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<h1>AsyncAudioDelayLine.h</h1><a href="AsyncAudioDelayLine_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef ASYNC_AUDIO_DELAY_LINE_INCLUDED</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define ASYNC_AUDIO_DELAY_LINE_INCLUDED</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <span class="comment">/****************************************************************************</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> * System Includes</span>
<a name="l00035"></a>00035 <span class="comment"> *</span>
<a name="l00036"></a>00036 <span class="comment"> ****************************************************************************/</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="comment">/****************************************************************************</span>
<a name="l00041"></a>00041 <span class="comment"> *</span>
<a name="l00042"></a>00042 <span class="comment"> * Project Includes</span>
<a name="l00043"></a>00043 <span class="comment"> *</span>
<a name="l00044"></a>00044 <span class="comment"> ****************************************************************************/</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;<a class="code" href="AsyncAudioSink_8h.html" title="This file contains the base class for an audio sink.">AsyncAudioSink.h</a>&gt;</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;<a class="code" href="AsyncAudioSource_8h.html" title="This file contains the base class for an audio source.">AsyncAudioSource.h</a>&gt;</span>
<a name="l00048"></a>00048 
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="comment">/****************************************************************************</span>
<a name="l00051"></a>00051 <span class="comment"> *</span>
<a name="l00052"></a>00052 <span class="comment"> * Local Includes</span>
<a name="l00053"></a>00053 <span class="comment"> *</span>
<a name="l00054"></a>00054 <span class="comment"> ****************************************************************************/</span>
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 <span class="comment">/****************************************************************************</span>
<a name="l00059"></a>00059 <span class="comment"> *</span>
<a name="l00060"></a>00060 <span class="comment"> * Forward declarations</span>
<a name="l00061"></a>00061 <span class="comment"> *</span>
<a name="l00062"></a>00062 <span class="comment"> ****************************************************************************/</span>
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 <span class="comment">/****************************************************************************</span>
<a name="l00067"></a>00067 <span class="comment"> *</span>
<a name="l00068"></a>00068 <span class="comment"> * Namespace</span>
<a name="l00069"></a>00069 <span class="comment"> *</span>
<a name="l00070"></a>00070 <span class="comment"> ****************************************************************************/</span>
<a name="l00071"></a>00071 
<a name="l00072"></a>00072 <span class="keyword">namespace </span>Async
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <span class="comment">/****************************************************************************</span>
<a name="l00077"></a>00077 <span class="comment"> *</span>
<a name="l00078"></a>00078 <span class="comment"> * Forward declarations of classes inside of the declared namespace</span>
<a name="l00079"></a>00079 <span class="comment"> *</span>
<a name="l00080"></a>00080 <span class="comment"> ****************************************************************************/</span>
<a name="l00081"></a>00081 
<a name="l00082"></a>00082   
<a name="l00083"></a>00083 
<a name="l00084"></a>00084 <span class="comment">/****************************************************************************</span>
<a name="l00085"></a>00085 <span class="comment"> *</span>
<a name="l00086"></a>00086 <span class="comment"> * Defines &amp; typedefs</span>
<a name="l00087"></a>00087 <span class="comment"> *</span>
<a name="l00088"></a>00088 <span class="comment"> ****************************************************************************/</span>
<a name="l00089"></a>00089 
<a name="l00090"></a>00090 
<a name="l00091"></a>00091 
<a name="l00092"></a>00092 <span class="comment">/****************************************************************************</span>
<a name="l00093"></a>00093 <span class="comment"> *</span>
<a name="l00094"></a>00094 <span class="comment"> * Exported Global Variables</span>
<a name="l00095"></a>00095 <span class="comment"> *</span>
<a name="l00096"></a>00096 <span class="comment"> ****************************************************************************/</span>
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 
<a name="l00099"></a>00099 
<a name="l00100"></a>00100 <span class="comment">/****************************************************************************</span>
<a name="l00101"></a>00101 <span class="comment"> *</span>
<a name="l00102"></a>00102 <span class="comment"> * Class definitions</span>
<a name="l00103"></a>00103 <span class="comment"> *</span>
<a name="l00104"></a>00104 <span class="comment"> ****************************************************************************/</span>
