CameraMetadata.java revision a05e59d12b410638e97bc2d88c64442c47907fe3 
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.hardware.camera2;
18
19import android.util.Log;
20
21import java.lang.reflect.Field;
22import java.lang.reflect.Modifier;
23import java.util.ArrayList;
24import java.util.Collections;
25import java.util.List;
26
27/**
28 * The base class for camera controls and information.
29 *
30 * <p>
31 * This class defines the basic key/value map used for querying for camera
32 * characteristics or capture results, and for setting camera request
33 * parameters.
34 * </p>
35 *
36 * <p>
37 * All instances of CameraMetadata are immutable. The list of keys with {@link #getKeys()}
38 * never changes, nor do the values returned by any key with {@code #get} throughout
39 * the lifetime of the object.
40 * </p>
41 *
42 * @see CameraDevice
43 * @see CameraManager
44 * @see CameraCharacteristics
45 **/
46public abstract class CameraMetadata<TKey> {
47
48    private static final String TAG = "CameraMetadataAb";
49    private static final boolean VERBOSE = false;
50
51    /**
52     * Set a camera metadata field to a value. The field definitions can be
53     * found in {@link CameraCharacteristics}, {@link CaptureResult}, and
54     * {@link CaptureRequest}.
55     *
56     * @param key The metadata field to write.
57     * @param value The value to set the field to, which must be of a matching
58     * type to the key.
59     *
60     * @hide
61     */
62    protected CameraMetadata() {
63    }
64
65    /**
66     * Get a camera metadata field value.
67     *
68     * <p>The field definitions can be
69     * found in {@link CameraCharacteristics}, {@link CaptureResult}, and
70     * {@link CaptureRequest}.</p>
71     *
72     * <p>Querying the value for the same key more than once will return a value
73     * which is equal to the previous queried value.</p>
74     *
75     * @throws IllegalArgumentException if the key was not valid
76     *
77     * @param key The metadata field to read.
78     * @return The value of that key, or {@code null} if the field is not set.
79     *
80     * @hide
81     */
82     protected abstract <T> T getProtected(TKey key);
83
84     /**
85      * @hide
86      */
87     protected abstract Class<TKey> getKeyClass();
88
89    /**
90     * Returns a list of the keys contained in this map.
91     *
92     * <p>The list returned is not modifiable, so any attempts to modify it will throw
93     * a {@code UnsupportedOperationException}.</p>
94     *
95     * <p>All values retrieved by a key from this list with {@code #get} are guaranteed to be
96     * non-{@code null}. Each key is only listed once in the list. The order of the keys
97     * is undefined.</p>
98     *
99     * @return List of the keys contained in this map.
100     */
101    @SuppressWarnings("unchecked")
102    public List<TKey> getKeys() {
103        Class<CameraMetadata<TKey>> thisClass = (Class<CameraMetadata<TKey>>) getClass();
104        return Collections.unmodifiableList(getKeysStatic(thisClass, getKeyClass(), this));
105    }
106
107    /**
108     * Return a list of all the Key<?> that are declared as a field inside of the class
109     * {@code type}.
110     *
111     * <p>
112     * Optionally, if {@code instance} is not null, then filter out any keys with null values.
113     * </p>
114     */
115     /*package*/ @SuppressWarnings("unchecked")
116    static <TKey> ArrayList<TKey> getKeysStatic(
117             Class<?> type, Class<TKey> keyClass,
118             CameraMetadata<TKey> instance) {
119
120        if (VERBOSE) Log.v(TAG, "getKeysStatic for " + type);
121
122        ArrayList<TKey> keyList = new ArrayList<TKey>();
123
124        Field[] fields = type.getDeclaredFields();
125        for (Field field : fields) {
126            // Filter for Keys that are public
127            if (field.getType().isAssignableFrom(keyClass) &&
128                    (field.getModifiers() & Modifier.PUBLIC) != 0) {
129
130                TKey key;
131                try {
132                    key = (TKey) field.get(instance);
133                } catch (IllegalAccessException e) {
134                    throw new AssertionError("Can't get IllegalAccessException", e);
135                } catch (IllegalArgumentException e) {
136                    throw new AssertionError("Can't get IllegalArgumentException", e);
137                }
138
139                if (instance == null || instance.getProtected(key) != null) {
140                    keyList.add(key);
141                }
142            }
143        }
144
145        return keyList;
146    }
147
148    /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~
149     * The enum values below this point are generated from metadata
150     * definitions in /system/media/camera/docs. Do not modify by hand or
151     * modify the comment blocks at the start or end.
152     *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/
153
154    //
155    // Enumeration values for CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION
156    //
157
158    /**
159     * <p>The lens focus distance is not accurate, and the units used for
160     * {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance} do not correspond to any physical units.</p>
161     * <p>Setting the lens to the same focus distance on separate occasions may
162     * result in a different real focus distance, depending on factors such
163     * as the orientation of the device, the age of the focusing mechanism,
164     * and the device temperature. The focus distance value will still be
165     * in the range of <code>[0, {@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance}]</code>, where 0
166     * represents the farthest focus.</p>
167     *
168     * @see CaptureRequest#LENS_FOCUS_DISTANCE
169     * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE
170     * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION
171     */
172    public static final int LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED = 0;
173
174    /**
175     * <p>The lens focus distance is measured in diopters.</p>
176     * <p>However, setting the lens to the same focus distance
177     * on separate occasions may result in a different real
178     * focus distance, depending on factors such as the
179     * orientation of the device, the age of the focusing
180     * mechanism, and the device temperature.</p>
181     * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION
182     */
183    public static final int LENS_INFO_FOCUS_DISTANCE_CALIBRATION_APPROXIMATE = 1;
184
185    /**
186     * <p>The lens focus distance is measured in diopters, and
187     * is calibrated.</p>
188     * <p>The lens mechanism is calibrated so that setting the
189     * same focus distance is repeatable on multiple
190     * occasions with good accuracy, and the focus distance
191     * corresponds to the real physical distance to the plane
192     * of best focus.</p>
193     * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION
194     */
195    public static final int LENS_INFO_FOCUS_DISTANCE_CALIBRATION_CALIBRATED = 2;
196
197    //
198    // Enumeration values for CameraCharacteristics#LENS_FACING
199    //
200
201    /**
202     * <p>The camera device faces the same direction as the device's screen.</p>
203     * @see CameraCharacteristics#LENS_FACING
204     */
205    public static final int LENS_FACING_FRONT = 0;
206
207    /**
208     * <p>The camera device faces the opposite direction as the device's screen.</p>
209     * @see CameraCharacteristics#LENS_FACING
210     */
211    public static final int LENS_FACING_BACK = 1;
212
213    //
214    // Enumeration values for CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
215    //
216
217    /**
218     * <p>The minimal set of capabilities that every camera
219     * device (regardless of {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel})
220     * will support.</p>
221     * <p>The full set of features supported by this capability makes
222     * the camera2 api backwards compatible with the camera1
223     * (android.hardware.Camera) API.</p>
224     *
225     * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
226     * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
227     * @hide
228     */
229    public static final int REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE = 0;
230
231    /**
232     * <p>This is a catch-all capability to include all other
233     * tags or functionality not encapsulated by one of the other
234     * capabilities.</p>
235     * <p>A typical example is all tags marked 'optional'.</p>
236     * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
237     * @hide
238     */
239    public static final int REQUEST_AVAILABLE_CAPABILITIES_OPTIONAL = 1;
240
241    /**
242     * <p>The camera device can be manually controlled (3A algorithms such
243     * as auto-exposure, and auto-focus can be bypassed).
244     * The camera device supports basic manual control of the sensor image
245     * acquisition related stages. This means the following controls are
246     * guaranteed to be supported:</p>
247     * <ul>
248     * <li>Manual frame duration control<ul>
249     * <li>{@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration}</li>
250     * <li>{@link CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION android.sensor.info.maxFrameDuration}</li>
251     * </ul>
252     * </li>
253     * <li>Manual exposure control<ul>
254     * <li>{@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime}</li>
255     * <li>{@link CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE android.sensor.info.exposureTimeRange}</li>
256     * </ul>
257     * </li>
258     * <li>Manual sensitivity control<ul>
259     * <li>{@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity}</li>
260     * <li>{@link CameraCharacteristics#SENSOR_INFO_SENSITIVITY_RANGE android.sensor.info.sensitivityRange}</li>
261     * </ul>
262     * </li>
263     * <li>Manual lens control (if the lens is adjustable)<ul>
264     * <li>android.lens.*</li>
265     * </ul>
266     * </li>
267     * <li>Manual flash control (if a flash unit is present)<ul>
268     * <li>android.flash.*</li>
269     * </ul>
270     * </li>
271     * <li>Manual black level locking<ul>
272     * <li>{@link CaptureRequest#BLACK_LEVEL_LOCK android.blackLevel.lock}</li>
273     * </ul>
274     * </li>
275     * </ul>
276     * <p>If any of the above 3A algorithms are enabled, then the camera
277     * device will accurately report the values applied by 3A in the
278     * result.</p>
279     * <p>A given camera device may also support additional manual sensor controls,
280     * but this capability only covers the above list of controls.</p>
281     * <p>If this is supported, {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap} will
282     * additionally return a min frame duration that is greater than
283     * zero for each supported size-format combination.</p>
284     *
285     * @see CaptureRequest#BLACK_LEVEL_LOCK
286     * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP
287     * @see CaptureRequest#SENSOR_EXPOSURE_TIME
288     * @see CaptureRequest#SENSOR_FRAME_DURATION
289     * @see CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE
290     * @see CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION
291     * @see CameraCharacteristics#SENSOR_INFO_SENSITIVITY_RANGE
292     * @see CaptureRequest#SENSOR_SENSITIVITY
293     * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
294     */
295    public static final int REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR = 2;
296
297    /**
298     * <p>The camera device post-processing stages can be manually controlled.
