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 = malloc( 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 int i_box_end = p_box->i_size + p_box->i_pos;
261 const int 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_FreeBox_stts( p_box );
804 MP4_READBOX_EXIT( 0 );
807 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
809 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
810 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
814 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
815 p_box->data.p_stts->i_entry_count );
818 MP4_READBOX_EXIT( 1 );
822 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
824 FREENULL( p_box->data.p_ctts->i_sample_count );
825 FREENULL( p_box->data.p_ctts->i_sample_offset );
828 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
831 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
833 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
835 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
837 p_box->data.p_ctts->i_sample_count =
838 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
839 p_box->data.p_ctts->i_sample_offset =
840 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
841 if( ( p_box->data.p_ctts->i_sample_count == NULL )
842 || ( p_box->data.p_ctts->i_sample_offset == NULL ) )
844 MP4_FreeBox_ctts( p_box );
845 MP4_READBOX_EXIT( 0 );
848 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
850 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
851 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
855 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
856 p_box->data.p_ctts->i_entry_count );
859 MP4_READBOX_EXIT( 1 );
863 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
866 unsigned int i_len = 0;
873 i_len = ( i_len << 7 ) + ( i_b&0x7f );
879 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
881 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
882 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
884 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
885 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
889 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
891 #define es_descriptor p_box->data.p_esds->es_descriptor
893 unsigned int i_flags;
895 unsigned int code = 0;
897 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
899 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
902 MP4_GET1BYTE( i_type );
903 if( i_type == 0x03 ) /* MP4ESDescrTag */
905 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
908 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
912 MP4_GET2BYTES( es_descriptor.i_ES_ID );
913 MP4_GET1BYTE( i_flags );
914 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
915 es_descriptor.b_url = ( (i_flags&0x40) != 0);
916 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
918 es_descriptor.i_stream_priority = i_flags&0x1f;
919 if( es_descriptor.b_stream_dependence )
921 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
923 if( es_descriptor.b_url )
927 MP4_GET1BYTE( i_len );
928 es_descriptor.psz_URL = malloc( i_len + 1 );
929 if( es_descriptor.psz_URL )
931 memcpy( es_descriptor.psz_URL, p_peek, i_len );
932 es_descriptor.psz_URL[i_len] = 0;
939 es_descriptor.psz_URL = NULL;
941 if( es_descriptor.b_OCRstream )
943 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
945 MP4_GET1BYTE( i_type ); /* get next type */
948 if( i_type != 0x04)/* MP4DecConfigDescrTag */
950 es_descriptor.p_decConfigDescr = NULL;
951 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
954 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
957 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
961 es_descriptor.p_decConfigDescr =
962 malloc( sizeof( MP4_descriptor_decoder_config_t ));
963 if( es_descriptor.p_decConfigDescr == NULL )
965 free( es_descriptor.psz_URL );
969 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
970 MP4_GET1BYTE( i_flags );
971 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
972 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
973 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
974 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
975 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
976 MP4_GET1BYTE( i_type );
977 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
979 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
980 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
981 MP4_READBOX_EXIT( 1 );
984 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
987 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
991 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
992 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
993 if( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL )
995 MP4_FreeBox_esds( p_box );
998 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
1003 MP4_READBOX_EXIT( code );
1005 #undef es_descriptor
1009 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
1011 MP4_Box_data_avcC_t *p_avcC;
1014 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
1015 p_avcC = p_box->data.p_avcC;
1017 p_avcC->i_avcC = i_read;
1018 if( p_avcC->i_avcC > 0 )
1020 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
1022 memcpy( p, p_peek, i_read );
1025 MP4_GET1BYTE( p_avcC->i_version );
1026 MP4_GET1BYTE( p_avcC->i_profile );
1027 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1028 MP4_GET1BYTE( p_avcC->i_level );
1029 MP4_GET1BYTE( p_avcC->i_reserved1 );
1030 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1031 p_avcC->i_reserved1 >>= 2;
1033 MP4_GET1BYTE( p_avcC->i_reserved2 );
1034 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1035 p_avcC->i_reserved2 >>= 5;
1037 if( p_avcC->i_sps > 0 )
1039 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
1040 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
1042 for( i = 0; i < p_avcC->i_sps; i++ )
1044 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1045 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1046 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1048 p_peek += p_avcC->i_sps_length[i];
1049 i_read -= p_avcC->i_sps_length[i];
1053 MP4_GET1BYTE( p_avcC->i_pps );
1054 if( p_avcC->i_pps > 0 )
1056 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1057 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1059 for( i = 0; i < p_avcC->i_pps; i++ )
1061 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1062 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1063 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1065 p_peek += p_avcC->i_pps_length[i];
1066 i_read -= p_avcC->i_pps_length[i];
1071 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1072 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1073 p_avcC->i_length_size,
1074 p_avcC->i_sps, p_avcC->i_pps );
1075 for( i = 0; i < p_avcC->i_sps; i++ )
1077 msg_Dbg( p_stream, " - sps[%d] length=%d",
1078 i, p_avcC->i_sps_length[i] );
1080 for( i = 0; i < p_avcC->i_pps; i++ )
1082 msg_Dbg( p_stream, " - pps[%d] length=%d",
1083 i, p_avcC->i_pps_length[i] );
1087 MP4_READBOX_EXIT( 1 );
1090 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1092 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1095 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1097 for( i = 0; i < p_avcC->i_sps; i++ )
