43bbceda4462bda05721b7b0751b967a97ba8a5f
2 * MltTractor.cpp - Tractor 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 "MltTractor.h"
22 #include "MltMultitrack.h"
24 #include "MltTransition.h"
25 #include "MltFilter.h"
26 #include "MltPlaylist.h"
30 instance( mlt_tractor_new( ) )
34 Tractor
::Tractor( Service
&tractor
) :
37 if ( tractor
.type( ) == tractor_type
)
39 instance
= ( mlt_tractor
)tractor
.get_service( );
44 Tractor
::Tractor( mlt_tractor tractor
) :
50 Tractor
::Tractor( Tractor
&tractor
) :
51 Mlt
::Producer( tractor
),
52 instance( tractor
.get_tractor( ) )
57 Tractor
::Tractor( Profile
& profile
, char *id
, char *resource
) :
60 Producer
producer( profile
, id
, resource
);
61 if ( producer
.is_valid( ) && producer
.type( ) == tractor_type
)
63 instance
= ( mlt_tractor
)producer
.get_producer( );
66 else if ( producer
.is_valid( ) )
68 instance
= mlt_tractor_new( );
69 set_track( producer
, 0 );
75 mlt_tractor_close( instance
);
78 mlt_tractor Tractor
::get_tractor( )
83 mlt_producer Tractor
::get_producer( )
85 return mlt_tractor_producer( get_tractor( ) );
88 Multitrack
*Tractor
::multitrack( )
90 return new Multitrack( mlt_tractor_multitrack( get_tractor( ) ) );
93 Field
*Tractor
::field( )
95 return new Field( mlt_tractor_field( get_tractor( ) ) );
98 void Tractor
::refresh( )
100 return mlt_tractor_refresh( get_tractor( ) );
103 int Tractor
::set_track( Producer
&producer
, int index
)
105 return mlt_tractor_set_track( get_tractor( ), producer
.get_producer( ), index
);
108 Producer
*Tractor
::track( int index
)
110 mlt_producer producer
= mlt_tractor_get_track( get_tractor( ), index
);
111 return producer
!= NULL ?
new Producer( producer
) : NULL
;
114 int Tractor
::count( )
116 return mlt_multitrack_count( mlt_tractor_multitrack( get_tractor( ) ) );
119 void Tractor
::plant_transition( Transition
&transition
, int a_track
, int b_track
)
121 mlt_field_plant_transition( mlt_tractor_field( get_tractor( ) ), transition
.get_transition( ), a_track
, b_track
);
124 void Tractor
::plant_transition( Transition
*transition
, int a_track
, int b_track
)
126 if ( transition
!= NULL
)
127 mlt_field_plant_transition( mlt_tractor_field( get_tractor( ) ), transition
->get_transition( ), a_track
, b_track
);
130 void Tractor
::plant_filter( Filter
&filter
, int track
)
132 mlt_field_plant_filter( mlt_tractor_field( get_tractor( ) ), filter
.get_filter( ), track
);
135 void Tractor
::plant_filter( Filter
*filter
, int track
)
137 mlt_field_plant_filter( mlt_tractor_field( get_tractor( ) ), filter
->get_filter( ), track
);
140 bool Tractor
::locate_cut( Producer
*producer
, int &track
, int &cut
)
144 for ( track
= 0; producer
!= NULL
&& !found
&& track
< count( ); track
++ )
146 Playlist
playlist( ( mlt_playlist
)mlt_tractor_get_track( get_tractor( ), track
) );
147 for ( cut
= 0; !found
&& cut
< playlist
.count( ); cut
++ )
149 Producer
*clip
= playlist
.get_clip( cut
);
150 found
= producer
->get_producer( ) == clip
->get_producer( );