Date: Sat, 17 Sep 2011 16:22:00 +0200 From: kerbzo <kerbzo@gmail.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-multimedia@freebsd.org Subject: Re: New version of cuse4bsd ready for testing Message-ID: <CABLqceTwFu-v_OhGgkFDq95E46BpJ=2i6bCtZ3Rq0U6P0c4j7g@mail.gmail.com> In-Reply-To: <201109161209.25441.hselasky@c2i.net> References: <201109131118.49070.hselasky@c2i.net> <201109151118.19301.hselasky@c2i.net> <4E7318B3.8060000@gmail.com> <201109161209.25441.hselasky@c2i.net>
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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,
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