Qmmp
/usr/src/RPM/BUILD/qmmp-0.11-svn/src/qmmp/visual.h
00001 /***************************************************************************
00002  *   Copyright (C) 2008-2017 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 #ifndef VISUAL_H
00021 #define VISUAL_H
00022 
00023 #include <QMutex>
00024 #include <QStringList>
00025 #include <QWidget>
00026 #include <QHash>
00027 #include <stddef.h>
00028 
00029 #define QMMP_VISUAL_NODE_SIZE 512 //samples
00030 
00031 class VisualFactory;
00032 class VisualBuffer;
00033 
00037 class Visual : public QWidget
00038 {
00039     Q_OBJECT
00040 public:
00046     Visual(QWidget *parent, Qt::WindowFlags f = 0);
00050     virtual ~Visual();
00054     static QList<VisualFactory*> factories();
00059     static QString file(VisualFactory *factory);
00065     static void setEnabled(VisualFactory* factory, bool enable = true);
00070     static bool isEnabled(VisualFactory* factory);
00074     static void add(Visual*visual);
00078     static void remove(Visual*);
00085     static void initialize(QWidget *parent, QObject *receiver = 0, const char *member = 0);
00089     static QList<Visual *> *visuals();
00095     static void showSettings(VisualFactory *factory, QWidget *parent);
00102     static void addAudio(float *pcm, int samples, int channels, qint64 ts, qint64 delay);
00103     static void clearBuffer();
00104 
00105 public slots:
00106     virtual void start() = 0;
00107     virtual void stop() = 0;
00108 
00109 signals:
00113     void closedByUser();
00114 
00115 protected:
00120     virtual void closeEvent (QCloseEvent *event);
00121 
00122     bool takeData(float *left, float *right = 0);
00123 
00124 private:
00125     static QList<VisualFactory*> *m_factories;
00126     static QHash <VisualFactory*, QString> *m_files;
00127     static void checkFactories();
00128     static QList<Visual*>  m_visuals;
00129     static QHash<VisualFactory*, Visual*> m_vis_map; //internal visualization
00130     static QWidget *m_parentWidget;
00131     static QObject *m_receiver;
00132     static const char *m_member;
00133     static VisualBuffer m_buffer;
00134 };
00135 
00136 #endif
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