From 118175a3a281c7f70649c74f0e1727cbb65010e8 Mon Sep 17 00:00:00 2001 From: Sampo Savolainen Date: Sun, 2 Jul 2006 20:51:16 +0000 Subject: Fix midi control for log plugin parameters. git-svn-id: svn://localhost/ardour2/trunk@663 d708f5d6-7413-0410-9779-e7cbd77b26cf --- libs/ardour/plugin.cc | 14 ++++++++++---- 1 file 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); } } -- cgit v1.2.3