[mythtv-users] Choppiness w/ transcoded digital broadcast

[Chris Pinkham]

> I've been watching the backend transcode another HDTV recording....
> 
> Once in a while, it spits out an error:
> 
> [mpeg2video @ 0x4c0ec830]ac-tex damaged at 117 40
> [mpeg2video @ 0x4c0ec830]concealing 40 DC, 40 AC, 40 MV errors
> [mpeg2video @ 0x4c0ec830]MPEG motion vector out of boundary
> [mpeg2video @ 0x4c0ec830]MPEG motion vector out of boundary
> 
> Is this normal?  Acceptable?
> 
> What does it mean?

Sounds like the stream or the file was corrupt.  You probabl see
these errors while playing back the original file also.  The new
MPEG2 -> MPEG2 "lossless" transcoding code in 0.19 might be able
to fix this up, then you could transcode again from MPEG2 -> MPEG4.

-- 
Chris