1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @publishedPartner

    19 */

    20 

    21 #include <bluetooth/logger.h>

    22 #include <bluetoothav.h>

    23 #include "gavdpinterface.h"

    24 

    25 #ifdef __FLOG_ACTIVE

    26 _LIT8(KLogComponent, LOG_COMPONENT_AVLIB);

    27 #endif

    28 

    29 #ifdef _DEBUG

    30 PANICCATEGORY("headcomp");

    31 #endif

    32 

    33 const TUint8 KBackChannelBitMask= 0x80;

    34 const TUint8 KMediaBitMask		= 0x40;

    35 const TUint8 KRecoveryBitMask	= 0x20;

    36 

    37 EXPORT_C TAvdtpHeaderCompressionCapabilities::TAvdtpHeaderCompressionCapabilities()

    38 : TAvdtpServiceCapability(EServiceCategoryHeaderCompression, KServiceCatLOSCHeaderCompression)

    39 	{

    40 	}

    41 	

    42 EXPORT_C /*virtual*/ TInt TAvdtpHeaderCompressionCapabilities::AsProtocol(RBuf8& aBuffer) const

    43 	{

    44 	TInt ret = AddHeader(aBuffer);

    45 	

    46 	if (ret==KErrNone)

    47 		{

    48 		TUint8 capabilityByte =0; // see fig8.52 AVDTP v1.0

    49 		capabilityByte |= BackChannel() ? KBackChannelBitMask : 0;

    50 		capabilityByte |= Media() ? KMediaBitMask : 0;

    51 		capabilityByte |= Recovery() ? KRecoveryBitMask : 0;

    52 		aBuffer.Append(capabilityByte);

    53 		}

    54 	return ret;	

    55 	}

    56 

    57 /*virtual*/	void TAvdtpHeaderCompressionCapabilities::Parse(const TDesC8& aPtr)

    58 	{

    59 	ASSERT_DEBUG(aPtr.Length()==1);	// the parse broke if this is not true

    60 	iBackChannel = (aPtr[0] & KBackChannelBitMask) ? ETrue : EFalse;

    61 	iMedia = (aPtr[0] & KMediaBitMask) ? ETrue : EFalse;

    62 	iRecovery = (aPtr[0] & KRecoveryBitMask) ? ETrue : EFalse;

    63 	}

    64 

    65 	

    66 EXPORT_C TBool TAvdtpHeaderCompressionCapabilities::Media() const

    67 	{

    68 	return iMedia;

    69 	}

    70 	

    71 EXPORT_C TBool TAvdtpHeaderCompressionCapabilities::Recovery() const

    72 	{

    73 	return iRecovery;

    74 	}

    75 	

    76 EXPORT_C TBool TAvdtpHeaderCompressionCapabilities::BackChannel() const

    77 	{

    78 	return iBackChannel;

    79 	}

    80 	

    81 EXPORT_C void TAvdtpHeaderCompressionCapabilities::SetCapabilities(TBool aMedia,TBool aRecovery,TBool aBackChannel)

    82 	{

    83 	iMedia=aMedia;

    84 	iRecovery=aRecovery;

    85 	iBackChannel=aBackChannel;

    86 	}