Qmmp
/usr/src/RPM/BUILD/qmmp-0.11-svn/src/qmmp/visualbuffer_p.h
00001 /***************************************************************************
00002  *   Copyright (C) 2017 by Ilya Kotov                                      *
00003  *   forkotov02@hotmail.ru                                                 *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU General Public License as published by  *
00007  *   the Free Software Foundation; either version 2 of the License, or     *
00008  *   (at your option) any later version.                                   *
00009  *                                                                         *
00010  *   This program is distributed in the hope that it will be useful,       *
00011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00013  *   GNU General Public License for more details.                          *
00014  *                                                                         *
00015  *   You should have received a copy of the GNU General Public License     *
00016  *   along with this program; if not, write to the                         *
00017  *   Free Software Foundation, Inc.,                                       *
00018  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
00019  ***************************************************************************/
00020 
00021 #ifndef VISUALBUFFER_P_H
00022 #define VISUALBUFFER_P_H
00023 
00024 #include <QtGlobal>
00025 #include <QTime>
00026 #include <QMutex>
00027 
00028 #define VISUAL_BUFFER_SIZE 128 //number of nodes
00029 
00030 class VisualNode
00031 {
00032 public:
00033     float data[2][512];
00034     bool used;
00035     qint64 ts;
00036 
00037     VisualNode()
00038     {
00039         used = false;
00040         ts = 0;
00041     }
00042 };
00043 
00044 class VisualBuffer
00045 {
00046 public:
00047     VisualBuffer();
00048 
00049     void add(float *pcm, int samples, int channels, qint64 ts, qint64 delay);
00050     VisualNode *take();
00051     void clear();
00052     QMutex *mutex();
00053 
00054 private:
00055     VisualNode m_buffer[VISUAL_BUFFER_SIZE];
00056     qint64 m_elapsed;
00057     int m_take_index;
00058     int m_add_index;
00059     QTime m_time;
00060     QMutex m_mutex;
00061 
00062 };
00063 
00064 #endif // VISUALBUFFER_P_H
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