From ac59713ed0e7db23f1941460b82dc66abd2c7651 Mon Sep 17 00:00:00 2001
From: xiaoyifang <yifang.xiao@noreply.com>
Date: Mon, 13 Feb 2023 09:23:13 +0800
Subject: [PATCH] fix: repeat play the first played sound

---
 multimediaaudioplayer.cc | 20 ++++++++++++--------
 multimediaaudioplayer.hh |  3 ++-
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/multimediaaudioplayer.cc b/multimediaaudioplayer.cc
index 1d482ce9..466996cf 100644
--- a/multimediaaudioplayer.cc
+++ b/multimediaaudioplayer.cc
@@ -29,14 +29,14 @@ MultimediaAudioPlayer::MultimediaAudioPlayer()
 QString MultimediaAudioPlayer::play( const char * data, int size )
 {
   stop();
-
-  audioBuffer.setData( data, size );
-  if( !audioBuffer.open( QIODevice::ReadOnly ) )
+  audioBuffer = new QBuffer();
+  audioBuffer->setData( data, size );
+  if( !audioBuffer->open( QIODevice::ReadOnly ) )
     return tr( "Couldn't open audio buffer for reading." );
-#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
-  player.setSourceDevice (&audioBuffer );
+#if( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
+  player.setSourceDevice( audioBuffer );
 #else
-  player.setMedia( QMediaContent(), &audioBuffer );
+  player.setMedia( QMediaContent(), audioBuffer );
 #endif
   player.play();
   return QString();
@@ -48,8 +48,12 @@ void MultimediaAudioPlayer::stop()
 #if (QT_VERSION < QT_VERSION_CHECK(6,0,0))
   player.setMedia( QMediaContent() ); // Forget about audioBuffer.
 #endif
-  audioBuffer.close();
-  audioBuffer.setData( QByteArray() ); // Free memory.
+  if( audioBuffer )
+  {
+    audioBuffer->close();
+    audioBuffer->setData( QByteArray() ); // Free memory.
+    audioBuffer.clear();
+  }
 }
 
 void MultimediaAudioPlayer::onMediaPlayerError()
diff --git a/multimediaaudioplayer.hh b/multimediaaudioplayer.hh
index 472fe3c1..2a9e5ea5 100644
--- a/multimediaaudioplayer.hh
+++ b/multimediaaudioplayer.hh
@@ -12,6 +12,7 @@
 #if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
 #include <QAudioOutput>
 #endif
+#include <QPointer>
 
 class MultimediaAudioPlayer : public AudioPlayerInterface
 {
@@ -26,7 +27,7 @@ private slots:
   void onMediaPlayerError();
 
 private:
-  QBuffer audioBuffer;
+  QPointer<QBuffer> audioBuffer;
   QMediaPlayer player; ///< Depends on audioBuffer.
 #if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
   QAudioOutput audioOutput;