--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/voipaudioservices/VoIPIntfc/inc/VoIPDownlinkStreamImpl.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,364 @@
+/*
+* Copyright (c) 2007-2008 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:  VOIP Audio Services
+*
+*/
+
+
+#ifndef __VOIPDOWNLINKSTREAMIMPL_H
+#define __VOIPDOWNLINKSTREAMIMPL_H
+
+
+// INCLUDES
+#include <voipdownlinkstream.h>
+#include "VoIPAudioSession.h"
+#include "VoIPDtmfTonePlayerImpl.h"
+#include "VoIPQueueHandler.h"
+
+
+/**
+ *  CVoIPAudioDownlinkStreamImpl class
+ *
+ *  ?more_complete_description
+ *
+ *  @lib VoIPAudioIntfc.dll
+ *  @since S60 v5.0
+ */
+NONSHARABLE_CLASS(CVoIPAudioDownlinkStreamImpl) :
+                    public CBase,
+                    public CVoIPAudioDownlinkStream,
+                    public MQueueHandlerObserver
+    {
+    enum TQueueType
+        {
+        EMsgBufQueue,
+        EMsgComQueue
+        };
+
+public:
+
+    /**
+     * 2-phased constructor
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return none
+     */
+    static CVoIPAudioDownlinkStreamImpl* NewL(
+                    const TMMFPrioritySettings aPriority);
+
+    /**
+     * Destructor
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return none
+     */
+    virtual ~CVoIPAudioDownlinkStreamImpl();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param MVoIPDownlinkObserver&
+     * @return TInt
+     */
+    TInt Open(MVoIPDownlinkObserver& aObserver);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVersion&
+     * @return TInt
+     */
+    TInt GetVersion(TVersion& aVersion);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TInt&
+     * @return TInt
+     */
+    TInt GetMaxVolume(TInt& aVolume);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TInt
+     * @return TInt
+     */
+    TInt SetVolume(TInt aVolume);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TInt&
+     * @return TInt
+     */
+    TInt GetVolume(TInt& aVolume);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param const TMMFPrioritySettings
+     * @param RArray<TVoIPCodecFormat>&
+     * @return void
+     */
+    void GetSupportedFormatsL(const TMMFPrioritySettings aPriority,
+                              RArray<TVoIPCodecFormat>& aFormats);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVoIPCodecFormat
+     * @param CVoIPFormatIntfc&
+     * @return void
+     */
+    void SetFormatL(TVoIPCodecFormat aFormat, CVoIPFormatIntfc*& aIntfc);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return TVoIPCodecFormat
+     */
+    TVoIPCodecFormat GetFormat();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVoIPOutputDevice
+     * @return TInt
+     */
+    TInt SetAudioDevice(const TVoIPOutputDevice aDevice);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVoIPOutputDevice&
+     * @return TInt
+     */
+    TInt GetAudioDevice(TVoIPOutputDevice& aDevice);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return TInt
+     */
+    TInt Start();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return TInt
+     */
+    TInt Stop();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return void
+     */
+    void Close();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param CVoIPDataBuffer*
+     * @return TInt
+     */
+    TInt BufferFilled(CVoIPDataBuffer* aBuffer);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param CVoIPJitterBufferIntfc*&
+     * @return void
+     */
+    void CreateJitterBufferIntfcL(CVoIPJitterBufferIntfc*& aJBIntfc);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return RVoIPAudioSession*
+     */
+    RVoIPAudioSession* GetSession();
+
+
+// From MQueueHandlerObserver
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param CVoIPDataBuffer*
+     * @return void
+     */
+    virtual void FillBuffer(CVoIPDataBuffer* aBuffer);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TPtr8
+     * @return void
+     */
+    virtual void EmptyBuffer(CVoIPDataBuffer* /*aBuffer*/) {}
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TInt
+     * @param TInt
+     * @return void
+     */
+    virtual void Event(TInt aEventType, TInt aError);
+
+private:
+
+    /**
+     * Constructor
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return TInt
+     */
+    CVoIPAudioDownlinkStreamImpl();
+
+    /**
+     * Symbian constructor
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return void
+     */
+    void ConstructL(const TMMFPrioritySettings aPriority);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TDesC&
+     * @param TInt
+     * @param TQueueType
+     * @return TInt
+     */
+    TInt CreateQueue(const TDesC& aQueueName,
+                     const TInt aNumSlots,
+                     const TQueueType aQueueType);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return void
+     */
+    void ReceiveMsgQHandlerEventsL();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return void
+     */
+    void ReceiveMsgQComHandlerEventsL();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVoIPCodecFormat
+     * @return TFourCC
+     */
+    TUint32 CodecFourCC(TVoIPCodecFormat aFormat);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TUint32
+     * @return TVoIPCodecFormat
+     */
+    TVoIPCodecFormat ConvertFourCC(TUint32 aCodec);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVoIPCodecFormat
+     * @return TBool
+     */
+    TBool IsCodecSupportedL(TVoIPCodecFormat aFormat);
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param TVoIPCodecFormat
+     * @return TBool
+     */
+    TBool FindFormat(TVoIPCodecFormat aFormat);
+
+private:
+    friend class CDTMFTonePlayerImpl;
+
+private:
+// Client side VoIP server session
+    RVoIPAudioSession         iVoIPAudioSession;
+
+    MVoIPDownlinkObserver*    iObserver;
+
+// Message queues
+    RMsgQueue<TVoIPMsgBuf>    iMsgQueue;
+    RMsgQueue<TVoIPMsgBuf>    iMsgComQueue;
+
+// Message queue handlers
+    CQueueHandler*            iMsgQHandler;
+    CQueueHandler*            iMsgQComHandler;
+
+    TMMFPrioritySettings      iPriority;
+    TPtr8                     iBufferPtr;
+    TInt                      iBufferLen;
+    TInt                      iG711FrameSize;
+
+    TVoIPCodecFormat          iFormat;
+    RArray<TVoIPCodecFormat>* iCodecFormats;
+
+    };
+
+#endif //__VOIPDOWNLINKSTREAMIMPL_H
+
+// End of file