[ CCode ( cname = "GST_VIDEO_RESAMPLER_OPT_SHARPNESS" ) ]
public const string RESAMPLER_OPT_SHARPNESS
G_TYPE_DOUBLE, specifies sharpness of the filter for GST_VIDEO_RESAMPLER_METHOD_LANCZOS.
values are clamped between 0.5 and 1.5. 1.0 is the default.