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<title>GNU Radio 3.2.2 C++ API: g72x.h File Reference</title>
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<h1>g72x.h File Reference</h1>
<p><a href="g72x_8h_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structg72x__state.html">g72x_state</a></td></tr>
<tr><td colspan="2"><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#ae359d76f9fbd701c7b5bd1e591d66be9">AUDIO_ENCODING_ULAW</a> (1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a9b68df7c208894b621d7813820cc8b68">AUDIO_ENCODING_ALAW</a> (2)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a92c1ad7f36269299ba0bcb7ca9b08221">AUDIO_ENCODING_LINEAR</a> (3)</td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a8d2e8abbe77d673980e835b3c9b45424">g72x_init_state</a> (struct <a class="el" href="structg72x__state.html">g72x_state</a> *)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a625d6f20de1989da0c89725dc404c882">g721_encoder</a> (int sample, int in_coding, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a0ea97d583383fd8bab3f9cfe62ff8bf1">g721_decoder</a> (int code, int out_coding, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a2cb7ba25f04c979287a0c8c1d5c6db44">g723_24_encoder</a> (int sample, int in_coding, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a3b6dd79d7aaf0a9cdab1c512a14a81df">g723_24_decoder</a> (int code, int out_coding, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a71736718b4c7c2efab5b29a4480c6ff6">g723_40_encoder</a> (int sample, int in_coding, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a4f0005b001997a477f33b7b409fea743">g723_40_decoder</a> (int code, int out_coding, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a79ca4858023b4e424e93f50469d12bff">quantize</a> (int d, int y, short *table, int size)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a79fa39807a35066c338c5a297e89fbed">reconstruct</a> (int, int, int)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a6e07fabf2aa75120f6124fe33d667b1e">update</a> (int code_size, int y, int wi, int fi, int dq, int sr, int dqsez, struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a815b5e5cddffee7896fe2bc17e64ee55">tandem_adjust_alaw</a> (int sr, int se, int y, int i, int sign, short *qtab)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#aab32bf499fa99d9eff6983558dc8f3db">tandem_adjust_ulaw</a> (int sr, int se, int y, int i, int sign, short *qtab)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#af9d8389f455e033063e060eaee13d0b6">linear2alaw</a> (int pcm_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#ac3e8657430e0cf4d01f64e02d3a0174e">alaw2linear</a> (unsigned char a_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#aca914334f18c15611c26a35bfe134d98">linear2ulaw</a> (int pcm_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a1457df76b3c6cf4b48d69a7789e123de">ulaw2linear</a> (unsigned char u_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a435e4fe3c48bc271d39d4f23cd0fba59">predictor_zero</a> (struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#ace46ad254b15fb2406f51a6eec0e0d13">predictor_pole</a> (struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="g72x_8h.html#a9a7e6c17fe2acfcdae3b7097731366e5">step_size</a> (struct <a class="el" href="structg72x__state.html">g72x_state</a> *state_ptr)</td></tr>
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<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a9b68df7c208894b621d7813820cc8b68"></a><!-- doxytag: member="g72x.h::AUDIO_ENCODING_ALAW" ref="a9b68df7c208894b621d7813820cc8b68" args="" -->
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<td class="memname">#define AUDIO_ENCODING_ALAW (2)</td>
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<a class="anchor" id="a92c1ad7f36269299ba0bcb7ca9b08221"></a><!-- doxytag: member="g72x.h::AUDIO_ENCODING_LINEAR" ref="a92c1ad7f36269299ba0bcb7ca9b08221" args="" -->
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<td class="memname">#define AUDIO_ENCODING_LINEAR (3)</td>
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<a class="anchor" id="ae359d76f9fbd701c7b5bd1e591d66be9"></a><!-- doxytag: member="g72x.h::AUDIO_ENCODING_ULAW" ref="ae359d76f9fbd701c7b5bd1e591d66be9" args="" -->
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<td class="memname">#define AUDIO_ENCODING_ULAW (1)</td>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ac3e8657430e0cf4d01f64e02d3a0174e"></a><!-- doxytag: member="g72x.h::alaw2linear" ref="ac3e8657430e0cf4d01f64e02d3a0174e" args="(unsigned char a_val)" -->
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<td class="memname">int alaw2linear </td>
<td>(</td>
<td class="paramtype">unsigned char </td>
<td class="paramname"> <em>a_val</em></td>
<td> ) </td>
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<a class="anchor" id="a0ea97d583383fd8bab3f9cfe62ff8bf1"></a><!-- doxytag: member="g72x.h::g721_decoder" ref="a0ea97d583383fd8bab3f9cfe62ff8bf1" args="(int code, int out_coding, struct g72x_state *state_ptr)" -->
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<td class="memname">int g721_decoder </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>code</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>out_coding</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
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<a class="anchor" id="a625d6f20de1989da0c89725dc404c882"></a><!-- doxytag: member="g72x.h::g721_encoder" ref="a625d6f20de1989da0c89725dc404c882" args="(int sample, int in_coding, struct g72x_state *state_ptr)" -->
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<td class="memname">int g721_encoder </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>sample</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>in_coding</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
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<a class="anchor" id="a3b6dd79d7aaf0a9cdab1c512a14a81df"></a><!-- doxytag: member="g72x.h::g723_24_decoder" ref="a3b6dd79d7aaf0a9cdab1c512a14a81df" args="(int code, int out_coding, struct g72x_state *state_ptr)" -->
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<td class="memname">int g723_24_decoder </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>code</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>out_coding</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
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<a class="anchor" id="a2cb7ba25f04c979287a0c8c1d5c6db44"></a><!-- doxytag: member="g72x.h::g723_24_encoder" ref="a2cb7ba25f04c979287a0c8c1d5c6db44" args="(int sample, int in_coding, struct g72x_state *state_ptr)" -->
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<td class="memname">int g723_24_encoder </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>sample</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>in_coding</em>, </td>
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<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
