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102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include <QAbstractVideoSurface>
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#include <QCamera>
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#include <QCameraViewfinderSettings>
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#include <QImage>
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#include <QMutex>
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#include "citra_qt/camera/camera_util.h"
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#include "citra_qt/camera/qt_camera_base.h"
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#include "core/frontend/camera/interface.h"
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class GMainWindow;
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namespace Camera {
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class QtCameraSurface final : public QAbstractVideoSurface {
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public:
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QList<QVideoFrame::PixelFormat> supportedPixelFormats(
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QAbstractVideoBuffer::HandleType) const override;
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bool present(const QVideoFrame&) override;
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private:
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QMutex mutex;
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QImage current_frame;
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friend class QtMultimediaCamera; // For access to current_frame
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};
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class QtMultimediaCameraHandler;
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/// This class is only an interface. It just calls QtMultimediaCameraHandler.
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class QtMultimediaCamera final : public QtCameraInterface {
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public:
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QtMultimediaCamera(const std::string& camera_name, const Service::CAM::Flip& flip);
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~QtMultimediaCamera();
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void StartCapture() override;
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void StopCapture() override;
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void SetFrameRate(Service::CAM::FrameRate frame_rate) override;
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QImage QtReceiveFrame() override;
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bool IsPreviewAvailable() override;
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private:
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std::shared_ptr<QtMultimediaCameraHandler> handler;
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};
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class QtMultimediaCameraFactory final : public QtCameraFactory {
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public:
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std::unique_ptr<CameraInterface> Create(const std::string& config,
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const Service::CAM::Flip& flip) override;
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};
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class QtMultimediaCameraHandler final : public QObject {
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Q_OBJECT
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public:
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/// Creates the global handler. Must be called in UI thread.
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static void Init();
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static std::shared_ptr<QtMultimediaCameraHandler> GetHandler(const std::string& camera_name);
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static void ReleaseHandler(const std::shared_ptr<QtMultimediaCameraHandler>& handler);
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/**
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* Creates the camera.
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* Note: This function must be called via QMetaObject::invokeMethod in UI thread.
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*/
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Q_INVOKABLE void CreateCamera(const std::string& camera_name);
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/**
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* Starts the camera.
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* Note: This function must be called via QMetaObject::invokeMethod in UI thread when
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* starting the camera for the first time. 'Resume' calls can be in other threads.
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*/
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Q_INVOKABLE void StartCamera();
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void StopCamera();
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bool CameraAvailable() const;
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static void StopCameras();
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static void ResumeCameras();
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static void ReleaseHandlers();
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private:
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std::unique_ptr<QCamera> camera;
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QtCameraSurface camera_surface{};
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QCameraViewfinderSettings settings;
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bool started = false;
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static std::array<std::shared_ptr<QtMultimediaCameraHandler>, 3> handlers;
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static std::array<bool, 3> status;
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static std::unordered_map<std::string, std::shared_ptr<QtMultimediaCameraHandler>> loaded;
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friend class QtMultimediaCamera; // For access to camera_surface (and camera)
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};
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} // namespace Camera
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