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path: root/camera/docs/metadata_definitions.xml
blob: 86de198542d474e44101abf59b4a0466d911bca0 (plain)
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2012 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<metadata xmlns="http://schemas.android.com/service/camera/metadata/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://schemas.android.com/service/camera/metadata/ metadata_definitions.xsd">

  <tags>
    <tag id="BC">
        Needed for backwards compatibility with old Java API
    </tag>
    <tag id="V1">
        New features for first camera 2 release (API1)
    </tag>
    <tag id="RAW">
        Needed for useful RAW image processing and DNG file support
    </tag>
    <tag id="HAL2">
        Entry is only used by camera device legacy HAL 2.x
    </tag>
    <tag id="FULL">
        Entry is required for full hardware level devices, and optional for other hardware levels
    </tag>
    <tag id="DEPTH">
        Entry is required for the depth capability.
    </tag>
    <tag id="REPROC">
        Entry is required for the YUV or PRIVATE reprocessing capability.
    </tag>
    <tag id="LOGICALCAMERA">
        Entry is required for logical multi-camera capability.
    </tag>
    <tag id="HEIC">
        Entry is required for devices with HEIC (High Efficiency Image Format) support.
    </tag>
    <tag id="FUTURE">
        Entry is  under-specified and is not required for now. This is for book-keeping purpose,
        do not implement or use it, it may be revised for future.
    </tag>
  </tags>

  <types>
    <typedef name="pairFloatFloat">
      <language name="java">android.util.Pair&lt;Float,Float&gt;</language>
    </typedef>
    <typedef name="pairDoubleDouble">
      <language name="java">android.util.Pair&lt;Double,Double&gt;</language>
    </typedef>
    <typedef name="rectangle">
      <language name="java">android.graphics.Rect</language>
    </typedef>
    <typedef name="size">
      <language name="java">android.util.Size</language>
    </typedef>
    <typedef name="string">
      <language name="java">String</language>
    </typedef>
    <typedef name="boolean">
      <language name="java">boolean</language>
    </typedef>
    <typedef name="imageFormat">
      <language name="java">int</language>
    </typedef>
    <typedef name="streamConfigurationMap">
      <language name="java">android.hardware.camera2.params.StreamConfigurationMap</language>
    </typedef>
    <typedef name="streamConfiguration">
      <language name="java">android.hardware.camera2.params.StreamConfiguration</language>
    </typedef>
    <typedef name="recommendedStreamConfiguration">
      <language
      name="java">android.hardware.camera2.params.RecommendedStreamConfiguration</language>
    </typedef>
    <typedef name="streamConfigurationDuration">
      <language name="java">android.hardware.camera2.params.StreamConfigurationDuration</language>
    </typedef>
    <typedef name="face">
      <language name="java">android.hardware.camera2.params.Face</language>
    </typedef>
    <typedef name="meteringRectangle">
      <language name="java">android.hardware.camera2.params.MeteringRectangle</language>
    </typedef>
    <typedef name="rangeFloat">
      <language name="java">android.util.Range&lt;Float&gt;</language>
    </typedef>
    <typedef name="rangeInt">
      <language name="java">android.util.Range&lt;Integer&gt;</language>
    </typedef>
    <typedef name="rangeLong">
      <language name="java">android.util.Range&lt;Long&gt;</language>
    </typedef>
    <typedef name="colorSpaceTransform">
      <language name="java">android.hardware.camera2.params.ColorSpaceTransform</language>
    </typedef>
    <typedef name="rggbChannelVector">
      <language name="java">android.hardware.camera2.params.RggbChannelVector</language>
    </typedef>
    <typedef name="blackLevelPattern">
      <language name="java">android.hardware.camera2.params.BlackLevelPattern</language>
    </typedef>
    <typedef name="enumList">
      <language name="java">int</language>
    </typedef>
    <typedef name="sizeF">
      <language name="java">android.util.SizeF</language>
    </typedef>
    <typedef name="point">
      <language name="java">android.graphics.Point</language>
    </typedef>
    <typedef name="tonemapCurve">
      <language name="java">android.hardware.camera2.params.TonemapCurve</language>
    </typedef>
    <typedef name="lensShadingMap">
      <language name="java">android.hardware.camera2.params.LensShadingMap</language>
    </typedef>
    <typedef name="location">
      <language name="java">android.location.Location</language>
    </typedef>
    <typedef name="highSpeedVideoConfiguration">
      <language name="java">android.hardware.camera2.params.HighSpeedVideoConfiguration</language>
    </typedef>
    <typedef name="reprocessFormatsMap">
      <language name="java">android.hardware.camera2.params.ReprocessFormatsMap</language>
    </typedef>
    <typedef name="oisSample">
      <language name="java">android.hardware.camera2.params.OisSample</language>
    </typedef>
    <typedef name="mandatoryStreamCombination">
      <language name="java">android.hardware.camera2.params.MandatoryStreamCombination</language>
    </typedef>
    <typedef name="capability">
      <language name="java">android.hardware.camera2.params.Capability</language>
    </typedef>
    <typedef name="multiResolutionStreamConfigurationMap">
      <language name="java">android.hardware.camera2.params.MultiResolutionStreamConfigurationMap</language>
    </typedef>
  </types>

  <namespace name="android">
    <section name="colorCorrection">
      <controls>
        <entry name="mode" type="byte" visibility="public" enum="true" hwlevel="full">
          <enum>
            <value>TRANSFORM_MATRIX
              <notes>Use the android.colorCorrection.transform matrix
                and android.colorCorrection.gains to do color conversion.

                All advanced white balance adjustments (not specified
                by our white balance pipeline) must be disabled.

                If AWB is enabled with `android.control.awbMode != OFF`, then
                TRANSFORM_MATRIX is ignored. The camera device will override
                this value to either FAST or HIGH_QUALITY.
              </notes>
            </value>
            <value>FAST
              <notes>Color correction processing must not slow down
              capture rate relative to sensor raw output.

              Advanced white balance adjustments above and beyond
              the specified white balance pipeline may be applied.

              If AWB is enabled with `android.control.awbMode != OFF`, then
              the camera device uses the last frame's AWB values
              (or defaults if AWB has never been run).
            </notes>
            </value>
            <value>HIGH_QUALITY
              <notes>Color correction processing operates at improved
              quality but the capture rate might be reduced (relative to sensor
              raw output rate)

              Advanced white balance adjustments above and beyond
              the specified white balance pipeline may be applied.

              If AWB is enabled with `android.control.awbMode != OFF`, then
              the camera device uses the last frame's AWB values
              (or defaults if AWB has never been run).
            </notes>
            </value>
          </enum>

          <description>
          The mode control selects how the image data is converted from the
          sensor's native color into linear sRGB color.
          </description>
          <details>
          When auto-white balance (AWB) is enabled with android.control.awbMode, this
          control is overridden by the AWB routine. When AWB is disabled, the
          application controls how the color mapping is performed.

          We define the expected processing pipeline below. For consistency
          across devices, this is always the case with TRANSFORM_MATRIX.

          When either FAST or HIGH_QUALITY is used, the camera device may
          do additional processing but android.colorCorrection.gains and
          android.colorCorrection.transform will still be provided by the
          camera device (in the results) and be roughly correct.

          Switching to TRANSFORM_MATRIX and using the data provided from
          FAST or HIGH_QUALITY will yield a picture with the same white point
          as what was produced by the camera device in the earlier frame.

          The expected processing pipeline is as follows:

          ![White balance processing pipeline](android.colorCorrection.mode/processing_pipeline.png)

          The white balance is encoded by two values, a 4-channel white-balance
          gain vector (applied in the Bayer domain), and a 3x3 color transform
          matrix (applied after demosaic).

          The 4-channel white-balance gains are defined as:

              android.colorCorrection.gains = [ R G_even G_odd B ]

          where `G_even` is the gain for green pixels on even rows of the
          output, and `G_odd` is the gain for green pixels on the odd rows.
          These may be identical for a given camera device implementation; if
          the camera device does not support a separate gain for even/odd green
          channels, it will use the `G_even` value, and write `G_odd` equal to
          `G_even` in the output result metadata.

          The matrices for color transforms are defined as a 9-entry vector:

              android.colorCorrection.transform = [ I0 I1 I2 I3 I4 I5 I6 I7 I8 ]

          which define a transform from input sensor colors, `P_in = [ r g b ]`,
          to output linear sRGB, `P_out = [ r' g' b' ]`,

          with colors as follows:

              r' = I0r + I1g + I2b
              g' = I3r + I4g + I5b
              b' = I6r + I7g + I8b

          Both the input and output value ranges must match. Overflow/underflow
          values are clipped to fit within the range.
          </details>
          <hal_details>
          HAL must support both FAST and HIGH_QUALITY if color correction control is available
          on the camera device, but the underlying implementation can be the same for both modes.
          That is, if the highest quality implementation on the camera device does not slow down
          capture rate, then FAST and HIGH_QUALITY should generate the same output.
          </hal_details>
        </entry>
        <entry name="transform" type="rational" visibility="public"
               type_notes="3x3 rational matrix in row-major order"
               container="array" typedef="colorSpaceTransform" hwlevel="full">
          <array>
            <size>3</size>
            <size>3</size>
          </array>
          <description>A color transform matrix to use to transform
          from sensor RGB color space to output linear sRGB color space.
          </description>
          <units>Unitless scale factors</units>
          <details>This matrix is either set by the camera device when the request
          android.colorCorrection.mode is not TRANSFORM_MATRIX, or
          directly by the application in the request when the
          android.colorCorrection.mode is TRANSFORM_MATRIX.

          In the latter case, the camera device may round the matrix to account
          for precision issues; the final rounded matrix should be reported back
          in this matrix result metadata. The transform should keep the magnitude
          of the output color values within `[0, 1.0]` (assuming input color
          values is within the normalized range `[0, 1.0]`), or clipping may occur.

          The valid range of each matrix element varies on different devices, but
          values within [-1.5, 3.0] are guaranteed not to be clipped.
          </details>
        </entry>
        <entry name="gains" type="float" visibility="public"
               type_notes="A 1D array of floats for 4 color channel gains"
               container="array" typedef="rggbChannelVector" hwlevel="full">
          <array>
            <size>4</size>
          </array>
          <description>Gains applying to Bayer raw color channels for
          white-balance.</description>
          <units>Unitless gain factors</units>
          <details>
          These per-channel gains are either set by the camera device
          when the request android.colorCorrection.mode is not
          TRANSFORM_MATRIX, or directly by the application in the
          request when the android.colorCorrection.mode is
          TRANSFORM_MATRIX.

          The gains in the result metadata are the gains actually
          applied by the camera device to the current frame.

          The valid range of gains varies on different devices, but gains
          between [1.0, 3.0] are guaranteed not to be clipped. Even if a given
          device allows gains below 1.0, this is usually not recommended because
          this can create color artifacts.
          </details>
          <hal_details>
          The 4-channel white-balance gains are defined in
          the order of `[R G_even G_odd B]`, where `G_even` is the gain
          for green pixels on even rows of the output, and `G_odd`
          is the gain for green pixels on the odd rows.

          If a HAL does not support a separate gain for even/odd green
          channels, it must use the `G_even` value, and write
          `G_odd` equal to `G_even` in the output result metadata.
          </hal_details>
        </entry>
        <entry name="aberrationMode" type="byte" visibility="public" enum="true" hwlevel="legacy">
          <enum>
            <value>OFF
              <notes>
                No aberration correction is applied.
              </notes>
            </value>
            <value>FAST
              <notes>
                Aberration correction will not slow down capture rate
                relative to sensor raw output.
            </notes>
            </value>
            <value>HIGH_QUALITY
              <notes>
                Aberration correction operates at improved quality but the capture rate might be
                reduced (relative to sensor raw output rate)
            </notes>
            </value>
          </enum>
          <description>
            Mode of operation for the chromatic aberration correction algorithm.
          </description>
          <range>android.colorCorrection.availableAberrationModes</range>
          <details>
            Chromatic (color) aberration is caused by the fact that different wavelengths of light
            can not focus on the same point after exiting from the lens. This metadata defines
            the high level control of chromatic aberration correction algorithm, which aims to
            minimize the chromatic artifacts that may occur along the object boundaries in an
            image.

            FAST/HIGH_QUALITY both mean that camera device determined aberration
            correction will be applied. HIGH_QUALITY mode indicates that the camera device will
            use the highest-quality aberration correction algorithms, even if it slows down
            capture rate. FAST means the camera device will not slow down capture rate when
            applying aberration correction.

            LEGACY devices will always be in FAST mode.
          </details>
        </entry>
      </controls>
      <dynamic>
        <clone entry="android.colorCorrection.mode" kind="controls">
        </clone>
        <clone entry="android.colorCorrection.transform" kind="controls">
        </clone>
        <clone entry="android.colorCorrection.gains" kind="controls">
        </clone>
        <clone entry="android.colorCorrection.aberrationMode" kind="controls">
        </clone>
      </dynamic>
      <static>
        <entry name="availableAberrationModes" type="byte" visibility="public"
        type_notes="list of enums" container="array" typedef="enumList" hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
            List of aberration correction modes for android.colorCorrection.aberrationMode that are
            supported by this camera device.
          </description>
          <range>Any value listed in android.colorCorrection.aberrationMode</range>
          <details>
            This key lists the valid modes for android.colorCorrection.aberrationMode.  If no
            aberration correction modes are available for a device, this list will solely include
            OFF mode. All camera devices will support either OFF or FAST mode.

            Camera devices that support the MANUAL_POST_PROCESSING capability will always list
            OFF mode. This includes all FULL level devices.

            LEGACY devices will always only support FAST mode.
          </details>
          <hal_details>
            HAL must support both FAST and HIGH_QUALITY if chromatic aberration control is available
            on the camera device, but the underlying implementation can be the same for both modes.
            That is, if the highest quality implementation on the camera device does not slow down
            capture rate, then FAST and HIGH_QUALITY will generate the same output.
          </hal_details>
          <tag id="V1" />
        </entry>
      </static>
    </section>
    <section name="control">
      <controls>
        <entry name="aeAntibandingMode" type="byte" visibility="public"
               enum="true" hwlevel="legacy">
          <enum>
            <value>OFF
              <notes>
                The camera device will not adjust exposure duration to
                avoid banding problems.
              </notes>
            </value>
            <value>50HZ
              <notes>
                The camera device will adjust exposure duration to
                avoid banding problems with 50Hz illumination sources.
              </notes>
            </value>
            <value>60HZ
              <notes>
                The camera device will adjust exposure duration to
                avoid banding problems with 60Hz illumination
                sources.
              </notes>
            </value>
            <value>AUTO
              <notes>
                The camera device will automatically adapt its
                antibanding routine to the current illumination
                condition. This is the default mode if AUTO is
                available on given camera device.
              </notes>
            </value>
          </enum>
          <description>
            The desired setting for the camera device's auto-exposure
            algorithm's antibanding compensation.
          </description>
          <range>
            android.control.aeAvailableAntibandingModes
          </range>
          <details>
            Some kinds of lighting fixtures, such as some fluorescent
            lights, flicker at the rate of the power supply frequency
            (60Hz or 50Hz, depending on country). While this is
            typically not noticeable to a person, it can be visible to
            a camera device. If a camera sets its exposure time to the
            wrong value, the flicker may become visible in the
            viewfinder as flicker or in a final captured image, as a
            set of variable-brightness bands across the image.

            Therefore, the auto-exposure routines of camera devices
            include antibanding routines that ensure that the chosen
            exposure value will not cause such banding. The choice of
            exposure time depends on the rate of flicker, which the
            camera device can detect automatically, or the expected
            rate can be selected by the application using this
            control.

            A given camera device may not support all of the possible
            options for the antibanding mode. The
            android.control.aeAvailableAntibandingModes key contains
            the available modes for a given camera device.

            AUTO mode is the default if it is available on given
            camera device. When AUTO mode is not available, the
            default will be either 50HZ or 60HZ, and both 50HZ
            and 60HZ will be available.

            If manual exposure control is enabled (by setting
            android.control.aeMode or android.control.mode to OFF),
            then this setting has no effect, and the application must
            ensure it selects exposure times that do not cause banding
            issues. The android.statistics.sceneFlicker key can assist
            the application in this.
          </details>
          <hal_details>
            For all capture request templates, this field must be set
            to AUTO if AUTO mode is available. If AUTO is not available,
            the default must be either 50HZ or 60HZ, and both 50HZ and
            60HZ must be available.

            If manual exposure control is enabled (by setting
            android.control.aeMode or android.control.mode to OFF),
            then the exposure values provided by the application must not be
            adjusted for antibanding.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="aeExposureCompensation" type="int32" visibility="public" hwlevel="legacy">
          <description>Adjustment to auto-exposure (AE) target image
          brightness.</description>
          <units>Compensation steps</units>
          <range>android.control.aeCompensationRange</range>
          <details>
          The adjustment is measured as a count of steps, with the
          step size defined by android.control.aeCompensationStep and the
          allowed range by android.control.aeCompensationRange.

          For example, if the exposure value (EV) step is 0.333, '6'
          will mean an exposure compensation of +2 EV; -3 will mean an
          exposure compensation of -1 EV. One EV represents a doubling
          of image brightness. Note that this control will only be
          effective if android.control.aeMode `!=` OFF. This control
          will take effect even when android.control.aeLock `== true`.

          In the event of exposure compensation value being changed, camera device
          may take several frames to reach the newly requested exposure target.
          During that time, android.control.aeState field will be in the SEARCHING
          state. Once the new exposure target is reached, android.control.aeState will
          change from SEARCHING to either CONVERGED, LOCKED (if AE lock is enabled), or
          FLASH_REQUIRED (if the scene is too dark for still capture).
          </details>
          <tag id="BC" />
        </entry>
        <entry name="aeLock" type="byte" visibility="public" enum="true"
               typedef="boolean" hwlevel="legacy">
          <enum>
            <value>OFF
            <notes>Auto-exposure lock is disabled; the AE algorithm
            is free to update its parameters.</notes></value>
            <value>ON
            <notes>Auto-exposure lock is enabled; the AE algorithm
            must not update the exposure and sensitivity parameters
            while the lock is active.

            android.control.aeExposureCompensation setting changes
            will still take effect while auto-exposure is locked.

            Some rare LEGACY devices may not support
            this, in which case the value will always be overridden to OFF.
            </notes></value>
          </enum>
          <description>Whether auto-exposure (AE) is currently locked to its latest
          calculated values.</description>
          <details>
          When set to `true` (ON), the AE algorithm is locked to its latest parameters,
          and will not change exposure settings until the lock is set to `false` (OFF).

          Note that even when AE is locked, the flash may be fired if
          the android.control.aeMode is ON_AUTO_FLASH /
          ON_ALWAYS_FLASH / ON_AUTO_FLASH_REDEYE.

          When android.control.aeExposureCompensation is changed, even if the AE lock
          is ON, the camera device will still adjust its exposure value.

          If AE precapture is triggered (see android.control.aePrecaptureTrigger)
          when AE is already locked, the camera device will not change the exposure time
          (android.sensor.exposureTime) and sensitivity (android.sensor.sensitivity)
          parameters. The flash may be fired if the android.control.aeMode
          is ON_AUTO_FLASH/ON_AUTO_FLASH_REDEYE and the scene is too dark. If the
          android.control.aeMode is ON_ALWAYS_FLASH, the scene may become overexposed.
          Similarly, AE precapture trigger CANCEL has no effect when AE is already locked.

          When an AE precapture sequence is triggered, AE unlock will not be able to unlock
          the AE if AE is locked by the camera device internally during precapture metering
          sequence In other words, submitting requests with AE unlock has no effect for an
          ongoing precapture metering sequence. Otherwise, the precapture metering sequence
          will never succeed in a sequence of preview requests where AE lock is always set
          to `false`.

          Since the camera device has a pipeline of in-flight requests, the settings that
          get locked do not necessarily correspond to the settings that were present in the
          latest capture result received from the camera device, since additional captures
          and AE updates may have occurred even before the result was sent out. If an
          application is switching between automatic and manual control and wishes to eliminate
          any flicker during the switch, the following procedure is recommended:

            1. Starting in auto-AE mode:
            2. Lock AE
            3. Wait for the first result to be output that has the AE locked
            4. Copy exposure settings from that result into a request, set the request to manual AE
            5. Submit the capture request, proceed to run manual AE as desired.

          See android.control.aeState for AE lock related state transition details.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="aeMode" type="byte" visibility="public" enum="true" hwlevel="legacy">
          <enum>
            <value>OFF
              <notes>
                The camera device's autoexposure routine is disabled.

                The application-selected android.sensor.exposureTime,
                android.sensor.sensitivity and
                android.sensor.frameDuration are used by the camera
                device, along with android.flash.* fields, if there's
                a flash unit for this camera device.

                Note that auto-white balance (AWB) and auto-focus (AF)
                behavior is device dependent when AE is in OFF mode.
                To have consistent behavior across different devices,
                it is recommended to either set AWB and AF to OFF mode
                or lock AWB and AF before setting AE to OFF.
                See android.control.awbMode, android.control.afMode,
                android.control.awbLock, and android.control.afTrigger
                for more details.

                LEGACY devices do not support the OFF mode and will
                override attempts to use this value to ON.
              </notes>
            </value>
            <value>ON
              <notes>
                The camera device's autoexposure routine is active,
                with no flash control.

                The application's values for
                android.sensor.exposureTime,
                android.sensor.sensitivity, and
                android.sensor.frameDuration are ignored. The
                application has control over the various
                android.flash.* fields.
              </notes>
            </value>
            <value>ON_AUTO_FLASH
              <notes>
                Like ON, except that the camera device also controls
                the camera's flash unit, firing it in low-light
                conditions.

                The flash may be fired during a precapture sequence
                (triggered by android.control.aePrecaptureTrigger) and
                may be fired for captures for which the
                android.control.captureIntent field is set to
                STILL_CAPTURE
              </notes>
            </value>
            <value>ON_ALWAYS_FLASH
              <notes>
                Like ON, except that the camera device also controls
                the camera's flash unit, always firing it for still
                captures.

                The flash may be fired during a precapture sequence
                (triggered by android.control.aePrecaptureTrigger) and
                will always be fired for captures for which the
                android.control.captureIntent field is set to
                STILL_CAPTURE
              </notes>
            </value>
            <value>ON_AUTO_FLASH_REDEYE
              <notes>
                Like ON_AUTO_FLASH, but with automatic red eye
                reduction.

                If deemed necessary by the camera device, a red eye
                reduction flash will fire during the precapture
                sequence.
              </notes>
            </value>
            <value hal_version="3.3">ON_EXTERNAL_FLASH
              <notes>
                An external flash has been turned on.

                It informs the camera device that an external flash has been turned on, and that
                metering (and continuous focus if active) should be quickly recaculated to account
                for the external flash. Otherwise, this mode acts like ON.

                When the external flash is turned off, AE mode should be changed to one of the
                other available AE modes.

                If the camera device supports AE external flash mode, android.control.aeState must
                be FLASH_REQUIRED after the camera device finishes AE scan and it's too dark without
                flash.
              </notes>
            </value>
          </enum>
          <description>The desired mode for the camera device's
          auto-exposure routine.</description>
          <range>android.control.aeAvailableModes</range>
          <details>
            This control is only effective if android.control.mode is
            AUTO.

            When set to any of the ON modes, the camera device's
            auto-exposure routine is enabled, overriding the
            application's selected exposure time, sensor sensitivity,
            and frame duration (android.sensor.exposureTime,
            android.sensor.sensitivity, and
            android.sensor.frameDuration). If one of the FLASH modes
            is selected, the camera device's flash unit controls are
            also overridden.

            The FLASH modes are only available if the camera device
            has a flash unit (android.flash.info.available is `true`).

            If flash TORCH mode is desired, this field must be set to
            ON or OFF, and android.flash.mode set to TORCH.

            When set to any of the ON modes, the values chosen by the
            camera device auto-exposure routine for the overridden
            fields for a given capture will be available in its
            CaptureResult.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="aeRegions" type="int32" visibility="public"
            optional="true" container="array" typedef="meteringRectangle">
          <array>
            <size>5</size>
            <size>area_count</size>
          </array>
          <description>List of metering areas to use for auto-exposure adjustment.</description>
          <units>Pixel coordinates within android.sensor.info.activeArraySize or
            android.sensor.info.preCorrectionActiveArraySize depending on
            distortion correction capability and mode</units>
          <range>Coordinates must be between `[(0,0), (width, height))` of
            android.sensor.info.activeArraySize or android.sensor.info.preCorrectionActiveArraySize
            depending on distortion correction capability and mode</range>
          <details>
              Not available if android.control.maxRegionsAe is 0.
              Otherwise will always be present.

              The maximum number of regions supported by the device is determined by the value
              of android.control.maxRegionsAe.