299     * The camera device supports basic manual control of the image post-processing
300     * stages. This means the following controls are guaranteed to be supported:</p>
301     * <ul>
302     * <li>Manual tonemap control<ul>
303     * <li>{@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}</li>
304     * <li>{@link CaptureRequest#TONEMAP_MODE android.tonemap.mode}</li>
305     * <li>{@link CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS android.tonemap.maxCurvePoints}</li>
306     * </ul>
307     * </li>
308     * <li>Manual white balance control<ul>
309     * <li>{@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}</li>
310     * <li>{@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains}</li>
311     * </ul>
312     * </li>
313     * <li>Manual lens shading map control<ul>
314     * <li>{@link CaptureRequest#SHADING_MODE android.shading.mode}</li>
315     * <li>{@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode}</li>
316     * <li>android.statistics.lensShadingMap</li>
317     * <li>android.lens.info.shadingMapSize</li>
318     * </ul>
319     * </li>
320     * <li>Manual aberration correction control (if aberration correction is supported)<ul>
321     * <li>{@link CaptureRequest#COLOR_CORRECTION_ABERRATION_CORRECTION_MODE android.colorCorrection.aberrationCorrectionMode}</li>
322     * <li>{@link CameraCharacteristics#COLOR_CORRECTION_AVAILABLE_ABERRATION_CORRECTION_MODES android.colorCorrection.availableAberrationCorrectionModes}</li>
323     * </ul>
324     * </li>
325     * </ul>
326     * <p>If auto white balance is enabled, then the camera device
327     * will accurately report the values applied by AWB in the result.</p>
328     * <p>A given camera device may also support additional post-processing
329     * controls, but this capability only covers the above list of controls.</p>
330     *
331     * @see CaptureRequest#COLOR_CORRECTION_ABERRATION_CORRECTION_MODE
332     * @see CameraCharacteristics#COLOR_CORRECTION_AVAILABLE_ABERRATION_CORRECTION_MODES
333     * @see CaptureRequest#COLOR_CORRECTION_GAINS
334     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
335     * @see CaptureRequest#SHADING_MODE
336     * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE
337     * @see CaptureRequest#TONEMAP_CURVE
338     * @see CameraCharacteristics#TONEMAP_MAX_CURVE_POINTS
339     * @see CaptureRequest#TONEMAP_MODE
340     * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
341     */
342    public static final int REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING = 3;
343
344    /**
345     * <p>The camera device supports the Zero Shutter Lag use case.</p>
346     * <ul>
347     * <li>At least one input stream can be used.</li>
348     * <li>RAW_OPAQUE is supported as an output/input format</li>
349     * <li>Using RAW_OPAQUE does not cause a frame rate drop
350     * relative to the sensor's maximum capture rate (at that
351     * resolution).</li>
352     * <li>RAW_OPAQUE will be reprocessable into both YUV_420_888
353     * and JPEG formats.</li>
354     * <li>The maximum available resolution for RAW_OPAQUE streams
355     * (both input/output) will match the maximum available
356     * resolution of JPEG streams.</li>
357     * </ul>
358     * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
359     * @hide
360     */
361    public static final int REQUEST_AVAILABLE_CAPABILITIES_ZSL = 4;
362
363    /**
364     * <p>The camera device supports outputting RAW buffers that can be
365     * saved offline into a DNG format. It can reprocess DNG
366     * files (produced from the same camera device) back into YUV.</p>
367     * <ul>
368     * <li>At least one input stream can be used.</li>
369     * <li>RAW16 is supported as output/input format.</li>
370     * <li>RAW16 is reprocessable into both YUV_420_888 and JPEG
371     * formats.</li>
372     * <li>The maximum available resolution for RAW16 streams (both
373     * input/output) will match either the value in
374     * {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize} or
375     * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.</li>
376     * <li>All DNG-related optional metadata entries are provided
377     * by the camera device.</li>
378     * </ul>
379     *
380     * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE
381     * @see CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE
382     * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
383     */
384    public static final int REQUEST_AVAILABLE_CAPABILITIES_DNG = 5;
385
386    //
387    // Enumeration values for CameraCharacteristics#SCALER_CROPPING_TYPE
388    //
389
390    /**
391     * <p>The camera device only supports centered crop regions.</p>
392     * @see CameraCharacteristics#SCALER_CROPPING_TYPE
393     */
394    public static final int SCALER_CROPPING_TYPE_CENTER_ONLY = 0;
395
396    /**
397     * <p>The camera device supports arbitrarily chosen crop regions.</p>
398     * @see CameraCharacteristics#SCALER_CROPPING_TYPE
399     */
400    public static final int SCALER_CROPPING_TYPE_FREEFORM = 1;
401
402    //
403    // Enumeration values for CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
404    //
405
406    /**
407     * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
408     */
409    public static final int SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB = 0;
410
411    /**
412     * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
413     */
414    public static final int SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG = 1;
415
416    /**
417     * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
418     */
419    public static final int SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG = 2;
420
421    /**
422     * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
423     */
424    public static final int SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR = 3;
425
426    /**
427     * <p>Sensor is not Bayer; output has 3 16-bit
428     * values for each pixel, instead of just 1 16-bit value
429     * per pixel.</p>
430     * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
431     */
432    public static final int SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGB = 4;
433
434    //
435    // Enumeration values for CameraCharacteristics#SENSOR_INFO_TIMESTAMP_CALIBRATION
436    //
437
438    /**
439     * <p>Timestamps from {@link CaptureResult#SENSOR_TIMESTAMP android.sensor.timestamp} are in nanoseconds and monotonic,
440     * but can not be compared to timestamps from other subsystems
441     * (e.g. accelerometer, gyro etc.), or other instances of the same or different
442     * camera devices in the same system. Timestamps between streams and results for
443     * a single camera instance are comparable, and the timestamps for all buffers
444     * and the result metadata generated by a single capture are identical.</p>
445     *
446     * @see CaptureResult#SENSOR_TIMESTAMP
447     * @see CameraCharacteristics#SENSOR_INFO_TIMESTAMP_CALIBRATION
448     */
449    public static final int SENSOR_INFO_TIMESTAMP_CALIBRATION_UNCALIBRATED = 0;
450
451    /**
452     * <p>Timestamps from {@link CaptureResult#SENSOR_TIMESTAMP android.sensor.timestamp} are in the same timebase as
453     * android.os.SystemClock#elapsedRealtimeNanos(),
454     * and they can be compared to other timestamps using that base.</p>
455     *
456     * @see CaptureResult#SENSOR_TIMESTAMP
457     * @see CameraCharacteristics#SENSOR_INFO_TIMESTAMP_CALIBRATION
458     */
459    public static final int SENSOR_INFO_TIMESTAMP_CALIBRATION_CALIBRATED = 1;
460
461    //
462    // Enumeration values for CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
463    //
464
465    /**
466     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
467     */
468    public static final int SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT = 1;
469
470    /**
471     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
472     */
473    public static final int SENSOR_REFERENCE_ILLUMINANT1_FLUORESCENT = 2;
474
475    /**
476     * <p>Incandescent light</p>
477     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
478     */
479    public static final int SENSOR_REFERENCE_ILLUMINANT1_TUNGSTEN = 3;
480
481    /**
482     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
483     */
484    public static final int SENSOR_REFERENCE_ILLUMINANT1_FLASH = 4;
485
486    /**
487     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
488     */
489    public static final int SENSOR_REFERENCE_ILLUMINANT1_FINE_WEATHER = 9;
490
491    /**
492     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
493     */
494    public static final int SENSOR_REFERENCE_ILLUMINANT1_CLOUDY_WEATHER = 10;
495
496    /**
497     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
498     */
499    public static final int SENSOR_REFERENCE_ILLUMINANT1_SHADE = 11;
500
501    /**
502     * <p>D 5700 - 7100K</p>
503     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
504     */
505    public static final int SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT_FLUORESCENT = 12;
506
507    /**
508     * <p>N 4600 - 5400K</p>
509     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
510     */
511    public static final int SENSOR_REFERENCE_ILLUMINANT1_DAY_WHITE_FLUORESCENT = 13;
512
513    /**
514     * <p>W 3900 - 4500K</p>
515     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
516     */
517    public static final int SENSOR_REFERENCE_ILLUMINANT1_COOL_WHITE_FLUORESCENT = 14;
518
519    /**
520     * <p>WW 3200 - 3700K</p>
521     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
522     */
523    public static final int SENSOR_REFERENCE_ILLUMINANT1_WHITE_FLUORESCENT = 15;
524
525    /**
526     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
527     */
528    public static final int SENSOR_REFERENCE_ILLUMINANT1_STANDARD_A = 17;
529
530    /**
531     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
532     */
533    public static final int SENSOR_REFERENCE_ILLUMINANT1_STANDARD_B = 18;
534
535    /**
536     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
537     */
538    public static final int SENSOR_REFERENCE_ILLUMINANT1_STANDARD_C = 19;
539
540    /**
541     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
542     */
543    public static final int SENSOR_REFERENCE_ILLUMINANT1_D55 = 20;
544
545    /**
546     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
547     */
548    public static final int SENSOR_REFERENCE_ILLUMINANT1_D65 = 21;
549
550    /**
551     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
552     */
553    public static final int SENSOR_REFERENCE_ILLUMINANT1_D75 = 22;
554
555    /**
556     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
557     */
558    public static final int SENSOR_REFERENCE_ILLUMINANT1_D50 = 23;
559
560    /**
561     * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1
562     */
563    public static final int SENSOR_REFERENCE_ILLUMINANT1_ISO_STUDIO_TUNGSTEN = 24;
564
565    //
566    // Enumeration values for CameraCharacteristics#LED_AVAILABLE_LEDS
567    //
568
569    /**
570     * <p>android.led.transmit control is used.</p>
571     * @see CameraCharacteristics#LED_AVAILABLE_LEDS
572     * @hide
573     */
574    public static final int LED_AVAILABLE_LEDS_TRANSMIT = 0;
575
576    //
577    // Enumeration values for CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
578    //
579
580    /**
581     * <p>This camera device has only limited capabilities.</p>
582     * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
583     */
