• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include <stdlib.h>
12 
13 #include "./vpx_config.h"
14 #include "./vpx_dsp_rtcd.h"
15 #include "vpx_dsp/vpx_dsp_common.h"
16 #include "vpx_ports/mem.h"
17 
signed_char_clamp(int t)18 static INLINE int8_t signed_char_clamp(int t) {
19   return (int8_t)clamp(t, -128, 127);
20 }
21 
22 #if CONFIG_VP9_HIGHBITDEPTH
signed_char_clamp_high(int t,int bd)23 static INLINE int16_t signed_char_clamp_high(int t, int bd) {
24   switch (bd) {
25     case 10: return (int16_t)clamp(t, -128 * 4, 128 * 4 - 1);
26     case 12: return (int16_t)clamp(t, -128 * 16, 128 * 16 - 1);
27     case 8:
28     default: return (int16_t)clamp(t, -128, 128 - 1);
29   }
30 }
31 #endif
32 
33 // Should we apply any filter at all: 11111111 yes, 00000000 no
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)34 static INLINE int8_t filter_mask(uint8_t limit, uint8_t blimit, uint8_t p3,
35                                  uint8_t p2, uint8_t p1, uint8_t p0, uint8_t q0,
36                                  uint8_t q1, uint8_t q2, uint8_t q3) {
37   int8_t mask = 0;
38   mask |= (abs(p3 - p2) > limit) * -1;
39   mask |= (abs(p2 - p1) > limit) * -1;
40   mask |= (abs(p1 - p0) > limit) * -1;
41   mask |= (abs(q1 - q0) > limit) * -1;
42   mask |= (abs(q2 - q1) > limit) * -1;
43   mask |= (abs(q3 - q2) > limit) * -1;
44   mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
45   return ~mask;
46 }
47 
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)48 static INLINE int8_t flat_mask4(uint8_t thresh, uint8_t p3, uint8_t p2,
49                                 uint8_t p1, uint8_t p0, uint8_t q0, uint8_t q1,
50                                 uint8_t q2, uint8_t q3) {
51   int8_t mask = 0;
52   mask |= (abs(p1 - p0) > thresh) * -1;
53   mask |= (abs(q1 - q0) > thresh) * -1;
54   mask |= (abs(p2 - p0) > thresh) * -1;
55   mask |= (abs(q2 - q0) > thresh) * -1;
56   mask |= (abs(p3 - p0) > thresh) * -1;
57   mask |= (abs(q3 - q0) > thresh) * -1;
58   return ~mask;
59 }
60 
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)61 static INLINE int8_t flat_mask5(uint8_t thresh, uint8_t p4, uint8_t p3,
62                                 uint8_t p2, uint8_t p1, uint8_t p0, uint8_t q0,
63                                 uint8_t q1, uint8_t q2, uint8_t q3,
64                                 uint8_t q4) {
65   int8_t mask = ~flat_mask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3);
66   mask |= (abs(p4 - p0) > thresh) * -1;
67   mask |= (abs(q4 - q0) > thresh) * -1;
68   return ~mask;
69 }
70 
71 // Is there high edge variance internal edge: 11111111 yes, 00000000 no
hev_mask(uint8_t thresh,uint8_t p1,uint8_t p0,uint8_t q0,uint8_t q1)72 static INLINE int8_t hev_mask(uint8_t thresh, uint8_t p1, uint8_t p0,
73                               uint8_t q0, uint8_t q1) {
74   int8_t hev = 0;
75   hev |= (abs(p1 - p0) > thresh) * -1;
76   hev |= (abs(q1 - q0) > thresh) * -1;
77   return hev;
78 }
79 
filter4(int8_t mask,uint8_t thresh,uint8_t * op1,uint8_t * op0,uint8_t * oq0,uint8_t * oq1)80 static INLINE void filter4(int8_t mask, uint8_t thresh, uint8_t *op1,
81                            uint8_t *op0, uint8_t *oq0, uint8_t *oq1) {
82   int8_t filter1, filter2;
83 
84   const int8_t ps1 = (int8_t)*op1 ^ 0x80;
85   const int8_t ps0 = (int8_t)*op0 ^ 0x80;
86   const int8_t qs0 = (int8_t)*oq0 ^ 0x80;
87   const int8_t qs1 = (int8_t)*oq1 ^ 0x80;
88   const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1);
89 
90   // add outer taps if we have high edge variance
91   int8_t filter = signed_char_clamp(ps1 - qs1) & hev;
92 
93   // inner taps
94   filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask;
95 
96   // save bottom 3 bits so that we round one side +4 and the other +3
97   // if it equals 4 we'll set it to adjust by -1 to account for the fact
98   // we'd round it by 3 the other way
99   filter1 = signed_char_clamp(filter + 4) >> 3;
100   filter2 = signed_char_clamp(filter + 3) >> 3;
101 
102   *oq0 = signed_char_clamp(qs0 - filter1) ^ 0x80;
103   *op0 = signed_char_clamp(ps0 + filter2) ^ 0x80;
104 
105   // outer tap adjustments
106   filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev;
107 
108   *oq1 = signed_char_clamp(qs1 - filter) ^ 0x80;
109   *op1 = signed_char_clamp(ps1 + filter) ^ 0x80;
110 }
111 
vpx_lpf_horizontal_4_c(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)112 void vpx_lpf_horizontal_4_c(uint8_t *s, int p /* pitch */,
113                             const uint8_t *blimit, const uint8_t *limit,
114                             const uint8_t *thresh) {
115   int i;
116 
117   // loop filter designed to work using chars so that we can make maximum use
118   // of 8 bit simd instructions.
