saving image streams from multiple cameras

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Hi

I have multiple pi cameras sending image streams to an opencv app (one threaded app that receives all streams). I would like to save each stream independently with unique name for each one. I have the gps and utc data associated with each one, so I was considering maybe appending left, right, etc to each stream. After the data is saved, I will create an app to load them, either separately or together and view them side-by-side and/or to perform analysis on them. I'm not sure if they should all be saved in the same directory or if each stream gets their own directory, etc. Any advice would be appreciated.

Thanks...