Coverage Report

Created: 2022-08-24 06:17

/src/aom/av1/common/av1_inv_txfm1d.c
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Source
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/*
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 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
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 *
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 * This source code is subject to the terms of the BSD 2 Clause License and
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 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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 * was not distributed with this source code in the LICENSE file, you can
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 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
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 * Media Patent License 1.0 was not distributed with this source code in the
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 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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 */
11
12
#include <stdlib.h>
13
#include "av1/common/av1_inv_txfm1d.h"
14
#include "av1/common/av1_txfm.h"
15
16
void av1_idct4(const int32_t *input, int32_t *output, int8_t cos_bit,
17
1.02M
               const int8_t *stage_range) {
18
1.02M
  assert(output != input);
19
1.02M
  const int32_t size = 4;
20
1.02M
  const int32_t *cospi = cospi_arr(cos_bit);
21
22
1.02M
  int32_t stage = 0;
23
1.02M
  int32_t *bf0, *bf1;
24
1.02M
  int32_t step[4];
25
26
  // stage 0;
27
28
  // stage 1;
29
1.02M
  stage++;
30
1.02M
  bf1 = output;
31
1.02M
  bf1[0] = input[0];
32
1.02M
  bf1[1] = input[2];
33
1.02M
  bf1[2] = input[1];
34
1.02M
  bf1[3] = input[3];
35
1.02M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
36
37
  // stage 2
38
1.02M
  stage++;
39
1.02M
  bf0 = output;
40
1.02M
  bf1 = step;
41
1.02M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
42
1.02M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
43
1.02M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
44
1.02M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
45
1.02M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
46
47
  // stage 3
48
1.02M
  stage++;
49
1.02M
  bf0 = step;
50
1.02M
  bf1 = output;
51
1.02M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
52
1.02M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
53
1.02M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
54
1.02M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
55
1.02M
}
56
57
void av1_idct8(const int32_t *input, int32_t *output, int8_t cos_bit,
58
2.79M
               const int8_t *stage_range) {
59
2.79M
  assert(output != input);
60
2.79M
  const int32_t size = 8;
61
2.79M
  const int32_t *cospi = cospi_arr(cos_bit);
62
63
2.79M
  int32_t stage = 0;
64
2.79M
  int32_t *bf0, *bf1;
65
2.79M
  int32_t step[8];
66
67
  // stage 0;
68
69
  // stage 1;
70
2.79M
  stage++;
71
2.79M
  bf1 = output;
72
2.79M
  bf1[0] = input[0];
73
2.79M
  bf1[1] = input[4];
74
2.79M
  bf1[2] = input[2];
75
2.79M
  bf1[3] = input[6];
76
2.79M
  bf1[4] = input[1];
77
2.79M
  bf1[5] = input[5];
78
2.79M
  bf1[6] = input[3];
79
2.79M
  bf1[7] = input[7];
80
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
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82
  // stage 2
83
2.79M
  stage++;
84
2.79M
  bf0 = output;
85
2.79M
  bf1 = step;
86
2.79M
  bf1[0] = bf0[0];
87
2.79M
  bf1[1] = bf0[1];
88
2.79M
  bf1[2] = bf0[2];
89
2.79M
  bf1[3] = bf0[3];
90
2.79M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
91
2.79M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
92
2.79M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
93
2.79M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
94
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
95
96
  // stage 3
97
2.79M
  stage++;
98
2.79M
  bf0 = step;
99
2.79M
  bf1 = output;
100
2.79M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
101
2.79M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
102
2.79M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
103
2.79M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
104
2.79M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
105
2.79M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
106
2.79M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
107
2.79M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
108
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
109
110
  // stage 4
111
2.79M
  stage++;
112
2.79M
  bf0 = output;
113
2.79M
  bf1 = step;
114
2.79M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
115
2.79M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
116
2.79M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
117
2.79M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
118
2.79M
  bf1[4] = bf0[4];
119
2.79M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
120
2.79M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
121
2.79M
  bf1[7] = bf0[7];
122
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
123
124
  // stage 5
125
2.79M
  stage++;
126
2.79M
  bf0 = step;
127
2.79M
  bf1 = output;
128
2.79M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
129
2.79M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
130
2.79M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
131
2.79M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
132
2.79M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
133
2.79M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
134
2.79M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
135
2.79M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
136
2.79M
}
137
138
void av1_idct16(const int32_t *input, int32_t *output, int8_t cos_bit,
139
4.82M
                const int8_t *stage_range) {
140
4.82M
  assert(output != input);
141
4.82M
  const int32_t size = 16;
142
4.82M
  const int32_t *cospi = cospi_arr(cos_bit);
143
144
4.82M
  int32_t stage = 0;
145
4.82M
  int32_t *bf0, *bf1;
146
4.82M
  int32_t step[16];
147
148
  // stage 0;
149
150
  // stage 1;
151
4.82M
  stage++;
152
4.82M
  bf1 = output;
153
4.82M
  bf1[0] = input[0];
154
4.82M
  bf1[1] = input[8];
155
4.82M
  bf1[2] = input[4];
156
4.82M
  bf1[3] = input[12];
157
4.82M
  bf1[4] = input[2];
158
4.82M
  bf1[5] = input[10];
159
4.82M
  bf1[6] = input[6];
160
4.82M
  bf1[7] = input[14];
161
4.82M
  bf1[8] = input[1];
162
4.82M
  bf1[9] = input[9];
163
4.82M
  bf1[10] = input[5];
164
4.82M
  bf1[11] = input[13];
165
4.82M
  bf1[12] = input[3];
166
4.82M
  bf1[13] = input[11];
167
4.82M
  bf1[14] = input[7];
168
4.82M
  bf1[15] = input[15];
169
4.82M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
170
171
  // stage 2
172
4.82M
  stage++;
173
4.82M
  bf0 = output;
174
4.82M
  bf1 = step;
175
4.82M
  bf1[0] = bf0[0];
176
4.82M
  bf1[1] = bf0[1];
177
4.82M
  bf1[2] = bf0[2];
178
4.82M
  bf1[3] = bf0[3];
179
4.82M
  bf1[4] = bf0[4];
180
4.82M
  bf1[5] = bf0[5];
181
4.82M
  bf1[6] = bf0[6];
182
4.82M
  bf1[7] = bf0[7];
183
4.82M
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
184
4.82M
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
185
4.82M
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
186
4.82M
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
187
4.82M
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
188
4.82M
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
189
4.82M
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
190
4.82M
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
191
4.82M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
192
193
  // stage 3
194
4.82M
  stage++;
195
4.82M
  bf0 = step;
196
4.82M
  bf1 = output;
197
4.82M
  bf1[0] = bf0[0];
198
4.82M
  bf1[1] = bf0[1];
199
4.82M
  bf1[2] = bf0[2];
200
4.82M
  bf1[3] = bf0[3];
201
4.82M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
202
4.82M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
203
4.82M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
204
4.82M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
205
4.82M
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
206
4.82M
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
207
4.82M
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
208
4.82M
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
209
4.82M
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
210
4.82M
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
211
4.82M
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
212
4.82M
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
213
4.82M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
214
215
  // stage 4
216
4.82M
  stage++;
217
4.82M
  bf0 = output;
218
4.82M
  bf1 = step;
219
4.82M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
220
4.82M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
221
4.82M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
222
4.82M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
223
4.82M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
224
4.82M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
225
4.82M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
226
4.82M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
227
4.82M
  bf1[8] = bf0[8];
228
4.82M
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
229
4.82M
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
230
4.82M
  bf1[11] = bf0[11];
231
4.82M
  bf1[12] = bf0[12];
232
4.82M
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
233
4.82M
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
234
4.82M
  bf1[15] = bf0[15];
235
4.82M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
236
237
  // stage 5
238
4.82M
  stage++;
239
4.82M
  bf0 = step;
240
4.82M
  bf1 = output;
241
4.82M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
242
4.82M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
243
4.82M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
244
4.82M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
245
4.82M
  bf1[4] = bf0[4];
246
4.82M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
247
4.82M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
248
4.82M
  bf1[7] = bf0[7];
249
4.82M
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
250
4.82M
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
251
4.82M
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
252
4.82M
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
253
4.82M
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
254
4.82M
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
255
4.82M
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
256
4.82M
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
257
4.82M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
258
259
  // stage 6
260
4.82M
  stage++;
261
4.82M
  bf0 = output;
262
4.82M
  bf1 = step;
263
4.82M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
264
4.82M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
265
4.82M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
266
4.82M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
267
4.82M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
268
4.82M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
269
4.82M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
270
4.82M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
271
4.82M
  bf1[8] = bf0[8];
272
4.82M
  bf1[9] = bf0[9];
273
4.82M
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
274
4.82M
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
275
4.82M
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
276
4.82M
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
277
4.82M
  bf1[14] = bf0[14];
