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Commit 9dc7ec1f authored by Eino-Ville Talvala's avatar Eino-Ville Talvala
Browse files

Camera2: Update generated docs to latest version 

- Move camera reference doc images to /reference/images
- Minor formatting changes due to merging SDK/NDK metadata definitions
- Minor wording changes for the same

Bug: 69175492
Bug: 29102963
Bug: 33262893
Test: Build and manual inspection of generated docs diff
Change-Id: Ieaf0c1943eba378cc94a22d184734602c40e25e7
parent 45a9600e

core/java/android/hardware/camera2/CameraCharacteristics.java

+13 −21
Original line number Diff line number Diff line
@@ -1280,11 +1280,11 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * <ul>

     * <li>Processed (but stalling): any non-RAW format with a stallDurations &gt; 0.

     *   Typically {@link android.graphics.ImageFormat#JPEG JPEG format}.</li>

     * <li>Raw formats: {@link android.graphics.ImageFormat#RAW_SENSOR RAW_SENSOR}, {@link android.graphics.ImageFormat#RAW10 RAW10}, or {@link android.graphics.ImageFormat#RAW12 RAW12}.</li>

     * <li>Processed (but not-stalling): any non-RAW format without a stall duration.

     *   Typically {@link android.graphics.ImageFormat#YUV_420_888 YUV_420_888},

     *   {@link android.graphics.ImageFormat#NV21 NV21}, or

     *   {@link android.graphics.ImageFormat#YV12 YV12}.</li>

     * <li>Raw formats: {@link android.graphics.ImageFormat#RAW_SENSOR RAW_SENSOR}, {@link android.graphics.ImageFormat#RAW10 RAW10}, or

     *   {@link android.graphics.ImageFormat#RAW12 RAW12}.</li>

     * <li>Processed (but not-stalling): any non-RAW format without a stall duration.  Typically

     *   {@link android.graphics.ImageFormat#YUV_420_888 YUV_420_888},

     *   {@link android.graphics.ImageFormat#NV21 NV21}, or {@link android.graphics.ImageFormat#YV12 YV12}.</li>

     * </ul>

     * <p><b>Range of valid values:</b><br></p>

     * <p>For processed (and stalling) format streams, &gt;= 1.</p>
@@ -1376,8 +1376,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * CPU resources that will consume more power. The image format for this kind of an output stream can

     * be any non-<code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p>

     * <p>A processed and stalling format is defined as any non-RAW format with a stallDurations

     * &gt; 0.  Typically only the {@link android.graphics.ImageFormat#JPEG JPEG format} is a

     * stalling format.</p>

     * &gt; 0.  Typically only the {@link android.graphics.ImageFormat#JPEG JPEG format} is a stalling format.</p>

     * <p>For full guarantees, query {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration } with a

     * processed format -- it will return a non-0 value for a stalling stream.</p>

     * <p>LEGACY devices will support up to 1 processing/stalling stream.</p>
@@ -1535,8 +1534,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
            new Key<int[]>("android.request.availableRequestKeys", int[].class);



    /**

     * <p>A list of all keys that the camera device has available

     * to use with {@link android.hardware.camera2.CaptureResult }.</p>

     * <p>A list of all keys that the camera device has available to use with {@link android.hardware.camera2.CaptureResult }.</p>

     * <p>Attempting to get a key from a CaptureResult that is not

     * listed here will always return a <code>null</code> value. Getting a key from

     * a CaptureResult that is listed here will generally never return a <code>null</code>
@@ -1561,8 +1559,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
            new Key<int[]>("android.request.availableResultKeys", int[].class);



    /**

     * <p>A list of all keys that the camera device has available

     * to use with {@link android.hardware.camera2.CameraCharacteristics }.</p>

     * <p>A list of all keys that the camera device has available to use with {@link android.hardware.camera2.CameraCharacteristics }.</p>

     * <p>This entry follows the same rules as

     * android.request.availableResultKeys (except that it applies for

     * CameraCharacteristics instead of CaptureResult). See above for more
@@ -1843,8 +1840,6 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} and

     * android.scaler.availableStallDurations for more details about

     * calculating the max frame rate.</p>

     * <p>(Keep in sync with

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputMinFrameDuration })</p>

     * <p><b>Units</b>: (format, width, height, ns) x n</p>

     * <p>This key is available on all devices.</p>

     *
@@ -1905,14 +1900,13 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * <ul>

