X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_filter.cc;h=94994ba81036fd1fad2fa16785d37d76ec0d76bb;hb=233f8008287c09ed0da6cddba56fb1bd83e21d0f;hp=96af75674cc1369d72f781b25078e5761ad2d495;hpb=fa4da415f1788bed17eefd05ba8d49b8ad847613;p=dcpomatic.git

diff --git a/src/lib/audio_filter.cc b/src/lib/audio_filter.cc
index 96af75674..94994ba81 100644
--- a/src/lib/audio_filter.cc
+++ b/src/lib/audio_filter.cc
@@ -21,6 +21,7 @@
 
 #include "audio_filter.h"
 #include "audio_buffers.h"
+#include "maths_util.h"
 #include "util.h"
 #include <cmath>
 
@@ -34,7 +35,7 @@ std::vector<float>
 AudioFilter::sinc_blackman (float cutoff, bool invert) const
 {
 	auto ir = std::vector<float>();
-	ir.reserve(_M + 1);
+	ir.resize(_M + 1);
 
 	/* Impulse response */
 
@@ -79,7 +80,7 @@ AudioFilter::run (shared_ptr<const AudioBuffers> in)
 	auto out = make_shared<AudioBuffers>(in->channels(), in->frames());
 
 	if (!_tail) {
-		_tail.reset (new AudioBuffers (in->channels(), _M + 1));
+		_tail = make_shared<AudioBuffers>(in->channels(), _M + 1);
 		_tail->make_silent ();
 	}
 
@@ -141,7 +142,7 @@ BandPassAudioFilter::BandPassAudioFilter (float transition_bandwidth, float lowe
 	auto lpf = sinc_blackman (lower, false);
 	auto hpf = sinc_blackman (higher, true);
 
-	_ir.reserve (_M + 1);
+	_ir.resize(_M + 1);
 	for (int i = 0; i <= _M; ++i) {
 		_ir[i] = lpf[i] + hpf[i];
 	}