Emeric Vigier | eebea67 | 2012-08-06 17:36:30 -0400 | [diff] [blame] | 1 | /* |
| 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 | |
| 25 | void gen_windowed_sines (int freq_count, const double *freqs, double max, float *output, int output_len) ; |
| 26 | |
| 27 | void save_oct_float (char *filename, float *input, int in_len, float *output, int out_len) ; |
| 28 | void save_oct_double (char *filename, double *input, int in_len, double *output, int out_len) ; |
| 29 | |
| 30 | void interleave_data (const float *in, float *out, int frames, int channels) ; |
| 31 | |
| 32 | void deinterleave_data (const float *in, float *out, int frames, int channels) ; |
| 33 | |
| 34 | void reverse_data (float *data, int datalen) ; |
| 35 | |
| 36 | double calculate_snr (float *data, int len, int expected_peaks) ; |
| 37 | |
| 38 | const 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 | |