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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_ECHOCANCELLER_H
#define LIBTGVOIP_ECHOCANCELLER_H
#include "threading.h"
#include "Buffers.h"
#include "BlockingQueue.h"
#include "MediaStreamItf.h"
#include "utils.h"
namespace webrtc{
class AudioProcessing;
class AudioFrame;
}
namespace tgvoip{
class EchoCanceller{
public:
TGVOIP_DISALLOW_COPY_AND_ASSIGN(EchoCanceller);
EchoCanceller(bool enableAEC, bool enableNS, bool enableAGC);
virtual ~EchoCanceller();
virtual void Start();
virtual void Stop();
void SpeakerOutCallback(unsigned char* data, size_t len);
void Enable(bool enabled);
void ProcessInput(int16_t* inOut, size_t numSamples, bool& hasVoice);
void SetAECStrength(int strength);
void SetVoiceDetectionEnabled(bool enabled);
private:
bool enableAEC;
bool enableAGC;
bool enableNS;
bool enableVAD=false;
bool isOn;
#ifndef TGVOIP_NO_DSP
webrtc::AudioProcessing* apm=NULL;
webrtc::AudioFrame* audioFrame=NULL;
void RunBufferFarendThread();
bool didBufferFarend;
Thread* bufferFarendThread;
BlockingQueue<int16_t*>* farendQueue;
BufferPool* farendBufferPool;
bool running;
#endif
};
namespace effects{
class AudioEffect{
public:
virtual ~AudioEffect()=0;
virtual void Process(int16_t* inOut, size_t numSamples)=0;
virtual void SetPassThrough(bool passThrough);
protected:
bool passThrough=false;
};
class Volume : public AudioEffect{
public:
Volume();
virtual ~Volume();
virtual void Process(int16_t* inOut, size_t numSamples);
/**
* Level is (0.0, 2.0]
*/
void SetLevel(float level);
float GetLevel();
private:
float level=1.0f;
float multiplier=1.0f;
};
}
}
#endif //LIBTGVOIP_ECHOCANCELLER_H
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