[MPlayer-users] xv and colors

[Arpi]

Hi,

> The quality of xv is very bad - look as color quantization
> is too big - i.e. "overexposed colors". It is much worse than the

> 1) Is it possible to tune "brightness" and other params for xv
> hardware??
yes

> 2) Is ATI Rage Mobile a "bad" card and the quality has to be like this?
maybe.
i have HP Omnibook 500, it comes with same video chip, and has teh same
artifacts, ie red is too red (and has some saturation effect) on LCD.
i think the problem is that its YUV->RGB converter isn't designed for LCD,
if i connect a TV or CRT monitor it has correct picture/colors.
anyway i can change brightness/contrast/etc, both ati2 and xvidix.

> 3) Or is xv driver for linux "bad" and the card itself ok?
i don't think so, vidix driver and even win98 wmp has the same problems.

> 4) Comments?

Maybe it's not even the problem of the video chip(s), but the LCD/TFT
technology itself. Even still images has problems with color correctness.

Also, the same problem exists with video projectors, i recently tested some,
and there is a big quality (color) difference between LCD/TFT and DLP
methods in color corectness/contrast.


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu