From: Hans de Goede <hdegoede@redhat.com>
To: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>,
Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: nasty bug at qv4l2
Date: Fri, 24 Dec 2010 15:19:26 +0100 [thread overview]
Message-ID: <4D14ABEE.40206@redhat.com> (raw)
In-Reply-To: <4D11E170.6050500@redhat.com>
Hi,
On 12/22/2010 12:30 PM, Mauro Carvalho Chehab wrote:
> Hans V/Hans G,
>
> There's a nasty bug at qv4l2 or at libv4l: it is not properly updating
> all info, if you change the video device. On my tests with uvcvideo (video0)
> and a gspca camera (pac7302, video1), it was showing the supported formats
> for the uvcvideo camera when I changed from video0 to video1.
>
> The net result is that the image were handled with the wrong decoder
> (instead of using fourcc V4L2_PIX_FMT_PJPG, it were using BGR3), producing
> a wrong decoding.
>
> Could you please take a look on it?
I'm pretty sure this is not a libv4l issue (other apps which allows witching
the source work fine), but rather a qv4l2 problem, esp. as it uses libv4lconvert
directly rather then going through libv4l (iirc).
Hans V, can you take a look at this?
Regards,
Hans
next prev parent reply other threads:[~2010-12-24 14:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-22 11:30 nasty bug at qv4l2 Mauro Carvalho Chehab
2010-12-24 14:19 ` Hans de Goede [this message]
2010-12-24 14:20 ` Hans Verkuil
2010-12-24 14:41 ` Hans de Goede
2010-12-24 18:54 ` Hans Verkuil
2010-12-25 9:14 ` Mauro Carvalho Chehab
2010-12-25 14:09 ` Mauro Carvalho Chehab
2010-12-28 22:53 ` Hans de Goede
2010-12-29 18:40 ` Hans Verkuil
2010-12-25 8:54 ` Mauro Carvalho Chehab
2010-12-31 15:02 ` Hans de Goede
2010-12-31 15:08 ` Hans Verkuil
2010-12-31 16:18 ` Mauro Carvalho Chehab
2010-12-24 20:06 ` [PATCH] Adds the Lego Bionicle to existing sq905c Theodore Kilgore
2010-12-24 19:55 ` Hans de Goede
2010-12-25 9:20 ` Mauro Carvalho Chehab
2010-12-25 9:36 ` Hans de Goede
2010-12-25 9:52 ` Jean-Francois Moine
2010-12-25 10:24 ` Mauro Carvalho Chehab
2010-12-25 18:14 ` Theodore Kilgore
2010-12-25 18:44 ` Jean-Francois Moine
2010-12-25 17:59 ` Theodore Kilgore
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