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 p_box->data.p_ftyp->i_compatible_brands =
381 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
383 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
385 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
390 p_box->data.p_ftyp->i_compatible_brands = NULL;
393 MP4_READBOX_EXIT( 1 );
396 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
398 FREENULL( p_box->data.p_ftyp->i_compatible_brands );
402 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
406 char s_creation_time[128];
407 char s_modification_time[128];
408 char s_duration[128];
410 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
412 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
414 if( p_box->data.p_mvhd->i_version )
416 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
417 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
418 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
419 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
424 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
425 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
426 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
428 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
429 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
430 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
433 for( i = 0; i < 2; i++ )
435 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
437 for( i = 0; i < 9; i++ )
439 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
441 for( i = 0; i < 6; i++ )
443 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
446 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
450 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
451 MP4_ConvertDate2Str( s_modification_time,
452 p_box->data.p_mvhd->i_modification_time );
453 if( p_box->data.p_mvhd->i_rate )
455 MP4_ConvertDate2Str( s_duration,
456 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
462 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
465 (uint32_t)p_box->data.p_mvhd->i_timescale,
467 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
468 (float)p_box->data.p_mvhd->i_volume / 256 ,
469 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
471 MP4_READBOX_EXIT( 1 );
474 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
478 char s_creation_time[128];
479 char s_modification_time[128];
480 char s_duration[128];
482 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
484 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
486 if( p_box->data.p_tkhd->i_version )
488 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
489 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
490 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
491 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
492 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
496 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
497 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
498 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
499 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
500 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
503 for( i = 0; i < 2; i++ )
505 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
507 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
508 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
509 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
510 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
512 for( i = 0; i < 9; i++ )
514 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
516 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
517 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
520 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
521 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
522 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
524 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
528 p_box->data.p_tkhd->i_track_ID,
529 p_box->data.p_tkhd->i_layer,
530 (float)p_box->data.p_tkhd->i_volume / 256 ,
531 (float)p_box->data.p_tkhd->i_width / 65536,
532 (float)p_box->data.p_tkhd->i_height / 65536 );
534 MP4_READBOX_EXIT( 1 );
538 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
543 char s_creation_time[128];
544 char s_modification_time[128];
545 char s_duration[128];
547 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
549 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
551 if( p_box->data.p_mdhd->i_version )
553 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
554 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
555 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
556 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
560 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
561 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
562 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
563 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
565 i_language = GetWBE( p_peek );
566 for( i = 0; i < 3; i++ )
568 p_box->data.p_mdhd->i_language[i] =
569 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
572 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
575 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
576 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
577 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
578 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
581 (uint32_t)p_box->data.p_mdhd->i_timescale,
583 p_box->data.p_mdhd->i_language[0],
584 p_box->data.p_mdhd->i_language[1],
585 p_box->data.p_mdhd->i_language[2] );
587 MP4_READBOX_EXIT( 1 );
591 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
596 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
598 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
600 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
601 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
603 MP4_GET4BYTES( i_reserved );
604 MP4_GET4BYTES( i_reserved );
605 MP4_GET4BYTES( i_reserved );
606 p_box->data.p_hdlr->psz_name = NULL;
610 uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
614 /* Yes, I love .mp4 :( */
615 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
620 MP4_GET1BYTE( i_len );
621 i_copy = __MIN( i_read, i_len );
623 memcpy( psz, p_peek, i_copy );
624 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
628 memcpy( psz, p_peek, i_read );
629 p_box->data.p_hdlr->psz_name[i_read] = '\0';
634 msg_Dbg( p_stream, "read box: \"hdlr\" handler type %4.4s name %s",
635 (char*)&p_box->data.p_hdlr->i_handler_type,
636 p_box->data.p_hdlr->psz_name );
642 MP4_READBOX_EXIT( code );
645 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
647 FREENULL( p_box->data.p_hdlr->psz_name );
650 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
654 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
656 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
658 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
659 for( i = 0; i < 3; i++ )
661 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
665 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
666 p_box->data.p_vmhd->i_graphics_mode,
667 p_box->data.p_vmhd->i_opcolor[0],
668 p_box->data.p_vmhd->i_opcolor[1],
669 p_box->data.p_vmhd->i_opcolor[2] );
671 MP4_READBOX_EXIT( 1 );
674 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
676 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
678 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
682 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
684 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
687 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
688 (float)p_box->data.p_smhd->i_balance / 256 );
690 MP4_READBOX_EXIT( 1 );
694 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
696 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
698 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
700 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
701 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
703 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
704 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
706 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
709 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
710 p_box->data.p_hmhd->i_max_PDU_size,
