CameraCharacteristics.java revision ea1727c9e1760bebbe894b950f94cad91da416cc
1/* 2 * Copyright (C) 2013 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 17package android.hardware.camera2; 18 19import android.hardware.camera2.CaptureResult.Key; 20import android.hardware.camera2.impl.CameraMetadataNative; 21import android.hardware.camera2.utils.TypeReference; 22import android.util.Rational; 23 24import java.util.Collections; 25import java.util.List; 26 27/** 28 * <p>The properties describing a 29 * {@link CameraDevice CameraDevice}.</p> 30 * 31 * <p>These properties are fixed for a given CameraDevice, and can be queried 32 * through the {@link CameraManager CameraManager} 33 * interface with {@link CameraManager#getCameraCharacteristics}.</p> 34 * 35 * <p>{@link CameraCharacteristics} objects are immutable.</p> 36 * 37 * @see CameraDevice 38 * @see CameraManager 39 */ 40public final class CameraCharacteristics extends CameraMetadata<CameraCharacteristics.Key<?>> { 41 42 /** 43 * A {@code Key} is used to do camera characteristics field lookups with 44 * {@link CameraCharacteristics#get}. 45 * 46 * <p>For example, to get the stream configuration map: 47 * <code><pre> 48 * StreamConfigurationMap map = cameraCharacteristics.get( 49 * CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); 50 * </pre></code> 51 * </p> 52 * 53 * <p>To enumerate over all possible keys for {@link CameraCharacteristics}, see 54 * {@link CameraCharacteristics#getKeys()}.</p> 55 * 56 * @see CameraCharacteristics#get 57 * @see CameraCharacteristics#getKeys() 58 */ 59 public static final class Key<T> { 60 private final CameraMetadataNative.Key<T> mKey; 61 62 /** 63 * Visible for testing and vendor extensions only. 64 * 65 * @hide 66 */ 67 public Key(String name, Class<T> type) { 68 mKey = new CameraMetadataNative.Key<T>(name, type); 69 } 70 71 /** 72 * Visible for testing and vendor extensions only. 73 * 74 * @hide 75 */ 76 public Key(String name, TypeReference<T> typeReference) { 77 mKey = new CameraMetadataNative.Key<T>(name, typeReference); 78 } 79 80 /** 81 * Return a camelCase, period separated name formatted like: 82 * {@code "root.section[.subsections].name"}. 83 * 84 * <p>Built-in keys exposed by the Android SDK are always prefixed with {@code "android."}; 85 * keys that are device/platform-specific are prefixed with {@code "com."}.</p> 86 * 87 * <p>For example, {@code CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP} would 88 * have a name of {@code "android.scaler.streamConfigurationMap"}; whereas a device 89 * specific key might look like {@code "com.google.nexus.data.private"}.</p> 90 * 91 * @return String representation of the key name 92 */ 93 public String getName() { 94 return mKey.getName(); 95 } 96 97 /** 98 * {@inheritDoc} 99 */ 100 @Override 101 public final int hashCode() { 102 return mKey.hashCode(); 103 } 104 105 /** 106 * {@inheritDoc} 107 */ 108 @SuppressWarnings("unchecked") 109 @Override 110 public final boolean equals(Object o) { 111 return o instanceof Key && ((Key<T>)o).mKey.equals(mKey); 112 } 113 114 /** 115 * Visible for CameraMetadataNative implementation only; do not use. 116 * 117 * TODO: Make this private or remove it altogether. 118 * 119 * @hide 120 */ 121 public CameraMetadataNative.Key<T> getNativeKey() { 122 return mKey; 123 } 124 125 @SuppressWarnings({ 126 "unused", "unchecked" 127 }) 128 private Key(CameraMetadataNative.Key<?> nativeKey) { 129 mKey = (CameraMetadataNative.Key<T>) nativeKey; 130 } 131 } 132 133 private final CameraMetadataNative mProperties; 134 private List<CaptureRequest.Key<?>> mAvailableRequestKeys; 135 private List<CaptureResult.Key<?>> mAvailableResultKeys; 136 137 /** 138 * Takes ownership of the passed-in properties object 139 * @hide 140 */ 141 public CameraCharacteristics(CameraMetadataNative properties) { 142 mProperties = CameraMetadataNative.move(properties); 143 } 144 145 /** 146 * Returns a copy of the underlying {@link CameraMetadataNative}. 147 * @hide 148 */ 149 public CameraMetadataNative getNativeCopy() { 150 return new CameraMetadataNative(mProperties); 151 } 152 153 /** 154 * Get a camera characteristics field value. 155 * 156 * <p>The field definitions can be 157 * found in {@link CameraCharacteristics}.</p> 158 * 159 * <p>Querying the value for the same key more than once will return a value 160 * which is equal to the previous queried value.</p> 161 * 162 * @throws IllegalArgumentException if the key was not valid 163 * 164 * @param key The characteristics field to read. 165 * @return The value of that key, or {@code null} if the field is not set. 166 */ 167 public <T> T get(Key<T> key) { 168 return mProperties.get(key); 169 } 170 171 /** 172 * {@inheritDoc} 173 * @hide 174 */ 175 @SuppressWarnings("unchecked") 176 @Override 177 protected <T> T getProtected(Key<?> key) { 178 return (T) mProperties.get(key); 179 } 180 181 /** 182 * {@inheritDoc} 183 * @hide 184 */ 185 @SuppressWarnings("unchecked") 186 @Override 187 protected Class<Key<?>> getKeyClass() { 188 Object thisClass = Key.class; 189 return (Class<Key<?>>)thisClass; 190 } 191 192 /** 193 * {@inheritDoc} 194 */ 195 @Override 196 public List<Key<?>> getKeys() { 197 // Force the javadoc for this function to show up on the CameraCharacteristics page 198 return super.getKeys(); 199 } 200 201 /** 202 * Returns the list of keys supported by this {@link CameraDevice} for querying 203 * with a {@link CaptureRequest}. 204 * 205 * <p>The list returned is not modifiable, so any attempts to modify it will throw 206 * a {@code UnsupportedOperationException}.</p> 207 * 208 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 209 * 210 * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use 211 * {@link #getKeys()} instead.</p> 212 * 213 * @return List of keys supported by this CameraDevice for CaptureRequests. 214 */ 215 @SuppressWarnings({"unchecked"}) 216 public List<CaptureRequest.Key<?>> getAvailableCaptureRequestKeys() { 217 if (mAvailableRequestKeys == null) { 218 Object crKey = CaptureRequest.Key.class; 219 Class<CaptureRequest.Key<?>> crKeyTyped = (Class<CaptureRequest.Key<?>>)crKey; 220 221 mAvailableRequestKeys = Collections.unmodifiableList( 222 getAvailableKeyList(CaptureRequest.class, crKeyTyped)); 223 } 224 return mAvailableRequestKeys; 225 } 226 227 /** 228 * Returns the list of keys supported by this {@link CameraDevice} for querying 229 * with a {@link CaptureResult}. 230 * 231 * <p>The list returned is not modifiable, so any attempts to modify it will throw 232 * a {@code UnsupportedOperationException}.</p> 233 * 234 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 235 * 236 * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use 237 * {@link #getKeys()} instead.</p> 238 * 239 * @return List of keys supported by this CameraDevice for CaptureResults. 240 */ 241 @SuppressWarnings({"unchecked"}) 242 public List<CaptureResult.Key<?>> getAvailableCaptureResultKeys() { 243 if (mAvailableResultKeys == null) { 244 Object crKey = CaptureResult.Key.class; 245 Class<CaptureResult.Key<?>> crKeyTyped = (Class<CaptureResult.Key<?>>)crKey; 246 247 mAvailableResultKeys = Collections.unmodifiableList( 248 getAvailableKeyList(CaptureResult.class, crKeyTyped)); 249 } 250 return mAvailableResultKeys; 251 } 252 253 /** 254 * Returns the list of keys supported by this {@link CameraDevice} by metadataClass. 255 * 256 * <p>The list returned is not modifiable, so any attempts to modify it will throw 257 * a {@code UnsupportedOperationException}.</p> 258 * 259 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 260 * 261 * @param metadataClass The subclass of CameraMetadata that you want to get the keys for. 262 * @param keyClass The class of the metadata key, e.g. CaptureRequest.Key.class 263 * 264 * @return List of keys supported by this CameraDevice for metadataClass. 265 * 266 * @throws IllegalArgumentException if metadataClass is not a subclass of CameraMetadata 267 */ 268 private <TKey> List<TKey> 269 getAvailableKeyList(Class<?> metadataClass, Class<TKey> keyClass) { 270 271 if (metadataClass.equals(CameraMetadata.class)) { 272 throw new AssertionError( 273 "metadataClass must be a strict subclass of CameraMetadata"); 274 } else if (!CameraMetadata.class.isAssignableFrom(metadataClass)) { 275 throw new AssertionError( 276 "metadataClass must be a subclass of CameraMetadata"); 277 } 278 279 List<TKey> staticKeyList = CameraCharacteristics.<TKey>getKeysStatic( 280 metadataClass, keyClass, /*instance*/null); 281 return Collections.unmodifiableList(staticKeyList); 282 } 283 284 /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 285 * The key entries below this point are generated from metadata 286 * definitions in /system/media/camera/docs. Do not modify by hand or 287 * modify the comment blocks at the start or end. 288 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/ 289 290 291 /** 292 * <p>The set of auto-exposure antibanding modes that are 293 * supported by this camera device.</p> 294 * <p>Not all of the auto-exposure anti-banding modes may be 295 * supported by a given camera device. This field lists the 296 * valid anti-banding modes that the application may request 297 * for this camera device; they must include AUTO.</p> 298 */ 299 public static final Key<int[]> CONTROL_AE_AVAILABLE_ANTIBANDING_MODES = 300 new Key<int[]>("android.control.aeAvailableAntibandingModes", int[].class); 301 302 /** 303 * <p>The set of auto-exposure modes that are supported by this 304 * camera device.</p> 305 * <p>Not all the auto-exposure modes may be supported by a 306 * given camera device, especially if no flash unit is 307 * available. This entry lists the valid modes for 308 * {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} for this camera device.</p> 309 * <p>All camera devices support ON, and all camera devices with 310 * flash units support ON_AUTO_FLASH and 311 * ON_ALWAYS_FLASH.</p> 312 * <p>FULL mode camera devices always support OFF mode, 313 * which enables application control of camera exposure time, 314 * sensitivity, and frame duration.</p> 315 * 316 * @see CaptureRequest#CONTROL_AE_MODE 317 */ 318 public static final Key<int[]> CONTROL_AE_AVAILABLE_MODES = 319 new Key<int[]>("android.control.aeAvailableModes", int[].class); 320 321 /** 322 * <p>List of frame rate ranges supported by the 323 * auto-exposure (AE) algorithm/hardware</p> 324 */ 325 public static final Key<android.util.Range<Integer>[]> CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES = 326 new Key<android.util.Range<Integer>[]>("android.control.aeAvailableTargetFpsRanges", new TypeReference<android.util.Range<Integer>[]>() {{ }}); 327 328 /** 329 * <p>Maximum and minimum exposure compensation 330 * setting, in counts of 331 * {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP android.control.aeCompensationStep}.