80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
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//
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// libtgvoip is free and unencumbered public domain software.
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// For more information, see http://unlicense.org or the UNLICENSE file
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// you should have received with this source code distribution.
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//
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#ifndef LIBTGVOIP_ECHOCANCELLER_H
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#define LIBTGVOIP_ECHOCANCELLER_H
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#include "threading.h"
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#include "Buffers.h"
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#include "BlockingQueue.h"
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#include "MediaStreamItf.h"
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namespace tgvoip{
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class EchoCanceller{
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public:
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EchoCanceller(bool enableAEC, bool enableNS, bool enableAGC);
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virtual ~EchoCanceller();
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virtual void Start();
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virtual void Stop();
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void SpeakerOutCallback(unsigned char* data, size_t len);
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void Enable(bool enabled);
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void ProcessInput(unsigned char* data, unsigned char* out, size_t len);
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void SetAECStrength(int strength);
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private:
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bool enableAEC;
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bool enableAGC;
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bool enableNS;
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bool isOn;
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#ifndef TGVOIP_NO_DSP
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void RunBufferFarendThread(void* arg);
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bool didBufferFarend;
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Mutex aecMutex;
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void* aec;
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void* splittingFilter; // webrtc::SplittingFilter
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void* splittingFilterIn; // webrtc::IFChannelBuffer
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void* splittingFilterOut; // webrtc::IFChannelBuffer
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void* splittingFilterFarend; // webrtc::SplittingFilter
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void* splittingFilterFarendIn; // webrtc::IFChannelBuffer
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void* splittingFilterFarendOut; // webrtc::IFChannelBuffer
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Thread* bufferFarendThread;
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BlockingQueue<int16_t*>* farendQueue;
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BufferPool* farendBufferPool;
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bool running;
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void* ns; // NsxHandle
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void* agc;
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int32_t agcMicLevel;
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//int32_t outstandingFarendFrames=0;
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#endif
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};
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class AudioEffect{
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public:
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virtual ~AudioEffect()=0;
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virtual void Process(int16_t* inOut, size_t numSamples)=0;
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virtual void SetPassThrough(bool passThrough);
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protected:
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bool passThrough;
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};
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class AutomaticGainControl : public AudioEffect{
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public:
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AutomaticGainControl();
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virtual ~AutomaticGainControl();
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virtual void Process(int16_t* inOut, size_t numSamples);
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private:
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void* agc;
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void* splittingFilter;
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void* splittingFilterIn;
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void* splittingFilterOut;
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int32_t agcMicLevel;
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};
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};
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#endif //LIBTGVOIP_ECHOCANCELLER_H
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