mmlibs/mmfw/src/Client/Audio/mmfclientaudioconverter.h
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     1 // Copyright (c) 2002-2009 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 #ifndef __MMFCLIENTAUDIOCONVERTER_H
       
    17 #define __MMFCLIENTAUDIOCONVERTER_H
       
    18 
       
    19 #include <e32std.h>
       
    20 #include <e32base.h>
       
    21 #include <mdaaudiosampleeditor.h>
       
    22 #include <mmf/server/mmffile.h>
       
    23 #include <mmf/server/mmfdes.h>
       
    24 #include <mmf/server/mmfurl.h>
       
    25 #include <mmf/common/mmfcontroller.h>
       
    26 #include "mmfclientutility.h"
       
    27 
       
    28 /**
       
    29 Concrete implementation of the CMdaAudioConvertUtility API.
       
    30 @see CMdaAudioConvertUtility
       
    31 */
       
    32 class CMMFMdaAudioConvertUtility;
       
    33 NONSHARABLE_CLASS( CMMFMdaAudioConvertUtility ): public CBase,
       
    34 								   				 public MMMFControllerEventMonitorObserver,
       
    35 								   				 public MMMFFindAndOpenControllerObserver
       
    36 	{
       
    37 friend class CMdaAudioConvertUtility;
       
    38 // for testing only
       
    39 friend class CTestStepUnitMMFAudClient;
       
    40 
       
    41 public:
       
    42 	~CMMFMdaAudioConvertUtility();
       
    43 
       
    44 	void OpenL(const TDesC& aPrimaryFile, const TDesC& aSecondaryFile);
       
    45 	// Open existing file and new/existing secondary
       
    46 	void OpenL(const TDesC& aPrimaryFile,
       
    47 			   TMdaClipLocation* aLocation,	// Normally file or descriptor
       
    48 			   TMdaClipFormat* aFormat,		// Data format
       
    49 			   TMdaPackage* aArg1 = NULL,	// Normally codec to use
       
    50 			   TMdaPackage* aArg2 = NULL);	// Normally audio settings
       
    51 
       
    52 	void OpenL(TMdaClipLocation* aPriLocation, 
       
    53 			   TMdaClipLocation* aSecLocation, 
       
    54 			   TMdaClipFormat* aPriFormat, 
       
    55 			   TMdaClipFormat* aSecFormat, 
       
    56 			   TMdaPackage* aPriArg1 = NULL, // Normally source codec to use
       
    57 			   TMdaPackage* aPriArg2 = NULL, // Normally source audio settings
       
    58 			   TMdaPackage* aSecArg1 = NULL, // Normally sink codec to use
       
    59 			   TMdaPackage* aSecArg2 = NULL);// Normally sink audio settings
       
    60 
       
    61 	// new controller based open
       
    62 	void OpenL(TMdaClipLocation* aPriLocation, 
       
    63 			   TMdaClipLocation* aSecLocation, 
       
    64 			   TUid aControllerUid, // the controller to use
       
    65 			   TUid aDestFormatUid,
       
    66 			   TFourCC aDestDataType);	
       
    67 	//from MMMFControllerEventMonitorObserver
       
    68 	void HandleEvent(const TMMFEvent& aEvent);
       
    69 
       
    70 	// from MMMFFindAndOpenControllerObserver 
       
    71 	virtual void MfaocComplete(
       
    72 		TInt& aError, 
       
    73 		RMMFController* aController, 
       
    74 		TUid aControllerUid, 
       
    75 		TMMFMessageDestination* aSourceHandle, 
       
    76 		TMMFMessageDestination* aSinkHandle);
       
    77 	
       
    78 	void UseSharedHeap();
       
    79 
       
    80 protected:
       
    81 	CMMFMdaAudioConvertUtility(CMdaAudioConvertUtility* aParent, MMdaObjectStateChangeObserver& aCallback);
       
    82 	void ConstructL(TInt aPriority, TInt aPref);
       
    83 private:
       
    84 
       
    85 	CMdaAudioClipUtility::TState State();
       
    86 	void Close();
       
    87 	void PlayL();		// N.B. ConvertL should be used in preference to PlayL
       
    88 	void RecordL();		// N.B. ConvertL should be used in preference to RecordL
       
    89 	void ConvertL();
       
    90 	void Stop();
       
    91 	void CropL(TBool aCropToEnd = ETrue);
       
    92 	void SetPosition(const TTimeIntervalMicroSeconds& aPosition);
       
    93 	const TTimeIntervalMicroSeconds& Position();
       
    94 	const TTimeIntervalMicroSeconds& RecordTimeAvailable();
       
    95 	const TTimeIntervalMicroSeconds& Duration();
       
    96 	void SetPlayWindow(const TTimeIntervalMicroSeconds& aStart, const TTimeIntervalMicroSeconds& aEnd);
       
    97 	void ClearPlayWindow();
       
    98 	void SetRepeats(TInt aRepeatNumberOfTimes, const TTimeIntervalMicroSeconds& aTrailingSilence);
       
    99 	void SetMaxWriteLength(TInt aMaxWriteLength /*= KMdaClipLocationMaxWriteLengthNone*/);
       
   100 	void SetPriority(TInt aPriority, TInt aPref);  
       
   101 	void CropL(const TTimeIntervalMicroSeconds & aCropBegin, 
       
   102 			   const TTimeIntervalMicroSeconds & aCropEnd);
       
   103 
       
   104 	// Codec support
       
   105 	void GetSupportedDestinationDataTypesL(RArray<TFourCC>& aSupportedDestinationDataTypes);
       
   106 	void SetSourceDataTypeL(TFourCC aDataType)	;
       
