--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/inc/mcecomaudiocodec.h Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,273 @@
+/*
+* 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:
+*
+*/
+
+
+
+
+#ifndef CMCECOMAUDIOCODEC_H
+#define CMCECOMAUDIOCODEC_H
+
+// INCLUDES
+#include "mcecomcodec.h"
+
+#ifdef MCE_COMMON_SERVER_SIDE
+
+class CMceMediaManager;
+class CMceComAudioStream;
+
+#endif//MCE_COMMON_SERVER_SIDE
+
+// FUNCTION PROTOTYPES
+
+// CLASS DECLARATION
+/**
+* Container class for the codec information.
+*
+* @lib
+* @since
+*/
+class CMceComAudioCodec : public CMceComCodec
+ {
+
+public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @param aSdpName sdp name
+ */
+ static CMceComAudioCodec* NewL( TBuf8<KMceMaxSdpNameLength> aSdpName );
+
+ /**
+ * Two-phased constructor.
+ * @param aSdpName sdp name
+ */
+ static CMceComAudioCodec* NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName );
+
+ /**
+ * Destructor.
+ */
+ ~CMceComAudioCodec();
+
+
+public: // from CMceComCodec
+
+ /**
+ * Internalizes flat data
+ * @param aReadStream read stream
+ */
+ void InternalizeFlatL( RReadStream& aReadStream );
+
+ /**
+ * Externalizes flat data
+ * @param aWriteStream write stream
+ */
+ void ExternalizeFlatL( RWriteStream& aWriteStream );
+
+ /**
+ * Updates this object
+ * @param aUpdate object updates this
+ */
+ void UpdateL( CMceComCodec& aCodec );
+
+public: //new functions
+
+ /**
+ * Clones
+ */
+ virtual CMceComAudioCodec* CloneL();
+
+ /**
+ * Factory
+ * @return factory
+ */
+ static TMceComAudioCodecFactory Factory();
+
+ static TInt CompareSdpIndex( const CMceComAudioCodec& aIndex1,
+ const CMceComAudioCodec& aIndex2 );
+
+ /**
+ * Sets the sampling frequency.
+ * @param aSamplingFreq, Sampling frequency to be used
+ * @return KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone.
+ */
+ virtual TInt SetSamplingFreq( TUint aSamplingFreq );
+
+ /**
+ * Sets the packetization rate.
+ * @param aPTime, Packetization rate, must be multiple of audio frame size.
+ * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone.
+ */
+ virtual TInt SetPTime( TUint aPTime );
+
+ /**
+ * Sets the maximum packetization rate.
+ * @param aMaxPTime, maximum allowed packetization rate, must be multiple of audio frame size.
+ * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone.
+ */
+ virtual TInt SetMaxPTime( TUint aMaxPTime );
+
+#ifdef MCE_COMMON_SERVER_SIDE
+
+ /**
+ * Assigns mcc codec
+ * @param aMccCodec mcc codec
+ * @return assigned codecs
+ */
+ CMceComCodec& operator=( CMccCodecInformation& aMccCodec );
+
+ /**
+ * Decodes to mcc codec
+ * @param aMccCodec mcc codec
+ */
+ void DoMccDecodeL( CMccCodecInformation& aMccCodec );
+
+ /**
+ * Encodes from mcc codec
+ * @param aMccCodec mcc codec
+ * @param aStream stream
+ */
+ void DoMccEncodeL( CMccCodecInformation& aMccCodec,
+ CMceSrvStream& aStream );
+
+ /**
+ * Validates codec values based on mcc codec
+ * @param aMccCodec mcc codec
+ * @param aStream stream
+ * @param aRole role
+ */
+ CMceComCodec* DoMccValidateL( CMccCodecInformation& aMccCodec,
+ CMceSrvStream& aStream,
+ TMceNegotiationRole aRole );
+
+ /**
+ * Adjust codec values based on mcc codec
+ * @param aMccCodec mcc codec
+ * @param aStream stream
+ */
+ void DoMccAdjustL( CMccCodecInformation& aMccCodec,
+ CMceSrvStream& aStream );
+
+ /**
+ * Checks, if signalling is required
+ * @param aStream stream
+ * @param aMccCurentCodec current mcc codec
+ * @param aMccUpdateCodec to be used mcc codec
+ */
+ TInt DoMccRequireSignalling(
+ const CMceSrvStream& aStream,
+ const CMccCodecInformation& aMccCurentCodec,
+ const CMccCodecInformation& aMccUpdateCodec ) const;
+
+ /**
+ * Creates server stream(s) for this codec
+ * @param aCodecIndex
+ * @param aStreams stream is added to the array
+ * @param aAudio
+ * @param aManager
+ */
+ virtual void DoDecodeAudioL( TInt aCodecIndex,
+ RPointerArray<CMceSrvStream>& aStreams,
+ CMceComAudioStream& aAudio,
+ CMceMediaManager& aManager );
+
+protected: // from CMceComCodec
+
+ /**
+ * Set default fmtp line
+ */
+ void DoSetDefaultFmtpAttributeL();
+
+protected:
+
+ void DoMccEncodeComfortNoiseL( CMccCodecInformation& aMccCodec,
+ CMceSrvStream& aStream );
+
+ void DoMccEncodeRedundancyL( CMccCodecInformation& aMccCodec,
+ CMceSrvStream& aStream );
+
+ void UpdateSendCodec( TInt& aCodecIndex,
+ CMceComAudioStream& aAudio,
+ CMceComAudioCodec& aCodec );
+
+#endif//MCE_COMMON_SERVER_SIDE
+
+protected:
+
+ /**
+ * C++ default constructor.
+ */
+ CMceComAudioCodec();
+
+ /**
+ * second-phase copy constructor
+ */
+ void ConstructL( CMceComAudioCodec& aCodec );
+
+
+ /**
+ * second-phase copy constructor
+ */
+ void ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName );
+
+
+
+public: // Owned serialized Data
+
+
+
+ /**
+ * Enables or disables VAD
+ */
+ TBool iEnableVAD;
+
+ /**
+ * Sampling frequency used with codec
+ */
+ TUint iSamplingFreq;
+
+ /**
+ * Stream's packet time
+ */
+ TUint iPTime;
+
+ /**
+ * Stream's max packet time
+ */
+ TUint iMaxPTime;
+
+ /**
+ * Payload type of associated red codec
+ */
+ TUint8 iRedPayloadType;
+
+ /**
+ * Redundancy level
+ */
+ TUint iRedCount;
+
+ /**
+ * Comfort noise
+ */
+ TBool iComfortNoiseEnabled;
+
+ };
+
+
+
+#endif
+
+// End of File
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