ref: b34838bea5810f8bbcc1546d8d6b7be10e5dd265
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; mask = ~mask; 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 ps0, qs0; int8_t ps1, qs1; int8_t filter, Filter1, Filter2; int8_t u; ps1 = (int8_t) *op1 ^ 0x80; ps0 = (int8_t) *op0 ^ 0x80; qs0 = (int8_t) *oq0 ^ 0x80; qs1 = (int8_t) *oq1 ^ 0x80; /* add outer taps if we have high edge variance */ filter = signed_char_clamp(ps1 - qs1); filter &= hev; /* inner taps */ filter = signed_char_clamp(filter + 3 * (qs0 - ps0)); filter &= 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); Filter2 = signed_char_clamp(filter + 3); Filter1 >>= 3; Filter2 >>= 3; u = signed_char_clamp(qs0 - Filter1); *oq0 = u ^ 0x80; u = signed_char_clamp(ps0 + Filter2); *op0 = u ^ 0x80; filter = Filter1; /* outer tap adjustments */ filter += 1; filter >>= 1; filter &= ~hev; u = signed_char_clamp(qs1 - filter); *oq1 = u ^ 0x80; u = signed_char_clamp(ps1 + filter); *op1 = u ^ 0x80; } void vp9_loop_filter_horizontal_edge_c(uint8_t *s, int p, /* pitch */ const unsigned char *blimit, const unsigned char *limit, const unsigned char *thresh, int count) { int hev = 0; /* high edge variance */ int8_t mask = 0; int i = 0; /* loop filter designed to work using chars so that we can make maximum use * of 8 bit simd instructions. */ do { 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]); 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 p, const unsigned char *blimit, const unsigned char *limit, const unsigned char *thresh, int count) { int hev = 0; /* high edge variance */ int8_t mask = 0; int i = 0; /* loop filter designed to work using chars so that we can make maximum use * of 8 bit simd instructions. */ do { mask = filter_mask(limit[0], blimit[0], s[-4], s[-3], s[-2], s[-1], s[0], s[1], s[2], s[3]); hev = hevmask(thresh[0], s[-2], s[-1], s[0], s[1]); filter(mask, hev, s - 2, s - 1, s, s + 1); s += p; } while (++i < count * 8); } static __inline signed char flatmask(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(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; flat |= (abs(p4 - p0) > thresh) * -1; flat |= (abs(q4 - q0) > thresh) * -1; flat = ~flat; return flat; } static __inline void mbfilter(int8_t mask, uint8_t hev, uint8_t flat, 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) { /* use a 7 tap filter [1, 1, 1, 2, 1, 1, 1] for flat line */ if (flat && mask) { uint8_t p0, q0; uint8_t p1, q1; uint8_t p2, q2; uint8_t p3, q3; uint8_t p4, q4; p4 = *op4; p3 = *op3; p2 = *op2; p1 = *op1; p0 = *op0; q0 = *oq0; q1 = *oq1; q2 = *oq2; q3 = *oq3; q4 = *oq4; *op2 = (p4 + p4 + p3 + p2 + p2 + p1 + p0 + q0 + 4) >> 3; *op1 = (p4 + 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 + q4 + 4) >> 3; *oq2 = (p0 + q0 + q1 + q2 + q2 + q3 + q4 + q4 + 4) >> 3; } else { int8_t ps0, qs0; int8_t ps1, qs1; int8_t filter, Filter1, Filter2; int8_t u; ps1 = (int8_t) *op1 ^ 0x80; ps0 = (int8_t) *op0 ^ 0x80; qs0 = (int8_t) *oq0 ^ 0x80; qs1 = (int8_t) *oq1 ^ 0x80; /* add outer taps if we have high edge variance */ filter = signed_char_clamp(ps1 - qs1); filter &= hev; /* inner taps */ filter = signed_char_clamp(filter + 3 * (qs0 - ps0)); filter &= mask; Filter1 = signed_char_clamp(filter + 4); Filter2 = signed_char_clamp(filter + 3); Filter1 >>= 3; Filter2 >>= 3; u = signed_char_clamp(qs0 - Filter1); *oq0 = u ^ 0x80; u = signed_char_clamp(ps0 + Filter2); *op0 = u ^ 0x80; filter = Filter1; /* outer tap adjustments */ filter += 1; filter >>= 1; filter &= ~hev; u = signed_char_clamp(qs1 - filter); *oq1 = u ^ 0x80; u = signed_char_clamp(ps1 + filter); *op1 = u ^ 0x80; } } void vp9_mbloop_filter_horizontal_edge_c(uint8_t *s, int p, const unsigned char *blimit, const unsigned char *limit, const unsigned char *thresh, int count) { int8_t hev = 0; /* high edge variance */ int8_t mask = 0; int8_t flat = 0; int i = 0; /* loop filter designed to work using chars so that we can make maximum use * of 8 bit simd