278
4.82M
  bf1[15] = bf0[15];
279
4.82M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
280
281
  // stage 7
282
4.82M
  stage++;
283
4.82M
  bf0 = step;
284
4.82M
  bf1 = output;
285
4.82M
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
286
4.82M
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
287
4.82M
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
288
4.82M
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
289
4.82M
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
290
4.82M
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
291
4.82M
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
292
4.82M
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
293
4.82M
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
294
4.82M
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
295
4.82M
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
296
4.82M
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
297
4.82M
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
298
4.82M
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
299
4.82M
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
300
4.82M
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
301
4.82M
}
302
303
void av1_idct32(const int32_t *input, int32_t *output, int8_t cos_bit,
304
5.35M
                const int8_t *stage_range) {
305
5.35M
  assert(output != input);
306
5.35M
  const int32_t size = 32;
307
5.35M
  const int32_t *cospi = cospi_arr(cos_bit);
308
309
5.35M
  int32_t stage = 0;
310
5.35M
  int32_t *bf0, *bf1;
311
5.35M
  int32_t step[32];
312
313
  // stage 0;
314
315
  // stage 1;
316
5.35M
  stage++;
317
5.35M
  bf1 = output;
318
5.35M
  bf1[0] = input[0];
319
5.35M
  bf1[1] = input[16];
320
5.35M
  bf1[2] = input[8];
321
5.35M
  bf1[3] = input[24];
322
5.35M
  bf1[4] = input[4];
323
5.35M
  bf1[5] = input[20];
324
5.35M
  bf1[6] = input[12];
325
5.35M
  bf1[7] = input[28];
326
5.35M
  bf1[8] = input[2];
327
5.35M
  bf1[9] = input[18];
328
5.35M
  bf1[10] = input[10];
329
5.35M
  bf1[11] = input[26];
330
5.35M
  bf1[12] = input[6];
331
5.35M
  bf1[13] = input[22];
332
5.35M
  bf1[14] = input[14];
333
5.35M
  bf1[15] = input[30];
334
5.35M
  bf1[16] = input[1];
335
5.35M
  bf1[17] = input[17];
336
5.35M
  bf1[18] = input[9];
337
5.35M
  bf1[19] = input[25];
338
5.35M
  bf1[20] = input[5];
339
5.35M
  bf1[21] = input[21];
340
5.35M
  bf1[22] = input[13];
341
5.35M
  bf1[23] = input[29];
342
5.35M
  bf1[24] = input[3];
343
5.35M
  bf1[25] = input[19];
344
5.35M
  bf1[26] = input[11];
345
5.35M
  bf1[27] = input[27];
346
5.35M
  bf1[28] = input[7];
347
5.35M
  bf1[29] = input[23];
348
5.35M
  bf1[30] = input[15];
349
5.35M
  bf1[31] = input[31];
350
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
351
352
  // stage 2
353
5.35M
  stage++;
354
5.35M
  bf0 = output;
355
5.35M
  bf1 = step;
356
5.35M
  bf1[0] = bf0[0];
357
5.35M
  bf1[1] = bf0[1];
358
5.35M
  bf1[2] = bf0[2];
359
5.35M
  bf1[3] = bf0[3];
360
5.35M
  bf1[4] = bf0[4];
361
5.35M
  bf1[5] = bf0[5];
362
5.35M
  bf1[6] = bf0[6];
363
5.35M
  bf1[7] = bf0[7];
364
5.35M
  bf1[8] = bf0[8];
365
5.35M
  bf1[9] = bf0[9];
366
5.35M
  bf1[10] = bf0[10];
367
5.35M
  bf1[11] = bf0[11];
368
5.35M
  bf1[12] = bf0[12];
369
5.35M
  bf1[13] = bf0[13];
370
5.35M
  bf1[14] = bf0[14];
371
5.35M
  bf1[15] = bf0[15];
372
5.35M
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit);
373
5.35M
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit);
374
5.35M
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit);
375
5.35M
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit);
376
5.35M
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit);
377
5.35M
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit);
378
5.35M
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit);
379
5.35M
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit);
380
5.35M
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit);
381
5.35M
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit);
382
5.35M
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit);
383
5.35M
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit);
384
5.35M
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit);
385
5.35M
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit);
386
5.35M
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit);
387
5.35M
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit);
388
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
389
390
  // stage 3
391
5.35M
  stage++;
392
5.35M
  bf0 = step;
393
5.35M
  bf1 = output;
394
5.35M
  bf1[0] = bf0[0];
395
5.35M
  bf1[1] = bf0[1];
396
5.35M
  bf1[2] = bf0[2];
397
5.35M
  bf1[3] = bf0[3];
398
5.35M
  bf1[4] = bf0[4];
399
5.35M
  bf1[5] = bf0[5];
400
5.35M
  bf1[6] = bf0[6];
401
5.35M
  bf1[7] = bf0[7];
402
5.35M
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
403
5.35M
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
404
5.35M
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
405
5.35M
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
406
5.35M
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
407
5.35M
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
408
5.35M
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
409
5.35M
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
410
5.35M
  bf1[16] = clamp_value(bf0[16] + bf0[17], stage_range[stage]);
411
5.35M
  bf1[17] = clamp_value(bf0[16] - bf0[17], stage_range[stage]);
412
5.35M
  bf1[18] = clamp_value(-bf0[18] + bf0[19], stage_range[stage]);
413
5.35M
  bf1[19] = clamp_value(bf0[18] + bf0[19], stage_range[stage]);
414
5.35M
  bf1[20] = clamp_value(bf0[20] + bf0[21], stage_range[stage]);
415
5.35M
  bf1[21] = clamp_value(bf0[20] - bf0[21], stage_range[stage]);
416
5.35M
  bf1[22] = clamp_value(-bf0[22] + bf0[23], stage_range[stage]);
417
5.35M
  bf1[23] = clamp_value(bf0[22] + bf0[23], stage_range[stage]);
418
5.35M
  bf1[24] = clamp_value(bf0[24] + bf0[25], stage_range[stage]);
419
5.35M
  bf1[25] = clamp_value(bf0[24] - bf0[25], stage_range[stage]);
420
5.35M
  bf1[26] = clamp_value(-bf0[26] + bf0[27], stage_range[stage]);
421
5.35M
  bf1[27] = clamp_value(bf0[26] + bf0[27], stage_range[stage]);
422
5.35M
  bf1[28] = clamp_value(bf0[28] + bf0[29], stage_range[stage]);
423
5.35M
  bf1[29] = clamp_value(bf0[28] - bf0[29], stage_range[stage]);
424
5.35M
  bf1[30] = clamp_value(-bf0[30] + bf0[31], stage_range[stage]);
425
5.35M
  bf1[31] = clamp_value(bf0[30] + bf0[31], stage_range[stage]);
426
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
427
428
  // stage 4
429
5.35M
  stage++;
430
5.35M
  bf0 = output;
431
5.35M
  bf1 = step;
432
5.35M
  bf1[0] = bf0[0];
433
5.35M
  bf1[1] = bf0[1];
434
5.35M
  bf1[2] = bf0[2];
435
5.35M
  bf1[3] = bf0[3];
436
5.35M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
437
5.35M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
438
5.35M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
439
5.35M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
440
5.35M
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
441
5.35M
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
442
5.35M
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
443
5.35M
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
444
5.35M
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
445
5.35M
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
446
5.35M
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
447
5.35M
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
448
5.35M
  bf1[16] = bf0[16];
449
5.35M
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit);
450
5.35M
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit);
451
5.35M
  bf1[19] = bf0[19];
452
5.35M
  bf1[20] = bf0[20];
453
5.35M
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit);
454
5.35M
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit);
455
5.35M
  bf1[23] = bf0[23];
456
5.35M
  bf1[24] = bf0[24];
457
5.35M
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit);
458
5.35M
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit);
459
5.35M
  bf1[27] = bf0[27];
460
5.35M
  bf1[28] = bf0[28];
461
5.35M
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit);
462
5.35M
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit);
463
5.35M
  bf1[31] = bf0[31];
464
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
465
466
  // stage 5
467
5.35M
  stage++;
468
5.35M
  bf0 = step;
469
5.35M
  bf1 = output;
470
5.35M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
471
5.35M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
472
5.35M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
473
5.35M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
474
5.35M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
475
5.35M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
476
5.35M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
477
5.35M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
478
5.35M
  bf1[8] = bf0[8];
479
5.35M
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
480
5.35M
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
481
5.35M
  bf1[11] = bf0[11];
482
5.35M
  bf1[12] = bf0[12];
483
5.35M
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
484
5.35M
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
485
5.35M
  bf1[15] = bf0[15];
486
5.35M
  bf1[16] = clamp_value(bf0[16] + bf0[19], stage_range[stage]);
487
5.35M
  bf1[17] = clamp_value(bf0[17] + bf0[18], stage_range[stage]);
488
5.35M
  bf1[18] = clamp_value(bf0[17] - bf0[18], stage_range[stage]);
489
5.35M
  bf1[19] = clamp_value(bf0[16] - bf0[19], stage_range[stage]);
490
5.35M
  bf1[20] = clamp_value(-bf0[20] + bf0[23], stage_range[stage]);
491
5.35M
  bf1[21] = clamp_value(-bf0[21] + bf0[22], stage_range[stage]);
492
5.35M
  bf1[22] = clamp_value(bf0[21] + bf0[22], stage_range[stage]);
493
5.35M
  bf1[23] = clamp_value(bf0[20] + bf0[23], stage_range[stage]);
494
5.35M
  bf1[24] = clamp_value(bf0[24] + bf0[27], stage_range[stage]);
495
5.35M
  bf1[25] = clamp_value(bf0[25] + bf0[26], stage_range[stage]);
496
5.35M
  bf1[26] = clamp_value(bf0[25] - bf0[26], stage_range[stage]);
497
5.35M
  bf1[27] = clamp_value(bf0[24] - bf0[27], stage_range[stage]);
498
5.35M
  bf1[28] = clamp_value(-bf0[28] + bf0[31], stage_range[stage]);
499
5.35M
  bf1[29] = clamp_value(-bf0[29] + bf0[30], stage_range[stage]);
500
5.35M
  bf1[30] = clamp_value(bf0[29] + bf0[30], stage_range[stage]);
501
5.35M
  bf1[31] = clamp_value(bf0[28] + bf0[31], stage_range[stage]);
502
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
503
504
  // stage 6
505
5.35M
  stage++;
506
5.35M
  bf0 = output;
507
5.35M
  bf1 = step;
508
5.35M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
509
5.35M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
510
5.35M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
511
5.35M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
512
5.35M
  bf1[4] = bf0[4];
513
5.35M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
514
5.35M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
515
5.35M
  bf1[7] = bf0[7];
516
5.35M
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
517
5.35M
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
518
5.35M
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
519
5.35M
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
520
5.35M
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
521
5.35M
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
522
5.35M
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
523
5.35M
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
524
5.35M
  bf1[16] = bf0[16];
525
5.35M
  bf1[17] = bf0[17];
526
5.35M
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit);
