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Origin: upstream, commit:4857c4117ae2bf0829ede78c3572801f5c4fee73
Author: Leon Vinken <leon.vinken@gmail.com>
Description: fix #287475 - crash on open MusicXML file lacking time signature
--- a/mscore/importmxmlpass1.cpp
+++ b/mscore/importmxmlpass1.cpp
@@ -2054,11 +2054,15 @@ void MusicXMLParserPass1::measure(const
// measure duration fixups
mDura.reduce();
- // fix for PDFtoMusic Pro v1.3.0d Build BF4E (which sometimes generates empty measures)
+ // fix for PDFtoMusic Pro v1.3.0d Build BF4E and PlayScore / ReadScoreLib Version 3.11
+ // which sometimes generate empty measures
// if no valid length found and length according to time signature is known,
// use length according to time signature
if (mDura.isZero() && _timeSigDura.isValid() && _timeSigDura > Fraction(0, 1))
mDura = _timeSigDura;
+ // if no valid length found and time signature is unknown, use default
+ if (mDura.isZero() && !_timeSigDura.isValid())
+ mDura = Fraction(4, 4);
// if necessary, round up to an integral number of 1/64s,
// to comply with MuseScores actual measure length constraints
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