/*
- 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)
}
+
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) {
/* 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);
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());
return out;
}
+
void
AudioDelay::flush ()
{