              For devices not supporting android.distortionCorrection.mode control, the coordinate
              system always follows that of android.sensor.info.activeArraySize, with (0,0) being
              the top-left pixel in the active pixel array, and
              (android.sensor.info.activeArraySize.width - 1,
              android.sensor.info.activeArraySize.height - 1) being the bottom-right pixel in the
              active pixel array.

              For devices supporting android.distortionCorrection.mode control, the coordinate
              system depends on the mode being set.
              When the distortion correction mode is OFF, the coordinate system follows
              android.sensor.info.preCorrectionActiveArraySize, with
              `(0, 0)` being the top-left pixel of the pre-correction active array, and
              (android.sensor.info.preCorrectionActiveArraySize.width - 1,
              android.sensor.info.preCorrectionActiveArraySize.height - 1) being the bottom-right
              pixel in the pre-correction active pixel array.
              When the distortion correction mode is not OFF, the coordinate system follows
              android.sensor.info.activeArraySize, with
              `(0, 0)` being the top-left pixel of the active array, and
              (android.sensor.info.activeArraySize.width - 1,
              android.sensor.info.activeArraySize.height - 1) being the bottom-right pixel in the
              active pixel array.

              The weight must be within `[0, 1000]`, and represents a weight
              for every pixel in the area. This means that a large metering area
              with the same weight as a smaller area will have more effect in
              the metering result. Metering areas can partially overlap and the
              camera device will add the weights in the overlap region.

              The weights are relative to weights of other exposure metering regions, so if only one
              region is used, all non-zero weights will have the same effect. A region with 0
              weight is ignored.

              If all regions have 0 weight, then no specific metering area needs to be used by the
              camera device.

              If the metering region is outside the used android.scaler.cropRegion returned in
              capture result metadata, the camera device will ignore the sections outside the crop
              region and output only the intersection rectangle as the metering region in the result
              metadata.  If the region is entirely outside the crop region, it will be ignored and
              not reported in the result metadata.

              Starting from API level 30, the coordinate system of activeArraySize or
              preCorrectionActiveArraySize is used to represent post-zoomRatio field of view, not
              pre-zoom field of view. This means that the same aeRegions values at different
              android.control.zoomRatio represent different parts of the scene. The aeRegions
              coordinates are relative to the activeArray/preCorrectionActiveArray representing the
              zoomed field of view. If android.control.zoomRatio is set to 1.0 (default), the same
              aeRegions at different android.scaler.cropRegion still represent the same parts of the
              scene as they do before. See android.control.zoomRatio for details. Whether to use
              activeArraySize or preCorrectionActiveArraySize still depends on distortion correction
              mode.

              For camera devices with the
              {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_ULTRA_HIGH_RESOLUTION_SENSOR}
              capability,
              android.sensor.info.activeArraySizeMaximumResolution /
              android.sensor.info.preCorrectionActiveArraySizeMaximumResolution must be used as the
              coordinate system for requests where android.sensor.pixelMode is set to
              {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </details>
          <ndk_details>
              The data representation is `int[5 * area_count]`.
              Every five elements represent a metering region of `(xmin, ymin, xmax, ymax, weight)`.
              The rectangle is defined to be inclusive on xmin and ymin, but exclusive on xmax and
              ymax.
          </ndk_details>
          <hal_details>
              The HAL level representation of MeteringRectangle[] is a
              int[5 * area_count].
              Every five elements represent a metering region of
              (xmin, ymin, xmax, ymax, weight).
              The rectangle is defined to be inclusive on xmin and ymin, but
              exclusive on xmax and ymax.
              HAL must always report metering regions in the coordinate system of pre-correction
              active array.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="aeTargetFpsRange" type="int32" visibility="public"
               container="array" typedef="rangeInt" hwlevel="legacy">
          <array>
            <size>2</size>
          </array>
          <description>Range over which the auto-exposure routine can
          adjust the capture frame rate to maintain good
          exposure.</description>
          <units>Frames per second (FPS)</units>
          <range>Any of the entries in android.control.aeAvailableTargetFpsRanges</range>
          <details>Only constrains auto-exposure (AE) algorithm, not
          manual control of android.sensor.exposureTime and
          android.sensor.frameDuration.</details>
          <tag id="BC" />
        </entry>
        <entry name="aePrecaptureTrigger" type="byte" visibility="public"
               enum="true" hwlevel="limited">
          <enum>
            <value>IDLE
              <notes>The trigger is idle.</notes>
            </value>
            <value>START
              <notes>The precapture metering sequence will be started
              by the camera device.

              The exact effect of the precapture trigger depends on
              the current AE mode and state.</notes>
            </value>
            <value>CANCEL
              <notes>The camera device will cancel any currently active or completed
              precapture metering sequence, the auto-exposure routine will return to its
              initial state.</notes>
            </value>
          </enum>
          <description>Whether the camera device will trigger a precapture
          metering sequence when it processes this request.</description>
          <details>This entry is normally set to IDLE, or is not
          included at all in the request settings. When included and
          set to START, the camera device will trigger the auto-exposure (AE)
          precapture metering sequence.

          When set to CANCEL, the camera device will cancel any active
          precapture metering trigger, and return to its initial AE state.
          If a precapture metering sequence is already completed, and the camera
          device has implicitly locked the AE for subsequent still capture, the
          CANCEL trigger will unlock the AE and return to its initial AE state.

          The precapture sequence should be triggered before starting a
          high-quality still capture for final metering decisions to
          be made, and for firing pre-capture flash pulses to estimate
          scene brightness and required final capture flash power, when
          the flash is enabled.

          Normally, this entry should be set to START for only a
          single request, and the application should wait until the
          sequence completes before starting a new one.

          When a precapture metering sequence is finished, the camera device
          may lock the auto-exposure routine internally to be able to accurately expose the
          subsequent still capture image (`android.control.captureIntent == STILL_CAPTURE`).
          For this case, the AE may not resume normal scan if no subsequent still capture is
          submitted. To ensure that the AE routine restarts normal scan, the application should
          submit a request with `android.control.aeLock == true`, followed by a request
          with `android.control.aeLock == false`, if the application decides not to submit a
          still capture request after the precapture sequence completes. Alternatively, for
          API level 23 or newer devices, the CANCEL can be used to unlock the camera device
          internally locked AE if the application doesn't submit a still capture request after
          the AE precapture trigger. Note that, the CANCEL was added in API level 23, and must not
          be used in devices that have earlier API levels.

          The exact effect of auto-exposure (AE) precapture trigger
          depends on the current AE mode and state; see
          android.control.aeState for AE precapture state transition
          details.

          On LEGACY-level devices, the precapture trigger is not supported;
          capturing a high-resolution JPEG image will automatically trigger a
          precapture sequence before the high-resolution capture, including
          potentially firing a pre-capture flash.

          Using the precapture trigger and the auto-focus trigger android.control.afTrigger
          simultaneously is allowed. However, since these triggers often require cooperation between
          the auto-focus and auto-exposure routines (for example, the may need to be enabled for a
          focus sweep), the camera device may delay acting on a later trigger until the previous
          trigger has been fully handled. This may lead to longer intervals between the trigger and
          changes to android.control.aeState indicating the start of the precapture sequence, for
          example.

          If both the precapture and the auto-focus trigger are activated on the same request, then
          the camera device will complete them in the optimal order for that device.
          </details>
          <hal_details>
          The HAL must support triggering the AE precapture trigger while an AF trigger is active
          (and vice versa), or at the same time as the AF trigger.  It is acceptable for the HAL to
          treat these as two consecutive triggers, for example handling the AF trigger and then the
          AE trigger.  Or the HAL may choose to optimize the case with both triggers fired at once,
          to minimize the latency for converging both focus and exposure/flash usage.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="afMode" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>OFF
            <notes>The auto-focus routine does not control the lens;
            android.lens.focusDistance is controlled by the
            application.</notes></value>
            <value>AUTO
            <notes>Basic automatic focus mode.

            In this mode, the lens does not move unless
            the autofocus trigger action is called. When that trigger
            is activated, AF will transition to ACTIVE_SCAN, then to
            the outcome of the scan (FOCUSED or NOT_FOCUSED).

            Always supported if lens is not fixed focus.

            Use android.lens.info.minimumFocusDistance to determine if lens
            is fixed-focus.

            Triggering AF_CANCEL resets the lens position to default,
            and sets the AF state to INACTIVE.</notes></value>
            <value>MACRO
            <notes>Close-up focusing mode.

            In this mode, the lens does not move unless the
            autofocus trigger action is called. When that trigger is
            activated, AF will transition to ACTIVE_SCAN, then to
            the outcome of the scan (FOCUSED or NOT_FOCUSED). This
            mode is optimized for focusing on objects very close to
            the camera.

            When that trigger is activated, AF will transition to
            ACTIVE_SCAN, then to the outcome of the scan (FOCUSED or
            NOT_FOCUSED). Triggering cancel AF resets the lens
            position to default, and sets the AF state to
            INACTIVE.</notes></value>
            <value>CONTINUOUS_VIDEO
            <notes>In this mode, the AF algorithm modifies the lens
            position continually to attempt to provide a
            constantly-in-focus image stream.

            The focusing behavior should be suitable for good quality
            video recording; typically this means slower focus
            movement and no overshoots. When the AF trigger is not
            involved, the AF algorithm should start in INACTIVE state,
            and then transition into PASSIVE_SCAN and PASSIVE_FOCUSED
            states as appropriate. When the AF trigger is activated,
            the algorithm should immediately transition into
            AF_FOCUSED or AF_NOT_FOCUSED as appropriate, and lock the
            lens position until a cancel AF trigger is received.

            Once cancel is received, the algorithm should transition
            back to INACTIVE and resume passive scan. Note that this
            behavior is not identical to CONTINUOUS_PICTURE, since an
            ongoing PASSIVE_SCAN must immediately be
            canceled.</notes></value>
            <value>CONTINUOUS_PICTURE
            <notes>In this mode, the AF algorithm modifies the lens
            position continually to attempt to provide a
            constantly-in-focus image stream.

            The focusing behavior should be suitable for still image
            capture; typically this means focusing as fast as
            possible. When the AF trigger is not involved, the AF
            algorithm should start in INACTIVE state, and then
            transition into PASSIVE_SCAN and PASSIVE_FOCUSED states as
            appropriate as it attempts to maintain focus. When the AF
            trigger is activated, the algorithm should finish its
            PASSIVE_SCAN if active, and then transition into
            AF_FOCUSED or AF_NOT_FOCUSED as appropriate, and lock the
            lens position until a cancel AF trigger is received.

            When the AF cancel trigger is activated, the algorithm
            should transition back to INACTIVE and then act as if it
            has just been started.</notes></value>
            <value>EDOF
            <notes>Extended depth of field (digital focus) mode.

            The camera device will produce images with an extended
            depth of field automatically; no special focusing
            operations need to be done before taking a picture.

            AF triggers are ignored, and the AF state will always be
            INACTIVE.</notes></value>
          </enum>
          <description>Whether auto-focus (AF) is currently enabled, and what
          mode it is set to.</description>
          <range>android.control.afAvailableModes</range>
          <details>Only effective if android.control.mode = AUTO and the lens is not fixed focus
          (i.e. `android.lens.info.minimumFocusDistance &gt; 0`). Also note that
          when android.control.aeMode is OFF, the behavior of AF is device
          dependent. It is recommended to lock AF by using android.control.afTrigger before
          setting android.control.aeMode to OFF, or set AF mode to OFF when AE is OFF.

          If the lens is controlled by the camera device auto-focus algorithm,
          the camera device will report the current AF status in android.control.afState
          in result metadata.</details>
          <hal_details>
          When afMode is AUTO or MACRO, the lens must not move until an AF trigger is sent in a
          request (android.control.afTrigger `==` START). After an AF trigger, the afState will end
          up with either FOCUSED_LOCKED or NOT_FOCUSED_LOCKED state (see
          android.control.afState for detailed state transitions), which indicates that the lens is
          locked and will not move. If camera movement (e.g. tilting camera) causes the lens to move
          after the lens is locked, the HAL must compensate this movement appropriately such that
          the same focal plane remains in focus.

          When afMode is one of the continuous auto focus modes, the HAL is free to start a AF
          scan whenever it's not locked. When the lens is locked after an AF trigger
          (see android.control.afState for detailed state transitions), the HAL should maintain the
          same lock behavior as above.

          When afMode is OFF, the application controls focus manually. The accuracy of the
          focus distance control depends on the android.lens.info.focusDistanceCalibration.
          However, the lens must not move regardless of the camera movement for any focus distance
          manual control.

          To put this in concrete terms, if the camera has lens elements which may move based on
          camera orientation or motion (e.g. due to gravity), then the HAL must drive the lens to
          remain in a fixed position invariant to the camera's orientation or motion, for example,
          by using accelerometer measurements in the lens control logic. This is a typical issue
          that will arise on camera modules with open-loop VCMs.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="afRegions" type="int32" visibility="public"
               optional="true" container="array" typedef="meteringRectangle">
          <array>
            <size>5</size>
            <size>area_count</size>
          </array>
          <description>List of metering areas to use for auto-focus.</description>
          <units>Pixel coordinates within android.sensor.info.activeArraySize or
            android.sensor.info.preCorrectionActiveArraySize depending on
            distortion correction capability and mode</units>
          <range>Coordinates must be between `[(0,0), (width, height))` of
            android.sensor.info.activeArraySize or android.sensor.info.preCorrectionActiveArraySize
            depending on distortion correction capability and mode</range>
          <details>
              Not available if android.control.maxRegionsAf is 0.
              Otherwise will always be present.

              The maximum number of focus areas supported by the device is determined by the value
              of android.control.maxRegionsAf.


              For devices not supporting android.distortionCorrection.mode control, the coordinate
              system always follows that of android.sensor.info.activeArraySize, with (0,0) being
              the top-left pixel in the active pixel array, and
              (android.sensor.info.activeArraySize.width - 1,
              android.sensor.info.activeArraySize.height - 1) being the bottom-right pixel in the
              active pixel array.

              For devices supporting android.distortionCorrection.mode control, the coordinate
              system depends on the mode being set.
              When the distortion correction mode is OFF, the coordinate system follows
              android.sensor.info.preCorrectionActiveArraySize, with
              `(0, 0)` being the top-left pixel of the pre-correction active array, and
              (android.sensor.info.preCorrectionActiveArraySize.width - 1,
              android.sensor.info.preCorrectionActiveArraySize.height - 1) being the bottom-right
              pixel in the pre-correction active pixel array.
              When the distortion correction mode is not OFF, the coordinate system follows
              android.sensor.info.activeArraySize, with
              `(0, 0)` being the top-left pixel of the active array, and
              (android.sensor.info.activeArraySize.width - 1,
              android.sensor.info.activeArraySize.height - 1) being the bottom-right pixel in the
              active pixel array.

              The weight must be within `[0, 1000]`, and represents a weight
              for every pixel in the area. This means that a large metering area
              with the same weight as a smaller area will have more effect in
              the metering result. Metering areas can partially overlap and the
              camera device will add the weights in the overlap region.

              The weights are relative to weights of other metering regions, so if only one region
              is used, all non-zero weights will have the same effect. A region with 0 weight is
              ignored.

              If all regions have 0 weight, then no specific metering area needs to be used by the
              camera device. The capture result will either be a zero weight region as well, or
              the region selected by the camera device as the focus area of interest.

              If the metering region is outside the used android.scaler.cropRegion returned in
              capture result metadata, the camera device will ignore the sections outside the crop
              region and output only the intersection rectangle as the metering region in the result
              metadata. If the region is entirely outside the crop region, it will be ignored and
              not reported in the result metadata.

              Starting from API level 30, the coordinate system of activeArraySize or
              preCorrectionActiveArraySize is used to represent post-zoomRatio field of view, not
              pre-zoom field of view. This means that the same afRegions values at different
              android.control.zoomRatio represent different parts of the scene. The afRegions
              coordinates are relative to the activeArray/preCorrectionActiveArray representing the
              zoomed field of view. If android.control.zoomRatio is set to 1.0 (default), the same
              afRegions at different android.scaler.cropRegion still represent the same parts of the
              scene as they do before. See android.control.zoomRatio for details. Whether to use
              activeArraySize or preCorrectionActiveArraySize still depends on distortion correction
              mode.

              For camera devices with the
              {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_ULTRA_HIGH_RESOLUTION_SENSOR}
              capability, android.sensor.info.activeArraySizeMaximumResolution /
              android.sensor.info.preCorrectionActiveArraySizeMaximumResolution must be used as the
              coordinate system for requests where android.sensor.pixelMode is set to
              {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </details>
          <ndk_details>
              The data representation is `int[5 * area_count]`.
              Every five elements represent a metering region of `(xmin, ymin, xmax, ymax, weight)`.
              The rectangle is defined to be inclusive on xmin and ymin, but exclusive on xmax and
              ymax.
          </ndk_details>
          <hal_details>
              The HAL level representation of MeteringRectangle[] is a
              int[5 * area_count].
              Every five elements represent a metering region of
              (xmin, ymin, xmax, ymax, weight).
              The rectangle is defined to be inclusive on xmin and ymin, but
              exclusive on xmax and ymax.
              HAL must always report metering regions in the coordinate system of pre-correction
              active array.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="afTrigger" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>IDLE
              <notes>The trigger is idle.</notes>
            </value>
            <value>START
              <notes>Autofocus will trigger now.</notes>
            </value>
            <value>CANCEL
              <notes>Autofocus will return to its initial
              state, and cancel any currently active trigger.</notes>
            </value>
          </enum>
          <description>
          Whether the camera device will trigger autofocus for this request.
          </description>
          <details>This entry is normally set to IDLE, or is not
          included at all in the request settings.

          When included and set to START, the camera device will trigger the
          autofocus algorithm. If autofocus is disabled, this trigger has no effect.

          When set to CANCEL, the camera device will cancel any active trigger,
          and return to its initial AF state.

          Generally, applications should set this entry to START or CANCEL for only a
          single capture, and then return it to IDLE (or not set at all). Specifying
          START for multiple captures in a row means restarting the AF operation over
          and over again.

          See android.control.afState for what the trigger means for each AF mode.

          Using the autofocus trigger and the precapture trigger android.control.aePrecaptureTrigger
          simultaneously is allowed. However, since these triggers often require cooperation between
          the auto-focus and auto-exposure routines (for example, the may need to be enabled for a
          focus sweep), the camera device may delay acting on a later trigger until the previous
          trigger has been fully handled. This may lead to longer intervals between the trigger and
          changes to android.control.afState, for example.
          </details>
          <hal_details>
          The HAL must support triggering the AF trigger while an AE precapture trigger is active
          (and vice versa), or at the same time as the AE trigger.  It is acceptable for the HAL to
          treat these as two consecutive triggers, for example handling the AF trigger and then the
          AE trigger.  Or the HAL may choose to optimize the case with both triggers fired at once,
          to minimize the latency for converging both focus and exposure/flash usage.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="awbLock" type="byte" visibility="public" enum="true"
               typedef="boolean" hwlevel="legacy">
          <enum>
            <value>OFF
            <notes>Auto-white balance lock is disabled; the AWB
            algorithm is free to update its parameters if in AUTO
            mode.</notes></value>
            <value>ON
            <notes>Auto-white balance lock is enabled; the AWB
            algorithm will not update its parameters while the lock
            is active.</notes></value>
          </enum>
          <description>Whether auto-white balance (AWB) is currently locked to its
          latest calculated values.</description>
          <details>
          When set to `true` (ON), the AWB algorithm is locked to its latest parameters,
          and will not change color balance settings until the lock is set to `false` (OFF).

          Since the camera device has a pipeline of in-flight requests, the settings that
          get locked do not necessarily correspond to the settings that were present in the
          latest capture result received from the camera device, since additional captures
          and AWB updates may have occurred even before the result was sent out. If an
          application is switching between automatic and manual control and wishes to eliminate
          any flicker during the switch, the following procedure is recommended:

            1. Starting in auto-AWB mode:
            2. Lock AWB
            3. Wait for the first result to be output that has the AWB locked
            4. Copy AWB settings from that result into a request, set the request to manual AWB
            5. Submit the capture request, proceed to run manual AWB as desired.

          Note that AWB lock is only meaningful when
          android.control.awbMode is in the AUTO mode; in other modes,
          AWB is already fixed to a specific setting.

          Some LEGACY devices may not support ON; the value is then overridden to OFF.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="awbMode" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>OFF
            <notes>
            The camera device's auto-white balance routine is disabled.

            The application-selected color transform matrix
            (android.colorCorrection.transform) and gains
            (android.colorCorrection.gains) are used by the camera
            device for manual white balance control.
            </notes>
            </value>
            <value>AUTO
            <notes>
            The camera device's auto-white balance routine is active.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>INCANDESCENT
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses incandescent light as the assumed scene
            illumination for white balance.

            While the exact white balance transforms are up to the
            camera device, they will approximately match the CIE
            standard illuminant A.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>FLUORESCENT
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses fluorescent light as the assumed scene
            illumination for white balance.

            While the exact white balance transforms are up to the
            camera device, they will approximately match the CIE
            standard illuminant F2.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>WARM_FLUORESCENT
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses warm fluorescent light as the assumed scene
            illumination for white balance.

            While the exact white balance transforms are up to the
            camera device, they will approximately match the CIE
            standard illuminant F4.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>DAYLIGHT
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses daylight light as the assumed scene
            illumination for white balance.

            While the exact white balance transforms are up to the
            camera device, they will approximately match the CIE
            standard illuminant D65.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>CLOUDY_DAYLIGHT
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses cloudy daylight light as the assumed scene
            illumination for white balance.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>TWILIGHT
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses twilight light as the assumed scene
            illumination for white balance.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
            <value>SHADE
            <notes>
            The camera device's auto-white balance routine is disabled;
            the camera device uses shade light as the assumed scene
            illumination for white balance.

            The application's values for android.colorCorrection.transform
            and android.colorCorrection.gains are ignored.
            For devices that support the MANUAL_POST_PROCESSING capability, the
            values used by the camera device for the transform and gains
            will be available in the capture result for this request.
            </notes>
            </value>
          </enum>
          <description>Whether auto-white balance (AWB) is currently setting the color
          transform fields, and what its illumination target
          is.</description>
          <range>android.control.awbAvailableModes</range>
          <details>
          This control is only effective if android.control.mode is AUTO.

          When set to the AUTO mode, the camera device's auto-white balance
          routine is enabled, overriding the application's selected
          android.colorCorrection.transform, android.colorCorrection.gains and
          android.colorCorrection.mode. Note that when android.control.aeMode
          is OFF, the behavior of AWB is device dependent. It is recommened to
          also set AWB mode to OFF or lock AWB by using android.control.awbLock before
          setting AE mode to OFF.

          When set to the OFF mode, the camera device's auto-white balance
          routine is disabled. The application manually controls the white
          balance by android.colorCorrection.transform, android.colorCorrection.gains
          and android.colorCorrection.mode.

          When set to any other modes, the camera device's auto-white
          balance routine is disabled. The camera device uses each
          particular illumination target for white balance
          adjustment. The application's values for
          android.colorCorrection.transform,
          android.colorCorrection.gains and
          android.colorCorrection.mode are ignored.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="awbRegions" type="int32" visibility="public"
               optional="true" container="array" typedef="meteringRectangle">
          <array>
            <size>5</size>
            <size>area_count</size>
          </array>
          <description>List of metering areas to use for auto-white-balance illuminant
          estimation.</description>
          <units>Pixel coordinates within android.sensor.info.activeArraySize or
            android.sensor.info.preCorrectionActiveArraySize depending on
            distortion correction capability and mode</units>
          <range>Coordinates must be between `[(0,0), (width, height))` of
            android.sensor.info.activeArraySize or android.sensor.info.preCorrectionActiveArraySize
            depending on distortion correction capability and mode</range>
          <details>
              Not available if android.control.maxRegionsAwb is 0.
              Otherwise will always be present.

              The maximum number of regions supported by the device is determined by the value
              of android.control.maxRegionsAwb.

              For devices not supporting android.distortionCorrection.mode control, the coordinate
              system always follows that of android.sensor.info.activeArraySize, with (0,0) being
              the top-left pixel in the active pixel array, and
              (android.sensor.info.activeArraySize.width - 1,
              android.sensor.info.activeArraySize.height - 1) being the bottom-right pixel in the
              active pixel array.

              For devices supporting android.distortionCorrection.mode control, the coordinate
              system depends on the mode being set.
              When the distortion correction mode is OFF, the coordinate system follows
              android.sensor.info.preCorrectionActiveArraySize, with
              `(0, 0)` being the top-left pixel of the pre-correction active array, and
              (android.sensor.info.preCorrectionActiveArraySize.width - 1,
              android.sensor.info.preCorrectionActiveArraySize.height - 1) being the bottom-right
              pixel in the pre-correction active pixel array.
              When the distortion correction mode is not OFF, the coordinate system follows
              android.sensor.info.activeArraySize, with
              `(0, 0)` being the top-left pixel of the active array, and
              (android.sensor.info.activeArraySize.width - 1,
              android.sensor.info.activeArraySize.height - 1) being the bottom-right pixel in the
              active pixel array.

