in src/pixel_format.rs [82:94]
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self {
PixelFormat::Argb => write!(f, "argb"),
PixelFormat::Bgra => write!(f, "bgra"),
PixelFormat::Bgr => write!(f, "bgr"),
PixelFormat::Rgba => write!(f, "rgba"),
PixelFormat::Rgb => write!(f, "rgb"),
PixelFormat::I444 => write!(f, "i444"),
PixelFormat::I422 => write!(f, "i422"),
PixelFormat::I420 => write!(f, "i420"),
PixelFormat::Nv12 => write!(f, "nv12"),
}
}