663 lines
17 KiB
C++
663 lines
17 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 <vamp-hostsdk/PluginLoader.h>
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#include "pbd/compose.h"
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#include "pbd/error.h"
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#include "pbd/failed_constructor.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 "ardour/readable.h"
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#include "LuaBridge/LuaBridge.h"
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#include "pbd/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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float
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ARDOUR::LuaAPI::get_plugin_insert_param (boost::shared_ptr<PluginInsert> pi, uint32_t which, bool &ok)
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{
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ok=false;
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boost::shared_ptr<Plugin> plugin = pi->plugin ();
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if (!plugin) { return 0; }
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uint32_t controlid = plugin->nth_parameter (which, ok);
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if (!ok) { return 0; }
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return plugin->get_parameter ( controlid );
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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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float
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ARDOUR::LuaAPI::get_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, bool &ok)
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{
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ok=false;
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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 get_plugin_insert_param (pi, which, ok);
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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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static double hue2rgb (const double p, const double q, double t) {
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if (t < 0.0) t += 1.0;
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if (t > 1.0) t -= 1.0;
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if (t < 1.0 / 6.0) return p + (q - p) * 6.0 * t;
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if (t < 1.0 / 2.0) return q;
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if (t < 2.0 / 3.0) return p + (q - p) * (2.0 / 3.0 - t) * 6.0;
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return p;
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}
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int
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ARDOUR::LuaAPI::hsla_to_rgba (lua_State *L)
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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, :hsla_to_rgba (h, s, l [,a])");
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}
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double h = luabridge::Stack<double>::get (L, 1);
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double s = luabridge::Stack<double>::get (L, 2);
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double l = luabridge::Stack<double>::get (L, 3);
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double a = 1.0;
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if (top > 3) {
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a = luabridge::Stack<double>::get (L, 4);
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}
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// we can't use ArdourCanvas::hsva_to_color here
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// besides we want HSL not HSV and without intermediate
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// color_to_rgba (rgba_to_color ())
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double r, g, b;
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const double cq = l < 0.5 ? l * (1 + s) : l + s - l * s;
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const double cp = 2.f * l - cq;
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r = hue2rgb (cp, cq, h + 1.0 / 3.0);
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g = hue2rgb (cp, cq, h);
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b = hue2rgb (cp, cq, h - 1.0 / 3.0);
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luabridge::Stack<double>::push (L, r);
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luabridge::Stack<double>::push (L, g);
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luabridge::Stack<double>::push (L, b);
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luabridge::Stack<double>::push (L, a);
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return 4;
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}
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int
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ARDOUR::LuaAPI::build_filename (lua_State *L)
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{
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std::vector<std::string> elem;
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int top = lua_gettop (L);
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if (top < 1) {
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return luaL_argerror (L, 1, "invalid number of arguments, build_filename (path, ...)");
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}
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for (int i = 1; i <= top; ++i) {
