1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.camera2; 18 19 import android.hardware.camera2.impl.CameraMetadataNative; 20 import android.hardware.camera2.impl.CaptureResultExtras; 21 import android.hardware.camera2.impl.PublicKey; 22 import android.hardware.camera2.impl.SyntheticKey; 23 import android.hardware.camera2.utils.TypeReference; 24 import android.util.Log; 25 import android.util.Rational; 26 27 import java.util.List; 28 29 /** 30 * <p>The subset of the results of a single image capture from the image sensor.</p> 31 * 32 * <p>Contains a subset of the final configuration for the capture hardware (sensor, lens, 33 * flash), the processing pipeline, the control algorithms, and the output 34 * buffers.</p> 35 * 36 * <p>CaptureResults are produced by a {@link CameraDevice} after processing a 37 * {@link CaptureRequest}. All properties listed for capture requests can also 38 * be queried on the capture result, to determine the final values used for 39 * capture. The result also includes additional metadata about the state of the 40 * camera device during the capture.</p> 41 * 42 * <p>Not all properties returned by {@link CameraCharacteristics#getAvailableCaptureResultKeys()} 43 * are necessarily available. Some results are {@link CaptureResult partial} and will 44 * not have every key set. Only {@link TotalCaptureResult total} results are guaranteed to have 45 * every key available that was enabled by the request.</p> 46 * 47 * <p>{@link CaptureResult} objects are immutable.</p> 48 * 49 */ 50 public class CaptureResult extends CameraMetadata<CaptureResult.Key<?>> { 51 52 private static final String TAG = "CaptureResult"; 53 private static final boolean VERBOSE = false; 54 55 /** 56 * A {@code Key} is used to do capture result field lookups with 57 * {@link CaptureResult#get}. 58 * 59 * <p>For example, to get the timestamp corresponding to the exposure of the first row: 60 * <code><pre> 61 * long timestamp = captureResult.get(CaptureResult.SENSOR_TIMESTAMP); 62 * </pre></code> 63 * </p> 64 * 65 * <p>To enumerate over all possible keys for {@link CaptureResult}, see 66 * {@link CameraCharacteristics#getAvailableCaptureResultKeys}.</p> 67 * 68 * @see CaptureResult#get 69 * @see CameraCharacteristics#getAvailableCaptureResultKeys 70 */ 71 public final static class Key<T> { 72 private final CameraMetadataNative.Key<T> mKey; 73 74 /** 75 * Visible for testing and vendor extensions only. 76 * 77 * @hide 78 */ Key(String name, Class<T> type)79 public Key(String name, Class<T> type) { 80 mKey = new CameraMetadataNative.Key<T>(name, type); 81 } 82 83 /** 84 * Visible for testing and vendor extensions only. 85 * 86 * @hide 87 */ Key(String name, TypeReference<T> typeReference)88 public Key(String name, TypeReference<T> typeReference) { 89 mKey = new CameraMetadataNative.Key<T>(name, typeReference); 90 } 91 92 /** 93 * Return a camelCase, period separated name formatted like: 94 * {@code "root.section[.subsections].name"}. 95 * 96 * <p>Built-in keys exposed by the Android SDK are always prefixed with {@code "android."}; 97 * keys that are device/platform-specific are prefixed with {@code "com."}.</p> 98 * 99 * <p>For example, {@code CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP} would 100 * have a name of {@code "android.scaler.streamConfigurationMap"}; whereas a device 101 * specific key might look like {@code "com.google.nexus.data.private"}.</p> 102 * 103 * @return String representation of the key name 104 */ getName()105 public String getName() { 106 return mKey.getName(); 107 } 108 109 /** 110 * {@inheritDoc} 111 */ 112 @Override hashCode()113 public final int hashCode() { 114 return mKey.hashCode(); 115 } 116 117 /** 118 * {@inheritDoc} 119 */ 120 @SuppressWarnings("unchecked") 121 @Override equals(Object o)122 public final boolean equals(Object o) { 123 return o instanceof Key && ((Key<T>)o).mKey.equals(mKey); 124 } 125 126 /** 127 * Visible for CameraMetadataNative implementation only; do not use. 128 * 129 * TODO: Make this private or remove it altogether. 130 * 131 * @hide 132 */ getNativeKey()133 public CameraMetadataNative.Key<T> getNativeKey() { 134 return mKey; 135 } 136 137 @SuppressWarnings({ "unchecked" }) Key(CameraMetadataNative.Key<?> nativeKey)138 /*package*/ Key(CameraMetadataNative.Key<?> nativeKey) { 139 mKey = (CameraMetadataNative.Key<T>) nativeKey; 140 } 141 } 142 143 private final CameraMetadataNative mResults; 144 private final CaptureRequest mRequest; 145 private final int mSequenceId; 146 private final long mFrameNumber; 147 148 /** 149 * Takes ownership of the passed-in properties object 150 * 151 * <p>For internal use only</p> 152 * @hide 153 */ CaptureResult(CameraMetadataNative results, CaptureRequest parent, CaptureResultExtras extras)154 public CaptureResult(CameraMetadataNative results, CaptureRequest parent, 155 CaptureResultExtras extras) { 156 if (results == null) { 157 throw new IllegalArgumentException("results was null"); 158 } 159 160 if (parent == null) { 161 throw new IllegalArgumentException("parent was null"); 162 } 163 164 if (extras == null) { 165 throw new IllegalArgumentException("extras was null"); 166 } 167 168 mResults = CameraMetadataNative.move(results); 169 if (mResults.isEmpty()) { 170 throw new AssertionError("Results must not be empty"); 171 } 172 mRequest = parent; 173 mSequenceId = extras.getRequestId(); 174 mFrameNumber = extras.getFrameNumber(); 175 } 176 177 /** 178 * Returns a copy of the underlying {@link CameraMetadataNative}. 179 * @hide 180 */ getNativeCopy()181 public CameraMetadataNative getNativeCopy() { 182 return new CameraMetadataNative(mResults); 183 } 184 185 /** 186 * Creates a request-less result. 187 * 188 * <p><strong>For testing only.</strong></p> 189 * @hide 190 */ CaptureResult(CameraMetadataNative results, int sequenceId)191 public CaptureResult(CameraMetadataNative results, int sequenceId) { 192 if (results == null) { 193 throw new IllegalArgumentException("results was null"); 194 } 195 196 mResults = CameraMetadataNative.move(results); 197 if (mResults.isEmpty()) { 198 throw new AssertionError("Results must not be empty"); 199 } 200 201 mRequest = null; 202 mSequenceId = sequenceId; 203 mFrameNumber = -1; 204 } 205 206 /** 207 * Get a capture result field value. 208 * 209 * <p>The field definitions can be found in {@link CaptureResult}.</p> 210 * 211 * <p>Querying the value for the same key more than once will return a value 212 * which is equal to the previous queried value.</p> 213 * 214 * @throws IllegalArgumentException if the key was not valid 215 * 216 * @param key The result field to read. 217 * @return The value of that key, or {@code null} if the field is not set. 218 */ get(Key<T> key)219 public <T> T get(Key<T> key) { 220 T value = mResults.get(key); 221 if (VERBOSE) Log.v(TAG, "#get for Key = " + key.getName() + ", returned value = " + value); 222 return value; 223 } 224 225 /** 226 * {@inheritDoc} 227 * @hide 228 */ 229 @SuppressWarnings("unchecked") 230 @Override getProtected(Key<?> key)231 protected <T> T getProtected(Key<?> key) { 232 return (T) mResults.get(key); 233 } 234 235 /** 236 * {@inheritDoc} 237 * @hide 238 */ 239 @SuppressWarnings("unchecked") 240 @Override getKeyClass()241 protected Class<Key<?>> getKeyClass() { 242 Object thisClass = Key.class; 243 return (Class<Key<?>>)thisClass; 244 } 245 246 /** 247 * Dumps the native metadata contents to logcat. 248 * 249 * <p>Visibility for testing/debugging only. The results will not 250 * include any synthesized keys, as they are invisible to the native layer.</p> 251 * 252 * @hide 253 */ dumpToLog()254 public void dumpToLog() { 255 mResults.dumpToLog(); 256 } 257 258 /** 259 * {@inheritDoc} 260 */ 261 @Override getKeys()262 public List<Key<?>> getKeys() { 263 // Force the javadoc for this function to show up on the CaptureResult page 264 return super.getKeys(); 265 } 266 267 /** 268 * Get the request associated with this result. 269 * 270 * <p>Whenever a request has been fully or partially captured, with 271 * {@link CameraCaptureSession.CaptureCallback#onCaptureCompleted} or 272 * {@link CameraCaptureSession.CaptureCallback#onCaptureProgressed}, the {@code result}'s 273 * {@code getRequest()} will return that {@code request}. 274 * </p> 275 * 276 * <p>For example, 277 * <code><pre>cameraDevice.capture(someRequest, new CaptureCallback() { 278 * {@literal @}Override 279 * void onCaptureCompleted(CaptureRequest myRequest, CaptureResult myResult) { 280 * assert(myResult.getRequest.equals(myRequest) == true); 281 * } 282 * }, null); 283 * </code></pre> 284 * </p> 285 * 286 * @return The request associated with this result. Never {@code null}. 287 */ getRequest()288 public CaptureRequest getRequest() { 289 return mRequest; 290 } 291 292 /** 293 * Get the frame number associated with this result. 294 * 295 * <p>Whenever a request has been processed, regardless of failure or success, 296 * it gets a unique frame number assigned to its future result/failure.</p> 297 * 298 * <p>This value monotonically increments, starting with 0, 299 * for every new result or failure; and the scope is the lifetime of the 300 * {@link CameraDevice}.</p> 301 * 302 * @return The frame number 303 */ getFrameNumber()304 public long getFrameNumber() { 305 return mFrameNumber; 306 } 307 308 /** 309 * The sequence ID for this failure that was returned by the 310 * {@link CameraCaptureSession#capture} family of functions. 311 * 312 * <p>The sequence ID is a unique monotonically increasing value starting from 0, 313 * incremented every time a new group of requests is submitted to the CameraDevice.</p> 314 * 315 * @return int The ID for the sequence of requests that this capture result is a part of 316 * 317 * @see CameraDevice.CaptureCallback#onCaptureSequenceCompleted 318 * @see CameraDevice.CaptureCallback#onCaptureSequenceAborted 319 */ getSequenceId()320 public int getSequenceId() { 321 return mSequenceId; 322 } 323 324 /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 325 * The key entries below this point are generated from metadata 326 * definitions in /system/media/camera/docs. Do not modify by hand or 327 * modify the comment blocks at the start or end. 328 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/ 329 330 /** 331 * <p>The mode control selects how the image data is converted from the 332 * sensor's native color into linear sRGB color.</p> 333 * <p>When auto-white balance (AWB) is enabled with {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}, this 334 * control is overridden by the AWB routine. When AWB is disabled, the 335 * application controls how the color mapping is performed.</p> 336 * <p>We define the expected processing pipeline below. For consistency 337 * across devices, this is always the case with TRANSFORM_MATRIX.</p> 338 * <p>When either FULL or HIGH_QUALITY is used, the camera device may 339 * do additional processing but {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} and 340 * {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform} will still be provided by the 341 * camera device (in the results) and be roughly correct.</p> 342 * <p>Switching to TRANSFORM_MATRIX and using the data provided from 343 * FAST or HIGH_QUALITY will yield a picture with the same white point 344 * as what was produced by the camera device in the earlier frame.</p> 345 * <p>The expected processing pipeline is as follows:</p> 346 * <p><img alt="White balance processing pipeline" src="../../../../images/camera2/metadata/android.colorCorrection.mode/processing_pipeline.png" /></p> 347 * <p>The white balance is encoded by two values, a 4-channel white-balance 348 * gain vector (applied in the Bayer domain), and a 3x3 color transform 349 * matrix (applied after demosaic).</p> 350 * <p>The 4-channel white-balance gains are defined as:</p> 351 * <pre><code>{@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} = [ R G_even G_odd B ] 352 * </code></pre> 353 * <p>where <code>G_even</code> is the gain for green pixels on even rows of the 354 * output, and <code>G_odd</code> is the gain for green pixels on the odd rows. 355 * These may be identical for a given camera device implementation; if 356 * the camera device does not support a separate gain for even/odd green 357 * channels, it will use the <code>G_even</code> value, and write <code>G_odd</code> equal to 358 * <code>G_even</code> in the output result metadata.</p> 359 * <p>The matrices for color transforms are defined as a 9-entry vector:</p> 360 * <pre><code>{@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform} = [ I0 I1 I2 I3 I4 I5 I6 I7 I8 ] 361 * </code></pre> 362 * <p>which define a transform from input sensor colors, <code>P_in = [ r g b ]</code>, 363 * to output linear sRGB, <code>P_out = [ r' g' b' ]</code>,</p> 364 * <p>with colors as follows:</p> 365 * <pre><code>r' = I0r + I1g + I2b 366 * g' = I3r + I4g + I5b 367 * b' = I6r + I7g + I8b 368 * </code></pre> 369 * <p>Both the input and output value ranges must match. Overflow/underflow 370 * values are clipped to fit within the range.</p> 371 * <p><b>Possible values:</b> 372 * <ul> 373 * <li>{@link #COLOR_CORRECTION_MODE_TRANSFORM_MATRIX TRANSFORM_MATRIX}</li> 374 * <li>{@link #COLOR_CORRECTION_MODE_FAST FAST}</li> 375 * <li>{@link #COLOR_CORRECTION_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 376 * </ul></p> 377 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 378 * <p><b>Full capability</b> - 379 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 380 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 381 * 382 * @see CaptureRequest#COLOR_CORRECTION_GAINS 383 * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM 384 * @see CaptureRequest#CONTROL_AWB_MODE 385 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 386 * @see #COLOR_CORRECTION_MODE_TRANSFORM_MATRIX 387 * @see #COLOR_CORRECTION_MODE_FAST 388 * @see #COLOR_CORRECTION_MODE_HIGH_QUALITY 389 */ 390 @PublicKey 391 public static final Key<Integer> COLOR_CORRECTION_MODE = 392 new Key<Integer>("android.colorCorrection.mode", int.class); 393 394 /** 395 * <p>A color transform matrix to use to transform 396 * from sensor RGB color space to output linear sRGB color space.</p> 397 * <p>This matrix is either set by the camera device when the request 398 * {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} is not TRANSFORM_MATRIX, or 399 * directly by the application in the request when the 400 * {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} is TRANSFORM_MATRIX.</p> 401 * <p>In the latter case, the camera device may round the matrix to account 402 * for precision issues; the final rounded matrix should be reported back 403 * in this matrix result metadata. The transform should keep the magnitude 404 * of the output color values within <code>[0, 1.0]</code> (assuming input color 405 * values is within the normalized range <code>[0, 1.0]</code>), or clipping may occur.</p> 406 * <p><b>Units</b>: Unitless scale factors</p> 407 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 408 * <p><b>Full capability</b> - 409 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 410 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 411 * 412 * @see CaptureRequest#COLOR_CORRECTION_MODE 413 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 414 */ 415 @PublicKey 416 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> COLOR_CORRECTION_TRANSFORM = 417 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.colorCorrection.transform", android.hardware.camera2.params.ColorSpaceTransform.class); 418 419 /** 420 * <p>Gains applying to Bayer raw color channels for 421 * white-balance.</p> 422 * <p>These per-channel gains are either set by the camera device 423 * when the request {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} is not 424 * TRANSFORM_MATRIX, or directly by the application in the 425 * request when the {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} is 426 * TRANSFORM_MATRIX.</p> 427 * <p>The gains in the result metadata are the gains actually 428 * applied by the camera device to the current frame.</p> 429 * <p><b>Units</b>: Unitless gain factors</p> 430 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 431 * <p><b>Full capability</b> - 432 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 433 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 434 * 435 * @see CaptureRequest#COLOR_CORRECTION_MODE 436 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 437 */ 438 @PublicKey 439 public static final Key<android.hardware.camera2.params.RggbChannelVector> COLOR_CORRECTION_GAINS = 440 new Key<android.hardware.camera2.params.RggbChannelVector>("android.colorCorrection.gains", android.hardware.camera2.params.RggbChannelVector.class); 441 442 /** 443 * <p>Mode of operation for the chromatic aberration correction algorithm.</p> 444 * <p>Chromatic (color) aberration is caused by the fact that different wavelengths of light 445 * can not focus on the same point after exiting from the lens. This metadata defines 446 * the high level control of chromatic aberration correction algorithm, which aims to 447 * minimize the chromatic artifacts that may occur along the object boundaries in an 448 * image.</p> 449 * <p>FAST/HIGH_QUALITY both mean that camera device determined aberration 450 * correction will be applied. HIGH_QUALITY mode indicates that the camera device will 451 * use the highest-quality aberration correction algorithms, even if it slows down 452 * capture rate. FAST means the camera device will not slow down capture rate when 453 * applying aberration correction.</p> 454 * <p>LEGACY devices will always be in FAST mode.</p> 455 * <p><b>Possible values:</b> 456 * <ul> 457 * <li>{@link #COLOR_CORRECTION_ABERRATION_MODE_OFF OFF}</li> 458 * <li>{@link #COLOR_CORRECTION_ABERRATION_MODE_FAST FAST}</li> 459 * <li>{@link #COLOR_CORRECTION_ABERRATION_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 460 * </ul></p> 461 * <p><b>Available values for this device:</b><br> 462 * {@link CameraCharacteristics#COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES android.colorCorrection.availableAberrationModes}</p> 463 * <p>This key is available on all devices.</p> 464 * 465 * @see CameraCharacteristics#COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES 466 * @see #COLOR_CORRECTION_ABERRATION_MODE_OFF 467 * @see #COLOR_CORRECTION_ABERRATION_MODE_FAST 468 * @see #COLOR_CORRECTION_ABERRATION_MODE_HIGH_QUALITY 469 */ 470 @PublicKey 471 public static final Key<Integer> COLOR_CORRECTION_ABERRATION_MODE = 472 new Key<Integer>("android.colorCorrection.aberrationMode", int.class); 473 474 /** 475 * <p>The desired setting for the camera device's auto-exposure 476 * algorithm's antibanding compensation.</p> 477 * <p>Some kinds of lighting fixtures, such as some fluorescent 478 * lights, flicker at the rate of the power supply frequency 479 * (60Hz or 50Hz, depending on country). While this is 480 * typically not noticeable to a person, it can be visible to 481 * a camera device. If a camera sets its exposure time to the 482 * wrong value, the flicker may become visible in the 483 * viewfinder as flicker or in a final captured image, as a 484 * set of variable-brightness bands across the image.</p> 485 * <p>Therefore, the auto-exposure routines of camera devices 486 * include antibanding routines that ensure that the chosen 487 * exposure value will not cause such banding. The choice of 488 * exposure time depends on the rate of flicker, which the 489 * camera device can detect automatically, or the expected 490 * rate can be selected by the application using this 491 * control.</p> 492 * <p>A given camera device may not support all of the possible 493 * options for the antibanding mode. The 494 * {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_ANTIBANDING_MODES android.control.aeAvailableAntibandingModes} key contains 495 * the available modes for a given camera device.</p> 496 * <p>The default mode is AUTO, which is supported by all 497 * camera devices.</p> 498 * <p>If manual exposure control is enabled (by setting 499 * {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} or {@link CaptureRequest#CONTROL_MODE android.control.mode} to OFF), 500 * then this setting has no effect, and the application must 501 * ensure it selects exposure times that do not cause banding 502 * issues. The {@link CaptureResult#STATISTICS_SCENE_FLICKER android.statistics.sceneFlicker} key can assist 503 * the application in this.</p> 504 * <p><b>Possible values:</b> 505 * <ul> 506 * <li>{@link #CONTROL_AE_ANTIBANDING_MODE_OFF OFF}</li> 507 * <li>{@link #CONTROL_AE_ANTIBANDING_MODE_50HZ 50HZ}</li> 508 * <li>{@link #CONTROL_AE_ANTIBANDING_MODE_60HZ 60HZ}</li> 509 * <li>{@link #CONTROL_AE_ANTIBANDING_MODE_AUTO AUTO}</li> 510 * </ul></p> 511 * <p><b>Available values for this device:</b><br></p> 512 * <p>{@link CameraCharacteristics#CONTROL_AE_AVAILABLE_ANTIBANDING_MODES android.control.aeAvailableAntibandingModes}</p> 513 * <p>This key is available on all devices.</p> 514 * 515 * @see CameraCharacteristics#CONTROL_AE_AVAILABLE_ANTIBANDING_MODES 516 * @see CaptureRequest#CONTROL_AE_MODE 517 * @see CaptureRequest#CONTROL_MODE 518 * @see CaptureResult#STATISTICS_SCENE_FLICKER 519 * @see #CONTROL_AE_ANTIBANDING_MODE_OFF 520 * @see #CONTROL_AE_ANTIBANDING_MODE_50HZ 521 * @see #CONTROL_AE_ANTIBANDING_MODE_60HZ 522 * @see #CONTROL_AE_ANTIBANDING_MODE_AUTO 523 */ 524 @PublicKey 525 public static final Key<Integer> CONTROL_AE_ANTIBANDING_MODE = 526 new Key<Integer>("android.control.aeAntibandingMode", int.class); 527 528 /** 529 * <p>Adjustment to auto-exposure (AE) target image 530 * brightness.</p> 531 * <p>The adjustment is measured as a count of steps, with the 532 * step size defined by {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP android.control.aeCompensationStep} and the 533 * allowed range by {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_RANGE android.control.aeCompensationRange}.</p> 534 * <p>For example, if the exposure value (EV) step is 0.333, '6' 535 * will mean an exposure compensation of +2 EV; -3 will mean an 536 * exposure compensation of -1 EV. One EV represents a doubling 537 * of image brightness. Note that this control will only be 538 * effective if {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} <code>!=</code> OFF. This control 539 * will take effect even when {@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} <code>== true</code>.</p> 540 * <p>In the event of exposure compensation value being changed, camera device 541 * may take several frames to reach the newly requested exposure target. 