3D MVC movie picture freezes on fullscreen when using MadVR

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3D MVC movie picture freezes on fullscreen when using MadVR Empty 3D MVC movie picture freezes on fullscreen when using MadVR

Post by imperia Mon Feb 14, 2022 6:42 am

Hello,

I am having the following issue when trying to play 3D MVC movies on my PC:

3D works, but as soon as I switch to fullscreen mode the picture freezes. I can hear the audio going. If I press Alt-Enter to exit fullscreen mode the movie continues to play without problems.
When exiting fullscreen mode I see "copying back buffer failed new mode"

I tried to downgrade MadVR to some older versions to no avail.
Also tried some options in MadVR like fullscreen exclusive mode on/off. Still no go.



Code:
OS:           Windows 10 Enterprise (10.00.22000) (x64)
CPU name:     Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz
CPU details:  2494 MHz | 4 core(s) | Family 6 Model 60 Stepping 3
Memory:       8128 MB
Screen size:  1920x1080 (32bits) (60Hz)
GPU 1:        Intel(R) HD Graphics 4600
              VendorID: 8086, DeviceID: 0416
GPU memory:   1024 MB
GPU driver:   igdumdim64.dll (Version 20.19.15.4531) (9-29-2016)
GPU 2:        NVIDIA GeForce GT 745M
              VendorID: 10de, DeviceID: 0fe3, SubSys: 380917aa
GPU memory:   2048 MB
GPU driver:   nvldumdx.dll (Version 25.21.14.2531) (4-9-2019) (NV 425.31)
Audio device: High Definition Audio Device
Audio driver: HdAudio.sys (Version 10.0.22000.1) (6-5-2021)

#####  K-Lite Codec Pack  #####

KLCP version: 16.8.0
KLCP type:    full

Speaker conf: 2.0

MPC renderer: madVR
MPC subs:     ISR
MPC audio:    Internal Audio Renderer
MPC decoder:  h264=DXVA2N hevc=0 vp9=0 vc1=0 mpeg2=0

#####  Decoder Settings #####

LAV Video:
H264=DXVA2CB HEVC=1 VP9=1 VC1=0 MPEG2=1 MPEG4=1 WMV3=0

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

imperia

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3D MVC movie picture freezes on fullscreen when using MadVR Empty Re: 3D MVC movie picture freezes on fullscreen when using MadVR

Post by Admin Mon Feb 14, 2022 12:03 pm

Disabling smooth motion option might help. Otherwise I can only suggest to completely reset the madvr settings. You can do that with the Codec Tweak Tool.

If you have enabled hardware acceleration for "H.264 MVC" in LAV Video Decoder, then I recommend to disable that because it is known to be unstable.

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3D MVC movie picture freezes on fullscreen when using MadVR Empty Re: 3D MVC movie picture freezes on fullscreen when using MadVR

Post by imperia Fri Feb 18, 2022 9:18 pm

Smooth motion was never enabled. H.264 MVC is unchecked.

This is some laptop with Optimus.
Video cards are Intel HD 4400 and NVIDIA GT 745M. I tried DDU the NVIDIA card with internet disabled. When I restarted I enabled internet so I can start 3D Blu-Ray from my network share. I was very surprised too see it worked fullscreen!
Next day I tried again and it wasn't working again.
After some investigation I noticed that when it is working its when NVidia driver is still not installed by Windows (automatically).
I changed the Windows settings for preferred adapter for MPC-HC64.EXE to be Intel Graphics. It was High Performance (NVidia) before.
It worked.
I never knew Intel Graphics Adapter supported 3D MVC Frame Packed.
I will be using that for now, but I will investigate more the NVidia driver. It should be working. PowerDVD is working but have other issues. I may try Kodi. Also I may try to strip the NVidia driver with NVslimmer.

imperia

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3D MVC movie picture freezes on fullscreen when using MadVR Empty Re: 3D MVC movie picture freezes on fullscreen when using MadVR

Post by Admin Fri Feb 18, 2022 11:08 pm

NVidia removed 3D vision support from their drivers. That could be the reason for your issue.

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3D MVC movie picture freezes on fullscreen when using MadVR Empty Re: 3D MVC movie picture freezes on fullscreen when using MadVR

Post by imperia Sat Feb 19, 2022 5:37 pm

The latest driver for this "obsolete" video card GT 745M is by accident latest driver with 3D support - 425.31. So 3D is supported.
Which is perfect because Windows doesn't want to update it to newer driver. And the 3D is working just not fullscreen. If MadVR is for example using fullscreen windowed mode it would work I guess.

Like in games. There are 3 modes:
Fullscreen ALT-TAB is slow. This is some
Fullscreen windowed (big window covering the full screen without frames) ALT-TAB is fast.
And Windowed. (with frames)

My surprise is that Intel video drivers support 3D. Do AMD support 3D MVC frame packed movies too?


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Post by Admin Sun Feb 20, 2022 11:37 pm

Yes, Intel and AMD also support it.

I don't have any tips for fixing the NVIDIA issue. Optimus can sometimes behave weirdly because the two drivers have to interact.

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