CameraCharacteristics.java revision 2086b58880e960cdaa1b0b95fb668a433d4ede6c
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.impl.CameraMetadataNative; 20 21import java.util.Collections; 22import java.util.List; 23 24/** 25 * <p>The properties describing a 26 * {@link CameraDevice CameraDevice}.</p> 27 * 28 * <p>These properties are fixed for a given CameraDevice, and can be queried 29 * through the {@link CameraManager CameraManager} 30 * interface in addition to through the CameraDevice interface.</p> 31 * 32 * @see CameraDevice 33 * @see CameraManager 34 */ 35public final class CameraCharacteristics extends CameraMetadata { 36 37 private final CameraMetadataNative mProperties; 38 private List<Key<?>> mAvailableRequestKeys; 39 private List<Key<?>> mAvailableResultKeys; 40 41 /** 42 * Takes ownership of the passed-in properties object 43 * @hide 44 */ 45 public CameraCharacteristics(CameraMetadataNative properties) { 46 mProperties = properties; 47 } 48 49 @Override 50 public <T> T get(Key<T> key) { 51 return mProperties.get(key); 52 } 53 54 /** 55 * Returns the list of keys supported by this {@link CameraDevice} for querying 56 * with a {@link CaptureRequest}. 57 * 58 * <p>The list returned is not modifiable, so any attempts to modify it will throw 59 * a {@code UnsupportedOperationException}.</p> 60 * 61 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 62 * 63 * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use 64 * {@link #getKeys()} instead.</p> 65 * 66 * @return List of keys supported by this CameraDevice for CaptureRequests. 67 */ 68 public List<Key<?>> getAvailableCaptureRequestKeys() { 69 if (mAvailableRequestKeys == null) { 70 mAvailableRequestKeys = getAvailableKeyList(CaptureRequest.class); 71 } 72 return mAvailableRequestKeys; 73 } 74 75 /** 76 * Returns the list of keys supported by this {@link CameraDevice} for querying 77 * with a {@link CaptureResult}. 78 * 79 * <p>The list returned is not modifiable, so any attempts to modify it will throw 80 * a {@code UnsupportedOperationException}.</p> 81 * 82 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 83 * 84 * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use 85 * {@link #getKeys()} instead.</p> 86 * 87 * @return List of keys supported by this CameraDevice for CaptureResults. 88 */ 89 public List<Key<?>> getAvailableCaptureResultKeys() { 90 if (mAvailableResultKeys == null) { 91 mAvailableResultKeys = getAvailableKeyList(CaptureResult.class); 92 } 93 return mAvailableResultKeys; 94 } 95 96 /** 97 * Returns the list of keys supported by this {@link CameraDevice} by metadataClass. 98 * 99 * <p>The list returned is not modifiable, so any attempts to modify it will throw 100 * a {@code UnsupportedOperationException}.</p> 101 * 102 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 103 * 104 * @param metadataClass The subclass of CameraMetadata that you want to get the keys for. 105 * 106 * @return List of keys supported by this CameraDevice for metadataClass. 107 * 108 * @throws IllegalArgumentException if metadataClass is not a subclass of CameraMetadata 109 */ 110 private <T extends CameraMetadata> List<Key<?>> getAvailableKeyList(Class<T> metadataClass) { 111 112 if (metadataClass.equals(CameraMetadata.class)) { 113 throw new AssertionError( 114 "metadataClass must be a strict subclass of CameraMetadata"); 115 } else if (!CameraMetadata.class.isAssignableFrom(metadataClass)) { 116 throw new AssertionError( 117 "metadataClass must be a subclass of CameraMetadata"); 118 } 119 120 return Collections.unmodifiableList(getKeysStatic(metadataClass, /*instance*/null)); 121 } 122 123 /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 124 * The key entries below this point are generated from metadata 125 * definitions in /system/media/camera/docs. Do not modify by hand or 126 * modify the comment blocks at the start or end. 127 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/ 128 129 130 /** 131 * <p>The set of auto-exposure antibanding modes that are 132 * supported by this camera device.</p> 133 * <p>Not all of the auto-exposure anti-banding modes may be 134 * supported by a given camera device. This field lists the 135 * valid anti-banding modes that the application may request 136 * for this camera device; they must include AUTO.