1 /* 2 * Copyright (C) 2017 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 #define LOG_TAG "EffectsFactoryState" 18 19 #include "EffectsFactoryState.h" 20 21 #include "log/log.h" 22 23 list_elem_t *gLibraryList; 24 list_elem_t *gSkippedEffects; 25 list_sub_elem_t *gSubEffectList; 26 pthread_mutex_t gLibLock = PTHREAD_MUTEX_INITIALIZER; 27 28 list_elem_t *gLibraryFailedList; //list of lib_failed_entry_t: libraries failed to load 29 30 31 int findEffect(const effect_uuid_t *type, 32 const effect_uuid_t *uuid, 33 lib_entry_t **lib, 34 effect_descriptor_t **desc) 35 { 36 list_elem_t *e = gLibraryList; 37 lib_entry_t *l = NULL; 38 effect_descriptor_t *d = NULL; 39 int found = 0; 40 int ret = 0; 41 42 while (e && !found) { 43 l = (lib_entry_t *)e->object; 44 list_elem_t *efx = l->effects; 45 while (efx) { 46 d = (effect_descriptor_t *)efx->object; 47 if (type != NULL && memcmp(&d->type, type, sizeof(effect_uuid_t)) == 0) { 48 found = 1; 49 break; 50 } 51 if (uuid != NULL && memcmp(&d->uuid, uuid, sizeof(effect_uuid_t)) == 0) { 52 found = 1; 53 break; 54 } 55 efx = efx->next; 56 } 57 e = e->next; 58 } 59 if (!found) { 60 ALOGV("findEffect() effect not found"); 61 ret = -ENOENT; 62 } else { 63 ALOGV("findEffect() found effect: %s in lib %s", d->name, l->name); 64 *lib = l; 65 if (desc) { 66 *desc = d; 67 } 68 } 69 70 return ret; 71 } 72 73 int stringToUuid(const char *str, effect_uuid_t *uuid) 74 { 75 int tmp[10]; 76 77 if (sscanf(str, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", 78 tmp, tmp+1, tmp+2, tmp+3, tmp+4, tmp+5, tmp+6, tmp+7, tmp+8, tmp+9) < 10) { 79 return -EINVAL; 80 } 81 uuid->timeLow = (uint32_t)tmp[0]; 82 uuid->timeMid = (uint16_t)tmp[1]; 83 uuid->timeHiAndVersion = (uint16_t)tmp[2]; 84 uuid->clockSeq = (uint16_t)tmp[3]; 85 uuid->node[0] = (uint8_t)tmp[4]; 86 uuid->node[1] = (uint8_t)tmp[5]; 87 uuid->node[2] = (uint8_t)tmp[6]; 88 uuid->node[3] = (uint8_t)tmp[7]; 89 uuid->node[4] = (uint8_t)tmp[8]; 90 uuid->node[5] = (uint8_t)tmp[9]; 91 92 return 0; 93 } 94 95 int uuidToString(const effect_uuid_t *uuid, char *str, size_t maxLen) 96 { 97 98 snprintf(str, maxLen, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", 99 uuid->timeLow, 100 uuid->timeMid, 101 uuid->timeHiAndVersion, 102 uuid->clockSeq, 103 uuid->node[0], 104 uuid->node[1], 105 uuid->node[2], 106 uuid->node[3], 107 uuid->node[4], 108 uuid->node[5]); 109 110 return 0; 111 } 112 113 114 void dumpEffectDescriptor(effect_descriptor_t *desc, char *str, size_t len, int indent) { 115 char s[256]; 116 char ss[256]; 117 char idt[indent + 1]; 118 119 memset(idt, ' ', indent); 120 idt[indent] = 0; 121 122 str[0] = 0; 123 124 snprintf(s, sizeof(s), "%s%s / %s\n", idt, desc->name, desc->implementor); 125 strlcat(str, s, len); 126 127 uuidToString(&desc->uuid, s, sizeof(s)); 128 snprintf(ss, sizeof(ss), "%s UUID: %s\n", idt, s); 129 strlcat(str, ss, len); 130 131 uuidToString(&desc->type, s, sizeof(s)); 132 snprintf(ss, sizeof(ss), "%s TYPE: %s\n", idt, s); 133 strlcat(str, ss, len); 134 135 sprintf(s, "%s apiVersion: %08X\n%s flags: %08X\n", idt, 136 desc->apiVersion, idt, desc->flags); 137 strlcat(str, s, len); 138 } 139
