diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/speex/_kiss_fft_guts.h')
| -rw-r--r-- | pjmedia/src/pjmedia-codec/speex/_kiss_fft_guts.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/_kiss_fft_guts.h b/pjmedia/src/pjmedia-codec/speex/_kiss_fft_guts.h index 72acee18..43a3ba57 100644 --- a/pjmedia/src/pjmedia-codec/speex/_kiss_fft_guts.h +++ b/pjmedia/src/pjmedia-codec/speex/_kiss_fft_guts.h @@ -20,6 +20,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND and defines typedef struct { kiss_fft_scalar r; kiss_fft_scalar i; }kiss_fft_cpx; */ #include "kiss_fft.h" +#include "math_approx.h" #define MAXFACTORS 32 /* e.g. an fft of length 128 has 4 factors @@ -140,6 +141,11 @@ struct kiss_fft_state{ (x)->r = KISS_FFT_COS(phase);\ (x)->i = KISS_FFT_SIN(phase);\ }while(0) +#define kf_cexp2(x,phase) \ + do{ \ + (x)->r = spx_cos_norm((phase));\ + (x)->i = spx_cos_norm((phase)-32768);\ +}while(0) /* a debugging function */ |