Do our own resampling

21 files changed, 0 insertions, 4661 deletions

diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/CMakeLists.txt b/lib/libsamplerate/libsamplerate-0.2.2/tests/CMakeLists.txt
deleted file mode 100755
index eefa60b3..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/CMakeLists.txt
+++ /dev/null
@@ -1,95 +0,0 @@
-check_include_file(sys/times.h HAVE_SYS_TIMES_H)
-
-check_function_exists(alarm HAVE_ALARM)
-check_function_exists(signal HAVE_SIGNAL)
-
-check_symbol_exists(SIGALRM signal.h HAVE_SIGALRM)
-
-if((NOT VCPKG_TOOLCHAIN) AND PKG_CONFIG_FOUND AND (NOT CMAKE_VERSION VERSION_LESS 3.6))
-  pkg_check_modules(FFTW3 fftw3 IMPORTED_TARGET)
-  if(FFTW3_FOUND)
-    add_library(FFTW3::fftw3 INTERFACE IMPORTED)
-    target_link_libraries(FFTW3::fftw3 INTERFACE PkgConfig::FFTW3)
-  endif()
-else()
-  find_package(FFTW3)
-endif()
-
-set(HAVE_FFTW3 ${FFTW3_FOUND} PARENT_SCOPE)
-
-add_executable(misc_test misc_test.c util.c util.h)
-target_link_libraries(misc_test PRIVATE samplerate)
-add_test(NAME misc_test COMMAND misc_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(termination_test termination_test.c util.c util.h)
-target_link_libraries(termination_test PRIVATE samplerate)
-add_test(NAME termination_test COMMAND termination_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(callback_hang_test callback_hang_test.c util.c util.h)
-target_link_libraries(callback_hang_test PRIVATE samplerate)
-add_test(NAME callback_hang_test COMMAND callback_hang_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(downsample_test downsample_test.c util.c util.h)
-target_link_libraries(downsample_test PRIVATE samplerate)
-add_test(NAME downsample_test COMMAND downsample_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(simple_test simple_test.c util.c util.h)
-target_link_libraries(simple_test PRIVATE samplerate)
-add_test(NAME simple_test COMMAND simple_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(callback_test callback_test.c util.c util.h)
-target_link_libraries(callback_test PRIVATE samplerate)
-add_test(NAME callback_test COMMAND callback_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(reset_test reset_test.c util.c util.h)
-target_link_libraries(reset_test PRIVATE samplerate)
-add_test(NAME reset_test COMMAND reset_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(clone_test clone_test.c util.c util.h)
-target_link_libraries(clone_test PRIVATE samplerate)
-add_test(NAME clone_test COMMAND clone_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(nullptr_test nullptr_test.c util.c util.h)
-target_link_libraries(nullptr_test PRIVATE samplerate)
-add_test(NAME nullptr_test COMMAND nullptr_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(multi_channel_test multi_channel_test.c calc_snr.c util.c util.h)
-target_link_libraries(multi_channel_test
-  PRIVATE
-    samplerate
-    $<$<BOOL:${FFTW3_FOUND}>:FFTW3::fftw3>
-   )
-add_test(NAME multi_channel_test COMMAND multi_channel_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(varispeed_test varispeed_test.c calc_snr.c util.c util.h)
-target_link_libraries(varispeed_test
-  PRIVATE samplerate
-    $<$<BOOL:${FFTW3_FOUND}>:FFTW3::fftw3>
-   )
-add_test(NAME varispeed_test COMMAND varispeed_test util.c util.h WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(float_short_test float_short_test.c)
-target_link_libraries(float_short_test PRIVATE samplerate)
-add_test(NAME float_short_test COMMAND float_short_test WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(snr_bw_test snr_bw_test.c calc_snr.c util.c util.h)
-target_link_libraries(snr_bw_test
-  PRIVATE
-    samplerate
-    $<$<BOOL:${FFTW3_FOUND}>:FFTW3::fftw3>
-   )
-add_test(NAME snr_bw_test COMMAND snr_bw_test util.c util.h WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/src)
-
-add_executable(throughput_test throughput_test.c util.c util.h)
-target_link_libraries(throughput_test PRIVATE samplerate)
-
-add_executable(multichan_throughput_test multichan_throughput_test.c util.c util.h)
-target_link_libraries(multichan_throughput_test PRIVATE samplerate)
-
-add_executable(src-evaluate src-evaluate.c util.c util.h calc_snr.c)
-target_link_libraries(src-evaluate
-  PRIVATE
-    samplerate
-    $<$<BOOL:${FFTW3_FOUND}>:FFTW3::fftw3>
-    $<$<BOOL:${SndFile_FOUND}>:${SNDFILE_TARGET}>
-   )
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/calc_snr.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/calc_snr.c
deleted file mode 100755
index 35a37f77..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/calc_snr.c
+++ /dev/null
@@ -1,243 +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 "util.h"
-
-#if (HAVE_FFTW3)
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include <fftw3.h>
-
-#define	MAX_SPEC_LEN	(1<<18)
-#define	MAX_PEAKS		10
-
-static void log_mag_spectrum (double *input, int len, double *magnitude) ;
-static void smooth_mag_spectrum (double *magnitude, int len) ;
-static double find_snr (const double *magnitude, int len, int expected_peaks) ;
-
-typedef struct
-{	double	peak ;
-	int		index ;
-} PEAK_DATA ;
-
-double
-calculate_snr (float *data, int len, int expected_peaks)
-{	static double magnitude [MAX_SPEC_LEN] ;
-	static double datacopy [MAX_SPEC_LEN] ;
-
-	double snr = 200.0 ;
-	int k ;
-
-	if (len > MAX_SPEC_LEN)
-	{	printf ("%s : line %d : data length too large.\n", __FILE__, __LINE__) ;
-		exit (1) ;
-		} ;
-
-	for (k = 0 ; k < len ; k++)
-		datacopy [k] = data [k] ;
-
-	/* Pad the data just a little to speed up the FFT. */
-	while ((len & 0x1F) && len < MAX_SPEC_LEN)
-	{	datacopy [len] = 0.0 ;
-		len ++ ;
-		} ;
-
-	log_mag_spectrum (datacopy, len, magnitude) ;
-	smooth_mag_spectrum (magnitude, len / 2) ;
-
-	snr = find_snr (magnitude, len, expected_peaks) ;
-
-	return snr ;
-} /* calculate_snr */
-
-/*==============================================================================
-** There is a slight problem with trying to measure SNR with the method used
-** here; the side lobes of the windowed FFT can look like a noise/aliasing peak.
-** The solution is to smooth the magnitude spectrum by wiping out troughs
-** between adjacent peaks as done here.
-** This removes side lobe peaks without affecting noise/aliasing peaks.
-*/
-
-static void linear_smooth (double *mag, PEAK_DATA *larger, PEAK_DATA *smaller) ;
-
-static void
-smooth_mag_spectrum (double *mag, int len)
-{	PEAK_DATA peaks [2] ;
-
-	int k ;
-
-	memset (peaks, 0, sizeof (peaks)) ;
-
-	/* Find first peak. */
-	for (k = 1 ; k < len - 1 ; k++)
-	{	if (mag [k - 1] < mag [k] && mag [k] >= mag [k + 1])
-		{	peaks [0].peak = mag [k] ;
-			peaks [0].index = k ;
-			break ;
-			} ;
-		} ;
-
-	/* Find subsequent peaks ans smooth between peaks. */
-	for (k = peaks [0].index + 1 ; k < len - 1 ; k++)
-	{	if (mag [k - 1] < mag [k] && mag [k] >= mag [k + 1])
-		{	peaks [1].peak = mag [k] ;
-			peaks [1].index = k ;
-
-			if (peaks [1].peak > peaks [0].peak)
-				linear_smooth (mag, &peaks [1], &peaks [0]) ;
-			else
-				linear_smooth (mag, &peaks [0], &peaks [1]) ;
-			peaks [0] = peaks [1] ;
-			} ;
-		} ;
-
-} /* smooth_mag_spectrum */
-
-static void
-linear_smooth (double *mag, PEAK_DATA *larger, PEAK_DATA *smaller)
-{	int k ;
-
-	if (smaller->index < larger->index)
-	{	for (k = smaller->index + 1 ; k < larger->index ; k++)
-			mag [k] = (mag [k] < mag [k - 1]) ? 0.999 * mag [k - 1] : mag [k] ;
-		}
-	else
-	{	for (k = smaller->index - 1 ; k >= larger->index ; k--)
-			mag [k] = (mag [k] < mag [k + 1]) ? 0.999 * mag [k + 1] : mag [k] ;
-		} ;
-
-} /* linear_smooth */
-
-/*==============================================================================
-*/
-
-static int
-peak_compare (const void *vp1, const void *vp2)
-{	const PEAK_DATA *peak1, *peak2 ;
-
-	peak1 = (const PEAK_DATA*) vp1 ;
-	peak2 = (const PEAK_DATA*) vp2 ;
-
-	return (peak1->peak < peak2->peak) ? 1 : -1 ;
-} /* peak_compare */
-
-static double
-find_snr (const double *magnitude, int len, int expected_peaks)
-{	PEAK_DATA peaks [MAX_PEAKS] ;
-
-	int		k, peak_count = 0 ;
-	double	snr ;
-
-	memset (peaks, 0, sizeof (peaks)) ;
-
-	/* Find the MAX_PEAKS largest peaks. */
-	for (k = 1 ; k < len - 1 ; k++)
-	{	if (magnitude [k - 1] < magnitude [k] && magnitude [k] >= magnitude [k + 1])
-		{	if (peak_count < MAX_PEAKS)
-			{	peaks [peak_count].peak = magnitude [k] ;
-				peaks [peak_count].index = k ;
-				peak_count ++ ;
-				qsort (peaks, peak_count, sizeof (PEAK_DATA), peak_compare) ;
-				}
-			else if (magnitude [k] > peaks [MAX_PEAKS - 1].peak)
-			{	peaks [MAX_PEAKS - 1].peak = magnitude [k] ;
-				peaks [MAX_PEAKS - 1].index = k ;
-				qsort (peaks, MAX_PEAKS, sizeof (PEAK_DATA), peak_compare) ;
-				} ;
-			} ;
-		} ;
-
-	if (peak_count < expected_peaks)
-	{	printf ("\n%s : line %d : bad peak_count (%d), expected %d.\n\n", __FILE__, __LINE__, peak_count, expected_peaks) ;
-		return -1.0 ;
-		} ;
-
-	/* Sort the peaks. */
-	qsort (peaks, peak_count, sizeof (PEAK_DATA), peak_compare) ;
-
-	snr = peaks [0].peak ;
-	for (k = 1 ; k < peak_count ; k++)
-		if (fabs (snr - peaks [k].peak) > 10.0)
-			return fabs (peaks [k].peak) ;
-
-	return snr ;
-} /* find_snr */
-
-static void
-log_mag_spectrum (double *input, int len, double *magnitude)
-{	fftw_plan plan = NULL ;
-
-	double	maxval ;
-	int		k ;
-
-	if (input == NULL || magnitude == NULL)
-		return ;
-
-	plan = fftw_plan_r2r_1d (len, input, magnitude, FFTW_R2HC, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT) ;
-	if (plan == NULL)
-	{	printf ("%s : line %d : create plan failed.\n", __FILE__, __LINE__) ;
-		exit (1) ;
-		} ;
-
-	fftw_execute (plan) ;
-
-	fftw_destroy_plan (plan) ;
-
-	maxval = 0.0 ;
-	for (k = 1 ; k < len / 2 ; k++)
-	{	/*
-		** From : http://www.fftw.org/doc/Real_002dto_002dReal-Transform-Kinds.html#Real_002dto_002dReal-Transform-Kinds
-		**
-		** FFTW_R2HC computes a real-input DFT with output in “halfcomplex” format, i.e. real and imaginary parts
-		** for a transform of size n stored as:
-		**
-		**      r0, r1, r2, ..., rn/2, i(n+1)/2-1, ..., i2, i1
-		*/
-		double re = magnitude [k] ;
-		double im = magnitude [len - k] ;
-		magnitude [k] = sqrt (re * re + im * im) ;
-		maxval = (maxval < magnitude [k]) ? magnitude [k] : maxval ;
-		} ;
-
-	memset (magnitude + len / 2, 0, len / 2 * sizeof (magnitude [0])) ;
-
-	/* Don't care about DC component. Make it zero. */
-	magnitude [0] = 0.0 ;
-
-	/* log magnitude. */
-	for (k = 0 ; k < len ; k++)
-	{	magnitude [k] = magnitude [k] / maxval ;
-		magnitude [k] = (magnitude [k] < 1e-15) ? -200.0 : 20.0 * log10 (magnitude [k]) ;
-		} ;
-
-	return ;
-} /* log_mag_spectrum */
-
-#else /* ! (HAVE_LIBFFTW && HAVE_LIBRFFTW) */
-
-double
-calculate_snr (float *data, int len, int expected_peaks)
-{	double snr = 200.0 ;
-
-	data = data ;
-	len = len ;
-	expected_peaks = expected_peaks ;
-
-	return snr ;
-} /* calculate_snr */
-
-#endif
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/callback_hang_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/callback_hang_test.c
deleted file mode 100755
index 42a1bb03..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/callback_hang_test.c
+++ /dev/null
@@ -1,127 +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>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <math.h>
-
-#if HAVE_ALARM && HAVE_SIGNAL && HAVE_SIGALRM
-
-#include <signal.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define	SHORT_BUFFER_LEN	512
-#define	LONG_BUFFER_LEN		(1 << 14)
-
-typedef struct
-{	double ratio ;
-	int count ;
-} SRC_PAIR ;
-
-static void callback_hang_test (int converter) ;
-
-static void alarm_handler (int number) ;
-static long input_callback (void *cb_data, float **data) ;
-
-
-int
-main (void)
-{
-	/* Set up SIGALRM handler. */
-	signal (SIGALRM, alarm_handler) ;
-
-	puts ("") ;
-	callback_hang_test (SRC_ZERO_ORDER_HOLD) ;
-	callback_hang_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	callback_hang_test (SRC_SINC_FASTEST) ;
-#endif
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-
-static void
-callback_hang_test (int converter)
-{	static float output [LONG_BUFFER_LEN] ;
-	static SRC_PAIR pairs [] =
-	{
-		{ 1.2, 5 }, { 1.1, 1 }, { 1.0, 1 }, { 3.0, 1 }, { 2.0, 1 }, { 0.3, 1 },
-		{ 1.2, 0 }, { 1.1, 10 }, { 1.0, 1 }
-		} ;
-
-
-	SRC_STATE	*src_state ;
-
-	double src_ratio = 1.0 ;
-	int k, error ;
-
-	printf ("\tcallback_hang_test  (%-28s) ....... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	/* Perform sample rate conversion. */
-	src_state = src_callback_new (input_callback, converter, 1, &error, NULL) ;
-	if (src_state == NULL)
-	{	printf ("\n\nLine %d : src_callback_new () failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	for (k = 0 ; k < ARRAY_LEN (pairs) ; k++)
-	{	alarm (1) ;
-		src_ratio = pairs [k].ratio ;
-		src_callback_read (src_state, src_ratio, pairs [k].count, output) ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	alarm (0) ;
-	puts ("ok") ;
-
-	return ;
-} /* callback_hang_test */
-
-static void
-alarm_handler (int number)
-{
-	(void) number ;
-	printf ("\n\n    Error : Hang inside src_callback_read() detected. Exiting!\n\n") ;
-	exit (1) ;
-} /* alarm_handler */
-
-static long
-input_callback (void *cb_data, float **data)
-{
-	static float buffer [20] ;
-
-	(void) cb_data ;
-	*data = buffer ;
-
-	return ARRAY_LEN (buffer) ;
-} /* input_callback */
-
-#else
-
-int
-main (void)
-{
-	puts ("\tCan't run this test on this platform.") ;
-	return 0 ;
-} /* main */
-
-#endif
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/callback_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/callback_test.c
deleted file mode 100755
index c13d2061..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/callback_test.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
-** Copyright (c) 2003-2016, 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 <math.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		10000
-#define CB_READ_LEN		256
-
-static void callback_test (int converter, double ratio) ;
-static void end_of_stream_test (int converter) ;
-
-int
-main (void)
-{	static double src_ratios [] =
-	{	1.0, 0.099, 0.1, 0.33333333, 0.789, 1.0001, 1.9, 3.1, 9.9
-	} ;
-
-	int k ;
-
-	puts ("") ;
-
-	puts ("    Zero Order Hold interpolator :") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		callback_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ;
-
-	puts ("    Linear interpolator :") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		callback_test (SRC_LINEAR, src_ratios [k]) ;
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	puts ("    Sinc interpolator :") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		callback_test (SRC_SINC_FASTEST, src_ratios [k]) ;
-#endif
-	puts ("") ;
-
-	puts ("    End of stream test :") ;
-	end_of_stream_test (SRC_ZERO_ORDER_HOLD) ;
-	end_of_stream_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	end_of_stream_test (SRC_SINC_FASTEST) ;
-#endif
-
-	puts ("") ;
-	return 0 ;
-} /* main */
-
-/*=====================================================================================
-*/
-
-typedef struct
-{	int channels ;
-	long count, total ;
-	int end_of_data ;
-	float data [BUFFER_LEN] ;
-} TEST_CB_DATA ;
-
-static long
-test_callback_func (void *cb_data, float **data)
-{	TEST_CB_DATA *pcb_data ;
-
-	long frames ;
-
-	if ((pcb_data = cb_data) == NULL)
-		return 0 ;
-
-	if (data == NULL)
-		return 0 ;
-
-	if (pcb_data->total - pcb_data->count > CB_READ_LEN)
-		frames = CB_READ_LEN / pcb_data->channels ;
-	else
-		frames = (pcb_data->total - pcb_data->count) / pcb_data->channels ;
-
-	*data = pcb_data->data + pcb_data->count ;
-	pcb_data->count += frames ;
-
-	return frames ;
-} /* test_callback_func */
-
-
-static void
-callback_test (int converter, double src_ratio)
-{	static TEST_CB_DATA test_callback_data ;
-	static float output [BUFFER_LEN] ;
-
-	SRC_STATE	*src_state ;
-
-	long	read_count, read_total ;
-	int 	error ;
-
-	printf ("\tcallback_test    (SRC ratio = %6.4f) ........... ", src_ratio) ;
-	fflush (stdout) ;
-
-	test_callback_data.channels = 2 ;
-	test_callback_data.count = 0 ;
-	test_callback_data.end_of_data = 0 ;
-	test_callback_data.total = ARRAY_LEN (test_callback_data.data) ;
-
-	if ((src_state = src_callback_new (test_callback_func, converter, test_callback_data.channels, &error, &test_callback_data)) == NULL)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	read_total = 0 ;
-	do
-	{	/* We will be throwing away output data, so just grab as much as possible. */
-		read_count = ARRAY_LEN (output) / test_callback_data.channels ;
-		read_count = src_callback_read (src_state, src_ratio, read_count, output) ;
-		read_total += read_count ;
-		}
-	while (read_count > 0) ;
-
-	if ((error = src_error (src_state)) != 0)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_delete (src_state) ;
-
-	if (fabs (read_total / src_ratio - ARRAY_LEN (test_callback_data.data)) > 2.0)
-	{	printf ("\n\nLine %d : input / output length mismatch.\n\n", __LINE__) ;
-		printf ("    input len  : %d\n", ARRAY_LEN (test_callback_data.data)) ;
-		printf ("    output len : %ld (should be %g +/- 2)\n\n", read_total,
-					floor (0.5 + src_ratio * ARRAY_LEN (test_callback_data.data))) ;
-		exit (1) ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* callback_test */
-
-/*=====================================================================================
-*/
-
-static long
-eos_callback_func (void *cb_data, float **data)
-{
-	TEST_CB_DATA *pcb_data ;
-	long frames ;
-
-	if (data == NULL)
-		return 0 ;
-
-	if ((pcb_data = cb_data) == NULL)
-		return 0 ;
-
-	/*
-	**	Return immediately if there is no more data.
