307 lines
8.6 KiB
C++
307 lines
8.6 KiB
C++
/*
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* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include <cstring>
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#include "pbd/error.h"
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#include "pbd/compose.h"
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#include "ardour/lua_api.h"
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#include "ardour/luaproc.h"
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#include "ardour/luascripting.h"
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#include "ardour/plugin.h"
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#include "ardour/plugin_insert.h"
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#include "ardour/plugin_manager.h"
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#include "LuaBridge/LuaBridge.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace std;
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int
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ARDOUR::LuaAPI::datatype_ctor_null (lua_State *L)
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{
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DataType dt (DataType::NIL);
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luabridge::Stack <DataType>::push (L, dt);
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return 1;
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}
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int
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ARDOUR::LuaAPI::datatype_ctor_audio (lua_State *L)
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{
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DataType dt (DataType::AUDIO);
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// NB luabridge will copy construct the object and manage lifetime.
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luabridge::Stack <DataType>::push (L, dt);
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return 1;
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}
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int
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ARDOUR::LuaAPI::datatype_ctor_midi (lua_State *L)
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{
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DataType dt (DataType::MIDI);
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luabridge::Stack <DataType>::push (L, dt);
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return 1;
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}
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boost::shared_ptr<Processor>
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ARDOUR::LuaAPI::nil_processor ()
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{
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return boost::shared_ptr<Processor> ();
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}
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boost::shared_ptr<Processor>
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ARDOUR::LuaAPI::new_luaproc (Session *s, const string& name)
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{
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if (!s) {
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return boost::shared_ptr<Processor> ();
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}
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LuaScriptInfoPtr spi;
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ARDOUR::LuaScriptList & _scripts (LuaScripting::instance ().scripts (LuaScriptInfo::DSP));
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for (LuaScriptList::const_iterator i = _scripts.begin(); i != _scripts.end(); ++i) {
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if (name == (*i)->name) {
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spi = *i;
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break;
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}
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}
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if (!spi) {
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warning << _("Script with given name was not found\n");
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return boost::shared_ptr<Processor> ();
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}
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PluginPtr p;
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try {
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LuaPluginInfoPtr lpi (new LuaPluginInfo(spi));
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p = (lpi->load (*s));
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} catch (...) {
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warning << _("Failed to instantiate Lua Processor\n");
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return boost::shared_ptr<Processor> ();
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}
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return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
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}
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PluginInfoPtr
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ARDOUR::LuaAPI::new_plugin_info (const string& name, ARDOUR::PluginType type)
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{
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PluginManager& manager = PluginManager::instance();
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PluginInfoList all_plugs;
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all_plugs.insert(all_plugs.end(), manager.ladspa_plugin_info().begin(), manager.ladspa_plugin_info().end());
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all_plugs.insert(all_plugs.end(), manager.lua_plugin_info().begin(), manager.lua_plugin_info().end());
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#ifdef WINDOWS_VST_SUPPORT
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all_plugs.insert(all_plugs.end(), manager.windows_vst_plugin_info().begin(), manager.windows_vst_plugin_info().end());
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#endif
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#ifdef LXVST_SUPPORT
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all_plugs.insert(all_plugs.end(), manager.lxvst_plugin_info().begin(), manager.lxvst_plugin_info().end());
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#endif
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#ifdef AUDIOUNIT_SUPPORT
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all_plugs.insert(all_plugs.end(), manager.au_plugin_info().begin(), manager.au_plugin_info().end());
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#endif
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#ifdef LV2_SUPPORT
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all_plugs.insert(all_plugs.end(), manager.lv2_plugin_info().begin(), manager.lv2_plugin_info().end());
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#endif
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for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {
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if (((*i)->name == name || (*i)->unique_id == name) && (*i)->type == type) {
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return *i;
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}
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}
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return PluginInfoPtr ();
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}
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boost::shared_ptr<Processor>
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ARDOUR::LuaAPI::new_plugin (Session *s, const string& name, ARDOUR::PluginType type, const string& preset)
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{
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if (!s) {
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return boost::shared_ptr<Processor> ();
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}
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PluginInfoPtr pip = new_plugin_info (name, type);
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if (!pip) {
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return boost::shared_ptr<Processor> ();
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}
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PluginPtr p = pip->load (*s);
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if (!p) {
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return boost::shared_ptr<Processor> ();
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}
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if (!preset.empty()) {
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const Plugin::PresetRecord *pr = p->preset_by_label (preset);
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if (pr) {
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p->load_preset (*pr);
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}
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}
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return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
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}
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bool
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ARDOUR::LuaAPI::set_plugin_insert_param (boost::shared_ptr<PluginInsert> pi, uint32_t which, float val)
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{
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boost::shared_ptr<Plugin> plugin = pi->plugin();
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if (!plugin) { return false; }
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bool ok=false;
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uint32_t controlid = plugin->nth_parameter (which, ok);
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if (!ok) { return false; }