<a name="l00105"></a>00105 
<a name="l00117"></a><a class="code" href="classAsync_1_1AudioDelayLine.html">00117</a> <span class="keyword">class </span><a class="code" href="classAsync_1_1AudioDelayLine.html" title="This class implements an audio delay line.">AudioDelayLine</a> : <span class="keyword">public</span> Async::<a class="code" href="classAsync_1_1AudioSink.html" title="The base class for an audio sink.">AudioSink</a>, <span class="keyword">public</span> Async::<a class="code" href="classAsync_1_1AudioSource.html" title="The base class for an audio source.">AudioSource</a>
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119   <span class="keyword">public</span>:
<a name="l00124"></a>00124     <span class="keyword">explicit</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#a06a36f0cbfc41a8a520ea52d8db397ff" title="Constuctor.">AudioDelayLine</a>(<span class="keywordtype">int</span> length_ms);
<a name="l00125"></a>00125   
<a name="l00129"></a>00129     <a class="code" href="classAsync_1_1AudioDelayLine.html#a0b61c4c4479cfbc7cee8e8ba1652d08b" title="Destructor.">~AudioDelayLine</a>(<span class="keywordtype">void</span>);
<a name="l00130"></a>00130     
<a name="l00142"></a>00142     <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#a6dca0c75ba49ac3df33d30fe1c5f26c6" title="Mute audio.">mute</a>(<span class="keywordtype">bool</span> do_mute, <span class="keywordtype">int</span> time_ms=0);
<a name="l00143"></a>00143     
<a name="l00152"></a>00152     <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#ada4fe4d0dd533644de412854e297bae3" title="Clear samples in the delay line.">clear</a>(<span class="keywordtype">int</span> time_ms=-1);
<a name="l00153"></a>00153   
<a name="l00163"></a>00163     <span class="keywordtype">int</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#a7fd387dd0aeb51025ca7dc568a720306" title="Write samples into the delay line.">writeSamples</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *samples, <span class="keywordtype">int</span> count);
<a name="l00164"></a>00164     
<a name="l00173"></a>00173     <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#a24974eba89725a17048cf50c93006f3a" title="Tell the sink to flush the previously written samples.">flushSamples</a>(<span class="keywordtype">void</span>);
<a name="l00174"></a>00174 
<a name="l00183"></a>00183     <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#a795984fbe4c7720502aa3ab35845a606" title="Resume audio output to the sink.">resumeOutput</a>(<span class="keywordtype">void</span>);
<a name="l00184"></a>00184     
<a name="l00193"></a>00193     <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioDelayLine.html#a960b0b88890fb9b920deafc4960a9838" title="The registered sink has flushed all samples.">allSamplesFlushed</a>(<span class="keywordtype">void</span>);
<a name="l00194"></a>00194     
<a name="l00195"></a>00195     
<a name="l00196"></a>00196   <span class="keyword">protected</span>:
<a name="l00197"></a>00197     
<a name="l00198"></a>00198   <span class="keyword">private</span>:    
<a name="l00199"></a>00199     <span class="keywordtype">float</span> *buf;
<a name="l00200"></a>00200     <span class="keywordtype">int</span> size;
<a name="l00201"></a>00201     <span class="keywordtype">int</span> ptr;
<a name="l00202"></a>00202     <span class="keywordtype">int</span> flush_cnt;
<a name="l00203"></a>00203     <span class="keywordtype">bool</span> is_muted;
<a name="l00204"></a>00204     <span class="keywordtype">int</span> mute_cnt;
<a name="l00205"></a>00205     <span class="keywordtype">int</span> last_clear;
<a name="l00206"></a>00206     
<a name="l00207"></a>00207     <a class="code" href="classAsync_1_1AudioDelayLine.html#a06a36f0cbfc41a8a520ea52d8db397ff" title="Constuctor.">AudioDelayLine</a>(<span class="keyword">const</span> <a class="code" href="classAsync_1_1AudioDelayLine.html" title="This class implements an audio delay line.">AudioDelayLine</a>&amp;);
<a name="l00208"></a>00208     <a class="code" href="classAsync_1_1AudioDelayLine.html" title="This class implements an audio delay line.">AudioDelayLine</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classAsync_1_1AudioDelayLine.html" title="This class implements an audio delay line.">AudioDelayLine</a>&amp;);
<a name="l00209"></a>00209     <span class="keywordtype">void</span> writeRemainingSamples(<span class="keywordtype">void</span>);
<a name="l00210"></a>00210     <span class="keywordtype">int</span> writeToSink(<span class="keywordtype">int</span> count);
<a name="l00211"></a>00211 
<a name="l00212"></a>00212 };  <span class="comment">/* class AudioDelayLine */</span>
<a name="l00213"></a>00213 
<a name="l00214"></a>00214 
<a name="l00215"></a>00215 } <span class="comment">/* namespace */</span>
<a name="l00216"></a>00216 
<a name="l00217"></a>00217 <span class="preprocessor">#endif </span><span class="comment">/* ASYNC_AUDIO_DELAY_LINE_INCLUDED */</span>
<a name="l00218"></a>00218 
<a name="l00219"></a>00219 
<a name="l00220"></a>00220 
<a name="l00221"></a>00221 <span class="comment">/*</span>
<a name="l00222"></a>00222 <span class="comment"> * This file has not been truncated</span>
<a name="l00223"></a>00223 <span class="comment"> */</span>
<a name="l00224"></a>00224 
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