Coverage Report

Created: 2025-06-13 07:07

/src/aom/av1/common/av1_inv_txfm1d.c
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/*
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 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
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 *
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 * This source code is subject to the terms of the BSD 2 Clause License and
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 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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 * was not distributed with this source code in the LICENSE file, you can
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 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
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 * Media Patent License 1.0 was not distributed with this source code in the
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 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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 */
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12
#include <stdlib.h>
13
#include "av1/common/av1_inv_txfm1d.h"
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#include "av1/common/av1_txfm.h"
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void av1_idct4(const int32_t *input, int32_t *output, int8_t cos_bit,
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0
               const int8_t *stage_range) {
18
0
  assert(output != input);
19
0
  const int32_t size = 4;
20
0
  const int32_t *cospi = cospi_arr(cos_bit);
21
22
0
  int32_t stage = 0;
23
0
  int32_t *bf0, *bf1;
24
0
  int32_t step[4];
25
26
  // stage 0;
27
28
  // stage 1;
29
0
  stage++;
30
0
  bf1 = output;
31
0
  bf1[0] = input[0];
32
0
  bf1[1] = input[2];
33
0
  bf1[2] = input[1];
34
0
  bf1[3] = input[3];
35
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
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37
  // stage 2
38
0
  stage++;
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0
  bf0 = output;
40
0
  bf1 = step;
41
0
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
42
0
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
43
0
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
44
0
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
45
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
46
47
  // stage 3
48
0
  stage++;
49
0
  bf0 = step;
50
0
  bf1 = output;
51
0
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
52
0
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
53
0
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
54
0
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
55
0
}
56
57
void av1_idct8(const int32_t *input, int32_t *output, int8_t cos_bit,
58
0
               const int8_t *stage_range) {
59
0
  assert(output != input);
60
0
  const int32_t size = 8;
61
0
  const int32_t *cospi = cospi_arr(cos_bit);
62
63
0
  int32_t stage = 0;
64
0
  int32_t *bf0, *bf1;
65
0
  int32_t step[8];
66
67
  // stage 0;
68
69
  // stage 1;
70
0
  stage++;
71
0
  bf1 = output;
72
0
  bf1[0] = input[0];
73
0
  bf1[1] = input[4];
74
0
  bf1[2] = input[2];
75
0
  bf1[3] = input[6];
76
0
  bf1[4] = input[1];
77
0
  bf1[5] = input[5];
78
0
  bf1[6] = input[3];
79
0
  bf1[7] = input[7];
80
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
81
82
  // stage 2
83
0
  stage++;
84
0
  bf0 = output;
85
0
  bf1 = step;
86
0
  bf1[0] = bf0[0];
87
0
  bf1[1] = bf0[1];
88
0
  bf1[2] = bf0[2];
89
0
  bf1[3] = bf0[3];
90
0
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
91
0
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
92
0
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
93
0
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
94
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
95
96
  // stage 3
97
0
  stage++;
98
0
  bf0 = step;
99
0
  bf1 = output;
100
0
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
101
0
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
102
0
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
103
0
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
104
0
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
105
0
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
106
0
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
107
0
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
108
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
109
110
  // stage 4
111
0
  stage++;
112
0
  bf0 = output;
113
0
  bf1 = step;
114
0
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
115
0
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
116
0
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
117
0
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
118
0
  bf1[4] = bf0[4];
119
0
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
120
0
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
121
0
  bf1[7] = bf0[7];
122
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
123
124
  // stage 5
125
0
  stage++;
126
0
  bf0 = step;
127
0
  bf1 = output;
128
0
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
129
0
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
130
0
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
131
0
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
132
0
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
133
0
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
134
0
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
135
0
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
136
0
}
137
138
void av1_idct16(const int32_t *input, int32_t *output, int8_t cos_bit,
139
0
                const int8_t *stage_range) {
140
0
  assert(output != input);
141
0
  const int32_t size = 16;
142
0
  const int32_t *cospi = cospi_arr(cos_bit);
143
144
0
  int32_t stage = 0;
145
0
  int32_t *bf0, *bf1;
146
0
  int32_t step[16];
147
148
  // stage 0;
149
150
  // stage 1;
151
0
  stage++;
152
0
  bf1 = output;
153
0
  bf1[0] = input[0];
154
0
  bf1[1] = input[8];
155
0
  bf1[2] = input[4];
156
0
  bf1[3] = input[12];
157
0
  bf1[4] = input[2];
158
0
  bf1[5] = input[10];
159
0
  bf1[6] = input[6];
160
0
  bf1[7] = input[14];
161
0
  bf1[8] = input[1];
162
0
  bf1[9] = input[9];
163
0
  bf1[10] = input[5];
164
0
  bf1[11] = input[13];
165
0
  bf1[12] = input[3];
166
0
  bf1[13] = input[11];
167
0
  bf1[14] = input[7];
168
0
  bf1[15] = input[15];
169
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
170
171
  // stage 2
172
0
  stage++;
173
0
  bf0 = output;
174
0
  bf1 = step;
175
0
  bf1[0] = bf0[0];
176
0
  bf1[1] = bf0[1];
177
0
  bf1[2] = bf0[2];
178
0
  bf1[3] = bf0[3];
179
0
  bf1[4] = bf0[4];
180
0
  bf1[5] = bf0[5];
181
0
  bf1[6] = bf0[6];
182
0
  bf1[7] = bf0[7];
183
0
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
184
0
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
185
0
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
186
0
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
187
0
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
188
0
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
189
0
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
190
0
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
191
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
192
193
  // stage 3
194
0
  stage++;
195
0
  bf0 = step;
196
0
  bf1 = output;
197
0
  bf1[0] = bf0[0];
198
0
  bf1[1] = bf0[1];
199
0
  bf1[2] = bf0[2];
200
0
  bf1[3] = bf0[3];
201
0
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
202
0
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
203
0
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
204
0
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
205
0
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
206
0
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
207
0
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
208
0
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
209
0
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
210
0
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
211
0
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
212
0
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
213
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
214
215
  // stage 4
216
0
  stage++;
217
0
  bf0 = output;
218
0
  bf1 = step;
219
0
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
220
0
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
221
0
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
222
0
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
223
0
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
224
0
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
225
0
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
226
0
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
227
0
  bf1[8] = bf0[8];
228
0
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
229
0
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
230
0
  bf1[11] = bf0[11];
231
0
  bf1[12] = bf0[12];
232
0
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
233
0
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
234
0
  bf1[15] = bf0[15];
235
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
236
237
  // stage 5
238
0
  stage++;
239
0
  bf0 = step;
240
0
  bf1 = output;
241
0
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
242
0
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
243
0
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
244
0
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
245
0
  bf1[4] = bf0[4];
246
0
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
247
0
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
248
0
  bf1[7] = bf0[7];
249
0
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
250
0
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
251
0
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
252
0
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
253
0
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
254
0
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
255
0
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
256
0
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
257
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
258
259
  // stage 6
260
0
  stage++;
261
0
  bf0 = output;
262
0
  bf1 = step;
263
0
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
264
0
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
265
0
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
266
0
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
267
0
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
268
0
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
269
0
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
270
0
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
271
0
  bf1[8] = bf0[8];
272
0
  bf1[9] = bf0[9];
273
0
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
274
0
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
275
0
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
