use ffi::AVDiscard::*;
use ffi::*;

#[derive(Eq, PartialEq, Clone, Copy, Debug)]
pub enum Discard {
    None,
    Default,
    NonReference,
    Bidirectional,
    NonIntra,
    NonKey,
    All,
}

impl From<AVDiscard> for Discard {
    fn from(value: AVDiscard) -> Self {
        match value {
            AVDISCARD_NONE => Discard::None,
            AVDISCARD_DEFAULT => Discard::Default,
            AVDISCARD_NONREF => Discard::NonReference,
            AVDISCARD_BIDIR => Discard::Bidirectional,
            AVDISCARD_NONINTRA => Discard::NonIntra,
            AVDISCARD_NONKEY => Discard::NonKey,
            AVDISCARD_ALL => Discard::All,
        }
    }
}

impl Into<AVDiscard> for Discard {
    fn into(self) -> AVDiscard {
        match self {
            Discard::None => AVDISCARD_NONE,
            Discard::Default => AVDISCARD_DEFAULT,
            Discard::NonReference => AVDISCARD_NONREF,
            Discard::Bidirectional => AVDISCARD_BIDIR,
            Discard::NonIntra => AVDISCARD_NONINTRA,
            Discard::NonKey => AVDISCARD_NONKEY,
            Discard::All => AVDISCARD_ALL,
        }
    }
}