Enable FFmpeg for the main build

This is currently off by default and labelled as experimental, but if
we want to offer libgtk-4-media-ffmpeg then we will have to enable it.

diff --git a/debian/rules b/debian/rules
index 3c8afbb571a57c1b953749e5d1ed069bd587d0ba..651e7aa8a48c3bde1e24db1a2142626ff0430e72 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -82,6 +82,7 @@ configure_flags_deb = \
        --auto-features enabled \
        -Dbroadway-backend=true \
        -Dman-pages=true \
+       -Dmedia-ffmpeg=enabled \
        -Dx11-backend=true \
        ${NULL}