CameraCharacteristics.java revision 8237d34398a507783e6d7b889ea3bf5586a43df4
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.hardware.camera2;
18
19import android.hardware.camera2.impl.CameraMetadataNative;
20
21import java.util.Collections;
22import java.util.List;
23
24/**
25 * <p>The properties describing a
26 * {@link CameraDevice CameraDevice}.</p>
27 *
28 * <p>These properties are fixed for a given CameraDevice, and can be queried
29 * through the {@link CameraManager CameraManager}
30 * interface in addition to through the CameraDevice interface.</p>
31 *
32 * @see CameraDevice
33 * @see CameraManager
34 */
35public final class CameraCharacteristics extends CameraMetadata {
36
37    private final CameraMetadataNative mProperties;
38    private List<Key<?>> mAvailableRequestKeys;
39    private List<Key<?>> mAvailableResultKeys;
40
41    /**
42     * Takes ownership of the passed-in properties object
43     * @hide
44     */
45    public CameraCharacteristics(CameraMetadataNative properties) {
46        mProperties = properties;
47    }
48
49    @Override
50    public <T> T get(Key<T> key) {
51        return mProperties.get(key);
52    }
53
54    /**
55     * Returns the list of keys supported by this {@link CameraDevice} for querying
56     * with a {@link CaptureRequest}.
57     *
58     * <p>The list returned is not modifiable, so any attempts to modify it will throw
59     * a {@code UnsupportedOperationException}.</p>
60     *
61     * <p>Each key is only listed once in the list. The order of the keys is undefined.</p>
62     *
63     * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use
64     * {@link #getKeys()} instead.</p>
65     *
66     * @return List of keys supported by this CameraDevice for CaptureRequests.
67     */
68    public List<Key<?>> getAvailableCaptureRequestKeys() {
69        if (mAvailableRequestKeys == null) {
70            mAvailableRequestKeys = getAvailableKeyList(CaptureRequest.class);
71        }
72        return mAvailableRequestKeys;
73    }
74
75    /**
76     * Returns the list of keys supported by this {@link CameraDevice} for querying
77     * with a {@link CaptureResult}.
78     *
79     * <p>The list returned is not modifiable, so any attempts to modify it will throw
80     * a {@code UnsupportedOperationException}.</p>
81     *
82     * <p>Each key is only listed once in the list. The order of the keys is undefined.</p>
83     *
84     * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use
85     * {@link #getKeys()} instead.</p>
86     *
87     * @return List of keys supported by this CameraDevice for CaptureResults.
88     */
89    public List<Key<?>> getAvailableCaptureResultKeys() {
90        if (mAvailableResultKeys == null) {
91            mAvailableResultKeys = getAvailableKeyList(CaptureResult.class);
92        }
93        return mAvailableResultKeys;
94    }
95
96    /**
97     * Returns the list of keys supported by this {@link CameraDevice} by metadataClass.
98     *
99     * <p>The list returned is not modifiable, so any attempts to modify it will throw
100     * a {@code UnsupportedOperationException}.</p>
101     *
102     * <p>Each key is only listed once in the list. The order of the keys is undefined.</p>
103     *
104     * @param metadataClass The subclass of CameraMetadata that you want to get the keys for.
105     *
106     * @return List of keys supported by this CameraDevice for metadataClass.
107     *
108     * @throws IllegalArgumentException if metadataClass is not a subclass of CameraMetadata
109     */
110    private <T extends CameraMetadata> List<Key<?>> getAvailableKeyList(Class<T> metadataClass) {
111
112        if (metadataClass.equals(CameraMetadata.class)) {
113            throw new AssertionError(
114                    "metadataClass must be a strict subclass of CameraMetadata");
115        } else if (!CameraMetadata.class.isAssignableFrom(metadataClass)) {
116            throw new AssertionError(
117                    "metadataClass must be a subclass of CameraMetadata");
118        }
119
120        return Collections.unmodifiableList(getKeysStatic(metadataClass, /*instance*/null));
121    }
122
123    /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~
124     * The key entries below this point are generated from metadata
125     * definitions in /system/media/camera/docs. Do not modify by hand or
126     * modify the comment blocks at the start or end.
