1 files changed, 188 insertions, 0 deletions
diff --git a/third_party/aom/test/level_test.cc b/third_party/aom/test/level_test.cc
new file mode 100644
index 0000000000..a7c26d2305
--- /dev/null
+++ b/third_party/aom/test/level_test.cc
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2019, 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 <string>
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+#include "test/y4m_video_source.h"
+#include "test/yuv_video_source.h"
+
+namespace {
+const int kLevelMin = 0;
+const int kLevelMax = 31;
+const int kLevelKeepStats = 32;
+// Speed settings tested
+static const int kCpuUsedVectors[] = {
+  1,
+  2,
+  3,
+  4,
+};
+
+class LevelTest
+    : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  LevelTest()
+      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+        cpu_used_(GET_PARAM(2)), target_level_(31) {}
+
+  ~LevelTest() override = default;
+
+  void SetUp() override {
+    InitializeConfig(encoding_mode_);
+    if (encoding_mode_ != ::libaom_test::kRealTime) {
+      cfg_.g_lag_in_frames = 5;
+    } else {
+      cfg_.rc_buf_sz = 1000;
+      cfg_.rc_buf_initial_sz = 500;
+      cfg_.rc_buf_optimal_sz = 600;
+    }
+  }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    if (video->frame() == 0) {
+      encoder->Control(AOME_SET_CPUUSED, cpu_used_);
+      encoder->Control(AV1E_SET_TARGET_SEQ_LEVEL_IDX, target_level_);
+      if (encoding_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 num_operating_points;
+    encoder->Control(AV1E_GET_NUM_OPERATING_POINTS, &num_operating_points);
+    ASSERT_EQ(num_operating_points, 1);
+    encoder->Control(AV1E_GET_SEQ_LEVEL_IDX, level_);
+    ASSERT_LE(level_[0], kLevelMax);
+    ASSERT_GE(level_[0], kLevelMin);
+  }
+
+  libaom_test::TestMode encoding_mode_;
+  int cpu_used_;
+  int target_level_;
+  int level_[32];
+};
+
+TEST(LevelTest, TestTargetLevelApi) {
+  aom_codec_iface_t *codec = aom_codec_av1_cx();
+  aom_codec_ctx_t enc;
+  aom_codec_enc_cfg_t cfg;
+  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(codec, &cfg, 0));
+  EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, codec, &cfg, 0));
+  for (int operating_point = 0; operating_point <= 32; ++operating_point) {
+    for (int level = 0; level <= 32; ++level) {
+      const int target_level = operating_point * 100 + level;
+      if (operating_point <= 31 &&
+          ((level < (CONFIG_CWG_C013 ? 28 : 20) && level != 2 && level != 3 &&
+            level != 6 && level != 7 && level != 10 && level != 11) ||
+           level == kLevelMax || level == kLevelKeepStats)) {
+        EXPECT_EQ(AOM_CODEC_OK,
+                  AOM_CODEC_CONTROL_TYPECHECKED(
+                      &enc, AV1E_SET_TARGET_SEQ_LEVEL_IDX, target_level));
+      } else {
+        EXPECT_EQ(AOM_CODEC_INVALID_PARAM,
+                  AOM_CODEC_CONTROL_TYPECHECKED(
+                      &enc, AV1E_SET_TARGET_SEQ_LEVEL_IDX, target_level));
+      }
+    }
+  }
+  EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
+}
+
+TEST(LevelTest, InvalidOperatingPointIndexErrorDetail) {
+  aom_codec_iface_t *codec = aom_codec_av1_cx();
+  aom_codec_ctx_t enc;
+  aom_codec_enc_cfg_t cfg;
+  EXPECT_EQ(aom_codec_enc_config_default(codec, &cfg, 0), AOM_CODEC_OK);
+  EXPECT_EQ(aom_codec_enc_init(&enc, codec, &cfg, 0), AOM_CODEC_OK);
+  EXPECT_EQ(aom_codec_control(&enc, AV1E_SET_TARGET_SEQ_LEVEL_IDX, 3219),
+            AOM_CODEC_INVALID_PARAM);
+  EXPECT_EQ(aom_codec_error_detail(&enc),
+            std::string("Invalid operating point index: 32"));
+  EXPECT_EQ(aom_codec_set_option(&enc, "target-seq-level-idx", "3319"),
+            AOM_CODEC_INVALID_PARAM);
+  EXPECT_EQ(aom_codec_error_detail(&enc),
+            std::string("Invalid operating point index: 33"));
+  EXPECT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
+}
+
+TEST_P(LevelTest, TestTargetLevel19) {
+  std::unique_ptr<libaom_test::VideoSource> video;
+  video.reset(new libaom_test::Y4mVideoSource("park_joy_90p_8_420.y4m", 0, 10));
+  ASSERT_NE(video, nullptr);
+  // Level index 19 corresponding to level 6.3.
+  target_level_ = 19;
+  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
+}
+
+TEST_P(LevelTest, TestLevelMonitoringLowBitrate) {
+  // To save run time, we only test speed 4.
+  if (cpu_used_ == 4) {
+    libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 40);
+    target_level_ = kLevelKeepStats;
+    cfg_.rc_target_bitrate = 1000;
+    cfg_.g_limit = 40;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    ASSERT_EQ(level_[0], 0);
+  }
+}
+
+TEST_P(LevelTest, TestLevelMonitoringHighBitrate) {
+  // To save run time, we only test speed 4.
+  if (cpu_used_ == 4) {
+    libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 40);
+    target_level_ = kLevelKeepStats;
+    cfg_.rc_target_bitrate = 4000;
+    cfg_.g_limit = 40;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    ASSERT_EQ(level_[0], 4);
+  }
+}
+
+TEST_P(LevelTest, TestTargetLevel0) {
+  // To save run time, we only test speed 4.
+  if (cpu_used_ == 4) {
+    libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 50);
+    const int target_level = 0;
+    target_level_ = target_level;
+    cfg_.rc_target_bitrate = 4000;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    ASSERT_EQ(level_[0], target_level);
+  }
+}
+
+TEST_P(LevelTest, TestTargetLevelRecode) {
+  if (cpu_used_ == 4 && encoding_mode_ == ::libaom_test::kTwoPassGood) {
+    libaom_test::I420VideoSource video("rand_noise_w1280h720.yuv", 1280, 720,
+                                       25, 1, 0, 10);
+    const int target_level = 0005;
+    target_level_ = target_level;
+    cfg_.rc_target_bitrate = 5000;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  }
+}
+
+AV1_INSTANTIATE_TEST_SUITE(LevelTest,
+                           ::testing::Values(::libaom_test::kTwoPassGood,
+                                             ::libaom_test::kOnePassGood),
+                           ::testing::ValuesIn(kCpuUsedVectors));
+}  // namespace