multimediacommsengine/mmceshared/src/mcecomredcodec.cpp
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/src/mcecomredcodec.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,226 @@
+/*
+* Copyright (c) 2005 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:    
+*
+*/
+
+
+
+
+#include "mceredcodec.h"
+#include "mcecomredcodec.h"
+
+#ifdef MCE_COMMON_SERVER_SIDE
+
+#include <mmcccodecinformationfactory.h>
+#include <mmcccodecinformation.h>
+#include "mcecomaudiostream.h"
+
+#endif //MCE_COMMON_SERVER_SIDE
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::NewL
+// -----------------------------------------------------------------------------
+//
+CMceComRedCodec* CMceComRedCodec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName )
+    {
+    CMceComRedCodec* self = NewLC( aSdpName );
+    CleanupStack::Pop( self );
+    return self;
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::NewLC
+// -----------------------------------------------------------------------------
+//
+CMceComRedCodec* CMceComRedCodec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName )
+    {
+    CMceComRedCodec* self = new (ELeave) CMceComRedCodec();
+    CleanupStack::PushL( self );
+    self->ConstructL( aSdpName );
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::~CMceComRedCodec
+// -----------------------------------------------------------------------------
+//
+CMceComRedCodec::~CMceComRedCodec()
+    {
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::CMceComRedCodec
+// -----------------------------------------------------------------------------
+//
+CMceComRedCodec::CMceComRedCodec()
+ : CMceComAudioCodec()
+    {
+    iState = CMceCodec::EDisabled; // NOTE: Red is in disabled state by default
+    
+    iFourCC = 0;
+    iEnableVAD = EFalse;
+    iSamplingFreq  = KMceRedSamplingFreq;   
+    iPTime = KMceRedDefaultPtime;
+    iMaxPTime = KMceRedDefaultMaxPtime;
+    iPayloadType = KMceDefaultRedPayloadType;
+    
+    // valid default codec mode is needed for MCC codec interaction
+    const TUint KRedCodecMode = 1;
+    iCodecMode = KRedCodecMode;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::SendSupported
+// -----------------------------------------------------------------------------
+//
+TBool CMceComRedCodec::SendSupported()
+    {
+    return EFalse;
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::ConstructL
+// -----------------------------------------------------------------------------
+//
+CMceComAudioCodec* CMceComRedCodec::CloneL()
+    {
+    CMceComRedCodec* copy = new (ELeave) CMceComRedCodec();
+    CleanupStack::PushL( copy );
+    copy->ConstructL( *this );
+    CleanupStack::Pop( copy );
+    return copy;
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComRedCodec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName )
+    {
+    CMceComAudioCodec::ConstructL( aSdpName );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComRedCodec::ConstructL( CMceComRedCodec& aCodec )
+    {
+    CMceComAudioCodec::ConstructL( aCodec );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::SetPayloadType
+// -----------------------------------------------------------------------------
+//
+TInt CMceComRedCodec::SetPayloadType( TUint8 aPayloadType )
+    {
+    if ( KMinDynPayloadType <= aPayloadType )
+        {
+        return CMceComCodec::SetPayloadType( aPayloadType );
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    }
+
+
+#ifdef MCE_COMMON_SERVER_SIDE
+
+// -----------------------------------------------------------------------------
+// CMceComRedCodec::DoDecodeAudioL
+// -----------------------------------------------------------------------------
+//
+void CMceComRedCodec::DoDecodeAudioL( 
+    TInt aCodecIndex,
+    RPointerArray<CMceSrvStream>& /*aStreams*/,
+    CMceComAudioStream& aAudio,
+    CMceMediaManager& /*aManager*/ )
+    {
+    // Special handling for red codecs, red settings affect to other codecs.
+    // If red codec is preferred send codec, associated codec of highest
+    // preference is selected as send stream. If there's no associated
+    // codec(s) for the red for some reason, next codec with sending capability
+    // is enabled.
+    //
+    CMccCodecInformationFactory* factory = CMccCodecInformationFactory::NewL();
+    CleanupStack::PushL( factory );
+    CMccCodecInformation* mccCodec = factory->CreateCodecInformationL( iSdpName );
+    CleanupStack::PushL( mccCodec );
+    
+    // Use dummy mcc codec for parsing the fmtp
+    mccCodec->SetFmtpAttrL( *iFmtpAttr, ETrue );
+    
+    RArray<TUint> redPayloads;
+    CleanupClosePushL( redPayloads );
+    mccCodec->RedPayloadsL( redPayloads );
+    
+    const TInt codecCount = aAudio.CodecCount();
+    
+    for ( TInt i = 0 ; i < codecCount ; i++ )
+        {
+        // There needs to be two entries of certain payload type in red payloads
+        // array if red level 1 should be used.
+        //
+        CMceComAudioCodec* codec = aAudio.CodecL( i );
+        
+        const TInt KMceRedNotPresent( -1 );
+        TInt redCount( KMceRedNotPresent );
+        
+        for ( TInt j = 0; j < redPayloads.Count(); j++ )
+            {
+            if ( codec->iPayloadType == static_cast<TUint8>( redPayloads[ j ] ) )
+                {
+                redCount++;
+                }
+            }
+        
+        if ( redCount > 0 )
+            {
+            codec->iRedPayloadType = iPayloadType;
+            codec->iRedCount = redCount;
+            UpdateSendCodec( aCodecIndex, aAudio, *codec );
+            }
+        else
+            {
+            codec->iRedPayloadType = KMcePayloadTypeUndefined;
+            codec->iRedCount = 0;
+            }
+        
+        if ( !redPayloads.Count() )
+            {
+            UpdateSendCodec( aCodecIndex, aAudio, *codec );
+            }
+        }
+    
+    CleanupStack::PopAndDestroy( &redPayloads );    
+    CleanupStack::PopAndDestroy( mccCodec );
+    CleanupStack::PopAndDestroy( factory );
+    }
+    
+#endif
+
+// End of File
+