Date: Fri, 5 Oct 2007 12:18:25 +0300 From: Achilleas Mantzios <achill@matrix.gatewaynet.com> To: freebsd-multimedia@freebsd.org Subject: Re: Zoneminder and multichannel cards Message-ID: <200710051218.25340.achill@matrix.gatewaynet.com> In-Reply-To: <470515A4.8060600@elischer.org> References: <200708161254.l7GCsr81040490@casselton.net> <200710041809.54434.achill@matrix.gatewaynet.com> <470515A4.8060600@elischer.org>
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=CE=A3=CF=84=CE=B9=CF=82 =CE=A0=CE=AD=CE=BC=CF=80=CF=84=CE=B7 04 =CE=9F=CE= =BA=CF=84=CF=8E=CE=B2=CF=81=CE=B9=CE=BF=CF=82 2007 19:32, =CE=B3=CF=81=CE= =AC=CF=88=CE=B1=CF=84=CE=B5: > Achilleas Mantzios wrote: > > I have successfully (and painfully!) managed to get correct quality vid= eo > > out of ZoneMinder zoneminder-1.22.3, on 6.2-RELEASE-p4 with the LMLBT4M > > card. (card info on > > http://www.linuxmedialabs.com/product_details.php?prodid=3D320). > > > > However i cant instantiate a second instance of the video capture daemon > > of zoneminder (zmc), because of a "/dev/bktr0: Device busy" error. > > > > Is it possible to open /dev/bktr0 from two programms at the same time? > > I thought that that card only had one video channel, and that it switched > the video inputs . I think they are multiplexed, at least the big model LMLBT44, can support up to 4 full rate inputs or 8 multiplexed video inputs, which in zoneminder=20 (under linux) translates to 8 surveillance cameras. At work we have deployed the above successfully (LMLBT44 + ZM under debian = + 8=20 cameras) . In the evening i'll try to boot a zoneminder-ready linux live CD to verify = if=20 this the case with the smaller model (LMLBT44). =2D-=20 Achilleas Mantzios
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