[pvrusb2] Audio/video sync (was re: Jumpy Video in Mythtv)

[Mark Goldberg]

On 7/24/07, Mike Isely <isely at isely.net> wrote:
>
> There used to be real problems like this with older versions of the
> pvrusb2 driver.  But it should be basically cleaned up since roughly
> last December (i.e. any standalone driver since then or the 2.6.21
> kernel or later).  The cx23416 capture chip is extremely fickle.  I had
> to do some fairly arcane stuff via its API back then to fix those
> issues.  I suppose it is possible that it still isn't quite right, but
> honestly I haven't had a lot of feedback to that effect.  When people
> inquire about this sort of frame dropping / distortion, it ends up being
> that they are running an old pvrusb2 driver.  The version of the cx23416
> firmware didn't seem to matter, but the pvrusb2 driver version did.  So
> I'm a little puzzled here.

It's definitely built from pvrusb2-mci-20070428a. The v4l modules are from the
2.6.20-1.2962.fc6 fedora 6 kernel because of the problems with the
atrpms updated kernel
modules I described before.

As I said, most of the time it works perfectly, so I don't know what
else to say either.

Mark