From ccb337f2e14d8e1c0ebeb89e131dcce3207e2948 Mon Sep 17 00:00:00 2001
From: kimvde <kimvde@google.com>
Date: Fri, 3 Jul 2020 11:43:28 +0100
Subject: [PATCH] MP4: set TrackSampleTable to 0 when there are no samples

Because the stbl atom is mandatory, there is no reason for having a
special C.TIME_UNSET value instead of 0.

PiperOrigin-RevId: 319496999
---
 .../google/android/exoplayer2/extractor/mp4/AtomParsers.java | 2 +-
 .../android/exoplayer2/extractor/mp4/TrackSampleTable.java   | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java
index 13ffcc2ff1..a20776595e 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java
@@ -315,7 +315,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
           /* maximumSize= */ 0,
           /* timestampsUs= */ new long[0],
           /* flags= */ new int[0],
-          /* durationUs= */ C.TIME_UNSET);
+          /* durationUs= */ 0);
     }
 
     // Entries are byte offsets of chunks.
diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/TrackSampleTable.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/TrackSampleTable.java
index 59ea386335..ca500b2931 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/TrackSampleTable.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/TrackSampleTable.java
@@ -38,10 +38,7 @@ import com.google.android.exoplayer2.util.Util;
   public final long[] timestampsUs;
   /** Sample flags. */
   public final int[] flags;
-  /**
-   * The duration of the track sample table in microseconds, or {@link C#TIME_UNSET} if the sample
-   * table is empty.
-   */
+  /** The duration of the track sample table in microseconds. */
   public final long durationUs;
 
   public TrackSampleTable(