ref: bef4e474e75c5e0cf0e847133a51149b211ae7cb
dir: /vp9/common/vp9_loopfilter_filters.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdlib.h>
#include "vpx_config.h"
#include "vp9/common/vp9_loopfilter.h"
#include "vp9/common/vp9_onyxc_int.h"
static INLINE int8_t signed_char_clamp(int t) {
t = (t < -128 ? -128 : t);
t = (t > 127 ? 127 : t);
return (int8_t) t;
}
// should we apply any filter at all: 11111111 yes, 00000000 no
static INLINE int8_t filter_mask(uint8_t limit, uint8_t blimit,
uint8_t p3, uint8_t p2,
uint8_t p1, uint8_t p0,
uint8_t q0, uint8_t q1,
uint8_t q2, uint8_t q3) {
int8_t mask = 0;
mask |= (abs(p3 - p2) > limit) * -1;
mask |= (abs(p2 - p1) > limit) * -1;
mask |= (abs(p1 - p0) > limit) * -1;
mask |= (abs(q1 - q0) > limit) * -1;
mask |= (abs(q2 - q1) > limit) * -1;
mask |= (abs(q3 - q2) > limit) * -1;
mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
return ~mask;
}
// is there high variance internal edge: 11111111 yes, 00000000 no
static INLINE int8_t hevmask(uint8_t thresh, uint8_t p1, uint8_t p0,
uint8_t q0, uint8_t q1) {
int8_t hev = 0;
hev |= (abs(p1 - p0) > thresh) * -1;
hev |= (abs(q1 - q0) > thresh) * -1;
return hev;
}
static INLINE void filter(int8_t mask, uint8_t hev, uint8_t *op1,
uint8_t *op0, uint8_t *oq0, uint8_t *oq1) {
int8_t filter1, filter2;
const int8_t ps1 = (int8_t) *op1 ^ 0x80;
const int8_t ps0 = (int8_t) *op0 ^ 0x80;
const int8_t qs0 = (int8_t) *oq0 ^ 0x80;
const int8_t qs1 = (int8_t) *oq1 ^ 0x80;
// add outer taps if we have high edge variance
int8_t filter = signed_char_clamp(ps1 - qs1) & hev;
// inner taps
filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask;
// save bottom 3 bits so that we round one side +4 and the other +3
// if it equals 4 we'll set to adjust by -1 to account for the fact
// we'd round 3 the other way
filter1 = signed_char_clamp(filter + 4) >> 3;
filter2 = signed_char_clamp(filter + 3) >> 3;
*oq0 = signed_char_clamp(qs0 - filter1) ^ 0x80;
*op0 = signed_char_clamp(ps0 + filter2) ^ 0x80;
filter = filter1;
// outer tap adjustments
filter += 1;
filter >>= 1;
filter &= ~hev;
*oq1 = signed_char_clamp(qs1 - filter) ^ 0x80;
*op1 = signed_char_clamp(ps1 + filter) ^ 0x80;
}
void vp9_loop_filter_horizontal_edge_c(uint8_t *s, int p /* pitch */,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh,
int count) {
int i = 0;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
do {
const int8_t mask = filter_mask(limit[0], blimit[0],
s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p],
s[0 * p], s[1 * p], s[2 * p], s[3 * p]);
// high edge variance
const int8_t hev = hevmask(thresh[0],
s[-2 * p], s[-1 * p], s[0 * p], s[1 * p]);
filter(mask, hev, s - 2 * p, s - 1 * p, s, s + 1 * p);
++s;
} while (++i < count * 8);
}
void vp9_loop_filter_vertical_edge_c(uint8_t *s, int pitch,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh,
int count) {
int i = 0;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
do {