276
0
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
277
0
  bf1[14] = bf0[14];
278
0
  bf1[15] = bf0[15];
279
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
280
281
  // stage 7
282
0
  stage++;
283
0
  bf0 = step;
284
0
  bf1 = output;
285
0
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
286
0
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
287
0
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
288
0
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
289
0
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
290
0
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
291
0
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
292
0
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
293
0
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
294
0
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
295
0
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
296
0
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
297
0
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
298
0
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
299
0
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
300
0
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
301
0
}
302
303
void av1_idct32(const int32_t *input, int32_t *output, int8_t cos_bit,
304
0
                const int8_t *stage_range) {
305
0
  assert(output != input);
306
0
  const int32_t size = 32;
307
0
  const int32_t *cospi = cospi_arr(cos_bit);
308
309
0
  int32_t stage = 0;
310
0
  int32_t *bf0, *bf1;
311
0
  int32_t step[32];
312
313
  // stage 0;
314
315
  // stage 1;
316
0
  stage++;
317
0
  bf1 = output;
318
0
  bf1[0] = input[0];
319
0
  bf1[1] = input[16];
320
0
  bf1[2] = input[8];
321
0
  bf1[3] = input[24];
322
0
  bf1[4] = input[4];
323
0
  bf1[5] = input[20];
324
0
  bf1[6] = input[12];
325
0
  bf1[7] = input[28];
326
0
  bf1[8] = input[2];
327
0
  bf1[9] = input[18];
328
0
  bf1[10] = input[10];
329
0
  bf1[11] = input[26];
330
0
  bf1[12] = input[6];
331
0
  bf1[13] = input[22];
332
0
  bf1[14] = input[14];
333
0
  bf1[15] = input[30];
334
0
  bf1[16] = input[1];
335
0
  bf1[17] = input[17];
336
0
  bf1[18] = input[9];
337
0
  bf1[19] = input[25];
338
0
  bf1[20] = input[5];
339
0
  bf1[21] = input[21];
340
0
  bf1[22] = input[13];
341
0
  bf1[23] = input[29];
342
0
  bf1[24] = input[3];
343
0
  bf1[25] = input[19];
344
0
  bf1[26] = input[11];
345
0
  bf1[27] = input[27];
346
0
  bf1[28] = input[7];
347
0
  bf1[29] = input[23];
348
0
  bf1[30] = input[15];
349
0
  bf1[31] = input[31];
350
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
351
352
  // stage 2
353
0
  stage++;
354
0
  bf0 = output;
355
0
  bf1 = step;
356
0
  bf1[0] = bf0[0];
357
0
  bf1[1] = bf0[1];
358
0
  bf1[2] = bf0[2];
359
0
  bf1[3] = bf0[3];
360
0
  bf1[4] = bf0[4];
361
0
  bf1[5] = bf0[5];
362
0
  bf1[6] = bf0[6];
363
0
  bf1[7] = bf0[7];
364
0
  bf1[8] = bf0[8];
365
0
  bf1[9] = bf0[9];
366
0
  bf1[10] = bf0[10];
367
0
  bf1[11] = bf0[11];
368
0
  bf1[12] = bf0[12];
369
0
  bf1[13] = bf0[13];
370
0
  bf1[14] = bf0[14];
371
0
  bf1[15] = bf0[15];
372
0
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit);
373
0
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit);
374
0
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit);
375
0
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit);
376
0
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit);
377
0
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit);
378
0
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit);
379
0
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit);
380
0
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit);
381
0
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit);
382
0
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit);
383
0
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit);
384
0
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit);
385
0
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit);
386
0
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit);
387
0
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit);
388
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
389
390
  // stage 3
391
0
  stage++;
392
0
  bf0 = step;
393
0
  bf1 = output;
394
0
  bf1[0] = bf0[0];
395
0
  bf1[1] = bf0[1];
396
0
  bf1[2] = bf0[2];
397
0
  bf1[3] = bf0[3];
398
0
  bf1[4] = bf0[4];
399
0
  bf1[5] = bf0[5];
400
0
  bf1[6] = bf0[6];
401
0
  bf1[7] = bf0[7];
402
0
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
403
0
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
404
0
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
405
0
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
406
0
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
407
0
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
408
0
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
409
0
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
410
0
  bf1[16] = clamp_value(bf0[16] + bf0[17], stage_range[stage]);
411
0
  bf1[17] = clamp_value(bf0[16] - bf0[17], stage_range[stage]);
412
0
  bf1[18] = clamp_value(-bf0[18] + bf0[19], stage_range[stage]);
413
0
  bf1[19] = clamp_value(bf0[18] + bf0[19], stage_range[stage]);
414
0
  bf1[20] = clamp_value(bf0[20] + bf0[21], stage_range[stage]);
415
0
  bf1[21] = clamp_value(bf0[20] - bf0[21], stage_range[stage]);
416
0
  bf1[22] = clamp_value(-bf0[22] + bf0[23], stage_range[stage]);
417
0
  bf1[23] = clamp_value(bf0[22] + bf0[23], stage_range[stage]);
418
0
  bf1[24] = clamp_value(bf0[24] + bf0[25], stage_range[stage]);
419
0
  bf1[25] = clamp_value(bf0[24] - bf0[25], stage_range[stage]);
420
0
  bf1[26] = clamp_value(-bf0[26] + bf0[27], stage_range[stage]);
421
0
  bf1[27] = clamp_value(bf0[26] + bf0[27], stage_range[stage]);
422
0
  bf1[28] = clamp_value(bf0[28] + bf0[29], stage_range[stage]);
423
0
  bf1[29] = clamp_value(bf0[28] - bf0[29], stage_range[stage]);
424
0
  bf1[30] = clamp_value(-bf0[30] + bf0[31], stage_range[stage]);
425
0
  bf1[31] = clamp_value(bf0[30] + bf0[31], stage_range[stage]);
426
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
427
428
  // stage 4
429
0
  stage++;
430
0
  bf0 = output;
431
0
  bf1 = step;
432
0
  bf1[0] = bf0[0];
433
0
  bf1[1] = bf0[1];
434
0
  bf1[2] = bf0[2];
435
0
  bf1[3] = bf0[3];
436
0
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
437
0
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
438
0
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
439
0
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
440
0
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
441
0
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
442
0
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
443
0
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
444
0
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
445
0
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
446
0
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
447
0
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
448
0
  bf1[16] = bf0[16];
449
0
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit);
450
0
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit);
451
0
  bf1[19] = bf0[19];
452
0
  bf1[20] = bf0[20];
453
0
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit);
454
0
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit);
455
0
  bf1[23] = bf0[23];
456
0
  bf1[24] = bf0[24];
457
0
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit);
458
0
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit);
459
0
  bf1[27] = bf0[27];
460
0
  bf1[28] = bf0[28];
461
0
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit);
462
0
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit);
463
0
  bf1[31] = bf0[31];
464
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
465
466
  // stage 5
467
0
  stage++;
468
0
  bf0 = step;
469
0
  bf1 = output;
470
0
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
471
0
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
472
0
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
473
0
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
474
0
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
475
0
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
476
0
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
477
0
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
478
0
  bf1[8] = bf0[8];
479
0
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
480
0
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
481
0
  bf1[11] = bf0[11];
482
0
  bf1[12] = bf0[12];
483
0
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
484
0
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
485
0
  bf1[15] = bf0[15];
486
0
  bf1[16] = clamp_value(bf0[16] + bf0[19], stage_range[stage]);
487
0
  bf1[17] = clamp_value(bf0[17] + bf0[18], stage_range[stage]);
488
0
  bf1[18] = clamp_value(bf0[17] - bf0[18], stage_range[stage]);
489
0
  bf1[19] = clamp_value(bf0[16] - bf0[19], stage_range[stage]);
490
0
  bf1[20] = clamp_value(-bf0[20] + bf0[23], stage_range[stage]);
491
0
  bf1[21] = clamp_value(-bf0[21] + bf0[22], stage_range[stage]);
492
0
  bf1[22] = clamp_value(bf0[21] + bf0[22], stage_range[stage]);
493
0
  bf1[23] = clamp_value(bf0[20] + bf0[23], stage_range[stage]);
494
0
  bf1[24] = clamp_value(bf0[24] + bf0[27], stage_range[stage]);
495
0
  bf1[25] = clamp_value(bf0[25] + bf0[26], stage_range[stage]);
496
0
  bf1[26] = clamp_value(bf0[25] - bf0[26], stage_range[stage]);
497
0
  bf1[27] = clamp_value(bf0[24] - bf0[27], stage_range[stage]);
498
0
  bf1[28] = clamp_value(-bf0[28] + bf0[31], stage_range[stage]);
499
0
  bf1[29] = clamp_value(-bf0[29] + bf0[30], stage_range[stage]);
500
0
  bf1[30] = clamp_value(bf0[29] + bf0[30], stage_range[stage]);
501
0
  bf1[31] = clamp_value(bf0[28] + bf0[31], stage_range[stage]);
502
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
503
504
  // stage 6
505
0
  stage++;
506
0
  bf0 = output;
507
0
  bf1 = step;
508
0
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
509
0
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
510
0
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
511
0
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
512
0
  bf1[4] = bf0[4];
513
0
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
514
0
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
515
0
  bf1[7] = bf0[7];
516
0
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
517
0
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
518
0
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
519
0
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
520
0
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
521
0
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
522
0
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
523
0
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
524
0
  bf1[16] = bf0[16];
525
0
  bf1[17] = bf0[17];
526
0
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit);
527
0
