c4b75cb66c
Add a function which returns PixelFormatInfo, given format name as a string. Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
/*
|
|
* Copyright (C) 2019, Google Inc.
|
|
*
|
|
* formats.h - libcamera image formats
|
|
*/
|
|
|
|
#ifndef __LIBCAMERA_INTERNAL_FORMATS_H__
|
|
#define __LIBCAMERA_INTERNAL_FORMATS_H__
|
|
|
|
#include <array>
|
|
#include <map>
|
|
#include <vector>
|
|
|
|
#include <libcamera/geometry.h>
|
|
#include <libcamera/pixel_format.h>
|
|
|
|
#include "libcamera/internal/v4l2_pixelformat.h"
|
|
|
|
namespace libcamera {
|
|
|
|
struct PixelFormatPlaneInfo
|
|
{
|
|
unsigned int bytesPerGroup;
|
|
unsigned int verticalSubSampling;
|
|
};
|
|
|
|
class PixelFormatInfo
|
|
{
|
|
public:
|
|
enum ColourEncoding {
|
|
ColourEncodingRGB,
|
|
ColourEncodingYUV,
|
|
ColourEncodingRAW,
|
|
};
|
|
|
|
bool isValid() const { return format.isValid(); }
|
|
|
|
static const PixelFormatInfo &info(const PixelFormat &format);
|
|
static const PixelFormatInfo &info(const V4L2PixelFormat &format);
|
|
static const PixelFormatInfo &info(const std::string &name);
|
|
|
|
unsigned int stride(unsigned int width, unsigned int plane,
|
|
unsigned int align = 1) const;
|
|
unsigned int frameSize(const Size &size, unsigned int align = 1) const;
|
|
unsigned int frameSize(const Size &size,
|
|
const std::array<unsigned int, 3> &strides) const;
|
|
|
|
/* \todo Add support for non-contiguous memory planes */
|
|
const char *name;
|
|
PixelFormat format;
|
|
V4L2PixelFormat v4l2Format;
|
|
unsigned int bitsPerPixel;
|
|
enum ColourEncoding colourEncoding;
|
|
bool packed;
|
|
|
|
unsigned int pixelsPerGroup;
|
|
|
|
std::array<PixelFormatPlaneInfo, 3> planes;
|
|
};
|
|
|
|
} /* namespace libcamera */
|
|
|
|
#endif /* __LIBCAMERA_INTERNAL_FORMATS_H__ */
|