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haha, fixed that artifact too. Strange flickering line in the spectrum at -100 dB was caused by reading some samples out of region

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ha7ilm 2017-02-18 16:26:51 +01:00
parent 0306b5b5bf
commit 1fab87af1d
1 changed files with 1 additions and 1 deletions
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libcsdr.c
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@ -734,7 +734,7 @@ void fractional_decimator_ff(float* input, float* output, int input_size, fracti
int index_high; int index_high;
#define FD_INDEX_LOW (index_high-1) #define FD_INDEX_LOW (index_high-1)
//we optimize to calculate ceilf(where) only once every iteration, so we do it here: //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 sxifirst = FD_INDEX_LOW + d->xifirst;
int sxilast = FD_INDEX_LOW + d->xilast; int sxilast = FD_INDEX_LOW + d->xilast;