| /* | 
 |  *  Copyright 2004 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 WEBRTC_SOUND_SOUNDSYSTEMFACTORY_H_ | 
 | #define WEBRTC_SOUND_SOUNDSYSTEMFACTORY_H_ | 
 |  | 
 | #include "webrtc/base/referencecountedsingletonfactory.h" | 
 |  | 
 | namespace rtc { | 
 |  | 
 | class SoundSystemInterface; | 
 |  | 
 | typedef rtc::ReferenceCountedSingletonFactory<SoundSystemInterface> | 
 |     SoundSystemFactory; | 
 |  | 
 | typedef rtc::rcsf_ptr<SoundSystemInterface> SoundSystemHandle; | 
 |  | 
 | }  // namespace rtc | 
 |  | 
 | #endif  // WEBRTC_SOUND_SOUNDSYSTEMFACTORY_H_ |