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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 "media/audio/win/audio_low_latency_input_win.h" | 5 #include "media/audio/win/audio_low_latency_input_win.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 #include <mmsystem.h> | 8 #include <mmsystem.h> |
| 9 #include <stddef.h> | 9 #include <stddef.h> |
| 10 #include <stdint.h> | 10 #include <stdint.h> |
| 11 | 11 |
| 12 #include <memory> | 12 #include <memory> |
| 13 | 13 |
| 14 #include "base/environment.h" | 14 #include "base/environment.h" |
| 15 #include "base/files/file_util.h" | 15 #include "base/files/file_util.h" |
| 16 #include "base/macros.h" | 16 #include "base/macros.h" |
| 17 #include "base/message_loop/message_loop.h" | 17 #include "base/message_loop/message_loop.h" |
| 18 #include "base/path_service.h" | 18 #include "base/path_service.h" |
| 19 #include "base/test/test_timeouts.h" | 19 #include "base/test/test_timeouts.h" |
| 20 #include "base/win/scoped_com_initializer.h" | 20 #include "base/win/scoped_com_initializer.h" |
| 21 #include "media/audio/audio_device_description.h" |
| 21 #include "media/audio/audio_io.h" | 22 #include "media/audio/audio_io.h" |
| 22 #include "media/audio/audio_manager_base.h" | 23 #include "media/audio/audio_manager.h" |
| 23 #include "media/audio/audio_unittest_util.h" | 24 #include "media/audio/audio_unittest_util.h" |
| 24 #include "media/audio/win/core_audio_util_win.h" | 25 #include "media/audio/win/core_audio_util_win.h" |
| 25 #include "media/base/seekable_buffer.h" | 26 #include "media/base/seekable_buffer.h" |
| 26 #include "testing/gmock/include/gmock/gmock.h" | 27 #include "testing/gmock/include/gmock/gmock.h" |
| 27 #include "testing/gtest/include/gtest/gtest.h" | 28 #include "testing/gtest/include/gtest/gtest.h" |
| 28 | 29 |
| 29 using ::testing::_; | 30 using ::testing::_; |
| 30 using ::testing::AnyNumber; | 31 using ::testing::AnyNumber; |
| 31 using ::testing::AtLeast; | 32 using ::testing::AtLeast; |
| 32 using ::testing::Gt; | 33 using ::testing::Gt; |
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| 162 return CoreAudioUtil::IsSupported() && audio_man->HasAudioInputDevices(); | 163 return CoreAudioUtil::IsSupported() && audio_man->HasAudioInputDevices(); |
| 163 } | 164 } |
| 164 | 165 |
| 165 // Convenience method which creates a default AudioInputStream object but | 166 // Convenience method which creates a default AudioInputStream object but |
| 166 // also allows the user to modify the default settings. | 167 // also allows the user to modify the default settings. |
| 167 class AudioInputStreamWrapper { | 168 class AudioInputStreamWrapper { |
| 168 public: | 169 public: |
| 169 explicit AudioInputStreamWrapper(AudioManager* audio_manager) | 170 explicit AudioInputStreamWrapper(AudioManager* audio_manager) |
| 170 : audio_man_(audio_manager) { | 171 : audio_man_(audio_manager) { |
| 171 EXPECT_TRUE(SUCCEEDED(CoreAudioUtil::GetPreferredAudioParameters( | 172 EXPECT_TRUE(SUCCEEDED(CoreAudioUtil::GetPreferredAudioParameters( |
| 172 AudioManagerBase::kDefaultDeviceId, false, &default_params_))); | 173 AudioDeviceDescription::kDefaultDeviceId, false, &default_params_))); |
| 173 EXPECT_EQ(format(), AudioParameters::AUDIO_PCM_LOW_LATENCY); | 174 EXPECT_EQ(format(), AudioParameters::AUDIO_PCM_LOW_LATENCY); |
| 174 frames_per_buffer_ = default_params_.frames_per_buffer(); | 175 frames_per_buffer_ = default_params_.frames_per_buffer(); |
| 175 } | 176 } |
| 176 | 177 |
| 177 ~AudioInputStreamWrapper() {} | 178 ~AudioInputStreamWrapper() {} |
| 178 | 179 |
| 179 // Creates AudioInputStream object using default parameters. | 180 // Creates AudioInputStream object using default parameters. |
| 180 AudioInputStream* Create() { | 181 AudioInputStream* Create() { |
| 181 return CreateInputStream(); | 182 return CreateInputStream(); |
| 182 } | 183 } |
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| 194 } | 195 } |
| 195 int bits_per_sample() const { return default_params_.bits_per_sample(); } | 196 int bits_per_sample() const { return default_params_.bits_per_sample(); } |
| 196 int sample_rate() const { return default_params_.sample_rate(); } | 197 int sample_rate() const { return default_params_.sample_rate(); } |
| 197 int frames_per_buffer() const { return frames_per_buffer_; } | 198 int frames_per_buffer() const { return frames_per_buffer_; } |
