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 = calloc( sizeof(char), __i_copy__+1 ); \
71 if( __i_copy__ > 0 ) memcpy( p_str, p_peek, __i_copy__ ); \
72 p_str[__i_copy__] = 0; \
73 p_peek += __i_copy__ + 1; \
74 i_read -= __i_copy__ + 1; \
81 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
82 int64_t i_read = p_box->i_size; \
83 uint8_t *p_peek, *p_buff; \
84 int i_actually_read; \
85 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
89 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
90 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
95 p_peek += MP4_BOX_HEADERSIZE( p_box ); \
96 i_read -= MP4_BOX_HEADERSIZE( p_box ); \
97 if( !( p_box->data.p_data = malloc( sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
103 #define MP4_READBOX_EXIT( i_code ) \
107 msg_Warn( p_stream, "Not enough data" ); \
113 * The input method HAVE to be seekable
117 /* This macro is used when we want to printf the box type
118 * APPLE annotation box is :
119 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
120 * either 32-bit ASCII text string
122 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
124 static uint32_t Get24bBE( const uint8_t *p )
126 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
129 static void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
131 memcpy( p_uuid, p_buff, 16 );
134 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
136 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
137 where XXXXXXXX is the fourcc */
138 /* FIXME implement this */
141 /* some functions for mp4 encoding of variables */
143 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
150 /* date begin at 1 jan 1904 */
151 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
153 i_day = i_date / ( 60*60*24);
154 i_hour = ( i_date /( 60*60 ) ) % 60;
155 i_min = ( i_date / 60 ) % 60;
157 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
160 /*****************************************************************************
162 *****************************************************************************/
163 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
166 /*****************************************************************************
167 * MP4_ReadBoxCommon : Load only common parameters for all boxes
168 *****************************************************************************
169 * p_box need to be an already allocated MP4_Box_t, and all data
170 * will only be peek not read
172 * RETURN : 0 if it fail, 1 otherwise
173 *****************************************************************************/
174 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
177 const uint8_t *p_peek;
179 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
183 p_box->i_pos = stream_Tell( p_stream );
185 p_box->data.p_data = NULL;
186 p_box->p_father = NULL;
187 p_box->p_first = NULL;
188 p_box->p_last = NULL;
189 p_box->p_next = NULL;
191 MP4_GET4BYTES( p_box->i_shortsize );
192 MP4_GETFOURCC( p_box->i_type );
194 /* Now special case */
196 if( p_box->i_shortsize == 1 )
198 /* get the true size on 64 bits */
199 MP4_GET8BYTES( p_box->i_size );
203 p_box->i_size = p_box->i_shortsize;
204 /* XXX size of 0 means that the box extends to end of file */
207 if( p_box->i_type == FOURCC_uuid )
209 /* get extented type on 16 bytes */
210 GetUUID( &p_box->i_uuid, p_peek );
211 p_peek += 16; i_read -= 16;
215 CreateUUID( &p_box->i_uuid, p_box->i_type );
220 if MP4_BOX_TYPE_ASCII()
221 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
222 (char*)&p_box->i_type, p_box->i_size );
224 msg_Dbg( p_stream, "found Box: c%3.3s size "I64Fd,
225 (char*)&p_box->i_type+1, p_box->i_size );
232 /*****************************************************************************
233 * MP4_NextBox : Go to the next box
234 *****************************************************************************
235 * if p_box == NULL, go to the next box in which we are( at the begining ).
236 *****************************************************************************/
237 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
243 MP4_ReadBoxCommon( p_stream, &box );
249 return 2; /* Box with infinite size */
252 if( p_box->p_father )
254 const int i_box_end = p_box->i_size + p_box->i_pos;
255 const int i_father_end = p_box->p_father->i_size + p_box->p_father->i_pos;
257 /* check if it's within p-father */
258 if( i_box_end >= i_father_end )
260 if( i_box_end > i_father_end )
261 msg_Dbg( p_stream, "out of bound child" );
262 return 0; /* out of bound */
265 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
273 /*****************************************************************************
274 * For all known box a loader is given,
275 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
276 * after called one of theses functions, file position is unknown
277 * you need to call MP4_GotoBox to go where you want
278 *****************************************************************************/
279 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
283 if( stream_Tell( p_stream ) + 8 >
284 (off_t)(p_container->i_pos + p_container->i_size) )
286 /* there is no box to load */
292 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
294 /* chain this box with the father and the other at same level */
295 if( !p_container->p_first ) p_container->p_first = p_box;
296 else p_container->p_last->p_next = p_box;
297 p_container->p_last = p_box;
299 } while( MP4_NextBox( p_stream, p_box ) == 1 );
304 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
306 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
308 /* container is empty, 8 stand for the first header in this box */
313 stream_Seek( p_stream, p_container->i_pos +
314 MP4_BOX_HEADERSIZE( p_container ) );
316 return MP4_ReadBoxContainerRaw( p_stream, p_container );
319 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
321 /* Up to now do nothing */
324 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
326 /* XXX sometime moov is hiden in a free box */
327 if( p_box->p_father &&
328 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
329 p_box->i_type == FOURCC_free )
331 const uint8_t *p_peek;
335 i_read = stream_Peek( p_stream, &p_peek, 44 );
337 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
338 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
342 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
344 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
346 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
348 p_box->i_type = FOURCC_foov;
349 return MP4_ReadBoxContainer( p_stream, p_box );
356 if MP4_BOX_TYPE_ASCII()
357 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
359 msg_Dbg( p_stream, "skip box: \"c%3.3s\"", (char*)&p_box->i_type+1 );
364 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
366 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
368 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
369 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
371 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
374 p_box->data.p_ftyp->i_compatible_brands =
375 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
377 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
379 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
384 p_box->data.p_ftyp->i_compatible_brands = NULL;
387 MP4_READBOX_EXIT( 1 );
390 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
392 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
396 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
400 char s_creation_time[128];
401 char s_modification_time[128];
402 char s_duration[128];
404 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
406 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
408 if( p_box->data.p_mvhd->i_version )
410 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
411 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
412 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
413 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
417 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
418 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
419 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
420 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
422 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
423 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
424 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
427 for( i = 0; i < 2; i++ )
429 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
431 for( i = 0; i < 9; i++ )
433 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
435 for( i = 0; i < 6; i++ )
437 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
440 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
444 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
445 MP4_ConvertDate2Str( s_modification_time,
446 p_box->data.p_mvhd->i_modification_time );
447 if( p_box->data.p_mvhd->i_rate )
449 MP4_ConvertDate2Str( s_duration,
450 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
