I got an audio editor project where the user can apply effects like normalize, reverse or compress on the audio file that has been uploaded to the application. I would like to know how undo/redo can be implemented on such functionality's.
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Are you asking about `undo/redo` implementation or about `filterfade()` function; these two has nothing in common. – hex494D49 Aug 17 '14 at 07:18
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@hex494D49 important is undo/redo implementation. but also would like to understand about filterFade(). – Sanjay Aug 17 '14 at 07:27
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@Sanjay we are here to help on specific programming problems. If you are looking for general information, for example, on how `filterfade()` works, then you should better ask Google. – honk Aug 17 '14 at 07:51
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@honk I am more interested on knowing how to implement undo/redo. I the question is misleading I will edit. – Sanjay Aug 17 '14 at 07:59
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@Sanjay shortening the question was not a good idea. The code helped to understand how/where you want to apply undo/redo. I suggest that you rollback your edit, because the previous edit was better. – honk Aug 17 '14 at 08:14