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 *****************************************************************************/
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 ) \
110 msg_Warn( p_stream, "Not enough data" ); \
116 * The input method HAVE to be seekable
120 /* This macro is used when we want to printf the box type
121 * APPLE annotation box is :
122 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
123 * either 32-bit ASCII text string
125 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
127 static uint32_t Get24bBE( const uint8_t *p )
129 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
132 static void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
134 memcpy( p_uuid, p_buff, 16 );
137 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
139 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
140 where XXXXXXXX is the fourcc */
141 /* FIXME implement this */
146 /* some functions for mp4 encoding of variables */
148 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
155 /* date begin at 1 jan 1904 */
156 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
158 i_day = i_date / ( 60*60*24);
159 i_hour = ( i_date /( 60*60 ) ) % 60;
160 i_min = ( i_date / 60 ) % 60;
162 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
165 /*****************************************************************************
167 *****************************************************************************/
168 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
171 /*****************************************************************************
172 * MP4_ReadBoxCommon : Load only common parameters for all boxes
173 *****************************************************************************
174 * p_box need to be an already allocated MP4_Box_t, and all data
175 * will only be peek not read
177 * RETURN : 0 if it fail, 1 otherwise
178 *****************************************************************************/
179 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
182 const uint8_t *p_peek;
184 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
188 p_box->i_pos = stream_Tell( p_stream );
190 p_box->data.p_data = NULL;
191 p_box->p_father = NULL;
192 p_box->p_first = NULL;
193 p_box->p_last = NULL;
194 p_box->p_next = NULL;
196 MP4_GET4BYTES( p_box->i_shortsize );
197 MP4_GETFOURCC( p_box->i_type );
199 /* Now special case */
201 if( p_box->i_shortsize == 1 )
203 /* get the true size on 64 bits */
204 MP4_GET8BYTES( p_box->i_size );
208 p_box->i_size = p_box->i_shortsize;
209 /* XXX size of 0 means that the box extends to end of file */
212 if( p_box->i_type == FOURCC_uuid )
214 /* get extented type on 16 bytes */
215 GetUUID( &p_box->i_uuid, p_peek );
216 p_peek += 16; i_read -= 16;
220 CreateUUID( &p_box->i_uuid, p_box->i_type );
225 if MP4_BOX_TYPE_ASCII()
226 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
227 (char*)&p_box->i_type, p_box->i_size );
229 msg_Dbg( p_stream, "found Box: c%3.3s size "I64Fd,
230 (char*)&p_box->i_type+1, p_box->i_size );
237 /*****************************************************************************
238 * MP4_NextBox : Go to the next box
239 *****************************************************************************
240 * if p_box == NULL, go to the next box in which we are( at the begining ).
241 *****************************************************************************/
242 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
248 MP4_ReadBoxCommon( p_stream, &box );
254 return 2; /* Box with infinite size */
257 if( p_box->p_father )
259 const int i_box_end = p_box->i_size + p_box->i_pos;
260 const int i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
262 /* check if it's within p-father */
263 if( i_box_end >= i_father_end )
265 if( i_box_end > i_father_end )
266 msg_Dbg( p_stream, "out of bound child" );
267 return 0; /* out of bound */
270 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
278 /*****************************************************************************
279 * For all known box a loader is given,
280 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
281 * after called one of theses functions, file position is unknown
282 * you need to call MP4_GotoBox to go where you want
283 *****************************************************************************/
284 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
288 if( stream_Tell( p_stream ) + 8 >
289 (off_t)(p_container->i_pos + p_container->i_size) )
291 /* there is no box to load */
297 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
299 /* chain this box with the father and the other at same level */
300 if( !p_container->p_first ) p_container->p_first = p_box;
301 else p_container->p_last->p_next = p_box;
302 p_container->p_last = p_box;
304 } while( MP4_NextBox( p_stream, p_box ) == 1 );
309 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
311 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
313 /* container is empty, 8 stand for the first header in this box */
318 stream_Seek( p_stream, p_container->i_pos +
319 MP4_BOX_HEADERSIZE( p_container ) );
321 return MP4_ReadBoxContainerRaw( p_stream, p_container );
324 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
326 /* Up to now do nothing */
330 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
332 /* XXX sometime moov is hiden in a free box */
333 if( p_box->p_father &&
334 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
335 p_box->i_type == FOURCC_free )
337 const uint8_t *p_peek;
341 i_read = stream_Peek( p_stream, &p_peek, 44 );
343 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
344 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
348 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
350 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
352 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
354 p_box->i_type = FOURCC_foov;
355 return MP4_ReadBoxContainer( p_stream, p_box );
362 if MP4_BOX_TYPE_ASCII()
363 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
365 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
370 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
372 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
374 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
375 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
377 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
380 uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
381 calloc( p_box->data.p_ftyp->i_compatible_brands_count,
385 p_box->data.p_ftyp->i_compatible_brands_count = 0;
387 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
389 MP4_GETFOURCC( tab[i] );
394 p_box->data.p_ftyp->i_compatible_brands = NULL;
397 MP4_READBOX_EXIT( 1 );
400 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
402 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
406 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
410 char s_creation_time[128];
411 char s_modification_time[128];
412 char s_duration[128];
414 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
416 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
418 if( p_box->data.p_mvhd->i_version )
420 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
421 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
422 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
423 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
427 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
428 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
429 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
430 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
432 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
433 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
434 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
437 for( i = 0; i < 2; i++ )
439 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
441 for( i = 0; i < 9; i++ )
443 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
445 for( i = 0; i < 6; i++ )
447 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
450 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
454 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
455 MP4_ConvertDate2Str( s_modification_time,
456 p_box->data.p_mvhd->i_modification_time );
457 if( p_box->data.p_mvhd->i_rate )
459 MP4_ConvertDate2Str( s_duration,
460 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
466 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
469 (uint32_t)p_box->data.p_mvhd->i_timescale,
471 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
472 (float)p_box->data.p_mvhd->i_volume / 256 ,
473 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
475 MP4_READBOX_EXIT( 1 );
478 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
482 char s_creation_time[128];
483 char s_modification_time[128];
484 char s_duration[128];