     * <li>{@link android.graphics.ImageFormat#YUV_420_888 }</li>

     * <li>{@link android.graphics.ImageFormat#RAW10 }</li>

     * <li>{@link android.graphics.ImageFormat#RAW12 }</li>

     * </ul>

     * <p>All other formats may or may not have an allowed stall duration on

     * a per-capability basis; refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}

     * for more details.</p>

     * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} for more information about

     * calculating the max frame rate (absent stalls).</p>

     * <p>(Keep up to date with

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration } )</p>

     * <p><b>Units</b>: (format, width, height, ns) x n</p>

     * <p>This key is available on all devices.</p>

     *
@@ -2195,9 +2189,9 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * the raw buffers produced by this sensor.</p>

     * <p>If a camera device supports raw sensor formats, either this or

     * {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} is the maximum dimensions for the raw

     * output formats listed in {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap} (this depends on

     * whether or not the image sensor returns buffers containing pixels that are not

     * part of the active array region for blacklevel calibration or other purposes).</p>

     * output formats listed in {@link android.hardware.camera2.params.StreamConfigurationMap }

     * (this depends on whether or not the image sensor returns buffers containing pixels that

     * are not part of the active array region for blacklevel calibration or other purposes).</p>

     * <p>Some parts of the full pixel array may not receive light from the scene,

     * or be otherwise inactive.  The {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} key

     * defines the rectangle of active pixels that will be included in processed image
@@ -2205,7 +2199,6 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * <p><b>Units</b>: Pixels</p>

     * <p>This key is available on all devices.</p>

     *

     * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP

     * @see CameraCharacteristics#SENSOR_INFO_PHYSICAL_SIZE

     * @see CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE

     */
@@ -2838,7 +2831,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * <p>See the individual level enums for full descriptions of the supported capabilities.  The

     * {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} entry describes the device's capabilities at a

     * finer-grain level, if needed. In addition, many controls have their available settings or

     * ranges defined in individual {@link android.hardware.camera2.CameraCharacteristics } entries.</p>

     * ranges defined in individual entries from {@link android.hardware.camera2.CameraCharacteristics }.</p>

     * <p>Some features are not part of any particular hardware level or capability and must be

     * queried separately. These include:</p>

     * <ul>
@@ -2973,7 +2966,6 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri 
     * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} and

     * android.scaler.availableStallDurations for more details about

     * calculating the max frame rate.</p>

     * <p>(Keep in sync with {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputMinFrameDuration })</p>

     * <p><b>Units</b>: (format, width, height, ns) x n</p>

     * <p><b>Optional</b> - This value may be {@code null} on some devices.</p>

     * <p><b>Limited capability</b> -

core/java/android/hardware/camera2/CameraMetadata.java

+50 −62
Original line number Diff line number Diff line
@@ -587,8 +587,8 @@ public abstract class CameraMetadata<TKey> { 
     * then the list of resolutions for YUV_420_888 from {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes } contains at

     * least one resolution &gt;= 8 megapixels, with a minimum frame duration of &lt;= 1/20

     * s.</p>

     * <p>If the device supports the {@link android.graphics.ImageFormat#RAW10 }, {@link android.graphics.ImageFormat#RAW12 }, then those can also be captured at the same rate

     * as the maximum-size YUV_420_888 resolution is.</p>

     * <p>If the device supports the {@link android.graphics.ImageFormat#RAW10 }, {@link android.graphics.ImageFormat#RAW12 }, then those can also be

     * captured at the same rate as the maximum-size YUV_420_888 resolution is.</p>

     * <p>If the device supports the PRIVATE_REPROCESSING capability, then the same guarantees

     * as for the YUV_420_888 format also apply to the {@link android.graphics.ImageFormat#PRIVATE } format.</p>

     * <p>In addition, the {@link CameraCharacteristics#SYNC_MAX_LATENCY android.sync.maxLatency} field is guaranted to have a value between 0
@@ -610,25 +610,22 @@ public abstract class CameraMetadata<TKey> { 
     * following:</p>

     * <ul>

     * <li>One input stream is supported, that is, <code>{@link CameraCharacteristics#REQUEST_MAX_NUM_INPUT_STREAMS android.request.maxNumInputStreams} == 1</code>.</li>

     * <li>{@link android.graphics.ImageFormat#YUV_420_888 } is supported as an output/input format, that is,

     *   YUV_420_888 is included in the lists of formats returned by

     *   {@link android.hardware.camera2.params.StreamConfigurationMap#getInputFormats } and

