099a1b3b44
-Fixed DMC $4011 write behavior -Fixed period for square channels -Removed blip_buffer & blip_synth. Replaced with blip_buf and SoundMixer - now have non-linear sound mixing. -Fixes all sound-related tests (apu_mixer (dmc, noise, square, triangle) and volume_tests
35 lines
662 B
C++
35 lines
662 B
C++
#pragma once
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#include "stdafx.h"
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#include "EmulationSettings.h"
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#include "../BlipBuffer/blip_buf.h"
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class SoundMixer
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{
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private:
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int16_t _previousOutput = 0;
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vector<uint32_t> _timestamps;
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int8_t _channelOutput[5][15000];
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int8_t _currentOutput[5];
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int16_t _lupSquare[31];
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int16_t _lupTnd[203];
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blip_t* _blipBuf;
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int16_t *_outputBuffer;
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double _volumes[5];
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void InitializeLookupTables();
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int16_t GetOutputVolume();
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void EndFrame(uint32_t time);
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public:
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SoundMixer();
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~SoundMixer();
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void SetNesModel(NesModel model);
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void Reset();
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void PlayAudioBuffer(uint32_t cycle);
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void AddDelta(AudioChannel channel, uint32_t time, int8_t output);
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};
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