127     *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/
128
129
130    /**
131     * <p>The set of auto-exposure antibanding modes that are
132     * supported by this camera device.</p>
133     * <p>Not all of the auto-exposure anti-banding modes may be
134     * supported by a given camera device. This field lists the
135     * valid anti-banding modes that the application may request
136     * for this camera device; they must include AUTO.</p>
137     */
138    public static final Key<byte[]> CONTROL_AE_AVAILABLE_ANTIBANDING_MODES =
139            new Key<byte[]>("android.control.aeAvailableAntibandingModes", byte[].class);
140
141    /**
142     * <p>The set of auto-exposure modes that are supported by this
143     * camera device.</p>
144     * <p>Not all the auto-exposure modes may be supported by a
145     * given camera device, especially if no flash unit is
146     * available. This entry lists the valid modes for
147     * {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} for this camera device.</p>
148     * <p>All camera devices support ON, and all camera devices with
149     * flash units support ON_AUTO_FLASH and
150     * ON_ALWAYS_FLASH.</p>
151     * <p>Full-capability camera devices always support OFF mode,
152     * which enables application control of camera exposure time,
153     * sensitivity, and frame duration.</p>
154     *
155     * @see CaptureRequest#CONTROL_AE_MODE
156     */
157    public static final Key<byte[]> CONTROL_AE_AVAILABLE_MODES =
158            new Key<byte[]>("android.control.aeAvailableModes", byte[].class);
159
160    /**
161     * <p>List of frame rate ranges supported by the
162     * AE algorithm/hardware</p>
163     */
164    public static final Key<int[]> CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES =
165            new Key<int[]>("android.control.aeAvailableTargetFpsRanges", int[].class);
166
167    /**
168     * <p>Maximum and minimum exposure compensation
169     * setting, in counts of
170     * android.control.aeCompensationStepSize</p>
171     */
172    public static final Key<int[]> CONTROL_AE_COMPENSATION_RANGE =
173            new Key<int[]>("android.control.aeCompensationRange", int[].class);
174
175    /**
176     * <p>Smallest step by which exposure compensation
177     * can be changed</p>
178     */
179    public static final Key<Rational> CONTROL_AE_COMPENSATION_STEP =
180            new Key<Rational>("android.control.aeCompensationStep", Rational.class);
181
182    /**
183     * <p>List of AF modes that can be
184     * selected with {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}.</p>
185     * <p>Not all the auto-focus modes may be supported by a
186     * given camera device. This entry lists the valid modes for
187     * {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} for this camera device.</p>
188     * <p>All camera devices will support OFF mode, and all camera devices with
189     * adjustable focuser units (<code>{@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} &gt; 0</code>)
190     * will support AUTO mode.</p>
191     *
192     * @see CaptureRequest#CONTROL_AF_MODE
193     * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE
194     */
195    public static final Key<byte[]> CONTROL_AF_AVAILABLE_MODES =
196            new Key<byte[]>("android.control.afAvailableModes", byte[].class);
197
198    /**
199     * <p>what subset of the full color effect enum
200     * list is supported</p>
201     */
202    public static final Key<byte[]> CONTROL_AVAILABLE_EFFECTS =
203            new Key<byte[]>("android.control.availableEffects", byte[].class);
204
205    /**
206     * <p>List containing a subset of scene modes
207     * specified in {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode}.</p>
208     * <p>This list contains scene modes that can be set for the camera device.
