From: Chris Tapp <opensource@keylevel.com>
To: John Weber <rjohnweber@gmail.com>
Cc: meta-freescale@yoctoproject.org
Subject: Re: Gstreamer pipeline problem
Date: Fri, 12 Jul 2013 08:50:18 +0100 [thread overview]
Message-ID: <8A53AA29-B054-4B1A-A23E-ABF7AEDAD265@keylevel.com> (raw)
In-Reply-To: <51DF4C52.8080607@gmail.com>
Hi John,
On 12 Jul 2013, at 01:22, John Weber wrote:
> Hi Chris,
>
>> gst-launch videotestsrc ! v4l2sink
>>
>> to work as there's no /dev/video1 ! Does anyone know where I can find instructions on how to get v4l2 working under Ubuntu 12.04 for a radeon HD 5450 card? Google has not been my friend ;-)
>>
>
> /dev/video1 is created when you have an actual video input like a video decoder or camera or UVC camera and it would be used with v4l2src (or in the case of i.MX6 CSI, mfw_v4lsrc).
>
> videotestsrc should not need a video input device to work though as it is creates its own video data. What is the error you are seeing?
>
> What is your setup? Board? Yocto version? Yocto image?
Sorry, I don't make myself clear here. I wanted to try v4l on my Ubuntu development system first - it's this that isn't working:
gst-launch-0.10 videotestsrc ! v4l2sink
Setting pipeline to PAUSED ...
ERROR: Pipeline doesn't want to pause.
ERROR: from element /GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0: Cannot identify device "/dev/video1".
Additional debug info:
v4l2_calls.c(493): gst_v4l2_open (): /GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0:
system error: No such file or directory
Setting pipeline to NULL ...
Freeing pipeline ...
> John
> _______________________________________________
> meta-freescale mailing list
> meta-freescale@yoctoproject.org
> https://lists.yoctoproject.org/listinfo/meta-freescale
Chris Tapp
opensource@keylevel.com
www.keylevel.com
next prev parent reply other threads:[~2013-07-12 7:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-10 19:19 Gstreamer pipeline problem Chris Tapp
2013-07-10 19:53 ` Chris Tapp
2013-07-11 8:39 ` Thomas Senyk
2013-07-11 23:22 ` Chris Tapp
2013-07-12 0:22 ` John Weber
2013-07-12 7:50 ` Chris Tapp [this message]
2013-07-12 8:03 ` Philip Craig
2013-07-12 8:19 ` Chris Tapp
2013-07-12 14:12 ` John Weber
2013-07-12 16:44 ` Chris Tapp
2013-07-15 8:02 ` Thomas Senyk
2013-07-15 16:42 ` Chris Tapp
2013-07-12 16:35 ` Chris Tapp
2013-07-15 8:24 ` Thomas Senyk
2013-07-15 16:41 ` Chris Tapp
2013-07-15 17:11 ` Thomas Senyk
2013-07-15 20:58 ` Chris Tapp
2013-07-16 19:15 ` vpudec doe not like "queue(2)" - Was: " Chris Tapp
2013-07-16 20:18 ` John Weber
2013-07-17 19:57 ` Chris Tapp
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8A53AA29-B054-4B1A-A23E-ABF7AEDAD265@keylevel.com \
--to=opensource@keylevel.com \
--cc=meta-freescale@yoctoproject.org \
--cc=rjohnweber@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.