comparison audioio/AudioCallbackPlaySource.cpp @ 414:b65ee5c4f8bc

Refuse to play if no sample rate available (fixes crash when playing after deleting only pane)

 }
 
 void
 AudioCallbackPlaySource::play(int startFrame)
 {
+    if (!m_sourceSampleRate) {
+        cerr << "AudioCallbackPlaySource::play: No source sample rate available, not playing" << endl;
+        return;
+    }
+    
     if (m_viewManager->getPlaySelectionMode() &&
 	!m_viewManager->getSelections().empty()) {
 
         SVDEBUG << "AudioCallbackPlaySource::play: constraining frame " << startFrame << " to selection = ";