              The weight must range from 0 to 1000, and represents a weight
              for every pixel in the area. This means that a large metering area
              with the same weight as a smaller area will have more effect in
              the metering result. Metering areas can partially overlap and the
              camera device will add the weights in the overlap region.

              The weights are relative to weights of other white balance metering regions, so if
              only one region is used, all non-zero weights will have the same effect. A region with
              0 weight is ignored.

              If all regions have 0 weight, then no specific metering area needs to be used by the
              camera device.

              If the metering region is outside the used android.scaler.cropRegion returned in
              capture result metadata, the camera device will ignore the sections outside the crop
              region and output only the intersection rectangle as the metering region in the result
              metadata.  If the region is entirely outside the crop region, it will be ignored and
              not reported in the result metadata.

              Starting from API level 30, the coordinate system of activeArraySize or
              preCorrectionActiveArraySize is used to represent post-zoomRatio field of view, not
              pre-zoom field of view. This means that the same awbRegions values at different
              android.control.zoomRatio represent different parts of the scene. The awbRegions
              coordinates are relative to the activeArray/preCorrectionActiveArray representing the
              zoomed field of view. If android.control.zoomRatio is set to 1.0 (default), the same
              awbRegions at different android.scaler.cropRegion still represent the same parts of
              the scene as they do before. See android.control.zoomRatio for details. Whether to use
              activeArraySize or preCorrectionActiveArraySize still depends on distortion correction
              mode.

              For camera devices with the
              {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_ULTRA_HIGH_RESOLUTION_SENSOR}
              capability, android.sensor.info.activeArraySizeMaximumResolution /
              android.sensor.info.preCorrectionActiveArraySizeMaximumResolution must be used as the
              coordinate system for requests where android.sensor.pixelMode is set to
              {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </details>
          <ndk_details>
              The data representation is `int[5 * area_count]`.
              Every five elements represent a metering region of `(xmin, ymin, xmax, ymax, weight)`.
              The rectangle is defined to be inclusive on xmin and ymin, but exclusive on xmax and
              ymax.
          </ndk_details>
          <hal_details>
              The HAL level representation of MeteringRectangle[] is a
              int[5 * area_count].
              Every five elements represent a metering region of
              (xmin, ymin, xmax, ymax, weight).
              The rectangle is defined to be inclusive on xmin and ymin, but
              exclusive on xmax and ymax.
              HAL must always report metering regions in the coordinate system of pre-correction
              active array.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="captureIntent" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>CUSTOM
            <notes>The goal of this request doesn't fall into the other
            categories. The camera device will default to preview-like
            behavior.</notes></value>
            <value>PREVIEW
            <notes>This request is for a preview-like use case.

            The precapture trigger may be used to start off a metering
            w/flash sequence.
            </notes></value>
            <value>STILL_CAPTURE
            <notes>This request is for a still capture-type
            use case.

            If the flash unit is under automatic control, it may fire as needed.
            </notes></value>
            <value>VIDEO_RECORD
            <notes>This request is for a video recording
            use case.</notes></value>
            <value>VIDEO_SNAPSHOT
            <notes>This request is for a video snapshot (still
            image while recording video) use case.

            The camera device should take the highest-quality image
            possible (given the other settings) without disrupting the
            frame rate of video recording.  </notes></value>
            <value>ZERO_SHUTTER_LAG
            <notes>This request is for a ZSL usecase; the
            application will stream full-resolution images and
            reprocess one or several later for a final
            capture.
            </notes></value>
            <value>MANUAL
            <notes>This request is for manual capture use case where
            the applications want to directly control the capture parameters.

            For example, the application may wish to manually control
            android.sensor.exposureTime, android.sensor.sensitivity, etc.
            </notes></value>
            <value hal_version="3.3">MOTION_TRACKING
            <notes>This request is for a motion tracking use case, where
            the application will use camera and inertial sensor data to
            locate and track objects in the world.

            The camera device auto-exposure routine will limit the exposure time
            of the camera to no more than 20 milliseconds, to minimize motion blur.
            </notes></value>
          </enum>
          <description>Information to the camera device 3A (auto-exposure,
          auto-focus, auto-white balance) routines about the purpose
          of this capture, to help the camera device to decide optimal 3A
          strategy.</description>
          <details>This control (except for MANUAL) is only effective if
          `android.control.mode != OFF` and any 3A routine is active.

          All intents are supported by all devices, except that:
            * ZERO_SHUTTER_LAG will be supported if android.request.availableCapabilities contains
          PRIVATE_REPROCESSING or YUV_REPROCESSING.
            * MANUAL will be supported if android.request.availableCapabilities contains
          MANUAL_SENSOR.
            * MOTION_TRACKING will be supported if android.request.availableCapabilities contains
          MOTION_TRACKING.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="effectMode" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>OFF
              <notes>
              No color effect will be applied.
              </notes>
            </value>
            <value optional="true">MONO
              <notes>
              A "monocolor" effect where the image is mapped into
              a single color.

              This will typically be grayscale.
              </notes>
            </value>
            <value optional="true">NEGATIVE
              <notes>
              A "photo-negative" effect where the image's colors
              are inverted.
              </notes>
            </value>
            <value optional="true">SOLARIZE
              <notes>
              A "solarisation" effect (Sabattier effect) where the
              image is wholly or partially reversed in
              tone.
              </notes>
            </value>
            <value optional="true">SEPIA
              <notes>
              A "sepia" effect where the image is mapped into warm
              gray, red, and brown tones.
              </notes>
            </value>
            <value optional="true">POSTERIZE
              <notes>
              A "posterization" effect where the image uses
              discrete regions of tone rather than a continuous
              gradient of tones.
              </notes>
            </value>
            <value optional="true">WHITEBOARD
              <notes>
              A "whiteboard" effect where the image is typically displayed
              as regions of white, with black or grey details.
              </notes>
            </value>
            <value optional="true">BLACKBOARD
              <notes>
              A "blackboard" effect where the image is typically displayed
              as regions of black, with white or grey details.
              </notes>
            </value>
            <value optional="true">AQUA
              <notes>
              An "aqua" effect where a blue hue is added to the image.
              </notes>
            </value>
          </enum>
          <description>A special color effect to apply.</description>
          <range>android.control.availableEffects</range>
          <details>
          When this mode is set, a color effect will be applied
          to images produced by the camera device. The interpretation
          and implementation of these color effects is left to the
          implementor of the camera device, and should not be
          depended on to be consistent (or present) across all
          devices.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="mode" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>OFF
            <notes>Full application control of pipeline.

            All control by the device's metering and focusing (3A)
            routines is disabled, and no other settings in
            android.control.* have any effect, except that
            android.control.captureIntent may be used by the camera
            device to select post-processing values for processing
            blocks that do not allow for manual control, or are not
            exposed by the camera API.

            However, the camera device's 3A routines may continue to
            collect statistics and update their internal state so that
            when control is switched to AUTO mode, good control values
            can be immediately applied.
            </notes></value>
            <value>AUTO
            <notes>Use settings for each individual 3A routine.

            Manual control of capture parameters is disabled. All
            controls in android.control.* besides sceneMode take
            effect.</notes></value>
            <value optional="true">USE_SCENE_MODE
            <notes>Use a specific scene mode.

            Enabling this disables control.aeMode, control.awbMode and
            control.afMode controls; the camera device will ignore
            those settings while USE_SCENE_MODE is active (except for
            FACE_PRIORITY scene mode). Other control entries are still active.
            This setting can only be used if scene mode is supported (i.e.
            android.control.availableSceneModes
            contain some modes other than DISABLED).

            For extended scene modes such as BOKEH, please use USE_EXTENDED_SCENE_MODE instead.
            </notes></value>
            <value optional="true">OFF_KEEP_STATE
            <notes>Same as OFF mode, except that this capture will not be
            used by camera device background auto-exposure, auto-white balance and
            auto-focus algorithms (3A) to update their statistics.

            Specifically, the 3A routines are locked to the last
            values set from a request with AUTO, OFF, or
            USE_SCENE_MODE, and any statistics or state updates
            collected from manual captures with OFF_KEEP_STATE will be
            discarded by the camera device.
            </notes></value>
            <value optional="true" hal_version="3.5">USE_EXTENDED_SCENE_MODE
            <notes>Use a specific extended scene mode.

            When extended scene mode is on, the camera device may override certain control
            parameters, such as targetFpsRange, AE, AWB, and AF modes, to achieve best power and
            quality tradeoffs. Only the mandatory stream combinations of LIMITED hardware level
            are guaranteed.

            This setting can only be used if extended scene mode is supported (i.e.
            android.control.availableExtendedSceneModes
            contains some modes other than DISABLED).</notes></value>
          </enum>
          <description>Overall mode of 3A (auto-exposure, auto-white-balance, auto-focus) control
          routines.</description>
          <range>android.control.availableModes</range>
          <details>
          This is a top-level 3A control switch. When set to OFF, all 3A control
          by the camera device is disabled. The application must set the fields for
          capture parameters itself.

          When set to AUTO, the individual algorithm controls in
          android.control.* are in effect, such as android.control.afMode.

          When set to USE_SCENE_MODE or USE_EXTENDED_SCENE_MODE, the individual controls in
          android.control.* are mostly disabled, and the camera device
          implements one of the scene mode or extended scene mode settings (such as ACTION,
          SUNSET, PARTY, or BOKEH) as it wishes. The camera device scene mode
          3A settings are provided by {@link
          android.hardware.camera2.CaptureResult|ACameraCaptureSession_captureCallback_result
          capture results}.

          When set to OFF_KEEP_STATE, it is similar to OFF mode, the only difference
          is that this frame will not be used by camera device background 3A statistics
          update, as if this frame is never captured. This mode can be used in the scenario
          where the application doesn't want a 3A manual control capture to affect
          the subsequent auto 3A capture results.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="sceneMode" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value id="0">DISABLED
              <notes>
              Indicates that no scene modes are set for a given capture request.
              </notes>
            </value>
            <value>FACE_PRIORITY
              <notes>If face detection support exists, use face
              detection data for auto-focus, auto-white balance, and
              auto-exposure routines.

              If face detection statistics are disabled
              (i.e. android.statistics.faceDetectMode is set to OFF),
              this should still operate correctly (but will not return
              face detection statistics to the framework).

              Unlike the other scene modes, android.control.aeMode,
              android.control.awbMode, and android.control.afMode
              remain active when FACE_PRIORITY is set.
              </notes>
            </value>
            <value optional="true">ACTION
              <notes>
              Optimized for photos of quickly moving objects.

              Similar to SPORTS.
              </notes>
            </value>
            <value optional="true">PORTRAIT
              <notes>
              Optimized for still photos of people.
              </notes>
            </value>
            <value optional="true">LANDSCAPE
              <notes>
              Optimized for photos of distant macroscopic objects.
              </notes>
            </value>
            <value optional="true">NIGHT
              <notes>
              Optimized for low-light settings.
              </notes>
            </value>
            <value optional="true">NIGHT_PORTRAIT
              <notes>
              Optimized for still photos of people in low-light
              settings.
              </notes>
            </value>
            <value optional="true">THEATRE
              <notes>
              Optimized for dim, indoor settings where flash must
              remain off.
              </notes>
            </value>
            <value optional="true">BEACH
              <notes>
              Optimized for bright, outdoor beach settings.
              </notes>
            </value>
            <value optional="true">SNOW
              <notes>
              Optimized for bright, outdoor settings containing snow.
              </notes>
            </value>
            <value optional="true">SUNSET
              <notes>
              Optimized for scenes of the setting sun.
              </notes>
            </value>
            <value optional="true">STEADYPHOTO
              <notes>
              Optimized to avoid blurry photos due to small amounts of
              device motion (for example: due to hand shake).
              </notes>
            </value>
            <value optional="true">FIREWORKS
              <notes>
              Optimized for nighttime photos of fireworks.
              </notes>
            </value>
            <value optional="true">SPORTS
              <notes>
              Optimized for photos of quickly moving people.

              Similar to ACTION.
              </notes>
            </value>
            <value optional="true">PARTY
              <notes>
              Optimized for dim, indoor settings with multiple moving
              people.
              </notes>
            </value>
            <value optional="true">CANDLELIGHT
              <notes>
              Optimized for dim settings where the main light source
              is a candle.
              </notes>
            </value>
            <value optional="true">BARCODE
              <notes>
              Optimized for accurately capturing a photo of barcode
              for use by camera applications that wish to read the
              barcode value.
              </notes>
            </value>
            <value deprecated="true" optional="true" visibility="java_public">HIGH_SPEED_VIDEO
              <notes>
              This is deprecated, please use {@link
              android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession}
              and {@link
              android.hardware.camera2.CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList}
              for high speed video recording.

              Optimized for high speed video recording (frame rate >=60fps) use case.

              The supported high speed video sizes and fps ranges are specified in
              android.control.availableHighSpeedVideoConfigurations. To get desired
              output frame rates, the application is only allowed to select video size
              and fps range combinations listed in this static metadata. The fps range
              can be control via android.control.aeTargetFpsRange.

              In this mode, the camera device will override aeMode, awbMode, and afMode to
              ON, ON, and CONTINUOUS_VIDEO, respectively. All post-processing block mode
              controls will be overridden to be FAST. Therefore, no manual control of capture
              and post-processing parameters is possible. All other controls operate the
              same as when android.control.mode == AUTO. This means that all other
              android.control.* fields continue to work, such as

              * android.control.aeTargetFpsRange
              * android.control.aeExposureCompensation
              * android.control.aeLock
              * android.control.awbLock
              * android.control.effectMode
              * android.control.aeRegions
              * android.control.afRegions
              * android.control.awbRegions
              * android.control.afTrigger
              * android.control.aePrecaptureTrigger
              * android.control.zoomRatio

              Outside of android.control.*, the following controls will work:

              * android.flash.mode (automatic flash for still capture will not work since aeMode is ON)
              * android.lens.opticalStabilizationMode (if it is supported)
              * android.scaler.cropRegion
              * android.statistics.faceDetectMode

              For high speed recording use case, the actual maximum supported frame rate may
              be lower than what camera can output, depending on the destination Surfaces for
              the image data. For example, if the destination surface is from video encoder,
              the application need check if the video encoder is capable of supporting the
              high frame rate for a given video size, or it will end up with lower recording
              frame rate. If the destination surface is from preview window, the preview frame
              rate will be bounded by the screen refresh rate.

              The camera device will only support up to 2 output high speed streams
              (processed non-stalling format defined in android.request.maxNumOutputStreams)
              in this mode. This control will be effective only if all of below conditions are true:

              * The application created no more than maxNumHighSpeedStreams processed non-stalling
              format output streams, where maxNumHighSpeedStreams is calculated as
              min(2, android.request.maxNumOutputStreams[Processed (but not-stalling)]).
              * The stream sizes are selected from the sizes reported by
              android.control.availableHighSpeedVideoConfigurations.
              * No processed non-stalling or raw streams are configured.

              When above conditions are NOT satistied, the controls of this mode and
              android.control.aeTargetFpsRange will be ignored by the camera device,
              the camera device will fall back to android.control.mode `==` AUTO,
              and the returned capture result metadata will give the fps range choosen
              by the camera device.

              Switching into or out of this mode may trigger some camera ISP/sensor
              reconfigurations, which may introduce extra latency. It is recommended that
              the application avoids unnecessary scene mode switch as much as possible.
              </notes>
            </value>
            <value optional="true">HDR
              <notes>
              Turn on a device-specific high dynamic range (HDR) mode.

              In this scene mode, the camera device captures images
              that keep a larger range of scene illumination levels
              visible in the final image. For example, when taking a
              picture of a object in front of a bright window, both
              the object and the scene through the window may be
              visible when using HDR mode, while in normal AUTO mode,
              one or the other may be poorly exposed. As a tradeoff,
              HDR mode generally takes much longer to capture a single
              image, has no user control, and may have other artifacts
              depending on the HDR method used.

              Therefore, HDR captures operate at a much slower rate
              than regular captures.

              In this mode, on LIMITED or FULL devices, when a request
              is made with a android.control.captureIntent of
              STILL_CAPTURE, the camera device will capture an image
              using a high dynamic range capture technique.  On LEGACY
              devices, captures that target a JPEG-format output will
              be captured with HDR, and the capture intent is not
              relevant.

              The HDR capture may involve the device capturing a burst
              of images internally and combining them into one, or it
              may involve the device using specialized high dynamic
              range capture hardware. In all cases, a single image is
              produced in response to a capture request submitted
              while in HDR mode.

              Since substantial post-processing is generally needed to
              produce an HDR image, only YUV, PRIVATE, and JPEG
              outputs are supported for LIMITED/FULL device HDR
              captures, and only JPEG outputs are supported for LEGACY
              HDR captures. Using a RAW output for HDR capture is not
              supported.

              Some devices may also support always-on HDR, which
              applies HDR processing at full frame rate.  For these
              devices, intents other than STILL_CAPTURE will also
              produce an HDR output with no frame rate impact compared
              to normal operation, though the quality may be lower
              than for STILL_CAPTURE intents.

              If SCENE_MODE_HDR is used with unsupported output types
              or capture intents, the images captured will be as if
              the SCENE_MODE was not enabled at all.
              </notes>
            </value>
            <value optional="true" visibility="hidden">FACE_PRIORITY_LOW_LIGHT
              <notes>Same as FACE_PRIORITY scene mode, except that the camera
              device will choose higher sensitivity values (android.sensor.sensitivity)
              under low light conditions.

              The camera device may be tuned to expose the images in a reduced
              sensitivity range to produce the best quality images. For example,
              if the android.sensor.info.sensitivityRange gives range of [100, 1600],
              the camera device auto-exposure routine tuning process may limit the actual
              exposure sensitivity range to [100, 1200] to ensure that the noise level isn't
              exessive in order to preserve the image quality. Under this situation, the image under
              low light may be under-exposed when the sensor max exposure time (bounded by the
              android.control.aeTargetFpsRange when android.control.aeMode is one of the
              ON_* modes) and effective max sensitivity are reached. This scene mode allows the
              camera device auto-exposure routine to increase the sensitivity up to the max
              sensitivity specified by android.sensor.info.sensitivityRange when the scene is too
              dark and the max exposure time is reached. The captured images may be noisier
              compared with the images captured in normal FACE_PRIORITY mode; therefore, it is
              recommended that the application only use this scene mode when it is capable of
              reducing the noise level of the captured images.

              Unlike the other scene modes, android.control.aeMode,
              android.control.awbMode, and android.control.afMode
              remain active when FACE_PRIORITY_LOW_LIGHT is set.
              </notes>
            </value>
            <value optional="true" visibility="hidden" id="100">DEVICE_CUSTOM_START
              <notes>
                Scene mode values within the range of
                `[DEVICE_CUSTOM_START, DEVICE_CUSTOM_END]` are reserved for device specific
                customized scene modes.
              </notes>
            </value>
            <value optional="true" visibility="hidden" id="127">DEVICE_CUSTOM_END
              <notes>
                Scene mode values within the range of
                `[DEVICE_CUSTOM_START, DEVICE_CUSTOM_END]` are reserved for device specific
                customized scene modes.
              </notes>
            </value>
          </enum>
          <description>
          Control for which scene mode is currently active.
          </description>
          <range>android.control.availableSceneModes</range>
          <details>
          Scene modes are custom camera modes optimized for a certain set of conditions and
          capture settings.

          This is the mode that that is active when
          `android.control.mode == USE_SCENE_MODE`. Aside from FACE_PRIORITY, these modes will
          disable android.control.aeMode, android.control.awbMode, and android.control.afMode
          while in use.

          The interpretation and implementation of these scene modes is left
          to the implementor of the camera device. Their behavior will not be
          consistent across all devices, and any given device may only implement
          a subset of these modes.
          </details>
          <hal_details>
          HAL implementations that include scene modes are expected to provide
          the per-scene settings to use for android.control.aeMode,
          android.control.awbMode, and android.control.afMode in
          android.control.sceneModeOverrides.

          For HIGH_SPEED_VIDEO mode, if it is included in android.control.availableSceneModes, the
          HAL must list supported video size and fps range in
          android.control.availableHighSpeedVideoConfigurations. For a given size, e.g.  1280x720,
          if the HAL has two different sensor configurations for normal streaming mode and high
          speed streaming, when this scene mode is set/reset in a sequence of capture requests, the
          HAL may have to switch between different sensor modes.  This mode is deprecated in legacy
          HAL3.3, to support high speed video recording, please implement
          android.control.availableHighSpeedVideoConfigurations and CONSTRAINED_HIGH_SPEED_VIDEO
          capbility defined in android.request.availableCapabilities.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="videoStabilizationMode" type="byte" visibility="public"
               enum="true" hwlevel="legacy">
          <enum>
            <value>OFF
            <notes>
              Video stabilization is disabled.
            </notes></value>
            <value>ON
            <notes>
              Video stabilization is enabled.
            </notes></value>
          </enum>
          <description>Whether video stabilization is
          active.</description>
          <details>
          Video stabilization automatically warps images from
          the camera in order to stabilize motion between consecutive frames.

          If enabled, video stabilization can modify the
          android.scaler.cropRegion to keep the video stream stabilized.

          Switching between different video stabilization modes may take several
          frames to initialize, the camera device will report the current mode
          in capture result metadata. For example, When "ON" mode is requested,
          the video stabilization modes in the first several capture results may
          still be "OFF", and it will become "ON" when the initialization is
          done.

          In addition, not all recording sizes or frame rates may be supported for
          stabilization by a device that reports stabilization support. It is guaranteed
          that an output targeting a MediaRecorder or MediaCodec will be stabilized if
          the recording resolution is less than or equal to 1920 x 1080 (width less than
          or equal to 1920, height less than or equal to 1080), and the recording
          frame rate is less than or equal to 30fps.  At other sizes, the CaptureResult
          android.control.videoStabilizationMode field will return
          OFF if the recording output is not stabilized, or if there are no output
          Surface types that can be stabilized.

          If a camera device supports both this mode and OIS
          (android.lens.opticalStabilizationMode), turning both modes on may
          produce undesirable interaction, so it is recommended not to enable
          both at the same time.
          </details>
          <tag id="BC" />
        </entry>
      </controls>
      <static>
        <entry name="aeAvailableAntibandingModes" type="byte" visibility="public"
               type_notes="list of enums" container="array" typedef="enumList"
               hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
            List of auto-exposure antibanding modes for android.control.aeAntibandingMode that are
            supported by this camera device.
          </description>
          <range>Any value listed in android.control.aeAntibandingMode</range>
          <details>
            Not all of the auto-exposure anti-banding modes may be
            supported by a given camera device. This field lists the
            valid anti-banding modes that the application may request
            for this camera device with the
            android.control.aeAntibandingMode control.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="aeAvailableModes" type="byte" visibility="public"
               type_notes="list of enums" container="array" typedef="enumList"
               hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
            List of auto-exposure modes for android.control.aeMode that are supported by this camera
            device.
          </description>
          <range>Any value listed in android.control.aeMode</range>
          <details>
            Not all the auto-exposure modes may be supported by a
            given camera device, especially if no flash unit is
            available. This entry lists the valid modes for
            android.control.aeMode for this camera device.

            All camera devices support ON, and all camera devices with flash
            units support ON_AUTO_FLASH and ON_ALWAYS_FLASH.

            FULL mode camera devices always support OFF mode,
            which enables application control of camera exposure time,
            sensitivity, and frame duration.

            LEGACY mode camera devices never support OFF mode.
            LIMITED mode devices support OFF if they support the MANUAL_SENSOR
            capability.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="aeAvailableTargetFpsRanges" type="int32" visibility="public"
               type_notes="list of pairs of frame rates"
               container="array" typedef="rangeInt"
               hwlevel="legacy">
          <array>
            <size>2</size>
            <size>n</size>
          </array>
          <description>List of frame rate ranges for android.control.aeTargetFpsRange supported by
          this camera device.</description>
          <units>Frames per second (FPS)</units>
          <details>
          For devices at the LEGACY level or above:

          * For constant-framerate recording, for each normal
          {@link android.media.CamcorderProfile CamcorderProfile}, that is, a
          {@link android.media.CamcorderProfile CamcorderProfile} that has
          {@link android.media.CamcorderProfile#quality quality} in
          the range [{@link android.media.CamcorderProfile#QUALITY_LOW QUALITY_LOW},
          {@link android.media.CamcorderProfile#QUALITY_2160P QUALITY_2160P}], if the profile is
          supported by the device and has
          {@link android.media.CamcorderProfile#videoFrameRate videoFrameRate} `x`, this list will
          always include (`x`,`x`).

          * Also, a camera device must either not support any
          {@link android.media.CamcorderProfile CamcorderProfile},
          or support at least one
          normal {@link android.media.CamcorderProfile CamcorderProfile} that has
          {@link android.media.CamcorderProfile#videoFrameRate videoFrameRate} `x` &gt;= 24.

