strawberry_x264/
colorspace.rs

1use x264::*;
2
3#[derive(Debug, Hash, Eq, PartialEq, Copy, Clone)]
4#[repr(u32)]
5/// The colorspace of an image, which details how its colors are represented.
6pub enum Colorspace {
7    /// A Y plane followed by 2x2 subsampled U and V planes.
8    I420 = X264_CSP_I420,
9    /// A Y plane followed by 2x2 subsampled V and U planes.
10    YV12 = X264_CSP_YV12,
11    /// A Y plane followed by a packed 2x2 subsampled UV plane.
12    NV12 = X264_CSP_NV12,
13    /// A Y plane followed by a packed 2x2 subsampled VU plane.
14    NV21 = X264_CSP_NV21,
15    /// A Y plane followed by 2x1 subsampled U and V planes.
16    I422 = X264_CSP_I422,
17    /// A Y plane followed by 2x1 subsampled V and U planes.
18    YV16 = X264_CSP_YV16,
19    /// A Y plane followed by a packed 2x1 subsampled UV plane.
20    NV16 = X264_CSP_NV16,
21    /// A single plane whose bytes follow the pattern YUYV pattern, which means
22    /// the U and V parts are 2x1 subsampled.
23    #[cfg(yuyv)]
24    YUYV = X264_CSP_YUYV,
25    /// A single plane whose bytes follow the pattern UYVY pattern, which means
26    /// the U and V parts are 2x1 subsampled.
27    #[cfg(yuyv)]
28    UYVY = X264_CSP_UYVY,
29    /// A packed 32-bit UYVY plane with 10-bit components, and 2 padding bits.
30    V210 = X264_CSP_V210,
31    /// A Y plane followed by U and V planes.
32    I444 = X264_CSP_I444,
33    /// A Y plane followed by V and U planes.
34    YV24 = X264_CSP_YV24,
35    /// A packed 24-bit BGR plane.
36    BGR = X264_CSP_BGR,
37    /// A packed 32-bit BGR plane, where the latter byte is padding.
38    BGRA = X264_CSP_BGRA,
39    /// A packed 24-bit RGB plane.
40    RGB = X264_CSP_RGB,
41}
42
43#[derive(Debug, Hash, Eq, PartialEq, Copy, Clone)]
44/// The image's colorspace plus some extra encoding options.
45pub struct Encoding {
46    raw: i32,
47}
48
49impl Encoding {
50    /// Add an encoding option.
51    pub fn add_modifier(mut self, modifier: Modifier) -> Self {
52        self.raw |= modifier as i32;
53        self
54    }
55
56    /// Remove an encoding option.
57    pub fn remove_modifier(mut self, modifier: Modifier) -> Self {
58        self.raw &= !(modifier as i32);
59        self
60    }
61
62    /// Check if an encoding option has been set.
63    pub fn has_modifier(self, modifier: Modifier) -> bool {
64        self.raw & modifier as i32 != 0
65    }
66
67    /// Gets the colorspace of the encoding.
68    pub fn colorspace(self) -> Colorspace {
69        use core::mem;
70        unsafe { mem::transmute(self.raw as u32 % X264_CSP_MAX) }
71    }
72
73    #[doc(hidden)]
74    pub fn into_raw(self) -> i32 {
75        self.raw
76    }
77
78    #[doc(hidden)]
79    pub unsafe fn from_raw(raw: i32) -> Self {
80        Self { raw }
81    }
82}
83
84impl From<Colorspace> for Encoding {
85    fn from(csp: Colorspace) -> Self {
86        Self { raw: csp as i32 }
87    }
88}
89
90#[repr(i32)]
91/// Some extra encoding options.
92pub enum Modifier {
93    /// Doubles the pixel depth, from 8 to 16 bits per pixel.
94    HighDepth = X264_CSP_HIGH_DEPTH as i32,
95    /// Vertically flips the image.
96    VerticalFlip = X264_CSP_VFLIP as i32,
97}
strawberry_x264/colorspace.rs

strawberry_x264/
colorspace.rs
