1 /*****************************************************************************
2 * libmp4.c : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
23 #include <stdlib.h> /* malloc(), free() */
26 #include <vlc/input.h>
29 # include <zlib.h> /* for compressed moov */
35 /*****************************************************************************
36 * Here are defined some macro to make life simpler but before using it
39 *****************************************************************************/
40 #define MP4_BOX_HEADERSIZE( p_box ) \
41 ( 8 + ( p_box->i_shortsize == 1 ? 8 : 0 ) \
42 + ( p_box->i_type == FOURCC_uuid ? 16 : 0 ) )
44 #define MP4_GET1BYTE( dst ) \
45 dst = *p_peek; p_peek++; i_read--
47 #define MP4_GET2BYTES( dst ) \
48 dst = GetWBE( p_peek ); p_peek += 2; i_read -= 2
50 #define MP4_GET3BYTES( dst ) \
51 dst = Get24bBE( p_peek ); p_peek += 3; i_read -= 3
53 #define MP4_GET4BYTES( dst ) \
54 dst = GetDWBE( p_peek ); p_peek += 4; i_read -= 4
56 #define MP4_GETFOURCC( dst ) \
57 dst = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); \
58 p_peek += 4; i_read -= 4
60 #define MP4_GET8BYTES( dst ) \
61 dst = GetQWBE( p_peek ); p_peek += 8; i_read -= 8
63 #define MP4_GETVERSIONFLAGS( p_void ) \
64 MP4_GET1BYTE( p_void->i_version ); \
65 MP4_GET3BYTES( p_void->i_flags )
67 #define MP4_GETSTRINGZ( p_str ) \
68 if( ( i_read > 0 )&&(p_peek[0] ) ) \
70 p_str = calloc( sizeof( char ), __MIN( strlen( p_peek ), i_read )+1);\
71 memcpy( p_str, p_peek, __MIN( strlen( p_peek ), i_read ) ); \
72 p_str[__MIN( strlen( p_peek ), i_read )] = 0; \
73 p_peek += strlen( p_str ) + 1; \
74 i_read -= strlen( p_str ) + 1; \
82 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
83 int64_t i_read = p_box->i_size; \
84 uint8_t *p_peek, *p_buff; \
85 i_read = p_box->i_size; \
86 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
90 if( stream_Read( p_stream, p_peek, i_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" ); \
112 if( p ) {free( p ); p = NULL; }
117 * The input method HAVE to be seekable
121 static uint32_t Get24bBE( uint8_t *p )
123 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
126 static void GetUUID( UUID_t *p_uuid, uint8_t *p_buff )
128 memcpy( p_uuid, p_buff, 16 );
131 static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
133 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
134 where XXXXXXXX is the fourcc */
135 /* FIXME implement this */
138 /* some functions for mp4 encoding of variables */
140 static void MP4_ConvertDate2Str( char *psz, uint64_t i_date )
147 /* date begin at 1 jan 1904 */
148 i_date += ((I64C(1904) * 365) + 17) * 24 * 60 * 60;
150 i_day = i_date / ( 60*60*24);
151 i_hour = ( i_date /( 60*60 ) ) % 60;
152 i_min = ( i_date / 60 ) % 60;
154 sprintf( psz, "%dd-%2.2dh:%2.2dm:%2.2ds", i_day, i_hour, i_min, i_sec );
157 /*****************************************************************************
159 *****************************************************************************/
160 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father );
163 /*****************************************************************************
164 * MP4_ReadBoxCommon : Load only common parameters for all boxes
165 *****************************************************************************
166 * p_box need to be an already allocated MP4_Box_t, and all data
167 * will only be peek not read
169 * RETURN : 0 if it fail, 1 otherwise
170 *****************************************************************************/
171 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box )
176 if( ( ( i_read = stream_Peek( p_stream, &p_peek, 32 ) ) < 8 ) )
180 p_box->i_pos = stream_Tell( p_stream );
182 p_box->data.p_data = NULL;
183 p_box->p_father = NULL;
184 p_box->p_first = NULL;
185 p_box->p_last = NULL;
186 p_box->p_next = NULL;
188 MP4_GET4BYTES( p_box->i_shortsize );
189 MP4_GETFOURCC( p_box->i_type );
191 /* Now special case */
193 if( p_box->i_shortsize == 1 )
195 /* get the true size on 64 bits */
196 MP4_GET8BYTES( p_box->i_size );
200 p_box->i_size = p_box->i_shortsize;
201 /* XXX size of 0 means that the box extends to end of file */
204 if( p_box->i_type == FOURCC_uuid )
206 /* get extented type on 16 bytes */
207 GetUUID( &p_box->i_uuid, p_peek );
208 p_peek += 16; i_read -= 16;
212 CreateUUID( &p_box->i_uuid, p_box->i_type );
217 msg_Dbg( p_stream, "found Box: %4.4s size "I64Fd,
218 (char*)&p_box->i_type, p_box->i_size );
225 /*****************************************************************************
226 * MP4_NextBox : Go to the next box
227 *****************************************************************************
228 * if p_box == NULL, go to the next box in witch we are( at the begining ).