527
5.35M
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit);
528
5.35M
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit);
529
5.35M
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit);
530
5.35M
  bf1[22] = bf0[22];
531
5.35M
  bf1[23] = bf0[23];
532
5.35M
  bf1[24] = bf0[24];
533
5.35M
  bf1[25] = bf0[25];
534
5.35M
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit);
535
5.35M
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit);
536
5.35M
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit);
537
5.35M
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit);
538
5.35M
  bf1[30] = bf0[30];
539
5.35M
  bf1[31] = bf0[31];
540
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
541
542
  // stage 7
543
5.35M
  stage++;
544
5.35M
  bf0 = step;
545
5.35M
  bf1 = output;
546
5.35M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
547
5.35M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
548
5.35M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
549
5.35M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
550
5.35M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
551
5.35M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
552
5.35M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
553
5.35M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
554
5.35M
  bf1[8] = bf0[8];
555
5.35M
  bf1[9] = bf0[9];
556
5.35M
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
557
5.35M
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
558
5.35M
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
559
5.35M
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
560
5.35M
  bf1[14] = bf0[14];
561
5.35M
  bf1[15] = bf0[15];
562
5.35M
  bf1[16] = clamp_value(bf0[16] + bf0[23], stage_range[stage]);
563
5.35M
  bf1[17] = clamp_value(bf0[17] + bf0[22], stage_range[stage]);
564
5.35M
  bf1[18] = clamp_value(bf0[18] + bf0[21], stage_range[stage]);
565
5.35M
  bf1[19] = clamp_value(bf0[19] + bf0[20], stage_range[stage]);
566
5.35M
  bf1[20] = clamp_value(bf0[19] - bf0[20], stage_range[stage]);
567
5.35M
  bf1[21] = clamp_value(bf0[18] - bf0[21], stage_range[stage]);
568
5.35M
  bf1[22] = clamp_value(bf0[17] - bf0[22], stage_range[stage]);
569
5.35M
  bf1[23] = clamp_value(bf0[16] - bf0[23], stage_range[stage]);
570
5.35M
  bf1[24] = clamp_value(-bf0[24] + bf0[31], stage_range[stage]);
571
5.35M
  bf1[25] = clamp_value(-bf0[25] + bf0[30], stage_range[stage]);
572
5.35M
  bf1[26] = clamp_value(-bf0[26] + bf0[29], stage_range[stage]);
573
5.35M
  bf1[27] = clamp_value(-bf0[27] + bf0[28], stage_range[stage]);
574
5.35M
  bf1[28] = clamp_value(bf0[27] + bf0[28], stage_range[stage]);
575
5.35M
  bf1[29] = clamp_value(bf0[26] + bf0[29], stage_range[stage]);
576
5.35M
  bf1[30] = clamp_value(bf0[25] + bf0[30], stage_range[stage]);
577
5.35M
  bf1[31] = clamp_value(bf0[24] + bf0[31], stage_range[stage]);
578
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
579
580
  // stage 8
581
5.35M
  stage++;
582
5.35M
  bf0 = output;
583
5.35M
  bf1 = step;
584
5.35M
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
585
5.35M
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
586
5.35M
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
587
5.35M
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
588
5.35M
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
589
5.35M
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
590
5.35M
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
591
5.35M
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
592
5.35M
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
593
5.35M
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
594
5.35M
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
595
5.35M
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
596
5.35M
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
597
5.35M
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
598
5.35M
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
599
5.35M
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
600
5.35M
  bf1[16] = bf0[16];
601
5.35M
  bf1[17] = bf0[17];
602
5.35M
  bf1[18] = bf0[18];
603
5.35M
  bf1[19] = bf0[19];
604
5.35M
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
605
5.35M
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
606
5.35M
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
607
5.35M
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
608
5.35M
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
609
5.35M
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
610
5.35M
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
611
5.35M
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
612
5.35M
  bf1[28] = bf0[28];
613
5.35M
  bf1[29] = bf0[29];
614
5.35M
  bf1[30] = bf0[30];
615
5.35M
  bf1[31] = bf0[31];
616
5.35M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
617
618
  // stage 9
619
5.35M
  stage++;
620
5.35M
  bf0 = step;
621
5.35M
  bf1 = output;
622
5.35M
  bf1[0] = clamp_value(bf0[0] + bf0[31], stage_range[stage]);
623
5.35M
  bf1[1] = clamp_value(bf0[1] + bf0[30], stage_range[stage]);
624
5.35M
  bf1[2] = clamp_value(bf0[2] + bf0[29], stage_range[stage]);
625
5.35M
  bf1[3] = clamp_value(bf0[3] + bf0[28], stage_range[stage]);
626
5.35M
  bf1[4] = clamp_value(bf0[4] + bf0[27], stage_range[stage]);
627
5.35M
  bf1[5] = clamp_value(bf0[5] + bf0[26], stage_range[stage]);
628
5.35M
  bf1[6] = clamp_value(bf0[6] + bf0[25], stage_range[stage]);
629
5.35M
  bf1[7] = clamp_value(bf0[7] + bf0[24], stage_range[stage]);
630
5.35M
  bf1[8] = clamp_value(bf0[8] + bf0[23], stage_range[stage]);
631
5.35M
  bf1[9] = clamp_value(bf0[9] + bf0[22], stage_range[stage]);
632
5.35M
  bf1[10] = clamp_value(bf0[10] + bf0[21], stage_range[stage]);
633
5.35M
  bf1[11] = clamp_value(bf0[11] + bf0[20], stage_range[stage]);
634
5.35M
  bf1[12] = clamp_value(bf0[12] + bf0[19], stage_range[stage]);
635
5.35M
  bf1[13] = clamp_value(bf0[13] + bf0[18], stage_range[stage]);
636
5.35M
  bf1[14] = clamp_value(bf0[14] + bf0[17], stage_range[stage]);
637
5.35M
  bf1[15] = clamp_value(bf0[15] + bf0[16], stage_range[stage]);
638
5.35M
  bf1[16] = clamp_value(bf0[15] - bf0[16], stage_range[stage]);
639
5.35M
  bf1[17] = clamp_value(bf0[14] - bf0[17], stage_range[stage]);
640
5.35M
  bf1[18] = clamp_value(bf0[13] - bf0[18], stage_range[stage]);
641
5.35M
  bf1[19] = clamp_value(bf0[12] - bf0[19], stage_range[stage]);
642
5.35M
  bf1[20] = clamp_value(bf0[11] - bf0[20], stage_range[stage]);
643
5.35M
  bf1[21] = clamp_value(bf0[10] - bf0[21], stage_range[stage]);
644
5.35M
  bf1[22] = clamp_value(bf0[9] - bf0[22], stage_range[stage]);
645
5.35M
  bf1[23] = clamp_value(bf0[8] - bf0[23], stage_range[stage]);
646
5.35M
  bf1[24] = clamp_value(bf0[7] - bf0[24], stage_range[stage]);
647
5.35M
  bf1[25] = clamp_value(bf0[6] - bf0[25], stage_range[stage]);
648
5.35M
  bf1[26] = clamp_value(bf0[5] - bf0[26], stage_range[stage]);
649
5.35M
  bf1[27] = clamp_value(bf0[4] - bf0[27], stage_range[stage]);
650
5.35M
  bf1[28] = clamp_value(bf0[3] - bf0[28], stage_range[stage]);
651
5.35M
  bf1[29] = clamp_value(bf0[2] - bf0[29], stage_range[stage]);
652
5.35M
  bf1[30] = clamp_value(bf0[1] - bf0[30], stage_range[stage]);
653
5.35M
  bf1[31] = clamp_value(bf0[0] - bf0[31], stage_range[stage]);
654
5.35M
}
655
656
void av1_iadst4(const int32_t *input, int32_t *output, int8_t cos_bit,
657
825k
                const int8_t *stage_range) {
658
825k
  int bit = cos_bit;
659
825k
  const int32_t *sinpi = sinpi_arr(bit);
660
825k
  int32_t s0, s1, s2, s3, s4, s5, s6, s7;
661
662
825k
  int32_t x0 = input[0];
663
825k
  int32_t x1 = input[1];
664
825k
  int32_t x2 = input[2];
665
825k
  int32_t x3 = input[3];
666
667
825k
  if (!(x0 | x1 | x2 | x3)) {
668
261k
    output[0] = output[1] = output[2] = output[3] = 0;
669
261k
    return;
670
261k
  }
671
672
564k
  assert(sinpi[1] + sinpi[2] == sinpi[4]);
673
674
  // stage 1
675
564k
  s0 = range_check_value(sinpi[1] * x0, stage_range[1] + bit);
676
564k
  s1 = range_check_value(sinpi[2] * x0, stage_range[1] + bit);
677
564k
  s2 = range_check_value(sinpi[3] * x1, stage_range[1] + bit);
678
564k
  s3 = range_check_value(sinpi[4] * x2, stage_range[1] + bit);
679
564k
  s4 = range_check_value(sinpi[1] * x2, stage_range[1] + bit);
680
564k
  s5 = range_check_value(sinpi[2] * x3, stage_range[1] + bit);
681
564k
  s6 = range_check_value(sinpi[4] * x3, stage_range[1] + bit);
682
683
  // stage 2
684
  // NOTICE: (x0 - x2) here may use one extra bit compared to the
685
  // opt_range_row/col specified in av1_gen_inv_stage_range()
686
564k
  s7 = range_check_value((x0 - x2) + x3, stage_range[2]);
687
688
  // stage 3
689
564k
  s0 = range_check_value(s0 + s3, stage_range[3] + bit);
690
564k
  s1 = range_check_value(s1 - s4, stage_range[3] + bit);
691
564k
  s3 = range_check_value(s2, stage_range[3] + bit);
692
564k
  s2 = range_check_value(sinpi[3] * s7, stage_range[3] + bit);
693
694
  // stage 4
695
564k
  s0 = range_check_value(s0 + s5, stage_range[4] + bit);
696
564k
  s1 = range_check_value(s1 - s6, stage_range[4] + bit);
697
698
  // stage 5
699
564k
  x0 = range_check_value(s0 + s3, stage_range[5] + bit);
700
564k
  x1 = range_check_value(s1 + s3, stage_range[5] + bit);
701
564k
  x2 = range_check_value(s2, stage_range[5] + bit);
702
564k
  x3 = range_check_value(s0 + s1, stage_range[5] + bit);
703
704
  // stage 6
705
564k
  x3 = range_check_value(x3 - s3, stage_range[6] + bit);
706
707
564k
  output[0] = round_shift(x0, bit);
708
564k
  output[1] = round_shift(x1, bit);
709
564k
  output[2] = round_shift(x2, bit);
710
564k
  output[3] = round_shift(x3, bit);
711
564k
}
712
713
void av1_iadst8(const int32_t *input, int32_t *output, int8_t cos_bit,
714
1.12M
                const int8_t *stage_range) {
715
1.12M
  assert(output != input);
716
1.12M
  const int32_t size = 8;
717
1.12M
  const int32_t *cospi = cospi_arr(cos_bit);
718
719
1.12M
  int32_t stage = 0;
720
1.12M
  int32_t *bf0, *bf1;
721
1.12M
  int32_t step[8];
722
723
  // stage 0;
724
725
  // stage 1;
726
1.12M
  stage++;
727
1.12M
  bf1 = output;
728
1.12M
  bf1[0] = input[7];
729
1.12M
  bf1[1] = input[0];
730
1.12M
  bf1[2] = input[5];
731
1.12M
  bf1[3] = input[2];
732
1.12M
  bf1[4] = input[3];
733
1.12M
  bf1[5] = input[4];
734
1.12M
  bf1[6] = input[1];
735
1.12M
  bf1[7] = input[6];
736
1.12M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
737
738
  // stage 2
739
1.12M
  stage++;
740
1.12M
  bf0 = output;
741
1.12M
  bf1 = step;
742
1.12M
  bf1[0] = half_btf(cospi[4], bf0[0], cospi[60], bf0[1], cos_bit);
743
1.12M
  bf1[1] = half_btf(cospi[60], bf0[0], -cospi[4], bf0[1], cos_bit);
744
1.12M
  bf1[2] = half_btf(cospi[20], bf0[2], cospi[44], bf0[3], cos_bit);
745
1.12M
  bf1[3] = half_btf(cospi[44], bf0[2], -cospi[20], bf0[3], cos_bit);
746
1.12M
  bf1[4] = half_btf(cospi[36], bf0[4], cospi[28], bf0[5], cos_bit);
747
1.12M
  bf1[5] = half_btf(cospi[28], bf0[4], -cospi[36], bf0[5], cos_bit);
748
1.12M
  bf1[6] = half_btf(cospi[52], bf0[6], cospi[12], bf0[7], cos_bit);
749
1.12M
  bf1[7] = half_btf(cospi[12], bf0[6], -cospi[52], bf0[7], cos_bit);
750
1.12M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
751
752
  // stage 3
753
1.12M
  stage++;
754
1.12M
  bf0 = step;
755
1.12M
  bf1 = output;
756
1.12M
  bf1[0] = clamp_value(bf0[0] + bf0[4], stage_range[stage]);
757
1.12M
  bf1[1] = clamp_value(bf0[1] + bf0[5], stage_range[stage]);
758
1.12M
  bf1[2] = clamp_value(bf0[2] + bf0[6], stage_range[stage]);
759
1.12M
  bf1[3] = clamp_value(bf0[3] + bf0[7], stage_range[stage]);
760
1.12M
  bf1[4] = clamp_value(bf0[0] - bf0[4], stage_range[stage]);
761
1.12M
  bf1[5] = clamp_value(bf0[1] - bf0[5], stage_range[stage]);
