2 * Copyright (C) 2014 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package android.hardware.camera2.legacy;
19 import android.graphics.ImageFormat;
20 import android.graphics.PixelFormat;
21 import android.graphics.Rect;
22 import android.hardware.Camera;
23 import android.hardware.Camera.CameraInfo;
24 import android.hardware.Camera.Parameters;
25 import android.hardware.camera2.CameraCharacteristics;
26 import android.hardware.camera2.CameraDevice;
27 import android.hardware.camera2.CameraMetadata;
28 import android.hardware.camera2.CaptureRequest;
29 import android.hardware.camera2.CaptureResult;
30 import android.hardware.camera2.impl.CameraMetadataNative;
31 import android.hardware.camera2.params.MeteringRectangle;
32 import android.hardware.camera2.params.StreamConfiguration;
33 import android.hardware.camera2.params.StreamConfigurationDuration;
34 import android.hardware.camera2.utils.ArrayUtils;
35 import android.hardware.camera2.utils.ListUtils;
36 import android.hardware.camera2.utils.ParamsUtils;
37 import android.util.Log;
38 import android.util.Range;
39 import android.util.Size;
40 import android.util.SizeF;
42 import java.util.ArrayList;
43 import java.util.Arrays;
44 import java.util.Collections;
45 import java.util.List;
47 import static com.android.internal.util.Preconditions.*;
48 import static android.hardware.camera2.CameraCharacteristics.*;
49 import static android.hardware.camera2.legacy.ParameterUtils.*;
52 * Provide legacy-specific implementations of camera2 metadata for legacy devices, such as the
53 * camera characteristics.
55 @SuppressWarnings("deprecation")
56 public class LegacyMetadataMapper {
57 private static final String TAG = "LegacyMetadataMapper";
58 private static final boolean DEBUG = false;
60 private static final long NS_PER_MS = 1000000;
63 public static final int HAL_PIXEL_FORMAT_RGBA_8888 = PixelFormat.RGBA_8888;
64 public static final int HAL_PIXEL_FORMAT_BGRA_8888 = 0x5;
65 public static final int HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED = 0x22;
66 public static final int HAL_PIXEL_FORMAT_BLOB = 0x21;
69 private static final float LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS = 0.0f;
71 private static final int REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_RAW = 0; // no raw support
72 private static final int REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC = 3; // preview, video, cb
73 private static final int REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC_STALL = 1; // 1 jpeg only
74 private static final int REQUEST_MAX_NUM_INPUT_STREAMS_COUNT = 0; // no reprocessing
76 /** Assume 3 HAL1 stages: Exposure, Read-out, Post-Processing */
77 private static final int REQUEST_PIPELINE_MAX_DEPTH_HAL1 = 3;
78 /** Assume 3 shim stages: Preview input, Split output, Format conversion for output */
79 private static final int REQUEST_PIPELINE_MAX_DEPTH_OURS = 3;
80 /* TODO: Update above maxDepth values once we do more performance measurements */
82 // For approximating JPEG stall durations
83 private static final long APPROXIMATE_CAPTURE_DELAY_MS = 200; // 200 milliseconds
84 private static final long APPROXIMATE_SENSOR_AREA_PX = (1 << 23); // 8 megapixels
85 private static final long APPROXIMATE_JPEG_ENCODE_TIME_MS = 600; // 600 milliseconds
87 static final int UNKNOWN_MODE = -1;
89 // Maximum difference between a preview size aspect ratio and a jpeg size aspect ratio
90 private static final float PREVIEW_ASPECT_RATIO_TOLERANCE = 0.01f;
93 * Development hijinks: Lie about not supporting certain capabilities
95 * - Unblock some CTS tests from running whose main intent is not the metadata itself
97 * TODO: Remove these constants and strip out any code that previously relied on them
100 static final boolean LIE_ABOUT_AE_STATE = false;
101 static final boolean LIE_ABOUT_AE_MAX_REGIONS = false;
102 static final boolean LIE_ABOUT_AF = false;
103 static final boolean LIE_ABOUT_AF_MAX_REGIONS = false;
104 static final boolean LIE_ABOUT_AWB_STATE = false;
105 static final boolean LIE_ABOUT_AWB = false;
109 * Create characteristics for a legacy device by mapping the {@code parameters}
112 * @param parameters A non-{@code null} parameters set
113 * @param info Camera info with camera facing direction and angle of orientation
115 * @return static camera characteristics for a camera device
117 * @throws NullPointerException if any of the args were {@code null}
119 public static CameraCharacteristics createCharacteristics(Camera.Parameters parameters,
121 checkNotNull(parameters, "parameters must not be null");
122 checkNotNull(info, "info must not be null");
124 String paramStr = parameters.flatten();
125 android.hardware.CameraInfo outerInfo = new android.hardware.CameraInfo();
126 outerInfo.info = info;
128 return createCharacteristics(paramStr, outerInfo);
132 * Create characteristics for a legacy device by mapping the {@code parameters}
135 * @param parameters A string parseable by {@link Camera.Parameters#unflatten}
136 * @param info Camera info with camera facing direction and angle of orientation
137 * @return static camera characteristics for a camera device
139 * @throws NullPointerException if any of the args were {@code null}
141 public static CameraCharacteristics createCharacteristics(String parameters,
142 android.hardware.CameraInfo info) {
143 checkNotNull(parameters, "parameters must not be null");
144 checkNotNull(info, "info must not be null");
145 checkNotNull(info.info, "info.info must not be null");
147 CameraMetadataNative m = new CameraMetadataNative();
149 mapCharacteristicsFromInfo(m, info.info);
151 Camera.Parameters params = Camera.getEmptyParameters();
152 params.unflatten(parameters);
153 mapCharacteristicsFromParameters(m, params);
156 Log.v(TAG, "createCharacteristics metadata:");
157 Log.v(TAG, "--------------------------------------------------- (start)");
159 Log.v(TAG, "--------------------------------------------------- (end)");
162 return new CameraCharacteristics(m);
165 private static void mapCharacteristicsFromInfo(CameraMetadataNative m, CameraInfo i) {
166 m.set(LENS_FACING, i.facing == CameraInfo.CAMERA_FACING_BACK ?
167 LENS_FACING_BACK : LENS_FACING_FRONT);
168 m.set(SENSOR_ORIENTATION, i.orientation);
171 private static void mapCharacteristicsFromParameters(CameraMetadataNative m,
172 Camera.Parameters p) {
177 m.set(COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES,
178 new int[] { COLOR_CORRECTION_ABERRATION_MODE_FAST });
193 * - Anything that doesn't have a set of related fields
195 mapControlOther(m, p);
212 m.set(NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES,
213 new int[] { NOISE_REDUCTION_MODE_FAST });
236 * info.supportedHardwareLevel
238 m.set(INFO_SUPPORTED_HARDWARE_LEVEL, INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY);
241 * scaler.availableStream*, scaler.available*Durations, sensor.info.maxFrameDuration
243 mapScalerStreamConfigs(m, p);
245 // Order matters below: Put this last so that we can read the metadata set previously
254 private static void mapScalerStreamConfigs(CameraMetadataNative m, Camera.Parameters p) {
256 ArrayList<StreamConfiguration> availableStreamConfigs = new ArrayList<>();
258 * Implementation-defined (preview, recording, etc) -> use camera1 preview sizes
259 * YUV_420_888 cpu callbacks -> use camera1 preview sizes
260 * Other preview callbacks (CPU) -> use camera1 preview sizes
261 * JPEG still capture -> use camera1 still capture sizes
263 * Use platform-internal format constants here, since StreamConfigurationMap does the
264 * remapping to public format constants.
