From 43d1bfe11abc128a90d76bba6930e0ab7ee4404f Mon Sep 17 00:00:00 2001
From: jaeholee104 <contact@leejaeho.dev>
Date: Sat, 3 Jun 2023 04:47:17 +0900
Subject: [PATCH] Improve track index adjustment logic by adding index
 comparison.

---
 .../exoplayer/trackselection/AdaptiveTrackSelection.java       | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/trackselection/AdaptiveTrackSelection.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/trackselection/AdaptiveTrackSelection.java
index 91173edc35..dd9ccf6e9f 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/trackselection/AdaptiveTrackSelection.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/trackselection/AdaptiveTrackSelection.java
@@ -457,7 +457,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
       previousReason = Iterables.getLast(queue).trackSelectionReason;
     }
     int newSelectedIndex = determineIdealSelectedIndex(nowMs, chunkDurationUs);
-    if (!isTrackExcluded(previousSelectedIndex, nowMs)) {
+    if (newSelectedIndex != previousSelectedIndex
+        && !isTrackExcluded(previousSelectedIndex, nowMs)) {
       // Revert back to the previous selection if conditions are not suitable for switching.
       Format currentFormat = getFormat(previousSelectedIndex);
       Format selectedFormat = getFormat(newSelectedIndex);