-	**	In this case, the output pointer 'data' will not be set and
-	**	valgrind should not warn about it.
-	*/
-	if (pcb_data->end_of_data)
-		return 0 ;
-
-	if (pcb_data->total - pcb_data->count > CB_READ_LEN)
-		frames = CB_READ_LEN / pcb_data->channels ;
-	else
-		frames = (pcb_data->total - pcb_data->count) / pcb_data->channels ;
-
-	*data = pcb_data->data + pcb_data->count ;
-	pcb_data->count += frames ;
-
-	/*
-	**	Set end_of_data so that the next call to the callback function will
-	**	return zero ocunt without setting the 'data' pointer.
-	*/
-	if (pcb_data->total < 2 * pcb_data->count)
-		pcb_data->end_of_data = 1 ;
-
-	return frames ;
-} /* eos_callback_data */
-
-
-static void
-end_of_stream_test (int converter)
-{	static TEST_CB_DATA test_callback_data ;
-	static float output [BUFFER_LEN] ;
-
-	SRC_STATE	*src_state ;
-
-	double	src_ratio = 0.3 ;
-	long	read_count ;
-	int 	error ;
-
-	printf ("\t%-30s        ........... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	test_callback_data.channels = 2 ;
-	test_callback_data.count = 0 ;
-	test_callback_data.end_of_data = 0 ;
-	test_callback_data.total = ARRAY_LEN (test_callback_data.data) ;
-
-	if ((src_state = src_callback_new (eos_callback_func, converter, test_callback_data.channels, &error, &test_callback_data)) == NULL)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	do
-	{	/* We will be throwing away output data, so just grab as much as possible. */
-		read_count = ARRAY_LEN (output) / test_callback_data.channels ;
-		read_count = src_callback_read (src_state, src_ratio, read_count, output) ;
-		}
-	while (read_count > 0) ;
-
-	if ((error = src_error (src_state)) != 0)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_delete (src_state) ;
-
-	if (test_callback_data.end_of_data == 0)
-	{	printf ("\n\nLine %d : test_callback_data.end_of_data should not be 0."
-				" This is a bug in the test.\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	puts ("ok") ;
-	return ;
-} /* end_of_stream_test */
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/clone_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/clone_test.c
deleted file mode 100755
index 0e420e1f..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/clone_test.c
+++ /dev/null
@@ -1,134 +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 <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		(1 << 16)
-#define NUM_CHANNELS 	2
-#define FRAMES_PER_PASS (BUFFER_LEN >> 1)
-
-static void
-clone_test (int converter)
-{	static float input_serial [BUFFER_LEN * NUM_CHANNELS], input_interleaved [BUFFER_LEN * NUM_CHANNELS] ;
-	static float output [BUFFER_LEN * NUM_CHANNELS], output_cloned [BUFFER_LEN * NUM_CHANNELS] ;
-	double sine_freq ;
-
-	SRC_STATE* src_state ;
-	SRC_STATE* src_state_cloned ;
-	SRC_DATA src_data, src_data_cloned ;
-
-	int error, frame, ch, idx ;
-
-	printf ("        clone_test          (%-28s) ....... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	memset (input_serial, 0, sizeof (input_serial)) ;
-	memset (input_interleaved, 0, sizeof (input_interleaved)) ;
-	memset (output, 0, sizeof (output)) ;
-	memset (output_cloned, 0, sizeof (output_cloned)) ;
-
-	/* Fill input buffer with an n-channel interleaved sine wave */
-	sine_freq = 0.0111 ;
-	gen_windowed_sines (1, &sine_freq, 1.0, input_serial, BUFFER_LEN) ;
-	gen_windowed_sines (1, &sine_freq, 1.0, input_serial + BUFFER_LEN, BUFFER_LEN) ;
-	interleave_data (input_serial, input_interleaved, BUFFER_LEN, NUM_CHANNELS) ;
-
-	if ((src_state = src_new (converter, NUM_CHANNELS, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Perform initial pass using first half of buffer so that src_state has non-trivial state */
-	src_data.src_ratio = 1.1 ;
-	src_data.input_frames = FRAMES_PER_PASS ;
-	src_data.output_frames = FRAMES_PER_PASS ;
-	src_data.data_in = input_interleaved ;
-	src_data.data_out = output ;
-	src_data.output_frames_gen = 0 ;
-
-	if ((error = src_process (src_state, &src_data)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		printf ("  src_data.input_frames  : %ld\n", src_data.input_frames) ;
-		printf ("  src_data.output_frames : %ld\n\n", src_data.output_frames) ;
-		exit (1) ;
-		} ;
-
-	/* Clone handle */
-	if ((src_state_cloned = src_clone (src_state, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_clone() failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Process second half of buffer with both handles */
-	src_data.data_in = input_interleaved + FRAMES_PER_PASS ;
-
-	src_data_cloned = src_data ;
-	src_data_cloned.data_out = output_cloned ;
-
-	if ((error = src_process (src_state, &src_data)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		printf ("  src_data.input_frames  : %ld\n", src_data.input_frames) ;
-		printf ("  src_data.output_frames : %ld\n\n", src_data.output_frames) ;
-		exit (1) ;
-		} ;
-
-	if ((error = src_process (src_state_cloned, &src_data_cloned)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		printf ("  src_data.input_frames  : %ld\n", src_data.input_frames) ;
-		printf ("  src_data.output_frames : %ld\n\n", src_data.output_frames) ;
-		exit (1) ;
-		} ;
-
-	/* Check that both handles generated the same number of output frames */
-	if (src_data.output_frames_gen != src_data_cloned.output_frames_gen)
-	{	printf ("\n\nLine %d : cloned output_frames_gen (%ld) != original (%ld)\n\n", __LINE__,
-				src_data_cloned.output_frames_gen, src_data.output_frames_gen) ;
-		exit (1) ;
-		} ;
-
-	for (ch = 0 ; ch < NUM_CHANNELS ; ch++)
-	{	for (frame = 0 ; frame < src_data.output_frames_gen ; frame++)
-		{	idx = ch * NUM_CHANNELS + ch ;
-			if (output[idx] != output_cloned[idx])
-			{	printf ("\n\nLine %d : cloned data does not equal original data at channel %d, frame %d\n\n",
-						__LINE__, ch, frame) ;
-				exit (1) ;
-				} ;
-			} ;
-		} ;
-
-	src_delete (src_state) ;
-	src_delete (src_state_cloned) ;
-
-	puts ("ok") ;
-} /* clone_test */
-
-int
-main (void)
-{
-	puts("");
-
-	clone_test (SRC_ZERO_ORDER_HOLD) ;
-	clone_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	clone_test (SRC_SINC_FASTEST) ;
-#endif
-	puts("");
-
-	return 0 ;
-} /* main */
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/downsample_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/downsample_test.c
deleted file mode 100755
index 6a4a75e1..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/downsample_test.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-** Copyright (c) 2008-2016, 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 <samplerate.h>
-
-#include "util.h"
-
-static void
-downsample_test (int converter)
-{	static float in [1000], out [10] ;
-	SRC_DATA data ;
-
-    printf ("        downsample_test     (%-28s) ....... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	data.src_ratio = 1.0 / 255.0 ;
-	data.input_frames = ARRAY_LEN (in) ;
-	data.output_frames = ARRAY_LEN (out) ;
-	data.data_in = in ;
-	data.data_out = out ;
-
-	if (src_simple (&data, converter, 1))
-	{	puts ("src_simple failed.") ;
-		exit (1) ;
-		} ;
-
-	puts ("ok") ;
-} /* downsample_test */
-
-int
-main (void)
-{
-	puts ("") ;
-
-	downsample_test (SRC_ZERO_ORDER_HOLD) ;
-	downsample_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	downsample_test (SRC_SINC_FASTEST) ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-	downsample_test (SRC_SINC_MEDIUM_QUALITY) ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-	downsample_test (SRC_SINC_BEST_QUALITY) ;
-#endif
-
-	puts ("") ;
-
-	return 0 ;
-} /* main */
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/float_short_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/float_short_test.c
deleted file mode 100755
index 8c423e18..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/float_short_test.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
-** Copyright (c) 2003-2016, 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 <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		10000
-
-static void float_to_short_test (void) ;
-static void short_to_float_test (void) ;
-
-static void float_to_int_test (void) ;
-static void int_to_float_test (void) ;
-
-int
-main (void)
-{
-	puts ("") ;
-
-	float_to_short_test () ;
-	short_to_float_test () ;
-
-	float_to_int_test () ;
-	int_to_float_test () ;
-
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-/*=====================================================================================
-*/
-
-static void
-float_to_short_test (void)
-{
-	static float fpos [] =
-	{	0.95f, 0.99f, 1.0f, 1.01f, 1.1f, 2.0f, 11.1f, 111.1f, 2222.2f, 33333.3f,
-		// Some "almost 1" as corner cases
-		(float) (32767.0 / 32768.0), (float) ((32767.0 + 0.4) / 32768.0), (float) ((32767. + 0.5) / 32768.0),
-		(float) ((32767.0 + 0.6) / 32768.0), (float) ((32767.0 + 0.9) / 32768.0),
-		} ;
-	static float fneg [] =
-	{	-0.95f, -0.99f, -1.0f, -1.01f, -1.1f, -2.0f, -11.1f, -111.1f, -2222.2f, -33333.3f,
-		// Some "almost 1" as corner cases
-		(float) (-32767.0 / 32768.0), (float) (-(32767.0 + 0.4) / 32768.0), (float) (-(32767.0 + 0.5) / 32768.0),
-		(float) (-(32767.0 + 0.6) / 32768.0), (float) (-(32767.0 + 0.9) / 32768.0),
-		} ;
-
-	static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
-
-	int k ;
-
-	printf ("\tfloat_to_short_test ............................. ") ;
-
-	src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ;
-
-	for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
-		if (out [k] < 30000)
-		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
-			exit (1) ;
-			} ;
-
-	src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ;
-
-	for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
-		if (out [k] > -30000)
-		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
-			exit (1) ;
-			} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* float_to_short_test */
-
-/*-------------------------------------------------------------------------------------
-*/
-
-static void
-short_to_float_test (void)
-{
-	static short input	[BUFFER_LEN] ;
-	static short output	[BUFFER_LEN] ;
-	static float temp	[BUFFER_LEN] ;
-
-	int k ;
-
-	printf ("\tshort_to_float_test ............................. ") ;
-
-	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
-		input [k] = (k * 0x8000) / ARRAY_LEN (input) ;
-
-	src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ;
-	src_float_to_short_array (temp, output, ARRAY_LEN (output)) ;
-
-	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
-		if (ABS (input [k] - output [k]) > 0)
-		{	printf ("\n\n\tLine %d : index %d   %d -> %d\n", __LINE__, k, input [k], output [k]) ;
-			exit (1) ;
-			} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* short_to_float_test */
-
-/*=====================================================================================
-*/
-
-static void
-float_to_int_test (void)
-{
-	static float fpos [] =
-	{	0.95f, 0.99f, 1.0f, 1.01f, 1.1f, 2.0f, 11.1f, 111.1f, 2222.2f, 33333.3f
-		} ;
-	static float fneg [] =
-	{	-0.95f, -0.99f, -1.0f, -1.01f, -1.1f, -2.0f, -11.1f, -111.1f, -2222.2f, -33333.3f
-		} ;
-
-	static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
-
-	int k ;
-
-	printf ("\tfloat_to_int_test ............................... ") ;
-
-	src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ;
-
-	for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
-		if (out [k] < 30000 * 0x10000)
-		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
-			exit (1) ;
-			} ;
-
-	src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ;
-
-	for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
-		if (out [k] > -30000 * 0x1000)
-		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
-			exit (1) ;
-			} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* float_to_int_test */
-
-/*-------------------------------------------------------------------------------------
-*/
-
-static void
-int_to_float_test (void)
-{
-	static int input	[BUFFER_LEN] ;
-	static int output	[BUFFER_LEN] ;
-	static float temp	[BUFFER_LEN] ;
-
-	int k ;
-
-	printf ("\tint_to_float_test ............................... ") ;
-
-	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
-		input [k] = (k * 0x80000000) / ARRAY_LEN (input) ;
-
-	src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ;
-	src_float_to_int_array (temp, output, ARRAY_LEN (output)) ;
-
-	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
-		if (ABS (input [k] - output [k]) > 0)
-		{	printf ("\n\n\tLine %d : index %d   %d -> %d\n", __LINE__, k, input [k], output [k]) ;
-			exit (1) ;
-			} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* int_to_float_test */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/misc_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/misc_test.c
deleted file mode 100755
index 6d3c0d4e..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/misc_test.c
+++ /dev/null
@@ -1,208 +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 <samplerate.h>
-
-#include "util.h"
-
-static void name_test (void) ;
-static void error_test (void) ;
-static void src_ratio_test (void) ;
-static void zero_input_test (int converter) ;
-static void get_channels_test (int converter);
-
-int
-main (void)
-{
-	puts ("") ;
-
-	printf ("    version : %s\n\n", src_get_version ()) ;
-
-	/* Current max converter is SRC_LINEAR. */
-	name_test () ;
-
-	error_test () ;
-
-	src_ratio_test () ;
-
-	zero_input_test (SRC_ZERO_ORDER_HOLD) ;
-	zero_input_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	zero_input_test (SRC_SINC_FASTEST) ;
-#endif
-	get_channels_test (SRC_ZERO_ORDER_HOLD) ;
-	get_channels_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	get_channels_test (SRC_SINC_FASTEST) ;
-#endif
-	puts ("") ;
-	return 0 ;
-} /* main */
-
-static void
-name_test (void)
-{	const char	*name ;
-	int	k = 0 ;
-
-	puts ("    name_test :") ;
-
-	while (1)
-	{	name = src_get_name (k) ;
-		if (name == NULL)
-			break ;
-		printf ("\tName %d : %s\n", k, name) ;
-		printf ("\tDesc %d : %s\n", k, src_get_description (k)) ;
-		k ++ ;
-		} ;
-
-	puts ("") ;
-
-	return ;
-} /* name_test */
-
-/*------------------------------------------------------------------------------
-*/
-
-typedef struct
-{	double	ratio ;
-	int		should_pass ;
-} RATIO_TEST ;
-
-static RATIO_TEST ratio_test [] =
-{	{	1.0 / 256.1,	0 },
-	{	1.0 / 256.0,	1 },
-	{	1.0,			1 },
-	{	256.0, 			1 },
-	{	256.1,			0 },
-	{	-1.0,			0 }
-} ;
-
-static void
-src_ratio_test (void)
-{	int k ;
-
-	puts ("    src_ratio_test (SRC ratio must be in range [1/256, 256]):" ) ;
-
-
-	for (k = 0 ; k < ARRAY_LEN (ratio_test) ; k++)
-	{	if (ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) == 0)
-		{	printf ("\n\nLine %d : SRC ratio %f should have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
-			exit (1) ;
-			} ;
-		if (! ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) != 0)
-		{	printf ("\n\nLine %d : SRC ratio %f should not have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
-			exit (1) ;
-			} ;
-		printf ("\t SRC ratio (%9.5f) : %s ................... ok\n", ratio_test [k].ratio,
-			(ratio_test [k].should_pass ? "pass" : "fail")) ;
-		} ;
-
-	puts ("") ;
-
-	return ;
-} /* src_ratio_test */
