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#pragma once
#include <cstdint>
#include <string>
namespace kms
{
constexpr uint32_t MakeFourCC(const char *fourcc)
{
return fourcc[0] | (fourcc[1] << 8) | (fourcc[2] << 16) | (fourcc[3] << 24);
}
enum class PixelFormat : uint32_t
{
Undefined = 0,
NV12 = MakeFourCC("NV12"),
NV21 = MakeFourCC("NV21"),
UYVY = MakeFourCC("UYVY"),
YUYV = MakeFourCC("YUYV"),
YVYU = MakeFourCC("YVYU"),
VYUY = MakeFourCC("VYUY"),
XRGB8888 = MakeFourCC("XR24"),
XBGR8888 = MakeFourCC("XB24"),
ARGB8888 = MakeFourCC("AR24"),
ABGR8888 = MakeFourCC("AB24"),
RGB565 = MakeFourCC("RG16"),
};
static inline PixelFormat FourCCToPixelFormat(const std::string& fourcc)
{
return (PixelFormat)MakeFourCC(fourcc.c_str());
}
static inline std::string PixelFormatToFourCC(PixelFormat f)
{
char buf[5] = { (char)(((int)f >> 0) & 0xff),
(char)(((int)f >> 8) & 0xff),
(char)(((int)f >> 16) & 0xff),
(char)(((int)f >> 24) & 0xff),
0 };
return std::string(buf);
}
struct PixelFormatPlaneInfo
{
uint8_t bitspp;
uint8_t xsub;
uint8_t ysub;
};
struct PixelFormatInfo
{
uint8_t num_planes;
struct PixelFormatPlaneInfo planes[4];
};
const struct PixelFormatInfo& get_pixel_format_info(PixelFormat format);
}
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