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 );