wxWidgets/contrib/include/wx/mmedia/sndulaw.h
2004-11-22 20:05:26 +00:00

70 lines
1.6 KiB
C++

// --------------------------------------------------------------------------
// Name: sndulaw.h
// Purpose:
// Date: 08/11/1999
// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
// CVSID: $Id$
// License: wxWindows license
// --------------------------------------------------------------------------
#ifndef _WX_SNDULAW_H
#define _WX_SNDULAW_H
#ifdef __GNUG__
#pragma interface "sndulaw.h"
#endif
#include "wx/defs.h"
#include "wx/mmedia/defs.h"
#include "wx/mmedia/sndcodec.h"
#include "wx/mmedia/sndbase.h"
//
// ULAW format
//
class WXDLLIMPEXP_MMEDIA wxSoundFormatUlaw: public wxSoundFormatBase {
public:
wxSoundFormatUlaw();
~wxSoundFormatUlaw();
void SetSampleRate(wxUint32 srate);
wxUint32 GetSampleRate() const;
void SetChannels(wxUint8 channels);
wxUint8 GetChannels() const;
wxSoundFormatType GetType() const { return wxSOUND_ULAW; }
wxSoundFormatBase *Clone() const;
wxUint32 GetTimeFromBytes(wxUint32 bytes) const;
wxUint32 GetBytesFromTime(wxUint32 time) const;
bool operator !=(const wxSoundFormatBase& frmt2) const;
protected:
wxUint32 m_srate;
wxUint8 m_channels;
};
//
// ULAW converter class
//
class WXDLLIMPEXP_MMEDIA wxSoundRouterStream;
class WXDLLIMPEXP_MMEDIA wxSoundStreamUlaw: public wxSoundStreamCodec {
public:
wxSoundStreamUlaw(wxSoundStream& sndio);
~wxSoundStreamUlaw();
wxSoundStream& Read(void *buffer, wxUint32 len);
wxSoundStream& Write(const void *buffer, wxUint32 len);
bool SetSoundFormat(const wxSoundFormatBase& format);
wxUint32 GetBestSize() const;
protected:
wxSoundRouterStream *m_router;
};
#endif