| /* | 
 |  *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. | 
 |  * | 
 |  *  Use of this source code is governed by a BSD-style license | 
 |  *  that can be found in the LICENSE file in the root of the source | 
 |  *  tree. An additional intellectual property rights grant can be found | 
 |  *  in the file PATENTS.  All contributing project authors may | 
 |  *  be found in the AUTHORS file in the root of the source tree. | 
 |  */ | 
 |  | 
 | #ifndef MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_FACTORY_H_ | 
 | #define MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_FACTORY_H_ | 
 |  | 
 | #include "modules/audio_device/include/audio_device.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | // Creates an AudioDeviceModule (ADM) for Windows based on the Core Audio API. | 
 | // The creating thread must be a COM thread; otherwise nullptr will be returned. | 
 | // Example (assuming webrtc namespace): | 
 | // | 
 | //  public: | 
 | //   rtc::scoped_refptr<AudioDeviceModule> CreateAudioDevice() { | 
 | //     // Tell COM that this thread shall live in the MTA. | 
 | //     com_initializer_ = absl::make_unique<webrtc_win::ScopedCOMInitializer>( | 
 | //         webrtc_win::ScopedCOMInitializer::kMTA); | 
 | //     if (!com_initializer_->Succeeded()) { | 
 | //       return nullptr; | 
 | //     } | 
 | //     return CreateWindowsCoreAudioAudioDeviceModule(); | 
 | //   } | 
 | // | 
 | //   private: | 
 | //    std::unique_ptr<webrtc_win::ScopedCOMInitializer> com_initializer_; | 
 | // | 
 | rtc::scoped_refptr<AudioDeviceModule> CreateWindowsCoreAudioAudioDeviceModule(); | 
 |  | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  //  MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_FACTORY_H_ |