1099 FREENULL( p_avcC->sps[i] );
1101 for( i = 0; i < p_avcC->i_pps; i++ )
1103 FREENULL( p_avcC->pps[i] );
1105 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1106 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1107 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1108 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1111 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1115 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1116 p_box->data.p_sample_soun->p_qt_description = NULL;
1118 /* Sanity check needed because the "wave" box does also contain an
1119 * "mp4a" box that we don't understand. */
1123 MP4_READBOX_EXIT( 1 );
1126 for( i = 0; i < 6 ; i++ )
1128 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1131 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1134 * XXX hack -> produce a copy of the nearly complete chunk
1136 p_box->data.p_sample_soun->i_qt_description = 0;
1137 p_box->data.p_sample_soun->p_qt_description = NULL;
1140 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1141 if( p_box->data.p_sample_soun->p_qt_description )
1143 p_box->data.p_sample_soun->i_qt_description = i_read;
1144 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1148 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1149 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1150 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1152 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1153 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1154 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1155 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1156 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1157 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1159 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1161 /* SoundDescriptionV1 */
1162 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1163 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1164 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1165 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1169 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1170 "bytes/frame=%d bytes/sample=%d",
1171 p_box->data.p_sample_soun->i_sample_per_packet,
1172 p_box->data.p_sample_soun->i_bytes_per_packet,
1173 p_box->data.p_sample_soun->i_bytes_per_frame,
1174 p_box->data.p_sample_soun->i_bytes_per_sample );
1176 stream_Seek( p_stream, p_box->i_pos +
1177 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1179 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1181 /* SoundDescriptionV2 */
1182 double f_sample_rate;
1186 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1187 MP4_GET8BYTES( dummy );
1188 memcpy( &f_sample_rate, &dummy, 8 );
1190 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1191 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1192 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1194 MP4_GET4BYTES( i_channel );
1195 p_box->data.p_sample_soun->i_channelcount = i_channel;
1198 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1200 stream_Seek( p_stream, p_box->i_pos +
1201 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1205 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1206 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1207 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1208 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1210 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest=%"PRId64")",
1212 stream_Seek( p_stream, p_box->i_pos +
1213 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1216 if( p_box->i_type == FOURCC_drms )
1218 p_box->data.p_sample_soun->p_drms =
1219 drms_alloc( config_GetHomeDir() );
1221 if( p_box->data.p_sample_soun->p_drms == NULL )
1223 msg_Err( p_stream, "drms_alloc() failed" );
1227 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1229 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1230 p_box->data.p_sample_soun->i_channelcount = 1;
1233 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds/wave/... */
1236 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1237 "sample size %d sample rate %f",
1238 p_box->data.p_sample_soun->i_channelcount,
1239 p_box->data.p_sample_soun->i_samplesize,
1240 (float)p_box->data.p_sample_soun->i_sampleratehi +
1241 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1244 MP4_READBOX_EXIT( 1 );
1248 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1250 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1252 if( p_box->i_type == FOURCC_drms )
1254 if( p_box->data.p_sample_soun->p_drms )
1256 drms_free( p_box->data.p_sample_soun->p_drms );
1262 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1266 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1268 for( i = 0; i < 6 ; i++ )
1270 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1273 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1276 * XXX hack -> produce a copy of the nearly complete chunk
1280 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1281 if( p_box->data.p_sample_vide->p_qt_image_description == NULL )
1282 MP4_READBOX_EXIT( 0 );
1283 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1284 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1289 p_box->data.p_sample_vide->i_qt_image_description = 0;
1290 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1293 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1294 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1295 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1297 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1298 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1300 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1301 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1303 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1304 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1306 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1307 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1309 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1310 p_peek += 32; i_read -= 32;
1312 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1313 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1315 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1316 MP4_ReadBoxContainerRaw( p_stream, p_box );
1319 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1320 p_box->data.p_sample_vide->i_width,
1321 p_box->data.p_sample_vide->i_height,
1322 p_box->data.p_sample_vide->i_depth );
1325 MP4_READBOX_EXIT( 1 );
1329 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1331 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1334 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1336 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1337 MP4_ReadBoxContainerRaw( p_stream, p_box );
1341 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1345 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1347 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1348 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1350 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1352 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1357 /* FIXME search right signification */
