MIDI thread RT priority reworked a bit on OSX.

macosx/Jackdmp.xcodeproj/project.pbxproj

@@ -1861,7 +1861,7 @@
 		4BF8D2470834F20600C94B91 /* testSem.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = testSem.cpp; path = ../tests/testSem.cpp; sourceTree = SOURCE_ROOT; };
 		4BF8FB0D08AC88EF00D1A344 /* JackFrameTimer.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = JackFrameTimer.cpp; path = ../common/JackFrameTimer.cpp; sourceTree = SOURCE_ROOT; };
 		4BF8FB0E08AC88EF00D1A344 /* JackFrameTimer.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = JackFrameTimer.h; path = ../common/JackFrameTimer.h; sourceTree = SOURCE_ROOT; };
-		4BFA5E980DEC4D9C00FA4CDB /* testSem */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = testSem; sourceTree = BUILT_PRODUCTS_DIR; };
+		4BFA5E980DEC4D9C00FA4CDB /* testMutex */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = testMutex; sourceTree = BUILT_PRODUCTS_DIR; };
 		4BFA5E9E0DEC4DD900FA4CDB /* testMutex.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = testMutex.cpp; path = ../tests/testMutex.cpp; sourceTree = SOURCE_ROOT; };
 		4BFA828C0DF6A9E40087B4E1 /* jack_evmon */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = jack_evmon; sourceTree = BUILT_PRODUCTS_DIR; };
 		4BFA829F0DF6A9E40087B4E1 /* jack_bufsize */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = jack_bufsize; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -2662,7 +2662,7 @@
 				4B363F1E0DEB0A6A001F72D9 /* jack_monitor_client */,
 				4B363F350DEB0BD1001F72D9 /* jack_showtime */,
 				4B363F720DEB0D4E001F72D9 /* jack_impulse_grabber */,
-				4BFA5E980DEC4D9C00FA4CDB /* testSem */,
+				4BFA5E980DEC4D9C00FA4CDB /* testMutex */,
 				4BFA828C0DF6A9E40087B4E1 /* jack_evmon */,
 				4BFA829F0DF6A9E40087B4E1 /* jack_bufsize */,
 				4BFA82AB0DF6A9E40087B4E1 /* jack_rec */,
@@ -5871,7 +5871,7 @@
 			name = "testMutex Universal";
 			productInstallPath = /usr/local/bin;
 			productName = testSem;
-			productReference = 4BFA5E980DEC4D9C00FA4CDB /* testSem */;
+			productReference = 4BFA5E980DEC4D9C00FA4CDB /* testMutex */;
 			productType = "com.apple.product-type.tool";
 		};
 		4BFA82820DF6A9E40087B4E1 /* jack_evmon 64 bits */ = {
@@ -9502,6 +9502,7 @@
 					"-D__SMP__",
 					"-DMACH_RPC_MACH_SEMA",
 					"$(OTHER_CPLUSPLUSFLAGS_QUOTED_FOR_TARGET_1)",
+					"$(OTHER_CPLUSPLUSFLAGS_QUOTED_FOR_TARGET_2)",
 				);
 				OTHER_CPLUSPLUSFLAGS_QUOTED_FOR_TARGET_1 = "-DADDON_DIR=\\\"/usr/local/lib/jackmp\\\"";
 				OTHER_LDFLAGS = (

macosx/coremidi/JackCoreMidiDriver.cpp

@@ -267,8 +267,10 @@ JackCoreMidiDriver::Open(bool capturing, bool playing, int in_channels,
                    "client name string");
         return -1;
     }
+
     OSStatus status = MIDIClientCreate(name, HandleNotificationEvent, this,
                                        &client);
+
     CFRelease(name);
     if (status != noErr) {
         WriteMacOSError("JackCoreMidiDriver::Close", "MIDIClientCreate",
@@ -276,7 +278,6 @@ JackCoreMidiDriver::Open(bool capturing, bool playing, int in_channels,
         return -1;
     }
     char *client_name = fClientControl.fName;
-    int port_rt_priority = fEngineControl->fServerPriority + 1;
 
     // Allocate and connect virtual inputs
     if (in_channels) {
@@ -319,8 +320,7 @@ JackCoreMidiDriver::Open(bool capturing, bool playing, int in_channels,
                     new JackCoreMidiVirtualOutputPort(fAliasName, client_name,
                                                       playback_driver_name,
                                                       vo_count, client,
-                                                      time_ratio,
-                                                      port_rt_priority);
+                                                      time_ratio);
             } catch (std::exception e) {
                 jack_error("JackCoreMidiDriver::Open - while creating virtual "
                            "output port: %s", e.what());
@@ -387,8 +387,7 @@ JackCoreMidiDriver::Open(bool capturing, bool playing, int in_channels,
                     new JackCoreMidiPhysicalOutputPort(fAliasName, client_name,
                                                        playback_driver_name, i,
                                                        client, internal_output,
-                                                       time_ratio,
-                                                       port_rt_priority);
+                                                       time_ratio);
             } catch (std::exception e) {
                 jack_error("JackCoreMidiDriver::Open - while creating "
                            "physical output port: %s", e.what());

macosx/coremidi/JackCoreMidiOutputPort.cpp

@@ -26,7 +26,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 using Jack::JackCoreMidiOutputPort;
 