711 p_box->data.p_hmhd->i_avg_PDU_size,
712 p_box->data.p_hmhd->i_max_bitrate,
713 p_box->data.p_hmhd->i_avg_bitrate );
715 MP4_READBOX_EXIT( 1 );
718 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
720 MP4_READBOX_ENTER( MP4_Box_data_url_t );
722 MP4_GETVERSIONFLAGS( p_box->data.p_url );
723 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
726 msg_Dbg( p_stream, "read box: \"url\" url: %s",
727 p_box->data.p_url->psz_location );
730 MP4_READBOX_EXIT( 1 );
734 static void MP4_FreeBox_url( MP4_Box_t *p_box )
736 FREENULL( p_box->data.p_url->psz_location );
739 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
741 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
743 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
745 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
746 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
749 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
750 p_box->data.p_urn->psz_name,
751 p_box->data.p_urn->psz_location );
753 MP4_READBOX_EXIT( 1 );
755 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
757 FREENULL( p_box->data.p_urn->psz_name );
758 FREENULL( p_box->data.p_urn->psz_location );
762 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
764 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
766 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
768 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
770 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
771 MP4_ReadBoxContainerRaw( p_stream, p_box );
774 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
775 p_box->data.p_dref->i_entry_count );
778 MP4_READBOX_EXIT( 1 );
782 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
785 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
787 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
788 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
790 p_box->data.p_stts->i_sample_count =
791 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
792 p_box->data.p_stts->i_sample_delta =
793 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
795 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
797 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
798 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
802 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
803 p_box->data.p_stts->i_entry_count );
806 MP4_READBOX_EXIT( 1 );
809 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
811 FREENULL( p_box->data.p_stts->i_sample_count );
812 FREENULL( p_box->data.p_stts->i_sample_delta );
815 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
818 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
820 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
822 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
824 p_box->data.p_ctts->i_sample_count =
825 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
826 p_box->data.p_ctts->i_sample_offset =
827 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
829 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
831 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
832 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
836 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
837 p_box->data.p_ctts->i_entry_count );
840 MP4_READBOX_EXIT( 1 );
843 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
845 FREENULL( p_box->data.p_ctts->i_sample_count );
846 FREENULL( p_box->data.p_ctts->i_sample_offset );
849 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
852 unsigned int i_len = 0;
859 i_len = ( i_len << 7 ) + ( i_b&0x7f );
864 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
866 #define es_descriptor p_box->data.p_esds->es_descriptor
868 unsigned int i_flags;
871 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
873 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
876 MP4_GET1BYTE( i_type );
877 if( i_type == 0x03 ) /* MP4ESDescrTag */
879 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
882 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
886 MP4_GET2BYTES( es_descriptor.i_ES_ID );
887 MP4_GET1BYTE( i_flags );
888 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
889 es_descriptor.b_url = ( (i_flags&0x40) != 0);
890 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
892 es_descriptor.i_stream_priority = i_flags&0x1f;
893 if( es_descriptor.b_stream_dependence )
895 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
897 if( es_descriptor.b_url )
901 MP4_GET1BYTE( i_len );
902 es_descriptor.psz_URL = malloc( i_len + 1 );
903 if( es_descriptor.psz_URL )
905 memcpy( es_descriptor.psz_URL, p_peek, i_len );
906 es_descriptor.psz_URL[i_len] = 0;
913 es_descriptor.psz_URL = NULL;
915 if( es_descriptor.b_OCRstream )
917 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
919 MP4_GET1BYTE( i_type ); /* get next type */
922 if( i_type != 0x04)/* MP4DecConfigDescrTag */
924 es_descriptor.p_decConfigDescr = NULL;
925 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
928 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
931 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
935 es_descriptor.p_decConfigDescr =
936 malloc( sizeof( MP4_descriptor_decoder_config_t ));
938 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
939 MP4_GET1BYTE( i_flags );
940 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
941 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
942 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
943 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
944 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
945 MP4_GET1BYTE( i_type );
946 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
948 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
949 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
950 MP4_READBOX_EXIT( 1 );
953 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
956 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
960 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
961 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
962 if( es_descriptor.p_decConfigDescr->p_decoder_specific_info )
963 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
966 MP4_READBOX_EXIT( 1 );
971 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
973 FREENULL( p_box->data.p_esds->es_descriptor.psz_URL );
974 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
976 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
978 FREENULL( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
981 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
983 MP4_Box_data_avcC_t *p_avcC;
986 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
987 p_avcC = p_box->data.p_avcC;
989 p_avcC->i_avcC = i_read;
990 if( p_avcC->i_avcC > 0 )
992 uint8_t * p = p_avcC->p_avcC = malloc( p_avcC->i_avcC );
994 memcpy( p, p_peek, i_read );
997 MP4_GET1BYTE( p_avcC->i_version );
998 MP4_GET1BYTE( p_avcC->i_profile );
999 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
1000 MP4_GET1BYTE( p_avcC->i_level );
1001 MP4_GET1BYTE( p_avcC->i_reserved1 );
1002 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
1003 p_avcC->i_reserved1 >>= 2;
1005 MP4_GET1BYTE( p_avcC->i_reserved2 );
1006 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
1007 p_avcC->i_reserved2 >>= 5;
1009 if( p_avcC->i_sps > 0 )
1011 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
1012 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
1014 for( i = 0; i < p_avcC->i_sps; i++ )
1016 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
1017 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
1018 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
1020 p_peek += p_avcC->i_sps_length[i];
1021 i_read -= p_avcC->i_sps_length[i];
1025 MP4_GET1BYTE( p_avcC->i_pps );
1026 if( p_avcC->i_pps > 0 )
1028 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
1029 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
1031 for( i = 0; i < p_avcC->i_pps; i++ )
1033 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
1034 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
1035 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1037 p_peek += p_avcC->i_pps_length[i];
1038 i_read -= p_avcC->i_pps_length[i];
1043 "read box: \"avcC\" version=%d profile=0x%x level=0x%x length size=%d sps=%d pps=%d",
