1b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* 2b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 4b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Use of this source code is governed by a BSD-style license 5b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * that can be found in the LICENSE file in the root of the source 6b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * tree. An additional intellectual property rights grant can be found 7b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * in the file PATENTS. All contributing project authors may 8b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * be found in the AUTHORS file in the root of the source tree. 9b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */ 10b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 11b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#ifndef WEBRTC_VOICE_ENGINE_LEVEL_INDICATOR_H 12b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#define WEBRTC_VOICE_ENGINE_LEVEL_INDICATOR_H 13b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 14471ae72f18e7b23a96b245dbd508386fe139449cpbos@webrtc.org#include "webrtc/typedefs.h" 15471ae72f18e7b23a96b245dbd508386fe139449cpbos@webrtc.org#include "webrtc/voice_engine/voice_engine_defines.h" 16b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 17b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgnamespace webrtc { 18b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 19b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgclass AudioFrame; 20c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.orgclass CriticalSectionWrapper; 21b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgnamespace voe { 22b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 23b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgclass AudioLevel 24b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org{ 25b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgpublic: 26b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org AudioLevel(); 27b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org virtual ~AudioLevel(); 28b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 29c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org // Called on "API thread(s)" from APIs like VoEBase::CreateChannel(), 30c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org // VoEBase::StopSend(), VoEVolumeControl::GetSpeechOutputLevel(). 3154f03bc96c30337a3a97af7262cfb5148063b162pbos@webrtc.org int8_t Level() const; 3254f03bc96c30337a3a97af7262cfb5148063b162pbos@webrtc.org int16_t LevelFullRange() const; 33b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org void Clear(); 34b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 35c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org // Called on a native capture audio thread (platform dependent) from the 36c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org // AudioTransport::RecordedDataIsAvailable() callback. 37c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org // In Chrome, this method is called on the AudioInputDevice thread. 38c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org void ComputeLevel(const AudioFrame& audioFrame); 39c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org 40b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgprivate: 41b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org enum { kUpdateFrequency = 10}; 42b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 43c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org CriticalSectionWrapper& _critSect; 44c4efe714edbc05d8332d9c301a73cb3a1397dc06henrika@webrtc.org 4554f03bc96c30337a3a97af7262cfb5148063b162pbos@webrtc.org int16_t _absMax; 4654f03bc96c30337a3a97af7262cfb5148063b162pbos@webrtc.org int16_t _count; 4754f03bc96c30337a3a97af7262cfb5148063b162pbos@webrtc.org int8_t _currentLevel; 4854f03bc96c30337a3a97af7262cfb5148063b162pbos@webrtc.org int16_t _currentLevelFullRange; 49b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org}; 50b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 51b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org} // namespace voe 52b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 53b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org} // namespace webrtc 54b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 55b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#endif // WEBRTC_VOICE_ENGINE_LEVEL_INDICATOR_H 56