use ffi::*;
use ffi::AVChromaLocation::*;

#[derive(Eq, PartialEq, Clone, Copy, Debug)]
pub enum Location {
	Unspecified,
	Left,
	Center,
	TopLeft,
	Top,
	BottomLeft,
	Bottom,
}

impl From<AVChromaLocation> for Location {
	fn from(value: AVChromaLocation) -> Self {
		match value {
			AVCHROMA_LOC_UNSPECIFIED => Location::Unspecified,
			AVCHROMA_LOC_LEFT        => Location::Left,
			AVCHROMA_LOC_CENTER      => Location::Center,
			AVCHROMA_LOC_TOPLEFT     => Location::TopLeft,
			AVCHROMA_LOC_TOP         => Location::Top,
			AVCHROMA_LOC_BOTTOMLEFT  => Location::BottomLeft,
			AVCHROMA_LOC_BOTTOM      => Location::Bottom,
			AVCHROMA_LOC_NB          => Location::Unspecified
		}
	}
}

impl Into<AVChromaLocation> for Location {
	fn into(self) -> AVChromaLocation {
		match self {
			Location::Unspecified => AVCHROMA_LOC_UNSPECIFIED,
			Location::Left        => AVCHROMA_LOC_LEFT,
			Location::Center      => AVCHROMA_LOC_CENTER,
			Location::TopLeft     => AVCHROMA_LOC_TOPLEFT,
			Location::Top         => AVCHROMA_LOC_TOP,
			Location::BottomLeft  => AVCHROMA_LOC_BOTTOMLEFT,
			Location::Bottom      => AVCHROMA_LOC_BOTTOM
		}
	}
}