542 * During that time, {@link CaptureResult#CONTROL_AE_STATE android.control.aeState} field will be in the SEARCHING 543 * state. Once the new exposure target is reached, {@link CaptureResult#CONTROL_AE_STATE android.control.aeState} will 544 * change from SEARCHING to either CONVERGED, LOCKED (if AE lock is enabled), or 545 * FLASH_REQUIRED (if the scene is too dark for still capture).</p> 546 * <p><b>Units</b>: Compensation steps</p> 547 * <p><b>Range of valid values:</b><br> 548 * {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_RANGE android.control.aeCompensationRange}</p> 549 * <p>This key is available on all devices.</p> 550 * 551 * @see CameraCharacteristics#CONTROL_AE_COMPENSATION_RANGE 552 * @see CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP 553 * @see CaptureRequest#CONTROL_AE_LOCK 554 * @see CaptureRequest#CONTROL_AE_MODE 555 * @see CaptureResult#CONTROL_AE_STATE 556 */ 557 @PublicKey 558 public static final Key<Integer> CONTROL_AE_EXPOSURE_COMPENSATION = 559 new Key<Integer>("android.control.aeExposureCompensation", int.class); 560 561 /** 562 * <p>Whether auto-exposure (AE) is currently locked to its latest 563 * calculated values.</p> 564 * <p>When set to <code>true</code> (ON), the AE algorithm is locked to its latest parameters, 565 * and will not change exposure settings until the lock is set to <code>false</code> (OFF).</p> 566 * <p>Note that even when AE is locked, the flash may be fired if 567 * the {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} is ON_AUTO_FLASH / 568 * ON_ALWAYS_FLASH / ON_AUTO_FLASH_REDEYE.</p> 569 * <p>When {@link CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION android.control.aeExposureCompensation} is changed, even if the AE lock 570 * is ON, the camera device will still adjust its exposure value.</p> 571 * <p>If AE precapture is triggered (see {@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger}) 572 * when AE is already locked, the camera device will not change the exposure time 573 * ({@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime}) and sensitivity ({@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity}) 574 * parameters. The flash may be fired if the {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} 575 * is ON_AUTO_FLASH/ON_AUTO_FLASH_REDEYE and the scene is too dark. If the 576 * {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} is ON_ALWAYS_FLASH, the scene may become overexposed.</p> 577 * <p>Since the camera device has a pipeline of in-flight requests, the settings that 578 * get locked do not necessarily correspond to the settings that were present in the 579 * latest capture result received from the camera device, since additional captures 580 * and AE updates may have occurred even before the result was sent out. If an 581 * application is switching between automatic and manual control and wishes to eliminate 582 * any flicker during the switch, the following procedure is recommended:</p> 583 * <ol> 584 * <li>Starting in auto-AE mode:</li> 585 * <li>Lock AE</li> 586 * <li>Wait for the first result to be output that has the AE locked</li> 587 * <li>Copy exposure settings from that result into a request, set the request to manual AE</li> 588 * <li>Submit the capture request, proceed to run manual AE as desired.</li> 589 * </ol> 590 * <p>See {@link CaptureResult#CONTROL_AE_STATE android.control.aeState} for AE lock related state transition details.</p> 591 * <p>This key is available on all devices.</p> 592 * 593 * @see CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION 594 * @see CaptureRequest#CONTROL_AE_MODE 595 * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER 596 * @see CaptureResult#CONTROL_AE_STATE 597 * @see CaptureRequest#SENSOR_EXPOSURE_TIME 598 * @see CaptureRequest#SENSOR_SENSITIVITY 599 */ 600 @PublicKey 601 public static final Key<Boolean> CONTROL_AE_LOCK = 602 new Key<Boolean>("android.control.aeLock", boolean.class); 603 604 /** 605 * <p>The desired mode for the camera device's 606 * auto-exposure routine.</p> 607 * <p>This control is only effective if {@link CaptureRequest#CONTROL_MODE android.control.mode} is 608 * AUTO.</p> 609 * <p>When set to any of the ON modes, the camera device's 610 * auto-exposure routine is enabled, overriding the 611 * application's selected exposure time, sensor sensitivity, 612 * and frame duration ({@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime}, 613 * {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity}, and 614 * {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration}). If one of the FLASH modes 615 * is selected, the camera device's flash unit controls are 616 * also overridden.</p> 617 * <p>The FLASH modes are only available if the camera device 618 * has a flash unit ({@link CameraCharacteristics#FLASH_INFO_AVAILABLE android.flash.info.available} is <code>true</code>).</p> 619 * <p>If flash TORCH mode is desired, this field must be set to 620 * ON or OFF, and {@link CaptureRequest#FLASH_MODE android.flash.mode} set to TORCH.</p> 621 * <p>When set to any of the ON modes, the values chosen by the 622 * camera device auto-exposure routine for the overridden 623 * fields for a given capture will be available in its 624 * CaptureResult.</p> 625 * <p><b>Possible values:</b> 626 * <ul> 627 * <li>{@link #CONTROL_AE_MODE_OFF OFF}</li> 628 * <li>{@link #CONTROL_AE_MODE_ON ON}</li> 629 * <li>{@link #CONTROL_AE_MODE_ON_AUTO_FLASH ON_AUTO_FLASH}</li> 630 * <li>{@link #CONTROL_AE_MODE_ON_ALWAYS_FLASH ON_ALWAYS_FLASH}</li> 631 * <li>{@link #CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE ON_AUTO_FLASH_REDEYE}</li> 632 * </ul></p> 633 * <p><b>Available values for this device:</b><br> 634 * {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_MODES android.control.aeAvailableModes}</p> 635 * <p>This key is available on all devices.</p> 636 * 637 * @see CameraCharacteristics#CONTROL_AE_AVAILABLE_MODES 638 * @see CaptureRequest#CONTROL_MODE 639 * @see CameraCharacteristics#FLASH_INFO_AVAILABLE 640 * @see CaptureRequest#FLASH_MODE 641 * @see CaptureRequest#SENSOR_EXPOSURE_TIME 642 * @see CaptureRequest#SENSOR_FRAME_DURATION 643 * @see CaptureRequest#SENSOR_SENSITIVITY 644 * @see #CONTROL_AE_MODE_OFF 645 * @see #CONTROL_AE_MODE_ON 646 * @see #CONTROL_AE_MODE_ON_AUTO_FLASH 647 * @see #CONTROL_AE_MODE_ON_ALWAYS_FLASH 648 * @see #CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE 649 */ 650 @PublicKey 651 public static final Key<Integer> CONTROL_AE_MODE = 652 new Key<Integer>("android.control.aeMode", int.class); 653 654 /** 655 * <p>List of metering areas to use for auto-exposure adjustment.</p> 656 * <p>Not available if {@link CameraCharacteristics#CONTROL_MAX_REGIONS_AE android.control.maxRegionsAe} is 0. 657 * Otherwise will always be present.</p> 658 * <p>The maximum number of regions supported by the device is determined by the value 659 * of {@link CameraCharacteristics#CONTROL_MAX_REGIONS_AE android.control.maxRegionsAe}.</p> 660 * <p>The coordinate system is based on the active pixel array, 661 * with (0,0) being the top-left pixel in the active pixel array, and 662 * ({@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.width - 1, 663 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.height - 1) being the 664 * bottom-right pixel in the active pixel array.</p> 665 * <p>The weight must be within <code>[0, 1000]</code>, and represents a weight 666 * for every pixel in the area. This means that a large metering area 667 * with the same weight as a smaller area will have more effect in 668 * the metering result. Metering areas can partially overlap and the 669 * camera device will add the weights in the overlap region.</p> 670 * <p>The weights are relative to weights of other exposure metering regions, so if only one 671 * region is used, all non-zero weights will have the same effect. A region with 0 672 * weight is ignored.</p> 673 * <p>If all regions have 0 weight, then no specific metering area needs to be used by the 674 * camera device.</p> 675 * <p>If the metering region is outside the used {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion} returned in 676 * capture result metadata, the camera device will ignore the sections outside the crop 677 * region and output only the intersection rectangle as the metering region in the result 678 * metadata. If the region is entirely outside the crop region, it will be ignored and 679 * not reported in the result metadata.</p> 680 * <p><b>Units</b>: Pixel coordinates within {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 681 * <p><b>Range of valid values:</b><br> 682 * Coordinates must be between <code>[(0,0), (width, height))</code> of 683 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 684 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 685 * 686 * @see CameraCharacteristics#CONTROL_MAX_REGIONS_AE 687 * @see CaptureRequest#SCALER_CROP_REGION 688 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 689 */ 690 @PublicKey 691 public static final Key<android.hardware.camera2.params.MeteringRectangle[]> CONTROL_AE_REGIONS = 692 new Key<android.hardware.camera2.params.MeteringRectangle[]>("android.control.aeRegions", android.hardware.camera2.params.MeteringRectangle[].class); 693 694 /** 695 * <p>Range over which the auto-exposure routine can 696 * adjust the capture frame rate to maintain good 697 * exposure.</p> 698 * <p>Only constrains auto-exposure (AE) algorithm, not 699 * manual control of {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime} and 700 * {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration}.</p> 701 * <p><b>Units</b>: Frames per second (FPS)</p> 702 * <p><b>Range of valid values:</b><br> 703 * Any of the entries in {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges}</p> 704 * <p>This key is available on all devices.</p> 705 * 706 * @see CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES 707 * @see CaptureRequest#SENSOR_EXPOSURE_TIME 708 * @see CaptureRequest#SENSOR_FRAME_DURATION 709 */ 710 @PublicKey 711 public static final Key<android.util.Range<Integer>> CONTROL_AE_TARGET_FPS_RANGE = 712 new Key<android.util.Range<Integer>>("android.control.aeTargetFpsRange", new TypeReference<android.util.Range<Integer>>() {{ }}); 713 714 /** 715 * <p>Whether the camera device will trigger a precapture 716 * metering sequence when it processes this request.</p> 717 * <p>This entry is normally set to IDLE, or is not 718 * included at all in the request settings. When included and 719 * set to START, the camera device will trigger the autoexposure 720 * precapture metering sequence.</p> 721 * <p>The precapture sequence should triggered before starting a 722 * high-quality still capture for final metering decisions to 723 * be made, and for firing pre-capture flash pulses to estimate 724 * scene brightness and required final capture flash power, when 725 * the flash is enabled.</p> 726 * <p>Normally, this entry should be set to START for only a 727 * single request, and the application should wait until the 728 * sequence completes before starting a new one.</p> 729 * <p>The exact effect of auto-exposure (AE) precapture trigger 730 * depends on the current AE mode and state; see 731 * {@link CaptureResult#CONTROL_AE_STATE android.control.aeState} for AE precapture state transition 732 * details.</p> 733 * <p>On LEGACY-level devices, the precapture trigger is not supported; 734 * capturing a high-resolution JPEG image will automatically trigger a 735 * precapture sequence before the high-resolution capture, including 736 * potentially firing a pre-capture flash.</p> 737 * <p><b>Possible values:</b> 738 * <ul> 739 * <li>{@link #CONTROL_AE_PRECAPTURE_TRIGGER_IDLE IDLE}</li> 740 * <li>{@link #CONTROL_AE_PRECAPTURE_TRIGGER_START START}</li> 741 * </ul></p> 742 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 743 * <p><b>Limited capability</b> - 744 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 745 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 746 * 747 * @see CaptureResult#CONTROL_AE_STATE 748 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 749 * @see #CONTROL_AE_PRECAPTURE_TRIGGER_IDLE 750 * @see #CONTROL_AE_PRECAPTURE_TRIGGER_START 751 */ 752 @PublicKey 753 public static final Key<Integer> CONTROL_AE_PRECAPTURE_TRIGGER = 754 new Key<Integer>("android.control.aePrecaptureTrigger", int.class); 755 756 /** 757 * <p>Current state of the auto-exposure (AE) algorithm.</p> 758 * <p>Switching between or enabling AE modes ({@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode}) always 759 * resets the AE state to INACTIVE. Similarly, switching between {@link CaptureRequest#CONTROL_MODE android.control.mode}, 760 * or {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode} if <code>{@link CaptureRequest#CONTROL_MODE android.control.mode} == USE_SCENE_MODE</code> resets all 761 * the algorithm states to INACTIVE.</p> 762 * <p>The camera device can do several state transitions between two results, if it is 763 * allowed by the state transition table. For example: INACTIVE may never actually be 764 * seen in a result.</p> 765 * <p>The state in the result is the state for this image (in sync with this image): if 766 * AE state becomes CONVERGED, then the image data associated with this result should 767 * be good to use.</p> 768 * <p>Below are state transition tables for different AE modes.</p> 769 * <table> 770 * <thead> 771 * <tr> 772 * <th align="center">State</th> 773 * <th align="center">Transition Cause</th> 774 * <th align="center">New State</th> 775 * <th align="center">Notes</th> 776 * </tr> 777 * </thead> 778 * <tbody> 779 * <tr> 780 * <td align="center">INACTIVE</td> 781 * <td align="center"></td> 782 * <td align="center">INACTIVE</td> 783 * <td align="center">Camera device auto exposure algorithm is disabled</td> 784 * </tr> 785 * </tbody> 786 * </table> 787 * <p>When {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} is AE_MODE_ON_*:</p> 788 * <table> 789 * <thead> 790 * <tr> 791 * <th align="center">State</th> 792 * <th align="center">Transition Cause</th> 793 * <th align="center">New State</th> 794 * <th align="center">Notes</th> 795 * </tr> 796 * </thead> 797 * <tbody> 798 * <tr> 799 * <td align="center">INACTIVE</td> 800 * <td align="center">Camera device initiates AE scan</td> 801 * <td align="center">SEARCHING</td> 802 * <td align="center">Values changing</td> 803 * </tr> 804 * <tr> 805 * <td align="center">INACTIVE</td> 806 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is ON</td> 807 * <td align="center">LOCKED</td> 808 * <td align="center">Values locked</td> 809 * </tr> 810 * <tr> 811 * <td align="center">SEARCHING</td> 812 * <td align="center">Camera device finishes AE scan</td> 813 * <td align="center">CONVERGED</td> 814 * <td align="center">Good values, not changing</td> 815 * </tr> 816 * <tr> 817 * <td align="center">SEARCHING</td> 818 * <td align="center">Camera device finishes AE scan</td> 819 * <td align="center">FLASH_REQUIRED</td> 820 * <td align="center">Converged but too dark w/o flash</td> 821 * </tr> 822 * <tr> 823 * <td align="center">SEARCHING</td> 824 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is ON</td> 825 * <td align="center">LOCKED</td> 826 * <td align="center">Values locked</td> 827 * </tr> 828 * <tr> 829 * <td align="center">CONVERGED</td> 830 * <td align="center">Camera device initiates AE scan</td> 831 * <td align="center">SEARCHING</td> 832 * <td align="center">Values changing</td> 833 * </tr> 834 * <tr> 835 * <td align="center">CONVERGED</td> 836 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is ON</td> 837 * <td align="center">LOCKED</td> 838 * <td align="center">Values locked</td> 839 * </tr> 840 * <tr> 841 * <td align="center">FLASH_REQUIRED</td> 842 * <td align="center">Camera device initiates AE scan</td> 843 * <td align="center">SEARCHING</td> 844 * <td align="center">Values changing</td> 845 * </tr> 846 * <tr> 847 * <td align="center">FLASH_REQUIRED</td> 848 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is ON</td> 849 * <td align="center">LOCKED</td> 850 * <td align="center">Values locked</td> 851 * </tr> 852 * <tr> 853 * <td align="center">LOCKED</td> 854 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is OFF</td> 855 * <td align="center">SEARCHING</td> 856 * <td align="center">Values not good after unlock</td> 857 * </tr> 858 * <tr> 859 * <td align="center">LOCKED</td> 860 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is OFF</td> 861 * <td align="center">CONVERGED</td> 862 * <td align="center">Values good after unlock</td> 863 * </tr> 864 * <tr> 865 * <td align="center">LOCKED</td> 866 * <td align="center">{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is OFF</td> 867 * <td align="center">FLASH_REQUIRED</td> 868 * <td align="center">Exposure good, but too dark</td> 869 * </tr> 870 * <tr> 871 * <td align="center">PRECAPTURE</td> 872 * <td align="center">Sequence done. {@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is OFF</td> 873 * <td align="center">CONVERGED</td> 874 * <td align="center">Ready for high-quality capture</td> 875 * </tr> 876 * <tr> 877 * <td align="center">PRECAPTURE</td> 878 * <td align="center">Sequence done. {@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock} is ON</td> 879 * <td align="center">LOCKED</td> 880 * <td align="center">Ready for high-quality capture</td> 881 * </tr> 882 * <tr> 883 * <td align="center">Any state</td> 884 * <td align="center">{@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger} is START</td> 885 * <td align="center">PRECAPTURE</td> 886 * <td align="center">Start AE precapture metering sequence</td> 887 * </tr> 888 * </tbody> 889 * </table> 890 * <p>For the above table, the camera device may skip reporting any state changes that happen 891 * without application intervention (i.e. mode switch, trigger, locking). Any state that 892 * can be skipped in that manner is called a transient state.</p> 893 * <p>For example, for above AE modes (AE_MODE_ON_*), in addition to the state transitions 894 * listed in above table, it is also legal for the camera device to skip one or more 895 * transient states between two results. See below table for examples:</p> 896 * <table> 897 * <thead> 898 * <tr> 899 * <th align="center">State</th> 900 * <th align="center">Transition Cause</th> 901 * <th align="center">New State</th> 902 * <th align="center">Notes</th> 903 * </tr> 904 * </thead> 905 * <tbody> 906 * <tr> 907 * <td align="center">INACTIVE</td> 908 * <td align="center">Camera device finished AE scan</td> 909 * <td align="center">CONVERGED</td> 910 * <td align="center">Values are already good, transient states are skipped by camera device.</td> 911 * </tr> 912 * <tr> 913 * <td align="center">Any state</td> 914 * <td align="center">{@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger} is START, sequence done</td> 915 * <td align="center">FLASH_REQUIRED</td> 916 * <td align="center">Converged but too dark w/o flash after a precapture sequence, transient states are skipped by camera device.</td> 917 * </tr> 918 * <tr> 919 * <td align="center">Any state</td> 920 * <td align="center">{@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger} is START, sequence done</td> 921 * <td align="center">CONVERGED</td> 922 * <td align="center">Converged after a precapture sequence, transient states are skipped by camera device.</td> 923 * </tr> 924 * <tr> 925 * <td align="center">CONVERGED</td> 926 * <td align="center">Camera device finished AE scan</td> 927 * <td align="center">FLASH_REQUIRED</td> 928 * <td align="center">Converged but too dark w/o flash after a new scan, transient states are skipped by camera device.</td> 929 * </tr> 930 * <tr> 931 * <td align="center">FLASH_REQUIRED</td> 932 * <td align="center">Camera device finished AE scan</td> 933 * <td align="center">CONVERGED</td> 934 * <td align="center">Converged after a new scan, transient states are skipped by camera device.</td> 935 * </tr> 936 * </tbody> 937 * </table> 938 * <p><b>Possible values:</b> 939 * <ul> 940 * <li>{@link #CONTROL_AE_STATE_INACTIVE INACTIVE}</li> 941 * <li>{@link #CONTROL_AE_STATE_SEARCHING SEARCHING}</li> 942 * <li>{@link #CONTROL_AE_STATE_CONVERGED CONVERGED}</li> 943 * <li>{@link #CONTROL_AE_STATE_LOCKED LOCKED}</li> 944 * <li>{@link #CONTROL_AE_STATE_FLASH_REQUIRED FLASH_REQUIRED}</li> 945 * <li>{@link #CONTROL_AE_STATE_PRECAPTURE PRECAPTURE}</li> 946 * </ul></p> 947 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 948 * <p><b>Limited capability</b> - 949 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 950 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 951 * 952 * @see CaptureRequest#CONTROL_AE_LOCK 953 * @see CaptureRequest#CONTROL_AE_MODE 954 * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER 955 * @see CaptureRequest#CONTROL_MODE 956 * @see CaptureRequest#CONTROL_SCENE_MODE 957 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 958 * @see #CONTROL_AE_STATE_INACTIVE 959 * @see #CONTROL_AE_STATE_SEARCHING 960 * @see #CONTROL_AE_STATE_CONVERGED 961 * @see #CONTROL_AE_STATE_LOCKED 962 * @see #CONTROL_AE_STATE_FLASH_REQUIRED 963 * @see #CONTROL_AE_STATE_PRECAPTURE 964 */ 965 @PublicKey 966 public static final Key<Integer> CONTROL_AE_STATE = 967 new Key<Integer>("android.control.aeState", int.class); 968 969 /** 970 * <p>Whether auto-focus (AF) is currently enabled, and what 971 * mode it is set to.</p> 972 * <p>Only effective if {@link CaptureRequest#CONTROL_MODE android.control.mode} = AUTO and the lens is not fixed focus 973 * (i.e. <code>{@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} > 0</code>).</p> 974 * <p>If the lens is controlled by the camera device auto-focus algorithm, 975 * the camera device will report the current AF status in {@link CaptureResult#CONTROL_AF_STATE android.control.afState} 976 * in result metadata.</p> 977 * <p><b>Possible values:</b> 978 * <ul> 979 * <li>{@link #CONTROL_AF_MODE_OFF OFF}</li> 980 * <li>{@link #CONTROL_AF_MODE_AUTO AUTO}</li> 981 * <li>{@link #CONTROL_AF_MODE_MACRO MACRO}</li> 982 * <li>{@link #CONTROL_AF_MODE_CONTINUOUS_VIDEO CONTINUOUS_VIDEO}</li> 983 * <li>{@link #CONTROL_AF_MODE_CONTINUOUS_PICTURE CONTINUOUS_PICTURE}</li> 984 * <li>{@link #CONTROL_AF_MODE_EDOF EDOF}</li> 985 * </ul></p> 986 * <p><b>Available values for this device:</b><br> 987 * {@link CameraCharacteristics#CONTROL_AF_AVAILABLE_MODES android.control.afAvailableModes}</p> 988 * <p>This key is available on all devices.