if ( mlt_properties_get( producer_props, "y" ) != NULL )
mlt_properties_set_int( properties, "y", mlt_properties_get_int( producer_props, "y" ) );
if ( mlt_properties_get( producer_props, "mix" ) != NULL )
- mlt_properties_set_double( properties, "mix", mlt_properties_get_double( producer_props, "mix" ) );
+ mlt_properties_set_double( properties, "image.mix", mlt_properties_get_double( producer_props, "mix" ) );
// if picture sequence pass the image and alpha data without destructor
mlt_properties_set_data( properties, "image", this->image, 0, NULL, NULL );