1359 p_box->data.p_sample_text->i_justification_horizontal = 1;
1360 p_box->data.p_sample_text->i_justification_vertical = 1;
1362 case -1: // Flush Right
1363 p_box->data.p_sample_text->i_justification_horizontal = -1;
1364 p_box->data.p_sample_text->i_justification_vertical = -1;
1366 case -2: // Flush Left
1367 p_box->data.p_sample_text->i_justification_horizontal = 0;
1368 p_box->data.p_sample_text->i_justification_vertical = 0;
1370 case 0: // Flush Default
1372 p_box->data.p_sample_text->i_justification_horizontal = 1;
1373 p_box->data.p_sample_text->i_justification_vertical = -1;
1377 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1378 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1379 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1380 p_box->data.p_sample_text->i_background_color[3] = 0;
1382 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1383 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1384 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1385 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1388 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1390 MP4_READBOX_EXIT( 1 );
1393 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1395 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1397 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1398 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1400 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1402 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1404 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1405 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1407 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1408 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1409 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1410 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1412 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1413 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1414 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1415 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1418 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1420 MP4_READBOX_EXIT( 1 );
1425 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1426 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1428 FREENULL( p_box->data.p_sample_text->psz_text_name );
1433 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1436 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1438 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1440 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1442 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1444 MP4_ReadBoxContainerRaw( p_stream, p_box );
1447 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1448 p_box->data.p_stsd->i_entry_count );
1451 MP4_READBOX_EXIT( 1 );
1455 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1459 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1461 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1463 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1465 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1467 p_box->data.p_stsz->i_entry_size =
1468 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1469 if( p_box->data.p_stsz->i_entry_size == NULL )
1470 MP4_READBOX_EXIT( 0 );
1472 if( !p_box->data.p_stsz->i_sample_size )
1474 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1476 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1481 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1482 p_box->data.p_stsz->i_sample_size,
1483 p_box->data.p_stsz->i_sample_count );
1486 MP4_READBOX_EXIT( 1 );
1489 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1491 FREENULL( p_box->data.p_stsz->i_entry_size );
1494 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1496 FREENULL( p_box->data.p_stsc->i_first_chunk );
1497 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1498 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1501 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1505 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1507 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1509 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1511 p_box->data.p_stsc->i_first_chunk =
1512 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1513 p_box->data.p_stsc->i_samples_per_chunk =
1514 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1515 p_box->data.p_stsc->i_sample_description_index =
1516 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1517 if( p_box->data.p_stsc->i_first_chunk == NULL
1518 || p_box->data.p_stsc->i_samples_per_chunk == NULL
1519 || p_box->data.p_stsc->i_sample_description_index == NULL )
1521 MP4_FreeBox_stsc( p_box );
1522 MP4_READBOX_EXIT( 0 );
1525 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1527 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1528 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1529 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1533 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1534 p_box->data.p_stsc->i_entry_count );
1537 MP4_READBOX_EXIT( 1 );
1540 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1544 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1546 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1548 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1550 p_box->data.p_co64->i_chunk_offset =
1551 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
1552 if( p_box->data.p_co64->i_chunk_offset == NULL )
1553 MP4_READBOX_EXIT( 0 );
1555 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1557 if( p_box->i_type == FOURCC_stco )
1563 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1571 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1576 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1577 p_box->data.p_co64->i_entry_count );
1580 MP4_READBOX_EXIT( 1 );
1583 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1585 FREENULL( p_box->data.p_co64->i_chunk_offset );
1588 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1592 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1594 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1596 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1598 p_box->data.p_stss->i_sample_number =
1599 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
1600 if( p_box->data.p_stss->i_sample_number == NULL )
1601 MP4_READBOX_EXIT( 0 );
1603 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1606 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1607 /* XXX in libmp4 sample begin at 0 */
1608 p_box->data.p_stss->i_sample_number[i]--;
1612 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1613 p_box->data.p_stss->i_entry_count );
1616 MP4_READBOX_EXIT( 1 );
1619 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1621 FREENULL( p_box->data.p_stss->i_sample_number );
