--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/inc/mmf/server/mmfdatapathproxy.h Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,162 @@
+// Copyright (c) 2001-2009 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:
+//
+
+#ifndef __MMFDATAPATHPROXY_H__
+#define __MMFDATAPATHPROXY_H__
+
+#include <e32base.h>
+#include <e32std.h>
+#include <ecom/ecom.h>
+#include <mmf/server/mmfdatapath.h>
+#include <mmf/server/mmfsubthreadbase.h>
+
+#define KMMFDataPathProxyVersion TVersion(8,0,0)
+
+/**
+The amount of time that is allowed for the datapath to close down before the its thread is killed.
+*/
+#define KMMFDataPathProxyShutdownTimeout TTimeIntervalMicroSeconds32(10000000)
+
+
+/**
+@publishedAll
+@released
+
+Mixin class that the user of the class CMMFDataPathEventMonitor must derive from.
+
+@since 7.0s
+*/
+class MMMFDataPathEventMonitorObserver
+ {
+public:
+
+ /**
+ Handles an event that has been generated by the datapath.
+
+ Called by CMMFDataPathEventMonitor::RunL().
+
+ @param aEvent
+ The event to be handled.
+
+ @since 7.0s
+ */
+ virtual void HandleEvent(const TMMFEvent& aEvent) = 0;
+ };
+
+class RMMFDataPathProxy; //forward reference
+
+/**
+@publishedAll
+@released
+
+Active object utility class that can be used to monitor a datapath that is running in its own
+thread for events. If an event occurs, the client will be notified via the
+MMMFDataPathEventMonitorObserver interface.
+
+@since 7.0s
+*/
+class CMMFDataPathEventMonitor : public CActive
+ {
+public:
+
+ IMPORT_C static CMMFDataPathEventMonitor* NewL(MMMFDataPathEventMonitorObserver& aObserver,
+ RMMFDataPathProxy& aMMFDataPathProxy);
+
+ IMPORT_C ~CMMFDataPathEventMonitor();
+
+ IMPORT_C void Start();
+
+ IMPORT_C void RunL();
+protected:
+
+ void DoCancel();
+private:
+
+ /**
+ Constructs a datapath event monitor object.
+
+ @param aObserver
+ A reference to the observer of the active object. The observer will be
+ notified when an event occurs.
+ @param aMMFDataPathProxy
+ A reference to the datapath proxy class.
+
+ @since 7.0s
+ */
+ CMMFDataPathEventMonitor(MMMFDataPathEventMonitorObserver& aObserver,
+ RMMFDataPathProxy& aMMFDataPathProxy);
+private:
+ MMMFDataPathEventMonitorObserver& iObserver;
+ RMMFDataPathProxy& iMMFDataPathProxy;
+ TMMFEventPckg iEventPckg;
+ };
+
+/**
+@publishedAll
+@released
+
+Proxy class used to create a datapath in a new subthread.
+*/
+class RMMFDataPathProxy : public RMMFSubThreadBase
+
+ {
+public:
+
+ /**
+ Constuctor.
+ */
+ RMMFDataPathProxy() : RMMFSubThreadBase(KMMFDataPathProxyShutdownTimeout) {};
+
+ IMPORT_C TInt CreateSubThread();
+
+ IMPORT_C TInt LoadDataPath();
+
+ IMPORT_C TInt LoadDataPath(TMediaId aMediaId);
+
+ IMPORT_C TInt LoadDataPath(TUid aCodecUid);
+
+ IMPORT_C TInt LoadDataPath(TUid aCodecUid, TMediaId aMediaId);
+
+ IMPORT_C TInt AddDataSource(MDataSource* aSource);
+
+ IMPORT_C TInt AddDataSink(MDataSink* aSink);
+
+ IMPORT_C TInt Prime();
+
+ IMPORT_C TInt Play();
+
+ IMPORT_C TInt Pause();
+
+ IMPORT_C TInt Stop();
+
+ IMPORT_C TInt GetPosition(TTimeIntervalMicroSeconds& aPosition) const;
+
+ IMPORT_C TInt SetPosition(const TTimeIntervalMicroSeconds& aPosition);
+
+ IMPORT_C TInt SetPlayWindow( const TTimeIntervalMicroSeconds& aStart, const TTimeIntervalMicroSeconds& aEnd ) ;
+
+ IMPORT_C TInt ClearPlayWindow() ;
+
+ IMPORT_C TInt State( TInt& aState ) ;
+
+ IMPORT_C void Close();
+ };
+
+#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <mmf/server/mmfdatapathproxyserver.h>
+#endif
+
+#endif
+