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Enforce range and integer hints on ratio controls, for predictability

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This commit is contained in:
Chris Cannam
2022-01-13 08:42:56 +00:00
parent 1460f39ad4
commit 41ba70fbb9
1 changed files with 20 additions and 4 deletions
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24
ladspa-lv2/RubberBandPitchShifter.cpp
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@@ -496,10 +496,26 @@ RubberBandPitchShifter::activateImpl()
void
RubberBandPitchShifter::updateRatio()
{
double oct = (m_octaves ? *m_octaves : 0.0);
oct += (m_semitones ? *m_semitones : 0.0) / 12;
oct += (m_cents ? *m_cents : 0.0) / 1200;
m_ratio = pow(2.0, oct);
// The octaves, semitones, and cents parameters are supposed to be
// integral: enforce that, just to avoid inconsistencies between
// hosts if some respect the hints more than others
double octaves = round(m_octaves ? *m_octaves : 0.0);
if (octaves < -2.0) octaves = -2.0;
if (octaves > 2.0) octaves = 2.0;
double semitones = round(m_semitones ? *m_semitones : 0.0);
if (semitones < -12.0) semitones = -12.0;
if (semitones > 12.0) semitones = 12.0;
double cents = round(m_cents ? *m_cents : 0.0);
if (cents < -100.0) cents = -100.0;
if (cents > 100.0) cents = 100.0;
m_ratio = pow(2.0,
octaves +
semitones / 12.0 +
cents / 1200.0);
}
void