          For devices at the LIMITED level or above:

          * For devices that advertise NIR color filter arrangement in
          android.sensor.info.colorFilterArrangement, this list will always include
          (`max`, `max`) where `max` = the maximum output frame rate of the maximum YUV_420_888
          output size.
          * For devices advertising any color filter arrangement other than NIR, or devices not
          advertising color filter arrangement, this list will always include (`min`, `max`) and
          (`max`, `max`) where `min` &lt;= 15 and `max` = the maximum output frame rate of the
          maximum YUV_420_888 output size.

          </details>
          <tag id="BC" />
        </entry>
        <entry name="aeCompensationRange" type="int32" visibility="public"
               container="array" typedef="rangeInt"
               hwlevel="legacy">
          <array>
            <size>2</size>
          </array>
          <description>Maximum and minimum exposure compensation values for
          android.control.aeExposureCompensation, in counts of android.control.aeCompensationStep,
          that are supported by this camera device.</description>
          <range>
            Range [0,0] indicates that exposure compensation is not supported.

            For LIMITED and FULL devices, range must follow below requirements if exposure
            compensation is supported (`range != [0, 0]`):

            `Min.exposure compensation * android.control.aeCompensationStep &lt;= -2 EV`

            `Max.exposure compensation * android.control.aeCompensationStep &gt;= 2 EV`

            LEGACY devices may support a smaller range than this.
          </range>
          <tag id="BC" />
        </entry>
        <entry name="aeCompensationStep" type="rational" visibility="public"
               hwlevel="legacy">
          <description>Smallest step by which the exposure compensation
          can be changed.</description>
          <units>Exposure Value (EV)</units>
          <details>
          This is the unit for android.control.aeExposureCompensation. For example, if this key has
          a value of `1/2`, then a setting of `-2` for android.control.aeExposureCompensation means
          that the target EV offset for the auto-exposure routine is -1 EV.

          One unit of EV compensation changes the brightness of the captured image by a factor
          of two. +1 EV doubles the image brightness, while -1 EV halves the image brightness.
          </details>
          <hal_details>
            This must be less than or equal to 1/2.
          </hal_details>
          <tag id="BC" />
        </entry>
        <entry name="afAvailableModes" type="byte" visibility="public"
               type_notes="List of enums" container="array" typedef="enumList"
               hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
          List of auto-focus (AF) modes for android.control.afMode that are
          supported by this camera device.
          </description>
          <range>Any value listed in android.control.afMode</range>
          <details>
          Not all the auto-focus modes may be supported by a
          given camera device. This entry lists the valid modes for
          android.control.afMode for this camera device.

          All LIMITED and FULL mode camera devices will support OFF mode, and all
          camera devices with adjustable focuser units
          (`android.lens.info.minimumFocusDistance &gt; 0`) will support AUTO mode.

          LEGACY devices will support OFF mode only if they support
          focusing to infinity (by also setting android.lens.focusDistance to
          `0.0f`).
          </details>
          <tag id="BC" />
        </entry>
        <entry name="availableEffects" type="byte" visibility="public"
               type_notes="List of enums (android.control.effectMode)." container="array"
               typedef="enumList" hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
          List of color effects for android.control.effectMode that are supported by this camera
          device.
          </description>
          <range>Any value listed in android.control.effectMode</range>
          <details>
          This list contains the color effect modes that can be applied to
          images produced by the camera device.
          Implementations are not expected to be consistent across all devices.
          If no color effect modes are available for a device, this will only list
          OFF.

          A color effect will only be applied if
          android.control.mode != OFF.  OFF is always included in this list.

          This control has no effect on the operation of other control routines such
          as auto-exposure, white balance, or focus.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="availableSceneModes" type="byte" visibility="public"
               type_notes="List of enums (android.control.sceneMode)."
               container="array" typedef="enumList" hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
          List of scene modes for android.control.sceneMode that are supported by this camera
          device.
          </description>
          <range>Any value listed in android.control.sceneMode</range>
          <details>
          This list contains scene modes that can be set for the camera device.
          Only scene modes that have been fully implemented for the
          camera device may be included here. Implementations are not expected
          to be consistent across all devices.

          If no scene modes are supported by the camera device, this
          will be set to DISABLED. Otherwise DISABLED will not be listed.

          FACE_PRIORITY is always listed if face detection is
          supported (i.e.`android.statistics.info.maxFaceCount &gt;
          0`).
          </details>
          <tag id="BC" />
        </entry>
        <entry name="availableVideoStabilizationModes" type="byte"
               visibility="public" type_notes="List of enums." container="array"
               typedef="enumList" hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
          List of video stabilization modes for android.control.videoStabilizationMode
          that are supported by this camera device.
          </description>
          <range>Any value listed in android.control.videoStabilizationMode</range>
          <details>
          OFF will always be listed.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="awbAvailableModes" type="byte" visibility="public"
               type_notes="List of enums"
               container="array" typedef="enumList" hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
          List of auto-white-balance modes for android.control.awbMode that are supported by this
          camera device.
          </description>
          <range>Any value listed in android.control.awbMode</range>
          <details>
          Not all the auto-white-balance modes may be supported by a
          given camera device. This entry lists the valid modes for
          android.control.awbMode for this camera device.

          All camera devices will support ON mode.

          Camera devices that support the MANUAL_POST_PROCESSING capability will always support OFF
          mode, which enables application control of white balance, by using
          android.colorCorrection.transform and android.colorCorrection.gains
          (android.colorCorrection.mode must be set to TRANSFORM_MATRIX). This includes all FULL
          mode camera devices.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="maxRegions" type="int32" visibility="ndk_public"
               container="array" hwlevel="legacy">
          <array>
            <size>3</size>
          </array>
          <description>
          List of the maximum number of regions that can be used for metering in
          auto-exposure (AE), auto-white balance (AWB), and auto-focus (AF);
          this corresponds to the maximum number of elements in
          android.control.aeRegions, android.control.awbRegions,
          and android.control.afRegions.
          </description>
          <range>
          Value must be &amp;gt;= 0 for each element. For full-capability devices
          this value must be &amp;gt;= 1 for AE and AF. The order of the elements is:
          `(AE, AWB, AF)`.</range>
          <tag id="BC" />
        </entry>
        <entry name="maxRegionsAe" type="int32" visibility="java_public"
               synthetic="true" hwlevel="legacy">
          <description>
          The maximum number of metering regions that can be used by the auto-exposure (AE)
          routine.
          </description>
          <range>Value will be &amp;gt;= 0. For FULL-capability devices, this
          value will be &amp;gt;= 1.
          </range>
          <details>
          This corresponds to the maximum allowed number of elements in
          android.control.aeRegions.
          </details>
          <hal_details>This entry is private to the framework. Fill in
          maxRegions to have this entry be automatically populated.
          </hal_details>
        </entry>
        <entry name="maxRegionsAwb" type="int32" visibility="java_public"
               synthetic="true" hwlevel="legacy">
          <description>
          The maximum number of metering regions that can be used by the auto-white balance (AWB)
          routine.
          </description>
          <range>Value will be &amp;gt;= 0.
          </range>
          <details>
          This corresponds to the maximum allowed number of elements in
          android.control.awbRegions.
          </details>
          <hal_details>This entry is private to the framework. Fill in
          maxRegions to have this entry be automatically populated.
          </hal_details>
        </entry>
        <entry name="maxRegionsAf" type="int32" visibility="java_public"
               synthetic="true" hwlevel="legacy">
          <description>
          The maximum number of metering regions that can be used by the auto-focus (AF) routine.
          </description>
          <range>Value will be &amp;gt;= 0. For FULL-capability devices, this
          value will be &amp;gt;= 1.
          </range>
          <details>
          This corresponds to the maximum allowed number of elements in
          android.control.afRegions.
          </details>
          <hal_details>This entry is private to the framework. Fill in
          maxRegions to have this entry be automatically populated.
          </hal_details>
        </entry>
        <entry name="sceneModeOverrides" type="byte" visibility="system"
               container="array" hwlevel="limited">
          <array>
            <size>3</size>
            <size>length(availableSceneModes)</size>
          </array>
          <description>
          Ordered list of auto-exposure, auto-white balance, and auto-focus
          settings to use with each available scene mode.
          </description>
          <range>
          For each available scene mode, the list must contain three
          entries containing the android.control.aeMode,
          android.control.awbMode, and android.control.afMode values used
          by the camera device. The entry order is `(aeMode, awbMode, afMode)`
          where aeMode has the lowest index position.
          </range>
          <details>
          When a scene mode is enabled, the camera device is expected
          to override android.control.aeMode, android.control.awbMode,
          and android.control.afMode with its preferred settings for
          that scene mode.

          The order of this list matches that of availableSceneModes,
          with 3 entries for each mode.  The overrides listed
          for FACE_PRIORITY and FACE_PRIORITY_LOW_LIGHT (if supported) are ignored,
          since for that mode the application-set android.control.aeMode,
          android.control.awbMode, and android.control.afMode values are
          used instead, matching the behavior when android.control.mode
          is set to AUTO. It is recommended that the FACE_PRIORITY and
          FACE_PRIORITY_LOW_LIGHT (if supported) overrides should be set to 0.

          For example, if availableSceneModes contains
          `(FACE_PRIORITY, ACTION, NIGHT)`,  then the camera framework
          expects sceneModeOverrides to have 9 entries formatted like:
          `(0, 0, 0, ON_AUTO_FLASH, AUTO, CONTINUOUS_PICTURE,
          ON_AUTO_FLASH, INCANDESCENT, AUTO)`.
          </details>
          <hal_details>
          To maintain backward compatibility, this list will be made available
          in the static metadata of the camera service.  The camera service will
          use these values to set android.control.aeMode,
          android.control.awbMode, and android.control.afMode when using a scene
          mode other than FACE_PRIORITY and FACE_PRIORITY_LOW_LIGHT (if supported).
          </hal_details>
          <tag id="BC" />
        </entry>
      </static>
      <dynamic>
        <entry name="aePrecaptureId" type="int32" visibility="system" deprecated="true">
          <description>The ID sent with the latest
          CAMERA2_TRIGGER_PRECAPTURE_METERING call</description>
          <deprecation_description>
            Removed in camera HAL v3
          </deprecation_description>
          <details>Must be 0 if no
          CAMERA2_TRIGGER_PRECAPTURE_METERING trigger received yet
          by HAL. Always updated even if AE algorithm ignores the
          trigger</details>
        </entry>
        <clone entry="android.control.aeAntibandingMode" kind="controls">
        </clone>
        <clone entry="android.control.aeExposureCompensation" kind="controls">
        </clone>
        <clone entry="android.control.aeLock" kind="controls">
        </clone>
        <clone entry="android.control.aeMode" kind="controls">
        </clone>
        <clone entry="android.control.aeRegions" kind="controls">
        </clone>
        <clone entry="android.control.aeTargetFpsRange" kind="controls">
        </clone>
        <clone entry="android.control.aePrecaptureTrigger" kind="controls">
        </clone>
        <entry name="aeState" type="byte" visibility="public" enum="true"
               hwlevel="limited">
          <enum>
            <value>INACTIVE
            <notes>AE is off or recently reset.

            When a camera device is opened, it starts in
            this state. This is a transient state, the camera device may skip reporting
            this state in capture result.</notes></value>
            <value>SEARCHING
            <notes>AE doesn't yet have a good set of control values
            for the current scene.

            This is a transient state, the camera device may skip
            reporting this state in capture result.</notes></value>
            <value>CONVERGED
            <notes>AE has a good set of control values for the
            current scene.</notes></value>
            <value>LOCKED
            <notes>AE has been locked.</notes></value>
            <value>FLASH_REQUIRED
            <notes>AE has a good set of control values, but flash
            needs to be fired for good quality still
            capture.</notes></value>
            <value>PRECAPTURE
            <notes>AE has been asked to do a precapture sequence
            and is currently executing it.

            Precapture can be triggered through setting
            android.control.aePrecaptureTrigger to START. Currently
            active and completed (if it causes camera device internal AE lock) precapture
            metering sequence can be canceled through setting
            android.control.aePrecaptureTrigger to CANCEL.

            Once PRECAPTURE completes, AE will transition to CONVERGED
            or FLASH_REQUIRED as appropriate. This is a transient
            state, the camera device may skip reporting this state in
            capture result.</notes></value>
          </enum>
          <description>Current state of the auto-exposure (AE) algorithm.</description>
          <details>Switching between or enabling AE modes (android.control.aeMode) always
          resets the AE state to INACTIVE. Similarly, switching between android.control.mode,
          or android.control.sceneMode if `android.control.mode == USE_SCENE_MODE` resets all
          the algorithm states to INACTIVE.

          The camera device can do several state transitions between two results, if it is
          allowed by the state transition table. For example: INACTIVE may never actually be
          seen in a result.

          The state in the result is the state for this image (in sync with this image): if
          AE state becomes CONVERGED, then the image data associated with this result should
          be good to use.

          Below are state transition tables for different AE modes.

            State       | Transition Cause | New State | Notes
          :------------:|:----------------:|:---------:|:-----------------------:
          INACTIVE      |                  | INACTIVE  | Camera device auto exposure algorithm is disabled

          When android.control.aeMode is AE_MODE_ON*:

            State        | Transition Cause                             | New State      | Notes
          :-------------:|:--------------------------------------------:|:--------------:|:-----------------:
          INACTIVE       | Camera device initiates AE scan              | SEARCHING      | Values changing
          INACTIVE       | android.control.aeLock is ON                 | LOCKED         | Values locked
          SEARCHING      | Camera device finishes AE scan               | CONVERGED      | Good values, not changing
          SEARCHING      | Camera device finishes AE scan               | FLASH_REQUIRED | Converged but too dark w/o flash
          SEARCHING      | android.control.aeLock is ON                 | LOCKED         | Values locked
          CONVERGED      | Camera device initiates AE scan              | SEARCHING      | Values changing
          CONVERGED      | android.control.aeLock is ON                 | LOCKED         | Values locked
          FLASH_REQUIRED | Camera device initiates AE scan              | SEARCHING      | Values changing
          FLASH_REQUIRED | android.control.aeLock is ON                 | LOCKED         | Values locked
          LOCKED         | android.control.aeLock is OFF                | SEARCHING      | Values not good after unlock
          LOCKED         | android.control.aeLock is OFF                | CONVERGED      | Values good after unlock
          LOCKED         | android.control.aeLock is OFF                | FLASH_REQUIRED | Exposure good, but too dark
          PRECAPTURE     | Sequence done. android.control.aeLock is OFF | CONVERGED      | Ready for high-quality capture
          PRECAPTURE     | Sequence done. android.control.aeLock is ON  | LOCKED         | Ready for high-quality capture
          LOCKED         | aeLock is ON and aePrecaptureTrigger is START | LOCKED        | Precapture trigger is ignored when AE is already locked
          LOCKED         | aeLock is ON and aePrecaptureTrigger is CANCEL| LOCKED        | Precapture trigger is ignored when AE is already locked
          Any state (excluding LOCKED) | android.control.aePrecaptureTrigger is START | PRECAPTURE     | Start AE precapture metering sequence
          Any state (excluding LOCKED) | android.control.aePrecaptureTrigger is CANCEL| INACTIVE       | Currently active precapture metering sequence is canceled

          If the camera device supports AE external flash mode (ON_EXTERNAL_FLASH is included in
          android.control.aeAvailableModes), android.control.aeState must be FLASH_REQUIRED after
          the camera device finishes AE scan and it's too dark without flash.

          For the above table, the camera device may skip reporting any state changes that happen
          without application intervention (i.e. mode switch, trigger, locking). Any state that
          can be skipped in that manner is called a transient state.

          For example, for above AE modes (AE_MODE_ON*), in addition to the state transitions
          listed in above table, it is also legal for the camera device to skip one or more
          transient states between two results. See below table for examples:

            State        | Transition Cause                                            | New State      | Notes
          :-------------:|:-----------------------------------------------------------:|:--------------:|:-----------------:
          INACTIVE       | Camera device finished AE scan                              | CONVERGED      | Values are already good, transient states are skipped by camera device.
          Any state (excluding LOCKED) | android.control.aePrecaptureTrigger is START, sequence done | FLASH_REQUIRED | Converged but too dark w/o flash after a precapture sequence, transient states are skipped by camera device.
          Any state (excluding LOCKED) | android.control.aePrecaptureTrigger is START, sequence done | CONVERGED      | Converged after a precapture sequence, transient states are skipped by camera device.
          Any state (excluding LOCKED) | android.control.aePrecaptureTrigger is CANCEL, converged    | FLASH_REQUIRED | Converged but too dark w/o flash after a precapture sequence is canceled, transient states are skipped by camera device.
          Any state (excluding LOCKED) | android.control.aePrecaptureTrigger is CANCEL, converged    | CONVERGED      | Converged after a precapture sequenceis canceled, transient states are skipped by camera device.
          CONVERGED      | Camera device finished AE scan                              | FLASH_REQUIRED | Converged but too dark w/o flash after a new scan, transient states are skipped by camera device.
          FLASH_REQUIRED | Camera device finished AE scan                              | CONVERGED      | Converged after a new scan, transient states are skipped by camera device.
          </details>
        </entry>
        <clone entry="android.control.afMode" kind="controls">
        </clone>
        <clone entry="android.control.afRegions" kind="controls">
        </clone>
        <clone entry="android.control.afTrigger" kind="controls">
        </clone>
        <entry name="afState" type="byte" visibility="public" enum="true"
               hwlevel="legacy">
          <enum>
            <value>INACTIVE
            <notes>AF is off or has not yet tried to scan/been asked
            to scan.

            When a camera device is opened, it starts in this
            state. This is a transient state, the camera device may
            skip reporting this state in capture
            result.</notes></value>
            <value>PASSIVE_SCAN
            <notes>AF is currently performing an AF scan initiated the
            camera device in a continuous autofocus mode.

            Only used by CONTINUOUS_* AF modes. This is a transient
            state, the camera device may skip reporting this state in
            capture result.</notes></value>
            <value>PASSIVE_FOCUSED
            <notes>AF currently believes it is in focus, but may
            restart scanning at any time.

            Only used by CONTINUOUS_* AF modes. This is a transient
            state, the camera device may skip reporting this state in
            capture result.</notes></value>
            <value>ACTIVE_SCAN
            <notes>AF is performing an AF scan because it was
            triggered by AF trigger.

            Only used by AUTO or MACRO AF modes. This is a transient
            state, the camera device may skip reporting this state in
            capture result.</notes></value>
            <value>FOCUSED_LOCKED
            <notes>AF believes it is focused correctly and has locked
            focus.

            This state is reached only after an explicit START AF trigger has been
            sent (android.control.afTrigger), when good focus has been obtained.

            The lens will remain stationary until the AF mode (android.control.afMode) is changed or
            a new AF trigger is sent to the camera device (android.control.afTrigger).
            </notes></value>
            <value>NOT_FOCUSED_LOCKED
            <notes>AF has failed to focus successfully and has locked
            focus.

            This state is reached only after an explicit START AF trigger has been
            sent (android.control.afTrigger), when good focus cannot be obtained.

            The lens will remain stationary until the AF mode (android.control.afMode) is changed or
            a new AF trigger is sent to the camera device (android.control.afTrigger).
            </notes></value>
            <value>PASSIVE_UNFOCUSED
            <notes>AF finished a passive scan without finding focus,
            and may restart scanning at any time.

            Only used by CONTINUOUS_* AF modes. This is a transient state, the camera
            device may skip reporting this state in capture result.

            LEGACY camera devices do not support this state. When a passive
            scan has finished, it will always go to PASSIVE_FOCUSED.
            </notes></value>
          </enum>
          <description>Current state of auto-focus (AF) algorithm.</description>
          <details>
          Switching between or enabling AF modes (android.control.afMode) always
          resets the AF state to INACTIVE. Similarly, switching between android.control.mode,
          or android.control.sceneMode if `android.control.mode == USE_SCENE_MODE` resets all
          the algorithm states to INACTIVE.

          The camera device can do several state transitions between two results, if it is
          allowed by the state transition table. For example: INACTIVE may never actually be
          seen in a result.

          The state in the result is the state for this image (in sync with this image): if
          AF state becomes FOCUSED, then the image data associated with this result should
          be sharp.

          Below are state transition tables for different AF modes.

          When android.control.afMode is AF_MODE_OFF or AF_MODE_EDOF:

            State       | Transition Cause | New State | Notes
          :------------:|:----------------:|:---------:|:-----------:
          INACTIVE      |                  | INACTIVE  | Never changes

          When android.control.afMode is AF_MODE_AUTO or AF_MODE_MACRO:

            State            | Transition Cause | New State          | Notes
          :-----------------:|:----------------:|:------------------:|:--------------:
          INACTIVE           | AF_TRIGGER       | ACTIVE_SCAN        | Start AF sweep, Lens now moving
          ACTIVE_SCAN        | AF sweep done    | FOCUSED_LOCKED     | Focused, Lens now locked
          ACTIVE_SCAN        | AF sweep done    | NOT_FOCUSED_LOCKED | Not focused, Lens now locked
          ACTIVE_SCAN        | AF_CANCEL        | INACTIVE           | Cancel/reset AF, Lens now locked
          FOCUSED_LOCKED     | AF_CANCEL        | INACTIVE           | Cancel/reset AF
          FOCUSED_LOCKED     | AF_TRIGGER       | ACTIVE_SCAN        | Start new sweep, Lens now moving
          NOT_FOCUSED_LOCKED | AF_CANCEL        | INACTIVE           | Cancel/reset AF
          NOT_FOCUSED_LOCKED | AF_TRIGGER       | ACTIVE_SCAN        | Start new sweep, Lens now moving
          Any state          | Mode change      | INACTIVE           |

          For the above table, the camera device may skip reporting any state changes that happen
          without application intervention (i.e. mode switch, trigger, locking). Any state that
          can be skipped in that manner is called a transient state.

          For example, for these AF modes (AF_MODE_AUTO and AF_MODE_MACRO), in addition to the
          state transitions listed in above table, it is also legal for the camera device to skip
          one or more transient states between two results. See below table for examples:

            State            | Transition Cause | New State          | Notes
          :-----------------:|:----------------:|:------------------:|:--------------:
          INACTIVE           | AF_TRIGGER       | FOCUSED_LOCKED     | Focus is already good or good after a scan, lens is now locked.
          INACTIVE           | AF_TRIGGER       | NOT_FOCUSED_LOCKED | Focus failed after a scan, lens is now locked.
          FOCUSED_LOCKED     | AF_TRIGGER       | FOCUSED_LOCKED     | Focus is already good or good after a scan, lens is now locked.
          NOT_FOCUSED_LOCKED | AF_TRIGGER       | FOCUSED_LOCKED     | Focus is good after a scan, lens is not locked.


