From 04a1f0eaebdfe1fdd1df0629a93a2187091ee0f0 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Thu, 9 Sep 2021 16:56:57 +0200
Subject: [PATCH 2/2] Prefer opus audio streams in listen mode

---
 src/invidious/views/components/player.ecr | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/invidious/views/components/player.ecr b/src/invidious/views/components/player.ecr
index c520fb5a..590cf6c5 100644
--- a/src/invidious/views/components/player.ecr
+++ b/src/invidious/views/components/player.ecr
@@ -7,6 +7,16 @@
         <source src="<%= URI.parse(hlsvp).request_target %><% if params.local %>?local=true<% end %>" type="application/x-mpegURL" label="livestream">
     <% else %>
         <% if params.listen %>
+            <%
+            opus_streams = audio_streams.select { |fmt|
+                metadata = itag_to_metadata?(fmt["itag"])
+                metadata ? metadata["acodec"] == "opus" : false
+            }.reverse!
+            if opus_streams.size > 0
+                audio_streams = opus_streams
+            end
+            audio_streams.sort_by! { |fmt| fmt["bitrate"].as_i }.reverse!
+            %>
             <% audio_streams.each_with_index do |fmt, i| %>
                 <source src="/latest_version?id=<%= video.id %>&itag=<%= fmt["itag"] %><% if params.local %>&local=true<% end %>" type='<%= fmt["mimeType"] %>' label="<%= fmt["bitrate"] %>k" selected="<%= i == 0 ? true : false %>">
             <% end %>
-- 
2.31.1