/*!
 * @file ogg_player.h
 * Ogg-Player definition
 */


#ifndef _OGG_PLAYER_H
#define _OGG_PLAYER_H

using namespace std;

#include "base_object.h"

#include "alincl.h"
#include <ogg/ogg.h>
#include <vorbis/vorbisfile.h>

struct File;


#define BUFFER_SIZE (8096 * 16)


// the definition of a Ogg-Player
class OggPlayer : public BaseObject
{
public:
  OggPlayer(const std::string& fileName = "");
  virtual ~OggPlayer();

  bool open(const std::string& fileName);
  void release();
  void debug();
  bool playback();
  bool playing();
  bool update();

  void printState();

protected:
  bool stream(ALuint buffer);
  void empty();
  const char* errorString(int code);

  public:
    typedef enum {
      None                   = 0x000,
      FileOpened             = 0x100,
      SourceAllocated        = 0x200,
      BuffersAllocated       = 0x400,
      Stopped                = 0x010,
      Playing                = 0x020,
      Paused                 = 0x040,
      Error                  = 0x001,
    } State;

private:
  FILE*               oggFile;              //!< general file-handler, to open the sound-file
  OggVorbis_File      oggStream;            //!< The stream this Ogg-player is playing back
  vorbis_info*        vorbisInfo;           //!< The information held in the opened ogg-file
  vorbis_comment*     vorbisComment;        //!< Comments about the ogg-file

  ALuint              buffers[2];           //!< buffers that handle sequentially buffering of the audio
  ALuint              source;               //!< The source we play back on
  ALenum              format;               //!< The format we play back
  unsigned int        state;
  //bool                trackLoaded;          //!< If a Track has been loaded.
};


#endif /* _OGG_PLAYER_H */