</p> 332 * 333 * @see CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP 334 */ 335 public static final Key<android.util.Range<Integer>> CONTROL_AE_COMPENSATION_RANGE = 336 new Key<android.util.Range<Integer>>("android.control.aeCompensationRange", new TypeReference<android.util.Range<Integer>>() {{ }}); 337 338 /** 339 * <p>Smallest step by which exposure compensation 340 * can be changed</p> 341 */ 342 public static final Key<Rational> CONTROL_AE_COMPENSATION_STEP = 343 new Key<Rational>("android.control.aeCompensationStep", Rational.class); 344 345 /** 346 * <p>List of auto-focus (AF) modes that can be 347 * selected with {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}.</p> 348 * <p>Not all the auto-focus modes may be supported by a 349 * given camera device. This entry lists the valid modes for 350 * {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} for this camera device.</p> 351 * <p>All camera devices will support OFF mode, and all camera devices with 352 * adjustable focuser units (<code>{@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} > 0</code>) 353 * will support AUTO mode.</p> 354 * 355 * @see CaptureRequest#CONTROL_AF_MODE 356 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 357 */ 358 public static final Key<int[]> CONTROL_AF_AVAILABLE_MODES = 359 new Key<int[]>("android.control.afAvailableModes", int[].class); 360 361 /** 362 * <p>List containing the subset of color effects 363 * specified in {@link CaptureRequest#CONTROL_EFFECT_MODE android.control.effectMode} that is supported by 364 * this device.</p> 365 * <p>This list contains the color effect modes that can be applied to 366 * images produced by the camera device. Only modes that have 367 * been fully implemented for the current device may be included here. 368 * Implementations are not expected to be consistent across all devices. 369 * If no color effect modes are available for a device, this should 370 * simply be set to OFF.</p> 371 * <p>A color effect will only be applied if 372 * {@link CaptureRequest#CONTROL_MODE android.control.mode} != OFF.</p> 373 * 374 * @see CaptureRequest#CONTROL_EFFECT_MODE 375 * @see CaptureRequest#CONTROL_MODE 376 */ 377 public static final Key<int[]> CONTROL_AVAILABLE_EFFECTS = 378 new Key<int[]>("android.control.availableEffects", int[].class); 379 380 /** 381 * <p>List containing a subset of scene modes 382 * specified in {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode}.</p> 383 * <p>This list contains scene modes that can be set for the camera device. 384 * Only scene modes that have been fully implemented for the 385 * camera device may be included here. Implementations are not expected 386 * to be consistent across all devices. If no scene modes are supported 387 * by the camera device, this will be set to <code>[DISABLED]</code>.</p> 388 * 389 * @see CaptureRequest#CONTROL_SCENE_MODE 390 */ 391 public static final Key<int[]> CONTROL_AVAILABLE_SCENE_MODES = 392 new Key<int[]>("android.control.availableSceneModes", int[].class); 393 394 /** 395 * <p>List of video stabilization modes that can 396 * be supported</p> 397 */ 398 public static final Key<int[]> CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES = 399 new Key<int[]>("android.control.availableVideoStabilizationModes", int[].class); 400 401 /** 402 * <p>The set of auto-white-balance modes ({@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}) 403 * that are supported by this camera device.</p> 404 * <p>Not all the auto-white-balance modes may be supported by a 405 * given camera device. This entry lists the valid modes for 406 * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} for this camera device.</p> 407 * <p>All camera devices will support ON mode.</p> 408 * <p>FULL mode camera devices will always support OFF mode, 409 * which enables application control of white balance, by using 410 * {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform} and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains}({@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} must be set to TRANSFORM_MATRIX).</p> 411 * 412 * @see CaptureRequest#COLOR_CORRECTION_GAINS 413 * @see CaptureRequest#COLOR_CORRECTION_MODE 414 * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM 415 * @see CaptureRequest#CONTROL_AWB_MODE 416 */ 417 public static final Key<int[]> CONTROL_AWB_AVAILABLE_MODES = 418 new Key<int[]>("android.control.awbAvailableModes", int[].class); 419 420 /** 421 * <p>List of the maximum number of regions that can be used for metering in 422 * auto-exposure (AE), auto-white balance (AWB), and auto-focus (AF); 423 * this corresponds to the the maximum number of elements in 424 * {@link CaptureRequest#CONTROL_AE_REGIONS android.control.aeRegions}, {@link CaptureRequest#CONTROL_AWB_REGIONS android.control.awbRegions}, 425 * and {@link CaptureRequest#CONTROL_AF_REGIONS android.control.afRegions}.</p> 426 * 427 * @see CaptureRequest#CONTROL_AE_REGIONS 428 * @see CaptureRequest#CONTROL_AF_REGIONS 429 * @see CaptureRequest#CONTROL_AWB_REGIONS 430 * @hide 431 */ 432 public static final Key<int[]> CONTROL_MAX_REGIONS = 433 new Key<int[]>("android.control.maxRegions", int[].class); 434 435 /** 436 * <p>List of the maximum number of regions that can be used for metering in 437 * auto-exposure (AE); 438 * this corresponds to the the maximum number of elements in 439 * {@link CaptureRequest#CONTROL_AE_REGIONS android.control.aeRegions}.</p> 440 * 441 * @see CaptureRequest#CONTROL_AE_REGIONS 442 */ 443 public static final Key<Integer> CONTROL_MAX_REGIONS_AE = 444 new Key<Integer>("android.control.maxRegionsAe", int.class); 445 446 /** 447 * <p>List of the maximum number of regions that can be used for metering in 448 * auto-white balance (AWB); 449 * this corresponds to the the maximum number of elements in 450 * {@link CaptureRequest#CONTROL_AWB_REGIONS android.control.awbRegions}.</p> 451 * 452 * @see CaptureRequest#CONTROL_AWB_REGIONS 453 */ 454 public static final Key<Integer> CONTROL_MAX_REGIONS_AWB = 455 new Key<Integer>("android.control.maxRegionsAwb", int.class); 456 457 /** 458 * <p>List of the maximum number of regions that can be used for metering in 459 * auto-focus (AF); 460 * this corresponds to the the maximum number of elements in 461 * {@link CaptureRequest#CONTROL_AF_REGIONS android.control.afRegions}.</p> 462 * 463 * @see CaptureRequest#CONTROL_AF_REGIONS 464 */ 465 public static final Key<Integer> CONTROL_MAX_REGIONS_AF = 466 new Key<Integer>("android.control.maxRegionsAf", int.class); 467 468 /** 469 * <p>List of available high speed video size and fps range configurations 470 * supported by the camera device, in the format of (width, height, fps_min, fps_max).</p> 471 * <p>When HIGH_SPEED_VIDEO is supported in {@link CameraCharacteristics#CONTROL_AVAILABLE_SCENE_MODES android.control.availableSceneModes}, 472 * this metadata will list the supported high speed video size and fps range 473 * configurations. All the sizes listed in this configuration will be a subset 474 * of the sizes reported by StreamConfigurationMap#getOutputSizes for processed 475 * non-stalling formats.</p> 476 * <p>For the high speed video use case, where the application will set 477 * {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode} to HIGH_SPEED_VIDEO in capture requests, the application must 478 * select the video size and fps range from this metadata to configure the recording and 479 * preview streams and setup the recording requests. For example, if the application intends 480 * to do high speed recording, it can select the maximum size reported by this metadata to 481 * configure output streams. Once the size is selected, application can filter this metadata 482 * by selected size and get the supported fps ranges, and use these fps ranges to setup the 483 * recording requests.</p> 484 * <p>For normal video recording use case, where some application will NOT set 485 * {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode} to HIGH_SPEED_VIDEO in capture requests, the fps ranges 486 * reported in this metadata must not be used to setup capture requests, or it will cause 487 * request error.</p> 488 * 489 * @see CameraCharacteristics#CONTROL_AVAILABLE_SCENE_MODES 490 * @see CaptureRequest#CONTROL_SCENE_MODE 491 * @hide 492 */ 493 public static final Key<int[]> CONTROL_AVAILABLE_HIGH_SPEED_VIDEO_CONFIGURATIONS = 494 new Key<int[]>("android.control.availableHighSpeedVideoConfigurations", int[].class); 495 496 /** 497 * <p>The set of edge enhancement modes supported by this camera device.</p> 498 * <p>This tag lists the valid modes for {@link CaptureRequest#EDGE_MODE android.edge.mode}.</p> 499 * <p>Full-capability camera devices must always support OFF and FAST.</p> 500 * 501 * @see CaptureRequest#EDGE_MODE 502 */ 503 public static final Key<int[]> EDGE_AVAILABLE_EDGE_MODES = 504 new Key<int[]>("android.edge.availableEdgeModes", int[].class); 505 506 /** 507 * <p>Whether this camera device has a 508 * flash.</p> 509 * <p>If no flash, none of the flash controls do 510 * anything. All other metadata should return 0.</p> 511 */ 512 public static final Key<Boolean> FLASH_INFO_AVAILABLE = 513 new Key<Boolean>("android.flash.info.available", boolean.class); 514 515 /** 516 * <p>The set of hot pixel correction modes that are supported by this 517 * camera device.</p> 518 * <p>This tag lists valid modes for {@link CaptureRequest#HOT_PIXEL_MODE android.hotPixel.mode}.</p> 519 * <p>FULL mode camera devices will always support FAST.</p> 520 * 521 * @see CaptureRequest#HOT_PIXEL_MODE 522 */ 523 public static final Key<int[]> HOT_PIXEL_AVAILABLE_HOT_PIXEL_MODES = 524 new Key<int[]>("android.hotPixel.availableHotPixelModes", int[].class); 525 526 /** 527 * <p>Supported resolutions for the JPEG thumbnail.</p> 528 * <p>Below condiditions will be satisfied for this size list:</p> 529 * <ul> 530 * <li>The sizes will be sorted by increasing pixel area (width x height). 531 * If several resolutions have the same area, they will be sorted by increasing width.</li> 532 * <li>The aspect ratio of the largest thumbnail size will be same as the 533 * aspect ratio of largest JPEG output size in android.scaler.availableStreamConfigurations. 534 * The largest size is defined as the size that has the largest pixel area 535 * in a given size list.</li> 536 * <li>Each output JPEG size in android.scaler.availableStreamConfigurations will have at least 537 * one corresponding size that has the same aspect ratio in availableThumbnailSizes, 538 * and vice versa.</li> 539 * <li>All non (0, 0) sizes will have non-zero widths and heights.</li> 540 * </ul> 541 */ 542 public static final Key<android.util.Size[]> JPEG_AVAILABLE_THUMBNAIL_SIZES = 543 new Key<android.util.Size[]>("android.jpeg.availableThumbnailSizes", android.util.Size[].class); 544 545 /** 546 * <p>List of supported aperture 547 * values.</p> 548 * <p>If the camera device doesn't support variable apertures, 549 * listed value will be the fixed aperture.</p> 550 * <p>If the camera device supports variable apertures, the aperture value 551 * in this list will be sorted in ascending order.