1 files changed, 129 insertions, 0 deletions
diff --git a/third_party/aom/test/cpu_used_firstpass_test.cc b/third_party/aom/test/cpu_used_firstpass_test.cc
new file mode 100644
index 0000000000..53db8b0d13
--- /dev/null
+++ b/third_party/aom/test/cpu_used_firstpass_test.cc
@@ -0,0 +1,129 @@
+/*
+ * 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 <cstdlib>
+
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+
+namespace {
+
+const double kPsnrDiffThreshold = 0.1;
+
+// Params: first pass cpu used, second pass cpu used
+class CpuUsedFirstpassTest
+    : public ::libaom_test::CodecTestWith2Params<int, int>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  CpuUsedFirstpassTest()
+      : EncoderTest(GET_PARAM(0)), second_pass_cpu_used_(GET_PARAM(2)) {}
+  ~CpuUsedFirstpassTest() override = default;
+
+  void SetUp() override {
+    InitializeConfig(::libaom_test::kTwoPassGood);
+    const aom_rational timebase = { 1, 30 };
+    cfg_.g_timebase = timebase;
+    cfg_.rc_end_usage = AOM_VBR;
+    cfg_.rc_target_bitrate = 1000;
+    cfg_.g_lag_in_frames = 19;
+    cfg_.g_threads = 0;
+    init_flags_ = AOM_CODEC_USE_PSNR;
+  }
+
+  void BeginPassHook(unsigned int pass) override {
+    psnr_ = 0.0;
+    nframes_ = 0;
+
+    if (pass == 0)
+      cpu_used_ = first_pass_cpu_used_;
+    else
+      cpu_used_ = second_pass_cpu_used_;
+  }
+
+  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_ENABLEAUTOALTREF, 1);
+      encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
+      encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
+    }
+  }
+
+  double GetAveragePsnr() const {
+    if (nframes_) return psnr_ / nframes_;
+    return 0.0;
+  }
+
+  double GetPsnrDiffThreshold() { return kPsnrDiffThreshold; }
+
+  void DoTest() {
+    libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480,
+                                       cfg_.g_timebase.den, cfg_.g_timebase.num,
+                                       0, 30);
+    double ref_psnr;
+    double psnr_diff;
+
+    first_pass_cpu_used_ = second_pass_cpu_used_;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));  // same preset case ref_psnr
+    ref_psnr = GetAveragePsnr();
+
+    first_pass_cpu_used_ = GET_PARAM(1);
+    if (first_pass_cpu_used_ == second_pass_cpu_used_) return;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    psnr_diff = std::abs(ref_psnr - GetAveragePsnr());
+    EXPECT_LT(psnr_diff, GetPsnrDiffThreshold())
+        << "first pass cpu used = " << first_pass_cpu_used_
+        << ", second pass cpu used = " << second_pass_cpu_used_;
+  }
+
+  int cpu_used_;
+  int first_pass_cpu_used_;
+  int second_pass_cpu_used_;
+  unsigned int nframes_;
+  double psnr_;
+};
+
+TEST_P(CpuUsedFirstpassTest, FirstPassTest) { DoTest(); }
+
+class CpuUsedFirstpassTestLarge : public CpuUsedFirstpassTest {};
+
+TEST_P(CpuUsedFirstpassTestLarge, FirstPassTest) { DoTest(); }
+
+#if defined(__has_feature)
+#if __has_feature(memory_sanitizer)
+static const int kSecondPassCpuUsedLarge[] = { 2, 4 };
+static const int kSecondPassCpuUsed[] = { 6 };
+#else
+static const int kSecondPassCpuUsedLarge[] = { 2 };
+static const int kSecondPassCpuUsed[] = { 4, 6 };
+#endif
+#else
+static const int kSecondPassCpuUsedLarge[] = { 2 };
+static const int kSecondPassCpuUsed[] = { 4, 6 };
+#endif
+
+AV1_INSTANTIATE_TEST_SUITE(
+    CpuUsedFirstpassTestLarge, ::testing::Values(2, 4, 6),
+    ::testing::ValuesIn(kSecondPassCpuUsedLarge));  // cpu_used
+
+AV1_INSTANTIATE_TEST_SUITE(
+    CpuUsedFirstpassTest, ::testing::Values(2, 4, 6),
+    ::testing::ValuesIn(kSecondPassCpuUsed));  // cpu_used
+
+}  // namespace