Add CoreAudio Backend, still needs a bit of work. Will cleanup AudioCommon.cpp, and finish off CoreAudioStream.cpp if I ever get running games working in Snow Leopard. Interpreter seems to run in to a spinlock, dunno why yet, and Jit just crashes out. Core problems is probably something I won't be able to fix

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4316 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/AudioCommon/Src/CoreAudioSoundStream.cpp

@@ -0,0 +1,88 @@
+// Copyright (C) 2003 Dolphin Project.
+
+// 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, version 2.0.
+
+// 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 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "CoreAudioSoundStream.h"
+
+
+AudioDeviceID outputDeviceId;
+AudioStreamBasicDescription  outputStreamBasicDescription;
+AudioDeviceIOProcID	outputProcId;
+UInt32 outputBufferByteCount;
+
+static OSStatus outputIoProc(AudioDeviceID inDevice, const AudioTimeStamp *inNow,const AudioBufferList *inInputData, const AudioTimeStamp *inInputTime, AudioBufferList *outOutputData, const AudioTimeStamp *inOutputTime, void *inClientData)
+{
+	
+}
+
+void CoreAudioSound::SoundLoop()
+{
+	CoreAudioInit();
+	
+}
+CoreAudioSound::CoreAudioSound(CMixer *mixer) : SoundStream(mixer)
+{
+}
+
+CoreAudioSound::~CoreAudioSound()
+{
+}
+bool CoreAudioSound::CoreAudioInit()
+{
+	
+	OSStatus status;
+	UInt32 size;
+	size = sizeof(outputDeviceId);
+	status = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &size, &outputDeviceId);
+	if (outputDeviceId == kAudioDeviceUnknown) {
+		printf("CoreAudioDevice Unknown\n");
+		return false;
+	}
+	
+	size = sizeof(outputStreamBasicDescription);
+	status = AudioDeviceGetProperty(outputDeviceId, 0, false, kAudioDevicePropertyStreamFormat, &size, &outputStreamBasicDescription);
+	
+	size = sizeof(outputBufferByteCount);
+	
+	outputBufferByteCount = 8192;
+	status = AudioDeviceSetProperty(outputDeviceId, 0, 0, false, kAudioDevicePropertyBufferSize, size, &outputBufferByteCount);
+	
+	status = AudioDeviceGetProperty(outputDeviceId, 0, false, kAudioDevicePropertyBufferSize, &size, &outputBufferByteCount);
+	
+	
+	status = AudioDeviceCreateIOProcID( outputDeviceId,  outputIoProc, NULL, &outputProcId );
+	
+	return true;
+	
+}
+
+bool CoreAudioSound::Start()
+{
+	AudioDeviceStart(outputDeviceId,outputProcId);
+	return true;
+}
+
+
+void CoreAudioSound::Stop()
+{
+	return;
+	
+}
+void CoreAudioSound::Update()
+{
+	return;
+	
+}