arf_freq_test.cc (7462B)
1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #include <memory> 13 14 #include "gtest/gtest.h" 15 16 #include "test/codec_factory.h" 17 #include "test/encode_test_driver.h" 18 #include "test/util.h" 19 #include "test/y4m_video_source.h" 20 #include "test/yuv_video_source.h" 21 #include "av1/encoder/ratectrl.h" 22 23 namespace { 24 25 const unsigned int kFrames = 100; 26 const int kBitrate = 500; 27 28 #define ARF_NOT_SEEN 1000001 29 #define ARF_SEEN_ONCE 1000000 30 31 struct TestVideoParam { 32 const char *filename; 33 unsigned int width; 34 unsigned int height; 35 unsigned int framerate_num; 36 unsigned int framerate_den; 37 unsigned int input_bit_depth; 38 aom_img_fmt fmt; 39 aom_bit_depth_t bit_depth; 40 unsigned int profile; 41 }; 42 43 struct TestEncodeParam { 44 libaom_test::TestMode mode; 45 int cpu_used; 46 }; 47 48 const TestVideoParam kTestVectors[] = { 49 // artificially increase framerate to trigger default check 50 { "hantro_collage_w352h288.yuv", 352, 288, 5000, 1, 8, AOM_IMG_FMT_I420, 51 AOM_BITS_8, 0 }, 52 { "hantro_collage_w352h288.yuv", 352, 288, 30, 1, 8, AOM_IMG_FMT_I420, 53 AOM_BITS_8, 0 }, 54 { "rush_hour_444.y4m", 352, 288, 30, 1, 8, AOM_IMG_FMT_I444, AOM_BITS_8, 1 }, 55 // Add list of profile 2/3 test videos here ... 56 }; 57 58 const TestEncodeParam kEncodeVectors[] = { 59 #if CONFIG_REALTIME_ONLY 60 { ::libaom_test::kRealTime, 5 }, 61 #else 62 { ::libaom_test::kRealTime, 5 }, { ::libaom_test::kOnePassGood, 2 }, 63 { ::libaom_test::kOnePassGood, 5 }, { ::libaom_test::kTwoPassGood, 1 }, 64 { ::libaom_test::kTwoPassGood, 2 }, { ::libaom_test::kTwoPassGood, 5 }, 65 #endif 66 }; 67 68 const int kMinArfVectors[] = { 69 // NOTE: 0 refers to the default built-in logic in: 70 // av1_rc_get_default_min_gf_interval(...) 71 0, 4, 8, 12, 15 72 }; 73 74 class ArfFreqTestLarge 75 : public ::libaom_test::CodecTestWith3Params<TestVideoParam, 76 TestEncodeParam, int>, 77 public ::libaom_test::EncoderTest { 78 protected: 79 ArfFreqTestLarge() 80 : EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)), 81 test_encode_param_(GET_PARAM(2)), min_arf_requested_(GET_PARAM(3)) {} 82 83 ~ArfFreqTestLarge() override = default; 84 85 void SetUp() override { 86 InitializeConfig(test_encode_param_.mode); 87 if (test_encode_param_.mode != ::libaom_test::kRealTime) { 88 cfg_.g_lag_in_frames = 25; 89 } else { 90 cfg_.rc_buf_sz = 1000; 91 cfg_.rc_buf_initial_sz = 500; 92 cfg_.rc_buf_optimal_sz = 600; 93 } 94 } 95 96 void BeginPassHook(unsigned int) override { 97 min_run_ = ARF_NOT_SEEN; 98 run_of_visible_frames_ = 0; 99 } 100 101 int GetNumFramesInPkt(const aom_codec_cx_pkt_t *pkt) { 102 const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf); 103 const uint8_t marker = buffer[pkt->data.frame.sz - 1]; 104 const int mag = ((marker >> 3) & 3) + 1; 105 int frames = (marker & 0x7) + 1; 106 const unsigned int index_sz = 2 + mag * frames; 107 // Check for superframe or not. 108 // Assume superframe has only one visible frame, the rest being 109 // invisible. If superframe index is not found, then there is only 110 // one frame. 111 if (!