1 #pragma once 2 3 #include <cstdint> 4 #include <string> 5 6 namespace kms 7 { 8 constexpr uint32_t MakeFourCC(const char *fourcc) 9 { 10 return fourcc[0] | (fourcc[1] << 8) | (fourcc[2] << 16) | (fourcc[3] << 24); 11 } 12 13 enum class PixelFormat : uint32_t 14 { 15 Undefined = 0, 16 17 NV12 = MakeFourCC("NV12"), 18 NV21 = MakeFourCC("NV21"), 19 20 UYVY = MakeFourCC("UYVY"), 21 YUYV = MakeFourCC("YUYV"), 22 YVYU = MakeFourCC("YVYU"), 23 VYUY = MakeFourCC("VYUY"), 24 25 XRGB8888 = MakeFourCC("XR24"), 26 XBGR8888 = MakeFourCC("XB24"), 27 ARGB8888 = MakeFourCC("AR24"), 28 ABGR8888 = MakeFourCC("AB24"), 29 30 RGB888 = MakeFourCC("RG24"), 31 BGR888 = MakeFourCC("BG24"), 32 33 RGB565 = MakeFourCC("RG16"), 34 BGR565 = MakeFourCC("BG16"), 35 }; 36 37 static inline PixelFormat FourCCToPixelFormat(const std::string& fourcc) 38 { 39 return (PixelFormat)MakeFourCC(fourcc.c_str()); 40 } 41 42 static inline std::string PixelFormatToFourCC(PixelFormat f) 43 { 44 char buf[5] = { (char)(((int)f >> 0) & 0xff), 45 (char)(((int)f >> 8) & 0xff), 46 (char)(((int)f >> 16) & 0xff), 47 (char)(((int)f >> 24) & 0xff), 48 0 }; 49 return std::string(buf); 50 } 51 52 struct PixelFormatPlaneInfo 53 { 54 uint8_t bitspp; 55 uint8_t xsub; 56 uint8_t ysub; 57 }; 58 59 struct PixelFormatInfo 60 { 61 uint8_t num_planes; 62 struct PixelFormatPlaneInfo planes[4]; 63 }; 64 65 const struct PixelFormatInfo& get_pixel_format_info(PixelFormat format); 66 67 } 68
