summaryrefslogtreecommitdiffstats
path: root/media/libaom/src/test/resize_test.cc
blob: b270b8362ff7c343fb3191155cfd500ff009985c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
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
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
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
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

#include <climits>
#include <vector>
#include "aom_dsp/aom_dsp_common.h"
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/video_source.h"
#include "test/util.h"

// Enable(1) or Disable(0) writing of the compressed bitstream.
#define WRITE_COMPRESSED_STREAM 0

namespace {

#if WRITE_COMPRESSED_STREAM
static void mem_put_le16(char *const mem, unsigned int val) {
  mem[0] = val;
  mem[1] = val >> 8;
}

static void mem_put_le32(char *const mem, unsigned int val) {
  mem[0] = val;
  mem[1] = val >> 8;
  mem[2] = val >> 16;
  mem[3] = val >> 24;
}

static void write_ivf_file_header(const aom_codec_enc_cfg_t *const cfg,
                                  int frame_cnt, FILE *const outfile) {
  char header[32];

  header[0] = 'D';
  header[1] = 'K';
  header[2] = 'I';
  header[3] = 'F';
  mem_put_le16(header + 4, 0);                    /* version */
  mem_put_le16(header + 6, 32);                   /* headersize */
  mem_put_le32(header + 8, 0x30395056);           /* fourcc (av1) */
  mem_put_le16(header + 12, cfg->g_w);            /* width */
  mem_put_le16(header + 14, cfg->g_h);            /* height */
  mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
  mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
  mem_put_le32(header + 24, frame_cnt);           /* length */
  mem_put_le32(header + 28, 0);                   /* unused */

  (void)fwrite(header, 1, 32, outfile);
}

static void write_ivf_frame_size(FILE *const outfile, const size_t size) {
  char header[4];
  mem_put_le32(header, static_cast<unsigned int>(size));
  (void)fwrite(header, 1, 4, outfile);
}

static void write_ivf_frame_header(const aom_codec_cx_pkt_t *const pkt,
                                   FILE *const outfile) {
  char header[12];
  aom_codec_pts_t pts;

  if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return;

  pts = pkt->data.frame.pts;
  mem_put_le32(header, static_cast<unsigned int>(pkt->data.frame.sz));
  mem_put_le32(header + 4, pts & 0xFFFFFFFF);
  mem_put_le32(header + 8, pts >> 32);

  (void)fwrite(header, 1, 12, outfile);
}
#endif  // WRITE_COMPRESSED_STREAM

const unsigned int kInitialWidth = 320;
const unsigned int kInitialHeight = 240;

struct FrameInfo {
  FrameInfo(aom_codec_pts_t _pts, unsigned int _w, unsigned int _h)
      : pts(_pts), w(_w), h(_h) {}

  aom_codec_pts_t pts;
  unsigned int w;
  unsigned int h;
};

void ScaleForFrameNumber(unsigned int frame, unsigned int initial_w,
                         unsigned int initial_h, unsigned int *w,
                         unsigned int *h, int flag_codec) {
  if (frame < 10) {
    *w = initial_w;
    *h = initial_h;
    return;
  }
  if (frame < 20) {
    *w = initial_w * 3 / 4;
    *h = initial_h * 3 / 4;
    return;
  }
  if (frame < 30) {
    *w = initial_w / 2;
    *h = initial_h / 2;
    return;
  }
  if (frame < 40) {
    *w = initial_w;
    *h = initial_h;
    return;
  }
  if (frame < 50) {
    *w = initial_w * 3 / 4;
    *h = initial_h * 3 / 4;
    return;
  }
  if (frame < 60) {
    *w = initial_w / 2;
    *h = initial_h / 2;
    return;
  }
  if (frame < 70) {
    *w = initial_w;
    *h = initial_h;
    return;
  }
  if (frame < 80) {
    *w = initial_w * 3 / 4;
    *h = initial_h * 3 / 4;
    return;
  }
  if (frame < 90) {
    *w = initial_w / 2;
    *h = initial_h / 2;
    return;
  }
  if (frame < 100) {
    *w = initial_w * 3 / 4;
    *h = initial_h * 3 / 4;
    return;
  }
  if (frame < 110) {
    *w = initial_w;
    *h = initial_h;
    return;
  }
  // Go down very low
  if (frame < 120) {
    *w = initial_w / 4;
    *h = initial_h / 4;
    return;
  }
  if (flag_codec == 1) {
    // Cases that only works for AV1.
    // For AV1: Swap width and height of original.
    if (frame < 140) {
      *w = initial_h;
      *h = initial_w;
      return;
    }
  }
  *w = initial_w;
  *h = initial_h;
}