762
1.12M
  bf1[6] = clamp_value(bf0[2] - bf0[6], stage_range[stage]);
763
1.12M
  bf1[7] = clamp_value(bf0[3] - bf0[7], stage_range[stage]);
764
1.12M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
765
766
  // stage 4
767
1.12M
  stage++;
768
1.12M
  bf0 = output;
769
1.12M
  bf1 = step;
770
1.12M
  bf1[0] = bf0[0];
771
1.12M
  bf1[1] = bf0[1];
772
1.12M
  bf1[2] = bf0[2];
773
1.12M
  bf1[3] = bf0[3];
774
1.12M
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit);
775
1.12M
  bf1[5] = half_btf(cospi[48], bf0[4], -cospi[16], bf0[5], cos_bit);
776
1.12M
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit);
777
1.12M
  bf1[7] = half_btf(cospi[16], bf0[6], cospi[48], bf0[7], cos_bit);
778
1.12M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
779
780
  // stage 5
781
1.12M
  stage++;
782
1.12M
  bf0 = step;
783
1.12M
  bf1 = output;
784
1.12M
  bf1[0] = clamp_value(bf0[0] + bf0[2], stage_range[stage]);
785
1.12M
  bf1[1] = clamp_value(bf0[1] + bf0[3], stage_range[stage]);
786
1.12M
  bf1[2] = clamp_value(bf0[0] - bf0[2], stage_range[stage]);
787
1.12M
  bf1[3] = clamp_value(bf0[1] - bf0[3], stage_range[stage]);
788
1.12M
  bf1[4] = clamp_value(bf0[4] + bf0[6], stage_range[stage]);
789
1.12M
  bf1[5] = clamp_value(bf0[5] + bf0[7], stage_range[stage]);
790
1.12M
  bf1[6] = clamp_value(bf0[4] - bf0[6], stage_range[stage]);
791
1.12M
  bf1[7] = clamp_value(bf0[5] - bf0[7], stage_range[stage]);
792
1.12M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
793
794
  // stage 6
795
1.12M
  stage++;
796
1.12M
  bf0 = output;
797
1.12M
  bf1 = step;
798
1.12M
  bf1[0] = bf0[0];
799
1.12M
  bf1[1] = bf0[1];
800
1.12M
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit);
801
1.12M
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit);
802
1.12M
  bf1[4] = bf0[4];
803
1.12M
  bf1[5] = bf0[5];
804
1.12M
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit);
805
1.12M
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit);
806
1.12M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
807
808
  // stage 7
809
1.12M
  bf0 = step;
810
1.12M
  bf1 = output;
811
1.12M
  bf1[0] = bf0[0];
812
1.12M
  bf1[1] = -bf0[4];
813
1.12M
  bf1[2] = bf0[6];
814
1.12M
  bf1[3] = -bf0[2];
815
1.12M
  bf1[4] = bf0[3];
816
1.12M
  bf1[5] = -bf0[7];
817
1.12M
  bf1[6] = bf0[5];
818
1.12M
  bf1[7] = -bf0[1];
819
1.12M
}
820
821
void av1_iadst16(const int32_t *input, int32_t *output, int8_t cos_bit,
822
1.74M
                 const int8_t *stage_range) {
823
1.74M
  assert(output != input);
824
1.74M
  const int32_t size = 16;
825
1.74M
  const int32_t *cospi = cospi_arr(cos_bit);
826
827
1.74M
  int32_t stage = 0;
828
1.74M
  int32_t *bf0, *bf1;
829
1.74M
  int32_t step[16];
830
831
  // stage 0;
832
833
  // stage 1;
834
1.74M
  stage++;
835
1.74M
  bf1 = output;
836
1.74M
  bf1[0] = input[15];
837
1.74M
  bf1[1] = input[0];
838
1.74M
  bf1[2] = input[13];
839
1.74M
  bf1[3] = input[2];
840
1.74M
  bf1[4] = input[11];
841
1.74M
  bf1[5] = input[4];
842
1.74M
  bf1[6] = input[9];
843
1.74M
  bf1[7] = input[6];
844
1.74M
  bf1[8] = input[7];
845
1.74M
  bf1[9] = input[8];
846
1.74M
  bf1[10] = input[5];
847
1.74M
  bf1[11] = input[10];
848
1.74M
  bf1[12] = input[3];
849
1.74M
  bf1[13] = input[12];
850
1.74M
  bf1[14] = input[1];
851
1.74M
  bf1[15] = input[14];
852
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
853
854
  // stage 2
855
1.74M
  stage++;
856
1.74M
  bf0 = output;
857
1.74M
  bf1 = step;
858
1.74M
  bf1[0] = half_btf(cospi[2], bf0[0], cospi[62], bf0[1], cos_bit);
859
1.74M
  bf1[1] = half_btf(cospi[62], bf0[0], -cospi[2], bf0[1], cos_bit);
860
1.74M
  bf1[2] = half_btf(cospi[10], bf0[2], cospi[54], bf0[3], cos_bit);
861
1.74M
  bf1[3] = half_btf(cospi[54], bf0[2], -cospi[10], bf0[3], cos_bit);
862
1.74M
  bf1[4] = half_btf(cospi[18], bf0[4], cospi[46], bf0[5], cos_bit);
863
1.74M
  bf1[5] = half_btf(cospi[46], bf0[4], -cospi[18], bf0[5], cos_bit);
864
1.74M
  bf1[6] = half_btf(cospi[26], bf0[6], cospi[38], bf0[7], cos_bit);
865
1.74M
  bf1[7] = half_btf(cospi[38], bf0[6], -cospi[26], bf0[7], cos_bit);
866
1.74M
  bf1[8] = half_btf(cospi[34], bf0[8], cospi[30], bf0[9], cos_bit);
867
1.74M
  bf1[9] = half_btf(cospi[30], bf0[8], -cospi[34], bf0[9], cos_bit);
868
1.74M
  bf1[10] = half_btf(cospi[42], bf0[10], cospi[22], bf0[11], cos_bit);
869
1.74M
  bf1[11] = half_btf(cospi[22], bf0[10], -cospi[42], bf0[11], cos_bit);
870
1.74M
  bf1[12] = half_btf(cospi[50], bf0[12], cospi[14], bf0[13], cos_bit);
871
1.74M
  bf1[13] = half_btf(cospi[14], bf0[12], -cospi[50], bf0[13], cos_bit);
872
1.74M
  bf1[14] = half_btf(cospi[58], bf0[14], cospi[6], bf0[15], cos_bit);
873
1.74M
  bf1[15] = half_btf(cospi[6], bf0[14], -cospi[58], bf0[15], cos_bit);
874
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
875
876
  // stage 3
877
1.74M
  stage++;
878
1.74M
  bf0 = step;
879
1.74M
  bf1 = output;
880
1.74M
  bf1[0] = clamp_value(bf0[0] + bf0[8], stage_range[stage]);
881
1.74M
  bf1[1] = clamp_value(bf0[1] + bf0[9], stage_range[stage]);
882
1.74M
  bf1[2] = clamp_value(bf0[2] + bf0[10], stage_range[stage]);
883
1.74M
  bf1[3] = clamp_value(bf0[3] + bf0[11], stage_range[stage]);
884
1.74M
  bf1[4] = clamp_value(bf0[4] + bf0[12], stage_range[stage]);
885
1.74M
  bf1[5] = clamp_value(bf0[5] + bf0[13], stage_range[stage]);
886
1.74M
  bf1[6] = clamp_value(bf0[6] + bf0[14], stage_range[stage]);
887
1.74M
  bf1[7] = clamp_value(bf0[7] + bf0[15], stage_range[stage]);
888
1.74M
  bf1[8] = clamp_value(bf0[0] - bf0[8], stage_range[stage]);
889
1.74M
  bf1[9] = clamp_value(bf0[1] - bf0[9], stage_range[stage]);
890
1.74M
  bf1[10] = clamp_value(bf0[2] - bf0[10], stage_range[stage]);
891
1.74M
  bf1[11] = clamp_value(bf0[3] - bf0[11], stage_range[stage]);
892
1.74M
  bf1[12] = clamp_value(bf0[4] - bf0[12], stage_range[stage]);
893
1.74M
  bf1[13] = clamp_value(bf0[5] - bf0[13], stage_range[stage]);
894
1.74M
  bf1[14] = clamp_value(bf0[6] - bf0[14], stage_range[stage]);
895
1.74M
  bf1[15] = clamp_value(bf0[7] - bf0[15], stage_range[stage]);
896
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
897
898
  // stage 4
899
1.74M
  stage++;
900
1.74M
  bf0 = output;
901
1.74M
  bf1 = step;
902
1.74M
  bf1[0] = bf0[0];
903
1.74M
  bf1[1] = bf0[1];
904
1.74M
  bf1[2] = bf0[2];
905
1.74M
  bf1[3] = bf0[3];
906
1.74M
  bf1[4] = bf0[4];
907
1.74M
  bf1[5] = bf0[5];
908
1.74M
  bf1[6] = bf0[6];
909
1.74M
  bf1[7] = bf0[7];
910
1.74M
  bf1[8] = half_btf(cospi[8], bf0[8], cospi[56], bf0[9], cos_bit);
911
1.74M
  bf1[9] = half_btf(cospi[56], bf0[8], -cospi[8], bf0[9], cos_bit);
912
1.74M
  bf1[10] = half_btf(cospi[40], bf0[10], cospi[24], bf0[11], cos_bit);
913
1.74M
  bf1[11] = half_btf(cospi[24], bf0[10], -cospi[40], bf0[11], cos_bit);
914
1.74M
  bf1[12] = half_btf(-cospi[56], bf0[12], cospi[8], bf0[13], cos_bit);
915
1.74M
  bf1[13] = half_btf(cospi[8], bf0[12], cospi[56], bf0[13], cos_bit);
916
1.74M
  bf1[14] = half_btf(-cospi[24], bf0[14], cospi[40], bf0[15], cos_bit);
917
1.74M
  bf1[15] = half_btf(cospi[40], bf0[14], cospi[24], bf0[15], cos_bit);
918
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
919
920
  // stage 5
921
1.74M
  stage++;
922
1.74M
  bf0 = step;
923
1.74M
  bf1 = output;
924
1.74M
  bf1[0] = clamp_value(bf0[0] + bf0[4], stage_range[stage]);
925
1.74M
  bf1[1] = clamp_value(bf0[1] + bf0[5], stage_range[stage]);
926
1.74M
  bf1[2] = clamp_value(bf0[2] + bf0[6], stage_range[stage]);
927
1.74M
  bf1[3] = clamp_value(bf0[3] + bf0[7], stage_range[stage]);
928
1.74M
  bf1[4] = clamp_value(bf0[0] - bf0[4], stage_range[stage]);
929
1.74M
  bf1[5] = clamp_value(bf0[1] - bf0[5], stage_range[stage]);
930
1.74M
  bf1[6] = clamp_value(bf0[2] - bf0[6], stage_range[stage]);
931
1.74M
  bf1[7] = clamp_value(bf0[3] - bf0[7], stage_range[stage]);
932
1.74M
  bf1[8] = clamp_value(bf0[8] + bf0[12], stage_range[stage]);
933
1.74M
  bf1[9] = clamp_value(bf0[9] + bf0[13], stage_range[stage]);
934
1.74M
  bf1[10] = clamp_value(bf0[10] + bf0[14], stage_range[stage]);
935
1.74M
  bf1[11] = clamp_value(bf0[11] + bf0[15], stage_range[stage]);
936
1.74M
  bf1[12] = clamp_value(bf0[8] - bf0[12], stage_range[stage]);
937
1.74M
  bf1[13] = clamp_value(bf0[9] - bf0[13], stage_range[stage]);
938
1.74M
  bf1[14] = clamp_value(bf0[10] - bf0[14], stage_range[stage]);
939
1.74M
  bf1[15] = clamp_value(bf0[11] - bf0[15], stage_range[stage]);
940
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
941
942
  // stage 6
943
1.74M
  stage++;
944
1.74M
  bf0 = output;
945
1.74M
  bf1 = step;
946
1.74M
  bf1[0] = bf0[0];
947
1.74M
  bf1[1] = bf0[1];
948
1.74M
  bf1[2] = bf0[2];
949
1.74M
  bf1[3] = bf0[3];
950
1.74M
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit);
951
1.74M
  bf1[5] = half_btf(cospi[48], bf0[4], -cospi[16], bf0[5], cos_bit);
952
1.74M
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit);
953
1.74M
  bf1[7] = half_btf(cospi[16], bf0[6], cospi[48], bf0[7], cos_bit);
954
1.74M
  bf1[8] = bf0[8];
955
1.74M
  bf1[9] = bf0[9];
956
1.74M
  bf1[10] = bf0[10];
957
1.74M
  bf1[11] = bf0[11];
958
1.74M
  bf1[12] = half_btf(cospi[16], bf0[12], cospi[48], bf0[13], cos_bit);
959
1.74M
  bf1[13] = half_btf(cospi[48], bf0[12], -cospi[16], bf0[13], cos_bit);
960
1.74M
  bf1[14] = half_btf(-cospi[48], bf0[14], cospi[16], bf0[15], cos_bit);
961
1.74M
  bf1[15] = half_btf(cospi[16], bf0[14], cospi[48], bf0[15], cos_bit);
962
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
963
964
  // stage 7
965
1.74M
  stage++;
966
1.74M
  bf0 = step;
967
1.74M
  bf1 = output;
968
1.74M
  bf1[0] = clamp_value(bf0[0] + bf0[2], stage_range[stage]);
969
1.74M
  bf1[1] = clamp_value(bf0[1] + bf0[3], stage_range[stage]);
970
1.74M
  bf1[2] = clamp_value(bf0[0] - bf0[2], stage_range[stage]);
971
1.74M
  bf1[3] = clamp_value(bf0[1] - bf0[3], stage_range[stage]);
972
1.74M
  bf1[4] = clamp_value(bf0[4] + bf0[6], stage_range[stage]);
973
1.74M
  bf1[5] = clamp_value(bf0[5] + bf0[7], stage_range[stage]);
974
1.74M
  bf1[6] = clamp_value(bf0[4] - bf0[6], stage_range[stage]);
975
1.74M
  bf1[7] = clamp_value(bf0[5] - bf0[7], stage_range[stage]);
976
1.74M
  bf1[8] = clamp_value(bf0[8] + bf0[10], stage_range[stage]);
977
1.74M
  bf1[9] = clamp_value(bf0[9] + bf0[11], stage_range[stage]);
978
1.74M
  bf1[10] = clamp_value(bf0[8] - bf0[10], stage_range[stage]);
979
1.74M
  bf1[11] = clamp_value(bf0[9] - bf0[11], stage_range[stage]);
980
1.74M
  bf1[12] = clamp_value(bf0[12] + bf0[14], stage_range[stage]);
981
1.74M
  bf1[13] = clamp_value(bf0[13] + bf0[15], stage_range[stage]);
982
1.74M
  bf1[14] = clamp_value(bf0[12] - bf0[14], stage_range[stage]);
983
1.74M
  bf1[15] = clamp_value(bf0[13] - bf0[15], stage_range[stage]);
984
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
985
986
  // stage 8
987
1.74M
  stage++;
988
1.74M
  bf0 = output;
989
1.74M
  bf1 = step;
990
1.74M
  bf1[0] = bf0[0];
991
1.74M
  bf1[1] = bf0[1];
992
1.74M
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit);
993
1.74M
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit);
994
1.74M
  bf1[4] = bf0[4];
995
1.74M
  bf1[5] = bf0[5];
996
1.74M
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit);
997
1.74M
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit);
998
1.74M
  bf1[8] = bf0[8];
999
1.74M
  bf1[9] = bf0[9];
1000
1.74M
  bf1[10] = half_btf(cospi[32], bf0[10], cospi[32], bf0[11], cos_bit);
1001
1.74M
  bf1[11] = half_btf(cospi[32], bf0[10], -cospi[32], bf0[11], cos_bit);
1002
1.74M
  bf1[12] = bf0[12];
1003
1.74M
  bf1[13] = bf0[13];
1004
1.74M
  bf1[14] = half_btf(cospi[32], bf0[14], cospi[32], bf0[15], cos_bit);
1005
1.74M
  bf1[15] = half_btf(cospi[32], bf0[14], -cospi[32], bf0[15], cos_bit);
1006
1.74M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1007
1008
