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| author | MerryMage <MerryMage@users.noreply.github.com> | 2017-04-22 09:49:46 +0100 |
|---|---|---|
| committer | MerryMage <MerryMage@users.noreply.github.com> | 2017-04-23 09:18:29 +0100 |
| commit | 751351fd20443d855f4d7d50754ec0d1001f6a97 (patch) | |
| tree | 0904ec0acf2aade735ce0092143e16d2bddff12a /Source/Core/AudioCommon/DPL2Decoder.cpp | |
| parent | 24027c1d4adc230121fea67d201265eca9e109a1 (diff) | |
DPL2Decoder: Simplify cut-off frequency logic in DesignFIR
Diffstat (limited to 'Source/Core/AudioCommon/DPL2Decoder.cpp')
| -rw-r--r-- | Source/Core/AudioCommon/DPL2Decoder.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/Source/Core/AudioCommon/DPL2Decoder.cpp b/Source/Core/AudioCommon/DPL2Decoder.cpp index a6b301fc5a..6c8be523bf 100644 --- a/Source/Core/AudioCommon/DPL2Decoder.cpp +++ b/Source/Core/AudioCommon/DPL2Decoder.cpp @@ -134,16 +134,13 @@ static float* DesignFIR(unsigned int n, float fc, float opt) if (n == 0) return nullptr; - fc = MathUtil::Clamp(fc, 0.001f, 1.0f); - float* w = (float*)calloc(sizeof(float), n); // Get window coefficients Hamming(n, w); - fc1 = fc; // Cutoff frequency must be < 0.5 where 0.5 <=> Fs/2 - fc1 = ((fc1 <= 1.0) && (fc1 > 0.0)) ? fc1 / 2 : 0.25f; + fc1 = MathUtil::Clamp(fc, 0.001f, 1.0f) / 2; k1 *= fc1; // Low pass filter |