/*

* Copyright (c) 2002-2004 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:    MCC CodecInformation

*

*/

// INCLUDE FILES

#include <AudioPreference.h>

#include <delimitedpathsegment8.h>

#include "mmcccodecinformation.h"

#include "mccinternalcodecs.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

const TUint KDefaultSamplingFreq = 8000;

const TUint KDefaultBufferLength = 10;

const TUint KDefaultBufferThreshold = 5;

const TUint KDefaultPreference = EMdaPriorityPreferenceNone;

const TUint KDefaultPriority = EMdaPriorityNormal;

const TInt KDefaultModeChangePeriod = 1;

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CMccCodecInformation::CMccCodecInformation

// default constructor

// -----------------------------------------------------------------------------

//

CMccCodecInformation::CMccCodecInformation() :

    iType( KUidMediaTypeAudio ),

    iSamplingFreq( KDefaultSamplingFreq ),

    iMaxPTime( KMaxPtime ),

    iFmtpAttr( NULL ),

    iBitrateMask( 0 ),

    iRedCount( 0 ),

    iRedundancyPT( KMccPayloadTypeMax ),

    iJitterBufThreshold( KDefaultBufferThreshold ),

    iJitterBufBufferLength( KDefaultBufferLength ),

    iModeChangePeriod( KDefaultModeChangePeriod ),

    iNeighbor( EFalse ),

    iComfortNoiseGenerationPt( KPayloadTypeUndefined ),

    iPriority( KDefaultPriority ),

    iPriorityPreference( KDefaultPreference ),

    iAverageBitrate( 0 ),

    iMaxBitrate( 0 ),

    iFramerate( 0 ),

    iVideoWidth( 0 ),

    iVideoHeight( 0 ),

    iPayloadFormatEncoder( 0 ),

    iPayloadFormatDecoder( 0 ),

    iEncodingDecodingDevice( KNullUid )

    {

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::~CMccCodecInformation

// Destructor

// -----------------------------------------------------------------------------

//

CMccCodecInformation::~CMccCodecInformation()

    {

    delete iFmtpAttr;

    delete iConfigKey;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetValues

// -----------------------------------------------------------------------------

//

void CMccCodecInformation::SetValues( TMccCodecInfo codecInfo )

    {

    iType = codecInfo.iType;

    iSdpName = codecInfo.iSdpName;

    iSamplingFreq = codecInfo.iSamplingFreq;

    iBitrateMask = codecInfo.iBitrateMask;

    iJitterBufInactivityTimeOut = codecInfo.iJitterBufInactivityTimeOut;

    iJitterBufThreshold = codecInfo.iJitterBufThreshold;

    iJitterBufBufferLength = codecInfo.iJitterBufBufferLength;

    iModeChangePeriod = codecInfo.iModeChangePeriod;

    iNeighbor = codecInfo.iNeighbor;

    iComfortNoiseGenerationPt = codecInfo.iComfortNoiseGenerationPt;

    iPriority = codecInfo.iPriority.iPriority;

    iPriorityPreference = codecInfo.iPriority.iPref;

    iAverageBitrate = codecInfo.iAverageBitrate;

    iMaxBitrate = codecInfo.iMaxBitrate;

    iFramerate = codecInfo.iFramerate;

    iVideoWidth = codecInfo.iVideoWidth;

    iVideoHeight = codecInfo.iVideoHeight;

    iPayloadFormatEncoder = codecInfo.iPayloadFormatEncoder;

    iPayloadFormatDecoder = codecInfo.iPayloadFormatDecoder;

    iFourCC = codecInfo.iFourCC.FourCC();

    iAlgoUsed = codecInfo.iAlgoUsed;

    iRedCount = codecInfo.iRedundancyCount;

    iRedundancyPT = codecInfo.iRedundantPayload;

    SetBitrate( codecInfo.iBitrate ); // Some codecs have special behavior

    iCodecMode = codecInfo.iCodecMode;

    iEnableVAD = codecInfo.iEnableDTX;

    iMaxPTime = codecInfo.iMaxPtime;

    iPTime = codecInfo.iPtime;

    iPayloadType = codecInfo.iPayloadType;

    iFrameSize = codecInfo.iFrameSize;

    iHwFrameTime = codecInfo.iHwFrameTime;

    iKeepAlivePT = codecInfo.iKeepalivePT;

    iKeepAliveData = codecInfo.iKeepaliveData;

    iMaxRed = codecInfo.iMaxRed;

    if ( codecInfo.iConfigKey != KNullDesC8 )

        {

        TRAP_IGNORE( SetConfigKeyL( codecInfo.iConfigKey ) )