  // stage 9
1009
1.74M
  bf0 = step;
1010
1.74M
  bf1 = output;
1011
1.74M
  bf1[0] = bf0[0];
1012
1.74M
  bf1[1] = -bf0[8];
1013
1.74M
  bf1[2] = bf0[12];
1014
1.74M
  bf1[3] = -bf0[4];
1015
1.74M
  bf1[4] = bf0[6];
1016
1.74M
  bf1[5] = -bf0[14];
1017
1.74M
  bf1[6] = bf0[10];
1018
1.74M
  bf1[7] = -bf0[2];
1019
1.74M
  bf1[8] = bf0[3];
1020
1.74M
  bf1[9] = -bf0[11];
1021
1.74M
  bf1[10] = bf0[15];
1022
1.74M
  bf1[11] = -bf0[7];
1023
1.74M
  bf1[12] = bf0[5];
1024
1.74M
  bf1[13] = -bf0[13];
1025
1.74M
  bf1[14] = bf0[9];
1026
1.74M
  bf1[15] = -bf0[1];
1027
1.74M
}
1028
1029
void av1_iidentity4_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1030
295k
                      const int8_t *stage_range) {
1031
295k
  (void)cos_bit;
1032
295k
  (void)stage_range;
1033
1.47M
  for (int i = 0; i < 4; ++i) {
1034
1.18M
    output[i] = round_shift((int64_t)NewSqrt2 * input[i], NewSqrt2Bits);
1035
1.18M
  }
1036
295k
  assert(stage_range[0] + NewSqrt2Bits <= 32);
1037
295k
}
1038
1039
void av1_iidentity8_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1040
389k
                      const int8_t *stage_range) {
1041
389k
  (void)cos_bit;
1042
389k
  (void)stage_range;
1043
3.50M
  for (int i = 0; i < 8; ++i) output[i] = (int32_t)((int64_t)input[i] * 2);
1044
389k
}
1045
1046
void av1_iidentity16_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1047
216k
                       const int8_t *stage_range) {
1048
216k
  (void)cos_bit;
1049
216k
  (void)stage_range;
1050
3.67M
  for (int i = 0; i < 16; ++i)
1051
3.45M
    output[i] = round_shift((int64_t)NewSqrt2 * 2 * input[i], NewSqrt2Bits);
1052
216k
  assert(stage_range[0] + NewSqrt2Bits <= 32);
1053
216k
}
1054
1055
void av1_iidentity32_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1056
1.87k
                       const int8_t *stage_range) {
1057
1.87k
  (void)cos_bit;
1058
1.87k
  (void)stage_range;
1059
61.7k
  for (int i = 0; i < 32; ++i) output[i] = (int32_t)((int64_t)input[i] * 4);
1060
1.87k
}
1061
1062
void av1_idct64(const int32_t *input, int32_t *output, int8_t cos_bit,
1063
6.95M
                const int8_t *stage_range) {
1064
6.95M
  assert(output != input);
1065
6.95M
  const int32_t size = 64;
1066
6.95M
  const int32_t *cospi = cospi_arr(cos_bit);
1067
1068
6.95M
  int32_t stage = 0;
1069
6.95M
  int32_t *bf0, *bf1;
1070
6.95M
  int32_t step[64];
1071
1072
  // stage 0;
1073
1074
  // stage 1;
1075
6.95M
  stage++;
1076
6.95M
  bf1 = output;
1077
6.95M
  bf1[0] = input[0];
1078
6.95M
  bf1[1] = input[32];
1079
6.95M
  bf1[2] = input[16];
1080
6.95M
  bf1[3] = input[48];
1081
6.95M
  bf1[4] = input[8];
1082
6.95M
  bf1[5] = input[40];
1083
6.95M
  bf1[6] = input[24];
1084
6.95M
  bf1[7] = input[56];
1085
6.95M
  bf1[8] = input[4];
1086
6.95M
  bf1[9] = input[36];
1087
6.95M
  bf1[10] = input[20];
1088
6.95M
  bf1[11] = input[52];
1089
6.95M
  bf1[12] = input[12];
1090
6.95M
  bf1[13] = input[44];
1091
6.95M
  bf1[14] = input[28];
1092
6.95M
  bf1[15] = input[60];
1093
6.95M
  bf1[16] = input[2];
1094
6.95M
  bf1[17] = input[34];
1095
6.95M
  bf1[18] = input[18];
1096
6.95M
  bf1[19] = input[50];
1097
6.95M
  bf1[20] = input[10];
1098
6.95M
  bf1[21] = input[42];
1099
6.95M
  bf1[22] = input[26];
1100
6.95M
  bf1[23] = input[58];
1101
6.95M
  bf1[24] = input[6];
1102
6.95M
  bf1[25] = input[38];
1103
6.95M
  bf1[26] = input[22];
1104
6.95M
  bf1[27] = input[54];
1105
6.95M
  bf1[28] = input[14];
1106
6.95M
  bf1[29] = input[46];
1107
6.95M
  bf1[30] = input[30];
1108
6.95M
  bf1[31] = input[62];
1109
6.95M
  bf1[32] = input[1];
1110
6.95M
  bf1[33] = input[33];
1111
6.95M
  bf1[34] = input[17];
1112
6.95M
  bf1[35] = input[49];
1113
6.95M
  bf1[36] = input[9];
1114
6.95M
  bf1[37] = input[41];
1115
6.95M
  bf1[38] = input[25];
1116
6.95M
  bf1[39] = input[57];
1117
6.95M
  bf1[40] = input[5];
1118
6.95M
  bf1[41] = input[37];
1119
6.95M
  bf1[42] = input[21];
1120
6.95M
  bf1[43] = input[53];
1121
6.95M
  bf1[44] = input[13];
1122
6.95M
  bf1[45] = input[45];
1123
6.95M
  bf1[46] = input[29];
1124
6.95M
  bf1[47] = input[61];
1125
6.95M
  bf1[48] = input[3];
1126
6.95M
  bf1[49] = input[35];
1127
6.95M
  bf1[50] = input[19];
1128
6.95M
  bf1[51] = input[51];
1129
6.95M
  bf1[52] = input[11];
1130
6.95M
  bf1[53] = input[43];
1131
6.95M
  bf1[54] = input[27];
1132
6.95M
  bf1[55] = input[59];
1133
6.95M
  bf1[56] = input[7];
1134
6.95M
  bf1[57] = input[39];
1135
6.95M
  bf1[58] = input[23];
1136
6.95M
  bf1[59] = input[55];
1137
6.95M
  bf1[60] = input[15];
1138
6.95M
  bf1[61] = input[47];
1139
6.95M
  bf1[62] = input[31];
1140
6.95M
  bf1[63] = input[63];
1141
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1142
1143
  // stage 2
1144
6.95M
  stage++;
1145
6.95M
  bf0 = output;
1146
6.95M
  bf1 = step;
1147
6.95M
  bf1[0] = bf0[0];
1148
6.95M
  bf1[1] = bf0[1];
1149
6.95M
  bf1[2] = bf0[2];
1150
6.95M
  bf1[3] = bf0[3];
1151
6.95M
  bf1[4] = bf0[4];
1152
6.95M
  bf1[5] = bf0[5];
1153
6.95M
  bf1[6] = bf0[6];
1154
6.95M
  bf1[7] = bf0[7];
1155
6.95M
  bf1[8] = bf0[8];
1156
6.95M
  bf1[9] = bf0[9];
1157
6.95M
  bf1[10] = bf0[10];
1158
6.95M
  bf1[11] = bf0[11];
1159
6.95M
  bf1[12] = bf0[12];
1160
6.95M
  bf1[13] = bf0[13];
1161
6.95M
  bf1[14] = bf0[14];
1162
6.95M
  bf1[15] = bf0[15];
1163
6.95M
  bf1[16] = bf0[16];
1164
6.95M
  bf1[17] = bf0[17];
1165
6.95M
  bf1[18] = bf0[18];
1166
6.95M
  bf1[19] = bf0[19];
1167
6.95M
  bf1[20] = bf0[20];
1168
6.95M
  bf1[21] = bf0[21];
1169
6.95M
  bf1[22] = bf0[22];
1170
6.95M
  bf1[23] = bf0[23];
1171
6.95M
  bf1[24] = bf0[24];
1172
6.95M
  bf1[25] = bf0[25];
1173
6.95M
  bf1[26] = bf0[26];
1174
6.95M
  bf1[27] = bf0[27];
1175
6.95M
  bf1[28] = bf0[28];
1176
6.95M
  bf1[29] = bf0[29];
1177
6.95M
  bf1[30] = bf0[30];
1178
6.95M
  bf1[31] = bf0[31];
1179
6.95M
  bf1[32] = half_btf(cospi[63], bf0[32], -cospi[1], bf0[63], cos_bit);
1180
6.95M
  bf1[33] = half_btf(cospi[31], bf0[33], -cospi[33], bf0[62], cos_bit);
1181
6.95M
  bf1[34] = half_btf(cospi[47], bf0[34], -cospi[17], bf0[61], cos_bit);
1182
6.95M
  bf1[35] = half_btf(cospi[15], bf0[35], -cospi[49], bf0[60], cos_bit);
1183
6.95M
  bf1[36] = half_btf(cospi[55], bf0[36], -cospi[9], bf0[59], cos_bit);
1184
6.95M
  bf1[37] = half_btf(cospi[23], bf0[37], -cospi[41], bf0[58], cos_bit);
1185
6.95M
  bf1[38] = half_btf(cospi[39], bf0[38], -cospi[25], bf0[57], cos_bit);
1186
6.95M
  bf1[39] = half_btf(cospi[7], bf0[39], -cospi[57], bf0[56], cos_bit);
1187
6.95M
  bf1[40] = half_btf(cospi[59], bf0[40], -cospi[5], bf0[55], cos_bit);
1188
6.95M
  bf1[41] = half_btf(cospi[27], bf0[41], -cospi[37], bf0[54], cos_bit);
1189
6.95M
  bf1[42] = half_btf(cospi[43], bf0[42], -cospi[21], bf0[53], cos_bit);
1190
6.95M
  bf1[43] = half_btf(cospi[11], bf0[43], -cospi[53], bf0[52], cos_bit);
1191
6.95M
  bf1[44] = half_btf(cospi[51], bf0[44], -cospi[13], bf0[51], cos_bit);
1192
6.95M
  bf1[45] = half_btf(cospi[19], bf0[45], -cospi[45], bf0[50], cos_bit);
1193
6.95M
  bf1[46] = half_btf(cospi[35], bf0[46], -cospi[29], bf0[49], cos_bit);
1194
6.95M
  bf1[47] = half_btf(cospi[3], bf0[47], -cospi[61], bf0[48], cos_bit);
1195
6.95M
  bf1[48] = half_btf(cospi[61], bf0[47], cospi[3], bf0[48], cos_bit);
1196
6.95M
  bf1[49] = half_btf(cospi[29], bf0[46], cospi[35], bf0[49], cos_bit);
1197
6.95M
  bf1[50] = half_btf(cospi[45], bf0[45], cospi[19], bf0[50], cos_bit);
1198
6.95M
  bf1[51] = half_btf(cospi[13], bf0[44], cospi[51], bf0[51], cos_bit);
1199
6.95M
  bf1[52] = half_btf(cospi[53], bf0[43], cospi[11], bf0[52], cos_bit);
1200
6.95M
  bf1[53] = half_btf(cospi[21], bf0[42], cospi[43], bf0[53], cos_bit);
1201
6.95M
  bf1[54] = half_btf(cospi[37], bf0[41], cospi[27], bf0[54], cos_bit);
1202
6.95M
  bf1[55] = half_btf(cospi[5], bf0[40], cospi[59], bf0[55], cos_bit);
1203
6.95M
  bf1[56] = half_btf(cospi[57], bf0[39], cospi[7], bf0[56], cos_bit);
1204
6.95M
  bf1[57] = half_btf(cospi[25], bf0[38], cospi[39], bf0[57], cos_bit);
1205
6.95M
  bf1[58] = half_btf(cospi[41], bf0[37], cospi[23], bf0[58], cos_bit);
1206
6.95M
  bf1[59] = half_btf(cospi[9], bf0[36], cospi[55], bf0[59], cos_bit);
1207
6.95M
  bf1[60] = half_btf(cospi[49], bf0[35], cospi[15], bf0[60], cos_bit);
1208
6.95M
  bf1[61] = half_btf(cospi[17], bf0[34], cospi[47], bf0[61], cos_bit);
1209
6.95M
  bf1[62] = half_btf(cospi[33], bf0[33], cospi[31], bf0[62], cos_bit);
1210
6.95M
  bf1[63] = half_btf(cospi[1], bf0[32], cospi[63], bf0[63], cos_bit);
1211
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1212
1213
  // stage 3
1214
6.95M
  stage++;
1215
6.95M
  bf0 = step;
1216
6.95M
  bf1 = output;
1217
6.95M
  bf1[0] = bf0[0];
1218
6.95M
  bf1[1] = bf0[1];
1219
6.95M
  bf1[2] = bf0[2];
1220
6.95M
  bf1[3] = bf0[3];
1221
6.95M
  bf1[4] = bf0[4];
1222
6.95M
  bf1[5] = bf0[5];
1223
6.95M
  bf1[6] = bf0[6];
1224
6.95M
  bf1[7] = bf0[7];
1225
6.95M
  bf1[8] = bf0[8];
1226
6.95M
  bf1[9] = bf0[9];
1227
6.95M
  bf1[10] = bf0[10];
1228
6.95M
  bf1[11] = bf0[11];
1229
6.95M
  bf1[12] = bf0[12];
1230
6.95M
  bf1[13] = bf0[13];
1231
6.95M
  bf1[14] = bf0[14];
1232
6.95M
  bf1[15] = bf0[15];
1233
6.95M
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit);
1234
6.95M
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit);
1235
6.95M
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit);
1236
6.95M
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit);
1237
6.95M
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit);
1238
6.95M
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit);
1239
6.95M
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit);
1240
6.95M
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit);
1241
6.95M
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit);
1242
6.95M
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit);
1243
6.95M
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit);
1244
6.95M
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit);
1245
6.95M
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit);
1246
6.95M
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit);
1247
6.95M
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit);
1248
6.95M
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit);
1249
6.95M
  bf1[32] = clamp_value(bf0[32] + bf0[33], stage_range[stage]);
1250
6.95M
  bf1[33] = clamp_value(bf0[32] - bf0[33], stage_range[stage]);
1251
6.95M
  bf1[34] = clamp_value(-bf0[34] + bf0[35], stage_range[stage]);
1252
6.95M
  bf1[35] = clamp_value(bf0[34] + bf0[35], stage_range[stage]);
1253
6.95M
  bf1[36] = clamp_value(bf0[36] + bf0[37], stage_range[stage]);
1254
6.95M
  bf1[37] = clamp_value(bf0[36] - bf0[37], stage_range[stage]);
1255
6.95M
  bf1[38] = clamp_value(-bf0[38] + bf0[39], stage_range[stage]);
1256
6.95M
  bf1[39] = clamp_value(bf0[38] + bf0[39], stage_range[stage]);
1257
6.95M
  bf1[40] = clamp_value(bf0[40] + bf0[41], stage_range[stage]);
1258
6.95M
  bf1[41] = clamp_value(bf0[40] - bf0[41], stage_range[stage]);
1259
6.95M
  bf1[42] = clamp_value(-bf0[42] + bf0[43], stage_range[stage]);
1260
6.95M
  bf1[43] = clamp_value(bf0[42] + bf0[43], stage_range[stage]);
1261
6.95M
  bf1[44] = clamp_value(bf0[44] + bf0[45], stage_range[stage]);
1262
6.95M
  bf1[45] = clamp_value(bf0[44] - bf0[45], stage_range[stage]);
1263
6.95M
  bf1[46] = clamp_value(-bf0[46] + bf0[47], stage_range[stage]);
1264
6.95M
  bf1[47] = clamp_value(bf0[46] + bf0[47], stage_range[stage]);
1265
6.95M
  bf1[48] = clamp_value(bf0[48] + bf0[49], stage_range[stage]);
1266
6.95M
  bf1[49] = clamp_value(bf0[48] - bf0[49], stage_range[stage]);
1267
6.95M
  bf1[50] = clamp_value(-bf0[50] + bf0[51], stage_range[stage]);
1268
6.95M
  bf1[51] = clamp_value(bf0[50] + bf0[51], stage_range[stage]);
1269
6.95M
  bf1[52] = clamp_value(bf0[52] + bf0[53], stage_range[stage]);
1270