-
-static void
-error_test (void)
-{	const char *errorstr ;
-	int		k, errors = 0 ;
-
-	puts ("    error_test :") ;
-
-	for (k = 0 ; 1 ; k++)
-	{	errorstr = src_strerror (k) ;
-		printf ("\t%-2d : %s\n", k, errorstr) ;
-		if (errorstr == NULL)
-		{	errors ++ ;
-			continue ;
-			} ;
-		if (strstr (errorstr, "Placeholder.") == errorstr)
-			break ;
-		} ;
-
-	if (errors != 0)
-	{	printf ("\n\nLine %d : Missing error numbers above.\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	puts ("") ;
-
-	return ;
-} /* error_test */
-
-static void
-zero_input_test (int converter)
-{	SRC_DATA data ;
-	SRC_STATE *state ;
-	float out [100] ;
-	int error ;
-
-	printf ("    %s (%-26s) ........ ", __func__, src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	if ((state = src_new (converter, 1, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	data.data_in = (float *) (size_t) 0xdeadbeef ;
-	data.input_frames = 0 ;
-	data.data_out = out ;
-	data.output_frames = ARRAY_LEN (out) ;
-	data.end_of_input = 0 ;
-	data.src_ratio = 1.0 ;
-
-	if ((error = src_process (state, &data)))
-	{	printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	state = src_delete (state) ;
-
-	puts ("ok") ;
-} /* zero_input_test */
-
-static void get_channels_test(int converter)
-{
-	SRC_STATE *state;
-	int channels_in, channels_out;
-	const char *errorstr;
-
-	state = NULL;
-	if ((channels_out = src_get_channels(state)) >= 0)
-	{
-		printf ("\n\nLine %d : Return value should be negative, was : %d.\n\n", __LINE__, channels_out) ;
-		exit (1) ;
-	}
-	errorstr = src_strerror(-channels_out);
-	if (!strstr(errorstr, "NULL"))
-	{
-		printf ("\n\nLine %d : Inverted output should be valid error code mentioning a NULL pointer, was : %s.\n\n", __LINE__, errorstr) ;
-		exit (1) ;
-	}
-
-	for (channels_in = 1; channels_in <= 8; channels_in++)
-	{
-		int error;
-		state = src_new(converter, channels_in, &error);
-		if ((channels_out = src_get_channels(state)) != channels_in)
-		{
-			printf ("\n\nLine %d : Return value should be %d, was : %d.\n\n", __LINE__, channels_in, channels_out) ;
-			exit (1) ;
-		}
-		state = src_delete(state);
-	}
-}
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/multi_channel_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/multi_channel_test.c
deleted file mode 100755
index 0afb6398..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/multi_channel_test.c
+++ /dev/null
@@ -1,368 +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 <math.h>
-#include <assert.h>
-
-#if (HAVE_FFTW3)
-#include <fftw3.h>
-#else
-static inline void
-fftw_cleanup (void)
-{	return ;
-}
-#endif
-
-#include <samplerate.h>
-
-#include "util.h"
-#define	BUFFER_LEN		50000
-#define	BLOCK_LEN		(12)
-
-#define	MAX_CHANNELS	10
-
-static void simple_test (int converter, int channel_count, double target_snr) ;
-static void process_test (int converter, int channel_count, double target_snr) ;
-static void callback_test (int converter, int channel_count, double target_snr) ;
-
-int
-main (void)
-{	double target ;
-	int k ;
-
-	puts ("\n    Zero Order Hold interpolator :") ;
-	target = 38.0 ;
-	for (k = 1 ; k <= 3 ; k++)
-	{	simple_test		(SRC_ZERO_ORDER_HOLD, k, target) ;
-		process_test	(SRC_ZERO_ORDER_HOLD, k, target) ;
-		callback_test	(SRC_ZERO_ORDER_HOLD, k, target) ;
-		} ;
-
-	puts ("\n    Linear interpolator :") ;
-	target = 79.0 ;
-	for (k = 1 ; k <= 3 ; k++)
-	{	simple_test		(SRC_LINEAR, k, target) ;
-		process_test	(SRC_LINEAR, k, target) ;
-		callback_test	(SRC_LINEAR, k, target) ;
-		} ;
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	puts ("\n    Sinc interpolator :") ;
-	target = 100.0 ;
-	for (k = 1 ; k <= MAX_CHANNELS ; k++)
-	{	simple_test		(SRC_SINC_FASTEST, k, target) ;
-		process_test	(SRC_SINC_FASTEST, k, target) ;
-		callback_test	(SRC_SINC_FASTEST, k, target) ;
-		} ;
-#endif
-
-	fftw_cleanup () ;
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-/*==============================================================================
-*/
-
-static float input_serial		[BUFFER_LEN * MAX_CHANNELS] ;
-static float input_interleaved	[BUFFER_LEN * MAX_CHANNELS] ;
-static float output_interleaved	[BUFFER_LEN * MAX_CHANNELS] ;
-static float output_serial		[BUFFER_LEN * MAX_CHANNELS] ;
-
-static void
-simple_test (int converter, int channel_count, double target_snr)
-{	SRC_DATA	src_data ;
-
-	double	freq, snr ;
-	int		ch, error, frames ;
-
-	printf ("\t%-22s (%2d channel%c) ............ ", "simple_test", channel_count, channel_count > 1 ? 's' : ' ') ;
-	fflush (stdout) ;
-
-	assert (channel_count <= MAX_CHANNELS) ;
-
-	memset (input_serial, 0, sizeof (input_serial)) ;
-	memset (input_interleaved, 0, sizeof (input_interleaved)) ;
-	memset (output_interleaved, 0, sizeof (output_interleaved)) ;
-	memset (output_serial, 0, sizeof (output_serial)) ;
-
-	frames = BUFFER_LEN ;
-
-	/* Calculate channel_count separate windowed sine waves. */
-	for (ch = 0 ; ch < channel_count ; ch++)
-	{	freq = (200.0 + 33.333333333 * ch) / 44100.0 ;
-		gen_windowed_sines (1, &freq, 1.0, input_serial + ch * frames, frames) ;
-		} ;
-
-	/* Interleave the data in preparation for SRC. */
-	interleave_data (input_serial, input_interleaved, frames, channel_count) ;
-
-	/* Choose a converstion ratio <= 1.0. */
-	src_data.src_ratio = 0.95 ;
-
-	src_data.data_in = input_interleaved ;
-	src_data.input_frames = frames ;
-
-	src_data.data_out = output_interleaved ;
-	src_data.output_frames = frames ;
-
-	if ((error = src_simple (&src_data, converter, channel_count)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	if (fabs (src_data.output_frames_gen - src_data.src_ratio * src_data.input_frames) > 2)
-	{	printf ("\n\nLine %d : bad output data length %ld should be %d.\n", __LINE__,
-					src_data.output_frames_gen, (int) floor (src_data.src_ratio * src_data.input_frames)) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_data.src_ratio) ;
-		printf ("\tinput_len  : %ld\n", src_data.input_frames) ;
-		printf ("\toutput_len : %ld\n\n", src_data.output_frames_gen) ;
-		exit (1) ;
-		} ;
-
-	/* De-interleave data so SNR can be calculated for each channel. */
-	deinterleave_data (output_interleaved, output_serial, frames, channel_count) ;
-
-	for (ch = 0 ; ch < channel_count ; ch++)
-	{	snr = calculate_snr (output_serial + ch * frames, frames, 1) ;
-		if (snr < target_snr)
-		{	printf ("\n\nLine %d: channel %d snr %f should be %f\n", __LINE__, ch, snr, target_snr) ;
-			save_oct_float ("output.dat", input_serial, channel_count * frames, output_serial, channel_count * frames) ;
-			exit (1) ;
-			} ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* simple_test */
-
-/*==============================================================================
-*/
-
-static void
-process_test (int converter, int channel_count, double target_snr)
-{	SRC_STATE	*src_state ;
-	SRC_DATA	src_data ;
-
-	double	freq, snr ;
-	int		ch, error, frames, current_in, current_out ;
-
-	printf ("\t%-22s (%2d channel%c) ............ ", "process_test", channel_count, channel_count > 1 ? 's' : ' ') ;
-	fflush (stdout) ;
-
-	assert (channel_count <= MAX_CHANNELS) ;
-
-	memset (input_serial, 0, sizeof (input_serial)) ;
-	memset (input_interleaved, 0, sizeof (input_interleaved)) ;
-	memset (output_interleaved, 0, sizeof (output_interleaved)) ;
-	memset (output_serial, 0, sizeof (output_serial)) ;
-
-	frames = BUFFER_LEN ;
-
-	/* Calculate channel_count separate windowed sine waves. */
-	for (ch = 0 ; ch < channel_count ; ch++)
-	{	freq = (400.0 + 11.333333333 * ch) / 44100.0 ;
-		gen_windowed_sines (1, &freq, 1.0, input_serial + ch * frames, frames) ;
-		} ;
-
-	/* Interleave the data in preparation for SRC. */
-	interleave_data (input_serial, input_interleaved, frames, channel_count) ;
-
-	/* Perform sample rate conversion. */
-	if ((src_state = src_new (converter, channel_count, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.end_of_input = 0 ; /* Set this later. */
-
-	/* Choose a converstion ratio < 1.0. */
-	src_data.src_ratio = 0.95 ;
-
-	src_data.data_in = input_interleaved ;
-	src_data.data_out = output_interleaved ;
-
-	current_in = current_out = 0 ;
-
-	while (1)
-	{	src_data.input_frames	= MAX (MIN (BLOCK_LEN, frames - current_in), 0) ;
-		src_data.output_frames	= MAX (MIN (BLOCK_LEN, frames - current_out), 0) ;
-
-		if ((error = src_process (src_state, &src_data)))
-		{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.end_of_input && src_data.output_frames_gen == 0)
-			break ;
-
-		current_in	+= src_data.input_frames_used ;
-		current_out += src_data.output_frames_gen ;
-
-		src_data.data_in	+= src_data.input_frames_used * channel_count ;
-		src_data.data_out	+= src_data.output_frames_gen * channel_count ;
-
-		src_data.end_of_input = (current_in >= frames) ? 1 : 0 ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	if (fabs (current_out - src_data.src_ratio * current_in) > 2)
-	{	printf ("\n\nLine %d : bad output data length %d should be %d.\n", __LINE__,
-					current_out, (int) floor (src_data.src_ratio * current_in)) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_data.src_ratio) ;
-		printf ("\tinput_len  : %d\n", frames) ;
-		printf ("\toutput_len : %d\n\n", current_out) ;
-		exit (1) ;
-		} ;
-
-	/* De-interleave data so SNR can be calculated for each channel. */
-	deinterleave_data (output_interleaved, output_serial, frames, channel_count) ;
-
-	for (ch = 0 ; ch < channel_count ; ch++)
-	{	snr = calculate_snr (output_serial + ch * frames, frames, 1) ;
-		if (snr < target_snr)
-		{	printf ("\n\nLine %d: channel %d snr %f should be %f\n", __LINE__, ch, snr, target_snr) ;
-			save_oct_float ("output.dat", input_serial, channel_count * frames, output_serial, channel_count * frames) ;
-			exit (1) ;
-			} ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* process_test */
-
-/*==============================================================================
-*/
-
-typedef struct
-{	int channels ;
-	long total_frames ;
-	long current_frame ;
-	float *data ;
-} TEST_CB_DATA ;
-
-static long
-test_callback_func (void *cb_data, float **data)
-{	TEST_CB_DATA *pcb_data ;
-
-	long frames ;
-
-	if ((pcb_data = cb_data) == NULL)
-		return 0 ;
-
-	if (data == NULL)
-		return 0 ;
-
-	*data = pcb_data->data + (pcb_data->current_frame * pcb_data->channels) ;
-
-	if (pcb_data->total_frames - pcb_data->current_frame < BLOCK_LEN)
-		frames = pcb_data->total_frames - pcb_data->current_frame ;
-	else
-		frames = BLOCK_LEN ;
-
-	pcb_data->current_frame += frames ;
-
-	return frames ;
-} /* test_callback_func */
-
-static void
-callback_test (int converter, int channel_count, double target_snr)
-{	TEST_CB_DATA test_callback_data ;
-	SRC_STATE	*src_state = NULL ;
-
-	double	freq, snr, src_ratio ;
-	int		ch, error, frames, read_total, read_count ;
-
-	printf ("\t%-22s (%2d channel%c) ............ ", "callback_test", channel_count, channel_count > 1 ? 's' : ' ') ;
-	fflush (stdout) ;
-
-	assert (channel_count <= MAX_CHANNELS) ;
-
-	memset (input_serial, 0, sizeof (input_serial)) ;
-	memset (input_interleaved, 0, sizeof (input_interleaved)) ;
-	memset (output_interleaved, 0, sizeof (output_interleaved)) ;
-	memset (output_serial, 0, sizeof (output_serial)) ;
-	memset (&test_callback_data, 0, sizeof (test_callback_data)) ;
-
-	frames = BUFFER_LEN ;
-
-	/* Calculate channel_count separate windowed sine waves. */
-	for (ch = 0 ; ch < channel_count ; ch++)
-	{	freq = (200.0 + 33.333333333 * ch) / 44100.0 ;
-		gen_windowed_sines (1, &freq, 1.0, input_serial + ch * frames, frames) ;
-		} ;
-
-	/* Interleave the data in preparation for SRC. */
-	interleave_data (input_serial, input_interleaved, frames, channel_count) ;
-
-	/* Perform sample rate conversion. */
-	src_ratio = 0.95 ;
-	test_callback_data.channels = channel_count ;
-	test_callback_data.total_frames = frames ;
-	test_callback_data.current_frame = 0 ;
-	test_callback_data.data = input_interleaved ;
-
-	if ((src_state = src_callback_new (test_callback_func, converter, channel_count, &error, &test_callback_data)) == NULL)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	read_total = 0 ;
-	while (read_total < frames)
-	{	read_count = src_callback_read (src_state, src_ratio, frames - read_total, output_interleaved + read_total * channel_count) ;
-
-		if (read_count <= 0)
-			break ;
-
-		read_total += read_count ;
-		} ;
-
-	if ((error = src_error (src_state)) != 0)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	if (fabs (read_total - src_ratio * frames) > 2)
-	{	printf ("\n\nLine %d : bad output data length %d should be %d.\n", __LINE__,
-					read_total, (int) floor (src_ratio * frames)) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_ratio) ;
-		printf ("\tinput_len  : %d\n", frames) ;
-		printf ("\toutput_len : %d\n\n", read_total) ;
-		exit (1) ;
-		} ;
-
-	/* De-interleave data so SNR can be calculated for each channel. */
-	deinterleave_data (output_interleaved, output_serial, frames, channel_count) ;
-
-	for (ch = 0 ; ch < channel_count ; ch++)
-	{	snr = calculate_snr (output_serial + ch * frames, frames, 1) ;
-		if (snr < target_snr)
-		{	printf ("\n\nLine %d: channel %d snr %f should be %f\n", __LINE__, ch, snr, target_snr) ;
-			save_oct_float ("output.dat", input_serial, channel_count * frames, output_serial, channel_count * frames) ;
-			exit (1) ;
-			} ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* callback_test */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/multichan_throughput_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/multichan_throughput_test.c
deleted file mode 100755
index 5cab44a1..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/multichan_throughput_test.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
-** Copyright (c) 2008-2016, 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 <time.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <math.h>
-
-#ifdef _WIN32
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#endif
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define BUFFER_LEN	(1<<17)
-
-static float input [BUFFER_LEN] ;
-
-#if (defined(ENABLE_SINC_FAST_CONVERTER) || defined(ENABLE_SINC_MEDIUM_CONVERTER) || \
-	defined(ENABLE_SINC_BEST_CONVERTER))
-static float output [BUFFER_LEN] ;
-
-static void
-throughput_test (int converter, int channels, long *best_throughput)
-{	SRC_DATA src_data ;
-	clock_t start_time, clock_time ;
-	double duration ;
-	long total_frames = 0, throughput ;
-	int error ;
-
-	printf ("    %-30s     %2d         ", src_get_name (converter), channels) ;
-	fflush (stdout) ;
-
-	src_data.data_in = input ;
-	src_data.input_frames = ARRAY_LEN (input) / channels ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = ARRAY_LEN (output) / channels ;
-
-	src_data.src_ratio = 0.99 ;
-
-#ifdef _WIN32
-	Sleep (2000) ;
-#else
-	sleep (2) ;
-#endif
-
-	start_time = clock () ;
-
-	do
-	{
-		if ((error = src_simple (&src_data, converter, channels)) != 0)
-		{	puts (src_strerror (error)) ;
-			exit (1) ;
-			} ;
-
-		total_frames += src_data.output_frames_gen ;
-
-		clock_time = clock () - start_time ;
-		duration = (1.0 * clock_time) / CLOCKS_PER_SEC ;
