forked from bartvdbraak/blender
142 lines
2.9 KiB
C++
142 lines
2.9 KiB
C++
/*
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* SND_DeviceManager.h
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*
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* singleton for creating, switching and deleting audiodevices
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*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "SND_DeviceManager.h"
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#include "SND_DependKludge.h"
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#include "SND_DummyDevice.h"
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#ifdef USE_FMOD
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#include "SND_FmodDevice.h"
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#endif
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#ifdef USE_OPENAL
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#include "SND_OpenALDevice.h"
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#endif
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SND_IAudioDevice* SND_DeviceManager::m_instance = NULL;
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int SND_DeviceManager::m_subscriptions = 0;
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#ifdef USE_OPENAL
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int SND_DeviceManager::m_device_type = snd_e_openaldevice;
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#else
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# ifdef USE_FMOD
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int SND_DeviceManager::m_device_type = snd_e_fmoddevice;
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# else
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int SND_DeviceManager::m_device_type = snd_e_dummydevice;
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# endif
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#endif
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void SND_DeviceManager::Subscribe()
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{
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++m_subscriptions;
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}
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void SND_DeviceManager::Unsubscribe()
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{
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--m_subscriptions;
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// only release memory if there is a m_instance but no subscriptions left
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if (m_subscriptions == 0 && m_instance)
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{
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delete m_instance;
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m_instance = NULL;
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}
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if (m_subscriptions < 0)
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m_subscriptions = 0;
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}
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SND_IAudioDevice* SND_DeviceManager::Instance()
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{
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// only give away an instance if there are subscriptions
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if (m_subscriptions)
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{
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// if there's no instance yet, set and create a new one
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if (m_instance == NULL)
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{
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SetDeviceType(m_device_type);
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}
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return m_instance;
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}
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else
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{
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return NULL;
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}
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}
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void SND_DeviceManager::SetDeviceType(int device_type)
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{
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// if we want to change devicetype, first delete the old one
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if (m_instance)
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{
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delete m_instance;
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m_instance = NULL;
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}
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// let's create the chosen device
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switch (device_type)
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{
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#ifdef USE_FMOD
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case snd_e_fmoddevice:
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{
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m_instance = new SND_FmodDevice();
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m_device_type = device_type;
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break;
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}
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#endif
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#ifdef USE_OPENAL
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case snd_e_openaldevice:
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{
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m_instance = new SND_OpenALDevice();
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m_device_type = device_type;
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break;
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}
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#endif
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default:
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{
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m_instance = new SND_DummyDevice();
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m_device_type = device_type;
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break;
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}
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}
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}
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