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f883b42cabd100e575becdfb8f361f953942fe02
vpx/aom_dsp/loopfilter.c
Yaowu Xu f883b42cab Port renaming changes from AOMedia 
Cherry-Picked the following commits:
0defd8f Changed "WebM" to "AOMedia" & "webm" to "aomedia"
54e6676 Replace "VPx" by "AVx"
5082a36 Change "Vpx" to "Avx"
7df44f1 Replace "Vp9" w/ "Av1"
967f722 Remove kVp9CodecId
828f30c Change "Vp8" to "AOM"
030b5ff AUTHORS regenerated
2524cae Add ref-mv experimental flag
016762b Change copyright notice to AOMedia form
81e5526 Replace vp9 w/ av1
9b94565 Add missing files
fa8ca9f Change "vp9" to "av1"
ec838b7  Convert "vp8" to "aom"
80edfa0 Change "VP9" to "AV1"
d1a11fb Change "vp8" to "aom"
7b58251 Point to WebM test data
dd1a5c8 Replace "VP8" with "AOM"
ff00fc0 Change "VPX" to "AOM"
01dee0b Change "vp10" to "av1" in source code
cebe6f0 Convert "vpx" to "aom"
17b0567 rename vp10*.mk to av1_*.mk
fe5f8a8 rename files vp10_* to av1_*

Change-Id: I6fc3d18eb11fc171e46140c836ad5339cf6c9419
2016-08-31 18:19:03 -07:00

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/*
* Copyright (c) 2015 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 "./aom_config.h"
#include "./aom_dsp_rtcd.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_ports/mem.h"
static INLINE int8_t signed_char_clamp(int t) {
return (int8_t)clamp(t, -128, 127);
}
#if CONFIG_AOM_HIGHBITDEPTH
static INLINE int16_t signed_char_clamp_high(int t, int bd) {
switch (bd) {
case 10: return (int16_t)clamp(t, -128 * 4, 128 * 4 - 1);
case 12: return (int16_t)clamp(t, -128 * 16, 128 * 16 - 1);
case 8:
default: return (int16_t)clamp(t, -128, 128 - 1);
}
}
#endif
// 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;
}
static INLINE int8_t flat_mask4(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 mask = 0;
mask |= (abs(p1 - p0) > thresh) * -1;
mask |= (abs(q1 - q0) > thresh) * -1;
mask |= (abs(p2 - p0) > thresh) * -1;
mask |= (abs(q2 - q0) > thresh) * -1;
mask |= (abs(p3 - p0) > thresh) * -1;
mask |= (abs(q3 - q0) > thresh) * -1;
return ~mask;
}
static INLINE int8_t flat_mask5(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 mask = ~flat_mask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3);
mask |= (abs(p4 - p0) > thresh) * -1;
mask |= (abs(q4 - q0) > thresh) * -1;
return ~mask;
}
// is there high edge variance internal edge: 11111111 yes, 00000000 no
static INLINE int8_t hev_mask(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 filter4(int8_t mask, uint8_t thresh, 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;
const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1);
// 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;
// outer tap adjustments
filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev;
*oq1 = signed_char_clamp(qs1 - filter) ^ 0x80;
*op1 = signed_char_clamp(ps1 + filter) ^ 0x80;
}
void aom_lpf_horizontal_4_c(uint8_t *s, int p /* pitch */,
const uint8_t *blimit, const uint8_t *limit,
const uint8_t *thresh) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8; ++i) {
const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
const int8_t mask =
filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
filter4(mask, *thresh, s - 2 * p, s - 1 * p, s, s + 1 * p);
++s;
}
}
void aom_lpf_horizontal_4_dual_c(uint8_t *s, int p, const uint8_t *blimit0,
const uint8_t *limit0, const uint8_t *thresh0,
const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
aom_lpf_horizontal_4_c(s, p, blimit0, limit0, thresh0);
aom_lpf_horizontal_4_c(s + 8, p, blimit1, limit1, thresh1);
}
void aom_lpf_vertical_4_c(uint8_t *s, int pitch, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8; ++i) {
const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
const int8_t mask =
filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
filter4(mask, *thresh, s - 2, s - 1, s, s + 1);
s += pitch;
}
}
void aom_lpf_vertical_4_dual_c(uint8_t *s, int pitch, const uint8_t *blimit0,
const uint8_t *limit0, const uint8_t *thresh0,
const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
aom_lpf_vertical_4_c(s, pitch, blimit0, limit0, thresh0);
aom_lpf_vertical_4_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1);
}
static INLINE void filter8(int8_t mask, uint8_t thresh, 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) {
if (flat && mask) {
const uint8_t p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3;
// 7-tap filter [1, 1, 1, 2, 1, 1, 1]
*op2 = ROUND_POWER_OF_TWO(p3 + p3 + p3 + 2 * p2 + p1 + p0 + q0, 3);
*op1 = ROUND_POWER_OF_TWO(p3 + p3 + p2 + 2 * p1 + p0 + q0 + q1, 3);
*op0 = ROUND_POWER_OF_TWO(p3 + p2 + p1 + 2 * p0 + q0 + q1 + q2, 3);
*oq0 = ROUND_POWER_OF_TWO(p2 + p1 + p0 + 2 * q0 + q1 + q2 + q3, 3);
*oq1 = ROUND_POWER_OF_TWO(p1 + p0 + q0 + 2 * q1 + q2 + q3 + q3, 3);
*oq2 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + 2 * q2 + q3 + q3 + q3, 3);
} else {
filter4(mask, thresh, op1, op0, oq0, oq1);
}
}
void aom_lpf_horizontal_8_c(uint8_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8; ++i) {
const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
const int8_t mask =
filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
filter8(mask, *thresh, flat, s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p, s,
s + 1 * p, s + 2 * p, s + 3 * p);
++s;
}
}
void aom_lpf_horizontal_8_dual_c(uint8_t *s, int p, const uint8_t *blimit0,
const uint8_t *limit0, const uint8_t *thresh0,
const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
aom_lpf_horizontal_8_c(s, p, blimit0, limit0, thresh0);
aom_lpf_horizontal_8_c(s + 8, p, blimit1, limit1, thresh1);
}
void aom_lpf_vertical_8_c(uint8_t *s, int pitch, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
int i;
for (i = 0; i < 8; ++i) {
const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
const int8_t mask =
filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
filter8(mask, *thresh, flat, s - 4, s - 3, s - 2, s - 1, s, s + 1, s + 2,
s + 3);
s += pitch;
}
}
void aom_lpf_vertical_8_dual_c(uint8_t *s, int pitch, const uint8_t *blimit0,
const uint8_t *limit0, const uint8_t *thresh0,
const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
aom_lpf_vertical_8_c(s, pitch, blimit0, limit0, thresh0);
aom_lpf_vertical_8_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1);
}
static INLINE void filter16(int8_t mask, uint8_t thresh, 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) {
if (flat2 && flat && mask) {
const uint8_t p7 = *op7, p6 = *op6, p5 = *op5, p4 = *op4, p3 = *op3,
p2 = *op2, p1 = *op1, p0 = *op0;
const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3, q4 = *oq4,
q5 = *oq5, q6 = *oq6, q7 = *oq7;
// 15-tap filter [1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]
*op6 = ROUND_POWER_OF_TWO(
p7 * 7 + p6 * 2 + p5 + p4 + p3 + p2 + p1 + p0 + q0, 4);
*op5 = ROUND_POWER_OF_TWO(
p7 * 6 + p6 + p5 * 2 + p4 + p3 + p2 + p1 + p0 + q0 + q1, 4);
*op4 = ROUND_POWER_OF_TWO(
p7 * 5 + p6 + p5 + p4 * 2 + p3 + p2 + p1 + p0 + q0 + q1 + q2, 4);
*op3 = ROUND_POWER_OF_TWO(
p7 * 4 + p6 + p5 + p4 + p3 * 2 + p2 + p1 + p0 + q0 + q1 + q2 + q3, 4);
*op2 = ROUND_POWER_OF_TWO(
p7 * 3 + p6 + p5 + p4 + p3 + p2 * 2 + p1 + p0 + q0 + q1 + q2 + q3 + q4,
4);
*op1 = ROUND_POWER_OF_TWO(p7 * 2 + p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 +
q0 + q1 + q2 + q3 + q4 + q5,
4);
*op0 = ROUND_POWER_OF_TWO(p7 + p6 + p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 +
q1 + q2 + q3 + q4 + q5 + q6,
4);
*oq0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 +
