devsound/devsoundpluginsupport/src/CustomInterfaces/eaacplusdecoderci.h
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     1 // Copyright (c) 2007-2009 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 EAACPLUSDECODERCI_H
       
    17 #define EAACPLUSDECODERCI_H
       
    18 
       
    19 #include <e32base.h>
       
    20 #include <mmf/common/mmfipc.h>
       
    21 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
       
    22 #include <mmf/common/mmfipcserver.h>
       
    23 #endif
       
    24 #include <mmf/server/mmfdevsoundcustominterface.h>
       
    25 #include <mmf/server/mmfdevsoundcustomcommands.h>
       
    26 #include <mmf/server/devsoundstandardcustominterfaces.h>
       
    27 #include <mmf/plugin/mmfdevsoundcustominterface.hrh>
       
    28 
       
    29 /**
       
    30  Enum to represent the methods called by this custom interface
       
    31  @internalComponent
       
    32  @prototype
       
    33  @file
       
    34  */
       
    35 enum TMMFDevSoundCIEAacPlusDecoderCommands
       
    36 	{
       
    37 	EMMFDevSoundCIEAacPlusDecoderSetInputSamplingFrequency = 0,
       
    38 	EMMFDevSoundCIEAacPlusDecoderSetAudioObjectType,
       
    39 	EMMFDevSoundCIEAacPlusDecoderSetNumOfChannels,
       
    40 	EMMFDevSoundCIEAacPlusDecoderSetSbr,
       
    41 	EMMFDevSoundCIEAacPlusDecoderSetDownSampledMode,
       
    42 	EMMFDevSoundCIEAacPlusDecoderApplyConfig,
       
    43 	EMMFDevSoundCIEAacPlusDecoderGetInputSamplingFrequency,
       
    44 	EMMFDevSoundCIEAacPlusDecoderGetAudioObjectType,
       
    45 	EMMFDevSoundCIEAacPlusDecoderGetNumOfChannels,
       
    46 	EMMFDevSoundCIEAacPlusDecoderGetSbr,
       
    47 	EMMFDevSoundCIEAacPlusDecoderGetDownSampledMode
       
    48 	};
       
    49 
       
    50 
       
    51 /**
       
    52  CMMFEAacPlusDecoderMux - implementation of the EAAC+ Decoder custom interface pair
       
    53  @internalComponent
       
    54  @prototype
       
    55  @file
       
    56  */
       
    57 class CMMFEAacPlusDecoderMux : public CBase,
       
    58 							   public MMMFDevSoundCustomInterfaceMuxPlugin,
       
    59 							   public MEAacPlusDecoderIntfc  
       
    60 	{
       
    61 public:
       
    62 
       
    63 	// from MMMFDevSoundCustomInterfaceMuxPlugin
       
    64 	/**
       
    65 	Attempt to open the interface.
       
    66 	@param aInterfaceId
       
    67 		   The UID of the interface to open.
       
    68 	@return One of the system wide error codes
       
    69 	*/
       
    70 	virtual TInt OpenInterface(TUid aInterfaceId);
       
    71 
       
    72 	/**
       
    73 	Equivalent to destructor.  Called to destroy plugin.
       
    74 	*/
       
    75 	virtual void Release();
       
    76 	
       
    77 	/**
       
    78 	Pass destructor key.
       
    79 	Called on construction so plugin takes responsibility to call REComSession::DestroyedImplementation()
       
    80 	@param aDestructorKey
       
    81 	       The Uid returned by REComSession::CreateImplementationL() or similar
       
    82 	*/
       
    83 	virtual void PassDestructorKey(TUid aDestructorKey);
       
    84 	
       
    85 	/**
       
    86 	Complete construction.
       
    87 	Pass additional values from the construction phase, used subsequently by the plugin.
       
    88 	@param aCustomUtility
       
    89 	       The custom interface utility used by the plugin to communicate with the remote
       
    90 		   server side DeMux plugin
       
    91 	@leave This method may leave with one of the system-wide error codes.
       
    92 	*/
       
    93 	virtual void CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility);
       
    94 
       
    95 	/** 
       
    96 	Return the custom interface
       
    97 	@param aInterfaceId
       
    98 		   The UID of the required custom interface
       
    99 	@return The custom interface supported by this plugin
       
   100 	*/
       
   101 	virtual TAny* CustomInterface(TUid aInterfaceId);
       
   102 
       
   103 	/**
       
   104 	Instantiate a CI Mux class
       
   105 	@leave This method may leave with one of the system-wide error codes.
       
