Coverage Report

Created: 2026-04-01 07:24

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/aom/av1/common/av1_inv_txfm1d.c
Line
Count
Source
1
/*
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
3
 *
4
 * This source code is subject to the terms of the BSD 2 Clause License and
5
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6
 * was not distributed with this source code in the LICENSE file, you can
7
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8
 * Media Patent License 1.0 was not distributed with this source code in the
9
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10
 */
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
2.25M
               const int8_t *stage_range) {
18
2.25M
  assert(output != input);
19
2.25M
  const int32_t size = 4;
20
2.25M
  const int32_t *cospi = cospi_arr(cos_bit);
21
22
2.25M
  int32_t stage = 0;
23
2.25M
  int32_t *bf0, *bf1;
24
2.25M
  int32_t step[4];
25
26
  // stage 0;
27
28
  // stage 1;
29
2.25M
  stage++;
30
2.25M
  bf1 = output;
31
2.25M
  bf1[0] = input[0];
32
2.25M
  bf1[1] = input[2];
33
2.25M
  bf1[2] = input[1];
34
2.25M
  bf1[3] = input[3];
35
2.25M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
36
37
  // stage 2
38
2.25M
  stage++;
39
2.25M
  bf0 = output;
40
2.25M
  bf1 = step;
41
2.25M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
42
2.25M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
43
2.25M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
44
2.25M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
45
2.25M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
46
47
  // stage 3
48
2.25M
  stage++;
49
2.25M
  bf0 = step;
50
2.25M
  bf1 = output;
51
2.25M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
52
2.25M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
53
2.25M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
54
2.25M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
55
2.25M
}
56
57
void av1_idct8(const int32_t *input, int32_t *output, int8_t cos_bit,
58
5.83M
               const int8_t *stage_range) {
59
5.83M
  assert(output != input);
60
5.83M
  const int32_t size = 8;
61
5.83M
  const int32_t *cospi = cospi_arr(cos_bit);
62
63
5.83M
  int32_t stage = 0;
64
5.83M
  int32_t *bf0, *bf1;
65
5.83M
  int32_t step[8];
66
67
  // stage 0;
68
69
  // stage 1;
70
5.83M
  stage++;
71
5.83M
  bf1 = output;
72
5.83M
  bf1[0] = input[0];
73
5.83M
  bf1[1] = input[4];
74
5.83M
  bf1[2] = input[2];
75
5.83M
  bf1[3] = input[6];
76
5.83M
  bf1[4] = input[1];
77
5.83M
  bf1[5] = input[5];
78
5.83M
  bf1[6] = input[3];
79
5.83M
  bf1[7] = input[7];
80
5.83M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
81
82
  // stage 2
83
5.83M
  stage++;
84
5.83M
  bf0 = output;
85
5.83M
  bf1 = step;
86
5.83M
  bf1[0] = bf0[0];
87
5.83M
  bf1[1] = bf0[1];
88
5.83M
  bf1[2] = bf0[2];
89
5.83M
  bf1[3] = bf0[3];
90
5.83M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
91
5.83M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
92
5.83M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
93
5.83M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
94
5.83M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
95
96
  // stage 3
97
5.83M
  stage++;
98
5.83M
  bf0 = step;
99
5.83M
  bf1 = output;
100
5.83M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
101
5.83M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
102
5.83M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
103
5.83M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
104
5.83M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
105
5.83M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
106
5.83M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
107
5.83M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
108
5.83M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
109
110
  // stage 4
111
5.83M
  stage++;
112
5.83M
  bf0 = output;
113
5.83M
  bf1 = step;
114
5.83M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
115
5.83M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
116
5.83M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
117
5.83M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
118
5.83M
  bf1[4] = bf0[4];
119
5.83M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
120
5.83M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
121
5.83M
  bf1[7] = bf0[7];
122
5.83M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
123
124
  // stage 5
125
5.83M
  stage++;
126
5.83M
  bf0 = step;
127
5.83M
  bf1 = output;
128
5.83M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
129
5.83M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
130
5.83M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
131
5.83M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
132
5.83M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
133
5.83M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
134
5.83M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
135
5.83M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
136
5.83M
}
137
138
void av1_idct16(const int32_t *input, int32_t *output, int8_t cos_bit,
139
5.40M
                const int8_t *stage_range) {
140
5.40M
  assert(output != input);
141
5.40M
  const int32_t size = 16;
142
5.40M
  const int32_t *cospi = cospi_arr(cos_bit);
143
144
5.40M
  int32_t stage = 0;
145
5.40M
  int32_t *bf0, *bf1;
146
5.40M
  int32_t step[16];
147
148
  // stage 0;
149
150
  // stage 1;
151
5.40M
  stage++;
152
5.40M
  bf1 = output;
153
5.40M
  bf1[0] = input[0];
154
5.40M
  bf1[1] = input[8];
155
5.40M
  bf1[2] = input[4];
156
5.40M
  bf1[3] = input[12];
157
5.40M
  bf1[4] = input[2];
158
5.40M
  bf1[5] = input[10];
159
5.40M
  bf1[6] = input[6];
160
5.40M
  bf1[7] = input[14];
161
5.40M
  bf1[8] = input[1];
162
5.40M
  bf1[9] = input[9];
163
5.40M
  bf1[10] = input[5];
164
5.40M
  bf1[11] = input[13];
165
5.40M
  bf1[12] = input[3];
166
5.40M
  bf1[13] = input[11];
167
5.40M
  bf1[14] = input[7];
168
5.40M
  bf1[15] = input[15];
169
5.40M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
170
171
  // stage 2
172
5.40M
  stage++;
173
5.40M
  bf0 = output;
174
5.40M
  bf1 = step;
175
5.40M
  bf1[0] = bf0[0];
176
5.40M
  bf1[1] = bf0[1];
177
5.40M
  bf1[2] = bf0[2];
178
5.40M
  bf1[3] = bf0[3];
179
5.40M
  bf1[4] = bf0[4];
180
5.40M
  bf1[5] = bf0[5];
181
5.40M
  bf1[6] = bf0[6];
182
5.40M
  bf1[7] = bf0[7];
183
5.40M
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
184
5.40M
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
185
5.40M
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
186
5.40M
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
187
5.40M
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
188
5.40M
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
189
5.40M
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
190
5.40M
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
191
5.40M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
192
193
  // stage 3
194
5.40M
  stage++;
195
5.40M
  bf0 = step;
196
5.40M
  bf1 = output;
197
5.40M
  bf1[0] = bf0[0];
198
5.40M
  bf1[1] = bf0[1];
199
5.40M
  bf1[2] = bf0[2];
200
5.40M
  bf1[3] = bf0[3];
201
5.40M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
202
5.40M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
203
5.40M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
204
5.40M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
205
5.40M
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
206
5.40M
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
207
5.40M
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
208
5.40M
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
209
5.40M
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
210
5.40M
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
211
5.40M
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
212
5.40M
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
213
5.40M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
214
215
  // stage 4
216
5.40M
  stage++;
217
5.40M
  bf0 = output;
218
5.40M
  bf1 = step;
219
5.40M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
220
5.40M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
221
5.40M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
222
5.40M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
223
5.40M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
224
5.40M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
225
5.40M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
226
5.40M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
227
5.40M
  bf1[8] = bf0[8];
228
5.40M
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
229
5.40M
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
230
5.40M
  bf1[11] = bf0[11];
231
5.40M
  bf1[12] = bf0[12];
232
5.40M
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
233
5.40M
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
234
5.40M
  bf1[15] = bf0[15];
235
5.40M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
236
237
  // stage 5
238
5.40M
  stage++;
239
5.40M
  bf0 = step;
240
5.40M
  bf1 = output;
241
5.40M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
242
5.40M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
243
5.40M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
244
5.40M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
245
5.40M
  bf1[4] = bf0[4];
246
5.40M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
247
5.40M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
248
5.40M
  bf1[7] = bf0[7];
249
5.40M
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
250
5.40M
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
251
5.40M
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
252
5.40M
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
253
5.40M
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
254
5.40M
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
255
5.40M
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
256
5.40M
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
257
5.40M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
258
259
  // stage 6
260
5.40M
  stage++;
261
5.40M
  bf0 = output;
262
5.40M
  bf1 = step;
263
5.40M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
264
5.40M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
265
5.40M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
266
5.40M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
267
5.40M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
268
5.40M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
269
5.40M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
270
5.40M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
271
5.40M
  bf1[8] = bf0[8];
272
5.40M
  bf1[9] = bf0[9];
273
5.40M
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
274
5.40M
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
275
5.40M
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
276
5.40M
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
277
5.40M
  bf1[14] = bf0[14];
278
5.40M
  bf1[15] = bf0[15];
279
5.40M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
280
281
  // stage 7
282
5.40M
  stage++;
283
5.40M
  bf0 = step;
284
5.40M
  bf1 = output;
285
5.40M
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
286
5.40M
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
287
5.40M
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
288
5.40M
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
289
5.40M
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
290
5.40M
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
