private void WorkerProc(object o)
{
const int waitTimeout = 10;
WaitHandle[] waitHandles = {};
StreamingSourceVoice[] itemsCopy = {};
while (!_shutDown)
{
lock (_lockObject)
{
if (_itemsChanged)
{
itemsCopy = _items.ToArray();
waitHandles = itemsCopy.Select(x => x.BufferEndWaitHandle).Cast <WaitHandle>().ToArray();
_itemsChanged = false;
}
}
if (waitHandles.Length == 0)
{
Thread.Sleep(waitTimeout);
continue;
}
int index = WaitHandle.WaitAny(waitHandles, waitTimeout);
if (index == WaitHandle.WaitTimeout)
{
continue;
}
StreamingSourceVoice item = itemsCopy[index]; //todo: make sure that we've got the right item
item.Refill();
}
}
/// <summary>
/// Removes a <see cref="StreamingSourceVoice" /> from the <see cref="StreamingSourceVoiceListener" />.
/// </summary>
/// <param name="streamingSourceVoice">
/// The <see cref="StreamingSourceVoice" /> instance to remove from the
/// <see cref="StreamingSourceVoiceListener" />.
/// </param>
public void Remove(StreamingSourceVoice streamingSourceVoice)
{
if (_items.Contains(streamingSourceVoice))
{
lock (_lockObject)
{
_items.Remove(streamingSourceVoice);
_itemsChanged = true;
}
}
}
/// <summary>
/// Adds a <see cref="StreamingSourceVoice" /> to the <see cref="StreamingSourceVoiceListener" />.
/// </summary>
/// <param name="streamingSourceVoice">
/// The <see cref="StreamingSourceVoice" /> instance to add to the
/// <see cref="StreamingSourceVoiceListener" />.
/// </param>
public void Add(StreamingSourceVoice streamingSourceVoice)
{
if (!_items.Contains(streamingSourceVoice))
{
if (_items.Count > MaxItems) //64 = Max waithandles
{
throw new NotSupportedException("The maximum number of items is limited to 64.");
}
lock (_lockObject)
{
_items.Add(streamingSourceVoice);
_itemsChanged = true;
TryStart();
}
}
}
