[Gridflow-dev] new [#camera] in GridFlow 9.9

olsen sesselastronaut at googlemail.com
Thu May 20 08:36:17 EDT 2010

On 05/17/2010 10:50 AM, Roman Haefeli wrote:
> Yo again
> I tried it again on a fresh GridFlow on a fresh Ubuntu Lucid.
> The symptoms are still there. I found that the distortion only happens,
> if [metro]'s rate is lower than the camera rate. Sometimes even if the
> [metro] rate is the same as the camera rate, you get the distortion, but
> then you can get rid of it by manually clicking the [bng].
> @Olsen
> You can check this by setting the camera to 'videomode=1' a.k.a 30fps.
> Then start the [metro 33]. When you change the [metro] rate to something
> above 33, you will get distortion (more or less quickly, depending how
> much slower you make the [metro]). When feeding it with a number below
> 33, the distortion goes away.

joup seems like it's working now here too even on -rt kernel!
thanks & salutis

> Can this behaviour be described as a 'buffer overflow'? In Gem it is
> possible to have the [gemwin] rate be lower than the camera rate without
> getting artefacts. So it seems that it is specific to GridFlow.
> Roman
> On Tue, 2010-04-20 at 12:45 +0200, olsen wrote:
>> Mathieu Bouchard wrote:
>>> On Wed, 14 Apr 2010, olsen wrote:
>>>> &  the video looks like this:
>>>> http://hasa-labs.org/tmp/ps3camera.mov
>> hm strangely enough i get the 'effect' again and can't get it rid of it even with setting the videomode=1 aka 640x480 at 30
>> fps what worked last time...
>>> do you have to click a size every time you open the camera ?
>> no i just use the default size of current svn (480x640)&  changing size doesn't change to much in the picture (except
>> the size of course)
>>> if not, then does it do the problem only when you have last closed the
>>> camera with a different resolution than the default size that gridflow
>>> picks ?
>> at the moment i get the problem ev'ry time on opening #camera
>>> is it acting the same across all colorspaces ?
>>> click y, yuv, rgb, rgba, magic.
>> jep
>>>   _ _ __ ___ _____ ________ _____________ _____________________ ...
>>> | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801

ETs DNA will not be televised

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