[mythtv-users] Recordings slow to start?

[John Pilkington]

On 03/07/15 21:04, HP-mini wrote:
> On Fri, 2015-07-03 at 11:12 +0100, John Pilkington wrote:
>> On 02/07/15 19:38, HP-mini wrote:
>
>>> If you start playback of a recording in the period 1 minute after
>>> recording has finished, you are guaranteed to get 10 sec delay.
>>> I believe this is a file status bug.
>>> This is the only time I get any start delay (database on SSD).
>>>
>>> I think there is a file playback probing issue that causes some delay,
>>> if the start of the recording file is not "clean".
>>> Check in mythtv-setup that recordings are set to start on mpeg2-SEQ (==
>>> SPS for H264).
>>>
>>
>> I get a several-second delay if I play a UK SD recording immediately
>> after processing it with my mythDVBcut script, which cuts, remuxes the
>> file from .ts to .mpg and rebuilds the seektable.  No RAID, just a
>> single 500 GB xfs (SL7 default) non-green disk and still only 2GB ram.
>> Compaq dc5800 box.  It's not a problem but another datapoint.
>> Subsequent plays start immediately.
>>
> That delay could be thumbnail (re-)generation or just pre-loading some
> disk cache?

Yes.  My post wasn't quite accurate.  Playback starts immediately if I 
wait for a few seconds before hitting Go.  I don't know exactly what 
might be happening after the script completes.