Supporters update.

[dcpomatic.git] / src / lib / audio_delay.cc

diff --git a/src/lib/audio_delay.cc b/src/lib/audio_delay.cc
index 076d10d6fa3a85ae92f674ca837d0fd8cb852a0d..d06d9e73023055d8d060ae322bd64cc63e379f0c 100644 (file)
--- a/src/lib/audio_delay.cc
+++ b/src/lib/audio_delay.cc
@@ -1,29 +1,34 @@
 /*
-    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2015-2021 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
+
 #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)
@@ -31,13 +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) {
 
@@ -54,7 +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);
 
@@ -65,12 +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());
@@ -79,6 +85,7 @@ AudioDelay::run (shared_ptr<const AudioBuffers> in)
        return out;
 }
 
+
 void
 AudioDelay::flush ()
 {