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 #include "wx/wxprec.h"
  19
  20 typedef struct wxCDtime {
  21   wxUint8 track;
  22   wxUint8 hour, min, sec;
  23 } wxCDtime;
  24
  25 class WXDLLEXPORT wxCDAudio : public wxObject {
  26   DECLARE_ABSTRACT_CLASS(wxCDAudio)
  27 public:
  28   typedef enum { PLAYING, PAUSED, STOPPED } CDstatus;
  29   // Table of contents manager
  30   class CDtoc {
  31   protected:
  32     wxCDtime *tracks_time, *tracks_pos;
  33     wxCDtime total_time;
  34   public:
  35     //
  36     CDtoc(wxCDtime& tot_tm, wxCDtime *trks_tm, wxCDtime *trks_pos)
  37       { tracks_time = trks_tm; total_time = tot_tm; tracks_pos = trks_pos; }
  38
  39     // Returns the length of the specified track
  40     // track: track to get length
  41     wxCDtime GetTrackTime(wxUint8 track) const;
  42     // Returns the position of the specified track
  43     // track: track to get position
  44     wxCDtime GetTrackPos(wxUint8 track) const;
  45     // Returns the total time
  46     inline wxCDtime GetTotalTime() const { return total_time; }
  47   };
  48 public:
  49   //
  50   wxCDAudio() : wxObject() {}
  51   //
  52   virtual ~wxCDAudio() {}
  53
  54   // Play audio at the specified position
  55   virtual bool Play(const wxCDtime& beg_play, const wxCDtime& end_play) = 0;
  56   // Play audio from the specified to the end of the CD audio
  57   bool Play(const wxCDtime& beg_play);
  58   //
  59   bool Play(wxUint8 beg_track, wxUint8 end_track = 0);
  60   // Pause the audio playing
  61   virtual bool Pause() = 0;
  62   // Resume a paused audio playing
  63   virtual bool Resume() = 0;
  64   // Get the current CD status
  65   virtual CDstatus GetStatus() = 0;
  66   // Get the current playing time
  67   virtual wxCDtime GetTime() = 0;
  68   // Returns the table of contents
  69   virtual const CDtoc& GetToc() = 0;
  70   // CD ok
  71   virtual bool Ok() const = 0;
  72 };
  73
  74 #endif