1 files changed, 147 insertions, 0 deletions
diff --git a/third_party/aom/test/sb_qp_sweep_test.cc b/third_party/aom/test/sb_qp_sweep_test.cc
new file mode 100644
index 0000000000..6c76a40b2a
--- /dev/null
+++ b/third_party/aom/test/sb_qp_sweep_test.cc
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2022, 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 <initializer_list>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/md5_helper.h"
+#include "test/util.h"
+#include "test/yuv_video_source.h"
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+namespace {
+
+// Parameters: cpu-used, row-mt.
+class AV1SBQPSweepTest : public ::libaom_test::CodecTestWith2Params<int, bool>,
+                         public ::libaom_test::EncoderTest {
+ protected:
+  AV1SBQPSweepTest()
+      : EncoderTest(GET_PARAM(0)), set_cpu_used_(GET_PARAM(1)),
+        row_mt_(GET_PARAM(2)) {
+    init_flags_ = AOM_CODEC_USE_PSNR;
+    aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
+    cfg.w = 1280;
+    cfg.h = 720;
+    cfg.allow_lowbitdepth = 1;
+    decoder_ =
+        std::unique_ptr<::libaom_test::Decoder>(codec_->CreateDecoder(cfg, 0));
+  }
+  ~AV1SBQPSweepTest() override = default;
+
+  void SetUp() override {
+    InitializeConfig(::libaom_test::kTwoPassGood);
+
+    ASSERT_NE(decoder_, nullptr);
+    if (decoder_->IsAV1()) {
+      decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+      decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
+    }
+
+    cfg_.g_lag_in_frames = 5;
+    cfg_.rc_end_usage = AOM_Q;
+  }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    if (video->frame() == 0) {
+      SetTileSize(encoder);
+      encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+      encoder->Control(AV1E_ENABLE_SB_QP_SWEEP, use_sb_sweep_);
+      encoder->Control(AV1E_SET_ROW_MT, row_mt_);
+
+      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
+      encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
+      encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
+    }
+  }
+
+  virtual void SetTileSize(libaom_test::Encoder *encoder) {
+    encoder->Control(AV1E_SET_TILE_COLUMNS, 1);
+    encoder->Control(AV1E_SET_TILE_ROWS, 1);
+  }
+
+  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_++;
+  }
+
+  double GetAveragePsnr() const {
+    if (nframes_) return psnr_ / nframes_;
+    return 0.0;
+  }
+
+  double GetAverageFrameSize() const {
+    if (nframes_) return psnr_ / nframes_;
+    return 0.0;
+  }
+
+  void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
+    sum_frame_size_ += pkt->data.frame.sz;
+
+    const aom_codec_err_t res = decoder_->DecodeFrame(
+        reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);
+    if (res != AOM_CODEC_OK) {
+      abort_ = true;
+      ASSERT_EQ(AOM_CODEC_OK, res);
+    }
+  }
+
+  void DoTest() {
+    ::libaom_test::YUVVideoSource video(
+        "niklas_640_480_30.yuv", AOM_IMG_FMT_I420, 640, 480, 30, 1, 0, 6);
+    cfg_.rc_target_bitrate = 1000;
+
+    // Encode without sb_qp_sweep
+    use_sb_sweep_ = false;
+    sum_frame_size_ = 0;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    const double psnr_1 = GetAveragePsnr();
+    const size_t avg_frame_size_1 = sum_frame_size_ / nframes_;
+
+    // Encode with sb_qp_sweep
+    use_sb_sweep_ = true;
+    sum_frame_size_ = 0;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    const double psnr_2 = GetAveragePsnr();
+    const size_t avg_frame_size_2 = sum_frame_size_ / nframes_;
+
+    if (psnr_1 >= psnr_2) {
+      ASSERT_GE(avg_frame_size_1, avg_frame_size_2);
+    }
+    if (avg_frame_size_1 <= avg_frame_size_2) {
+      ASSERT_LE(psnr_1, psnr_2);
+    }
+  }
+
+  bool use_sb_sweep_;
+  int set_cpu_used_;
+  bool row_mt_;
+  double psnr_;
+  unsigned int nframes_;
+  size_t sum_frame_size_;
+  std::unique_ptr<::libaom_test::Decoder> decoder_;
+};
+
+TEST_P(AV1SBQPSweepTest, SweepMatchTest) { DoTest(); }
+
+AV1_INSTANTIATE_TEST_SUITE(AV1SBQPSweepTest, ::testing::Range(4, 6),
+                           ::testing::Bool());
+
+}  // namespace