[pvrusb2] Poor analog picture on HVR-1950 after upgrade to 2.6.28 kernel

[fivenote]

Mike,

The striping may be due to the player. I get the same striping in
MythTv, but it's less obvious in mplayer, which is what I used in my
sample.

On Fri, Jun 12, 2009 at 4:17 PM, Mike Isely<isely at isely.net> wrote:
> On Thu, 11 Jun 2009, fivenote wrote:
>
>> Scott's video sample looks like the same problem I reported here.
>>
>> Thanks Scott!
>
> No, I think he's seeing a different problem.  Notice the vertical
> striping in the picture.  I didn't see that in Vincent's sample.  Also
> in Scott's case the distortion is different - the whole image is there
> but it's squished a bit due to the vertical bar on the left. The caption
> at the bottom of the video clip is suggestive that the image is in fact
> complete, i.e. not clipped to the right.
>
> Scott:
>
> I need to know which kernel version you are using and if you are using
> the stock pvrusb2 driver that came with that kernel.  (If not, then
> which driver snapshot and/or if you've also pulled in a v4l/dvb
> repository.)
>
> Yes I agree this looks like a screwup with the video standard.
> Encoding of luminance data is essentially the same between PAL and NTSC
> (if you discount 50Hz vs 60Hz), however the color component is encoded
> differently between the two standards.  A B&W image with that overlaid
> color striping is what I've seen before when there's a PAL vs NTSC
> problem.
>
>  -Mike
>
>
> --
>
> Mike Isely
> isely @ isely (dot) net
> PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8
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