51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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** Copyright (C) 2002-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define ABS(a) (((a) < 0) ? - (a) : (a))
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#define MAX(a,b) (((a) >= (b)) ? (a) : (b))
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#define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof ((x) [0])))
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void gen_windowed_sines (int freq_count, const double *freqs, double max, float *output, int output_len) ;
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void save_oct_float (char *filename, float *input, int in_len, float *output, int out_len) ;
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void save_oct_double (char *filename, double *input, int in_len, double *output, int out_len) ;
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void interleave_data (const float *in, float *out, int frames, int channels) ;
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void deinterleave_data (const float *in, float *out, int frames, int channels) ;
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void reverse_data (float *data, int datalen) ;
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double calculate_snr (float *data, int len, int expected_peaks) ;
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const char * get_cpu_name (void) ;
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#if OS_IS_WIN32
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/*
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** Extra Win32 hacks.
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**
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** Despite Microsoft claim of windows being POSIX compatibile it has '_sleep'
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** instead of 'sleep'.
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*/
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#define sleep _sleep
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#endif
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