dolphin/Source/Core/AudioCommon/AudioStretcher.h
Pierre Bourdon e149ad4f0a
treewide: convert GPLv2+ license info to SPDX tags
SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.
2021-07-05 04:35:56 +02:00

28 lines
612 B
C++

// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <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