epoc32/include/environmentalreverbbase.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 /*
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:  This is the definition of the Environmental Reverb effect class.
    15 *
    16 */
    17 
    18 
    19 #ifndef CENVIRONMENTALREVERB_H
    20 #define CENVIRONMENTALREVERB_H
    21 
    22 // INCLUDES
    23 
    24 #include <e32base.h>
    25 #include <AudioEffectBase.h>
    26 #include <EnvironmentalReverbData.h>
    27 #include <MCustomInterface.h>
    28 
    29 const TUid KUidEnvironmentalReverbEffect = {0x10203837};
    30 
    31 // FORWARD DELCARATION
    32 class CMdaAudioConvertUtility;
    33 class CMdaAudioPlayerUtility;
    34 class CMdaAudioRecorderUtility;
    35 class CMdaAudioInputStream;
    36 class CMdaAudioOutputStream;
    37 class CMdaAudioToneUtility;
    38 class CCustomCommandUtility;
    39 class CCustomInterfaceUtility;
    40 class CMMFDevSound;
    41 class CMidiClientUtility;
    42 class CDrmPlayerUtility;
    43 class CVideoPlayerUtility;
    44 
    45 // CLASS DECLARATION
    46 
    47 /**
    48 *  This is the Environmental Reverb effect class for managing reverb settings.
    49 *
    50 *  @lib EnvironmentalReverbEffect.lib
    51 *  @since 3.0
    52 */
    53 
    54 class CEnvironmentalReverb : public CAudioEffect
    55     {
    56 
    57     public:     //New Functions
    58 
    59         /**
    60         * Factory function for creating the audio reverb object.
    61         * @since 3.0
    62         * @return pointer to CEnvironmentalReverb object
    63         */
    64         IMPORT_C static CEnvironmentalReverb* NewL();
    65 
    66         /**
    67         * Factory function for creating the audio reverb object.
    68         * @since 3.0
    69         * @param aUtility A reference to a convert utility
    70         * @return pointer to CEnvironmentalReverb object
    71         */
    72         IMPORT_C static CEnvironmentalReverb* NewL( CMdaAudioConvertUtility& aUtility );
    73 
    74         /**
    75         * Factory function for creating the audio reverb object.
    76         * @since 3.0
    77         * @param aUtility A reference to an audio input stream utility
    78         * @return pointer to CEnvironmentalReverb object
    79         */
    80         IMPORT_C static CEnvironmentalReverb* NewL( CMdaAudioInputStream& aUtility );
    81 
    82         /**
    83         * Factory function for creating the audio reverb object.
    84         * @since 3.0
    85         * @param aUtility A reference to an audio output stream utility
    86         * @return pointer to CEnvironmentalReverb object
    87         */
    88         IMPORT_C static CEnvironmentalReverb* NewL( CMdaAudioOutputStream& aUtility );
    89 
    90         /**
    91         * Factory function for creating the audio reverb object.
    92         * @since 3.0
    93         * @param aUtility A reference to an audio player utility
    94         * @return pointer to CEnvironmentalReverb object
    95         */
    96         IMPORT_C static CEnvironmentalReverb* NewL( CMdaAudioPlayerUtility& aUtility );
    97 
    98         /**
    99         * Factory function for creating the audio reverb object.
   100         * @since 3.0
   101         * @param aUtility A reference to an audio record utility
   102         * @param aRecordStream ETrue if the effect is to be applied to the recording,
   103         *                      EFalse if the effect is to be applied only to the playback
   104         * @return pointer to CEnvironmentalReverb object
   105         */
   106         IMPORT_C static CEnvironmentalReverb* NewL( CMdaAudioRecorderUtility& aUtility, TBool aRecordStream );
   107 
   108         /**
   109         * Factory function for creating the audio reverb object.
   110         * @since 3.0
   111         * @param aUtility A reference to an audio tone utility
   112         * @return pointer to CEnvironmentalReverb object
   113         */
   114         IMPORT_C static CEnvironmentalReverb* NewL( CMdaAudioToneUtility& aUtility );
   115 
   116         /**
   117         * Factory function for creating the audio reverb object.
   118         * @since 3.0
   119         * @param aDevSound A reference to a DevSound instance
   120         * @return pointer to CEnvironmentalReverb object
   121         */
   122         IMPORT_C static CEnvironmentalReverb* NewL( CMMFDevSound& aDevSound );
   123 
   124         /**
   125         * Factory function for creating the audio reverb object.
   126         * @since 3.0
   127         * @param aUtility A reference to a custom command utility
   128         * @return pointer to CEnvironmentalReverb object
   129         */
   130         IMPORT_C static CEnvironmentalReverb* NewL( CCustomCommandUtility* aUtility );
   131 
   132         /**
   133         * Factory function for creating the audio reverb object.
   134         * @since 3.0
   135         * @param aCustomInterface A reference to a custom interface
   136         * @return pointer to CEnvironmentalReverb object
   137         */
   138         IMPORT_C static CEnvironmentalReverb* NewL( MCustomInterface& aCustomInterface );
   139 
   140         /**
   141         * Factory function for creating the audio reverb object.
