Do our own resampling

1 files changed, 0 insertions, 228 deletions

diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/util.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/util.c
deleted file mode 100755
index 0e4a2337..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/util.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
-** 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
-*/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <math.h>
-
-#include	"util.h"
-
-#ifndef	M_PI
-#define	M_PI			3.14159265358979323846264338
-#endif
-
-void
-gen_windowed_sines (int freq_count, const double *freqs, double max, float *output, int output_len)
-{	int 	k, freq ;
-	double	amplitude, phase ;
-
-	amplitude = max / freq_count ;
-
-	for (k = 0 ; k < output_len ; k++)
-		output [k] = 0.0 ;
-
-	for (freq = 0 ; freq < freq_count ; freq++)
-	{	phase = 0.9 * M_PI / freq_count ;
-
-		if (freqs [freq] <= 0.0 || freqs [freq] >= 0.5)
-		{	printf ("\n%s : Error : freq [%d] == %g is out of range. Should be < 0.5.\n", __FILE__, freq, freqs [freq]) ;
-			exit (1) ;
-			} ;
-
-		for (k = 0 ; k < output_len ; k++)
-			output [k] = (float) (output [k] + (amplitude * sin (freqs [freq] * (2 * k) * M_PI + phase))) ;
-		} ;
-
-	/* Apply Hanning Window. */
-	for (k = 0 ; k < output_len ; k++)
-		output [k] = (float) (output [k] * (0.5 - 0.5 * cos ((2 * k) * M_PI / (output_len - 1)))) ;
-
-	/*	data [k] *= 0.3635819 - 0.4891775 * cos ((2 * k) * M_PI / (output_len - 1))
-					+ 0.1365995 * cos ((4 * k) * M_PI / (output_len - 1))
-					- 0.0106411 * cos ((6 * k) * M_PI / (output_len - 1)) ;
-		*/
-
-	return ;
-} /* gen_windowed_sines */
-
-void
-save_oct_float (char *filename, float *input, int in_len, float *output, int out_len)
-{	FILE 	*file ;
-	int		k ;
-
-	printf ("Dumping input and output data to file : %s.\n\n", filename) ;
-
-	if (! (file = fopen (filename, "w")))
-		return ;
-
-	fprintf (file, "# Not created by Octave\n") ;
-
-	fprintf (file, "# name: input\n") ;
-	fprintf (file, "# type: matrix\n") ;
-	fprintf (file, "# rows: %d\n", in_len) ;
-	fprintf (file, "# columns: 1\n") ;
-
-	for (k = 0 ; k < in_len ; k++)
-		fprintf (file, "% g\n", input [k]) ;
-
-	fprintf (file, "# name: output\n") ;
-	fprintf (file, "# type: matrix\n") ;
-	fprintf (file, "# rows: %d\n", out_len) ;
-	fprintf (file, "# columns: 1\n") ;
-
-	for (k = 0 ; k < out_len ; k++)
-		fprintf (file, "% g\n", output [k]) ;
-
-	fclose (file) ;
-	return ;
-} /* save_oct_float */
-
-void
-save_oct_double (char *filename, double *input, int in_len, double *output, int out_len)
-{	FILE 	*file ;
-	int		k ;
-
-	printf ("Dumping input and output data to file : %s.\n\n", filename) ;
-
-	if (! (file = fopen (filename, "w")))
-		return ;
-
-	fprintf (file, "# Not created by Octave\n") ;
-
-	fprintf (file, "# name: input\n") ;
-	fprintf (file, "# type: matrix\n") ;
-	fprintf (file, "# rows: %d\n", in_len) ;
-	fprintf (file, "# columns: 1\n") ;
-
-	for (k = 0 ; k < in_len ; k++)
-		fprintf (file, "% g\n", input [k]) ;
-
-	fprintf (file, "# name: output\n") ;
-	fprintf (file, "# type: matrix\n") ;
-	fprintf (file, "# rows: %d\n", out_len) ;
-	fprintf (file, "# columns: 1\n") ;
-
-	for (k = 0 ; k < out_len ; k++)
-		fprintf (file, "% g\n", output [k]) ;
-
-	fclose (file) ;
-	return ;
-} /* save_oct_double */
-
-void
-interleave_data (const float *in, float *out, int frames, int channels)
-{	int fr, ch ;
-
-	for (fr = 0 ; fr < frames ; fr++)
-		for (ch = 0 ; ch < channels ; ch++)
-			out [ch + channels * fr] = in [fr + frames * ch] ;
-
-	return ;
-} /* interleave_data */
-
-void
-deinterleave_data (const float *in, float *out, int frames, int channels)
-{	int fr, ch ;
-
-	for (ch = 0 ; ch < channels ; ch++)
-		for (fr = 0 ; fr < frames ; fr++)
-			out [fr + frames * ch] = in [ch + channels * fr] ;
-
-	return ;
-} /* deinterleave_data */
-
-void
-reverse_data (float *data, int datalen)
-{	int left, right ;
-	float temp ;
-
-	left = 0 ;
-	right = datalen - 1 ;
-
-	while (left < right)
-	{	temp = data [left] ;
-		data [left] = data [right] ;
-		data [right] = temp ;
-		left ++ ;
-		right -- ;
-		} ;
-
-} /* reverse_data */
-
-const char *
-get_cpu_name (void)
-{
-	const char *name = "Unknown", *search = NULL ;
-	static char buffer [512] ;
-	FILE * file = NULL ;
-	int is_pipe = 0 ;
-
-#if defined (__linux__)
-	file = fopen ("/proc/cpuinfo", "r") ;
-	search = "model name" ;
-#elif defined (__APPLE__)
-	file = popen ("/usr/sbin/system_profiler -detailLevel full SPHardwareDataType", "r") ;
-	search = "Processor Name" ;
-	is_pipe = 1 ;
-#elif defined (__FreeBSD__)
-	file = popen ("sysctl -a", "r") ;
-	search = "hw.model" ;
-	is_pipe = 1 ;
-#else
-	(void) search ;
-	(void) buffer ;
-	(void) file ;
-	(void) is_pipe ;
-
-	return name;
-#endif
-
-#if defined (__linux__) || defined (__APPLE__) || defined (__FreeBSD__)
-	if (search == NULL)
-	{	printf ("Error : search is NULL in function %s.\n", __func__) ;
-		return name ;
-		} ;
-
-	while (fgets (buffer, sizeof (buffer), file) != NULL)
-		if (strstr (buffer, search))
-		{	char *src, *dest ;
-
-			if ((src = strchr (buffer, ':')) != NULL)
-			{	src ++ ;
-				while (isspace (src [0]))
-					src ++ ;
-				name = src ;
-
-				/* Remove consecutive spaces. */
-				src ++ ;
-				for (dest = src ; src [0] ; src ++)
-				{	if (isspace (src [0]) && isspace (dest [-1]))
-						continue ;
-					dest [0] = src [0] ;
-					dest ++ ;
-					} ;
-				dest [0] = 0 ;
-				break ;
-				} ;
-			} ;
-
-	if (is_pipe)
-		pclose (file) ;
-	else
-		fclose (file) ;
-
-	return name ;
-#endif
-} /* get_cpu_name */
-