486 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
488 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
490 if( p_box->data.p_tkhd->i_version )
492 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
493 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
495 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
496 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
500 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
501 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
502 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
503 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
504 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
507 for( i = 0; i < 2; i++ )
509 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
511 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
512 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
513 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
514 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
516 for( i = 0; i < 9; i++ )
518 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
520 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
521 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
524 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
525 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
526 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
528 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
532 p_box->data.p_tkhd->i_track_ID,
533 p_box->data.p_tkhd->i_layer,
534 (float)p_box->data.p_tkhd->i_volume / 256 ,
535 (float)p_box->data.p_tkhd->i_width / 65536,
536 (float)p_box->data.p_tkhd->i_height / 65536 );
538 MP4_READBOX_EXIT( 1 );
542 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
547 char s_creation_time[128];
548 char s_modification_time[128];
549 char s_duration[128];
551 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
553 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
555 if( p_box->data.p_mdhd->i_version )
557 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
558 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
559 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
560 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
564 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
565 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
566 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
567 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
569 i_language = GetWBE( p_peek );
570 for( i = 0; i < 3; i++ )
572 p_box->data.p_mdhd->i_language[i] =
573 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
576 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
579 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
580 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
581 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
582 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
585 (uint32_t)p_box->data.p_mdhd->i_timescale,
587 p_box->data.p_mdhd->i_language[0],
588 p_box->data.p_mdhd->i_language[1],
589 p_box->data.p_mdhd->i_language[2] );
591 MP4_READBOX_EXIT( 1 );
595 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 );
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 );
646 MP4_READBOX_EXIT( code );
649 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
651 FREENULL( p_box->data.p_hdlr->psz_name );
654 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
658 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
660 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
662 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
663 for( i = 0; i < 3; i++ )
665 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
669 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
670 p_box->data.p_vmhd->i_graphics_mode,
671 p_box->data.p_vmhd->i_opcolor[0],
672 p_box->data.p_vmhd->i_opcolor[1],
673 p_box->data.p_vmhd->i_opcolor[2] );
675 MP4_READBOX_EXIT( 1 );
678 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
680 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
682 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
686 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
688 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
691 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
692 (float)p_box->data.p_smhd->i_balance / 256 );
694 MP4_READBOX_EXIT( 1 );
698 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
700 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
702 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
704 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
705 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
707 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
708 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
710 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
713 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
714 p_box->data.p_hmhd->i_max_PDU_size,
715 p_box->data.p_hmhd->i_avg_PDU_size,
716 p_box->data.p_hmhd->i_max_bitrate,
717 p_box->data.p_hmhd->i_avg_bitrate );
719 MP4_READBOX_EXIT( 1 );
722 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
724 MP4_READBOX_ENTER( MP4_Box_data_url_t );
726 MP4_GETVERSIONFLAGS( p_box->data.p_url );
727 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
730 msg_Dbg( p_stream, "read box: \"url\" url: %s",
731 p_box->data.p_url->psz_location );
734 MP4_READBOX_EXIT( 1 );
738 static void MP4_FreeBox_url( MP4_Box_t *p_box )
740 FREENULL( p_box->data.p_url->psz_location );
743 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
745 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
747 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
749 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
750 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
753 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
754 p_box->data.p_urn->psz_name,
755 p_box->data.p_urn->psz_location );
757 MP4_READBOX_EXIT( 1 );
759 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
761 FREENULL( p_box->data.p_urn->psz_name );
762 FREENULL( p_box->data.p_urn->psz_location );
766 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
768 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
770 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
772 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
774 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
775 MP4_ReadBoxContainerRaw( p_stream, p_box );
778 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
779 p_box->data.p_dref->i_entry_count );
782 MP4_READBOX_EXIT( 1 );
786 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
789 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
791 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
792 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
794 p_box->data.p_stts->i_sample_count =
795 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
796 p_box->data.p_stts->i_sample_delta =
797 calloc( p_box->data.p_stts->i_entry_count, sizeof(uint32_t) );
799 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
801 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
802 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
806 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
807 p_box->data.p_stts->i_entry_count );
810 MP4_READBOX_EXIT( 1 );
813 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
815 FREENULL( p_box->data.p_stts->i_sample_count );
816 FREENULL( p_box->data.p_stts->i_sample_delta );
819 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
822 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
824 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
826 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
828 p_box->data.p_ctts->i_sample_count =
829 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
830 p_box->data.p_ctts->i_sample_offset =
831 calloc( p_box->data.p_ctts->i_entry_count, sizeof(uint32_t) );
833 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
835 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
836 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
840 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
841 p_box->data.p_ctts->i_entry_count );
844 MP4_READBOX_EXIT( 1 );
847 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
849 FREENULL( p_box->data.p_ctts->i_sample_count );
850 FREENULL( p_box->data.p_ctts->i_sample_offset );
853 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
856 unsigned int i_len = 0;
863 i_len = ( i_len << 7 ) + ( i_b&0x7f );
868 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
870 #define es_descriptor p_box->data.p_esds->es_descriptor
872 unsigned int i_flags;
875 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
877 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
880 MP4_GET1BYTE( i_type );
881 if( i_type == 0x03 ) /* MP4ESDescrTag */
883 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
