2 * \file mlt_multitrack.h
3 * \brief multitrack service class
5 * Copyright (C) 2003-2008 Ushodaya Enterprises Limited
6 * \author Charles Yates <charles.yates@pandora.be>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef _MLT_MULITRACK_H_
24 #define _MLT_MULITRACK_H_
26 #include "mlt_producer.h"
28 /** \brief Track class
33 mlt_producer producer
;
37 typedef struct mlt_track_s
*mlt_track
;
39 /** \brief Multitrack class
41 * \extends mlt_producer_s
44 struct mlt_multitrack_s
46 /* We're extending producer here */
47 struct mlt_producer_s parent
;
53 #define MLT_MULTITRACK_PRODUCER( multitrack ) ( &( multitrack )->parent )
54 #define MLT_MULTITRACK_SERVICE( multitrack ) MLT_PRODUCER_SERVICE( MLT_MULTITRACK_PRODUCER( multitrack ) )
55 #define MLT_MULTITRACK_PROPERTIES( multitrack ) MLT_SERVICE_PROPERTIES( MLT_MULTITRACK_SERVICE( multitrack ) )
57 extern mlt_multitrack
mlt_multitrack_init( );
58 extern mlt_producer
mlt_multitrack_producer( mlt_multitrack self
);
59 extern mlt_service
mlt_multitrack_service( mlt_multitrack self
);
60 extern mlt_properties
mlt_multitrack_properties( mlt_multitrack self
);
61 extern int mlt_multitrack_connect( mlt_multitrack self
, mlt_producer producer
, int track
);
62 extern mlt_position
mlt_multitrack_clip( mlt_multitrack self
, mlt_whence whence
, int index
);
63 extern void mlt_multitrack_close( mlt_multitrack self
);
64 extern int mlt_multitrack_count( mlt_multitrack self
);
65 extern void mlt_multitrack_refresh( mlt_multitrack self
);
66 extern mlt_producer
mlt_multitrack_track( mlt_multitrack self
, int track
);