-	}
-	while (duration < 5.0) ;
-
-	if (src_data.input_frames_used != src_data.input_frames)
-	{	printf ("\n\nLine %d : input frames used %ld should be %ld\n", __LINE__, src_data.input_frames_used, src_data.input_frames) ;
-		exit (1) ;
-		} ;
-
-	if (fabs (src_data.src_ratio * src_data.input_frames_used - src_data.output_frames_gen) > 2)
-	{	printf ("\n\nLine %d : input / output length mismatch.\n\n", __LINE__) ;
-		printf ("    input len  : %d\n", ARRAY_LEN (input) / channels) ;
-		printf ("    output len : %ld (should be %g +/- 2)\n\n", src_data.output_frames_gen,
-				floor (0.5 + src_data.src_ratio * src_data.input_frames_used)) ;
-		exit (1) ;
-		} ;
-
-	throughput = lrint (floor (total_frames / duration)) ;
-
-	if (!best_throughput)
-	{	printf ("%5.2f      %10ld\n", duration, throughput) ;
-		}
-	else
-	{	*best_throughput = MAX (throughput, *best_throughput) ;
-		printf ("%5.2f      %10ld       %10ld\n", duration, throughput, *best_throughput) ;
-		}
-
-} /* throughput_test */
-#endif
-
-static void
-single_run (void)
-{
-#if (defined(ENABLE_SINC_FAST_CONVERTER) || defined(ENABLE_SINC_MEDIUM_CONVERTER) || \
-	defined(ENABLE_SINC_BEST_CONVERTER))
-	const int max_channels = 10 ;
-	int k ;
-#endif
-
-	printf ("\n    CPU name : %s\n", get_cpu_name ()) ;
-
-	puts (
-		"\n"
-		"    Converter                        Channels    Duration      Throughput\n"
-		"    ---------------------------------------------------------------------"
-		) ;
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	for (k = 1 ; k <= max_channels / 2 ; k++)
-		throughput_test (SRC_SINC_FASTEST, k, 0) ;
-
-	puts ("") ;
-#endif
-
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-	for (k = 1 ; k <= max_channels / 2 ; k++)
-		throughput_test (SRC_SINC_MEDIUM_QUALITY, k, 0) ;
-
-	puts ("") ;
-#endif
-
-#ifdef ENABLE_SINC_BEST_CONVERTER
-	for (k = 1 ; k <= max_channels ; k++)
-		throughput_test (SRC_SINC_BEST_QUALITY, k, 0) ;
-	puts ("") ;
-#endif
-	return ;
-} /* single_run */
-
-static void
-multi_run (int run_count)
-{	int channels[] = {1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18};
-
-	printf ("\n    CPU name : %s\n", get_cpu_name ()) ;
-
-	puts (
-		"\n"
-		"    Converter                        Channels    Duration      Throughput    Best Throughput\n"
-		"    ----------------------------------------------------------------------------------------"
-		) ;
-
-	for (int i = 0 ; i < ARRAY_LEN(channels) ; i++)
-	{
-#ifdef ENABLE_SINC_FAST_CONVERTER
-		long sinc_fastest = 0 ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-		long sinc_medium = 0 ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-		long sinc_best = 0 ;
-#endif
-		int ch = channels[i];
-
-		for (int k = 0 ; k < run_count ; k++)
-		{
-#ifdef ENABLE_SINC_FAST_CONVERTER
-			throughput_test (SRC_SINC_FASTEST, ch, &sinc_fastest) ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-			throughput_test (SRC_SINC_MEDIUM_QUALITY, ch, &sinc_medium) ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-			throughput_test (SRC_SINC_BEST_QUALITY, ch, &sinc_best) ;
-#endif
-
-			puts ("") ;
-
-			/* Let the CPU cool down. We might be running on a laptop. */
-#ifdef _WIN32
-			Sleep (10000) ;
-#else
-			sleep (10) ;
-#endif
-			} ;
-
-		printf (
-			"\n"
-			"    Converter (channels: %d)         Best Throughput\n"
-			"    ------------------------------------------------\n",
-			ch
-			) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-		printf ("    %-30s    %10ld\n", src_get_name (SRC_SINC_FASTEST), sinc_fastest) ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-		printf ("    %-30s    %10ld\n", src_get_name (SRC_SINC_MEDIUM_QUALITY), sinc_medium) ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-		printf ("    %-30s    %10ld\n", src_get_name (SRC_SINC_BEST_QUALITY), sinc_best) ;
-#endif
-		} ;
-
-	puts ("") ;
-} /* multi_run */
-
-static void
-usage_exit (const char * argv0)
-{	const char * cptr ;
-
-	if ((cptr = strrchr (argv0, '/')) != NULL)
-		argv0 = cptr ;
-
-	printf (
-		"Usage :\n"
-	 	"    %s                 - Single run of the throughput test.\n"
-		"    %s --best-of N     - Do N runs of test a print bext result.\n"
-		"\n",
-		argv0, argv0) ;
-
-	exit (0) ;
-} /* usage_exit */
-
-int
-main (int argc, char ** argv)
-{	double freq ;
-
-	memset (input, 0, sizeof (input)) ;
-	freq = 0.01 ;
-	gen_windowed_sines (1, &freq, 1.0, input, BUFFER_LEN) ;
-
-	if (argc == 1)
-		single_run () ;
-	else if (argc == 3 && strcmp (argv [1], "--best-of") == 0)
-	{	int run_count = atoi (argv [2]) ;
-
-		if (run_count < 1 || run_count > 20)
-		{	printf ("Please be sensible. Run count should be in range (1, 10].\n") ;
-			exit (1) ;
-			} ;
-
-		multi_run (run_count) ;
-		}
-	else
-		usage_exit (argv [0]) ;
-
-	puts (
-		"            Duration is in seconds.\n"
-		"            Throughput is in frames/sec (more is better).\n"
-		) ;
-
-	return 0 ;
-} /* main */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/nullptr_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/nullptr_test.c
deleted file mode 100755
index 02ac00e5..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/nullptr_test.c
+++ /dev/null
@@ -1,108 +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 <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		(1 << 16)
-#define NUM_CHANNELS 	1
-
-static void
-nullptr_test (int converter)
-{	static float input [BUFFER_LEN * NUM_CHANNELS] ;
-	static float output [BUFFER_LEN * NUM_CHANNELS] ;
-
-	SRC_STATE* src_state ;
-	SRC_DATA src_data, src_data2 ;
-
-	int error ;
-
-	printf ("        nullptr_test        (%-28s) ....... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	memset (input, 0, sizeof (input)) ;
-	memset (output, 0, sizeof (output)) ;
-
-	if ((src_state = src_new (converter, NUM_CHANNELS, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.src_ratio = 1.1 ;
-	src_data.input_frames = BUFFER_LEN ;
-	src_data.output_frames = BUFFER_LEN ;
-	src_data.data_in = input ;
-	src_data.data_out = output ;
-	src_data.output_frames_gen = 0 ;
-
-	if ((error = src_process (src_state, &src_data)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	//Input is zero-length
-	src_data2 = src_data;
-	src_data2.data_in = NULL;
-	src_data2.input_frames = 0;
-
-	if ((error = src_process (src_state, &src_data2)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	//Output is zero-length
-	src_data2 = src_data;
-	src_data2.data_out = NULL;
-	src_data2.output_frames = 0;
-
-	if ((error = src_process (src_state, &src_data2)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	//Input and output are zero-length
-	src_data2 = src_data;
-	src_data2.data_in = NULL;
-	src_data2.data_out = NULL;
-	src_data2.input_frames = 0;
-	src_data2.output_frames = 0;
-
-	if ((error = src_process (src_state, &src_data2)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-
-	src_state = src_delete (src_state) ;
-
-	puts ("ok") ;
-} /* nullptr_test */
-
-int
-main (void)
-{
-	puts("");
-
-	nullptr_test (SRC_ZERO_ORDER_HOLD) ;
-	nullptr_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	nullptr_test (SRC_SINC_FASTEST) ;
-#endif
-	puts("");
-
-	return 0 ;
-} /* main */
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/reset_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/reset_test.c
deleted file mode 100755
index 736f376d..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/reset_test.c
+++ /dev/null
@@ -1,236 +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 <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		2048
-#define CB_READ_LEN		256
-
-static void process_reset_test (int converter) ;
-static void callback_reset_test (int converter) ;
-
-static float data_one [BUFFER_LEN] ;
-static float data_zero [BUFFER_LEN] ;
-
-int
-main (void)
-{
-	puts ("") ;
-
-	process_reset_test (SRC_ZERO_ORDER_HOLD) ;
-	process_reset_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	process_reset_test (SRC_SINC_FASTEST) ;
-#endif
-
-	callback_reset_test (SRC_ZERO_ORDER_HOLD) ;
-	callback_reset_test (SRC_LINEAR) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	callback_reset_test (SRC_SINC_FASTEST) ;
-#endif
-
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-static void
-process_reset_test (int converter)
-{	static float output [BUFFER_LEN] ;
-
-	SRC_STATE *src_state ;
-	SRC_DATA src_data ;
-	int k, error ;
-
-	printf ("\tprocess_reset_test  (%-28s) ....... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	for (k = 0 ; k < BUFFER_LEN ; k++)
-	{	data_one [k] = 1.0 ;
-		data_zero [k] = 0.0 ;
-		} ;
-
-	/* Get a converter. */
-	if ((src_state = src_new (converter, 1, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s.\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Process a bunch of 1.0 valued samples. */
-	src_data.data_in		= data_one ;
-	src_data.data_out		= output ;
-	src_data.input_frames	= BUFFER_LEN ;
-	src_data.output_frames	= BUFFER_LEN ;
-	src_data.src_ratio		= 0.9 ;
-	src_data.end_of_input	= 1 ;
-
-	if ((error = src_process (src_state, &src_data)) != 0)
-	{	printf ("\n\nLine %d : src_simple () returned error : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Reset the state of the converter.*/
-	src_reset (src_state) ;
-
-	/* Now process some zero data. */
-	src_data.data_in		= data_zero ;
-	src_data.data_out		= output ;
-	src_data.input_frames	= BUFFER_LEN ;
-	src_data.output_frames	= BUFFER_LEN ;
-	src_data.src_ratio		= 0.9 ;
-	src_data.end_of_input	= 1 ;
-
-	if ((error = src_process (src_state, &src_data)) != 0)
-	{	printf ("\n\nLine %d : src_simple () returned error : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Finally make sure that the output data is zero ie reset was successful. */
-	for (k = 0 ; k < BUFFER_LEN / 2 ; k++)
-		if (output [k] != 0.0)
-		{	printf ("\n\nLine %d : output [%d] should be 0.0, is %f.\n", __LINE__, k, output [k]) ;
-			exit (1) ;
-			} ;
-
-	/* Make sure that this function has been exported. */
-	src_set_ratio (src_state, 1.0) ;
-
-	/* Delete converter. */
-	src_state = src_delete (src_state) ;
-
-	puts ("ok") ;
-} /* process_reset_test */
-
-/*==============================================================================
-*/
-
-typedef struct
-{	int channels ;
-	long count, total ;
-	float *data ;
-} TEST_CB_DATA ;
-
-static long
-test_callback_func (void *cb_data, float **data)
-{	TEST_CB_DATA *pcb_data ;
-
-	long frames ;
-
-	if ((pcb_data = cb_data) == NULL)
-		return 0 ;
-
-	if (data == NULL)
-		return 0 ;
-
-	if (pcb_data->total - pcb_data->count > 0)
-		frames = pcb_data->total - pcb_data->count ;
-	else
-		frames = 0 ;
-
-	*data = pcb_data->data + pcb_data->count ;
-	pcb_data->count += frames ;
-
-	return frames ;
-} /* test_callback_func */
-
-static void
-callback_reset_test (int converter)
-{	static TEST_CB_DATA test_callback_data ;
-
-	static float output [BUFFER_LEN] ;
-
-	SRC_STATE *src_state ;
-
-	double src_ratio = 1.1 ;
-	long read_count, read_total ;
-	int k, error ;
-
-	printf ("\tcallback_reset_test (%-28s) ....... ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	for (k = 0 ; k < ARRAY_LEN (data_one) ; k++)
-	{	data_one [k] = 1.0 ;
-		data_zero [k] = 0.0 ;
-		} ;
-
-	if ((src_state = src_callback_new (test_callback_func, converter, 1, &error, &test_callback_data)) == NULL)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Process a bunch of 1.0 valued samples. */
-	test_callback_data.channels = 1 ;
-	test_callback_data.count = 0 ;
-	test_callback_data.total = ARRAY_LEN (data_one) ;
-	test_callback_data.data = data_one ;
-
-	read_total = 0 ;
-	do
-	{	read_count = (ARRAY_LEN (output) - read_total > CB_READ_LEN) ? CB_READ_LEN : ARRAY_LEN (output) - read_total ;
-		read_count = src_callback_read (src_state, src_ratio, read_count, output + read_total) ;
-		read_total += read_count ;
-		}
-	while (read_count > 0) ;
-
-	/* Check for errors. */
-	if ((error = src_error (src_state)) != 0)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Reset the state of the converter.*/
-	src_reset (src_state) ;
-
-	/* Process a bunch of 0.0 valued samples. */
-	test_callback_data.channels = 1 ;
-	test_callback_data.count = 0 ;
-	test_callback_data.total = ARRAY_LEN (data_zero) ;
-	test_callback_data.data = data_zero ;
-
-	/* Now process some zero data. */
-	read_total = 0 ;
-	do
-	{	read_count = (ARRAY_LEN (output) - read_total > CB_READ_LEN) ? CB_READ_LEN : ARRAY_LEN (output) - read_total ;
-		read_count = src_callback_read (src_state, src_ratio, read_count, output + read_total) ;
-		read_total += read_count ;
-		}
-	while (read_count > 0) ;
-
-	/* Check for errors. */
-	if ((error = src_error (src_state)) != 0)
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	/* Finally make sure that the output data is zero ie reset was successful. */
-	for (k = 0 ; k < BUFFER_LEN / 2 ; k++)
-		if (output [k] != 0.0)
-		{	printf ("\n\nLine %d : output [%d] should be 0.0, is %f.\n\n", __LINE__, k, output [k]) ;
-			save_oct_float ("output.dat", data_one, ARRAY_LEN (data_one), output, ARRAY_LEN (output)) ;
-			exit (1) ;
-			} ;
-
-	/* Make sure that this function has been exported. */
-	src_set_ratio (src_state, 1.0) ;
-
-	/* Delete converter. */
-	src_state = src_delete (src_state) ;
-
-	puts ("ok") ;
-} /* callback_reset_test */
-
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/simple_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/simple_test.c
deleted file mode 100755
index f9014fd2..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/simple_test.c
+++ /dev/null
@@ -1,168 +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 <math.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		2048
-
-static void simple_test (int converter, double ratio) ;
-static void src_simple_produces_output (int converter, int channels, double src_ratio) ;
-static void src_simple_produces_output_test (int converter, double src_ratio) ;
-
-int
-main (void)
-{	static double src_ratios [] =
-	{	1.0001, 0.099, 0.1, 0.33333333, 0.789, 1.9, 3.1, 9.9, 256.0, 1.0 / 256.0
-	} ;
-
-	int k ;
-
-	puts ("") ;
-
-	puts ("    Zero Order Hold interpolator :") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-	{	simple_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ;
-		src_simple_produces_output_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ;
-		}
-
-	puts ("    Linear interpolator :") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-	{	simple_test (SRC_LINEAR, src_ratios [k]) ;
-		src_simple_produces_output_test (SRC_LINEAR, src_ratios [k]) ;
-		}
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	puts ("    Sinc interpolator :") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-	{	simple_test (SRC_SINC_FASTEST, src_ratios [k]) ;
-		src_simple_produces_output_test (SRC_SINC_FASTEST, src_ratios [k]) ;
-		}
-#endif
-
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-static void
-src_simple_produces_output_test (int converter, double src_ratio)
-{
-	for (int channels = 1; channels <= 9; channels++)
-		src_simple_produces_output(converter, channels, src_ratio);
-}
-
-static void
-src_simple_produces_output (int converter, int channels, double src_ratio)
-{
-	// Choose a suitable number of frames.
