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Commit cda2f8b0 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Camera: Update doc to describe tradeoff of DEFAULT timestamp base" into... 

Merge "Camera: Update doc to describe tradeoff of DEFAULT timestamp base" into tm-dev am: b15596cb am: 065c279c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18322257



Change-Id: I6ff627ac95497938f78c42f57463755ecbeb15ac
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 2ca986cd 065c279c

core/java/android/hardware/camera2/params/OutputConfiguration.java

+10 −1
Original line number Diff line number Diff line
@@ -166,7 +166,16 @@ public final class OutputConfiguration implements Parcelable { 
     * {@link #TIMESTAMP_BASE_MONOTONIC}, which is roughly the same time base as

     * {@link android.os.SystemClock#uptimeMillis}.</li>

     * <li> For all other cases, the timestamp base is {@link #TIMESTAMP_BASE_SENSOR}, the same

     * as what's specified by {@link CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE}.</li>

     * as what's specified by {@link CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE}.

     * <ul><li> For a SurfaceTexture output surface, the camera system re-spaces the delivery

     * of output frames based on image readout intervals, reducing viewfinder jitter. The timestamps

     * of images remain to be {@link #TIMESTAMP_BASE_SENSOR}.</li></ul></li>

     *

     * <p>Note that the reduction of frame jitter for SurfaceView and SurfaceTexture comes with

     * slight increase in photon-to-photon latency, which is the time from when photons hit the

     * scene to when the corresponding pixels show up on the screen. If the photon-to-photon latency

     * is more important than the smoothness of viewfinder, {@link #TIMESTAMP_BASE_SENSOR} should be

     * used instead.</p>

     *

     * @see #TIMESTAMP_BASE_CHOREOGRAPHER_SYNCED

     * @see #TIMESTAMP_BASE_MONOTONIC