| // 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 "third_party/blink/renderer/modules/media/audio/audio_renderer_sink_cache.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "base/check.h" |
| #include "base/test/test_mock_time_task_runner.h" |
| #include "base/threading/thread.h" |
| #include "media/audio/audio_device_description.h" |
| #include "media/base/audio_parameters.h" |
| #include "media/base/mock_audio_renderer_sink.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| namespace { |
| const char* const kDefaultDeviceId = |
| media::AudioDeviceDescription::kDefaultDeviceId; |
| const char kAnotherDeviceId[] = "another-device-id"; |
| const char kUnhealthyDeviceId[] = "i-am-sick"; |
| const LocalFrameToken kFrameToken; |
| constexpr base::TimeDelta kDeleteTimeout = |
| base::TimeDelta::FromMilliseconds(500); |
| } // namespace |
| |
| class AudioRendererSinkCacheTest : public testing::Test { |
| public: |
| AudioRendererSinkCacheTest() |
| : task_runner_(base::MakeRefCounted<base::TestMockTimeTaskRunner>( |
| base::Time::Now(), |
| base::TimeTicks::Now())), |
| task_runner_context_( |
| std::make_unique<base::TestMockTimeTaskRunner::ScopedContext>( |
| task_runner_)), |
| cache_(std::make_unique<AudioRendererSinkCache>( |
| task_runner_, |
| base::BindRepeating(&AudioRendererSinkCacheTest::CreateSink, |
| base::Unretained(this)), |
| kDeleteTimeout)) {} |
| ~AudioRendererSinkCacheTest() override { |
| task_runner_->FastForwardUntilNoTasksRemain(); |
| } |
| |
| void GetSink(const LocalFrameToken& frame_token, |
| const std::string& device_id, |
| media::AudioRendererSink** sink) { |
| *sink = cache_->GetSink(frame_token, device_id).get(); |
| } |
| |
| protected: |
| int sink_count() { |
| DCHECK(task_runner_->BelongsToCurrentThread()); |
| return cache_->GetCacheSizeForTesting(); |
| } |
| |
| scoped_refptr<media::AudioRendererSink> CreateSink( |
| const LocalFrameToken& frame_token, |
| const media::AudioSinkParameters& params) { |
| return new testing::NiceMock<media::MockAudioRendererSink>( |
| params.device_id, (params.device_id == kUnhealthyDeviceId) |
| ? media::OUTPUT_DEVICE_STATUS_ERROR_INTERNAL |
| : media::OUTPUT_DEVICE_STATUS_OK); |
| } |
| |
| void ExpectNotToStop(media::AudioRendererSink* sink) { |
| // The sink must be stoped before deletion. |
| EXPECT_CALL(*static_cast<media::MockAudioRendererSink*>(sink), Stop()) |
| .Times(0); |
| } |
| |
| // Posts the task to the specified thread and runs current message loop until |
| // the task is completed. |
| void PostAndWaitUntilDone(const base::Thread& thread, |
| base::OnceClosure task) { |
| base::WaitableEvent e{base::WaitableEvent::ResetPolicy::MANUAL, |
| base::WaitableEvent::InitialState::NOT_SIGNALED}; |
| |
| thread.task_runner()->PostTask(FROM_HERE, std::move(task)); |
| thread.task_runner()->PostTask( |
| FROM_HERE, |
| base::BindOnce(&base::WaitableEvent::Signal, base::Unretained(&e))); |
| |
| e.Wait(); |
| } |
| |
| void DropSinksForFrame(const LocalFrameToken& frame_token) { |
| cache_->DropSinksForFrame(frame_token); |
| } |
| |
| scoped_refptr<base::TestMockTimeTaskRunner> task_runner_; |
| // Ensure all things run on |task_runner_| instead of the default task |
| // runner initialized by blink_unittests. |
| std::unique_ptr<base::TestMockTimeTaskRunner::ScopedContext> |
| task_runner_context_; |
| |
| std::unique_ptr<AudioRendererSinkCache> cache_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(AudioRendererSinkCacheTest); |
| }; |
| |
| // Verify that normal get/release sink sequence works. |
| TEST_F(AudioRendererSinkCacheTest, GetReleaseSink) { |
| // Verify that a new sink is successfully created. |
| EXPECT_EQ(0, sink_count()); |
| scoped_refptr<media::AudioRendererSink> sink = |
| cache_->GetSink(kFrameToken, kDefaultDeviceId).get(); |
