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1// --------------------------------------------------------------------------
2// Name: sndwin.h
3// Purpose:
4// Date: 08/11/1999
5// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
6// CVSID: $Id$
05aa8cf3 7// License: wxWindows license
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8// --------------------------------------------------------------------------
9#ifndef _WX_SNDWIN_H
10#define _WX_SNDWIN_H
11
12#include "wx/defs.h"
15e8daec 13#include "wx/mmedia/defs.h"
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14#include "wx/mmedia/sndbase.h"
15
16typedef struct _wxSoundInternal wxSoundInternal;
17typedef struct _wxSoundInfoHeader wxSoundInfoHeader;
18
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19// class WXDLLIMPEXP_MMEDIA wxSoundInternal;
20class WXDLLIMPEXP_MMEDIA wxSoundStreamWin : public wxSoundStream {
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21 public:
22 wxSoundStreamWin();
23 ~wxSoundStreamWin();
24
25 wxSoundStream& Write(const void *buffer, wxUint32 len);
26 wxSoundStream& Read(void *buffer, wxUint32 len);
27
2bbf230a 28 bool SetSoundFormat(const wxSoundFormatBase& base);
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29
30 bool StartProduction(int evt);
31 bool StopProduction();
32
33 bool QueueFilled() const;
34
35 // Internal but defined as public
36 void NotifyDoneBuffer(wxUint32 dev_handle, int flag);
37
38 wxUint32 GetBestSize() const { return 4096; }
39
40 protected:
41 wxSoundInternal *m_internal;
42 wxUint32 m_current_frag_in, m_current_frag_out;
43 wxUint32 m_input_frag_in, m_output_frag_out;
44 wxSoundInfoHeader **m_headers_play, **m_headers_rec;
45
46 bool m_production_started, m_queue_filled, m_waiting_for;
47
48 protected:
49 void CreateSndWindow();
50 void DestroySndWindow();
51 bool OpenDevice(int mode);
52 void CloseDevice();
53
54 wxSoundInfoHeader *AllocHeader(int mode);
55 void FreeHeader(wxSoundInfoHeader *header, int mode);
56 bool AllocHeaders(int mode);
57 void FreeHeaders(int mode);
58
59 void WaitFor(wxSoundInfoHeader *info);
60 bool AddToQueue(wxSoundInfoHeader *info);
61 void ClearHeader(wxSoundInfoHeader *info);
62
63 wxSoundInfoHeader *NextFragmentOutput();
64 wxSoundInfoHeader *NextFragmentInput();
65};
66
67#endif