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