[mythtv-users] FFMPEG Issues..........Please Respond!

Robbie rob at nightlance.com
Tue Aug 29 06:24:28 UTC 2006


On Tue, August 29, 2006 9:07 am, datheh erygre wrote:
> Hi,
> I am using Projectx to Demux myth TV recording to separate audio and video
> files.It is storing the x.m1v(video file) and x.mp2(audio file) to the
> directory specified with exact duration as source clip. But while trying
> to convert these files to3GP and AMR audio file respectively ,the video
> is lagging behind audio when played simultaneously. The video clip
> duration is increased than the actual video file. But the audio is
> converted fine to AMR audio format.
>
> I used the following command line options to convert to 3GP video
> file....
>
> ffmpeg -i x.m1v -g 5 -b 64 -vcodec h263 -s qcif -r 6 x.3GP
>
> and the following option to convert to AMR audio file..........
>
> ffmpeg -i x.mp2 -g 5 -acodec amr_nb -ar 8000 -ab 12 -ac 1 x.amr
>
>
> But now the video file converted is increasing in  duration than the
> actual input file duration given. But the audio is converting to exact
> duration as actual audio file!
>
> How could I change my options to solve this problem so that both should
> have the same duration after conversion.
>
>
>
> Jack.
>
>
>
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>


Are thoes commands running at the same time?   Perhaps your computer can
not keep up with running both commands @ the same time. Or your computer
just can not handle the video encoding to the format that you wish.



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