class ResizingVideoSource : public ::libaom_test::DummyVideoSource {
 public:
  ResizingVideoSource() {
    SetSize(kInitialWidth, kInitialHeight);
    limit_ = 150;
  }
  int flag_codec_;
  virtual ~ResizingVideoSource() {}

 protected:
  virtual void Next() {
    ++frame_;
    unsigned int width;
    unsigned int height;
    ScaleForFrameNumber(frame_, kInitialWidth, kInitialHeight, &width, &height,
                        flag_codec_);
    SetSize(width, height);
    FillFrame();
  }
};

class ResizeTest
    : public ::libaom_test::CodecTestWithParam<libaom_test::TestMode>,
      public ::libaom_test::EncoderTest {
 protected:
  ResizeTest() : EncoderTest(GET_PARAM(0)) {}

  virtual ~ResizeTest() {}

  virtual void SetUp() {
    InitializeConfig();
    SetMode(GET_PARAM(1));
  }

  virtual void DecompressedFrameHook(const aom_image_t &img,
                                     aom_codec_pts_t pts) {
    frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
  }

  std::vector<FrameInfo> frame_info_list_;
};

TEST_P(ResizeTest, TestExternalResizeWorks) {
  ResizingVideoSource video;
  video.flag_codec_ = 0;
  cfg_.g_lag_in_frames = 0;
  // We use max(kInitialWidth, kInitialHeight) because during the test
  // the width and height of the frame are swapped
  cfg_.g_forced_max_frame_width = cfg_.g_forced_max_frame_height =
      AOMMAX(kInitialWidth, kInitialHeight);
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

  // Check we decoded the same number of frames as we attempted to encode
  ASSERT_EQ(frame_info_list_.size(), video.limit());

  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
       info != frame_info_list_.end(); ++info) {
    const unsigned int frame = static_cast<unsigned>(info->pts);
    unsigned int expected_w;
    unsigned int expected_h;
    ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, &expected_w,
                        &expected_h, 0);
    EXPECT_EQ(expected_w, info->w)
        << "Frame " << frame << " had unexpected width";
    EXPECT_EQ(expected_h, info->h)
        << "Frame " << frame << " had unexpected height";
  }
}

const unsigned int kStepDownFrame = 3;
const unsigned int kStepUpFrame = 6;

class ResizeInternalTestLarge : public ResizeTest {
 protected:
#if WRITE_COMPRESSED_STREAM
  ResizeInternalTestLarge()
      : ResizeTest(), frame0_psnr_(0.0), outfile_(NULL), out_frames_(0) {}
#else
  ResizeInternalTestLarge() : ResizeTest(), frame0_psnr_(0.0) {}
#endif

  virtual ~ResizeInternalTestLarge() {}

  virtual void BeginPassHook(unsigned int /*pass*/) {
#if WRITE_COMPRESSED_STREAM
    outfile_ = fopen("av10-2-05-resize.ivf", "wb");
#endif
  }

  virtual void EndPassHook() {
#if WRITE_COMPRESSED_STREAM
    if (outfile_) {
      if (!fseek(outfile_, 0, SEEK_SET))
        write_ivf_file_header(&cfg_, out_frames_, outfile_);
      fclose(outfile_);
      outfile_ = NULL;
    }
#endif
  }

  virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
                                  libaom_test::Encoder *encoder) {
    if (change_config_) {
      int new_q = 60;
      if (video->frame() == 0) {
        struct aom_scaling_mode mode = { AOME_ONETWO, AOME_ONETWO };
        encoder->Control(AOME_SET_SCALEMODE, &mode);
      }
      if (video->frame() == 1) {
        struct aom_scaling_mode mode = { AOME_NORMAL, AOME_NORMAL };
        encoder->Control(AOME_SET_SCALEMODE, &mode);
        cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = new_q;
        encoder->Config(&cfg_);
      }
    } else {
      if (video->frame() >= kStepDownFrame && video->frame() < kStepUpFrame) {
        struct aom_scaling_mode mode = { AOME_FOURFIVE, AOME_THREEFIVE };
        encoder->Control(AOME_SET_SCALEMODE, &mode);
      }
      if (video->frame() >= kStepUpFrame) {
        struct aom_scaling_mode mode = { AOME_NORMAL, AOME_NORMAL };
        encoder->Control(AOME_SET_SCALEMODE, &mode);
      }
    }
  }

  virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
    if (frame0_psnr_ == 0.) frame0_psnr_ = pkt->data.psnr.psnr[0];
    EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 2.5);
  }

#if WRITE_COMPRESSED_STREAM
  virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
    ++out_frames_;

    // Write initial file header if first frame.
    if (pkt->data.frame.pts == 0) write_ivf_file_header(&cfg_, 0, outfile_);

    // Write frame header and data.
    write_ivf_frame_header(pkt, outfile_);
    (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_);
  }
#endif

  double frame0_psnr_;
  bool change_config_;
#if WRITE_COMPRESSED_STREAM
  FILE *outfile_;
  unsigned int out_frames_;
#endif
};

TEST_P(ResizeInternalTestLarge, TestInternalResizeWorks) {
  ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                       30, 1, 0, 10);
  init_flags_ = AOM_CODEC_USE_PSNR;
  change_config_ = false;

  // q picked such that initial keyframe on this clip is ~30dB PSNR
  cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48;

  // If the number of frames being encoded is smaller than g_lag_in_frames
  // the encoded frame is unavailable using the current API. Comparing
  // frames to detect mismatch would then not be possible. Set
  // g_lag_in_frames = 0 to get around this.
  cfg_.g_lag_in_frames = 0;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
       info != frame_info_list_.end(); ++info) {
  }
  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
       info != frame_info_list_.end(); ++info) {
    const aom_codec_pts_t pts = info->pts;
    if (pts >= kStepDownFrame && pts < kStepUpFrame) {
      ASSERT_EQ(282U, info->w) << "Frame " << pts << " had unexpected width";
      ASSERT_EQ(173U, info->h) << "Frame " << pts << " had unexpected height";
    } else {
      EXPECT_EQ(352U, info->w) << "Frame " << pts << " had unexpected width";
      EXPECT_EQ(288U, info->h) << "Frame " << pts << " had unexpected height";
    }
  }
}

TEST_P(ResizeInternalTestLarge, TestInternalResizeChangeConfig) {
  ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                       30, 1, 0, 10);
  cfg_.g_w = 352;
  cfg_.g_h = 288;
  change_config_ = true;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}

class ResizeRealtimeTest
    : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
      public ::libaom_test::EncoderTest {
 protected:
  ResizeRealtimeTest() : EncoderTest(GET_PARAM(0)) {}
  virtual ~ResizeRealtimeTest() {}

  virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
                                  libaom_test::Encoder *encoder) {
    if (video->frame() == 0) {
      encoder->Control(AV1E_SET_AQ_MODE, 3);
      encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
    }

    if (change_bitrate_ && video->frame() == 120) {
      change_bitrate_ = false;
      cfg_.rc_target_bitrate = 500;
      encoder->Config(&cfg_);
    }
  }

  virtual void SetUp() {
    InitializeConfig();
    SetMode(GET_PARAM(1));
    set_cpu_used_ = GET_PARAM(2);
  }

  virtual void DecompressedFrameHook(const aom_image_t &img,
                                     aom_codec_pts_t pts) {
    frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
  }

  virtual void MismatchHook(const aom_image_t *img1, const aom_image_t *img2) {
    double mismatch_psnr = compute_psnr(img1, img2);
    mismatch_psnr_ += mismatch_psnr;
    ++mismatch_nframes_;
  }

