Function decode_v0_reference 

pub fn decode_v0_reference(
    src: &[u8],
    row_offsets: &[u32],
    width: usize,
    height: usize,
    out: &mut [u16],
) -> Result<()>

Sequential reference implementation of Samsung V0 (see decode_v0); kept as the specification the two-phase decoder is tested against.