media/kiss_fft/kiss_fftr.h@97036ab72558
media/kiss_fft/kiss_fftr.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 #ifndef KISS_FTR_H
2 #define KISS_FTR_H
4 #include "kiss_fft.h"
5 #ifdef __cplusplus
6 extern "C" {
7 #endif
10 /*
12 Real optimized version can save about 45% cpu time vs. complex fft of a real seq.
16 */
18 typedef struct kiss_fftr_state *kiss_fftr_cfg;
21 kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem, size_t * lenmem);
22 /*
23 nfft must be even
25 If you don't care to allocate space, use mem = lenmem = NULL
26 */
29 void kiss_fftr(kiss_fftr_cfg cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata);
30 /*
31 input timedata has nfft scalar points
32 output freqdata has nfft/2+1 complex points
33 */
35 void kiss_fftri(kiss_fftr_cfg cfg,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata);
36 /*
37 input freqdata has nfft/2+1 complex points
38 output timedata has nfft scalar points
39 */
41 #define kiss_fftr_free free
43 #ifdef __cplusplus
44 }
45 #endif
46 #endif
