Add systemic latencies management in CoreAudio driver.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@1515 0c269be4-1314-0410-8aa9-9f06e86f4224

ChangeLog

@@ -1,6 +1,10 @@
 ---------------------------
   Jackdmp changes log
 ---------------------------
+
+2007-08-21 Stephane Letz  <letz@grame.fr>
+
+	* Add "systemic" latencies management in CoreAudio driver.
 
 2007-08-16 Stephane Letz  <letz@grame.fr>
 

macosx/JackCoreAudioDriver.cpp

@@ -823,9 +823,19 @@ int JackCoreAudioDriver::Attach()
             jack_error("Cannot register port for %s", buf);
             return -1;
         }
-
+		
+		size = sizeof(UInt32);
+		UInt32 value1 = 0;
+		UInt32 value2 = 0;
+		err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertyLatency, &size, &value1);	
+		if (err != noErr) 
+			JackLog("AudioDeviceGetProperty kAudioDevicePropertyLatency error \n");
+		err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertySafetyOffset, &size, &value2);	
+		if (err != noErr) 
+			JackLog("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error \n");
+	
         port = fGraphManager->GetPort(port_index);
-        port->SetLatency(fEngineControl->fBufferSize + fCaptureLatency);
+        port->SetLatency(fEngineControl->fBufferSize + value1 + value2 + fCaptureLatency);
         fCapturePortList[i] = port_index;
     }
 
@@ -849,9 +859,19 @@ int JackCoreAudioDriver::Attach()
             jack_error("Cannot register port for %s", buf);
             return -1;
         }
+		
+		size = sizeof(UInt32);
+		UInt32 value1 = 0;
+		UInt32 value2 = 0;
+		err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertyLatency, &size, &value1);	
+		if (err != noErr) 
+			JackLog("AudioDeviceGetProperty kAudioDevicePropertyLatency error \n");
+		err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertySafetyOffset, &size, &value2);	
+		if (err != noErr) 
+			JackLog("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error \n");
 
         port = fGraphManager->GetPort(port_index);
-        port->SetLatency(fEngineControl->fBufferSize + fPlaybackLatency);
+        port->SetLatency(fEngineControl->fBufferSize + value1 + value2 + fPlaybackLatency);
         fPlaybackPortList[i] = port_index;
 
         // Monitor ports