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/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program 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,
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef AUDIOGRAPHER_LOUDNESS_READER_H
#define AUDIOGRAPHER_LOUDNESS_READER_H
#include <vamp-hostsdk/PluginLoader.h>
#include "audiographer/visibility.h"
#include "audiographer/sink.h"
#include "audiographer/routines.h"
#include "audiographer/utils/listed_source.h"
namespace AudioGrapher
{
class LIBAUDIOGRAPHER_API LoudnessReader : public ListedSource<float>, public Sink<float>
{
public:
LoudnessReader (float sample_rate, unsigned int channels, samplecnt_t bufsize);
~LoudnessReader ();
void reset ();
float get_normalize_gain (float target_lufs, float target_dbtp);
float get_peak (float target_lufs = -23.f, float target_dbtp = -1.f) {
return 1.f / get_normalize_gain (target_lufs, target_dbtp);
}
virtual void process (ProcessContext<float> const & c);
using Sink<float>::process;
protected:
Vamp::Plugin* _ebur_plugin;
Vamp::Plugin** _dbtp_plugin;
float _sample_rate;
unsigned int _channels;
samplecnt_t _bufsize;
samplecnt_t _pos;
float* _bufs[2];
};
} // namespace
#endif // AUDIOGRAPHER_LOUDNESS_READER_H
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