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[BUGFIX] Make LanczosResampler's hard-coded buffer size more conservative #9

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Jan 21, 2024
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[BUGFIX] Make LanczosResampler's hard-coded buffer size more conservative #9

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5 changes: 4 additions & 1 deletion dsp/ResamplingContainer/Dependencies/LanczosResampler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,10 @@ class LanczosResampler

// The buffer size. This needs to be at least as large as the largest block of samples
// that the input side will see.
static constexpr size_t kBufferSize = 4096;
// WARNING: hard-coded to accommodate 8192 samples, from 44.1 to 192k!
// If someone is past this, then maybe they know what they're doing ;)
// (size_t)(8192 * 3 * 192000 / 44100)+1 = 106998
static constexpr size_t kBufferSize = 131072; // Round up to pow2. I don't know why, but it doesn't work otherwise.
// The filter width. 2x because the filter goes from -A to A
static constexpr size_t kFilterWidth = A * 2;
// The discretization resolution for the filter table.
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