229 *****************************************************************************/
230 static int MP4_NextBox( stream_t *p_stream, MP4_Box_t *p_box )
236 MP4_ReadBoxCommon( p_stream, &box );
242 return 2; /* Box with infinite size */
245 if( p_box->p_father )
247 /* check if it's within p-father */
248 if( p_box->i_size + p_box->i_pos >=
249 p_box->p_father->i_size + p_box->p_father->i_pos )
251 return 0; /* out of bound */
254 if( stream_Seek( p_stream, p_box->i_size + p_box->i_pos ) )
262 /*****************************************************************************
263 * For all known box a loader is given,
264 * XXX: all common struct have to be already read by MP4_ReadBoxCommon
265 * after called one of theses functions, file position is unknown
266 * you need to call MP4_GotoBox to go where you want
267 *****************************************************************************/
268 static int MP4_ReadBoxContainerRaw( stream_t *p_stream, MP4_Box_t *p_container )
272 if( stream_Tell( p_stream ) + 8 >
273 (off_t)(p_container->i_pos + p_container->i_size) )
275 /* there is no box to load */
281 if( ( p_box = MP4_ReadBox( p_stream, p_container ) ) == NULL ) break;
283 /* chain this box with the father and the other at same level */
284 if( !p_container->p_first ) p_container->p_first = p_box;
285 else p_container->p_last->p_next = p_box;
286 p_container->p_last = p_box;
288 } while( MP4_NextBox( p_stream, p_box ) == 1 );
293 static int MP4_ReadBoxContainer( stream_t *p_stream, MP4_Box_t *p_container )
295 if( p_container->i_size <= (size_t)MP4_BOX_HEADERSIZE(p_container ) + 8 )
297 /* container is empty, 8 stand for the first header in this box */
302 stream_Seek( p_stream, p_container->i_pos +
303 MP4_BOX_HEADERSIZE( p_container ) );
305 return MP4_ReadBoxContainerRaw( p_stream, p_container );
308 static void MP4_FreeBox_Common( MP4_Box_t *p_box )
310 /* Up to now do nothing */
313 static int MP4_ReadBoxSkip( stream_t *p_stream, MP4_Box_t *p_box )
315 /* XXX sometime moov is hiden in a free box */
316 if( p_box->p_father &&
317 p_box->p_father->i_type == VLC_FOURCC( 'r', 'o', 'o', 't' ) &&
318 p_box->i_type == FOURCC_free )
324 i_read = stream_Peek( p_stream, &p_peek, 44 );
326 p_peek += MP4_BOX_HEADERSIZE( p_box ) + 4;
327 i_read -= MP4_BOX_HEADERSIZE( p_box ) + 4;
331 i_fcc = VLC_FOURCC( p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
333 if( i_fcc == FOURCC_cmov || i_fcc == FOURCC_mvhd )
335 msg_Warn( p_stream, "detected moov hidden in a free box ..." );
337 p_box->i_type = FOURCC_foov;
338 return MP4_ReadBoxContainer( p_stream, p_box );
345 msg_Dbg( p_stream, "skip box: \"%4.4s\"", (char*)&p_box->i_type );
350 static int MP4_ReadBox_ftyp( stream_t *p_stream, MP4_Box_t *p_box )
352 MP4_READBOX_ENTER( MP4_Box_data_ftyp_t );
354 MP4_GETFOURCC( p_box->data.p_ftyp->i_major_brand );
355 MP4_GET4BYTES( p_box->data.p_ftyp->i_minor_version );
357 if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
360 p_box->data.p_ftyp->i_compatible_brands =
361 calloc( p_box->data.p_ftyp->i_compatible_brands_count, sizeof(uint32_t));
363 for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
365 MP4_GETFOURCC( p_box->data.p_ftyp->i_compatible_brands[i] );
370 p_box->data.p_ftyp->i_compatible_brands = NULL;
373 MP4_READBOX_EXIT( 1 );
376 static void MP4_FreeBox_ftyp( MP4_Box_t *p_box )
378 FREE( p_box->data.p_ftyp->i_compatible_brands );
382 static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
386 char s_creation_time[128];
387 char s_modification_time[128];
388 char s_duration[128];
390 MP4_READBOX_ENTER( MP4_Box_data_mvhd_t );
392 MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
394 if( p_box->data.p_mvhd->i_version )
396 MP4_GET8BYTES( p_box->data.p_mvhd->i_creation_time );
397 MP4_GET8BYTES( p_box->data.p_mvhd->i_modification_time );
398 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
399 MP4_GET8BYTES( p_box->data.p_mvhd->i_duration );
403 MP4_GET4BYTES( p_box->data.p_mvhd->i_creation_time );
404 MP4_GET4BYTES( p_box->data.p_mvhd->i_modification_time );
405 MP4_GET4BYTES( p_box->data.p_mvhd->i_timescale );
406 MP4_GET4BYTES( p_box->data.p_mvhd->i_duration );
408 MP4_GET4BYTES( p_box->data.p_mvhd->i_rate );
409 MP4_GET2BYTES( p_box->data.p_mvhd->i_volume );
410 MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
413 for( i = 0; i < 2; i++ )
415 MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
417 for( i = 0; i < 9; i++ )
419 MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
421 for( i = 0; i < 6; i++ )
423 MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
426 MP4_GET4BYTES( p_box->data.p_mvhd->i_next_track_id );
430 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
431 MP4_ConvertDate2Str( s_modification_time,
432 p_box->data.p_mvhd->i_modification_time );
433 if( p_box->data.p_mvhd->i_rate )
435 MP4_ConvertDate2Str( s_duration,
436 p_box->data.p_mvhd->i_duration / p_box->data.p_mvhd->i_rate );
442 msg_Dbg( p_stream, "read box: \"mvhd\" creation %s modification %s time scale %d duration %s rate %f volume %f next track id %d",
445 (uint32_t)p_box->data.p_mvhd->i_timescale,
447 (float)p_box->data.p_mvhd->i_rate / (1<<16 ),
448 (float)p_box->data.p_mvhd->i_volume / 256 ,
449 (uint32_t)p_box->data.p_mvhd->i_next_track_id );
451 MP4_READBOX_EXIT( 1 );
454 static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
458 char s_creation_time[128];
459 char s_modification_time[128];
460 char s_duration[128];
462 MP4_READBOX_ENTER( MP4_Box_data_tkhd_t );
464 MP4_GETVERSIONFLAGS( p_box->data.p_tkhd );
466 if( p_box->data.p_tkhd->i_version )
468 MP4_GET8BYTES( p_box->data.p_tkhd->i_creation_time );
469 MP4_GET8BYTES( p_box->data.p_tkhd->i_modification_time );
470 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
471 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
472 MP4_GET8BYTES( p_box->data.p_tkhd->i_duration );
476 MP4_GET4BYTES( p_box->data.p_tkhd->i_creation_time );
477 MP4_GET4BYTES( p_box->data.p_tkhd->i_modification_time );
478 MP4_GET4BYTES( p_box->data.p_tkhd->i_track_ID );
479 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved );
480 MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
483 for( i = 0; i < 2; i++ )
485 MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
487 MP4_GET2BYTES( p_box->data.p_tkhd->i_layer );
488 MP4_GET2BYTES( p_box->data.p_tkhd->i_predefined );
489 MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
490 MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
492 for( i = 0; i < 9; i++ )
494 MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
496 MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
497 MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
500 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
501 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
502 MP4_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
504 msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
508 p_box->data.p_tkhd->i_track_ID,
509 p_box->data.p_tkhd->i_layer,
510 (float)p_box->data.p_tkhd->i_volume / 256 ,
511 (float)p_box->data.p_tkhd->i_width / 65536,
512 (float)p_box->data.p_tkhd->i_height / 65536 );
514 MP4_READBOX_EXIT( 1 );
518 static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
523 char s_creation_time[128];
524 char s_modification_time[128];
525 char s_duration[128];
527 MP4_READBOX_ENTER( MP4_Box_data_mdhd_t );
529 MP4_GETVERSIONFLAGS( p_box->data.p_mdhd );
531 if( p_box->data.p_mdhd->i_version )
533 MP4_GET8BYTES( p_box->data.p_mdhd->i_creation_time );
534 MP4_GET8BYTES( p_box->data.p_mdhd->i_modification_time );
535 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
536 MP4_GET8BYTES( p_box->data.p_mdhd->i_duration );
540 MP4_GET4BYTES( p_box->data.p_mdhd->i_creation_time );
541 MP4_GET4BYTES( p_box->data.p_mdhd->i_modification_time );
542 MP4_GET4BYTES( p_box->data.p_mdhd->i_timescale );
543 MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
545 i_language = GetWBE( p_peek );
546 for( i = 0; i < 3; i++ )
548 p_box->data.p_mdhd->i_language[i] =
549 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
552 MP4_GET2BYTES( p_box->data.p_mdhd->i_predefined );
555 MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mdhd->i_creation_time );
556 MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mdhd->i_modification_time );
557 MP4_ConvertDate2Str( s_duration, p_box->data.p_mdhd->i_duration );
558 msg_Dbg( p_stream, "read box: \"mdhd\" creation %s modification %s time scale %d duration %s language %c%c%c",
561 (uint32_t)p_box->data.p_mdhd->i_timescale,
563 p_box->data.p_mdhd->i_language[0],
564 p_box->data.p_mdhd->i_language[1],
565 p_box->data.p_mdhd->i_language[2] );
567 MP4_READBOX_EXIT( 1 );