q2 + q3 + q4 + q5 + q6 + q7,
4);
*oq1 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 +
q3 + q4 + q5 + q6 + q7 * 2,
4);
*oq2 = ROUND_POWER_OF_TWO(
p4 + p3 + p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 + q4 + q5 + q6 + q7 * 3,
4);
*oq3 = ROUND_POWER_OF_TWO(
p3 + p2 + p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 + q5 + q6 + q7 * 4, 4);
*oq4 = ROUND_POWER_OF_TWO(
p2 + p1 + p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 + q6 + q7 * 5, 4);
*oq5 = ROUND_POWER_OF_TWO(
p1 + p0 + q0 + q1 + q2 + q3 + q4 + q5 * 2 + q6 + q7 * 6, 4);
*oq6 = ROUND_POWER_OF_TWO(
p0 + q0 + q1 + q2 + q3 + q4 + q5 + q6 * 2 + q7 * 7, 4);
} else {
filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3);
}
}
static void 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;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8 * count; ++i) {
const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
const int8_t mask =
filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
const int8_t flat2 =
flat_mask5(1, s[-8 * p], s[-7 * p], s[-6 * p], s[-5 * p], p0, q0,
s[4 * p], s[5 * p], s[6 * p], s[7 * p]);
filter16(mask, *thresh, 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;
}
}
void aom_lpf_horizontal_edge_8_c(uint8_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 1);
}
void aom_lpf_horizontal_edge_16_c(uint8_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 2);
}
static void 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;
for (i = 0; i < count; ++i) {
const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
const int8_t mask =
filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
const int8_t flat2 = flat_mask5(1, s[-8], s[-7], s[-6], s[-5], p0, q0, s[4],
s[5], s[6], s[7]);
filter16(mask, *thresh, 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;
}
}
void aom_lpf_vertical_16_c(uint8_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 8);
}
void aom_lpf_vertical_16_dual_c(uint8_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 16);
}
#if CONFIG_AOM_HIGHBITDEPTH
// Should we apply any filter at all: 11111111 yes, 00000000 no ?
static INLINE int8_t highbd_filter_mask(uint8_t limit, uint8_t blimit,
uint16_t p3, uint16_t p2, uint16_t p1,
uint16_t p0, uint16_t q0, uint16_t q1,
uint16_t q2, uint16_t q3, int bd) {
int8_t mask = 0;
int16_t limit16 = (uint16_t)limit << (bd - 8);
int16_t blimit16 = (uint16_t)blimit << (bd - 8);
mask |= (abs(p3 - p2) > limit16) * -1;
mask |= (abs(p2 - p1) > limit16) * -1;
mask |= (abs(p1 - p0) > limit16) * -1;
mask |= (abs(q1 - q0) > limit16) * -1;
mask |= (abs(q2 - q1) > limit16) * -1;
mask |= (abs(q3 - q2) > limit16) * -1;
mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit16) * -1;
return ~mask;
}
static INLINE int8_t highbd_flat_mask4(uint8_t thresh, uint16_t p3, uint16_t p2,
uint16_t p1, uint16_t p0, uint16_t q0,
uint16_t q1, uint16_t q2, uint16_t q3,
int bd) {
int8_t mask = 0;
int16_t thresh16 = (uint16_t)thresh << (bd - 8);
mask |= (abs(p1 - p0) > thresh16) * -1;
mask |= (abs(q1 - q0) > thresh16) * -1;
mask |= (abs(p2 - p0) > thresh16) * -1;
mask |= (abs(q2 - q0) > thresh16) * -1;
mask |= (abs(p3 - p0) > thresh16) * -1;
mask |= (abs(q3 - q0) > thresh16) * -1;
return ~mask;
}
static INLINE int8_t highbd_flat_mask5(uint8_t thresh, uint16_t p4, uint16_t p3,
uint16_t p2, uint16_t p1, uint16_t p0,
uint16_t q0, uint16_t q1, uint16_t q2,
uint16_t q3, uint16_t q4, int bd) {
int8_t mask = ~highbd_flat_mask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3, bd);
int16_t thresh16 = (uint16_t)thresh << (bd - 8);
mask |= (abs(p4 - p0) > thresh16) * -1;
mask |= (abs(q4 - q0) > thresh16) * -1;
return ~mask;
}
// Is there high edge variance internal edge:
// 11111111_11111111 yes, 00000000_00000000 no ?
