utils/wxMMedia2/lib/sndpcm.h

   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 "sndbase.h"
  17
  18 //
  19 // PCM specification class
  20 //
  21
  22 class wxSoundFormatPcm : public wxSoundFormatBase {
  23  public:
  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
  49  protected:
  50   wxUint32 m_srate;
  51   wxUint8 m_bps;
  52   wxUint16 m_nchan;
  53   int m_order;
  54   bool m_signed;
  55 };
  56
  57 #endif