loudness_settings.h

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/*
 * Copyright (C) 2021 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 _gtkardour_loudness_settings_h_
#define _gtkardour_loudness_settings_h_
 
#include <cstddef>
#include <stdexcept>
#include <string>
#include <vector>
 
class XMLNode;
 
struct CLoudnessPreset
{
        enum {
                LR_dBFS,
                LR_dBTP,
                LR_Integrated,
                LR_Short,
                LR_Momentary,
                LR_LAST
        };
 
        std::string label;
        bool        enable[LR_LAST];
        float       level[LR_LAST];
        float       LUFS_range[2];
        bool        report;
        bool        user;
};
 
struct ALoudnessPreset : public CLoudnessPreset
{
        ALoudnessPreset (XMLNode const&);
        ALoudnessPreset (std::string const&, bool enable[LR_LAST], float level[LR_LAST]);
        ALoudnessPreset (CLoudnessPreset const& c) : CLoudnessPreset (c) {}
 
        XMLNode& state () const;
        bool operator==(ALoudnessPreset const&) const;
};
 
class ALoudnessPresets
{
public:
        ALoudnessPresets (bool built_in_only);
        ~ALoudnessPresets ();
 
        std::vector<ALoudnessPreset> const& presets () const {
                return _p;
        }
 
        bool push_back (CLoudnessPreset const&);
        bool erase (CLoudnessPreset const&);
        bool erase (size_t);
 
        CLoudnessPreset const&
        operator[] (size_t which) const {
                if (which >= _p.size ()) {
                        throw std::out_of_range ("preset index is out of range");
                }
                return _p[which];
        }
 
        CLoudnessPreset&
        operator[] (size_t which) {
                if (which >= _p.size ()) {
                        throw std::out_of_range ("preset index is out of range");
                }
                return _p[which];
        }
 
        size_t n_presets () const {
                return _p.size ();
        }
 
        bool find_preset (CLoudnessPreset&) const;
 
private:
        std::vector <ALoudnessPreset> _p;
        bool _save;
};
 
#endif