Re: V4L2 backwards compatability

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On Mon, 17 Feb 2003, Billy Biggs wrote:

> David Findlay (david@xxxxxxxxxxxxxx):
> 
> > On Tue, 18 Feb 2003 12:11 pm, Wan Tat Chee proclaimed:
> > > Nope, it gives me a solid green screen now. :(
> > 
> > I get the same but only when I got to high resolutions like 720x576.
> > 320x288 works for example.
> 
>   This sounds consistent with the tvtime bugreports.  tvtime must grab
> all 576 scanlines (for PAL) to deinterlace correctly, and we default to
> 720 pixels per scanline, but apparently if we capture 200x576 or so
> things seem to work.  Sounds like a driver bug.

You're both right. I tried mplayer again, and now I can go up to something
like 550 x 288, 270 x 576, else 360 x 420 or thereabouts. They're all
around 150K pixels. Is there a memory window size limitation somewhere
that's causing this?

T.C.
----
Wan Tat Chee (Lecturer)
School of Computer Science, Univ. Science Malaysia,
11800 Minden, Penang, Malaysia.          Ofc Ph: +604 653-3888 x 3617
Internet: tcwan@xxxxxxxxx            Web: http://nrg.cs.usm.my/~tcwan
GPG Key : http://nrg.cs.usm.my/~tcwan/tcw_gpg.asc
F'print : FB0F CED7 85A5 ECF9 DEF0  50E8 A550 A0D2 8638 B1EB





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