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<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I think I´ve found the problem, and it was releted to pluggins’ paths so I did it this way finally:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">git</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">clone</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">https://gitlab.freedesktop.org/gstreamer/gst-build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">&&</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><span style="font-size:10.5pt;font-family:Consolas;color:#62E884">\</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4">    </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">cd</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">gst-build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">&&</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><span style="font-size:10.5pt;font-family:Consolas;color:#62E884">\</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4">    </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">/root/.local/bin/meson</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">--prefix=/usr</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">--libdir=/usr/lib</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">--buildtype=debug</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">cd</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">gst-build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">&&</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">ninja</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">-C</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">cd</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">gst-build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">&&</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">ninja</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">-C</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">build</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">install<o:p></o:p></span></i></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">export</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">export</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">GST_PLUGIN_SYSTEM_PATH_1_0=/usr/lib/gstreamer-1.0</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">export</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">GST_PLUGIN_PATH=/usr/lib/gstreamer-1.0/</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:14.25pt;background:#282A36"><span style="font-size:10.5pt;font-family:Consolas;color:#F286C4">RUN</span><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">export</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"> </span><i><span style="font-size:10.5pt;font-family:Consolas;color:#FFB86C">GST_PLUGIN_SCANNER=/usr/libexec/gstreamer-1.0/gst-plugin-scanner</span></i><span style="font-size:10.5pt;font-family:Consolas;color:#F6F6F4"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Raúl.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b>De:</b> gstreamer-devel <gstreamer-devel-bounces@lists.freedesktop.org>
<b>En nombre de </b>Raul Mansilla Soto<br>
<b>Enviado el:</b> viernes, 11 de septiembre de 2020 10:46<br>
<b>Para:</b> gstreamer-devel@lists.freedesktop.org<br>
<b>Asunto:</b> Problems building gst-build with mason<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hello all,<o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">I´m trying to build a docker image of gstreamer 1.18.0 but I´m finding some problems with the plugins as gst-launch can´t find a lot of them, it is the first time I´m trying to build gstreamer so maybe I´m doing wrong things, can anyone
 help me? Though I´m reading the docs and searching the web I´m not able to get somethin running. This is my dockerfile: <o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
<p class="MsoNormal"><br>
<span style="color:#F286C4">FROM</span> <span style="color:#97E1F1">ubuntu</span>:rolling<br>
<span style="color:#F286C4">WORKDIR</span> <i><span style="color:#FFB86C">/root</span></i><br>
<span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">apt-get</span></i> <i><span style="color:#FFB86C">-y</span></i> <i><span style="color:#FFB86C">update</span></i><br>
<span style="color:#7B7F8B"># Install dependencies<br>
</span><span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">DEBIAN_FRONTEND=noninteractive</span></i> <i><span style="color:#FFB86C">apt-get</span></i> <i><span style="color:#FFB86C">install</span></i> <i><span style="color:#FFB86C">-y</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">build-essential</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">python3</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">git</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">ninja-build</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">bison</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">flex</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libmount-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">pkg-config</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">autoconf</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">automake</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">autopoint</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libtool</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">yasm</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">nasm</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">git-core</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">gettext</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libegl1-mesa-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libgl1-mesa-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libgles2-mesa-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libavfilter-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libglib2.0-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libgirepository1.0-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libpthread-stubs0-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libssl-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">liborc-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libmpg123-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libmp3lame-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libsoup2.4-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libshout3-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libpulse-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libva-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libxv-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libalsa-ocaml-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libcdparanoia-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libopus-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libpango1.0-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvisual-0.4-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvorbisidec-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libaa1-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libcaca-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libdv4-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libflac-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libjack-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libtag1-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libdrm-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvpx-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libwavpack-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libass-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libzbar-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libx265-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libx264-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libwildmidi-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvulkan-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libx11-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libxrandr-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libwayland-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">wayland-protocols</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libwebp-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libwebrtc-audio-processing-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvdpau-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libsrtp2-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvo-aacenc-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libvo-amrwbenc-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libbs2b-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libdc1394-22-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libdts-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libfaac-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libfaad-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libfdk-aac-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libfluidsynth-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libcurl-ocaml-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libgme-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libgsm1-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">librtmp-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libcurl-ocaml-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libjpeg-turbo8-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">liba52-0.7.4-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libcdio-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libtwolame-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libx264-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libmpeg2-4-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libsidplay1-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">gobject-introspection</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libudev-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">python3-pip</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">python3-gi</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">python-gi-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">graphviz</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libopencv-dev</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">libnice-dev</span></i> <br>
<span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">pip3</span></i> <i><span style="color:#FFB86C">install</span></i> <i><span style="color:#FFB86C">--user</span></i> <i><span style="color:#FFB86C">meson</span></i><br>
<span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">git</span></i> <i><span style="color:#FFB86C">clone</span></i> <i><span style="color:#FFB86C">-b</span></i> <i><span style="color:#FFB86C">1.18</span></i> <i><span style="color:#FFB86C"><a href="https://gitlab.freedesktop.org/gstreamer/gst-build">https://gitlab.freedesktop.org/gstreamer/gst-build</a></span></i> <i><span style="color:#FFB86C">&&</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">cd</span></i> <i><span style="color:#FFB86C">gst-build</span></i> <i><span style="color:#FFB86C">&&</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">/root/.local/bin/meson</span></i> <i><span style="color:#FFB86C">build</span></i> <i><span style="color:#FFB86C">--prefix=/usr</span></i> <i><span style="color:#FFB86C">--libdir=/usr/lib</span></i> <i><span style="color:#FFB86C">--buildtype=release</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">-D</span></i> <i><span style="color:#FFB86C">ugly=enabled</span></i> <i><span style="color:#FFB86C">-D</span></i> <i><span style="color:#FFB86C">bad=enabled</span></i> <i><span style="color:#FFB86C">-D</span></i> <i><span style="color:#FFB86C">good=enabled</span></i> <i><span style="color:#FFB86C">-D</span></i> <i><span style="color:#FFB86C">base=enabled</span></i> <span style="color:#62E884">\<br>
</span>    <i><span style="color:#FFB86C">-D</span></i> <i><span style="color:#FFB86C">gst-plugins-ugly:x264enc=enabled</span></i><br>
<span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">cd</span></i> <i><span style="color:#FFB86C">gst-build</span></i> <i><span style="color:#FFB86C">&&</span></i> <i><span style="color:#FFB86C">ninja</span></i> <i><span style="color:#FFB86C">-C</span></i> <i><span style="color:#FFB86C">build<br>
</span></i><span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">cd</span></i> <i><span style="color:#FFB86C">gst-build</span></i> <i><span style="color:#FFB86C">&&</span></i> <i><span style="color:#FFB86C">ninja</span></i> <i><span style="color:#FFB86C">-C</span></i> <i><span style="color:#FFB86C">build</span></i> <i><span style="color:#FFB86C">install<br>
</span></i><span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">cd</span></i> <i><span style="color:#FFB86C">gst-build</span></i> <i><span style="color:#FFB86C">&&</span></i> <i><span style="color:#FFB86C">ninja</span></i> <i><span style="color:#FFB86C">-C</span></i> <i><span style="color:#FFB86C">build</span></i> <i><span style="color:#FFB86C">uninstalled</span></i><br>
<span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">export</span></i> <i><span style="color:#FFB86C">LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib<br>
</span></i><span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">export</span></i> <i><span style="color:#FFB86C">GST_PLUGIN_SYSTEM_PATH_1_0=</span></i>$GST_PLUGIN_SYSTEM_PATH_1_0<i><span style="color:#FFB86C">:/usr/lib/x86_64-linux-gnu/gstreamer-1.0<br>
</span></i><span style="color:#F286C4">RUN</span> <i><span style="color:#FFB86C">export</span></i> <i><span style="color:#FFB86C">GST_PLUGIN_SCANNER=/usr/libexec/gstreamer-1.0/gst-plugin-scanner</span></i><o:p></o:p></p>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"> and normally this is what I get when I try to do something easy:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
<p class="MsoNormal">docker run --net=host --rm -it gstreamer:v1.18 gst-launch-1.0 videotestsrc ! x264enc ! rtph264pay config-interval=3 ! rtpsink uri=rtp://<a href="http://239.1.1.1:1234">239.1.1.1:1234</a><br>
WARNING: erroneous pipeline: no element "x264enc"<o:p></o:p></p>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
<p class="MsoNormal">docker run --net=host --rm -it gstreamer:v1.18 gst-launch-1.0 videotestsrc ! autovideosink<br>
WARNING: erroneous pipeline: no element "autovideosink"<o:p></o:p></p>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
<p class="MsoNormal">docker run --net=host --rm -it gstreamer:v1.18 gst-launch-1.0 videotestsrc num-buffers=1 ! fakevideosink<br>
WARNING: erroneous pipeline: no element "fakevideosink"<o:p></o:p></p>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Thanks a lot for your help as you can see I´m a little bit lost.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<div>
<p class="MsoNormal">Saludos,<o:p></o:p></p>
</div>
<p class="MsoNormal"><br>
Raúl Mansilla.<o:p></o:p></p>
</div>
</div>
</div>
</div>
</body>
</html>