X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_filter.h;h=86fdce590cf0a5dc6eddba42ad8566779c332c73;hb=d41a59b6ef7a8c935f182d498ae4df0bdd66ba02;hp=b6b75cbb02c27ea5f0241b54de44feafba379346;hpb=3828baf56467224f5d44049bf1e7a7ed11f43a05;p=dcpomatic.git

diff --git a/src/lib/audio_filter.h b/src/lib/audio_filter.h
index b6b75cbb0..86fdce590 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.
 
@@ -21,19 +21,22 @@
 #ifndef DCPOMATIC_AUDIO_FILTER_H
 #define DCPOMATIC_AUDIO_FILTER_H
 
-#include <boost/shared_ptr.hpp>
+
+#include <memory>
+#include <vector>
+
 
 class AudioBuffers;
 struct audio_filter_impulse_input_test;
 
+
 /** An audio filter which can take AudioBuffers and apply some filtering operation,
  *  returning filtered samples
  */
 class AudioFilter
 {
 public:
-	AudioFilter (float transition_bandwidth)
-		: _ir (0)
+	explicit AudioFilter (float transition_bandwidth)
 	{
 		_M = 4 / transition_bandwidth;
 		if (_M % 2) {
@@ -41,9 +44,9 @@ public:
 		}
 	}
 
-	virtual ~AudioFilter ();
+	virtual ~AudioFilter () {}
 
-	boost::shared_ptr<AudioBuffers> run (boost::shared_ptr<const AudioBuffers> in);
+	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers> in);
 
 	void flush ();
 
@@ -51,13 +54,14 @@ protected:
 	friend struct audio_filter_impulse_kernel_test;
 	friend struct audio_filter_impulse_input_test;
 
-	float* sinc_blackman (float cutoff, bool invert) const;
+	std::vector<float> sinc_blackman (float cutoff, bool invert) const;
 
-	float* _ir;
+	std::vector<float> _ir;
 	int _M;
-	boost::shared_ptr<AudioBuffers> _tail;
+	std::shared_ptr<AudioBuffers> _tail;
 };
 
+
 class LowPassAudioFilter : public AudioFilter
 {
 public:
@@ -68,6 +72,7 @@ public:
 	LowPassAudioFilter (float transition_bandwidth, float cutoff);
 };
 
+
 class HighPassAudioFilter : public AudioFilter
 {
 public:
@@ -78,6 +83,7 @@ public:
 	HighPassAudioFilter (float transition_bandwidth, float cutoff);
 };
 
+
 class BandPassAudioFilter : public AudioFilter
 {
 public:
@@ -89,4 +95,5 @@ public:
 	BandPassAudioFilter (float transition_bandwidth, float lower, float higher);
 };
 
+
 #endif