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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/media_capabilities/media_capabilities.h"
#include <math.h>
#include <stdint.h>
#include <algorithm>
#include "base/memory/raw_ptr.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/string_number_conversions.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "media/base/media_switches.h"
#include "media/base/video_codecs.h"
#include "media/learning/common/media_learning_tasks.h"
#include "media/learning/common/target_histogram.h"
#include "media/learning/mojo/public/mojom/learning_task_controller.mojom-blink.h"
#include "media/mojo/clients/mojo_video_encoder_metrics_provider.h"
#include "media/mojo/mojom/media_metrics_provider.mojom-blink.h"
#include "media/mojo/mojom/media_types.mojom-blink.h"
#include "media/mojo/mojom/video_decode_perf_history.mojom-blink.h"
#include "media/mojo/mojom/watch_time_recorder.mojom-blink.h"
#include "media/mojo/mojom/webrtc_video_perf.mojom-blink.h"
#include "media/video/mock_gpu_video_accelerator_factories.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "third_party/blink/public/platform/browser_interface_broker_proxy.h"
#include "third_party/blink/renderer/bindings/core/v8/native_value_traits_impl.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_tester.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_audio_configuration.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_capabilities_decoding_info.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_capabilities_info.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_configuration.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_decoding_configuration.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_encoding_configuration.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_video_configuration.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/core/testing/page_test_base.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_video_encoder_factory.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/renderer/platform/testing/testing_platform_support.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"
#include "third_party/blink/renderer/platform/wtf/text/string_view.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"
#include "third_party/googletest/src/googlemock/include/gmock/gmock-actions.h"
#include "ui/gfx/geometry/size.h"
using ::media::learning::FeatureValue;
using ::media::learning::ObservationCompletion;
using ::media::learning::TargetValue;
using ::testing::_;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Return;
using ::testing::Unused;
namespace blink {
namespace {
// Simulating the browser-side service.
class MockPerfHistoryService
: public media::mojom::blink::VideoDecodePerfHistory {
public:
void BindRequest(mojo::ScopedMessagePipeHandle handle) {
receiver_.Bind(
mojo::PendingReceiver<media::mojom::blink::VideoDecodePerfHistory>(
std::move(handle)));
receiver_.set_disconnect_handler(base::BindOnce(
&MockPerfHistoryService::OnConnectionError, base::Unretained(this)));
}
void OnConnectionError() { receiver_.reset(); }
// media::mojom::blink::VideoDecodePerfHistory implementation:
MOCK_METHOD2(GetPerfInfo,
void(media::mojom::blink::PredictionFeaturesPtr features,
GetPerfInfoCallback got_info_cb));
private:
mojo::Receiver<media::mojom::blink::VideoDecodePerfHistory> receiver_{this};
};
class MockWebrtcPerfHistoryService
: public media::mojom::blink::WebrtcVideoPerfHistory {
public:
void BindRequest(mojo::ScopedMessagePipeHandle handle) {
receiver_.Bind(
mojo::PendingReceiver<media::mojom::blink::WebrtcVideoPerfHistory>(
std::move(handle)));
receiver_.set_disconnect_handler(
base::BindOnce(&MockWebrtcPerfHistoryService::OnConnectionError,
base::Unretained(this)));
}
void OnConnectionError() { receiver_.reset(); }
// media::mojom::blink::WebrtcVideoPerfHistory implementation:
MOCK_METHOD3(GetPerfInfo,
void(media::mojom::blink::WebrtcPredictionFeaturesPtr features,
int frames_per_second,
GetPerfInfoCallback got_info_cb));
private:
mojo::Receiver<media::mojom::blink::WebrtcVideoPerfHistory> receiver_{this};
};
class MockLearningTaskControllerService
: public media::learning::mojom::blink::LearningTaskController {
public:
void BindRequest(mojo::PendingReceiver<
media::learning::mojom::blink::LearningTaskController>
pending_receiver) {
receiver_.Bind(std::move(pending_receiver));
receiver_.set_disconnect_handler(
base::BindOnce(&MockLearningTaskControllerService::OnConnectionError,
base::Unretained(this)));
}
void OnConnectionError() { receiver_.reset(); }
bool is_bound() const { return receiver_.is_bound(); }
// media::mojom::blink::LearningTaskController implementation:
MOCK_METHOD3(BeginObservation,
void(const base::UnguessableToken& id,
const WTF::Vector<FeatureValue>& features,
const std::optional<TargetValue>& default_target));
MOCK_METHOD2(CompleteObservation,
void(const base::UnguessableToken& id,
const ObservationCompletion& completion));
MOCK_METHOD1(CancelObservation, void(const base::UnguessableToken& id));
MOCK_METHOD2(UpdateDefaultTarget,
void(const base::UnguessableToken& id,
const std::optional<TargetValue>& default_target));
MOCK_METHOD2(PredictDistribution,
void(const WTF::Vector<FeatureValue>& features,
PredictDistributionCallback callback));
private:
mojo::Receiver<media::learning::mojom::blink::LearningTaskController>
receiver_{this};
};
class FakeMediaMetricsProvider
: public media::mojom::blink::MediaMetricsProvider {
public:
// Raw pointers to services owned by the test.
FakeMediaMetricsProvider(
MockLearningTaskControllerService* bad_window_service,
MockLearningTaskControllerService* nnr_service)
: bad_window_service_(bad_window_service), nnr_service_(nnr_service) {}
~FakeMediaMetricsProvider() override = default;
void BindRequest(mojo::ScopedMessagePipeHandle handle) {
receiver_.Bind(
mojo::PendingReceiver<media::mojom::blink::MediaMetricsProvider>(
std::move(handle)));
receiver_.set_disconnect_handler(base::BindOnce(
&FakeMediaMetricsProvider::OnConnectionError, base::Unretained(this)));
}
void OnConnectionError() { receiver_.reset(); }
// mojom::WatchTimeRecorderProvider implementation:
void AcquireWatchTimeRecorder(
media::mojom::blink::PlaybackPropertiesPtr properties,
mojo::PendingReceiver<media::mojom::blink::WatchTimeRecorder> receiver)
override {
FAIL();
}
void AcquireVideoDecodeStatsRecorder(
mojo::PendingReceiver<media::mojom::blink::VideoDecodeStatsRecorder>
receiver) override {
FAIL();
}
void AcquireLearningTaskController(
const WTF::String& taskName,
mojo::PendingReceiver<
media::learning::mojom::blink::LearningTaskController>
pending_receiver) override {
if (taskName == media::learning::tasknames::kConsecutiveBadWindows) {
bad_window_service_->BindRequest(std::move(pending_receiver));
return;
}
if (taskName == media::learning::tasknames::kConsecutiveNNRs) {
nnr_service_->BindRequest(std::move(pending_receiver));
return;
}
FAIL();
}
void AcquirePlaybackEventsRecorder(
mojo::PendingReceiver<media::mojom::blink::PlaybackEventsRecorder>
receiver) override {
FAIL();
}
void Initialize(bool is_mse,
media::mojom::MediaURLScheme url_scheme,
media::mojom::MediaStreamType media_stream_type) override {}
void OnStarted(media::mojom::blink::PipelineStatusPtr status) override {}
void OnError(media::mojom::blink::PipelineStatusPtr status) override {}
void OnFallback(::media::mojom::blink::PipelineStatusPtr status) override {}
void SetIsEME() override {}
void SetTimeToMetadata(base::TimeDelta elapsed) override {}
void SetTimeToFirstFrame(base::TimeDelta elapsed) override {}
void SetTimeToPlayReady(base::TimeDelta elapsed) override {}
void SetContainerName(
media::mojom::blink::MediaContainerName container_name) override {}
void SetRendererType(
media::mojom::blink::RendererType renderer_type) override {}
void SetDemuxerType(media::mojom::DemuxerType demuxer_type) override {}
void SetKeySystem(const String& key_system) override {}
void SetHasWaitingForKey() override {}
void SetIsHardwareSecure() override {}
void SetHasPlayed() override {}
void SetHaveEnough() override {}
void SetHasAudio(media::mojom::AudioCodec audio_codec) override {}
void SetHasVideo(media::mojom::VideoCodec video_codec) override {}
void SetVideoPipelineInfo(
media::mojom::blink::VideoPipelineInfoPtr info) override {}
void SetAudioPipelineInfo(
media::mojom::blink::AudioPipelineInfoPtr info) override {}
private:
mojo::Receiver<media::mojom::blink::MediaMetricsProvider> receiver_{this};
raw_ptr<MockLearningTaskControllerService, DanglingUntriaged>
bad_window_service_;
raw_ptr<MockLearningTaskControllerService, DanglingUntriaged> nnr_service_;
};
// Simple helper for saving back-end callbacks for pending decodingInfo() calls.
