Lines Matching defs:blk
913 static void idct_1d(float *blk, int step)
925 alpha[0] = c * blk[2 * step];
926 alpha[1] = f * blk[2 * step];
927 alpha[2] = c * blk[6 * step];
928 alpha[3] = f * blk[6 * step];
930 beta[0] = b * blk[1 * step] + d * blk[3 * step] + e * blk[5 * step] + g * blk[7 * step];
931 beta[1] = d * blk[1 * step] - g * blk[3 * step] - b * blk[5 * step] - e * blk[7 * step];
932 beta[2] = e * blk[1 * step] - b * blk[3 * step] + g * blk[5 * step] + d * blk[7 * step];
933 beta[3] = g * blk[1 * step] - e * blk[3 * step] + d * blk[5 * step] - b * blk[7 * step];
935 theta[0] = a * (blk[0 * step] + blk[4 * step]);
936 theta[3] = a * (blk[0 * step] - blk[4 * step]);
946 blk[0 * step] = gamma[0] + beta[0];
947 blk[1 * step] = gamma[1] + beta[1];
948 blk[2 * step] = gamma[2] + beta[2];
949 blk[3 * step] = gamma[3] + beta[3];
951 blk[4 * step] = gamma[3] - beta[3];
952 blk[5 * step] = gamma[2] - beta[2];
953 blk[6 * step] = gamma[1] - beta[1];
954 blk[7 * step] = gamma[0] - beta[0];