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media / gpu / android / android_video_surface_chooser_impl_unittest.cc [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/gpu/android/android_video_surface_chooser_impl.h"
#include <stdint.h>
#include <memory>
#include "base/functional/bind.h"
#include "base/test/simple_test_tick_clock.h"
#include "media/base/android/mock_android_overlay.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::AnyNumber;
using ::testing::Bool;
using ::testing::Combine;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::StrictMock;
using ::testing::Values;
using ::testing::_;
namespace {
using ::media::AndroidOverlay;
using ::media::MockAndroidOverlay;
class MockClient {
public:
MOCK_METHOD1(UseOverlay, void(AndroidOverlay*));
void UseOverlayImpl(std::unique_ptr<AndroidOverlay> overlay) {
UseOverlay(overlay.get());
// Also take ownership of the overlay, so that it's not destroyed.
overlay_ = std::move(overlay);
}
// Note that this won't clear |overlay_|, which is helpful.
MOCK_METHOD0(UseTextureOwner, void(void));
// Let the test have the overlay.
std::unique_ptr<AndroidOverlay> ReleaseOverlay() {
return std::move(overlay_);
}
private:
std::unique_ptr<AndroidOverlay> overlay_;
};
// Strongly-typed enums for TestParams. It would be nice if Values() didn't
// do something that causes these to work anyway if you mismatch them. Maybe
// it'll work better in a future gtest. At the very least, it's a lot more
// readable than 'true' and 'false' in the test instantiations.
//
// Outputs from the chooser.
enum class ShouldUseOverlay { No, Yes };
enum class ShouldBePowerEfficient { No, Yes, Ignored /* for clarity */ };
// Inputs to the chooser.
enum class AllowDynamic { No, Yes };
enum class IsFullscreen { No, Yes };
enum class IsRequired { No, Yes };
enum class IsSecure { No, Yes };
enum class IsCCPromotable { No, Yes };
enum class IsExpectingRelayout { No, Yes };
enum class PromoteSecureOnly { No, Yes };
// Since gtest only supports ten args, combine some uncommon ones.
enum class MiscFlags { None, Rotated, Persistent };
// Allow any misc flag values.
#define AnyMisc \
Values(MiscFlags::None, MiscFlags::Rotated, MiscFlags::Persistent)
using TestParams = std::tuple<ShouldUseOverlay,
ShouldBePowerEfficient,
AllowDynamic,
IsRequired,
IsFullscreen,
IsSecure,
IsCCPromotable,
IsExpectingRelayout,
PromoteSecureOnly,
MiscFlags>;
// Useful macro for instantiating tests.
#define Either(x) Values(x::No, x::Yes)
// Check if a parameter of type |type| is Yes. |n| is the location of the
// parameter of that type.
// c++14 can remove |n|, and std::get() by type.
#define IsYes(type, n) (::testing::get<n>(GetParam()) == type::Yes)
#define IsIgnored(type, n) (::testing::get<n>(GetParam()) == type::Ignored)
// |v| is the value to check for equality.
#define IsEqual(type, n, v) (::testing::get<n>(GetParam()) == type::v)
} // namespace
namespace media {
// Unit tests for AndroidVideoSurfaceChooserImpl
class AndroidVideoSurfaceChooserImplTest
: public testing::TestWithParam<TestParams> {
public:
~AndroidVideoSurfaceChooserImplTest() override {}
void SetUp() override {
overlay_ = std::make_unique<MockAndroidOverlay>();
// Advance the clock just so we're not at 0.
tick_clock_.Advance(base::Seconds(10));
// Don't prevent promotions because of the compositor.
chooser_state_.is_compositor_promotable = true;
// We create a destruction observer. By default, the overlay must not be
// destroyed until the test completes. Of course, the test may ask the
// observer to expect something else.
destruction_observer_ = overlay_->CreateDestructionObserver();
destruction_observer_->DoNotAllowDestruction();
overlay_callbacks_ = overlay_->GetCallbacks();
}
void TearDown() override {
// If we get this far, the assume that whatever |destruction_observer_|
// was looking for should have already happened. We don't want the
// lifetime of the observer to matter with respect to the overlay when
// checking expectations.
