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.Comparator;
46 import java.util.List;
48 import static com.android.internal.util.Preconditions.*;
49 import static android.hardware.camera2.CameraCharacteristics.*;
50 import static android.hardware.camera2.legacy.ParameterUtils.*;
53 * Provide legacy-specific implementations of camera2 metadata for legacy devices, such as the
54 * camera characteristics.
56 @SuppressWarnings("deprecation")
57 public class LegacyMetadataMapper {
58 private static final String TAG = "LegacyMetadataMapper";
59 private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE);
61 private static final long NS_PER_MS = 1000000;
64 public static final int HAL_PIXEL_FORMAT_RGBA_8888 = PixelFormat.RGBA_8888;
65 public static final int HAL_PIXEL_FORMAT_BGRA_8888 = 0x5;
66 public static final int HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED = 0x22;
67 public static final int HAL_PIXEL_FORMAT_BLOB = 0x21;
70 private static final float LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS = 0.0f;
72 private static final int REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_RAW = 0; // no raw support
73 private static final int REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC = 3; // preview, video, cb
74 private static final int REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC_STALL = 1; // 1 jpeg only
75 private static final int REQUEST_MAX_NUM_INPUT_STREAMS_COUNT = 0; // no reprocessing
77 /** Assume 3 HAL1 stages: Exposure, Read-out, Post-Processing */
78 private static final int REQUEST_PIPELINE_MAX_DEPTH_HAL1 = 3;
79 /** Assume 3 shim stages: Preview input, Split output, Format conversion for output */
80 private static final int REQUEST_PIPELINE_MAX_DEPTH_OURS = 3;
81 /* TODO: Update above maxDepth values once we do more performance measurements */
83 // For approximating JPEG stall durations
84 private static final long APPROXIMATE_CAPTURE_DELAY_MS = 200; // 200 milliseconds
85 private static final long APPROXIMATE_SENSOR_AREA_PX = (1 << 23); // 8 megapixels
86 private static final long APPROXIMATE_JPEG_ENCODE_TIME_MS = 600; // 600 milliseconds
88 static final int UNKNOWN_MODE = -1;
90 // Maximum difference between a preview size aspect ratio and a jpeg size aspect ratio
91 private static final float PREVIEW_ASPECT_RATIO_TOLERANCE = 0.01f;
94 * Development hijinks: Lie about not supporting certain capabilities
96 * - Unblock some CTS tests from running whose main intent is not the metadata itself
98 * TODO: Remove these constants and strip out any code that previously relied on them
101 static final boolean LIE_ABOUT_AE_STATE = false;
102 static final boolean LIE_ABOUT_AE_MAX_REGIONS = false;
103 static final boolean LIE_ABOUT_AF = false;
104 static final boolean LIE_ABOUT_AF_MAX_REGIONS = false;
105 static final boolean LIE_ABOUT_AWB_STATE = false;
106 static final boolean LIE_ABOUT_AWB = false;
110 * Create characteristics for a legacy device by mapping the {@code parameters}
113 * @param parameters A non-{@code null} parameters set
114 * @param info Camera info with camera facing direction and angle of orientation
116 * @return static camera characteristics for a camera device
118 * @throws NullPointerException if any of the args were {@code null}
120 public static CameraCharacteristics createCharacteristics(Camera.Parameters parameters,
122 checkNotNull(parameters, "parameters must not be null");
123 checkNotNull(info, "info must not be null");
125 String paramStr = parameters.flatten();
126 android.hardware.CameraInfo outerInfo = new android.hardware.CameraInfo();
127 outerInfo.info = info;
129 return createCharacteristics(paramStr, outerInfo);
133 * Create characteristics for a legacy device by mapping the {@code parameters}
136 * @param parameters A string parseable by {@link Camera.Parameters#unflatten}
137 * @param info Camera info with camera facing direction and angle of orientation
138 * @return static camera characteristics for a camera device
140 * @throws NullPointerException if any of the args were {@code null}
142 public static CameraCharacteristics createCharacteristics(String parameters,
143 android.hardware.CameraInfo info) {
144 checkNotNull(parameters, "parameters must not be null");
145 checkNotNull(info, "info must not be null");
146 checkNotNull(info.info, "info.info must not be null");
148 CameraMetadataNative m = new CameraMetadataNative();
150 mapCharacteristicsFromInfo(m, info.info);
152 Camera.Parameters params = Camera.getEmptyParameters();
153 params.unflatten(parameters);
154 mapCharacteristicsFromParameters(m, params);
157 Log.v(TAG, "createCharacteristics metadata:");
158 Log.v(TAG, "--------------------------------------------------- (start)");
160 Log.v(TAG, "--------------------------------------------------- (end)");
163 return new CameraCharacteristics(m);
166 private static void mapCharacteristicsFromInfo(CameraMetadataNative m, CameraInfo i) {
167 m.set(LENS_FACING, i.facing == CameraInfo.CAMERA_FACING_BACK ?
168 LENS_FACING_BACK : LENS_FACING_FRONT);
169 m.set(SENSOR_ORIENTATION, i.orientation);
172 private static void mapCharacteristicsFromParameters(CameraMetadataNative m,
173 Camera.Parameters p) {
178 m.set(COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES,
179 new int[] { COLOR_CORRECTION_ABERRATION_MODE_FAST });
194 * - Anything that doesn't have a set of related fields
196 mapControlOther(m, p);
213 m.set(NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES,
214 new int[] { NOISE_REDUCTION_MODE_FAST });
237 * info.supportedHardwareLevel
239 m.set(INFO_SUPPORTED_HARDWARE_LEVEL, INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY);
242 * scaler.availableStream*, scaler.available*Durations, sensor.info.maxFrameDuration
244 mapScalerStreamConfigs(m, p);
246 // Order matters below: Put this last so that we can read the metadata set previously
255 private static void mapScalerStreamConfigs(CameraMetadataNative m, Camera.Parameters p) {
257 ArrayList<StreamConfiguration> availableStreamConfigs = new ArrayList<>();
259 * Implementation-defined (preview, recording, etc) -> use camera1 preview sizes
260 * YUV_420_888 cpu callbacks -> use camera1 preview sizes
261 * Other preview callbacks (CPU) -> use camera1 preview sizes
262 * JPEG still capture -> use camera1 still capture sizes
264 * Use platform-internal format constants here, since StreamConfigurationMap does the
265 * remapping to public format constants.
