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IDProjectCategoryView StatusDate SubmittedLast Update
0060T816generalpublic13 Feb 07 12:0927 Mar 07 17:37
ReporterFutaura 
Assigned ToFutaura 
PrioritynormalSeveritymajorReproducibilityalways
StatusresolvedResolutionfixed 
PlatformOSOS Version
Product Version1.9 
Target VersionFixed in Version3.0 
Summary0060: Bottom of picture missing
DescriptionThe bottom of the full frame picture output by the PVR is missing, consisting of a black area )approx 5 pixel rows) where the remainder of the picture should be. The picture is actually output to roughly the correct position on the TV, considering overscan - it's just that there is no overscan at the bottom of the picture (in fact, the opposite of overscan).

Moving the picture around using the service menu of my TV, it is obvious to see there plenty of overscan at the top, left and right of the picture, but none at the bottom. Comparing the output of the Digihome box to that of a Nokia box confirms this is the case - on the Nokia there is plenty of picture overscan at the bottom too, unlike the Digihome.

See 0059 for two photos from the Nokia and the Digihome. Firstly, the vertical position on screen from both the boxes is near identical. Notice the extra red/white from the graphic at the bottom of the screen from the Nokia output. And on the Digihome output, a black bar is output instead. I should emphasize that the vertical picture position is NOT lower on the Digihome, which would cause the bottom of the picture to disappear into the TV's overscan - the problem really is that the Digihome does not output the full picture, outputting a black area towards the bottom of the picture.

If this a hardware limitation/flaw, then maybe it can be worked around by shifting the image up in the output frame, and shifting the output frame, thus keeping the visible picture in the same position, but adding necessary overscan at the bottom of the picture (at the expense of losing some overscan from the top). I would say losing 10 pixel rows from the top and adding this to the bottom instead would be adequate which still leaves plenty of overscan at the top of the picture.
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- Issue History
Date Modified Username Field Change
13 Feb 07 12:09 Futaura New Issue
27 Mar 07 17:37 Futaura Status new => resolved
27 Mar 07 17:37 Futaura Fixed in Version => 3.0
27 Mar 07 17:37 Futaura Resolution open => fixed
27 Mar 07 17:37 Futaura Assigned To => Futaura


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