Andreas Huber | 20111aa | 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 | |
Marco Nelissen | feba11f | 2012-03-21 12:27:00 -0700 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "MetaData" |
| 19 | #include <utils/Log.h> |
| 20 | |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 21 | #include <stdlib.h> |
| 22 | #include <string.h> |
| 23 | |
James Dong | f1d5aa1 | 2012-02-06 23:46:37 -0800 | [diff] [blame] | 24 | #include <media/stagefright/foundation/ADebug.h> |
Marco Nelissen | 1e9ee01 | 2012-08-28 15:09:49 -0700 | [diff] [blame] | 25 | #include <media/stagefright/foundation/AString.h> |
| 26 | #include <media/stagefright/foundation/hexdump.h> |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 27 | #include <media/stagefright/MetaData.h> |
| 28 | |
| 29 | namespace android { |
| 30 | |
| 31 | MetaData::MetaData() { |
| 32 | } |
| 33 | |
| 34 | MetaData::MetaData(const MetaData &from) |
| 35 | : RefBase(), |
| 36 | mItems(from.mItems) { |
| 37 | } |
| 38 | |
| 39 | MetaData::~MetaData() { |
| 40 | clear(); |
| 41 | } |
| 42 | |
| 43 | void MetaData::clear() { |
| 44 | mItems.clear(); |
| 45 | } |
| 46 | |
| 47 | bool MetaData::remove(uint32_t key) { |
| 48 | ssize_t i = mItems.indexOfKey(key); |
| 49 | |
| 50 | if (i < 0) { |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | mItems.removeItemsAt(i); |
| 55 | |
| 56 | return true; |
| 57 | } |
| 58 | |
| 59 | bool MetaData::setCString(uint32_t key, const char *value) { |
| 60 | return setData(key, TYPE_C_STRING, value, strlen(value) + 1); |
| 61 | } |
| 62 | |
| 63 | bool MetaData::setInt32(uint32_t key, int32_t value) { |
| 64 | return setData(key, TYPE_INT32, &value, sizeof(value)); |
| 65 | } |
| 66 | |
Andreas Huber | 48c948b | 2009-10-08 10:07:49 -0700 | [diff] [blame] | 67 | bool MetaData::setInt64(uint32_t key, int64_t value) { |
| 68 | return setData(key, TYPE_INT64, &value, sizeof(value)); |
| 69 | } |
| 70 | |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 71 | bool MetaData::setFloat(uint32_t key, float value) { |
| 72 | return setData(key, TYPE_FLOAT, &value, sizeof(value)); |
| 73 | } |
| 74 | |
| 75 | bool MetaData::setPointer(uint32_t key, void *value) { |
| 76 | return setData(key, TYPE_POINTER, &value, sizeof(value)); |
| 77 | } |
| 78 | |
Andreas Huber | f5ab57c | 2010-11-22 13:06:35 -0800 | [diff] [blame] | 79 | bool MetaData::setRect( |
| 80 | uint32_t key, |
| 81 | int32_t left, int32_t top, |
| 82 | int32_t right, int32_t bottom) { |
| 83 | Rect r; |
| 84 | r.mLeft = left; |
| 85 | r.mTop = top; |
| 86 | r.mRight = right; |
| 87 | r.mBottom = bottom; |
| 88 | |
| 89 | return setData(key, TYPE_RECT, &r, sizeof(r)); |
| 90 | } |
| 91 | |
James Dong | 2cf9c50 | 2011-05-17 22:39:06 -0700 | [diff] [blame] | 92 | bool MetaData::findCString(uint32_t key, const char **value) { |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 93 | uint32_t type; |
| 94 | const void *data; |
| 95 | size_t size; |
| 96 | if (!findData(key, &type, &data, &size) || type != TYPE_C_STRING) { |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | *value = (const char *)data; |
| 101 | |
| 102 | return true; |
| 103 | } |
| 104 | |
James Dong | 2cf9c50 | 2011-05-17 22:39:06 -0700 | [diff] [blame] | 105 | bool MetaData::findInt32(uint32_t key, int32_t *value) { |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 106 | uint32_t type; |
| 107 | const void *data; |
| 108 | size_t size; |
| 109 | if (!findData(key, &type, &data, &size) || type != TYPE_INT32) { |
| 110 | return false; |
| 111 | } |
| 112 | |
Andreas Huber | 0c89199 | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 113 | CHECK_EQ(size, sizeof(*value)); |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 114 | |
| 115 | *value = *(int32_t *)data; |
| 116 | |
| 117 | return true; |
| 118 | } |
| 119 | |