((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz && 112 buffer[pkt->data.frame.sz - index_sz] == marker)) { 113 frames = 1; 114 } 115 return frames; 116 } 117 118 void FramePktHook(const aom_codec_cx_pkt_t *pkt) override { 119 if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return; 120 const int frames = GetNumFramesInPkt(pkt); 121 if (frames == 1) { 122 run_of_visible_frames_++; 123 } else if (frames == 2) { 124 if (min_run_ == ARF_NOT_SEEN) { 125 min_run_ = ARF_SEEN_ONCE; 126 } else if (min_run_ == ARF_SEEN_ONCE || 127 run_of_visible_frames_ < min_run_) { 128 min_run_ = run_of_visible_frames_; 129 } 130 run_of_visible_frames_ = 1; 131 } else { 132 min_run_ = 0; 133 run_of_visible_frames_ = 1; 134 } 135 } 136 137 void PreEncodeFrameHook(::libaom_test::VideoSource *video, 138 ::libaom_test::Encoder *encoder) override { 139 if (video->frame() == 0) { 140 encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1); 141 encoder->Control(AV1E_SET_TILE_COLUMNS, 4); 142 encoder->Control(AOME_SET_CPUUSED, test_encode_param_.cpu_used); 143 encoder->Control(AV1E_SET_MIN_GF_INTERVAL, min_arf_requested_); 144 if (test_encode_param_.mode != ::libaom_test::kRealTime) { 145 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1); 146 encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7); 147 encoder->Control(AOME_SET_ARNR_STRENGTH, 5); 148 } 149 } 150 } 151 152 int GetMinVisibleRun() const { return min_run_; } 153 154 int GetMinArfDistanceRequested() const { 155 if (min_arf_requested_) 156 return min_arf_requested_; 157 else 158 return av1_rc_get_default_min_gf_interval( 159 test_video_param_.width, test_video_param_.height, 160 (double)test_video_param_.framerate_num / 161 test_video_param_.framerate_den); 162 } 163 164 TestVideoParam test_video_param_; 165 TestEncodeParam test_encode_param_; 166 167 private: 168 int min_arf_requested_; 169 int min_run_; 170 int run_of_visible_frames_; 171 }; 172 173 TEST_P(ArfFreqTestLarge, MinArfFreqTest) { 174 cfg_.rc_target_bitrate = kBitrate; 175 cfg_.g_error_resilient = 0; 176 cfg_.g_profile = test_video_param_.profile; 177 cfg_.g_input_bit_depth = test_video_param_.input_bit_depth; 178 cfg_.g_bit_depth = test_video_param_.bit_depth; 179 init_flags_ = AOM_CODEC_USE_PSNR; 180 if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH; 181 182 std::unique_ptr<libaom_test::VideoSource> video; 183 if (is_extension_y4m(test_video_param_.filename)) { 184 video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0, 185 kFrames)); 186 } else { 187 video.reset(new libaom_test::YUVVideoSource( 188 test_video_param_.filename, test_video_param_.fmt, 189 test_video_param_.width, test_video_param_.height, 190 test_video_param_.framerate_num, test_video_param_.framerate_den, 0, 191 kFrames)); 192 } 193 ASSERT_NE(video, nullptr); 194 195 ASSERT_NO_FATAL_FAILURE(RunLoop(video.get())); 196 const int min_run = GetMinVisibleRun(); 197 const int min_arf_dist_requested = GetMinArfDistanceRequested(); 198 if (min_run != ARF_NOT_SEEN && min_run != ARF_SEEN_ONCE) { 199 const int min_arf_dist = min_run + 1; 200 EXPECT_GE(min_arf_dist, min_arf_dist_requested); 201 } 202 } 203 204 #if CONFIG_AV1_ENCODER 205 // TODO(angiebird): 25-29 fail in high bitdepth mode. 206 // TODO(zoeliu): This ArfFreqTest does not work with BWDREF_FRAME, as 207 // BWDREF_FRAME is also a non-show frame, and the minimum run between two 208 // consecutive BWDREF_FRAME's may vary between 1 and any arbitrary positive 209 // number as long as it does not exceed the gf_group interval. 210 INSTANTIATE_TEST_SUITE_P( 211 DISABLED_AV1, ArfFreqTestLarge, 212 ::testing::Combine( 213 ::testing::Values( 214 static_cast<const libaom_test::CodecFactory *>(&libaom_test::kAV1)), 215 ::testing::ValuesIn(kTestVectors), ::testing::ValuesIn(kEncodeVectors), 216 ::testing::ValuesIn(kMinArfVectors))); 217 #endif // CONFIG_AV1_ENCODER 218 } // namespace