Symaptic: os/mm/mmhais/a3facl/src/buffersource/logicalbuffersource.cpp@bde4ae8d615e

     1 // Copyright (c) 2004-2009 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 // Name        : logicalbuffersource.cpp

    15 // Part of     : ACL Logical Layer

    16 //

    20 #include "logicalbuffersource.h"

    21 #include <a3f/audioprocessingunittypeuids.h>

    22 #include <ecom/implementationproxy.h> // For making it ECom plugin

    24 // Map the interface implementation UIDs to implementation factory functions

    25 const TImplementationProxy ImplementationTable[] =

    26 	{

    27 	IMPLEMENTATION_PROXY_ENTRY(KMmfBufferSourceUid,  CLogicalBufferSource::NewL),

    28 	};

    30 // Exported proxy for instantiation method resolution.

    31 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    32 	{

    33 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    34 	return ImplementationTable;

    35 	}

    36 // ---------------------------------------------------------------------------

    37 // Constructor

    38 // ---------------------------------------------------------------------------

    39 //

    40 CLogicalBufferSource::CLogicalBufferSource(TAny* aParam) : CAudioProcessingUnit(aParam)

    41 	{

    42 	TRACE_CREATE();

    43 	DP_CONTEXT(CLogicalBufferSource::CLogicalBufferSource *CD1*, CtxDevSound, DPLOCAL);

    44 	DP_IN();

    45 	DP_OUT();

    46 	}

    48 // ---------------------------------------------------------------------------

    49 // Factory method

    50 // ---------------------------------------------------------------------------

    51 //

    52 CLogicalBufferSource* CLogicalBufferSource::NewL(TAny* aParameters)

    53 	{

    54 	DP_STATIC_CONTEXT(CLogicalBufferSource::NewL *CD0*, CtxDevSound, DPLOCAL);

    55 	DP_IN();

    56 	CLogicalBufferSource* self = new(ELeave)CLogicalBufferSource(aParameters);

    57 	CleanupStack::PushL(self);

    58 	self->ConstructL();

    59 	CleanupStack::Pop(self);

    60 	DP0_RET(self, "0x%x");

    61 	}

    63 // ---------------------------------------------------------------------------

    64 // Second phase constructor

    65 // ---------------------------------------------------------------------------

    66 //

    67 void CLogicalBufferSource::ConstructL()

    68 	{

    69 	DP_CONTEXT(CLogicalBufferSource::ConstructL *CD1*, CtxDevSound, DPLOCAL);

    70 	DP_IN();

    71 	DP_OUT();

    72 	}

    74 // ---------------------------------------------------------------------------

    75 // Destructor

    76 // ---------------------------------------------------------------------------

    77 //

    78 CLogicalBufferSource::~CLogicalBufferSource()

    79 	{

    80 	DP_CONTEXT(CLogicalBufferSource::~CLogicalBufferSource *CD1*, CtxDevSound, DPLOCAL);

    81 	DP_IN();

    82 	DP_OUT();

    83 	}

    85 // from MMMFBufferSource

    86 // ---------------------------------------------------------------------------

    87 // CLogicalBufferSource::SetDataSupplier

    88 // ---------------------------------------------------------------------------

    89 //

    90 TInt CLogicalBufferSource::SetDataSupplier(MMMFAudioDataSupplier& aSupplier)

    91 	{

    92 	DP_CONTEXT(CLogicalBufferSource::SetDataSupplier *CD1*, CtxDevSound, DPLOCAL);

    93 	DP_IN();

    94 	TInt err = KErrNone;

    95 	iSupplier = &aSupplier;

    96 	DP0_RET(err, "%d");

    97 	}

    99 // ---------------------------------------------------------------------------

   100 // CLogicalBufferSource::BufferFilled

   101 // ---------------------------------------------------------------------------

   102 //

   103 TInt CLogicalBufferSource::BufferFilled(CMMFBuffer* aBuffer)

   104 	{

   105 	DP_CONTEXT(CLogicalBufferSource::BufferFilled *CD1*, CtxDevSound, DPLOCAL);

   106 	DP_IN();

   107 	TInt err = KErrNone;

   108 	err = iAdaptationBufferSource->BufferFilled(aBuffer);

   109 	DP0_RET(err, "%d");

   110 	}

   112 // ---------------------------------------------------------------------------

   113 // CLogicalBufferSource::BuffersDiscarded

   114 // ---------------------------------------------------------------------------

   115 //

   116 TInt CLogicalBufferSource::BuffersDiscarded()

   117 	{

   118 	DP_CONTEXT(CLogicalBufferSource::BuffersDiscarded *CD1*, CtxDevSound, DPLOCAL);

   119 	DP_IN();

   120 	TInt err = KErrNone;

   121 	err = iAdaptationBufferSource->BuffersDiscarded();

   122 	DP0_RET(err, "%d");

   123 	}

   125 // ---------------------------------------------------------------------------

   126 // CLogicalBufferSource::IsTypeOf

   127 // ---------------------------------------------------------------------------

   128 //

   129 TBool CLogicalBufferSource::IsTypeOf(TUid aTypeId) const

   130 	{

   131 	DP_CONTEXT(CLogicalBufferSource::IsTypeOf *CD1*, CtxDevSound, DPLOCAL);

   132 	DP_IN();

   133 	TBool result = EFalse;

   134 	if (iType == aTypeId)

   135 		{

   136 		result = ETrue;

   137 		}

   138 	DP0_RET(result, "%d");

   139 	}

   141 // ---------------------------------------------------------------------------

   142 // CLogicalBufferSource::Interface

   143 // ---------------------------------------------------------------------------

   144 //

   145 TAny* CLogicalBufferSource::Interface(TUid aType)

   146 	{

   147 	DP_CONTEXT(CLogicalBufferSource::Interface *CD1*, CtxDevSound, DPLOCAL);

   148 	DP_IN();

   149 	TAny* interface = NULL;

   150 	if(aType==KUidMmfBufferSource)

   151 		{

   152 		interface = static_cast<MMMFBufferSource*>(this);

   153 		}

   154 	DP0_RET(interface, "%d");

   155 	}

   157 // From MMMFAudioDataSupplier

   158 // ---------------------------------------------------------------------------

   159 // CLogicalBufferSource::BufferToBeFilled

   160 // ---------------------------------------------------------------------------

   161 //

   162 void CLogicalBufferSource::BufferToBeFilled(MMMFBufferSource* /*aSource*/, CMMFBuffer* aBuffer)

   163 	{

   164 	iSupplier->BufferToBeFilled(this, aBuffer);

   165 	}

   167 // ---------------------------------------------------------------------------

   168 // CLogicalBufferSource::DiscardBuffers

   169 // ---------------------------------------------------------------------------

   170 //

   171 void CLogicalBufferSource::DiscardBuffers(MMMFBufferSource* /*aSource*/)

   172 	{

   173 	iSupplier->DiscardBuffers(this);

   174 	}

   176 // end of file

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--