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