i_sample_count =
837 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
838 p_box->data.p_ctts->i_sample_offset =
839 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
840 if( ( p_box->data.p_ctts->i_sample_count == NULL )
841 || ( p_box->data.p_ctts->i_sample_offset == NULL ) )
843 MP4_READBOX_EXIT( 0 );
846 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
848 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
849 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
853 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
854 p_box->data.p_ctts->i_entry_count );
857 MP4_READBOX_EXIT( 1 );
861 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
864 unsigned int i_len = 0;
871 i_len = ( i_len << 7 ) + ( i_b&0x7f );
877 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
879 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
880 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
882 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
883 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
887 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
889 #define es_descriptor p_box->data.p_esds->es_descriptor
891 unsigned int i_flags;
894 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
896 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
899 MP4_GET1BYTE( i_type );
900 if( i_type == 0x03 ) /* MP4ESDescrTag */
902 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
905 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
909 MP4_GET2BYTES( es_descriptor.i_ES_ID );
910 MP4_GET1BYTE( i_flags );
911 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
912 es_descriptor.b_url = ( (i_flags&0x40) != 0);
913 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
915 es_descriptor.i_stream_priority = i_flags&0x1f;
916 if( es_descriptor.b_stream_dependence )
918 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
920 if( es_descriptor.b_url )
924 MP4_GET1BYTE( i_len );
925 es_descriptor.psz_URL = malloc( i_len + 1 );
926 if( es_descriptor.psz_URL )
928 memcpy( es_descriptor.psz_URL, p_peek, i_len );
929 es_descriptor.psz_URL[i_len] = 0;
936 es_descriptor.psz_URL = NULL;
938 if( es_descriptor.b_OCRstream )
940 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
942 MP4_GET1BYTE( i_type ); /* get next type */
945 if( i_type != 0x04)/* MP4DecConfigDescrTag */
947 es_descriptor.p_decConfigDescr = NULL;
948 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
951 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
954 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
958 es_descriptor.p_decConfigDescr =
959 calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
960 if( es_descriptor.p_decConfigDescr == NULL )
961 MP4_READBOX_EXIT( 0 );
963 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
964 MP4_GET1BYTE( i_flags );
965 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
966 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
967 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
968 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
969 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
970 MP4_GET1BYTE( i_type );
971 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
973 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
974 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
975 MP4_READBOX_EXIT( 1 );
978 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
981 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
985 MP4_READBOX_EXIT( 0 );
987 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
988 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
989 if( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL )
990 MP4_READBOX_EXIT( 0 );
992 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
995 MP4_READBOX_EXIT( 1 );
999 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1001 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1004 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1008 for( i = 0; i < p_avcC->i_sps; i++ )
1009 FREENULL( p_avcC->sps[i] );
1013 for( i = 0; i < p_avcC->i_pps; i++ )
1014 FREENULL( p_avcC->pps[i] );
1016 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1017 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1018 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1019 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1022 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1024 MP4_Box_data_avcC_t *p_avcC;
1027 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1028 p_avcC = p_box->data.p_avcC;
1030 p_avcC->i_avcC = i_read;
1031 if( p_avcC->i_avcC > 0 )
1033 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1035 memcpy( p, p_peek, i_read );
1038 MP4_GET1BYTE( p_avcC->i_version );
1039 MP4_GET1BYTE( p_avcC->i_profile );
1040 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1041 MP4_GET1BYTE( p_avcC->i_level );
1042 MP4_GET1BYTE( p_avcC->i_reserved1 );
1043 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1044 p_avcC->i_reserved1 >>= 2;
1046 MP4_GET1BYTE( p_avcC->i_reserved2 );
1047 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1048 p_avcC->i_reserved2 >>= 5;
1050 if( p_avcC->i_sps > 0 )
1052 p_avcC->i_sps_length = calloc( p_avcC->i_sps, sizeof( uint16_t ) );
1053 p_avcC->sps = calloc( p_avcC->i_sps, sizeof( uint8_t* ) );
1055 if( !p_avcC->i_sps_length || !p_avcC->sps )
1058 for( i = 0; i < p_avcC->i_sps; i++ )
1060 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1061 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1062 if( p_avcC->sps[i] )
1063 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1065 p_peek += p_avcC->i_sps_length[i];
1066 i_read -= p_avcC->i_sps_length[i];
1070 MP4_GET1BYTE( p_avcC->i_pps );
1071 if( p_avcC->i_pps > 0 )
1073 p_avcC->i_pps_length = calloc( p_avcC->i_pps, sizeof( uint16_t ) );
1074 p_avcC->pps = calloc( p_avcC->i_pps, sizeof( uint8_t* ) );
1076 if( !p_avcC->i_pps_length || !p_avcC->pps )
1079 for( i = 0; i < p_avcC->i_pps; i++ )
1081 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1082 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1083 if( p_avcC->pps[i] )
1084 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1086 p_peek += p_avcC->i_pps_length[i];
1087 i_read -= p_avcC->i_pps_length[i];
1092 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1093 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1094 p_avcC->i_length_size,
1095 p_avcC->i_sps, p_avcC->i_pps );
1096 for( i = 0; i < p_avcC->i_sps; i++ )
1098 msg_Dbg( p_stream, " - sps[%d] length=%d",
1099 i, p_avcC->i_sps_length[i] );
1101 for( i = 0; i < p_avcC->i_pps; i++ )
1103 msg_Dbg( p_stream, " - pps[%d] length=%d",
1104 i, p_avcC->i_pps_length[i] );
1108 MP4_READBOX_EXIT( 1 );
1111 MP4_READBOX_EXIT( 0 );
1114 static int MP4_ReadBox_dac3( stream_t *p_stream, MP4_Box_t *p_box )
1116 MP4_Box_data_dac3_t *p_dac3;
1117 MP4_READBOX_ENTER( MP4_Box_data_dac3_t );
1119 p_dac3 = p_box->data.p_dac3;
1122 MP4_GET3BYTES( i_header );
1124 p_dac3->i_fscod = ( i_header >> 22 ) & 0x03;
1125 p_dac3->i_bsid = ( i_header >> 17 ) & 0x01f;
1126 p_dac3->i_bsmod = ( i_header >> 14 ) & 0x07;
1127 p_dac3->i_acmod = ( i_header >> 11 ) & 0x07;
1128 p_dac3->i_lfeon = ( i_header >> 10 ) & 0x01;
1129 p_dac3->i_bitrate_code = ( i_header >> 5) & 0x1f;
1133 "read box: \"dac3\" fscod=0x%x bsid=0x%x bsmod=0x%x acmod=0x%x lfeon=0x%x bitrate_code=0x%x",
