From c650f05234dab674c3c367e767550720b726d49c Mon Sep 17 00:00:00 2001
From: huangdarwin <huangdarwin@google.com>
Date: Mon, 27 Nov 2023 03:22:49 -0800
Subject: [PATCH] Document TimestampWrapper not working with previewing.

Mentioned in https://github.com/androidx/media/issues/821

PiperOrigin-RevId: 585595948
---
 .../src/main/java/androidx/media3/effect/TimestampWrapper.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/effect/src/main/java/androidx/media3/effect/TimestampWrapper.java b/libraries/effect/src/main/java/androidx/media3/effect/TimestampWrapper.java
index b7e6f83631..9029d094cd 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/TimestampWrapper.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/TimestampWrapper.java
@@ -26,6 +26,8 @@ import androidx.media3.common.util.UnstableApi;
 /**
  * Applies a {@link GlEffect} from {@code startTimeUs} to {@code endTimeUs}, and no change on all
  * other timestamps.
+ *
+ * <p>This currently does not work with {@code ExoPlayer#setVideoEffects}.
  */
 @UnstableApi
 public final class TimestampWrapper implements GlEffect {