javauis/mmapi_qt/audiostreaming/inc.emc/cmmaaudiostreamplayer.h
branchRCL_3
changeset 24 0fd27995241b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/audiostreaming/inc.emc/cmmaaudiostreamplayer.h	Tue May 11 16:07:20 2010 +0300
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2002 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:  This class is used for streaming audio.
+*
+*/
+
+#ifndef CMMAAUDIOSTREAMPLAYER_H
+#define CMMAAUDIOSTREAMPLAYER_H
+
+//  INCLUDES
+#include "cmmaemcaudioplayer.h"
+#include "mmmastreamhandlerlistener.h"
+#include "cmmaemcresolver.h"
+#include <MetaDataUtility.h>
+
+class CMMADataSourceStream;
+class CMMAStreamHandler;
+
+
+//  CLASS DECLARATION
+/**
+*   This class is used for playing audio from stream source.
+*/
+NONSHARABLE_CLASS(CMMAAudioStreamPlayer): public CMMAEMCAudioPlayer,
+        public MMMAStreamHandlerListener
+{
+public: // Construction
+    /**
+     * Creates new player.
+     */
+    static CMMAAudioStreamPlayer* NewLC(
+        CMMAEMCResolver* aResolver);
+
+    //   Destructor
+    ~CMMAAudioStreamPlayer();
+
+protected:
+    //   C++ constructor
+    CMMAAudioStreamPlayer(CMMAEMCResolver* aResolver);
+    void ConstructL();
+
+private: // New methods
+
+    /**
+     * Starts playback and posts started event.
+     */
+    void PrivateStartL();
+
+public: // New methods
+    /**
+     * Pause playback without sending stopped event or changing state
+     */
+    TInt Pause();
+
+public: // from CMMAPlayer
+    void DeallocateL();
+    void StartL();
+    void PrefetchL();
+    CMMASourceStream* AddSourceStreamL(JNIEnv* aJNIEnv,
+                                       MMAFunctionServer* aEventSource,
+                                       jobject aReader);
+
+    void GetDuration(TInt64* aDuration);
+    void StopL(TBool aPostEvent);
+
+protected: // From CMMAEMCAudioPlayer
+    void PlayCompleteL(TInt aError);
+
+public:
+    void AddDataSourceToStreamL();
+    void CreateStreamL();
+    CMetaDataUtility* MetaDataUtilityOwnership();
+
+public: // from MMMAStreamHandlerListener
+    void PrepareComplete(TInt aError);
+    void StartComplete(TInt aError);
+    void HandleError(TInt aError);
+
+public: // from MControlObserver
+    void Event(MControl* aControl,
+               TUint aEventType,
+               TAny* aEventObject);
+
+private: // data
+    // owned stream handler
+    CMMAStreamHandler* iStreamHandler;
+
+    // controller's state, prime panics if called twice
+    TBool iControllerPrimed;
+
+    // created here and ownership is transferred to
+    // CMMAAudioStreamMetaDataControl by call to
+    // MetaDataUtilityOwnership()
+    CMetaDataUtility* iMetaDataUtility;
+};
+
+#endif // CMMAAUDIOSTREAMPLAYER_H