MPEG1 to MPEG4?

How to convert thro objective-C the MPEG1 t开发者_开发百科o MPEG4? Is there any application that does, so that i can add to my app and test?

Thanks.

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Ugh.

You could use mencoder to do it, but I don't suggest it. MPEG-1 is very different from MPEG-4. There's nothing that even approaches a good way to convert without taking a significant quality hit in the transcode.