          When android.control.afMode is AF_MODE_CONTINUOUS_VIDEO:

            State            | Transition Cause                    | New State          | Notes
          :-----------------:|:-----------------------------------:|:------------------:|:--------------:
          INACTIVE           | Camera device initiates new scan    | PASSIVE_SCAN       | Start AF scan, Lens now moving
          INACTIVE           | AF_TRIGGER                          | NOT_FOCUSED_LOCKED | AF state query, Lens now locked
          PASSIVE_SCAN       | Camera device completes current scan| PASSIVE_FOCUSED    | End AF scan, Lens now locked
          PASSIVE_SCAN       | Camera device fails current scan    | PASSIVE_UNFOCUSED  | End AF scan, Lens now locked
          PASSIVE_SCAN       | AF_TRIGGER                          | FOCUSED_LOCKED     | Immediate transition, if focus is good. Lens now locked
          PASSIVE_SCAN       | AF_TRIGGER                          | NOT_FOCUSED_LOCKED | Immediate transition, if focus is bad. Lens now locked
          PASSIVE_SCAN       | AF_CANCEL                           | INACTIVE           | Reset lens position, Lens now locked
          PASSIVE_FOCUSED    | Camera device initiates new scan    | PASSIVE_SCAN       | Start AF scan, Lens now moving
          PASSIVE_UNFOCUSED  | Camera device initiates new scan    | PASSIVE_SCAN       | Start AF scan, Lens now moving
          PASSIVE_FOCUSED    | AF_TRIGGER                          | FOCUSED_LOCKED     | Immediate transition, lens now locked
          PASSIVE_UNFOCUSED  | AF_TRIGGER                          | NOT_FOCUSED_LOCKED | Immediate transition, lens now locked
          FOCUSED_LOCKED     | AF_TRIGGER                          | FOCUSED_LOCKED     | No effect
          FOCUSED_LOCKED     | AF_CANCEL                           | INACTIVE           | Restart AF scan
          NOT_FOCUSED_LOCKED | AF_TRIGGER                          | NOT_FOCUSED_LOCKED | No effect
          NOT_FOCUSED_LOCKED | AF_CANCEL                           | INACTIVE           | Restart AF scan

          When android.control.afMode is AF_MODE_CONTINUOUS_PICTURE:

            State            | Transition Cause                     | New State          | Notes
          :-----------------:|:------------------------------------:|:------------------:|:--------------:
          INACTIVE           | Camera device initiates new scan     | PASSIVE_SCAN       | Start AF scan, Lens now moving
          INACTIVE           | AF_TRIGGER                           | NOT_FOCUSED_LOCKED | AF state query, Lens now locked
          PASSIVE_SCAN       | Camera device completes current scan | PASSIVE_FOCUSED    | End AF scan, Lens now locked
          PASSIVE_SCAN       | Camera device fails current scan     | PASSIVE_UNFOCUSED  | End AF scan, Lens now locked
          PASSIVE_SCAN       | AF_TRIGGER                           | FOCUSED_LOCKED     | Eventual transition once the focus is good. Lens now locked
          PASSIVE_SCAN       | AF_TRIGGER                           | NOT_FOCUSED_LOCKED | Eventual transition if cannot find focus. Lens now locked
          PASSIVE_SCAN       | AF_CANCEL                            | INACTIVE           | Reset lens position, Lens now locked
          PASSIVE_FOCUSED    | Camera device initiates new scan     | PASSIVE_SCAN       | Start AF scan, Lens now moving
          PASSIVE_UNFOCUSED  | Camera device initiates new scan     | PASSIVE_SCAN       | Start AF scan, Lens now moving
          PASSIVE_FOCUSED    | AF_TRIGGER                           | FOCUSED_LOCKED     | Immediate trans. Lens now locked
          PASSIVE_UNFOCUSED  | AF_TRIGGER                           | NOT_FOCUSED_LOCKED | Immediate trans. Lens now locked
          FOCUSED_LOCKED     | AF_TRIGGER                           | FOCUSED_LOCKED     | No effect
          FOCUSED_LOCKED     | AF_CANCEL                            | INACTIVE           | Restart AF scan
          NOT_FOCUSED_LOCKED | AF_TRIGGER                           | NOT_FOCUSED_LOCKED | No effect
          NOT_FOCUSED_LOCKED | AF_CANCEL                            | INACTIVE           | Restart AF scan

          When switch between AF_MODE_CONTINUOUS_* (CAF modes) and AF_MODE_AUTO/AF_MODE_MACRO
          (AUTO modes), the initial INACTIVE or PASSIVE_SCAN states may be skipped by the
          camera device. When a trigger is included in a mode switch request, the trigger
          will be evaluated in the context of the new mode in the request.
          See below table for examples:

            State      | Transition Cause                       | New State                                | Notes
          :-----------:|:--------------------------------------:|:----------------------------------------:|:--------------:
          any state    | CAF-->AUTO mode switch                 | INACTIVE                                 | Mode switch without trigger, initial state must be INACTIVE
          any state    | CAF-->AUTO mode switch with AF_TRIGGER | trigger-reachable states from INACTIVE   | Mode switch with trigger, INACTIVE is skipped
          any state    | AUTO-->CAF mode switch                 | passively reachable states from INACTIVE | Mode switch without trigger, passive transient state is skipped
          </details>
        </entry>
        <entry name="afTriggerId" type="int32" visibility="system" deprecated="true">
          <description>The ID sent with the latest
          CAMERA2_TRIGGER_AUTOFOCUS call</description>
          <deprecation_description>
            Removed in camera HAL v3
          </deprecation_description>
          <details>Must be 0 if no CAMERA2_TRIGGER_AUTOFOCUS trigger
          received yet by HAL. Always updated even if AF algorithm
          ignores the trigger</details>
        </entry>
        <clone entry="android.control.awbLock" kind="controls">
        </clone>
        <clone entry="android.control.awbMode" kind="controls">
        </clone>
        <clone entry="android.control.awbRegions" kind="controls">
        </clone>
        <clone entry="android.control.captureIntent" kind="controls">
        </clone>
        <entry name="awbState" type="byte" visibility="public" enum="true"
               hwlevel="limited">
          <enum>
            <value>INACTIVE
            <notes>AWB is not in auto mode, or has not yet started metering.

            When a camera device is opened, it starts in this
            state. This is a transient state, the camera device may
            skip reporting this state in capture
            result.</notes></value>
            <value>SEARCHING
            <notes>AWB doesn't yet have a good set of control
            values for the current scene.

            This is a transient state, the camera device
            may skip reporting this state in capture result.</notes></value>
            <value>CONVERGED
            <notes>AWB has a good set of control values for the
            current scene.</notes></value>
            <value>LOCKED
            <notes>AWB has been locked.
            </notes></value>
          </enum>
          <description>Current state of auto-white balance (AWB) algorithm.</description>
          <details>Switching between or enabling AWB modes (android.control.awbMode) always
          resets the AWB state to INACTIVE. Similarly, switching between android.control.mode,
          or android.control.sceneMode if `android.control.mode == USE_SCENE_MODE` resets all
          the algorithm states to INACTIVE.

          The camera device can do several state transitions between two results, if it is
          allowed by the state transition table. So INACTIVE may never actually be seen in
          a result.

          The state in the result is the state for this image (in sync with this image): if
          AWB state becomes CONVERGED, then the image data associated with this result should
          be good to use.

          Below are state transition tables for different AWB modes.

          When `android.control.awbMode != AWB_MODE_AUTO`:

            State       | Transition Cause | New State | Notes
          :------------:|:----------------:|:---------:|:-----------------------:
          INACTIVE      |                  |INACTIVE   |Camera device auto white balance algorithm is disabled

          When android.control.awbMode is AWB_MODE_AUTO:

            State        | Transition Cause                 | New State     | Notes
          :-------------:|:--------------------------------:|:-------------:|:-----------------:
          INACTIVE       | Camera device initiates AWB scan | SEARCHING     | Values changing
          INACTIVE       | android.control.awbLock is ON    | LOCKED        | Values locked
          SEARCHING      | Camera device finishes AWB scan  | CONVERGED     | Good values, not changing
          SEARCHING      | android.control.awbLock is ON    | LOCKED        | Values locked
          CONVERGED      | Camera device initiates AWB scan | SEARCHING     | Values changing
          CONVERGED      | android.control.awbLock is ON    | LOCKED        | Values locked
          LOCKED         | android.control.awbLock is OFF   | SEARCHING     | Values not good after unlock

          For the above table, the camera device may skip reporting any state changes that happen
          without application intervention (i.e. mode switch, trigger, locking). Any state that
          can be skipped in that manner is called a transient state.

          For example, for this AWB mode (AWB_MODE_AUTO), in addition to the state transitions
          listed in above table, it is also legal for the camera device to skip one or more
          transient states between two results. See below table for examples:

            State        | Transition Cause                 | New State     | Notes
          :-------------:|:--------------------------------:|:-------------:|:-----------------:
          INACTIVE       | Camera device finished AWB scan  | CONVERGED     | Values are already good, transient states are skipped by camera device.
          LOCKED         | android.control.awbLock is OFF   | CONVERGED     | Values good after unlock, transient states are skipped by camera device.
          </details>
        </entry>
        <clone entry="android.control.effectMode" kind="controls">
        </clone>
        <clone entry="android.control.mode" kind="controls">
        </clone>
        <clone entry="android.control.sceneMode" kind="controls">
        </clone>
        <clone entry="android.control.videoStabilizationMode" kind="controls">
        </clone>
      </dynamic>
      <static>
        <entry name="availableHighSpeedVideoConfigurations" type="int32" visibility="hidden"
               container="array" typedef="highSpeedVideoConfiguration" hwlevel="limited">
          <array>
            <size>5</size>
            <size>n</size>
          </array>
          <description>
          List of available high speed video size, fps range and max batch size configurations
          supported by the camera device, in the format of (width, height, fps_min, fps_max, batch_size_max).
          </description>
          <range>
          For each configuration, the fps_max &amp;gt;= 120fps.
          </range>
          <details>
          When CONSTRAINED_HIGH_SPEED_VIDEO is supported in android.request.availableCapabilities,
          this metadata will list the supported high speed video size, fps range and max batch size
          configurations. All the sizes listed in this configuration will be a subset of the sizes
          reported by {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes}
          for processed non-stalling formats.

          For the high speed video use case, the application must
          select the video size and fps range from this metadata to configure the recording and
          preview streams and setup the recording requests. For example, if the application intends
          to do high speed recording, it can select the maximum size reported by this metadata to
          configure output streams. Once the size is selected, application can filter this metadata
          by selected size and get the supported fps ranges, and use these fps ranges to setup the
          recording requests. Note that for the use case of multiple output streams, application
          must select one unique size from this metadata to use (e.g., preview and recording streams
          must have the same size). Otherwise, the high speed capture session creation will fail.

          The min and max fps will be multiple times of 30fps.

          High speed video streaming extends significant performance pressue to camera hardware,
          to achieve efficient high speed streaming, the camera device may have to aggregate
          multiple frames together and send to camera device for processing where the request
          controls are same for all the frames in this batch. Max batch size indicates
          the max possible number of frames the camera device will group together for this high
          speed stream configuration. This max batch size will be used to generate a high speed
          recording request list by
          {@link android.hardware.camera2.CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList}.
          The max batch size for each configuration will satisfy below conditions:

          * Each max batch size will be a divisor of its corresponding fps_max / 30. For example,
          if max_fps is 300, max batch size will only be 1, 2, 5, or 10.
          * The camera device may choose smaller internal batch size for each configuration, but
          the actual batch size will be a divisor of max batch size. For example, if the max batch
          size is 8, the actual batch size used by camera device will only be 1, 2, 4, or 8.
          * The max batch size in each configuration entry must be no larger than 32.

          The camera device doesn't have to support batch mode to achieve high speed video recording,
          in such case, batch_size_max will be reported as 1 in each configuration entry.

          This fps ranges in this configuration list can only be used to create requests
          that are submitted to a high speed camera capture session created by
          {@link android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession}.
          The fps ranges reported in this metadata must not be used to setup capture requests for
          normal capture session, or it will cause request error.
          </details>
          <hal_details>
          All the sizes listed in this configuration will be a subset of the sizes reported by
          android.scaler.availableStreamConfigurations for processed non-stalling output formats.
          Note that for all high speed video configurations, HAL must be able to support a minimum
          of two streams, though the application might choose to configure just one stream.

          The HAL may support multiple sensor modes for high speed outputs, for example, 120fps
          sensor mode and 120fps recording, 240fps sensor mode for 240fps recording. The application
          usually starts preview first, then starts recording. To avoid sensor mode switch caused
          stutter when starting recording as much as possible, the application may want to ensure
          the same sensor mode is used for preview and recording. Therefore, The HAL must advertise
          the variable fps range [30, fps_max] for each fixed fps range in this configuration list.
          For example, if the HAL advertises [120, 120] and [240, 240], the HAL must also advertise
          [30, 120] and [30, 240] for each configuration. In doing so, if the application intends to
          do 120fps recording, it can select [30, 120] to start preview, and [120, 120] to start
          recording. For these variable fps ranges, it's up to the HAL to decide the actual fps
          values that are suitable for smooth preview streaming. If the HAL sees different max_fps
          values that fall into different sensor modes in a sequence of requests, the HAL must
          switch the sensor mode as quick as possible to minimize the mode switch caused stutter.
          </hal_details>
          <tag id="V1" />
        </entry>
        <entry name="aeLockAvailable" type="byte" visibility="public" enum="true"
               typedef="boolean" hwlevel="legacy">
          <enum>
            <value>FALSE</value>
            <value>TRUE</value>
          </enum>
          <description>Whether the camera device supports android.control.aeLock</description>
          <details>
              Devices with MANUAL_SENSOR capability or BURST_CAPTURE capability will always
              list `true`. This includes FULL devices.
          </details>
          <tag id="BC"/>
        </entry>
        <entry name="awbLockAvailable" type="byte" visibility="public" enum="true"
               typedef="boolean" hwlevel="legacy">
          <enum>
            <value>FALSE</value>
            <value>TRUE</value>
          </enum>
          <description>Whether the camera device supports android.control.awbLock</description>
          <details>
              Devices with MANUAL_POST_PROCESSING capability or BURST_CAPTURE capability will
              always list `true`. This includes FULL devices.
          </details>
          <tag id="BC"/>
        </entry>
        <entry name="availableModes" type="byte" visibility="public"
            type_notes="List of enums (android.control.mode)." container="array"
            typedef="enumList" hwlevel="legacy">
          <array>
            <size>n</size>
          </array>
          <description>
          List of control modes for android.control.mode that are supported by this camera
          device.
          </description>
          <range>Any value listed in android.control.mode</range>
          <details>
              This list contains control modes that can be set for the camera device.
              LEGACY mode devices will always support AUTO mode. LIMITED and FULL
              devices will always support OFF, AUTO modes.
          </details>
        </entry>
        <entry name="postRawSensitivityBoostRange" type="int32" visibility="public"
            type_notes="Range of supported post RAW sensitivitiy boosts"
            container="array" typedef="rangeInt">
          <array>
            <size>2</size>
          </array>
          <description>Range of boosts for android.control.postRawSensitivityBoost supported
            by this camera device.
          </description>
          <units>ISO arithmetic units, the same as android.sensor.sensitivity</units>
          <details>
            Devices support post RAW sensitivity boost  will advertise
            android.control.postRawSensitivityBoost key for controling
            post RAW sensitivity boost.

            This key will be `null` for devices that do not support any RAW format
            outputs. For devices that do support RAW format outputs, this key will always
            present, and if a device does not support post RAW sensitivity boost, it will
            list `(100, 100)` in this key.
          </details>
          <hal_details>
             This key is added in legacy HAL3.4. For legacy HAL3.3 or earlier devices, camera
             framework will generate this key as `(100, 100)` if device supports any of RAW output
             formats.  All legacy HAL3.4 and above devices should list this key if device supports
             any of RAW output formats.
          </hal_details>
        </entry>
      </static>
      <controls>
        <entry name="postRawSensitivityBoost" type="int32" visibility="public">
          <description>The amount of additional sensitivity boost applied to output images
             after RAW sensor data is captured.
          </description>
          <units>ISO arithmetic units, the same as android.sensor.sensitivity</units>
          <range>android.control.postRawSensitivityBoostRange</range>
          <details>
          Some camera devices support additional digital sensitivity boosting in the
          camera processing pipeline after sensor RAW image is captured.
          Such a boost will be applied to YUV/JPEG format output images but will not
          have effect on RAW output formats like RAW_SENSOR, RAW10, RAW12 or RAW_OPAQUE.

          This key will be `null` for devices that do not support any RAW format
          outputs. For devices that do support RAW format outputs, this key will always
          present, and if a device does not support post RAW sensitivity boost, it will
          list `100` in this key.

          If the camera device cannot apply the exact boost requested, it will reduce the
          boost to the nearest supported value.
          The final boost value used will be available in the output capture result.

          For devices that support post RAW sensitivity boost, the YUV/JPEG output images
          of such device will have the total sensitivity of
          `android.sensor.sensitivity * android.control.postRawSensitivityBoost / 100`
          The sensitivity of RAW format images will always be `android.sensor.sensitivity`

          This control is only effective if android.control.aeMode or android.control.mode is set to
          OFF; otherwise the auto-exposure algorithm will override this value.
          </details>
        </entry>
      </controls>
      <dynamic>
        <clone entry="android.control.postRawSensitivityBoost" kind="controls">
        </clone>
      </dynamic>
      <controls>
        <entry name="enableZsl" type="byte" visibility="public" enum="true" typedef="boolean">
          <enum>
            <value>FALSE
            <notes>Requests with android.control.captureIntent == STILL_CAPTURE must be captured
              after previous requests.</notes></value>
            <value>TRUE
            <notes>Requests with android.control.captureIntent == STILL_CAPTURE may or may not be
              captured before previous requests.</notes></value>
          </enum>
          <description>Allow camera device to enable zero-shutter-lag mode for requests with
            android.control.captureIntent == STILL_CAPTURE.
          </description>
          <details>
          If enableZsl is `true`, the camera device may enable zero-shutter-lag mode for requests with
          STILL_CAPTURE capture intent. The camera device may use images captured in the past to
          produce output images for a zero-shutter-lag request. The result metadata including the
          android.sensor.timestamp reflects the source frames used to produce output images.
          Therefore, the contents of the output images and the result metadata may be out of order
          compared to previous regular requests. enableZsl does not affect requests with other
          capture intents.

          For example, when requests are submitted in the following order:
            Request A: enableZsl is ON, android.control.captureIntent is PREVIEW
            Request B: enableZsl is ON, android.control.captureIntent is STILL_CAPTURE

          The output images for request B may have contents captured before the output images for
          request A, and the result metadata for request B may be older than the result metadata for
          request A.

          Note that when enableZsl is `true`, it is not guaranteed to get output images captured in
          the past for requests with STILL_CAPTURE capture intent.

          For applications targeting SDK versions O and newer, the value of enableZsl in
          TEMPLATE_STILL_CAPTURE template may be `true`. The value in other templates is always
          `false` if present.

          For applications targeting SDK versions older than O, the value of enableZsl in all
          capture templates is always `false` if present.

          For application-operated ZSL, use CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.
          </details>
          <hal_details>
          It is valid for HAL to produce regular output images for requests with STILL_CAPTURE
          capture intent.
          </hal_details>
        </entry>
      </controls>
      <dynamic>
        <clone entry="android.control.enableZsl" kind="controls">
        </clone>
        <entry name="afSceneChange" type="byte" visibility="public" enum="true" hal_version="3.3">
          <enum>
            <value>NOT_DETECTED
            <notes>Scene change is not detected within the AF region(s).</notes></value>
            <value>DETECTED
            <notes>Scene change is detected within the AF region(s).</notes></value>
          </enum>
          <description>Whether a significant scene change is detected within the currently-set AF
          region(s).</description>
          <details>When the camera focus routine detects a change in the scene it is looking at,
          such as a large shift in camera viewpoint, significant motion in the scene, or a
          significant illumination change, this value will be set to DETECTED for a single capture
          result. Otherwise the value will be NOT_DETECTED. The threshold for detection is similar
          to what would trigger a new passive focus scan to begin in CONTINUOUS autofocus modes.

          This key will be available if the camera device advertises this key via {@link
          android.hardware.camera2.CameraCharacteristics#getAvailableCaptureResultKeys|ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS}.
          </details>
        </entry>
      </dynamic>
      <static>
        <entry name="availableExtendedSceneModeMaxSizes" type="int32"
               visibility="ndk_public" optional="true"
               type_notes="List of extended scene modes and the corresponding max streaming sizes."
               container="array" hwlevel="limited" hal_version="3.5">
          <array>
            <size>3</size>
            <size>n</size>
          </array>
          <description>
          The list of extended scene modes for android.control.extendedSceneMode that are supported
          by this camera device, and each extended scene mode's maximum streaming (non-stall) size
          with  effect.
          </description>
          <units>(mode, width, height)</units>
          <details>
            For DISABLED mode, the camera behaves normally with no extended scene mode enabled.

            For BOKEH_STILL_CAPTURE mode, the maximum streaming dimension specifies the limit
            under which bokeh is effective when capture intent is PREVIEW. Note that when capture
            intent is PREVIEW, the bokeh effect may not be as high in quality compared to
            STILL_CAPTURE intent in order to maintain reasonable frame rate. The maximum streaming
            dimension must be one of the YUV_420_888 or PRIVATE resolutions in
            availableStreamConfigurations, or (0, 0) if preview bokeh is not supported. If the
            application configures a stream larger than the maximum streaming dimension, bokeh
            effect may not be applied for this stream for PREVIEW intent.

            For BOKEH_CONTINUOUS mode, the maximum streaming dimension specifies the limit under
            which bokeh is effective. This dimension must be one of the YUV_420_888 or PRIVATE
            resolutions in availableStreamConfigurations, and if the sensor maximum resolution is
            larger than or equal to 1080p, the maximum streaming dimension must be at least 1080p.
            If the application configures a stream with larger dimension, the stream may not have
            bokeh effect applied.
          </details>
          <hal_details>
            For available extended scene modes, DISABLED will always be listed.

            HAL must support at list one non-OFF extended scene mode if extendedSceneMode control is
            available on the camera device. For DISABLED mode, the maximum streaming resolution must
            be set to (0, 0).
          </hal_details>
        </entry>
        <entry name="availableExtendedSceneModeZoomRatioRanges" type="float"
               visibility="ndk_public" optional="true"
               type_notes="Zoom ranges for all supported non-OFF extended scene modes."
               container="array" hwlevel="limited" hal_version="3.5">
          <array>
            <size>2</size>
            <size>n</size>
          </array>
          <description>
          The ranges of supported zoom ratio for non-DISABLED android.control.extendedSceneMode.
          </description>
          <units>(minZoom, maxZoom)</units>
          <details>
            When extended scene mode is set, the camera device may have limited range of zoom ratios
            compared to when extended scene mode is DISABLED. This tag lists the zoom ratio ranges
            for all supported non-DISABLED extended scene modes, in the same order as in
            android.control.availableExtended.

            Range [1.0, 1.0] means that no zoom (optical or digital) is supported.
          </details>
        </entry>
        <entry name="availableExtendedSceneModeCapabilities" type="int32" visibility="public"
               synthetic="true" container="array" typedef="capability" hal_version="3.5">
          <array>
            <size>n</size>
          </array>
          <description>The list of extended scene modes for android.control.extendedSceneMode that
            are supported by this camera device, and each extended scene mode's capabilities such
            as maximum streaming size, and supported zoom ratio ranges.</description>
          <details>
            For DISABLED mode, the camera behaves normally with no extended scene mode enabled.

            For BOKEH_STILL_CAPTURE mode, the maximum streaming dimension specifies the limit
            under which bokeh is effective when capture intent is PREVIEW. Note that when capture
            intent is PREVIEW, the bokeh effect may not be as high quality compared to STILL_CAPTURE
            intent in order to maintain reasonable frame rate. The maximum streaming dimension must
            be one of the YUV_420_888 or PRIVATE resolutions in availableStreamConfigurations, or
            (0, 0) if preview bokeh is not supported. If the application configures a stream
            larger than the maximum streaming dimension, bokeh effect may not be applied for this
            stream for PREVIEW intent.

            For BOKEH_CONTINUOUS mode, the maximum streaming dimension specifies the limit under
            which bokeh is effective. This dimension must be one of the YUV_420_888 or PRIVATE
            resolutions in availableStreamConfigurations, and if the sensor maximum resolution is
            larger than or equal to 1080p, the maximum streaming dimension must be at least 1080p.
            If the application configures a stream with larger dimension, the stream may not have
            bokeh effect applied.

            When extended scene mode is set, the camera device may have limited range of zoom ratios
            compared to when the mode is DISABLED. availableExtendedSceneModeCapabilities lists the
            zoom ranges for all supported extended modes. A range of (1.0, 1.0) means that no zoom
            (optical or digital) is supported.
          </details>
        </entry>
      </static>
      <controls>
        <entry name="extendedSceneMode" type="byte" visibility="public" optional="true"
            enum="true" hal_version="3.5">
          <enum>
            <value id="0">DISABLED
            <notes>Extended scene mode is disabled.</notes></value>
            <value>BOKEH_STILL_CAPTURE
              <notes>High quality bokeh mode is enabled for all non-raw streams (including YUV,
              JPEG, and IMPLEMENTATION_DEFINED) when capture intent is STILL_CAPTURE. Due to the
              extra image processing, this mode may introduce additional stall to non-raw streams.
              This mode should be used in high quality still capture use case.
              </notes>
            </value>
            <value>BOKEH_CONTINUOUS
              <notes>Bokeh effect must not slow down capture rate relative to sensor raw output,
              and the effect is applied to all processed streams no larger than the maximum
              streaming dimension. This mode should be used if performance and power are a
              priority, such as video recording.
              </notes>
            </value>
            <value visibility="hidden" id="0x40">VENDOR_START
              <notes>
                Vendor defined extended scene modes. These depend on vendor implementation.
              </notes>
            </value>
          </enum>
          <description>Whether extended scene mode is enabled for a particular capture request.
          </description>
          <details>
          With bokeh mode, the camera device may blur out the parts of scene that are not in
          focus, creating a bokeh (or shallow depth of field) effect for people or objects.

          When set to BOKEH_STILL_CAPTURE mode with STILL_CAPTURE capture intent, due to the extra
          processing needed for high quality bokeh effect, the stall may be longer than when
          capture intent is not STILL_CAPTURE.

          When set to BOKEH_STILL_CAPTURE mode with PREVIEW capture intent,

          * If the camera device has BURST_CAPTURE capability, the frame rate requirement of
          BURST_CAPTURE must still be met.
          * All streams not larger than the maximum streaming dimension for BOKEH_STILL_CAPTURE mode
          (queried via {@link android.hardware.camera2.CameraCharacteristics#CONTROL_AVAILABLE_EXTENDED_SCENE_MODE_CAPABILITIES|ACAMERA_CONTROL_AVAILABLE_EXTENDED_SCENE_MODE_MAX_SIZES})
          will have preview bokeh effect applied.

