From 4cd8f00d72bc857cf73621ccdb28d9873d9a2ba1 Mon Sep 17 00:00:00 2001
From: aquilescanta <aquilescanta@google.com>
Date: Mon, 17 Aug 2020 14:28:40 +0100
Subject: [PATCH] Avoid setting a PMT reader if one exists for the same PID

This change should only affect HLS, where we don't remove the
PAT reader after reading a PAT.

Issue: #7756
PiperOrigin-RevId: 327008936
---
 .../google/android/exoplayer2/extractor/ts/TsExtractor.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/TsExtractor.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/TsExtractor.java
index 7c48720c61..2fcfd422a0 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/TsExtractor.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/TsExtractor.java
@@ -484,8 +484,10 @@ public final class TsExtractor implements Extractor {
           patScratch.skipBits(13); // network_PID (13)
         } else {
           int pid = patScratch.readBits(13);
-          tsPayloadReaders.put(pid, new SectionReader(new PmtReader(pid)));
-          remainingPmts++;
+          if (tsPayloadReaders.get(pid) == null) {
+            tsPayloadReaders.put(pid, new SectionReader(new PmtReader(pid)));
+            remainingPmts++;
+          }
         }
       }
       if (mode != MODE_HLS) {