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