</p> 552 */ 553 public static final Key<float[]> LENS_INFO_AVAILABLE_APERTURES = 554 new Key<float[]>("android.lens.info.availableApertures", float[].class); 555 556 /** 557 * <p>List of supported neutral density filter values for 558 * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity}.</p> 559 * <p>If changing {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} is not supported, 560 * availableFilterDensities must contain only 0. Otherwise, this 561 * list contains only the exact filter density values available on 562 * this camera device.</p> 563 * 564 * @see CaptureRequest#LENS_FILTER_DENSITY 565 */ 566 public static final Key<float[]> LENS_INFO_AVAILABLE_FILTER_DENSITIES = 567 new Key<float[]>("android.lens.info.availableFilterDensities", float[].class); 568 569 /** 570 * <p>The available focal lengths for this device for use with 571 * {@link CaptureRequest#LENS_FOCAL_LENGTH android.lens.focalLength}.</p> 572 * <p>If optical zoom is not supported, this will only report 573 * a single value corresponding to the static focal length of the 574 * device. Otherwise, this will report every focal length supported 575 * by the device.</p> 576 * 577 * @see CaptureRequest#LENS_FOCAL_LENGTH 578 */ 579 public static final Key<float[]> LENS_INFO_AVAILABLE_FOCAL_LENGTHS = 580 new Key<float[]>("android.lens.info.availableFocalLengths", float[].class); 581 582 /** 583 * <p>List containing a subset of the optical image 584 * stabilization (OIS) modes specified in 585 * {@link CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE android.lens.opticalStabilizationMode}.</p> 586 * <p>If OIS is not implemented for a given camera device, this will 587 * contain only OFF.</p> 588 * 589 * @see CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE 590 */ 591 public static final Key<int[]> LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION = 592 new Key<int[]>("android.lens.info.availableOpticalStabilization", int[].class); 593 594 /** 595 * <p>Optional. Hyperfocal distance for this lens.</p> 596 * <p>If the lens is not fixed focus, the camera device will report this 597 * field when {@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} is APPROXIMATE or CALIBRATED.</p> 598 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 599 * 600 * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION 601 */ 602 public static final Key<Float> LENS_INFO_HYPERFOCAL_DISTANCE = 603 new Key<Float>("android.lens.info.hyperfocalDistance", float.class); 604 605 /** 606 * <p>Shortest distance from frontmost surface 607 * of the lens that can be focused correctly.</p> 608 * <p>If the lens is fixed-focus, this should be 609 * 0.</p> 610 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 611 */ 612 public static final Key<Float> LENS_INFO_MINIMUM_FOCUS_DISTANCE = 613 new Key<Float>("android.lens.info.minimumFocusDistance", float.class); 614 615 /** 616 * <p>Dimensions of lens shading map.</p> 617 * <p>The map should be on the order of 30-40 rows and columns, and 618 * must be smaller than 64x64.</p> 619 * @hide 620 */ 621 public static final Key<android.util.Size> LENS_INFO_SHADING_MAP_SIZE = 622 new Key<android.util.Size>("android.lens.info.shadingMapSize", android.util.Size.class); 623 624 /** 625 * <p>The lens focus distance calibration quality.</p> 626 * <p>The lens focus distance calibration quality determines the reliability of 627 * focus related metadata entries, i.e. {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance}, 628 * {@link CaptureResult#LENS_FOCUS_RANGE android.lens.focusRange}, {@link CameraCharacteristics#LENS_INFO_HYPERFOCAL_DISTANCE android.lens.info.hyperfocalDistance}, and 629 * {@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance}.</p> 630 * 631 * @see CaptureRequest#LENS_FOCUS_DISTANCE 632 * @see CaptureResult#LENS_FOCUS_RANGE 633 * @see CameraCharacteristics#LENS_INFO_HYPERFOCAL_DISTANCE 634 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 635 * @see #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED 636 * @see #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_APPROXIMATE 637 * @see #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_CALIBRATED 638 */ 639 public static final Key<Integer> LENS_INFO_FOCUS_DISTANCE_CALIBRATION = 640 new Key<Integer>("android.lens.info.focusDistanceCalibration", int.class); 641 642 /** 643 * <p>Direction the camera faces relative to 644 * device screen.</p> 645 * @see #LENS_FACING_FRONT 646 * @see #LENS_FACING_BACK 647 */ 648 public static final Key<Integer> LENS_FACING = 649 new Key<Integer>("android.lens.facing", int.class); 650 651 /** 652 * <p>The set of noise reduction modes supported by this camera device.</p> 653 * <p>This tag lists the valid modes for {@link CaptureRequest#NOISE_REDUCTION_MODE android.noiseReduction.mode}.</p> 654 * <p>Full-capability camera devices must always support OFF and FAST.</p> 655 * 656 * @see CaptureRequest#NOISE_REDUCTION_MODE 657 */ 658 public static final Key<int[]> NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES = 659 new Key<int[]>("android.noiseReduction.availableNoiseReductionModes", int[].class); 660 661 /** 662 * <p>If set to 1, the HAL will always split result 663 * metadata for a single capture into multiple buffers, 664 * returned using multiple process_capture_result calls.</p> 665 * <p>Does not need to be listed in static 666 * metadata. Support for partial results will be reworked in 667 * future versions of camera service. This quirk will stop 668 * working at that point; DO NOT USE without careful 669 * consideration of future support.</p> 670 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 671 * @deprecated 672 * @hide 673 */ 674 @Deprecated 675 public static final Key<Byte> QUIRKS_USE_PARTIAL_RESULT = 676 new Key<Byte>("android.quirks.usePartialResult", byte.class); 677 678 /** 679 * <p>The maximum numbers of different types of output streams 680 * that can be configured and used simultaneously by a camera device.</p> 681 * <p>This is a 3 element tuple that contains the max number of output simultaneous 682 * streams for raw sensor, processed (but not stalling), and processed (and stalling) 683 * formats respectively. For example, assuming that JPEG is typically a processed and 684 * stalling stream, if max raw sensor format output stream number is 1, max YUV streams 685 * number is 3, and max JPEG stream number is 2, then this tuple should be <code>(1, 3, 2)</code>.</p> 686 * <p>This lists the upper bound of the number of output streams supported by 687 * the camera device. Using more streams simultaneously may require more hardware and 688 * CPU resources that will consume more power. The image format for an output stream can 689 * be any supported format provided by android.scaler.availableStreamConfigurations. 690 * The formats defined in android.scaler.availableStreamConfigurations can be catergorized 691 * into the 3 stream types as below:</p> 692 * <ul> 693 * <li>Processed (but stalling): any non-RAW format with a stallDurations > 0. 694 * Typically JPEG format (ImageFormat#JPEG).</li> 695 * <li>Raw formats: ImageFormat#RAW_SENSOR, ImageFormat#RAW10 and ImageFormat#RAW_OPAQUE.</li> 696 * <li>Processed (but not-stalling): any non-RAW format without a stall duration. 697 * Typically ImageFormat#YUV_420_888, ImageFormat#NV21, ImageFormat#YV12.</li> 698 * </ul> 699 * @hide 700 */ 701 public static final Key<int[]> REQUEST_MAX_NUM_OUTPUT_STREAMS = 702 new Key<int[]>("android.request.maxNumOutputStreams", int[].class); 703 704 /** 705 * <p>The maximum numbers of different types of output streams 706 * that can be configured and used simultaneously by a camera device 707 * for any <code>RAW</code> formats.</p> 708 * <p>This value contains the max number of output simultaneous 709 * streams from the raw sensor.</p> 710 * <p>This lists the upper bound of the number of output streams supported by 711 * the camera device. Using more streams simultaneously may require more hardware and 712 * CPU resources that will consume more power. The image format for this kind of an output stream can 713 * be any <code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p> 714 * <p>In particular, a <code>RAW</code> format is typically one of:</p> 715 * <ul> 716 * <li>ImageFormat#RAW_SENSOR</li> 717 * <li>ImageFormat#RAW10</li> 718 * <li>Opaque <code>RAW</code></li> 719 * </ul> 720 * 721 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 722 */ 723 public static final Key<Integer> REQUEST_MAX_NUM_OUTPUT_RAW = 724 new Key<Integer>("android.request.maxNumOutputRaw", int.class); 725 726 /** 727 * <p>The maximum numbers of different types of output streams 728 * that can be configured and used simultaneously by a camera device 729 * for any processed (but not-stalling) formats.</p> 730 * <p>This value contains the max number of output simultaneous 731 * streams for any processed (but not-stalling) formats.</p> 732 * <p>This lists the upper bound of the number of output streams supported by 733 * the camera device. Using more streams simultaneously may require more hardware and 734 * CPU resources that will consume more power. The image format for this kind of an output stream can 735 * be any non-<code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p> 736 * <p>Processed (but not-stalling) is defined as any non-RAW format without a stall duration. 737 * Typically:</p> 738 * <ul> 739 * <li>ImageFormat#YUV_420_888</li> 740 * <li>ImageFormat#NV21</li> 741 * <li>ImageFormat#YV12</li> 742 * <li>Implementation-defined formats, i.e. StreamConfiguration#isOutputSupportedFor(Class)</li> 743 * </ul> 744 * <p>For full guarantees, query StreamConfigurationMap#getOutputStallDuration with 745 * a processed format -- it will return 0 for a non-stalling stream.</p> 746 * 747 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 748 */ 749 public static final Key<Integer> REQUEST_MAX_NUM_OUTPUT_PROC = 750 new Key<Integer>("android.request.maxNumOutputProc", int.class); 751 752 /** 753 * <p>The maximum numbers of different types of output streams 754 * that can be configured and used simultaneously by a camera device 755 * for any processed (and stalling) formats.</p> 756 * <p>This value contains the max number of output simultaneous 757 * streams for any processed (but not-stalling) formats.</p> 758 * <p>This lists the upper bound of the number of output streams supported by 759 * the camera device. Using more streams simultaneously may require more hardware and 760 * CPU resources that will consume more power. The image format for this kind of an output stream can 761 * be any non-<code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p> 762 * <p>A processed and stalling format is defined as any non-RAW format with a stallDurations > 0. 763 * Typically only the <code>JPEG</code> format (ImageFormat#JPEG)</p> 764 * <p>For full guarantees, query StreamConfigurationMap#getOutputStallDuration with 765 * a processed format -- it will return a non-0 value for a stalling stream.