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., 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 length 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 && i_read >= 16 )
1092 /* SoundDescriptionV1 */
1093 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1094 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_packet );
1095 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_frame );
1096 MP4_GET4BYTES( p_box->data.p_sample_soun->i_bytes_per_sample );
1100 "read box: \"soun\" qt3+ sample/packet=%d bytes/packet=%d "
1101 "bytes/frame=%d bytes/sample=%d",
1102 p_box->data.p_sample_soun->i_sample_per_packet,
1103 p_box->data.p_sample_soun->i_bytes_per_packet,
1104 p_box->data.p_sample_soun->i_bytes_per_frame,
1105 p_box->data.p_sample_soun->i_bytes_per_sample );
1107 stream_Seek( p_stream, p_box->i_pos +
1108 MP4_BOX_HEADERSIZE( p_box ) + 44 );
1110 else if( p_box->data.p_sample_soun->i_qt_version == 2 && i_read >= 36 )
1112 /* SoundDescriptionV2 */
1113 double f_sample_rate;
1116 MP4_GET4BYTES( p_box->data.p_sample_soun->i_sample_per_packet );
1117 MP4_GET8BYTES( (*(int64_t *)&f_sample_rate) );
1119 msg_Dbg( p_stream, "read box: %f Hz", f_sample_rate );
1120 p_box->data.p_sample_soun->i_sampleratehi = (int)f_sample_rate % 65536;
1121 p_box->data.p_sample_soun->i_sampleratelo = f_sample_rate / 65536;
1123 MP4_GET4BYTES( i_channel );
1124 p_box->data.p_sample_soun->i_channelcount = i_channel;
1127 msg_Dbg( p_stream, "read box: \"soun\" V2" );
1129 stream_Seek( p_stream, p_box->i_pos +
1130 MP4_BOX_HEADERSIZE( p_box ) + 28 + 36 );
1134 p_box->data.p_sample_soun->i_sample_per_packet = 0;
1135 p_box->data.p_sample_soun->i_bytes_per_packet = 0;
1136 p_box->data.p_sample_soun->i_bytes_per_frame = 0;
1137 p_box->data.p_sample_soun->i_bytes_per_sample = 0;
1139 msg_Dbg( p_stream, "read box: \"soun\" mp4 or qt1/2 (rest="I64Fd")",
1141 stream_Seek( p_stream, p_box->i_pos +
1142 MP4_BOX_HEADERSIZE( p_box ) + 28 );
1145 if( p_box->i_type == FOURCC_drms )
1147 p_box->data.p_sample_soun->p_drms =
1148 drms_alloc( p_stream->p_vlc->psz_homedir );
1150 if( p_box->data.p_sample_soun->p_drms == NULL )
1152 msg_Err( p_stream, "drms_alloc() failed" );
1156 if( p_box->i_type == FOURCC_samr || p_box->i_type == FOURCC_sawb )
1158 /* Ignore channelcount for AMR (3gpp AMRSpecificBox) */
1159 p_box->data.p_sample_soun->i_channelcount = 1;
1162 if( p_box->i_type == FOURCC_alac )
1164 if( p_box->data.p_sample_soun->p_qt_description )
1165 free( p_box->data.p_sample_soun->p_qt_description );
1167 p_box->data.p_sample_soun->p_qt_description = malloc( i_read );
1168 p_box->data.p_sample_soun->i_qt_description = i_read;
1169 memcpy( p_box->data.p_sample_soun->p_qt_description, p_peek, i_read );
1173 MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */
1177 msg_Dbg( p_stream, "read box: \"soun\" in stsd channel %d "
1178 "sample size %d sample rate %f",
1179 p_box->data.p_sample_soun->i_channelcount,
1180 p_box->data.p_sample_soun->i_samplesize,
1181 (float)p_box->data.p_sample_soun->i_sampleratehi +
1182 (float)p_box->data.p_sample_soun->i_sampleratelo / 65536 );
1185 MP4_READBOX_EXIT( 1 );
1189 static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
1191 FREE( p_box->data.p_sample_soun->p_qt_description );
1193 if( p_box->i_type == FOURCC_drms )
1195 if( p_box->data.p_sample_soun->p_drms )
1197 drms_free( p_box->data.p_sample_soun->p_drms );
1203 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
1207 MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
1209 for( i = 0; i < 6 ; i++ )
1211 MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
1214 MP4_GET2BYTES( p_box->data.p_sample_vide->i_data_reference_index );
1217 * XXX hack -> produce a copy of the nearly complete chunk
1221 p_box->data.p_sample_vide->i_qt_image_description = i_read;
1222 p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
1223 memcpy( p_box->data.p_sample_vide->p_qt_image_description,
1228 p_box->data.p_sample_vide->i_qt_image_description = 0;
1229 p_box->data.p_sample_vide->p_qt_image_description = NULL;
1232 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_version );
1233 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_revision_level );
1234 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_vendor );
1236 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_temporal_quality );
1237 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_spatial_quality );
1239 MP4_GET2BYTES( p_box->data.p_sample_vide->i_width );
1240 MP4_GET2BYTES( p_box->data.p_sample_vide->i_height );
1242 MP4_GET4BYTES( p_box->data.p_sample_vide->i_horizresolution );
1243 MP4_GET4BYTES( p_box->data.p_sample_vide->i_vertresolution );
1245 MP4_GET4BYTES( p_box->data.p_sample_vide->i_qt_data_size );
1246 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_frame_count );
1248 memcpy( &p_box->data.p_sample_vide->i_compressorname, p_peek, 32 );
1249 p_peek += 32; i_read -= 32;
1251 MP4_GET2BYTES( p_box->data.p_sample_vide->i_depth );
1252 MP4_GET2BYTES( p_box->data.p_sample_vide->i_qt_color_table );
1254 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 78);
1255 MP4_ReadBoxContainerRaw( p_stream, p_box );
1258 msg_Dbg( p_stream, "read box: \"vide\" in stsd %dx%d depth %d",
1259 p_box->data.p_sample_vide->i_width,
1260 p_box->data.p_sample_vide->i_height,
