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Why can't I manually set recording "priority" or code a better tuner manager system?

Why can't I manually set recording "priority" or code a better tuner manager system?
ChaosMageX
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Junior Member

Posts: 48
Threads: 25
Joined: Oct 2015
#1
2017-01-28, 02:44 AM
I have the following questions about NextPVR's tuner management system, which I wish I could have more control over:

Why can't NextPVR automatically record back-to-back shows on the same channel using the same tuner?

Why does NextPVR neglect available tuners and instead record shows on different channels on the same tuner, even when there's an available tuner right freaking there that it doesn't seem to notice?

You know, on the SiliconDust HDHomeRun Prime, this basically screws up the previous show if it had post-padding, rendering it completely unplayable by NextPVR and its Kodi client. This makes me very Very VERY Angry, especially for one time only specials and shows that air episodes only once and never again. :mad:

Why can't I have direct access to this asinine hidden "priority" system that it uses to basically play roulette with the tuners? When it plays roulette with the tuners, it's playing Russian roulette with my recordings. I want to at least be able to manually set it to so that it does record back-to-back on the same tuner and doesn't screw up shows and render them unplayable or cut off their endings that post-padding is needed to compensate for.

I'm sorry, but I'm just disgusted at this point at how poorly coded the tuner management system is. I don't want to hear excuses about the complexities of the padding system if it's just going to ignore that padding altogether, screwing up recordings in the process out of its own stupidity.

I can't believe that a global level system can't be put in place that could simply check what channels tuners are currently locked on to in order to ensure that back-to-back shows are recorded on the same tuner, and check to make sure there are tuners available before recording different channels on the same tuner and ruining recordings in the process.

At the very least, I want to be able to manually set the "priorities" that are responsible for the moronic behavior of the system so that I can at least mitigate some of its destruction of my recordings.

I don't want to constantly babysit the system every hour and be ready to rapidly remove post-padding from recordings to prevent them from being FUBARed because another show on a different channel starts recording before the previous one finishes recording.
I don't want to have to sit for hours cancelling and resetting scheduled recordings in different combinations in order to get their hidden "priorities" right to make sure that back-to-back recordings record on the same tuner.

I am really sick and tired of this sorry excuse for a tuner management system and I'm willing to bet good money that if I had access to the code behind it, I could rewrite that code to work better than it does now. Since I don't have access to this code, all I can do is appeal to the people who do have access to at least make an attempt to code it better, because I hate seeing my recordings ruined by its absolutely idiotic behavior.
Handy.Man
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Senior Member

Montréal, Québec, Canada
Posts: 423
Threads: 41
Joined: Oct 2012
#2
2017-01-28, 03:00 AM
For Recurring recordings you can change the priority with the Recordings Plugin http://www.nextpvr.com/nwiki/pmwiki.php?...ings#toc10

Once you understand how NextPVR schedules recordings, you can configure your Recordings priority to chain channel back to back. http://forums.nextpvr.com/showthread.php...nel-tuners

I use DB browser for SQL Lite to read npvr.db3 and see what tuner is scheduled for the Recordings.

Sometimes it is better to use Quick Recordings instead of Recurring Recordings.
Server : NextPVR 4.2.3 Intel Core2 Quad Q6600 @2.4GHz 8GB Win7Pro, Hauppauge HVR-2250 Dual Tuner, DIAMOND ATI Theater HD 750 USB TV Tuner, Homemade fractal antenna, SchedulesDirect EPG.
Client : NextPVR 4.2.3 Intel I7-2600K @4.5GHz 8GB, Radeon HD6800, Win7Pro
sub
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Administrator

NextPVR HQ, New Zealand
Posts: 106,699
Threads: 767
Joined: Nov 2003
#3
2017-01-28, 03:09 AM
ChaosMageX Wrote:Why can't NextPVR automatically record back-to-back shows on the same channel using the same tuner?
It can, and should even give you overlapping pre/post padding on both those recordings.

Quote:Why does NextPVR neglect available tuners and instead record shows on different channels on the same tuner, even when there's an available tuner right freaking there that it doesn't seem to notice?
It'll usually record back to back shows on the same tuner, unless their is another recording due later which will overlap with the second show, and that later recording has been allocated to that tuner.

Quote:You know, on the SiliconDust HDHomeRun Prime, this basically screws up the previous show if it had post-padding, rendering it completely unplayable by NextPVR and its Kodi client. This makes me very Very VERY Angry, especially for one time only specials and shows that air episodes only once and never again. :mad:
I'm not aware of any issue related to this, other than a configuration issue with HDHR. Do you have the app setting in the HDHR Setup utility set to the recommended 'default' or 'Mediaportal'? Don't have it set to NextPVR - there is a problem with the definition of this SiliconDust profile, and can cause issues on overlapping use of the tuner.

If there was any actual app bug that screwed up padding, I'm sure we'd have heard a hell of alot more about it.

Quote:Why can't I have direct access to this asinine hidden "priority" system that it uses to basically play roulette with the tuners? When it plays roulette with the tuners, it's playing Russian roulette with my recordings. I want to at least be able to manually set it to so that it does record back-to-back on the same tuner and doesn't screw up shows and render them unplayable or cut off their endings that post-padding is needed to compensate for.
You can adjust the priority of recurring recordings on the Recordings->Recurring screen. With the recurring recording selected that you which to adjust the priority of, press the skip keys and it'll move the recurring priority up or down the list. If these keys don't seem to work for you, make sure you have the sort order set to 'Priority'.

The schedule makes its way down the recurring recording list, from the highest priority, to the lowest priority, looking for a tuner that is available to schedule each recording. It will use the same tuner as an earliear back to back recording, but sometimes it is better to put it on a different tuner (like if that tuner is scheduled to be used at for another recording on another channel at the end of those back-to-back recordings, meaning the second of those back-to-back recordings wouldn't get padding if put on the same tuner etc).

