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This commit is contained in:
Christian Speckner 2018-05-12 00:44:31 +02:00
parent ce2d650df4
commit 33db8a8b03
1 changed files with 3 additions and 1 deletions
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4
src/common/audio/LanczosResampler.cxx
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@ -109,6 +109,7 @@ void LanczosResampler::precomputeKernels()
for (uInt32 i = 0; i < myPrecomputedKernelCount; i++) {
float* kernel = myPrecomputedKernels + myKernelSize * i;
// The kernel is normalized such to be evaluate on time * formatFrom.sampleRate
float center =
static_cast<float>(timeIndex) / static_cast<float>(myFormatTo.sampleRate);
@ -120,7 +121,8 @@ void LanczosResampler::precomputeKernels()
// Next step: time += 1 / formatTo.sampleRate
//
// By construction, we limit x in the kernal evaluation to 0 .. 1 / formatFrom.sampleRate
// By construction, we limit the argument during kernel evaluation to 0 .. 1, which
// corresponds to 0 .. 1 / formatFrom.sampleRate for the time
//
// time = N / formatFrom.sampleRate + delta
//