[vlc] Re: Non linear cpu consumption by multiple VLCs

[Christophe Massiot]

On Mon, Mar 03, 2003, brian at worldcontrol.com wrote:

> Summary: 4 vlc process take 50% of CPU, 5 take 95%
> 
> Details:
> 
> When I start 4 vlc processes decoding the same 3.6mbps multicast
> stream with the dummy/null video output module all goes as I
> would expect.
> 
> On my AMD XP2000 processor the vlcs takes up about 50% of the CPU.
> In fact, from 1 to 4 vlcs CPU usage is very linear.
> 
> However, when I start the fifth vlc, CPU usage goes to 95%.

Probably, your video card only supports four YUV overlays, so the fifth
one does software RGB.

-- 
Christophe Massiot.
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