291
5.40M
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
292
5.40M
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
293
5.40M
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
294
5.40M
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
295
5.40M
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
296
5.40M
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
297
5.40M
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
298
5.40M
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
299
5.40M
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
300
5.40M
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
301
5.40M
}
302
303
void av1_idct32(const int32_t *input, int32_t *output, int8_t cos_bit,
304
6.69M
                const int8_t *stage_range) {
305
6.69M
  assert(output != input);
306
6.69M
  const int32_t size = 32;
307
6.69M
  const int32_t *cospi = cospi_arr(cos_bit);
308
309
6.69M
  int32_t stage = 0;
310
6.69M
  int32_t *bf0, *bf1;
311
6.69M
  int32_t step[32];
312
313
  // stage 0;
314
315
  // stage 1;
316
6.69M
  stage++;
317
6.69M
  bf1 = output;
318
6.69M
  bf1[0] = input[0];
319
6.69M
  bf1[1] = input[16];
320
6.69M
  bf1[2] = input[8];
321
6.69M
  bf1[3] = input[24];
322
6.69M
  bf1[4] = input[4];
323
6.69M
  bf1[5] = input[20];
324
6.69M
  bf1[6] = input[12];
325
6.69M
  bf1[7] = input[28];
326
6.69M
  bf1[8] = input[2];
327
6.69M
  bf1[9] = input[18];
328
6.69M
  bf1[10] = input[10];
329
6.69M
  bf1[11] = input[26];
330
6.69M
  bf1[12] = input[6];
331
6.69M
  bf1[13] = input[22];
332
6.69M
  bf1[14] = input[14];
333
6.69M
  bf1[15] = input[30];
334
6.69M
  bf1[16] = input[1];
335
6.69M
  bf1[17] = input[17];
336
6.69M
  bf1[18] = input[9];
337
6.69M
  bf1[19] = input[25];
338
6.69M
  bf1[20] = input[5];
339
6.69M
  bf1[21] = input[21];
340
6.69M
  bf1[22] = input[13];
341
6.69M
  bf1[23] = input[29];
342
6.69M
  bf1[24] = input[3];
343
6.69M
  bf1[25] = input[19];
344
6.69M
  bf1[26] = input[11];
345
6.69M
  bf1[27] = input[27];
346
6.69M
  bf1[28] = input[7];
347
6.69M
  bf1[29] = input[23];
348
6.69M
  bf1[30] = input[15];
349
6.69M
  bf1[31] = input[31];
350
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
351
352
  // stage 2
353
6.69M
  stage++;
354
6.69M
  bf0 = output;
355
6.69M
  bf1 = step;
356
6.69M
  bf1[0] = bf0[0];
357
6.69M
  bf1[1] = bf0[1];
358
6.69M
  bf1[2] = bf0[2];
359
6.69M
  bf1[3] = bf0[3];
360
6.69M
  bf1[4] = bf0[4];
361
6.69M
  bf1[5] = bf0[5];
362
6.69M
  bf1[6] = bf0[6];
363
6.69M
  bf1[7] = bf0[7];
364
6.69M
  bf1[8] = bf0[8];
365
6.69M
  bf1[9] = bf0[9];
366
6.69M
  bf1[10] = bf0[10];
367
6.69M
  bf1[11] = bf0[11];
368
6.69M
  bf1[12] = bf0[12];
369
6.69M
  bf1[13] = bf0[13];
370
6.69M
  bf1[14] = bf0[14];
371
6.69M
  bf1[15] = bf0[15];
372
6.69M
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit);
373
6.69M
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit);
374
6.69M
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit);
375
6.69M
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit);
376
6.69M
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit);
377
6.69M
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit);
378
6.69M
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit);
379
6.69M
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit);
380
6.69M
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit);
381
6.69M
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit);
382
6.69M
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit);
383
6.69M
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit);
384
6.69M
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit);
385
6.69M
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit);
386
6.69M
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit);
387
6.69M
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit);
388
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
389
390
  // stage 3
391
6.69M
  stage++;
392
6.69M
  bf0 = step;
393
6.69M
  bf1 = output;
394
6.69M
  bf1[0] = bf0[0];
395
6.69M
  bf1[1] = bf0[1];
396
6.69M
  bf1[2] = bf0[2];
397
6.69M
  bf1[3] = bf0[3];
398
6.69M
  bf1[4] = bf0[4];
399
6.69M
  bf1[5] = bf0[5];
400
6.69M
  bf1[6] = bf0[6];
401
6.69M
  bf1[7] = bf0[7];
402
6.69M
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
403
6.69M
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
404
6.69M
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
405
6.69M
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
406
6.69M
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
407
6.69M
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
408
6.69M
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
409
6.69M
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
410
6.69M
  bf1[16] = clamp_value(bf0[16] + bf0[17], stage_range[stage]);
411
6.69M
  bf1[17] = clamp_value(bf0[16] - bf0[17], stage_range[stage]);
412
6.69M
  bf1[18] = clamp_value(-bf0[18] + bf0[19], stage_range[stage]);
413
6.69M
  bf1[19] = clamp_value(bf0[18] + bf0[19], stage_range[stage]);
414
6.69M
  bf1[20] = clamp_value(bf0[20] + bf0[21], stage_range[stage]);
415
6.69M
  bf1[21] = clamp_value(bf0[20] - bf0[21], stage_range[stage]);
416
6.69M
  bf1[22] = clamp_value(-bf0[22] + bf0[23], stage_range[stage]);
417
6.69M
  bf1[23] = clamp_value(bf0[22] + bf0[23], stage_range[stage]);
418
6.69M
  bf1[24] = clamp_value(bf0[24] + bf0[25], stage_range[stage]);
419
6.69M
  bf1[25] = clamp_value(bf0[24] - bf0[25], stage_range[stage]);
420
6.69M
  bf1[26] = clamp_value(-bf0[26] + bf0[27], stage_range[stage]);
421
6.69M
  bf1[27] = clamp_value(bf0[26] + bf0[27], stage_range[stage]);
422
6.69M
  bf1[28] = clamp_value(bf0[28] + bf0[29], stage_range[stage]);
423
6.69M
  bf1[29] = clamp_value(bf0[28] - bf0[29], stage_range[stage]);
424
6.69M
  bf1[30] = clamp_value(-bf0[30] + bf0[31], stage_range[stage]);
425
6.69M
  bf1[31] = clamp_value(bf0[30] + bf0[31], stage_range[stage]);
426
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
427
428
  // stage 4
429
6.69M
  stage++;
430
6.69M
  bf0 = output;
431
6.69M
  bf1 = step;
432
6.69M
  bf1[0] = bf0[0];
433
6.69M
  bf1[1] = bf0[1];
434
6.69M
  bf1[2] = bf0[2];
435
6.69M
  bf1[3] = bf0[3];
436
6.69M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
437
6.69M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
438
6.69M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
439
6.69M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
440
6.69M
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
441
6.69M
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
442
6.69M
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
443
6.69M
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
444
6.69M
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
445
6.69M
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
446
6.69M
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
447
6.69M
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
448
6.69M
  bf1[16] = bf0[16];
449
6.69M
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit);
450
6.69M
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit);
451
6.69M
  bf1[19] = bf0[19];
452
6.69M
  bf1[20] = bf0[20];
453
6.69M
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit);
454
6.69M
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit);
455
6.69M
  bf1[23] = bf0[23];
456
6.69M
  bf1[24] = bf0[24];
457
6.69M
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit);
458
6.69M
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit);
459
6.69M
  bf1[27] = bf0[27];
460
6.69M
  bf1[28] = bf0[28];
461
6.69M
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit);
462
6.69M
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit);
463
6.69M
  bf1[31] = bf0[31];
464
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
465
466
  // stage 5
467
6.69M
  stage++;
468
6.69M
  bf0 = step;
469
6.69M
  bf1 = output;
470
6.69M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
471
6.69M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
472
6.69M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
473
6.69M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
474
6.69M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
475
6.69M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
476
6.69M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
477
6.69M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
478
6.69M
  bf1[8] = bf0[8];
479
6.69M
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
480
6.69M
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
481
6.69M
  bf1[11] = bf0[11];
482
6.69M
  bf1[12] = bf0[12];
483
6.69M
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
484
6.69M
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
485
6.69M
  bf1[15] = bf0[15];
486
6.69M
  bf1[16] = clamp_value(bf0[16] + bf0[19], stage_range[stage]);
487
6.69M
  bf1[17] = clamp_value(bf0[17] + bf0[18], stage_range[stage]);
488
6.69M
  bf1[18] = clamp_value(bf0[17] - bf0[18], stage_range[stage]);
489
6.69M
  bf1[19] = clamp_value(bf0[16] - bf0[19], stage_range[stage]);
490
6.69M
  bf1[20] = clamp_value(-bf0[20] + bf0[23], stage_range[stage]);
491
6.69M
  bf1[21] = clamp_value(-bf0[21] + bf0[22], stage_range[stage]);
492
6.69M
  bf1[22] = clamp_value(bf0[21] + bf0[22], stage_range[stage]);
493
6.69M
  bf1[23] = clamp_value(bf0[20] + bf0[23], stage_range[stage]);
494
6.69M
  bf1[24] = clamp_value(bf0[24] + bf0[27], stage_range[stage]);
495
6.69M
  bf1[25] = clamp_value(bf0[25] + bf0[26], stage_range[stage]);
496
6.69M
  bf1[26] = clamp_value(bf0[25] - bf0[26], stage_range[stage]);
497
6.69M
  bf1[27] = clamp_value(bf0[24] - bf0[27], stage_range[stage]);
498
6.69M
  bf1[28] = clamp_value(-bf0[28] + bf0[31], stage_range[stage]);
499
6.69M
  bf1[29] = clamp_value(-bf0[29] + bf0[30], stage_range[stage]);
500
6.69M
  bf1[30] = clamp_value(bf0[29] + bf0[30], stage_range[stage]);
501
6.69M
  bf1[31] = clamp_value(bf0[28] + bf0[31], stage_range[stage]);
502
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
503
504
  // stage 6
505
6.69M
  stage++;
506
6.69M
  bf0 = output;
507
6.69M
  bf1 = step;
508
6.69M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
509
6.69M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
510
6.69M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
511
6.69M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
512
6.69M
  bf1[4] = bf0[4];
513
6.69M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
514
6.69M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
515
6.69M
  bf1[7] = bf0[7];
516
6.69M
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
517
6.69M
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
518
6.69M
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
519
6.69M
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
520
6.69M
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
521
6.69M
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
522
6.69M
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
523
6.69M
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
524
6.69M
  bf1[16] = bf0[16];
525
6.69M
  bf1[17] = bf0[17];
526
6.69M
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit);
527
6.69M
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit);
528
6.69M
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit);
529
6.69M
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit);
530
6.69M
  bf1[22] = bf0[22];
531
6.69M
  bf1[23] = bf0[23];
532
6.69M
  bf1[24] = bf0[24];
533
6.69M
  bf1[25] = bf0[25];
534
6.69M
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit);
535
6.69M
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit);
