From 758de818db009bf0e21372976cf2ffc172523397 Mon Sep 17 00:00:00 2001
From: yqritc <yqritc@gmail.com>
Date: Thu, 21 Sep 2017 12:01:25 +0900
Subject: [PATCH] fix primarySnapshotAccessAgeMs

---
 .../exoplayer2/source/hls/playlist/HlsPlaylistTracker.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java b/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
index 3d8d4eb3af..63498989c7 100644
--- a/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
+++ b/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
@@ -352,7 +352,7 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
     }
     MediaPlaylistBundle currentPrimaryBundle = playlistBundles.get(primaryHlsUrl);
     long primarySnapshotAccessAgeMs =
-        currentPrimaryBundle.lastSnapshotAccessTimeMs - SystemClock.elapsedRealtime();
+        SystemClock.elapsedRealtime() - currentPrimaryBundle.lastSnapshotAccessTimeMs;
     if (primarySnapshotAccessAgeMs > PRIMARY_URL_KEEPALIVE_MS) {
       primaryHlsUrl = url;
       playlistBundles.get(primaryHlsUrl).loadPlaylist();