Fix ReplayGain metadata calculation and usage (#5084)

* Add FFMpeg binary to Ansible base dependencies

* Add replaygain operator line to LS config writer

* Update changelog

CHANGELOG.md

@@ -29,6 +29,10 @@ release channel, you can take advantage of these new features and fixes.
 
 - Fixed a bug where album art on the song requests page wouldn't respect "Prefer Browser URL" setting.
 
+- Fixed a bug where Liquidsoap wasn't calculating the ReplayGain values of tracks due to a missing binary
+
+- Added a missing Liquidsoap operator call to apply calculated ReplayGain values on the stream
+
 ---
 
 # AzuraCast 0.15.0 (Jan 12, 2022)

src/Radio/Backend/Liquidsoap/ConfigWriter.php

@@ -956,6 +956,7 @@ class ConfigWriter implements EventSubscriberInterface
                 <<<EOF
                 # Replaygain Metadata
                 enable_replaygain_metadata()
+                radio = replaygain(radio)
                 EOF
             );
         }

update.sh

@@ -34,7 +34,7 @@ else
 fi
 
 APP_ENV="${APP_ENV:-production}"
-UPDATE_REVISION="${UPDATE_REVISION:-72}"
+UPDATE_REVISION="${UPDATE_REVISION:-73}"
 
 echo "Updating AzuraCast (Environment: $APP_ENV, Update revision: $UPDATE_REVISION)"
 

util/ansible/roles/azuracast-radio/tasks/liquidsoap.yml

@@ -48,6 +48,7 @@
       - libx11-dev
       - libxpm-dev
       - bubblewrap
+      - ffmpeg
 
 - name: Install Optional Audio Plugins
   apt:

util/ansible/update.yml

@@ -20,7 +20,7 @@
     - role: "azuracast-config"
 
     - role: "azuracast-radio"
-      when: update_revision|int < 70
+      when: update_revision|int < 73
 
     - role: "supervisord"
       when: update_revision|int < 13