// Note that it might already be null.
destruction_observer_ = nullptr;
}
// Start the chooser, providing |factory| as the initial factory.
void StartChooser(AndroidOverlayFactoryCB factory) {
chooser_ = std::make_unique<AndroidVideoSurfaceChooserImpl>(allow_dynamic_,
&tick_clock_);
chooser_->SetClientCallbacks(
base::BindRepeating(&MockClient::UseOverlayImpl,
base::Unretained(&client_)),
base::BindRepeating(&MockClient::UseTextureOwner,
base::Unretained(&client_)));
chooser_->UpdateState(
factory ? std::make_optional(std::move(factory)) : std::nullopt,
chooser_state_);
}
// Start the chooser with |overlay_|, and verify that the client is told to
// use it. As a convenience, return the overlay raw ptr.
MockAndroidOverlay* StartChooserAndProvideOverlay() {
MockAndroidOverlay* overlay = overlay_.get();
EXPECT_CALL(*this, MockOnOverlayCreated());
StartChooser(FactoryFor(std::move(overlay_)));
testing::Mock::VerifyAndClearExpectations(&client_);
testing::Mock::VerifyAndClearExpectations(this);
EXPECT_CALL(client_, UseOverlay(NotNull()));
overlay_callbacks_.OverlayReady.Run();
return overlay;
}
// AndroidOverlayFactoryCB is a RepeatingCallback, so we can't just bind
// something that uses unique_ptr. RepeatingCallback needs to copy it.
class Factory {
public:
Factory(std::unique_ptr<MockAndroidOverlay> overlay,
base::RepeatingCallback<void()> create_overlay_cb)
: overlay_(std::move(overlay)),
create_overlay_cb_(std::move(create_overlay_cb)) {}
// Return whatever overlay we're given. This is used to construct factory
// callbacks for the chooser.
std::unique_ptr<AndroidOverlay> ReturnOverlay(AndroidOverlayConfig config) {
// Notify the mock.
create_overlay_cb_.Run();
if (overlay_)
overlay_->SetConfig(std::move(config));
return std::move(overlay_);
}
private:
std::unique_ptr<MockAndroidOverlay> overlay_;
base::RepeatingCallback<void()> create_overlay_cb_;
};
// Create a factory that will return |overlay| when run.
AndroidOverlayFactoryCB FactoryFor(
std::unique_ptr<MockAndroidOverlay> overlay) {
Factory* factory = new Factory(
std::move(overlay),
base::BindRepeating(
&AndroidVideoSurfaceChooserImplTest::MockOnOverlayCreated,
base::Unretained(this)));
// Leaky!
return base::BindRepeating(&Factory::ReturnOverlay,
base::Unretained(factory));
}
// Called by the factory when it's run.
MOCK_METHOD0(MockOnOverlayCreated, void());
std::unique_ptr<AndroidVideoSurfaceChooserImpl> chooser_;
StrictMock<MockClient> client_;
std::unique_ptr<MockAndroidOverlay> overlay_;
// Callbacks to control the overlay that will be vended by |factory_|
MockAndroidOverlay::Callbacks overlay_callbacks_;
std::unique_ptr<DestructionObserver> destruction_observer_;
// Will the chooser created by StartChooser() support dynamic surface changes?
bool allow_dynamic_ = true;
base::SimpleTestTickClock tick_clock_;
AndroidVideoSurfaceChooser::State chooser_state_;
};
TEST_F(AndroidVideoSurfaceChooserImplTest,
InitializeWithoutFactoryUsesTextureOwner) {
// Calling Initialize() with no factory should result in a callback to use
// texture owner.
