diff -r a151135b0cf9 -r aa2539c91954 tracesrv/tracecore/btrace_handler/src/TraceCoreMediaPlugin.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecore/btrace_handler/src/TraceCoreMediaPlugin.cpp	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,142 @@
+// Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Trace Core media plugin
+//
+
+#include "TraceCoreMediaPlugin.h"
+#include "TraceCorePluginIf.h" 
+#include "TraceCore.h"
+#include "TraceCoreSendReceive.h"
+#include "TraceCoreMessageUtils.h"
+#include "OstTraceDefinitions.h"
+#include "TraceCoreSubscriber.h"
+
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "TraceCoreMediaPluginTraces.h"
+#endif
+
+
+
+/**
+ * Constructor
+ */
+EXPORT_C DTraceCoreMediaPlugin::DTraceCoreMediaPlugin()
+    {
+    }
+
+
+/**
+ * Destructor
+ */
+EXPORT_C DTraceCoreMediaPlugin::~DTraceCoreMediaPlugin()
+    {
+    Unregister();
+    }
+
+
+/**
+ * Registers this plug-in to TraceCore
+ */
+EXPORT_C TInt DTraceCoreMediaPlugin::Register()
+    {
+    TInt ret = KErrNone;
+    
+    // Get TraceCore
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if ( traceCore != NULL )
+        {
+        
+        // Get TraceCore Plugin interface and register this as a plugin
+        DTraceCorePluginIf* media = traceCore->GetSendReceive().GetPluginIf();
+        if ( media != NULL )
+            {
+            ret = media->RegisterPlugin( *this );
+            }
+        else
+            {
+            ret = KErrGeneral;
+            }
+        }
+    else
+        {
+        ret = KErrGeneral;
+        }
+    OstTrace1( TRACE_BORDER, DTRACECOREMEDIAPLUGIN_REGISTER_EXIT, "< DTraceCoreMediaPlugin::Register. Ret:%d", ret );
+    return ret;
+    }
+
+
+/**
+ * Called by the plug-in to notify TraceCore that message was received
+ * 
+ * @param aMsg The message that was received
+ */
+EXPORT_C void DTraceCoreMediaPlugin::MessageReceived( TTraceMessage &aMsg )
+    {
+    OstTraceExt1( TRACE_BORDER, DTRACECOREMEDIAPLUGIN_MESSAGERECEIVED_ENTRY, "> DTraceCoreMediaPlugin::MessageReceived. MsgId:0x%hhx", aMsg.iMessageId );
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if ( traceCore != NULL )
+        {
+        DTraceCorePluginIf* media = traceCore->GetSendReceive().GetPluginIf();
+        if ( media != NULL )
+            {
+            media->MessageReceived( aMsg );
+            }
+        }
+    }
+    
+
+/**
+ * Merges the header and data into a single buffer
+ * 
+ * @param aMsg Message to be sent.
+ * @param aMsgBlock The message block where data is merged
+ * @return Symbian error code
+ */
+EXPORT_C TInt DTraceCoreMediaPlugin::MergeHeaderAndData( const TTraceMessage& aMsg, TDes8& aTarget )
+	{
+	TInt ret = KErrNone;
+	TInt len = TTraceCoreMessageUtils::GetMessageLength( aMsg );
+	if ( len > 0 )
+		{
+		ret = TTraceCoreMessageUtils::MergeHeaderAndData( aMsg, aTarget );
+		}
+	else
+		{
+		ret = len;
+		}
+	OstTrace1( TRACE_FLOW, DTRACECOREMEDIAPLUGIN_MERGEHEADERANDDATA_EXIT, "< DTraceCoreMediaPlugin::MergeHeaderAndData. Ret:%d", ret );
+	return ret;
+	}
+ 
+/**
+ * Unregisters this plug-in
+ */
+void DTraceCoreMediaPlugin::Unregister()
+    {
+    // Get TraceCore
+    DTraceCore* traceCore = DTraceCore::GetInstance();
+    if ( traceCore != NULL )
+        {
+        
+        // Get Plugin interface and unregister this from it
+        DTraceCorePluginIf* media = traceCore->GetSendReceive().GetPluginIf();
+        if ( media != NULL )
+            {
+            media->UnregisterPlugin( *this );
+            }
+        }
+    }
+
+// End of File