6.95M
  bf1[53] = clamp_value(bf0[52] - bf0[53], stage_range[stage]);
1271
6.95M
  bf1[54] = clamp_value(-bf0[54] + bf0[55], stage_range[stage]);
1272
6.95M
  bf1[55] = clamp_value(bf0[54] + bf0[55], stage_range[stage]);
1273
6.95M
  bf1[56] = clamp_value(bf0[56] + bf0[57], stage_range[stage]);
1274
6.95M
  bf1[57] = clamp_value(bf0[56] - bf0[57], stage_range[stage]);
1275
6.95M
  bf1[58] = clamp_value(-bf0[58] + bf0[59], stage_range[stage]);
1276
6.95M
  bf1[59] = clamp_value(bf0[58] + bf0[59], stage_range[stage]);
1277
6.95M
  bf1[60] = clamp_value(bf0[60] + bf0[61], stage_range[stage]);
1278
6.95M
  bf1[61] = clamp_value(bf0[60] - bf0[61], stage_range[stage]);
1279
6.95M
  bf1[62] = clamp_value(-bf0[62] + bf0[63], stage_range[stage]);
1280
6.95M
  bf1[63] = clamp_value(bf0[62] + bf0[63], stage_range[stage]);
1281
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1282
1283
  // stage 4
1284
6.95M
  stage++;
1285
6.95M
  bf0 = output;
1286
6.95M
  bf1 = step;
1287
6.95M
  bf1[0] = bf0[0];
1288
6.95M
  bf1[1] = bf0[1];
1289
6.95M
  bf1[2] = bf0[2];
1290
6.95M
  bf1[3] = bf0[3];
1291
6.95M
  bf1[4] = bf0[4];
1292
6.95M
  bf1[5] = bf0[5];
1293
6.95M
  bf1[6] = bf0[6];
1294
6.95M
  bf1[7] = bf0[7];
1295
6.95M
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
1296
6.95M
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
1297
6.95M
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
1298
6.95M
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
1299
6.95M
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
1300
6.95M
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
1301
6.95M
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
1302
6.95M
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
1303
6.95M
  bf1[16] = clamp_value(bf0[16] + bf0[17], stage_range[stage]);
1304
6.95M
  bf1[17] = clamp_value(bf0[16] - bf0[17], stage_range[stage]);
1305
6.95M
  bf1[18] = clamp_value(-bf0[18] + bf0[19], stage_range[stage]);
1306
6.95M
  bf1[19] = clamp_value(bf0[18] + bf0[19], stage_range[stage]);
1307
6.95M
  bf1[20] = clamp_value(bf0[20] + bf0[21], stage_range[stage]);
1308
6.95M
  bf1[21] = clamp_value(bf0[20] - bf0[21], stage_range[stage]);
1309
6.95M
  bf1[22] = clamp_value(-bf0[22] + bf0[23], stage_range[stage]);
1310
6.95M
  bf1[23] = clamp_value(bf0[22] + bf0[23], stage_range[stage]);
1311
6.95M
  bf1[24] = clamp_value(bf0[24] + bf0[25], stage_range[stage]);
1312
6.95M
  bf1[25] = clamp_value(bf0[24] - bf0[25], stage_range[stage]);
1313
6.95M
  bf1[26] = clamp_value(-bf0[26] + bf0[27], stage_range[stage]);
1314
6.95M
  bf1[27] = clamp_value(bf0[26] + bf0[27], stage_range[stage]);
1315
6.95M
  bf1[28] = clamp_value(bf0[28] + bf0[29], stage_range[stage]);
1316
6.95M
  bf1[29] = clamp_value(bf0[28] - bf0[29], stage_range[stage]);
1317
6.95M
  bf1[30] = clamp_value(-bf0[30] + bf0[31], stage_range[stage]);
1318
6.95M
  bf1[31] = clamp_value(bf0[30] + bf0[31], stage_range[stage]);
1319
6.95M
  bf1[32] = bf0[32];
1320
6.95M
  bf1[33] = half_btf(-cospi[4], bf0[33], cospi[60], bf0[62], cos_bit);
1321
6.95M
  bf1[34] = half_btf(-cospi[60], bf0[34], -cospi[4], bf0[61], cos_bit);
1322
6.95M
  bf1[35] = bf0[35];
1323
6.95M
  bf1[36] = bf0[36];
1324
6.95M
  bf1[37] = half_btf(-cospi[36], bf0[37], cospi[28], bf0[58], cos_bit);
1325
6.95M
  bf1[38] = half_btf(-cospi[28], bf0[38], -cospi[36], bf0[57], cos_bit);
1326
6.95M
  bf1[39] = bf0[39];
1327
6.95M
  bf1[40] = bf0[40];
1328
6.95M
  bf1[41] = half_btf(-cospi[20], bf0[41], cospi[44], bf0[54], cos_bit);
1329
6.95M
  bf1[42] = half_btf(-cospi[44], bf0[42], -cospi[20], bf0[53], cos_bit);
1330
6.95M
  bf1[43] = bf0[43];
1331
6.95M
  bf1[44] = bf0[44];
1332
6.95M
  bf1[45] = half_btf(-cospi[52], bf0[45], cospi[12], bf0[50], cos_bit);
1333
6.95M
  bf1[46] = half_btf(-cospi[12], bf0[46], -cospi[52], bf0[49], cos_bit);
1334
6.95M
  bf1[47] = bf0[47];
1335
6.95M
  bf1[48] = bf0[48];
1336
6.95M
  bf1[49] = half_btf(-cospi[52], bf0[46], cospi[12], bf0[49], cos_bit);
1337
6.95M
  bf1[50] = half_btf(cospi[12], bf0[45], cospi[52], bf0[50], cos_bit);
1338
6.95M
  bf1[51] = bf0[51];
1339
6.95M
  bf1[52] = bf0[52];
1340
6.95M
  bf1[53] = half_btf(-cospi[20], bf0[42], cospi[44], bf0[53], cos_bit);
1341
6.95M
  bf1[54] = half_btf(cospi[44], bf0[41], cospi[20], bf0[54], cos_bit);
1342
6.95M
  bf1[55] = bf0[55];
1343
6.95M
  bf1[56] = bf0[56];
1344
6.95M
  bf1[57] = half_btf(-cospi[36], bf0[38], cospi[28], bf0[57], cos_bit);
1345
6.95M
  bf1[58] = half_btf(cospi[28], bf0[37], cospi[36], bf0[58], cos_bit);
1346
6.95M
  bf1[59] = bf0[59];
1347
6.95M
  bf1[60] = bf0[60];
1348
6.95M
  bf1[61] = half_btf(-cospi[4], bf0[34], cospi[60], bf0[61], cos_bit);
1349
6.95M
  bf1[62] = half_btf(cospi[60], bf0[33], cospi[4], bf0[62], cos_bit);
1350
6.95M
  bf1[63] = bf0[63];
1351
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1352
1353
  // stage 5
1354
6.95M
  stage++;
1355
6.95M
  bf0 = step;
1356
6.95M
  bf1 = output;
1357
6.95M
  bf1[0] = bf0[0];
1358
6.95M
  bf1[1] = bf0[1];
1359
6.95M
  bf1[2] = bf0[2];
1360
6.95M
  bf1[3] = bf0[3];
1361
6.95M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
1362
6.95M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
1363
6.95M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
1364
6.95M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
1365
6.95M
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
1366
6.95M
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
1367
6.95M
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
1368
6.95M
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
1369
6.95M
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
1370
6.95M
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
1371
6.95M
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
1372
6.95M
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
1373
6.95M
  bf1[16] = bf0[16];
1374
6.95M
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit);
1375
6.95M
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit);
1376
6.95M
  bf1[19] = bf0[19];
1377
6.95M
  bf1[20] = bf0[20];
1378
6.95M
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit);
1379
6.95M
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit);
1380
6.95M
  bf1[23] = bf0[23];
1381
6.95M
  bf1[24] = bf0[24];
1382
6.95M
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit);
1383
6.95M
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit);
1384
6.95M
  bf1[27] = bf0[27];
1385
6.95M
  bf1[28] = bf0[28];
1386
6.95M
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit);
1387
6.95M
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit);
1388
6.95M
  bf1[31] = bf0[31];
1389
6.95M
  bf1[32] = clamp_value(bf0[32] + bf0[35], stage_range[stage]);
1390
6.95M
  bf1[33] = clamp_value(bf0[33] + bf0[34], stage_range[stage]);
1391
6.95M
  bf1[34] = clamp_value(bf0[33] - bf0[34], stage_range[stage]);
1392
6.95M
  bf1[35] = clamp_value(bf0[32] - bf0[35], stage_range[stage]);
1393
6.95M
  bf1[36] = clamp_value(-bf0[36] + bf0[39], stage_range[stage]);
1394
6.95M
  bf1[37] = clamp_value(-bf0[37] + bf0[38], stage_range[stage]);
1395
6.95M
  bf1[38] = clamp_value(bf0[37] + bf0[38], stage_range[stage]);
1396
6.95M
  bf1[39] = clamp_value(bf0[36] + bf0[39], stage_range[stage]);
1397
6.95M
  bf1[40] = clamp_value(bf0[40] + bf0[43], stage_range[stage]);
1398
6.95M
  bf1[41] = clamp_value(bf0[41] + bf0[42], stage_range[stage]);
1399
6.95M
  bf1[42] = clamp_value(bf0[41] - bf0[42], stage_range[stage]);
1400
6.95M
  bf1[43] = clamp_value(bf0[40] - bf0[43], stage_range[stage]);
1401
6.95M
  bf1[44] = clamp_value(-bf0[44] + bf0[47], stage_range[stage]);
1402
6.95M
  bf1[45] = clamp_value(-bf0[45] + bf0[46], stage_range[stage]);
1403
6.95M
  bf1[46] = clamp_value(bf0[45] + bf0[46], stage_range[stage]);
1404
6.95M
  bf1[47] = clamp_value(bf0[44] + bf0[47], stage_range[stage]);
1405
6.95M
  bf1[48] = clamp_value(bf0[48] + bf0[51], stage_range[stage]);
1406
6.95M
  bf1[49] = clamp_value(bf0[49] + bf0[50], stage_range[stage]);
1407
6.95M
  bf1[50] = clamp_value(bf0[49] - bf0[50], stage_range[stage]);
1408
6.95M
  bf1[51] = clamp_value(bf0[48] - bf0[51], stage_range[stage]);
1409
6.95M
  bf1[52] = clamp_value(-bf0[52] + bf0[55], stage_range[stage]);
1410
6.95M
  bf1[53] = clamp_value(-bf0[53] + bf0[54], stage_range[stage]);
1411
6.95M
  bf1[54] = clamp_value(bf0[53] + bf0[54], stage_range[stage]);
1412
6.95M
  bf1[55] = clamp_value(bf0[52] + bf0[55], stage_range[stage]);
1413
6.95M
  bf1[56] = clamp_value(bf0[56] + bf0[59], stage_range[stage]);
1414
6.95M
  bf1[57] = clamp_value(bf0[57] + bf0[58], stage_range[stage]);
1415
6.95M
  bf1[58] = clamp_value(bf0[57] - bf0[58], stage_range[stage]);
1416
6.95M
  bf1[59] = clamp_value(bf0[56] - bf0[59], stage_range[stage]);
1417
6.95M
  bf1[60] = clamp_value(-bf0[60] + bf0[63], stage_range[stage]);
1418
6.95M
  bf1[61] = clamp_value(-bf0[61] + bf0[62], stage_range[stage]);
1419
6.95M
  bf1[62] = clamp_value(bf0[61] + bf0[62], stage_range[stage]);
1420
6.95M
  bf1[63] = clamp_value(bf0[60] + bf0[63], stage_range[stage]);
1421
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1422
1423
  // stage 6
1424
6.95M
  stage++;
1425
6.95M
  bf0 = output;
1426
6.95M
  bf1 = step;
1427
6.95M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
1428
6.95M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
1429
6.95M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
1430
6.95M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
1431
6.95M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
1432
6.95M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
1433
6.95M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
1434
6.95M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
1435
6.95M
  bf1[8] = bf0[8];
1436
6.95M
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
1437
6.95M
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
1438
6.95M
  bf1[11] = bf0[11];
1439
6.95M
  bf1[12] = bf0[12];
1440
6.95M
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
1441
6.95M
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
1442
6.95M
  bf1[15] = bf0[15];
1443
6.95M
  bf1[16] = clamp_value(bf0[16] + bf0[19], stage_range[stage]);
1444
6.95M
  bf1[17] = clamp_value(bf0[17] + bf0[18], stage_range[stage]);
1445
6.95M
  bf1[18] = clamp_value(bf0[17] - bf0[18], stage_range[stage]);
1446
6.95M
  bf1[19] = clamp_value(bf0[16] - bf0[19], stage_range[stage]);
1447
6.95M
  bf1[20] = clamp_value(-bf0[20] + bf0[23], stage_range[stage]);
1448
6.95M
  bf1[21] = clamp_value(-bf0[21] + bf0[22], stage_range[stage]);
1449
6.95M
  bf1[22] = clamp_value(bf0[21] + bf0[22], stage_range[stage]);
1450
6.95M
  bf1[23] = clamp_value(bf0[20] + bf0[23], stage_range[stage]);
1451
6.95M
  bf1[24] = clamp_value(bf0[24] + bf0[27], stage_range[stage]);
1452
6.95M
  bf1[25] = clamp_value(bf0[25] + bf0[26], stage_range[stage]);
1453
6.95M
  bf1[26] = clamp_value(bf0[25] - bf0[26], stage_range[stage]);
1454
6.95M
  bf1[27] = clamp_value(bf0[24] - bf0[27], stage_range[stage]);
1455
6.95M
  bf1[28] = clamp_value(-bf0[28] + bf0[31], stage_range[stage]);
1456
6.95M
  bf1[29] = clamp_value(-bf0[29] + bf0[30], stage_range[stage]);
1457
6.95M
  bf1[30] = clamp_value(bf0[29] + bf0[30], stage_range[stage]);
1458
6.95M
  bf1[31] = clamp_value(bf0[28] + bf0[31], stage_range[stage]);
1459
6.95M
  bf1[32] = bf0[32];
1460
6.95M
  bf1[33] = bf0[33];
1461
6.95M
  bf1[34] = half_btf(-cospi[8], bf0[34], cospi[56], bf0[61], cos_bit);
1462
6.95M
  bf1[35] = half_btf(-cospi[8], bf0[35], cospi[56], bf0[60], cos_bit);
1463
6.95M
  bf1[36] = half_btf(-cospi[56], bf0[36], -cospi[8], bf0[59], cos_bit);
1464
6.95M
  bf1[37] = half_btf(-cospi[56], bf0[37], -cospi[8], bf0[58], cos_bit);
1465
6.95M
  bf1[38] = bf0[38];
1466
6.95M