     *   {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputFormats }.</li>

     * <li>{@link android.graphics.ImageFormat#YUV_420_888 } is supported as an output/input

     *   format, that is, YUV_420_888 is included in the lists of formats returned by {@link android.hardware.camera2.params.StreamConfigurationMap#getInputFormats } and {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputFormats }.</li>

     * <li>{@link android.hardware.camera2.params.StreamConfigurationMap#getValidOutputFormatsForInput }

     *   returns non-empty int[] for each supported input format returned by {@link android.hardware.camera2.params.StreamConfigurationMap#getInputFormats }.</li>

     * <li>Each size returned by {@link android.hardware.camera2.params.StreamConfigurationMap#getInputSizes getInputSizes(YUV_420_888)} is also included in {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes getOutputSizes(YUV_420_888)}</li>

     * <li>Using {@link android.graphics.ImageFormat#YUV_420_888 } does not cause a frame rate drop

     *   relative to the sensor's maximum capture rate (at that resolution).</li>

     * <li>Using {@link android.graphics.ImageFormat#YUV_420_888 } does not cause a frame rate

     *   drop relative to the sensor's maximum capture rate (at that resolution).</li>

     * <li>{@link android.graphics.ImageFormat#YUV_420_888 } will be reprocessable into both

     *   {@link android.graphics.ImageFormat#YUV_420_888 } and {@link android.graphics.ImageFormat#JPEG } formats.</li>

     * <li>The maximum available resolution for {@link android.graphics.ImageFormat#YUV_420_888 } streams (both input/output) will match the

     *   maximum available resolution of {@link android.graphics.ImageFormat#JPEG } streams.</li>

     * <li>Static metadata {@link CameraCharacteristics#REPROCESS_MAX_CAPTURE_STALL android.reprocess.maxCaptureStall}.</li>

     * <li>Only the below controls are effective for reprocessing requests and will be present

     *   in capture results. The reprocess requests are from the original capture results that

     *   are associated with the intermediate {@link android.graphics.ImageFormat#YUV_420_888 }

     *   output buffers.  All other controls in the reprocess requests will be ignored by the

     *   camera device.<ul>

     *   in capture results. The reprocess requests are from the original capture results

     *   that are associated with the intermediate {@link android.graphics.ImageFormat#YUV_420_888 } output buffers.  All other controls in the

     *   reprocess requests will be ignored by the camera device.<ul>

     * <li>android.jpeg.*</li>

     * <li>{@link CaptureRequest#NOISE_REDUCTION_MODE android.noiseReduction.mode}</li>

     * <li>{@link CaptureRequest#EDGE_MODE android.edge.mode}</li>
@@ -654,13 +651,13 @@ public abstract class CameraMetadata<TKey> { 
     * <p>The camera device can produce depth measurements from its field of view.</p>

     * <p>This capability requires the camera device to support the following:</p>

     * <ul>

     * <li>{@link android.graphics.ImageFormat#DEPTH16 } is supported as an output format.</li>

     * <li>{@link android.graphics.ImageFormat#DEPTH_POINT_CLOUD } is optionally supported as an

     *   output format.</li>

     * <li>This camera device, and all camera devices with the same {@link CameraCharacteristics#LENS_FACING android.lens.facing},

     *   will list the following calibration entries in both

     *   {@link android.hardware.camera2.CameraCharacteristics } and

     *   {@link android.hardware.camera2.CaptureResult }:<ul>

     * <li>{@link android.graphics.ImageFormat#DEPTH16 } is supported as

     *   an output format.</li>

     * <li>{@link android.graphics.ImageFormat#DEPTH_POINT_CLOUD } is

     *   optionally supported as an output format.</li>

     * <li>This camera device, and all camera devices with the same {@link CameraCharacteristics#LENS_FACING android.lens.facing}, will

     *   list the following calibration metadata entries in both {@link android.hardware.camera2.CameraCharacteristics }

     *   and {@link android.hardware.camera2.CaptureResult }:<ul>

     * <li>{@link CameraCharacteristics#LENS_POSE_TRANSLATION android.lens.poseTranslation}</li>

     * <li>{@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation}</li>

     * <li>{@link CameraCharacteristics#LENS_INTRINSIC_CALIBRATION android.lens.intrinsicCalibration}</li>
@@ -674,8 +671,7 @@ public abstract class CameraMetadata<TKey> { 
     * </ul>

     * <p>Generally, depth output operates at a slower frame rate than standard color capture,

     * so the DEPTH16 and DEPTH_POINT_CLOUD formats will commonly have a stall duration that

     * should be accounted for (see

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration }).

