wxWidgets/utils/wxMMedia2/lib/sndulaw.h
Guilhem Lavaux 0662cd3286 Implemented Read in the PCM converter
Changed size_t to wxUint32
Added support for G72X
WAV format multi-codec handling


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-08-27 17:40:40 +00:00

62 lines
1.4 KiB
C++

// --------------------------------------------------------------------------
// Name: sndulaw.h
// Purpose:
// Date: 08/11/1999
// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
// CVSID: $Id$
// --------------------------------------------------------------------------
#ifndef _WX_SNDULAW_H
#define _WX_SNDULAW_H
#ifdef __GNUG__
#pragma interface "sndulaw.h"
#endif
#include <stddef.h>
#include "sndcodec.h"
#include "sndbase.h"
//
// ULAW format
//
class WXDLLEXPORT wxSoundFormatUlaw: public wxSoundFormatBase {
public:
wxSoundFormatUlaw();
~wxSoundFormatUlaw();
void SetSampleRate(wxUint32 srate);
wxUint32 GetSampleRate() 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;
};
//
// ULAW converter class
//
class WXDLLEXPORT wxSoundRouterStream;
class WXDLLEXPORT 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);
protected:
wxSoundRouterStream *m_router;
};
#endif