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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "content/renderer/media/renderer_webaudiodevice_impl.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "content/renderer/media/audio_device_factory.h" |
| 9 #include "media/base/audio_capturer_source.h" |
| 10 #include "media/base/mock_audio_renderer_sink.h" |
| 11 #include "testing/gmock/include/gmock/gmock.h" |
| 12 #include "testing/gtest/include/gtest/gtest.h" |
| 13 |
| 14 using testing::_; |
| 15 |
| 16 namespace content { |
| 17 |
| 18 namespace { |
| 19 |
| 20 const int kHardwareSampleRate = 44100; |
| 21 const int kHardwareBufferSize = 128; |
| 22 const int kRenderFrameId = 100; |
| 23 |
| 24 int MockFrameIdFromCurrentContext() { |
| 25 return kRenderFrameId; |
| 26 } |
| 27 |
| 28 media::AudioParameters MockGetOutputDeviceParameters( |
| 29 int frame_id, |
| 30 int session_id, |
| 31 const std::string& device_id, |
| 32 const url::Origin& security_origin) { |
| 33 return media::AudioParameters(media::AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| 34 media::CHANNEL_LAYOUT_STEREO, |
| 35 kHardwareSampleRate, 16, kHardwareBufferSize); |
| 36 } |
| 37 |
| 38 class RendererWebAudioDeviceImplUnderTest : public RendererWebAudioDeviceImpl { |
| 39 public: |
| 40 RendererWebAudioDeviceImplUnderTest( |
| 41 media::ChannelLayout layout, |
| 42 const blink::WebAudioLatencyHint& latency_hint, |
| 43 blink::WebAudioDevice::RenderCallback* callback, |
| 44 int session_id, |
| 45 const url::Origin& security_origin) |
| 46 : RendererWebAudioDeviceImpl(layout, |
| 47 latency_hint, |
| 48 callback, |
| 49 session_id, |
| 50 security_origin, |
| 51 base::Bind(&MockGetOutputDeviceParameters), |
| 52 base::Bind(&MockFrameIdFromCurrentContext)) { |
| 53 } |
| 54 }; |
| 55 |
| 56 } // namespace |
| 57 |
| 58 class RendererWebAudioDeviceImplTest |
| 59 : public blink::WebAudioDevice::RenderCallback, |
| 60 public AudioDeviceFactory, |
| 61 public testing::Test { |
| 62 public: |
| 63 MOCK_METHOD3(render, |
| 64 void(const blink::WebVector<float*>& sourceData, |
| 65 const blink::WebVector<float*>& destinationData, |
| 66 size_t numberOfFrames)); |
| 67 |
| 68 protected: |
| 69 RendererWebAudioDeviceImplTest() {} |
| 70 |
| 71 void SetupDevice(blink::WebAudioLatencyHint latencyHint) { |
| 72 webaudio_device_.reset(new RendererWebAudioDeviceImplUnderTest( |
| 73 media::CHANNEL_LAYOUT_MONO, latencyHint, this, 0, url::Origin())); |
| 74 } |
| 75 |
| 76 MOCK_METHOD1(CreateAudioCapturerSource, |
| 77 scoped_refptr<media::AudioCapturerSource>(int)); |
| 78 MOCK_METHOD4(CreateFinalAudioRendererSink, |
| 79 scoped_refptr<media::AudioRendererSink>(int, |
| 80 int, |
| 81 const std::string&, |
| 82 const url::Origin&)); |
| 83 MOCK_METHOD5( |
| 84 CreateSwitchableAudioRendererSink, |
| 85 scoped_refptr<media::SwitchableAudioRendererSink>(SourceType, |
| 86 int, |
| 87 int, |
| 88 const std::string&, |
| 89 const url::Origin&)); |
| 90 |
| 91 scoped_refptr<media::AudioRendererSink> CreateAudioRendererSink( |
| 92 SourceType source_type, |
| 93 int render_frame_id, |
| 94 int session_id, |
| 95 const std::string& device_id, |
| 96 const url::Origin& security_origin) { |
| 97 mock_sink_ = new media::MockAudioRendererSink( |
| 98 device_id, media::OUTPUT_DEVICE_STATUS_OK, |
| 99 MockGetOutputDeviceParameters(render_frame_id, session_id, device_id, |
| 100 security_origin)); |
| 101 |
| 102 EXPECT_CALL(*mock_sink_.get(), Start()); |
| 103 EXPECT_CALL(*mock_sink_.get(), Play()); |
| 104 EXPECT_CALL(*mock_sink_.get(), Stop()); |
| 105 |
| 106 return mock_sink_; |
| 107 } |
| 108 |
| 109 void TearDown() override { |
| 110 webaudio_device_.reset(); |
| 111 mock_sink_ = nullptr; |
| 112 } |
| 113 |
| 114 std::unique_ptr<RendererWebAudioDeviceImpl> webaudio_device_; |