const int8_t mask = filter_mask(limit[0], blimit[0],
s[-4], s[-3], s[-2], s[-1],
s[0], s[1], s[2], s[3]);
// high edge variance
const int8_t hev = hevmask(thresh[0], s[-2], s[-1], s[0], s[1]);
filter(mask, hev, s - 2, s - 1, s, s + 1);
s += pitch;
} while (++i < count * 8);
}
static INLINE int8_t flatmask4(uint8_t thresh,
uint8_t p3, uint8_t p2,
uint8_t p1, uint8_t p0,
uint8_t q0, uint8_t q1,
uint8_t q2, uint8_t q3) {
int8_t flat = 0;
flat |= (abs(p1 - p0) > thresh) * -1;
flat |= (abs(q1 - q0) > thresh) * -1;
flat |= (abs(p0 - p2) > thresh) * -1;
flat |= (abs(q0 - q2) > thresh) * -1;
flat |= (abs(p3 - p0) > thresh) * -1;
flat |= (abs(q3 - q0) > thresh) * -1;
return ~flat;
}
static INLINE signed char flatmask5(uint8_t thresh,
uint8_t p4, uint8_t p3, uint8_t p2,
uint8_t p1, uint8_t p0,
uint8_t q0, uint8_t q1, uint8_t q2,
uint8_t q3, uint8_t q4) {
int8_t flat = 0;
flat |= (abs(p4 - p0) > thresh) * -1;
flat |= (abs(q4 - q0) > thresh) * -1;
flat = ~flat;
return flat & flatmask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3);
}
static INLINE void mbfilter(int8_t mask, uint8_t hev, uint8_t flat,
uint8_t *op3, uint8_t *op2,
uint8_t *op1, uint8_t *op0,
uint8_t *oq0, uint8_t *oq1,
uint8_t *oq2, uint8_t *oq3) {
// use a 7 tap filter [1, 1, 1, 2, 1, 1, 1] for flat line
if (flat && mask) {
const uint8_t p3 = *op3;
const uint8_t p2 = *op2;
const uint8_t p1 = *op1;
const uint8_t p0 = *op0;
const uint8_t q0 = *oq0;
const uint8_t q1 = *oq1;
const uint8_t q2 = *oq2;
const uint8_t q3 = *oq3;
*op2 = (p3 + p3 + p3 + p2 + p2 + p1 + p0 + q0 + 4) >> 3;
*op1 = (p3 + p3 + p2 + p1 + p1 + p0 + q0 + q1 + 4) >> 3;
*op0 = (p3 + p2 + p1 + p0 + p0 + q0 + q1 + q2 + 4) >> 3;
*oq0 = (p2 + p1 + p0 + q0 + q0 + q1 + q2 + q3 + 4) >> 3;
*oq1 = (p1 + p0 + q0 + q1 + q1 + q2 + q3 + q3 + 4) >> 3;
*oq2 = (p0 + q0 + q1 + q2 + q2 + q3 + q3 + q3 + 4) >> 3;
} else {
int8_t filter1, filter2;
const int8_t ps1 = (int8_t) *op1 ^ 0x80;
const int8_t ps0 = (int8_t) *op0 ^ 0x80;
const int8_t qs0 = (int8_t) *oq0 ^ 0x80;
const int8_t qs1 = (int8_t) *oq1 ^ 0x80;
// add outer taps if we have high edge variance
int8_t filter = signed_char_clamp(ps1 - qs1) & hev;
// inner taps
filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask;
filter1 = signed_char_clamp(filter + 4) >> 3;
filter2 = signed_char_clamp(filter + 3) >> 3;
*oq0 = signed_char_clamp(qs0 - filter1) ^ 0x80;
*op0 = signed_char_clamp(ps0 + filter2) ^ 0x80;
filter = filter1;
// outer tap adjustments
filter += 1;
filter >>= 1;
filter &= ~hev;
*oq1 = signed_char_clamp(qs1 - filter) ^ 0x80;
*op1 = signed_char_clamp(ps1 + filter) ^ 0x80;
}
}
void vp9_mbloop_filter_horizontal_edge_c(uint8_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh,
int count) {
int i = 0;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
do {
const int8_t mask = filter_mask(limit[0], blimit[0],
s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p],
s[ 0 * p], s[ 1 * p], s[ 2 * p], s[ 3 * p]);
const int8_t hev = hevmask(thresh[0],