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit);
528
0
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit);
529
0
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit);
530
0
  bf1[22] = bf0[22];
531
0
  bf1[23] = bf0[23];
532
0
  bf1[24] = bf0[24];
533
0
  bf1[25] = bf0[25];
534
0
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit);
535
0
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit);
536
0
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit);
537
0
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit);
538
0
  bf1[30] = bf0[30];
539
0
  bf1[31] = bf0[31];
540
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
541
542
  // stage 7
543
0
  stage++;
544
0
  bf0 = step;
545
0
  bf1 = output;
546
0
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
547
0
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
548
0
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
549
0
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
550
0
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
551
0
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
552
0
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
553
0
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
554
0
  bf1[8] = bf0[8];
555
0
  bf1[9] = bf0[9];
556
0
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
557
0
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
558
0
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
559
0
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
560
0
  bf1[14] = bf0[14];
561
0
  bf1[15] = bf0[15];
562
0
  bf1[16] = clamp_value(bf0[16] + bf0[23], stage_range[stage]);
563
0
  bf1[17] = clamp_value(bf0[17] + bf0[22], stage_range[stage]);
564
0
  bf1[18] = clamp_value(bf0[18] + bf0[21], stage_range[stage]);
565
0
  bf1[19] = clamp_value(bf0[19] + bf0[20], stage_range[stage]);
566
0
  bf1[20] = clamp_value(bf0[19] - bf0[20], stage_range[stage]);
567
0
  bf1[21] = clamp_value(bf0[18] - bf0[21], stage_range[stage]);
568
0
  bf1[22] = clamp_value(bf0[17] - bf0[22], stage_range[stage]);
569
0
  bf1[23] = clamp_value(bf0[16] - bf0[23], stage_range[stage]);
570
0
  bf1[24] = clamp_value(-bf0[24] + bf0[31], stage_range[stage]);
571
0
  bf1[25] = clamp_value(-bf0[25] + bf0[30], stage_range[stage]);
572
0
  bf1[26] = clamp_value(-bf0[26] + bf0[29], stage_range[stage]);
573
0
  bf1[27] = clamp_value(-bf0[27] + bf0[28], stage_range[stage]);
574
0
  bf1[28] = clamp_value(bf0[27] + bf0[28], stage_range[stage]);
575
0
  bf1[29] = clamp_value(bf0[26] + bf0[29], stage_range[stage]);
576
0
  bf1[30] = clamp_value(bf0[25] + bf0[30], stage_range[stage]);
577
0
  bf1[31] = clamp_value(bf0[24] + bf0[31], stage_range[stage]);
578
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
579
580
  // stage 8
581
0
  stage++;
582
0
  bf0 = output;
583
0
  bf1 = step;
584
0
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
585
0
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
586
0
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
587
0
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
588
0
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
589
0
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
590
0
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
591
0
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
592
0
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
593
0
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
594
0
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
595
0
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
596
0
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
597
0
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
598
0
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
599
0
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
600
0
  bf1[16] = bf0[16];
601
0
  bf1[17] = bf0[17];
602
0
  bf1[18] = bf0[18];
603
0
  bf1[19] = bf0[19];
604
0
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
605
0
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
606
0
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
607
0
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
608
0
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
609
0
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
610
0
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
611
0
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
612
0
  bf1[28] = bf0[28];
613
0
  bf1[29] = bf0[29];
614
0
  bf1[30] = bf0[30];
615
0
  bf1[31] = bf0[31];
616
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
617
618
  // stage 9
619
0
  stage++;
620
0
  bf0 = step;
621
0
  bf1 = output;
622
0
  bf1[0] = clamp_value(bf0[0] + bf0[31], stage_range[stage]);
623
0
  bf1[1] = clamp_value(bf0[1] + bf0[30], stage_range[stage]);
624
0
  bf1[2] = clamp_value(bf0[2] + bf0[29], stage_range[stage]);
625
0
  bf1[3] = clamp_value(bf0[3] + bf0[28], stage_range[stage]);
626
0
  bf1[4] = clamp_value(bf0[4] + bf0[27], stage_range[stage]);
627
0
  bf1[5] = clamp_value(bf0[5] + bf0[26], stage_range[stage]);
628
0
  bf1[6] = clamp_value(bf0[6] + bf0[25], stage_range[stage]);
629
0
  bf1[7] = clamp_value(bf0[7] + bf0[24], stage_range[stage]);
630
0
  bf1[8] = clamp_value(bf0[8] + bf0[23], stage_range[stage]);
631
0
  bf1[9] = clamp_value(bf0[9] + bf0[22], stage_range[stage]);
632
0
  bf1[10] = clamp_value(bf0[10] + bf0[21], stage_range[stage]);
633
0
  bf1[11] = clamp_value(bf0[11] + bf0[20], stage_range[stage]);
634
0
  bf1[12] = clamp_value(bf0[12] + bf0[19], stage_range[stage]);
635
0
  bf1[13] = clamp_value(bf0[13] + bf0[18], stage_range[stage]);
636
0
  bf1[14] = clamp_value(bf0[14] + bf0[17], stage_range[stage]);
637
0
  bf1[15] = clamp_value(bf0[15] + bf0[16], stage_range[stage]);
638
0
  bf1[16] = clamp_value(bf0[15] - bf0[16], stage_range[stage]);
639
0
  bf1[17] = clamp_value(bf0[14] - bf0[17], stage_range[stage]);
640
0
  bf1[18] = clamp_value(bf0[13] - bf0[18], stage_range[stage]);
641
0
  bf1[19] = clamp_value(bf0[12] - bf0[19], stage_range[stage]);
642
0
  bf1[20] = clamp_value(bf0[11] - bf0[20], stage_range[stage]);
643
0
  bf1[21] = clamp_value(bf0[10] - bf0[21], stage_range[stage]);
644
0
  bf1[22] = clamp_value(bf0[9] - bf0[22], stage_range[stage]);
645
0
  bf1[23] = clamp_value(bf0[8] - bf0[23], stage_range[stage]);
646
0
  bf1[24] = clamp_value(bf0[7] - bf0[24], stage_range[stage]);
647
0
  bf1[25] = clamp_value(bf0[6] - bf0[25], stage_range[stage]);
648
0
  bf1[26] = clamp_value(bf0[5] - bf0[26], stage_range[stage]);
649
0
  bf1[27] = clamp_value(bf0[4] - bf0[27], stage_range[stage]);
650
0
  bf1[28] = clamp_value(bf0[3] - bf0[28], stage_range[stage]);
651
0
  bf1[29] = clamp_value(bf0[2] - bf0[29], stage_range[stage]);
652
0
  bf1[30] = clamp_value(bf0[1] - bf0[30], stage_range[stage]);
653
0
  bf1[31] = clamp_value(bf0[0] - bf0[31], stage_range[stage]);
654
0
}
655
656
void av1_iadst4(const int32_t *input, int32_t *output, int8_t cos_bit,
657
0
                const int8_t *stage_range) {
658
0
  int bit = cos_bit;
659
0
  const int32_t *sinpi = sinpi_arr(bit);
660
0
  int32_t s0, s1, s2, s3, s4, s5, s6, s7;
661
662
0
  int32_t x0 = input[0];
663
0
  int32_t x1 = input[1];
664
0
  int32_t x2 = input[2];
665
0
  int32_t x3 = input[3];
666
667
0
  if (!(x0 | x1 | x2 | x3)) {
668
0
    output[0] = output[1] = output[2] = output[3] = 0;
669
0
    return;
670
0
  }
671
672
0
  assert(sinpi[1] + sinpi[2] == sinpi[4]);
673
674
  // stage 1
675
0
  s0 = range_check_value(sinpi[1] * x0, stage_range[1] + bit);
676
0
  s1 = range_check_value(sinpi[2] * x0, stage_range[1] + bit);
677
0
  s2 = range_check_value(sinpi[3] * x1, stage_range[1] + bit);
678
0
  s3 = range_check_value(sinpi[4] * x2, stage_range[1] + bit);
679
0
  s4 = range_check_value(sinpi[1] * x2, stage_range[1] + bit);
680
0
  s5 = range_check_value(sinpi[2] * x3, stage_range[1] + bit);
681
0
  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
0
  s7 = range_check_value((x0 - x2) + x3, stage_range[2]);
687
688
  // stage 3
689
0
  s0 = range_check_value(s0 + s3, stage_range[3] + bit);
690
0
  s1 = range_check_value(s1 - s4, stage_range[3] + bit);
691
0
  s3 = range_check_value(s2, stage_range[3] + bit);
692
0
  s2 = range_check_value(sinpi[3] * s7, stage_range[3] + bit);
693
694
  // stage 4
695
0
  s0 = range_check_value(s0 + s5, stage_range[4] + bit);
696
0
  s1 = range_check_value(s1 - s6, stage_range[4] + bit);
697
698
  // stage 5
699
0
  x0 = range_check_value(s0 + s3, stage_range[5] + bit);
700
0
  x1 = range_check_value(s1 + s3, stage_range[5] + bit);
701
0
  x2 = range_check_value(s2, stage_range[5] + bit);
702
0
  x3 = range_check_value(s0 + s1, stage_range[5] + bit);
703
704
  // stage 6
705
0
  x3 = range_check_value(x3 - s3, stage_range[6] + bit);
706
707
0
  output[0] = round_shift(x0, bit);
708
0
  output[1] = round_shift(x1, bit);
709
0
  output[2] = round_shift(x2, bit);
710
0
  output[3] = round_shift(x3, bit);
711
0
}
712
713
void av1_iadst8(const int32_t *input, int32_t *output, int8_t cos_bit,
714
0
                const int8_t *stage_range) {
715
0
  assert(output != input);
716
0
  const int32_t size = 8;
717
0
  const int32_t *cospi = cospi_arr(cos_bit);
718
719
0
  int32_t stage = 0;
720
0
  int32_t *bf0, *bf1;
721
0
  int32_t step[8];
722
723
  // stage 0;
724
725
  // stage 1;
726
0
  stage++;
727
0
  bf1 = output;
728
0
  bf1[0] = input[7];
729
0
  bf1[1] = input[0];
730
0
  bf1[2] = input[5];
731
0
  bf1[3] = input[2];
732
0
  bf1[4] = input[3];
733
0
  bf1[5] = input[4];
734
0
  bf1[6] = input[1];
735
0
  bf1[7] = input[6];
736
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
737
738
  // stage 2
739
0
  stage++;
740
0
  bf0 = output;
741
0
  bf1 = step;
742
0
  bf1[0] = half_btf(cospi[4], bf0[0], cospi[60], bf0[1], cos_bit);
743
0
  bf1[1] = half_btf(cospi[60], bf0[0], -cospi[4], bf0[1], cos_bit);
744
0
  bf1[2] = half_btf(cospi[20], bf0[2], cospi[44], bf0[3], cos_bit);
745
0
  bf1[3] = half_btf(cospi[44], bf0[2], -cospi[20], bf0[3], cos_bit);
746
0
  bf1[4] = half_btf(cospi[36], bf0[4], cospi[28], bf0[5], cos_bit);
747
0
  bf1[5] = half_btf(cospi[28], bf0[4], -cospi[36], bf0[5], cos_bit);
748
0
  bf1[6] = half_btf(cospi[52], bf0[6], cospi[12], bf0[7], cos_bit);
749
0
  bf1[7] = half_btf(cospi[12], bf0[6], -cospi[52], bf0[7], cos_bit);
750
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
751
752
  // stage 3
753
0
  stage++;
754
0
  bf0 = step;
755
0
  bf1 = output;
756
0
  bf1[0] = clamp_value(bf0[0] + bf0[4], stage_range[stage]);
757
0
  bf1[1] = clamp_value(bf0[1] + bf0[5], stage_range[stage]);
758
0
  bf1[2] = clamp_value(bf0[2] + bf0[6], stage_range[stage]);
759
0
  bf1[3] = clamp_value(bf0[3] + bf0[7], stage_range[stage]);
760
0
  bf1[4] = clamp_value(bf0[0] - bf0[4], stage_range[stage]);
761
0
  bf1[5] = clamp_value(bf0[1] - bf0[5], stage_range[stage]);
762
0
  bf1[6] = clamp_value(bf0[2] - bf0[6], stage_range[stage]);
763
0
  bf1[7] = clamp_value(bf0[3] - bf0[7], stage_range[stage]);
764
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
765
766
  // stage 4
767