static INLINE int16_t highbd_hev_mask(uint8_t thresh, uint16_t p1, uint16_t p0,
uint16_t q0, uint16_t q1, int bd) {
int16_t hev = 0;
int16_t thresh16 = (uint16_t)thresh << (bd - 8);
hev |= (abs(p1 - p0) > thresh16) * -1;
hev |= (abs(q1 - q0) > thresh16) * -1;
return hev;
}
static INLINE void highbd_filter4(int8_t mask, uint8_t thresh, uint16_t *op1,
uint16_t *op0, uint16_t *oq0, uint16_t *oq1,
int bd) {
int16_t filter1, filter2;
// ^0x80 equivalent to subtracting 0x80 from the values to turn them
// into -128 to +127 instead of 0 to 255.
int shift = bd - 8;
const int16_t ps1 = (int16_t)*op1 - (0x80 << shift);
const int16_t ps0 = (int16_t)*op0 - (0x80 << shift);
const int16_t qs0 = (int16_t)*oq0 - (0x80 << shift);
const int16_t qs1 = (int16_t)*oq1 - (0x80 << shift);
const uint16_t hev = highbd_hev_mask(thresh, *op1, *op0, *oq0, *oq1, bd);
// Add outer taps if we have high edge variance.
int16_t filter = signed_char_clamp_high(ps1 - qs1, bd) & hev;
// Inner taps.
filter = signed_char_clamp_high(filter + 3 * (qs0 - ps0), bd) & 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_high(filter + 4, bd) >> 3;
filter2 = signed_char_clamp_high(filter + 3, bd) >> 3;
*oq0 = signed_char_clamp_high(qs0 - filter1, bd) + (0x80 << shift);
*op0 = signed_char_clamp_high(ps0 + filter2, bd) + (0x80 << shift);
// Outer tap adjustments.
filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev;
*oq1 = signed_char_clamp_high(qs1 - filter, bd) + (0x80 << shift);
*op1 = signed_char_clamp_high(ps1 + filter, bd) + (0x80 << shift);
}
void aom_highbd_lpf_horizontal_4_c(uint16_t *s, int p /* pitch */,
const uint8_t *blimit, const uint8_t *limit,
const uint8_t *thresh, int bd) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8; ++i) {
const uint16_t p3 = s[-4 * p];
const uint16_t p2 = s[-3 * p];
const uint16_t p1 = s[-2 * p];
const uint16_t p0 = s[-p];
const uint16_t q0 = s[0 * p];
const uint16_t q1 = s[1 * p];
const uint16_t q2 = s[2 * p];
const uint16_t q3 = s[3 * p];
const int8_t mask =
highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
highbd_filter4(mask, *thresh, s - 2 * p, s - 1 * p, s, s + 1 * p, bd);
++s;
}
}
void aom_highbd_lpf_horizontal_4_dual_c(
uint16_t *s, int p, const uint8_t *blimit0, const uint8_t *limit0,
const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1, int bd) {
aom_highbd_lpf_horizontal_4_c(s, p, blimit0, limit0, thresh0, bd);
aom_highbd_lpf_horizontal_4_c(s + 8, p, blimit1, limit1, thresh1, bd);
}
void aom_highbd_lpf_vertical_4_c(uint16_t *s, int pitch, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh,
int bd) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8; ++i) {
const uint16_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
const uint16_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
const int8_t mask =
highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
highbd_filter4(mask, *thresh, s - 2, s - 1, s, s + 1, bd);
s += pitch;
}
}
void aom_highbd_lpf_vertical_4_dual_c(
uint16_t *s, int pitch, const uint8_t *blimit0, const uint8_t *limit0,
const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1, int bd) {
aom_highbd_lpf_vertical_4_c(s, pitch, blimit0, limit0, thresh0, bd);
aom_highbd_lpf_vertical_4_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1,
bd);
}
static INLINE void highbd_filter8(int8_t mask, uint8_t thresh, uint8_t flat,
uint16_t *op3, uint16_t *op2, uint16_t *op1,
uint16_t *op0, uint16_t *oq0, uint16_t *oq1,
uint16_t *oq2, uint16_t *oq3, int bd) {
if (flat && mask) {
const uint16_t p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
const uint16_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3;
