media/remoting/renderer_controller_unittest.cc - chromium/src - Git at Google

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "media/remoting/renderer_controller.h"

 #include <memory>

 #include "base/callback.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "build/build_config.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/cdm_config.h"
 #include "media/base/limits.h"
 #include "media/base/media_util.h"
 #include "media/base/test_helpers.h"
 #include "media/base/video_decoder_config.h"
 #include "media/remoting/fake_remoter.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "testing/gtest/include/gtest/gtest.h"

 namespace media {
 namespace remoting {

 namespace {

 PipelineMetadata DefaultMetadata(VideoCodec codec) {
   PipelineMetadata data;
   data.has_audio = true;
   data.has_video = true;
   data.video_decoder_config = TestVideoConfig::Normal(codec);
   data.audio_decoder_config = TestAudioConfig::Normal();
   data.natural_size = gfx::Size(1920, 1080);
   return data;
 }

 const std::string kDefaultReceiver = "TestingChromeCast";

 mojom::RemotingSinkMetadata GetDefaultSinkMetadata(bool enable) {
   mojom::RemotingSinkMetadata metadata;
   if (enable) {
     metadata.features.push_back(mojom::RemotingSinkFeature::RENDERING);
     metadata.features.push_back(mojom::RemotingSinkFeature::CONTENT_DECRYPTION);
   } else {
     metadata.features.clear();
   }
   metadata.video_capabilities.push_back(
       mojom::RemotingSinkVideoCapability::CODEC_VP8);
   metadata.audio_capabilities.push_back(
       mojom::RemotingSinkAudioCapability::CODEC_BASELINE_SET);
   metadata.friendly_name = kDefaultReceiver;
   return metadata;
 }

 constexpr base::TimeDelta kDelayedStartDuration =
     base::TimeDelta::FromSeconds(5);

 }  // namespace

 class RendererControllerTest : public ::testing::Test,
                                public MediaObserverClient {
  public:
   RendererControllerTest()
       : controller_(FakeRemoterFactory::CreateController(false)) {}

   ~RendererControllerTest() override = default;

   void TearDown() final { RunUntilIdle(); }

   static void RunUntilIdle() { base::RunLoop().RunUntilIdle(); }

   // MediaObserverClient implementation.
   void SwitchToRemoteRenderer(
       const std::string& remote_device_friendly_name) override {
     is_rendering_remotely_ = true;
     disable_pipeline_suspend_ = true;
     sink_name_ = remote_device_friendly_name;
   }

   void SwitchToLocalRenderer(ReasonToSwitchToLocal reason) override {
     is_rendering_remotely_ = false;
     disable_pipeline_suspend_ = false;
     sink_name_.clear();
   }

   void ActivateViewportIntersectionMonitoring(bool activate) override {
     activate_viewport_intersection_monitoring_ = activate;
   }

   double Duration() const override { return duration_in_sec_; }

   unsigned DecodedFrameCount() const override { return decoded_frames_; }

   void UpdateRemotePlaybackCompatibility(bool is_compatibe) override {}

   void CreateCdm(bool is_remoting) { is_remoting_cdm_ = is_remoting; }

   void InitializeControllerAndBecomeDominant(
       const PipelineMetadata& pipeline_metadata,
       const mojom::RemotingSinkMetadata& sink_metadata) {
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_TRUE(sink_name_.empty());
     controller_->clock_ = &clock_;
     clock_.Advance(base::TimeDelta::FromSeconds(1));
     controller_->SetClient(this);
     RunUntilIdle();
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(activate_viewport_intersection_monitoring_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     controller_->OnSinkAvailable(sink_metadata.Clone());
     RunUntilIdle();
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     controller_->OnRemotePlaybackDisabled(false);
     RunUntilIdle();
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     controller_->OnMetadataChanged(pipeline_metadata);
     RunUntilIdle();
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     controller_->OnBecameDominantVisibleContent(true);
     RunUntilIdle();
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     controller_->OnPlaying();
     RunUntilIdle();
   }

   bool IsInDelayedStart() const {
     return controller_->delayed_start_stability_timer_.IsRunning();
   }

   void DelayedStartEnds(double frame_rate = 30) {
     EXPECT_TRUE(IsInDelayedStart());
     decoded_frames_ = frame_rate * kDelayedStartDuration.InSeconds();
     clock_.Advance(kDelayedStartDuration);
     RunUntilIdle();
     controller_->delayed_start_stability_timer_.FireNow();
   }

