From 1fab87af1d1a92f7fb04ac3e848ba70fd54fe3b6 Mon Sep 17 00:00:00 2001
From: ha7ilm <retzlerandras@gmail.com>
Date: Sat, 18 Feb 2017 16:26:51 +0100
Subject: [PATCH] haha, fixed that artifact too. Strange flickering line in the
 spectrum at -100 dB was caused by reading some samples out of region

---
 libcsdr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libcsdr.c b/libcsdr.c
index fbbf6c5..ab7523f 100644
--- a/libcsdr.c
+++ b/libcsdr.c
@@ -734,7 +734,7 @@ void fractional_decimator_ff(float* input, float* output, int input_size, fracti
 	int index_high; 
 #define FD_INDEX_LOW (index_high-1)
 	//we optimize to calculate ceilf(where) only once every iteration, so we do it here:
-	for(;(index_high=ceilf(d->where))+d->xilast+d->taps_length<input_size;d->where+=d->rate) //@fractional_decimator_ff
+	for(;(index_high=ceilf(d->where))+d->xilast+1+d->taps_length<input_size;d->where+=d->rate) //@fractional_decimator_ff
 	{
 		int sxifirst = FD_INDEX_LOW + d->xifirst; 
 		int sxilast = FD_INDEX_LOW + d->xilast;