536
6.69M
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit);
537
6.69M
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit);
538
6.69M
  bf1[30] = bf0[30];
539
6.69M
  bf1[31] = bf0[31];
540
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
541
542
  // stage 7
543
6.69M
  stage++;
544
6.69M
  bf0 = step;
545
6.69M
  bf1 = output;
546
6.69M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
547
6.69M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
548
6.69M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
549
6.69M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
550
6.69M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
551
6.69M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
552
6.69M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
553
6.69M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
554
6.69M
  bf1[8] = bf0[8];
555
6.69M
  bf1[9] = bf0[9];
556
6.69M
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
557
6.69M
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
558
6.69M
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
559
6.69M
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
560
6.69M
  bf1[14] = bf0[14];
561
6.69M
  bf1[15] = bf0[15];
562
6.69M
  bf1[16] = clamp_value(bf0[16] + bf0[23], stage_range[stage]);
563
6.69M
  bf1[17] = clamp_value(bf0[17] + bf0[22], stage_range[stage]);
564
6.69M
  bf1[18] = clamp_value(bf0[18] + bf0[21], stage_range[stage]);
565
6.69M
  bf1[19] = clamp_value(bf0[19] + bf0[20], stage_range[stage]);
566
6.69M
  bf1[20] = clamp_value(bf0[19] - bf0[20], stage_range[stage]);
567
6.69M
  bf1[21] = clamp_value(bf0[18] - bf0[21], stage_range[stage]);
568
6.69M
  bf1[22] = clamp_value(bf0[17] - bf0[22], stage_range[stage]);
569
6.69M
  bf1[23] = clamp_value(bf0[16] - bf0[23], stage_range[stage]);
570
6.69M
  bf1[24] = clamp_value(-bf0[24] + bf0[31], stage_range[stage]);
571
6.69M
  bf1[25] = clamp_value(-bf0[25] + bf0[30], stage_range[stage]);
572
6.69M
  bf1[26] = clamp_value(-bf0[26] + bf0[29], stage_range[stage]);
573
6.69M
  bf1[27] = clamp_value(-bf0[27] + bf0[28], stage_range[stage]);
574
6.69M
  bf1[28] = clamp_value(bf0[27] + bf0[28], stage_range[stage]);
575
6.69M
  bf1[29] = clamp_value(bf0[26] + bf0[29], stage_range[stage]);
576
6.69M
  bf1[30] = clamp_value(bf0[25] + bf0[30], stage_range[stage]);
577
6.69M
  bf1[31] = clamp_value(bf0[24] + bf0[31], stage_range[stage]);
578
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
579
580
  // stage 8
581
6.69M
  stage++;
582
6.69M
  bf0 = output;
583
6.69M
  bf1 = step;
584
6.69M
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
585
6.69M
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
586
6.69M
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
587
6.69M
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
588
6.69M
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
589
6.69M
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
590
6.69M
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
591
6.69M
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
592
6.69M
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
593
6.69M
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
594
6.69M
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
595
6.69M
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
596
6.69M
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
597
6.69M
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
598
6.69M
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
599
6.69M
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
600
6.69M
  bf1[16] = bf0[16];
601
6.69M
  bf1[17] = bf0[17];
602
6.69M
  bf1[18] = bf0[18];
603
6.69M
  bf1[19] = bf0[19];
604
6.69M
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
605
6.69M
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
606
6.69M
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
607
6.69M
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
608
6.69M
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
609
6.69M
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
610
6.69M
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
611
6.69M
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
612
6.69M
  bf1[28] = bf0[28];
613
6.69M
  bf1[29] = bf0[29];
614
6.69M
  bf1[30] = bf0[30];
615
6.69M
  bf1[31] = bf0[31];
616
6.69M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
617
618
  // stage 9
619
6.69M
  stage++;
620
6.69M
  bf0 = step;
621
6.69M
  bf1 = output;
622
6.69M
  bf1[0] = clamp_value(bf0[0] + bf0[31], stage_range[stage]);
623
6.69M
  bf1[1] = clamp_value(bf0[1] + bf0[30], stage_range[stage]);
624
6.69M
  bf1[2] = clamp_value(bf0[2] + bf0[29], stage_range[stage]);
625
6.69M
  bf1[3] = clamp_value(bf0[3] + bf0[28], stage_range[stage]);
626
6.69M
  bf1[4] = clamp_value(bf0[4] + bf0[27], stage_range[stage]);
627
6.69M
  bf1[5] = clamp_value(bf0[5] + bf0[26], stage_range[stage]);
628
6.69M
  bf1[6] = clamp_value(bf0[6] + bf0[25], stage_range[stage]);
629
6.69M
  bf1[7] = clamp_value(bf0[7] + bf0[24], stage_range[stage]);
630
6.69M
  bf1[8] = clamp_value(bf0[8] + bf0[23], stage_range[stage]);
631
6.69M
  bf1[9] = clamp_value(bf0[9] + bf0[22], stage_range[stage]);
632
6.69M
  bf1[10] = clamp_value(bf0[10] + bf0[21], stage_range[stage]);
633
6.69M
  bf1[11] = clamp_value(bf0[11] + bf0[20], stage_range[stage]);
634
6.69M
  bf1[12] = clamp_value(bf0[12] + bf0[19], stage_range[stage]);
635
6.69M
  bf1[13] = clamp_value(bf0[13] + bf0[18], stage_range[stage]);
636
6.69M
  bf1[14] = clamp_value(bf0[14] + bf0[17], stage_range[stage]);
637
6.69M
  bf1[15] = clamp_value(bf0[15] + bf0[16], stage_range[stage]);
638
6.69M
  bf1[16] = clamp_value(bf0[15] - bf0[16], stage_range[stage]);
639
6.69M
  bf1[17] = clamp_value(bf0[14] - bf0[17], stage_range[stage]);
640
6.69M
  bf1[18] = clamp_value(bf0[13] - bf0[18], stage_range[stage]);
641
6.69M
  bf1[19] = clamp_value(bf0[12] - bf0[19], stage_range[stage]);
642
6.69M
  bf1[20] = clamp_value(bf0[11] - bf0[20], stage_range[stage]);
643
6.69M
  bf1[21] = clamp_value(bf0[10] - bf0[21], stage_range[stage]);
644
6.69M
  bf1[22] = clamp_value(bf0[9] - bf0[22], stage_range[stage]);
645
6.69M
  bf1[23] = clamp_value(bf0[8] - bf0[23], stage_range[stage]);
646
6.69M
  bf1[24] = clamp_value(bf0[7] - bf0[24], stage_range[stage]);
647
6.69M
  bf1[25] = clamp_value(bf0[6] - bf0[25], stage_range[stage]);
648
6.69M
  bf1[26] = clamp_value(bf0[5] - bf0[26], stage_range[stage]);
649
6.69M
  bf1[27] = clamp_value(bf0[4] - bf0[27], stage_range[stage]);
650
6.69M
  bf1[28] = clamp_value(bf0[3] - bf0[28], stage_range[stage]);
651
6.69M
  bf1[29] = clamp_value(bf0[2] - bf0[29], stage_range[stage]);
652
6.69M
  bf1[30] = clamp_value(bf0[1] - bf0[30], stage_range[stage]);
653
6.69M
  bf1[31] = clamp_value(bf0[0] - bf0[31], stage_range[stage]);
654
6.69M
}
655
656
void av1_iadst4(const int32_t *input, int32_t *output, int8_t cos_bit,
657
1.74M
                const int8_t *stage_range) {
658
1.74M
  int bit = cos_bit;
659
1.74M
  const int32_t *sinpi = sinpi_arr(bit);
660
1.74M
  int32_t s0, s1, s2, s3, s4, s5, s6, s7;
661
662
1.74M
  int32_t x0 = input[0];
663
1.74M
  int32_t x1 = input[1];
664
1.74M
  int32_t x2 = input[2];
665
1.74M
  int32_t x3 = input[3];
666
667
1.74M
  if (!(x0 | x1 | x2 | x3)) {
668
384k
    output[0] = output[1] = output[2] = output[3] = 0;
669
384k
    return;
670
384k
  }
671
672
1.74M
  assert(sinpi[1] + sinpi[2] == sinpi[4]);
673
674
  // stage 1
675
1.36M
  s0 = range_check_value(sinpi[1] * x0, stage_range[1] + bit);
676
1.36M
  s1 = range_check_value(sinpi[2] * x0, stage_range[1] + bit);
677
1.36M
  s2 = range_check_value(sinpi[3] * x1, stage_range[1] + bit);
678
1.36M
  s3 = range_check_value(sinpi[4] * x2, stage_range[1] + bit);
679
1.36M
  s4 = range_check_value(sinpi[1] * x2, stage_range[1] + bit);
680
1.36M
  s5 = range_check_value(sinpi[2] * x3, stage_range[1] + bit);
681
1.36M
  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
1.36M
  s7 = range_check_value((x0 - x2) + x3, stage_range[2]);
687
688
  // stage 3
689
1.36M
  s0 = range_check_value(s0 + s3, stage_range[3] + bit);
690
1.36M
  s1 = range_check_value(s1 - s4, stage_range[3] + bit);
691
1.36M
  s3 = range_check_value(s2, stage_range[3] + bit);
692
1.36M
  s2 = range_check_value(sinpi[3] * s7, stage_range[3] + bit);
693
694
  // stage 4
695
1.36M
  s0 = range_check_value(s0 + s5, stage_range[4] + bit);
696
1.36M
  s1 = range_check_value(s1 - s6, stage_range[4] + bit);
697
698
  // stage 5
699
1.36M
  x0 = range_check_value(s0 + s3, stage_range[5] + bit);
700
1.36M
  x1 = range_check_value(s1 + s3, stage_range[5] + bit);
701
1.36M
  x2 = range_check_value(s2, stage_range[5] + bit);
702
1.36M
  x3 = range_check_value(s0 + s1, stage_range[5] + bit);
703
704
  // stage 6
705
1.36M
  x3 = range_check_value(x3 - s3, stage_range[6] + bit);
706
707
1.36M
  output[0] = round_shift(x0, bit);
708
1.36M
  output[1] = round_shift(x1, bit);
709
1.36M
  output[2] = round_shift(x2, bit);
710
1.36M
  output[3] = round_shift(x3, bit);
711
1.36M
}
712
713
void av1_iadst8(const int32_t *input, int32_t *output, int8_t cos_bit,
714
2.79M
                const int8_t *stage_range) {
715
2.79M
  assert(output != input);
716
2.79M
  const int32_t size = 8;
717
2.79M
  const int32_t *cospi = cospi_arr(cos_bit);
718
719
2.79M
  int32_t stage = 0;
720
2.79M
  int32_t *bf0, *bf1;
721
2.79M
  int32_t step[8];
722
723
  // stage 0;
724
725
  // stage 1;
726
2.79M
  stage++;
727
2.79M
  bf1 = output;
728
2.79M
  bf1[0] = input[7];
729
2.79M
  bf1[1] = input[0];
730
2.79M
  bf1[2] = input[5];
731
2.79M
  bf1[3] = input[2];
732
2.79M
  bf1[4] = input[3];
733
2.79M
  bf1[5] = input[4];
734
2.79M
  bf1[6] = input[1];
735
2.79M
  bf1[7] = input[6];
736
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
737
738
  // stage 2
739
2.79M
  stage++;
740
2.79M
  bf0 = output;
741
2.79M
  bf1 = step;
742
2.79M
  bf1[0] = half_btf(cospi[4], bf0[0], cospi[60], bf0[1], cos_bit);
743
2.79M
  bf1[1] = half_btf(cospi[60], bf0[0], -cospi[4], bf0[1], cos_bit);
744
2.79M
  bf1[2] = half_btf(cospi[20], bf0[2], cospi[44], bf0[3], cos_bit);
745
2.79M
  bf1[3] = half_btf(cospi[44], bf0[2], -cospi[20], bf0[3], cos_bit);
746
2.79M
  bf1[4] = half_btf(cospi[36], bf0[4], cospi[28], bf0[5], cos_bit);
747
2.79M
  bf1[5] = half_btf(cospi[28], bf0[4], -cospi[36], bf0[5], cos_bit);
748
2.79M
  bf1[6] = half_btf(cospi[52], bf0[6], cospi[12], bf0[7], cos_bit);
749
2.79M
  bf1[7] = half_btf(cospi[12], bf0[6], -cospi[52], bf0[7], cos_bit);
750
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
751
752
  // stage 3
753
2.79M
  stage++;
754
2.79M
  bf0 = step;
755
2.79M
  bf1 = output;
756
2.79M
  bf1[0] = clamp_value(bf0[0] + bf0[4], stage_range[stage]);
757
2.79M
  bf1[1] = clamp_value(bf0[1] + bf0[5], stage_range[stage]);
758
2.79M
  bf1[2] = clamp_value(bf0[2] + bf0[6], stage_range[stage]);
759
2.79M
  bf1[3] = clamp_value(bf0[3] + bf0[7], stage_range[stage]);
760
2.79M
  bf1[4] = clamp_value(bf0[0] - bf0[4], stage_range[stage]);
761
2.79M
  bf1[5] = clamp_value(bf0[1] - bf0[5], stage_range[stage]);
762
2.79M
  bf1[6] = clamp_value(bf0[2] - bf0[6], stage_range[stage]);
763
2.79M
  bf1[7] = clamp_value(bf0[3] - bf0[7], stage_range[stage]);
764
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
765
766
  // stage 4
767
2.79M
  stage++;
768
2.79M
  bf0 = output;
769
2.79M
  bf1 = step;
770
2.79M
  bf1[0] = bf0[0];
771
2.79M
  bf1[1] = bf0[1];
772
2.79M
  bf1[2] = bf0[2];
773
2.79M
  bf1[3] = bf0[3];
774
2.79M
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit);
775
2.79M
