contrib/include/wx/mmedia/vidbase.h

   1 // /////////////////////////////////////////////////////////////////////////////
   2 // Name:       vidbase.h
   3 // Purpose:    wxMMedia
   4 // Author:     Guilhem Lavaux
   5 // Created:    1997
   6 // Updated:    1998
   7 // Copyright:  (C) 1997, 1998, Guilhem Lavaux
   8 // CVS:        $Id$
   9 // License:    wxWindows license
  10 // /////////////////////////////////////////////////////////////////////////////
  11 /* Real -*- C++ -*- */
  12 #ifndef __VID_bdrv_H__
  13 #define __VID_bdrv_H__
  14
  15 #ifdef __GNUG__
  16 #pragma interface "vidbase.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22 // For compilers that support precompilation, includes "wx/wx.h".
  23 #include "wx/wxprec.h"
  24
  25 #ifdef __BORLANDC__
  26     #pragma hdrstop
  27 #endif
  28
  29 // for all others, include the necessary headers (this file is usually all you
  30 // need because it includes almost all "standard" wxWidgets headers
  31 #ifndef WX_PRECOMP
  32     #include "wx/defs.h"
  33     #include "wx/stream.h"
  34     #include "wx/string.h"
  35     #include "wx/window.h"
  36     #include "wx/frame.h"
  37 #endif
  38
  39 #include "wx/mmedia/defs.h"
  40
  41 // ----------------------------------------------------------------------------
  42 // wxMMedia2 (video) types
  43
  44 typedef enum {
  45   wxVIDEO_MSAVI,
  46   wxVIDEO_MPEG,
  47   wxVIDEO_QT,
  48   wxVIDEO_GIF,
  49   wxVIDEO_JMOV,
  50   wxVIDEO_FLI,
  51   wxVIDEO_IFF,
  52   wxVIDEO_SGI,
  53   wxVIDEO_MPEG2
  54 } wxVideoType;
  55
  56 // ----------------------------------------------------------------------------
  57 // Classes definition
  58
  59 class WXDLLIMPEXP_MMEDIA wxVideoBaseDriver : public wxObject {
  60     DECLARE_ABSTRACT_CLASS(wxVideoBaseDriver)
  61 protected:
  62     wxWindow *m_video_output;
  63 public:
  64     // Ctors
  65     wxVideoBaseDriver();
  66     wxVideoBaseDriver(wxInputStream& str);
  67     wxVideoBaseDriver(const wxString& filename);
  68     // Dtor
  69     virtual ~wxVideoBaseDriver();
  70
  71     // Usual functions ... They all return false in case of errors.
  72     virtual bool Play() = 0;
  73     virtual bool Stop() = 0;
  74     virtual bool Pause() = 0;
  75     virtual bool Resume() = 0;
  76
  77     // Size management
  78     virtual bool SetSize(wxSize size) = 0;
  79     virtual bool GetSize(wxSize& size) const = 0;
  80
  81     // Test the capability of the driver to handle the specified type
  82     virtual bool IsCapable(wxVideoType WXUNUSED(v_type)) const { return false; }
  83
  84     // Return the video codec name
  85     virtual wxString GetMovieCodec() const = 0;
  86     // Return the audio codec name
  87     virtual wxString GetAudioCodec() const = 0;
  88     // Return misc info about audio
  89     virtual wxUint32 GetSampleRate() const = 0;
  90     virtual wxUint8 GetChannels() const = 0;
  91     virtual wxUint8 GetBPS() const = 0;
  92     // Return frame rate
  93     virtual double GetFrameRate() const = 0;
  94     // Return number of frames
  95     virtual wxUint32 GetNbFrames() const = 0;
  96
  97     // Called when the movie finished
  98     virtual void OnFinished() {}
  99
 100     // Attaches the video output to a window. The video will be shown in that window.
 101     virtual bool AttachOutput(wxWindow& output);
 102     virtual void DetachOutput();
 103
 104     // They return the state of the movie.
 105     virtual bool IsPaused() const = 0;
 106     virtual bool IsStopped() const = 0;
 107 };
 108
 109 WXDLLIMPEXP_MMEDIA wxFrame *wxVideoCreateFrame(wxVideoBaseDriver *vid_drv);
 110
 111
 112 #endif