src/engine/helix/helix-engine.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2006 Paul Cifarelli <paul@cifarelli.net>           *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  ***************************************************************************/
  10
  11 #ifndef _HELIX_ENGINE_H_
  12 #define _HELIX_ENGINE_H_
  13
  14 #include "enginebase.h"
  15 #include <QObject>
  16 //Added by qt3to4:
  17 #include <Q3ValueList>
  18 #include <QTimerEvent>
  19 #include <sys/types.h>
  20 #include <hxplayercontrol.h>
  21
  22 class QStringList;
  23 struct timeval;
  24
  25 class HelixEngine : public Engine::Base, public PlayerControl
  26 {
  27    Q_OBJECT
  28
  29 public:
  30    HelixEngine();
  31    ~HelixEngine();
  32
  33    virtual bool init();
  34    virtual bool canDecode( const KUrl& ) const;
  35    virtual uint position() const;
  36    virtual uint length() const;
  37    virtual Engine::State state() const;
  38
  39    virtual void play_finished(int playerIndex);
  40    virtual const Engine::Scope &scope();
  41
  42    virtual Amarok::PluginConfig *configure() const;
  43
  44    virtual void onContacting(const char *host);
  45    virtual void onBuffering(int pcnt);
  46
  47    virtual int fallbackToOSS();
  48
  49 public slots:
  50    virtual bool load( const KUrl &url, bool stream );
  51    virtual bool play( uint = 0 );
  52    virtual void stop();
  53    virtual void pause();
  54    virtual void unpause();
  55    virtual void seek( uint );
  56
  57    virtual void setEqualizerEnabled( bool );
  58    virtual void setEqualizerParameters( int preamp, const Q3ValueList<int>& );
  59
  60
  61 protected:
  62    virtual void setVolumeSW( uint );
  63
  64 private:
  65    Engine::State m_state;
  66    KUrl          m_url;
  67
  68    QString      m_coredir;
  69    QString      m_pluginsdir;
  70    QString      m_codecsdir;
  71    bool         m_inited;
  72
  73    int           m_numPlayers;
  74    int           m_current;  // the current player
  75
  76    bool          m_isStream;
  77    HelixSimplePlayer::metaData m_md;
  78
  79    int scope(int playerIndex);
  80    int prune();
  81    int prune(int playerIndex);
  82    bool m_scopeplayerlast;
  83    float m_sfps;
  84    struct timeval m_scopetm;
  85    unsigned long m_scopedelta;
  86    int   m_sframes;
  87    int   m_lframes;
  88    struct HelixScope
  89    {
  90       DelayQueue *m_item;
  91       unsigned long  m_lasttime;
  92       unsigned long  m_lastpos;
  93       unsigned short m_currentScope[SCOPESIZE];
  94       int            m_scopeindex;
  95       unsigned long  m_w; // more accurate position estimate for the player
  96    } hscope[2];
  97
  98    typedef struct MimeEntry
  99    {
 100       QStringList type;
 101       QStringList ext;
 102    };
 103
 104    std::vector<MimeEntry> m_mimes;
 105
 106    struct FadeTrack
 107    {
 108       unsigned long m_startfadetime;
 109       bool m_fadeactive;
 110       bool m_stopfade;
 111    } m_pfade[2];
 112
 113    void cleanup();
 114    void timerEvent( QTimerEvent * );
 115    void resetScope(int playerIndex);
 116
 117    int print2stdout(const char *fmt, ...)
 118 #ifdef __GNUC__
 119       __attribute__ ((format (printf, 2, 3)))
 120 #endif
 121       ;
 122    int print2stderr(const char *fmt, ...)
 123 #ifdef __GNUC__
 124       __attribute__ ((format (printf, 2, 3)))
 125 #endif
 126       ;
 127    void notifyUser(unsigned long code, const char *moreinfo, const char *moreinfourl);
 128    void interruptUser(unsigned long code, const char *moreinfo, const char *moreinfourl);
 129
 130    friend class HelixConfigDialogBase;
 131 };
 132
 133
 134 #endif