Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 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 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
| 19 | |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 20 | #include <media/stagefright/MediaDebug.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 21 | #include <media/stagefright/MetaData.h> |
| 22 | |
| 23 | namespace android { |
| 24 | |
| 25 | MetaData::MetaData() { |
| 26 | } |
| 27 | |
| 28 | MetaData::MetaData(const MetaData &from) |
| 29 | : RefBase(), |
| 30 | mItems(from.mItems) { |
| 31 | } |
| 32 | |
| 33 | MetaData::~MetaData() { |
| 34 | clear(); |
| 35 | } |
| 36 | |
| 37 | void MetaData::clear() { |
| 38 | mItems.clear(); |
| 39 | } |
| 40 | |
| 41 | bool MetaData::remove(uint32_t key) { |
| 42 | ssize_t i = mItems.indexOfKey(key); |
| 43 | |
| 44 | if (i < 0) { |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | mItems.removeItemsAt(i); |
| 49 | |
| 50 | return true; |
| 51 | } |
| 52 | |
| 53 | bool MetaData::setCString(uint32_t key, const char *value) { |
| 54 | return setData(key, TYPE_C_STRING, value, strlen(value) + 1); |
| 55 | } |
| 56 | |
| 57 | bool MetaData::setInt32(uint32_t key, int32_t value) { |
| 58 | return setData(key, TYPE_INT32, &value, sizeof(value)); |
| 59 | } |
| 60 | |
Andreas Huber | fa8de75 | 2009-10-08 10:07:49 -0700 | [diff] [blame] | 61 | bool MetaData::setInt64(uint32_t key, int64_t value) { |
| 62 | return setData(key, TYPE_INT64, &value, sizeof(value)); |
| 63 | } |
| 64 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 65 | bool MetaData::setFloat(uint32_t key, float value) { |
| 66 | return setData(key, TYPE_FLOAT, &value, sizeof(value)); |
| 67 | } |
| 68 | |
| 69 | bool MetaData::setPointer(uint32_t key, void *value) { |
| 70 | return setData(key, TYPE_POINTER, &value, sizeof(value)); |
| 71 | } |
| 72 | |
Andreas Huber | 1bb0ffd | 2010-11-22 13:06:35 -0800 | [diff] [blame] | 73 | bool MetaData::setRect( |
| 74 | uint32_t key, |
| 75 | int32_t left, int32_t top, |
| 76 | int32_t right, int32_t bottom) { |
| 77 | Rect r; |
| 78 | r.mLeft = left; |
| 79 | r.mTop = top; |
| 80 | r.mRight = right; |
| 81 | r.mBottom = bottom; |
| 82 | |
| 83 | return setData(key, TYPE_RECT, &r, sizeof(r)); |
| 84 | } |
| 85 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 86 | bool MetaData::findCString(uint32_t key, const char **value) { |
| 87 | uint32_t type; |
| 88 | const void *data; |
| 89 | size_t size; |
| 90 | if (!findData(key, &type, &data, &size) || type != TYPE_C_STRING) { |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | *value = (const char *)data; |
| 95 | |
| 96 | return true; |
| 97 | } |
| 98 | |
| 99 | bool MetaData::findInt32(uint32_t key, int32_t *value) { |
| 100 | uint32_t type; |
| 101 | const void *data; |
| 102 | size_t size; |
| 103 | if (!findData(key, &type, &data, &size) || type != TYPE_INT32) { |
| 104 | return false; |
| 105 | } |
| 106 | |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 107 | CHECK_EQ(size, sizeof(*value)); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 108 | |
| 109 | *value = *(int32_t *)data; |
| 110 | |
| 111 | return true; |
| 112 | } |
| 113 | |
Andreas Huber | fa8de75 | 2009-10-08 10:07:49 -0700 | [diff] [blame] | 114 | bool MetaData::findInt64(uint32_t key, int64_t *value) { |
| 115 | uint32_t type; |
| 116 | const void *data; |
| 117 | size_t size; |
| 118 | if (!findData(key, &type, &data, &size) || type != TYPE_INT64) { |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | CHECK_EQ(size, sizeof(*value)); |
| 123 | |
| 124 | *value = *(int64_t *)data; |
| 125 | |
| 126 | return true; |
| 127 | } |
| 128 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 129 | bool MetaData::findFloat(uint32_t key, float *value) { |
| 130 | uint32_t type; |
| 131 | const void *data; |
| 132 | size_t size; |
| 133 | if (!findData(key, &type, &data, &size) || type != TYPE_FLOAT) { |
| 134 | return false; |
| 135 | } |
| 136 | |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 137 | CHECK_EQ(size, sizeof(*value)); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 138 | |
