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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 06-24-2003, 01:08 PM
grot grot is offline
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Overscan Control

Quick question.

I have sage running, as well as TVTOOL to overscan my TV. TVTOOL is a sledgehammer - it overscans quite a bit more than I'd like. I used the tweaks in the properties file to bring the Sage UI in, but the video is still too big.

Is there any setting in Sage that can scale the video itself? I know I could fine tune a "windowed" instance of sage, but that seems like a bit of a hack.
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  #2  
Old 06-24-2003, 01:52 PM
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Mark Lamutt Mark Lamutt is offline
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Nope - those are television picture controls. 100% setting = 0% overscan. 105% = 5% overscan. 95% = 5% underscan. You get the idea.



EDIT: Hmm...message is showing up out of order...have to look into that.
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  #3  
Old 06-24-2003, 02:14 PM
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Mark Lamutt Mark Lamutt is offline
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Take a look at the horizontal and vertical zoom settings in Detailed Setup. That may be what you're looking for.
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  #4  
Old 06-24-2003, 02:32 PM
grot grot is offline
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Doesnt that only affect the UI?
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  #5  
Old 06-25-2003, 09:27 AM
grot grot is offline
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FWIW, I did tweak at this set of settings, and it had absolutely no impact. I went all the way from 50% to 150% in 10% increments, and never noticed any idfferences. Tried restarting after each change, that didnt seem to do anything either....
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  #6  
Old 06-25-2003, 10:30 AM
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Mark Lamutt Mark Lamutt is offline
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grot, are you using VMR or Overlay? I seem to recall the zoom settings only work currently with Overlay due to a directx bug that Jeff's trying to work around.
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  #7  
Old 06-25-2003, 02:14 PM
grot grot is offline
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its whatever the default is, I will have to check it when I get home. I will reply back here if it works or not.
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  #8  
Old 06-25-2003, 03:18 PM
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Mark Lamutt Mark Lamutt is offline
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If you're running under XP, then the default is VMR. Change it to Overlay, and the zoom functions should then work for you.
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  #9  
Old 06-25-2003, 05:04 PM
Colin Colin is offline
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I can only get it to zoom the image for a little while while maximized. If Sage is in window mode, it's correctly zoomed. This is on Win2k with DX 8.1 installed. Switching between VMR and Overlay doesn't seem to change anything, other than causing it to work (for both modes) either for a few seconds, or until I change the channel.
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  #10  
Old 06-25-2003, 06:22 PM
justme justme is offline
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Strange I use VMR(XP sp1 with DX9) and the zoom controls work perfect in both fullscreen and windowed mode. I wonder if it's XP or DX9 that is making a difference, or just one of the many other differences that occur from system to system.
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  #11  
Old 06-25-2003, 09:17 PM
olyar15 olyar15 is offline
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It may also be the decoder that you are using. I found that the Intervideo decoders that came the the Hauppauge card was the only one that allowed me to change the overscan/aspect ratio.
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  #12  
Old 06-26-2003, 12:49 AM
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Possible I've found I can't fully control the NVDVD codec. I can zoom so that most of the screen is filled, but I always end up with either small black bars on the side or top. Of course I did manually add this one to the properties files. I just tried elecard and it seems to respond fine to the zoom conrols. I did a test of extreme(154x153) zoom levels and found "The Critic" large and in charge om my screen. I'll do some test tonoght on some of my other codecs.

I use the hauppauge codec when my wife wants to use it. I tend to use the NVDVD codec ,even though I can't get fullscreen so far. So I hope whatever is causing this can be adjusted. I know there are so many codecs out there, but it would be nice if they all responded the same way. This is not Jeff's fault. Maybe he, or us users, could build a list of the codecs, their versions, and the zoom levels that we know work fullscreen(by this I mean edge to edge not windowed or fullscreen).
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  #13  
Old 06-26-2003, 09:16 AM
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Mark Lamutt Mark Lamutt is offline
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The nvDVD codec has a problem with zooming in it. There's lots of discussion over at AVSForums about how you can zoom vertically with it, but not horizontally. Bug on nVidia's part. I have no problem using the zoom controls with the Intervideo codec that came with WinDVD4 either. Currently, that's my video filter of choice.
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  #14  
Old 06-26-2003, 10:58 AM
Colin Colin is offline
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I'll try DX9 tonight and see if that makes a difference. I know it works, but just doesn't stay that way for more than a few seconds. Changing codec's doesn't seem to have any difference, but I'll try a few more of them to be sure.
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  #15  
Old 06-26-2003, 12:14 PM
justme justme is offline
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Hi colin,

I did see your post and did test Sage for about 5 minutes a piece, besides my normal use of SageTV. I also changed channels several times, to see if this would cause a failure in the zoom.

PS:If you are running XP make a system restore point before upgrading to DX9. There is really no other way to uninstall it. Some users have reported problems with DX9. None that I've seen on this sight though.

Best of luck.
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  #16  
Old 06-26-2003, 12:31 PM
Colin Colin is offline
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I'm running win2k with the InterVideo NonCSS Hauppaugue codec..
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  #17  
Old 07-01-2003, 09:29 AM
Colin Colin is offline
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Updating to the latest Service Pack for Win2k, and the latest DirectX fixed the problems I had with zoom control.
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  #18  
Old 07-01-2003, 09:54 AM
justme justme is offline
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Great.

I wonder whether it was the service pack or the DX upgrade? My money would be on the DX upgrade.
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  #19  
Old 07-01-2003, 05:17 PM
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salsbst salsbst is offline
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cannot master overscan

I can't get overscan to work the way I want.

I go svideo out from my Radeon. I have overscan on the driver enabled such that my normal windows desktop is somewhat cut off. This is necessary to reclaim the edges of the screen.

If I set the mode to "Fill" in the Multimedia tab of Sage, it appears that the zoom settings aren't applied. This results in too much overscan (for example, I can't see all of the scrolling text on the bottom of MSNBC's video).

If I use "Source", then the zoom settings are applied, but it seems that they are applied based on a point of reference that is the bottom right corner. That is to say that it results in black bars on the left and top edges when I set the values under 95.

Is there some way to push the image up and to the left?

Regards,
Stuart
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  #20  
Old 07-02-2003, 03:59 AM
justme justme is offline
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My Geforce4 does a similar thing, though not as bad. I used my Video card propeties to move the picture up and to the left. I can only move it so far before sync is lost and it resets, but it's better than before. It seems like most video cards have the SVHS signal positioned to far to the right bottom.

From what you described your problem is likely different, but I hope this can help in some way.
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