456 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
459 (uint32_t)p_box->data.p_mvhd->i_timescale,
461 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
462 (float)p_box->data.p_mvhd->i_volume / 256 ,
463 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
465 MP4_READBOX_EXIT( 1 );
468 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
472 char s_creation_time[128];
473 char s_modification_time[128];
474 char s_duration[128];
476 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
478 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
480 if( p_box->data.p_tkhd->i_version )
482 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
483 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
484 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
485 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
486 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
490 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
491 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
492 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
493 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
497 for( i = 0; i < 2; i++ )
499 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
501 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
502 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
503 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
504 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
506 for( i = 0; i < 9; i++ )
508 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
510 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
511 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
514 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
515 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
516 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
518 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
522 p_box->data.p_tkhd->i_track_ID,
523 p_box->data.p_tkhd->i_layer,
524 (float)p_box->data.p_tkhd->i_volume / 256 ,
525 (float)p_box->data.p_tkhd->i_width / 65536,
526 (float)p_box->data.p_tkhd->i_height / 65536 );
528 MP4_READBOX_EXIT( 1 );
532 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
537 char s_creation_time[128];
538 char s_modification_time[128];
539 char s_duration[128];
541 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
543 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
545 if( p_box->data.p_mdhd->i_version )
547 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
548 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
549 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
550 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
554 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
555 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
556 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
557 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
559 i_language = GetWBE( p_peek );
560 for( i = 0; i < 3; i++ )
562 p_box->data.p_mdhd->i_language[i] =
563 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
566 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
569 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
570 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
571 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
572 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
575 (uint32_t)p_box->data.p_mdhd->i_timescale,
577 p_box->data.p_mdhd->i_language[0],
578 p_box->data.p_mdhd->i_language[1],
579 p_box->data.p_mdhd->i_language[2] );
581 MP4_READBOX_EXIT( 1 );
585 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
589 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
591 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
593 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
594 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
596 MP4_GET4BYTES( i_reserved );
597 MP4_GET4BYTES( i_reserved );
598 MP4_GET4BYTES( i_reserved );
599 p_box->data.p_hdlr->psz_name = NULL;
603 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
605 /* Yes, I love .mp4 :( */
606 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
611 MP4_GET1BYTE( i_len );
612 i_copy = __MIN( i_read, i_len );
614 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
615 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
619 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
620 p_box->data.p_hdlr->psz_name[i_read] = '\0';
625 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
626 (char*)&p_box->data.p_hdlr->i_handler_type,
627 p_box->data.p_hdlr->psz_name );
630 MP4_READBOX_EXIT( 1 );
633 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
635 FREENULL( p_box->data.p_hdlr->psz_name );
638 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
642 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
644 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
646 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
647 for( i = 0; i < 3; i++ )
649 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
653 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
654 p_box->data.p_vmhd->i_graphics_mode,
655 p_box->data.p_vmhd->i_opcolor[0],
656 p_box->data.p_vmhd->i_opcolor[1],
657 p_box->data.p_vmhd->i_opcolor[2] );
659 MP4_READBOX_EXIT( 1 );
662 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
664 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
666 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
670 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
672 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
675 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
676 (float)p_box->data.p_smhd->i_balance / 256 );
678 MP4_READBOX_EXIT( 1 );
682 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
684 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
686 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
688 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
689 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
691 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
692 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
694 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
697 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
698 p_box->data.p_hmhd->i_max_PDU_size,
699 p_box->data.p_hmhd->i_avg_PDU_size,
700 p_box->data.p_hmhd->i_max_bitrate,
701 p_box->data.p_hmhd->i_avg_bitrate );
703 MP4_READBOX_EXIT( 1 );
706 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
708 MP4_READBOX_ENTER( MP4_Box_data_url_t );
710 MP4_GETVERSIONFLAGS( p_box->data.p_url );
711 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
714 msg_Dbg( p_stream, "read box: \"url\" url: %s",
715 p_box->data.p_url->psz_location );
718 MP4_READBOX_EXIT( 1 );
722 static void MP4_FreeBox_url( MP4_Box_t *p_box )
724 FREENULL( p_box->data.p_url->psz_location );
727 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
729 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
731 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
733 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
734 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
737 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
738 p_box->data.p_urn->psz_name,
739 p_box->data.p_urn->psz_location );
741 MP4_READBOX_EXIT( 1 );
743 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
745 FREENULL( p_box->data.p_urn->psz_name );
746 FREENULL( p_box->data.p_urn->psz_location );
750 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
752 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
754 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
756 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
758 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
759 MP4_ReadBoxContainerRaw( p_stream, p_box );
762 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
763 p_box->data.p_dref->i_entry_count );
766 MP4_READBOX_EXIT( 1 );
770 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
773 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
775 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
776 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
778 p_box->data.p_stts->i_sample_count =
779 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
780 p_box->data.p_stts->i_sample_delta =
781 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
783 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
785 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
786 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
790 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
791 p_box->data.p_stts->i_entry_count );
794 MP4_READBOX_EXIT( 1 );
797 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
799 FREENULL( p_box->data.p_stts->i_sample_count );
800 FREENULL( p_box->data.p_stts->i_sample_delta );
803 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
806 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
808 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
810 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