1261 p_box->data.p_sample_vide->i_depth );
1264 MP4_READBOX_EXIT( 1 );
1268 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
1270 FREE( p_box->data.p_sample_vide->p_qt_image_description );
1273 static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
1275 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1276 MP4_ReadBoxContainerRaw( p_stream, p_box );
1280 static int MP4_ReadBox_sample_text( stream_t *p_stream, MP4_Box_t *p_box )
1284 MP4_READBOX_ENTER( MP4_Box_data_sample_text_t );
1286 for( i = 0; i < 6 ; i++ )
1288 MP4_GET1BYTE( p_box->data.p_sample_text->i_reserved1[i] );
1290 MP4_GET2BYTES( p_box->data.p_sample_text->i_data_reference_index );
1292 MP4_GET4BYTES( p_box->data.p_sample_text->i_display_flags );
1293 MP4_GET4BYTES( p_box->data.p_sample_text->i_justification );
1295 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[0] );
1296 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[1] );
1297 MP4_GET2BYTES( p_box->data.p_sample_text->i_background_color[2] );
1299 MP4_GET8BYTES( p_box->data.p_sample_text->i_text_box );
1300 MP4_GET8BYTES( p_box->data.p_sample_text->i_reserved2 );
1302 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_number );
1303 MP4_GET2BYTES( p_box->data.p_sample_text->i_font_face );
1305 MP4_GET2BYTES( p_box->data.p_sample_text->i_reserved3 );
1307 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[0] );
1308 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[1] );
1309 MP4_GET2BYTES( p_box->data.p_sample_text->i_foreground_color[2] );
1312 p_box->data.p_sample_text->psz_text_name = malloc( i + 1 );
1313 memcpy( p_box->data.p_sample_text->psz_text_name, p_peek, i );
1314 p_box->data.p_sample_text->psz_text_name[i] = '\0';
1317 msg_Dbg( p_stream, "read box: \"text\" in stsd text name=%s",
1318 p_box->data.p_sample_text->psz_text_name );
1320 MP4_READBOX_EXIT( 1 );
1324 /* We can't easily call it, and anyway ~ 20 bytes lost isn't a real problem */
1325 static void MP4_FreeBox_sample_text( MP4_Box_t *p_box )
1327 FREE( p_box->data.p_sample_text->psz_text_name );
1332 static int MP4_ReadBox_stsd( stream_t *p_stream, MP4_Box_t *p_box )
1335 MP4_READBOX_ENTER( MP4_Box_data_stsd_t );
1337 MP4_GETVERSIONFLAGS( p_box->data.p_stsd );
1339 MP4_GET4BYTES( p_box->data.p_stsd->i_entry_count );
1341 stream_Seek( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 8 );
1343 MP4_ReadBoxContainerRaw( p_stream, p_box );
1346 msg_Dbg( p_stream, "read box: \"stsd\" entry-count %d",
1347 p_box->data.p_stsd->i_entry_count );
1350 MP4_READBOX_EXIT( 1 );
1354 static int MP4_ReadBox_stsz( stream_t *p_stream, MP4_Box_t *p_box )
1358 MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
1360 MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
1362 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
1364 MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
1366 p_box->data.p_stsz->i_entry_size =
1367 calloc( sizeof( uint32_t ), p_box->data.p_stsz->i_sample_count );
1369 if( !p_box->data.p_stsz->i_sample_size )
1371 for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
1373 MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
1378 msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
1379 p_box->data.p_stsz->i_sample_size,
1380 p_box->data.p_stsz->i_sample_count );
1383 MP4_READBOX_EXIT( 1 );
1386 static void MP4_FreeBox_stsz( MP4_Box_t *p_box )
1388 FREE( p_box->data.p_stsz->i_entry_size );
1391 static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
1395 MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
1397 MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
1399 MP4_GET4BYTES( p_box->data.p_stsc->i_entry_count );
1401 p_box->data.p_stsc->i_first_chunk =
1402 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1403 p_box->data.p_stsc->i_samples_per_chunk =
1404 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1405 p_box->data.p_stsc->i_sample_description_index =
1406 calloc( sizeof( uint32_t ), p_box->data.p_stsc->i_entry_count );
1408 for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
1410 MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
1411 MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
1412 MP4_GET4BYTES( p_box->data.p_stsc->i_sample_description_index[i] );
1416 msg_Dbg( p_stream, "read box: \"stsc\" entry-count %d",
1417 p_box->data.p_stsc->i_entry_count );
1420 MP4_READBOX_EXIT( 1 );
1423 static void MP4_FreeBox_stsc( MP4_Box_t *p_box )
1425 FREE( p_box->data.p_stsc->i_first_chunk );
1426 FREE( p_box->data.p_stsc->i_samples_per_chunk );
1427 FREE( p_box->data.p_stsc->i_sample_description_index );
1430 static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
1434 MP4_READBOX_ENTER( MP4_Box_data_co64_t );
1436 MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
1438 MP4_GET4BYTES( p_box->data.p_co64->i_entry_count );
1440 p_box->data.p_co64->i_chunk_offset =
1441 calloc( sizeof( uint64_t ), p_box->data.p_co64->i_entry_count );
1443 for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
1445 if( p_box->i_type == FOURCC_stco )
1451 MP4_GET4BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1459 MP4_GET8BYTES( p_box->data.p_co64->i_chunk_offset[i] );
1464 msg_Dbg( p_stream, "read box: \"co64\" entry-count %d",
1465 p_box->data.p_co64->i_entry_count );
1468 MP4_READBOX_EXIT( 1 );
