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[WINDOWS] GPU assisted video decoding in XBMC for Windows via a custom DXVA renderer? - Printable Version

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- tetsuo55 - 2009-06-22

BrokenCodes Wrote:My implementation consists of a simple wrapper, to use the mpc-hc decoder. My suspicion is that some cards will have issues.
Hi, will this work with the mpc-hc standalone decoder from the mpc-hc website or have you made a custom version of the decoder?

- waldo22 - 2009-06-23

CrashX Wrote:04:26 Changeset [21185] by yuvalt
create branch for directx and (hopefully) dxva

Well, that will certainly make things easier, anyway.

Cool!

Thanks yuvalt!

OFFTOPIC-
So if the video renderer gets fully ported to DirectX, does that mean that the xbox visualizations and screensavers will work with the Windows version?

-Wes

- spiff - 2009-06-23

if somebody ports them, yes. xbox dx != dx

- tetsuo55 - 2009-06-23

I'm not 100% if that's it.

but as far as i know DXVA requires DirectX surfaces, thus the need for (partial) DirectX support.

- DGMurdockIII - 2009-06-24

http://en.wikipedia.org/wiki/Unified_Video_Decoder

http://en.wikipedia.org/wiki/NVIDIA_PureVideo

- tetsuo55 - 2009-06-25

DGMurdockIII Wrote:http://en.wikipedia.org/wiki/Unified_Video_Decoder

http://en.wikipedia.org/wiki/NVIDIA_PureVideo
Those links are usefull if you want to check if your ATI or NVIDIA card supports VC1 and/or h264 bitstream decoding.

Also some Intel chips are supported for h264.

- anibanani - 2009-07-09

How's it going with your work BrokenCodes? Smile

- Jimb0 - 2009-07-11

I´m new here but I would like to say how awsome you are that you are working on implementing DXVA in XBMC!

Keep up the good work.

- rwparris2 - 2009-07-11

Yea brokencodes keep it upp
also thanks for keeping us updated, u know how much we like 2 know ur progress

- kevcampbell - 2009-07-12

if xbmc starts to use dxva will my computer be louder when playing movies because of the graphics card?

- Jimb0 - 2009-07-12

sarahandkevin Wrote:if xbmc starts to use dxva will my computer be louder when playing movies because of the graphics card?
Not if you got a decent cooler on your GPU.
But you dont need to use DXVA if you dont want to.

- kevcampbell - 2009-07-12

oh right ok, cool, will there be an option to turn it on and turn it off?

i have a sapphire hd 4870 512mb

- natethomas - 2009-07-13

sarahandkevin Wrote:oh right ok, cool, will there be an option to turn it on and turn it off?

i have a sapphire hd 4870 512mb

Assuming it ever happens, I expect it'll look a bit like VDPAU in linux, where you can choose to use either the videocard or ffmpeg to decode.

- tetsuo55 - 2009-07-13

Most videocards stay cool with DXVA, it doesn't use shaders.

Although you can enable/disable DXVA in the settings, it will be enabled by default for all compatible files (with a fallback for non-DXVA files) if the current solution is still being considered.

- BrokenCodes - 2009-07-16

been a bit busy...
thebroken == Phillip Allison == me