1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>SFML - Simple and Fast Multimedia Library</title>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="tabs.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="logo">
<img src="./logo.jpg" width="770" height="200" title="SFML home" alt="SFML logo" />
</div>
<!-- Generated by Doxygen 1.5.8 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.htm"><span>Main Page</span></a></li>
<li><a href="namespaces.htm"><span>Namespaces</span></a></li>
<li><a href="annotated.htm"><span>Classes</span></a></li>
<li class="current"><a href="files.htm"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.htm"><span>File List</span></a></li>
</ul>
</div>
<h1>SoundBuffer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// SFML - Simple and Fast Multimedia Library</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is provided 'as-is', without any express or implied warranty.</span>
<a name="l00007"></a>00007 <span class="comment">// In no event will the authors be held liable for any damages arising from the use of this software.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Permission is granted to anyone to use this software for any purpose,</span>
<a name="l00010"></a>00010 <span class="comment">// including commercial applications, and to alter it and redistribute it freely,</span>
<a name="l00011"></a>00011 <span class="comment">// subject to the following restrictions:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// 1. The origin of this software must not be misrepresented;</span>
<a name="l00014"></a>00014 <span class="comment">// you must not claim that you wrote the original software.</span>
<a name="l00015"></a>00015 <span class="comment">// If you use this software in a product, an acknowledgment</span>
<a name="l00016"></a>00016 <span class="comment">// in the product documentation would be appreciated but is not required.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// 2. Altered source versions must be plainly marked as such,</span>
<a name="l00019"></a>00019 <span class="comment">// and must not be misrepresented as being the original software.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// 3. This notice may not be removed or altered from any source distribution.</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment">// Headers</span>
<a name="l00028"></a>00028 <span class="comment"></span><span class="preprocessor">#include <SFML/Audio/SoundBuffer.hpp></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <SFML/Audio/SoundFile.hpp></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <SFML/Audio/AudioDevice.hpp></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <SFML/Audio/OpenAL.hpp></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <iostream></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <memory></span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">namespace </span>sf
<a name="l00037"></a>00037 {
<a name="l00041"></a><a class="code" href="classsf_1_1SoundBuffer.htm#0cabfbfe19b831bf7d5c9592d92ef233">00041</a> <a class="code" href="classsf_1_1SoundBuffer.htm#0cabfbfe19b831bf7d5c9592d92ef233" title="Default constructor.">SoundBuffer::SoundBuffer</a>() :
<a name="l00042"></a>00042 myBuffer (0),
<a name="l00043"></a>00043 myDuration(0.f)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="comment">// Create the buffer</span>
<a name="l00046"></a>00046 ALCheck(alGenBuffers(1, &myBuffer));
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00053"></a><a class="code" href="classsf_1_1SoundBuffer.htm#deb60002d4c4a4d8511fb5aa7225224b">00053</a> <a class="code" href="classsf_1_1SoundBuffer.htm#0cabfbfe19b831bf7d5c9592d92ef233" title="Default constructor.">SoundBuffer::SoundBuffer</a>(<span class="keyword">const</span> <a class="code" href="classsf_1_1SoundBuffer.htm" title="SoundBuffer is the low-level for loading and manipulating sound buffers.">SoundBuffer</a>& Copy) :
<a name="l00054"></a>00054 <a class="code" href="classsf_1_1AudioResource.htm" title="Abstract base class for every class that owns a device-dependant resource -- allow...">AudioResource</a> (Copy),
<a name="l00055"></a>00055 <a class="code" href="classsf_1_1Resource.htm" title="Base class for every resource that needs to notify dependent classes about its destruction...">Resource</a><<a class="code" href="classsf_1_1SoundBuffer.htm" title="SoundBuffer is the low-level for loading and manipulating sound buffers.">SoundBuffer</a>>(Copy),
<a name="l00056"></a>00056 myBuffer (0),
<a name="l00057"></a>00057 mySamples (Copy.mySamples),
<a name="l00058"></a>00058 myDuration (Copy.myDuration)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="comment">// Create the buffer</span>
<a name="l00061"></a>00061 ALCheck(alGenBuffers(1, &myBuffer));
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">// Update the internal buffer with the new samples</span>
<a name="l00064"></a>00064 Update(Copy.<a class="code" href="classsf_1_1SoundBuffer.htm#cfea4667cb8a5e72b1061fa2647af30f" title="Return the number of channels (1 = mono, 2 = stereo, .">GetChannelsCount</a>(), Copy.<a class="code" href="classsf_1_1SoundBuffer.htm#c4b1b885e3720689c6cbc22ff6cbe571" title="Get the sample rate.">GetSampleRate</a>());