</p> 137 */ 138 public static final Key<byte[]> CONTROL_AE_AVAILABLE_ANTIBANDING_MODES = 139 new Key<byte[]>("android.control.aeAvailableAntibandingModes", byte[].class); 140 141 /** 142 * <p>The set of auto-exposure modes that are supported by this 143 * camera device.</p> 144 * <p>Not all the auto-exposure modes may be supported by a 145 * given camera device, especially if no flash unit is 146 * available. This entry lists the valid modes for 147 * {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} for this camera device.</p> 148 * <p>All camera devices support ON, and all camera devices with 149 * flash units support ON_AUTO_FLASH and 150 * ON_ALWAYS_FLASH.</p> 151 * <p>Full-capability camera devices always support OFF mode, 152 * which enables application control of camera exposure time, 153 * sensitivity, and frame duration.</p> 154 * 155 * @see CaptureRequest#CONTROL_AE_MODE 156 */ 157 public static final Key<byte[]> CONTROL_AE_AVAILABLE_MODES = 158 new Key<byte[]>("android.control.aeAvailableModes", byte[].class); 159 160 /** 161 * <p>List of frame rate ranges supported by the 162 * AE algorithm/hardware</p> 163 */ 164 public static final Key<int[]> CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES = 165 new Key<int[]>("android.control.aeAvailableTargetFpsRanges", int[].class); 166 167 /** 168 * <p>Maximum and minimum exposure compensation 169 * setting, in counts of 170 * android.control.aeCompensationStepSize</p> 171 */ 172 public static final Key<int[]> CONTROL_AE_COMPENSATION_RANGE = 173 new Key<int[]>("android.control.aeCompensationRange", int[].class); 174 175 /** 176 * <p>Smallest step by which exposure compensation 177 * can be changed</p> 178 */ 179 public static final Key<Rational> CONTROL_AE_COMPENSATION_STEP = 180 new Key<Rational>("android.control.aeCompensationStep", Rational.class); 181 182 /** 183 * <p>List of AF modes that can be 184 * selected with {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}.</p> 185 * <p>Not all the auto-focus modes may be supported by a 186 * given camera device. This entry lists the valid modes for 187 * {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} for this camera device.</p> 188 * <p>All camera devices will support OFF mode, and all camera devices with 189 * adjustable focuser units (<code>{@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} > 0</code>) 190 * will support AUTO mode.</p> 191 * 192 * @see CaptureRequest#CONTROL_AF_MODE 193 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 194 */ 195 public static final Key<byte[]> CONTROL_AF_AVAILABLE_MODES = 196 new Key<byte[]>("android.control.afAvailableModes", byte[].class); 197 198 /** 199 * <p>List containing the subset of color effects 200 * specified in {@link CaptureRequest#CONTROL_EFFECT_MODE android.control.effectMode} that is supported by 201 * this device.</p> 202 * <p>This list contains the color effect modes that can be applied to 203 * images produced by the camera device. Only modes that have 204 * been fully implemented for the current device may be included here. 205 * Implementations are not expected to be consistent across all devices. 206 * If no color effect modes are available for a device, this should 207 * simply be set to OFF.</p> 208 * <p>A color effect will only be applied if 209 * {@link CaptureRequest#CONTROL_MODE android.control.mode} != OFF.</p> 210 * 211 * @see CaptureRequest#CONTROL_EFFECT_MODE 212 * @see CaptureRequest#CONTROL_MODE 213 */ 214 public static final Key<byte[]> CONTROL_AVAILABLE_EFFECTS = 215 new Key<byte[]>("android.control.availableEffects", byte[].class); 216 217 /** 218 * <p>List containing a subset of scene modes 219 * specified in {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode}.</p> 220 * <p>This list contains scene modes that can be set for the camera device. 221 * Only scene modes that have been fully implemented for the 222 * camera device may be included here. Implementations are not expected 223 * to be consistent across all devices. If no scene modes are supported 224 * by the camera device, this will be set to <code>[DISABLED]</code>.