| ExpectNotToStop(sink.get()); // Cache should not stop sinks marked as used. |
| EXPECT_EQ(kDefaultDeviceId, sink->GetOutputDeviceInfo().device_id()); |
| EXPECT_EQ(1, sink_count()); |
| |
| // Verify that another sink with the same key is successfully created |
| scoped_refptr<media::AudioRendererSink> another_sink = |
| cache_->GetSink(kFrameToken, kDefaultDeviceId).get(); |
| ExpectNotToStop(another_sink.get()); |
| EXPECT_EQ(kDefaultDeviceId, another_sink->GetOutputDeviceInfo().device_id()); |
| EXPECT_EQ(2, sink_count()); |
| EXPECT_NE(sink, another_sink); |
| |
| // Verify that another sink with a different kay is successfully created. |
| scoped_refptr<media::AudioRendererSink> yet_another_sink = |
| cache_->GetSink(kFrameToken, kAnotherDeviceId).get(); |
| ExpectNotToStop(yet_another_sink.get()); |
| EXPECT_EQ(kAnotherDeviceId, |
| yet_another_sink->GetOutputDeviceInfo().device_id()); |
| EXPECT_EQ(3, sink_count()); |
| EXPECT_NE(sink, yet_another_sink); |
| EXPECT_NE(another_sink, yet_another_sink); |
| |
| // Verify that the first sink is successfully deleted. |
| cache_->ReleaseSink(sink.get()); |
| EXPECT_EQ(2, sink_count()); |
| sink = nullptr; |
| |
| // Make sure we deleted the right sink, and the memory for the rest is not |
| // corrupted. |
| EXPECT_EQ(kDefaultDeviceId, another_sink->GetOutputDeviceInfo().device_id()); |
| EXPECT_EQ(kAnotherDeviceId, |
| yet_another_sink->GetOutputDeviceInfo().device_id()); |
| |
| // Verify that the second sink is successfully deleted. |
| cache_->ReleaseSink(another_sink.get()); |
| EXPECT_EQ(1, sink_count()); |
| EXPECT_EQ(kAnotherDeviceId, |
| yet_another_sink->GetOutputDeviceInfo().device_id()); |
| |
| cache_->ReleaseSink(yet_another_sink.get()); |
| EXPECT_EQ(0, sink_count()); |
| } |
| |
| // Verify that the sink created with GetSinkInfo() is reused when possible. |
| TEST_F(AudioRendererSinkCacheTest, GetDeviceInfo) { |
| EXPECT_EQ(0, sink_count()); |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kDefaultDeviceId); |
| EXPECT_EQ(1, sink_count()); |
| |
| // The info on the same device is requested, so no new sink is created. |
| media::OutputDeviceInfo one_more_device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kDefaultDeviceId); |
| EXPECT_EQ(1, sink_count()); |
| EXPECT_EQ(device_info.device_id(), one_more_device_info.device_id()); |
| |
| // Aquire the sink that was created on GetSinkInfo(). |
| scoped_refptr<media::AudioRendererSink> sink = |
| cache_->GetSink(kFrameToken, kDefaultDeviceId).get(); |
| EXPECT_EQ(1, sink_count()); |
| EXPECT_EQ(device_info.device_id(), sink->GetOutputDeviceInfo().device_id()); |
| |
| // Now the sink is in used, but we can still get the device info out of it, no |
| // new sink is created. |
| one_more_device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kDefaultDeviceId); |
| EXPECT_EQ(1, sink_count()); |
| EXPECT_EQ(device_info.device_id(), one_more_device_info.device_id()); |
| |
| // Request sink for the same device. The first sink is in use, so a new one |
| // should be created. |
| scoped_refptr<media::AudioRendererSink> another_sink = |
| cache_->GetSink(kFrameToken, kDefaultDeviceId).get(); |
| EXPECT_EQ(2, sink_count()); |
| EXPECT_EQ(device_info.device_id(), |
| another_sink->GetOutputDeviceInfo().device_id()); |
| } |
| |
| // Verify that the sink created with GetSinkInfo() is deleted if unused. |
| TEST_F(AudioRendererSinkCacheTest, GarbageCollection) { |
| EXPECT_EQ(0, sink_count()); |
| |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kDefaultDeviceId); |
| EXPECT_EQ(1, sink_count()); |
| |
| media::OutputDeviceInfo another_device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kAnotherDeviceId); |
| EXPECT_EQ(2, sink_count()); |
| |
| // Wait for garbage collection. Doesn't actually sleep, just advances the mock |
| // clock. |
