Resolve "Bug in ProcessorMotion / TimeStamp"

Closes #411 (closed)

src/capture/capture_motion.cpp

@@ -49,7 +49,7 @@ CaptureMotion::~CaptureMotion()
 
 bool CaptureMotion::containsTimeStamp (const TimeStamp& _ts, double _time_tolerance)
 {
-    assert(_ts.ok());
+    assert(_ts.ok() and this->time_stamp_.ok());
 
     // the same capture is within tolerance
     if (this->time_stamp_ - _time_tolerance <= _ts && _ts <= this->time_stamp_ + _time_tolerance)