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helloworld.cpp.html from marsyas at Krugle

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<pre><tt><b><font color="#000080">#include</font></b> <font color="#FF0000">"MarSystemManager.h"</font>
<b><font color="#0000FF">using</font></b> <b><font color="#0000FF">namespace</font></b> std<font color="#990000">;</font>
<b><font color="#0000FF">using</font></b> <b><font color="#0000FF">namespace</font></b> Marsyas<font color="#990000">;</font>

<font color="#009900">void</font> <b><font color="#000000">sfplay</font></b><font color="#990000">(</font>string sfName<font color="#990000">,</font> <font color="#009900">float</font> gain<font color="#990000">)</font>
<font color="#FF0000">{</font>
	MarSystemManager mng<font color="#990000">;</font>

	MarSystem<font color="#990000">*</font> playbacknet <font color="#990000">=</font> mng<font color="#990000">.</font><b><font color="#000000">create</font></b><font color="#990000">(</font><font color="#FF0000">"Series"</font><font color="#990000">,</font> <font color="#FF0000">"playbacknet"</font><font color="#990000">);</font>

	playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">addMarSystem</font></b><font color="#990000">(</font>mng<font color="#990000">.</font><b><font color="#000000">create</font></b><font color="#990000">(</font><font color="#FF0000">"SoundFileSource"</font><font color="#990000">,</font> <font color="#FF0000">"src"</font><font color="#990000">));</font>
	playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">addMarSystem</font></b><font color="#990000">(</font>mng<font color="#990000">.</font><b><font color="#000000">create</font></b><font color="#990000">(</font><font color="#FF0000">"Gain"</font><font color="#990000">,</font> <font color="#FF0000">"gt"</font><font color="#990000">));</font>
	playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">addMarSystem</font></b><font color="#990000">(</font>mng<font color="#990000">.</font><b><font color="#000000">create</font></b><font color="#990000">(</font><font color="#FF0000">"AudioSink"</font><font color="#990000">,</font> <font color="#FF0000">"dest"</font><font color="#990000">));</font>

	playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">updctrl</font></b><font color="#990000">(</font><font color="#FF0000">"SoundFileSource/src/mrs_string/filename"</font><font color="#990000">,</font> sfName<font color="#990000">);</font>
	playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">updctrl</font></b><font color="#990000">(</font><font color="#FF0000">"Gain/gt/mrs_real/gain"</font><font color="#990000">,</font> gain<font color="#990000">);</font>
	playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">updctrl</font></b><font color="#990000">(</font><font color="#FF0000">"AudioSink/dest/mrs_bool/initAudio"</font><font color="#990000">,</font> <b><font color="#0000FF">true</font></b><font color="#990000">);</font>

	<b><font color="#0000FF">while</font></b> <font color="#990000">(</font> playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">getctrl</font></b><font color="#990000">(</font><font color="#FF0000">"SoundFileSource/src/mrs_bool/notEmpty"</font><font color="#990000">)-&gt;</font>to<font color="#990000">&lt;</font>mrs_bool<font color="#990000">&gt;()</font> <font color="#990000">)</font>
	<font color="#FF0000">{</font>
		playbacknet<font color="#990000">-&gt;</font><b><font color="#000000">tick</font></b><font color="#990000">();</font>
	<font color="#FF0000">}</font>
	<b><font color="#0000FF">delete</font></b> playbacknet<font color="#990000">;</font>
<font color="#FF0000">}</font>

<font color="#009900">int</font> <b><font color="#000000">main</font></b><font color="#990000">(</font><font color="#009900">int</font> argc<font color="#990000">,</font> <b><font color="#0000FF">const</font></b> <font color="#009900">char</font> <font color="#990000">**</font>argv<font color="#990000">)</font>
<font color="#FF0000">{</font>
	string fileName<font color="#990000">;</font>
	<font color="#009900">float</font> gain<font color="#990000">;</font>
	<b><font color="#0000FF">if</font></b> <font color="#990000">(</font>argc<font color="#990000">&lt;</font><font color="#993399">2</font><font color="#990000">)</font>
	<font color="#FF0000">{</font>
		cout<font color="#990000">&lt;&lt;</font><font color="#FF0000">"Please enter filename."</font><font color="#990000">&lt;&lt;</font>endl<font color="#990000">;</font>
		<b><font color="#000000">exit</font></b><font color="#990000">(</font><font color="#993399">1</font><font color="#990000">);</font>
	<font color="#FF0000">}</font>
	<b><font color="#0000FF">else</font></b>
	<font color="#FF0000">{</font>
		fileName <font color="#990000">=</font> argv<font color="#990000">[</font><font color="#993399">1</font><font color="#990000">];</font>
	<font color="#FF0000">}</font>
	<b><font color="#0000FF">if</font></b> <font color="#990000">(</font>argc<font color="#990000">&lt;</font><font color="#993399">3</font><font color="#990000">)</font>
	<font color="#FF0000">{</font>
		gain <font color="#990000">=</font> <font color="#993399">1</font><font color="#990000">;</font>
	<font color="#FF0000">}</font>
	<b><font color="#0000FF">else</font></b>
	<font color="#FF0000">{</font>
		gain <font color="#990000">=</font> <b><font color="#000000">atof</font></b><font color="#990000">(</font>argv<font color="#990000">[</font><font color="#993399">2</font><font color="#990000">]);</font>
	<font color="#FF0000">}</font>
	cout <font color="#990000">&lt;&lt;</font> <font color="#FF0000">"Playing file "</font> <font color="#990000">&lt;&lt;</font> fileName <font color="#990000">&lt;&lt;</font> <font color="#FF0000">" at volume "</font> <font color="#990000">&lt;&lt;</font>
	gain <font color="#990000">&lt;&lt;</font> endl<font color="#990000">;</font>

	<b><font color="#000000">sfplay</font></b><font color="#990000">(</font>fileName<font color="#990000">,</font>gain<font color="#990000">);</font>
	<b><font color="#000000">exit</font></b><font color="#990000">(</font><font color="#993399">0</font><font color="#990000">);</font>
<font color="#FF0000">}</font>

</tt></pre>

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marsyas

Marsyas (Music Analysis, Retrieval and Synthesis for Audio Signals) is a framework for developing systems for audio processing. It provides an general architecture for connecting audio, soundfiles, signal processing blocks and machine learning.

Project homepage: http://sourceforge.net/projects/marsyas
Programming language(s): C++
License: other

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