From 9dada03904bdd33a6ae948f9887d4d738821148d Mon Sep 17 00:00:00 2001
From: Simon Inns <simon.inns@gmail.com>
Date: Fri, 7 Feb 2020 06:25:12 +0100
Subject: [PATCH] Fix for issue #454

---
 tools/ld-discmap/discmap.cpp    | 2 ++
 tools/ld-discmap/discmapper.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tools/ld-discmap/discmap.cpp b/tools/ld-discmap/discmap.cpp
index 6f1377f22..1ba3cf132 100644
--- a/tools/ld-discmap/discmap.cpp
+++ b/tools/ld-discmap/discmap.cpp
@@ -588,6 +588,8 @@ qint32 DiscMap::getSecondFieldNumber(qint32 frameNumber) const
 bool DiscMap::saveTargetMetadata(QFileInfo outputFileInfo)
 {
     qint32 notifyInterval = m_numberOfFrames / 50;
+    if (notifyInterval < 1) notifyInterval = 1;
+
     LdDecodeMetaData targetMetadata;
     LdDecodeMetaData::VideoParameters sourceVideoParameters = ldDecodeMetaData->getVideoParameters();
 
diff --git a/tools/ld-discmap/discmapper.cpp b/tools/ld-discmap/discmapper.cpp
index 349d78aba..20ec2388a 100644
--- a/tools/ld-discmap/discmapper.cpp
+++ b/tools/ld-discmap/discmapper.cpp
@@ -569,6 +569,8 @@ bool DiscMapper::saveDiscMap(DiscMap &discMap)
 
     qInfo() << "Saving target video frames...";
     qint32 notifyInterval = discMap.numberOfFrames() / 50;
+    if (notifyInterval < 1) notifyInterval = 1;
+
     for (qint32 frameNumber = 0; frameNumber < discMap.numberOfFrames(); frameNumber++) {
         bool writeFail = false;