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 /* PresetReverb implementation */
18
19 #include "sles_allinclusive.h"
20
21 #if defined(ANDROID)
22 /**
23 * returns true if this interface is not associated with an initialized PresetReverb effect
24 */
NO_PRESETREVERB(IPresetReverb * ipr)25 static inline bool NO_PRESETREVERB(IPresetReverb* ipr) {
26 return (ipr->mPresetReverbEffect == 0);
27 }
28 #endif
29
IPresetReverb_SetPreset(SLPresetReverbItf self,SLuint16 preset)30 static SLresult IPresetReverb_SetPreset(SLPresetReverbItf self, SLuint16 preset)
31 {
32 SL_ENTER_INTERFACE
33
34 IPresetReverb *thiz = (IPresetReverb *) self;
35 switch (preset) {
36 case SL_REVERBPRESET_NONE:
37 case SL_REVERBPRESET_SMALLROOM:
38 case SL_REVERBPRESET_MEDIUMROOM:
39 case SL_REVERBPRESET_LARGEROOM:
40 case SL_REVERBPRESET_MEDIUMHALL:
41 case SL_REVERBPRESET_LARGEHALL:
42 case SL_REVERBPRESET_PLATE:
43 interface_lock_exclusive(thiz);
44 thiz->mPreset = preset;
45 #if !defined(ANDROID)
46 result = SL_RESULT_SUCCESS;
47 #else
48 if (NO_PRESETREVERB(thiz)) {
49 result = SL_RESULT_CONTROL_LOST;
50 } else {
51 android::status_t status = android_prev_setPreset(thiz->mPresetReverbEffect, preset);
52 result = android_fx_statusToResult(status);
53 }
54 #endif
55 interface_unlock_exclusive(thiz);
56 break;
57 default:
58 result = SL_RESULT_PARAMETER_INVALID;
59 break;
60 }
61
62 SL_LEAVE_INTERFACE
63 }
64
IPresetReverb_GetPreset(SLPresetReverbItf self,SLuint16 * pPreset)65 static SLresult IPresetReverb_GetPreset(SLPresetReverbItf self, SLuint16 *pPreset)
66 {
67 SL_ENTER_INTERFACE
68
69 if (NULL == pPreset) {
70 result = SL_RESULT_PARAMETER_INVALID;
71 } else {
72 IPresetReverb *thiz = (IPresetReverb *) self;
73 interface_lock_shared(thiz);
74 SLuint16 preset = SL_REVERBPRESET_NONE;
75 #if 1 // !defined(ANDROID)
76 preset = thiz->mPreset;
77 result = SL_RESULT_SUCCESS;
78 #else
79 if (NO_PRESETREVERB(thiz)) {
80 preset = thiz->mPreset;
81 result = SL_RESULT_CONTROL_LOST;
82 } else {
83 android::status_t status = android_prev_getPreset(thiz->mPresetReverbEffect, &preset);
84 result = android_fx_statusToResult(status);
85 }
86 // OpenSL ES 1.0.1 spec and conformance test do not permit SL_RESULT_CONTROL_LOST
87 if (SL_RESULT_CONTROL_LOST == result) {
88 result = SL_RESULT_SUCCESS;
89 }
90 #endif
91 interface_unlock_shared(thiz);
92 *pPreset = preset;
93 }
94
95 SL_LEAVE_INTERFACE
96 }
97
98 static const struct SLPresetReverbItf_ IPresetReverb_Itf = {
99 IPresetReverb_SetPreset,
100 IPresetReverb_GetPreset
101 };
102
IPresetReverb_init(void * self)103 void IPresetReverb_init(void *self)
104 {
105 IPresetReverb *thiz = (IPresetReverb *) self;
106 thiz->mItf = &IPresetReverb_Itf;
107 thiz->mPreset = SL_REVERBPRESET_NONE;
108 #if defined(ANDROID)
109 memset(&thiz->mPresetReverbDescriptor, 0, sizeof(effect_descriptor_t));
110 // placement new (explicit constructor)
111 (void) new (&thiz->mPresetReverbEffect) android::sp<android::AudioEffect>();
112 #endif
113 }
114
IPresetReverb_deinit(void * self)115 void IPresetReverb_deinit(void *self)
116 {
117 #if defined(ANDROID)
118 IPresetReverb *thiz = (IPresetReverb *) self;
119 // explicit destructor
120 thiz->mPresetReverbEffect.~sp();
121 #endif
122 }
123
IPresetReverb_Expose(void * self)124 bool IPresetReverb_Expose(void *self)
125 {
126 #if defined(ANDROID)
127 IPresetReverb *thiz = (IPresetReverb *) self;
128 if (!android_fx_initEffectDescriptor(SL_IID_PRESETREVERB, &thiz->mPresetReverbDescriptor)) {
129 SL_LOGE("PresetReverb initialization failed.");
130 return false;
131 }
132 #endif
133 return true;
134 }
135