812 p_box->data.p_ctts->i_sample_count =
813 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
814 p_box->data.p_ctts->i_sample_offset =
815 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
817 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
819 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
820 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
824 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
825 p_box->data.p_ctts->i_entry_count );
828 MP4_READBOX_EXIT( 1 );
831 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
833 FREENULL( p_box->data.p_ctts->i_sample_count );
834 FREENULL( p_box->data.p_ctts->i_sample_offset );
837 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
840 unsigned int i_len = 0;
847 i_len = ( i_len << 7 ) + ( i_b&0x7f );
852 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
854 #define es_descriptor p_box->data.p_esds->es_descriptor
856 unsigned int i_flags;
859 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
861 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
864 MP4_GET1BYTE( i_type );
865 if( i_type == 0x03 ) /* MP4ESDescrTag */
867 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
870 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
874 MP4_GET2BYTES( es_descriptor.i_ES_ID );
875 MP4_GET1BYTE( i_flags );
876 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
877 es_descriptor.b_url = ( (i_flags&0x40) != 0);
878 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
880 es_descriptor.i_stream_priority = i_flags&0x1f;
881 if( es_descriptor.b_stream_dependence )
883 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
885 if( es_descriptor.b_url )
889 MP4_GET1BYTE( i_len );
890 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
891 memcpy( es_descriptor.psz_URL, p_peek, i_len );
892 es_descriptor.psz_URL[i_len] = 0;
898 es_descriptor.psz_URL = NULL;
900 if( es_descriptor.b_OCRstream )
902 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
904 MP4_GET1BYTE( i_type ); /* get next type */
907 if( i_type != 0x04)/* MP4DecConfigDescrTag */
909 es_descriptor.p_decConfigDescr = NULL;
910 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
913 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
916 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
920 es_descriptor.p_decConfigDescr =
921 malloc( sizeof( MP4_descriptor_decoder_config_t ));
923 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
924 MP4_GET1BYTE( i_flags );
925 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
926 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
927 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
928 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
929 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
930 MP4_GET1BYTE( i_type );
931 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
933 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
934 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
935 MP4_READBOX_EXIT( 1 );
938 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
941 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
945 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
946 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
947 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
950 MP4_READBOX_EXIT( 1 );
955 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
957 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
958 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
960 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
962 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
965 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
967 MP4_Box_data_avcC_t *p_avcC;
970 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
971 p_avcC = p_box->data.p_avcC;
973 p_avcC->i_avcC = i_read;
974 if( p_avcC->i_avcC > 0 )
976 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
977 memcpy( p_avcC->p_avcC, p_peek, i_read );
980 MP4_GET1BYTE( p_avcC->i_version );
981 MP4_GET1BYTE( p_avcC->i_profile );
982 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
983 MP4_GET1BYTE( p_avcC->i_level );
984 MP4_GET1BYTE( p_avcC->i_reserved1 );
985 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
986 p_avcC->i_reserved1 >>= 2;
988 MP4_GET1BYTE( p_avcC->i_reserved2 );
989 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
990 p_avcC->i_reserved2 >>= 5;
992 if( p_avcC->i_sps > 0 )
994 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
995 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
997 for( i = 0; i < p_avcC->i_sps; i++ )
999 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1000 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1001 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1003 p_peek += p_avcC->i_sps_length[i];
1004 i_read -= p_avcC->i_sps_length[i];
1008 MP4_GET1BYTE( p_avcC->i_pps );
1009 if( p_avcC->i_pps > 0 )
1011 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1012 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1014 for( i = 0; i < p_avcC->i_pps; i++ )
1016 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1017 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1018 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1020 p_peek += p_avcC->i_pps_length[i];
1021 i_read -= p_avcC->i_pps_length[i];
1026 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1027 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1028 p_avcC->i_length_size,
1029 p_avcC->i_sps, p_avcC->i_pps );
1030 for( i = 0; i < p_avcC->i_sps; i++ )
1032 msg_Dbg( p_stream, " - sps[%d] length=%d",
1033 i, p_avcC->i_sps_length[i] );
1035 for( i = 0; i < p_avcC->i_pps; i++ )
1037 msg_Dbg( p_stream, " - pps[%d] length=%d",
1038 i, p_avcC->i_pps_length[i] );
1042 MP4_READBOX_EXIT( 1 );
1045 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1047 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1050 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1052 for( i = 0; i < p_avcC->i_sps; i++ )
1054 FREENULL( p_avcC->sps[i] );
1056 for( i = 0; i < p_avcC->i_pps; i++ )
1058 FREENULL( p_avcC->pps[i] );
1060 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1061 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1062 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1063 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1066 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1070 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1071 p_box->data.p_sample_soun->p_qt_description = NULL;
1073 /* Sanity check needed because the "wave" box does also contain an
1074 * "mp4a" box that we don't understand. */
1078 MP4_READBOX_EXIT( 1 );
1081 for( i = 0; i < 6 ; i++ )
1083 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1086 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1089 * XXX hack -> produce a copy of the nearly complete chunk
1093 p_box->data.p_sample_soun->i_qt_description = i_read;
1094 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1095 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1099 p_box->data.p_sample_soun->i_qt_description = 0;
1100 p_box->data.p_sample_soun->p_qt_description = NULL;
1103 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1104 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1105 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1107 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1108 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1109 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1110 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1111 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1112 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1114 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1116 /* SoundDescriptionV1 */
1117 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1118 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1119 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1120 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1124 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1125 "bytes/frame=%d bytes/sample=%d",
1126 p_box->data.p_sample_soun->i_sample_per_packet,
1127 p_box->data.p_sample_soun->i_bytes_per_packet,
1128 p_box->data.p_sample_soun->i_bytes_per_frame,
1129 p_box->data.p_sample_soun->i_bytes_per_sample );
1131 stream_Seek( p_stream, p_box->i_pos +
1132 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1134 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1136 /* SoundDescriptionV2 */
1137 double f_sample_rate;
1141 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1142 MP4_GET8BYTES( dummy );
1143 memcpy( &f_sample_rate, &dummy, 8 );
1145 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1146 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1147 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1149 MP4_GET4BYTES( i_channel );
1150 p_box->data.p_sample_soun->i_channelcount = i_channel;
1153 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1155 stream_Seek( p_stream, p_box->i_pos +
