author | vnuitven <> |
Mon, 06 Sep 2010 18:50:40 +0530 | |
branch | rcs |
changeset 50 | 1d8943dd8be6 |
parent 49 | 64c62431ac08 |
child 51 | a13dcee59a62 |
permissions | -rw-r--r-- |
49 | 1 |
/* |
50
1d8943dd8be6
changed copy right year to 2010 for all newly added files
vnuitven <>
parents:
49
diff
changeset
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* Copyright (c) 2010Nokia 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: Provides a comfort noise generator class |
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* |
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*/ |
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// INCLUDE FILES |
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#include <rtpheader.h> |
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#include <e32cmn.h> |
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#include <utf.h> // charconv.lib |
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#include "msrppayloadformatwrite.h" |
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#include "mccrtpdatasink.h" |
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#include "Mccrtpinterface.h" |
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#include "mccmsrpformatlogs.h" |
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#include "mccuids.hrh" |
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#include "mccdef.h" |
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#include "mccrtpmediaclock.h" |
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#include "mccinternaldef.h" |
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#include "msrppayloadformatdefs.h" |
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#include "mmccinterfacedef.h" |
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#include "mccmsrpsink.h" |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatRead::CMsrpPayloadFormatRead |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// |
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// iIdleMode is set to ETrue, because when starting we are in IdleMode |
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// ----------------------------------------------------------------------------- |
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// |
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CMsrpPayloadFormatWrite::CMsrpPayloadFormatWrite(): iIdleMode(ETrue) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::ConstructL |
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// Symbian 2nd phase constructor can leave. |
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// ----------------------------------------------------------------------------- |
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// |
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void CMsrpPayloadFormatWrite::ConstructL ( MDataSink* aSink ) |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::ConstructL"); |
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// Set default values |
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iFourCC = KMccFourCCIdMSRP ; |
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//iFourCC.Set( TFourCC( 'T','1','4','0' ) ); |
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//we are going upstream, so our source is the datapath and |
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// sink is the clip. If we use RTP, which we do, |
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// our sink is of cource the RTPSink |
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iClip = aSink; |
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iIsRtpSink = ( KMccRtpSinkUid == aSink->DataSinkType() ); |
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iIsMsrpSink = (KMccMsrpSinkUid == aSink->DataSinkType() ); |
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// two levels of redundancy is allways assumed, not necessarily used |
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// RFC4103 RECOMMENDED |
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iRedData = new(ELeave)CArrayFixFlat<TStringElement>(3); |
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//userBuffer, handles all data put in by user |
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iUserBuffer = new(ELeave)CArrayFixFlat<TStringElement>(3); |
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// init data to null |
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TStringElement one; |
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TStringElement two; |
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TStringElement three; |
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iRedData->AppendL(one); |
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iRedData->AppendL(two); |
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iRedData->AppendL(three); |
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// maxsize of the packet |
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iBuf = HBufC8::NewL( KRedHeaderSize + KDataSize ); |
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iData = const_cast<TUint8*>( iBuf->Des().Ptr() ); |
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if ( iIsRtpSink ) |
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{ |
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CMccRtpDataSink* tmp = static_cast<CMccRtpDataSink*>( aSink ); |
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iRtpDataSink = static_cast<MMccRtpDataSink*>( tmp ); |
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} |
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else if(iIsMsrpSink) |
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{ |
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CMccMsrpSink *tmp = static_cast<CMccMsrpSink*>( aSink ); |
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iMsrpDataSink = static_cast<CMccMsrpSink*>( tmp ); |
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} |
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else |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::ConstructL Leaving: No RTPSink!"); |