EXPECT_CALL(client_, UseTextureOwner());
StartChooser(AndroidOverlayFactoryCB());
}
TEST_F(AndroidVideoSurfaceChooserImplTest, NullInitialOverlayUsesTextureOwner) {
// If we provide a factory, but it fails to create an overlay, then |client_|
// should be notified to use a texture owner.
chooser_state_.is_fullscreen = true;
EXPECT_CALL(*this, MockOnOverlayCreated());
EXPECT_CALL(client_, UseTextureOwner());
StartChooser(FactoryFor(nullptr));
}
TEST_F(AndroidVideoSurfaceChooserImplTest,
FailedInitialOverlayUsesTextureOwner) {
// If we provide a factory, but the overlay that it provides returns 'failed',
// then |client_| should use texture owner. Also check that it won't retry
// after a failed overlay too soon.
chooser_state_.is_fullscreen = true;
EXPECT_CALL(*this, MockOnOverlayCreated());
StartChooser(FactoryFor(std::move(overlay_)));
testing::Mock::VerifyAndClearExpectations(&client_);
testing::Mock::VerifyAndClearExpectations(this);
// The overlay may be destroyed at any time after we send OverlayFailed. It
// doesn't have to be destroyed. We just care that it hasn't been destroyed
// before now.
destruction_observer_ = nullptr;
EXPECT_CALL(client_, UseTextureOwner());
overlay_callbacks_.OverlayFailed.Run();
testing::Mock::VerifyAndClearExpectations(&client_);
testing::Mock::VerifyAndClearExpectations(this);
// Try to get it to choose again, which shouldn't do anything.
tick_clock_.Advance(base::Seconds(2));
EXPECT_CALL(*this, MockOnOverlayCreated()).Times(0);
chooser_->UpdateState(FactoryFor(nullptr), chooser_state_);
testing::Mock::VerifyAndClearExpectations(&client_);
testing::Mock::VerifyAndClearExpectations(this);
// Advance some more and try again. This time, it should request an overlay
// from the factory.
tick_clock_.Advance(base::Seconds(100));
EXPECT_CALL(*this, MockOnOverlayCreated()).Times(1);
chooser_->UpdateState(FactoryFor(nullptr), chooser_state_);
testing::Mock::VerifyAndClearExpectations(&client_);
testing::Mock::VerifyAndClearExpectations(this);
}
TEST_F(AndroidVideoSurfaceChooserImplTest, NullLaterOverlayUsesTextureOwner) {
// If an overlay factory is provided after startup that returns a null overlay
// from CreateOverlay, |chooser_| should, at most, notify |client_| to use
// TextureOwner zero or more times.
// Start with TextureOwner.
chooser_state_.is_fullscreen = true;
EXPECT_CALL(client_, UseTextureOwner());
allow_dynamic_ = true;
StartChooser(AndroidOverlayFactoryCB());
testing::Mock::VerifyAndClearExpectations(&client_);
// Provide a factory that will return a null overlay.
EXPECT_CALL(*this, MockOnOverlayCreated());
EXPECT_CALL(client_, UseTextureOwner()).Times(AnyNumber());
chooser_->UpdateState(FactoryFor(nullptr), chooser_state_);
}
TEST_F(AndroidVideoSurfaceChooserImplTest, FailedLaterOverlayDoesNothing) {
// If we send an overlay factory that returns an overlay, and that overlay
// fails, then the client should not be notified except for zero or more
// callbacks to switch to texture owner.
// Start with TextureOwner.
chooser_state_.is_fullscreen = true;
EXPECT_CALL(client_, UseTextureOwner());
StartChooser(AndroidOverlayFactoryCB());
testing::Mock::VerifyAndClearExpectations(&client_);
// Provide a factory.
EXPECT_CALL(*this, MockOnOverlayCreated());
EXPECT_CALL(client_, UseTextureOwner()).Times(AnyNumber());
chooser_->UpdateState(FactoryFor(std::move(overlay_)), chooser_state_);
testing::Mock::VerifyAndClearExpectations(&client_);
// Fail the overlay. We don't care if it's destroyed after that, as long as
// it hasn't been destroyed yet.
destruction_observer_ = nullptr;
overlay_callbacks_.OverlayFailed.Run();
}
TEST_F(AndroidVideoSurfaceChooserImplTest,
SuccessfulLaterOverlayNotifiesClient) {
// |client_| is notified if we provide a factory that gets an overlay.
