On Thu, Nov 25, 2004 at 12:01:29PM +0000, Anne Wilson wrote:

Subject: [Mjpeg-users] Audio ring buffer overflow in lavrec

> This section of input has a rather high volume. I tried recording
> with
> 
> lavrec -f a -i P -d 2 -q 80 -s -l 60 -R l -U filename.avi
> 
> and have tried dropping -l to 40, but I can run for around 5
> seconds then it drops out with the above error.
> 
> What's wrong, and what do I need to do about it, please?

Audio ring buffer overflow is related to rate, not volume.  That
message generally means that you have capture data coming in from the
capture card at a speed higher than what your hard drive can write to
disk.  However it's kind of hard to believe you would have a disk I/O
speed problem on a reasonably modern system at decimation 2 and
quality 80 if you have a hardware mjpeg capture card, unless you have
a bunch of background disk I/O going on that you are not telling us
about.

You might try dropping the (-U) to see if it helps, but I suspect
there's something else afoot somewhere causing the trouble.



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