1044 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1045 p_avcC->i_length_size,
1046 p_avcC->i_sps, p_avcC->i_pps );
1047 for( i = 0; i < p_avcC->i_sps; i++ )
1049 msg_Dbg( p_stream, " - sps[%d] length=%d",
1050 i, p_avcC->i_sps_length[i] );
1052 for( i = 0; i < p_avcC->i_pps; i++ )
1054 msg_Dbg( p_stream, " - pps[%d] length=%d",
1055 i, p_avcC->i_pps_length[i] );
1059 MP4_READBOX_EXIT( 1 );
1062 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1064 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1067 if( p_avcC->i_avcC > 0 ) FREENULL( p_avcC->p_avcC );
1069 for( i = 0; i < p_avcC->i_sps; i++ )
1071 FREENULL( p_avcC->sps[i] );
1073 for( i = 0; i < p_avcC->i_pps; i++ )
1075 FREENULL( p_avcC->pps[i] );
1077 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->sps );
1078 if( p_avcC->i_sps > 0 ) FREENULL( p_avcC->i_sps_length );
1079 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->pps );
1080 if( p_avcC->i_pps > 0 ) FREENULL( p_avcC->i_pps_length );
1083 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1087 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1088 p_box->data.p_sample_soun->p_qt_description = NULL;
1090 /* Sanity check needed because the "wave" box does also contain an
1091 * "mp4a" box that we don't understand. */
1095 MP4_READBOX_EXIT( 1 );
1098 for( i = 0; i < 6 ; i++ )
1100 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1103 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1106 * XXX hack -> produce a copy of the nearly complete chunk
1110 p_box->data.p_sample_soun->i_qt_description = i_read;
1111 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1112 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1116 p_box->data.p_sample_soun->i_qt_description = 0;
1117 p_box->data.p_sample_soun->p_qt_description = NULL;
1120 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1121 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1122 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1124 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1125 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1126 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1127 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1128 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1129 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1131 if( p_box->data.p_sample_soun->i_qt_version == 1 && i_read >= 16 )
1133 /* SoundDescriptionV1 */
1134 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1135 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1136 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1137 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1141 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1142 "bytes/frame=%d bytes/sample=%d",
1143 p_box->data.p_sample_soun->i_sample_per_packet,
1144 p_box->data.p_sample_soun->i_bytes_per_packet,
1145 p_box->data.p_sample_soun->i_bytes_per_frame,
1146 p_box->data.p_sample_soun->i_bytes_per_sample );
1148 stream_Seek( p_stream, p_box->i_pos +
1149 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1151 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1153 /* SoundDescriptionV2 */
1154 double f_sample_rate;
1158 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1159 MP4_GET8BYTES( dummy );
1160 memcpy( &f_sample_rate, &dummy, 8 );
1162 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1163 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1164 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1166 MP4_GET4BYTES( i_channel );
1167 p_box->data.p_sample_soun->i_channelcount = i_channel;
1170 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1172 stream_Seek( p_stream, p_box->i_pos +
1173 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1177 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1178 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1179 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1180 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1182 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1184 stream_Seek( p_stream, p_box->i_pos +
1185 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1188 if( p_box->i_type == FOURCC_drms )
1190 p_box->data.p_sample_soun->p_drms =
1191 drms_alloc( p_stream->p_libvlc->psz_homedir );
1193 if( p_box->data.p_sample_soun->p_drms == NULL )
1195 msg_Err( p_stream, "drms_alloc() failed" );
1199 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1201 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1202 p_box->data.p_sample_soun->i_channelcount = 1;
1205 if( p_box->i_type == FOURCC_alac )
1207 if( p_box->data.p_sample_soun->p_qt_description )
1208 free( p_box->data.p_sample_soun->p_qt_description );
1210 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1211 p_box->data.p_sample_soun->i_qt_description = i_read;
1212 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1216 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1220 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1221 "sample size %d sample rate %f",
1222 p_box->data.p_sample_soun->i_channelcount,
1223 p_box->data.p_sample_soun->i_samplesize,
1224 (float)p_box->data.p_sample_soun->i_sampleratehi +
1225 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1228 MP4_READBOX_EXIT( 1 );
1232 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1234 FREENULL( p_box->data.p_sample_soun->p_qt_description );
1236 if( p_box->i_type == FOURCC_drms )
1238 if( p_box->data.p_sample_soun->p_drms )
1240 drms_free( p_box->data.p_sample_soun->p_drms );
1246 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1250 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1252 for( i = 0; i < 6 ; i++ )
1254 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1257 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1260 * XXX hack -> produce a copy of the nearly complete chunk
1264 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1265 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1266 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1271 p_box->data.p_sample_vide->i_qt_image_description = 0;
1272 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1275 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1276 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1277 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1279 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1280 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1282 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1283 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1285 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1286 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1288 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1289 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1291 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1292 p_peek += 32; i_read -= 32;
1294 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1295 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1297 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1298 MP4_ReadBoxContainerRaw( p_stream, p_box );
1301 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1302 p_box->data.p_sample_vide->i_width,
1303 p_box->data.p_sample_vide->i_height,
1304 p_box->data.p_sample_vide->i_depth );
1307 MP4_READBOX_EXIT( 1 );
1311 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1313 FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
1316 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1318 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1319 MP4_ReadBoxContainerRaw( p_stream, p_box );
1323 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1327 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1329 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1330 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1332 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1334 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1339 /* FIXME search right signification */
1341 p_box->data.p_sample_text->i_justification_horizontal = 1;
1342 p_box->data.p_sample_text->i_justification_vertical = 1;
1344 case -1: // Flush Right
1345 p_box->data.p_sample_text->i_justification_horizontal = -1;