0
  stage++;
768
0
  bf0 = output;
769
0
  bf1 = step;
770
0
  bf1[0] = bf0[0];
771
0
  bf1[1] = bf0[1];
772
0
  bf1[2] = bf0[2];
773
0
  bf1[3] = bf0[3];
774
0
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit);
775
0
  bf1[5] = half_btf(cospi[48], bf0[4], -cospi[16], bf0[5], cos_bit);
776
0
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit);
777
0
  bf1[7] = half_btf(cospi[16], bf0[6], cospi[48], bf0[7], cos_bit);
778
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
779
780
  // stage 5
781
0
  stage++;
782
0
  bf0 = step;
783
0
  bf1 = output;
784
0
  bf1[0] = clamp_value(bf0[0] + bf0[2], stage_range[stage]);
785
0
  bf1[1] = clamp_value(bf0[1] + bf0[3], stage_range[stage]);
786
0
  bf1[2] = clamp_value(bf0[0] - bf0[2], stage_range[stage]);
787
0
  bf1[3] = clamp_value(bf0[1] - bf0[3], stage_range[stage]);
788
0
  bf1[4] = clamp_value(bf0[4] + bf0[6], stage_range[stage]);
789
0
  bf1[5] = clamp_value(bf0[5] + bf0[7], stage_range[stage]);
790
0
  bf1[6] = clamp_value(bf0[4] - bf0[6], stage_range[stage]);
791
0
  bf1[7] = clamp_value(bf0[5] - bf0[7], stage_range[stage]);
792
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
793
794
  // stage 6
795
0
  stage++;
796
0
  bf0 = output;
797
0
  bf1 = step;
798
0
  bf1[0] = bf0[0];
799
0
  bf1[1] = bf0[1];
800
0
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit);
801
0
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit);
802
0
  bf1[4] = bf0[4];
803
0
  bf1[5] = bf0[5];
804
0
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit);
805
0
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit);
806
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
807
808
  // stage 7
809
0
  bf0 = step;
810
0
  bf1 = output;
811
0
  bf1[0] = bf0[0];
812
0
  bf1[1] = -bf0[4];
813
0
  bf1[2] = bf0[6];
814
0
  bf1[3] = -bf0[2];
815
0
  bf1[4] = bf0[3];
816
0
  bf1[5] = -bf0[7];
817
0
  bf1[6] = bf0[5];
818
0
  bf1[7] = -bf0[1];
819
0
}
820
821
void av1_iadst16(const int32_t *input, int32_t *output, int8_t cos_bit,
822
0
                 const int8_t *stage_range) {
823
0
  assert(output != input);
824
0
  const int32_t size = 16;
825
0
  const int32_t *cospi = cospi_arr(cos_bit);
826
827
0
  int32_t stage = 0;
828
0
  int32_t *bf0, *bf1;
829
0
  int32_t step[16];
830
831
  // stage 0;
832
833
  // stage 1;
834
0
  stage++;
835
0
  bf1 = output;
836
0
  bf1[0] = input[15];
837
0
  bf1[1] = input[0];
838
0
  bf1[2] = input[13];
839
0
  bf1[3] = input[2];
840
0
  bf1[4] = input[11];
841
0
  bf1[5] = input[4];
842
0
  bf1[6] = input[9];
843
0
  bf1[7] = input[6];
844
0
  bf1[8] = input[7];
845
0
  bf1[9] = input[8];
846
0
  bf1[10] = input[5];
847
0
  bf1[11] = input[10];
848
0
  bf1[12] = input[3];
849
0
  bf1[13] = input[12];
850
0
  bf1[14] = input[1];
851
0
  bf1[15] = input[14];
852
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
853
854
  // stage 2
855
0
  stage++;
856
0
  bf0 = output;
857
0
  bf1 = step;
858
0
  bf1[0] = half_btf(cospi[2], bf0[0], cospi[62], bf0[1], cos_bit);
859
0
  bf1[1] = half_btf(cospi[62], bf0[0], -cospi[2], bf0[1], cos_bit);
860
0
  bf1[2] = half_btf(cospi[10], bf0[2], cospi[54], bf0[3], cos_bit);
861
0
  bf1[3] = half_btf(cospi[54], bf0[2], -cospi[10], bf0[3], cos_bit);
862
0
  bf1[4] = half_btf(cospi[18], bf0[4], cospi[46], bf0[5], cos_bit);
863
0
  bf1[5] = half_btf(cospi[46], bf0[4], -cospi[18], bf0[5], cos_bit);
864
0
  bf1[6] = half_btf(cospi[26], bf0[6], cospi[38], bf0[7], cos_bit);
865
0
  bf1[7] = half_btf(cospi[38], bf0[6], -cospi[26], bf0[7], cos_bit);
866
0
  bf1[8] = half_btf(cospi[34], bf0[8], cospi[30], bf0[9], cos_bit);
867
0
  bf1[9] = half_btf(cospi[30], bf0[8], -cospi[34], bf0[9], cos_bit);
868
0
  bf1[10] = half_btf(cospi[42], bf0[10], cospi[22], bf0[11], cos_bit);
869
0
  bf1[11] = half_btf(cospi[22], bf0[10], -cospi[42], bf0[11], cos_bit);
870
0
  bf1[12] = half_btf(cospi[50], bf0[12], cospi[14], bf0[13], cos_bit);
871
0
  bf1[13] = half_btf(cospi[14], bf0[12], -cospi[50], bf0[13], cos_bit);
872
0
  bf1[14] = half_btf(cospi[58], bf0[14], cospi[6], bf0[15], cos_bit);
873
0
  bf1[15] = half_btf(cospi[6], bf0[14], -cospi[58], bf0[15], cos_bit);
874
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
875
876
  // stage 3
877
0
  stage++;
878
0
  bf0 = step;
879
0
  bf1 = output;
880
0
  bf1[0] = clamp_value(bf0[0] + bf0[8], stage_range[stage]);
881
0
  bf1[1] = clamp_value(bf0[1] + bf0[9], stage_range[stage]);
882
0
  bf1[2] = clamp_value(bf0[2] + bf0[10], stage_range[stage]);
883
0
  bf1[3] = clamp_value(bf0[3] + bf0[11], stage_range[stage]);
884
0
  bf1[4] = clamp_value(bf0[4] + bf0[12], stage_range[stage]);
885
0
  bf1[5] = clamp_value(bf0[5] + bf0[13], stage_range[stage]);
886
0
  bf1[6] = clamp_value(bf0[6] + bf0[14], stage_range[stage]);
887
0
  bf1[7] = clamp_value(bf0[7] + bf0[15], stage_range[stage]);
888
0
  bf1[8] = clamp_value(bf0[0] - bf0[8], stage_range[stage]);
889
0
  bf1[9] = clamp_value(bf0[1] - bf0[9], stage_range[stage]);
890
0
  bf1[10] = clamp_value(bf0[2] - bf0[10], stage_range[stage]);
891
0
  bf1[11] = clamp_value(bf0[3] - bf0[11], stage_range[stage]);
892
0
  bf1[12] = clamp_value(bf0[4] - bf0[12], stage_range[stage]);
893
0
  bf1[13] = clamp_value(bf0[5] - bf0[13], stage_range[stage]);
894
0
  bf1[14] = clamp_value(bf0[6] - bf0[14], stage_range[stage]);
895
0
  bf1[15] = clamp_value(bf0[7] - bf0[15], stage_range[stage]);
896
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
897
898
  // stage 4
899
0
  stage++;
900
0
  bf0 = output;
901
0
  bf1 = step;
902
0
  bf1[0] = bf0[0];
903
0
  bf1[1] = bf0[1];
904
0
  bf1[2] = bf0[2];
905
0
  bf1[3] = bf0[3];
906
0
  bf1[4] = bf0[4];
907
0
  bf1[5] = bf0[5];
908
0
  bf1[6] = bf0[6];
909
0
  bf1[7] = bf0[7];
910
0
  bf1[8] = half_btf(cospi[8], bf0[8], cospi[56], bf0[9], cos_bit);
911
0
  bf1[9] = half_btf(cospi[56], bf0[8], -cospi[8], bf0[9], cos_bit);
912
0
  bf1[10] = half_btf(cospi[40], bf0[10], cospi[24], bf0[11], cos_bit);
913
0
  bf1[11] = half_btf(cospi[24], bf0[10], -cospi[40], bf0[11], cos_bit);
914
0
  bf1[12] = half_btf(-cospi[56], bf0[12], cospi[8], bf0[13], cos_bit);
915
0
  bf1[13] = half_btf(cospi[8], bf0[12], cospi[56], bf0[13], cos_bit);
916
0
  bf1[14] = half_btf(-cospi[24], bf0[14], cospi[40], bf0[15], cos_bit);
917
0
  bf1[15] = half_btf(cospi[40], bf0[14], cospi[24], bf0[15], cos_bit);
918
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
919
920
  // stage 5
921
0
  stage++;
922
0
  bf0 = step;
923
0
  bf1 = output;
924
0
  bf1[0] = clamp_value(bf0[0] + bf0[4], stage_range[stage]);
925
0
  bf1[1] = clamp_value(bf0[1] + bf0[5], stage_range[stage]);
926
0
  bf1[2] = clamp_value(bf0[2] + bf0[6], stage_range[stage]);
927
0
  bf1[3] = clamp_value(bf0[3] + bf0[7], stage_range[stage]);
928
0
  bf1[4] = clamp_value(bf0[0] - bf0[4], stage_range[stage]);
929
0
  bf1[5] = clamp_value(bf0[1] - bf0[5], stage_range[stage]);
930
0
  bf1[6] = clamp_value(bf0[2] - bf0[6], stage_range[stage]);
931
0
  bf1[7] = clamp_value(bf0[3] - bf0[7], stage_range[stage]);
932
0
  bf1[8] = clamp_value(bf0[8] + bf0[12], stage_range[stage]);
933
0
  bf1[9] = clamp_value(bf0[9] + bf0[13], stage_range[stage]);
934
0
  bf1[10] = clamp_value(bf0[10] + bf0[14], stage_range[stage]);
935
0
  bf1[11] = clamp_value(bf0[11] + bf0[15], stage_range[stage]);
936
0
  bf1[12] = clamp_value(bf0[8] - bf0[12], stage_range[stage]);
937
0
  bf1[13] = clamp_value(bf0[9] - bf0[13], stage_range[stage]);
938
0
  bf1[14] = clamp_value(bf0[10] - bf0[14], stage_range[stage]);
939
0
  bf1[15] = clamp_value(bf0[11] - bf0[15], stage_range[stage]);
940
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
941
942
  // stage 6
943
0
  stage++;
944
0
  bf0 = output;
945
0
  bf1 = step;
946
0
  bf1[0] = bf0[0];
947
0
  bf1[1] = bf0[1];
948
0
  bf1[2] = bf0[2];
949
0
  bf1[3] = bf0[3];
950
0
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit);
951
0
  bf1[5] = half_btf(cospi[48], bf0[4], -cospi[16], bf0[5], cos_bit);
952
0
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit);
953
0
  bf1[7] = half_btf(cospi[16], bf0[6], cospi[48], bf0[7], cos_bit);
954
0
  bf1[8] = bf0[8];
955
0
  bf1[9] = bf0[9];
956
0
  bf1[10] = bf0[10];
957
0
  bf1[11] = bf0[11];
958
0
  bf1[12] = half_btf(cospi[16], bf0[12], cospi[48], bf0[13], cos_bit);
959
0
  bf1[13] = half_btf(cospi[48], bf0[12], -cospi[16], bf0[13], cos_bit);
960
0
  bf1[14] = half_btf(-cospi[48], bf0[14], cospi[16], bf0[15], cos_bit);
961
0
  bf1[15] = half_btf(cospi[16], bf0[14], cospi[48], bf0[15], cos_bit);
962
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
963
964
  // stage 7
965
0
  stage++;
966
0
  bf0 = step;
967
0
  bf1 = output;
968
0
  bf1[0] = clamp_value(bf0[0] + bf0[2], stage_range[stage]);
969
0
  bf1[1] = clamp_value(bf0[1] + bf0[3], stage_range[stage]);
970
0
  bf1[2] = clamp_value(bf0[0] - bf0[2], stage_range[stage]);
971
0
  bf1[3] = clamp_value(bf0[1] - bf0[3], stage_range[stage]);
972
0
  bf1[4] = clamp_value(bf0[4] + bf0[6], stage_range[stage]);
973
0
  bf1[5] = clamp_value(bf0[5] + bf0[7], stage_range[stage]);
974
0
  bf1[6] = clamp_value(bf0[4] - bf0[6], stage_range[stage]);
975
0
  bf1[7] = clamp_value(bf0[5] - bf0[7], stage_range[stage]);
976
0
  bf1[8] = clamp_value(bf0[8] + bf0[10], stage_range[stage]);
977
0
  bf1[9] = clamp_value(bf0[9] + bf0[11], stage_range[stage]);
978
0
  bf1[10] = clamp_value(bf0[8] - bf0[10], stage_range[stage]);
979
0
  bf1[11] = clamp_value(bf0[9] - bf0[11], stage_range[stage]);
980
0
  bf1[12] = clamp_value(bf0[12] + bf0[14], stage_range[stage]);
981
0
  bf1[13] = clamp_value(bf0[13] + bf0[15], stage_range[stage]);
982
0
  bf1[14] = clamp_value(bf0[12] - bf0[14], stage_range[stage]);
983
0
  bf1[15] = clamp_value(bf0[13] - bf0[15], stage_range[stage]);
984
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
985
986
  // stage 8
987
0
  stage++;
988
0
  bf0 = output;
989
0
  bf1 = step;
990
0
  bf1[0] = bf0[0];
991
0
  bf1[1] = bf0[1];
992
0
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit);
993
0
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit);
994
0
  bf1[4] = bf0[4];
995
0
  bf1[5] = bf0[5];
996
0
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit);
997
0
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit);
998
0
  bf1[8] = bf0[8];
999
0
  bf1[9] = bf0[9];
1000
0
  bf1[10] = half_btf(cospi[32], bf0[10], cospi[32], bf0[11], cos_bit);
1001
0
  bf1[11] = half_btf(cospi[32], bf0[10], -cospi[32], bf0[11], cos_bit);
1002
0
  bf1[12] = bf0[12];
1003
0
  bf1[13] = bf0[13];
1004
0
  bf1[14] = half_btf(cospi[32], bf0[14], cospi[32], bf0[15], cos_bit);
1005
0
  bf1[15] = half_btf(cospi[32], bf0[14], -cospi[32], bf0[15], cos_bit);
1006
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1007
1008
  // stage 9
1009
0
  bf0 = step;
1010
0
  bf1 = output;
1011
0
  bf1[0] = bf0[0];
1012
0
  bf1[1] = -bf0[8];
1013
0
  bf1[2] = bf0[12];
1014
0
  bf1[3] = -bf0[4];
1015
0
  bf1[4] = bf0[6];
1016
0
  bf1[5] = -bf0[14];
1017
0
  bf1[6] = bf0[10];
1018
0
  bf1[7] = -bf0[2];
1019
0
  bf1[8] = bf0[3];
1020
0
  bf1[9] = -bf0[11];
1021
0