209     * Only scene modes that have been fully implemented for the
210     * camera device may be included here. Implementations are not expected
211     * to be consistent across all devices. If no scene modes are supported
212     * by the camera device, this will be set to <code>[DISABLED]</code>.</p>
213     *
214     * @see CaptureRequest#CONTROL_SCENE_MODE
215     */
216    public static final Key<byte[]> CONTROL_AVAILABLE_SCENE_MODES =
217            new Key<byte[]>("android.control.availableSceneModes", byte[].class);
218
219    /**
220     * <p>List of video stabilization modes that can
221     * be supported</p>
222     */
223    public static final Key<byte[]> CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES =
224            new Key<byte[]>("android.control.availableVideoStabilizationModes", byte[].class);
225
226    /**
227     * <p>The set of auto-white-balance modes ({@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode})
228     * that are supported by this camera device.</p>
229     * <p>Not all the auto-white-balance modes may be supported by a
230     * given camera device. This entry lists the valid modes for
231     * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} for this camera device.</p>
232     * <p>All camera devices will support ON mode.</p>
233     * <p>Full-capability camera devices will always support OFF mode,
234     * which enables application control of white balance, by using
235     * {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform} and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains}({@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} must be set to TRANSFORM_MATRIX).</p>
236     *
237     * @see CaptureRequest#COLOR_CORRECTION_GAINS
238     * @see CaptureRequest#COLOR_CORRECTION_MODE
239     * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM
240     * @see CaptureRequest#CONTROL_AWB_MODE
241     */
242    public static final Key<byte[]> CONTROL_AWB_AVAILABLE_MODES =
243            new Key<byte[]>("android.control.awbAvailableModes", byte[].class);
244
245    /**
246     * <p>For AE, AWB, and AF, how many individual
247     * regions can be listed for metering?</p>
248     */
249    public static final Key<Integer> CONTROL_MAX_REGIONS =
250            new Key<Integer>("android.control.maxRegions", int.class);
251
252    /**
253     * <p>Whether this camera has a
254     * flash</p>
255     * <p>If no flash, none of the flash controls do
256     * anything. All other metadata should return 0</p>
257     */
258    public static final Key<Byte> FLASH_INFO_AVAILABLE =
259            new Key<Byte>("android.flash.info.available", byte.class);
260
261    /**
262     * <p>Supported resolutions for the JPEG thumbnail</p>
263     * <p>Below condiditions will be satisfied for this size list:</p>
264     * <ul>
265     * <li>The sizes will be sorted by increasing pixel area (width x height).
266     * If several resolutions have the same area, they will be sorted by increasing width.</li>
267     * <li>The aspect ratio of the largest thumbnail size will be same as the
268     * aspect ratio of largest size in {@link CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES android.scaler.availableJpegSizes}.
269     * The largest size is defined as the size that has the largest pixel area
270     * in a given size list.</li>
271     * <li>Each size in {@link CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES android.scaler.availableJpegSizes} will have at least
272     * one corresponding size that has the same aspect ratio in availableThumbnailSizes,
273     * and vice versa.</li>
274     * <li>All non (0, 0) sizes will have non-zero widths and heights.</li>
275     * </ul>
276     *
277     * @see CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES
278     */
279    public static final Key<android.hardware.camera2.Size[]> JPEG_AVAILABLE_THUMBNAIL_SIZES =
280            new Key<android.hardware.camera2.Size[]>("android.jpeg.availableThumbnailSizes", android.hardware.camera2.Size[].class);
281
282    /**
283     * <p>List of supported aperture
284     * values.</p>
285     * <p>If the camera device doesn't support variable apertures,
286     * listed value will be the fixed aperture.</p>
287     * <p>If the camera device supports variable apertures, the aperture value
288     * in this list will be sorted in ascending order.</p>
289     */
290    public static final Key<float[]> LENS_INFO_AVAILABLE_APERTURES =
291            new Key<float[]>("android.lens.info.availableApertures", float[].class);
292
293    /**
294     * <p>List of supported neutral density filter values for
295     * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity}.</p>
