wireplumber/0007-state-stream-fix-using-default-volume.patch

From df8bc12464c6b582fc1a5f46e4a3a025557bc58b Mon Sep 17 00:00:00 2001
From: George Kiagiadakis <george.kiagiadakis@collabora.com>
Date: Fri, 24 May 2024 20:36:28 +0300
Subject: [PATCH 7/7] state-stream: fix using the default volume

When there was no previous state stored, the default volume was
also not applied because the code would return from the hook early

Fixes: #655
---
 src/scripts/node/state-stream.lua | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/scripts/node/state-stream.lua b/src/scripts/node/state-stream.lua
index f5ac95d54..e2fc7efee 100644
--- a/src/scripts/node/state-stream.lua
+++ b/src/scripts/node/state-stream.lua
@@ -52,10 +52,7 @@ restore_stream_hook = SimpleEventHook {
       return
     end
 
-    local stored_values = getStoredStreamProps (key)
-    if not stored_values then
-      return
-    end
+    local stored_values = getStoredStreamProps (key) or {}
 
     -- restore node Props (volumes, channelMap, etc...)
     if Settings.get_boolean ("node.stream.restore-props") and stream_props ["state.restore-props"] ~= "false"
@@ -356,11 +353,14 @@ function buildDefaultChannelVolumes (node)
     end
   end
 
+  log:info (node, "using default volume: " .. tostring(def_vol) ..
+      ", channels: " .. tostring(channels))
+
   while (#res < channels) do
     table.insert(res, def_vol)
   end
 
-  return res;
+  return res
 end
 
 function getStoredStreamProps (key)
-- 
2.45.1