[MEncoder-users] [BUG] a-v sync problems with pullup, softskip (only on some DVDs)

[Corey Hickey]

Corey Hickey wrote:
>>>I also just noticed something I hadn't before: when using pullup
>>>mencoder reports "Could not get buffer from pullup!" four times. I just
>>
>>
>>This is very bad and should never happen.. It means something is going
>>radically wrong with the buffer management. Can you help me isolate
>>the problem so I can see it happen on a small clip? If not, I'll try
>>to come up with a patch that would help make a more useful debug log
>>for me to read when it happens, or I might even download the big file
>>if this problem proves to be very elusive..
>>
> 
> 
> I'll definitely do what I can to assist. I'll mess around with dd some 
> more and see what I can come up with. If I can find a smaller clip I'll 
> compile from cvs and see if your recent patch changes anything.
> 

I tried for a while; the smallest I could come up with is:
dd if=starwars.vob of=buffer.vob bs=8192 skip=2172 count=8550

...which ends up being 67 MB, or 65 MB bzipped.
http://fatooh.org/files/mpbug/desync2/buffer.vob
...or...
http://fatooh.org/files/mpbug/desync2/buffer.vob.bz2


Thanks,
Corey