Added playback queue clear

Author: rjtokenring

src/arduino/app_bricks/sound_generator/__init__.py

@@ -549,3 +549,9 @@ def play_abc(self, abc_string: str, volume: float = None, wait_completion: bool
             overall_duration += duration
         if wait_completion:
             time.sleep(overall_duration)
+
+    def clear_playback_queue(self):
+        """
+        Clear the playback queue of the output device.
+        """
+        self._output_device.clear_playback_queue()

src/arduino/app_bricks/sound_generator/examples/1_play_sequence.py

@@ -46,8 +46,10 @@
     ("A4", 1),
 ]
 
+
 def user_lp():
     for note, duration in fur_elise:
         player.play(note, duration)
 
+
 App.run(user_loop=user_lp)

src/arduino/app_peripherals/speaker/__init__.py

@@ -504,3 +504,15 @@ def play(self, data: bytes | np.ndarray, block_on_queue: bool = False):
         except queue.Full:
             # logger.warning("Playback queue is full, dropping oldest data.")
             self._playing_queue.get_nowait()
+
+    def is_reproducing(self) -> bool:
+        """Check if the speaker is currently reproducing audio.
+
+        Returns:
+            bool: True if reproducing, False otherwise.
+        """
+        return self._is_reproducing.is_set()
+
+    def clear_playback_queue(self):
+        """Clear the playback queue."""
+        self._clear_queue()