I need to modify the AudioStreamer library to add the ability for changed playback rate. An example of this is many podcast apps. They have the option to play a stream in 0.5, 1.5 and 2.0 speed. So in the end I should have this syntax: [steam setPlaybackSpeed:2.0].
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I really don't know how difficult it is, but I imagine that with the right knowledge it's quite easy, but I can be wrong.