Updated mythbuntu theme version 28

[ktbos]

Continuing the thread from the mythtv-users mailing list (http://www.mythtv.org/pipermail/mythtv- ... 62288.html):

Here's are two images of what the menu looks like for me on the Mythbuntu 28.7 theme:

IMG_3519_2.jpg (139.83 KiB) Viewed 3499 times

IMG_3528_2.jpg (67.98 KiB) Viewed 3498 times

Note the fuzz shadow around the text that is about as big as the letters themselves. And those splotches appear and disappear as you change menu selections. Also the vertical bands are a new problem too.

[ktbos]

Thomas, here's the additional info you asked for:

2) Please take a picture with your camera of the full screen

IMG_3530.jpg (58.54 KiB) Viewed 3456 times

3) Please take a screenshot of the full screen

MainMenuScreenshot-Mythbuntu28.7-small.png (163.65 KiB) Viewed 3456 times

4) Open a terminal and get the output of 'xrandr'

Code: Select all

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 8192 x 8192
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 160mm x 90mm
   1920x1080      60.0*+   59.9     30.0     24.0     30.0     30.0  
   1680x1050      60.0  
   1600x900       60.0  
   1440x900       59.9  
   1366x768       59.8  
   1280x1024      75.0     60.0  
   1280x800       59.8  
   1280x720       60.0     59.9  
   1152x864       75.0  
   1024x768       75.0     70.1     60.0  
   800x600        75.0     72.2     60.3  
   720x480        59.9     30.0  
   640x480        75.0     72.8     59.9  

5) What is the model number of your TV.

Samsung PN64E7000

1) What is the output of " xdpyinfo | grep 'depth of root window' "

Code: Select all

depth of root window:    24 planes

2) What video card do you have, and what drivers are you using?

NVIDIA Driver Version: 304.88

Zotac HD-ID33-BR
Onboard Video Next Generation NVIDIA® ION™ (w/512MB DDR3 memory)
lspci reports NVIDIA GT218
http://www.zotacusa.com/zbox-hd-id33-blu-ray.html

[ggervasio]

It seems like a problem with the TV diplay:

• No 1:1 pixel mapping (I see some overscan) -- the TV is scaling the image, which can cause artifacts (like banding). I think you need to change the TV display mode to what Samsung calls "Just Scan".
• TV may be doing some edge enhancement (sharpness), noise reduction, or other type of processing that's intended for broadcast TV/DVD video but is usually bad for computer output. Check your TV's menus and disable these "features".

[ktbos]

Thanks, ggervasio. The sharpness setting did indeed turn out to be the primary problem. And I had gotten the same advice from Thomas on the mailing list. Decreasing the sharpness mostly got rid of the artifacts. But there was still some vertical banding remaining, even with the sharpness "off" (at zero). And I wanted to increase the sharpness a little anyway, so it wasn't at zero. I looked at the background alone on my PC in Photoshop and it still looked a little moire-ish, which I'm not a fan of anyway. So I created my own background that is just a single solid color and that works great for me. I'm going to attach it here to this message so anyone can use it who finds a similar issue. Just download the file and replace the one in ~/.mythtv/themes/Mythbuntu/

[ktbos]

Oh, and for anyone wondering what I used to check the TV settings, here's the URL:

http://tweakguides.com/HDTV_14.html

There's a really good sharpness test image that I used Firefox to do a view image and then F11 to go full screen with the image.