optimise deinterlace path

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@188 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/src/modules/core/filter_deinterlace.c b/src/modules/core/filter_deinterlace.c
index 95cb25f..3a83842 100644 (file)
--- a/src/modules/core/filter_deinterlace.c
+++ b/src/modules/core/filter_deinterlace.c
@@ -75,22 +75,26 @@ static void deinterlace_yuv( uint8_t *pdst, uint8_t *psrc, int width, int height
 
 static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
 {
-       // Get the input image
-       int error = mlt_frame_get_image( this, image, format, width, height, 1 );
-
-       // Only continue if we have no error and the right colour space
-       if ( error == 0 && *format == mlt_image_yuv422 )
+       int error = 0;
+       
+       // Check that we want progressive and we aren't already progressive
+       if ( *format == mlt_image_yuv422 &&
+                !mlt_properties_get_int( mlt_frame_properties( this ), "progressive" ) &&
+                mlt_properties_get_int( mlt_frame_properties( this ), "consumer_deinterlace" ) )
+       {
+               // Get the input image
+               error = mlt_frame_get_image( this, image, format, width, height, 1 );
+               
+               // Deinterlace the image
+               deinterlace_yuv( *image, *image, *width * 2, *height );
+               
+               // Make sure that others know the frame is deinterlaced
+               mlt_properties_set_int( mlt_frame_properties( this ), "progressive", 1 );
+       }
+       else
        {
-               // Check that we want progressive and we aren't already progressive
-               if ( !mlt_properties_get_int( mlt_frame_properties( this ), "progressive" ) &&
-                        mlt_properties_get_int( mlt_frame_properties( this ), "consumer_deinterlace" ) )
-               {
-                       // Deinterlace the image
-                       deinterlace_yuv( *image, *image, *width * 2, *height );
-
-                       // Make sure that others know the frame is deinterlaced
-                       mlt_properties_set_int( mlt_frame_properties( this ), "progressive", 1 );
-               }
+               // Get the input image
+               error = mlt_frame_get_image( this, image, format, width, height, writable );
        }
 
        return error;