}*/
impl IMDCT {
- pub fn new(mode: FFTMode, size: usize, scaledown: bool) -> Self {
+ pub fn new(size: usize, scaledown: bool) -> Self {
let mut twiddle: Vec<FFTComplex> = Vec::with_capacity(size / 4);
let factor = 2.0 * consts::PI / ((8 * size) as f32);
let scale = if scaledown { (1.0 / (size as f32)).sqrt() } else { 1.0 };
for k in 0..size/4 {
twiddle.push(FFTComplex::exp(factor * ((8 * k + 1) as f32)).scale(scale));
}
- let fft = FFTBuilder::new_fft(mode, size/4);
+ let fft = FFTBuilder::new_fft(size/4, false);
let mut z: Vec<FFTComplex> = Vec::with_capacity(size / 2);
z.resize(size / 2, FFTC_ZERO);
IMDCT { twiddle, fft, size, z }
let c = FFTComplex { re: src[size2 - 2 * k - 1], im: src[ 2 * k] };
self.z[k] = c * self.twiddle[k];
}
- self.fft.do_fft_inplace(&mut self.z, false);
+ self.fft.do_ifft_inplace(&mut self.z);
for k in 0..size4 {
self.z[k] *= self.twiddle[k];
}