   142         * @since 3.0
   143         * @param aUtility A reference to a CMidiClientUtility object
   144         * @return pointer to CEnvironmentalReverb object
   145         */
   146         IMPORT_C static CEnvironmentalReverb* NewL( CMidiClientUtility& aUtility );
   147 
   148         /**
   149         * Factory function for creating the audio equalizer object.
   150         * @since 3.0
   151         * @param CDrmPlayerUtility A reference to a CDrmPlayerUtility object
   152         * @return pointer to CAudioEqualizer object
   153         */
   154         IMPORT_C static CEnvironmentalReverb* NewL( CDrmPlayerUtility& aUtility );
   155 
   156         /**
   157         * Factory function for creating the audio equalizer object.
   158         * @since 3.2
   159         * @param CVideoPlayerUtility A reference to a CVideoPlayerUtility object
   160         * @return pointer to CAudioEqualizer object
   161         */
   162         IMPORT_C static CEnvironmentalReverb* NewL( CVideoPlayerUtility& aUtility );
   163 
   164         /**
   165         *
   166         * Destructor
   167         */
   168         IMPORT_C virtual ~CEnvironmentalReverb();
   169 
   170         /**
   171         * Gets the decay HF Ratio in hundredths
   172         * @since 3.0
   173         * @return decay HF Ratio
   174         */
   175         IMPORT_C TUint32 DecayHFRatio() const;
   176 
   177         /**
   178         * Gets the reverb decay HF Ratio minimum and maximum in hundredths.
   179         * @since 3.0
   180         * @param aMin Minimum decay HF Ratio
   181         * @param aMax Maximum decay HF Ratio
   182         */
   183         IMPORT_C void DecayHFRatioRange(TUint32& aMin, TUint32& aMax);
   184 
   185         /**
   186         * Gets the decay time in milliseconds
   187         * @since 3.0
   188         * @return decay time
   189         */
   190         IMPORT_C TUint32 DecayTime() const;
   191 
   192         /**
   193         * Gets the allowable reverb decay time range in milliseconds.
   194         * @since 3.0
   195         * @param aMin Minimum decay time in milliseconds
   196         * @param aMax Maximum decay time in milliseconds
   197         */
   198         IMPORT_C void DecayTimeRange(TUint32& aMin, TUint32& aMax);
   199 
   200         /**
   201         * Gets the density current value as a percentage in hundredths
   202         * @since 3.0
   203         * @return density value
   204         */
   205         IMPORT_C TUint32 Density() const;
   206 
   207         /**
   208         * Gets the diffusion current value as a percentage in hundredths.
   209         * @since 3.0
   210         * @return diffusion value
   211         */
   212         IMPORT_C TUint32 Diffusion() const;
   213 
   214         /**
   215         * Gets the reverb reflections delay in ms.
   216         * @since 3.0
   217         * @return reverb reflections delay
   218         */
   219         IMPORT_C TUint32 ReflectionsDelay() const;
   220 
   221         /**
   222         * Gets the reverb reflections delay maximum in milliseconds.
   223         * @since 3.0
   224         * @return reverb reflections delay maximum
   225         */
   226         IMPORT_C TUint32 ReflectionsDelayMax() const;
   227 
   228         /**
   229         * Gets the reverb reflections level in mB
   230         * @since 3.0
   231         * @return Reverb reflections level
   232         */
   233         IMPORT_C TInt32 ReflectionsLevel() const;
   234 
   235         /**
   236         * Gets the reverb reflections level maximum and minimum in mB
   237         * @since 3.0
   238         * @param aMin Minimum reflections level
   239         * @param aMax Maximum reflections level
   240         */
   241         IMPORT_C void ReflectionLevelRange( TInt32& aMin, TInt32& aMax );
   242 
   243         /**
   244         * Gets the reverb delay in milliseconds
   245         * @since 3.0
   246         * @return reverb delay
   247         */
   248         IMPORT_C TUint32 ReverbDelay() const;
   249 
   250         /**
   251         * Gets the reverb delay maximum in milliseconds
   252         * @since 3.0
   253         * @return reverb delay maximum
   254         */
   255         IMPORT_C TUint32 ReverbDelayMax() const;
   256 
   257         /**
   258         * Gets the reverb current level in mB
   259         * @since 3.0
   260         * @return reverb current level
   261         */
   262         IMPORT_C TInt32 ReverbLevel() const;
   263 
   264         /**
   265         * Gets the reverb current level maximum and minimum in mB
   266         * @since 3.0
   267         * @param aMin Minimum current level
   268         * @param aMax Maximum current level
   269         * @return -
   270         */
   271         IMPORT_C void ReverbLevelRange( TInt32& aMin, TInt32& aMax );
   272 
   273         /**
   274         * Gets the room HF level current ratio
   275         * @since 3.0
   276         * @return room HF level ratio
   277         */
   278         IMPORT_C TInt32 RoomHFLevel() const;
   279 
   280         /**
   281         * Gets the room HF level maximum and minimum ratios
   282         * @since 3.0
   283         * @param aMin Minimum current room HF level
   284         * @param aMax Maximum current room HF level
   285         * @return -
   286         */
   287         IMPORT_C void RoomHFLevelRange( TInt32& aMin, TInt32& aMax );
   288 
   289         /**
   290         * Gets the room level current value in mB
   291         * @since 3.0
   292         * @return room level value
   293         */
   294         IMPORT_C TInt32 RoomLevel() const;
   295 
   296         /**
   297         * Gets the room level maximum and minimum in mB
   298         * @since 3.0
   299         * @param aMin Minimum current room level
   300         * @param aMax Maximum current room level
   301         * @return -
   302         */
   303         IMPORT_C void RoomLevelRange( TInt32& aMin, TInt32& aMax );
   304 
   305         /**
   306         * Sets the decay HF Ratio in hundredths
   307         * @since 3.0
   308         * @param aDecayHFRatio The decay high frequence ratio in hundredths
   309         * @return -
   310         */
   311         IMPORT_C void SetDecayHFRatioL( TUint32 aDecayHFRatio );
   312 
   313         /**
   314         * Sets the decay time in millisecond
   315         * @since 3.0
   316         * @param aDecayTime Decay time in ms
   317         */
   318         IMPORT_C void SetDecayTimeL( TUint32 aDecayTime );
   319 
   320         /**
   321         * Sets the density value as percentage in hundredths
   322         * @since 3.0
   323         * @param aDensity The density.
