Disconnect probe control in case source was destroyed.

Change-Id: Ibc4583af8acf7d28ee2504f246840a26e3a527be
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>
Reviewed-by: Mithra Pattison <mithra.pattison@nokia.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/multimedia/audio/qaudioprobe.cpp b/src/multimedia/audio/qaudioprobe.cpp
index 6dd7d7258..8e7aed4a0 100644
--- a/src/multimedia/audio/qaudioprobe.cpp
+++ b/src/multimedia/audio/qaudioprobe.cpp
@@ -125,6 +125,14 @@ bool QAudioProbe::setSource(QMediaObject *source)
     // 1) disconnect from current source if necessary
     // 2) see if new one has the probe control
     // 3) connect if so
+
+    // in case source was destroyed but probe control is still valid
+    if (!d->source && d->probee) {
+        disconnect(d->probee.data(), SIGNAL(audioBufferProbed(QAudioBuffer)), this, SIGNAL(audioBufferProbed(QAudioBuffer)));
+        disconnect(d->probee.data(), SIGNAL(flush()), this, SIGNAL(flush()));
+        d->probee.clear();
+    }
+
     if (source != d->source.data()) {
         if (d->source) {
             Q_ASSERT(d->probee);