</p> 766 * 767 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 768 */ 769 public static final Key<Integer> REQUEST_MAX_NUM_OUTPUT_PROC_STALLING = 770 new Key<Integer>("android.request.maxNumOutputProcStalling", int.class); 771 772 /** 773 * <p>The maximum numbers of any type of input streams 774 * that can be configured and used simultaneously by a camera device.</p> 775 * <p>When set to 0, it means no input stream is supported.</p> 776 * <p>The image format for a input stream can be any supported 777 * format provided by 778 * android.scaler.availableInputOutputFormatsMap. When using an 779 * input stream, there must be at least one output stream 780 * configured to to receive the reprocessed images.</p> 781 * <p>For example, for Zero Shutter Lag (ZSL) still capture use case, the input 782 * stream image format will be RAW_OPAQUE, the associated output stream image format 783 * should be JPEG.</p> 784 * @hide 785 */ 786 public static final Key<Integer> REQUEST_MAX_NUM_INPUT_STREAMS = 787 new Key<Integer>("android.request.maxNumInputStreams", int.class); 788 789 /** 790 * <p>Specifies the number of maximum pipeline stages a frame 791 * has to go through from when it's exposed to when it's available 792 * to the framework.</p> 793 * <p>A typical minimum value for this is 2 (one stage to expose, 794 * one stage to readout) from the sensor. The ISP then usually adds 795 * its own stages to do custom HW processing. Further stages may be 796 * added by SW processing.</p> 797 * <p>Depending on what settings are used (e.g. YUV, JPEG) and what 798 * processing is enabled (e.g. face detection), the actual pipeline 799 * depth (specified by {@link CaptureResult#REQUEST_PIPELINE_DEPTH android.request.pipelineDepth}) may be less than 800 * the max pipeline depth.</p> 801 * <p>A pipeline depth of X stages is equivalent to a pipeline latency of 802 * X frame intervals.</p> 803 * <p>This value will be 8 or less.</p> 804 * 805 * @see CaptureResult#REQUEST_PIPELINE_DEPTH 806 */ 807 public static final Key<Byte> REQUEST_PIPELINE_MAX_DEPTH = 808 new Key<Byte>("android.request.pipelineMaxDepth", byte.class); 809 810 /** 811 * <p>Defines how many sub-components 812 * a result will be composed of.</p> 813 * <p>In order to combat the pipeline latency, partial results 814 * may be delivered to the application layer from the camera device as 815 * soon as they are available.</p> 816 * <p>Optional; defaults to 1. A value of 1 means that partial 817 * results are not supported, and only the final TotalCaptureResult will 818 * be produced by the camera device.</p> 819 * <p>A typical use case for this might be: after requesting an 820 * auto-focus (AF) lock the new AF state might be available 50% 821 * of the way through the pipeline. The camera device could 822 * then immediately dispatch this state via a partial result to 823 * the application, and the rest of the metadata via later 824 * partial results.</p> 825 */ 826 public static final Key<Integer> REQUEST_PARTIAL_RESULT_COUNT = 827 new Key<Integer>("android.request.partialResultCount", int.class); 828 829 /** 830 * <p>List of capabilities that the camera device 831 * advertises as fully supporting.</p> 832 * <p>A capability is a contract that the camera device makes in order 833 * to be able to satisfy one or more use cases.</p> 834 * <p>Listing a capability guarantees that the whole set of features 835 * required to support a common use will all be available.</p> 836 * <p>Using a subset of the functionality provided by an unsupported 837 * capability may be possible on a specific camera device implementation; 838 * to do this query each of android.request.availableRequestKeys, 839 * android.request.availableResultKeys, 840 * android.request.availableCharacteristicsKeys.</p> 841 * <p>The following capabilities are guaranteed to be available on 842 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} <code>==</code> FULL devices:</p> 843 * <ul> 844 * <li>MANUAL_SENSOR</li> 845 * <li>MANUAL_POST_PROCESSING</li> 846 * </ul> 847 * <p>Other capabilities may be available on either FULL or LIMITED 848 * devices, but the application should query this field to be sure.</p> 849 * 850 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 851 * @see #REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR 852 * @see #REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING 853 * @see #REQUEST_AVAILABLE_CAPABILITIES_DNG 854 */ 855 public static final Key<int[]> REQUEST_AVAILABLE_CAPABILITIES = 856 new Key<int[]>("android.request.availableCapabilities", int[].class); 857 858 /** 859 * <p>A list of all keys that the camera device has available 860 * to use with CaptureRequest.</p> 861 * <p>Attempting to set a key into a CaptureRequest that is not 862 * listed here will result in an invalid request and will be rejected 863 * by the camera device.</p> 864 * <p>This field can be used to query the feature set of a camera device 865 * at a more granular level than capabilities. This is especially 866 * important for optional keys that are not listed under any capability 867 * in {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}.</p> 868 * 869 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 870 * @hide 871 */ 872 public static final Key<int[]> REQUEST_AVAILABLE_REQUEST_KEYS = 873 new Key<int[]>("android.request.availableRequestKeys", int[].class); 874 875 /** 876 * <p>A list of all keys that the camera device has available 877 * to use with CaptureResult.</p> 878 * <p>Attempting to get a key from a CaptureResult that is not 879 * listed here will always return a <code>null</code> value. Getting a key from 880 * a CaptureResult that is listed here must never return a <code>null</code> 881 * value.</p> 882 * <p>The following keys may return <code>null</code> unless they are enabled:</p> 883 * <ul> 884 * <li>android.statistics.lensShadingMap (non-null iff {@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode} == ON)</li> 885 * </ul> 886 * <p>(Those sometimes-null keys should nevertheless be listed here 887 * if they are available.)</p> 888 * <p>This field can be used to query the feature set of a camera device 889 * at a more granular level than capabilities. This is especially 890 * important for optional keys that are not listed under any capability 891 * in {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}.</p> 892 * 893 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 894 * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE 895 * @hide 896 */ 897 public static final Key<int[]> REQUEST_AVAILABLE_RESULT_KEYS = 898 new Key<int[]>("android.request.availableResultKeys", int[].class); 899 900 /** 901 * <p>A list of all keys that the camera device has available 902 * to use with CameraCharacteristics.</p> 903 * <p>This entry follows the same rules as 904 * android.request.availableResultKeys (except that it applies for 905 * CameraCharacteristics instead of CaptureResult). See above for more 906 * details.</p> 907 * @hide 908 */ 909 public static final Key<int[]> REQUEST_AVAILABLE_CHARACTERISTICS_KEYS = 910 new Key<int[]>("android.request.availableCharacteristicsKeys", int[].class); 911 912 /** 913 * <p>The list of image formats that are supported by this 914 * camera device for output streams.</p> 915 * <p>All camera devices will support JPEG and YUV_420_888 formats.</p> 916 * <p>When set to YUV_420_888, application can access the YUV420 data directly.</p> 917 * @deprecated 918 * @hide 919 */ 920 @Deprecated 921 public static final Key<int[]> SCALER_AVAILABLE_FORMATS = 922 new Key<int[]>("android.scaler.availableFormats", int[].class); 923 924 /** 925 * <p>The minimum frame duration that is supported 926 * for each resolution in android.scaler.availableJpegSizes.</p> 927 * <p>This corresponds to the minimum steady-state frame duration when only 928 * that JPEG stream is active and captured in a burst, with all 929 * processing (typically in android.*.mode) set to FAST.</p> 930 * <p>When multiple streams are configured, the minimum 931 * frame duration will be >= max(individual stream min 932 * durations)</p> 933 * @deprecated 934 * @hide 935 */ 936 @Deprecated 937 public static final Key<long[]> SCALER_AVAILABLE_JPEG_MIN_DURATIONS = 938 new Key<long[]>("android.scaler.availableJpegMinDurations", long[].class); 939 940 /** 941 * <p>The JPEG resolutions that are supported by this camera device.</p> 942 * <p>The resolutions are listed as <code>(width, height)</code> pairs. All camera devices will support 943 * sensor maximum resolution (defined by {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}).</p> 944 * 945 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 946 * @deprecated 947 * @hide 948 */ 949 @Deprecated 950 public static final Key<android.util.Size[]> SCALER_AVAILABLE_JPEG_SIZES = 951 new Key<android.util.Size[]>("android.scaler.availableJpegSizes", android.util.Size[].class); 952 953 /** 954 * <p>The maximum ratio between both active area width 955 * and crop region width, and active area height and 956 * crop region height.</p> 957 * <p>This represents the maximum amount of zooming possible by 958 * the camera device, or equivalently, the minimum cropping 959 * window size.</p> 960 * <p>Crop regions that have a width or height that is smaller 961 * than this ratio allows will be rounded up to the minimum 962 * allowed size by the camera device.</p> 963 */ 964 public static final Key<Float> SCALER_AVAILABLE_MAX_DIGITAL_ZOOM = 965 new Key<Float>("android.scaler.availableMaxDigitalZoom", float.class); 966 967 /** 968 * <p>For each available processed output size (defined in 969 * android.scaler.availableProcessedSizes), this property lists the 970 * minimum supportable frame duration for that size.</p> 971 * <p>This should correspond to the frame duration when only that processed 972 * stream is active, with all processing (typically in android.*.mode) 973 * set to FAST.</p> 974 * <p>When multiple streams are configured, the minimum frame duration will 975 * be >= max(individual stream min durations).</p> 976 * @deprecated 977 * @hide 978 */ 979 @Deprecated 980 public static final Key<long[]> SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS = 981 new Key<long[]>("android.scaler.availableProcessedMinDurations", long[].class); 982 983 /** 984 * <p>The resolutions available for use with 985 * processed output streams, such as YV12, NV12, and 986 * platform opaque YUV/RGB streams to the GPU or video 987 * encoders.</p> 988 * <p>The resolutions are listed as <code>(width, height)</code> pairs.</p> 989 * <p>For a given use case, the actual maximum supported resolution 990 * may be lower than what is listed here, depending on the destination 991 * Surface for the image data. For example, for recording video, 992 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 993 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 994 * can provide.</p> 995 * <p>Please reference the documentation for the image data destination to 996 * check if it limits the maximum size for image data.