584    public static final int INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED = 0;
585
586    /**
587     * <p>This camera device is capable of supporting advanced imaging applications.</p>
588     * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
589     */
590    public static final int INFO_SUPPORTED_HARDWARE_LEVEL_FULL = 1;
591
592    /**
593     * <p>This camera device is running in backward compatibility mode.</p>
594     * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
595     */
596    public static final int INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY = 2;
597
598    //
599    // Enumeration values for CameraCharacteristics#SYNC_MAX_LATENCY
600    //
601
602    /**
603     * <p>Every frame has the requests immediately applied.</p>
604     * <p>Furthermore for all results,
605     * <code>android.sync.frameNumber == android.request.frameCount</code></p>
606     * <p>Changing controls over multiple requests one after another will
607     * produce results that have those controls applied atomically
608     * each frame.</p>
609     * <p>All FULL capability devices will have this as their maxLatency.</p>
610     * @see CameraCharacteristics#SYNC_MAX_LATENCY
611     */
612    public static final int SYNC_MAX_LATENCY_PER_FRAME_CONTROL = 0;
613
614    /**
615     * <p>Each new frame has some subset (potentially the entire set)
616     * of the past requests applied to the camera settings.</p>
617     * <p>By submitting a series of identical requests, the camera device
618     * will eventually have the camera settings applied, but it is
619     * unknown when that exact point will be.</p>
620     * @see CameraCharacteristics#SYNC_MAX_LATENCY
621     */
622    public static final int SYNC_MAX_LATENCY_UNKNOWN = -1;
623
624    //
625    // Enumeration values for CaptureRequest#COLOR_CORRECTION_MODE
626    //
627
628    /**
629     * <p>Use the {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform} matrix
630     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} to do color conversion.</p>
631     * <p>All advanced white balance adjustments (not specified
632     * by our white balance pipeline) must be disabled.</p>
633     * <p>If AWB is enabled with <code>{@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} != OFF</code>, then
634     * TRANSFORM_MATRIX is ignored. The camera device will override
635     * this value to either FAST or HIGH_QUALITY.</p>
636     *
637     * @see CaptureRequest#COLOR_CORRECTION_GAINS
638     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
639     * @see CaptureRequest#CONTROL_AWB_MODE
640     * @see CaptureRequest#COLOR_CORRECTION_MODE
641     */
642    public static final int COLOR_CORRECTION_MODE_TRANSFORM_MATRIX = 0;
643
644    /**
645     * <p>Color correction processing must not slow down
646     * capture rate relative to sensor raw output.</p>
647     * <p>Advanced white balance adjustments above and beyond
648     * the specified white balance pipeline may be applied.</p>
649     * <p>If AWB is enabled with <code>{@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} != OFF</code>, then
650     * the camera device uses the last frame's AWB values
651     * (or defaults if AWB has never been run).</p>
652     *
653     * @see CaptureRequest#CONTROL_AWB_MODE
654     * @see CaptureRequest#COLOR_CORRECTION_MODE
655     */
656    public static final int COLOR_CORRECTION_MODE_FAST = 1;
657
658    /**
659     * <p>Color correction processing operates at improved
660     * quality but reduced capture rate (relative to sensor raw
661     * output).</p>
662     * <p>Advanced white balance adjustments above and beyond
663     * the specified white balance pipeline may be applied.</p>
664     * <p>If AWB is enabled with <code>{@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} != OFF</code>, then
665     * the camera device uses the last frame's AWB values
666     * (or defaults if AWB has never been run).</p>
667     *
668     * @see CaptureRequest#CONTROL_AWB_MODE
669     * @see CaptureRequest#COLOR_CORRECTION_MODE
670     */
671    public static final int COLOR_CORRECTION_MODE_HIGH_QUALITY = 2;
672
673    //
674    // Enumeration values for CaptureRequest#COLOR_CORRECTION_ABERRATION_CORRECTION_MODE
675    //
676
677    /**
678     * <p>No aberration correction is applied.</p>
679     * @see CaptureRequest#COLOR_CORRECTION_ABERRATION_CORRECTION_MODE
680     */
681    public static final int COLOR_CORRECTION_ABERRATION_CORRECTION_MODE_OFF = 0;
682
683    /**
684     * <p>Aberration correction will not slow down capture rate
685     * relative to sensor raw output.</p>
686     * @see CaptureRequest#COLOR_CORRECTION_ABERRATION_CORRECTION_MODE
687     */
688    public static final int COLOR_CORRECTION_ABERRATION_CORRECTION_MODE_FAST = 1;
689
690    /**
691     * <p>Aberration correction operates at improved quality but reduced
692     * capture rate (relative to sensor raw output).</p>
693     * @see CaptureRequest#COLOR_CORRECTION_ABERRATION_CORRECTION_MODE
694     */
695    public static final int COLOR_CORRECTION_ABERRATION_CORRECTION_MODE_HIGH_QUALITY = 2;
696
697    //
698    // Enumeration values for CaptureRequest#CONTROL_AE_ANTIBANDING_MODE
699    //
700
701    /**
702     * <p>The camera device will not adjust exposure duration to
703     * avoid banding problems.</p>
704     * @see CaptureRequest#CONTROL_AE_ANTIBANDING_MODE
705     */
706    public static final int CONTROL_AE_ANTIBANDING_MODE_OFF = 0;
707
708    /**
709     * <p>The camera device will adjust exposure duration to
710     * avoid banding problems with 50Hz illumination sources.</p>
711     * @see CaptureRequest#CONTROL_AE_ANTIBANDING_MODE
712     */
713    public static final int CONTROL_AE_ANTIBANDING_MODE_50HZ = 1;
714
715    /**
716     * <p>The camera device will adjust exposure duration to
717     * avoid banding problems with 60Hz illumination
718     * sources.</p>
719     * @see CaptureRequest#CONTROL_AE_ANTIBANDING_MODE
720     */
721    public static final int CONTROL_AE_ANTIBANDING_MODE_60HZ = 2;
722
723    /**
724     * <p>The camera device will automatically adapt its
725     * antibanding routine to the current illumination
726     * conditions. This is the default.</p>
727     * @see CaptureRequest#CONTROL_AE_ANTIBANDING_MODE
728     */
729    public static final int CONTROL_AE_ANTIBANDING_MODE_AUTO = 3;
730
731    //
732    // Enumeration values for CaptureRequest#CONTROL_AE_MODE
733    //
734
735    /**
736     * <p>The camera device's autoexposure routine is disabled.</p>
737     * <p>The application-selected {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime},
738     * {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} and
739     * {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} are used by the camera
740     * device, along with android.flash.* fields, if there's
741     * a flash unit for this camera device.</p>
742     *
743     * @see CaptureRequest#SENSOR_EXPOSURE_TIME
744     * @see CaptureRequest#SENSOR_FRAME_DURATION
745     * @see CaptureRequest#SENSOR_SENSITIVITY
746     * @see CaptureRequest#CONTROL_AE_MODE
747     */
748    public static final int CONTROL_AE_MODE_OFF = 0;
749
750    /**
751     * <p>The camera device's autoexposure routine is active,
752     * with no flash control.</p>
753     * <p>The application's values for
754     * {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime},
755     * {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity}, and
756     * {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} are ignored. The
757     * application has control over the various
758     * android.flash.* fields.</p>
759     *
760     * @see CaptureRequest#SENSOR_EXPOSURE_TIME
761     * @see CaptureRequest#SENSOR_FRAME_DURATION
762     * @see CaptureRequest#SENSOR_SENSITIVITY
763     * @see CaptureRequest#CONTROL_AE_MODE
764     */
765    public static final int CONTROL_AE_MODE_ON = 1;
766
767    /**
768     * <p>Like ON, except that the camera device also controls
769     * the camera's flash unit, firing it in low-light
770     * conditions.</p>
771     * <p>The flash may be fired during a precapture sequence
772     * (triggered by {@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger}) and
773     * may be fired for captures for which the
774     * {@link CaptureRequest#CONTROL_CAPTURE_INTENT android.control.captureIntent} field is set to
775     * STILL_CAPTURE</p>
776     *
777     * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
778     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
779     * @see CaptureRequest#CONTROL_AE_MODE
780     */
781    public static final int CONTROL_AE_MODE_ON_AUTO_FLASH = 2;
782
783    /**
784     * <p>Like ON, except that the camera device also controls
785     * the camera's flash unit, always firing it for still
786     * captures.</p>
787     * <p>The flash may be fired during a precapture sequence
788     * (triggered by {@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger}) and
789     * will always be fired for captures for which the
790     * {@link CaptureRequest#CONTROL_CAPTURE_INTENT android.control.captureIntent} field is set to
791     * STILL_CAPTURE</p>
792     *
793     * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
794     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
795     * @see CaptureRequest#CONTROL_AE_MODE
796     */
797    public static final int CONTROL_AE_MODE_ON_ALWAYS_FLASH = 3;
798
799    /**
800     * <p>Like ON_AUTO_FLASH, but with automatic red eye
801     * reduction.</p>
802     * <p>If deemed necessary by the camera device, a red eye
803     * reduction flash will fire during the precapture
804     * sequence.</p>
805     * @see CaptureRequest#CONTROL_AE_MODE
806     */
807    public static final int CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE = 4;
808
809    //
810    // Enumeration values for CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
811    //
812
813    /**
814     * <p>The trigger is idle.</p>
815     * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
816     */
817    public static final int CONTROL_AE_PRECAPTURE_TRIGGER_IDLE = 0;
818
819    /**
820     * <p>The precapture metering sequence will be started
821     * by the camera device.</p>
822     * <p>The exact effect of the precapture trigger depends on
823     * the current AE mode and state.</p>
824     * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
825     */
826    public static final int CONTROL_AE_PRECAPTURE_TRIGGER_START = 1;
827
828    //
829    // Enumeration values for CaptureRequest#CONTROL_AF_MODE
830    //
831
832    /**
833     * <p>The auto-focus routine does not control the lens;
834     * {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance} is controlled by the
835     * application.</p>
836     *
837     * @see CaptureRequest#LENS_FOCUS_DISTANCE
838     * @see CaptureRequest#CONTROL_AF_MODE
839     */
840    public static final int CONTROL_AF_MODE_OFF = 0;
841
842    /**
843     * <p>Basic automatic focus mode.</p>
844     * <p>In this mode, the lens does not move unless
845     * the autofocus trigger action is called. When that trigger
846     * is activated, AF will transition to ACTIVE_SCAN, then to
847     * the outcome of the scan (FOCUSED or NOT_FOCUSED).</p>
848     * <p>Always supported if lens is not fixed focus.</p>
849     * <p>Use {@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} to determine if lens
850     * is fixed-focus.</p>
851     * <p>Triggering AF_CANCEL resets the lens position to default,
852     * and sets the AF state to INACTIVE.</p>
853     *
854     * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE
855     * @see CaptureRequest#CONTROL_AF_MODE
