X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_filter.h;h=922cc5fdb483fdec278721becf8f4528776600dd;hp=500cfa6e258b5b4d39fe5323596d75a5552b45d4;hb=2d4e8c5f69cc694625ad95dcee554499605f823b;hpb=dd9be86db6cde0afa5da0d1d1ac43b42e05dca26

diff --git a/src/lib/audio_filter.h b/src/lib/audio_filter.h
index 500cfa6e2..922cc5fdb 100644
--- a/src/lib/audio_filter.h
+++ b/src/lib/audio_filter.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -28,6 +28,7 @@
 class AudioBuffers;
 struct audio_filter_impulse_input_test;
 
+
 /** An audio filter which can take AudioBuffers and apply some filtering operation,
  *  returning filtered samples
  */
@@ -35,7 +36,6 @@ class AudioFilter
 {
 public:
 	explicit AudioFilter (float transition_bandwidth)
-		: _ir (0)
 	{
 		_M = 4 / transition_bandwidth;
 		if (_M % 2) {
@@ -55,11 +55,12 @@ protected:
 
 	float* sinc_blackman (float cutoff, bool invert) const;
 
-	float* _ir;
+	float* _ir = nullptr;
 	int _M;
 	std::shared_ptr<AudioBuffers> _tail;
 };
 
+
 class LowPassAudioFilter : public AudioFilter
 {
 public:
@@ -70,6 +71,7 @@ public:
 	LowPassAudioFilter (float transition_bandwidth, float cutoff);
 };
 
+
 class HighPassAudioFilter : public AudioFilter
 {
 public:
@@ -80,6 +82,7 @@ public:
 	HighPassAudioFilter (float transition_bandwidth, float cutoff);
 };
 
+
 class BandPassAudioFilter : public AudioFilter
 {
 public:
@@ -91,4 +94,5 @@ public:
 	BandPassAudioFilter (float transition_bandwidth, float lower, float higher);
 };
 
+
 #endif