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177 posts

Master Geek

#22841 10-Jun-2008 09:57
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Well I am trying to get Hardware acceleration to work in mediaportal.  I have got a Dell XPS M1330, 2.5GHz Dual, 4GB Ram, 250GB HDD. Also AVerMedia Hybrid, and a GeForce 8400M GS (latest drivers according to Windows Update). Also using the PowerDVD Codec (Just trial version, want to get it to work before $$).

I have been using the CoreAVC codec, but does not support Hardware Acceleration so CPU has been 80% ish watching 1,2,3

First is this card fully capable of Hardware Acceleration for all the channels (esp 1,2,3) Because at this stage, I am a able to watch all but the "true" HD channels (1,2,3 and Freeview | HD). At this stage the audio on these channels is fine, but the video is not even close to being in sinc and is very slow (would put is at about 10FPS sort of stuff).

This happens when I have set it to EVR in MediaPortal.

When I set the settings to VRM9 I can't see the image at all (with new drivers, old drivers work fine) but CPU usage is about 25% for C4 etc, and 60% for TV3.

So am I going to have to go back to the old drivers and use VRM9, or is there some way to get EVR working for TV1,2,3 which would be great.

Thanks for all the help!,

P.S Have Windows Vista Business SP1

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675 posts

Ultimate Geek


  #136915 10-Jun-2008 10:11

I can't help with whats going on sorry, but I can tell you the 8400M-GS has full H.264 decoding as per here

Edit: Actually, in PowerDVD's codec settings is hardware decoding turned on? I remember I installed PDVD8 and it was turned off by default

177 posts

Master Geek

  #136919 10-Jun-2008 10:15
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Under the video tab, I have checked the Enable Hardware Acceleration (nVidia Pure Video) option, so if I don't have to do anything else then yes, lol


675 posts

Ultimate Geek


  #136925 10-Jun-2008 10:18

Yeah thats the one lol, sorry out of ideas then! You could try posting on media-portals forums as well, theres quite a large thread there for NZ users with some smart cookies

177 posts

Master Geek

  #136929 10-Jun-2008 10:26
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In that 150 page post? lol ok.. Thanks anyway Smile

28820 posts

Uber Geek

Biddle Corp
Lifetime subscriber

  #136950 10-Jun-2008 10:55
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You need a card that has "H.264 Decode Acceleration with IDCT and CAVLC/CABAC" to get our DVB-T to work. I don't believe the 8400 support this. Unfortunately NVidia's H.264 acceleration on most earlier cards won't accelerate all H.264 content.

675 posts

Ultimate Geek


  #136952 10-Jun-2008 11:01

8400M-GT and GS support it sbiddle, 8400M-G doesnt - according to the link you pasted anyway :P

Strange that nvidia doesnt offer driver downloads for the 8400 series on their website...

348 posts

Ultimate Geek

  #136982 10-Jun-2008 12:30
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A few suggestions:
1. I remember with the PowerDVD8 trial the h264 codec is not registered and therefore not useable until you register it manually
you can find info on that somewhere i these forums,
you need to open command promt and type:
regsvr32 C:\Program Files\Powerdvd8\codecs\ (not correct just to give you an idea- cant remember what folder the codecs are in should be obvious enough but the is the one you are after)

2. Have you selected the right codec undere MediaPortal configuration, there will be a choice of a few. If powerdvd codec is not registered it will not appear in the list. It should read PowerDVD8 or something like that.
Settings for this are under the television tab in mediaportal config

Ps EVR is the right setting for using vista and mediaportal.


177 posts

Master Geek

  #136991 10-Jun-2008 12:50
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as my H.264 Decoder it is:

CyberLink H.264/AAC Decoder (PDVD8)

And I believe this is the correct codec right? I also tried to register (Path: C:\Program Files\CyberLink\PowerDVD8\VideoFilter\ But it spewed up an error on the lines of " was loaded but the call to DllRegisterServer failed with error code 0x80070005"

BTW thanks for the help! I also posted in MediaPortal Forums but they are stumped too :(

177 posts

Master Geek

  #137069 10-Jun-2008 17:01
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I installed GB-PVR to try it out and basically got the same result, with TV 1,2,3 being average (slow fps) but all the other channels alright.  This is when I try use EVR and PDVD8 codec for Hardware Acceleration.

Software decoding seems fine, just CPU up around 80% Frown

So it either something with the codec/GFX card (GeForce 8400m GS)

722 posts

Ultimate Geek

  #138075 14-Jun-2008 23:18
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Just a thought. You could also check the Nvidia forums for an answer.

Silverstone LC14 HTPC Case/Intel E4600 CPU/GA-EP35-DS3 MOBO/Asus EN9500GT graphics/2GB RAM/total 2TB HDD space/HVR-2200 & 2X 150MCE tuner cards/LG GGC-H20L BD Drive/MCE2005/Mediaportal/TVServer 1.1.0Final/LG 55"3D LED-TV/Denon AVR-1803 receiver/X1 projector

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