summaryrefslogtreecommitdiff
path: root/indra/llaudio/llaudioengine_fmodex.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llaudio/llaudioengine_fmodex.cpp')
-rw-r--r--indra/llaudio/llaudioengine_fmodex.cpp23
1 files changed, 13 insertions, 10 deletions
diff --git a/indra/llaudio/llaudioengine_fmodex.cpp b/indra/llaudio/llaudioengine_fmodex.cpp
index e9b74b8f41..71f5d47367 100644
--- a/indra/llaudio/llaudioengine_fmodex.cpp
+++ b/indra/llaudio/llaudioengine_fmodex.cpp
@@ -5,7 +5,7 @@
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * Copyright (C) 2014, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -320,8 +320,8 @@ void LLAudioEngine_FMODEX::shutdown()
llinfos << "LLAudioEngine_FMODEX::shutdown() closing FMOD Ex" << llendl;
if ( mSystem ) // speculative fix for MAINT-2657
{
- mSystem->close();
- mSystem->release();
+ mSystem->close();
+ mSystem->release();
}
llinfos << "LLAudioEngine_FMODEX::shutdown() done closing FMOD Ex" << llendl;
@@ -347,15 +347,14 @@ bool LLAudioEngine_FMODEX::initWind()
if (!mWindDSP)
{
- FMOD_DSP_DESCRIPTION dspdesc;
- memset(&dspdesc, 0, sizeof(FMOD_DSP_DESCRIPTION)); //Set everything to zero
- strncpy(dspdesc.name,"Wind Unit", sizeof(dspdesc.name)); //Set name to "Wind Unit"
- dspdesc.channels=2;
- dspdesc.read = &windCallback; //Assign callback.
- if(Check_FMOD_Error(mSystem->createDSP(&dspdesc, &mWindDSP), "FMOD::createDSP"))
+ memset(&mWindDSPDesc, 0, sizeof(mWindDSPDesc)); //Set everything to zero
+ strncpy(mWindDSPDesc.name, "Wind Unit", sizeof(mWindDSPDesc.name));
+ mWindDSPDesc.channels = 2;
+ mWindDSPDesc.read = &windCallback; // Assign callback - may be called from arbitrary threads
+ if (Check_FMOD_Error(mSystem->createDSP(&mWindDSPDesc, &mWindDSP), "FMOD::createDSP"))
return false;
- if(mWindGen)
+ if (mWindGen)
delete mWindGen;
float frequency = 44100;
@@ -364,6 +363,7 @@ bool LLAudioEngine_FMODEX::initWind()
mWindDSP->setUserData((void*)mWindGen);
}
+ // *TODO: Should this guard against multiple plays?
if (mWindDSP)
{
mSystem->playDSP(FMOD_CHANNEL_FREE, mWindDSP, false, 0);
@@ -741,6 +741,9 @@ void LLAudioChannelFMODEX::set3DMode(bool use3d)
}
}
+// *NOTE: This is almost certainly being called on the mixer thread,
+// not the main thread. May have implications for callees or audio
+// engine shutdown.
FMOD_RESULT F_CALLBACK windCallback(FMOD_DSP_STATE *dsp_state, float *originalbuffer, float *newbuffer, unsigned int length, int inchannels, int outchannels)
{