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80 lines
3.2 KiB
80 lines
3.2 KiB
/*
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* mlt_producer.h -- abstraction for all producer services
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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_PRODUCER_H_
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#define _MLT_PRODUCER_H_
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#include "mlt_service.h"
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#include "mlt_filter.h"
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/** The interface definition for all producers.
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*/
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struct mlt_producer_s
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{
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/* We're implementing service here */
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struct mlt_service_s parent;
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/* Public virtual methods */
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int ( *get_frame )( mlt_producer, mlt_frame_ptr, int );
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mlt_destructor close;
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void *close_object;
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/* Private data */
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void *local;
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void *child;
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};
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/** Public final methods
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*/
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#define MLT_PRODUCER_SERVICE( producer ) ( &( producer )->parent )
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#define MLT_PRODUCER_PROPERTIES( producer ) MLT_SERVICE_PROPERTIES( MLT_PRODUCER_SERVICE( producer ) )
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extern int mlt_producer_init( mlt_producer self, void *child );
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extern mlt_producer mlt_producer_new( );
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extern mlt_service mlt_producer_service( mlt_producer self );
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extern mlt_properties mlt_producer_properties( mlt_producer self );
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extern int mlt_producer_seek( mlt_producer self, mlt_position position );
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extern mlt_position mlt_producer_position( mlt_producer self );
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extern mlt_position mlt_producer_frame( mlt_producer self );
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extern int mlt_producer_set_speed( mlt_producer self, double speed );
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extern double mlt_producer_get_speed( mlt_producer self );
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extern double mlt_producer_get_fps( mlt_producer self );
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extern int mlt_producer_set_in_and_out( mlt_producer self, mlt_position in, mlt_position out );
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extern int mlt_producer_clear( mlt_producer self );
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extern mlt_position mlt_producer_get_in( mlt_producer self );
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extern mlt_position mlt_producer_get_out( mlt_producer self );
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extern mlt_position mlt_producer_get_playtime( mlt_producer self );
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extern mlt_position mlt_producer_get_length( mlt_producer self );
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extern void mlt_producer_prepare_next( mlt_producer self );
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extern int mlt_producer_attach( mlt_producer self, mlt_filter filter );
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extern int mlt_producer_detach( mlt_producer self, mlt_filter filter );
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extern mlt_filter mlt_producer_filter( mlt_producer self, int index );
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extern mlt_producer mlt_producer_cut( mlt_producer self, int in, int out );
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extern int mlt_producer_is_cut( mlt_producer self );
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extern int mlt_producer_is_mix( mlt_producer self );
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extern int mlt_producer_is_blank( mlt_producer self );
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extern mlt_producer mlt_producer_cut_parent( mlt_producer self );
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extern int mlt_producer_optimise( mlt_producer self );
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extern void mlt_producer_close( mlt_producer self );
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#endif
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