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66 lines
2.2 KiB
66 lines
2.2 KiB
/*
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* mlt_multitrack.h -- multitrack service class
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* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
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* Author: Charles Yates <charles.yates@pandora.be>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _MLT_MULITRACK_H_
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#define _MLT_MULITRACK_H_
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#include "mlt_producer.h"
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/** Private definition.
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*/
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struct mlt_track_s
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{
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mlt_producer producer;
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mlt_event event;
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};
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typedef struct mlt_track_s *mlt_track;
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struct mlt_multitrack_s
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{
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/* We're extending producer here */
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struct mlt_producer_s parent;
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mlt_track *list;
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int size;
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int count;
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};
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/** Public final methods
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*/
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#define MLT_MULTITRACK_PRODUCER( multitrack ) ( &( multitrack )->parent )
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#define MLT_MULTITRACK_SERVICE( multitrack ) MLT_PRODUCER_SERVICE( MLT_MULTITRACK_PRODUCER( multitrack ) )
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#define MLT_MULTITRACK_PROPERTIES( multitrack ) MLT_SERVICE_PROPERTIES( MLT_MULTITRACK_SERVICE( multitrack ) )
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extern mlt_multitrack mlt_multitrack_init( );
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extern mlt_producer mlt_multitrack_producer( mlt_multitrack self );
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extern mlt_service mlt_multitrack_service( mlt_multitrack self );
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extern mlt_properties mlt_multitrack_properties( mlt_multitrack self );
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extern int mlt_multitrack_connect( mlt_multitrack self, mlt_producer producer, int track );
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extern mlt_position mlt_multitrack_clip( mlt_multitrack self, mlt_whence whence, int index );
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extern void mlt_multitrack_close( mlt_multitrack self );
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extern int mlt_multitrack_count( mlt_multitrack self );
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extern void mlt_multitrack_refresh( mlt_multitrack self );
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extern mlt_producer mlt_multitrack_track( mlt_multitrack self, int track );
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#endif
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