267 List<Camera.Size> previewSizes = p.getSupportedPreviewSizes();
268 List<Camera.Size> jpegSizes = p.getSupportedPictureSizes();
270 * Work-around for b/17589233:
271 * - Some HALs's largest preview size aspect ratio does not match the largest JPEG size AR
272 * - This causes a large amount of problems with focus/metering because it's relative to
273 * preview, making the difference between the JPEG and preview viewport inaccessible
274 * - This boils down to metering or focusing areas being "arbitrarily" cropped
275 * in the capture result.
276 * - Work-around the HAL limitations by removing all of the largest preview sizes
277 * until we get one with the same aspect ratio as the jpeg size.
280 SizeAreaComparator areaComparator = new SizeAreaComparator();
282 // Sort preview to min->max
283 Collections.sort(previewSizes, areaComparator);
285 Camera.Size maxJpegSize = SizeAreaComparator.findLargestByArea(jpegSizes);
286 float jpegAspectRatio = maxJpegSize.width * 1.0f / maxJpegSize.height;
289 Log.v(TAG, String.format("mapScalerStreamConfigs - largest JPEG area %dx%d, AR=%f",
290 maxJpegSize.width, maxJpegSize.height, jpegAspectRatio));
293 // Now remove preview sizes from the end (largest->smallest) until aspect ratio matches
294 while (!previewSizes.isEmpty()) {
295 int index = previewSizes.size() - 1; // max is always at the end
296 Camera.Size size = previewSizes.get(index);
298 float previewAspectRatio = size.width * 1.0f / size.height;
300 if (Math.abs(jpegAspectRatio - previewAspectRatio) >=
301 PREVIEW_ASPECT_RATIO_TOLERANCE) {
302 previewSizes.remove(index); // Assume removing from end is O(1)
305 Log.v(TAG, String.format(
306 "mapScalerStreamConfigs - removed preview size %dx%d, AR=%f "
307 + "was not the same",
308 size.width, size.height, previewAspectRatio));
315 if (previewSizes.isEmpty()) {
316 // Fall-back to the original faulty behavior, but at least work
317 Log.w(TAG, "mapScalerStreamConfigs - failed to find any preview size matching " +
318 "JPEG aspect ratio " + jpegAspectRatio);
319 previewSizes = p.getSupportedPreviewSizes();
322 // Sort again, this time in descending order max->min
323 Collections.sort(previewSizes, Collections.reverseOrder(areaComparator));
326 appendStreamConfig(availableStreamConfigs,
327 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, previewSizes);
328 appendStreamConfig(availableStreamConfigs,
329 ImageFormat.YUV_420_888, previewSizes);
330 for (int format : p.getSupportedPreviewFormats()) {
331 if (ImageFormat.isPublicFormat(format)) {
332 appendStreamConfig(availableStreamConfigs, format, previewSizes);
335 * Do not add any formats unknown to us
336 * (since it would fail runtime checks in StreamConfigurationMap)
339 String.format("mapStreamConfigs - Skipping non-public format %x", format));
343 appendStreamConfig(availableStreamConfigs,
344 HAL_PIXEL_FORMAT_BLOB, p.getSupportedPictureSizes());
346 * scaler.availableStreamConfigurations
348 m.set(SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
349 availableStreamConfigs.toArray(new StreamConfiguration[0]));
352 * scaler.availableMinFrameDurations
354 // No frame durations available
355 m.set(SCALER_AVAILABLE_MIN_FRAME_DURATIONS, new StreamConfigurationDuration[0]);
357 StreamConfigurationDuration[] jpegStalls =
358 new StreamConfigurationDuration[jpegSizes.size()];
360 long longestStallDuration = -1;
361 for (Camera.Size s : jpegSizes) {
362 long stallDuration = calculateJpegStallDuration(s);
363 jpegStalls[i++] = new StreamConfigurationDuration(HAL_PIXEL_FORMAT_BLOB, s.width,
364 s.height, stallDuration);
365 if (longestStallDuration < stallDuration) {
366 longestStallDuration = stallDuration;
370 * scaler.availableStallDurations
372 // Set stall durations for jpeg, other formats use default stall duration
373 m.set(SCALER_AVAILABLE_STALL_DURATIONS, jpegStalls);
376 * sensor.info.maxFrameDuration
378 m.set(SENSOR_INFO_MAX_FRAME_DURATION, longestStallDuration);
381 @SuppressWarnings({"unchecked"})
382 private static void mapControlAe(CameraMetadataNative m, Camera.Parameters p) {
384 * control.aeAvailableAntiBandingModes
386 List<String> antiBandingModes = p.getSupportedAntibanding();
387 if (antiBandingModes != null && antiBandingModes.size() > 0) { // antibanding is optional
388 int[] modes = new int[antiBandingModes.size()];
390 for (String mode : antiBandingModes) {
391 int convertedMode = convertAntiBandingMode(mode);
392 if (convertedMode == -1) {
393 Log.w(TAG, "Antibanding mode " + ((mode == null) ? "NULL" : mode) +
394 " not supported, skipping...");
396 modes[j++] = convertedMode;
399 m.set(CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, Arrays.copyOf(modes, j));
401 m.set(CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, new int[0]);
405 * control.aeAvailableTargetFpsRanges
408 List<int[]> fpsRanges = p.getSupportedPreviewFpsRange();
409 if (fpsRanges == null) {
410 throw new AssertionError("Supported FPS ranges cannot be null.");
412 int rangesSize = fpsRanges.size();
413 if (rangesSize <= 0) {
414 throw new AssertionError("At least one FPS range must be supported.");
416 Range<Integer>[] ranges = new Range[rangesSize];
418 for (int[] r : fpsRanges) {
419 ranges[i++] = Range.create(r[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
420 r[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
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));
480 @SuppressWarnings({"unchecked"})
481 private static void mapControlAf(CameraMetadataNative m, Camera.Parameters p) {
483 * control.afAvailableModes
486 List<String> focusModes = p.getSupportedFocusModes();
488 String[] focusModeStrings = new String[] {
489 Camera.Parameters.FOCUS_MODE_AUTO,
490 Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE,
491 Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO,
492 Camera.Parameters.FOCUS_MODE_EDOF,
493 Camera.Parameters.FOCUS_MODE_INFINITY,
494 Camera.Parameters.FOCUS_MODE_MACRO,
495 Camera.Parameters.FOCUS_MODE_FIXED,
498 int[] focusModeInts = new int[] {
499 CONTROL_AF_MODE_AUTO,
500 CONTROL_AF_MODE_CONTINUOUS_PICTURE,
501 CONTROL_AF_MODE_CONTINUOUS_VIDEO,
502 CONTROL_AF_MODE_EDOF,
504 CONTROL_AF_MODE_MACRO,
508 List<Integer> afAvail = ArrayUtils.convertStringListToIntList(
509 focusModes, focusModeStrings, focusModeInts);
511 // No AF modes supported? That's unpossible!