-	// At least 256 so a conversion ratio of 1/256 can produce any output
-	const long NUM_FRAMES = 1000;
-	int error;
-
-	printf ("\tproduces_output\t(SRC ratio = %6.4f, channels = %d) ... ", src_ratio, channels) ;
-	fflush (stdout) ;
-
-	float *input = calloc (NUM_FRAMES * channels, sizeof (float));
-	float *output = calloc (NUM_FRAMES * channels, sizeof (float));
-
-	SRC_DATA src_data;
-	memset (&src_data, 0, sizeof (src_data)) ;
-	src_data.data_in = input;
-	src_data.data_out = output;
-	src_data.input_frames = NUM_FRAMES;
-	src_data.output_frames = NUM_FRAMES;
-	src_data.src_ratio = src_ratio;
-
-	if ((error = src_simple (&src_data, converter, channels)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-	if (src_data.input_frames_used == 0)
-	{	printf ("\n\nLine %d : No input frames used.\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-	if (src_data.output_frames_gen == 0)
-	{	printf ("\n\nLine %d : No output frames generated.\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-	free(input);
-	free(output);
-	puts ("ok") ;
-}
-
-
-static void
-simple_test (int converter, double src_ratio)
-{	static float input [BUFFER_LEN], output [BUFFER_LEN] ;
-
-	SRC_DATA	src_data ;
-
-	int input_len, output_len, error, terminate ;
-
-	printf ("\tsimple_test\t(SRC ratio = %6.4f) ................. ", src_ratio) ;
-	fflush (stdout) ;
-
-	/* Calculate maximun input and output lengths. */
-	if (src_ratio >= 1.0)
-	{	output_len = BUFFER_LEN ;
-		input_len = (int) floor (BUFFER_LEN / src_ratio) ;
-		}
-	else
-	{	input_len = BUFFER_LEN ;
-		output_len = (int) floor (BUFFER_LEN * src_ratio) ;
-		} ;
-
-	/* Reduce input_len by 10 so output is longer than necessary. */
-	input_len -= 10 ;
-
-	if (output_len > BUFFER_LEN)
-	{	printf ("\n\nLine %d : output_len > BUFFER_LEN\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	memset (&src_data, 0, sizeof (src_data)) ;
-
-	src_data.data_in = input ;
-	src_data.input_frames = input_len ;
-
-	src_data.src_ratio = src_ratio ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = BUFFER_LEN ;
-
-	if ((error = src_simple (&src_data, converter, 1)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	terminate = (int) ceil ((src_ratio >= 1.0) ? src_ratio : 1.0 / src_ratio) ;
-
-	if (fabs (src_data.output_frames_gen - src_ratio * input_len) > 2 * terminate)
-	{	printf ("\n\nLine %d : bad output data length %ld should be %d.\n", __LINE__,
-					src_data.output_frames_gen, (int) floor (src_ratio * input_len)) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_ratio) ;
-		printf ("\tinput_len  : %d\n\toutput_len : %d\n\n", input_len, output_len) ;
-		exit (1) ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* simple_test */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/snr_bw_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/snr_bw_test.c
deleted file mode 100755
index 223a637f..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/snr_bw_test.c
+++ /dev/null
@@ -1,404 +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 <math.h>
-#include <time.h>
-
-#if (HAVE_FFTW3)
-
-#include <fftw3.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		50000
-#define	MAX_FREQS		4
-#define	MAX_RATIOS		6
-#define	MAX_SPEC_LEN	(1<<15)
-
-#ifndef	M_PI
-#define	M_PI			3.14159265358979323846264338
-#endif
-
-enum
-{	BOOLEAN_FALSE	= 0,
-	BOOLEAN_TRUE	= 1
-} ;
-
-typedef struct
-{	int		freq_count ;
-	double	freqs [MAX_FREQS] ;
-
-	double	src_ratio ;
-	int		pass_band_peaks ;
-
-	double	snr ;
-	double	peak_value ;
-} SINGLE_TEST ;
-
-typedef struct
-{	int			converter ;
-	int			tests ;
-	int			do_bandwidth_test ;
-	SINGLE_TEST	test_data [10] ;
-} CONVERTER_TEST ;
-
-static double snr_test (SINGLE_TEST *snr_test_data, int number, int converter, int verbose) ;
-static double find_peak (float *output, int output_len) ;
-static double bandwidth_test (int converter, int verbose) ;
-
-int
-main (int argc, char *argv [])
-{	CONVERTER_TEST snr_test_data [] =
-	{
-		{	SRC_ZERO_ORDER_HOLD,
-			8,
-			BOOLEAN_FALSE,
-			{	{	1,	{ 0.01111111111 },		3.0,		1,	 28.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.6,		1,	 36.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.3,		1,	 36.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.0,		1,	150.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.001,		1,	 38.0,	1.0 },
-				{	2,	{ 0.011111, 0.324 },	1.9999,		2,	 14.0,	1.0 },
-				{	2,	{ 0.012345, 0.457 },	0.456789,	1,	 12.0,	1.0 },
-				{	1,	{ 0.3511111111 },		1.33,		1,	 10.0,	1.0 }
-				}
-			},
-
-		{	SRC_LINEAR,
-			8,
-			BOOLEAN_FALSE,
-			{	{	1,	{ 0.01111111111 },		3.0,		1,	 73.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.6,		1,	 73.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.3,		1,	 73.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.0,		1,	150.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.001,		1,	 77.0,	1.0 },
-				{	2,	{ 0.011111, 0.324 },	1.9999,		2,	 15.0,	0.94 },
-				{	2,	{ 0.012345, 0.457 },	0.456789,	1,	 25.0,	0.96 },
-				{	1,	{ 0.3511111111 },		1.33,		1,	 22.0,	0.99 }
-				}
-			},
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-		{	SRC_SINC_FASTEST,
-			9,
-			BOOLEAN_TRUE,
-			{	{	1,	{ 0.01111111111 },		3.0,		1,	100.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.6,		1,	 99.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.3,		1,	100.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.0,		1,	150.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.001,		1,	100.0,	1.0 },
-				{	2,	{ 0.011111, 0.324 },	1.9999,		2,	 97.0,	1.0 },
-				{	2,	{ 0.012345, 0.457 },	0.456789,	1,	100.0,	0.5 },
-				{	2,	{ 0.011111, 0.45 },		0.6,		1,	 97.0,	0.5 },
-				{	1,	{ 0.3511111111 },		1.33,		1,	 97.0,	1.0 }
-				}
-			},
-#endif
-
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-		{	SRC_SINC_MEDIUM_QUALITY,
-			9,
-			BOOLEAN_TRUE,
-			{	{	1,	{ 0.01111111111 },		3.0,		1,	145.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.6,		1,	132.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.3,		1,	138.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.0,		1,	157.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.001,		1,	148.0,	1.0 },
-				{	2,	{ 0.011111, 0.324 },	1.9999,		2,	127.0,	1.0 },
-				{	2,	{ 0.012345, 0.457 },	0.456789,	1,	123.0,	0.5 },
-				{	2,	{ 0.011111, 0.45 },		0.6,		1,	126.0,	0.5 },
-				{	1,	{ 0.43111111111 },		1.33,		1,	121.0,	1.0 }
-				}
-			},
-#endif
-
-#ifdef ENABLE_SINC_BEST_CONVERTER
-		{	SRC_SINC_BEST_QUALITY,
-			9,
-			BOOLEAN_TRUE,
-			{	{	1,	{ 0.01111111111 },		3.0,		1,	147.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.6,		1,	147.0,	1.0 },
-				{	1,	{ 0.01111111111 },		0.3,		1,	148.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.0,		1,	155.0,	1.0 },
-				{	1,	{ 0.01111111111 },		1.001,		1,	148.0,	1.0 },
-				{	2,	{ 0.011111, 0.324 },	1.9999,		2,	146.0,	1.0 },
-				{	2,	{ 0.012345, 0.457 },	0.456789,	1,	147.0,	0.5 },
-				{	2,	{ 0.011111, 0.45 },		0.6,		1,	144.0,	0.5 },
-				{	1,	{ 0.43111111111 },		1.33,		1,	145.0,	1.0 }
-				}
-			},
-#endif
-
-		} ; /* snr_test_data */
-
-	double	best_snr, snr, freq3dB ;
-	int 	j, k, converter, verbose = 0 ;
-
-	if (argc == 2 && strcmp (argv [1], "--verbose") == 0)
-		verbose = 1 ;
-
-	puts ("") ;
-
-	for (j = 0 ; j < ARRAY_LEN (snr_test_data) ; j++)
-	{	best_snr = 5000.0 ;
-
-		converter = snr_test_data [j].converter ;
-
-		printf ("    Converter %d : %s\n", converter, src_get_name (converter)) ;
-		printf ("    %s\n", src_get_description (converter)) ;
-
-		for (k = 0 ; k < snr_test_data [j].tests ; k++)
-		{	snr = snr_test (&(snr_test_data [j].test_data [k]), k, converter, verbose) ;
-			if (best_snr > snr)
-				best_snr = snr ;
-			} ;
-
-		printf ("    Worst case Signal-to-Noise Ratio : %.2f dB.\n", best_snr) ;
-
-		if (snr_test_data [j].do_bandwidth_test == BOOLEAN_FALSE)
-		{	puts ("    Bandwith test not performed on this converter.\n") ;
-			continue ;
-			}
-
-		freq3dB = bandwidth_test (converter, verbose) ;
-
-		printf ("    Measured -3dB rolloff point      : %5.2f %%.\n\n", freq3dB) ;
-		} ;
-
-	fftw_cleanup () ;
-
-	return 0 ;
-} /* main */
-
-/*==============================================================================
-*/
-
-static double
-snr_test (SINGLE_TEST *test_data, int number, int converter, int verbose)
-{	static float data [BUFFER_LEN + 1] ;
-	static float output [MAX_SPEC_LEN] ;
-
-	SRC_STATE	*src_state ;
-	SRC_DATA	src_data ;
-
-	double		output_peak, snr ;
-	int 		k, output_len, input_len, error ;
-
-	if (verbose != 0)
-	{	printf ("\tSignal-to-Noise Ratio Test %d.\n"
-				"\t=====================================\n", number) ;
-		printf ("\tFrequencies : [ ") ;
-		for (k = 0 ; k < test_data->freq_count ; k++)
-			printf ("%6.4f ", test_data->freqs [k]) ;
-
-		printf ("]\n\tSRC Ratio   : %8.4f\n", test_data->src_ratio) ;
-		}
-	else
-	{	printf ("\tSignal-to-Noise Ratio Test %d : ", number) ;
-		fflush (stdout) ;
-		} ;
-
-	/* Set up the output array. */
-	if (test_data->src_ratio >= 1.0)
-	{	output_len = MAX_SPEC_LEN ;
-		input_len = (int) ceil (MAX_SPEC_LEN / test_data->src_ratio) ;
-		if (input_len > BUFFER_LEN)
-			input_len = BUFFER_LEN ;
-		}
-	else
-	{	input_len = BUFFER_LEN ;
-		output_len = (int) ceil (BUFFER_LEN * test_data->src_ratio) ;
-		output_len &= ((~0u) << 4) ;
-		if (output_len > MAX_SPEC_LEN)
-			output_len = MAX_SPEC_LEN ;
-		input_len = (int) ceil (output_len / test_data->src_ratio) ;
-		} ;
-
-	memset (output, 0, sizeof (output)) ;
-
-	/* Generate input data array. */
-	gen_windowed_sines (test_data->freq_count, test_data->freqs, 1.0, data, input_len) ;
-
-	/* Perform sample rate conversion. */
-	if ((src_state = src_new (converter, 1, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s.\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.end_of_input = 1 ; /* Only one buffer worth of input. */
-
-	src_data.data_in = data ;
-	src_data.input_frames = input_len ;
-
-	src_data.src_ratio = test_data->src_ratio ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = output_len ;
-
-	if ((error = src_process (src_state, &src_data)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	if (verbose != 0)
-		printf ("\tOutput Len  :   %ld\n", src_data.output_frames_gen) ;
-
-	if (abs ((int) (src_data.output_frames_gen - output_len)) > 4)
-	{	printf ("\n\nLine %d : output data length should be %d.\n\n", __LINE__, output_len) ;
-		exit (1) ;
-		} ;
-
-	/* Check output peak. */
-	output_peak = find_peak (output, src_data.output_frames_gen) ;
-
-	if (verbose != 0)
-		printf ("\tOutput Peak :   %6.4f\n", output_peak) ;
-
-	if (fabs (output_peak - test_data->peak_value) > 0.01)
-	{	printf ("\n\nLine %d : output peak (%6.4f) should be %6.4f\n\n", __LINE__, output_peak, test_data->peak_value) ;
-		save_oct_float ("snr_test.dat", data, BUFFER_LEN, output, output_len) ;
-		exit (1) ;
-		} ;
-
-	/* Calculate signal-to-noise ratio. */
-	snr = calculate_snr (output, src_data.output_frames_gen, test_data->pass_band_peaks) ;
-
-	if (snr < 0.0)
-	{	/* An error occurred. */
-		save_oct_float ("snr_test.dat", data, BUFFER_LEN, output, src_data.output_frames_gen) ;
-		exit (1) ;
-		} ;
-
-	if (verbose != 0)
-		printf ("\tSNR Ratio   :   %.2f dB\n", snr) ;
-
-	if (snr < test_data->snr)
-	{	printf ("\n\nLine %d : SNR (%5.2f) should be > %6.2f dB\n\n", __LINE__, snr, test_data->snr) ;
-		exit (1) ;
-		} ;
-
-	if (verbose != 0)
-		puts ("\t-------------------------------------\n\tPass\n") ;
-	else
-		puts ("Pass") ;
-
-	return snr ;
-} /* snr_test */
-
-static double
-find_peak (float *data, int len)
-{	double 	peak = 0.0 ;
-	int		k = 0 ;
-
-	for (k = 0 ; k < len ; k++)
-		if (fabs (data [k]) > peak)
-			peak = fabs (data [k]) ;
-
-	return peak ;
-} /* find_peak */
-
-
-static double
-find_attenuation (double freq, int converter, int verbose)
-{	static float input	[BUFFER_LEN] ;
-	static float output [2 * BUFFER_LEN] ;
-
-	SRC_DATA	src_data ;
-	double 		output_peak ;
-	int			error ;
-
-	gen_windowed_sines (1, &freq, 1.0, input, BUFFER_LEN) ;
-
-	src_data.end_of_input = 1 ; /* Only one buffer worth of input. */
-
-	src_data.data_in = input ;
-	src_data.input_frames = BUFFER_LEN ;
-
-	src_data.src_ratio = 1.999 ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = ARRAY_LEN (output) ;
-
-	if ((error = src_simple (&src_data, converter, 1)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	output_peak = find_peak (output, ARRAY_LEN (output)) ;
-
-	if (verbose)
-		printf ("\tFreq : %6f   InPeak : %6f    OutPeak : %6f   Atten : %6.2f dB\n",
-				freq, 1.0, output_peak, 20.0 * log10 (1.0 / output_peak)) ;
-
-	return 20.0 * log10 (1.0 / output_peak) ;
-} /* find_attenuation */
-
-static double
-bandwidth_test (int converter, int verbose)
-{	double	f1, f2, a1, a2 ;
-	double	freq, atten ;
-
-	f1 = 0.35 ;
-	a1 = find_attenuation (f1, converter, verbose) ;
-
-	f2 = 0.495 ;
-	a2 = find_attenuation (f2, converter, verbose) ;
-
-	if (a1 > 3.0 || a2 < 3.0)
-	{	printf ("\n\nLine %d : cannot bracket 3dB point.\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	while (a2 - a1 > 1.0)
-	{	freq = f1 + 0.5 * (f2 - f1) ;
-		atten = find_attenuation (freq, converter, verbose) ;
-
-		if (atten < 3.0)
-		{	f1 = freq ;
-			a1 = atten ;
-			}
-		else
-		{	f2 = freq ;
-			a2 = atten ;
-			} ;
-		} ;
-
-	freq = f1 + (3.0 - a1) * (f2 - f1) / (a2 - a1) ;
-
-	return 200.0 * freq ;
-} /* bandwidth_test */
-
-#else /* (HAVE_FFTW3) == 0 */
-
-/* Alternative main function when librfftw is not available. */
-
-int
-main (void)
-{	puts ("\n"
-		"****************************************************************\n"
-		" This test cannot be run without FFTW (http://www.fftw.org/).\n"
-		" Both the real and the complex versions of the library are\n"
-		" required.") ;
-	puts ("****************************************************************\n") ;
-
-	return 0 ;
-} /* main */
-
-#endif
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/src-evaluate.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/src-evaluate.c
deleted file mode 100755
index d55d6483..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/src-evaluate.c
+++ /dev/null
@@ -1,530 +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>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <string.h>
-#include <ctype.h>
-
-#if defined(_WIN32)
-#define popen _popen
-#define pclose _pclose
-#endif
-
-#if (HAVE_FFTW3 && HAVE_SNDFILE && HAVE_SYS_TIMES_H)
-
-#include <time.h>
-#include <sys/times.h>
-
-#include <sndfile.h>
-#include <math.h>
-#include <sys/utsname.h>
-
-#include "util.h"
-
-#define	MAX_FREQS		4
-#define	BUFFER_LEN		80000
-
-#define SAFE_STRNCAT(dest,src,len)								\
-		{	int safe_strncat_count ;							\
-			safe_strncat_count = (len) - strlen (dest) - 1 ;	\
-			strncat ((dest), (src), safe_strncat_count) ;		\
-			(dest) [(len) - 1] = 0 ;							\
-			} ;
-
-typedef struct
-{	int		freq_count ;
-	double	freqs [MAX_FREQS] ;
-
-	int		output_samplerate ;
-	int		pass_band_peaks ;
-
-	double	peak_value ;
-} SNR_TEST ;
-
-typedef struct
-{	const char	*progname ;
-	const char	*version_cmd ;
-	const char	*version_start ;
-	const char	*convert_cmd ;
-	int			format ;
-} RESAMPLE_PROG ;
-
-static char *get_progname (char *) ;
-static void usage_exit (const char *, const RESAMPLE_PROG *prog, int count) ;
-static void measure_program (const RESAMPLE_PROG *prog, int verbose) ;
-static void generate_source_wav (const char *filename, const double *freqs, int freq_count, int format) ;
-static const char* get_machine_details (void) ;
-
-static char	version_string [512] ;
-
-int
-main (int argc, char *argv [])
-{	static RESAMPLE_PROG resample_progs [] =
-	{	{	"sndfile-resample",
-			"examples/sndfile-resample --version",
-			"libsamplerate",
-			"examples/sndfile-resample --max-speed -c 0 -to %d source.wav destination.wav",
-			SF_FORMAT_WAV | SF_FORMAT_PCM_32
-			},
-		{	"sox",
-			"sox -h 2>&1",
-			"sox",
-			"sox source.wav -r %d destination.wav resample 0.835",
-			SF_FORMAT_WAV | SF_FORMAT_PCM_32
-			},
-		{	"ResampAudio",
-			"ResampAudio --version",
-			"ResampAudio",
-			"ResampAudio -f cutoff=0.41,atten=100,ratio=128 -s %d source.wav destination.wav",
-			SF_FORMAT_WAV | SF_FORMAT_PCM_32
-			},
-
-		/*-
-		{	/+*
-			** The Shibatch converter doesn't work for all combinations of
-			** source and destination sample rates. Therefore it can't be
-			** included in this test.
