shithub: dumb

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Removed unnecessary code

--- a/dumb/src/helpers/lanczos_resampler.c

+++ b/dumb/src/helpers/lanczos_resampler.c

@@ -5,12 +5,10 @@

 #include "internal/lanczos_resampler.h"

-enum { COSINE_RESOLUTION = 8192 };

 enum { LANCZOS_RESOLUTION = 8192 };

 enum { LANCZOS_WIDTH = 8 };

 enum { LANCZOS_SAMPLES = LANCZOS_RESOLUTION * LANCZOS_WIDTH };

-static double cosine_lut[COSINE_RESOLUTION];

 static double lanczos_lut[LANCZOS_SAMPLES];

 enum { lanczos_buffer_size = LANCZOS_WIDTH * 4 };

@@ -28,10 +26,7 @@

 void lanczos_init()

 {

 	unsigned i;

-	double dx, x;

-	for (i = 0; i < COSINE_RESOLUTION; ++i)

-		cosine_lut[i] = (1.0 - cos(((double)(i) / COSINE_RESOLUTION) * M_PI)) * 0.5;

-	dx = (double)(LANCZOS_WIDTH) / LANCZOS_SAMPLES; x = 0.0;

+	double dx = (double)(LANCZOS_WIDTH) / LANCZOS_SAMPLES, x = 0.0;

 	for (i = 0; i < LANCZOS_SAMPLES; ++i, x += dx)

 		lanczos_lut[i] = abs(x) < LANCZOS_WIDTH ? sinc(x) * sinc(x / LANCZOS_WIDTH) : 0.0;

 }