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