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API to reset plugin parameters to default

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This commit is contained in:
Robin Gareus 2015-05-04 20:22:50 +02:00
parent 54fe093371
commit fbea6c2542
2 changed files with 66 additions and 0 deletions
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3
libs/ardour/ardour/plugin_insert.h
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@ -61,6 +61,9 @@ class LIBARDOUR_API PluginInsert : public Processor
void deactivate ();
void flush ();
bool reset_parameters_to_default ();
bool can_reset_all_parameters ();
int set_block_size (pframes_t nframes);
ChanCount output_streams() const;

63
libs/ardour/plugin_insert.cc
View File

@ -601,6 +601,69 @@ PluginInsert::default_parameter_value (const Evoral::Parameter& param)
return _plugins[0]->default_value (param.id());
}
bool
PluginInsert::can_reset_all_parameters ()
{
bool all = true;
uint32_t params = 0;
for (uint32_t par = 0; par < _plugins[0]->parameter_count(); ++par) {
bool ok=false;
const uint32_t cid = _plugins[0]->nth_parameter (par, ok);
if (!ok || !_plugins[0]->parameter_is_input(cid)) {
continue;
}
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter(PluginAutomation, 0, cid));
if (!ac) {
continue;
}
++params;
if (ac->automation_state() & Play) {
all = false;
break;
}
}
return all && (params > 0);
}
bool
PluginInsert::reset_parameters_to_default ()
{
bool all = true;
for (uint32_t par = 0; par < _plugins[0]->parameter_count(); ++par) {
bool ok=false;
const uint32_t cid = _plugins[0]->nth_parameter (par, ok);
if (!ok || !_plugins[0]->parameter_is_input(cid)) {
continue;
}
const float dflt = _plugins[0]->default_value (cid);
const float curr = _plugins[0]->get_parameter (cid);
if (dflt == curr) {
continue;
}
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter(PluginAutomation, 0, cid));
if (!ac) {
continue;
}
if (ac->automation_state() & Play) {
all = false;
continue;
}
ac->set_value (dflt);
}
return all;
}
boost::shared_ptr<Plugin>
PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
{