571 static int MP4_ReadBox_hdlr( stream_t *p_stream, MP4_Box_t *p_box )
575 MP4_READBOX_ENTER( MP4_Box_data_hdlr_t );
577 MP4_GETVERSIONFLAGS( p_box->data.p_hdlr );
579 MP4_GETFOURCC( p_box->data.p_hdlr->i_predefined );
580 MP4_GETFOURCC( p_box->data.p_hdlr->i_handler_type );
582 MP4_GET4BYTES( i_reserved );
583 MP4_GET4BYTES( i_reserved );
584 MP4_GET4BYTES( i_reserved );
586 p_box->data.p_hdlr->psz_name = calloc( sizeof( char ), i_read + 1 );
588 /* Yes, I love .mp4 :( */
589 if( p_box->data.p_hdlr->i_predefined == VLC_FOURCC( 'm', 'h', 'l', 'r' ) )
594 MP4_GET1BYTE( i_len );
595 i_copy = __MIN( i_read, i_len );
597 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_copy );
598 p_box->data.p_hdlr->psz_name[i_copy] = '\0';
602 memcpy( p_box->data.p_hdlr->psz_name, p_peek, i_read );
603 p_box->data.p_hdlr->psz_name[i_read] = '\0';
608 msg_Dbg( p_stream, "read box: \"hdlr\" hanler type %4.4s name %s",
609 (char*)&p_box->data.p_hdlr->i_handler_type,
610 p_box->data.p_hdlr->psz_name );
613 MP4_READBOX_EXIT( 1 );
616 static void MP4_FreeBox_hdlr( MP4_Box_t *p_box )
618 FREE( p_box->data.p_hdlr->psz_name );
621 static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
625 MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
627 MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
629 MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
630 for( i = 0; i < 3; i++ )
632 MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
636 msg_Dbg( p_stream, "read box: \"vmhd\" graphics-mode %d opcolor (%d, %d, %d)",
637 p_box->data.p_vmhd->i_graphics_mode,
638 p_box->data.p_vmhd->i_opcolor[0],
639 p_box->data.p_vmhd->i_opcolor[1],
640 p_box->data.p_vmhd->i_opcolor[2] );
642 MP4_READBOX_EXIT( 1 );
645 static int MP4_ReadBox_smhd( stream_t *p_stream, MP4_Box_t *p_box )
647 MP4_READBOX_ENTER( MP4_Box_data_smhd_t );
649 MP4_GETVERSIONFLAGS( p_box->data.p_smhd );
653 MP4_GET2BYTES( p_box->data.p_smhd->i_balance );
655 MP4_GET2BYTES( p_box->data.p_smhd->i_reserved );
658 msg_Dbg( p_stream, "read box: \"smhd\" balance %f",
659 (float)p_box->data.p_smhd->i_balance / 256 );
661 MP4_READBOX_EXIT( 1 );
665 static int MP4_ReadBox_hmhd( stream_t *p_stream, MP4_Box_t *p_box )
667 MP4_READBOX_ENTER( MP4_Box_data_hmhd_t );
669 MP4_GETVERSIONFLAGS( p_box->data.p_hmhd );
671 MP4_GET2BYTES( p_box->data.p_hmhd->i_max_PDU_size );
672 MP4_GET2BYTES( p_box->data.p_hmhd->i_avg_PDU_size );
674 MP4_GET4BYTES( p_box->data.p_hmhd->i_max_bitrate );
675 MP4_GET4BYTES( p_box->data.p_hmhd->i_avg_bitrate );
677 MP4_GET4BYTES( p_box->data.p_hmhd->i_reserved );
680 msg_Dbg( p_stream, "read box: \"hmhd\" maxPDU-size %d avgPDU-size %d max-bitrate %d avg-bitrate %d",
681 p_box->data.p_hmhd->i_max_PDU_size,
682 p_box->data.p_hmhd->i_avg_PDU_size,
683 p_box->data.p_hmhd->i_max_bitrate,
684 p_box->data.p_hmhd->i_avg_bitrate );
686 MP4_READBOX_EXIT( 1 );
689 static int MP4_ReadBox_url( stream_t *p_stream, MP4_Box_t *p_box )
691 MP4_READBOX_ENTER( MP4_Box_data_url_t );
693 MP4_GETVERSIONFLAGS( p_box->data.p_url );
694 MP4_GETSTRINGZ( p_box->data.p_url->psz_location );
697 msg_Dbg( p_stream, "read box: \"url\" url: %s",
698 p_box->data.p_url->psz_location );
701 MP4_READBOX_EXIT( 1 );
705 static void MP4_FreeBox_url( MP4_Box_t *p_box )
707 FREE( p_box->data.p_url->psz_location )
710 static int MP4_ReadBox_urn( stream_t *p_stream, MP4_Box_t *p_box )
712 MP4_READBOX_ENTER( MP4_Box_data_urn_t );
714 MP4_GETVERSIONFLAGS( p_box->data.p_urn );
716 MP4_GETSTRINGZ( p_box->data.p_urn->psz_name );
717 MP4_GETSTRINGZ( p_box->data.p_urn->psz_location );
720 msg_Dbg( p_stream, "read box: \"urn\" name %s location %s",
721 p_box->data.p_urn->psz_name,
722 p_box->data.p_urn->psz_location );
724 MP4_READBOX_EXIT( 1 );
726 static void MP4_FreeBox_urn( MP4_Box_t *p_box )
728 FREE( p_box->data.p_urn->psz_name );
729 FREE( p_box->data.p_urn->psz_location );
733 static int MP4_ReadBox_dref( stream_t *p_stream, MP4_Box_t *p_box )
735 MP4_READBOX_ENTER( MP4_Box_data_dref_t );
737 MP4_GETVERSIONFLAGS( p_box->data.p_dref );
739 MP4_GET4BYTES( p_box->data.p_dref->i_entry_count );
741 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
742 MP4_ReadBoxContainerRaw( p_stream, p_box );
745 msg_Dbg( p_stream, "read box: \"dref\" entry-count %d",
746 p_box->data.p_dref->i_entry_count );
749 MP4_READBOX_EXIT( 1 );
753 static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
756 MP4_READBOX_ENTER( MP4_Box_data_stts_t );
758 MP4_GETVERSIONFLAGS( p_box->data.p_stts );
759 MP4_GET4BYTES( p_box->data.p_stts->i_entry_count );
761 p_box->data.p_stts->i_sample_count =
762 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
763 p_box->data.p_stts->i_sample_delta =
764 calloc( sizeof( uint32_t ), p_box->data.p_stts->i_entry_count );
766 for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
768 MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
769 MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
773 msg_Dbg( p_stream, "read box: \"stts\" entry-count %d",
774 p_box->data.p_stts->i_entry_count );
777 MP4_READBOX_EXIT( 1 );
780 static void MP4_FreeBox_stts( MP4_Box_t *p_box )
782 FREE( p_box->data.p_stts->i_sample_count );
783 FREE( p_box->data.p_stts->i_sample_delta );
786 static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
789 MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
791 MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
793 MP4_GET4BYTES( p_box->data.p_ctts->i_entry_count );
795 p_box->data.p_ctts->i_sample_count =
796 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
797 p_box->data.p_ctts->i_sample_offset =
798 calloc( sizeof( uint32_t ), p_box->data.p_ctts->i_entry_count );
800 for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
802 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
803 MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
807 msg_Dbg( p_stream, "read box: \"ctts\" entry-count %d",
808 p_box->data.p_ctts->i_entry_count );
811 MP4_READBOX_EXIT( 1 );
814 static void MP4_FreeBox_ctts( MP4_Box_t *p_box )
816 FREE( p_box->data.p_ctts->i_sample_count );
817 FREE( p_box->data.p_ctts->i_sample_offset );
820 static int MP4_ReadLengthDescriptor( uint8_t **pp_peek, int64_t *i_read )
823 unsigned int i_len = 0;
830 i_len = ( i_len << 7 ) + ( i_b&0x7f );
835 static int MP4_ReadBox_esds( stream_t *p_stream, MP4_Box_t *p_box )
837 #define es_descriptor p_box->data.p_esds->es_descriptor
839 unsigned int i_flags;
842 MP4_READBOX_ENTER( MP4_Box_data_esds_t );
844 MP4_GETVERSIONFLAGS( p_box->data.p_esds );
847 MP4_GET1BYTE( i_type );
848 if( i_type == 0x03 ) /* MP4ESDescrTag */
850 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
853 msg_Dbg( p_stream, "found esds MPEG4ESDescr (%dBytes)",
857 MP4_GET2BYTES( es_descriptor.i_ES_ID );
858 MP4_GET1BYTE( i_flags );
859 es_descriptor.b_stream_dependence = ( (i_flags&0x80) != 0);
860 es_descriptor.b_url = ( (i_flags&0x40) != 0);
861 es_descriptor.b_OCRstream = ( (i_flags&0x20) != 0);
863 es_descriptor.i_stream_priority = i_flags&0x1f;
864 if( es_descriptor.b_stream_dependence )
866 MP4_GET2BYTES( es_descriptor.i_depend_on_ES_ID );
868 if( es_descriptor.b_url )
872 MP4_GET1BYTE( i_len );
873 es_descriptor.psz_URL = calloc( sizeof(char), i_len + 1 );
874 memcpy( es_descriptor.psz_URL, p_peek, i_len );
875 es_descriptor.psz_URL[i_len] = 0;
881 es_descriptor.psz_URL = NULL;
883 if( es_descriptor.b_OCRstream )
885 MP4_GET2BYTES( es_descriptor.i_OCR_ES_ID );
887 MP4_GET1BYTE( i_type ); /* get next type */
890 if( i_type != 0x04)/* MP4DecConfigDescrTag */
892 es_descriptor.p_decConfigDescr = NULL;
893 MP4_READBOX_EXIT( 1 ); /* rest isn't interesting up to now */
896 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
899 msg_Dbg( p_stream, "found esds MP4DecConfigDescr (%dBytes)",
903 es_descriptor.p_decConfigDescr =
904 malloc( sizeof( MP4_descriptor_decoder_config_t ));
906 MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
907 MP4_GET1BYTE( i_flags );
908 es_descriptor.p_decConfigDescr->i_streamType = i_flags >> 2;
909 es_descriptor.p_decConfigDescr->b_upStream = ( i_flags >> 1 )&0x01;
910 MP4_GET3BYTES( es_descriptor.p_decConfigDescr->i_buffer_sizeDB );
911 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_max_bitrate );
912 MP4_GET4BYTES( es_descriptor.p_decConfigDescr->i_avg_bitrate );
913 MP4_GET1BYTE( i_type );
914 if( i_type != 0x05 )/* MP4DecSpecificDescrTag */
916 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = 0;
917 es_descriptor.p_decConfigDescr->p_decoder_specific_info = NULL;
918 MP4_READBOX_EXIT( 1 );
921 i_len = MP4_ReadLengthDescriptor( &p_peek, &i_read );
924 msg_Dbg( p_stream, "found esds MP4DecSpecificDescr (%dBytes)",
928 es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