266 List<Camera.Size> previewSizes = p.getSupportedPreviewSizes();
267 List<Camera.Size> jpegSizes = p.getSupportedPictureSizes();
269 * Work-around for b/17589233:
270 * - Some HALs's largest preview size aspect ratio does not match the largest JPEG size AR
271 * - This causes a large amount of problems with focus/metering because it's relative to
272 * preview, making the difference between the JPEG and preview viewport inaccessible
273 * - This boils down to metering or focusing areas being "arbitrarily" cropped
274 * in the capture result.
275 * - Work-around the HAL limitations by removing all of the largest preview sizes
276 * until we get one with the same aspect ratio as the jpeg size.
279 SizeAreaComparator areaComparator = new SizeAreaComparator();
281 // Sort preview to min->max
282 Collections.sort(previewSizes, areaComparator);
284 Camera.Size maxJpegSize = SizeAreaComparator.findLargestByArea(jpegSizes);
285 float jpegAspectRatio = maxJpegSize.width * 1.0f / maxJpegSize.height;
288 Log.v(TAG, String.format("mapScalerStreamConfigs - largest JPEG area %dx%d, AR=%f",
289 maxJpegSize.width, maxJpegSize.height, jpegAspectRatio));
292 // Now remove preview sizes from the end (largest->smallest) until aspect ratio matches
293 while (!previewSizes.isEmpty()) {
294 int index = previewSizes.size() - 1; // max is always at the end
295 Camera.Size size = previewSizes.get(index);
297 float previewAspectRatio = size.width * 1.0f / size.height;
299 if (Math.abs(jpegAspectRatio - previewAspectRatio) >=
300 PREVIEW_ASPECT_RATIO_TOLERANCE) {
301 previewSizes.remove(index); // Assume removing from end is O(1)
304 Log.v(TAG, String.format(
305 "mapScalerStreamConfigs - removed preview size %dx%d, AR=%f "
306 + "was not the same",
307 size.width, size.height, previewAspectRatio));
314 if (previewSizes.isEmpty()) {
315 // Fall-back to the original faulty behavior, but at least work
316 Log.w(TAG, "mapScalerStreamConfigs - failed to find any preview size matching " +
317 "JPEG aspect ratio " + jpegAspectRatio);
318 previewSizes = p.getSupportedPreviewSizes();
321 // Sort again, this time in descending order max->min
322 Collections.sort(previewSizes, Collections.reverseOrder(areaComparator));
325 appendStreamConfig(availableStreamConfigs,
326 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, previewSizes);
327 appendStreamConfig(availableStreamConfigs,
328 ImageFormat.YUV_420_888, previewSizes);
329 for (int format : p.getSupportedPreviewFormats()) {
330 if (ImageFormat.isPublicFormat(format) && format != ImageFormat.NV21) {
331 appendStreamConfig(availableStreamConfigs, format, previewSizes);
334 * Do not add any formats unknown to us
335 * (since it would fail runtime checks in StreamConfigurationMap)
338 String.format("mapStreamConfigs - Skipping format %x", format));
342 appendStreamConfig(availableStreamConfigs,
343 HAL_PIXEL_FORMAT_BLOB, p.getSupportedPictureSizes());
345 * scaler.availableStreamConfigurations
347 m.set(SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
348 availableStreamConfigs.toArray(new StreamConfiguration[0]));
351 * scaler.availableMinFrameDurations
353 // No frame durations available
354 m.set(SCALER_AVAILABLE_MIN_FRAME_DURATIONS, new StreamConfigurationDuration[0]);
356 StreamConfigurationDuration[] jpegStalls =
357 new StreamConfigurationDuration[jpegSizes.size()];
359 long longestStallDuration = -1;
360 for (Camera.Size s : jpegSizes) {
361 long stallDuration = calculateJpegStallDuration(s);
362 jpegStalls[i++] = new StreamConfigurationDuration(HAL_PIXEL_FORMAT_BLOB, s.width,
363 s.height, stallDuration);
364 if (longestStallDuration < stallDuration) {
365 longestStallDuration = stallDuration;
369 * scaler.availableStallDurations
371 // Set stall durations for jpeg, other formats use default stall duration
372 m.set(SCALER_AVAILABLE_STALL_DURATIONS, jpegStalls);
375 * sensor.info.maxFrameDuration
377 m.set(SENSOR_INFO_MAX_FRAME_DURATION, longestStallDuration);
380 @SuppressWarnings({"unchecked"})
381 private static void mapControlAe(CameraMetadataNative m, Camera.Parameters p) {
383 * control.aeAvailableAntiBandingModes
385 List<String> antiBandingModes = p.getSupportedAntibanding();
386 if (antiBandingModes != null && antiBandingModes.size() > 0) { // antibanding is optional
387 int[] modes = new int[antiBandingModes.size()];
389 for (String mode : antiBandingModes) {
390 int convertedMode = convertAntiBandingMode(mode);
391 if (DEBUG && convertedMode == -1) {
392 Log.v(TAG, "Antibanding mode " + ((mode == null) ? "NULL" : mode) +
393 " not supported, skipping...");
395 modes[j++] = convertedMode;
398 m.set(CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, Arrays.copyOf(modes, j));
400 m.set(CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, new int[0]);
404 * control.aeAvailableTargetFpsRanges
407 List<int[]> fpsRanges = p.getSupportedPreviewFpsRange();
408 if (fpsRanges == null) {
409 throw new AssertionError("Supported FPS ranges cannot be null.");
411 int rangesSize = fpsRanges.size();
412 if (rangesSize <= 0) {
413 throw new AssertionError("At least one FPS range must be supported.");
415 Range<Integer>[] ranges = new Range[rangesSize];
417 for (int[] r : fpsRanges) {
418 ranges[i++] = Range.create(
419 (int) Math.floor(r[Camera.Parameters.PREVIEW_FPS_MIN_INDEX] / 1000.0),
420 (int) Math.ceil(r[Camera.Parameters.PREVIEW_FPS_MAX_INDEX] / 1000.0));
422 m.set(CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, ranges);
426 * control.aeAvailableModes
429 List<String> flashModes = p.getSupportedFlashModes();
431 String[] flashModeStrings = new String[] {
432 Camera.Parameters.FLASH_MODE_OFF,
433 Camera.Parameters.FLASH_MODE_AUTO,
434 Camera.Parameters.FLASH_MODE_ON,
435 Camera.Parameters.FLASH_MODE_RED_EYE,
436 // Map these manually
437 Camera.Parameters.FLASH_MODE_TORCH,
439 int[] flashModeInts = new int[] {
441 CONTROL_AE_MODE_ON_AUTO_FLASH,
442 CONTROL_AE_MODE_ON_ALWAYS_FLASH,
443 CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE
445 int[] aeAvail = ArrayUtils.convertStringListToIntArray(
446 flashModes, flashModeStrings, flashModeInts);
448 // No flash control -> AE is always on
449 if (aeAvail == null || aeAvail.length == 0) {
450 aeAvail = new int[] {
455 // Note that AE_MODE_OFF is never available.