| task_runner_->FastForwardBy(kDeleteTimeout); |
| |
| // All the sinks should be garbage-collected by now. |
| EXPECT_EQ(0, sink_count()); |
| } |
| |
| // Verify that the sink created with GetSinkInfo() is not deleted if used within |
| // the timeout. |
| TEST_F(AudioRendererSinkCacheTest, NoGarbageCollectionForUsedSink) { |
| EXPECT_EQ(0, sink_count()); |
| |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kDefaultDeviceId); |
| EXPECT_EQ(1, sink_count()); |
| |
| // Wait less than garbage collection timeout. |
| base::TimeDelta wait_a_bit = |
| kDeleteTimeout - base::TimeDelta::FromMilliseconds(1); |
| task_runner_->FastForwardBy(wait_a_bit); |
| |
| // Sink is not deleted yet. |
| EXPECT_EQ(1, sink_count()); |
| |
| // Request it: |
| scoped_refptr<media::AudioRendererSink> sink = |
| cache_->GetSink(kFrameToken, kDefaultDeviceId).get(); |
| EXPECT_EQ(kDefaultDeviceId, sink->GetOutputDeviceInfo().device_id()); |
| EXPECT_EQ(1, sink_count()); |
| |
| // Wait more to hit garbage collection timeout. |
| task_runner_->FastForwardBy(kDeleteTimeout); |
| |
| // The sink is still in place. |
| EXPECT_EQ(1, sink_count()); |
| } |
| |
| // Verify that the sink created with GetSinkInfo() is not cached if it is |
| // unhealthy. |
| TEST_F(AudioRendererSinkCacheTest, UnhealthySinkIsNotCached) { |
| EXPECT_EQ(0, sink_count()); |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kUnhealthyDeviceId); |
| EXPECT_EQ(0, sink_count()); |
| scoped_refptr<media::AudioRendererSink> sink = |
| cache_->GetSink(kFrameToken, kUnhealthyDeviceId).get(); |
| EXPECT_EQ(0, sink_count()); |
| } |
| |
| // Verify that a sink created with GetSinkInfo() is stopped even if it's |
| // unhealthy. |
| TEST_F(AudioRendererSinkCacheTest, UnhealthySinkIsStopped) { |
| scoped_refptr<media::MockAudioRendererSink> sink = |
| new media::MockAudioRendererSink( |
| kUnhealthyDeviceId, media::OUTPUT_DEVICE_STATUS_ERROR_INTERNAL); |
| |
| cache_.reset(); // Destruct first so there's only one cache at a time. |
| cache_ = std::make_unique<AudioRendererSinkCache>( |
| task_runner_, |
| base::BindRepeating( |
| [](scoped_refptr<media::AudioRendererSink> sink, |
| const LocalFrameToken& frame_token, |
| const media::AudioSinkParameters& params) { |
| EXPECT_EQ(kFrameToken, frame_token); |
| EXPECT_TRUE(params.session_id.is_empty()); |
| EXPECT_EQ(kUnhealthyDeviceId, params.device_id); |
| return sink; |
| }, |
| sink), |
| kDeleteTimeout); |
| |
| EXPECT_CALL(*sink, Stop()); |
| |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kUnhealthyDeviceId); |
| } |
| |
| // Verify that a sink created with GetSinkInfo() is stopped even if it's |
| // unhealthy. |
| TEST_F(AudioRendererSinkCacheTest, UnhealthySinkUsingSessionIdIsStopped) { |
| scoped_refptr<media::MockAudioRendererSink> sink = |
| new media::MockAudioRendererSink( |
| kUnhealthyDeviceId, media::OUTPUT_DEVICE_STATUS_ERROR_INTERNAL); |
| |
| cache_.reset(); // Destruct first so there's only one cache at a time. |
| cache_ = std::make_unique<AudioRendererSinkCache>( |
| task_runner_, |
| base::BindRepeating( |
| [](scoped_refptr<media::AudioRendererSink> sink, |
| const LocalFrameToken& frame_token, |
| const media::AudioSinkParameters& params) { |
| EXPECT_EQ(kFrameToken, frame_token); |
| EXPECT_TRUE(!params.session_id.is_empty()); |
| EXPECT_TRUE(params.device_id.empty()); |
| return sink; |
| }, |
| sink), |
| kDeleteTimeout); |
| |
| EXPECT_CALL(*sink, Stop()); |
| |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken::Create(), std::string()); |
| } |
| |
| // Verify that cache works fine if a sink scheduled for deletion is acquired and |
| // released before deletion timeout elapses. |
| TEST_F(AudioRendererSinkCacheTest, ReleaseSinkBeforeScheduledDeletion) { |
| EXPECT_EQ(0, sink_count()); |
| |
| base::Thread thread("timeout_thread"); |
