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 Capabilities implementation */
18
19 #include "sles_allinclusive.h"
20
21
IAndroidEffectCapabilities_QueryNumEffects(SLAndroidEffectCapabilitiesItf self,SLuint32 * pNumSupportedAudioEffects)22 static SLresult IAndroidEffectCapabilities_QueryNumEffects(SLAndroidEffectCapabilitiesItf self,
23 SLuint32 * pNumSupportedAudioEffects) {
24
25 SL_ENTER_INTERFACE
26
27 if (NULL == pNumSupportedAudioEffects) {
28 result = SL_RESULT_PARAMETER_INVALID;
29 } else {
30 IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
31 interface_lock_shared(thiz);
32
33 *pNumSupportedAudioEffects = thiz->mNumFx;
34 result = SL_RESULT_SUCCESS;
35
36 interface_unlock_shared(thiz);
37 }
38
39 SL_LEAVE_INTERFACE
40 }
41
42
IAndroidEffectCapabilities_QueryEffect(SLAndroidEffectCapabilitiesItf self,SLuint32 index,SLInterfaceID * pEffectType,SLInterfaceID * pEffectImplementation,SLchar * pName,SLuint16 * pNameSize)43 static SLresult IAndroidEffectCapabilities_QueryEffect(SLAndroidEffectCapabilitiesItf self,
44 SLuint32 index, SLInterfaceID *pEffectType, SLInterfaceID *pEffectImplementation,
45 SLchar * pName, SLuint16 *pNameSize) {
46
47 SL_ENTER_INTERFACE
48
49 IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
50 if (index > thiz->mNumFx) {
51 result = SL_RESULT_PARAMETER_INVALID;
52 } else {
53 interface_lock_shared(thiz);
54 if (NULL != pEffectType) {
55 *pEffectType = (SLInterfaceID) &thiz->mFxDescriptors[index].type;
56 }
57 if (NULL != pEffectImplementation) {
58 *pEffectImplementation = (SLInterfaceID) &thiz->mFxDescriptors[index].uuid;
59 }
60 if ((NULL != pName) && (0 < *pNameSize)) {
61 int len = strlen(thiz->mFxDescriptors[index].name);
62 strncpy((char*)pName, thiz->mFxDescriptors[index].name,
63 *pNameSize > len ? len : *pNameSize );
64 *pNameSize = len;
65 }
66 interface_unlock_shared(thiz);
67 result = SL_RESULT_SUCCESS;
68 }
69
70 SL_LEAVE_INTERFACE
71 }
72
73
74 static const struct SLAndroidEffectCapabilitiesItf_ IAndroidEffectCapabilities_Itf = {
75 IAndroidEffectCapabilities_QueryNumEffects,
76 IAndroidEffectCapabilities_QueryEffect
77 };
78
IAndroidEffectCapabilities_init(void * self)79 void IAndroidEffectCapabilities_init(void *self)
80 {
81 IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
82 thiz->mItf = &IAndroidEffectCapabilities_Itf;
83
84 // This is the default initialization; fields will be updated when interface is exposed
85 thiz->mNumFx = 0;
86 thiz->mFxDescriptors = NULL;
87 }
88
IAndroidEffectCapabilities_Expose(void * self)89 bool IAndroidEffectCapabilities_Expose(void *self)
90 {
91 IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
92 SLuint32 numEffects = 0;
93 SLresult result = android_genericFx_queryNumEffects(&numEffects);
94 if (SL_RESULT_SUCCESS != result) {
95 SL_LOGE("android_genericFx_queryNumEffects %u", result);
96 return false;
97 }
98 thiz->mNumFx = numEffects;
99 SL_LOGV("Effect Capabilities has %d effects", thiz->mNumFx);
100 if (thiz->mNumFx > 0) {
101 thiz->mFxDescriptors = (effect_descriptor_t*) new effect_descriptor_t[thiz->mNumFx];
102 for (SLuint32 i = 0 ; i < thiz->mNumFx ; i++) {
103 SLresult result2;
104 result2 = android_genericFx_queryEffect(i, &thiz->mFxDescriptors[i]);
105 if (SL_RESULT_SUCCESS != result2) {
106 SL_LOGE("Error (SLresult is %d) querying effect %d", result2, i);
107 // Remember the first failing result code, but keep going
108 if (SL_RESULT_SUCCESS == result) {
109 result = result2;
110 }
111 } else {
112 SL_LOGV("effect %d: type=%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x name=%s",
113 i,
114 thiz->mFxDescriptors[i].type.timeLow,
115 thiz->mFxDescriptors[i].type.timeMid,
116 thiz->mFxDescriptors[i].type.timeHiAndVersion,
117 thiz->mFxDescriptors[i].type.clockSeq,
118 thiz->mFxDescriptors[i].type.node[0],
119 thiz->mFxDescriptors[i].type.node[1],
120 thiz->mFxDescriptors[i].type.node[2],
121 thiz->mFxDescriptors[i].type.node[3],
122 thiz->mFxDescriptors[i].type.node[4],
123 thiz->mFxDescriptors[i].type.node[5],
124 thiz->mFxDescriptors[i].name);
125 }
126 }
127 }
128 return SL_RESULT_SUCCESS == result;
129 }
130
IAndroidEffectCapabilities_deinit(void * self)131 void IAndroidEffectCapabilities_deinit(void *self)
132 {
133 IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
134 // free effect library data
135 if (NULL != thiz->mFxDescriptors) {
136 delete[] thiz->mFxDescriptors;
137 thiz->mFxDescriptors = NULL;
138 }
139 }
140