Shortcut Keys not working for .mkv files in MPC-HC

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Shortcut Keys not working for .mkv files in MPC-HC

Post by mohitkumardeol on Thu Nov 24, 2016 6:23 am

Hi, The Shortcut keys for Jump Forward(Keyframe) and Jump Backward(Keyframe) are not working for .mkv files but are working fine with .mp4 files.
I also reinstalled my K-Lite Codec Pack



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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by Admin on Thu Nov 24, 2016 9:16 am

Does it also happen if you disable hardware acceleration in the video decoder?

It should work normally for any video that has a valid keyframe index.

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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by mohitkumardeol on Thu Nov 24, 2016 9:54 am

Nothing changed after disabling the Hardware Acceleration

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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by mohitkumardeol on Thu Nov 24, 2016 10:17 am

Problem updated: I found out that .mkv files with codec ID V_VP9, format VP9 are having this problem whereas .mkv files of codec ID V_MPEG4, format
AVC aren't having this problem. here is the media info those two files

First file



Second file


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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by Admin on Thu Nov 24, 2016 11:28 am

That file might not have keyframes. It is probably the fault of Internet Download Manager. I have seen that program make 'bad' file several times before.

I use this plugin for Firefox, and that same YouTube video seeks fine after downloading.
https://addons.mozilla.org/en-US/firefox/addon/youtube-video-and-audio-dow/

You can probably also fix the file by remuxing it with MkvToolNix.

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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by mohitkumardeol on Fri Nov 25, 2016 12:50 am

But It was working fine before the system reset(Yes, I did reset the system). does it have something to do with the windows update ?


Last edited by mohitkumardeol on Fri Nov 25, 2016 8:20 am; edited 1 time in total

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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by mohitkumardeol on Fri Nov 25, 2016 1:20 am

Thanks for suggesting MkvToolNix. It did the trick. but it is a very frustrating task to first download the video and then making its new copy by remuxing it. I want it back normal

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Re: Shortcut Keys not working for .mkv files in MPC-HC

Post by Admin on Fri Nov 25, 2016 10:32 am

It is the fault of the downloading tool. Perhaps you used a different version of IDM before your reset? I suggest reporting this problem to them, so they can fix their Matroska muxer. Or you could use a different download tool.

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Re: Shortcut Keys not working for .mkv files in MPC-HC

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