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

#[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,
        }
    }
}