1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ 13 14 #include "webrtc/modules/audio_processing/include/audio_processing.h" 15 #include "webrtc/modules/audio_processing/processing_component.h" 16 17 namespace webrtc { 18 19 class AudioBuffer; 20 class CriticalSectionWrapper; 21 22 class HighPassFilterImpl : public HighPassFilter, 23 public ProcessingComponent { 24 public: 25 HighPassFilterImpl(const AudioProcessing* apm, CriticalSectionWrapper* crit); 26 virtual ~HighPassFilterImpl(); 27 28 int ProcessCaptureAudio(AudioBuffer* audio); 29 30 // HighPassFilter implementation. 31 virtual bool is_enabled() const OVERRIDE; 32 33 private: 34 // HighPassFilter implementation. 35 virtual int Enable(bool enable) OVERRIDE; 36 37 // ProcessingComponent implementation. 38 virtual void* CreateHandle() const OVERRIDE; 39 virtual int InitializeHandle(void* handle) const OVERRIDE; 40 virtual int ConfigureHandle(void* handle) const OVERRIDE; 41 virtual void DestroyHandle(void* handle) const OVERRIDE; 42 virtual int num_handles_required() const OVERRIDE; 43 virtual int GetHandleError(void* handle) const OVERRIDE; 44 45 const AudioProcessing* apm_; 46 CriticalSectionWrapper* crit_; 47 }; 48 } // namespace webrtc 49 50 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ 51