wxWidgets/contrib/include/wx/mmedia/vidbase.h
2004-06-16 15:22:59 +00:00

113 lines
3.2 KiB
C++

// /////////////////////////////////////////////////////////////////////////////
// Name: vidbase.h
// Purpose: wxMMedia
// Author: Guilhem Lavaux
// Created: 1997
// Updated: 1998
// Copyright: (C) 1997, 1998, Guilhem Lavaux
// CVS: $Id$
// License: wxWindows license
// /////////////////////////////////////////////////////////////////////////////
/* Real -*- C++ -*- */
#ifndef __VID_bdrv_H__
#define __VID_bdrv_H__
#ifdef __GNUG__
#pragma interface "vidbase.h"
#endif
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers
#ifndef WX_PRECOMP
#include "wx/defs.h"
#include "wx/stream.h"
#include "wx/string.h"
#include "wx/window.h"
#include "wx/frame.h"
#endif
#include "wx/mmedia/defs.h"
// ----------------------------------------------------------------------------
// wxMMedia2 (video) types
typedef enum {
wxVIDEO_MSAVI,
wxVIDEO_MPEG,
wxVIDEO_QT,
wxVIDEO_GIF,
wxVIDEO_JMOV,
wxVIDEO_FLI,
wxVIDEO_IFF,
wxVIDEO_SGI,
wxVIDEO_MPEG2
} wxVideoType;
// ----------------------------------------------------------------------------
// Classes definition
class WXDLLIMPEXP_MMEDIA wxVideoBaseDriver : public wxObject {
DECLARE_ABSTRACT_CLASS(wxVideoBaseDriver)
protected:
wxWindow *m_video_output;
public:
// Ctors
wxVideoBaseDriver();
wxVideoBaseDriver(wxInputStream& str);
wxVideoBaseDriver(const wxString& filename);
// Dtor
virtual ~wxVideoBaseDriver();
// Usual functions ... They all return false in case of errors.
virtual bool Play() = 0;
virtual bool Stop() = 0;
virtual bool Pause() = 0;
virtual bool Resume() = 0;
// Size management
virtual bool SetSize(wxSize size) = 0;
virtual bool GetSize(wxSize& size) const = 0;
// Test the capability of the driver to handle the specified type
virtual bool IsCapable(wxVideoType WXUNUSED(v_type)) const { return false; }
// Return the video codec name
virtual wxString GetMovieCodec() const = 0;
// Return the audio codec name
virtual wxString GetAudioCodec() const = 0;
// Return misc info about audio
virtual wxUint32 GetSampleRate() const = 0;
virtual wxUint8 GetChannels() const = 0;
virtual wxUint8 GetBPS() const = 0;
// Return frame rate
virtual double GetFrameRate() const = 0;
// Return number of frames
virtual wxUint32 GetNbFrames() const = 0;
// Called when the movie finished
virtual void OnFinished() {}
// Attaches the video output to a window. The video will be shown in that window.
virtual bool AttachOutput(wxWindow& output);
virtual void DetachOutput();
// They return the state of the movie.
virtual bool IsPaused() const = 0;
virtual bool IsStopped() const = 0;
};
WXDLLIMPEXP_MMEDIA wxFrame *wxVideoCreateFrame(wxVideoBaseDriver *vid_drv);
#endif