512 if (afAvail == null || afAvail.size() == 0) {
513 Log.w(TAG, "No AF modes supported (HAL bug); defaulting to AF_MODE_OFF only");
514 afAvail = new ArrayList<Integer>(/*capacity*/1);
515 afAvail.add(CONTROL_AF_MODE_OFF);
518 m.set(CONTROL_AF_AVAILABLE_MODES, ArrayUtils.toIntArray(afAvail));
521 Log.v(TAG, "mapControlAf - control.afAvailableModes set to " +
522 ListUtils.listToString(afAvail));
527 private static void mapControlAwb(CameraMetadataNative m, Camera.Parameters p) {
529 * control.awbAvailableModes
533 List<String> wbModes = p.getSupportedWhiteBalance();
535 String[] wbModeStrings = new String[] {
536 Camera.Parameters.WHITE_BALANCE_AUTO ,
537 Camera.Parameters.WHITE_BALANCE_INCANDESCENT ,
538 Camera.Parameters.WHITE_BALANCE_FLUORESCENT ,
539 Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT ,
540 Camera.Parameters.WHITE_BALANCE_DAYLIGHT ,
541 Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT ,
542 Camera.Parameters.WHITE_BALANCE_TWILIGHT ,
543 Camera.Parameters.WHITE_BALANCE_SHADE ,
546 int[] wbModeInts = new int[] {
547 CONTROL_AWB_MODE_AUTO,
548 CONTROL_AWB_MODE_INCANDESCENT ,
549 CONTROL_AWB_MODE_FLUORESCENT ,
550 CONTROL_AWB_MODE_WARM_FLUORESCENT ,
551 CONTROL_AWB_MODE_DAYLIGHT ,
552 CONTROL_AWB_MODE_CLOUDY_DAYLIGHT ,
553 CONTROL_AWB_MODE_TWILIGHT ,
554 CONTROL_AWB_MODE_SHADE ,
555 // Note that CONTROL_AWB_MODE_OFF is unsupported
558 List<Integer> awbAvail = ArrayUtils.convertStringListToIntList(
559 wbModes, wbModeStrings, wbModeInts);
561 // No AWB modes supported? That's unpossible!
562 if (awbAvail == null || awbAvail.size() == 0) {
563 Log.w(TAG, "No AWB modes supported (HAL bug); defaulting to AWB_MODE_AUTO only");
564 awbAvail = new ArrayList<Integer>(/*capacity*/1);
565 awbAvail.add(CONTROL_AWB_MODE_AUTO);
568 m.set(CONTROL_AWB_AVAILABLE_MODES, ArrayUtils.toIntArray(awbAvail));
571 Log.v(TAG, "mapControlAwb - control.awbAvailableModes set to " +
572 ListUtils.listToString(awbAvail));
577 private static void mapControlOther(CameraMetadataNative m, Camera.Parameters p) {
579 * android.control.availableVideoStabilizationModes
582 int stabModes[] = p.isVideoStabilizationSupported() ?
583 new int[] { CONTROL_VIDEO_STABILIZATION_MODE_OFF,
584 CONTROL_VIDEO_STABILIZATION_MODE_ON } :
585 new int[] { CONTROL_VIDEO_STABILIZATION_MODE_OFF };
587 m.set(CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, stabModes);
591 * android.control.maxRegions
593 final int AE = 0, AWB = 1, AF = 2;
595 int[] maxRegions = new int[3];
596 maxRegions[AE] = p.getMaxNumMeteringAreas();
597 maxRegions[AWB] = 0; // AWB regions not supported in API1
598 maxRegions[AF] = p.getMaxNumFocusAreas();
600 if (LIE_ABOUT_AE_MAX_REGIONS) {
603 if (LIE_ABOUT_AF_MAX_REGIONS) {
607 m.set(CONTROL_MAX_REGIONS, maxRegions);
610 * android.control.availableEffects
612 List<String> effectModes = p.getSupportedColorEffects();
613 int[] supportedEffectModes = (effectModes == null) ? new int[0] :
614 ArrayUtils.convertStringListToIntArray(effectModes, sLegacyEffectMode,
616 m.set(CONTROL_AVAILABLE_EFFECTS, supportedEffectModes);
619 * android.control.availableSceneModes
621 List<String> sceneModes = p.getSupportedSceneModes();
622 List<Integer> supportedSceneModes =
623 ArrayUtils.convertStringListToIntList(sceneModes, sLegacySceneModes, sSceneModes);
624 if (supportedSceneModes == null) { // camera1 doesn't support scene mode settings
625 supportedSceneModes = new ArrayList<Integer>();
626 supportedSceneModes.add(CONTROL_SCENE_MODE_DISABLED); // disabled is always available
628 if (p.getMaxNumDetectedFaces() > 0) { // always supports FACE_PRIORITY when face detecting
629 supportedSceneModes.add(CONTROL_SCENE_MODE_FACE_PRIORITY);
631 m.set(CONTROL_AVAILABLE_SCENE_MODES, ArrayUtils.toIntArray(supportedSceneModes));
634 private static void mapLens(CameraMetadataNative m, Camera.Parameters p) {
636 * We can tell if the lens is fixed focus;
637 * but if it's not, we can't tell the minimum focus distance, so leave it null then.
