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 22static 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 43static 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 74static const struct SLAndroidEffectCapabilitiesItf_ IAndroidEffectCapabilities_Itf = { 75 IAndroidEffectCapabilities_QueryNumEffects, 76 IAndroidEffectCapabilities_QueryEffect 77}; 78 79void 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 89bool 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 131void 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