comparison audioio/AudioCallbackPlaySource.cpp @ 402:f7dddea0dbe0

Fix #1047 Floating-point exception on exit if no file loaded

     // This method attempts to estimate which audio sample frame is
     // "currently coming through the speakers".
 
     int targetRate = getTargetSampleRate();
     int latency = m_playLatency; // at target rate
-    RealTime latency_t = RealTime::frame2RealTime(latency, targetRate);
+    RealTime latency_t = RealTime::zeroTime;
+
+    if (targetRate != 0) {
+        latency_t = RealTime::frame2RealTime(latency, targetRate);
+    }
 
     return getCurrentFrame(latency_t);
 }
 
 int