1346 p_box->data.p_sample_text->i_justification_vertical = -1;
1348 case -2: // Flush Left
1349 p_box->data.p_sample_text->i_justification_horizontal = 0;
1350 p_box->data.p_sample_text->i_justification_vertical = 0;
1352 case 0: // Flush Default
1354 p_box->data.p_sample_text->i_justification_horizontal = 1;
1355 p_box->data.p_sample_text->i_justification_vertical = -1;
1359 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1360 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1361 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1362 p_box->data.p_sample_text->i_background_color[3] = 0;
1364 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1365 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1366 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1367 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1370 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1372 MP4_READBOX_EXIT( 1 );
1375 static int MP4_ReadBox_sample_tx3g( stream_t *p_stream, MP4_Box_t *p_box )
1377 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1379 MP4_GET4BYTES( p_box->data.p_sample_text->i_reserved1 );
1380 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved2 );
1382 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1384 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1386 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_horizontal );
1387 MP4_GET1BYTE ( p_box->data.p_sample_text->i_justification_vertical );
1389 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[0] );
1390 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[1] );
1391 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[2] );
1392 MP4_GET1BYTE ( p_box->data.p_sample_text->i_background_color[3] );
1394 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_top );
1395 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_left );
1396 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_bottom );
1397 MP4_GET2BYTES( p_box->data.p_sample_text->i_text_box_right );
1400 msg_Dbg( p_stream, "read box: \"text\" in stsd text" );
1402 MP4_READBOX_EXIT( 1 );
1407 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1408 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1410 FREENULL( p_box->data.p_sample_text->psz_text_name );
1415 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1418 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1420 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1422 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1424 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1426 MP4_ReadBoxContainerRaw( p_stream, p_box );
1429 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1430 p_box->data.p_stsd->i_entry_count );
1433 MP4_READBOX_EXIT( 1 );
1437 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1441 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1443 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1445 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1447 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1449 p_box->data.p_stsz->i_entry_size =
1450 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1452 if( !p_box->data.p_stsz->i_sample_size )
1454 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1456 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1461 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1462 p_box->data.p_stsz->i_sample_size,
1463 p_box->data.p_stsz->i_sample_count );
1466 MP4_READBOX_EXIT( 1 );
1469 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1471 FREENULL( p_box->data.p_stsz->i_entry_size );
1474 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1478 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1480 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1482 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1484 p_box->data.p_stsc->i_first_chunk =
1485 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1486 p_box->data.p_stsc->i_samples_per_chunk =
1487 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1488 p_box->data.p_stsc->i_sample_description_index =
1489 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1491 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1493 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1494 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1495 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1499 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1500 p_box->data.p_stsc->i_entry_count );
1503 MP4_READBOX_EXIT( 1 );
1506 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1508 FREENULL( p_box->data.p_stsc->i_first_chunk );
1509 FREENULL( p_box->data.p_stsc->i_samples_per_chunk );
1510 FREENULL( p_box->data.p_stsc->i_sample_description_index );
1513 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1517 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1519 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1521 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1523 p_box->data.p_co64->i_chunk_offset =
1524 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1526 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1528 if( p_box->i_type == FOURCC_stco )
1534 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1542 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1547 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1548 p_box->data.p_co64->i_entry_count );
1551 MP4_READBOX_EXIT( 1 );
1554 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1556 FREENULL( p_box->data.p_co64->i_chunk_offset );
1559 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1563 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1565 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1567 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1569 p_box->data.p_stss->i_sample_number =
1570 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1572 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1575 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1576 /* XXX in libmp4 sample begin at 0 */
1577 p_box->data.p_stss->i_sample_number[i]--;
1581 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1582 p_box->data.p_stss->i_entry_count );
1585 MP4_READBOX_EXIT( 1 );
1588 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1590 FREENULL( p_box->data.p_stss->i_sample_number );
1593 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1597 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1599 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1602 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1604 p_box->data.p_stsh->i_shadowed_sample_number =
1605 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1607 p_box->data.p_stsh->i_sync_sample_number =
1608 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1611 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1614 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1615 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1619 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1620 p_box->data.p_stsh->i_entry_count );
1622 MP4_READBOX_EXIT( 1 );
1625 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1627 FREENULL( p_box->data.p_stsh->i_shadowed_sample_number );
1628 FREENULL( p_box->data.p_stsh->i_sync_sample_number );
1632 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1636 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1638 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1640 p_box->data.p_stdp->i_priority =
1641 calloc( sizeof( uint16_t ), i_read / 2 );
1643 for( i = 0; i < i_read / 2 ; i++ )
1646 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1650 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1654 MP4_READBOX_EXIT( 1 );
1657 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1659 FREENULL( p_box->data.p_stdp->i_priority );
1662 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1666 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1668 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1671 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1673 p_box->data.p_padb->i_reserved1 =
1674 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1675 p_box->data.p_padb->i_pad2 =
1676 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1677 p_box->data.p_padb->i_reserved2 =