  bf1[5] = half_btf(cospi[48], bf0[4], -cospi[16], bf0[5], cos_bit);
776
2.79M
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit);
777
2.79M
  bf1[7] = half_btf(cospi[16], bf0[6], cospi[48], bf0[7], cos_bit);
778
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
779
780
  // stage 5
781
2.79M
  stage++;
782
2.79M
  bf0 = step;
783
2.79M
  bf1 = output;
784
2.79M
  bf1[0] = clamp_value(bf0[0] + bf0[2], stage_range[stage]);
785
2.79M
  bf1[1] = clamp_value(bf0[1] + bf0[3], stage_range[stage]);
786
2.79M
  bf1[2] = clamp_value(bf0[0] - bf0[2], stage_range[stage]);
787
2.79M
  bf1[3] = clamp_value(bf0[1] - bf0[3], stage_range[stage]);
788
2.79M
  bf1[4] = clamp_value(bf0[4] + bf0[6], stage_range[stage]);
789
2.79M
  bf1[5] = clamp_value(bf0[5] + bf0[7], stage_range[stage]);
790
2.79M
  bf1[6] = clamp_value(bf0[4] - bf0[6], stage_range[stage]);
791
2.79M
  bf1[7] = clamp_value(bf0[5] - bf0[7], stage_range[stage]);
792
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
793
794
  // stage 6
795
2.79M
  stage++;
796
2.79M
  bf0 = output;
797
2.79M
  bf1 = step;
798
2.79M
  bf1[0] = bf0[0];
799
2.79M
  bf1[1] = bf0[1];
800
2.79M
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit);
801
2.79M
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit);
802
2.79M
  bf1[4] = bf0[4];
803
2.79M
  bf1[5] = bf0[5];
804
2.79M
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit);
805
2.79M
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit);
806
2.79M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
807
808
  // stage 7
809
2.79M
  bf0 = step;
810
2.79M
  bf1 = output;
811
2.79M
  bf1[0] = bf0[0];
812
2.79M
  bf1[1] = -bf0[4];
813
2.79M
  bf1[2] = bf0[6];
814
2.79M
  bf1[3] = -bf0[2];
815
2.79M
  bf1[4] = bf0[3];
816
2.79M
  bf1[5] = -bf0[7];
817
2.79M
  bf1[6] = bf0[5];
818
2.79M
  bf1[7] = -bf0[1];
819
2.79M
}
820
821
void av1_iadst16(const int32_t *input, int32_t *output, int8_t cos_bit,
822
2.52M
                 const int8_t *stage_range) {
823
2.52M
  assert(output != input);
824
2.52M
  const int32_t size = 16;
825
2.52M
  const int32_t *cospi = cospi_arr(cos_bit);
826
827
2.52M
  int32_t stage = 0;
828
2.52M
  int32_t *bf0, *bf1;
829
2.52M
  int32_t step[16];
830
831
  // stage 0;
832
833
  // stage 1;
834
2.52M
  stage++;
835
2.52M
  bf1 = output;
836
2.52M
  bf1[0] = input[15];
837
2.52M
  bf1[1] = input[0];
838
2.52M
  bf1[2] = input[13];
839
2.52M
  bf1[3] = input[2];
840
2.52M
  bf1[4] = input[11];
841
2.52M
  bf1[5] = input[4];
842
2.52M
  bf1[6] = input[9];
843
2.52M
  bf1[7] = input[6];
844
2.52M
  bf1[8] = input[7];
845
2.52M
  bf1[9] = input[8];
846
2.52M
  bf1[10] = input[5];
847
2.52M
  bf1[11] = input[10];
848
2.52M
  bf1[12] = input[3];
849
2.52M
  bf1[13] = input[12];
850
2.52M
  bf1[14] = input[1];
851
2.52M
  bf1[15] = input[14];
852
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
853
854
  // stage 2
855
2.52M
  stage++;
856
2.52M
  bf0 = output;
857
2.52M
  bf1 = step;
858
2.52M
  bf1[0] = half_btf(cospi[2], bf0[0], cospi[62], bf0[1], cos_bit);
859
2.52M
  bf1[1] = half_btf(cospi[62], bf0[0], -cospi[2], bf0[1], cos_bit);
860
2.52M
  bf1[2] = half_btf(cospi[10], bf0[2], cospi[54], bf0[3], cos_bit);
861
2.52M
  bf1[3] = half_btf(cospi[54], bf0[2], -cospi[10], bf0[3], cos_bit);
862
2.52M
  bf1[4] = half_btf(cospi[18], bf0[4], cospi[46], bf0[5], cos_bit);
863
2.52M
  bf1[5] = half_btf(cospi[46], bf0[4], -cospi[18], bf0[5], cos_bit);
864
2.52M
  bf1[6] = half_btf(cospi[26], bf0[6], cospi[38], bf0[7], cos_bit);
865
2.52M
  bf1[7] = half_btf(cospi[38], bf0[6], -cospi[26], bf0[7], cos_bit);
866
2.52M
  bf1[8] = half_btf(cospi[34], bf0[8], cospi[30], bf0[9], cos_bit);
867
2.52M
  bf1[9] = half_btf(cospi[30], bf0[8], -cospi[34], bf0[9], cos_bit);
868
2.52M
  bf1[10] = half_btf(cospi[42], bf0[10], cospi[22], bf0[11], cos_bit);
869
2.52M
  bf1[11] = half_btf(cospi[22], bf0[10], -cospi[42], bf0[11], cos_bit);
870
2.52M
  bf1[12] = half_btf(cospi[50], bf0[12], cospi[14], bf0[13], cos_bit);
871
2.52M
  bf1[13] = half_btf(cospi[14], bf0[12], -cospi[50], bf0[13], cos_bit);
872
2.52M
  bf1[14] = half_btf(cospi[58], bf0[14], cospi[6], bf0[15], cos_bit);
873
2.52M
  bf1[15] = half_btf(cospi[6], bf0[14], -cospi[58], bf0[15], cos_bit);
874
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
875
876
  // stage 3
877
2.52M
  stage++;
878
2.52M
  bf0 = step;
879
2.52M
  bf1 = output;
880
2.52M
  bf1[0] = clamp_value(bf0[0] + bf0[8], stage_range[stage]);
881
2.52M
  bf1[1] = clamp_value(bf0[1] + bf0[9], stage_range[stage]);
882
2.52M
  bf1[2] = clamp_value(bf0[2] + bf0[10], stage_range[stage]);
883
2.52M
  bf1[3] = clamp_value(bf0[3] + bf0[11], stage_range[stage]);
884
2.52M
  bf1[4] = clamp_value(bf0[4] + bf0[12], stage_range[stage]);
885
2.52M
  bf1[5] = clamp_value(bf0[5] + bf0[13], stage_range[stage]);
886
2.52M
  bf1[6] = clamp_value(bf0[6] + bf0[14], stage_range[stage]);
887
2.52M
  bf1[7] = clamp_value(bf0[7] + bf0[15], stage_range[stage]);
888
2.52M
  bf1[8] = clamp_value(bf0[0] - bf0[8], stage_range[stage]);
889
2.52M
  bf1[9] = clamp_value(bf0[1] - bf0[9], stage_range[stage]);
890
2.52M
  bf1[10] = clamp_value(bf0[2] - bf0[10], stage_range[stage]);
891
2.52M
  bf1[11] = clamp_value(bf0[3] - bf0[11], stage_range[stage]);
892
2.52M
  bf1[12] = clamp_value(bf0[4] - bf0[12], stage_range[stage]);
893
2.52M
  bf1[13] = clamp_value(bf0[5] - bf0[13], stage_range[stage]);
894
2.52M
  bf1[14] = clamp_value(bf0[6] - bf0[14], stage_range[stage]);
895
2.52M
  bf1[15] = clamp_value(bf0[7] - bf0[15], stage_range[stage]);
896
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
897
898
  // stage 4
899
2.52M
  stage++;
900
2.52M
  bf0 = output;
901
2.52M
  bf1 = step;
902
2.52M
  bf1[0] = bf0[0];
903
2.52M
  bf1[1] = bf0[1];
904
2.52M
  bf1[2] = bf0[2];
905
2.52M
  bf1[3] = bf0[3];
906
2.52M
  bf1[4] = bf0[4];
907
2.52M
  bf1[5] = bf0[5];
908
2.52M
  bf1[6] = bf0[6];
909
2.52M
  bf1[7] = bf0[7];
910
2.52M
  bf1[8] = half_btf(cospi[8], bf0[8], cospi[56], bf0[9], cos_bit);
911
2.52M
  bf1[9] = half_btf(cospi[56], bf0[8], -cospi[8], bf0[9], cos_bit);
912
2.52M
  bf1[10] = half_btf(cospi[40], bf0[10], cospi[24], bf0[11], cos_bit);
913
2.52M
  bf1[11] = half_btf(cospi[24], bf0[10], -cospi[40], bf0[11], cos_bit);
914
2.52M
  bf1[12] = half_btf(-cospi[56], bf0[12], cospi[8], bf0[13], cos_bit);
915
2.52M
  bf1[13] = half_btf(cospi[8], bf0[12], cospi[56], bf0[13], cos_bit);
916
2.52M
  bf1[14] = half_btf(-cospi[24], bf0[14], cospi[40], bf0[15], cos_bit);
917
2.52M
  bf1[15] = half_btf(cospi[40], bf0[14], cospi[24], bf0[15], cos_bit);
918
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
919
920
  // stage 5
921
2.52M
  stage++;
922
2.52M
  bf0 = step;
923
2.52M
  bf1 = output;
924
2.52M
  bf1[0] = clamp_value(bf0[0] + bf0[4], stage_range[stage]);
925
2.52M
  bf1[1] = clamp_value(bf0[1] + bf0[5], stage_range[stage]);
926
2.52M
  bf1[2] = clamp_value(bf0[2] + bf0[6], stage_range[stage]);
927
2.52M
  bf1[3] = clamp_value(bf0[3] + bf0[7], stage_range[stage]);
928
2.52M
  bf1[4] = clamp_value(bf0[0] - bf0[4], stage_range[stage]);
929
2.52M
  bf1[5] = clamp_value(bf0[1] - bf0[5], stage_range[stage]);
930
2.52M
  bf1[6] = clamp_value(bf0[2] - bf0[6], stage_range[stage]);
931
2.52M
  bf1[7] = clamp_value(bf0[3] - bf0[7], stage_range[stage]);
932
2.52M
  bf1[8] = clamp_value(bf0[8] + bf0[12], stage_range[stage]);
933
2.52M
  bf1[9] = clamp_value(bf0[9] + bf0[13], stage_range[stage]);
934
2.52M
  bf1[10] = clamp_value(bf0[10] + bf0[14], stage_range[stage]);
935
2.52M
  bf1[11] = clamp_value(bf0[11] + bf0[15], stage_range[stage]);
936
2.52M
  bf1[12] = clamp_value(bf0[8] - bf0[12], stage_range[stage]);
937
2.52M
  bf1[13] = clamp_value(bf0[9] - bf0[13], stage_range[stage]);
938
2.52M
  bf1[14] = clamp_value(bf0[10] - bf0[14], stage_range[stage]);
939
2.52M
  bf1[15] = clamp_value(bf0[11] - bf0[15], stage_range[stage]);
940
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
941
942
  // stage 6
943
2.52M
  stage++;
944
2.52M
  bf0 = output;
945
2.52M
  bf1 = step;
946
2.52M
  bf1[0] = bf0[0];
947
2.52M
  bf1[1] = bf0[1];
948
2.52M
  bf1[2] = bf0[2];
949
2.52M
  bf1[3] = bf0[3];
950
2.52M
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit);
951
2.52M
  bf1[5] = half_btf(cospi[48], bf0[4], -cospi[16], bf0[5], cos_bit);
952
2.52M
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit);
953
2.52M
  bf1[7] = half_btf(cospi[16], bf0[6], cospi[48], bf0[7], cos_bit);
954
2.52M
  bf1[8] = bf0[8];
955
2.52M
  bf1[9] = bf0[9];
956
2.52M
  bf1[10] = bf0[10];
957
2.52M
  bf1[11] = bf0[11];
958
2.52M
  bf1[12] = half_btf(cospi[16], bf0[12], cospi[48], bf0[13], cos_bit);
959
2.52M
  bf1[13] = half_btf(cospi[48], bf0[12], -cospi[16], bf0[13], cos_bit);
960
2.52M
  bf1[14] = half_btf(-cospi[48], bf0[14], cospi[16], bf0[15], cos_bit);
961
2.52M
  bf1[15] = half_btf(cospi[16], bf0[14], cospi[48], bf0[15], cos_bit);
962
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
963
964
  // stage 7
965
2.52M
  stage++;
966
2.52M
  bf0 = step;
967
2.52M
  bf1 = output;
968
2.52M
  bf1[0] = clamp_value(bf0[0] + bf0[2], stage_range[stage]);
969
2.52M
  bf1[1] = clamp_value(bf0[1] + bf0[3], stage_range[stage]);
970
2.52M
  bf1[2] = clamp_value(bf0[0] - bf0[2], stage_range[stage]);
971
2.52M
  bf1[3] = clamp_value(bf0[1] - bf0[3], stage_range[stage]);
972
2.52M
  bf1[4] = clamp_value(bf0[4] + bf0[6], stage_range[stage]);
973
2.52M
  bf1[5] = clamp_value(bf0[5] + bf0[7], stage_range[stage]);
974
2.52M
  bf1[6] = clamp_value(bf0[4] - bf0[6], stage_range[stage]);
975
2.52M
  bf1[7] = clamp_value(bf0[5] - bf0[7], stage_range[stage]);
976
2.52M
  bf1[8] = clamp_value(bf0[8] + bf0[10], stage_range[stage]);
977
2.52M
  bf1[9] = clamp_value(bf0[9] + bf0[11], stage_range[stage]);
978
2.52M
  bf1[10] = clamp_value(bf0[8] - bf0[10], stage_range[stage]);
979
2.52M
  bf1[11] = clamp_value(bf0[9] - bf0[11], stage_range[stage]);
980
2.52M
  bf1[12] = clamp_value(bf0[12] + bf0[14], stage_range[stage]);
981
2.52M
  bf1[13] = clamp_value(bf0[13] + bf0[15], stage_range[stage]);
982
2.52M
  bf1[14] = clamp_value(bf0[12] - bf0[14], stage_range[stage]);
983
2.52M
  bf1[15] = clamp_value(bf0[13] - bf0[15], stage_range[stage]);
984
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
985
986
  // stage 8
987
2.52M
  stage++;
988
2.52M
  bf0 = output;
989
2.52M
  bf1 = step;
990
2.52M
  bf1[0] = bf0[0];
991
2.52M
  bf1[1] = bf0[1];
992
2.52M
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit);
993
2.52M
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit);
994
2.52M
  bf1[4] = bf0[4];
995
2.52M
  bf1[5] = bf0[5];
996
2.52M
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit);
997
2.52M
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit);
998
2.52M
  bf1[8] = bf0[8];
999
2.52M
  bf1[9] = bf0[9];
1000
2.52M
  bf1[10] = half_btf(cospi[32], bf0[10], cospi[32], bf0[11], cos_bit);
1001
2.52M
  bf1[11] = half_btf(cospi[32], bf0[10], -cospi[32], bf0[11], cos_bit);
1002
2.52M
  bf1[12] = bf0[12];
1003
2.52M
  bf1[13] = bf0[13];
1004
2.52M
  bf1[14] = half_btf(cospi[32], bf0[14], cospi[32], bf0[15], cos_bit);
1005
2.52M
  bf1[15] = half_btf(cospi[32], bf0[14], -cospi[32], bf0[15], cos_bit);
1006
2.52M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1007
1008
  // stage 9
1009
2.52M
  bf0 = step;
1010
2.52M
  bf1 = output;
1011
2.52M
  bf1[0] = bf0[0];
1012
2.52M
  bf1[1] = -bf0[8];
1013
2.52M
  bf1[2] = bf0[12];
1014
2.52M
  bf1[3] = -bf0[4];
1015
2.52M
  bf1[4] = bf0[6];
1016
2.52M
  bf1[5] = -bf0[14];
1017
2.52M
  bf1[6] = bf0[10];
1018
2.52M
  bf1[7] = -bf0[2];
1019
2.52M
  bf1[8] = bf0[3];
1020
2.52M
  bf1[9] = -bf0[11];
1021
2.52M
  bf1[10] = bf0[15];
1022
2.52M
  bf1[11] = -bf0[7];
