fdct8x8_test.cc 26.3 KB
Newer Older
Daniel Kang's avatar
Daniel Kang committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
/*
 *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include <math.h>
#include <stdlib.h>
#include <string.h>

#include "third_party/googletest/src/include/gtest/gtest.h"
16
#include "test/acm_random.h"
17
18
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
19
#include "test/util.h"
Daniel Kang's avatar
Daniel Kang committed
20

21
#include "./vp9_rtcd.h"
22
#include "vp9/common/vp9_entropy.h"
Scott LaVarnway's avatar
Scott LaVarnway committed
23
#include "vp9/common/vp9_scan.h"
24
#include "vpx/vpx_codec.h"
25
#include "vpx/vpx_integer.h"
26
#include "vpx_ports/mem.h"
27

28
29
30
31
using libvpx_test::ACMRandom;

namespace {

32
33
const int kNumCoeffs = 64;
const double kPi = 3.141592653589793238462643383279502884;
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

const int kSignBiasMaxDiff255 = 1500;
const int kSignBiasMaxDiff15 = 10000;

typedef void (*FdctFunc)(const int16_t *in, tran_low_t *out, int stride);
typedef void (*IdctFunc)(const tran_low_t *in, uint8_t *out, int stride);
typedef void (*FhtFunc)(const int16_t *in, tran_low_t *out, int stride,
                        int tx_type);
typedef void (*IhtFunc)(const tran_low_t *in, uint8_t *out, int stride,
                        int tx_type);

typedef std::tr1::tuple<FdctFunc, IdctFunc, int, vpx_bit_depth_t> Dct8x8Param;
typedef std::tr1::tuple<FhtFunc, IhtFunc, int, vpx_bit_depth_t> Ht8x8Param;
typedef std::tr1::tuple<IdctFunc, IdctFunc, int, vpx_bit_depth_t> Idct8x8Param;

49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
void reference_8x8_dct_1d(const double in[8], double out[8], int stride) {
  const double kInvSqrt2 = 0.707106781186547524400844362104;
  for (int k = 0; k < 8; k++) {
    out[k] = 0.0;
    for (int n = 0; n < 8; n++)
      out[k] += in[n] * cos(kPi * (2 * n + 1) * k / 16.0);
    if (k == 0)
      out[k] = out[k] * kInvSqrt2;
  }
}

void reference_8x8_dct_2d(const int16_t input[kNumCoeffs],
                          double output[kNumCoeffs]) {
  // First transform columns
  for (int i = 0; i < 8; ++i) {
    double temp_in[8], temp_out[8];
    for (int j = 0; j < 8; ++j)
      temp_in[j] = input[j*8 + i];
    reference_8x8_dct_1d(temp_in, temp_out, 1);
    for (int j = 0; j < 8; ++j)
      output[j * 8 + i] = temp_out[j];
  }
  // Then transform rows
  for (int i = 0; i < 8; ++i) {
    double temp_in[8], temp_out[8];
    for (int j = 0; j < 8; ++j)
      temp_in[j] = output[j + i*8];
    reference_8x8_dct_1d(temp_in, temp_out, 1);
    // Scale by some magic number
    for (int j = 0; j < 8; ++j)
      output[j + i * 8] = temp_out[j] * 2;
  }
Daniel Kang's avatar
Daniel Kang committed
81
82
}

83

84
void fdct8x8_ref(const int16_t *in, tran_low_t *out, int stride, int tx_type) {
85
  vp9_fdct8x8_c(in, out, stride);
Jingning Han's avatar
Jingning Han committed
86
}
87

88
void fht8x8_ref(const int16_t *in, tran_low_t *out, int stride, int tx_type) {
89
  vp9_fht8x8_c(in, out, stride, tx_type);
Jingning Han's avatar
Jingning Han committed
90
91
}

92
93
#if CONFIG_VP9_HIGHBITDEPTH
void idct8x8_10(const tran_low_t *in, uint8_t *out, int stride) {
94
  vp9_highbd_idct8x8_64_add_c(in, out, stride, 10);
95
96
97
}

void idct8x8_12(const tran_low_t *in, uint8_t *out, int stride) {
98
  vp9_highbd_idct8x8_64_add_c(in, out, stride, 12);
99
100
101
}

void iht8x8_10(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
102
  vp9_highbd_iht8x8_64_add_c(in, out, stride, tx_type, 10);
103
104
105
}

void iht8x8_12(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
106
  vp9_highbd_iht8x8_64_add_c(in, out, stride, tx_type, 12);
107
}
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134

void idct8x8_10_add_10_c(const tran_low_t *in, uint8_t *out, int stride) {
  vp9_highbd_idct8x8_10_add_c(in, out, stride, 10);
}

void idct8x8_10_add_12_c(const tran_low_t *in, uint8_t *out, int stride) {
  vp9_highbd_idct8x8_10_add_c(in, out, stride, 12);
}

