Bright distorted pixels splotches in MKV

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Bright distorted pixels splotches in MKV Empty Bright distorted pixels splotches in MKV

Post by Hyngruman on Sun Apr 12, 2020 8:34 pm

Recently I've started using K-Lite Codec Pack Mega with Media classic player on my new computer, but when I watch mkv files I began to notice bright distorted pixels splotches in the corners of the screen. They are approximately 1 x 3 centimetres in size and sporadically appear just for a split second with 2-5 min interval (sometimes less often). I don't think it's a screen fault as I didn't get the same effects while doing anything else (playing games, watching online videos etc.). I also played the same videos which gave me troubles with VLC media player and everything works fine there. Can someone please help me with this?
Codec Tweak Tool | Log file | Generated at 2020-04-12 19:00:16

#####  System Information  #####

OS:           Windows 10 Enterprise (10.00.18363) (x64)
CPU name:     Intel(R) Core(TM) i5-9300H CPU @ 2.40GHz
CPU details:  2400 MHz | 8 core(s) | Family 6 Model 158 Stepping 10
Memory:       16256 MB
Screen size:  1920x1080 (32bits) (120Hz) (125%)
GPU 1:        Intel(R) UHD Graphics 630
             VendorID: 8086, DeviceID: 3e9b, SubSys: 18711043
GPU memory:   1024 MB
GPU driver:   igdumdim64.dll (Version 26.20.100.6911) (5-28-2019)
GPU 2:        NVIDIA GeForce GTX 1660 Ti
             VendorID: 10de, DeviceID: 2191, SubSys: 10ff1043
GPU memory:   6144 MB
GPU driver:   nvldumdx.dll (Version 26.21.14.4575) (3-17-2020) (NV 445.75)
Audio device: NVIDIA High Definition Audio
             VendorID: 10de, DeviceID: 0099
Audio driver: nvhda64v.sys (Version 1.3.38.26) (2-18-2020)

#####  K-Lite Codec Pack  #####

KLCP version: 15.4.4 (base 15.3.2)
KLCP type:    mega

Speaker conf: 2.0

MPC renderer: EVR CP
MPC subs:     ISR
MPC audio:    System Default
MPC decoder:  h264=DXVA2N hevc=DXVA2N vp9=DXVA2N vc1=0 mpeg2=0

#####  Decoder Settings #####

LAV Video:
H264=DXVA2CB HEVC=DXVA2CB VP9=DXVA2CB 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

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

(A total of 75 filters, 0 shown, 75 hidden)

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

(A total of 74 filters, 0 shown, 74 hidden)

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

(A total of 3 filters, 0 shown, 3 hidden)

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

(A total of 3 filters, 0 shown, 3 hidden)

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

(A total of 64 default source filters, 0 shown, 64 hidden)

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

(A total of 56 default source filters, 0 shown, 56 hidden)

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

(A total of 20 codecs, 0 shown, 20 hidden)

#####  ACM and VFW Codecs (64-bit)  #####

(A total of 18 codecs, 0 shown, 18 hidden)

Hyngruman

Posts : 1
Join date : 2020-04-12

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Bright distorted pixels splotches in MKV Empty Re: Bright distorted pixels splotches in MKV

Post by Admin on Sun Apr 12, 2020 9:05 pm

I suspect it may be the fault of the video processing that is done by the Intel graphics driver.

Open the Intel graphics control panel and disable all video "enhancement" options. They have names like Skin Tone Ehancement, Edge Enhancement, Adaptive brightness, and so on.
VLC uses a different method of rendering, so these things usually don't get applied to it.

I also recommend updating the Intel driver.

You can also try a different renderer in Media Player Classic:
MPC options > Playback > Output > Video renderer > "MPC Video Renderer"

Or use the NVIDIA GPU:
Windows Settings > System > Display > Graphics Settings > select “Classic app” (mpc-hc64.exe) > High performance

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