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121 lines
3 KiB
C++
121 lines
3 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "EmulationSettings.h"
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#include "../Utilities/LowPassFilter.h"
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#include "../Utilities/blip_buf.h"
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#include "../Utilities/SimpleLock.h"
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#include "IAudioDevice.h"
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#include "Snapshotable.h"
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#include "StereoPanningFilter.h"
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#include "StereoDelayFilter.h"
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#include "StereoCombFilter.h"
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#include "ReverbFilter.h"
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#include "CrossFeedFilter.h"
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class Console;
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class WaveRecorder;
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class OggMixer;
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namespace orfanidis_eq {
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class freq_grid;
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class eq1;
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}
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class SoundMixer : public Snapshotable
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{
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public:
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static constexpr uint32_t CycleLength = 10000;
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static constexpr uint32_t BitsPerSample = 16;
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private:
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static constexpr uint32_t MaxSampleRate = 96000;
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static constexpr uint32_t MaxSamplesPerFrame = MaxSampleRate / 60 * 4 * 2; //x4 to allow CPU overclocking up to 10x, x2 for panning stereo
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static constexpr uint32_t MaxChannelCount = 11;
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IAudioDevice* _audioDevice;
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EmulationSettings* _settings;
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shared_ptr<WaveRecorder> _waveRecorder;
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double _fadeRatio;
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uint32_t _muteFrameCount;
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unique_ptr<OggMixer> _oggMixer;
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unique_ptr<orfanidis_eq::freq_grid> _eqFrequencyGrid;
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unique_ptr<orfanidis_eq::eq1> _equalizerLeft;
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unique_ptr<orfanidis_eq::eq1> _equalizerRight;
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shared_ptr<Console> _console;
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CrossFeedFilter _crossFeedFilter;
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LowPassFilter _lowPassFilter;
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StereoPanningFilter _stereoPanning;
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StereoDelayFilter _stereoDelay;
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StereoCombFilter _stereoCombFilter;
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ReverbFilter _reverbFilter;
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int16_t _previousOutputLeft = 0;
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int16_t _previousOutputRight = 0;
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double _rateAdjustment = 1.0;
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int32_t _underTarget = 0;
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vector<uint32_t> _timestamps;
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int16_t _channelOutput[MaxChannelCount][CycleLength];
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int16_t _currentOutput[MaxChannelCount];
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blip_t* _blipBufLeft;
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blip_t* _blipBufRight;
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int16_t *_outputBuffer;
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double _volumes[MaxChannelCount];
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double _panning[MaxChannelCount];
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NesModel _model;
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uint32_t _sampleRate;
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uint32_t _clockRate;
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bool _hasPanning;
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double _previousTargetRate;
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double GetChannelOutput(AudioChannel channel, bool forRightChannel);
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int16_t GetOutputVolume(bool forRightChannel);
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void EndFrame(uint32_t time);
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void UpdateRates(bool forceUpdate);
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void UpdateEqualizers(bool forceUpdate);
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void ApplyEqualizer(orfanidis_eq::eq1* equalizer, size_t sampleCount);
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double GetTargetRateAdjustment();
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void UpdateTargetSampleRate();
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protected:
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virtual void StreamState(bool saving) override;
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public:
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SoundMixer(shared_ptr<Console> console);
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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, int16_t delta);
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void StartRecording(string filepath);
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void StopRecording();
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bool IsRecording();
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//For NSF/NSFe
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uint32_t GetMuteFrameCount();
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void ResetMuteFrameCount();
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void SetFadeRatio(double fadeRatio);
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void StopAudio(bool clearBuffer = false);
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void RegisterAudioDevice(IAudioDevice *audioDevice);
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OggMixer* GetOggMixer();
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AudioStatistics GetStatistics();
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void ProcessEndOfFrame();
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double GetRateAdjustment();
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};
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