On Friday 07 October 2005 21:31, Christophe Massiot wrote:
> On Wed, Sep 28, 2005, Christophe Massiot wrote:
> > I have a machine where /dev/video0 becomes empty when I start
> > ivtv-radio. It is clearly machine-specific because the same card with
> > the same kernel and driver in another machine doesn't produce the
> > problem. Here are the logs with ivtv_debug=0x1f, the last lines seem
> > pretty related, but I don't know the driver enough to find the problem.
> > It looks as though the MPEG encoder stopped working in radio mode. I
> > have always had the problem on this machine with several kernel versions
> > (including 2.4.31) and versions of ivtv as far back as 0.3.6z (the first
> > with radio support). I have also tried ivtv_dynbuf=1 which didn't make
> > a difference. At first I noticed that the PCI card was sharing the IRQ
> > with the Ethernet chip so I moved the card so that it gets IRQ 5 for
> > itself, but it wasn't that.
>
> I have retried with the latest SVN, and the behaviour has changed. When
> I switch to radio mode, every time I cat /dev/video0 > /tmp/toto, it
> creates a /tmp/toto file of exactly 12224 bytes. It contains a pack
> header, a system header and the first I frame. It stops after that. Do
> you have any idea which changeset might have changed this behaviour ?
> This may be a hint as to where I must look.
>
> Thanks,
Possible candidates: 2745, 2721.
If it is the latter, then I'd advise testing encoder firmware 0x02040011
and 0x02050032 to see if there's any difference between them.
Hans
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