#if HAVE_SSE2
void idct8x8_10_add_10_sse2(const tran_low_t *in, uint8_t *out, int stride) {
  vp9_highbd_idct8x8_10_add_sse2(in, out, stride, 10);
}

void idct8x8_10_add_12_sse2(const tran_low_t *in, uint8_t *out, int stride) {
  vp9_highbd_idct8x8_10_add_sse2(in, out, stride, 12);
}

void idct8x8_64_add_10_sse2(const tran_low_t *in, uint8_t *out, int stride) {
  vp9_highbd_idct8x8_64_add_sse2(in, out, stride, 10);
}

void idct8x8_64_add_12_sse2(const tran_low_t *in, uint8_t *out, int stride) {
  vp9_highbd_idct8x8_64_add_sse2(in, out, stride, 12);
}
#endif  // HAVE_SSE2
#endif  // CONFIG_VP9_HIGHBITDEPTH
135

136
class FwdTrans8x8TestBase {
Jingning Han's avatar
Jingning Han committed
137
 public:
138
  virtual ~FwdTrans8x8TestBase() {}
Jingning Han's avatar
Jingning Han committed
139
140

 protected:
141
142
  virtual void RunFwdTxfm(int16_t *in, tran_low_t *out, int stride) = 0;
  virtual void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) = 0;
Jingning Han's avatar
Jingning Han committed
143

144
145
  void RunSignBiasCheck() {
    ACMRandom rnd(ACMRandom::DeterministicSeed());
146
147
    DECLARE_ALIGNED(16, int16_t, test_input_block[64]);
    DECLARE_ALIGNED(16, tran_low_t, test_output_block[64]);
148
149
    int count_sign_block[64][2];
    const int count_test_block = 100000;
Daniel Kang's avatar
Daniel Kang committed
150

151
    memset(count_sign_block, 0, sizeof(count_sign_block));
Daniel Kang's avatar
Daniel Kang committed
152

153
154
155
    for (int i = 0; i < count_test_block; ++i) {
      // Initialize a test block with input range [-255, 255].
      for (int j = 0; j < 64; ++j)
156
157
        test_input_block[j] = ((rnd.Rand16() >> (16 - bit_depth_)) & mask_) -
                              ((rnd.Rand16() >> (16 - bit_depth_)) & mask_);
158
      ASM_REGISTER_STATE_CHECK(
159
          RunFwdTxfm(test_input_block, test_output_block, pitch_));
Daniel Kang's avatar
Daniel Kang committed
160

161
162
163
164
165
166
167
      for (int j = 0; j < 64; ++j) {
        if (test_output_block[j] < 0)
          ++count_sign_block[j][0];
        else if (test_output_block[j] > 0)
          ++count_sign_block[j][1];
      }
    }
Daniel Kang's avatar
Daniel Kang committed
168
169

    for (int j = 0; j < 64; ++j) {
170
      const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
171
      const int max_diff = kSignBiasMaxDiff255;
172
      EXPECT_LT(diff, max_diff << (bit_depth_ - 8))
173
174
175
176
177
178
          << "Error: 8x8 FDCT/FHT has a sign bias > "
          << 1. * max_diff / count_test_block * 100 << "%"
          << " for input range [-255, 255] at index " << j
          << " count0: " << count_sign_block[j][0]
          << " count1: " << count_sign_block[j][1]
          << " diff: " << diff;
Daniel Kang's avatar
Daniel Kang committed
179
180
    }

181
    memset(count_sign_block, 0, sizeof(count_sign_block));
Daniel Kang's avatar
Daniel Kang committed
182

183
    for (int i = 0; i < count_test_block; ++i) {
184
      // Initialize a test block with input range [-mask_ / 16, mask_ / 16].
185
      for (int j = 0; j < 64; ++j)
186
187
        test_input_block[j] = ((rnd.Rand16() & mask_) >> 4) -
                              ((rnd.Rand16() & mask_) >> 4);
188
      ASM_REGISTER_STATE_CHECK(
189
          RunFwdTxfm(test_input_block, test_output_block, pitch_));
Daniel Kang's avatar
Daniel Kang committed
190