456 m.set(CONTROL_AE_AVAILABLE_MODES, aeAvail);
460 * control.aeCompensationRanges
463 int min = p.getMinExposureCompensation();
464 int max = p.getMaxExposureCompensation();
466 m.set(CONTROL_AE_COMPENSATION_RANGE, Range.create(min, max));
470 * control.aeCompensationStep
473 float step = p.getExposureCompensationStep();
475 m.set(CONTROL_AE_COMPENSATION_STEP, ParamsUtils.createRational(step));
479 * control.aeLockAvailable
482 boolean aeLockAvailable = p.isAutoExposureLockSupported();
484 m.set(CONTROL_AE_LOCK_AVAILABLE, aeLockAvailable);
489 @SuppressWarnings({"unchecked"})
490 private static void mapControlAf(CameraMetadataNative m, Camera.Parameters p) {
492 * control.afAvailableModes
495 List<String> focusModes = p.getSupportedFocusModes();
497 String[] focusModeStrings = new String[] {
498 Camera.Parameters.FOCUS_MODE_AUTO,
499 Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE,
500 Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO,
501 Camera.Parameters.FOCUS_MODE_EDOF,
502 Camera.Parameters.FOCUS_MODE_INFINITY,
503 Camera.Parameters.FOCUS_MODE_MACRO,
504 Camera.Parameters.FOCUS_MODE_FIXED,
507 int[] focusModeInts = new int[] {
508 CONTROL_AF_MODE_AUTO,
509 CONTROL_AF_MODE_CONTINUOUS_PICTURE,
510 CONTROL_AF_MODE_CONTINUOUS_VIDEO,
511 CONTROL_AF_MODE_EDOF,
513 CONTROL_AF_MODE_MACRO,
517 List<Integer> afAvail = ArrayUtils.convertStringListToIntList(
518 focusModes, focusModeStrings, focusModeInts);
520 // No AF modes supported? That's unpossible!
521 if (afAvail == null || afAvail.size() == 0) {
522 Log.w(TAG, "No AF modes supported (HAL bug); defaulting to AF_MODE_OFF only");
523 afAvail = new ArrayList<Integer>(/*capacity*/1);
524 afAvail.add(CONTROL_AF_MODE_OFF);
527 m.set(CONTROL_AF_AVAILABLE_MODES, ArrayUtils.toIntArray(afAvail));
530 Log.v(TAG, "mapControlAf - control.afAvailableModes set to " +
531 ListUtils.listToString(afAvail));
536 private static void mapControlAwb(CameraMetadataNative m, Camera.Parameters p) {
538 * control.awbAvailableModes
542 List<String> wbModes = p.getSupportedWhiteBalance();
544 String[] wbModeStrings = new String[] {
545 Camera.Parameters.WHITE_BALANCE_AUTO ,
546 Camera.Parameters.WHITE_BALANCE_INCANDESCENT ,
547 Camera.Parameters.WHITE_BALANCE_FLUORESCENT ,
548 Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT ,
549 Camera.Parameters.WHITE_BALANCE_DAYLIGHT ,
550 Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT ,
551 Camera.Parameters.WHITE_BALANCE_TWILIGHT ,
552 Camera.Parameters.WHITE_BALANCE_SHADE ,
555 int[] wbModeInts = new int[] {
556 CONTROL_AWB_MODE_AUTO,
557 CONTROL_AWB_MODE_INCANDESCENT ,
558 CONTROL_AWB_MODE_FLUORESCENT ,
559 CONTROL_AWB_MODE_WARM_FLUORESCENT ,
560 CONTROL_AWB_MODE_DAYLIGHT ,
561 CONTROL_AWB_MODE_CLOUDY_DAYLIGHT ,
562 CONTROL_AWB_MODE_TWILIGHT ,
563 CONTROL_AWB_MODE_SHADE ,
564 // Note that CONTROL_AWB_MODE_OFF is unsupported
567 List<Integer> awbAvail = ArrayUtils.convertStringListToIntList(
568 wbModes, wbModeStrings, wbModeInts);
570 // No AWB modes supported? That's unpossible!
571 if (awbAvail == null || awbAvail.size() == 0) {
572 Log.w(TAG, "No AWB modes supported (HAL bug); defaulting to AWB_MODE_AUTO only");
573 awbAvail = new ArrayList<Integer>(/*capacity*/1);
574 awbAvail.add(CONTROL_AWB_MODE_AUTO);
577 m.set(CONTROL_AWB_AVAILABLE_MODES, ArrayUtils.toIntArray(awbAvail));
580 Log.v(TAG, "mapControlAwb - control.awbAvailableModes set to " +
581 ListUtils.listToString(awbAvail));
586 * control.awbLockAvailable
589 boolean awbLockAvailable = p.isAutoWhiteBalanceLockSupported();
591 m.set(CONTROL_AWB_LOCK_AVAILABLE, awbLockAvailable);
596 private static void mapControlOther(CameraMetadataNative m, Camera.Parameters p) {
598 * android.control.availableVideoStabilizationModes
601 int stabModes[] = p.isVideoStabilizationSupported() ?
