From 114f862ea454bf754f49a7c9275ed86ed3a8174a Mon Sep 17 00:00:00 2001
From: Jonas Kvinge <jonas@jkvinge.net>
Date: Mon, 26 Aug 2019 23:50:14 +0200
Subject: [PATCH] TagLib MP4 - setTrack()/setYear() accepts 0 to remove the tag

---
 3rdparty/taglib/mp4/mp4tag.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/3rdparty/taglib/mp4/mp4tag.cpp b/3rdparty/taglib/mp4/mp4tag.cpp
index bd0504cd..ccb0dd4c 100644
--- a/3rdparty/taglib/mp4/mp4tag.cpp
+++ b/3rdparty/taglib/mp4/mp4tag.cpp
@@ -805,13 +805,23 @@ MP4::Tag::setGenre(const String &value)
 void
 MP4::Tag::setYear(unsigned int value)
 {
-  d->items["\251day"] = StringList(String::number(value));
+  if (value == 0) {
+    d->items.erase("\251day");
+  }
+  else {
+    d->items["\251day"] = StringList(String::number(value));
+  }
 }
 
 void
 MP4::Tag::setTrack(unsigned int value)
 {
-  d->items["trkn"] = MP4::Item(value, 0);
+  if (value == 0) {
+    d->items.erase("trkn");
+  }
+  else {
+    d->items["trkn"] = MP4::Item(value, 0);
+  }
 }
 
 bool MP4::Tag::isEmpty() const