1134 p_dac3->i_fscod, p_dac3->i_bsid, p_dac3->i_bsmod, p_dac3->i_acmod, p_dac3->i_lfeon, p_dac3->i_bitrate_code );
1136 MP4_READBOX_EXIT( 1 );
1139 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1143 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1144 p_box->data.p_sample_soun->p_qt_description = NULL;
1146 /* Sanity check needed because the "wave" box does also contain an
1147 * "mp4a" box that we don't understand. */
1151 MP4_READBOX_EXIT( 1 );
1154 for( i = 0; i < 6 ; i++ )
1156 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1159 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1162 * XXX hack -> produce a copy of the nearly complete chunk
1164 p_box->data.p_sample_soun->i_qt_description = 0;
1165 p_box->data.p_sample_soun->p_qt_description = NULL;
1168 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1169 if( p_box->data.p_sample_soun->p_qt_description )
1171 p_box->data.p_sample_soun->i_qt_description = i_read;
1172 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1176 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1177 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1178 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1180 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1181 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1182 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1183 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1184 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1185 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1187 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1189 /* SoundDescriptionV1 */
1190 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1191 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1192 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1193 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1197 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1198 "bytes/frame=%d bytes/sample=%d",
1199 p_box->data.p_sample_soun->i_sample_per_packet,
1200 p_box->data.p_sample_soun->i_bytes_per_packet,
1201 p_box->data.p_sample_soun->i_bytes_per_frame,
1202 p_box->data.p_sample_soun->i_bytes_per_sample );
1204 stream_Seek( p_stream, p_box->i_pos +
1205 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1207 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1209 /* SoundDescriptionV2 */
1210 double f_sample_rate;
1214 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1215 MP4_GET8BYTES( dummy );
1216 memcpy( &f_sample_rate, &dummy, 8 );
1218 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1219 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1220 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1222 MP4_GET4BYTES( i_channel );
1223 p_box->data.p_sample_soun->i_channelcount = i_channel;
1226 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1228 stream_Seek( p_stream, p_box->i_pos +
1229 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1233 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1234 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1235 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1236 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1238 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1240 stream_Seek( p_stream, p_box->i_pos +
1241 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1244 if( p_box->i_type == FOURCC_drms )
1246 char *home = config_GetUserDir( VLC_HOME_DIR );
1249 p_box->data.p_sample_soun->p_drms = drms_alloc( home );
1250 if( p_box->data.p_sample_soun->p_drms == NULL )
1251 msg_Err( p_stream, "drms_alloc() failed" );
1255 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1257 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1258 p_box->data.p_sample_soun->i_channelcount = 1;
1261 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1264 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1265 "sample size %d sample rate %f",
1266 p_box->data.p_sample_soun->i_channelcount,
1267 p_box->data.p_sample_soun->i_samplesize,
1268 (float)p_box->data.p_sample_soun->i_sampleratehi +
1269 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1272 MP4_READBOX_EXIT( 1 );
1276 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1278 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1280 if( p_box->i_type == FOURCC_drms )
1282 if( p_box->data.p_sample_soun->p_drms )
1284 drms_free( p_box->data.p_sample_soun->p_drms );
1290 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1294 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1296 for( i = 0; i < 6 ; i++ )
1298 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1301 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1304 * XXX hack -> produce a copy of the nearly complete chunk
1308 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1309 if( p_box->data.p_sample_vide->p_qt_image_description == NULL )
1310 MP4_READBOX_EXIT( 0 );
1311 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1312 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1317 p_box->data.p_sample_vide->i_qt_image_description = 0;
1318 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1321 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1322 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1323 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1325 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1326 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1328 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1329 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1331 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1332 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1334 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1335 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1337 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1338 p_peek += 32; i_read -= 32;
1340 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1341 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1343 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1345 if( p_box->i_type == FOURCC_drmi )
1347 char *home = config_GetUserDir( VLC_HOME_DIR );
1350 p_box->data.p_sample_vide->p_drms = drms_alloc( home );
1351 if( p_box->data.p_sample_vide->p_drms == NULL )
1352 msg_Err( p_stream, "drms_alloc() failed" );
1356 MP4_ReadBoxContainerRaw( p_stream, p_box );
1359 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1360 p_box->data.p_sample_vide->i_width,
1361 p_box->data.p_sample_vide->i_height,
1362 p_box->data.p_sample_vide->i_depth );
1365 MP4_READBOX_EXIT( 1 );
1369 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1371 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1373 if( p_box->i_type == FOURCC_drmi )
1375 if( p_box->data.p_sample_vide->p_drms )
1377 drms_free( p_box->data.p_sample_vide->p_drms );
1382 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1384 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1385 MP4_ReadBoxContainerRaw( p_stream, p_box );
1389 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1393 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1395 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1396 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1398 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1400 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1405 /* FIXME search right signification */
