1 files changed, 137 insertions, 0 deletions
diff --git a/intern/SoundSystem/intern/SND_DeviceManager.cpp b/intern/SoundSystem/intern/SND_DeviceManager.cpp
new file mode 100644
index 00000000000..a3e72f8e9f6
--- /dev/null
+++ b/intern/SoundSystem/intern/SND_DeviceManager.cpp
@@ -0,0 +1,137 @@
+/*
+ * 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;
+		}
+	}
+}