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067
<a name="l00071"></a><a class="code" href="classsf_1_1SoundBuffer.htm#ea240161724ffba74a0d6a9e277d3cd5">00071</a> <a class="code" href="classsf_1_1SoundBuffer.htm#ea240161724ffba74a0d6a9e277d3cd5" title="Destructor.">SoundBuffer::~SoundBuffer</a>()
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">if</span> (myBuffer)
<a name="l00074"></a>00074 ALCheck(alDeleteBuffers(1, &myBuffer));
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077
<a name="l00081"></a><a class="code" href="classsf_1_1SoundBuffer.htm#232bb58d0910729a542cc2af473c8aa4">00081</a> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1SoundBuffer.htm#232bb58d0910729a542cc2af473c8aa4" title="Load the sound buffer from a file.">SoundBuffer::LoadFromFile</a>(<span class="keyword">const</span> std::string& Filename)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="comment">// Create the sound file</span>
<a name="l00084"></a>00084 std::auto_ptr<priv::SoundFile> File(priv::SoundFile::CreateRead(Filename));
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">// Open the sound file</span>
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (File.get())
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="comment">// Get the sound parameters</span>
<a name="l00090"></a>00090 std::size_t NbSamples = File->GetSamplesCount();
<a name="l00091"></a>00091 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount = File->GetChannelsCount();
<a name="l00092"></a>00092 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate = File->GetSampleRate();
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">// Read the samples from the opened file</span>
<a name="l00095"></a>00095 mySamples.resize(NbSamples);
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (File->Read(&mySamples[0], NbSamples) == NbSamples)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="comment">// Update the internal buffer with the new samples</span>
<a name="l00099"></a>00099 <span class="keywordflow">return</span> Update(ChannelsCount, SampleRate);
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 <span class="keywordflow">else</span>
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="comment">// Error...</span>
<a name="l00104"></a>00104 std::cerr << <span class="stringliteral">"Failed to read audio data from file \""</span> << Filename << <span class="stringliteral">"\""</span> << std::endl;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 <span class="keywordflow">else</span>
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="comment">// Error...</span>
<a name="l00112"></a>00112 std::cerr << <span class="stringliteral">"Failed to load sound buffer from file \""</span> << Filename << <span class="stringliteral">"\""</span> << std::endl;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118
<a name="l00122"></a><a class="code" href="classsf_1_1SoundBuffer.htm#694c43f4ee7b2c6277c1ead496d266f3">00122</a> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1SoundBuffer.htm#694c43f4ee7b2c6277c1ead496d266f3" title="Load the sound buffer from a file in memory.">SoundBuffer::LoadFromMemory</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* Data, std::size_t SizeInBytes)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="comment">// Create the sound file</span>
<a name="l00125"></a>00125 std::auto_ptr<priv::SoundFile> File(priv::SoundFile::CreateRead(Data, SizeInBytes));
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="comment">// Open the sound file</span>
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (File.get())
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="comment">// Get the sound parameters</span>
<a name="l00131"></a>00131 std::size_t NbSamples = File->GetSamplesCount();
<a name="l00132"></a>00132 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount = File->GetChannelsCount();
<a name="l00133"></a>00133 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate = File->GetSampleRate();
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="comment">// Read the samples from the opened file</span>
<a name="l00136"></a>00136 mySamples.resize(NbSamples);
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (File->Read(&mySamples[0], NbSamples) == NbSamples)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="comment">// Update the internal buffer with the new samples</span>
<a name="l00140"></a>00140 <span class="keywordflow">return</span> Update(ChannelsCount, SampleRate);
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="keywordflow">else</span>
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <span class="comment">// Error...</span>
<a name="l00145"></a>00145 std::cerr << <span class="stringliteral">"Failed to read audio data from file in memory"</span> << std::endl;
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="keywordflow">else</span>
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 <span class="comment">// Error...</span>
