From: Carl Hetherington <cth@carlh.net>
Date: Sat, 25 Jan 2020 09:05:34 +0000 (+0100)
Subject: Fix thinko two commits ago.
X-Git-Tag: v2.15.42~5
X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=commitdiff_plain;h=f62398d081db17afd1816bfc8312afb386f22e78

Fix thinko two commits ago.
---

diff --git a/src/lib/audio_buffers.cc b/src/lib/audio_buffers.cc
index 8d3a897c4..82df9d6f6 100644
--- a/src/lib/audio_buffers.cc
+++ b/src/lib/audio_buffers.cc
@@ -269,8 +269,11 @@ AudioBuffers::ensure_size (int32_t frames)
 		}
 	}
 
-	make_silent (_allocated_frames, frames - _allocated_frames);
+	int32_t const old_allocated = _allocated_frames;
 	_allocated_frames = frames;
+	if (old_allocated < _allocated_frames) {
+		make_silent (old_allocated, _allocated_frames - old_allocated);
+	}
 }
 
 /** Mix some other buffers with these ones.  The AudioBuffers must have the same number of channels.