utils/wxMMedia2/lib/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/string.h>
  16 #include "sndbase.h"
  17 #include "sndpcm.h"
  18
  19 //
  20 // OSS output class
  21 //
  22
  23 class wxSoundStreamOSS : public wxSoundStream {
  24  public:
  25   wxSoundStreamOSS(const wxString& dev_name = _T("/dev/dsp"));
  26   ~wxSoundStreamOSS();
  27
  28   wxSoundStream& Read(void *buffer, wxUint32 len);
  29   wxSoundStream& Write(const void *buffer, wxUint32 len);
  30   wxUint32 GetBestSize() const;
  31
  32   bool SetSoundFormat(const wxSoundFormatBase& format);
  33
  34   bool StartProduction(int evt);
  35   bool StopProduction();
  36
  37   bool QueueFilled() const;
  38
  39   // You should not call this.
  40   void WakeUpEvt(int evt);
  41  protected:
  42   int m_fd;
  43   wxUint32 m_bufsize;
  44   int m_tag;
  45   bool m_oss_stop, m_q_filled;
  46   wxString m_devname;
  47
  48  private:
  49   bool SetupFormat(wxSoundFormatPcm *pcm);
  50   void DetectBest(wxSoundFormatPcm *pcm);
  51 };
  52
  53 #endif