public void ClearQueue()
{
lock (this)
{
// List of tasks that should be re-add after the queue is cleared.
// This are tasks that are not allowed to be cancelled.
List <FFmpegTask> addAgainAfterClear = new List <FFmpegTask>();
// Clear all task references and empty queue.
while (_queue.Count > 0)
{
FFmpegTask task = _queue.Dequeue();
if (task.ForceCompletion)
{
addAgainAfterClear.Add(task);
}
}
_queue.Clear();
// Add the "forced to complete" items again to the queue.
foreach (FFmpegTask task in addAgainAfterClear)
{
_queue.Enqueue(task);
}
}
}
public void AddToConvertQueue(IResultNode resultNode, IFFmpegCallback callbackObj, bool forceCompletion)
{
if (_queue == null)
{
return;
}
// add element to be converted to queue
// call is thread safe
FFmpegTask task = new FFmpegTask {
QueueId = _queueId, DataPacket = resultNode, Callback = callbackObj, ForceCompletion = forceCompletion
};
lock (this)
{
_queue.Enqueue(task);
// report to thread is has 1 (or more) elements in queue
Monitor.Pulse(this);
}
}
