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

olsen sesselastronaut at googlemail.com
Fri Apr 16 05:56:30 EDT 2010


Roman Haefeli wrote:
> On Wed, 2010-04-14 at 15:57 +0200, olsen wrote:
>> Roman Haefeli wrote:
>>> On Tue, 2010-04-13 at 20:15 +0200, olsen wrote:
>>>> strange - this means the sony ps3 works for you?
>>> Yup. Make sure to have libv4l-dev installed, update gridflow sources and
>>> compile it again. Here it works when choosing 'libv4l1' in the [#camera]
>>> dialog.
>> hm these are exactly my setting...
>> & the video looks like this:
>> http://hasa-labs.org/tmp/ps3camera.mov
>> ø
> 
> Ah, I had similar "effects" once as well, after having the camera turned
> on and off again several times. 
> 
> 2 more things to check:
> 
> - I had a resolution with 640x480, your video is 1280x960. Either you
> had toggled the [shunt] on, so that video goes through [scale_by] object
> or you still have an older version than me (where the default in
> #camera-help.pd is with upscaling, where in the really new svn checkout
> the default is without).
ah i actually did 2 testings - so the video i uploaded was from a 3 day old cvs version where the size was still 
high-res by default. but the 'effect' was the same for both...
> 
> - The video mode setting for the pseye I used when testing was 640x480
> at 30fps (I guess it is videomode=1). Have you tried a different
> setting?
that's it maestroñe - guess i had some old settings...
now it works fine!
cheers & merci mille
ø





> 
> Roman 
> 
>  
>>> Roman
>>>
>>>
>>>> Roman Haefeli wrote:
>>>>> On Sat, 2010-04-10 at 18:45 +0100, Claude Heiland-Allen wrote:
>>>>>> Mathieu Bouchard wrote:
>>>>>> [snip]
>>>>>>> "api libv4l1" opens [#io.videodev] with Hans de Goede's libv4l. 
>>>>>>> Apparently, this introduces v4l2 support to GridFlow, as well as pretend 
>>>>>>> that the camera driver supports RGB (autoconvert), etc.
>>>>>> Works for me on an HP laptop with built in webcam :)
>>>>>> The default v4l1 didn't work, but libv4l1 does, with:
>>>>>> claude at zebimus:~$ dmesg | grep -i uvc
>>>>>> [   14.878523] uvcvideo: Found UVC 1.00 device HP Webcam (064e:a102)
>>>>> The same here, libv4l1 works, v4l1 not, with:
>>>>> ID 1415:2000 Nam Tai E&E Products Ltd. or OmniVision Technologies, Inc.
>>>>> Sony Playstation Eye
>>>>>
>>>>> This is great. This means that any camera supported by v4l1 or v4l2
>>>>> works with gridflow, right?
>>>>>
>>>>> Roman
>>>>>
>>>>>
>>>>>> [snip]
>>>>>>> those who use svn, could you please test this soon, so that we can have 
>>>>>>> a release with this... thanks.
>>>>>> I think #camera-help.pd could do without the [#scale_by] (as 640x480 * 2 
>>>>>> = 1280x960 which is big!), also it took a few tries to realize that 
>>>>>> inside [#camera] I have to select API first, then device, then 
>>>>>> resolution - easy when you know how.
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>>
>>>>>> Claude
>>>>> _______________________________________________
>>>>> Gridflow-dev mailing list
>>>>> Gridflow-dev at lists.artengine.ca
>>>>> http://lists.artengine.ca/cgi-bin/mailman/listinfo/gridflow-dev
>>>
> 
> 

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