[Info-vax] Audio and video technology, was: Re: getting pixel dimensions of monitor

[VAXman- at SendSpamHere.ORG]

In article <kerhcn$jbt$1 at dont-email.me>, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>On 2013-02-05, VAXman-  @SendSpamHere.ORG <VAXman- at SendSpamHere.ORG> wrote:
>> In article <38b648d2-c430-4253-a60b-4b189920c08e at ia3g2000vbb.googlegroups.com>, AEF <spamsink2001 at yahoo.com> writes:
>>>On Feb 5, 8:47=A0am, Simon Clubley <clubley at remove_me.eisner.decus.org-
>>>Earth.UFP> wrote:
>>>> On 2013-02-04, AEF <spamsink2... at yahoo.com> wrote:
>>>>
>>>> > On Feb 3, 8:50=A0am, hel... at astro.multiCLOTHESvax.de (Phillip Helbig---
>>>> > undress to reply) wrote:
>>>>
>>>> >> The numbers come from trial and error. =A0Using them on a different
>>>> >> monitor sometimes results in stretched images, so the ratio is probabl=
>>>y
>>>> >> not the same. =A0Is there some standard way to find out what the ratio
>>>> >> really is? =A0(Probably not, otherwise one could set it on the fly.)
>>>>
>>>> > Uh oh, another case of aspect-ratio disease! Phillip, I wish you luck
>>>> > on your endeavor to eradicate this instance of the disease. But it's a
>>>> > plague. I've even seen TV's (LG's) with the picture over-stretched!
>>>> > That means it would have fit as is but was somehow stretched even
>>>> > more.
>>>>
>>>> The information Phillip needs is encoded in the EDID structure on modern
>>>> monitors. On a modern OS (ie: Linux) that information is read automatical=
>>>ly
>>>> and the graphics controller configures itself as required; there are no
>>>> aspect ratio problems at the native resolution.
>>>
>>>Score one for Linux.
>>
>> Really?  Then why did I recently spend 2 days dicking about with getting the
>> video to work properly when I upgraded???  It's now working at 1920x1080 but
>> it didn't happen/configure all by itself!
>>
>
>Your old settings were probably retained because a manually configured
>setting overrides the automatic detection even across monitor changes.

My old settings were 1920x1080.  So by your theory, this should have just
worked.  Not.

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