sjg/trx-rs
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[perf](trx-backend-soapysdr): update fir overlap in place

Browse Source 
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-03-01 01:13:10 +01:00
parent 7a6467320b
commit 198efa2092
1 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/trx-server/trx-backend/trx-backend-soapysdr/src/dsp.rs
+7 -8
View File
@@ -292,15 +292,14 @@ impl BlockFirFilter {
// Update overlap with the tail of the current input. // Update overlap with the tail of the current input.
if n_overlap > 0 { if n_overlap > 0 {
let keep_old = n_overlap.saturating_sub(n_new); if n_new >= n_overlap {
let mut new_overlap = Vec::with_capacity(n_overlap); let new_start = n_new - n_overlap;
if keep_old > 0 { self.overlap.copy_from_slice(&input[new_start..]);
let start = self.overlap.len() - keep_old; } else {
new_overlap.extend_from_slice(&self.overlap[start..]); let keep_old = n_overlap - n_new;
self.overlap.copy_within(n_new..n_overlap, 0);
self.overlap[keep_old..].copy_from_slice(input);
} }
let new_start = n_new.saturating_sub(n_overlap);
new_overlap.extend_from_slice(&input[new_start..]);
self.overlap = new_overlap;
} }
} }