// Start with TextureOwner.
chooser_state_.is_fullscreen = true;
EXPECT_CALL(client_, UseTextureOwner());
StartChooser(AndroidOverlayFactoryCB());
testing::Mock::VerifyAndClearExpectations(&client_);
// Provide a factory. |chooser_| should try to create an overlay. We don't
// care if a call to UseTextureOwner is elided or not. Note that AVDA will
// ignore duplicate calls anyway (MultipleTextureOwnerCallbacksAreIgnored).
EXPECT_CALL(*this, MockOnOverlayCreated());
EXPECT_CALL(client_, UseTextureOwner()).Times(AnyNumber());
chooser_->UpdateState(FactoryFor(std::move(overlay_)), chooser_state_);
testing::Mock::VerifyAndClearExpectations(&client_);
testing::Mock::VerifyAndClearExpectations(this);
// Notify |chooser_| that the overlay is ready.
EXPECT_CALL(client_, UseOverlay(NotNull()));
overlay_callbacks_.OverlayReady.Run();
}
TEST_F(AndroidVideoSurfaceChooserImplTest,
UpdateStateAfterDeleteRetriesOverlay) {
// Make sure that SurfaceChooser notices that we delete the overlay, and have
// switched back to TextureOwner mode.
chooser_state_.is_fullscreen = true;
StartChooserAndProvideOverlay();
// Delete the overlay.
destruction_observer_ = nullptr;
client_.ReleaseOverlay();
// Force chooser to choose again. We expect that it will retry the overlay,
// since the delete should have informed it that we've switched back to
// TextureOwner without a callback from SurfaceChooser. If it didn't know
// this, then it would think that the client is still using an overlay, and
// take no action.
// Note that if it enforces a delay here before retrying, that might be okay
// too. For now, we assume that it doesn't.
EXPECT_CALL(*this, MockOnOverlayCreated());
chooser_->UpdateState(std::optional<AndroidOverlayFactoryCB>(),
chooser_state_);
}
TEST_F(AndroidVideoSurfaceChooserImplTest,
PowerEffcientOverlayCancelsIfNotPowerEfficient) {
// If we request a power efficient overlay that later becomes not power
// efficient, then the client should switch to TextureOwner.
MockAndroidOverlay* overlay = StartChooserAndProvideOverlay();
// Verify that this results in a power efficient overlay. If not, then we've
// picked the wrong flags, since we're just assuming what state will make the
// chooser care about power-efficiency.
ASSERT_TRUE(overlay->config()->power_efficient);
// Notify the chooser that it's not power efficient anymore.
EXPECT_CALL(client_, UseTextureOwner());
overlay_callbacks_.PowerEfficientState.Run(false);
}
TEST_F(AndroidVideoSurfaceChooserImplTest, AlwaysUseTextureOwner) {
// Start with an overlay.
chooser_state_.is_fullscreen = true;
StartChooserAndProvideOverlay();
testing::Mock::VerifyAndClearExpectations(&client_);
// Change the state to force texture owner. It should use the TextureOwner
// instead.
chooser_state_.always_use_texture_owner = true;
EXPECT_CALL(client_, UseTextureOwner());
chooser_->UpdateState(std::nullopt, chooser_state_);
}
TEST_P(AndroidVideoSurfaceChooserImplTest, OverlayIsUsedOrNotBasedOnState) {
// Provide a factory, and verify that it is used when the state says that it
// should be. If the overlay is used, then we also verify that it does not
// switch to TextureOwner first, since pre-M requires it.