1156 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1160 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1161 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1162 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1163 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1165 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1167 stream_Seek( p_stream, p_box->i_pos +
1168 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1171 if( p_box->i_type == FOURCC_drms )
1173 p_box->data.p_sample_soun->p_drms =
1174 drms_alloc( p_stream->p_libvlc->psz_homedir );
1176 if( p_box->data.p_sample_soun->p_drms == NULL )
1178 msg_Err( p_stream, "drms_alloc() failed" );
1182 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1184 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1185 p_box->data.p_sample_soun->i_channelcount = 1;
1188 if( p_box->i_type == FOURCC_alac )
1190 if( p_box->data.p_sample_soun->p_qt_description )
1191 free( p_box->data.p_sample_soun->p_qt_description );
1193 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1194 p_box->data.p_sample_soun->i_qt_description = i_read;
1195 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1199 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1203 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1204 "sample size %d sample rate %f",
1205 p_box->data.p_sample_soun->i_channelcount,
1206 p_box->data.p_sample_soun->i_samplesize,
1207 (float)p_box->data.p_sample_soun->i_sampleratehi +
1208 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1211 MP4_READBOX_EXIT( 1 );
1215 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1217 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1219 if( p_box->i_type == FOURCC_drms )
1221 if( p_box->data.p_sample_soun->p_drms )
1223 drms_free( p_box->data.p_sample_soun->p_drms );
1229 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1233 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1235 for( i = 0; i < 6 ; i++ )
1237 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1243 * XXX hack -> produce a copy of the nearly complete chunk
1247 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1248 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1249 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1254 p_box->data.p_sample_vide->i_qt_image_description = 0;
1255 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1258 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1259 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1260 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1262 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1263 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1265 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1266 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1268 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1269 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1271 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1272 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1274 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1275 p_peek += 32; i_read -= 32;
1277 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1278 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1280 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1281 MP4_ReadBoxContainerRaw( p_stream, p_box );
1284 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1285 p_box->data.p_sample_vide->i_width,
1286 p_box->data.p_sample_vide->i_height,
1287 p_box->data.p_sample_vide->i_depth );
1290 MP4_READBOX_EXIT( 1 );
1294 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1296 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1299 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1301 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1302 MP4_ReadBoxContainerRaw( p_stream, p_box );
1306 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1310 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1312 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1313 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1315 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1317 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1322 /* FIXME search right signification */
1324 p_box->data.p_sample_text->i_justification_horizontal = 1;
1325 p_box->data.p_sample_text->i_justification_vertical = 1;
1327 case -1: // Flush Right
1328 p_box->data.p_sample_text->i_justification_horizontal = -1;
1329 p_box->data.p_sample_text->i_justification_vertical = -1;
1331 case -2: // Flush Left
1332 p_box->data.p_sample_text->i_justification_horizontal = 0;
1333 p_box->data.p_sample_text->i_justification_vertical = 0;
1335 case 0: // Flush Default
1337 p_box->data.p_sample_text->i_justification_horizontal = 1;
1338 p_box->data.p_sample_text->i_justification_vertical = -1;
1342 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1343 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1344 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1345 p_box->data.p_sample_text->i_background_color[3] = 0;
1347 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1348 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1349 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1350 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1353 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1355 MP4_READBOX_EXIT( 1 );
1358 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1360 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1362 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1363 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1365 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1367 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1369 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1370 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1372 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1373 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1374 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1375 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1377 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1378 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1379 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1380 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1383 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1385 MP4_READBOX_EXIT( 1 );
1390 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1391 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1393 FREENULL( p_box->data.p_sample_text->psz_text_name );
1398 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1401 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1403 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1405 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1407 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1409 MP4_ReadBoxContainerRaw( p_stream, p_box );
1412 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1413 p_box->data.p_stsd->i_entry_count );
1416 MP4_READBOX_EXIT( 1 );
1420 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1424 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1426 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1428 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1430 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1432 p_box->data.p_stsz->i_entry_size =
1433 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1435 if( !p_box->data.p_stsz->i_sample_size )
1437 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1439 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1444 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1445 p_box->data.p_stsz->i_sample_size,
1446 p_box->data.p_stsz->i_sample_count );
1449 MP4_READBOX_EXIT( 1 );
1452 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1454 FREENULL( p_box->data.p_stsz->i_entry_size );
1457 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1461 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1463 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1465 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1467 p_box->data.p_stsc->i_first_chunk =
1468 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1469 p_box->data.p_stsc->i_samples_per_chunk =
1470 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1471 p_box->data.p_stsc->i_sample_description_index =
1472 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1474 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1476 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1477 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1478 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1482 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1483 p_box->data.p_stsc->i_entry_count );
1486 MP4_READBOX_EXIT( 1 );
1489 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1491 FREENULL( p_box->data.p_stsc->i_first_chunk );