// Callers can then manually fire the callbacks, gaining fine-grain control of
// the timing and order of their arrival.
class CallbackSaver {
public:
void SavePerfHistoryCallback(
media::mojom::blink::PredictionFeaturesPtr features,
MockPerfHistoryService::GetPerfInfoCallback got_info_cb) {
perf_history_cb_ = std::move(got_info_cb);
}
void SaveBadWindowCallback(
Vector<media::learning::FeatureValue> features,
MockLearningTaskControllerService::PredictDistributionCallback
predict_cb) {
bad_window_cb_ = std::move(predict_cb);
}
void SaveNnrCallback(
Vector<media::learning::FeatureValue> features,
MockLearningTaskControllerService::PredictDistributionCallback
predict_cb) {
nnr_cb_ = std::move(predict_cb);
}
void SaveGpuFactoriesNotifyCallback(base::OnceClosure cb) {
gpu_factories_notify_cb_ = std::move(cb);
}
MockPerfHistoryService::GetPerfInfoCallback& perf_history_cb() {
return perf_history_cb_;
}
MockLearningTaskControllerService::PredictDistributionCallback&
bad_window_cb() {
return bad_window_cb_;
}
MockLearningTaskControllerService::PredictDistributionCallback& nnr_cb() {
return nnr_cb_;
}
base::OnceClosure& gpu_factories_notify_cb() {
return gpu_factories_notify_cb_;
}
private:
MockPerfHistoryService::GetPerfInfoCallback perf_history_cb_;
MockLearningTaskControllerService::PredictDistributionCallback bad_window_cb_;
MockLearningTaskControllerService::PredictDistributionCallback nnr_cb_;
base::OnceClosure gpu_factories_notify_cb_;
};
class MockPlatform : public TestingPlatformSupport {
public:
MockPlatform() = default;
~MockPlatform() override = default;
MOCK_METHOD0(GetGpuFactories, media::GpuVideoAcceleratorFactories*());
};
// This would typically be a test fixture, but we need it to be
// STACK_ALLOCATED() in order to use V8TestingScope, and we can't force that on
// whatever gtest class instantiates the fixture.
class MediaCapabilitiesTestContext {
STACK_ALLOCATED();
public:
MediaCapabilitiesTestContext() {
perf_history_service_ = std::make_unique<MockPerfHistoryService>();
webrtc_perf_history_service_ =
std::make_unique<MockWebrtcPerfHistoryService>();
bad_window_service_ = std::make_unique<MockLearningTaskControllerService>();
nnr_service_ = std::make_unique<MockLearningTaskControllerService>();
fake_metrics_provider_ = std::make_unique<FakeMediaMetricsProvider>(
bad_window_service_.get(), nnr_service_.get());
CHECK(v8_scope_.GetExecutionContext()
->GetBrowserInterfaceBroker()
.SetBinderForTesting(
media::mojom::blink::MediaMetricsProvider::Name_,
base::BindRepeating(
&FakeMediaMetricsProvider::BindRequest,
base::Unretained(fake_metrics_provider_.get()))));
CHECK(v8_scope_.GetExecutionContext()
->GetBrowserInterfaceBroker()
.SetBinderForTesting(
media::mojom::blink::VideoDecodePerfHistory::Name_,
base::BindRepeating(
&MockPerfHistoryService::BindRequest,
base::Unretained(perf_history_service_.get()))));
CHECK(v8_scope_.GetExecutionContext()
->GetBrowserInterfaceBroker()
.SetBinderForTesting(
media::mojom::blink::WebrtcVideoPerfHistory::Name_,
base::BindRepeating(
&MockWebrtcPerfHistoryService::BindRequest,
base::Unretained(webrtc_perf_history_service_.get()))));
media_capabilities_ = MediaCapabilities::mediaCapabilities(
*v8_scope_.GetWindow().navigator());
}
~MediaCapabilitiesTestContext() {
CHECK(v8_scope_.GetExecutionContext()
->GetBrowserInterfaceBroker()
.SetBinderForTesting(
media::mojom::blink::MediaMetricsProvider::Name_, {}));
CHECK(v8_scope_.GetExecutionContext()
->GetBrowserInterfaceBroker()
.SetBinderForTesting(
media::mojom::blink::VideoDecodePerfHistory::Name_, {}));
CHECK(v8_scope_.GetExecutionContext()
->GetBrowserInterfaceBroker()
.SetBinderForTesting(
media::mojom::blink::WebrtcVideoPerfHistory::Name_, {}));
}
ExceptionState& GetExceptionState() { return v8_scope_.GetExceptionState(); }
ScriptState* GetScriptState() const { return v8_scope_.GetScriptState(); }
v8::Isolate* GetIsolate() const { return GetScriptState()->GetIsolate(); }
MediaCapabilities* GetMediaCapabilities() const {
return media_capabilities_.Get();
}
MockPerfHistoryService* GetPerfHistoryService() const {
return perf_history_service_.get();
}
MockWebrtcPerfHistoryService* GetWebrtcPerfHistoryService() const {
return webrtc_perf_history_service_.get();
}
MockLearningTaskControllerService* GetBadWindowService() const {
return bad_window_service_.get();
}
MockLearningTaskControllerService* GetNnrService() const {
return nnr_service_.get();
}
MockPlatform& GetMockPlatform() { return *mock_platform_; }
void VerifyAndClearMockExpectations() {
testing::Mock::VerifyAndClearExpectations(GetPerfHistoryService());
testing::Mock::VerifyAndClearExpectations(GetWebrtcPerfHistoryService());
testing::Mock::VerifyAndClearExpectations(GetNnrService());
testing::Mock::VerifyAndClearExpectations(GetBadWindowService());
testing::Mock::VerifyAndClearExpectations(&GetMockPlatform());
}
private:
V8TestingScope v8_scope_;
ScopedTestingPlatformSupport<MockPlatform> mock_platform_;
std::unique_ptr<MockPerfHistoryService> perf_history_service_;
std::unique_ptr<MockWebrtcPerfHistoryService> webrtc_perf_history_service_;
std::unique_ptr<FakeMediaMetricsProvider> fake_metrics_provider_;
Persistent<MediaCapabilities> media_capabilities_;
std::unique_ptr<MockLearningTaskControllerService> bad_window_service_;
std::unique_ptr<MockLearningTaskControllerService> nnr_service_;
};
// |kVideoContentType|, |kCodec|, and |kCodecProfile| must match.
