[nihav.git] / nihav-codec-support / src / vq / mod.rs

//! Vector quantisation routines.
mod generic_elbg;
mod generic_mediancut;

pub trait VQElement: Sized+Copy+PartialEq {
    fn dist(&self, rval: Self) -> u32;
    fn min_cw() -> Self;
    fn max_cw() -> Self;
    fn min(&self, rval: Self) -> Self;
    fn max(&self, rval: Self) -> Self;
    fn num_components() -> usize;
    fn sort_by_component(arr: &mut [Self], component: usize);
    fn max_dist_component(min: &Self, max: &Self) -> usize;
}

pub trait VQElementSum<T: VQElement> {
    fn zero() -> Self;
    fn add(&mut self, rval: T, count: u64);
    fn get_centroid(&self) -> T;
}

pub use self::generic_elbg::ELBG;
pub use self::generic_mediancut::quantise_median_cut;
Commit	Line	Data
971ae306 KS	1	//! Vector quantisation routines.
	2	mod generic_elbg;
	3	mod generic_mediancut;
	4
	5	pub trait VQElement: Sized+Copy+PartialEq {
	6	fn dist(&self, rval: Self) -> u32;
	7	fn min_cw() -> Self;
	8	fn max_cw() -> Self;
	9	fn min(&self, rval: Self) -> Self;
	10	fn max(&self, rval: Self) -> Self;
	11	fn num_components() -> usize;
	12	fn sort_by_component(arr: &mut [Self], component: usize);
	13	fn max_dist_component(min: &Self, max: &Self) -> usize;
	14	}
	15
	16	pub trait VQElementSum<T: VQElement> {
	17	fn zero() -> Self;
	18	fn add(&mut self, rval: T, count: u64);
	19	fn get_centroid(&self) -> T;
	20	}
	21
	22	pub use self::generic_elbg::ELBG;
	23	pub use self::generic_mediancut::quantise_median_cut;