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SageTV Software Discussion related to the SageTV application produced by SageTV. Questions, issues, problems, suggestions, etc. relating to the SageTV software application should be posted here. (Check the descriptions of the other forums; all hardware related questions go in the Hardware Support forum, etc. And, post in the customizations forum instead if any customizations are active.)

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  #1  
Old 06-14-2006, 12:43 AM
grooves12 grooves12 is offline
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Aspect Ratio settings do not work properly in Overlay mode.

When in overlay mode, it does not seem that the aspect ratio settings are working properly.

They change between different settings, but the same mode does not always display the same way each time when switching between them, and the stretch settings set in detailed setup do not seem to being being applied.

This is with the Purevideo codecs... I haven't tried other codecs, so not sure how it works with them, but it works fine w/ Purevideo and VMR9. Any idea how to get around this OTHER than going to VMR9??
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  #2  
Old 12-07-2006, 03:46 AM
grooves12 grooves12 is offline
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Anyone have any ideas on this?? Is the only solution... just don't use overlay?

I would really prefer to get the better quality of overlay, and it looks to me like a bug that the aspect ratio settings do not work properly in overlay mode. I could care less about transparent OSD's...
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  #3  
Old 12-07-2006, 05:41 AM
alon24 alon24 is offline
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I saw this problem too.
I just dont use overlays...
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  #4  
Old 12-07-2006, 07:45 AM
blade blade is offline
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Quote:
Originally Posted by grooves12
I would really prefer to get the better quality of overlay...
If your setup is properly calibrated VMR9 should look as good or better than overlay. Actually when using the Nvidia decoders VMR9 uses more advanced deinterlacing methods than it does with overlay.
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  #5  
Old 12-07-2006, 08:51 AM
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jbarr jbarr is offline
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grooves12, I'm using Overlay, because after some trial and error, it gives me the best picture quality. That said, I have seen the behavior you describe. I don't recall if the problem is when I'm "cycling" through the AR's (I defined a remote button to cycle the AR's) or if it is when I am using the AR menu, but I do remember that the "Full" behavior was dependent on whether "4x3" or "16x9" was chosen before selecting "Full". If I first chose "4x3" then selected "Full", the output was different from first selecting "16x9" then selecting "Full". Unfortunately, I don't recall the specific differences, but I'm pretty sure that to make things look "correct" on my 16x9 TV, I had to choose "16x9" then "Full".
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  #6  
Old 12-07-2006, 10:30 AM
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Opus4 Opus4 is offline
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Check Detailed Setup -> Multimedia -> Aspect Ratio Settings for each AR Mode. I've seen this happen when using overlay with AR settings that are greater than 100%.

- Andy
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  #7  
Old 12-07-2006, 10:40 AM
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jbarr jbarr is offline
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Quote:
Originally Posted by Opus4
Check Detailed Setup -> Aspect Ratio Settings for each AR Mode. I've seen this happen when using overlay with AR settings that are greater than 100%.
Are you saying that the settings can be set independently for each AR? Do yo mean that if I set AR to "16x9" the Detailed Setup -> Aspect Ratio Settings will affect only that AR, and if I then later select "Full" and go back into Detailed Setup -> Aspect Ratio Settings that if I change it it only affects "Full"?

I was under the impression that the Detailed Setup -> Aspect Ratio Settings only affected "Full" mode.
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  #8  
Old 12-07-2006, 10:44 AM
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Opus4 Opus4 is offline
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Quote:
Originally Posted by jbarr
Are you saying that the settings can be set independently for each AR?
The AR Settings are for the currently selected AR Mode, shown directly above the Settings option. So, yes, they are set independently for each AR Mode.

-Andy
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  #9  
Old 12-07-2006, 10:56 AM
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jbarr jbarr is offline
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Quote:
Originally Posted by Opus4
The AR Settings are for the currently selected AR Mode, shown directly above the Settings option. So, yes, they are set independently for each AR Mode.
Very cool! SageTV never ceases to amaze me!

It's also probably why my AR has been messed up here and there because I didn't realize that the settings were associated with the AR selected.

Also, can I assume that "source" is not affected by these settings?
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  #10  
Old 12-07-2006, 11:06 AM
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Opus4 Opus4 is offline
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Quote:
Originally Posted by jbarr
Also, can I assume that "source" is not affected by these settings?
No, you can't assume that -- the settings for all modes are each set independently. Select Source as your AR Mode & try changing its AR Settings.

