minimal cpu for hd

[mirak63]

Hi,

I am wondering what is the minimal cpu to play 1080p movies.
is E5200 enough or should I go for E7400 ?

[Kano]

When you use vdpau with nvidia series 8 or 9 (best 512 mb vram) both cpus are fast enough.

[mirak63]

thanks, but at the begining, in case vdpau is not reliable or implemented I prefer know what I need to fallback.

[Hephasteus]

Hi,

I am wondering what is the minimal cpu to play 1080p movies.
is E5200 enough or should I go for E7400 ?

With a decent video card. Single core Atom. 1 ghz amd athalon, 1.8 ghz celeron. Anything really.

[mirak63]

is it hard to read the topic subject ?

[Kano]

For software only and 1080p then you should use least a cpu with 3 ghz. But if you are lucky you can oc the cpu to that level...

[bridgman]

mirak63, just to be clear do you mean no GPU decode acceleration, or no GPU render acceleration (Xv, OpenGL) as well ?

Your wording implies the second case, ie outputting to x11 or something, is that correct ?

[mirak63]

I don't see where my wording implies renderer acceleration :)

However I still can tell you I can't play a 1080p video with a q9300 and opengl acceleration, while with xv it's ok. (but there is tearing)

[bridgman]

I don't see where my wording implies renderer acceleration :)

Oh good, that's what I thought too :D

However I still can tell you I can't play a 1080p video with a q9300 and opengl acceleration, while with xv it's ok. (but there is tearing)

OpenGL will always have higher overhead than Xv for video playback; the GL output is just a useful short-term solution.

On the good news front, it looks like there is progress in standardizing sync-to-vblank in the framework; in this case in DRI2. Scroll down to "painflipping" :

http://virtuousgeek.org/blog/index.php/jbarnes/2009/02/20/distro_change_aamp_pain_wpageflipping

[Hephasteus]

is it hard to read the topic subject ?

NO but it's really hard to decode with a CPU. Which is why people generally don't do it.