Quote:I'm sorry, but I'm just disgusted at this point at how poorly coded the tuner management system is. I don't want to hear excuses about the complexities of the padding system if it's just going to ignore that padding altogether, screwing up recordings in the process out of its own stupidity.
You haven't explained what the problem scenario is yet, or provided logs showing any problem.

The current logic has evolved over the years, following recommendations and improvements suggested by users, to what we currently have today. I actually think it's pretty good, and handles most scenarios pretty well. I'm always happy to listen to suggestions, and possibly incorporate those suggestions into the app. It'd help if you could describe the exact scenario where things are going wrong, and what is happening.
BrettB
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Saint Paul, MN, USA
Posts: 2,666
Threads: 170
Joined: Jun 2007
#4
2017-01-28, 01:30 PM
ChaosMageX Wrote:You know, on the SiliconDust HDHomeRun Prime, this basically screws up the previous show if it had post-padding, rendering it completely unplayable by NextPVR and its Kodi client. This makes me very Very VERY Angry, especially for one time only specials and shows that air episodes only once and never again. :mad:

I've got 2 HDHR Primes, and I do not have a problem like you describe. So it seems that you don't have something installed or configured correctly (or you have discovered some new bug). And I would guess that this problem and the frustration it is obviously causing you is the root of your complaint. As sub said, you should make sure that in the HDHR Setup software you do NOT have the BDA compatibility mode set to NextPVR. (I know this seems backwards. But it is correct--do not set it to NextPVR when using it with NextPVR.) As sub said, the recommended setting is either "Default" or "Mediaportal".

If you would like us to try to help you track down the cause of this problem, we can do that. I would suggest you create a new thread with an appropriate title like "Back to back recordings on different channels with the same HDHR tuner cause file playback problems". Then in the post include details like whether or not you are using a CableCard, who your cable service provider is, logs from the period of recordings, description of the playback problem(s), etc. Depending upon the situation, we may then ask you to post a chunk cut from one or both of the recordings so that we can analyze the .ts file to try to determine the problem.
Graham
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UK
Posts: 4,058
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Joined: Dec 2005
#5
2017-01-28, 02:17 PM
ChaosMageX Wrote:I have the following questions about NextPVR's tuner management system, which I wish I could have more control over:

Why can't NextPVR automatically record back-to-back shows on the same channel using the same tuner?

Why does NextPVR neglect available tuners and instead record shows on different channels on the same tuner, even when there's an available tuner right freaking there that it doesn't seem to notice?

You know, on the SiliconDust HDHomeRun Prime, this basically screws up the previous show if it had post-padding, rendering it completely unplayable by NextPVR and its Kodi client.

I see that you have wrestled with this before ... http://forums.nextpvr.com/showthread.php...post500905

NextPVR does record back to back shows on a single tuner. NextPVR does switch channels on a tuner without wrecking an in-progress recording on that tuner. It may be that your best bet is to address each problem as a separate thread so that we can figure out why this stuff is not working for you.

For example, when NextPVR fails to record back to back on a single tuner ... zip and attach all of the logs and quote the time and channel that the incident occurred.
Bobins
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UK (North West)
Posts: 1,201
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Joined: Sep 2004
#6
2017-01-28, 07:10 PM
ChaosMageX.

To be honest mate, with an insulting and disrespectful post like yours, I'm surprised Sub has had the good grace to respond.
You start off with "I have a question" and descend into calling the software rubbish.

Perhaps you should remember the 1000s of hours that have gone into developing this software over many years and guess what....IT'S FREE. You didn't pay a cent for it!

Personally I feel very Very VERY angry on Subs behalf for the way you have dissed his labour of love.
If you don't like the product.....use something else....or at least treat it and its author with some respect.

I have no wish to start a flame war but I'm sure I echo the sentiment of many of us who've been here a long time.
NPVR Version= 7.0.1.241229
Intel i5 Ten Core 14400 + 16GB DDR5 in Gigabyte B760 AX Motherboard
Windows 11 Pro 64bit
TBS-6902 dual DVB-S tuner
TBS-6205 quad DVB-T tuner
500Gb System Disk (M2 Nvme SSD)
4Tb Media Store (2 x 2Tb M2 Nvme SSD Spanned)

Raspberry Pi3 B+, Pi4B (OSMC) & Pi5 (XBian) running Kodi v21.1
JEF
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Member

Posts: 155
Threads: 2
Joined: Sep 2007
#7
2017-01-29, 08:34 AM
+1
gEd
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Posting Freak

London
Posts: 3,514
Threads: 100
Joined: Jan 2005
#8
2017-01-29, 11:41 AM
+1
“If this is the way Queen Victoria treats her prisoners, she doesn't deserve to have any.”
dixxfixx
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Member

Posts: 149
Threads: 5
Joined: Nov 2007
#9
2017-01-29, 12:35 PM
+1000000
WinXP SP3 A8V-X Athlon 64 FX-60 2.60GHz 2GB
NextPVR 3.4.8
johnsonx42
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Posting Freak

Posts: 7,298
Threads: 189
Joined: Sep 2008
#10
2017-01-30, 07:40 AM
I'm eagerly Eagerly EAGERLY awaiting the release of ChaosMageX-PVR 1.0 Final (no beta nor point releases needed, since he's just so good)
server: NextPVR 5.0.7/Win10 2004/64-bit/AMD A6-7400k/hvr-2250 & hvr-1250/Winegard Flatwave antenna/Schedules Direct
main client: NextPVR 5.0.7 Desktop Client; LG 50UH5500 WebOS 3.0 TV
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