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.

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.

• Flash-less cameras always return UNAVAILABLE.
• Using CaptureRequest.ControlAeMode== ON_ALWAYS_FLASH will always return FIRED.
• Using CaptureRequest.FlashMode== TORCH will always return FIRED.

• Fixed focus (CameraCharacteristics.LensInfoMinimumFocusDistance == 0), which means CaptureRequest.LensFocusDistance parameter will always be 0.
• Fixed focal length (CameraCharacteristics.LensInfoAvailableFocalLengths contains single value), which means the optical zoom is not supported.
• No ND filter (CameraCharacteristics.LensInfoAvailableFilterDensities contains only 0).
• Fixed aperture (CameraCharacteristics.LensInfoAvailableApertures contains single value).

• Requested resolutions of output image streams
• Availability of binning / skipping modes on the imager
• The bandwidth of the imager interface
• The bandwidth of the various ISP processing blocks

• The image sensor is always configured to output the smallest resolution possible given the application's requested output stream sizes. The smallest resolution is defined as being at least as large as the largest requested output stream size; the camera pipeline must never digitally upsample sensor data when the crop region covers the whole sensor. In general, this means that if only small output stream resolutions are configured, the sensor can provide a higher frame rate.
• Since any request may use any or all the currently configured output streams, the sensor and ISP must be configured to support scaling a single capture to all the streams at the same time. This means the camera pipeline must be ready to produce the largest requested output size without any delay. Therefore, the overall frame rate of a given configured stream set is governed only by the largest requested stream resolution.
• Using more than one output stream in a request does not affect the frame duration.
• Certain format-streams may need to do additional background processing before data is consumed/produced by that stream. These processors can run concurrently to the rest of the camera pipeline, but cannot process more than 1 capture at a time.

1. Let the set of currently configured input/output streams be called S.
2. Find the minimum frame durations for each stream in S, by looking it up in CameraCharacteristics.ScalerStreamConfigurationMap using StreamConfigurationMap#getOutputMinFrameDuration(int, Size) (with its respective size/format). Let this set of frame durations be called F.
3. For any given request R, the minimum frame duration allowed for R is the maximum out of all values in F. Let the streams used in R be called S_r.

1. A 5x5 pixel (or larger) window W within the active sensor array is chosen. The term 'pixel' here is taken to mean a group of 4 Bayer mosaic channels (R, Gr, Gb, B). The location and size of the window chosen is implementation defined, and should be chosen to provide a green split estimate that is both representative of the entire image for this camera sensor, and can be calculated quickly.
2. The arithmetic mean of the green channels from the red rows (mean_Gr) within W is computed.
3. The arithmetic mean of the green channels from the blue rows (mean_Gb) within W is computed.
4. The maximum ratio R of the two means is computed as follows: R = max((mean_Gr + 1)/(mean_Gb + 1), (mean_Gb + 1)/(mean_Gr + 1))

• R < 1.03 is a negligible split (<3% divergence).
• 1.20 <= R >= 1.03 will require some software correction to avoid demosaic errors (3-20% divergence).
• R > 1.20 will require strong software correction to produce a usuable image (>20% divergence).

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