s[-2 * p], s[-1 * p], s[0 * p], s[1 * p]);
const int8_t flat = flatmask4(1,
s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p],
s[ 0 * p], s[ 1 * p], s[ 2 * p], s[ 3 * p]);
mbfilter(mask, hev, flat,
s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p,
s, s + 1 * p, s + 2 * p, s + 3 * p);
++s;
} while (++i < count * 8);
}
void vp9_mbloop_filter_vertical_edge_c(uint8_t *s, int pitch,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh,
int count) {
int i = 0;
do {
const int8_t mask = filter_mask(limit[0], blimit[0],
s[-4], s[-3], s[-2], s[-1],
s[0], s[1], s[2], s[3]);
const int8_t hev = hevmask(thresh[0], s[-2], s[-1], s[0], s[1]);
const int8_t flat = flatmask4(1, s[-4], s[-3], s[-2], s[-1],
s[ 0], s[ 1], s[ 2], s[ 3]);
mbfilter(mask, hev, flat, s - 4, s - 3, s - 2, s - 1,
s, s + 1, s + 2, s + 3);
s += pitch;
} while (++i < count * 8);
}
// should we apply any filter at all: 11111111 yes, 00000000 no
static INLINE int8_t simple_filter_mask(uint8_t blimit,
uint8_t p1, uint8_t p0,
uint8_t q0, uint8_t q1) {
return (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 <= blimit) * -1;
}
static INLINE void simple_filter(int8_t mask,
uint8_t *op1, uint8_t *op0,
uint8_t *oq0, uint8_t *oq1) {
int8_t filter1, filter2;
const int8_t p1 = (int8_t) *op1 ^ 0x80;
const int8_t p0 = (int8_t) *op0 ^ 0x80;
const int8_t q0 = (int8_t) *oq0 ^ 0x80;
const int8_t q1 = (int8_t) *oq1 ^ 0x80;
int8_t filter = signed_char_clamp(p1 - q1);
filter = signed_char_clamp(filter + 3 * (q0 - p0));
filter &= mask;
// save bottom 3 bits so that we round one side +4 and the other +3
filter1 = signed_char_clamp(filter + 4) >> 3;
*oq0 = signed_char_clamp(q0 - filter1) ^ 0x80;
filter2 = signed_char_clamp(filter + 3) >> 3;
*op0 = signed_char_clamp(p0 + filter2) ^ 0x80;
}
void vp9_loop_filter_simple_horizontal_edge_c(uint8_t *s, int p,
const uint8_t *blimit) {
int i = 0;
do {
const int8_t mask = simple_filter_mask(blimit[0], s[-2 * p], s[-1 * p],
s[0 * p], s[1 * p]);
simple_filter(mask, s - 2 * p, s - 1 * p, s, s + 1 * p);
++s;
} while (++i < 16);
}
void vp9_loop_filter_simple_vertical_edge_c(uint8_t *s, int p,
const uint8_t *blimit) {
int i = 0;
do {
const int8_t mask = simple_filter_mask(blimit[0], s[-2], s[-1], s[0], s[1]);
simple_filter(mask, s - 2, s - 1, s, s + 1);
s += p;
} while (++i < 16);
}
/* Vertical MB Filtering */
void vp9_loop_filter_mbv_c(uint8_t *y_ptr, uint8_t *u_ptr,
uint8_t *v_ptr, int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_mbloop_filter_vertical_edge_c(y_ptr, y_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 2);
if (u_ptr)
vp9_mbloop_filter_vertical_edge_c(u_ptr, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
if (v_ptr)
vp9_mbloop_filter_vertical_edge_c(v_ptr, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
}
/* Vertical B Filtering */
void vp9_loop_filter_bv_c(uint8_t*y_ptr, uint8_t *u_ptr,
