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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
commit | 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch) | |
tree | 45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/aom_dsp/loopfilter.c | |
parent | 50f1986697a7412e4160976fa5e11217b4ef1f44 (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/aom_dsp/loopfilter.c')
-rw-r--r-- | third_party/aom/aom_dsp/loopfilter.c | 925 |
1 files changed, 0 insertions, 925 deletions
diff --git a/third_party/aom/aom_dsp/loopfilter.c b/third_party/aom/aom_dsp/loopfilter.c deleted file mode 100644 index a3f261824..000000000 --- a/third_party/aom/aom_dsp/loopfilter.c +++ /dev/null @@ -1,925 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <stdlib.h> - -#include "config/aom_config.h" -#include "config/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); -} - -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); - } -} - -// should we apply any filter at all: 11111111 yes, 00000000 no -static INLINE int8_t filter_mask2(uint8_t limit, uint8_t blimit, uint8_t p1, - uint8_t p0, uint8_t q0, uint8_t q1) { - int8_t mask = 0; - mask |= (abs(p1 - p0) > limit) * -1; - mask |= (abs(q1 - q0) > limit) * -1; - mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; - return ~mask; -} - -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 filter_mask3_chroma(uint8_t limit, uint8_t blimit, - uint8_t p2, uint8_t p1, uint8_t p0, - uint8_t q0, uint8_t q1, uint8_t q2) { - int8_t mask = 0; - 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(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; - return ~mask; -} - -static INLINE int8_t flat_mask3_chroma(uint8_t thresh, uint8_t p2, uint8_t p1, - uint8_t p0, uint8_t q0, uint8_t q1, - uint8_t q2) { - 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; - 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; -} - -// 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; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++i) { - const uint8_t p1 = s[-2 * p], p0 = s[-p]; - const uint8_t q0 = s[0 * p], q1 = s[1 * p]; - const int8_t mask = filter_mask2(*limit, *blimit, p1, p0, q0, q1); - 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 + 4, 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; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++i) { - const uint8_t p1 = s[-2], p0 = s[-1]; - const uint8_t q0 = s[0], q1 = s[1]; - const int8_t mask = filter_mask2(*limit, *blimit, p1, p0, q0, q1); - 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 + 4 * pitch, pitch, blimit1, limit1, thresh1); -} - -static INLINE void filter6(int8_t mask, uint8_t thresh, int8_t flat, - uint8_t *op2, uint8_t *op1, uint8_t *op0, - uint8_t *oq0, uint8_t *oq1, uint8_t *oq2) { - if (flat && mask) { - const uint8_t p2 = *op2, p1 = *op1, p0 = *op0; - const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2; - - // 5-tap filter [1, 2, 2, 2, 1] - *op1 = ROUND_POWER_OF_TWO(p2 * 3 + p1 * 2 + p0 * 2 + q0, 3); - *op0 = ROUND_POWER_OF_TWO(p2 + p1 * 2 + p0 * 2 + q0 * 2 + q1, 3); - *oq0 = ROUND_POWER_OF_TWO(p1 + p0 * 2 + q0 * 2 + q1 * 2 + q2, 3); - *oq1 = ROUND_POWER_OF_TWO(p0 + q0 * 2 + q1 * 2 + q2 * 3, 3); - } else { - filter4(mask, thresh, op1, op0, oq0, oq1); - } -} - -static INLINE void filter8(int8_t mask, uint8_t thresh, int8_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_6_c(uint8_t *s, int p, const uint8_t *blimit, - const uint8_t *limit, const uint8_t *thresh) { - int i; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++i) { - const uint8_t 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]; - - const int8_t mask = - filter_mask3_chroma(*limit, *blimit, p2, p1, p0, q0, q1, q2); - const int8_t flat = flat_mask3_chroma(1, p2, p1, p0, q0, q1, q2); - filter6(mask, *thresh, flat, s - 3 * p, s - 2 * p, s - 1 * p, s, s + 1 * p, - s + 2 * p); - ++s; - } -} - -void aom_lpf_horizontal_6_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_6_c(s, p, blimit0, limit0, thresh0); - aom_lpf_horizontal_6_c(s + 4, p, blimit1, limit1, thresh1); -} - -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; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < 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); - 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 + 4, p, blimit1, limit1, thresh1); -} - -void aom_lpf_vertical_6_c(uint8_t *s, int pitch, const uint8_t *blimit, - const uint8_t *limit, const uint8_t *thresh) { - int i; - int count = 4; - - for (i = 0; i < count; ++i) { - const uint8_t p2 = s[-3], p1 = s[-2], p0 = s[-1]; - const uint8_t q0 = s[0], q1 = s[1], q2 = s[2]; - const int8_t mask = - filter_mask3_chroma(*limit, *blimit, p2, p1, p0, q0, q1, q2); - const int8_t flat = flat_mask3_chroma(1, p2, p1, p0, q0, q1, q2); - filter6(mask, *thresh, flat, s - 3, s - 2, s - 1, s, s + 1, s + 2); - s += pitch; - } -} - -void aom_lpf_vertical_6_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_6_c(s, pitch, blimit0, limit0, thresh0); - aom_lpf_vertical_6_c(s + 4 * pitch, pitch, 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; - int count = 4; - - 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); - 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 + 4 * pitch, pitch, blimit1, limit1, thresh1); -} - -static INLINE void filter14(int8_t mask, uint8_t thresh, int8_t flat, - int8_t flat2, 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) { - if (flat2 && flat && mask) { - const uint8_t 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; - - // 13-tap filter [1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1] - *op5 = ROUND_POWER_OF_TWO(p6 * 7 + p5 * 2 + p4 * 2 + p3 + p2 + p1 + p0 + q0, - 4); - *op4 = ROUND_POWER_OF_TWO( - p6 * 5 + p5 * 2 + p4 * 2 + p3 * 2 + p2 + p1 + p0 + q0 + q1, 4); - *op3 = ROUND_POWER_OF_TWO( - p6 * 4 + p5 + p4 * 2 + p3 * 2 + p2 * 2 + p1 + p0 + q0 + q1 + q2, 4); - *op2 = ROUND_POWER_OF_TWO( - p6 * 3 + p5 + p4 + p3 * 2 + p2 * 2 + p1 * 2 + p0 + q0 + q1 + q2 + q3, - 4); - *op1 = ROUND_POWER_OF_TWO(p6 * 2 + p5 + p4 + p3 + p2 * 2 + p1 * 2 + p0 * 2 + - q0 + q1 + q2 + q3 + q4, - 4); - *op0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 * 2 + - q0 * 2 + q1 + q2 + q3 + q4 + q5, - 4); - *oq0 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 * 2 + - q1 * 2 + q2 + q3 + q4 + q5 + q6, - 4); - *oq1 = ROUND_POWER_OF_TWO(p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 * 2 + - q2 * 2 + q3 + q4 + q5 + q6 * 2, - 4); - *oq2 = ROUND_POWER_OF_TWO( - p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 * 2 + q3 * 2 + q4 + q5 + q6 * 3, - 4); - *oq3 = ROUND_POWER_OF_TWO( - p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 * 2 + q4 * 2 + q5 + q6 * 4, 4); - *oq4 = ROUND_POWER_OF_TWO( - p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 * 2 + q5 * 2 + q6 * 5, 4); - *oq5 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 * 2 + q6 * 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; - int step = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < step * count; ++i) { - const uint8_t p6 = s[-7 * p], p5 = s[-6 * p], p4 = s[-5 * p], - 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], - q4 = s[4 * p], q5 = s[5 * p], q6 = s[6 * 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_mask4(1, p6, p5, p4, p0, q0, q4, q5, q6); - - filter14(mask, *thresh, flat, flat2, 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; - } -} - -void aom_lpf_horizontal_14_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_14_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) { - mb_lpf_horizontal_edge_w(s, p, blimit0, limit0, thresh0, 1); - mb_lpf_horizontal_edge_w(s + 4, p, blimit1, limit1, thresh1, 1); -} - -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 p6 = s[-7], p5 = s[-6], p4 = s[-5], 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], q4 = s[4], - q5 = s[5], q6 = s[6]; - 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_mask4(1, p6, p5, p4, p0, q0, q4, q5, q6); - - filter14(mask, *thresh, flat, flat2, 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 += p; - } -} - -void aom_lpf_vertical_14_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, 4); -} - -void aom_lpf_vertical_14_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) { - mb_lpf_vertical_edge_w(s, pitch, blimit0, limit0, thresh0, 4); - mb_lpf_vertical_edge_w(s + 4 * pitch, pitch, blimit1, limit1, thresh1, 4); -} - -// Should we apply any filter at all: 11111111 yes, 00000000 no ? -static INLINE int8_t highbd_filter_mask2(uint8_t limit, uint8_t blimit, - uint16_t p1, uint16_t p0, uint16_t q0, - uint16_t q1, int bd) { - int8_t mask = 0; - int16_t limit16 = (uint16_t)limit << (bd - 8); - int16_t blimit16 = (uint16_t)blimit << (bd - 8); - mask |= (abs(p1 - p0) > limit16) * -1; - mask |= (abs(q1 - q0) > limit16) * -1; - mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit16) * -1; - return ~mask; -} - -// 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_filter_mask3_chroma(uint8_t limit, uint8_t blimit, - uint16_t p2, uint16_t p1, - uint16_t p0, uint16_t q0, - uint16_t q1, uint16_t q2, - int bd) { - int8_t mask = 0; - int16_t limit16 = (uint16_t)limit << (bd - 8); - int16_t blimit16 = (uint16_t)blimit << (bd - 8); - 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(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit16) * -1; - return ~mask; -} - -static INLINE int8_t highbd_flat_mask3_chroma(uint8_t thresh, uint16_t p2, - uint16_t p1, uint16_t p0, - uint16_t q0, uint16_t q1, - uint16_t q2, 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; - 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; -} - -// 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; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++i) { - 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 int8_t mask = - highbd_filter_mask2(*limit, *blimit, p1, p0, q0, q1, 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 + 4, 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; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++i) { - const uint16_t p1 = s[-2], p0 = s[-1]; - const uint16_t q0 = s[0], q1 = s[1]; - const int8_t mask = - highbd_filter_mask2(*limit, *blimit, p1, p0, q0, q1, 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 + 4 * pitch, pitch, blimit1, limit1, thresh1, - bd); -} - -static INLINE void highbd_filter6(int8_t mask, uint8_t thresh, int8_t flat, - uint16_t *op2, uint16_t *op1, uint16_t *op0, - uint16_t *oq0, uint16_t *oq1, uint16_t *oq2, - int bd) { - if (flat && mask) { - const uint16_t p2 = *op2, p1 = *op1, p0 = *op0; - const uint16_t q0 = *oq0, q1 = *oq1, q2 = *oq2; - - // 5-tap filter [1, 2, 2, 2, 1] - *op1 = ROUND_POWER_OF_TWO(p2 * 3 + p1 * 2 + p0 * 2 + q0, 3); - *op0 = ROUND_POWER_OF_TWO(p2 + p1 * 2 + p0 * 2 + q0 * 2 + q1, 3); - *oq0 = ROUND_POWER_OF_TWO(p1 + p0 * 2 + q0 * 2 + q1 * 2 + q2, 3); - *oq1 = ROUND_POWER_OF_TWO(p0 + q0 * 2 + q1 * 2 + q2 * 3, 3); - } else { - highbd_filter4(mask, thresh, op1, op0, oq0, oq1, bd); - } -} - -static INLINE void highbd_filter8(int8_t mask, uint8_t thresh, int8_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; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++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_6_c(uint16_t *s, int p, const uint8_t *blimit, - const uint8_t *limit, const uint8_t *thresh, - int bd) { - int i; - int count = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < count; ++i) { - const uint16_t 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]; - - const int8_t mask = - highbd_filter_mask3_chroma(*limit, *blimit, p2, p1, p0, q0, q1, q2, bd); - const int8_t flat = highbd_flat_mask3_chroma(1, p2, p1, p0, q0, q1, q2, bd); - highbd_filter6(mask, *thresh, flat, s - 3 * p, s - 2 * p, s - 1 * p, s, - s + 1 * p, s + 2 * p, bd); - ++s; - } -} - -void aom_highbd_lpf_horizontal_6_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_6_c(s, p, blimit0, limit0, thresh0, bd); - aom_highbd_lpf_horizontal_6_c(s + 4, p, blimit1, limit1, thresh1, bd); -} - -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 + 4, p, blimit1, limit1, thresh1, bd); -} - -void aom_highbd_lpf_vertical_6_c(uint16_t *s, int pitch, const uint8_t *blimit, - const uint8_t *limit, const uint8_t *thresh, - int bd) { - int i; - int count = 4; - - for (i = 0; i < count; ++i) { - const uint16_t p2 = s[-3], p1 = s[-2], p0 = s[-1]; - const uint16_t q0 = s[0], q1 = s[1], q2 = s[2]; - const int8_t mask = - highbd_filter_mask3_chroma(*limit, *blimit, p2, p1, p0, q0, q1, q2, bd); - const int8_t flat = highbd_flat_mask3_chroma(1, p2, p1, p0, q0, q1, q2, bd); - highbd_filter6(mask, *thresh, flat, s - 3, s - 2, s - 1, s, s + 1, s + 2, - bd); - s += pitch; - } -} - -void aom_highbd_lpf_vertical_6_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_6_c(s, pitch, blimit0, limit0, thresh0, bd); - aom_highbd_lpf_vertical_6_c(s + 4 * pitch, pitch, 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; - int count = 4; - - for (i = 0; i < count; ++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 + 4 * pitch, pitch, blimit1, limit1, thresh1, - bd); -} - -static INLINE void highbd_filter14(int8_t mask, uint8_t thresh, int8_t flat, - int8_t flat2, 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, - int bd) { - if (flat2 && flat && mask) { - 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; - - // 13-tap filter [1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1] - *op5 = ROUND_POWER_OF_TWO(p6 * 7 + p5 * 2 + p4 * 2 + p3 + p2 + p1 + p0 + q0, - 4); - *op4 = ROUND_POWER_OF_TWO( - p6 * 5 + p5 * 2 + p4 * 2 + p3 * 2 + p2 + p1 + p0 + q0 + q1, 4); - *op3 = ROUND_POWER_OF_TWO( - p6 * 4 + p5 + p4 * 2 + p3 * 2 + p2 * 2 + p1 + p0 + q0 + q1 + q2, 4); - *op2 = ROUND_POWER_OF_TWO( - p6 * 3 + p5 + p4 + p3 * 2 + p2 * 2 + p1 * 2 + p0 + q0 + q1 + q2 + q3, - 4); - *op1 = ROUND_POWER_OF_TWO(p6 * 2 + p5 + p4 + p3 + p2 * 2 + p1 * 2 + p0 * 2 + - q0 + q1 + q2 + q3 + q4, - 4); - *op0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 * 2 + - q0 * 2 + q1 + q2 + q3 + q4 + q5, - 4); - *oq0 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 * 2 + - q1 * 2 + q2 + q3 + q4 + q5 + q6, - 4); - *oq1 = ROUND_POWER_OF_TWO(p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 * 2 + - q2 * 2 + q3 + q4 + q5 + q6 * 2, - 4); - *oq2 = ROUND_POWER_OF_TWO( - p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 * 2 + q3 * 2 + q4 + q5 + q6 * 3, - 4); - *oq3 = ROUND_POWER_OF_TWO( - p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 * 2 + q4 * 2 + q5 + q6 * 4, 4); - *oq4 = ROUND_POWER_OF_TWO( - p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 * 2 + q5 * 2 + q6 * 5, 4); - *oq5 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 * 2 + q6 * 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; - int step = 4; - - // loop filter designed to work using chars so that we can make maximum use - // of 8 bit simd instructions. - for (i = 0; i < step * 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_mask4(1, s[-7 * p], s[-6 * p], s[-5 * p], p0, q0, s[4 * p], - s[5 * p], s[6 * p], bd); - - highbd_filter14(mask, *thresh, flat, flat2, 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, bd); - ++s; - } -} - -void aom_highbd_lpf_horizontal_14_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_14_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) { - highbd_mb_lpf_horizontal_edge_w(s, p, blimit0, limit0, thresh0, 1, bd); - highbd_mb_lpf_horizontal_edge_w(s + 4, p, blimit1, limit1, thresh1, 1, 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_mask4(1, s[-7], s[-6], s[-5], p0, q0, s[4], s[5], s[6], bd); - - highbd_filter14(mask, *thresh, flat, flat2, 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, bd); - s += p; - } -} - -void aom_highbd_lpf_vertical_14_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, 4, bd); -} - -void aom_highbd_lpf_vertical_14_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) { - highbd_mb_lpf_vertical_edge_w(s, pitch, blimit0, limit0, thresh0, 4, bd); - highbd_mb_lpf_vertical_edge_w(s + 4 * pitch, pitch, blimit1, limit1, thresh1, - 4, bd); -} |