audio: add "dbus" audio backend

Add a new -audio backend that accepts D-Bus clients/listeners to handle
playback & recording, to be exported via the -display dbus.

Example usage:
-audiodev dbus,in.mixing-engine=off,out.mixing-engine=off,id=dbus
-display dbus,audiodev=dbus

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/ui/dbus.h b/ui/dbus.h
index 4698d32463..ca1f0f4ab9 100644
--- a/ui/dbus.h
+++ b/ui/dbus.h
@@ -36,6 +36,7 @@ struct DBusDisplay {
     DisplayGLMode gl_mode;
     bool p2p;
     char *dbus_addr;
+    char *audiodev;
     DisplayGLCtx glctx;
 
     GDBusConnection *bus;