| 198 | 199 |
| 199 private: | 200 private: |
| 200 AudioInputStream* CreateInputStream() { | 201 AudioInputStream* CreateInputStream() { |
| 201 AudioParameters params = default_params_; | 202 AudioParameters params = default_params_; |
| 202 params.set_frames_per_buffer(frames_per_buffer_); | 203 params.set_frames_per_buffer(frames_per_buffer_); |
| 203 AudioInputStream* ais = audio_man_->MakeAudioInputStream( | 204 AudioInputStream* ais = audio_man_->MakeAudioInputStream( |
| 204 params, AudioManagerBase::kDefaultDeviceId); | 205 params, AudioDeviceDescription::kDefaultDeviceId); |
| 205 EXPECT_TRUE(ais); | 206 EXPECT_TRUE(ais); |
| 206 return ais; | 207 return ais; |
| 207 } | 208 } |
| 208 | 209 |
| 209 AudioManager* audio_man_; | 210 AudioManager* audio_man_; |
| 210 AudioParameters default_params_; | 211 AudioParameters default_params_; |
| 211 int frames_per_buffer_; | 212 int frames_per_buffer_; |
| 212 }; | 213 }; |
| 213 | 214 |
| 214 // Convenience method which creates a default AudioInputStream object. | 215 // Convenience method which creates a default AudioInputStream object. |
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| 423 ais->Stop(); | 424 ais->Stop(); |
| 424 ais.Close(); | 425 ais.Close(); |
| 425 } | 426 } |
| 426 | 427 |
| 427 // Test that we can capture a stream in loopback. | 428 // Test that we can capture a stream in loopback. |
| 428 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamLoopback) { | 429 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamLoopback) { |
| 429 ABORT_AUDIO_TEST_IF_NOT(audio_manager_->HasAudioOutputDevices() && | 430 ABORT_AUDIO_TEST_IF_NOT(audio_manager_->HasAudioOutputDevices() && |
| 430 CoreAudioUtil::IsSupported()); | 431 CoreAudioUtil::IsSupported()); |
| 431 | 432 |
| 432 AudioParameters params = audio_manager_->GetInputStreamParameters( | 433 AudioParameters params = audio_manager_->GetInputStreamParameters( |
| 433 AudioManagerBase::kLoopbackInputDeviceId); | 434 AudioDeviceDescription::kLoopbackInputDeviceId); |
| 434 EXPECT_EQ(params.effects(), 0); | 435 EXPECT_EQ(params.effects(), 0); |
| 435 | 436 |
| 436 AudioParameters output_params = | 437 AudioParameters output_params = |
| 437 audio_manager_->GetOutputStreamParameters(std::string()); | 438 audio_manager_->GetOutputStreamParameters(std::string()); |
| 438 EXPECT_EQ(params.sample_rate(), output_params.sample_rate()); | 439 EXPECT_EQ(params.sample_rate(), output_params.sample_rate()); |
| 439 EXPECT_EQ(params.channel_layout(), output_params.channel_layout()); | 440 EXPECT_EQ(params.channel_layout(), output_params.channel_layout()); |
| 440 | 441 |
| 441 ScopedAudioInputStream stream(audio_manager_->MakeAudioInputStream( | 442 ScopedAudioInputStream stream(audio_manager_->MakeAudioInputStream( |
| 442 params, AudioManagerBase::kLoopbackInputDeviceId)); | 443 params, AudioDeviceDescription::kLoopbackInputDeviceId)); |
| 443 ASSERT_TRUE(stream->Open()); | 444 ASSERT_TRUE(stream->Open()); |
| 444 FakeAudioInputCallback sink; | 445 FakeAudioInputCallback sink; |
| 445 stream->Start(&sink); | 446 stream->Start(&sink); |
| 446 ASSERT_FALSE(sink.error()); | 447 ASSERT_FALSE(sink.error()); |
| 447 | 448 |
| 448 sink.WaitForData(); | 449 sink.WaitForData(); |
| 449 stream.Close(); | 450 stream.Close(); |
| 450 | 451 |
| 451 EXPECT_GT(sink.num_received_audio_frames(), 0); | 452 EXPECT_GT(sink.num_received_audio_frames(), 0); |
| 452 EXPECT_FALSE(sink.error()); | 453 EXPECT_FALSE(sink.error()); |
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| 474 WriteToFileAudioSink file_sink(file_name, aisw.bits_per_sample()); | 475 WriteToFileAudioSink file_sink(file_name, aisw.bits_per_sample()); |
| 475 VLOG(0) << ">> Speak into the default microphone while recording."; | 476 VLOG(0) << ">> Speak into the default microphone while recording."; |
| 476 ais->Start(&file_sink); | 477 ais->Start(&file_sink); |
| 477 base::PlatformThread::Sleep(TestTimeouts::action_timeout()); | 478 base::PlatformThread::Sleep(TestTimeouts::action_timeout()); |
| 478 ais->Stop(); | 479 ais->Stop(); |
| 479 VLOG(0) << ">> Recording has stopped."; | 480 VLOG(0) << ">> Recording has stopped."; |
| 480 ais.Close(); | 481 ais.Close(); |
| 481 } | 482 } |
| 482 | 483 |
| 483 } // namespace media | 484 } // namespace media |
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