1678 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1679 p_box->data.p_padb->i_pad1 =
1680 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1683 for( i = 0; i < i_read / 2 ; i++ )
1685 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1686 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1687 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1688 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1690 p_peek += 1; i_read -= 1;
1694 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1698 MP4_READBOX_EXIT( 1 );
1701 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1703 FREENULL( p_box->data.p_padb->i_reserved1 );
1704 FREENULL( p_box->data.p_padb->i_pad2 );
1705 FREENULL( p_box->data.p_padb->i_reserved2 );
1706 FREENULL( p_box->data.p_padb->i_pad1 );
1709 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1713 MP4_READBOX_ENTER( MP4_Box_data_elst_t );
1715 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1718 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1720 p_box->data.p_elst->i_segment_duration =
1721 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1722 p_box->data.p_elst->i_media_time =
1723 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1724 p_box->data.p_elst->i_media_rate_integer =
1725 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1726 p_box->data.p_elst->i_media_rate_fraction=
1727 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1730 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1732 if( p_box->data.p_elst->i_version == 1 )
1735 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1737 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1742 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1744 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1745 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1748 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1749 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1753 msg_Dbg( p_stream, "read box: \"elst\" entry-count %lu",
1754 (unsigned long)p_box->data.p_elst->i_entry_count );
1756 MP4_READBOX_EXIT( 1 );
1759 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1761 FREENULL( p_box->data.p_elst->i_segment_duration );
1762 FREENULL( p_box->data.p_elst->i_media_time );
1763 FREENULL( p_box->data.p_elst->i_media_rate_integer );
1764 FREENULL( p_box->data.p_elst->i_media_rate_fraction );
1767 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1769 unsigned int i_language;
1772 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1774 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1776 i_language = GetWBE( p_peek );
1777 for( i = 0; i < 3; i++ )
1779 p_box->data.p_cprt->i_language[i] =
1780 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1782 p_peek += 2; i_read -= 2;
1783 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1786 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1787 p_box->data.p_cprt->i_language[0],
1788 p_box->data.p_cprt->i_language[1],
1789 p_box->data.p_cprt->i_language[2],
1790 p_box->data.p_cprt->psz_notice );
1793 MP4_READBOX_EXIT( 1 );
1796 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1798 FREENULL( p_box->data.p_cprt->psz_notice );
1802 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1804 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1806 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1809 "read box: \"dcom\" compression algorithm : %4.4s",
1810 (char*)&p_box->data.p_dcom->i_algorithm );
1812 MP4_READBOX_EXIT( 1 );
1815 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1817 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1819 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1821 p_box->data.p_cmvd->i_compressed_size = i_read;
1823 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1825 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1829 /* now copy compressed data */
1830 memcpy( p_box->data.p_cmvd->p_data,
1834 p_box->data.p_cmvd->b_compressed = 1;
1837 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1838 p_box->data.p_cmvd->i_compressed_size );
1841 MP4_READBOX_EXIT( 1 );
1843 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1845 FREENULL( p_box->data.p_cmvd->p_data );
1849 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1855 stream_t *p_stream_memory;
1861 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1863 msg_Err( p_stream, "out of memory" );
1866 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1868 if( !p_box->p_father ||
1869 ( p_box->p_father->i_type != FOURCC_moov &&
1870 p_box->p_father->i_type != FOURCC_foov ) )
1872 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1876 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1881 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1882 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1883 p_cmvd->data.p_cmvd->p_data == NULL )
1885 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1889 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1891 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1892 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1897 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1901 /* decompress data */
1902 /* allocate a new buffer */
1903 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1905 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1906 "uncompress data" );
1909 /* init default structures */
1910 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1911 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1912 z_data.next_out = p_data;
1913 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1914 z_data.zalloc = (alloc_func)Z_NULL;
1915 z_data.zfree = (free_func)Z_NULL;
1916 z_data.opaque = (voidpf)Z_NULL;
1919 if( inflateInit( &z_data ) != Z_OK )
1921 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1927 i_result = inflate( &z_data, Z_NO_FLUSH );
1928 if( i_result != Z_OK && i_result != Z_STREAM_END )
1930 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1935 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1937 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1940 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1943 if( inflateEnd( &z_data ) != Z_OK )
1945 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1949 free( p_cmvd->data.p_cmvd->p_data );
1950 p_cmvd->data.p_cmvd->p_data = p_data;
1951 p_cmvd->data.p_cmvd->b_compressed = 0;
1953 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1955 /* now create a memory stream */
1957 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1958 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1960 /* and read uncompressd moov */
1961 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1963 stream_Delete( p_stream_memory );
1966 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1969 return p_box->data.p_cmov->p_moov ? 1 : 0;
1970 #endif /* HAVE_ZLIB_H */
1973 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1976 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1978 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1979 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1980 MP4_GET4BYTES( i_len );
1984 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1985 for( i = 0; i < i_len; i++ )
1987 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1989 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1993 p_box->data.p_rdrf->psz_ref = NULL;
1998 "read box: \"rdrf\" type:%4.4s ref %s",
1999 (char*)&p_box->data.p_rdrf->i_ref_type,
2000 p_box->data.p_rdrf->psz_ref );
2002 MP4_READBOX_EXIT( 1 );
2005 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
2007 FREENULL( p_box->data.p_rdrf->psz_ref );
2011 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
2013 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
2015 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
2017 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
2021 "read box: \"rmdr\" rate:%d",
2022 p_box->data.p_rmdr->i_rate );
2024 MP4_READBOX_EXIT( 1 );
2027 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
2029 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
2031 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
2035 "read box: \"rmqu\" quality:%d",
2036 p_box->data.p_rmqu->i_quality );
2038 MP4_READBOX_EXIT( 1 );
