Qmmp
/usr/src/RPM/BUILD/qmmp-0.7-svn/src/qmmp/soundcore.h
00001 /***************************************************************************
00002  *   Copyright (C) 2006-2012 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 QIODevice;
00035 class VolumeControl;
00036 class AbstractEngine;
00037 class InputSource;
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();
00074     int rightVolume();
00078     qint64 elapsed();
00082     int bitrate();
00086     quint32 frequency();
00090     int sampleSize();
00094     int channels();
00098     Qmmp::State state() const;
00102     QMap <Qmmp::MetaData, QString> metaData() const;
00106     QString metaData(Qmmp::MetaData key) const;
00110     QHash<QString, QString> streamInfo() const;
00114     static SoundCore* instance();
00115 
00116 public slots:
00122     void setVolume(int left, int right);
00128     bool play(const QString &source, bool queue = false, qint64 offset = -1);
00132     void stop();
00136     void pause();
00140     void seek(qint64 pos);
00144     const QString url() const;
00149     bool nextTrackAccepted() const;
00150 
00151 signals:
00156     void bufferingProgress(int progress);
00161     void elapsedChanged(qint64 time);
00166     void bitrateChanged(int bitrate);
00171     void frequencyChanged(quint32 frequency);
00176     void sampleSizeChanged(int size);
00181     void channelsChanged(int channels);
00185     void metaDataChanged ();
00189     void streamInfoChanged();
00193     void stateChanged (Qmmp::State newState);
00197     void finished();
00203     void volumeChanged(int left, int right);
00207     void eqSettingsChanged();
00211     void nextTrackRequest();
00212 
00213 private slots:
00214     void startNextSource();
00215     void startNextEngine();
00216 
00217 private:
00218     bool event(QEvent *e);
00219     enum NextEngineState
00220     {
00221         NO_ENGINE = 0,
00222         SAME_ENGINE,
00223         ANOTHER_ENGINE,
00224         INVALID_SOURCE
00225     };
00226     QMap <Qmmp::MetaData, QString> m_metaData;
00227     QHash <QString, QString> m_streamInfo;
00228     Decoder* m_decoder;
00229     QString m_url;
00230     QList <Visual*> m_visuals;
00231     QWidget *m_parentWidget;
00232     static SoundCore* m_instance;
00233     StateHandler *m_handler;
00234     VolumeControl *m_volumeControl;
00235     AbstractEngine *m_engine;
00236     QQueue<InputSource *> m_sources;
00237     int m_nextState;
00238 };
00239 
00240 #endif
 All Classes Functions Variables Enumerations Enumerator