/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 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 <boost/shared_ptr.hpp>
-#include <boost/utility.hpp>
-extern "C" {
-#include <libswresample/swresample.h>
-}
-#include "types.h"
-#include "audio_content.h"
+
+#include <samplerate.h>
+#include <memory>
+
class AudioBuffers;
-class Resampler : public boost::noncopyable
+
+class Resampler
{
public:
Resampler (int, int, int);
~Resampler ();
- boost::shared_ptr<const AudioBuffers> run (boost::shared_ptr<const AudioBuffers>);
- boost::shared_ptr<const AudioBuffers> flush ();
+ Resampler (Resampler const&) = delete;
+ Resampler& operator= (Resampler const&) = delete;
+
+ std::shared_ptr<const AudioBuffers> run (std::shared_ptr<const AudioBuffers>);
+ std::shared_ptr<const AudioBuffers> flush ();
+ void reset ();
+ void set_fast ();
+
+ int channels() const {
+ return _channels;
+ }
-private:
- SwrContext* _swr_context;
+private:
+ SRC_STATE* _src = nullptr;
int _in_rate;
int _out_rate;
int _channels;