From bcc2fe40078924a672ffce97f42aaa44e0ad7526 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
---
 .../main/java/androidx/media3/transformer/MuxerWrapper.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/MuxerWrapper.java b/libraries/transformer/src/main/java/androidx/media3/transformer/MuxerWrapper.java
index b96f7f7d53..9f8a854449 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/MuxerWrapper.java
+++ b/libraries/transformer/src/main/java/androidx/media3/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();
+    }
   }
 
   /**