Re: encapsulating cairooverlay in custom plugin

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Hi,

Le sam. 21 sept. 2024, 05 h 15, tom via gstreamer-devel <
[email protected]> a =C3=A9crit :

> I see the example of the cairooverlay at
>
>
> https://github.com/GStreamer/gst-plugins-good/blob/master/tests/examples/=
cairo/cairo_overlay.c
>
> and I would like to encapsulate this example in a plugin, which type woul=
d
> be the best ?
>
> so i could do :
> gst-launch-1.0 videotestsrc pattern=3D13 ! mycairoencapsulation !
> autovideosink
>
> I tried to do it in a GST_BIN but the pad's don't get connected.
> i tried to do it in a GST_TYPE_VIDEO_FILTER but the output is completely
> messed up.
>
> Is there an example that already has this encapsulated with a simple draw
> function ?
> or if there isn't which direction should i go in ?
>

This has already been done. Documentation and examples at:

https://gstreamer.freedesktop.org/documentation/cairo/index.html?gi-languag=
e=3Dc


Nicolas


p.s. feel free to join us on discourse.gstreamer.org, most of what once
happened on the mailing list has moved there.

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<div dir=3D"auto"><div>Hi,<br><br><div class=3D"gmail_quote"><div dir=3D"lt=
r" class=3D"gmail_attr">Le sam. 21 sept. 2024, 05 h 15, tom via gstreamer-d=
evel &lt;<a href=3D"mailto:[email protected]">gstreamer=
[email protected]</a>&gt; a =C3=A9crit=C2=A0:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc so=
lid;padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr" class=3D"gmail_sign=
ature" data-smartmail=3D"gmail_signature">I see the example of the cairoove=
rlay at<br><br><a href=3D"https://github.com/GStreamer/gst-plugins-good/blo=
b/master/tests/examples/cairo/cairo_overlay.c" target=3D"_blank" rel=3D"nor=
eferrer">https://github.com/GStreamer/gst-plugins-good/blob/master/tests/ex=
amples/cairo/cairo_overlay.c</a><br><br>and I would like to encapsulate thi=
s example in a plugin, which type would be the best ?<br><br>so i could do =
:<br>gst-launch-1.0 videotestsrc pattern=3D13 ! mycairoencapsulation ! auto=
videosink<br><br>I tried to do it in a GST_BIN but the pad&#39;s don&#39;t =
get connected.<br>i tried to do it in a GST_TYPE_VIDEO_FILTER but the outpu=
t is completely messed up.<br><br>Is there an example that already has this=
 encapsulated with a simple draw function ?<br>or if there isn&#39;t which =
direction should i go in ?<br></div></div></blockquote></div></div><div dir=
=3D"auto"><br></div><div dir=3D"auto">This has already been done. Documenta=
tion and examples at:</div><div dir=3D"auto"><br></div><div dir=3D"auto"><a=
 href=3D"https://gstreamer.freedesktop.org/documentation/cairo/index.html?g=
i-language=3Dc">https://gstreamer.freedesktop.org/documentation/cairo/index=
.html?gi-language=3Dc</a><br></div><div dir=3D"auto"><br></div><div dir=3D"=
auto"><br></div><div dir=3D"auto">Nicolas</div><div dir=3D"auto"><br></div>=
<div dir=3D"auto"><br></div><div dir=3D"auto">p.s. feel free to join us on =
<a href=3D"http://discourse.gstreamer.org">discourse.gstreamer.org</a>, mos=
t of what once happened on the mailing list has moved there.</div></div>

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