929 es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
930 memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
933 MP4_READBOX_EXIT( 1 );
938 static void MP4_FreeBox_esds( MP4_Box_t *p_box )
940 FREE( p_box->data.p_esds->es_descriptor.psz_URL );
941 if( p_box->data.p_esds->es_descriptor.p_decConfigDescr )
943 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr->p_decoder_specific_info );
945 FREE( p_box->data.p_esds->es_descriptor.p_decConfigDescr );
948 static int MP4_ReadBox_avcC( stream_t *p_stream, MP4_Box_t *p_box )
950 MP4_Box_data_avcC_t *p_avcC;
953 MP4_READBOX_ENTER( MP4_Box_data_avcC_t );
954 p_avcC = p_box->data.p_avcC;
956 p_avcC->i_avcC = i_read;
957 p_avcC->p_avcC = malloc( p_avcC->i_avcC );
958 memcpy( p_avcC->p_avcC, p_peek, i_read );
960 MP4_GET1BYTE( p_avcC->i_version );
961 MP4_GET1BYTE( p_avcC->i_profile );
962 MP4_GET1BYTE( p_avcC->i_profile_compatibility );
963 MP4_GET1BYTE( p_avcC->i_level );
964 MP4_GET1BYTE( p_avcC->i_reserved1 );
965 p_avcC->i_length_size = (p_avcC->i_reserved1&0x03) + 1;
966 p_avcC->i_reserved1 >>= 2;
968 MP4_GET1BYTE( p_avcC->i_reserved2 );
969 p_avcC->i_sps = p_avcC->i_reserved2&0x1f;
970 p_avcC->i_reserved2 >>= 5;
972 if( p_avcC->i_sps > 0 )
974 p_avcC->i_sps_length = malloc( p_avcC->i_sps * sizeof( uint16_t ) );
975 p_avcC->sps = malloc( p_avcC->i_sps * sizeof( uint8_t* ) );
977 for( i = 0; i < p_avcC->i_sps; i++ )
979 MP4_GET2BYTES( p_avcC->i_sps_length[i] );
980 p_avcC->sps[i] = malloc( p_avcC->i_sps_length[i] );
981 memcpy( p_avcC->sps[i], p_peek, p_avcC->i_sps_length[i] );
983 p_peek += p_avcC->i_sps_length[i];
984 i_read -= p_avcC->i_sps_length[i];
988 MP4_GET1BYTE( p_avcC->i_pps );
989 if( p_avcC->i_pps > 0 )
991 p_avcC->i_pps_length = malloc( p_avcC->i_pps * sizeof( uint16_t ) );
992 p_avcC->pps = malloc( p_avcC->i_pps * sizeof( uint8_t* ) );
994 for( i = 0; i < p_avcC->i_pps; i++ )
996 MP4_GET2BYTES( p_avcC->i_pps_length[i] );
997 p_avcC->pps[i] = malloc( p_avcC->i_pps_length[i] );
998 memcpy( p_avcC->pps[i], p_peek, p_avcC->i_pps_length[i] );
1000 p_peek += p_avcC->i_pps_length[i];
1001 i_read -= p_avcC->i_pps_length[i];
1006 "read box: \"avcC\" version=%d profile=0x%x level=0x%x lengh size=%d sps=%d pps=%d",
1007 p_avcC->i_version, p_avcC->i_profile, p_avcC->i_level,
1008 p_avcC->i_length_size,
1009 p_avcC->i_sps, p_avcC->i_pps );
1010 for( i = 0; i < p_avcC->i_sps; i++ )
1012 msg_Dbg( p_stream, " - sps[%d] length=%d",
1013 i, p_avcC->i_sps_length[i] );
1015 for( i = 0; i < p_avcC->i_pps; i++ )
1017 msg_Dbg( p_stream, " - pps[%d] length=%d",
1018 i, p_avcC->i_pps_length[i] );
1022 MP4_READBOX_EXIT( 1 );
1025 static void MP4_FreeBox_avcC( MP4_Box_t *p_box )
1027 MP4_Box_data_avcC_t *p_avcC = p_box->data.p_avcC;
1030 for( i = 0; i < p_avcC->i_sps; i++ )
1032 FREE( p_avcC->sps[i] );
1034 for( i = 0; i < p_avcC->i_pps; i++ )
1036 FREE( p_avcC->pps[i] );
1038 if( p_avcC->i_sps > 0 ) FREE( p_avcC->sps );
1039 if( p_avcC->i_pps > 0 ) FREE( p_avcC->pps );
1042 static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
1046 MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
1047 p_box->data.p_sample_soun->p_qt_description = NULL;
1049 /* Sanity check needed because the "wave" box does also contain an
1050 * "mp4a" box that we don't understand. */
1054 MP4_READBOX_EXIT( 1 );
1057 for( i = 0; i < 6 ; i++ )
1059 MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
1062 MP4_GET2BYTES( p_box->data.p_sample_soun->i_data_reference_index );
1065 * XXX hack -> produce a copy of the nearly complete chunk
1069 p_box->data.p_sample_soun->i_qt_description = i_read;
1070 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1071 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1075 p_box->data.p_sample_soun->i_qt_description = 0;
1076 p_box->data.p_sample_soun->p_qt_description = NULL;
1079 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_version );
1080 MP4_GET2BYTES( p_box->data.p_sample_soun->i_qt_revision_level );
1081 MP4_GET4BYTES( p_box->data.p_sample_soun->i_qt_vendor );
1083 MP4_GET2BYTES( p_box->data.p_sample_soun->i_channelcount );
1084 MP4_GET2BYTES( p_box->data.p_sample_soun->i_samplesize );
1085 MP4_GET2BYTES( p_box->data.p_sample_soun->i_predefined );
1086 MP4_GET2BYTES( p_box->data.p_sample_soun->i_reserved3 );
1087 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratehi );
1088 MP4_GET2BYTES( p_box->data.p_sample_soun->i_sampleratelo );
1090 if( p_box->data.p_sample_soun->i_qt_version == 1 &&
1094 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1095 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1096 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1097 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1101 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1102 "bytes/frame=%d bytes/sample=%d",
1103 p_box->data.p_sample_soun->i_sample_per_packet,
1104 p_box->data.p_sample_soun->i_bytes_per_packet,
1105 p_box->data.p_sample_soun->i_bytes_per_frame,
1106 p_box->data.p_sample_soun->i_bytes_per_sample );
1108 stream_Seek( p_stream, p_box->i_pos +
1109 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1113 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1114 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1115 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1116 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1118 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1120 stream_Seek( p_stream, p_box->i_pos +
1121 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1124 if( p_box->i_type == FOURCC_drms )
1126 p_box->data.p_sample_soun->p_drms =
1127 drms_alloc( p_stream->p_vlc->psz_homedir );
1129 if( p_box->data.p_sample_soun->p_drms == NULL )
1131 msg_Err( p_stream, "drms_alloc() failed" );
1135 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1137 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1138 p_box->data.p_sample_soun->i_channelcount = 1;
1141 if( p_box->i_type == FOURCC_alac )
1143 if( p_box->data.p_sample_soun->p_qt_description )
1144 free( p_box->data.p_sample_soun->p_qt_description );
1146 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1147 p_box->data.p_sample_soun->i_qt_description = i_read;
1148 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1152 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1156 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1157 "sample size %d sample rate %f",
1158 p_box->data.p_sample_soun->i_channelcount,
1159 p_box->data.p_sample_soun->i_samplesize,
1160 (float)p_box->data.p_sample_soun->i_sampleratehi +
1161 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1164 MP4_READBOX_EXIT( 1 );
1168 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1170 FREE( p_box->data.p_sample_soun->p_qt_description );
1172 if( p_box->i_type == FOURCC_drms )
1174 if( p_box->data.p_sample_soun->p_drms )
1176 drms_free( p_box->data.p_sample_soun->p_drms );
1182 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1186 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1188 for( i = 0; i < 6 ; i++ )
1190 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1193 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1196 * XXX hack -> produce a copy of the nearly complete chunk
1200 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1201 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1202 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1207 p_box->data.p_sample_vide->i_qt_image_description = 0;
1208 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1211 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1212 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1213 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1215 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1216 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1218 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1219 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1221 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1222 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1224 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1225 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1227 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1228 p_peek += 32; i_read -= 32;
1230 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1231 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1233 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1234 MP4_ReadBoxContainerRaw( p_stream, p_box );
1237 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1238 p_box->data.p_sample_vide->i_width,
1239 p_box->data.p_sample_vide->i_height,
1240 p_box->data.p_sample_vide->i_depth );
1243 MP4_READBOX_EXIT( 1 );