2041 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
2043 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
2044 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
2046 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
2047 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
2048 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
2049 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
2053 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
2054 (char*)&p_box->data.p_rmvc->i_gestaltType,
2055 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
2056 p_box->data.p_rmvc->i_checkType );
2059 MP4_READBOX_EXIT( 1 );
2062 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
2064 MP4_Box_t *p_drms_box = p_box;
2066 MP4_READBOX_ENTER( uint8_t );
2070 p_drms_box = p_drms_box->p_father;
2071 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
2073 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
2075 int i_ret = drms_init( p_drms_box->data.p_sample_soun->p_drms,
2076 p_box->i_type, p_peek, i_read );
2079 const char *psz_error;
2083 case -1: psz_error = "unimplemented"; break;
2084 case -2: psz_error = "invalid argument"; break;
2085 case -3: psz_error = "could not get system key"; break;
2086 case -4: psz_error = "could not get SCI data"; break;
2087 case -5: psz_error = "no user key found in SCI data"; break;
2088 case -6: psz_error = "invalid user key"; break;
2089 default: psz_error = "unknown error"; break;
2091 if MP4_BOX_TYPE_ASCII()
2092 msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
2093 (char *)&p_box->i_type, psz_error );
2095 msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
2096 (char *)&p_box->i_type+1, psz_error );
2098 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2099 p_drms_box->data.p_sample_soun->p_drms = NULL;
2103 MP4_READBOX_EXIT( 1 );
2106 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2108 uint16_t i_length, i_dummy;
2110 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2112 p_box->data.p_0xa9xxx->psz_text = NULL;
2114 MP4_GET2BYTES( i_length );
2118 MP4_GET2BYTES( i_dummy );
2119 if( i_length > i_read ) i_length = i_read;
2121 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2123 memcpy( p_box->data.p_0xa9xxx->psz_text,
2125 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2129 "read box: \"c%3.3s\" text=`%s'",
2130 ((char*)&p_box->i_type + 1),
2131 p_box->data.p_0xa9xxx->psz_text );
2136 /* try iTune/Quicktime format, rewind to start */
2137 p_peek -= 2; i_read += 2;
2138 // we are expecting a 'data' box
2139 uint32_t i_data_len;
2140 uint32_t i_data_tag;
2142 MP4_GET4BYTES( i_data_len );
2143 if( i_data_len > i_read ) i_data_len = i_read;
2144 MP4_GETFOURCC( i_data_tag );
2145 if( (i_data_len > 0) && (i_data_tag == VLC_FOURCC('d', 'a', 't', 'a')) )
2147 /* data box contains a version/flags field */
2149 uint32_t i_reserved;
2150 MP4_GET4BYTES( i_version );
2151 MP4_GET4BYTES( i_reserved );
2152 // version should be 0, flags should be 1 for text, 0 for data
2153 if( i_version == 0x00000001 )
2155 // the rest is the text
2157 p_box->data.p_0xa9xxx->psz_text = malloc( i_data_len + 1 );
2159 memcpy( p_box->data.p_0xa9xxx->psz_text,
2160 p_peek, i_data_len );
2161 p_box->data.p_0xa9xxx->psz_text[i_data_len] = '\0';
2164 "read box: \"c%3.3s\" text=`%s'",
2165 ((char*)&p_box->i_type+1),
2166 p_box->data.p_0xa9xxx->psz_text );
2171 // TODO: handle data values for ID3 tag values, track num or cover art,etc...
2176 MP4_READBOX_EXIT( 1 );
2178 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2180 FREENULL( p_box->data.p_0xa9xxx->psz_text );
2183 /* Chapter support */
2184 static int MP4_ReadBox_chpl( stream_t *p_stream, MP4_Box_t *p_box )
2186 MP4_Box_data_chpl_t *p_chpl;
2189 MP4_READBOX_ENTER( MP4_Box_data_chpl_t );
2191 p_chpl = p_box->data.p_chpl;
2193 MP4_GETVERSIONFLAGS( p_chpl );
2195 MP4_GET4BYTES( i_dummy );
2197 MP4_GET1BYTE( p_chpl->i_chapter );
2199 for( i = 0; i < p_chpl->i_chapter; i++ )
2204 MP4_GET8BYTES( i_start );
2205 MP4_GET1BYTE( i_len );
2207 p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
2208 i_copy = __MIN( i_len, i_read );
2210 memcpy( p_chpl->chapter[i].psz_name, p_peek, i_copy );
2211 p_chpl->chapter[i].psz_name[i_copy] = '\0';
2212 p_chpl->chapter[i].i_start = i_start;
2217 /* Bubble sort by increasing start date */
2220 for( i = 0; i < p_chpl->i_chapter - 1; i++ )
2222 if( p_chpl->chapter[i].i_start > p_chpl->chapter[i+1].i_start )
2224 char *psz = p_chpl->chapter[i+1].psz_name;
2225 int64_t i64 = p_chpl->chapter[i+1].i_start;
2227 p_chpl->chapter[i+1].psz_name = p_chpl->chapter[i].psz_name;
2228 p_chpl->chapter[i+1].i_start = p_chpl->chapter[i].i_start;
2230 p_chpl->chapter[i].psz_name = psz;
2231 p_chpl->chapter[i].i_start = i64;
2240 msg_Dbg( p_stream, "read box: \"chpl\" %d chapters",
2241 p_chpl->i_chapter );
2243 MP4_READBOX_EXIT( 1 );
2245 static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
2247 MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
2249 for( i = 0; i < p_chpl->i_chapter; i++ )
2250 free( p_chpl->chapter[i].psz_name );
2253 static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
2256 MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
2258 p_box->data.p_tref_generic->i_track_ID = NULL;
2259 p_box->data.p_tref_generic->i_entry_count = i_read / sizeof(uint32_t);
2260 if( p_box->data.p_tref_generic->i_entry_count > 0 )
2261 p_box->data.p_tref_generic->i_track_ID = malloc( p_box->data.p_tref_generic->i_entry_count * sizeof(uint32_t) );
2263 for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
2265 MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
2268 msg_Dbg( p_stream, "read box: \"chap\" %d references",
2269 p_box->data.p_tref_generic->i_entry_count );
2272 MP4_READBOX_EXIT( 1 );
2274 static void MP4_FreeBox_tref_generic( MP4_Box_t *p_box )
2276 FREENULL( p_box->data.p_tref_generic->i_track_ID );
2279 static int MP4_ReadBox_meta( stream_t *p_stream, MP4_Box_t *p_box )
2281 uint8_t meta_data[8];
2282 int i_actually_read;
2284 // skip over box header
2285 i_actually_read = stream_Read( p_stream, meta_data, 8 );
2286 if( i_actually_read < 8 )
2289 /* meta content starts with a 4 byte version/flags value (should be 0) */
2290 i_actually_read = stream_Read( p_stream, meta_data, 4 );
2291 if( i_actually_read < 4 )
2294 /* then it behaves like a container */
2295 return MP4_ReadBoxContainerRaw( p_stream, p_box );
2299 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2301 if( !p_box->p_father )
2305 if( p_box->p_father->i_type == FOURCC_stsd )
2307 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2310 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2311 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2315 switch( p_hdlr->data.p_hdlr->i_handler_type )
2318 return MP4_ReadBox_sample_soun( p_stream, p_box );
2320 return MP4_ReadBox_sample_vide( p_stream, p_box );
2322 return MP4_ReadBox_sample_text( p_stream, p_box );
2324 return MP4_ReadBox_sample_tx3g( p_stream, p_box );
2327 "unknown handler type in stsd (incompletely loaded)" );
2333 if MP4_BOX_TYPE_ASCII()
2335 "unknown box type %4.4s (incompletely loaded)",
2336 (char*)&p_box->i_type );
2339 "unknown box type c%3.3s (incompletely loaded)",
2340 (char*)&p_box->i_type+1 );
2345 /**** ------------------------------------------------------------------- ****/
2346 /**** "Higher level" Functions ****/
2347 /**** ------------------------------------------------------------------- ****/
2352 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2353 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2354 } MP4_Box_Function [] =