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User::Leave(KErrNotSupported); |
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} |
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// Initialize state machine |
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iStateMachine = CFormatEncodeStateMachine::NewL( this ); |
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//init state machine to idle state |
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iStateMachine->ChangeState( EEncodeIdle ); |
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// Construct Timer for redundant generations. |
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iTimer = CSendStateMachine::NewL( this ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::NewL |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CMsrpPayloadFormatWrite* CMsrpPayloadFormatWrite::NewL ( MDataSink* aSink ) |
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{ |
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DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::NewL" ); |
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__ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) ); |
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CMsrpPayloadFormatWrite* self = new (ELeave) CMsrpPayloadFormatWrite; |
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CleanupStack::PushL( self ); |
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self->ConstructL( aSink ); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// Destructor |
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CMsrpPayloadFormatWrite::~CMsrpPayloadFormatWrite () |
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{ |
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if ( iStateMachine ) |
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{ |
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iStateMachine->Cancel(); |
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delete iStateMachine; |
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} |
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if(iTimer) |
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{ |
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iTimer->Cancel(); |
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delete iTimer; |
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} |
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iRtpMediaClock = NULL; |
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iClip = NULL; |
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delete iSourceBuffer; |
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delete iSinkBuffer; |
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delete iRedData; |
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delete iUserBuffer; |
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delete iBuf; |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::SinkThreadLogon |
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// Passes the logon command to the sink clip |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CMsrpPayloadFormatWrite::SinkThreadLogon(MAsyncEventHandler& aEventHandler) |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkThreadLogon"); |
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iClip->SinkThreadLogon( aEventHandler ); |
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return KErrNone; |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::SinkThreadLogoff |
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// Passes the logoff command to the sink clip |
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// ----------------------------------------------------------------------------- |
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void CMsrpPayloadFormatWrite::SinkThreadLogoff() |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkThreadLogoff"); |
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iClip->SinkThreadLogoff(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::CreateSinkBufferL |
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// Create a sink buffer |
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// ----------------------------------------------------------------------------- |
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// |
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CMMFBuffer* CMsrpPayloadFormatWrite::CreateSinkBufferL( TMediaId /*aMediaId*/, |
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TBool &aReference ) |
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{ |
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DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::CreateSinkBufferL" ); |
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/* TODO: Remove me when platform supports |
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if ( KUidMediaTypeText != aMediaId.iMediaType ) |
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{ |
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User::Leave( KErrNotSupported ); |
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} |
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*/ |
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aReference = ETrue; |
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return CreateSinkBufferOfSizeL( KMaxRTTChunkSize + KRedHeaderSize ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::CreateSinkBufferOfSizeL |
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// Create a sink buffer of the given size. |
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// ----------------------------------------------------------------------------- |
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// |
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CMMFDataBuffer* CMsrpPayloadFormatWrite::CreateSinkBufferOfSizeL( TUint aSize ) |
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{ |
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DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::CreateSinkBufferOfSizeL" ); |
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if ( !iSourceBuffer ) |