-			*+/
-			"shibatch",
-			"ssrc",
-			"Shibatch",
-			"ssrc --rate %d source.wav destination.wav",
-			SF_FORMAT_WAV | SF_FORMAT_PCM_32
-			},-*/
-
-		/*-
-		{	/+*
-			** The resample program is not able to match the bandwidth and SNR
-			** specs or sndfile-resample and hence will not be tested.
-			*+/
-			"resample",
-			"resample -version",
-			"resample",
-			"resample -to %d source.wav destination.wav",
-			SF_FORMAT_WAV | SF_FORMAT_FLOAT
-			},-*/
-
-		/*-
-		{	"mplayer",
-			"mplayer -v 2>&1",
-			"MPlayer ",
-			"mplayer -ao pcm -srate %d source.wav >/dev/null 2>&1 && mv audiodump.wav destination.wav",
-			SF_FORMAT_WAV | SF_FORMAT_PCM_32
-			},-*/
-
-		} ; /* resample_progs */
-
-	char	*progname ;
-	int 	prog = 0, verbose = 0 ;
-
-	progname = get_progname (argv [0]) ;
-
-	printf ("\n  %s : evaluate a sample rate converter.\n", progname) ;
-
-	if (argc == 3 && strcmp ("--verbose", argv [1]) == 0)
-	{	verbose = 1 ;
-		prog = atoi (argv [2]) ;
-		}
-	else if (argc == 2)
-	{	verbose = 0 ;
-		prog = atoi (argv [1]) ;
-		}
-	else
-		usage_exit (progname, resample_progs, ARRAY_LEN (resample_progs)) ;
-
-	if (prog < 0 || prog >= ARRAY_LEN (resample_progs))
-		usage_exit (progname, resample_progs, ARRAY_LEN (resample_progs)) ;
-
-	measure_program (& (resample_progs [prog]), verbose) ;
-
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-/*==============================================================================
-*/
-
-static char *
-get_progname (char *progname)
-{	char *cptr ;
-
-	if ((cptr = strrchr (progname, '/')) != NULL)
-		progname = cptr + 1 ;
-
-	if ((cptr = strrchr (progname, '\\')) != NULL)
-		progname = cptr + 1 ;
-
-	return progname ;
-} /* get_progname */
-
-static void
-usage_exit (const char *progname, const RESAMPLE_PROG *prog, int count)
-{	int k ;
-
-	printf ("\n  Usage : %s <number>\n\n", progname) ;
-
-	puts ("  where <number> specifies the program to test:\n") ;
-
-	for (k = 0 ; k < count ; k++)
-		printf ("    %d : %s\n", k, prog [k].progname) ;
-
-	puts ("\n"
-		" Obviously to test a given program you have to have it available on\n"
-		" your system. See http://libsndfile.github.io/libsamplerate/quality.html for\n"
-		" the download location of these programs.\n") ;
-
-	exit (1) ;
-} /* usage_exit */
-
-static const char*
-get_machine_details (void)
-{	static char namestr [262] ;
-
-	struct utsname name ;
-
-	if (uname (&name) != 0)
-	{	snprintf (namestr, sizeof (namestr), "Unknown") ;
-		return namestr ;
-		} ;
-
-	snprintf (namestr, sizeof (namestr), "%s (%s %s %s)", name.nodename,
-			name.machine, name.sysname, name.release) ;
-
-	return namestr ;
-} /* get_machine_details */
-
-
-/*==============================================================================
-*/
-
-static void
-get_version_string (const RESAMPLE_PROG *prog)
-{	FILE *file ;
-	char *cptr ;
-
-	/* Default. */
-	snprintf (version_string, sizeof (version_string), "no version") ;
-
-	if (prog->version_cmd == NULL)
-		return ;
-
-	if ((file = popen (prog->version_cmd, "r")) == NULL)
-		return ;
-
-	while ((cptr = fgets (version_string, sizeof (version_string), file)) != NULL)
-	{
-		if (strstr (cptr, prog->version_start) != NULL)
-			break ;
-
-		version_string [0] = 0 ;
-		} ;
-
-	pclose (file) ;
-
-	/* Remove trailing newline. */
-	if ((cptr = strchr (version_string, '\n')) != NULL)
-		cptr [0] = 0 ;
-
-	/* Remove leading whitespace from version string. */
-	cptr = version_string ;
-	while (cptr [0] != 0 && isspace (cptr [0]))
-		cptr ++ ;
-
-	if (cptr != version_string)
-	{	strncpy (version_string, cptr, sizeof (version_string) - 1) ;
-		version_string [sizeof (version_string) - 1] = 0 ;
-		} ;
-
-	return ;
-} /* get_version_string */
-
-static void
-generate_source_wav (const char *filename, const double *freqs, int freq_count, int format)
-{	static float buffer [BUFFER_LEN] ;
-
-	SNDFILE *sndfile ;
-	SF_INFO sfinfo ;
-
-	sfinfo.channels = 1 ;
-	sfinfo.samplerate = 44100 ;
-	sfinfo.format = format ;
-
-	if ((sndfile = sf_open (filename, SFM_WRITE, &sfinfo)) == NULL)
-	{	printf ("Line %d : cound not open '%s' : %s\n", __LINE__, filename, sf_strerror (NULL)) ;
-		exit (1) ;
-		} ;
-
-	sf_command (sndfile, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
-
-	gen_windowed_sines (freq_count, freqs, 0.9, buffer, ARRAY_LEN (buffer)) ;
-
-	if (sf_write_float (sndfile, buffer, ARRAY_LEN (buffer)) != ARRAY_LEN (buffer))
-	{	printf ("Line %d : sf_write_float short write.\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	sf_close (sndfile) ;
-} /* generate_source_wav */
-
-static double
-measure_destination_wav (char *filename, int *output_samples, int expected_peaks)
-{	static float buffer [250000] ;
-
-	SNDFILE *sndfile ;
-	SF_INFO sfinfo ;
-	double snr ;
-
-	if ((sndfile = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
-	{	printf ("Line %d : Cound not open '%s' : %s\n", __LINE__, filename, sf_strerror (NULL)) ;
-		exit (1) ;
-		} ;
-
-	if (sfinfo.channels != 1)
-	{	printf ("Line %d : Bad channel count (%d). Should be 1.\n", __LINE__, sfinfo.channels) ;
-		exit (1) ;
-		} ;
-
-	if (sfinfo.frames > ARRAY_LEN (buffer))
-	{	printf ("Line %d : Too many frames (%ld) of data in file.\n", __LINE__, (long) sfinfo.frames) ;
-		exit (1) ;
-		} ;
-
-	*output_samples = (int) sfinfo.frames ;
-
-	if (sf_read_float (sndfile, buffer, sfinfo.frames) != sfinfo.frames)
-	{	printf ("Line %d : Bad read.\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	sf_close (sndfile) ;
-
-	snr = calculate_snr (buffer, sfinfo.frames, expected_peaks) ;
-
-	return snr ;
-} /* measure_desination_wav */
-
-static double
-measure_snr (const RESAMPLE_PROG *prog, int *output_samples, int verbose)
-{	static SNR_TEST snr_test [] =
-	{
-		{	1,	{ 0.211111111111 },		48000,		1,	1.0 },
-		{	1,	{ 0.011111111111 },		132301,		1,	1.0 },
-		{	1,	{ 0.111111111111 },		92301,		1,	1.0 },
-		{	1,	{ 0.011111111111 },		26461,		1,	1.0 },
-		{	1,	{ 0.011111111111 },		13231,		1,	1.0 },
-		{	1,	{ 0.011111111111 },		44101,		1,	1.0 },
-		{	2,	{ 0.311111, 0.49 },		78199,		2,	1.0 },
-		{	2,	{ 0.011111, 0.49 },		12345,		1,	0.5 },
-		{	2,	{ 0.0123456, 0.4 },		20143,		1,	0.5 },
-		{	2,	{ 0.0111111, 0.4 },		26461,		1,	0.5 },
-		{	1,	{ 0.381111111111 },		58661,		1,	1.0 }
-		} ; /* snr_test */
-	static char command [256] ;
-
-	double snr, worst_snr = 500.0 ;
-	int k , retval, sample_count ;
-
-	*output_samples = 0 ;
-
-	for (k = 0 ; k < ARRAY_LEN (snr_test) ; k++)
-	{	remove ("source.wav") ;
-		remove ("destination.wav") ;
-
-		if (verbose)
-			printf ("       SNR test #%d : ", k) ;
-		fflush (stdout) ;
-		generate_source_wav ("source.wav", snr_test [k].freqs, snr_test [k].freq_count, prog->format) ;
-
-		snprintf (command, sizeof (command), prog->convert_cmd, snr_test [k].output_samplerate) ;
-		SAFE_STRNCAT (command, " >/dev/null 2>&1", sizeof (command)) ;
-		if ((retval = system (command)) != 0)
-			printf ("system returned %d\n", retval) ;
-
-		snr = measure_destination_wav ("destination.wav", &sample_count, snr_test->pass_band_peaks) ;
-
-		*output_samples += sample_count ;
-
-		if (fabs (snr) < fabs (worst_snr))
-			worst_snr = fabs (snr) ;
-
-		if (verbose)
-			printf ("%6.2f dB\n", snr) ;
-		} ;
-
-	return worst_snr ;
-} /* measure_snr */
-
-/*------------------------------------------------------------------------------
-*/
-
-static double
-measure_destination_peak (const char *filename)
-{	static float data [2 * BUFFER_LEN] ;
-	SNDFILE		*sndfile ;
-	SF_INFO		sfinfo ;
-	double		peak = 0.0 ;
-	int			k = 0 ;
-
-	if ((sndfile = sf_open (filename, SFM_READ, &sfinfo)) == NULL)
-	{	printf ("Line %d : failed to open file %s\n", __LINE__, filename) ;
-		exit (1) ;
-		} ;
-
-	if (sfinfo.channels != 1)
-	{	printf ("Line %d : bad channel count.\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	if (sfinfo.frames > ARRAY_LEN (data) + 4 || sfinfo.frames < ARRAY_LEN (data) - 100)
-	{	printf ("Line %d : bad frame count (got %d, expected %d).\n", __LINE__, (int) sfinfo.frames, ARRAY_LEN (data)) ;
-		exit (1) ;
-		} ;
-
-	if (sf_read_float (sndfile, data, sfinfo.frames) != sfinfo.frames)
-	{	printf ("Line %d : bad read.\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	sf_close (sndfile) ;
-
-	for (k = 0 ; k < (int) sfinfo.frames ; k++)
-		if (fabs (data [k]) > peak)
-			peak = fabs (data [k]) ;
-
-	return peak ;
-} /* measure_destination_peak */
-
-static double
-find_attenuation (double freq, const RESAMPLE_PROG *prog, int verbose)
-{	static char	command [256] ;
-	double	output_peak ;
-	int		retval ;
-	char	*filename ;
-
-	filename = "destination.wav" ;
-
-	generate_source_wav ("source.wav", &freq, 1, prog->format) ;
-
-	remove (filename) ;
-
-	snprintf (command, sizeof (command), prog->convert_cmd, 88189) ;
-	SAFE_STRNCAT (command, " >/dev/null 2>&1", sizeof (command)) ;
-	if ((retval = system (command)) != 0)
-		printf ("system returned %d\n", retval) ;
-
-	output_peak = measure_destination_peak (filename) ;
-
-	if (verbose)
-		printf ("        freq : %f     peak : %f\n", freq, output_peak) ;
-
-	return fabs (20.0 * log10 (output_peak)) ;
-} /* find_attenuation */
-
-static double
-bandwidth_test (const RESAMPLE_PROG *prog, int verbose)
-{	double	f1, f2, a1, a2 ;
-	double	freq, atten ;
-
-	f1 = 0.35 ;
-	a1 = find_attenuation (f1, prog, verbose) ;
-
-	f2 = 0.49999 ;
-	a2 = find_attenuation (f2, prog, verbose) ;
-
-
-	if (fabs (a1) < 1e-2 && a2 < 3.0)
-		return -1.0 ;
-
-	if (a1 > 3.0 || a2 < 3.0)
-	{	printf ("\n\nLine %d : cannot bracket 3dB point.\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	while (a2 - a1 > 1.0)
-	{	freq = f1 + 0.5 * (f2 - f1) ;
-		atten = find_attenuation (freq, prog, verbose) ;
-
-		if (atten < 3.0)
-		{	f1 = freq ;
-			a1 = atten ;
-			}
-		else
-		{	f2 = freq ;
-			a2 = atten ;
-			} ;
-		} ;
-
-	freq = f1 + (3.0 - a1) * (f2 - f1) / (a2 - a1) ;
-
-	return 200.0 * freq ;
-} /* bandwidth_test */
-
-static void
-measure_program (const RESAMPLE_PROG *prog, int verbose)
-{	double	snr, bandwidth, conversion_rate ;
-	int		output_samples ;
-	struct	tms	time_data ;
-	time_t	time_now ;
-
-	printf ("\n  Machine : %s\n", get_machine_details ()) ;
-	time_now = time (NULL) ;
-	printf ("  Date    : %s", ctime (&time_now)) ;
-
-	get_version_string (prog) ;
-	printf ("  Program : %s\n", version_string) ;
-	printf ("  Command : %s\n\n", prog->convert_cmd) ;
-
-	snr = measure_snr (prog, &output_samples, verbose) ;
-
-	printf ("  Worst case SNR     : %6.2f dB\n", snr) ;
-
-	times (&time_data) ;
-
-	conversion_rate = (1.0 * output_samples * sysconf (_SC_CLK_TCK)) / time_data.tms_cutime ;
-
-	printf ("  Conversion rate    : %5.0f samples/sec\n", conversion_rate) ;
-
-	bandwidth = bandwidth_test (prog, verbose) ;
-
-	if (bandwidth > 0.0)
-		printf ("  Measured bandwidth : %5.2f %%\n", bandwidth) ;
-	else
-		printf ("  Could not measure bandwidth (no -3dB point found).\n") ;
-
-	return ;
-} /* measure_program */
-
-/*##############################################################################
-*/
-
-#else
-
-int
-main (void)
-{	puts ("\n"
-		"****************************************************************\n"
-		" This program has been compiled without :\n"
-		"	1) FFTW (http://www.fftw.org/).\n"
-		"	2) libsndfile (http://www.zip.com.au/~erikd/libsndfile/).\n"
-		" Without these two libraries there is not much it can do.\n"
-		"****************************************************************\n") ;
-
-	return 0 ;
-} /* main */
-
-#endif /* (HAVE_FFTW3 && HAVE_SNDFILE) */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/streaming_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/streaming_test.c
deleted file mode 100755
index 45ad2516..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/streaming_test.c
+++ /dev/null
@@ -1,149 +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 <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define	BUFFER_LEN		(1<<15)
-
-#define BLOCK_LEN		100
-
-static void stream_test (int converter, double ratio) ;
-
-int
-main (void)
-{	static double src_ratios [] =
-	{	0.3, 0.9, 1.1, 3.0
-	} ;
-
-	int k ;
-
-	puts ("\n    Zero Order Hold interpolator:") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		stream_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ;
-
-	puts ("\n    Linear interpolator:") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		stream_test (SRC_LINEAR, src_ratios [k]) ;
-
-	puts ("\n    Sinc interpolator:") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		stream_test (SRC_SINC_FASTEST, src_ratios [k]) ;
-
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-static void
-stream_test (int converter, double src_ratio)
-{	static float input [BUFFER_LEN], output [BUFFER_LEN] ;
-
-	SRC_STATE	*src_state ;
-	SRC_DATA	src_data ;
-
-	int input_len, output_len, current_in, current_out ;
-	int error, terminate ;
-
-	printf ("\tstreaming_test   (SRC ratio = %6.4f) ........... ", src_ratio) ;
-	fflush (stdout) ;
-
-	/* Calculate maximun input and output lengths. */
-	if (src_ratio >= 1.0)
-	{	output_len = BUFFER_LEN ;
-		input_len = (int) floor (BUFFER_LEN / src_ratio) ;
-		}
-	else
-	{	input_len = BUFFER_LEN ;
-		output_len = (int) floor (BUFFER_LEN * src_ratio) ;
-		} ;
-
-	/* Reduce input_len by 10 so output is longer than necessary. */
-	input_len -= 10 ;
-
-	if (output_len > BUFFER_LEN)
-	{	printf ("\n\nLine %d : output_len > BUFFER_LEN\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	current_in = current_out = 0 ;
