[mythtv-users] Both In progress HD recordings and Live Tv dropping frames on frontend.

[Tom Lichti]

On Wed, May 14, 2014 at 3:03 PM, John <reidjr at lineone.net> wrote:

>  On 14/05/14 16:36, Tom Lichti wrote:
>
>  On Wed, May 14, 2014 at 5:46 AM, Jean-Yves Avenard <jyavenard at gmail.com>wrote:
>
>> On 14 May 2014 05:06, John <reidjr at lineone.net> wrote:
>>
>> > I am intrigued by what the difference is between the frontend being in
>> the
>> >
>> > kState_WatchingRecording rather than kState_WatchingPreRecorded, as I
>> assume
>> > it is the dBase activity of being in the former state that causes the
>> issue.
>> > As the backend shouldnt care if a frontend is watching somthing its
>> > recording, nulling out that activity seems to make sense.
>>
>> as far as the FE is concerned, it makes no difference except that it
>> will know if it needs to query the database for seek tables.
>>
>> your BE is obviously too busy to properly serve files while also recording
>>
>>
>  I would have to agree with JYA on this. My setup has 2 HDHR's recording
> from antenna, an HD-PVR and a PVR-150, and I found that many recordings
> were damaged or would have dropped sections (especially the HDHR
> recordings, which led me down the wrong path of thinking it was signal
> related), until a few weeks ago I upgraded my backend hardware (new mobo),
> and more specifically moved to faster and dedicated drives. Since I've done
> that, I have not had any of the issues that you are having, and that I had
> previously.
>
>  Tom
>
>
>
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>
>  Tom,
> Didnt see your reply before I posted my own. I have no problem with the
> recordings. They can be watched on any frontend AFTER they have stopped
> recording. There is no recording problem as such, just the remote playback
> of in progress recordings on an Ion based frontend.
>
>
Ah. Slightly different problem, but the cause could be the same. Although
your backend can record at a high rate, it may not be able to simultaneous
record and stream the recordings. I know on my old backend I had to use a
PCI SATA card as the mobo didn't have enough SATA connections, and the
drive attached to that card was noticeably slower in throughput than the
one directly connected to the mobo (or might have been the reverse, I don't
remember), and they were identical drives. I know it's not necessarily cost
effective to throw money at the problem, but sometimes that is the solution.

Tom
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