Sounds OK to me, makes a lot of sense. It can easily be changed by those
who need the better definition. I don't use video on my thin clients.
Peter
On Mon, Mar 26, 2012 at 9:05 AM, Alkis Georgopoulos <alk...@gmail.com>wrote:
> By default, X_COLOR_DEPTH is 32 for thin clients, which means that a
> 320x240 youtube video needs 73.728.000 bps bandwidth (30 fps, 32 bpp).
>
> Setting X_COLOR_DEPTH=16 for thin clients makes that video need exactly
> half the bandwidth, i.e. 36.864.000 bps.
>
> Of course that doesn't only affect videos. Any thin clients screen
> updates need half the bandwidth with X_COLOR_DEPTH=16.
>
> Less bandwidth means faster responses, less CPU usage (especially with
> the default LDM_DIRECTX=False), and support for more clients with the
> same CPU/LAN constrains.
>
> So I propose a change in upstream LTSP to set X_COLOR_DEPTH=16 by
> default, if:
> * LTSP_FATCLIENT is not set (fat clients would still default to 32),
> * LOCAL_APPS_MENU is not set (so 32 for localapps browsers too),
> * X_COLOR_DEPTH is not set at all (so X_COLOR_DEPTH="" in lts.conf
> reverts to the old behavior).
>
>
> Is that what most LTSP users would like? Comments, please... :)
>
> If not, then I'll implement an X_COLOR_DEPTH=auto instead, which would
> give the above behavior (16 on thins, 32 on fats/localapps) only when
> requested from lts.conf.
>
>
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--
Peter D Knight
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