Method from_fourcc

rustcv-camera/src/pixel_format.rs:98–108

Convert a V4L2 FourCC `u32` to a [`PixelFormat`]. 将 V4L2 FourCC `u32` 转换为 [`PixelFormat`]。

(fourcc: u32)

    /// Convert a V4L2 FourCC `u32` to a [`PixelFormat`].
    /// 将 V4L2 FourCC `u32` 转换为 [`PixelFormat`]。
    pub fn from_fourcc(fourcc: u32) -> Self {
        match fourcc {
            fcc::MJPEG => Self::Mjpeg,
            fcc::YUYV => Self::Yuyv,
            fcc::NV12 => Self::Nv12,
            fcc::BGR24 => Self::Bgr24,
            fcc::RGB24 => Self::Rgb24,
            fcc::BGRA32 => Self::Bgra32,
            other => Self::Other(other),
        }
    }

    /// Convert back to a V4L2 FourCC `u32`.
    /// 转换回 V4L2 FourCC `u32`。