2 * filter_frei0r.c -- frei0r filter
3 * Copyright (c) 2008 Marco Gittler <g.marco@freenet.de>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <framework/mlt.h>
22 #include "frei0r_helper.h"
24 static int filter_get_image( mlt_frame
this, uint8_t **image
, mlt_image_format
*format
, int *width
, int *height
, int writable
)
27 mlt_filter filter
= mlt_frame_pop_service( this );
28 int error
= mlt_frame_get_image( this, image
, format
, width
, height
, 1 );
30 if ( error
== 0 && *image
&& *format
== mlt_image_yuv422
)
32 mlt_position in
= mlt_filter_get_in( filter
);
33 mlt_position out
= mlt_filter_get_out( filter
);
34 mlt_position time
= mlt_frame_get_position( this );
35 double position
= ( double )( time
- in
) / ( double )( out
- in
+ 1 );
37 process_frei0r_item( filter_type
, position
, MLT_FILTER_PROPERTIES ( filter
), this , image
, format
, width
, height
, writable
);
45 mlt_frame
filter_process( mlt_filter
this, mlt_frame frame
)
47 mlt_frame_push_service( frame
, this );
48 mlt_frame_push_get_image( frame
, filter_get_image
);
52 void filter_close( mlt_filter
this ){
54 destruct( MLT_FILTER_PROPERTIES ( this ) );