[mythtv-users] Mythcommflag Crashes on Certain Recordings
Chris Pinkham
cpinkham at bc2va.org
Thu Mar 9 03:56:15 UTC 2006
* On Wed Mar 08, 2006 at 10:27:46PM -0500, K Stanton wrote:
> Hopefully someone can find a clue here... I've finally gotten mythtv to
> be "family friendly" and we're really liking it! However, some programs
> from Comcast Digital are giving us problems. It only happens on "cable"
> channels (ie, Comedy Central, TBS, USA, DSC), not the local broadcast
> channels nor HDTV. Watching a recording, somewhere during a commercial
> break mythfrontend will freeze and most-likely crash. Separately,
> mythtranscode will choke on the file. mythcommflag will choke on the
> file. The best diagnosis I am able to come up with is from
> mythcommflag. Hopefully you can see the attached output or the link
> below. The best I can guess is that the resolution is changing from
> 704x480 to 526x480 around the same time as the problem. Trying to glean
> as much information as possible from watching the recordings, the
> problem seem to happen when Comcast switches to it's local commercials.
Your diagnosis sounds spot-on if your files are actually switching
resolution in the middle of the recording. Neither the transcoder
or the commercial flagger handle this at all.
Can I get ahold of a copy of one of these recordings? That will help
me be able to work on this issue. I can't promise anything quick, but
I've wanted to get ahold of a file like this for a while because I've
known this is a problem in the flagger and transcoder. I've got
sample files that switch aspect ratios, but nothing that switches
physical resolutions mid-stream.
Email me off-list if you have a way that I can get one of these files
from you.
--
Chris Pinkham (the guy who wrote the flagger and one of those who
maintains the MPEG-2 -> MPEG-4 transcoder that Geoffrey originally wrote)
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