| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
| sl@0 | 1 |
/* |
| sl@0 | 2 |
* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
| sl@0 | 3 |
* All rights reserved. |
| sl@0 | 4 |
* This component and the accompanying materials are made available |
| sl@0 | 5 |
* under the terms of "Eclipse Public License v1.0" |
| sl@0 | 6 |
* which accompanies this distribution, and is available |
| sl@0 | 7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
| sl@0 | 8 |
* |
| sl@0 | 9 |
* Initial Contributors: |
| sl@0 | 10 |
* Nokia Corporation - initial contribution. |
| sl@0 | 11 |
* |
| sl@0 | 12 |
* Contributors: |
| sl@0 | 13 |
* |
| sl@0 | 14 |
* Description: |
| sl@0 | 15 |
* Name : logicalbuffersink.h |
| sl@0 | 16 |
* Part of : ACL Logical Layer |
| sl@0 | 17 |
* |
| sl@0 | 18 |
*/ |
| sl@0 | 19 |
|
| sl@0 | 20 |
|
| sl@0 | 21 |
|
| sl@0 | 22 |
#ifndef LOGICALBUFFERSINK_H |
| sl@0 | 23 |
#define LOGICALBUFFERSINK_H |
| sl@0 | 24 |
|
| sl@0 | 25 |
#include <e32base.h> |
| sl@0 | 26 |
#include <f32file.h> |
| sl@0 | 27 |
#include <a3f/a3f_trace_utils.h> |
| sl@0 | 28 |
#include <a3f/mbuffersink.h> |
| sl@0 | 29 |
#include <a3f/maudiodataconsumer.h> |
| sl@0 | 30 |
|
| sl@0 | 31 |
#include "audioprocessingunit.h" |
| sl@0 | 32 |
|
| sl@0 | 33 |
#include <a3f/maudioprocessingunitobserver.h> |
| sl@0 | 34 |
|
| sl@0 | 35 |
|
| sl@0 | 36 |
class MLogicalSettingObserver; |
| sl@0 | 37 |
|
| sl@0 | 38 |
/** |
| sl@0 | 39 |
This is the implementation of CAudioSink API. |
| sl@0 | 40 |
|
| sl@0 | 41 |
@see CAudioComponent |
| sl@0 | 42 |
*/ |
| sl@0 | 43 |
NONSHARABLE_CLASS(CLogicalBufferSink) : public CAudioProcessingUnit, |
| sl@0 | 44 |
public MMMFBufferSink, |
| sl@0 | 45 |
public MMMFAudioDataConsumer |
| sl@0 | 46 |
{
|
| sl@0 | 47 |
friend class CAudioContext; |
| sl@0 | 48 |
friend class CLogicalAudioStream; |
| sl@0 | 49 |
|
| sl@0 | 50 |
public: |
| sl@0 | 51 |
|
| sl@0 | 52 |
/** |
| sl@0 | 53 |
Destructor. |
| sl@0 | 54 |
|
| sl@0 | 55 |
Deletes all objects and releases all resource owned by this instance. |
| sl@0 | 56 |
*/ |
| sl@0 | 57 |
virtual ~CLogicalBufferSink(); |
| sl@0 | 58 |
|
| sl@0 | 59 |
// from class MBufferSink |
| sl@0 | 60 |
TInt SetDataConsumer(MMMFAudioDataConsumer& aConsumer); |
| sl@0 | 61 |
TInt BufferEmptied(CMMFBuffer* aBuffer); |
| sl@0 | 62 |
TInt BuffersDiscarded(); |
| sl@0 | 63 |
|
| sl@0 | 64 |
// from class CAudioProcessingUnit |
| sl@0 | 65 |
virtual TBool IsTypeOf(TUid aTypeId) const; |
| sl@0 | 66 |
virtual TAny* Interface(TUid aType); |
| sl@0 | 67 |
|
| sl@0 | 68 |
// from MMMFAudioDataConsumer |
| sl@0 | 69 |
void BufferToBeEmptied(MMMFBufferSink* aSink, CMMFBuffer* aBuffer); |
| sl@0 | 70 |
void DiscardBuffers(MMMFBufferSink* aSink); |
| sl@0 | 71 |
/** |
| sl@0 | 72 |
Create a new instance. |
| sl@0 | 73 |
|
| sl@0 | 74 |
@return CBufferSink* a pointer to the created instance. |
| sl@0 | 75 |
*/ |
| sl@0 | 76 |
static CLogicalBufferSink* NewL(TAny* aParameters); |
| sl@0 | 77 |
|
| sl@0 | 78 |
private: |
| sl@0 | 79 |
|
| sl@0 | 80 |
void ConstructL(); |
| sl@0 | 81 |
|
| sl@0 | 82 |
CLogicalBufferSink(TAny* aParameters); |
| sl@0 | 83 |
|
| sl@0 | 84 |
protected: |
| sl@0 | 85 |
// The adaptation buffer sink |
| sl@0 | 86 |
MMMFBufferSink* iAdaptationBufferSink; |
| sl@0 | 87 |
|
| sl@0 | 88 |
private: |
| sl@0 | 89 |
// The client which requests data |
| sl@0 | 90 |
MMMFAudioDataConsumer *iConsumer; |
| sl@0 | 91 |
|
| sl@0 | 92 |
CMMFBuffer* iBuffer; |
| sl@0 | 93 |
}; |
| sl@0 | 94 |
|
| sl@0 | 95 |
#endif // LOGICALBUFFERSINK_H |