update AudioSource open implementation

src/core/source/AudioSourceClipSeries.cpp

@@ -94,6 +94,7 @@ namespace talcs {
     bool AudioSourceClipSeries::open(qint64 bufferSize, double sampleRate) {
         Q_D(AudioSourceClipSeries);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         if (d->openAllClips(bufferSize, sampleRate))
             return AudioSource::open(bufferSize, sampleRate);
         return false;

src/core/source/BufferingAudioSource.cpp

@@ -132,6 +132,7 @@ namespace talcs {
     bool BufferingAudioSource::open(qint64 bufferSize, double sampleRate) {
         Q_D(BufferingAudioSource);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         flush();
         if (!d->src->open(bufferSize, sampleRate))
             return false;

src/core/source/FutureAudioSource.cpp

@@ -174,6 +174,7 @@ namespace talcs {
     bool FutureAudioSource::open(qint64 bufferSize, double sampleRate) {
         Q_D(FutureAudioSource);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         switch (status()) {
             case Running:
             case Paused:

src/core/source/FutureAudioSourceClipSeries.cpp

@@ -164,6 +164,7 @@ namespace talcs {
     bool FutureAudioSourceClipSeries::open(qint64 bufferSize, double sampleRate) {
         Q_D(FutureAudioSourceClipSeries);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         if (d->openAllClips(bufferSize, sampleRate))
             return AudioSource::open(bufferSize, sampleRate);
         return false;

src/core/source/MetronomeAudioSource.cpp

@@ -79,6 +79,7 @@ namespace talcs {
     bool MetronomeAudioSource::open(qint64 bufferSize, double sampleRate) {
         Q_D(MetronomeAudioSource);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         if (d->majorBeatSource)
             if (!d->majorBeatSource->open(bufferSize, sampleRate))
                 return false;

src/core/source/MixerAudioSource.cpp

@@ -60,6 +60,7 @@ namespace talcs {
     bool MixerAudioSource::open(qint64 bufferSize, double sampleRate) {
         Q_D(MixerAudioSource);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         if (d->start(bufferSize, sampleRate)) {
             return AudioSource::open(bufferSize, sampleRate);
         } else {

src/core/source/NoteSynthesizer.cpp

@@ -339,6 +339,7 @@ namespace talcs {
 
     bool NoteSynthesizer::open(qint64 bufferSize, double sampleRate) {
         Q_D(NoteSynthesizer);
+        AudioSource::close();
         flush(true);
         return AudioSource::open(bufferSize, sampleRate);
     }

src/core/source/PositionableMixerAudioSource.cpp

@@ -61,6 +61,7 @@ namespace talcs {
         Q_D(PositionableMixerAudioSource);
         QMutexLocker locker(&d->mutex);
         d->stop();
+        AudioSource::close();
         if (d->start(bufferSize, sampleRate)) {
             d->setNextReadPositionToAll(d->position);
             return PositionableAudioSource::open(bufferSize, sampleRate);

src/core/source/SineWaveAudioSource.cpp

@@ -49,10 +49,6 @@ namespace talcs {
         setFrequency(frequencyIntegration);
     }
 
-    bool SineWaveAudioSource::open(qint64 bufferSize, double sampleRate) {
-        return AudioSource::open(bufferSize, sampleRate);
-    }
-
     qint64 SineWaveAudioSource::processReading(const AudioSourceReadData &readData) {
         Q_D(SineWaveAudioSource);
         QMutexLocker locker(&d->mutex);

src/core/source/SineWaveAudioSource.h

@@ -35,7 +35,6 @@ namespace talcs {
         explicit SineWaveAudioSource(const std::function<double(qint64)> &frequencyIntegration);
         ~SineWaveAudioSource() override = default;
 
-        bool open(qint64 bufferSize, double sampleRate) override;
         qint64 length() const override;
 
         void setFrequency(double frequency);

src/core/source/TransportAudioSource.cpp

@@ -122,6 +122,7 @@ namespace talcs {
     bool TransportAudioSource::open(qint64 bufferSize, double sampleRate) {
         Q_D(TransportAudioSource);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         d->playbackStatus = Paused;
         if (d->src && !d->src->open(bufferSize, sampleRate)) {
             return false;

src/format/source/AudioFormatInputSource.cpp

@@ -117,6 +117,7 @@ namespace talcs {
     bool AudioFormatInputSource::open(qint64 bufferSize, double sampleRate) {
         Q_D(AudioFormatInputSource);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         if (!d->io)
             return false;
         if (d->io->open(AbstractAudioFormatIO::Read)) {

src/midi/integrator/AbstractMidiMessageIntegrator.cpp

@@ -35,6 +35,7 @@ namespace talcs {
     bool AbstractMidiMessageIntegrator::open(qint64 bufferSize, double sampleRate) {
         Q_D(AbstractMidiMessageIntegrator);
         QMutexLocker locker(&d->mutex);
+        AudioSource::close();
         if (d->stream && !d->stream->open(bufferSize, sampleRate))
             return false;
         return AudioSource::open(bufferSize, sampleRate);

src/midi/integrator/AudioMidiStream.cpp

@@ -32,6 +32,7 @@ namespace talcs {
     bool AudioMidiStream::open(qint64 bufferSize, double sampleRate) {
         Q_D(AudioMidiStream);
         QMutexLocker locker(&d->filterMutex);
+        AudioStreamBase::close();
         if (d->filter.loadRelaxed() && !d->filter.loadRelaxed()->open(bufferSize, sampleRate)) {
             return false;
         }