  unsigned int GetMismatchFrames() { return mismatch_nframes_; }

  void DefaultConfig() {
    cfg_.rc_buf_initial_sz = 500;
    cfg_.rc_buf_optimal_sz = 600;
    cfg_.rc_buf_sz = 1000;
    cfg_.rc_min_quantizer = 2;
    cfg_.rc_max_quantizer = 56;
    cfg_.rc_undershoot_pct = 50;
    cfg_.rc_overshoot_pct = 50;
    cfg_.rc_end_usage = AOM_CBR;
    cfg_.kf_mode = AOM_KF_AUTO;
    cfg_.g_lag_in_frames = 0;
    cfg_.kf_min_dist = cfg_.kf_max_dist = 3000;
    // Enable dropped frames.
    cfg_.rc_dropframe_thresh = 1;
    // Disable error_resilience mode.
    cfg_.g_error_resilient = 0;
    // Run at low bitrate.
    cfg_.rc_target_bitrate = 200;
    // We use max(kInitialWidth, kInitialHeight) because during the test
    // the width and height of the frame are swapped
    cfg_.g_forced_max_frame_width = cfg_.g_forced_max_frame_height =
        AOMMAX(kInitialWidth, kInitialHeight);
  }

  std::vector<FrameInfo> frame_info_list_;
  int set_cpu_used_;
  bool change_bitrate_;
  double mismatch_psnr_;
  int mismatch_nframes_;
};

TEST_P(ResizeRealtimeTest, TestExternalResizeWorks) {
  ResizingVideoSource video;
  video.flag_codec_ = 1;
  DefaultConfig();
  change_bitrate_ = false;
  mismatch_psnr_ = 0.0;
  mismatch_nframes_ = 0;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

  // Check we decoded the same number of frames as we attempted to encode
  ASSERT_EQ(frame_info_list_.size(), video.limit());

  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
       info != frame_info_list_.end(); ++info) {
    const unsigned int frame = static_cast<unsigned>(info->pts);
    unsigned int expected_w;
    unsigned int expected_h;
    ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, &expected_w,
                        &expected_h, 1);
    EXPECT_EQ(expected_w, info->w)
        << "Frame " << frame << " had unexpected width";
    EXPECT_EQ(expected_h, info->h)
        << "Frame " << frame << " had unexpected height";
    EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
  }
}

// Verify the dynamic resizer behavior for real time, 1 pass CBR mode.
// Run at low bitrate, with resize_allowed = 1, and verify that we get
// one resize down event.
TEST_P(ResizeRealtimeTest, DISABLED_TestInternalResizeDown) {
  ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                       30, 1, 0, 299);
  DefaultConfig();
  cfg_.g_w = 352;
  cfg_.g_h = 288;
  change_bitrate_ = false;
  mismatch_psnr_ = 0.0;
  mismatch_nframes_ = 0;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

  unsigned int last_w = cfg_.g_w;
  unsigned int last_h = cfg_.g_h;
  int resize_count = 0;
  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
       info != frame_info_list_.end(); ++info) {
    if (info->w != last_w || info->h != last_h) {
      // Verify that resize down occurs.
      ASSERT_LT(info->w, last_w);
      ASSERT_LT(info->h, last_h);
      last_w = info->w;
      last_h = info->h;
      resize_count++;
    }
  }

#if CONFIG_AV1_DECODER
  // Verify that we get 1 resize down event in this test.
  ASSERT_EQ(1, resize_count) << "Resizing should occur.";
  EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
#else
  printf("Warning: AV1 decoder unavailable, unable to check resize count!\n");
#endif
}

// Verify the dynamic resizer behavior for real time, 1 pass CBR mode.
// Start at low target bitrate, raise the bitrate in the middle of the clip,
// scaling-up should occur after bitrate changed.
TEST_P(ResizeRealtimeTest, DISABLED_TestInternalResizeDownUpChangeBitRate) {
  ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                       30, 1, 0, 359);
  DefaultConfig();
  cfg_.g_w = 352;
  cfg_.g_h = 288;
  change_bitrate_ = true;
  mismatch_psnr_ = 0.0;
  mismatch_nframes_ = 0;
  // Disable dropped frames.
  cfg_.rc_dropframe_thresh = 0;
  // Starting bitrate low.
  cfg_.rc_target_bitrate = 80;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

  unsigned int last_w = cfg_.g_w;
  unsigned int last_h = cfg_.g_h;
  int resize_count = 0;
  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
       info != frame_info_list_.end(); ++info) {
    if (info->w != last_w || info->h != last_h) {
      resize_count++;
      if (resize_count == 1) {
        // Verify that resize down occurs.
        ASSERT_LT(info->w, last_w);
        ASSERT_LT(info->h, last_h);
      } else if (resize_count == 2) {
        // Verify that resize up occurs.
        ASSERT_GT(info->w, last_w);
        ASSERT_GT(info->h, last_h);
      }
      last_w = info->w;
      last_h = info->h;
    }
  }

