[vlc] Re: Re : Use the GPU

[Wulf Bolte]

and exactly that would be the first steps into a real quicktime alternative

followed of frame by fram,e skipping, load external sound files and so on...

Danko Dolch schrieb:
> Hi Galen!
>  
> > Your graphics card isn't likely to make the video look any better.
>  
> What about hadware accelerated decoding, motion adaptive deinterlacing
> and GPU shader based filtering/compositing??
> One very simple thing - as far as I know there is no way of high
> quality image rezising even with things like MMX - today I only know
> GPU accelerated applications that can do this...
>  
>  
> >The only real reason you'd use the video card is if you can't play
> the video properly (i.e. it skips or stutters because your >CPU isn't
> fast enough) and hence need to reduce CPU usage - this is hardware
> acceleration.
>  
> If I have a GPU, I don't want to waste my CPU time with video tasks...
>  
> Without an hardware accelerated overlay surface none of todays CPU's
> can deal with high definition video.
> And even with - ever tryed to play a HD 1080p H.264 stream with
> 50MBit/s data rate (ever thought about e-Cinema requirements)??  -
> don't try this with VLC - no multi processor support like the
> Quicktime Player and no GPU support like Windows Media Player or
> commercial HD-DVD-Player software ;-)
>  
> Ok - I know about the problems of supporting GPU features like H.264
> decoding - but support of multible CPU's at least would be great...
> but imho the most faszinating possibilities are located around GPU
> shaders - color correction - denoise - compositing...
>  
> only some thought about the future of video processing...
>  
> best regards
>  
> Danko
>  
>
>     ----- Original Message -----
>     *From:* galenz at zinkconsulting.com <mailto:galenz at zinkconsulting.com>
>     *To:* Joe-la-Frite <mailto:byron_le_luron at yahoo.fr>
>     *Cc:* vlc at videolan.org <mailto:vlc at videolan.org>
>     *Sent:* Saturday, September 09, 2006 1:47 AM
>     *Subject:* [vlc] Re: Re : Use the GPU
>
>     Your graphics card isn't likely to make the video look any better.
>     The only real reason you'd use the video card is if you can't play
>     the video properly (i.e. it skips or stutters because your CPU
>     isn't fast enough) and hence need to reduce CPU usage - this is
>     hardware acceleration.
>
>     Look at the video output options under VLC's preferences. If
>     you're using Linux, make sure you have your video drivers setup
>     properly - if you you don't, or your card doesn't support the
>     modes you're trying to output, VLC will give errors or simply quit. 
>
>     Under Linux, see if you can use XvMC or OpenGL video output. XvMC
>     is fastest, as it uses hardware motion compensation for a
>     performance increase. OpenGL (if I recall) only uses your card for
>     colorspace conversion.
>
>     As for Windows, I don't use Windows, but I believe the basic idea
>     is the same - try different video output modules in the preferences.
>
>     -Galen
>
>     On Sep 8, 2006, at 4:04 PM, Joe-la-Frite wrote:
>
>>     I think the render will be nicer with the hardware than with an
>>     external software. Maybe I'm wrong...
>>     I'm using Windows XP (and Linux Kubuntu).
>>     Thank you.
>>
>>     Envoyé le : Jeudi, 7 Septembre 2006, 5h33mn 27s
>>
>>     Depends on the platform. VLC doesn't support the full hardware
>>     capabilities under all circumstances.
>>
>>     What platform are you using? What/why are you trying to use your
>>     hardware?
>>
>>     -Galen
>>
>>     On Sep 7, 2006, at 4:32 AM, Joe-la-Frite wrote:
>>
>>>     Hi everybody.
>>>
>>>     Can someone tell me how configure VLC to use the hardware of my
>>>     graphic card to deal with the video ?
>>>
>>>     Thanks a lot.
>>>
>>>     Byron
>>>
>>
>>
>>
>

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