[mythtv-users] Forward / back jump problems with 20130308 build of 0.26

[Peter Bennett (cats22)]

On 03/18/2013 01:07 PM, Peter Bennett (cats22) wrote:
> On 03/17/2013 11:55 PM, Jim Stichnoth wrote:
>> On Sat, Mar 16, 2013 at 8:32 AM, Peter Bennett (cats22)
>> <cats22 at comcast.net <mailto:cats22 at comcast.net>> wrote:
>>
>>     I recently upgraded from mythtv_0.26.0+fixes.20130131.28144cd to
>>     mythtv_0.26.0+fixes.20130308.77259c5.
>>
>>     During playback now I find that jump forward 1 minute and jump
>>     back 10
>>     seconds (left and right arrow) do not work well. Sometimes after
>>     pressing left or right arrow, the playback freezes for 5 or 10
>>     seconds
>>     before resuming at the new place. This happens on two frontends, and
>>     never happened before. Is there a regression in this version?
>>
>>
>> This sounds very similar
>> to http://code.mythtv.org/trac/ticket/11435 , which was closed
>> without fixing only because the OP had a custom 0.26 build
>> cherry-picking many of the Master commits, making it very hard to
>> reproduce.
>>
>> Does this behavior happen only on new recordings since your upgrade,
>> or does it happen with older recordings as well?
>>
>> Jim
>>
>>
> I have opened a bug report for the problems (Ticket #11459).
> I am not sure but I think it happens on older recordings as well. I
> will check and let you know. There is also another symptom that I
> found.  On a transcoded 720p recording (H264 mkv file) sometimes a
> seek forward 1 minute actually goes back 5 or 10 minutes.  This is
> definitely on an older recording, and there is no seek table on this
> one because mkv files do not have a seek table.
> Peter
>
On the weekend I downgraded my backend to
mythtv_0.26.0+fixes.20130131.28144cd to avoid this problem. I downgraded
the backend machine but did not downgrade the frontend that runs on a
different computer. Now the problem is gone from both frontends (the one
that shares the backend machine with 20130131 version and the separate
frontend with 20130308 version). I have tried with recordings done
recently and older ones (recordings from on both 20130131 and 20130308
versions).

Let me know if you want me to upgrade again on the weekend and try some
tests. Today I also ran the optimize_mythdb.pl as suggested by Michael
Dean. I have never run the optimize before. I don't know if database
slowness could have caused my problem. I don't think so because the
problems went away when I downgraded back to 20130131.

Peter
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