// 7-tap filter [1, 1, 1, 2, 1, 1, 1]
*op2 = ROUND_POWER_OF_TWO(p3 + p3 + p3 + 2 * p2 + p1 + p0 + q0, 3);
*op1 = ROUND_POWER_OF_TWO(p3 + p3 + p2 + 2 * p1 + p0 + q0 + q1, 3);
*op0 = ROUND_POWER_OF_TWO(p3 + p2 + p1 + 2 * p0 + q0 + q1 + q2, 3);
*oq0 = ROUND_POWER_OF_TWO(p2 + p1 + p0 + 2 * q0 + q1 + q2 + q3, 3);
*oq1 = ROUND_POWER_OF_TWO(p1 + p0 + q0 + 2 * q1 + q2 + q3 + q3, 3);
*oq2 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + 2 * q2 + q3 + q3 + q3, 3);
} else {
highbd_filter4(mask, thresh, op1, op0, oq0, oq1, bd);
}
}
void aom_highbd_lpf_horizontal_8_c(uint16_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh,
int bd) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8; ++i) {
const uint16_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
const uint16_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
const int8_t mask =
highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
const int8_t flat =
highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
highbd_filter8(mask, *thresh, flat, s - 4 * p, s - 3 * p, s - 2 * p,
s - 1 * p, s, s + 1 * p, s + 2 * p, s + 3 * p, bd);
++s;
}
}
void aom_highbd_lpf_horizontal_8_dual_c(
uint16_t *s, int p, const uint8_t *blimit0, const uint8_t *limit0,
const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1, int bd) {
aom_highbd_lpf_horizontal_8_c(s, p, blimit0, limit0, thresh0, bd);
aom_highbd_lpf_horizontal_8_c(s + 8, p, blimit1, limit1, thresh1, bd);
}
void aom_highbd_lpf_vertical_8_c(uint16_t *s, int pitch, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh,
int bd) {
int i;
for (i = 0; i < 8; ++i) {
const uint16_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
const uint16_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
const int8_t mask =
highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
const int8_t flat =
highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
highbd_filter8(mask, *thresh, flat, s - 4, s - 3, s - 2, s - 1, s, s + 1,
s + 2, s + 3, bd);
s += pitch;
}
}
void aom_highbd_lpf_vertical_8_dual_c(
uint16_t *s, int pitch, const uint8_t *blimit0, const uint8_t *limit0,
const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1, int bd) {
aom_highbd_lpf_vertical_8_c(s, pitch, blimit0, limit0, thresh0, bd);
aom_highbd_lpf_vertical_8_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1,
bd);
}
static INLINE void highbd_filter16(int8_t mask, uint8_t thresh, uint8_t flat,
uint8_t flat2, uint16_t *op7, uint16_t *op6,
uint16_t *op5, uint16_t *op4, uint16_t *op3,
uint16_t *op2, uint16_t *op1, uint16_t *op0,
uint16_t *oq0, uint16_t *oq1, uint16_t *oq2,
uint16_t *oq3, uint16_t *oq4, uint16_t *oq5,
uint16_t *oq6, uint16_t *oq7, int bd) {
if (flat2 && flat && mask) {
const uint16_t p7 = *op7;
const uint16_t p6 = *op6;
const uint16_t p5 = *op5;
const uint16_t p4 = *op4;
const uint16_t p3 = *op3;
const uint16_t p2 = *op2;
const uint16_t p1 = *op1;
const uint16_t p0 = *op0;
const uint16_t q0 = *oq0;
const uint16_t q1 = *oq1;
const uint16_t q2 = *oq2;
const uint16_t q3 = *oq3;
const uint16_t q4 = *oq4;
const uint16_t q5 = *oq5;
const uint16_t q6 = *oq6;
const uint16_t q7 = *oq7;
// 15-tap filter [1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]
*op6 = ROUND_POWER_OF_TWO(
p7 * 7 + p6 * 2 + p5 + p4 + p3 + p2 + p1 + p0 + q0, 4);
*op5 = ROUND_POWER_OF_TWO(
p7 * 6 + p6 + p5 * 2 + p4 + p3 + p2 + p1 + p0 + q0 + q1, 4);
*op4 = ROUND_POWER_OF_TWO(
p7 * 5 + p6 + p5 + p4 * 2 + p3 + p2 + p1 + p0 + q0 + q1 + q2, 4);
*op3 = ROUND_POWER_OF_TWO(
p7 * 4 + p6 + p5 + p4 + p3 * 2 + p2 + p1 + p0 + q0 + q1 + q2 + q3, 4);
*op2 = ROUND_POWER_OF_TWO(
