1 files changed, 48 insertions, 28 deletions

diff --git a/indra/newview/llvieweraudio.cpp b/indra/newview/llvieweraudio.cpp
index e27ebe8663..7ce9d858dd 100755
--- a/indra/newview/llvieweraudio.cpp
+++ b/indra/newview/llvieweraudio.cpp
@@ -94,7 +94,12 @@ void LLViewerAudio::startInternetStreamWithAutoFade(std::string streamURI)
 
 	switch (mFadeState)
 	{
-		case FADE_IDLE:
+	case FADE_IDLE:
+		if (!gAudiop)
+		{
+			LL_WARNS("AudioEngine") << "LLAudioEngine instance doesn't exist!" << LL_ENDL;
+			break;
+		}
 		// If a stream is playing fade it out first
 		if (!gAudiop->getInternetStreamURL().empty())
 		{
@@ -116,18 +121,18 @@ void LLViewerAudio::startInternetStreamWithAutoFade(std::string streamURI)
 			break;
 		}
 
-		case FADE_OUT:
-			startFading();
-			registerIdleListener();
-			break;
+	case FADE_OUT:
+		startFading();
+		registerIdleListener();
+		break;
 
-		case FADE_IN:
-			registerIdleListener();
-			break;
+	case FADE_IN:
+		registerIdleListener();
+		break;
 
-		default:
-			LL_WARNS() << "Unknown fading state: " << mFadeState << LL_ENDL;
-			break;
+	default:
+		LL_WARNS() << "Unknown fading state: " << mFadeState << LL_ENDL;
+		break;
 	}
 }
 
@@ -158,19 +163,26 @@ bool LLViewerAudio::onIdleUpdate()
 		// we have finished the current fade operation
 		if (mFadeState == FADE_OUT)
 		{
-			// Clear URI
-			gAudiop->startInternetStream(LLStringUtil::null);
-			gAudiop->stopInternetStream();
+			if (gAudiop)
+			{
+				// Clear URI
+				gAudiop->startInternetStream(LLStringUtil::null);
+				gAudiop->stopInternetStream();
+			}
 				
 			if (!mNextStreamURI.empty())
 			{
 				mFadeState = FADE_IN;
 
-				LLStreamingAudioInterface *stream = gAudiop->getStreamingAudioImpl();
-				if(stream && stream->supportsAdjustableBufferSizes())
-					stream->setBufferSizes(gSavedSettings.getU32("FMODExStreamBufferSize"),gSavedSettings.getU32("FMODExDecodeBufferSize"));
+				if (gAudiop)
+				{
+					LLStreamingAudioInterface *stream = gAudiop->getStreamingAudioImpl();
+					if(stream && stream->supportsAdjustableBufferSizes())
+						stream->setBufferSizes(gSavedSettings.getU32("FMODExStreamBufferSize"),gSavedSettings.getU32("FMODExDecodeBufferSize"));
+
+					gAudiop->startInternetStream(mNextStreamURI);
+				}
 
-				gAudiop->startInternetStream(mNextStreamURI);
 				startFading();
 			}
 			else
@@ -182,7 +194,7 @@ bool LLViewerAudio::onIdleUpdate()
 		}
 		else if (mFadeState == FADE_IN)
 		{
-			if (mNextStreamURI != gAudiop->getInternetStreamURL())
+			if (gAudiop && mNextStreamURI != gAudiop->getInternetStreamURL())
 			{
 				mFadeState = FADE_OUT;
 				startFading();
@@ -204,9 +216,12 @@ void LLViewerAudio::stopInternetStreamWithAutoFade()
 	mFadeState = FADE_IDLE;
 	mNextStreamURI = LLStringUtil::null;
 	mDone = true;
-
-	gAudiop->startInternetStream(LLStringUtil::null);
-	gAudiop->stopInternetStream();
+	
+	if (gAudiop)
+	{
+		gAudiop->startInternetStream(LLStringUtil::null);
+		gAudiop->stopInternetStream();
+	}
 }
 
 void LLViewerAudio::startFading()
@@ -268,7 +283,7 @@ F32 LLViewerAudio::getFadeVolume()
 
 void LLViewerAudio::onTeleportStarted()
 {
-	if (!LLViewerAudio::getInstance()->getForcedTeleportFade())
+	if (gAudiop && !LLViewerAudio::getInstance()->getForcedTeleportFade())
 	{
 		// Even though the music was turned off it was starting up (with autoplay disabled) occasionally
 		// after a failed teleport or after an intra-parcel teleport.  Also, the music sometimes was not
@@ -394,9 +409,10 @@ void audio_update_volume(bool force_update)
 	}
 	F32 mute_volume = mute_audio ? 0.0f : 1.0f;
 
-	// Sound Effects
 	if (gAudiop) 
 	{
+		// Sound Effects
+
 		gAudiop->setMasterGain ( master_volume );
 
 		gAudiop->setDopplerFactor(gSavedSettings.getF32("AudioLevelDoppler"));
@@ -426,11 +442,9 @@ void audio_update_volume(bool force_update)
 								  gSavedSettings.getBOOL("MuteUI") ? 0.f : gSavedSettings.getF32("AudioLevelUI"));
 		gAudiop->setSecondaryGain(LLAudioEngine::AUDIO_TYPE_AMBIENT,
 								  gSavedSettings.getBOOL("MuteAmbient") ? 0.f : gSavedSettings.getF32("AudioLevelAmbient"));
-	}
 
-	// Streaming Music
-	if (gAudiop) 
-	{
+		// Streaming Music
+
 		if (!progress_view_visible && LLViewerAudio::getInstance()->getForcedTeleportFade())
 		{
 			LLViewerAudio::getInstance()->setWasPlaying(!gAudiop->getInternetStreamURL().empty());
@@ -528,6 +542,12 @@ void audio_update_wind(bool force_update)
 			volume_delta = 1.f;
 		}
 
+		if (!gAudiop)
+		{
+			LL_WARNS("AudioEngine") << "LLAudioEngine instance doesn't exist!" << LL_ENDL;
+			return;
+		}
+
 		// mute wind when not flying
 		if (gAgent.getFlying())
 		{