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int lt = lua_type (L, i);
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if (lt != LUA_TSTRING) {
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return luaL_argerror (L, i, "invalid argument type, expected string");
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}
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elem.push_back (luaL_checkstring (L, i));
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}
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luabridge::Stack<std::string>::push (L, Glib::build_filename (elem));
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return 1;
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}
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luabridge::LuaRef::Proxy&
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luabridge::LuaRef::Proxy::clone_instance (const void* classkey, void* p) {
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lua_rawgeti (m_L, LUA_REGISTRYINDEX, m_tableRef);
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lua_rawgeti (m_L, LUA_REGISTRYINDEX, m_keyRef);
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luabridge::UserdataPtr::push_raw (m_L, p, classkey);
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lua_rawset (m_L, -3);
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lua_pop (m_L, 1);
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return *this;
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}
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LuaTableRef::LuaTableRef () {}
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LuaTableRef::~LuaTableRef () {}
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int
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LuaTableRef::get (lua_State* L)
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{
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luabridge::LuaRef rv (luabridge::newTable (L));
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for (std::vector<LuaTableEntry>::const_iterator i = _data.begin (); i != _data.end (); ++i) {
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switch ((*i).keytype) {
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case LUA_TSTRING:
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assign (&rv, i->k_s, *i);
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break;
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case LUA_TNUMBER:
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assign (&rv, i->k_n, *i);
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break;
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}
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}
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luabridge::push (L, rv);
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return 1;
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}
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int
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LuaTableRef::set (lua_State* L)
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{
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if (!lua_istable (L, -1)) { return luaL_error (L, "argument is not a table"); }
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_data.clear ();
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lua_pushvalue (L, -1);
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lua_pushnil (L);
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while (lua_next (L, -2)) {
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lua_pushvalue (L, -2);
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LuaTableEntry s (lua_type (L, -1), lua_type (L, -2));
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switch (lua_type (L, -1)) {
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case LUA_TSTRING:
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s.k_s = luabridge::Stack<std::string>::get (L, -1);
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break;
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;
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case LUA_TNUMBER:
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s.k_n = luabridge::Stack<unsigned int>::get (L, -1);
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break;
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default:
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// invalid key
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lua_pop (L, 2);
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continue;
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}
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switch (lua_type (L, -2)) {
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case LUA_TSTRING:
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s.s = luabridge::Stack<std::string>::get (L, -2);
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break;
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case LUA_TBOOLEAN:
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s.b = lua_toboolean (L, -2);
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break;
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case LUA_TNUMBER:
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s.n = lua_tonumber (L, -2);
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break;
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case LUA_TUSERDATA:
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{
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bool ok = false;
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lua_getmetatable (L, -2);
