2 * mlt_factory.c -- the factory method interfaces
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
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 General Public License as published by
8 * 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.
22 #include "mlt_factory.h"
23 #include "mlt_repository.h"
27 /** Singleton repositories
30 static mlt_repository producers
= NULL
;
31 static mlt_repository filters
= NULL
;
32 static mlt_repository transitions
= NULL
;
33 static mlt_repository consumers
= NULL
;
35 /** Construct the factories.
38 int mlt_factory_init( )
40 producers
= mlt_repository_init( PREFIX_DATA
"/producers.dat", "mlt_create_producer" );
41 filters
= mlt_repository_init( PREFIX_DATA
"/filters.dat", "mlt_create_filter" );
42 transitions
= mlt_repository_init( PREFIX_DATA
"/transitions.dat", "mlt_create_transition" );
43 consumers
= mlt_repository_init( PREFIX_DATA
"/consumers.dat", "mlt_create_consumer" );
47 /** Fetch a producer from the repository.
50 mlt_producer
mlt_factory_producer( char *service
, void *input
)
52 return ( mlt_producer
)mlt_repository_fetch( producers
, service
, input
);
55 /** Fetch a filter from the repository.
58 mlt_filter
mlt_factory_filter( char *service
, void *input
)
60 return ( mlt_filter
)mlt_repository_fetch( filters
, service
, input
);
63 /** Fetch a transition from the repository.
66 mlt_transition
mlt_transition_filter( char *service
, void *input
)
68 return ( mlt_transition
)mlt_repository_fetch( transitions
, service
, input
);
71 /** Fetch a consumer from the repository
74 mlt_consumer
mlt_factory_consumer( char *service
, void *input
)
76 return ( mlt_consumer
)mlt_repository_fetch( consumers
, service
, input
);
79 /** Close the factory.
82 void mlt_factory_close( )
84 mlt_repository_close( producers
);
85 mlt_repository_close( filters
);
86 mlt_repository_close( transitions
);
87 mlt_repository_close( consumers
);