  bf1[10] = bf0[15];
1022
0
  bf1[11] = -bf0[7];
1023
0
  bf1[12] = bf0[5];
1024
0
  bf1[13] = -bf0[13];
1025
0
  bf1[14] = bf0[9];
1026
0
  bf1[15] = -bf0[1];
1027
0
}
1028
1029
void av1_iidentity4_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1030
0
                      const int8_t *stage_range) {
1031
0
  (void)cos_bit;
1032
0
  (void)stage_range;
1033
0
  for (int i = 0; i < 4; ++i) {
1034
0
    output[i] = round_shift((int64_t)NewSqrt2 * input[i], NewSqrt2Bits);
1035
0
  }
1036
0
  assert(stage_range[0] + NewSqrt2Bits <= 32);
1037
0
}
1038
1039
void av1_iidentity8_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1040
0
                      const int8_t *stage_range) {
1041
0
  (void)cos_bit;
1042
0
  (void)stage_range;
1043
0
  for (int i = 0; i < 8; ++i) output[i] = (int32_t)((int64_t)input[i] * 2);
1044
0
}
1045
1046
void av1_iidentity16_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1047
0
                       const int8_t *stage_range) {
1048
0
  (void)cos_bit;
1049
0
  (void)stage_range;
1050
0
  for (int i = 0; i < 16; ++i)
1051
0
    output[i] = round_shift((int64_t)NewSqrt2 * 2 * input[i], NewSqrt2Bits);
1052
0
  assert(stage_range[0] + NewSqrt2Bits <= 32);
1053
0
}
1054
1055
void av1_iidentity32_c(const int32_t *input, int32_t *output, int8_t cos_bit,
1056
0
                       const int8_t *stage_range) {
1057
0
  (void)cos_bit;
1058
0
  (void)stage_range;
1059
0
  for (int i = 0; i < 32; ++i) output[i] = (int32_t)((int64_t)input[i] * 4);
1060
0
}
1061
1062
void av1_idct64(const int32_t *input, int32_t *output, int8_t cos_bit,
1063
0
                const int8_t *stage_range) {
1064
0
  assert(output != input);
1065
0
  const int32_t size = 64;
1066
0
  const int32_t *cospi = cospi_arr(cos_bit);
1067
1068
0
  int32_t stage = 0;
1069
0
  int32_t *bf0, *bf1;
1070
0
  int32_t step[64];
1071
1072
  // stage 0;
1073
1074
  // stage 1;
1075
0
  stage++;
1076
0
  bf1 = output;
1077
0
  bf1[0] = input[0];
1078
0
  bf1[1] = input[32];
1079
0
  bf1[2] = input[16];
1080
0
  bf1[3] = input[48];
1081
0
  bf1[4] = input[8];
1082
0
  bf1[5] = input[40];
1083
0
  bf1[6] = input[24];
1084
0
  bf1[7] = input[56];
1085
0
  bf1[8] = input[4];
1086
0
  bf1[9] = input[36];
1087
0
  bf1[10] = input[20];
1088
0
  bf1[11] = input[52];
1089
0
  bf1[12] = input[12];
1090
0
  bf1[13] = input[44];
1091
0
  bf1[14] = input[28];
1092
0
  bf1[15] = input[60];
1093
0
  bf1[16] = input[2];
1094
0
  bf1[17] = input[34];
1095
0
  bf1[18] = input[18];
1096
0
  bf1[19] = input[50];
1097
0
  bf1[20] = input[10];
1098
0
  bf1[21] = input[42];
1099
0
  bf1[22] = input[26];
1100
0
  bf1[23] = input[58];
1101
0
  bf1[24] = input[6];
1102
0
  bf1[25] = input[38];
1103
0
  bf1[26] = input[22];
1104
0
  bf1[27] = input[54];
1105
0
  bf1[28] = input[14];
1106
0
  bf1[29] = input[46];
1107
0
  bf1[30] = input[30];
1108
0
  bf1[31] = input[62];
1109
0
  bf1[32] = input[1];
1110
0
  bf1[33] = input[33];
1111
0
  bf1[34] = input[17];
1112
0
  bf1[35] = input[49];
1113
0
  bf1[36] = input[9];
1114
0
  bf1[37] = input[41];
1115
0
  bf1[38] = input[25];
1116
0
  bf1[39] = input[57];
1117
0
  bf1[40] = input[5];
1118
0
  bf1[41] = input[37];
1119
0
  bf1[42] = input[21];
1120
0
  bf1[43] = input[53];
1121
0
  bf1[44] = input[13];
1122
0
  bf1[45] = input[45];
1123
0
  bf1[46] = input[29];
1124
0
  bf1[47] = input[61];
1125
0
  bf1[48] = input[3];
1126
0
  bf1[49] = input[35];
1127
0
  bf1[50] = input[19];
1128
0
  bf1[51] = input[51];
1129
0
  bf1[52] = input[11];
1130
0
  bf1[53] = input[43];
1131
0
  bf1[54] = input[27];
1132
0
  bf1[55] = input[59];
1133
0
  bf1[56] = input[7];
1134
0
  bf1[57] = input[39];
1135
0
  bf1[58] = input[23];
1136
0
  bf1[59] = input[55];
1137
0
  bf1[60] = input[15];
1138
0
  bf1[61] = input[47];
1139
0
  bf1[62] = input[31];
1140
0
  bf1[63] = input[63];
1141
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1142
1143
  // stage 2
1144
0
  stage++;
1145
0
  bf0 = output;
1146
0
  bf1 = step;
1147
0
  bf1[0] = bf0[0];
1148
0
  bf1[1] = bf0[1];
1149
0
  bf1[2] = bf0[2];
1150
0
  bf1[3] = bf0[3];
1151
0
  bf1[4] = bf0[4];
1152
0
  bf1[5] = bf0[5];
1153
0
  bf1[6] = bf0[6];
1154
0
  bf1[7] = bf0[7];
1155
0
  bf1[8] = bf0[8];
1156
0
  bf1[9] = bf0[9];
1157
0
  bf1[10] = bf0[10];
1158
0
  bf1[11] = bf0[11];
1159
0
  bf1[12] = bf0[12];
1160
0
  bf1[13] = bf0[13];
1161
0
  bf1[14] = bf0[14];
1162
0
  bf1[15] = bf0[15];
1163
0
  bf1[16] = bf0[16];
1164
0
  bf1[17] = bf0[17];
1165
0
  bf1[18] = bf0[18];
1166
0
  bf1[19] = bf0[19];
1167
0
  bf1[20] = bf0[20];
1168
0
  bf1[21] = bf0[21];
1169
0
  bf1[22] = bf0[22];
1170
0
  bf1[23] = bf0[23];
1171
0
  bf1[24] = bf0[24];
1172
0
  bf1[25] = bf0[25];
1173
0
  bf1[26] = bf0[26];
1174
0
  bf1[27] = bf0[27];
1175
0
  bf1[28] = bf0[28];
1176
0
  bf1[29] = bf0[29];
1177
0
  bf1[30] = bf0[30];
1178
0
  bf1[31] = bf0[31];
1179
0
  bf1[32] = half_btf(cospi[63], bf0[32], -cospi[1], bf0[63], cos_bit);
1180
0
  bf1[33] = half_btf(cospi[31], bf0[33], -cospi[33], bf0[62], cos_bit);
1181
0
  bf1[34] = half_btf(cospi[47], bf0[34], -cospi[17], bf0[61], cos_bit);
1182
0
  bf1[35] = half_btf(cospi[15], bf0[35], -cospi[49], bf0[60], cos_bit);
1183
0
  bf1[36] = half_btf(cospi[55], bf0[36], -cospi[9], bf0[59], cos_bit);
1184
0
  bf1[37] = half_btf(cospi[23], bf0[37], -cospi[41], bf0[58], cos_bit);
1185
0
  bf1[38] = half_btf(cospi[39], bf0[38], -cospi[25], bf0[57], cos_bit);
1186
0
  bf1[39] = half_btf(cospi[7], bf0[39], -cospi[57], bf0[56], cos_bit);
1187
0
  bf1[40] = half_btf(cospi[59], bf0[40], -cospi[5], bf0[55], cos_bit);
1188
0
  bf1[41] = half_btf(cospi[27], bf0[41], -cospi[37], bf0[54], cos_bit);
1189
0
  bf1[42] = half_btf(cospi[43], bf0[42], -cospi[21], bf0[53], cos_bit);
1190
0
  bf1[43] = half_btf(cospi[11], bf0[43], -cospi[53], bf0[52], cos_bit);
1191
0
  bf1[44] = half_btf(cospi[51], bf0[44], -cospi[13], bf0[51], cos_bit);
1192
0
  bf1[45] = half_btf(cospi[19], bf0[45], -cospi[45], bf0[50], cos_bit);
1193
0
  bf1[46] = half_btf(cospi[35], bf0[46], -cospi[29], bf0[49], cos_bit);
1194
0
  bf1[47] = half_btf(cospi[3], bf0[47], -cospi[61], bf0[48], cos_bit);
1195
0
  bf1[48] = half_btf(cospi[61], bf0[47], cospi[3], bf0[48], cos_bit);
1196
0
  bf1[49] = half_btf(cospi[29], bf0[46], cospi[35], bf0[49], cos_bit);
1197
0
  bf1[50] = half_btf(cospi[45], bf0[45], cospi[19], bf0[50], cos_bit);
1198
0
  bf1[51] = half_btf(cospi[13], bf0[44], cospi[51], bf0[51], cos_bit);
1199
0
  bf1[52] = half_btf(cospi[53], bf0[43], cospi[11], bf0[52], cos_bit);
1200
0
  bf1[53] = half_btf(cospi[21], bf0[42], cospi[43], bf0[53], cos_bit);
1201
0
  bf1[54] = half_btf(cospi[37], bf0[41], cospi[27], bf0[54], cos_bit);
1202
0
  bf1[55] = half_btf(cospi[5], bf0[40], cospi[59], bf0[55], cos_bit);
1203
0
  bf1[56] = half_btf(cospi[57], bf0[39], cospi[7], bf0[56], cos_bit);
1204
0
  bf1[57] = half_btf(cospi[25], bf0[38], cospi[39], bf0[57], cos_bit);
1205
0
  bf1[58] = half_btf(cospi[41], bf0[37], cospi[23], bf0[58], cos_bit);
1206
0
  bf1[59] = half_btf(cospi[9], bf0[36], cospi[55], bf0[59], cos_bit);
1207
0
  bf1[60] = half_btf(cospi[49], bf0[35], cospi[15], bf0[60], cos_bit);
1208
0
  bf1[61] = half_btf(cospi[17], bf0[34], cospi[47], bf0[61], cos_bit);
1209
0
  bf1[62] = half_btf(cospi[33], bf0[33], cospi[31], bf0[62], cos_bit);
1210
0
  bf1[63] = half_btf(cospi[1], bf0[32], cospi[63], bf0[63], cos_bit);
1211
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1212
1213
  // stage 3
1214
0
  stage++;
1215
0
  bf0 = step;
1216
0
  bf1 = output;
1217
0
  bf1[0] = bf0[0];
1218
0
  bf1[1] = bf0[1];
1219
0
  bf1[2] = bf0[2];
1220
0
  bf1[3] = bf0[3];
1221
0
  bf1[4] = bf0[4];
1222
0
  bf1[5] = bf0[5];
1223
0
  bf1[6] = bf0[6];
1224
0
  bf1[7] = bf0[7];
1225
0
  bf1[8] = bf0[8];
1226
0
  bf1[9] = bf0[9];
1227
0
  bf1[10] = bf0[10];
1228
0
  bf1[11] = bf0[11];
1229
0
  bf1[12] = bf0[12];
1230
0
  bf1[13] = bf0[13];
1231
0
  bf1[14] = bf0[14];
1232
0
  bf1[15] = bf0[15];
1233
0
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit);
1234
0
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit);
1235
0
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit);
1236
0
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit);
1237
0
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit);
1238
0
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit);
1239
0
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit);
1240
0
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit);
1241
0
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit);
1242
0
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit);
1243
0
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit);
1244
0
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit);
1245
0
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit);
1246
0
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit);
1247
0
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit);
1248
0
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit);
1249
0
  bf1[32] = clamp_value(bf0[32] + bf0[33], stage_range[stage]);
1250
0
  bf1[33] = clamp_value(bf0[32] - bf0[33], stage_range[stage]);
1251
0
  bf1[34] = clamp_value(-bf0[34] + bf0[35], stage_range[stage]);
1252
0
  bf1[35] = clamp_value(bf0[34] + bf0[35], stage_range[stage]);
1253
0
  bf1[36] = clamp_value(bf0[36] + bf0[37], stage_range[stage]);
1254
0
  bf1[37] = clamp_value(bf0[36] - bf0[37], stage_range[stage]);
1255
0
  bf1[38] = clamp_value(-bf0[38] + bf0[39], stage_range[stage]);
1256
0
  bf1[39] = clamp_value(bf0[38] + bf0[39], stage_range[stage]);
1257
0
  bf1[40] = clamp_value(bf0[40] + bf0[41], stage_range[stage]);
1258
0
  bf1[41] = clamp_value(bf0[40] - bf0[41], stage_range[stage]);
1259
0
  bf1[42] = clamp_value(-bf0[42] + bf0[43], stage_range[stage]);
1260
0
  bf1[43] = clamp_value(bf0[42] + bf0[43], stage_range[stage]);
1261
0
  bf1[44] = clamp_value(bf0[44] + bf0[45], stage_range[stage]);
1262
0
  bf1[45] = clamp_value(bf0[44] - bf0[45], stage_range[stage]);
1263
0
  bf1[46] = clamp_value(-bf0[46] + bf0[47], stage_range[stage]);
1264
0
  bf1[47] = clamp_value(bf0[46] + bf0[47], stage_range[stage]);
1265
0
  bf1[48] = clamp_value(bf0[48] + bf0[49], stage_range[stage]);
1266
0
  bf1[49] = clamp_value(bf0[48] - bf0[49], stage_range[stage]);
1267
0
  bf1[50] = clamp_value(-bf0[50] + bf0[51], stage_range[stage]);
1268
0
  bf1[51] = clamp_value(bf0[50] + bf0[51], stage_range[stage]);
1269
0
  bf1[52] = clamp_value(bf0[52] + bf0[53], stage_range[stage]);
1270
0
  bf1[53] = clamp_value(bf0[52] - bf0[53], stage_range[stage]);
1271
0
  bf1[54] = clamp_value(-bf0[54] + bf0[55], stage_range[stage]);
1272
0
  bf1[55] = clamp_value(bf0[54] + bf0[55], stage_range[stage]);
1273
0
  bf1[56] = clamp_value(bf0[56] + bf0[57], stage_range[stage]);
1274
0
  bf1[57] = clamp_value(bf0[56] - bf0[57], stage_range[stage]);
1275
0
  bf1[58] = clamp_value(-bf0[58] + bf0[59], stage_range[stage]);
1276
0
  bf1[59] = clamp_value(bf0[58] + bf0[59], stage_range[stage]);
1277
0
  bf1[60] = clamp_value(bf0[60] + bf0[61], stage_range[stage]);
