gtk4: adjust dependencies for media backend

Upstream suggests the media backend must support VP8 and VP9.  And
ffmpeg is not enabled by default, so demote it to optional.
This commit is contained in:
Xi Ruoyao 2022-02-09 13:27:18 +08:00
parent 3554481ed0
commit 8b1da3f8b7
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@ -87,8 +87,9 @@
<bridgehead renderas="sect4">Recommended</bridgehead>
<para role="recommended">
<xref linkend="adwaita-icon-theme"/> (default for some gtk4 settings keys),
<xref linkend="ffmpeg"/>,
<xref linkend="gst10-plugins-bad"/>,
<xref role='runtime' linkend="gst10-plugins-good"/> (runtime,
built with <xref role='nodep' linkend='libvpx'/>),
<xref linkend="hicolor-icon-theme"/> (needed for tests and for defaults), and
<xref linkend="librsvg"/>
</para>
@ -102,6 +103,8 @@
<para role="optional">
<xref linkend="colord"/>,
<xref linkend="cups"/>,
<xref linkend="ffmpeg"/> (built with
<xref role='nodep' linkend='libvpx'/>),
<xref linkend="gtk-doc"/>,
<xref role="runtime" linkend="highlight"/>
(runtime, only used by <command>gtk4-demo</command> for syntax