| /* | 
 |  *  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_NULLSOUNDSYSTEMFACTORY_H_ | 
 | #define WEBRTC_SOUND_NULLSOUNDSYSTEMFACTORY_H_ | 
 |  | 
 | #include "webrtc/sound/soundsystemfactory.h" | 
 |  | 
 | namespace rtc { | 
 |  | 
 | // A SoundSystemFactory that always returns a NullSoundSystem. Intended for | 
 | // testing. | 
 | class NullSoundSystemFactory : public SoundSystemFactory { | 
 |  public: | 
 |   NullSoundSystemFactory(); | 
 |   virtual ~NullSoundSystemFactory(); | 
 |  | 
 |  protected: | 
 |   // Inherited from SoundSystemFactory. | 
 |   virtual bool SetupInstance(); | 
 |   virtual void CleanupInstance(); | 
 | }; | 
 |  | 
 | }  // namespace rtc | 
 |  | 
 | #endif  // WEBRTC_SOUND_NULLSOUNDSYSTEMFACTORY_H_ |