fix speed control

app/src/mobile/java/com/fongmi/android/tv/ui/dialog/ControlDialog.java

@@ -230,7 +230,7 @@ public class ControlDialog extends BaseDialog implements ParseAdapter.OnClickLis
 
     public void setPlayer() {
         binding.speed.setEnabled(player.canAdjustSpeed());
-        binding.speed.setValue(Math.max(player.getSpeed(), 0.5f));
+        binding.speed.setValue(Math.max(((int) (player.getSpeed()/0.25f) * 0.25f), 0.5f));
         binding.player.setText(parent.control.action.player.getText());
         binding.decode.setVisibility(parent.control.action.decode.getVisibility());
     }

app/src/mobile/res/layout/dialog_control.xml

@@ -21,8 +21,8 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="-12dp"
         android:layout_marginEnd="-12dp"
-        android:stepSize="0.1"
-        android:valueFrom="0.2"
+        android:stepSize="0.25"
+        android:valueFrom="0.5"
         android:valueTo="5"
         app:trackColorInactive="@color/blue_50" />