<!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>SoundFile.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/SoundFile.hpp></span> <a name="l00029"></a>00029 <span class="preprocessor">#include <SFML/Audio/SoundFileDefault.hpp></span> <a name="l00030"></a>00030 <span class="preprocessor">#include <SFML/Audio/SoundFileOgg.hpp></span> <a name="l00031"></a>00031 <span class="preprocessor">#include <iostream></span> <a name="l00032"></a>00032 <a name="l00033"></a>00033 <a name="l00034"></a>00034 <span class="keyword">namespace </span>sf <a name="l00035"></a>00035 { <a name="l00036"></a>00036 <span class="keyword">namespace </span>priv <a name="l00037"></a>00037 { <a name="l00041"></a>00041 SoundFile* SoundFile::CreateRead(<span class="keyword">const</span> std::string& Filename) <a name="l00042"></a>00042 { <a name="l00043"></a>00043 <span class="comment">// Create the file according to its type</span> <a name="l00044"></a>00044 SoundFile* File = NULL; <a name="l00045"></a>00045 <span class="keywordflow">if</span> (SoundFileOgg::IsFileSupported(Filename, <span class="keyword">true</span>)) File = <span class="keyword">new</span> SoundFileOgg; <a name="l00046"></a>00046 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (SoundFileDefault::IsFileSupported(Filename, <span class="keyword">true</span>)) File = <span class="keyword">new</span> SoundFileDefault; <a name="l00047"></a>00047 <a name="l00048"></a>00048 <span class="comment">// Open it for reading</span> <a name="l00049"></a>00049 <span class="keywordflow">if</span> (File) <a name="l00050"></a>00050 { <a name="l00051"></a>00051 std::size_t SamplesCount; <a name="l00052"></a>00052 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount; <a name="l00053"></a>00053 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate; <a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="keywordflow">if</span> (File->OpenRead(Filename, SamplesCount, ChannelsCount, SampleRate)) <a name="l00056"></a>00056 { <a name="l00057"></a>00057 File->myFilename = Filename; <a name="l00058"></a>00058 File->myData = NULL; <a name="l00059"></a>00059 File->mySize = 0; <a name="l00060"></a>00060 File->myNbSamples = SamplesCount; <a name="l00061"></a>00061 File->myChannelsCount = ChannelsCount; <a name="l00062"></a>00062 File->mySampleRate = SampleRate; <a name="l00063"></a>00063 } <a name="l00064"></a>00064 <span class="keywordflow">else</span> <a name="l00065"></a>00065 { <a name="l00066"></a>00066 <span class="keyword">delete</span> File; <a name="l00067"></a>00067 File = NULL; <a name="l00068"></a>00068 } <a name="l00069"></a>00069 } <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keywordflow">return</span> File; <a name="l00072"></a>00072 } <a name="l00073"></a>00073 <a name="l00074"></a>00074 <a name="l00078"></a>00078 SoundFile* SoundFile::CreateRead(<span class="keyword">const</span> <span class="keywordtype">char</span>* Data, std::size_t SizeInMemory) <a name="l00079"></a>00079 { <a name="l00080"></a>00080 <span class="comment">// Create the file according to its type</span> <a name="l00081"></a>00081 SoundFile* File = NULL; <a name="l00082"></a>00082 <span class="keywordflow">if</span> (SoundFileOgg::IsFileSupported(Data, SizeInMemory)) File = <span class="keyword">new</span> SoundFileOgg; <a name="l00083"></a>00083 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (SoundFileDefault::IsFileSupported(Data, SizeInMemory)) File = <span class="keyword">new</span> SoundFileDefault; <a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="comment">// Open it for reading</span> <a name="l00086"></a>00086 <span class="keywordflow">if</span> (File) <a name="l00087"></a>00087 { <a name="l00088"></a>00088 std::size_t SamplesCount; <a name="l00089"></a>00089 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount; <a name="l00090"></a>00090 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate; <a name="l00091"></a>00091 <a name="l00092"></a>00092 <span class="keywordflow">if</span> (File->OpenRead(Data, SizeInMemory, SamplesCount, ChannelsCount, SampleRate)) <a name="l00093"></a>00093 { <a name="l00094"></a>00094 File->myFilename = <span class="stringliteral">""</span>; <a name="l00095"></a>00095 File->myData = Data; <a name="l00096"></a>00096 File->mySize = SizeInMemory; <a name="l00097"></a>00097 File->myNbSamples = SamplesCount; <a name="l00098"></a>00098 File->myChannelsCount = ChannelsCount; <a name="l00099"></a>00099 File->mySampleRate = 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="keyword">delete</span> File; <a name="l00104"></a>00104 File = NULL; <a name="l00105"></a>00105 } <a name="l00106"></a>00106 } <a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="keywordflow">return</span> File; <a name="l00109"></a>00109 } <a name="l00110"></a>00110 <a name="l00111"></a>00111 <a name="l00115"></a>00115 SoundFile* SoundFile::CreateWrite(<span class="keyword">const</span> std::string& Filename, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ChannelsCount, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SampleRate) <a name="l00116"></a>00116 { <a name="l00117"></a>00117 <span class="comment">// Create the file according to its type</span> <a name="l00118"></a>00118 SoundFile* File = NULL; <a name="l00119"></a>00119 <span class="keywordflow">if</span> (SoundFileOgg::IsFileSupported(Filename, <span class="keyword">false</span>)) File = <span class="keyword">new</span> SoundFileOgg; <a name="l00120"></a>00120 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (SoundFileDefault::IsFileSupported(Filename, <span class="keyword">false</span>)) File = <span class="keyword">new</span> SoundFileDefault; <a name="l00121"></a>00121 <a name="l00122"></a>00122 <span class="comment">// Open it for writing</span> <a name="l00123"></a>00123 <span class="keywordflow">if</span> (File) <a name="l00124"></a>00124 { <a name="l00125"></a>00125 <span class="keywordflow">if</span> (File->OpenWrite(Filename, ChannelsCount, SampleRate)) <a name="l00126"></a>00126 { <a name="l00127"></a>00127 File->myFilename = <span class="stringliteral">""</span>; <a name="l00128"></a>00128 File->myData = NULL; <a name="l00129"></a>00129 File->mySize = 0; <a name="l00130"></a>00130 File->myNbSamples = 0; <a name="l00131"></a>00131 File->myChannelsCount = ChannelsCount; <a name="l00132"></a>00132 File->mySampleRate = SampleRate; <a name="l00133"></a>00133 } <a name="l00134"></a>00134 <span class="keywordflow">else</span> <a name="l00135"></a>00135 { <a name="l00136"></a>00136 <span class="keyword">delete</span> File; <a name="l00137"></a>00137 File = NULL; <a name="l00138"></a>00138 } <a name="l00139"></a>00139 } <a name="l00140"></a>00140 <a name="l00141"></a>00141 <span class="keywordflow">return</span> File; <a name="l00142"></a>00142 } <a name="l00143"></a>00143 <a name="l00144"></a>00144 <a name="l00148"></a>00148 SoundFile::SoundFile() : <a name="l00149"></a>00149 myNbSamples (0), <a name="l00150"></a>00150 myChannelsCount(0), <a name="l00151"></a>00151 mySampleRate (0) <a name="l00152"></a>00152 { <a name="l00153"></a>00153 <a name="l00154"></a>00154 } <a name="l00155"></a>00155 <a name="l00156"></a>00156 <a name="l00160"></a>00160 SoundFile::~SoundFile() <a name="l00161"></a>00161 { <a name="l00162"></a>00162 <span class="comment">// Nothing to do</span> <a name="l00163"></a>00163 } <a name="l00164"></a>00164 <a name="l00165"></a>00165 <a name="l00169"></a>00169 std::size_t SoundFile::GetSamplesCount()<span class="keyword"> const</span> <a name="l00170"></a>00170 <span class="keyword"></span>{ <a name="l00171"></a>00171 <span class="keywordflow">return</span> myNbSamples; <a name="l00172"></a>00172 } <a name="l00173"></a>00173 <a name="l00174"></a>00174 <a name="l00178"></a>00178 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SoundFile::GetChannelsCount()<span class="keyword"> const</span> <a name="l00179"></a>00179 <span class="keyword"></span>{ <a name="l00180"></a>00180 <span class="keywordflow">return</span> myChannelsCount; <a name="l00181"></a>00181 } <a name="l00182"></a>00182 <a name="l00183"></a>00183 <a name="l00187"></a>00187 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SoundFile::GetSampleRate()<span class="keyword"> const</span> <a name="l00188"></a>00188 <span class="keyword"></span>{ <a name="l00189"></a>00189 <span class="keywordflow">return</span> mySampleRate; <a name="l00190"></a>00190 } <a name="l00191"></a>00191 <a name="l00192"></a>00192 <a