</p> 225 * 226 * @see CaptureRequest#CONTROL_SCENE_MODE 227 */ 228 public static final Key<byte[]> CONTROL_AVAILABLE_SCENE_MODES = 229 new Key<byte[]>("android.control.availableSceneModes", byte[].class); 230 231 /** 232 * <p>List of video stabilization modes that can 233 * be supported</p> 234 */ 235 public static final Key<byte[]> CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES = 236 new Key<byte[]>("android.control.availableVideoStabilizationModes", byte[].class); 237 238 /** 239 * <p>The set of auto-white-balance modes ({@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}) 240 * that are supported by this camera device.</p> 241 * <p>Not all the auto-white-balance modes may be supported by a 242 * given camera device. This entry lists the valid modes for 243 * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} for this camera device.</p> 244 * <p>All camera devices will support ON mode.</p> 245 * <p>Full-capability camera devices will always support OFF mode, 246 * which enables application control of white balance, by using 247 * {@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> 248 * 249 * @see CaptureRequest#COLOR_CORRECTION_GAINS 250 * @see CaptureRequest#COLOR_CORRECTION_MODE 251 * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM 252 * @see CaptureRequest#CONTROL_AWB_MODE 253 */ 254 public static final Key<byte[]> CONTROL_AWB_AVAILABLE_MODES = 255 new Key<byte[]>("android.control.awbAvailableModes", byte[].class); 256 257 /** 258 * <p>For AE, AWB, and AF, how many individual 259 * regions can be listed for metering?</p> 260 */ 261 public static final Key<Integer> CONTROL_MAX_REGIONS = 262 new Key<Integer>("android.control.maxRegions", int.class); 263 264 /** 265 * <p>Whether this camera has a 266 * flash</p> 267 * <p>If no flash, none of the flash controls do 268 * anything. All other metadata should return 0</p> 269 */ 270 public static final Key<Byte> FLASH_INFO_AVAILABLE = 271 new Key<Byte>("android.flash.info.available", byte.class); 272 273 /** 274 * <p>Supported resolutions for the JPEG thumbnail</p> 275 * <p>Below condiditions will be satisfied for this size list:</p> 276 * <ul> 277 * <li>The sizes will be sorted by increasing pixel area (width x height). 278 * If several resolutions have the same area, they will be sorted by increasing width.</li> 279 * <li>The aspect ratio of the largest thumbnail size will be same as the 280 * aspect ratio of largest size in {@link CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES android.scaler.availableJpegSizes}. 281 * The largest size is defined as the size that has the largest pixel area 282 * in a given size list.</li> 283 * <li>Each size in {@link CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES android.scaler.availableJpegSizes} will have at least 284 * one corresponding size that has the same aspect ratio in availableThumbnailSizes, 285 * and vice versa.</li> 286 * <li>All non (0, 0) sizes will have non-zero widths and heights.</li> 287 * </ul> 288 * 289 * @see CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES 290 */ 291 public static final Key<android.hardware.camera2.Size[]> JPEG_AVAILABLE_THUMBNAIL_SIZES = 292 new Key<android.hardware.camera2.Size[]>("android.jpeg.availableThumbnailSizes", android.hardware.camera2.Size[].class); 293 294 /** 295 * <p>List of supported aperture 296 * values.</p> 297 * <p>If the camera device doesn't support variable apertures, 298 * listed value will be the fixed aperture.</p> 299 * <p>If the camera device supports variable apertures, the aperture value 300 * in this list will be sorted in ascending order.</p> 301 */ 302 public static final Key<float[]> LENS_INFO_AVAILABLE_APERTURES = 303 new Key<float[]>("android.lens.info.availableApertures", float[].class); 304 305 /** 306 * <p>List of supported neutral density filter values for 307 * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity}.</p> 308 * <p>If changing {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} is not supported, 309 * availableFilterDensities must contain only 0. Otherwise, this 310 * list contains only the exact filter density values available on 311 * this camera device.</p> 312 * 313 * @see CaptureRequest#LENS_FILTER_DENSITY 314 */ 315 public static final Key<float[]> LENS_INFO_AVAILABLE_FILTER_DENSITIES = 316 new Key<float[]>("android.lens.info.availableFilterDensities", float[].class); 317 318 /** 319 * <p>The available focal lengths for this device for use with 320 * {@link CaptureRequest#LENS_FOCAL_LENGTH android.lens.focalLength}.