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<div class="moz-cite-prefix">Well, I don't know if I was on 'video'
group but I did the addition. I checked the file you sent me and
it works. However, for the moment, I have 3 questions:<br>
<br>
- If I don't activate the device in the right side of the patch,
nor Blender nor VLC can get the image from /dev/video1 (VLC shows
errors on console, Blender says nothing, but it makes black
texture) Why is like that? S<span id="result_box"
class="short_text" lang="en"><span class="hps">upposedly</span></span>,
being pix_record there and activated, I should get from where I
want...<br>
<br>
- Look at the attached image: why the video is vertically
inverted? I don't know about GEM, but I didn't find any object
that do that.<br>
<br>
- How the patch should be if I want to send the GEM window to
loopback? I mean, not only the color and vertical inverted video,
but the whole window...<br>
<br>
Thank you very much!<br>
<br>
<br>
<br>
<br>
<br>
El 22/04/15 a las 11:14, Antoine Villeret escibió:<br>
</div>
<blockquote
cite="mid:CAGn5wNddgAt4bNrztXC+FAdHfdO6PwFSCjLOzqqprEsb9PFctw@mail.gmail.com"
type="cite">
<div dir="ltr">Hi, <br>
<br>
<div>the Iohannes' instructions are still relevant but there are
few things you might pay attention to :</div>
<div>- be sure you belong to "video" group, if you got an error
like "[pix_record] : can't open /dev/video1" this could be the
issue (if /dev/video1 exists of course)</div>
<div>- set and start the capture *before* setting the device
capture. The v4l2device is undefined (nor a capture or a tuner
device) until you send the first frame to it.</div>
<div><br>
</div>
<div>here is attached a sample patch that works with current Gem
from git.</div>
<div><br>
</div>
<div>best </div>
<div><br>
</div>
<div>antoine</div>
<br>
<div class="gmail_quote">Le mer. 22 avr. 2015 à 15:06, Mario Mey
<<a moz-do-not-send="true" href="mailto:mariomey@gmail.com">mariomey@gmail.com</a>>
a écrit :<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hi, there.
I'm reviving a mail from 2011... here it is the last of the
thread:<br>
<a moz-do-not-send="true"
href="http://lists.puredata.info/pipermail/pd-list/2011-02/086741.html"
target="_blank">http://lists.puredata.info/pipermail/pd-list/2011-02/086741.html</a><br>
<br>
I was looking for help to use Gem with v4l2loopback.<br>
These mails are the only ones where I found the way to do<br>
it (no other place in internet).<br>
<br>
After installing v4l2loopback kernel module, I did what
IOhannes said:<br>
<br>
------------<br>
you should be able to use [pix_record] with v4l2loopback.<br>
just do:<br>
- - create [pix_record]<br>
- - check at the console whether it prints something like
"[pix_record]:<br>
backend #1='V4L2'" (this will only happen the first time you
create a<br>
[pix_record] object for hygienic reasons)<br>
- - if so, continue<br>
- - set the codec to "v4l2" and the output filename to
/dev/video1 (or<br>
whatever your loopback-device is).<br>
something like [codec v4l2, filename /dev/video1, record 1(
should do<br>
the trick.<br>
<br>
f<br>
gmasdr<br>
IOhannes<br>
-----------<br>
<br>
Now, there is /dev/video1 (also, /dev/video0 from Webcam).
But, when<br>
I try to open that device with VLC, I got this error:<br>
<br>
[0x7fed08000e28] v4l2 demux error: not a video capture
device<br>
[0x7fed08000e28] v4l2 demux error: not a radio tuner device<br>
[0x7fed08000e08] v4l2 access error: not a video capture
device<br>
[0x7fed18003898] main input error: open of
`v4l2:///dev/video1' failed<br>
<br>
I tried to open with Blender, videoOnTexture, but the
texture<br>
is black. There's no error messages.<br>
<br>
What am I doing wrong?<br>
<br>
I have Pd-extended 0.44.0-extended-20130808, Ubuntu 14.04.<br>
I don't know how to know Gem version.<br>
<br>
<br>
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</blockquote>
</div>
</div>
</blockquote>
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