119   for (i = 0; i < 8; ++i) {
120     const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
121     const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
122     const int8_t mask =
123         filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
124     filter4(mask, *thresh, s - 2 * p, s - 1 * p, s, s + 1 * p);
125     ++s;
126   }
127 }
128 
vpx_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)129 void vpx_lpf_horizontal_4_dual_c(uint8_t *s, int p, const uint8_t *blimit0,
130                                  const uint8_t *limit0, const uint8_t *thresh0,
131                                  const uint8_t *blimit1, const uint8_t *limit1,
132                                  const uint8_t *thresh1) {
133   vpx_lpf_horizontal_4_c(s, p, blimit0, limit0, thresh0);
134   vpx_lpf_horizontal_4_c(s + 8, p, blimit1, limit1, thresh1);
135 }
136 
vpx_lpf_vertical_4_c(uint8_t * s,int pitch,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)137 void vpx_lpf_vertical_4_c(uint8_t *s, int pitch, const uint8_t *blimit,
138                           const uint8_t *limit, const uint8_t *thresh) {
139   int i;
140 
141   // loop filter designed to work using chars so that we can make maximum use
142   // of 8 bit simd instructions.
143   for (i = 0; i < 8; ++i) {
144     const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
145     const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
146     const int8_t mask =
147         filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
148     filter4(mask, *thresh, s - 2, s - 1, s, s + 1);
149     s += pitch;
150   }
151 }
152 
vpx_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)153 void vpx_lpf_vertical_4_dual_c(uint8_t *s, int pitch, const uint8_t *blimit0,
154                                const uint8_t *limit0, const uint8_t *thresh0,
155                                const uint8_t *blimit1, const uint8_t *limit1,
156                                const uint8_t *thresh1) {
157   vpx_lpf_vertical_4_c(s, pitch, blimit0, limit0, thresh0);
158   vpx_lpf_vertical_4_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1);
159 }
160 
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)161 static INLINE void filter8(int8_t mask, uint8_t thresh, uint8_t flat,
162                            uint8_t *op3, uint8_t *op2, uint8_t *op1,
163                            uint8_t *op0, uint8_t *oq0, uint8_t *oq1,
164                            uint8_t *oq2, uint8_t *oq3) {
165   if (flat && mask) {
166     const uint8_t p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
167     const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3;
168 
169     // 7-tap filter [1, 1, 1, 2, 1, 1, 1]
170     *op2 = ROUND_POWER_OF_TWO(p3 + p3 + p3 + 2 * p2 + p1 + p0 + q0, 3);
171     *op1 = ROUND_POWER_OF_TWO(p3 + p3 + p2 + 2 * p1 + p0 + q0 + q1, 3);
172     *op0 = ROUND_POWER_OF_TWO(p3 + p2 + p1 + 2 * p0 + q0 + q1 + q2, 3);
173     *oq0 = ROUND_POWER_OF_TWO(p2 + p1 + p0 + 2 * q0 + q1 + q2 + q3, 3);
174     *oq1 = ROUND_POWER_OF_TWO(p1 + p0 + q0 + 2 * q1 + q2 + q3 + q3, 3);
175     *oq2 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + 2 * q2 + q3 + q3 + q3, 3);
176   } else {
177     filter4(mask, thresh, op1, op0, oq0, oq1);
178   }
179 }
180 
vpx_lpf_horizontal_8_c(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)181 void vpx_lpf_horizontal_8_c(uint8_t *s, int p, const uint8_t *blimit,
182                             const uint8_t *limit, const uint8_t *thresh) {
183   int i;
184 
185   // loop filter designed to work using chars so that we can make maximum use
186   // of 8 bit simd instructions.