1023
2.52M
  bf1[12] = bf0[5];
1024
2.52M
  bf1[13] = -bf0[13];
1025
2.52M
  bf1[14] = bf0[9];
1026
2.52M
  bf1[15] = -bf0[1];
1027
2.52M
}
1028
1029
void av1_iidentity4_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1030
468k
                      const int8_t *stage_range) {
1031
468k
  (void)cos_bit;
1032
468k
  (void)stage_range;
1033
2.34M
  for (int i = 0; i < 4; ++i) {
1034
1.87M
    output[i] = round_shift((int64_t)NewSqrt2 * input[i], NewSqrt2Bits);
1035
1.87M
  }
1036
468k
  assert(stage_range[0] + NewSqrt2Bits <= 32);
1037
468k
}
1038
1039
void av1_iidentity8_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1040
721k
                      const int8_t *stage_range) {
1041
721k
  (void)cos_bit;
1042
721k
  (void)stage_range;
1043
6.48M
  for (int i = 0; i < 8; ++i) output[i] = (int32_t)((int64_t)input[i] * 2);
1044
721k
}
1045
1046
void av1_iidentity16_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1047
343k
                       const int8_t *stage_range) {
1048
343k
  (void)cos_bit;
1049
343k
  (void)stage_range;
1050
5.83M
  for (int i = 0; i < 16; ++i)
1051
5.49M
    output[i] = round_shift((int64_t)NewSqrt2 * 2 * input[i], NewSqrt2Bits);
1052
343k
  assert(stage_range[0] + NewSqrt2Bits <= 32);
1053
343k
}
1054
1055
void av1_iidentity32_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1056
37.0k
                       const int8_t *stage_range) {
1057
37.0k
  (void)cos_bit;
1058
37.0k
  (void)stage_range;
1059
1.22M
  for (int i = 0; i < 32; ++i) output[i] = (int32_t)((int64_t)input[i] * 4);
1060
37.0k
}
1061
1062
void av1_idct64(const int32_t *input, int32_t *output, int8_t cos_bit,
1063
4.78M
                const int8_t *stage_range) {
1064
4.78M
  assert(output != input);
1065
4.78M
  const int32_t size = 64;
1066
4.78M
  const int32_t *cospi = cospi_arr(cos_bit);
1067
1068
4.78M
  int32_t stage = 0;
1069
4.78M
  int32_t *bf0, *bf1;
1070
4.78M
  int32_t step[64];
1071
1072
  // stage 0;
1073
1074
  // stage 1;
1075
4.78M
  stage++;
1076
4.78M
  bf1 = output;
1077
4.78M
  bf1[0] = input[0];
1078
4.78M
  bf1[1] = input[32];
1079
4.78M
  bf1[2] = input[16];
1080
4.78M
  bf1[3] = input[48];
1081
4.78M
  bf1[4] = input[8];
1082
4.78M
  bf1[5] = input[40];
1083
4.78M
  bf1[6] = input[24];
1084
4.78M
  bf1[7] = input[56];
1085
4.78M
  bf1[8] = input[4];
1086
4.78M
  bf1[9] = input[36];
1087
4.78M
  bf1[10] = input[20];
1088
4.78M
  bf1[11] = input[52];
1089
4.78M
  bf1[12] = input[12];
1090
4.78M
  bf1[13] = input[44];
1091
4.78M
  bf1[14] = input[28];
1092
4.78M
  bf1[15] = input[60];
1093
4.78M
  bf1[16] = input[2];
1094
4.78M
  bf1[17] = input[34];
1095
4.78M
  bf1[18] = input[18];
1096
4.78M
  bf1[19] = input[50];
1097
4.78M
  bf1[20] = input[10];
1098
4.78M
  bf1[21] = input[42];
1099
4.78M
  bf1[22] = input[26];
1100
4.78M
  bf1[23] = input[58];
1101
4.78M
  bf1[24] = input[6];
1102
4.78M
  bf1[25] = input[38];
1103
4.78M
  bf1[26] = input[22];
1104
4.78M
  bf1[27] = input[54];
1105
4.78M
  bf1[28] = input[14];
1106
4.78M
  bf1[29] = input[46];
1107
4.78M
  bf1[30] = input[30];
1108
4.78M
  bf1[31] = input[62];
1109
4.78M
  bf1[32] = input[1];
1110
4.78M
  bf1[33] = input[33];
1111
4.78M
  bf1[34] = input[17];
1112
4.78M
  bf1[35] = input[49];
1113
4.78M
  bf1[36] = input[9];
1114
4.78M
  bf1[37] = input[41];
1115
4.78M
  bf1[38] = input[25];
1116
4.78M
  bf1[39] = input[57];
1117
4.78M
  bf1[40] = input[5];
1118
4.78M
  bf1[41] = input[37];
1119
4.78M
  bf1[42] = input[21];
1120
4.78M
  bf1[43] = input[53];
1121
4.78M
  bf1[44] = input[13];
1122
4.78M
  bf1[45] = input[45];
1123
4.78M
  bf1[46] = input[29];
1124
4.78M
  bf1[47] = input[61];
1125
4.78M
  bf1[48] = input[3];
1126
4.78M
  bf1[49] = input[35];
1127
4.78M
  bf1[50] = input[19];
1128
4.78M
  bf1[51] = input[51];
1129
4.78M
  bf1[52] = input[11];
1130
4.78M
  bf1[53] = input[43];
1131
4.78M
  bf1[54] = input[27];
1132
4.78M
  bf1[55] = input[59];
1133
4.78M
  bf1[56] = input[7];
1134
4.78M
  bf1[57] = input[39];
1135
4.78M
  bf1[58] = input[23];
1136
4.78M
  bf1[59] = input[55];
1137
4.78M
  bf1[60] = input[15];
1138
4.78M
  bf1[61] = input[47];
1139
4.78M
  bf1[62] = input[31];
1140
4.78M
  bf1[63] = input[63];
1141
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1142
1143
  // stage 2
1144
4.78M
  stage++;
1145
4.78M
  bf0 = output;
1146
4.78M
  bf1 = step;
1147
4.78M
  bf1[0] = bf0[0];
1148
4.78M
  bf1[1] = bf0[1];
1149
4.78M
  bf1[2] = bf0[2];
1150
4.78M
  bf1[3] = bf0[3];
1151
4.78M
  bf1[4] = bf0[4];
1152
4.78M
  bf1[5] = bf0[5];
1153
4.78M
  bf1[6] = bf0[6];
1154
4.78M
  bf1[7] = bf0[7];
1155
4.78M
  bf1[8] = bf0[8];
1156
4.78M
  bf1[9] = bf0[9];
1157
4.78M
  bf1[10] = bf0[10];
1158
4.78M
  bf1[11] = bf0[11];
1159
4.78M
  bf1[12] = bf0[12];
1160
4.78M
  bf1[13] = bf0[13];
1161
4.78M
  bf1[14] = bf0[14];
1162
4.78M
  bf1[15] = bf0[15];
1163
4.78M
  bf1[16] = bf0[16];
1164
4.78M
  bf1[17] = bf0[17];
1165
4.78M
  bf1[18] = bf0[18];
1166
4.78M
  bf1[19] = bf0[19];
1167
4.78M
  bf1[20] = bf0[20];
1168
4.78M
  bf1[21] = bf0[21];
1169
4.78M
  bf1[22] = bf0[22];
1170
4.78M
  bf1[23] = bf0[23];
1171
4.78M
  bf1[24] = bf0[24];
1172
4.78M
  bf1[25] = bf0[25];
1173
4.78M
  bf1[26] = bf0[26];
1174
4.78M
  bf1[27] = bf0[27];
1175
4.78M
  bf1[28] = bf0[28];
1176
4.78M
  bf1[29] = bf0[29];
1177
4.78M
  bf1[30] = bf0[30];
1178
4.78M
  bf1[31] = bf0[31];
1179
4.78M
  bf1[32] = half_btf(cospi[63], bf0[32], -cospi[1], bf0[63], cos_bit);
1180
4.78M
  bf1[33] = half_btf(cospi[31], bf0[33], -cospi[33], bf0[62], cos_bit);
1181
4.78M
  bf1[34] = half_btf(cospi[47], bf0[34], -cospi[17], bf0[61], cos_bit);
1182
4.78M
  bf1[35] = half_btf(cospi[15], bf0[35], -cospi[49], bf0[60], cos_bit);
1183
4.78M
  bf1[36] = half_btf(cospi[55], bf0[36], -cospi[9], bf0[59], cos_bit);
1184
4.78M
  bf1[37] = half_btf(cospi[23], bf0[37], -cospi[41], bf0[58], cos_bit);
1185
4.78M
  bf1[38] = half_btf(cospi[39], bf0[38], -cospi[25], bf0[57], cos_bit);
1186
4.78M
  bf1[39] = half_btf(cospi[7], bf0[39], -cospi[57], bf0[56], cos_bit);
1187
4.78M
  bf1[40] = half_btf(cospi[59], bf0[40], -cospi[5], bf0[55], cos_bit);
1188
4.78M
  bf1[41] = half_btf(cospi[27], bf0[41], -cospi[37], bf0[54], cos_bit);
1189
4.78M
  bf1[42] = half_btf(cospi[43], bf0[42], -cospi[21], bf0[53], cos_bit);
1190
4.78M
  bf1[43] = half_btf(cospi[11], bf0[43], -cospi[53], bf0[52], cos_bit);
1191
4.78M
  bf1[44] = half_btf(cospi[51], bf0[44], -cospi[13], bf0[51], cos_bit);
1192
4.78M
  bf1[45] = half_btf(cospi[19], bf0[45], -cospi[45], bf0[50], cos_bit);
1193
4.78M
  bf1[46] = half_btf(cospi[35], bf0[46], -cospi[29], bf0[49], cos_bit);
1194
4.78M
  bf1[47] = half_btf(cospi[3], bf0[47], -cospi[61], bf0[48], cos_bit);
1195
4.78M
  bf1[48] = half_btf(cospi[61], bf0[47], cospi[3], bf0[48], cos_bit);
1196
4.78M
  bf1[49] = half_btf(cospi[29], bf0[46], cospi[35], bf0[49], cos_bit);
1197
4.78M
  bf1[50] = half_btf(cospi[45], bf0[45], cospi[19], bf0[50], cos_bit);
1198
4.78M
  bf1[51] = half_btf(cospi[13], bf0[44], cospi[51], bf0[51], cos_bit);
1199
4.78M
  bf1[52] = half_btf(cospi[53], bf0[43], cospi[11], bf0[52], cos_bit);
1200
4.78M
  bf1[53] = half_btf(cospi[21], bf0[42], cospi[43], bf0[53], cos_bit);
1201
4.78M
  bf1[54] = half_btf(cospi[37], bf0[41], cospi[27], bf0[54], cos_bit);
1202
4.78M
  bf1[55] = half_btf(cospi[5], bf0[40], cospi[59], bf0[55], cos_bit);
1203
4.78M
  bf1[56] = half_btf(cospi[57], bf0[39], cospi[7], bf0[56], cos_bit);
1204
4.78M
  bf1[57] = half_btf(cospi[25], bf0[38], cospi[39], bf0[57], cos_bit);
1205
4.78M
  bf1[58] = half_btf(cospi[41], bf0[37], cospi[23], bf0[58], cos_bit);
1206
4.78M
  bf1[59] = half_btf(cospi[9], bf0[36], cospi[55], bf0[59], cos_bit);
1207
4.78M
  bf1[60] = half_btf(cospi[49], bf0[35], cospi[15], bf0[60], cos_bit);
1208
4.78M
  bf1[61] = half_btf(cospi[17], bf0[34], cospi[47], bf0[61], cos_bit);
1209
4.78M
  bf1[62] = half_btf(cospi[33], bf0[33], cospi[31], bf0[62], cos_bit);
1210
4.78M
  bf1[63] = half_btf(cospi[1], bf0[32], cospi[63], bf0[63], cos_bit);
1211
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1212
1213
  // stage 3
1214
4.78M
  stage++;
1215
4.78M
  bf0 = step;
1216
4.78M
  bf1 = output;
1217
4.78M
  bf1[0] = bf0[0];
1218
4.78M
  bf1[1] = bf0[1];
1219
4.78M
  bf1[2] = bf0[2];
1220
4.78M
  bf1[3] = bf0[3];
1221
4.78M
  bf1[4] = bf0[4];
1222
4.78M
  bf1[5] = bf0[5];
1223
4.78M
  bf1[6] = bf0[6];
1224
4.78M
  bf1[7] = bf0[7];
1225
4.78M
  bf1[8] = bf0[8];
1226
4.78M
  bf1[9] = bf0[9];
1227
4.78M
  bf1[10] = bf0[10];
1228
4.78M
  bf1[11] = bf0[11];
1229
4.78M
  bf1[12] = bf0[12];
1230
4.78M
  bf1[13] = bf0[13];
1231
4.78M
  bf1[14] = bf0[14];
1232
4.78M
  bf1[15] = bf0[15];
1233
4.78M
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit);
1234
4.78M
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit);
1235
4.78M
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit);
1236
4.78M
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit);
1237
4.78M
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit);
1238
4.78M
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit);
1239
4.78M
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit);
1240
4.78M
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit);
1241
4.78M
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit);
1242
4.78M
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit);
1243
4.78M
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit);
1244
4.78M
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit);
1245
4.78M
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit);
1246
4.78M
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit);
1247
4.78M
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit);
1248
4.78M
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit);
1249
4.78M
  bf1[32] = clamp_value(bf0[32] + bf0[33], stage_range[stage]);
1250
4.78M
  bf1[33] = clamp_value(bf0[32] - bf0[33], stage_range[stage]);
1251
4.78M
  bf1[34] = clamp_value(-bf0[34] + bf0[35], stage_range[stage]);
1252
4.78M
  bf1[35] = clamp_value(bf0[34] + bf0[35], stage_range[stage]);
1253
4.78M
  bf1[36] = clamp_value(bf0[36] + bf0[37], stage_range[stage]);
1254
4.78M
  bf1[37] = clamp_value(bf0[36] - bf0[37], stage_range[stage]);
1255
4.78M
  bf1[38] = clamp_value(-bf0[38] + bf0[39], stage_range[stage]);
1256
4.78M
  bf1[39] = clamp_value(bf0[38] + bf0[39], stage_range[stage]);
1257
4.78M
  bf1[40] = clamp_value(bf0[40] + bf0[41], stage_range[stage]);
1258
4.78M
  bf1[41] = clamp_value(bf0[40] - bf0[41], stage_range[stage]);
1259
4.78M
  bf1[42] = clamp_value(-bf0[42] + bf0[43], stage_range[stage]);
1260
4.78M
  bf1[43] = clamp_value(bf0[42] + bf0[43], stage_range[stage]);
1261
4.78M
  bf1[44] = clamp_value(bf0[44] + bf0[45], stage_range[stage]);
1262
4.78M
  bf1[45] = clamp_value(bf0[44] - bf0[45], stage_range[stage]);
1263
4.78M
  bf1[46] = clamp_value(-bf0[46] + bf0[47], stage_range[stage]);
1264
4.78M
  bf1[47] = clamp_value(bf0[46] + bf0[47], stage_range[stage]);
1265
4.78M
  bf1[48] = clamp_value(bf0[48] + bf0[49], stage_range[stage]);
1266
4.78M
  bf1[49] = clamp_value(bf0[48] - bf0[49], stage_range[stage]);
1267
4.78M
  bf1[50] = clamp_value(-bf0[50] + bf0[51], stage_range[stage]);
1268
4.78M
  bf1[51] = clamp_value(bf0[50] + bf0[51], stage_range[stage]);
1269
4.78M
  bf1[52] = clamp_value(bf0[52] + bf0[53], stage_range[stage]);
1270
4.78M
  bf1[53] = clamp_value(bf0[52] - bf0[53], stage_range[stage]);
1271
4.78M
  bf1[54] = clamp_value(-bf0[54] + bf0[55], stage_range[stage]);
1272
4.78M
  bf1[55] = clamp_value(bf0[54] + bf0[55], stage_range[stage]);
1273
4.78M
  bf1[56] = clamp_value(bf0[56] + bf0[57], stage_range[stage]);
1274
4.78M
