1 /* 2 * Copyright (C) 2018 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 "MediaMetrics" 18 19 #include <inttypes.h> 20 #include <stdlib.h> 21 #include <string.h> 22 #include <sys/types.h> 23 24 #include <media/MediaAnalyticsItem.h> 25 #include <media/MediaMetrics.h> 26 27 // 28 // provide a C-ish interface that is easier to stabilize than the existing C++ 29 // interface 30 // 31 // ALL functions returning a char * give responsibility for the allocated buffer 32 // to the caller. The caller is responsible to call free() on that pointer. 33 // 34 35 // manage the overall record 36 mediametrics_handle_t mediametrics_create(mediametricskey_t key) { 37 android::MediaAnalyticsItem *item = android::MediaAnalyticsItem::create(key); 38 return (mediametrics_handle_t) item; 39 } 40 41 void mediametrics_delete(mediametrics_handle_t handle) { 42 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 43 if (item == NULL) return; 44 delete item; 45 } 46 47 mediametricskey_t mediametrics_getKey(mediametrics_handle_t handle) { 48 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 49 if (item == NULL) return NULL; 50 return strdup(item->getKey().c_str()); 51 } 52 53 // nuplayer, et al use it when acting as proxies 54 void mediametrics_setUid(mediametrics_handle_t handle, uid_t uid) { 55 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 56 if (item != NULL) item->setUid(uid); 57 } 58 59 // set attributes 60 // 61 62 void mediametrics_setInt32(mediametrics_handle_t handle, attr_t attr, 63 int32_t value) { 64 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 65 if (item != NULL) item->setInt32(attr, value); 66 } 67 68 void mediametrics_setInt64(mediametrics_handle_t handle, attr_t attr, 69 int64_t value) { 70 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 71 if (item != NULL) item->setInt64(attr, value); 72 } 73 74 void mediametrics_setDouble(mediametrics_handle_t handle, attr_t attr, 75 double value) { 76 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 77 if (item != NULL) item->setDouble(attr, value); 78 } 79 80 void mediametrics_setRate(mediametrics_handle_t handle, attr_t attr, 81 int64_t count, int64_t duration) { 82 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 83 if (item != NULL) item->setRate(attr, count, duration); 84 } 85 86 void mediametrics_setCString(mediametrics_handle_t handle, attr_t attr, 87 const char *value) { 88 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 89 if (item != NULL) item->setCString(attr, value); 90 } 91 92 // fused get/add/set; if attr wasn't there, it's a simple set. 93 // 94 95 void mediametrics_addInt32(mediametrics_handle_t handle, attr_t attr, 96 int32_t value) { 97 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 98 if (item != NULL) item->addInt32(attr, value); 99 } 100 101 void mediametrics_addInt64(mediametrics_handle_t handle, attr_t attr, 102 int64_t value) { 103 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 104 if (item != NULL) item->addInt64(attr, value); 105 } 106 107 void mediametrics_addDouble(mediametrics_handle_t handle, attr_t attr, 108 double value) { 109 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 110 if (item != NULL) item->addDouble(attr, value); 111 } 112 113 void mediametrics_addRate(mediametrics_handle_t handle, attr_t attr, 114 int64_t count, int64_t duration) { 115 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 116 if (item != NULL) item->addRate(attr, count, duration); 117 } 118 119 // find & extract values 120 // return indicates whether attr exists (and thus whether value filled in) 121 // NULL parameter value suppresses storage of value. 122 // 123 124 bool mediametrics_getInt32(mediametrics_handle_t handle, attr_t attr, 125 int32_t * value) { 126 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 127 if (item == NULL) return false; 128 return item->getInt32(attr, value); 129 } 130 131 bool mediametrics_getInt64(mediametrics_handle_t handle, attr_t attr, 132 int64_t * value) { 133 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 134 if (item == NULL) return false; 135 return item->getInt64(attr, value); 136 } 137 138 bool mediametrics_getDouble(mediametrics_handle_t handle, attr_t attr, 139 double *value) { 140 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 141 if (item == NULL) return false; 142 return item->getDouble(attr, value); 143 } 144 145 bool mediametrics_getRate(mediametrics_handle_t handle, attr_t attr, 146 int64_t * count, int64_t * duration, double *rate) { 147 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 148 if (item == NULL) return false; 149 return item->getRate(attr, count, duration, rate); 150 } 151 152 // NB: caller owns the string that comes back, is responsible for freeing it 153 bool mediametrics_getCString(mediametrics_handle_t handle, attr_t attr, 154 char **value) { 155 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 156 if (item == NULL) return false; 157 158 return item->getCString(attr, value); 159 } 160 161 // to release strings returned via getCString() 162 void mediametrics_freeCString(char *value) { 163 free(value); 164 } 165 166 bool mediametrics_selfRecord(mediametrics_handle_t handle) { 167 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 168 if (item == NULL) return false; 169 return item->selfrecord(); 170 } 171 172 173 const char *mediametrics_readable(mediametrics_handle_t handle) { 174 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 175 if (item == NULL) return ""; 176 return item->toCString(); 177 } 178 179 int32_t mediametrics_count(mediametrics_handle_t handle) { 180 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 181 if (item == NULL) return 0; 182 return item->count(); 183 } 184 185 bool mediametrics_isEnabled() { 186 // static, so doesn't need an instance 187 return android::MediaAnalyticsItem::isEnabled(); 188 } 189 190 bool mediametrics_getAttributes(mediametrics_handle_t handle, char **buffer, size_t *length) { 191 android::MediaAnalyticsItem *item = (android::MediaAnalyticsItem *) handle; 192 if (item == NULL) return false; 193 return item->dumpAttributes(buffer, length); 194 195 } 196