| thread.Start(); |
| |
| media::OutputDeviceInfo device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kDefaultDeviceId); |
| EXPECT_EQ(1, sink_count()); // This sink is scheduled for deletion now. |
| |
| // Request it: |
| scoped_refptr<media::AudioRendererSink> sink = |
| cache_->GetSink(kFrameToken, kDefaultDeviceId).get(); |
| ExpectNotToStop(sink.get()); |
| EXPECT_EQ(1, sink_count()); |
| |
| // Release it: |
| cache_->ReleaseSink(sink.get()); |
| EXPECT_EQ(0, sink_count()); |
| |
| media::OutputDeviceInfo another_device_info = cache_->GetSinkInfo( |
| kFrameToken, base::UnguessableToken(), kAnotherDeviceId); |
| EXPECT_EQ(1, sink_count()); // This sink is scheduled for deletion now. |
| |
| task_runner_->FastForwardBy(kDeleteTimeout); |
| |
| // Nothing crashed and the second sink deleted on schedule. |
| EXPECT_EQ(0, sink_count()); |
| } |
| |
| // Check that a sink created on one thread in response to GetSinkInfo can be |
| // used on another thread. |
| TEST_F(AudioRendererSinkCacheTest, MultithreadedAccess) { |
| EXPECT_EQ(0, sink_count()); |
| |
| base::Thread thread1("thread1"); |
| thread1.Start(); |
| |
| base::Thread thread2("thread2"); |
| thread2.Start(); |
| |
| // Request device information on the first thread. |
| PostAndWaitUntilDone( |
| thread1, |
| base::BindOnce(base::IgnoreResult(&AudioRendererSinkCache::GetSinkInfo), |
| base::Unretained(cache_.get()), kFrameToken, |
| base::UnguessableToken(), kDefaultDeviceId)); |
| |
| EXPECT_EQ(1, sink_count()); |
| |
| // Request the sink on the second thread. |
| media::AudioRendererSink* sink; |
| |
| PostAndWaitUntilDone(thread2, |
| base::BindOnce(&AudioRendererSinkCacheTest::GetSink, |
| base::Unretained(this), kFrameToken, |
| kDefaultDeviceId, &sink)); |
| |
| EXPECT_EQ(kDefaultDeviceId, sink->GetOutputDeviceInfo().device_id()); |
| EXPECT_EQ(1, sink_count()); |
| |
| // Request device information on the first thread again. |
| PostAndWaitUntilDone( |
| thread1, |
| base::BindOnce(base::IgnoreResult(&AudioRendererSinkCache::GetSinkInfo), |
| base::Unretained(cache_.get()), kFrameToken, |
| base::UnguessableToken(), kDefaultDeviceId)); |
| EXPECT_EQ(1, sink_count()); |
| |
| // Release the sink on the second thread. |
| PostAndWaitUntilDone( |
| thread2, |
| base::BindOnce(&AudioRendererSinkCache::ReleaseSink, |
| base::Unretained(cache_.get()), base::RetainedRef(sink))); |
| |
| EXPECT_EQ(0, sink_count()); |
| } |
| |
| TEST_F(AudioRendererSinkCacheTest, StopsAndDropsSinks) { |
| EXPECT_EQ(0, sink_count()); |
| scoped_refptr<media::AudioRendererSink> sink1 = |
| cache_->GetSink(kFrameToken, "device1").get(); |
| scoped_refptr<media::AudioRendererSink> sink2 = |
| cache_->GetSink(kFrameToken, "device2").get(); |
| EXPECT_EQ(2, sink_count()); |
| |
| EXPECT_CALL(*static_cast<media::MockAudioRendererSink*>(sink1.get()), Stop()); |
| EXPECT_CALL(*static_cast<media::MockAudioRendererSink*>(sink2.get()), Stop()); |
| DropSinksForFrame(kFrameToken); |
| EXPECT_EQ(0, sink_count()); |
| } |
| |
| TEST_F(AudioRendererSinkCacheTest, StopsAndDropsCorrectSinks) { |
| EXPECT_EQ(0, sink_count()); |
| scoped_refptr<media::AudioRendererSink> sink1 = |
| cache_->GetSink(kFrameToken, "device1").get(); |
| scoped_refptr<media::AudioRendererSink> another_sink = |
| cache_->GetSink(LocalFrameToken(), "device1").get(); |
| scoped_refptr<media::AudioRendererSink> sink2 = |
| cache_->GetSink(kFrameToken, "device2").get(); |
| EXPECT_EQ(3, sink_count()); |
| |
| EXPECT_CALL(*static_cast<media::MockAudioRendererSink*>(sink1.get()), Stop()); |
| EXPECT_CALL(*static_cast<media::MockAudioRendererSink*>(sink2.get()), Stop()); |
| DropSinksForFrame(kFrameToken); |
| EXPECT_EQ(1, sink_count()); |
| EXPECT_CALL(*static_cast<media::MockAudioRendererSink*>(another_sink.get()), |
| Stop()); |
| } |
| |
| } // namespace blink |