  bf1[39] = bf0[39];
1467
6.95M
  bf1[40] = bf0[40];
1468
6.95M
  bf1[41] = bf0[41];
1469
6.95M
  bf1[42] = half_btf(-cospi[40], bf0[42], cospi[24], bf0[53], cos_bit);
1470
6.95M
  bf1[43] = half_btf(-cospi[40], bf0[43], cospi[24], bf0[52], cos_bit);
1471
6.95M
  bf1[44] = half_btf(-cospi[24], bf0[44], -cospi[40], bf0[51], cos_bit);
1472
6.95M
  bf1[45] = half_btf(-cospi[24], bf0[45], -cospi[40], bf0[50], cos_bit);
1473
6.95M
  bf1[46] = bf0[46];
1474
6.95M
  bf1[47] = bf0[47];
1475
6.95M
  bf1[48] = bf0[48];
1476
6.95M
  bf1[49] = bf0[49];
1477
6.95M
  bf1[50] = half_btf(-cospi[40], bf0[45], cospi[24], bf0[50], cos_bit);
1478
6.95M
  bf1[51] = half_btf(-cospi[40], bf0[44], cospi[24], bf0[51], cos_bit);
1479
6.95M
  bf1[52] = half_btf(cospi[24], bf0[43], cospi[40], bf0[52], cos_bit);
1480
6.95M
  bf1[53] = half_btf(cospi[24], bf0[42], cospi[40], bf0[53], cos_bit);
1481
6.95M
  bf1[54] = bf0[54];
1482
6.95M
  bf1[55] = bf0[55];
1483
6.95M
  bf1[56] = bf0[56];
1484
6.95M
  bf1[57] = bf0[57];
1485
6.95M
  bf1[58] = half_btf(-cospi[8], bf0[37], cospi[56], bf0[58], cos_bit);
1486
6.95M
  bf1[59] = half_btf(-cospi[8], bf0[36], cospi[56], bf0[59], cos_bit);
1487
6.95M
  bf1[60] = half_btf(cospi[56], bf0[35], cospi[8], bf0[60], cos_bit);
1488
6.95M
  bf1[61] = half_btf(cospi[56], bf0[34], cospi[8], bf0[61], cos_bit);
1489
6.95M
  bf1[62] = bf0[62];
1490
6.95M
  bf1[63] = bf0[63];
1491
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1492
1493
  // stage 7
1494
6.95M
  stage++;
1495
6.95M
  bf0 = step;
1496
6.95M
  bf1 = output;
1497
6.95M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
1498
6.95M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
1499
6.95M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
1500
6.95M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
1501
6.95M
  bf1[4] = bf0[4];
1502
6.95M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
1503
6.95M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
1504
6.95M
  bf1[7] = bf0[7];
1505
6.95M
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
1506
6.95M
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
1507
6.95M
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
1508
6.95M
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
1509
6.95M
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
1510
6.95M
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
1511
6.95M
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
1512
6.95M
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
1513
6.95M
  bf1[16] = bf0[16];
1514
6.95M
  bf1[17] = bf0[17];
1515
6.95M
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit);
1516
6.95M
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit);
1517
6.95M
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit);
1518
6.95M
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit);
1519
6.95M
  bf1[22] = bf0[22];
1520
6.95M
  bf1[23] = bf0[23];
1521
6.95M
  bf1[24] = bf0[24];
1522
6.95M
  bf1[25] = bf0[25];
1523
6.95M
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit);
1524
6.95M
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit);
1525
6.95M
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit);
1526
6.95M
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit);
1527
6.95M
  bf1[30] = bf0[30];
1528
6.95M
  bf1[31] = bf0[31];
1529
6.95M
  bf1[32] = clamp_value(bf0[32] + bf0[39], stage_range[stage]);
1530
6.95M
  bf1[33] = clamp_value(bf0[33] + bf0[38], stage_range[stage]);
1531
6.95M
  bf1[34] = clamp_value(bf0[34] + bf0[37], stage_range[stage]);
1532
6.95M
  bf1[35] = clamp_value(bf0[35] + bf0[36], stage_range[stage]);
1533
6.95M
  bf1[36] = clamp_value(bf0[35] - bf0[36], stage_range[stage]);
1534
6.95M
  bf1[37] = clamp_value(bf0[34] - bf0[37], stage_range[stage]);
1535
6.95M
  bf1[38] = clamp_value(bf0[33] - bf0[38], stage_range[stage]);
1536
6.95M
  bf1[39] = clamp_value(bf0[32] - bf0[39], stage_range[stage]);
1537
6.95M
  bf1[40] = clamp_value(-bf0[40] + bf0[47], stage_range[stage]);
1538
6.95M
  bf1[41] = clamp_value(-bf0[41] + bf0[46], stage_range[stage]);
1539
6.95M
  bf1[42] = clamp_value(-bf0[42] + bf0[45], stage_range[stage]);
1540
6.95M
  bf1[43] = clamp_value(-bf0[43] + bf0[44], stage_range[stage]);
1541
6.95M
  bf1[44] = clamp_value(bf0[43] + bf0[44], stage_range[stage]);
1542
6.95M
  bf1[45] = clamp_value(bf0[42] + bf0[45], stage_range[stage]);
1543
6.95M
  bf1[46] = clamp_value(bf0[41] + bf0[46], stage_range[stage]);
1544
6.95M
  bf1[47] = clamp_value(bf0[40] + bf0[47], stage_range[stage]);
1545
6.95M
  bf1[48] = clamp_value(bf0[48] + bf0[55], stage_range[stage]);
1546
6.95M
  bf1[49] = clamp_value(bf0[49] + bf0[54], stage_range[stage]);
1547
6.95M
  bf1[50] = clamp_value(bf0[50] + bf0[53], stage_range[stage]);
1548
6.95M
  bf1[51] = clamp_value(bf0[51] + bf0[52], stage_range[stage]);
1549
6.95M
  bf1[52] = clamp_value(bf0[51] - bf0[52], stage_range[stage]);
1550
6.95M
  bf1[53] = clamp_value(bf0[50] - bf0[53], stage_range[stage]);
1551
6.95M
  bf1[54] = clamp_value(bf0[49] - bf0[54], stage_range[stage]);
1552
6.95M
  bf1[55] = clamp_value(bf0[48] - bf0[55], stage_range[stage]);
1553
6.95M
  bf1[56] = clamp_value(-bf0[56] + bf0[63], stage_range[stage]);
1554
6.95M
  bf1[57] = clamp_value(-bf0[57] + bf0[62], stage_range[stage]);
1555
6.95M
  bf1[58] = clamp_value(-bf0[58] + bf0[61], stage_range[stage]);
1556
6.95M
  bf1[59] = clamp_value(-bf0[59] + bf0[60], stage_range[stage]);
1557
6.95M
  bf1[60] = clamp_value(bf0[59] + bf0[60], stage_range[stage]);
1558
6.95M
  bf1[61] = clamp_value(bf0[58] + bf0[61], stage_range[stage]);
1559
6.95M
  bf1[62] = clamp_value(bf0[57] + bf0[62], stage_range[stage]);
1560
6.95M
  bf1[63] = clamp_value(bf0[56] + bf0[63], stage_range[stage]);
1561
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1562
1563
  // stage 8
1564
6.95M
  stage++;
1565
6.95M
  bf0 = output;
1566
6.95M
  bf1 = step;
1567
6.95M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
1568
6.95M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
1569
6.95M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
1570
6.95M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
1571
6.95M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
1572
6.95M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
1573
6.95M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
1574
6.95M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
1575
6.95M
  bf1[8] = bf0[8];
1576
6.95M
  bf1[9] = bf0[9];
1577
6.95M
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
1578
6.95M
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
1579
6.95M
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
1580
6.95M
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
1581
6.95M
  bf1[14] = bf0[14];
1582
6.95M
  bf1[15] = bf0[15];
1583
6.95M
  bf1[16] = clamp_value(bf0[16] + bf0[23], stage_range[stage]);
1584
6.95M
  bf1[17] = clamp_value(bf0[17] + bf0[22], stage_range[stage]);
1585
6.95M
  bf1[18] = clamp_value(bf0[18] + bf0[21], stage_range[stage]);
1586
6.95M
  bf1[19] = clamp_value(bf0[19] + bf0[20], stage_range[stage]);
1587
6.95M
  bf1[20] = clamp_value(bf0[19] - bf0[20], stage_range[stage]);
1588
6.95M
  bf1[21] = clamp_value(bf0[18] - bf0[21], stage_range[stage]);
1589
6.95M
  bf1[22] = clamp_value(bf0[17] - bf0[22], stage_range[stage]);
1590
6.95M
  bf1[23] = clamp_value(bf0[16] - bf0[23], stage_range[stage]);
1591
6.95M
  bf1[24] = clamp_value(-bf0[24] + bf0[31], stage_range[stage]);
1592
6.95M
  bf1[25] = clamp_value(-bf0[25] + bf0[30], stage_range[stage]);
1593
6.95M
  bf1[26] = clamp_value(-bf0[26] + bf0[29], stage_range[stage]);
1594
6.95M
  bf1[27] = clamp_value(-bf0[27] + bf0[28], stage_range[stage]);
1595
6.95M
  bf1[28] = clamp_value(bf0[27] + bf0[28], stage_range[stage]);
1596
6.95M
  bf1[29] = clamp_value(bf0[26] + bf0[29], stage_range[stage]);
1597
6.95M
  bf1[30] = clamp_value(bf0[25] + bf0[30], stage_range[stage]);
1598
6.95M
  bf1[31] = clamp_value(bf0[24] + bf0[31], stage_range[stage]);
1599
6.95M
  bf1[32] = bf0[32];
1600
6.95M
  bf1[33] = bf0[33];
1601
6.95M
  bf1[34] = bf0[34];
1602
6.95M
  bf1[35] = bf0[35];
1603
6.95M
  bf1[36] = half_btf(-cospi[16], bf0[36], cospi[48], bf0[59], cos_bit);
1604
6.95M
  bf1[37] = half_btf(-cospi[16], bf0[37], cospi[48], bf0[58], cos_bit);
1605
6.95M
  bf1[38] = half_btf(-cospi[16], bf0[38], cospi[48], bf0[57], cos_bit);
1606
6.95M
  bf1[39] = half_btf(-cospi[16], bf0[39], cospi[48], bf0[56], cos_bit);
1607
6.95M
  bf1[40] = half_btf(-cospi[48], bf0[40], -cospi[16], bf0[55], cos_bit);
1608
6.95M
  bf1[41] = half_btf(-cospi[48], bf0[41], -cospi[16], bf0[54], cos_bit);
1609
6.95M
  bf1[42] = half_btf(-cospi[48], bf0[42], -cospi[16], bf0[53], cos_bit);
1610
6.95M
  bf1[43] = half_btf(-cospi[48], bf0[43], -cospi[16], bf0[52], cos_bit);
1611
6.95M
  bf1[44] = bf0[44];
1612
6.95M
  bf1[45] = bf0[45];
1613
6.95M
  bf1[46] = bf0[46];
1614
6.95M
  bf1[47] = bf0[47];
1615
6.95M
  bf1[48] = bf0[48];
1616
6.95M
  bf1[49] = bf0[49];
1617
6.95M
  bf1[50] = bf0[50];
1618
6.95M
  bf1[51] = bf0[51];
1619
6.95M
  bf1[52] = half_btf(-cospi[16], bf0[43], cospi[48], bf0[52], cos_bit);
1620
6.95M
  bf1[53] = half_btf(-cospi[16], bf0[42], cospi[48], bf0[53], cos_bit);
1621
6.95M
  bf1[54] = half_btf(-cospi[16], bf0[41], cospi[48], bf0[54], cos_bit);
1622
6.95M
  bf1[55] = half_btf(-cospi[16], bf0[40], cospi[48], bf0[55], cos_bit);
1623
6.95M
  bf1[56] = half_btf(cospi[48], bf0[39], cospi[16], bf0[56], cos_bit);
1624
6.95M
  bf1[57] = half_btf(cospi[48], bf0[38], cospi[16], bf0[57], cos_bit);
1625
6.95M
  bf1[58] = half_btf(cospi[48], bf0[37], cospi[16], bf0[58], cos_bit);
1626
6.95M
  bf1[59] = half_btf(cospi[48], bf0[36], cospi[16], bf0[59], cos_bit);
1627
6.95M
  bf1[60] = bf0[60];
1628
6.95M
  bf1[61] = bf0[61];
1629
6.95M
  bf1[62] = bf0[62];
1630
6.95M
  bf1[63] = bf0[63];
1631
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1632
1633
  // stage 9
1634
6.95M
  stage++;
1635
6.95M
  bf0 = step;
1636
6.95M
  bf1 = output;
1637
6.95M
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
1638
6.95M
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
1639
6.95M
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
1640
6.95M
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
1641
6.95M
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
1642
6.95M
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
1643
6.95M
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
1644
6.95M
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
1645
6.95M
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
1646
6.95M
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
1647
6.95M
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
1648
6.95M
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
1649
6.95M
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
1650
6.95M
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
1651
6.95M
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
1652
6.95M
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
1653
6.95M
  bf1[16] = bf0[16];
1654
6.95M
  bf1[17] = bf0[17];
1655
6.95M
  bf1[18] = bf0[18];
1656
6.95M
  bf1[19] = bf0[19];
1657
6.95M
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
1658
6.95M
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
1659
6.95M
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
1660
6.95M
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
1661
6.95M
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
1662
6.95M
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
1663
6.95M
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
1664
6.95M
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
1665
6.95M
  bf1[28] = bf0[28];
1666
6.95M
  bf1[29] = bf0[29];
1667
6.95M
  bf1[30] = bf0[30];
