> On May 19, 2007, at 2:14 PM, Hans Verkuil wrote:
>
>> Hi all,
>>
>> I would appreciate it if people could start testing the latest ivtv on
>> the 0.10 branch, available here:
>
> Excellent! Always looking forward to some new & improved code.
>
>> The current driver has a problem with copying data from the MPEG
>> card to
>> memory that are done using PIO instead of DMA (for good reasons).
>> Unfortunately PIO accesses are slow, so too much time is spent inside
>> the interrupt handler. This can lead to missing clock ticks and
>> problems with remotes (key hits that are missed).
>
> The missing ticks have certainly gone away. My clock keeps up just
> fine while making recordings now.
>
>> However, I did not have much time to test it thoroughly, so I'd very
>> much appreciate it if people could start testing this and report
>> whether or not any new problems were introduced.
>
> Well, as it seems, I am still having the same problems (on PPC) with
> the radio patch that was posted a while back. Regressing that patch
> from the 0.10 branch yields a perfectly stable and usable ivtv
> subsystem and machine.
>
> To recap on what happened post-radio patch, if I'm recording with the
> PVR-350 and try to use the xdriver (on the 350's TV-out) for some
> mplayer -xv playback, the screen will go black and there will be
> audio for a second, then mplayer crashes. Here's some more info on
> what mplayer (and X) complain about:
Are you recording the radio or TV? If recording from TV, did you do a
radio capture earlier or was radio not used at all?
Thanks,
Hans
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