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Auto aspect ratio 5.1.2.210603

 
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Auto aspect ratio 5.1.2.210603
eastavin
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#1
2021-06-04, 03:18 PM
Hi.  This new update has some sort of issue with the Auto aspect ratio.  It works OK on most channels but for some reason misinterprets the correct layout on at least 2 channels.  The issue seems to be when a station is transmitting an old tv show in 480i.  I imagine these old tv shows were 4:3 ratio.  However NPVR displays them in strange squashed format where people look really thin and tall... so I guess it must be adding black bars on the sides ??? where none are needed.  The 2 channels I am sure it does this on are 29.2 TBD networks and 29.3 Charge network.  This same thing happens whether I watch with the NPVR client or watch with the browser (EDGE).  If I select FILL aspect in the client then the picture appears to have normal proportions.

The odd thing is that I would have expected other tv channels showing old programs in 480i to have the same issue but they do not appear to at this time.  Why would only these ones be affected?

If I check my regular TV (LG) these same channels dont have any aspect issue.  I did not see this issue happening on the old version of NPVR from March.

Hope this helps you.  I watched each of the 2 channels I am posting about just before creating the logs.

Ed


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.zip   logs-20210604-1057.zip (Size: 135.31 KB / Downloads: 2)
mvallevand
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#2
2021-06-04, 04:39 PM
How do new recordings on these channels look?

Martin
eastavin
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#3
2021-06-04, 05:10 PM
I just tried a recording on 29.3 CHARGE and the recording looks the same as the live picture.
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#4
2021-06-04, 05:26 PM
I honestly doubt anything has changed on that front, because I've been nowhere near any code that would effect this stuff. Since you're seeing it happening in two places, NextPVR.exe and web app, and they don't have anything in common around aspect ratio, I'm guessing something has changed in the source, and whatever is there now causes some issues in NextPVR.

Can you supply a short sample recording so I can see the issue here?
Radar73
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#5
2021-06-14, 10:28 PM
I also noticed the aspect is off on this channel now, probably a broadcast change.  Here's a short recording from 29.3 Charge Network:
https://www.dropbox.com/s/oyooabyebw11ne...95.ts?dl=0
eastavin
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#6
2021-06-14, 10:45 PM
Yes that video shows it well.
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#7
2021-06-14, 10:57 PM
The aspect ratio is the same kind of screwy in dropbox' web player, windows media player, and nextpvr...so looks like it's just something weird that broadcaster is doing at their end. (rather than a bug in NextPVR).
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#8
2021-06-14, 10:59 PM
They've got 16:9 content marked as 4:3.

In NextPVR.exe, you can press F7 to switch to the 'Fill' aspect ratio mode and it'll display correctly.
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