856     */
857    public static final int CONTROL_AF_MODE_AUTO = 1;
858
859    /**
860     * <p>Close-up focusing mode.</p>
861     * <p>In this mode, the lens does not move unless the
862     * autofocus trigger action is called. When that trigger is
863     * activated, AF will transition to ACTIVE_SCAN, then to
864     * the outcome of the scan (FOCUSED or NOT_FOCUSED). This
865     * mode is optimized for focusing on objects very close to
866     * the camera.</p>
867     * <p>When that trigger is activated, AF will transition to
868     * ACTIVE_SCAN, then to the outcome of the scan (FOCUSED or
869     * NOT_FOCUSED). Triggering cancel AF resets the lens
870     * position to default, and sets the AF state to
871     * INACTIVE.</p>
872     * @see CaptureRequest#CONTROL_AF_MODE
873     */
874    public static final int CONTROL_AF_MODE_MACRO = 2;
875
876    /**
877     * <p>In this mode, the AF algorithm modifies the lens
878     * position continually to attempt to provide a
879     * constantly-in-focus image stream.</p>
880     * <p>The focusing behavior should be suitable for good quality
881     * video recording; typically this means slower focus
882     * movement and no overshoots. When the AF trigger is not
883     * involved, the AF algorithm should start in INACTIVE state,
884     * and then transition into PASSIVE_SCAN and PASSIVE_FOCUSED
885     * states as appropriate. When the AF trigger is activated,
886     * the algorithm should immediately transition into
887     * AF_FOCUSED or AF_NOT_FOCUSED as appropriate, and lock the
888     * lens position until a cancel AF trigger is received.</p>
889     * <p>Once cancel is received, the algorithm should transition
890     * back to INACTIVE and resume passive scan. Note that this
891     * behavior is not identical to CONTINUOUS_PICTURE, since an
892     * ongoing PASSIVE_SCAN must immediately be
893     * canceled.</p>
894     * @see CaptureRequest#CONTROL_AF_MODE
895     */
896    public static final int CONTROL_AF_MODE_CONTINUOUS_VIDEO = 3;
897
898    /**
899     * <p>In this mode, the AF algorithm modifies the lens
900     * position continually to attempt to provide a
901     * constantly-in-focus image stream.</p>
902     * <p>The focusing behavior should be suitable for still image
903     * capture; typically this means focusing as fast as
904     * possible. When the AF trigger is not involved, the AF
905     * algorithm should start in INACTIVE state, and then
906     * transition into PASSIVE_SCAN and PASSIVE_FOCUSED states as
907     * appropriate as it attempts to maintain focus. When the AF
908     * trigger is activated, the algorithm should finish its
909     * PASSIVE_SCAN if active, and then transition into
910     * AF_FOCUSED or AF_NOT_FOCUSED as appropriate, and lock the
911     * lens position until a cancel AF trigger is received.</p>
912     * <p>When the AF cancel trigger is activated, the algorithm
913     * should transition back to INACTIVE and then act as if it
914     * has just been started.</p>
915     * @see CaptureRequest#CONTROL_AF_MODE
916     */
917    public static final int CONTROL_AF_MODE_CONTINUOUS_PICTURE = 4;
918
919    /**
920     * <p>Extended depth of field (digital focus) mode.</p>
921     * <p>The camera device will produce images with an extended
922     * depth of field automatically; no special focusing
923     * operations need to be done before taking a picture.</p>
924     * <p>AF triggers are ignored, and the AF state will always be
925     * INACTIVE.</p>
926     * @see CaptureRequest#CONTROL_AF_MODE
927     */
928    public static final int CONTROL_AF_MODE_EDOF = 5;
929
930    //
931    // Enumeration values for CaptureRequest#CONTROL_AF_TRIGGER
932    //
933
934    /**
935     * <p>The trigger is idle.</p>
936     * @see CaptureRequest#CONTROL_AF_TRIGGER
937     */
938    public static final int CONTROL_AF_TRIGGER_IDLE = 0;
939
940    /**
941     * <p>Autofocus will trigger now.</p>
942     * @see CaptureRequest#CONTROL_AF_TRIGGER
943     */
944    public static final int CONTROL_AF_TRIGGER_START = 1;
945
946    /**
947     * <p>Autofocus will return to its initial
948     * state, and cancel any currently active trigger.</p>
949     * @see CaptureRequest#CONTROL_AF_TRIGGER
950     */
951    public static final int CONTROL_AF_TRIGGER_CANCEL = 2;
952
953    //
954    // Enumeration values for CaptureRequest#CONTROL_AWB_MODE
955    //
956
957    /**
958     * <p>The camera device's auto-white balance routine is disabled.</p>
959     * <p>The application-selected color transform matrix
960     * ({@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}) and gains
961     * ({@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains}) are used by the camera
962     * device for manual white balance control.</p>
963     *
964     * @see CaptureRequest#COLOR_CORRECTION_GAINS
965     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
966     * @see CaptureRequest#CONTROL_AWB_MODE
967     */
968    public static final int CONTROL_AWB_MODE_OFF = 0;
969
970    /**
971     * <p>The camera device's auto-white balance routine is active.</p>
972     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
973     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
974     * For devices that support the MANUAL_POST_PROCESSING capability, the
975     * values used by the camera device for the transform and gains
976     * will be available in the capture result for this request.</p>
977     *
978     * @see CaptureRequest#COLOR_CORRECTION_GAINS
979     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
980     * @see CaptureRequest#CONTROL_AWB_MODE
981     */
982    public static final int CONTROL_AWB_MODE_AUTO = 1;
983
984    /**
985     * <p>The camera device's auto-white balance routine is disabled;
986     * the camera device uses incandescent light as the assumed scene
987     * illumination for white balance.</p>
988     * <p>While the exact white balance transforms are up to the
989     * camera device, they will approximately match the CIE
990     * standard illuminant A.</p>
991     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
992     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
993     * For devices that support the MANUAL_POST_PROCESSING capability, the
994     * values used by the camera device for the transform and gains
995     * will be available in the capture result for this request.</p>
996     *
997     * @see CaptureRequest#COLOR_CORRECTION_GAINS
998     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
999     * @see CaptureRequest#CONTROL_AWB_MODE
1000     */
1001    public static final int CONTROL_AWB_MODE_INCANDESCENT = 2;
1002
1003    /**
1004     * <p>The camera device's auto-white balance routine is disabled;
1005     * the camera device uses fluorescent light as the assumed scene
1006     * illumination for white balance.</p>
1007     * <p>While the exact white balance transforms are up to the
1008     * camera device, they will approximately match the CIE
1009     * standard illuminant F2.</p>
1010     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
1011     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
1012     * For devices that support the MANUAL_POST_PROCESSING capability, the
1013     * values used by the camera device for the transform and gains
1014     * will be available in the capture result for this request.</p>
1015     *
1016     * @see CaptureRequest#COLOR_CORRECTION_GAINS
1017     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
1018     * @see CaptureRequest#CONTROL_AWB_MODE
1019     */
1020    public static final int CONTROL_AWB_MODE_FLUORESCENT = 3;
1021
1022    /**
1023     * <p>The camera device's auto-white balance routine is disabled;
1024     * the camera device uses warm fluorescent light as the assumed scene
1025     * illumination for white balance.</p>
1026     * <p>While the exact white balance transforms are up to the
1027     * camera device, they will approximately match the CIE
1028     * standard illuminant F4.</p>
1029     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
1030     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
1031     * For devices that support the MANUAL_POST_PROCESSING capability, the
1032     * values used by the camera device for the transform and gains
1033     * will be available in the capture result for this request.</p>
1034     *
1035     * @see CaptureRequest#COLOR_CORRECTION_GAINS
1036     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
1037     * @see CaptureRequest#CONTROL_AWB_MODE
1038     */
1039    public static final int CONTROL_AWB_MODE_WARM_FLUORESCENT = 4;
1040
1041    /**
1042     * <p>The camera device's auto-white balance routine is disabled;
1043     * the camera device uses daylight light as the assumed scene
1044     * illumination for white balance.</p>
1045     * <p>While the exact white balance transforms are up to the
1046     * camera device, they will approximately match the CIE
1047     * standard illuminant D65.</p>
1048     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
1049     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
1050     * For devices that support the MANUAL_POST_PROCESSING capability, the
1051     * values used by the camera device for the transform and gains
1052     * will be available in the capture result for this request.</p>
1053     *
1054     * @see CaptureRequest#COLOR_CORRECTION_GAINS
1055     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
1056     * @see CaptureRequest#CONTROL_AWB_MODE
1057     */
1058    public static final int CONTROL_AWB_MODE_DAYLIGHT = 5;
1059
1060    /**
1061     * <p>The camera device's auto-white balance routine is disabled;
1062     * the camera device uses cloudy daylight light as the assumed scene
1063     * illumination for white balance.</p>
1064     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
1065     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
1066     * For devices that support the MANUAL_POST_PROCESSING capability, the
1067     * values used by the camera device for the transform and gains
1068     * will be available in the capture result for this request.</p>
1069     *
1070     * @see CaptureRequest#COLOR_CORRECTION_GAINS
1071     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
1072     * @see CaptureRequest#CONTROL_AWB_MODE
1073     */
1074    public static final int CONTROL_AWB_MODE_CLOUDY_DAYLIGHT = 6;
1075
1076    /**
1077     * <p>The camera device's auto-white balance routine is disabled;
1078     * the camera device uses twilight light as the assumed scene
1079     * illumination for white balance.</p>
1080     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
1081     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
1082     * For devices that support the MANUAL_POST_PROCESSING capability, the
1083     * values used by the camera device for the transform and gains
1084     * will be available in the capture result for this request.</p>
1085     *
1086     * @see CaptureRequest#COLOR_CORRECTION_GAINS
1087     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
1088     * @see CaptureRequest#CONTROL_AWB_MODE
1089     */
1090    public static final int CONTROL_AWB_MODE_TWILIGHT = 7;
1091
1092    /**
1093     * <p>The camera device's auto-white balance routine is disabled;
1094     * the camera device uses shade light as the assumed scene
1095     * illumination for white balance.</p>
1096     * <p>The application's values for {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform}
1097     * and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains} are ignored.
