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1// --------------------------------------------------------------------------
2// Name: sndbase.cpp
3// Purpose:
4// Date: 08/11/1999
5// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
6// CVSID: $Id$
7// --------------------------------------------------------------------------
8#ifdef __GNUG__
9#pragma implementation "sndbase.cpp"
10#endif
11
6c5e6376 12#include <wx/wxprec.h>
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13#include "sndbase.h"
14
15
16// ---------------------------------------------------------------------------
17// wxSoundFormatBase
18// ---------------------------------------------------------------------------
19
20wxSoundFormatBase::wxSoundFormatBase()
21{
22}
23
24wxSoundFormatBase::~wxSoundFormatBase()
25{
26}
27
28wxSoundFormatBase *wxSoundFormatBase::Clone() const
29{
30 return NULL;
31}
32
33bool wxSoundFormatBase::operator!=(const wxSoundFormatBase& frmt2) const
34{
35 return (GetType() != frmt2.GetType());
36}
37
38// ---------------------------------------------------------------------------
39// wxSoundStream
40// ---------------------------------------------------------------------------
41
42wxSoundStream::wxSoundStream()
43{
44 int i;
45
46 m_sndformat = NULL;
47 m_handler = NULL;
48 m_snderror = wxSOUND_NOERR;
49 m_lastcount = 0;
50 for (i=0;i<2;i++)
51 m_callback[i] = NULL;
52}
53
54wxSoundStream::~wxSoundStream()
55{
56 if (m_sndformat)
57 delete m_sndformat;
58}
59
60// SetSoundFormat returns TRUE when the format can be handled.
61bool wxSoundStream::SetSoundFormat(const wxSoundFormatBase& format)
62{
63 if (m_sndformat)
64 delete m_sndformat;
65
66 m_sndformat = format.Clone();
67 return TRUE;
68}
69
70// Register a callback for a specified async event.
71void wxSoundStream::Register(int evt, wxSoundCallback cbk, char *cdata)
72{
73 int c;
74
75 switch (evt) {
76 case wxSOUND_INPUT:
77 c = 0;
78 break;
79 case wxSOUND_OUTPUT:
80 c = 1;
81 break;
82 default:
83 return;
84 }
85 m_callback[c] = cbk;
86 m_cdata[c] = cdata;
87}
88
89void wxSoundStream::OnSoundEvent(int evt)
90{
91 int c;
92
93 if (m_handler) {
94 m_handler->OnSoundEvent(evt);
95 return;
96 }
97
98 switch (evt) {
99 case wxSOUND_INPUT:
100 c = 0;
101 break;
102 case wxSOUND_OUTPUT:
103 c = 1;
104 break;
105 default:
106 return;
107 }
108 if (m_callback[c])
109 m_callback[c](this, evt, m_cdata[c]);
110}