187   for (i = 0; i < 8; ++i) {
188     const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
189     const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
190 
191     const int8_t mask =
192         filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
193     const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
194     filter8(mask, *thresh, flat, s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p, s,
195             s + 1 * p, s + 2 * p, s + 3 * p);
196     ++s;
197   }
198 }
199 
vpx_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)200 void vpx_lpf_horizontal_8_dual_c(uint8_t *s, int p, const uint8_t *blimit0,
201                                  const uint8_t *limit0, const uint8_t *thresh0,
202                                  const uint8_t *blimit1, const uint8_t *limit1,
203                                  const uint8_t *thresh1) {
204   vpx_lpf_horizontal_8_c(s, p, blimit0, limit0, thresh0);
205   vpx_lpf_horizontal_8_c(s + 8, p, blimit1, limit1, thresh1);
206 }
207 
vpx_lpf_vertical_8_c(uint8_t * s,int pitch,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)208 void vpx_lpf_vertical_8_c(uint8_t *s, int pitch, const uint8_t *blimit,
209                           const uint8_t *limit, const uint8_t *thresh) {
210   int i;
211 
212   for (i = 0; i < 8; ++i) {
213     const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
214     const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
215     const int8_t mask =
216         filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
217     const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
218     filter8(mask, *thresh, flat, s - 4, s - 3, s - 2, s - 1, s, s + 1, s + 2,
219             s + 3);
220     s += pitch;
221   }
222 }
223 
vpx_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)224 void vpx_lpf_vertical_8_dual_c(uint8_t *s, int pitch, const uint8_t *blimit0,
225                                const uint8_t *limit0, const uint8_t *thresh0,
226                                const uint8_t *blimit1, const uint8_t *limit1,
227                                const uint8_t *thresh1) {
228   vpx_lpf_vertical_8_c(s, pitch, blimit0, limit0, thresh0);
229   vpx_lpf_vertical_8_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1);
230 }
231 
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)232 static INLINE void filter16(int8_t mask, uint8_t thresh, uint8_t flat,
233                             uint8_t flat2, uint8_t *op7, uint8_t *op6,
234                             uint8_t *op5, uint8_t *op4, uint8_t *op3,
235                             uint8_t *op2, uint8_t *op1, uint8_t *op0,
236                             uint8_t *oq0, uint8_t *oq1, uint8_t *oq2,
237                             uint8_t *oq3, uint8_t *oq4, uint8_t *oq5,
238                             uint8_t *oq6, uint8_t *oq7) {
239   if (flat2 && flat && mask) {
240     const uint8_t p7 = *op7, p6 = *op6, p5 = *op5, p4 = *op4, p3 = *op3,
241                   p2 = *op2, p1 = *op1, p0 = *op0;
242 
243     const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3, q4 = *oq4,
244                   q5 = *oq5, q6 = *oq6, q7 = *oq7;
245 
246     // 15-tap filter [1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]
247     *op6 = ROUND_POWER_OF_TWO(
248         p7 * 7 + p6 * 2 + p5 + p4 + p3 + p2 + p1 + p0 + q0, 4);
249     *op5 = ROUND_POWER_OF_TWO(
250         p7 * 6 + p6 + p5 * 2 + p4 + p3 + p2 + p1 + p0 + q0 + q1, 4);
251     *op4 = ROUND_POWER_OF_TWO(
252         p7 * 5 + p6 + p5 + p4 * 2 + p3 + p2 + p1 + p0 + q0 + q1 + q2, 4);
253     *op3 = ROUND_POWER_OF_TWO(
254         p7 * 4 + p6 + p5 + p4 + p3 * 2 + p2 + p1 + p0 + q0 + q1 + q2 + q3, 4);
255     *op2 = ROUND_POWER_OF_TWO(
256         p7 * 3 + p6 + p5 + p4 + p3 + p2 * 2 + p1 + p0 + q0 + q1 + q2 + q3 + q4,
257         4);
258     *op1 = ROUND_POWER_OF_TWO(p7 * 2 + p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 +
259                                   q0 + q1 + q2 + q3 + q4 + q5,
260                               4);
261     *op0 = ROUND_POWER_OF_TWO(p7 + p6 + p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 +
262                                   q1 + q2 + q3 + q4 + q5 + q6,
263                               4);
264     *oq0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 +
265                                   q2 + q3 + q4 + q5 + q6 + q7,
266                               4);
267     *oq1 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 +
268                                   q3 + q4 + q5 + q6 + q7 * 2,
269                               4);
270     *oq2 = ROUND_POWER_OF_TWO(
271         p4 + p3 + p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 + q4 + q5 + q6 + q7 * 3,
272         4);
273     *oq3 = ROUND_POWER_OF_TWO(
274         p3 + p2 + p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 + q5 + q6 + q7 * 4, 4);
275     *oq4 = ROUND_POWER_OF_TWO(
276         p2 + p1 + p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 + q6 + q7 * 5, 4);
277     *oq5 = ROUND_POWER_OF_TWO(
278         p1 + p0 + q0 + q1 + q2 + q3 + q4 + q5 * 2 + q6 + q7 * 6, 4);
279     *oq6 = ROUND_POWER_OF_TWO(
280         p0 + q0 + q1 + q2 + q3 + q4 + q5 + q6 * 2 + q7 * 7, 4);
281   } else {
282     filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3);
283   }
284 }
285 
mb_lpf_horizontal_edge_w(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int count)286 static void mb_lpf_horizontal_edge_w(uint8_t *s, int p, const uint8_t *blimit,
287                                      const uint8_t *limit,
288                                      const uint8_t *thresh, int count) {
289   int i;
290 
291   // loop filter designed to work using chars so that we can make maximum use
292   // of 8 bit simd instructions.