1247 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1249 FREE( p_box->data.p_sample_vide->p_qt_image_description );
1252 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1254 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1255 MP4_ReadBoxContainerRaw( p_stream, p_box );
1259 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1263 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1265 for( i = 0; i < 6 ; i++ )
1267 MP4_GET1BYTE( p_box->data.p_sample_text->i_reserved1[i] );
1269 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1271 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1272 MP4_GET4BYTES( p_box->data.p_sample_text->i_justification );
1274 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1275 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1276 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1278 MP4_GET8BYTES( p_box->data.p_sample_text->i_text_box );
1279 MP4_GET8BYTES( p_box->data.p_sample_text->i_reserved2 );
1281 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_number );
1282 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_face );
1284 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved3 );
1286 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[0] );
1287 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[1] );
1288 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[2] );
1291 p_box->data.p_sample_text->psz_text_name = malloc( i + 1 );
1292 memcpy( p_box->data.p_sample_text->psz_text_name, p_peek, i );
1293 p_box->data.p_sample_text->psz_text_name[i] = '\0';
1296 msg_Dbg( p_stream, "read box: \"text\" in stsd text name=%s",
1297 p_box->data.p_sample_text->psz_text_name );
1299 MP4_READBOX_EXIT( 1 );
1303 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1304 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1306 FREE( p_box->data.p_sample_text->psz_text_name );
1311 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1314 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1316 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1318 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1320 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1322 MP4_ReadBoxContainerRaw( p_stream, p_box );
1325 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1326 p_box->data.p_stsd->i_entry_count );
1329 MP4_READBOX_EXIT( 1 );
1333 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1337 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1339 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1341 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1343 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1345 p_box->data.p_stsz->i_entry_size =
1346 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1348 if( !p_box->data.p_stsz->i_sample_size )
1350 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1352 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1357 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1358 p_box->data.p_stsz->i_sample_size,
1359 p_box->data.p_stsz->i_sample_count );
1362 MP4_READBOX_EXIT( 1 );
1365 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1367 FREE( p_box->data.p_stsz->i_entry_size );
1370 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1374 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1376 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1378 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1380 p_box->data.p_stsc->i_first_chunk =
1381 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1382 p_box->data.p_stsc->i_samples_per_chunk =
1383 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1384 p_box->data.p_stsc->i_sample_description_index =
1385 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1387 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1389 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1390 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1391 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1395 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1396 p_box->data.p_stsc->i_entry_count );
1399 MP4_READBOX_EXIT( 1 );
1402 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1404 FREE( p_box->data.p_stsc->i_first_chunk );
1405 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1406 FREE( p_box->data.p_stsc->i_sample_description_index );
1409 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1413 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1415 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1417 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1419 p_box->data.p_co64->i_chunk_offset =
1420 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1422 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1424 if( p_box->i_type == FOURCC_stco )
1430 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1438 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1443 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1444 p_box->data.p_co64->i_entry_count );
1447 MP4_READBOX_EXIT( 1 );
1450 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1452 FREE( p_box->data.p_co64->i_chunk_offset );
1455 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1459 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1461 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1463 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1465 p_box->data.p_stss->i_sample_number =
1466 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1468 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1471 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1472 /* XXX in libmp4 sample begin at 0 */
1473 p_box->data.p_stss->i_sample_number[i]--;
1477 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1478 p_box->data.p_stss->i_entry_count );
1481 MP4_READBOX_EXIT( 1 );
1484 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1486 FREE( p_box->data.p_stss->i_sample_number )
1489 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1493 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1495 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1498 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1500 p_box->data.p_stsh->i_shadowed_sample_number =
1501 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1503 p_box->data.p_stsh->i_sync_sample_number =
1504 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1507 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1510 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1511 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1515 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1516 p_box->data.p_stsh->i_entry_count );
1518 MP4_READBOX_EXIT( 1 );
1521 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1523 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1524 FREE( p_box->data.p_stsh->i_sync_sample_number )
1528 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1532 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1534 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1536 p_box->data.p_stdp->i_priority =
1537 calloc( sizeof( uint16_t ), i_read / 2 );
1539 for( i = 0; i < i_read / 2 ; i++ )
1542 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1546 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1550 MP4_READBOX_EXIT( 1 );
1553 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1555 FREE( p_box->data.p_stdp->i_priority )
1558 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1562 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1564 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1567 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1569 p_box->data.p_padb->i_reserved1 =
1570 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1571 p_box->data.p_padb->i_pad2 =
1572 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1573 p_box->data.p_padb->i_reserved2 =
1574 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1575 p_box->data.p_padb->i_pad1 =
1576 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1579 for( i = 0; i < i_read / 2 ; i++ )
1581 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1582 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1583 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1584 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1586 p_peek += 1; i_read -= 1;
1590 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1594 MP4_READBOX_EXIT( 1 );
1597 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1599 FREE( p_box->data.p_padb->i_reserved1 );
1600 FREE( p_box->data.p_padb->i_pad2 );
1601 FREE( p_box->data.p_padb->i_reserved2 );
1602 FREE( p_box->data.p_padb->i_pad1 );
1605 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1609 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1611 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1614 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1616 p_box->data.p_elst->i_segment_duration =
