1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
|
/*
* 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 "./vp9_rtcd.h"
#include "./vpx_dsp_rtcd.h"
#include "vpx_ports/mem.h"
#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_filter.h"
#include "vp9/encoder/vp9_variance.h"
// Applies a 1-D 2-tap bi-linear filter to the source block in either horizontal
// or vertical direction to produce the filtered output block. Used to implement
// first-pass of 2-D separable filter.
//
// Produces int32_t output to retain precision for next pass. Two filter taps
// should sum to VP9_FILTER_WEIGHT. pixel_step defines whether the filter is
// applied horizontally (pixel_step=1) or vertically (pixel_step=stride). It
// defines the offset required to move from one input to the next.
static void var_filter_block2d_bil_first_pass(const uint8_t *src_ptr,
uint16_t *output_ptr,
unsigned int src_pixels_per_line,
int pixel_step,
unsigned int output_height,
unsigned int output_width,
const int16_t *vp9_filter) {
unsigned int i, j;
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
output_ptr[j] = ROUND_POWER_OF_TWO((int)src_ptr[0] * vp9_filter[0] +
(int)src_ptr[pixel_step] * vp9_filter[1],
FILTER_BITS);
src_ptr++;
}
// Next row...
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_width;
}
}
// Applies a 1-D 2-tap bi-linear filter to the source block in either horizontal
// or vertical direction to produce the filtered output block. Used to implement
// second-pass of 2-D separable filter.
//
// Requires 32-bit input as produced by filter_block2d_bil_first_pass. Two
// filter taps should sum to VP9_FILTER_WEIGHT. pixel_step defines whether the
// filter is applied horizontally (pixel_step=1) or vertically (pixel_step=
// stride). It defines the offset required to move from one input to the next.
static void var_filter_block2d_bil_second_pass(const uint16_t *src_ptr,
uint8_t *output_ptr,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
const int16_t *vp9_filter) {
unsigned int i, j;
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
output_ptr[j] = ROUND_POWER_OF_TWO((int)src_ptr[0] * vp9_filter[0] +
(int)src_ptr[pixel_step] * vp9_filter[1],
FILTER_BITS);
src_ptr++;
}
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_width;
}
}
#define SUBPIX_VAR(W, H) \
unsigned int vp9_sub_pixel_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse) { \
uint16_t fdata3[(H + 1) * W]; \
uint8_t temp2[H * W]; \
\
var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, W, \
BILINEAR_FILTERS_2TAP(xoffset)); \
var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
return vpx_variance##W##x##H##_c(temp2, W, dst, dst_stride, sse); \
}
#define SUBPIX_AVG_VAR(W, H) \
unsigned int vp9_sub_pixel_avg_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse, \
const uint8_t *second_pred) { \
uint16_t fdata3[(H + 1) * W]; \
uint8_t temp2[H * W]; \
DECLARE_ALIGNED(16, uint8_t, temp3[H * W]); \
\
var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, W, \
BILINEAR_FILTERS_2TAP(xoffset)); \
var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
vpx_comp_avg_pred(temp3, second_pred, W, H, temp2, W); \
\
return vpx_variance##W##x##H##_c(temp3, W, dst, dst_stride, sse); \
}
SUBPIX_VAR(4, 4)
SUBPIX_AVG_VAR(4, 4)
SUBPIX_VAR(4, 8)
SUBPIX_AVG_VAR(4, 8)
SUBPIX_VAR(8, 4)
SUBPIX_AVG_VAR(8, 4)
SUBPIX_VAR(8, 8)
SUBPIX_AVG_VAR(8, 8)
SUBPIX_VAR(8, 16)
SUBPIX_AVG_VAR(8, 16)
SUBPIX_VAR(16, 8)
SUBPIX_AVG_VAR(16, 8)
SUBPIX_VAR(16, 16)
SUBPIX_AVG_VAR(16, 16)
SUBPIX_VAR(16, 32)
SUBPIX_AVG_VAR(16, 32)
SUBPIX_VAR(32, 16)
SUBPIX_AVG_VAR(32, 16)
SUBPIX_VAR(32, 32)
SUBPIX_AVG_VAR(32, 32)
SUBPIX_VAR(32, 64)
SUBPIX_AVG_VAR(32, 64)
SUBPIX_VAR(64, 32)
SUBPIX_AVG_VAR(64, 32)
SUBPIX_VAR(64, 64)
SUBPIX_AVG_VAR(64, 64)
#if CONFIG_VP9_HIGHBITDEPTH
static void highbd_var_filter_block2d_bil_first_pass(
const uint8_t *src_ptr8,
uint16_t *output_ptr,
unsigned int src_pixels_per_line,
int pixel_step,
unsigned int output_height,
unsigned int output_width,
const int16_t *vp9_filter) {
unsigned int i, j;
uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src_ptr8);
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
output_ptr[j] =
ROUND_POWER_OF_TWO((int)src_ptr[0] * vp9_filter[0] +
(int)src_ptr[pixel_step] * vp9_filter[1],
FILTER_BITS);
src_ptr++;
}
// Next row...