1278
0
  bf1[61] = clamp_value(bf0[60] - bf0[61], stage_range[stage]);
1279
0
  bf1[62] = clamp_value(-bf0[62] + bf0[63], stage_range[stage]);
1280
0
  bf1[63] = clamp_value(bf0[62] + bf0[63], stage_range[stage]);
1281
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1282
1283
  // stage 4
1284
0
  stage++;
1285
0
  bf0 = output;
1286
0
  bf1 = step;
1287
0
  bf1[0] = bf0[0];
1288
0
  bf1[1] = bf0[1];
1289
0
  bf1[2] = bf0[2];
1290
0
  bf1[3] = bf0[3];
1291
0
  bf1[4] = bf0[4];
1292
0
  bf1[5] = bf0[5];
1293
0
  bf1[6] = bf0[6];
1294
0
  bf1[7] = bf0[7];
1295
0
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit);
1296
0
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit);
1297
0
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit);
1298
0
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit);
1299
0
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit);
1300
0
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit);
1301
0
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit);
1302
0
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit);
1303
0
  bf1[16] = clamp_value(bf0[16] + bf0[17], stage_range[stage]);
1304
0
  bf1[17] = clamp_value(bf0[16] - bf0[17], stage_range[stage]);
1305
0
  bf1[18] = clamp_value(-bf0[18] + bf0[19], stage_range[stage]);
1306
0
  bf1[19] = clamp_value(bf0[18] + bf0[19], stage_range[stage]);
1307
0
  bf1[20] = clamp_value(bf0[20] + bf0[21], stage_range[stage]);
1308
0
  bf1[21] = clamp_value(bf0[20] - bf0[21], stage_range[stage]);
1309
0
  bf1[22] = clamp_value(-bf0[22] + bf0[23], stage_range[stage]);
1310
0
  bf1[23] = clamp_value(bf0[22] + bf0[23], stage_range[stage]);
1311
0
  bf1[24] = clamp_value(bf0[24] + bf0[25], stage_range[stage]);
1312
0
  bf1[25] = clamp_value(bf0[24] - bf0[25], stage_range[stage]);
1313
0
  bf1[26] = clamp_value(-bf0[26] + bf0[27], stage_range[stage]);
1314
0
  bf1[27] = clamp_value(bf0[26] + bf0[27], stage_range[stage]);
1315
0
  bf1[28] = clamp_value(bf0[28] + bf0[29], stage_range[stage]);
1316
0
  bf1[29] = clamp_value(bf0[28] - bf0[29], stage_range[stage]);
1317
0
  bf1[30] = clamp_value(-bf0[30] + bf0[31], stage_range[stage]);
1318
0
  bf1[31] = clamp_value(bf0[30] + bf0[31], stage_range[stage]);
1319
0
  bf1[32] = bf0[32];
1320
0
  bf1[33] = half_btf(-cospi[4], bf0[33], cospi[60], bf0[62], cos_bit);
1321
0
  bf1[34] = half_btf(-cospi[60], bf0[34], -cospi[4], bf0[61], cos_bit);
1322
0
  bf1[35] = bf0[35];
1323
0
  bf1[36] = bf0[36];
1324
0
  bf1[37] = half_btf(-cospi[36], bf0[37], cospi[28], bf0[58], cos_bit);
1325
0
  bf1[38] = half_btf(-cospi[28], bf0[38], -cospi[36], bf0[57], cos_bit);
1326
0
  bf1[39] = bf0[39];
1327
0
  bf1[40] = bf0[40];
1328
0
  bf1[41] = half_btf(-cospi[20], bf0[41], cospi[44], bf0[54], cos_bit);
1329
0
  bf1[42] = half_btf(-cospi[44], bf0[42], -cospi[20], bf0[53], cos_bit);
1330
0
  bf1[43] = bf0[43];
1331
0
  bf1[44] = bf0[44];
1332
0
  bf1[45] = half_btf(-cospi[52], bf0[45], cospi[12], bf0[50], cos_bit);
1333
0
  bf1[46] = half_btf(-cospi[12], bf0[46], -cospi[52], bf0[49], cos_bit);
1334
0
  bf1[47] = bf0[47];
1335
0
  bf1[48] = bf0[48];
1336
0
  bf1[49] = half_btf(-cospi[52], bf0[46], cospi[12], bf0[49], cos_bit);
1337
0
  bf1[50] = half_btf(cospi[12], bf0[45], cospi[52], bf0[50], cos_bit);
1338
0
  bf1[51] = bf0[51];
1339
0
  bf1[52] = bf0[52];
1340
0
  bf1[53] = half_btf(-cospi[20], bf0[42], cospi[44], bf0[53], cos_bit);
1341
0
  bf1[54] = half_btf(cospi[44], bf0[41], cospi[20], bf0[54], cos_bit);
1342
0
  bf1[55] = bf0[55];
1343
0
  bf1[56] = bf0[56];
1344
0
  bf1[57] = half_btf(-cospi[36], bf0[38], cospi[28], bf0[57], cos_bit);
1345
0
  bf1[58] = half_btf(cospi[28], bf0[37], cospi[36], bf0[58], cos_bit);
1346
0
  bf1[59] = bf0[59];
1347
0
  bf1[60] = bf0[60];
1348
0
  bf1[61] = half_btf(-cospi[4], bf0[34], cospi[60], bf0[61], cos_bit);
1349
0
  bf1[62] = half_btf(cospi[60], bf0[33], cospi[4], bf0[62], cos_bit);
1350
0
  bf1[63] = bf0[63];
1351
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1352
1353
  // stage 5
1354
0
  stage++;
1355
0
  bf0 = step;
1356
0
  bf1 = output;
1357
0
  bf1[0] = bf0[0];
1358
0
  bf1[1] = bf0[1];
1359
0
  bf1[2] = bf0[2];
1360
0
  bf1[3] = bf0[3];
1361
0
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit);
1362
0
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit);
1363
0
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit);
1364
0
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit);
1365
0
  bf1[8] = clamp_value(bf0[8] + bf0[9], stage_range[stage]);
1366
0
  bf1[9] = clamp_value(bf0[8] - bf0[9], stage_range[stage]);
1367
0
  bf1[10] = clamp_value(-bf0[10] + bf0[11], stage_range[stage]);
1368
0
  bf1[11] = clamp_value(bf0[10] + bf0[11], stage_range[stage]);
1369
0
  bf1[12] = clamp_value(bf0[12] + bf0[13], stage_range[stage]);
1370
0
  bf1[13] = clamp_value(bf0[12] - bf0[13], stage_range[stage]);
1371
0
  bf1[14] = clamp_value(-bf0[14] + bf0[15], stage_range[stage]);
1372
0
  bf1[15] = clamp_value(bf0[14] + bf0[15], stage_range[stage]);
1373
0
  bf1[16] = bf0[16];
1374
0
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit);
1375
0
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit);
1376
0
  bf1[19] = bf0[19];
1377
0
  bf1[20] = bf0[20];
1378
0
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit);
1379
0
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit);
1380
0
  bf1[23] = bf0[23];
1381
0
  bf1[24] = bf0[24];
1382
0
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit);
1383
0
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit);
1384
0
  bf1[27] = bf0[27];
1385
0
  bf1[28] = bf0[28];
1386
0
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit);
1387
0
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit);
1388
0
  bf1[31] = bf0[31];
1389
0
  bf1[32] = clamp_value(bf0[32] + bf0[35], stage_range[stage]);
1390
0
  bf1[33] = clamp_value(bf0[33] + bf0[34], stage_range[stage]);
1391
0
  bf1[34] = clamp_value(bf0[33] - bf0[34], stage_range[stage]);
1392
0
  bf1[35] = clamp_value(bf0[32] - bf0[35], stage_range[stage]);
1393
0
  bf1[36] = clamp_value(-bf0[36] + bf0[39], stage_range[stage]);
1394
0
  bf1[37] = clamp_value(-bf0[37] + bf0[38], stage_range[stage]);
1395
0
  bf1[38] = clamp_value(bf0[37] + bf0[38], stage_range[stage]);
1396
0
  bf1[39] = clamp_value(bf0[36] + bf0[39], stage_range[stage]);
1397
0
  bf1[40] = clamp_value(bf0[40] + bf0[43], stage_range[stage]);
1398
0
  bf1[41] = clamp_value(bf0[41] + bf0[42], stage_range[stage]);
1399
0
  bf1[42] = clamp_value(bf0[41] - bf0[42], stage_range[stage]);
1400
0
  bf1[43] = clamp_value(bf0[40] - bf0[43], stage_range[stage]);
1401
0
  bf1[44] = clamp_value(-bf0[44] + bf0[47], stage_range[stage]);
1402
0
  bf1[45] = clamp_value(-bf0[45] + bf0[46], stage_range[stage]);
1403
0
  bf1[46] = clamp_value(bf0[45] + bf0[46], stage_range[stage]);
1404
0
  bf1[47] = clamp_value(bf0[44] + bf0[47], stage_range[stage]);
1405
0
  bf1[48] = clamp_value(bf0[48] + bf0[51], stage_range[stage]);
1406
0
  bf1[49] = clamp_value(bf0[49] + bf0[50], stage_range[stage]);
1407
0
  bf1[50] = clamp_value(bf0[49] - bf0[50], stage_range[stage]);
1408
0
  bf1[51] = clamp_value(bf0[48] - bf0[51], stage_range[stage]);
1409
0
  bf1[52] = clamp_value(-bf0[52] + bf0[55], stage_range[stage]);
1410
0
  bf1[53] = clamp_value(-bf0[53] + bf0[54], stage_range[stage]);
1411
0
  bf1[54] = clamp_value(bf0[53] + bf0[54], stage_range[stage]);
1412
0
  bf1[55] = clamp_value(bf0[52] + bf0[55], stage_range[stage]);
1413
0
  bf1[56] = clamp_value(bf0[56] + bf0[59], stage_range[stage]);
1414
0
  bf1[57] = clamp_value(bf0[57] + bf0[58], stage_range[stage]);
1415
0
  bf1[58] = clamp_value(bf0[57] - bf0[58], stage_range[stage]);
1416
0
  bf1[59] = clamp_value(bf0[56] - bf0[59], stage_range[stage]);
1417
0
  bf1[60] = clamp_value(-bf0[60] + bf0[63], stage_range[stage]);
1418
0
  bf1[61] = clamp_value(-bf0[61] + bf0[62], stage_range[stage]);
1419
0
  bf1[62] = clamp_value(bf0[61] + bf0[62], stage_range[stage]);
1420
0
  bf1[63] = clamp_value(bf0[60] + bf0[63], stage_range[stage]);
1421
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1422
1423
  // stage 6
1424
0
  stage++;
1425
0
  bf0 = output;
1426
0
  bf1 = step;
1427
0
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit);
1428
0
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit);
1429
0
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit);
1430
0
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit);
1431
0
  bf1[4] = clamp_value(bf0[4] + bf0[5], stage_range[stage]);
1432
0
  bf1[5] = clamp_value(bf0[4] - bf0[5], stage_range[stage]);
1433
0
  bf1[6] = clamp_value(-bf0[6] + bf0[7], stage_range[stage]);
1434
0
  bf1[7] = clamp_value(bf0[6] + bf0[7], stage_range[stage]);
1435
0
  bf1[8] = bf0[8];
1436
0
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit);
1437
0
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit);
1438
0
  bf1[11] = bf0[11];
1439
0
  bf1[12] = bf0[12];
1440
0
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit);
1441
0
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit);
1442
0
  bf1[15] = bf0[15];
1443
0
  bf1[16] = clamp_value(bf0[16] + bf0[19], stage_range[stage]);
1444
0
  bf1[17] = clamp_value(bf0[17] + bf0[18], stage_range[stage]);
1445
0
  bf1[18] = clamp_value(bf0[17] - bf0[18], stage_range[stage]);
1446
0
  bf1[19] = clamp_value(bf0[16] - bf0[19], stage_range[stage]);
1447
0
  bf1[20] = clamp_value(-bf0[20] + bf0[23], stage_range[stage]);
1448
0
  bf1[21] = clamp_value(-bf0[21] + bf0[22], stage_range[stage]);
1449
0
  bf1[22] = clamp_value(bf0[21] + bf0[22], stage_range[stage]);
1450
0
  bf1[23] = clamp_value(bf0[20] + bf0[23], stage_range[stage]);
1451
0
  bf1[24] = clamp_value(bf0[24] + bf0[27], stage_range[stage]);
1452
0
  bf1[25] = clamp_value(bf0[25] + bf0[26], stage_range[stage]);
1453
0
  bf1[26] = clamp_value(bf0[25] - bf0[26], stage_range[stage]);
1454
0
  bf1[27] = clamp_value(bf0[24] - bf0[27], stage_range[stage]);
1455
0
  bf1[28] = clamp_value(-bf0[28] + bf0[31], stage_range[stage]);
1456
0
  bf1[29] = clamp_value(-bf0[29] + bf0[30], stage_range[stage]);
1457
0
  bf1[30] = clamp_value(bf0[29] + bf0[30], stage_range[stage]);
1458
0
  bf1[31] = clamp_value(bf0[28] + bf0[31], stage_range[stage]);
1459
0
  bf1[32] = bf0[32];
1460
0
  bf1[33] = bf0[33];
1461
0
  bf1[34] = half_btf(-cospi[8], bf0[34], cospi[56], bf0[61], cos_bit);
1462
0
  bf1[35] = half_btf(-cospi[8], bf0[35], cospi[56], bf0[60], cos_bit);
1463
0
  bf1[36] = half_btf(-cospi[56], bf0[36], -cospi[8], bf0[59], cos_bit);
1464
0
  bf1[37] = half_btf(-cospi[56], bf0[37], -cospi[8], bf0[58], cos_bit);
1465
0
  bf1[38] = bf0[38];
1466
0
  bf1[39] = bf0[39];
1467
0
  bf1[40] = bf0[40];
1468
0
  bf1[41] = bf0[41];
1469
0
  bf1[42] = half_btf(-cospi[40], bf0[42], cospi[24], bf0[53], cos_bit);
1470
0
  bf1[43] = half_btf(-cospi[40], bf0[43], cospi[24], bf0[52], cos_bit);
1471
0
  bf1[44] = half_btf(-cospi[24], bf0[44], -cospi[40], bf0[51], cos_bit);
1472
0
  bf1[45] = half_btf(-cospi[24], bf0[45], -cospi[40], bf0[50], cos_bit);