const char kVideoContentType[] = "video/webm; codecs=\"vp09.00.10.08\"";
const char kAudioContentType[] = "audio/webm; codecs=\"opus\"";
const media::VideoCodecProfile kCodecProfile = media::VP9PROFILE_PROFILE0;
const media::VideoCodec kCodec = media::VideoCodec::kVP9;
const double kFramerate = 20.5;
const int kWidth = 3840;
const int kHeight = 2160;
const int kBitrate = 2391000;
const char kWebrtcVideoContentType[] = "video/VP9; profile-id=\"0\"";
const char kWebrtcAudioContentType[] = "audio/opus";
// Construct AudioConfig using the constants above.
template <class T>
T* CreateAudioConfig(const char content_type[], const char type[]) {
auto* audio_config = MakeGarbageCollected<AudioConfiguration>();
audio_config->setContentType(content_type);
auto* decoding_config = MakeGarbageCollected<T>();
decoding_config->setType(type);
decoding_config->setAudio(audio_config);
return decoding_config;
}
// Construct media-source AudioConfig using the constants above.
MediaDecodingConfiguration* CreateAudioDecodingConfig() {
return CreateAudioConfig<MediaDecodingConfiguration>(kAudioContentType,
"media-source");
}
// Construct webrtc decoding AudioConfig using the constants above.
MediaDecodingConfiguration* CreateWebrtcAudioDecodingConfig() {
return CreateAudioConfig<MediaDecodingConfiguration>(kWebrtcAudioContentType,
"webrtc");
}
// Construct webrtc decoding AudioConfig using the constants above.
MediaEncodingConfiguration* CreateWebrtcAudioEncodingConfig() {
return CreateAudioConfig<MediaEncodingConfiguration>(kWebrtcAudioContentType,
"webrtc");
}
// Construct VideoConfig using the constants above.
template <class T>
T* CreateVideoConfig(const char content_type[], const char type[]) {
auto* video_config = MakeGarbageCollected<VideoConfiguration>();
video_config->setFramerate(kFramerate);
video_config->setContentType(content_type);
video_config->setWidth(kWidth);
video_config->setHeight(kHeight);
video_config->setBitrate(kBitrate);
auto* decoding_config = MakeGarbageCollected<T>();
decoding_config->setType(type);
decoding_config->setVideo(video_config);
return decoding_config;
}
// Construct media-source VideoConfig using the constants above.
MediaDecodingConfiguration* CreateDecodingConfig() {
return CreateVideoConfig<MediaDecodingConfiguration>(kVideoContentType,
"media-source");
}
// Construct webrtc decoding VideoConfig using the constants above.
MediaDecodingConfiguration* CreateWebrtcDecodingConfig() {
return CreateVideoConfig<MediaDecodingConfiguration>(kWebrtcVideoContentType,
"webrtc");
}
// Construct webrtc encoding VideoConfig using the constants above.
MediaEncodingConfiguration* CreateWebrtcEncodingConfig() {
return CreateVideoConfig<MediaEncodingConfiguration>(kWebrtcVideoContentType,
"webrtc");
}
// Construct PredicitonFeatures matching the CreateDecodingConfig, using the
// constants above.
media::mojom::blink::PredictionFeatures CreateFeatures() {
media::mojom::blink::PredictionFeatures features;
features.profile =
static_cast<media::mojom::blink::VideoCodecProfile>(kCodecProfile);
features.video_size = gfx::Size(kWidth, kHeight);
features.frames_per_sec = kFramerate;
// Not set by any tests so far. Choosing sane defaults to mirror production
// code.
features.key_system = "";
features.use_hw_secure_codecs = false;
return features;
}
Vector<media::learning::FeatureValue> CreateFeaturesML() {
media::mojom::blink::PredictionFeatures features = CreateFeatures();
// FRAGILE: Order here MUST match order in
// WebMediaPlayerImpl::UpdateSmoothnessHelper().
// TODO(chcunningham): refactor into something more robust.
Vector<media::learning::FeatureValue> ml_features(
{media::learning::FeatureValue(static_cast<int>(kCodec)),
media::learning::FeatureValue(kCodecProfile),
media::learning::FeatureValue(kWidth),
media::learning::FeatureValue(kFramerate)});
return ml_features;
}
// Construct WebrtcPredicitonFeatures matching the CreateWebrtc{Decoding,
// Encoding}Config, using the constants above.
media::mojom::blink::WebrtcPredictionFeatures CreateWebrtcFeatures(
bool is_decode) {
media::mojom::blink::WebrtcPredictionFeatures features;
features.is_decode_stats = is_decode;
features.profile =
static_cast<media::mojom::blink::VideoCodecProfile>(kCodecProfile);
features.video_pixels = kWidth * kHeight;
return features;
}
// Types of smoothness predictions.
enum class PredictionType {
kDB,
kBadWindow,
kNnr,
kGpuFactories,
};
// Makes a TargetHistogram with single count at |target_value|.
media::learning::TargetHistogram MakeHistogram(double target_value) {
media::learning::TargetHistogram histogram;
histogram += media::learning::TargetValue(target_value);
return histogram;
}
// Makes DB (PerfHistoryService) callback for use with gtest WillOnce().
// Callback will verify |features| matches |expected_features| and run with
// provided values for |is_smooth| and |is_power_efficient|.
testing::Action<void(media::mojom::blink::PredictionFeaturesPtr,
MockPerfHistoryService::GetPerfInfoCallback)>
DbCallback(const media::mojom::blink::PredictionFeatures& expected_features,
bool is_smooth,
bool is_power_efficient) {
return [=](media::mojom::blink::PredictionFeaturesPtr features,
MockPerfHistoryService::GetPerfInfoCallback got_info_cb) {
EXPECT_TRUE(features->Equals(expected_features));
std::move(got_info_cb).Run(is_smooth, is_power_efficient);
};
}
// Makes ML (LearningTaskControllerService) callback for use with gtest
// WillOnce(). Callback will verify |features| matches |expected_features| and
// run a TargetHistogram containing a single count for |histogram_target|.
testing::Action<void(
const Vector<media::learning::FeatureValue>&,
MockLearningTaskControllerService::PredictDistributionCallback predict_cb)>
MlCallback(const Vector<media::learning::FeatureValue>& expected_features,
double histogram_target) {
return [=](const Vector<media::learning::FeatureValue>& features,
MockLearningTaskControllerService::PredictDistributionCallback
predict_cb) {
EXPECT_EQ(features, expected_features);
std::move(predict_cb).Run(MakeHistogram(histogram_target));
};
}
// Makes DB (WebrtcPerfHistoryService) callback for use with gtest WillOnce().