1668
6.95M
  bf1[31] = bf0[31];
1669
6.95M
  bf1[32] = clamp_value(bf0[32] + bf0[47], stage_range[stage]);
1670
6.95M
  bf1[33] = clamp_value(bf0[33] + bf0[46], stage_range[stage]);
1671
6.95M
  bf1[34] = clamp_value(bf0[34] + bf0[45], stage_range[stage]);
1672
6.95M
  bf1[35] = clamp_value(bf0[35] + bf0[44], stage_range[stage]);
1673
6.95M
  bf1[36] = clamp_value(bf0[36] + bf0[43], stage_range[stage]);
1674
6.95M
  bf1[37] = clamp_value(bf0[37] + bf0[42], stage_range[stage]);
1675
6.95M
  bf1[38] = clamp_value(bf0[38] + bf0[41], stage_range[stage]);
1676
6.95M
  bf1[39] = clamp_value(bf0[39] + bf0[40], stage_range[stage]);
1677
6.95M
  bf1[40] = clamp_value(bf0[39] - bf0[40], stage_range[stage]);
1678
6.95M
  bf1[41] = clamp_value(bf0[38] - bf0[41], stage_range[stage]);
1679
6.95M
  bf1[42] = clamp_value(bf0[37] - bf0[42], stage_range[stage]);
1680
6.95M
  bf1[43] = clamp_value(bf0[36] - bf0[43], stage_range[stage]);
1681
6.95M
  bf1[44] = clamp_value(bf0[35] - bf0[44], stage_range[stage]);
1682
6.95M
  bf1[45] = clamp_value(bf0[34] - bf0[45], stage_range[stage]);
1683
6.95M
  bf1[46] = clamp_value(bf0[33] - bf0[46], stage_range[stage]);
1684
6.95M
  bf1[47] = clamp_value(bf0[32] - bf0[47], stage_range[stage]);
1685
6.95M
  bf1[48] = clamp_value(-bf0[48] + bf0[63], stage_range[stage]);
1686
6.95M
  bf1[49] = clamp_value(-bf0[49] + bf0[62], stage_range[stage]);
1687
6.95M
  bf1[50] = clamp_value(-bf0[50] + bf0[61], stage_range[stage]);
1688
6.95M
  bf1[51] = clamp_value(-bf0[51] + bf0[60], stage_range[stage]);
1689
6.95M
  bf1[52] = clamp_value(-bf0[52] + bf0[59], stage_range[stage]);
1690
6.95M
  bf1[53] = clamp_value(-bf0[53] + bf0[58], stage_range[stage]);
1691
6.95M
  bf1[54] = clamp_value(-bf0[54] + bf0[57], stage_range[stage]);
1692
6.95M
  bf1[55] = clamp_value(-bf0[55] + bf0[56], stage_range[stage]);
1693
6.95M
  bf1[56] = clamp_value(bf0[55] + bf0[56], stage_range[stage]);
1694
6.95M
  bf1[57] = clamp_value(bf0[54] + bf0[57], stage_range[stage]);
1695
6.95M
  bf1[58] = clamp_value(bf0[53] + bf0[58], stage_range[stage]);
1696
6.95M
  bf1[59] = clamp_value(bf0[52] + bf0[59], stage_range[stage]);
1697
6.95M
  bf1[60] = clamp_value(bf0[51] + bf0[60], stage_range[stage]);
1698
6.95M
  bf1[61] = clamp_value(bf0[50] + bf0[61], stage_range[stage]);
1699
6.95M
  bf1[62] = clamp_value(bf0[49] + bf0[62], stage_range[stage]);
1700
6.95M
  bf1[63] = clamp_value(bf0[48] + bf0[63], stage_range[stage]);
1701
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1702
1703
  // stage 10
1704
6.95M
  stage++;
1705
6.95M
  bf0 = output;
1706
6.95M
  bf1 = step;
1707
6.95M
  bf1[0] = clamp_value(bf0[0] + bf0[31], stage_range[stage]);
1708
6.95M
  bf1[1] = clamp_value(bf0[1] + bf0[30], stage_range[stage]);
1709
6.95M
  bf1[2] = clamp_value(bf0[2] + bf0[29], stage_range[stage]);
1710
6.95M
  bf1[3] = clamp_value(bf0[3] + bf0[28], stage_range[stage]);
1711
6.95M
  bf1[4] = clamp_value(bf0[4] + bf0[27], stage_range[stage]);
1712
6.95M
  bf1[5] = clamp_value(bf0[5] + bf0[26], stage_range[stage]);
1713
6.95M
  bf1[6] = clamp_value(bf0[6] + bf0[25], stage_range[stage]);
1714
6.95M
  bf1[7] = clamp_value(bf0[7] + bf0[24], stage_range[stage]);
1715
6.95M
  bf1[8] = clamp_value(bf0[8] + bf0[23], stage_range[stage]);
1716
6.95M
  bf1[9] = clamp_value(bf0[9] + bf0[22], stage_range[stage]);
1717
6.95M
  bf1[10] = clamp_value(bf0[10] + bf0[21], stage_range[stage]);
1718
6.95M
  bf1[11] = clamp_value(bf0[11] + bf0[20], stage_range[stage]);
1719
6.95M
  bf1[12] = clamp_value(bf0[12] + bf0[19], stage_range[stage]);
1720
6.95M
  bf1[13] = clamp_value(bf0[13] + bf0[18], stage_range[stage]);
1721
6.95M
  bf1[14] = clamp_value(bf0[14] + bf0[17], stage_range[stage]);
1722
6.95M
  bf1[15] = clamp_value(bf0[15] + bf0[16], stage_range[stage]);
1723
6.95M
  bf1[16] = clamp_value(bf0[15] - bf0[16], stage_range[stage]);
1724
6.95M
  bf1[17] = clamp_value(bf0[14] - bf0[17], stage_range[stage]);
1725
6.95M
  bf1[18] = clamp_value(bf0[13] - bf0[18], stage_range[stage]);
1726
6.95M
  bf1[19] = clamp_value(bf0[12] - bf0[19], stage_range[stage]);
1727
6.95M
  bf1[20] = clamp_value(bf0[11] - bf0[20], stage_range[stage]);
1728
6.95M
  bf1[21] = clamp_value(bf0[10] - bf0[21], stage_range[stage]);
1729
6.95M
  bf1[22] = clamp_value(bf0[9] - bf0[22], stage_range[stage]);
1730
6.95M
  bf1[23] = clamp_value(bf0[8] - bf0[23], stage_range[stage]);
1731
6.95M
  bf1[24] = clamp_value(bf0[7] - bf0[24], stage_range[stage]);
1732
6.95M
  bf1[25] = clamp_value(bf0[6] - bf0[25], stage_range[stage]);
1733
6.95M
  bf1[26] = clamp_value(bf0[5] - bf0[26], stage_range[stage]);
1734
6.95M
  bf1[27] = clamp_value(bf0[4] - bf0[27], stage_range[stage]);
1735
6.95M
  bf1[28] = clamp_value(bf0[3] - bf0[28], stage_range[stage]);
1736
6.95M
  bf1[29] = clamp_value(bf0[2] - bf0[29], stage_range[stage]);
1737
6.95M
  bf1[30] = clamp_value(bf0[1] - bf0[30], stage_range[stage]);
1738
6.95M
  bf1[31] = clamp_value(bf0[0] - bf0[31], stage_range[stage]);
1739
6.95M
  bf1[32] = bf0[32];
1740
6.95M
  bf1[33] = bf0[33];
1741
6.95M
  bf1[34] = bf0[34];
1742
6.95M
  bf1[35] = bf0[35];
1743
6.95M
  bf1[36] = bf0[36];
1744
6.95M
  bf1[37] = bf0[37];
1745
6.95M
  bf1[38] = bf0[38];
1746
6.95M
  bf1[39] = bf0[39];
1747
6.95M
  bf1[40] = half_btf(-cospi[32], bf0[40], cospi[32], bf0[55], cos_bit);
1748
6.95M
  bf1[41] = half_btf(-cospi[32], bf0[41], cospi[32], bf0[54], cos_bit);
1749
6.95M
  bf1[42] = half_btf(-cospi[32], bf0[42], cospi[32], bf0[53], cos_bit);
1750
6.95M
  bf1[43] = half_btf(-cospi[32], bf0[43], cospi[32], bf0[52], cos_bit);
1751
6.95M
  bf1[44] = half_btf(-cospi[32], bf0[44], cospi[32], bf0[51], cos_bit);
1752
6.95M
  bf1[45] = half_btf(-cospi[32], bf0[45], cospi[32], bf0[50], cos_bit);
1753
6.95M
  bf1[46] = half_btf(-cospi[32], bf0[46], cospi[32], bf0[49], cos_bit);
1754
6.95M
  bf1[47] = half_btf(-cospi[32], bf0[47], cospi[32], bf0[48], cos_bit);
1755
6.95M
  bf1[48] = half_btf(cospi[32], bf0[47], cospi[32], bf0[48], cos_bit);
1756
6.95M
  bf1[49] = half_btf(cospi[32], bf0[46], cospi[32], bf0[49], cos_bit);
1757
6.95M
  bf1[50] = half_btf(cospi[32], bf0[45], cospi[32], bf0[50], cos_bit);
1758
6.95M
  bf1[51] = half_btf(cospi[32], bf0[44], cospi[32], bf0[51], cos_bit);
1759
6.95M
  bf1[52] = half_btf(cospi[32], bf0[43], cospi[32], bf0[52], cos_bit);
1760
6.95M
  bf1[53] = half_btf(cospi[32], bf0[42], cospi[32], bf0[53], cos_bit);
1761
6.95M
  bf1[54] = half_btf(cospi[32], bf0[41], cospi[32], bf0[54], cos_bit);
1762
6.95M
  bf1[55] = half_btf(cospi[32], bf0[40], cospi[32], bf0[55], cos_bit);
1763
6.95M
  bf1[56] = bf0[56];
1764
6.95M
  bf1[57] = bf0[57];
1765
6.95M
  bf1[58] = bf0[58];
1766
6.95M
  bf1[59] = bf0[59];
1767
6.95M
  bf1[60] = bf0[60];
1768
6.95M
  bf1[61] = bf0[61];
1769
6.95M
  bf1[62] = bf0[62];
1770
6.95M
  bf1[63] = bf0[63];
1771
6.95M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1772
1773
  // stage 11
1774
6.95M
  stage++;
1775
6.95M
  bf0 = step;
1776
6.95M
  bf1 = output;
1777
6.95M
  bf1[0] = clamp_value(bf0[0] + bf0[63], stage_range[stage]);
1778
6.95M
  bf1[1] = clamp_value(bf0[1] + bf0[62], stage_range[stage]);
1779
6.95M
  bf1[2] = clamp_value(bf0[2] + bf0[61], stage_range[stage]);
1780
6.95M
  bf1[3] = clamp_value(bf0[3] + bf0[60], stage_range[stage]);
1781
6.95M
  bf1[4] = clamp_value(bf0[4] + bf0[59], stage_range[stage]);
1782
6.95M
  bf1[5] = clamp_value(bf0[5] + bf0[58], stage_range[stage]);
1783
6.95M
  bf1[6] = clamp_value(bf0[6] + bf0[57], stage_range[stage]);
1784
6.95M
  bf1[7] = clamp_value(bf0[7] + bf0[56], stage_range[stage]);
1785
6.95M
  bf1[8] = clamp_value(bf0[8] + bf0[55], stage_range[stage]);
1786
6.95M
  bf1[9] = clamp_value(bf0[9] + bf0[54], stage_range[stage]);
1787
6.95M
  bf1[10] = clamp_value(bf0[10] + bf0[53], stage_range[stage]);
1788
6.95M
  bf1[11] = clamp_value(bf0[11] + bf0[52], stage_range[stage]);
1789
6.95M
  bf1[12] = clamp_value(bf0[12] + bf0[51], stage_range[stage]);
1790
6.95M
  bf1[13] = clamp_value(bf0[13] + bf0[50], stage_range[stage]);
1791
6.95M
  bf1[14] = clamp_value(bf0[14] + bf0[49], stage_range[stage]);
1792
6.95M
  bf1[15] = clamp_value(bf0[15] + bf0[48], stage_range[stage]);
1793
6.95M
  bf1[16] = clamp_value(bf0[16] + bf0[47], stage_range[stage]);
1794
6.95M
  bf1[17] = clamp_value(bf0[17] + bf0[46], stage_range[stage]);
1795
6.95M
  bf1[18] = clamp_value(bf0[18] + bf0[45], stage_range[stage]);
1796
6.95M
  bf1[19] = clamp_value(bf0[19] + bf0[44], stage_range[stage]);
1797
6.95M
  bf1[20] = clamp_value(bf0[20] + bf0[43], stage_range[stage]);
1798
6.95M
  bf1[21] = clamp_value(bf0[21] + bf0[42], stage_range[stage]);
1799
6.95M
  bf1[22] = clamp_value(bf0[22] + bf0[41], stage_range[stage]);
1800
6.95M
  bf1[23] = clamp_value(bf0[23] + bf0[40], stage_range[stage]);
1801
6.95M
  bf1[24] = clamp_value(bf0[24] + bf0[39], stage_range[stage]);
1802
6.95M
  bf1[25] = clamp_value(bf0[25] + bf0[38], stage_range[stage]);
1803
6.95M
  bf1[26] = clamp_value(bf0[26] + bf0[37], stage_range[stage]);
1804
6.95M
  bf1[27] = clamp_value(bf0[27] + bf0[36], stage_range[stage]);
1805
6.95M
  bf1[28] = clamp_value(bf0[28] + bf0[35], stage_range[stage]);
1806
6.95M
  bf1[29] = clamp_value(bf0[29] + bf0[34], stage_range[stage]);
1807
6.95M
  bf1[30] = clamp_value(bf0[30] + bf0[33], stage_range[stage]);
1808
6.95M
  bf1[31] = clamp_value(bf0[31] + bf0[32], stage_range[stage]);
1809
6.95M
  bf1[32] = clamp_value(bf0[31] - bf0[32], stage_range[stage]);
1810
6.95M
  bf1[33] = clamp_value(bf0[30] - bf0[33], stage_range[stage]);
1811
6.95M
  bf1[34] = clamp_value(bf0[29] - bf0[34], stage_range[stage]);
1812
6.95M
  bf1[35] = clamp_value(bf0[28] - bf0[35], stage_range[stage]);
1813
6.95M
  bf1[36] = clamp_value(bf0[27] - bf0[36], stage_range[stage]);
1814
6.95M
  bf1[37] = clamp_value(bf0[26] - bf0[37], stage_range[stage]);
1815
6.95M
  bf1[38] = clamp_value(bf0[25] - bf0[38], stage_range[stage]);
1816
6.95M
  bf1[39] = clamp_value(bf0[24] - bf0[39], stage_range[stage]);
1817
6.95M
  bf1[40] = clamp_value(bf0[23] - bf0[40], stage_range[stage]);
1818
6.95M
  bf1[41] = clamp_value(bf0[22] - bf0[41], stage_range[stage]);
1819
6.95M
  bf1[42] = clamp_value(bf0[21] - bf0[42], stage_range[stage]);
1820
6.95M
  bf1[43] = clamp_value(bf0[20] - bf0[43], stage_range[stage]);
1821
6.95M
  bf1[44] = clamp_value(bf0[19] - bf0[44], stage_range[stage]);
1822
6.95M
  bf1[45] = clamp_value(bf0[18] - bf0[45], stage_range[stage]);
1823
6.95M
  bf1[46] = clamp_value(bf0[17] - bf0[46], stage_range[stage]);
1824
6.95M
  bf1[47] = clamp_value(bf0[16] - bf0[47], stage_range[stage]);
1825
6.95M
  bf1[48] = clamp_value(bf0[15] - bf0[48], stage_range[stage]);
1826
6.95M
  bf1[49] = clamp_value(bf0[14] - bf0[49], stage_range[stage]);
1827
6.95M
  bf1[50] = clamp_value(bf0[13] - bf0[50], stage_range[stage]);
1828
6.95M
  bf1[51] = clamp_value(bf0[12] - bf0[51], stage_range[stage]);
1829
6.95M
  bf1[52] = clamp_value(bf0[11] - bf0[52], stage_range[stage]);
1830
6.95M
  bf1[53] = clamp_value(bf0[10] - bf0[53], stage_range[stage]);
1831
6.95M
  bf1[54] = clamp_value(bf0[9] - bf0[54], stage_range[stage]);
1832
6.95M
  bf1[55] = clamp_value(bf0[8] - bf0[55], stage_range[stage]);
1833
6.95M
  bf1[56] = clamp_value(bf0[7] - bf0[56], stage_range[stage]);
1834
6.95M
  bf1[57] = clamp_value(bf0[6] - bf0[57], stage_range[stage]);
1835
6.95M
  bf1[58] = clamp_value(bf0[5] - bf0[58], stage_range[stage]);
1836
6.95M
  bf1[59] = clamp_value(bf0[4] - bf0[59], stage_range[stage]);
1837
6.95M
  bf1[60] = clamp_value(bf0[3] - bf0[60], stage_range[stage]);
1838
6.95M
  bf1[61] = clamp_value(bf0[2] - bf0[61], stage_range[stage]);
1839
6.95M
  bf1[62] = clamp_value(bf0[1] - bf0[62], stage_range[stage]);
1840
6.95M
  bf1[63] = clamp_value(bf0[0] - bf0[63], stage_range[stage]);
1841
6.95M
}