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1 |
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2 // MmfStdGlblAudioEffect.h |
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3 |
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4 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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5 // All rights reserved. |
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6 // This component and the accompanying materials are made available |
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7 // under the terms of "Eclipse Public License v1.0" |
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8 // which accompanies this distribution, and is available |
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9 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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10 // |
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11 // Initial Contributors: |
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12 // Nokia Corporation - initial contribution. |
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13 // |
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14 // Contributors: |
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15 // |
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16 // Description: |
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17 // |
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18 |
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19 #ifndef MMFSTDGLBLAUDIOEFFECT_H |
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20 #define MMFSTDGLBLAUDIOEFFECT_H |
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21 |
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22 #include <mmf/common/mmfglblaudioeffect.h> |
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23 |
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24 /** |
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25 @publishedPartner |
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26 @released |
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27 @file |
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28 */ |
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29 |
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30 /** |
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31 Global Equaliser effect |
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32 This provides access to the global equaliser |
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33 */ |
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34 class CMmfGlobalEqEffect : public CMmfGlobalAudioEffect |
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35 { |
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36 public: |
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37 /** |
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38 Factory function |
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39 @param Observer to use - can be NULL |
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40 @return Freshly created object |
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41 @leave KErrNotSupported |
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42 There is no low-level implementation for this class |
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43 */ |
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44 IMPORT_C static CMmfGlobalEqEffect* NewL(MMmfGlobalAudioEffectObserver* aObserver); |
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45 |
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46 /** |
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47 Maximum number of bands an equaliser can support |
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48 */ |
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49 static const TInt KMaxBands = 10; |
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50 |
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51 /** |
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52 Struct to form basis of package buffer to ExtractValuesL() and SetByValuesL() |
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53 */ |
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54 class TValues |
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55 { |
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56 public: |
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57 TInt iNumBands; //*< Bands on current equaliser |
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58 TReal iCurrentValue[KMaxBands]; //*< current setting |
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59 TInt iNominalFreq[KMaxBands]; //*< Nominal freq for each band, used in dialogs |
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60 TReal iMin; //*< Min possible value on each band |
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61 TReal iMax; //*< Max possible value on each band |
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62 TVolumeValue iValueType; //*< How to interpet iCurrentValue, iMin and iMax |
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63 }; |
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64 |
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65 private: |
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66 CMmfGlobalEqEffect(); |
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67 void ConstructL(MMmfGlobalAudioEffectObserver* aObserver); |
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68 }; |
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69 |
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70 |
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71 /** |
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72 Global Megaboost effect |
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73 This provides access to the global megaboost. |
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74 Note there is currently no TValues struct defined for this - client apps must use |
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75 the preset interface. |
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76 */ |
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77 class CMmfGlobalMegaEffect : public CMmfGlobalAudioEffect |
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78 { |
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79 public: |
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80 /** |
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81 Factory function |
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82 @param Observer to use - can be NULL |
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83 @return Freshly created object |
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84 @leave KErrNotSupported |
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85 There is no low-level implementation for this class |
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86 */ |
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87 IMPORT_C static CMmfGlobalMegaEffect* NewL(MMmfGlobalAudioEffectObserver* aObserver); |
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88 |
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89 private: |
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90 CMmfGlobalMegaEffect(); |
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91 void ConstructL(MMmfGlobalAudioEffectObserver* aObserver); |
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92 }; |
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93 |
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94 |
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95 |
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96 #endif // MMFSTDGLBLAUDIOEFFECT_H |