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{ |
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iSourceBuffer = CMMFDataBuffer::NewL( aSize ); |
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iSourceBuffer->Data().FillZ( aSize ); |
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iSourceBuffer->SetRequestSizeL( aSize ); |
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} |
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return iSourceBuffer; |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::EmptyBufferL |
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// Empty the given source buffer |
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// ----------------------------------------------------------------------------- |
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// |
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void CMsrpPayloadFormatWrite::EmptyBufferL( CMMFBuffer* aBuffer, |
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MDataSource* aSupplier, |
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TMediaId /*aMediaId*/ ) |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::EmptyBufferL"); |
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__ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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__ASSERT_ALWAYS ( aBuffer == iSourceBuffer, User::Leave( KErrArgument ) ); |
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__ASSERT_ALWAYS( aSupplier, User::Leave( KErrArgument ) ); |
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// TODO: Remove me when platform supports |
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// __ASSERT_ALWAYS( KUidMediaTypeAudio == aMediaId.iMediaType, |
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// User::Leave( KErrNotSupported ) ); |
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// Cancel timer, so timer does not interrupt our current sending. |
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// Timer enables empty blocks to be appended when redundancy is on. |
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iTimer->Cancel(); |
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iDataPath = aSupplier; |
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iSourceBuffer = static_cast<CMMFDataBuffer*>( aBuffer ); |
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if ( !iSinkBuffer ) |
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{ |
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iStateMachine->ChangeState( ESourceBufferEmptied ); |
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return; |
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} |
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if ( !iSinkBuffer->Data().Length() ) |
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{ |
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//User::LeaveIfError( iRtpMediaClock->GetTimeStamp( iKey, iCurrentTimestamp ) ); |
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iSinkBuffer->SetTimeToPlay( TInt64( iCurrentTimestamp ) ); |
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iSinkBuffer->SetFrameNumber( aBuffer->FrameNumber() ); |
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} |
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// We signal StateMachine to ChangeState() |
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// this calls back EmptySourceBufferL |
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iStateMachine->ChangeState( EEmptySourceBuffer ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::SetSinkDataTypeCode |
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// Set the sink data type to the given four CC code for the given media |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CMsrpPayloadFormatWrite::SetSinkDataTypeCode( TFourCC aSinkFourCC, |
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TMediaId /*aMediaId*/ ) |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SetSinkDataTypeCode"); |
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/* TODO: Remove me when platform supports |
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if ( KUidMediaTypeText != aMediaId.iMediaType ) |
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{ |
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User::Leave( KErrNotSupported ); |
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} |
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*/ |
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iFourCC = aSinkFourCC; |
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return KErrNone; |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::SinkDataTypeCode |
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// Return the sink data type (four CC code) for the given media ID |
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// ----------------------------------------------------------------------------- |
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// |
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TFourCC CMsrpPayloadFormatWrite::SinkDataTypeCode( TMediaId /*aMediaId*/ ) |
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{ |
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DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkDataTypeCode"); |
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/* TODO: Remove me when platform supports |
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if ( KUidMediaTypeText == aMediaId.iMediaType ) |
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{ |
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return iFourCC; |
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} |
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else |
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{ |
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return TFourCC(); //defaults to 'NULL' fourCC |
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} |
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*/ |
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return iFourCC; |
