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I want to realize the next functionality: from a given video (or audio) file I want to extract sample buffers in real-time - while it is played with AVPlayer. That means eventually I want to have access to the sample buffer being presented in the same time.

How this could be done in most efficient way?

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Is AVPlayer an app or an API/Framework. Please edit this question and we'll re-open it if you are asking about a non-programming topic such as using an App from the store... – bmike♦ Aug 14 '12 at 18:19

closed as off topic by gentmatt, bmike♦ Aug 14 '12 at 18:19

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