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diff --git a/linden/indra/llaudio/llstreamingaudio_fmod.cpp b/linden/indra/llaudio/llstreamingaudio_fmod.cpp
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--- /dev/null
+++ b/linden/indra/llaudio/llstreamingaudio_fmod.cpp
@@ -0,0 +1,362 @@
+/** 
+ * @file streamingaudio_fmod.cpp
+ * @brief LLStreamingAudio_FMOD implementation
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * 
+ * Copyright (c) 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.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llmath.h"
+
+#include "fmod.h"
+#include "fmod_errors.h"
+
+#include "llstreamingaudio_fmod.h"
+
+
+class LLAudioStreamManagerFMOD
+{
+public:
+        LLAudioStreamManagerFMOD(const std::string& url);
+        int     startStream();
+        bool stopStream(); // Returns true if the stream was successfully stopped.
+        bool ready();
+
+        const std::string& getURL()     { return mInternetStreamURL; }
+
+        int getOpenState();
+protected:
+        FSOUND_STREAM* mInternetStream;
+        bool mReady;
+
+        std::string mInternetStreamURL;
+};
+
+
+
+//---------------------------------------------------------------------------
+// Internet Streaming
+//---------------------------------------------------------------------------
+LLStreamingAudio_FMOD::LLStreamingAudio_FMOD() :
+        mCurrentInternetStreamp(NULL),
+        mFMODInternetStreamChannel(-1),
+        mGain(1.0f)
+{
+        // Number of milliseconds of audio to buffer for the audio card.
+        // Must be larger than the usual Second Life frame stutter time.
+        FSOUND_Stream_SetBufferSize(200);
+
+        // Here's where we set the size of the network buffer and some buffering 
+        // parameters.  In this case we want a network buffer of 16k, we want it 
+        // to prebuffer 40% of that when we first connect, and we want it 
+        // to rebuffer 80% of that whenever we encounter a buffer underrun.
+
+        // Leave the net buffer properties at the default.
+        //FSOUND_Stream_Net_SetBufferProperties(20000, 40, 80);
+}
+
+
+LLStreamingAudio_FMOD::~LLStreamingAudio_FMOD()
+{
+        // nothing interesting/safe to do.
+}
+
+
+void LLStreamingAudio_FMOD::start(const std::string& url)
+{
+        //if (!mInited)
+        //{
+        //      llwarns << "startInternetStream before audio initialized" << llendl;
+        //      return;
+        //}
+
+        // "stop" stream but don't clear url, etc. in case url == mInternetStreamURL
+        stop();
+
+        if (!url.empty())
+        {
+                llinfos << "Starting internet stream: " << url << llendl;
+                mCurrentInternetStreamp = new LLAudioStreamManagerFMOD(url);
+                mURL = url;
+        }
+        else
+        {
+                llinfos << "Set internet stream to null" << llendl;
+                mURL.clear();
+        }
+}
+
+
+void LLStreamingAudio_FMOD::update()
+{
+        // Kill dead internet streams, if possible
+        std::list<LLAudioStreamManagerFMOD *>::iterator iter;
+        for (iter = mDeadStreams.begin(); iter != mDeadStreams.end();)
+        {
+                LLAudioStreamManagerFMOD *streamp = *iter;
+                if (streamp->stopStream())
+                {
+                        llinfos << "Closed dead stream" << llendl;
+                        delete streamp;
+                        mDeadStreams.erase(iter++);
+                }
+                else
+                {
+                        iter++;
+                }
+        }
+
+        // Don't do anything if there are no streams playing
+        if (!mCurrentInternetStreamp)
+        {
+                return;
+        }
+
+        int open_state = mCurrentInternetStreamp->getOpenState();
+
+        if (!open_state)
+        {
+                // Stream is live
+
+                // start the stream if it's ready
+                if (mFMODInternetStreamChannel < 0)
+                {
+                        mFMODInternetStreamChannel = mCurrentInternetStreamp->startStream();
+
+                        if (mFMODInternetStreamChannel != -1)
+                        {
+                                // Reset volume to previously set volume
+                                setGain(getGain());
+                                FSOUND_SetPaused(mFMODInternetStreamChannel, false);
+                        }
+                }
+        }
+                
+        switch(open_state)
+        {
+        default:
+        case 0:
+                // success
+                break;
+        case -1:
+                // stream handle is invalid
+                llwarns << "InternetStream - invalid handle" << llendl;
+                stop();
+                return;
+        case -2:
+                // opening
+                break;
+        case -3:
+                // failed to open, file not found, perhaps
+                llwarns << "InternetSteam - failed to open" << llendl;
+                stop();
+                return;
+        case -4:
+                // connecting
+                break;
+        case -5:
+                // buffering
+                break;
+        }
+
+}
+
+void LLStreamingAudio_FMOD::stop()
+{
+        if (mFMODInternetStreamChannel != -1)
+        {
+                FSOUND_SetPaused(mFMODInternetStreamChannel, true);
+                FSOUND_SetPriority(mFMODInternetStreamChannel, 0);
+                mFMODInternetStreamChannel = -1;
+        }
+
+        if (mCurrentInternetStreamp)
+        {
+                llinfos << "Stopping internet stream: " << mCurrentInternetStreamp->getURL() << llendl;
+                if (mCurrentInternetStreamp->stopStream())
+                {
+                        delete mCurrentInternetStreamp;
+                }
+                else
+                {
+                        llwarns << "Pushing stream to dead list: " << mCurrentInternetStreamp->getURL() << llendl;
+                        mDeadStreams.push_back(mCurrentInternetStreamp);
+                }
+                mCurrentInternetStreamp = NULL;
+                //mURL.clear();
+        }
+}
+
+void LLStreamingAudio_FMOD::pause(int pauseopt)
+{
+        if (pauseopt < 0)
+        {
+                pauseopt = mCurrentInternetStreamp ? 1 : 0;
+        }
+
+        if (pauseopt)
+        {
+                if (mCurrentInternetStreamp)
+                {
+                        stop();
+                }
+        }
+        else
+        {
+                start(getURL());
+        }
+}
+
+
+// A stream is "playing" if it has been requested to start.  That
+// doesn't necessarily mean audio is coming out of the speakers.
