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38 lines
998 B
C++
38 lines
998 B
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-10-15
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#ifndef _CAPTURE_SURFACE_H_
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#define _CAPTURE_SURFACE_H_
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#include <condition_variable>
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#include <cstdint>
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#include <functional>
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#include <mutex>
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#include <thread>
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#include <native_image/native_image.h>
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namespace crossdesk::harmony {
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// Owns the capture texture and its EGL context on one worker. Some graphics
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// drivers expose GPU-backed capture buffers that cannot be read via mmap.
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class CaptureSurface {
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public:
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using Frame = std::function<void(const uint8_t*, int, int, int)>;
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~CaptureSurface() { Stop(); }
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OHNativeWindow* Start(int width, int height, Frame frame);
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void Stop();
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private:
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void Run(int width, int height, Frame frame);
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std::mutex mutex_;
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std::condition_variable ready_;
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bool prepared_ = false, stopping_ = true;
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unsigned pending_ = 0;
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OHNativeWindow* window_ = nullptr; // Owned by the worker's OH_NativeImage.
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std::thread thread_;
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};
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}
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#endif
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