filter-chain: add convolver

src/daemon/filter-chain/sink-convolver.conf

@@ -0,0 +1,54 @@
+# Convolver sink
+#
+# start with pipewire -c filter-chain/sink-convolver.conf
+#
+context.properties = {
+    log.level        = 0
+}
+
+context.spa-libs = {
+    audio.convert.* = audioconvert/libspa-audioconvert
+    support.*       = support/libspa-support
+}
+
+context.modules = [
+    {   name = libpipewire-module-rtkit
+        args = {
+            #nice.level   = -11
+            #rt.prio      = 88
+            #rt.time.soft = 2000000
+            #rt.time.hard = 2000000
+        }
+        flags = [ ifexists nofail ]
+    }
+    {   name = libpipewire-module-protocol-native }
+    {   name = libpipewire-module-client-node }
+    {   name = libpipewire-module-adapter }
+
+    {   name = libpipewire-module-filter-chain
+        args = {
+            node.name = "effect_output.convolver"
+            node.description = "Convolver Sink"
+            media.name = "Convolver Sink"
+            filter.graph = {
+                nodes = [
+                    {
+                        type = builtin
+                        name = convolver
+                        label = convolver
+                    }
+                ]
+            }
+            capture.props = {
+                media.class = Audio/Sink
+                audio.channels = 2
+                audio.position = [ FL FR ]
+            }
+            playback.props = {
+                node.passive = true
+                audio.channels = 2
+                audio.position = [ FL FR ]
+            }
+        }
+    }
+]