// Callback will verify |features| and |framerate| matches |expected_features|
// and |expected_framreate| and run with provided values for |is_smooth|.
testing::Action<void(media::mojom::blink::WebrtcPredictionFeaturesPtr,
int32_t,
MockWebrtcPerfHistoryService::GetPerfInfoCallback)>
WebrtcDbCallback(
const media::mojom::blink::WebrtcPredictionFeatures& expected_features,
double expected_framerate,
bool is_smooth) {
return [=](media::mojom::blink::WebrtcPredictionFeaturesPtr features,
int framerate,
MockWebrtcPerfHistoryService::GetPerfInfoCallback got_info_cb) {
EXPECT_TRUE(features->Equals(expected_features));
EXPECT_EQ(framerate, base::ClampRound(expected_framerate));
std::move(got_info_cb).Run(is_smooth);
};
}
testing::Action<void(base::OnceClosure)> GpuFactoriesNotifyCallback() {
return [](base::OnceClosure cb) { std::move(cb).Run(); };
}
// Helper to constructs field trial params with given ML prediction thresholds.
base::FieldTrialParams MakeMlParams(double bad_window_threshold,
double nnr_threshold) {
base::FieldTrialParams params;
params[MediaCapabilities::kLearningBadWindowThresholdParamName] =
base::NumberToString(bad_window_threshold);
params[MediaCapabilities::kLearningNnrThresholdParamName] =
base::NumberToString(nnr_threshold);
return params;
}
// Wrapping decodingInfo() call for readability. Await resolution of the promise
// and return its info.
MediaCapabilitiesInfo* DecodingInfo(
const MediaDecodingConfiguration* decoding_config,
MediaCapabilitiesTestContext* context) {
auto promise = context->GetMediaCapabilities()->decodingInfo(
context->GetScriptState(), decoding_config, context->GetExceptionState());
ScriptPromiseTester tester(context->GetScriptState(), promise);
tester.WaitUntilSettled();
CHECK(!tester.IsRejected()) << " Cant get info from rejected promise.";
return NativeValueTraits<MediaCapabilitiesInfo>::NativeValue(
context->GetIsolate(), tester.Value().V8Value(),
context->GetExceptionState());
}
// Wrapping encodingInfo() call for readability. Await resolution of the promise
// and return its info.
MediaCapabilitiesInfo* EncodingInfo(
const MediaEncodingConfiguration* encoding_config,
MediaCapabilitiesTestContext* context) {
auto promise = context->GetMediaCapabilities()->encodingInfo(
context->GetScriptState(), encoding_config, context->GetExceptionState());
ScriptPromiseTester tester(context->GetScriptState(), promise);
tester.WaitUntilSettled();
CHECK(!tester.IsRejected()) << " Cant get info from rejected promise.";
return NativeValueTraits<MediaCapabilitiesInfo>::NativeValue(
context->GetIsolate(), tester.Value().V8Value(),
context->GetExceptionState());
}
} // namespace
TEST(MediaCapabilitiesTests, BasicAudio) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
const MediaDecodingConfiguration* kDecodingConfig =
CreateAudioDecodingConfig();
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
// Other tests will assume these match. Test to be sure they stay in sync.
TEST(MediaCapabilitiesTests, ConfigMatchesFeatures) {
test::TaskEnvironment task_environment;
const MediaDecodingConfiguration* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
EXPECT_TRUE(kDecodingConfig->video()->contentType().Contains("vp09.00"));
EXPECT_EQ(static_cast<media::VideoCodecProfile>(kFeatures.profile),
media::VP9PROFILE_PROFILE0);
EXPECT_EQ(kCodecProfile, media::VP9PROFILE_PROFILE0);
EXPECT_EQ(kDecodingConfig->video()->framerate(), kFeatures.frames_per_sec);
EXPECT_EQ(kDecodingConfig->video()->width(),
static_cast<uint32_t>(kFeatures.video_size.width()));
EXPECT_EQ(kDecodingConfig->video()->height(),
static_cast<uint32_t>(kFeatures.video_size.height()));
}
// Test that non-integer framerate isn't truncated by IPC.
// https://crbug.com/1024399
TEST(MediaCapabilitiesTests, NonIntegerFramerate) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures(
// Enabled features.
{},
// Disabled ML predictions + GpuFactories (just use DB).
{media::kMediaCapabilitiesQueryGpuFactories,
media::kMediaLearningSmoothnessExperiment});
const auto* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
// FPS for this test must not be a whole number. Assert to ensure the default
// config meets that condition.
ASSERT_NE(fmod(kDecodingConfig->video()->framerate(), 1), 0);
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce([&](media::mojom::blink::PredictionFeaturesPtr features,
MockPerfHistoryService::GetPerfInfoCallback got_info_cb) {
// Explicitly check for frames_per_sec equality.
// PredictionFeatures::Equals() will not catch loss of precision if
// frames_per_sec is made to be int (currently a double).
EXPECT_EQ(features->frames_per_sec, kFramerate);
// Check that other things match as well.
EXPECT_TRUE(features->Equals(kFeatures));
std::move(got_info_cb).Run(/*smooth*/ true, /*power_efficient*/ true);
});
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
// Test smoothness predictions from DB (PerfHistoryService).
TEST(MediaCapabilitiesTests, PredictWithJustDB) {
test::TaskEnvironment task_environment;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures(
// Enabled features.
{},
// Disabled ML predictions + GpuFactories (just use DB).
{media::kMediaCapabilitiesQueryGpuFactories,
media::kMediaLearningSmoothnessExperiment});
MediaCapabilitiesTestContext context;
const auto* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
// ML services should not be called for prediction.
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.Times(0);
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _)).Times(0);
// DB alone (PerfHistoryService) should be called. Signal smooth=true and
// power_efficient = false.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ true, /*power_eff*/ false));
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// Verify DB call was made. ML services should not even be bound.
testing::Mock::VerifyAndClearExpectations(context.GetPerfHistoryService());
EXPECT_FALSE(context.GetBadWindowService()->is_bound());
EXPECT_FALSE(context.GetNnrService()->is_bound());
// Repeat test with inverted smooth and power_efficient results.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*power_eff*/ true));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, PredictPowerEfficientWithGpuFactories) {
test::TaskEnvironment task_environment;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures(
// Enable GpuFactories for power predictions.
{media::kMediaCapabilitiesQueryGpuFactories},
// Disable ML predictions (may/may not be disabled by default).
