libcamera/libcamera.git - libcamera official repository

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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * main_window.h - qcam - Main application window */ #ifndef __QCAM_MAIN_WINDOW_H__ #define __QCAM_MAIN_WINDOW_H__ #include <memory> #include <vector> #include <QElapsedTimer> #include <QIcon> #include <QMainWindow> #include <QMutex> #include <QObject> #include <QQueue> #include <QTimer> #include <libcamera/buffer.h> #include <libcamera/camera.h> #include <libcamera/camera_manager.h> #include <libcamera/controls.h> #include <libcamera/framebuffer_allocator.h> #include <libcamera/request.h> #include <libcamera/stream.h> #include "../cam/stream_options.h" #include "viewfinder.h" using namespace libcamera; class QAction; class QComboBox; class HotplugEvent; enum { OptCamera = 'c', OptHelp = 'h', OptRenderer = 'r', OptStream = 's', OptVerbose = 'v', }; class MainWindow : public QMainWindow { Q_OBJECT public: MainWindow(CameraManager *cm, const OptionsParser::Options &options); ~MainWindow(); bool event(QEvent *e) override; private Q_SLOTS: void quit(); void updateTitle(); void switchCamera(int index); void toggleCapture(bool start); void saveImageAs(); void captureRaw(); void processRaw(FrameBuffer *buffer, const ControlList &metadata); void queueRequest(FrameBuffer *buffer); private: int createToolbars(); std::string chooseCamera(); int openCamera(); int startCapture(); void stopCapture(); void addCamera(std::shared_ptr<Camera> camera); void removeCamera(std::shared_ptr<Camera> camera); void requestComplete(Request *request); void processCapture(); void processHotplug(HotplugEvent *e); void processViewfinder(FrameBuffer *buffer); /* UI elements */ QToolBar *toolbar_; QAction *startStopAction_; QComboBox *cameraCombo_; QAction *saveRaw_; ViewFinder *viewfinder_; QIcon iconPlay_; QIcon iconStop_; QString title_; QTimer titleTimer_; /* Options */ const OptionsParser::Options &options_; /* Camera manager, camera, configuration and buffers */ CameraManager *cm_; std::shared_ptr<Camera> camera_; FrameBufferAllocator *allocator_; std::unique_ptr<CameraConfiguration> config_; std::map<FrameBuffer *, MappedBuffer> mappedBuffers_; /* Capture state, buffers queue and statistics */ bool isCapturing_; bool captureRaw_; Stream *vfStream_; Stream *rawStream_; std::map<const Stream *, QQueue<FrameBuffer *>> freeBuffers_; QQueue<Request *> doneQueue_; QQueue<Request *> freeQueue_; QMutex mutex_; /* Protects freeBuffers_, doneQueue_, and freeQueue_ */ uint64_t lastBufferTime_; QElapsedTimer frameRateInterval_; uint32_t previousFrames_; uint32_t framesCaptured_; std::vector<std::unique_ptr<Request>> requests_; }; #endif /* __QCAM_MAIN_WINDOW__ */


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