private IEnumerator WaitForTextureFrame(Action <TextureFrame> callback)
{
TextureFrame nextFrame = null;
lock (((ICollection)availableTextureFrames).SyncRoot) {
yield return(new WaitUntil(() => {
return poolSize > frameCount || availableTextureFrames.Count > 0;
}));
while (availableTextureFrames.Count > 0)
{
var textureFrame = availableTextureFrames.Dequeue();
if (!IsStale(textureFrame))
{
nextFrame = textureFrame;
break;
}
}
if (nextFrame == null)
{
nextFrame = CreateNewTextureFrame();
}
}
callback(nextFrame);
lock (((ICollection)textureFramesInUse).SyncRoot) {
textureFramesInUse.Add((UInt64)nextFrame.GetNativeTexturePtr(false), nextFrame);
}
}