1098     * For devices that support the MANUAL_POST_PROCESSING capability, the
1099     * values used by the camera device for the transform and gains
1100     * will be available in the capture result for this request.</p>
1101     *
1102     * @see CaptureRequest#COLOR_CORRECTION_GAINS
1103     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
1104     * @see CaptureRequest#CONTROL_AWB_MODE
1105     */
1106    public static final int CONTROL_AWB_MODE_SHADE = 8;
1107
1108    //
1109    // Enumeration values for CaptureRequest#CONTROL_CAPTURE_INTENT
1110    //
1111
1112    /**
1113     * <p>The goal of this request doesn't fall into the other
1114     * categories. The camera device will default to preview-like
1115     * behavior.</p>
1116     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1117     */
1118    public static final int CONTROL_CAPTURE_INTENT_CUSTOM = 0;
1119
1120    /**
1121     * <p>This request is for a preview-like use case.</p>
1122     * <p>The precapture trigger may be used to start off a metering
1123     * w/flash sequence.</p>
1124     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1125     */
1126    public static final int CONTROL_CAPTURE_INTENT_PREVIEW = 1;
1127
1128    /**
1129     * <p>This request is for a still capture-type
1130     * use case.</p>
1131     * <p>If the flash unit is under automatic control, it may fire as needed.</p>
1132     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1133     */
1134    public static final int CONTROL_CAPTURE_INTENT_STILL_CAPTURE = 2;
1135
1136    /**
1137     * <p>This request is for a video recording
1138     * use case.</p>
1139     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1140     */
1141    public static final int CONTROL_CAPTURE_INTENT_VIDEO_RECORD = 3;
1142
1143    /**
1144     * <p>This request is for a video snapshot (still
1145     * image while recording video) use case.</p>
1146     * <p>The camera device should take the highest-quality image
1147     * possible (given the other settings) without disrupting the
1148     * frame rate of video recording.<br />
1149     * </p>
1150     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1151     */
1152    public static final int CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT = 4;
1153
1154    /**
1155     * <p>This request is for a ZSL usecase; the
1156     * application will stream full-resolution images and
1157     * reprocess one or several later for a final
1158     * capture.</p>
1159     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1160     */
1161    public static final int CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG = 5;
1162
1163    /**
1164     * <p>This request is for manual capture use case where
1165     * the applications want to directly control the capture parameters.</p>
1166     * <p>For example, the application may wish to manually control
1167     * {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime}, {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity}, etc.</p>
1168     *
1169     * @see CaptureRequest#SENSOR_EXPOSURE_TIME
1170     * @see CaptureRequest#SENSOR_SENSITIVITY
1171     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1172     */
1173    public static final int CONTROL_CAPTURE_INTENT_MANUAL = 6;
1174
1175    //
1176    // Enumeration values for CaptureRequest#CONTROL_EFFECT_MODE
1177    //
1178
1179    /**
1180     * <p>No color effect will be applied.</p>
1181     * @see CaptureRequest#CONTROL_EFFECT_MODE
1182     */
1183    public static final int CONTROL_EFFECT_MODE_OFF = 0;
1184
1185    /**
1186     * <p>A "monocolor" effect where the image is mapped into
1187     * a single color.</p>
1188     * <p>This will typically be grayscale.</p>
1189     * @see CaptureRequest#CONTROL_EFFECT_MODE
1190     */
1191    public static final int CONTROL_EFFECT_MODE_MONO = 1;
1192
1193    /**
1194     * <p>A "photo-negative" effect where the image's colors
1195     * are inverted.</p>
1196     * @see CaptureRequest#CONTROL_EFFECT_MODE
1197     */
1198    public static final int CONTROL_EFFECT_MODE_NEGATIVE = 2;
1199
1200    /**
1201     * <p>A "solarisation" effect (Sabattier effect) where the
1202     * image is wholly or partially reversed in
1203     * tone.</p>
1204     * @see CaptureRequest#CONTROL_EFFECT_MODE
1205     */
1206    public static final int CONTROL_EFFECT_MODE_SOLARIZE = 3;
1207
1208    /**
1209     * <p>A "sepia" effect where the image is mapped into warm
1210     * gray, red, and brown tones.</p>
1211     * @see CaptureRequest#CONTROL_EFFECT_MODE
1212     */
1213    public static final int CONTROL_EFFECT_MODE_SEPIA = 4;
1214
1215    /**
1216     * <p>A "posterization" effect where the image uses
1217     * discrete regions of tone rather than a continuous
1218     * gradient of tones.</p>
1219     * @see CaptureRequest#CONTROL_EFFECT_MODE
1220     */
1221    public static final int CONTROL_EFFECT_MODE_POSTERIZE = 5;
1222
1223    /**
1224     * <p>A "whiteboard" effect where the image is typically displayed
1225     * as regions of white, with black or grey details.</p>
1226     * @see CaptureRequest#CONTROL_EFFECT_MODE
1227     */
1228    public static final int CONTROL_EFFECT_MODE_WHITEBOARD = 6;
1229
1230    /**
1231     * <p>A "blackboard" effect where the image is typically displayed
1232     * as regions of black, with white or grey details.</p>
1233     * @see CaptureRequest#CONTROL_EFFECT_MODE
1234     */
1235    public static final int CONTROL_EFFECT_MODE_BLACKBOARD = 7;
1236
1237    /**
1238     * <p>An "aqua" effect where a blue hue is added to the image.</p>
1239     * @see CaptureRequest#CONTROL_EFFECT_MODE
1240     */
1241    public static final int CONTROL_EFFECT_MODE_AQUA = 8;
1242
1243    //
1244    // Enumeration values for CaptureRequest#CONTROL_MODE
1245    //
1246
1247    /**
1248     * <p>Full application control of pipeline.</p>
1249     * <p>All control by the device's metering and focusing (3A)
1250     * routines is disabled, and no other settings in
1251     * android.control.* have any effect, except that
1252     * {@link CaptureRequest#CONTROL_CAPTURE_INTENT android.control.captureIntent} may be used by the camera
1253     * device to select post-processing values for processing
1254     * blocks that do not allow for manual control, or are not
1255     * exposed by the camera API.</p>
1256     * <p>However, the camera device's 3A routines may continue to
1257     * collect statistics and update their internal state so that
1258     * when control is switched to AUTO mode, good control values
1259     * can be immediately applied.</p>
1260     *
1261     * @see CaptureRequest#CONTROL_CAPTURE_INTENT
1262     * @see CaptureRequest#CONTROL_MODE
1263     */
1264    public static final int CONTROL_MODE_OFF = 0;
1265
1266    /**
1267     * <p>Use settings for each individual 3A routine.</p>
1268     * <p>Manual control of capture parameters is disabled. All
1269     * controls in android.control.* besides sceneMode take
1270     * effect.</p>
1271     * @see CaptureRequest#CONTROL_MODE
1272     */
1273    public static final int CONTROL_MODE_AUTO = 1;
1274
1275    /**
1276     * <p>Use a specific scene mode.</p>
1277     * <p>Enabling this disables control.aeMode, control.awbMode and
1278     * control.afMode controls; the camera device will ignore
1279     * those settings while USE_SCENE_MODE is active (except for
1280     * FACE_PRIORITY scene mode). Other control entries are still
1281     * active.  This setting can only be used if scene mode is
1282     * supported (i.e. {@link CameraCharacteristics#CONTROL_AVAILABLE_SCENE_MODES android.control.availableSceneModes}
1283     * contain some modes other than DISABLED).</p>
1284     *
1285     * @see CameraCharacteristics#CONTROL_AVAILABLE_SCENE_MODES
1286     * @see CaptureRequest#CONTROL_MODE
1287     */
1288    public static final int CONTROL_MODE_USE_SCENE_MODE = 2;
1289
1290    /**
1291     * <p>Same as OFF mode, except that this capture will not be
1292     * used by camera device background auto-exposure, auto-white balance and
1293     * auto-focus algorithms (3A) to update their statistics.</p>
1294     * <p>Specifically, the 3A routines are locked to the last
1295     * values set from a request with AUTO, OFF, or
1296     * USE_SCENE_MODE, and any statistics or state updates
1297     * collected from manual captures with OFF_KEEP_STATE will be
1298     * discarded by the camera device.</p>
1299     * @see CaptureRequest#CONTROL_MODE
1300     */
1301    public static final int CONTROL_MODE_OFF_KEEP_STATE = 3;
1302
1303    //
1304    // Enumeration values for CaptureRequest#CONTROL_SCENE_MODE
1305    //
1306
1307    /**
1308     * <p>Indicates that no scene modes are set for a given capture request.</p>
1309     * @see CaptureRequest#CONTROL_SCENE_MODE
1310     */
1311    public static final int CONTROL_SCENE_MODE_DISABLED = 0;
1312
1313    /**
1314     * <p>If face detection support exists, use face
1315     * detection data for auto-focus, auto-white balance, and
1316     * auto-exposure routines.</p>
1317     * <p>If face detection statistics are disabled
1318     * (i.e. {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} is set to OFF),
1319     * this should still operate correctly (but will not return
1320     * face detection statistics to the framework).</p>
1321     * <p>Unlike the other scene modes, {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode},
1322     * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}, and {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}
1323     * remain active when FACE_PRIORITY is set.</p>
1324     *
1325     * @see CaptureRequest#CONTROL_AE_MODE
1326     * @see CaptureRequest#CONTROL_AF_MODE
1327     * @see CaptureRequest#CONTROL_AWB_MODE
1328     * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE
1329     * @see CaptureRequest#CONTROL_SCENE_MODE
1330     */
1331    public static final int CONTROL_SCENE_MODE_FACE_PRIORITY = 1;
1332
1333    /**
1334     * <p>Optimized for photos of quickly moving objects.</p>
1335     * <p>Similar to SPORTS.</p>
1336     * @see CaptureRequest#CONTROL_SCENE_MODE
1337     */
1338    public static final int CONTROL_SCENE_MODE_ACTION = 2;
1339
1340    /**
1341     * <p>Optimized for still photos of people.</p>
1342     * @see CaptureRequest#CONTROL_SCENE_MODE
1343     */
1344    public static final int CONTROL_SCENE_MODE_PORTRAIT = 3;
1345
1346    /**
1347     * <p>Optimized for photos of distant macroscopic objects.</p>
1348     * @see CaptureRequest#CONTROL_SCENE_MODE
1349     */
1350    public static final int CONTROL_SCENE_MODE_LANDSCAPE = 4;
1351
1352    /**
1353     * <p>Optimized for low-light settings.</p>
1354     * @see CaptureRequest#CONTROL_SCENE_MODE
1355     */
1356    public static final int CONTROL_SCENE_MODE_NIGHT = 5;
1357
1358    /**
1359     * <p>Optimized for still photos of people in low-light
1360     * settings.</p>
1361     * @see CaptureRequest#CONTROL_SCENE_MODE
1362     */
1363    public static final int CONTROL_SCENE_MODE_NIGHT_PORTRAIT = 6;
1364
1365    /**
1366     * <p>Optimized for dim, indoor settings where flash must
1367     * remain off.</p>
1368     * @see CaptureRequest#CONTROL_SCENE_MODE
1369     */
1370    public static final int CONTROL_SCENE_MODE_THEATRE = 7;
1371
1372    /**
1373     * <p>Optimized for bright, outdoor beach settings.</p>
1374     * @see CaptureRequest#CONTROL_SCENE_MODE
1375     */
1376    public static final int CONTROL_SCENE_MODE_BEACH = 8;
1377
1378    /**
1379     * <p>Optimized for bright, outdoor settings containing snow.</p>
1380     * @see CaptureRequest#CONTROL_SCENE_MODE
1381     */
1382    public static final int CONTROL_SCENE_MODE_SNOW = 9;
1383
1384    /**
1385     * <p>Optimized for scenes of the setting sun.</p>
1386     * @see CaptureRequest#CONTROL_SCENE_MODE
1387     */
1388    public static final int CONTROL_SCENE_MODE_SUNSET = 10;
1389
1390    /**
1391     * <p>Optimized to avoid blurry photos due to small amounts of
1392     * device motion (for example: due to hand shake).</p>
1393     * @see CaptureRequest#CONTROL_SCENE_MODE
1394     */
1395    public static final int CONTROL_SCENE_MODE_STEADYPHOTO = 11;
1396
1397    /**
1398     * <p>Optimized for nighttime photos of fireworks.</p>
1399     * @see CaptureRequest#CONTROL_SCENE_MODE
1400     */
1401    public static final int CONTROL_SCENE_MODE_FIREWORKS = 12;
1402
1403    /**
1404     * <p>Optimized for photos of quickly moving people.</p>
1405     * <p>Similar to ACTION.</p>
1406     * @see CaptureRequest#CONTROL_SCENE_MODE
1407     */
1408    public static final int CONTROL_SCENE_MODE_SPORTS = 13;
1409
1410    /**
1411     * <p>Optimized for dim, indoor settings with multiple moving
1412     * people.</p>
1413     * @see CaptureRequest#CONTROL_SCENE_MODE
1414     */
1415    public static final int CONTROL_SCENE_MODE_PARTY = 14;
1416
1417    /**
1418     * <p>Optimized for dim settings where the main light source
1419     * is a flame.</p>