1473
0
  bf1[46] = bf0[46];
1474
0
  bf1[47] = bf0[47];
1475
0
  bf1[48] = bf0[48];
1476
0
  bf1[49] = bf0[49];
1477
0
  bf1[50] = half_btf(-cospi[40], bf0[45], cospi[24], bf0[50], cos_bit);
1478
0
  bf1[51] = half_btf(-cospi[40], bf0[44], cospi[24], bf0[51], cos_bit);
1479
0
  bf1[52] = half_btf(cospi[24], bf0[43], cospi[40], bf0[52], cos_bit);
1480
0
  bf1[53] = half_btf(cospi[24], bf0[42], cospi[40], bf0[53], cos_bit);
1481
0
  bf1[54] = bf0[54];
1482
0
  bf1[55] = bf0[55];
1483
0
  bf1[56] = bf0[56];
1484
0
  bf1[57] = bf0[57];
1485
0
  bf1[58] = half_btf(-cospi[8], bf0[37], cospi[56], bf0[58], cos_bit);
1486
0
  bf1[59] = half_btf(-cospi[8], bf0[36], cospi[56], bf0[59], cos_bit);
1487
0
  bf1[60] = half_btf(cospi[56], bf0[35], cospi[8], bf0[60], cos_bit);
1488
0
  bf1[61] = half_btf(cospi[56], bf0[34], cospi[8], bf0[61], cos_bit);
1489
0
  bf1[62] = bf0[62];
1490
0
  bf1[63] = bf0[63];
1491
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1492
1493
  // stage 7
1494
0
  stage++;
1495
0
  bf0 = step;
1496
0
  bf1 = output;
1497
0
  bf1[0] = clamp_value(bf0[0] + bf0[3], stage_range[stage]);
1498
0
  bf1[1] = clamp_value(bf0[1] + bf0[2], stage_range[stage]);
1499
0
  bf1[2] = clamp_value(bf0[1] - bf0[2], stage_range[stage]);
1500
0
  bf1[3] = clamp_value(bf0[0] - bf0[3], stage_range[stage]);
1501
0
  bf1[4] = bf0[4];
1502
0
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
1503
0
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit);
1504
0
  bf1[7] = bf0[7];
1505
0
  bf1[8] = clamp_value(bf0[8] + bf0[11], stage_range[stage]);
1506
0
  bf1[9] = clamp_value(bf0[9] + bf0[10], stage_range[stage]);
1507
0
  bf1[10] = clamp_value(bf0[9] - bf0[10], stage_range[stage]);
1508
0
  bf1[11] = clamp_value(bf0[8] - bf0[11], stage_range[stage]);
1509
0
  bf1[12] = clamp_value(-bf0[12] + bf0[15], stage_range[stage]);
1510
0
  bf1[13] = clamp_value(-bf0[13] + bf0[14], stage_range[stage]);
1511
0
  bf1[14] = clamp_value(bf0[13] + bf0[14], stage_range[stage]);
1512
0
  bf1[15] = clamp_value(bf0[12] + bf0[15], stage_range[stage]);
1513
0
  bf1[16] = bf0[16];
1514
0
  bf1[17] = bf0[17];
1515
0
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit);
1516
0
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit);
1517
0
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit);
1518
0
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit);
1519
0
  bf1[22] = bf0[22];
1520
0
  bf1[23] = bf0[23];
1521
0
  bf1[24] = bf0[24];
1522
0
  bf1[25] = bf0[25];
1523
0
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit);
1524
0
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit);
1525
0
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit);
1526
0
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit);
1527
0
  bf1[30] = bf0[30];
1528
0
  bf1[31] = bf0[31];
1529
0
  bf1[32] = clamp_value(bf0[32] + bf0[39], stage_range[stage]);
1530
0
  bf1[33] = clamp_value(bf0[33] + bf0[38], stage_range[stage]);
1531
0
  bf1[34] = clamp_value(bf0[34] + bf0[37], stage_range[stage]);
1532
0
  bf1[35] = clamp_value(bf0[35] + bf0[36], stage_range[stage]);
1533
0
  bf1[36] = clamp_value(bf0[35] - bf0[36], stage_range[stage]);
1534
0
  bf1[37] = clamp_value(bf0[34] - bf0[37], stage_range[stage]);
1535
0
  bf1[38] = clamp_value(bf0[33] - bf0[38], stage_range[stage]);
1536
0
  bf1[39] = clamp_value(bf0[32] - bf0[39], stage_range[stage]);
1537
0
  bf1[40] = clamp_value(-bf0[40] + bf0[47], stage_range[stage]);
1538
0
  bf1[41] = clamp_value(-bf0[41] + bf0[46], stage_range[stage]);
1539
0
  bf1[42] = clamp_value(-bf0[42] + bf0[45], stage_range[stage]);
1540
0
  bf1[43] = clamp_value(-bf0[43] + bf0[44], stage_range[stage]);
1541
0
  bf1[44] = clamp_value(bf0[43] + bf0[44], stage_range[stage]);
1542
0
  bf1[45] = clamp_value(bf0[42] + bf0[45], stage_range[stage]);
1543
0
  bf1[46] = clamp_value(bf0[41] + bf0[46], stage_range[stage]);
1544
0
  bf1[47] = clamp_value(bf0[40] + bf0[47], stage_range[stage]);
1545
0
  bf1[48] = clamp_value(bf0[48] + bf0[55], stage_range[stage]);
1546
0
  bf1[49] = clamp_value(bf0[49] + bf0[54], stage_range[stage]);
1547
0
  bf1[50] = clamp_value(bf0[50] + bf0[53], stage_range[stage]);
1548
0
  bf1[51] = clamp_value(bf0[51] + bf0[52], stage_range[stage]);
1549
0
  bf1[52] = clamp_value(bf0[51] - bf0[52], stage_range[stage]);
1550
0
  bf1[53] = clamp_value(bf0[50] - bf0[53], stage_range[stage]);
1551
0
  bf1[54] = clamp_value(bf0[49] - bf0[54], stage_range[stage]);
1552
0
  bf1[55] = clamp_value(bf0[48] - bf0[55], stage_range[stage]);
1553
0
  bf1[56] = clamp_value(-bf0[56] + bf0[63], stage_range[stage]);
1554
0
  bf1[57] = clamp_value(-bf0[57] + bf0[62], stage_range[stage]);
1555
0
  bf1[58] = clamp_value(-bf0[58] + bf0[61], stage_range[stage]);
1556
0
  bf1[59] = clamp_value(-bf0[59] + bf0[60], stage_range[stage]);
1557
0
  bf1[60] = clamp_value(bf0[59] + bf0[60], stage_range[stage]);
1558
0
  bf1[61] = clamp_value(bf0[58] + bf0[61], stage_range[stage]);
1559
0
  bf1[62] = clamp_value(bf0[57] + bf0[62], stage_range[stage]);
1560
0
  bf1[63] = clamp_value(bf0[56] + bf0[63], stage_range[stage]);
1561
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1562
1563
  // stage 8
1564
0
  stage++;
1565
0
  bf0 = output;
1566
0
  bf1 = step;
1567
0
  bf1[0] = clamp_value(bf0[0] + bf0[7], stage_range[stage]);
1568
0
  bf1[1] = clamp_value(bf0[1] + bf0[6], stage_range[stage]);
1569
0
  bf1[2] = clamp_value(bf0[2] + bf0[5], stage_range[stage]);
1570
0
  bf1[3] = clamp_value(bf0[3] + bf0[4], stage_range[stage]);
1571
0
  bf1[4] = clamp_value(bf0[3] - bf0[4], stage_range[stage]);
1572
0
  bf1[5] = clamp_value(bf0[2] - bf0[5], stage_range[stage]);
1573
0
  bf1[6] = clamp_value(bf0[1] - bf0[6], stage_range[stage]);
1574
0
  bf1[7] = clamp_value(bf0[0] - bf0[7], stage_range[stage]);
1575
0
  bf1[8] = bf0[8];
1576
0
  bf1[9] = bf0[9];
1577
0
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
1578
0
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
1579
0
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit);
1580
0
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit);
1581
0
  bf1[14] = bf0[14];
1582
0
  bf1[15] = bf0[15];
1583
0
  bf1[16] = clamp_value(bf0[16] + bf0[23], stage_range[stage]);
1584
0
  bf1[17] = clamp_value(bf0[17] + bf0[22], stage_range[stage]);
1585
0
  bf1[18] = clamp_value(bf0[18] + bf0[21], stage_range[stage]);
1586
0
  bf1[19] = clamp_value(bf0[19] + bf0[20], stage_range[stage]);
1587
0
  bf1[20] = clamp_value(bf0[19] - bf0[20], stage_range[stage]);
1588
0
  bf1[21] = clamp_value(bf0[18] - bf0[21], stage_range[stage]);
1589
0
  bf1[22] = clamp_value(bf0[17] - bf0[22], stage_range[stage]);
1590
0
  bf1[23] = clamp_value(bf0[16] - bf0[23], stage_range[stage]);
1591
0
  bf1[24] = clamp_value(-bf0[24] + bf0[31], stage_range[stage]);
1592
0
  bf1[25] = clamp_value(-bf0[25] + bf0[30], stage_range[stage]);
1593
0
  bf1[26] = clamp_value(-bf0[26] + bf0[29], stage_range[stage]);
1594
0
  bf1[27] = clamp_value(-bf0[27] + bf0[28], stage_range[stage]);
1595
0
  bf1[28] = clamp_value(bf0[27] + bf0[28], stage_range[stage]);
1596
0
  bf1[29] = clamp_value(bf0[26] + bf0[29], stage_range[stage]);
1597
0
  bf1[30] = clamp_value(bf0[25] + bf0[30], stage_range[stage]);
1598
0
  bf1[31] = clamp_value(bf0[24] + bf0[31], stage_range[stage]);
1599
0
  bf1[32] = bf0[32];
1600
0
  bf1[33] = bf0[33];
1601
0
  bf1[34] = bf0[34];
1602
0
  bf1[35] = bf0[35];
1603
0
  bf1[36] = half_btf(-cospi[16], bf0[36], cospi[48], bf0[59], cos_bit);
1604
0
  bf1[37] = half_btf(-cospi[16], bf0[37], cospi[48], bf0[58], cos_bit);
1605
0
  bf1[38] = half_btf(-cospi[16], bf0[38], cospi[48], bf0[57], cos_bit);
1606
0
  bf1[39] = half_btf(-cospi[16], bf0[39], cospi[48], bf0[56], cos_bit);
1607
0
  bf1[40] = half_btf(-cospi[48], bf0[40], -cospi[16], bf0[55], cos_bit);
1608
0
  bf1[41] = half_btf(-cospi[48], bf0[41], -cospi[16], bf0[54], cos_bit);
1609
0
  bf1[42] = half_btf(-cospi[48], bf0[42], -cospi[16], bf0[53], cos_bit);
1610
0
  bf1[43] = half_btf(-cospi[48], bf0[43], -cospi[16], bf0[52], cos_bit);
1611
0
  bf1[44] = bf0[44];
1612
0
  bf1[45] = bf0[45];
1613
0
  bf1[46] = bf0[46];
1614
0
  bf1[47] = bf0[47];
1615
0
  bf1[48] = bf0[48];
1616
0
  bf1[49] = bf0[49];
1617
0
  bf1[50] = bf0[50];
1618
0
  bf1[51] = bf0[51];
1619
0
  bf1[52] = half_btf(-cospi[16], bf0[43], cospi[48], bf0[52], cos_bit);
1620
0
  bf1[53] = half_btf(-cospi[16], bf0[42], cospi[48], bf0[53], cos_bit);
1621
0
  bf1[54] = half_btf(-cospi[16], bf0[41], cospi[48], bf0[54], cos_bit);
1622
0
  bf1[55] = half_btf(-cospi[16], bf0[40], cospi[48], bf0[55], cos_bit);
1623
0
  bf1[56] = half_btf(cospi[48], bf0[39], cospi[16], bf0[56], cos_bit);
1624
0
  bf1[57] = half_btf(cospi[48], bf0[38], cospi[16], bf0[57], cos_bit);
1625
0
  bf1[58] = half_btf(cospi[48], bf0[37], cospi[16], bf0[58], cos_bit);
1626
0
  bf1[59] = half_btf(cospi[48], bf0[36], cospi[16], bf0[59], cos_bit);
1627
0
  bf1[60] = bf0[60];
1628
0
  bf1[61] = bf0[61];
1629
0
  bf1[62] = bf0[62];
1630
0
  bf1[63] = bf0[63];
1631
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1632
1633
  // stage 9
1634
0
  stage++;
1635
0
  bf0 = step;
1636
0
  bf1 = output;
1637
0
  bf1[0] = clamp_value(bf0[0] + bf0[15], stage_range[stage]);
1638
0
  bf1[1] = clamp_value(bf0[1] + bf0[14], stage_range[stage]);
1639
0
  bf1[2] = clamp_value(bf0[2] + bf0[13], stage_range[stage]);
1640
0
  bf1[3] = clamp_value(bf0[3] + bf0[12], stage_range[stage]);
1641
0
  bf1[4] = clamp_value(bf0[4] + bf0[11], stage_range[stage]);
1642
0
  bf1[5] = clamp_value(bf0[5] + bf0[10], stage_range[stage]);
1643
0
  bf1[6] = clamp_value(bf0[6] + bf0[9], stage_range[stage]);
1644
0
  bf1[7] = clamp_value(bf0[7] + bf0[8], stage_range[stage]);
1645
0
  bf1[8] = clamp_value(bf0[7] - bf0[8], stage_range[stage]);
1646
0
  bf1[9] = clamp_value(bf0[6] - bf0[9], stage_range[stage]);
1647
0
  bf1[10] = clamp_value(bf0[5] - bf0[10], stage_range[stage]);
1648
0
  bf1[11] = clamp_value(bf0[4] - bf0[11], stage_range[stage]);
1649
0
  bf1[12] = clamp_value(bf0[3] - bf0[12], stage_range[stage]);
1650
0
  bf1[13] = clamp_value(bf0[2] - bf0[13], stage_range[stage]);
1651
0
  bf1[14] = clamp_value(bf0[1] - bf0[14], stage_range[stage]);
1652
0
  bf1[15] = clamp_value(bf0[0] - bf0[15], stage_range[stage]);
1653
0
  bf1[16] = bf0[16];
1654
0
  bf1[17] = bf0[17];
1655
0
  bf1[18] = bf0[18];
1656
0
  bf1[19] = bf0[19];
1657
0
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
1658
0
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
1659
0
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
1660
0
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
1661
0
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit);
1662
0
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit);
1663
0
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit);
1664
0
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit);
1665
0
  bf1[28] = bf0[28];
1666
0
  bf1[29] = bf0[29];
1667
0
  bf1[30] = bf0[30];
1668
0
  bf1[31] = bf0[31];
1669
0
