[mythtv] HD3000 buffer overrun solution - patches for hdtvrecorder.cpp/.h against mythtv 0.16

[Eric Anderson]

Hi Daniel -

Sure. If someone can send me a pointer to John's patch (I just joined 
the mailing
list today, should I search the archive web site for 'buffer overrun' 
or ??-- I
  wasn't able to find stuff in the past), I'd be happy to review it.

I actually bought two HD3000 cards last month, but based on the initial
performance I was initially seeing, I didn't think I'd be able to run 
two at
once. I can certainly give that a try, though.

I'll also do some investigation as to what buffer sizes work.

Note that I haven't seen any time-dependent overruns so far with this
patch. I'll watch out for that, though.

Regards.

-Eric

On Dec 6, 2004, at 9:41 AM, Daniel Thor Kristjansson wrote:

>
> Eric, first thanks for contributing to the HDTV code, we need more
> contributors. John Poet has a similar patch he's been testing with 
> three
> HD3000 cards. Can you compare notes with him to see which patch to
> apply, and what buffer sizes to use?
>
> We held back on submitting that patch in part because we hoped the
> newest HD3000 driver might eliminate the problem, but it didn't so I
> think we'll go ahead and submit it. But we also held back on submitting
> that patch because he was still seeing buffer overruns starting about 
> 90
> minutes into recording when using multiple HD3000 cards. I'd like to
> know if your patch eliminates this problem as well.
>
> -- Daniel
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