1407 p_box->data.p_sample_text->i_justification_horizontal = 1;
1408 p_box->data.p_sample_text->i_justification_vertical = 1;
1410 case -1: // Flush Right
1411 p_box->data.p_sample_text->i_justification_horizontal = -1;
1412 p_box->data.p_sample_text->i_justification_vertical = -1;
1414 case -2: // Flush Left
1415 p_box->data.p_sample_text->i_justification_horizontal = 0;
1416 p_box->data.p_sample_text->i_justification_vertical = 0;
1418 case 0: // Flush Default
1420 p_box->data.p_sample_text->i_justification_horizontal = 1;
1421 p_box->data.p_sample_text->i_justification_vertical = -1;
1425 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1426 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1427 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1428 p_box->data.p_sample_text->i_background_color[3] = 0;
1430 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1431 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1432 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1433 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1436 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1438 MP4_READBOX_EXIT( 1 );
1441 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1443 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1445 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1446 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1448 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1450 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1452 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1453 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1455 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1456 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1457 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1458 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1460 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1461 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1462 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1463 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1466 msg_Dbg( p_stream, "read box: \"tx3g\" in stsd text" );
1468 MP4_READBOX_EXIT( 1 );
1473 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1474 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1476 FREENULL( p_box->data.p_sample_text->psz_text_name );
1481 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1484 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1486 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1488 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1490 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1492 MP4_ReadBoxContainerRaw( p_stream, p_box );
1495 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1496 p_box->data.p_stsd->i_entry_count );
1499 MP4_READBOX_EXIT( 1 );
1503 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1507 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1509 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1511 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1513 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1515 p_box->data.p_stsz->i_entry_size =
1516 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1517 if( p_box->data.p_stsz->i_entry_size == NULL )
1518 MP4_READBOX_EXIT( 0 );
1520 if( !p_box->data.p_stsz->i_sample_size )
1522 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1524 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1529 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1530 p_box->data.p_stsz->i_sample_size,
1531 p_box->data.p_stsz->i_sample_count );
1534 MP4_READBOX_EXIT( 1 );
1537 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1539 FREENULL( p_box->data.p_stsz->i_entry_size );
1542 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1544 FREENULL( p_box->data.p_stsc->i_first_chunk );
1545 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1546 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1549 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1553 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1555 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1557 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1559 p_box->data.p_stsc->i_first_chunk =
1560 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1561 p_box->data.p_stsc->i_samples_per_chunk =
1562 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1563 p_box->data.p_stsc->i_sample_description_index =
1564 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1565 if( p_box->data.p_stsc->i_first_chunk == NULL
1566 || p_box->data.p_stsc->i_samples_per_chunk == NULL
1567 || p_box->data.p_stsc->i_sample_description_index == NULL )
1569 MP4_READBOX_EXIT( 0 );
1572 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1574 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1575 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1576 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1580 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1581 p_box->data.p_stsc->i_entry_count );
1584 MP4_READBOX_EXIT( 1 );
1587 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1591 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1593 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1595 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1597 p_box->data.p_co64->i_chunk_offset =
1598 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
1599 if( p_box->data.p_co64->i_chunk_offset == NULL )
1600 MP4_READBOX_EXIT( 0 );
1602 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1604 if( p_box->i_type == FOURCC_stco )
1610 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1618 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1623 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1624 p_box->data.p_co64->i_entry_count );
1627 MP4_READBOX_EXIT( 1 );
1630 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1632 FREENULL( p_box->data.p_co64->i_chunk_offset );
1635 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1639 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1641 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1643 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1645 p_box->data.p_stss->i_sample_number =
1646 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
1647 if( p_box->data.p_stss->i_sample_number == NULL )
1648 MP4_READBOX_EXIT( 0 );
1650 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1653 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1654 /* XXX in libmp4 sample begin at 0 */
1655 p_box->data.p_stss->i_sample_number[i]--;
1659 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1660 p_box->data.p_stss->i_entry_count );
1663 MP4_READBOX_EXIT( 1 );
1666 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1668 FREENULL( p_box->data.p_stss->i_sample_number );
1671 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1673 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1674 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1677 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1681 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1683 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1686 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1688 p_box->data.p_stsh->i_shadowed_sample_number =
