Stanislaw Gruszka
a43ea7ff70
In order to remove redundant camera ID lookups and comparisons switch to pointer-based checks when choosing and switching cameras. Co-developed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
134 lines
3.0 KiB
C++
134 lines
3.0 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* qcam - Main application window
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*/
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#pragma once
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#include <memory>
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#include <vector>
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#include <libcamera/camera.h>
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#include <libcamera/camera_manager.h>
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#include <libcamera/controls.h>
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#include <libcamera/framebuffer.h>
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#include <libcamera/framebuffer_allocator.h>
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#include <libcamera/request.h>
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#include <libcamera/stream.h>
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#include <QElapsedTimer>
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#include <QIcon>
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#include <QMainWindow>
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#include <QMutex>
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#include <QObject>
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#include <QPushButton>
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#include <QQueue>
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#include <QTimer>
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#include "../common/stream_options.h"
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#include "viewfinder.h"
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class QAction;
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class CameraSelectorDialog;
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class Image;
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class HotplugEvent;
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enum {
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OptCamera = 'c',
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OptHelp = 'h',
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OptRenderer = 'r',
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OptStream = 's',
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OptVerbose = 'v',
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};
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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MainWindow(libcamera::CameraManager *cm,
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const OptionsParser::Options &options);
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~MainWindow();
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bool event(QEvent *e) override;
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private Q_SLOTS:
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void quit();
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void updateTitle();
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void switchCamera();
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void toggleCapture(bool start);
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void saveImageAs();
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void captureRaw();
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void processRaw(libcamera::FrameBuffer *buffer,
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const libcamera::ControlList &metadata);
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void renderComplete(libcamera::FrameBuffer *buffer);
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private:
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int createToolbars();
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std::shared_ptr<libcamera::Camera> chooseCamera();
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int openCamera();
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int startCapture();
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void stopCapture();
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void addCamera(std::shared_ptr<libcamera::Camera> camera);
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void removeCamera(std::shared_ptr<libcamera::Camera> camera);
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int queueRequest(libcamera::Request *request);
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void requestComplete(libcamera::Request *request);
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void processCapture();
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void processHotplug(HotplugEvent *e);
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void processViewfinder(libcamera::FrameBuffer *buffer);
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/* UI elements */
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QToolBar *toolbar_;
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QAction *startStopAction_;
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QPushButton *cameraSelectButton_;
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QAction *saveRaw_;
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ViewFinder *viewfinder_;
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QIcon iconPlay_;
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QIcon iconStop_;
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QString title_;
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QTimer titleTimer_;
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CameraSelectorDialog *cameraSelectorDialog_;
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/* Options */
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const OptionsParser::Options &options_;
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/* Camera manager, camera, configuration and buffers */
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libcamera::CameraManager *cm_;
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std::shared_ptr<libcamera::Camera> camera_;
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libcamera::FrameBufferAllocator *allocator_;
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std::unique_ptr<libcamera::CameraConfiguration> config_;
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std::map<libcamera::FrameBuffer *, std::unique_ptr<Image>> mappedBuffers_;
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/* Capture state, buffers queue and statistics */
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bool isCapturing_;
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bool captureRaw_;
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libcamera::Stream *vfStream_;
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libcamera::Stream *rawStream_;
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std::map<const libcamera::Stream *, QQueue<libcamera::FrameBuffer *>> freeBuffers_;
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QQueue<libcamera::Request *> doneQueue_;
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QQueue<libcamera::Request *> freeQueue_;
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QMutex mutex_; /* Protects freeBuffers_, doneQueue_, and freeQueue_ */
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uint64_t lastBufferTime_;
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QElapsedTimer frameRateInterval_;
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uint32_t previousFrames_;
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uint32_t framesCaptured_;
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std::vector<std::unique_ptr<libcamera::Request>> requests_;
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};
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