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} |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::BufferEmptiedL |
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// Called after payload buffer is completely emptied by RtpDataSink. |
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// ----------------------------------------------------------------------------- |
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// |
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void CMsrpPayloadFormatWrite::BufferEmptiedL( CMMFBuffer* /*aBuffer*/ ) |
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{ |
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DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::BufferEmptiedL" ); |
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// nothing to be done |
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//NOTE: 14.12.2007 - LeaveScan causes warning, but this is a interface method |
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} |
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337 |
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338 |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::FrameTimeInterval |
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// Return the frame time interval for the given media |
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// Return allways 0 |
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// ----------------------------------------------------------------------------- |
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// |
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TTimeIntervalMicroSeconds |
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CMsrpPayloadFormatWrite::FrameTimeInterval( TMediaId /*aMediaId*/ ) const |
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{ |
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DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::FrameTimeInterval" ); |
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return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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} |
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351 |
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// ----------------------------------------------------------------------------- |
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// CMsrpPayloadFormatWrite::Duration |
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// Return the frame time interval for the given media |
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// NOT SUPPORTED |
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// ----------------------------------------------------------------------------- |
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// |
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TTimeIntervalMicroSeconds |
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CMsrpPayloadFormatWrite::Duration( TMediaId /*aMediaType*/ ) const |
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360 |
{ |
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361 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::Duration" ); |
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return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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} |
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364 |
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365 |
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366 |
// ----------------------------------------------------------------------------- |
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367 |
// CMsrpPayloadFormatWrite::EmptySourceBufferL |
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// Empty the given sourcebuffer |
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// Sourcebuffer is given in iSourceBuffer |
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370 |
// Called by StateMachine |
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371 |
// ----------------------------------------------------------------------------- |
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372 |
// |
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373 |
void CMsrpPayloadFormatWrite::EmptySourceBufferL() |
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{ |
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375 |
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376 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::EmptySourceBufferL" ); |
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377 |
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const TDesC8& srcDes( iSourceBuffer->Data() ); |
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const TUint8* srcPtr = srcDes.Ptr(); |
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380 |
TInt length = iSourceBuffer->Data().Length(); |
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381 |
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382 |
if ( iSourceBuffer->Data().Length() ) |
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{ |
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384 |
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385 |
if( KMaxRTTChunkSize < length ) |
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386 |
{ |
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387 |
DP_MSRP_WRITE( "ERR - RTT Payload Length exceeded MaxChunkSize" ); |
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388 |
User::Leave(KErrArgument); |
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} |
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390 |
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391 |
TBuf16<KMaxRTTChunkSize> unicode; |
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392 |
User::LeaveIfError( |
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393 |
CnvUtfConverter::ConvertToUnicodeFromUtf8(unicode, TPtrC8(srcPtr))); |
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394 |
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395 |
//buffer the user data |
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396 |