886 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
890 MP4_GET2BYTES( es_descriptor.i_ES_ID );
891 MP4_GET1BYTE( i_flags );
892 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
893 es_descriptor.b_url = ( (i_flags&0x40) != 0);
894 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
896 es_descriptor.i_stream_priority = i_flags&0x1f;
897 if( es_descriptor.b_stream_dependence )
899 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
901 if( es_descriptor.b_url )
905 MP4_GET1BYTE( i_len );
906 es_descriptor.psz_URL = malloc( i_len + 1 );
907 if( es_descriptor.psz_URL )
909 memcpy( es_descriptor.psz_URL, p_peek, i_len );
910 es_descriptor.psz_URL[i_len] = 0;
917 es_descriptor.psz_URL = NULL;
919 if( es_descriptor.b_OCRstream )
921 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
923 MP4_GET1BYTE( i_type ); /* get next type */
926 if( i_type != 0x04)/* MP4DecConfigDescrTag */
928 es_descriptor.p_decConfigDescr = NULL;
929 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
932 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
935 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
939 es_descriptor.p_decConfigDescr =
940 malloc( sizeof( MP4_descriptor_decoder_config_t ));
942 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
943 MP4_GET1BYTE( i_flags );
944 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
945 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
946 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
947 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
948 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
949 MP4_GET1BYTE( i_type );
950 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
952 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
953 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
954 MP4_READBOX_EXIT( 1 );
957 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
960 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
964 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
965 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
966 if( es_descriptor.p_decConfigDescr->p_decoder_specific_info )
967 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
970 MP4_READBOX_EXIT( 1 );
975 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
977 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
978 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
980 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
982 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
985 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
987 MP4_Box_data_avcC_t *p_avcC;
990 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
991 p_avcC = p_box->data.p_avcC;
993 p_avcC->i_avcC = i_read;
994 if( p_avcC->i_avcC > 0 )
996 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
998 memcpy( p, p_peek, i_read );
1001 MP4_GET1BYTE( p_avcC->i_version );
1002 MP4_GET1BYTE( p_avcC->i_profile );
1003 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1004 MP4_GET1BYTE( p_avcC->i_level );
1005 MP4_GET1BYTE( p_avcC->i_reserved1 );
1006 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1007 p_avcC->i_reserved1 >>= 2;
1009 MP4_GET1BYTE( p_avcC->i_reserved2 );
1010 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1011 p_avcC->i_reserved2 >>= 5;
1013 if( p_avcC->i_sps > 0 )
1015 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
1016 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
1018 for( i = 0; i < p_avcC->i_sps; i++ )
1020 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1021 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1022 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1024 p_peek += p_avcC->i_sps_length[i];
1025 i_read -= p_avcC->i_sps_length[i];
1029 MP4_GET1BYTE( p_avcC->i_pps );
1030 if( p_avcC->i_pps > 0 )
1032 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1033 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1035 for( i = 0; i < p_avcC->i_pps; i++ )
1037 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1038 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1039 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1041 p_peek += p_avcC->i_pps_length[i];
1042 i_read -= p_avcC->i_pps_length[i];
1047 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1048 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1049 p_avcC->i_length_size,
1050 p_avcC->i_sps, p_avcC->i_pps );
1051 for( i = 0; i < p_avcC->i_sps; i++ )
1053 msg_Dbg( p_stream, " - sps[%d] length=%d",
1054 i, p_avcC->i_sps_length[i] );
1056 for( i = 0; i < p_avcC->i_pps; i++ )
1058 msg_Dbg( p_stream, " - pps[%d] length=%d",
1059 i, p_avcC->i_pps_length[i] );
1063 MP4_READBOX_EXIT( 1 );
1066 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1068 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1071 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1073 for( i = 0; i < p_avcC->i_sps; i++ )
1075 FREENULL( p_avcC->sps[i] );
1077 for( i = 0; i < p_avcC->i_pps; i++ )
1079 FREENULL( p_avcC->pps[i] );
1081 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1082 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1083 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1084 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1087 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1091 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1092 p_box->data.p_sample_soun->p_qt_description = NULL;
1094 /* Sanity check needed because the "wave" box does also contain an
1095 * "mp4a" box that we don't understand. */
1099 MP4_READBOX_EXIT( 1 );
1102 for( i = 0; i < 6 ; i++ )
1104 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1107 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1110 * XXX hack -> produce a copy of the nearly complete chunk
1114 p_box->data.p_sample_soun->i_qt_description = i_read;
1115 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1116 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1120 p_box->data.p_sample_soun->i_qt_description = 0;
1121 p_box->data.p_sample_soun->p_qt_description = NULL;
1124 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1125 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1126 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1128 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1129 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1130 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1131 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1132 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1133 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1135 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1137 /* SoundDescriptionV1 */
1138 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1139 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1140 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1141 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1145 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1146 "bytes/frame=%d bytes/sample=%d",
1147 p_box->data.p_sample_soun->i_sample_per_packet,
1148 p_box->data.p_sample_soun->i_bytes_per_packet,
1149 p_box->data.p_sample_soun->i_bytes_per_frame,
1150 p_box->data.p_sample_soun->i_bytes_per_sample );
1152 stream_Seek( p_stream, p_box->i_pos +
1153 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1155 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1157 /* SoundDescriptionV2 */
1158 double f_sample_rate;
1162 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1163 MP4_GET8BYTES( dummy );
1164 memcpy( &f_sample_rate, &dummy, 8 );
1166 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1167 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1168 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1170 MP4_GET4BYTES( i_channel );
1171 p_box->data.p_sample_soun->i_channelcount = i_channel;
1174 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1176 stream_Seek( p_stream, p_box->i_pos +
1177 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1181 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1182 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1183 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1184 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1186 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1188 stream_Seek( p_stream, p_box->i_pos +
1189 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1192 if( p_box->i_type == FOURCC_drms )
1194 p_box->data.p_sample_soun->p_drms =
1195 drms_alloc( p_stream->p_libvlc->psz_homedir );
1197 if( p_box->data.p_sample_soun->p_drms == NULL )
1199 msg_Err( p_stream, "drms_alloc() failed" );
1203 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1205 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1206 p_box->data.p_sample_soun->i_channelcount = 1;
1209 if( p_box->i_type == FOURCC_alac )
1211 if( p_box->data.p_sample_soun->p_qt_description )
