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Currently v4l2 nodes will get higher priority than libcamera ones.
The default can be changed, of course, with wpctl.

Things are still not great if a camera is enumerated by both monitors.
The first node to be linked will grab the device and the second one
from the other subsystem will fail to negotiate.

7908b8d7be2a2992c57cd549054eda7ce46e4b44 ("m-lua-scripting: allow
converting GValue holding NULL objects to Lua") accidentally added a second
refcount. As a result, the objects are never freeded.

Remove the second refcount to fix this.

So false positives don’t show up on https://l10n.gnome.org/module/WirePlumber/

Julian Bouzas authored May 20, 2022 and George Kiagiadakis committed May 20, 2022

This check was originally added to avoid a small audio glitch when changing
default nodes while also changing the device profile (eg Gnome Sound Settings).
The check is removed because it causes issues when disabling alsa nodes. There
are plans to fix the audio glitch issue in the future with the planned
event-dispatcher architecture.

Fixes #279

Fixes #241

See !259

Fixes backwards compatibility with older config files

Fixes: #254

There is no need to have this as an optional module, since libintl
is a hard dependency of both PipeWire and GLib. This way we can keep
things a bit simpler and faster (no string copies and plugin lookups)

Bump meson dependency to 0.59 to benefit of the libintl lookup that
is now built into meson's dependency() function.

For some reason Mumble uses "game" as its media.role, but it is
actually a communication tool where a headset profile is apropriate.

Théo Lebrun authored May 05, 2022 and George Kiagiadakis committed May 05, 2022

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>

Julian Bouzas authored May 03, 2022 and George Kiagiadakis committed May 05, 2022

Currently, when using filter nodes such as echo-cancel or filer-chain, the
ports format of the virtual stream node might not always match the format of its
associated virtual device node. This can happen if the virtual stream node is
linked with a real device node configured with many channels, such as surround
profile. In that case, the channel configuration is not forwarded to the virtual
device node, making the application not being aware of a surround setup.

This change listens for port format changes in the virtual stream nodes, and
reconfigures the virtual device node ports everytime the virtual stream node's
port format changes.

This behavior is experimental and optional, so it is disabled by default.

Julian Bouzas authored Apr 26, 2022 and George Kiagiadakis committed May 03, 2022

The 'set-volume' and 'set-mute' commands have a new --pid flag to allow changing
the volume or mute for all client nodes that are created by a specific process.

KOVACS Krisztian authored Apr 28, 2022 and George Kiagiadakis committed May 02, 2022

We're only interested in notifications for user state changes, so we should
better be more specific about it when creating the systemd login monitor.

This avoids issues with sd_login_monitor_new() returning EINVAL if
systemd-machined is not running (and thus /run/systemd/machines does
not exist).

Fixes: #250

This allows scripts to declare when they have finished their loading,
so we can now also know when wireplumber is done loading and ready to
handle clients

Related to !313

This enables the debug and coroutine libraries and some more functions
that are not really so risky to have around

Related to #121

The load functions used to do 3 things:
- push the sandbox function on the stack
- load the file and push it as a function on the stack
- call the sandbox (or the file)

Now there are separate functions to do these 3:
- wplua_push_sandbox
- wplua_load_*
- wplua_pcall

In Lua, `0` is a truthy value, which means `not 0` is `false`. Compare
the resulting value from bitwise AND with 0 instead of checking it with
`if not` to ensure correctness.

The messages currently used in Wireplumber are also found in pipewire,
so merge translations from there.

Add simple gettext i18n module.

Add Lua script API functions I18n.gettext, I18n.ngettext.