uint8_t *v_ptr, int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_loop_filter_vertical_edge_c(y_ptr + 4, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
vp9_loop_filter_vertical_edge_c(y_ptr + 8, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
vp9_loop_filter_vertical_edge_c(y_ptr + 12, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
if (u_ptr)
vp9_loop_filter_vertical_edge_c(u_ptr + 4, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
if (v_ptr)
vp9_loop_filter_vertical_edge_c(v_ptr + 4, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
}
// Horizontal MB filtering
void vp9_loop_filter_mbh_c(uint8_t *y, uint8_t *u, uint8_t *v,
int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_mbloop_filter_horizontal_edge_c(y, y_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 2);
if (u)
vp9_mbloop_filter_horizontal_edge_c(u, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
if (v)
vp9_mbloop_filter_horizontal_edge_c(v, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
}
// Horizontal B Filtering
void vp9_loop_filter_bh_c(uint8_t *y, uint8_t *u, uint8_t *v,
int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_loop_filter_horizontal_edge_c(y + 4 * y_stride, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
vp9_loop_filter_horizontal_edge_c(y + 8 * y_stride, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
vp9_loop_filter_horizontal_edge_c(y + 12 * y_stride, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
if (u)
vp9_loop_filter_horizontal_edge_c(u + 4 * uv_stride, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
if (v)
vp9_loop_filter_horizontal_edge_c(v + 4 * uv_stride, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
}
void vp9_loop_filter_bh8x8_c(uint8_t *y, uint8_t *u, uint8_t *v,
int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_mbloop_filter_horizontal_edge_c(y + 8 * y_stride, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
if (u)
vp9_loop_filter_horizontal_edge_c(u + 4 * uv_stride, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
if (v)
vp9_loop_filter_horizontal_edge_c(v + 4 * uv_stride, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
}
void vp9_loop_filter_bhs_c(uint8_t *y, int y_stride, const uint8_t *blimit) {
vp9_loop_filter_simple_horizontal_edge_c(y + 4 * y_stride, y_stride, blimit);
vp9_loop_filter_simple_horizontal_edge_c(y + 8 * y_stride, y_stride, blimit);
vp9_loop_filter_simple_horizontal_edge_c(y + 12 * y_stride, y_stride, blimit);
}
void vp9_loop_filter_bv8x8_c(uint8_t *y, uint8_t *u, uint8_t *v,
int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_mbloop_filter_vertical_edge_c(y + 8, y_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 2);
if (u)
vp9_loop_filter_vertical_edge_c(u + 4, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
if (v)
vp9_loop_filter_vertical_edge_c(v + 4, uv_stride,
lfi->blim, lfi->lim, lfi->hev_thr, 1);
}
void vp9_loop_filter_bvs_c(uint8_t *y, int y_stride, const uint8_t *blimit) {
vp9_loop_filter_simple_vertical_edge_c(y + 4, y_stride, blimit);
