/[pcsx2_0.9.7]/branch/r3113_0.9.7_beta/3rdparty/wxWidgets/src/msw/sound.cpp
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Contents of /branch/r3113_0.9.7_beta/3rdparty/wxWidgets/src/msw/sound.cpp

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Revision 32 - (show annotations) (download)
Tue Sep 7 03:29:01 2010 UTC (9 years, 11 months ago) by william
File size: 5154 byte(s)
branching from upstream revision (http://pcsx2.googlecode.com/svn/trunk
): r3113 to
https://svn.netsolutions.dnsalias.com/websvn/ps2/pcsx2/pcsx2_0.9.7/branch/r3113_0.9.7_beta
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: sound.cpp
3 // Purpose: wxSound
4 // Author: Julian Smart
5 // Modified by: 2005-07-29: Vadim Zeitlin: redesign
6 // Created: 04/01/98
7 // RCS-ID: $Id: sound.cpp 35650 2005-09-23 12:56:45Z MR $
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #if defined(__BORLANDC__)
24 #pragma hdrstop
25 #endif
26
27 #if wxUSE_SOUND
28
29 #include "wx/sound.h"
30 #include "wx/msw/private.h"
31
32 #include <mmsystem.h>
33
34 // ----------------------------------------------------------------------------
35 // wxSoundData
36 // ----------------------------------------------------------------------------
37
38 // ABC for different sound data representations
39 class wxSoundData
40 {
41 public:
42 wxSoundData() { }
43
44 // return true if we had been successfully initialized
45 virtual bool IsOk() const = 0;
46
47 // get the flag corresponding to our content for PlaySound()
48 virtual DWORD GetSoundFlag() const = 0;
49
50 // get the data to be passed to PlaySound()
51 virtual LPCTSTR GetSoundData() const = 0;
52
53 virtual ~wxSoundData() { }
54 };
55
56 // class for in-memory sound data
57 class wxSoundDataMemory : public wxSoundData
58 {
59 public:
60 // we copy the data
61 wxSoundDataMemory(int size, const wxByte *buf);
62
63 void *GetPtr() const { return m_waveDataPtr; }
64
65 virtual bool IsOk() const { return GetPtr() != NULL; }
66 virtual DWORD GetSoundFlag() const { return SND_MEMORY; }
67 virtual LPCTSTR GetSoundData() const { return (LPCTSTR)GetPtr(); }
68
69 private:
70 GlobalPtr m_waveData;
71 GlobalPtrLock m_waveDataPtr;
72
73 DECLARE_NO_COPY_CLASS(wxSoundDataMemory)
74 };
75
76 // class for sound files and resources
77 class wxSoundDataFile : public wxSoundData
78 {
79 public:
80 wxSoundDataFile(const wxString& filename, bool isResource);
81
82 virtual bool IsOk() const { return !m_name.empty(); }
83 virtual DWORD GetSoundFlag() const
84 {
85 return m_isResource ? SND_RESOURCE : SND_FILENAME;
86 }
87 virtual LPCTSTR GetSoundData() const { return m_name.c_str(); }
88
89 private:
90 const wxString m_name;
91 const bool m_isResource;
92
93 DECLARE_NO_COPY_CLASS(wxSoundDataFile)
94 };
95
96 // ============================================================================
97 // implementation
98 // ============================================================================
99
100 // ----------------------------------------------------------------------------
101 // wxSoundData-derived classes
102 // ----------------------------------------------------------------------------
103
104 wxSoundDataMemory::wxSoundDataMemory(int size, const wxByte *buf)
105 : m_waveData(size),
106 m_waveDataPtr(m_waveData)
107 {
108 if ( IsOk() )
109 ::CopyMemory(m_waveDataPtr, buf, size);
110 }
111
112 wxSoundDataFile::wxSoundDataFile(const wxString& filename, bool isResource)
113 : m_name(filename),
114 m_isResource(isResource)
115 {
116 // check for file/resource existence?
117 }
118
119 // ----------------------------------------------------------------------------
120 // wxSound
121 // ----------------------------------------------------------------------------
122
123 wxSound::wxSound()
124 {
125 Init();
126 }
127
128 wxSound::wxSound(const wxString& filename, bool isResource)
129 {
130 Init();
131 Create(filename, isResource);
132 }
133
134 wxSound::wxSound(int size, const wxByte *data)
135 {
136 Init();
137 Create(size, data);
138 }
139
140 wxSound::~wxSound()
141 {
142 Free();
143 }
144
145 void wxSound::Free()
146 {
147 if ( m_data )
148 {
149 delete m_data;
150 m_data = NULL;
151 }
152 }
153
154 bool wxSound::CheckCreatedOk()
155 {
156 if ( m_data && !m_data->IsOk() )
157 Free();
158
159 return m_data != NULL;
160 }
161
162 bool wxSound::Create(const wxString& filename, bool isResource)
163 {
164 Free();
165
166 m_data = new wxSoundDataFile(filename, isResource);
167
168 return CheckCreatedOk();
169 }
170
171 bool wxSound::Create(int size, const wxByte* data)
172 {
173 Free();
174
175 m_data = new wxSoundDataMemory(size, data);
176
177 return CheckCreatedOk();
178 }
179
180 bool wxSound::DoPlay(unsigned flags) const
181 {
182 if ( !IsOk() || !m_data->IsOk() )
183 return false;
184
185 DWORD flagsMSW = m_data->GetSoundFlag();
186 HMODULE hmod = flagsMSW == SND_RESOURCE ? wxGetInstance() : NULL;
187
188 // we don't want replacement default sound
189 flagsMSW |= SND_NODEFAULT;
190
191 // NB: wxSOUND_SYNC is 0, don't test for it
192 flagsMSW |= (flags & wxSOUND_ASYNC) ? SND_ASYNC : SND_SYNC;
193 if ( flags & wxSOUND_LOOP )
194 {
195 // looping only works with async flag
196 flagsMSW |= SND_LOOP | SND_ASYNC;
197 }
198
199 return ::PlaySound(m_data->GetSoundData(), hmod, flagsMSW) != FALSE;
200 }
201
202 /* static */
203 void wxSound::Stop()
204 {
205 ::PlaySound(NULL, NULL, 0);
206 }
207
208 #endif // wxUSE_SOUND
209

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