</p> 989 * 990 * @see CameraCharacteristics#CONTROL_AF_AVAILABLE_MODES 991 * @see CaptureResult#CONTROL_AF_STATE 992 * @see CaptureRequest#CONTROL_MODE 993 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 994 * @see #CONTROL_AF_MODE_OFF 995 * @see #CONTROL_AF_MODE_AUTO 996 * @see #CONTROL_AF_MODE_MACRO 997 * @see #CONTROL_AF_MODE_CONTINUOUS_VIDEO 998 * @see #CONTROL_AF_MODE_CONTINUOUS_PICTURE 999 * @see #CONTROL_AF_MODE_EDOF 1000 */ 1001 @PublicKey 1002 public static final Key<Integer> CONTROL_AF_MODE = 1003 new Key<Integer>("android.control.afMode", int.class); 1004 1005 /** 1006 * <p>List of metering areas to use for auto-focus.</p> 1007 * <p>Not available if {@link CameraCharacteristics#CONTROL_MAX_REGIONS_AF android.control.maxRegionsAf} is 0. 1008 * Otherwise will always be present.</p> 1009 * <p>The maximum number of focus areas supported by the device is determined by the value 1010 * of {@link CameraCharacteristics#CONTROL_MAX_REGIONS_AF android.control.maxRegionsAf}.</p> 1011 * <p>The coordinate system is based on the active pixel array, 1012 * with (0,0) being the top-left pixel in the active pixel array, and 1013 * ({@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.width - 1, 1014 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.height - 1) being the 1015 * bottom-right pixel in the active pixel array.</p> 1016 * <p>The weight must be within <code>[0, 1000]</code>, and represents a weight 1017 * for every pixel in the area. This means that a large metering area 1018 * with the same weight as a smaller area will have more effect in 1019 * the metering result. Metering areas can partially overlap and the 1020 * camera device will add the weights in the overlap region.</p> 1021 * <p>The weights are relative to weights of other metering regions, so if only one region 1022 * is used, all non-zero weights will have the same effect. A region with 0 weight is 1023 * ignored.</p> 1024 * <p>If all regions have 0 weight, then no specific metering area needs to be used by the 1025 * camera device.</p> 1026 * <p>If the metering region is outside the used {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion} returned in 1027 * capture result metadata, the camera device will ignore the sections outside the crop 1028 * region and output only the intersection rectangle as the metering region in the result 1029 * metadata. If the region is entirely outside the crop region, it will be ignored and 1030 * not reported in the result metadata.</p> 1031 * <p><b>Units</b>: Pixel coordinates within {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 1032 * <p><b>Range of valid values:</b><br> 1033 * Coordinates must be between <code>[(0,0), (width, height))</code> of 1034 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 1035 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1036 * 1037 * @see CameraCharacteristics#CONTROL_MAX_REGIONS_AF 1038 * @see CaptureRequest#SCALER_CROP_REGION 1039 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1040 */ 1041 @PublicKey 1042 public static final Key<android.hardware.camera2.params.MeteringRectangle[]> CONTROL_AF_REGIONS = 1043 new Key<android.hardware.camera2.params.MeteringRectangle[]>("android.control.afRegions", android.hardware.camera2.params.MeteringRectangle[].class); 1044 1045 /** 1046 * <p>Whether the camera device will trigger autofocus for this request.</p> 1047 * <p>This entry is normally set to IDLE, or is not 1048 * included at all in the request settings.</p> 1049 * <p>When included and set to START, the camera device will trigger the 1050 * autofocus algorithm. If autofocus is disabled, this trigger has no effect.</p> 1051 * <p>When set to CANCEL, the camera device will cancel any active trigger, 1052 * and return to its initial AF state.</p> 1053 * <p>Generally, applications should set this entry to START or CANCEL for only a 1054 * single capture, and then return it to IDLE (or not set at all). Specifying 1055 * START for multiple captures in a row means restarting the AF operation over 1056 * and over again.</p> 1057 * <p>See {@link CaptureResult#CONTROL_AF_STATE android.control.afState} for what the trigger means for each AF mode.</p> 1058 * <p><b>Possible values:</b> 1059 * <ul> 1060 * <li>{@link #CONTROL_AF_TRIGGER_IDLE IDLE}</li> 1061 * <li>{@link #CONTROL_AF_TRIGGER_START START}</li> 1062 * <li>{@link #CONTROL_AF_TRIGGER_CANCEL CANCEL}</li> 1063 * </ul></p> 1064 * <p>This key is available on all devices.</p> 1065 * 1066 * @see CaptureResult#CONTROL_AF_STATE 1067 * @see #CONTROL_AF_TRIGGER_IDLE 1068 * @see #CONTROL_AF_TRIGGER_START 1069 * @see #CONTROL_AF_TRIGGER_CANCEL 1070 */ 1071 @PublicKey 1072 public static final Key<Integer> CONTROL_AF_TRIGGER = 1073 new Key<Integer>("android.control.afTrigger", int.class); 1074 1075 /** 1076 * <p>Current state of auto-focus (AF) algorithm.</p> 1077 * <p>Switching between or enabling AF modes ({@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}) always 1078 * resets the AF state to INACTIVE. Similarly, switching between {@link CaptureRequest#CONTROL_MODE android.control.mode}, 1079 * or {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode} if <code>{@link CaptureRequest#CONTROL_MODE android.control.mode} == USE_SCENE_MODE</code> resets all 1080 * the algorithm states to INACTIVE.</p> 1081 * <p>The camera device can do several state transitions between two results, if it is 1082 * allowed by the state transition table. For example: INACTIVE may never actually be 1083 * seen in a result.</p> 1084 * <p>The state in the result is the state for this image (in sync with this image): if 1085 * AF state becomes FOCUSED, then the image data associated with this result should 1086 * be sharp.</p> 1087 * <p>Below are state transition tables for different AF modes.</p> 1088 * <p>When {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} is AF_MODE_OFF or AF_MODE_EDOF:</p> 1089 * <table> 1090 * <thead> 1091 * <tr> 1092 * <th align="center">State</th> 1093 * <th align="center">Transition Cause</th> 1094 * <th align="center">New State</th> 1095 * <th align="center">Notes</th> 1096 * </tr> 1097 * </thead> 1098 * <tbody> 1099 * <tr> 1100 * <td align="center">INACTIVE</td> 1101 * <td align="center"></td> 1102 * <td align="center">INACTIVE</td> 1103 * <td align="center">Never changes</td> 1104 * </tr> 1105 * </tbody> 1106 * </table> 1107 * <p>When {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} is AF_MODE_AUTO or AF_MODE_MACRO:</p> 1108 * <table> 1109 * <thead> 1110 * <tr> 1111 * <th align="center">State</th> 1112 * <th align="center">Transition Cause</th> 1113 * <th align="center">New State</th> 1114 * <th align="center">Notes</th> 1115 * </tr> 1116 * </thead> 1117 * <tbody> 1118 * <tr> 1119 * <td align="center">INACTIVE</td> 1120 * <td align="center">AF_TRIGGER</td> 1121 * <td align="center">ACTIVE_SCAN</td> 1122 * <td align="center">Start AF sweep, Lens now moving</td> 1123 * </tr> 1124 * <tr> 1125 * <td align="center">ACTIVE_SCAN</td> 1126 * <td align="center">AF sweep done</td> 1127 * <td align="center">FOCUSED_LOCKED</td> 1128 * <td align="center">Focused, Lens now locked</td> 1129 * </tr> 1130 * <tr> 1131 * <td align="center">ACTIVE_SCAN</td> 1132 * <td align="center">AF sweep done</td> 1133 * <td align="center">NOT_FOCUSED_LOCKED</td> 1134 * <td align="center">Not focused, Lens now locked</td> 1135 * </tr> 1136 * <tr> 1137 * <td align="center">ACTIVE_SCAN</td> 1138 * <td align="center">AF_CANCEL</td> 1139 * <td align="center">INACTIVE</td> 1140 * <td align="center">Cancel/reset AF, Lens now locked</td> 1141 * </tr> 1142 * <tr> 1143 * <td align="center">FOCUSED_LOCKED</td> 1144 * <td align="center">AF_CANCEL</td> 1145 * <td align="center">INACTIVE</td> 1146 * <td align="center">Cancel/reset AF</td> 1147 * </tr> 1148 * <tr> 1149 * <td align="center">FOCUSED_LOCKED</td> 1150 * <td align="center">AF_TRIGGER</td> 1151 * <td align="center">ACTIVE_SCAN</td> 1152 * <td align="center">Start new sweep, Lens now moving</td> 1153 * </tr> 1154 * <tr> 1155 * <td align="center">NOT_FOCUSED_LOCKED</td> 1156 * <td align="center">AF_CANCEL</td> 1157 * <td align="center">INACTIVE</td> 1158 * <td align="center">Cancel/reset AF</td> 1159 * </tr> 1160 * <tr> 1161 * <td align="center">NOT_FOCUSED_LOCKED</td> 1162 * <td align="center">AF_TRIGGER</td> 1163 * <td align="center">ACTIVE_SCAN</td> 1164 * <td align="center">Start new sweep, Lens now moving</td> 1165 * </tr> 1166 * <tr> 1167 * <td align="center">Any state</td> 1168 * <td align="center">Mode change</td> 1169 * <td align="center">INACTIVE</td> 1170 * <td align="center"></td> 1171 * </tr> 1172 * </tbody> 1173 * </table> 1174 * <p>For the above table, the camera device may skip reporting any state changes that happen 1175 * without application intervention (i.e. mode switch, trigger, locking). Any state that 1176 * can be skipped in that manner is called a transient state.</p> 1177 * <p>For example, for these AF modes (AF_MODE_AUTO and AF_MODE_MACRO), in addition to the 1178 * state transitions listed in above table, it is also legal for the camera device to skip 1179 * one or more transient states between two results. See below table for examples:</p> 1180 * <table> 1181 * <thead> 1182 * <tr> 1183 * <th align="center">State</th> 1184 * <th align="center">Transition Cause</th> 1185 * <th align="center">New State</th> 1186 * <th align="center">Notes</th> 1187 * </tr> 1188 * </thead> 1189 * <tbody> 1190 * <tr> 1191 * <td align="center">INACTIVE</td> 1192 * <td align="center">AF_TRIGGER</td> 1193 * <td align="center">FOCUSED_LOCKED</td> 1194 * <td align="center">Focus is already good or good after a scan, lens is now locked.</td> 1195 * </tr> 1196 * <tr> 1197 * <td align="center">INACTIVE</td> 1198 * <td align="center">AF_TRIGGER</td> 1199 * <td align="center">NOT_FOCUSED_LOCKED</td> 1200 * <td align="center">Focus failed after a scan, lens is now locked.</td> 1201 * </tr> 1202 * <tr> 1203 * <td align="center">FOCUSED_LOCKED</td> 1204 * <td align="center">AF_TRIGGER</td> 1205 * <td align="center">FOCUSED_LOCKED</td> 1206 * <td align="center">Focus is already good or good after a scan, lens is now locked.</td> 1207 * </tr> 1208 * <tr> 1209 * <td align="center">NOT_FOCUSED_LOCKED</td> 1210 * <td align="center">AF_TRIGGER</td> 1211 * <td align="center">FOCUSED_LOCKED</td> 1212 * <td align="center">Focus is good after a scan, lens is not locked.</td> 1213 * </tr> 1214 * </tbody> 1215 * </table> 1216 * <p>When {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} is AF_MODE_CONTINUOUS_VIDEO:</p> 1217 * <table> 1218 * <thead> 1219 * <tr> 1220 * <th align="center">State</th> 1221 * <th align="center">Transition Cause</th> 1222 * <th align="center">New State</th> 1223 * <th align="center">Notes</th> 1224 * </tr> 1225 * </thead> 1226 * <tbody> 1227 * <tr> 1228 * <td align="center">INACTIVE</td> 1229 * <td align="center">Camera device initiates new scan</td> 1230 * <td align="center">PASSIVE_SCAN</td> 1231 * <td align="center">Start AF scan, Lens now moving</td> 1232 * </tr> 1233 * <tr> 1234 * <td align="center">INACTIVE</td> 1235 * <td align="center">AF_TRIGGER</td> 1236 * <td align="center">NOT_FOCUSED_LOCKED</td> 1237 * <td align="center">AF state query, Lens now locked</td> 1238 * </tr> 1239 * <tr> 1240 * <td align="center">PASSIVE_SCAN</td> 1241 * <td align="center">Camera device completes current scan</td> 1242 * <td align="center">PASSIVE_FOCUSED</td> 1243 * <td align="center">End AF scan, Lens now locked</td> 1244 * </tr> 1245 * <tr> 1246 * <td align="center">PASSIVE_SCAN</td> 1247 * <td align="center">Camera device fails current scan</td> 1248 * <td align="center">PASSIVE_UNFOCUSED</td> 1249 * <td align="center">End AF scan, Lens now locked</td> 1250 * </tr> 1251 * <tr> 1252 * <td align="center">PASSIVE_SCAN</td> 1253 * <td align="center">AF_TRIGGER</td> 1254 * <td align="center">FOCUSED_LOCKED</td> 1255 * <td align="center">Immediate transition, if focus is good. Lens now locked</td> 1256 * </tr> 1257 * <tr> 1258 * <td align="center">PASSIVE_SCAN</td> 1259 * <td align="center">AF_TRIGGER</td> 1260 * <td align="center">NOT_FOCUSED_LOCKED</td> 1261 * <td align="center">Immediate transition, if focus is bad. Lens now locked</td> 1262 * </tr> 1263 * <tr> 1264 * <td align="center">PASSIVE_SCAN</td> 1265 * <td align="center">AF_CANCEL</td> 1266 * <td align="center">INACTIVE</td> 1267 * <td align="center">Reset lens position, Lens now locked</td> 1268 * </tr> 1269 * <tr> 1270 * <td align="center">PASSIVE_FOCUSED</td> 1271 * <td align="center">Camera device initiates new scan</td> 1272 * <td align="center">PASSIVE_SCAN</td> 1273 * <td align="center">Start AF scan, Lens now moving</td> 1274 * </tr> 1275 * <tr> 1276 * <td align="center">PASSIVE_UNFOCUSED</td> 1277 * <td align="center">Camera device initiates new scan</td> 1278 * <td align="center">PASSIVE_SCAN</td> 1279 * <td align="center">Start AF scan, Lens now moving</td> 1280 * </tr> 1281 * <tr> 1282 * <td align="center">PASSIVE_FOCUSED</td> 1283 * <td align="center">AF_TRIGGER</td> 1284 * <td align="center">FOCUSED_LOCKED</td> 1285 * <td align="center">Immediate transition, lens now locked</td> 1286 * </tr> 1287 * <tr> 1288 * <td align="center">PASSIVE_UNFOCUSED</td> 1289 * <td align="center">AF_TRIGGER</td> 1290 * <td align="center">NOT_FOCUSED_LOCKED</td> 1291 * <td align="center">Immediate transition, lens now locked</td> 1292 * </tr> 1293 * <tr> 1294 * <td align="center">FOCUSED_LOCKED</td> 1295 * <td align="center">AF_TRIGGER</td> 1296 * <td align="center">FOCUSED_LOCKED</td> 1297 * <td align="center">No effect</td> 1298 * </tr> 1299 * <tr> 1300 * <td align="center">FOCUSED_LOCKED</td> 1301 * <td align="center">AF_CANCEL</td> 1302 * <td align="center">INACTIVE</td> 1303 * <td align="center">Restart AF scan</td> 1304 * </tr> 1305 * <tr> 1306 * <td align="center">NOT_FOCUSED_LOCKED</td> 1307 * <td align="center">AF_TRIGGER</td> 1308 * <td align="center">NOT_FOCUSED_LOCKED</td> 1309 * <td align="center">No effect</td> 1310 * </tr> 1311 * <tr> 1312 * <td align="center">NOT_FOCUSED_LOCKED</td> 1313 * <td align="center">AF_CANCEL</td> 1314 * <td align="center">INACTIVE</td> 1315 * <td align="center">Restart AF scan</td> 1316 * </tr> 1317 * </tbody> 1318 * </table> 1319 * <p>When {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} is AF_MODE_CONTINUOUS_PICTURE:</p> 1320 * <table> 1321 * <thead> 1322 * <tr> 1323 * <th align="center">State</th> 1324 * <th align="center">Transition Cause</th> 1325 * <th align="center">New State</th> 1326 * <th align="center">Notes</th> 1327 * </tr> 1328 * </thead> 1329 * <tbody> 1330 * <tr> 1331 * <td align="center">INACTIVE</td> 1332 * <td align="center">Camera device initiates new scan</td> 1333 * <td align="center">PASSIVE_SCAN</td> 1334 * <td align="center">Start AF scan, Lens now moving</td> 1335 * </tr> 1336 * <tr> 1337 * <td align="center">INACTIVE</td> 1338 * <td align="center">AF_TRIGGER</td> 1339 * <td align="center">NOT_FOCUSED_LOCKED</td> 1340 * <td align="center">AF state query, Lens now locked</td> 1341 * </tr> 1342 * <tr> 1343 * <td align="center">PASSIVE_SCAN</td> 1344 * <td align="center">Camera device completes current scan</td> 1345 * <td align="center">PASSIVE_FOCUSED</td> 1346 * <td align="center">End AF scan, Lens now locked</td> 1347 * </tr> 1348 * <tr> 1349 * <td align="center">PASSIVE_SCAN</td> 1350 * <td align="center">Camera device fails current scan</td> 1351 * <td align="center">PASSIVE_UNFOCUSED</td> 1352 * <td align="center">End AF scan, Lens now locked</td> 1353 * </tr> 1354 * <tr> 1355 * <td align="center">PASSIVE_SCAN</td> 1356 * <td align="center">AF_TRIGGER</td> 1357 * <td align="center">FOCUSED_LOCKED</td> 1358 * <td align="center">Eventual transition once the focus is good. Lens now locked</td> 1359 * </tr> 1360 * <tr> 1361 * <td align="center">PASSIVE_SCAN</td> 1362 * <td align="center">AF_TRIGGER</td> 1363 * <td align="center">NOT_FOCUSED_LOCKED</td> 1364 * <td align="center">Eventual transition if cannot find focus. Lens now locked</td> 1365 * </tr> 1366 * <tr> 1367 * <td align="center">PASSIVE_SCAN</td> 1368 * <td align="center">AF_CANCEL</td> 1369 * <td align="center">INACTIVE</td> 1370 * <td align="center">Reset lens position, Lens now locked</td> 1371 * </tr> 1372 * <tr> 1373 * <td align="center">PASSIVE_FOCUSED</td> 1374 * <td align="center">Camera device initiates new scan</td> 1375 * <td align="center">PASSIVE_SCAN</td> 1376 * <td align="center">Start AF scan, Lens now moving</td> 1377 * </tr> 1378 * <tr> 1379 * <td align="center">PASSIVE_UNFOCUSED</td> 1380 * <td align="center">Camera device initiates new scan</td> 1381 * <td align="center">PASSIVE_SCAN</td> 1382 * <td align="center">Start AF scan, Lens now moving</td> 1383 * </tr> 1384 * <tr> 1385 * <td align="center">PASSIVE_FOCUSED</td> 1386 * <td align="center">AF_TRIGGER</td> 1387 * <td align="center">FOCUSED_LOCKED</td> 1388 * <td align="center">Immediate trans. Lens now locked</td> 1389 * </tr> 1390 * <tr> 1391 * <td align="center">PASSIVE_UNFOCUSED</td> 1392 * <td align="center">AF_TRIGGER</td> 1393 * <td align="center">NOT_FOCUSED_LOCKED</td> 1394 * <td align="center">Immediate trans. Lens now locked</td> 1395 * </tr> 1396 * <tr> 1397 * <td align="center">FOCUSED_LOCKED</td> 1398 * <td align="center">AF_TRIGGER</td> 1399 * <td align="center">FOCUSED_LOCKED</td> 1400 * <td align="center">No effect</td> 1401 * </tr> 1402 * <tr> 1403 * <td align="center">FOCUSED_LOCKED</td> 1404 * <td align="center">AF_CANCEL</td> 1405 * <td align="center">INACTIVE</td> 1406 * <td align="center">Restart AF scan</td> 1407 * </tr> 1408 * <tr> 1409 * <td align="center">NOT_FOCUSED_LOCKED</td> 1410 * <td align="center">AF_TRIGGER</td> 1411 * <td align="center">NOT_FOCUSED_LOCKED</td> 1412 * <td align="center">No effect</td> 1413 * </tr> 1414 * <tr> 1415 * <td align="center">NOT_FOCUSED_LOCKED</td> 1416 * <td align="center">AF_CANCEL</td> 1417 * <td align="center">INACTIVE</td> 1418 * <td align="center">Restart AF scan</td> 1419 * </tr> 1420 * </tbody> 1421 * </table> 1422 * <p>When switch between AF_MODE_CONTINUOUS_* (CAF modes) and AF_MODE_AUTO/AF_MODE_MACRO 1423 * (AUTO modes), the initial INACTIVE or PASSIVE_SCAN states may be skipped by the 1424 * camera device. When a trigger is included in a mode switch request, the trigger 1425 * will be evaluated in the context of the new mode in the request. 1426 * See below table for examples:</p> 1427 * <table> 1428 * <thead> 1429 * <tr> 1430 * <th align="center">State</th> 1431 * <th align="center">Transition Cause</th> 1432 * <th align="center">New State</th> 1433 * <th align="center">Notes</th> 1434 * </tr> 1435 * </thead> 1436 * <tbody> 1437 * <tr> 1438 * <td align="center">any state</td> 1439 * <td align="center">CAF-->AUTO mode switch</td> 1440 * <td align="center">INACTIVE</td> 1441 * <td align="center">Mode switch without trigger, initial state must be INACTIVE</td> 1442 * </tr> 1443 * <tr> 1444 * <td align="center">any state</td> 1445 * <td align="center">CAF-->AUTO mode switch with AF_TRIGGER</td> 1446 * <td align="center">trigger-reachable states from INACTIVE</td> 1447 * <td align="center">Mode switch with trigger, INACTIVE is skipped</td> 1448 * </tr> 1449 * <tr> 1450 * <td align="center">any state</td> 1451 * <td align="center">AUTO-->CAF mode switch</td> 1452 * <td align="center">passively reachable states from INACTIVE</td> 1453 * <td align="center">Mode switch without trigger, passive transient state is skipped</td> 1454 * </tr> 1455 * </tbody> 1456 * </table> 1457 * <p><b>Possible values:</b> 1458 * <ul> 1459 * <li>{@link #CONTROL_AF_STATE_INACTIVE INACTIVE}</li> 1460 * <li>{@link #CONTROL_AF_STATE_PASSIVE_SCAN PASSIVE_SCAN}</li> 1461 * <li>{@link #CONTROL_AF_STATE_PASSIVE_FOCUSED PASSIVE_FOCUSED}</li> 1462 * <li>{@link #CONTROL_AF_STATE_ACTIVE_SCAN ACTIVE_SCAN}</li> 1463 * <li>{@link #CONTROL_AF_STATE_FOCUSED_LOCKED FOCUSED_LOCKED}</li> 1464 * <li>{@link #CONTROL_AF_STATE_NOT_FOCUSED_LOCKED NOT_FOCUSED_LOCKED}</li> 1465 * <li>{@link #CONTROL_AF_STATE_PASSIVE_UNFOCUSED PASSIVE_UNFOCUSED}</li> 1466 * </ul></p> 1467 * <p>This key is available on all devices.</p> 1468 * 1469 * @see CaptureRequest#CONTROL_AF_MODE 1470 * @see CaptureRequest#CONTROL_MODE 1471 * @see CaptureRequest#CONTROL_SCENE_MODE 1472 * @see #CONTROL_AF_STATE_INACTIVE 1473 * @see #CONTROL_AF_STATE_PASSIVE_SCAN 1474 * @see #CONTROL_AF_STATE_PASSIVE_FOCUSED 1475 * @see #CONTROL_AF_STATE_ACTIVE_SCAN 1476 * @see #CONTROL_AF_STATE_FOCUSED_LOCKED 1477 * @see #CONTROL_AF_STATE_NOT_FOCUSED_LOCKED 1478 * @see #CONTROL_AF_STATE_PASSIVE_UNFOCUSED 1479 */ 1480 @PublicKey 1481 public static final Key<Integer> CONTROL_AF_STATE = 1482 new Key<Integer>("android.control.afState", int.class); 1483 1484 /** 1485 * <p>Whether auto-white balance (AWB) is currently locked to its 1486 * latest calculated values.</p> 1487 * <p>When set to <code>true</code> (ON), the AWB algorithm is locked to its latest parameters, 1488 * and will not change color balance settings until the lock is set to <code>false</code> (OFF).</p> 1489 * <p>Since the camera device has a pipeline of in-flight requests, the settings that 1490 * get locked do not necessarily correspond to the settings that were present in the 1491 * latest capture result received from the camera device, since additional captures 1492 * and AWB updates may have occurred even before the result was sent out. If an 1493 * application is switching between automatic and manual control and wishes to eliminate 1494 * any flicker during the switch, the following procedure is recommended:</p> 1495 * <ol> 1496 * <li>Starting in auto-AWB mode:</li> 1497 * <li>Lock AWB</li> 1498 * <li>Wait for the first result to be output that has the AWB locked</li> 1499 * <li>Copy AWB settings from that result into a request, set the request to manual AWB</li> 1500 * <li>Submit the capture request, proceed to run manual AWB as desired.</li> 1501 * </ol> 1502 * <p>Note that AWB lock is only meaningful when 1503 * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} is in the AUTO mode; in other modes, 1504 * AWB is already fixed to a specific setting.</p> 1505 * <p>Some LEGACY devices may not support ON; the value is then overridden to OFF.</p> 1506 * <p>This key is available on all devices.</p> 1507 * 1508 * @see CaptureRequest#CONTROL_AWB_MODE 1509 */ 1510 @PublicKey 1511 public static final Key<Boolean> CONTROL_AWB_LOCK = 1512 new Key<Boolean>("android.control.awbLock", boolean.class); 1513 1514 /** 1515 * <p>Whether auto-white balance (AWB) is currently setting the color 1516 * transform fields, and what its illumination target 1517 * is.