   106 	@return The pointer to the new class, cast to the Mux plugin mixin
       
   107 	*/
       
   108 	static MMMFDevSoundCustomInterfaceMuxPlugin* NewL();
       
   109 
       
   110 	// from MEAacPlusDecoderIntfc
       
   111 	/** 
       
   112 	@see MEAacPlusDecoderIntfc
       
   113 	*/
       
   114 	virtual void SetInputSamplingFrequency(TUint aInputSamplingFrequency);
       
   115 	
       
   116 	/** 
       
   117 	@see MEAacPlusDecoderIntfc
       
   118 	*/
       
   119 	virtual void SetAudioObjectType(MEAacPlusDecoderIntfc::TAudioObjectType aAudioObjectType);
       
   120 	
       
   121 	/** 
       
   122 	@see MEAacPlusDecoderIntfc
       
   123 	*/
       
   124 	virtual void SetNumOfChannels(TUint aNumOfChannels);
       
   125 	
       
   126 	/** 
       
   127 	@see MEAacPlusDecoderIntfc
       
   128 	*/
       
   129 	virtual void SetSbr(TBool aSbrEnabled);
       
   130 	
       
   131 	/** 
       
   132 	@see MEAacPlusDecoderIntfc
       
   133 	*/
       
   134 	virtual void SetDownSampledMode(TBool aDsmEnabled);
       
   135 	
       
   136 	/** 
       
   137 	@see MEAacPlusDecoderIntfc
       
   138 	*/
       
   139 	virtual TInt ApplyConfig();
       
   140 	
       
   141 	/** 
       
   142 	@see MEAacPlusDecoderIntfc
       
   143 	*/
       
   144 	virtual TInt GetInputSamplingFrequency ( TUint& aInputSamplingFrequency );
       
   145 	
       
   146 	/** 
       
   147 	@see MEAacPlusDecoderIntfc
       
   148 	*/
       
   149 	virtual TInt GetAudioObjectType(MEAacPlusDecoderIntfc::TAudioObjectType& aAudioObjectType);
       
   150 	
       
   151 	/** 
       
   152 	@see MEAacPlusDecoderIntfc
       
   153 	*/
       
   154 	virtual TInt GetNumOfChannels ( TUint& aNumOfChannels );
       
   155 	
       
   156 	/** 
       
   157 	@see MEAacPlusDecoderIntfc
       
   158 	*/
       
   159 	virtual TInt GetSbr (TBool& aSbrEnabled);
       
   160 	
       
   161 	/** 
       
   162 	@see MEAacPlusDecoderIntfc
       
   163 	*/
       
   164 	virtual TInt GetDownSampledMode (TBool& aDsmEnabled);
       
   165 
       
   166 protected:
       
   167 	CMMFEAacPlusDecoderMux();
       
   168 	~CMMFEAacPlusDecoderMux();
       
   169 
       
   170 protected:
       
   171 	TUid iDestructorKey;
       
   172 	TInt iRemoteHandle;
       
   173 	MMMFDevSoundCustomInterfaceMuxUtility* iUtility;
       
   174 	};
       
   175 
       
   176 /**
       
   177  CMMFEAacPlusDecoderDeMux - DeMux side of pair
       
   178  @internalComponent
       
   179  @prototype
       
   180  @file
       
   181  */
       
   182 class CMMFEAacPlusDecoderDeMux : public CBase, public MMMFDevSoundCustomInterfaceDeMuxPlugin
       
   183 	{
       
   184 public:
       
   185 	/**
       
   186 	Instantiate a CMMFEAacPlusDecoderDeMux class
       
   187 	@leave This method may leave with one of the system-wide error codes.
       
   188 	@return A pointer to the new class cast to the DeMux plugin mixin
       
   189 	*/
       
   190 	static MMMFDevSoundCustomInterfaceDeMuxPlugin* NewL();
       
   191 		
       
   192 	/**
       
   193 	Attempt to open the interface.
       
   194 	@param aInterfaceId
       
   195 		   The UID of the interface to open.
       
   196 	@return A handle to the remote plugin
       
   197 	*/
       
   198 	virtual TInt OpenInterface(TUid aInterfaceId);
       
   199 
       
   200 	/**
       
   201 	Equivalent to destructor.  Called to destroy plugin.
       
   202 	*/
       
   203 	virtual void Release();
       
   204 	/**
       
   205 	Pass destructor key.
       
   206 	Called on construction so plugin takes responsibility to call REComSession::DestroyedImplementation()
       
   207 	@param aDestructorKey
       
   208 	       The Uid returned by REComSession::CreateImplementationL() or similar
       
   209 	*/
       
   210 	virtual void PassDestructorKey(TUid aDestructorKey);
       
   211 	
       
   212 	/**
       
   213 	Set the target of the custom interface call
       
   214 	@param aTarget
       
   215 	       The DevSound to call the custom interface on.
       
   216 	*/
       
   217 	virtual void SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget);
       
   218 	
       
   219 	/**
       
   220 	Complete construction.
       
   221 	@param aUtility
       
   222 	       The DeMux utility to use
       
   223 	@leave This method may leave with one of the system-wide error codes.
       
