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avoid delivering NaN's when setting up a generic plugin UI

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git-svn-id: svn://localhost/ardour2/branches/3.0@8116 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-11-28 18:29:21 +00:00
parent 785478b251
commit 422309880c
1 changed files with 6 additions and 1 deletions
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7
gtk2_ardour/generic_pluginui.cc
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@ -527,7 +527,12 @@ GenericPluginUI::build_control_ui (guint32 port_index, boost::shared_ptr<Automat
} }
if (control_ui->logarithmic) { if (control_ui->logarithmic) {
adj->set_value(log(plugin->get_parameter(port_index))); double val = plugin->get_parameter (port_index);
if (isnan (val) || val <= 0.0) {
adj->set_value (0.0);
} else {
adj->set_value (log(val));
}
} else{ } else{
adj->set_value(plugin->get_parameter(port_index)); adj->set_value(plugin->get_parameter(port_index));
} }