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<a class="anchor" id="a4f0005b001997a477f33b7b409fea743"></a><!-- doxytag: member="g72x.h::g723_40_decoder" ref="a4f0005b001997a477f33b7b409fea743" args="(int code, int out_coding, struct g72x_state *state_ptr)" -->
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<td class="memname">int g723_40_decoder </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>code</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>out_coding</em>, </td>
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<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
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<a class="anchor" id="a71736718b4c7c2efab5b29a4480c6ff6"></a><!-- doxytag: member="g72x.h::g723_40_encoder" ref="a71736718b4c7c2efab5b29a4480c6ff6" args="(int sample, int in_coding, struct g72x_state *state_ptr)" -->
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<td class="memname">int g723_40_encoder </td>
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<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
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<a class="anchor" id="a8d2e8abbe77d673980e835b3c9b45424"></a><!-- doxytag: member="g72x.h::g72x_init_state" ref="a8d2e8abbe77d673980e835b3c9b45424" args="(struct g72x_state *)" -->
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<td class="memname">void g72x_init_state </td>
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<a class="anchor" id="af9d8389f455e033063e060eaee13d0b6"></a><!-- doxytag: member="g72x.h::linear2alaw" ref="af9d8389f455e033063e060eaee13d0b6" args="(int pcm_val)" -->
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<td class="memname">unsigned char linear2alaw </td>
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<td class="paramtype">int </td>
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<a class="anchor" id="aca914334f18c15611c26a35bfe134d98"></a><!-- doxytag: member="g72x.h::linear2ulaw" ref="aca914334f18c15611c26a35bfe134d98" args="(int pcm_val)" -->
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<td class="memname">unsigned char linear2ulaw </td>
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<a class="anchor" id="ace46ad254b15fb2406f51a6eec0e0d13"></a><!-- doxytag: member="g72x.h::predictor_pole" ref="ace46ad254b15fb2406f51a6eec0e0d13" args="(struct g72x_state *state_ptr)" -->
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<td class="memname">int predictor_pole </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td>
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<a class="anchor" id="a435e4fe3c48bc271d39d4f23cd0fba59"></a><!-- doxytag: member="g72x.h::predictor_zero" ref="a435e4fe3c48bc271d39d4f23cd0fba59" args="(struct g72x_state *state_ptr)" -->
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<td class="memname">int predictor_zero </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
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<a class="anchor" id="a79ca4858023b4e424e93f50469d12bff"></a><!-- doxytag: member="g72x.h::quantize" ref="a79ca4858023b4e424e93f50469d12bff" args="(int d, int y, short *table, int size)" -->
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<td class="paramtype">int </td>
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<td>(</td>
<td class="paramtype">int </td>
<td class="paramname">, </td>
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<td class="paramtype">int </td>
<td class="paramname">, </td>
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<a class="anchor" id="a9a7e6c17fe2acfcdae3b7097731366e5"></a><!-- doxytag: member="g72x.h::step_size" ref="a9a7e6c17fe2acfcdae3b7097731366e5" args="(struct g72x_state *state_ptr)" -->
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<td class="memname">int step_size </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td>
<td> ) </td>
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<a class="anchor" id="a815b5e5cddffee7896fe2bc17e64ee55"></a><!-- doxytag: member="g72x.h::tandem_adjust_alaw" ref="a815b5e5cddffee7896fe2bc17e64ee55" args="(int sr, int se, int y, int i, int sign, short *qtab)" -->
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<td class="memname">int tandem_adjust_alaw </td>
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<td class="paramtype">int </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>y</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>i</em>, </td>
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<td class="paramtype">int </td>
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<td class="paramtype">short * </td>
<td class="paramname"> <em>qtab</em></td><td> </td>
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<td>)</td>
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<a class="anchor" id="aab32bf499fa99d9eff6983558dc8f3db"></a><!-- doxytag: member="g72x.h::tandem_adjust_ulaw" ref="aab32bf499fa99d9eff6983558dc8f3db" args="(int sr, int se, int y, int i, int sign, short *qtab)" -->
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<td class="memname">int tandem_adjust_ulaw </td>
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<td class="paramtype">int </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>se</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>y</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>i</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>sign</em>, </td>
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<td class="paramtype">short * </td>
<td class="paramname"> <em>qtab</em></td><td> </td>
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<a class="anchor" id="a1457df76b3c6cf4b48d69a7789e123de"></a><!-- doxytag: member="g72x.h::ulaw2linear" ref="a1457df76b3c6cf4b48d69a7789e123de" args="(unsigned char u_val)" -->
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<td class="memname">int ulaw2linear </td>
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<td> ) </td>
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<a class="anchor" id="a6e07fabf2aa75120f6124fe33d667b1e"></a><!-- doxytag: member="g72x.h::update" ref="a6e07fabf2aa75120f6124fe33d667b1e" args="(int code_size, int y, int wi, int fi, int dq, int sr, int dqsez, struct g72x_state *state_ptr)" -->
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<td class="memname">void update </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>code_size</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>wi</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>fi</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>dq</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>sr</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>dqsez</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structg72x__state.html">g72x_state</a> * </td>
<td class="paramname"> <em>state_ptr</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
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