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 // --------------------------------------------------------------------------
   8 #ifndef _WX_SNDOSS_H
   9 #define _WX_SNDOSS_H
  10
  11 #ifdef __GNUG__
  12 #pragma interface "sndoss.h"
  13 #endif
  14
  15 #include "wx/defs.h"
  16 #include "wx/string.h"
  17 #include "wx/mmedia/sndbase.h"
  18 #include "wx/mmedia/sndpcm.h"
  19
  20 //
  21 // OSS output class
  22 //
  23
  24 class WXDLLEXPORT wxSoundStreamOSS : public wxSoundStream {
  25  public:
  26   wxSoundStreamOSS(const wxString& dev_name = wxT("/dev/dsp"));
  27   ~wxSoundStreamOSS();
  28
  29   wxSoundStream& Read(void *buffer, wxUint32 len);
  30   wxSoundStream& Write(const void *buffer, wxUint32 len);
  31   wxUint32 GetBestSize() const;
  32
  33   bool SetSoundFormat(const wxSoundFormatBase& format);
  34
  35   bool StartProduction(int evt);
  36   bool StopProduction();
  37
  38   bool QueueFilled() const;
  39
  40   // You should not call this.
  41   void WakeUpEvt(int evt);
  42  protected:
  43   // OSS device
  44   int m_fd;
  45   wxUint32 m_bufsize;
  46   int m_tag;
  47   bool m_oss_stop, m_oss_ok, m_q_filled;
  48   wxString m_devname;
  49
  50  private:
  51   bool SetupFormat(wxSoundFormatPcm *pcm);
  52   void DetectBest(wxSoundFormatPcm *pcm);
  53 };
  54
  55 #endif