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Author Topic: Windows Desktop displays before video playback  (Read 981 times)

rpalmer68

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Windows Desktop displays before video playback
« on: May 19, 2023, 04:36:38 am »

Hi,

This has been an annoyance for a long time, I just keep putting off posting about it.

Whenever I start video playback, I always see part of my Windows Desktop before the playback starts.

Is there a setting somewhere to stop this happening?

GPU is a NVIDIA 1660Ti

Here is a video to show the issue:
https://drive.google.com/file/d/1NuAhujQl21dsWsYrWNPnualJjVXk_fZp/view?usp=share_link

Thanks
Richard
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tzr916

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Re: Windows Desktop displays before video playback
« Reply #1 on: May 19, 2023, 08:46:32 am »

I had this, and it seems to be related to Windows multiple displays and HDMI EDID. I resolved it by using a hardware EDID device between the HTPC and AVR:
https://yabb.jriver.com/interact/index.php?topic=132872.0
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JRiverMC v32 •Windows 10 Pro 64bit •Defender Exclusions •ṈŘ 3rd party AV
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JimH

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Re: Windows Desktop displays before video playback
« Reply #2 on: May 19, 2023, 08:50:25 am »

Could also be a video driver problem.
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rpalmer68

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Re: Windows Desktop displays before video playback
« Reply #3 on: May 19, 2023, 04:56:57 pm »

I had this, and it seems to be related to Windows multiple displays and HDMI EDID. I resolved it by using a hardware EDID device between the HTPC and AVR:
https://yabb.jriver.com/interact/index.php?topic=132872.0

Hmm, interesting,  I am running 2 "displays".  One HDMI output is only used for the audio, the other for the video.
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rpalmer68

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Re: Windows Desktop displays before video playback
« Reply #4 on: May 20, 2023, 03:21:36 am »

I had this, and it seems to be related to Windows multiple displays and HDMI EDID. I resolved it by using a hardware EDID device between the HTPC and AVR:
https://yabb.jriver.com/interact/index.php?topic=132872.0

I see you also use a harmony remote.

Can you remember how you got it to switch back Theater View once in Standard View.

I can send two "escapes" to get out of Theater View, but not sure how to get back, as Ctrl+4 isn't a  command harmony has.

Thanks
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tzr916

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Re: Windows Desktop displays before video playback
« Reply #5 on: May 20, 2023, 08:42:25 am »

Try the "Green button"
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JRiverMC v32 •Windows 10 Pro 64bit •Defender Exclusions •ṈŘ 3rd party AV
•ASUS TUF gaming WiFi z590 •Thermaltake Toughpower GX2 600W
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rpalmer68

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Re: Windows Desktop displays before video playback
« Reply #6 on: May 20, 2023, 09:37:02 pm »

Try the "Green button"

That launches MC but doesn't switch from Standard to Theater view.

EDIT: The green button isn't launching MC after all, so in fact it isn't doing anything.
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tzr916

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Re: Windows Desktop displays before video playback
« Reply #7 on: May 20, 2023, 09:57:12 pm »

Works on my system. I have MC in theater view, scroll over to exit>exit theater view=> mc drops to standard view, then I press the Green Button and mc goes right back to theater view.
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JRiverMC v32 •Windows 10 Pro 64bit •Defender Exclusions •ṈŘ 3rd party AV
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JimH

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Re: Windows Desktop displays before video playback
« Reply #8 on: May 20, 2023, 11:23:46 pm »

That launches MC but doesn't switch from Standard to Theater view.
Video driver?  But are you running Media Server on Windows start?
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rpalmer68

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Re: Windows Desktop displays before video playback
« Reply #9 on: May 21, 2023, 12:20:06 am »

Video driver?  But are you running Media Server on Windows start?

I'm running the latest Nvidia (primary display) and Intel (hdmi audio) drivers.

Have tried older drivers with same result.

And yes Media server runs at start up.

I'm running Windows 10 BTW.
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rpalmer68

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Re: Windows Desktop displays before video playback
« Reply #10 on: May 21, 2023, 06:03:29 am »

Works on my system. I have MC in theater view, scroll over to exit>exit theater view=> mc drops to standard view, then I press the Green Button and mc goes right back to theater view.

Strange,

When I press the button I have assigned in MyHarmony to "Green" for the computer device, MC doesn't do anything.

Other buttons do what I expect, but not "green".

Is there an MC option somewhere I might be missing?

