| // Copyright 2006 Google Inc. All Rights Reserved. |
| // Author: popat@google.com (Ashok C. Popat) |
| // |
| // Declarations for third-party 2D FFT routines in third_party/fft2d/fft2d. |
| |
| #ifndef THIRD_PARTY_FFT2D_FFT2D_H__ |
| #define THIRD_PARTY_FFT2D_FFT2D_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern void cdft2d(int, int, int, double **, double *, int *, double *); |
| extern void rdft2d(int, int, int, double **, double *, int *, double *); |
| extern void ddct2d(int, int, int, double **, double *, int *, double *); |
| extern void ddst2d(int, int, int, double **, double *, int *, double *); |
| extern void ddct8x8s(int isgn, double **a); |
| extern void ddct16x16s(int isgn, double **a); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // THIRD_PARTY_FFT2D_FFT2D_H__ |