602 new int[] { CONTROL_VIDEO_STABILIZATION_MODE_OFF,
603 CONTROL_VIDEO_STABILIZATION_MODE_ON } :
604 new int[] { CONTROL_VIDEO_STABILIZATION_MODE_OFF };
606 m.set(CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, stabModes);
610 * android.control.maxRegions
612 final int AE = 0, AWB = 1, AF = 2;
614 int[] maxRegions = new int[3];
615 maxRegions[AE] = p.getMaxNumMeteringAreas();
616 maxRegions[AWB] = 0; // AWB regions not supported in API1
617 maxRegions[AF] = p.getMaxNumFocusAreas();
619 if (LIE_ABOUT_AE_MAX_REGIONS) {
622 if (LIE_ABOUT_AF_MAX_REGIONS) {
626 m.set(CONTROL_MAX_REGIONS, maxRegions);
629 * android.control.availableEffects
631 List<String> effectModes = p.getSupportedColorEffects();
632 int[] supportedEffectModes = (effectModes == null) ? new int[0] :
633 ArrayUtils.convertStringListToIntArray(effectModes, sLegacyEffectMode,
635 m.set(CONTROL_AVAILABLE_EFFECTS, supportedEffectModes);
638 * android.control.availableSceneModes
640 int maxNumDetectedFaces = p.getMaxNumDetectedFaces();
641 List<String> sceneModes = p.getSupportedSceneModes();
642 List<Integer> supportedSceneModes =
643 ArrayUtils.convertStringListToIntList(sceneModes, sLegacySceneModes, sSceneModes);
645 // Special case where the only scene mode listed is AUTO => no scene mode
646 if (sceneModes != null && sceneModes.size() == 1 &&
647 sceneModes.get(0) == Parameters.SCENE_MODE_AUTO) {
648 supportedSceneModes = null;
651 boolean sceneModeSupported = true;
652 if (supportedSceneModes == null && maxNumDetectedFaces == 0) {
653 sceneModeSupported = false;
656 if (sceneModeSupported) {
657 if (supportedSceneModes == null) {
658 supportedSceneModes = new ArrayList<Integer>();
660 if (maxNumDetectedFaces > 0) { // always supports FACE_PRIORITY when face detecting
661 supportedSceneModes.add(CONTROL_SCENE_MODE_FACE_PRIORITY);
663 // Remove all DISABLED occurrences
664 if (supportedSceneModes.contains(CONTROL_SCENE_MODE_DISABLED)) {
665 while(supportedSceneModes.remove(new Integer(CONTROL_SCENE_MODE_DISABLED))) {}
667 m.set(CONTROL_AVAILABLE_SCENE_MODES, ArrayUtils.toIntArray(supportedSceneModes));
669 m.set(CONTROL_AVAILABLE_SCENE_MODES, new int[] {CONTROL_SCENE_MODE_DISABLED});
673 * android.control.availableModes
675 m.set(CONTROL_AVAILABLE_MODES, sceneModeSupported ?
676 new int[] { CONTROL_MODE_AUTO, CONTROL_MODE_USE_SCENE_MODE } :
677 new int[] { CONTROL_MODE_AUTO });
680 private static void mapLens(CameraMetadataNative m, Camera.Parameters p) {
682 * We can tell if the lens is fixed focus;
683 * but if it's not, we can't tell the minimum focus distance, so leave it null then.
686 Log.v(TAG, "mapLens - focus-mode='" + p.getFocusMode() + "'");
689 if (Camera.Parameters.FOCUS_MODE_FIXED.equals(p.getFocusMode())) {
691 * lens.info.minimumFocusDistance
693 m.set(LENS_INFO_MINIMUM_FOCUS_DISTANCE, LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS);
696 Log.v(TAG, "mapLens - lens.info.minimumFocusDistance = 0");
700 Log.v(TAG, "mapLens - lens.info.minimumFocusDistance is unknown");
704 float[] focalLengths = new float[] { p.getFocalLength() };
705 m.set(LENS_INFO_AVAILABLE_FOCAL_LENGTHS, focalLengths);
708 private static void mapFlash(CameraMetadataNative m, Camera.Parameters p) {
709 boolean flashAvailable = false;
710 List<String> supportedFlashModes = p.getSupportedFlashModes();
712 if (supportedFlashModes != null) {
713 // If only 'OFF' is available, we don't really have flash support
714 flashAvailable = !ListUtils.listElementsEqualTo(
715 supportedFlashModes, Camera.Parameters.FLASH_MODE_OFF);
719 * flash.info.available
721 m.set(FLASH_INFO_AVAILABLE, flashAvailable);
724 private static void mapJpeg(CameraMetadataNative m, Camera.Parameters p) {
725 List<Camera.Size> thumbnailSizes = p.getSupportedJpegThumbnailSizes();
727 if (thumbnailSizes != null) {
728 Size[] sizes = convertSizeListToArray(thumbnailSizes);
729 Arrays.sort(sizes, new android.hardware.camera2.utils.SizeAreaComparator());
730 m.set(JPEG_AVAILABLE_THUMBNAIL_SIZES, sizes);
734 private static void mapRequest(CameraMetadataNative m, Parameters p) {
736 * request.availableCapabilities
738 int[] capabilities = { REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE };
739 m.set(REQUEST_AVAILABLE_CAPABILITIES, capabilities);
742 * request.availableCharacteristicsKeys
745 // TODO: check if the underlying key is supported before listing a key as available
747 // Note: We only list public keys. Native HALs should list ALL keys regardless of visibility.
749 Key<?> availableKeys[] = new Key<?>[] {
750 CameraCharacteristics.COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES ,
751 CameraCharacteristics.CONTROL_AE_AVAILABLE_ANTIBANDING_MODES ,
752 CameraCharacteristics.CONTROL_AE_AVAILABLE_MODES ,
753 CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES ,
754 CameraCharacteristics.CONTROL_AE_COMPENSATION_RANGE ,
755 CameraCharacteristics.CONTROL_AE_COMPENSATION_STEP ,
756 CameraCharacteristics.CONTROL_AE_LOCK_AVAILABLE ,
757 CameraCharacteristics.CONTROL_AF_AVAILABLE_MODES ,
758 CameraCharacteristics.CONTROL_AVAILABLE_EFFECTS ,
759 CameraCharacteristics.CONTROL_AVAILABLE_MODES ,
760 CameraCharacteristics.CONTROL_AVAILABLE_SCENE_MODES ,
761 CameraCharacteristics.CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES ,
762 CameraCharacteristics.CONTROL_AWB_AVAILABLE_MODES ,
763 CameraCharacteristics.CONTROL_AWB_LOCK_AVAILABLE ,
764 CameraCharacteristics.CONTROL_MAX_REGIONS ,
765 CameraCharacteristics.FLASH_INFO_AVAILABLE ,
766 CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL ,
767 CameraCharacteristics.JPEG_AVAILABLE_THUMBNAIL_SIZES ,
768 CameraCharacteristics.LENS_FACING ,
769 CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS ,
770 CameraCharacteristics.NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES ,
771 CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES ,
772 CameraCharacteristics.REQUEST_MAX_NUM_OUTPUT_STREAMS ,
773 CameraCharacteristics.REQUEST_PARTIAL_RESULT_COUNT ,
774 CameraCharacteristics.REQUEST_PIPELINE_MAX_DEPTH ,
775 CameraCharacteristics.SCALER_AVAILABLE_MAX_DIGITAL_ZOOM ,
776 // CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP ,
777 CameraCharacteristics.SCALER_CROPPING_TYPE ,
