[ CCode ( cname = "GST_VIDEO_RESAMPLER_OPT_SHARPEN" ) ]
public const string RESAMPLER_OPT_SHARPEN
G_TYPE_DOUBLE, specifies sharpening of the filter for GST_VIDEO_RESAMPLER_METHOD_LANCZOS.
values are clamped between 0.0 and 1.0. 0.0 is the default.