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 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
FourCCToPixelFormat(const std::string & fourcc)37 static inline PixelFormat FourCCToPixelFormat(const std::string& fourcc)
38 {
39 return (PixelFormat)MakeFourCC(fourcc.c_str());
40 }
41
PixelFormatToFourCC(PixelFormat f)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