TStringElement buffer; |
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397 |
buffer.iData = unicode; |
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398 |
iUserBuffer->AppendL(buffer); |
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399 |
||
400 |
FormUserDataL(); |
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401 |
ForwardDataL(); |
|
402 |
||
403 |
} |
|
404 |
} |
|
405 |
||
406 |
||
407 |
// ----------------------------------------------------------------------------- |
|
408 |
// CMsrpPayloadFormatWrite::TimerExpiredL() |
|
409 |
// Sends Redundant data after buffer period, if no user data |
|
410 |
// appeared before that. |
|
411 |
// ----------------------------------------------------------------------------- |
|
412 |
// |
|
413 |
void CMsrpPayloadFormatWrite::TimerExpiredL() |
|
414 |
{ |
|
415 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::TimerExpiredL" ); |
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416 |
||
417 |
// Because timer expired, we must send redundant data anyway |
|
418 |
TStringElement nullData; |
|
419 |
iUserBuffer->AppendL(nullData); |
|
420 |
||
421 |
FormUserDataL(); |
|
422 |
//TODO:Handle other Errors if any |
|
423 |
TInt err = SendRedundantDataL(); |
|
424 |
if ( err != KErrNone ) |
|
425 |
{ |
|
426 |
GotoIdleL(); |
|
427 |
} |
|
428 |
} |
|
429 |
||
430 |
||
431 |
// ----------------------------------------------------------------------------- |
|
432 |
// CMsrpPayloadFormatWrite::ForwardDataL() |
|
433 |
// Sends Redundant data after buffer period, if no user data |
|
434 |
// appeared before that. |
|
435 |
// ----------------------------------------------------------------------------- |
|
436 |
// |
|
437 |
void CMsrpPayloadFormatWrite::ForwardDataL() |
|
438 |
{ |
|
439 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::ForwardDataL" ); |
|
440 |
||
441 |
// Just Send Data |
|
442 |
TInt err = SendRedundantDataL(); |
|
443 |
||
444 |
if ( err == KErrNone ) |
|
445 |
{ |
|
446 |
iStateMachine->ChangeState( ESourceBufferEmptied ); |
|
447 |
} |
|
448 |
} |
|
449 |
||
450 |
||
451 |
||
452 |
// ----------------------------------------------------------------------------- |
|
453 |
// CMsrpPayloadFormatWrite::SendRedundantDataL() |
|
454 |
// A Method that sends the redundant buffer to Sink |
|
455 |
// Calls CMsrpPayloadFormatWrite::DeliverPacketL |
|
456 |
// ----------------------------------------------------------------------------- |
|
457 |
// |
|
458 |
TInt CMsrpPayloadFormatWrite::SendRedundantDataL() |
|
459 |
{ |
|
460 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SendRedundantDataL" ); |
|
461 |
||
462 |
TStringElement zero = iRedData->At(0); |
|
463 |
TStringElement one = iRedData->At(1); |
|
464 |
TStringElement two = iRedData->At(2); |
|
465 |
||
466 |
DP_MSRP_WRITE( "******************"); |
|
467 |
DP_MSRP_WRITE2( "SendRedundantDataL - Zero Lenght: %d", zero.iData.Length() ); |
|
468 |
DP_MSRP_WRITE2( "SendRedundantDataL - R1 Lenght: %d", one.iData.Length() ); |
|
469 |
DP_MSRP_WRITE2( "SendRedundantDataL - R2 lenght: %d", two.iData.Length() ); |
|
470 |
||
471 |
if ( zero.iData.Length() == 0 && one.iData.Length() == 0 && two.iData.Length() == 0 ) |
|
472 |
{ |
|
473 |
DP_MSRP_WRITE( "ERR - SendRedundantDataL - All Data is 0 lenght returning, KErrArgument!"); |
|
474 |
return KErrArgument; |
|
475 |
} |
|
476 |
||
477 |
TDes8& destDes( iSinkBuffer->Data() ); |
|
478 |
||
479 |
// Assemble redundant data |
|
480 |
AssembleRedPacket(); |
|
481 |
// Append current data to buffer |
|
482 |
TPtr8 ptr = iBuf->Des(); |
|
483 |
destDes.Append( ptr ); |
|
484 |
||
485 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite HeapData size: %d", ptr.Size() ); |
|
486 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite HeapData Length: %d", ptr.Length() ); |
|
487 |
DP_MSRP_WRITE ("CMsrpPayloadFormatWrite::DeliverPacketL, Packet Assembled" ); |
|
488 |
DP_MSRP_WRITE( "******************"); |
|
489 |
||
490 |
DeliverPacketL( *iSinkBuffer ); |
|
491 |
return KErrNone; |
|
492 |
||
493 |
} |
|
494 |
||
495 |
||
496 |
// ----------------------------------------------------------------------------- |
|
497 |
// CMsrpPayloadFormatWrite::FormUserDataL() |
|
498 |
// |
|
499 |
// A function that refreshes the RedundantData Buffer, so that |
|
500 |
// We just can send data that is there. |
|
501 |
// ----------------------------------------------------------------------------- |
|
502 |
// |
|
503 |
TInt CMsrpPayloadFormatWrite::FormUserDataL() |
|
504 |
{ |
|
505 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SendRedundantDataL" ); |
|
506 |
||
507 |
TStringElement primary; |
|
508 |
||
509 |
// if there is data |
|
510 |
if ( iUserBuffer->Count() ) |
|
511 |
{ |
|
512 |
primary = iUserBuffer->At(0); |
|
513 |
} |
|
514 |
||
515 |
//set timestamp to primary data, this is used to calculate offset |
|
516 |
primary.iTimestamp = iSinkBuffer->TimeToPlay().Int64(); |
|
517 |
||
518 |
// can now reset user buffer |
|
519 |
iUserBuffer->Reset(); |
|
520 |
||
521 |
// get current redundants |
|
522 |
TStringElement zero = iRedData->At(0); |
|
523 |
TStringElement one = iRedData->At(1); |
|
524 |
||
525 |
// we can now reset old redundant also |
|
526 |
iRedData->Reset(); |
|
527 |
||
528 |
// re-order redundant data, this must be always present, |
|
529 |
// if redundancy changes on-fly from e.g 0 to 2 |
|
530 |
iRedData->AppendL(primary); |
|
531 |
iRedData->AppendL(zero); |
|
532 |
iRedData->AppendL(one); |
|
533 |
||
534 |
return KErrNone; |
|
535 |
} |
|
536 |
||
537 |
||
538 |
// ----------------------------------------------------------------------------- |
|
539 |
// CMsrpPayloadFormatWrite::GoToIdleL() |
|
540 |
// |
|
541 |
// When there is no data to send, we must go to idle mode |
|
542 |
// ----------------------------------------------------------------------------- |
|
543 |
// |
|
544 |
void CMsrpPayloadFormatWrite::GotoIdleL() |
|
545 |
{ |
|
546 |
||
547 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::GoToIdleL()"); |
|
548 |
//reset redundancy buffer |
|
549 |
iRedData->Reset(); |
|
550 |
//add default data |
|
551 |
TStringElement empty; |
|
552 |
