Crate rustdct

RustDCT is a pure-Rust signal processing library that computes the most common Discrete Cosine Transforms: * DCT Type 1 * DCT Type 2 (Often called "the" DCT - by far the most common algorithm, used by JPEG image compression and others) * DCT Type 3 (the inverse of the DCT type 2, also used in JPEG) * DCT Type 4 * MDCT (Used in audio and video compression such as Ogg and MP3) The recommended way to use RustDCT is to create a [DCTplanner](/blob/src/plan.rs) instance, then call its plan_dct1 or plan_dct2 or etc method. Each DCT type has its own method which will choose the best algorithm for the given size.

The recommended way to use RustFFT is to create a FFTplanner instance and then call its plan_fft method. This method will automatically choose which FFT algorithms are best for a given size and initialize the required buffers and precomputed data.

// Compute a DCT Type 2 of size 1234
use rustdct::DCTplanner;
 
let mut input:  Vec<f32> = vec![0f32; 1234];
let mut output: Vec<f32> = vec![0f32; 1234];
 
let mut planner = DCTplanner::new();
let mut dct = planner.plan_dct2(1234);
dct.process(&mut input, &mut output);
 

Reexports

pub extern crate rustfft;

Modules

dct1
dct2
dct3
dct4
mdct
num_complex	Complex numbers.
num_traits	Numeric traits for generic mathematics

Structs

DCTplanner

Traits

DCTnum