tone.h

Go to the documentation of this file.

/*
 *  Copyright (C) 2004-2025 Savoir-faire Linux Inc.
 *
 *  Inspired by tonegenerator of
 *   Laurielle Lea <laurielle.lea@savoirfairelinux.com> (2004)
 *
 *  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 3 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, see <https://www.gnu.org/licenses/>.
 */
#pragma once
 
#include <string>
#include "audio/audioloop.h"
 
namespace jami {
 
class Tone : public AudioLoop
{
public:
    Tone(std::string_view definition, unsigned int sampleRate, AVSampleFormat sampleFormat);
 
    enum class ToneId { DIALTONE = 0, BUSY, RINGTONE, CONGESTION, TONE_NULL };
 
    static void genSin(AVFrame* buffer, size_t outPos, unsigned nb_samples, unsigned frequency1, unsigned frequency2);
 
private:
    void genBuffer(std::string_view definition);
};
 
} // namespace jami