   void ExpectInDelayedStart() const {
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     EXPECT_TRUE(sink_name_.empty());
     EXPECT_TRUE(IsInDelayedStart());
     EXPECT_TRUE(activate_viewport_intersection_monitoring_);
   }

   void ExpectInRemoting() const {
     EXPECT_TRUE(is_rendering_remotely_);
     EXPECT_TRUE(disable_pipeline_suspend_);
     EXPECT_EQ(kDefaultReceiver, sink_name_);
     EXPECT_FALSE(IsInDelayedStart());
     EXPECT_TRUE(activate_viewport_intersection_monitoring_);
   }

   void ExpectInLocalRendering() const {
     EXPECT_FALSE(is_rendering_remotely_);
     EXPECT_FALSE(disable_pipeline_suspend_);
     EXPECT_TRUE(sink_name_.empty());
     EXPECT_FALSE(IsInDelayedStart());
   }

   base::MessageLoop message_loop_;

  protected:
   bool is_rendering_remotely_ = false;
   bool is_remoting_cdm_ = false;
   bool activate_viewport_intersection_monitoring_ = false;
   bool disable_pipeline_suspend_ = false;
   size_t decoded_bytes_ = 0;
   unsigned decoded_frames_ = 0;
   base::SimpleTestTickClock clock_;
   std::string sink_name_;
   std::unique_ptr<RendererController> controller_;
   double duration_in_sec_ = 120;  // 2m duration.

  private:
   DISALLOW_COPY_AND_ASSIGN(RendererControllerTest);
 };

 TEST_F(RendererControllerTest, ToggleRendererOnDominantChange) {
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(true));
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.

   // Leaving fullscreen should shut down remoting.
   controller_->OnBecameDominantVisibleContent(false);
   RunUntilIdle();
   ExpectInLocalRendering();
 }

 TEST_F(RendererControllerTest, ToggleRendererOnDisableChange) {
   EXPECT_FALSE(is_rendering_remotely_);
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(true));
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.

   // If the page disables remote playback (e.g., by setting the
   // disableRemotePlayback attribute), this should shut down remoting.
   controller_->OnRemotePlaybackDisabled(true);
   RunUntilIdle();
   ExpectInLocalRendering();
 }

 TEST_F(RendererControllerTest, NotStartForShortContent) {
   duration_in_sec_ = 30;
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(true));
   ExpectInLocalRendering();
 }

 TEST_F(RendererControllerTest, ToggleRendererOnSinkCapabilities) {
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(false));
   // An available sink that does not support remote rendering should not cause
   // the controller to toggle remote rendering on.
   ExpectInLocalRendering();
   controller_->OnSinkGone();  // Bye-bye useless sink!
   RunUntilIdle();
   ExpectInLocalRendering();
   // A sink that *does* support remote rendering *does* cause the controller to
   // toggle remote rendering on.
   controller_->OnSinkAvailable(GetDefaultSinkMetadata(true).Clone());
   RunUntilIdle();
   EXPECT_TRUE(activate_viewport_intersection_monitoring_);
   EXPECT_FALSE(is_rendering_remotely_);
   controller_->OnBecameDominantVisibleContent(true);
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.
 }

 TEST_F(RendererControllerTest, WithVP9VideoCodec) {
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP9),
                                         GetDefaultSinkMetadata(true));
   // An available sink that does not support VP9 video codec should not cause
   // the controller to toggle remote rendering on.
   ExpectInLocalRendering();

   controller_->OnSinkGone();  // Bye-bye useless sink!
   mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
   sink_metadata.video_capabilities.push_back(
       mojom::RemotingSinkVideoCapability::CODEC_VP9);
   // A sink that *does* support VP9 video codec *does* cause the controller to
   // toggle remote rendering on.
   controller_->OnSinkAvailable(sink_metadata.Clone());
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.
 }

 TEST_F(RendererControllerTest, WithHEVCVideoCodec) {
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecHEVC),
                                         GetDefaultSinkMetadata(true));
   // An available sink that does not support HEVC video codec should not cause
   // the controller to toggle remote rendering on.
   ExpectInLocalRendering();

   controller_->OnSinkGone();  // Bye-bye useless sink!
   RunUntilIdle();
   ExpectInLocalRendering();
   mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
   sink_metadata.video_capabilities.push_back(
       mojom::RemotingSinkVideoCapability::CODEC_HEVC);
   // A sink that *does* support HEVC video codec *does* cause the controller to
   // toggle remote rendering on.
   controller_->OnSinkAvailable(sink_metadata.Clone());
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.
 }

