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 /* AndroidEffectSend implementation */
18
19 #include "sles_allinclusive.h"
20
21
IAndroidEffectSend_EnableEffectSend(SLAndroidEffectSendItf self,SLInterfaceID effectImplementationId,SLboolean enable,SLmillibel initialLevel)22 static SLresult IAndroidEffectSend_EnableEffectSend(SLAndroidEffectSendItf self,
23 SLInterfaceID effectImplementationId, SLboolean enable, SLmillibel initialLevel)
24 {
25 SL_ENTER_INTERFACE
26
27 //if (!((SL_MILLIBEL_MIN <= initialLevel) && (initialLevel <= 0))) {
28 // comparison (SL_MILLIBEL_MIN <= initialLevel) is always true due to range of SLmillibel
29 if (!(initialLevel <= 0)) {
30 result = SL_RESULT_PARAMETER_INVALID;
31 } else {
32 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
33 interface_lock_exclusive(thiz);
34 // is SLAndroidEffectSendItf on an AudioPlayer?
35 CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
36 (CAudioPlayer *) thiz->mThis : NULL;
37 if (NULL == ap) {
38 SL_LOGE("invalid interface: not attached to an AudioPlayer");
39 result = SL_RESULT_PARAMETER_INVALID;
40 } else {
41 // the initial send level set here is the total energy on the aux bus,
42 // so it must take into account the player volume level
43 result = android_fxSend_attachToAux(ap, effectImplementationId, enable,
44 initialLevel + ap->mVolume.mLevel);
45 if (SL_RESULT_SUCCESS == result) {
46 // there currently is support for only one send bus, so there is a single send
47 // level and a single enable flag
48 thiz->mSendLevel = initialLevel;
49 thiz->mEnabled = enable;
50 }
51 }
52 interface_unlock_exclusive(thiz);
53 }
54
55 SL_LEAVE_INTERFACE
56 }
57
58
IAndroidEffectSend_IsEnabled(SLAndroidEffectSendItf self,SLInterfaceID effectImplementationId,SLboolean * pEnable)59 static SLresult IAndroidEffectSend_IsEnabled(SLAndroidEffectSendItf self,
60 SLInterfaceID effectImplementationId, SLboolean *pEnable)
61 {
62 SL_ENTER_INTERFACE
63
64 if (NULL == pEnable) {
65 result = SL_RESULT_PARAMETER_INVALID;
66 } else {
67 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
68 interface_lock_shared(thiz);
69 // there currently is support for only one send bus, so there is a single enable flag
70 SLboolean enable = thiz->mEnabled;
71 interface_unlock_shared(thiz);
72 *pEnable = enable;
73 result = SL_RESULT_SUCCESS;
74 }
75
76 SL_LEAVE_INTERFACE
77 }
78
79
IAndroidEffectSend_SetDirectLevel(SLAndroidEffectSendItf self,SLmillibel directLevel)80 static SLresult IAndroidEffectSend_SetDirectLevel(SLAndroidEffectSendItf self,
81 SLmillibel directLevel)
82 {
83 SL_ENTER_INTERFACE
84
85 //if (!((SL_MILLIBEL_MIN <= directLevel) && (directLevel <= 0))) {
86 // comparison (SL_MILLIBEL_MIN <= directLevel) is always true due to range of SLmillibel
87 if (!(directLevel <= 0)) {
88 result = SL_RESULT_PARAMETER_INVALID;
89 } else {
90 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
91 interface_lock_exclusive(thiz);
92 CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
93 (CAudioPlayer *) thiz->mThis : NULL;
94 if (NULL != ap) {
95 SLmillibel oldDirectLevel = ap->mDirectLevel;
96 if (oldDirectLevel != directLevel) {
97 ap->mDirectLevel = directLevel;
98 ap->mAmplFromDirectLevel = sles_to_android_amplification(directLevel);
99 interface_unlock_exclusive_attributes(thiz, ATTR_GAIN);
100 } else {
101 interface_unlock_exclusive(thiz);
102 }
103 result = SL_RESULT_SUCCESS;
104 } else {
105 interface_unlock_exclusive(thiz);
106 SL_LOGE("invalid interface: not attached to an AudioPlayer");
107 result = SL_RESULT_PARAMETER_INVALID;
108 }
109 }
110
111 SL_LEAVE_INTERFACE
112 }
113
114
IAndroidEffectSend_GetDirectLevel(SLAndroidEffectSendItf self,SLmillibel * pDirectLevel)115 static SLresult IAndroidEffectSend_GetDirectLevel(SLAndroidEffectSendItf self,
116 SLmillibel *pDirectLevel)
117 {
118 SL_ENTER_INTERFACE
119
120 if (NULL == pDirectLevel) {
121 result = SL_RESULT_PARAMETER_INVALID;
122 } else {
123 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
124 interface_lock_shared(thiz);
125 CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
126 (CAudioPlayer *) thiz->mThis : NULL;
127 if (NULL != ap) {
128 *pDirectLevel = ap->mDirectLevel;
129 result = SL_RESULT_SUCCESS;
130 } else {
131 SL_LOGE("invalid interface: not attached to an AudioPlayer");
132 result = SL_RESULT_PARAMETER_INVALID;
133 }
134 interface_unlock_shared(thiz);
135 }
136
137 SL_LEAVE_INTERFACE
138 }
139
140
IAndroidEffectSend_SetSendLevel(SLAndroidEffectSendItf self,SLInterfaceID effectImplementationId,SLmillibel sendLevel)141 static SLresult IAndroidEffectSend_SetSendLevel(SLAndroidEffectSendItf self,
142 SLInterfaceID effectImplementationId, SLmillibel sendLevel)
143 {
144 SL_ENTER_INTERFACE
145
146 //if (!((SL_MILLIBEL_MIN <= sendLevel) && (sendLevel <= 0))) {
147 // comparison (SL_MILLIBEL_MIN <= sendLevel) is always true due to range of SLmillibel
148 if (!(sendLevel <= 0)) {
149 result = SL_RESULT_PARAMETER_INVALID;
150 } else {
151 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
152 interface_lock_exclusive(thiz);
153 // is SLAndroidEffectSendItf on an AudioPlayer?