640 Log.v(TAG, "mapLens - focus-mode='" + p.getFocusMode() + "'");
643 if (Camera.Parameters.FOCUS_MODE_FIXED.equals(p.getFocusMode())) {
645 * lens.info.minimumFocusDistance
647 m.set(LENS_INFO_MINIMUM_FOCUS_DISTANCE, LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS);
650 Log.v(TAG, "mapLens - lens.info.minimumFocusDistance = 0");
654 Log.v(TAG, "mapLens - lens.info.minimumFocusDistance is unknown");
658 float[] focalLengths = new float[] { p.getFocalLength() };
659 m.set(LENS_INFO_AVAILABLE_FOCAL_LENGTHS, focalLengths);
662 private static void mapFlash(CameraMetadataNative m, Camera.Parameters p) {
663 boolean flashAvailable = false;
664 List<String> supportedFlashModes = p.getSupportedFlashModes();
666 if (supportedFlashModes != null) {
667 // If only 'OFF' is available, we don't really have flash support
668 flashAvailable = !ListUtils.listElementsEqualTo(
669 supportedFlashModes, Camera.Parameters.FLASH_MODE_OFF);
673 * flash.info.available
675 m.set(FLASH_INFO_AVAILABLE, flashAvailable);
678 private static void mapJpeg(CameraMetadataNative m, Camera.Parameters p) {
679 List<Camera.Size> thumbnailSizes = p.getSupportedJpegThumbnailSizes();
681 if (thumbnailSizes != null) {
682 Size[] sizes = convertSizeListToArray(thumbnailSizes);
683 Arrays.sort(sizes, new android.hardware.camera2.utils.SizeAreaComparator());
684 m.set(JPEG_AVAILABLE_THUMBNAIL_SIZES, sizes);
688 private static void mapRequest(CameraMetadataNative m, Parameters p) {
690 * request.availableCapabilities
692 int[] capabilities = { REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE };
693 m.set(REQUEST_AVAILABLE_CAPABILITIES, capabilities);
696 * request.availableCharacteristicsKeys
699 // TODO: check if the underlying key is supported before listing a key as available
701 // Note: We only list public keys. Native HALs should list ALL keys regardless of visibility.
703 Key<?> availableKeys[] = new Key<?>[] {
704 CameraCharacteristics.COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES ,
705 CameraCharacteristics.CONTROL_AE_AVAILABLE_ANTIBANDING_MODES ,
706 CameraCharacteristics.CONTROL_AE_AVAILABLE_MODES ,
707 CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES ,
708 CameraCharacteristics.CONTROL_AE_COMPENSATION_RANGE ,
709 CameraCharacteristics.CONTROL_AE_COMPENSATION_STEP ,
710 CameraCharacteristics.CONTROL_AF_AVAILABLE_MODES ,
711 CameraCharacteristics.CONTROL_AVAILABLE_EFFECTS ,
712 CameraCharacteristics.CONTROL_AVAILABLE_SCENE_MODES ,
713 CameraCharacteristics.CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES ,
714 CameraCharacteristics.CONTROL_AWB_AVAILABLE_MODES ,
715 CameraCharacteristics.CONTROL_MAX_REGIONS ,
716 CameraCharacteristics.FLASH_INFO_AVAILABLE ,
717 CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL ,
718 CameraCharacteristics.JPEG_AVAILABLE_THUMBNAIL_SIZES ,
719 CameraCharacteristics.LENS_FACING ,
720 CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS ,
721 CameraCharacteristics.NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES ,
722 CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES ,
723 CameraCharacteristics.REQUEST_MAX_NUM_OUTPUT_STREAMS ,
724 CameraCharacteristics.REQUEST_PARTIAL_RESULT_COUNT ,
725 CameraCharacteristics.REQUEST_PIPELINE_MAX_DEPTH ,
726 CameraCharacteristics.SCALER_AVAILABLE_MAX_DIGITAL_ZOOM ,
727 // CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP ,
728 CameraCharacteristics.SCALER_CROPPING_TYPE ,
729 CameraCharacteristics.SENSOR_AVAILABLE_TEST_PATTERN_MODES ,
730 CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE ,
731 CameraCharacteristics.SENSOR_INFO_PHYSICAL_SIZE ,
732 CameraCharacteristics.SENSOR_INFO_PIXEL_ARRAY_SIZE ,
733 CameraCharacteristics.SENSOR_INFO_TIMESTAMP_SOURCE ,
734 CameraCharacteristics.SENSOR_ORIENTATION ,
735 CameraCharacteristics.STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES ,
736 CameraCharacteristics.STATISTICS_INFO_MAX_FACE_COUNT ,
737 CameraCharacteristics.SYNC_MAX_LATENCY ,
739 List<Key<?>> characteristicsKeys = new ArrayList<>(Arrays.asList(availableKeys));
742 * Add the conditional keys
744 if (m.get(LENS_INFO_MINIMUM_FOCUS_DISTANCE) != null) {
745 characteristicsKeys.add(LENS_INFO_MINIMUM_FOCUS_DISTANCE);
748 m.set(REQUEST_AVAILABLE_CHARACTERISTICS_KEYS,
749 getTagsForKeys(characteristicsKeys.toArray(new Key<?>[0])));
753 * request.availableRequestKeys
756 CaptureRequest.Key<?> defaultAvailableKeys[] = new CaptureRequest.Key<?>[] {
757 CaptureRequest.COLOR_CORRECTION_ABERRATION_MODE,
758 CaptureRequest.CONTROL_AE_ANTIBANDING_MODE,
759 CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION,
760 CaptureRequest.CONTROL_AE_LOCK,
761 CaptureRequest.CONTROL_AE_MODE,
762 CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE,
763 CaptureRequest.CONTROL_AF_MODE,
764 CaptureRequest.CONTROL_AF_TRIGGER,
