A stab at fmodex support on windows. To use, install 'FMOD Ex Programmers API' to its defualt program files directory, and run develop.py with -DFMODEX:BOOL=ON set. That /should/ be all it takes.

indra/llaudio/llaudioengine_fmodex.h

@@ -0,0 +1,132 @@
+/** 
+ * @file audioengine_FMODEX.h
+ * @brief Definition of LLAudioEngine class abstracting the audio
+ * support as a FMOD 3D implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_AUDIOENGINE_FMODEX_H
+#define LL_AUDIOENGINE_FMODEX_H
+
+#include "llaudioengine.h"
+#include "lllistener_fmod.h"
+#include "llwindgen.h"
+
+//Stubs
+class LLAudioStreamManagerFMODEX;
+namespace FMOD
+{
+	class System;
+	class Channel;
+	class Sound;
+	class DSP;
+}
+
+//Interfaces
+class LLAudioEngine_FMODEX : public LLAudioEngine 
+{
+public:
+	LLAudioEngine_FMODEX();
+	virtual ~LLAudioEngine_FMODEX();
+
+	// initialization/startup/shutdown
+	virtual bool init(const S32 num_channels, void *user_data);
+       	virtual std::string getDriverName(bool verbose);
+	virtual void allocateListener();
+
+	virtual void shutdown();
+
+	/*virtual*/ bool initWind();
+	/*virtual*/ void cleanupWind();
+
+	/*virtual*/void updateWind(LLVector3 direction, F32 camera_height_above_water);
+
+	typedef F32 MIXBUFFERFORMAT;
+
+protected:
+	/*virtual*/ LLAudioBuffer *createBuffer(); // Get a free buffer, or flush an existing one if you have to.
+	/*virtual*/ LLAudioChannel *createChannel(); // Create a new audio channel.
+
+	/*virtual*/ void setInternalGain(F32 gain);
+
+	bool mInited;
+
+	// On Windows, userdata is the HWND of the application window.
+	void* mUserData;
+
+	LLWindGen<MIXBUFFERFORMAT> *mWindGen;
+
+	FMOD::DSP *mWindDSP;
+	FMOD::System *mSystem;
+};
+
+
+class LLAudioChannelFMODEX : public LLAudioChannel
+{
+public:
+	LLAudioChannelFMODEX(FMOD::System *system);
+	virtual ~LLAudioChannelFMODEX();
+
+protected:
+	/*virtual*/ void play();
+	/*virtual*/ void playSynced(LLAudioChannel *channelp);
+	/*virtual*/ void cleanup();
+	/*virtual*/ bool isPlaying();
+
+	/*virtual*/ bool updateBuffer();
+	/*virtual*/ void update3DPosition();
+	/*virtual*/ void updateLoop();
+
+	void set3DMode(bool use3d);
+protected:
+	FMOD::System *mSystem;
+	FMOD::Channel *mChannelp;
+	S32 mLastSamplePos;
+};
+
+
+class LLAudioBufferFMODEX : public LLAudioBuffer
+{
+public:
+	LLAudioBufferFMODEX(FMOD::System *system);
+	virtual ~LLAudioBufferFMODEX();
+
+	/*virtual*/ bool loadWAV(const std::string& filename);
+	/*virtual*/ U32 getLength();
+	friend class LLAudioChannelFMODEX;
+
+	void set3DMode(bool use3d);
+protected:
+	FMOD::Sound *getSound()	{ return mSoundp; }
+	FMOD::System *mSystem;
+	FMOD::Sound *mSoundp;
+};
+
+
+#endif // LL_AUDIOENGINE_FMODEX_H