J.Pilk at tesco
Mar 24, 2009, 3:52 PM
Post #1 of 1
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Is this a ffmpeg/mplayer timestamp problem?
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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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