1492 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1493 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1496 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1500 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1502 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1504 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1506 p_box->data.p_co64->i_chunk_offset =
1507 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1509 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1511 if( p_box->i_type == FOURCC_stco )
1517 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1525 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1530 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1531 p_box->data.p_co64->i_entry_count );
1534 MP4_READBOX_EXIT( 1 );
1537 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1539 FREENULL( p_box->data.p_co64->i_chunk_offset );
1542 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1546 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1548 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1550 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1552 p_box->data.p_stss->i_sample_number =
1553 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1555 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1558 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1559 /* XXX in libmp4 sample begin at 0 */
1560 p_box->data.p_stss->i_sample_number[i]--;
1564 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1565 p_box->data.p_stss->i_entry_count );
1568 MP4_READBOX_EXIT( 1 );
1571 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1573 FREENULL( p_box->data.p_stss->i_sample_number );
1576 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1580 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1582 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1585 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1587 p_box->data.p_stsh->i_shadowed_sample_number =
1588 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1590 p_box->data.p_stsh->i_sync_sample_number =
1591 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1594 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1597 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1598 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1602 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1603 p_box->data.p_stsh->i_entry_count );
1605 MP4_READBOX_EXIT( 1 );
1608 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1610 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1611 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1615 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1619 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1621 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1623 p_box->data.p_stdp->i_priority =
1624 calloc( sizeof( uint16_t ), i_read / 2 );
1626 for( i = 0; i < i_read / 2 ; i++ )
1629 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1633 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1637 MP4_READBOX_EXIT( 1 );
1640 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1642 FREENULL( p_box->data.p_stdp->i_priority );
1645 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1649 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1651 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1654 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1656 p_box->data.p_padb->i_reserved1 =
1657 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1658 p_box->data.p_padb->i_pad2 =
1659 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1660 p_box->data.p_padb->i_reserved2 =
1661 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1662 p_box->data.p_padb->i_pad1 =
1663 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1666 for( i = 0; i < i_read / 2 ; i++ )
1668 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1669 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1670 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1671 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1673 p_peek += 1; i_read -= 1;
1677 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1681 MP4_READBOX_EXIT( 1 );
1684 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1686 FREENULL( p_box->data.p_padb->i_reserved1 );
1687 FREENULL( p_box->data.p_padb->i_pad2 );
1688 FREENULL( p_box->data.p_padb->i_reserved2 );
1689 FREENULL( p_box->data.p_padb->i_pad1 );
1692 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1696 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1698 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1701 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1703 p_box->data.p_elst->i_segment_duration =
1704 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1705 p_box->data.p_elst->i_media_time =
1706 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1707 p_box->data.p_elst->i_media_rate_integer =
1708 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1709 p_box->data.p_elst->i_media_rate_fraction=
1710 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1713 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1715 if( p_box->data.p_elst->i_version == 1 )
1718 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1720 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1725 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1727 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1728 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1731 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1732 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1736 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1737 (unsigned long)p_box->data.p_elst->i_entry_count );
1739 MP4_READBOX_EXIT( 1 );
1742 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1744 FREENULL( p_box->data.p_elst->i_segment_duration );
1745 FREENULL( p_box->data.p_elst->i_media_time );
1746 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1747 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1750 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1752 unsigned int i_language;
1755 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1757 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1759 i_language = GetWBE( p_peek );
1760 for( i = 0; i < 3; i++ )
1762 p_box->data.p_cprt->i_language[i] =
1763 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1765 p_peek += 2; i_read -= 2;
1766 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1769 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1770 p_box->data.p_cprt->i_language[0],
1771 p_box->data.p_cprt->i_language[1],
1772 p_box->data.p_cprt->i_language[2],
1773 p_box->data.p_cprt->psz_notice );
1776 MP4_READBOX_EXIT( 1 );
1779 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1781 FREENULL( p_box->data.p_cprt->psz_notice );
1785 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1787 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1789 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1792 "read box: \"dcom\" compression algorithm : %4.4s",
1793 (char*)&p_box->data.p_dcom->i_algorithm );
1795 MP4_READBOX_EXIT( 1 );
1798 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1800 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1802 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1804 p_box->data.p_cmvd->i_compressed_size = i_read;
1806 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1808 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1812 /* now copy compressed data */
1813 memcpy( p_box->data.p_cmvd->p_data,
1817 p_box->data.p_cmvd->b_compressed = 1;
1820 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1821 p_box->data.p_cmvd->i_compressed_size );
1824 MP4_READBOX_EXIT( 1 );
1826 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1828 FREENULL( p_box->data.p_cmvd->p_data );
1832 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1838 stream_t *p_stream_memory;
1844 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1846 msg_Err( p_stream, "out of memory" );
1849 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1851 if( !p_box->p_father ||
1852 ( p_box->p_father->i_type != FOURCC_moov &&
1853 p_box->p_father->i_type != FOURCC_foov ) )
1855 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1859 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1864 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1865 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1866 p_cmvd->data.p_cmvd->p_data == NULL )
1868 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1872 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1874 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1875 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1880 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1884 /* decompress data */
1885 /* allocate a new buffer */
1886 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1888 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1889 "uncompress data" );
1892 /* init default structures */
1893 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1894 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1895 z_data.next_out = p_data;
