Date: Sun, 9 Jan 2011 00:10:57 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Luigi Rizzo <rizzo@iet.unipi.it> Cc: freebsd-multimedia@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Webcamd testers wanted on FreeBSD 8.2 Message-ID: <201101090010.57118.hselasky@c2i.net> In-Reply-To: <20110108231704.GA80865@onelab2.iet.unipi.it> References: <201101081841.10690.hselasky@c2i.net> <20110108231704.GA80865@onelab2.iet.unipi.it>
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On Sunday 09 January 2011 00:17:04 Luigi Rizzo wrote: > speaking of webcamd, any idea on how to debug operation > of skype and webcamd ? > > The thread at > > http://lists.freebsd.org/pipermail/freebsd-multimedia/2010-October/011327.h > tml > > indicates the problem and shows symptoms. > The most recent version of webcamd (0.1.18) now supports > more of my webcams but still with similar problems. > > If (as it seems) the problem is related to the output format > generated by the camera, i wonder if it is possible to > tweak webcamd to generate a specific video format > on startup, irrespective of the native camera format ? > Hi Luigi, You can try adding a printout in: kernel/kern_file.c, function linux_ioctl() to get all the ioctls that skype issues. Maybe you get some clues from that. > I am under the impression (perhaps wrong) that webcamd > (or libv4l1) implements some conversion of the native formats ? libv4l does format conversion yes. That's the idea behind libv4l, to not do that format conversion in the kernel. --HPS
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