1212 free( p_box->data.p_sample_soun->p_qt_description );
1214 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1215 p_box->data.p_sample_soun->i_qt_description = i_read;
1216 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1220 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1224 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1225 "sample size %d sample rate %f",
1226 p_box->data.p_sample_soun->i_channelcount,
1227 p_box->data.p_sample_soun->i_samplesize,
1228 (float)p_box->data.p_sample_soun->i_sampleratehi +
1229 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1232 MP4_READBOX_EXIT( 1 );
1236 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1238 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1240 if( p_box->i_type == FOURCC_drms )
1242 if( p_box->data.p_sample_soun->p_drms )
1244 drms_free( p_box->data.p_sample_soun->p_drms );
1250 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1254 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1256 for( i = 0; i < 6 ; i++ )
1258 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1261 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1264 * XXX hack -> produce a copy of the nearly complete chunk
1268 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1269 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1270 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1275 p_box->data.p_sample_vide->i_qt_image_description = 0;
1276 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1279 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1280 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1281 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1283 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1284 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1286 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1287 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1289 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1290 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1292 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1293 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1295 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1296 p_peek += 32; i_read -= 32;
1298 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1299 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1301 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1302 MP4_ReadBoxContainerRaw( p_stream, p_box );
1305 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1306 p_box->data.p_sample_vide->i_width,
1307 p_box->data.p_sample_vide->i_height,
1308 p_box->data.p_sample_vide->i_depth );
1311 MP4_READBOX_EXIT( 1 );
1315 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1317 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1320 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1322 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1323 MP4_ReadBoxContainerRaw( p_stream, p_box );
1327 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1331 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1333 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1334 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1336 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1338 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1343 /* FIXME search right signification */
1345 p_box->data.p_sample_text->i_justification_horizontal = 1;
1346 p_box->data.p_sample_text->i_justification_vertical = 1;
1348 case -1: // Flush Right
1349 p_box->data.p_sample_text->i_justification_horizontal = -1;
1350 p_box->data.p_sample_text->i_justification_vertical = -1;
1352 case -2: // Flush Left
1353 p_box->data.p_sample_text->i_justification_horizontal = 0;
1354 p_box->data.p_sample_text->i_justification_vertical = 0;
1356 case 0: // Flush Default
1358 p_box->data.p_sample_text->i_justification_horizontal = 1;
1359 p_box->data.p_sample_text->i_justification_vertical = -1;
1363 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1364 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1365 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1366 p_box->data.p_sample_text->i_background_color[3] = 0;
1368 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1369 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1370 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1371 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1374 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1376 MP4_READBOX_EXIT( 1 );
1379 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1381 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1383 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1384 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1386 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1388 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1390 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1391 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1393 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1394 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1395 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1396 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1398 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1399 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1400 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1401 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1404 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1406 MP4_READBOX_EXIT( 1 );
1411 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1412 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1414 FREENULL( p_box->data.p_sample_text->psz_text_name );
1419 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1422 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1424 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1426 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1428 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1430 MP4_ReadBoxContainerRaw( p_stream, p_box );
1433 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1434 p_box->data.p_stsd->i_entry_count );
1437 MP4_READBOX_EXIT( 1 );
1441 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1445 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1447 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1449 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1451 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1453 p_box->data.p_stsz->i_entry_size =
1454 calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
1456 if( !p_box->data.p_stsz->i_sample_size )
1458 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1460 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1465 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1466 p_box->data.p_stsz->i_sample_size,
1467 p_box->data.p_stsz->i_sample_count );
1470 MP4_READBOX_EXIT( 1 );
1473 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1475 FREENULL( p_box->data.p_stsz->i_entry_size );
1478 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1482 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1484 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1486 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1488 p_box->data.p_stsc->i_first_chunk =
1489 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1490 p_box->data.p_stsc->i_samples_per_chunk =
1491 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1492 p_box->data.p_stsc->i_sample_description_index =
1493 calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
1495 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1497 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1498 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1499 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1503 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1504 p_box->data.p_stsc->i_entry_count );
1507 MP4_READBOX_EXIT( 1 );
1510 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1512 FREENULL( p_box->data.p_stsc->i_first_chunk );
1513 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1514 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1517 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1521 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1523 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1525 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1527 p_box->data.p_co64->i_chunk_offset =
1528 calloc( p_box->data.p_co64->i_entry_count, sizeof(uint64_t) );
1530 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1532 if( p_box->i_type == FOURCC_stco )
1538 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1546 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1551 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1552 p_box->data.p_co64->i_entry_count );
1555 MP4_READBOX_EXIT( 1 );
