utils/wxMMedia2/lib/cdbase.h

   1 // -*- c++ -*-
   2 // /////////////////////////////////////////////////////////////////////////////
   3 // Name:       cdbase.h
   4 // Purpose:    wxMMedia
   5 // Author:     Guilhem Lavaux
   6 // Created:    1997
   7 // Updated:    1998
   8 // Copyright:  (C) 1997, 1998, Guilhem Lavaux
   9 // License:    wxWindows license
  10 // /////////////////////////////////////////////////////////////////////////////
  11 #ifndef __CDA_base_H__
  12 #define __CDA_base_H__
  13
  14 #ifdef __GNUG__
  15 #pragma interface
  16 #endif
  17
  18 #ifdef WX_PRECOMP
  19 #include "wx_prec.h"
  20 #else
  21 #include "wx/wx.h"
  22 #endif
  23
  24 typedef struct wxCDtime {
  25   wxUint8 track;
  26   wxUint8 hour, min, sec;
  27 } wxCDtime;
  28
  29 class WXDLLEXPORT wxCDAudio : public wxObject {
  30   DECLARE_ABSTRACT_CLASS(wxCDAudio)
  31 public:
  32   typedef enum { PLAYING, PAUSED, STOPPED } CDstatus;
  33   // Table of contents manager
  34   class CDtoc {
  35   protected:
  36     wxCDtime *tracks_time, *tracks_pos;
  37     wxCDtime total_time;
  38   public:
  39     //
  40     CDtoc(wxCDtime& tot_tm, wxCDtime *trks_tm, wxCDtime *trks_pos)
  41       { tracks_time = trks_tm; total_time = tot_tm; tracks_pos = trks_pos; }
  42
  43     // Returns the length of the specified track
  44     // track: track to get length
  45     wxCDtime GetTrackTime(wxUint8 track) const;
  46     // Returns the position of the specified track
  47     // track: track to get position
  48     wxCDtime GetTrackPos(wxUint8 track) const;
  49     // Returns the total time
  50     inline wxCDtime GetTotalTime() const { return total_time; }
  51   };
  52 public:
  53   //
  54   wxCDAudio() : wxObject() {}
  55   //
  56   virtual ~wxCDAudio() {}
  57
  58   // Play audio at the specified position
  59   virtual bool Play(const wxCDtime& beg_play, const wxCDtime& end_play) = 0;
  60   // Play audio from the specified to the end of the CD audio
  61   bool Play(const wxCDtime& beg_play);
  62   //
  63   bool Play(wxUint8 beg_track, wxUint8 end_track = 0);
  64   // Pause the audio playing
  65   virtual bool Pause() = 0;
  66   // Resume a paused audio playing
  67   virtual bool Resume() = 0;
  68   // Get the current CD status
  69   virtual CDstatus GetStatus() = 0;
  70   // Get the current playing time
  71   virtual wxCDtime GetTime() = 0;
  72   // Returns the table of contents
  73   virtual const CDtoc& GetToc() = 0;
  74   // CD ok
  75   virtual bool Ok() const = 0;
  76 };
  77
  78 #endif