rav1e::dist::rust

Function get_weighted_sse

Source 
pub fn get_weighted_sse<T: Pixel>(
    src1: &PlaneRegion<'_, T>,
    src2: &PlaneRegion<'_, T>,
    scale: &[u32],
    scale_stride: usize,
    w: usize,
    h: usize,
    _bit_depth: usize,
    _cpu: CpuFeatureLevel,
) -> u64
Expand description

Computes weighted sum of squared error.

Each scale is applied to a 4x4 region in the provided inputs. Each scale value is a fixed point number, currently DistortionScale.

Implementations can require alignment (bw (block width) for [src1] and [src2] and bw/4 for scale).