wxWidgets/contrib/include/wx/mmedia/sndcpcm.h
Guilhem Lavaux c42b1de68a wxMMedia doc updates
wxMMedia compilation fixes
OGL and STC makefile build fixes


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7528 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-06-04 08:38:36 +00:00

55 lines
1.4 KiB
C++

// --------------------------------------------------------------------------
// Name: sndcpcm.h
// Purpose:
// Date: 08/11/1999
// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
// CVSID: $Id$
// --------------------------------------------------------------------------
#ifndef _WX_SNDCPCM_H
#define _WX_SNDCPCM_H
#ifdef __GNUG__
#pragma interface "sndcpcm.h"
#endif
#include "wx/defs.h"
#include "wx/mmedia/sndbase.h"
#include "wx/mmedia/sndcodec.h"
//
// PCM converter class
//
class WXDLLEXPORT wxSoundStreamPcm: public wxSoundStreamCodec {
public:
typedef void (*ConverterType)(const void *buf_in, void *buf_out,
wxUint32 len);
wxSoundStreamPcm(wxSoundStream& sndio);
~wxSoundStreamPcm();
wxSoundStream& Read(void *buffer, wxUint32 len);
wxSoundStream& Write(const void *buffer, wxUint32 len);
bool SetSoundFormat(const wxSoundFormatBase& format);
wxUint32 GetBestSize() const;
protected:
wxUint32 GetReadSize(wxUint32 len) const;
wxUint32 GetWriteSize(wxUint32 len) const;
protected:
ConverterType m_function_out, m_function_in;
// Static temporary buffer
char *m_prebuffer;
wxUint32 m_prebuffer_size;
// Estimated best size to fit into the static buffer
wxUint32 m_best_size;
// Multiplier for IO buffer size
float m_multiplier_in, m_multiplier_out;
};
#endif