 TEST_F(RendererControllerTest, WithAACAudioCodec) {
   const AudioDecoderConfig audio_config = AudioDecoderConfig(
       AudioCodec::kCodecAAC, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO,
       44100, EmptyExtraData(), Unencrypted());
   PipelineMetadata pipeline_metadata = DefaultMetadata(VideoCodec::kCodecVP8);
   pipeline_metadata.audio_decoder_config = audio_config;
   InitializeControllerAndBecomeDominant(pipeline_metadata,
                                         GetDefaultSinkMetadata(true));
   // An available sink that does not support AAC audio codec should not cause
   // the controller to toggle remote rendering on.
   ExpectInLocalRendering();

   controller_->OnSinkGone();  // Bye-bye useless sink!
   RunUntilIdle();
   ExpectInLocalRendering();
   mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
   sink_metadata.audio_capabilities.push_back(
       mojom::RemotingSinkAudioCapability::CODEC_AAC);
   // A sink that *does* support AAC audio codec *does* cause the controller to
   // toggle remote rendering on.
   controller_->OnSinkAvailable(sink_metadata.Clone());
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.
 }

 TEST_F(RendererControllerTest, WithOpusAudioCodec) {
   const AudioDecoderConfig audio_config = AudioDecoderConfig(
       AudioCodec::kCodecOpus, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO,
       44100, EmptyExtraData(), Unencrypted());
   PipelineMetadata pipeline_metadata = DefaultMetadata(VideoCodec::kCodecVP8);
   pipeline_metadata.audio_decoder_config = audio_config;
   InitializeControllerAndBecomeDominant(pipeline_metadata,
                                         GetDefaultSinkMetadata(true));
   // An available sink that does not support Opus audio codec should not cause
   // the controller to toggle remote rendering on.
   ExpectInLocalRendering();

   controller_->OnSinkGone();  // Bye-bye useless sink!
   RunUntilIdle();
   mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
   sink_metadata.audio_capabilities.push_back(
       mojom::RemotingSinkAudioCapability::CODEC_OPUS);
   // A sink that *does* support Opus audio codec *does* cause the controller to
   // toggle remote rendering on.
   controller_->OnSinkAvailable(sink_metadata.Clone());
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.
 }

 TEST_F(RendererControllerTest, StartFailedWithHighFrameRate) {
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(true));
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds(60);
   RunUntilIdle();
   ExpectInLocalRendering();
 }

 TEST_F(RendererControllerTest, StartSuccessWithHighFrameRate) {
   mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
   sink_metadata.video_capabilities.push_back(
       mojom::RemotingSinkVideoCapability::SUPPORT_4K);
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         sink_metadata);
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds(60);
   RunUntilIdle();
   ExpectInRemoting();
 }

 TEST_F(RendererControllerTest, PacingTooSlowly) {
   mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         sink_metadata);
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds(false);
   RunUntilIdle();
   ExpectInRemoting();  // All requirements now satisfied.
   controller_->OnRendererFatalError(StopTrigger::PACING_TOO_SLOWLY);
   RunUntilIdle();
   ExpectInLocalRendering();
   controller_->OnSinkAvailable(sink_metadata.Clone());
   RunUntilIdle();
   controller_->OnBecameDominantVisibleContent(false);
   RunUntilIdle();
   ExpectInLocalRendering();
   controller_->OnBecameDominantVisibleContent(true);
   RunUntilIdle();
   ExpectInDelayedStart();  // Try start remoting again.
 }

 TEST_F(RendererControllerTest, StartFailed) {
   controller_ = FakeRemoterFactory::CreateController(true);
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(true));
   RunUntilIdle();
   ExpectInDelayedStart();
   DelayedStartEnds();
   RunUntilIdle();
   ExpectInLocalRendering();
 }

 TEST_F(RendererControllerTest, SetClientNullptr) {
   controller_ = FakeRemoterFactory::CreateController(true);
   InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
                                         GetDefaultSinkMetadata(true));
   RunUntilIdle();
   controller_->SetClient(nullptr);
   RunUntilIdle();
   ExpectInLocalRendering();
 }

 }  // namespace remoting
 }  // namespace media
	// Copyright 2016 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "media/remoting/renderer_controller.h"