   224 	*/
       
   225 	virtual void CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aUtility);
       
   226 
       
   227 	/**
       
   228 	Refresh the current custom interface connections
       
   229 	@leave This method may leave with one of the system-wide error codes.
       
   230 	*/
       
   231 	virtual void RefreshL();
       
   232 
       
   233 	// from MMMFDevSoundCustomInterfaceDeMuxPlugin
       
   234 	/**
       
   235 	Open the slave
       
   236 	@param aInterface
       
   237 		   The UID of the requested interface
       
   238 	@param aPackageBuf
       
   239 		   A package of data that can be supplied for initialisation
       
   240 	@leave This method may leave with one of the system-wide error codes.
       
   241 	@return The result of the operation
       
   242 	*/
       
   243 	virtual TInt DoOpenSlaveL(TUid aInterface, const TDesC8& aPackageBuf);
       
   244 
       
   245 	/** 
       
   246 	Close the slave
       
   247 	@param aHandle
       
   248 		   The handle of the slave plugin
       
   249 	@leave This method may leave with one of the system-wide error codes.
       
   250 	*/
       
   251 	virtual void DoCloseSlaveL(TInt aHandle);
       
   252 
       
   253 	// original RMessage is supplied so that remote demux plugin can extract necessary details
       
   254 	// using DeMux utility
       
   255 
       
   256 	/**
       
   257 	Relay the synchronous custom command onto the slave
       
   258 	@param aMessage
       
   259 		   The IPC message to be sent to the slave
       
   260 	@leave This method may leave with one of the system-wide error codes.
       
   261 	@return The result of the operation
       
   262 	*/
       
   263 	virtual TInt DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage);
       
   264 
       
   265 	/**
       
   266 	Relay the synchronous custom command onto the slave and obtain a result
       
   267 	@param aMessage
       
   268 		   The IPC message to be sent to the slave
       
   269 	@leave This method may leave with one of the system-wide error codes.
       
   270 	@return The result of the operation
       
   271 	*/
       
   272 	virtual TInt DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage);
       
   273 
       
   274 	/**
       
   275 	Relay an asynchronous command onto the slave
       
   276 	@param aMessage
       
   277 		   The IPC message to be sent to the slave
       
   278 	@leave This method may leave with one of the system-wide error codes.
       
   279 	*/
       
   280 	virtual void DoSendSlaveAsyncCommandL(const RMmfIpcMessage& aMessage);
       
   281 
       
   282 	/**
       
   283 	Relay an asynchronous command onto the slave and obtain a result
       
   284 	@param aMessage
       
   285 		   The IPC message to be sent to the slave@param aMessage
       
   286 	@leave This method may leave with one of the system-wide error codes.
       
   287 	*/
       
   288 	virtual void DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& aMessage);
       
   289 
       
   290 protected:
       
   291 	~CMMFEAacPlusDecoderDeMux();
       
   292 	CMMFEAacPlusDecoderDeMux();
       
   293 
       
   294 	// mirrors MEAacPlusDecoderIntfc methods.
       
   295 	void DoSetInputSamplingFrequency(TUint aInputSamplingFrequency);
       
   296 	void DoSetAudioObjectType(MEAacPlusDecoderIntfc::TAudioObjectType aAudioObjectType);
       
   297 	void DoSetNumOfChannels(TUint aNumOfChannels);
       
   298 	void DoSetSbr(TBool aSbrEnabled);
       
   299 	void DoSetDownSampledMode(TBool aDsmEnabled);
       
   300 	TInt DoApplyConfig();
       
   301 	TInt DoGetInputSamplingFrequency(TUint& aInputSamplingFrequency);
       
   302 	TInt DoGetAudioObjectType(MEAacPlusDecoderIntfc::TAudioObjectType& aAudioObjectType);
       
   303 	TInt DoGetNumOfChannels(TUint& aNumOfChannels);
       
   304 	TInt DoGetSbr(TBool& aSbrEnabled);
       
   305 	TInt DoGetDownSampledMode(TBool& aDsmEnabled);
       
   306 	
       
   307 protected:
       
   308 	MMMFDevSoundCustomInterfaceDeMuxUtility* iUtility;
       
   309 	MMMFDevSoundCustomInterfaceTarget* iTarget;
       
   310 	TUid iDestructorKey;
       
   311 	MEAacPlusDecoderIntfc* iInterfaceEAacPlusDecoder;
       
   312 	};
       
   313 
       
   314 #endif