Archived from groups: alt.comp.periphs.videocards.nvidia (
More info?)
No One Realy wrote:
>
> Iam using a Mibile barton 2500 at 2.4 ghz and a 6600gt. And have no
> realy problems playing HD clips either 720p or 1080i/ Some of the high
> mbs/s ones struggle. But seemed to be fixed now after i did a full
> reinstall.
>
> I did have a problem with codecs so i did a reinstall. Some just did
> not like to be played in Mediaplayer 10. But worked fine in VLC
> player. So i would suggest play them in VLC player and they woukld
> play fine if they dont work in Mediaplayer
>
>
> My pc is connected to my 86cm WS HD TV an all i can say the picture is
> very very very nice :0
>
> Good luck and any questions please ask. Ill try to help.
>
> /ps i also tried the Nvidia Purvideo coded and on my system it used
> somthng liek 40% of the cpu time playing 1080i clips. But now that its
> time limit is up iam back to other codecs now
>
> Bye.
>
>
>
> On Tue, 20 Sep 2005 22:53:33 -0500, deimos <duralisisNO@SPAMyahoo.com>
> wrote:
>
>
>>deimos wrote:
>>
>>>Kill Bill wrote:
>>>
>>>
>>>>"deimos" <duralisisNO@SPAMyahoo.com> wrote in message
>>>>news:Jk2Ye.651$845.390@fe03.lga...
>>>>
>>>>
>>>>>Phil Weldon wrote:
>>>>>
>>>>>
>>>>>>'deimos' wrote, in part:
>>>>>>| I have a 6600GT that's supposed to accelerate HD WMV and MPEG-2
>>>>>>| playback, but I can't seem to get it to work. I've even tried the
>>>>>>| PureVideo trial, but even then WMV HD playback still uses 100% CPU
>>>>>>and
>>>>>>| skips frames.
>>>>>>_____
>>>>>>
>>>>>>High Definition playback acceleration isn't the same as hardware
>>>>>>decoding, and could mean nothing more than slightly improved quality
>>>>>>of playback, rather than significantly reduced CPU load.
>>>>>>
>>>>>>Phil Weldon
>>>>>>
>>>>>>"deimos" <duralisisNO@SPAMyahoo.com> wrote in message
>>>>>>news:No%Xe.592$845.122@fe03.lga...
>>>>>>
>>>>>>
>>>>>>
>>>>>>>I have a 6600GT that's supposed to accelerate HD WMV and MPEG-2
>>>>>>>playback, but I can't seem to get it to work. I've even tried the
>>>>>>>PureVideo trial, but even then WMV HD playback still uses 100% CPU
>>>>>>>and skips frames.
>>>>>>>
>>>>>>>So far I've been using the 1080i WMV-HD trailers. I don't know of
>>>>>>>any HD MPEG2 to try out. 720p content plays back fairly easily and
>>>>>>>did so even before. But it still uses a lot of CPU, moreso than a
>>>>>>>Divx or XVid with full post processing or a DVD.
>>>>>>>
>>>>>>>Should 1080i playback be possible with acceleration on a XP 2500
>>>>>>>Barton? For reference, I'm using FW 78.03.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>The GPU itself is supposed to offload much of the decoding from the
>>>>>CPU on the GF6. See the tech brief for "MPEG-2 Hardware
>>>>>Acceleration" and WMV HD acceleration.
>>>>>
>>>>>http://www.nvidia.com/page/purevideo.html
>>>>>
>>>>>And if you use the NVIDIA decoder for DVD's and HD content, it's
>>>>>supposed to have much better pulldown and deinterlacing as well as
>>>>>some very nice image filters (supposedly supported by GPU features
>>>>>and not all software).
>>>>>
>>>>>The requirements for all this are listed here:
>>>>>
>>>>>http://www.nzone.com/object/nzone_purevideo_requirements.html
>>>>>
>>>>>Now I meet or exceed all of that and I'm not seeing an effect. I
>>>>>know from other peoples comments (especially on NVNews and Beyond3D)
>>>>>that the hardware decoding performance has increased drastically
>>>>>since the first 6x.xx driver release to support it and has been a
>>>>>major factor for HTPC builders.
>>>>>
>>>>>Now I can't figure out if there's a registry setting missing from the
>>>>>78.03 drivers I'm using or what, but I'm not seeing a difference in
>>>>>WMV HD decoding over my previous FX5700 (which only supported
>>>>>deblocking in DVD players in VMR overlay).
>>>>>
>>>>>720p content plays fine, but it still uses 60-70% CPU, which is what
>>>>>an entirely software codec like x264 or Quicktime H.264 is like.
>>>>
>>>>
>>>>
>>>>http://www.hardwaresecrets.com/article/170 Maybe?
>>>>
>>>
>>>After disabling FFDShow completely and following the guide listed above,
>>>I can get DVD playback at about 2-4% CPU usage and the "NVIDIA Decoder"
>>>settings icon shows up (very nice deinterlacing). But...
>>>
>>>WMV HD playback is still bad. Still can't do 1080i without dropping
>>>frames. And 720p is still fairly high CPU usage.
>>
>>A little update:
>>
>>I was finally able to find some .m2t videos (MPEG-2 transport streams)
>>at 1080i and 1080p to test. Indeed the NVIDIA decoder is accelerating
>>MPEG2 decoding now. I get roughly 40-50% CPU usage depending on the
>>bitrate (6-10mbits/s). And the deinterlacing looks good on many clips.
>>
>>However WMV HD is still not visibly accelerated and all the trailers
>>I've tried on the MS HD content site cannot playback at 1080i/p without
>>dropped frames. All use 100% CPU. I'm not sure if it's just WM10 or what.
>
>
I found the problem, the default WMP 10 install is a little broke:
http://support.microsoft.com/default.aspx?scid=kb;en-us;888656
I guess I haven't done my automatic updates in a while.
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