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 library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, 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"
25 #include "mlt_events.h"
28 /** The interface definition for all consumers.
33 /* We're implementing service here */
34 struct mlt_service_s parent
;
37 int ( *start
)( mlt_consumer
);
38 int ( *stop
)( mlt_consumer
);
39 int ( *is_stopped
)( mlt_consumer
);
40 void ( *close
)( mlt_consumer
);
48 mlt_image_format format
;
50 pthread_t ahead_thread
;
51 pthread_mutex_t mutex
;
53 pthread_mutex_t put_mutex
;
54 pthread_cond_t put_cond
;
57 mlt_event event_listener
;
60 /** Public final methods
63 #define MLT_CONSUMER_SERVICE( consumer ) ( &( consumer )->parent )
64 #define MLT_CONSUMER_PROPERTIES( consumer ) MLT_SERVICE_PROPERTIES( MLT_CONSUMER_SERVICE( consumer ) )
66 extern int mlt_consumer_init( mlt_consumer self
, void *child
, mlt_profile profile
);
67 extern mlt_consumer
mlt_consumer_new( mlt_profile profile
);
68 extern mlt_service
mlt_consumer_service( mlt_consumer self
);
69 extern mlt_properties
mlt_consumer_properties( mlt_consumer self
);
70 extern int mlt_consumer_connect( mlt_consumer self
, mlt_service producer
);
71 extern int mlt_consumer_start( mlt_consumer self
);
72 extern void mlt_consumer_purge( mlt_consumer self
);
73 extern int mlt_consumer_put_frame( mlt_consumer self
, mlt_frame frame
);
74 extern mlt_frame
mlt_consumer_get_frame( mlt_consumer self
);
75 extern mlt_frame
mlt_consumer_rt_frame( mlt_consumer self
);
76 extern int mlt_consumer_stop( mlt_consumer self
);
77 extern int mlt_consumer_is_stopped( mlt_consumer self
);
78 extern void mlt_consumer_stopped( mlt_consumer self
);
79 extern void mlt_consumer_close( mlt_consumer
);