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lua_rawgetp (L, -1, luabridge::getIdentityKey ());
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if (lua_isboolean (L, -1)) {
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lua_pop (L, 1);
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const void* key = lua_topointer (L, -1);
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lua_pop (L, 1);
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void const* classkey = findclasskey (L, key);
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if (classkey) {
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ok = true;
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s.c = classkey;
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s.p = luabridge::Userdata::get_ptr (L, -2);
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}
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} else {
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lua_pop (L, 2);
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}
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if (ok) {
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break;
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}
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// invalid userdata -- fall through
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}
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// no break
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case LUA_TFUNCTION: // no support -- we could... string.format("%q", string.dump(value, true))
|
|
case LUA_TTABLE: // no nested tables, sorry.
|
|
case LUA_TNIL: // fallthrough
|
|
default:
|
|
// invalid value
|
|
lua_pop (L, 2);
|
|
continue;
|
|
}
|
|
|
|
_data.push_back (s);
|
|
lua_pop (L, 2);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void*
|
|
LuaTableRef::findclasskey (lua_State *L, const void* key)
|
|
{
|
|
lua_pushvalue (L, LUA_REGISTRYINDEX);
|
|
lua_pushnil (L);
|
|
while (lua_next (L, -2)) {
|
|
lua_pushvalue (L, -2);
|
|
if (lua_topointer (L, -2) == key) {
|
|
void* rv = lua_touserdata (L, -1);
|
|
lua_pop (L, 4);
|
|
return rv;
|
|
}
|
|
lua_pop (L, 2);
|
|
}
|
|
lua_pop (L, 1);
|
|
return NULL;
|
|
}
|
|
|
|
template<typename T>
|
|
void LuaTableRef::assign (luabridge::LuaRef* rv, T key, const LuaTableEntry& s)
|
|
{
|
|
switch (s.valuetype) {
|
|
case LUA_TSTRING:
|
|
(*rv)[key] = s.s;
|
|
break;
|
|
case LUA_TBOOLEAN:
|
|
(*rv)[key] = s.b;
|
|
break;
|
|
case LUA_TNUMBER:
|
|
(*rv)[key] = s.n;
|
|
break;
|
|
case LUA_TUSERDATA:
|
|
(*rv)[key].clone_instance (s.c, s.p);
|
|
break;
|
|
default:
|
|
assert (0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
std::vector<std::string>
|
|
LuaAPI::Vamp::list_plugins ()
|
|
{
|
|
using namespace ::Vamp::HostExt;
|
|
PluginLoader* loader (PluginLoader::getInstance());
|
|
return loader->listPlugins ();
|
|
}
|
|
|
|
LuaAPI::Vamp::Vamp (const std::string& key, float sample_rate)
|
|
: _plugin (0)
|
|
, _sample_rate (sample_rate)
|
|
, _bufsize (1024)
|
|
, _stepsize (1024)
|
|
, _initialized (false)
|
|
{
|
|
using namespace ::Vamp::HostExt;
|
|
|
|
PluginLoader* loader (PluginLoader::getInstance());
|
|
_plugin = loader->loadPlugin (key, _sample_rate, PluginLoader::ADAPT_ALL_SAFE);
|
|
|
|
if (!_plugin) {
|
|
PBD::error << string_compose (_("VAMP Plugin \"%1\" could not be loaded"), key) << endmsg;
|
|
throw failed_constructor ();
|
|
}
|
|
|
|
size_t bs = _plugin->getPreferredBlockSize ();
|
|
size_t ss = _plugin->getPreferredStepSize ();
|
|
|
|
if (bs > 0 && ss > 0 && bs <= 8192 && ss <= 8192) {
|
|
_bufsize = bs;
|
|
_stepsize = bs;
|
|
}
|
|
}
|
|
|
|
LuaAPI::Vamp::~Vamp ()
|
|
{
|
|
delete _plugin;
|
|
}
|
|
|
|
void
|
|
LuaAPI::Vamp::reset ()
|
|
{
|
|
_initialized = false;
|
|
if (_plugin) {
|
|
_plugin->reset ();
|
|
}
|
|
}
|
|
|
|
bool
|
|
LuaAPI::Vamp::initialize ()
|
|
{
|
|
if (!_plugin || _plugin->getMinChannelCount() > 1) {
|
|
return false;
|
|
}
|
|
if (!_plugin->initialise (1, _stepsize, _bufsize)) {
|
|
return false;
|
|
}
|
|
_initialized = true;
|
|
return true;
|
|
}
|
|
|
|
int
|
|
LuaAPI::Vamp::analyze (boost::shared_ptr<ARDOUR::Readable> r, uint32_t channel, luabridge::LuaRef cb)
|
|
{
|
|
if (!_initialized) {
|
|
if (!initialize ()) {
|
|
return -1;
|
|
}
|
|
}
|
|
assert (_initialized);
|
|
|
|
::Vamp::Plugin::FeatureSet features;
|
|
float* data = new float[_bufsize];
|
|
float* bufs[1] = { data };
|
|
|
|
framecnt_t len = r->readable_length();
|
|
framepos_t pos = 0;
|
|
|
|
int rv = 0;
|
|
while (1) {
|
|
framecnt_t to_read = std::min ((len - pos), _bufsize);
|
|
if (r->read (data, pos, to_read, channel) != to_read) {
|
|
rv = -1;
|
|
break;
|
|
}
|
|
if (to_read != _bufsize) {
|
|
memset (data + to_read, 0, (_bufsize - to_read) * sizeof (float));
|
|
}
|
|
|
|
features = _plugin->process (bufs, ::Vamp::RealTime::fromSeconds ((double) pos / _sample_rate));
|
|
|
|
if (cb.type () == LUA_TFUNCTION) {
|
|
cb (&features, pos);
|
|
}
|
|
|
|
pos += std::min (_stepsize, to_read);
|
|
|
|
if (pos >= len) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
delete [] data;
|
|
return rv;
|
|
}
|
|
|
|
::Vamp::Plugin::FeatureSet
|
|
LuaAPI::Vamp::process (const std::vector<float*>& d, ::Vamp::RealTime rt)
|
|
{
|
|
if (!_plugin || d.size() == 0) {
|
|
return ::Vamp::Plugin::FeatureSet ();
|
|
}
|
|
const float* const* bufs = &d[0];
|
|
return _plugin->process (bufs, rt);
|
|
}
|
|
|
|
boost::shared_ptr<Evoral::Note<Evoral::Beats> >
|
|
LuaAPI::new_noteptr (uint8_t chan, Evoral::Beats beat_time, Evoral::Beats length, uint8_t note, uint8_t velocity)
|
|
{
|
|
return boost::shared_ptr<Evoral::Note<Evoral::Beats> > (new Evoral::Note<Evoral::Beats>(chan, beat_time, length, note, velocity));
|
|
}
|