	#include <memory>

	#include "base/callback.h"
	#include "base/message_loop/message_loop.h"
	#include "base/run_loop.h"
	#include "base/test/simple_test_tick_clock.h"
	#include "build/build_config.h"
	#include "media/base/audio_decoder_config.h"
	#include "media/base/cdm_config.h"
	#include "media/base/limits.h"
	#include "media/base/media_util.h"
	#include "media/base/test_helpers.h"
	#include "media/base/video_decoder_config.h"
	#include "media/remoting/fake_remoter.h"
	#include "mojo/public/cpp/bindings/strong_binding.h"
	#include "testing/gtest/include/gtest/gtest.h"

	namespace media {
	namespace remoting {

	namespace {

	PipelineMetadata DefaultMetadata(VideoCodec codec) {
	PipelineMetadata data;
	data.has_audio = true;
	data.has_video = true;
	data.video_decoder_config = TestVideoConfig::Normal(codec);
	data.audio_decoder_config = TestAudioConfig::Normal();
	data.natural_size = gfx::Size(1920, 1080);
	return data;
	}

	const std::string kDefaultReceiver = "TestingChromeCast";

	mojom::RemotingSinkMetadata GetDefaultSinkMetadata(bool enable) {
	mojom::RemotingSinkMetadata metadata;
	if (enable) {
	metadata.features.push_back(mojom::RemotingSinkFeature::RENDERING);
	metadata.features.push_back(mojom::RemotingSinkFeature::CONTENT_DECRYPTION);
	} else {
	metadata.features.clear();
	}
	metadata.video_capabilities.push_back(
	mojom::RemotingSinkVideoCapability::CODEC_VP8);
	metadata.audio_capabilities.push_back(
	mojom::RemotingSinkAudioCapability::CODEC_BASELINE_SET);
	metadata.friendly_name = kDefaultReceiver;
	return metadata;
	}

	constexpr base::TimeDelta kDelayedStartDuration =
	base::TimeDelta::FromSeconds(5);

	} // namespace

	class RendererControllerTest : public ::testing::Test,
	public MediaObserverClient {
	public:
	RendererControllerTest()
	: controller_(FakeRemoterFactory::CreateController(false)) {}

	~RendererControllerTest() override = default;

	void TearDown() final { RunUntilIdle(); }

	static void RunUntilIdle() { base::RunLoop().RunUntilIdle(); }

	// MediaObserverClient implementation.
	void SwitchToRemoteRenderer(
	const std::string& remote_device_friendly_name) override {
	is_rendering_remotely_ = true;
	disable_pipeline_suspend_ = true;
	sink_name_ = remote_device_friendly_name;
	}

	void SwitchToLocalRenderer(ReasonToSwitchToLocal reason) override {
	is_rendering_remotely_ = false;
	disable_pipeline_suspend_ = false;
	sink_name_.clear();
	}

	void ActivateViewportIntersectionMonitoring(bool activate) override {
	activate_viewport_intersection_monitoring_ = activate;
	}

	double Duration() const override { return duration_in_sec_; }

	unsigned DecodedFrameCount() const override { return decoded_frames_; }

	void UpdateRemotePlaybackCompatibility(bool is_compatibe) override {}

	void CreateCdm(bool is_remoting) { is_remoting_cdm_ = is_remoting; }

	void InitializeControllerAndBecomeDominant(
	const PipelineMetadata& pipeline_metadata,
	const mojom::RemotingSinkMetadata& sink_metadata) {
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_TRUE(sink_name_.empty());
	controller_->clock_ = &clock_;
	clock_.Advance(base::TimeDelta::FromSeconds(1));
	controller_->SetClient(this);
	RunUntilIdle();
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(activate_viewport_intersection_monitoring_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	controller_->OnSinkAvailable(sink_metadata.Clone());
	RunUntilIdle();
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	controller_->OnRemotePlaybackDisabled(false);
	RunUntilIdle();
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	controller_->OnMetadataChanged(pipeline_metadata);
	RunUntilIdle();
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	controller_->OnBecameDominantVisibleContent(true);
	RunUntilIdle();
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	controller_->OnPlaying();
	RunUntilIdle();
	}

	bool IsInDelayedStart() const {
	return controller_->delayed_start_stability_timer_.IsRunning();
	}

	void DelayedStartEnds(double frame_rate = 30) {
	EXPECT_TRUE(IsInDelayedStart());
	decoded_frames_ = frame_rate * kDelayedStartDuration.InSeconds();
	clock_.Advance(kDelayedStartDuration);
	RunUntilIdle();
	controller_->delayed_start_stability_timer_.FireNow();
	}

