bool LLAudioEngine::preloadSound(const LLUUID &uuid)
{
LL_DEBUGS("AudioEngine")<<"( "<<uuid<<" )"<<LL_ENDL;
getAudioData(uuid); // We don't care about the return value, this is just to make sure
// that we have an entry, which will mean that the audio engine knows about this
if (gAudioDecodeMgrp->addDecodeRequest(uuid))
{
// This means that we do have a local copy, and we're working on decoding it.
return true;
}
// At some point we need to have the audio/asset system check the static VFS
// before it goes off and fetches stuff from the server.
//LL_WARNS() << "Used internal preload for non-local sound" << LL_ENDL;
return false;
}
bool LLAudioEngine::preloadSound(const LLUUID &uuid)
{
if(uuid.isNull())
return false;
if(getAudioData(uuid)->getLoadState() >= LLAudioData::STATE_LOAD_DECODING)
{
// This means that we do have a local copy, and we're working on decoding it.
return true;
}
LL_INFOS("AudioEngine") << "Preloading system sound " << uuid << LL_ENDL;
mPreloadSystemList.push_back(uuid);
// At some point we need to have the audio/asset system check the static VFS
// before it goes off and fetches stuff from the server.
//LL_INFOS("AudioEngine") << "Used internal preload for non-local sound" << LL_ENDL;
return true;
}
void LLAudioEngine::startNextTransfer()
{
//LL_INFOS("AudioEngine") << "LLAudioEngine::startNextTransfer()" << LL_ENDL;
if (getMuted())
{
return;
}
else if(mCurrentTransferTimer.getElapsedTimeF32() <= .1f)
{
return;
}
else if(mCurrentTransfer && mCurrentTransfer->isInPreload())
{
//Keep updating until it either errors out or completes.
mCurrentTransfer->updateLoadState();
return;
}
else
{
mCurrentTransfer = NULL;
}
//Technically, mCurrentTransfer could end up pointing to an audiodata object that's already
//being transmitted/decoded if such was spawned via needing it for playback immediately.
//This will effectively block us from choosing a lower priority audiodata object until the
//immediate ones are done, but it's not a real problem.
// Get the ID for the next asset that we want to transfer.
// Pick one in the following order:
S32 i;
LLAudioSource *asp = NULL;
LLAudioData *adp = NULL;
LLAudioData *cur_adp = NULL;
data_map::iterator data_iter;
// Check all channels for currently playing sounds.
F32 max_pri = -1.f;
for (i = 0; i < MAX_CHANNELS; i++)
{
if (!mChannels[i])
{
continue;
}
asp = mChannels[i]->getSource();
if (!asp)
{
continue;
}
if (asp->getPriority() <= max_pri)
{
continue;
}
if (asp->getPriority() <= max_pri)
{
continue;
}
adp = asp->getCurrentData();
if (!adp)
{
continue;
}
if (adp->isInPreload())
{
max_pri = asp->getPriority();
cur_adp = adp;
}
}
// Check all channels for currently queued sounds.
if (!cur_adp)
{
max_pri = -1.f;
for (i = 0; i < MAX_CHANNELS; i++)
{
if (!mChannels[i])
{
continue;
}
LLAudioSource *asp;
asp = mChannels[i]->getSource();
if (!asp)
{
continue;
}
if (asp->getPriority() <= max_pri)
{
continue;
}
adp = asp->getQueuedData();
if (!adp)
{
continue;
}
if (adp->isInPreload())
{
max_pri = asp->getPriority();
cur_adp = adp;
}
}
}
// Check all live channels for other sounds (preloads).
if (!cur_adp)
{
max_pri = -1.f;
for (i = 0; i < MAX_CHANNELS; i++)
{
if (!mChannels[i])
{
continue;
}
LLAudioSource *asp;
asp = mChannels[i]->getSource();
if (!asp)
{
continue;
}
if (asp->getPriority() <= max_pri)
{
continue;
}
for (data_iter = asp->mPreloadMap.begin(); data_iter != asp->mPreloadMap.end(); data_iter++)
{
LLAudioData *adp = data_iter->second;
if (!adp)
{
continue;
}
if (adp->isInPreload())
{
max_pri = asp->getPriority();
cur_adp = adp;
}
}
}
}
// Check all sources
if (!cur_adp)
{
max_pri = -1.f;
source_map::iterator source_iter;
for (source_iter = mAllSources.begin(); source_iter != mAllSources.end(); source_iter++)
{
asp = source_iter->second;
if (!asp)
{
continue;
}
if (asp->getPriority() <= max_pri)
{
continue;
}
adp = asp->getCurrentData();
if (adp && adp->isInPreload())
{
max_pri = asp->getPriority();
cur_adp = adp;
continue;
}
adp = asp->getQueuedData();
if (adp && adp->isInPreload())
{
max_pri = asp->getPriority();
cur_adp = adp;
continue;
}
for (data_iter = asp->mPreloadMap.begin(); data_iter != asp->mPreloadMap.end(); data_iter++)
{
LLAudioData *adp = data_iter->second;
if (!adp)
{
continue;
}
if (adp->isInPreload())
{
max_pri = asp->getPriority();
cur_adp = adp;
break;
}
}
}
}
if (!cur_adp)
{
while(!mPreloadSystemList.empty())
{
adp = getAudioData(mPreloadSystemList.front());
mPreloadSystemList.pop_front();
if(adp->isInPreload())
{
cur_adp = adp;
break;
}
}
}
else if(cur_adp)
{
std::list<LLUUID>::iterator it = std::find(mPreloadSystemList.begin(),mPreloadSystemList.end(),cur_adp->getID());
if(it != mPreloadSystemList.end())
mPreloadSystemList.erase(it);
}
if (cur_adp)
{
mCurrentTransfer = cur_adp;
mCurrentTransferTimer.reset();
mCurrentTransfer->updateLoadState();
}
else
{
//LL_INFOS("AudioEngine") << "No pending transfers?" << LL_ENDL;
}
}