     * should be accounted for (see {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration }).

     * On a device that supports both depth and color-based output, to enable smooth preview,

     * using a repeating burst is recommended, where a depth-output target is only included

     * once every N frames, where N is the ratio between preview output rate and depth output
@@ -692,23 +688,19 @@ public abstract class CameraMetadata<TKey> { 
    public static final int REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT = 8;



    /**

     * <p>The device supports constrained high speed video recording (frame rate &gt;=120fps)

     * use case. The camera device will support high speed capture session created by

     * {@link android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession }, which

     * only accepts high speed request lists created by

     * {@link android.hardware.camera2.CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList }.</p>

     * <p>A camera device can still support high speed video streaming by advertising the high speed

     * FPS ranges in {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges}. For this case, all normal

     * capture request per frame control and synchronization requirements will apply to

     * the high speed fps ranges, the same as all other fps ranges. This capability describes

     * the capability of a specialized operating mode with many limitations (see below), which

     * is only targeted at high speed video recording.</p>

     * <p>The supported high speed video sizes and fps ranges are specified in

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoFpsRanges }.

     * To get desired output frame rates, the application is only allowed to select video size

     * and FPS range combinations provided by

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoSizes }.

     * The fps range can be controlled via {@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE android.control.aeTargetFpsRange}.</p>

     * <p>The device supports constrained high speed video recording (frame rate &gt;=120fps) use

     * case. The camera device will support high speed capture session created by {@link android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession }, which

     * only accepts high speed request lists created by {@link android.hardware.camera2.CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList }.</p>

     * <p>A camera device can still support high speed video streaming by advertising the high

     * speed FPS ranges in {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges}. For this case, all

     * normal capture request per frame control and synchronization requirements will apply

     * to the high speed fps ranges, the same as all other fps ranges. This capability

     * describes the capability of a specialized operating mode with many limitations (see

     * below), which is only targeted at high speed video recording.</p>

     * <p>The supported high speed video sizes and fps ranges are specified in {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoFpsRanges }.

     * To get desired output frame rates, the application is only allowed to select video

     * size and FPS range combinations provided by {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoSizes }.  The

     * fps range can be controlled via {@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE android.control.aeTargetFpsRange}.</p>

     * <p>In this capability, the camera device will override aeMode, awbMode, and afMode to

     * ON, AUTO, and CONTINUOUS_VIDEO, respectively. All post-processing block mode

     * controls will be overridden to be FAST. Therefore, no manual control of capture
@@ -743,19 +735,16 @@ public abstract class CameraMetadata<TKey> { 
     * frame rate. If the destination surface is from preview window, the actual preview frame

     * rate will be bounded by the screen refresh rate.</p>

     * <p>The camera device will only support up to 2 high speed simultaneous output surfaces

     * (preview and recording surfaces)

     * in this mode. Above controls will be effective only if all of below conditions are true:</p>

     * (preview and recording surfaces) in this mode. Above controls will be effective only

     * if all of below conditions are true:</p>

     * <ul>

     * <li>The application creates a camera capture session with no more than 2 surfaces via

     * {@link android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession }. The

     * targeted surfaces must be preview surface (either from

     * {@link android.view.SurfaceView } or {@link android.graphics.SurfaceTexture }) or

     * recording surface(either from {@link android.media.MediaRecorder#getSurface } or

     * {@link android.media.MediaCodec#createInputSurface }).</li>

     * targeted surfaces must be preview surface (either from {@link android.view.SurfaceView } or {@link android.graphics.SurfaceTexture }) or recording

     * surface(either from {@link android.media.MediaRecorder#getSurface } or {@link android.media.MediaCodec#createInputSurface }).</li>

     * <li>The stream sizes are selected from the sizes reported by

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoSizes }.</li>

     * <li>The FPS ranges are selected from

     * {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoFpsRanges }.</li>

     * <li>The FPS ranges are selected from {@link android.hardware.camera2.params.StreamConfigurationMap#getHighSpeedVideoFpsRanges }.</li>

     * </ul>

     * <p>When above conditions are NOT satistied,

     * {@link android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession }
@@ -1038,8 +1027,7 @@ public abstract class CameraMetadata<TKey> { 


    /**

     * <p>This camera device is running in backward compatibility mode.</p>

     * <p>Only the stream configurations listed in the <code>LEGACY</code> table in the {@link android.hardware.camera2.CameraDevice#createCaptureSession createCaptureSession}

     * documentation are supported.</p>

     * <p>Only the stream configurations listed in the <code>LEGACY</code> table in the {@link android.hardware.camera2.CameraDevice#createCaptureSession createCaptureSession} documentation are supported.</p>

     * <p>A <code>LEGACY</code> device does not support per-frame control, manual sensor control, manual

     * post-processing, arbitrary cropping regions, and has relaxed performance constraints.

