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| 1 // Copyright 2013 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 "media/audio/audio_parameters.h" | |
| 6 #include "media/base/fake_audio_render_callback.h" | |
| 7 #include "media/base/mock_audio_renderer_sink.h" | |
| 8 #include "testing/gmock/include/gmock/gmock.h" | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 #include "third_party/WebKit/public/web/WebAudioSourceProviderClient.h" | |
| 11 #include "webkit/renderer/media/webaudiosourceprovider_impl.h" | |
| 12 | |
| 13 namespace webkit_media { | |
| 14 | |
| 15 namespace { | |
| 16 const float kTestVolume = 0.25; | |
| 17 } // namespace | |
| 18 | |
| 19 class WebAudioSourceProviderImplTest | |
| 20 : public testing::Test, | |
| 21 public WebKit::WebAudioSourceProviderClient { | |
| 22 public: | |
| 23 WebAudioSourceProviderImplTest() | |
| 24 : params_(media::AudioParameters::AUDIO_PCM_LINEAR, | |
| 25 media::CHANNEL_LAYOUT_STEREO, 48000, 16, 64), | |
| 26 fake_callback_(0.1), | |
| 27 mock_sink_(new media::MockAudioRendererSink()), | |
| 28 wasp_impl_(new WebAudioSourceProviderImpl(mock_sink_)) { | |
| 29 } | |
| 30 | |
| 31 virtual ~WebAudioSourceProviderImplTest() {} | |
| 32 | |
| 33 void CallAllSinkMethodsAndVerify(bool verify) { | |
| 34 testing::InSequence s; | |
| 35 | |
| 36 EXPECT_CALL(*mock_sink_.get(), Start()).Times(verify); | |
| 37 wasp_impl_->Start(); | |
| 38 | |
| 39 EXPECT_CALL(*mock_sink_.get(), Play()).Times(verify); | |
| 40 wasp_impl_->Play(); | |
| 41 | |
| 42 EXPECT_CALL(*mock_sink_.get(), Pause()).Times(verify); | |
| 43 wasp_impl_->Pause(); | |
| 44 | |
| 45 EXPECT_CALL(*mock_sink_.get(), SetVolume(kTestVolume)).Times(verify); | |
| 46 wasp_impl_->SetVolume(kTestVolume); | |
| 47 | |
| 48 EXPECT_CALL(*mock_sink_.get(), Stop()).Times(verify); | |
| 49 wasp_impl_->Stop(); | |
| 50 | |
| 51 testing::Mock::VerifyAndClear(mock_sink_.get()); | |
| 52 } | |
| 53 | |
| 54 void SetClient(WebKit::WebAudioSourceProviderClient* client) { | |
| 55 testing::InSequence s; | |
| 56 | |
| 57 if (client) { | |
| 58 EXPECT_CALL(*mock_sink_.get(), Stop()); | |
| 59 EXPECT_CALL(*this, setFormat(params_.channels(), params_.sample_rate())); | |
| 60 } | |
| 61 wasp_impl_->setClient(client); | |
| 62 | |
| 63 testing::Mock::VerifyAndClear(mock_sink_.get()); | |
| 64 testing::Mock::VerifyAndClear(this); | |
| 65 } | |
| 66 | |
| 67 bool CompareBusses(const media::AudioBus* bus1, const media::AudioBus* bus2) { | |
| 68 EXPECT_EQ(bus1->channels(), bus2->channels()); | |
| 69 EXPECT_EQ(bus1->frames(), bus2->frames()); | |
| 70 for (int ch = 0; ch < bus1->channels(); ++ch) { | |
| 71 if (memcmp(bus1->channel(ch), bus2->channel(ch), | |
| 72 sizeof(*bus1->channel(ch)) * bus1->frames()) != 0) { | |
| 73 return false; | |
| 74 } | |
| 75 } | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 // WebKit::WebAudioSourceProviderClient implementation. | |
| 80 MOCK_METHOD2(setFormat, void(size_t numberOfChannels, float sampleRate)); | |
| 81 | |
| 82 protected: | |
| 83 media::AudioParameters params_; | |
| 84 media::FakeAudioRenderCallback fake_callback_; | |
| 85 scoped_refptr<media::MockAudioRendererSink> mock_sink_; | |
| 86 scoped_refptr<WebAudioSourceProviderImpl> wasp_impl_; | |
| 87 | |
| 88 DISALLOW_COPY_AND_ASSIGN(WebAudioSourceProviderImplTest); | |
| 89 }; | |
| 90 | |
| 91 TEST_F(WebAudioSourceProviderImplTest, SetClientBeforeInitialize) { | |
| 92 // setClient() with a NULL client should do nothing if no client is set. | |
| 93 wasp_impl_->setClient(NULL); | |
| 94 | |
| 95 EXPECT_CALL(*mock_sink_.get(), Stop()); | |
| 96 wasp_impl_->setClient(this); | |
| 97 | |
| 98 // When Initialize() is called after setClient(), the params should propagate | |
| 99 // to the client via setFormat() during the call. | |
| 100 EXPECT_CALL(*this, setFormat(params_.channels(), params_.sample_rate())); | |
| 101 wasp_impl_->Initialize(params_, &fake_callback_); | |
| 102 | |
| 103 // setClient() with the same client should do nothing. | |
| 104 wasp_impl_->setClient(this); | |
| 105 } | |
| 106 | |
| 107 // Verify AudioRendererSink functionality w/ and w/o a client. | |
| 108 TEST_F(WebAudioSourceProviderImplTest, SinkMethods) { | |
| 109 wasp_impl_->Initialize(params_, &fake_callback_); | |
| 110 ASSERT_EQ(mock_sink_->callback(), &fake_callback_); | |
| 111 | |
| 112 // Without a client all WASP calls should fall through to the underlying sink. | |
| 113 CallAllSinkMethodsAndVerify(true); | |
| 114 | |
| 115 // With a client no calls should reach the Stop()'d sink. Also, setClient() | |
| 116 // should propagate the params provided during Initialize() at call time. | |
