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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/memory/scoped_ptr.h" | 5 #include "base/memory/scoped_ptr.h" |
6 #include "content/renderer/media/audio_device_factory.h" | 6 #include "content/renderer/media/audio_device_factory.h" |
7 #include "content/renderer/media/audio_renderer_mixer_manager.h" | 7 #include "content/renderer/media/audio_renderer_mixer_manager.h" |
8 #include "media/base/audio_renderer_mixer.h" | 8 #include "media/base/audio_renderer_mixer.h" |
9 #include "media/base/audio_renderer_mixer_input.h" | 9 #include "media/base/audio_renderer_mixer_input.h" |
10 #include "media/base/fake_audio_render_callback.h" | 10 #include "media/base/fake_audio_render_callback.h" |
11 #include "media/base/mock_audio_renderer_sink.h" | 11 #include "media/base/mock_audio_renderer_sink.h" |
12 #include "testing/gmock/include/gmock/gmock.h" | 12 #include "testing/gmock/include/gmock/gmock.h" |
13 #include "testing/gtest/include/gtest/gtest.h" | 13 #include "testing/gtest/include/gtest/gtest.h" |
14 | 14 |
15 namespace content { | 15 namespace content { |
16 | 16 |
17 static const int kBitsPerChannel = 16; | 17 static const int kBitsPerChannel = 16; |
18 static const int kSampleRate = 48000; | 18 static const int kSampleRate = 48000; |
19 static const int kBufferSize = 8192; | 19 static const int kBufferSize = 8192; |
20 static const ChannelLayout kChannelLayout = CHANNEL_LAYOUT_STEREO; | 20 static const ChannelLayout kChannelLayout = CHANNEL_LAYOUT_STEREO; |
| 21 static const int kRenderViewId = -2; |
21 | 22 |
22 // By sub-classing AudioDeviceFactory we've overridden the factory to use our | 23 // By sub-classing AudioDeviceFactory we've overridden the factory to use our |
23 // CreateAudioDevice() method globally. | 24 // CreateAudioDevice() method globally. |
24 class MockAudioRenderSinkFactory : public AudioDeviceFactory { | 25 class MockAudioRenderSinkFactory : public AudioDeviceFactory { |
25 public: | 26 public: |
26 MockAudioRenderSinkFactory() {} | 27 MockAudioRenderSinkFactory() {} |
27 virtual ~MockAudioRenderSinkFactory() {} | 28 virtual ~MockAudioRenderSinkFactory() {} |
28 | 29 |
29 protected: | 30 protected: |
30 virtual media::MockAudioRendererSink* CreateOutputDevice() OVERRIDE { | 31 virtual media::MockAudioRendererSink* CreateOutputDevice( |
| 32 int render_view_id) OVERRIDE { |
31 media::MockAudioRendererSink* sink = new media::MockAudioRendererSink(); | 33 media::MockAudioRendererSink* sink = new media::MockAudioRendererSink(); |
32 EXPECT_CALL(*sink, Start()); | 34 EXPECT_CALL(*sink, Start()); |
33 EXPECT_CALL(*sink, Stop()); | 35 EXPECT_CALL(*sink, Stop()); |
34 return sink; | 36 return sink; |
35 } | 37 } |
36 | 38 |
37 virtual media::AudioInputDevice* CreateInputDevice() OVERRIDE { | 39 virtual media::AudioInputDevice* CreateInputDevice() OVERRIDE { |
38 ADD_FAILURE(); | 40 ADD_FAILURE(); |
39 return NULL; | 41 return NULL; |
40 } | 42 } |
41 | 43 |
42 DISALLOW_COPY_AND_ASSIGN(MockAudioRenderSinkFactory); | 44 DISALLOW_COPY_AND_ASSIGN(MockAudioRenderSinkFactory); |
43 }; | 45 }; |
44 | 46 |
45 class AudioRendererMixerManagerTest : public testing::Test { | 47 class AudioRendererMixerManagerTest : public testing::Test { |
46 public: | 48 public: |
47 AudioRendererMixerManagerTest() { | 49 AudioRendererMixerManagerTest() { |
48 // We don't want to deal with instantiating a real AudioOutputDevice since | 50 // We don't want to deal with instantiating a real AudioOutputDevice since |