</p> 1518 * <p>This control is only effective if {@link CaptureRequest#CONTROL_MODE android.control.mode} is AUTO.</p> 1519 * <p>When set to the ON mode, the camera device's auto-white balance 1520 * routine is enabled, overriding the application's selected 1521 * {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}, {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} and 1522 * {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode}.</p> 1523 * <p>When set to the OFF mode, the camera device's auto-white balance 1524 * routine is disabled. The application manually controls the white 1525 * balance by {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}, {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} 1526 * and {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode}.</p> 1527 * <p>When set to any other modes, the camera device's auto-white 1528 * balance routine is disabled. The camera device uses each 1529 * particular illumination target for white balance 1530 * adjustment. The application's values for 1531 * {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}, 1532 * {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} and 1533 * {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} are ignored.</p> 1534 * <p><b>Possible values:</b> 1535 * <ul> 1536 * <li>{@link #CONTROL_AWB_MODE_OFF OFF}</li> 1537 * <li>{@link #CONTROL_AWB_MODE_AUTO AUTO}</li> 1538 * <li>{@link #CONTROL_AWB_MODE_INCANDESCENT INCANDESCENT}</li> 1539 * <li>{@link #CONTROL_AWB_MODE_FLUORESCENT FLUORESCENT}</li> 1540 * <li>{@link #CONTROL_AWB_MODE_WARM_FLUORESCENT WARM_FLUORESCENT}</li> 1541 * <li>{@link #CONTROL_AWB_MODE_DAYLIGHT DAYLIGHT}</li> 1542 * <li>{@link #CONTROL_AWB_MODE_CLOUDY_DAYLIGHT CLOUDY_DAYLIGHT}</li> 1543 * <li>{@link #CONTROL_AWB_MODE_TWILIGHT TWILIGHT}</li> 1544 * <li>{@link #CONTROL_AWB_MODE_SHADE SHADE}</li> 1545 * </ul></p> 1546 * <p><b>Available values for this device:</b><br> 1547 * {@link CameraCharacteristics#CONTROL_AWB_AVAILABLE_MODES android.control.awbAvailableModes}</p> 1548 * <p>This key is available on all devices.</p> 1549 * 1550 * @see CaptureRequest#COLOR_CORRECTION_GAINS 1551 * @see CaptureRequest#COLOR_CORRECTION_MODE 1552 * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM 1553 * @see CameraCharacteristics#CONTROL_AWB_AVAILABLE_MODES 1554 * @see CaptureRequest#CONTROL_MODE 1555 * @see #CONTROL_AWB_MODE_OFF 1556 * @see #CONTROL_AWB_MODE_AUTO 1557 * @see #CONTROL_AWB_MODE_INCANDESCENT 1558 * @see #CONTROL_AWB_MODE_FLUORESCENT 1559 * @see #CONTROL_AWB_MODE_WARM_FLUORESCENT 1560 * @see #CONTROL_AWB_MODE_DAYLIGHT 1561 * @see #CONTROL_AWB_MODE_CLOUDY_DAYLIGHT 1562 * @see #CONTROL_AWB_MODE_TWILIGHT 1563 * @see #CONTROL_AWB_MODE_SHADE 1564 */ 1565 @PublicKey 1566 public static final Key<Integer> CONTROL_AWB_MODE = 1567 new Key<Integer>("android.control.awbMode", int.class); 1568 1569 /** 1570 * <p>List of metering areas to use for auto-white-balance illuminant 1571 * estimation.</p> 1572 * <p>Not available if {@link CameraCharacteristics#CONTROL_MAX_REGIONS_AWB android.control.maxRegionsAwb} is 0. 1573 * Otherwise will always be present.</p> 1574 * <p>The maximum number of regions supported by the device is determined by the value 1575 * of {@link CameraCharacteristics#CONTROL_MAX_REGIONS_AWB android.control.maxRegionsAwb}.</p> 1576 * <p>The coordinate system is based on the active pixel array, 1577 * with (0,0) being the top-left pixel in the active pixel array, and 1578 * ({@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.width - 1, 1579 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.height - 1) being the 1580 * bottom-right pixel in the active pixel array.</p> 1581 * <p>The weight must range from 0 to 1000, and represents a weight 1582 * for every pixel in the area. This means that a large metering area 1583 * with the same weight as a smaller area will have more effect in 1584 * the metering result. Metering areas can partially overlap and the 1585 * camera device will add the weights in the overlap region.</p> 1586 * <p>The weights are relative to weights of other white balance metering regions, so if 1587 * only one region is used, all non-zero weights will have the same effect. A region with 1588 * 0 weight is ignored.</p> 1589 * <p>If all regions have 0 weight, then no specific metering area needs to be used by the 1590 * camera device.</p> 1591 * <p>If the metering region is outside the used {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion} returned in 1592 * capture result metadata, the camera device will ignore the sections outside the crop 1593 * region and output only the intersection rectangle as the metering region in the result 1594 * metadata. If the region is entirely outside the crop region, it will be ignored and 1595 * not reported in the result metadata.</p> 1596 * <p><b>Units</b>: Pixel coordinates within {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 1597 * <p><b>Range of valid values:</b><br> 1598 * Coordinates must be between <code>[(0,0), (width, height))</code> of 1599 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 1600 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1601 * 1602 * @see CameraCharacteristics#CONTROL_MAX_REGIONS_AWB 1603 * @see CaptureRequest#SCALER_CROP_REGION 1604 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1605 */ 1606 @PublicKey 1607 public static final Key<android.hardware.camera2.params.MeteringRectangle[]> CONTROL_AWB_REGIONS = 1608 new Key<android.hardware.camera2.params.MeteringRectangle[]>("android.control.awbRegions", android.hardware.camera2.params.MeteringRectangle[].class); 1609 1610 /** 1611 * <p>Information to the camera device 3A (auto-exposure, 1612 * auto-focus, auto-white balance) routines about the purpose 1613 * of this capture, to help the camera device to decide optimal 3A 1614 * strategy.</p> 1615 * <p>This control (except for MANUAL) is only effective if 1616 * <code>{@link CaptureRequest#CONTROL_MODE android.control.mode} != OFF</code> and any 3A routine is active.</p> 1617 * <p>ZERO_SHUTTER_LAG will be supported if {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} 1618 * contains ZSL. MANUAL will be supported if {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} 1619 * contains MANUAL_SENSOR. Other intent values are always supported.</p> 1620 * <p><b>Possible values:</b> 1621 * <ul> 1622 * <li>{@link #CONTROL_CAPTURE_INTENT_CUSTOM CUSTOM}</li> 1623 * <li>{@link #CONTROL_CAPTURE_INTENT_PREVIEW PREVIEW}</li> 1624 * <li>{@link #CONTROL_CAPTURE_INTENT_STILL_CAPTURE STILL_CAPTURE}</li> 1625 * <li>{@link #CONTROL_CAPTURE_INTENT_VIDEO_RECORD VIDEO_RECORD}</li> 1626 * <li>{@link #CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT VIDEO_SNAPSHOT}</li> 1627 * <li>{@link #CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG ZERO_SHUTTER_LAG}</li> 1628 * <li>{@link #CONTROL_CAPTURE_INTENT_MANUAL MANUAL}</li> 1629 * </ul></p> 1630 * <p>This key is available on all devices.</p> 1631 * 1632 * @see CaptureRequest#CONTROL_MODE 1633 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1634 * @see #CONTROL_CAPTURE_INTENT_CUSTOM 1635 * @see #CONTROL_CAPTURE_INTENT_PREVIEW 1636 * @see #CONTROL_CAPTURE_INTENT_STILL_CAPTURE 1637 * @see #CONTROL_CAPTURE_INTENT_VIDEO_RECORD 1638 * @see #CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT 1639 * @see #CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG 1640 * @see #CONTROL_CAPTURE_INTENT_MANUAL 1641 */ 1642 @PublicKey 1643 public static final Key<Integer> CONTROL_CAPTURE_INTENT = 1644 new Key<Integer>("android.control.captureIntent", int.class); 1645 1646 /** 1647 * <p>Current state of auto-white balance (AWB) algorithm.</p> 1648 * <p>Switching between or enabling AWB modes ({@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}) always 1649 * resets the AWB state to INACTIVE. Similarly, switching between {@link CaptureRequest#CONTROL_MODE android.control.mode}, 1650 * or {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode} if <code>{@link CaptureRequest#CONTROL_MODE android.control.mode} == USE_SCENE_MODE</code> resets all 1651 * the algorithm states to INACTIVE.</p> 1652 * <p>The camera device can do several state transitions between two results, if it is 1653 * allowed by the state transition table. So INACTIVE may never actually be seen in 1654 * a result.</p> 1655 * <p>The state in the result is the state for this image (in sync with this image): if 1656 * AWB state becomes CONVERGED, then the image data associated with this result should 1657 * be good to use.</p> 1658 * <p>Below are state transition tables for different AWB modes.</p> 1659 * <p>When <code>{@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} != AWB_MODE_AUTO</code>:</p> 1660 * <table> 1661 * <thead> 1662 * <tr> 1663 * <th align="center">State</th> 1664 * <th align="center">Transition Cause</th> 1665 * <th align="center">New State</th> 1666 * <th align="center">Notes</th> 1667 * </tr> 1668 * </thead> 1669 * <tbody> 1670 * <tr> 1671 * <td align="center">INACTIVE</td> 1672 * <td align="center"></td> 1673 * <td align="center">INACTIVE</td> 1674 * <td align="center">Camera device auto white balance algorithm is disabled</td> 1675 * </tr> 1676 * </tbody> 1677 * </table> 1678 * <p>When {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} is AWB_MODE_AUTO:</p> 1679 * <table> 1680 * <thead> 1681 * <tr> 1682 * <th align="center">State</th> 1683 * <th align="center">Transition Cause</th> 1684 * <th align="center">New State</th> 1685 * <th align="center">Notes</th> 1686 * </tr> 1687 * </thead> 1688 * <tbody> 1689 * <tr> 1690 * <td align="center">INACTIVE</td> 1691 * <td align="center">Camera device initiates AWB scan</td> 1692 * <td align="center">SEARCHING</td> 1693 * <td align="center">Values changing</td> 1694 * </tr> 1695 * <tr> 1696 * <td align="center">INACTIVE</td> 1697 * <td align="center">{@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock} is ON</td> 1698 * <td align="center">LOCKED</td> 1699 * <td align="center">Values locked</td> 1700 * </tr> 1701 * <tr> 1702 * <td align="center">SEARCHING</td> 1703 * <td align="center">Camera device finishes AWB scan</td> 1704 * <td align="center">CONVERGED</td> 1705 * <td align="center">Good values, not changing</td> 1706 * </tr> 1707 * <tr> 1708 * <td align="center">SEARCHING</td> 1709 * <td align="center">{@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock} is ON</td> 1710 * <td align="center">LOCKED</td> 1711 * <td align="center">Values locked</td> 1712 * </tr> 1713 * <tr> 1714 * <td align="center">CONVERGED</td> 1715 * <td align="center">Camera device initiates AWB scan</td> 1716 * <td align="center">SEARCHING</td> 1717 * <td align="center">Values changing</td> 1718 * </tr> 1719 * <tr> 1720 * <td align="center">CONVERGED</td> 1721 * <td align="center">{@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock} is ON</td> 1722 * <td align="center">LOCKED</td> 1723 * <td align="center">Values locked</td> 1724 * </tr> 1725 * <tr> 1726 * <td align="center">LOCKED</td> 1727 * <td align="center">{@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock} is OFF</td> 1728 * <td align="center">SEARCHING</td> 1729 * <td align="center">Values not good after unlock</td> 1730 * </tr> 1731 * </tbody> 1732 * </table> 1733 * <p>For the above table, the camera device may skip reporting any state changes that happen 1734 * without application intervention (i.e. mode switch, trigger, locking). Any state that 1735 * can be skipped in that manner is called a transient state.</p> 1736 * <p>For example, for this AWB mode (AWB_MODE_AUTO), in addition to the state transitions 1737 * listed in above table, it is also legal for the camera device to skip one or more 1738 * transient states between two results. See below table for examples:</p> 1739 * <table> 1740 * <thead> 1741 * <tr> 1742 * <th align="center">State</th> 1743 * <th align="center">Transition Cause</th> 1744 * <th align="center">New State</th> 1745 * <th align="center">Notes</th> 1746 * </tr> 1747 * </thead> 1748 * <tbody> 1749 * <tr> 1750 * <td align="center">INACTIVE</td> 1751 * <td align="center">Camera device finished AWB scan</td> 1752 * <td align="center">CONVERGED</td> 1753 * <td align="center">Values are already good, transient states are skipped by camera device.</td> 1754 * </tr> 1755 * <tr> 1756 * <td align="center">LOCKED</td> 1757 * <td align="center">{@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock} is OFF</td> 1758 * <td align="center">CONVERGED</td> 1759 * <td align="center">Values good after unlock, transient states are skipped by camera device.</td> 1760 * </tr> 1761 * </tbody> 1762 * </table> 1763 * <p><b>Possible values:</b> 1764 * <ul> 1765 * <li>{@link #CONTROL_AWB_STATE_INACTIVE INACTIVE}</li> 1766 * <li>{@link #CONTROL_AWB_STATE_SEARCHING SEARCHING}</li> 1767 * <li>{@link #CONTROL_AWB_STATE_CONVERGED CONVERGED}</li> 1768 * <li>{@link #CONTROL_AWB_STATE_LOCKED LOCKED}</li> 1769 * </ul></p> 1770 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1771 * <p><b>Limited capability</b> - 1772 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 1773 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 1774 * 1775 * @see CaptureRequest#CONTROL_AWB_LOCK 1776 * @see CaptureRequest#CONTROL_AWB_MODE 1777 * @see CaptureRequest#CONTROL_MODE 1778 * @see CaptureRequest#CONTROL_SCENE_MODE 1779 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1780 * @see #CONTROL_AWB_STATE_INACTIVE 1781 * @see #CONTROL_AWB_STATE_SEARCHING 1782 * @see #CONTROL_AWB_STATE_CONVERGED 1783 * @see #CONTROL_AWB_STATE_LOCKED 1784 */ 1785 @PublicKey 1786 public static final Key<Integer> CONTROL_AWB_STATE = 1787 new Key<Integer>("android.control.awbState", int.class); 1788 1789 /** 1790 * <p>A special color effect to apply.</p> 1791 * <p>When this mode is set, a color effect will be applied 1792 * to images produced by the camera device. The interpretation 1793 * and implementation of these color effects is left to the 1794 * implementor of the camera device, and should not be 1795 * depended on to be consistent (or present) across all 1796 * devices.</p> 1797 * <p><b>Possible values:</b> 1798 * <ul> 1799 * <li>{@link #CONTROL_EFFECT_MODE_OFF OFF}</li> 1800 * <li>{@link #CONTROL_EFFECT_MODE_MONO MONO}</li> 1801 * <li>{@link #CONTROL_EFFECT_MODE_NEGATIVE NEGATIVE}</li> 1802 * <li>{@link #CONTROL_EFFECT_MODE_SOLARIZE SOLARIZE}</li> 1803 * <li>{@link #CONTROL_EFFECT_MODE_SEPIA SEPIA}</li> 1804 * <li>{@link #CONTROL_EFFECT_MODE_POSTERIZE POSTERIZE}</li> 1805 * <li>{@link #CONTROL_EFFECT_MODE_WHITEBOARD WHITEBOARD}</li> 1806 * <li>{@link #CONTROL_EFFECT_MODE_BLACKBOARD BLACKBOARD}</li> 1807 * <li>{@link #CONTROL_EFFECT_MODE_AQUA AQUA}</li> 1808 * </ul></p> 1809 * <p><b>Available values for this device:</b><br> 1810 * {@link CameraCharacteristics#CONTROL_AVAILABLE_EFFECTS android.control.availableEffects}</p> 1811 * <p>This key is available on all devices.</p> 1812 * 1813 * @see CameraCharacteristics#CONTROL_AVAILABLE_EFFECTS 1814 * @see #CONTROL_EFFECT_MODE_OFF 1815 * @see #CONTROL_EFFECT_MODE_MONO 1816 * @see #CONTROL_EFFECT_MODE_NEGATIVE 1817 * @see #CONTROL_EFFECT_MODE_SOLARIZE 1818 * @see #CONTROL_EFFECT_MODE_SEPIA 1819 * @see #CONTROL_EFFECT_MODE_POSTERIZE 1820 * @see #CONTROL_EFFECT_MODE_WHITEBOARD 1821 * @see #CONTROL_EFFECT_MODE_BLACKBOARD 1822 * @see #CONTROL_EFFECT_MODE_AQUA 1823 */ 1824 @PublicKey 1825 public static final Key<Integer> CONTROL_EFFECT_MODE = 1826 new Key<Integer>("android.control.effectMode", int.class); 1827 1828 /** 1829 * <p>Overall mode of 3A (auto-exposure, auto-white-balance, auto-focus) control 1830 * routines.</p> 1831 * <p>This is a top-level 3A control switch. When set to OFF, all 3A control 1832 * by the camera device is disabled. The application must set the fields for 1833 * capture parameters itself.</p> 1834 * <p>When set to AUTO, the individual algorithm controls in 1835 * android.control.* are in effect, such as {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}.</p> 1836 * <p>When set to USE_SCENE_MODE, the individual controls in 1837 * android.control.* are mostly disabled, and the camera device implements 1838 * one of the scene mode settings (such as ACTION, SUNSET, or PARTY) 1839 * as it wishes. The camera device scene mode 3A settings are provided by 1840 * android.control.sceneModeOverrides.</p> 1841 * <p>When set to OFF_KEEP_STATE, it is similar to OFF mode, the only difference 1842 * is that this frame will not be used by camera device background 3A statistics 1843 * update, as if this frame is never captured. This mode can be used in the scenario 1844 * where the application doesn't want a 3A manual control capture to affect 1845 * the subsequent auto 3A capture results.</p> 1846 * <p>LEGACY mode devices will only support AUTO and USE_SCENE_MODE modes. 1847 * LIMITED mode devices will only support OFF and OFF_KEEP_STATE if they 1848 * support the MANUAL_SENSOR and MANUAL_POST_PROCSESING capabilities. 1849 * FULL mode devices will always support OFF and OFF_KEEP_STATE.</p> 1850 * <p><b>Possible values:</b> 1851 * <ul> 1852 * <li>{@link #CONTROL_MODE_OFF OFF}</li> 1853 * <li>{@link #CONTROL_MODE_AUTO AUTO}</li> 1854 * <li>{@link #CONTROL_MODE_USE_SCENE_MODE USE_SCENE_MODE}</li> 1855 * <li>{@link #CONTROL_MODE_OFF_KEEP_STATE OFF_KEEP_STATE}</li> 1856 * </ul></p> 1857 * <p>This key is available on all devices.</p> 1858 * 1859 * @see CaptureRequest#CONTROL_AF_MODE 1860 * @see #CONTROL_MODE_OFF 1861 * @see #CONTROL_MODE_AUTO 1862 * @see #CONTROL_MODE_USE_SCENE_MODE 1863 * @see #CONTROL_MODE_OFF_KEEP_STATE 1864 */ 1865 @PublicKey 1866 public static final Key<Integer> CONTROL_MODE = 1867 new Key<Integer>("android.control.mode", int.class); 1868 1869 /** 1870 * <p>Control for which scene mode is currently active.</p> 1871 * <p>Scene modes are custom camera modes optimized for a certain set of conditions and 1872 * capture settings.</p> 1873 * <p>This is the mode that that is active when 1874 * <code>{@link CaptureRequest#CONTROL_MODE android.control.mode} == USE_SCENE_MODE</code>. Aside from FACE_PRIORITY, 1875 * these modes will disable {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode}, 1876 * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}, and {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} while in use.</p> 1877 * <p>The interpretation and implementation of these scene modes is left 1878 * to the implementor of the camera device. Their behavior will not be 1879 * consistent across all devices, and any given device may only implement 1880 * a subset of these modes.</p> 1881 * <p><b>Possible values:</b> 1882 * <ul> 1883 * <li>{@link #CONTROL_SCENE_MODE_DISABLED DISABLED}</li> 1884 * <li>{@link #CONTROL_SCENE_MODE_FACE_PRIORITY FACE_PRIORITY}</li> 1885 * <li>{@link #CONTROL_SCENE_MODE_ACTION ACTION}</li> 1886 * <li>{@link #CONTROL_SCENE_MODE_PORTRAIT PORTRAIT}</li> 1887 * <li>{@link #CONTROL_SCENE_MODE_LANDSCAPE LANDSCAPE}</li> 1888 * <li>{@link #CONTROL_SCENE_MODE_NIGHT NIGHT}</li> 1889 * <li>{@link #CONTROL_SCENE_MODE_NIGHT_PORTRAIT NIGHT_PORTRAIT}</li> 1890 * <li>{@link #CONTROL_SCENE_MODE_THEATRE THEATRE}</li> 1891 * <li>{@link #CONTROL_SCENE_MODE_BEACH BEACH}</li> 1892 * <li>{@link #CONTROL_SCENE_MODE_SNOW SNOW}</li> 1893 * <li>{@link #CONTROL_SCENE_MODE_SUNSET SUNSET}</li> 1894 * <li>{@link #CONTROL_SCENE_MODE_STEADYPHOTO STEADYPHOTO}</li> 1895 * <li>{@link #CONTROL_SCENE_MODE_FIREWORKS FIREWORKS}</li> 1896 * <li>{@link #CONTROL_SCENE_MODE_SPORTS SPORTS}</li> 1897 * <li>{@link #CONTROL_SCENE_MODE_PARTY PARTY}</li> 1898 * <li>{@link #CONTROL_SCENE_MODE_CANDLELIGHT CANDLELIGHT}</li> 1899 * <li>{@link #CONTROL_SCENE_MODE_BARCODE BARCODE}</li> 1900 * <li>{@link #CONTROL_SCENE_MODE_HIGH_SPEED_VIDEO HIGH_SPEED_VIDEO}</li> 1901 * </ul></p> 1902 * <p><b>Available values for this device:</b><br> 1903 * {@link CameraCharacteristics#CONTROL_AVAILABLE_SCENE_MODES android.control.availableSceneModes}</p> 1904 * <p>This key is available on all devices.</p> 1905 * 1906 * @see CaptureRequest#CONTROL_AE_MODE 1907 * @see CaptureRequest#CONTROL_AF_MODE 1908 * @see CameraCharacteristics#CONTROL_AVAILABLE_SCENE_MODES 1909 * @see CaptureRequest#CONTROL_AWB_MODE 1910 * @see CaptureRequest#CONTROL_MODE 1911 * @see #CONTROL_SCENE_MODE_DISABLED 1912 * @see #CONTROL_SCENE_MODE_FACE_PRIORITY 1913 * @see #CONTROL_SCENE_MODE_ACTION 1914 * @see #CONTROL_SCENE_MODE_PORTRAIT 1915 * @see #CONTROL_SCENE_MODE_LANDSCAPE 1916 * @see #CONTROL_SCENE_MODE_NIGHT 1917 * @see #CONTROL_SCENE_MODE_NIGHT_PORTRAIT 1918 * @see #CONTROL_SCENE_MODE_THEATRE 1919 * @see #CONTROL_SCENE_MODE_BEACH 1920 * @see #CONTROL_SCENE_MODE_SNOW 1921 * @see #CONTROL_SCENE_MODE_SUNSET 1922 * @see #CONTROL_SCENE_MODE_STEADYPHOTO 1923 * @see #CONTROL_SCENE_MODE_FIREWORKS 1924 * @see #CONTROL_SCENE_MODE_SPORTS 1925 * @see #CONTROL_SCENE_MODE_PARTY 1926 * @see #CONTROL_SCENE_MODE_CANDLELIGHT 1927 * @see #CONTROL_SCENE_MODE_BARCODE 1928 * @see #CONTROL_SCENE_MODE_HIGH_SPEED_VIDEO 1929 */ 1930 @PublicKey 1931 public static final Key<Integer> CONTROL_SCENE_MODE = 1932 new Key<Integer>("android.control.sceneMode", int.class); 1933 1934 /** 1935 * <p>Whether video stabilization is 1936 * active.</p> 1937 * <p>Video stabilization automatically translates and scales images from 1938 * the camera in order to stabilize motion between consecutive frames.</p> 1939 * <p>If enabled, video stabilization can modify the 1940 * {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion} to keep the video stream stabilized.</p> 1941 * <p>Switching between different video stabilization modes may take several 1942 * frames to initialize, the camera device will report the current mode 1943 * in capture result metadata. For example, When "ON" mode is requested, 1944 * the video stabilization modes in the first several capture results may 1945 * still be "OFF", and it will become "ON" when the initialization is 1946 * done.</p> 1947 * <p>If a camera device supports both this mode and OIS 1948 * ({@link CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE android.lens.opticalStabilizationMode}), turning both modes on may 1949 * produce undesirable interaction, so it is recommended not to enable 1950 * both at the same time.</p> 1951 * <p><b>Possible values:</b> 1952 * <ul> 1953 * <li>{@link #CONTROL_VIDEO_STABILIZATION_MODE_OFF OFF}</li> 1954 * <li>{@link #CONTROL_VIDEO_STABILIZATION_MODE_ON ON}</li> 1955 * </ul></p> 1956 * <p>This key is available on all devices.