	void ExpectInDelayedStart() const {
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	EXPECT_TRUE(sink_name_.empty());
	EXPECT_TRUE(IsInDelayedStart());
	EXPECT_TRUE(activate_viewport_intersection_monitoring_);
	}

	void ExpectInRemoting() const {
	EXPECT_TRUE(is_rendering_remotely_);
	EXPECT_TRUE(disable_pipeline_suspend_);
	EXPECT_EQ(kDefaultReceiver, sink_name_);
	EXPECT_FALSE(IsInDelayedStart());
	EXPECT_TRUE(activate_viewport_intersection_monitoring_);
	}

	void ExpectInLocalRendering() const {
	EXPECT_FALSE(is_rendering_remotely_);
	EXPECT_FALSE(disable_pipeline_suspend_);
	EXPECT_TRUE(sink_name_.empty());
	EXPECT_FALSE(IsInDelayedStart());
	}

	base::MessageLoop message_loop_;

	protected:
	bool is_rendering_remotely_ = false;
	bool is_remoting_cdm_ = false;
	bool activate_viewport_intersection_monitoring_ = false;
	bool disable_pipeline_suspend_ = false;
	size_t decoded_bytes_ = 0;
	unsigned decoded_frames_ = 0;
	base::SimpleTestTickClock clock_;
	std::string sink_name_;
	std::unique_ptr<RendererController> controller_;
	double duration_in_sec_ = 120; // 2m duration.

	private:
	DISALLOW_COPY_AND_ASSIGN(RendererControllerTest);
	};

	TEST_F(RendererControllerTest, ToggleRendererOnDominantChange) {
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(true));
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.

	// Leaving fullscreen should shut down remoting.
	controller_->OnBecameDominantVisibleContent(false);
	RunUntilIdle();
	ExpectInLocalRendering();
	}

	TEST_F(RendererControllerTest, ToggleRendererOnDisableChange) {
	EXPECT_FALSE(is_rendering_remotely_);
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(true));
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.

	// If the page disables remote playback (e.g., by setting the
	// disableRemotePlayback attribute), this should shut down remoting.
	controller_->OnRemotePlaybackDisabled(true);
	RunUntilIdle();
	ExpectInLocalRendering();
	}

	TEST_F(RendererControllerTest, NotStartForShortContent) {
	duration_in_sec_ = 30;
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(true));
	ExpectInLocalRendering();
	}

	TEST_F(RendererControllerTest, ToggleRendererOnSinkCapabilities) {
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(false));
	// An available sink that does not support remote rendering should not cause
	// the controller to toggle remote rendering on.
	ExpectInLocalRendering();
	controller_->OnSinkGone(); // Bye-bye useless sink!
	RunUntilIdle();
	ExpectInLocalRendering();
	// A sink that does support remote rendering does cause the controller to
	// toggle remote rendering on.
	controller_->OnSinkAvailable(GetDefaultSinkMetadata(true).Clone());
	RunUntilIdle();
	EXPECT_TRUE(activate_viewport_intersection_monitoring_);
	EXPECT_FALSE(is_rendering_remotely_);
	controller_->OnBecameDominantVisibleContent(true);
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.
	}

	TEST_F(RendererControllerTest, WithVP9VideoCodec) {
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP9),
	GetDefaultSinkMetadata(true));
	// An available sink that does not support VP9 video codec should not cause
	// the controller to toggle remote rendering on.
	ExpectInLocalRendering();

	controller_->OnSinkGone(); // Bye-bye useless sink!
	mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
	sink_metadata.video_capabilities.push_back(
	mojom::RemotingSinkVideoCapability::CODEC_VP9);
	// A sink that does support VP9 video codec does cause the controller to
	// toggle remote rendering on.
	controller_->OnSinkAvailable(sink_metadata.Clone());
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.
	}

	TEST_F(RendererControllerTest, WithHEVCVideoCodec) {
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecHEVC),
	GetDefaultSinkMetadata(true));
	// An available sink that does not support HEVC video codec should not cause
	// the controller to toggle remote rendering on.
	ExpectInLocalRendering();

	controller_->OnSinkGone(); // Bye-bye useless sink!
	RunUntilIdle();
	ExpectInLocalRendering();
	mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
	sink_metadata.video_capabilities.push_back(
	mojom::RemotingSinkVideoCapability::CODEC_HEVC);
	// A sink that does support HEVC video codec does cause the controller to
	// toggle remote rendering on.
	controller_->OnSinkAvailable(sink_metadata.Clone());
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.
	}