const bool should_use_overlay = IsYes(ShouldUseOverlay, 0);
const bool should_be_power_efficient = IsYes(ShouldBePowerEfficient, 1);
const bool ignore_power_efficient = IsIgnored(ShouldBePowerEfficient, 1);
allow_dynamic_ = IsYes(AllowDynamic, 2);
chooser_state_.is_required = IsYes(IsRequired, 3);
chooser_state_.is_fullscreen = IsYes(IsFullscreen, 4);
chooser_state_.is_secure = IsYes(IsSecure, 5);
chooser_state_.is_compositor_promotable = IsYes(IsCCPromotable, 6);
chooser_state_.is_expecting_relayout = IsYes(IsExpectingRelayout, 7);
chooser_state_.promote_secure_only = IsYes(PromoteSecureOnly, 8);
chooser_state_.video_rotation =
IsEqual(MiscFlags, 9, Rotated) ? VIDEO_ROTATION_90 : VIDEO_ROTATION_0;
chooser_state_.is_persistent_video = IsEqual(MiscFlags, 9, Persistent);
MockAndroidOverlay* overlay = overlay_.get();
if (should_use_overlay) {
EXPECT_CALL(client_, UseTextureOwner()).Times(0);
EXPECT_CALL(*this, MockOnOverlayCreated());
} else {
EXPECT_CALL(client_, UseTextureOwner());
EXPECT_CALL(*this, MockOnOverlayCreated()).Times(0);
}
StartChooser(FactoryFor(std::move(overlay_)));
// Check that the overlay config has the right power-efficient state set.
if (should_use_overlay && !ignore_power_efficient)
ASSERT_EQ(should_be_power_efficient, overlay->config()->power_efficient);
// Verify that the overlay is provided when it becomes ready.
if (should_use_overlay) {
EXPECT_CALL(client_, UseOverlay(NotNull()));
overlay_callbacks_.OverlayReady.Run();
}
}
// We should default to TextureOwner if we only promote secure video.
INSTANTIATE_TEST_SUITE_P(NoFullscreenUsesTextureOwner,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::No),
Values(ShouldBePowerEfficient::Ignored),
Either(AllowDynamic),
Values(IsRequired::No),
Values(IsFullscreen::No),
Values(IsSecure::No),
Either(IsCCPromotable),
Either(IsExpectingRelayout),
Values(PromoteSecureOnly::Yes),
AnyMisc));
INSTANTIATE_TEST_SUITE_P(FullscreenUsesOverlay,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::Ignored),
Either(AllowDynamic),
Either(IsRequired),
Values(IsFullscreen::Yes),
Values(IsSecure::No),
Values(IsCCPromotable::Yes),
Values(IsExpectingRelayout::No),
Values(PromoteSecureOnly::No),
Values(MiscFlags::None)));
INSTANTIATE_TEST_SUITE_P(RequiredUsesOverlay,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::No),
Values(AllowDynamic::Yes),
Values(IsRequired::Yes),
Either(IsFullscreen),
Either(IsSecure),
Either(IsCCPromotable),
Either(IsExpectingRelayout),
Either(PromoteSecureOnly),
Values(MiscFlags::None,
MiscFlags::Persistent)));
// Secure textures should use an overlay if the compositor will promote them.
// We don't care about relayout, since it's transient; either behavior is okay
// if a relayout is expected. Similarly, hidden frames are fine either way.
INSTANTIATE_TEST_SUITE_P(SecureUsesOverlayIfPromotable,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::No),
Either(AllowDynamic),
Either(IsRequired),
Either(IsFullscreen),
Values(IsSecure::Yes),
Values(IsCCPromotable::Yes),
Values(IsExpectingRelayout::No),
Either(PromoteSecureOnly),
Values(MiscFlags::None)));
// For all dynamic cases, we shouldn't use an overlay if the compositor won't
// promote it, unless it's marked as required. This includes secure surfaces,
// so that L3 will fall back to TextureOwner. Non-dynamic is excluded, since
// we don't get (or use) compositor feedback before the first frame. At that
// point, we've already chosen the output surface and can't switch it.