1558 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1560 FREENULL( p_box->data.p_co64->i_chunk_offset );
1563 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1567 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1569 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1571 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1573 p_box->data.p_stss->i_sample_number =
1574 calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
1576 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1579 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1580 /* XXX in libmp4 sample begin at 0 */
1581 p_box->data.p_stss->i_sample_number[i]--;
1585 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1586 p_box->data.p_stss->i_entry_count );
1589 MP4_READBOX_EXIT( 1 );
1592 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1594 FREENULL( p_box->data.p_stss->i_sample_number );
1597 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1601 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1603 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1606 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1608 p_box->data.p_stsh->i_shadowed_sample_number =
1609 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1611 p_box->data.p_stsh->i_sync_sample_number =
1612 calloc( p_box->data.p_stsh->i_entry_count, sizeof(uint32_t) );
1615 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1618 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1619 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1623 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1624 p_box->data.p_stsh->i_entry_count );
1626 MP4_READBOX_EXIT( 1 );
1629 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1631 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1632 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1636 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1640 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1642 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1644 p_box->data.p_stdp->i_priority =
1645 calloc( i_read / 2, sizeof(uint16_t) );
1647 for( i = 0; i < i_read / 2 ; i++ )
1650 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1654 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1658 MP4_READBOX_EXIT( 1 );
1661 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1663 FREENULL( p_box->data.p_stdp->i_priority );
1666 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1672 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1674 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1677 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1678 count = (p_box->data.p_padb->i_sample_count + 1) / 2;
1680 p_box->data.p_padb->i_reserved1 = calloc( count, sizeof(uint16_t) );
1681 p_box->data.p_padb->i_pad2 = calloc( count, sizeof(uint16_t) );
1682 p_box->data.p_padb->i_reserved2 = calloc( count, sizeof(uint16_t) );
1683 p_box->data.p_padb->i_pad1 = calloc( count, sizeof(uint16_t) );
1685 for( i = 0; i < i_read / 2 ; i++ )
1689 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1690 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1691 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1692 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1694 p_peek += 1; i_read -= 1;
1698 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1704 MP4_READBOX_EXIT( code );
1707 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1709 FREENULL( p_box->data.p_padb->i_reserved1 );
1710 FREENULL( p_box->data.p_padb->i_pad2 );
1711 FREENULL( p_box->data.p_padb->i_reserved2 );
1712 FREENULL( p_box->data.p_padb->i_pad1 );
1715 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1719 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1721 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1724 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1726 p_box->data.p_elst->i_segment_duration =
1727 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1728 p_box->data.p_elst->i_media_time =
1729 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint64_t) );
1730 p_box->data.p_elst->i_media_rate_integer =
1731 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1732 p_box->data.p_elst->i_media_rate_fraction=
1733 calloc( p_box->data.p_elst->i_entry_count, sizeof(uint16_t) );
1736 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1738 if( p_box->data.p_elst->i_version == 1 )
1741 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1743 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1748 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1750 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1751 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1754 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1755 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1759 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1760 (unsigned long)p_box->data.p_elst->i_entry_count );
1762 MP4_READBOX_EXIT( 1 );
1765 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1767 FREENULL( p_box->data.p_elst->i_segment_duration );
1768 FREENULL( p_box->data.p_elst->i_media_time );
1769 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1770 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1773 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1775 unsigned int i_language;
1778 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1780 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1782 i_language = GetWBE( p_peek );
1783 for( i = 0; i < 3; i++ )
1785 p_box->data.p_cprt->i_language[i] =
1786 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1788 p_peek += 2; i_read -= 2;
1789 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1792 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1793 p_box->data.p_cprt->i_language[0],
1794 p_box->data.p_cprt->i_language[1],
1795 p_box->data.p_cprt->i_language[2],
1796 p_box->data.p_cprt->psz_notice );
1799 MP4_READBOX_EXIT( 1 );
1802 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1804 FREENULL( p_box->data.p_cprt->psz_notice );
1808 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1810 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1812 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1815 "read box: \"dcom\" compression algorithm : %4.4s",
1816 (char*)&p_box->data.p_dcom->i_algorithm );
1818 MP4_READBOX_EXIT( 1 );
1821 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1823 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1825 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1827 p_box->data.p_cmvd->i_compressed_size = i_read;
1829 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1831 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1835 /* now copy compressed data */
1836 memcpy( p_box->data.p_cmvd->p_data,
1840 p_box->data.p_cmvd->b_compressed = 1;
1843 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1844 p_box->data.p_cmvd->i_compressed_size );
1847 MP4_READBOX_EXIT( 1 );
1849 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1851 FREENULL( p_box->data.p_cmvd->p_data );
1855 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1861 stream_t *p_stream_memory;
1867 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1869 msg_Err( p_stream, "out of memory" );
1872 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1874 if( !p_box->p_father ||
1875 ( p_box->p_father->i_type != FOURCC_moov &&
1876 p_box->p_father->i_type != FOURCC_foov ) )
1878 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1882 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1887 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1888 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1889 p_cmvd->data.p_cmvd->p_data == NULL )
1891 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1895 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1897 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1898 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1903 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1907 /* decompress data */
1908 /* allocate a new buffer */
1909 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1911 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1912 "uncompress data" );
1915 /* init default structures */
1916 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1917 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1918 z_data.next_out = p_data;
1919 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1920 z_data.zalloc = (alloc_func)Z_NULL;
1921 z_data.zfree = (free_func)Z_NULL;
1922 z_data.opaque = (voidpf)Z_NULL;
1925 if( inflateInit( &z_data ) != Z_OK )
1927 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1933 i_result = inflate( &z_data, Z_NO_FLUSH );
1934 if( i_result != Z_OK && i_result != Z_STREAM_END )
1936 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1941 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1943 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1946 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1949 if( inflateEnd( &z_data ) != Z_OK )