765 CaptureRequest.CONTROL_AWB_LOCK,
766 CaptureRequest.CONTROL_AWB_MODE,
767 CaptureRequest.CONTROL_CAPTURE_INTENT,
768 CaptureRequest.CONTROL_EFFECT_MODE,
769 CaptureRequest.CONTROL_MODE,
770 CaptureRequest.CONTROL_SCENE_MODE,
771 CaptureRequest.CONTROL_VIDEO_STABILIZATION_MODE,
772 CaptureRequest.FLASH_MODE,
773 CaptureRequest.JPEG_GPS_COORDINATES,
774 CaptureRequest.JPEG_GPS_PROCESSING_METHOD,
775 CaptureRequest.JPEG_GPS_TIMESTAMP,
776 CaptureRequest.JPEG_ORIENTATION,
777 CaptureRequest.JPEG_QUALITY,
778 CaptureRequest.JPEG_THUMBNAIL_QUALITY,
779 CaptureRequest.JPEG_THUMBNAIL_SIZE,
780 CaptureRequest.LENS_FOCAL_LENGTH,
781 CaptureRequest.NOISE_REDUCTION_MODE,
782 CaptureRequest.SCALER_CROP_REGION,
783 CaptureRequest.STATISTICS_FACE_DETECT_MODE,
785 ArrayList<CaptureRequest.Key<?>> availableKeys =
786 new ArrayList<CaptureRequest.Key<?>>(Arrays.asList(defaultAvailableKeys));
788 if (p.getMaxNumMeteringAreas() > 0) {
789 availableKeys.add(CaptureRequest.CONTROL_AE_REGIONS);
791 if (p.getMaxNumFocusAreas() > 0) {
792 availableKeys.add(CaptureRequest.CONTROL_AF_REGIONS);
795 CaptureRequest.Key<?> availableRequestKeys[] =
796 new CaptureRequest.Key<?>[availableKeys.size()];
797 availableKeys.toArray(availableRequestKeys);
798 m.set(REQUEST_AVAILABLE_REQUEST_KEYS, getTagsForKeys(availableRequestKeys));
802 * request.availableResultKeys
805 CaptureResult.Key<?> defaultAvailableKeys[] = new CaptureResult.Key<?>[] {
806 CaptureResult.COLOR_CORRECTION_ABERRATION_MODE ,
807 CaptureResult.CONTROL_AE_ANTIBANDING_MODE ,
808 CaptureResult.CONTROL_AE_EXPOSURE_COMPENSATION ,
809 CaptureResult.CONTROL_AE_LOCK ,
810 CaptureResult.CONTROL_AE_MODE ,
811 CaptureResult.CONTROL_AF_MODE ,
812 CaptureResult.CONTROL_AF_STATE ,
813 CaptureResult.CONTROL_AWB_MODE ,
814 CaptureResult.CONTROL_AWB_LOCK ,
815 CaptureResult.CONTROL_MODE ,
816 CaptureResult.FLASH_MODE ,
817 CaptureResult.JPEG_GPS_COORDINATES ,
818 CaptureResult.JPEG_GPS_PROCESSING_METHOD ,
819 CaptureResult.JPEG_GPS_TIMESTAMP ,
820 CaptureResult.JPEG_ORIENTATION ,
821 CaptureResult.JPEG_QUALITY ,
822 CaptureResult.JPEG_THUMBNAIL_QUALITY ,
823 CaptureResult.LENS_FOCAL_LENGTH ,
824 CaptureResult.NOISE_REDUCTION_MODE ,
825 CaptureResult.REQUEST_PIPELINE_DEPTH ,
826 CaptureResult.SCALER_CROP_REGION ,
827 CaptureResult.SENSOR_TIMESTAMP ,
828 CaptureResult.STATISTICS_FACE_DETECT_MODE ,
829 // CaptureResult.STATISTICS_FACES ,
831 List<CaptureResult.Key<?>> availableKeys =
832 new ArrayList<CaptureResult.Key<?>>(Arrays.asList(defaultAvailableKeys));
834 if (p.getMaxNumMeteringAreas() > 0) {
835 availableKeys.add(CaptureResult.CONTROL_AE_REGIONS);
837 if (p.getMaxNumFocusAreas() > 0) {
838 availableKeys.add(CaptureResult.CONTROL_AF_REGIONS);
841 CaptureResult.Key<?> availableResultKeys[] =
842 new CaptureResult.Key<?>[availableKeys.size()];
843 availableKeys.toArray(availableResultKeys);
844 m.set(REQUEST_AVAILABLE_RESULT_KEYS, getTagsForKeys(availableResultKeys));
848 * request.maxNumOutputStreams
850 int[] outputStreams = {
852 REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_RAW,
853 /* Processed & Not-Stalling */
854 REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC,
855 /* Processed & Stalling */
856 REQUEST_MAX_NUM_OUTPUT_STREAMS_COUNT_PROC_STALL,
858 m.set(REQUEST_MAX_NUM_OUTPUT_STREAMS, outputStreams);
861 * request.maxNumInputStreams
863 m.set(REQUEST_MAX_NUM_INPUT_STREAMS, REQUEST_MAX_NUM_INPUT_STREAMS_COUNT);
866 * request.partialResultCount
868 m.set(REQUEST_PARTIAL_RESULT_COUNT, 1); // No partial results supported
871 * request.pipelineMaxDepth
873 m.set(REQUEST_PIPELINE_MAX_DEPTH,
874 (byte)(REQUEST_PIPELINE_MAX_DEPTH_HAL1 + REQUEST_PIPELINE_MAX_DEPTH_OURS));
877 private static void mapScaler(CameraMetadataNative m, Parameters p) {
879 * scaler.availableMaxDigitalZoom
881 m.set(SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, ParameterUtils.getMaxZoomRatio(p));
884 * scaler.croppingType = CENTER_ONLY
886 m.set(SCALER_CROPPING_TYPE, SCALER_CROPPING_TYPE_CENTER_ONLY);
889 private static void mapSensor(CameraMetadataNative m, Parameters p) {
890 // Use the largest jpeg size (by area) for both active array and pixel array
891 Size largestJpegSize = getLargestSupportedJpegSizeByArea(p);
893 * sensor.info.activeArraySize
896 Rect activeArrayRect = ParamsUtils.createRect(largestJpegSize);
897 m.set(SENSOR_INFO_ACTIVE_ARRAY_SIZE, activeArrayRect);
901 * sensor.availableTestPatternModes
904 // Only "OFF" test pattern mode is available
905 m.set(SENSOR_AVAILABLE_TEST_PATTERN_MODES, new int[] { SENSOR_TEST_PATTERN_MODE_OFF });
909 * sensor.info.pixelArraySize
911 m.set(SENSOR_INFO_PIXEL_ARRAY_SIZE, largestJpegSize);
914 * sensor.info.physicalSize
918 * Assume focal length is at infinity focus and that the lens is rectilinear.
