From: "Daniel Glöckner" <daniel-gl@gmx.net>
To: Brian Phelps <lm317t@gmail.com>
Cc: video4linux-list@redhat.com
Subject: Re: capture.c example (multiple inputs)
Date: Tue, 7 Oct 2008 16:52:06 +0200 [thread overview]
Message-ID: <20081007145206.GA1664@daniel.bse> (raw)
In-Reply-To: <ea3b75ed0810070657i2f673bb1ub858b2871d7b387a@mail.gmail.com>
On Tue, Oct 07, 2008 at 09:57:28AM -0400, Brian Phelps wrote:
> I did some digging and it looks like this single chip bt878 card must
> cut the frame rate when switching inputs. Is this correct?
correct.
> I found a 4-chip version from bluecherry.com that seems to do this at
> full 30 FPS per channel.
You mean .net, not .com?
Be warned, depending on your system there may be dropped pixels when
capturing four inputs at high resolution in inefficient color spaces.
Especially when you try to write the videos to harddisk while the
harddisk controller shares a PCI bus with the capture card.
Daniel
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next prev parent reply other threads:[~2008-10-07 14:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-07 13:57 capture.c example (multiple inputs) Brian Phelps
2008-10-07 14:52 ` Daniel Glöckner [this message]
2008-10-07 16:34 ` Brian Phelps
2008-10-07 18:37 ` Daniel Glöckner
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