contrib/include/wx/mmedia/sndoss.h

   1 // --------------------------------------------------------------------------
   2 // Name: sndoss.h
   3 // Purpose:
   4 // Date: 08/11/1999
   5 // Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
   6 // CVSID: $Id$
   7 // License:    wxWindows license
   8 // --------------------------------------------------------------------------
   9 #ifndef _WX_SNDOSS_H
  10 #define _WX_SNDOSS_H
  11
  12 #include "wx/defs.h"
  13 #include "wx/string.h"
  14 #include "wx/mmedia/defs.h"
  15 #include "wx/mmedia/sndbase.h"
  16 #include "wx/mmedia/sndpcm.h"
  17
  18 //
  19 // OSS output class
  20 //
  21
  22 class WXDLLIMPEXP_MMEDIA wxSoundStreamOSS : public wxSoundStream {
  23  public:
  24   wxSoundStreamOSS(const wxString& dev_name = wxT("/dev/dsp"));
  25   ~wxSoundStreamOSS();
  26
  27   wxSoundStream& Read(void *buffer, wxUint32 len);
  28   wxSoundStream& Write(const void *buffer, wxUint32 len);
  29   wxUint32 GetBestSize() const;
  30
  31   bool SetSoundFormat(const wxSoundFormatBase& format);
  32
  33   bool StartProduction(int evt);
  34   bool StopProduction();
  35
  36   bool QueueFilled() const;
  37
  38   // You should not call this.
  39   void WakeUpEvt(int evt);
  40  protected:
  41   // OSS device
  42   int m_fd;
  43   wxUint32 m_bufsize;
  44   int m_tag;
  45   bool m_oss_stop, m_oss_ok, m_q_filled;
  46   wxString m_devname;
  47
  48  private:
  49   bool SetupFormat(wxSoundFormatPcm *pcm);
  50   void DetectBest(wxSoundFormatPcm *pcm);
  51 };
  52
  53 #endif