1951 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1955 free( p_cmvd->data.p_cmvd->p_data );
1956 p_cmvd->data.p_cmvd->p_data = p_data;
1957 p_cmvd->data.p_cmvd->b_compressed = 0;
1959 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1961 /* now create a memory stream */
1963 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1964 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1966 /* and read uncompressd moov */
1967 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1969 stream_Delete( p_stream_memory );
1972 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1975 return p_box->data.p_cmov->p_moov ? 1 : 0;
1976 #endif /* HAVE_ZLIB_H */
1979 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1982 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1984 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1985 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1986 MP4_GET4BYTES( i_len );
1992 p_box->data.p_rdrf->psz_ref = malloc( i_len );
1995 for( i = 0; i < i_len; i++ )
1997 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1999 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
2003 p_box->data.p_rdrf->psz_ref = NULL;
2008 "read box: \"rdrf\" type:%4.4s ref %s",
2009 (char*)&p_box->data.p_rdrf->i_ref_type,
2010 p_box->data.p_rdrf->psz_ref );
2012 MP4_READBOX_EXIT( 1 );
2015 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2017 FREENULL( p_box->data.p_rdrf->psz_ref );
2021 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2023 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2025 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2027 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2031 "read box: \"rmdr\" rate:%d",
2032 p_box->data.p_rmdr->i_rate );
2034 MP4_READBOX_EXIT( 1 );
2037 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2039 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2041 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2045 "read box: \"rmqu\" quality:%d",
2046 p_box->data.p_rmqu->i_quality );
2048 MP4_READBOX_EXIT( 1 );
2051 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2053 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2054 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2056 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2057 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2058 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2059 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2063 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2064 (char*)&p_box->data.p_rmvc->i_gestaltType,
2065 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2066 p_box->data.p_rmvc->i_checkType );
2069 MP4_READBOX_EXIT( 1 );
2072 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2074 MP4_Box_t *p_drms_box = p_box;
2076 MP4_READBOX_ENTER( uint8_t );
2080 p_drms_box = p_drms_box->p_father;
2081 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2083 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2085 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2086 p_box->i_type, p_peek, i_read );
2089 const char *psz_error;
2093 case -1: psz_error = "unimplemented"; break;
2094 case -2: psz_error = "invalid argument"; break;
2095 case -3: psz_error = "could not get system key"; break;
2096 case -4: psz_error = "could not get SCI data"; break;
2097 case -5: psz_error = "no user key found in SCI data"; break;
2098 case -6: psz_error = "invalid user key"; break;
2099 default: psz_error = "unknown error"; break;
2101 if MP4_BOX_TYPE_ASCII()
2102 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2103 (char *)&p_box->i_type, psz_error );
2105 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2106 (char *)&p_box->i_type+1, psz_error );
2108 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2109 p_drms_box->data.p_sample_soun->p_drms = NULL;
2113 MP4_READBOX_EXIT( 1 );
2116 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2121 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2123 p_box->data.p_0xa9xxx->psz_text = NULL;
2125 MP4_GET2BYTES( i16 );
2130 MP4_GET2BYTES( i16 );
2131 if( i_length >= i_read ) i_length = i_read + 1;
2133 p_box->data.p_0xa9xxx->psz_text = malloc( i_length );
2136 memcpy( p_box->data.p_0xa9xxx->psz_text,
2138 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2142 "read box: \"c%3.3s\" text=`%s'",
2143 ((char*)&p_box->i_type + 1),
2144 p_box->data.p_0xa9xxx->psz_text );
2149 /* try iTune/Quicktime format, rewind to start */
2150 p_peek -= 2; i_read += 2;
2151 // we are expecting a 'data' box
2152 uint32_t i_data_len;
2153 uint32_t i_data_tag;
2155 MP4_GET4BYTES( i_data_len );
2156 if( i_data_len > i_read ) i_data_len = i_read;
2157 MP4_GETFOURCC( i_data_tag );
2158 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2160 /* data box contains a version/flags field */
2162 uint32_t i_reserved;
2163 MP4_GET4BYTES( i_version );
2164 MP4_GET4BYTES( i_reserved );
2165 // version should be 0, flags should be 1 for text, 0 for data
2166 if( ( i_version == 0x00000001 ) && (i_data_len >= 12 ) )
2168 // the rest is the text
2170 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2172 memcpy( p_box->data.p_0xa9xxx->psz_text,
2173 p_peek, i_data_len );
2174 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2177 "read box: \"c%3.3s\" text=`%s'",
2178 ((char*)&p_box->i_type+1),
2179 p_box->data.p_0xa9xxx->psz_text );
2184 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2189 MP4_READBOX_EXIT( 1 );
2191 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2193 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2196 /* Chapter support */
2197 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2199 MP4_Box_data_chpl_t *p_chpl;
2202 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2204 p_chpl = p_box->data.p_chpl;
2206 MP4_GETVERSIONFLAGS( p_chpl );
2208 MP4_GET4BYTES( i_dummy );
2210 MP4_GET1BYTE( p_chpl->i_chapter );
2212 for( i = 0; i < p_chpl->i_chapter; i++ )
2217 MP4_GET8BYTES( i_start );
2218 MP4_GET1BYTE( i_len );
2220 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2221 i_copy = __MIN( i_len, i_read );
2223 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2224 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2225 p_chpl->chapter[i].i_start = i_start;
2230 /* Bubble sort by increasing start date */
2233 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2235 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2237 char *psz = p_chpl->chapter[i+1].psz_name;
2238 int64_t i64 = p_chpl->chapter[i+1].i_start;
2240 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2241 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2243 p_chpl->chapter[i].psz_name = psz;
2244 p_chpl->chapter[i].i_start = i64;
2253 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2254 p_chpl->i_chapter );
2256 MP4_READBOX_EXIT( 1 );
2258 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2260 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2262 for( i = 0; i < p_chpl->i_chapter; i++ )
2263 free( p_chpl->chapter[i].psz_name );
2266 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2269 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2271 p_box->data.p_tref_generic->i_track_ID = NULL;
2272 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2273 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2274 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2276 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2278 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2281 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2282 p_box->data.p_tref_generic->i_entry_count );
2285 MP4_READBOX_EXIT( 1 );
2287 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2289 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2292 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2294 uint8_t meta_data[8];
2295 int i_actually_read;
2297 // skip over box header
2298 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2299 if( i_actually_read < 8 )
2302 /* meta content starts with a 4 byte version/flags value (should be 0) */
2303 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2304 if( i_actually_read < 4 )
2307 /* then it behaves like a container */
2308 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2312 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2314 if( !p_box->p_father )
2318 if( p_box->p_father->i_type == FOURCC_stsd )
2320 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2323 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2324 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2328 switch( p_hdlr->data.p_hdlr->i_handler_type )
2331 return MP4_ReadBox_sample_soun( p_stream, p_box );
2333 return MP4_ReadBox_sample_vide( p_stream, p_box );
2335 return MP4_ReadBox_sample_text( p_stream, p_box );