p7 * 3 + p6 + p5 + p4 + p3 + p2 * 2 + p1 + p0 + q0 + q1 + q2 + q3 + q4,
4);
*op1 = ROUND_POWER_OF_TWO(p7 * 2 + p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 +
q0 + q1 + q2 + q3 + q4 + q5,
4);
*op0 = ROUND_POWER_OF_TWO(p7 + p6 + p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 +
q1 + q2 + q3 + q4 + q5 + q6,
4);
*oq0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 +
q2 + q3 + q4 + q5 + q6 + q7,
4);
*oq1 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 +
q3 + q4 + q5 + q6 + q7 * 2,
4);
*oq2 = ROUND_POWER_OF_TWO(
p4 + p3 + p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 + q4 + q5 + q6 + q7 * 3,
4);
*oq3 = ROUND_POWER_OF_TWO(
p3 + p2 + p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 + q5 + q6 + q7 * 4, 4);
*oq4 = ROUND_POWER_OF_TWO(
p2 + p1 + p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 + q6 + q7 * 5, 4);
*oq5 = ROUND_POWER_OF_TWO(
p1 + p0 + q0 + q1 + q2 + q3 + q4 + q5 * 2 + q6 + q7 * 6, 4);
*oq6 = ROUND_POWER_OF_TWO(
p0 + q0 + q1 + q2 + q3 + q4 + q5 + q6 * 2 + q7 * 7, 4);
} else {
highbd_filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3,
bd);
}
}
static void highbd_mb_lpf_horizontal_edge_w(uint16_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh, int count,
int bd) {
int i;
// loop filter designed to work using chars so that we can make maximum use
// of 8 bit simd instructions.
for (i = 0; i < 8 * count; ++i) {
const uint16_t p3 = s[-4 * p];
const uint16_t p2 = s[-3 * p];
const uint16_t p1 = s[-2 * p];
const uint16_t p0 = s[-p];
const uint16_t q0 = s[0 * p];
const uint16_t q1 = s[1 * p];
const uint16_t q2 = s[2 * p];
const uint16_t q3 = s[3 * p];
const int8_t mask =
highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
const int8_t flat =
highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
const int8_t flat2 =
highbd_flat_mask5(1, s[-8 * p], s[-7 * p], s[-6 * p], s[-5 * p], p0, q0,
s[4 * p], s[5 * p], s[6 * p], s[7 * p], bd);
highbd_filter16(mask, *thresh, 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, bd);
++s;
}
}
void aom_highbd_lpf_horizontal_edge_8_c(uint16_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh, int bd) {
highbd_mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 1, bd);
}
void aom_highbd_lpf_horizontal_edge_16_c(uint16_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh, int bd) {
highbd_mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 2, bd);
}
static void highbd_mb_lpf_vertical_edge_w(uint16_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh, int count,
int bd) {
int i;
for (i = 0; i < count; ++i) {
const uint16_t p3 = s[-4];
const uint16_t p2 = s[-3];
const uint16_t p1 = s[-2];
const uint16_t p0 = s[-1];
const uint16_t q0 = s[0];
const uint16_t q1 = s[1];
const uint16_t q2 = s[2];
const uint16_t q3 = s[3];
const int8_t mask =
highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
const int8_t flat =
highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
const int8_t flat2 = highbd_flat_mask5(1, s[-8], s[-7], s[-6], s[-5], p0,
q0, s[4], s[5], s[6], s[7], bd);
highbd_filter16(mask, *thresh, 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, bd);
s += p;
}
}
void aom_highbd_lpf_vertical_16_c(uint16_t *s, int p, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh,
int bd) {
highbd_mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 8, bd);
}
void aom_highbd_lpf_vertical_16_dual_c(uint16_t *s, int p,
const uint8_t *blimit,
const uint8_t *limit,
const uint8_t *thresh, int bd) {
highbd_mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 16, bd);
}
#endif // CONFIG_AOM_HIGHBITDEPTH
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