name="l00196"></a>00196 <span class="keywordtype">bool</span> SoundFile::Restart() <a name="l00197"></a>00197 { <a name="l00198"></a>00198 <span class="keywordflow">if</span> (myData) <a name="l00199"></a>00199 { <a name="l00200"></a>00200 <span class="comment">// Reopen from memory</span> <a name="l00201"></a>00201 <span class="keywordflow">return</span> OpenRead(myData, mySize, myNbSamples, myChannelsCount, mySampleRate); <a name="l00202"></a>00202 } <a name="l00203"></a>00203 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (myFilename != <span class="stringliteral">""</span>) <a name="l00204"></a>00204 { <a name="l00205"></a>00205 <span class="comment">// Reopen from file</span> <a name="l00206"></a>00206 <span class="keywordflow">return</span> OpenRead(myFilename, myNbSamples, myChannelsCount, mySampleRate); <a name="l00207"></a>00207 } <a name="l00208"></a>00208 <span class="keywordflow">else</span> <a name="l00209"></a>00209 { <a name="l00210"></a>00210 <span class="comment">// Trying to reopen a file opened in write mode... error</span> <a name="l00211"></a>00211 std::cerr << <span class="stringliteral">"Warning : trying to restart a sound opened in write mode, which is not allowed"</span> << std::endl; <a name="l00212"></a>00212 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00213"></a>00213 } <a name="l00214"></a>00214 } <a name="l00215"></a>00215 <a name="l00216"></a>00216 <a name="l00220"></a>00220 <span class="keywordtype">bool</span> SoundFile::OpenRead(<span class="keyword">const</span> std::string& Filename, std::size_t&, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&) <a name="l00221"></a>00221 { <a name="l00222"></a>00222 std::cerr << <span class="stringliteral">"Failed to open sound file \""</span> << Filename << <span class="stringliteral">"\", format is not supported by SFML"</span> << std::endl; <a name="l00223"></a>00223 <a name="l00224"></a>00224 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00225"></a>00225 } <a name="l00226"></a>00226 <a name="l00227"></a>00227 <a name="l00231"></a>00231 <span class="keywordtype">bool</span> SoundFile::OpenRead(<span class="keyword">const</span> <span class="keywordtype">char</span>*, std::size_t, std::size_t&, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&) <a name="l00232"></a>00232 { <a name="l00233"></a>00233 std::cerr << <span class="stringliteral">"Failed to open sound file from memory, format is not supported by SFML"</span> << std::endl; <a name="l00234"></a>00234 <a name="l00235"></a>00235 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00236"></a>00236 } <a name="l00237"></a>00237 <a name="l00238"></a>00238 <a name="l00242"></a>00242 <span class="keywordtype">bool</span> SoundFile::OpenWrite(<span class="keyword">const</span> std::string& Filename, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) <a name="l00243"></a>00243 { <a name="l00244"></a>00244 std::cerr << <span class="stringliteral">"Failed to open sound file \""</span> << Filename << <span class="stringliteral">"\", format is not supported by SFML"</span> << std::endl; <a name="l00245"></a>00245 <a name="l00246"></a>00246 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00247"></a>00247 } <a name="l00248"></a>00248 <a name="l00249"></a>00249 <a name="l00253"></a>00253 std::size_t SoundFile::Read(Int16*, std::size_t) <a name="l00254"></a>00254 { <a name="l00255"></a>00255 std::cerr << <span class="stringliteral">"Failed to read from sound file (not supported)"</span> << std::endl; <a name="l00256"></a>00256 <a name="l00257"></a>00257 <span class="keywordflow">return</span> 0; <a name="l00258"></a>00258 } <a name="l00259"></a>00259 <a name="l00260"></a>00260 <a name="l00264"></a>00264 <span class="keywordtype">void</span> SoundFile::Write(<span class="keyword">const</span> Int16*, std::size_t) <a name="l00265"></a>00265 { <a name="l00266"></a>00266 std::cerr << <span class="stringliteral">"Failed to write to sound file (not supported)"</span> << std::endl; <a name="l00267"></a>00267 } <a name="l00268"></a>00268 <a name="l00269"></a>00269 } <span class="comment">// namespace priv</span> <a name="l00270"></a>00270 <a name="l00271"></a>00271 } <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>