191
192
193
194
195
196
197
      for (int j = 0; j < 64; ++j) {
        if (test_output_block[j] < 0)
          ++count_sign_block[j][0];
        else if (test_output_block[j] > 0)
          ++count_sign_block[j][1];
      }
    }
Daniel Kang's avatar
Daniel Kang committed
198
199

    for (int j = 0; j < 64; ++j) {
200
      const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
201
      const int max_diff = kSignBiasMaxDiff15;
202
      EXPECT_LT(diff, max_diff << (bit_depth_ - 8))
203
          << "Error: 8x8 FDCT/FHT has a sign bias > "
204
205
206
207
208
          << 1. * max_diff / count_test_block * 100 << "%"
          << " for input range [-15, 15] at index " << j
          << " count0: " << count_sign_block[j][0]
          << " count1: " << count_sign_block[j][1]
          << " diff: " << diff;
Daniel Kang's avatar
Daniel Kang committed
209
210
211
    }
  }

212
213
214
215
216
  void RunRoundTripErrorCheck() {
    ACMRandom rnd(ACMRandom::DeterministicSeed());
    int max_error = 0;
    int total_error = 0;
    const int count_test_block = 100000;
217
218
219
220
    DECLARE_ALIGNED(16, int16_t, test_input_block[64]);
    DECLARE_ALIGNED(16, tran_low_t, test_temp_block[64]);
    DECLARE_ALIGNED(16, uint8_t, dst[64]);
    DECLARE_ALIGNED(16, uint8_t, src[64]);
221
#if CONFIG_VP9_HIGHBITDEPTH
222
223
    DECLARE_ALIGNED(16, uint16_t, dst16[64]);
    DECLARE_ALIGNED(16, uint16_t, src16[64]);
224
#endif
Daniel Kang's avatar
Daniel Kang committed
225

226
    for (int i = 0; i < count_test_block; ++i) {
227
      // Initialize a test block with input range [-mask_, mask_].
228
      for (int j = 0; j < 64; ++j) {
229
230
231
232
233
234
235
236
237
238
239
        if (bit_depth_ == VPX_BITS_8) {
          src[j] = rnd.Rand8();
          dst[j] = rnd.Rand8();
          test_input_block[j] = src[j] - dst[j];
#if CONFIG_VP9_HIGHBITDEPTH
        } else {
          src16[j] = rnd.Rand16() & mask_;
          dst16[j] = rnd.Rand16() & mask_;
          test_input_block[j] = src16[j] - dst16[j];
#endif
        }
240
      }
Daniel Kang's avatar
Daniel Kang committed
241

242
      ASM_REGISTER_STATE_CHECK(
243
244
245
246
247
248
249
250
251
252
253
254
          RunFwdTxfm(test_input_block, test_temp_block, pitch_));
      for (int j = 0; j < 64; ++j) {
          if (test_temp_block[j] > 0) {
            test_temp_block[j] += 2;
            test_temp_block[j] /= 4;
            test_temp_block[j] *= 4;
          } else {
            test_temp_block[j] -= 2;
            test_temp_block[j] /= 4;
            test_temp_block[j] *= 4;
          }
      }
255
256
257
258
259
260
261
262
263
      if (bit_depth_ == VPX_BITS_8) {
        ASM_REGISTER_STATE_CHECK(
            RunInvTxfm(test_temp_block, dst, pitch_));
#if CONFIG_VP9_HIGHBITDEPTH
      } else {
        ASM_REGISTER_STATE_CHECK(
            RunInvTxfm(test_temp_block, CONVERT_TO_BYTEPTR(dst16), pitch_));
#endif
      }
264
265

      for (int j = 0; j < 64; ++j) {
266
267
268
269
#if CONFIG_VP9_HIGHBITDEPTH
        const int diff =
            bit_depth_ == VPX_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
#else
270
        const int diff = dst[j] - src[j];
271
#endif
272
273
274
275
276
        const int error = diff * diff;
        if (max_error < error)
          max_error = error;
        total_error += error;
      }
Daniel Kang's avatar
Daniel Kang committed
277
278
    }

279
    EXPECT_GE(1 << 2 * (bit_depth_ - 8), max_error)
280
281
      << "Error: 8x8 FDCT/IDCT or FHT/IHT has an individual"
      << " roundtrip error > 1";
Daniel Kang's avatar
Daniel Kang committed
282

283
    EXPECT_GE((count_test_block << 2 * (bit_depth_ - 8))/5, total_error)
284
285
286
      << "Error: 8x8 FDCT/IDCT or FHT/IHT has average roundtrip "
      << "error > 1/5 per block";
  }
Daniel Kang's avatar
Daniel Kang committed
287

