author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:04:58 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: RTP sender |
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* |
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*/ |
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#ifndef MCCRTPSENDER_H |
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#define MCCRTPSENDER_H |
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// INCLUDES |
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#include <e32base.h> |
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#include "rtpapi.h" |
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#include "rtpheader.h" |
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#include "mccexpirationhandler.h" |
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// FORWARD DECLARATIONS |
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class CMccRtpSendItem; |
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class CMccTimerManager; |
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// CLASS DECLARATION |
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// |
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class MMccRtpSenderObserver |
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{ |
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public: |
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virtual void SendErrorOccured( TInt aError ) = 0; |
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}; |
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class CMccRtpSender : public CActive, public MMccExpirationHandler |
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{ |
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public: |
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/** |
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* Create asynchronous rtp sender. |
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* |
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* @param aObserver |
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* @param aRtpApi |
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* @param aSessionId |
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* @param aDoMarkerBasedCleanup |
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*/ |
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static CMccRtpSender* NewL( MMccRtpSenderObserver& aObserver, |
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CRtpAPI& aRtpApi, |
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TRtpId aSessionId, |
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TBool aDoMarkerBasedCleanup ); |
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~CMccRtpSender(); |
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/** |
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* Send rtp packet asynchronously. If previous send is pending, packet |
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* is queued unless the queue is full. In that case the packet is discarded. |
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* |
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* @param aRtpStreamId |
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* @param aRtpHeader |
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* @param aData |
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*/ |
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void SendRtpPacketL( TRtpId aRtpStreamId, |
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const TRtpSendHeader& aRtpHeader, |
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const TDesC8& aData ); |
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/** |
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* Send a non-RTP (control) data packet. |
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* @param aSessionId RTP Session ID |
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* @param aUseRtpSocket Whether to use RTP or RTCP socket |
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* @param aData Non-RTP data packet to send |
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*/ |
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void SendDataL( TRtpId aSessionId, TBool aUseRtpSocket, |
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const TDesC8& aData ); |
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/** |
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* Cancels pending send operation and empties the queue. |
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*/ |
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void Clear(); |
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protected: // From CActive |
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void RunL(); |
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void DoCancel(); |
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TInt RunError( TInt aError ); |
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protected: // From MMccExpirationHandler |
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void TimerExpiredL( TMccTimerId aTimerId, TAny* aTimerParam ); |
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private: |
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void ConstructL(); |
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CMccRtpSender( MMccRtpSenderObserver& aObserver, |
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CRtpAPI& aRtpApi, |
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TRtpId aSessionId, |
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TBool aDoMarkerBasedCleanup ); |
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void SendPacketL(); |
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void RemovePacket( TBool aDoQueueCleanup = EFalse ); |
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TBool ErrorReport( TInt aError ); |
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TBool CheckDiscarding( const TRtpSendHeader& aRtpHeader ); |
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/** |
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* If packet for which aRtpHeader belongs was zero marker frame, |
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* that packet and everything related to that frame is removed from |
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* queue. If full frame couldn't yet be removed, upcoming parts |
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* of the frame are discarded once they are tried to be sent. |
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* |
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* @param aItemIndex |
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* @param aRtpHeader |
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* @return ETrue if queue item in aItemIndex was deleted, otherwise |
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* return EFalse |
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*/ |
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TBool DoQueueCleanup( TInt aItemIndex, const TRtpSendHeader& aRtpHeader ); |
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private: |
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MMccRtpSenderObserver& iObserver; |
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CRtpAPI& iRtpApi; |
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TRtpId iSessionId; |
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CMccTimerManager* iTimeoutTimer; |
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RPointerArray<CMccRtpSendItem> iSendQueue; |
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TBool iDoMarkerBasedCleanup; |
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TBool iDiscarding; |
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TUint32 iTimeoutTimeMilliseconds; |
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TMccTimerId iTimerId; |
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#ifdef TEST_EUNIT |
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public: |
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friend class UT_CMccRtpSender; |
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#endif |
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}; |
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class CMccRtpSendItem : public CBase |
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{ |
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public: |
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static CMccRtpSendItem* NewLC( TRtpId aRtpStreamId, |
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const TRtpSendHeader& aRtpHeader, |
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const TDesC8& aData ); |
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static CMccRtpSendItem* NewLC( TRtpId aSessionId, |
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TBool aUseRtpSocket, const TDesC8& aData ); |
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~CMccRtpSendItem(); |
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const TDesC8& DataPtr() const; |
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TRtpId RtpStreamId() const; |
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const TRtpSendHeader& RtpHeader() const; |
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TRtpId SessionId() const; |
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TBool UseRtpSocket() const; |
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private: |
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void ConstructL( const TDesC8& aData ); |
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CMccRtpSendItem( TRtpId aRtpStreamId, const TRtpSendHeader& aRtpHeader ); |
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CMccRtpSendItem( TRtpId aSessionId, TBool aUseRtpSocket ); |
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private: |
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HBufC8* iData; |
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TRtpId iRtpStreamId; |
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TRtpSendHeader iRtpHeader; |
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TPtrC8 iDataPtr; |
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TRtpId iSessionId; |
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TBool iUseRtpSocket; |
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private: // Friend classes |
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#ifdef TEST_EUNIT |
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friend class UT_CMccRtpSender; |
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#endif |
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}; |
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#endif // MCCRTPSENDER_H |
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// End of File |