[MEncoder-users] A/V synchronization problem using mencoder

Nico Sabbi nsabbi at tiscali.it
Wed Mar 30 11:05:30 CEST 2005


Xie Bo wrote:

>>Anyway, is the desync constantly off by the same amount or does it vary 
>>over time?
>>    
>>
>
>Yes,the desync is constant.
>  
>

in this case you can add :vdelay=<milliseconds> or 
:init_apts=<milliseconds> and :init_vpts=<milliseconds>
to fix it.

>  
>
>>Did you try, as Rich suggested, to use only -mc 0 ?
>>    
>>
>Yes, I did but the result is the same (desyn).
>
>In conclusion, now I use "mplayer dvd:// -dumpstream" to backup dvd (and it works well!), and not "mencoder dvd:// -of mpeg -oac copy -ovc copy" because it is desyn. If I add "-noskip",the mencoder will has a memory leak (transcode 690 seconds dvd movie and consume more than 150 MB memory in my windows xp,:( ) and will pop up "Too many audio packets in the buffer: (4096 in 8257536 bytes)." error message.
>
>Best Regards,
>XIe Bo
>
>  
>
ah, it's xp ....




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