920 float focalLength = p.getFocalLength(); // in mm
921 double angleHor = p.getHorizontalViewAngle() * Math.PI / 180; // to radians
922 double angleVer = p.getVerticalViewAngle() * Math.PI / 180; // to radians
924 float height = (float)Math.abs(2 * focalLength * Math.tan(angleVer / 2));
925 float width = (float)Math.abs(2 * focalLength * Math.tan(angleHor / 2));
927 m.set(SENSOR_INFO_PHYSICAL_SIZE, new SizeF(width, height)); // in mm
931 * sensor.info.timestampSource
934 m.set(SENSOR_INFO_TIMESTAMP_SOURCE, SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN);
938 private static void mapStatistics(CameraMetadataNative m, Parameters p) {
940 * statistics.info.availableFaceDetectModes
944 if (p.getMaxNumDetectedFaces() > 0) {
945 fdModes = new int[] {
946 STATISTICS_FACE_DETECT_MODE_OFF,
947 STATISTICS_FACE_DETECT_MODE_SIMPLE
948 // FULL is never-listed, since we have no way to query it statically
951 fdModes = new int[] {
952 STATISTICS_FACE_DETECT_MODE_OFF
955 m.set(STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, fdModes);
958 * statistics.info.maxFaceCount
960 m.set(STATISTICS_INFO_MAX_FACE_COUNT, p.getMaxNumDetectedFaces());
963 private static void mapSync(CameraMetadataNative m, Parameters p) {
967 m.set(SYNC_MAX_LATENCY, SYNC_MAX_LATENCY_UNKNOWN);
970 private static void appendStreamConfig(
971 ArrayList<StreamConfiguration> configs, int format, List<Camera.Size> sizes) {
972 for (Camera.Size size : sizes) {
973 StreamConfiguration config =
974 new StreamConfiguration(format, size.width, size.height, /*input*/false);
979 private final static String[] sLegacySceneModes = {
980 Parameters.SCENE_MODE_AUTO,
981 Parameters.SCENE_MODE_ACTION,
982 Parameters.SCENE_MODE_PORTRAIT,
983 Parameters.SCENE_MODE_LANDSCAPE,
984 Parameters.SCENE_MODE_NIGHT,
985 Parameters.SCENE_MODE_NIGHT_PORTRAIT,
986 Parameters.SCENE_MODE_THEATRE,
987 Parameters.SCENE_MODE_BEACH,
988 Parameters.SCENE_MODE_SNOW,
989 Parameters.SCENE_MODE_SUNSET,
990 Parameters.SCENE_MODE_STEADYPHOTO,
991 Parameters.SCENE_MODE_FIREWORKS,
992 Parameters.SCENE_MODE_SPORTS,
993 Parameters.SCENE_MODE_PARTY,
994 Parameters.SCENE_MODE_CANDLELIGHT,
995 Parameters.SCENE_MODE_BARCODE,
996 Parameters.SCENE_MODE_HDR,
999 private final static int[] sSceneModes = {
1000 CameraCharacteristics.CONTROL_SCENE_MODE_DISABLED,
1001 CameraCharacteristics.CONTROL_SCENE_MODE_ACTION,
1002 CameraCharacteristics.CONTROL_SCENE_MODE_PORTRAIT,
1003 CameraCharacteristics.CONTROL_SCENE_MODE_LANDSCAPE,
1004 CameraCharacteristics.CONTROL_SCENE_MODE_NIGHT,
1005 CameraCharacteristics.CONTROL_SCENE_MODE_NIGHT_PORTRAIT,
1006 CameraCharacteristics.CONTROL_SCENE_MODE_THEATRE,
1007 CameraCharacteristics.CONTROL_SCENE_MODE_BEACH,
1008 CameraCharacteristics.CONTROL_SCENE_MODE_SNOW,
1009 CameraCharacteristics.CONTROL_SCENE_MODE_SUNSET,
1010 CameraCharacteristics.CONTROL_SCENE_MODE_STEADYPHOTO,
1011 CameraCharacteristics.CONTROL_SCENE_MODE_FIREWORKS,
1012 CameraCharacteristics.CONTROL_SCENE_MODE_SPORTS,
1013 CameraCharacteristics.CONTROL_SCENE_MODE_PARTY,
1014 CameraCharacteristics.CONTROL_SCENE_MODE_CANDLELIGHT,
1015 CameraCharacteristics.CONTROL_SCENE_MODE_BARCODE,
1016 CameraCharacteristics.CONTROL_SCENE_MODE_HDR,
1019 static int convertSceneModeFromLegacy(String mode) {
1021 return CameraCharacteristics.CONTROL_SCENE_MODE_DISABLED;
1023 int index = ArrayUtils.getArrayIndex(sLegacySceneModes, mode);
1025 return UNKNOWN_MODE;
1027 return sSceneModes[index];
1030 static String convertSceneModeToLegacy(int mode) {
1031 if (mode == CONTROL_SCENE_MODE_FACE_PRIORITY) {
1032 // OK: Let LegacyFaceDetectMapper handle turning face detection on/off
1033 return Parameters.SCENE_MODE_AUTO;
1036 int index = ArrayUtils.getArrayIndex(sSceneModes, mode);
1040 return sLegacySceneModes[index];
1043 private final static String[] sLegacyEffectMode = {
1044 Parameters.EFFECT_NONE,
1045 Parameters.EFFECT_MONO,
1046 Parameters.EFFECT_NEGATIVE,
1047 Parameters.EFFECT_SOLARIZE,
1048 Parameters.EFFECT_SEPIA,
1049 Parameters.EFFECT_POSTERIZE,
1050 Parameters.EFFECT_WHITEBOARD,
1051 Parameters.EFFECT_BLACKBOARD,
1052 Parameters.EFFECT_AQUA,
1055 private final static int[] sEffectModes = {
1056 CameraCharacteristics.CONTROL_EFFECT_MODE_OFF,
1057 CameraCharacteristics.CONTROL_EFFECT_MODE_MONO,
1058 CameraCharacteristics.CONTROL_EFFECT_MODE_NEGATIVE,
1059 CameraCharacteristics.CONTROL_EFFECT_MODE_SOLARIZE,
1060 CameraCharacteristics.CONTROL_EFFECT_MODE_SEPIA,
1061 CameraCharacteristics.CONTROL_EFFECT_MODE_POSTERIZE,
1062 CameraCharacteristics.CONTROL_EFFECT_MODE_WHITEBOARD,
1063 CameraCharacteristics.CONTROL_EFFECT_MODE_BLACKBOARD,
1064 CameraCharacteristics.CONTROL_EFFECT_MODE_AQUA,
1067 static int convertEffectModeFromLegacy(String mode) {
1069 return CameraCharacteristics.CONTROL_EFFECT_MODE_OFF;
1071 int index = ArrayUtils.getArrayIndex(sLegacyEffectMode, mode);
1073 return UNKNOWN_MODE;
1075 return sEffectModes[index];
1078 static String convertEffectModeToLegacy(int mode) {
1079 int index = ArrayUtils.getArrayIndex(sEffectModes, mode);
1083 return sLegacyEffectMode[index];
1087 * Convert the ae antibanding mode from api1 into api2.