</p> 997 * @deprecated 998 * @hide 999 */ 1000 @Deprecated 1001 public static final Key<android.util.Size[]> SCALER_AVAILABLE_PROCESSED_SIZES = 1002 new Key<android.util.Size[]>("android.scaler.availableProcessedSizes", android.util.Size[].class); 1003 1004 /** 1005 * <p>The mapping of image formats that are supported by this 1006 * camera device for input streams, to their corresponding output formats.</p> 1007 * <p>All camera devices with at least 1 1008 * android.request.maxNumInputStreams will have at least one 1009 * available input format.</p> 1010 * <p>The camera device will support the following map of formats, 1011 * if its dependent capability is supported:</p> 1012 * <table> 1013 * <thead> 1014 * <tr> 1015 * <th align="left">Input Format</th> 1016 * <th align="left">Output Format</th> 1017 * <th align="left">Capability</th> 1018 * </tr> 1019 * </thead> 1020 * <tbody> 1021 * <tr> 1022 * <td align="left">RAW_OPAQUE</td> 1023 * <td align="left">JPEG</td> 1024 * <td align="left">ZSL</td> 1025 * </tr> 1026 * <tr> 1027 * <td align="left">RAW_OPAQUE</td> 1028 * <td align="left">YUV_420_888</td> 1029 * <td align="left">ZSL</td> 1030 * </tr> 1031 * <tr> 1032 * <td align="left">RAW_OPAQUE</td> 1033 * <td align="left">RAW16</td> 1034 * <td align="left">DNG</td> 1035 * </tr> 1036 * <tr> 1037 * <td align="left">RAW16</td> 1038 * <td align="left">YUV_420_888</td> 1039 * <td align="left">DNG</td> 1040 * </tr> 1041 * <tr> 1042 * <td align="left">RAW16</td> 1043 * <td align="left">JPEG</td> 1044 * <td align="left">DNG</td> 1045 * </tr> 1046 * </tbody> 1047 * </table> 1048 * <p>For ZSL-capable camera devices, using the RAW_OPAQUE format 1049 * as either input or output will never hurt maximum frame rate (i.e. 1050 * StreamConfigurationMap#getOutputStallDuration(int,Size) 1051 * for a <code>format =</code> RAW_OPAQUE is always 0).</p> 1052 * <p>Attempting to configure an input stream with output streams not 1053 * listed as available in this map is not valid.</p> 1054 * <p>TODO: typedef to ReprocessFormatMap</p> 1055 * @hide 1056 */ 1057 public static final Key<int[]> SCALER_AVAILABLE_INPUT_OUTPUT_FORMATS_MAP = 1058 new Key<int[]>("android.scaler.availableInputOutputFormatsMap", int[].class); 1059 1060 /** 1061 * <p>The available stream configurations that this 1062 * camera device supports 1063 * (i.e. format, width, height, output/input stream).</p> 1064 * <p>The configurations are listed as <code>(format, width, height, input?)</code> 1065 * tuples.</p> 1066 * <p>For a given use case, the actual maximum supported resolution 1067 * may be lower than what is listed here, depending on the destination 1068 * Surface for the image data. For example, for recording video, 1069 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 1070 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 1071 * can provide.</p> 1072 * <p>Please reference the documentation for the image data destination to 1073 * check if it limits the maximum size for image data.</p> 1074 * <p>Not all output formats may be supported in a configuration with 1075 * an input stream of a particular format. For more details, see 1076 * android.scaler.availableInputOutputFormatsMap.</p> 1077 * <p>The following table describes the minimum required output stream 1078 * configurations based on the hardware level 1079 * ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel}):</p> 1080 * <table> 1081 * <thead> 1082 * <tr> 1083 * <th align="center">Format</th> 1084 * <th align="center">Size</th> 1085 * <th align="center">Hardware Level</th> 1086 * <th align="center">Notes</th> 1087 * </tr> 1088 * </thead> 1089 * <tbody> 1090 * <tr> 1091 * <td align="center">JPEG</td> 1092 * <td align="center">{@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</td> 1093 * <td align="center">Any</td> 1094 * <td align="center"></td> 1095 * </tr> 1096 * <tr> 1097 * <td align="center">JPEG</td> 1098 * <td align="center">1920x1080 (1080p)</td> 1099 * <td align="center">Any</td> 1100 * <td align="center">if 1080p <= activeArraySize</td> 1101 * </tr> 1102 * <tr> 1103 * <td align="center">JPEG</td> 1104 * <td align="center">1280x720 (720)</td> 1105 * <td align="center">Any</td> 1106 * <td align="center">if 720p <= activeArraySize</td> 1107 * </tr> 1108 * <tr> 1109 * <td align="center">JPEG</td> 1110 * <td align="center">640x480 (480p)</td> 1111 * <td align="center">Any</td> 1112 * <td align="center">if 480p <= activeArraySize</td> 1113 * </tr> 1114 * <tr> 1115 * <td align="center">JPEG</td> 1116 * <td align="center">320x240 (240p)</td> 1117 * <td align="center">Any</td> 1118 * <td align="center">if 240p <= activeArraySize</td> 1119 * </tr> 1120 * <tr> 1121 * <td align="center">YUV_420_888</td> 1122 * <td align="center">all output sizes available for JPEG</td> 1123 * <td align="center">FULL</td> 1124 * <td align="center"></td> 1125 * </tr> 1126 * <tr> 1127 * <td align="center">YUV_420_888</td> 1128 * <td align="center">all output sizes available for JPEG, up to the maximum video size</td> 1129 * <td align="center">LIMITED</td> 1130 * <td align="center"></td> 1131 * </tr> 1132 * <tr> 1133 * <td align="center">IMPLEMENTATION_DEFINED</td> 1134 * <td align="center">same as YUV_420_888</td> 1135 * <td align="center">Any</td> 1136 * <td align="center"></td> 1137 * </tr> 1138 * </tbody> 1139 * </table> 1140 * <p>Refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} for additional 1141 * mandatory stream configurations on a per-capability basis.</p> 1142 * 1143 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1144 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1145 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1146 * @hide 1147 */ 1148 public static final Key<android.hardware.camera2.params.StreamConfiguration[]> SCALER_AVAILABLE_STREAM_CONFIGURATIONS = 1149 new Key<android.hardware.camera2.params.StreamConfiguration[]>("android.scaler.availableStreamConfigurations", android.hardware.camera2.params.StreamConfiguration[].class); 1150 1151 /** 1152 * <p>This lists the minimum frame duration for each 1153 * format/size combination.</p> 1154 * <p>This should correspond to the frame duration when only that 1155 * stream is active, with all processing (typically in android.*.mode) 1156 * set to either OFF or FAST.</p> 1157 * <p>When multiple streams are used in a request, the minimum frame 1158 * duration will be max(individual stream min durations).</p> 1159 * <p>The minimum frame duration of a stream (of a particular format, size) 1160 * is the same regardless of whether the stream is input or output.</p> 1161 * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} and 1162 * android.scaler.availableStallDurations for more details about 1163 * calculating the max frame rate.</p> 1164 * <p>(Keep in sync with 1165 * StreamConfigurationMap#getOutputMinFrameDuration)</p> 1166 * 1167 * @see CaptureRequest#SENSOR_FRAME_DURATION 1168 * @hide 1169 */ 1170 public static final Key<android.hardware.camera2.params.StreamConfigurationDuration[]> SCALER_AVAILABLE_MIN_FRAME_DURATIONS = 1171 new Key<android.hardware.camera2.params.StreamConfigurationDuration[]>("android.scaler.availableMinFrameDurations", android.hardware.camera2.params.StreamConfigurationDuration[].class); 1172 1173 /** 1174 * <p>This lists the maximum stall duration for each 1175 * format/size combination.</p> 1176 * <p>A stall duration is how much extra time would get added 1177 * to the normal minimum frame duration for a repeating request 1178 * that has streams with non-zero stall.</p> 1179 * <p>For example, consider JPEG captures which have the following 1180 * characteristics:</p> 1181 * <ul> 1182 * <li>JPEG streams act like processed YUV streams in requests for which 1183 * they are not included; in requests in which they are directly 1184 * referenced, they act as JPEG streams. This is because supporting a 1185 * JPEG stream requires the underlying YUV data to always be ready for 1186 * use by a JPEG encoder, but the encoder will only be used (and impact 1187 * frame duration) on requests that actually reference a JPEG stream.</li> 1188 * <li>The JPEG processor can run concurrently to the rest of the camera 1189 * pipeline, but cannot process more than 1 capture at a time.</li> 1190 * </ul> 1191 * <p>In other words, using a repeating YUV request would result 1192 * in a steady frame rate (let's say it's 30 FPS). If a single 1193 * JPEG request is submitted periodically, the frame rate will stay 1194 * at 30 FPS (as long as we wait for the previous JPEG to return each 1195 * time). If we try to submit a repeating YUV + JPEG request, then 1196 * the frame rate will drop from 30 FPS.</p> 1197 * <p>In general, submitting a new request with a non-0 stall time 1198 * stream will <em>not</em> cause a frame rate drop unless there are still 1199 * outstanding buffers for that stream from previous requests.</p> 1200 * <p>Submitting a repeating request with streams (call this <code>S</code>) 1201 * is the same as setting the minimum frame duration from 1202 * the normal minimum frame duration corresponding to <code>S</code>, added with 1203 * the maximum stall duration for <code>S</code>.</p> 1204 * <p>If interleaving requests with and without a stall duration, 1205 * a request will stall by the maximum of the remaining times 1206 * for each can-stall stream with outstanding buffers.</p> 1207 * <p>This means that a stalling request will not have an exposure start 1208 * until the stall has completed.</p> 1209 * <p>This should correspond to the stall duration when only that stream is 1210 * active, with all processing (typically in android.*.mode) set to FAST 1211 * or OFF. Setting any of the processing modes to HIGH_QUALITY 1212 * effectively results in an indeterminate stall duration for all 1213 * streams in a request (the regular stall calculation rules are 1214 * ignored).</p> 1215 * <p>The following formats may always have a stall duration:</p> 1216 * <ul> 1217 * <li>ImageFormat#JPEG</li> 1218 * <li>ImageFormat#RAW_SENSOR</li> 1219 * </ul> 1220 * <p>The following formats will never have a stall duration:</p> 1221 * <ul> 1222 * <li>ImageFormat#YUV_420_888</li> 1223 * </ul> 1224 * <p>All other formats may or may not have an allowed stall duration on 1225 * a per-capability basis; refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} 1226 * for more details.</p> 1227 * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} for more information about 1228 * calculating the max frame rate (absent stalls).</p> 1229 * <p>(Keep up to date with 1230 * StreamConfigurationMap#getOutputStallDuration(int, Size) )</p> 1231 * 1232 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1233 * @see CaptureRequest#SENSOR_FRAME_DURATION 1234 * @hide 1235 */ 1236 public static final Key<android.hardware.camera2.params.StreamConfigurationDuration[]> SCALER_AVAILABLE_STALL_DURATIONS = 1237 new Key<android.hardware.camera2.params.StreamConfigurationDuration[]>("android.scaler.availableStallDurations", android.hardware.camera2.params.StreamConfigurationDuration[].class); 1238 1239 /** 1240 * <p>The available stream configurations that this 1241 * camera device supports; also includes the minimum frame durations 1242 * and the stall durations for each format/size combination.