</p> 1957 * 1958 * @see CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE 1959 * @see CaptureRequest#SCALER_CROP_REGION 1960 * @see #CONTROL_VIDEO_STABILIZATION_MODE_OFF 1961 * @see #CONTROL_VIDEO_STABILIZATION_MODE_ON 1962 */ 1963 @PublicKey 1964 public static final Key<Integer> CONTROL_VIDEO_STABILIZATION_MODE = 1965 new Key<Integer>("android.control.videoStabilizationMode", int.class); 1966 1967 /** 1968 * <p>Operation mode for edge 1969 * enhancement.</p> 1970 * <p>Edge enhancement improves sharpness and details in the captured image. OFF means 1971 * no enhancement will be applied by the camera device.</p> 1972 * <p>FAST/HIGH_QUALITY both mean camera device determined enhancement 1973 * will be applied. HIGH_QUALITY mode indicates that the 1974 * camera device will use the highest-quality enhancement algorithms, 1975 * even if it slows down capture rate. FAST means the camera device will 1976 * not slow down capture rate when applying edge enhancement.</p> 1977 * <p><b>Possible values:</b> 1978 * <ul> 1979 * <li>{@link #EDGE_MODE_OFF OFF}</li> 1980 * <li>{@link #EDGE_MODE_FAST FAST}</li> 1981 * <li>{@link #EDGE_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 1982 * </ul></p> 1983 * <p><b>Available values for this device:</b><br> 1984 * {@link CameraCharacteristics#EDGE_AVAILABLE_EDGE_MODES android.edge.availableEdgeModes}</p> 1985 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1986 * <p><b>Full capability</b> - 1987 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 1988 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 1989 * 1990 * @see CameraCharacteristics#EDGE_AVAILABLE_EDGE_MODES 1991 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1992 * @see #EDGE_MODE_OFF 1993 * @see #EDGE_MODE_FAST 1994 * @see #EDGE_MODE_HIGH_QUALITY 1995 */ 1996 @PublicKey 1997 public static final Key<Integer> EDGE_MODE = 1998 new Key<Integer>("android.edge.mode", int.class); 1999 2000 /** 2001 * <p>The desired mode for for the camera device's flash control.</p> 2002 * <p>This control is only effective when flash unit is available 2003 * (<code>{@link CameraCharacteristics#FLASH_INFO_AVAILABLE android.flash.info.available} == true</code>).</p> 2004 * <p>When this control is used, the {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} must be set to ON or OFF. 2005 * Otherwise, the camera device auto-exposure related flash control (ON_AUTO_FLASH, 2006 * ON_ALWAYS_FLASH, or ON_AUTO_FLASH_REDEYE) will override this control.</p> 2007 * <p>When set to OFF, the camera device will not fire flash for this capture.</p> 2008 * <p>When set to SINGLE, the camera device will fire flash regardless of the camera 2009 * device's auto-exposure routine's result. When used in still capture case, this 2010 * control should be used along with auto-exposure (AE) precapture metering sequence 2011 * ({@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger}), otherwise, the image may be incorrectly exposed.</p> 2012 * <p>When set to TORCH, the flash will be on continuously. This mode can be used 2013 * for use cases such as preview, auto-focus assist, still capture, or video recording.</p> 2014 * <p>The flash status will be reported by {@link CaptureResult#FLASH_STATE android.flash.state} in the capture result metadata.</p> 2015 * <p><b>Possible values:</b> 2016 * <ul> 2017 * <li>{@link #FLASH_MODE_OFF OFF}</li> 2018 * <li>{@link #FLASH_MODE_SINGLE SINGLE}</li> 2019 * <li>{@link #FLASH_MODE_TORCH TORCH}</li> 2020 * </ul></p> 2021 * <p>This key is available on all devices.</p> 2022 * 2023 * @see CaptureRequest#CONTROL_AE_MODE 2024 * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER 2025 * @see CameraCharacteristics#FLASH_INFO_AVAILABLE 2026 * @see CaptureResult#FLASH_STATE 2027 * @see #FLASH_MODE_OFF 2028 * @see #FLASH_MODE_SINGLE 2029 * @see #FLASH_MODE_TORCH 2030 */ 2031 @PublicKey 2032 public static final Key<Integer> FLASH_MODE = 2033 new Key<Integer>("android.flash.mode", int.class); 2034 2035 /** 2036 * <p>Current state of the flash 2037 * unit.</p> 2038 * <p>When the camera device doesn't have flash unit 2039 * (i.e. <code>{@link CameraCharacteristics#FLASH_INFO_AVAILABLE android.flash.info.available} == false</code>), this state will always be UNAVAILABLE. 2040 * Other states indicate the current flash status.</p> 2041 * <p>In certain conditions, this will be available on LEGACY devices:</p> 2042 * <ul> 2043 * <li>Flash-less cameras always return UNAVAILABLE.</li> 2044 * <li>Using {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} <code>==</code> ON_ALWAYS_FLASH 2045 * will always return FIRED.</li> 2046 * <li>Using {@link CaptureRequest#FLASH_MODE android.flash.mode} <code>==</code> TORCH 2047 * will always return FIRED.</li> 2048 * </ul> 2049 * <p>In all other conditions the state will not be available on 2050 * LEGACY devices (i.e. it will be <code>null</code>).</p> 2051 * <p><b>Possible values:</b> 2052 * <ul> 2053 * <li>{@link #FLASH_STATE_UNAVAILABLE UNAVAILABLE}</li> 2054 * <li>{@link #FLASH_STATE_CHARGING CHARGING}</li> 2055 * <li>{@link #FLASH_STATE_READY READY}</li> 2056 * <li>{@link #FLASH_STATE_FIRED FIRED}</li> 2057 * <li>{@link #FLASH_STATE_PARTIAL PARTIAL}</li> 2058 * </ul></p> 2059 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2060 * <p><b>Limited capability</b> - 2061 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2062 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2063 * 2064 * @see CaptureRequest#CONTROL_AE_MODE 2065 * @see CameraCharacteristics#FLASH_INFO_AVAILABLE 2066 * @see CaptureRequest#FLASH_MODE 2067 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2068 * @see #FLASH_STATE_UNAVAILABLE 2069 * @see #FLASH_STATE_CHARGING 2070 * @see #FLASH_STATE_READY 2071 * @see #FLASH_STATE_FIRED 2072 * @see #FLASH_STATE_PARTIAL 2073 */ 2074 @PublicKey 2075 public static final Key<Integer> FLASH_STATE = 2076 new Key<Integer>("android.flash.state", int.class); 2077 2078 /** 2079 * <p>Operational mode for hot pixel correction.</p> 2080 * <p>Hotpixel correction interpolates out, or otherwise removes, pixels 2081 * that do not accurately measure the incoming light (i.e. pixels that 2082 * are stuck at an arbitrary value or are oversensitive).</p> 2083 * <p><b>Possible values:</b> 2084 * <ul> 2085 * <li>{@link #HOT_PIXEL_MODE_OFF OFF}</li> 2086 * <li>{@link #HOT_PIXEL_MODE_FAST FAST}</li> 2087 * <li>{@link #HOT_PIXEL_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 2088 * </ul></p> 2089 * <p><b>Available values for this device:</b><br> 2090 * {@link CameraCharacteristics#HOT_PIXEL_AVAILABLE_HOT_PIXEL_MODES android.hotPixel.availableHotPixelModes}</p> 2091 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2092 * 2093 * @see CameraCharacteristics#HOT_PIXEL_AVAILABLE_HOT_PIXEL_MODES 2094 * @see #HOT_PIXEL_MODE_OFF 2095 * @see #HOT_PIXEL_MODE_FAST 2096 * @see #HOT_PIXEL_MODE_HIGH_QUALITY 2097 */ 2098 @PublicKey 2099 public static final Key<Integer> HOT_PIXEL_MODE = 2100 new Key<Integer>("android.hotPixel.mode", int.class); 2101 2102 /** 2103 * <p>A location object to use when generating image GPS metadata.</p> 2104 * <p>Setting a location object in a request will include the GPS coordinates of the location 2105 * into any JPEG images captured based on the request. These coordinates can then be 2106 * viewed by anyone who receives the JPEG image.</p> 2107 * <p>This key is available on all devices.</p> 2108 */ 2109 @PublicKey 2110 @SyntheticKey 2111 public static final Key<android.location.Location> JPEG_GPS_LOCATION = 2112 new Key<android.location.Location>("android.jpeg.gpsLocation", android.location.Location.class); 2113 2114 /** 2115 * <p>GPS coordinates to include in output JPEG 2116 * EXIF.</p> 2117 * <p><b>Range of valid values:</b><br> 2118 * (-180 - 180], [-90,90], [-inf, inf]</p> 2119 * <p>This key is available on all devices.</p> 2120 * @hide 2121 */ 2122 public static final Key<double[]> JPEG_GPS_COORDINATES = 2123 new Key<double[]>("android.jpeg.gpsCoordinates", double[].class); 2124 2125 /** 2126 * <p>32 characters describing GPS algorithm to 2127 * include in EXIF.</p> 2128 * <p><b>Units</b>: UTF-8 null-terminated string</p> 2129 * <p>This key is available on all devices.</p> 2130 * @hide 2131 */ 2132 public static final Key<String> JPEG_GPS_PROCESSING_METHOD = 2133 new Key<String>("android.jpeg.gpsProcessingMethod", String.class); 2134 2135 /** 2136 * <p>Time GPS fix was made to include in 2137 * EXIF.</p> 2138 * <p><b>Units</b>: UTC in seconds since January 1, 1970</p> 2139 * <p>This key is available on all devices.</p> 2140 * @hide 2141 */ 2142 public static final Key<Long> JPEG_GPS_TIMESTAMP = 2143 new Key<Long>("android.jpeg.gpsTimestamp", long.class); 2144 2145 /** 2146 * <p>The orientation for a JPEG image.</p> 2147 * <p>The clockwise rotation angle in degrees, relative to the orientation 2148 * to the camera, that the JPEG picture needs to be rotated by, to be viewed 2149 * upright.</p> 2150 * <p>Camera devices may either encode this value into the JPEG EXIF header, or 2151 * rotate the image data to match this orientation.</p> 2152 * <p>Note that this orientation is relative to the orientation of the camera sensor, given 2153 * by {@link CameraCharacteristics#SENSOR_ORIENTATION android.sensor.orientation}.</p> 2154 * <p>To translate from the device orientation given by the Android sensor APIs, the following 2155 * sample code may be used:</p> 2156 * <pre><code>private int getJpegOrientation(CameraCharacteristics c, int deviceOrientation) { 2157 * if (deviceOrientation == android.view.OrientationEventListener.ORIENTATION_UNKNOWN) return 0; 2158 * int sensorOrientation = c.get(CameraCharacteristics.SENSOR_ORIENTATION); 2159 * 2160 * // Round device orientation to a multiple of 90 2161 * deviceOrientation = (deviceOrientation + 45) / 90 * 90; 2162 * 2163 * // Reverse device orientation for front-facing cameras 2164 * boolean facingFront = c.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT; 2165 * if (facingFront) deviceOrientation = -deviceOrientation; 2166 * 2167 * // Calculate desired JPEG orientation relative to camera orientation to make 2168 * // the image upright relative to the device orientation 2169 * int jpegOrientation = (sensorOrientation + deviceOrientation + 360) % 360; 2170 * 2171 * return jpegOrientation; 2172 * } 2173 * </code></pre> 2174 * <p><b>Units</b>: Degrees in multiples of 90</p> 2175 * <p><b>Range of valid values:</b><br> 2176 * 0, 90, 180, 270</p> 2177 * <p>This key is available on all devices.</p> 2178 * 2179 * @see CameraCharacteristics#SENSOR_ORIENTATION 2180 */ 2181 @PublicKey 2182 public static final Key<Integer> JPEG_ORIENTATION = 2183 new Key<Integer>("android.jpeg.orientation", int.class); 2184 2185 /** 2186 * <p>Compression quality of the final JPEG 2187 * image.</p> 2188 * <p>85-95 is typical usage range.</p> 2189 * <p><b>Range of valid values:</b><br> 2190 * 1-100; larger is higher quality</p> 2191 * <p>This key is available on all devices.</p> 2192 */ 2193 @PublicKey 2194 public static final Key<Byte> JPEG_QUALITY = 2195 new Key<Byte>("android.jpeg.quality", byte.class); 2196 2197 /** 2198 * <p>Compression quality of JPEG 2199 * thumbnail.</p> 2200 * <p><b>Range of valid values:</b><br> 2201 * 1-100; larger is higher quality</p> 2202 * <p>This key is available on all devices.</p> 2203 */ 2204 @PublicKey 2205 public static final Key<Byte> JPEG_THUMBNAIL_QUALITY = 2206 new Key<Byte>("android.jpeg.thumbnailQuality", byte.class); 2207 2208 /** 2209 * <p>Resolution of embedded JPEG thumbnail.</p> 2210 * <p>When set to (0, 0) value, the JPEG EXIF will not contain thumbnail, 2211 * but the captured JPEG will still be a valid image.</p> 2212 * <p>For best results, when issuing a request for a JPEG image, the thumbnail size selected 2213 * should have the same aspect ratio as the main JPEG output.</p> 2214 * <p>If the thumbnail image aspect ratio differs from the JPEG primary image aspect 2215 * ratio, the camera device creates the thumbnail by cropping it from the primary image. 2216 * For example, if the primary image has 4:3 aspect ratio, the thumbnail image has 2217 * 16:9 aspect ratio, the primary image will be cropped vertically (letterbox) to 2218 * generate the thumbnail image. The thumbnail image will always have a smaller Field 2219 * Of View (FOV) than the primary image when aspect ratios differ.</p> 2220 * <p><b>Range of valid values:</b><br> 2221 * {@link CameraCharacteristics#JPEG_AVAILABLE_THUMBNAIL_SIZES android.jpeg.availableThumbnailSizes}</p> 2222 * <p>This key is available on all devices.</p> 2223 * 2224 * @see CameraCharacteristics#JPEG_AVAILABLE_THUMBNAIL_SIZES 2225 */ 2226 @PublicKey 2227 public static final Key<android.util.Size> JPEG_THUMBNAIL_SIZE = 2228 new Key<android.util.Size>("android.jpeg.thumbnailSize", android.util.Size.class); 2229 2230 /** 2231 * <p>The desired lens aperture size, as a ratio of lens focal length to the 2232 * effective aperture diameter.</p> 2233 * <p>Setting this value is only supported on the camera devices that have a variable 2234 * aperture lens.</p> 2235 * <p>When this is supported and {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} is OFF, 2236 * this can be set along with {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime}, 2237 * {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity}, and {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} 2238 * to achieve manual exposure control.</p> 2239 * <p>The requested aperture value may take several frames to reach the 2240 * requested value; the camera device will report the current (intermediate) 2241 * aperture size in capture result metadata while the aperture is changing. 2242 * While the aperture is still changing, {@link CaptureResult#LENS_STATE android.lens.state} will be set to MOVING.</p> 2243 * <p>When this is supported and {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} is one of 2244 * the ON modes, this will be overridden by the camera device 2245 * auto-exposure algorithm, the overridden values are then provided 2246 * back to the user in the corresponding result.</p> 2247 * <p><b>Units</b>: The f-number (f/N)</p> 2248 * <p><b>Range of valid values:</b><br> 2249 * {@link CameraCharacteristics#LENS_INFO_AVAILABLE_APERTURES android.lens.info.availableApertures}</p> 2250 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2251 * <p><b>Full capability</b> - 2252 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2253 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2254 * 2255 * @see CaptureRequest#CONTROL_AE_MODE 2256 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2257 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_APERTURES 2258 * @see CaptureResult#LENS_STATE 2259 * @see CaptureRequest#SENSOR_EXPOSURE_TIME 2260 * @see CaptureRequest#SENSOR_FRAME_DURATION 2261 * @see CaptureRequest#SENSOR_SENSITIVITY 2262 */ 2263 @PublicKey 2264 public static final Key<Float> LENS_APERTURE = 2265 new Key<Float>("android.lens.aperture", float.class); 2266 2267 /** 2268 * <p>The desired setting for the lens neutral density filter(s).</p> 2269 * <p>This control will not be supported on most camera devices.</p> 2270 * <p>Lens filters are typically used to lower the amount of light the 2271 * sensor is exposed to (measured in steps of EV). As used here, an EV 2272 * step is the standard logarithmic representation, which are 2273 * non-negative, and inversely proportional to the amount of light 2274 * hitting the sensor. For example, setting this to 0 would result 2275 * in no reduction of the incoming light, and setting this to 2 would 2276 * mean that the filter is set to reduce incoming light by two stops 2277 * (allowing 1/4 of the prior amount of light to the sensor).</p> 2278 * <p>It may take several frames before the lens filter density changes 2279 * to the requested value. While the filter density is still changing, 2280 * {@link CaptureResult#LENS_STATE android.lens.state} will be set to MOVING.</p> 2281 * <p><b>Units</b>: Exposure Value (EV)</p> 2282 * <p><b>Range of valid values:</b><br> 2283 * {@link CameraCharacteristics#LENS_INFO_AVAILABLE_FILTER_DENSITIES android.lens.info.availableFilterDensities}</p> 2284 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2285 * <p><b>Full capability</b> - 2286 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2287 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2288 * 2289 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2290 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_FILTER_DENSITIES 2291 * @see CaptureResult#LENS_STATE 2292 */ 2293 @PublicKey 2294 public static final Key<Float> LENS_FILTER_DENSITY = 2295 new Key<Float>("android.lens.filterDensity", float.class); 2296 2297 /** 2298 * <p>The desired lens focal length; used for optical zoom.</p> 2299 * <p>This setting controls the physical focal length of the camera 2300 * device's lens. Changing the focal length changes the field of 2301 * view of the camera device, and is usually used for optical zoom.</p> 2302 * <p>Like {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance} and {@link CaptureRequest#LENS_APERTURE android.lens.aperture}, this 2303 * setting won't be applied instantaneously, and it may take several 2304 * frames before the lens can change to the requested focal length. 2305 * While the focal length is still changing, {@link CaptureResult#LENS_STATE android.lens.state} will 2306 * be set to MOVING.</p> 2307 * <p>Optical zoom will not be supported on most devices.</p> 2308 * <p><b>Units</b>: Millimeters</p> 2309 * <p><b>Range of valid values:</b><br> 2310 * {@link CameraCharacteristics#LENS_INFO_AVAILABLE_FOCAL_LENGTHS android.lens.info.availableFocalLengths}</p> 2311 * <p>This key is available on all devices.</p> 2312 * 2313 * @see CaptureRequest#LENS_APERTURE 2314 * @see CaptureRequest#LENS_FOCUS_DISTANCE 2315 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_FOCAL_LENGTHS 2316 * @see CaptureResult#LENS_STATE 2317 */ 2318 @PublicKey 2319 public static final Key<Float> LENS_FOCAL_LENGTH = 2320 new Key<Float>("android.lens.focalLength", float.class); 2321 2322 /** 2323 * <p>Desired distance to plane of sharpest focus, 2324 * measured from frontmost surface of the lens.</p> 2325 * <p>Should be zero for fixed-focus cameras</p> 2326 * <p><b>Units</b>: See {@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} for details</p> 2327 * <p><b>Range of valid values:</b><br> 2328 * >= 0</p> 2329 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2330 * <p><b>Full capability</b> - 2331 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2332 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2333 * 2334 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2335 * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION 2336 */ 2337 @PublicKey 2338 public static final Key<Float> LENS_FOCUS_DISTANCE = 2339 new Key<Float>("android.lens.focusDistance", float.class); 2340 2341 /** 2342 * <p>The range of scene distances that are in 2343 * sharp focus (depth of field).</p> 2344 * <p>If variable focus not supported, can still report 2345 * fixed depth of field range</p> 2346 * <p><b>Units</b>: A pair of focus distances in diopters: (near, 2347 * far); see {@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} for details.</p> 2348 * <p><b>Range of valid values:</b><br> 2349 * >=0</p> 2350 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2351 * <p><b>Limited capability</b> - 2352 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2353 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2354 * 2355 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2356 * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION 2357 */ 2358 @PublicKey 2359 public static final Key<android.util.Pair<Float,Float>> LENS_FOCUS_RANGE = 2360 new Key<android.util.Pair<Float,Float>>("android.lens.focusRange", new TypeReference<android.util.Pair<Float,Float>>() {{ }}); 2361 2362 /** 2363 * <p>Sets whether the camera device uses optical image stabilization (OIS) 2364 * when capturing images.</p> 2365 * <p>OIS is used to compensate for motion blur due to small 2366 * movements of the camera during capture. Unlike digital image 2367 * stabilization ({@link CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE android.control.videoStabilizationMode}), OIS 2368 * makes use of mechanical elements to stabilize the camera 2369 * sensor, and thus allows for longer exposure times before 2370 * camera shake becomes apparent.</p> 2371 * <p>Switching between different optical stabilization modes may take several 2372 * frames to initialize, the camera device will report the current mode in 2373 * capture result metadata. For example, When "ON" mode is requested, the 2374 * optical stabilization modes in the first several capture results may still 2375 * be "OFF", and it will become "ON" when the initialization is done.</p> 2376 * <p>If a camera device supports both OIS and digital image stabilization 2377 * ({@link CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE android.control.videoStabilizationMode}), turning both modes on may produce undesirable 2378 * interaction, so it is recommended not to enable both at the same time.</p> 2379 * <p>Not all devices will support OIS; see 2380 * {@link CameraCharacteristics#LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION android.lens.info.availableOpticalStabilization} for 2381 * available controls.</p> 2382 * <p><b>Possible values:</b> 2383 * <ul> 2384 * <li>{@link #LENS_OPTICAL_STABILIZATION_MODE_OFF OFF}</li> 2385 * <li>{@link #LENS_OPTICAL_STABILIZATION_MODE_ON ON}</li> 2386 * </ul></p> 2387 * <p><b>Available values for this device:</b><br> 2388 * {@link CameraCharacteristics#LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION android.lens.info.availableOpticalStabilization}</p> 2389 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2390 * <p><b>Limited capability</b> - 2391 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2392 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2393 * 2394 * @see CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE 2395 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2396 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION 2397 * @see #LENS_OPTICAL_STABILIZATION_MODE_OFF 2398 * @see #LENS_OPTICAL_STABILIZATION_MODE_ON 2399 */ 2400 @PublicKey 2401 public static final Key<Integer> LENS_OPTICAL_STABILIZATION_MODE = 2402 new Key<Integer>("android.lens.opticalStabilizationMode", int.class); 2403 2404 /** 2405 * <p>Current lens status.