1 #pragma once
2
3 #include <cstdint>
4 #include <string>
5 #include <stdexcept>
6
7 namespace kms
8 {
MakeFourCC(const char * fourcc)9 constexpr uint32_t MakeFourCC(const char* fourcc)
10 {
11 return fourcc[0] | (fourcc[1] << 8) | (fourcc[2] << 16) | (fourcc[3] << 24);
12 }
13
14 enum class PixelFormat : uint32_t {
15 Undefined = 0,
16
17 NV12 = MakeFourCC("NV12"),
18 NV21 = MakeFourCC("NV21"),
19 NV16 = MakeFourCC("NV16"),
20 NV61 = MakeFourCC("NV61"),
21
22 YUV420 = MakeFourCC("YU12"),
23 YVU420 = MakeFourCC("YV12"),
24 YUV422 = MakeFourCC("YU16"),
25 YVU422 = MakeFourCC("YV16"),
26 YUV444 = MakeFourCC("YU24"),
27 YVU444 = MakeFourCC("YV24"),
28
29 UYVY = MakeFourCC("UYVY"),
30 YUYV = MakeFourCC("YUYV"),
31 YVYU = MakeFourCC("YVYU"),
32 VYUY = MakeFourCC("VYUY"),
33
34 XRGB8888 = MakeFourCC("XR24"),
35 XBGR8888 = MakeFourCC("XB24"),
36 RGBX8888 = MakeFourCC("RX24"),
37 BGRX8888 = MakeFourCC("BX24"),
38
39 ARGB8888 = MakeFourCC("AR24"),
40 ABGR8888 = MakeFourCC("AB24"),
41 RGBA8888 = MakeFourCC("RA24"),
42 BGRA8888 = MakeFourCC("BA24"),
43
44 RGB888 = MakeFourCC("RG24"),
45 BGR888 = MakeFourCC("BG24"),
46
47 RGB332 = MakeFourCC("RGB8"),
48
49 RGB565 = MakeFourCC("RG16"),
50 BGR565 = MakeFourCC("BG16"),
51
52 XRGB4444 = MakeFourCC("XR12"),
53 XRGB1555 = MakeFourCC("XR15"),
54
55 ARGB4444 = MakeFourCC("AR12"),
56 ARGB1555 = MakeFourCC("AR15"),
57
58 XRGB2101010 = MakeFourCC("XR30"),
59 XBGR2101010 = MakeFourCC("XB30"),
60 RGBX1010102 = MakeFourCC("RX30"),
61 BGRX1010102 = MakeFourCC("BX30"),
62
63 ARGB2101010 = MakeFourCC("AR30"),
64 ABGR2101010 = MakeFourCC("AB30"),
65 RGBA1010102 = MakeFourCC("RA30"),
66 BGRA1010102 = MakeFourCC("BA30"),
67 };
68
FourCCToPixelFormat(const std::string & fourcc)69 static inline PixelFormat FourCCToPixelFormat(const std::string& fourcc)
70 {
71 return (PixelFormat)MakeFourCC(fourcc.c_str());
72 }
73
PixelFormatToFourCC(PixelFormat f)74 static inline std::string PixelFormatToFourCC(PixelFormat f)
75 {
76 char buf[5] = { (char)(((uint32_t)f >> 0) & 0xff),
77 (char)(((uint32_t)f >> 8) & 0xff),
78 (char)(((uint32_t)f >> 16) & 0xff),
79 (char)(((uint32_t)f >> 24) & 0xff),
80 0 };
81 return std::string(buf);
82 }
83
84 enum class PixelColorType {
85 RGB,
86 YUV,
87 };
88
89 struct PixelFormatPlaneInfo {
90 uint8_t bitspp;
91 uint8_t xsub;
92 uint8_t ysub;
93 };
94
95 struct PixelFormatInfo {
96 PixelColorType type;
97 uint8_t num_planes;
98 struct PixelFormatPlaneInfo planes[4];
99 };
100
101 const struct PixelFormatInfo& get_pixel_format_info(PixelFormat format);
102
103 } // namespace kms
104