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DATV: leandvb: safer cnr_fft

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This commit is contained in:
f4exb 2021-03-17 01:30:17 +01:00
parent c03e08c76a
commit a55c879c1b
1 changed files with 8 additions and 2 deletions
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10
plugins/channelrx/demoddatv/leansdr/sdr.h
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@ -1938,7 +1938,10 @@ struct cnr_fft : runnable
T s = 0;
for (int i = i0; i <= i1; ++i)
s += avgpower[i & (fft.n - 1)];
{
int j = i < 0 ? fft.n + i : i;
s += avgpower[j < 0 ? 0 : j >= fft.n ? fft.n-1 : j];
}
return s / (i1 - i0 + 1);
}
@ -1948,7 +1951,10 @@ struct cnr_fft : runnable
int l = 0;
for (int i = i0; i <= i1; ++i, ++l)
sorted[l] = avgpower[i & (fft.n - 1)];
{
int j = i < 0 ? fft.n + i : i;
sorted[l] = avgpower[j < 0 ? 0 : j >= fft.n ? fft.n-1 : j];
}
std::sort(sorted, &sorted[l]);
int m = l/5;