1896 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1897 z_data.zalloc = (alloc_func)Z_NULL;
1898 z_data.zfree = (free_func)Z_NULL;
1899 z_data.opaque = (voidpf)Z_NULL;
1902 if( inflateInit( &z_data ) != Z_OK )
1904 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1910 i_result = inflate( &z_data, Z_NO_FLUSH );
1911 if( i_result != Z_OK && i_result != Z_STREAM_END )
1913 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1918 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1920 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1923 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1926 if( inflateEnd( &z_data ) != Z_OK )
1928 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1932 free( p_cmvd->data.p_cmvd->p_data );
1933 p_cmvd->data.p_cmvd->p_data = p_data;
1934 p_cmvd->data.p_cmvd->b_compressed = 0;
1936 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1938 /* now create a memory stream */
1940 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1941 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1943 /* and read uncompressd moov */
1944 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1946 stream_Delete( p_stream_memory );
1949 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1952 return p_box->data.p_cmov->p_moov ? 1 : 0;
1953 #endif /* HAVE_ZLIB_H */
1956 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1959 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1961 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1962 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1963 MP4_GET4BYTES( i_len );
1967 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1968 for( i = 0; i < i_len; i++ )
1970 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1972 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1976 p_box->data.p_rdrf->psz_ref = NULL;
1981 "read box: \"rdrf\" type:%4.4s ref %s",
1982 (char*)&p_box->data.p_rdrf->i_ref_type,
1983 p_box->data.p_rdrf->psz_ref );
1985 MP4_READBOX_EXIT( 1 );
1988 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1990 FREENULL( p_box->data.p_rdrf->psz_ref );
1994 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1996 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1998 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2000 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2004 "read box: \"rmdr\" rate:%d",
2005 p_box->data.p_rmdr->i_rate );
2007 MP4_READBOX_EXIT( 1 );
2010 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2012 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2014 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2018 "read box: \"rmqu\" quality:%d",
2019 p_box->data.p_rmqu->i_quality );
2021 MP4_READBOX_EXIT( 1 );
2024 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2026 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2027 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2029 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2030 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2031 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2032 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2036 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2037 (char*)&p_box->data.p_rmvc->i_gestaltType,
2038 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2039 p_box->data.p_rmvc->i_checkType );
2042 MP4_READBOX_EXIT( 1 );
2045 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2047 MP4_Box_t *p_drms_box = p_box;
2049 MP4_READBOX_ENTER( uint8_t );
2053 p_drms_box = p_drms_box->p_father;
2054 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2056 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2058 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2059 p_box->i_type, p_peek, i_read );
2062 const char *psz_error;
2066 case -1: psz_error = "unimplemented"; break;
2067 case -2: psz_error = "invalid argument"; break;
2068 case -3: psz_error = "could not get system key"; break;
2069 case -4: psz_error = "could not get SCI data"; break;
2070 case -5: psz_error = "no user key found in SCI data"; break;
2071 case -6: psz_error = "invalid user key"; break;
2072 default: psz_error = "unknown error"; break;
2074 if MP4_BOX_TYPE_ASCII()
2075 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2076 (char *)&p_box->i_type, psz_error );
2078 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2079 (char *)&p_box->i_type+1, psz_error );
2081 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2082 p_drms_box->data.p_sample_soun->p_drms = NULL;
2086 MP4_READBOX_EXIT( 1 );
2089 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2091 uint16_t i_length, i_dummy;
2093 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2095 p_box->data.p_0xa9xxx->psz_text = NULL;
2097 MP4_GET2BYTES( i_length );
2101 MP4_GET2BYTES( i_dummy );
2102 if( i_length > i_read ) i_length = i_read;
2104 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2106 memcpy( p_box->data.p_0xa9xxx->psz_text,
2108 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2112 "read box: \"c%3.3s\" text=`%s'",
2113 ((char*)&p_box->i_type + 1),
2114 p_box->data.p_0xa9xxx->psz_text );
2119 /* try iTune/Quicktime format, rewind to start */
2120 p_peek -= 2; i_read += 2;
2121 // we are expecting a 'data' box
2122 uint32_t i_data_len;
2123 uint32_t i_data_tag;
2125 MP4_GET4BYTES( i_data_len );
2126 if( i_data_len > i_read ) i_data_len = i_read;
2127 MP4_GETFOURCC( i_data_tag );
2128 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2130 /* data box contains a version/flags field */
2132 uint32_t i_reserved;
2133 MP4_GET4BYTES( i_version );
2134 MP4_GET4BYTES( i_reserved );
2135 // version should be 0, flags should be 1 for text, 0 for data
2136 if( i_version == 0x00000001 )
2138 // the rest is the text
2140 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2142 memcpy( p_box->data.p_0xa9xxx->psz_text,
2143 p_peek, i_data_len );
2144 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2147 "read box: \"c%3.3s\" text=`%s'",
2148 ((char*)&p_box->i_type+1),
2149 p_box->data.p_0xa9xxx->psz_text );
2154 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2159 MP4_READBOX_EXIT( 1 );
2161 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2163 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2166 /* Chapter support */
2167 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2169 MP4_Box_data_chpl_t *p_chpl;
2172 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2174 p_chpl = p_box->data.p_chpl;
2176 MP4_GETVERSIONFLAGS( p_chpl );
2178 MP4_GET4BYTES( i_dummy );
2180 MP4_GET1BYTE( p_chpl->i_chapter );
2182 for( i = 0; i < p_chpl->i_chapter; i++ )
2187 MP4_GET8BYTES( i_start );
2188 MP4_GET1BYTE( i_len );
2190 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2191 i_copy = __MIN( i_len, i_read );
2193 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2194 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2195 p_chpl->chapter[i].i_start = i_start;
2200 /* Bubble sort by increasing start date */
2203 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2205 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2207 char *psz = p_chpl->chapter[i+1].psz_name;
2208 int64_t i64 = p_chpl->chapter[i+1].i_start;
2210 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2211 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2213 p_chpl->chapter[i].psz_name = psz;
2214 p_chpl->chapter[i].i_start = i64;
2223 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2224 p_chpl->i_chapter );
2226 MP4_READBOX_EXIT( 1 );
2228 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2230 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2232 for( i = 0; i < p_chpl->i_chapter; i++ )
2233 free( p_chpl->chapter[i].psz_name );
2236 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2239 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2241 p_box->data.p_tref_generic->i_track_ID = NULL;
2242 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2243 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2244 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2246 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2248 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2251 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2252 p_box->data.p_tref_generic->i_entry_count );
2255 MP4_READBOX_EXIT( 1 );
2257 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2259 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2262 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2264 uint8_t meta_data[8];
2265 int i_actually_read;
2267 // skip over box header
2268 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2269 if( i_actually_read < 8 )
2272 /* meta content starts with a 4 byte version/flags value (should be 0) */
2273 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2274 if( i_actually_read < 4 )
2277 /* then it behaves like a container */
2278 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2282 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2284 if( !p_box->p_father )
2288 if( p_box->p_father->i_type == FOURCC_stsd )
