Mesen-SX/Core/PcmReader.h
2019-11-01 21:15:11 -04:00

43 lines
864 B
C++

#pragma once
#include "stdafx.h"
#include "../Utilities/stb_vorbis.h"
#include "../Utilities/blip_buf.h"
class PcmReader
{
private:
static constexpr int PcmSampleRate = 44100;
static constexpr int SamplesToRead = 100;
int16_t* _outputBuffer;
ifstream _file;
uint32_t _fileOffset;
uint32_t _fileSize;
uint32_t _loopOffset;
int16_t _prevLeft;
int16_t _prevRight;
bool _loop;
bool _done;
blip_t* _blipLeft;
blip_t* _blipRight;
uint32_t _sampleRate = 0;
void LoadSamples(uint32_t samplesToLoad);
void ReadSample(int16_t &left, int16_t &right);
public:
PcmReader();
~PcmReader();
bool Init(string filename, bool loop, uint32_t startOffset = 0);
bool IsPlaybackOver();
void SetSampleRate(uint32_t sampleRate);
void SetLoopFlag(bool loop);
void ApplySamples(int16_t* buffer, size_t sampleCount, uint8_t volume);
uint32_t GetOffset();
};