[mythtv-users] Converting "mythtranscoded" files to avi...

Jordi Puig jordipu at telefonica.net
Wed Jan 2 16:13:35 UTC 2008

En/na Kevin Kuphal ha escrit:
> On Jan 2, 2008 9:05 AM, Steve Smith <st3v3.sm1th at gmail.com 
> <mailto:st3v3.sm1th at gmail.com>> wrote:
>     A question for the transcoding gurus out there.
>     I currently use the inbuilt Myth transcoding options to transcode
>     many of my shows.
>     It's set to transcode to:
>         MPEG4
>         2400kbps
>         MP3 audio with 32K sample rate.
>     This seems to produce NUV files (and good results played back on
>     MythFE or VLC player on Windows).
>     For Xmas I got a Yamada DVD player that can play back DIVX, XVID,
>     MP4 etc.
>     Unfortunately it won't play the NUV files even if I rename them to
>     AVI.
>     I've tried getting ffmpeg to rewrite them to an AVI container using:
>           ffmpeg -i FILE.nuv -f avi -vcodec copy -acodec copy OUT.avi
>     However, what I get then is a file where the video plays at
>     roughly twice the speed of the audio!
>     So my questions are:
>          1) HOW do I convert the NUV files to a playable AVI (as in
>     playable on a "standards" based divx/mp4 player)?
>          2) Can I do this WITHOUT further transcoding?
>          3) Can I get Myth to do the transcoding correctly in the
>     first place? (I'd accept having to rename the file, re-transcoding
>     seems a bit pointless).
> To answer 3, yes you can, but you need to use another program in place 
> of mythtranscode like ffmpeg or mencoder and convert directly to the 
> format you want as a post-recording user job.
> Kevin
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Did you tried with NUVEXPORT?
It worked fine for me, adding --transcode flag it  gives  a very good 
quality  files  (slow than without this flag)
except, sometimes, with some audio sync errors


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