1089 * @param mode the api1 mode, {@code null} is allowed and will return {@code -1}.
1091 * @return The api2 value, or {@code -1} by default if conversion failed
1093 private static int convertAntiBandingMode(String mode) {
1099 case Camera.Parameters.ANTIBANDING_OFF: {
1100 return CONTROL_AE_ANTIBANDING_MODE_OFF;
1102 case Camera.Parameters.ANTIBANDING_50HZ: {
1103 return CONTROL_AE_ANTIBANDING_MODE_50HZ;
1105 case Camera.Parameters.ANTIBANDING_60HZ: {
1106 return CONTROL_AE_ANTIBANDING_MODE_60HZ;
1108 case Camera.Parameters.ANTIBANDING_AUTO: {
1109 return CONTROL_AE_ANTIBANDING_MODE_AUTO;
1112 Log.w(TAG, "convertAntiBandingMode - Unknown antibanding mode " + mode);
1119 * Convert the ae antibanding mode from api1 into api2.
1121 * @param mode the api1 mode, {@code null} is allowed and will return {@code MODE_OFF}.
1123 * @return The api2 value, or {@code MODE_OFF} by default if conversion failed
1125 static int convertAntiBandingModeOrDefault(String mode) {
1126 int antiBandingMode = convertAntiBandingMode(mode);
1127 if (antiBandingMode == -1) {
1128 return CONTROL_AE_ANTIBANDING_MODE_OFF;
1131 return antiBandingMode;
1134 private static int[] convertAeFpsRangeToLegacy(Range<Integer> fpsRange) {
1135 int[] legacyFps = new int[2];
1136 legacyFps[Camera.Parameters.PREVIEW_FPS_MIN_INDEX] = fpsRange.getLower();
1137 legacyFps[Camera.Parameters.PREVIEW_FPS_MAX_INDEX] = fpsRange.getUpper();
1142 * Return the stall duration for a given output jpeg size in nanoseconds.
1144 * <p>An 8mp image is chosen to have a stall duration of 0.8 seconds.</p>
1146 private static long calculateJpegStallDuration(Camera.Size size) {
1147 long baseDuration = APPROXIMATE_CAPTURE_DELAY_MS * NS_PER_MS; // 200ms for capture
1148 long area = size.width * (long) size.height;
1149 long stallPerArea = APPROXIMATE_JPEG_ENCODE_TIME_MS * NS_PER_MS /
1150 APPROXIMATE_SENSOR_AREA_PX; // 600ms stall for 8mp
1151 return baseDuration + area * stallPerArea;
1155 * Set the legacy parameters using the {@link LegacyRequest legacy request}.
1157 * <p>The legacy request's parameters are changed as a side effect of calling this
1160 * @param request a non-{@code null} legacy request
1162 public static void convertRequestMetadata(LegacyRequest request) {
1163 LegacyRequestMapper.convertRequestMetadata(request);
1166 private static final int[] sAllowedTemplates = {
1167 CameraDevice.TEMPLATE_PREVIEW,
1168 CameraDevice.TEMPLATE_STILL_CAPTURE,
1169 CameraDevice.TEMPLATE_RECORD,
1170 // Disallowed templates in legacy mode:
1171 // CameraDevice.TEMPLATE_VIDEO_SNAPSHOT,
1172 // CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG,
1173 // CameraDevice.TEMPLATE_MANUAL
1177 * Create a request template
1179 * @param c a non-{@code null} camera characteristics for this camera
1180 * @param templateId a non-negative template ID
1182 * @return a non-{@code null} request template
1184 * @throws IllegalArgumentException if {@code templateId} was invalid
1186 * @see android.hardware.camera2.CameraDevice#TEMPLATE_MANUAL
1188 public static CameraMetadataNative createRequestTemplate(
1189 CameraCharacteristics c, int templateId) {
1190 if (!ArrayUtils.contains(sAllowedTemplates, templateId)) {
1191 throw new IllegalArgumentException("templateId out of range");
1194 CameraMetadataNative m = new CameraMetadataNative();
1197 * NOTE: If adding new code here and it needs to query the static info,
1198 * query the camera characteristics, so we can reuse this for api2 code later
1199 * to create our own templates in the framework
1207 m.set(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_AUTO);
1208 // AWB is always unconditionally available in API1 devices
1210 // control.aeAntibandingMode
1211 m.set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CONTROL_AE_ANTIBANDING_MODE_AUTO);
1213 // control.aeExposureCompensation
1214 m.set(CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION, 0);
1217 m.set(CaptureRequest.CONTROL_AE_LOCK, false);
1219 // control.aePrecaptureTrigger
1220 m.set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CONTROL_AE_PRECAPTURE_TRIGGER_IDLE);
1222 // control.afTrigger
1223 m.set(CaptureRequest.CONTROL_AF_TRIGGER, CONTROL_AF_TRIGGER_IDLE);
1226 m.set(CaptureRequest.CONTROL_AWB_MODE, CONTROL_AWB_MODE_AUTO);
1229 m.set(CaptureRequest.CONTROL_AWB_LOCK, false);
1231 // control.aeRegions, control.awbRegions, control.afRegions
1233 Rect activeArray = c.get(SENSOR_INFO_ACTIVE_ARRAY_SIZE);
1234 MeteringRectangle[] activeRegions = new MeteringRectangle[] {
1235 new MeteringRectangle(/*x*/0, /*y*/0, /*width*/activeArray.width() - 1,
1236 /*height*/activeArray.height() - 1,/*weight*/0)};
1237 m.set(CaptureRequest.CONTROL_AE_REGIONS, activeRegions);
1238 m.set(CaptureRequest.CONTROL_AWB_REGIONS, activeRegions);
1239 m.set(CaptureRequest.CONTROL_AF_REGIONS, activeRegions);
1242 // control.captureIntent
1245 switch (templateId) {
1246 case CameraDevice.TEMPLATE_PREVIEW:
1247 captureIntent = CONTROL_CAPTURE_INTENT_PREVIEW;
1249 case CameraDevice.TEMPLATE_STILL_CAPTURE:
1250 captureIntent = CONTROL_CAPTURE_INTENT_STILL_CAPTURE;
1252 case CameraDevice.TEMPLATE_RECORD:
