From: "Charlie X. Liu" <charlie@sensoray.com>
To: "'Devin Heitmueller'" <dheitmueller@kernellabs.com>
Cc: "'Owen O' Hehir'" <oo_hehir@hotmail.com>, video4linux-list@redhat.com
Subject: RE: Saving YUVY image from V4L2 buffer to file
Date: Wed, 3 Feb 2010 12:01:33 -0800 [thread overview]
Message-ID: <006001caa50b$b00fa8c0$102efa40$@com> (raw)
In-Reply-To: <829197381002031118h483cb570ld7177c502ce78298@mail.gmail.com>
Do most of Webcams have no RGB support? I'm not experienced on that. Does
anybody know the percentage of RGB support by Webcams?
-----Original Message-----
From: Devin Heitmueller [mailto:dheitmueller@kernellabs.com]
Sent: Wednesday, February 03, 2010 11:19 AM
To: Charlie X. Liu
Cc: Owen O' Hehir; video4linux-list@redhat.com
Subject: Re: Saving YUVY image from V4L2 buffer to file
On Wed, Feb 3, 2010 at 1:57 PM, Charlie X. Liu <charlie@sensoray.com> wrote:
> Why don't you directly set it with: fmt.fmt.pix.pixelformat =
> V4L2_PIX_FMT_BGR24, instead of converting?
That only really works if the hardware supports providing RGB data as
opposed to YUYV (which many do not). Or, it would work if you link
against libv4l to do the conversion in userland.
Devin
--
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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next prev parent reply other threads:[~2010-02-03 20:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-03 17:40 Saving YUVY image from V4L2 buffer to file Owen O' Hehir
2010-02-03 17:54 ` Devin Heitmueller
2010-02-03 18:06 ` Owen O' Hehir
2010-02-03 18:18 ` Devin Heitmueller
2010-02-06 20:48 ` Saving YUVY image from V4L2 buffer to file - SOLVED Owen O' Hehir
2010-02-03 18:57 ` Saving YUVY image from V4L2 buffer to file Charlie X. Liu
2010-02-03 19:18 ` Devin Heitmueller
2010-02-03 20:01 ` Charlie X. Liu [this message]
2010-02-03 20:12 ` Devin Heitmueller
2010-02-03 18:38 ` Darren Longhorn
2010-02-04 2:23 ` Andy Walls
2010-02-04 15:58 ` Darren Longhorn
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