{media::kMediaLearningSmoothnessExperiment});
MediaCapabilitiesTestContext context;
const auto* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
// Setup DB to return powerEfficient = false. We later verify that opposite
// response from GpuFactories overrides the DB.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*power_eff*/ false));
auto mock_gpu_factories =
std::make_unique<media::MockGpuVideoAcceleratorFactories>(nullptr);
ON_CALL(context.GetMockPlatform(), GetGpuFactories())
.WillByDefault(Return(mock_gpu_factories.get()));
// First, lets simulate the scenario where we ask before support is known. The
// async path should notify us when the info arrives. We then get GpuFactroies
// again and learn the config is supported.
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories()).Times(2);
{
// InSequence because we EXPECT two calls to IsDecoderSupportKnown with
// different return values.
InSequence s;
EXPECT_CALL(*mock_gpu_factories, IsDecoderSupportKnown())
.WillOnce(Return(false));
EXPECT_CALL(*mock_gpu_factories, NotifyDecoderSupportKnown(_))
.WillOnce(GpuFactoriesNotifyCallback());
// MediaCapabilities calls IsDecoderSupportKnown() once, and
// GpuVideoAcceleratorFactories::IsDecoderConfigSupported() also calls it
// once internally.
EXPECT_CALL(*mock_gpu_factories, IsDecoderSupportKnown())
.Times(2)
.WillRepeatedly(Return(true));
EXPECT_CALL(*mock_gpu_factories, IsDecoderConfigSupported(_))
.WillOnce(
Return(media::GpuVideoAcceleratorFactories::Supported::kTrue));
}
// Info should be powerEfficient, preferring response of GpuFactories over
// the DB.
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->powerEfficient());
EXPECT_FALSE(info->smooth());
context.VerifyAndClearMockExpectations();
testing::Mock::VerifyAndClearExpectations(mock_gpu_factories.get());
// Now expect a second query with support is already known to be false. Set
// DB to respond with the opposite answer.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*power_eff*/ true));
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories());
EXPECT_CALL(*mock_gpu_factories, IsDecoderSupportKnown())
.Times(2)
.WillRepeatedly(Return(true));
EXPECT_CALL(*mock_gpu_factories, IsDecoderConfigSupported(_))
.WillRepeatedly(
Return(media::GpuVideoAcceleratorFactories::Supported::kFalse));
// Info should be NOT powerEfficient, preferring response of GpuFactories over
// the DB.
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->powerEfficient());
EXPECT_FALSE(info->smooth());
context.VerifyAndClearMockExpectations();
testing::Mock::VerifyAndClearExpectations(mock_gpu_factories.get());
}
// Test with smoothness predictions coming solely from "bad window" ML service.
TEST(MediaCapabilitiesTests, PredictWithBadWindowMLService) {
test::TaskEnvironment task_environment;
// Enable ML predictions with thresholds. -1 disables the NNR predictor.
const double kBadWindowThreshold = 2;
const double kNnrThreshold = -1;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
// Enabled features w/ parameters
{{media::kMediaLearningSmoothnessExperiment,
MakeMlParams(kBadWindowThreshold, kNnrThreshold)}},
// Disabled GpuFactories (use DB for power).
{media::kMediaCapabilitiesQueryGpuFactories});
MediaCapabilitiesTestContext context;
const auto* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
const Vector<media::learning::FeatureValue> kFeaturesML = CreateFeaturesML();
// ML is enabled, but DB should still be called for power efficiency (false).
// Its smoothness value (true) should be ignored in favor of ML prediction.
// Only bad window service should be asked for a prediction. Expect
// smooth=false because bad window prediction is equal to its threshold.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ true, /*efficient*/ false));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _)).Times(0);
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// NNR service should not be bound when NNR predictions disabled.
EXPECT_FALSE(context.GetNnrService()->is_bound());
context.VerifyAndClearMockExpectations();
// Same as above, but invert all signals. Expect smooth=true because bad
// window prediction is now less than its threshold.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*efficient*/ true));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold - 0.25));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _)).Times(0);
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
EXPECT_FALSE(context.GetNnrService()->is_bound());
context.VerifyAndClearMockExpectations();
// Same as above, but predict zero bad windows. Expect smooth=true because
// zero is below the threshold.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*efficient*/ true));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, /* bad windows */ 0));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _)).Times(0);
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
EXPECT_FALSE(context.GetNnrService()->is_bound());
context.VerifyAndClearMockExpectations();
}
// Test with smoothness predictions coming solely from "NNR" ML service.
TEST(MediaCapabilitiesTests, PredictWithNnrMLService) {
test::TaskEnvironment task_environment;
// Enable ML predictions with thresholds. -1 disables the bad window
// predictor.
const double kBadWindowThreshold = -1;
const double kNnrThreshold = 5;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
// Enabled both ML services.
{{media::kMediaLearningSmoothnessExperiment,
MakeMlParams(kBadWindowThreshold, kNnrThreshold)}},
// Disabled features (use DB for power efficiency)
{media::kMediaCapabilitiesQueryGpuFactories});
MediaCapabilitiesTestContext context;
const auto* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
const Vector<media::learning::FeatureValue> kFeaturesML = CreateFeaturesML();
// ML is enabled, but DB should still be called for power efficiency (false).
// Its smoothness value (true) should be ignored in favor of ML prediction.
// Only NNR service should be asked for a prediction. Expect smooth=false
// because NNR prediction is equal to its threshold.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ true, /*efficient*/ false));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.Times(0);
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold));
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// Bad window service should not be bound when NNR predictions disabled.
EXPECT_FALSE(context.GetBadWindowService()->is_bound());
context.VerifyAndClearMockExpectations();
// Same as above, but invert all signals. Expect smooth=true because NNR
// prediction is now less than its threshold.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*efficient*/ true));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.Times(0);
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold - 0.01));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
EXPECT_FALSE(context.GetBadWindowService()->is_bound());
context.VerifyAndClearMockExpectations();
// Same as above, but predict zero NNRs. Expect smooth=true because zero is
// below the threshold.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*efficient*/ true));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.Times(0);
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, /* NNRs */ 0));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
EXPECT_FALSE(context.GetBadWindowService()->is_bound());
context.VerifyAndClearMockExpectations();
}
// Test with combined smoothness predictions from both ML services.
TEST(MediaCapabilitiesTests, PredictWithBothMLServices) {
test::TaskEnvironment task_environment;
// Enable ML predictions with thresholds.
const double kBadWindowThreshold = 2;
const double kNnrThreshold = 1;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
// Enabled both ML services.
{{media::kMediaLearningSmoothnessExperiment,
MakeMlParams(kBadWindowThreshold, kNnrThreshold)}},
// Disabled features (use DB for power efficiency)
{media::kMediaCapabilitiesQueryGpuFactories});
MediaCapabilitiesTestContext context;
const auto* kDecodingConfig = CreateDecodingConfig();
const media::mojom::blink::PredictionFeatures kFeatures = CreateFeatures();
const Vector<media::learning::FeatureValue> kFeaturesML = CreateFeaturesML();
// ML is enabled, but DB should still be called for power efficiency (false).
// Its smoothness value (true) should be ignored in favor of ML predictions.