- Andy
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SageTV Open Source v9 is available.
- Read the SageTV FAQ. Older PDF User's Guides mostly still apply: SageTV V7.0 & SageTV Studio v7.1.
- Hauppauge remote help: 1) Basics/Extending it 2) Replace it 3) Use it w/o needing focus
- HD Extenders: A) FAQs B) URC MX-700 remote setup
Note: This is a users' forum; see the Rules. For official tech support fill out a Support Request.
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  #11  
Old 12-07-2006, 11:52 AM
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jbarr jbarr is offline
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OK, I'll try that. If all are independent, that's excellent! I just have to take the time to adjust them all to my liking.

One other question: Do these different AR settings affect only SageTV recordings at playback, or do they also affect DVD and imported videos such as ripped DVD VIDEO_TS folders when played through SageTV. I use the Default (and thus nVIDIA PureVideo) for Recordings playback, but I think I have either InterVideo or CyberLink decoders selected for DVD playback.
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  #12  
Old 12-07-2006, 12:53 PM
jkohn jkohn is offline
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Quote:
Originally Posted by blade
If your setup is properly calibrated VMR9 should look as good or better than overlay. Actually when using the Nvidia decoders VMR9 uses more advanced deinterlacing methods than it does with overlay.
This conventional wisdom has been stated so often that many accept it as unquestioned fact, and I do think it's generally true for NVidia cards, with the caveat that VMR9 mode is more likely to cause performance problems with 1080i HD.

But for ATI Radeons, I've found that the best picture quality is to be had by using the PowerDVD decoders with Overlay mode.
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  #13  
Old 12-07-2006, 01:26 PM
blade blade is offline
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Quote:
Originally Posted by jkohn
This conventional wisdom has been stated so often that many accept it as unquestioned fact, and I do think it's generally true for NVidia cards, with the caveat that VMR9 mode is more likely to cause performance problems with 1080i HD.
Nvidia cards are so common that I sometimes forget not everyone uses them. I should have said that when using an Nvidia card and the Nvidia decoder more advanced deinterlacing is used when running in VMR9 compared to overlay.

I think many times people don't recalibrate their displays when switching between the two. If you don't there is no way you can properly compare the two. To me VMR9 looks much better than anything I've been able to get with Overlay.

Quote:
But for ATI Radeons, I've found that the best picture quality is to be had by using the PowerDVD decoders with Overlay mode.
It is subjective. Some people like the look of certain decoders better than others and I would assume renderers as well.
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  #14  
Old 12-07-2006, 01:56 PM
grooves12 grooves12 is offline
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Quote:
Originally Posted by blade
Nvidia cards are so common that I sometimes forget not everyone uses them. I should have said that when using an Nvidia card and the Nvidia decoder more advanced deinterlacing is used when running in VMR9 compared to overlay.

I think many times people don't recalibrate their displays when switching between the two. If you don't there is no way you can properly compare the two. To me VMR9 looks much better than anything I've been able to get with Overlay.



It is subjective. Some people like the look of certain decoders better than others and I would assume renderers as well.
True... it has been stated often, but to my eyes with the Nvidia decoders that is definitely not the case. Purevideo has a softer look with VMR9 and the reds are not rendered properly... both look much better in overley.

But, it seems the bug is Nvidia decoder related, as the aspect ratios scale properly with other decoders in overlay mode.
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  #15  
Old 12-07-2006, 01:58 PM
grooves12 grooves12 is offline
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Quote:
Originally Posted by jbarr
grooves12, I'm using Overlay, because after some trial and error, it gives me the best picture quality. That said, I have seen the behavior you describe. I don't recall if the problem is when I'm "cycling" through the AR's (I defined a remote button to cycle the AR's) or if it is when I am using the AR menu, but I do remember that the "Full" behavior was dependent on whether "4x3" or "16x9" was chosen before selecting "Full". If I first chose "4x3" then selected "Full", the output was different from first selecting "16x9" then selecting "Full". Unfortunately, I don't recall the specific differences, but I'm pretty sure that to make things look "correct" on my 16x9 TV, I had to choose "16x9" then "Full".
I think its an Nvidia bug... but the problem I have is the horizontal and vertical scaling options do not work properly... it scales the entire image and then begins insertign black bars over the image past a certain point.
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  #16  
Old 12-07-2006, 03:45 PM
jkohn jkohn is offline
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Quote:
It is subjective. Some people like the look of certain decoders better than others and I would assume renderers as well.
I agree, not only is it subjective but also hardware dependent. I found that I couldn't get smooth 1080i playback with the PureVideo decoders with an x1600, even in a Core 2 Duo machine. That was why I originally tried the PDVD decoders. But with NVidia hardware IMHO you get the best performance with PureVideo decoders (assuming you can live with all the bugs :smile.
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