diff options
| author | Paul Davis <paul@linuxaudiosystems.com> | 2009-10-01 16:42:02 +0000 |
|---|---|---|
| committer | Paul Davis <paul@linuxaudiosystems.com> | 2009-10-01 16:42:02 +0000 |
| commit | c279da57ffaabce2c435820118c4629a75fb89d8 (patch) | |
| tree | a7517b113ece60c7db72cf9a3f7e1ec209a30bb8 /libs/ardour/ladspa_plugin.cc | |
| parent | 57ac4cb2235e15f856716b2b38a340974398e856 (diff) | |
LADSPA logarithmic handling patches from nickm and robsch
git-svn-id: svn://localhost/ardour2/branches/3.0@5705 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/ladspa_plugin.cc')
| -rw-r--r-- | libs/ardour/ladspa_plugin.cc | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/libs/ardour/ladspa_plugin.cc b/libs/ardour/ladspa_plugin.cc index 852587896e..06a67aca08 100644 --- a/libs/ardour/ladspa_plugin.cc +++ b/libs/ardour/ladspa_plugin.cc @@ -178,34 +178,44 @@ LadspaPlugin::default_value (uint32_t port) ret = prh[port].LowerBound; bounds_given = true; sr_scaling = true; - earlier_hint = true; } /* FIXME: add support for logarithmic defaults */ else if (LADSPA_IS_HINT_DEFAULT_LOW(prh[port].HintDescriptor)) { - ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f; + if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) { + ret = exp(log(prh[port].LowerBound) * 0.75f + log(prh[port].UpperBound) * 0.25f); + } + else { + ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f; + } bounds_given = true; sr_scaling = true; - earlier_hint = true; } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(prh[port].HintDescriptor)) { - ret = prh[port].LowerBound * 0.50f + prh[port].UpperBound * 0.50f; + if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) { + ret = exp(log(prh[port].LowerBound) * 0.5f + log(prh[port].UpperBound) * 0.5f); + } + else { + ret = prh[port].LowerBound * 0.5f + prh[port].UpperBound * 0.5f; + } bounds_given = true; sr_scaling = true; - earlier_hint = true; } else if (LADSPA_IS_HINT_DEFAULT_HIGH(prh[port].HintDescriptor)) { - ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f; + if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) { + ret = exp(log(prh[port].LowerBound) * 0.25f + log(prh[port].UpperBound) * 0.75f); + } + else { + ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f; + } bounds_given = true; sr_scaling = true; - earlier_hint = true; } else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(prh[port].HintDescriptor)) { ret = prh[port].UpperBound; bounds_given = true; sr_scaling = true; - earlier_hint = true; } else if (LADSPA_IS_HINT_DEFAULT_0(prh[port].HintDescriptor)) { ret = 0.0f; |