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 #include "wx/object.h"
  21
  22 typedef struct wxCDtime {
  23   wxUint8 track;
  24   wxUint8 hour, min, sec;
  25 } wxCDtime;
  26
  27 class WXDLLEXPORT wxCDAudio : public wxObject {
  28   DECLARE_ABSTRACT_CLASS(wxCDAudio)
  29 public:
  30   typedef enum { PLAYING, PAUSED, STOPPED } CDstatus;
  31   // Table of contents manager
  32   class CDtoc {
  33   protected:
  34     wxCDtime *tracks_time, *tracks_pos;
  35     wxCDtime total_time;
  36   public:
  37     //
  38     CDtoc(wxCDtime& tot_tm, wxCDtime *trks_tm, wxCDtime *trks_pos)
  39       { tracks_time = trks_tm; total_time = tot_tm; tracks_pos = trks_pos; }
  40
  41     // Returns the length of the specified track
  42     // track: track to get length
  43     wxCDtime GetTrackTime(wxUint8 track) const;
  44     // Returns the position of the specified track
  45     // track: track to get position
  46     wxCDtime GetTrackPos(wxUint8 track) const;
  47     // Returns the total time
  48     inline wxCDtime GetTotalTime() const { return total_time; }
  49   };
  50 public:
  51   //
  52   wxCDAudio() : wxObject() {}
  53   //
  54   virtual ~wxCDAudio() {}
  55
  56   // Play audio at the specified position
  57   virtual bool Play(const wxCDtime& beg_play, const wxCDtime& end_play) = 0;
  58   // Play audio from the specified to the end of the CD audio
  59   bool Play(const wxCDtime& beg_play);
  60   //
  61   bool Play(wxUint8 beg_track, wxUint8 end_track = 0);
  62   // Pause the audio playing
  63   virtual bool Pause() = 0;
  64   // Resume a paused audio playing
  65   virtual bool Resume() = 0;
  66   // Get the current CD status
  67   virtual CDstatus GetStatus() = 0;
  68   // Get the current playing time
  69   virtual wxCDtime GetTime() = 0;
  70   // Returns the table of contents
  71   virtual const CDtoc& GetToc() = 0;
  72   // CD ok
  73   virtual bool Ok() const = 0;
  74 };
  75
  76 #endif