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Ticket #10076: Make active EIT scan in timewindow
noreply at mythtv
Oct 5, 2011, 2:57 AM
Post #1 of 12 (1688 views)
Permalink
#10076: Make active EIT scan in timewindow
---------------------------------+------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Trunk Head
Severity: medium | Keywords:
Ticket locked: 0 |
---------------------------------+------------------------
This patch allows to make EIT active scan working in time windowed mode.
If eitCrawlIdleStart is higher than 3600sec - active EIT will switch to
windowed mode where collecting starts eitCrawlIdleStart number of seconds
after midnight and will go for 4h time window. 4h is hard coded as I don't
want to change DB schema by introducing new setting. For eitCrawlIdleStart
not higher than 3600sec patch is functionally non-destructive (execution
path is practically the same). Patch is not production ready, as has
hardcoded 4h scan window duration and hasn't config boundaries checking.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Oct 9, 2011, 12:08 PM
Post #2 of 12 (1650 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Trunk Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+----------------------------

Comment (by mdean):

This is a dup of #5754. I still think it should be closed as wontfix.
(Also a dup of #9765, but that one didn't have a patch.)

IMHO, this should be done the way Janne was planning (as obliquely
referenced in ticket:5754#comment:25 ) such that it does not use any
settings, but just always does the right thing. In other words, it
performs an EIT scan occasionally and grabs data from all muxes then
"sleeps" for a while. That "while" could even be dynamically tuned
automatically by the grabber or just start out using some reasonable time
for now and be extended later. (Ideally EITCrawIdleStart , without the
overloaded meaning, would also be automatic.)

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076#comment:1>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Oct 10, 2011, 2:10 AM
Post #3 of 12 (1652 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Trunk Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+----------------------------

Comment (by warpme@…):

Mike,
Thx for Your time spent on this ticket. Small remarks form my side: 1\AFAK
it is not exact duplicate of 5754 & 9765 as two formers realized duty
cycle for EIT while my approach realizes EIT on exact given time schedule.
In other words - my patch guarantees EIT will scan only within exactly
defined time window; 2\I fully share Your view about desired simplicity in
myth setup - so enriching setup screens about additional settings like
EITscanDuration is not obvious also for me. It will be good however to
have such functionality (+ settings on DB level) for tweakers like You or
me; 3\Janne suggestion is nice but IMHO orthogonal to mine as I can
imagine users preferring less EIT self-inteligence for more
control/predictability (i.e. BE sleeping during day and
commflaging/transcoding/scanningEIT at night in time-window). Oh BTW: this
patch nicely workarounds 10016 & 9480 for me. While 9480 might be 9480
former patch specific, 10016 looks like not yet widely discovered bug.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076#comment:2>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Apr 8, 2013, 10:03 AM
Post #4 of 12 (1522 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------

Comment (by dekarl@…):

Why do you want to make active EIT scan in timewindow?

I'm asking because I intend to unbreak idle shutdown with active EIT scan
enabled. Which might make this patch unneccesary (if you want to safe
power you can use idle shutdown) or neccessary (if you want to keep the
guide up to date without any scheduled recording while using idle
shutdown).

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076#comment:3>
MythTV <http://code.mythtv.org/trac>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Apr 8, 2013, 12:42 PM
Post #5 of 12 (1519 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------

Comment (by warpme@…):

Karl,
Honestly speaking I not need it anymore :-). I developed this patch in
times when active EIT scanner causes deadlocks in BE when LiveTV is
launched. Time windowed EIT scanner allowed me to minimalize such
deadlocks. Fortunately - at some point in time - Daniel fixed this bug and
now I have continuously running EIT scanner without negative issues with
LiveTV. Speaking about this patch current usefulness: I can imagine
someone wants to setup BE for kind of batch processing at night
(transcodes, etc) and have it off for rest of day. In such case it might
be wise to set active EIT scanner in this time window with short idle
timeout setting (as this will allow to gather as much EIT data as possible
in short period of time - when BE is alive). This is for sure corner and
little artificial case...

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076#comment:4>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Nov 21, 2013, 8:30 AM
Post #6 of 12 (1429 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------

Comment (by warpme@…):

This is updated patch for current 0.27-fixes. I decide to refresh idea
with EIT scan in time window as it allows me to quite considerably save
power. Having EIT window defined for most user-active MythTV window
time(my case: 7PM-11PM) and setting "open_dvb_on_demand" for all my 6
tuners allows to reduce my BE idle power from 71-76W to 55-60W.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076#comment:5>
MythTV <http://www.mythtv.org>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Nov 21, 2013, 8:32 AM
Post #7 of 12 (1427 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------
Changes (by warpme@…):

Attachment "0021-make_EIT_start_at_time.patch" added

http://code.mythtv.org/trac/raw-attachment/ticket/10076/0021-make_EIT_start_at_time.patch

patch for 0.27-fixes

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10076>
MythTV <http://www.mythtv.org>
MythTV Media Center
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Jan 6, 2015, 10:22 AM
Post #8 of 12 (1220 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------
Changes (by warpme@…):

Attachment "0009-make_EIT_start_at_time.patch" added

https://code.mythtv.org/trac/raw-attachment/ticket/10076/0009-make_EIT_start_at_time.patch

Patch for current master

--
Ticket URL: <https://code.mythtv.org/trac/ticket/10076>
MythTV <http://www.mythtv.org>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Jan 6, 2015, 10:23 AM
Post #9 of 12 (1221 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------

Comment (by warpme@…):

Patch for mythtv-0.28

--
Ticket URL: <https://code.mythtv.org/trac/ticket/10076#comment:6>
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Jan 22, 2016, 9:45 AM
Post #10 of 12 (1055 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-----------------------------
Reporter: warpme@… | Owner: stuarta
Type: Patch - Feature | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-----------------------------
Changes (by warpme@…):

Attachment "0009-make_EIT_start_at_time.2.patch" added

https://code.mythtv.org/trac/raw-attachment/ticket/10076/0009-make_EIT_start_at_time.2.patch

Cleaned-up patch + updated for current master

--
Ticket URL: <https://code.mythtv.org/trac/ticket/10076>
MythTV <http://www.mythtv.org>
MythTV Media Center
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Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Apr 17, 2020, 1:55 AM
Post #11 of 12 (611 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-------------------------------------
Reporter: warpme@… | Owner: Stuart Auchterlonie
Type: Patch - Feature | Status: new
Priority: minor | Milestone: needs_triage
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-------------------------------------
Changes (by Stuart Auchterlonie):

* milestone: unknown => needs_triage


--
Ticket URL: <https://code.mythtv.org/trac/ticket/10076#comment:7>
MythTV <http://www.mythtv.org>
MythTV Media Center
Re: Ticket #10076: Make active EIT scan in timewindow [ In reply to ]
noreply at mythtv
Jan 7, 2021, 4:17 AM
Post #12 of 12 (509 views)
Permalink
#10076: Make active EIT scan in timewindow
-----------------------------+-------------------------------------
Reporter: warpme@… | Owner: Stuart Auchterlonie
Type: Patch - Feature | Status: new
Priority: minor | Milestone: needs_triage
Component: MythTV - EIT | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-----------------------------+-------------------------------------
Changes (by warpme):

* Attachment "0004-EIT-make-EIT-start-at-time.patch" added.

Patch for current master

--
Ticket URL: <https://code.mythtv.org/trac/ticket/10076>
MythTV <http://www.mythtv.org>
MythTV Media Center

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