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-rw-r--r--src/protocols/ToplevelExport.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/protocols/ToplevelExport.cpp b/src/protocols/ToplevelExport.cpp
index 2d40cb78..fb49f722 100644
--- a/src/protocols/ToplevelExport.cpp
+++ b/src/protocols/ToplevelExport.cpp
@@ -393,6 +393,8 @@ void CToplevelExportProtocol::onOutputCommit(PHLMONITOR pMonitor) {
return; // nothing to share
std::vector<WP<CToplevelExportFrame>> framesToRemove;
+ // reserve number of elements to avoid reallocations
+ framesToRemove.reserve(m_vFramesAwaitingWrite.size());
// share frame if correct output
for (auto const& f : m_vFramesAwaitingWrite) {