1420     * @see CaptureRequest#CONTROL_SCENE_MODE
1421     */
1422    public static final int CONTROL_SCENE_MODE_CANDLELIGHT = 15;
1423
1424    /**
1425     * <p>Optimized for accurately capturing a photo of barcode
1426     * for use by camera applications that wish to read the
1427     * barcode value.</p>
1428     * @see CaptureRequest#CONTROL_SCENE_MODE
1429     */
1430    public static final int CONTROL_SCENE_MODE_BARCODE = 16;
1431
1432    /**
1433     * <p>Optimized for high speed video recording (frame rate &gt;=60fps) use case.</p>
1434     * <p>The supported high speed video sizes and fps ranges are specified in
1435     * android.control.availableHighSpeedVideoConfigurations. To get desired
1436     * output frame rates, the application is only allowed to select video size
1437     * and fps range combinations listed in this static metadata. The fps range
1438     * can be control via {@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE android.control.aeTargetFpsRange}.</p>
1439     * <p>In this mode, the camera device will override aeMode, awbMode, and afMode to
1440     * ON, ON, and CONTINUOUS_VIDEO, respectively. All post-processing block mode
1441     * controls will be overridden to be FAST. Therefore, no manual control of capture
1442     * and post-processing parameters is possible. All other controls operate the
1443     * same as when {@link CaptureRequest#CONTROL_MODE android.control.mode} == AUTO. This means that all other
1444     * android.control.* fields continue to work, such as</p>
1445     * <ul>
1446     * <li>{@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE android.control.aeTargetFpsRange}</li>
1447     * <li>{@link CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION android.control.aeExposureCompensation}</li>
1448     * <li>{@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock}</li>
1449     * <li>{@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock}</li>
1450     * <li>{@link CaptureRequest#CONTROL_EFFECT_MODE android.control.effectMode}</li>
1451     * <li>{@link CaptureRequest#CONTROL_AE_REGIONS android.control.aeRegions}</li>
1452     * <li>{@link CaptureRequest#CONTROL_AF_REGIONS android.control.afRegions}</li>
1453     * <li>{@link CaptureRequest#CONTROL_AWB_REGIONS android.control.awbRegions}</li>
1454     * <li>{@link CaptureRequest#CONTROL_AF_TRIGGER android.control.afTrigger}</li>
1455     * <li>{@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger}</li>
1456     * </ul>
1457     * <p>Outside of android.control.*, the following controls will work:</p>
1458     * <ul>
1459     * <li>{@link CaptureRequest#FLASH_MODE android.flash.mode} (automatic flash for still capture will not work since aeMode is ON)</li>
1460     * <li>{@link CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE android.lens.opticalStabilizationMode} (if it is supported)</li>
1461     * <li>{@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}</li>
1462     * <li>{@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode}</li>
1463     * </ul>
1464     * <p>For high speed recording use case, the actual maximum supported frame rate may
1465     * be lower than what camera can output, depending on the destination Surfaces for
1466     * the image data. For example, if the destination surface is from video encoder,
1467     * the application need check if the video encoder is capable of supporting the
1468     * high frame rate for a given video size, or it will end up with lower recording
1469     * frame rate. If the destination surface is from preview window, the preview frame
1470     * rate will be bounded by the screen refresh rate.</p>
1471     * <p>The camera device will only support up to 2 output high speed streams
1472     * (processed non-stalling format defined in android.request.maxNumOutputStreams)
1473     * in this mode. This control will be effective only if all of below conditions are true:</p>
1474     * <ul>
1475     * <li>The application created no more than maxNumHighSpeedStreams processed non-stalling
1476     * format output streams, where maxNumHighSpeedStreams is calculated as
1477     * min(2, android.request.maxNumOutputStreams[Processed (but not-stalling)]).</li>
1478     * <li>The stream sizes are selected from the sizes reported by
1479     * android.control.availableHighSpeedVideoConfigurations.</li>
1480     * <li>No processed non-stalling or raw streams are configured.</li>
1481     * </ul>
1482     * <p>When above conditions are NOT satistied, the controls of this mode and
1483     * {@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE android.control.aeTargetFpsRange} will be ignored by the camera device,
1484     * the camera device will fall back to {@link CaptureRequest#CONTROL_MODE android.control.mode} <code>==</code> AUTO,
1485     * and the returned capture result metadata will give the fps range choosen
1486     * by the camera device.</p>
1487     * <p>Switching into or out of this mode may trigger some camera ISP/sensor
1488     * reconfigurations, which may introduce extra latency. It is recommended that
1489     * the application avoids unnecessary scene mode switch as much as possible.</p>
1490     *
1491     * @see CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION
1492     * @see CaptureRequest#CONTROL_AE_LOCK
1493     * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
1494     * @see CaptureRequest#CONTROL_AE_REGIONS
1495     * @see CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE
1496     * @see CaptureRequest#CONTROL_AF_REGIONS
1497     * @see CaptureRequest#CONTROL_AF_TRIGGER
1498     * @see CaptureRequest#CONTROL_AWB_LOCK
1499     * @see CaptureRequest#CONTROL_AWB_REGIONS
1500     * @see CaptureRequest#CONTROL_EFFECT_MODE
1501     * @see CaptureRequest#CONTROL_MODE
1502     * @see CaptureRequest#FLASH_MODE
1503     * @see CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE
1504     * @see CaptureRequest#SCALER_CROP_REGION
1505     * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE
1506     * @see CaptureRequest#CONTROL_SCENE_MODE
1507     */
1508    public static final int CONTROL_SCENE_MODE_HIGH_SPEED_VIDEO = 17;
1509
1510    //
1511    // Enumeration values for CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE
1512    //
1513
1514    /**
1515     * <p>Video stabilization is disabled.</p>
1516     * @see CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE
1517     */
1518    public static final int CONTROL_VIDEO_STABILIZATION_MODE_OFF = 0;
1519
1520    /**
1521     * <p>Video stabilization is enabled.</p>
1522     * @see CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE
1523     */
1524    public static final int CONTROL_VIDEO_STABILIZATION_MODE_ON = 1;
1525
1526    //
1527    // Enumeration values for CaptureRequest#EDGE_MODE
1528    //
1529
1530    /**
1531     * <p>No edge enhancement is applied.</p>
1532     * @see CaptureRequest#EDGE_MODE
1533     */
1534    public static final int EDGE_MODE_OFF = 0;
1535
1536    /**
1537     * <p>Apply edge enhancement at a quality level that does not slow down frame rate relative to sensor
1538     * output</p>
1539     * @see CaptureRequest#EDGE_MODE
1540     */
1541    public static final int EDGE_MODE_FAST = 1;
1542
1543    /**
1544     * <p>Apply high-quality edge enhancement, at a cost of reducing output frame rate.</p>
1545     * @see CaptureRequest#EDGE_MODE
1546     */
1547    public static final int EDGE_MODE_HIGH_QUALITY = 2;
1548
1549    //
1550    // Enumeration values for CaptureRequest#FLASH_MODE
1551    //
1552
1553    /**
1554     * <p>Do not fire the flash for this capture.</p>
1555     * @see CaptureRequest#FLASH_MODE
1556     */
1557    public static final int FLASH_MODE_OFF = 0;
1558
1559    /**
1560     * <p>If the flash is available and charged, fire flash
1561     * for this capture.</p>
1562     * @see CaptureRequest#FLASH_MODE
1563     */
1564    public static final int FLASH_MODE_SINGLE = 1;
1565
1566    /**
1567     * <p>Transition flash to continuously on.</p>
1568     * @see CaptureRequest#FLASH_MODE
1569     */
1570    public static final int FLASH_MODE_TORCH = 2;
1571
1572    //
1573    // Enumeration values for CaptureRequest#HOT_PIXEL_MODE
1574    //
1575
1576    /**
1577     * <p>No hot pixel correction is applied.</p>
1578     * <p>The frame rate must not be reduced relative to sensor raw output
1579     * for this option.</p>
1580     * <p>The hotpixel map may be returned in {@link CaptureResult#STATISTICS_HOT_PIXEL_MAP android.statistics.hotPixelMap}.</p>
1581     *
1582     * @see CaptureResult#STATISTICS_HOT_PIXEL_MAP
1583     * @see CaptureRequest#HOT_PIXEL_MODE
1584     */
1585    public static final int HOT_PIXEL_MODE_OFF = 0;
1586
1587    /**
1588     * <p>Hot pixel correction is applied, without reducing frame
1589     * rate relative to sensor raw output.</p>
1590     * <p>The hotpixel map may be returned in {@link CaptureResult#STATISTICS_HOT_PIXEL_MAP android.statistics.hotPixelMap}.</p>
1591     *
1592     * @see CaptureResult#STATISTICS_HOT_PIXEL_MAP
1593     * @see CaptureRequest#HOT_PIXEL_MODE
1594     */
1595    public static final int HOT_PIXEL_MODE_FAST = 1;
1596
1597    /**
1598     * <p>High-quality hot pixel correction is applied, at a cost
1599     * of reducing frame rate relative to sensor raw output.</p>
1600     * <p>The hotpixel map may be returned in {@link CaptureResult#STATISTICS_HOT_PIXEL_MAP android.statistics.hotPixelMap}.</p>
1601     *
1602     * @see CaptureResult#STATISTICS_HOT_PIXEL_MAP
1603     * @see CaptureRequest#HOT_PIXEL_MODE
1604     */
1605    public static final int HOT_PIXEL_MODE_HIGH_QUALITY = 2;
1606
1607    //
1608    // Enumeration values for CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE
1609    //
1610
1611    /**
1612     * <p>Optical stabilization is unavailable.</p>
1613     * @see CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE
1614     */
1615    public static final int LENS_OPTICAL_STABILIZATION_MODE_OFF = 0;
1616
1617    /**
1618     * <p>Optical stabilization is enabled.</p>
1619     * @see CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE
1620     */
1621    public static final int LENS_OPTICAL_STABILIZATION_MODE_ON = 1;
1622
1623    //
1624    // Enumeration values for CaptureRequest#NOISE_REDUCTION_MODE
1625    //
1626
1627    /**
1628     * <p>No noise reduction is applied.</p>
1629     * @see CaptureRequest#NOISE_REDUCTION_MODE
1630     */
1631    public static final int NOISE_REDUCTION_MODE_OFF = 0;
1632
1633    /**
1634     * <p>Noise reduction is applied without reducing frame rate relative to sensor
1635     * output.</p>
1636     * @see CaptureRequest#NOISE_REDUCTION_MODE
1637     */
1638    public static final int NOISE_REDUCTION_MODE_FAST = 1;
1639
1640    /**
1641     * <p>High-quality noise reduction is applied, at the cost of reducing frame rate
1642     * relative to sensor output.</p>
1643     * @see CaptureRequest#NOISE_REDUCTION_MODE
1644     */
1645    public static final int NOISE_REDUCTION_MODE_HIGH_QUALITY = 2;
1646
1647    //
1648    // Enumeration values for CaptureRequest#SENSOR_TEST_PATTERN_MODE
1649    //
1650
1651    /**
1652     * <p>No test pattern mode is used, and the camera
1653     * device returns captures from the image sensor.</p>
1654     * <p>This is the default if the key is not set.</p>
1655     * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE
1656     */
1657    public static final int SENSOR_TEST_PATTERN_MODE_OFF = 0;
1658
1659    /**
1660     * <p>Each pixel in <code>[R, G_even, G_odd, B]</code> is replaced by its
1661     * respective color channel provided in
1662     * {@link CaptureRequest#SENSOR_TEST_PATTERN_DATA android.sensor.testPatternData}.</p>
1663     * <p>For example:</p>
1664     * <pre><code>android.testPatternData = [0, 0xFFFFFFFF, 0xFFFFFFFF, 0]
1665     * </code></pre>
1666     * <p>All green pixels are 100% green. All red/blue pixels are black.</p>
1667     * <pre><code>android.testPatternData = [0xFFFFFFFF, 0, 0xFFFFFFFF, 0]
1668     * </code></pre>
1669     * <p>All red pixels are 100% red. Only the odd green pixels
1670     * are 100% green. All blue pixels are 100% black.</p>
1671     *
1672     * @see CaptureRequest#SENSOR_TEST_PATTERN_DATA
1673     * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE
1674     */
1675    public static final int SENSOR_TEST_PATTERN_MODE_SOLID_COLOR = 1;
1676
1677    /**
1678     * <p>All pixel data is replaced with an 8-bar color pattern.</p>
1679     * <p>The vertical bars (left-to-right) are as follows:</p>
1680     * <ul>
1681     * <li>100% white</li>
1682     * <li>yellow</li>
1683     * <li>cyan</li>
1684     * <li>green</li>
1685     * <li>magenta</li>
1686     * <li>red</li>
1687     * <li>blue</li>
1688     * <li>black</li>
1689     * </ul>
1690     * <p>In general the image would look like the following:</p>
1691     * <pre><code>W Y C G M R B K
1692     * W Y C G M R B K
1693     * W Y C G M R B K
1694     * W Y C G M R B K
1695     * W Y C G M R B K
1696     * . . . . . . . .