1624 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1626 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1627 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1630 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1634 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1636 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1639 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1641 p_box->data.p_stsh->i_shadowed_sample_number =
1642 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1643 p_box->data.p_stsh->i_sync_sample_number =
1644 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1646 if( p_box->data.p_stsh->i_shadowed_sample_number == NULL
1647 || p_box->data.p_stsh->i_sync_sample_number == NULL )
1649 MP4_FreeBox_stsh( p_box );
1650 MP4_READBOX_EXIT( 0 );
1653 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1656 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1657 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1661 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1662 p_box->data.p_stsh->i_entry_count );
1664 MP4_READBOX_EXIT( 1 );
1668 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1672 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1674 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1676 p_box->data.p_stdp->i_priority =
1677 calloc( i_read / 2, sizeof(uint16_t) );
1679 for( i = 0; i < i_read / 2 ; i++ )
1682 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1686 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
1690 MP4_READBOX_EXIT( 1 );
1693 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1695 FREENULL( p_box->data.p_stdp->i_priority );
1698 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1700 FREENULL( p_box->data.p_padb->i_reserved1 );
1701 FREENULL( p_box->data.p_padb->i_pad2 );
1702 FREENULL( p_box->data.p_padb->i_reserved2 );
1703 FREENULL( p_box->data.p_padb->i_pad1 );
1706 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1711 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1713 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1715 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1716 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
1718 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
1719 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
1720 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
1721 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
1722 if( p_box->data.p_padb->i_reserved1 == NULL
1723 || p_box->data.p_padb->i_pad2 == NULL
1724 || p_box->data.p_padb->i_reserved2 == NULL
1725 || p_box->data.p_padb->i_pad1 == NULL )
1727 MP4_FreeBox_padb( p_box );
1728 MP4_READBOX_EXIT( 0 );
1731 for( i = 0; i < i_read / 2 ; i++ )
1735 MP4_FreeBox_padb( p_box );
1736 MP4_READBOX_EXIT( 0 );
1738 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1739 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1740 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1741 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1743 p_peek += 1; i_read -= 1;
1747 msg_Dbg( p_stream, "read box: \"stdp\" entry-count %"PRId64,
1751 MP4_READBOX_EXIT( 1 );
1754 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1756 FREENULL( p_box->data.p_elst->i_segment_duration );
1757 FREENULL( p_box->data.p_elst->i_media_time );
1758 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1759 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1762 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1766 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1768 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1771 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1773 p_box->data.p_elst->i_segment_duration =
1774 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1775 p_box->data.p_elst->i_media_time =
1776 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1777 p_box->data.p_elst->i_media_rate_integer =
1778 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1779 p_box->data.p_elst->i_media_rate_fraction =
1780 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1781 if( p_box->data.p_elst->i_segment_duration == NULL
1782 || p_box->data.p_elst->i_media_time == NULL
1783 || p_box->data.p_elst->i_media_rate_integer == NULL
1784 || p_box->data.p_elst->i_media_rate_fraction == NULL )
1786 MP4_FreeBox_elst( p_box );
1787 MP4_READBOX_EXIT( 0 );
1791 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1793 if( p_box->data.p_elst->i_version == 1 )
1796 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1798 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1803 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1805 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1806 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1809 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1810 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1814 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1815 (unsigned long)p_box->data.p_elst->i_entry_count );
1817 MP4_READBOX_EXIT( 1 );
1820 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1822 unsigned int i_language;
1825 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1827 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1829 i_language = GetWBE( p_peek );
1830 for( i = 0; i < 3; i++ )
1832 p_box->data.p_cprt->i_language[i] =
1833 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1835 p_peek += 2; i_read -= 2;
1836 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1839 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1840 p_box->data.p_cprt->i_language[0],
1841 p_box->data.p_cprt->i_language[1],
1842 p_box->data.p_cprt->i_language[2],
1843 p_box->data.p_cprt->psz_notice );
1846 MP4_READBOX_EXIT( 1 );
1849 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1851 FREENULL( p_box->data.p_cprt->psz_notice );
1855 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1857 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1859 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1862 "read box: \"dcom\" compression algorithm : %4.4s",
1863 (char*)&p_box->data.p_dcom->i_algorithm );
1865 MP4_READBOX_EXIT( 1 );
1868 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1870 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1872 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1874 p_box->data.p_cmvd->i_compressed_size = i_read;
1876 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1878 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1882 /* now copy compressed data */
1883 memcpy( p_box->data.p_cmvd->p_data,
1887 p_box->data.p_cmvd->b_compressed = 1;
1890 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1891 p_box->data.p_cmvd->i_compressed_size );
1894 MP4_READBOX_EXIT( 1 );
1896 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1898 FREENULL( p_box->data.p_cmvd->p_data );
1902 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1908 stream_t *p_stream_memory;
1914 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1916 msg_Err( p_stream, "out of memory" );
1919 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1921 if( !p_box->p_father ||
1922 ( p_box->p_father->i_type != FOURCC_moov &&
1923 p_box->p_father->i_type != FOURCC_foov ) )
