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Author Topic: Choppy video and out of sync audion on MKV files with VC-1 codec  (Read 1607 times)

andrevi

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Choppy video and out of sync audion on MKV files with VC-1 codec
« on: December 31, 2013, 04:38:35 pm »

Hello,

I am having choppy video and out of sync audio when playing mkv 1080p files with VC-1 codec.

Please help or point me to existing thread.

Win 7 Ultimate, i5, 8gb RAM, 1 gb nvidia optimus VC, 7200 rpm hdd.

Thanks Much.

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JimH

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Re: Choppy video and out of sync audion on MKV files with VC-1 codec
« Reply #1 on: December 31, 2013, 04:57:11 pm »

One recent video problem turned out to be a problem with the antivirus software.
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andrevi

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Re: Choppy video and out of sync audion on MKV files with VC-1 codec
« Reply #2 on: December 31, 2013, 05:59:24 pm »

Thanks.

I'll turn bitdefender off and give it a try.

Just curious why and what antivirus does to the stream.
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C-FMC

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Re: Choppy video and out of sync audion on MKV files with VC-1 codec
« Reply #3 on: December 31, 2013, 06:22:39 pm »

Thanks.

I'll turn bitdefender off and give it a try.

Just curious why and what antivirus does to the stream.

bitdefender does nothing to the stream
this might be the problem : 1 gb nvidia optimus = usually to weak on vc1 specially if interlaced and using madvr.
and like JimH says in the post above "One recent video problem turned out to be a problem with the antivirus software."
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andrevi

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Re: Choppy video and out of sync audion on MKV files with VC-1 codec
« Reply #4 on: January 01, 2014, 12:42:19 am »

Quote
bitdefender does nothing to the stream
this might be the problem : 1 gb nvidia optimus = usually to weak on vc1 specially if interlaced and using madvr.
and like JimH says in the post above "One recent video problem turned out to be a problem with the antivirus software."

Ok.

What minimum specs to run vc1 interlaced and using madvr or other options ?

Thanks.
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C-FMC

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Re: Choppy video and out of sync audion on MKV files with VC-1 codec
« Reply #5 on: January 01, 2014, 03:09:10 pm »

Ok.

What minimum specs to run vc1 interlaced and using madvr or other options ?

Thanks.

I think a nvidia 660/760 is highly recommended for madvr but you can try this :
Tools>Options>Video>Custom Video Mode Settings>Video Renderer and select : Enhanced Video Renderer
this might help :)

Best Regards
C-FMC


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