[mythtv-users] pre/post roll not working even though multiple free tuners and multi-rec even with just two back to back

Mitch Capper mitch.capper at gmail.com
Sat Mar 3 19:41:44 UTC 2018

Thanks Jim! I am showing  SchedOpenEnd set to 2 now in the database,
scheduled something new to record right after another program and it still
put it on the same tuner.  Did a backend restart after the change as well
to be safe.


On Fri, Mar 2, 2018 at 12:05 PM, Jim <lists at morton.hrcoxmail.com> wrote:

> On 3/2/2018 1:10 PM, Mitch Capper wrote:
>> Running into a problem that even though there are an abundance of tuners
>> w/ multi rec for the same source at the same priority have pre/post roll
>> settings ignored if there back to back recordings.
>> Running v30-Pre-439-gb3fe5d4257-dirty looked through the more recent
>> commits but it doesn't seem there has been anything related to scheduling
>> of this in the last month.
>> I have a hdhomerun quad with each input set as having 2 extra virtual
>> tuners for multi-rec resulting in 12 tuners. Looking at the capture card
>> table they all have equal recpriority(1),quicktune(2),livetvorder(1),
>> and reclimit(3), The primary for each of the four has a schedule order of
>> 2, the virtuals are 0  and all attached to the same video source.   I have
>> a RecordPreRoll at 30 seconds and RecordOverTime at 161.   It only records
>> are 4 primary channels, and even when there are just two back to back
>> recordings it can ignore the pre/post rolls.
>> I was under the impression with multi-rec it was meant to specifically
>> handle situations like this (much less the fact there excess tuners
>> available).
>> I updated the displayname to rename each virtual tuner to a diff display
>> name to try and verify it isn't using them.
>> I started mythbackend with -v schedule then scheduled something to record
>> right after something else on the same channel.  It picked the same tuner
>> to use even though none of the other 11 were in use.   The log does not
>> really show much about tuner selection.
>> If anyone has more direction great, otherwise I can start digging into
>> the code.
>> ~mitch
> You need to set "Avoid Back-to-back recordings" to Always. Then you will
> get the pre/post roll.
> Whenever you have back-to-back recordings the pre and post roll do not
> happen.
> --
> Jim
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