          When set to BOKEH_CONTINUOUS mode, configured streams dimension should not exceed this mode's
          maximum streaming dimension in order to have bokeh effect applied. Bokeh effect may not
          be available for streams larger than the maximum streaming dimension.

          Switching between different extended scene modes may involve reconfiguration of the camera
          pipeline, resulting in long latency. The application should check this key against the
          available session keys queried via
          {@link android.hardware.camera2.CameraCharacteristics#getAvailableSessionKeys|ACameraManager_getCameraCharacteristics}.

          For a logical multi-camera, bokeh may be implemented by stereo vision from sub-cameras
          with different field of view. As a result, when bokeh mode is enabled, the camera device
          may override android.scaler.cropRegion or android.control.zoomRatio, and the field of
          view may be smaller than when bokeh mode is off.
          </details>
        </entry>
      </controls>
      <dynamic>
        <clone entry="android.control.extendedSceneMode" kind="controls">
        </clone>
      </dynamic>
      <static>
        <entry name="zoomRatioRange" type="float" visibility="public"
               type_notes="The range of zoom ratios that this camera device supports."
               container="array" typedef="rangeFloat" hwlevel="limited" hal_version="3.5">
          <array>
            <size>2</size>
          </array>
          <description>
          Minimum and maximum zoom ratios supported by this camera device.
          </description>
          <units>A pair of zoom ratio in floating-points: (minZoom, maxZoom)</units>
          <range>
            maxZoom >= 1.0 >= minZoom
          </range>
          <details>
            If the camera device supports zoom-out from 1x zoom, minZoom will be less than 1.0, and
            setting android.control.zoomRatio to values less than 1.0 increases the camera's field
            of view.
          </details>
          <hal_details>
            When the key is reported, the camera device's android.scaler.availableMaxDigitalZoom
            must be less than or equal to maxZoom. The camera framework makes sure to always
            control zoom via android.control.zoomRatio. The android.scaler.cropRegion tag is only
            used to do horizontal or vertical cropping (but not both) to achieve aspect ratio
            different than the camera sensor's native aspect ratio.

            For a logical multi-camera device, this key must either be reported for both the logical
            camera device and all its physical sub-cameras, or none of them.

            When the key is not reported, camera framework derives the application-facing
            zoomRatioRange to be (1, android.scaler.availableMaxDigitalZoom).
          </hal_details>
        </entry>
      </static>
      <controls>
        <entry name="zoomRatio" type="float" visibility="public" hwlevel="limited"
            hal_version="3.5">
          <description>
            The desired zoom ratio
          </description>
          <range>android.control.zoomRatioRange</range>
          <details>
            Instead of using android.scaler.cropRegion for zoom, the application can now choose to
            use this tag to specify the desired zoom level.

            By using this control, the application gains a simpler way to control zoom, which can
            be a combination of optical and digital zoom. For example, a multi-camera system may
            contain more than one lens with different focal lengths, and the user can use optical
            zoom by switching between lenses. Using zoomRatio has benefits in the scenarios below:

            * Zooming in from a wide-angle lens to a telephoto lens: A floating-point ratio provides
              better precision compared to an integer value of android.scaler.cropRegion.
            * Zooming out from a wide lens to an ultrawide lens: zoomRatio supports zoom-out whereas
              android.scaler.cropRegion doesn't.

            To illustrate, here are several scenarios of different zoom ratios, crop regions,
            and output streams, for a hypothetical camera device with an active array of size
            `(2000,1500)`.

            * Camera Configuration:
                * Active array size: `2000x1500` (3 MP, 4:3 aspect ratio)
                * Output stream #1: `640x480` (VGA, 4:3 aspect ratio)
                * Output stream #2: `1280x720` (720p, 16:9 aspect ratio)
            * Case #1: 4:3 crop region with 2.0x zoom ratio
                * Zoomed field of view: 1/4 of original field of view
                * Crop region: `Rect(0, 0, 2000, 1500) // (left, top, right, bottom)` (post zoom)
            * ![4:3 aspect ratio crop diagram](android.control.zoomRatio/zoom-ratio-2-crop-43.png)
                * `640x480` stream source area: `(0, 0, 2000, 1500)` (equal to crop region)
                * `1280x720` stream source area: `(0, 187, 2000, 1312)` (letterboxed)
            * Case #2: 16:9 crop region with 2.0x zoom.
                * Zoomed field of view: 1/4 of original field of view
                * Crop region: `Rect(0, 187, 2000, 1312)`
                * ![16:9 aspect ratio crop diagram](android.control.zoomRatio/zoom-ratio-2-crop-169.png)
                * `640x480` stream source area: `(250, 187, 1750, 1312)` (pillarboxed)
                * `1280x720` stream source area: `(0, 187, 2000, 1312)` (equal to crop region)
            * Case #3: 1:1 crop region with 0.5x zoom out to ultrawide lens.
                * Zoomed field of view: 4x of original field of view (switched from wide lens to ultrawide lens)
                * Crop region: `Rect(250, 0, 1750, 1500)`
                * ![1:1 aspect ratio crop diagram](android.control.zoomRatio/zoom-ratio-0.5-crop-11.png)
                * `640x480` stream source area: `(250, 187, 1750, 1312)` (letterboxed)
                * `1280x720` stream source area: `(250, 328, 1750, 1172)` (letterboxed)

            As seen from the graphs above, the coordinate system of cropRegion now changes to the
            effective after-zoom field-of-view, and is represented by the rectangle of (0, 0,
            activeArrayWith, activeArrayHeight). The same applies to AE/AWB/AF regions, and faces.
            This coordinate system change isn't applicable to RAW capture and its related
            metadata such as intrinsicCalibration and lensShadingMap.

            Using the same hypothetical example above, and assuming output stream #1 (640x480) is
            the viewfinder stream, the application can achieve 2.0x zoom in one of two ways:

            * zoomRatio = 2.0, scaler.cropRegion = (0, 0, 2000, 1500)
            * zoomRatio = 1.0 (default), scaler.cropRegion = (500, 375, 1500, 1125)

            If the application intends to set aeRegions to be top-left quarter of the viewfinder
            field-of-view, the android.control.aeRegions should be set to (0, 0, 1000, 750) with
            zoomRatio set to 2.0. Alternatively, the application can set aeRegions to the equivalent
            region of (500, 375, 1000, 750) for zoomRatio of 1.0. If the application doesn't
            explicitly set android.control.zoomRatio, its value defaults to 1.0.

            One limitation of controlling zoom using zoomRatio is that the android.scaler.cropRegion
            must only be used for letterboxing or pillarboxing of the sensor active array, and no
            FREEFORM cropping can be used with android.control.zoomRatio other than 1.0. If
            android.control.zoomRatio is not 1.0, and android.scaler.cropRegion is set to be
            windowboxing, the camera framework will override the android.scaler.cropRegion to be
            the active array.

            In the capture request, if the application sets android.control.zoomRatio to a
            value != 1.0, the android.control.zoomRatio tag in the capture result reflects the
            effective zoom ratio achieved by the camera device, and the android.scaler.cropRegion
            adjusts for additional crops that are not zoom related. Otherwise, if the application
            sets android.control.zoomRatio to 1.0, or does not set it at all, the
            android.control.zoomRatio tag in the result metadata will also be 1.0.

            When the application requests a physical stream for a logical multi-camera, the
            android.control.zoomRatio in the physical camera result metadata will be 1.0, and
            the android.scaler.cropRegion tag reflects the amount of zoom and crop done by the
            physical camera device.
          </details>
          <hal_details>
            For all capture request templates, this field must be set to 1.0 in order to have
            consistent field of views between different modes.
          </hal_details>
        </entry>
      </controls>
      <dynamic>
        <clone entry="android.control.zoomRatio" kind="controls">
        </clone>
      </dynamic>
    <static>
      <entry name="availableHighSpeedVideoConfigurationsMaximumResolution" type="int32"
        visibility="hidden" container="array" typedef="highSpeedVideoConfiguration"
        hal_version="3.6">
        <array>
          <size>5</size>
          <size>n</size>
        </array>
        <description>
        List of available high speed video size, fps range and max batch size configurations
        supported by the camera device, in the format of
        (width, height, fps_min, fps_max, batch_size_max),
        when android.sensor.pixelMode is set to
        {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
        </description>
        <range>
        For each configuration, the fps_max &amp;gt;= 120fps.
        </range>
        <details>
        Analogous to android.control.availableHighSpeedVideoConfigurations, for configurations
        which are applicable when android.sensor.pixelMode is set to
        {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
        </details>
        <hal_details>
        Refer to hal details for android.control.availableHighSpeedVideoConfigurations.
        </hal_details>
        <tag id="V1" />
      </entry>
    </static>
    <controls>
        <entry name="afRegionsSet" type="byte" visibility="fwk_only"
               enum="true" typedef="boolean">
          <enum>
            <value>TRUE
            <notes>AF regions (android.control.afRegions) have been set by the camera client.
            </notes>
            </value>
            <value>FALSE
            <notes>
              AF regions (android.control.afRegions) have not been set by the camera client.
            </notes>
            </value>
          </enum>
          <description>
            Framework-only private key which informs camera fwk that the AF regions has been set
            by the client and those regions need not be corrected when android.sensor.pixelMode is
            set to MAXIMUM_RESOLUTION.
          </description>
          <details>
            This must be set to TRUE by the camera2 java fwk when the camera client sets
            android.control.afRegions.
          </details>
        </entry>
        <entry name="aeRegionsSet" type="byte" visibility="fwk_only"
          enum="true" typedef="boolean">
          <enum>
            <value>TRUE
            <notes> AE regions (android.control.aeRegions) have been set by the camera client.
            </notes>
            </value>
            <value>FALSE
            <notes>
              AE regions (android.control.aeRegions) have not been set by the camera client.
            </notes>
            </value>
          </enum>
          <description>
            Framework-only private key which informs camera fwk that the AE regions has been set
            by the client and those regions need not be corrected when android.sensor.pixelMode is
            set to MAXIMUM_RESOLUTION.
          </description>
          <details>
            This must be set to TRUE by the camera2 java fwk when the camera client sets
            android.control.aeRegions.
          </details>
        </entry>
        <entry name="awbRegionsSet" type="byte" visibility="fwk_only"
          enum="true" typedef="boolean">
          <enum>
            <value>TRUE
            <notes> AWB regions (android.control.awbRegions) have been set by the camera client.
            </notes>
            </value>
            <value>FALSE
            <notes>
              AWB regions (android.control.awbRegions) have not been set by the camera client.
            </notes>
            </value>
          </enum>
          <description>
            Framework-only private key which informs camera fwk that the AF regions has been set
            by the client and those regions need not be corrected when android.sensor.pixelMode is
            set to MAXIMUM_RESOLUTION.
          </description>
          <details>
            This must be set to TRUE by the camera2 java fwk when the camera client sets
            android.control.awbRegions.
          </details>
        </entry>
    </controls>
    </section>
    <section name="demosaic">
      <controls>
        <entry name="mode" type="byte" enum="true">
          <enum>
            <value>FAST
            <notes>Minimal or no slowdown of frame rate compared to
            Bayer RAW output.</notes></value>
            <value>HIGH_QUALITY
            <notes>Improved processing quality but the frame rate might be slowed down
            relative to raw output.</notes></value>
          </enum>
          <description>Controls the quality of the demosaicing
          processing.</description>
          <tag id="FUTURE" />
        </entry>
      </controls>
    </section>
    <section name="edge">
      <controls>
        <entry name="mode" type="byte" visibility="public" enum="true" hwlevel="full">
          <enum>
            <value>OFF
            <notes>No edge enhancement is applied.</notes></value>
            <value>FAST
            <notes>Apply edge enhancement at a quality level that does not slow down frame rate
            relative to sensor output. It may be the same as OFF if edge enhancement will
            slow down frame rate relative to sensor.</notes></value>
            <value>HIGH_QUALITY
            <notes>Apply high-quality edge enhancement, at a cost of possibly reduced output frame rate.
            </notes></value>
            <value optional="true">ZERO_SHUTTER_LAG <notes>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|ACameraDevice_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).

            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
            produced via reprocessing when a user takes a picture.  For such a use case, the
            high-resolution buffers must not have edge enhancement applied to maximize efficiency of
            preview and to avoid double-applying enhancement when reprocessed, while low-resolution
            buffers (used for recording or preview, generally) need edge enhancement applied for
            reasonable preview quality.

            This mode is guaranteed to be supported by devices that support either the
            YUV_REPROCESSING or PRIVATE_REPROCESSING capabilities
            (android.request.availableCapabilities lists either of those capabilities) and it will
            be the default mode for CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.
            </notes></value>
          </enum>
          <description>Operation mode for edge
          enhancement.</description>
          <range>android.edge.availableEdgeModes</range>
          <details>Edge enhancement improves sharpness and details in the captured image. OFF means
          no enhancement will be applied by the camera device.

          FAST/HIGH_QUALITY both mean camera device determined enhancement
          will be applied. HIGH_QUALITY mode indicates that the
          camera device will use the highest-quality enhancement algorithms,
          even if it slows down capture rate. FAST means the camera device will
          not slow down capture rate when applying edge enhancement. FAST may be the same as OFF if
          edge enhancement will slow down capture rate. Every output stream will have a similar
          amount of enhancement applied.

          ZERO_SHUTTER_LAG is meant to be used by applications that maintain a continuous circular
          buffer of high-resolution images during preview and reprocess image(s) from that buffer
          into a final capture when triggered by the user. In this mode, the camera device applies
          edge enhancement to low-resolution streams (below maximum recording resolution) to
          maximize preview quality, but does not apply edge enhancement to high-resolution streams,
          since those will be reprocessed later if necessary.

          For YUV_REPROCESSING, these FAST/HIGH_QUALITY modes both mean that the camera
          device will apply FAST/HIGH_QUALITY YUV-domain edge enhancement, respectively.
          The camera device may adjust its internal edge enhancement parameters for best
          image quality based on the android.reprocess.effectiveExposureFactor, if it is set.
          </details>
          <hal_details>
          For YUV_REPROCESSING The HAL can use android.reprocess.effectiveExposureFactor to
          adjust the internal edge enhancement reduction parameters appropriately to get the best
          quality images.
          </hal_details>
          <tag id="V1" />
          <tag id="REPROC" />
        </entry>
        <entry name="strength" type="byte">
          <description>Control the amount of edge enhancement
          applied to the images</description>
          <units>1-10; 10 is maximum sharpening</units>
          <tag id="FUTURE" />
        </entry>
      </controls>
      <static>
        <entry name="availableEdgeModes" type="byte" visibility="public"
               type_notes="list of enums" container="array" typedef="enumList"
               hwlevel="full">
          <array>
            <size>n</size>
          </array>
          <description>
          List of edge enhancement modes for android.edge.mode that are supported by this camera
          device.
          </description>
          <range>Any value listed in android.edge.mode</range>
          <details>
          Full-capability camera devices must always support OFF; camera devices that support
          YUV_REPROCESSING or PRIVATE_REPROCESSING will list ZERO_SHUTTER_LAG; all devices will
          list FAST.
          </details>
          <hal_details>
          HAL must support both FAST and HIGH_QUALITY if edge enhancement control is available
          on the camera device, but the underlying implementation can be the same for both modes.
          That is, if the highest quality implementation on the camera device does not slow down
          capture rate, then FAST and HIGH_QUALITY will generate the same output.
          </hal_details>
          <tag id="V1" />
          <tag id="REPROC" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.edge.mode" kind="controls">
          <tag id="V1" />
          <tag id="REPROC" />
        </clone>
      </dynamic>
    </section>
    <section name="flash">
      <controls>
        <entry name="firingPower" type="byte">
          <description>Power for flash firing/torch</description>
          <units>10 is max power; 0 is no flash. Linear</units>
          <range>0 - 10</range>
          <details>Power for snapshot may use a different scale than
          for torch mode. Only one entry for torch mode will be
          used</details>
          <tag id="FUTURE" />
        </entry>
        <entry name="firingTime" type="int64">
          <description>Firing time of flash relative to start of
          exposure</description>
          <units>nanoseconds</units>
          <range>0-(exposure time-flash duration)</range>
          <details>Clamped to (0, exposure time - flash
          duration).</details>
          <tag id="FUTURE" />
        </entry>
        <entry name="mode" type="byte" visibility="public" enum="true" hwlevel="legacy">
          <enum>
            <value>OFF
              <notes>
              Do not fire the flash for this capture.
              </notes>
            </value>
            <value>SINGLE
              <notes>
              If the flash is available and charged, fire flash
              for this capture.
              </notes>
            </value>
            <value>TORCH
              <notes>
              Transition flash to continuously on.
              </notes>
            </value>
          </enum>
          <description>The desired mode for for the camera device's flash control.</description>
          <details>
          This control is only effective when flash unit is available
          (`android.flash.info.available == true`).

          When this control is used, the android.control.aeMode must be set to ON or OFF.
          Otherwise, the camera device auto-exposure related flash control (ON_AUTO_FLASH,
          ON_ALWAYS_FLASH, or ON_AUTO_FLASH_REDEYE) will override this control.

          When set to OFF, the camera device will not fire flash for this capture.

          When set to SINGLE, the camera device will fire flash regardless of the camera
          device's auto-exposure routine's result. When used in still capture case, this
          control should be used along with auto-exposure (AE) precapture metering sequence
          (android.control.aePrecaptureTrigger), otherwise, the image may be incorrectly exposed.

          When set to TORCH, the flash will be on continuously. This mode can be used
          for use cases such as preview, auto-focus assist, still capture, or video recording.

          The flash status will be reported by android.flash.state in the capture result metadata.
          </details>
          <tag id="BC" />
        </entry>
      </controls>
      <static>
        <namespace name="info">
          <entry name="available" type="byte" visibility="public" enum="true"
                 typedef="boolean" hwlevel="legacy">
            <enum>
              <value>FALSE</value>
              <value>TRUE</value>
            </enum>
            <description>Whether this camera device has a
            flash unit.</description>
            <details>
            Will be `false` if no flash is available.

            If there is no flash unit, none of the flash controls do
            anything.</details>
            <tag id="BC" />
          </entry>
          <entry name="chargeDuration" type="int64">
            <description>Time taken before flash can fire
            again</description>
            <units>nanoseconds</units>
            <range>0-1e9</range>
            <details>1 second too long/too short for recharge? Should
            this be power-dependent?</details>
            <tag id="FUTURE" />
          </entry>
        </namespace>
        <entry name="colorTemperature" type="byte">
          <description>The x,y whitepoint of the
          flash</description>
          <units>pair of floats</units>
          <range>0-1 for both</range>
          <tag id="FUTURE" />
        </entry>
        <entry name="maxEnergy" type="byte">
          <description>Max energy output of the flash for a full
          power single flash</description>
          <units>lumen-seconds</units>
          <range>&amp;gt;= 0</range>
          <tag id="FUTURE" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.flash.firingPower" kind="controls">
        </clone>
        <clone entry="android.flash.firingTime" kind="controls">
        </clone>
        <clone entry="android.flash.mode" kind="controls"></clone>
        <entry name="state" type="byte" visibility="public" enum="true"
               hwlevel="limited">
          <enum>
            <value>UNAVAILABLE
            <notes>No flash on camera.</notes></value>
            <value>CHARGING
            <notes>Flash is charging and cannot be fired.</notes></value>
            <value>READY
            <notes>Flash is ready to fire.</notes></value>
            <value>FIRED
            <notes>Flash fired for this capture.</notes></value>
            <value>PARTIAL
            <notes>Flash partially illuminated this frame.

            This is usually due to the next or previous frame having
            the flash fire, and the flash spilling into this capture
            due to hardware limitations.</notes></value>
          </enum>
          <description>Current state of the flash
          unit.</description>
          <details>
          When the camera device doesn't have flash unit
          (i.e. `android.flash.info.available == false`), this state will always be UNAVAILABLE.
          Other states indicate the current flash status.

          In certain conditions, this will be available on LEGACY devices:

           * Flash-less cameras always return UNAVAILABLE.
           * Using android.control.aeMode `==` ON_ALWAYS_FLASH
             will always return FIRED.
           * Using android.flash.mode `==` TORCH
             will always return FIRED.

          In all other conditions the state will not be available on
          LEGACY devices (i.e. it will be `null`).
          </details>
        </entry>
      </dynamic>
    </section>
    <section name="hotPixel">
      <controls>
        <entry name="mode" type="byte" visibility="public" enum="true">
          <enum>
            <value>OFF
              <notes>
              No hot pixel correction is applied.

              The frame rate must not be reduced relative to sensor raw output
              for this option.

              The hotpixel map may be returned in android.statistics.hotPixelMap.
              </notes>
            </value>
            <value>FAST
              <notes>
              Hot pixel correction is applied, without reducing frame
              rate relative to sensor raw output.

              The hotpixel map may be returned in android.statistics.hotPixelMap.
              </notes>
            </value>
            <value>HIGH_QUALITY
              <notes>
              High-quality hot pixel correction is applied, at a cost
              of possibly reduced frame rate relative to sensor raw output.

              The hotpixel map may be returned in android.statistics.hotPixelMap.
              </notes>
            </value>
          </enum>
          <description>
          Operational mode for hot pixel correction.
          </description>
          <range>android.hotPixel.availableHotPixelModes</range>
          <details>
          Hotpixel correction interpolates out, or otherwise removes, pixels
          that do not accurately measure the incoming light (i.e. pixels that
          are stuck at an arbitrary value or are oversensitive).
          </details>
          <tag id="V1" />
          <tag id="RAW" />
        </entry>
      </controls>
      <static>
        <entry name="availableHotPixelModes" type="byte" visibility="public"
          type_notes="list of enums" container="array" typedef="enumList">
          <array>
            <size>n</size>
          </array>
          <description>
          List of hot pixel correction modes for android.hotPixel.mode that are supported by this
          camera device.
          </description>
          <range>Any value listed in android.hotPixel.mode</range>
          <details>
          FULL mode camera devices will always support FAST.
          </details>
          <hal_details>
          To avoid performance issues, there will be significantly fewer hot
          pixels than actual pixels on the camera sensor.
          HAL must support both FAST and HIGH_QUALITY if hot pixel correction control is available
          on the camera device, but the underlying implementation can be the same for both modes.
          That is, if the highest quality implementation on the camera device does not slow down
          capture rate, then FAST and HIGH_QUALITY will generate the same output.
          </hal_details>
          <tag id="V1" />
          <tag id="RAW" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.hotPixel.mode" kind="controls">
          <tag id="V1" />
          <tag id="RAW" />
        </clone>
      </dynamic>
    </section>
    <section name="jpeg">
      <controls>
        <entry name="gpsLocation" type="byte" visibility="java_public" synthetic="true"
        typedef="location" hwlevel="legacy">
          <description>
          A location object to use when generating image GPS metadata.
          </description>
          <details>
          Setting a location object in a request will include the GPS coordinates of the location
          into any JPEG images captured based on the request. These coordinates can then be
          viewed by anyone who receives the JPEG image.

          This tag is also used for HEIC image capture.
          </details>
        </entry>
        <entry name="gpsCoordinates" type="double" visibility="ndk_public"
        type_notes="latitude, longitude, altitude. First two in degrees, the third in meters"
        container="array" hwlevel="legacy">
          <array>
            <size>3</size>
          </array>
          <description>GPS coordinates to include in output JPEG
          EXIF.</description>
          <range>(-180 - 180], [-90,90], [-inf, inf]</range>
          <details>This tag is also used for HEIC image capture.</details>
          <tag id="BC" />
        </entry>
        <entry name="gpsProcessingMethod" type="byte" visibility="ndk_public"
               typedef="string" hwlevel="legacy">
          <description>32 characters describing GPS algorithm to
          include in EXIF.</description>
          <units>UTF-8 null-terminated string</units>
          <details>This tag is also used for HEIC image capture.</details>
          <tag id="BC" />
        </entry>
        <entry name="gpsTimestamp" type="int64" visibility="ndk_public" hwlevel="legacy">
          <description>Time GPS fix was made to include in
          EXIF.</description>
          <units>UTC in seconds since January 1, 1970</units>
          <details>This tag is also used for HEIC image capture.</details>
          <tag id="BC" />
        </entry>
        <entry name="orientation" type="int32" visibility="public" hwlevel="legacy">
          <description>The orientation for a JPEG image.</description>
          <units>Degrees in multiples of 90</units>
          <range>0, 90, 180, 270</range>
          <details>
          The clockwise rotation angle in degrees, relative to the orientation
          to the camera, that the JPEG picture needs to be rotated by, to be viewed
          upright.

          Camera devices may either encode this value into the JPEG EXIF header, or
          rotate the image data to match this orientation. When the image data is rotated,
          the thumbnail data will also be rotated.

          Note that this orientation is relative to the orientation of the camera sensor, given
          by android.sensor.orientation.

