mtdean at thirdcontact
Apr 29, 2012, 5:21 AM
Post #6 of 6
On 04/29/2012 05:48 AM, Anthony Giggins wrote:
Re: Old recordings show incorrect lengths during playback
[In reply to]
> On 29/04/2012, at 12:56 AM, "Michael T. Dean" wrote:
>> On 04/28/2012 01:02 AM, Simon Koch wrote:
>>> On Fri, Apr 27, 2012 at 6:42 PM, Jim Stichnoth wrote:
>>>> On Apr 26, 2012, at 9:14 PM, Simon Koch wrote:
>>>>> Since upgrading to 0.25, when I watch some of my old recordings the
>>>>> length is displayed wrong in the OSD. For example, some 30 minute
>>>>> recordings of the Twilight Zone show lengths from 43 minutes to as much as
>>>>> 10 and a half hours. As I watch, the time progresses normally to 30
>>>>> minutes when the recording stops. On the other hand, the length displays
>>>>> correctly when I edit the recording.
>>>>> I haven't been able to identify much of a common thread between the
>>>>> anomalous recordings. They all seem to be from the PVR-250 and PVR-500
>>>>> era, I haven't found any recordings that I know to be from Firewire or
>>>>> HDHomeRun with this problem yet. Not all of my MPEG encoder recordings
>>>>> show the problem, though. What should I look for to troubleshoot this, or
>>>>> what information should I try to gather so I can write a useful bug report?
>>>>> I feel like I don't have much solid information to work with right now.
>>>> This sounds like http://code.mythtv.org/trac/ticket/10623 .
>>> That's exactly it. That's what I get for not re-checking the bug list
>>> after I try investigating it on my own.
>> FWIW, the ticket is wrong about, "Running a mythcommflag --rebuild on the offending file will resolve the improper length, however it would take significant work to manually rebuild all existing recordings in the library impacted by this problem."
>> I have run --rebuild against all of nearly 2000 recordings and it took only a few seconds of my time (and a day or 2 of background computer time). Just set up a script to loop over all the files in the recordings directories and queue a rebuild for each (and, for bonus points, have it skip any "new since upgrade" recordings).
> Doesn't running
> mythcommflag --rebuild
> With no other parameters just run for all recordings?
It may--it never did in the past. The "run for all recordings without
commercial markers" only worked for the non-rebuild runs. Enough people
seem to think it does work for --rebuild, now, that someone may have
added that feature.
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