1689 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1690 p_box->data.p_stsh->i_sync_sample_number =
1691 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1693 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
1694 || p_box->data.p_stsh->i_sync_sample_number == NULL )
1696 MP4_READBOX_EXIT( 0 );
1699 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1702 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1703 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1707 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1708 p_box->data.p_stsh->i_entry_count );
1710 MP4_READBOX_EXIT( 1 );
1714 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1718 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1720 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1722 p_box->data.p_stdp->i_priority =
1723 calloc( i_read / 2, sizeof(uint16_t) );
1725 for( i = 0; i < i_read / 2 ; i++ )
1728 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1732 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
1736 MP4_READBOX_EXIT( 1 );
1739 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1741 FREENULL( p_box->data.p_stdp->i_priority );
1744 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1746 FREENULL( p_box->data.p_padb->i_reserved1 );
1747 FREENULL( p_box->data.p_padb->i_pad2 );
1748 FREENULL( p_box->data.p_padb->i_reserved2 );
1749 FREENULL( p_box->data.p_padb->i_pad1 );
1752 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1757 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1759 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1761 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1762 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
1764 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
1765 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
1766 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
1767 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
1768 if( p_box->data.p_padb->i_reserved1 == NULL
1769 || p_box->data.p_padb->i_pad2 == NULL
1770 || p_box->data.p_padb->i_reserved2 == NULL
1771 || p_box->data.p_padb->i_pad1 == NULL )
1773 MP4_READBOX_EXIT( 0 );
1776 for( i = 0; i < i_read / 2 ; i++ )
1780 MP4_READBOX_EXIT( 0 );
1782 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1783 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1784 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1785 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1787 p_peek += 1; i_read -= 1;
1791 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
1795 MP4_READBOX_EXIT( 1 );
1798 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1800 FREENULL( p_box->data.p_elst->i_segment_duration );
1801 FREENULL( p_box->data.p_elst->i_media_time );
1802 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1803 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1806 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1810 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1812 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1815 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1817 p_box->data.p_elst->i_segment_duration =
1818 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1819 p_box->data.p_elst->i_media_time =
1820 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1821 p_box->data.p_elst->i_media_rate_integer =
1822 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1823 p_box->data.p_elst->i_media_rate_fraction =
1824 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1825 if( p_box->data.p_elst->i_segment_duration == NULL
1826 || p_box->data.p_elst->i_media_time == NULL
1827 || p_box->data.p_elst->i_media_rate_integer == NULL
1828 || p_box->data.p_elst->i_media_rate_fraction == NULL )
1830 MP4_READBOX_EXIT( 0 );
1834 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1836 if( p_box->data.p_elst->i_version == 1 )
1839 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1841 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1846 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1848 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1849 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1852 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1853 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1857 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1858 (unsigned long)p_box->data.p_elst->i_entry_count );
1860 MP4_READBOX_EXIT( 1 );
1863 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1865 unsigned int i_language;
1868 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1870 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1872 i_language = GetWBE( p_peek );
1873 for( i = 0; i < 3; i++ )
1875 p_box->data.p_cprt->i_language[i] =
1876 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1878 p_peek += 2; i_read -= 2;
1879 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1882 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1883 p_box->data.p_cprt->i_language[0],
1884 p_box->data.p_cprt->i_language[1],
1885 p_box->data.p_cprt->i_language[2],
1886 p_box->data.p_cprt->psz_notice );
1889 MP4_READBOX_EXIT( 1 );
1892 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1894 FREENULL( p_box->data.p_cprt->psz_notice );
1898 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1900 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1902 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1905 "read box: \"dcom\" compression algorithm : %4.4s",
1906 (char*)&p_box->data.p_dcom->i_algorithm );
1908 MP4_READBOX_EXIT( 1 );
1911 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1913 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1915 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1917 p_box->data.p_cmvd->i_compressed_size = i_read;
1919 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1922 /* now copy compressed data */
1923 memcpy( p_box->data.p_cmvd->p_data,
1927 p_box->data.p_cmvd->b_compressed = 1;
1930 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1931 p_box->data.p_cmvd->i_compressed_size );
1934 MP4_READBOX_EXIT( 1 );
1936 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1938 FREENULL( p_box->data.p_cmvd->p_data );
1942 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1948 stream_t *p_stream_memory;
1954 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1956 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1958 if( !p_box->p_father ||
1959 ( p_box->p_father->i_type != FOURCC_moov &&
1960 p_box->p_father->i_type != FOURCC_foov ) )
1962 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1966 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1971 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1972 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1973 p_cmvd->data.p_cmvd->p_data == NULL )
1975 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1979 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1981 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1982 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1987 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1991 /* decompress data */
1992 /* allocate a new buffer */
1993 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1995 /* init default structures */