2337 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2340 "unknown handler type in stsd (incompletely loaded)" );
2346 if MP4_BOX_TYPE_ASCII()
2348 "unknown box type %4.4s (incompletely loaded)",
2349 (char*)&p_box->i_type );
2352 "unknown box type c%3.3s (incompletely loaded)",
2353 (char*)&p_box->i_type+1 );
2358 /**** ------------------------------------------------------------------- ****/
2359 /**** "Higher level" Functions ****/
2360 /**** ------------------------------------------------------------------- ****/
2365 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2366 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2367 } MP4_Box_Function [] =
2370 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2371 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2372 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2373 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2374 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2375 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2376 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2377 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2378 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2379 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2380 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2381 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2382 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2383 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2384 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2385 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2386 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2389 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2390 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2391 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2392 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2393 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2394 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2395 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2396 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2397 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2398 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2399 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2400 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2401 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2402 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2403 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2404 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2405 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2406 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2407 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2408 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2409 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2410 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2411 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2412 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2413 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2414 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2415 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2416 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2417 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2419 /* Nothing to do with this box */
2420 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2421 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2422 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2423 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2426 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2427 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2428 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2429 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2430 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2431 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2432 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2433 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2434 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2435 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2436 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2437 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2438 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2439 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2440 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2441 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2442 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2443 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2444 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2445 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2446 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2447 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2448 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2450 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2451 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2452 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2453 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2454 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2455 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2456 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2457 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2458 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2459 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2460 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2461 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2462 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2463 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2464 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2465 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2466 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2467 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2468 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2469 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2470 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2471 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2472 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2474 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2475 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2477 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2478 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2479 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2480 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2481 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2483 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2484 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2486 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2487 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2489 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2491 /* XXX there is 2 box where we could find this entry stbl and tref*/
2492 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2494 /* found in tref box */
2495 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2496 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2497 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2498 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2501 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2504 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2505 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2506 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2507 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2509 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2510 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2511 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2512 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2513 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2514 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2515 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2516 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2519 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2520 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2521 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2522 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2523 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2524 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2525 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2526 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2527 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2528 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2529 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2530 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2531 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2532 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2533 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2534 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2535 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2536 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2537 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2538 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2539 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2540 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2541 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2542 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2543 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2545 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2547 /* iTunes/Quicktime meta info */
