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[wxWidgets.git] / contrib / include / wx / mmedia / sndpcm.h
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1// --------------------------------------------------------------------------
2// Name: sndpcm.h
3// Purpose:
4// Date: 08/11/1999
5// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
6// CVSID: $Id$
7// --------------------------------------------------------------------------
8#ifndef _WX_SNDPCM_H
9#define _WX_SNDPCM_H
10
11#ifdef __GNUG__
12#pragma interface "sndpcm.h"
13#endif
14
15#include "wx/defs.h"
16#include "wx/mmedia/sndbase.h"
17
18//
19// PCM specification class
20//
21
22class wxSoundFormatPcm : public wxSoundFormatBase {
23public:
24 wxSoundFormatPcm(wxUint32 srate = 22500, wxUint8 bps = 8,
25 wxUint16 channels = 2, bool sign = TRUE,
26 int order = wxLITTLE_ENDIAN);
27 ~wxSoundFormatPcm();
28
29 void SetSampleRate(wxUint32 srate);
30 void SetBPS(wxUint8 bps);
31 void SetChannels(wxUint16 nchannels);
32 void SetOrder(int order);
33 void Signed(bool sign);
34
35 wxUint32 GetSampleRate() const { return m_srate; }
36 wxUint8 GetBPS() const { return m_bps; }
37 wxUint16 GetChannels() const { return m_nchan; }
38 int GetOrder() const { return m_order; }
39 bool Signed() const { return m_signed; }
40
41 wxSoundFormatType GetType() const { return wxSOUND_PCM; }
42 wxSoundFormatBase *Clone() const;
43
44 wxUint32 GetTimeFromBytes(wxUint32 bytes) const;
45 wxUint32 GetBytesFromTime(wxUint32 time) const;
46
47 bool operator!=(const wxSoundFormatBase& frmt2) const;
48
49protected:
50 wxUint32 m_srate;
51 wxUint8 m_bps;
52 wxUint16 m_nchan;
53 int m_order;
54 bool m_signed;
55};
56
57#endif