summaryrefslogtreecommitdiffstats
path: root/third_party/aom/test/arf_freq_test.cc
blob: f51444da4d580e4bc319f9728f470121fdeebd08 (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
/*
 * 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 <memory>

#include "third_party/googletest/src/googletest/include/gtest/gtest.h"

#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/y4m_video_source.h"
#include "test/yuv_video_source.h"
#include "av1/encoder/ratectrl.h"

namespace {

const unsigned int kFrames = 100;
const int kBitrate = 500;

#define ARF_NOT_SEEN 1000001
#define ARF_SEEN_ONCE 1000000

typedef struct {
  const char *filename;
  unsigned int width;
  unsigned int height;
  unsigned int framerate_num;
  unsigned int framerate_den;
  unsigned int input_bit_depth;
  aom_img_fmt fmt;
  aom_bit_depth_t bit_depth;
  unsigned int profile;
} TestVideoParam;

typedef struct {
  libaom_test::TestMode mode;
  int cpu_used;
} TestEncodeParam;

const TestVideoParam kTestVectors[] = {
  // artificially increase framerate to trigger default check
  { "hantro_collage_w352h288.yuv", 352, 288, 5000, 1, 8, AOM_IMG_FMT_I420,
    AOM_BITS_8, 0 },
  { "hantro_collage_w352h288.yuv", 352, 288, 30, 1, 8, AOM_IMG_FMT_I420,
    AOM_BITS_8, 0 },
  { "rush_hour_444.y4m", 352, 288, 30, 1, 8, AOM_IMG_FMT_I444, AOM_BITS_8, 1 },
  // Add list of profile 2/3 test videos here ...
};

const TestEncodeParam kEncodeVectors[] = {
#if CONFIG_REALTIME_ONLY
  { ::libaom_test::kRealTime, 5 },
#else
  { ::libaom_test::kRealTime, 5 },    { ::libaom_test::kOnePassGood, 2 },
  { ::libaom_test::kOnePassGood, 5 }, { ::libaom_test::kTwoPassGood, 1 },
  { ::libaom_test::kTwoPassGood, 2 }, { ::libaom_test::kTwoPassGood, 5 },
#endif
};

const int kMinArfVectors[] = {
  // NOTE: 0 refers to the default built-in logic in:
  //       av1_rc_get_default_min_gf_interval(...)
  0, 4, 8, 12, 15
};

class ArfFreqTestLarge
    : public ::libaom_test::CodecTestWith3Params<TestVideoParam,
                                                 TestEncodeParam, int>,
      public ::libaom_test::EncoderTest {
 protected:
  ArfFreqTestLarge()
      : EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)),
        test_encode_param_(GET_PARAM(2)), min_arf_requested_(GET_PARAM(3)) {}

  ~ArfFreqTestLarge() override = default;

  void SetUp() override {
    InitializeConfig(test_encode_param_.mode);
    if (test_encode_param_.mode != ::libaom_test::kRealTime) {
      cfg_.g_lag_in_frames = 25;
    } else {
      cfg_.rc_buf_sz = 1000;
      cfg_.rc_buf_initial_sz = 500;
      cfg_.rc_buf_optimal_sz = 600;
    }
  }

  void BeginPassHook(unsigned int) override {
    min_run_ = ARF_NOT_SEEN;
    run_of_visible_frames_ = 0;
  }

  int GetNumFramesInPkt(const aom_codec_cx_pkt_t *pkt) {
    const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
    const uint8_t marker = buffer[pkt->data.frame.sz - 1];
    const int mag = ((marker >> 3) & 3) + 1;
    int frames = (marker & 0x7) + 1;
    const unsigned int index_sz = 2 + mag * frames;
    // Check for superframe or not.
    // Assume superframe has only one visible frame, the rest being
    // invisible. If superframe index is not found, then there is only
    // one frame.
    if (!((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
          buffer[pkt->data.frame.sz - index_sz] == marker)) {
      frames = 1;
    }
    return frames;
  }

