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-rw-r--r--src/lib/audio_analysis.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/audio_analysis.cc b/src/lib/audio_analysis.cc
index 022c5935d..16deacbd1 100644
--- a/src/lib/audio_analysis.cc
+++ b/src/lib/audio_analysis.cc
@@ -178,6 +178,8 @@ AudioAnalysis::gain_correction (shared_ptr<const Playlist> playlist)
pair<AudioAnalysis::PeakTime, int>
AudioAnalysis::overall_sample_peak () const
{
+ DCPOMATIC_ASSERT (!_sample_peak.empty ());
+
optional<PeakTime> pt;
int c;