[mythtv] [mythtv-commits] Ticket #6454: frame sync error
devel at mrwire.co.uk
Mon Apr 13 16:53:48 UTC 2009
I have the same problem with some of my dvd discs. It's been on my list
of things to debug and add to a ticket at some point. Mplayer doesn't
have a problem but it uses liba52 to decode the ac3 so it's a problem
within ffmpeg's decoder somewhere as far as I can tell.
I'll try and get a couple of discs together that display the problem.
In my case it definitely is the ac3 track that has the problem, I got
that far with debugging.
Michael T. Dean wrote:
> On 04/12/2009 01:48 PM, MythTV wrote:
>> #6454: frame sync error
>> Hi, testing trunk I found, that on some files with ac3 audio the preview
>> making crashes with the following error. It leaves the cpu at 100%
>> with a
>> rogue mythbackend running that has to be killed by hand.
>> 2009-04-12 19:40:29.998 [mpeg4 @ 0x7f1e4cc1f2c0]warning: first frame
>> is no
>> 2009-04-12 19:40:30.006 [ac3 @ 0x7f1e4cc1f2c0]frame sync error
> Are these HD-PVR MPEG-4 AVC (H.264) recordings or just some avi file or
> whatever you imported?
> Also, have you debugged it to find that it's the AC-3 track that's
> causing the issue or was that just an assumption based on the log messages?
> Might be helpful to mention the answers on the ticket.
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