-
-	/* Perform sample rate conversion. */
-	if ((src_state = src_new (converter, 1, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.end_of_input = 0 ; /* Set this later. */
-
-	src_data.data_in = input ;
-	src_data.input_frames = BLOCK_LEN ;
-
-	src_data.src_ratio = src_ratio ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = BLOCK_LEN ;
-
-	while (1)
-	{	if ((error = src_process (src_state, &src_data)))
-		{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-
-printf ("src_data.input_frames  : %ld\n", src_data.input_frames) ;
-printf ("src_data.output_frames : %ld\n", src_data.output_frames) ;
-
-			exit (1) ;
-			} ;
-
-		if (src_data.end_of_input && src_data.output_frames_gen == 0)
-			break ;
-
-		current_in	+= src_data.input_frames_used ;
-		current_out += src_data.output_frames_gen ;
-
-		src_data.data_in	+= src_data.input_frames_used ;
-		src_data.data_out	+= src_data.output_frames_gen ;
-
-		src_data.input_frames	= MIN (BLOCK_LEN, input_len - current_in) ;
-		src_data.output_frames	= MIN (BLOCK_LEN, output_len - current_out) ;
-
-		src_data.end_of_input = (current_in >= input_len) ? 1 : 0 ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	terminate = (int) ceil ((src_ratio >= 1.0) ? src_ratio : 1.0 / src_ratio) ;
-
-	if (fabs (current_out - src_ratio * input_len) > 2 * terminate)
-	{	printf ("\n\nLine %d : bad output data length %d should be %d.\n", __LINE__,
-					current_out, (int) floor (src_ratio * input_len)) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_ratio) ;
-		printf ("\tinput_len  : %d\n\toutput_len : %d\n\n", input_len, output_len) ;
-		exit (1) ;
-		} ;
-
-	if (current_in != input_len)
-	{	printf ("\n\nLine %d : unused input.\n", __LINE__) ;
-		printf ("\tinput_len         : %d\n", input_len) ;
-		printf ("\tinput_frames_used : %d\n\n", current_in) ;
-		exit (1) ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* stream_test */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/termination_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/termination_test.c
deleted file mode 100755
index 0b27a217..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/termination_test.c
+++ /dev/null
@@ -1,342 +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 <math.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define	SHORT_BUFFER_LEN	2048
-#define	LONG_BUFFER_LEN		((1 << 16) - 20)
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-static void simple_test (int converter) ;
-#endif
-static void stream_test (int converter, double ratio) ;
-static void init_term_test (int converter, double ratio) ;
-
-static int	next_block_length (int reset) ;
-
-int
-main (void)
-{	static double src_ratios [] =
-	{	0.999900, 1.000100, 0.789012, 1.200000, 0.333333, 3.100000,
-		0.125000, 8.000000, 0.099900, 9.990000, 0.100000, 10.00000
-	} ;
-
-	int k ;
-
-	puts ("\n    Zero Order Hold interpolator:") ;
-
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		init_term_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ;
-	puts ("") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		stream_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ;
-
-
-	puts ("\n    Linear interpolator:") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		init_term_test (SRC_LINEAR, src_ratios [k]) ;
-	puts ("") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		stream_test (SRC_LINEAR, src_ratios [k]) ;
-
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	puts ("\n    Sinc interpolator:") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		init_term_test (SRC_SINC_FASTEST, src_ratios [k]) ;
-	puts ("") ;
-	for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++)
-		stream_test (SRC_SINC_FASTEST, src_ratios [k]) ;
-
-	puts ("") ;
-
-	simple_test (SRC_SINC_FASTEST) ;
-#endif
-
-	return 0 ;
-} /* main */
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-static void
-simple_test (int converter)
-{
-	// MSVC doesn't support variable-length arrays
-	#define ilen 199030
-	#define olen 1000
-	int error ;
-
-	{
-		float in [ilen] ;
-		float out [olen] ;
-		double ratio = (1.0 * olen) / ilen ;
-		SRC_DATA src_data =
-		{	in, out,
-			ilen, olen,
-			0, 0, 0,
-			ratio
-		} ;
-
-		error = src_simple (&src_data, converter, 1) ;
-		if (error)
-		{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-			exit (1) ;
-			} ;
-	} ;
-
-    return ;
-} /* simple_test */
-#endif
-
-static void
-init_term_test (int converter, double src_ratio)
-{	static float input [SHORT_BUFFER_LEN], output [SHORT_BUFFER_LEN] ;
-
-	SRC_DATA	src_data ;
-
-	int k, input_len, output_len, error, terminate ;
-
-	printf ("\tinit_term_test   (SRC ratio = %7.4f) .......... ", src_ratio) ;
-	fflush (stdout) ;
-
-	/* Calculate maximun input and output lengths. */
-	if (src_ratio >= 1.0)
-	{	output_len = SHORT_BUFFER_LEN ;
-		input_len = (int) floor (SHORT_BUFFER_LEN / src_ratio) ;
-		}
-	else
-	{	input_len = SHORT_BUFFER_LEN ;
-		output_len = (int) floor (SHORT_BUFFER_LEN * src_ratio) ;
-		} ;
-
-	/* Reduce input_len by 10 so output is longer than necessary. */
-	input_len -= 10 ;
-
-	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
-		input [k] = 1.0 ;
-
-	if (output_len > SHORT_BUFFER_LEN)
-	{	printf ("\n\nLine %d : output_len > SHORT_BUFFER_LEN\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	src_data.data_in = input ;
-	src_data.input_frames = input_len ;
-
-	src_data.src_ratio = src_ratio ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = SHORT_BUFFER_LEN ;
-
-	if ((error = src_simple (&src_data, converter, 1)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	terminate = (int) ceil ((src_ratio >= 1.0) ? 1 : 1.0 / src_ratio) ;
-
-	if (fabs (src_ratio * input_len - src_data.output_frames_gen) > terminate)
-	{	printf ("\n\nLine %d : Bad output frame count.\n\n", __LINE__) ;
-		printf ("\tterminate             : %d\n", terminate) ;
-		printf ("\tsrc_ratio             : %.4f\n", src_ratio) ;
-		printf ("\tinput_len             : %d\n"
-				"\tinput_len * src_ratio : %f\n", input_len, input_len * src_ratio) ;
-		printf ("\toutput_frames_gen     : %ld\n\n", src_data.output_frames_gen) ;
-		exit (1) ;
-		} ;
-
-	if (labs (src_data.input_frames_used - input_len) > 1)
-	{	printf ("\n\nLine %d : input_frames_used should be %d, is %ld.\n\n",
-					 __LINE__, input_len, src_data.input_frames_used) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_ratio) ;
-		printf ("\tinput_len  : %d\n\tinput_used : %ld\n\n", input_len, src_data.input_frames_used) ;
-		exit (1) ;
-		} ;
-
-	if (fabs (output [0]) < 0.1)
-	{	printf ("\n\nLine %d : First output sample is bad.\n\n", __LINE__) ;
-		printf ("\toutput [0] == %f\n\n", output [0]) ;
-		exit (1) ;
-		}
-
-	puts ("ok") ;
-
-	return ;
-} /* init_term_test */
-
-static void
-stream_test (int converter, double src_ratio)
-{	static float input [LONG_BUFFER_LEN], output [LONG_BUFFER_LEN] ;
-
-	SRC_STATE	*src_state ;
-	SRC_DATA	src_data ;
-
-	int input_len, output_len, current_in, current_out ;
-	int k, error, terminate ;
-
-	printf ("\tstream_test      (SRC ratio = %7.4f) .......... ", src_ratio) ;
-	fflush (stdout) ;
-
-/* Erik */
-for (k = 0 ; k < LONG_BUFFER_LEN ; k++) input [k] = k * 1.0f ;
-
-	/* Calculate maximun input and output lengths. */
-	if (src_ratio >= 1.0)
-	{	output_len = LONG_BUFFER_LEN ;
-		input_len = (int) floor (LONG_BUFFER_LEN / src_ratio) ;
-		}
-	else
-	{	input_len = LONG_BUFFER_LEN ;
-		output_len = (int) floor (LONG_BUFFER_LEN * src_ratio) ;
-		} ;
-
-	/* Reduce input_len by 10 so output is longer than necessary. */
-	input_len -= 20 ;
-
-	if (output_len > LONG_BUFFER_LEN)
-	{	printf ("\n\nLine %d : output_len > LONG_BUFFER_LEN\n\n", __LINE__) ;
-		exit (1) ;
-		} ;
-
-	current_in = current_out = 0 ;
-
-	/* Perform sample rate conversion. */
-	if ((src_state = src_new (converter, 1, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.end_of_input = 0 ; /* Set this later. */
-
-	src_data.data_in = input ;
-
-	src_data.src_ratio = src_ratio ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = ARRAY_LEN (output) / 10 ;
-
-	terminate = 1 + (int) ceil ((src_ratio >= 1.0) ? src_ratio : 1.0 / src_ratio) ;
-
-	while (1)
-	{
-		src_data.input_frames = next_block_length (0) ;
-		src_data.input_frames = MIN (src_data.input_frames, input_len - current_in) ;
-
-		src_data.output_frames = ARRAY_LEN (output) - current_out ;
-		/*-Erik MIN (src_data.output_frames, output_len - current_out) ;-*/
-
-		src_data.end_of_input = (current_in >= input_len) ? 1 : 0 ;
-
-		if ((error = src_process (src_state, &src_data)))
-		{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-			printf ("  src_data.input_frames  : %ld\n", src_data.input_frames) ;
-			printf ("  src_data.output_frames : %ld\n\n", src_data.output_frames) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.end_of_input && src_data.output_frames_gen == 0)
-			break ;
-
-		if (src_data.input_frames_used > src_data.input_frames)
-		{	printf ("\n\nLine %d : input_frames_used > input_frames\n\n", __LINE__) ;
-			printf ("  src_data.input_frames      : %ld\n", src_data.input_frames) ;
-			printf ("  src_data.input_frames_used : %ld\n", src_data.input_frames_used) ;
-			printf ("  src_data.output_frames     : %ld\n", src_data.output_frames) ;
-			printf ("  src_data.output_frames_gen : %ld\n\n", src_data.output_frames_gen) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.input_frames_used < 0)
-		{	printf ("\n\nLine %d : input_frames_used (%ld) < 0\n\n", __LINE__, src_data.input_frames_used) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.output_frames_gen < 0)
-		{	printf ("\n\nLine %d : output_frames_gen (%ld) < 0\n\n", __LINE__, src_data.output_frames_gen) ;
-			exit (1) ;
-			} ;
-
-		current_in	+= src_data.input_frames_used ;
-		current_out += src_data.output_frames_gen ;
-
-		if (current_in > input_len + terminate)
-		{	printf ("\n\nLine %d : current_in (%d) > input_len (%d + %d)\n\n", __LINE__, current_in, input_len, terminate) ;
-			exit (1) ;
-			} ;
-
-		if (current_out > output_len)
-		{	printf ("\n\nLine %d : current_out (%d) > output_len (%d)\n\n", __LINE__, current_out, output_len) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.input_frames_used > input_len)
-		{	printf ("\n\nLine %d : input_frames_used (%ld) > %d\n\n", __LINE__, src_data.input_frames_used, input_len) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.output_frames_gen > output_len)
-		{	printf ("\n\nLine %d : output_frames_gen (%ld) > %d\n\n", __LINE__, src_data.output_frames_gen, output_len) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.data_in == NULL && src_data.output_frames_gen == 0)
-			break ;
-
-
-		src_data.data_in	+= src_data.input_frames_used ;
-		src_data.data_out	+= src_data.output_frames_gen ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	if (fabs (current_out - src_ratio * input_len) > terminate)
-	{	printf ("\n\nLine %d : bad output data length %d should be %2.1f +/- %d.\n", __LINE__,
-					current_out, src_ratio * input_len, terminate) ;
-		printf ("\tsrc_ratio  : %.4f\n", src_ratio) ;
-		printf ("\tinput_len  : %d\n\tinput_used : %d\n", input_len, current_in) ;
-		printf ("\toutput_len : %d\n\toutput_gen : %d\n\n", output_len, current_out) ;
-		exit (1) ;
-		} ;
-
-	if (current_in != input_len)
-	{	printf ("\n\nLine %d : unused input.\n", __LINE__) ;
-		printf ("\tinput_len         : %d\n", input_len) ;
-		printf ("\tinput_frames_used : %d\n\n", current_in) ;
-		exit (1) ;
-		} ;
-
-	puts ("ok") ;
-
-	return ;
-} /* stream_test */
-
-static int
-next_block_length (int reset)
-{	static int block_lengths [] = /* Should be an odd length. */
-	{	/*-2, 500, 5, 400, 10, 300, 20, 200, 50, 100, 70 -*/
-		5, 400, 10, 300, 20, 200, 50, 100, 70
-		} ;
-	static int block_len_index = 0 ;
-
-	if (reset)
-		block_len_index = 0 ;
-	else
-		block_len_index = (block_len_index + 1) % ARRAY_LEN (block_lengths) ;
-
-	return block_lengths [block_len_index] ;
-} /* next_block_length */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/throughput_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/throughput_test.c
deleted file mode 100755
index e9974800..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/throughput_test.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
-** Copyright (c) 2004-2016, 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 <time.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <math.h>
-
-#ifdef _WIN32
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#endif
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#define BUFFER_LEN	(1<<16)
-
-static float input [BUFFER_LEN] ;
-static float output [BUFFER_LEN] ;
-
-static long
-throughput_test (int converter, long best_throughput)
-{	SRC_DATA src_data ;
-	clock_t start_time, clock_time ;
-	double duration ;
-	long total_frames = 0, throughput ;
-	int error ;
-
-	printf ("    %-30s    ", src_get_name (converter)) ;
-	fflush (stdout) ;
-
-	src_data.data_in = input ;
-	src_data.input_frames = ARRAY_LEN (input) ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = ARRAY_LEN (output) ;
-
-	src_data.src_ratio = 0.99 ;
-
-#ifdef _WIN32
-	Sleep (2000) ;
-#else
-	sleep (2) ;
-#endif
-
-	start_time = clock () ;
-
-	do
-	{
-		if ((error = src_simple (&src_data, converter, 1)) != 0)
-		{	puts (src_strerror (error)) ;
-			exit (1) ;
-			} ;
-
-		total_frames += src_data.output_frames_gen ;
-
-		clock_time = clock () - start_time ;
