comparison src/libsamplerate-0.1.8/tests/util.h @ 0:c7265573341e

Import initial set of sources

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