// Both ML services should be called for prediction. In both cases we exceed
// the threshold, such that smooth=false.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ true, /*efficient*/ false));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold + 0.5));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold + 0.5));
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
context.VerifyAndClearMockExpectations();
// Make another call to DecodingInfo with one "bad window" prediction
// indicating smooth=false, while nnr prediction indicates smooth=true. Verify
// resulting info predicts false, as the logic should OR the false signals.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ true, /*efficient*/ false));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold + 0.5));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold / 2));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
context.VerifyAndClearMockExpectations();
// Same as above, but invert predictions from ML services. Outcome should
// still be smooth=false (logic is ORed).
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ true, /*efficient*/ false));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold / 2));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold + 0.5));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
context.VerifyAndClearMockExpectations();
// This time both ML services agree smooth=true while DB predicts
// smooth=false. Expect info->smooth() = true, as only ML predictions matter
// when ML experiment enabled.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*efficient*/ true));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold / 2));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold / 2));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
context.VerifyAndClearMockExpectations();
// Same as above, but with ML services predicting exactly their respective
// thresholds. Now expect info->smooth() = false - reaching the threshold is
// considered not smooth.
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(DbCallback(kFeatures, /*smooth*/ false, /*efficient*/ true));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kBadWindowThreshold));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(MlCallback(kFeaturesML, kNnrThreshold));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
context.VerifyAndClearMockExpectations();
}
// Simulate a call to DecodingInfo with smoothness predictions arriving in the
// specified |callback_order|. Ensure that promise resolves correctly only after
// all callbacks have arrived.
void RunCallbackPermutationTest(std::vector<PredictionType> callback_order) {
// Enable ML predictions with thresholds.
const double kBadWindowThreshold = 2;
const double kNnrThreshold = 3;
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
// Enabled features w/ parameters
{{media::kMediaLearningSmoothnessExperiment,
MakeMlParams(kBadWindowThreshold, kNnrThreshold)},
{media::kMediaCapabilitiesQueryGpuFactories, {}}},
// Disabled features.
{});
MediaCapabilitiesTestContext context;
const auto* kDecodingConfig = CreateDecodingConfig();
auto mock_gpu_factories =
std::make_unique<media::MockGpuVideoAcceleratorFactories>(nullptr);
// DB and both ML services should be called. Save their callbacks.
CallbackSaver cb_saver;
EXPECT_CALL(*context.GetPerfHistoryService(), GetPerfInfo(_, _))
.WillOnce(Invoke(&cb_saver, &CallbackSaver::SavePerfHistoryCallback));
EXPECT_CALL(*context.GetBadWindowService(), PredictDistribution(_, _))
.WillOnce(Invoke(&cb_saver, &CallbackSaver::SaveBadWindowCallback));
EXPECT_CALL(*context.GetNnrService(), PredictDistribution(_, _))
.WillOnce(Invoke(&cb_saver, &CallbackSaver::SaveNnrCallback));
// GpuFactories should also be called. Set it up to be async with arrival of
// support info. Save the "notify" callback.
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.WillRepeatedly(Return(mock_gpu_factories.get()));
{
// InSequence because we EXPECT two calls to IsDecoderSupportKnown with
// different return values.
InSequence s;
EXPECT_CALL(*mock_gpu_factories, IsDecoderSupportKnown())
.WillOnce(Return(false));
EXPECT_CALL(*mock_gpu_factories, NotifyDecoderSupportKnown(_))
.WillOnce(
Invoke(&cb_saver, &CallbackSaver::SaveGpuFactoriesNotifyCallback));
// MediaCapabilities calls IsDecoderSupportKnown() once, and
// GpuVideoAcceleratorFactories::IsDecoderConfigSupported() also calls it
// once internally.
EXPECT_CALL(*mock_gpu_factories, IsDecoderSupportKnown())
.Times(2)
.WillRepeatedly(Return(true));
EXPECT_CALL(*mock_gpu_factories, IsDecoderConfigSupported(_))
.WillRepeatedly(
Return(media::GpuVideoAcceleratorFactories::Supported::kFalse));
}
// Call decodingInfo() to kick off the calls to prediction services.
auto promise = context.GetMediaCapabilities()->decodingInfo(
context.GetScriptState(), kDecodingConfig, context.GetExceptionState());
ScriptPromiseTester tester(context.GetScriptState(), promise);
// Callbacks should all be saved after mojo's pending tasks have run.
test::RunPendingTasks();
ASSERT_TRUE(cb_saver.perf_history_cb() && cb_saver.bad_window_cb() &&
cb_saver.nnr_cb() && cb_saver.gpu_factories_notify_cb());
// Complete callbacks in whatever order.
for (size_t i = 0; i < callback_order.size(); ++i) {
switch (callback_order[i]) {
case PredictionType::kDB:
std::move(cb_saver.perf_history_cb()).Run(true, true);
break;
case PredictionType::kBadWindow:
std::move(cb_saver.bad_window_cb())
.Run(MakeHistogram(kBadWindowThreshold - 0.25));
break;
case PredictionType::kNnr:
std::move(cb_saver.nnr_cb()).Run(MakeHistogram(kNnrThreshold + 0.5));
break;
case PredictionType::kGpuFactories:
std::move(cb_saver.gpu_factories_notify_cb()).Run();
break;
}
// Give callbacks/tasks a chance to run.
test::RunPendingTasks();
// Promise should only be resolved once the final callback has run.
if (i < callback_order.size() - 1) {
ASSERT_FALSE(tester.IsFulfilled());
} else {
ASSERT_TRUE(tester.IsFulfilled());
}
}
ASSERT_FALSE(tester.IsRejected()) << " Cant get info from rejected promise.";
MediaCapabilitiesInfo* info =
NativeValueTraits<MediaCapabilitiesInfo>::NativeValue(
context.GetIsolate(), tester.Value().V8Value(),
context.GetExceptionState());
// Smooth=false because NNR prediction exceeds threshold.
EXPECT_FALSE(info->smooth());
// DB predicted power_efficient = true, but GpuFactories overrides w/ false.
EXPECT_FALSE(info->powerEfficient());
}
// Test that decodingInfo() behaves correctly for all orderings/timings of the
// underlying prediction services.
TEST(MediaCapabilitiesTests, PredictionCallbackPermutations) {
test::TaskEnvironment task_environment;
std::vector<PredictionType> callback_order(
{PredictionType::kDB, PredictionType::kBadWindow, PredictionType::kNnr,
PredictionType::kGpuFactories});
do {
RunCallbackPermutationTest(callback_order);
} while (std::next_permutation(callback_order.begin(), callback_order.end()));
}
// WebRTC decodingInfo tests.
TEST(MediaCapabilitiesTests, WebrtcDecodingBasicAudio) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const MediaDecodingConfiguration* kDecodingConfig =
CreateWebrtcAudioDecodingConfig();
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcDecodingUnsupportedAudio) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const MediaDecodingConfiguration* kDecodingConfig =
CreateAudioConfig<MediaDecodingConfiguration>("audio/FooCodec", "webrtc");
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
// Other tests will assume these match. Test to be sure they stay in sync.
