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/*
* SND_DeviceManager.h
*
* singleton for creating, switching and deleting audiodevices
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "SND_DeviceManager.h"
#include "SND_DependKludge.h"
#include "SND_DummyDevice.h"
#ifdef USE_FMOD
#include "SND_FmodDevice.h"
#endif
#ifdef USE_OPENAL
#include "SND_OpenALDevice.h"
#endif
SND_IAudioDevice* SND_DeviceManager::m_instance = NULL;
int SND_DeviceManager::m_subscriptions = 0;
#ifdef USE_OPENAL
int SND_DeviceManager::m_device_type = snd_e_openaldevice;
#else
# ifdef USE_FMOD
int SND_DeviceManager::m_device_type = snd_e_fmoddevice;
# else
int SND_DeviceManager::m_device_type = snd_e_dummydevice;
# endif
#endif
void SND_DeviceManager::Subscribe()
{
++m_subscriptions;
}
void SND_DeviceManager::Unsubscribe()
{
--m_subscriptions;
// only release memory if there is a m_instance but no subscriptions left
if (m_subscriptions == 0 && m_instance)
{
delete m_instance;
m_instance = NULL;
}
}
SND_IAudioDevice* SND_DeviceManager::Instance()
{
// only give away an instance if there are subscriptions
if (m_subscriptions)
{
// if there's no instance yet, set and create a new one
if (m_instance == NULL)
{
SetDeviceType(m_device_type);
}
return m_instance;
}
else
{
return NULL;
}
}
void SND_DeviceManager::SetDeviceType(int device_type)
{
// if we want to change devicetype, first delete the old one
if (m_instance)
{
delete m_instance;
m_instance = NULL;
}
// let's create the chosen device
switch (device_type)
{
#ifdef USE_FMOD
case snd_e_fmoddevice:
{
m_instance = new SND_FmodDevice();
m_device_type = device_type;
break;
}
#endif
#ifdef USE_OPENAL
case snd_e_openaldevice:
{
m_instance = new SND_OpenALDevice();
m_device_type = device_type;
break;
}
#endif
default:
{
m_instance = new SND_DummyDevice();
m_device_type = device_type;
break;
}
}
}
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