I realized that my message got posted under the wrong thread... I use NTSC and it always has been a problem (even when I use the tuner input). I use a cable box from my TV provider.
Any idea of when you have time to look at this issue? It sounds like you are very busy. Anything I can try? Thanks, Joe --- On Thu, 2/12/09, Andy Walls <[email protected]> wrote: > From: Andy Walls <[email protected]> > Subject: Re: [ivtv-users] CX18: Black and white horizontal line with HVR-1600 > To: [email protected], "User discussion about IVTV" > <[email protected]> > Date: Thursday, February 12, 2009, 10:45 PM > On Thu, 2009-02-12 at 17:11 -0800, k niemand wrote: > > I have a HVR-1600 card and installed the latest > driver. I use the > > latest Ubuntu distribution. Composite input works fine > apart from an > > annoying black and white horizontal line at the top of > the picture. I > > tried the --set-crop option using v4l2-ctl (v4l2-ctl > > --set-crop=top=1), but the responds I get is > "VIDIOC_G_CROP: failed: > > Invalid argument". > > The driver doesn't really support the crop ioctl. It > provides a stub > that goes through some trivial motions, but then always > returns -EINVAL. > > > > Does anyone have any ideas of how to get rid of this > line? > > Well, I have to fix the driver to get rid of it. > > That line is part of the Vertical Blanking Interval; the > white areas are > data that's being sent (like CC over NTSC or VPS or > Teletext for other > video standards). The wrong values for vblank and vactive > may be being > used in the cx18-av-core.c file. > > Are you using PAL, SECAM, or NTSC? Is this a new problem, > or one that > you have always had? What is the composite video source: a > VCR, a cable > convertor, or something else? > > Regards, > Andy > > > > Thanks, > > Joe _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