49 // it's not important to our testing, so use a mock AudioDeviceFactory. | 51 // it's not important to our testing, so use a mock AudioDeviceFactory. |
50 mock_sink_factory_.reset(new MockAudioRenderSinkFactory()); | 52 mock_sink_factory_.reset(new MockAudioRenderSinkFactory()); |
51 manager_.reset(new AudioRendererMixerManager(kSampleRate, kBufferSize)); | 53 manager_.reset(new AudioRendererMixerManager(kSampleRate, kBufferSize)); |
52 } | 54 } |
53 | 55 |
54 media::AudioRendererMixer* GetMixer(const media::AudioParameters& params) { | 56 media::AudioRendererMixer* GetMixer(const media::AudioParameters& params) { |
55 return manager_->GetMixer(params); | 57 return manager_->GetMixer(kRenderViewId, params); |
56 } | 58 } |
57 | 59 |
58 void RemoveMixer(const media::AudioParameters& params) { | 60 void RemoveMixer(const media::AudioParameters& params) { |
59 return manager_->RemoveMixer(params); | 61 return manager_->RemoveMixer(params); |
60 } | 62 } |
61 | 63 |
62 // Number of instantiated mixers. | 64 // Number of instantiated mixers. |
63 int mixer_count() { | 65 int mixer_count() { |
64 return manager_->mixers_.size(); | 66 return manager_->mixers_.size(); |
65 } | 67 } |
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112 | 114 |
113 // Verify CreateInput() provides AudioRendererMixerInput with the appropriate | 115 // Verify CreateInput() provides AudioRendererMixerInput with the appropriate |
114 // callbacks and they are working as expected. | 116 // callbacks and they are working as expected. |
115 TEST_F(AudioRendererMixerManagerTest, CreateInput) { | 117 TEST_F(AudioRendererMixerManagerTest, CreateInput) { |
116 media::AudioParameters params( | 118 media::AudioParameters params( |
117 media::AudioParameters::AUDIO_PCM_LINEAR, kChannelLayout, kSampleRate, | 119 media::AudioParameters::AUDIO_PCM_LINEAR, kChannelLayout, kSampleRate, |
118 kBitsPerChannel, kBufferSize); | 120 kBitsPerChannel, kBufferSize); |
119 | 121 |
120 // Create a mixer input and ensure it doesn't instantiate a mixer yet. | 122 // Create a mixer input and ensure it doesn't instantiate a mixer yet. |
121 EXPECT_EQ(mixer_count(), 0); | 123 EXPECT_EQ(mixer_count(), 0); |
122 scoped_refptr<media::AudioRendererMixerInput> input(manager_->CreateInput()); | 124 scoped_refptr<media::AudioRendererMixerInput> input( |
| 125 manager_->CreateInput(kRenderViewId)); |
123 EXPECT_EQ(mixer_count(), 0); | 126 EXPECT_EQ(mixer_count(), 0); |
124 | 127 |
125 // Implicitly test that AudioRendererMixerInput was provided with the expected | 128 // Implicitly test that AudioRendererMixerInput was provided with the expected |
126 // callbacks needed to acquire an AudioRendererMixer and remove it. | 129 // callbacks needed to acquire an AudioRendererMixer and remove it. |
127 media::FakeAudioRenderCallback callback(0); | 130 media::FakeAudioRenderCallback callback(0); |
128 input->Initialize(params, &callback); | 131 input->Initialize(params, &callback); |
129 EXPECT_EQ(mixer_count(), 1); | 132 EXPECT_EQ(mixer_count(), 1); |
130 | 133 |
131 // Destroying the input should destroy the mixer. | 134 // Destroying the input should destroy the mixer. |
132 input = NULL; | 135 input = NULL; |
133 EXPECT_EQ(mixer_count(), 0); | 136 EXPECT_EQ(mixer_count(), 0); |
134 } | 137 } |
135 | 138 |
136 } // namespace content | 139 } // namespace content |
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