1 files changed, 143 insertions, 0 deletions
diff --git a/third_party/libaom/source/libaom/test/sharpness_test.cc b/third_party/libaom/source/libaom/test/sharpness_test.cc
new file mode 100644
index 0000000000..e74609bd9d
--- /dev/null
+++ b/third_party/libaom/source/libaom/test/sharpness_test.cc
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2021, 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 <unordered_map>
+
+#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"
+
+namespace {
+const unsigned int kFrames = 10;
+const int kBitrate = 500;
+const unsigned int kCqLevel = 18;
+
+// List of psnr thresholds for different test combinations
+// keys: test-mode, cpu-used, sharpness.
+const std::unordered_map<
+    int, std::unordered_map<int, std::unordered_map<int, double>>>
+    kPsnrThreshold = { { static_cast<int>(::libaom_test::kTwoPassGood),
+                         { { 2, { { 2, 37.6 }, { 5, 37.6 } } },
+                           { 4, { { 2, 37.5 }, { 5, 37.5 } } },
+                           { 6, { { 2, 37.5 }, { 5, 37.5 } } } } },
+                       { static_cast<int>(::libaom_test::kAllIntra),
+                         { { 3, { { 2, 42.3 }, { 5, 42.4 } } },
+                           { 6, { { 2, 41.8 }, { 4, 41.9 }, { 5, 41.9 } } },
+                           { 9, { { 2, 41.4 }, { 5, 41.4 } } } } } };
+
+// This class is used to test sharpness parameter configured through control
+// call using AOME_SET_SHARPNESS for different encoder configurations.
+class SharpnessTest
+    : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, int,
+                                                 int>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  SharpnessTest()
+      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+        cpu_used_(GET_PARAM(2)), sharpness_level_(GET_PARAM(3)), psnr_(0.0),
+        nframes_(0) {}
+
+  ~SharpnessTest() override {}
+
+  void SetUp() override {
+    InitializeConfig(encoding_mode_);
+    if (encoding_mode_ == ::libaom_test::kTwoPassGood) {
+      cfg_.rc_target_bitrate = kBitrate;
+      cfg_.g_lag_in_frames = 5;
+    }
+  }
+
+  void BeginPassHook(unsigned int) override {
+    psnr_ = 0.0;
+    nframes_ = 0;
+  }
+
+  void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
+    psnr_ += pkt->data.psnr.psnr[0];
+    nframes_++;
+  }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    if (video->frame() == 0) {
+      encoder->Control(AOME_SET_CPUUSED, cpu_used_);
+      encoder->Control(AOME_SET_SHARPNESS, sharpness_level_);
+      if (encoding_mode_ == ::libaom_test::kTwoPassGood) {
+        encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
+        encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
+        encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
+      } else if (encoding_mode_ == ::libaom_test::kAllIntra) {
+        encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel);
+      }
+    }
+  }
+
+  double GetAveragePsnr() const {
+    if (nframes_) return psnr_ / nframes_;
+    return 0.0;
+  }
+
+  double GetPsnrThreshold() {
+    return kPsnrThreshold.at(encoding_mode_).at(cpu_used_).at(sharpness_level_);
+  }
+
+  void DoTest() {
+    init_flags_ = AOM_CODEC_USE_PSNR;
+
+    std::unique_ptr<libaom_test::VideoSource> video(
+        new libaom_test::Y4mVideoSource("paris_352_288_30.y4m", 0, kFrames));
+    ASSERT_TRUE(video.get() != NULL);
+
+    ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
+    const double psnr = GetAveragePsnr();
+    EXPECT_GT(psnr, GetPsnrThreshold())
+        << "encoding mode = " << encoding_mode_ << ", cpu used = " << cpu_used_
+        << ", sharpness level = " << sharpness_level_;
+  }
+
+ private:
+  const libaom_test::TestMode encoding_mode_;
+  const int cpu_used_;
+  const int sharpness_level_;
+  double psnr_;
+  unsigned int nframes_;
+};
+
+class SharpnessTestLarge : public SharpnessTest {};
+
+class SharpnessAllIntraTest : public SharpnessTest {};
+
+class SharpnessAllIntraTestLarge : public SharpnessTest {};
+
+TEST_P(SharpnessTestLarge, SharpnessPSNRTest) { DoTest(); }
+
+TEST_P(SharpnessAllIntraTest, SharpnessPSNRTest) { DoTest(); }
+
+TEST_P(SharpnessAllIntraTestLarge, SharpnessPSNRTest) { DoTest(); }
+
+AV1_INSTANTIATE_TEST_SUITE(SharpnessTestLarge,
+                           ::testing::Values(::libaom_test::kTwoPassGood),
+                           ::testing::Values(2, 4, 6),  // cpu_used
+                           ::testing::Values(2, 5));    // sharpness level
+
+AV1_INSTANTIATE_TEST_SUITE(SharpnessAllIntraTest,
+                           ::testing::Values(::libaom_test::kAllIntra),
+                           ::testing::Values(6),   // cpu_used
+                           ::testing::Values(4));  // sharpness level
+
+AV1_INSTANTIATE_TEST_SUITE(SharpnessAllIntraTestLarge,
+                           ::testing::Values(::libaom_test::kAllIntra),
+                           ::testing::Values(3, 6, 9),  // cpu_used
+                           ::testing::Values(2, 5));    // sharpness level
+}  // namespace