1925 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1929 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1934 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1935 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1936 p_cmvd->data.p_cmvd->p_data == NULL )
1938 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1942 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1944 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1945 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1950 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1954 /* decompress data */
1955 /* allocate a new buffer */
1956 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1958 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1959 "uncompress data" );
1962 /* init default structures */
1963 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1964 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1965 z_data.next_out = p_data;
1966 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1967 z_data.zalloc = (alloc_func)Z_NULL;
1968 z_data.zfree = (free_func)Z_NULL;
1969 z_data.opaque = (voidpf)Z_NULL;
1972 if( inflateInit( &z_data ) != Z_OK )
1974 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1980 i_result = inflate( &z_data, Z_NO_FLUSH );
1981 if( i_result != Z_OK && i_result != Z_STREAM_END )
1983 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1988 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1990 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1993 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1996 if( inflateEnd( &z_data ) != Z_OK )
1998 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
2002 free( p_cmvd->data.p_cmvd->p_data );
2003 p_cmvd->data.p_cmvd->p_data = p_data;
2004 p_cmvd->data.p_cmvd->b_compressed = 0;
2006 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
2008 /* now create a memory stream */
2010 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
2011 p_cmvd->data.p_cmvd->i_uncompressed_size, true );
2013 /* and read uncompressd moov */
2014 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
2016 stream_Delete( p_stream_memory );
2019 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
2022 return p_box->data.p_cmov->p_moov ? 1 : 0;
2023 #endif /* HAVE_ZLIB_H */
2026 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
2029 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
2031 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
2032 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
2033 MP4_GET4BYTES( i_len );
2039 p_box->data.p_rdrf->psz_ref = malloc( i_len );
2040 if( p_box->data.p_rdrf->psz_ref == NULL )
2041 MP4_READBOX_EXIT( 0 );
2044 for( i = 0; i < i_len; i++ )
2046 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
2048 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2052 p_box->data.p_rdrf->psz_ref = NULL;
2057 "read box: \"rdrf\" type:%4.4s ref %s",
2058 (char*)&p_box->data.p_rdrf->i_ref_type,
2059 p_box->data.p_rdrf->psz_ref );
2061 MP4_READBOX_EXIT( 1 );
2064 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2066 FREENULL( p_box->data.p_rdrf->psz_ref );
2070 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2072 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2074 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2076 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2080 "read box: \"rmdr\" rate:%d",
2081 p_box->data.p_rmdr->i_rate );
2083 MP4_READBOX_EXIT( 1 );
2086 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2088 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2090 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2094 "read box: \"rmqu\" quality:%d",
2095 p_box->data.p_rmqu->i_quality );
2097 MP4_READBOX_EXIT( 1 );
2100 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2102 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2103 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2105 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2106 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2107 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2108 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2112 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2113 (char*)&p_box->data.p_rmvc->i_gestaltType,
2114 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2115 p_box->data.p_rmvc->i_checkType );
2118 MP4_READBOX_EXIT( 1 );
2121 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2123 MP4_Box_t *p_drms_box = p_box;
2125 MP4_READBOX_ENTER( uint8_t );
2129 p_drms_box = p_drms_box->p_father;
2130 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2132 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2134 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2135 p_box->i_type, p_peek, i_read );
2138 const char *psz_error;
2142 case -1: psz_error = "unimplemented"; break;
2143 case -2: psz_error = "invalid argument"; break;
2144 case -3: psz_error = "could not get system key"; break;
2145 case -4: psz_error = "could not get SCI data"; break;
2146 case -5: psz_error = "no user key found in SCI data"; break;
2147 case -6: psz_error = "invalid user key"; break;
2148 default: psz_error = "unknown error"; break;
2150 if MP4_BOX_TYPE_ASCII()
2151 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2152 (char *)&p_box->i_type, psz_error );
2154 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2155 (char *)&p_box->i_type+1, psz_error );
2157 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2158 p_drms_box->data.p_sample_soun->p_drms = NULL;
2162 MP4_READBOX_EXIT( 1 );
2165 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2170 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2172 p_box->data.p_0xa9xxx->psz_text = NULL;
2174 MP4_GET2BYTES( i16 );
2179 MP4_GET2BYTES( i16 );
2180 if( i_length >= i_read ) i_length = i_read + 1;
2182 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2183 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2184 MP4_READBOX_EXIT( 0 );
2187 memcpy( p_box->data.p_0xa9xxx->psz_text,
2189 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2193 "read box: \"c%3.3s\" text=`%s'",
2194 ((char*)&p_box->i_type + 1),
2195 p_box->data.p_0xa9xxx->psz_text );
2200 /* try iTune/Quicktime format, rewind to start */
2201 p_peek -= 2; i_read += 2;
2202 // we are expecting a 'data' box
2203 uint32_t i_data_len;
2204 uint32_t i_data_tag;
2206 MP4_GET4BYTES( i_data_len );
2207 if( i_data_len > i_read ) i_data_len = i_read;
2208 MP4_GETFOURCC( i_data_tag );
2209 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2211 /* data box contains a version/flags field */
2213 uint32_t i_reserved;
2214 MP4_GET4BYTES( i_version );
2215 MP4_GET4BYTES( i_reserved );
2216 // version should be 0, flags should be 1 for text, 0 for data
2217 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2219 // the rest is the text
2221 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2222 if( p_box->data.p_0xa9xxx->psz_text == NULL )
2223 MP4_READBOX_EXIT( 0 );
2225 memcpy( p_box->data.p_0xa9xxx->psz_text,
2226 p_peek, i_data_len );
2227 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2230 "read box: \"c%3.3s\" text=`%s'",
2231 ((char*)&p_box->i_type+1),
2232 p_box->data.p_0xa9xxx->psz_text );
