[MEncoder-users] Fwd: Trancoding using Mencoder get video skipping

[Nico Sabbi]

Guillaume POIRIER wrote:

> I'm forwarding this message to this list. It got filtered out from
> some reason...
> Please keep James in CC if you reply.
> I am one of the developers on the Windows Media Center project
> Transcode 360 which allows you to Transcode any video format file
> using Mencoder in to a MPEG2 file for playback on the Xbox 360.
>
> I have converted out application in to a Windows Vista version but our
> user base are experiencing problems with skipping whilst using Windows
> Vista, I have now rulled out the T360 code base as well as Media
> Center as this issue still happens when just Transcoding a file
> manually thorugh a command line, we have tried numerous versions of
> Mencoder and the most stable is RC1 which skips but not as frequently
> as any of the other versions tried.
>
> Has anybody seen this on the Windows Vista platform?

irrelevant

> if so is there
> any cure an example of what T360 has outputted with all flags is below
>
> "C:\Program Files\Transcode360\Wrappers\MEncoderTranscoder\mencoder.exe"
> -quiet -delay 0.2 -oac lavc -srate 48000 -af lavcresample=48000 -of
> mpeg -mpegopts format=dvd -o
> "C:\Users\Public\Videos\TranscodeBuffer\eureka.111.dsr.xvid.notv.360"
> -ovc lavc -vf scale=624:354,expand=624:352,harddup -lavcopts
> vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=8000:keyint=15:aspect=16/9:acodec=mp2:abitrate=320 
>
> -ofps 24000/1001 "C:\Eureka\Eureka - 1x11 - H.O.U.S.E. Rules
> (eureka.111.dsr.x\eureka.111.dsr.xvid.notv.avi"
>
> If anybody has any ideas please can you let me know as I have now
> spent hours trying to get this working with no success.
>
> Thanks
>
> James


try to use -demuxer lavf if possible: it _does_ make a remarkable 
difference, because
it sets mostly correct timestamps in demux packets, at least when 
dealing with many containers