Fixed some error handling for notifications

NotificationAudio.cpp

@@ -33,6 +33,7 @@ void NotificationAudio::init(const QAudioDeviceInfo &device, const QAudioFormat&
     if(!m_decoder){
         m_decoder = new QAudioDecoder(this);
         connect(m_decoder, &QAudioDecoder::bufferReady, this, &NotificationAudio::bufferReady);
+        connect(m_decoder, static_cast<void(QAudioDecoder::*)(QAudioDecoder::Error)>(&QAudioDecoder::error), this, &NotificationAudio::errored);
         connect(m_decoder, &QAudioDecoder::finished, this, &NotificationAudio::finished);
     }
     m_decoder->setAudioFormat(m_format);
@@ -66,21 +67,11 @@ void NotificationAudio::playFile(const QString &filePath){
 
     resetBuffers();
 
-    m_file.setFileName(filePath);
-    if (!m_file.open(QFile::ReadOnly)){
-        return;
-    }
-
-    if(!m_file.isReadable()){
-        return;
-    }
-
-    m_decoder->setSourceDevice(&m_file);
-    m_decoder->start();
-
     m_state = State::Playing;
     emit stateChanged(m_state);
 
+    m_decoder->setSourceFilename(filePath);
+    m_decoder->start();
     m_audio->start(this);
 }
 
@@ -94,7 +85,6 @@ void NotificationAudio::stop() {
 // Reset the internal buffers and ensure the decoder and audio device is stopped
 void NotificationAudio::resetBuffers() {
     if(m_audio){
-
         if(m_audio->state() != QAudio::SuspendedState){
             m_audio->suspend();
         }
@@ -106,10 +96,6 @@ void NotificationAudio::resetBuffers() {
         }
     }
 
-    if(m_file.isOpen()){
-        m_file.close();
-    }
-
     m_data.clear();
     m_isDecodingFinished = false;
 }
@@ -156,6 +142,9 @@ bool NotificationAudio::atEnd() const {
 // handle buffered data ready
 void NotificationAudio::bufferReady() {
     const QAudioBuffer &buffer = m_decoder->read();
+    if(!buffer.isValid()){
+        return;
+    }
 
     const int length = buffer.byteCount();
     const char *data = buffer.constData<char>();
@@ -167,3 +156,8 @@ void NotificationAudio::bufferReady() {
 void NotificationAudio::finished() {
     m_isDecodingFinished = true;
 }
+
+// handle buffered data decoding error
+void NotificationAudio::errored(QAudioDecoder::Error /*error*/) {
+    stop();
+}

NotificationAudio.h

@@ -37,7 +37,6 @@ protected:
     qint64 writeData(const char* data, qint64 len) override;
 
 private:
-    QFile m_file;
     State m_state;
     QBuffer m_input;
     QBuffer m_output;
@@ -56,6 +55,7 @@ private:
 private slots:
     void bufferReady();
     void finished();
+    void errored(QAudioDecoder::Error);
 
 signals:
     void initialized();