2237 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2242 MP4_READBOX_EXIT( 1 );
2244 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2246 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2249 /* Chapter support */
2250 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2252 MP4_Box_data_chpl_t *p_chpl;
2255 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2257 p_chpl = p_box->data.p_chpl;
2259 MP4_GETVERSIONFLAGS( p_chpl );
2261 MP4_GET4BYTES( i_dummy );
2263 MP4_GET1BYTE( p_chpl->i_chapter );
2265 for( i = 0; i < p_chpl->i_chapter; i++ )
2270 MP4_GET8BYTES( i_start );
2271 MP4_GET1BYTE( i_len );
2273 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2274 i_copy = __MIN( i_len, i_read );
2276 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2277 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2278 p_chpl->chapter[i].i_start = i_start;
2283 /* Bubble sort by increasing start date */
2286 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2288 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2290 char *psz = p_chpl->chapter[i+1].psz_name;
2291 int64_t i64 = p_chpl->chapter[i+1].i_start;
2293 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2294 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2296 p_chpl->chapter[i].psz_name = psz;
2297 p_chpl->chapter[i].i_start = i64;
2306 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2307 p_chpl->i_chapter );
2309 MP4_READBOX_EXIT( 1 );
2311 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2313 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2315 for( i = 0; i < p_chpl->i_chapter; i++ )
2316 free( p_chpl->chapter[i].psz_name );
2319 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2322 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2324 p_box->data.p_tref_generic->i_track_ID = NULL;
2325 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2326 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2327 p_box->data.p_tref_generic->i_track_ID = calloc( p_box->data.p_tref_generic->i_entry_count, sizeof(uint32_t) );
2328 if( p_box->data.p_tref_generic->i_track_ID == NULL )
2329 MP4_READBOX_EXIT( 0 );
2331 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2333 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2336 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2337 p_box->data.p_tref_generic->i_entry_count );
2340 MP4_READBOX_EXIT( 1 );
2342 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2344 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2347 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2349 uint8_t meta_data[8];
2350 int i_actually_read;
2352 // skip over box header
2353 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2354 if( i_actually_read < 8 )
2357 /* meta content starts with a 4 byte version/flags value (should be 0) */
2358 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2359 if( i_actually_read < 4 )
2362 /* then it behaves like a container */
2363 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2367 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2369 if( !p_box->p_father )
2373 if( p_box->p_father->i_type == FOURCC_stsd )
2375 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2378 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2379 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2383 switch( p_hdlr->data.p_hdlr->i_handler_type )
2386 return MP4_ReadBox_sample_soun( p_stream, p_box );
2388 return MP4_ReadBox_sample_vide( p_stream, p_box );
2390 return MP4_ReadBox_sample_text( p_stream, p_box );
2392 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2395 "unknown handler type in stsd (incompletely loaded)" );
2401 if MP4_BOX_TYPE_ASCII()
2403 "unknown box type %4.4s (incompletely loaded)",
2404 (char*)&p_box->i_type );
2407 "unknown box type c%3.3s (incompletely loaded)",
2408 (char*)&p_box->i_type+1 );
2413 /**** ------------------------------------------------------------------- ****/
2414 /**** "Higher level" Functions ****/
2415 /**** ------------------------------------------------------------------- ****/
2420 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2421 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2422 } MP4_Box_Function [] =
2425 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2426 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2427 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2428 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2429 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2430 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2431 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2432 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2433 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2434 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2435 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2436 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2437 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2438 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2439 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2440 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2441 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2444 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2445 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2446 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2447 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2448 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2449 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2450 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2451 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2452 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2453 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2454 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2455 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2456 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2457 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2458 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2459 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2460 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2461 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2462 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2463 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2464 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2465 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2466 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2467 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2468 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2469 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2470 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2471 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2472 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2474 /* Nothing to do with this box */