</p> 1243 * <p>All camera devices will support sensor maximum resolution (defined by 1244 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}) for the JPEG format.</p> 1245 * <p>For a given use case, the actual maximum supported resolution 1246 * may be lower than what is listed here, depending on the destination 1247 * Surface for the image data. For example, for recording video, 1248 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 1249 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 1250 * can provide.</p> 1251 * <p>Please reference the documentation for the image data destination to 1252 * check if it limits the maximum size for image data.</p> 1253 * <p>The following table describes the minimum required output stream 1254 * configurations based on the hardware level 1255 * ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel}):</p> 1256 * <table> 1257 * <thead> 1258 * <tr> 1259 * <th align="center">Format</th> 1260 * <th align="center">Size</th> 1261 * <th align="center">Hardware Level</th> 1262 * <th align="center">Notes</th> 1263 * </tr> 1264 * </thead> 1265 * <tbody> 1266 * <tr> 1267 * <td align="center">JPEG</td> 1268 * <td align="center">{@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</td> 1269 * <td align="center">Any</td> 1270 * <td align="center"></td> 1271 * </tr> 1272 * <tr> 1273 * <td align="center">JPEG</td> 1274 * <td align="center">1920x1080 (1080p)</td> 1275 * <td align="center">Any</td> 1276 * <td align="center">if 1080p <= activeArraySize</td> 1277 * </tr> 1278 * <tr> 1279 * <td align="center">JPEG</td> 1280 * <td align="center">1280x720 (720)</td> 1281 * <td align="center">Any</td> 1282 * <td align="center">if 720p <= activeArraySize</td> 1283 * </tr> 1284 * <tr> 1285 * <td align="center">JPEG</td> 1286 * <td align="center">640x480 (480p)</td> 1287 * <td align="center">Any</td> 1288 * <td align="center">if 480p <= activeArraySize</td> 1289 * </tr> 1290 * <tr> 1291 * <td align="center">JPEG</td> 1292 * <td align="center">320x240 (240p)</td> 1293 * <td align="center">Any</td> 1294 * <td align="center">if 240p <= activeArraySize</td> 1295 * </tr> 1296 * <tr> 1297 * <td align="center">YUV_420_888</td> 1298 * <td align="center">all output sizes available for JPEG</td> 1299 * <td align="center">FULL</td> 1300 * <td align="center"></td> 1301 * </tr> 1302 * <tr> 1303 * <td align="center">YUV_420_888</td> 1304 * <td align="center">all output sizes available for JPEG, up to the maximum video size</td> 1305 * <td align="center">LIMITED</td> 1306 * <td align="center"></td> 1307 * </tr> 1308 * <tr> 1309 * <td align="center">IMPLEMENTATION_DEFINED</td> 1310 * <td align="center">same as YUV_420_888</td> 1311 * <td align="center">Any</td> 1312 * <td align="center"></td> 1313 * </tr> 1314 * </tbody> 1315 * </table> 1316 * <p>Refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} for additional 1317 * mandatory stream configurations on a per-capability basis.</p> 1318 * 1319 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1320 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1321 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1322 */ 1323 public static final Key<android.hardware.camera2.params.StreamConfigurationMap> SCALER_STREAM_CONFIGURATION_MAP = 1324 new Key<android.hardware.camera2.params.StreamConfigurationMap>("android.scaler.streamConfigurationMap", android.hardware.camera2.params.StreamConfigurationMap.class); 1325 1326 /** 1327 * <p>The crop type that this camera device supports.</p> 1328 * <p>When passing a non-centered crop region ({@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}) to a camera 1329 * device that only supports CENTER_ONLY cropping, the camera device will move the 1330 * crop region to the center of the sensor active array ({@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}) 1331 * and keep the crop region width and height unchanged. The camera device will return the 1332 * final used crop region in metadata result {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}.</p> 1333 * <p>Camera devices that support FREEFORM cropping will support any crop region that 1334 * is inside of the active array. The camera device will apply the same crop region and 1335 * return the final used crop region in capture result metadata {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}.</p> 1336 * <p>FULL capability devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} <code>==</code> FULL) will support 1337 * FREEFORM cropping.</p> 1338 * 1339 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1340 * @see CaptureRequest#SCALER_CROP_REGION 1341 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1342 * @see #SCALER_CROPPING_TYPE_CENTER_ONLY 1343 * @see #SCALER_CROPPING_TYPE_FREEFORM 1344 */ 1345 public static final Key<Integer> SCALER_CROPPING_TYPE = 1346 new Key<Integer>("android.scaler.croppingType", int.class); 1347 1348 /** 1349 * <p>Area of raw data which corresponds to only 1350 * active pixels.</p> 1351 * <p>It is smaller or equal to 1352 * sensor full pixel array, which could include the black calibration pixels.</p> 1353 */ 1354 public static final Key<android.graphics.Rect> SENSOR_INFO_ACTIVE_ARRAY_SIZE = 1355 new Key<android.graphics.Rect>("android.sensor.info.activeArraySize", android.graphics.Rect.class); 1356 1357 /** 1358 * <p>Range of valid sensitivities.</p> 1359 * <p>The minimum and maximum valid values for the 1360 * {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} control.</p> 1361 * <p>The values are the standard ISO sensitivity values, 1362 * as defined in ISO 12232:2006.</p> 1363 * 1364 * @see CaptureRequest#SENSOR_SENSITIVITY 1365 */ 1366 public static final Key<android.util.Range<Integer>> SENSOR_INFO_SENSITIVITY_RANGE = 1367 new Key<android.util.Range<Integer>>("android.sensor.info.sensitivityRange", new TypeReference<android.util.Range<Integer>>() {{ }}); 1368 1369 /** 1370 * <p>The arrangement of color filters on sensor; 1371 * represents the colors in the top-left 2x2 section of 1372 * the sensor, in reading order.</p> 1373 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB 1374 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG 1375 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG 1376 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR 1377 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGB 1378 */ 1379 public static final Key<Integer> SENSOR_INFO_COLOR_FILTER_ARRANGEMENT = 1380 new Key<Integer>("android.sensor.info.colorFilterArrangement", int.class); 1381 1382 /** 1383 * <p>Range of valid exposure 1384 * times used by {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime}.</p> 1385 * <p>The min value will be <= 100e3 (100 us). For FULL 1386 * capability devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == FULL), 1387 * max will be >= 100e6 (100ms)</p> 1388 * 1389 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1390 * @see CaptureRequest#SENSOR_EXPOSURE_TIME 1391 */ 1392 public static final Key<android.util.Range<Long>> SENSOR_INFO_EXPOSURE_TIME_RANGE = 1393 new Key<android.util.Range<Long>>("android.sensor.info.exposureTimeRange", new TypeReference<android.util.Range<Long>>() {{ }}); 1394 1395 /** 1396 * <p>Maximum possible frame duration (minimum frame 1397 * rate).</p> 1398 * <p>The largest possible {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} 1399 * that will be accepted by the camera device. Attempting to use 1400 * frame durations beyond the maximum will result in the frame duration 1401 * being clipped to the maximum. See that control 1402 * for a full definition of frame durations.</p> 1403 * <p>Refer to 1404 * StreamConfigurationMap#getOutputMinFrameDuration(int,Size) 1405 * for the minimum frame duration values.</p> 1406 * <p>For FULL capability devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == FULL), 1407 * max will be >= 100e6 (100ms).</p> 1408 * 1409 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1410 * @see CaptureRequest#SENSOR_FRAME_DURATION 1411 */ 1412 public static final Key<Long> SENSOR_INFO_MAX_FRAME_DURATION = 1413 new Key<Long>("android.sensor.info.maxFrameDuration", long.class); 1414 1415 /** 1416 * <p>The physical dimensions of the full pixel 1417 * array.</p> 1418 * <p>This is the physical size of the sensor pixel 1419 * array defined by {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}.</p> 1420 * 1421 * @see CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE 1422 */ 1423 public static final Key<android.util.SizeF> SENSOR_INFO_PHYSICAL_SIZE = 1424 new Key<android.util.SizeF>("android.sensor.info.physicalSize", android.util.SizeF.class); 1425 1426 /** 1427 * <p>Dimensions of full pixel array, possibly 1428 * including black calibration pixels.</p> 1429 * <p>The pixel count of the full pixel array, 1430 * which covers {@link CameraCharacteristics#SENSOR_INFO_PHYSICAL_SIZE android.sensor.info.physicalSize} area.</p> 1431 * <p>If a camera device supports raw sensor formats, either this 1432 * or {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize} is the maximum output 1433 * raw size listed in {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}. 1434 * If a size corresponding to pixelArraySize is listed, the resulting 1435 * raw sensor image will include black pixels.</p> 1436 * 1437 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 1438 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1439 * @see CameraCharacteristics#SENSOR_INFO_PHYSICAL_SIZE 1440 */ 1441 public static final Key<android.util.Size> SENSOR_INFO_PIXEL_ARRAY_SIZE = 1442 new Key<android.util.Size>("android.sensor.info.pixelArraySize", android.util.Size.class); 1443 1444 /** 1445 * <p>Maximum raw value output by sensor.</p> 1446 * <p>This specifies the fully-saturated encoding level for the raw 1447 * sample values from the sensor. This is typically caused by the 1448 * sensor becoming highly non-linear or clipping. The minimum for 1449 * each channel is specified by the offset in the 1450 * {@link CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN android.sensor.blackLevelPattern} tag.</p> 1451 * <p>The white level is typically determined either by sensor bit depth 1452 * (8-14 bits is expected), or by the point where the sensor response 1453 * becomes too non-linear to be useful. The default value for this is 1454 * maximum representable value for a 16-bit raw sample (2^16 - 1).</p> 1455 * 1456 * @see CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN 1457 */ 1458 public static final Key<Integer> SENSOR_INFO_WHITE_LEVEL = 1459 new Key<Integer>("android.sensor.info.whiteLevel", int.class); 1460 1461 /** 1462 * <p>The sensor timestamp calibration quality.</p> 1463 * <p>The sensor timestamp calibration quality determines the reliability of 1464 * {@link CaptureResult#SENSOR_TIMESTAMP android.sensor.timestamp} provided by the camera device.