</p> 2406 * <p>For lens parameters {@link CaptureRequest#LENS_FOCAL_LENGTH android.lens.focalLength}, {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance}, 2407 * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} and {@link CaptureRequest#LENS_APERTURE android.lens.aperture}, when changes are requested, 2408 * they may take several frames to reach the requested values. This state indicates 2409 * the current status of the lens parameters.</p> 2410 * <p>When the state is STATIONARY, the lens parameters are not changing. This could be 2411 * either because the parameters are all fixed, or because the lens has had enough 2412 * time to reach the most recently-requested values. 2413 * If all these lens parameters are not changable for a camera device, as listed below:</p> 2414 * <ul> 2415 * <li>Fixed focus (<code>{@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} == 0</code>), which means 2416 * {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance} parameter will always be 0.</li> 2417 * <li>Fixed focal length ({@link CameraCharacteristics#LENS_INFO_AVAILABLE_FOCAL_LENGTHS android.lens.info.availableFocalLengths} contains single value), 2418 * which means the optical zoom is not supported.</li> 2419 * <li>No ND filter ({@link CameraCharacteristics#LENS_INFO_AVAILABLE_FILTER_DENSITIES android.lens.info.availableFilterDensities} contains only 0).</li> 2420 * <li>Fixed aperture ({@link CameraCharacteristics#LENS_INFO_AVAILABLE_APERTURES android.lens.info.availableApertures} contains single value).</li> 2421 * </ul> 2422 * <p>Then this state will always be STATIONARY.</p> 2423 * <p>When the state is MOVING, it indicates that at least one of the lens parameters 2424 * is changing.</p> 2425 * <p><b>Possible values:</b> 2426 * <ul> 2427 * <li>{@link #LENS_STATE_STATIONARY STATIONARY}</li> 2428 * <li>{@link #LENS_STATE_MOVING MOVING}</li> 2429 * </ul></p> 2430 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2431 * <p><b>Limited capability</b> - 2432 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2433 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2434 * 2435 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2436 * @see CaptureRequest#LENS_APERTURE 2437 * @see CaptureRequest#LENS_FILTER_DENSITY 2438 * @see CaptureRequest#LENS_FOCAL_LENGTH 2439 * @see CaptureRequest#LENS_FOCUS_DISTANCE 2440 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_APERTURES 2441 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_FILTER_DENSITIES 2442 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_FOCAL_LENGTHS 2443 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 2444 * @see #LENS_STATE_STATIONARY 2445 * @see #LENS_STATE_MOVING 2446 */ 2447 @PublicKey 2448 public static final Key<Integer> LENS_STATE = 2449 new Key<Integer>("android.lens.state", int.class); 2450 2451 /** 2452 * <p>Mode of operation for the noise reduction algorithm.</p> 2453 * <p>The noise reduction algorithm attempts to improve image quality by removing 2454 * excessive noise added by the capture process, especially in dark conditions. 2455 * OFF means no noise reduction will be applied by the camera device.</p> 2456 * <p>FAST/HIGH_QUALITY both mean camera device determined noise filtering 2457 * will be applied. HIGH_QUALITY mode indicates that the camera device 2458 * will use the highest-quality noise filtering algorithms, 2459 * even if it slows down capture rate. FAST means the camera device will not 2460 * slow down capture rate when applying noise filtering.</p> 2461 * <p><b>Possible values:</b> 2462 * <ul> 2463 * <li>{@link #NOISE_REDUCTION_MODE_OFF OFF}</li> 2464 * <li>{@link #NOISE_REDUCTION_MODE_FAST FAST}</li> 2465 * <li>{@link #NOISE_REDUCTION_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 2466 * </ul></p> 2467 * <p><b>Available values for this device:</b><br> 2468 * {@link CameraCharacteristics#NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES android.noiseReduction.availableNoiseReductionModes}</p> 2469 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2470 * <p><b>Full capability</b> - 2471 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2472 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2473 * 2474 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2475 * @see CameraCharacteristics#NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES 2476 * @see #NOISE_REDUCTION_MODE_OFF 2477 * @see #NOISE_REDUCTION_MODE_FAST 2478 * @see #NOISE_REDUCTION_MODE_HIGH_QUALITY 2479 */ 2480 @PublicKey 2481 public static final Key<Integer> NOISE_REDUCTION_MODE = 2482 new Key<Integer>("android.noiseReduction.mode", int.class); 2483 2484 /** 2485 * <p>Whether a result given to the framework is the 2486 * final one for the capture, or only a partial that contains a 2487 * subset of the full set of dynamic metadata 2488 * values.</p> 2489 * <p>The entries in the result metadata buffers for a 2490 * single capture may not overlap, except for this entry. The 2491 * FINAL buffers must retain FIFO ordering relative to the 2492 * requests that generate them, so the FINAL buffer for frame 3 must 2493 * always be sent to the framework after the FINAL buffer for frame 2, and 2494 * before the FINAL buffer for frame 4. PARTIAL buffers may be returned 2495 * in any order relative to other frames, but all PARTIAL buffers for a given 2496 * capture must arrive before the FINAL buffer for that capture. This entry may 2497 * only be used by the camera device if quirks.usePartialResult is set to 1.</p> 2498 * <p><b>Range of valid values:</b><br> 2499 * Optional. Default value is FINAL.</p> 2500 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2501 * @deprecated 2502 * @hide 2503 */ 2504 @Deprecated 2505 public static final Key<Boolean> QUIRKS_PARTIAL_RESULT = 2506 new Key<Boolean>("android.quirks.partialResult", boolean.class); 2507 2508 /** 2509 * <p>A frame counter set by the framework. This value monotonically 2510 * increases with every new result (that is, each new result has a unique 2511 * frameCount value).</p> 2512 * <p>Reset on release()</p> 2513 * <p><b>Units</b>: count of frames</p> 2514 * <p><b>Range of valid values:</b><br> 2515 * > 0</p> 2516 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2517 * @deprecated 2518 * @hide 2519 */ 2520 @Deprecated 2521 public static final Key<Integer> REQUEST_FRAME_COUNT = 2522 new Key<Integer>("android.request.frameCount", int.class); 2523 2524 /** 2525 * <p>An application-specified ID for the current 2526 * request. Must be maintained unchanged in output 2527 * frame</p> 2528 * <p><b>Units</b>: arbitrary integer assigned by application</p> 2529 * <p><b>Range of valid values:</b><br> 2530 * Any int</p> 2531 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2532 * @hide 2533 */ 2534 public static final Key<Integer> REQUEST_ID = 2535 new Key<Integer>("android.request.id", int.class); 2536 2537 /** 2538 * <p>Specifies the number of pipeline stages the frame went 2539 * through from when it was exposed to when the final completed result 2540 * was available to the framework.</p> 2541 * <p>Depending on what settings are used in the request, and 2542 * what streams are configured, the data may undergo less processing, 2543 * and some pipeline stages skipped.</p> 2544 * <p>See {@link CameraCharacteristics#REQUEST_PIPELINE_MAX_DEPTH android.request.pipelineMaxDepth} for more details.</p> 2545 * <p><b>Range of valid values:</b><br> 2546 * <= {@link CameraCharacteristics#REQUEST_PIPELINE_MAX_DEPTH android.request.pipelineMaxDepth}</p> 2547 * <p>This key is available on all devices.</p> 2548 * 2549 * @see CameraCharacteristics#REQUEST_PIPELINE_MAX_DEPTH 2550 */ 2551 @PublicKey 2552 public static final Key<Byte> REQUEST_PIPELINE_DEPTH = 2553 new Key<Byte>("android.request.pipelineDepth", byte.class); 2554 2555 /** 2556 * <p>The desired region of the sensor to read out for this capture.</p> 2557 * <p>This control can be used to implement digital zoom.</p> 2558 * <p>The crop region coordinate system is based off 2559 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}, with <code>(0, 0)</code> being the 2560 * top-left corner of the sensor active array.</p> 2561 * <p>Output streams use this rectangle to produce their output, 2562 * cropping to a smaller region if necessary to maintain the 2563 * stream's aspect ratio, then scaling the sensor input to 2564 * match the output's configured resolution.</p> 2565 * <p>The crop region is applied after the RAW to other color 2566 * space (e.g. YUV) conversion. Since raw streams 2567 * (e.g. RAW16) don't have the conversion stage, they are not 2568 * croppable. The crop region will be ignored by raw streams.</p> 2569 * <p>For non-raw streams, any additional per-stream cropping will 2570 * be done to maximize the final pixel area of the stream.</p> 2571 * <p>For example, if the crop region is set to a 4:3 aspect 2572 * ratio, then 4:3 streams will use the exact crop 2573 * region. 16:9 streams will further crop vertically 2574 * (letterbox).</p> 2575 * <p>Conversely, if the crop region is set to a 16:9, then 4:3 2576 * outputs will crop horizontally (pillarbox), and 16:9 2577 * streams will match exactly. These additional crops will 2578 * be centered within the crop region.</p> 2579 * <p>The width and height of the crop region cannot 2580 * be set to be smaller than 2581 * <code>floor( activeArraySize.width / {@link CameraCharacteristics#SCALER_AVAILABLE_MAX_DIGITAL_ZOOM android.scaler.availableMaxDigitalZoom} )</code> and 2582 * <code>floor( activeArraySize.height / {@link CameraCharacteristics#SCALER_AVAILABLE_MAX_DIGITAL_ZOOM android.scaler.availableMaxDigitalZoom} )</code>, respectively.</p> 2583 * <p>The camera device may adjust the crop region to account 2584 * for rounding and other hardware requirements; the final 2585 * crop region used will be included in the output capture 2586 * result.</p> 2587 * <p><b>Units</b>: Pixel coordinates relative to 2588 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</p> 2589 * <p>This key is available on all devices.</p> 2590 * 2591 * @see CameraCharacteristics#SCALER_AVAILABLE_MAX_DIGITAL_ZOOM 2592 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 2593 */ 2594 @PublicKey 2595 public static final Key<android.graphics.Rect> SCALER_CROP_REGION = 2596 new Key<android.graphics.Rect>("android.scaler.cropRegion", android.graphics.Rect.class); 2597 2598 /** 2599 * <p>Duration each pixel is exposed to 2600 * light.</p> 2601 * <p>If the sensor can't expose this exact duration, it will shorten the 2602 * duration exposed to the nearest possible value (rather than expose longer). 2603 * The final exposure time used will be available in the output capture result.</p> 2604 * <p>This control is only effective if {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} or {@link CaptureRequest#CONTROL_MODE android.control.mode} is set to 2605 * OFF; otherwise the auto-exposure algorithm will override this value.</p> 2606 * <p><b>Units</b>: Nanoseconds</p> 2607 * <p><b>Range of valid values:</b><br> 2608 * {@link CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE android.sensor.info.exposureTimeRange}</p> 2609 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2610 * <p><b>Full capability</b> - 2611 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2612 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2613 * 2614 * @see CaptureRequest#CONTROL_AE_MODE 2615 * @see CaptureRequest#CONTROL_MODE 2616 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2617 * @see CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE 2618 */ 2619 @PublicKey 2620 public static final Key<Long> SENSOR_EXPOSURE_TIME = 2621 new Key<Long>("android.sensor.exposureTime", long.class); 2622 2623 /** 2624 * <p>Duration from start of frame exposure to 2625 * start of next frame exposure.</p> 2626 * <p>The maximum frame rate that can be supported by a camera subsystem is 2627 * a function of many factors:</p> 2628 * <ul> 2629 * <li>Requested resolutions of output image streams</li> 2630 * <li>Availability of binning / skipping modes on the imager</li> 2631 * <li>The bandwidth of the imager interface</li> 2632 * <li>The bandwidth of the various ISP processing blocks</li> 2633 * </ul> 2634 * <p>Since these factors can vary greatly between different ISPs and 2635 * sensors, the camera abstraction tries to represent the bandwidth 2636 * restrictions with as simple a model as possible.</p> 2637 * <p>The model presented has the following characteristics:</p> 2638 * <ul> 2639 * <li>The image sensor is always configured to output the smallest 2640 * resolution possible given the application's requested output stream 2641 * sizes. The smallest resolution is defined as being at least as large 2642 * as the largest requested output stream size; the camera pipeline must 2643 * never digitally upsample sensor data when the crop region covers the 2644 * whole sensor. In general, this means that if only small output stream 2645 * resolutions are configured, the sensor can provide a higher frame 2646 * rate.</li> 2647 * <li>Since any request may use any or all the currently configured 2648 * output streams, the sensor and ISP must be configured to support 2649 * scaling a single capture to all the streams at the same time. This 2650 * means the camera pipeline must be ready to produce the largest 2651 * requested output size without any delay. Therefore, the overall 2652 * frame rate of a given configured stream set is governed only by the 2653 * largest requested stream resolution.</li> 2654 * <li>Using more than one output stream in a request does not affect the 2655 * frame duration.</li> 2656 * <li>Certain format-streams may need to do additional background processing 2657 * before data is consumed/produced by that stream. These processors 2658 * can run concurrently to the rest of the camera pipeline, but 2659 * cannot process more than 1 capture at a time.</li> 2660 * </ul> 2661 * <p>The necessary information for the application, given the model above, 2662 * is provided via the {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap} field 2663 * using StreamConfigurationMap#getOutputMinFrameDuration(int, Size). 2664 * These are used to determine the maximum frame rate / minimum frame 2665 * duration that is possible for a given stream configuration.</p> 2666 * <p>Specifically, the application can use the following rules to 2667 * determine the minimum frame duration it can request from the camera 2668 * device:</p> 2669 * <ol> 2670 * <li>Let the set of currently configured input/output streams 2671 * be called <code>S</code>.</li> 2672 * <li>Find the minimum frame durations for each stream in <code>S</code>, by 2673 * looking it up in {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap} using 2674 * StreamConfigurationMap#getOutputMinFrameDuration(int, Size) (with 2675 * its respective size/format). Let this set of frame durations be called 2676 * <code>F</code>.</li> 2677 * <li>For any given request <code>R</code>, the minimum frame duration allowed 2678 * for <code>R</code> is the maximum out of all values in <code>F</code>. Let the streams 2679 * used in <code>R</code> be called <code>S_r</code>.</li> 2680 * </ol> 2681 * <p>If none of the streams in <code>S_r</code> have a stall time (listed in 2682 * StreamConfigurationMap#getOutputStallDuration(int,Size) using its 2683 * respective size/format), then the frame duration in 2684 * <code>F</code> determines the steady state frame rate that the application will 2685 * get if it uses <code>R</code> as a repeating request. Let this special kind 2686 * of request be called <code>Rsimple</code>.</p> 2687 * <p>A repeating request <code>Rsimple</code> can be <em>occasionally</em> interleaved 2688 * by a single capture of a new request <code>Rstall</code> (which has at least 2689 * one in-use stream with a non-0 stall time) and if <code>Rstall</code> has the 2690 * same minimum frame duration this will not cause a frame rate loss 2691 * if all buffers from the previous <code>Rstall</code> have already been 2692 * delivered.</p> 2693 * <p>For more details about stalling, see 2694 * StreamConfigurationMap#getOutputStallDuration(int,Size).</p> 2695 * <p>This control is only effective if {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} or {@link CaptureRequest#CONTROL_MODE android.control.mode} is set to 2696 * OFF; otherwise the auto-exposure algorithm will override this value.</p> 2697 * <p><b>Units</b>: Nanoseconds</p> 2698 * <p><b>Range of valid values:</b><br> 2699 * See {@link CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION android.sensor.info.maxFrameDuration}, 2700 * {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}. The duration 2701 * is capped to <code>max(duration, exposureTime + overhead)</code>.</p> 2702 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2703 * <p><b>Full capability</b> - 2704 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2705 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2706 * 2707 * @see CaptureRequest#CONTROL_AE_MODE 2708 * @see CaptureRequest#CONTROL_MODE 2709 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2710 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 2711 * @see CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION 2712 */ 2713 @PublicKey 2714 public static final Key<Long> SENSOR_FRAME_DURATION = 2715 new Key<Long>("android.sensor.frameDuration", long.class); 2716 2717 /** 2718 * <p>The amount of gain applied to sensor data 2719 * before processing.</p> 2720 * <p>The sensitivity is the standard ISO sensitivity value, 2721 * as defined in ISO 12232:2006.</p> 2722 * <p>The sensitivity must be within {@link CameraCharacteristics#SENSOR_INFO_SENSITIVITY_RANGE android.sensor.info.sensitivityRange}, and 2723 * if if it less than {@link CameraCharacteristics#SENSOR_MAX_ANALOG_SENSITIVITY android.sensor.maxAnalogSensitivity}, the camera device 2724 * is guaranteed to use only analog amplification for applying the gain.</p> 2725 * <p>If the camera device cannot apply the exact sensitivity 2726 * requested, it will reduce the gain to the nearest supported 2727 * value. The final sensitivity used will be available in the 2728 * output capture result.</p> 2729 * <p><b>Units</b>: ISO arithmetic units</p> 2730 * <p><b>Range of valid values:</b><br> 2731 * {@link CameraCharacteristics#SENSOR_INFO_SENSITIVITY_RANGE android.sensor.info.sensitivityRange}</p> 2732 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2733 * <p><b>Full capability</b> - 2734 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2735 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2736 * 2737 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2738 * @see CameraCharacteristics#SENSOR_INFO_SENSITIVITY_RANGE 2739 * @see CameraCharacteristics#SENSOR_MAX_ANALOG_SENSITIVITY 2740 */ 2741 @PublicKey 2742 public static final Key<Integer> SENSOR_SENSITIVITY = 2743 new Key<Integer>("android.sensor.sensitivity", int.class); 2744 2745 /** 2746 * <p>Time at start of exposure of first 2747 * row of the image sensor active array, in nanoseconds.</p> 2748 * <p>The timestamps are also included in all image 2749 * buffers produced for the same capture, and will be identical 2750 * on all the outputs.</p> 2751 * <p>When {@link CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE android.sensor.info.timestampSource} <code>==</code> UNKNOWN, 2752 * the timestamps measure time since an unspecified starting point, 2753 * and are monotonically increasing. They can be compared with the 2754 * timestamps for other captures from the same camera device, but are 2755 * not guaranteed to be comparable to any other time source.</p> 2756 * <p>When {@link CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE android.sensor.info.timestampSource} <code>==</code> REALTIME, 2757 * the timestamps measure time in the same timebase as 2758 * android.os.SystemClock#elapsedRealtimeNanos(), and they can be 2759 * compared to other timestamps from other subsystems that are using 2760 * that base.</p> 2761 * <p><b>Units</b>: Nanoseconds</p> 2762 * <p><b>Range of valid values:</b><br> 2763 * > 0</p> 2764 * <p>This key is available on all devices.</p> 2765 * 2766 * @see CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE 2767 */ 2768 @PublicKey 2769 public static final Key<Long> SENSOR_TIMESTAMP = 2770 new Key<Long>("android.sensor.timestamp", long.class); 2771 2772 /** 2773 * <p>The estimated camera neutral color in the native sensor colorspace at 2774 * the time of capture.</p> 2775 * <p>This value gives the neutral color point encoded as an RGB value in the 2776 * native sensor color space. The neutral color point indicates the 2777 * currently estimated white point of the scene illumination. It can be 2778 * used to interpolate between the provided color transforms when 2779 * processing raw sensor data.</p> 2780 * <p>The order of the values is R, G, B; where R is in the lowest index.</p> 2781 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2782 */ 2783 @PublicKey 2784 public static final Key<Rational[]> SENSOR_NEUTRAL_COLOR_POINT = 2785 new Key<Rational[]>("android.sensor.neutralColorPoint", Rational[].class); 2786 2787 /** 2788 * <p>Noise model coefficients for each CFA mosaic channel.</p> 2789 * <p>This key contains two noise model coefficients for each CFA channel 2790 * corresponding to the sensor amplification (S) and sensor readout 2791 * noise (O). These are given as pairs of coefficients for each channel 2792 * in the same order as channels listed for the CFA layout key 2793 * (see {@link CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT android.sensor.info.colorFilterArrangement}). This is 2794 * represented as an array of Pair<Double, Double>, where 2795 * the first member of the Pair at index n is the S coefficient and the 2796 * second member is the O coefficient for the nth color channel in the CFA.</p> 2797 * <p>These coefficients are used in a two parameter noise model to describe 2798 * the amount of noise present in the image for each CFA channel. The 2799 * noise model used here is:</p> 2800 * <p>N(x) = sqrt(Sx + O)</p> 2801 * <p>Where x represents the recorded signal of a CFA channel normalized to 2802 * the range [0, 1], and S and O are the noise model coeffiecients for 2803 * that channel.</p> 2804 * <p>A more detailed description of the noise model can be found in the 2805 * Adobe DNG specification for the NoiseProfile tag.