Re: A/V sync issues in cluster mode

Ron Yorgason <[email protected]> Mon, 13 Apr 2009 15:16:57 -0400
Newsgroups gmane.comp.video.dvdrip.user
Message-ID <[email protected]>
Is this something that is fixed in a newer version of dvd::rip?  The
cluster mode feature is awesome, and no one else has it.   I'm just
wondering if my problems will go away if I try building the latest
version and deploying it on my cluster.

--Ron

On Mon, Apr 13, 2009 at 1:27 PM, Nicola Di Nisio <[email protected]> wrote:
> On Apr 13, 2009, at 3:55, Ron Yorgason <[email protected]> wrote:
>
>> I've built up a fancy cluster with 24 cpu cores to process large DVD
>> collections.  I'm starting to get frustrated with the results.  If I
>> process the entire movie on a single node, the resulting video looks
>> and sounds great.  If I process it with the cluster, the audio gets
>> out of sync with the video.  I see directories left over in avi/001,
>> like audio-psu-00 and chunks-psu-00.  It seems like bits were left
>> during the merging process and the result is A/V sync issues.
>>
>> I'm using Ubuntu 8.10 w/ 0.98.6-0.0ubuntu2 on most of the computers,
>> but one system is running CentOS5 with 0.98.7.  Is the version
>> mismatch between the nodes causing me problems? Or are A/V sync issues
>> common in cluster mode?  I could just run all these systems as single
>> DVD ripping stations, but I think I'd get much better utilization if I
>> could run the jobs in parallel across the cluster.
>>
>> --Ron
>>
>
> I doubt it is a version mismatch issue.
> I had similar problems in a cluster where all noded were ubuntu 8.04 with
> latest updates. In my case some segments were without audio. I have fallen
> back to stand alone processing and had no problems.
>
> Cheers
> Nicola
>