ladish/grauph/src/libs/engine/LADSPAPlugin.h

70 lines
1.8 KiB
C++

/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
*
* Om 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.
*
* Om 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 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef LADSPAPLUGIN_H
#define LADSPAPLUGIN_H
#include <string>
#include <ladspa.h>
#include "util/types.h"
#include "NodeBase.h"
#include "Plugin.h"
namespace Om {
class PortInfo;
/** An instance of a LADSPA plugin.
*
* \ingroup engine
*/
class LADSPAPlugin : public NodeBase
{
public:
LADSPAPlugin(const string& name, size_t poly, Patch* parent, const LADSPA_Descriptor* descriptor, samplerate srate, size_t buffer_size);
virtual ~LADSPAPlugin();
virtual bool instantiate();
void activate();
void deactivate();
void run(size_t nframes);
void set_port_buffer(size_t voice, size_t port_num, void* buf);
const Plugin* plugin() const { return m_plugin; }
void plugin(const Plugin* const pi) { m_plugin = pi; }
protected:
// Prevent copies (undefined)
LADSPAPlugin(const LADSPAPlugin& copy);
LADSPAPlugin& operator=(const LADSPAPlugin&);
void get_port_vals(ulong port_index, PortInfo* info);
const LADSPA_Descriptor* m_descriptor;
LADSPA_Handle* m_instances;
const Plugin* m_plugin;
};
} // namespace Om
#endif // LADSPAPLUGIN_H