author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 13 Oct 2010 14:59:15 +0300 | |
branch | RCL_3 |
changeset 59 | b0e4b01681c5 |
parent 0 | 1bce908db942 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: |
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* |
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*/ |
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#ifndef MCCRESOURCES_H |
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#define MCCRESOURCES_H |
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// INCLUDES |
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#include <e32base.h> |
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#include "rtpdef.h" |
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// CONSTANTS |
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// MACROS |
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// DATA TYPES |
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// FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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class MDataSink; |
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class MDataSource; |
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class TMccEvent; |
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class CMccMultiplexer; |
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class MMccTimerManager; |
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class CMMFBuffer; |
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class TMccVideoSinkSetting; |
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// CLASS DECLARATION |
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class TMccResourceParams |
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{ |
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public: |
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TMccResourceParams( TUint32 aSessionId, |
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TUint32 aLinkId, |
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TUint32 aStreamId, |
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TUint32 aIapId, |
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TBool aIsStandby, |
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TInt aStreamType ) : |
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iSessionId( aSessionId ), |
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iLinkId( aLinkId ), |
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iStreamId( aStreamId ), |
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iIapId( aIapId ), |
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iIsStandby( aIsStandby ), |
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iStreamType( aStreamType ), |
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iIsStopped( EFalse ) |
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{ |
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} |
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public: |
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TUint32 iSessionId; |
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TUint32 iLinkId; |
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TUint32 iStreamId; |
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TUint32 iIapId; |
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TBool iIsStandby; |
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TInt iStreamType; |
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TBool iIsStopped; |
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}; |
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/** |
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* |
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*/ |
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class MMccResources |
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{ |
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public: |
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enum TResourceState |
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{ |
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EConstructed, |
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EPrepared, |
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EStarted, |
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EResourcePaused, |
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EResourceStopped |
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}; |
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public: |
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/** |
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* Stores sink as candidate for next stream resource reservation. |
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* @param aSink |
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* @param aEndpointId id of the sink |
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*/ |
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virtual void ReserveSinkL( MDataSink* aSink, TUint32 aEndpointId ) = 0; |
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/** |
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* Stores source as candidate for next stream resource reservation. |
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* @param aSource |
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* @param aEndpointId id of the sink |
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*/ |
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virtual void ReserveSourceL( MDataSource* aSource, TUint32 aEndpointId ) = 0; |
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/** |
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* Prepares resources for removing certain endpoint. |
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* @param aEndpointId id of the endpoint to be removed |
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* @param aAffectedStreams information about streams which are using |
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* the endpoint which is in removal process |
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*/ |
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virtual void PrepareEndpointRemovalL( TUint32 aEndpointId, |
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RArray<TMccResourceParams>& aAffectedStreams ) = 0; |
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|
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/** |
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* Removes endpoint from resources. |
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* @param aEndpointId |
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*/ |
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virtual void RemoveEndpointL( TUint32 aEndpointId ) = 0; |
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/** |
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* Reserves some stream specific resources if needed. May depend |
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* on state of the stream (e.g. camera resources are needed when live video |
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* upstream is in playing state). |
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* @param aParams resource parameters |
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*/ |
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virtual void ReserveResourcesL( const TMccResourceParams& aParams ) = 0; |
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|
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/** |
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* Free resources of certain stream. |
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* @param aStreamId |
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*/ |
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virtual void FreeResources( TUint32 aStreamId ) = 0; |
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|
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/** |
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* Checks whether stream can use resources it needs. |
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* @param aStreamId |
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* @return ETrue if resources can be used |
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*/ |
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virtual TBool IsResourceUsageAllowed( TUint32 aStreamId ) = 0; |
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|
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/** |
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* Sets resource state. |
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* @param aStreamId |
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* @param aEndpointId |
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* @param aState |
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* @param aControlNetworkResources on return tells whether resource |
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* needs network resources |
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* @param aControlledEndpoint on return contains list of endpoint |
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* ids of which changed state because of this command |
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* @param aUncontrolledEndpoints on return contains list of endpoint |
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* ids of which didn't change state although command was pointed |
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* for those. |
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*/ |
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virtual void SetResourceStateL( TUint32 aStreamId, |
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TUint32 aEndpointId, |
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TResourceState aState, |
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TBool& aControlNetworkResources, |