293   for (i = 0; i < 8 * count; ++i) {
294     const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
295     const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
296     const int8_t mask =
297         filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
298     const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
299     const int8_t flat2 =
300         flat_mask5(1, s[-8 * p], s[-7 * p], s[-6 * p], s[-5 * p], p0, q0,
301                    s[4 * p], s[5 * p], s[6 * p], s[7 * p]);
302 
303     filter16(mask, *thresh, flat, flat2, s - 8 * p, s - 7 * p, s - 6 * p,
304              s - 5 * p, s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p, s,
305              s + 1 * p, s + 2 * p, s + 3 * p, s + 4 * p, s + 5 * p, s + 6 * p,
306              s + 7 * p);
307     ++s;
308   }
309 }
310 
vpx_lpf_horizontal_16_c(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)311 void vpx_lpf_horizontal_16_c(uint8_t *s, int p, const uint8_t *blimit,
312                              const uint8_t *limit, const uint8_t *thresh) {
313   mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 1);
314 }
315 
vpx_lpf_horizontal_16_dual_c(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)316 void vpx_lpf_horizontal_16_dual_c(uint8_t *s, int p, const uint8_t *blimit,
317                                   const uint8_t *limit, const uint8_t *thresh) {
318   mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 2);
319 }
320 
mb_lpf_vertical_edge_w(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int count)321 static void mb_lpf_vertical_edge_w(uint8_t *s, int p, const uint8_t *blimit,
322                                    const uint8_t *limit, const uint8_t *thresh,
323                                    int count) {
324   int i;
325 
326   for (i = 0; i < count; ++i) {
327     const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
328     const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
329     const int8_t mask =
330         filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3);
331     const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
332     const int8_t flat2 = flat_mask5(1, s[-8], s[-7], s[-6], s[-5], p0, q0, s[4],
333                                     s[5], s[6], s[7]);
334 
335     filter16(mask, *thresh, flat, flat2, s - 8, s - 7, s - 6, s - 5, s - 4,
336              s - 3, s - 2, s - 1, s, s + 1, s + 2, s + 3, s + 4, s + 5, s + 6,
337              s + 7);
338     s += p;
339   }
340 }
341 
vpx_lpf_vertical_16_c(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)342 void vpx_lpf_vertical_16_c(uint8_t *s, int p, const uint8_t *blimit,
343                            const uint8_t *limit, const uint8_t *thresh) {
344   mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 8);
345 }
346 
vpx_lpf_vertical_16_dual_c(uint8_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh)347 void vpx_lpf_vertical_16_dual_c(uint8_t *s, int p, const uint8_t *blimit,
348                                 const uint8_t *limit, const uint8_t *thresh) {
349   mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 16);
350 }
351 
352 #if CONFIG_VP9_HIGHBITDEPTH
353 // Should we apply any filter at all: 11111111 yes, 00000000 no ?
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)354 static INLINE int8_t highbd_filter_mask(uint8_t limit, uint8_t blimit,
355                                         uint16_t p3, uint16_t p2, uint16_t p1,
356                                         uint16_t p0, uint16_t q0, uint16_t q1,
357                                         uint16_t q2, uint16_t q3, int bd) {
358   int8_t mask = 0;
359   int16_t limit16 = (uint16_t)limit << (bd - 8);
360   int16_t blimit16 = (uint16_t)blimit << (bd - 8);
361   mask |= (abs(p3 - p2) > limit16) * -1;
362   mask |= (abs(p2 - p1) > limit16) * -1;
363   mask |= (abs(p1 - p0) > limit16) * -1;
364   mask |= (abs(q1 - q0) > limit16) * -1;
365   mask |= (abs(q2 - q1) > limit16) * -1;
366   mask |= (abs(q3 - q2) > limit16) * -1;
367   mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit16) * -1;
368   return ~mask;
369 }
370 
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)371 static INLINE int8_t highbd_flat_mask4(uint8_t thresh, uint16_t p3, uint16_t p2,
372                                        uint16_t p1, uint16_t p0, uint16_t q0,
373                                        uint16_t q1, uint16_t q2, uint16_t q3,
374                                        int bd) {
375   int8_t mask = 0;
376   int16_t thresh16 = (uint16_t)thresh << (bd - 8);
377   mask |= (abs(p1 - p0) > thresh16) * -1;
378   mask |= (abs(q1 - q0) > thresh16) * -1;
379   mask |= (abs(p2 - p0) > thresh16) * -1;
380   mask |= (abs(q2 - q0) > thresh16) * -1;
381   mask |= (abs(p3 - p0) > thresh16) * -1;
382   mask |= (abs(q3 - q0) > thresh16) * -1;
383   return ~mask;
384 }
385 
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)386 static INLINE int8_t highbd_flat_mask5(uint8_t thresh, uint16_t p4, uint16_t p3,
387                                        uint16_t p2, uint16_t p1, uint16_t p0,
388                                        uint16_t q0, uint16_t q1, uint16_t q2,
389                                        uint16_t q3, uint16_t q4, int bd) {
390   int8_t mask = ~highbd_flat_mask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3, bd);
391   int16_t thresh16 = (uint16_t)thresh << (bd - 8);
392   mask |= (abs(p4 - p0) > thresh16) * -1;
393   mask |= (abs(q4 - q0) > thresh16) * -1;
394   return ~mask;
395 }
396 
397 // Is there high edge variance internal edge:
398 // 11111111_11111111 yes, 00000000_00000000 no ?
