[Libav-user] about muxing an mp4 with AAC

[Person]

Hi Alex,

Thank you.
It is strange that was always no sound yesterday.
It just has sound that I start to play mp4 file again. I am sure the
speaker is tested yesterday. I tried for 3 hours...

Anyway, the answer is to mux AAC into mp4 just only need raw AAC stream.

Alex Cohn <alexcohn at netvision.net.il> 於 2012年4月7日下午11:28 寫道：

>
> On Apr 7, 2012 5:21 PM, "Person" <personlin118 at gmail.com> wrote:
> >
> > Hi,
> >
> > I have to record bit-stream to mp4 format.
> > What kind of AAC stream could be muxed to mp4?
> > The VLC player can play video well, but can't decode any AAC frame in my
> mp4. (audio decode frames always is zero)
> > I am sure that audio is in the mp4 file.
> > I tried to mux to AVI that is got no sound too.
> >
> > PS: My AAC stream is without ADTS or AU_HEADER>
> >
> > Best Regards,
> > Person>
>
> Can you transcode your mp4 with command line ffmpeg?
>
> BR,
> Alex
>
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