libcamera/vivid.git - libcamera pipeline handler for VIVID

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


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