diff -r 000000000000 -r 1bce908db942 multimediacommsengine/mmceshared/src/mcecomh263codec.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/multimediacommsengine/mmceshared/src/mcecomh263codec.cpp Tue Feb 02 01:04:58 2010 +0200 @@ -0,0 +1,246 @@ +/* +* Copyright (c) 2006 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 "mcecomh263codec.h" + + +const TReal KMceH263DefaultLoweredFrameRate = 12; + +// ============================ MEMBER FUNCTIONS =============================== + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::NewL +// ----------------------------------------------------------------------------- +// +CMceComH263Codec* CMceComH263Codec::NewL( TBuf8 aSdpName ) + { + CMceComH263Codec* self = NewLC( aSdpName ); + CleanupStack::Pop( self ); + return self; + + } + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::NewLC +// ----------------------------------------------------------------------------- +// +CMceComH263Codec* CMceComH263Codec::NewLC( TBuf8 aSdpName ) + { + CMceComH263Codec* self = new (ELeave) CMceComH263Codec(); + CleanupStack::PushL( self ); + self->ConstructL( aSdpName ); + return self; + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::~CMceComH263Codec +// ----------------------------------------------------------------------------- +// +CMceComH263Codec::~CMceComH263Codec() + { + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::CMceComH263Codec +// ----------------------------------------------------------------------------- +// +CMceComH263Codec::CMceComH263Codec() + :CMceComVideoCodec() + { + iClockRate = KMceH263ClockRate; + iFrameRate = KMceH263DefaultLoweredFrameRate; + iResolutionWidth = KMceH263FrameWidth; + iResolutionHeight = KMceH263FrameHeight; + iBitrate = KMceH263DefaultBitrate; + iMaxBitRate = KMceH263DefaultMaxBitrate; + iAllowedBitrates = KMceH263DefaultAllowedBitrate; + iFrameSize = KMceH263DefaultFrameSize; + // Defaults should be defined in MCE API + const TUint8 KMceDefaultH263PayloadType = 97; + iPayloadType = KMceDefaultH263PayloadType; + + iReceiveFrameRate = KMceH263FrameRate; + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::ConstructL +// ----------------------------------------------------------------------------- +// +CMceComVideoCodec* CMceComH263Codec::CloneL() + { + CMceComH263Codec* copy = new (ELeave) CMceComH263Codec(); + CleanupStack::PushL( copy ); + copy->ConstructL( *this ); + CleanupStack::Pop( copy ); + return copy; + + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::ConstructL +// ----------------------------------------------------------------------------- +// +void CMceComH263Codec::ConstructL( TBuf8 aSdpName ) + { + CMceComVideoCodec::ConstructL( aSdpName ); + + // NOTE: 1998 mode codec is disabled by default in order to prevent + // default offer to contain both 2000 and 1998 mode versions + if ( iSdpName.CompareF( KMceSDPNameH2631998 ) == 0 ) + { + iState = CMceCodec::EDisabled; + } + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::ConstructL +// ----------------------------------------------------------------------------- +// +void CMceComH263Codec::ConstructL( CMceComH263Codec& aCodec ) + { + CMceComVideoCodec::ConstructL( aCodec ); + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::SetBitrate +// ----------------------------------------------------------------------------- +// +TInt CMceComH263Codec::SetBitrate( TUint aBitrate ) + { + return CMceComCodec::SetBitrate( aBitrate ); + } + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::SetAllowedBitrates +// ----------------------------------------------------------------------------- +// +TInt CMceComH263Codec::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( KMceAllowedH263BitrateAll ); + iAllowedBitrates &= aBitrates; + CMceComVideoCodec::SetMaxBitrate( GetMaxBitRate() ); + if ( iBitrate > iMaxBitRate ) + { + error = CMceComCodec::SetBitrate( iMaxBitRate ); + } + } + + return error; + + } + + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::GetMaxBitRate +// ----------------------------------------------------------------------------- +// +TUint CMceComH263Codec::GetMaxBitRate() + { + if( iAllowedBitrates & KMceAllowedH263Bitrate45 ) + { + return KMceH263Level45Bitrate; + } + else if( iAllowedBitrates & KMceAllowedH263Bitrate10 ) + { + return KMceH263Level10Bitrate; + } + else + { + return 0; + } + + } + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::SetMaxBitrate +// ----------------------------------------------------------------------------- +// +TInt CMceComH263Codec::SetMaxBitrate( TUint aMaxBitrate ) + { + TInt status = KErrNone; + switch( aMaxBitrate ) + { + case KMceH263Level10Bitrate: + { + status = SetAllowedBitrates( KMceAllowedH263Bitrate10 ); + break; + } + case KMceH263Level45Bitrate: + { + status = SetAllowedBitrates( KMceAllowedH263Bitrate45 ); + break; + } + default: + { + status = KErrNotSupported; + break; + } + } + + return status; + + } + +// ----------------------------------------------------------------------------- +// CMceComH263Codec::ResolveAllowedBitrates +// ----------------------------------------------------------------------------- +// +TInt CMceComH263Codec::ResolveAllowedBitrates( + TUint aBitrate, TUint& aAllowedBitrates ) + { + TInt retVal( KErrNone ); + + if ( aBitrate <= KMceH263Level10Bitrate ) + { + aAllowedBitrates = KMceAllowedH263Bitrate10; + } + else if ( aBitrate <= KMceH263Level45Bitrate ) + { + aAllowedBitrates = KMceAllowedH263BitrateAll; + } + else + { + retVal = KErrNotSupported; + } + + return retVal; + } + +// End of File + +