296     * <p>If changing {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} is not supported,
297     * availableFilterDensities must contain only 0. Otherwise, this
298     * list contains only the exact filter density values available on
299     * this camera device.</p>
300     *
301     * @see CaptureRequest#LENS_FILTER_DENSITY
302     */
303    public static final Key<float[]> LENS_INFO_AVAILABLE_FILTER_DENSITIES =
304            new Key<float[]>("android.lens.info.availableFilterDensities", float[].class);
305
306    /**
307     * <p>If fitted with optical zoom, what focal
308     * lengths are available. If not, the static focal
309     * length</p>
310     * <p>If optical zoom not supported, only one value
311     * should be reported</p>
312     */
313    public static final Key<float[]> LENS_INFO_AVAILABLE_FOCAL_LENGTHS =
314            new Key<float[]>("android.lens.info.availableFocalLengths", float[].class);
315
316    /**
317     * <p>List of supported optical image
318     * stabilization modes</p>
319     */
320    public static final Key<byte[]> LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION =
321            new Key<byte[]>("android.lens.info.availableOpticalStabilization", byte[].class);
322
323    /**
324     * <p>Hyperfocal distance for this lens; set to
325     * 0 if fixed focus</p>
326     * <p>The hyperfocal distance is used for the old
327     * API's 'fixed' setting</p>
328     */
329    public static final Key<Float> LENS_INFO_HYPERFOCAL_DISTANCE =
330            new Key<Float>("android.lens.info.hyperfocalDistance", float.class);
331
332    /**
333     * <p>Shortest distance from frontmost surface
334     * of the lens that can be focused correctly</p>
335     * <p>If the lens is fixed-focus, this should be
336     * 0</p>
337     */
338    public static final Key<Float> LENS_INFO_MINIMUM_FOCUS_DISTANCE =
339            new Key<Float>("android.lens.info.minimumFocusDistance", float.class);
340
341    /**
342     * <p>Dimensions of lens shading map.</p>
343     * <p>The map should be on the order of 30-40 rows and columns, and
344     * must be smaller than 64x64.</p>
345     */
346    public static final Key<android.hardware.camera2.Size> LENS_INFO_SHADING_MAP_SIZE =
347            new Key<android.hardware.camera2.Size>("android.lens.info.shadingMapSize", android.hardware.camera2.Size.class);
348
349    /**
350     * <p>Direction the camera faces relative to
351     * device screen</p>
352     * @see #LENS_FACING_FRONT
353     * @see #LENS_FACING_BACK
354     */
355    public static final Key<Integer> LENS_FACING =
356            new Key<Integer>("android.lens.facing", int.class);
357
358    /**
359     * <p>If set to 1, the HAL will always split result
360     * metadata for a single capture into multiple buffers,
361     * returned using multiple process_capture_result calls.</p>
362     * <p>Does not need to be listed in static
363     * metadata. Support for partial results will be reworked in
364     * future versions of camera service. This quirk will stop
365     * working at that point; DO NOT USE without careful
366     * consideration of future support.</p>
367     * <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
368     * @hide
369     */
370    public static final Key<Byte> QUIRKS_USE_PARTIAL_RESULT =
371            new Key<Byte>("android.quirks.usePartialResult", byte.class);
372
373    /**
374     * <p>How many output streams can be allocated at
375     * the same time for each type of stream</p>
376     * <p>Video snapshot with preview callbacks requires 3
377     * processed streams (preview, record, app callbacks) and
378     * one JPEG stream (snapshot)</p>
379     */
380    public static final Key<int[]> REQUEST_MAX_NUM_OUTPUT_STREAMS =
381            new Key<int[]>("android.request.maxNumOutputStreams", int[].class);
382
383    /**
384     * <p>The list of image formats that are supported by this
385     * camera device.</p>
386     * <p>All camera devices will support JPEG and YUV_420_888 formats.</p>
387     * <p>When set to YUV_420_888, application can access the YUV420 data directly.</p>
388     */
389    public static final Key<int[]> SCALER_AVAILABLE_FORMATS =
390            new Key<int[]>("android.scaler.availableFormats", int[].class);
391
392    /**
393     * <p>The minimum frame duration that is supported
394     * for each resolution in {@link CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES android.scaler.availableJpegSizes}.</p>
395     * <p>This corresponds to the minimum steady-state frame duration when only
396     * that JPEG stream is active and captured in a burst, with all
397     * processing (typically in android.*.mode) set to FAST.</p>
398     * <p>When multiple streams are configured, the minimum