1471 static void MP4_FreeBox_stco_co64( MP4_Box_t *p_box )
1473 FREE( p_box->data.p_co64->i_chunk_offset );
1476 static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
1480 MP4_READBOX_ENTER( MP4_Box_data_stss_t );
1482 MP4_GETVERSIONFLAGS( p_box->data.p_stss );
1484 MP4_GET4BYTES( p_box->data.p_stss->i_entry_count );
1486 p_box->data.p_stss->i_sample_number =
1487 calloc( sizeof( uint32_t ), p_box->data.p_stss->i_entry_count );
1489 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
1492 MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
1493 /* XXX in libmp4 sample begin at 0 */
1494 p_box->data.p_stss->i_sample_number[i]--;
1498 msg_Dbg( p_stream, "read box: \"stss\" entry-count %d",
1499 p_box->data.p_stss->i_entry_count );
1502 MP4_READBOX_EXIT( 1 );
1505 static void MP4_FreeBox_stss( MP4_Box_t *p_box )
1507 FREE( p_box->data.p_stss->i_sample_number )
1510 static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
1514 MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
1516 MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
1519 MP4_GET4BYTES( p_box->data.p_stsh->i_entry_count );
1521 p_box->data.p_stsh->i_shadowed_sample_number =
1522 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1524 p_box->data.p_stsh->i_sync_sample_number =
1525 calloc( sizeof( uint32_t ), p_box->data.p_stsh->i_entry_count );
1528 for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
1531 MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
1532 MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
1536 msg_Dbg( p_stream, "read box: \"stsh\" entry-count %d",
1537 p_box->data.p_stsh->i_entry_count );
1539 MP4_READBOX_EXIT( 1 );
1542 static void MP4_FreeBox_stsh( MP4_Box_t *p_box )
1544 FREE( p_box->data.p_stsh->i_shadowed_sample_number )
1545 FREE( p_box->data.p_stsh->i_sync_sample_number )
1549 static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
1553 MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
1555 MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
1557 p_box->data.p_stdp->i_priority =
1558 calloc( sizeof( uint16_t ), i_read / 2 );
1560 for( i = 0; i < i_read / 2 ; i++ )
1563 MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
1567 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1571 MP4_READBOX_EXIT( 1 );
1574 static void MP4_FreeBox_stdp( MP4_Box_t *p_box )
1576 FREE( p_box->data.p_stdp->i_priority )
1579 static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
1583 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1585 MP4_GETVERSIONFLAGS( p_box->data.p_padb );
1588 MP4_GET4BYTES( p_box->data.p_padb->i_sample_count );
1590 p_box->data.p_padb->i_reserved1 =
1591 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1592 p_box->data.p_padb->i_pad2 =
1593 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1594 p_box->data.p_padb->i_reserved2 =
1595 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1596 p_box->data.p_padb->i_pad1 =
1597 calloc( sizeof( uint16_t ), ( p_box->data.p_padb->i_sample_count + 1 ) / 2 );
1600 for( i = 0; i < i_read / 2 ; i++ )
1602 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 7 )&0x01;
1603 p_box->data.p_padb->i_pad2[i] = ( (*p_peek) >> 4 )&0x07;
1604 p_box->data.p_padb->i_reserved1[i] = ( (*p_peek) >> 3 )&0x01;
1605 p_box->data.p_padb->i_pad1[i] = ( (*p_peek) )&0x07;
1607 p_peek += 1; i_read -= 1;
1611 msg_Dbg( p_stream, "read box: \"stdp\" entry-count "I64Fd,
1615 MP4_READBOX_EXIT( 1 );
1618 static void MP4_FreeBox_padb( MP4_Box_t *p_box )
1620 FREE( p_box->data.p_padb->i_reserved1 );
1621 FREE( p_box->data.p_padb->i_pad2 );
1622 FREE( p_box->data.p_padb->i_reserved2 );
1623 FREE( p_box->data.p_padb->i_pad1 );
1626 static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
1630 MP4_READBOX_ENTER( MP4_Box_data_padb_t );
1632 MP4_GETVERSIONFLAGS( p_box->data.p_elst );
1635 MP4_GET4BYTES( p_box->data.p_elst->i_entry_count );
1637 p_box->data.p_elst->i_segment_duration =
1638 calloc( sizeof( uint64_t ), p_box->data.p_elst->i_entry_count );
1639 p_box->data.p_elst->i_media_time =
1640 calloc( sizeof( int64_t ), p_box->data.p_elst->i_entry_count );
1641 p_box->data.p_elst->i_media_rate_integer =
1642 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1643 p_box->data.p_elst->i_media_rate_fraction=
1644 calloc( sizeof( uint16_t ), p_box->data.p_elst->i_entry_count );
1647 for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
1649 if( p_box->data.p_elst->i_version == 1 )
1652 MP4_GET8BYTES( p_box->data.p_elst->i_segment_duration[i] );
1654 MP4_GET8BYTES( p_box->data.p_elst->i_media_time[i] );
1659 MP4_GET4BYTES( p_box->data.p_elst->i_segment_duration[i] );
1661 MP4_GET4BYTES( p_box->data.p_elst->i_media_time[i] );
1662 p_box->data.p_elst->i_media_time[i] = (int32_t)p_box->data.p_elst->i_media_time[i];
1665 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_integer[i] );
1666 MP4_GET2BYTES( p_box->data.p_elst->i_media_rate_fraction[i] );
1670 msg_Dbg( p_stream, "read box: \"elst\" entry-count "I64Fd,
1674 MP4_READBOX_EXIT( 1 );
1677 static void MP4_FreeBox_elst( MP4_Box_t *p_box )
1679 FREE( p_box->data.p_elst->i_segment_duration );
1680 FREE( p_box->data.p_elst->i_media_time );
1681 FREE( p_box->data.p_elst->i_media_rate_integer );
1682 FREE( p_box->data.p_elst->i_media_rate_fraction );
1685 static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
