[mythtv] Transcode output utterly garbled?
peter.henderson at starjar.com
Wed Jan 25 22:01:30 UTC 2006
Dave Just wrote:
>On 8699 and for the last couple of days I'm getting the video of good
>MPEG2 recordings transcoded to complete garbage --- it looks like
>multi-coloured static interference patterns! Has anyone else seen
I am :-(
I've just transcode a couple of programs I recorded recently, one was
complete garbage, the other transcoded fine.
Im pretty sure both these recordsing were made using svn 8630 snapshot.
The good program was from Channel 4 and the corrupt one was on ITV2
both early in the morning on 22 Jan. Im in the UK
I have not changed any transcode/MPEG settings.
My set up is 3 Avermedia 771 DVB-T cards on a amd 64 3200 box. with a
number of remote client pc's
Guess its time to upgrade to the latest svn and see if its still
happening, especially on new recordings.
>Not sure if I should report in trac, in case this might be due
>to some dodgy settings for quality values in the MPEG4 parameters
>screen. But it only seems to happen on 4:3 aspect streams and this
>is now with the "preserve aspect ratio of video" turned *off* but I
>also had with it switched on (this is experience since ticket #1052
>By the way --- a general issue with several of settings parameters
>like the MPEG4 ones that say things like "do not adjust from the
>default" is that when you inevitably do, there seems to be no way to
>easily find out what the default value was. I lost a port number in
>mythtv-setup and had to go into the sources to look. Unless I've
>completely missed a "reset to default" button, maybe some of the
>documentation entries in the gui should say what the default is?
>(I'll write a patch if anyone agrees, although I worry that it would
>mess up the translations).
> - Dave.
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