154 CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
155 (CAudioPlayer *) thiz->mThis : NULL;
156 if (NULL == ap) {
157 SL_LOGE("invalid interface: not attached to an AudioPlayer");
158 result = SL_RESULT_PARAMETER_INVALID;
159 } else {
160 COutputMix *outputMix = CAudioPlayer_GetOutputMix(ap);
161 if (android_genericFx_hasEffect(&outputMix->mAndroidEffect, effectImplementationId)) {
162 // the send level set here is the total energy on the aux bus, so it must take
163 // into account the player volume level
164 result = android_fxSend_setSendLevel(ap, sendLevel + ap->mVolume.mLevel);
165 } else {
166 SL_LOGE("trying to send to an effect not on this AudioPlayer's OutputMix");
167 result = SL_RESULT_PARAMETER_INVALID;
168 }
169 if (SL_RESULT_SUCCESS == result) {
170 // there currently is support for only one send bus, so there is a single send
171 // level
172 thiz->mSendLevel = sendLevel;
173 }
174 }
175 interface_unlock_exclusive(thiz);
176 }
177
178 SL_LEAVE_INTERFACE
179 }
180
181
IAndroidEffectSend_GetSendLevel(SLAndroidEffectSendItf self,SLInterfaceID effectImplementationId,SLmillibel * pSendLevel)182 static SLresult IAndroidEffectSend_GetSendLevel(SLAndroidEffectSendItf self,
183 SLInterfaceID effectImplementationId, SLmillibel *pSendLevel)
184 {
185 SL_ENTER_INTERFACE
186
187 if (NULL == pSendLevel) {
188 result = SL_RESULT_PARAMETER_INVALID;
189 } else {
190 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
191 interface_lock_exclusive(thiz);
192 // is SLAndroidEffectSendItf on an AudioPlayer?
193 CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
194 (CAudioPlayer *) thiz->mThis : NULL;
195 if (NULL == ap) {
196 SL_LOGE("invalid interface: not attached to an AudioPlayer");
197 result = SL_RESULT_PARAMETER_INVALID;
198 } else {
199 COutputMix *outputMix = CAudioPlayer_GetOutputMix(ap);
200 if (android_genericFx_hasEffect(&outputMix->mAndroidEffect, effectImplementationId)) {
201 result = SL_RESULT_SUCCESS;
202 } else {
203 SL_LOGE("trying to retrieve send level on an effect not on this AudioPlayer's \
204 OutputMix");
205 result = SL_RESULT_PARAMETER_INVALID;
206 }
207 if (SL_RESULT_SUCCESS == result) {
208 // there currently is support for only one send bus, so there is a single send
209 // level
210 *pSendLevel = thiz->mSendLevel;
211 }
212 }
213 interface_unlock_exclusive(thiz);
214 }
215
216 SL_LEAVE_INTERFACE
217 }
218
219
220 static const struct SLAndroidEffectSendItf_ IAndroidEffectSend_Itf = {
221 IAndroidEffectSend_EnableEffectSend,
222 IAndroidEffectSend_IsEnabled,
223 IAndroidEffectSend_SetDirectLevel,
224 IAndroidEffectSend_GetDirectLevel,
225 IAndroidEffectSend_SetSendLevel,
226 IAndroidEffectSend_GetSendLevel
227 };
228
IAndroidEffectSend_init(void * self)229 void IAndroidEffectSend_init(void *self)
230 {
231 IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
232 thiz->mItf = &IAndroidEffectSend_Itf;
233 thiz->mEnabled = SL_BOOLEAN_FALSE;
234 thiz->mSendLevel = SL_MILLIBEL_MIN;
235 }
236