1687 unsigned int i_language;
1690 MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
1692 MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
1694 i_language = GetWBE( p_peek );
1695 for( i = 0; i < 3; i++ )
1697 p_box->data.p_cprt->i_language[i] =
1698 ( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
1700 p_peek += 2; i_read -= 2;
1701 MP4_GETSTRINGZ( p_box->data.p_cprt->psz_notice );
1704 msg_Dbg( p_stream, "read box: \"cprt\" language %c%c%c notice %s",
1705 p_box->data.p_cprt->i_language[0],
1706 p_box->data.p_cprt->i_language[1],
1707 p_box->data.p_cprt->i_language[2],
1708 p_box->data.p_cprt->psz_notice );
1711 MP4_READBOX_EXIT( 1 );
1714 static void MP4_FreeBox_cprt( MP4_Box_t *p_box )
1716 FREE( p_box->data.p_cprt->psz_notice );
1720 static int MP4_ReadBox_dcom( stream_t *p_stream, MP4_Box_t *p_box )
1722 MP4_READBOX_ENTER( MP4_Box_data_dcom_t );
1724 MP4_GETFOURCC( p_box->data.p_dcom->i_algorithm );
1727 "read box: \"dcom\" compression algorithm : %4.4s",
1728 (char*)&p_box->data.p_dcom->i_algorithm );
1730 MP4_READBOX_EXIT( 1 );
1733 static int MP4_ReadBox_cmvd( stream_t *p_stream, MP4_Box_t *p_box )
1735 MP4_READBOX_ENTER( MP4_Box_data_cmvd_t );
1737 MP4_GET4BYTES( p_box->data.p_cmvd->i_uncompressed_size );
1739 p_box->data.p_cmvd->i_compressed_size = i_read;
1741 if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
1743 msg_Dbg( p_stream, "read box: \"cmvd\" not enough memory to load data" );
1747 /* now copy compressed data */
1748 memcpy( p_box->data.p_cmvd->p_data,
1752 p_box->data.p_cmvd->b_compressed = 1;
1755 msg_Dbg( p_stream, "read box: \"cmvd\" compressed data size %d",
1756 p_box->data.p_cmvd->i_compressed_size );
1759 MP4_READBOX_EXIT( 1 );
1761 static void MP4_FreeBox_cmvd( MP4_Box_t *p_box )
1763 FREE( p_box->data.p_cmvd->p_data );
1767 static int MP4_ReadBox_cmov( stream_t *p_stream, MP4_Box_t *p_box )
1773 stream_t *p_stream_memory;
1779 if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
1781 msg_Err( p_stream, "out of memory" );
1784 memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
1786 if( !p_box->p_father ||
1787 ( p_box->p_father->i_type != FOURCC_moov &&
1788 p_box->p_father->i_type != FOURCC_foov ) )
1790 msg_Warn( p_stream, "Read box: \"cmov\" box alone" );
1794 if( !MP4_ReadBoxContainer( p_stream, p_box ) )
1799 if( ( p_dcom = MP4_BoxGet( p_box, "dcom" ) ) == NULL ||
1800 ( p_cmvd = MP4_BoxGet( p_box, "cmvd" ) ) == NULL ||
1801 p_cmvd->data.p_cmvd->p_data == NULL )
1803 msg_Warn( p_stream, "read box: \"cmov\" incomplete" );
1807 if( p_dcom->data.p_dcom->i_algorithm != FOURCC_zlib )
1809 msg_Dbg( p_stream, "read box: \"cmov\" compression algorithm : %4.4s "
1810 "not supported", (char*)&p_dcom->data.p_dcom->i_algorithm );
1815 msg_Dbg( p_stream, "read box: \"cmov\" zlib unsupported" );
1819 /* decompress data */
1820 /* allocate a new buffer */
1821 if( !( p_data = malloc( p_cmvd->data.p_cmvd->i_uncompressed_size ) ) )
1823 msg_Err( p_stream, "read box: \"cmov\" not enough memory to "
1824 "uncompress data" );
1827 /* init default structures */
1828 z_data.next_in = p_cmvd->data.p_cmvd->p_data;
1829 z_data.avail_in = p_cmvd->data.p_cmvd->i_compressed_size;
1830 z_data.next_out = p_data;
1831 z_data.avail_out = p_cmvd->data.p_cmvd->i_uncompressed_size;
1832 z_data.zalloc = (alloc_func)Z_NULL;
1833 z_data.zfree = (free_func)Z_NULL;
1834 z_data.opaque = (voidpf)Z_NULL;
1837 if( inflateInit( &z_data ) != Z_OK )
1839 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1845 i_result = inflate( &z_data, Z_NO_FLUSH );
1846 if( i_result != Z_OK && i_result != Z_STREAM_END )
1848 msg_Err( p_stream, "read box: \"cmov\" error while uncompressing" );
1853 if( p_cmvd->data.p_cmvd->i_uncompressed_size != z_data.total_out )
1855 msg_Warn( p_stream, "read box: \"cmov\" uncompressing data size "
1858 p_cmvd->data.p_cmvd->i_uncompressed_size = z_data.total_out;
1861 if( inflateEnd( &z_data ) != Z_OK )
1863 msg_Warn( p_stream, "read box: \"cmov\" error while uncompressing "
1867 free( p_cmvd->data.p_cmvd->p_data );
1868 p_cmvd->data.p_cmvd->p_data = p_data;
1869 p_cmvd->data.p_cmvd->b_compressed = 0;
1871 msg_Dbg( p_stream, "read box: \"cmov\" box succesfully uncompressed" );
1873 /* now create a memory stream */
1875 stream_MemoryNew( VLC_OBJECT(p_stream), p_cmvd->data.p_cmvd->p_data,
1876 p_cmvd->data.p_cmvd->i_uncompressed_size, VLC_TRUE );
1878 /* and read uncompressd moov */
1879 p_box->data.p_cmov->p_moov = MP4_ReadBox( p_stream_memory, NULL );
1881 stream_Delete( p_stream_memory );
1884 msg_Dbg( p_stream, "read box: \"cmov\" compressed movie header completed");
1887 return p_box->data.p_cmov->p_moov ? 1 : 0;
1888 #endif /* HAVE_ZLIB_H */
1891 static int MP4_ReadBox_rdrf( stream_t *p_stream, MP4_Box_t *p_box )
1894 MP4_READBOX_ENTER( MP4_Box_data_rdrf_t );
1896 MP4_GETVERSIONFLAGS( p_box->data.p_rdrf );
1897 MP4_GETFOURCC( p_box->data.p_rdrf->i_ref_type );
1898 MP4_GET4BYTES( i_len );
1902 p_box->data.p_rdrf->psz_ref = malloc( i_len + 1);
1903 for( i = 0; i < i_len; i++ )
1905 MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
1907 p_box->data.p_rdrf->psz_ref[i_len] = '\0';
1911 p_box->data.p_rdrf->psz_ref = NULL;
1916 "read box: \"rdrf\" type:%4.4s ref %s",
1917 (char*)&p_box->data.p_rdrf->i_ref_type,
1918 p_box->data.p_rdrf->psz_ref );
1921 MP4_READBOX_EXIT( 1 );
