From 96619bc7c579c009101dc46c17a31cb1fc89dcf6 Mon Sep 17 00:00:00 2001
From: Shuzhen Wang <shuzhenwang@google.com>
Date: Tue, 19 Apr 2022 10:24:08 -0700
Subject: [PATCH] Camera: Update timestamp base doc for SurfaceTexture

Test: Build
Bug: 195025014
Change-Id: Idff78a881fa5575f4ffea85408529a930d3b247a
---
 .../hardware/camera2/params/OutputConfiguration.java       | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/core/java/android/hardware/camera2/params/OutputConfiguration.java b/core/java/android/hardware/camera2/params/OutputConfiguration.java
index 39cb7f3ebddb8..bb0caa787e275 100644
--- a/core/java/android/hardware/camera2/params/OutputConfiguration.java
+++ b/core/java/android/hardware/camera2/params/OutputConfiguration.java
@@ -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