Do our own resampling

1 files changed, 0 insertions, 168 deletions

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 */
-