1924 static void MP4_FreeBox_rdrf( MP4_Box_t *p_box )
1926 FREE( p_box->data.p_rdrf->psz_ref )
1930 static int MP4_ReadBox_rmdr( stream_t *p_stream, MP4_Box_t *p_box )
1932 MP4_READBOX_ENTER( MP4_Box_data_rmdr_t );
1934 MP4_GETVERSIONFLAGS( p_box->data.p_rmdr );
1936 MP4_GET4BYTES( p_box->data.p_rmdr->i_rate );
1940 "read box: \"rmdr\" rate:%d",
1941 p_box->data.p_rmdr->i_rate );
1943 MP4_READBOX_EXIT( 1 );
1946 static int MP4_ReadBox_rmqu( stream_t *p_stream, MP4_Box_t *p_box )
1948 MP4_READBOX_ENTER( MP4_Box_data_rmqu_t );
1950 MP4_GET4BYTES( p_box->data.p_rmqu->i_quality );
1954 "read box: \"rmqu\" quality:%d",
1955 p_box->data.p_rmqu->i_quality );
1957 MP4_READBOX_EXIT( 1 );
1960 static int MP4_ReadBox_rmvc( stream_t *p_stream, MP4_Box_t *p_box )
1962 MP4_READBOX_ENTER( MP4_Box_data_rmvc_t );
1963 MP4_GETVERSIONFLAGS( p_box->data.p_rmvc );
1965 MP4_GETFOURCC( p_box->data.p_rmvc->i_gestaltType );
1966 MP4_GET4BYTES( p_box->data.p_rmvc->i_val1 );
1967 MP4_GET4BYTES( p_box->data.p_rmvc->i_val2 );
1968 MP4_GET2BYTES( p_box->data.p_rmvc->i_checkType );
1972 "read box: \"rmvc\" gestaltType:%4.4s val1:0x%x val2:0x%x checkType:0x%x",
1973 (char*)&p_box->data.p_rmvc->i_gestaltType,
1974 p_box->data.p_rmvc->i_val1,p_box->data.p_rmvc->i_val2,
1975 p_box->data.p_rmvc->i_checkType );
1978 MP4_READBOX_EXIT( 1 );
1981 static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
1983 MP4_Box_t *p_drms_box = p_box;
1985 MP4_READBOX_ENTER( uint8_t );
1989 p_drms_box = p_drms_box->p_father;
1990 } while( p_drms_box && p_drms_box->i_type != FOURCC_drms );
1992 if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms )
1994 if( drms_init( p_drms_box->data.p_sample_soun->p_drms,
1995 p_box->i_type, p_peek, i_read ) )
1997 msg_Err( p_stream, "drms_init( %4.4s ) failed",
1998 (char *)&p_box->i_type );
2000 drms_free( p_drms_box->data.p_sample_soun->p_drms );
2001 p_drms_box->data.p_sample_soun->p_drms = NULL;
2005 MP4_READBOX_EXIT( 1 );
2008 static int MP4_ReadBox_0xa9xxx( stream_t *p_stream, MP4_Box_t *p_box )
2010 int16_t i_length, i_dummy;
2012 MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
2014 p_box->data.p_0xa9xxx->psz_text = NULL;
2016 MP4_GET2BYTES( i_length );
2017 MP4_GET2BYTES( i_dummy );
2021 if( i_length > i_read ) i_length = i_read;
2023 p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
2025 memcpy( p_box->data.p_0xa9xxx->psz_text,
2027 p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
2031 "read box: \"%4.4s\" text=`%s'",
2032 (char*)&p_box->i_type,
2033 p_box->data.p_0xa9xxx->psz_text );
2037 MP4_READBOX_EXIT( 1 );
2039 static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
2041 FREE( p_box->data.p_0xa9xxx->psz_text );
2045 static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
2047 if( !p_box->p_father )
2051 if( p_box->p_father->i_type == FOURCC_stsd )
2053 MP4_Box_t *p_mdia = MP4_BoxGet( p_box, "../../../.." );
2056 if( p_mdia == NULL || p_mdia->i_type != FOURCC_mdia ||
2057 (p_hdlr = MP4_BoxGet( p_mdia, "hdlr" )) == NULL )
2061 switch( p_hdlr->data.p_hdlr->i_handler_type )
2064 return MP4_ReadBox_sample_soun( p_stream, p_box );
2066 return MP4_ReadBox_sample_vide( p_stream, p_box );
2068 return MP4_ReadBox_sample_text( p_stream, p_box );
2071 "unknown handler type in stsd (uncompletetly loaded)" );
2078 "unknown box type %4.4s (uncompletetly loaded)",
2079 (char*)&p_box->i_type );
2084 /**** ------------------------------------------------------------------- ****/
2085 /**** "Higher level" Functions ****/
2086 /**** ------------------------------------------------------------------- ****/
2091 int (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
2092 void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
2093 } MP4_Box_Function [] =
2096 { FOURCC_moov, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2097 { FOURCC_trak, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2098 { FOURCC_mdia, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2099 { FOURCC_moof, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2100 { FOURCC_minf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2101 { FOURCC_stbl, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2102 { FOURCC_dinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2103 { FOURCC_edts, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2104 { FOURCC_udta, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2105 { FOURCC_nmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2106 { FOURCC_hnti, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2107 { FOURCC_rmra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2108 { FOURCC_rmda, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2109 { FOURCC_tref, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2110 { FOURCC_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2111 { FOURCC_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2114 { FOURCC_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
2115 { FOURCC_cmov, MP4_ReadBox_cmov, MP4_FreeBox_Common },
2116 { FOURCC_mvhd, MP4_ReadBox_mvhd, MP4_FreeBox_Common },
2117 { FOURCC_tkhd, MP4_ReadBox_tkhd, MP4_FreeBox_Common },
2118 { FOURCC_mdhd, MP4_ReadBox_mdhd, MP4_FreeBox_Common },
2119 { FOURCC_hdlr, MP4_ReadBox_hdlr, MP4_FreeBox_hdlr },
2120 { FOURCC_vmhd, MP4_ReadBox_vmhd, MP4_FreeBox_Common },