| 115 scoped_refptr<media::MockAudioRendererSink> mock_sink_; |
| 116 }; |
| 117 |
| 118 TEST_F(RendererWebAudioDeviceImplTest, TestLatencyHintValues) { |
| 119 blink::WebAudioLatencyHint interactiveLatencyHint( |
| 120 blink::WebAudioLatencyHint::CategoryInteractive); |
| 121 int interactiveBufferSize = |
| 122 media::AudioLatency::GetInteractiveBufferSize(kHardwareBufferSize); |
| 123 SetupDevice(interactiveLatencyHint); |
| 124 |
| 125 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 126 EXPECT_EQ(webaudio_device_->framesPerBuffer(), interactiveBufferSize); |
| 127 |
| 128 webaudio_device_->start(); |
| 129 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 130 EXPECT_EQ(webaudio_device_->framesPerBuffer(), interactiveBufferSize); |
| 131 |
| 132 webaudio_device_->stop(); |
| 133 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 134 EXPECT_EQ(webaudio_device_->framesPerBuffer(), interactiveBufferSize); |
| 135 |
| 136 webaudio_device_->start(); |
| 137 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 138 EXPECT_EQ(webaudio_device_->framesPerBuffer(), interactiveBufferSize); |
| 139 |
| 140 webaudio_device_->stop(); |
| 141 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 142 EXPECT_EQ(webaudio_device_->framesPerBuffer(), interactiveBufferSize); |
| 143 |
| 144 blink::WebAudioLatencyHint balancedLatencyHint( |
| 145 blink::WebAudioLatencyHint::CategoryBalanced); |
| 146 int balancedBufferSize = media::AudioLatency::GetRtcBufferSize( |
| 147 kHardwareSampleRate, kHardwareBufferSize); |
| 148 SetupDevice(balancedLatencyHint); |
| 149 |
| 150 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 151 EXPECT_EQ(webaudio_device_->framesPerBuffer(), balancedBufferSize); |
| 152 |
| 153 webaudio_device_->start(); |
| 154 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 155 EXPECT_EQ(webaudio_device_->framesPerBuffer(), balancedBufferSize); |
| 156 |
| 157 webaudio_device_->stop(); |
| 158 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 159 EXPECT_EQ(webaudio_device_->framesPerBuffer(), balancedBufferSize); |
| 160 |
| 161 webaudio_device_->start(); |
| 162 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 163 EXPECT_EQ(webaudio_device_->framesPerBuffer(), balancedBufferSize); |
| 164 |
| 165 webaudio_device_->stop(); |
| 166 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 167 EXPECT_EQ(webaudio_device_->framesPerBuffer(), balancedBufferSize); |
| 168 |
| 169 blink::WebAudioLatencyHint playbackLatencyHint( |
| 170 blink::WebAudioLatencyHint::CategoryPlayback); |
| 171 int playbackBufferSize = media::AudioLatency::GetHighLatencyBufferSize( |
| 172 kHardwareSampleRate, kHardwareBufferSize); |
| 173 SetupDevice(playbackLatencyHint); |
| 174 |
| 175 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 176 EXPECT_EQ(webaudio_device_->framesPerBuffer(), playbackBufferSize); |
| 177 |
| 178 webaudio_device_->start(); |
| 179 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 180 EXPECT_EQ(webaudio_device_->framesPerBuffer(), playbackBufferSize); |
| 181 |
| 182 webaudio_device_->stop(); |
| 183 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 184 EXPECT_EQ(webaudio_device_->framesPerBuffer(), playbackBufferSize); |
| 185 |
| 186 webaudio_device_->start(); |
| 187 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 188 EXPECT_EQ(webaudio_device_->framesPerBuffer(), playbackBufferSize); |
| 189 |
| 190 webaudio_device_->stop(); |
| 191 EXPECT_EQ(webaudio_device_->sampleRate(), kHardwareSampleRate); |
| 192 EXPECT_EQ(webaudio_device_->framesPerBuffer(), playbackBufferSize); |
| 193 |
| 194 EXPECT_GE(playbackBufferSize, balancedBufferSize); |
| 195 EXPECT_GE(balancedBufferSize, interactiveBufferSize); |
| 196 } |
| 197 |
| 198 } // namespace content |
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