1996 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1997 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1998 z_data.next_out = p_data;
1999 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
2000 z_data.zalloc = (alloc_func)Z_NULL;
2001 z_data.zfree = (free_func)Z_NULL;
2002 z_data.opaque = (voidpf)Z_NULL;
2005 if( inflateInit( &z_data ) != Z_OK )
2007 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2013 i_result = inflate( &z_data, Z_NO_FLUSH );
2014 if( i_result != Z_OK && i_result != Z_STREAM_END )
2016 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
2021 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
2023 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
2026 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
2029 if( inflateEnd( &z_data ) != Z_OK )
2031 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2035 free( p_cmvd->data.p_cmvd->p_data );
2036 p_cmvd->data.p_cmvd->p_data = p_data;
2037 p_cmvd->data.p_cmvd->b_compressed = 0;
2039 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
2041 /* now create a memory stream */
2043 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2044 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2046 /* and read uncompressd moov */
2047 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2049 stream_Delete( p_stream_memory );
2052 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2055 return p_box->data.p_cmov->p_moov ? 1 : 0;
2056 #endif /* HAVE_ZLIB_H */
2059 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2062 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2064 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2065 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2066 MP4_GET4BYTES( i_len );
2072 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2073 if( p_box->data.p_rdrf->psz_ref == NULL )
2074 MP4_READBOX_EXIT( 0 );
2077 for( i = 0; i < i_len; i++ )
2079 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2081 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2085 p_box->data.p_rdrf->psz_ref = NULL;
2090 "read box: \"rdrf\" type:%4.4s ref %s",
2091 (char*)&p_box->data.p_rdrf->i_ref_type,
2092 p_box->data.p_rdrf->psz_ref );
2094 MP4_READBOX_EXIT( 1 );
2097 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2099 FREENULL( p_box->data.p_rdrf->psz_ref );
2103 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2105 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2107 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2109 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2113 "read box: \"rmdr\" rate:%d",
2114 p_box->data.p_rmdr->i_rate );
2116 MP4_READBOX_EXIT( 1 );
2119 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2121 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2123 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2127 "read box: \"rmqu\" quality:%d",
2128 p_box->data.p_rmqu->i_quality );
2130 MP4_READBOX_EXIT( 1 );
2133 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2135 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2136 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2138 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2139 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2140 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2141 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2145 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2146 (char*)&p_box->data.p_rmvc->i_gestaltType,
2147 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2148 p_box->data.p_rmvc->i_checkType );
2151 MP4_READBOX_EXIT( 1 );
2154 static int MP4_ReadBox_frma( stream_t *p_stream, MP4_Box_t *p_box )
2156 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2158 MP4_GETFOURCC( p_box->data.p_frma->i_type );
2161 msg_Dbg( p_stream, "read box: \"frma\" i_type:%4.4s",
2162 (char *)&p_box->data.p_frma->i_type );
2165 MP4_READBOX_EXIT( 1 );
2168 static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
2170 MP4_READBOX_ENTER( MP4_Box_data_frma_t );
2172 MP4_GET4BYTES( p_box->data.p_skcr->i_init );
2173 MP4_GET4BYTES( p_box->data.p_skcr->i_encr );
2174 MP4_GET4BYTES( p_box->data.p_skcr->i_decr );
2177 msg_Dbg( p_stream, "read box: \"skcr\" i_init:%d i_encr:%d i_decr:%d",
2178 p_box->data.p_skcr->i_init,
2179 p_box->data.p_skcr->i_encr,
2180 p_box->data.p_skcr->i_decr );
2183 MP4_READBOX_EXIT( 1 );
2186 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2188 MP4_Box_t *p_drms_box = p_box;
2189 void *p_drms = NULL;
2191 MP4_READBOX_ENTER( uint8_t );
2195 p_drms_box = p_drms_box->p_father;
2196 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms
2197 && p_drms_box->i_type != FOURCC_drmi );
2199 if( p_drms_box && p_drms_box->i_type == FOURCC_drms )
2200 p_drms = p_drms_box->data.p_sample_soun->p_drms;
2201 else if( p_drms_box && p_drms_box->i_type == FOURCC_drmi )
2202 p_drms = p_drms_box->data.p_sample_vide->p_drms;
2204 if( p_drms_box && p_drms )
2206 int i_ret = drms_init( p_drms, p_box->i_type, p_peek, i_read );
2209 const char *psz_error;
2213 case -1: psz_error = "unimplemented"; break;
2214 case -2: psz_error = "invalid argument"; break;
2215 case -3: psz_error = "could not get system key"; break;
2216 case -4: psz_error = "could not get SCI data"; break;
2217 case -5: psz_error = "no user key found in SCI data"; break;
2218 case -6: psz_error = "invalid user key"; break;
2219 default: psz_error = "unknown error"; break;
2221 if MP4_BOX_TYPE_ASCII()
2222 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2223 (char *)&p_box->i_type, psz_error );
2225 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2226 (char *)&p_box->i_type+1, psz_error );
2228 drms_free( p_drms );
2230 if( p_drms_box->i_type == FOURCC_drms )
2231 p_drms_box->data.p_sample_soun->p_drms = NULL;
2232 else if( p_drms_box->i_type == FOURCC_drmi )
2233 p_drms_box->data.p_sample_vide->p_drms = NULL;
2237 MP4_READBOX_EXIT( 1 );
2240 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2244 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2246 p_box->data.p_0xa9xxx->psz_text = NULL;
2248 MP4_GET2BYTES( i16 );
2254 MP4_GET2BYTES( i16 );
2255 if( i_length >= i_read ) i_length = i_read + 1;
2257 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2258 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2259 MP4_READBOX_EXIT( 0 );
2262 memcpy( p_box->data.p_0xa9xxx->psz_text,
2264 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2268 "read box: \"c%3.3s\" text=`%s'",
2269 ((char*)&p_box->i_type + 1),
2270 p_box->data.p_0xa9xxx->psz_text );
2275 /* try iTune/Quicktime format, rewind to start */
2276 p_peek -= 2; i_read += 2;
2277 // we are expecting a 'data' box
2278 uint32_t i_data_len;
2279 uint32_t i_data_tag;
2281 MP4_GET4BYTES( i_data_len );
2282 if( i_data_len > i_read ) i_data_len = i_read;
2283 MP4_GETFOURCC( i_data_tag );
2284 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2286 /* data box contains a version/flags field */
2288 uint32_t i_reserved;
2289 MP4_GET4BYTES( i_version );
2290 MP4_GET4BYTES( i_reserved );
2291 // version should be 0, flags should be 1 for text, 0 for data
2292 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2294 // the rest is the text
2296 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2297 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2298 MP4_READBOX_EXIT( 0 );
2300 memcpy( p_box->data.p_0xa9xxx->psz_text,