</p> 1465 * 1466 * @see CaptureResult#SENSOR_TIMESTAMP 1467 * @see #SENSOR_INFO_TIMESTAMP_CALIBRATION_UNCALIBRATED 1468 * @see #SENSOR_INFO_TIMESTAMP_CALIBRATION_CALIBRATED 1469 */ 1470 public static final Key<Integer> SENSOR_INFO_TIMESTAMP_CALIBRATION = 1471 new Key<Integer>("android.sensor.info.timestampCalibration", int.class); 1472 1473 /** 1474 * <p>The standard reference illuminant used as the scene light source when 1475 * calculating the {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM1 android.sensor.colorTransform1}, 1476 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM1 android.sensor.calibrationTransform1}, and 1477 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX1 android.sensor.forwardMatrix1} matrices.</p> 1478 * <p>The values in this tag correspond to the values defined for the 1479 * EXIF LightSource tag. These illuminants are standard light sources 1480 * that are often used calibrating camera devices.</p> 1481 * <p>If this tag is present, then {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM1 android.sensor.colorTransform1}, 1482 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM1 android.sensor.calibrationTransform1}, and 1483 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX1 android.sensor.forwardMatrix1} will also be present.</p> 1484 * <p>Some devices may choose to provide a second set of calibration 1485 * information for improved quality, including 1486 * {@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2} and its corresponding matrices.</p> 1487 * 1488 * @see CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM1 1489 * @see CameraCharacteristics#SENSOR_COLOR_TRANSFORM1 1490 * @see CameraCharacteristics#SENSOR_FORWARD_MATRIX1 1491 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 1492 * @see #SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT 1493 * @see #SENSOR_REFERENCE_ILLUMINANT1_FLUORESCENT 1494 * @see #SENSOR_REFERENCE_ILLUMINANT1_TUNGSTEN 1495 * @see #SENSOR_REFERENCE_ILLUMINANT1_FLASH 1496 * @see #SENSOR_REFERENCE_ILLUMINANT1_FINE_WEATHER 1497 * @see #SENSOR_REFERENCE_ILLUMINANT1_CLOUDY_WEATHER 1498 * @see #SENSOR_REFERENCE_ILLUMINANT1_SHADE 1499 * @see #SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT_FLUORESCENT 1500 * @see #SENSOR_REFERENCE_ILLUMINANT1_DAY_WHITE_FLUORESCENT 1501 * @see #SENSOR_REFERENCE_ILLUMINANT1_COOL_WHITE_FLUORESCENT 1502 * @see #SENSOR_REFERENCE_ILLUMINANT1_WHITE_FLUORESCENT 1503 * @see #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_A 1504 * @see #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_B 1505 * @see #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_C 1506 * @see #SENSOR_REFERENCE_ILLUMINANT1_D55 1507 * @see #SENSOR_REFERENCE_ILLUMINANT1_D65 1508 * @see #SENSOR_REFERENCE_ILLUMINANT1_D75 1509 * @see #SENSOR_REFERENCE_ILLUMINANT1_D50 1510 * @see #SENSOR_REFERENCE_ILLUMINANT1_ISO_STUDIO_TUNGSTEN 1511 */ 1512 public static final Key<Integer> SENSOR_REFERENCE_ILLUMINANT1 = 1513 new Key<Integer>("android.sensor.referenceIlluminant1", int.class); 1514 1515 /** 1516 * <p>The standard reference illuminant used as the scene light source when 1517 * calculating the {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM2 android.sensor.colorTransform2}, 1518 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM2 android.sensor.calibrationTransform2}, and 1519 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX2 android.sensor.forwardMatrix2} matrices.</p> 1520 * <p>See {@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1} for more details. 1521 * Valid values for this are the same as those given for the first 1522 * reference illuminant.</p> 1523 * <p>If this tag is present, then {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM2 android.sensor.colorTransform2}, 1524 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM2 android.sensor.calibrationTransform2}, and 1525 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX2 android.sensor.forwardMatrix2} will also be present.</p> 1526 * 1527 * @see CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM2 1528 * @see CameraCharacteristics#SENSOR_COLOR_TRANSFORM2 1529 * @see CameraCharacteristics#SENSOR_FORWARD_MATRIX2 1530 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 1531 */ 1532 public static final Key<Byte> SENSOR_REFERENCE_ILLUMINANT2 = 1533 new Key<Byte>("android.sensor.referenceIlluminant2", byte.class); 1534 1535 /** 1536 * <p>A per-device calibration transform matrix that maps from the 1537 * reference sensor colorspace to the actual device sensor colorspace.</p> 1538 * <p>This matrix is used to correct for per-device variations in the 1539 * sensor colorspace, and is used for processing raw buffer data.</p> 1540 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 1541 * contains a per-device calibration transform that maps colors 1542 * from reference sensor color space (i.e. the "golden module" 1543 * colorspace) into this camera device's native sensor color 1544 * space under the first reference illuminant 1545 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}).</p> 1546 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1547 * 1548 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 1549 */ 1550 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_CALIBRATION_TRANSFORM1 = 1551 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.calibrationTransform1", android.hardware.camera2.params.ColorSpaceTransform.class); 1552 1553 /** 1554 * <p>A per-device calibration transform matrix that maps from the 1555 * reference sensor colorspace to the actual device sensor colorspace 1556 * (this is the colorspace of the raw buffer data).</p> 1557 * <p>This matrix is used to correct for per-device variations in the 1558 * sensor colorspace, and is used for processing raw buffer data.</p> 1559 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 1560 * contains a per-device calibration transform that maps colors 1561 * from reference sensor color space (i.e. the "golden module" 1562 * colorspace) into this camera device's native sensor color 1563 * space under the second reference illuminant 1564 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2}).</p> 1565 * <p>This matrix will only be present if the second reference 1566 * illuminant is present.</p> 1567 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1568 * 1569 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 1570 */ 1571 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_CALIBRATION_TRANSFORM2 = 1572 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.calibrationTransform2", android.hardware.camera2.params.ColorSpaceTransform.class); 1573 1574 /** 1575 * <p>A matrix that transforms color values from CIE XYZ color space to 1576 * reference sensor color space.</p> 1577 * <p>This matrix is used to convert from the standard CIE XYZ color 1578 * space to the reference sensor colorspace, and is used when processing 1579 * raw buffer data.</p> 1580 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 1581 * contains a color transform matrix that maps colors from the CIE 1582 * XYZ color space to the reference sensor color space (i.e. the 1583 * "golden module" colorspace) under the first reference illuminant 1584 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}).</p> 1585 * <p>The white points chosen in both the reference sensor color space 1586 * and the CIE XYZ colorspace when calculating this transform will 1587 * match the standard white point for the first reference illuminant 1588 * (i.e. no chromatic adaptation will be applied by this transform).</p> 1589 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1590 * 1591 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 1592 */ 1593 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_COLOR_TRANSFORM1 = 1594 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.colorTransform1", android.hardware.camera2.params.ColorSpaceTransform.class); 1595 1596 /** 1597 * <p>A matrix that transforms color values from CIE XYZ color space to 1598 * reference sensor color space.</p> 1599 * <p>This matrix is used to convert from the standard CIE XYZ color 1600 * space to the reference sensor colorspace, and is used when processing 1601 * raw buffer data.</p> 1602 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 1603 * contains a color transform matrix that maps colors from the CIE 1604 * XYZ color space to the reference sensor color space (i.e. the 1605 * "golden module" colorspace) under the second reference illuminant 1606 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2}).</p> 1607 * <p>The white points chosen in both the reference sensor color space 1608 * and the CIE XYZ colorspace when calculating this transform will 1609 * match the standard white point for the second reference illuminant 1610 * (i.e. no chromatic adaptation will be applied by this transform).</p> 1611 * <p>This matrix will only be present if the second reference 1612 * illuminant is present.</p> 1613 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1614 * 1615 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 1616 */ 1617 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_COLOR_TRANSFORM2 = 1618 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.colorTransform2", android.hardware.camera2.params.ColorSpaceTransform.class); 1619 1620 /** 1621 * <p>A matrix that transforms white balanced camera colors from the reference 1622 * sensor colorspace to the CIE XYZ colorspace with a D50 whitepoint.</p> 1623 * <p>This matrix is used to convert to the standard CIE XYZ colorspace, and 1624 * is used when processing raw buffer data.</p> 1625 * <p>This matrix is expressed as a 3x3 matrix in row-major-order, and contains 1626 * a color transform matrix that maps white balanced colors from the 1627 * reference sensor color space to the CIE XYZ color space with a D50 white 1628 * point.</p> 1629 * <p>Under the first reference illuminant ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}) 1630 * this matrix is chosen so that the standard white point for this reference 1631 * illuminant in the reference sensor colorspace is mapped to D50 in the 1632 * CIE XYZ colorspace.</p> 1633 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1634 * 1635 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 1636 */ 1637 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_FORWARD_MATRIX1 = 1638 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.forwardMatrix1", android.hardware.camera2.params.ColorSpaceTransform.class); 1639 1640 /** 1641 * <p>A matrix that transforms white balanced camera colors from the reference 1642 * sensor colorspace to the CIE XYZ colorspace with a D50 whitepoint.</p> 1643 * <p>This matrix is used to convert to the standard CIE XYZ colorspace, and 1644 * is used when processing raw buffer data.</p> 1645 * <p>This matrix is expressed as a 3x3 matrix in row-major-order, and contains 1646 * a color transform matrix that maps white balanced colors from the 1647 * reference sensor color space to the CIE XYZ color space with a D50 white 1648 * point.