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Catch case in llaudioengine where audio buffers are released with channels still consuming them(A proper fix should be done to avoid this scenario in the future).

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Added stricter checking for fmodex errors.
Demote a harmless message from llinfos to lldebugs when audio buffers are all consumed.
Initialize LLAudioBuffer member variables.
-LLAudioBuffer::mInUse is inited to TRUE to avoid buffers that just got created from getting deleted during the same frame by new audio sources further down the chain.
This commit is contained in:
Shyotl
2013-05-16 01:58:35 -05:00
parent 2bdd695d5f
commit 2b30a5a4e7
5 changed files with 44 additions and 25 deletions
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35
indra/llaudio/llaudioengine.cpp
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@@ -368,7 +368,7 @@ void LLAudioEngine::idle(F32 max_decode_time)
if (channelp)
{
channelp->updateBuffer();
sourcep->getChannel()->play();
channelp->play();
}
continue;
}
@@ -391,8 +391,12 @@ void LLAudioEngine::idle(F32 max_decode_time)
// Actually play the associated data.
sourcep->setupChannel();
channelp->updateBuffer();
sourcep->getChannel()->play();
channelp = sourcep->getChannel();
if (channelp)
{
channelp->updateBuffer();
channelp->play();
}
}
else if (sourcep->isLoop())
{
@@ -405,7 +409,12 @@ void LLAudioEngine::idle(F32 max_decode_time)
// Actually, should do a time sync so if we're a loop master/slave
// we don't drift away.
sourcep->setupChannel();
sourcep->getChannel()->play();
channelp = sourcep->getChannel();
if (channelp)
{
channelp->updateBuffer();
channelp->play();
}
}
}
}
@@ -597,6 +606,14 @@ LLAudioBuffer * LLAudioEngine::getFreeBuffer()
lldebugs << "Taking over unused buffer " << buffer_id << llendl;
//llinfos << "Flushing unused buffer!" << llendl;
mBuffers[buffer_id]->mAudioDatap->mBufferp = NULL;
for (U32 i = 0; i < MAX_CHANNELS; i++)
{
LLAudioChannel* channelp = mChannels[i];
if(channelp && channelp->mCurrentBufferp == mBuffers[buffer_id])
{
channelp->cleanup();
}
}
delete mBuffers[buffer_id];
mBuffers[buffer_id] = createBuffer();
return mBuffers[buffer_id];
@@ -1374,14 +1391,14 @@ void LLAudioSource::update()
return ; //no need to update
}
if (!getCurrentBuffer())
//if (!getCurrentBuffer()) // Same as !adp->getBuffer()
{
LLAudioData *adp = getCurrentData();
if (adp)
if (adp && !adp->getBuffer())
{
// Hack - try and load the sound. Will do this as a callback
// on decode later.
if (adp->load() && adp->getBuffer())
if (adp->load())
{
play(adp->getID());
}
@@ -1847,8 +1864,8 @@ bool LLAudioData::load()
if (!mBufferp)
{
// No free buffers, abort.
llinfos << "Not able to allocate a new audio buffer, aborting." << llendl;
return true;
lldebugs << "Not able to allocate a new audio buffer, aborting." << llendl;
return false;
}
std::string uuid_str;