2301 p_peek, i_data_len );
2302 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2305 "read box: \"c%3.3s\" text=`%s'",
2306 ((char*)&p_box->i_type+1),
2307 p_box->data.p_0xa9xxx->psz_text );
2312 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2317 MP4_READBOX_EXIT( 1 );
2319 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2321 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2324 /* Chapter support */
2325 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2327 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2329 for( i = 0; i < p_chpl->i_chapter; i++ )
2330 free( p_chpl->chapter[i].psz_name );
2333 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2335 MP4_Box_data_chpl_t *p_chpl;
2338 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2340 p_chpl = p_box->data.p_chpl;
2342 MP4_GETVERSIONFLAGS( p_chpl );
2344 MP4_GET4BYTES( i_dummy );
2346 MP4_GET1BYTE( p_chpl->i_chapter );
2348 for( i = 0; i < p_chpl->i_chapter; i++ )
2353 MP4_GET8BYTES( i_start );
2354 MP4_GET1BYTE( i_len );
2356 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2357 if( !p_chpl->chapter[i].psz_name )
2360 i_copy = __MIN( i_len, i_read );
2362 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2363 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2364 p_chpl->chapter[i].i_start = i_start;
2369 /* Bubble sort by increasing start date */
2372 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2374 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2376 char *psz = p_chpl->chapter[i+1].psz_name;
2377 int64_t i64 = p_chpl->chapter[i+1].i_start;
2379 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2380 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2382 p_chpl->chapter[i].psz_name = psz;
2383 p_chpl->chapter[i].i_start = i64;
2392 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2393 p_chpl->i_chapter );
2395 MP4_READBOX_EXIT( 1 );
2398 MP4_READBOX_EXIT( 0 );
2401 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2404 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2406 p_box->data.p_tref_generic->i_track_ID = NULL;
2407 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2408 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2409 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
2410 if( p_box->data.p_tref_generic->i_track_ID == NULL )
2411 MP4_READBOX_EXIT( 0 );
2413 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2415 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2418 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2419 p_box->data.p_tref_generic->i_entry_count );
2422 MP4_READBOX_EXIT( 1 );
2424 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2426 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2429 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2431 uint8_t meta_data[8];
2432 int i_actually_read;
2434 // skip over box header
2435 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2436 if( i_actually_read < 8 )
2439 /* meta content starts with a 4 byte version/flags value (should be 0) */
2440 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2441 if( i_actually_read < 4 )
2444 /* then it behaves like a container */
2445 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2449 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2451 if( !p_box->p_father )
2455 if( p_box->p_father->i_type == FOURCC_stsd )
2457 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2460 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2461 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2465 switch( p_hdlr->data.p_hdlr->i_handler_type )
2468 return MP4_ReadBox_sample_soun( p_stream, p_box );
2470 return MP4_ReadBox_sample_vide( p_stream, p_box );
2472 return MP4_ReadBox_sample_text( p_stream, p_box );
2475 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2478 "unknown handler type in stsd (incompletely loaded)" );
2484 if MP4_BOX_TYPE_ASCII()
2486 "unknown box type %4.4s (incompletely loaded)",
2487 (char*)&p_box->i_type );
2490 "unknown box type c%3.3s (incompletely loaded)",
2491 (char*)&p_box->i_type+1 );
2496 /**** ------------------------------------------------------------------- ****/
2497 /**** "Higher level" Functions ****/
2498 /**** ------------------------------------------------------------------- ****/
2503 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2504 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2505 } MP4_Box_Function [] =
2508 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2509 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2510 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2511 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2512 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2513 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2514 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2515 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2516 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2517 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2518 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2519 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2520 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2521 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2522 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2523 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2524 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2527 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2528 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2529 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2530 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2531 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2532 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2533 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2534 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2535 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2536 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2537 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2538 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2539 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2540 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2541 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2542 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2543 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2544 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2545 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2546 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2547 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2548 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2549 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2550 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2551 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2552 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2553 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2554 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2555 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2556 { FOURCC_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common },
2558 /* Nothing to do with this box */