2357 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2358 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2359 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2360 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2361 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2362 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2363 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2364 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2365 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2366 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2367 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2368 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2369 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2370 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2371 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2372 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2373 { FOURCC_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2376 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2377 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2378 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2379 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2380 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2381 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2382 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2383 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2384 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2385 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2386 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2387 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2388 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2389 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2390 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2391 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2392 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2393 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2394 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2395 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2396 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2397 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2398 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2399 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2400 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2401 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2402 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2403 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2404 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2406 /* Nothing to do with this box */
2407 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2408 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2409 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2410 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2413 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2414 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2415 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2416 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2417 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2418 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2419 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2420 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2421 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2422 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2423 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2424 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2425 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2426 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2427 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2428 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2429 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2430 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2431 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2432 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2433 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2434 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2435 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2437 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2438 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2439 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2440 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2441 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2442 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2443 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2444 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2445 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2446 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2447 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2448 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2449 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2450 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2451 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2452 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2453 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2454 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2455 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2456 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2457 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2458 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2459 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2461 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2462 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2464 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2465 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2466 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2467 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2468 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2470 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2471 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2473 { FOURCC_yv12, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2474 { FOURCC_yuv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2476 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2478 /* XXX there is 2 box where we could find this entry stbl and tref*/
2479 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2481 /* found in tref box */
2482 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2483 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2484 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2485 { FOURCC_chap, MP4_ReadBox_tref_generic, MP4_FreeBox_tref_generic },
2488 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2491 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2492 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2493 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2494 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2496 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2497 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2498 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2499 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2500 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2501 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2502 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2503 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2506 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2507 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2508 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2509 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2510 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2511 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2512 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2513 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2514 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2515 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2516 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2517 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2518 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2519 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2520 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2521 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2522 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2523 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2524 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2525 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2526 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2527 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2528 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2529 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2530 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2532 { FOURCC_chpl, MP4_ReadBox_chpl, MP4_FreeBox_chpl },