INSTANTIATE_TEST_SUITE_P(NotCCPromotableNotRequiredUsesTextureOwner,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::No),
Values(ShouldBePowerEfficient::No),
Values(AllowDynamic::Yes),
Values(IsRequired::No),
Either(IsFullscreen),
Either(IsSecure),
Values(IsCCPromotable::No),
Either(IsExpectingRelayout),
Either(PromoteSecureOnly),
AnyMisc));
// If we're expecting a relayout, then we should never use an overlay unless
// it's required.
INSTANTIATE_TEST_SUITE_P(InsecureExpectingRelayoutUsesTextureOwner,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::No),
Values(ShouldBePowerEfficient::No),
Values(AllowDynamic::Yes),
Values(IsRequired::No),
Either(IsFullscreen),
Either(IsSecure),
Either(IsCCPromotable),
Values(IsExpectingRelayout::Yes),
Either(PromoteSecureOnly),
AnyMisc));
// "is_fullscreen" should be enough to trigger an overlay pre-M.
INSTANTIATE_TEST_SUITE_P(NotDynamicInFullscreenUsesOverlay,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::No),
Values(AllowDynamic::No),
Either(IsRequired),
Values(IsFullscreen::Yes),
Either(IsSecure),
Either(IsCCPromotable),
Either(IsExpectingRelayout),
Values(PromoteSecureOnly::No),
Values(MiscFlags::None,
MiscFlags::Persistent)));
// "is_secure" should be enough to trigger an overlay pre-M.
INSTANTIATE_TEST_SUITE_P(NotDynamicSecureUsesOverlay,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::No),
Values(AllowDynamic::No),
Either(IsRequired),
Either(IsFullscreen),
Values(IsSecure::Yes),
Either(IsCCPromotable),
Either(IsExpectingRelayout),
Either(PromoteSecureOnly),
Values(MiscFlags::None,
MiscFlags::Persistent)));
// "is_required" should be enough to trigger an overlay pre-M.
INSTANTIATE_TEST_SUITE_P(NotDynamicRequiredUsesOverlay,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::No),
Values(AllowDynamic::No),
Values(IsRequired::Yes),
Either(IsFullscreen),
Either(IsSecure),
Either(IsCCPromotable),
Either(IsExpectingRelayout),
Either(PromoteSecureOnly),
Values(MiscFlags::None,
MiscFlags::Persistent)));
// Overlay should request power efficient by default.
INSTANTIATE_TEST_SUITE_P(AggressiveOverlayIsPowerEfficient,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::Yes),
Values(ShouldBePowerEfficient::Yes),
Values(AllowDynamic::Yes),
Values(IsRequired::No),
Values(IsFullscreen::No),
Values(IsSecure::No),
Values(IsCCPromotable::Yes),
Values(IsExpectingRelayout::No),
Values(PromoteSecureOnly::No),
Values(MiscFlags::None)));
// Rotated video is unsupported for overlays in all cases.
INSTANTIATE_TEST_SUITE_P(IsVideoRotatedUsesTextureOwner,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::No),
Either(ShouldBePowerEfficient),
Either(AllowDynamic),
Either(IsRequired),
Either(IsFullscreen),
Either(IsSecure),
Either(IsCCPromotable),
Either(IsExpectingRelayout),
Either(PromoteSecureOnly),
Values(MiscFlags::Rotated)));
// Persistent, non-required video should not use an overlay.
INSTANTIATE_TEST_SUITE_P(FullscreenPersistentVideoUsesSurfaceTexture,
AndroidVideoSurfaceChooserImplTest,
Combine(Values(ShouldUseOverlay::No),
Values(ShouldBePowerEfficient::Ignored),
Values(AllowDynamic::Yes),
Values(IsRequired::No),
Values(IsFullscreen::Yes),
Either(IsSecure),
Values(IsCCPromotable::Yes),
Values(IsExpectingRelayout::No),
Either(PromoteSecureOnly),
Values(MiscFlags::Persistent)));
} // namespace media