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diff --git a/doc/html/SoundBuffer_8cpp-source.htm b/doc/html/SoundBuffer_8cpp-source.htm new file mode 100755 index 0000000..a22bb60 --- /dev/null +++ b/doc/html/SoundBuffer_8cpp-source.htm @@ -0,0 +1,298 @@ +<!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> |