diff options
Diffstat (limited to 'libs/ardour/plugin.cc')
| -rw-r--r-- | libs/ardour/plugin.cc | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc index 2d1f8ffcbd..9fc6c57909 100644 --- a/libs/ardour/plugin.cc +++ b/libs/ardour/plugin.cc @@ -127,10 +127,16 @@ Plugin::MIDIPortControl::set_value (float value) value = 0.0; } } else { - value = lower + (range * value); - - if (logarithmic) { - value = exp(value); + + if (!logarithmic) { + value = lower + (range * value); + } else { + float _lower = 0.0f; + if (lower > 0.0f) { + _lower = log(lower); + } + + value = exp(_lower + log(range) * value); } } |