</p> 321 * <p>If optical zoom is not supported, this will only report 322 * a single value corresponding to the static focal length of the 323 * device. Otherwise, this will report every focal length supported 324 * by the device.</p> 325 * 326 * @see CaptureRequest#LENS_FOCAL_LENGTH 327 */ 328 public static final Key<float[]> LENS_INFO_AVAILABLE_FOCAL_LENGTHS = 329 new Key<float[]>("android.lens.info.availableFocalLengths", float[].class); 330 331 /** 332 * <p>List of supported optical image 333 * stabilization modes</p> 334 */ 335 public static final Key<byte[]> LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION = 336 new Key<byte[]>("android.lens.info.availableOpticalStabilization", byte[].class); 337 338 /** 339 * <p>Hyperfocal distance for this lens; set to 340 * 0 if fixed focus</p> 341 * <p>The hyperfocal distance is used for the old 342 * API's 'fixed' setting</p> 343 */ 344 public static final Key<Float> LENS_INFO_HYPERFOCAL_DISTANCE = 345 new Key<Float>("android.lens.info.hyperfocalDistance", float.class); 346 347 /** 348 * <p>Shortest distance from frontmost surface 349 * of the lens that can be focused correctly</p> 350 * <p>If the lens is fixed-focus, this should be 351 * 0</p> 352 */ 353 public static final Key<Float> LENS_INFO_MINIMUM_FOCUS_DISTANCE = 354 new Key<Float>("android.lens.info.minimumFocusDistance", float.class); 355 356 /** 357 * <p>Dimensions of lens shading map.</p> 358 * <p>The map should be on the order of 30-40 rows and columns, and 359 * must be smaller than 64x64.</p> 360 */ 361 public static final Key<android.hardware.camera2.Size> LENS_INFO_SHADING_MAP_SIZE = 362 new Key<android.hardware.camera2.Size>("android.lens.info.shadingMapSize", android.hardware.camera2.Size.class); 363 364 /** 365 * <p>Direction the camera faces relative to 366 * device screen</p> 367 * @see #LENS_FACING_FRONT 368 * @see #LENS_FACING_BACK 369 */ 370 public static final Key<Integer> LENS_FACING = 371 new Key<Integer>("android.lens.facing", int.class); 372 373 /** 374 * <p>If set to 1, the HAL will always split result 375 * metadata for a single capture into multiple buffers, 376 * returned using multiple process_capture_result calls.</p> 377 * <p>Does not need to be listed in static 378 * metadata. Support for partial results will be reworked in 379 * future versions of camera service. This quirk will stop 380 * working at that point; DO NOT USE without careful 381 * consideration of future support.</p> 382 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 383 * @hide 384 */ 385 public static final Key<Byte> QUIRKS_USE_PARTIAL_RESULT = 386 new Key<Byte>("android.quirks.usePartialResult", byte.class); 387 388 /** 389 * <p>How many output streams can be allocated at 390 * the same time for each type of stream</p> 391 * <p>Video snapshot with preview callbacks requires 3 392 * processed streams (preview, record, app callbacks) and 393 * one JPEG stream (snapshot)</p> 394 */ 395 public static final Key<int[]> REQUEST_MAX_NUM_OUTPUT_STREAMS = 396 new Key<int[]>("android.request.maxNumOutputStreams", int[].class); 397 398 /** 399 * <p>Specifies the number of maximum pipeline stages a frame 400 * has to go through from when it's exposed to when it's available 401 * to the framework.</p> 402 * <p>A typical minimum value for this is 2 (one stage to expose, 403 * one stage to readout) from the sensor. The ISP then usually adds 404 * its own stages to do custom HW processing. Further stages may be 405 * added by SW processing.</p> 406 * <p>Depending on what settings are used (e.g. YUV, JPEG) and what 407 * processing is enabled (e.g. face detection), the actual pipeline 408 * depth (specified by {@link CaptureResult#REQUEST_PIPELINE_DEPTH android.request.pipelineDepth}) may be less than 409 * the max pipeline depth.</p> 410 * <p>A pipeline depth of X stages is equivalent to a pipeline latency of 411 * X frame intervals.</p> 412 * <p>This value will be 8 or less.</p> 413 * 414 * @see CaptureResult#REQUEST_PIPELINE_DEPTH 415 */ 416 public static final Key<Byte> REQUEST_PIPELINE_MAX_DEPTH = 417 new Key<Byte>("android.request.pipelineMaxDepth", byte.class); 418 419 /** 420 * <p>Optional. Defaults to 1. Defines how many sub-components 421 * a result will be composed of.</p> 422 * <p>In order to combat the pipeline latency, partial results 423 * may be delivered to the application layer from the camera device as 424 * soon as they are available.