wedeo_core/
pixel_format.rs

1use bitflags::bitflags;
2
3/// Pixel format, matching a subset of FFmpeg's AVPixelFormat.
4/// Only the most common formats are included initially.
5#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
6#[repr(i32)]
7pub enum PixelFormat {
8    None = -1,
9    Yuv420p = 0,
10    Yuyv422 = 1,
11    Rgb24 = 2,
12    Bgr24 = 3,
13    Yuv422p = 4,
14    Yuv444p = 5,
15    Yuv410p = 6,
16    Yuv411p = 7,
17    Gray8 = 8,
18    MonoWhite = 9,
19    MonoBlack = 10,
20    Pal8 = 11,
21    Yuvj420p = 12,
22    Yuvj422p = 13,
23    Yuvj444p = 14,
24    Uyvy422 = 15,
25    Nv12 = 25,
26    Nv21 = 26,
27    Argb = 27,
28    Rgba = 28,
29    Abgr = 29,
30    Bgra = 30,
31    Gray16be = 31,
32    Gray16le = 32,
33    Yuv420p16le = 55,
34    Yuv420p16be = 56,
35    Rgb48be = 41,
36    Rgb48le = 42,
37    Yuv420p10le = 90,
38    Yuv420p10be = 91,
39}
40
41impl PixelFormat {
42    pub fn name(self) -> &'static str {
43        match self {
44            PixelFormat::None => "none",
45            PixelFormat::Yuv420p => "yuv420p",
46            PixelFormat::Yuyv422 => "yuyv422",
47            PixelFormat::Rgb24 => "rgb24",
48            PixelFormat::Bgr24 => "bgr24",
49            PixelFormat::Yuv422p => "yuv422p",
50            PixelFormat::Yuv444p => "yuv444p",
51            PixelFormat::Yuv410p => "yuv410p",
52            PixelFormat::Yuv411p => "yuv411p",
53            PixelFormat::Gray8 => "gray8",
54            PixelFormat::MonoWhite => "monowhite",
55            PixelFormat::MonoBlack => "monoblack",
56            PixelFormat::Pal8 => "pal8",
57            PixelFormat::Yuvj420p => "yuvj420p",
58            PixelFormat::Yuvj422p => "yuvj422p",
59            PixelFormat::Yuvj444p => "yuvj444p",
60            PixelFormat::Uyvy422 => "uyvy422",
61            PixelFormat::Nv12 => "nv12",
62            PixelFormat::Nv21 => "nv21",
63            PixelFormat::Argb => "argb",
64            PixelFormat::Rgba => "rgba",
65            PixelFormat::Abgr => "abgr",
66            PixelFormat::Bgra => "bgra",
67            PixelFormat::Gray16be => "gray16be",
68            PixelFormat::Gray16le => "gray16le",
69            PixelFormat::Yuv420p16le => "yuv420p16le",
70            PixelFormat::Yuv420p16be => "yuv420p16be",
71            PixelFormat::Rgb48be => "rgb48be",
72            PixelFormat::Rgb48le => "rgb48le",
73            PixelFormat::Yuv420p10le => "yuv420p10le",
74            PixelFormat::Yuv420p10be => "yuv420p10be",
75        }
76    }
77}
78
79bitflags! {
80    /// Pixel format descriptor flags, matching FFmpeg's AV_PIX_FMT_FLAG_*.
81    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
82    pub struct PixelFormatFlags: u64 {
83        const BIG_ENDIAN  = 1 << 0;
84        const PAL         = 1 << 1;
85        const BITSTREAM   = 1 << 2;
86        const HWACCEL     = 1 << 3;
87        const PLANAR      = 1 << 4;
88        const RGB         = 1 << 5;
89        const ALPHA       = 1 << 7;
90        const BAYER       = 1 << 8;
91        const FLOAT       = 1 << 9;
92    }
93}
94
95/// Descriptor for a pixel format component.
96#[derive(Debug, Clone, Copy)]
97pub struct PixelFormatComponentDescriptor {
98    /// Which of the 4 planes contains the component.
99    pub plane: u16,
100    /// Number of elements between two horizontally consecutive pixels.
101    pub step: u16,
102    /// Number of elements before the component of the first pixel.
103    pub offset: u16,
104    /// Number of least significant bits that must be shifted away to get the value.
105    pub shift: u16,
106    /// Number of bits in the component.
107    pub depth: u16,
108}
109
110/// Descriptor for a pixel format.
111#[derive(Debug, Clone)]
112pub struct PixelFormatDescriptor {
113    pub name: &'static str,
114    pub nb_components: u8,
115    /// Amount to shift the luma width right to find the chroma width.
116    pub log2_chroma_w: u8,
117    /// Amount to shift the luma height right to find the chroma height.
118    pub log2_chroma_h: u8,
119    pub flags: PixelFormatFlags,
120    pub components: [PixelFormatComponentDescriptor; 4],
121}
wedeo_core/pixel_format.rs

wedeo_core/
pixel_format.rs
