I posted earlier about a timestamp-related problem in ffmpeg under 
CentOS.  That problem doesn't appear in fc10 but I have recently seen in 
fc10 a few Myth dvb-t recordings in which the timestamping seems to have 
been disturbed and never recovered.

The video keeps playing but the sound stops and the myth frontend log 
shows a stream of complaints about an implausibly large time offset.  I 
hadn't seen this before 22 March.

In two simultaneous recordings on that date I think reception may have 
been affected briefly by impulsive interference, but the loss of sound 
was permanent. In a more recent recording the loss of sound seems to 
have happened within the mytharchive dvd process but is again the result 
of a long-term apparent loss of sync.

These myth recordings have been exposed to the new mplayer build during 
preprocessing with mencoder to remove unwanted data streams and 'time 
stamp all frames'.  Myth itself probably doesn't have the new code which 
may - or may not - be causing the problems.

I'm still trying to find out what is going wrong.  Has anyone else seen 
anything similar?

John P




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