realtime scheduling updates; suppress libdv errors; add frame property deinterlace_me...

[melted] / src / modules / core / filter_rescale.c

diff --git a/src/modules/core/filter_rescale.c b/src/modules/core/filter_rescale.c
index 164d9cd..0305db4 100644 (file)
--- a/src/modules/core/filter_rescale.c
+++ b/src/modules/core/filter_rescale.c
@@ -110,9 +110,10 @@ static int filter_scale( mlt_frame this, uint8_t **image, mlt_image_format iform
 
 static void scale_alpha( mlt_frame this, int iwidth, int iheight, int owidth, int oheight )
 {
-       uint8_t *input = mlt_frame_get_alpha_mask( this );
+       int size = 0;
+       uint8_t *input = mlt_properties_get_data( MLT_FRAME_PROPERTIES( this ), "alpha", &size );
        
-       if ( input != NULL )
+       if ( input != NULL && ( ( size == iwidth * iheight ) || size == ( iwidth * ( iheight + 1 ) ) ) )
        {
                uint8_t *output = mlt_pool_alloc( owidth * oheight );