1e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent/* 2e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * 4e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * Use of this source code is governed by a BSD-style license 5e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * that can be found in the LICENSE file in the root of the source 6e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * tree. An additional intellectual property rights grant can be found 7e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * in the file PATENTS. All contributing project authors may 8e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent * be found in the AUTHORS file in the root of the source tree. 9e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent */ 10e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 11e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_LEVEL_ESTIMATOR_IMPL_H_ 12e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent#define WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_LEVEL_ESTIMATOR_IMPL_H_ 13e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 14e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent#include "audio_processing.h" 15e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent#include "processing_component.h" 16e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 17e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurentnamespace webrtc { 18e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurentclass AudioProcessingImpl; 19e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurentclass AudioBuffer; 20e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 21e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurentclass LevelEstimatorImpl : public LevelEstimator, 22e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent public ProcessingComponent { 23e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent public: 24e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent explicit LevelEstimatorImpl(const AudioProcessingImpl* apm); 25e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual ~LevelEstimatorImpl(); 26e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 27c55a96383497a772a307b346368133960b02ad03Eric Laurent int ProcessStream(AudioBuffer* audio); 28e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 29e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent // LevelEstimator implementation. 30e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual bool is_enabled() const; 31e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 32e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent // ProcessingComponent implementation. 33e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int get_version(char* version, int version_len_bytes) const; 34e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 35e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent private: 36e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent // LevelEstimator implementation. 37e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int Enable(bool enable); 38c55a96383497a772a307b346368133960b02ad03Eric Laurent virtual int RMS(); 39e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 40e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent // ProcessingComponent implementation. 41e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual void* CreateHandle() const; 42e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int InitializeHandle(void* handle) const; 43e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int ConfigureHandle(void* handle) const; 44e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int DestroyHandle(void* handle) const; 45e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int num_handles_required() const; 46e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent virtual int GetHandleError(void* handle) const; 47e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 48e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent const AudioProcessingImpl* apm_; 49e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent}; 50e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent} // namespace webrtc 51e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent 52e48d5845c8b35de2ab73ea055c18a61fa3a9f0beEric Laurent#endif // WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_LEVEL_ESTIMATOR_IMPL_H_ 53