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/* Android Effect implementation */
18
19#include "sles_allinclusive.h"
20
21#include <system/audio.h>
22
23static SLresult IAndroidEffect_CreateEffect(SLAndroidEffectItf self,
24        SLInterfaceID effectImplementationId) {
25
26    SL_ENTER_INTERFACE
27
28    IAndroidEffect *thiz = (IAndroidEffect *) self;
29    if (SL_OBJECTID_AUDIOPLAYER == IObjectToObjectID(thiz->mThis)) {
30        CAudioPlayer *ap = (CAudioPlayer *)thiz->mThis;
31        if (ap->mAudioTrack != 0) {
32            result = android_genericFx_createEffect(thiz, effectImplementationId, ap->mSessionId);
33        } else {
34            result = SL_RESULT_RESOURCE_ERROR;
35        }
36    } else if (SL_OBJECTID_OUTPUTMIX == IObjectToObjectID(thiz->mThis)) {
37        result = android_genericFx_createEffect(thiz, effectImplementationId,
38                AUDIO_SESSION_OUTPUT_MIX);
39    } else {
40        // the interface itself is invalid because it is not attached to an AudioPlayer or
41        // an OutputMix
42        result = SL_RESULT_PARAMETER_INVALID;
43    }
44
45    SL_LEAVE_INTERFACE
46}
47
48
49static SLresult IAndroidEffect_ReleaseEffect(SLAndroidEffectItf self,
50        SLInterfaceID effectImplementationId) {
51
52    SL_ENTER_INTERFACE
53
54    IAndroidEffect *thiz = (IAndroidEffect *) self;
55    result = android_genericFx_releaseEffect(thiz, effectImplementationId);
56
57    SL_LEAVE_INTERFACE
58}
59
60
61static SLresult IAndroidEffect_SetEnabled(SLAndroidEffectItf self,
62        SLInterfaceID effectImplementationId, SLboolean enabled) {
63
64    SL_ENTER_INTERFACE
65
66    IAndroidEffect *thiz = (IAndroidEffect *) self;
67    result = android_genericFx_setEnabled(thiz, effectImplementationId, enabled);
68
69    SL_LEAVE_INTERFACE
70}
71
72
73static SLresult IAndroidEffect_IsEnabled(SLAndroidEffectItf self,
74        SLInterfaceID effectImplementationId, SLboolean * pEnabled) {
75
76    SL_ENTER_INTERFACE
77
78    IAndroidEffect *thiz = (IAndroidEffect *) self;
79    result = android_genericFx_isEnabled(thiz, effectImplementationId, pEnabled);
80
81    SL_LEAVE_INTERFACE
82}
83
84
85static SLresult IAndroidEffect_SendCommand(SLAndroidEffectItf self,
86        SLInterfaceID effectImplementationId, SLuint32 command, SLuint32 commandSize,
87        void* pCommand, SLuint32 *replySize, void *pReply) {
88
89    SL_ENTER_INTERFACE
90
91    IAndroidEffect *thiz = (IAndroidEffect *) self;
92    result = android_genericFx_sendCommand(thiz, effectImplementationId, command, commandSize,
93            pCommand, replySize, pReply);
94
95    SL_LEAVE_INTERFACE
96}
97
98
99static const struct SLAndroidEffectItf_ IAndroidEffect_Itf = {
100        IAndroidEffect_CreateEffect,
101        IAndroidEffect_ReleaseEffect,
102        IAndroidEffect_SetEnabled,
103        IAndroidEffect_IsEnabled,
104        IAndroidEffect_SendCommand
105};
106
107void IAndroidEffect_init(void *self)
108{
109    IAndroidEffect *thiz = (IAndroidEffect *) self;
110    thiz->mItf = &IAndroidEffect_Itf;
111    thiz->mEffects = new android::KeyedVector<SLuint32, android::AudioEffect* >();
112}
113
114void IAndroidEffect_deinit(void *self)
115{
116    IAndroidEffect *thiz = (IAndroidEffect *) self;
117    if (NULL != thiz->mEffects) {
118        if (!thiz->mEffects->isEmpty()) {
119            for (size_t i = 0 ; i < thiz->mEffects->size() ; i++) {
120                delete thiz->mEffects->valueAt(i);
121            }
122            thiz->mEffects->clear();
123        }
124        delete thiz->mEffects;
125        thiz->mEffects = NULL;
126    }
127}
128