2 files changed, 28 insertions, 4 deletions
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/playback/ExoPlayerWrapper.java b/core/src/main/java/de/danoeh/antennapod/core/service/playback/ExoPlayerWrapper.java
index 79cd97fd2..1900ed7f2 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/service/playback/ExoPlayerWrapper.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/service/playback/ExoPlayerWrapper.java
@@ -7,6 +7,7 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.view.SurfaceHolder;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.core.util.Consumer;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.DefaultLoadControl;
@@ -37,6 +38,7 @@ import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.upstream.HttpDataSource;
 import de.danoeh.antennapod.core.ClientConfig;
 import de.danoeh.antennapod.core.R;
+import de.danoeh.antennapod.model.feed.VolumeAdaptionSetting;
 import de.danoeh.antennapod.storage.preferences.UserPreferences;
 import de.danoeh.antennapod.core.service.download.AntennapodHttpClient;
 import de.danoeh.antennapod.core.service.download.HttpCredentialEncoder;
@@ -69,7 +71,8 @@ public class ExoPlayerWrapper {
     private PlaybackParameters playbackParameters;
     private DefaultTrackSelector trackSelector;
 
-    private LoudnessEnhancer loudnessEnhancer;
+    @Nullable
+    private LoudnessEnhancer loudnessEnhancer = null;
 
     ExoPlayerWrapper(Context context) {
         this.context = context;
@@ -247,11 +250,15 @@ public class ExoPlayerWrapper {
     public void setVolume(float v, float v1) {
         if (v > 1) {
             exoPlayer.setVolume(1f);
-            loudnessEnhancer.setEnabled(true);
-            loudnessEnhancer.setTargetGain((int) (1000 * (v - 1)));
+            if (loudnessEnhancer != null) {
+                loudnessEnhancer.setEnabled(true);
+                loudnessEnhancer.setTargetGain((int) (1000 * (v - 1)));
+            }
         } else {
             exoPlayer.setVolume(v);
-            loudnessEnhancer.setEnabled(false);
+            if (loudnessEnhancer != null) {
+                loudnessEnhancer.setEnabled(false);
+            }
         }
     }
 
@@ -354,6 +361,10 @@ public class ExoPlayerWrapper {
     }
 
     private void initLoudnessEnhancer(int audioStreamId) {
+        if (!VolumeAdaptionSetting.isBoostSupported()) {
+            return;
+        }
+
         LoudnessEnhancer newEnhancer = new LoudnessEnhancer(audioStreamId);
         LoudnessEnhancer oldEnhancer = this.loudnessEnhancer;
         if (oldEnhancer != null) {
diff --git a/core/src/test/java/de/danoeh/antennapod/core/feed/VolumeAdaptionSettingTest.java b/core/src/test/java/de/danoeh/antennapod/core/feed/VolumeAdaptionSettingTest.java
index 30767bdc8..966351a5e 100644
--- a/core/src/test/java/de/danoeh/antennapod/core/feed/VolumeAdaptionSettingTest.java
+++ b/core/src/test/java/de/danoeh/antennapod/core/feed/VolumeAdaptionSettingTest.java
@@ -1,6 +1,9 @@
 package de.danoeh.antennapod.core.feed;
 
 import de.danoeh.antennapod.model.feed.VolumeAdaptionSetting;
+
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 
 import static org.hamcrest.Matchers.equalTo;
@@ -11,6 +14,16 @@ import static org.junit.Assert.assertTrue;
 
 public class VolumeAdaptionSettingTest {
 
+    @Before
+    public void setUp() throws Exception {
+        VolumeAdaptionSetting.setBoostSupported(false);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        VolumeAdaptionSetting.setBoostSupported(null);
+    }
+
     @Test
     public void mapOffToInteger() {
         VolumeAdaptionSetting setting = VolumeAdaptionSetting.OFF;