contrib/include/wx/mmedia/cdbase.h

   1 // ---------------------------------------------------------------------------
   2 // Name:       cdbase.h
   3 // Purpose:    wxMMedia
   4 // Author:     Guilhem Lavaux
   5 // Created:    1997
   6 // Updated:    1998, 1999, 2000
   7 // Copyright:  (C) 1997, 1998, 1999, 2000 Guilhem Lavaux
   8 // License:    wxWindows license
   9 // ---------------------------------------------------------------------------
  10 #ifndef __CDA_base_H__
  11 #define __CDA_base_H__
  12
  13 #include "wx/defs.h"
  14 #include "wx/object.h"
  15 #include "wx/mmedia/defs.h"
  16
  17 typedef struct wxCDtime {
  18   wxUint8 track;
  19   wxUint8 hour, min, sec;
  20 } wxCDtime;
  21
  22 class WXDLLIMPEXP_MMEDIA wxCDAudio : public wxObject {
  23   DECLARE_ABSTRACT_CLASS(wxCDAudio)
  24 public:
  25   typedef enum { PLAYING, PAUSED, STOPPED } CDstatus;
  26   // Table of contents manager
  27   class WXDLLIMPEXP_MMEDIA CDtoc {
  28   protected:
  29     wxCDtime *tracks_time, *tracks_pos;
  30     wxCDtime total_time;
  31   public:
  32     //
  33     CDtoc(wxCDtime& tot_tm, wxCDtime *trks_tm, wxCDtime *trks_pos)
  34       { tracks_time = trks_tm; total_time = tot_tm; tracks_pos = trks_pos; }
  35
  36     // Returns the length of the specified track
  37     // track: track to get length
  38     wxCDtime GetTrackTime(wxUint8 track) const;
  39     // Returns the position of the specified track
  40     // track: track to get position
  41     wxCDtime GetTrackPos(wxUint8 track) const;
  42     // Returns the total time
  43     inline wxCDtime GetTotalTime() const { return total_time; }
  44   };
  45 public:
  46   //
  47   wxCDAudio() : wxObject() {}
  48   //
  49   virtual ~wxCDAudio() {}
  50
  51   // Play audio at the specified position
  52   virtual bool Play(const wxCDtime& beg_play, const wxCDtime& end_play) = 0;
  53   // Play audio from the specified to the end of the CD audio
  54   bool Play(const wxCDtime& beg_play);
  55   //
  56   bool Play(wxUint8 beg_track, wxUint8 end_track = 0);
  57   // Pause the audio playing
  58   virtual bool Pause() = 0;
  59   // Resume a paused audio playing
  60   virtual bool Resume() = 0;
  61   // Get the current CD status
  62   virtual CDstatus GetStatus() = 0;
  63   // Get the current playing time
  64   virtual wxCDtime GetTime() = 0;
  65   // Returns the table of contents
  66   virtual const CDtoc& GetToc() = 0;
  67   // CD ok
  68   virtual bool Ok() const = 0;
  69 };
  70
  71 #endif