--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dstep/coreaudio/AudioDriverPlugIn.d	Sun Jan 03 22:06:11 2010 +0100
@@ -0,0 +1,40 @@
+/**
+ * Copyright: Copyright (c) 2009 Jacob Carlborg.
+ * Authors: Jacob Carlborg
+ * Version: Initial created: Sep 30, 2009 
+ * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
+ */
+module dstep.coreaudio.AudioDriverPlugIn;
+
+import dstep.coreaudio.AudioHardware;
+import dstep.coreaudio.CoreAudioTypes;
+import dstep.coreservices.ae.AEMach;
+
+private alias mach_port_t io_object_t;
+
+extern (C)
+{
+	alias int function (AudioDeviceID inDevice, uint inChannel, bool isInput, AudioDevicePropertyID inPropertyID) AudioDriverPlugInDevicePropertyChangedProc;
+	alias int function (AudioDeviceID inDevice, io_object_t inIOAudioStream, uint inChannel, AudioDevicePropertyID inPropertyID) AudioDriverPlugInStreamPropertyChangedProc;
+}
+
+struct AudioDriverPlugInHostInfo
+{
+	uint mDeviceID;
+	uint mIOAudioDevice;
+	uint mIOAudioEngine;
+	AudioDriverPlugInDevicePropertyChangedProc mDevicePropertyChangedProc;
+	AudioDriverPlugInStreamPropertyChangedProc mStreamPropertyChangedProc;
+}
+
+extern (C)
+{
+	int AudioDriverPlugInOpen (AudioDriverPlugInHostInfo* inHostInfo);
+	int AudioDriverPlugInClose (uint inDevice);
+	int AudioDriverPlugInDeviceGetPropertyInfo (uint inDevice, uint inChannel, ubyte isInput, uint inPropertyID, uint* outSize, char* outWritable);
+	int AudioDriverPlugInDeviceGetProperty (uint inDevice, uint inChannel, ubyte isInput, uint inPropertyID, uint* ioPropertyDataSize, void* outPropertyData);
+	int AudioDriverPlugInDeviceSetProperty (uint inDevice, AudioTimeStamp* inWhen, uint inChannel, ubyte isInput, uint inPropertyID, uint inPropertyDataSize, void* inPropertyData);
+	int AudioDriverPlugInStreamGetPropertyInfo (uint inDevice, uint inIOAudioStream, uint inChannel, uint inPropertyID, uint* outSize, char* outWritable);
+	int AudioDriverPlugInStreamGetProperty (uint inDevice, uint inIOAudioStream, uint inChannel, uint inPropertyID, uint* ioPropertyDataSize, void* outPropertyData);
+	int AudioDriverPlugInStreamSetProperty (uint inDevice, uint inIOAudioStream, AudioTimeStamp* inWhen, uint inChannel, uint inPropertyID, uint inPropertyDataSize, void* inPropertyData);
+}
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