1 #pragma once
2
3 #include <cstdint>
4 #include <string>
5
6 namespace kms
7 {
MakeFourCC(const char * fourcc)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 RGBX8888 = MakeFourCC("RX24"),
28 BGRX8888 = MakeFourCC("BX24"),
29
30 ARGB8888 = MakeFourCC("AR24"),
31 ABGR8888 = MakeFourCC("AB24"),
32 RGBA8888 = MakeFourCC("RA24"),
33 BGRA8888 = MakeFourCC("BA24"),
34
35 RGB888 = MakeFourCC("RG24"),
36 BGR888 = MakeFourCC("BG24"),
37
38 RGB565 = MakeFourCC("RG16"),
39 BGR565 = MakeFourCC("BG16"),
40
41 ARGB4444 = MakeFourCC("AR12"),
42 ARGB1555 = MakeFourCC("AR15"),
43
44 XRGB2101010 = MakeFourCC("XR30"),
45 XBGR2101010 = MakeFourCC("XB30"),
46 RGBX1010102 = MakeFourCC("RX30"),
47 BGRX1010102 = MakeFourCC("BX30"),
48
49 ARGB2101010 = MakeFourCC("AR30"),
50 ABGR2101010 = MakeFourCC("AB30"),
51 RGBA1010102 = MakeFourCC("RA30"),
52 BGRA1010102 = MakeFourCC("BA30"),
53 };
54
FourCCToPixelFormat(const std::string & fourcc)55 static inline PixelFormat FourCCToPixelFormat(const std::string& fourcc)
56 {
57 return (PixelFormat)MakeFourCC(fourcc.c_str());
58 }
59
PixelFormatToFourCC(PixelFormat f)60 static inline std::string PixelFormatToFourCC(PixelFormat f)
61 {
62 char buf[5] = { (char)(((int)f >> 0) & 0xff),
63 (char)(((int)f >> 8) & 0xff),
64 (char)(((int)f >> 16) & 0xff),
65 (char)(((int)f >> 24) & 0xff),
66 0 };
67 return std::string(buf);
68 }
69
70 enum class PixelColorType
71 {
72 RGB,
73 YUV,
74 };
75
76 struct PixelFormatPlaneInfo
77 {
78 uint8_t bitspp;
79 uint8_t xsub;
80 uint8_t ysub;
81 };
82
83 struct PixelFormatInfo
84 {
85 PixelColorType type;
86 uint8_t num_planes;
87 struct PixelFormatPlaneInfo planes[4];
88 };
89
90 const struct PixelFormatInfo& get_pixel_format_info(PixelFormat format);
91
92 }
93