</p> 425 * <p>A value of 1 means that partial results are not supported.</p> 426 * <p>A typical use case for this might be: after requesting an AF lock the 427 * new AF state might be available 50% of the way through the pipeline. 428 * The camera device could then immediately dispatch this state via a 429 * partial result to the framework/application layer, and the rest of 430 * the metadata via later partial results.</p> 431 */ 432 public static final Key<Integer> REQUEST_PARTIAL_RESULT_COUNT = 433 new Key<Integer>("android.request.partialResultCount", int.class); 434 435 /** 436 * <p>The list of image formats that are supported by this 437 * camera device.</p> 438 * <p>All camera devices will support JPEG and YUV_420_888 formats.</p> 439 * <p>When set to YUV_420_888, application can access the YUV420 data directly.</p> 440 */ 441 public static final Key<int[]> SCALER_AVAILABLE_FORMATS = 442 new Key<int[]>("android.scaler.availableFormats", int[].class); 443 444 /** 445 * <p>The minimum frame duration that is supported 446 * for each resolution in {@link CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES android.scaler.availableJpegSizes}.</p> 447 * <p>This corresponds to the minimum steady-state frame duration when only 448 * that JPEG stream is active and captured in a burst, with all 449 * processing (typically in android.*.mode) set to FAST.</p> 450 * <p>When multiple streams are configured, the minimum 451 * frame duration will be >= max(individual stream min 452 * durations)</p> 453 * 454 * @see CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES 455 */ 456 public static final Key<long[]> SCALER_AVAILABLE_JPEG_MIN_DURATIONS = 457 new Key<long[]>("android.scaler.availableJpegMinDurations", long[].class); 458 459 /** 460 * <p>The JPEG resolutions that are supported by this camera device.</p> 461 * <p>The resolutions are listed as <code>(width, height)</code> pairs. All camera devices will support 462 * sensor maximum resolution (defined by {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}).</p> 463 * 464 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 465 */ 466 public static final Key<android.hardware.camera2.Size[]> SCALER_AVAILABLE_JPEG_SIZES = 467 new Key<android.hardware.camera2.Size[]>("android.scaler.availableJpegSizes", android.hardware.camera2.Size[].class); 468 469 /** 470 * <p>The maximum ratio between active area width 471 * and crop region width, or between active area height and 472 * crop region height, if the crop region height is larger 473 * than width</p> 474 */ 475 public static final Key<Float> SCALER_AVAILABLE_MAX_DIGITAL_ZOOM = 476 new Key<Float>("android.scaler.availableMaxDigitalZoom", float.class); 477 478 /** 479 * <p>For each available processed output size (defined in 480 * {@link CameraCharacteristics#SCALER_AVAILABLE_PROCESSED_SIZES android.scaler.availableProcessedSizes}), this property lists the 481 * minimum supportable frame duration for that size.</p> 482 * <p>This should correspond to the frame duration when only that processed 483 * stream is active, with all processing (typically in android.*.mode) 484 * set to FAST.</p> 485 * <p>When multiple streams are configured, the minimum frame duration will 486 * be >= max(individual stream min durations).</p> 487 * 488 * @see CameraCharacteristics#SCALER_AVAILABLE_PROCESSED_SIZES 489 */ 490 public static final Key<long[]> SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS = 491 new Key<long[]>("android.scaler.availableProcessedMinDurations", long[].class); 492 493 /** 494 * <p>The resolutions available for use with 495 * processed output streams, such as YV12, NV12, and 496 * platform opaque YUV/RGB streams to the GPU or video 497 * encoders.</p> 498 * <p>The resolutions are listed as <code>(width, height)</code> pairs.</p> 499 * <p>For a given use case, the actual maximum supported resolution 500 * may be lower than what is listed here, depending on the destination 501 * Surface for the image data. For example, for recording video, 502 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 503 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 504 * can provide.</p> 505 * <p>Please reference the documentation for the image data destination to 506 * check if it limits the maximum size for image data.