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livetrax/libs/ardour/lxvst_plugin.cc

97 lines
2.3 KiB
C++

/*
Copyright (C) 2004 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ardour/linux_vst_support.h"
#include "ardour/session.h"
#include "ardour/lxvst_plugin.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
LXVSTPlugin::LXVSTPlugin (AudioEngine& e, Session& session, VSTHandle* h)
: VSTPlugin (e, session, h)
{
/* Instantiate the plugin and return a VSTState* */
if ((_state = vstfx_instantiate (_handle, Session::vst_callback, this)) == 0) {
throw failed_constructor();
}
set_plugin (_state->plugin);
}
LXVSTPlugin::LXVSTPlugin (const LXVSTPlugin &other)
: VSTPlugin (other)
{
_handle = other._handle;
if ((_state = vstfx_instantiate (_handle, Session::vst_callback, this)) == 0) {
throw failed_constructor();
}
_plugin = _state->plugin;
// Plugin::setup_controls ();
}
LXVSTPlugin::~LXVSTPlugin ()
{
vstfx_close (_state);
}
PluginPtr
LXVSTPluginInfo::load (Session& session)
{
try {
PluginPtr plugin;
if (Config->get_use_lxvst()) {
VSTHandle* handle;
handle = vstfx_load(path.c_str());
if (handle == NULL) {
error << string_compose(_("LXVST: cannot load module from \"%1\""), path) << endmsg;
}
else {
plugin.reset (new LXVSTPlugin (session.engine(), session, handle));
}
}
else {
error << _("You asked ardour to not use any LXVST plugins") << endmsg;
return PluginPtr ((Plugin*) 0);
}
plugin->set_info(PluginInfoPtr(new LXVSTPluginInfo(*this)));
return plugin;
}
catch (failed_constructor &err) {
return PluginPtr ((Plugin*) 0);
}
}
LXVSTPluginInfo::LXVSTPluginInfo()
{
type = ARDOUR::LXVST;
}