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https://git.libcamera.org/libcamera/libcamera.git
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9f9c224c7b
Add a helper function to V4L2PixelFormat for retrieving the V4L2 description string. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
55 lines
1.1 KiB
C++
55 lines
1.1 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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* Copyright (C) 2020, Raspberry Pi (Trading) Ltd.
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*
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* v4l2_pixelformat.h - V4L2 Pixel Format
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*/
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#ifndef __LIBCAMERA_INTERNAL_V4L2_PIXELFORMAT_H__
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#define __LIBCAMERA_INTERNAL_V4L2_PIXELFORMAT_H__
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#include <stdint.h>
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#include <string>
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#include <linux/videodev2.h>
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#include <libcamera/pixel_format.h>
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namespace libcamera {
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class V4L2PixelFormat
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{
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public:
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struct Info {
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PixelFormat format;
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const char *description;
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};
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V4L2PixelFormat()
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: fourcc_(0)
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{
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}
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explicit V4L2PixelFormat(uint32_t fourcc)
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: fourcc_(fourcc)
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{
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}
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bool isValid() const { return fourcc_ != 0; }
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uint32_t fourcc() const { return fourcc_; }
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operator uint32_t() const { return fourcc_; }
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std::string toString() const;
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const char *description() const;
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PixelFormat toPixelFormat() const;
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static V4L2PixelFormat fromPixelFormat(const PixelFormat &pixelFormat,
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bool multiplanar = false);
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private:
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uint32_t fourcc_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_INTERNAL_V4L2_PIXELFORMAT_H__ */
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