37c3201057
Improved performance (less memory copying, less spin waiting, etc.) - uses less CPU at normal speed, and faster when no FPS limit
66 lines
No EOL
1.4 KiB
C++
66 lines
No EOL
1.4 KiB
C++
#pragma once
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#include "stdafx.h"
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#include <thread>
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using std::thread;
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#include "../Utilities/SimpleLock.h"
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#include "../Utilities/AutoResetEvent.h"
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#include "EmulationSettings.h"
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#include "HdNesPack.h"
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class IRenderingDevice;
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class VideoDecoder
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{
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private:
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static unique_ptr<VideoDecoder> Instance;
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IRenderingDevice* _renderer;
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uint16_t *_ppuOutputBuffer = nullptr;
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HdPpuPixelInfo *_hdScreenTiles = nullptr;
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unique_ptr<thread> _decodeThread;
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unique_ptr<thread> _renderThread;
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OverscanDimensions _overscan;
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uint32_t* _frameBuffer = nullptr;
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SimpleLock _screenshotLock;
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AutoResetEvent _waitForFrame;
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AutoResetEvent _waitForRender;
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bool _isHD = false;
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atomic<bool> _frameChanged = false;
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atomic<bool> _stopFlag = false;
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uint32_t _frameCount = 0;
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unique_ptr<HdNesPack> _hdNesPack = nullptr;
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uint32_t _hdScale = 1;
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uint32_t ProcessIntensifyBits(uint16_t ppuPixel);
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void UpdateBufferSize();
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void DecodeThread();
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void RenderThread();
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public:
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static VideoDecoder* GetInstance();
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VideoDecoder();
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~VideoDecoder();
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void DecodeFrame();
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void TakeScreenshot(string romFilename);
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uint32_t GetScale();
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uint32_t GetFrameCount();
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void DebugDecodeFrame(uint16_t* inputBuffer, uint32_t* outputBuffer, uint32_t length);
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bool UpdateFrame(void* frameBuffer, HdPpuPixelInfo *screenTiles = nullptr);
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void StartThread();
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void StopThread();
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void RegisterRenderingDevice(IRenderingDevice *renderer);
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}; |