[pvrusb2] Video & Audio out of sync when using mencoder?

rogerx.oss at gmail.com rogerx.oss at gmail.com
Sat Nov 19 07:56:18 CST 2011


Has anybody recently, or in the past, seen any HVR-1950 video/audio out-of-sync 
when recording using mencoder?

All of a sudden, I'm noticing video & audio slowly going out of sync once the 
video starts -- usually only detectable at first by mouth/audio sync and then 
(randomly?) later one with video scenes & audio?

I tested my boxes and can play a 720 MPEG2 Commercial DVD without issues.  In 
the past, I would copy my videos to another box and play them using a 'mplayer 
on the fly resize for slow cpu's incantation' without sync issues.  ie:

mplayer -vfm ffmpeg -lavdopts lowres=2:fast:skiploopfilter=all -idx \
-really-quiet -hardframedrop ${1}

CPU on all boxes is running around 26%, to 50% fullscreen, etc.

And, I don't play live video from the HVR.


I'm wondering if I encountered a bug in somewhere with the 3.x kernels, or 
maybe mplayer, or maybe even nouveau (which can be likely).

I even have audio/video sync issues playing back the recorded video on 
WindowsXP using smplayer.


I'm limiting-out on ideas as I don't have a multitude of video players 
installed.  So figured I'd post a query for any ideas.  Especially since I'm 
seeing this might be occuring during recording?  (On recording using mencoder, 
I do get '1 duplicate frame each fps', however I've always being seeing this 
for quite a long time.)


FYI: Concerning spammers, watch what your email client inserts for the to/cc 
fields on reply or group reply.  I've noticed most mailing lists and my mutt 
here will insert the sender's email address along with the group mailing list's 
email.  And, their mailing list will neglect sending you a copy (even though 
you haven't marked the option to prevent sending duplicate emails.)  Lovely bit 
of confusion there, and seeing you're recent spam issue -- it's what seems to 
be turning the wheel.

-- 
Roger
http://rogerx.freeshell.org/


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