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Diffstat (limited to 'src/libcamera/include/v4l2_device.h')
-rw-r--r-- | src/libcamera/include/v4l2_device.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h new file mode 100644 index 00000000..75f23a05 --- /dev/null +++ b/src/libcamera/include/v4l2_device.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2019, Google Inc. + * + * v4l2_device.h - Common base for V4L2 video devices and subdevices + */ +#ifndef __LIBCAMERA_V4L2_DEVICE_H__ +#define __LIBCAMERA_V4L2_DEVICE_H__ + +#include <string> + +#include "log.h" + +namespace libcamera { + +class V4L2Device : protected Loggable +{ +public: + void close(); + bool isOpen() const { return fd_ != -1; } + + const std::string &deviceNode() const { return deviceNode_; } + +protected: + V4L2Device(const std::string &deviceNode); + ~V4L2Device(); + + int open(unsigned int flags); + + int ioctl(unsigned long request, void *argp); + + int fd() { return fd_; } + +private: + std::string deviceNode_; + int fd_; +}; + +} /* namespace libcamera */ + +#endif /* __LIBCAMERA_V4L2_DEVICE_H__ */ |