1697     * . . . . . . . .
1698     * . . . . . . . .
1699     *
1700     * (B = Blue, K = Black)
1701     * </code></pre>
1702     * <p>Each bar should take up 1/8 of the sensor pixel array width.
1703     * When this is not possible, the bar size should be rounded
1704     * down to the nearest integer and the pattern can repeat
1705     * on the right side.</p>
1706     * <p>Each bar's height must always take up the full sensor
1707     * pixel array height.</p>
1708     * <p>Each pixel in this test pattern must be set to either
1709     * 0% intensity or 100% intensity.</p>
1710     * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE
1711     */
1712    public static final int SENSOR_TEST_PATTERN_MODE_COLOR_BARS = 2;
1713
1714    /**
1715     * <p>The test pattern is similar to COLOR_BARS, except that
1716     * each bar should start at its specified color at the top,
1717     * and fade to gray at the bottom.</p>
1718     * <p>Furthermore each bar is further subdivided into a left and
1719     * right half. The left half should have a smooth gradient,
1720     * and the right half should have a quantized gradient.</p>
1721     * <p>In particular, the right half's should consist of blocks of the
1722     * same color for 1/16th active sensor pixel array width.</p>
1723     * <p>The least significant bits in the quantized gradient should
1724     * be copied from the most significant bits of the smooth gradient.</p>
1725     * <p>The height of each bar should always be a multiple of 128.
1726     * When this is not the case, the pattern should repeat at the bottom
1727     * of the image.</p>
1728     * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE
1729     */
1730    public static final int SENSOR_TEST_PATTERN_MODE_COLOR_BARS_FADE_TO_GRAY = 3;
1731
1732    /**
1733     * <p>All pixel data is replaced by a pseudo-random sequence
1734     * generated from a PN9 512-bit sequence (typically implemented
1735     * in hardware with a linear feedback shift register).</p>
1736     * <p>The generator should be reset at the beginning of each frame,
1737     * and thus each subsequent raw frame with this test pattern should
1738     * be exactly the same as the last.</p>
1739     * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE
1740     */
1741    public static final int SENSOR_TEST_PATTERN_MODE_PN9 = 4;
1742
1743    /**
1744     * <p>The first custom test pattern. All custom patterns that are
1745     * available only on this camera device are at least this numeric
1746     * value.</p>
1747     * <p>All of the custom test patterns will be static
1748     * (that is the raw image must not vary from frame to frame).</p>
1749     * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE
1750     */
1751    public static final int SENSOR_TEST_PATTERN_MODE_CUSTOM1 = 256;
1752
1753    //
1754    // Enumeration values for CaptureRequest#SHADING_MODE
1755    //
1756
1757    /**
1758     * <p>No lens shading correction is applied.</p>
1759     * @see CaptureRequest#SHADING_MODE
1760     */
1761    public static final int SHADING_MODE_OFF = 0;
1762
1763    /**
1764     * <p>Apply lens shading corrections, without slowing
1765     * frame rate relative to sensor raw output</p>
1766     * @see CaptureRequest#SHADING_MODE
1767     */
1768    public static final int SHADING_MODE_FAST = 1;
1769
1770    /**
1771     * <p>Apply high-quality lens shading correction, at the
1772     * cost of reduced frame rate.</p>
1773     * @see CaptureRequest#SHADING_MODE
1774     */
1775    public static final int SHADING_MODE_HIGH_QUALITY = 2;
1776
1777    //
1778    // Enumeration values for CaptureRequest#STATISTICS_FACE_DETECT_MODE
1779    //
1780
1781    /**
1782     * <p>Do not include face detection statistics in capture
1783     * results.</p>
1784     * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE
1785     */
1786    public static final int STATISTICS_FACE_DETECT_MODE_OFF = 0;
1787
1788    /**
1789     * <p>Return face rectangle and confidence values only.</p>
1790     * <p>In this mode, only android.statistics.faceRectangles and
1791     * android.statistics.faceScores outputs are valid.</p>
1792     * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE
1793     */
1794    public static final int STATISTICS_FACE_DETECT_MODE_SIMPLE = 1;
1795
1796    /**
1797     * <p>Return all face
1798     * metadata.</p>
1799     * <p>In this mode,
1800     * android.statistics.faceRectangles,
1801     * android.statistics.faceScores,
1802     * android.statistics.faceIds, and
1803     * android.statistics.faceLandmarks outputs are valid.</p>
1804     * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE
1805     */
1806    public static final int STATISTICS_FACE_DETECT_MODE_FULL = 2;
1807
1808    //
1809    // Enumeration values for CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE
1810    //
1811
1812    /**
1813     * <p>Do not include a lens shading map in the capture result.</p>
1814     * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE
1815     */
1816    public static final int STATISTICS_LENS_SHADING_MAP_MODE_OFF = 0;
1817
1818    /**
1819     * <p>Include a lens shading map in the capture result.</p>
1820     * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE
1821     */
1822    public static final int STATISTICS_LENS_SHADING_MAP_MODE_ON = 1;
1823
1824    //
1825    // Enumeration values for CaptureRequest#TONEMAP_MODE
1826    //
1827
1828    /**
1829     * <p>Use the tone mapping curve specified in
1830     * the {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}* entries.</p>
1831     * <p>All color enhancement and tonemapping must be disabled, except
1832     * for applying the tonemapping curve specified by
1833     * {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}.</p>
1834     * <p>Must not slow down frame rate relative to raw
1835     * sensor output.</p>
1836     *
1837     * @see CaptureRequest#TONEMAP_CURVE
1838     * @see CaptureRequest#TONEMAP_MODE
1839     */
1840    public static final int TONEMAP_MODE_CONTRAST_CURVE = 0;
1841
1842    /**
1843     * <p>Advanced gamma mapping and color enhancement may be applied, without
1844     * reducing frame rate compared to raw sensor output.</p>
1845     * @see CaptureRequest#TONEMAP_MODE
1846     */
1847    public static final int TONEMAP_MODE_FAST = 1;
1848
1849    /**
1850     * <p>High-quality gamma mapping and color enhancement will be applied, at
1851     * the cost of reduced frame rate compared to raw sensor output.</p>
1852     * @see CaptureRequest#TONEMAP_MODE
1853     */
1854    public static final int TONEMAP_MODE_HIGH_QUALITY = 2;
1855
1856    //
1857    // Enumeration values for CaptureResult#CONTROL_AE_STATE
1858    //
1859
1860    /**
1861     * <p>AE is off or recently reset.</p>
1862     * <p>When a camera device is opened, it starts in
1863     * this state. This is a transient state, the camera device may skip reporting
1864     * this state in capture result.</p>
1865     * @see CaptureResult#CONTROL_AE_STATE
1866     */
1867    public static final int CONTROL_AE_STATE_INACTIVE = 0;
1868
1869    /**
1870     * <p>AE doesn't yet have a good set of control values
1871     * for the current scene.</p>
1872     * <p>This is a transient state, the camera device may skip
1873     * reporting this state in capture result.</p>
1874     * @see CaptureResult#CONTROL_AE_STATE
1875     */
1876    public static final int CONTROL_AE_STATE_SEARCHING = 1;
1877
1878    /**
1879     * <p>AE has a good set of control values for the
1880     * current scene.</p>
1881     * @see CaptureResult#CONTROL_AE_STATE
1882     */
1883    public static final int CONTROL_AE_STATE_CONVERGED = 2;
1884
1885    /**
1886     * <p>AE has been locked.</p>
1887     * @see CaptureResult#CONTROL_AE_STATE
1888     */
1889    public static final int CONTROL_AE_STATE_LOCKED = 3;
1890
1891    /**
1892     * <p>AE has a good set of control values, but flash
1893     * needs to be fired for good quality still
1894     * capture.</p>
1895     * @see CaptureResult#CONTROL_AE_STATE
1896     */
1897    public static final int CONTROL_AE_STATE_FLASH_REQUIRED = 4;
1898
1899    /**
1900     * <p>AE has been asked to do a precapture sequence
1901     * and is currently executing it.</p>
1902     * <p>Precapture can be triggered through setting
1903     * {@link CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER android.control.aePrecaptureTrigger} to START.</p>
1904     * <p>Once PRECAPTURE completes, AE will transition to CONVERGED
1905     * or FLASH_REQUIRED as appropriate. This is a transient
1906     * state, the camera device may skip reporting this state in
1907     * capture result.</p>
1908     *
1909     * @see CaptureRequest#CONTROL_AE_PRECAPTURE_TRIGGER
1910     * @see CaptureResult#CONTROL_AE_STATE
1911     */
1912    public static final int CONTROL_AE_STATE_PRECAPTURE = 5;
1913
1914    //
1915    // Enumeration values for CaptureResult#CONTROL_AF_STATE
1916    //
1917
1918    /**
1919     * <p>AF is off or has not yet tried to scan/been asked
1920     * to scan.</p>
1921     * <p>When a camera device is opened, it starts in this
1922     * state. This is a transient state, the camera device may
1923     * skip reporting this state in capture
1924     * result.</p>
1925     * @see CaptureResult#CONTROL_AF_STATE
1926     */
1927    public static final int CONTROL_AF_STATE_INACTIVE = 0;
1928
1929    /**
1930     * <p>AF is currently performing an AF scan initiated the
1931     * camera device in a continuous autofocus mode.</p>
1932     * <p>Only used by CONTINUOUS_* AF modes. This is a transient
1933     * state, the camera device may skip reporting this state in
1934     * capture result.</p>
