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

Jack


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