iRedData->AppendL(empty); |
|
553 |
iRedData->AppendL(empty); |
|
554 |
iRedData->AppendL(empty); |
|
555 |
iIdleMode = ETrue; |
|
556 |
||
557 |
//Set State that we are waiting for Data |
|
558 |
iStateMachine->ChangeState( EWaitForSourceData ); |
|
559 |
||
560 |
// Cancel the Timer also |
|
561 |
iTimer->Cancel(); |
|
562 |
||
563 |
} |
|
564 |
||
565 |
||
566 |
// ----------------------------------------------------------------------------- |
|
567 |
// CMsrpPayloadFormatWrite::AssembleRedPacket() |
|
568 |
// |
|
569 |
// In AssembleRedPacket we must assemble right kind of |
|
570 |
// payload. We switch between redundant and plain data. |
|
571 |
// If redundancy is used a redundant datapacket is generated! |
|
572 |
// ----------------------------------------------------------------------------- |
|
573 |
// |
|
574 |
void CMsrpPayloadFormatWrite::AssembleRedPacket() |
|
575 |
{ |
|
576 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::AssembleRedPacket" ); |
|
577 |
switch( iCodecInfo.iRedundancyCount ) |
|
578 |
{ |
|
579 |
case 0: |
|
580 |
// just append the primary data and no headers |
|
581 |
iBuf->Des().Append( iRedData->At(0).iData ); |
|
582 |
break; |
|
583 |
||
584 |
case 2: |
|
585 |
TInt err = GenerateRedPacket(); |
|
586 |
//TODO: Handle Errors in Creating packet |
|
587 |
break; |
|
588 |
||
589 |
} |
|
590 |
||
591 |
} |
|
592 |
||
593 |
||
594 |
// ----------------------------------------------------------------------------- |
|
595 |
// CMsrpPayloadFormatWrite::GenerateRedPacket() |
|
596 |
// |
|
597 |
// In GenerateRedPacket we must assemble right kind of |
|
598 |
// payload according to RFC 4103. Level 2 redundancy is used. |
|
599 |
// ----------------------------------------------------------------------------- |
|
600 |
// |
|
601 |
TInt CMsrpPayloadFormatWrite::GenerateRedPacket() |
|
602 |
{ |
|
603 |
||
604 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::GenerateRedPacket()" ); |
|
605 |
||
606 |
TStringElement primary = iRedData->At(0); |
|
607 |
TStringElement r1 = iRedData->At(1); |
|
608 |
TStringElement r2 = iRedData->At(2); |
|
609 |
||
610 |
DP_MSRP_WRITE( "*******************************"); |
|
611 |
DP_MSRP_WRITE2("CMsrpPayloadFormatWrite::GenerateRedPacket PR Length: %d", primary.iData.Length() ); |
|
612 |
DP_MSRP_WRITE2("CMsrpPayloadFormatWrite::GenerateRedPacket R1 Length: %d", r1.iData.Length() ); |
|
613 |
DP_MSRP_WRITE2("CMsrpPayloadFormatWrite::GenerateRedPacket R2 Length: %d", r2.iData.Length() ); |
|
614 |
||
615 |
// pointer to data |
|
616 |
TUint8* dataP = iData; |
|
617 |
TInt count(0); |
|
618 |
//Fill Data with binary zeroes and zero old |
|
619 |
Mem::FillZ( dataP, KRedHeaderSize + KDataSize ); |
|
620 |
iBuf->Des().Zero(); |
|
621 |
||
622 |
||
623 |
/************* |
|
624 |
data[0] = 8 bit |
|
625 |
1 bit - redundancy marker bit 1 |
|
626 |
7 bit - payloadtype |
|
627 |
***************/ |
|
628 |
||
629 |
iData[0] |= ( 1 << 7 ); |
|
630 |
iData[0] |= iCodecInfo.iRedundantPayload; |
|
631 |
//iData[0] |= 106; |
|
632 |
dataP += 1; |
|
633 |
count ++; |
|
634 |
||
635 |
||
636 |
/************** |
|
637 |
data[1-3] = 24 bit |
|
638 |
14 bit - timestamp offset of R2 |
|
639 |
10 bit - length of R2 |
|
640 |
***************/ |
|
641 |
||
642 |
TUint32 temp(0); |
|
643 |
temp |= ( SetTimeOffset(primary.iTimestamp, r2.iTimestamp ) << 10 ); |
|
644 |
||
645 |
TUint16 size(r2.iData.Length()); |
|
646 |
temp |= size; |
|
647 |
||
648 |
Write24(dataP, temp); |
|
649 |
dataP += 3; |
|
650 |
count += 3; |
|
651 |
||
652 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[0]: %x", iData[0] ); |
|
653 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[1]: %x", iData[1] ); |
|
654 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[2]: %x", iData[2] ); |
|
655 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[3]: %x", iData[3] ); |
|
656 |
||
657 |
||
658 |
/************** |
|
659 |
data[4] = 8 bit |
|
660 |
1 bit - redundancy marker bit 1 |
|
661 |
7 bit - payloadtype |
|
662 |
***************/ |
|
663 |
||
664 |
iData[4] |= ( 1 << 7 ); |
|
665 |
iData[4] |= iCodecInfo.iRedundantPayload; |
|
666 |
//iData[4] |= 106; |
|
667 |
dataP += 1; |
|
668 |
count ++; |
|
669 |
||
670 |
/************** |
|
671 |
data[5-7] = 24 bit |
|
672 |
14 bit - timestamp offset of R1 |
|
673 |
10 bit - length of R1 |
|
674 |
***************/ |
|
675 |
||
676 |
temp = 0; |
|
677 |
temp |= ( SetTimeOffset(primary.iTimestamp, r1.iTimestamp ) << 10 ); |
|
678 |
||
679 |
size = r1.iData.Length(); |
|
680 |
temp |= size; |
|
681 |
||
682 |
Write24(dataP, temp); |
|
683 |
dataP += 3; |
|
684 |
count += 3; |
|
685 |
||
686 |
/************** |
|
687 |
data[8] = 8 bit |
|
688 |
1 bit - normal marker bit 0 |
|
689 |
7 bit - payloadtype |
|
690 |
***************/ |
|
691 |
iData[8] |= ( 0 << 7 ); |
|
692 |
iData[8] |= iCodecInfo.iPayloadType; |
|
693 |
//iData[8] |= 105; |
|
694 |
dataP += 1; |
|
695 |
count ++; |
|
696 |
||
697 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[4]: %x", iData[4] ); |
|
698 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[5]: %x", iData[5] ); |
|
699 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[6]: %x", iData[6] ); |
|
700 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[7]: %x", iData[7] ); |
|
701 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[8]: %x", iData[8] ); |
|
702 |
DP_MSRP_WRITE( "*******************************"); |
|
703 |
||
704 |
//TODO: When IOP-Tests Are done, Write me properly using Append, or some other method |
|
705 |
TInt forHere = count+r2.iData.Length(); |
|
706 |
TInt index(0); |
|
707 |
if ( r2.iData.Length() ) |
|
708 |
{ |
|
709 |
for ( TInt i = count; i < forHere; i++ ) |
|
710 |
{ |
|
711 |
iData[i] = r2.iData[index]; |
|
712 |
index++, |
|
713 |
RDebug::Print( _L(" X Writing R2 DATA[i]: %x"), iData[i] ); |
|
714 |
} |
|
715 |
||
716 |
dataP += r2.iData.Length(); |
|
717 |
count += r2.iData.Length(); |
|
718 |
} |
|
719 |
||
720 |
||
721 |
forHere = count+r1.iData.Length(); |
|
722 |
index = 0; |
|
723 |
if ( r1.iData.Length() ) |
|
724 |
{ |
|
725 |
for ( TInt i = count; i < forHere; i++ ) |
|
726 |
{ |
|
727 |
iData[i] = r1.iData[index]; |
|
728 |