highbd_hev_mask(uint8_t thresh,uint16_t p1,uint16_t p0,uint16_t q0,uint16_t q1,int bd)399 static INLINE int16_t highbd_hev_mask(uint8_t thresh, uint16_t p1, uint16_t p0,
400                                       uint16_t q0, uint16_t q1, int bd) {
401   int16_t hev = 0;
402   int16_t thresh16 = (uint16_t)thresh << (bd - 8);
403   hev |= (abs(p1 - p0) > thresh16) * -1;
404   hev |= (abs(q1 - q0) > thresh16) * -1;
405   return hev;
406 }
407 
highbd_filter4(int8_t mask,uint8_t thresh,uint16_t * op1,uint16_t * op0,uint16_t * oq0,uint16_t * oq1,int bd)408 static INLINE void highbd_filter4(int8_t mask, uint8_t thresh, uint16_t *op1,
409                                   uint16_t *op0, uint16_t *oq0, uint16_t *oq1,
410                                   int bd) {
411   int16_t filter1, filter2;
412   // ^0x80 equivalent to subtracting 0x80 from the values to turn them
413   // into -128 to +127 instead of 0 to 255.
414   int shift = bd - 8;
415   const int16_t ps1 = (int16_t)*op1 - (0x80 << shift);
416   const int16_t ps0 = (int16_t)*op0 - (0x80 << shift);
417   const int16_t qs0 = (int16_t)*oq0 - (0x80 << shift);
418   const int16_t qs1 = (int16_t)*oq1 - (0x80 << shift);
419   const uint16_t hev = highbd_hev_mask(thresh, *op1, *op0, *oq0, *oq1, bd);
420 
421   // Add outer taps if we have high edge variance.
422   int16_t filter = signed_char_clamp_high(ps1 - qs1, bd) & hev;
423 
424   // Inner taps.
425   filter = signed_char_clamp_high(filter + 3 * (qs0 - ps0), bd) & mask;
426 
427   // Save bottom 3 bits so that we round one side +4 and the other +3
428   // if it equals 4 we'll set it to adjust by -1 to account for the fact
429   // we'd round it by 3 the other way.
430   filter1 = signed_char_clamp_high(filter + 4, bd) >> 3;
431   filter2 = signed_char_clamp_high(filter + 3, bd) >> 3;
432 
433   *oq0 = signed_char_clamp_high(qs0 - filter1, bd) + (0x80 << shift);
434   *op0 = signed_char_clamp_high(ps0 + filter2, bd) + (0x80 << shift);
435 
436   // Outer tap adjustments.
437   filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev;
438 
439   *oq1 = signed_char_clamp_high(qs1 - filter, bd) + (0x80 << shift);
440   *op1 = signed_char_clamp_high(ps1 + filter, bd) + (0x80 << shift);
441 }
442 
vpx_highbd_lpf_horizontal_4_c(uint16_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)443 void vpx_highbd_lpf_horizontal_4_c(uint16_t *s, int p /* pitch */,
444                                    const uint8_t *blimit, const uint8_t *limit,
445                                    const uint8_t *thresh, int bd) {
446   int i;
447 
448   // loop filter designed to work using chars so that we can make maximum use
449   // of 8 bit simd instructions.
