Bug#528365: vlc: VLC has serious problems showing xvid and h264 videos

Christophe Mutricy xtophe at chewa.net
Tue May 12 13:05:20 UTC 2009


Hello,

>
> VLC is showing all videos incorrectly (so far I have tested with xvid and
> several h264-encoded videos). The video is shown in gray-scale, and
> horizontally squashed so that it only occupies the left-most quarter of the
> VLC window.
>
> I can fix this problem by purging VLC and related packages, and then
> installing the version from Lenny. But as soon as I upgrade VLC to Testing or
> Unstable, the problem returns.
>
> I have also tried everything recommended by 'reportbug vlc'. FYI, it asked me
> to run "vlc -vvv --options", but that failed because of missing options after
> "--options", so I took that out.

I was wanting to say -vvv <your usual options> But that is obvioulsy
not clear because you're the third person to have trouble with this
wording. So I'll change it in next upload.

> I have attached the output of "vlc -vvv", where I dragged a downloaded
> youtube video onto the
> VLC window after starting up VLC.

00000463] xvideo video output warning: no free XVideo port found for
format 0x30323449 (I420)
[00000463] xvideo video output warning: no free XVideo port found for
format 0x32595559 (YUY2)
[00000463] xvideo video output warning: no free XVideo port found for
format 0x36315652 (RV16)

These lines are interesting. Either you're using a very old video card
and driver, either there is something wrong either with Xorg or your
video card driver.

So vlc revert to the slow x11 video output insated of xvideo. But that
doesn't explain all. It should be slow but correct. not the quarter
greyscale image.
With the lenny package, does it use xvideo or x11 ?

Do other player like mplayer use xvideo or x11?


Are you using compiz ? if yes can you try with -V opengl




--
Xtophe





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