</p> 2806 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2807 * 2808 * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT 2809 */ 2810 @PublicKey 2811 public static final Key<android.util.Pair<Double,Double>[]> SENSOR_NOISE_PROFILE = 2812 new Key<android.util.Pair<Double,Double>[]>("android.sensor.noiseProfile", new TypeReference<android.util.Pair<Double,Double>[]>() {{ }}); 2813 2814 /** 2815 * <p>The worst-case divergence between Bayer green channels.</p> 2816 * <p>This value is an estimate of the worst case split between the 2817 * Bayer green channels in the red and blue rows in the sensor color 2818 * filter array.</p> 2819 * <p>The green split is calculated as follows:</p> 2820 * <ol> 2821 * <li>A 5x5 pixel (or larger) window W within the active sensor array is 2822 * chosen. The term 'pixel' here is taken to mean a group of 4 Bayer 2823 * mosaic channels (R, Gr, Gb, B). The location and size of the window 2824 * chosen is implementation defined, and should be chosen to provide a 2825 * green split estimate that is both representative of the entire image 2826 * for this camera sensor, and can be calculated quickly.</li> 2827 * <li>The arithmetic mean of the green channels from the red 2828 * rows (mean_Gr) within W is computed.</li> 2829 * <li>The arithmetic mean of the green channels from the blue 2830 * rows (mean_Gb) within W is computed.</li> 2831 * <li>The maximum ratio R of the two means is computed as follows: 2832 * <code>R = max((mean_Gr + 1)/(mean_Gb + 1), (mean_Gb + 1)/(mean_Gr + 1))</code></li> 2833 * </ol> 2834 * <p>The ratio R is the green split divergence reported for this property, 2835 * which represents how much the green channels differ in the mosaic 2836 * pattern. This value is typically used to determine the treatment of 2837 * the green mosaic channels when demosaicing.</p> 2838 * <p>The green split value can be roughly interpreted as follows:</p> 2839 * <ul> 2840 * <li>R < 1.03 is a negligible split (<3% divergence).</li> 2841 * <li>1.20 <= R >= 1.03 will require some software 2842 * correction to avoid demosaic errors (3-20% divergence).</li> 2843 * <li>R > 1.20 will require strong software correction to produce 2844 * a usuable image (>20% divergence).</li> 2845 * </ul> 2846 * <p><b>Range of valid values:</b><br></p> 2847 * <p>>= 0</p> 2848 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2849 */ 2850 @PublicKey 2851 public static final Key<Float> SENSOR_GREEN_SPLIT = 2852 new Key<Float>("android.sensor.greenSplit", float.class); 2853 2854 /** 2855 * <p>A pixel <code>[R, G_even, G_odd, B]</code> that supplies the test pattern 2856 * when {@link CaptureRequest#SENSOR_TEST_PATTERN_MODE android.sensor.testPatternMode} is SOLID_COLOR.</p> 2857 * <p>Each color channel is treated as an unsigned 32-bit integer. 2858 * The camera device then uses the most significant X bits 2859 * that correspond to how many bits are in its Bayer raw sensor 2860 * output.</p> 2861 * <p>For example, a sensor with RAW10 Bayer output would use the 2862 * 10 most significant bits from each color channel.</p> 2863 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2864 * 2865 * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE 2866 */ 2867 @PublicKey 2868 public static final Key<int[]> SENSOR_TEST_PATTERN_DATA = 2869 new Key<int[]>("android.sensor.testPatternData", int[].class); 2870 2871 /** 2872 * <p>When enabled, the sensor sends a test pattern instead of 2873 * doing a real exposure from the camera.</p> 2874 * <p>When a test pattern is enabled, all manual sensor controls specified 2875 * by android.sensor.* will be ignored. All other controls should 2876 * work as normal.</p> 2877 * <p>For example, if manual flash is enabled, flash firing should still 2878 * occur (and that the test pattern remain unmodified, since the flash 2879 * would not actually affect it).</p> 2880 * <p>Defaults to OFF.</p> 2881 * <p><b>Possible values:</b> 2882 * <ul> 2883 * <li>{@link #SENSOR_TEST_PATTERN_MODE_OFF OFF}</li> 2884 * <li>{@link #SENSOR_TEST_PATTERN_MODE_SOLID_COLOR SOLID_COLOR}</li> 2885 * <li>{@link #SENSOR_TEST_PATTERN_MODE_COLOR_BARS COLOR_BARS}</li> 2886 * <li>{@link #SENSOR_TEST_PATTERN_MODE_COLOR_BARS_FADE_TO_GRAY COLOR_BARS_FADE_TO_GRAY}</li> 2887 * <li>{@link #SENSOR_TEST_PATTERN_MODE_PN9 PN9}</li> 2888 * <li>{@link #SENSOR_TEST_PATTERN_MODE_CUSTOM1 CUSTOM1}</li> 2889 * </ul></p> 2890 * <p><b>Available values for this device:</b><br> 2891 * {@link CameraCharacteristics#SENSOR_AVAILABLE_TEST_PATTERN_MODES android.sensor.availableTestPatternModes}</p> 2892 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2893 * 2894 * @see CameraCharacteristics#SENSOR_AVAILABLE_TEST_PATTERN_MODES 2895 * @see #SENSOR_TEST_PATTERN_MODE_OFF 2896 * @see #SENSOR_TEST_PATTERN_MODE_SOLID_COLOR 2897 * @see #SENSOR_TEST_PATTERN_MODE_COLOR_BARS 2898 * @see #SENSOR_TEST_PATTERN_MODE_COLOR_BARS_FADE_TO_GRAY 2899 * @see #SENSOR_TEST_PATTERN_MODE_PN9 2900 * @see #SENSOR_TEST_PATTERN_MODE_CUSTOM1 2901 */ 2902 @PublicKey 2903 public static final Key<Integer> SENSOR_TEST_PATTERN_MODE = 2904 new Key<Integer>("android.sensor.testPatternMode", int.class); 2905 2906 /** 2907 * <p>Duration between the start of first row exposure 2908 * and the start of last row exposure.</p> 2909 * <p>This is the exposure time skew between the first and last 2910 * row exposure start times. The first row and the last row are 2911 * the first and last rows inside of the 2912 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.</p> 2913 * <p>For typical camera sensors that use rolling shutters, this is also equivalent 2914 * to the frame readout time.</p> 2915 * <p><b>Units</b>: Nanoseconds</p> 2916 * <p><b>Range of valid values:</b><br> 2917 * >= 0 and < 2918 * StreamConfigurationMap#getOutputMinFrameDuration(int, Size).</p> 2919 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2920 * <p><b>Limited capability</b> - 2921 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2922 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2923 * 2924 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2925 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 2926 */ 2927 @PublicKey 2928 public static final Key<Long> SENSOR_ROLLING_SHUTTER_SKEW = 2929 new Key<Long>("android.sensor.rollingShutterSkew", long.class); 2930 2931 /** 2932 * <p>Quality of lens shading correction applied 2933 * to the image data.</p> 2934 * <p>When set to OFF mode, no lens shading correction will be applied by the 2935 * camera device, and an identity lens shading map data will be provided 2936 * if <code>{@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode} == ON</code>. For example, for lens 2937 * shading map with size of <code>[ 4, 3 ]</code>, 2938 * the output {@link CaptureResult#STATISTICS_LENS_SHADING_CORRECTION_MAP android.statistics.lensShadingCorrectionMap} for this case will be an identity 2939 * map shown below:</p> 2940 * <pre><code>[ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 2941 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 2942 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 2943 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 2944 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 2945 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] 2946 * </code></pre> 2947 * <p>When set to other modes, lens shading correction will be applied by the camera 2948 * device. Applications can request lens shading map data by setting 2949 * {@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode} to ON, and then the camera device will provide lens 2950 * shading map data in {@link CaptureResult#STATISTICS_LENS_SHADING_CORRECTION_MAP android.statistics.lensShadingCorrectionMap}; the returned shading map 2951 * data will be the one applied by the camera device for this capture request.</p> 2952 * <p>The shading map data may depend on the auto-exposure (AE) and AWB statistics, therefore 2953 * the reliability of the map data may be affected by the AE and AWB algorithms. When AE and 2954 * AWB are in AUTO modes({@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} <code>!=</code> OFF and {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} <code>!=</code> 2955 * OFF), to get best results, it is recommended that the applications wait for the AE and AWB 2956 * to be converged before using the returned shading map data.</p> 2957 * <p><b>Possible values:</b> 2958 * <ul> 2959 * <li>{@link #SHADING_MODE_OFF OFF}</li> 2960 * <li>{@link #SHADING_MODE_FAST FAST}</li> 2961 * <li>{@link #SHADING_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 2962 * </ul></p> 2963 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2964 * <p><b>Full capability</b> - 2965 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2966 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2967 * 2968 * @see CaptureRequest#CONTROL_AE_MODE 2969 * @see CaptureRequest#CONTROL_AWB_MODE 2970 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2971 * @see CaptureResult#STATISTICS_LENS_SHADING_CORRECTION_MAP 2972 * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE 2973 * @see #SHADING_MODE_OFF 2974 * @see #SHADING_MODE_FAST 2975 * @see #SHADING_MODE_HIGH_QUALITY 2976 */ 2977 @PublicKey 2978 public static final Key<Integer> SHADING_MODE = 2979 new Key<Integer>("android.shading.mode", int.class); 2980 2981 /** 2982 * <p>Operating mode for the face detector 2983 * unit.</p> 2984 * <p>Whether face detection is enabled, and whether it 2985 * should output just the basic fields or the full set of 2986 * fields.</p> 2987 * <p><b>Possible values:</b> 2988 * <ul> 2989 * <li>{@link #STATISTICS_FACE_DETECT_MODE_OFF OFF}</li> 2990 * <li>{@link #STATISTICS_FACE_DETECT_MODE_SIMPLE SIMPLE}</li> 2991 * <li>{@link #STATISTICS_FACE_DETECT_MODE_FULL FULL}</li> 2992 * </ul></p> 2993 * <p><b>Available values for this device:</b><br> 2994 * {@link CameraCharacteristics#STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES android.statistics.info.availableFaceDetectModes}</p> 2995 * <p>This key is available on all devices.</p> 2996 * 2997 * @see CameraCharacteristics#STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES 2998 * @see #STATISTICS_FACE_DETECT_MODE_OFF 2999 * @see #STATISTICS_FACE_DETECT_MODE_SIMPLE 3000 * @see #STATISTICS_FACE_DETECT_MODE_FULL 3001 */ 3002 @PublicKey 3003 public static final Key<Integer> STATISTICS_FACE_DETECT_MODE = 3004 new Key<Integer>("android.statistics.faceDetectMode", int.class); 3005 3006 /** 3007 * <p>List of unique IDs for detected faces.</p> 3008 * <p>Each detected face is given a unique ID that is valid for as long as the face is visible 3009 * to the camera device. A face that leaves the field of view and later returns may be 3010 * assigned a new ID.</p> 3011 * <p>Only available if {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} == FULL 3012 * This key is available on all devices.</p> 3013 * 3014 * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE 3015 * @hide 3016 */ 3017 public static final Key<int[]> STATISTICS_FACE_IDS = 3018 new Key<int[]>("android.statistics.faceIds", int[].class); 3019 3020 /** 3021 * <p>List of landmarks for detected 3022 * faces.</p> 3023 * <p>The coordinate system is that of {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}, with 3024 * <code>(0, 0)</code> being the top-left pixel of the active array.</p> 3025 * <p>Only available if {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} == FULL 3026 * This key is available on all devices.</p> 3027 * 3028 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 3029 * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE 3030 * @hide 3031 */ 3032 public static final Key<int[]> STATISTICS_FACE_LANDMARKS = 3033 new Key<int[]>("android.statistics.faceLandmarks", int[].class); 3034 3035 /** 3036 * <p>List of the bounding rectangles for detected 3037 * faces.</p> 3038 * <p>The coordinate system is that of {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}, with 3039 * <code>(0, 0)</code> being the top-left pixel of the active array.</p> 3040 * <p>Only available if {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} != OFF 3041 * This key is available on all devices.</p> 3042 * 3043 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 3044 * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE 3045 * @hide 3046 */ 3047 public static final Key<android.graphics.Rect[]> STATISTICS_FACE_RECTANGLES = 3048 new Key<android.graphics.Rect[]>("android.statistics.faceRectangles", android.graphics.Rect[].class); 3049 3050 /** 3051 * <p>List of the face confidence scores for 3052 * detected faces</p> 3053 * <p>Only available if {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} != OFF.</p> 3054 * <p><b>Range of valid values:</b><br> 3055 * 1-100</p> 3056 * <p>This key is available on all devices.</p> 3057 * 3058 * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE 3059 * @hide 3060 */ 3061 public static final Key<byte[]> STATISTICS_FACE_SCORES = 3062 new Key<byte[]>("android.statistics.faceScores", byte[].class); 3063 3064 /** 3065 * <p>List of the faces detected through camera face detection 3066 * in this capture.</p> 3067 * <p>Only available if {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} <code>!=</code> OFF.</p> 3068 * <p>This key is available on all devices.</p> 3069 * 3070 * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE 3071 */ 3072 @PublicKey 3073 @SyntheticKey 3074 public static final Key<android.hardware.camera2.params.Face[]> STATISTICS_FACES = 3075 new Key<android.hardware.camera2.params.Face[]>("android.statistics.faces", android.hardware.camera2.params.Face[].class); 3076 3077 /** 3078 * <p>The shading map is a low-resolution floating-point map 3079 * that lists the coefficients used to correct for vignetting, for each 3080 * Bayer color channel.</p> 3081 * <p>The least shaded section of the image should have a gain factor 3082 * of 1; all other sections should have gains above 1.</p> 3083 * <p>When {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} = TRANSFORM_MATRIX, the map 3084 * must take into account the colorCorrection settings.</p> 3085 * <p>The shading map is for the entire active pixel array, and is not 3086 * affected by the crop region specified in the request. Each shading map 3087 * entry is the value of the shading compensation map over a specific 3088 * pixel on the sensor. Specifically, with a (N x M) resolution shading 3089 * map, and an active pixel array size (W x H), shading map entry 3090 * (x,y) ϵ (0 ... N-1, 0 ... M-1) is the value of the shading map at 3091 * pixel ( ((W-1)/(N-1)) * x, ((H-1)/(M-1)) * y) for the four color channels. 3092 * The map is assumed to be bilinearly interpolated between the sample points.</p> 3093 * <p>The channel order is [R, Geven, Godd, B], where Geven is the green 3094 * channel for the even rows of a Bayer pattern, and Godd is the odd rows. 3095 * The shading map is stored in a fully interleaved format.</p> 3096 * <p>The shading map should have on the order of 30-40 rows and columns, 3097 * and must be smaller than 64x64.</p> 3098 * <p>As an example, given a very small map defined as:</p> 3099 * <pre><code>width,height = [ 4, 3 ] 3100 * values = 3101 * [ 1.3, 1.2, 1.15, 1.2, 1.2, 1.2, 1.15, 1.2, 3102 * 1.1, 1.2, 1.2, 1.2, 1.3, 1.2, 1.3, 1.3, 3103 * 1.2, 1.2, 1.25, 1.1, 1.1, 1.1, 1.1, 1.0, 3104 * 1.0, 1.0, 1.0, 1.0, 1.2, 1.3, 1.25, 1.2, 3105 * 1.3, 1.2, 1.2, 1.3, 1.2, 1.15, 1.1, 1.2, 3106 * 1.2, 1.1, 1.0, 1.2, 1.3, 1.15, 1.2, 1.3 ] 3107 * </code></pre> 3108 * <p>The low-resolution scaling map images for each channel are 3109 * (displayed using nearest-neighbor interpolation):</p> 3110 * <p><img alt="Red lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/red_shading.png" /> 3111 * <img alt="Green (even rows) lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/green_e_shading.png" /> 3112 * <img alt="Green (odd rows) lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/green_o_shading.png" /> 3113 * <img alt="Blue lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/blue_shading.png" /></p> 3114 * <p>As a visualization only, inverting the full-color map to recover an 3115 * image of a gray wall (using bicubic interpolation for visual quality) as captured by the sensor gives:</p> 3116 * <p><img alt="Image of a uniform white wall (inverse shading map)" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/inv_shading.png" /></p> 3117 * <p><b>Range of valid values:</b><br> 3118 * Each gain factor is >= 1</p> 3119 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3120 * <p><b>Full capability</b> - 3121 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3122 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3123 * 3124 * @see CaptureRequest#COLOR_CORRECTION_MODE 3125 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3126 */ 3127 @PublicKey 3128 public static final Key<android.hardware.camera2.params.LensShadingMap> STATISTICS_LENS_SHADING_CORRECTION_MAP = 3129 new Key<android.hardware.camera2.params.LensShadingMap>("android.statistics.lensShadingCorrectionMap", android.hardware.camera2.params.LensShadingMap.class); 3130 3131 /** 3132 * <p>The shading map is a low-resolution floating-point map 3133 * that lists the coefficients used to correct for vignetting, for each 3134 * Bayer color channel.</p> 3135 * <p>The least shaded section of the image should have a gain factor 3136 * of 1; all other sections should have gains above 1.</p> 3137 * <p>When {@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} = TRANSFORM_MATRIX, the map 3138 * must take into account the colorCorrection settings.</p> 3139 * <p>The shading map is for the entire active pixel array, and is not 3140 * affected by the crop region specified in the request. Each shading map 3141 * entry is the value of the shading compensation map over a specific 3142 * pixel on the sensor. Specifically, with a (N x M) resolution shading 3143 * map, and an active pixel array size (W x H), shading map entry 3144 * (x,y) ϵ (0 ... N-1, 0 ... M-1) is the value of the shading map at 3145 * pixel ( ((W-1)/(N-1)) * x, ((H-1)/(M-1)) * y) for the four color channels. 3146 * The map is assumed to be bilinearly interpolated between the sample points.</p> 3147 * <p>The channel order is [R, Geven, Godd, B], where Geven is the green 3148 * channel for the even rows of a Bayer pattern, and Godd is the odd rows. 3149 * The shading map is stored in a fully interleaved format, and its size 3150 * is provided in the camera static metadata by android.lens.info.shadingMapSize.</p> 3151 * <p>The shading map should have on the order of 30-40 rows and columns, 3152 * and must be smaller than 64x64.</p> 3153 * <p>As an example, given a very small map defined as:</p> 3154 * <pre><code>android.lens.info.shadingMapSize = [ 4, 3 ] 3155 * android.statistics.lensShadingMap = 3156 * [ 1.3, 1.2, 1.15, 1.2, 1.2, 1.2, 1.15, 1.2, 3157 * 1.1, 1.2, 1.2, 1.2, 1.3, 1.2, 1.3, 1.3, 3158 * 1.2, 1.2, 1.25, 1.1, 1.1, 1.1, 1.1, 1.0, 3159 * 1.0, 1.0, 1.0, 1.0, 1.2, 1.3, 1.25, 1.2, 3160 * 1.3, 1.2, 1.2, 1.3, 1.2, 1.15, 1.1, 1.2, 3161 * 1.2, 1.1, 1.0, 1.2, 1.3, 1.15, 1.2, 1.3 ] 3162 * </code></pre> 3163 * <p>The low-resolution scaling map images for each channel are 3164 * (displayed using nearest-neighbor interpolation):</p> 3165 * <p><img alt="Red lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/red_shading.png" /> 3166 * <img alt="Green (even rows) lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/green_e_shading.png" /> 3167 * <img alt="Green (odd rows) lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/green_o_shading.png" /> 3168 * <img alt="Blue lens shading map" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/blue_shading.png" /></p> 3169 * <p>As a visualization only, inverting the full-color map to recover an 3170 * image of a gray wall (using bicubic interpolation for visual quality) as captured by the sensor gives:</p> 3171 * <p><img alt="Image of a uniform white wall (inverse shading map)" src="../../../../images/camera2/metadata/android.statistics.lensShadingMap/inv_shading.png" /></p> 3172 * <p><b>Range of valid values:</b><br> 3173 * Each gain factor is >= 1</p> 3174 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3175 * <p><b>Full capability</b> - 3176 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3177 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3178 * 3179 * @see CaptureRequest#COLOR_CORRECTION_MODE 3180 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3181 * @hide 3182 */ 3183 public static final Key<float[]> STATISTICS_LENS_SHADING_MAP = 3184 new Key<float[]>("android.statistics.lensShadingMap", float[].class); 3185 3186 /** 3187 * <p>The best-fit color channel gains calculated 3188 * by the camera device's statistics units for the current output frame.</p> 3189 * <p>This may be different than the gains used for this frame, 3190 * since statistics processing on data from a new frame 3191 * typically completes after the transform has already been 3192 * applied to that frame.</p> 3193 * <p>The 4 channel gains are defined in Bayer domain, 3194 * see {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} for details.</p> 3195 * <p>This value should always be calculated by the auto-white balance (AWB) block, 3196 * regardless of the android.control.* current values.</p> 3197 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3198 * 3199 * @see CaptureRequest#COLOR_CORRECTION_GAINS 3200 * @deprecated 3201 * @hide 3202 */ 3203 @Deprecated 3204 public static final Key<float[]> STATISTICS_PREDICTED_COLOR_GAINS = 3205 new Key<float[]>("android.statistics.predictedColorGains", float[].class); 3206 3207 /** 3208 * <p>The best-fit color transform matrix estimate 3209 * calculated by the camera device's statistics units for the current 3210 * output frame.</p> 3211 * <p>The camera device will provide the estimate from its 3212 * statistics unit on the white balance transforms to use 3213 * for the next frame. These are the values the camera device believes 3214 * are the best fit for the current output frame. This may 3215 * be different than the transform used for this frame, since 3216 * statistics processing on data from a new frame typically 3217 * completes after the transform has already been applied to 3218 * that frame.</p> 3219 * <p>These estimates must be provided for all frames, even if 3220 * capture settings and color transforms are set by the application.</p> 3221 * <p>This value should always be calculated by the auto-white balance (AWB) block, 3222 * regardless of the android.control.* current values.</p> 3223 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3224 * @deprecated 3225 * @hide 3226 */ 3227 @Deprecated 3228 public static final Key<Rational[]> STATISTICS_PREDICTED_COLOR_TRANSFORM = 3229 new Key<Rational[]>("android.statistics.predictedColorTransform", Rational[].class); 3230 3231 /** 3232 * <p>The camera device estimated scene illumination lighting 3233 * frequency.