static void randomize_loopfilter_buffers(int bidx, int lineoff, int str, int bit_depth, int dir, int* E, int* F, int* H, int* I, uint8_t *buf0, uint8_t *buf1) { uint32_t mask = (1 << bit_depth) - 1; int off = dir ? lineoff : lineoff * 16; int istride = dir ? 1 : 16; int jstride = dir ? str : 1; int i, j; for (i = 0; i < 2; i++) /* flat16 */ { int idx = off + i * istride, p0, q0; setpx(idx, 0, q0 = rnd() & mask); setsx(idx, -1, p0 = q0, E[bidx] >> 2); for (j = 1; j < 8; j++) { setsx(idx, -1 - j, p0, F[bidx]); setsx(idx, j, q0, F[bidx]); } } for (i = 2; i < 4; i++) /* flat8 */ { int idx = off + i * istride, p0, q0; setpx(idx, 0, q0 = rnd() & mask); setsx(idx, -1, p0 = q0, E[bidx] >> 2); for (j = 1; j < 4; j++) { setsx(idx, -1 - j, p0, F[bidx]); setsx(idx, j, q0, F[bidx]); } for (j = 4; j < 8; j++) { setpx(idx, -1 - j, rnd() & mask); setpx(idx, j, rnd() & mask); } } for (i = 4; i < 6; i++) /* regular */ { int idx = off + i * istride, p2, p1, p0, q0, q1, q2; setpx(idx, 0, q0 = rnd() & mask); setsx(idx, 1, q1 = q0, I[bidx]); setsx(idx, 2, q2 = q1, I[bidx]); setsx(idx, 3, q2, I[bidx]); setsx(idx, -1, p0 = q0, E[bidx] >> 2); setsx(idx, -2, p1 = p0, I[bidx]); setsx(idx, -3, p2 = p1, I[bidx]); setsx(idx, -4, p2, I[bidx]); for (j = 4; j < 8; j++) { setpx(idx, -1 - j, rnd() & mask); setpx(idx, j, rnd() & mask); } } for (i = 6; i < 8; i++) /* off */ { int idx = off + i * istride; for (j = 0; j < 8; j++) { setpx(idx, -1 - j, rnd() & mask); setpx(idx, j, rnd() & mask); } } }
static void randomize_loopfilter_buffers(int bidx, int lineoff, int str, int bit_depth, int dir, int* E, int* F, int* H, int* I, uint8_t *buf0, uint8_t *buf1) { uint32_t mask = (1 << bit_depth) - 1; int off = dir ? lineoff : lineoff * 16; int istride = dir ? 1 : 16; int jstride = dir ? str : 1; int i, j; for (i = 0; i < 2; i++)   { int idx = off + i * istride, p0, q0; setpx(idx, 0, q0 = rnd() & mask); setsx(idx, -1, p0 = q0, E[bidx] >> 2); for (j = 1; j < 8; j++) { setsx(idx, -1 - j, p0, F[bidx]); setsx(idx, j, q0, F[bidx]); } } for (i = 2; i < 4; i++)   { int idx = off + i * istride, p0, q0; setpx(idx, 0, q0 = rnd() & mask); setsx(idx, -1, p0 = q0, E[bidx] >> 2); for (j = 1; j < 4; j++) { setsx(idx, -1 - j, p0, F[bidx]); setsx(idx, j, q0, F[bidx]); } for (j = 4; j < 8; j++) { setpx(idx, -1 - j, rnd() & mask); setpx(idx, j, rnd() & mask); } } for (i = 4; i < 6; i++)   { int idx = off + i * istride, p2, p1, p0, q0, q1, q2; setpx(idx, 0, q0 = rnd() & mask); setsx(idx, 1, q1 = q0, I[bidx]); setsx(idx, 2, q2 = q1, I[bidx]); setsx(idx, 3, q2, I[bidx]); setsx(idx, -1, p0 = q0, E[bidx] >> 2); setsx(idx, -2, p1 = p0, I[bidx]); setsx(idx, -3, p2 = p1, I[bidx]); setsx(idx, -4, p2, I[bidx]); for (j = 4; j < 8; j++) { setpx(idx, -1 - j, rnd() & mask); setpx(idx, j, rnd() & mask); } } for (i = 6; i < 8; i++)   { int idx = off + i * istride; for (j = 0; j < 8; j++) { setpx(idx, -1 - j, rnd() & mask); setpx(idx, j, rnd() & mask); } } }