| /* | 
 |  *  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 API_AUDIO_ECHO_CANCELLER3_FACTORY_H_ | 
 | #define API_AUDIO_ECHO_CANCELLER3_FACTORY_H_ | 
 |  | 
 | #include <memory> | 
 |  | 
 | #include "api/audio/echo_canceller3_config.h" | 
 | #include "api/audio/echo_control.h" | 
 | #include "rtc_base/system/rtc_export.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | class RTC_EXPORT EchoCanceller3Factory : public EchoControlFactory { | 
 |  public: | 
 |   // Factory producing EchoCanceller3 instances with the default configuration. | 
 |   EchoCanceller3Factory(); | 
 |  | 
 |   // Factory producing EchoCanceller3 instances with the specified | 
 |   // configuration. | 
 |   explicit EchoCanceller3Factory(const EchoCanceller3Config& config); | 
 |  | 
 |   // Creates an EchoCanceller3 with a specified channel count and sampling rate. | 
 |   std::unique_ptr<EchoControl> Create(int sample_rate_hz, | 
 |                                       int num_render_channels, | 
 |                                       int num_capture_channels) override; | 
 |  | 
 |  private: | 
 |   const EchoCanceller3Config config_; | 
 | }; | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  // API_AUDIO_ECHO_CANCELLER3_FACTORY_H_ |