2559 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2560 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2561 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2562 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2565 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2566 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2567 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2568 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2569 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2570 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2571 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2572 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2573 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2574 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2575 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2576 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2577 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2578 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2579 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2580 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2581 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2582 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2583 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2584 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2585 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2586 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2587 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2589 { FOURCC_drmi, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2590 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2591 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2592 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2593 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2594 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2595 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2596 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2597 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2598 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2599 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2600 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2601 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2602 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2603 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2604 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2605 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2606 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2607 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2608 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2609 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2610 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2611 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2612 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2614 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2615 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2617 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2618 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2619 { FOURCC_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2620 { FOURCC_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2621 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2622 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2623 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2625 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2626 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2628 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2629 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2631 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2633 /* XXX there is 2 box where we could find this entry stbl and tref*/
2634 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2636 /* found in tref box */
2637 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2638 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2639 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2640 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2643 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2646 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2647 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2648 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2649 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2651 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2652 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2653 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2654 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2655 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2656 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2657 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2658 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2659 { FOURCC_frma, MP4_ReadBox_frma, MP4_FreeBox_Common },
2660 { FOURCC_skcr, MP4_ReadBox_skcr, MP4_FreeBox_Common },
2663 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2664 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2665 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2666 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2667 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2668 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2669 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2670 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2671 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2672 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2673 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2674 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2675 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2676 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2677 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2678 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2679 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2680 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2681 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2682 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2683 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2684 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2685 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2686 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2687 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2689 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2691 /* iTunes/Quicktime meta info */
2692 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2695 { 0, MP4_ReadBox_default, NULL }
2700 /*****************************************************************************
2701 * MP4_ReadBox : parse the actual box and the children
2702 * XXX : Do not go to the next box
2703 *****************************************************************************/
2704 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2706 MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
2707 unsigned int i_index;
2712 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2714 msg_Warn( p_stream, "cannot read one box" );
2718 if( !p_box->i_size )
2720 msg_Dbg( p_stream, "found an empty box (null size)" );
2724 p_box->p_father = p_father;
