src/main/java/org/jcodec/common/dct/SparseIDCT.java
public static final void finish(int block[]) {
        for (int i = 0; i < 64; i += 4) {
            block[i] = div(block[i]);
            block[i + 1] = div(block[i + 1]);
            block[i + 2] = div(block[i + 2]);
            block[i + 3] = div(block[i + 3]);
        }
    }
public static final void finish(int block[]) {
        for (int i = 0; i < 64; i += 4) {
            block[i] = div(block[i]);
            block[i + 1] = div(block[i + 1]);
            block[i + 2] = div(block[i + 2]);
            block[i + 3] = div(block[i + 3]);
        }
    }
Finalizes DCT calculation

@param block