Add libsamplerate for resampling decoder output

1 files changed, 41 insertions, 0 deletions

diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/util.h b/lib/libsamplerate/libsamplerate-0.2.2/tests/util.h
new file mode 100755
index 00000000..3303a29d
--- /dev/null
+++ b/lib/libsamplerate/libsamplerate-0.2.2/tests/util.h
@@ -0,0 +1,41 @@
+/*
+** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
+** All rights reserved.
+**
+** This code is released under 2-clause BSD license. Please see the
+** file at : https://github.com/libsndfile/libsamplerate/blob/master/COPYING
+*/
+
+#define	ABS(a)			(((a) < 0) ? - (a) : (a))
+
+#ifndef MAX
+#define	MAX(a,b)		(((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef MIN
+#define	MIN(a,b)		(((a) < (b)) ? (a) : (b))
+#endif
+
+#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) ;
+
+#define ASSERT(condition) \
+	if (!(condition)) \
+	{	printf ("Condition failed on Line %d : %s\n\n", __LINE__, #condition) ; \
+		exit (1) ; \
+	    } ;
+