-#ifdef __GNU__ /* Clock resolution is 10ms on GNU/Hurd */
-		duration = (10000.0 * clock_time) / CLOCKS_PER_SEC ;
-#else
-		duration = (1.0 * clock_time) / CLOCKS_PER_SEC ;
-#endif
-	}
-	while (duration < 3.0) ;
-
-	if (src_data.input_frames_used != ARRAY_LEN (input))
-	{	printf ("\n\nLine %d : input frames used %ld should be %d\n", __LINE__, src_data.input_frames_used, ARRAY_LEN (input)) ;
-		exit (1) ;
-		} ;
-
-	if (fabs (src_data.src_ratio * src_data.input_frames_used - src_data.output_frames_gen) > 2)
-	{	printf ("\n\nLine %d : input / output length mismatch.\n\n", __LINE__) ;
-		printf ("    input len  : %d\n", ARRAY_LEN (input)) ;
-		printf ("    output len : %ld (should be %g +/- 2)\n\n", src_data.output_frames_gen,
-				floor (0.5 + src_data.src_ratio * src_data.input_frames_used)) ;
-		exit (1) ;
-		} ;
-
-	throughput = lrint (floor (total_frames / duration)) ;
-
-	if (best_throughput == 0)
-	{	best_throughput = MAX (throughput, best_throughput) ;
-		printf ("%5.2f          %10ld\n", duration, throughput) ;
-		}
-	else
-	{	best_throughput = MAX (throughput, best_throughput) ;
-		printf ("%5.2f          %10ld       %10ld\n", duration, throughput, best_throughput) ;
-		}
-
-
-	return best_throughput ;
-} /* throughput_test */
-
-static void
-single_run (void)
-{
-
-	printf ("\n    CPU name : %s\n", get_cpu_name ()) ;
-
-	puts (
-		"\n"
-		"    Converter                        Duration        Throughput\n"
-		"    -----------------------------------------------------------"
-		) ;
-
-	throughput_test (SRC_ZERO_ORDER_HOLD, 0) ;
-	throughput_test (SRC_LINEAR, 0) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	throughput_test (SRC_SINC_FASTEST, 0) ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-	throughput_test (SRC_SINC_MEDIUM_QUALITY, 0) ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-	throughput_test (SRC_SINC_BEST_QUALITY, 0) ;
-#endif
-
-	puts ("") ;
-	return ;
-} /* single_run */
-
-static void
-multi_run (int run_count)
-{	long zero_order_hold = 0, linear = 0 ;
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	long sinc_fastest = 0 ;
-#endif
-
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-	long sinc_medium = 0 ;
-#endif
-
-#ifdef ENABLE_SINC_BEST_CONVERTER
-	long sinc_best = 0 ;
-#endif
-	int k ;
-
-	puts (
-		"\n"
-		"    Converter                        Duration        Throughput      Best Throughput\n"
-		"    --------------------------------------------------------------------------------"
-		) ;
-
-	for (k = 0 ; k < run_count ; k++)
-	{	zero_order_hold =	throughput_test (SRC_ZERO_ORDER_HOLD, zero_order_hold) ;
-		linear =			throughput_test (SRC_LINEAR, linear) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-		sinc_fastest =		throughput_test (SRC_SINC_FASTEST, sinc_fastest) ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-		sinc_medium =		throughput_test (SRC_SINC_MEDIUM_QUALITY, sinc_medium) ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-		sinc_best =			throughput_test (SRC_SINC_BEST_QUALITY, sinc_best) ;
-#endif
-		puts ("") ;
-
-		/* Let the CPU cool down. We might be running on a laptop. */
-#ifdef _WIN32
-		Sleep (10000) ;
-#else
-		sleep (10) ;
-#endif
-		} ;
-
-	printf ("\n    CPU name : %s\n", get_cpu_name ()) ;
-
-	puts (
-		"\n"
-		"    Converter                        Best Throughput\n"
-		"    ------------------------------------------------"
-		) ;
-	printf ("    %-30s    %10ld\n", src_get_name (SRC_ZERO_ORDER_HOLD), zero_order_hold) ;
-	printf ("    %-30s    %10ld\n", src_get_name (SRC_LINEAR), linear) ;
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	printf ("    %-30s    %10ld\n", src_get_name (SRC_SINC_FASTEST), sinc_fastest) ;
-#endif
-#ifdef ENABLE_SINC_MEDIUM_CONVERTER
-	printf ("    %-30s    %10ld\n", src_get_name (SRC_SINC_MEDIUM_QUALITY), sinc_medium) ;
-#endif
-#ifdef ENABLE_SINC_BEST_CONVERTER
-	printf ("    %-30s    %10ld\n", src_get_name (SRC_SINC_BEST_QUALITY), sinc_best) ;
-#endif
-
-	puts ("") ;
-} /* multi_run */
-
-static void
-usage_exit (const char * argv0)
-{	const char * cptr ;
-
-	if ((cptr = strrchr (argv0, '/')) != NULL)
-		argv0 = cptr ;
-
-	printf (
-		"Usage :\n"
-	 	"    %s                 - Single run of the throughput test.\n"
-		"    %s --best-of N     - Do N runs of test a print bext result.\n"
-		"\n",
-		argv0, argv0) ;
-
-	exit (0) ;
-} /* usage_exit */
-
-int
-main (int argc, char ** argv)
-{	double freq ;
-
-	memset (input, 0, sizeof (input)) ;
-	freq = 0.01 ;
-	gen_windowed_sines (1, &freq, 1.0, input, BUFFER_LEN) ;
-
-	if (argc == 1)
-		single_run () ;
-	else if (argc == 3 && strcmp (argv [1], "--best-of") == 0)
-	{	int run_count = atoi (argv [2]) ;
-
-		if (run_count < 1 || run_count > 20)
-		{	printf ("Please be sensible. Run count should be in range (1, 10].\n") ;
-			exit (1) ;
-			} ;
-
-		multi_run (run_count) ;
-		}
-	else
-		usage_exit (argv [0]) ;
-
-	puts (
-		"            Duration is in seconds.\n"
-		"            Throughput is in samples/sec (more is better).\n"
-		) ;
-
-	return 0 ;
-} /* main */
-
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 */
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/util.h b/lib/libsamplerate/libsamplerate-0.2.2/tests/util.h
deleted file mode 100755
index 3303a29d..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/util.h
+++ /dev/null
@@ -1,41 +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
-*/
-
-#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) ; \
-	    } ;
-
diff --git a/lib/libsamplerate/libsamplerate-0.2.2/tests/varispeed_test.c b/lib/libsamplerate/libsamplerate-0.2.2/tests/varispeed_test.c
deleted file mode 100755
index 3c9531c0..00000000
--- a/lib/libsamplerate/libsamplerate-0.2.2/tests/varispeed_test.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
-** Copyright (c) 2006-2016, 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 <math.h>
-#include <string.h>
-
-#include <samplerate.h>
-
-#include "util.h"
-
-#if HAVE_FFTW3
-#include <fftw3.h>
-#else
-#define fftw_cleanup()
-#endif
-
-#define	BUFFER_LEN		(1 << 14)
-
-static void varispeed_test (int converter, double target_snr) ;
-static void varispeed_bounds_test (int converter) ;
-static void set_ratio_test (int converter, int channels, double initial_ratio, double second_ratio) ;
-
-int
-main (void)
-{
-	puts ("\n    Varispeed SNR test") ;
-	printf ("        Zero Order Hold interpolator    : ") ;
-	fflush (stdout) ;
-	varispeed_test (SRC_ZERO_ORDER_HOLD, 10.0) ;
-	puts ("ok") ;
-
-	printf ("        Linear interpolator             : ") ;
-	fflush (stdout) ;
-	varispeed_test (SRC_LINEAR, 10.0) ;
-	puts ("ok") ;
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	printf ("        Sinc interpolator               : ") ;
-	fflush (stdout) ;
-	varispeed_test (SRC_SINC_FASTEST, 115.0) ;
-	puts ("ok") ;
-#endif
-
-	puts ("\n    Varispeed bounds test") ;
-	printf ("        Zero Order Hold interpolator    : ") ;
-	fflush (stdout) ;
-	varispeed_bounds_test (SRC_ZERO_ORDER_HOLD) ;
-	puts ("ok") ;
-
-	printf ("        Linear interpolator             : ") ;
-	fflush (stdout) ;
-	varispeed_bounds_test (SRC_LINEAR) ;
-	puts ("ok") ;
-
-#ifdef ENABLE_SINC_FAST_CONVERTER
-	printf ("        Sinc interpolator               : ") ;
-	fflush (stdout) ;
-	varispeed_bounds_test (SRC_SINC_FASTEST) ;
-	puts ("ok") ;
-#endif
-
-	fftw_cleanup () ;
-	puts ("") ;
-
-	return 0 ;
-} /* main */
-
-static void
-varispeed_test (int converter, double target_snr)
-{	static float input [BUFFER_LEN], output [BUFFER_LEN] ;
-	double sine_freq, snr ;
-
-	SRC_STATE	*src_state ;
-	SRC_DATA	src_data ;
-
-	int input_len, error ;
-
-	memset (input, 0, sizeof (input)) ;
-
-	input_len = ARRAY_LEN (input) / 2 ;
-
-	sine_freq = 0.0111 ;
-	gen_windowed_sines (1, &sine_freq, 1.0, input, input_len) ;
-
-	/* Perform sample rate conversion. */
-	if ((src_state = src_new (converter, 1, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new () failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.end_of_input = 1 ;
-
-	src_data.data_in = input ;
-	src_data.input_frames = input_len ;
-
-	src_data.src_ratio = 3.0 ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = ARRAY_LEN (output) ;
-
-	if ((error = src_set_ratio (src_state, 1.0 / src_data.src_ratio)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	if ((error = src_process (src_state, &src_data)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		printf ("  src_data.input_frames  : %ld\n", src_data.input_frames) ;
-		printf ("  src_data.output_frames : %ld\n\n", src_data.output_frames) ;
-		exit (1) ;
-		} ;
-
-	if (src_data.input_frames_used != input_len)
-	{	printf ("\n\nLine %d : unused input.\n", __LINE__) ;
-		printf ("\tinput_len         : %d\n", input_len) ;
-		printf ("\tinput_frames_used : %ld\n\n", src_data.input_frames_used) ;
-		exit (1) ;
-		} ;
-
-	/* Copy the last output to the input. */
-	memcpy (input, output, sizeof (input)) ;
-	reverse_data (input, src_data.output_frames_gen) ;
-
-	if ((error = src_reset (src_state)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	src_data.end_of_input = 1 ;
-
-	src_data.data_in = input ;
-	input_len = src_data.input_frames = src_data.output_frames_gen ;
-
-	src_data.data_out = output ;
-	src_data.output_frames = ARRAY_LEN (output) ;
-
-	if ((error = src_set_ratio (src_state, 1.0 / src_data.src_ratio)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	if ((error = src_process (src_state, &src_data)))
-	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
-		printf ("  src_data.input_frames  : %ld\n", src_data.input_frames) ;
-		printf ("  src_data.output_frames : %ld\n\n", src_data.output_frames) ;
-		exit (1) ;
-		} ;
-
-	if (src_data.input_frames_used != input_len)
-	{	printf ("\n\nLine %d : unused input.\n", __LINE__) ;
-		printf ("\tinput_len         : %d\n", input_len) ;
-		printf ("\tinput_frames_used : %ld\n\n", src_data.input_frames_used) ;
-		exit (1) ;
-		} ;
-
-	src_state = src_delete (src_state) ;
-
-	snr = calculate_snr (output, src_data.output_frames_gen, 1) ;
-
-	if (target_snr > snr)
-	{	printf ("\n\nLine %d : snr (%3.1f) does not meet target (%3.1f)\n\n", __LINE__, snr, target_snr) ;
-		save_oct_float ("varispeed.mat", input, src_data.input_frames, output, src_data.output_frames_gen) ;
-		exit (1) ;
-		} ;
-
-	return ;
-} /* varispeed_test */
-
-static void
-varispeed_bounds_test (int converter)
-{	double ratios [] = { 0.1, 0.01, 20 } ;
-	int chan, r1, r2 ;
-
-	for (chan = 1 ; chan <= 9 ; chan ++)
-		for (r1 = 0 ; r1 < ARRAY_LEN (ratios) ; r1++)
-			for (r2 = 0 ; r2 < ARRAY_LEN (ratios) ; r2 ++)
-				if (r1 != r2)
-					set_ratio_test (converter, chan, ratios [r1], ratios [r2]) ;
-} /* varispeed_bounds_test */
-
-static void
-set_ratio_test (int converter, int channels, double initial_ratio, double second_ratio)
-{	const int total_input_frames = BUFFER_LEN ;
-	/* Maximum upsample ratio is 20, use a value beigger. */
-	const int total_output_frames = 25 * BUFFER_LEN ;
-
-	/* Interested in array boundary conditions, so all zero data here is fine. */
-	float *input = calloc (total_input_frames * channels, sizeof (float)) ;
-	float *output = calloc (total_output_frames * channels, sizeof (float)) ;
-
-	char details [128] ;
-
-	const int max_loop_count = 100000 ;
-	const int chunk_size = 128 ;
-
-	SRC_STATE *src_state ;
-	SRC_DATA src_data ;
-
-	int error, k, total_frames_used, total_frames_gen ;
-
-	snprintf (details, sizeof (details), "%d channels, ratio %g -> %g", channels, initial_ratio, second_ratio) ;
-
-	if ((src_state = src_new (converter, channels, &error)) == NULL)
-	{	printf ("\n\nLine %d : src_new () failed : %s\n\n", __LINE__, src_strerror (error)) ;
-		exit (1) ;
-		} ;
-
-	total_frames_used = 0 ;
-	total_frames_gen = 0 ;
-
-	memset (&src_data, 0, sizeof (src_data)) ;
-	src_data.end_of_input = 0 ;
-	src_data.src_ratio = initial_ratio ;
-	src_data.data_in = input ;
-	src_data.data_out = output ;
-	src_data.input_frames = chunk_size ;
-	src_data.output_frames = total_output_frames ;
-
-	/* Use a max_loop_count here to enable the detection of infinite loops
-	** (due to end of input not being detected.
-	*/
-	for (k = 0 ; k < max_loop_count ; k ++)
-	{	if (k == 1)
-		{	/* Hard switch to second_ratio after processing one chunk. */
-			src_data.src_ratio = second_ratio ;
-			if ((error = src_set_ratio (src_state, second_ratio)))
-			{	printf ("\n\nLine %d : %s : %s\n\n", __LINE__, details, src_strerror (error)) ;
-				exit (1) ;
-				} ;
-			} ;
-
-		if ((error = src_process (src_state, &src_data)) != 0)
-		{	printf ("\n\nLine %d : %s : %s\n\n", __LINE__, details, src_strerror (error)) ;
-			exit (1) ;
-			} ;
-
-		if (src_data.end_of_input && src_data.output_frames_gen == 0)
-			break ;
-
-		total_frames_used	+= src_data.input_frames_used ;
-		total_frames_gen 	+= src_data.output_frames_gen ;
-
-		src_data.data_in	+= src_data.input_frames_used * channels ;
-		src_data.data_out	+= src_data.output_frames_gen * channels ;
-
-		src_data.input_frames	= total_input_frames - total_frames_used ;
-		src_data.output_frames	= total_output_frames - total_frames_gen ;
-
-		src_data.end_of_input = total_frames_used >= total_input_frames ? 1 : 0 ;
-		} ;
-
-	ASSERT (k < max_loop_count) ;
-	ASSERT (total_frames_gen > 0) ;
-
-	for (k = 0 ; k < total_frames_gen * channels ; k ++)
-		ASSERT (! isnan (output [k])) ;
-
-	src_state = src_delete (src_state) ;
-
-	free (input) ;
-	free (output) ;
-
-	return ;
-} /* set_ratio_test */