Lines Matching defs:mat
426 int mat[64] = { 0 };
459 mat[ztab[pos]] = qval *(unsigned)level;
465 mat[0] += 32;
467 idct(&mat[y * size], size);
471 int a = mat[x * size + y];
472 int b = mat[y * size + x];
474 mat[y * size + x] = a;
475 mat[x * size + y] = b;
478 idct(&mat[y * size], size);
480 dst[x] = av_clip_uint8(dst[x] + (mat[y * size + x] >> 6));