in src/color_space.rs [46:54]
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self {
ColorSpace::Rgb => write!(f, "rgb"),
ColorSpace::Bt601 => write!(f, "bt-601"),
ColorSpace::Bt709 => write!(f, "bt-709"),
ColorSpace::Bt601FR => write!(f, "bt-601-fr"),
ColorSpace::Bt709FR => write!(f, "bt-709-fr"),
}
}