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1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /**************************************************************************************************
18  * Equalizer functions
19  ****************************/
20 extern void android_eq_init(int sessionId, IEqualizer* ieq);
21 
22 extern android::status_t android_eq_setParam(android::sp<android::AudioEffect> pFx,
23         int32_t param, int32_t param2, void *pValue);
24 
25 extern android::status_t android_eq_getParam(android::sp<android::AudioEffect> pFx,
26         int32_t param, int32_t param2, void *pValue);
27 
28 /**************************************************************************************************
29  * BassBoost functions
30  ****************************/
31 extern void android_bb_init(int sessionId, IBassBoost* ibb);
32 
33 extern android::status_t android_bb_setParam(android::sp<android::AudioEffect> pFx,
34         int32_t param, void *pValue);
35 
36 extern android::status_t android_bb_getParam(android::sp<android::AudioEffect> pFx,
37         int32_t param, void *pValue);
38 
39 /**************************************************************************************************
40  * Virtualizer functions
41  ****************************/
42 extern void android_virt_init(int sessionId, IVirtualizer* ivi);
43 
44 extern android::status_t android_virt_setParam(android::sp<android::AudioEffect> pFx,
45         int32_t param, void *pValue);
46 
47 extern android::status_t android_virt_getParam(android::sp<android::AudioEffect> pFx,
48         int32_t param, void *pValue);
49 
50 /**************************************************************************************************
51  * PresetReverb functions
52  ****************************/
53 extern void android_prev_init(IPresetReverb* ipr);
54 
55 extern android::status_t android_prev_setPreset(android::sp<android::AudioEffect> pFx,
56         uint16_t preset);
57 
58 extern android::status_t android_prev_getPreset(android::sp<android::AudioEffect> pFx,
59         uint16_t* preset);
60 
61 /**************************************************************************************************
62  * EnvironmentalReverb functions
63  ****************************/
64 extern void android_erev_init(IEnvironmentalReverb* ier);
65 
66 extern android::status_t android_erev_setParam(android::sp<android::AudioEffect> pFx,
67         int32_t param, void *pValue);
68 
69 extern android::status_t android_erev_getParam(android::sp<android::AudioEffect> pFx,
70         int32_t param, void *pValue);
71 
72 /**************************************************************************************************
73  * Generic Effect functions
74  ****************************/
75 extern SLresult android_genericFx_queryNumEffects(SLuint32 *pNumSupportedAudioEffects);
76 
77 extern SLresult android_genericFx_queryEffect(SLuint32 index, effect_descriptor_t* pDescriptor);
78 
79 extern SLresult android_genericFx_createEffect(IAndroidEffect* iae, SLInterfaceID pUuid,
80         int sessionId);
81 
82 extern SLresult android_genericFx_releaseEffect(IAndroidEffect* iae, SLInterfaceID pUuid);
83 
84 extern SLresult android_genericFx_setEnabled(IAndroidEffect* iae, SLInterfaceID pUuid,
85         SLboolean enabled);
86 
87 extern SLresult android_genericFx_isEnabled(IAndroidEffect* iae, SLInterfaceID pUuid,
88         SLboolean *pEnabled);
89 
90 extern SLresult android_genericFx_sendCommand(IAndroidEffect* iae, SLInterfaceID pUuid,
91         SLuint32 command, SLuint32 commandSize, void* pCommandData,
92         SLuint32 *replySize, void *pReplyData);
93 
94 extern bool android_genericFx_hasEffect(IAndroidEffect* iae, SLInterfaceID pUuid);
95 
96 
97 /**************************************************************************************************
98  * EffectSend functions
99  ****************************/
100 /**
101  * sendLevel is the total energy going to the send bus. This implies that the volume attenuation
102  *   should be combined with the send level for the aux level to follow volume changes.
103  */
104 extern android::status_t android_fxSend_attach(CAudioPlayer* ap, bool attach,
105         android::sp<android::AudioEffect> pFx, SLmillibel sendLevel);
106 
107 /**
108  * sendLevel is the total energy going to the send bus. This implies that the volume attenuation
109  *   should be combined with the send level for the aux level to follow volume changes.
110  *   This one is used by Android-specific APIs, not portable Khronos APIs.
111  */
112 extern SLresult android_fxSend_attachToAux(CAudioPlayer* ap, SLInterfaceID pUuid,
113         SLboolean attach, SLmillibel sendLevel);
114 
115 /**
116  * sendLevel is the total energy going to the send bus. This implies that the volume attenuation
117  *   should be combined with the send level for the aux level to follow volume changes.
118  */
119 extern android::status_t android_fxSend_setSendLevel(CAudioPlayer* ap, SLmillibel sendLevel);
120 
121 /**************************************************************************************************
122  * Effect-agnostic functions
123  ****************************/
124 extern android::status_t android_fx_setParam(android::sp<android::AudioEffect> pFx,
125         int32_t param, uint32_t paramSizeMax, void *pValue, uint32_t valueSize);
126 
127 extern android::status_t android_fx_getParam(android::sp<android::AudioEffect> pFx,
128         int32_t param, uint32_t paramSizeMax, void *pValue, uint32_t valueSize);
129 
130 extern SLresult android_fx_statusToResult(android::status_t status);
131 
132 extern bool android_fx_initEffectObj(int sessionId, android::sp<android::AudioEffect>& effect,
133         const effect_uuid_t *type);
134 
135 extern bool android_fx_initEffectDescriptor(const SLInterfaceID effectId,
136         effect_descriptor_t* fxDescrLoc);
137