From c8fa5a9b2fd5f4a9a5fe3b1e0876702a1d6dd5e2 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Thu, 9 Sep 2021 16:56:57 +0200
Subject: [PATCH] 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 fffefc9a..9c9ce553 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|
                 src_url  = "/latest_version?id=#{video.id}&itag=#{fmt["itag"]}"
                 src_url += "&local=true" if params.local
-- 
2.33.3