Thom Johansen fix for port buffer alignment issues.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@1407 0c269be4-1314-0410-8aa9-9f06e86f4224

ChangeLog

@@ -2,6 +2,10 @@
   Jackdmp changes log
 ---------------------------
 
+2007-02-07 Stephane Letz  <letz@grame.fr>
+	
+	* Thom Johansen fix for port buffer alignment issues.
+
 2007-02-05 Stephane Letz  <letz@grame.fr>
 	
 	* Add Pieter Palmers FreeBob driver.

common/JackPort.h

@@ -52,7 +52,14 @@ class JackPort
         bool fLocked;
         jack_port_id_t fTied;   // Locally tied source port
 
-        float fBuffer[BUFFER_SIZE_MAX];
+	#ifdef WIN32
+        __declspec(align(16)) float fBuffer[BUFFER_SIZE_MAX];
+	#elif __GNUC__
+		float fBuffer[BUFFER_SIZE_MAX] __attribute__((aligned(16)));;
+	#else
+		#warning Buffer will not be aligned on 16 bytes boundaries : vector based code (Altivec of SSE) may fail 
+		float fBuffer[BUFFER_SIZE_MAX];
+	#endif
 
         bool IsUsed() const;