From 6495409c098a1a295f344b30a0fb65d090513091 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 18 Sep 2015 22:32:21 +0100
Subject: const fix.

---
 src/lib/audio_filter.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/lib')

diff --git a/src/lib/audio_filter.cc b/src/lib/audio_filter.cc
index 2cf1cf604..10f3849df 100644
--- a/src/lib/audio_filter.cc
+++ b/src/lib/audio_filter.cc
@@ -67,7 +67,7 @@ AudioFilter::sinc_blackman (float cutoff, bool invert) const
 }
 
 shared_ptr<AudioBuffers>
-AudioFilter::run (shared_ptr<AudioBuffers> in)
+AudioFilter::run (shared_ptr<const AudioBuffers> in)
 {
 	shared_ptr<AudioBuffers> out (new AudioBuffers (in->channels(), in->frames()));
 
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