288
289
290
291
  void RunExtremalCheck() {
    ACMRandom rnd(ACMRandom::DeterministicSeed());
    int max_error = 0;
    int total_error = 0;
292
    int total_coeff_error = 0;
293
    const int count_test_block = 100000;
294
295
296
297
298
    DECLARE_ALIGNED(16, int16_t, test_input_block[64]);
    DECLARE_ALIGNED(16, tran_low_t, test_temp_block[64]);
    DECLARE_ALIGNED(16, tran_low_t, ref_temp_block[64]);
    DECLARE_ALIGNED(16, uint8_t, dst[64]);
    DECLARE_ALIGNED(16, uint8_t, src[64]);
299
#if CONFIG_VP9_HIGHBITDEPTH
300
301
    DECLARE_ALIGNED(16, uint16_t, dst16[64]);
    DECLARE_ALIGNED(16, uint16_t, src16[64]);
302
#endif
Daniel Kang's avatar
Daniel Kang committed
303

304
    for (int i = 0; i < count_test_block; ++i) {
305
      // Initialize a test block with input range [-mask_, mask_].
306
      for (int j = 0; j < 64; ++j) {
307
308
309
310
311
312
313
314
315
316
317
318
319
        if (bit_depth_ == VPX_BITS_8) {
          if (i == 0) {
            src[j] = 255;
            dst[j] = 0;
          } else if (i == 1) {
            src[j] = 0;
            dst[j] = 255;
          } else {
            src[j] = rnd.Rand8() % 2 ? 255 : 0;
            dst[j] = rnd.Rand8() % 2 ? 255 : 0;
          }
          test_input_block[j] = src[j] - dst[j];
#if CONFIG_VP9_HIGHBITDEPTH
320
        } else {
321
322
323
324
325
326
327
328
329
330
331
332
          if (i == 0) {
            src16[j] = mask_;
            dst16[j] = 0;
          } else if (i == 1) {
            src16[j] = 0;
            dst16[j] = mask_;
          } else {
            src16[j] = rnd.Rand8() % 2 ? mask_ : 0;
            dst16[j] = rnd.Rand8() % 2 ? mask_ : 0;
          }
          test_input_block[j] = src16[j] - dst16[j];
#endif
333
        }
334
      }
Daniel Kang's avatar
Daniel Kang committed
335

336
      ASM_REGISTER_STATE_CHECK(
337
          RunFwdTxfm(test_input_block, test_temp_block, pitch_));
338
      ASM_REGISTER_STATE_CHECK(
339
          fwd_txfm_ref(test_input_block, ref_temp_block, pitch_, tx_type_));
340
341
342
343
344
345
346
347
348
      if (bit_depth_ == VPX_BITS_8) {
        ASM_REGISTER_STATE_CHECK(
            RunInvTxfm(test_temp_block, dst, pitch_));
#if CONFIG_VP9_HIGHBITDEPTH
      } else {
        ASM_REGISTER_STATE_CHECK(
            RunInvTxfm(test_temp_block, CONVERT_TO_BYTEPTR(dst16), pitch_));
#endif
      }
349
350

      for (int j = 0; j < 64; ++j) {
351
352
353
354
#if CONFIG_VP9_HIGHBITDEPTH
        const int diff =
            bit_depth_ == VPX_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
#else
355
        const int diff = dst[j] - src[j];
356
#endif
357
358
359
360
        const int error = diff * diff;
        if (max_error < error)
          max_error = error;
        total_error += error;
361
362
363

        const int coeff_diff = test_temp_block[j] - ref_temp_block[j];
        total_coeff_error += abs(coeff_diff);
364
365
      }

366
      EXPECT_GE(1 << 2 * (bit_depth_ - 8), max_error)
367
368
369
          << "Error: Extremal 8x8 FDCT/IDCT or FHT/IHT has"
          << "an individual roundtrip error > 1";

370
      EXPECT_GE((count_test_block << 2 * (bit_depth_ - 8))/5, total_error)
371
372
          << "Error: Extremal 8x8 FDCT/IDCT or FHT/IHT has average"
          << " roundtrip error > 1/5 per block";
373
374
375
376

      EXPECT_EQ(0, total_coeff_error)
          << "Error: Extremal 8x8 FDCT/FHT has"
          << "overflow issues in the intermediate steps > 1";
Daniel Kang's avatar
Daniel Kang committed
377
    }
378
  }
Daniel Kang's avatar
Daniel Kang committed
379

