Date: Thu, 20 Mar 2008 17:51:15 +0100 From: usleepless@gmail.com To: "Luigi Rizzo" <rizzo@iet.unipi.it> Cc: Julian Elischer <julian@elischer.org>, multimedia@freebsd.org Subject: Re: webcam video capture Message-ID: <c39ec84c0803200951s3fb8fbf1kd4e15f95836ca3a9@mail.gmail.com> In-Reply-To: <20080320082100.GA5947@onelab2.iet.unipi.it> References: <47E20F35.4060102@elischer.org> <20080320082100.GA5947@onelab2.iet.unipi.it>
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On Thu, Mar 20, 2008 at 9:21 AM, Luigi Rizzo <rizzo@iet.unipi.it> wrote: > On Thu, Mar 20, 2008 at 12:16:05AM -0700, Julian Elischer wrote: > > does anyone have anything that can capture video > > from the webcams that we have support for? > > > > I have been able to get still shots but I would like to be able to > > write a stream to a file.. > > > > > > I could do it with firewire, but I need to do it with cheap > > hardware.. > > if you look at the pwcview application that is in the linux-kmod-compat > or linux-kmod-gspca, that one has support for writing raw or jpg > frames to disk. The source code is small and relatively simple > to modif, and it can run in headless mode. > > Note though that for many of the webcams, the gspca driver does not > have good support for controlling brightness or contrast, which > basically means that outdoor pictures tend to come coimpletely > white. i observed the same with my Pixart-chipset webcam, and have patches for this problem. i will try to get the patches applied upstream ( still messing about with the agc ). if anyone is interested right now, make yourself heard. regards, usleep
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