     * No additional capabilities beyond <code>BACKWARD_COMPATIBLE</code> will ever be listed by a
@@ -1061,8 +1049,7 @@ public abstract class CameraMetadata<TKey> { 
     * <p>This camera device is capable of YUV reprocessing and RAW data capture, in addition to

     * FULL-level capabilities.</p>

     * <p>The stream configurations listed in the <code>LEVEL_3</code>, <code>RAW</code>, <code>FULL</code>, <code>LEGACY</code> and

     * <code>LIMITED</code> tables in the {@link android.hardware.camera2.CameraDevice#createCaptureSession createCaptureSession}

     * documentation are guaranteed to be supported.</p>

     * <code>LIMITED</code> tables in the {@link android.hardware.camera2.CameraDevice#createCaptureSession createCaptureSession} documentation are guaranteed to be supported.</p>

     * <p>The following additional capabilities are guaranteed to be supported:</p>

     * <ul>

     * <li><code>YUV_REPROCESSING</code> capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains
@@ -2155,12 +2142,13 @@ public abstract class CameraMetadata<TKey> { 
    public static final int EDGE_MODE_HIGH_QUALITY = 2;



    /**

     * <p>Edge enhancement is applied at different levels for different output streams,

     * based on resolution. Streams at maximum recording resolution (see {@link android.hardware.camera2.CameraDevice#createCaptureSession }) or below have

     * edge enhancement applied, while higher-resolution streams have no edge enhancement

     * applied. The level of edge enhancement for low-resolution streams is tuned so that

     * frame rate is not impacted, and the quality is equal to or better than FAST (since it

     * is only applied to lower-resolution outputs, quality may improve from FAST).</p>

     * <p>Edge enhancement is applied at different

     * levels for different output streams, based on resolution. Streams at maximum recording

     * resolution (see {@link android.hardware.camera2.CameraDevice#createCaptureSession })

     * or below have edge enhancement applied, while higher-resolution streams have no edge

     * enhancement applied. The level of edge enhancement for low-resolution streams is tuned

     * so that frame rate is not impacted, and the quality is equal to or better than FAST

     * (since it is only applied to lower-resolution outputs, quality may improve from FAST).</p>

     * <p>This mode is intended to be used by applications operating in a zero-shutter-lag mode

     * with YUV or PRIVATE reprocessing, where the application continuously captures

     * high-resolution intermediate buffers into a circular buffer, from which a final image is
@@ -2287,12 +2275,12 @@ public abstract class CameraMetadata<TKey> { 


    /**

     * <p>Noise reduction is applied at different levels for different output streams,

     * based on resolution. Streams at maximum recording resolution (see {@link android.hardware.camera2.CameraDevice#createCaptureSession }) or below have noise

     * reduction applied, while higher-resolution streams have MINIMAL (if supported) or no

     * noise reduction applied (if MINIMAL is not supported.) The degree of noise reduction

     * for low-resolution streams is tuned so that frame rate is not impacted, and the quality

     * is equal to or better than FAST (since it is only applied to lower-resolution outputs,

     * quality may improve from FAST).</p>

     * based on resolution. Streams at maximum recording resolution (see {@link android.hardware.camera2.CameraDevice#createCaptureSession })

     * or below have noise reduction applied, while higher-resolution streams have MINIMAL (if

     * supported) or no noise reduction applied (if MINIMAL is not supported.) The degree of

     * noise reduction for low-resolution streams is tuned so that frame rate is not impacted,

     * and the quality is equal to or better than FAST (since it is only applied to

     * lower-resolution outputs, quality may improve from FAST).</p>

     * <p>This mode is intended to be used by applications operating in a zero-shutter-lag mode

     * with YUV or PRIVATE reprocessing, where the application continuously captures

     * high-resolution intermediate buffers into a circular buffer, from which a final image is

core/java/android/hardware/camera2/CaptureRequest.java

+33 −44

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core/java/android/hardware/camera2/CaptureResult.java

+45 −57

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