#if CONFIG_AV1_DECODER
  // Verify that we get 2 resize events in this test.
  ASSERT_EQ(resize_count, 2) << "Resizing should occur twice.";
  EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
#else
  printf("Warning: AV1 decoder unavailable, unable to check resize count!\n");
#endif
}

class ResizeCspTest : public ResizeTest {
 protected:
#if WRITE_COMPRESSED_STREAM
  ResizeCspTest()
      : ResizeTest(), frame0_psnr_(0.0), outfile_(NULL), out_frames_(0) {}
#else
  ResizeCspTest() : ResizeTest(), frame0_psnr_(0.0) {}
#endif

  virtual ~ResizeCspTest() {}

  virtual void BeginPassHook(unsigned int /*pass*/) {
#if WRITE_COMPRESSED_STREAM
    outfile_ = fopen("av11-2-05-cspchape.ivf", "wb");
#endif
  }

  virtual void EndPassHook() {
#if WRITE_COMPRESSED_STREAM
    if (outfile_) {
      if (!fseek(outfile_, 0, SEEK_SET))
        write_ivf_file_header(&cfg_, out_frames_, outfile_);
      fclose(outfile_);
      outfile_ = NULL;
    }
#endif
  }

  virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
    if (frame0_psnr_ == 0.) frame0_psnr_ = pkt->data.psnr.psnr[0];
    EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 2.0);
  }

#if WRITE_COMPRESSED_STREAM
  virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
    ++out_frames_;

    // Write initial file header if first frame.
    if (pkt->data.frame.pts == 0) write_ivf_file_header(&cfg_, 0, outfile_);

    // Write frame header and data.
    write_ivf_frame_header(pkt, outfile_);
    (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_);
  }
#endif

  double frame0_psnr_;
#if WRITE_COMPRESSED_STREAM
  FILE *outfile_;
  unsigned int out_frames_;
#endif
};

class ResizingCspVideoSource : public ::libaom_test::DummyVideoSource {
 public:
  explicit ResizingCspVideoSource(aom_img_fmt_t image_format) {
    SetSize(kInitialWidth, kInitialHeight);
    SetImageFormat(image_format);
    limit_ = 30;
  }

  virtual ~ResizingCspVideoSource() {}
};

#if (defined(DISABLE_TRELLISQ_SEARCH) && DISABLE_TRELLISQ_SEARCH)
TEST_P(ResizeCspTest, DISABLED_TestResizeCspWorks) {
#else
TEST_P(ResizeCspTest, TestResizeCspWorks) {
#endif
  const aom_img_fmt_t image_formats[] = { AOM_IMG_FMT_I420, AOM_IMG_FMT_I444 };
  for (size_t i = 0; i < GTEST_ARRAY_SIZE_(image_formats); ++i) {
    ResizingCspVideoSource video(image_formats[i]);
    init_flags_ = AOM_CODEC_USE_PSNR;
    cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48;
    cfg_.g_lag_in_frames = 0;
    cfg_.g_profile = (image_formats[i] == AOM_IMG_FMT_I420) ? 0 : 1;
    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

    // Check we decoded the same number of frames as we attempted to encode
    ASSERT_EQ(frame_info_list_.size(), video.limit());
    frame_info_list_.clear();
  }
}

AV1_INSTANTIATE_TEST_CASE(ResizeTest,
                          ::testing::Values(::libaom_test::kRealTime));
AV1_INSTANTIATE_TEST_CASE(ResizeInternalTestLarge,
                          ::testing::Values(::libaom_test::kOnePassGood));
AV1_INSTANTIATE_TEST_CASE(ResizeRealtimeTest,
                          ::testing::Values(::libaom_test::kRealTime),
                          ::testing::Range(5, 9));
AV1_INSTANTIATE_TEST_CASE(ResizeCspTest,
                          ::testing::Values(::libaom_test::kRealTime));
}  // namespace