380
381
382
  void RunInvAccuracyCheck() {
    ACMRandom rnd(ACMRandom::DeterministicSeed());
    const int count_test_block = 1000;
383
384
385
386
    DECLARE_ALIGNED(16, int16_t, in[kNumCoeffs]);
    DECLARE_ALIGNED(16, tran_low_t, coeff[kNumCoeffs]);
    DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
    DECLARE_ALIGNED(16, uint8_t, src[kNumCoeffs]);
387
#if CONFIG_VP9_HIGHBITDEPTH
388
389
    DECLARE_ALIGNED(16, uint16_t, src16[kNumCoeffs]);
    DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
#endif

    for (int i = 0; i < count_test_block; ++i) {
      double out_r[kNumCoeffs];

      // Initialize a test block with input range [-255, 255].
      for (int j = 0; j < kNumCoeffs; ++j) {
        if (bit_depth_ == VPX_BITS_8) {
          src[j] = rnd.Rand8() % 2 ? 255 : 0;
          dst[j] = src[j] > 0 ? 0 : 255;
          in[j] = src[j] - dst[j];
#if CONFIG_VP9_HIGHBITDEPTH
        } else {
          src16[j] = rnd.Rand8() % 2 ? mask_ : 0;
          dst16[j] = src16[j] > 0 ? 0 : mask_;
          in[j] = src16[j] - dst16[j];
#endif
        }
      }

      reference_8x8_dct_2d(in, out_r);
      for (int j = 0; j < kNumCoeffs; ++j)
412
        coeff[j] = static_cast<tran_low_t>(round(out_r[j]));
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440

      if (bit_depth_ == VPX_BITS_8) {
        ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, pitch_));
#if CONFIG_VP9_HIGHBITDEPTH
      } else {
        ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, CONVERT_TO_BYTEPTR(dst16),
                                            pitch_));
#endif
      }

      for (int j = 0; j < kNumCoeffs; ++j) {
#if CONFIG_VP9_HIGHBITDEPTH
        const uint32_t diff =
            bit_depth_ == VPX_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
#else
        const uint32_t diff = dst[j] - src[j];
#endif
        const uint32_t error = diff * diff;
        EXPECT_GE(1u << 2 * (bit_depth_ - 8), error)
            << "Error: 8x8 IDCT has error " << error
            << " at index " << j;
      }
    }
  }

  void RunFwdAccuracyCheck() {
    ACMRandom rnd(ACMRandom::DeterministicSeed());
    const int count_test_block = 1000;
441
442
443
    DECLARE_ALIGNED(16, int16_t, in[kNumCoeffs]);
    DECLARE_ALIGNED(16, tran_low_t, coeff_r[kNumCoeffs]);
    DECLARE_ALIGNED(16, tran_low_t, coeff[kNumCoeffs]);
444
445
446
447
448
449
450
451
452
453
454

    for (int i = 0; i < count_test_block; ++i) {
      double out_r[kNumCoeffs];

      // Initialize a test block with input range [-mask_, mask_].
      for (int j = 0; j < kNumCoeffs; ++j)
        in[j] = rnd.Rand8() % 2 == 0 ? mask_ : -mask_;

      RunFwdTxfm(in, coeff, pitch_);
      reference_8x8_dct_2d(in, out_r);
      for (int j = 0; j < kNumCoeffs; ++j)
455
        coeff_r[j] = static_cast<tran_low_t>(round(out_r[j]));
456
457
458
459
460
461
462
463
464
465

      for (int j = 0; j < kNumCoeffs; ++j) {
        const uint32_t diff = coeff[j] - coeff_r[j];
        const uint32_t error = diff * diff;
        EXPECT_GE(9u << 2 * (bit_depth_ - 8), error)
            << "Error: 8x8 DCT has error " << error
            << " at index " << j;
      }
    }
  }
466
467
468
469
470

void CompareInvReference(IdctFunc ref_txfm, int thresh) {
    ACMRandom rnd(ACMRandom::DeterministicSeed());
    const int count_test_block = 10000;
    const int eob = 12;
471
472
473
    DECLARE_ALIGNED(16, tran_low_t, coeff[kNumCoeffs]);
    DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
    DECLARE_ALIGNED(16, uint8_t, ref[kNumCoeffs]);
474
#if CONFIG_VP9_HIGHBITDEPTH
475
476
    DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
    DECLARE_ALIGNED(16, uint16_t, ref16[kNumCoeffs]);
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
#endif
    const int16_t *scan = vp9_default_scan_orders[TX_8X8].scan;