2121 { FOURCC_smhd, MP4_ReadBox_smhd, MP4_FreeBox_Common },
2122 { FOURCC_hmhd, MP4_ReadBox_hmhd, MP4_FreeBox_Common },
2123 { FOURCC_url, MP4_ReadBox_url, MP4_FreeBox_url },
2124 { FOURCC_urn, MP4_ReadBox_urn, MP4_FreeBox_urn },
2125 { FOURCC_dref, MP4_ReadBox_dref, MP4_FreeBox_Common },
2126 { FOURCC_stts, MP4_ReadBox_stts, MP4_FreeBox_stts },
2127 { FOURCC_ctts, MP4_ReadBox_ctts, MP4_FreeBox_ctts },
2128 { FOURCC_stsd, MP4_ReadBox_stsd, MP4_FreeBox_Common },
2129 { FOURCC_stsz, MP4_ReadBox_stsz, MP4_FreeBox_stsz },
2130 { FOURCC_stsc, MP4_ReadBox_stsc, MP4_FreeBox_stsc },
2131 { FOURCC_stco, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2132 { FOURCC_co64, MP4_ReadBox_stco_co64, MP4_FreeBox_stco_co64 },
2133 { FOURCC_stss, MP4_ReadBox_stss, MP4_FreeBox_stss },
2134 { FOURCC_stsh, MP4_ReadBox_stsh, MP4_FreeBox_stsh },
2135 { FOURCC_stdp, MP4_ReadBox_stdp, MP4_FreeBox_stdp },
2136 { FOURCC_padb, MP4_ReadBox_padb, MP4_FreeBox_padb },
2137 { FOURCC_elst, MP4_ReadBox_elst, MP4_FreeBox_elst },
2138 { FOURCC_cprt, MP4_ReadBox_cprt, MP4_FreeBox_cprt },
2139 { FOURCC_esds, MP4_ReadBox_esds, MP4_FreeBox_esds },
2140 { FOURCC_dcom, MP4_ReadBox_dcom, MP4_FreeBox_Common },
2141 { FOURCC_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
2142 { FOURCC_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
2144 /* Nothing to do with this box */
2145 { FOURCC_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2146 { FOURCC_skip, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2147 { FOURCC_free, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2148 { FOURCC_wide, MP4_ReadBoxSkip, MP4_FreeBox_Common },
2151 { FOURCC_soun, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2152 { FOURCC_ms02, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2153 { FOURCC_ms11, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2154 { FOURCC_ms55, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2155 { FOURCC__mp3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2156 { FOURCC_mp4a, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2157 { FOURCC_twos, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2158 { FOURCC_sowt, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2159 { FOURCC_QDMC, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2160 { FOURCC_QDM2, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2161 { FOURCC_ima4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2162 { FOURCC_IMA4, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2163 { FOURCC_dvi, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2164 { FOURCC_alaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2165 { FOURCC_ulaw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2166 { FOURCC_raw, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2167 { FOURCC_MAC3, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2168 { FOURCC_MAC6, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2169 { FOURCC_Qclp, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2170 { FOURCC_samr, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2171 { FOURCC_sawb, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2172 { FOURCC_OggS, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2173 { FOURCC_alac, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2175 { FOURCC_vide, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2176 { FOURCC_mp4v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2177 { FOURCC_SVQ1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2178 { FOURCC_SVQ3, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2179 { FOURCC_ZyGo, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2180 { FOURCC_DIVX, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2181 { FOURCC_XVID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2182 { FOURCC_h263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2183 { FOURCC_s263, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2184 { FOURCC_cvid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2185 { FOURCC_3IV1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2186 { FOURCC_3iv1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2187 { FOURCC_3IV2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2188 { FOURCC_3iv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2189 { FOURCC_3IVD, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2190 { FOURCC_3ivd, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2191 { FOURCC_3VID, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2192 { FOURCC_3vid, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2193 { FOURCC_mjpa, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2194 { FOURCC_mjpb, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2195 { FOURCC_qdrw, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2196 { FOURCC_mp2v, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2197 { FOURCC_hdv2, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2199 { FOURCC_mjqt, MP4_ReadBox_default, NULL }, /* found in mjpa/b */
2200 { FOURCC_mjht, MP4_ReadBox_default, NULL },
2202 { FOURCC_dvc, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2203 { FOURCC_dvp, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2204 { FOURCC_VP31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2205 { FOURCC_vp31, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2206 { FOURCC_h264, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2208 { FOURCC_jpeg, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2209 { FOURCC_avc1, MP4_ReadBox_sample_vide, MP4_FreeBox_sample_vide },
