audiolet_bug637643wa.diff

--- a/Audiolet.js	2011-03-11 22:44:58.856274000 -0600
+++ b/Audiolet.js	2011-03-11 22:44:02.196274002 -0600
@@ -213,16 +213,17 @@
     },
 
     tick: function() {
         var outputPosition = this.output.mozCurrentSampleOffset();
         // Check if some data was not written in previous attempts
         var numSamplesWritten;
         if (this.overflow) {
             numSamplesWritten = this.output.mozWriteAudio(this.overflow);
+            if(numSamplesWritten === 0) return;
             this.writePosition += numSamplesWritten;
             if (numSamplesWritten < this.overflow.length) {
                 // Not all the data was written, saving the tail for writing
                 // the next time fillBuffer is called
                 this.overflow = this.overflow.subarray(numSamplesWritten);
                 return;
             }
             this.overflow = null;