|
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 "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Audio effect engine |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef _MPXAUDIOEFFECTENGINE_H_ |
|
20 #define _MPXAUDIOEFFECTENGINE_H_ |
|
21 #define _LOUDNESS |
|
22 //#undef _LOUDNESS |
|
23 //#define _BASSBOOST |
|
24 #undef _BASSBOOST |
|
25 #define _REVERB |
|
26 //#undef _REVERB |
|
27 #define _STEREO |
|
28 |
|
29 |
|
30 // INCLUDES |
|
31 const TInt KAudioEffectsID = 0x101FFC02; |
|
32 const TInt KEqualizerID = 0x101FFC76; |
|
33 |
|
34 // System Includes |
|
35 #include <e32base.h> |
|
36 #include <mdaaudiosampleplayer.h> |
|
37 |
|
38 #include <mpxplaybackobserver.h> |
|
39 #include "mpxaudioeffectproperties.h" |
|
40 |
|
41 // FORWARD DECLARATIONS |
|
42 class CMdaAudioPlayerUtility; |
|
43 class CEnvironmentalReverbUtility; |
|
44 class CStereoWidening; |
|
45 class CBassBoost; |
|
46 class CLoudness; |
|
47 class CAudioEqualizerUtility; |
|
48 |
|
49 class MMPXPlaybackUtility; |
|
50 class TMPXPlaybackMessage; |
|
51 |
|
52 /** |
|
53 * Audio effect engine Class |
|
54 * |
|
55 * @lib mpxaudioeffectengine.dll |
|
56 * @since Series 60 3.0 |
|
57 */ |
|
58 class CMPXAudioEffectEngine : public CBase |
|
59 { |
|
60 public: |
|
61 |
|
62 /** |
|
63 * Two-phased constructor |
|
64 * |
|
65 * @param aPlayer audio player utility |
|
66 * @return object of constructed |
|
67 */ |
|
68 IMPORT_C static CMPXAudioEffectEngine* NewL( |
|
69 CMdaAudioPlayerUtility* aPlayer); |
|
70 |
|
71 /** |
|
72 * Destructor |
|
73 */ |
|
74 IMPORT_C ~CMPXAudioEffectEngine(); |
|
75 |
|
76 /** |
|
77 * Set balance |
|
78 */ |
|
79 IMPORT_C void SetBalanceL(); |
|
80 |
|
81 /** |
|
82 * Set bass boost |
|
83 */ |
|
84 IMPORT_C void SetBassBoostL(); |
|
85 |
|
86 /** |
|
87 * Set stero widening |
|
88 */ |
|
89 IMPORT_C void SetStereoWideningL(); |
|
90 |
|
91 /** |
|
92 * Set reverberation |
|
93 */ |
|
94 IMPORT_C void SetReverberationL(); |
|
95 |
|
96 /** |
|
97 * Set loundness |
|
98 */ |
|
99 IMPORT_C void SetLoudnessL(); |
|
100 |
|
101 /** |
|
102 * Sets the equalizer preset |
|
103 * This function will check MPX cenrep for preset id |
|
104 */ |
|
105 IMPORT_C void SetEqualizerL(); |
|
106 |
|
107 /** |
|
108 * Creates the audio effects |
|
109 */ |
|
110 IMPORT_C void CreateAudioEffectsL(); |
|
111 |
|
112 /** |
|
113 * Destroy audio effect objects |
|
114 */ |
|
115 IMPORT_C void DestroyAudioEffect(); |
|
116 |
|
117 private: |
|
118 /** |
|
119 * C++ constructor |
|
120 * |
|
121 * @param aPlayer audio player utility |
|
122 */ |
|
123 CMPXAudioEffectEngine(CMdaAudioPlayerUtility* aPlayer); |
|
124 |
|
125 /** |
|
126 * Second phase constructor |
|
127 */ |
|
128 void ConstructL(); |
|
129 |
|
130 /** |
|
131 * Handle playback state changed. |
|
132 * |
|
133 * @param aState New Playback state |
|
134 */ |
|
135 void DoHandleStateChangedL( |
|
136 TMPXPlaybackState aState ); |
|
137 |
|
138 private: //Data |
|
139 |
|
140 CMPXAudioEffectProperties* iProp; |
|
141 |
|
142 private: |
|
143 CMdaAudioPlayerUtility* iMdaPlayer; // Not owned |
|
144 |
|
145 CEnvironmentalReverbUtility* iReverbEffect; |
|
146 CStereoWidening* iStereoEffect; |
|
147 CBassBoost* iBassBoostEffect; |
|
148 CLoudness* iLoudnessEffect; |
|
149 CAudioEqualizerUtility* iEqualizerEffect; |
|
150 }; |
|
151 |
|
152 #endif // _MPXAUDIOEFFECTENGINE_H_ |
|
153 |
|
154 // End of File |