/* * filter_frei0r.c -- frei0r filter * Copyright (c) 2008 Marco Gittler * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include "frei0r_helper.h" #include static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { mlt_filter filter = mlt_frame_pop_service( this ); int error = mlt_frame_get_image( this, image, format, width, height, 1 ); if ( error == 0 && *image && *format == mlt_image_yuv422 ) { mlt_position in = mlt_filter_get_in( filter ); mlt_position out = mlt_filter_get_out( filter ); mlt_position time = mlt_frame_get_position( this ); double position = ( double )( time - in ) / ( double )( out - in + 1 ); process_frei0r_item( filter_type , position, MLT_FILTER_PROPERTIES ( filter ), this , image, format , width , height , writable ); } return error; } mlt_frame filter_process( mlt_filter this, mlt_frame frame ) { mlt_frame_push_service( frame, this ); mlt_frame_push_get_image( frame, filter_get_image ); return frame; } void filter_close( mlt_filter this ){ destruct( MLT_FILTER_PROPERTIES ( this ) ); }