    for (int i = 0; i < count_test_block; ++i) {
      for (int j = 0; j < kNumCoeffs; ++j) {
        if (j < eob) {
          // Random values less than the threshold, either positive or negative
          coeff[scan[j]] = rnd(thresh) * (1-2*(i%2));
        } else {
          coeff[scan[j]] = 0;
        }
        if (bit_depth_ == VPX_BITS_8) {
          dst[j] = 0;
          ref[j] = 0;
#if CONFIG_VP9_HIGHBITDEPTH
        } else {
          dst16[j] = 0;
          ref16[j] = 0;
#endif
        }
      }
      if (bit_depth_ == VPX_BITS_8) {
        ref_txfm(coeff, ref, pitch_);
        ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, pitch_));
#if CONFIG_VP9_HIGHBITDEPTH
      } else {
        ref_txfm(coeff, CONVERT_TO_BYTEPTR(ref16), pitch_);
        ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, CONVERT_TO_BYTEPTR(dst16),
                                            pitch_));
#endif
      }

      for (int j = 0; j < kNumCoeffs; ++j) {
#if CONFIG_VP9_HIGHBITDEPTH
        const uint32_t diff =
            bit_depth_ == VPX_BITS_8 ? dst[j] - ref[j] : dst16[j] - ref16[j];
#else
        const uint32_t diff = dst[j] - ref[j];
#endif
        const uint32_t error = diff * diff;
        EXPECT_EQ(0u, error)
            << "Error: 8x8 IDCT has error " << error
            << " at index " << j;
      }
    }
  }
523
524
  int pitch_;
  int tx_type_;
525
  FhtFunc fwd_txfm_ref;
526
527
  vpx_bit_depth_t bit_depth_;
  int mask_;
528
};
Daniel Kang's avatar
Daniel Kang committed
529

530
531
class FwdTrans8x8DCT
    : public FwdTrans8x8TestBase,
532
      public ::testing::TestWithParam<Dct8x8Param> {
533
534
535
536
537
538
539
 public:
  virtual ~FwdTrans8x8DCT() {}

  virtual void SetUp() {
    fwd_txfm_ = GET_PARAM(0);
    inv_txfm_ = GET_PARAM(1);
    tx_type_  = GET_PARAM(2);
540
    pitch_    = 8;
541
    fwd_txfm_ref = fdct8x8_ref;
542
543
    bit_depth_ = GET_PARAM(3);
    mask_ = (1 << bit_depth_) - 1;
544
545
546
547
548
  }

  virtual void TearDown() { libvpx_test::ClearSystemState(); }

 protected:
549
  void RunFwdTxfm(int16_t *in, tran_low_t *out, int stride) {
550
551
    fwd_txfm_(in, out, stride);
  }
552
  void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) {
553
    inv_txfm_(out, dst, stride);
Daniel Kang's avatar
Daniel Kang committed
554
  }
555

556
557
  FdctFunc fwd_txfm_;
  IdctFunc inv_txfm_;
558
559
560
561
};

TEST_P(FwdTrans8x8DCT, SignBiasCheck) {
  RunSignBiasCheck();
Jingning Han's avatar
Jingning Han committed
562
}
Daniel Kang's avatar
Daniel Kang committed
563

564
565
566
567
568
569
570
571
TEST_P(FwdTrans8x8DCT, RoundTripErrorCheck) {
  RunRoundTripErrorCheck();
}

TEST_P(FwdTrans8x8DCT, ExtremalCheck) {
  RunExtremalCheck();
}

572
573
574
575
576
577
578
579
TEST_P(FwdTrans8x8DCT, FwdAccuracyCheck) {
  RunFwdAccuracyCheck();
}

TEST_P(FwdTrans8x8DCT, InvAccuracyCheck) {
  RunInvAccuracyCheck();
}

580
581
class FwdTrans8x8HT
    : public FwdTrans8x8TestBase,
582
      public ::testing::TestWithParam<Ht8x8Param> {
583
584
585
586
587
588
589
590
591
 public:
  virtual ~FwdTrans8x8HT() {}

  virtual void SetUp() {
    fwd_txfm_ = GET_PARAM(0);
    inv_txfm_ = GET_PARAM(1);
    tx_type_  = GET_PARAM(2);
    pitch_    = 8;
    fwd_txfm_ref = fht8x8_ref;
592
593
    bit_depth_ = GET_PARAM(3);
    mask_ = (1 << bit_depth_) - 1;
594
595
596
597
598
  }

  virtual void TearDown() { libvpx_test::ClearSystemState(); }

 protected:
599
  void RunFwdTxfm(int16_t *in, tran_low_t *out, int stride) {
600
601
    fwd_txfm_(in, out, stride, tx_type_);
  }
602
  void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) {
603
604
605
    inv_txfm_(out, dst, stride, tx_type_);
  }

