///add track to the masterTrack's queue - this will allow future ODScheduling to affect them together.
/// sets the NeedODUpdateFlag since we don't want the head task to finish without haven't dealt with the depednent
///
///@param track the track to bring into the tasks AND tracklist for this queue
void ODWaveTrackTaskQueue::MergeWaveTrack(WaveTrack* track)
{
AddWaveTrack(track);
mTasksMutex.Lock();
for(unsigned int i=0;i<mTasks.size();i++)
{
mTasks[i]->AddWaveTrack(track);
mTasks[i]->SetNeedsODUpdate();
}
mTasksMutex.Unlock();
}
//if the wavetrack is in this queue, and is not the only wavetrack, clones the tasks and schedules it.
void ODWaveTrackTaskQueue::MakeWaveTrackIndependent(WaveTrack* track)
{
mTracksMutex.Lock();
if(mTracks.size()<2)
{
//if there is only one track, it is already independent.
mTracksMutex.Unlock();
return;
}
for(unsigned int i=0;i<mTracks.size();i++)
{
if(mTracks[i]==track)
{
mTracksMutex.Unlock();//release the lock, since RemoveWaveTrack is a public threadsafe method.
RemoveWaveTrack(mTracks[i]);
//clone the items in order and add them to the ODManager.
mTasksMutex.Lock();
for(unsigned int j=0;j<mTasks.size();j++)
{
auto task = mTasks[j]->Clone();
task->AddWaveTrack(track);
//AddNewTask requires us to relinquish this lock. However, it is safe because ODManager::MakeWaveTrackIndependent
//has already locked the m_queuesMutex.
mTasksMutex.Unlock();
//AddNewTask locks the m_queuesMutex which is already locked by ODManager::MakeWaveTrackIndependent,
//so we pass a boolean flag telling it not to lock again.
ODManager::Instance()->AddNewTask(std::move(task), false);
mTasksMutex.Lock();
}
mTasksMutex.Unlock();
mTracksMutex.Lock();
break;
}
}
mTracksMutex.Unlock();
}
