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Merge "camera3: Update whiteLevel/greenSplit docs."

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Ruben Brunk
2014-03-25 00:12:21 +00:00
committed by Android (Google) Code Review
parent 75c549c537 e89b120eae
commit 0dfdcb1019
2 changed files with 7 additions and 3 deletions
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2
core/java/android/hardware/camera2/CameraCharacteristics.java
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@@ -1007,7 +1007,7 @@ public final class CameraCharacteristics extends CameraMetadata {
* each channel is specified by the offset in the * each channel is specified by the offset in the
* {@link CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN android.sensor.blackLevelPattern} tag.</p> * {@link CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN android.sensor.blackLevelPattern} tag.</p>
* <p>The white level is typically determined either by sensor bit depth * <p>The white level is typically determined either by sensor bit depth
* (10-14 bits is expected), or by the point where the sensor response * (8-14 bits is expected), or by the point where the sensor response
* becomes too non-linear to be useful. The default value for this is * becomes too non-linear to be useful. The default value for this is
* maximum representable value for a 16-bit raw sample (2^16 - 1).</p> * maximum representable value for a 16-bit raw sample (2^16 - 1).</p>
* *

8
core/java/android/hardware/camera2/CaptureResult.java
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@@ -1719,8 +1719,12 @@ public final class CaptureResult extends CameraMetadata {
* filter array.</p> * filter array.</p>
* <p>The green split is calculated as follows:</p> * <p>The green split is calculated as follows:</p>
* <ol> * <ol>
* <li>A representative 5x5 pixel window W within the active * <li>A 5x5 pixel (or larger) window W within the active sensor array is
* sensor array is chosen.</li> * 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.</li>
* <li>The arithmetic mean of the green channels from the red * <li>The arithmetic mean of the green channels from the red
* rows (mean_Gr) within W is computed.</li> * rows (mean_Gr) within W is computed.</li>
* <li>The arithmetic mean of the green channels from the blue * <li>The arithmetic mean of the green channels from the blue