[Buildroot] [PATCH v4 2/8] gst-plugins-${base, good, bad, ugly}: bump to 1.14.0
Peter Seiderer
ps.report at gmx.net
Tue Apr 10 16:28:13 UTC 2018
Hello Thomas, Adam,
On Tue, 10 Apr 2018 10:07:36 +0200, Thomas Petazzoni <thomas.petazzoni at bootlin.com> wrote:
> Hello Peter,
>
> I talked with Adam about this gstreamer1 patch series, and apparently
> your comment below isn't clear to Adam, and this explains why he hasn't
> resent the patch series.
>
> On Thu, 22 Mar 2018 23:55:37 +0100, Peter Seiderer wrote:
>
> > > Add the following to gst1-plugins-base and remove them from plugins-bad:
> > > - opengl
> > > - gles2
> > > - glx
> > > - egl
> > > - x11
> > > - wayland
> >
> > This still contradicts your own statement [1]:
> >
> > Not entirely! There is --enable-wayland now in both base AND bad!
>
> Indeed, the gst1-plugins-bad package still has a
> --enable-wayland/--disable-wayland option:
>
> output/build/gst1-plugins-bad-1.14.0 $ ./configure --help | grep wayland
> --disable-wayland disable wayland sink: wayland
This is the 'old' one in gstreamer and buildroot and should be kept (NOT moved from bad to base)....
>
> And in base:
>
> output/build/gst1-plugins-base-1.14.0 $ ./configure --help | grep wayland
> --enable-wayland Enable Wayland support (requires EGL) [default=auto]
This is the 'new' one in gstreamer, yet without handling in buildroot, enables
wayland support in libgstgl (which is used by some plugins, but I believe not
by the waylandsink plugin from bad)...
>
> > > Changes v2 -> v3:
> > > - Removed wayland references from plugins-bad (Peter)
> >
> > No, see suggestion from [2]:
> >
> > I think there is a difference, the bad/wayland option enables extra gstreamer
> > plugins/elements, the base/wayland opton enables no extra plugins/elements but
> > enables wayland support in the qt/gtk plugins (did not look further if it
> > results only in wayland support in some elements or extra elements in the same
> > plugin library), in case it enables only wayland support, I think no
> > user visible option is needed (if a user visible option is needed there is
> > definitely a change in option name and help text needed)
>
> It's not entirely clear to me what are the two options doing.
>
> In gst1-plugins-base, the --enable-wayland option requires EGL support,
> and will enable some wayland related code in gst-libs/gl/. Peter, do
> you understand what this does, compared to the wayland sink provided in
> gst1-plugins-bad ?
Yes, your short analysis is right (and sorry, I can add no more details what
is enabled/disabled in the resulting libgstgl library)....
>
> In gst1-plugins-bad, the --enable-wayland option enables the build of a
> wayland sink.
Yes, see [1]...
Regards,
Peter
[1] https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad/html/gst-plugins-bad-plugins-waylandsink.html
>
> Best regards,
>
> Thomas
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