Struct rustdct::algorithm::Type4Naive

pub struct Type4Naive<T> { /* fields omitted */ }

Naive O(n^2 ) DCT Type 4 and DST Type 4 implementation

// Computes a naive DCT4 of size 23
use rustdct::{DCT4, DST4};
use rustdct::algorithm::Type4Naive;

let len = 23;
let naive = Type4Naive::new(len);
 
let mut dct4_input:  Vec<f32> = vec![0f32; len];
let mut dct4_output: Vec<f32> = vec![0f32; len];
naive.process_dct4(&mut dct4_input, &mut dct4_output);
 
let mut dst4_input:  Vec<f32> = vec![0f32; len];
let mut dst4_output: Vec<f32> = vec![0f32; len];
naive.process_dst4(&mut dst4_input, &mut dst4_output);

Methods

impl<T: DCTnum> Type4Naive<T>

pub fn new(len: usize) -> Self

Creates a new DCT4 and DTS4 context that will process signals of length len

Trait Implementations

impl<T: DCTnum> DCT4<T> for Type4Naive<T>

fn process_dct4(&self, input: &mut [T], output: &mut [T])

Computes the DCT Type 4 on the input buffer and places the result in the output buffer.

impl<T: DCTnum> DST4<T> for Type4Naive<T>

fn process_dst4(&self, input: &mut [T], output: &mut [T])

Computes the DST Type 4 on the input buffer and places the result in the output buffer.

impl<T: DCTnum> TransformType4<T> for Type4Naive<T>

impl<T> Length for Type4Naive<T>

fn len(&self) -> usize

The FFT size that this algorithm can process