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Le 22/08/2013 19:39, IOhannes m zmölnig a écrit :<br>
<span style="white-space: pre;">> On 08/22/13 18:40, Jack wrote:<br>
>><br>
>> Le 22/08/2013 18:23, IOhannes m zmölnig a écrit :<br>
>>> On 08/22/13 18:05, Jack wrote:<br>
>>>> When I compile streamViewer.cpp which contains
the gstreamer pipe<br>
>>>> finishing by : v4l2sink device=/dev/video2, i get
no error.<br>
> [...]<br>
>> $ v4l2-ctl --all -d /dev/video2<br>
>> Failed to open /dev/video2: No such file or directory<br>
> [...]<br>
>> $ cat /sys/devices/virtual/video4linux/video2/format<br>
>> cat: /sys/devices/virtual/video4linux/video2/format: No
such file or<br>
>> directory<br>
>><br>
><br>
> it seems that there is no /dev/video2.<br>
> you should set up your pipeline to write to an existing v4l2
loopback<br>
> device.<br>
> then report the output of v4l2-ctl and /sys/devices/... for
*that* device.<br>
><br>
> fgmdsr<br>
> IOhannes<br>
><br>
><br>
><br>
> _______________________________________________<br>
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<br>
Thanks IOhannes,<br>
I completely forgot to install v4l2loopback.<br>
Now it is working perfectly.<br>
Nice ! :)<br>
++<br>
<br>
Jack<br>
<br>
<br>
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