606
607
  FhtFunc fwd_txfm_;
  IhtFunc inv_txfm_;
608
609
610
611
612
613
614
615
616
617
618
619
620
621
};

TEST_P(FwdTrans8x8HT, SignBiasCheck) {
  RunSignBiasCheck();
}

TEST_P(FwdTrans8x8HT, RoundTripErrorCheck) {
  RunRoundTripErrorCheck();
}

TEST_P(FwdTrans8x8HT, ExtremalCheck) {
  RunExtremalCheck();
}

622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
class InvTrans8x8DCT
    : public FwdTrans8x8TestBase,
      public ::testing::TestWithParam<Idct8x8Param> {
 public:
  virtual ~InvTrans8x8DCT() {}

  virtual void SetUp() {
    ref_txfm_ = GET_PARAM(0);
    inv_txfm_ = GET_PARAM(1);
    thresh_ = GET_PARAM(2);
    pitch_ = 8;
    bit_depth_ = GET_PARAM(3);
    mask_ = (1 << bit_depth_) - 1;
  }

  virtual void TearDown() { libvpx_test::ClearSystemState(); }

 protected:
  void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) {
    inv_txfm_(out, dst, stride);
  }
  void RunFwdTxfm(int16_t *out, tran_low_t *dst, int stride) {}

  IdctFunc ref_txfm_;
  IdctFunc inv_txfm_;
  int thresh_;
};

TEST_P(InvTrans8x8DCT, CompareReference) {
  CompareInvReference(ref_txfm_, thresh_);
}

654
655
using std::tr1::make_tuple;

656
#if CONFIG_VP9_HIGHBITDEPTH
657
658
659
INSTANTIATE_TEST_CASE_P(
    C, FwdTrans8x8DCT,
    ::testing::Values(
660
        make_tuple(&vp9_fdct8x8_c, &vp9_idct8x8_64_add_c, 0, VPX_BITS_8),
661
        make_tuple(&vp9_highbd_fdct8x8_c, &idct8x8_10, 0, VPX_BITS_10),
662
        make_tuple(&vp9_highbd_fdct8x8_c, &idct8x8_12, 0, VPX_BITS_12)));
663
664
#else
INSTANTIATE_TEST_CASE_P(
665
    C, FwdTrans8x8DCT,
666
667
    ::testing::Values(
        make_tuple(&vp9_fdct8x8_c, &vp9_idct8x8_64_add_c, 0, VPX_BITS_8)));
668
#endif  // CONFIG_VP9_HIGHBITDEPTH
669
670

#if CONFIG_VP9_HIGHBITDEPTH
671
672
673
INSTANTIATE_TEST_CASE_P(
    C, FwdTrans8x8HT,
    ::testing::Values(
674
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 0, VPX_BITS_8),
675
676
677
678
679
680
681
682
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_10, 0, VPX_BITS_10),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_10, 1, VPX_BITS_10),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_10, 2, VPX_BITS_10),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_10, 3, VPX_BITS_10),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_12, 0, VPX_BITS_12),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_12, 1, VPX_BITS_12),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_12, 2, VPX_BITS_12),
        make_tuple(&vp9_highbd_fht8x8_c, &iht8x8_12, 3, VPX_BITS_12),
683
684
685
686
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 1, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 2, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 3, VPX_BITS_8)));
#else
687
688
// TODO(jingning): re-enable after this handles the expanded range [0, 65535]
// returned from Rand16().
689
690
691
INSTANTIATE_TEST_CASE_P(
    C, FwdTrans8x8HT,
    ::testing::Values(
692
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 0, VPX_BITS_8),
693
694
695
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 1, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 2, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_c, 3, VPX_BITS_8)));
696
#endif  // CONFIG_VP9_HIGHBITDEPTH
697

698
#if HAVE_NEON_ASM && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
699
700
// TODO(jingning): re-enable after this handles the expanded range [0, 65535]
// returned from Rand16().
James Zern's avatar
James Zern committed
701
INSTANTIATE_TEST_CASE_P(
702
    NEON, FwdTrans8x8DCT,
James Zern's avatar
James Zern committed
703
    ::testing::Values(
704
705
        make_tuple(&vp9_fdct8x8_neon, &vp9_idct8x8_64_add_neon, 0,
                   VPX_BITS_8)));
706
707
708
#endif  // HAVE_NEON_ASM && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE

#if HAVE_NEON && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
James Zern's avatar
James Zern committed
709
INSTANTIATE_TEST_CASE_P(
710
    NEON, FwdTrans8x8HT,
James Zern's avatar
James Zern committed
711
    ::testing::Values(
712
713
714
715
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_neon, 0, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_neon, 1, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_neon, 2, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_neon, 3, VPX_BITS_8)));
716
#endif  // HAVE_NEON && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
James Zern's avatar
James Zern committed
717