+int LLStreamingAudio_FMOD::isPlaying()
+{
+        if (mCurrentInternetStreamp)
+        {
+                return 1; // Active and playing
+        }
+        else if (!mURL.empty())
+        {
+                return 2; // "Paused"
+        }
+        else
+        {
+                return 0;
+        }
+}
+
+
+F32 LLStreamingAudio_FMOD::getGain()
+{
+        return mGain;
+}
+
+
+std::string LLStreamingAudio_FMOD::getURL()
+{
+        return mURL;
+}
+
+
+void LLStreamingAudio_FMOD::setGain(F32 vol)
+{
+        mGain = vol;
+
+        if (mFMODInternetStreamChannel != -1)
+        {
+                vol = llclamp(vol, 0.f, 1.f);
+                int vol_int = llround(vol * 255.f);
+                FSOUND_SetVolumeAbsolute(mFMODInternetStreamChannel, vol_int);
+        }
+}
+
+
+///////////////////////////////////////////////////////
+// manager of possibly-multiple internet audio streams
+
+LLAudioStreamManagerFMOD::LLAudioStreamManagerFMOD(const std::string& url) :
+        mInternetStream(NULL),
+        mReady(false)
+{
+        mInternetStreamURL = url;
+        mInternetStream = FSOUND_Stream_Open(url.c_str(), FSOUND_NORMAL | FSOUND_NONBLOCKING, 0, 0);
+        if (!mInternetStream)
+        {
+                llwarns << "Couldn't open fmod stream, error "
+                        << FMOD_ErrorString(FSOUND_GetError())
+                        << llendl;
+                mReady = false;
+                return;
+        }
+
+        mReady = true;
+}
+
+int LLAudioStreamManagerFMOD::startStream()
+{
+        // We need a live and opened stream before we try and play it.
+        if (!mInternetStream || getOpenState())
+        {
+                llwarns << "No internet stream to start playing!" << llendl;
+                return -1;
+        }
+
+        // Make sure the stream is set to 2D mode.
+        FSOUND_Stream_SetMode(mInternetStream, FSOUND_2D);
+
+        return FSOUND_Stream_PlayEx(FSOUND_FREE, mInternetStream, NULL, true);
+}
+
+bool LLAudioStreamManagerFMOD::stopStream()
+{
+        if (mInternetStream)
+        {
+                int read_percent = 0;
+                int status = 0;
+                int bitrate = 0;
+                unsigned int flags = 0x0;
+                FSOUND_Stream_Net_GetStatus(mInternetStream, &status, &read_percent, &bitrate, &flags);
+
+                bool close = true;
+                switch (status)
+                {
+                case FSOUND_STREAM_NET_CONNECTING:
+                        close = false;
+                        break;
+                case FSOUND_STREAM_NET_NOTCONNECTED:
+                case FSOUND_STREAM_NET_BUFFERING:
+                case FSOUND_STREAM_NET_READY:
+                case FSOUND_STREAM_NET_ERROR:
+                default:
+                        close = true;
+                }
+
+                if (close)
+                {
+                        FSOUND_Stream_Close(mInternetStream);
+                        mInternetStream = NULL;
+                        return true;
+                }
+                else
+                {
+                        return false;
+                }
+        }
+        else
+        {
+                return true;
+        }
+}
+
+int LLAudioStreamManagerFMOD::getOpenState()
+{
+        int open_state = FSOUND_Stream_GetOpenState(mInternetStream);
+        return open_state;
+}