<a name="l00153"></a>00153 std::cerr << <span class="stringliteral">"Failed to load sound buffer from file in memory"</span> << std::endl;
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159
<a name="l00164"></a><a class="code" href="classsf_1_1SoundBuffer.htm#5efd0d42e07a4c7841b6d4f30849d7dc">00164</a> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1SoundBuffer.htm#5efd0d42e07a4c7841b6d4f30849d7dc" title="Load the sound buffer from an array of samples - assumed format for samples is 16...">SoundBuffer::LoadFromSamples</a>(<span class="keyword">const</span> Int16* Samples, std::size_t SamplesCount, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (Samples && SamplesCount && ChannelsCount && SampleRate)
<a name="l00167"></a>00167 {
<a name="l00168"></a>00168 <span class="comment">// Copy the new audio samples</span>
<a name="l00169"></a>00169 mySamples.assign(Samples, Samples + SamplesCount);
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">// Update the internal buffer with the new samples</span>
<a name="l00172"></a>00172 <span class="keywordflow">return</span> Update(ChannelsCount, SampleRate);
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 <span class="keywordflow">else</span>
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 <span class="comment">// Error...</span>
<a name="l00177"></a>00177 std::cerr << <span class="stringliteral">"Failed to load sound buffer from memory ("</span>
<a name="l00178"></a>00178 << <span class="stringliteral">"Samples : "</span> << Samples << <span class="stringliteral">", "</span>
<a name="l00179"></a>00179 << <span class="stringliteral">"Samples count : "</span> << SamplesCount << <span class="stringliteral">", "</span>
<a name="l00180"></a>00180 << <span class="stringliteral">"Channels count : "</span> << ChannelsCount << <span class="stringliteral">", "</span>
<a name="l00181"></a>00181 << <span class="stringliteral">"Sample rate : "</span> << SampleRate << <span class="stringliteral">")"</span>
<a name="l00182"></a>00182 << std::endl;
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188
<a name="l00192"></a><a class="code" href="classsf_1_1SoundBuffer.htm#f4515a797138382cf98a4d9cd5047239">00192</a> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1SoundBuffer.htm#f4515a797138382cf98a4d9cd5047239" title="Save the sound buffer to a file.">SoundBuffer::SaveToFile</a>(<span class="keyword">const</span> std::string& Filename)<span class="keyword"> const</span>
<a name="l00193"></a>00193 <span class="keyword"></span>{
<a name="l00194"></a>00194 <span class="comment">// Create the sound file in write mode</span>
<a name="l00195"></a>00195 std::auto_ptr<priv::SoundFile> File(priv::SoundFile::CreateWrite(Filename, <a class="code" href="classsf_1_1SoundBuffer.htm#cfea4667cb8a5e72b1061fa2647af30f" title="Return the number of channels (1 = mono, 2 = stereo, .">GetChannelsCount</a>(), <a class="code" href="classsf_1_1SoundBuffer.htm#c4b1b885e3720689c6cbc22ff6cbe571" title="Get the sample rate.">GetSampleRate</a>()));
<a name="l00196"></a>00196 <span class="keywordflow">if</span> (File.get())
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 <span class="comment">// Write the samples to the opened file</span>
<a name="l00199"></a>00199 File->Write(&mySamples[0], mySamples.size());
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 <span class="keywordflow">else</span>
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205 <span class="comment">// Error...</span>
<a name="l00206"></a>00206 std::cerr << <span class="stringliteral">"Failed to save sound buffer to file \""</span> << Filename << <span class="stringliteral">"\""</span> << std::endl;
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212
<a name="l00216"></a><a class="code" href="classsf_1_1SoundBuffer.htm#26b7f93c9d02c34545ff3f1b37206fe0">00216</a> <span class="keyword">const</span> Int16* <a class="code" href="classsf_1_1SoundBuffer.htm#26b7f93c9d02c34545ff3f1b37206fe0" title="Return the sound samples.">SoundBuffer::GetSamples</a>()<span class="keyword"> const</span>
<a name="l00217"></a>00217 <span class="keyword"></span>{
<a name="l00218"></a>00218 <span class="keywordflow">return</span> mySamples.empty() ? NULL : &mySamples[0];
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221
<a name="l00225"></a><a class="code" href="classsf_1_1SoundBuffer.htm#5da93e162669ec8c03b902f622261789">00225</a> std::size_t <a class="code" href="classsf_1_1SoundBuffer.htm#5da93e162669ec8c03b902f622261789" title="Return the samples count.">SoundBuffer::GetSamplesCount</a>()<span class="keyword"> const</span>
<a name="l00226"></a>00226 <span class="keyword"></span>{
<a name="l00227"></a>00227 <span class="keywordflow">return</span> mySamples.size();
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230
<a name="l00234"></a><a class="code" href="classsf_1_1SoundBuffer.htm#c4b1b885e3720689c6cbc22ff6cbe571">00234</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classsf_1_1SoundBuffer.htm#c4b1b885e3720689c6cbc22ff6cbe571" title="Get the sample rate.">SoundBuffer::GetSampleRate</a>()<span class="keyword"> const</span>