</p> 3234 * <p>Many light sources, such as most fluorescent lights, flicker at a rate 3235 * that depends on the local utility power standards. This flicker must be 3236 * accounted for by auto-exposure routines to avoid artifacts in captured images. 3237 * The camera device uses this entry to tell the application what the scene 3238 * illuminant frequency is.</p> 3239 * <p>When manual exposure control is enabled 3240 * (<code>{@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} == OFF</code> or <code>{@link CaptureRequest#CONTROL_MODE android.control.mode} == 3241 * OFF</code>), the {@link CaptureRequest#CONTROL_AE_ANTIBANDING_MODE android.control.aeAntibandingMode} doesn't perform 3242 * antibanding, and the application can ensure it selects 3243 * exposure times that do not cause banding issues by looking 3244 * into this metadata field. See 3245 * {@link CaptureRequest#CONTROL_AE_ANTIBANDING_MODE android.control.aeAntibandingMode} for more details.</p> 3246 * <p>Reports NONE if there doesn't appear to be flickering illumination.</p> 3247 * <p><b>Possible values:</b> 3248 * <ul> 3249 * <li>{@link #STATISTICS_SCENE_FLICKER_NONE NONE}</li> 3250 * <li>{@link #STATISTICS_SCENE_FLICKER_50HZ 50HZ}</li> 3251 * <li>{@link #STATISTICS_SCENE_FLICKER_60HZ 60HZ}</li> 3252 * </ul></p> 3253 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3254 * <p><b>Full capability</b> - 3255 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3256 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3257 * 3258 * @see CaptureRequest#CONTROL_AE_ANTIBANDING_MODE 3259 * @see CaptureRequest#CONTROL_AE_MODE 3260 * @see CaptureRequest#CONTROL_MODE 3261 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3262 * @see #STATISTICS_SCENE_FLICKER_NONE 3263 * @see #STATISTICS_SCENE_FLICKER_50HZ 3264 * @see #STATISTICS_SCENE_FLICKER_60HZ 3265 */ 3266 @PublicKey 3267 public static final Key<Integer> STATISTICS_SCENE_FLICKER = 3268 new Key<Integer>("android.statistics.sceneFlicker", int.class); 3269 3270 /** 3271 * <p>Operating mode for hot pixel map generation.</p> 3272 * <p>If set to <code>true</code>, a hot pixel map is returned in {@link CaptureResult#STATISTICS_HOT_PIXEL_MAP android.statistics.hotPixelMap}. 3273 * If set to <code>false</code>, no hot pixel map will be returned.</p> 3274 * <p><b>Range of valid values:</b><br> 3275 * {@link CameraCharacteristics#STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES android.statistics.info.availableHotPixelMapModes}</p> 3276 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3277 * 3278 * @see CaptureResult#STATISTICS_HOT_PIXEL_MAP 3279 * @see CameraCharacteristics#STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES 3280 */ 3281 @PublicKey 3282 public static final Key<Boolean> STATISTICS_HOT_PIXEL_MAP_MODE = 3283 new Key<Boolean>("android.statistics.hotPixelMapMode", boolean.class); 3284 3285 /** 3286 * <p>List of <code>(x, y)</code> coordinates of hot/defective pixels on the sensor.</p> 3287 * <p>A coordinate <code>(x, y)</code> must lie between <code>(0, 0)</code>, and 3288 * <code>(width - 1, height - 1)</code> (inclusive), which are the top-left and 3289 * bottom-right of the pixel array, respectively. The width and 3290 * height dimensions are given in {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}. 3291 * This may include hot pixels that lie outside of the active array 3292 * bounds given by {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.</p> 3293 * <p><b>Range of valid values:</b><br></p> 3294 * <p>n <= number of pixels on the sensor. 3295 * The <code>(x, y)</code> coordinates must be bounded by 3296 * {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}.</p> 3297 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3298 * 3299 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 3300 * @see CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE 3301 */ 3302 @PublicKey 3303 public static final Key<android.graphics.Point[]> STATISTICS_HOT_PIXEL_MAP = 3304 new Key<android.graphics.Point[]>("android.statistics.hotPixelMap", android.graphics.Point[].class); 3305 3306 /** 3307 * <p>Whether the camera device will output the lens 3308 * shading map in output result metadata.</p> 3309 * <p>When set to ON, 3310 * android.statistics.lensShadingMap will be provided in 3311 * the output result metadata.</p> 3312 * <p>ON is always supported on devices with the RAW capability.</p> 3313 * <p><b>Possible values:</b> 3314 * <ul> 3315 * <li>{@link #STATISTICS_LENS_SHADING_MAP_MODE_OFF OFF}</li> 3316 * <li>{@link #STATISTICS_LENS_SHADING_MAP_MODE_ON ON}</li> 3317 * </ul></p> 3318 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3319 * <p><b>Full capability</b> - 3320 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3321 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3322 * 3323 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3324 * @see #STATISTICS_LENS_SHADING_MAP_MODE_OFF 3325 * @see #STATISTICS_LENS_SHADING_MAP_MODE_ON 3326 */ 3327 @PublicKey 3328 public static final Key<Integer> STATISTICS_LENS_SHADING_MAP_MODE = 3329 new Key<Integer>("android.statistics.lensShadingMapMode", int.class); 3330 3331 /** 3332 * <p>Tonemapping / contrast / gamma curve for the blue 3333 * channel, to use when {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} is 3334 * CONTRAST_CURVE.</p> 3335 * <p>See android.tonemap.curveRed for more details.</p> 3336 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3337 * <p><b>Full capability</b> - 3338 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3339 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3340 * 3341 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3342 * @see CaptureRequest#TONEMAP_MODE 3343 * @hide 3344 */ 3345 public static final Key<float[]> TONEMAP_CURVE_BLUE = 3346 new Key<float[]>("android.tonemap.curveBlue", float[].class); 3347 3348 /** 3349 * <p>Tonemapping / contrast / gamma curve for the green 3350 * channel, to use when {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} is 3351 * CONTRAST_CURVE.</p> 3352 * <p>See android.tonemap.curveRed for more details.</p> 3353 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3354 * <p><b>Full capability</b> - 3355 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3356 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3357 * 3358 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3359 * @see CaptureRequest#TONEMAP_MODE 3360 * @hide 3361 */ 3362 public static final Key<float[]> TONEMAP_CURVE_GREEN = 3363 new Key<float[]>("android.tonemap.curveGreen", float[].class); 3364 3365 /** 3366 * <p>Tonemapping / contrast / gamma curve for the red 3367 * channel, to use when {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} is 3368 * CONTRAST_CURVE.</p> 3369 * <p>Each channel's curve is defined by an array of control points:</p> 3370 * <pre><code>android.tonemap.curveRed = 3371 * [ P0in, P0out, P1in, P1out, P2in, P2out, P3in, P3out, ..., PNin, PNout ] 3372 * 2 <= N <= {@link CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS android.tonemap.maxCurvePoints}</code></pre> 3373 * <p>These are sorted in order of increasing <code>Pin</code>; it is 3374 * required that input values 0.0 and 1.0 are included in the list to 3375 * define a complete mapping. For input values between control points, 3376 * the camera device must linearly interpolate between the control 3377 * points.</p> 3378 * <p>Each curve can have an independent number of points, and the number 3379 * of points can be less than max (that is, the request doesn't have to 3380 * always provide a curve with number of points equivalent to 3381 * {@link CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS android.tonemap.maxCurvePoints}).</p> 3382 * <p>A few examples, and their corresponding graphical mappings; these 3383 * only specify the red channel and the precision is limited to 4 3384 * digits, for conciseness.</p> 3385 * <p>Linear mapping:</p> 3386 * <pre><code>android.tonemap.curveRed = [ 0, 0, 1.0, 1.0 ] 3387 * </code></pre> 3388 * <p><img alt="Linear mapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/linear_tonemap.png" /></p> 3389 * <p>Invert mapping:</p> 3390 * <pre><code>android.tonemap.curveRed = [ 0, 1.0, 1.0, 0 ] 3391 * </code></pre> 3392 * <p><img alt="Inverting mapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/inverse_tonemap.png" /></p> 3393 * <p>Gamma 1/2.2 mapping, with 16 control points:</p> 3394 * <pre><code>android.tonemap.curveRed = [ 3395 * 0.0000, 0.0000, 0.0667, 0.2920, 0.1333, 0.4002, 0.2000, 0.4812, 3396 * 0.2667, 0.5484, 0.3333, 0.6069, 0.4000, 0.6594, 0.4667, 0.7072, 3397 * 0.5333, 0.7515, 0.6000, 0.7928, 0.6667, 0.8317, 0.7333, 0.8685, 3398 * 0.8000, 0.9035, 0.8667, 0.9370, 0.9333, 0.9691, 1.0000, 1.0000 ] 3399 * </code></pre> 3400 * <p><img alt="Gamma = 1/2.2 tonemapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/gamma_tonemap.png" /></p> 3401 * <p>Standard sRGB gamma mapping, per IEC 61966-2-1:1999, with 16 control points:</p> 3402 * <pre><code>android.tonemap.curveRed = [ 3403 * 0.0000, 0.0000, 0.0667, 0.2864, 0.1333, 0.4007, 0.2000, 0.4845, 3404 * 0.2667, 0.5532, 0.3333, 0.6125, 0.4000, 0.6652, 0.4667, 0.7130, 3405 * 0.5333, 0.7569, 0.6000, 0.7977, 0.6667, 0.8360, 0.7333, 0.8721, 3406 * 0.8000, 0.9063, 0.8667, 0.9389, 0.9333, 0.9701, 1.0000, 1.0000 ] 3407 * </code></pre> 3408 * <p><img alt="sRGB tonemapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/srgb_tonemap.png" /></p> 3409 * <p><b>Range of valid values:</b><br> 3410 * 0-1 on both input and output coordinates, normalized 3411 * as a floating-point value such that 0 == black and 1 == white.</p> 3412 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3413 * <p><b>Full capability</b> - 3414 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3415 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3416 * 3417 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3418 * @see CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS 3419 * @see CaptureRequest#TONEMAP_MODE 3420 * @hide 3421 */ 3422 public static final Key<float[]> TONEMAP_CURVE_RED = 3423 new Key<float[]>("android.tonemap.curveRed", float[].class); 3424 3425 /** 3426 * <p>Tonemapping / contrast / gamma curve to use when {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} 3427 * is CONTRAST_CURVE.</p> 3428 * <p>The tonemapCurve consist of three curves for each of red, green, and blue 3429 * channels respectively. The following example uses the red channel as an 3430 * example. The same logic applies to green and blue channel. 3431 * Each channel's curve is defined by an array of control points:</p> 3432 * <pre><code>curveRed = 3433 * [ P0(in, out), P1(in, out), P2(in, out), P3(in, out), ..., PN(in, out) ] 3434 * 2 <= N <= {@link CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS android.tonemap.maxCurvePoints}</code></pre> 3435 * <p>These are sorted in order of increasing <code>Pin</code>; it is always 3436 * guaranteed that input values 0.0 and 1.0 are included in the list to 3437 * define a complete mapping. For input values between control points, 3438 * the camera device must linearly interpolate between the control 3439 * points.</p> 3440 * <p>Each curve can have an independent number of points, and the number 3441 * of points can be less than max (that is, the request doesn't have to 3442 * always provide a curve with number of points equivalent to 3443 * {@link CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS android.tonemap.maxCurvePoints}).</p> 3444 * <p>A few examples, and their corresponding graphical mappings; these 3445 * only specify the red channel and the precision is limited to 4 3446 * digits, for conciseness.</p> 3447 * <p>Linear mapping:</p> 3448 * <pre><code>curveRed = [ (0, 0), (1.0, 1.0) ] 3449 * </code></pre> 3450 * <p><img alt="Linear mapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/linear_tonemap.png" /></p> 3451 * <p>Invert mapping:</p> 3452 * <pre><code>curveRed = [ (0, 1.0), (1.0, 0) ] 3453 * </code></pre> 3454 * <p><img alt="Inverting mapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/inverse_tonemap.png" /></p> 3455 * <p>Gamma 1/2.2 mapping, with 16 control points:</p> 3456 * <pre><code>curveRed = [ 3457 * (0.0000, 0.0000), (0.0667, 0.2920), (0.1333, 0.4002), (0.2000, 0.4812), 3458 * (0.2667, 0.5484), (0.3333, 0.6069), (0.4000, 0.6594), (0.4667, 0.7072), 3459 * (0.5333, 0.7515), (0.6000, 0.7928), (0.6667, 0.8317), (0.7333, 0.8685), 3460 * (0.8000, 0.9035), (0.8667, 0.9370), (0.9333, 0.9691), (1.0000, 1.0000) ] 3461 * </code></pre> 3462 * <p><img alt="Gamma = 1/2.2 tonemapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/gamma_tonemap.png" /></p> 3463 * <p>Standard sRGB gamma mapping, per IEC 61966-2-1:1999, with 16 control points:</p> 3464 * <pre><code>curveRed = [ 3465 * (0.0000, 0.0000), (0.0667, 0.2864), (0.1333, 0.4007), (0.2000, 0.4845), 3466 * (0.2667, 0.5532), (0.3333, 0.6125), (0.4000, 0.6652), (0.4667, 0.7130), 3467 * (0.5333, 0.7569), (0.6000, 0.7977), (0.6667, 0.8360), (0.7333, 0.8721), 3468 * (0.8000, 0.9063), (0.8667, 0.9389), (0.9333, 0.9701), (1.0000, 1.0000) ] 3469 * </code></pre> 3470 * <p><img alt="sRGB tonemapping curve" src="../../../../images/camera2/metadata/android.tonemap.curveRed/srgb_tonemap.png" /></p> 3471 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3472 * <p><b>Full capability</b> - 3473 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3474 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3475 * 3476 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3477 * @see CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS 3478 * @see CaptureRequest#TONEMAP_MODE 3479 */ 3480 @PublicKey 3481 @SyntheticKey 3482 public static final Key<android.hardware.camera2.params.TonemapCurve> TONEMAP_CURVE = 3483 new Key<android.hardware.camera2.params.TonemapCurve>("android.tonemap.curve", android.hardware.camera2.params.TonemapCurve.class); 3484 3485 /** 3486 * <p>High-level global contrast/gamma/tonemapping control.</p> 3487 * <p>When switching to an application-defined contrast curve by setting 3488 * {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} to CONTRAST_CURVE, the curve is defined 3489 * per-channel with a set of <code>(in, out)</code> points that specify the 3490 * mapping from input high-bit-depth pixel value to the output 3491 * low-bit-depth value. Since the actual pixel ranges of both input 3492 * and output may change depending on the camera pipeline, the values 3493 * are specified by normalized floating-point numbers.</p> 3494 * <p>More-complex color mapping operations such as 3D color look-up 3495 * tables, selective chroma enhancement, or other non-linear color 3496 * transforms will be disabled when {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} is 3497 * CONTRAST_CURVE.</p> 3498 * <p>When using either FAST or HIGH_QUALITY, the camera device will 3499 * emit its own tonemap curve in {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}. 3500 * These values are always available, and as close as possible to the 3501 * actually used nonlinear/nonglobal transforms.</p> 3502 * <p>If a request is sent with CONTRAST_CURVE with the camera device's 3503 * provided curve in FAST or HIGH_QUALITY, the image's tonemap will be 3504 * roughly the same.</p> 3505 * <p><b>Possible values:</b> 3506 * <ul> 3507 * <li>{@link #TONEMAP_MODE_CONTRAST_CURVE CONTRAST_CURVE}</li> 3508 * <li>{@link #TONEMAP_MODE_FAST FAST}</li> 3509 * <li>{@link #TONEMAP_MODE_HIGH_QUALITY HIGH_QUALITY}</li> 3510 * </ul></p> 3511 * <p><b>Available values for this device:</b><br> 3512 * {@link CameraCharacteristics#TONEMAP_AVAILABLE_TONE_MAP_MODES android.tonemap.availableToneMapModes}</p> 3513 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3514 * <p><b>Full capability</b> - 3515 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3516 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3517 * 3518 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3519 * @see CameraCharacteristics#TONEMAP_AVAILABLE_TONE_MAP_MODES 3520 * @see CaptureRequest#TONEMAP_CURVE 3521 * @see CaptureRequest#TONEMAP_MODE 3522 * @see #TONEMAP_MODE_CONTRAST_CURVE 3523 * @see #TONEMAP_MODE_FAST 3524 * @see #TONEMAP_MODE_HIGH_QUALITY 3525 */ 3526 @PublicKey 3527 public static final Key<Integer> TONEMAP_MODE = 3528 new Key<Integer>("android.tonemap.mode", int.class); 3529 3530 /** 3531 * <p>This LED is nominally used to indicate to the user 3532 * that the camera is powered on and may be streaming images back to the 3533 * Application Processor. In certain rare circumstances, the OS may 3534 * disable this when video is processed locally and not transmitted to 3535 * any untrusted applications.</p> 3536 * <p>In particular, the LED <em>must</em> always be on when the data could be 3537 * transmitted off the device. The LED <em>should</em> always be on whenever 3538 * data is stored locally on the device.</p> 3539 * <p>The LED <em>may</em> be off if a trusted application is using the data that 3540 * doesn't violate the above rules.</p> 3541 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3542 * @hide 3543 */ 3544 public static final Key<Boolean> LED_TRANSMIT = 3545 new Key<Boolean>("android.led.transmit", boolean.class); 3546 3547 /** 3548 * <p>Whether black-level compensation is locked 3549 * to its current values, or is free to vary.</p> 3550 * <p>Whether the black level offset was locked for this frame. Should be 3551 * ON if {@link CaptureRequest#BLACK_LEVEL_LOCK android.blackLevel.lock} was ON in the capture request, unless 3552 * a change in other capture settings forced the camera device to 3553 * perform a black level reset.</p> 3554 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 3555 * <p><b>Full capability</b> - 3556 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 3557 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 3558 * 3559 * @see CaptureRequest#BLACK_LEVEL_LOCK 3560 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 3561 */ 3562 @PublicKey 3563 public static final Key<Boolean> BLACK_LEVEL_LOCK = 3564 new Key<Boolean>("android.blackLevel.lock", boolean.class); 3565 3566 /** 3567 * <p>The frame number corresponding to the last request 3568 * with which the output result (metadata + buffers) has been fully 3569 * synchronized.</p> 3570 * <p>When a request is submitted to the camera device, there is usually a 3571 * delay of several frames before the controls get applied. A camera 3572 * device may either choose to account for this delay by implementing a 3573 * pipeline and carefully submit well-timed atomic control updates, or 3574 * it may start streaming control changes that span over several frame 3575 * boundaries.</p> 3576 * <p>In the latter case, whenever a request's settings change relative to 3577 * the previous submitted request, the full set of changes may take 3578 * multiple frame durations to fully take effect. Some settings may 3579 * take effect sooner (in less frame durations) than others.</p> 3580 * <p>While a set of control changes are being propagated, this value 3581 * will be CONVERGING.</p> 3582 * <p>Once it is fully known that a set of control changes have been 3583 * finished propagating, and the resulting updated control settings 3584 * have been read back by the camera device, this value will be set 3585 * to a non-negative frame number (corresponding to the request to 3586 * which the results have synchronized to).</p> 3587 * <p>Older camera device implementations may not have a way to detect 3588 * when all camera controls have been applied, and will always set this 3589 * value to UNKNOWN.</p> 3590 * <p>FULL capability devices will always have this value set to the 3591 * frame number of the request corresponding to this result.</p> 3592 * <p><em>Further details</em>:</p> 3593 * <ul> 3594 * <li>Whenever a request differs from the last request, any future 3595 * results not yet returned may have this value set to CONVERGING (this 3596 * could include any in-progress captures not yet returned by the camera 3597 * device, for more details see pipeline considerations below).</li> 3598 * <li>Submitting a series of multiple requests that differ from the 3599 * previous request (e.g. r1, r2, r3 s.t. r1 != r2 != r3) 3600 * moves the new synchronization frame to the last non-repeating 3601 * request (using the smallest frame number from the contiguous list of 3602 * repeating requests).</li> 3603 * <li>Submitting the same request repeatedly will not change this value 3604 * to CONVERGING, if it was already a non-negative value.</li> 3605 * <li>When this value changes to non-negative, that means that all of the 3606 * metadata controls from the request have been applied, all of the 3607 * metadata controls from the camera device have been read to the 3608 * updated values (into the result), and all of the graphics buffers 3609 * corresponding to this result are also synchronized to the request.</li> 3610 * </ul> 3611 * <p><em>Pipeline considerations</em>:</p> 3612 * <p>Submitting a request with updated controls relative to the previously 3613 * submitted requests may also invalidate the synchronization state 3614 * of all the results corresponding to currently in-flight requests.</p> 3615 * <p>In other words, results for this current request and up to 3616 * {@link CameraCharacteristics#REQUEST_PIPELINE_MAX_DEPTH android.request.pipelineMaxDepth} prior requests may have their 3617 * android.sync.frameNumber change to CONVERGING.</p> 3618 * <p><b>Possible values:</b> 3619 * <ul> 3620 * <li>{@link #SYNC_FRAME_NUMBER_CONVERGING CONVERGING}</li> 3621 * <li>{@link #SYNC_FRAME_NUMBER_UNKNOWN UNKNOWN}</li> 3622 * </ul></p> 3623 * <p><b>Available values for this device:</b><br> 3624 * Either a non-negative value corresponding to a 3625 * <code>frame_number</code>, or one of the two enums (CONVERGING / UNKNOWN).</p> 3626 * <p>This key is available on all devices.</p> 3627 * 3628 * @see CameraCharacteristics#REQUEST_PIPELINE_MAX_DEPTH 3629 * @see #SYNC_FRAME_NUMBER_CONVERGING 3630 * @see #SYNC_FRAME_NUMBER_UNKNOWN 3631 * @hide 3632 */ 3633 public static final Key<Long> SYNC_FRAME_NUMBER = 3634 new Key<Long>("android.sync.frameNumber", long.class); 3635 3636 /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 3637 * End generated code 3638 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/ 3639 3640 3641 3642 } 3643
