On Sat, 11 Aug 2007 23:28:23 -0400 Michael Ellis <[EMAIL PROTECTED]> spake:
> > Hi folks. > > I am having a curious problem after performing an upgrade to 0.10.5. > Put simply, the audio works fine but I find my image is almost > completely indiscernible due to profound static-like artifacts. I > say "static-like" because it does not appear to be normal TV- > interference (I am using a cable connection). Indeed, it appears to > be caused by a configuration setting or firmware change which has > given the tuner some incorrect values. > > My system is equipped with two drives, and the configuration of this > upgraded drive is: > * Kernel: 2.6.20-gentoo-r8 > * IVTV: 0.10.5 with latest firmware > * Tuner Card: PVR500 > > It is important to note that I left my original configuration > untouched on a different hard drive. It continues to work just fine, > so I am certain this is a software problem. My other drive is > configured thusly: > * Kernel: 2.6.16-gentoo-r13 > * IVTV: 0.6.4 with firmware from that era > * Tuner Card: PVR500 > > I should mention that I am only using IVTV for this testing. > Specifically, I will first attempt to tune a channel and then capture > some video as shown: > % ivtv-tune -c 37 -d /dev/video0 -t us-cable > % cat /dev/video0 > test.mpg > > Clearly, we are working pretty close to the hardware in testing this > way. I have tried tweaking the frequencies manually using the "-f" > switch (+-0.5 MHz), but that has not improved the image at all. > > If I reboot the system from my original drive (the 2.6.16 kernel with > 0.6.4), everything works. Also, "dmesg" reports completely normal- > looking detection messages for the PVR500. > > Any ideas what might be causing the image distortion? > > Thanks! > -Mike Ellis > I think I had the same issue (although my PVR500 still sucks on the second tuner). The kernel change is possibly the issue. After 2.6.17 somewhere they turned on the amplifier (or turned it off - I can't remember) on the PVR500 which basically ruins the picture. I got around it by patching and rebuilding the kernel and turning it off. I believe I got it off someone on this list. Hope that helps _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