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_width;
}
}
static void highbd_var_filter_block2d_bil_second_pass(
const uint16_t *src_ptr,
uint16_t *output_ptr,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
const int16_t *vp9_filter) {
unsigned int i, j;
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
output_ptr[j] =
ROUND_POWER_OF_TWO((int)src_ptr[0] * vp9_filter[0] +
(int)src_ptr[pixel_step] * vp9_filter[1],
FILTER_BITS);
src_ptr++;
}
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_width;
}
}
#define HIGHBD_SUBPIX_VAR(W, H) \
unsigned int vp9_highbd_sub_pixel_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse) { \
uint16_t fdata3[(H + 1) * W]; \
uint16_t temp2[H * W]; \
\
highbd_var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, \
W, BILINEAR_FILTERS_2TAP(xoffset)); \
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
return vpx_highbd_8_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, dst, \
dst_stride, sse); \
} \
\
unsigned int vp9_highbd_10_sub_pixel_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse) { \
uint16_t fdata3[(H + 1) * W]; \
uint16_t temp2[H * W]; \
\
highbd_var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, \
W, BILINEAR_FILTERS_2TAP(xoffset)); \
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
return vpx_highbd_10_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), \
W, dst, dst_stride, sse); \
} \
\
unsigned int vp9_highbd_12_sub_pixel_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse) { \
uint16_t fdata3[(H + 1) * W]; \
uint16_t temp2[H * W]; \
\
highbd_var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, \
W, BILINEAR_FILTERS_2TAP(xoffset)); \
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
return vpx_highbd_12_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), \
W, dst, dst_stride, sse); \
}
#define HIGHBD_SUBPIX_AVG_VAR(W, H) \
unsigned int vp9_highbd_sub_pixel_avg_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse, \
const uint8_t *second_pred) { \
uint16_t fdata3[(H + 1) * W]; \
uint16_t temp2[H * W]; \
DECLARE_ALIGNED(16, uint16_t, temp3[H * W]); \
\
highbd_var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, \
W, BILINEAR_FILTERS_2TAP(xoffset)); \
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
vpx_highbd_comp_avg_pred(temp3, second_pred, W, H, \
CONVERT_TO_BYTEPTR(temp2), W); \
\
return vpx_highbd_8_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W, dst, \
dst_stride, sse); \
} \
\
unsigned int vp9_highbd_10_sub_pixel_avg_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse, \
const uint8_t *second_pred) { \
uint16_t fdata3[(H + 1) * W]; \
uint16_t temp2[H * W]; \
DECLARE_ALIGNED(16, uint16_t, temp3[H * W]); \
\
highbd_var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, \
W, BILINEAR_FILTERS_2TAP(xoffset)); \
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
vpx_highbd_comp_avg_pred(temp3, second_pred, W, H, \
CONVERT_TO_BYTEPTR(temp2), W); \
\
return vpx_highbd_10_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), \
W, dst, dst_stride, sse); \
} \
\
unsigned int vp9_highbd_12_sub_pixel_avg_variance##W##x##H##_c( \
const uint8_t *src, int src_stride, \
int xoffset, int yoffset, \
const uint8_t *dst, int dst_stride, \
unsigned int *sse, \
const uint8_t *second_pred) { \
uint16_t fdata3[(H + 1) * W]; \
uint16_t temp2[H * W]; \
DECLARE_ALIGNED(16, uint16_t, temp3[H * W]); \
\
highbd_var_filter_block2d_bil_first_pass(src, fdata3, src_stride, 1, H + 1, \
W, BILINEAR_FILTERS_2TAP(xoffset)); \
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
BILINEAR_FILTERS_2TAP(yoffset)); \
\
vpx_highbd_comp_avg_pred(temp3, second_pred, W, H, \
CONVERT_TO_BYTEPTR(temp2), W); \
\
return vpx_highbd_12_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), \
W, dst, dst_stride, sse); \
}
HIGHBD_SUBPIX_VAR(4, 4)
HIGHBD_SUBPIX_AVG_VAR(4, 4)
HIGHBD_SUBPIX_VAR(4, 8)
HIGHBD_SUBPIX_AVG_VAR(4, 8)
HIGHBD_SUBPIX_VAR(8, 4)
HIGHBD_SUBPIX_AVG_VAR(8, 4)
HIGHBD_SUBPIX_VAR(8, 8)
HIGHBD_SUBPIX_AVG_VAR(8, 8)
HIGHBD_SUBPIX_VAR(8, 16)
HIGHBD_SUBPIX_AVG_VAR(8, 16)
HIGHBD_SUBPIX_VAR(16, 8)
HIGHBD_SUBPIX_AVG_VAR(16, 8)
HIGHBD_SUBPIX_VAR(16, 16)
HIGHBD_SUBPIX_AVG_VAR(16, 16)
HIGHBD_SUBPIX_VAR(16, 32)
HIGHBD_SUBPIX_AVG_VAR(16, 32)
HIGHBD_SUBPIX_VAR(32, 16)
HIGHBD_SUBPIX_AVG_VAR(32, 16)
HIGHBD_SUBPIX_VAR(32, 32)
HIGHBD_SUBPIX_AVG_VAR(32, 32)
HIGHBD_SUBPIX_VAR(32, 64)
HIGHBD_SUBPIX_AVG_VAR(32, 64)
HIGHBD_SUBPIX_VAR(64, 32)
HIGHBD_SUBPIX_AVG_VAR(64, 32)
HIGHBD_SUBPIX_VAR(64, 64)
HIGHBD_SUBPIX_AVG_VAR(64, 64)
#endif // CONFIG_VP9_HIGHBITDEPTH
|
