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Date: Sat, 17 Sep 2011 16:22:00 +0200
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From: kerbzo <kerbzo@gmail.com>
To: Hans Petter Selasky <hselasky@c2i.net>
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Cc: freebsd-multimedia@freebsd.org
Subject: Re: New version of cuse4bsd ready for testing
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On Fri, Sep 16, 2011 at 12:09 PM, Hans Petter Selasky <hselasky@c2i.net> wrote:
> On Friday 16 September 2011 11:36:51 Kevin Smith wrote:
>> On 9/15/11 11:18 AM, Hans Petter Selasky wrote:
>
>>
>> Hi,
>>
>> I 'm using two logitech webcam (c270h and c210) with cuse4bsd + webcamd,
>> however after installed the new cuse4bsd I didn't notice any performance
>> improvement.
>> System is 8.2-STABLE built on Mon Sep 12 20:17:32 CEST 2011.
>> Can I do some tests to help investigating ?
>> Thank you,
>> regards,
>
> Hi,
>
> Most UVC (USB video class) drivers use direct memory mapping, so there
> shouldn't be a significant performance improvement in that case. If you are
> using DVB USB drivers, that might be different. Maybe you have to use the
> "time" utility to measure the difference, like starting webcamd like this:
>
> time webcamd -H
>
> Then run pwcview for 5 minutes. Then CTRL+C webcamd.
>
> --HPS
>
Understood.
Thank you for the explanation,
regards,