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Camera: Update timestamp base doc for SurfaceTexture

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Test: Build
Bug: 195025014
Change-Id: Idff78a881fa5575f4ffea85408529a930d3b247a
This commit is contained in:
Shuzhen Wang
2022-04-19 10:24:08 -07:00
parent ddd9dc84b8
commit 96619bc7c5
1 changed files with 4 additions and 3 deletions
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7
core/java/android/hardware/camera2/params/OutputConfiguration.java
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@@ -224,9 +224,10 @@ public final class OutputConfiguration implements Parcelable {
* display subsystem for smoother display of camera frames. An output target of SurfaceView
* uses this time base by default.</p>
*
* <p>The choreographer synchronized timestamps are also reasonable to use when drawing to a
* TextureView. So this timestamp base can be used for a SurfaceTexture as part of a
* TextureView, in addition to SurfaceView.</p>
* <p>This timestamp base isn't applicable to SurfaceTexture targets. SurfaceTexture's
* {@link android.graphics.SurfaceTexture#updateTexImage updateTexImage} function always
* uses the latest image from the camera stream. In the case of a TextureView, the image is
* displayed right away.</p>
*
* <p>Timestamps with this time base cannot directly match the timestamps in
* {@link CameraCaptureSession.CaptureCallback#onCaptureStarted} or the sensor timestamps in