Hello--

I can't find any documentation on how a queue works, exactly... It takes a sequence of inputs, and outputs a structure. The patch creator blurb says this is a FILO queue (which makes it more of a stack than a queue?).

First question: when I access items from the structure at different depths (indexes), am I popping off all of the items that I access, or just the most recent? If difference the first and second members of the structure, have I reduced the queue length by 1 or 2?

Second question: is there a FIFO available, as opposed to the FILO queue? I'm not finding one...

Third question: aside from just wanting to know how these patches work, I'm looking for away of comparing time separated frames from a video input. In the simplest case, I'd like to be able to subtract a video frame from the preceding frame (or a the frame that occurred 5 frames earlier).

Thanks--
 Greg

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