2548 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2551 { 0, MP4_ReadBox_default, NULL }
2556 /*****************************************************************************
2557 * MP4_ReadBox : parse the actual box and the children
2558 * XXX : Do not go to the next box
2559 *****************************************************************************/
2560 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2562 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2563 unsigned int i_index;
2565 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2567 msg_Warn( p_stream, "cannot read one box" );
2571 if( !p_box->i_size )
2573 msg_Dbg( p_stream, "found an empty box (null size)" );
2577 p_box->p_father = p_father;
2579 /* Now search function to call */
2580 for( i_index = 0; ; i_index++ )
2582 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2583 ( MP4_Box_Function[i_index].i_type == 0 ) )
2589 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2591 MP4_BoxFree( p_stream, p_box );
2598 /*****************************************************************************
2599 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2601 *****************************************************************************/
2602 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2604 unsigned int i_index;
2612 for( p_child = p_box->p_first; p_child != NULL; )
2616 p_next = p_child->p_next;
2617 MP4_BoxFree( s, p_child );
2621 /* Now search function to call */
2622 if( p_box->data.p_data )
2624 for( i_index = 0; ; i_index++ )
2626 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2627 ( MP4_Box_Function[i_index].i_type == 0 ) )
2632 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2634 /* Should not happen */
2635 if MP4_BOX_TYPE_ASCII()
2637 "cannot free box %4.4s, type unknown",
2638 (char*)&p_box->i_type );
2641 "cannot free box c%3.3s, type unknown",
2642 (char*)&p_box->i_type+1 );
2646 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2649 free( p_box->data.p_data );
2655 /*****************************************************************************
2656 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2657 *****************************************************************************
2658 * The first box is a virtual box "root" and is the father for all first
2659 * level boxes for the file, a sort of virtual contener
2660 *****************************************************************************/
2661 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2667 p_root = malloc( sizeof( MP4_Box_t ) );
2669 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2670 p_root->i_shortsize = 1;
2671 p_root->i_size = stream_Size( s );
2672 CreateUUID( &p_root->i_uuid, p_root->i_type );
2674 p_root->data.p_data = NULL;
2675 p_root->p_father = NULL;
2676 p_root->p_first = NULL;
2677 p_root->p_last = NULL;
2678 p_root->p_next = NULL;
2682 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2690 /* check if there is a cmov, if so replace
2691 compressed moov by uncompressed one */
2692 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2693 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2694 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2695 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2697 /* rename the compressed moov as a box to skip */
2698 p_moov->i_type = FOURCC_skip;
2700 /* get uncompressed p_moov */
2701 p_moov = p_cmov->data.p_cmov->p_moov;
2702 p_cmov->data.p_cmov->p_moov = NULL;
2704 /* make p_root father of this new moov */
2705 p_moov->p_father = p_root;
2707 /* insert this new moov box as first child of p_root */
2708 p_moov->p_next = p_child = p_root->p_first;
2709 p_root->p_first = p_moov;
2717 static void __MP4_BoxDumpStructure( stream_t *s,
2718 MP4_Box_t *p_box, unsigned int i_level )
2724 if MP4_BOX_TYPE_ASCII()
2725 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2726 (char*)&p_box->i_type );
2728 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2729 (char*)&p_box->i_type+1 );
2735 memset( str, (uint8_t)' ', 512 );
2736 for( i = 0; i < i_level; i++ )
2740 if MP4_BOX_TYPE_ASCII()
2741 sprintf( str + i_level * 5, "+ %4.4s size %d",
2742 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2744 sprintf( str + i_level * 5, "+ c%3.3s size %d",
2745 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2746 msg_Dbg( s, "%s", str );
2748 p_child = p_box->p_first;
2751 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2752 p_child = p_child->p_next;
2756 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2758 __MP4_BoxDumpStructure( s, p_box, 0 );
2763 /*****************************************************************************
2764 *****************************************************************************
2766 ** High level methods to acces an MP4 file
2768 *****************************************************************************
2769 *****************************************************************************/
2770 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2773 if( !*ppsz_path[0] )
2780 while( (*ppsz_path)[i_len] &&
2781 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2785 if( !i_len && **ppsz_path == '/' )
2789 *ppsz_token = malloc( i_len + 1 );
2791 memcpy( *ppsz_token, *ppsz_path, i_len );
2793 (*ppsz_token)[i_len] = '\0';
2795 *ppsz_path += i_len;
2797 if( **ppsz_path == '[' )
2800 *pi_number = strtol( *ppsz_path, NULL, 10 );
2801 while( **ppsz_path && **ppsz_path != ']' )
2805 if( **ppsz_path == ']' )
2814 while( **ppsz_path == '/' )
2820 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2821 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2832 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
2835 if( !psz_path || !psz_path[0] )
2837 FREENULL( psz_path );
2842 // fprintf( stderr, "path:'%s'\n", psz_path );
2843 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2849 __get_token( &psz_path, &psz_token, &i_number );
2850 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2851 // psz_path,psz_token,i_number );
2854 FREENULL( psz_token );
2860 if( !strcmp( psz_token, "/" ) )
2863 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2865 p_box = p_box->p_father;
2876 if( !strcmp( psz_token, "." ) )
2881 if( !strcmp( psz_token, ".." ) )
2883 p_box = p_box->p_father;
2893 if( strlen( psz_token ) == 4 )
2896 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2897 psz_token[2], psz_token[3] );
2898 p_box = p_box->p_first;
2908 if( p_box->i_type == i_fourcc )
2916 p_box = p_box->p_next;
2920 if( strlen( psz_token ) == 0 )
2922 p_box = p_box->p_first;
2937 p_box = p_box->p_next;
2942 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2943 FREENULL( psz_token );
2953 /*****************************************************************************
2954 * MP4_BoxGet: find a box given a path relative to p_box
2955 *****************************************************************************
2956 * Path Format: . .. / as usual
2957 * [number] to specifie box number ex: trak[12]
2959 * ex: /moov/trak[12]
2961 *****************************************************************************/
2962 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2965 MP4_Box_t *p_result;
2967 va_start( args, psz_fmt );
2968 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2974 /*****************************************************************************
2975 * MP4_BoxCount: count box given a path relative to p_box
2976 *****************************************************************************
2977 * Path Format: . .. / as usual
2978 * [number] to specifie box number ex: trak[12]
2980 * ex: /moov/trak[12]
2982 *****************************************************************************/
2983 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2987 MP4_Box_t *p_result, *p_next;
2989 va_start( args, psz_fmt );
2990 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2998 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
3000 if( p_next->i_type == p_result->i_type)