2 * mlt_producer.h -- abstraction for all producer 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_PRODUCER_H_
22 #define _MLT_PRODUCER_H_
24 #include "mlt_service.h"
25 #include "mlt_filter.h"
27 /** The interface definition for all producers.
32 // We're implementing service here
33 struct mlt_service_s parent
;
35 // Public virtual methods
36 int ( *get_frame
)( mlt_producer
, mlt_frame_ptr
, int );
45 /** Public final methods
48 extern int mlt_producer_init( mlt_producer self
, void *child
);
49 extern mlt_producer
mlt_producer_new( );
50 extern mlt_service
mlt_producer_service( mlt_producer self
);
51 extern mlt_properties
mlt_producer_properties( mlt_producer self
);
52 extern int mlt_producer_seek( mlt_producer self
, mlt_position position
);
53 extern mlt_position
mlt_producer_position( mlt_producer self
);
54 extern mlt_position
mlt_producer_frame( mlt_producer self
);
55 extern int mlt_producer_set_speed( mlt_producer self
, double speed
);
56 extern double mlt_producer_get_speed( mlt_producer self
);
57 extern double mlt_producer_get_fps( mlt_producer self
);
58 extern int mlt_producer_set_in_and_out( mlt_producer self
, mlt_position in
, mlt_position out
);
59 extern int mlt_producer_clear( mlt_producer self
);
60 extern mlt_position
mlt_producer_get_in( mlt_producer self
);
61 extern mlt_position
mlt_producer_get_out( mlt_producer self
);
62 extern mlt_position
mlt_producer_get_playtime( mlt_producer self
);
63 extern mlt_position
mlt_producer_get_length( mlt_producer self
);
64 extern void mlt_producer_prepare_next( mlt_producer self
);
65 extern int mlt_producer_attach( mlt_producer self
, mlt_filter filter
);
66 extern int mlt_producer_detach( mlt_producer self
, mlt_filter filter
);
67 extern mlt_filter
mlt_producer_filter( mlt_producer self
, int index
);
68 extern mlt_producer
mlt_producer_cut( mlt_producer self
, int in
, int out
);
69 extern int mlt_producer_is_cut( mlt_producer self
);
70 extern mlt_producer
mlt_producer_cut_parent( mlt_producer self
);
71 extern void mlt_producer_close( mlt_producer self
);