450   for (i = 0; i < 8; ++i) {
451     const uint16_t p3 = s[-4 * p];
452     const uint16_t p2 = s[-3 * p];
453     const uint16_t p1 = s[-2 * p];
454     const uint16_t p0 = s[-p];
455     const uint16_t q0 = s[0 * p];
456     const uint16_t q1 = s[1 * p];
457     const uint16_t q2 = s[2 * p];
458     const uint16_t q3 = s[3 * p];
459     const int8_t mask =
460         highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
461     highbd_filter4(mask, *thresh, s - 2 * p, s - 1 * p, s, s + 1 * p, bd);
462     ++s;
463   }
464 }
465 
vpx_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)466 void vpx_highbd_lpf_horizontal_4_dual_c(
467     uint16_t *s, int p, const uint8_t *blimit0, const uint8_t *limit0,
468     const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
469     const uint8_t *thresh1, int bd) {
470   vpx_highbd_lpf_horizontal_4_c(s, p, blimit0, limit0, thresh0, bd);
471   vpx_highbd_lpf_horizontal_4_c(s + 8, p, blimit1, limit1, thresh1, bd);
472 }
473 
vpx_highbd_lpf_vertical_4_c(uint16_t * s,int pitch,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)474 void vpx_highbd_lpf_vertical_4_c(uint16_t *s, int pitch, const uint8_t *blimit,
475                                  const uint8_t *limit, const uint8_t *thresh,
476                                  int bd) {
477   int i;
478 
479   // loop filter designed to work using chars so that we can make maximum use
480   // of 8 bit simd instructions.
481   for (i = 0; i < 8; ++i) {
482     const uint16_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
483     const uint16_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
484     const int8_t mask =
485         highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
486     highbd_filter4(mask, *thresh, s - 2, s - 1, s, s + 1, bd);
487     s += pitch;
488   }
489 }
490 
vpx_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)491 void vpx_highbd_lpf_vertical_4_dual_c(
492     uint16_t *s, int pitch, const uint8_t *blimit0, const uint8_t *limit0,
493     const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
494     const uint8_t *thresh1, int bd) {
495   vpx_highbd_lpf_vertical_4_c(s, pitch, blimit0, limit0, thresh0, bd);
496   vpx_highbd_lpf_vertical_4_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1,
497                               bd);
498 }
499 
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)500 static INLINE void highbd_filter8(int8_t mask, uint8_t thresh, uint8_t flat,
501                                   uint16_t *op3, uint16_t *op2, uint16_t *op1,
502                                   uint16_t *op0, uint16_t *oq0, uint16_t *oq1,
503                                   uint16_t *oq2, uint16_t *oq3, int bd) {
504   if (flat && mask) {
505     const uint16_t p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
506     const uint16_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3;
507 
508     // 7-tap filter [1, 1, 1, 2, 1, 1, 1]
509     *op2 = ROUND_POWER_OF_TWO(p3 + p3 + p3 + 2 * p2 + p1 + p0 + q0, 3);
510     *op1 = ROUND_POWER_OF_TWO(p3 + p3 + p2 + 2 * p1 + p0 + q0 + q1, 3);
511     *op0 = ROUND_POWER_OF_TWO(p3 + p2 + p1 + 2 * p0 + q0 + q1 + q2, 3);
512     *oq0 = ROUND_POWER_OF_TWO(p2 + p1 + p0 + 2 * q0 + q1 + q2 + q3, 3);
513     *oq1 = ROUND_POWER_OF_TWO(p1 + p0 + q0 + 2 * q1 + q2 + q3 + q3, 3);
514     *oq2 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + 2 * q2 + q3 + q3 + q3, 3);
515   } else {
516     highbd_filter4(mask, thresh, op1, op0, oq0, oq1, bd);
517   }
518 }
519 
vpx_highbd_lpf_horizontal_8_c(uint16_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)520 void vpx_highbd_lpf_horizontal_8_c(uint16_t *s, int p, const uint8_t *blimit,
521                                    const uint8_t *limit, const uint8_t *thresh,
522                                    int bd) {
523   int i;
524 
525   // loop filter designed to work using chars so that we can make maximum use
526   // of 8 bit simd instructions.
