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Diffstat (limited to 'dom/media/gtest/TestAudioInputSource.cpp')
-rw-r--r-- | dom/media/gtest/TestAudioInputSource.cpp | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/dom/media/gtest/TestAudioInputSource.cpp b/dom/media/gtest/TestAudioInputSource.cpp new file mode 100644 index 0000000000..c5b820065b --- /dev/null +++ b/dom/media/gtest/TestAudioInputSource.cpp @@ -0,0 +1,275 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +#include "AudioInputSource.h" + +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +#include "MockCubeb.h" +#include "WaitFor.h" +#include "nsContentUtils.h" + +using namespace mozilla; + +namespace { +#define DispatchFunction(f) \ + NS_DispatchToCurrentThread(NS_NewRunnableFunction(__func__, f)) +} // namespace + +class MockEventListener : public AudioInputSource::EventListener { + public: + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MockEventListener, override); + MOCK_METHOD1(AudioDeviceChanged, void(AudioInputSource::Id)); + MOCK_METHOD2(AudioStateCallback, + void(AudioInputSource::Id, + AudioInputSource::EventListener::State)); + + private: + ~MockEventListener() = default; +}; + +TEST(TestAudioInputSource, StartAndStop) +{ + MockCubeb* cubeb = new MockCubeb(); + CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext()); + + const AudioInputSource::Id sourceId = 1; + const CubebUtils::AudioDeviceID deviceId = (CubebUtils::AudioDeviceID)1; + const uint32_t channels = 2; + const PrincipalHandle testPrincipal = + MakePrincipalHandle(nsContentUtils::GetSystemPrincipal()); + const TrackRate sourceRate = 44100; + const TrackRate targetRate = 48000; + const uint32_t bufferingMs = 50; // ms + + auto listener = MakeRefPtr<MockEventListener>(); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Started)) + .Times(2); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Stopped)) + .Times(4); + + RefPtr<AudioInputSource> ais = MakeRefPtr<AudioInputSource>( + std::move(listener), sourceId, deviceId, channels, true, testPrincipal, + sourceRate, targetRate, bufferingMs); + ASSERT_TRUE(ais); + + // Make sure start and stop works. + { + DispatchFunction([&] { ais->Start(); }); + RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent()); + EXPECT_TRUE(stream->mHasInput); + EXPECT_FALSE(stream->mHasOutput); + EXPECT_EQ(stream->GetInputDeviceID(), deviceId); + EXPECT_EQ(stream->InputChannels(), channels); + EXPECT_EQ(stream->InputSampleRate(), static_cast<uint32_t>(sourceRate)); + + Unused << WaitFor(stream->FramesProcessedEvent()); + + DispatchFunction([&] { ais->Stop(); }); + Unused << WaitFor(cubeb->StreamDestroyEvent()); + } + + // Make sure restart is ok. + { + DispatchFunction([&] { ais->Start(); }); + RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent()); + EXPECT_TRUE(stream->mHasInput); + EXPECT_FALSE(stream->mHasOutput); + EXPECT_EQ(stream->GetInputDeviceID(), deviceId); + EXPECT_EQ(stream->InputChannels(), channels); + EXPECT_EQ(stream->InputSampleRate(), static_cast<uint32_t>(sourceRate)); + + Unused << WaitFor(stream->FramesProcessedEvent()); + + DispatchFunction([&] { ais->Stop(); }); + Unused << WaitFor(cubeb->StreamDestroyEvent()); + } + + ais = nullptr; // Drop the SharedThreadPool here. +} + +TEST(TestAudioInputSource, DataOutputBeforeStartAndAfterStop) +{ + MockCubeb* cubeb = new MockCubeb(); + CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext()); + + const AudioInputSource::Id sourceId = 1; + const CubebUtils::AudioDeviceID deviceId = (CubebUtils::AudioDeviceID)1; + const uint32_t channels = 2; + const PrincipalHandle testPrincipal = + MakePrincipalHandle(nsContentUtils::GetSystemPrincipal()); + const TrackRate sourceRate = 44100; + const TrackRate targetRate = 48000; + const uint32_t bufferingMs = 50; // ms + + const TrackTime requestFrames = 2 * WEBAUDIO_BLOCK_SIZE; + + auto listener = MakeRefPtr<MockEventListener>(); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Started)); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Stopped)) + .Times(2); + + RefPtr<AudioInputSource> ais = MakeRefPtr<AudioInputSource>( + std::move(listener), sourceId, deviceId, channels, true, testPrincipal, + sourceRate, targetRate, bufferingMs); + ASSERT_TRUE(ais); + + // It's ok to call GetAudioSegment before starting + { + AudioSegment data = + ais->GetAudioSegment(requestFrames, AudioInputSource::Consumer::Same); + EXPECT_EQ(data.GetDuration(), requestFrames); + EXPECT_TRUE(data.IsNull()); + } + + DispatchFunction([&] { ais->Start(); }); + RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent()); + EXPECT_TRUE(stream->mHasInput); + EXPECT_FALSE(stream->mHasOutput); + EXPECT_EQ(stream->InputChannels(), channels); + + stream->SetInputRecordingEnabled(true); + + Unused << WaitFor(stream->FramesProcessedEvent()); + + DispatchFunction([&] { ais->Stop(); }); + Unused << WaitFor(cubeb->StreamDestroyEvent()); + + // Check the data output + { + nsTArray<AudioDataValue> record = stream->TakeRecordedInput(); + size_t frames = record.Length() / channels; + AudioSegment deinterleaved; + deinterleaved.AppendFromInterleavedBuffer(record.Elements(), frames, + channels, testPrincipal); + AudioDriftCorrection driftCorrector(sourceRate, targetRate, bufferingMs, + testPrincipal); + AudioSegment expectedSegment = driftCorrector.RequestFrames( + deinterleaved, static_cast<uint32_t>(requestFrames)); + + nsTArray<AudioDataValue> expected; + size_t expectedSamples = + expectedSegment.WriteToInterleavedBuffer(expected, channels); + + AudioSegment actualSegment = + ais->GetAudioSegment(requestFrames, AudioInputSource::Consumer::Same); + EXPECT_EQ(actualSegment.GetDuration(), requestFrames); + nsTArray<AudioDataValue> actual; + size_t actualSamples = + actualSegment.WriteToInterleavedBuffer(actual, channels); + + EXPECT_EQ(actualSamples, expectedSamples); + EXPECT_EQ(actualSamples / channels, static_cast<size_t>(requestFrames)); + EXPECT_EQ(actual, expected); + } + + ais = nullptr; // Drop the SharedThreadPool here. +} + +TEST(TestAudioInputSource, ErrorCallback) +{ + MockCubeb* cubeb = new MockCubeb(); + CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext()); + + const AudioInputSource::Id sourceId = 1; + const CubebUtils::AudioDeviceID deviceId = (CubebUtils::AudioDeviceID)1; + const uint32_t channels = 2; + const PrincipalHandle testPrincipal = + MakePrincipalHandle(nsContentUtils::GetSystemPrincipal()); + const TrackRate sourceRate = 44100; + const TrackRate targetRate = 48000; + const uint32_t bufferingMs = 50; // ms + + auto listener = MakeRefPtr<MockEventListener>(); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Started)); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Error)); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Stopped)); + + RefPtr<AudioInputSource> ais = MakeRefPtr<AudioInputSource>( + std::move(listener), sourceId, deviceId, channels, true, testPrincipal, + sourceRate, targetRate, bufferingMs); + ASSERT_TRUE(ais); + + DispatchFunction([&] { ais->Start(); }); + RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent()); + EXPECT_TRUE(stream->mHasInput); + EXPECT_FALSE(stream->mHasOutput); + EXPECT_EQ(stream->InputChannels(), channels); + + Unused << WaitFor(stream->FramesProcessedEvent()); + + DispatchFunction([&] { stream->ForceError(); }); + WaitFor(stream->ErrorForcedEvent()); + // Make sure the stream has been stopped by the error-state's backgroud thread + // task, to avoid getting a stopped state callback by `ais->Stop` below. + WaitFor(stream->ErrorStoppedEvent()); + + DispatchFunction([&] { ais->Stop(); }); + Unused << WaitFor(cubeb->StreamDestroyEvent()); + + ais = nullptr; // Drop the SharedThreadPool here. +} + +TEST(TestAudioInputSource, DeviceChangedCallback) +{ + MockCubeb* cubeb = new MockCubeb(); + CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext()); + + const AudioInputSource::Id sourceId = 1; + const CubebUtils::AudioDeviceID deviceId = (CubebUtils::AudioDeviceID)1; + const uint32_t channels = 2; + const PrincipalHandle testPrincipal = + MakePrincipalHandle(nsContentUtils::GetSystemPrincipal()); + const TrackRate sourceRate = 44100; + const TrackRate targetRate = 48000; + const uint32_t bufferingMs = 50; // ms + + auto listener = MakeRefPtr<MockEventListener>(); + EXPECT_CALL(*listener, AudioDeviceChanged(sourceId)); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Started)); + EXPECT_CALL(*listener, + AudioStateCallback( + sourceId, AudioInputSource::EventListener::State::Stopped)) + .Times(2); + + RefPtr<AudioInputSource> ais = MakeRefPtr<AudioInputSource>( + std::move(listener), sourceId, deviceId, channels, true, testPrincipal, + sourceRate, targetRate, bufferingMs); + ASSERT_TRUE(ais); + + DispatchFunction([&] { ais->Start(); }); + RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent()); + EXPECT_TRUE(stream->mHasInput); + EXPECT_FALSE(stream->mHasOutput); + EXPECT_EQ(stream->InputChannels(), channels); + + Unused << WaitFor(stream->FramesProcessedEvent()); + + DispatchFunction([&] { stream->ForceDeviceChanged(); }); + WaitFor(stream->DeviceChangeForcedEvent()); + + DispatchFunction([&] { ais->Stop(); }); + Unused << WaitFor(cubeb->StreamDestroyEvent()); + + ais = nullptr; // Drop the SharedThreadPool here. +} |