// This file is part of the 64k demo project.
// It defines constants and shared structures for DCT operations.
// The demo uses a 512-point DCT for spectral synthesis.

#pragma once

#define DCT_SIZE 512
#define OLA_HOP_SIZE 256
#define OLA_OVERLAP 256

// Forward declarations
void fdct_512(const float* input, float* output);
void idct_512(const float* input, float* output);
// IMDCT: N=512 coefficients -> 2*DCT_SIZE=1024 samples.
// Window with Hann(1024) and OLA with hop DCT_SIZE for perfect reconstruction.
void imdct_512(const float* input, float* output);