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visualbuffer_p.h
1/***************************************************************************
2 * Copyright (C) 2017-2022 by Ilya Kotov *
3 * forkotov02@ya.ru *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21#ifndef VISUALBUFFER_P_H
22#define VISUALBUFFER_P_H
23
24#include <QtGlobal>
25#include <QElapsedTimer>
26#include <QMutex>
27
28#define VISUAL_BUFFER_SIZE 128 //number of nodes
29
30class VisualNode
31{
32public:
33 float data[2][512] = {{ 0 }};
34 qint64 ts = 0;
35 qint64 delta = 0;
36};
37
38class VisualBuffer
39{
40public:
41 VisualBuffer();
42
43 void add(float *pcm, int samples, int channels, qint64 ts, qint64 delay);
44 VisualNode *take();
45 void clear();
46 QMutex *mutex();
47
48private:
49 VisualNode m_buffer[VISUAL_BUFFER_SIZE];
50 qint64 m_elapsed = 0;
51 int m_take_index = 0;
52 int m_add_index = 0;
53 QElapsedTimer m_time;
54 QMutex m_mutex;
55
56};
57
58#endif // VISUALBUFFER_P_H