527   for (i = 0; i < 8; ++i) {
528     const uint16_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
529     const uint16_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
530 
531     const int8_t mask =
532         highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
533     const int8_t flat =
534         highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
535     highbd_filter8(mask, *thresh, flat, s - 4 * p, s - 3 * p, s - 2 * p,
536                    s - 1 * p, s, s + 1 * p, s + 2 * p, s + 3 * p, bd);
537     ++s;
538   }
539 }
540 
vpx_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)541 void vpx_highbd_lpf_horizontal_8_dual_c(
542     uint16_t *s, int p, const uint8_t *blimit0, const uint8_t *limit0,
543     const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
544     const uint8_t *thresh1, int bd) {
545   vpx_highbd_lpf_horizontal_8_c(s, p, blimit0, limit0, thresh0, bd);
546   vpx_highbd_lpf_horizontal_8_c(s + 8, p, blimit1, limit1, thresh1, bd);
547 }
548 
vpx_highbd_lpf_vertical_8_c(uint16_t * s,int pitch,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)549 void vpx_highbd_lpf_vertical_8_c(uint16_t *s, int pitch, const uint8_t *blimit,
550                                  const uint8_t *limit, const uint8_t *thresh,
551                                  int bd) {
552   int i;
553 
554   for (i = 0; i < 8; ++i) {
555     const uint16_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
556     const uint16_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
557     const int8_t mask =
558         highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
559     const int8_t flat =
560         highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
561     highbd_filter8(mask, *thresh, flat, s - 4, s - 3, s - 2, s - 1, s, s + 1,
562                    s + 2, s + 3, bd);
563     s += pitch;
564   }
565 }
566 
vpx_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)567 void vpx_highbd_lpf_vertical_8_dual_c(
568     uint16_t *s, int pitch, const uint8_t *blimit0, const uint8_t *limit0,
569     const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
570     const uint8_t *thresh1, int bd) {
571   vpx_highbd_lpf_vertical_8_c(s, pitch, blimit0, limit0, thresh0, bd);
572   vpx_highbd_lpf_vertical_8_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1,
573                               bd);
574 }
575 
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)576 static INLINE void highbd_filter16(int8_t mask, uint8_t thresh, uint8_t flat,
577                                    uint8_t flat2, uint16_t *op7, uint16_t *op6,
578                                    uint16_t *op5, uint16_t *op4, uint16_t *op3,
579                                    uint16_t *op2, uint16_t *op1, uint16_t *op0,
580                                    uint16_t *oq0, uint16_t *oq1, uint16_t *oq2,
581                                    uint16_t *oq3, uint16_t *oq4, uint16_t *oq5,
582                                    uint16_t *oq6, uint16_t *oq7, int bd) {
583   if (flat2 && flat && mask) {
584     const uint16_t p7 = *op7;
585     const uint16_t p6 = *op6;
586     const uint16_t p5 = *op5;
587     const uint16_t p4 = *op4;
588     const uint16_t p3 = *op3;
589     const uint16_t p2 = *op2;
590     const uint16_t p1 = *op1;
591     const uint16_t p0 = *op0;
592     const uint16_t q0 = *oq0;
593     const uint16_t q1 = *oq1;
594     const uint16_t q2 = *oq2;
595     const uint16_t q3 = *oq3;
596     const uint16_t q4 = *oq4;
597     const uint16_t q5 = *oq5;
598     const uint16_t q6 = *oq6;
599     const uint16_t q7 = *oq7;
600 
601     // 15-tap filter [1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]
602     *op6 = ROUND_POWER_OF_TWO(
603         p7 * 7 + p6 * 2 + p5 + p4 + p3 + p2 + p1 + p0 + q0, 4);
604     *op5 = ROUND_POWER_OF_TWO(
605         p7 * 6 + p6 + p5 * 2 + p4 + p3 + p2 + p1 + p0 + q0 + q1, 4);
606     *op4 = ROUND_POWER_OF_TWO(
607         p7 * 5 + p6 + p5 + p4 * 2 + p3 + p2 + p1 + p0 + q0 + q1 + q2, 4);
608     *op3 = ROUND_POWER_OF_TWO(
609         p7 * 4 + p6 + p5 + p4 + p3 * 2 + p2 + p1 + p0 + q0 + q1 + q2 + q3, 4);
610     *op2 = ROUND_POWER_OF_TWO(
611         p7 * 3 + p6 + p5 + p4 + p3 + p2 * 2 + p1 + p0 + q0 + q1 + q2 + q3 + q4,
612         4);
613     *op1 = ROUND_POWER_OF_TWO(p7 * 2 + p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 +
614                                   q0 + q1 + q2 + q3 + q4 + q5,
615                               4);
616     *op0 = ROUND_POWER_OF_TWO(p7 + p6 + p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 +
617                                   q1 + q2 + q3 + q4 + q5 + q6,
618                               4);
619     *oq0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 +
620                                   q2 + q3 + q4 + q5 + q6 + q7,
621                               4);
622     *oq1 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 +
623                                   q3 + q4 + q5 + q6 + q7 * 2,
624                               4);
625     *oq2 = ROUND_POWER_OF_TWO(
626         p4 + p3 + p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 + q4 + q5 + q6 + q7 * 3,
627         4);
628     *oq3 = ROUND_POWER_OF_TWO(
629         p3 + p2 + p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 + q5 + q6 + q7 * 4, 4);
630     *oq4 = ROUND_POWER_OF_TWO(
631         p2 + p1 + p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 + q6 + q7 * 5, 4);
632     *oq5 = ROUND_POWER_OF_TWO(
633         p1 + p0 + q0 + q1 + q2 + q3 + q4 + q5 * 2 + q6 + q7 * 6, 4);
634     *oq6 = ROUND_POWER_OF_TWO(
635         p0 + q0 + q1 + q2 + q3 + q4 + q5 + q6 * 2 + q7 * 7, 4);
636   } else {
637     highbd_filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3,
638                    bd);
639   }
640 }
641 
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)642 static void highbd_mb_lpf_horizontal_edge_w(uint16_t *s, int p,
643                                             const uint8_t *blimit,
644                                             const uint8_t *limit,
645                                             const uint8_t *thresh, int count,
646                                             int bd) {
647   int i;
648 
649   // loop filter designed to work using chars so that we can make maximum use
650   // of 8 bit simd instructions.