</p> 507 */ 508 public static final Key<android.hardware.camera2.Size[]> SCALER_AVAILABLE_PROCESSED_SIZES = 509 new Key<android.hardware.camera2.Size[]>("android.scaler.availableProcessedSizes", android.hardware.camera2.Size[].class); 510 511 /** 512 * <p>Area of raw data which corresponds to only 513 * active pixels; smaller or equal to 514 * pixelArraySize.</p> 515 */ 516 public static final Key<android.graphics.Rect> SENSOR_INFO_ACTIVE_ARRAY_SIZE = 517 new Key<android.graphics.Rect>("android.sensor.info.activeArraySize", android.graphics.Rect.class); 518 519 /** 520 * <p>Range of valid sensitivities</p> 521 */ 522 public static final Key<int[]> SENSOR_INFO_SENSITIVITY_RANGE = 523 new Key<int[]>("android.sensor.info.sensitivityRange", int[].class); 524 525 /** 526 * <p>Range of valid exposure 527 * times</p> 528 */ 529 public static final Key<long[]> SENSOR_INFO_EXPOSURE_TIME_RANGE = 530 new Key<long[]>("android.sensor.info.exposureTimeRange", long[].class); 531 532 /** 533 * <p>Maximum possible frame duration (minimum frame 534 * rate)</p> 535 * <p>Minimum duration is a function of resolution, 536 * processing settings. See 537 * android.scaler.availableProcessedMinDurations 538 * android.scaler.availableJpegMinDurations 539 * android.scaler.availableRawMinDurations</p> 540 */ 541 public static final Key<Long> SENSOR_INFO_MAX_FRAME_DURATION = 542 new Key<Long>("android.sensor.info.maxFrameDuration", long.class); 543 544 /** 545 * <p>The physical dimensions of the full pixel 546 * array</p> 547 * <p>Needed for FOV calculation for old API</p> 548 */ 549 public static final Key<float[]> SENSOR_INFO_PHYSICAL_SIZE = 550 new Key<float[]>("android.sensor.info.physicalSize", float[].class); 551 552 /** 553 * <p>Gain factor from electrons to raw units when 554 * ISO=100</p> 555 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 556 * <p><b>Full capability</b> - 557 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 558 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 559 * 560 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 561 */ 562 public static final Key<Rational> SENSOR_BASE_GAIN_FACTOR = 563 new Key<Rational>("android.sensor.baseGainFactor", Rational.class); 564 565 /** 566 * <p>Maximum sensitivity that is implemented 567 * purely through analog gain</p> 568 * <p>For {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} values less than or 569 * equal to this, all applied gain must be analog. For 570 * values above this, it can be a mix of analog and 571 * digital</p> 572 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 573 * <p><b>Full capability</b> - 574 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 575 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 576 * 577 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 578 * @see CaptureRequest#SENSOR_SENSITIVITY 579 */ 580 public static final Key<Integer> SENSOR_MAX_ANALOG_SENSITIVITY = 581 new Key<Integer>("android.sensor.maxAnalogSensitivity", int.class); 582 583 /** 584 * <p>Clockwise angle through which the output 585 * image needs to be rotated to be upright on the device 586 * screen in its native orientation. Also defines the 587 * direction of rolling shutter readout, which is from top 588 * to bottom in the sensor's coordinate system</p> 589 */ 590 public static final Key<Integer> SENSOR_ORIENTATION = 591 new Key<Integer>("android.sensor.orientation", int.class); 592 593 /** 594 * <p>Optional. Defaults to [OFF]. Lists the supported test 595 * pattern modes for android.test.patternMode.</p> 596 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 597 */ 598 public static final Key<Byte> SENSOR_AVAILABLE_TEST_PATTERN_MODES = 599 new Key<Byte>("android.sensor.availableTestPatternModes", byte.class); 600 601 /** 602 * <p>Which face detection modes are available, 603 * if any</p> 604 * <p>OFF means face detection is disabled, it must 605 * be included in the list.</p> 606 * <p>SIMPLE means the device supports the 607 * android.statistics.faceRectangles and 608 * android.statistics.faceScores outputs.</p> 609 * <p>FULL means the device additionally supports the 610 * android.statistics.faceIds and 611 * android.statistics.faceLandmarks outputs.