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 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_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 #define MLT_PRODUCER_SERVICE( producer ) ( &( producer )->parent )
49 #define MLT_PRODUCER_PROPERTIES( producer ) MLT_SERVICE_PROPERTIES( MLT_PRODUCER_SERVICE( producer ) )
51 extern int mlt_producer_init( mlt_producer self
, void *child
);
52 extern mlt_producer
mlt_producer_new( );
53 extern mlt_service
mlt_producer_service( mlt_producer self
);
54 extern mlt_properties
mlt_producer_properties( mlt_producer self
);
55 extern int mlt_producer_seek( mlt_producer self
, mlt_position position
);
56 extern mlt_position
mlt_producer_position( mlt_producer self
);
57 extern mlt_position
mlt_producer_frame( mlt_producer self
);
58 extern int mlt_producer_set_speed( mlt_producer self
, double speed
);
59 extern double mlt_producer_get_speed( mlt_producer self
);
60 extern double mlt_producer_get_fps( mlt_producer self
);
61 extern int mlt_producer_set_in_and_out( mlt_producer self
, mlt_position in
, mlt_position out
);
62 extern int mlt_producer_clear( mlt_producer self
);
63 extern mlt_position
mlt_producer_get_in( mlt_producer self
);
64 extern mlt_position
mlt_producer_get_out( mlt_producer self
);
65 extern mlt_position
mlt_producer_get_playtime( mlt_producer self
);
66 extern mlt_position
mlt_producer_get_length( mlt_producer self
);
67 extern void mlt_producer_prepare_next( mlt_producer self
);
68 extern int mlt_producer_attach( mlt_producer self
, mlt_filter filter
);
69 extern int mlt_producer_detach( mlt_producer self
, mlt_filter filter
);
70 extern mlt_filter
mlt_producer_filter( mlt_producer self
, int index
);
71 extern mlt_producer
mlt_producer_cut( mlt_producer self
, int in
, int out
);
72 extern int mlt_producer_is_cut( mlt_producer self
);
73 extern int mlt_producer_is_mix( mlt_producer self
);
74 extern int mlt_producer_is_blank( mlt_producer self
);
75 extern mlt_producer
mlt_producer_cut_parent( mlt_producer self
);
76 extern int mlt_producer_optimise( mlt_producer self
);
77 extern void mlt_producer_close( mlt_producer self
);