Date: Sat, 22 Oct 2022 20:47:05 -0700 From: Ihor Antonov <ihor@antonovs.family> To: freebsd-gecko@FreeBSD.org Subject: Firefox 106 Broken WebRTC Screencast on wayland Message-ID: <20221023034705.jikcyk4fwye4cvmg@localhost>
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Hi list,
After upgrading to Firefox 106 screensharing functionality on wayland
stopped working. Firefox ESR (102) still works. I have traced the
breakage to firefox, as no other components of the stack have changed
(sway, pipewire, dbus, xdg-desktop-portal, xdg-desktop-portal-wlr)
It looks like firefox simply stopped trying to use the screencast
functionality - dbus-monitor shows that there are no calls to
org.freedesktop.portal.ScreenCast interface. No errors, just no attempts
to use it to begin with.
Then I compared firefox and firefox-esr ports and noticed that there is
a generated webrtc patch [1], [2]
Where ESR patch has this line enabled in some cases, non-esr has 0 of
these enabled (the patch only removes these lines)
DEFINES["WEBRTC_USE_PIPEWIRE"] = True
Questions:
- could this be a reason why WebRTC screensharing stopped working?
- how the patch gets generated?
- maybe there is a reason WEBRTC_USE_PIPEWIRE was disabled on latest
version?
Thanks
Ihor
[1] https://github.com/freebsd/freebsd-ports/blob/main/www/firefox/files/patch-libwebrtc-generated
[2] https://github.com/freebsd/freebsd-ports/blob/main/www/firefox-esr/files/patch-libwebrtc-generated
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