778 CameraCharacteristics.SENSOR_AVAILABLE_TEST_PATTERN_MODES ,
779 CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE ,
780 CameraCharacteristics.SENSOR_INFO_PHYSICAL_SIZE ,
781 CameraCharacteristics.SENSOR_INFO_PIXEL_ARRAY_SIZE ,
782 CameraCharacteristics.SENSOR_INFO_TIMESTAMP_SOURCE ,
783 CameraCharacteristics.SENSOR_ORIENTATION ,
784 CameraCharacteristics.STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES ,
785 CameraCharacteristics.STATISTICS_INFO_MAX_FACE_COUNT ,
786 CameraCharacteristics.SYNC_MAX_LATENCY ,
788 List<Key<?>> characteristicsKeys = new ArrayList<>(Arrays.asList(availableKeys));
791 * Add the conditional keys
793 if (m.get(LENS_INFO_MINIMUM_FOCUS_DISTANCE) != null) {
794 characteristicsKeys.add(LENS_INFO_MINIMUM_FOCUS_DISTANCE);
797 m.set(REQUEST_AVAILABLE_CHARACTERISTICS_KEYS,
798 getTagsForKeys(characteristicsKeys.toArray(new Key<?>[0])));
802 * request.availableRequestKeys
805 CaptureRequest.Key<?> defaultAvailableKeys[] = new CaptureRequest.Key<?>[] {
806 CaptureRequest.COLOR_CORRECTION_ABERRATION_MODE,
807 CaptureRequest.CONTROL_AE_ANTIBANDING_MODE,
808 CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION,
809 CaptureRequest.CONTROL_AE_LOCK,
810 CaptureRequest.CONTROL_AE_MODE,
811 CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE,
812 CaptureRequest.CONTROL_AF_MODE,
813 CaptureRequest.CONTROL_AF_TRIGGER,
814 CaptureRequest.CONTROL_AWB_LOCK,
815 CaptureRequest.CONTROL_AWB_MODE,
816 CaptureRequest.CONTROL_CAPTURE_INTENT,
817 CaptureRequest.CONTROL_EFFECT_MODE,
818 CaptureRequest.CONTROL_MODE,
819 CaptureRequest.CONTROL_SCENE_MODE,
820 CaptureRequest.CONTROL_VIDEO_STABILIZATION_MODE,
821 CaptureRequest.FLASH_MODE,
822 CaptureRequest.JPEG_GPS_COORDINATES,
823 CaptureRequest.JPEG_GPS_PROCESSING_METHOD,
824 CaptureRequest.JPEG_GPS_TIMESTAMP,
825 CaptureRequest.JPEG_ORIENTATION,
826 CaptureRequest.JPEG_QUALITY,
827 CaptureRequest.JPEG_THUMBNAIL_QUALITY,
828 CaptureRequest.JPEG_THUMBNAIL_SIZE,
829 CaptureRequest.LENS_FOCAL_LENGTH,
830 CaptureRequest.NOISE_REDUCTION_MODE,
831 CaptureRequest.SCALER_CROP_REGION,
832 CaptureRequest.STATISTICS_FACE_DETECT_MODE,
834 ArrayList<CaptureRequest.Key<?>> availableKeys =
835 new ArrayList<CaptureRequest.Key<?>>(Arrays.asList(defaultAvailableKeys));
837 if (p.getMaxNumMeteringAreas() > 0) {
838 availableKeys.add(CaptureRequest.CONTROL_AE_REGIONS);
840 if (p.getMaxNumFocusAreas() > 0) {
841 availableKeys.add(CaptureRequest.CONTROL_AF_REGIONS);
844 CaptureRequest.Key<?> availableRequestKeys[] =
845 new CaptureRequest.Key<?>[availableKeys.size()];
846 availableKeys.toArray(availableRequestKeys);
847 m.set(REQUEST_AVAILABLE_REQUEST_KEYS, getTagsForKeys(availableRequestKeys));
851 * request.availableResultKeys
854 CaptureResult.Key<?> defaultAvailableKeys[] = new CaptureResult.Key<?>[] {
855 CaptureResult.COLOR_CORRECTION_ABERRATION_MODE ,
856 CaptureResult.CONTROL_AE_ANTIBANDING_MODE ,
857 CaptureResult.CONTROL_AE_EXPOSURE_COMPENSATION ,
858 CaptureResult.CONTROL_AE_LOCK ,
859 CaptureResult.CONTROL_AE_MODE ,
860 CaptureResult.CONTROL_AF_MODE ,
861 CaptureResult.CONTROL_AF_STATE ,
862 CaptureResult.CONTROL_AWB_MODE ,
863 CaptureResult.CONTROL_AWB_LOCK ,
864 CaptureResult.CONTROL_MODE ,
865 CaptureResult.FLASH_MODE ,
866 CaptureResult.JPEG_GPS_COORDINATES ,
867 CaptureResult.JPEG_GPS_PROCESSING_METHOD ,
868 CaptureResult.JPEG_GPS_TIMESTAMP ,
869 CaptureResult.JPEG_ORIENTATION ,
870 CaptureResult.JPEG_QUALITY ,
871 CaptureResult.JPEG_THUMBNAIL_QUALITY ,
872 CaptureResult.LENS_FOCAL_LENGTH ,
873 CaptureResult.NOISE_REDUCTION_MODE ,
874 CaptureResult.REQUEST_PIPELINE_DEPTH ,
875 CaptureResult.SCALER_CROP_REGION ,
876 CaptureResult.SENSOR_TIMESTAMP ,
877 CaptureResult.STATISTICS_FACE_DETECT_MODE ,
878 // CaptureResult.STATISTICS_FACES ,
880 List<CaptureResult.Key<?>> availableKeys =
881 new ArrayList<CaptureResult.Key<?>>(Arrays.asList(defaultAvailableKeys));
883 if (p.getMaxNumMeteringAreas() > 0) {
884 availableKeys.add(CaptureResult.CONTROL_AE_REGIONS);
886 if (p.getMaxNumFocusAreas() > 0) {
887 availableKeys.add(CaptureResult.CONTROL_AF_REGIONS);
890 CaptureResult.Key<?> availableResultKeys[] =
891 new CaptureResult.Key<?>[availableKeys.size()];
892 availableKeys.toArray(availableResultKeys);
893 m.set(REQUEST_AVAILABLE_RESULT_KEYS, getTagsForKeys(availableResultKeys));
897 * request.maxNumOutputStreams
899 int[] outputStreams = {
901 REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_RAW,
902 /* Processed & Not-Stalling */
903 REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC,
904 /* Processed & Stalling */
905 REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC_STALL,
907 m.set(REQUEST_MAX_NUM_OUTPUT_STREAMS, outputStreams);
910 * request.maxNumInputStreams
912 m.set(REQUEST_MAX_NUM_INPUT_STREAMS, REQUEST_MAX_NUM_INPUT_STREAMS_COUNT);
915 * request.partialResultCount
917 m.set(REQUEST_PARTIAL_RESULT_COUNT, 1); // No partial results supported
920 * request.pipelineMaxDepth
922 m.set(REQUEST_PIPELINE_MAX_DEPTH,
923 (byte)(REQUEST_PIPELINE_MAX_DEPTH_HAL1 + REQUEST_PIPELINE_MAX_DEPTH_OURS));
926 private static void mapScaler(CameraMetadataNative m, Parameters p) {
928 * scaler.availableMaxDigitalZoom
930 m.set(SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, ParameterUtils.getMaxZoomRatio(p));
933 * scaler.croppingType = CENTER_ONLY
935 m.set(SCALER_CROPPING_TYPE, SCALER_CROPPING_TYPE_CENTER_ONLY);
938 private static void mapSensor(CameraMetadataNative m, Parameters p) {
939 // Use the largest jpeg size (by area) for both active array and pixel array
940 Size largestJpegSize = getLargestSupportedJpegSizeByArea(p);
942 * sensor.info.activeArraySize
945 Rect activeArrayRect = ParamsUtils.createRect(largestJpegSize);
946 m.set(SENSOR_INFO_ACTIVE_ARRAY_SIZE, activeArrayRect);
950 * sensor.availableTestPatternModes
953 // Only "OFF" test pattern mode is available
954 m.set(SENSOR_AVAILABLE_TEST_PATTERN_MODES, new int[] { SENSOR_TEST_PATTERN_MODE_OFF });
958 * sensor.info.pixelArraySize
960 m.set(SENSOR_INFO_PIXEL_ARRAY_SIZE, largestJpegSize);
963 * sensor.info.physicalSize
967 * Assume focal length is at infinity focus and that the lens is rectilinear.