</p> 1649 * <p>Under the second reference illuminant ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2}) 1650 * this matrix is chosen so that the standard white point for this reference 1651 * illuminant in the reference sensor colorspace is mapped to D50 in the 1652 * CIE XYZ colorspace.</p> 1653 * <p>This matrix will only be present if the second reference 1654 * illuminant is present.</p> 1655 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1656 * 1657 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 1658 */ 1659 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_FORWARD_MATRIX2 = 1660 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.forwardMatrix2", android.hardware.camera2.params.ColorSpaceTransform.class); 1661 1662 /** 1663 * <p>A fixed black level offset for each of the color filter arrangement 1664 * (CFA) mosaic channels.</p> 1665 * <p>This tag specifies the zero light value for each of the CFA mosaic 1666 * channels in the camera sensor. The maximal value output by the 1667 * sensor is represented by the value in {@link CameraCharacteristics#SENSOR_INFO_WHITE_LEVEL android.sensor.info.whiteLevel}.</p> 1668 * <p>The values are given in row-column scan order, with the first value 1669 * corresponding to the element of the CFA in row=0, column=0.</p> 1670 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1671 * 1672 * @see CameraCharacteristics#SENSOR_INFO_WHITE_LEVEL 1673 */ 1674 public static final Key<int[]> SENSOR_BLACK_LEVEL_PATTERN = 1675 new Key<int[]>("android.sensor.blackLevelPattern", int[].class); 1676 1677 /** 1678 * <p>Maximum sensitivity that is implemented 1679 * purely through analog gain.</p> 1680 * <p>For {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} values less than or 1681 * equal to this, all applied gain must be analog. For 1682 * values above this, the gain applied can be a mix of analog and 1683 * digital.</p> 1684 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1685 * <p><b>Full capability</b> - 1686 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 1687 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 1688 * 1689 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1690 * @see CaptureRequest#SENSOR_SENSITIVITY 1691 */ 1692 public static final Key<Integer> SENSOR_MAX_ANALOG_SENSITIVITY = 1693 new Key<Integer>("android.sensor.maxAnalogSensitivity", int.class); 1694 1695 /** 1696 * <p>Clockwise angle through which the output 1697 * image needs to be rotated to be upright on the device 1698 * screen in its native orientation. Also defines the 1699 * direction of rolling shutter readout, which is from top 1700 * to bottom in the sensor's coordinate system</p> 1701 */ 1702 public static final Key<Integer> SENSOR_ORIENTATION = 1703 new Key<Integer>("android.sensor.orientation", int.class); 1704 1705 /** 1706 * <p>Lists the supported sensor test pattern modes for {@link CaptureRequest#SENSOR_TEST_PATTERN_MODE android.sensor.testPatternMode}.</p> 1707 * <p>Optional. Defaults to [OFF].</p> 1708 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1709 * 1710 * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE 1711 */ 1712 public static final Key<int[]> SENSOR_AVAILABLE_TEST_PATTERN_MODES = 1713 new Key<int[]>("android.sensor.availableTestPatternModes", int[].class); 1714 1715 /** 1716 * <p>The face detection modes that are available 1717 * for this camera device.</p> 1718 * <p>OFF is always supported.</p> 1719 * <p>SIMPLE means the device supports the 1720 * android.statistics.faceRectangles and 1721 * android.statistics.faceScores outputs.</p> 1722 * <p>FULL means the device additionally supports the 1723 * android.statistics.faceIds and 1724 * android.statistics.faceLandmarks outputs.</p> 1725 */ 1726 public static final Key<int[]> STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES = 1727 new Key<int[]>("android.statistics.info.availableFaceDetectModes", int[].class); 1728 1729 /** 1730 * <p>The maximum number of simultaneously detectable 1731 * faces.</p> 1732 */ 1733 public static final Key<Integer> STATISTICS_INFO_MAX_FACE_COUNT = 1734 new Key<Integer>("android.statistics.info.maxFaceCount", int.class); 1735 1736 /** 1737 * <p>The set of hot pixel map output modes supported by this camera device.</p> 1738 * <p>This tag lists valid output modes for {@link CaptureRequest#STATISTICS_HOT_PIXEL_MAP_MODE android.statistics.hotPixelMapMode}.</p> 1739 * <p>If no hotpixel map is available for this camera device, this will contain 1740 * only OFF. If the hotpixel map is available, this will include both 1741 * the ON and OFF options.</p> 1742 * 1743 * @see CaptureRequest#STATISTICS_HOT_PIXEL_MAP_MODE 1744 */ 1745 public static final Key<boolean[]> STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES = 1746 new Key<boolean[]>("android.statistics.info.availableHotPixelMapModes", boolean[].class); 1747 1748 /** 1749 * <p>Maximum number of supported points in the 1750 * tonemap curve that can be used for {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}.</p> 1751 * <p>If the actual number of points provided by the application (in 1752 * {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}*) is less than max, the camera device will 1753 * resample the curve to its internal representation, using linear 1754 * interpolation.</p> 1755 * <p>The output curves in the result metadata may have a different number 1756 * of points than the input curves, and will represent the actual 1757 * hardware curves used as closely as possible when linearly interpolated.</p> 1758 * 1759 * @see CaptureRequest#TONEMAP_CURVE 1760 */ 1761 public static final Key<Integer> TONEMAP_MAX_CURVE_POINTS = 1762 new Key<Integer>("android.tonemap.maxCurvePoints", int.class); 1763 1764 /** 1765 * <p>The set of tonemapping modes supported by this camera device.</p> 1766 * <p>This tag lists the valid modes for {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode}.</p> 1767 * <p>Full-capability camera devices must always support CONTRAST_CURVE and 1768 * FAST.</p> 1769 * 1770 * @see CaptureRequest#TONEMAP_MODE 1771 */ 1772 public static final Key<int[]> TONEMAP_AVAILABLE_TONE_MAP_MODES = 1773 new Key<int[]>("android.tonemap.availableToneMapModes", int[].class); 1774 1775 /** 1776 * <p>A list of camera LEDs that are available on this system.</p> 1777 * @see #LED_AVAILABLE_LEDS_TRANSMIT 1778 * @hide 1779 */ 1780 public static final Key<int[]> LED_AVAILABLE_LEDS = 1781 new Key<int[]>("android.led.availableLeds", int[].class); 1782 1783 /** 1784 * <p>Generally classifies the overall set of the camera device functionality.</p> 1785 * <p>Camera devices will come in two flavors: LIMITED and FULL.</p> 1786 * <p>A FULL device has the most support possible and will support below capabilities:</p> 1787 * <ul> 1788 * <li>30fps at maximum resolution (== sensor resolution) is preferred, more than 20fps is required.</li> 1789 * <li>Per frame control ({@link CameraCharacteristics#SYNC_MAX_LATENCY android.sync.maxLatency} <code>==</code> PER_FRAME_CONTROL)</li> 1790 * <li>Manual sensor control ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains MANUAL_SENSOR)</li> 1791 * <li>Manual post-processing control ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains MANUAL_POST_PROCESSING)</li> 1792 * <li>Arbitrary cropping region ({@link CameraCharacteristics#SCALER_CROPPING_TYPE android.scaler.croppingType} <code>==</code> FREEFORM)</li> 1793 * <li>At least 3 processed (but not stalling) format output streams ({@link CameraCharacteristics#REQUEST_MAX_NUM_OUTPUT_PROC android.request.maxNumOutputProc} <code>>=</code> 3)</li> 1794 * <li>The required stream configuration defined in android.scaler.availableStreamConfigurations</li> 1795 * <li>The required exposure time range defined in {@link CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE android.sensor.info.exposureTimeRange}</li> 1796 * <li>The required maxFrameDuration defined in {@link CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION android.sensor.info.maxFrameDuration}</li> 1797 * </ul> 1798 * <p>A LIMITED device may have some or none of the above characteristics. 1799 * To find out more refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}.</p> 1800 * <p>A LEGACY device does not support per-frame control, manual sensor control, manual 1801 * post-processing, arbitrary cropping regions, and has relaxed performance constraints.</p> 1802 * 1803 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1804 * @see CameraCharacteristics#REQUEST_MAX_NUM_OUTPUT_PROC 1805 * @see CameraCharacteristics#SCALER_CROPPING_TYPE 1806 * @see CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE 1807 * @see CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION 1808 * @see CameraCharacteristics#SYNC_MAX_LATENCY 1809 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED 1810 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_FULL 1811 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY 1812 */ 1813 public static final Key<Integer> INFO_SUPPORTED_HARDWARE_LEVEL = 1814 new Key<Integer>("android.info.supportedHardwareLevel", int.class); 1815 1816 /** 1817 * <p>The maximum number of frames that can occur after a request 1818 * (different than the previous) has been submitted, and before the 1819 * result's state becomes synchronized (by setting 1820 * android.sync.frameNumber to a non-negative value).</p> 1821 * <p>This defines the maximum distance (in number of metadata results), 1822 * between android.sync.frameNumber and the equivalent 1823 * android.request.frameCount.</p> 1824 * <p>In other words this acts as an upper boundary for how many frames 1825 * must occur before the camera device knows for a fact that the new 1826 * submitted camera settings have been applied in outgoing frames.</p> 1827 * <p>For example if the distance was 2,</p> 1828 * <pre><code>initial request = X (repeating) 1829 * request1 = X 1830 * request2 = Y 1831 * request3 = Y 1832 * request4 = Y 1833 * 1834 * where requestN has frameNumber N, and the first of the repeating 1835 * initial request's has frameNumber F (and F < 1). 1836 * 1837 * initial result = X' + { android.sync.frameNumber == F } 1838 * result1 = X' + { android.sync.frameNumber == F } 1839 * result2 = X' + { android.sync.frameNumber == CONVERGING } 1840 * result3 = X' + { android.sync.frameNumber == CONVERGING } 1841 * result4 = X' + { android.sync.frameNumber == 2 } 1842 * 1843 * where resultN has frameNumber N. 1844 * </code></pre> 1845 * <p>Since <code>result4</code> has a <code>frameNumber == 4</code> and 1846 * <code>android.sync.frameNumber == 2</code>, the distance is clearly 1847 * <code>4 - 2 = 2</code>.</p> 1848 * @see #SYNC_MAX_LATENCY_PER_FRAME_CONTROL 1849 * @see #SYNC_MAX_LATENCY_UNKNOWN 1850 */ 1851 public static final Key<Integer> SYNC_MAX_LATENCY = 1852 new Key<Integer>("android.sync.maxLatency", int.class); 1853 1854 /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 1855 * End generated code 1856 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/ 1857} 1858