/*
    Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>

    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.

    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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.

*/


#include "types.h"
#include <samplerate.h>


class AudioBuffers;


class Resampler
{
public:
	Resampler (int, int, int);
	~Resampler ();

	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 ();

private:
	SRC_STATE* _src = nullptr;
	int _in_rate;
	int _out_rate;
	int _channels;
};