Comments (12)
Very nice article. Problem is resolved.
Thanks again SumavisionQ5 & shantigilbert. Merry Christmas! :)
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This is something that I have not investigated, I am pretty sure there is a command to do it, but I unfortunately do not know it.
I will try to search for a solution, but since I do not have a CRT I depend on other people to test it.
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Thanks shantigilbert. I can test it, just drop me a note when you have anything.
FYI. Below is the doc I used for Raspberry Pi (RetroPie). In addition to the parameters I mentioned earlier, it also requires overscan_scale=1, in order to make EmulationStation/RetroArch to obey the overscan settings.
https://retropie.org.uk/docs/Overscan/
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I need it too. My TV have no point to point mode so can not work perfect on 1080P. Raspberry overscan setting is good for this.
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Sorry I can't find any info on this, I tried compiling fbset (full as the one included from busybox is very limited) but I still was not able to correct the overscan. I am out of ideas.
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Thank you very much for taking the time on investigating it. I truly appreciate that.
Since there's no easy solution, I close the ticket for now.
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Leave it open, hopefully someone could help :)
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The answer is alway there, in setres.sh! Read it carefully, and you will find an answer in 480cvbs or 576cvbs. I did not answer this issue becasue I hate someone might use EmuELEC for commerical purpose.
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Thanks SumavisionQ5. I have 2 questions:
- I find a similar discussion at https://forum.odroid.com/viewtopic.php?f=112&t=17774&p=118897#p118897. The basic idea is to set /sys/class/graphics/fb0/window_axis & /sys/class/graphics/fb0/free_scale. It's for odroid c1, but the last post of the thread says it works on odroid c2 (which seems to be s905) as well.
However, When I test it on EmuELEC (S905M), it doesn't work. It turns out that I also have to set free_scale_axis, scale_width, scale_height. Do you know why?
- I see both 480cvbs & 576cvbs use: fbset -fb /dev/fb0 -g 1280 960 1280 1920 $BPP. Does it have to be 1280x960? Can I use other values? Any tips for choosing these values? I'm asking because it's not really a common resolution.
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did this fix your issue?
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Yep that fixed the issue for me as well
@25minutes in my case I had to use these settings
fbset -fb /dev/fb0 -g 1280 960 1280 1920 32
echo 0 0 1279 959 > /sys/class/graphics/fb0/free_scale_axis
echo 30 10 669 469 > /sys/class/graphics/fb0/window_axis
echo 0x10001 > /sys/class/graphics/fb0/free_scale
so I am guessing the values depend on your monitor/tv/screen
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Thanks SumavisionQ5. I have 2 questions:
- I find a similar discussion at https://forum.odroid.com/viewtopic.php?f=112&t=17774&p=118897#p118897. The basic idea is to set /sys/class/graphics/fb0/window_axis & /sys/class/graphics/fb0/free_scale. It's for odroid c1, but the last post of the thread says it works on odroid c2 (which seems to be s905) as well.
However, When I test it on EmuELEC (S905M), it doesn't work. It turns out that I also have to set free_scale_axis, scale_width, scale_height. Do you know why?
- I see both 480cvbs & 576cvbs use: fbset -fb /dev/fb0 -g 1280 960 1280 1920 $BPP. Does it have to be 1280x960? Can I use other values? Any tips for choosing these values? I'm asking because it's not really a common resolution.
https://www.ppxclub.com/home.php?mod=space&uid=150233&do=blog&id=20736
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