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<h1>AsyncAudioProcessor.h</h1><a href="AsyncAudioProcessor_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_PROCESSOR_INCLUDED</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define ASYNC_AUDIO_PROCESSOR_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 <span class="preprocessor">#include <string></span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">/****************************************************************************</span>
<a name="l00042"></a>00042 <span class="comment"> *</span>
<a name="l00043"></a>00043 <span class="comment"> * Project Includes</span>
<a name="l00044"></a>00044 <span class="comment"> *</span>
<a name="l00045"></a>00045 <span class="comment"> ****************************************************************************/</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">/****************************************************************************</span>
<a name="l00050"></a>00050 <span class="comment"> *</span>
<a name="l00051"></a>00051 <span class="comment"> * Local Includes</span>
<a name="l00052"></a>00052 <span class="comment"> *</span>
<a name="l00053"></a>00053 <span class="comment"> ****************************************************************************/</span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#include <<a class="code" href="AsyncAudioSource_8h.html" title="This file contains the base class for an audio source.">AsyncAudioSource.h</a>></span>
<a name="l00056"></a>00056 <span class="preprocessor">#include <<a class="code" href="AsyncAudioSink_8h.html" title="This file contains the base class for an audio sink.">AsyncAudioSink.h</a>></span>
<a name="l00057"></a>00057
<a name="l00058"></a>00058
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">/****************************************************************************</span>
<a name="l00061"></a>00061 <span class="comment"> *</span>
<a name="l00062"></a>00062 <span class="comment"> * Forward declarations</span>
<a name="l00063"></a>00063 <span class="comment"> *</span>
<a name="l00064"></a>00064 <span class="comment"> ****************************************************************************/</span>
<a name="l00065"></a>00065
<a name="l00066"></a>00066
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">/****************************************************************************</span>
<a name="l00069"></a>00069 <span class="comment"> *</span>
<a name="l00070"></a>00070 <span class="comment"> * Namespace</span>
<a name="l00071"></a>00071 <span class="comment"> *</span>
<a name="l00072"></a>00072 <span class="comment"> ****************************************************************************/</span>
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">namespace </span>Async
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">/****************************************************************************</span>
<a name="l00079"></a>00079 <span class="comment"> *</span>
<a name="l00080"></a>00080 <span class="comment"> * Forward declarations of classes inside of the declared namespace</span>
<a name="l00081"></a>00081 <span class="comment"> *</span>
<a name="l00082"></a>00082 <span class="comment"> ****************************************************************************/</span>
<a name="l00083"></a>00083
<a name="l00084"></a>00084
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">/****************************************************************************</span>
<a name="l00087"></a>00087 <span class="comment"> *</span>
<a name="l00088"></a>00088 <span class="comment"> * Defines & typedefs</span>
<a name="l00089"></a>00089 <span class="comment"> *</span>
<a name="l00090"></a>00090 <span class="comment"> ****************************************************************************/</span>
<a name="l00091"></a>00091
<a name="l00092"></a>00092
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">/****************************************************************************</span>
<a name="l00095"></a>00095 <span class="comment"> *</span>
<a name="l00096"></a>00096 <span class="comment"> * Exported Global Variables</span>
<a name="l00097"></a>00097 <span class="comment"> *</span>
<a name="l00098"></a>00098 <span class="comment"> ****************************************************************************/</span>
<a name="l00099"></a>00099
<a name="l00100"></a>00100
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">/****************************************************************************</span>
<a name="l00103"></a>00103 <span class="comment"> *</span>
<a name="l00104"></a>00104 <span class="comment"> * Class definitions</span>
<a name="l00105"></a>00105 <span class="comment"> *</span>
<a name="l00106"></a>00106 <span class="comment"> ****************************************************************************/</span>
<a name="l00107"></a>00107
