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Copy some missing samples, and contrib for Motif/Mac
[wxWidgets.git] / contrib / include / wx / mmedia / sndcpcm.h
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1// --------------------------------------------------------------------------
2// Name: sndcpcm.h
3// Purpose:
4// Date: 08/11/1999
5// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
6// CVSID: $Id$
7// --------------------------------------------------------------------------
8#ifndef _WX_SNDCPCM_H
9#define _WX_SNDCPCM_H
10
11#ifdef __GNUG__
12#pragma interface "sndcpcm.h"
13#endif
14
15#include "wx/defs.h"
16#include "wx/mmedia/defs.h"
17#include "wx/mmedia/sndbase.h"
18#include "wx/mmedia/sndcodec.h"
19
20//
21// PCM converter class
22//
23
24class WXDLLIMPEXP_MMEDIA wxSoundStreamPcm: public wxSoundStreamCodec {
25public:
26 typedef void (*ConverterType)(const void *buf_in, void *buf_out,
27 wxUint32 len);
28
29 wxSoundStreamPcm(wxSoundStream& sndio);
30 ~wxSoundStreamPcm();
31
32 wxSoundStream& Read(void *buffer, wxUint32 len);
33 wxSoundStream& Write(const void *buffer, wxUint32 len);
34
35 bool SetSoundFormat(const wxSoundFormatBase& format);
36
37 wxUint32 GetBestSize() const;
38
39protected:
40 wxUint32 GetReadSize(wxUint32 len) const;
41 wxUint32 GetWriteSize(wxUint32 len) const;
42
43protected:
44 ConverterType m_function_out, m_function_in;
45
46 // Static temporary buffer
47 char *m_prebuffer;
48 wxUint32 m_prebuffer_size;
49 // Estimated best size to fit into the static buffer
50 wxUint32 m_best_size;
51 // Multiplier for IO buffer size
52 float m_multiplier_in, m_multiplier_out;
53};
54
55#endif