Qmmp
/usr/src/RPM/BUILD/qmmp-1.1.7/src/qmmp/soundcore.h
00001 /***************************************************************************
00002  *   Copyright (C) 2006-2013 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 SOUNDCORE_H
00021 #define SOUNDCORE_H
00022 
00023 #include <QObject>
00024 #include <QString>
00025 #include <QQueue>
00026 #include <QHash>
00027 #include "decoder.h"
00028 #include "output.h"
00029 #include "visual.h"
00030 #include "qmmp.h"
00031 #include "qmmpsettings.h"
00032 #include "eqsettings.h"
00033 
00034 class VolumeControl;
00035 class AbstractEngine;
00036 class InputSource;
00037 class StateHandler;
00038 
00042 class SoundCore : public QObject
00043 {
00044     Q_OBJECT
00045 public:
00050     SoundCore(QObject *parent = 0);
00054     ~SoundCore();
00058     qint64 totalTime() const;
00062     EqSettings eqSettings() const;
00066     void setEqSettings(const EqSettings &settings);
00070     int leftVolume() const;
00074     int rightVolume() const;
00078     int volume() const;
00082     int balance() const;
00086     bool isMuted() const;
00090     qint64 elapsed();
00094     int bitrate();
00098     quint32 frequency();
00102     int sampleSize();
00106     int channels();
00110     Qmmp::State state() const;
00114     QMap <Qmmp::MetaData, QString> metaData() const;
00118     QString metaData(Qmmp::MetaData key) const;
00122     QHash<QString, QString> streamInfo() const;
00127     bool nextTrackAccepted() const;
00131     static SoundCore* instance();
00132 
00133 public slots:
00139     void setVolume(int left, int right);
00144     void setMuted(bool mute);
00148     void changeVolume(int delta);
00153     void setVolume(int volume);
00157     void volumeUp();
00161     void volumeDown();
00166     void setBalance(int balance);
00172     bool play(const QString &source, bool queue = false, qint64 offset = -1);
00176     void stop();
00180     void pause();
00184     void seek(qint64 pos);
00188     const QString url() const;
00189 
00190 signals:
00195     void bufferingProgress(int progress);
00200     void elapsedChanged(qint64 time);
00205     void bitrateChanged(int bitrate);
00210     void frequencyChanged(quint32 frequency);
00215     void sampleSizeChanged(int size);
00220     void channelsChanged(int channels);
00224     void metaDataChanged ();
00228     void streamInfoChanged();
00232     void stateChanged (Qmmp::State newState);
00236     void finished();
00242     void volumeChanged(int left, int right);
00247     void mutedChanged(bool muted);
00252     void volumeChanged(int volume);
00257     void balanceChanged(int balance);
00261     void eqSettingsChanged();
00265     void nextTrackRequest();
00266 
00267 private slots:
00268     void startNextSource();
00269     void startNextEngine();
00270 
00271 private:
00272     bool event(QEvent *e);
00273     enum NextEngineState
00274     {
00275         NO_ENGINE = 0,
00276         SAME_ENGINE,
00277         ANOTHER_ENGINE,
00278         INVALID_SOURCE
00279     };
00280     QMap <Qmmp::MetaData, QString> m_metaData;
00281     QHash <QString, QString> m_streamInfo;
00282     QString m_url;
00283     static SoundCore* m_instance;
00284     StateHandler *m_handler;
00285     VolumeControl *m_volumeControl;
00286     AbstractEngine *m_engine;
00287     QQueue<InputSource *> m_sources;
00288     int m_nextState;
00289     bool m_muted;
00290 };
00291 
00292 #endif
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