399     * frame duration will be &gt;= max(individual stream min
400     * durations)</p>
401     *
402     * @see CameraCharacteristics#SCALER_AVAILABLE_JPEG_SIZES
403     */
404    public static final Key<long[]> SCALER_AVAILABLE_JPEG_MIN_DURATIONS =
405            new Key<long[]>("android.scaler.availableJpegMinDurations", long[].class);
406
407    /**
408     * <p>The JPEG resolutions that are supported by this camera device.</p>
409     * <p>The resolutions are listed as <code>(width, height)</code> pairs. All camera devices will support
410     * sensor maximum resolution (defined by {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}).</p>
411     *
412     * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE
413     */
414    public static final Key<android.hardware.camera2.Size[]> SCALER_AVAILABLE_JPEG_SIZES =
415            new Key<android.hardware.camera2.Size[]>("android.scaler.availableJpegSizes", android.hardware.camera2.Size[].class);
416
417    /**
418     * <p>The maximum ratio between active area width
419     * and crop region width, or between active area height and
420     * crop region height, if the crop region height is larger
421     * than width</p>
422     */
423    public static final Key<Float> SCALER_AVAILABLE_MAX_DIGITAL_ZOOM =
424            new Key<Float>("android.scaler.availableMaxDigitalZoom", float.class);
425
426    /**
427     * <p>For each available processed output size (defined in
428     * {@link CameraCharacteristics#SCALER_AVAILABLE_PROCESSED_SIZES android.scaler.availableProcessedSizes}), this property lists the
429     * minimum supportable frame duration for that size.</p>
430     * <p>This should correspond to the frame duration when only that processed
431     * stream is active, with all processing (typically in android.*.mode)
432     * set to FAST.</p>
433     * <p>When multiple streams are configured, the minimum frame duration will
434     * be &gt;= max(individual stream min durations).</p>
435     *
436     * @see CameraCharacteristics#SCALER_AVAILABLE_PROCESSED_SIZES
437     */
438    public static final Key<long[]> SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS =
439            new Key<long[]>("android.scaler.availableProcessedMinDurations", long[].class);
440
441    /**
442     * <p>The resolutions available for use with
443     * processed output streams, such as YV12, NV12, and
444     * platform opaque YUV/RGB streams to the GPU or video
445     * encoders.</p>
446     * <p>The resolutions are listed as <code>(width, height)</code> pairs.</p>
447     * <p>For a given use case, the actual maximum supported resolution
448     * may be lower than what is listed here, depending on the destination
449     * Surface for the image data. For example, for recording video,
450     * the video encoder chosen may have a maximum size limit (e.g. 1080p)
451     * smaller than what the camera (e.g. maximum resolution is 3264x2448)
452     * can provide.</p>
453     * <p>Please reference the documentation for the image data destination to
454     * check if it limits the maximum size for image data.</p>
455     */
456    public static final Key<android.hardware.camera2.Size[]> SCALER_AVAILABLE_PROCESSED_SIZES =
457            new Key<android.hardware.camera2.Size[]>("android.scaler.availableProcessedSizes", android.hardware.camera2.Size[].class);
458
459    /**
460     * <p>Area of raw data which corresponds to only
461     * active pixels; smaller or equal to
462     * pixelArraySize.</p>
463     */
464    public static final Key<android.graphics.Rect> SENSOR_INFO_ACTIVE_ARRAY_SIZE =
465            new Key<android.graphics.Rect>("android.sensor.info.activeArraySize", android.graphics.Rect.class);
466
467    /**
468     * <p>Range of valid sensitivities</p>
469     */
470    public static final Key<int[]> SENSOR_INFO_SENSITIVITY_RANGE =
471            new Key<int[]>("android.sensor.info.sensitivityRange", int[].class);
472
473    /**
474     * <p>Range of valid exposure
475     * times</p>
476     */
477    public static final Key<long[]> SENSOR_INFO_EXPOSURE_TIME_RANGE =
478            new Key<long[]>("android.sensor.info.exposureTimeRange", long[].class);
479
480    /**
481     * <p>Maximum possible frame duration (minimum frame
482     * rate)</p>
483     * <p>Minimum duration is a function of resolution,
484     * processing settings. See
485     * android.scaler.availableProcessedMinDurations
486     * android.scaler.availableJpegMinDurations
487     * android.scaler.availableRawMinDurations</p>
488     */
489    public static final Key<Long> SENSOR_INFO_MAX_FRAME_DURATION =
490            new Key<Long>("android.sensor.info.maxFrameDuration", long.class);
491