<a name="l00235"></a>00235 <span class="keyword"></span>{
<a name="l00236"></a>00236 ALint SampleRate;
<a name="l00237"></a>00237 ALCheck(alGetBufferi(myBuffer, AL_FREQUENCY, &SampleRate));
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordflow">return</span> SampleRate;
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241
<a name="l00242"></a>00242
<a name="l00246"></a><a class="code" href="classsf_1_1SoundBuffer.htm#cfea4667cb8a5e72b1061fa2647af30f">00246</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classsf_1_1SoundBuffer.htm#cfea4667cb8a5e72b1061fa2647af30f" title="Return the number of channels (1 = mono, 2 = stereo, .">SoundBuffer::GetChannelsCount</a>()<span class="keyword"> const</span>
<a name="l00247"></a>00247 <span class="keyword"></span>{
<a name="l00248"></a>00248 ALint ChannelsCount;
<a name="l00249"></a>00249 ALCheck(alGetBufferi(myBuffer, AL_CHANNELS, &ChannelsCount));
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keywordflow">return</span> ChannelsCount;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254
<a name="l00258"></a><a class="code" href="classsf_1_1SoundBuffer.htm#525731db309fb7d5b9781e65bc4e0984">00258</a> <span class="keywordtype">float</span> <a class="code" href="classsf_1_1SoundBuffer.htm#525731db309fb7d5b9781e65bc4e0984" title="Get the sound duration.">SoundBuffer::GetDuration</a>()<span class="keyword"> const</span>
<a name="l00259"></a>00259 <span class="keyword"></span>{
<a name="l00260"></a>00260 <span class="keywordflow">return</span> myDuration;
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262
<a name="l00263"></a>00263
<a name="l00267"></a><a class="code" href="classsf_1_1SoundBuffer.htm#cfdc7a2357c06e2e15c408a4fa21bd49">00267</a> <a class="code" href="classsf_1_1SoundBuffer.htm" title="SoundBuffer is the low-level for loading and manipulating sound buffers.">SoundBuffer</a>& <a class="code" href="classsf_1_1SoundBuffer.htm#cfdc7a2357c06e2e15c408a4fa21bd49" title="Assignment operator.">SoundBuffer::operator =</a>(<span class="keyword">const</span> <a class="code" href="classsf_1_1SoundBuffer.htm" title="SoundBuffer is the low-level for loading and manipulating sound buffers.">SoundBuffer</a>& Other)
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <a class="code" href="classsf_1_1SoundBuffer.htm" title="SoundBuffer is the low-level for loading and manipulating sound buffers.">SoundBuffer</a> Temp(Other);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 mySamples.swap(Temp.<a class="code" href="classsf_1_1SoundBuffer.htm#b0d890ac6d5aff0e3b8835c2fb30c79a" title="Samples buffer.">mySamples</a>);
<a name="l00272"></a>00272 std::swap(myBuffer, Temp.<a class="code" href="classsf_1_1SoundBuffer.htm#b9d31c90ee4febbd075b9c64c3072a65" title="OpenAL buffer identifier.">myBuffer</a>);
<a name="l00273"></a>00273 std::swap(myDuration, Temp.<a class="code" href="classsf_1_1SoundBuffer.htm#79018d0cf609a509e857d7c7102fdda2" title="Sound duration, in seconds.">myDuration</a>);
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a>00278
<a name="l00282"></a>00282 <span class="keywordtype">bool</span> SoundBuffer::Update(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284 <span class="comment">// Check parameters</span>
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (!SampleRate || !ChannelsCount || mySamples.empty())
<a name="l00286"></a>00286 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">// Find the good format according to the number of channels</span>
<a name="l00289"></a>00289 ALenum Format = priv::AudioDevice::GetInstance().GetFormatFromChannelsCount(ChannelsCount);
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="comment">// Check if the format is valid</span>
<a name="l00292"></a>00292 <span class="keywordflow">if</span> (Format == 0)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 std::cerr << <span class="stringliteral">"Unsupported number of channels ("</span> << ChannelsCount << <span class="stringliteral">")"</span> << std::endl;
<a name="l00295"></a>00295 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="comment">// Fill the buffer</span>
<a name="l00299"></a>00299 ALsizei Size = <span class="keyword">static_cast<</span>ALsizei<span class="keyword">></span>(mySamples.size()) * <span class="keyword">sizeof</span>(Int16);
<a name="l00300"></a>00300 ALCheck(alBufferData(myBuffer, Format, &mySamples[0], Size, SampleRate));
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="comment">// Compute the duration</span>
<a name="l00303"></a>00303 myDuration = <span class="keyword">static_cast<</span><span class="keywordtype">float</span><span class="keyword">></span>(mySamples.size()) / SampleRate / ChannelsCount;
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 } <span class="comment">// namespace sf</span>
</pre></div></div>
<p id="footer">
:: Copyright © 2007-2008 Laurent Gomila, all rights reserved ::
Documentation generated by <a href="http://www.doxygen.org/" title="doxygen website">doxygen 1.5.2</a> ::
</p>
</body>
</html>
|