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fix memcpy erroneously used on overlapping buffer regions as described in #1379

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AlexandreRouma 2024-04-17 01:20:17 +02:00
parent ea08fac32e
commit 779ef7ecf1
1 changed files with 2 additions and 2 deletions
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4
core/src/dsp/filter/fir.h
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@ -41,10 +41,10 @@ namespace dsp::filter {
// Move existing data to make transition seemless // Move existing data to make transition seemless
if (_taps.size < oldTC) { if (_taps.size < oldTC) {
memcpy(buffer, &buffer[oldTC - _taps.size], (_taps.size - 1) * sizeof(D)); memmove(buffer, &buffer[oldTC - _taps.size], (_taps.size - 1) * sizeof(D));
} }
else if (_taps.size > oldTC) { else if (_taps.size > oldTC) {
memcpy(&buffer[_taps.size - oldTC], buffer, (oldTC - 1) * sizeof(D)); memmove(&buffer[_taps.size - oldTC], buffer, (oldTC - 1) * sizeof(D));
buffer::clear<D>(buffer, _taps.size - oldTC); buffer::clear<D>(buffer, _taps.size - oldTC);
} }