TEST(MediaCapabilitiesTests, WebrtcConfigMatchesFeatures) {
test::TaskEnvironment task_environment;
const MediaDecodingConfiguration* kDecodingConfig =
CreateWebrtcDecodingConfig();
const MediaEncodingConfiguration* kEncodingConfig =
CreateWebrtcEncodingConfig();
const media::mojom::blink::WebrtcPredictionFeatures kDecodeFeatures =
CreateWebrtcFeatures(/*is_decode=*/true);
const media::mojom::blink::WebrtcPredictionFeatures kEncodeFeatures =
CreateWebrtcFeatures(/*is_decode=*/false);
EXPECT_TRUE(kDecodeFeatures.is_decode_stats);
EXPECT_FALSE(kEncodeFeatures.is_decode_stats);
EXPECT_TRUE(kDecodingConfig->video()->contentType().Contains("video/VP9"));
EXPECT_TRUE(kEncodingConfig->video()->contentType().Contains("video/VP9"));
EXPECT_EQ(static_cast<media::VideoCodecProfile>(kDecodeFeatures.profile),
media::VP9PROFILE_PROFILE0);
EXPECT_EQ(static_cast<media::VideoCodecProfile>(kEncodeFeatures.profile),
media::VP9PROFILE_PROFILE0);
EXPECT_EQ(kCodecProfile, media::VP9PROFILE_PROFILE0);
EXPECT_EQ(
kDecodingConfig->video()->width() * kDecodingConfig->video()->height(),
static_cast<uint32_t>(kDecodeFeatures.video_pixels));
EXPECT_EQ(
kEncodingConfig->video()->width() * kEncodingConfig->video()->height(),
static_cast<uint32_t>(kEncodeFeatures.video_pixels));
}
// Test smoothness predictions from DB (WebrtcPerfHistoryService).
TEST(MediaCapabilitiesTests, WebrtcDecodingBasicVideo) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const auto* kDecodingConfig = CreateWebrtcDecodingConfig();
const media::mojom::blink::WebrtcPredictionFeatures kFeatures =
CreateWebrtcFeatures(/*is_decode=*/true);
// WebrtcPerfHistoryService should be queried for smoothness. Signal
// smooth=true.
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/true));
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// Verify DB call was made.
testing::Mock::VerifyAndClearExpectations(
context.GetWebrtcPerfHistoryService());
// Repeat test with smooth=false.
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/false));
info = DecodingInfo(kDecodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcDecodingUnsupportedVideo) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const MediaDecodingConfiguration* kDecodingConfig =
CreateVideoConfig<MediaDecodingConfiguration>("video/FooCodec", "webrtc");
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
EXPECT_FALSE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcDecodingSpatialScalability) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
auto* decoding_config = CreateWebrtcDecodingConfig();
auto* video_config = decoding_config->getVideoOr(nullptr);
video_config->setSpatialScalability(false);
const media::mojom::blink::WebrtcPredictionFeatures kFeatures =
CreateWebrtcFeatures(/*is_decode=*/true);
// WebrtcPerfHistoryService should be queried for smoothness. Signal
// smooth=true.
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/true));
MediaCapabilitiesInfo* info = DecodingInfo(decoding_config, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// Verify DB call was made.
testing::Mock::VerifyAndClearExpectations(
context.GetWebrtcPerfHistoryService());
// Repeat test with spatialScalability=true.
video_config->setSpatialScalability(true);
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/false));
info = DecodingInfo(decoding_config, &context);
EXPECT_TRUE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
// WebRTC encodingInfo tests.
TEST(MediaCapabilitiesTests, WebrtcEncodingBasicAudio) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const MediaEncodingConfiguration* kEncodingConfig =
CreateWebrtcAudioEncodingConfig();
MediaCapabilitiesInfo* info = EncodingInfo(kEncodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcEncodingUnsupportedAudio) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const MediaEncodingConfiguration* kEncodingConfig =
CreateAudioConfig<MediaEncodingConfiguration>("audio/FooCodec", "webrtc");
MediaCapabilitiesInfo* info = EncodingInfo(kEncodingConfig, &context);
EXPECT_FALSE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
// Test smoothness predictions from DB (WebrtcPerfHistoryService).
TEST(MediaCapabilitiesTests, WebrtcEncodingBasicVideo) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const auto* kEncodingConfig = CreateWebrtcEncodingConfig();
const media::mojom::blink::WebrtcPredictionFeatures kFeatures =
CreateWebrtcFeatures(/*is_decode=*/false);
// WebrtcPerfHistoryService should be queried for smoothness. Signal
// smooth=true.
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/true));
MediaCapabilitiesInfo* info = EncodingInfo(kEncodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// Verify DB call was made.
testing::Mock::VerifyAndClearExpectations(
context.GetWebrtcPerfHistoryService());
// Repeat test with smooth=false.
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/false));
info = EncodingInfo(kEncodingConfig, &context);
EXPECT_TRUE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcEncodingUnsupportedVideo) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
const MediaEncodingConfiguration* kEncodingConfig =
CreateVideoConfig<MediaEncodingConfiguration>("video/FooCodec", "webrtc");
MediaCapabilitiesInfo* info = EncodingInfo(kEncodingConfig, &context);
EXPECT_FALSE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcEncodingScalabilityMode) {
test::TaskEnvironment task_environment;
MediaCapabilitiesTestContext context;
EXPECT_CALL(context.GetMockPlatform(), GetGpuFactories())
.Times(testing::AtMost(1));
auto* encoding_config = CreateWebrtcEncodingConfig();
auto* video_config = encoding_config->getVideoOr(nullptr);
video_config->setScalabilityMode("L3T3_KEY");
const media::mojom::blink::WebrtcPredictionFeatures kFeatures =
CreateWebrtcFeatures(/*is_decode=*/false);
// WebrtcPerfHistoryService should be queried for smoothness. Signal
// smooth=true.
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(WebrtcDbCallback(kFeatures, kFramerate, /*is_smooth=*/true));
MediaCapabilitiesInfo* info = EncodingInfo(encoding_config, &context);
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
// Verify DB call was made.
testing::Mock::VerifyAndClearExpectations(
context.GetWebrtcPerfHistoryService());
// Repeat with unsupported mode.
video_config->setScalabilityMode("L3T2_Foo");
info = EncodingInfo(encoding_config, &context);
EXPECT_FALSE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_FALSE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcDecodePowerEfficientIsSmooth) {
test::TaskEnvironment task_environment;
// Set up a custom decoding info handler with a GPU factory that returns
// supported and powerEfficient.
MediaCapabilitiesTestContext context;
auto mock_gpu_factories =
std::make_unique<media::MockGpuVideoAcceleratorFactories>(nullptr);
WebrtcDecodingInfoHandler decoding_info_handler(
blink::CreateWebrtcVideoDecoderFactory(
mock_gpu_factories.get(),
Platform::Current()->GetRenderingColorSpace(), base::DoNothing()),
blink::CreateWebrtcAudioDecoderFactory());
context.GetMediaCapabilities()->set_webrtc_decoding_info_handler_for_test(
&decoding_info_handler);
EXPECT_CALL(*mock_gpu_factories, IsDecoderSupportKnown())
.WillOnce(Return(true));
EXPECT_CALL(*mock_gpu_factories, IsDecoderConfigSupported(_))
.WillOnce(Return(media::GpuVideoAcceleratorFactories::Supported::kTrue));
const auto* kDecodingConfig = CreateWebrtcDecodingConfig();
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
// Expect that powerEfficient==true implies that smooth==true without querying
// perf history.