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RArray<TUint32>& aControlledEndpoints, |
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RArray<TUint32>& aUncontrolledEndpoints ) = 0; |
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|
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/** |
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* Should be called by user after state change has been completed |
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* successfully. |
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*/ |
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virtual void ResourceStateSetL() = 0; |
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|
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/** |
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* Check if resources are affected becuase of event. |
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* @param aDiscardEvent on return ETrue if event should be discarded |
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* @param aEffectiveStandby on return ETrue if event was effective |
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* standby event |
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* @param aAdditionalEvent on return contains NULL or additional event |
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* which should be handled as well. Ownership of event is |
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* transferred. |
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* @return error code |
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*/ |
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virtual TInt EventReceived( TMccEvent& aEvent, |
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TBool& aDiscardEvent, |
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TBool& aEffectiveStandby, |
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TMccEvent** aAdditionalEvent ) = 0; |
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|
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/** |
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* Get sinks. |
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* @param aOnlyInternals ETrue if only mcc internal sinks are fetched. |
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* @return list of sinks |
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*/ |
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virtual const RPointerArray<MDataSink>& Sinks( TBool aOnlyInternals ) = 0; |
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|
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/** |
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* Get sources. |
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* @param aOnlyInternals ETrue if only mcc internal sources are fetched. |
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* @return list of sources |
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*/ |
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virtual const RPointerArray<MDataSource>& Sources( TBool aOnlyInternals ) = 0; |
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201 |
|
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/** |
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* Get multiplexer for specific source |
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* @param aSource |
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* @return NULL or multiplexer, ownership is not transferred |
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*/ |
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virtual CMccMultiplexer* MultiplexerL( MDataSource* aSource ) = 0; |
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|
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/** |
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* Find resource |
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* @param aLinkId search term |
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* @param aEndpointId search term |
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* @param aResourceUid search term |
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* @param aSource on return NULL or source, ownership is not transferred |
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* @param aSink on return NULL or sink, ownership is not transferred |
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* @return KErrNone if resource was found |
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*/ |
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virtual TInt FindResource( TUint32 aLinkId, |
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TUint32 aEndpointId, |
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TUid aResourceUid, |
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MDataSource** aSource, |
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MDataSink** aSink ) = 0; |
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|
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/** |
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* Find network resource based on rtp stream id |
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* @param aMccSessionId MCC session id |
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* @param aRtpStreamId search term |
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* @param aSource on return NULL or source, ownership is not transferred |
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* @param aSink on return NULL or sink, ownership is not transferred |
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* @return KErrNone if resource was found |
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*/ |
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virtual TInt FindNetworkResourceByRtpStreamId( |
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const TUint32 aMccSessionId, |
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const TRtpId& aRtpStreamId, |
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MDataSource** aSource, |
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MDataSink** aSink ) = 0; |
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|
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/** |
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* Find network resource based on rtp ssrc |
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* @param aRtpSsrc search term |
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* @param aSource on return NULL or source, ownership is not transferred |
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* @param aSink on return NULL or sink, ownership is not transferred |
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* @return KErrNone if resource was found |
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*/ |
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virtual TInt FindNetworkResourceByRtpSsrc( |
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const TRtpSSRC& aRtpSsrc, |
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MDataSource** aSource, |
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MDataSink** aSink ) = 0; |
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|
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/** |
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* Timer services. |
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* @return timer |
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*/ |
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virtual MMccTimerManager& TimerManager() = 0; |
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|
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/** |
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* Store information about keyframe, can be helpful when some other endpoint |
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* needs to know whether some buffer is keyframe as that information cannot |
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* be carried in CMMFBuffer. |
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* @param aEndpointId |
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* @param aKeyFrame |
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*/ |
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virtual void StoreKeyFrameInfoL( TUint32 aEndpointId, CMMFBuffer& aKeyFrame ) = 0; |
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|
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/** |
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* Check whether buffer is keyframe. |
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* @param aEndpointId |
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* @param aBuffer |
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* @return ETrue if buffer contains keyframe |
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*/ |
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virtual TBool IsKeyFrame( TUint32 aEndpointId, CMMFBuffer& aBuffer ) = 0; |
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|
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/** |
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* Enables viewfinder |
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*/ |
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virtual void EnableViewFinderL( TMccVideoSinkSetting& aSetting ) = 0; |
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|
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/** |
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* Disables viewfinder |
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*/ |
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virtual void DisableViewFinderL() = 0; |
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|
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}; |
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#endif // MCCRESOURCES_H |
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// End of File |