1 files changed, 133 insertions, 0 deletions
diff --git a/src/apps/qcam/main_window.h b/src/apps/qcam/main_window.h
new file mode 100644
index 00000000..95b64124
--- /dev/null
+++ b/src/apps/qcam/main_window.h
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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 "../cam/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_;
+};