2290 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2293 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2294 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2298 switch( p_hdlr->data.p_hdlr->i_handler_type )
2301 return MP4_ReadBox_sample_soun( p_stream, p_box );
2303 return MP4_ReadBox_sample_vide( p_stream, p_box );
2305 return MP4_ReadBox_sample_text( p_stream, p_box );
2307 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2310 "unknown handler type in stsd (incompletely loaded)" );
2316 if MP4_BOX_TYPE_ASCII()
2318 "unknown box type %4.4s (incompletely loaded)",
2319 (char*)&p_box->i_type );
2322 "unknown box type c%3.3s (incompletely loaded)",
2323 (char*)&p_box->i_type+1 );
2328 /**** ------------------------------------------------------------------- ****/
2329 /**** "Higher level" Functions ****/
2330 /**** ------------------------------------------------------------------- ****/
2335 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2336 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2337 } MP4_Box_Function [] =
2340 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2341 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2342 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2343 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2344 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2345 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2346 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2347 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2348 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2349 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2350 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2351 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2352 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2353 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2354 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2355 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2356 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2359 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2360 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2361 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2362 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2363 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2364 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2365 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2366 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2367 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2368 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2369 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2370 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2371 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2372 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2373 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2374 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2375 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2376 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2377 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2378 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2379 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2380 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2381 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2382 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2383 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2384 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2385 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2386 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2387 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2389 /* Nothing to do with this box */
2390 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2391 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2392 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2393 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2396 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2397 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2398 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2399 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2400 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2401 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2402 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2403 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2404 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2405 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2406 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2407 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2408 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2409 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2410 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2411 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2412 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2413 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2414 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2415 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2416 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2417 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2418 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2420 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2421 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2422 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2423 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2424 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2425 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2426 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2427 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2428 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2429 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2430 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2431 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2432 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2433 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2434 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2435 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2436 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2437 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2438 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2439 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2440 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2441 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2442 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2444 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2445 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2447 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2448 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2449 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2450 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2451 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2453 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2454 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2456 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2457 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2459 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2461 /* XXX there is 2 box where we could find this entry stbl and tref*/
2462 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2464 /* found in tref box */
2465 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2466 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2467 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2468 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2471 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2474 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2475 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2476 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2477 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2479 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2480 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2481 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2482 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2483 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2484 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2485 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2486 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2489 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2490 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2491 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2492 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2493 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2494 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2495 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2496 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2497 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2498 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2499 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2500 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2501 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2502 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2503 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2504 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2505 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2506 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2507 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2508 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2509 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2510 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2511 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2512 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2513 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2515 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2517 /* iTunes/Quicktime meta info */
