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382 posts

Ultimate Geek


# 34681 27-May-2009 21:50
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Excuse my ignorance but can mkv play back using the haler codec make use of h/w acelleration?

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283 posts

Ultimate Geek


  # 218573 28-May-2009 10:24
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Not sure about Windows 7, but I haven't had any luck with MKV's on Windows XP with NVIDIA cards. Seems that a lot of people that encode MKV files don't adhere to the Blu Ray / DVB standards with regards to Reference Frames.

The NVIDIA Linux driver seems a lot less fussy about that and plays all my MKV's with VDPAU acceleration ok.



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Ultimate Geek


  # 218583 28-May-2009 10:38
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I've got a pentium d 805 2.66 1mb l2 cache proc with 1gb of ram and the playback is choppy at 1080p resolution. surely the box isn't under spec?

 
 
 
 


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  # 218600 28-May-2009 11:17
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i have mkvs playing in media player classic with h/w acceleration under windows 7 with a ati 4850.. 1080p playing with 5% cpu



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Ultimate Geek


  # 218606 28-May-2009 11:28
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I've got a 4350 ati

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  # 218614 28-May-2009 11:35
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4350 will be all good.. it will be capable, you just have to go through the hassle of setting it up (20 mins work)

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# 218616 28-May-2009 11:38
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It will work if you use the CoreAVC codec 1.9.0 or above with an nvidia card that supports CUDA. I have also had it work using the PowerDVD codec. This is using MediaPortal and vista (although the first solution should work for any OS)

Basically if you use a codec that does hardware H.264 decoding it should work as .mkv is just a container like .ts




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Ultimate Geek


  # 218713 28-May-2009 15:02
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Ok, just played transformers 1080 mkv. cpu cores around 50%. def not h/w offloading. I'll try that coreavc

 
 
 
 


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  # 218788 28-May-2009 16:12
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dont worry about coreavc its not needed! and isnt free. there is a guide on how to setup media player classic home cinema.. ill post it when i get home, in a bit over an hour, its really quite straight forward. You just need to disable some internal filters, enable some other setting and it works.. takes 5 mins to do and really is quite simple.

Also, your videos need to be dxva capable videos for hardware decoding to work



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Ultimate Geek


  # 218792 28-May-2009 16:15
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For the life of me I cannot get my 1080 transformers mkv to playback sound in media player, it can in vlc though.. other mkvs are ok

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  # 218794 28-May-2009 16:17
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Found the article without going home! Bonus :)



Link to Article



Follow that guide word for word, no shortcuts!!! and you will be good to go

Edit: I struggled and struggled for a good couple of days with many codecs and other shiz, until i found that guide.. ive followed it twice now for my windows 7 builds, and had it working flawlessly in less than 5 mins.. it works, and is easy..

Edit2: Media player that comes with your computer is NOT media player classic home cinema, you have to download it from that site in the guide.. Thought i should point that out.. let me know how you go anyway

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  # 218874 28-May-2009 18:01
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  Seems that a lot of people that encode MKV files don't adhere to the Blu Ray / DVB standards with regards to Reference Frames. .


I have seen this happen also (downloaded the terminator series and couldnt get picture - just sound) - you can re-package the file updated to perform h/w decode but it takes a bit of time and pissing about.

Thats one plus with CUDA that its not using h/w decode its just passing the processing to the GPU instead of the CPU so it doesnt matter how its encoded/packaged.




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