src/noarch/Player.h (9a96213) - Blinker · BlinkenArea

Player.h

/* Blinker
   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
   a blinkenarea.org project */

#ifndef PLAYER_H
#define PLAYER_H

#include <list>
#include <string>

#include <BlinkenLib/BlinkenMovie.h>

#include "CallMgr.h"
#include "Directory.h"
#include "File.h"
#include "Module.h"
#include "SettingFile.h"
#include "StreamMgr.h"
#include "Time.h"
#include "TimeCallee.h"

namespace Blinker {

/// a movie player
class Player: public Module, public TimeCallee
{
protected:
  /// playlist entry
  struct Entry {
    std::string     m_name;    ///< name of playlist entry
    File            m_file;    ///< file object (to check for updates)
    stBlinkenMovie *m_pMovie;  ///< movie object
    Entry(const std::string &name, const File &file); ///< constructor
    bool loadMovie(); ///< load movie from current file
    void freeMovie(); ///< free current movie
  };

/// playlist
  typedef std::list<Entry> Playlist;

public:
  /**
   * @brief constructor
   * @param[in] callMgr callback manager
   * @param[in] streamMgr stream manager
   * @param[in] dirBase base directory
   */
  Player(CallMgr &callMgr, StreamMgr &streamMgr, const Directory &dirBase);

/// virtual destructor
  virtual ~Player();

private:
  /// copy constructor disabled
  Player(const Player &that);

/// assignment operator disabled
  const Player & operator=(const Player &that);

public:
  /// check for update of configuration
  virtual void updateConfig();

/// callback when requsted time reached
  virtual void timeCall();

protected:
  /// light update of playlist, i.e. stat all files in current playlist
  void updatePlaylistLight();

/// full update of playlist, i.e. scan files in playlist directory
  void updatePlaylistFull();

/// get output stream
  void getOutStream();

/// release output stream
  void releaseOutStream();

/// process current frame
  void procFrame();

/// send current frame to output stream
  void sendFrame();

protected:
  SettingFile              m_fileOutStream; ///< output stream name file
  Directory                m_dirPlaylist;   ///< playlist directory
  std::string              m_nameOutStream; ///< name of output stream
  Stream                   *m_pOutStream;   ///< output stream
  Playlist                 m_playlist;      ///< current playlist
  bool                     m_curValid;      ///< if there is a current frame
  Playlist::const_iterator m_curEntry;      ///< current playlist entry
  int                      m_curFrame;      ///< current frame in movie
  Time                     m_nextTime;      ///< when to show next frame
}; // class Player

} // namespace Blinker

#endif // #ifndef PLAYER_H

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