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcDecodeOverridePowerEfficientIsSmooth) {
test::TaskEnvironment task_environment;
// Override the default behavior using a field trial. Query smooth from perf
// history regardless the value of powerEfficient.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
// Enabled features w/ parameters
{{media::kWebrtcMediaCapabilitiesParameters,
{{MediaCapabilities::kWebrtcDecodeSmoothIfPowerEfficientParamName,
"false"}}}},
// Disabled features.
{});
// Set up a custom decoding info handler with a GPU factory that returns
// supported and powerEfficient.
MediaCapabilitiesTestContext context;
media::MockGpuVideoAcceleratorFactories mock_gpu_factories(nullptr);
WebrtcDecodingInfoHandler decoding_info_handler(
blink::CreateWebrtcVideoDecoderFactory(
&mock_gpu_factories, Platform::Current()->GetRenderingColorSpace(),
base::DoNothing()),
blink::CreateWebrtcAudioDecoderFactory());
context.GetMediaCapabilities()->set_webrtc_decoding_info_handler_for_test(
&decoding_info_handler);
EXPECT_CALL(mock_gpu_factories, IsDecoderSupportKnown())
.WillOnce(Return(true));
EXPECT_CALL(mock_gpu_factories, IsDecoderConfigSupported(_))
.WillOnce(Return(media::GpuVideoAcceleratorFactories::Supported::kTrue));
const auto* kDecodingConfig = CreateWebrtcDecodingConfig();
media::mojom::blink::WebrtcPredictionFeatures expected_features =
CreateWebrtcFeatures(/*is_decode=*/true);
expected_features.hardware_accelerated = true;
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(
WebrtcDbCallback(expected_features, kFramerate, /*is_smooth=*/false));
MediaCapabilitiesInfo* info = DecodingInfo(kDecodingConfig, &context);
// Expect powerEfficient is true but smooth returned from perf history is
// false.
EXPECT_TRUE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
}
TEST(MediaCapabilitiesTests, WebrtcEncodePowerEfficientIsSmooth) {
test::TaskEnvironment task_environment;
// Set up a custom decoding info handler with a GPU factory that returns
// supported and powerEfficient.
MediaCapabilitiesTestContext context;
media::MockGpuVideoAcceleratorFactories mock_gpu_factories(nullptr);
auto video_encoder_factory =
std::make_unique<RTCVideoEncoderFactory>(&mock_gpu_factories, nullptr);
// Ensure all the profiles in our mock GPU factory are allowed.
video_encoder_factory->clear_disabled_profiles_for_testing();
WebrtcEncodingInfoHandler encoding_info_handler(
std::move(video_encoder_factory),
blink::CreateWebrtcAudioEncoderFactory());
context.GetMediaCapabilities()->set_webrtc_encoding_info_handler_for_test(
&encoding_info_handler);
EXPECT_CALL(mock_gpu_factories, IsEncoderSupportKnown())
.WillOnce(Return(true));
EXPECT_CALL(mock_gpu_factories, GetVideoEncodeAcceleratorSupportedProfiles())
.WillOnce(Return(media::VideoEncodeAccelerator::SupportedProfiles{
{media::VP9PROFILE_PROFILE0, gfx::Size(kWidth, kHeight)}}));
const auto* kEncodingConfig = CreateWebrtcEncodingConfig();
MediaCapabilitiesInfo* info = EncodingInfo(kEncodingConfig, &context);
// Expect that powerEfficient==true implies that smooth==true without querying
// perf history.
EXPECT_TRUE(info->supported());
EXPECT_TRUE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
// RTCVideoEncoderFactory destroys MojoVideoEncoderMetricsProvider on the
// task runner of GpuVideoAcceleratorFactories.
EXPECT_CALL(mock_gpu_factories, GetTaskRunner())
.WillOnce(Return(base::SequencedTaskRunner::GetCurrentDefault()));
}
TEST(MediaCapabilitiesTests, WebrtcEncodeOverridePowerEfficientIsSmooth) {
test::TaskEnvironment task_environment;
// Override the default behavior using a field trial. Query smooth from perf
// history regardless the value of powerEfficient.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
// Enabled features w/ parameters
{{media::kWebrtcMediaCapabilitiesParameters,
{{MediaCapabilities::kWebrtcEncodeSmoothIfPowerEfficientParamName,
"false"}}}},
// Disabled features.
{});
// Set up a custom decoding info handler with a GPU factory that returns
// supported and powerEfficient.
MediaCapabilitiesTestContext context;
media::MockGpuVideoAcceleratorFactories mock_gpu_factories(nullptr);
auto video_encoder_factory =
std::make_unique<RTCVideoEncoderFactory>(&mock_gpu_factories, nullptr);
// Ensure all the profiles in our mock GPU factory are allowed.
video_encoder_factory->clear_disabled_profiles_for_testing();
WebrtcEncodingInfoHandler encoding_info_handler(
std::move(video_encoder_factory),
blink::CreateWebrtcAudioEncoderFactory());
context.GetMediaCapabilities()->set_webrtc_encoding_info_handler_for_test(
&encoding_info_handler);
EXPECT_CALL(mock_gpu_factories, IsEncoderSupportKnown())
.WillOnce(Return(true));
EXPECT_CALL(mock_gpu_factories, GetVideoEncodeAcceleratorSupportedProfiles())
.WillOnce(Return(media::VideoEncodeAccelerator::SupportedProfiles{
{media::VP9PROFILE_PROFILE0, gfx::Size(kWidth, kHeight)}}));
const auto* kEncodingConfig = CreateWebrtcEncodingConfig();
media::mojom::blink::WebrtcPredictionFeatures expected_features =
CreateWebrtcFeatures(/*is_decode=*/false);
expected_features.hardware_accelerated = true;
EXPECT_CALL(*context.GetWebrtcPerfHistoryService(), GetPerfInfo(_, _, _))
.WillOnce(
WebrtcDbCallback(expected_features, kFramerate, /*is_smooth=*/false));
MediaCapabilitiesInfo* info = EncodingInfo(kEncodingConfig, &context);
// Expect powerEfficient is true but smooth returned from perf history is
// false.
EXPECT_TRUE(info->supported());
EXPECT_FALSE(info->smooth());
EXPECT_TRUE(info->powerEfficient());
// RTCVideoEncoderFactory destroys MojoVideoEncoderMetricsProvider on the
// task runner of GpuVideoAcceleratorFactories.
EXPECT_CALL(mock_gpu_factories, GetTaskRunner())
.WillOnce(Return(base::SequencedTaskRunner::GetCurrentDefault()));
}
} // namespace blink
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