reference player work

memory usage cap, garbage collection and sinc interpolation
also ability to set playback position to a negative value

src/log.cpp

@@ -253,8 +253,8 @@ bool finishLogFile() {
 
   // flush
   logFileLockI.lock();
-  logFileNotify.notify_one();
   while (!iAmReallyDead) {
+    logFileNotify.notify_one();
     std::this_thread::yield();
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
   }