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if (!plugin->parameter_is_input (controlid)) { return false; }
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ParameterDescriptor pd;
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if (plugin->get_parameter_descriptor (controlid, pd) != 0) { return false; }
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if (val < pd.lower || val > pd.upper) { return false; }
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boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
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c->set_value (val, PBD::Controllable::NoGroup);
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return true;
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}
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bool
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ARDOUR::LuaAPI::set_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, float val)
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{
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boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
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if (!pi) { return false; }
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return set_plugin_insert_param (pi, which, val);
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}
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int
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ARDOUR::LuaAPI::plugin_automation (lua_State *L)
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{
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typedef boost::shared_ptr<Processor> T;
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int top = lua_gettop(L);
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if (top < 2) {
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return luaL_argerror (L, 1, "invalid number of arguments, :plugin_automation (plugin, parameter_number)");
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}
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T* const p = luabridge::Userdata::get<T>(L, 1, false);
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uint32_t which = luabridge::Stack<uint32_t>::get (L, 2);
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if (!p) {
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return luaL_error (L, "Invalid pointer to Ardour:Processor");
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}
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boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (*p);
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if (!pi) {
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return luaL_error (L, "Given Processor is not a Plugin Insert");
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}
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boost::shared_ptr<Plugin> plugin = pi->plugin();
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if (!plugin) {
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return luaL_error (L, "Given Processor is not a Plugin");
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}
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bool ok=false;
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uint32_t controlid = plugin->nth_parameter (which, ok);
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if (!ok) {
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return luaL_error (L, "Invalid Parameter");
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}
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if (!plugin->parameter_is_input (controlid)) {
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return luaL_error (L, "Given Parameter is not an input");
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}
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ParameterDescriptor pd;
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if (plugin->get_parameter_descriptor (controlid, pd) != 0) {
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return luaL_error (L, "Cannot describe parameter");
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}
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boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
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luabridge::Stack<boost::shared_ptr<AutomationList> >::push (L, c->alist());
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luabridge::Stack<boost::shared_ptr<Evoral::ControlList> >::push (L, c->list());
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luabridge::Stack<ParameterDescriptor>::push (L, pd);
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return 3;
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}
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int
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ARDOUR::LuaOSC::Address::send (lua_State *L)
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{
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Address * const luaosc = luabridge::Userdata::get <Address> (L, 1, false);
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if (!luaosc) {
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return luaL_error (L, "Invalid pointer to OSC.Address");
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}
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if (!luaosc->_addr) {
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return luaL_error (L, "Invalid Destination Address");
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}
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int top = lua_gettop(L);
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if (top < 3) {
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return luaL_argerror (L, 1, "invalid number of arguments, :send (path, type, ...)");
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}
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const char* path = luaL_checkstring (L, 2);
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const char* type = luaL_checkstring (L, 3);
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assert (path && type);
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if ((int) strlen(type) != top - 3) {
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return luaL_argerror (L, 3, "type description does not match arguments");
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}
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lo_message msg = lo_message_new ();
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for (int i = 4; i <= top; ++i) {
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char t = type[i - 4];
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int lt = lua_type(L, i);
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int ok = -1;
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switch(lt) {
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case LUA_TSTRING:
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if (t == LO_STRING) {
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ok = lo_message_add_string (msg, luaL_checkstring(L, i));
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} else if (t == LO_CHAR) {
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char c = luaL_checkstring (L, i) [0];
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ok = lo_message_add_char (msg, c);
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}
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break;
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case LUA_TBOOLEAN:
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if (t == LO_TRUE || t == LO_FALSE) {
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if (lua_toboolean (L, i)) {
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ok = lo_message_add_true (msg);
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} else {
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ok = lo_message_add_false (msg);
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}
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}
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break;
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case LUA_TNUMBER:
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if (t == LO_INT32) {
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ok = lo_message_add_int32 (msg, (int32_t) luaL_checkinteger(L, i));
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}
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else if (t == LO_FLOAT) {
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ok = lo_message_add_float (msg, (float) luaL_checknumber(L, i));
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}
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else if (t == LO_DOUBLE) {
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ok = lo_message_add_double (msg, (double) luaL_checknumber(L, i));
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}
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else if (t == LO_INT64) {
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ok = lo_message_add_double (msg, (int64_t) luaL_checknumber(L, i));
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}
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break;
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default:
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break;
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}
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if (ok != 0) {
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return luaL_argerror (L, i, "type description does not match parameter");
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}
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}
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int rv = lo_send_message (luaosc->_addr, path, msg);
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lo_message_free (msg);
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luabridge::Stack<bool>::push (L, (rv == 0));
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return 1;
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}
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