index++; |
|
729 |
RDebug::Print( _L(" X Writing R1 DATA[i]: %x"), iData[i] ); |
|
730 |
} |
|
731 |
||
732 |
dataP += r1.iData.Length(); |
|
733 |
count += r1.iData.Length(); |
|
734 |
} |
|
735 |
||
736 |
||
737 |
forHere = count+primary.iData.Length(); |
|
738 |
index = 0; |
|
739 |
if ( primary.iData.Length() ) |
|
740 |
{ |
|
741 |
for ( TInt i = count; i < forHere; i++ ) |
|
742 |
{ |
|
743 |
iData[i] = primary.iData[index]; |
|
744 |
index++; |
|
745 |
RDebug::Print( _L(" X Writing PRIMARY DATA[i]: %x"), iData[i] ); |
|
746 |
} |
|
747 |
||
748 |
dataP += primary.iData.Length(); |
|
749 |
count += primary.iData.Length(); |
|
750 |
} |
|
751 |
||
752 |
||
753 |
DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket Writing Lenght: %d", count ); |
|
754 |
iBuf->Des().Append( iData, count ); |
|
755 |
return KErrNone; |
|
756 |
||
757 |
} |
|
758 |
||
759 |
||
760 |
// ----------------------------------------------------------------------------- |
|
761 |
// CMsrpPayloadFormatWrite::DeliverPacketL |
|
762 |
// Prepare the packet header and deliver the packet to the datasink. |
|
763 |
// ----------------------------------------------------------------------------- |
|
764 |
void CMsrpPayloadFormatWrite::DeliverPacketL( CMMFDataBuffer& aPayload ) |
|
765 |
{ |
|
766 |
||
767 |
DP_MSRP_WRITE("CMsrpPayloadFormatWrite::DeliverPacketL"); |
|
768 |
||
769 |
if ( !iClip ) |
|
770 |
{ |
|
771 |
User::Leave( KErrNotReady ); |
|
772 |
} |
|
773 |
const TMediaId mediaId( KUidMediaTypeAudio ); |
|
774 |
const TInt dataSize( aPayload.Data().Size() ); |
|
775 |
DP_MSRP_WRITE2( "MSRP Payload SIZE : %d", dataSize ); |
|
776 |
||
777 |
if ( dataSize ) |
|
778 |
{ |
|
779 |
if (iIsMsrpSink) |
|
780 |
{ |
|
781 |
iMsrpDataSink->EmptyBufferL( &aPayload, this, mediaId ); |
|
782 |
} |
|
783 |
} |
|
784 |
aPayload.Data().Zero(); |
|
785 |
} |
|
786 |
||
787 |
||
788 |
// ----------------------------------------------------------------------------- |
|
789 |
// CMsrpPayloadFormatWrite::SourceBufferEmptiedL |
|
790 |
// Handle the event that sourcebuffer has been emptied. |
|
791 |
// Sourcebuffer is given in "iSourceBuffer". |
|
792 |
// Called by the statemachine. |
|
793 |
// ----------------------------------------------------------------------------- |
|
794 |
void CMsrpPayloadFormatWrite::SourceBufferEmptiedL() |
|
795 |
{ |
|
796 |
||
797 |
||
798 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SourceBufferEmptiedL" ); |
|
799 |
||
800 |
//Empty all |
|
801 |
iSourceBuffer->Data().FillZ(); |
|
802 |
iSourceBuffer->Data().Zero(); |
|
803 |
iSinkBuffer->Data().FillZ(); |
|
804 |
iSinkBuffer->Data().Zero(); |
|
805 |
iBuf->Des().FillZ(); |
|
806 |
iBuf->Des().Zero(); |
|
807 |
iDataPath->BufferEmptiedL( iSourceBuffer ); |
|
808 |
||
809 |
//Finally we set the timer if we are in red mode |
|
810 |
switch( iCodecInfo.iRedundancyCount ) |
|
811 |
{ |
|
812 |
case 0: |
|
813 |
// do nothing |
|
814 |
break; |
|
815 |
||
816 |
case 2: |
|
817 |
if ( iIdleMode ) |
|
818 |
{ |
|
819 |
iTimer->Cancel(); |
|
820 |
iTimer->Start(); |
|
821 |
} |
|
822 |
break; |
|
823 |
} |
|
824 |
||
825 |
// we are no more in idle, |
|
826 |
iIdleMode = EFalse; |
|
827 |
||
828 |
} |
|
829 |
||
830 |
||
831 |
// ----------------------------------------------------------------------------- |
|
832 |
// CMsrpPayloadFormatWrite::SinkPrimeL |
|
833 |
// Prime the sink |
|
834 |
// ----------------------------------------------------------------------------- |
|
835 |
// |
|
836 |
void CMsrpPayloadFormatWrite::SinkPrimeL() |
|
837 |
{ |
|
838 |
DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPrimeL()"); |
|
839 |
iClip->SinkPrimeL(); |
|
840 |
} |
|
841 |
||
842 |
||
843 |
// ----------------------------------------------------------------------------- |
|
844 |
// CMsrpPayloadFormatWrite::SinkPrimeL |
|
845 |
// Prime the sink |
|
846 |
// ----------------------------------------------------------------------------- |
|
847 |
// |
|
848 |
void CMsrpPayloadFormatWrite::CancelUlRequest() |
|
849 |
{ |
|
850 |
||
851 |
DP_MSRP_WRITE("CMsrpPayloadFormatWrite::CancelUlRequest()" ); |
|
852 |
iStateMachine->Cancel(); |
|
853 |
iStateMachine->ChangeState( EEncodeIdle ); |
|
854 |
||
855 |
// Reset the payload buffer |
|
856 |
if ( iSinkBuffer ) |
|
857 |
{ |
|
858 |
TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data(); |
|
859 |
dataDes.SetLength( 0 ); |
|
860 |
} |
|
861 |
||
862 |
} |
|
863 |
||
864 |
||
865 |
// ----------------------------------------------------------------------------- |
|
866 |
// CMsrpPayloadFormatWrite::SinkPlayL |
|
867 |
// Start playing. |
|
868 |
// ----------------------------------------------------------------------------- |
|
869 |
// |
|
870 |
void CMsrpPayloadFormatWrite::SinkPlayL() |
|
871 |
{ |
|
872 |
DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPlayL" ); |
|
873 |
// Allocate buffer for data transfer between |
|
874 |
// FormatWrite - MDataSink |
|
875 |
delete iSinkBuffer; |
|
876 |
iSinkBuffer = NULL; |
|
877 |
iSinkBuffer = CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
|
878 |
||
879 |
// Start state machine |
|
880 |
iStateMachine->ChangeState( EWaitForSourceData ); |
|
881 |
||
882 |
iFirstPacketFinished = EFalse; |
|
883 |
||
884 |
// Start a new cycle of frame collecting |
|
885 |
if ( iSinkBuffer ) |
|
886 |
{ |
|
887 |
iSinkBuffer->SetLastBuffer( EFalse ); |
|
888 |
} |
|
889 |
||
890 |
iClip->SinkPlayL(); |
|
891 |
} |
|
892 |
||
893 |
||
894 |
// ----------------------------------------------------------------------------- |
|
895 |
// CMsrpPayloadFormatWrite::SinkPauseL |
|
896 |
// Pause sink |
|
897 |
// ----------------------------------------------------------------------------- |
|
898 |
// |
|
899 |
void CMsrpPayloadFormatWrite::SinkPauseL() |
|
900 |
{ |
|
901 |
DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPauseL" ); |
|
902 |
this->CancelUlRequest(); |
|
903 |
iClip->SinkPauseL(); |
|
904 |
||
905 |
} |
|
906 |
||
907 |
// ----------------------------------------------------------------------------- |
|
908 |
// CMsrpPayloadFormatWrite::SinkStopL |
|
909 |
// Stop sink |
|
910 |
