index : libcamera/vivid.git	pobrn/rebase vivid
	libcamera pipeline handler for VIVID	git repository hosting on libcamera.org

summaryrefslogtreecommitdiff

log msg author committer range

path: root/test/byte-stream-buffer.cpp

Age	Commit message (Collapse)	Author
2020-05-16	libcamera: Move internal headers to include/libcamera/internal/	Laurent Pinchart
	The libcamera internal headers are located in src/libcamera/include/. The directory is added to the compiler headers search path with a meson include_directories() directive, and internal headers are included with (e.g. for the internal semaphore.h header) #include "semaphore.h" All was well, until libcxx decided to implement the C++20 synchronization library. The __threading_support header gained a #include <semaphore.h> to include the pthread's semaphore support. As include_directories() adds src/libcamera/include/ to the compiler search path with -I, the internal semaphore.h is included instead of the pthread version. Needless to say, the compiler isn't happy. Three options have been considered to fix this issue: - Use -iquote instead of -I. The -iquote option instructs gcc to only consider the header search path for headers included with the "" version. Meson unfortunately doesn't support this option. - Rename the internal semaphore.h header. This was deemed to be the beginning of a long whack-a-mole game, where namespace clashes with system libraries would appear over time (possibly dependent on particular system configurations) and would need to be constantly fixed. - Move the internal headers to another directory to create a unique namespace through path components. This causes lots of churn in all the existing source files through the all project. The first option would be best, but isn't available to us due to missing support in meson. Even if -iquote support was added, we would need to fix the problem before a new version of meson containing the required support would be released. The third option is thus the only practical solution available. Bite the bullet, and do it, moving headers to include/libcamera/internal/. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org>
2019-11-20	test: Add ByteStreamBuffer test	Laurent Pinchart
	The test exercises the API of the ByteStreamBuffer class in both read and write modes, including carve out buffers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

generated by cgit v1.2.1 (git 2.18.0) at 2025-02-11 17:29:09 +0000

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * 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::shared_ptr<libcamera::Camera> 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_;
};