2475 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2476 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2477 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2478 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2481 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2482 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2483 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2484 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2485 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2486 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2487 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2488 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2489 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2490 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2491 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2492 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2493 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2494 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2495 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2496 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2497 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2498 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2499 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2500 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2501 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2502 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2503 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2505 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2506 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2507 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2508 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2509 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2510 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2511 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2512 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2513 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2514 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2515 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2516 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2517 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2518 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2519 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2520 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2521 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2522 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2523 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2524 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2525 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2526 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2527 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2529 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2530 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2532 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2533 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2534 { FOURCC_dv5n, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2535 { FOURCC_dv5p, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2536 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2537 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2538 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2540 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2541 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2543 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2544 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2546 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2548 /* XXX there is 2 box where we could find this entry stbl and tref*/
2549 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2551 /* found in tref box */
2552 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2553 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2554 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2555 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2558 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2561 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2562 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2563 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2564 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2566 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2567 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2568 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2569 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2570 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2571 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2572 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2573 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2576 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2577 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2578 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2579 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2580 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2581 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2582 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2583 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2584 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2585 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2586 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2587 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2588 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2589 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2590 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2591 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2592 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2593 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2594 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2595 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2596 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2597 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2598 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2599 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2600 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2602 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2604 /* iTunes/Quicktime meta info */
2605 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2608 { 0, MP4_ReadBox_default, NULL }
2613 /*****************************************************************************
2614 * MP4_ReadBox : parse the actual box and the children
2615 * XXX : Do not go to the next box
2616 *****************************************************************************/
2617 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2619 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2620 unsigned int i_index;
2625 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2627 msg_Warn( p_stream, "cannot read one box" );
2631 if( !p_box->i_size )
2633 msg_Dbg( p_stream, "found an empty box (null size)" );
2637 p_box->p_father = p_father;
2639 /* Now search function to call */
2640 for( i_index = 0; ; i_index++ )
2642 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2643 ( MP4_Box_Function[i_index].i_type == 0 ) )
