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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
* $URL$
* $Id$
*/
#ifndef BACKENDS_MIDI_MIDIPLUGIN_H
#define BACKENDS_MIDI_MIDIPLUGIN_H
#include "base/plugins.h"
#include "sound/mididrv.h"
/**
* A MidiPlugin is essentially a factory for MidiDriver instances with the
* added ability of listing the available devices and their capabilities.
*/
class MidiPlugin : public PluginObject {
public:
virtual ~MidiPlugin() {}
/**
* Returns a list of the available devices. The empty string means the
* default device.
*/
virtual Common::StringList getDevices() const {
Common::StringList dev;
dev.push_back("");
return dev;
}
/**
* Tries to instantiate an engine instance based on the settings of
* the currently active ConfMan target. That is, the MidiPlugin should
* query the ConfMan singleton for the device name, port, etc.
*
* @param mixer Pointer to the global Mixer object
* @param mididriver Pointer to a pointer which the MidiPlugin sets to
* the newly create MidiDriver, or 0 in case of an error
* @return a PluginError describing the error which occurred, or kNoError
*/
virtual PluginError createInstance(Audio::Mixer *mixer, MidiDriver **mididriver) const = 0;
};
#endif
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