2 * MltProducer.cpp - MLT Wrapper
3 * Copyright (C) 2004-2005 Charles Yates
4 * Author: Charles Yates <charles.yates@pandora.be>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program 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
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include "MltProducer.h"
22 #include "MltFilter.h"
23 #include "MltProfile.h"
26 Producer::Producer( ) :
32 Producer::Producer( Profile& profile, const char *id, const char *service ) :
36 if ( id != NULL && service != NULL )
37 instance = mlt_factory_producer( profile.get_profile(), id, service );
39 instance = mlt_factory_producer( profile.get_profile(), "fezzik", id != NULL ? id : service );
42 Producer::Producer( Service &producer ) :
46 mlt_service_type type = producer.type( );
47 if ( type == producer_type || type == playlist_type ||
48 type == tractor_type || type == multitrack_type )
50 instance = ( mlt_producer )producer.get_service( );
55 Producer::Producer( mlt_producer producer ) :
62 Producer::Producer( Producer &producer ) :
63 Mlt::Service( producer ),
64 instance( producer.get_producer( ) ),
70 Producer::Producer( Producer *producer ) :
71 instance( producer != NULL ? producer->get_producer( ) : NULL ),
78 Producer::~Producer( )
81 mlt_producer_close( instance );
85 mlt_producer Producer::get_producer( )
90 mlt_producer Producer::get_parent( )
92 return get_producer( ) != NULL && mlt_producer_cut_parent( get_producer( ) ) != NULL ? mlt_producer_cut_parent( get_producer( ) ) : get_producer( );
95 Producer &Producer::parent( )
97 if ( is_cut( ) && parent_ == NULL )
98 parent_ = new Producer( get_parent( ) );
99 return parent_ == NULL ? *this : *parent_;
102 mlt_service Producer::get_service( )
104 return mlt_producer_service( get_producer( ) );
107 int Producer::seek( int position )
109 return mlt_producer_seek( get_producer( ), position );
112 int Producer::position( )
114 return mlt_producer_position( get_producer( ) );
117 int Producer::frame( )
119 return mlt_producer_frame( get_producer( ) );
122 int Producer::set_speed( double speed )
124 return mlt_producer_set_speed( get_producer( ), speed );
127 double Producer::get_speed( )
129 return mlt_producer_get_speed( get_producer( ) );
132 double Producer::get_fps( )
134 return mlt_producer_get_fps( get_producer( ) );
137 int Producer::set_in_and_out( int in, int out )
139 return mlt_producer_set_in_and_out( get_producer( ), in, out );
142 int Producer::get_in( )
144 return mlt_producer_get_in( get_producer( ) );
147 int Producer::get_out( )
149 return mlt_producer_get_out( get_producer( ) );
152 int Producer::get_length( )
154 return mlt_producer_get_length( get_producer( ) );
157 int Producer::get_playtime( )
159 return mlt_producer_get_playtime( get_producer( ) );
162 Producer *Producer::cut( int in, int out )
164 mlt_producer producer = mlt_producer_cut( get_producer( ), in, out );
165 Producer *result = new Producer( producer );
166 mlt_producer_close( producer );
170 bool Producer::is_cut( )
172 return mlt_producer_is_cut( get_producer( ) ) != 0;
175 bool Producer::is_blank( )
177 return mlt_producer_is_blank( get_producer( ) ) != 0;
180 bool Producer::same_clip( Producer &that )
182 return mlt_producer_cut_parent( get_producer( ) ) == mlt_producer_cut_parent( that.get_producer( ) );
185 bool Producer::runs_into( Producer &that )
187 return same_clip( that ) && get_out( ) == ( that.get_in( ) - 1 );
190 void Producer::optimise( )
192 mlt_producer_optimise( get_producer( ) );