2 * mlt_consumer.h -- abstraction for all consumer services
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.
21 #ifndef _MLT_CONSUMER_H_
22 #define _MLT_CONSUMER_H_
24 #include "mlt_service.h"
27 /** The interface definition for all consumers.
32 // We're implementing service here
33 struct mlt_service_s parent
;
36 int ( *start
)( mlt_consumer
);
37 int ( *stop
)( mlt_consumer
);
38 int ( *is_stopped
)( mlt_consumer
);
39 void ( *close
)( mlt_consumer
);
46 mlt_image_format format
;
48 pthread_t ahead_thread
;
49 pthread_mutex_t mutex
;
53 /** Public final methods
56 extern int mlt_consumer_init( mlt_consumer
this, void *child
);
57 extern mlt_service
mlt_consumer_service( mlt_consumer
this );
58 extern mlt_properties
mlt_consumer_properties( mlt_consumer
this );
59 extern int mlt_consumer_connect( mlt_consumer
this, mlt_service producer
);
60 extern int mlt_consumer_start( mlt_consumer
this );
61 extern mlt_frame
mlt_consumer_get_frame( mlt_consumer
this );
62 extern mlt_frame
mlt_consumer_rt_frame( mlt_consumer
this );
63 extern int mlt_consumer_stop( mlt_consumer
this );
64 extern int mlt_consumer_is_stopped( mlt_consumer
this );
65 extern void mlt_consumer_close( mlt_consumer
);