718
#if HAVE_SSE2 && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
719
720
// TODO(jingning): re-enable after these handle the expanded range [0, 65535]
// returned from Rand16().
721
INSTANTIATE_TEST_CASE_P(
722
    SSE2, FwdTrans8x8DCT,
723
    ::testing::Values(
724
725
        make_tuple(&vp9_fdct8x8_sse2, &vp9_idct8x8_64_add_sse2, 0,
                   VPX_BITS_8)));
726
727
728
INSTANTIATE_TEST_CASE_P(
    SSE2, FwdTrans8x8HT,
    ::testing::Values(
729
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_sse2, 0, VPX_BITS_8),
730
731
732
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_sse2, 1, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_sse2, 2, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_sse2, 3, VPX_BITS_8)));
733
734
735
736
737
738
#endif  // HAVE_SSE2 && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE

#if HAVE_SSE2 && CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
INSTANTIATE_TEST_CASE_P(
    SSE2, FwdTrans8x8DCT,
    ::testing::Values(
739
        make_tuple(&vp9_fdct8x8_sse2, &vp9_idct8x8_64_add_c, 0, VPX_BITS_8),
740
741
742
743
744
745
746
        make_tuple(&vp9_highbd_fdct8x8_c,
                   &idct8x8_64_add_10_sse2, 12, VPX_BITS_10),
        make_tuple(&vp9_highbd_fdct8x8_sse2,
                   &idct8x8_64_add_10_sse2, 12, VPX_BITS_10),
        make_tuple(&vp9_highbd_fdct8x8_c,
                   &idct8x8_64_add_12_sse2, 12, VPX_BITS_12),
        make_tuple(&vp9_highbd_fdct8x8_sse2,
747
                   &idct8x8_64_add_12_sse2, 12, VPX_BITS_12)));
748

749
750
// TODO(jingning): re-enable after these handle the expanded range [0, 65535]
// returned from Rand16().
751
752
753
INSTANTIATE_TEST_CASE_P(
    SSE2, FwdTrans8x8HT,
    ::testing::Values(
754
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_c, 0, VPX_BITS_8),
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_c, 1, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_c, 2, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_sse2, &vp9_iht8x8_64_add_c, 3, VPX_BITS_8)));

// Optimizations take effect at a threshold of 6201, so we use a value close to
// that to test both branches.
INSTANTIATE_TEST_CASE_P(
    SSE2, InvTrans8x8DCT,
    ::testing::Values(
        make_tuple(&idct8x8_10_add_10_c,
                   &idct8x8_10_add_10_sse2, 6225, VPX_BITS_10),
        make_tuple(&idct8x8_10,
                   &idct8x8_64_add_10_sse2, 6225, VPX_BITS_10),
        make_tuple(&idct8x8_10_add_12_c,
                   &idct8x8_10_add_12_sse2, 6225, VPX_BITS_12),
        make_tuple(&idct8x8_12,
                   &idct8x8_64_add_12_sse2, 6225, VPX_BITS_12)));
#endif  // HAVE_SSE2 && CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
773

774
775
#if HAVE_SSSE3 && ARCH_X86_64 && !CONFIG_VP9_HIGHBITDEPTH && \
    !CONFIG_EMULATE_HARDWARE
776
777
// TODO(jingning): re-enable after this handles the expanded range [0, 65535]
// returned from Rand16().
778
INSTANTIATE_TEST_CASE_P(
779
    SSSE3, FwdTrans8x8DCT,
780
    ::testing::Values(
781
782
        make_tuple(&vp9_fdct8x8_ssse3, &vp9_idct8x8_64_add_ssse3, 0,
                   VPX_BITS_8)));
783
#endif
784

785
#if HAVE_MSA && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
786
787
788
789
790
791
792
793
794
795
796
797
INSTANTIATE_TEST_CASE_P(
    MSA, FwdTrans8x8DCT,
    ::testing::Values(
        make_tuple(&vp9_fdct8x8_c, &vp9_idct8x8_64_add_msa, 0, VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(
    MSA, FwdTrans8x8HT,
    ::testing::Values(
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_msa, 0, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_msa, 1, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_msa, 2, VPX_BITS_8),
        make_tuple(&vp9_fht8x8_c, &vp9_iht8x8_64_add_msa, 3, VPX_BITS_8)));
#endif  // HAVE_MSA && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
Daniel Kang's avatar
Daniel Kang committed
798
}  // namespace