969 float focalLength = p.getFocalLength(); // in mm
970 double angleHor = p.getHorizontalViewAngle() * Math.PI / 180; // to radians
971 double angleVer = p.getVerticalViewAngle() * Math.PI / 180; // to radians
973 float height = (float)Math.abs(2 * focalLength * Math.tan(angleVer / 2));
974 float width = (float)Math.abs(2 * focalLength * Math.tan(angleHor / 2));
976 m.set(SENSOR_INFO_PHYSICAL_SIZE, new SizeF(width, height)); // in mm
980 * sensor.info.timestampSource
983 m.set(SENSOR_INFO_TIMESTAMP_SOURCE, SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN);
987 private static void mapStatistics(CameraMetadataNative m, Parameters p) {
989 * statistics.info.availableFaceDetectModes
993 if (p.getMaxNumDetectedFaces() > 0) {
994 fdModes = new int[] {
995 STATISTICS_FACE_DETECT_MODE_OFF,
996 STATISTICS_FACE_DETECT_MODE_SIMPLE
997 // FULL is never-listed, since we have no way to query it statically
1000 fdModes = new int[] {
1001 STATISTICS_FACE_DETECT_MODE_OFF
1004 m.set(STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, fdModes);
1007 * statistics.info.maxFaceCount
1009 m.set(STATISTICS_INFO_MAX_FACE_COUNT, p.getMaxNumDetectedFaces());
1012 private static void mapSync(CameraMetadataNative m, Parameters p) {
1016 m.set(SYNC_MAX_LATENCY, SYNC_MAX_LATENCY_UNKNOWN);
1019 private static void appendStreamConfig(
1020 ArrayList<StreamConfiguration> configs, int format, List<Camera.Size> sizes) {
1021 for (Camera.Size size : sizes) {
1022 StreamConfiguration config =
1023 new StreamConfiguration(format, size.width, size.height, /*input*/false);
1024 configs.add(config);
1028 private final static String[] sLegacySceneModes = {
1029 Parameters.SCENE_MODE_AUTO,
1030 Parameters.SCENE_MODE_ACTION,
1031 Parameters.SCENE_MODE_PORTRAIT,
1032 Parameters.SCENE_MODE_LANDSCAPE,
1033 Parameters.SCENE_MODE_NIGHT,
1034 Parameters.SCENE_MODE_NIGHT_PORTRAIT,
1035 Parameters.SCENE_MODE_THEATRE,
1036 Parameters.SCENE_MODE_BEACH,
1037 Parameters.SCENE_MODE_SNOW,
1038 Parameters.SCENE_MODE_SUNSET,
1039 Parameters.SCENE_MODE_STEADYPHOTO,
1040 Parameters.SCENE_MODE_FIREWORKS,
1041 Parameters.SCENE_MODE_SPORTS,
1042 Parameters.SCENE_MODE_PARTY,
1043 Parameters.SCENE_MODE_CANDLELIGHT,
1044 Parameters.SCENE_MODE_BARCODE,
1045 Parameters.SCENE_MODE_HDR,
1048 private final static int[] sSceneModes = {
1049 CameraCharacteristics.CONTROL_SCENE_MODE_DISABLED,
1050 CameraCharacteristics.CONTROL_SCENE_MODE_ACTION,
1051 CameraCharacteristics.CONTROL_SCENE_MODE_PORTRAIT,
1052 CameraCharacteristics.CONTROL_SCENE_MODE_LANDSCAPE,
1053 CameraCharacteristics.CONTROL_SCENE_MODE_NIGHT,
1054 CameraCharacteristics.CONTROL_SCENE_MODE_NIGHT_PORTRAIT,
1055 CameraCharacteristics.CONTROL_SCENE_MODE_THEATRE,
1056 CameraCharacteristics.CONTROL_SCENE_MODE_BEACH,
1057 CameraCharacteristics.CONTROL_SCENE_MODE_SNOW,
1058 CameraCharacteristics.CONTROL_SCENE_MODE_SUNSET,
1059 CameraCharacteristics.CONTROL_SCENE_MODE_STEADYPHOTO,
1060 CameraCharacteristics.CONTROL_SCENE_MODE_FIREWORKS,
1061 CameraCharacteristics.CONTROL_SCENE_MODE_SPORTS,
1062 CameraCharacteristics.CONTROL_SCENE_MODE_PARTY,
1063 CameraCharacteristics.CONTROL_SCENE_MODE_CANDLELIGHT,
1064 CameraCharacteristics.CONTROL_SCENE_MODE_BARCODE,
1065 CameraCharacteristics.CONTROL_SCENE_MODE_HDR,
1068 static int convertSceneModeFromLegacy(String mode) {
1070 return CameraCharacteristics.CONTROL_SCENE_MODE_DISABLED;
1072 int index = ArrayUtils.getArrayIndex(sLegacySceneModes, mode);
1074 return UNKNOWN_MODE;
1076 return sSceneModes[index];
1079 static String convertSceneModeToLegacy(int mode) {
1080 if (mode == CONTROL_SCENE_MODE_FACE_PRIORITY) {
1081 // OK: Let LegacyFaceDetectMapper handle turning face detection on/off
1082 return Parameters.SCENE_MODE_AUTO;
1085 int index = ArrayUtils.getArrayIndex(sSceneModes, mode);
1089 return sLegacySceneModes[index];
1092 private final static String[] sLegacyEffectMode = {
1093 Parameters.EFFECT_NONE,
1094 Parameters.EFFECT_MONO,
1095 Parameters.EFFECT_NEGATIVE,
1096 Parameters.EFFECT_SOLARIZE,
1097 Parameters.EFFECT_SEPIA,
1098 Parameters.EFFECT_POSTERIZE,
1099 Parameters.EFFECT_WHITEBOARD,
1100 Parameters.EFFECT_BLACKBOARD,
1101 Parameters.EFFECT_AQUA,
1104 private final static int[] sEffectModes = {
1105 CameraCharacteristics.CONTROL_EFFECT_MODE_OFF,
1106 CameraCharacteristics.CONTROL_EFFECT_MODE_MONO,
1107 CameraCharacteristics.CONTROL_EFFECT_MODE_NEGATIVE,
1108 CameraCharacteristics.CONTROL_EFFECT_MODE_SOLARIZE,
1109 CameraCharacteristics.CONTROL_EFFECT_MODE_SEPIA,
1110 CameraCharacteristics.CONTROL_EFFECT_MODE_POSTERIZE,
1111 CameraCharacteristics.CONTROL_EFFECT_MODE_WHITEBOARD,
1112 CameraCharacteristics.CONTROL_EFFECT_MODE_BLACKBOARD,
1113 CameraCharacteristics.CONTROL_EFFECT_MODE_AQUA,
1116 static int convertEffectModeFromLegacy(String mode) {
1118 return CameraCharacteristics.CONTROL_EFFECT_MODE_OFF;
1120 int index = ArrayUtils.getArrayIndex(sLegacyEffectMode, mode);
1122 return UNKNOWN_MODE;
1124 return sEffectModes[index];
1127 static String convertEffectModeToLegacy(int mode) {
1128 int index = ArrayUtils.getArrayIndex(sEffectModes, mode);
1132 return sLegacyEffectMode[index];
1136 * Convert the ae antibanding mode from api1 into api2.
