Ticket #2019: eventloop_thread_condition.patch

libs/libmythtv/tv_play.h

@@ -567 +567 @@
     /// runs pipnvp's NuppelVideoPlayer::StartPlaying().
     pthread_t pipdecode;
 
+    /// Condition to signal that the Event thread is up and running
+    QWaitCondition mainLoopCond;
+    QMutex mainLoopCondLock;
+
     // Constants
     static const int kInitFFRWSpeed; ///< 1x, default to normal speed
     static const int kMuteTimeout;   ///< Channel changing mute timeout in msec

libs/libmythtv/tv_play.cpp

@@ -484 +484 @@
         qApp->processEvents();
     }
 
+    mainLoopCondLock.lock();
     pthread_create(&event, NULL, EventThread, this);
+    mainLoopCond.wait(&mainLoopCondLock);
+    mainLoopCondLock.unlock();
 
-    while (!runMainLoop && !IsErrored())
-        usleep(50);
-
     return !IsErrored();
 }
 
@@ -1503 +1503 @@
     runMainLoop = true;
     exitPlayer = false;
 
+    mainLoopCondLock.lock();
+    mainLoopCond.wakeAll();
+    mainLoopCondLock.unlock();
+
     while (runMainLoop)
     {
         stateLock.lock();