  void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return;
    const int frames = GetNumFramesInPkt(pkt);
    if (frames == 1) {
      run_of_visible_frames_++;
    } else if (frames == 2) {
      if (min_run_ == ARF_NOT_SEEN) {
        min_run_ = ARF_SEEN_ONCE;
      } else if (min_run_ == ARF_SEEN_ONCE ||
                 run_of_visible_frames_ < min_run_) {
        min_run_ = run_of_visible_frames_;
      }
      run_of_visible_frames_ = 1;
    } else {
      min_run_ = 0;
      run_of_visible_frames_ = 1;
    }
  }

  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
                          ::libaom_test::Encoder *encoder) override {
    if (video->frame() == 0) {
      encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
      encoder->Control(AV1E_SET_TILE_COLUMNS, 4);
      encoder->Control(AOME_SET_CPUUSED, test_encode_param_.cpu_used);
      encoder->Control(AV1E_SET_MIN_GF_INTERVAL, min_arf_requested_);
      if (test_encode_param_.mode != ::libaom_test::kRealTime) {
        encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
        encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
        encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
      }
    }
  }

  int GetMinVisibleRun() const { return min_run_; }

  int GetMinArfDistanceRequested() const {
    if (min_arf_requested_)
      return min_arf_requested_;
    else
      return av1_rc_get_default_min_gf_interval(
          test_video_param_.width, test_video_param_.height,
          (double)test_video_param_.framerate_num /
              test_video_param_.framerate_den);
  }

  TestVideoParam test_video_param_;
  TestEncodeParam test_encode_param_;

 private:
  int min_arf_requested_;
  int min_run_;
  int run_of_visible_frames_;
};

TEST_P(ArfFreqTestLarge, MinArfFreqTest) {
  cfg_.rc_target_bitrate = kBitrate;
  cfg_.g_error_resilient = 0;
  cfg_.g_profile = test_video_param_.profile;
  cfg_.g_input_bit_depth = test_video_param_.input_bit_depth;
  cfg_.g_bit_depth = test_video_param_.bit_depth;
  init_flags_ = AOM_CODEC_USE_PSNR;
  if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;

  std::unique_ptr<libaom_test::VideoSource> video;
  if (is_extension_y4m(test_video_param_.filename)) {
    video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
                                                kFrames));
  } else {
    video.reset(new libaom_test::YUVVideoSource(
        test_video_param_.filename, test_video_param_.fmt,
        test_video_param_.width, test_video_param_.height,
        test_video_param_.framerate_num, test_video_param_.framerate_den, 0,
        kFrames));
  }
  ASSERT_NE(video, nullptr);

  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
  const int min_run = GetMinVisibleRun();
  const int min_arf_dist_requested = GetMinArfDistanceRequested();
  if (min_run != ARF_NOT_SEEN && min_run != ARF_SEEN_ONCE) {
    const int min_arf_dist = min_run + 1;
    EXPECT_GE(min_arf_dist, min_arf_dist_requested);
  }
}

#if CONFIG_AV1_ENCODER
// TODO(angiebird): 25-29 fail in high bitdepth mode.
// TODO(zoeliu): This ArfFreqTest does not work with BWDREF_FRAME, as
// BWDREF_FRAME is also a non-show frame, and the minimum run between two
// consecutive BWDREF_FRAME's may vary between 1 and any arbitrary positive
// number as long as it does not exceed the gf_group interval.
INSTANTIATE_TEST_SUITE_P(
    DISABLED_AV1, ArfFreqTestLarge,
    ::testing::Combine(
        ::testing::Values(
            static_cast<const libaom_test::CodecFactory *>(&libaom_test::kAV1)),
        ::testing::ValuesIn(kTestVectors), ::testing::ValuesIn(kEncodeVectors),
        ::testing::ValuesIn(kMinArfVectors)));
#endif  // CONFIG_AV1_ENCODER
}  // namespace