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<title>Graphic Equalizer 2: C:/Project Marcel & Oliver/Graphic_Equalizer/src/audio.hcc Source File</title>
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<a class="el" href="dir_000000.html">C:</a> / <a class="el" href="dir_000001.html">Project Marcel & Oliver</a> / <a class="el" href="dir_000002.html">Graphic_Equalizer</a> / <a class="el" href="dir_000004.html">src</a></div>
<h1>audio.hcc</h1><a href="audio_8hcc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001
00019 <span class="comment">/******** System Includes *************/</span>
00020 <span class="preprocessor">#include <stdlib.hch></span>
00021
00022 <span class="preprocessor">#include "pal_master.hch"</span>
00023
00024 <span class="comment">/******** Application Includes ********/</span>
00025 <span class="preprocessor">#include "<a class="code" href="configuration_8hch.html">configuration.hch</a>"</span>
00026 <span class="preprocessor">#include "<a class="code" href="audio_8hch.html">audio.hch</a>"</span>
00027
00028
00029
<a name="l00045"></a><a class="code" href="audio_8hcc.html#a0">00045</a> macro proc <a class="code" href="audio_8hcc.html#a0">audio_init</a>(gain_level, input_source, sample_rate, AUDIOIN, AUDIOOUT) {
00046 <span class="comment">/*</span>
00047 <span class="comment"> * We simply call the appropiate handlers and pass values along. We</span>
00048 <span class="comment"> * Don't set the mute on input gain. We have volume control to do this.</span>
00049 <span class="comment"> * Input and Output sampling rates are equal. We dont' need different</span>
00050 <span class="comment"> * rates.</span>
00051 <span class="comment"> */</span>
00052 RC200AudioInSetGain(FALSE, gain_level, gain_level);
00053 RC200AudioInSetInput(input_source);
00054 PalAudioInSetSampleRate(AUDIOIN, sample_rate);
00055 PalAudioOutSetSampleRate(AUDIOOUT, sample_rate);
00056 } <span class="comment">/* --- audio_init() --- */</span>
00057
00058
00059 <span class="preprocessor">#if !USE_RUNFFT</span>
00060 <span class="preprocessor"></span><span class="comment">//TODO: put runfft here!</span>
<a name="l00076"></a><a class="code" href="audio_8hcc.html#a1">00076</a> <span class="comment"></span>macro proc <a class="code" href="audio_8hcc.html#a1">audio_main</a>(audiodata, AUDIOIN, AUDIOOUT) {
00077 <span class="comment">/*</span>
00078 <span class="comment"> * Determin the data width for the current platform.</span>
00079 <span class="comment"> */</span>
00080 macro expr IW = PalAudioInGetMaxDataWidthCT();
00081 macro expr OW = PalAudioOutGetMaxDataWidthCT();
00082
00083 <span class="keywordtype">signed</span> IW sample_left_in, sample_right_in;
00084 <span class="keywordtype">signed</span> OW sample_left_out, sample_right_out;
00085
00086 <span class="keywordflow">while</span> (TRUE) {
00087 PalAudioInRead(AUDIOIN, &sample_left_in, &sample_right_in);
00088
00089 <span class="comment">/* par {</span>
00090 <span class="comment"> sample_add(sample_left_in);</span>
00091 <span class="comment"> sample_get(&sample_left_out);</span>
00092 <span class="comment"> sample_right_out = sample_right_in;</span>
00093 <span class="comment"> }</span>
00094 <span class="comment"> if (rotate_samples()) {</span>
00095 <span class="comment"> / *</span>
00096 <span class="comment"> * 64 Samples have been processed, calculate.</span>
00097 <span class="comment"> * /</span>
00098 <span class="comment"> }</span>
00099 <span class="comment">*/</span> PalAudioOutWrite(AUDIOOUT, (<span class="keywordtype">signed</span> OW)(sample_left_in @ 0), (<span class="keywordtype">signed</span> OW)(sample_right_in @ 0));
00100 }
00101 } <span class="comment">/* --- audio_main() --- */</span>
00102 <span class="preprocessor">#endif</span>
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