James Dong | 2cf9c50 | 2011-05-17 22:39:06 -0700 | [diff] [blame] | 120 | bool MetaData::findInt64(uint32_t key, int64_t *value) { |
Andreas Huber | 48c948b | 2009-10-08 10:07:49 -0700 | [diff] [blame] | 121 | uint32_t type; |
| 122 | const void *data; |
| 123 | size_t size; |
| 124 | if (!findData(key, &type, &data, &size) || type != TYPE_INT64) { |
| 125 | return false; |
| 126 | } |
| 127 | |
| 128 | CHECK_EQ(size, sizeof(*value)); |
| 129 | |
| 130 | *value = *(int64_t *)data; |
| 131 | |
| 132 | return true; |
| 133 | } |
| 134 | |
James Dong | 2cf9c50 | 2011-05-17 22:39:06 -0700 | [diff] [blame] | 135 | bool MetaData::findFloat(uint32_t key, float *value) { |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 136 | uint32_t type; |
| 137 | const void *data; |
| 138 | size_t size; |
| 139 | if (!findData(key, &type, &data, &size) || type != TYPE_FLOAT) { |
| 140 | return false; |
| 141 | } |
| 142 | |
Andreas Huber | 0c89199 | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 143 | CHECK_EQ(size, sizeof(*value)); |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 144 | |
| 145 | *value = *(float *)data; |
| 146 | |
| 147 | return true; |
| 148 | } |
| 149 | |
James Dong | 2cf9c50 | 2011-05-17 22:39:06 -0700 | [diff] [blame] | 150 | bool MetaData::findPointer(uint32_t key, void **value) { |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 151 | uint32_t type; |
| 152 | const void *data; |
| 153 | size_t size; |
| 154 | if (!findData(key, &type, &data, &size) || type != TYPE_POINTER) { |
| 155 | return false; |
| 156 | } |
| 157 | |
Andreas Huber | 0c89199 | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 158 | CHECK_EQ(size, sizeof(*value)); |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 159 | |
| 160 | *value = *(void **)data; |
| 161 | |
| 162 | return true; |
| 163 | } |
| 164 | |
Andreas Huber | f5ab57c | 2010-11-22 13:06:35 -0800 | [diff] [blame] | 165 | bool MetaData::findRect( |
| 166 | uint32_t key, |
| 167 | int32_t *left, int32_t *top, |
James Dong | 2cf9c50 | 2011-05-17 22:39:06 -0700 | [diff] [blame] | 168 | int32_t *right, int32_t *bottom) { |
Andreas Huber | f5ab57c | 2010-11-22 13:06:35 -0800 | [diff] [blame] | 169 | uint32_t type; |
| 170 | const void *data; |
| 171 | size_t size; |
| 172 | if (!findData(key, &type, &data, &size) || type != TYPE_RECT) { |
| 173 | return false; |
| 174 | } |
| 175 | |
| 176 | CHECK_EQ(size, sizeof(Rect)); |
| 177 | |
| 178 | const Rect *r = (const Rect *)data; |
| 179 | *left = r->mLeft; |
| 180 | *top = r->mTop; |
| 181 | *right = r->mRight; |
| 182 | *bottom = r->mBottom; |
| 183 | |
| 184 | return true; |
| 185 | } |
| 186 | |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 187 | bool MetaData::setData( |
| 188 | uint32_t key, uint32_t type, const void *data, size_t size) { |
| 189 | bool overwrote_existing = true; |
| 190 | |
| 191 | ssize_t i = mItems.indexOfKey(key); |
| 192 | if (i < 0) { |
| 193 | typed_data item; |
| 194 | i = mItems.add(key, item); |
| 195 | |
| 196 | overwrote_existing = false; |
| 197 | } |
| 198 | |
| 199 | typed_data &item = mItems.editValueAt(i); |
| 200 | |
| 201 | item.setData(type, data, size); |
| 202 | |
| 203 | return overwrote_existing; |
| 204 | } |
| 205 | |
| 206 | bool MetaData::findData(uint32_t key, uint32_t *type, |
| 207 | const void **data, size_t *size) const { |
| 208 | ssize_t i = mItems.indexOfKey(key); |
| 209 | |
| 210 | if (i < 0) { |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | const typed_data &item = mItems.valueAt(i); |
| 215 | |
| 216 | item.getData(type, data, size); |
| 217 | |
| 218 | return true; |
| 219 | } |
| 220 | |
| 221 | MetaData::typed_data::typed_data() |
| 222 | : mType(0), |
| 223 | mSize(0) { |
| 224 | } |
| 225 | |
| 226 | MetaData::typed_data::~typed_data() { |
| 227 | clear(); |
| 228 | } |
| 229 | |
| 230 | MetaData::typed_data::typed_data(const typed_data &from) |
| 231 | : mType(from.mType), |