1253 captureIntent = CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
1256 // Can't get anything else since it's guarded by the IAE check
1257 throw new AssertionError("Impossible; keep in sync with sAllowedTemplates");
1259 m.set(CaptureRequest.CONTROL_CAPTURE_INTENT, captureIntent);
1263 m.set(CaptureRequest.CONTROL_AE_MODE, CameraMetadata.CONTROL_AE_MODE_ON);
1264 // AE is always unconditionally available in API1 devices
1267 m.set(CaptureRequest.CONTROL_MODE, CONTROL_MODE_AUTO);
1271 Float minimumFocusDistance = c.get(LENS_INFO_MINIMUM_FOCUS_DISTANCE);
1274 if (minimumFocusDistance != null &&
1275 minimumFocusDistance == LENS_INFO_MINIMUM_FOCUS_DISTANCE_FIXED_FOCUS) {
1276 // Cannot control auto-focus with fixed-focus cameras
1277 afMode = CameraMetadata.CONTROL_AF_MODE_OFF;
1279 // If a minimum focus distance is reported; the camera must have AF
1280 afMode = CameraMetadata.CONTROL_AF_MODE_AUTO;
1282 if (templateId == CameraDevice.TEMPLATE_RECORD ||
1283 templateId == CameraDevice.TEMPLATE_VIDEO_SNAPSHOT) {
1284 if (ArrayUtils.contains(c.get(CONTROL_AF_AVAILABLE_MODES),
1285 CONTROL_AF_MODE_CONTINUOUS_VIDEO)) {
1286 afMode = CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_VIDEO;
1288 } else if (templateId == CameraDevice.TEMPLATE_PREVIEW ||
1289 templateId == CameraDevice.TEMPLATE_STILL_CAPTURE) {
1290 if (ArrayUtils.contains(c.get(CONTROL_AF_AVAILABLE_MODES),
1291 CONTROL_AF_MODE_CONTINUOUS_PICTURE)) {
1292 afMode = CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE;
1298 Log.v(TAG, "createRequestTemplate (templateId=" + templateId + ")," +
1299 " afMode=" + afMode + ", minimumFocusDistance=" + minimumFocusDistance);
1302 m.set(CaptureRequest.CONTROL_AF_MODE, afMode);
1306 // control.aeTargetFpsRange
1307 Range<Integer>[] availableFpsRange = c.
1308 get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
1310 // Pick FPS range with highest max value, tiebreak on higher min value
1311 Range<Integer> bestRange = availableFpsRange[0];
1312 for (Range<Integer> r : availableFpsRange) {
1313 if (bestRange.getUpper() < r.getUpper()) {
1315 } else if (bestRange.getUpper() == r.getUpper() &&
1316 bestRange.getLower() < r.getLower()) {
1320 m.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, bestRange);
1323 // control.sceneMode -- DISABLED is always available
1324 m.set(CaptureRequest.CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_DISABLED);
1330 // statistics.faceDetectMode
1331 m.set(CaptureRequest.STATISTICS_FACE_DETECT_MODE, STATISTICS_FACE_DETECT_MODE_OFF);
1338 m.set(CaptureRequest.FLASH_MODE, FLASH_MODE_OFF);
1343 m.set(CaptureRequest.NOISE_REDUCTION_MODE, NOISE_REDUCTION_MODE_FAST);
1350 m.set(CaptureRequest.LENS_FOCAL_LENGTH,
1351 c.get(CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS)[0]);
1357 // jpeg.thumbnailSize - set smallest non-zero size if possible
1358 Size[] sizes = c.get(CameraCharacteristics.JPEG_AVAILABLE_THUMBNAIL_SIZES);
1359 m.set(CaptureRequest.JPEG_THUMBNAIL_SIZE, (sizes.length > 1) ? sizes[1] : sizes[0]);
1361 // TODO: map other request template values
1365 private static int[] getTagsForKeys(Key<?>[] keys) {
1366 int[] tags = new int[keys.length];
1368 for (int i = 0; i < keys.length; ++i) {
1369 tags[i] = keys[i].getNativeKey().getTag();
1375 private static int[] getTagsForKeys(CaptureRequest.Key<?>[] keys) {
1376 int[] tags = new int[keys.length];
1378 for (int i = 0; i < keys.length; ++i) {
1379 tags[i] = keys[i].getNativeKey().getTag();
1385 private static int[] getTagsForKeys(CaptureResult.Key<?>[] keys) {
1386 int[] tags = new int[keys.length];
1388 for (int i = 0; i < keys.length; ++i) {
1389 tags[i] = keys[i].getNativeKey().getTag();
1396 * Convert the requested AF mode into its equivalent supported parameter.
1398 * @param mode {@code CONTROL_AF_MODE}
1399 * @param supportedFocusModes list of camera1's supported focus modes
1400 * @return the stringified af mode, or {@code null} if its not supported
1402 static String convertAfModeToLegacy(int mode, List<String> supportedFocusModes) {
1403 if (supportedFocusModes == null || supportedFocusModes.isEmpty()) {
1404 Log.w(TAG, "No focus modes supported; API1 bug");
1408 String param = null;
1410 case CONTROL_AF_MODE_AUTO:
1411 param = Parameters.FOCUS_MODE_AUTO;
1413 case CONTROL_AF_MODE_CONTINUOUS_PICTURE:
1414 param = Parameters.FOCUS_MODE_CONTINUOUS_PICTURE;
1416 case CONTROL_AF_MODE_CONTINUOUS_VIDEO:
1417 param = Parameters.FOCUS_MODE_CONTINUOUS_VIDEO;
1419 case CONTROL_AF_MODE_EDOF:
1420 param = Parameters.FOCUS_MODE_EDOF;
1422 case CONTROL_AF_MODE_MACRO:
1423 param = Parameters.FOCUS_MODE_MACRO;
1425 case CONTROL_AF_MODE_OFF:
1426 if (supportedFocusModes.contains(Parameters.FOCUS_MODE_FIXED)) {
1427 param = Parameters.FOCUS_MODE_FIXED;
1429 param = Parameters.FOCUS_MODE_INFINITY;
1433 if (!supportedFocusModes.contains(param)) {
1434 // Weed out bad user input by setting to the first arbitrary focus mode
1435 String defaultMode = supportedFocusModes.get(0);
1438 "convertAfModeToLegacy - ignoring unsupported mode %d, " +
1439 "defaulting to %s", mode, defaultMode));
1440 param = defaultMode;