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https://github.com/SourMesen/Mesen-S.git
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206214ce2b
Improves sound - blip_buf was altering the audio output quite a bit compared to the DSP's raw output
45 lines
922 B
C++
45 lines
922 B
C++
#pragma once
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#include "stdafx.h"
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#include "../Utilities/stb_vorbis.h"
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#include "../Utilities/HermiteResampler.h"
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class PcmReader
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{
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private:
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static constexpr int PcmSampleRate = 44100;
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static constexpr int SamplesToRead = 100;
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int16_t* _outputBuffer;
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ifstream _file;
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uint32_t _fileOffset;
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uint32_t _fileSize;
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uint32_t _loopOffset;
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int16_t _prevLeft;
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int16_t _prevRight;
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bool _loop;
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bool _done;
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HermiteResampler _resampler;
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vector<int16_t> _pcmBuffer;
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uint32_t _leftoverSampleCount = 0;
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uint32_t _sampleRate;
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void LoadSamples(uint32_t samplesToLoad);
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void ReadSample(int16_t &left, int16_t &right);
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public:
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PcmReader();
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~PcmReader();
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bool Init(string filename, bool loop, uint32_t startOffset = 0);
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bool IsPlaybackOver();
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void SetSampleRate(uint32_t sampleRate);
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void SetLoopFlag(bool loop);
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void ApplySamples(int16_t* buffer, size_t sampleCount, uint8_t volume);
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uint32_t GetOffset();
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};
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