1138 * @param mode the api1 mode, {@code null} is allowed and will return {@code -1}.
1140 * @return The api2 value, or {@code -1} by default if conversion failed
1142 private static int convertAntiBandingMode(String mode) {
1148 case Camera.Parameters.ANTIBANDING_OFF: {
1149 return CONTROL_AE_ANTIBANDING_MODE_OFF;
1151 case Camera.Parameters.ANTIBANDING_50HZ: {
1152 return CONTROL_AE_ANTIBANDING_MODE_50HZ;
1154 case Camera.Parameters.ANTIBANDING_60HZ: {
1155 return CONTROL_AE_ANTIBANDING_MODE_60HZ;
1157 case Camera.Parameters.ANTIBANDING_AUTO: {
1158 return CONTROL_AE_ANTIBANDING_MODE_AUTO;
1161 Log.w(TAG, "convertAntiBandingMode - Unknown antibanding mode " + mode);
1168 * Convert the ae antibanding mode from api1 into api2.
1170 * @param mode the api1 mode, {@code null} is allowed and will return {@code MODE_OFF}.
1172 * @return The api2 value, or {@code MODE_OFF} by default if conversion failed
1174 static int convertAntiBandingModeOrDefault(String mode) {
1175 int antiBandingMode = convertAntiBandingMode(mode);
1176 if (antiBandingMode == -1) {
1177 return CONTROL_AE_ANTIBANDING_MODE_OFF;
1180 return antiBandingMode;
1183 private static int[] convertAeFpsRangeToLegacy(Range<Integer> fpsRange) {
1184 int[] legacyFps = new int[2];
1185 legacyFps[Camera.Parameters.PREVIEW_FPS_MIN_INDEX] = fpsRange.getLower();
1186 legacyFps[Camera.Parameters.PREVIEW_FPS_MAX_INDEX] = fpsRange.getUpper();
1191 * Return the stall duration for a given output jpeg size in nanoseconds.
1193 * <p>An 8mp image is chosen to have a stall duration of 0.8 seconds.</p>
1195 private static long calculateJpegStallDuration(Camera.Size size) {
1196 long baseDuration = APPROXIMATE_CAPTURE_DELAY_MS * NS_PER_MS; // 200ms for capture
1197 long area = size.width * (long) size.height;
1198 long stallPerArea = APPROXIMATE_JPEG_ENCODE_TIME_MS * NS_PER_MS /
1199 APPROXIMATE_SENSOR_AREA_PX; // 600ms stall for 8mp
1200 return baseDuration + area * stallPerArea;
1204 * Set the legacy parameters using the {@link LegacyRequest legacy request}.
1206 * <p>The legacy request's parameters are changed as a side effect of calling this
1209 * @param request a non-{@code null} legacy request
1211 public static void convertRequestMetadata(LegacyRequest request) {
1212 LegacyRequestMapper.convertRequestMetadata(request);
1215 private static final int[] sAllowedTemplates = {
1216 CameraDevice.TEMPLATE_PREVIEW,
1217 CameraDevice.TEMPLATE_STILL_CAPTURE,
1218 CameraDevice.TEMPLATE_RECORD,
1219 // Disallowed templates in legacy mode:
1220 // CameraDevice.TEMPLATE_VIDEO_SNAPSHOT,
1221 // CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG,
1222 // CameraDevice.TEMPLATE_MANUAL
1226 * Create a request template
1228 * @param c a non-{@code null} camera characteristics for this camera
1229 * @param templateId a non-negative template ID
1231 * @return a non-{@code null} request template
1233 * @throws IllegalArgumentException if {@code templateId} was invalid
1235 * @see android.hardware.camera2.CameraDevice#TEMPLATE_MANUAL
1237 public static CameraMetadataNative createRequestTemplate(
1238 CameraCharacteristics c, int templateId) {
1239 if (!ArrayUtils.contains(sAllowedTemplates, templateId)) {
1240 throw new IllegalArgumentException("templateId out of range");
1243 CameraMetadataNative m = new CameraMetadataNative();
1246 * NOTE: If adding new code here and it needs to query the static info,
1247 * query the camera characteristics, so we can reuse this for api2 code later
1248 * to create our own templates in the framework
1256 m.set(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_AUTO);
1257 // AWB is always unconditionally available in API1 devices
1259 // control.aeAntibandingMode
1260 m.set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CONTROL_AE_ANTIBANDING_MODE_AUTO);
1262 // control.aeExposureCompensation
1263 m.set(CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION, 0);
1266 m.set(CaptureRequest.CONTROL_AE_LOCK, false);
1268 // control.aePrecaptureTrigger
1269 m.set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CONTROL_AE_PRECAPTURE_TRIGGER_IDLE);
1271 // control.afTrigger
1272 m.set(CaptureRequest.CONTROL_AF_TRIGGER, CONTROL_AF_TRIGGER_IDLE);
1275 m.set(CaptureRequest.CONTROL_AWB_MODE, CONTROL_AWB_MODE_AUTO);
1278 m.set(CaptureRequest.CONTROL_AWB_LOCK, false);
1280 // control.aeRegions, control.awbRegions, control.afRegions
1282 Rect activeArray = c.get(SENSOR_INFO_ACTIVE_ARRAY_SIZE);
1283 MeteringRectangle[] activeRegions = new MeteringRectangle[] {
1284 new MeteringRectangle(/*x*/0, /*y*/0, /*width*/activeArray.width() - 1,
1285 /*height*/activeArray.height() - 1,/*weight*/0)};
1286 m.set(CaptureRequest.CONTROL_AE_REGIONS, activeRegions);
1287 m.set(CaptureRequest.CONTROL_AWB_REGIONS, activeRegions);
1288 m.set(CaptureRequest.CONTROL_AF_REGIONS, activeRegions);
1291 // control.captureIntent
1294 switch (templateId) {
1295 case CameraDevice.TEMPLATE_PREVIEW:
1296 captureIntent = CONTROL_CAPTURE_INTENT_PREVIEW;
1298 case CameraDevice.TEMPLATE_STILL_CAPTURE:
1299 captureIntent = CONTROL_CAPTURE_INTENT_STILL_CAPTURE;
1301 case CameraDevice.TEMPLATE_RECORD:
