[mythtv] A/V sync problems (bug?)

Torbjörn Jansson torbjorn.jansson at mbox200.swipnet.se
Mon Jul 19 14:38:03 EDT 2004

> One thing all problematic files have in common is that the
> audio timestamps
> on the first few audio samples is some realy large negative
> value.

> As you can see the first few audio samples is realy weird.
> I don't know if this is the cause of the problems or not, but
> it's the only
> common thing I can find.
> The keyfram and filters field in rtframeheader didn't look
> right on the
> samples with weird timestamp.
> Maybe the rtframeheader struct isn't initialized properly?

I did a little experiment, I used my windows filters to change a file with
sync problems from nuv to avi without doing any kind of recompression and
then play it with "mythtv filename.avi" and it played just fine, no a/v sync
problems at all.

So atleast it's not a cpu usage issue.

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