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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 "remoting/host/audio_capturer_win.h" | 5 #include "remoting/host/audio_capturer_win.h" |
| 6 | 6 |
| 7 #include <avrt.h> | 7 #include <avrt.h> |
| 8 #include <mmreg.h> | 8 #include <mmreg.h> |
| 9 #include <mmsystem.h> | 9 #include <mmsystem.h> |
| 10 #include <objbase.h> |
| 10 #include <stdint.h> | 11 #include <stdint.h> |
| 11 #include <stdlib.h> | 12 #include <stdlib.h> |
| 12 #include <windows.h> | 13 #include <windows.h> |
| 13 | 14 |
| 14 #include <algorithm> | 15 #include <algorithm> |
| 15 #include <utility> | 16 #include <utility> |
| 16 | 17 |
| 17 #include "base/logging.h" | 18 #include "base/logging.h" |
| 18 #include "base/memory/ptr_util.h" | 19 #include "base/memory/ptr_util.h" |
| 19 #include "base/synchronization/lock.h" | 20 #include "base/synchronization/lock.h" |
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| 117 mm_device_.Receive()); | 118 mm_device_.Receive()); |
| 118 if (FAILED(hr)) { | 119 if (FAILED(hr)) { |
| 119 LOG(ERROR) << "Failed to get IMMDevice. Error " << hr; | 120 LOG(ERROR) << "Failed to get IMMDevice. Error " << hr; |
| 120 return false; | 121 return false; |
| 121 } | 122 } |
| 122 | 123 |
| 123 // Get an audio client. | 124 // Get an audio client. |
| 124 hr = mm_device_->Activate(__uuidof(IAudioClient), | 125 hr = mm_device_->Activate(__uuidof(IAudioClient), |
| 125 CLSCTX_ALL, | 126 CLSCTX_ALL, |
| 126 nullptr, | 127 nullptr, |
| 127 audio_client_.ReceiveVoid()); | 128 &audio_client_); |
| 128 if (FAILED(hr)) { | 129 if (FAILED(hr)) { |
| 129 LOG(ERROR) << "Failed to get an IAudioClient. Error " << hr; | 130 LOG(ERROR) << "Failed to get an IAudioClient. Error " << hr; |
| 130 return false; | 131 return false; |
| 131 } | 132 } |
| 132 | 133 |
| 133 REFERENCE_TIME device_period; | 134 REFERENCE_TIME device_period; |
| 134 hr = audio_client_->GetDevicePeriod(&device_period, nullptr); | 135 hr = audio_client_->GetDevicePeriod(&device_period, nullptr); |
| 135 if (FAILED(hr)) { | 136 if (FAILED(hr)) { |
| 136 LOG(ERROR) << "IAudioClient::GetDevicePeriod failed. Error " << hr; | 137 LOG(ERROR) << "IAudioClient::GetDevicePeriod failed. Error " << hr; |
| 137 return false; | 138 return false; |
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| 212 k100nsPerMillisecond, | 213 k100nsPerMillisecond, |
| 213 0, | 214 0, |
| 214 wave_format_ex_, | 215 wave_format_ex_, |
| 215 nullptr); | 216 nullptr); |
| 216 if (FAILED(hr)) { | 217 if (FAILED(hr)) { |
| 217 LOG(ERROR) << "Failed to initialize IAudioClient. Error " << hr; | 218 LOG(ERROR) << "Failed to initialize IAudioClient. Error " << hr; |
| 218 return false; | 219 return false; |
| 219 } | 220 } |
| 220 | 221 |
| 221 // Get an IAudioCaptureClient. | 222 // Get an IAudioCaptureClient. |
| 222 hr = audio_client_->GetService(__uuidof(IAudioCaptureClient), | 223 hr = audio_client_->GetService(IID_PPV_ARGS(&audio_capture_client_)); |
| 223 audio_capture_client_.ReceiveVoid()); | |
| 224 if (FAILED(hr)) { | 224 if (FAILED(hr)) { |
| 225 LOG(ERROR) << "Failed to get an IAudioCaptureClient. Error " << hr; | 225 LOG(ERROR) << "Failed to get an IAudioCaptureClient. Error " << hr; |
| 226 return false; | 226 return false; |
| 227 } | 227 } |
| 228 | 228 |
| 229 // Start the IAudioClient. | 229 // Start the IAudioClient. |
| 230 hr = audio_client_->Start(); | 230 hr = audio_client_->Start(); |
| 231 if (FAILED(hr)) { | 231 if (FAILED(hr)) { |
| 232 LOG(ERROR) << "Failed to start IAudioClient. Error " << hr; | 232 LOG(ERROR) << "Failed to start IAudioClient. Error " << hr; |
| 233 return false; | 233 return false; |
| 234 } | 234 } |
| 235 | 235 |
| 236 // Initialize IAudioEndpointVolume. | 236 // Initialize IAudioEndpointVolume. |
| 237 // TODO(zijiehe): Do we need to control per process volume? | 237 // TODO(zijiehe): Do we need to control per process volume? |
| 238 hr = mm_device_->Activate(__uuidof(IAudioEndpointVolume), CLSCTX_ALL, nullptr, | 238 hr = mm_device_->Activate(__uuidof(IAudioEndpointVolume), CLSCTX_ALL, nullptr, |
| 239 audio_volume_.ReceiveVoid()); | 239 &audio_volume_); |
| 240 if (FAILED(hr)) { | 240 if (FAILED(hr)) { |
| 241 LOG(ERROR) << "Failed to get an IAudioEndpointVolume. Error " << hr; | 241 LOG(ERROR) << "Failed to get an IAudioEndpointVolume. Error " << hr; |
| 242 return false; | 242 return false; |
| 243 } | 243 } |
| 244 | 244 |
| 245 silence_detector_.Reset(sampling_rate_, kChannels); | 245 silence_detector_.Reset(sampling_rate_, kChannels); |
| 246 | 246 |
| 247 return true; | 247 return true; |
| 248 } | 248 } |
| 249 | 249 |
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| 368 | 368 |
| 369 bool AudioCapturer::IsSupported() { | 369 bool AudioCapturer::IsSupported() { |
| 370 return true; | 370 return true; |
| 371 } | 371 } |
| 372 | 372 |
| 373 std::unique_ptr<AudioCapturer> AudioCapturer::Create() { | 373 std::unique_ptr<AudioCapturer> AudioCapturer::Create() { |
| 374 return base::WrapUnique(new AudioCapturerWin()); | 374 return base::WrapUnique(new AudioCapturerWin()); |
| 375 } | 375 } |
| 376 | 376 |
| 377 } // namespace remoting | 377 } // namespace remoting |
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