| 117 SetClient(this); | |
| 118 CallAllSinkMethodsAndVerify(false); | |
| 119 | |
| 120 // Removing the client should cause WASP to revert to the underlying sink. | |
| 121 EXPECT_CALL(*mock_sink_.get(), SetVolume(kTestVolume)); | |
| 122 SetClient(NULL); | |
| 123 CallAllSinkMethodsAndVerify(true); | |
| 124 } | |
| 125 | |
| 126 // Verify underlying sink state is restored after client removal. | |
| 127 TEST_F(WebAudioSourceProviderImplTest, SinkStateRestored) { | |
| 128 wasp_impl_->Initialize(params_, &fake_callback_); | |
| 129 | |
| 130 // Verify state set before the client is set propagates back afterward. | |
| 131 EXPECT_CALL(*mock_sink_.get(), Start()); | |
| 132 wasp_impl_->Start(); | |
| 133 SetClient(this); | |
| 134 | |
| 135 EXPECT_CALL(*mock_sink_.get(), SetVolume(1.0)); | |
| 136 EXPECT_CALL(*mock_sink_.get(), Start()); | |
| 137 SetClient(NULL); | |
| 138 | |
| 139 // Verify state set while the client was attached propagates back afterward. | |
| 140 SetClient(this); | |
| 141 wasp_impl_->Play(); | |
| 142 wasp_impl_->SetVolume(kTestVolume); | |
| 143 | |
| 144 EXPECT_CALL(*mock_sink_.get(), SetVolume(kTestVolume)); | |
| 145 EXPECT_CALL(*mock_sink_.get(), Start()); | |
| 146 EXPECT_CALL(*mock_sink_.get(), Play()); | |
| 147 SetClient(NULL); | |
| 148 } | |
| 149 | |
| 150 // Test the AudioRendererSink state machine and its effects on provideInput(). | |
| 151 TEST_F(WebAudioSourceProviderImplTest, ProvideInput) { | |
| 152 scoped_ptr<media::AudioBus> bus1 = media::AudioBus::Create(params_); | |
| 153 scoped_ptr<media::AudioBus> bus2 = media::AudioBus::Create(params_); | |
| 154 | |
| 155 // Point the WebVector into memory owned by |bus1|. | |
| 156 WebKit::WebVector<float*> audio_data(static_cast<size_t>(bus1->channels())); | |
| 157 for (size_t i = 0; i < audio_data.size(); ++i) | |
| 158 audio_data[i] = bus1->channel(i); | |
| 159 | |
| 160 // Verify provideInput() works before Initialize() and returns silence. | |
| 161 bus1->channel(0)[0] = 1; | |
| 162 bus2->Zero(); | |
| 163 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 164 ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get())); | |
| 165 | |
| 166 wasp_impl_->Initialize(params_, &fake_callback_); | |
| 167 SetClient(this); | |
| 168 | |
| 169 // Verify provideInput() is muted prior to Start() and no calls to the render | |
| 170 // callback have occurred. | |
| 171 bus1->channel(0)[0] = 1; | |
| 172 bus2->Zero(); | |
| 173 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 174 ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get())); | |
| 175 ASSERT_EQ(fake_callback_.last_audio_delay_milliseconds(), -1); | |
| 176 | |
| 177 wasp_impl_->Start(); | |
| 178 | |
| 179 // Ditto for Play(). | |
| 180 bus1->channel(0)[0] = 1; | |
| 181 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 182 ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get())); | |
| 183 ASSERT_EQ(fake_callback_.last_audio_delay_milliseconds(), -1); | |
| 184 | |
| 185 wasp_impl_->Play(); | |
| 186 | |
| 187 // Now we should get real audio data. | |
| 188 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 189 ASSERT_FALSE(CompareBusses(bus1.get(), bus2.get())); | |
| 190 | |
| 191 // Ensure volume adjustment is working. | |
| 192 fake_callback_.reset(); | |
| 193 fake_callback_.Render(bus2.get(), 0); | |
| 194 bus2->Scale(kTestVolume); | |
| 195 | |
| 196 fake_callback_.reset(); | |
| 197 wasp_impl_->SetVolume(kTestVolume); | |
| 198 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 199 ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get())); | |
| 200 | |
| 201 // Pause should return to silence. | |
| 202 wasp_impl_->Pause(); | |
| 203 bus1->channel(0)[0] = 1; | |
| 204 bus2->Zero(); | |
| 205 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 206 ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get())); | |
| 207 | |
| 208 wasp_impl_->Play(); | |
| 209 | |
| 210 // Play should return real audio data again... | |
| 211 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 212 ASSERT_FALSE(CompareBusses(bus1.get(), bus2.get())); | |
| 213 | |
| 214 // Stop() should return silence. | |
| 215 wasp_impl_->Stop(); | |
| 216 bus1->channel(0)[0] = 1; | |
| 217 wasp_impl_->provideInput(audio_data, params_.frames_per_buffer()); | |
| 218 ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get())); | |
| 219 } | |
| 220 | |
| 221 } // namespace webkit_media | |
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Chromium Code Reviews
Issue 18123002:
Migrate webkit/renderer/media/ to content/renderer/media/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src