From 0c7866eda3266bd7cba8bc6af03d969b777e188d Mon Sep 17 00:00:00 2001
From: Volker Fischer <corrados@users.noreply.github.com>
Date: Mon, 8 Jun 2020 21:47:36 +0200
Subject: [PATCH] initial OMP processing tests

---
 Jamulus.pro    | 10 ++++++++++
 src/server.cpp |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/Jamulus.pro b/Jamulus.pro
index 27568b72..42f4dad8 100755
--- a/Jamulus.pro
+++ b/Jamulus.pro
@@ -6,6 +6,16 @@ contains(CONFIG, "noupcasename") {
     TARGET = jamulus
 }
 
+# support multi-threading with OMP if requested
+contains(CONFIG, "multithreading") {
+    unix {
+        message(The OpenMP multithreading is enabled.)
+        DEFINES += USE_OMP
+        QMAKE_CXXFLAGS += -fopenmp
+        QMAKE_LFLAGS += -fopenmp
+    }
+}
+
 CONFIG += qt \
     thread \
     release
diff --git a/src/server.cpp b/src/server.cpp
index acab3b19..d072bd5d 100755
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -953,6 +953,9 @@ static CTimingMeas JitterMeas ( 1000, "test2.dat" ); JitterMeas.Measure(); // TE
                                                                  vecChannelLevels );
         }
 
+#ifdef USE_OMP
+# pragma omp parallel for
+#endif
         for ( int i = 0; i < iNumClients; i++ )
         {
             int                iClientFrameSizeSamples = 0; // initialize to avoid a compiler warning