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