contrib/include/wx/mmedia/vidxanm.h

   1 // /////////////////////////////////////////////////////////////////////////////
   2 // Name:       vidxanm.h
   3 // Purpose:    wxMMedia
   4 // Author:     Guilhem Lavaux
   5 // Created:    1997
   6 // Updated:    1998
   7 // Copyright:  (C) 1997, 1998, Guilhem Lavaux
   8 // License:    wxWindows license
   9 // /////////////////////////////////////////////////////////////////////////////
  10 /* Real -*- C++ -*- */
  11 #ifndef __VID_xanim_H__
  12 #define __VID_xanim_H__
  13
  14 #ifdef __GNUG__
  15     #pragma interface "vidxanm.h"
  16 #endif
  17
  18 // ----------------------------------------------------------------------------
  19 // headers
  20 // ----------------------------------------------------------------------------
  21 // For compilers that support precompilation, includes "wx/wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 // for all others, include the necessary headers (this file is usually all you
  29 // need because it includes almost all "standard" wxWindows headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/defs.h"
  32     #include "wx/string.h"
  33     #include "wx/process.h"
  34 #endif
  35
  36 // ----------------------------------------------------------------------------
  37 // System dependent headers
  38
  39 #if defined(WXMMEDIA_INTERNAL) && (defined(__X__) || defined(__WXGTK__))
  40 #include <X11/Xlib.h>
  41 #include <X11/Xatom.h>
  42 #endif
  43
  44 // ----------------------------------------------------------------------------
  45 // wxMMedia2 headers
  46
  47 #include "wx/mmedia/defs.h"
  48 #include "wx/mmedia/vidbase.h"
  49
  50 // ----------------------------------------------------------------------------
  51 // Internal types
  52
  53 #ifdef WXMMEDIA_INTERNAL
  54 typedef struct wxXANIMinternal {
  55     Display *xanim_dpy;
  56     Window xanim_window;
  57     Atom xanim_atom, xanim_ret;
  58 } wxXANIMinternal;
  59
  60 #ifndef __XANIM_COMMAND__
  61     #define __XANIM_COMMAND__ "/usr/X11R6/bin/xanim"
  62 #endif
  63
  64 #endif
  65
  66 // ----------------------------------------------------------------------------
  67 // Class definition
  68
  69 class WXDLLIMPEXP_MMEDIA wxVideoXANIM : public wxVideoBaseDriver {
  70     DECLARE_DYNAMIC_CLASS(wxVideoXANIM)
  71  protected:
  72     // Remember the state of the subprocess
  73     bool m_xanim_started, m_paused;
  74     // Pure X11 variables
  75     struct wxXANIMinternal *m_internal;
  76     wxString m_filename;
  77     wxProcess *m_xanim_detector;
  78     // Remember to delete the temporary file when necessary
  79     bool m_remove_file;
  80     wxUint32 m_size[2];
  81     wxUint32 m_sampleRate;
  82     wxUint8 m_channels;
  83     wxUint8 m_bps;
  84     wxUint32 m_frames;
  85     double m_frameRate;
  86     wxString m_movieCodec, m_audioCodec;
  87
  88  public:
  89     wxVideoXANIM();
  90     wxVideoXANIM(wxInputStream& str);
  91     wxVideoXANIM(const wxString& filename);
  92     ~wxVideoXANIM();
  93
  94     bool Play();
  95     bool Pause();
  96     bool Resume();
  97     bool Stop();
  98
  99     bool SetVolume(wxUint8 vol);
 100     bool SetSize(wxSize size);
 101     bool GetSize(wxSize& size) const;
 102
 103     // Return the video codec name
 104     wxString GetMovieCodec() const;
 105     // Return the audio codec name
 106     wxString GetAudioCodec() const;
 107     // Return misc info about audio
 108     wxUint32 GetSampleRate() const;
 109     wxUint8 GetChannels() const;
 110     wxUint8 GetBPS() const;
 111     // Return frame rate
 112     double GetFrameRate() const;
 113     // Return number of frames in the movie
 114     wxUint32 GetNbFrames() const;
 115
 116     bool IsCapable(wxVideoType v_type) const;
 117
 118     bool AttachOutput(wxWindow& output);
 119     void DetachOutput();
 120
 121     bool IsPaused() const;
 122     bool IsStopped() const;
 123
 124     friend class wxVideoXANIMProcess;
 125
 126 protected:
 127     // Start the subprocess with the right parameters
 128     bool RestartXANIM();
 129     // Send a command to the subprocess
 130     bool SendCommand(const char *command,char **ret = NULL,
 131                      wxUint32 *size = NULL);
 132
 133     // Collect informations from XAnim
 134     bool CollectInfo();
 135 };
 136
 137 #endif