2534 /* iTunes/Quicktime meta info */
2535 { FOURCC_meta, MP4_ReadBox_meta, MP4_FreeBox_Common },
2538 { 0, MP4_ReadBox_default, NULL }
2543 /*****************************************************************************
2544 * MP4_ReadBox : parse the actual box and the children
2545 * XXX : Do not go to the next box
2546 *****************************************************************************/
2547 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2549 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2550 unsigned int i_index;
2552 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2554 msg_Warn( p_stream, "cannot read one box" );
2558 if( !p_box->i_size )
2560 msg_Dbg( p_stream, "found an empty box (null size)" );
2564 p_box->p_father = p_father;
2566 /* Now search function to call */
2567 for( i_index = 0; ; i_index++ )
2569 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2570 ( MP4_Box_Function[i_index].i_type == 0 ) )
2576 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2585 /*****************************************************************************
2586 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2588 *****************************************************************************/
2589 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2591 unsigned int i_index;
2599 for( p_child = p_box->p_first; p_child != NULL; )
2603 p_next = p_child->p_next;
2604 MP4_BoxFree( s, p_child );
2608 /* Now search function to call */
2609 if( p_box->data.p_data )
2611 for( i_index = 0; ; i_index++ )
2613 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2614 ( MP4_Box_Function[i_index].i_type == 0 ) )
2619 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2621 /* Should not happen */
2622 if MP4_BOX_TYPE_ASCII()
2624 "cannot free box %4.4s, type unknown",
2625 (char*)&p_box->i_type );
2628 "cannot free box c%3.3s, type unknown",
2629 (char*)&p_box->i_type+1 );
2633 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2636 free( p_box->data.p_data );
2642 /*****************************************************************************
2643 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2644 *****************************************************************************
2645 * The first box is a virtual box "root" and is the father for all first
2646 * level boxes for the file, a sort of virtual contener
2647 *****************************************************************************/
2648 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2654 p_root = malloc( sizeof( MP4_Box_t ) );
2656 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2657 p_root->i_shortsize = 1;
2658 p_root->i_size = stream_Size( s );
2659 CreateUUID( &p_root->i_uuid, p_root->i_type );
2661 p_root->data.p_data = NULL;
2662 p_root->p_father = NULL;
2663 p_root->p_first = NULL;
2664 p_root->p_last = NULL;
2665 p_root->p_next = NULL;
2669 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2677 /* check if there is a cmov, if so replace
2678 compressed moov by uncompressed one */
2679 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2680 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2681 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2682 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2684 /* rename the compressed moov as a box to skip */
2685 p_moov->i_type = FOURCC_skip;
2687 /* get uncompressed p_moov */
2688 p_moov = p_cmov->data.p_cmov->p_moov;
2689 p_cmov->data.p_cmov->p_moov = NULL;
2691 /* make p_root father of this new moov */
2692 p_moov->p_father = p_root;
2694 /* insert this new moov box as first child of p_root */
2695 p_moov->p_next = p_child = p_root->p_first;
2696 p_root->p_first = p_moov;
2704 static void __MP4_BoxDumpStructure( stream_t *s,
2705 MP4_Box_t *p_box, unsigned int i_level )
2711 if MP4_BOX_TYPE_ASCII()
2712 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2713 (char*)&p_box->i_type );
2715 msg_Dbg( s, "dumping root Box \"c%3.3s\"",
2716 (char*)&p_box->i_type+1 );
2722 memset( str, (uint8_t)' ', 512 );
2723 for( i = 0; i < i_level; i++ )
2727 if MP4_BOX_TYPE_ASCII()
2728 sprintf( str + i_level * 5, "+ %4.4s size %d",
2729 (char*)&p_box->i_type, (uint32_t)p_box->i_size );
2731 sprintf( str + i_level * 5, "+ c%3.3s size %d",
2732 (char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
2733 msg_Dbg( s, "%s", str );
2735 p_child = p_box->p_first;
2738 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2739 p_child = p_child->p_next;
2743 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2745 __MP4_BoxDumpStructure( s, p_box, 0 );
2750 /*****************************************************************************
2751 *****************************************************************************
2753 ** High level methods to acces an MP4 file
2755 *****************************************************************************
2756 *****************************************************************************/
2757 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2760 if( !*ppsz_path[0] )
2767 while( (*ppsz_path)[i_len] &&
2768 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2772 if( !i_len && **ppsz_path == '/' )
2776 *ppsz_token = malloc( i_len + 1 );
2778 memcpy( *ppsz_token, *ppsz_path, i_len );
2780 (*ppsz_token)[i_len] = '\0';
2782 *ppsz_path += i_len;
2784 if( **ppsz_path == '[' )
2787 *pi_number = strtol( *ppsz_path, NULL, 10 );
2788 while( **ppsz_path && **ppsz_path != ']' )
2792 if( **ppsz_path == ']' )
2801 while( **ppsz_path == '/' )
2807 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2808 MP4_Box_t *p_box, const char *psz_fmt, va_list args)
2819 if( vasprintf( &psz_path, psz_fmt, args ) == -1 )
2822 if( !psz_path || !psz_path[0] )
2824 FREENULL( psz_path );
2829 // fprintf( stderr, "path:'%s'\n", psz_path );
2830 psz_dup = psz_path; /* keep this pointer, as it need to be unallocated */
2836 __get_token( &psz_path, &psz_token, &i_number );
2837 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2838 // psz_path,psz_token,i_number );
2841 FREENULL( psz_token );
2847 if( !strcmp( psz_token, "/" ) )
2850 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2852 p_box = p_box->p_father;
2863 if( !strcmp( psz_token, "." ) )
2868 if( !strcmp( psz_token, ".." ) )
2870 p_box = p_box->p_father;
2880 if( strlen( psz_token ) == 4 )
2883 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2884 psz_token[2], psz_token[3] );
2885 p_box = p_box->p_first;
2895 if( p_box->i_type == i_fourcc )
2903 p_box = p_box->p_next;
2907 if( strlen( psz_token ) == 0 )
2909 p_box = p_box->p_first;
2924 p_box = p_box->p_next;
2929 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2930 FREENULL( psz_token );
2940 /*****************************************************************************
2941 * MP4_BoxGet: find a box given a path relative to p_box
2942 *****************************************************************************
2943 * Path Format: . .. / as usual
2944 * [number] to specifie box number ex: trak[12]
2946 * ex: /moov/trak[12]
2948 *****************************************************************************/
2949 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... )
2952 MP4_Box_t *p_result;
2954 va_start( args, psz_fmt );
2955 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2961 /*****************************************************************************
2962 * MP4_BoxCount: count box given a path relative to p_box
2963 *****************************************************************************
2964 * Path Format: . .. / as usual
2965 * [number] to specifie box number ex: trak[12]
2967 * ex: /moov/trak[12]
2969 *****************************************************************************/
2970 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... )
2974 MP4_Box_t *p_result, *p_next;
2976 va_start( args, psz_fmt );
2977 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2985 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2987 if( p_next->i_type == p_result->i_type)