| 139 | *value = *(float *)data; |
| 140 | |
| 141 | return true; |
| 142 | } |
| 143 | |
| 144 | bool MetaData::findPointer(uint32_t key, void **value) { |
| 145 | uint32_t type; |
| 146 | const void *data; |
| 147 | size_t size; |
| 148 | if (!findData(key, &type, &data, &size) || type != TYPE_POINTER) { |
| 149 | return false; |
| 150 | } |
| 151 | |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 152 | CHECK_EQ(size, sizeof(*value)); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 153 | |
| 154 | *value = *(void **)data; |
| 155 | |
| 156 | return true; |
| 157 | } |
| 158 | |
Andreas Huber | 1bb0ffd | 2010-11-22 13:06:35 -0800 | [diff] [blame] | 159 | bool MetaData::findRect( |
| 160 | uint32_t key, |
| 161 | int32_t *left, int32_t *top, |
| 162 | int32_t *right, int32_t *bottom) { |
| 163 | uint32_t type; |
| 164 | const void *data; |
| 165 | size_t size; |
| 166 | if (!findData(key, &type, &data, &size) || type != TYPE_RECT) { |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | CHECK_EQ(size, sizeof(Rect)); |
| 171 | |
| 172 | const Rect *r = (const Rect *)data; |
| 173 | *left = r->mLeft; |
| 174 | *top = r->mTop; |
| 175 | *right = r->mRight; |
| 176 | *bottom = r->mBottom; |
| 177 | |
| 178 | return true; |
| 179 | } |
| 180 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 181 | bool MetaData::setData( |
| 182 | uint32_t key, uint32_t type, const void *data, size_t size) { |
| 183 | bool overwrote_existing = true; |
| 184 | |
| 185 | ssize_t i = mItems.indexOfKey(key); |
| 186 | if (i < 0) { |
| 187 | typed_data item; |
| 188 | i = mItems.add(key, item); |
| 189 | |
| 190 | overwrote_existing = false; |
| 191 | } |
| 192 | |
| 193 | typed_data &item = mItems.editValueAt(i); |
| 194 | |
| 195 | item.setData(type, data, size); |
| 196 | |
| 197 | return overwrote_existing; |
| 198 | } |
| 199 | |
| 200 | bool MetaData::findData(uint32_t key, uint32_t *type, |
| 201 | const void **data, size_t *size) const { |
| 202 | ssize_t i = mItems.indexOfKey(key); |
| 203 | |
| 204 | if (i < 0) { |
| 205 | return false; |
| 206 | } |
| 207 | |
| 208 | const typed_data &item = mItems.valueAt(i); |
| 209 | |
| 210 | item.getData(type, data, size); |
| 211 | |
| 212 | return true; |
| 213 | } |
| 214 | |
| 215 | MetaData::typed_data::typed_data() |
| 216 | : mType(0), |
| 217 | mSize(0) { |
| 218 | } |
| 219 | |
| 220 | MetaData::typed_data::~typed_data() { |
| 221 | clear(); |
| 222 | } |
| 223 | |
| 224 | MetaData::typed_data::typed_data(const typed_data &from) |
| 225 | : mType(from.mType), |
| 226 | mSize(0) { |
| 227 | allocateStorage(from.mSize); |
| 228 | memcpy(storage(), from.storage(), mSize); |
| 229 | } |
| 230 | |
| 231 | MetaData::typed_data &MetaData::typed_data::operator=( |
| 232 | const MetaData::typed_data &from) { |
| 233 | if (this != &from) { |
| 234 | clear(); |
| 235 | mType = from.mType; |
| 236 | allocateStorage(from.mSize); |
| 237 | memcpy(storage(), from.storage(), mSize); |
| 238 | } |
| 239 | |
| 240 | return *this; |
| 241 | } |
| 242 | |
| 243 | void MetaData::typed_data::clear() { |
| 244 | freeStorage(); |
| 245 | |
| 246 | mType = 0; |
| 247 | } |
| 248 | |
| 249 | void MetaData::typed_data::setData( |
| 250 | uint32_t type, const void *data, size_t size) { |
| 251 | clear(); |
| 252 | |
| 253 | mType = type; |
| 254 | allocateStorage(size); |
| 255 | memcpy(storage(), data, size); |
| 256 | } |
| 257 | |
| 258 | void MetaData::typed_data::getData( |
| 259 | uint32_t *type, const void **data, size_t *size) const { |
| 260 | *type = mType; |
| 261 | *size = mSize; |
| 262 | *data = storage(); |
| 263 | } |
| 264 | |
| 265 | void MetaData::typed_data::allocateStorage(size_t size) { |
| 266 | mSize = size; |
| 267 | |
| 268 | if (usesReservoir()) { |
| 269 | return; |
| 270 | } |
| 271 | |
| 272 | u.ext_data = malloc(mSize); |
| 273 | } |
| 274 | |
| 275 | void MetaData::typed_data::freeStorage() { |
| 276 | if (!usesReservoir()) { |
| 277 | if (u.ext_data) { |
| 278 | free(u.ext_data); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | mSize = 0; |
| 283 | } |
| 284 | |
| 285 | } // namespace android |
| 286 | |