1617 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1618 p_box->data.p_elst->i_media_time =
1619 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1620 p_box->data.p_elst->i_media_rate_integer =
1621 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1622 p_box->data.p_elst->i_media_rate_fraction=
1623 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1626 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1628 if( p_box->data.p_elst->i_version == 1 )
1631 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1633 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1638 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1640 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1641 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1644 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1645 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1649 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1653 MP4_READBOX_EXIT( 1 );
1656 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1658 FREE( p_box->data.p_elst->i_segment_duration );
1659 FREE( p_box->data.p_elst->i_media_time );
1660 FREE( p_box->data.p_elst->i_media_rate_integer );
1661 FREE( p_box->data.p_elst->i_media_rate_fraction );
1664 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1666 unsigned int i_language;
1669 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1671 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1673 i_language = GetWBE( p_peek );
1674 for( i = 0; i < 3; i++ )
1676 p_box->data.p_cprt->i_language[i] =
1677 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1679 p_peek += 2; i_read -= 2;
1680 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1683 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1684 p_box->data.p_cprt->i_language[0],
1685 p_box->data.p_cprt->i_language[1],
1686 p_box->data.p_cprt->i_language[2],
1687 p_box->data.p_cprt->psz_notice );
1690 MP4_READBOX_EXIT( 1 );
1693 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1695 FREE( p_box->data.p_cprt->psz_notice );
1699 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1701 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1703 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1706 "read box: \"dcom\" compression algorithm : %4.4s",
1707 (char*)&p_box->data.p_dcom->i_algorithm );
1709 MP4_READBOX_EXIT( 1 );
1712 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1714 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1716 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1718 p_box->data.p_cmvd->i_compressed_size = i_read;
1720 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1722 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1726 /* now copy compressed data */
1727 memcpy( p_box->data.p_cmvd->p_data,
1731 p_box->data.p_cmvd->b_compressed = 1;
1734 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1735 p_box->data.p_cmvd->i_compressed_size );
1738 MP4_READBOX_EXIT( 1 );
1740 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1742 FREE( p_box->data.p_cmvd->p_data );
1746 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1752 stream_t *p_stream_memory;
1758 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1760 msg_Err( p_stream, "out of memory" );
1763 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1765 if( !p_box->p_father ||
1766 ( p_box->p_father->i_type != FOURCC_moov &&
1767 p_box->p_father->i_type != FOURCC_foov ) )
1769 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1773 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1778 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1779 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1780 p_cmvd->data.p_cmvd->p_data == NULL )
1782 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1786 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1788 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1789 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1794 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1798 /* decompress data */
1799 /* allocate a new buffer */
1800 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1802 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1803 "uncompress data" );
1806 /* init default structures */
1807 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1808 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1809 z_data.next_out = p_data;
1810 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1811 z_data.zalloc = (alloc_func)Z_NULL;
1812 z_data.zfree = (free_func)Z_NULL;
1813 z_data.opaque = (voidpf)Z_NULL;
1816 if( inflateInit( &z_data ) != Z_OK )
1818 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1824 i_result = inflate( &z_data, Z_NO_FLUSH );
1825 if( i_result != Z_OK && i_result != Z_STREAM_END )
1827 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1832 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1834 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1837 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1840 if( inflateEnd( &z_data ) != Z_OK )
1842 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1846 free( p_cmvd->data.p_cmvd->p_data );
1847 p_cmvd->data.p_cmvd->p_data = p_data;
1848 p_cmvd->data.p_cmvd->b_compressed = 0;
1850 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1852 /* now create a memory stream */
1854 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1855 p_cmvd->data.p_cmvd->i_uncompressed_size );
1857 /* and read uncompressd moov */
1858 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1860 stream_MemoryDelete( p_stream_memory, VLC_FALSE );
1863 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1866 return p_box->data.p_cmov->p_moov ? 1 : 0;
1867 #endif /* HAVE_ZLIB_H */
1870 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1873 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1875 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1876 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1877 MP4_GET4BYTES( i_len );
1881 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1882 for( i = 0; i < i_len; i++ )
1884 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1886 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1890 p_box->data.p_rdrf->psz_ref = NULL;
1895 "read box: \"rdrf\" type:%4.4s ref %s",
1896 (char*)&p_box->data.p_rdrf->i_ref_type,
1897 p_box->data.p_rdrf->psz_ref );
1900 MP4_READBOX_EXIT( 1 );
1903 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1905 FREE( p_box->data.p_rdrf->psz_ref )
1909 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1911 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1913 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1915 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1919 "read box: \"rmdr\" rate:%d",
1920 p_box->data.p_rmdr->i_rate );
1922 MP4_READBOX_EXIT( 1 );
1925 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1927 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1929 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1933 "read box: \"rmqu\" quality:%d",
1934 p_box->data.p_rmqu->i_quality );
1936 MP4_READBOX_EXIT( 1 );
1939 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
1941 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1942 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1944 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1945 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1946 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1947 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1951 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1952 (char*)&p_box->data.p_rmvc->i_gestaltType,
1953 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1954 p_box->data.p_rmvc->i_checkType );
1957 MP4_READBOX_EXIT( 1 );
1960 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
1962 MP4_Box_t *p_drms_box = p_box;
1964 MP4_READBOX_ENTER( uint8_t );
1968 p_drms_box = p_drms_box->p_father;
1969 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
1971 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
1973 if( drms_init( p_drms_box->data.p_sample_soun->p_drms,
1974 p_box->i_type, p_peek, i_read ) )
1976 msg_Err( p_stream, "drms_init( %4.4s ) failed",
1977 (char *)&p_box->i_type );
1979 drms_free( p_drms_box->data.p_sample_soun->p_drms );
1980 p_drms_box->data.p_sample_soun->p_drms = NULL;
1984 MP4_READBOX_EXIT( 1 );
1987 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
1989 int16_t i_length, i_dummy;
1991 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
1993 p_box->data.p_0xa9xxx->psz_text = NULL;
1995 MP4_GET2BYTES( i_length );
1996 MP4_GET2BYTES( i_dummy );
2000 if( i_length > i_read ) i_length = i_read;
