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Merge "camera3: Update whiteLevel tag."

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Ruben Brunk
2014-02-19 19:31:56 +00:00
committed by Android (Google) Code Review
parent 5314b3d593 e60e29554b
commit 844aa61960
1 changed files with 21 additions and 1 deletions
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22
core/java/android/hardware/camera2/CameraCharacteristics.java
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@@ -968,6 +968,23 @@ public final class CameraCharacteristics extends CameraMetadata {
public static final Key<android.hardware.camera2.Size> SENSOR_INFO_PIXEL_ARRAY_SIZE =
new Key<android.hardware.camera2.Size>("android.sensor.info.pixelArraySize", android.hardware.camera2.Size.class);
/**
* <p>Maximum raw value output by sensor.</p>
* <p>This specifies the fully-saturated encoding level for the raw
* sample values from the sensor. This is typically caused by the
* sensor becoming highly non-linear or clipping. The minimum for
* each channel is specified by the offset in the
* {@link CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN android.sensor.blackLevelPattern} tag.</p>
* <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
* 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>
*
* @see CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN
*/
public static final Key<Integer> SENSOR_INFO_WHITE_LEVEL =
new Key<Integer>("android.sensor.info.whiteLevel", int.class);
/**
* <p>Gain factor from electrons to raw units when
* ISO=100</p>
@@ -985,10 +1002,13 @@ public final class CameraCharacteristics extends CameraMetadata {
* <p>A fixed black level offset for each of the color filter arrangement
* (CFA) mosaic channels.</p>
* <p>This tag specifies the zero light value for each of the CFA mosaic
* channels in the camera sensor.</p>
* channels in the camera sensor. The maximal value output by the
* sensor is represented by the value in {@link CameraCharacteristics#SENSOR_INFO_WHITE_LEVEL android.sensor.info.whiteLevel}.</p>
* <p>The values are given in row-column scan order, with the first value
* corresponding to the element of the CFA in row=0, column=0.</p>
* <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
*
* @see CameraCharacteristics#SENSOR_INFO_WHITE_LEVEL
*/
public static final Key<int[]> SENSOR_BLACK_LEVEL_PATTERN =
new Key<int[]>("android.sensor.blackLevelPattern", int[].class);