When I click on Remotes in Options and go into the devices area the MCE and Keyboard/HID options re both ticked. (Changing/removing  these didn't help BTW) 

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tzr916

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Re: Windows Desktop displays before video playback
« Reply #11 on: May 21, 2023, 08:48:42 am »

I couldn't really get the work-arounds to be reliable, especially after power outages or PC reboots. I tried many but ended up going with the EDID emulator box. No more headaches.

Screenshot of my current harmony Green button setup. Also attached some batch files that I used for a while.
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JRiverMC v32 •Windows 10 Pro 64bit •Defender Exclusions •ṈŘ 3rd party AV
•ASUS TUF gaming WiFi z590 •Thermaltake Toughpower GX2 600W
•i7-11700k @ 3.6GHz~5GHz •32GB PC4-25600 DDR4
•OS on Crucial P5 Plus M.2 PCIe Gen4 •Tv Recordings on SATA 6TB WD Red Pro
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JimH

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Re: Windows Desktop displays before video playback
« Reply #12 on: May 21, 2023, 01:03:49 pm »

When I press the button I have assigned in MyHarmony to "Green" for the computer device, MC doesn't do anything.

Other buttons do what I expect, but not "green".
Whatever you've assigned may not be correct.  The Green Button is a standard from WMC remotes.  MC works with it.
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muzicman0

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Re: Windows Desktop displays before video playback
« Reply #13 on: May 21, 2023, 04:07:54 pm »

I used to use Event Ghost when I was using MC on my TV.  It intercepted all the remote commands, so I had to program everything I wanted it to do, but it gave me an AMAZING amount of flexibility.  I probably still have my config.xml somewhere if someone wants it.
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bogdanbz

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Re: Windows Desktop displays before video playback
« Reply #14 on: May 28, 2023, 01:25:56 pm »

This has nothing to do with drivers, it's caused by the way the video renderer is performing the transition of the swap chain to full screen.

You will always see first the windows desktop with a small rectangle in the middle of the screen and only then the full screen video frame, if you double click on a video file in Windows Explorer and you're using JRVR, for instance.
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rpalmer68

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Re: Windows Desktop displays before video playback
« Reply #15 on: June 03, 2023, 12:59:46 am »

This has nothing to do with drivers, it's caused by the way the video renderer is performing the transition of the swap chain to full screen.

You will always see first the windows desktop with a small rectangle in the middle of the screen and only then the full screen video frame, if you double click on a video file in Windows Explorer and you're using JRVR, for instance.

So if this is a renderer issue, then it should be fixable within JRVR?
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tzr916

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Re: Windows Desktop displays before video playback
« Reply #16 on: June 03, 2023, 09:15:40 am »

The root cause is not MC or JRVR or video drivers. The root cause is Windows hot plug detect, search google for "hot plug detect Pin 19". This mostly affects dual monitors / extended desktop setups.

Basically when Windows detects that one of the connected "monitors" changes resolution, or is shut off, or the input changes etc, Windows "moves/resizes" any full screen apps/video, and even desktop icons, into the top left corner of the screen. Watch the following video: https://www.youtube.com/watch?v=5Y3jnk5g4UI

The fix is to trick Windows into thinking that the dual monitor / extended desktop configuration stays constant. Some GPU's have EDID override to get around this, like nvidia Quadro or some newer Intel NUC's. But if your GPU does not, the BEST way to trick Windows is an external hdmi hardware EDID device. I tried many - several active hdmi switches, "monitor detect killer" (pin 19), 4k HD Fury, but the only one that provides ZERO problems ended up being: https://atlona.com/product/at-etu-sync/
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JRiverMC v32 •Windows 10 Pro 64bit •Defender Exclusions •ṈŘ 3rd party AV
•ASUS TUF gaming WiFi z590 •Thermaltake Toughpower GX2 600W
•i7-11700k @ 3.6GHz~5GHz •32GB PC4-25600 DDR4
•OS on Crucial P5 Plus M.2 PCIe Gen4 •Tv Recordings on SATA 6TB WD Red Pro
•4 OTA & 6 CableCard SiliconDust Tuners
•nVidia RTX2060 •XBR65Z9D •AVRX3700H •Fluance 7.2.2 [FH]
•SMP1000DSPѫRSS315HE-22■DIYSG Cube-12
•eD LT.500ѫeD 13ov.2■eD A3-300

JimH

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Re: Windows Desktop displays before video playback
« Reply #17 on: June 03, 2023, 09:59:12 am »

Thanks for posting that, tzr916.  I added it to the Weird Problems thread.
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