// ----------------------------------------------------------------------------- |
|
911 |
// |
|
912 |
void CMsrpPayloadFormatWrite::SinkStopL() |
|
913 |
{ |
|
914 |
DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPauseL" ); |
|
915 |
// Stop state machine |
|
916 |
this->CancelUlRequest(); |
|
917 |
iClip->SinkStopL(); |
|
918 |
} |
|
919 |
||
920 |
||
921 |
// --------------------------------------------------------------------------- |
|
922 |
// CMsrpPayloadFormatWrite::ConfigurePayloadFormatL |
|
923 |
// Configure payload encoding parameters |
|
924 |
// --------------------------------------------------------------------------- |
|
925 |
// |
|
926 |
void CMsrpPayloadFormatWrite::ConfigurePayloadFormatL( const TDesC8& aConfigParams, |
|
927 |
CMccRtpMediaClock& /*aClock*/ ) |
|
928 |
{ |
|
929 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::ConfigurePayloadFormatL()" ); |
|
930 |
||
931 |
//Check that buffer is same size, so we can assume data is correct type |
|
932 |
__ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ), |
|
933 |
User::Leave( KErrArgument ) ); |
|
934 |
||
935 |
//instantiate correct CodecInfo Structure |
|
936 |
TMccCodecInfoBuffer infoBuffer; |
|
937 |
infoBuffer.Copy( aConfigParams ); |
|
938 |
TMccCodecInfo codecInfo( infoBuffer() ); |
|
939 |
||
940 |
if ( !codecInfo.iIsUpdate ) |
|
941 |
{ |
|
942 |
||
943 |
//iCodecInfo = codecInfo; |
|
944 |
//iRtpMediaClock = &aClock; |
|
945 |
//iKey = iRtpMediaClock->RegisterMediaFormat( KDefaultSampleRate, iCodecInfo.iHwFrameTime ); |
|
946 |
} |
|
947 |
else |
|
948 |
{ |
|
949 |
UpdateConfigurationL( aConfigParams ); |
|
950 |
} |
|
951 |
||
952 |
} |
|
953 |
||
954 |
// ----------------------------------------------------------------------------- |
|
955 |
// CMsrpPayloadFormatWrite::UpdateConfigurationL |
|
956 |
// Update payload encoding parameters |
|
957 |
// ----------------------------------------------------------------------------- |
|
958 |
// |
|
959 |
void CMsrpPayloadFormatWrite::UpdateConfigurationL( const TDesC8& aConfigParams ) |
|
960 |
{ |
|
961 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::UpdateConfigurationL" ); |
|
962 |
__ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ), |
|
963 |
User::Leave( KErrArgument ) ); |
|
964 |
||
965 |
TMccCodecInfoBuffer infoBuffer; |
|
966 |
infoBuffer.Copy( aConfigParams ); |
|
967 |
TMccCodecInfo codecInfo = infoBuffer(); |
|
968 |
||
969 |
iCodecInfo = codecInfo; |
|
970 |
//iCodecInfo.iPtime = codecInfo.iPtime; |
|
971 |
//iCodecInfo.iRedundancyCount = 0; |
|
972 |
||
973 |
//iCodecInfo.iPayloadType = codecInfo.iPayloadType; |
|
974 |
//iCodecInfo.iRedundancyCount = codecInfo.iRedundancyCount; |
|
975 |
//iCodecInfo.iCodecMode = codecInfo.iCodecMode; |
|
976 |
||
977 |
//TODO: move me to right variable and update buffering time |
|
978 |
//iTimer->Cancel(); |
|
979 |
//iTimer->SetTimeOut( iCodecInfo.iCodecMode * 1000); |
|
980 |
||
981 |
// Allocate buffer for data transfer between |
|
982 |
// FormatWrite - MDataSink |
|
983 |
delete iSinkBuffer; |
|
984 |
iSinkBuffer = NULL; |
|
985 |
iSinkBuffer = CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
|
986 |
||
987 |
} |
|
988 |
||
989 |
||
990 |
||
991 |
// ========================== HELPER FUNCTIONS ========================= |
|
992 |
// ========================== ========================= |
|
993 |
// ========================== ========================= |
|
994 |
||
995 |
// ----------------------------------------------------------------------------- |
|
996 |
// CMsrpPayloadFormatWrite::Write24 |
|
997 |
// Simple helper function, that writes a 24-bit value to databuffer, |
|
998 |
// using pointer |
|
999 |
// ----------------------------------------------------------------------------- |
|
1000 |
// |
|
1001 |
void CMsrpPayloadFormatWrite::Write24( TUint8* const aPointer, TUint32 aValue ) |
|
1002 |
{ |
|
1003 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::Write24" ); |
|
1004 |
aPointer[0] = static_cast<TUint8>( ( aValue & 0xFF0000 ) >> 16 ); |
|
1005 |
aPointer[1] = static_cast<TUint8>( ( aValue & 0x00FF00 ) >> 8 ); |
|
1006 |
aPointer[2] = static_cast<TUint8>( aValue & 0x0000FF ); |
|
1007 |
} |
|
1008 |
||
1009 |
||
1010 |
// ----------------------------------------------------------------------------- |
|
1011 |
// CMsrpPayloadFormatWrite::Write32 |
|
1012 |
// Simple helper function, that writes a 32-bit value to databuffer, |
|
1013 |
// using pointer |
|
1014 |
// ----------------------------------------------------------------------------- |
|
1015 |
// |
|
1016 |
void CMsrpPayloadFormatWrite::Write32( TUint8* const aPointer, TUint32 aValue ) |
|
1017 |
{ |
|
1018 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::Write32" ); |
|
1019 |
aPointer[0] = static_cast<TUint8>( ( aValue & 0xFF000000 ) >> 24 ); |
|
1020 |
aPointer[1] = static_cast<TUint8>( ( aValue & 0x00FF0000 ) >> 16 ); |
|
1021 |
aPointer[2] = static_cast<TUint8>( ( aValue & 0x0000FF00 ) >> 8 ); |
|
1022 |
aPointer[3] = static_cast<TUint8>( aValue & 0x000000FF ); |
|
1023 |
} |
|
1024 |
||
1025 |
||
1026 |
// ----------------------------------------------------------------------------- |
|
1027 |
// CMsrpPayloadFormatWrite::SetTimeOffset |
|
1028 |
// Calculates TimeOffset to RedundancyHeader according to |
|
1029 |
// RFC 4103. Actually RFC 4103 does not accurately state how ( and where ) |
|
1030 |
// timeoffset should be calculated. This calculation is based conversations |
|
1031 |
// with authors of RFC 4103 |
|
1032 |
// ----------------------------------------------------------------------------- |
|
1033 |
// |
|
1034 |
TUint16 CMsrpPayloadFormatWrite::SetTimeOffset( TInt64& aPrim, TInt64& aSecond ) |
|
1035 |
{ |
|
1036 |
DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SetTimeOffset" ); |
|
1037 |
TInt pOffset = aPrim - aSecond; |
|
1038 |
TUint16 aRet = TUint16(pOffset) & KHighestTimeStampOffset; |
|
1039 |
if( aRet > KHighestTimeStampOffset ) |
|
1040 |
{ |
|
1041 |
aRet = KHighestTimeStampOffset; |
|
1042 |
} |
|
1043 |
return aRet; |
|
1044 |
} |
|
1045 |
||
1046 |
||
1047 |
TStringElement::TStringElement() |
|
1048 |
{ |
|
1049 |
} |
|
1050 |
||
1051 |
||
1052 |
// End of File |