On Thu, Dec 16, 2010 at 9:44 AM, Eli Konky <[email protected]> wrote:

> Hi,
>
> I have an mp4 (h.264, aac) file where the audio is lagging behind the
> video.
>
> Is it possible to fix this file by just rewriting pts somehow, without
> decoding and re-encoding the entire file?
> Is there any other way to deal with this?
>
> Thanks
> Eli
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You can rewrite the pts without doing any decoding/encoding. But how do you
know what is the correct adjustment? You can do trial and error, e.g. add
+50 msec, 100 msec and check the result visually. But what if the lag is
varying over time?

-- 
pushkar
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