	TEST_F(RendererControllerTest, WithAACAudioCodec) {
	const AudioDecoderConfig audio_config = AudioDecoderConfig(
	AudioCodec::kCodecAAC, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO,
	44100, EmptyExtraData(), Unencrypted());
	PipelineMetadata pipeline_metadata = DefaultMetadata(VideoCodec::kCodecVP8);
	pipeline_metadata.audio_decoder_config = audio_config;
	InitializeControllerAndBecomeDominant(pipeline_metadata,
	GetDefaultSinkMetadata(true));
	// An available sink that does not support AAC audio codec should not cause
	// the controller to toggle remote rendering on.
	ExpectInLocalRendering();

	controller_->OnSinkGone(); // Bye-bye useless sink!
	RunUntilIdle();
	ExpectInLocalRendering();
	mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
	sink_metadata.audio_capabilities.push_back(
	mojom::RemotingSinkAudioCapability::CODEC_AAC);
	// A sink that does support AAC audio codec does cause the controller to
	// toggle remote rendering on.
	controller_->OnSinkAvailable(sink_metadata.Clone());
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.
	}

	TEST_F(RendererControllerTest, WithOpusAudioCodec) {
	const AudioDecoderConfig audio_config = AudioDecoderConfig(
	AudioCodec::kCodecOpus, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO,
	44100, EmptyExtraData(), Unencrypted());
	PipelineMetadata pipeline_metadata = DefaultMetadata(VideoCodec::kCodecVP8);
	pipeline_metadata.audio_decoder_config = audio_config;
	InitializeControllerAndBecomeDominant(pipeline_metadata,
	GetDefaultSinkMetadata(true));
	// An available sink that does not support Opus audio codec should not cause
	// the controller to toggle remote rendering on.
	ExpectInLocalRendering();

	controller_->OnSinkGone(); // Bye-bye useless sink!
	RunUntilIdle();
	mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
	sink_metadata.audio_capabilities.push_back(
	mojom::RemotingSinkAudioCapability::CODEC_OPUS);
	// A sink that does support Opus audio codec does cause the controller to
	// toggle remote rendering on.
	controller_->OnSinkAvailable(sink_metadata.Clone());
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.
	}

	TEST_F(RendererControllerTest, StartFailedWithHighFrameRate) {
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(true));
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds(60);
	RunUntilIdle();
	ExpectInLocalRendering();
	}

	TEST_F(RendererControllerTest, StartSuccessWithHighFrameRate) {
	mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
	sink_metadata.video_capabilities.push_back(
	mojom::RemotingSinkVideoCapability::SUPPORT_4K);
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	sink_metadata);
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds(60);
	RunUntilIdle();
	ExpectInRemoting();
	}

	TEST_F(RendererControllerTest, PacingTooSlowly) {
	mojom::RemotingSinkMetadata sink_metadata = GetDefaultSinkMetadata(true);
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	sink_metadata);
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds(false);
	RunUntilIdle();
	ExpectInRemoting(); // All requirements now satisfied.
	controller_->OnRendererFatalError(StopTrigger::PACING_TOO_SLOWLY);
	RunUntilIdle();
	ExpectInLocalRendering();
	controller_->OnSinkAvailable(sink_metadata.Clone());
	RunUntilIdle();
	controller_->OnBecameDominantVisibleContent(false);
	RunUntilIdle();
	ExpectInLocalRendering();
	controller_->OnBecameDominantVisibleContent(true);
	RunUntilIdle();
	ExpectInDelayedStart(); // Try start remoting again.
	}

	TEST_F(RendererControllerTest, StartFailed) {
	controller_ = FakeRemoterFactory::CreateController(true);
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(true));
	RunUntilIdle();
	ExpectInDelayedStart();
	DelayedStartEnds();
	RunUntilIdle();
	ExpectInLocalRendering();
	}

	TEST_F(RendererControllerTest, SetClientNullptr) {
	controller_ = FakeRemoterFactory::CreateController(true);
	InitializeControllerAndBecomeDominant(DefaultMetadata(VideoCodec::kCodecVP8),
	GetDefaultSinkMetadata(true));
	RunUntilIdle();
	controller_->SetClient(nullptr);
	RunUntilIdle();
	ExpectInLocalRendering();
	}

	} // namespace remoting
	} // namespace media