G5 PowerMac Video Card

[res-res]

I am currently doing a film degree and I have been slowly upgrading my G5 PowerMac, it is perfectly fast enough to edit standard definition video, however it will not play HD video smoothly so I dread to think what editing HD footage would be like.
Would an upgrade of my graphics card stop it playing so jerkily or is HD just not possible on a G5 (its current specs can be seen in my sig)?
Currently I have the stock ATI Radeon 9600 card with 128MB of VRAM, would a Radeon 9650 with 256MB of VRAM solve the problem, or does anyone have any advice on other video cards?

Thanks,
res-res

 

[OrangeSVTguy]

Graphics card won't help. It's the CPU that's causing it to lag. Just so you know, my Quad has a hard time playing my 1080p BD rips. It has the power to play them, so I guess it's just the driver or something in the PPC architecture as my 2.0ghz core duo Macbook Pro can handle the same 1080p rips just fine as well as my Mini.

 

[Porthos38]

My PowerMac G5 2.0DP 2GB Radeon 9800, playing Blu ray rips and 1080p fine.
try using VLC player to playback video

 

[leekohler]

My PowerMac G5 2.0DP 2GB Radeon 9800, playing Blu ray rips and 1080p fine.
try using VLC player to playback video

Yep- VLC should take care of that. The problem is the version of Quicktime we've been left with. I have a dual core 2.0 G5 8 gigs of RAM with a 256 Radeon x1900 and it plays and edits HD just fine- FCP and iMovie HD work perfectly.