Laurent Pinchart
a13676f2bb
Replace the manual implementation of frame buffer mapping with the Image class to improve code sharing. The ViewFinder API is updated to take an Image pointer in the render() function to prepare for multi-planar buffer support. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
131 lines
2.7 KiB
C++
131 lines
2.7 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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* main_window.h - qcam - Main application window
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*/
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#ifndef __QCAM_MAIN_WINDOW_H__
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#define __QCAM_MAIN_WINDOW_H__
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#include <memory>
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#include <vector>
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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 <QQueue>
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#include <QTimer>
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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 "../cam/stream_options.h"
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#include "viewfinder.h"
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using namespace libcamera;
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class QAction;
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class QComboBox;
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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(CameraManager *cm, 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(int index);
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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(FrameBuffer *buffer, const ControlList &metadata);
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void queueRequest(FrameBuffer *buffer);
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private:
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int createToolbars();
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std::string 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<Camera> camera);
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void removeCamera(std::shared_ptr<Camera> camera);
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void requestComplete(Request *request);
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void processCapture();
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void processHotplug(HotplugEvent *e);
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void processViewfinder(FrameBuffer *buffer);
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/* UI elements */
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QToolBar *toolbar_;
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QAction *startStopAction_;
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QComboBox *cameraCombo_;
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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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/* Options */
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const OptionsParser::Options &options_;
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/* Camera manager, camera, configuration and buffers */
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CameraManager *cm_;
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std::shared_ptr<Camera> camera_;
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FrameBufferAllocator *allocator_;
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std::unique_ptr<CameraConfiguration> config_;
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std::map<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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Stream *vfStream_;
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Stream *rawStream_;
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std::map<const Stream *, QQueue<FrameBuffer *>> freeBuffers_;
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QQueue<Request *> doneQueue_;
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QQueue<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<Request>> requests_;
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};
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#endif /* __QCAM_MAIN_WINDOW__ */
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