wxWidgets/contrib/include/wx/mmedia/sndwin.h
2004-11-22 20:05:26 +00:00

68 lines
1.8 KiB
C++

// --------------------------------------------------------------------------
// Name: sndwin.h
// Purpose:
// Date: 08/11/1999
// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
// CVSID: $Id$
// License: wxWindows license
// --------------------------------------------------------------------------
#ifndef _WX_SNDWIN_H
#define _WX_SNDWIN_H
#include "wx/defs.h"
#include "wx/mmedia/defs.h"
#include "wx/mmedia/sndbase.h"
typedef struct _wxSoundInternal wxSoundInternal;
typedef struct _wxSoundInfoHeader wxSoundInfoHeader;
// class WXDLLIMPEXP_MMEDIA wxSoundInternal;
class WXDLLIMPEXP_MMEDIA wxSoundStreamWin : public wxSoundStream {
public:
wxSoundStreamWin();
~wxSoundStreamWin();
wxSoundStream& Write(const void *buffer, wxUint32 len);
wxSoundStream& Read(void *buffer, wxUint32 len);
bool SetSoundFormat(const wxSoundFormatBase& base);
bool StartProduction(int evt);
bool StopProduction();
bool QueueFilled() const;
// Internal but defined as public
void NotifyDoneBuffer(wxUint32 dev_handle, int flag);
wxUint32 GetBestSize() const { return 4096; }
protected:
wxSoundInternal *m_internal;
wxUint32 m_current_frag_in, m_current_frag_out;
wxUint32 m_input_frag_in, m_output_frag_out;
wxSoundInfoHeader **m_headers_play, **m_headers_rec;
bool m_production_started, m_queue_filled, m_waiting_for;
protected:
void CreateSndWindow();
void DestroySndWindow();
bool OpenDevice(int mode);
void CloseDevice();
wxSoundInfoHeader *AllocHeader(int mode);
void FreeHeader(wxSoundInfoHeader *header, int mode);
bool AllocHeaders(int mode);
void FreeHeaders(int mode);
void WaitFor(wxSoundInfoHeader *info);
bool AddToQueue(wxSoundInfoHeader *info);
void ClearHeader(wxSoundInfoHeader *info);
wxSoundInfoHeader *NextFragmentOutput();
wxSoundInfoHeader *NextFragmentInput();
};
#endif