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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<h1>Stk.cpp</h1><div class="fragment"><pre>00001 <span class="comment">/***************************************************/</span>
00013 <span class="comment">/***************************************************/</span>
00014
00015 <span class="preprocessor">#include "Stk.h"</span>
00016
00017 StkFloat Stk :: srate_ = (StkFloat) SRATE;
00018 std::string Stk :: rawwavepath_ = RAWWAVE_PATH;
<a name="l00019"></a><a class="code" href="classStk.html#p0">00019</a> <span class="keyword">const</span> Stk::StkFormat Stk :: STK_SINT8 = 1;
<a name="l00020"></a><a class="code" href="classStk.html#p1">00020</a> <span class="keyword">const</span> Stk::StkFormat Stk :: STK_SINT16 = 2;
<a name="l00021"></a><a class="code" href="classStk.html#p2">00021</a> <span class="keyword">const</span> Stk::StkFormat Stk :: STK_SINT32 = 8;
<a name="l00022"></a><a class="code" href="classStk.html#p3">00022</a> <span class="keyword">const</span> Stk::StkFormat Stk :: STK_FLOAT32 = 16;
<a name="l00023"></a><a class="code" href="classStk.html#p4">00023</a> <span class="keyword">const</span> Stk::StkFormat Stk :: STK_FLOAT64 = 32;
00024
<a name="l00025"></a><a class="code" href="classStk.html#d3">00025</a> <span class="keywordtype">void</span> <a class="code" href="classStk.html#d3">Stk :: setRawwavePath</a>(std::string path)
00026 {
00027 <span class="keywordflow">if</span> ( !path.empty() )
00028 rawwavepath_ = path;
00029
00030 <span class="comment">// Make sure the path includes a "/"</span>
00031 <span class="keywordflow">if</span> ( rawwavepath_[rawwavepath_.length()-1] != <span class="charliteral">'/'</span> )
00032 rawwavepath_ += <span class="stringliteral">"/"</span>;
00033 }
00034
<a name="l00035"></a><a class="code" href="classStk.html#d4">00035</a> <span class="keywordtype">void</span> <a class="code" href="classStk.html#d4">Stk :: swap16</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *ptr)
00036 {
00037 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> val;
00038
00039 <span class="comment">// Swap 1st and 2nd bytes</span>
00040 val = *(ptr);
00041 *(ptr) = *(ptr+1);
00042 *(ptr+1) = val;
00043 }
00044
<a name="l00045"></a><a class="code" href="classStk.html#d5">00045</a> <span class="keywordtype">void</span> <a class="code" href="classStk.html#d5">Stk :: swap32</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *ptr)
00046 {
00047 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> val;
00048
00049 <span class="comment">// Swap 1st and 4th bytes</span>
00050 val = *(ptr);
00051 *(ptr) = *(ptr+3);
00052 *(ptr+3) = val;
00053
00054 <span class="comment">//Swap 2nd and 3rd bytes</span>
00055 ptr += 1;
00056 val = *(ptr);
00057 *(ptr) = *(ptr+1);
00058 *(ptr+1) = val;
00059 }
00060
<a name="l00061"></a><a class="code" href="classStk.html#d6">00061</a> <span class="keywordtype">void</span> <a class="code" href="classStk.html#d6">Stk :: swap64</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *ptr)
00062 {
00063 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> val;
00064
00065 <span class="comment">// Swap 1st and 8th bytes</span>
00066 val = *(ptr);
00067 *(ptr) = *(ptr+7);
00068 *(ptr+7) = val;
00069
00070 <span class="comment">// Swap 2nd and 7th bytes</span>
00071 ptr += 1;
00072 val = *(ptr);
00073 *(ptr) = *(ptr+5);
00074 *(ptr+5) = val;
00075
00076 <span class="comment">// Swap 3rd and 6th bytes</span>
00077 ptr += 1;
00078 val = *(ptr);
00079 *(ptr) = *(ptr+3);
00080 *(ptr+3) = val;
00081
00082 <span class="comment">// Swap 4th and 5th bytes</span>
00083 ptr += 1;
00084 val = *(ptr);
00085 *(ptr) = *(ptr+1);
00086 *(ptr+1) = val;
00087 }
00088
00089 <span class="preprocessor">#if (defined(__OS_IRIX__) || defined(__OS_LINUX__) || defined(__OS_MACOSX__))</span>
00090 <span class="preprocessor"></span><span class="preprocessor"> #include <unistd.h></span>
00091 <span class="preprocessor">#elif defined(__OS_WINDOWS__)</span>
00092 <span class="preprocessor"></span><span class="preprocessor"> #include <windows.h></span>
00093 <span class="preprocessor">#endif</span>
00094 <span class="preprocessor"></span>
<a name="l00095"></a><a class="code" href="classStk.html#d7">00095</a> <span class="keywordtype">void</span> <a class="code" href="classStk.html#d7">Stk :: sleep</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> milliseconds)
00096 {
00097 <span class="preprocessor">#if defined(__OS_WINDOWS__)</span>
00098 <span class="preprocessor"></span> Sleep((DWORD) milliseconds);
00099 <span class="preprocessor">#elif (defined(__OS_IRIX__) || defined(__OS_LINUX__) || defined(__OS_MACOSX__))</span>
00100 <span class="preprocessor"></span> usleep( (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) (milliseconds * 1000.0) );
00101 <span class="preprocessor">#endif</span>
00102 <span class="preprocessor"></span>}
00103
<a name="l00104"></a><a class="code" href="classStk.html#e0">00104</a> <span class="keywordtype">void</span> <a class="code" href="classStk.html#e0">Stk :: handleError</a>( <span class="keyword">const</span> std::string& message, StkError::Type type )
00105 {
00106 <span class="keywordflow">if</span> ( type == StkError::WARNING ) {
00107 std::cerr << <span class="charliteral">'\n'</span> << message << <span class="stringliteral">"\n\n"</span>;
00108 }
00109 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( type == StkError::DEBUG_WARNING ) {
00110 <span class="preprocessor">#if defined( __STK_DEBUG__ )</span>
00111 <span class="preprocessor"></span> std::cerr << <span class="charliteral">'\n'</span> << message << <span class="stringliteral">"\n\n"</span>;
00112 <span class="preprocessor">#endif</span>
00113 <span class="preprocessor"></span> }
00114 <span class="keywordflow">else</span> {
00115 <span class="comment">// Print error message before throwing.</span>
00116 std::cerr << <span class="charliteral">'\n'</span> << message << <span class="stringliteral">"\n\n"</span>;
00117 <span class="keywordflow">throw</span> <a class="code" href="classStkError.html">StkError</a>(message, type);
00118 }
00119 }
</pre></div><HR>
<table>
<tr><td><A HREF="http://www-ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
<tr><td>©1995-2002 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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