handle ffprobe and ffmpeg not in path errors

Author: chrisweb

library/audioDataAnalyzer.js

@@ -127,6 +127,12 @@ analyzer.prototype.getData = function getDataFunction(trackPath, callback) {
 
     });
 
+    ffprobeSpawn.on('error', function(error) {
+
+        callback(error);
+
+    });
+    
 };
 
 /**
@@ -312,6 +318,12 @@ analyzer.prototype.getPeaks = function getValuesFunction(trackPath, peaksAmountR
 
             });
 
+            ffmpegSpawn.on('error', function(error) {
+
+                callback(error);
+
+            });
+            
         } else {
 
             callback(error);