X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_delay.cc;h=d06d9e73023055d8d060ae322bd64cc63e379f0c;hp=893773ddd27a5304539ff3d2e0d95f59f7394cb7;hb=HEAD;hpb=3828baf56467224f5d44049bf1e7a7ed11f43a05

diff --git a/src/lib/audio_delay.cc b/src/lib/audio_delay.cc
index 893773ddd..d06d9e730 100644
--- a/src/lib/audio_delay.cc
+++ b/src/lib/audio_delay.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2015-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,13 +18,17 @@
 
 */
 
+
 #include "audio_delay.h"
 #include "audio_buffers.h"
 #include "dcpomatic_assert.h"
 #include <iostream>
 
+
 using std::cout;
-using boost::shared_ptr;
+using std::make_shared;
+using std::shared_ptr;
+
 
 AudioDelay::AudioDelay (int samples)
 	: _samples (samples)
@@ -32,13 +36,14 @@ AudioDelay::AudioDelay (int samples)
 
 }
 
+
 shared_ptr<AudioBuffers>
 AudioDelay::run (shared_ptr<const AudioBuffers> in)
 {
 	/* You can't call this with varying channel counts */
 	DCPOMATIC_ASSERT (!_tail || in->channels() == _tail->channels());
 
-	shared_ptr<AudioBuffers> out (new AudioBuffers (in->channels(), in->frames()));
+	auto out = make_shared<AudioBuffers>(in->channels(), in->frames());
 
 	if (in->frames() > _samples) {
 
@@ -55,7 +60,7 @@ AudioDelay::run (shared_ptr<const AudioBuffers> in)
 
 		/* Keep tail */
 		if (!_tail) {
-			_tail.reset (new AudioBuffers (in->channels(), _samples));
+			_tail = make_shared<AudioBuffers>(in->channels(), _samples);
 		}
 		_tail->copy_from (in.get(), _samples, in->frames() - _samples, 0);
 
@@ -66,12 +71,12 @@ AudioDelay::run (shared_ptr<const AudioBuffers> in)
 			out->copy_from (_tail.get(), out->frames(), 0, 0);
 		} else {
 			out->make_silent ();
-			_tail.reset (new AudioBuffers (out->channels(), _samples));
+			_tail = make_shared<AudioBuffers>(out->channels(), _samples);
 			_tail->make_silent ();
 		}
 
 		/* Shuffle the tail down */
-		_tail->move (out->frames(), 0, _tail->frames() - out->frames());
+		_tail->move (_tail->frames() - out->frames(), out->frames(), 0);
 
 		/* Copy input into the tail */
 		_tail->copy_from (in.get(), in->frames(), 0, _tail->frames() - in->frames());
@@ -80,6 +85,7 @@ AudioDelay::run (shared_ptr<const AudioBuffers> in)
 	return out;
 }
 
+
 void
 AudioDelay::flush ()
 {