Mpc-hc X64

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Shari Alvine

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Aug 4, 2024, 8:03:15 PM8/4/24
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GoodI thought it was just me, been using K-lite codec pack for about 4 months now. This morning...filelocker. I couldn't read the whole path so I thought it might be a file using the same name that had installed somewhere...deleted the quarantine.... no more video play.... (autoplay prompt instead)

Afraid I'm not as grateful. For whatever reason, after Malwarebytes flushed my MPC, I'm no longer able to choose it as a default player, despite re-installing it. I can't manually SELECT it and have the choice persist. I'm using Win7pro-64bit and have installed the latest version of MPC. MWB no longer complains, but whatever trickery it did, has left me with a broken system. Any pointers would be appreciated.


That happens because the exe file is getting quarantined by Malwarebytes. If you go to settings and set the MPC-HC folder as an exemption and then move the mpc-hc.exe file from quarantine you should be rocking again.


Thanks for the response. The .EXE isn't being quarentined. I added the exception earlier today after seeing mention it was a known false positive- hence the reinstallation. I've ran MPC, both normally and 'as adminstrator' and don't see any sort of 'elevated options menu'. Care to elaborate on where I find this menu?


Changing color output range in the mpc-hc setting to 16-235 does fix issue of videos that are in that color range but the videos that have output range of 0-255 don't display correctly then.

The application author also confirms that you are supposed to have the output range between 0-255 in the setting.


Same issue happens to nvidia users with vlc the fix is to change the color dynamic range from 16-235 to 0-255 but in the amd software is not available since i am on laptop(others say it was 0-255 since the beggining for them and that doesnt fix it)


Using OneCoreApi injection (not installing OneCoreApi on the system), I was able to run MPC-BE version 1.6.6 (a fork of MPC-HC). It has AV1 and AVS3 codecs, but no hardware acceleration, not even for h264. And because VMR7/9 were removed I have to install madVR. But MPC-HC even with OneCoreApi injection could not start.


It has a Haali Video Renderer. I think it comes with Haali Media Splitter. It is the only output that works for me under Windows 2008 R2. Unlike Mad, it doesn't have demanding features, and is just a basic output. Haali splitter is good because it allows you to select languages in VOB and AVI in the basic player, and seek in most VOBs accurately.


Isn't it simpler to select films in normal formats like h.264 and use a compatible media player? On WinXP you can't decode CPU-intensive codecs. Even h.264 with CABAC pushes it on Conroe-class processors.


Besides, if you have a good gpu, you can get mpc-hc to decode on the gpu. My problem with these last versions of mpc-hc and lav filters is that they are too heavy for my gpus. I use a 1.7.13 mod of mpc-hc and lav filters 0.74 that work as I want them in my set up,after years of progressive tweaking. These new versions exceed my gpu capabilities. I may need to upgrade said gpus, and increase my RAM before truly trying to tweak these versions.


What has changed in CUVID decoding in recent versions? It is indeed more demanding than the old DXVA because they copy the data back into the memory for processing, but simpe DXVA was last available in 1.6.x. New versions only support DXVA2 on Vista+.


In old MPC-HC the chosen renderer output made a difference in CPU usage. There was a weird glitch when playing 60 fps on a 60fps monitor using Overlay Mixer (the lowest demand mode) Over time the computer built up a queue of undisplayed frames (because the video was played at a slightly faster rate than the monitor), and the whole Windows GUI began lagging immensely. I suspect OS would probably crash if playback was left going. Overlay Mixer never dropped any frames and panning was super smooth.

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