jpeg_decoder::idct

Function dequantize_and_idct_block

Source 
pub(crate) fn dequantize_and_idct_block(
    scale: usize,
    coefficients: &[i16; 64],
    quantization_table: &[u16; 64],
    output_linestride: usize,
    output: &mut [u8],
)