blob: 80b1b492de0f3928e5d35440db3090b31f3560dd [file] [log] [blame]
Emeric Vigiereebea672012-08-06 17:36:30 -04001/*
2** Copyright (C) 2002-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
3**
4** This program is free software; you can redistribute it and/or modify
5** it under the terms of the GNU General Public License as published by
6** the Free Software Foundation; either version 2 of the License, or
7** (at your option) any later version.
8**
9** This program is distributed in the hope that it will be useful,
10** but WITHOUT ANY WARRANTY; without even the implied warranty of
11** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12** GNU General Public License for more details.
13**
14** You should have received a copy of the GNU General Public License
15** along with this program; if not, write to the Free Software
16** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
17*/
18
19#define ABS(a) (((a) < 0) ? - (a) : (a))
20#define MIN(a,b) (((a) < (b)) ? (a) : (b))
21#define MAX(a,b) (((a) >= (b)) ? (a) : (b))
22
23#define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof ((x) [0])))
24
25void gen_windowed_sines (int freq_count, const double *freqs, double max, float *output, int output_len) ;
26
27void save_oct_float (char *filename, float *input, int in_len, float *output, int out_len) ;
28void save_oct_double (char *filename, double *input, int in_len, double *output, int out_len) ;
29
30void interleave_data (const float *in, float *out, int frames, int channels) ;
31
32void deinterleave_data (const float *in, float *out, int frames, int channels) ;
33
34void reverse_data (float *data, int datalen) ;
35
36double calculate_snr (float *data, int len, int expected_peaks) ;
37
38const char * get_cpu_name (void) ;
39
40#if OS_IS_WIN32
41/*
42** Extra Win32 hacks.
43**
44** Despite Microsoft claim of windows being POSIX compatibile it has '_sleep'
45** instead of 'sleep'.
46*/
47
48#define sleep _sleep
49#endif
50