| /* |
| * Copyright (c) 2012 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_MODULES_AUDIO_PROCESSING_LEVEL_ESTIMATOR_IMPL_H_ |
| #define WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_ESTIMATOR_IMPL_H_ |
| |
| #include "audio_processing.h" |
| #include "processing_component.h" |
| |
| namespace webrtc { |
| class AudioProcessingImpl; |
| class AudioBuffer; |
| |
| class LevelEstimatorImpl : public LevelEstimator, |
| public ProcessingComponent { |
| public: |
| explicit LevelEstimatorImpl(const AudioProcessingImpl* apm); |
| virtual ~LevelEstimatorImpl(); |
| |
| int ProcessStream(AudioBuffer* audio); |
| |
| // LevelEstimator implementation. |
| virtual bool is_enabled() const; |
| |
| private: |
| // LevelEstimator implementation. |
| virtual int Enable(bool enable); |
| virtual int RMS(); |
| |
| // ProcessingComponent implementation. |
| virtual void* CreateHandle() const; |
| virtual int InitializeHandle(void* handle) const; |
| virtual int ConfigureHandle(void* handle) const; |
| virtual int DestroyHandle(void* handle) const; |
| virtual int num_handles_required() const; |
| virtual int GetHandleError(void* handle) const; |
| |
| const AudioProcessingImpl* apm_; |
| }; |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_ESTIMATOR_IMPL_H_ |