Repo created

TMessagesProj/jni/voip/libtgvoip/EchoCanceller.h

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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