visualbuffer_p.h

/***************************************************************************
 *   Copyright (C) 2017-2025 by Ilya Kotov                                 *
 *   forkotov02@ya.ru                                                      *
 *                                                                         *
 *   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 VISUALBUFFER_P_H
#define VISUALBUFFER_P_H
 
#include <QtGlobal>
#include <QElapsedTimer>
#include <QMutex>
 
#define VISUAL_BUFFER_SIZE 128 //number of nodes

class VisualNode
{
public:
    float data[2][512] = {{ 0 }};
    qint64 ts = 0;
    qint64 delta = 0;
};

class VisualBuffer
{
public:
    VisualBuffer();
 
    void add(float *pcm, int samples, int channels, qint64 ts, qint64 delay);
    VisualNode *take();
    void clear();
    QMutex *mutex();
 
private:
    VisualNode m_buffer[VISUAL_BUFFER_SIZE];
    qint64 m_elapsed = 0;
    int m_take_index = 0;
    int m_add_index = 0;
    QElapsedTimer m_time;
    QMutex m_mutex;
};
 
#endif // VISUALBUFFER_P_H