vp9_loop_filter_simple_vertical_edge_c(y + 8, y_stride, blimit);
vp9_loop_filter_simple_vertical_edge_c(y + 12, y_stride, blimit);
}
static INLINE void wide_mbfilter(int8_t mask, uint8_t hev,
uint8_t flat, uint8_t flat2,
uint8_t *op7, uint8_t *op6, uint8_t *op5,
uint8_t *op4, uint8_t *op3, uint8_t *op2,
uint8_t *op1, uint8_t *op0, uint8_t *oq0,
uint8_t *oq1, uint8_t *oq2, uint8_t *oq3,
uint8_t *oq4, uint8_t *oq5, uint8_t *oq6,
uint8_t *oq7) {
// use a 15 tap filter [1,1,1,1,1,1,1,2,1,1,1,1,1,1,1] for flat line
if (flat2 && flat && mask) {
const uint8_t p7 = *op7;
const uint8_t p6 = *op6;
const uint8_t p5 = *op5;
const uint8_t p4 = *op4;
const uint8_t p3 = *op3;
const uint8_t p2 = *op2;
const uint8_t p1 = *op1;
const uint8_t p0 = *op0;
const uint8_t q0 = *oq0;
const uint8_t q1 = *oq1;
const uint8_t q2 = *oq2;
const uint8_t q3 = *oq3;
const uint8_t q4 = *oq4;
const uint8_t q5 = *oq5;
const uint8_t q6 = *oq6;
const uint8_t q7 = *oq7;
*op6 = (p7 * 7 + p6 * 2 +
p5 + p4 + p3 + p2 + p1 + p0 + q0 + 8) >> 4;
*op5 = (p7 * 6 + p6 + p5 * 2 +
p4 + p3 + p2 + p1 + p0 + q0 + q1 + 8) >> 4;
*op4 = (p7 * 5 + p6 + p5 + p4 * 2 +
p3 + p2 + p1 + p0 + q0 + q1 + q2 + 8) >> 4;
*op3 = (p7 * 4 + p6 + p5 + p4 + p3 * 2 +
p2 + p1 + p0 + q0 + q1 + q2 + q3 + 8) >> 4;
*op2 = (p7 * 3 + p6 + p5 + p4 + p3 + p2 * 2 +
p1 + p0 + q0 + q1 + q2 + q3 + q4 + 8) >> 4;
*op1 = (p7 * 2 + p6 + p5 + p4 + p3 + p2 + p1 * 2 +
p0 + q0 + q1 + q2 + q3 + q4 + q5 + 8) >> 4;
*op0 = (p7 + p6 + p5 + p4 + p3 + p2 + p1 + p0 * 2 +
q0 + q1 + q2 + q3 + q4 + q5 + q6 + 8) >> 4;
*oq0 = (p6 + p5 + p4 + p3 + p2 + p1 + p0 + q0 * 2 +
q1 + q2 + q3 + q4 + q5 + q6 + q7 + 8) >> 4;
*oq1 = (p5 + p4 + p3 + p2 + p1 + p0 + q0 + q1 * 2 +
q2 + q3 + q4 + q5 + q6 + q7 * 2 + 8) >> 4;
*oq2 = (p4 + p3 + p2 + p1 + p0 + q0 + q1 + q2 * 2 +
q3 + q4 + q5 + q6 + q7 * 3 + 8) >> 4;
*oq3 = (p3 + p2 + p1 + p0 + q0 + q1 + q2 + q3 * 2 +
q4 + q5 + q6 + q7 * 4 + 8) >> 4;
*oq4 = (p2 + p1 + p0 + q0 + q1 + q2 + q3 + q4 * 2 +
q5 + q6 + q7 * 5 + 8) >> 4;
*oq5 = (p1 + p0 + q0 + q1 + q2 + q3 + q4 + q5 * 2 +
q6 + q7 * 6 + 8) >> 4;
*oq6 = (p0 + q0 + q1 + q2 + q3 + q4 + q5 + q6 * 2 +
q7 * 7 + 8) >> 4;
} else if (flat && mask) {
const uint8_t p3 = *op3;
const uint8_t p2 = *op2;
const uint8_t p1 = *op1;
const uint8_t p0 = *op0;
const uint8_t q0 = *oq0;
const uint8_t q1 = *oq1;
const uint8_t q2 = *oq2;
const uint8_t q3 = *oq3;
*op2 = (p3 + p3 + p3 + p2 + p2 + p1 + p0 + q0 + 4) >> 3;
*op1 = (p3 + p3 + p2 + p1 + p1 + p0 + q0 + q1 + 4) >> 3;
*op0 = (p3 + p2 + p1 + p0 + p0 + q0 + q1 + q2 + 4) >> 3;
*oq0 = (p2 + p1 + p0 + q0 + q0 + q1 + q2 + q3 + 4) >> 3;
*oq1 = (p1 + p0 + q0 + q1 + q1 + q2 + q3 + q3 + 4) >> 3;
*oq2 = (p0 + q0 + q1 + q2 + q2 + q3 + q3 + q3 + 4) >> 3;
} else {
int8_t filter1, filter2;
const int8_t ps1 = (int8_t) * op1 ^ 0x80;
const int8_t ps0 = (int8_t) * op0 ^ 0x80;
const int8_t qs0 = (int8_t) * oq0 ^ 0x80;
const int8_t qs1 = (int8_t) * oq1 ^ 0x80;
// add outer taps if we have high edge variance
