diff --git a/app/src/main/java/org/schabi/newpipe/ReCaptchaActivity.java b/app/src/main/java/org/schabi/newpipe/ReCaptchaActivity.java
index d72f729b5..4219638d6 100644
--- a/app/src/main/java/org/schabi/newpipe/ReCaptchaActivity.java
+++ b/app/src/main/java/org/schabi/newpipe/ReCaptchaActivity.java
@@ -18,7 +18,7 @@ import android.webkit.WebViewClient;
 
 import org.schabi.newpipe.util.ThemeHelper;
 
-import javax.annotation.Nonnull;
+import androidx.annotation.NonNull;
 
 /*
  * Created by beneth <bmauduit@beneth.fr> on 06.12.16.
@@ -147,7 +147,7 @@ public class ReCaptchaActivity extends AppCompatActivity {
         // add other methods to extract cookies here
     }
 
-    private void addYoutubeCookies(@Nonnull String cookies) {
+    private void addYoutubeCookies(@NonNull String cookies) {
         if (cookies.contains("s_gl=") || cookies.contains("goojf=") || cookies.contains("VISITOR_INFO1_LIVE=")) {
             // youtube seems to also need the other cookies:
             addCookie(cookies);
diff --git a/app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java b/app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java
index 31f7dd74a..3340f1107 100644
--- a/app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java
+++ b/app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java
@@ -909,6 +909,18 @@ public final class MainVideoPlayer extends AppCompatActivity
                 final float currentVolumeNormalized = (float) getAudioReactor().getVolume() / getAudioReactor().getMaxVolume();
                 volumeProgressBar.setProgress((int) (volumeProgressBar.getMax() * currentVolumeNormalized));
             }
+
+            float screenBrightness = getWindow().getAttributes().screenBrightness;
+            if (screenBrightness < 0)
+                screenBrightness = Settings.System.getInt(getContentResolver(),
+                        Settings.System.SCREEN_BRIGHTNESS, 0) / 255.0f;
+
+            brightnessProgressBar.setProgress((int) (brightnessProgressBar.getMax() * screenBrightness));
+
+            if (DEBUG) Log.d(TAG, "setInitialGestureValues: volumeProgressBar.getProgress() ["
+                    + volumeProgressBar.getProgress() + "] "
+                    + "brightnessProgressBar.getProgress() ["
+                    + brightnessProgressBar.getProgress() + "]");
         }
 
         @Override
diff --git a/app/src/main/java/org/schabi/newpipe/streams/Mp4FromDashWriter.java b/app/src/main/java/org/schabi/newpipe/streams/Mp4FromDashWriter.java
index 57a7aaa9c..64e4534cb 100644
--- a/app/src/main/java/org/schabi/newpipe/streams/Mp4FromDashWriter.java
+++ b/app/src/main/java/org/schabi/newpipe/streams/Mp4FromDashWriter.java
@@ -291,7 +291,9 @@ public class Mp4FromDashWriter {
                 sampleCount[i] = 1;// the index is not base zero
                 sampleExtra[i] = -1;
             }
-            writeEntryArray(tablesInfo[i].sbgp, 1, sampleCount[i]);
+            if (tablesInfo[i].sbgp > 0) {
+                writeEntryArray(tablesInfo[i].sbgp, 1, sampleCount[i]);
+            }
         }
 
         if (auxBuffer == null) {