  bf1[57] = clamp_value(bf0[56] - bf0[57], stage_range[stage]);
1275
4.78M
  bf1[58] = clamp_value(-bf0[58] + bf0[59], stage_range[stage]);
1276
4.78M
  bf1[59] = clamp_value(bf0[58] + bf0[59], stage_range[stage]);
1277
4.78M
  bf1[60] = clamp_value(bf0[60] + bf0[61], stage_range[stage]);
1278
4.78M
  bf1[61] = clamp_value(bf0[60] - bf0[61], stage_range[stage]);
1279
4.78M
  bf1[62] = clamp_value(-bf0[62] + bf0[63], stage_range[stage]);
1280
4.78M
  bf1[63] = clamp_value(bf0[62] + bf0[63], stage_range[stage]);
1281
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1282
1283
  // stage 4
1284
4.78M
  stage++;
1285
4.78M
  bf0 = output;
1286
4.78M
  bf1 = step;
1287
4.78M
  bf1[0] = bf0[0];
1288
4.78M
  bf1[1] = bf0[1];
1289
4.78M
  bf1[2] = bf0[2];
1290
4.78M
  bf1[3] = bf0[3];
1291
4.78M
  bf1[4] = bf0[4];
1292
4.78M
  bf1[5] = bf0[5];
1293
4.78M
  bf1[6] = bf0[6];
1294
4.78M
  bf1[7] = bf0[7];
1295
4.78M
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
1296
4.78M
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
1297
4.78M
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
1298
4.78M
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
1299
4.78M
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
1300
4.78M
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
1301
4.78M
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
1302
4.78M
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
1303
4.78M
  bf1[16] = clamp_value(bf0[16] + bf0[17], stage_range[stage]);
1304
4.78M
  bf1[17] = clamp_value(bf0[16] - bf0[17], stage_range[stage]);
1305
4.78M
  bf1[18] = clamp_value(-bf0[18] + bf0[19], stage_range[stage]);
1306
4.78M
  bf1[19] = clamp_value(bf0[18] + bf0[19], stage_range[stage]);
1307
4.78M
  bf1[20] = clamp_value(bf0[20] + bf0[21], stage_range[stage]);
1308
4.78M
  bf1[21] = clamp_value(bf0[20] - bf0[21], stage_range[stage]);
1309
4.78M
  bf1[22] = clamp_value(-bf0[22] + bf0[23], stage_range[stage]);
1310
4.78M
  bf1[23] = clamp_value(bf0[22] + bf0[23], stage_range[stage]);
1311
4.78M
  bf1[24] = clamp_value(bf0[24] + bf0[25], stage_range[stage]);
1312
4.78M
  bf1[25] = clamp_value(bf0[24] - bf0[25], stage_range[stage]);
1313
4.78M
  bf1[26] = clamp_value(-bf0[26] + bf0[27], stage_range[stage]);
1314
4.78M
  bf1[27] = clamp_value(bf0[26] + bf0[27], stage_range[stage]);
1315
4.78M
  bf1[28] = clamp_value(bf0[28] + bf0[29], stage_range[stage]);
1316
4.78M
  bf1[29] = clamp_value(bf0[28] - bf0[29], stage_range[stage]);
1317
4.78M
  bf1[30] = clamp_value(-bf0[30] + bf0[31], stage_range[stage]);
1318
4.78M
  bf1[31] = clamp_value(bf0[30] + bf0[31], stage_range[stage]);
1319
4.78M
  bf1[32] = bf0[32];
1320
4.78M
  bf1[33] = half_btf(-cospi[4], bf0[33], cospi[60], bf0[62], cos_bit);
1321
4.78M
  bf1[34] = half_btf(-cospi[60], bf0[34], -cospi[4], bf0[61], cos_bit);
1322
4.78M
  bf1[35] = bf0[35];
1323
4.78M
  bf1[36] = bf0[36];
1324
4.78M
  bf1[37] = half_btf(-cospi[36], bf0[37], cospi[28], bf0[58], cos_bit);
1325
4.78M
  bf1[38] = half_btf(-cospi[28], bf0[38], -cospi[36], bf0[57], cos_bit);
1326
4.78M
  bf1[39] = bf0[39];
1327
4.78M
  bf1[40] = bf0[40];
1328
4.78M
  bf1[41] = half_btf(-cospi[20], bf0[41], cospi[44], bf0[54], cos_bit);
1329
4.78M
  bf1[42] = half_btf(-cospi[44], bf0[42], -cospi[20], bf0[53], cos_bit);
1330
4.78M
  bf1[43] = bf0[43];
1331
4.78M
  bf1[44] = bf0[44];
1332
4.78M
  bf1[45] = half_btf(-cospi[52], bf0[45], cospi[12], bf0[50], cos_bit);
1333
4.78M
  bf1[46] = half_btf(-cospi[12], bf0[46], -cospi[52], bf0[49], cos_bit);
1334
4.78M
  bf1[47] = bf0[47];
1335
4.78M
  bf1[48] = bf0[48];
1336
4.78M
  bf1[49] = half_btf(-cospi[52], bf0[46], cospi[12], bf0[49], cos_bit);
1337
4.78M
  bf1[50] = half_btf(cospi[12], bf0[45], cospi[52], bf0[50], cos_bit);
1338
4.78M
  bf1[51] = bf0[51];
1339
4.78M
  bf1[52] = bf0[52];
1340
4.78M
  bf1[53] = half_btf(-cospi[20], bf0[42], cospi[44], bf0[53], cos_bit);
1341
4.78M
  bf1[54] = half_btf(cospi[44], bf0[41], cospi[20], bf0[54], cos_bit);
1342
4.78M
  bf1[55] = bf0[55];
1343
4.78M
  bf1[56] = bf0[56];
1344
4.78M
  bf1[57] = half_btf(-cospi[36], bf0[38], cospi[28], bf0[57], cos_bit);
1345
4.78M
  bf1[58] = half_btf(cospi[28], bf0[37], cospi[36], bf0[58], cos_bit);
1346
4.78M
  bf1[59] = bf0[59];
1347
4.78M
  bf1[60] = bf0[60];
1348
4.78M
  bf1[61] = half_btf(-cospi[4], bf0[34], cospi[60], bf0[61], cos_bit);
1349
4.78M
  bf1[62] = half_btf(cospi[60], bf0[33], cospi[4], bf0[62], cos_bit);
1350
4.78M
  bf1[63] = bf0[63];
1351
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1352
1353
  // stage 5
1354
4.78M
  stage++;
1355
4.78M
  bf0 = step;
1356
4.78M
  bf1 = output;
1357
4.78M
  bf1[0] = bf0[0];
1358
4.78M
  bf1[1] = bf0[1];
1359
4.78M
  bf1[2] = bf0[2];
1360
4.78M
  bf1[3] = bf0[3];
1361
4.78M
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
1362
4.78M
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
1363
4.78M
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
1364
4.78M
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
1365
4.78M
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
1366
4.78M
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
1367
4.78M
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
1368
4.78M
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
1369
4.78M
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
1370
4.78M
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
1371
4.78M
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
1372
4.78M
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
1373
4.78M
  bf1[16] = bf0[16];
1374
4.78M
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit);
1375
4.78M
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit);
1376
4.78M
  bf1[19] = bf0[19];
1377
4.78M
  bf1[20] = bf0[20];
1378
4.78M
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit);
1379
4.78M
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit);
1380
4.78M
  bf1[23] = bf0[23];
1381
4.78M
  bf1[24] = bf0[24];
1382
4.78M
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit);
1383
4.78M
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit);
1384
4.78M
  bf1[27] = bf0[27];
1385
4.78M
  bf1[28] = bf0[28];
1386
4.78M
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit);
1387
4.78M
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit);
1388
4.78M
  bf1[31] = bf0[31];
1389
4.78M
  bf1[32] = clamp_value(bf0[32] + bf0[35], stage_range[stage]);
1390
4.78M
  bf1[33] = clamp_value(bf0[33] + bf0[34], stage_range[stage]);
1391
4.78M
  bf1[34] = clamp_value(bf0[33] - bf0[34], stage_range[stage]);
1392
4.78M
  bf1[35] = clamp_value(bf0[32] - bf0[35], stage_range[stage]);
1393
4.78M
  bf1[36] = clamp_value(-bf0[36] + bf0[39], stage_range[stage]);
1394
4.78M
  bf1[37] = clamp_value(-bf0[37] + bf0[38], stage_range[stage]);
1395
4.78M
  bf1[38] = clamp_value(bf0[37] + bf0[38], stage_range[stage]);
1396
4.78M
  bf1[39] = clamp_value(bf0[36] + bf0[39], stage_range[stage]);
1397
4.78M
  bf1[40] = clamp_value(bf0[40] + bf0[43], stage_range[stage]);
1398
4.78M
  bf1[41] = clamp_value(bf0[41] + bf0[42], stage_range[stage]);
1399
4.78M
  bf1[42] = clamp_value(bf0[41] - bf0[42], stage_range[stage]);
1400
4.78M
  bf1[43] = clamp_value(bf0[40] - bf0[43], stage_range[stage]);
1401
4.78M
  bf1[44] = clamp_value(-bf0[44] + bf0[47], stage_range[stage]);
1402
4.78M
  bf1[45] = clamp_value(-bf0[45] + bf0[46], stage_range[stage]);
1403
4.78M
  bf1[46] = clamp_value(bf0[45] + bf0[46], stage_range[stage]);
1404
4.78M
  bf1[47] = clamp_value(bf0[44] + bf0[47], stage_range[stage]);
1405
4.78M
  bf1[48] = clamp_value(bf0[48] + bf0[51], stage_range[stage]);
1406
4.78M
  bf1[49] = clamp_value(bf0[49] + bf0[50], stage_range[stage]);
1407
4.78M
  bf1[50] = clamp_value(bf0[49] - bf0[50], stage_range[stage]);
1408
4.78M
  bf1[51] = clamp_value(bf0[48] - bf0[51], stage_range[stage]);
1409
4.78M
  bf1[52] = clamp_value(-bf0[52] + bf0[55], stage_range[stage]);
1410
4.78M
  bf1[53] = clamp_value(-bf0[53] + bf0[54], stage_range[stage]);
1411
4.78M
  bf1[54] = clamp_value(bf0[53] + bf0[54], stage_range[stage]);
1412
4.78M
  bf1[55] = clamp_value(bf0[52] + bf0[55], stage_range[stage]);
1413
4.78M
  bf1[56] = clamp_value(bf0[56] + bf0[59], stage_range[stage]);
1414
4.78M
  bf1[57] = clamp_value(bf0[57] + bf0[58], stage_range[stage]);
1415
4.78M
  bf1[58] = clamp_value(bf0[57] - bf0[58], stage_range[stage]);
1416
4.78M
  bf1[59] = clamp_value(bf0[56] - bf0[59], stage_range[stage]);
1417
4.78M
  bf1[60] = clamp_value(-bf0[60] + bf0[63], stage_range[stage]);
1418
4.78M
  bf1[61] = clamp_value(-bf0[61] + bf0[62], stage_range[stage]);
1419
4.78M
  bf1[62] = clamp_value(bf0[61] + bf0[62], stage_range[stage]);
1420
4.78M
  bf1[63] = clamp_value(bf0[60] + bf0[63], stage_range[stage]);
1421
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1422
1423
  // stage 6
1424
4.78M
  stage++;
1425
4.78M
  bf0 = output;
1426
4.78M
  bf1 = step;
1427
4.78M
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
1428
4.78M
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
1429
4.78M
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
1430
4.78M
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
1431
4.78M
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
1432
4.78M
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
1433
4.78M
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
1434
4.78M
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
1435
4.78M
  bf1[8] = bf0[8];
1436
4.78M
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
1437
4.78M
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
1438
4.78M
  bf1[11] = bf0[11];
1439
4.78M
  bf1[12] = bf0[12];
1440
4.78M
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
1441
4.78M
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
1442
4.78M
  bf1[15] = bf0[15];
1443
4.78M
  bf1[16] = clamp_value(bf0[16] + bf0[19], stage_range[stage]);
1444
4.78M
  bf1[17] = clamp_value(bf0[17] + bf0[18], stage_range[stage]);
1445
4.78M
  bf1[18] = clamp_value(bf0[17] - bf0[18], stage_range[stage]);
1446
4.78M
  bf1[19] = clamp_value(bf0[16] - bf0[19], stage_range[stage]);
1447
4.78M
  bf1[20] = clamp_value(-bf0[20] + bf0[23], stage_range[stage]);
1448
4.78M
  bf1[21] = clamp_value(-bf0[21] + bf0[22], stage_range[stage]);
1449
4.78M
  bf1[22] = clamp_value(bf0[21] + bf0[22], stage_range[stage]);
1450
4.78M
  bf1[23] = clamp_value(bf0[20] + bf0[23], stage_range[stage]);
1451
4.78M
  bf1[24] = clamp_value(bf0[24] + bf0[27], stage_range[stage]);
1452
4.78M
  bf1[25] = clamp_value(bf0[25] + bf0[26], stage_range[stage]);
1453
4.78M
  bf1[26] = clamp_value(bf0[25] - bf0[26], stage_range[stage]);
1454
4.78M
  bf1[27] = clamp_value(bf0[24] - bf0[27], stage_range[stage]);
1455
4.78M
  bf1[28] = clamp_value(-bf0[28] + bf0[31], stage_range[stage]);
1456
4.78M
  bf1[29] = clamp_value(-bf0[29] + bf0[30], stage_range[stage]);
1457
4.78M
  bf1[30] = clamp_value(bf0[29] + bf0[30], stage_range[stage]);
1458
4.78M
  bf1[31] = clamp_value(bf0[28] + bf0[31], stage_range[stage]);
1459
4.78M
  bf1[32] = bf0[32];
1460
4.78M
  bf1[33] = bf0[33];
1461
4.78M
  bf1[34] = half_btf(-cospi[8], bf0[34], cospi[56], bf0[61], cos_bit);
1462
4.78M
  bf1[35] = half_btf(-cospi[8], bf0[35], cospi[56], bf0[60], cos_bit);
1463
4.78M
  bf1[36] = half_btf(-cospi[56], bf0[36], -cospi[8], bf0[59], cos_bit);
1464
4.78M
  bf1[37] = half_btf(-cospi[56], bf0[37], -cospi[8], bf0[58], cos_bit);
1465
4.78M
  bf1[38] = bf0[38];
1466
4.78M
  bf1[39] = bf0[39];
1467
4.78M
  bf1[40] = bf0[40];
1468
4.78M
  bf1[41] = bf0[41];
1469
4.78M
  bf1[42] = half_btf(-cospi[40], bf0[42], cospi[24], bf0[53], cos_bit);
1470
4.78M
  bf1[43] = half_btf(-cospi[40], bf0[43], cospi[24], bf0[52], cos_bit);