   324         */
   325         IMPORT_C void SetDensityL( TUint32 aDensity );
   326 
   327         /**
   328         * Sets the diffusion value as a percentage in hundredths
   329         * @since 3.0
   330         * @param aDiffusion The diffusion.
   331         */
   332         IMPORT_C void SetDiffusionL( TUint32 aDiffusion );
   333 
   334         /**
   335         * Sets the reverb reflections delay
   336         * @since 3.0
   337         * @param aRefectionsDelay The reflection delay in ms.
   338         */
   339         IMPORT_C void SetReflectionsDelayL( TUint32 aReflectionsDelay );
   340 
   341         /**
   342         * Sets the reverb reflections level in milli-dB
   343         * @since 3.0
   344         * @param aRefectionsLevel The reflection level in mB
   345         */
   346         IMPORT_C void SetReflectionsLevelL( TInt32 aReflectionsLevel );
   347 
   348         /**
   349         * Sets the reverb delay
   350         * @since 3.0
   351         * @param aReverbDelay The reverb delay in ms
   352         */
   353         IMPORT_C void SetReverbDelayL( TUint32 aReverbDelay );
   354 
   355         /**
   356         * Sets the reverb level
   357         * @since 3.0
   358         * @param aReverbLevel The reverb level in mB
   359         */
   360         IMPORT_C void SetReverbLevelL( TInt32 aReverbLevel );
   361 
   362         /**
   363         * Sets the room HF level ratio
   364         * @since 3.0
   365         * @param aRoomHFLevel The room high frequency ratio
   366         */
   367         IMPORT_C void SetRoomHFLevelL( TInt32 aRoomHFLevel );
   368 
   369         /**
   370         * Sets the room level value in milli-dB
   371         * @since 3.0
   372         * @param aRoomLevel The room level
   373         */
   374         IMPORT_C void SetRoomLevelL( TInt32 aRoomLevel );
   375 
   376         /**
   377         * Gets the total delay maximum in milliseconds
   378         * @since 3.0
   379         * @return reverb delay maximum
   380         */
   381         IMPORT_C TUint32 DelayMax() const;
   382 
   383     public: // functions from base class
   384 
   385         /*
   386         * From CAudioEffect
   387         * Get the unique identifier of the audio effect
   388         * @since 3.0
   389         * @return Unique identifier
   390         */
   391         IMPORT_C TUid Uid() const;
   392 
   393     protected:  // Functions from base classes
   394 
   395         /**
   396         * From CAudioEffect
   397         * Create a package of the effect data
   398         * @since 3.0
   399         * @return A descriptor containing the effect data.
   400         */
   401         IMPORT_C const TDesC8& DoEffectData();
   402 
   403         /**
   404         * From CAudioEffect
   405         * Internal function to unpack effect data
   406         * @since 3.0
   407         * @param aEffectDataBuffer Descriptor containing packed effect data
   408         * @return -
   409         */
   410         IMPORT_C void SetEffectData( const TDesC8& aEffectDataBuffer );
   411 
   412     protected:
   413 
   414         /**
   415         * Private C++ constructor for this class.
   416         * @since 3.0
   417         * @return   -
   418         */
   419         IMPORT_C CEnvironmentalReverb();
   420 
   421     protected:
   422 
   423         // Reverb data structure
   424         TEfEnvironmentalReverb iReverbData;
   425         // Data package sent to server
   426         TEfEnvReverbDataPckg iDataPckgTo;
   427         // Data package received from server
   428         TEfEnvReverbDataPckg iDataPckgFrom;
   429 
   430     protected:    // Friend classes
   431 
   432         friend class CEnvironmentalReverbMessageHandler;
   433         friend class CEnvironmentalReverbUtility;
   434 
   435     };
   436 
   437 #endif  // of CENVIRONMENTALREVERB_H
   438 
   439 // End of File