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add some convenience lua functions for plugin management

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This commit is contained in:
Robin Gareus 2016-03-19 16:39:24 +01:00
parent fc988428bc
commit dffdee85a0
3 changed files with 109 additions and 0 deletions
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79
libs/ardour/lua_api.cc
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@ -26,6 +26,7 @@
#include "ardour/luascripting.h"
#include "ardour/plugin.h"
#include "ardour/plugin_insert.h"
#include "ardour/plugin_manager.h"
#include "i18n.h"
@ -66,6 +67,84 @@ ARDOUR::LuaAPI::new_luaproc (Session *s, const string& name)
return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
}
boost::shared_ptr<Processor>
ARDOUR::LuaAPI::new_plugin (Session *s, const string& name, ARDOUR::PluginType type, const string& preset)
{
if (!s) {
return boost::shared_ptr<Processor> ();
}
PluginManager& manager = PluginManager::instance();
PluginInfoList all_plugs;
all_plugs.insert(all_plugs.end(), manager.ladspa_plugin_info().begin(), manager.ladspa_plugin_info().end());
#ifdef WINDOWS_VST_SUPPORT
all_plugs.insert(all_plugs.end(), manager.windows_vst_plugin_info().begin(), manager.windows_vst_plugin_info().end());
#endif
#ifdef LXVST_SUPPORT
all_plugs.insert(all_plugs.end(), manager.lxvst_plugin_info().begin(), manager.lxvst_plugin_info().end());
#endif
#ifdef AUDIOUNIT_SUPPORT
all_plugs.insert(all_plugs.end(), manager.au_plugin_info().begin(), manager.au_plugin_info().end());
#endif
#ifdef LV2_SUPPORT
all_plugs.insert(all_plugs.end(), manager.lv2_plugin_info().begin(), manager.lv2_plugin_info().end());
#endif
PluginInfoPtr pip;
for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {
if (((*i)->name == name || (*i)->unique_id == name) && (*i)->type == type) {
pip = *i;
break;
}
}
if (!pip) {
return boost::shared_ptr<Processor> ();
}
PluginPtr p = pip->load (*s);
if (!p) {
return boost::shared_ptr<Processor> ();
}
if (!preset.empty()) {
const Plugin::PresetRecord *pr = p->preset_by_label (preset);
if (pr) {
p->load_preset (*pr);
}
}
return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
}
bool
ARDOUR::LuaAPI::set_plugin_insert_param (boost::shared_ptr<PluginInsert> pi, uint32_t which, float val)
{
boost::shared_ptr<Plugin> plugin = pi->plugin();
if (!plugin) { return false; }
bool ok=false;
uint32_t controlid = plugin->nth_parameter (which, ok);
if (!ok) { return false; }
if (!plugin->parameter_is_input (controlid)) { return false; }
ParameterDescriptor pd;
if (plugin->get_parameter_descriptor (controlid, pd) != 0) { return false; }
if (val < pd.lower || val > pd.upper) { return false; }
boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
c->set_value (val, PBD::Controllable::NoGroup);
return true;
}
bool
ARDOUR::LuaAPI::set_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, float val)
{
boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
if (!pi) { return false; }
return set_plugin_insert_param (pi, which, val);
}
int
ARDOUR::LuaAPI::LuaOSCAddress::send (lua_State *L)
{