screen turns black for 1 second.

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screen turns black for 1 second.

Post by usertron on Sat Apr 28, 2018 6:05 pm

Hello I haven't had a lot of time to test but watching 4k on my new Radeon saphirre RX580 8gh nitro the screen turns black for one second and it appears random. using the recommended 18.2.1 amd driver and used that as well on other video card that worked fine on same 4k file. Problem seems to be only happening in fullscreen mode. It does not happen with enhanced video custome presenter so I believe its a MadVR thing. I always disable trade quality for performance so that wasn't new. only thing I changed was my card from a R9270x 4gb to RX580 8gb nitro.

Thanks!

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Re: screen turns black for 1 second.

Post by Admin on Sun Apr 29, 2018 7:28 pm

Press Ctrl+J to enable the OSD in Madvr when this happens. Check if you see anything unusual, such as empty queues or high rendertime.

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Re: screen turns black for 1 second.

Post by usertron on Mon Apr 30, 2018 5:30 am

render time jumped to 171 at one point. it looks like when it goes black kinda how when it switches to exlusive mode. again only in madvr. i updated amd driver and still does it. here is the log. quite the strange problem


Codec Tweak Tool | Log file | Generated at 2018-04-29 23:25:57

##### System Information #####

OS: Windows 10 Home (10.00.16299) (x64)
CPU name: AMD Athlon(tm) X4 880K Quad Core Processor
CPU speed: 4292 MHz (4t)
Memory: 16320 MB
Screen size: 1707x960 (32bits) (30Hz)
Video card: Radeon RX 580 Series
VendorID: 1002, DeviceID: 67df
Video mem: 8192 MB
Video driver: aticfx64.dll (Version 23.20.15033.5003) (3-22-2018)
Audio device: AMD High Definition Audio Device
VendorID: 1002, DeviceID: aa01, SubSys: 00aa0100
Audio driver: AtihdWT6.sys (Version 10.0.1.6) (11-16-2017)

##### K-Lite Codec Pack #####

KLCP version: 14.1.3 (base 14.1.0)
KLCP type: standard

Speaker conf: as is

MPC renderer: madVR
MPC subs: VSFilter
MPC decoder: h264=D3D11VA hevc=D3D11VA vp9=D3D11VA vc1=0 mpeg2=0

##### Decoder Settings #####

LAV Video:
H264=1 HEVC=1 VP9=1 VC1=1 MPEG2=1 MPEG4=1 WMV3=0

LAV Audio:
MP3=1 AC3=B DTS=B DTSHD=1 EAC3=1 TRUEHD=1 AAC=1 Vorbis=1 LPCM=1 WMA=0

##### DirectShow Filters (32-bit) #####

(A total of 69 filters, 0 shown, 69 hidden)

##### DirectShow Filters (64-bit) #####

(A total of 69 filters, 0 shown, 69 hidden)

##### ICM Class Manager (32-bit) #####

(A total of 2 filters, 0 shown, 2 hidden)

##### ICM Class Manager (64-bit) #####

(A total of 2 filters, 0 shown, 2 hidden)

##### Default source filters (32-bit) #####

(A total of 55 default source filters, 0 shown, 55 hidden)

##### Default source filters (64-bit) #####

(A total of 55 default source filters, 0 shown, 55 hidden)

##### ACM and VFW Codecs (32-bit) #####

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Re: screen turns black for 1 second.

Post by usertron on Mon Apr 30, 2018 8:10 am

looks like it stopped when i enabled automatic fullscreen exclusive in madvr

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Re: screen turns black for 1 second.

Post by Admin on Mon Apr 30, 2018 1:42 pm

Perhaps power saving mode in driver temporarily reduced the clock speed of the GPU.

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Re: screen turns black for 1 second.

Post by usertron on Tue May 01, 2018 5:00 am

Didn't know there was a power saving mode in AMD's drivers. How would one go about turning that off? I looked but they must be sneaky.

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Re: screen turns black for 1 second.

Post by usertron on Tue May 01, 2018 7:38 am

When exclusive mode is enabled in MadVR it takes a few seconds to witch to fullscreen and even when it does when I right cligh the screen goes black for a second still. There is an issue with MadVR. Enhanced custom presenter is instantaneous. something with fullscreen mode is not working correctly.

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Re: screen turns black for 1 second.

Post by usertron on Tue May 01, 2018 7:59 am

Sorry for the constant updates but figured out I had to disable use direct3d11 to get it to work correctly. Do i need to install a separate update for that? Is that something I need or should have? I don't do anything with 3D since my tv is not 3d. Please advise.

Thank you for your support and all the hard work!

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Re: screen turns black for 1 second.

Post by Admin on Tue May 01, 2018 3:00 pm

Direct3D is the name of all the image/screen/video rendering related functionality in DirectX. It is not something specific for 3D video. Madvr (and EVR as well) always uses Direct3D for rendering. EVR uses version 9, while Madvr uses either 9 or 11.
But I think you are talking about Direct3D11VA hardware acceleration. That is similar to DXVA2 (which uses Direct3D9).

EVR uses normal fullscreen by default. Madvr has option to use normal or exclusive mode. Exclusive mode prevents other apps from drawing on the screen. Right-clicking in that case will switch back to normal mode. Switching between modes should be fast in normal situation. So slowness and black screen are probably due to driver bugs. Windows 10 also has some issues with exclusive mode, so I recommend keeping that disabled.

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Re: screen turns black for 1 second.

Post by usertron on Wed May 02, 2018 1:23 am

if I check the box that says used direct3d11 for windows presentation it does the black screen for a second when i double click it to fullscreen as well as right click on the fulscreen for options. If I uncheck that box in madvr general settings everything is fine. The box with present Vsync option under it.

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Re: screen turns black for 1 second.

Post by Admin on Wed May 02, 2018 2:46 pm

Some systems work better with that setting off and some better with it on. It depends a lot on the driver. Disabling it is fine, and you could try it again in future in case you update the driver.

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