2 * mlt_multitrack.h -- multitrack service class
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Charles Yates <charles.yates@pandora.be>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef _MLT_MULITRACK_H_
22 #define _MLT_MULITRACK_H_
24 #include "mlt_producer.h"
26 /** Private definition.
31 mlt_producer producer
;
35 typedef struct mlt_track_s
*mlt_track
;
37 struct mlt_multitrack_s
39 /* We're extending producer here */
40 struct mlt_producer_s parent
;
46 /** Public final methods
49 #define MLT_MULTITRACK_PRODUCER( multitrack ) ( &( multitrack )->parent )
50 #define MLT_MULTITRACK_SERVICE( multitrack ) MLT_PRODUCER_SERVICE( MLT_MULTITRACK_PRODUCER( multitrack ) )
51 #define MLT_MULTITRACK_PROPERTIES( multitrack ) MLT_SERVICE_PROPERTIES( MLT_MULTITRACK_SERVICE( multitrack ) )
53 extern mlt_multitrack
mlt_multitrack_init( );
54 extern mlt_producer
mlt_multitrack_producer( mlt_multitrack self
);
55 extern mlt_service
mlt_multitrack_service( mlt_multitrack self
);
56 extern mlt_properties
mlt_multitrack_properties( mlt_multitrack self
);
57 extern int mlt_multitrack_connect( mlt_multitrack self
, mlt_producer producer
, int track
);
58 extern mlt_position
mlt_multitrack_clip( mlt_multitrack self
, mlt_whence whence
, int index
);
59 extern void mlt_multitrack_close( mlt_multitrack self
);
60 extern int mlt_multitrack_count( mlt_multitrack self
);
61 extern void mlt_multitrack_refresh( mlt_multitrack self
);
62 extern mlt_producer
mlt_multitrack_track( mlt_multitrack self
, int track
);