2211 { FOURCC_mp4s, MP4_ReadBox_sample_mp4s, MP4_FreeBox_Common },
2213 /* XXX there is 2 box where we could find this entry stbl and tref*/
2214 { FOURCC_hint, MP4_ReadBox_default, MP4_FreeBox_Common },
2216 /* found in tref box */
2217 { FOURCC_dpnd, MP4_ReadBox_default, NULL },
2218 { FOURCC_ipir, MP4_ReadBox_default, NULL },
2219 { FOURCC_mpod, MP4_ReadBox_default, NULL },
2222 { FOURCC_rtp, MP4_ReadBox_default, NULL },
2225 { FOURCC_rdrf, MP4_ReadBox_rdrf, MP4_FreeBox_rdrf },
2226 { FOURCC_rmdr, MP4_ReadBox_rmdr, MP4_FreeBox_Common },
2227 { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common },
2228 { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common },
2230 { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun },
2231 { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2232 { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common },
2233 { FOURCC_user, MP4_ReadBox_drms, MP4_FreeBox_Common },
2234 { FOURCC_key, MP4_ReadBox_drms, MP4_FreeBox_Common },
2235 { FOURCC_iviv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2236 { FOURCC_name, MP4_ReadBox_drms, MP4_FreeBox_Common },
2237 { FOURCC_priv, MP4_ReadBox_drms, MP4_FreeBox_Common },
2240 { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2241 { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2242 { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2243 { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2244 { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2245 { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2246 { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2247 { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2248 { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2249 { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2250 { FOURCC_0xa9des,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2251 { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2252 { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2253 { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2254 { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2255 { FOURCC_0xa9alb,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2256 { FOURCC_0xa9dis,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2257 { FOURCC_0xa9enc,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2258 { FOURCC_0xa9gen,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2259 { FOURCC_0xa9trk,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2260 { FOURCC_0xa9dsa,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2261 { FOURCC_0xa9hst,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2262 { FOURCC_0xa9url,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2263 { FOURCC_0xa9ope,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2264 { FOURCC_0xa9com,MP4_ReadBox_0xa9xxx, MP4_FreeBox_0xa9xxx },
2267 { 0, MP4_ReadBox_default, NULL }
2272 /*****************************************************************************
2273 * MP4_ReadBox : parse the actual box and the children
2274 * XXX : Do not go to the next box
2275 *****************************************************************************/
2276 static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
2278 MP4_Box_t *p_box = malloc( sizeof( MP4_Box_t ) );
2279 unsigned int i_index;
2281 if( !MP4_ReadBoxCommon( p_stream, p_box ) )
2283 msg_Warn( p_stream, "cannot read one box" );
2287 if( !p_box->i_size )
2289 msg_Dbg( p_stream, "found an empty box (null size)" );
2293 p_box->p_father = p_father;
2295 /* Now search function to call */
2296 for( i_index = 0; ; i_index++ )
2298 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2299 ( MP4_Box_Function[i_index].i_type == 0 ) )
2305 if( !(MP4_Box_Function[i_index].MP4_ReadBox_function)( p_stream, p_box ) )
2314 /*****************************************************************************
2315 * MP4_FreeBox : free memory after read with MP4_ReadBox and all
2317 *****************************************************************************/
2318 void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
2320 unsigned int i_index;
2328 for( p_child = p_box->p_first; p_child != NULL; )
2332 p_next = p_child->p_next;
2333 MP4_BoxFree( s, p_child );
2337 /* Now search function to call */
2338 if( p_box->data.p_data )
2340 for( i_index = 0; ; i_index++ )
2342 if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
2343 ( MP4_Box_Function[i_index].i_type == 0 ) )
2348 if( MP4_Box_Function[i_index].MP4_FreeBox_function == NULL )
2350 /* Should not happen */
2352 "cannot free box %4.4s, type unknown",
2353 (char*)&p_box->i_type );
2357 MP4_Box_Function[i_index].MP4_FreeBox_function( p_box );
2360 free( p_box->data.p_data );
2366 /*****************************************************************************
2367 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
2368 *****************************************************************************
2369 * The first box is a virtual box "root" and is the father for all first
2370 * level boxes for the file, a sort of virtual contener