1471
4.78M
  bf1[44] = half_btf(-cospi[24], bf0[44], -cospi[40], bf0[51], cos_bit);
1472
4.78M
  bf1[45] = half_btf(-cospi[24], bf0[45], -cospi[40], bf0[50], cos_bit);
1473
4.78M
  bf1[46] = bf0[46];
1474
4.78M
  bf1[47] = bf0[47];
1475
4.78M
  bf1[48] = bf0[48];
1476
4.78M
  bf1[49] = bf0[49];
1477
4.78M
  bf1[50] = half_btf(-cospi[40], bf0[45], cospi[24], bf0[50], cos_bit);
1478
4.78M
  bf1[51] = half_btf(-cospi[40], bf0[44], cospi[24], bf0[51], cos_bit);
1479
4.78M
  bf1[52] = half_btf(cospi[24], bf0[43], cospi[40], bf0[52], cos_bit);
1480
4.78M
  bf1[53] = half_btf(cospi[24], bf0[42], cospi[40], bf0[53], cos_bit);
1481
4.78M
  bf1[54] = bf0[54];
1482
4.78M
  bf1[55] = bf0[55];
1483
4.78M
  bf1[56] = bf0[56];
1484
4.78M
  bf1[57] = bf0[57];
1485
4.78M
  bf1[58] = half_btf(-cospi[8], bf0[37], cospi[56], bf0[58], cos_bit);
1486
4.78M
  bf1[59] = half_btf(-cospi[8], bf0[36], cospi[56], bf0[59], cos_bit);
1487
4.78M
  bf1[60] = half_btf(cospi[56], bf0[35], cospi[8], bf0[60], cos_bit);
1488
4.78M
  bf1[61] = half_btf(cospi[56], bf0[34], cospi[8], bf0[61], cos_bit);
1489
4.78M
  bf1[62] = bf0[62];
1490
4.78M
  bf1[63] = bf0[63];
1491
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1492
1493
  // stage 7
1494
4.78M
  stage++;
1495
4.78M
  bf0 = step;
1496
4.78M
  bf1 = output;
1497
4.78M
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
1498
4.78M
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
1499
4.78M
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
1500
4.78M
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
1501
4.78M
  bf1[4] = bf0[4];
1502
4.78M
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
1503
4.78M
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
1504
4.78M
  bf1[7] = bf0[7];
1505
4.78M
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
1506
4.78M
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
1507
4.78M
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
1508
4.78M
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
1509
4.78M
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
1510
4.78M
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
1511
4.78M
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
1512
4.78M
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
1513
4.78M
  bf1[16] = bf0[16];
1514
4.78M
  bf1[17] = bf0[17];
1515
4.78M
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit);
1516
4.78M
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit);
1517
4.78M
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit);
1518
4.78M
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit);
1519
4.78M
  bf1[22] = bf0[22];
1520
4.78M
  bf1[23] = bf0[23];
1521
4.78M
  bf1[24] = bf0[24];
1522
4.78M
  bf1[25] = bf0[25];
1523
4.78M
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit);
1524
4.78M
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit);
1525
4.78M
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit);
1526
4.78M
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit);
1527
4.78M
  bf1[30] = bf0[30];
1528
4.78M
  bf1[31] = bf0[31];
1529
4.78M
  bf1[32] = clamp_value(bf0[32] + bf0[39], stage_range[stage]);
1530
4.78M
  bf1[33] = clamp_value(bf0[33] + bf0[38], stage_range[stage]);
1531
4.78M
  bf1[34] = clamp_value(bf0[34] + bf0[37], stage_range[stage]);
1532
4.78M
  bf1[35] = clamp_value(bf0[35] + bf0[36], stage_range[stage]);
1533
4.78M
  bf1[36] = clamp_value(bf0[35] - bf0[36], stage_range[stage]);
1534
4.78M
  bf1[37] = clamp_value(bf0[34] - bf0[37], stage_range[stage]);
1535
4.78M
  bf1[38] = clamp_value(bf0[33] - bf0[38], stage_range[stage]);
1536
4.78M
  bf1[39] = clamp_value(bf0[32] - bf0[39], stage_range[stage]);
1537
4.78M
  bf1[40] = clamp_value(-bf0[40] + bf0[47], stage_range[stage]);
1538
4.78M
  bf1[41] = clamp_value(-bf0[41] + bf0[46], stage_range[stage]);
1539
4.78M
  bf1[42] = clamp_value(-bf0[42] + bf0[45], stage_range[stage]);
1540
4.78M
  bf1[43] = clamp_value(-bf0[43] + bf0[44], stage_range[stage]);
1541
4.78M
  bf1[44] = clamp_value(bf0[43] + bf0[44], stage_range[stage]);
1542
4.78M
  bf1[45] = clamp_value(bf0[42] + bf0[45], stage_range[stage]);
1543
4.78M
  bf1[46] = clamp_value(bf0[41] + bf0[46], stage_range[stage]);
1544
4.78M
  bf1[47] = clamp_value(bf0[40] + bf0[47], stage_range[stage]);
1545
4.78M
  bf1[48] = clamp_value(bf0[48] + bf0[55], stage_range[stage]);
1546
4.78M
  bf1[49] = clamp_value(bf0[49] + bf0[54], stage_range[stage]);
1547
4.78M
  bf1[50] = clamp_value(bf0[50] + bf0[53], stage_range[stage]);
1548
4.78M
  bf1[51] = clamp_value(bf0[51] + bf0[52], stage_range[stage]);
1549
4.78M
  bf1[52] = clamp_value(bf0[51] - bf0[52], stage_range[stage]);
1550
4.78M
  bf1[53] = clamp_value(bf0[50] - bf0[53], stage_range[stage]);
1551
4.78M
  bf1[54] = clamp_value(bf0[49] - bf0[54], stage_range[stage]);
1552
4.78M
  bf1[55] = clamp_value(bf0[48] - bf0[55], stage_range[stage]);
1553
4.78M
  bf1[56] = clamp_value(-bf0[56] + bf0[63], stage_range[stage]);
1554
4.78M
  bf1[57] = clamp_value(-bf0[57] + bf0[62], stage_range[stage]);
1555
4.78M
  bf1[58] = clamp_value(-bf0[58] + bf0[61], stage_range[stage]);
1556
4.78M
  bf1[59] = clamp_value(-bf0[59] + bf0[60], stage_range[stage]);
1557
4.78M
  bf1[60] = clamp_value(bf0[59] + bf0[60], stage_range[stage]);
1558
4.78M
  bf1[61] = clamp_value(bf0[58] + bf0[61], stage_range[stage]);
1559
4.78M
  bf1[62] = clamp_value(bf0[57] + bf0[62], stage_range[stage]);
1560
4.78M
  bf1[63] = clamp_value(bf0[56] + bf0[63], stage_range[stage]);
1561
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1562
1563
  // stage 8
1564
4.78M
  stage++;
1565
4.78M
  bf0 = output;
1566
4.78M
  bf1 = step;
1567
4.78M
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
1568
4.78M
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
1569
4.78M
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
1570
4.78M
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
1571
4.78M
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
1572
4.78M
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
1573
4.78M
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
1574
4.78M
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
1575
4.78M
  bf1[8] = bf0[8];
1576
4.78M
  bf1[9] = bf0[9];
1577
4.78M
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
1578
4.78M
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
1579
4.78M
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
1580
4.78M
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
1581
4.78M
  bf1[14] = bf0[14];
1582
4.78M
  bf1[15] = bf0[15];
1583
4.78M
  bf1[16] = clamp_value(bf0[16] + bf0[23], stage_range[stage]);
1584
4.78M
  bf1[17] = clamp_value(bf0[17] + bf0[22], stage_range[stage]);
1585
4.78M
  bf1[18] = clamp_value(bf0[18] + bf0[21], stage_range[stage]);
1586
4.78M
  bf1[19] = clamp_value(bf0[19] + bf0[20], stage_range[stage]);
1587
4.78M
  bf1[20] = clamp_value(bf0[19] - bf0[20], stage_range[stage]);
1588
4.78M
  bf1[21] = clamp_value(bf0[18] - bf0[21], stage_range[stage]);
1589
4.78M
  bf1[22] = clamp_value(bf0[17] - bf0[22], stage_range[stage]);
1590
4.78M
  bf1[23] = clamp_value(bf0[16] - bf0[23], stage_range[stage]);
1591
4.78M
  bf1[24] = clamp_value(-bf0[24] + bf0[31], stage_range[stage]);
1592
4.78M
  bf1[25] = clamp_value(-bf0[25] + bf0[30], stage_range[stage]);
1593
4.78M
  bf1[26] = clamp_value(-bf0[26] + bf0[29], stage_range[stage]);
1594
4.78M
  bf1[27] = clamp_value(-bf0[27] + bf0[28], stage_range[stage]);
1595
4.78M
  bf1[28] = clamp_value(bf0[27] + bf0[28], stage_range[stage]);
1596
4.78M
  bf1[29] = clamp_value(bf0[26] + bf0[29], stage_range[stage]);
1597
4.78M
  bf1[30] = clamp_value(bf0[25] + bf0[30], stage_range[stage]);
1598
4.78M
  bf1[31] = clamp_value(bf0[24] + bf0[31], stage_range[stage]);
1599
4.78M
  bf1[32] = bf0[32];
1600
4.78M
  bf1[33] = bf0[33];
1601
4.78M
  bf1[34] = bf0[34];
1602
4.78M
  bf1[35] = bf0[35];
1603
4.78M
  bf1[36] = half_btf(-cospi[16], bf0[36], cospi[48], bf0[59], cos_bit);
1604
4.78M
  bf1[37] = half_btf(-cospi[16], bf0[37], cospi[48], bf0[58], cos_bit);
1605
4.78M
  bf1[38] = half_btf(-cospi[16], bf0[38], cospi[48], bf0[57], cos_bit);
1606
4.78M
  bf1[39] = half_btf(-cospi[16], bf0[39], cospi[48], bf0[56], cos_bit);
1607
4.78M
  bf1[40] = half_btf(-cospi[48], bf0[40], -cospi[16], bf0[55], cos_bit);
1608
4.78M
  bf1[41] = half_btf(-cospi[48], bf0[41], -cospi[16], bf0[54], cos_bit);
1609
4.78M
  bf1[42] = half_btf(-cospi[48], bf0[42], -cospi[16], bf0[53], cos_bit);
1610
4.78M
  bf1[43] = half_btf(-cospi[48], bf0[43], -cospi[16], bf0[52], cos_bit);
1611
4.78M
  bf1[44] = bf0[44];
1612
4.78M
  bf1[45] = bf0[45];
1613
4.78M
  bf1[46] = bf0[46];
1614
4.78M
  bf1[47] = bf0[47];
1615
4.78M
  bf1[48] = bf0[48];
1616
4.78M
  bf1[49] = bf0[49];
1617
4.78M
  bf1[50] = bf0[50];
1618
4.78M
  bf1[51] = bf0[51];
1619
4.78M
  bf1[52] = half_btf(-cospi[16], bf0[43], cospi[48], bf0[52], cos_bit);
1620
4.78M
  bf1[53] = half_btf(-cospi[16], bf0[42], cospi[48], bf0[53], cos_bit);
1621
4.78M
  bf1[54] = half_btf(-cospi[16], bf0[41], cospi[48], bf0[54], cos_bit);
1622
4.78M
  bf1[55] = half_btf(-cospi[16], bf0[40], cospi[48], bf0[55], cos_bit);
1623
4.78M
  bf1[56] = half_btf(cospi[48], bf0[39], cospi[16], bf0[56], cos_bit);
1624
4.78M
  bf1[57] = half_btf(cospi[48], bf0[38], cospi[16], bf0[57], cos_bit);
1625
4.78M
  bf1[58] = half_btf(cospi[48], bf0[37], cospi[16], bf0[58], cos_bit);
1626
4.78M
  bf1[59] = half_btf(cospi[48], bf0[36], cospi[16], bf0[59], cos_bit);
1627
4.78M
  bf1[60] = bf0[60];
1628
4.78M
  bf1[61] = bf0[61];
1629
4.78M
  bf1[62] = bf0[62];
1630
4.78M
  bf1[63] = bf0[63];
1631
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1632
1633
  // stage 9
1634
4.78M
  stage++;
1635
4.78M
  bf0 = step;
1636
4.78M
  bf1 = output;
1637
4.78M
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
1638
4.78M
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
1639
4.78M
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
1640
4.78M
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
1641
4.78M
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
1642
4.78M
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
1643
4.78M
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
1644
4.78M
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
1645
4.78M
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
1646
4.78M
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
1647
4.78M
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
1648
4.78M
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
1649
4.78M
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
1650
4.78M
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
1651
4.78M
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
1652
4.78M
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
1653
4.78M
  bf1[16] = bf0[16];
1654
4.78M
  bf1[17] = bf0[17];
1655
4.78M
  bf1[18] = bf0[18];
1656
4.78M
  bf1[19] = bf0[19];
1657
4.78M
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
1658
4.78M
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
1659
4.78M
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
1660
4.78M
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
1661
4.78M
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
1662
4.78M
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
1663
4.78M
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
1664
4.78M
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
1665
4.78M
  bf1[28] = bf0[28];
1666
4.78M
  bf1[29] = bf0[29];
1667
4.78M
  bf1[30] = bf0[30];
1668
4.78M
  bf1[31] = bf0[31];
1669
4.78M
  bf1[32] = clamp_value(bf0[32] + bf0[47], stage_range[stage]);