 JackCoreMidiOutputPort::JackCoreMidiOutputPort(double time_ratio,
-                                               int realtime_priority,
                                                size_t max_bytes,
                                                size_t max_messages):
     JackCoreMidiPort(time_ratio)
@@ -36,7 +35,6 @@ JackCoreMidiOutputPort::JackCoreMidiOutputPort(double time_ratio,
     thread_queue = new JackMidiAsyncWaitQueue(max_bytes, max_messages);
     std::auto_ptr<JackMidiAsyncWaitQueue> thread_ptr(thread_queue);
     thread = new JackThread(this);
-    this->realtime_priority = realtime_priority;
     thread_ptr.release();
     read_ptr.release();
 }
@@ -137,7 +135,15 @@ bool
 JackCoreMidiOutputPort::Init()
 {
     set_threaded_log_function();
-    if (thread->AcquireSelfRealTime(realtime_priority)) {
+
+    // OSX only...
+    UInt64 period = 0;
+    UInt64 computation = 500 * 1000;
+    UInt64 constraint = 500 * 1000;
+    thread->SetParams(period, computation, constraint);
+
+    // Use the server priority : y
+    if (thread->AcquireSelfRealTime()) {
         jack_error("JackCoreMidiOutputPort::Init - could not acquire realtime "
                    "scheduling.  Continuing anyway.");
     }

macosx/coremidi/JackCoreMidiOutputPort.h

@@ -39,7 +39,6 @@ namespace Jack {
 
         char packet_buffer[PACKET_BUFFER_SIZE];
         JackMidiBufferReadQueue *read_queue;
-        int realtime_priority;
         JackThread *thread;
         JackMidiAsyncWaitQueue *thread_queue;
 
@@ -55,7 +54,7 @@ namespace Jack {
 
     public:
 
-        JackCoreMidiOutputPort(double time_ratio, int realtime_priority, size_t max_bytes=4096,
+        JackCoreMidiOutputPort(double time_ratio, size_t max_bytes=4096,
                                size_t max_messages=1024);
 
         virtual

macosx/coremidi/JackCoreMidiPhysicalOutputPort.cpp

@@ -30,9 +30,9 @@ JackCoreMidiPhysicalOutputPort(const char *alias_name, const char *client_name,
                                const char *driver_name, int index,
                                MIDIClientRef client,
                                MIDIPortRef internal_output, double time_ratio,
-                               int realtime_priority, size_t max_bytes,
+                               size_t max_bytes,
                                size_t max_messages):
-    JackCoreMidiOutputPort(time_ratio, realtime_priority, max_bytes,
+    JackCoreMidiOutputPort(time_ratio, max_bytes,
                            max_messages)
 {
     MIDIEndpointRef destination = MIDIGetDestination(index);

macosx/coremidi/JackCoreMidiPhysicalOutputPort.h

@@ -43,7 +43,6 @@ namespace Jack {
                                        MIDIClientRef client,
                                        MIDIPortRef internal_output,
                                        double time_ratio,
-                                       int realtime_priority,
                                        size_t max_bytes=4096,
                                        size_t max_messages=1024);
 

macosx/coremidi/JackCoreMidiVirtualOutputPort.cpp

@@ -29,9 +29,9 @@ JackCoreMidiVirtualOutputPort::
 JackCoreMidiVirtualOutputPort(const char *alias_name, const char *client_name,
                               const char *driver_name, int index,
                               MIDIClientRef client, double time_ratio,
-                              int realtime_priority, size_t max_bytes,
+                              size_t max_bytes,
                               size_t max_messages):
-    JackCoreMidiOutputPort(time_ratio, realtime_priority, max_bytes,
+    JackCoreMidiOutputPort(time_ratio, max_bytes,
                            max_messages)
 {
     std::stringstream stream;

macosx/coremidi/JackCoreMidiVirtualOutputPort.h

@@ -37,7 +37,6 @@ namespace Jack {
                                       const char *client_name,
                                       const char *driver_name, int index,
                                       MIDIClientRef client, double time_ratio,
-                                      int realtime_priority,
                                       size_t max_bytes=4096,
                                       size_t max_messages=1024);