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1af83ca6df
Do not use the abreviated version for members, variables and getter methods. Library-wise rename, no intended functional changes. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* v4l2_device.h - V4L2 Device
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*/
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#ifndef __LIBCAMERA_V4L2_DEVICE_H__
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#define __LIBCAMERA_V4L2_DEVICE_H__
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#include <string>
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#include <linux/videodev2.h>
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namespace libcamera {
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struct V4L2Capability final : v4l2_capability {
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const char *driver() const
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{
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return reinterpret_cast<const char *>(v4l2_capability::driver);
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}
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const char *card() const
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{
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return reinterpret_cast<const char *>(v4l2_capability::card);
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}
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const char *bus_info() const
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{
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return reinterpret_cast<const char *>(v4l2_capability::bus_info);
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}
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bool isCapture() const { return capabilities & V4L2_CAP_VIDEO_CAPTURE; }
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bool isOutput() const { return capabilities & V4L2_CAP_VIDEO_OUTPUT; }
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bool hasStreaming() const { return capabilities & V4L2_CAP_STREAMING; }
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};
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class MediaEntity;
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class V4L2Device
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{
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public:
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explicit V4L2Device(const std::string &deviceNode);
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explicit V4L2Device(const MediaEntity &entity);
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V4L2Device(const V4L2Device &) = delete;
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~V4L2Device();
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void operator=(const V4L2Device &) = delete;
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int open();
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bool isOpen() const;
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void close();
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const char *driverName() const { return caps_.driver(); }
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const char *deviceName() const { return caps_.card(); }
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const char *busName() const { return caps_.bus_info(); }
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private:
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std::string deviceNode_;
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int fd_;
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V4L2Capability caps_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_V4L2_DEVICE_H__ */
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