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"
25 Producer
::Producer( ) :
31 Producer
::Producer( char *id
, char *service
) :
35 if ( id
!= NULL
&& service
!= NULL
)
36 instance
= mlt_factory_producer( id
, service
);
38 instance
= mlt_factory_producer( "fezzik", id
!= NULL ? id
: service
);
41 Producer
::Producer( Service
&producer
) :
45 mlt_service_type type
= producer
.type( );
46 if ( type
== producer_type
|| type
== playlist_type
||
47 type
== tractor_type
|| type
== multitrack_type
)
49 instance
= ( mlt_producer
)producer
.get_service( );
54 Producer
::Producer( mlt_producer producer
) :
61 Producer
::Producer( Producer
&producer
) :
62 instance( producer
.get_producer( ) ),
68 Producer
::Producer( Producer
*producer
) :
69 instance( producer
!= NULL ? producer
->get_producer( ) : NULL
),
76 Producer
::~Producer( )
79 mlt_producer_close( instance
);
83 mlt_producer Producer
::get_producer( )
88 mlt_producer Producer
::get_parent( )
90 return get_producer( ) != NULL
&& mlt_producer_cut_parent( get_producer( ) ) != NULL ?
mlt_producer_cut_parent( get_producer( ) ) : get_producer( );
93 Producer
&Producer
::parent( )
95 if ( is_cut( ) && parent_
== NULL
)
96 parent_
= new Producer( get_parent( ) );
97 return parent_
== NULL ?
*this : *parent_
;
100 mlt_service Producer
::get_service( )
102 return mlt_producer_service( get_producer( ) );
105 int Producer
::seek( int position
)
107 return mlt_producer_seek( get_producer( ), position
);
110 int Producer
::position( )
112 return mlt_producer_position( get_producer( ) );
115 int Producer
::frame( )
117 return mlt_producer_frame( get_producer( ) );
120 int Producer
::set_speed( double speed
)
122 return mlt_producer_set_speed( get_producer( ), speed
);
125 double Producer
::get_speed( )
127 return mlt_producer_get_speed( get_producer( ) );
130 double Producer
::get_fps( )
132 return mlt_producer_get_fps( get_producer( ) );
135 int Producer
::set_in_and_out( int in
, int out
)
137 return mlt_producer_set_in_and_out( get_producer( ), in
, out
);
140 int Producer
::get_in( )
142 return mlt_producer_get_in( get_producer( ) );
145 int Producer
::get_out( )
147 return mlt_producer_get_out( get_producer( ) );
150 int Producer
::get_length( )
152 return mlt_producer_get_length( get_producer( ) );
155 int Producer
::get_playtime( )
157 return mlt_producer_get_playtime( get_producer( ) );
160 Producer
*Producer
::cut( int in
, int out
)
162 mlt_producer producer
= mlt_producer_cut( get_producer( ), in
, out
);
163 Producer
*result
= new Producer( producer
);
164 mlt_producer_close( producer
);
168 bool Producer
::is_cut( )
170 return mlt_producer_is_cut( get_producer( ) ) != 0;
173 bool Producer
::is_blank( )
175 return mlt_producer_is_blank( get_producer( ) ) != 0;
178 bool Producer
::same_clip( Producer
&that
)
180 return mlt_producer_cut_parent( get_producer( ) ) == mlt_producer_cut_parent( that
.get_producer( ) );
183 bool Producer
::runs_into( Producer
&that
)
185 return same_clip( that
) && get_out( ) == ( that
.get_in( ) - 1 );
188 void Producer
::optimise( )
190 mlt_producer_optimise( get_producer( ) );