diff -r 000000000000 -r 1bce908db942 multimediacommsengine/mmceshared/src/mcecomg711codec.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/multimediacommsengine/mmceshared/src/mcecomg711codec.cpp Tue Feb 02 01:04:58 2010 +0200 @@ -0,0 +1,272 @@ +/* +* 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 "mceg711codec.h" +#include "mcecomg711codec.h" + +#ifdef MCE_COMMON_SERVER_SIDE + +#include + +#endif //MCE_COMMON_SERVER_SIDE + +//G.711 Default Frame Size +const TUint KMceG711FrameSize = 10; + +// ============================ MEMBER FUNCTIONS =============================== + + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::NewL +// ----------------------------------------------------------------------------- +// +CMceComG711Codec* CMceComG711Codec::NewL( TBuf8 aSdpName ) + { + CMceComG711Codec* self = NewLC( aSdpName ); + CleanupStack::Pop( self ); + return self; + + } + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::NewLC +// ----------------------------------------------------------------------------- +// +CMceComG711Codec* CMceComG711Codec::NewLC( TBuf8 aSdpName ) + { + CMceComG711Codec* self = new (ELeave) CMceComG711Codec(); + CleanupStack::PushL( self ); + self->ConstructL( aSdpName ); + return self; + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::~CMceComG711Codec +// ----------------------------------------------------------------------------- +// +CMceComG711Codec::~CMceComG711Codec() + { + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::CMceComG711Codec +// ----------------------------------------------------------------------------- +// +CMceComG711Codec::CMceComG711Codec() + : CMceComAudioCodec() + { + iFourCC = 0; + iEnableVAD = EFalse; + iSamplingFreq = KMceG711SamplingFreq; + iBitrate = KMceG711Bitrate64; + iPTime = KMceG711DefaultPtime; + iMaxPTime = KMceG711DefaultMaxPtime; + iAllowedBitrates = KMceAllowedG711Bitrate64K; + iPayloadType = KMcePCMAPayloadType; + iCodecMode = KMceG711PCMA; + iFrameSize = KMceG711FrameSize; + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::CloneL +// ----------------------------------------------------------------------------- +// +CMceComAudioCodec* CMceComG711Codec::CloneL() + { + CMceComG711Codec* copy = new (ELeave) CMceComG711Codec(); + CleanupStack::PushL( copy ); + copy->ConstructL( *this ); + CleanupStack::Pop( copy ); + return copy; + + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::ConstructL +// ----------------------------------------------------------------------------- +// +void CMceComG711Codec::ConstructL( TBuf8 aSdpName ) + { + + CMceComAudioCodec::ConstructL( aSdpName ); + + if( !iSdpName.CompareF(KMceSDPNamePCMU) ) + { + iCodecMode = KMceG711PCMU; + iPayloadType = KMcePCMUPayloadType; + } + else + { + iCodecMode = KMceG711PCMA; + iPayloadType = KMcePCMAPayloadType; + } + + } + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::ConstructL +// ----------------------------------------------------------------------------- +// +void CMceComG711Codec::ConstructL( CMceComG711Codec& aCodec ) + { + CMceComAudioCodec::ConstructL( aCodec ); + } + + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::SetBitrate +// ----------------------------------------------------------------------------- +// +TInt CMceComG711Codec::SetBitrate( TUint aBitrate ) + { + + TBool isValid = ETrue; + + switch ( aBitrate ) + { + case KMceG711Bitrate64: + { + if ( aBitrate > GetMaxBitRate() ) + { + isValid = EFalse; + } + break; + } + default: + isValid = EFalse; + break; + } + + if ( isValid ) + { + return CMceComCodec::SetBitrate( aBitrate ); + } + else + { + return KErrNotSupported; + } + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::SetAllowedBitrates +// ----------------------------------------------------------------------------- +// +TInt CMceComG711Codec::SetAllowedBitrates( TUint aBitrates ) + { + TInt error = KErrNone; + + //Confirm that the bitrate mask is valid + //I.e. after all the valid bitrates are set to zero the value should be zero + if ( !aBitrates || + ( aBitrates >> 8 ) > 0 ) + { + error = KErrArgument; + } + else + { + CMceComCodec::SetAllowedBitrates( KMceAllowedG711BitrateAllowAll ); + iAllowedBitrates &= aBitrates; + TUint maxBitrate = GetMaxBitRate(); + if ( iBitrate > maxBitrate ) + { + error = CMceComCodec::SetBitrate( maxBitrate ); + } + } + + return error; + + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::SetCodecMode +// ----------------------------------------------------------------------------- +// +TInt CMceComG711Codec::SetCodecMode( TUint aCodecMode ) + { + if ( KMceG711PCMU == aCodecMode || KMceG711PCMA == aCodecMode ) + { + iCodecMode = aCodecMode; + return KErrNone; + } + else + { + return KErrNotSupported; + } + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::GetMaxBitRate +// ----------------------------------------------------------------------------- +// +TUint CMceComG711Codec::GetMaxBitRate() + { + if( iAllowedBitrates & KMceAllowedG711Bitrate64K ) + { + return KMceG711Bitrate64; + } + else + { + return 0; + } + } + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::SetPTime +// ----------------------------------------------------------------------------- +// +TInt CMceComG711Codec::SetPTime( TUint aPTime ) + { + if ( ( aPTime % KMceG711FrameSize ) == 0 ) + { + return CMceComAudioCodec::SetPTime( aPTime ); + } + else + { + return KErrNotSupported; + } + } + + +// ----------------------------------------------------------------------------- +// CMceComG711Codec::SetMaxPTime +// ----------------------------------------------------------------------------- +// +TInt CMceComG711Codec::SetMaxPTime( TUint aMaxPTime ) + { + if ( ( aMaxPTime % KMceG711FrameSize ) == 0 ) + { + return CMceComAudioCodec::SetMaxPTime( aMaxPTime ); + } + else + { + return KErrNotSupported; + } + } + +// End of File