        }

    iEncodingDecodingDevice = codecInfo.iEncodingDecodingDevice;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::GetValues

// -----------------------------------------------------------------------------

//

void CMccCodecInformation::GetValues( TMccCodecInfo& codecInfo ) const

    {

    codecInfo.iType = iType;

    codecInfo.iSdpName = iSdpName;

    codecInfo.iSamplingFreq = iSamplingFreq;

    codecInfo.iBitrateMask = iBitrateMask;

    codecInfo.iJitterBufInactivityTimeOut = iJitterBufInactivityTimeOut;

    codecInfo.iJitterBufThreshold = iJitterBufThreshold;

    codecInfo.iJitterBufBufferLength = iJitterBufBufferLength;

    codecInfo.iPriority.iPriority = iPriority;

    codecInfo.iPriority.iPref = TMdaPriorityPreference( iPriorityPreference );

    codecInfo.iAverageBitrate = iAverageBitrate;

    codecInfo.iMaxBitrate = iMaxBitrate;

    codecInfo.iFramerate = iFramerate;

    codecInfo.iComfortNoiseGenerationPt = iComfortNoiseGenerationPt;

    codecInfo.iVideoWidth = iVideoWidth;

    codecInfo.iVideoHeight = iVideoHeight;

    codecInfo.iPayloadFormatEncoder = iPayloadFormatEncoder;

    codecInfo.iPayloadFormatDecoder = iPayloadFormatDecoder;

    codecInfo.iFourCC = TFourCC( iFourCC );

    codecInfo.iAlgoUsed = iAlgoUsed;

    codecInfo.iRedundancyCount = iRedCount;

    codecInfo.iRedundantPayload = iRedundancyPT;

    codecInfo.iBitrate = iBitrate;

    codecInfo.iCodecMode = iCodecMode;

    codecInfo.iEnableDTX = iEnableVAD;

    codecInfo.iMaxPtime = iMaxPTime;

    codecInfo.iPtime = iPTime;

    codecInfo.iPayloadType = iPayloadType;

    codecInfo.iFrameSize = iFrameSize;

    codecInfo.iHwFrameTime = iHwFrameTime;

    codecInfo.iRedundantPayload = iRedundancyPT;

    codecInfo.iNeighbor = iNeighbor;

    codecInfo.iModeChangePeriod = iModeChangePeriod;

    codecInfo.iKeepalivePT = iKeepAlivePT;

    codecInfo.iKeepaliveData = iKeepAliveData;

    codecInfo.iMaxRed = iMaxRed;

    if ( iConfigKey && iConfigKey->Length() <= KMaxConfigKeyLen )

        {

        codecInfo.iConfigKey.Copy( *iConfigKey );

        }

    codecInfo.iEncodingDecodingDevice = iEncodingDecodingDevice;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::RequireSignalling

// -----------------------------------------------------------------------------

//

TBool CMccCodecInformation::RequireSignalling(

    const CMccCodecInformation& /*aCandidate*/ ) const

    {

    return EFalse;    

    }  

// -----------------------------------------------------------------------------

// CMccCodecInformation::Type

// -----------------------------------------------------------------------------

//

TUid CMccCodecInformation::Type() const

    {

    return iType;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::VAD

// -----------------------------------------------------------------------------

//

TBool CMccCodecInformation::VAD() const

    {

    return iEnableVAD;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::Bitrate

// -----------------------------------------------------------------------------

//

TUint CMccCodecInformation::Bitrate() const

   {

   return iBitrate;

   }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SamplingFreq

// Gets the sampling frequency. 

// -----------------------------------------------------------------------------

//

TUint32 CMccCodecInformation::SamplingFreq() const

    {

    return iSamplingFreq;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SdpName

// Gets the codec name.

// -----------------------------------------------------------------------------

//

const TDesC8& CMccCodecInformation::SdpName() const

    {

    return iSdpName;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::CodecMode

// Gets the codec mode e.g. uLaw/aLaw.

// -----------------------------------------------------------------------------

//

TCodecMode CMccCodecInformation::CodecMode() const

   {

   return iCodecMode;

   }

// -----------------------------------------------------------------------------

// CMccCodecInformation::PayloadType

// Gets the payloadtype.

// -----------------------------------------------------------------------------

//

TUint8 CMccCodecInformation::PayloadType() const

    {

    return iPayloadType;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::PTime

// Gets the packet time.

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::PTime() const

    {

    return iPTime;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::MaxPTime

// Gets the max packet time.