          To translate from the device orientation given by the Android sensor APIs for camera
          sensors which are not EXTERNAL, the following sample code may be used:

              private int getJpegOrientation(CameraCharacteristics c, int deviceOrientation) {
                  if (deviceOrientation == android.view.OrientationEventListener.ORIENTATION_UNKNOWN) return 0;
                  int sensorOrientation = c.get(CameraCharacteristics.SENSOR_ORIENTATION);

                  // Round device orientation to a multiple of 90
                  deviceOrientation = (deviceOrientation + 45) / 90 * 90;

                  // Reverse device orientation for front-facing cameras
                  boolean facingFront = c.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT;
                  if (facingFront) deviceOrientation = -deviceOrientation;

                  // Calculate desired JPEG orientation relative to camera orientation to make
                  // the image upright relative to the device orientation
                  int jpegOrientation = (sensorOrientation + deviceOrientation + 360) % 360;

                  return jpegOrientation;
              }

          For EXTERNAL cameras the sensor orientation will always be set to 0 and the facing will
          also be set to EXTERNAL. The above code is not relevant in such case.

          This tag is also used to describe the orientation of the HEIC image capture, in which
          case the rotation is reflected by
          {@link android.media.ExifInterface#TAG_ORIENTATION EXIF orientation flag}, and not by
          rotating the image data itself.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="quality" type="byte" visibility="public" hwlevel="legacy">
          <description>Compression quality of the final JPEG
          image.</description>
          <range>1-100; larger is higher quality</range>
          <details>85-95 is typical usage range. This tag is also used to describe the quality
          of the HEIC image capture.</details>
          <tag id="BC" />
        </entry>
        <entry name="thumbnailQuality" type="byte" visibility="public" hwlevel="legacy">
          <description>Compression quality of JPEG
          thumbnail.</description>
          <range>1-100; larger is higher quality</range>
          <details>This tag is also used to describe the quality of the HEIC image capture.</details>
          <tag id="BC" />
        </entry>
        <entry name="thumbnailSize" type="int32" visibility="public"
        container="array" typedef="size" hwlevel="legacy">
          <array>
            <size>2</size>
          </array>
          <description>Resolution of embedded JPEG thumbnail.</description>
          <range>android.jpeg.availableThumbnailSizes</range>
          <details>When set to (0, 0) value, the JPEG EXIF will not contain thumbnail,
          but the captured JPEG will still be a valid image.

          For best results, when issuing a request for a JPEG image, the thumbnail size selected
          should have the same aspect ratio as the main JPEG output.

          If the thumbnail image aspect ratio differs from the JPEG primary image aspect
          ratio, the camera device creates the thumbnail by cropping it from the primary image.
          For example, if the primary image has 4:3 aspect ratio, the thumbnail image has
          16:9 aspect ratio, the primary image will be cropped vertically (letterbox) to
          generate the thumbnail image. The thumbnail image will always have a smaller Field
          Of View (FOV) than the primary image when aspect ratios differ.

          When an android.jpeg.orientation of non-zero degree is requested,
          the camera device will handle thumbnail rotation in one of the following ways:

          * Set the {@link android.media.ExifInterface#TAG_ORIENTATION EXIF orientation flag}
            and keep jpeg and thumbnail image data unrotated.
          * Rotate the jpeg and thumbnail image data and not set
            {@link android.media.ExifInterface#TAG_ORIENTATION EXIF orientation flag}. In this
            case, LIMITED or FULL hardware level devices will report rotated thumnail size in
            capture result, so the width and height will be interchanged if 90 or 270 degree
            orientation is requested. LEGACY device will always report unrotated thumbnail
            size.

          The tag is also used as thumbnail size for HEIC image format capture, in which case the
          the thumbnail rotation is reflected by
          {@link android.media.ExifInterface#TAG_ORIENTATION EXIF orientation flag}, and not by
          rotating the thumbnail data itself.
          </details>
          <hal_details>
          The HAL must not squeeze or stretch the downscaled primary image to generate thumbnail.
          The cropping must be done on the primary jpeg image rather than the sensor pre-correction
          active array. The stream cropping rule specified by "S5. Cropping" in camera3.h doesn't
          apply to the thumbnail image cropping.
          </hal_details>
          <tag id="BC" />
        </entry>
      </controls>
      <static>
        <entry name="availableThumbnailSizes" type="int32" visibility="public"
        container="array" typedef="size" hwlevel="legacy">
          <array>
            <size>2</size>
            <size>n</size>
          </array>
          <description>List of JPEG thumbnail sizes for android.jpeg.thumbnailSize supported by this
          camera device.</description>
          <details>
          This list will include at least one non-zero resolution, plus `(0,0)` for indicating no
          thumbnail should be generated.

          Below condiditions will be satisfied for this size list:

          * The sizes will be sorted by increasing pixel area (width x height).
          If several resolutions have the same area, they will be sorted by increasing width.
          * The aspect ratio of the largest thumbnail size will be same as the
          aspect ratio of largest JPEG output size in android.scaler.availableStreamConfigurations.
          The largest size is defined as the size that has the largest pixel area
          in a given size list.
          * Each output JPEG size in android.scaler.availableStreamConfigurations will have at least
          one corresponding size that has the same aspect ratio in availableThumbnailSizes,
          and vice versa.
          * All non-`(0, 0)` sizes will have non-zero widths and heights.

          This list is also used as supported thumbnail sizes for HEIC image format capture.
          </details>
          <tag id="BC" />
        </entry>
        <entry name="maxSize" type="int32" visibility="system">
          <description>Maximum size in bytes for the compressed
          JPEG buffer, in default sensor pixel mode (see android.sensor.pixelMode)</description>
          <range>Must be large enough to fit any JPEG produced by
          the camera</range>
          <details>This is used for sizing the gralloc buffers for
          JPEG</details>
        </entry>
      </static>
      <dynamic>
        <clone entry="android.jpeg.gpsLocation" kind="controls">
        </clone>
        <clone entry="android.jpeg.gpsCoordinates" kind="controls">
        </clone>
        <clone entry="android.jpeg.gpsProcessingMethod"
        kind="controls"></clone>
        <clone entry="android.jpeg.gpsTimestamp" kind="controls">
        </clone>
        <clone entry="android.jpeg.orientation" kind="controls">
        </clone>
        <clone entry="android.jpeg.quality" kind="controls">
        </clone>
        <entry name="size" type="int32">
          <description>The size of the compressed JPEG image, in
          bytes</description>
          <range>&amp;gt;= 0</range>
          <details>If no JPEG output is produced for the request,
          this must be 0.

          Otherwise, this describes the real size of the compressed
          JPEG image placed in the output stream.  More specifically,
          if android.jpeg.maxSize = 1000000, and a specific capture
          has android.jpeg.size = 500000, then the output buffer from
          the JPEG stream will be 1000000 bytes, of which the first
          500000 make up the real data.</details>
          <tag id="FUTURE" />
        </entry>
        <clone entry="android.jpeg.thumbnailQuality"
        kind="controls"></clone>
        <clone entry="android.jpeg.thumbnailSize" kind="controls">
        </clone>
      </dynamic>
    </section>
    <section name="lens">
      <controls>
        <entry name="aperture" type="float" visibility="public" hwlevel="full">
          <description>The desired lens aperture size, as a ratio of lens focal length to the
          effective aperture diameter.</description>
          <units>The f-number (f/N)</units>
          <range>android.lens.info.availableApertures</range>
          <details>Setting this value is only supported on the camera devices that have a variable
          aperture lens.

          When this is supported and android.control.aeMode is OFF,
          this can be set along with android.sensor.exposureTime,
          android.sensor.sensitivity, and android.sensor.frameDuration
          to achieve manual exposure control.

          The requested aperture value may take several frames to reach the
          requested value; the camera device will report the current (intermediate)
          aperture size in capture result metadata while the aperture is changing.
          While the aperture is still changing, android.lens.state will be set to MOVING.

          When this is supported and android.control.aeMode is one of
          the ON modes, this will be overridden by the camera device
          auto-exposure algorithm, the overridden values are then provided
          back to the user in the corresponding result.</details>
          <tag id="V1" />
        </entry>
        <entry name="filterDensity" type="float" visibility="public" hwlevel="full">
          <description>
          The desired setting for the lens neutral density filter(s).
          </description>
          <units>Exposure Value (EV)</units>
          <range>android.lens.info.availableFilterDensities</range>
          <details>
          This control will not be supported on most camera devices.

          Lens filters are typically used to lower the amount of light the
          sensor is exposed to (measured in steps of EV). As used here, an EV
          step is the standard logarithmic representation, which are
          non-negative, and inversely proportional to the amount of light
          hitting the sensor.  For example, setting this to 0 would result
          in no reduction of the incoming light, and setting this to 2 would
          mean that the filter is set to reduce incoming light by two stops
          (allowing 1/4 of the prior amount of light to the sensor).

          It may take several frames before the lens filter density changes
          to the requested value. While the filter density is still changing,
          android.lens.state will be set to MOVING.
          </details>
          <tag id="V1" />
        </entry>
        <entry name="focalLength" type="float" visibility="public" hwlevel="legacy">
          <description>
          The desired lens focal length; used for optical zoom.
          </description>
          <units>Millimeters</units>
          <range>android.lens.info.availableFocalLengths</range>
          <details>
          This setting controls the physical focal length of the camera
          device's lens. Changing the focal length changes the field of
          view of the camera device, and is usually used for optical zoom.

          Like android.lens.focusDistance and android.lens.aperture, this
          setting won't be applied instantaneously, and it may take several
          frames before the lens can change to the requested focal length.
          While the focal length is still changing, android.lens.state will
          be set to MOVING.

          Optical zoom via this control will not be supported on most devices. Starting from API
          level 30, the camera device may combine optical and digital zoom through the
          android.control.zoomRatio control.
          </details>
          <hal_details>
          For a logical camera device supporting both optical and digital zoom, if focalLength and
          cropRegion change in the same request, the camera device must make sure that the new
          focalLength and cropRegion take effect in the same frame. This is to make sure that there
          is no visible field-of-view jump during zoom. For example, if cropRegion is applied
          immediately, but focalLength takes more than 1 frame to take effect, the camera device
          will delay the cropRegion so that it's synchronized with focalLength.

          Starting from API level 30, it's strongly recommended for HAL to implement the
          combination of optical and digital zoom using the new android.control.zoomRatio API, in
          lieu of using android.lens.focalLength and android.scaler.cropRegion.
          </hal_details>
          <tag id="V1" />
        </entry>
        <entry name="focusDistance" type="float" visibility="public" hwlevel="full">
          <description>Desired distance to plane of sharpest focus,
          measured from frontmost surface of the lens.</description>
          <units>See android.lens.info.focusDistanceCalibration for details</units>
          <range>&amp;gt;= 0</range>
          <details>
          This control can be used for setting manual focus, on devices that support
          the MANUAL_SENSOR capability and have a variable-focus lens (see
          android.lens.info.minimumFocusDistance).

          A value of `0.0f` means infinity focus. The value set will be clamped to
          `[0.0f, android.lens.info.minimumFocusDistance]`.

          Like android.lens.focalLength, this setting won't be applied
          instantaneously, and it may take several frames before the lens
          can move to the requested focus distance. While the lens is still moving,
          android.lens.state will be set to MOVING.

          LEGACY devices support at most setting this to `0.0f`
          for infinity focus.
          </details>
          <tag id="BC" />
          <tag id="V1" />
        </entry>
        <entry name="opticalStabilizationMode" type="byte" visibility="public"
        enum="true" hwlevel="limited">
          <enum>
            <value>OFF
              <notes>Optical stabilization is unavailable.</notes>
            </value>
            <value optional="true">ON
              <notes>Optical stabilization is enabled.</notes>
            </value>
          </enum>
          <description>
          Sets whether the camera device uses optical image stabilization (OIS)
          when capturing images.
          </description>
          <range>android.lens.info.availableOpticalStabilization</range>
          <details>
          OIS is used to compensate for motion blur due to small
          movements of the camera during capture. Unlike digital image
          stabilization (android.control.videoStabilizationMode), OIS
          makes use of mechanical elements to stabilize the camera
          sensor, and thus allows for longer exposure times before
          camera shake becomes apparent.

          Switching between different optical stabilization modes may take several
          frames to initialize, the camera device will report the current mode in
          capture result metadata. For example, When "ON" mode is requested, the
          optical stabilization modes in the first several capture results may still
          be "OFF", and it will become "ON" when the initialization is done.

          If a camera device supports both OIS and digital image stabilization
          (android.control.videoStabilizationMode), turning both modes on may produce undesirable
          interaction, so it is recommended not to enable both at the same time.

          Not all devices will support OIS; see
          android.lens.info.availableOpticalStabilization for
          available controls.
          </details>
          <tag id="V1" />
        </entry>
      </controls>
      <static>
        <namespace name="info">
          <entry name="availableApertures" type="float" visibility="public"
          container="array" hwlevel="full">
            <array>
              <size>n</size>
            </array>
            <description>List of aperture size values for android.lens.aperture that are
            supported by this camera device.</description>
            <units>The aperture f-number</units>
            <details>If the camera device doesn't support a variable lens aperture,
            this list will contain only one value, which is the fixed aperture size.

            If the camera device supports a variable aperture, the aperture values
            in this list will be sorted in ascending order.</details>
            <tag id="V1" />
          </entry>
          <entry name="availableFilterDensities" type="float" visibility="public"
          container="array" hwlevel="full">
            <array>
              <size>n</size>
            </array>
            <description>
            List of neutral density filter values for
            android.lens.filterDensity that are supported by this camera device.
            </description>
            <units>Exposure value (EV)</units>
            <range>
            Values are &amp;gt;= 0
            </range>
            <details>
            If a neutral density filter is not supported by this camera device,
            this list will contain only 0. Otherwise, this list will include every
            filter density supported by the camera device, in ascending order.
            </details>
            <tag id="V1" />
          </entry>
          <entry name="availableFocalLengths" type="float" visibility="public"
          type_notes="The list of available focal lengths"
          container="array" hwlevel="legacy">
            <array>
              <size>n</size>
            </array>
            <description>
            List of focal lengths for android.lens.focalLength that are supported by this camera
            device.
            </description>
            <units>Millimeters</units>
            <range>
            Values are &amp;gt; 0
            </range>
            <details>
            If optical zoom is not supported, this list will only contain
            a single value corresponding to the fixed focal length of the
            device. Otherwise, this list will include every focal length supported
            by the camera device, in ascending order.
            </details>
            <tag id="BC" />
            <tag id="V1" />
          </entry>
          <entry name="availableOpticalStabilization" type="byte"
          visibility="public" type_notes="list of enums" container="array"
          typedef="enumList" hwlevel="limited">
            <array>
              <size>n</size>
            </array>
            <description>
            List of optical image stabilization (OIS) modes for
            android.lens.opticalStabilizationMode that are supported by this camera device.
            </description>
            <range>Any value listed in android.lens.opticalStabilizationMode</range>
            <details>
            If OIS is not supported by a given camera device, this list will
            contain only OFF.
            </details>
            <tag id="V1" />
          </entry>
          <entry name="hyperfocalDistance" type="float" visibility="public" optional="true"
                 hwlevel="limited" permission_needed="true">
            <description>Hyperfocal distance for this lens.</description>
            <units>See android.lens.info.focusDistanceCalibration for details</units>
            <range>If lens is fixed focus, &amp;gt;= 0. If lens has focuser unit, the value is
            within `(0.0f, android.lens.info.minimumFocusDistance]`</range>
            <details>
            If the lens is not fixed focus, the camera device will report this
            field when android.lens.info.focusDistanceCalibration is APPROXIMATE or CALIBRATED.
            </details>
          </entry>
          <entry name="minimumFocusDistance" type="float" visibility="public" optional="true"
                 hwlevel="limited" permission_needed="true">
            <description>Shortest distance from frontmost surface
            of the lens that can be brought into sharp focus.</description>
            <units>See android.lens.info.focusDistanceCalibration for details</units>
            <range>&amp;gt;= 0</range>
            <details>If the lens is fixed-focus, this will be
            0.</details>
            <hal_details>Mandatory for FULL devices; LIMITED devices
            must always set this value to 0 for fixed-focus; and may omit
            the minimum focus distance otherwise.

            This field is also mandatory for all devices advertising
            the MANUAL_SENSOR capability.</hal_details>
            <tag id="V1" />
          </entry>
          <entry name="shadingMapSize" type="int32" visibility="ndk_public"
                 type_notes="width and height (N, M) of lens shading map provided by the camera device."
                 container="array" typedef="size" hwlevel="full">
            <array>
              <size>2</size>
            </array>
            <description>Dimensions of lens shading map.</description>
            <range>Both values &amp;gt;= 1</range>
            <details>
            The map should be on the order of 30-40 rows and columns, and
            must be smaller than 64x64.
            </details>
            <tag id="V1" />
          </entry>
          <entry name="focusDistanceCalibration" type="byte" visibility="public"
                 enum="true" hwlevel="limited">
            <enum>
              <value>UNCALIBRATED
                <notes>
                The lens focus distance is not accurate, and the units used for
                android.lens.focusDistance do not correspond to any physical units.

                Setting the lens to the same focus distance on separate occasions may
                result in a different real focus distance, depending on factors such
                as the orientation of the device, the age of the focusing mechanism,
                and the device temperature. The focus distance value will still be
                in the range of `[0, android.lens.info.minimumFocusDistance]`, where 0
                represents the farthest focus.
                </notes>
              </value>
              <value>APPROXIMATE
                <notes>
                The lens focus distance is measured in diopters.

                However, setting the lens to the same focus distance
                on separate occasions may result in a different real
                focus distance, depending on factors such as the
                orientation of the device, the age of the focusing
                mechanism, and the device temperature.
                </notes>
              </value>
              <value>CALIBRATED
                <notes>
                The lens focus distance is measured in diopters, and
                is calibrated.

                The lens mechanism is calibrated so that setting the
                same focus distance is repeatable on multiple
                occasions with good accuracy, and the focus distance
                corresponds to the real physical distance to the plane
                of best focus.
                </notes>
              </value>
            </enum>
            <description>The lens focus distance calibration quality.</description>
            <details>
            The lens focus distance calibration quality determines the reliability of
            focus related metadata entries, i.e. android.lens.focusDistance,
            android.lens.focusRange, android.lens.info.hyperfocalDistance, and
            android.lens.info.minimumFocusDistance.

            APPROXIMATE and CALIBRATED devices report the focus metadata in
            units of diopters (1/meter), so `0.0f` represents focusing at infinity,
            and increasing positive numbers represent focusing closer and closer
            to the camera device. The focus distance control also uses diopters
            on these devices.

            UNCALIBRATED devices do not use units that are directly comparable
            to any real physical measurement, but `0.0f` still represents farthest
            focus, and android.lens.info.minimumFocusDistance represents the
            nearest focus the device can achieve.
            </details>
            <hal_details>
            For devices advertise APPROXIMATE quality or higher, diopters 0 (infinity
            focus) must work. When autofocus is disabled (android.control.afMode == OFF)
            and the lens focus distance is set to 0 diopters
            (android.lens.focusDistance == 0), the lens will move to focus at infinity
            and is stably focused at infinity even if the device tilts. It may take the
            lens some time to move; during the move the lens state should be MOVING and
            the output diopter value should be changing toward 0.
            </hal_details>
          <tag id="V1" />
        </entry>
        </namespace>
        <entry name="facing" type="byte" visibility="public" enum="true" hwlevel="legacy">
          <enum>
            <value>FRONT
            <notes>
              The camera device faces the same direction as the device's screen.
            </notes></value>
            <value>BACK
            <notes>
              The camera device faces the opposite direction as the device's screen.
            </notes></value>
            <value>EXTERNAL
            <notes>
              The camera device is an external camera, and has no fixed facing relative to the
              device's screen.
            </notes></value>
          </enum>
          <description>Direction the camera faces relative to
          device screen.</description>
        </entry>
        <entry name="poseRotation" type="float" visibility="public"
               container="array" permission_needed="true">
          <array>
            <size>4</size>
          </array>
          <description>
            The orientation of the camera relative to the sensor
            coordinate system.
          </description>
          <units>
            Quaternion coefficients
          </units>
          <details>
            The four coefficients that describe the quaternion
            rotation from the Android sensor coordinate system to a
            camera-aligned coordinate system where the X-axis is
            aligned with the long side of the image sensor, the Y-axis
            is aligned with the short side of the image sensor, and
            the Z-axis is aligned with the optical axis of the sensor.

            To convert from the quaternion coefficients `(x,y,z,w)`
            to the axis of rotation `(a_x, a_y, a_z)` and rotation
            amount `theta`, the following formulas can be used:

                 theta = 2 * acos(w)
                a_x = x / sin(theta/2)
                a_y = y / sin(theta/2)
                a_z = z / sin(theta/2)

            To create a 3x3 rotation matrix that applies the rotation
            defined by this quaternion, the following matrix can be
            used:

                R = [ 1 - 2y^2 - 2z^2,       2xy - 2zw,       2xz + 2yw,
                           2xy + 2zw, 1 - 2x^2 - 2z^2,       2yz - 2xw,
                           2xz - 2yw,       2yz + 2xw, 1 - 2x^2 - 2y^2 ]

             This matrix can then be used to apply the rotation to a
             column vector point with

               `p' = Rp`

             where `p` is in the device sensor coordinate system, and
             `p'` is in the camera-oriented coordinate system.

             If android.lens.poseReference is UNDEFINED, the quaternion rotation cannot
             be accurately represented by the camera device, and will be represented by
             default values matching its default facing.
          </details>
          <tag id="DEPTH" />
        </entry>
        <entry name="poseTranslation" type="float" visibility="public"
               container="array" permission_needed="true">
          <array>
            <size>3</size>
          </array>
          <description>Position of the camera optical center.</description>
          <units>Meters</units>
          <details>
            The position of the camera device's lens optical center,
            as a three-dimensional vector `(x,y,z)`.

            Prior to Android P, or when android.lens.poseReference is PRIMARY_CAMERA, this position
            is relative to the optical center of the largest camera device facing in the same
            direction as this camera, in the {@link android.hardware.SensorEvent Android sensor
            coordinate axes}. Note that only the axis definitions are shared with the sensor
            coordinate system, but not the origin.

            If this device is the largest or only camera device with a given facing, then this
            position will be `(0, 0, 0)`; a camera device with a lens optical center located 3 cm
            from the main sensor along the +X axis (to the right from the user's perspective) will
            report `(0.03, 0, 0)`.  Note that this means that, for many computer vision
            applications, the position needs to be negated to convert it to a translation from the
            camera to the origin.

            To transform a pixel coordinates between two cameras facing the same direction, first
            the source camera android.lens.distortion must be corrected for.  Then the source
            camera android.lens.intrinsicCalibration needs to be applied, followed by the
            android.lens.poseRotation of the source camera, the translation of the source camera
            relative to the destination camera, the android.lens.poseRotation of the destination
            camera, and finally the inverse of android.lens.intrinsicCalibration of the destination
            camera. This obtains a radial-distortion-free coordinate in the destination camera pixel
            coordinates.

            To compare this against a real image from the destination camera, the destination camera
            image then needs to be corrected for radial distortion before comparison or sampling.

            When android.lens.poseReference is GYROSCOPE, then this position is relative to
            the center of the primary gyroscope on the device. The axis definitions are the same as
            with PRIMARY_CAMERA.

            When android.lens.poseReference is UNDEFINED, this position cannot be accurately
            represented by the camera device, and will be represented as `(0, 0, 0)`.
          </details>
          <tag id="DEPTH" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.lens.aperture" kind="controls">
          <tag id="V1" />
        </clone>
        <clone entry="android.lens.filterDensity" kind="controls">
          <tag id="V1" />
        </clone>
        <clone entry="android.lens.focalLength" kind="controls">
          <tag id="BC" />
        </clone>
        <clone entry="android.lens.focusDistance" kind="controls">
          <details>Should be zero for fixed-focus cameras</details>
          <tag id="BC" />
        </clone>
        <entry name="focusRange" type="float" visibility="public"
        type_notes="Range of scene distances that are in focus"
        container="array" typedef="pairFloatFloat" hwlevel="limited">
          <array>
            <size>2</size>
          </array>
          <description>The range of scene distances that are in
          sharp focus (depth of field).</description>
          <units>A pair of focus distances in diopters: (near,
          far); see android.lens.info.focusDistanceCalibration for details.</units>
          <range>&amp;gt;=0</range>
          <details>If variable focus not supported, can still report
          fixed depth of field range</details>
          <tag id="BC" />
        </entry>
        <clone entry="android.lens.opticalStabilizationMode"
        kind="controls">
          <tag id="V1" />
        </clone>
        <entry name="state" type="byte" visibility="public" enum="true" hwlevel="limited">
          <enum>
            <value>STATIONARY
              <notes>
              The lens parameters (android.lens.focalLength, android.lens.focusDistance,
              android.lens.filterDensity and android.lens.aperture) are not changing.
              </notes>
            </value>
            <value>MOVING
              <notes>
              One or several of the lens parameters
              (android.lens.focalLength, android.lens.focusDistance,
              android.lens.filterDensity or android.lens.aperture) is
              currently changing.
              </notes>
            </value>
          </enum>
          <description>Current lens status.</description>
          <details>
          For lens parameters android.lens.focalLength, android.lens.focusDistance,
          android.lens.filterDensity and android.lens.aperture, when changes are requested,
          they may take several frames to reach the requested values. This state indicates
          the current status of the lens parameters.

