From 5e77d71687ca4a851c48592ecaee77e4802ce560 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Tue, 25 Jul 2023 08:51:10 -0400
Subject: [PATCH] Fix crash in noise reduction
---
src/effects/NoiseReduction.cpp | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/src/effects/NoiseReduction.cpp b/src/effects/NoiseReduction.cpp
index 3b769bcdb6..d490f263e0 100644
--- a/src/effects/NoiseReduction.cpp
+++ b/src/effects/NoiseReduction.cpp
@@ -741,14 +741,18 @@ bool EffectNoiseReduction::Worker::Process(
if (!TrackSpectrumTransformer::Process(
Processor, pChannel, mHistoryLen, start, len))
return false;
- tempList->Add(mOutputTrack);
- assert(mOutputTrack->IsLeader() == pChannel->IsLeader());
- mOutputTrack.reset();
+ if (mOutputTrack) {
+ tempList->Add(mOutputTrack);
+ assert(mOutputTrack->IsLeader() == pChannel->IsLeader());
+ mOutputTrack.reset();
+ }
++mProgressTrackCount;
}
- auto iter = TrackList::Channels(*tempList->Leaders().begin()).begin();
- for (const auto pChannel : TrackList::Channels(track))
- pChannel->ClearAndPaste(t0, t0 + tLen, *iter++, true, false);
+ if (tempList->Size()) {
+ auto iter = TrackList::Channels(*tempList->Leaders().begin()).begin();
+ for (const auto pChannel : TrackList::Channels(track))
+ pChannel->ClearAndPaste(t0, t0 + tLen, *iter++, true, false);
+ }
}
}
--
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