1302 captureIntent = CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
1305 // Can't get anything else since it's guarded by the IAE check
1306 throw new AssertionError("Impossible; keep in sync with sAllowedTemplates");
1308 m.set(CaptureRequest.CONTROL_CAPTURE_INTENT, captureIntent);
1312 m.set(CaptureRequest.CONTROL_AE_MODE, CameraMetadata.CONTROL_AE_MODE_ON);
1313 // AE is always unconditionally available in API1 devices
1316 m.set(CaptureRequest.CONTROL_MODE, CONTROL_MODE_AUTO);
1320 Float minimumFocusDistance = c.get(LENS_INFO_MINIMUM_FOCUS_DISTANCE);
1323 if (minimumFocusDistance != null &&
1324 minimumFocusDistance == LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS) {
1325 // Cannot control auto-focus with fixed-focus cameras
1326 afMode = CameraMetadata.CONTROL_AF_MODE_OFF;
1328 // If a minimum focus distance is reported; the camera must have AF
1329 afMode = CameraMetadata.CONTROL_AF_MODE_AUTO;
1331 if (templateId == CameraDevice.TEMPLATE_RECORD ||
1332 templateId == CameraDevice.TEMPLATE_VIDEO_SNAPSHOT) {
1333 if (ArrayUtils.contains(c.get(CONTROL_AF_AVAILABLE_MODES),
1334 CONTROL_AF_MODE_CONTINUOUS_VIDEO)) {
1335 afMode = CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_VIDEO;
1337 } else if (templateId == CameraDevice.TEMPLATE_PREVIEW ||
1338 templateId == CameraDevice.TEMPLATE_STILL_CAPTURE) {
1339 if (ArrayUtils.contains(c.get(CONTROL_AF_AVAILABLE_MODES),
1340 CONTROL_AF_MODE_CONTINUOUS_PICTURE)) {
1341 afMode = CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE;
1347 Log.v(TAG, "createRequestTemplate (templateId=" + templateId + ")," +
1348 " afMode=" + afMode + ", minimumFocusDistance=" + minimumFocusDistance);
1351 m.set(CaptureRequest.CONTROL_AF_MODE, afMode);
1355 // control.aeTargetFpsRange
1356 Range<Integer>[] availableFpsRange = c.
1357 get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
1359 // Pick FPS range with highest max value, tiebreak on higher min value
1360 Range<Integer> bestRange = availableFpsRange[0];
1361 for (Range<Integer> r : availableFpsRange) {
1362 if (bestRange.getUpper() < r.getUpper()) {
1364 } else if (bestRange.getUpper() == r.getUpper() &&
1365 bestRange.getLower() < r.getLower()) {
1369 m.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, bestRange);
1372 // control.sceneMode -- DISABLED is always available
1373 m.set(CaptureRequest.CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_DISABLED);
1379 // statistics.faceDetectMode
1380 m.set(CaptureRequest.STATISTICS_FACE_DETECT_MODE, STATISTICS_FACE_DETECT_MODE_OFF);
1387 m.set(CaptureRequest.FLASH_MODE, FLASH_MODE_OFF);
1392 m.set(CaptureRequest.NOISE_REDUCTION_MODE, NOISE_REDUCTION_MODE_FAST);
1399 m.set(CaptureRequest.LENS_FOCAL_LENGTH,
1400 c.get(CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS)[0]);
1406 // jpeg.thumbnailSize - set smallest non-zero size if possible
1407 Size[] sizes = c.get(CameraCharacteristics.JPEG_AVAILABLE_THUMBNAIL_SIZES);
1408 m.set(CaptureRequest.JPEG_THUMBNAIL_SIZE, (sizes.length > 1) ? sizes[1] : sizes[0]);
1410 // TODO: map other request template values
1414 private static int[] getTagsForKeys(Key<?>[] keys) {
1415 int[] tags = new int[keys.length];
1417 for (int i = 0; i < keys.length; ++i) {
1418 tags[i] = keys[i].getNativeKey().getTag();
1424 private static int[] getTagsForKeys(CaptureRequest.Key<?>[] keys) {
1425 int[] tags = new int[keys.length];
1427 for (int i = 0; i < keys.length; ++i) {
1428 tags[i] = keys[i].getNativeKey().getTag();
1434 private static int[] getTagsForKeys(CaptureResult.Key<?>[] keys) {
1435 int[] tags = new int[keys.length];
1437 for (int i = 0; i < keys.length; ++i) {
1438 tags[i] = keys[i].getNativeKey().getTag();
1445 * Convert the requested AF mode into its equivalent supported parameter.
1447 * @param mode {@code CONTROL_AF_MODE}
1448 * @param supportedFocusModes list of camera1's supported focus modes
1449 * @return the stringified af mode, or {@code null} if its not supported
1451 static String convertAfModeToLegacy(int mode, List<String> supportedFocusModes) {
1452 if (supportedFocusModes == null || supportedFocusModes.isEmpty()) {
1453 Log.w(TAG, "No focus modes supported; API1 bug");
1457 String param = null;
1459 case CONTROL_AF_MODE_AUTO:
1460 param = Parameters.FOCUS_MODE_AUTO;
1462 case CONTROL_AF_MODE_CONTINUOUS_PICTURE:
1463 param = Parameters.FOCUS_MODE_CONTINUOUS_PICTURE;
1465 case CONTROL_AF_MODE_CONTINUOUS_VIDEO:
1466 param = Parameters.FOCUS_MODE_CONTINUOUS_VIDEO;
1468 case CONTROL_AF_MODE_EDOF:
1469 param = Parameters.FOCUS_MODE_EDOF;
1471 case CONTROL_AF_MODE_MACRO:
1472 param = Parameters.FOCUS_MODE_MACRO;
1474 case CONTROL_AF_MODE_OFF:
1475 if (supportedFocusModes.contains(Parameters.FOCUS_MODE_FIXED)) {
1476 param = Parameters.FOCUS_MODE_FIXED;
1478 param = Parameters.FOCUS_MODE_INFINITY;
1482 if (!supportedFocusModes.contains(param)) {
1483 // Weed out bad user input by setting to the first arbitrary focus mode
1484 String defaultMode = supportedFocusModes.get(0);
1487 "convertAfModeToLegacy - ignoring unsupported mode %d, " +
1488 "defaulting to %s", mode, defaultMode));
1489 param = defaultMode;