player-mp3.h

/*
 * MP3/MPlayer plugin to VDR (C++)
 *
 * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>
 *
 * This code is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 */

#ifndef ___DVB_MP3_H
#define ___DVB_MP3_H

#include <vdr/thread.h>
#include <vdr/player.h>

// -------------------------------------------------------------------

class cRingBufferFrame;
class cFrame;

class cPlayList;
class cSong;
class cSongInfo;
class cBackgroundScan;
class cDecoder;
class cOutputDvb;
class cShuffle;

// -------------------------------------------------------------------

class cMP3PlayInfo
{
  public:
    char Title[64], Artist[64], Album[64], SMode[32], Filename[256];
    int Year, SampleFreq, Bitrate, MaxBitrate;
    int Num, MaxNum;
    // not in hash
    bool Loop, Shuffle;
    int Hash;
};

// -------------------------------------------------------------------

class cPlayManager:public cThread
{
  private:
    cMutex listMutex;
    cCondVar fgCond, bgCond;
      cList < cSong > list;
    cSong *curr;
    int currIndex, maxIndex;
    //
    cSong *play;
    bool playNew, eol;
    //
    cShuffle *shuffle;
    bool shuffleMode, loopMode;
    //
    cSong *scan;
    bool stopscan, throttle, pass2, release;
    //
    virtual void Action( void );
    void NoScan( cSong * nono );
    void NoPlay( cSong * nono );
    void ThrottleWait( void );
  public:
      cPlayManager( void );
     ~cPlayManager(  );
    // Control interface (to be called from frontend thread only!)
    void Flush( void );
    void Add( cPlayList * pl );
    bool Next( void );
    bool Prev( void );
    void Goto( int num );
    void ToggleShuffle( void );
    void ToggleLoop( void );
    bool Info( int num, cMP3PlayInfo * info );
    void Halt( void );
    // Player interface (to be called from player thread only!)
    cSong *Current( void );
    bool NewCurrent( void );
    bool NextCurrent( void );
    void Release( void );
    void Throttle( bool thr );
};

extern cPlayManager *mgr;

// -------------------------------------------------------------------

class cMP3Player:public cPlayer, cThread
{
    friend class cOutputDvb;
  private:
      bool active, started;
    cRingBufferFrame *ringBuffer;
    cMutex playModeMutex;
    cCondVar playModeCond;
//
    int playindex, total;
    cDecoder *decoder;
    cFrame *rframe, *pframe;
    enum ePlayMode
    { pmPlay, pmStopped, pmPaused, pmStartup };
    ePlayMode playMode;
    enum eState
    { msStart, msStop, msDecode, msNormalize, msResample, msOutput, msError, msEof, msWait, msRestart };
    eState state;
    bool levelgood, isStream;
    unsigned int dvbSampleRate;
//
    void Empty( void );
    void StopPlay( void );
    void SetPlayMode( ePlayMode mode );
    void WaitPlayMode( ePlayMode mode, bool inv );
  protected:
      virtual void Activate( bool On );
    virtual void Action( void );
  public:
      cMP3Player( void );
      virtual ~ cMP3Player(  );
    void Pause( void );
    void Play( void );
    bool PrevCheck( void );
    void SkipSeconds( int secs );
    virtual bool GetIndex( int &Current, int &Total, bool SnapToIFrame = false );
    virtual bool GetReplayMode( bool & Play, bool & Forward, int &Speed );
    bool Active( void )
    {
        return active;
    }
    bool IsStream( void )
    {
        return isStream;
    }
    char *CheckImage( char *fileName, size_t j );
    void LoadImage( const char *fullname );
};

#endif //___DVB_MP3_H