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::MaxPTime() const

    {

    return iMaxPTime;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::GetFmtpL

// Gets the fmtp attribute

// -----------------------------------------------------------------------------

//

TDesC8& CMccCodecInformation::GetFmtpL()

    {

    if( !iFmtpAttr )

        {

        iFmtpAttr = HBufC8::NewL(0);

        }

    return *iFmtpAttr;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::CreateFmtpAttrListL

// If fmtp does not exist, then create it from internal values

// -----------------------------------------------------------------------------

//   

void CMccCodecInformation::CreateFmtpAttrListL()

    {

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::CreateFmtpAttrListL

// If fmtp does not exist, then create it from internal values and 

// the bitrate array

// -----------------------------------------------------------------------------

//        

void CMccCodecInformation::CreateFmtpAttrListL( const RArray<TUint>&  /*aBitrates*/ )

    {

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetFmtpAttrL

// Gets the fmtp attribute

// -----------------------------------------------------------------------------

//

void CMccCodecInformation::SetFmtpAttrL( const TDesC8& aFmtp, TBool parseFmtp )

    {

    if ( iFmtpAttr )

        {

        delete iFmtpAttr;

        iFmtpAttr = NULL;

        }

    iFmtpAttr = HBufC8::NewL( aFmtp.Length() );

    iFmtpAttr->Des().Copy( aFmtp );

    //Check if the fmtp string should be parsed

    if( parseFmtp )

        {        

        ParseFmtpAttrL( *iFmtpAttr );    

        }

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::ParseFmtpAttrL

// Parse the fmtp string, but doesn't update the iFmtpAttr

// -----------------------------------------------------------------------------

//

TBool CMccCodecInformation::ParseFmtpAttrL( const TDesC8& /*aFmtp*/ )

    {

    return EFalse;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetAllowedBitrates

// Gets Codec FourCC

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::SetAllowedBitrates( TUint /*aBitrateMask*/ )

    {

    return KErrNotSupported;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::AllowedBitrates

// Gets Codec FourCC

// -----------------------------------------------------------------------------

//

TUint CMccCodecInformation::AllowedBitrates() const

    {

    return iBitrateMask;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::FourCC

// Gets Codec FourCC

// -----------------------------------------------------------------------------

//

TUint32 CMccCodecInformation::FourCC( ) const

    {

    return iFourCC;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::FrameTime

// Gets Frametime (ms).

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::FrameTime() const

    {

    return iHwFrameTime;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::FrameSize

// Gets FrameSize.

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::FrameSize() const

    {

    return iFrameSize;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetAlgo

// Sets Algorithm.

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::SetAlgo( TAlgoUsed aAlgo )

    {

    iAlgoUsed = aAlgo;

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::Algo

// Gets used algorithm.

// -----------------------------------------------------------------------------

//

TAlgoUsed CMccCodecInformation::Algo( ) const

    {

    return iAlgoUsed;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetRedCount

// Sets Redundancy Count.

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::SetRedCount( TUint aRedCount )

    {

    if ( KMaxGenRedCount < aRedCount )

        {

        return KErrArgument;

        }

    TAlgoUsed algo = aRedCount > 0 ? EGenRedUsed : ENoAlgoUsed;

    SetAlgo( algo );

    iRedCount = aRedCount;

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::RedCount

// Gets Redundancy Count.

// -----------------------------------------------------------------------------

//

TUint CMccCodecInformation::RedCount( ) const

    {

    return iRedCount;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetRedundancyPT

// Sets Redundancy PayloadType.

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::SetRedundancyPT( TUint8 aRedPT )

    {

    iRedundancyPT = aRedPT;

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::RedundancyPT

// Gets Redundancy PayloadType.

// -----------------------------------------------------------------------------

//

TUint8 CMccCodecInformation::RedundancyPT( ) const

    {

    return iRedundancyPT;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetJitterBufInactivityTimeOut

// Set JitterBuffer Timeout time

// -----------------------------------------------------------------------------

//

TInt CMccCodecInformation::SetJitterBufInactivityTimeOut( TUint aJitterBufInactivityTimeOut )

    {

    iJitterBufInactivityTimeOut = aJitterBufInactivityTimeOut;

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::JitterBufInactivityTimeOut

// Get JitterBuffer timeout time

// -----------------------------------------------------------------------------

//

TUint CMccCodecInformation::JitterBufInactivityTimeOut() const

    {

    return iJitterBufInactivityTimeOut;

    }

// -----------------------------------------------------------------------------

// CMccCodecInformation::SetJitterBufThreshold

// Set JitterBuffer treshold

// -----------------------------------------------------------------------------