Thanks Jaromil.
Tonight I'll try some tricks during our weekly meeting at Terni GNU
Linux User Group ;)
Cheers
On Wed, Dec 2, 2009 at 4:39 PM, jaromil <jaromil@???> wrote:
> >
> re all,
>
> On Tue, Dec 01, 2009 at 12:31:58PM +0100, Federico Allegretti wrote:
>
>> There will be a way to identify supported resolution of a specific
>> /dev/video# device, to be able to identify a common resolution for
>> the various device we load as a video layer on freej?
>
> yes. that is using the format /dev/video0%WIDTHxHEIGHT in commandline
> please not the % percent sign following the device
>
> also you can use javascript and set the size in the constructor
>
> the -s switch is about FreeJ's output screen, not about grabbing size
>
>> I used:
>> freej -s320X200 /dev/video0 (and works)
>> freej -sanyWXanyH /dev/video1 (i tryied some standard resolution with no
>> luck)
>>
>> obviusly
>> freej -s320X200 /dev/video0 /dev/video1 does'n work :(
>
> yes, in this case you should use for instance
>
> freej -s640x480X200 /dev/video0%320x240 /dev/video1%320x240
>
> the problem with compatibility of various devices, that also Dmitry is
> mentioning, is mostly due to the linux kernel drivers supporting the
> camera as well the libraries FreeJ uses for them.
>
> in the latest GIT version we are supporting both "libunicap" and
> "opencv" as live video card grabbers, with priority to opencv when
> present. this seems to work well on most webcams, but there are
> current known bugs:
>
> 1- opencv compilation conflicts with inttypes.h declaration, this can
> be quickly fixed by hand, while we submitted a patch to opencv
> developers which has been integrated in 2.0 and will appear on
> distributions some time soon.
>
> 2- opencv 1.0 does not supports specifying a size for the grabbed
> video, which always results in grabbing at maximum size available.
> I've made several attempts at fixing this without results, please
> let us know if you have good experience of opencv and this issue.
>
> i hope you will find more solutions and share them with us.
>
> ciao
>
> - --
> jaromil, dyne.org developer, http://jaromil.dyne.org
>
> GPG: B2D9 9376 BFB2 60B7 601F 5B62 F6D3 FBD9 C2B6 8E39
>
>
> > _______________________________________________
> Freej mailing list
> Freej@???
> http://mailinglists.dyne.org/mailman/listinfo/freej
>
--
Messagenet VOIP: 5338759
My blogs: http://altri-media.blogspot.com/
http://subbaqquerie.blogspot.com/
YouTube Channel: AllegFede