| 232 | mSize(0) { |
| 233 | allocateStorage(from.mSize); |
| 234 | memcpy(storage(), from.storage(), mSize); |
| 235 | } |
| 236 | |
| 237 | MetaData::typed_data &MetaData::typed_data::operator=( |
| 238 | const MetaData::typed_data &from) { |
| 239 | if (this != &from) { |
| 240 | clear(); |
| 241 | mType = from.mType; |
| 242 | allocateStorage(from.mSize); |
| 243 | memcpy(storage(), from.storage(), mSize); |
| 244 | } |
| 245 | |
| 246 | return *this; |
| 247 | } |
| 248 | |
| 249 | void MetaData::typed_data::clear() { |
| 250 | freeStorage(); |
| 251 | |
| 252 | mType = 0; |
| 253 | } |
| 254 | |
| 255 | void MetaData::typed_data::setData( |
| 256 | uint32_t type, const void *data, size_t size) { |
| 257 | clear(); |
| 258 | |
| 259 | mType = type; |
| 260 | allocateStorage(size); |
| 261 | memcpy(storage(), data, size); |
| 262 | } |
| 263 | |
| 264 | void MetaData::typed_data::getData( |
| 265 | uint32_t *type, const void **data, size_t *size) const { |
| 266 | *type = mType; |
| 267 | *size = mSize; |
| 268 | *data = storage(); |
| 269 | } |
| 270 | |
| 271 | void MetaData::typed_data::allocateStorage(size_t size) { |
| 272 | mSize = size; |
| 273 | |
| 274 | if (usesReservoir()) { |
| 275 | return; |
| 276 | } |
| 277 | |
| 278 | u.ext_data = malloc(mSize); |
| 279 | } |
| 280 | |
| 281 | void MetaData::typed_data::freeStorage() { |
| 282 | if (!usesReservoir()) { |
| 283 | if (u.ext_data) { |
| 284 | free(u.ext_data); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | mSize = 0; |
| 289 | } |
| 290 | |
Marco Nelissen | feba11f | 2012-03-21 12:27:00 -0700 | [diff] [blame] | 291 | String8 MetaData::typed_data::asString() const { |
| 292 | String8 out; |
| 293 | const void *data = storage(); |
| 294 | switch(mType) { |
| 295 | case TYPE_NONE: |
| 296 | out = String8::format("no type, size %d)", mSize); |
| 297 | break; |
| 298 | case TYPE_C_STRING: |
| 299 | out = String8::format("(char*) %s", (const char *)data); |
| 300 | break; |
| 301 | case TYPE_INT32: |
| 302 | out = String8::format("(int32_t) %d", *(int32_t *)data); |
| 303 | break; |
| 304 | case TYPE_INT64: |
| 305 | out = String8::format("(int64_t) %lld", *(int64_t *)data); |
| 306 | break; |
| 307 | case TYPE_FLOAT: |
| 308 | out = String8::format("(float) %f", *(float *)data); |
| 309 | break; |
| 310 | case TYPE_POINTER: |
| 311 | out = String8::format("(void*) %p", *(void **)data); |
| 312 | break; |
| 313 | case TYPE_RECT: |
| 314 | { |
| 315 | const Rect *r = (const Rect *)data; |
| 316 | out = String8::format("Rect(%d, %d, %d, %d)", |
| 317 | r->mLeft, r->mTop, r->mRight, r->mBottom); |
| 318 | break; |
| 319 | } |
| 320 | |
| 321 | default: |
| 322 | out = String8::format("(unknown type %d, size %d)", mType, mSize); |
Marco Nelissen | 1e9ee01 | 2012-08-28 15:09:49 -0700 | [diff] [blame] | 323 | if (mSize <= 48) { // if it's less than three lines of hex data, dump it |
| 324 | AString foo; |
| 325 | hexdump(data, mSize, 0, &foo); |
| 326 | out.append("\n"); |
| 327 | out.append(foo.c_str()); |
| 328 | } |
Marco Nelissen | feba11f | 2012-03-21 12:27:00 -0700 | [diff] [blame] | 329 | break; |
| 330 | } |
| 331 | return out; |
| 332 | } |
| 333 | |
| 334 | static void MakeFourCCString(uint32_t x, char *s) { |
| 335 | s[0] = x >> 24; |
| 336 | s[1] = (x >> 16) & 0xff; |
| 337 | s[2] = (x >> 8) & 0xff; |
| 338 | s[3] = x & 0xff; |
| 339 | s[4] = '\0'; |
| 340 | } |
| 341 | |
| 342 | void MetaData::dumpToLog() const { |
| 343 | for (int i = mItems.size(); --i >= 0;) { |
| 344 | int32_t key = mItems.keyAt(i); |
| 345 | char cc[5]; |
| 346 | MakeFourCCString(key, cc); |
| 347 | const typed_data &item = mItems.valueAt(i); |
| 348 | ALOGI("%s: %s", cc, item.asString().string()); |
| 349 | } |
| 350 | } |
| 351 | |
Andreas Huber | 20111aa | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 352 | } // namespace android |
| 353 | |