2371 *****************************************************************************/
2372 MP4_Box_t *MP4_BoxGetRoot( stream_t *s )
2378 p_root = malloc( sizeof( MP4_Box_t ) );
2380 p_root->i_type = VLC_FOURCC( 'r', 'o', 'o', 't' );
2381 p_root->i_shortsize = 1;
2382 p_root->i_size = stream_Size( s );
2383 CreateUUID( &p_root->i_uuid, p_root->i_type );
2385 p_root->data.p_data = NULL;
2386 p_root->p_father = NULL;
2387 p_root->p_first = NULL;
2388 p_root->p_last = NULL;
2389 p_root->p_next = NULL;
2393 i_result = MP4_ReadBoxContainerRaw( p_stream, p_root );
2401 /* check if there is a cmov, if so replace
2402 compressed moov by uncompressed one */
2403 if( ( ( p_moov = MP4_BoxGet( p_root, "moov" ) ) &&
2404 ( p_cmov = MP4_BoxGet( p_root, "moov/cmov" ) ) ) ||
2405 ( ( p_moov = MP4_BoxGet( p_root, "foov" ) ) &&
2406 ( p_cmov = MP4_BoxGet( p_root, "foov/cmov" ) ) ) )
2408 /* rename the compressed moov as a box to skip */
2409 p_moov->i_type = FOURCC_skip;
2411 /* get uncompressed p_moov */
2412 p_moov = p_cmov->data.p_cmov->p_moov;
2413 p_cmov->data.p_cmov->p_moov = NULL;
2415 /* make p_root father of this new moov */
2416 p_moov->p_father = p_root;
2418 /* insert this new moov box as first child of p_root */
2419 p_moov->p_next = p_child = p_root->p_first;
2420 p_root->p_first = p_moov;
2428 static void __MP4_BoxDumpStructure( stream_t *s,
2429 MP4_Box_t *p_box, unsigned int i_level )
2435 msg_Dbg( s, "dumping root Box \"%4.4s\"",
2436 (char*)&p_box->i_type );
2442 memset( str, (uint8_t)' ', 512 );
2443 for( i = 0; i < i_level; i++ )
2447 sprintf( str + i_level * 5, "+ %4.4s size %d",
2448 (char*)&p_box->i_type,
2449 (uint32_t)p_box->i_size );
2451 msg_Dbg( s, "%s", str );
2453 p_child = p_box->p_first;
2456 __MP4_BoxDumpStructure( s, p_child, i_level + 1 );
2457 p_child = p_child->p_next;
2461 void MP4_BoxDumpStructure( stream_t *s, MP4_Box_t *p_box )
2463 __MP4_BoxDumpStructure( s, p_box, 0 );
2468 /*****************************************************************************
2469 *****************************************************************************
2471 ** High level methods to acces an MP4 file
2473 *****************************************************************************
2474 *****************************************************************************/
2475 static void __get_token( char **ppsz_path, char **ppsz_token, int *pi_number )
2478 if( !*ppsz_path[0] )
2485 while( (*ppsz_path)[i_len] &&
2486 (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
2490 if( !i_len && **ppsz_path == '/' )
2494 *ppsz_token = malloc( i_len + 1 );
2496 memcpy( *ppsz_token, *ppsz_path, i_len );
2498 (*ppsz_token)[i_len] = '\0';
2500 *ppsz_path += i_len;
2502 if( **ppsz_path == '[' )
2505 *pi_number = strtol( *ppsz_path, NULL, 10 );
2506 while( **ppsz_path && **ppsz_path != ']' )
2510 if( **ppsz_path == ']' )
2519 while( **ppsz_path == '/' )
2525 static void __MP4_BoxGet( MP4_Box_t **pp_result,
2526 MP4_Box_t *p_box, char *psz_fmt, va_list args)
2536 vasprintf( &psz_path, psz_fmt, args );
2538 if( !psz_path || !psz_path[0] )
2545 // fprintf( stderr, "path:'%s'\n", psz_path );
2546 psz_fmt = psz_path; /* keep this pointer, as it need to be unallocated */
2552 __get_token( &psz_path, &psz_token, &i_number );
2553 // fprintf( stderr, "path:'%s', token:'%s' n:%d\n",
2554 // psz_path,psz_token,i_number );
2563 if( !strcmp( psz_token, "/" ) )
2566 while( p_box && p_box->i_type != VLC_FOURCC( 'r', 'o', 'o', 't' ) )
2568 p_box = p_box->p_father;
2579 if( !strcmp( psz_token, "." ) )
2584 if( !strcmp( psz_token, ".." ) )
2586 p_box = p_box->p_father;
2596 if( strlen( psz_token ) == 4 )
2599 i_fourcc = VLC_FOURCC( psz_token[0], psz_token[1],
2600 psz_token[2], psz_token[3] );
2601 p_box = p_box->p_first;
2611 if( p_box->i_type == i_fourcc )
2619 p_box = p_box->p_next;
2623 if( strlen( psz_token ) == 0 )
2625 p_box = p_box->p_first;
2640 p_box = p_box->p_next;
2645 // fprintf( stderr, "Argg malformed token \"%s\"",psz_token );
2656 /*****************************************************************************
2657 * MP4_BoxGet: find a box given a path relative to p_box
2658 *****************************************************************************
2659 * Path Format: . .. / as usual
2660 * [number] to specifie box number ex: trak[12]
2662 * ex: /moov/trak[12]
2664 *****************************************************************************/
2665 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... )
2668 MP4_Box_t *p_result;
2670 va_start( args, psz_fmt );
2671 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2677 /*****************************************************************************
2678 * MP4_BoxCount: count box given a path relative to p_box
2679 *****************************************************************************
2680 * Path Format: . .. / as usual
2681 * [number] to specifie box number ex: trak[12]
2683 * ex: /moov/trak[12]
2685 *****************************************************************************/
2686 int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... )
2690 MP4_Box_t *p_result, *p_next;
2692 va_start( args, psz_fmt );
2693 __MP4_BoxGet( &p_result, p_box, psz_fmt, args );
2701 for( p_next = p_result->p_next; p_next != NULL; p_next = p_next->p_next)
2703 if( p_next->i_type == p_result->i_type)