sl@0: /* sl@0: * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). sl@0: * All rights reserved. sl@0: * This component and the accompanying materials are made available sl@0: * under the terms of "Eclipse Public License v1.0" sl@0: * which accompanies this distribution, and is available sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html". sl@0: * sl@0: * Initial Contributors: sl@0: * Nokia Corporation - initial contribution. sl@0: * sl@0: * Contributors: sl@0: * sl@0: * Description: Interface definition for BT SBC Encoder configuration. sl@0: * sl@0: */ sl@0: sl@0: sl@0: #ifndef CSBCENCODERINTFC_H sl@0: #define CSBCENCODERINTFC_H sl@0: sl@0: // INCLUDES sl@0: #include sl@0: sl@0: // CONSTANTS sl@0: const TUid KUidSbcEncoderIntfc = {0x10207B24}; sl@0: sl@0: // MACROS sl@0: sl@0: // DATA TYPES sl@0: sl@0: // FUNCTION PROTOTYPES sl@0: sl@0: // FORWARD DECLARATIONS sl@0: class CMMFDevSound; sl@0: class CMdaAudioInputStream; sl@0: sl@0: // CLASS DECLARATION sl@0: sl@0: /** sl@0: * Interface for configuring the SBC encoder. sl@0: * Used to configure the SBC encoder operating modes. sl@0: * This abstract class just provides the static NewL function for the creation sl@0: * of the proxy, and also defines the custom interface to be implemented by the sl@0: * proxy and the real custom interface implementation. sl@0: * sl@0: * @lib SbcEncoderIntfc.lib sl@0: * @since S60 3.0 sl@0: */ sl@0: class CSbcEncoderIntfc : public CBase sl@0: { sl@0: public: // Data sl@0: sl@0: // Supported channel modes sl@0: enum TSbcChannelMode sl@0: { sl@0: ESbcChannelMono, sl@0: ESbcChannelDual, sl@0: ESbcChannelStereo, sl@0: ESbcChannelJointStereo sl@0: }; sl@0: sl@0: // Supported allocation methods sl@0: enum TSbcAllocationMethod sl@0: { sl@0: ESbcAllocationSNR, sl@0: ESbcAllocationLoudness sl@0: }; sl@0: sl@0: public: // Constructors and destructor sl@0: sl@0: /** sl@0: * Creates the interface. sl@0: */ sl@0: IMPORT_C static CSbcEncoderIntfc* NewL(CMMFDevSound& aDevSound); sl@0: sl@0: /** sl@0: * Creates the interface. sl@0: */ sl@0: IMPORT_C static CSbcEncoderIntfc* NewL(CMdaAudioInputStream& aUtility); sl@0: sl@0: public: // New functions sl@0: /** sl@0: * Retrieves the sampling frequencies supported by the encoder. sl@0: * @since S60 3.0 sl@0: * @param aSupportedSamplingFrequencies array returning the supported sl@0: * frequencies. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSupportedSamplingFrequencies( sl@0: RArray& aSupportedSamplingFrequencies) = 0; sl@0: sl@0: /** sl@0: * Retrieves the channel configurations supported by the encoder. sl@0: * @since S60 3.0 sl@0: * @param aSupportedChannelModes array returning the supported sl@0: * frequencies. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSupportedChannelModes( sl@0: RArray& sl@0: aSupportedChannelModes) = 0; sl@0: sl@0: /** sl@0: * Retrieves array of supported block numbers by the encoder. sl@0: * @since S60 3.0 sl@0: * @param aNumBlocks array returning block numbers. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSupportedNumOfBlocks( sl@0: RArray& aSupportedNumOfBlocks) = 0; sl@0: sl@0: /** sl@0: * Retrieves the number of subbands supported by the encoder. sl@0: * @since S60 3.0 sl@0: * @param aSupportedNumOfSubbands array returning the supported number sl@0: * of subbands. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSupportedNumOfSubbands( sl@0: RArray& aSupportedNumOfSubbands) = 0; sl@0: sl@0: /** sl@0: * Retrieves the allocation methods supported by the encoder. sl@0: * @since S60 3.0 sl@0: * @param aSupportedAllocationMethods array returning the supported sl@0: * allocation methods. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSupportedAllocationMethods( sl@0: RArray& sl@0: aSupportedAllocationMethods) = 0; sl@0: sl@0: /** sl@0: * Retrieves the supported bitpool range by the encoder. sl@0: * @since S60 3.0 sl@0: * @param aMinSupportedBitpoolSize returning the min bitpool size. sl@0: * @param aMaxSupportedBitpoolSize returning the max bitpool size. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSupportedBitpoolRange( sl@0: TUint& aMinSupportedBitpoolSize, sl@0: TUint& aMaxSupportedBitpoolSize) = 0; sl@0: sl@0: /** sl@0: * Sets the sampling frequency for encoding. sl@0: * @since S60 3.0 sl@0: * @param aSamplingFrequency requested encoding sampling frequency. sl@0: * @return void sl@0: */ sl@0: IMPORT_C virtual void SetSamplingFrequency( sl@0: TUint aSamplingFrequency) = 0; sl@0: sl@0: /** sl@0: * Retrieves the current encode sampling frequency. sl@0: * @since S60 3.0 sl@0: * @param aSamplingFrequency returns current encode sampling frequency. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetSamplingFrequency( sl@0: TUint& aSamplingFrequency) = 0; sl@0: sl@0: /** sl@0: * Sets the channel mode for encoding. sl@0: * @since S60 3.0 sl@0: * @param aChannelMode requested encoding channel mode. sl@0: * @return void sl@0: */ sl@0: IMPORT_C virtual void SetChannelMode( sl@0: TSbcChannelMode aChannelMode) = 0; sl@0: sl@0: /** sl@0: * Retrieves the current encode channel mode. sl@0: * @since S60 3.0 sl@0: * @param aChannelMode returns current encode channel mode. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetChannelMode( sl@0: TSbcChannelMode& aChannelMode) = 0; sl@0: sl@0: /** sl@0: * Sets the number of subbands for encoding. sl@0: * @since S60 3.0 sl@0: * @param aNumofSubbands requested encoding number of subbands. sl@0: * @return void sl@0: */ sl@0: IMPORT_C virtual void SetNumOfSubbands(TUint aNumOfSubbands) = 0; sl@0: sl@0: /** sl@0: * Retrieves the current encode number of subbands. sl@0: * @since S60 3.0 sl@0: * @param aNumOfSubbands returns current encode number of subbands. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetNumOfSubbands(TUint& aNumOfSubbands) = 0; sl@0: sl@0: /** sl@0: * Sets the number of blocks for encoding. sl@0: * @since S60 3.0 sl@0: * @param aNumOfBlocks requested encoding number of blocks. sl@0: * @return void sl@0: */ sl@0: IMPORT_C virtual void SetNumOfBlocks(TUint aNumOfBlocks) = 0; sl@0: sl@0: /** sl@0: * Retrieves the current encode number of blocks. sl@0: * @since S60 3.0 sl@0: * @param aNumOfBlocks returns current encode number of blocks. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetNumOfBlocks(TUint& aNumOfBlocks) = 0; sl@0: sl@0: /** sl@0: * Sets the allocation method for encoding. sl@0: * @since S60 3.0 sl@0: * @param aAllocationMethod requested encoding allocation method. sl@0: * @return void sl@0: */ sl@0: IMPORT_C virtual void SetAllocationMethod( sl@0: TSbcAllocationMethod aAllocationMethod) = 0; sl@0: sl@0: /** sl@0: * Retrieves the current encode allocation method. sl@0: * @since S60 3.0 sl@0: * @param aAllocationMethod returns current encode allocation method. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetAllocationMethod( sl@0: TSbcAllocationMethod& aAllocationMethod) = 0; sl@0: sl@0: /** sl@0: * Sets the bitpool size for encoding. sl@0: * @since S60 3.0 sl@0: * @param aBitpoolSize requested encoding number of blocks. sl@0: * @return void sl@0: */ sl@0: IMPORT_C virtual void SetBitpoolSize(TUint aBitpoolSize) = 0; sl@0: sl@0: /** sl@0: * Retrieves the current encode bitpool size. sl@0: * @since S60 3.0 sl@0: * @param aBitpoolSize returns current encode bitpool size. sl@0: * @return TInt status sl@0: */ sl@0: IMPORT_C virtual TInt GetBitpoolSize(TUint& aBitpoolSize) = 0; sl@0: sl@0: /** sl@0: * Applies configuration to the encoder. sl@0: * @since S60 3.0 sl@0: * @return TInt - status sl@0: */ sl@0: IMPORT_C virtual TInt ApplyConfig() = 0; sl@0: sl@0: }; sl@0: sl@0: #endif // CSBCENCODERINTFC_H sl@0: sl@0: // End of File