<a name="l00117"></a><a class="code" href="classAsync_1_1AudioProcessor.html">00117</a> <span class="keyword">class </span><a class="code" href="classAsync_1_1AudioProcessor.html" title="The base class for an audio processor.">AudioProcessor</a> : <span class="keyword">public</span> <a class="code" href="classAsync_1_1AudioSink.html" title="The base class for an audio sink.">AudioSink</a>, <span class="keyword">public</span> <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="l00123"></a>00123 <a class="code" href="classAsync_1_1AudioProcessor.html#af69bb29f508458b049290112eb03c4b6" title="Default constuctor.">AudioProcessor</a>(<span class="keywordtype">void</span>);
<a name="l00124"></a>00124
<a name="l00128"></a>00128 <span class="keyword">virtual</span> <a class="code" href="classAsync_1_1AudioProcessor.html#a375e077ab645b152b7d2c350bd57985a" title="Destructor.">~AudioProcessor</a>(<span class="keywordtype">void</span>);
<a name="l00129"></a>00129
<a name="l00136"></a>00136 <span class="keywordtype">int</span> <a class="code" href="classAsync_1_1AudioProcessor.html#a8794b9b41ad8da1604433d9476411ca2" title="Write audio to the filter.">writeSamples</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *samples, <span class="keywordtype">int</span> len);
<a name="l00137"></a>00137
<a name="l00141"></a>00141 <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioProcessor.html#aac5f8e87b28e3f761e19483b6c0dd3b8" title="Order a flush of all samples.">flushSamples</a>(<span class="keywordtype">void</span>);
<a name="l00142"></a>00142
<a name="l00146"></a>00146 <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioProcessor.html#a11182749ba069c967ddfe4d61fa5aa6c" title="Resume output to the sink if previously stopped.">resumeOutput</a>(<span class="keywordtype">void</span>);
<a name="l00147"></a>00147
<a name="l00151"></a>00151 <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioProcessor.html#a5e70bbb209ed56260108cb5c7174dd91" title="All samples have been flushed by the sink.">allSamplesFlushed</a>(<span class="keywordtype">void</span>);
<a name="l00152"></a>00152
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keyword">protected</span>:
<a name="l00160"></a>00160 <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioProcessor.html#a58bdda697fbb0f445d9b411d371b69fc" title="Set the input and output sample rates.">setInputOutputSampleRate</a>(<span class="keywordtype">int</span> input_rate, <span class="keywordtype">int</span> output_rate);
<a name="l00161"></a>00161
<a name="l00173"></a>00173 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAsync_1_1AudioProcessor.html#a2d7e4ec25a7bd6a9c5c20ae35c1adee3" title="Process incoming samples and put them into the output buffer.">processSamples</a>(<span class="keywordtype">float</span> *dest, <span class="keyword">const</span> <span class="keywordtype">float</span> *src, <span class="keywordtype">int</span> count) = 0;
<a name="l00174"></a>00174
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keyword">private</span>:
<a name="l00177"></a>00177 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> BUFSIZE = 256;
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keywordtype">float</span> buf[BUFSIZE];
<a name="l00180"></a>00180 <span class="keywordtype">int</span> buf_cnt;
<a name="l00181"></a>00181 <span class="keywordtype">bool</span> do_flush;
<a name="l00182"></a>00182 <span class="keywordtype">bool</span> input_stopped;
<a name="l00183"></a>00183 <span class="keywordtype">bool</span> output_stopped;
<a name="l00184"></a>00184 <span class="keywordtype">int</span> input_rate;
<a name="l00185"></a>00185 <span class="keywordtype">int</span> output_rate;
<a name="l00186"></a>00186 <span class="keywordtype">float</span> *input_buf;
<a name="l00187"></a>00187 <span class="keywordtype">int</span> input_buf_cnt;
<a name="l00188"></a>00188 <span class="keywordtype">int</span> input_buf_size;
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <a class="code" href="classAsync_1_1AudioProcessor.html#af69bb29f508458b049290112eb03c4b6" title="Default constuctor.">AudioProcessor</a>(<span class="keyword">const</span> <a class="code" href="classAsync_1_1AudioProcessor.html" title="The base class for an audio processor.">AudioProcessor</a>&);
<a name="l00191"></a>00191 <a class="code" href="classAsync_1_1AudioProcessor.html" title="The base class for an audio processor.">AudioProcessor</a>& operator=(<span class="keyword">const</span> <a class="code" href="classAsync_1_1AudioProcessor.html" title="The base class for an audio processor.">AudioProcessor</a>&);
<a name="l00192"></a>00192 <span class="keywordtype">void</span> writeFromBuf(<span class="keywordtype">void</span>);
<a name="l00193"></a>00193
<a name="l00194"></a>00194 }; <span class="comment">/* class AudioProcessor */</span>
<a name="l00195"></a>00195
<a name="l00196"></a>00196
<a name="l00197"></a>00197 } <span class="comment">/* namespace */</span>
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="preprocessor">#endif </span><span class="comment">/* ASYNC_AUDIO_PROCESSOR_INCLUDED */</span>
<a name="l00200"></a>00200
<a name="l00201"></a>00201
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">/*</span>
<a name="l00204"></a>00204 <span class="comment"> * This file has not been truncated</span>
<a name="l00205"></a>00205 <span class="comment"> */</span>
<a name="l00206"></a>00206
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