2726 /* Now search function to call */
2727 for( i_index = 0; ; i_index++ )
2729 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2730 ( MP4_Box_Function[i_index].i_type == 0 ) )
2736 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2738 MP4_BoxFree( p_stream, p_box );
2745 /*****************************************************************************
2746 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2748 *****************************************************************************/
2749 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2751 unsigned int i_index;
2757 for( p_child = p_box->p_first; p_child != NULL; )
2761 p_next = p_child->p_next;
2762 MP4_BoxFree( s, p_child );
2766 /* Now search function to call */
2767 if( p_box->data.p_data )
2769 for( i_index = 0; ; i_index++ )
2771 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2772 ( MP4_Box_Function[i_index].i_type == 0 ) )
2777 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2779 /* Should not happen */
2780 if MP4_BOX_TYPE_ASCII()
2782 "cannot free box %4.4s, type unknown",
2783 (char*)&p_box->i_type );
2786 "cannot free box c%3.3s, type unknown",
2787 (char*)&p_box->i_type+1 );
2791 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2793 free( p_box->data.p_data );
2798 /*****************************************************************************
2799 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2800 *****************************************************************************
2801 * The first box is a virtual box "root" and is the father for all first
2802 * level boxes for the file, a sort of virtual contener
2803 *****************************************************************************/
2804 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2810 p_root = malloc( sizeof( MP4_Box_t ) );
2811 if( p_root == NULL )
2815 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2816 p_root->i_shortsize = 1;
2817 p_root->i_size = stream_Size( s );
2818 CreateUUID( &p_root->i_uuid, p_root->i_type );
2820 p_root->data.p_data = NULL;
2821 p_root->p_father = NULL;
2822 p_root->p_first = NULL;
2823 p_root->p_last = NULL;
2824 p_root->p_next = NULL;
2828 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2836 /* check if there is a cmov, if so replace
2837 compressed moov by uncompressed one */
2838 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2839 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2840 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2841 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2843 /* rename the compressed moov as a box to skip */
2844 p_moov->i_type = FOURCC_skip;
2846 /* get uncompressed p_moov */
2847 p_moov = p_cmov->data.p_cmov->p_moov;
2848 p_cmov->data.p_cmov->p_moov = NULL;
2850 /* make p_root father of this new moov */
2851 p_moov->p_father = p_root;
2853 /* insert this new moov box as first child of p_root */
2854 p_moov->p_next = p_child = p_root->p_first;
2855 p_root->p_first = p_moov;
2863 static void __MP4_BoxDumpStructure( stream_t *s,
2864 MP4_Box_t *p_box, unsigned int i_level )
2870 if MP4_BOX_TYPE_ASCII()
2871 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2872 (char*)&p_box->i_type );
2874 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2875 (char*)&p_box->i_type+1 );
2882 if( i_level * 5 + 1 >= sizeof(str) )
2885 memset( str, ' ', sizeof(str) );
2886 for( i = 0; i < i_level; i++ )
2890 if( MP4_BOX_TYPE_ASCII() )
2891 snprintf( &str[i_level * 5], sizeof(str) - 5*i_level,
2893 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2895 snprintf( &str[i_level * 5], sizeof(str) - 5*i_level,
2897 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2898 msg_Dbg( s, "%s", str );
2900 p_child = p_box->p_first;
2903 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2904 p_child = p_child->p_next;
2908 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2910 __MP4_BoxDumpStructure( s, p_box, 0 );
2915 /*****************************************************************************
2916 *****************************************************************************
2918 ** High level methods to acces an MP4 file
2920 *****************************************************************************
2921 *****************************************************************************/
2922 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2925 if( !*ppsz_path[0] )
2932 while( (*ppsz_path)[i_len] &&
2933 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2937 if( !i_len && **ppsz_path == '/' )
2941 *ppsz_token = malloc( i_len + 1 );
2943 memcpy( *ppsz_token, *ppsz_path, i_len );
2945 (*ppsz_token)[i_len] = '\0';
2947 *ppsz_path += i_len;
2949 if( **ppsz_path == '[' )
2952 *pi_number = strtol( *ppsz_path, NULL, 10 );
2953 while( **ppsz_path && **ppsz_path != ']' )
2957 if( **ppsz_path == ']' )
2966 while( **ppsz_path == '/' )
2972 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2973 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2984 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
2987 if( !psz_path || !psz_path[0] )
2994 // fprintf( stderr, "path:'%s'\n", psz_path );
2995 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
3001 __get_token( &psz_path, &psz_token, &i_number );
3002 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
3003 // psz_path,psz_token,i_number );
3011 if( !strcmp( psz_token, "/" ) )
3014 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
3016 p_box = p_box->p_father;
3027 if( !strcmp( psz_token, "." ) )
3032 if( !strcmp( psz_token, ".." ) )
3034 p_box = p_box->p_father;
3044 if( strlen( psz_token ) == 4 )
3047 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
3048 psz_token[2], psz_token[3] );
3049 p_box = p_box->p_first;
3059 if( p_box->i_type == i_fourcc )
3067 p_box = p_box->p_next;
3071 if( strlen( psz_token ) == 0 )
3073 p_box = p_box->p_first;
3088 p_box = p_box->p_next;
3093 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
3094 FREENULL( psz_token );
3104 /*****************************************************************************
3105 * MP4_BoxGet: find a box given a path relative to p_box
3106 *****************************************************************************
3107 * Path Format: . .. / as usual
3108 * [number] to specifie box number ex: trak[12]
3110 * ex: /moov/trak[12]
3112 *****************************************************************************/
3113 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
3116 MP4_Box_t *p_result;
3118 va_start( args, psz_fmt );
3119 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
3125 /*****************************************************************************
3126 * MP4_BoxCount: count box given a path relative to p_box
3127 *****************************************************************************
3128 * Path Format: . .. / as usual
3129 * [number] to specifie box number ex: trak[12]
3131 * ex: /moov/trak[12]
3133 *****************************************************************************/
3134 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
3138 MP4_Box_t *p_result, *p_next;
3140 va_start( args, psz_fmt );
3141 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
3149 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3151 if( p_next->i_type == p_result->i_type)