int8_t filter = signed_char_clamp(ps1 - qs1) & hev;
// inner taps
filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask;
filter1 = signed_char_clamp(filter + 4) >> 3;
filter2 = signed_char_clamp(filter + 3) >> 3;
*oq0 = signed_char_clamp(qs0 - filter1) ^ 0x80;
*op0 = signed_char_clamp(ps0 + filter2) ^ 0x80;
filter = filter1;
// outer tap adjustments
filter += 1;
filter >>= 1;
filter &= ~hev;
*oq1 = signed_char_clamp(qs1 - filter) ^ 0x80;
*op1 = signed_char_clamp(ps1 + filter) ^ 0x80;
}
}
void vp9_mb_lpf_horizontal_edge_w(uint8_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh,
int count) {
int i = 0;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
do {
const int8_t mask = filter_mask(limit[0], blimit[0],
s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p],
s[ 0 * p], s[ 1 * p], s[ 2 * p], s[ 3 * p]);
const int8_t hev = hevmask(thresh[0],
s[-2 * p], s[-1 * p], s[0 * p], s[1 * p]);
const int8_t flat = flatmask4(1,
s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p],
s[ 0 * p], s[ 1 * p], s[ 2 * p], s[ 3 * p]);
const int8_t flat2 = flatmask5(1,
s[-8 * p], s[-7 * p], s[-6 * p], s[-5 * p], s[-1 * p],
s[ 0 * p], s[ 4 * p], s[ 5 * p], s[ 6 * p], s[ 7 * p]);
wide_mbfilter(mask, hev, flat, flat2,
s - 8 * p, s - 7 * p, s - 6 * p, s - 5 * p,
s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p,
s, s + 1 * p, s + 2 * p, s + 3 * p,
s + 4 * p, s + 5 * p, s + 6 * p, s + 7 * p);
++s;
} while (++i < count * 8);
}
void vp9_mb_lpf_vertical_edge_w(uint8_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh,
int count) {
int i = 0;
do {
const int8_t mask = filter_mask(limit[0], blimit[0],
s[-4], s[-3], s[-2], s[-1],
s[0], s[1], s[2], s[3]);
const int8_t hev = hevmask(thresh[0], s[-2], s[-1], s[0], s[1]);
const int8_t flat = flatmask4(1, s[-4], s[-3], s[-2], s[-1],
s[ 0], s[ 1], s[ 2], s[ 3]);
const int8_t flat2 = flatmask5(1, s[-8], s[-7], s[-6], s[-5], s[-1],
s[ 0], s[ 4], s[ 5], s[ 6], s[ 7]);
wide_mbfilter(mask, hev, flat, flat2,
s - 8, s - 7, s - 6, s - 5,
s - 4, s - 3, s - 2, s - 1,
s, s + 1, s + 2, s + 3,
s + 4, s + 5, s + 6, s + 7);
s += p;
} while (++i < count * 8);
}
void vp9_lpf_mbv_w_c(uint8_t *y, uint8_t *u, uint8_t *v,
int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_mb_lpf_vertical_edge_w(y, y_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 2);
if (u)
vp9_mbloop_filter_vertical_edge_c(u, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
if (v)
vp9_mbloop_filter_vertical_edge_c(v, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
}
void vp9_lpf_mbh_w_c(uint8_t *y, uint8_t *u, uint8_t *v,
int y_stride, int uv_stride,
struct loop_filter_info *lfi) {
vp9_mb_lpf_horizontal_edge_w(y, y_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 2);
if (u)
vp9_mbloop_filter_horizontal_edge_c(u, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
if (v)
vp9_mbloop_filter_horizontal_edge_c(v, uv_stride,
lfi->mblim, lfi->lim, lfi->hev_thr, 1);
}