1670
4.78M
  bf1[33] = clamp_value(bf0[33] + bf0[46], stage_range[stage]);
1671
4.78M
  bf1[34] = clamp_value(bf0[34] + bf0[45], stage_range[stage]);
1672
4.78M
  bf1[35] = clamp_value(bf0[35] + bf0[44], stage_range[stage]);
1673
4.78M
  bf1[36] = clamp_value(bf0[36] + bf0[43], stage_range[stage]);
1674
4.78M
  bf1[37] = clamp_value(bf0[37] + bf0[42], stage_range[stage]);
1675
4.78M
  bf1[38] = clamp_value(bf0[38] + bf0[41], stage_range[stage]);
1676
4.78M
  bf1[39] = clamp_value(bf0[39] + bf0[40], stage_range[stage]);
1677
4.78M
  bf1[40] = clamp_value(bf0[39] - bf0[40], stage_range[stage]);
1678
4.78M
  bf1[41] = clamp_value(bf0[38] - bf0[41], stage_range[stage]);
1679
4.78M
  bf1[42] = clamp_value(bf0[37] - bf0[42], stage_range[stage]);
1680
4.78M
  bf1[43] = clamp_value(bf0[36] - bf0[43], stage_range[stage]);
1681
4.78M
  bf1[44] = clamp_value(bf0[35] - bf0[44], stage_range[stage]);
1682
4.78M
  bf1[45] = clamp_value(bf0[34] - bf0[45], stage_range[stage]);
1683
4.78M
  bf1[46] = clamp_value(bf0[33] - bf0[46], stage_range[stage]);
1684
4.78M
  bf1[47] = clamp_value(bf0[32] - bf0[47], stage_range[stage]);
1685
4.78M
  bf1[48] = clamp_value(-bf0[48] + bf0[63], stage_range[stage]);
1686
4.78M
  bf1[49] = clamp_value(-bf0[49] + bf0[62], stage_range[stage]);
1687
4.78M
  bf1[50] = clamp_value(-bf0[50] + bf0[61], stage_range[stage]);
1688
4.78M
  bf1[51] = clamp_value(-bf0[51] + bf0[60], stage_range[stage]);
1689
4.78M
  bf1[52] = clamp_value(-bf0[52] + bf0[59], stage_range[stage]);
1690
4.78M
  bf1[53] = clamp_value(-bf0[53] + bf0[58], stage_range[stage]);
1691
4.78M
  bf1[54] = clamp_value(-bf0[54] + bf0[57], stage_range[stage]);
1692
4.78M
  bf1[55] = clamp_value(-bf0[55] + bf0[56], stage_range[stage]);
1693
4.78M
  bf1[56] = clamp_value(bf0[55] + bf0[56], stage_range[stage]);
1694
4.78M
  bf1[57] = clamp_value(bf0[54] + bf0[57], stage_range[stage]);
1695
4.78M
  bf1[58] = clamp_value(bf0[53] + bf0[58], stage_range[stage]);
1696
4.78M
  bf1[59] = clamp_value(bf0[52] + bf0[59], stage_range[stage]);
1697
4.78M
  bf1[60] = clamp_value(bf0[51] + bf0[60], stage_range[stage]);
1698
4.78M
  bf1[61] = clamp_value(bf0[50] + bf0[61], stage_range[stage]);
1699
4.78M
  bf1[62] = clamp_value(bf0[49] + bf0[62], stage_range[stage]);
1700
4.78M
  bf1[63] = clamp_value(bf0[48] + bf0[63], stage_range[stage]);
1701
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1702
1703
  // stage 10
1704
4.78M
  stage++;
1705
4.78M
  bf0 = output;
1706
4.78M
  bf1 = step;
1707
4.78M
  bf1[0] = clamp_value(bf0[0] + bf0[31], stage_range[stage]);
1708
4.78M
  bf1[1] = clamp_value(bf0[1] + bf0[30], stage_range[stage]);
1709
4.78M
  bf1[2] = clamp_value(bf0[2] + bf0[29], stage_range[stage]);
1710
4.78M
  bf1[3] = clamp_value(bf0[3] + bf0[28], stage_range[stage]);
1711
4.78M
  bf1[4] = clamp_value(bf0[4] + bf0[27], stage_range[stage]);
1712
4.78M
  bf1[5] = clamp_value(bf0[5] + bf0[26], stage_range[stage]);
1713
4.78M
  bf1[6] = clamp_value(bf0[6] + bf0[25], stage_range[stage]);
1714
4.78M
  bf1[7] = clamp_value(bf0[7] + bf0[24], stage_range[stage]);
1715
4.78M
  bf1[8] = clamp_value(bf0[8] + bf0[23], stage_range[stage]);
1716
4.78M
  bf1[9] = clamp_value(bf0[9] + bf0[22], stage_range[stage]);
1717
4.78M
  bf1[10] = clamp_value(bf0[10] + bf0[21], stage_range[stage]);
1718
4.78M
  bf1[11] = clamp_value(bf0[11] + bf0[20], stage_range[stage]);
1719
4.78M
  bf1[12] = clamp_value(bf0[12] + bf0[19], stage_range[stage]);
1720
4.78M
  bf1[13] = clamp_value(bf0[13] + bf0[18], stage_range[stage]);
1721
4.78M
  bf1[14] = clamp_value(bf0[14] + bf0[17], stage_range[stage]);
1722
4.78M
  bf1[15] = clamp_value(bf0[15] + bf0[16], stage_range[stage]);
1723
4.78M
  bf1[16] = clamp_value(bf0[15] - bf0[16], stage_range[stage]);
1724
4.78M
  bf1[17] = clamp_value(bf0[14] - bf0[17], stage_range[stage]);
1725
4.78M
  bf1[18] = clamp_value(bf0[13] - bf0[18], stage_range[stage]);
1726
4.78M
  bf1[19] = clamp_value(bf0[12] - bf0[19], stage_range[stage]);
1727
4.78M
  bf1[20] = clamp_value(bf0[11] - bf0[20], stage_range[stage]);
1728
4.78M
  bf1[21] = clamp_value(bf0[10] - bf0[21], stage_range[stage]);
1729
4.78M
  bf1[22] = clamp_value(bf0[9] - bf0[22], stage_range[stage]);
1730
4.78M
  bf1[23] = clamp_value(bf0[8] - bf0[23], stage_range[stage]);
1731
4.78M
  bf1[24] = clamp_value(bf0[7] - bf0[24], stage_range[stage]);
1732
4.78M
  bf1[25] = clamp_value(bf0[6] - bf0[25], stage_range[stage]);
1733
4.78M
  bf1[26] = clamp_value(bf0[5] - bf0[26], stage_range[stage]);
1734
4.78M
  bf1[27] = clamp_value(bf0[4] - bf0[27], stage_range[stage]);
1735
4.78M
  bf1[28] = clamp_value(bf0[3] - bf0[28], stage_range[stage]);
1736
4.78M
  bf1[29] = clamp_value(bf0[2] - bf0[29], stage_range[stage]);
1737
4.78M
  bf1[30] = clamp_value(bf0[1] - bf0[30], stage_range[stage]);
1738
4.78M
  bf1[31] = clamp_value(bf0[0] - bf0[31], stage_range[stage]);
1739
4.78M
  bf1[32] = bf0[32];
1740
4.78M
  bf1[33] = bf0[33];
1741
4.78M
  bf1[34] = bf0[34];
1742
4.78M
  bf1[35] = bf0[35];
1743
4.78M
  bf1[36] = bf0[36];
1744
4.78M
  bf1[37] = bf0[37];
1745
4.78M
  bf1[38] = bf0[38];
1746
4.78M
  bf1[39] = bf0[39];
1747
4.78M
  bf1[40] = half_btf(-cospi[32], bf0[40], cospi[32], bf0[55], cos_bit);
1748
4.78M
  bf1[41] = half_btf(-cospi[32], bf0[41], cospi[32], bf0[54], cos_bit);
1749
4.78M
  bf1[42] = half_btf(-cospi[32], bf0[42], cospi[32], bf0[53], cos_bit);
1750
4.78M
  bf1[43] = half_btf(-cospi[32], bf0[43], cospi[32], bf0[52], cos_bit);
1751
4.78M
  bf1[44] = half_btf(-cospi[32], bf0[44], cospi[32], bf0[51], cos_bit);
1752
4.78M
  bf1[45] = half_btf(-cospi[32], bf0[45], cospi[32], bf0[50], cos_bit);
1753
4.78M
  bf1[46] = half_btf(-cospi[32], bf0[46], cospi[32], bf0[49], cos_bit);
1754
4.78M
  bf1[47] = half_btf(-cospi[32], bf0[47], cospi[32], bf0[48], cos_bit);
1755
4.78M
  bf1[48] = half_btf(cospi[32], bf0[47], cospi[32], bf0[48], cos_bit);
1756
4.78M
  bf1[49] = half_btf(cospi[32], bf0[46], cospi[32], bf0[49], cos_bit);
1757
4.78M
  bf1[50] = half_btf(cospi[32], bf0[45], cospi[32], bf0[50], cos_bit);
1758
4.78M
  bf1[51] = half_btf(cospi[32], bf0[44], cospi[32], bf0[51], cos_bit);
1759
4.78M
  bf1[52] = half_btf(cospi[32], bf0[43], cospi[32], bf0[52], cos_bit);
1760
4.78M
  bf1[53] = half_btf(cospi[32], bf0[42], cospi[32], bf0[53], cos_bit);
1761
4.78M
  bf1[54] = half_btf(cospi[32], bf0[41], cospi[32], bf0[54], cos_bit);
1762
4.78M
  bf1[55] = half_btf(cospi[32], bf0[40], cospi[32], bf0[55], cos_bit);
1763
4.78M
  bf1[56] = bf0[56];
1764
4.78M
  bf1[57] = bf0[57];
1765
4.78M
  bf1[58] = bf0[58];
1766
4.78M
  bf1[59] = bf0[59];
1767
4.78M
  bf1[60] = bf0[60];
1768
4.78M
  bf1[61] = bf0[61];
1769
4.78M
  bf1[62] = bf0[62];
1770
4.78M
  bf1[63] = bf0[63];
1771
4.78M
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1772
1773
  // stage 11
1774
4.78M
  stage++;
1775
4.78M
  bf0 = step;
1776
4.78M
  bf1 = output;
1777
4.78M
  bf1[0] = clamp_value(bf0[0] + bf0[63], stage_range[stage]);
1778
4.78M
  bf1[1] = clamp_value(bf0[1] + bf0[62], stage_range[stage]);
1779
4.78M
  bf1[2] = clamp_value(bf0[2] + bf0[61], stage_range[stage]);
1780
4.78M
  bf1[3] = clamp_value(bf0[3] + bf0[60], stage_range[stage]);
1781
4.78M
  bf1[4] = clamp_value(bf0[4] + bf0[59], stage_range[stage]);
1782
4.78M
  bf1[5] = clamp_value(bf0[5] + bf0[58], stage_range[stage]);
1783
4.78M
  bf1[6] = clamp_value(bf0[6] + bf0[57], stage_range[stage]);
1784
4.78M
  bf1[7] = clamp_value(bf0[7] + bf0[56], stage_range[stage]);
1785
4.78M
  bf1[8] = clamp_value(bf0[8] + bf0[55], stage_range[stage]);
1786
4.78M
  bf1[9] = clamp_value(bf0[9] + bf0[54], stage_range[stage]);
1787
4.78M
  bf1[10] = clamp_value(bf0[10] + bf0[53], stage_range[stage]);
1788
4.78M
  bf1[11] = clamp_value(bf0[11] + bf0[52], stage_range[stage]);
1789
4.78M
  bf1[12] = clamp_value(bf0[12] + bf0[51], stage_range[stage]);
1790
4.78M
  bf1[13] = clamp_value(bf0[13] + bf0[50], stage_range[stage]);
1791
4.78M
  bf1[14] = clamp_value(bf0[14] + bf0[49], stage_range[stage]);
1792
4.78M
  bf1[15] = clamp_value(bf0[15] + bf0[48], stage_range[stage]);
1793
4.78M
  bf1[16] = clamp_value(bf0[16] + bf0[47], stage_range[stage]);
1794
4.78M
  bf1[17] = clamp_value(bf0[17] + bf0[46], stage_range[stage]);
1795
4.78M
  bf1[18] = clamp_value(bf0[18] + bf0[45], stage_range[stage]);
1796
4.78M
  bf1[19] = clamp_value(bf0[19] + bf0[44], stage_range[stage]);
1797
4.78M
  bf1[20] = clamp_value(bf0[20] + bf0[43], stage_range[stage]);
1798
4.78M
  bf1[21] = clamp_value(bf0[21] + bf0[42], stage_range[stage]);
1799
4.78M
  bf1[22] = clamp_value(bf0[22] + bf0[41], stage_range[stage]);
1800
4.78M
  bf1[23] = clamp_value(bf0[23] + bf0[40], stage_range[stage]);
1801
4.78M
  bf1[24] = clamp_value(bf0[24] + bf0[39], stage_range[stage]);
1802
4.78M
  bf1[25] = clamp_value(bf0[25] + bf0[38], stage_range[stage]);
1803
4.78M
  bf1[26] = clamp_value(bf0[26] + bf0[37], stage_range[stage]);
1804
4.78M
  bf1[27] = clamp_value(bf0[27] + bf0[36], stage_range[stage]);
1805
4.78M
  bf1[28] = clamp_value(bf0[28] + bf0[35], stage_range[stage]);
1806
4.78M
  bf1[29] = clamp_value(bf0[29] + bf0[34], stage_range[stage]);
1807
4.78M
  bf1[30] = clamp_value(bf0[30] + bf0[33], stage_range[stage]);
1808
4.78M
  bf1[31] = clamp_value(bf0[31] + bf0[32], stage_range[stage]);
1809
4.78M
  bf1[32] = clamp_value(bf0[31] - bf0[32], stage_range[stage]);
1810
4.78M
  bf1[33] = clamp_value(bf0[30] - bf0[33], stage_range[stage]);
1811
4.78M
  bf1[34] = clamp_value(bf0[29] - bf0[34], stage_range[stage]);
1812
4.78M
  bf1[35] = clamp_value(bf0[28] - bf0[35], stage_range[stage]);
1813
4.78M
  bf1[36] = clamp_value(bf0[27] - bf0[36], stage_range[stage]);
1814
4.78M
  bf1[37] = clamp_value(bf0[26] - bf0[37], stage_range[stage]);
1815
4.78M
  bf1[38] = clamp_value(bf0[25] - bf0[38], stage_range[stage]);
1816
4.78M
  bf1[39] = clamp_value(bf0[24] - bf0[39], stage_range[stage]);
1817
4.78M
  bf1[40] = clamp_value(bf0[23] - bf0[40], stage_range[stage]);
1818
4.78M
  bf1[41] = clamp_value(bf0[22] - bf0[41], stage_range[stage]);
1819
4.78M
  bf1[42] = clamp_value(bf0[21] - bf0[42], stage_range[stage]);
1820
4.78M
  bf1[43] = clamp_value(bf0[20] - bf0[43], stage_range[stage]);
1821
4.78M
  bf1[44] = clamp_value(bf0[19] - bf0[44], stage_range[stage]);
1822
4.78M
  bf1[45] = clamp_value(bf0[18] - bf0[45], stage_range[stage]);
1823
4.78M
  bf1[46] = clamp_value(bf0[17] - bf0[46], stage_range[stage]);
1824
4.78M
  bf1[47] = clamp_value(bf0[16] - bf0[47], stage_range[stage]);
1825
4.78M
  bf1[48] = clamp_value(bf0[15] - bf0[48], stage_range[stage]);
1826
4.78M
  bf1[49] = clamp_value(bf0[14] - bf0[49], stage_range[stage]);
1827
4.78M
  bf1[50] = clamp_value(bf0[13] - bf0[50], stage_range[stage]);
1828
4.78M
  bf1[51] = clamp_value(bf0[12] - bf0[51], stage_range[stage]);
1829
4.78M
  bf1[52] = clamp_value(bf0[11] - bf0[52], stage_range[stage]);
1830
4.78M
  bf1[53] = clamp_value(bf0[10] - bf0[53], stage_range[stage]);
1831
4.78M
  bf1[54] = clamp_value(bf0[9] - bf0[54], stage_range[stage]);
1832
4.78M
  bf1[55] = clamp_value(bf0[8] - bf0[55], stage_range[stage]);
1833
4.78M
  bf1[56] = clamp_value(bf0[7] - bf0[56], stage_range[stage]);
1834
4.78M
  bf1[57] = clamp_value(bf0[6] - bf0[57], stage_range[stage]);
1835
4.78M
  bf1[58] = clamp_value(bf0[5] - bf0[58], stage_range[stage]);
1836
4.78M
  bf1[59] = clamp_value(bf0[4] - bf0[59], stage_range[stage]);
1837
4.78M
  bf1[60] = clamp_value(bf0[3] - bf0[60], stage_range[stage]);
1838
4.78M
  bf1[61] = clamp_value(bf0[2] - bf0[61], stage_range[stage]);
1839
4.78M
  bf1[62] = clamp_value(bf0[1] - bf0[62], stage_range[stage]);
1840
4.78M
  bf1[63] = clamp_value(bf0[0] - bf0[63], stage_range[stage]);
1841
4.78M
}