1935     * @see CaptureResult#CONTROL_AF_STATE
1936     */
1937    public static final int CONTROL_AF_STATE_PASSIVE_SCAN = 1;
1938
1939    /**
1940     * <p>AF currently believes it is in focus, but may
1941     * restart scanning at any time.</p>
1942     * <p>Only used by CONTINUOUS_* AF modes. This is a transient
1943     * state, the camera device may skip reporting this state in
1944     * capture result.</p>
1945     * @see CaptureResult#CONTROL_AF_STATE
1946     */
1947    public static final int CONTROL_AF_STATE_PASSIVE_FOCUSED = 2;
1948
1949    /**
1950     * <p>AF is performing an AF scan because it was
1951     * triggered by AF trigger.</p>
1952     * <p>Only used by AUTO or MACRO AF modes. This is a transient
1953     * state, the camera device may skip reporting this state in
1954     * capture result.</p>
1955     * @see CaptureResult#CONTROL_AF_STATE
1956     */
1957    public static final int CONTROL_AF_STATE_ACTIVE_SCAN = 3;
1958
1959    /**
1960     * <p>AF believes it is focused correctly and has locked
1961     * focus.</p>
1962     * <p>This state is reached only after an explicit START AF trigger has been
1963     * sent ({@link CaptureRequest#CONTROL_AF_TRIGGER android.control.afTrigger}), when good focus has been obtained.</p>
1964     * <p>The lens will remain stationary until the AF mode ({@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}) is changed or
1965     * a new AF trigger is sent to the camera device ({@link CaptureRequest#CONTROL_AF_TRIGGER android.control.afTrigger}).</p>
1966     *
1967     * @see CaptureRequest#CONTROL_AF_MODE
1968     * @see CaptureRequest#CONTROL_AF_TRIGGER
1969     * @see CaptureResult#CONTROL_AF_STATE
1970     */
1971    public static final int CONTROL_AF_STATE_FOCUSED_LOCKED = 4;
1972
1973    /**
1974     * <p>AF has failed to focus successfully and has locked
1975     * focus.</p>
1976     * <p>This state is reached only after an explicit START AF trigger has been
1977     * sent ({@link CaptureRequest#CONTROL_AF_TRIGGER android.control.afTrigger}), when good focus cannot be obtained.</p>
1978     * <p>The lens will remain stationary until the AF mode ({@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}) is changed or
1979     * a new AF trigger is sent to the camera device ({@link CaptureRequest#CONTROL_AF_TRIGGER android.control.afTrigger}).</p>
1980     *
1981     * @see CaptureRequest#CONTROL_AF_MODE
1982     * @see CaptureRequest#CONTROL_AF_TRIGGER
1983     * @see CaptureResult#CONTROL_AF_STATE
1984     */
1985    public static final int CONTROL_AF_STATE_NOT_FOCUSED_LOCKED = 5;
1986
1987    /**
1988     * <p>AF finished a passive scan without finding focus,
1989     * and may restart scanning at any time.</p>
1990     * <p>Only used by CONTINUOUS_* AF modes. This is a transient state, the camera
1991     * device may skip reporting this state in capture result.</p>
1992     * @see CaptureResult#CONTROL_AF_STATE
1993     */
1994    public static final int CONTROL_AF_STATE_PASSIVE_UNFOCUSED = 6;
1995
1996    //
1997    // Enumeration values for CaptureResult#CONTROL_AWB_STATE
1998    //
1999
2000    /**
2001     * <p>AWB is not in auto mode, or has not yet started metering.</p>
2002     * <p>When a camera device is opened, it starts in this
2003     * state. This is a transient state, the camera device may
2004     * skip reporting this state in capture
2005     * result.</p>
2006     * @see CaptureResult#CONTROL_AWB_STATE
2007     */
2008    public static final int CONTROL_AWB_STATE_INACTIVE = 0;
2009
2010    /**
2011     * <p>AWB doesn't yet have a good set of control
2012     * values for the current scene.</p>
2013     * <p>This is a transient state, the camera device
2014     * may skip reporting this state in capture result.</p>
2015     * @see CaptureResult#CONTROL_AWB_STATE
2016     */
2017    public static final int CONTROL_AWB_STATE_SEARCHING = 1;
2018
2019    /**
2020     * <p>AWB has a good set of control values for the
2021     * current scene.</p>
2022     * @see CaptureResult#CONTROL_AWB_STATE
2023     */
2024    public static final int CONTROL_AWB_STATE_CONVERGED = 2;
2025
2026    /**
2027     * <p>AWB has been locked.</p>
2028     * @see CaptureResult#CONTROL_AWB_STATE
2029     */
2030    public static final int CONTROL_AWB_STATE_LOCKED = 3;
2031
2032    //
2033    // Enumeration values for CaptureResult#FLASH_STATE
2034    //
2035
2036    /**
2037     * <p>No flash on camera.</p>
2038     * @see CaptureResult#FLASH_STATE
2039     */
2040    public static final int FLASH_STATE_UNAVAILABLE = 0;
2041
2042    /**
2043     * <p>Flash is charging and cannot be fired.</p>
2044     * @see CaptureResult#FLASH_STATE
2045     */
2046    public static final int FLASH_STATE_CHARGING = 1;
2047
2048    /**
2049     * <p>Flash is ready to fire.</p>
2050     * @see CaptureResult#FLASH_STATE
2051     */
2052    public static final int FLASH_STATE_READY = 2;
2053
2054    /**
2055     * <p>Flash fired for this capture.</p>
2056     * @see CaptureResult#FLASH_STATE
2057     */
2058    public static final int FLASH_STATE_FIRED = 3;
2059
2060    /**
2061     * <p>Flash partially illuminated this frame.</p>
2062     * <p>This is usually due to the next or previous frame having
2063     * the flash fire, and the flash spilling into this capture
2064     * due to hardware limitations.</p>
2065     * @see CaptureResult#FLASH_STATE
2066     */
2067    public static final int FLASH_STATE_PARTIAL = 4;
2068
2069    //
2070    // Enumeration values for CaptureResult#LENS_STATE
2071    //
2072
2073    /**
2074     * <p>The lens parameters ({@link CaptureRequest#LENS_FOCAL_LENGTH android.lens.focalLength}, {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance},
2075     * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} and {@link CaptureRequest#LENS_APERTURE android.lens.aperture}) are not changing.</p>
2076     *
2077     * @see CaptureRequest#LENS_APERTURE
2078     * @see CaptureRequest#LENS_FILTER_DENSITY
2079     * @see CaptureRequest#LENS_FOCAL_LENGTH
2080     * @see CaptureRequest#LENS_FOCUS_DISTANCE
2081     * @see CaptureResult#LENS_STATE
2082     */
2083    public static final int LENS_STATE_STATIONARY = 0;
2084
2085    /**
2086     * <p>One or several of the lens parameters
2087     * ({@link CaptureRequest#LENS_FOCAL_LENGTH android.lens.focalLength}, {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance},
2088     * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} or {@link CaptureRequest#LENS_APERTURE android.lens.aperture}) is
2089     * currently changing.</p>
2090     *
2091     * @see CaptureRequest#LENS_APERTURE
2092     * @see CaptureRequest#LENS_FILTER_DENSITY
2093     * @see CaptureRequest#LENS_FOCAL_LENGTH
2094     * @see CaptureRequest#LENS_FOCUS_DISTANCE
2095     * @see CaptureResult#LENS_STATE
2096     */
2097    public static final int LENS_STATE_MOVING = 1;
2098
2099    //
2100    // Enumeration values for CaptureResult#STATISTICS_SCENE_FLICKER
2101    //
2102
2103    /**
2104     * <p>The camera device does not detect any flickering illumination
2105     * in the current scene.</p>
2106     * @see CaptureResult#STATISTICS_SCENE_FLICKER
2107     */
2108    public static final int STATISTICS_SCENE_FLICKER_NONE = 0;
2109
2110    /**
2111     * <p>The camera device detects illumination flickering at 50Hz
2112     * in the current scene.</p>
2113     * @see CaptureResult#STATISTICS_SCENE_FLICKER
2114     */
2115    public static final int STATISTICS_SCENE_FLICKER_50HZ = 1;
2116
2117    /**
2118     * <p>The camera device detects illumination flickering at 60Hz
2119     * in the current scene.</p>
2120     * @see CaptureResult#STATISTICS_SCENE_FLICKER
2121     */
2122    public static final int STATISTICS_SCENE_FLICKER_60HZ = 2;
2123
2124    //
2125    // Enumeration values for CaptureResult#SYNC_FRAME_NUMBER
2126    //
2127
2128    /**
2129     * <p>The current result is not yet fully synchronized to any request.</p>
2130     * <p>Synchronization is in progress, and reading metadata from this
2131     * result may include a mix of data that have taken effect since the
2132     * last synchronization time.</p>
2133     * <p>In some future result, within {@link CameraCharacteristics#SYNC_MAX_LATENCY android.sync.maxLatency} frames,
2134     * this value will update to the actual frame number frame number
2135     * the result is guaranteed to be synchronized to (as long as the
2136     * request settings remain constant).</p>
2137     *
2138     * @see CameraCharacteristics#SYNC_MAX_LATENCY
2139     * @see CaptureResult#SYNC_FRAME_NUMBER
2140     * @hide
2141     */
2142    public static final int SYNC_FRAME_NUMBER_CONVERGING = -1;
2143
2144    /**
2145     * <p>The current result's synchronization status is unknown.</p>
2146     * <p>The result may have already converged, or it may be in
2147     * progress.  Reading from this result may include some mix
2148     * of settings from past requests.</p>
2149     * <p>After a settings change, the new settings will eventually all
2150     * take effect for the output buffers and results. However, this
2151     * value will not change when that happens. Altering settings
2152     * rapidly may provide outcomes using mixes of settings from recent
2153     * requests.</p>
2154     * <p>This value is intended primarily for backwards compatibility with
2155     * the older camera implementations (for android.hardware.Camera).</p>
2156     * @see CaptureResult#SYNC_FRAME_NUMBER
2157     * @hide
2158     */
2159    public static final int SYNC_FRAME_NUMBER_UNKNOWN = -2;
2160
2161    /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~
2162     * End generated code
2163     *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/
2164
2165}
2166