instructions. */ do { 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]); hev = hevmask(thresh[0], s[-2 * p], s[-1 * p], s[0 * p], s[1 * p]); flat = flatmask(1, s[-5 * p], s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p], s[ 0 * p], s[ 1 * p], s[ 2 * p], s[ 3 * p], s[ 4 * p]); mbfilter(mask, hev, flat, 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; } while (++i < count * 8); } void vp9_mbloop_filter_vertical_edge_c(uint8_t *s, int p, const unsigned char *blimit, const unsigned char *limit, const unsigned char *thresh, int count) { int8_t hev = 0; /* high edge variance */ int8_t mask = 0; int8_t flat = 0; int i = 0; do { mask = filter_mask(limit[0], blimit[0], s[-4], s[-3], s[-2], s[-1], s[0], s[1], s[2], s[3]); hev = hevmask(thresh[0], s[-2], s[-1], s[0], s[1]); flat = flatmask(1, s[-5], s[-4], s[-3], s[-2], s[-1], s[ 0], s[ 1], s[ 2], s[ 3], s[ 4]); mbfilter(mask, hev, flat, s - 5, s - 4, s - 3, s - 2, s - 1, s, s + 1, s + 2, s + 3, s + 4); s += p; } 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) { /* Why does this cause problems for win32? * error C2143: syntax error : missing ';' before 'type' * (void) limit; */ int8_t mask = (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 <= blimit) * -1; return mask; } static __inline void simple_filter(int8_t mask, uint8_t *op1, uint8_t *op0, uint8_t *oq0, uint8_t *oq1) { int8_t filter, Filter1, Filter2; int8_t p1 = (int8_t) *op1 ^ 0x80; int8_t p0 = (int8_t) *op0 ^ 0x80; int8_t q0 = (int8_t) *oq0 ^ 0x80; int8_t q1 = (int8_t) *oq1 ^ 0x80; int8_t u; 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); Filter1 >>= 3; u = signed_char_clamp(q0 - Filter1); *oq0 = u ^ 0x80; Filter2 = signed_char_clamp(filter + 3); Filter2 >>= 3; u = signed_char_clamp(p0 + Filter2); *op0 = u ^ 0x80; } void vp9_loop_filter_simple_horizontal_edge_c(uint8_t *s, int p, const unsigned char *blimit) { int8_t mask = 0; int i = 0; do { 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 unsigned char *blimit) { int8_t mask = 0; int i = 0; do { 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_ptr, uint8_t *u_ptr, uint8_t *v_ptr, int y_stride, int uv_stride, struct loop_filter_info *lfi) { vp9_mbloop_filter_horizontal_edge_c(y_ptr, y_stride, lfi->mblim, lfi->lim, lfi->hev_thr, 2); if (u_ptr) vp9_mbloop_filter_horizontal_edge_c(u_ptr, uv_stride, lfi->mblim, lfi->lim, lfi->hev_thr, 1); if (v_ptr) vp9_mbloop_filter_horizontal_edge_c(v_ptr, uv_stride, lfi->mblim, lfi->lim, lfi->hev_thr, 1); } /* Horizontal B Filtering */ void vp9_loop_filter_bh_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_horizontal_edge_c(y_ptr + 4 * y_stride, y_stride, lfi->blim, lfi->lim, lfi->hev_thr, 2); vp9_loop_filter_horizontal_edge_c(y_ptr + 8 * y_stride, y_stride, lfi->blim, lfi->lim, lfi->hev_thr, 2); vp9_loop_filter_horizontal_edge_c(y_ptr + 12 * y_stride, y_stride, lfi->blim, lfi->lim, lfi->hev_thr, 2); if (u_ptr) vp9_loop_filter_horizontal_edge_c(u_ptr + 4 * uv_stride, uv_stride, lfi->blim, lfi->lim, lfi->hev_thr, 1); if (v_ptr) vp9_loop_filter_horizontal_edge_c(v_ptr + 4 * uv_stride, uv_stride, lfi->blim, lfi->lim, lfi->hev_thr, 1); } void vp9_loop_filter_bh8x8_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_horizontal_edge_c( y_ptr + 8 * y_stride, y_stride, lfi->blim, lfi->lim, lfi->hev_thr, 2); if (u_ptr) vp9_loop_filter_horizontal_edge_c(u_ptr + 4 * uv_stride, uv_stride, lfi->blim, lfi->lim, lfi->hev_thr, 1); if (v_ptr) vp9_loop_filter_horizontal_edge_c(v_ptr + 4 * uv_stride, uv_stride, lfi->blim, lfi->lim, lfi->hev_thr, 1); } void vp9_loop_filter_bhs_c(uint8_t *y_ptr, int y_stride, const unsigned char *blimit) { vp9_loop_filter_simple_horizontal_edge_c(y_ptr + 4 * y_stride, y_stride, blimit); vp9_loop_filter_simple_horizontal_edge_c(y_ptr + 8 * y_stride, y_stride, blimit); vp9_loop_filter_simple_horizontal_edge_c(y_ptr + 12 * y_stride, y_stride, blimit); } void vp9_loop_filter_bv8x8_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 + 8, 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); } void vp9_loop_filter_bvs_c(uint8_t *y_ptr, int y_stride, const unsigned char *blimit) { vp9_loop_filter_simple_vertical_edge_c(y_ptr + 4, y_stride, blimit); vp9_loop_filter_simple_vertical_edge_c(y_ptr + 8, y_stride, blimit); vp9_loop_filter_simple_vertical_edge_c(y_ptr + 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) { uint8_t p0, q0; uint8_t p1, q1; uint8_t p2, q2; uint8_t p3, q3; uint8_t p4, q4; uint8_t p5, q5; uint8_t p6, q6; uint8_t p7, q7; p7 = *op7; p6 = *op6; p5 = *op5; p4 = *op4; p3 = *op3; p2 = *op2; p1 = *op1; p0 = *op0; q0 = *oq0; q1 = *oq1; q2 = *oq2; q3 = *oq3; q4 = *oq4; q5 = *oq5; q6 = *oq6; 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) { unsigned char p0, q0; unsigned char p1, q1; unsigned char p2, q2; unsigned char p3, q3; unsigned char p4, q4; p4 = *op4; p3 = *op3; p2 = *op2; p1 = *op1; p0 = *op0; q0 = *oq0; q1 = *oq1; q2 = *oq2; q3 = *oq3; q4 = *oq4; *op2 = (p4 + p4 + p3 + p2 + p2 + p1 + p0 + q0 + 4) >> 3; *op1 = (p4 + 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 + q4 + 4) >> 3; *oq2 = (p0 + q0 + q1 + q2 + q2 + q3 + q4 + q4 + 4) >> 3; } else { signed char ps0, qs0; signed char ps1, qs1; signed char filter, Filter1, Filter2; signed char u; ps1 = (signed char) * op1 ^ 0x80; ps0 = (signed char) * op0 ^ 0x80; qs0 = (signed char) * oq0 ^ 0x80; qs1 = (signed char) * oq1 ^ 0x80; /* add outer taps if we have high edge variance */ filter = signed_char_clamp(ps1 - qs1); filter &= hev; /* inner taps */ filter = signed_char_clamp(filter + 3 * (qs0 - ps0)); filter &= mask; Filter1 = signed_char_clamp(filter + 4); Filter2 = signed_char_clamp(filter + 3); Filter1 >>= 3; Filter2 >>= 3; u = signed_char_clamp(qs0 - Filter1); *oq0 = u ^ 0x80; u = signed_char_clamp(ps0 + Filter2); *op0 = u ^ 0x80; filter = Filter1; /* outer tap adjustments */ filter += 1; filter >>= 1; filter &= ~hev; u = signed_char_clamp(qs1 - filter); *oq1 = u ^ 0x80; u = signed_char_clamp(ps1 + filter); *op1 = u ^ 0x80; } } void vp9_mb_lpf_horizontal_edge_w ( unsigned char *s, int p, const unsigned char *blimit, const unsigned char *limit, const unsigned char *thresh, int count ) { signed char hev = 0; /* high edge variance */ signed char mask = 0; signed char flat = 0; signed char flat2 = 0; int i = 0; /* loop filter designed to work using chars so that we can make maximum use * of 8 bit simd instructions. */ do { 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]); hev = hevmask(thresh[0], s[-2 * p], s[-1 * p], s[0 * p], s[1 * p]); flat = flatmask(1, s[-5 * p], s[-4 * p], s[-3 * p], s[-2 * p], s[-1 * p], s[ 0 * p], s[ 1 * p], s[ 2 * p], s[ 3 * p], s[ 4 * p]); flat2 = flatmask(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 ( unsigned char *s, int p, const unsigned char *blimit, const unsigned char *limit, const unsigned char *thresh, int count ) { signed char hev = 0; /* high edge variance */ signed char mask = 0; signed char flat = 0; signed char flat2 = 0; int i = 0; do { mask = filter_mask(limit[0], blimit[0], s[-4], s[-3], s[-2], s[-1], s[0], s[1], s[2], s[3]); hev = hevmask(thresh[0], s[-2], s[-1], s[0], s[1]); flat = flatmask(1, s[-5], s[-4], s[-3], s[-2], s[-1], s[ 0], s[ 1], s[ 2], s[ 3], s[ 4]); flat2 = flatmask(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(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, int y_stride, int uv_stride, struct loop_filter_info *lfi) { vp9_mb_lpf_vertical_edge_w(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); } void vp9_lpf_mbh_w_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, int y_stride, int uv_stride, struct loop_filter_info *lfi) { vp9_mb_lpf_horizontal_edge_w(y_ptr, y_stride, lfi->mblim, lfi->lim, lfi->hev_thr, 2); if (u_ptr) vp9_mbloop_filter_horizontal_edge_c(u_ptr, uv_stride, lfi->mblim, lfi->lim, lfi->hev_thr, 1); if (v_ptr) vp9_mbloop_filter_horizontal_edge_c(v_ptr, uv_stride, lfi->mblim, lfi->lim, lfi->hev_thr, 1); }