[mythtv-users] Size of firewire recordings

Ryan Lavender ryanlavender at comcast.net
Fri Apr 10 18:49:42 UTC 2015


I am in the Atlanta area. Do you know about how many null packets you were
seeing? Even with a raw feed taken from the box using test-mpeg2, I am
seeing only about 14% of the packets with the video PID (fewer for the
audio).

I would be interested to see the scripts if you have them.


On 4/10/15, 7:40 AM, "Justin Moore" <justin.nonwork at gmail.com> wrote:

>> Sorry for the double e-mail.
>> 
>> It seems like there are an awful lot of null packets in the stream:
> 
> Are you in the SF Bay Area? I ran into this problem starting around February
> or March of 2013 (IIRC). Overnight my HD recordings went from ~6GB/hour to
> 18GB/hour. I made a few calls to tech support but they (obviously) had no idea
> what I was talking about and didn't ever transfer me to someone who knew
> enough to address the problem. I finally gave up because I was moving in a few
> months and it wasn't worth my time.
> 
> Are you also seeing recordings fail? I had a number that did that because Myth
> wouldn't get the right PMT/PAT packets within a given deadline (they were
> buried in the flood of NULL packets) so I had to hack around that. If you're
> seeing that I may still have the scripts sitting around.
> 
> If you ever do track down what the root cause is I'm really curious as to what
> it is.
> 
> -jdm
> 
> 
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