   107 	void SetDestinationDataTypeL(TFourCC aCodec);
       
   108 	TFourCC DestinationDataTypeL();
       
   109 	TFourCC SourceDataTypeL();
       
   110 
       
   111 	// Bit rate support	
       
   112 	void SetDestinationBitRateL(TUint aBitRate);
       
   113 	TUint DestinationBitRateL();
       
   114 	void GetSupportedConversionBitRatesL(RArray<TUint>& aSupportedBitRates);
       
   115 	TUint SourceBitRateL();
       
   116 
       
   117 	// Sample rate support
       
   118 	void SetSourceSampleRateL(TUint aSampleRate);
       
   119 	void SetDestinationSampleRateL(TUint aSampleRate);
       
   120 	TUint DestinationSampleRateL();
       
   121 	void GetSupportedConversionSampleRatesL(RArray<TUint>& aSupportedSampleRates);
       
   122 	TUint SourceSampleRateL();
       
   123 	
       
   124 	// Format support
       
   125 	void SetSourceFormatL(TUid aRecordFormat);
       
   126 	void SetDestinationFormatL(TUid aFormatUid);
       
   127 	TUid DestinationFormatL();
       
   128 	TUid SourceFormatL();
       
   129 
       
   130 	// Number of channels
       
   131 	void SetSourceNumberOfChannelsL(TUint aNumberOfChannels);
       
   132 	void SetDestinationNumberOfChannelsL(TUint aNumberOfChannels);
       
   133 	TUint DestinationNumberOfChannelsL();
       
   134 	void GetSupportedConversionNumberOfChannelsL(RArray<TUint>& aSupportedNumChannels);
       
   135 	TUint SourceNumberOfChannelsL();
       
   136 	
       
   137 	const CMMFControllerImplementationInformation& ControllerImplementationInformationL();
       
   138 	TInt CustomCommandSync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2, TDes8& aDataFrom);
       
   139 	TInt CustomCommandSync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2);
       
   140 	void CustomCommandAsync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2, TDes8& aDataFrom, TRequestStatus& aStatus);
       
   141 	void CustomCommandAsync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2, TRequestStatus& aStatus);
       
   142 
       
   143 	CMdaAudioConvertUtility* Parent() const;
       
   144 
       
   145 	void Reset();
       
   146 	TInt ControllerOpen();
       
   147 	void ConfigureSourceSinkL(TMdaClipLocation* aPriLocation, TMdaClipLocation* aSecLocation);
       
   148 
       
   149 	TInt SetThreadPriority(const TThreadPriority& aThreadPriority) const;
       
   150 private:
       
   151 	MMdaObjectStateChangeObserver& iCallback;
       
   152 	CMMFMdaObjectStateChangeObserverCallback* iAsyncCallback;
       
   153 
       
   154 	RMMFController iController;
       
   155 	CMMFControllerEventMonitor* iControllerEventMonitor;
       
   156 
       
   157 	// Source and sink handle info
       
   158 	TMMFMessageDestination iSourceHandle;
       
   159 	TMMFMessageDestination iSinkHandle;
       
   160 	// Custom commands
       
   161 	RMMFAudioControllerCustomCommands iAudioControllerCustomCommands;
       
   162 	RMMFAudioPlayControllerCustomCommands iAudioPlayControllerCustomCommands;
       
   163 	RMMFAudioRecordControllerCustomCommands iAudioRecordControllerCustomCommands;
       
   164 
       
   165 	TMMFPrioritySettings iPrioritySettings;
       
   166 
       
   167 	TTimeIntervalMicroSeconds iPosition;
       
   168 	TTimeIntervalMicroSeconds iPositionTemp;
       
   169 	TTimeIntervalMicroSeconds iDuration;
       
   170 	TTimeIntervalMicroSeconds iRecordTimeAvailable;
       
   171 
       
   172 	CMdaAudioClipUtility::TState iState;
       
   173 
       
   174 	// Convert window start and end times and whether it has been set
       
   175 	TTimeIntervalMicroSeconds iConvertStart;
       
   176 	TTimeIntervalMicroSeconds iConvertEnd;
       
   177 	TBool iConvertWindowSet;
       
   178 
       
   179 	// parent class for callback
       
   180 	CMdaAudioConvertUtility* iParent;
       
   181 	RArray<TUid> iMediaIds;
       
   182 
       
   183 	// keeping track of cropped clip duration
       
   184 	TBool iHasCropped;
       
   185 	TTimeIntervalMicroSeconds iCroppedDuration;
       
   186 	CMMFControllerImplementationInformation* iControllerImplementationInformation;
       
   187 	TUid iControllerUid;
       
   188 
       
   189 	// utility class to find and open a suitable controller asynchronously
       
   190 	CMMFFindAndOpenController* iFindAndOpenController;
       
   191 
       
   192 	TUid iSourceFormatUid;		// for SetSourceFormat()
       
   193 	TUid iSinkFormatUid;		// for SetSinkFormat()
       
   194 
       
   195 	TFourCC iSourceDataType;	// for SetSourceDataType()
       
   196 	TFourCC iSinkDataType;		// for SetSinkDataType()
       
   197 
       
   198 	TInt iSourceSampleRate;		// for SetSourceSampleRateL()
       
   199 	TInt iSinkSampleRate;		// for SetDestinationSampleRateL()
       
   200 
       
   201 	TInt iSourceChannels;		// for SetSourceNumberOfChannelsL()
       
   202 	TInt iSinkChannels;			// for SetDestinationNumberOfChannelsL()
       
   203 	};
       
   204 
       
   205 #endif