On Fri, 28 Jan 2011 10:25:36 +0100 Primoz PETERLIN <primozz.peter...@gmail.com> wrote:
> Thank you for your reply. v4lctl from the xawtv package indeed seems > to be the tool I need, although I haven't quite mastered it yet. I > can see the values in "v4lctl list" changed after I issue "v4lctl > bright" or "v4lctl contrast" command, but the video signal captured by > lavrec seems unaffected by it. Curious. I think it should work fine. I don't have any Zoran card running at the moment, and can't experiment with it. Regards, /Martin > > All the best, > Primož > > 2011/1/24 Martin Samuelsson <s...@home.se>: > > On Mon, 24 Jan 2011 14:39:48 +0100 > > Primoz PETERLIN <primozz.peter...@gmail.com> wrote: > > > >> Hello everybody, > >> > >> Once again, I need to digitize some old tapes, so I reactivated my > >> trusty mjpeg-tools. :) > >> > >> However, I noticed some of the tapes come out rather washed out when > >> digitized, i.e., white is almost saturated, and it is difficult to > >> discern any details (my tapes originate from a phase-contrast > >> microscope, so they are grayscale to start with). Do the Zoran-type > >> cards (I am using DC30) allow any software control over gain and/or > >> offset? Is there any user-level possibility to change these settings? > > > > v4lctl may be what you're looking for, and specifically its bright and > > contrast commands. > > > > Regards, > > /Martin > > > >> > >> Thank you in advance, > >> Primož > >> > >> -- > >> Primož Peterlin, Inštitut za biofiziko, Med. fakulteta, Univerza v > >> Ljubljani > >> Lipičeva 2, SI-1000 Ljubljana, Slovenija. > >> primoz.peter...@mf.uni-lj.si > >> Tel +386-1-5437612, fax +386-1-4315127, > >> http://biofiz.mf.uni-lj.si/~peterlin/ > >> F8021D69 OpenPGP fingerprint: CB 6F F1 EE D9 67 E0 2F 0B 59 AF 0D 79 56 > >> 19 0F > >> > >> ------------------------------------------------------------------------------ > >> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! > >> Finally, a world-class log management solution at an even better > >> price-free! > >> Download using promo code Free_Logger_4_Dev2Dev. Offer expires > >> February 28th, so secure your free ArcSight Logger TODAY! > >> http://p.sf.net/sfu/arcsight-sfd2d > >> _______________________________________________ > >> Mjpeg-users mailing list > >> Mjpeg-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/mjpeg-users > > > > ------------------------------------------------------------------------------ > > Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! > > Finally, a world-class log management solution at an even better price-free! > > Download using promo code Free_Logger_4_Dev2Dev. Offer expires > > February 28th, so secure your free ArcSight Logger TODAY! > > http://p.sf.net/sfu/arcsight-sfd2d > > _______________________________________________ > > Mjpeg-users mailing list > > Mjpeg-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/mjpeg-users > > > > > > -- > Primož Peterlin, Inštitut za biofiziko, Med. fakulteta, Univerza v Ljubljani > Lipičeva 2, SI-1000 Ljubljana, Slovenija. primoz.peter...@mf.uni-lj.si > Tel +386-1-5437612, fax +386-1-4315127, http://biofiz.mf.uni-lj.si/~peterlin/ > F8021D69 OpenPGP fingerprint: CB 6F F1 EE D9 67 E0 2F 0B 59 AF 0D 79 56 19 0F > > ------------------------------------------------------------------------------ > Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! > Finally, a world-class log management solution at an even better price-free! > Download using promo code Free_Logger_4_Dev2Dev. Offer expires > February 28th, so secure your free ArcSight Logger TODAY! > http://p.sf.net/sfu/arcsight-sfd2d > _______________________________________________ > Mjpeg-users mailing list > Mjpeg-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mjpeg-users ------------------------------------------------------------------------------ Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