651   for (i = 0; i < 8 * count; ++i) {
652     const uint16_t p3 = s[-4 * p];
653     const uint16_t p2 = s[-3 * p];
654     const uint16_t p1 = s[-2 * p];
655     const uint16_t p0 = s[-p];
656     const uint16_t q0 = s[0 * p];
657     const uint16_t q1 = s[1 * p];
658     const uint16_t q2 = s[2 * p];
659     const uint16_t q3 = s[3 * p];
660     const int8_t mask =
661         highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
662     const int8_t flat =
663         highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
664     const int8_t flat2 =
665         highbd_flat_mask5(1, s[-8 * p], s[-7 * p], s[-6 * p], s[-5 * p], p0, q0,
666                           s[4 * p], s[5 * p], s[6 * p], s[7 * p], bd);
667 
668     highbd_filter16(mask, *thresh, flat, flat2, s - 8 * p, s - 7 * p, s - 6 * p,
669                     s - 5 * p, s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p, s,
670                     s + 1 * p, s + 2 * p, s + 3 * p, s + 4 * p, s + 5 * p,
671                     s + 6 * p, s + 7 * p, bd);
672     ++s;
673   }
674 }
675 
vpx_highbd_lpf_horizontal_16_c(uint16_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)676 void vpx_highbd_lpf_horizontal_16_c(uint16_t *s, int p, const uint8_t *blimit,
677                                     const uint8_t *limit, const uint8_t *thresh,
678                                     int bd) {
679   highbd_mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 1, bd);
680 }
681 
vpx_highbd_lpf_horizontal_16_dual_c(uint16_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)682 void vpx_highbd_lpf_horizontal_16_dual_c(uint16_t *s, int p,
683                                          const uint8_t *blimit,
684                                          const uint8_t *limit,
685                                          const uint8_t *thresh, int bd) {
686   highbd_mb_lpf_horizontal_edge_w(s, p, blimit, limit, thresh, 2, bd);
687 }
688 
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)689 static void highbd_mb_lpf_vertical_edge_w(uint16_t *s, int p,
690                                           const uint8_t *blimit,
691                                           const uint8_t *limit,
692                                           const uint8_t *thresh, int count,
693                                           int bd) {
694   int i;
695 
696   for (i = 0; i < count; ++i) {
697     const uint16_t p3 = s[-4];
698     const uint16_t p2 = s[-3];
699     const uint16_t p1 = s[-2];
700     const uint16_t p0 = s[-1];
701     const uint16_t q0 = s[0];
702     const uint16_t q1 = s[1];
703     const uint16_t q2 = s[2];
704     const uint16_t q3 = s[3];
705     const int8_t mask =
706         highbd_filter_mask(*limit, *blimit, p3, p2, p1, p0, q0, q1, q2, q3, bd);
707     const int8_t flat =
708         highbd_flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3, bd);
709     const int8_t flat2 = highbd_flat_mask5(1, s[-8], s[-7], s[-6], s[-5], p0,
710                                            q0, s[4], s[5], s[6], s[7], bd);
711 
712     highbd_filter16(mask, *thresh, flat, flat2, s - 8, s - 7, s - 6, s - 5,
713                     s - 4, s - 3, s - 2, s - 1, s, s + 1, s + 2, s + 3, s + 4,
714                     s + 5, s + 6, s + 7, bd);
715     s += p;
716   }
717 }
718 
vpx_highbd_lpf_vertical_16_c(uint16_t * s,int p,const uint8_t * blimit,const uint8_t * limit,const uint8_t * thresh,int bd)719 void vpx_highbd_lpf_vertical_16_c(uint16_t *s, int p, const uint8_t *blimit,
720                                   const uint8_t *limit, const uint8_t *thresh,
721                                   int bd) {
722   highbd_mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 8, bd);
723 }
724 
vpx_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)725 void vpx_highbd_lpf_vertical_16_dual_c(uint16_t *s, int p,
726                                        const uint8_t *blimit,
727                                        const uint8_t *limit,
728                                        const uint8_t *thresh, int bd) {
729   highbd_mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 16, bd);
730 }
731 #endif  // CONFIG_VP9_HIGHBITDEPTH
732