2002 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2004 memcpy( p_box->data.p_0xa9xxx->psz_text,
2006 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2010 "read box: \"%4.4s\" text=`%s'",
2011 (char*)&p_box->i_type,
2012 p_box->data.p_0xa9xxx->psz_text );
2016 MP4_READBOX_EXIT( 1 );
2018 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2020 FREE( p_box->data.p_0xa9xxx->psz_text );
2024 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2026 if( !p_box->p_father )
2030 if( p_box->p_father->i_type == FOURCC_stsd )
2032 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2035 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2036 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2040 switch( p_hdlr->data.p_hdlr->i_handler_type )
2043 return MP4_ReadBox_sample_soun( p_stream, p_box );
2045 return MP4_ReadBox_sample_vide( p_stream, p_box );
2047 return MP4_ReadBox_sample_text( p_stream, p_box );
2050 "unknown handler type in stsd (uncompletetly loaded)" );
2057 "unknown box type %4.4s (uncompletetly loaded)",
2058 (char*)&p_box->i_type );
2063 /**** ------------------------------------------------------------------- ****/
2064 /**** "Higher level" Functions ****/
2065 /**** ------------------------------------------------------------------- ****/
2070 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2071 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2072 } MP4_Box_Function [] =
2075 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2076 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2077 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2078 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2079 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2080 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2081 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2082 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2083 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2084 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2085 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2086 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2087 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2088 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2089 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2090 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2093 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2094 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2095 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2096 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2097 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2098 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2099 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2100 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2101 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2102 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2103 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2104 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2105 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2106 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2107 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2108 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2109 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2110 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2111 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2112 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2113 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2114 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2115 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2116 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2117 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2118 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2119 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2120 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2121 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2123 /* Nothing to do with this box */
2124 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2125 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2126 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2127 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2130 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2131 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2132 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2133 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2134 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2135 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2136 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2137 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2138 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2139 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2140 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2141 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2142 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2143 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2144 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2145 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2146 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2147 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2148 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2149 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2150 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2151 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2152 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2154 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2155 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2156 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2157 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2158 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2159 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2160 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2161 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2162 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2163 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2164 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2165 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2166 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2167 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2168 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2169 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2170 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2171 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2172 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2173 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2175 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2176 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2178 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2179 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2180 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2181 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2182 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2184 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2185 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2187 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2189 /* XXX there is 2 box where we could find this entry stbl and tref*/
2190 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2192 /* found in tref box */
