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/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <cstring>
#include "pbd/error.h"
#include "pbd/compose.h"
#include "ardour/lua_api.h"
#include "ardour/luaproc.h"
#include "ardour/luascripting.h"
#include "ardour/plugin.h"
#include "ardour/plugin_insert.h"
#include "ardour/plugin_manager.h"
#include "LuaBridge/LuaBridge.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace std;
boost::shared_ptr<Processor>
ARDOUR::LuaAPI::new_luaproc (Session *s, const string& name)
{
if (!s) {
return boost::shared_ptr<Processor> ();
}
LuaScriptInfoPtr spi;
ARDOUR::LuaScriptList & _scripts (LuaScripting::instance ().scripts (LuaScriptInfo::DSP));
for (LuaScriptList::const_iterator s = _scripts.begin(); s != _scripts.end(); ++s) {
if (name == (*s)->name) {
spi = *s;
break;
}
}
if (!spi) {
warning << _("Script with given name was not found\n");
return boost::shared_ptr<Processor> ();
}
PluginPtr p;
try {
LuaPluginInfoPtr lpi (new LuaPluginInfo(spi));
p = (lpi->load (*s));
} catch (...) {
warning << _("Failed to instantiate Lua Processor\n");
return boost::shared_ptr<Processor> ();
}
return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
}
PluginInfoPtr
ARDOUR::LuaAPI::new_plugin_info (const string& name, ARDOUR::PluginType type)
{
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
for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {
if (((*i)->name == name || (*i)->unique_id == name) && (*i)->type == type) {
return *i;
}
}
return PluginInfoPtr ();
}
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> ();
}
PluginInfoPtr pip = new_plugin_info (name, type);
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::LuaOSC::Address::send (lua_State *L)
{
Address * const luaosc = luabridge::Userdata::get <Address> (L, 1, false);
if (!luaosc) {
return luaL_error (L, "Invalid pointer to OSC.Address");
}
if (!luaosc->_addr) {
return luaL_error (L, "Invalid Destination Address");
}
int top = lua_gettop(L);
if (top < 3) {
return luaL_argerror (L, 1, "invalid number of arguments, :send (path, type, ...)");
}
const char* path = luaL_checkstring (L, 2);
const char* type = luaL_checkstring (L, 3);
assert (path && type);
if ((int) strlen(type) != top - 3) {
return luaL_argerror (L, 3, "type description does not match arguments");
}
lo_message msg = lo_message_new ();
for (int i = 4; i <= top; ++i) {
char t = type[i - 4];
int lt = lua_type(L, i);
int ok = -1;
switch(lt) {
case LUA_TSTRING:
if (t == LO_STRING) {
ok = lo_message_add_string (msg, luaL_checkstring(L, i));
} else if (t == LO_CHAR) {
char c = luaL_checkstring (L, i) [0];
ok = lo_message_add_char (msg, c);
}
break;
case LUA_TBOOLEAN:
if (t == LO_TRUE || t == LO_FALSE) {
if (lua_toboolean (L, i)) {
ok = lo_message_add_true (msg);
} else {
ok = lo_message_add_false (msg);
}
}
break;
case LUA_TNUMBER:
if (t == LO_INT32) {
ok = lo_message_add_int32 (msg, (int32_t) luaL_checkinteger(L, i));
}
else if (t == LO_FLOAT) {
ok = lo_message_add_float (msg, (float) luaL_checknumber(L, i));
}
else if (t == LO_DOUBLE) {
ok = lo_message_add_double (msg, (double) luaL_checknumber(L, i));
}
else if (t == LO_INT64) {
ok = lo_message_add_double (msg, (int64_t) luaL_checknumber(L, i));
}
break;
default:
break;
}
if (ok != 0) {
return luaL_argerror (L, i, "type description does not match parameter");
}
}
int rv = lo_send_message (luaosc->_addr, path, msg);
lo_message_free (msg);
luabridge::Stack<bool>::push (L, (rv == 0));
return 1;
}
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