text: /*
   *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #include <vector>
  
  #include "api/test/create_videocodec_test_fixture.h"
  #include "media/base/mediaconstants.h"
  #include "modules/video_coding/codecs/test/videocodec_test_fixture_impl.h"
  #include "test/gtest.h"
  #include "test/testsupport/fileutils.h"
  
  namespace webrtc {
  namespace test {
  
  namespace {
  // Codec settings.
  const int kCifWidth = 352;
  const int kCifHeight = 288;
  const int kNumFrames = 100;
  
  TestConfig CreateTestConfig() {
    TestConfig config;
    config.filename = "foreman_cif";
    config.filepath = ResourcePath(config.filename, "yuv");
    config.num_frames = kNumFrames;
    // Only allow encoder/decoder to use single core, for predictability.
    config.use_single_core = true;
    config.hw_encoder = false;
    config.hw_decoder = false;
    return config;
  }
  }  // namespace
  
  TEST(VideoCodecTestOpenH264, ConstantHighBitrate) {
    auto frame_checker = rtc::MakeUnique<
        VideoCodecTestFixtureImpl::H264KeyframeChecker>();
    auto config = CreateTestConfig();
    config.SetCodecSettings(cricket::kH264CodecName, 1, 1, 1, false, true, false,
                            kCifWidth, kCifHeight);
    config.encoded_frame_checker = frame_checker.get();
    auto fixture = CreateVideoCodecTestFixture(config);
  
    std::vector<RateProfile> rate_profiles = {{500, 30, kNumFrames}};
  
    std::vector<RateControlThresholds> rc_thresholds = {
        {5, 1, 0, 0.1, 0.2, 0.1, 0, 1}};
  
    std::vector<QualityThresholds> quality_thresholds = {{37, 35, 0.93, 0.91}};
  
    fixture->RunTest(rate_profiles, &rc_thresholds, &quality_thresholds, nullptr,
                     nullptr);
  }
  
  // H264: Enable SingleNalUnit packetization mode. Encoder should split
  // large frames into multiple slices and limit length of NAL units.
  TEST(VideoCodecTestOpenH264, SingleNalUnit) {
    auto frame_checker = rtc::MakeUnique<
        VideoCodecTestFixtureImpl::H264KeyframeChecker>();
    auto config = CreateTestConfig();
    config.h264_codec_settings.packetization_mode =
        H264PacketizationMode::SingleNalUnit;
    config.max_payload_size_bytes = 500;
    config.SetCodecSettings(cricket::kH264CodecName, 1, 1, 1, false, true, false,
                            kCifWidth, kCifHeight);
    config.encoded_frame_checker = frame_checker.get();
    auto fixture = CreateVideoCodecTestFixture(config);
  
    std::vector<RateProfile> rate_profiles = {{500, 30, kNumFrames}};
  
    std::vector<RateControlThresholds> rc_thresholds = {
        {5, 1, 0, 0.1, 0.2, 0.1, 0, 1}};
  
    std::vector<QualityThresholds> quality_thresholds = {{37, 35, 0.93, 0.91}};
  
    BitstreamThresholds bs_thresholds = {config.max_payload_size_bytes};
  
    fixture->RunTest(rate_profiles, &rc_thresholds, &quality_thresholds,
                     &bs_thresholds, nullptr);
  }
  
  }  // namespace test
  }  // namespace webrtc
  