2193 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2194 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2195 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2198 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2201 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2202 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2203 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2204 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2206 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2207 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2208 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2209 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2210 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2211 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2212 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2213 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2216 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2217 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2218 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2219 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2220 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2221 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2222 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2223 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2224 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2225 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2226 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2227 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2228 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2229 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2230 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2231 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2232 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2233 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2234 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2235 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2236 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2237 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2238 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2239 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2240 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2243 { 0, MP4_ReadBox_default, NULL }
2248 /*****************************************************************************
2249 * MP4_ReadBox : parse the actual box and the children
2250 * XXX : Do not go to the next box
2251 *****************************************************************************/
2252 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2254 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2255 unsigned int i_index;
2257 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2259 msg_Warn( p_stream, "cannot read one box" );
2263 if( !p_box->i_size )
2265 msg_Dbg( p_stream, "found an empty box (null size)" );
2269 p_box->p_father = p_father;
2271 /* Now search function to call */
2272 for( i_index = 0; ; i_index++ )
2274 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2275 ( MP4_Box_Function[i_index].i_type == 0 ) )
2281 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2290 /*****************************************************************************
2291 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2293 *****************************************************************************/
2294 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2296 unsigned int i_index;
2304 for( p_child = p_box->p_first; p_child != NULL; )
2308 p_next = p_child->p_next;
2309 MP4_BoxFree( s, p_child );
2313 /* Now search function to call */
2314 if( p_box->data.p_data )
2316 for( i_index = 0; ; i_index++ )
2318 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2319 ( MP4_Box_Function[i_index].i_type == 0 ) )
2324 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2326 /* Should not happen */
2328 "cannot free box %4.4s, type unknown",
2329 (char*)&p_box->i_type );
2333 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2336 free( p_box->data.p_data );
2342 /*****************************************************************************
2343 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2344 *****************************************************************************
2345 * The first box is a virtual box "root" and is the father for all first
2346 * level boxes for the file, a sort of virtual contener
2347 *****************************************************************************/
2348 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2354 p_root = malloc( sizeof( MP4_Box_t ) );
2356 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2357 p_root->i_shortsize = 1;
2358 p_root->i_size = stream_Size( s );
2359 CreateUUID( &p_root->i_uuid, p_root->i_type );
2361 p_root->data.p_data = NULL;
2362 p_root->p_father = NULL;
2363 p_root->p_first = NULL;
2364 p_root->p_last = NULL;
2365 p_root->p_next = NULL;
2369 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2377 /* check if there is a cmov, if so replace
2378 compressed moov by uncompressed one */
2379 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2380 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2381 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2382 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2384 /* rename the compressed moov as a box to skip */
2385 p_moov->i_type = FOURCC_skip;
2387 /* get uncompressed p_moov */
2388 p_moov = p_cmov->data.p_cmov->p_moov;
2389 p_cmov->data.p_cmov->p_moov = NULL;
2391 /* make p_root father of this new moov */
2392 p_moov->p_father = p_root;
2394 /* insert this new moov box as first child of p_root */
2395 p_moov->p_next = p_child = p_root->p_first;
2396 p_root->p_first = p_moov;
2404 static void __MP4_BoxDumpStructure( stream_t *s,
2405 MP4_Box_t *p_box, unsigned int i_level )
2411 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2412 (char*)&p_box->i_type );
2418 memset( str, (uint8_t)' ', 512 );
2419 for( i = 0; i < i_level; i++ )
2423 sprintf( str + i_level * 5, "+ %4.4s size %d",
2424 (char*)&p_box->i_type,
2425 (uint32_t)p_box->i_size );
2427 msg_Dbg( s, "%s", str );
2429 p_child = p_box->p_first;
2432 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2433 p_child = p_child->p_next;
2437 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2439 __MP4_BoxDumpStructure( s, p_box, 0 );
2444 /*****************************************************************************
2445 *****************************************************************************
2447 ** High level methods to acces an MP4 file
2449 *****************************************************************************
2450 *****************************************************************************/
2451 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2454 if( !*ppsz_path[0] )
2461 while( (*ppsz_path)[i_len] &&
2462 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2466 if( !i_len && **ppsz_path == '/' )
2470 *ppsz_token = malloc( i_len + 1 );
2472 memcpy( *ppsz_token, *ppsz_path, i_len );
2474 (*ppsz_token)[i_len] = '\0';
2476 *ppsz_path += i_len;
2478 if( **ppsz_path == '[' )
2481 *pi_number = strtol( *ppsz_path, NULL, 10 );
2482 while( **ppsz_path && **ppsz_path != ']' )
2486 if( **ppsz_path == ']' )
2495 while( **ppsz_path == '/' )
2501 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2502 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2512 vasprintf( &psz_path, psz_fmt, args );
2514 if( !psz_path || !psz_path[0] )
2521 // fprintf( stderr, "path:'%s'\n", psz_path );
2522 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2528 __get_token( &psz_path, &psz_token, &i_number );
2529 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2530 // psz_path,psz_token,i_number );
2539 if( !strcmp( psz_token, "/" ) )
2542 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2544 p_box = p_box->p_father;
2555 if( !strcmp( psz_token, "." ) )
2560 if( !strcmp( psz_token, ".." ) )
2562 p_box = p_box->p_father;
2572 if( strlen( psz_token ) == 4 )
2575 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2576 psz_token[2], psz_token[3] );
2577 p_box = p_box->p_first;
2587 if( p_box->i_type == i_fourcc )
2595 p_box = p_box->p_next;
2599 if( strlen( psz_token ) == 0 )
2601 p_box = p_box->p_first;
2616 p_box = p_box->p_next;
2621 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2632 /*****************************************************************************
2633 * MP4_BoxGet: find a box given a path relative to p_box
2634 *****************************************************************************
2635 * Path Format: . .. / as usual
2636 * [number] to specifie box number ex: trak[12]
2638 * ex: /moov/trak[12]
2640 *****************************************************************************/
2641 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2644 MP4_Box_t *p_result;
2646 va_start( args, psz_fmt );
2647 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2653 /*****************************************************************************
2654 * MP4_BoxCount: count box given a path relative to p_box
2655 *****************************************************************************
2656 * Path Format: . .. / as usual
2657 * [number] to specifie box number ex: trak[12]
2659 * ex: /moov/trak[12]
2661 *****************************************************************************/
2662 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2666 MP4_Box_t *p_result, *p_next;
2668 va_start( args, psz_fmt );
2669 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2677 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2679 if( p_next->i_type == p_result->i_type)