+++ /dev/null
-/*
- * filter_deinterlace.c -- deinterlace filter
- * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
- * Author: Charles Yates <charles.yates@pandora.be>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <framework/mlt_filter.h>
-#include "deinterlace.h"
-
-#include <framework/mlt_frame.h>
-
-#include <string.h>
-#include <stdlib.h>
-
-/** Do it :-).
-*/
-
-static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
-{
- int error = 0;
- int deinterlace = mlt_properties_get_int( MLT_FRAME_PROPERTIES( this ), "consumer_deinterlace" );
-
- // Pop the service off the stack
- mlt_filter filter = mlt_frame_pop_service( this );
-
- // Determine if we need a writable version or not
- if ( deinterlace && !writable )
- writable = !mlt_properties_get_int( MLT_FRAME_PROPERTIES( this ), "progressive" );
-
- // Get the input image
- error = mlt_frame_get_image( this, image, format, width, height, writable );
-
- // Check that we want progressive and we aren't already progressive
- if ( deinterlace && *format == mlt_image_yuv422 && *image != NULL && !mlt_properties_get_int( MLT_FRAME_PROPERTIES( this ), "progressive" ) )
- {
- // Determine deinterlace method
- char *method_str = mlt_properties_get( MLT_FILTER_PROPERTIES( filter ), "method" );
- int method = DEINTERLACE_LINEARBLEND;
- char *frame_method_str = mlt_properties_get( MLT_FRAME_PROPERTIES( this ), "deinterlace_method" );
-
- if ( frame_method_str != NULL )
- method_str = frame_method_str;
-
- if ( method_str == NULL )
- method = DEINTERLACE_LINEARBLEND;
- else if ( strcmp( method_str, "bob" ) == 0 )
- method = DEINTERLACE_BOB;
- else if ( strcmp( method_str, "weave" ) == 0 )
- method = DEINTERLACE_BOB;
- else if ( strcmp( method_str, "greedy" ) == 0 )
- method = DEINTERLACE_GREEDY;
- else if ( strcmp( method_str, "onefield" ) == 0 )
- method = DEINTERLACE_ONEFIELD;
-
- // Deinterlace the image
- deinterlace_yuv( *image, image, *width * 2, *height, method );
-
- // Make sure that others know the frame is deinterlaced
- mlt_properties_set_int( MLT_FRAME_PROPERTIES( this ), "progressive", 1 );
- }
-
- return error;
-}
-
-/** Deinterlace filter processing - this should be lazy evaluation here...
-*/
-
-static mlt_frame deinterlace_process( mlt_filter this, mlt_frame frame )
-{
- // Push this on to the service stack
- mlt_frame_push_service( frame, this );
-
- // Push the get_image method on to the stack
- mlt_frame_push_get_image( frame, filter_get_image );
-
- return frame;
-}
-
-/** Constructor for the filter.
-*/
-
-mlt_filter filter_deinterlace_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
-{
- mlt_filter this = mlt_filter_new( );
- if ( this != NULL )
- {
- this->process = deinterlace_process;
- mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "method", arg );
- }
- return this;
-}
-