          When the state is STATIONARY, the lens parameters are not changing. This could be
          either because the parameters are all fixed, or because the lens has had enough
          time to reach the most recently-requested values.
          If all these lens parameters are not changable for a camera device, as listed below:

          * Fixed focus (`android.lens.info.minimumFocusDistance == 0`), which means
          android.lens.focusDistance parameter will always be 0.
          * Fixed focal length (android.lens.info.availableFocalLengths contains single value),
          which means the optical zoom is not supported.
          * No ND filter (android.lens.info.availableFilterDensities contains only 0).
          * Fixed aperture (android.lens.info.availableApertures contains single value).

          Then this state will always be STATIONARY.

          When the state is MOVING, it indicates that at least one of the lens parameters
          is changing.
          </details>
          <tag id="V1" />
        </entry>
        <clone entry="android.lens.poseRotation" kind="static">
        </clone>
        <clone entry="android.lens.poseTranslation" kind="static">
        </clone>
      </dynamic>
      <static>
        <entry name="intrinsicCalibration" type="float" visibility="public"
               container="array" permission_needed="true">
          <array>
            <size>5</size>
          </array>
          <description>
            The parameters for this camera device's intrinsic
            calibration.
          </description>
          <units>
            Pixels in the
            android.sensor.info.preCorrectionActiveArraySize
            coordinate system.
          </units>
          <details>
            The five calibration parameters that describe the
            transform from camera-centric 3D coordinates to sensor
            pixel coordinates:

                [f_x, f_y, c_x, c_y, s]

            Where `f_x` and `f_y` are the horizontal and vertical
            focal lengths, `[c_x, c_y]` is the position of the optical
            axis, and `s` is a skew parameter for the sensor plane not
            being aligned with the lens plane.

            These are typically used within a transformation matrix K:

                K = [ f_x,   s, c_x,
                       0, f_y, c_y,
                       0    0,   1 ]

            which can then be combined with the camera pose rotation
            `R` and translation `t` (android.lens.poseRotation and
            android.lens.poseTranslation, respectively) to calculate the
            complete transform from world coordinates to pixel
            coordinates:

                P = [ K 0   * [ R -Rt
                     0 1 ]      0 1 ]

            (Note the negation of poseTranslation when mapping from camera
            to world coordinates, and multiplication by the rotation).

            With `p_w` being a point in the world coordinate system
            and `p_s` being a point in the camera active pixel array
            coordinate system, and with the mapping including the
            homogeneous division by z:

                 p_h = (x_h, y_h, z_h) = P p_w
                p_s = p_h / z_h

            so `[x_s, y_s]` is the pixel coordinates of the world
            point, `z_s = 1`, and `w_s` is a measurement of disparity
            (depth) in pixel coordinates.

            Note that the coordinate system for this transform is the
            android.sensor.info.preCorrectionActiveArraySize system,
            where `(0,0)` is the top-left of the
            preCorrectionActiveArraySize rectangle. Once the pose and
            intrinsic calibration transforms have been applied to a
            world point, then the android.lens.distortion
            transform needs to be applied, and the result adjusted to
            be in the android.sensor.info.activeArraySize coordinate
            system (where `(0, 0)` is the top-left of the
            activeArraySize rectangle), to determine the final pixel
            coordinate of the world point for processed (non-RAW)
            output buffers.

            For camera devices, the center of pixel `(x,y)` is located at
            coordinate `(x + 0.5, y + 0.5)`.  So on a device with a
            precorrection active array of size `(10,10)`, the valid pixel
            indices go from `(0,0)-(9,9)`, and an perfectly-built camera would
            have an optical center at the exact center of the pixel grid, at
            coordinates `(5.0, 5.0)`, which is the top-left corner of pixel
            `(5,5)`.
          </details>
          <tag id="DEPTH" />
        </entry>
        <entry name="radialDistortion" type="float" visibility="public"
               deprecated="true" container="array" permission_needed="true">
          <array>
            <size>6</size>
          </array>
          <description>
            The correction coefficients to correct for this camera device's
            radial and tangential lens distortion.
          </description>
          <deprecation_description>
            This field was inconsistently defined in terms of its
            normalization. Use android.lens.distortion instead.
          </deprecation_description>
          <units>
            Unitless coefficients.
          </units>
          <details>
            Four radial distortion coefficients `[kappa_0, kappa_1, kappa_2,
            kappa_3]` and two tangential distortion coefficients
            `[kappa_4, kappa_5]` that can be used to correct the
            lens's geometric distortion with the mapping equations:

                 x_c = x_i * ( kappa_0 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) +
                       kappa_4 * (2 * x_i * y_i) + kappa_5 * ( r^2 + 2 * x_i^2 )
                 y_c = y_i * ( kappa_0 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) +
                       kappa_5 * (2 * x_i * y_i) + kappa_4 * ( r^2 + 2 * y_i^2 )

            Here, `[x_c, y_c]` are the coordinates to sample in the
            input image that correspond to the pixel values in the
            corrected image at the coordinate `[x_i, y_i]`:

                 correctedImage(x_i, y_i) = sample_at(x_c, y_c, inputImage)

            The pixel coordinates are defined in a normalized
            coordinate system related to the
            android.lens.intrinsicCalibration calibration fields.
            Both `[x_i, y_i]` and `[x_c, y_c]` have `(0,0)` at the
            lens optical center `[c_x, c_y]`. The maximum magnitudes
            of both x and y coordinates are normalized to be 1 at the
            edge further from the optical center, so the range
            for both dimensions is `-1 &lt;= x &lt;= 1`.

            Finally, `r` represents the radial distance from the
            optical center, `r^2 = x_i^2 + y_i^2`, and its magnitude
            is therefore no larger than `|r| &lt;= sqrt(2)`.

            The distortion model used is the Brown-Conrady model.
          </details>
          <tag id="DEPTH" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.lens.intrinsicCalibration" kind="static">
        </clone>
        <clone entry="android.lens.radialDistortion" kind="static">
        </clone>
      </dynamic>
      <static>
        <entry name="poseReference" type="byte" visibility="public" enum="true"
            permission_needed="true" hal_version="3.3" >
          <enum>
            <value>PRIMARY_CAMERA
            <notes>The value of android.lens.poseTranslation is relative to the optical center of
            the largest camera device facing the same direction as this camera.

            This is the default value for API levels before Android P.
            </notes>
            </value>
            <value>GYROSCOPE
            <notes>The value of android.lens.poseTranslation is relative to the position of the
            primary gyroscope of this Android device.
            </notes>
            </value>
            <value hal_version="3.5">UNDEFINED
            <notes>The camera device cannot represent the values of android.lens.poseTranslation
            and android.lens.poseRotation accurately enough. One such example is a camera device
            on the cover of a foldable phone: in order to measure the pose translation and rotation,
            some kind of hinge position sensor would be needed.

            The value of android.lens.poseTranslation must be all zeros, and
            android.lens.poseRotation must be values matching its default facing.
            </notes>
            </value>
          </enum>
          <description>
            The origin for android.lens.poseTranslation, and the accuracy of
            android.lens.poseTranslation and android.lens.poseRotation.
          </description>
          <details>
            Different calibration methods and use cases can produce better or worse results
            depending on the selected coordinate origin.
          </details>
        </entry>
        <entry name="distortion" type="float" visibility="public" container="array"
               permission_needed="true" hal_version="3.3" >
          <array>
            <size>5</size>
          </array>
          <description>
            The correction coefficients to correct for this camera device's
            radial and tangential lens distortion.

            Replaces the deprecated android.lens.radialDistortion field, which was
            inconsistently defined.
          </description>
          <units>
            Unitless coefficients.
          </units>
          <details>
            Three radial distortion coefficients `[kappa_1, kappa_2,
            kappa_3]` and two tangential distortion coefficients
            `[kappa_4, kappa_5]` that can be used to correct the
            lens's geometric distortion with the mapping equations:

                 x_c = x_i * ( 1 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) +
                       kappa_4 * (2 * x_i * y_i) + kappa_5 * ( r^2 + 2 * x_i^2 )
                 y_c = y_i * ( 1 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) +
                       kappa_5 * (2 * x_i * y_i) + kappa_4 * ( r^2 + 2 * y_i^2 )

            Here, `[x_c, y_c]` are the coordinates to sample in the
            input image that correspond to the pixel values in the
            corrected image at the coordinate `[x_i, y_i]`:

                 correctedImage(x_i, y_i) = sample_at(x_c, y_c, inputImage)

            The pixel coordinates are defined in a coordinate system
            related to the android.lens.intrinsicCalibration
            calibration fields; see that entry for details of the mapping stages.
            Both `[x_i, y_i]` and `[x_c, y_c]`
            have `(0,0)` at the lens optical center `[c_x, c_y]`, and
            the range of the coordinates depends on the focal length
            terms of the intrinsic calibration.

            Finally, `r` represents the radial distance from the
            optical center, `r^2 = x_i^2 + y_i^2`.

            The distortion model used is the Brown-Conrady model.
          </details>
          <tag id="DEPTH" />
        </entry>
        <entry name="distortionMaximumResolution" type="float" visibility="public" container="array"
               permission_needed="true" hal_version="3.6" >
          <array>
            <size>5</size>
          </array>
          <description>
            The correction coefficients to correct for this camera device's
            radial and tangential lens distortion for a
            CaptureRequest with android.sensor.pixelMode set to
            {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </description>
          <units>
            Unitless coefficients.
          </units>
          <details>
            Analogous to android.lens.distortion, when android.sensor.pixelMode is set to
            {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </details>
          <tag id="DEPTH" />
        </entry>
        <entry name="intrinsicCalibrationMaximumResolution" type="float" visibility="public"
               container="array" permission_needed="true" hal_version="3.6">
          <array>
            <size>5</size>
          </array>
          <description>
            The parameters for this camera device's intrinsic
            calibration when android.sensor.pixelMode is set to
            {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </description>
          <units>
            Pixels in the
            android.sensor.info.preCorrectionActiveArraySizeMaximumResolution
            coordinate system.
          </units>
          <details>
            Analogous to android.lens.intrinsicCalibration, when android.sensor.pixelMode is set to
            {@link android.hardware.camera2.CameraMetadata#SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION}.
          </details>
          <tag id="DEPTH" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.lens.distortion" kind="static">
        </clone>
      </dynamic>
    </section>
    <section name="noiseReduction">
      <controls>
        <entry name="mode" type="byte" visibility="public" enum="true" hwlevel="full">
          <enum>
            <value>OFF
            <notes>No noise reduction is applied.</notes></value>
            <value>FAST
            <notes>Noise reduction is applied without reducing frame rate relative to sensor
            output. It may be the same as OFF if noise reduction will reduce frame rate
            relative to sensor.</notes></value>
            <value>HIGH_QUALITY
            <notes>High-quality noise reduction is applied, at the cost of possibly reduced frame
            rate relative to sensor output.</notes></value>
            <value optional="true">MINIMAL
            <notes>MINIMAL noise reduction is applied without reducing frame rate relative to
            sensor output. </notes></value>
            <value optional="true">ZERO_SHUTTER_LAG

            <notes>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|ACameraDevice_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).

            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
            produced via reprocessing when a user takes a picture.  For such a use case, the
            high-resolution buffers must not have noise reduction applied to maximize efficiency of
            preview and to avoid over-applying noise filtering when reprocessing, while
            low-resolution buffers (used for recording or preview, generally) need noise reduction
            applied for reasonable preview quality.

            This mode is guaranteed to be supported by devices that support either the
            YUV_REPROCESSING or PRIVATE_REPROCESSING capabilities
            (android.request.availableCapabilities lists either of those capabilities) and it will
            be the default mode for CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.
            </notes></value>
          </enum>
          <description>Mode of operation for the noise reduction algorithm.</description>
          <range>android.noiseReduction.availableNoiseReductionModes</range>
          <details>The noise reduction algorithm attempts to improve image quality by removing
          excessive noise added by the capture process, especially in dark conditions.

          OFF means no noise reduction will be applied by the camera device, for both raw and
          YUV domain.

          MINIMAL means that only sensor raw domain basic noise reduction is enabled ,to remove
          demosaicing or other processing artifacts. For YUV_REPROCESSING, MINIMAL is same as OFF.
          This mode is optional, may not be support by all devices. The application should check
          android.noiseReduction.availableNoiseReductionModes before using it.

          FAST/HIGH_QUALITY both mean camera device determined noise filtering
          will be applied. HIGH_QUALITY mode indicates that the camera device
          will use the highest-quality noise filtering algorithms,
          even if it slows down capture rate. FAST means the camera device will not
          slow down capture rate when applying noise filtering. FAST may be the same as MINIMAL if
          MINIMAL is listed, or the same as OFF if any noise filtering will slow down capture rate.
          Every output stream will have a similar amount of enhancement applied.

          ZERO_SHUTTER_LAG is meant to be used by applications that maintain a continuous circular
          buffer of high-resolution images during preview and reprocess image(s) from that buffer
          into a final capture when triggered by the user. In this mode, the camera device applies
          noise reduction to low-resolution streams (below maximum recording resolution) to maximize
          preview quality, but does not apply noise reduction to high-resolution streams, since
          those will be reprocessed later if necessary.

          For YUV_REPROCESSING, these FAST/HIGH_QUALITY modes both mean that the camera device
          will apply FAST/HIGH_QUALITY YUV domain noise reduction, respectively. The camera device
          may adjust the noise reduction parameters for best image quality based on the
          android.reprocess.effectiveExposureFactor if it is set.
          </details>
          <hal_details>
          For YUV_REPROCESSING The HAL can use android.reprocess.effectiveExposureFactor to
          adjust the internal noise reduction parameters appropriately to get the best quality
          images.
          </hal_details>
          <tag id="V1" />
          <tag id="REPROC" />
        </entry>
        <entry name="strength" type="byte">
          <description>Control the amount of noise reduction
          applied to the images</description>
          <units>1-10; 10 is max noise reduction</units>
          <range>1 - 10</range>
          <tag id="FUTURE" />
        </entry>
      </controls>
      <static>
        <entry name="availableNoiseReductionModes" type="byte" visibility="public"
        type_notes="list of enums" container="array" typedef="enumList" hwlevel="limited">
          <array>
            <size>n</size>
          </array>
          <description>
          List of noise reduction modes for android.noiseReduction.mode that are supported
          by this camera device.
          </description>
          <range>Any value listed in android.noiseReduction.mode</range>
          <details>
          Full-capability camera devices will always support OFF and FAST.

          Camera devices that support YUV_REPROCESSING or PRIVATE_REPROCESSING will support
          ZERO_SHUTTER_LAG.

          Legacy-capability camera devices will only support FAST mode.
          </details>
          <hal_details>
          HAL must support both FAST and HIGH_QUALITY if noise reduction control is available
          on the camera device, but the underlying implementation can be the same for both modes.
          That is, if the highest quality implementation on the camera device does not slow down
          capture rate, then FAST and HIGH_QUALITY will generate the same output.
          </hal_details>
          <tag id="V1" />
          <tag id="REPROC" />
        </entry>
      </static>
      <dynamic>
        <clone entry="android.noiseReduction.mode" kind="controls">
          <tag id="V1" />
          <tag id="REPROC" />
        </clone>
      </dynamic>
    </section>
    <section name="quirks">
      <static>
        <entry name="meteringCropRegion" type="byte" visibility="system" deprecated="true" optional="true">
          <description>If set to 1, the camera service does not
          scale 'normalized' coordinates with respect to the crop
          region. This applies to metering input (a{e,f,wb}Region
          and output (face rectangles).</description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <details>Normalized coordinates refer to those in the
          (-1000,1000) range mentioned in the
          android.hardware.Camera API.

          HAL implementations should instead always use and emit
          sensor array-relative coordinates for all region data. Does
          not need to be listed in static metadata. Support will be
          removed in future versions of camera service.</details>
        </entry>
        <entry name="triggerAfWithAuto" type="byte" visibility="system" deprecated="true" optional="true">
          <description>If set to 1, then the camera service always
          switches to FOCUS_MODE_AUTO before issuing a AF
          trigger.</description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <details>HAL implementations should implement AF trigger
          modes for AUTO, MACRO, CONTINUOUS_FOCUS, and
          CONTINUOUS_PICTURE modes instead of using this flag. Does
          not need to be listed in static metadata. Support will be
          removed in future versions of camera service</details>
        </entry>
        <entry name="useZslFormat" type="byte" visibility="system" deprecated="true" optional="true">
          <description>If set to 1, the camera service uses
          CAMERA2_PIXEL_FORMAT_ZSL instead of
          HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED for the zero
          shutter lag stream</description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <details>HAL implementations should use gralloc usage flags
          to determine that a stream will be used for
          zero-shutter-lag, instead of relying on an explicit
          format setting. Does not need to be listed in static
          metadata. Support will be removed in future versions of
          camera service.</details>
        </entry>
        <entry name="usePartialResult" type="byte" visibility="hidden" deprecated="true" optional="true">
          <description>
          If set to 1, the HAL will always split result
          metadata for a single capture into multiple buffers,
          returned using multiple process_capture_result calls.
          </description>
          <deprecation_description>
          Not used in HALv3 or newer; replaced by better partials mechanism
          </deprecation_description>
          <details>
          Does not need to be listed in static
          metadata. Support for partial results will be reworked in
          future versions of camera service. This quirk will stop
          working at that point; DO NOT USE without careful
          consideration of future support.
          </details>
          <hal_details>
          Refer to `camera3_capture_result::partial_result`
          for information on how to implement partial results.
          </hal_details>
        </entry>
      </static>
      <dynamic>
        <entry name="partialResult" type="byte" visibility="hidden" deprecated="true" optional="true" enum="true" typedef="boolean">
          <enum>
            <value>FINAL
            <notes>The last or only metadata result buffer
            for this capture.</notes>
            </value>
            <value>PARTIAL
            <notes>A partial buffer of result metadata for this
            capture. More result buffers for this capture will be sent
            by the camera device, the last of which will be marked
            FINAL.</notes>
            </value>
          </enum>
          <description>
          Whether a result given to the framework is the
          final one for the capture, or only a partial that contains a
          subset of the full set of dynamic metadata
          values.</description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <range>Optional. Default value is FINAL.</range>
          <details>
          The entries in the result metadata buffers for a
          single capture may not overlap, except for this entry. The
          FINAL buffers must retain FIFO ordering relative to the
          requests that generate them, so the FINAL buffer for frame 3 must
          always be sent to the framework after the FINAL buffer for frame 2, and
          before the FINAL buffer for frame 4. PARTIAL buffers may be returned
          in any order relative to other frames, but all PARTIAL buffers for a given
          capture must arrive before the FINAL buffer for that capture. This entry may
          only be used by the camera device if quirks.usePartialResult is set to 1.
          </details>
          <hal_details>
          Refer to `camera3_capture_result::partial_result`
          for information on how to implement partial results.
          </hal_details>
        </entry>
      </dynamic>
    </section>
    <section name="request">
      <controls>
        <entry name="frameCount" type="int32" visibility="system" deprecated="true">
          <description>A frame counter set by the framework. Must
          be maintained unchanged in output frame. This value monotonically
          increases with every new result (that is, each new result has a unique
          frameCount value).
          </description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <units>incrementing integer</units>
          <range>Any int.</range>
        </entry>
        <entry name="id" type="int32" visibility="hidden">
          <description>An application-specified ID for the current
          request. Must be maintained unchanged in output
          frame</description>
          <units>arbitrary integer assigned by application</units>
          <range>Any int</range>
          <tag id="V1" />
        </entry>
        <entry name="inputStreams" type="int32" visibility="system" deprecated="true"
               container="array">
          <array>
            <size>n</size>
          </array>
          <description>List which camera reprocess stream is used
          for the source of reprocessing data.</description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <units>List of camera reprocess stream IDs</units>
          <range>
          Typically, only one entry allowed, must be a valid reprocess stream ID.
          </range>
          <details>Only meaningful when android.request.type ==
          REPROCESS. Ignored otherwise</details>
          <tag id="HAL2" />
        </entry>
        <entry name="metadataMode" type="byte" visibility="system"
               enum="true">
          <enum>
            <value>NONE
            <notes>No metadata should be produced on output, except
            for application-bound buffer data. If no
            application-bound streams exist, no frame should be
            placed in the output frame queue. If such streams
            exist, a frame should be placed on the output queue
            with null metadata but with the necessary output buffer
            information. Timestamp information should still be
            included with any output stream buffers</notes></value>
            <value>FULL
            <notes>All metadata should be produced. Statistics will
            only be produced if they are separately
            enabled</notes></value>
          </enum>
          <description>How much metadata to produce on
          output</description>
          <tag id="FUTURE" />
        </entry>
        <entry name="outputStreams" type="int32" visibility="system" deprecated="true"
               container="array">
          <array>
            <size>n</size>
          </array>
          <description>Lists which camera output streams image data
          from this capture must be sent to</description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <units>List of camera stream IDs</units>
          <range>List must only include streams that have been
          created</range>
          <details>If no output streams are listed, then the image
          data should simply be discarded. The image data must
          still be captured for metadata and statistics production,
          and the lens and flash must operate as requested.</details>
          <tag id="HAL2" />
        </entry>
        <entry name="type" type="byte" visibility="system" deprecated="true" enum="true">
          <enum>
            <value>CAPTURE
            <notes>Capture a new image from the imaging hardware,
            and process it according to the
            settings</notes></value>
            <value>REPROCESS
            <notes>Process previously captured data; the
            android.request.inputStreams parameter determines the
            source reprocessing stream. TODO: Mark dynamic metadata
            needed for reprocessing with [RP]</notes></value>
          </enum>
          <description>The type of the request; either CAPTURE or
          REPROCESS. For legacy HAL3, this tag is redundant.
          </description>
          <deprecation_description>
          Not used in HALv3 or newer
          </deprecation_description>
          <tag id="HAL2" />
        </entry>
      </controls>
      <static>
        <entry name="maxNumOutputStreams" type="int32" visibility="ndk_public"
               container="array" hwlevel="legacy">
          <array>
            <size>3</size>
          </array>
          <description>The maximum numbers of different types of output streams
          that can be configured and used simultaneously by a camera device.
          </description>
          <range>
          For processed (and stalling) format streams, &amp;gt;= 1.

          For Raw format (either stalling or non-stalling) streams, &amp;gt;= 0.

          For processed (but not stalling) format streams, &amp;gt;= 3
          for FULL mode devices (`android.info.supportedHardwareLevel == FULL`);
          &amp;gt;= 2 for LIMITED mode devices (`android.info.supportedHardwareLevel == LIMITED`).
          </range>
          <details>
          This is a 3 element tuple that contains the max number of output simultaneous
          streams for raw sensor, processed (but not stalling), and processed (and stalling)
          formats respectively. For example, assuming that JPEG is typically a processed and
          stalling stream, if max raw sensor format output stream number is 1, max YUV streams
          number is 3, and max JPEG stream number is 2, then this tuple should be `(1, 3, 2)`.

          This lists the upper bound of the number of output streams supported by
          the camera device. Using more streams simultaneously may require more hardware and
          CPU resources that will consume more power. The image format for an output stream can
          be any supported format provided by android.scaler.availableStreamConfigurations.
          The formats defined in android.scaler.availableStreamConfigurations can be catergorized
          into the 3 stream types as below:

          * Processed (but stalling): any non-RAW format with a stallDurations &amp;gt; 0.
            Typically {@link android.graphics.ImageFormat#JPEG|AIMAGE_FORMAT_JPEG JPEG format}.
          * Raw formats: {@link android.graphics.ImageFormat#RAW_SENSOR|AIMAGE_FORMAT_RAW16
            RAW_SENSOR}, {@link android.graphics.ImageFormat#RAW10|AIMAGE_FORMAT_RAW10 RAW10}, or
            {@link android.graphics.ImageFormat#RAW12|AIMAGE_FORMAT_RAW12 RAW12}.
          * Processed (but not-stalling): any non-RAW format without a stall duration.  Typically
            {@link android.graphics.ImageFormat#YUV_420_888|AIMAGE_FORMAT_YUV_420_888 YUV_420_888},
            {@link android.graphics.ImageFormat#NV21 NV21}, {@link
            android.graphics.ImageFormat#YV12 YV12}, or {@link
            android.graphics.ImageFormat#Y8|AIMAGE_FORMAT_Y8 Y8} .
          </details>
          <tag id="BC" />
        </entry>
        <entry