From a3de075b3d794450015d379e4a71eaa85e9f449d Mon Sep 17 00:00:00 2001
From: samrobinson <samrobinson@google.com>
Date: Fri, 28 Oct 2022 13:13:05 +0000
Subject: [PATCH] Disable the muxer watchdog if all tracks have ended.

PiperOrigin-RevId: 484512661
(cherry picked from commit 2390322a00a9e71f16dfe28088ae7cd3e462129f)
---
 .../google/android/exoplayer2/transformer/MuxerWrapper.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/transformer/src/main/java/com/google/android/exoplayer2/transformer/MuxerWrapper.java b/library/transformer/src/main/java/com/google/android/exoplayer2/transformer/MuxerWrapper.java
index 01f6283f7a..c6f549a812 100644
--- a/library/transformer/src/main/java/com/google/android/exoplayer2/transformer/MuxerWrapper.java
+++ b/library/transformer/src/main/java/com/google/android/exoplayer2/transformer/MuxerWrapper.java
@@ -195,6 +195,9 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
    */
   public void endTrack(@C.TrackType int trackType) {
     trackTypeToIndex.delete(trackType);
+    if (trackTypeToIndex.size() == 0) {
+      abortScheduledExecutorService.shutdownNow();
+    }
   }
 
   /**