From fe7a1f7951236d660a11167a35e05ae495e60b04 Mon Sep 17 00:00:00 2001
From: FedericoBusero <35894905+FedericoBusero@users.noreply.github.com>
Date: Mon, 27 Dec 2021 17:12:33 +0100
Subject: [PATCH] Fix RTTTL stop on ESP32 (#473)

Fixes #327
Fixes #471
---
 src/AudioGeneratorRTTTL.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/AudioGeneratorRTTTL.cpp b/src/AudioGeneratorRTTTL.cpp
index 87825bd9..5eb18486 100644
--- a/src/AudioGeneratorRTTTL.cpp
+++ b/src/AudioGeneratorRTTTL.cpp
@@ -41,7 +41,10 @@ AudioGeneratorRTTTL::~AudioGeneratorRTTTL()
 
 bool AudioGeneratorRTTTL::stop()
 {
-  if (!running) return true;
+  if (!file || !output)
+  {
+	  return false;
+  }
   running = false;
   output->stop();
   return file->close();