utils/wxMMedia2/lib/sndwav.h

   1 // --------------------------------------------------------------------------
   2 // Name: sndwav.h
   3 // Purpose:
   4 // Date: 08/11/1999
   5 // Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
   6 // CVSID: $Id$
   7 // --------------------------------------------------------------------------
   8 #ifndef _WX_SNDWAV_H
   9 #define _WX_SNDWAV_H
  10
  11 #ifdef __GNUG__
  12 #pragma interface "sndwav.h"
  13 #endif
  14
  15 #include <wx/defs.h>
  16 #include <wx/stream.h>
  17 #include <wx/datstrm.h>
  18 #include "sndbase.h"
  19 #include "sndcodec.h"
  20 #include "sndfile.h"
  21
  22 //
  23 // WAVE codec
  24 //
  25
  26 class wxSoundWave: public wxSoundFileStream {
  27  public:
  28   wxSoundWave(wxInputStream& stream, wxSoundStream& io_sound);
  29   wxSoundWave(wxOutputStream& stream, wxSoundStream& io_sound);
  30   ~wxSoundWave();
  31
  32   bool CanRead();
  33
  34  protected:
  35   bool PrepareToPlay();
  36   bool PrepareToRecord(unsigned long time);
  37   bool FinishRecording();
  38
  39   wxUint32 GetData(void *buffer, wxUint32 len);
  40   wxUint32 PutData(const void *buffer, wxUint32 len);
  41
  42   bool HandleOutputPCM(wxDataInputStream& data, wxUint16 channels,
  43                  wxUint32 sample_fq, wxUint32 byte_p_sec,
  44                  wxUint16 byte_p_spl, wxUint16 bits_p_spl);
  45   bool HandleOutputG721(wxDataInputStream& data, wxUint16 channels,
  46                   wxUint32 sample_fq, wxUint32 byte_p_sec,
  47                   wxUint16 byte_p_spl, wxUint16 bits_p_spl);
  48   wxSoundFormatBase *HandleInputPCM(wxDataOutputStream& data);
  49   wxSoundFormatBase *HandleInputG72X(wxDataOutputStream& data);
  50 };
  51
  52 #endif