2518 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2521 { 0, MP4_ReadBox_default, NULL }
2526 /*****************************************************************************
2527 * MP4_ReadBox : parse the actual box and the children
2528 * XXX : Do not go to the next box
2529 *****************************************************************************/
2530 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2532 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2533 unsigned int i_index;
2535 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2537 msg_Warn( p_stream, "cannot read one box" );
2541 if( !p_box->i_size )
2543 msg_Dbg( p_stream, "found an empty box (null size)" );
2547 p_box->p_father = p_father;
2549 /* Now search function to call */
2550 for( i_index = 0; ; i_index++ )
2552 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2553 ( MP4_Box_Function[i_index].i_type == 0 ) )
2559 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2568 /*****************************************************************************
2569 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2571 *****************************************************************************/
2572 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2574 unsigned int i_index;
2582 for( p_child = p_box->p_first; p_child != NULL; )
2586 p_next = p_child->p_next;
2587 MP4_BoxFree( s, p_child );
2591 /* Now search function to call */
2592 if( p_box->data.p_data )
2594 for( i_index = 0; ; i_index++ )
2596 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2597 ( MP4_Box_Function[i_index].i_type == 0 ) )
2602 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2604 /* Should not happen */
2605 if MP4_BOX_TYPE_ASCII()
2607 "cannot free box %4.4s, type unknown",
2608 (char*)&p_box->i_type );
2611 "cannot free box c%3.3s, type unknown",
2612 (char*)&p_box->i_type+1 );
2616 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2619 free( p_box->data.p_data );
2625 /*****************************************************************************
2626 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2627 *****************************************************************************
2628 * The first box is a virtual box "root" and is the father for all first
2629 * level boxes for the file, a sort of virtual contener
2630 *****************************************************************************/
2631 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2637 p_root = malloc( sizeof( MP4_Box_t ) );
2639 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2640 p_root->i_shortsize = 1;
2641 p_root->i_size = stream_Size( s );
2642 CreateUUID( &p_root->i_uuid, p_root->i_type );
2644 p_root->data.p_data = NULL;
2645 p_root->p_father = NULL;
2646 p_root->p_first = NULL;
2647 p_root->p_last = NULL;
2648 p_root->p_next = NULL;
2652 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2660 /* check if there is a cmov, if so replace
2661 compressed moov by uncompressed one */
2662 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2663 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2664 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2665 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2667 /* rename the compressed moov as a box to skip */
2668 p_moov->i_type = FOURCC_skip;
2670 /* get uncompressed p_moov */
2671 p_moov = p_cmov->data.p_cmov->p_moov;
2672 p_cmov->data.p_cmov->p_moov = NULL;
2674 /* make p_root father of this new moov */
2675 p_moov->p_father = p_root;
2677 /* insert this new moov box as first child of p_root */
2678 p_moov->p_next = p_child = p_root->p_first;
2679 p_root->p_first = p_moov;
2687 static void __MP4_BoxDumpStructure( stream_t *s,
2688 MP4_Box_t *p_box, unsigned int i_level )
2694 if MP4_BOX_TYPE_ASCII()
2695 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2696 (char*)&p_box->i_type );
2698 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2699 (char*)&p_box->i_type+1 );
2705 memset( str, (uint8_t)' ', 512 );
2706 for( i = 0; i < i_level; i++ )
2710 if MP4_BOX_TYPE_ASCII()
2711 sprintf( str + i_level * 5, "+ %4.4s size %d",
2712 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2714 sprintf( str + i_level * 5, "+ c%3.3s size %d",
2715 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2716 msg_Dbg( s, "%s", str );
2718 p_child = p_box->p_first;
2721 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2722 p_child = p_child->p_next;
2726 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2728 __MP4_BoxDumpStructure( s, p_box, 0 );
2733 /*****************************************************************************
2734 *****************************************************************************
2736 ** High level methods to acces an MP4 file
2738 *****************************************************************************
2739 *****************************************************************************/
2740 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2743 if( !*ppsz_path[0] )
2750 while( (*ppsz_path)[i_len] &&
2751 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2755 if( !i_len && **ppsz_path == '/' )
2759 *ppsz_token = malloc( i_len + 1 );
2761 memcpy( *ppsz_token, *ppsz_path, i_len );
2763 (*ppsz_token)[i_len] = '\0';
2765 *ppsz_path += i_len;
2767 if( **ppsz_path == '[' )
2770 *pi_number = strtol( *ppsz_path, NULL, 10 );
2771 while( **ppsz_path && **ppsz_path != ']' )
2775 if( **ppsz_path == ']' )
2784 while( **ppsz_path == '/' )
2790 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2791 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2802 vasprintf( &psz_path, psz_fmt, args );
2804 if( !psz_path || !psz_path[0] )
2806 FREENULL( psz_path );
2811 // fprintf( stderr, "path:'%s'\n", psz_path );
2812 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2818 __get_token( &psz_path, &psz_token, &i_number );
2819 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2820 // psz_path,psz_token,i_number );
2823 FREENULL( psz_token );
2829 if( !strcmp( psz_token, "/" ) )
2832 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2834 p_box = p_box->p_father;
2845 if( !strcmp( psz_token, "." ) )
2850 if( !strcmp( psz_token, ".." ) )
2852 p_box = p_box->p_father;
2862 if( strlen( psz_token ) == 4 )
2865 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2866 psz_token[2], psz_token[3] );
2867 p_box = p_box->p_first;
2877 if( p_box->i_type == i_fourcc )
2885 p_box = p_box->p_next;
2889 if( strlen( psz_token ) == 0 )
2891 p_box = p_box->p_first;
2906 p_box = p_box->p_next;
2911 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2912 FREENULL( psz_token );
2922 /*****************************************************************************
2923 * MP4_BoxGet: find a box given a path relative to p_box
2924 *****************************************************************************
2925 * Path Format: . .. / as usual
2926 * [number] to specifie box number ex: trak[12]
2928 * ex: /moov/trak[12]
2930 *****************************************************************************/
2931 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2934 MP4_Box_t *p_result;
2936 va_start( args, psz_fmt );
2937 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2943 /*****************************************************************************
2944 * MP4_BoxCount: count box given a path relative to p_box
2945 *****************************************************************************
2946 * Path Format: . .. / as usual
2947 * [number] to specifie box number ex: trak[12]
2949 * ex: /moov/trak[12]
2951 *****************************************************************************/
2952 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2956 MP4_Box_t *p_result, *p_next;
2958 va_start( args, psz_fmt );
2959 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2967 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2969 if( p_next->i_type == p_result->i_type)