492    /**
493     * <p>The physical dimensions of the full pixel
494     * array</p>
495     * <p>Needed for FOV calculation for old API</p>
496     */
497    public static final Key<float[]> SENSOR_INFO_PHYSICAL_SIZE =
498            new Key<float[]>("android.sensor.info.physicalSize", float[].class);
499
500    /**
501     * <p>Gain factor from electrons to raw units when
502     * ISO=100</p>
503     * <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
504     * <p><b>Full capability</b> -
505     * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the
506     * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p>
507     *
508     * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
509     */
510    public static final Key<Rational> SENSOR_BASE_GAIN_FACTOR =
511            new Key<Rational>("android.sensor.baseGainFactor", Rational.class);
512
513    /**
514     * <p>Maximum sensitivity that is implemented
515     * purely through analog gain</p>
516     * <p>For {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} values less than or
517     * equal to this, all applied gain must be analog. For
518     * values above this, it can be a mix of analog and
519     * digital</p>
520     * <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
521     * <p><b>Full capability</b> -
522     * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the
523     * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p>
524     *
525     * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL
526     * @see CaptureRequest#SENSOR_SENSITIVITY
527     */
528    public static final Key<Integer> SENSOR_MAX_ANALOG_SENSITIVITY =
529            new Key<Integer>("android.sensor.maxAnalogSensitivity", int.class);
530
531    /**
532     * <p>Clockwise angle through which the output
533     * image needs to be rotated to be upright on the device
534     * screen in its native orientation. Also defines the
535     * direction of rolling shutter readout, which is from top
536     * to bottom in the sensor's coordinate system</p>
537     */
538    public static final Key<Integer> SENSOR_ORIENTATION =
539            new Key<Integer>("android.sensor.orientation", int.class);
540
541    /**
542     * <p>Which face detection modes are available,
543     * if any</p>
544     * <p>OFF means face detection is disabled, it must
545     * be included in the list.</p>
546     * <p>SIMPLE means the device supports the
547     * android.statistics.faceRectangles and
548     * android.statistics.faceScores outputs.</p>
549     * <p>FULL means the device additionally supports the
550     * android.statistics.faceIds and
551     * android.statistics.faceLandmarks outputs.</p>
552     */
553    public static final Key<byte[]> STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES =
554            new Key<byte[]>("android.statistics.info.availableFaceDetectModes", byte[].class);
555
556    /**
557     * <p>Maximum number of simultaneously detectable
558     * faces</p>
559     */
560    public static final Key<Integer> STATISTICS_INFO_MAX_FACE_COUNT =
561            new Key<Integer>("android.statistics.info.maxFaceCount", int.class);
562
563    /**
564     * <p>Maximum number of supported points in the
565     * tonemap curve</p>
566     */
567    public static final Key<Integer> TONEMAP_MAX_CURVE_POINTS =
568            new Key<Integer>("android.tonemap.maxCurvePoints", int.class);
569
570    /**
571     * <p>A list of camera LEDs that are available on this system.</p>
572     * @see #LED_AVAILABLE_LEDS_TRANSMIT
573     * @hide
574     */
575    public static final Key<int[]> LED_AVAILABLE_LEDS =
576            new Key<int[]>("android.led.availableLeds", int[].class);
577
578    /**
579     * <p>The camera 3 HAL device can implement one of two possible
580     * operational modes; limited and full. Full support is
581     * expected from new higher-end devices. Limited mode has
582     * hardware requirements roughly in line with those for a
583     * camera HAL device v1 implementation, and is expected from
584     * older or inexpensive devices. Full is a strict superset of
585     * limited, and they share the same essential operational flow.</p>
586     * <p>For full details refer to "S3. Operational Modes" in camera3.h</p>
587     * @see #INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED
588     * @see #INFO_SUPPORTED_HARDWARE_LEVEL_FULL
589     */
590    public static final Key<Integer> INFO_SUPPORTED_HARDWARE_LEVEL =
591            new Key<Integer>("android.info.supportedHardwareLevel", int.class);
592
593    /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~
594     * End generated code
595     *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/
596}
597