2649 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2651 MP4_BoxFree( p_stream, p_box );
2658 /*****************************************************************************
2659 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2661 *****************************************************************************/
2662 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2664 unsigned int i_index;
2672 for( p_child = p_box->p_first; p_child != NULL; )
2676 p_next = p_child->p_next;
2677 MP4_BoxFree( s, p_child );
2681 /* Now search function to call */
2682 if( p_box->data.p_data )
2684 for( i_index = 0; ; i_index++ )
2686 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2687 ( MP4_Box_Function[i_index].i_type == 0 ) )
2692 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2694 /* Should not happen */
2695 if MP4_BOX_TYPE_ASCII()
2697 "cannot free box %4.4s, type unknown",
2698 (char*)&p_box->i_type );
2701 "cannot free box c%3.3s, type unknown",
2702 (char*)&p_box->i_type+1 );
2706 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2709 free( p_box->data.p_data );
2715 /*****************************************************************************
2716 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2717 *****************************************************************************
2718 * The first box is a virtual box "root" and is the father for all first
2719 * level boxes for the file, a sort of virtual contener
2720 *****************************************************************************/
2721 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2727 p_root = malloc( sizeof( MP4_Box_t ) );
2728 if( p_root == NULL )
2732 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2733 p_root->i_shortsize = 1;
2734 p_root->i_size = stream_Size( s );
2735 CreateUUID( &p_root->i_uuid, p_root->i_type );
2737 p_root->data.p_data = NULL;
2738 p_root->p_father = NULL;
2739 p_root->p_first = NULL;
2740 p_root->p_last = NULL;
2741 p_root->p_next = NULL;
2745 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2753 /* check if there is a cmov, if so replace
2754 compressed moov by uncompressed one */
2755 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2756 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2757 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2758 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2760 /* rename the compressed moov as a box to skip */
2761 p_moov->i_type = FOURCC_skip;
2763 /* get uncompressed p_moov */
2764 p_moov = p_cmov->data.p_cmov->p_moov;
2765 p_cmov->data.p_cmov->p_moov = NULL;
2767 /* make p_root father of this new moov */
2768 p_moov->p_father = p_root;
2770 /* insert this new moov box as first child of p_root */
2771 p_moov->p_next = p_child = p_root->p_first;
2772 p_root->p_first = p_moov;
2780 static void __MP4_BoxDumpStructure( stream_t *s,
2781 MP4_Box_t *p_box, unsigned int i_level )
2787 if MP4_BOX_TYPE_ASCII()
2788 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2789 (char*)&p_box->i_type );
2791 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2792 (char*)&p_box->i_type+1 );
2798 memset( str, (uint8_t)' ', 512 );
2799 for( i = 0; i < i_level; i++ )
2803 if MP4_BOX_TYPE_ASCII()
2804 sprintf( str + i_level * 5, "+ %4.4s size %d",
2805 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2807 sprintf( str + i_level * 5, "+ c%3.3s size %d",
2808 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2809 msg_Dbg( s, "%s", str );
2811 p_child = p_box->p_first;
2814 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2815 p_child = p_child->p_next;
2819 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2821 __MP4_BoxDumpStructure( s, p_box, 0 );
2826 /*****************************************************************************
2827 *****************************************************************************
2829 ** High level methods to acces an MP4 file
2831 *****************************************************************************
2832 *****************************************************************************/
2833 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2836 if( !*ppsz_path[0] )
2843 while( (*ppsz_path)[i_len] &&
2844 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2848 if( !i_len && **ppsz_path == '/' )
2852 *ppsz_token = malloc( i_len + 1 );
2854 memcpy( *ppsz_token, *ppsz_path, i_len );
2856 (*ppsz_token)[i_len] = '\0';
2858 *ppsz_path += i_len;
2860 if( **ppsz_path == '[' )
2863 *pi_number = strtol( *ppsz_path, NULL, 10 );
2864 while( **ppsz_path && **ppsz_path != ']' )
2868 if( **ppsz_path == ']' )
2877 while( **ppsz_path == '/' )
2883 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2884 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2895 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
2898 if( !psz_path || !psz_path[0] )
2900 FREENULL( psz_path );
2905 // fprintf( stderr, "path:'%s'\n", psz_path );
2906 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2912 __get_token( &psz_path, &psz_token, &i_number );
2913 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2914 // psz_path,psz_token,i_number );
2917 FREENULL( psz_token );
2923 if( !strcmp( psz_token, "/" ) )
2926 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2928 p_box = p_box->p_father;
2939 if( !strcmp( psz_token, "." ) )
2944 if( !strcmp( psz_token, ".." ) )
2946 p_box = p_box->p_father;
2956 if( strlen( psz_token ) == 4 )
2959 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2960 psz_token[2], psz_token[3] );
2961 p_box = p_box->p_first;
2971 if( p_box->i_type == i_fourcc )
2979 p_box = p_box->p_next;
2983 if( strlen( psz_token ) == 0 )
2985 p_box = p_box->p_first;
3000 p_box = p_box->p_next;
3005 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
3006 FREENULL( psz_token );
3016 /*****************************************************************************
3017 * MP4_BoxGet: find a box given a path relative to p_box
3018 *****************************************************************************
3019 * Path Format: . .. / as usual
3020 * [number] to specifie box number ex: trak[12]
3022 * ex: /moov/trak[12]
3024 *****************************************************************************/
3025 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
3028 MP4_Box_t *p_result;
3030 va_start( args, psz_fmt );
3031 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
3037 /*****************************************************************************
3038 * MP4_BoxCount: count box given a path relative to p_box
3039 *****************************************************************************
3040 * Path Format: . .. / as usual
3041 * [number] to specifie box number ex: trak[12]
3043 * ex: /moov/trak[12]
3045 *****************************************************************************/
3046 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
3050 MP4_Box_t *p_result, *p_next;
3052 va_start( args, psz_fmt );
3053 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
3061 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3063 if( p_next->i_type == p_result->i_type)