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_NOISE_SUPPRESSION_IMPL_H_ 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_NOISE_SUPPRESSION_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 NoiseSuppressionImpl : public NoiseSuppression, 23 public ProcessingComponent { 24 public: 25 NoiseSuppressionImpl(const AudioProcessing* apm, 26 CriticalSectionWrapper* crit); 27 virtual ~NoiseSuppressionImpl(); 28 29 int AnalyzeCaptureAudio(AudioBuffer* audio); 30 int ProcessCaptureAudio(AudioBuffer* audio); 31 32 // NoiseSuppression implementation. 33 bool is_enabled() const override; 34 float speech_probability() const override; 35 Level level() const override; 36 37 private: 38 // NoiseSuppression implementation. 39 int Enable(bool enable) override; 40 int set_level(Level level) override; 41 42 // ProcessingComponent implementation. 43 void* CreateHandle() const override; 44 int InitializeHandle(void* handle) const override; 45 int ConfigureHandle(void* handle) const override; 46 void DestroyHandle(void* handle) const override; 47 int num_handles_required() const override; 48 int GetHandleError(void* handle) const override; 49 50 const AudioProcessing* apm_; 51 CriticalSectionWrapper* crit_; 52 Level level_; 53 }; 54 55 } // namespace webrtc 56 57 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_NOISE_SUPPRESSION_IMPL_H_ 58