  bf1[32] = clamp_value(bf0[32] + bf0[47], stage_range[stage]);
1670
0
  bf1[33] = clamp_value(bf0[33] + bf0[46], stage_range[stage]);
1671
0
  bf1[34] = clamp_value(bf0[34] + bf0[45], stage_range[stage]);
1672
0
  bf1[35] = clamp_value(bf0[35] + bf0[44], stage_range[stage]);
1673
0
  bf1[36] = clamp_value(bf0[36] + bf0[43], stage_range[stage]);
1674
0
  bf1[37] = clamp_value(bf0[37] + bf0[42], stage_range[stage]);
1675
0
  bf1[38] = clamp_value(bf0[38] + bf0[41], stage_range[stage]);
1676
0
  bf1[39] = clamp_value(bf0[39] + bf0[40], stage_range[stage]);
1677
0
  bf1[40] = clamp_value(bf0[39] - bf0[40], stage_range[stage]);
1678
0
  bf1[41] = clamp_value(bf0[38] - bf0[41], stage_range[stage]);
1679
0
  bf1[42] = clamp_value(bf0[37] - bf0[42], stage_range[stage]);
1680
0
  bf1[43] = clamp_value(bf0[36] - bf0[43], stage_range[stage]);
1681
0
  bf1[44] = clamp_value(bf0[35] - bf0[44], stage_range[stage]);
1682
0
  bf1[45] = clamp_value(bf0[34] - bf0[45], stage_range[stage]);
1683
0
  bf1[46] = clamp_value(bf0[33] - bf0[46], stage_range[stage]);
1684
0
  bf1[47] = clamp_value(bf0[32] - bf0[47], stage_range[stage]);
1685
0
  bf1[48] = clamp_value(-bf0[48] + bf0[63], stage_range[stage]);
1686
0
  bf1[49] = clamp_value(-bf0[49] + bf0[62], stage_range[stage]);
1687
0
  bf1[50] = clamp_value(-bf0[50] + bf0[61], stage_range[stage]);
1688
0
  bf1[51] = clamp_value(-bf0[51] + bf0[60], stage_range[stage]);
1689
0
  bf1[52] = clamp_value(-bf0[52] + bf0[59], stage_range[stage]);
1690
0
  bf1[53] = clamp_value(-bf0[53] + bf0[58], stage_range[stage]);
1691
0
  bf1[54] = clamp_value(-bf0[54] + bf0[57], stage_range[stage]);
1692
0
  bf1[55] = clamp_value(-bf0[55] + bf0[56], stage_range[stage]);
1693
0
  bf1[56] = clamp_value(bf0[55] + bf0[56], stage_range[stage]);
1694
0
  bf1[57] = clamp_value(bf0[54] + bf0[57], stage_range[stage]);
1695
0
  bf1[58] = clamp_value(bf0[53] + bf0[58], stage_range[stage]);
1696
0
  bf1[59] = clamp_value(bf0[52] + bf0[59], stage_range[stage]);
1697
0
  bf1[60] = clamp_value(bf0[51] + bf0[60], stage_range[stage]);
1698
0
  bf1[61] = clamp_value(bf0[50] + bf0[61], stage_range[stage]);
1699
0
  bf1[62] = clamp_value(bf0[49] + bf0[62], stage_range[stage]);
1700
0
  bf1[63] = clamp_value(bf0[48] + bf0[63], stage_range[stage]);
1701
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1702
1703
  // stage 10
1704
0
  stage++;
1705
0
  bf0 = output;
1706
0
  bf1 = step;
1707
0
  bf1[0] = clamp_value(bf0[0] + bf0[31], stage_range[stage]);
1708
0
  bf1[1] = clamp_value(bf0[1] + bf0[30], stage_range[stage]);
1709
0
  bf1[2] = clamp_value(bf0[2] + bf0[29], stage_range[stage]);
1710
0
  bf1[3] = clamp_value(bf0[3] + bf0[28], stage_range[stage]);
1711
0
  bf1[4] = clamp_value(bf0[4] + bf0[27], stage_range[stage]);
1712
0
  bf1[5] = clamp_value(bf0[5] + bf0[26], stage_range[stage]);
1713
0
  bf1[6] = clamp_value(bf0[6] + bf0[25], stage_range[stage]);
1714
0
  bf1[7] = clamp_value(bf0[7] + bf0[24], stage_range[stage]);
1715
0
  bf1[8] = clamp_value(bf0[8] + bf0[23], stage_range[stage]);
1716
0
  bf1[9] = clamp_value(bf0[9] + bf0[22], stage_range[stage]);
1717
0
  bf1[10] = clamp_value(bf0[10] + bf0[21], stage_range[stage]);
1718
0
  bf1[11] = clamp_value(bf0[11] + bf0[20], stage_range[stage]);
1719
0
  bf1[12] = clamp_value(bf0[12] + bf0[19], stage_range[stage]);
1720
0
  bf1[13] = clamp_value(bf0[13] + bf0[18], stage_range[stage]);
1721
0
  bf1[14] = clamp_value(bf0[14] + bf0[17], stage_range[stage]);
1722
0
  bf1[15] = clamp_value(bf0[15] + bf0[16], stage_range[stage]);
1723
0
  bf1[16] = clamp_value(bf0[15] - bf0[16], stage_range[stage]);
1724
0
  bf1[17] = clamp_value(bf0[14] - bf0[17], stage_range[stage]);
1725
0
  bf1[18] = clamp_value(bf0[13] - bf0[18], stage_range[stage]);
1726
0
  bf1[19] = clamp_value(bf0[12] - bf0[19], stage_range[stage]);
1727
0
  bf1[20] = clamp_value(bf0[11] - bf0[20], stage_range[stage]);
1728
0
  bf1[21] = clamp_value(bf0[10] - bf0[21], stage_range[stage]);
1729
0
  bf1[22] = clamp_value(bf0[9] - bf0[22], stage_range[stage]);
1730
0
  bf1[23] = clamp_value(bf0[8] - bf0[23], stage_range[stage]);
1731
0
  bf1[24] = clamp_value(bf0[7] - bf0[24], stage_range[stage]);
1732
0
  bf1[25] = clamp_value(bf0[6] - bf0[25], stage_range[stage]);
1733
0
  bf1[26] = clamp_value(bf0[5] - bf0[26], stage_range[stage]);
1734
0
  bf1[27] = clamp_value(bf0[4] - bf0[27], stage_range[stage]);
1735
0
  bf1[28] = clamp_value(bf0[3] - bf0[28], stage_range[stage]);
1736
0
  bf1[29] = clamp_value(bf0[2] - bf0[29], stage_range[stage]);
1737
0
  bf1[30] = clamp_value(bf0[1] - bf0[30], stage_range[stage]);
1738
0
  bf1[31] = clamp_value(bf0[0] - bf0[31], stage_range[stage]);
1739
0
  bf1[32] = bf0[32];
1740
0
  bf1[33] = bf0[33];
1741
0
  bf1[34] = bf0[34];
1742
0
  bf1[35] = bf0[35];
1743
0
  bf1[36] = bf0[36];
1744
0
  bf1[37] = bf0[37];
1745
0
  bf1[38] = bf0[38];
1746
0
  bf1[39] = bf0[39];
1747
0
  bf1[40] = half_btf(-cospi[32], bf0[40], cospi[32], bf0[55], cos_bit);
1748
0
  bf1[41] = half_btf(-cospi[32], bf0[41], cospi[32], bf0[54], cos_bit);
1749
0
  bf1[42] = half_btf(-cospi[32], bf0[42], cospi[32], bf0[53], cos_bit);
1750
0
  bf1[43] = half_btf(-cospi[32], bf0[43], cospi[32], bf0[52], cos_bit);
1751
0
  bf1[44] = half_btf(-cospi[32], bf0[44], cospi[32], bf0[51], cos_bit);
1752
0
  bf1[45] = half_btf(-cospi[32], bf0[45], cospi[32], bf0[50], cos_bit);
1753
0
  bf1[46] = half_btf(-cospi[32], bf0[46], cospi[32], bf0[49], cos_bit);
1754
0
  bf1[47] = half_btf(-cospi[32], bf0[47], cospi[32], bf0[48], cos_bit);
1755
0
  bf1[48] = half_btf(cospi[32], bf0[47], cospi[32], bf0[48], cos_bit);
1756
0
  bf1[49] = half_btf(cospi[32], bf0[46], cospi[32], bf0[49], cos_bit);
1757
0
  bf1[50] = half_btf(cospi[32], bf0[45], cospi[32], bf0[50], cos_bit);
1758
0
  bf1[51] = half_btf(cospi[32], bf0[44], cospi[32], bf0[51], cos_bit);
1759
0
  bf1[52] = half_btf(cospi[32], bf0[43], cospi[32], bf0[52], cos_bit);
1760
0
  bf1[53] = half_btf(cospi[32], bf0[42], cospi[32], bf0[53], cos_bit);
1761
0
  bf1[54] = half_btf(cospi[32], bf0[41], cospi[32], bf0[54], cos_bit);
1762
0
  bf1[55] = half_btf(cospi[32], bf0[40], cospi[32], bf0[55], cos_bit);
1763
0
  bf1[56] = bf0[56];
1764
0
  bf1[57] = bf0[57];
1765
0
  bf1[58] = bf0[58];
1766
0
  bf1[59] = bf0[59];
1767
0
  bf1[60] = bf0[60];
1768
0
  bf1[61] = bf0[61];
1769
0
  bf1[62] = bf0[62];
1770
0
  bf1[63] = bf0[63];
1771
0
  av1_range_check_buf(stage, input, bf1, size, stage_range[stage]);
1772
1773
  // stage 11
1774
0
  stage++;
1775
0
  bf0 = step;
1776
0
  bf1 = output;
1777
0
  bf1[0] = clamp_value(bf0[0] + bf0[63], stage_range[stage]);
1778
0
  bf1[1] = clamp_value(bf0[1] + bf0[62], stage_range[stage]);
1779
0
  bf1[2] = clamp_value(bf0[2] + bf0[61], stage_range[stage]);
1780
0
  bf1[3] = clamp_value(bf0[3] + bf0[60], stage_range[stage]);
1781
0
  bf1[4] = clamp_value(bf0[4] + bf0[59], stage_range[stage]);
1782
0
  bf1[5] = clamp_value(bf0[5] + bf0[58], stage_range[stage]);
1783
0
  bf1[6] = clamp_value(bf0[6] + bf0[57], stage_range[stage]);
1784
0
  bf1[7] = clamp_value(bf0[7] + bf0[56], stage_range[stage]);
1785
0
  bf1[8] = clamp_value(bf0[8] + bf0[55], stage_range[stage]);
1786
0
  bf1[9] = clamp_value(bf0[9] + bf0[54], stage_range[stage]);
1787
0
  bf1[10] = clamp_value(bf0[10] + bf0[53], stage_range[stage]);
1788
0
  bf1[11] = clamp_value(bf0[11] + bf0[52], stage_range[stage]);
1789
0
  bf1[12] = clamp_value(bf0[12] + bf0[51], stage_range[stage]);
1790
0
  bf1[13] = clamp_value(bf0[13] + bf0[50], stage_range[stage]);
1791
0
  bf1[14] = clamp_value(bf0[14] + bf0[49], stage_range[stage]);
1792
0
  bf1[15] = clamp_value(bf0[15] + bf0[48], stage_range[stage]);
1793
0
  bf1[16] = clamp_value(bf0[16] + bf0[47], stage_range[stage]);
1794
0
  bf1[17] = clamp_value(bf0[17] + bf0[46], stage_range[stage]);
1795
0
  bf1[18] = clamp_value(bf0[18] + bf0[45], stage_range[stage]);
1796
0
  bf1[19] = clamp_value(bf0[19] + bf0[44], stage_range[stage]);
1797
0
  bf1[20] = clamp_value(bf0[20] + bf0[43], stage_range[stage]);
1798
0
  bf1[21] = clamp_value(bf0[21] + bf0[42], stage_range[stage]);
1799
0
  bf1[22] = clamp_value(bf0[22] + bf0[41], stage_range[stage]);
1800
0
  bf1[23] = clamp_value(bf0[23] + bf0[40], stage_range[stage]);
1801
0
  bf1[24] = clamp_value(bf0[24] + bf0[39], stage_range[stage]);
1802
0
  bf1[25] = clamp_value(bf0[25] + bf0[38], stage_range[stage]);
1803
0
  bf1[26] = clamp_value(bf0[26] + bf0[37], stage_range[stage]);
1804
0
  bf1[27] = clamp_value(bf0[27] + bf0[36], stage_range[stage]);
1805
0
  bf1[28] = clamp_value(bf0[28] + bf0[35], stage_range[stage]);
1806
0
  bf1[29] = clamp_value(bf0[29] + bf0[34], stage_range[stage]);
1807
0
  bf1[30] = clamp_value(bf0[30] + bf0[33], stage_range[stage]);
1808
0
  bf1[31] = clamp_value(bf0[31] + bf0[32], stage_range[stage]);
1809
0
  bf1[32] = clamp_value(bf0[31] - bf0[32], stage_range[stage]);
1810
0
  bf1[33] = clamp_value(bf0[30] - bf0[33], stage_range[stage]);
1811
0
  bf1[34] = clamp_value(bf0[29] - bf0[34], stage_range[stage]);
1812
0
  bf1[35] = clamp_value(bf0[28] - bf0[35], stage_range[stage]);
1813
0
  bf1[36] = clamp_value(bf0[27] - bf0[36], stage_range[stage]);
1814
0
  bf1[37] = clamp_value(bf0[26] - bf0[37], stage_range[stage]);
1815
0
  bf1[38] = clamp_value(bf0[25] - bf0[38], stage_range[stage]);
1816
0
  bf1[39] = clamp_value(bf0[24] - bf0[39], stage_range[stage]);
1817
0
  bf1[40] = clamp_value(bf0[23] - bf0[40], stage_range[stage]);
1818
0
  bf1[41] = clamp_value(bf0[22] - bf0[41], stage_range[stage]);
1819
0
  bf1[42] = clamp_value(bf0[21] - bf0[42], stage_range[stage]);
1820
0
  bf1[43] = clamp_value(bf0[20] - bf0[43], stage_range[stage]);
1821
0
  bf1[44] = clamp_value(bf0[19] - bf0[44], stage_range[stage]);
1822
0
  bf1[45] = clamp_value(bf0[18] - bf0[45], stage_range[stage]);
1823
0
  bf1[46] = clamp_value(bf0[17] - bf0[46], stage_range[stage]);
1824
0
  bf1[47] = clamp_value(bf0[16] - bf0[47], stage_range[stage]);
1825
0
  bf1[48] = clamp_value(bf0[15] - bf0[48], stage_range[stage]);
1826
0
  bf1[49] = clamp_value(bf0[14] - bf0[49], stage_range[stage]);
1827
0
  bf1[50] = clamp_value(bf0[13] - bf0[50], stage_range[stage]);
1828
0
  bf1[51] = clamp_value(bf0[12] - bf0[51], stage_range[stage]);
1829
0
  bf1[52] = clamp_value(bf0[11] - bf0[52], stage_range[stage]);
1830
0
  bf1[53] = clamp_value(bf0[10] - bf0[53], stage_range[stage]);
1831
0
  bf1[54] = clamp_value(bf0[9] - bf0[54], stage_range[stage]);
1832
0
  bf1[55] = clamp_value(bf0[8] - bf0[55], stage_range[stage]);
1833
0
  bf1[56] = clamp_value(bf0[7] - bf0[56], stage_range[stage]);
1834
0
  bf1[57] = clamp_value(bf0[6] - bf0[57], stage_range[stage]);
1835
0
  bf1[58] = clamp_value(bf0[5] - bf0[58], stage_range[stage]);
1836
0
  bf1[59] = clamp_value(bf0[4] - bf0[59], stage_range[stage]);
1837
0
  bf1[60] = clamp_value(bf0[3] - bf0[60], stage_range[stage]);
1838
0
  bf1[61] = clamp_value(bf0[2] - bf0[61], stage_range[stage]);
1839
0
  bf1[62] = clamp_value(bf0[1] - bf0[62], stage_range[stage]);
1840
0
  bf1[63] = clamp_value(bf0[0] - bf0[63], stage_range[stage]);
1841
0
}