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[wxWidgets.git] / 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