</p> 612 */ 613 public static final Key<byte[]> STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES = 614 new Key<byte[]>("android.statistics.info.availableFaceDetectModes", byte[].class); 615 616 /** 617 * <p>Maximum number of simultaneously detectable 618 * faces</p> 619 */ 620 public static final Key<Integer> STATISTICS_INFO_MAX_FACE_COUNT = 621 new Key<Integer>("android.statistics.info.maxFaceCount", int.class); 622 623 /** 624 * <p>Maximum number of supported points in the 625 * tonemap curve that can be used for {@link CaptureRequest#TONEMAP_CURVE_RED android.tonemap.curveRed}, or 626 * {@link CaptureRequest#TONEMAP_CURVE_GREEN android.tonemap.curveGreen}, or {@link CaptureRequest#TONEMAP_CURVE_BLUE android.tonemap.curveBlue}.</p> 627 * <p>If the actual number of points provided by the application (in 628 * android.tonemap.curve*) is less than max, the camera device will 629 * resample the curve to its internal representation, using linear 630 * interpolation.</p> 631 * <p>The output curves in the result metadata may have a different number 632 * of points than the input curves, and will represent the actual 633 * hardware curves used as closely as possible when linearly interpolated.</p> 634 * 635 * @see CaptureRequest#TONEMAP_CURVE_BLUE 636 * @see CaptureRequest#TONEMAP_CURVE_GREEN 637 * @see CaptureRequest#TONEMAP_CURVE_RED 638 */ 639 public static final Key<Integer> TONEMAP_MAX_CURVE_POINTS = 640 new Key<Integer>("android.tonemap.maxCurvePoints", int.class); 641 642 /** 643 * <p>A list of camera LEDs that are available on this system.</p> 644 * @see #LED_AVAILABLE_LEDS_TRANSMIT 645 * @hide 646 */ 647 public static final Key<int[]> LED_AVAILABLE_LEDS = 648 new Key<int[]>("android.led.availableLeds", int[].class); 649 650 /** 651 * <p>The camera 3 HAL device can implement one of two possible 652 * operational modes; limited and full. Full support is 653 * expected from new higher-end devices. Limited mode has 654 * hardware requirements roughly in line with those for a 655 * camera HAL device v1 implementation, and is expected from 656 * older or inexpensive devices. Full is a strict superset of 657 * limited, and they share the same essential operational flow.</p> 658 * <p>For full details refer to "S3. Operational Modes" in camera3.h</p> 659 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED 660 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_FULL 661 */ 662 public static final Key<Integer> INFO_SUPPORTED_HARDWARE_LEVEL = 663 new Key<Integer>("android.info.supportedHardwareLevel", int.class); 664 665 /** 666 * <p>The maximum number of frames that can occur after a request 667 * (different than the previous) has been submitted, and before the 668 * result's state becomes synchronized (by setting 669 * android.sync.frameNumber to a non-negative value).</p> 670 * <p>This defines the maximum distance (in number of metadata results), 671 * between android.sync.frameNumber and the equivalent 672 * android.request.frameCount.</p> 673 * <p>In other words this acts as an upper boundary for how many frames 674 * must occur before the camera device knows for a fact that the new 675 * submitted camera settings have been applied in outgoing frames.</p> 676 * <p>For example if the distance was 2,</p> 677 * <pre><code>initial request = X (repeating) 678 * request1 = X 679 * request2 = Y 680 * request3 = Y 681 * request4 = Y 682 * 683 * where requestN has frameNumber N, and the first of the repeating 684 * initial request's has frameNumber F (and F < 1). 685 * 686 * initial result = X' + { android.sync.frameNumber == F } 687 * result1 = X' + { android.sync.frameNumber == F } 688 * result2 = X' + { android.sync.frameNumber == CONVERGING } 689 * result3 = X' + { android.sync.frameNumber == CONVERGING } 690 * result4 = X' + { android.sync.frameNumber == 2 } 691 * 692 * where resultN has frameNumber N. 693 * </code></pre> 694 * <p>Since <code>result4</code> has a <code>frameNumber == 4</code> and 695 * <code>android.sync.frameNumber == 2</code>, the distance is clearly 696 * <code>4 - 2 = 2</code>.</p> 697 * @see #SYNC_MAX_LATENCY_PER_FRAME_CONTROL 698 * @see #SYNC_MAX_LATENCY_UNKNOWN 699 */ 700 public static final Key<Integer> SYNC_MAX_LATENCY = 701 new Key<Integer>("android.sync.maxLatency", int.class); 702 703 /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 704 * End generated code 705 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/ 706} 707