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