gstreamer via dockerfile

[Tyler Compton]

Another way to do this is using `--device /dev/video0`, which gives the
container access to less of your host device than `--privileged`.

On Thu, Dec 3, 2020, 03:40 Craig Carey <cynitec at gmail.com> wrote:

> You need to mount your video device, something like:
>
> docker run ... --privileged  -v /dev/video0:/dev/video0 ...
>>
>
>
> On Thu, Dec 3, 2020 at 10:20 AM Andrés Meseguer Valenzuela <
> anmeva1 at etsid.upv.es> wrote:
>
>> Hi, I am trying to use gstreamer via docker.
>> My purpose is that my container installs GStreamer and then, it runs a
>> gstreamer pipeline such as displaying
>> my webcam for example.
>>
>> I have writen this dockerfile:
>>
>> FROM ubuntu:20.10
>>
>> RUN apt-get update && \
>>        apt-get -y install sudo
>>
>> RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser
>> docker sudo
>>
>> CMD /bin/bash
>>
>> RUN sudo -s apt-get update
>> RUN apt-get install libgstreamer1.0-0 gstreamer1.0-plugins-base
>> gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
>> gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-tools
>> gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3
>> gstreamer1.0-qt5 gstreamer1.0-pulseaudio -y
>>
>> ENTRYPOINT gst-launch-1.0 v4l2src device=/dev/video0 !
>> 'video/x-raw,width=640,height=480,framerate=30/1' ! videoconvert !
>> ximagesink
>>
>> USER docker
>>
>> It builds, but once I run the image with flags (--net=host -e DISPLAY
>> -v $HOME/.Xauthority:/root/.Xauthority )
>> it returns an error:
>> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Cannot
>> identify device '/dev/video0'.
>>
>> I know that this is a problem of my dockerfile because this GStreamer
>> pipeline works in local.
>> Hence, I would like to know how to solve this.
>> Thanks for your valuable time.
>> Regards,
>> Andrés.
>>
>>
>>
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
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>
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