MetaDataFilterDecoder: add missing notifications

Author: pschatzmann

src/AudioTools/CoreAudio/AudioMetaData/MetaDataFilter.h

@@ -209,10 +209,12 @@ class MetaDataFilterDecoder : public AudioDecoder {
 
   void setOutput(AudioStream &out_stream) override {
     p_decoder->setOutput(out_stream);
+    addNotifyAudioChange(out_stream);
   }
 
   virtual void setOutput(AudioOutput &out_stream) override {
     p_decoder->setOutput(out_stream);
+    addNotifyAudioChange(out_stream);
   }
 
   /// Defines where the decoded result is written to

src/AudioTools/CoreAudio/Fade.h

@@ -311,7 +311,7 @@ class FadeStream : public ModifyingStream {
 
   bool isFadeComplete() { return fade.isFadeComplete(); }
 
-  // If can not provide any more samples we bring the last sample slowy back to 0
+  /// If you can not provide any more samples we bring the last sample slowy back to 0
   void writeEnd(Print &print, int steps = 200) {
     fade_last.end(print, steps);
   }