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test a different approach to propagating plugin parameter changes (VST only for now)

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git-svn-id: svn://localhost/ardour2/branches/3.0@13122 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2012-08-09 17:59:43 +00:00
parent 5ce7e740c4
commit e61c2aeda3
1 changed files with 10 additions and 12 deletions
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22
libs/ardour/vst_plugin.cc
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@ -100,24 +100,22 @@ VSTPlugin::get_parameter (uint32_t which) const
}
void
VSTPlugin::set_parameter (uint32_t which, float val)
VSTPlugin::set_parameter (uint32_t which, float newval)
{
float v = get_parameter (which);
float oldval = get_parameter (which);
cerr << name() << " setting parameter #" << which << " to " << val << " current " << v << " == ? "
<< (v == val) << " floateq ? " << floateq (v, val, 1) << " delta "
<< std::setprecision(15)
<< (v - val) << endl;
if (PBD::floateq (get_parameter (which), val, 1)) {
if (PBD::floateq (oldval, newval, 1)) {
return;
}
_plugin->setParameter (_plugin, which, val);
_plugin->setParameter (_plugin, which, newval);
float curval = get_parameter (which);
cerr << "\thaving set parameter to " << val << " new value is " << get_parameter (which) << endl;
Plugin::set_parameter (which, val);
if (!PBD::floateq (curval, oldval, 1)) {
/* value has changed, follow rest of the notification path */
Plugin::set_parameter (which, newval);
}
}
uint32_t