dolphin/Source/Core/AudioCommon/AudioStretcher.h

29 lines
646 B
C++

// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <soundtouch/SoundTouch.h>
namespace AudioCommon
{
class AudioStretcher
{
public:
explicit AudioStretcher(unsigned int sample_rate);
void ProcessSamples(const short* in, unsigned int num_in, unsigned int num_out);
void GetStretchedSamples(short* out, unsigned int num_out);
void Clear();
private:
unsigned int m_sample_rate;
std::array<short, 2> m_last_stretched_sample = {};
soundtouch::SoundTouch m_sound_touch;
double m_stretch_ratio = 1.0;
};
} // namespace AudioCommon