--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/src/Client/Audio/mmfclientaudioinputstream.h Thu Oct 07 22:34:12 2010 +0100
@@ -0,0 +1,123 @@
+// Copyright (c) 2002-2009 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:
+//
+
+
+#ifndef MMFCLIENTAUDIOINPUTSTREAM_H
+#define MMFCLIENTAUDIOINPUTSTREAM_H
+
+#include <mmf/server/sounddevice.h>
+#include <mmf/common/mmfstandardcustomcommands.h>
+#include <mda/common/audio.h>
+
+template<class T>
+class CMMFFifo;
+class CMMFBuffer;
+class MMdaAudioInputStreamCallback;
+class TMdaPackage;
+
+class CMMFMdaAudioInputStream;
+NONSHARABLE_CLASS( CMMFMdaAudioInputStream ): public CBase,
+ public MDevSoundObserver
+ {
+ enum TIsOpenState
+ {
+ EIsNotOpen,
+ EIsOpening, // Open() called but not responded to
+ EIsOpen, // Open callback made and successfully opened
+ };
+public:
+ static CMMFMdaAudioInputStream* NewL(MMdaAudioInputStreamCallback& aCallback);
+ static CMMFMdaAudioInputStream* NewL(MMdaAudioInputStreamCallback& aCallback, TInt aPriority, TInt aPref);
+ ~CMMFMdaAudioInputStream();
+
+ void SetAudioPropertiesL(TInt aSampleRate, TInt aChannels);
+ void Open(TMdaPackage* aSettings);
+ void SetGain(TInt aGain);
+ TInt Gain() const;
+ TInt MaxGain() const;
+ void SetBalanceL(TInt aBalance = KMMFBalanceCenter);
+ TInt GetBalanceL() const;
+ void SetPriority(TInt aPriority, TInt aPref);
+ void ReadL(TDes8& aData);
+ void Stop();
+ const TTimeIntervalMicroSeconds& Position();
+ TInt GetBytes();
+ void SetDataTypeL(TFourCC aAudioType);
+ TFourCC DataType() const;
+ void GetSupportedBitRatesL(RArray<TInt>& aSupportedBitRates);
+ TInt BitRateL() const;
+ void SetBitRateL(TInt aBitRate);
+ TAny* CustomInterface(TUid aInterfaceId);
+ void SetSingleBufferMode(TBool aSingleMode);
+ void RequestStop();
+ void ShutDown();
+
+public:
+ // from MDevSoundObserver
+ void InitializeComplete(TInt aError);
+ void ToneFinished(TInt aError);
+ void BufferToBeFilled(CMMFBuffer* aBuffer);
+ void PlayError(TInt aError);
+ void BufferToBeEmptied(CMMFBuffer* aBuffer);
+ void RecordError(TInt aError);
+ void ConvertError(TInt aError);
+ void DeviceMessage(TUid aMessageType, const TDesC8& aMsg);
+
+private:
+ void RealSetAudioPropertiesL(TInt aSampleRate, TInt aChannels);
+
+private:
+ // class to allow asynchronous user callbacks
+ class CActiveCallback : public CActive
+ {
+ public:
+ CActiveCallback(MMdaAudioInputStreamCallback& aCallback);
+ ~CActiveCallback();
+ void Signal(const TInt aReason);
+ protected:
+ void RunL();
+ void DoCancel();
+ private:
+ MMdaAudioInputStreamCallback& iCallback;
+ };
+private:
+ enum TState { EStopped, ERecording, EStopping };
+private:
+ CMMFMdaAudioInputStream(MMdaAudioInputStreamCallback& aCallback);
+ void ConstructL(TInt aPriority, TInt aPref);
+ TInt Read(TDes8& aData);
+private:
+ MMdaAudioInputStreamCallback& iCallback;
+ TTimeIntervalMicroSeconds iPosition;
+ CMMFDevSound* iDevSound;
+ CMMFFifo<TDes8>* iFifo;
+ TBool iSingleBuffer;
+ TPtr8 iStorageItem;
+ TPtr8 iBufferPtr;
+ TInt iState;
+ CActiveCallback* iActiveCallback;
+ TInt iBytesRecorded;//tracks bytes supplied by devsound
+ TFourCC iDataTypeCode;
+ TIsOpenState iIsOpenState;
+ TMdaAudioDataSettings iSettings;
+ TBool iAudioDataStored;
+ // only for testing
+ friend class CTestStepUnitMMFAudClient;
+ TBool iInitCallFrmSetDataType;//Flag to indicate that InitializeL is called from SetDataTypeL.
+ TInt iInitializeState;
+ CActiveSchedulerWait* iActiveSchedulerWait;
+ };
+
+#endif