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192 lines
4.1 KiB
192 lines
4.1 KiB
/**
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* MltProducer.cpp - MLT Wrapper
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* Copyright (C) 2004-2005 Charles Yates
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* Author: Charles Yates <charles.yates@pandora.be>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "MltProducer.h"
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#include "MltFilter.h"
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using namespace Mlt;
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Producer::Producer( ) :
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instance( NULL ),
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parent_( NULL )
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{
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}
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Producer::Producer( char *id, char *service ) :
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instance( NULL ),
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parent_( NULL )
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{
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if ( id != NULL && service != NULL )
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instance = mlt_factory_producer( id, service );
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else
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instance = mlt_factory_producer( "fezzik", id != NULL ? id : service );
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}
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Producer::Producer( Service &producer ) :
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instance( NULL ),
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parent_( NULL )
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{
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mlt_service_type type = producer.type( );
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if ( type == producer_type || type == playlist_type ||
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type == tractor_type || type == multitrack_type )
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{
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instance = ( mlt_producer )producer.get_service( );
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inc_ref( );
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}
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}
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Producer::Producer( mlt_producer producer ) :
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instance( producer ),
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parent_( NULL )
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{
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inc_ref( );
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}
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Producer::Producer( Producer &producer ) :
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instance( producer.get_producer( ) ),
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parent_( NULL )
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{
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inc_ref( );
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}
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Producer::Producer( Producer *producer ) :
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instance( producer != NULL ? producer->get_producer( ) : NULL ),
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parent_( NULL )
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{
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if ( is_valid( ) )
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inc_ref( );
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}
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Producer::~Producer( )
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{
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delete parent_;
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mlt_producer_close( instance );
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instance = NULL;
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}
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mlt_producer Producer::get_producer( )
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{
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return instance;
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}
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mlt_producer Producer::get_parent( )
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{
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return get_producer( ) != NULL && mlt_producer_cut_parent( get_producer( ) ) != NULL ? mlt_producer_cut_parent( get_producer( ) ) : get_producer( );
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}
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Producer &Producer::parent( )
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{
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if ( is_cut( ) && parent_ == NULL )
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parent_ = new Producer( get_parent( ) );
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return parent_ == NULL ? *this : *parent_;
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}
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mlt_service Producer::get_service( )
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{
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return mlt_producer_service( get_producer( ) );
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}
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int Producer::seek( int position )
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{
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return mlt_producer_seek( get_producer( ), position );
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}
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int Producer::position( )
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{
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return mlt_producer_position( get_producer( ) );
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}
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int Producer::frame( )
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{
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return mlt_producer_frame( get_producer( ) );
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}
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int Producer::set_speed( double speed )
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{
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return mlt_producer_set_speed( get_producer( ), speed );
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}
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double Producer::get_speed( )
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{
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return mlt_producer_get_speed( get_producer( ) );
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}
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double Producer::get_fps( )
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{
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return mlt_producer_get_fps( get_producer( ) );
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}
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int Producer::set_in_and_out( int in, int out )
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{
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return mlt_producer_set_in_and_out( get_producer( ), in, out );
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}
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int Producer::get_in( )
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{
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return mlt_producer_get_in( get_producer( ) );
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}
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int Producer::get_out( )
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{
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return mlt_producer_get_out( get_producer( ) );
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}
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int Producer::get_length( )
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{
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return mlt_producer_get_length( get_producer( ) );
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}
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int Producer::get_playtime( )
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{
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return mlt_producer_get_playtime( get_producer( ) );
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}
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Producer *Producer::cut( int in, int out )
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{
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mlt_producer producer = mlt_producer_cut( get_producer( ), in, out );
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Producer *result = new Producer( producer );
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mlt_producer_close( producer );
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return result;
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}
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bool Producer::is_cut( )
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{
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return mlt_producer_is_cut( get_producer( ) ) != 0;
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}
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bool Producer::is_blank( )
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{
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return mlt_producer_is_blank( get_producer( ) ) != 0;
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}
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bool Producer::same_clip( Producer &that )
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{
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return mlt_producer_cut_parent( get_producer( ) ) == mlt_producer_cut_parent( that.get_producer( ) );
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}
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bool Producer::runs_into( Producer &that )
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{
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return same_clip( that ) && get_out( ) == ( that.get_in( ) - 1 );
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}
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void Producer::optimise( )
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{
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mlt_producer_optimise( get_producer( ) );
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}
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