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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 <cmath> | 7 #include <cmath> |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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193 DCHECK(!capture_thread_.get()); | 193 DCHECK(!capture_thread_.get()); |
194 capture_thread_.reset(new base::DelegateSimpleThread( | 194 capture_thread_.reset(new base::DelegateSimpleThread( |
195 this, "wasapi_capture_thread", | 195 this, "wasapi_capture_thread", |
196 base::SimpleThread::Options(base::ThreadPriority::REALTIME_AUDIO))); | 196 base::SimpleThread::Options(base::ThreadPriority::REALTIME_AUDIO))); |
197 capture_thread_->Start(); | 197 capture_thread_->Start(); |
198 | 198 |
199 // Start streaming data between the endpoint buffer and the audio engine. | 199 // Start streaming data between the endpoint buffer and the audio engine. |
200 HRESULT hr = audio_client_->Start(); | 200 HRESULT hr = audio_client_->Start(); |
201 DLOG_IF(ERROR, FAILED(hr)) << "Failed to start input streaming."; | 201 DLOG_IF(ERROR, FAILED(hr)) << "Failed to start input streaming."; |
202 | 202 |
203 if (SUCCEEDED(hr) && audio_render_client_for_loopback_.get()) | 203 if (SUCCEEDED(hr) && audio_render_client_for_loopback_.Get()) |
204 hr = audio_render_client_for_loopback_->Start(); | 204 hr = audio_render_client_for_loopback_->Start(); |
205 | 205 |
206 started_ = SUCCEEDED(hr); | 206 started_ = SUCCEEDED(hr); |
207 } | 207 } |
208 | 208 |
209 void WASAPIAudioInputStream::Stop() { | 209 void WASAPIAudioInputStream::Stop() { |
210 DCHECK(CalledOnValidThread()); | 210 DCHECK(CalledOnValidThread()); |
211 DVLOG(1) << "WASAPIAudioInputStream::Stop()"; | 211 DVLOG(1) << "WASAPIAudioInputStream::Stop()"; |
212 if (!started_) | 212 if (!started_) |
213 return; | 213 return; |
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501 } | 501 } |
502 | 502 |
503 void WASAPIAudioInputStream::HandleError(HRESULT err) { | 503 void WASAPIAudioInputStream::HandleError(HRESULT err) { |
504 NOTREACHED() << "Error code: " << err; | 504 NOTREACHED() << "Error code: " << err; |
505 if (sink_) | 505 if (sink_) |
506 sink_->OnError(this); | 506 sink_->OnError(this); |
507 } | 507 } |
508 | 508 |
509 HRESULT WASAPIAudioInputStream::SetCaptureDevice() { | 509 HRESULT WASAPIAudioInputStream::SetCaptureDevice() { |
510 DCHECK_EQ(OPEN_RESULT_OK, open_result_); | 510 DCHECK_EQ(OPEN_RESULT_OK, open_result_); |
511 DCHECK(!endpoint_device_.get()); | 511 DCHECK(!endpoint_device_.Get()); |
512 | 512 |
513 ScopedComPtr<IMMDeviceEnumerator> enumerator; | 513 ScopedComPtr<IMMDeviceEnumerator> enumerator; |
514 HRESULT hr = enumerator.CreateInstance(__uuidof(MMDeviceEnumerator), NULL, | 514 HRESULT hr = enumerator.CreateInstance(__uuidof(MMDeviceEnumerator), NULL, |
515 CLSCTX_INPROC_SERVER); | 515 CLSCTX_INPROC_SERVER); |
516 if (FAILED(hr)) { | 516 if (FAILED(hr)) { |
517 open_result_ = OPEN_RESULT_CREATE_INSTANCE; | 517 open_result_ = OPEN_RESULT_CREATE_INSTANCE; |
518 return hr; | 518 return hr; |
519 } | 519 } |
520 | 520 |
521 // Retrieve the IMMDevice by using the specified role or the specified | 521 // Retrieve the IMMDevice by using the specified role or the specified |
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828 OPEN_RESULT_MAX + 1); | 828 OPEN_RESULT_MAX + 1); |
829 } | 829 } |
830 | 830 |
831 double WASAPIAudioInputStream::ProvideInput(AudioBus* audio_bus, | 831 double WASAPIAudioInputStream::ProvideInput(AudioBus* audio_bus, |
832 uint32_t frames_delayed) { | 832 uint32_t frames_delayed) { |
833 fifo_->Consume()->CopyTo(audio_bus); | 833 fifo_->Consume()->CopyTo(audio_bus); |
834 return 1.0; | 834 return 1.0; |
835 } | 835 } |
836 | 836 |
837 } // namespace media | 837 } // namespace media |
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