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<div class="title">temporal/test-biquad.c</div> </div>
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<div class="fragment"><div class="line"><span class="preprocessor">#include <<a class="code" href="aubio_8h.html">aubio.h</a>></span></div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main (<span class="keywordtype">void</span>)</div><div class="line">{</div><div class="line"> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> win_s = 64; <span class="comment">// window size</span></div><div class="line"></div><div class="line"> <span class="comment">// create biquad filter with `b0`, `b1`, `b2`, `a1`, `a2`</span></div><div class="line"> <a class="code" href="filter_8h.html#a49b09d27ea1ef7b06d9948048143f67a">aubio_filter_t</a> * o = <a name="a0"></a><a class="code" href="biquad_8h.html#aceeb9c15639371381df42664556d7916">new_aubio_filter_biquad</a>(0.3,0.2,0.1,0.2,0.3);</div><div class="line"></div><div class="line"> <a name="_a1"></a><a class="code" href="structfvec__t.html">fvec_t</a> * in_vec = <a name="a2"></a><a class="code" href="fvec_8h.html#aa9bc0906651523429a4ebf7b4342fe73">new_fvec</a> (win_s); <span class="comment">// input buffer</span></div><div class="line"> <a class="code" href="structfvec__t.html">fvec_t</a> * tmp_vec = <a class="code" href="fvec_8h.html#aa9bc0906651523429a4ebf7b4342fe73">new_fvec</a> (win_s); <span class="comment">// temporary buffer</span></div><div class="line"> <a class="code" href="structfvec__t.html">fvec_t</a> * out_vec = <a class="code" href="fvec_8h.html#aa9bc0906651523429a4ebf7b4342fe73">new_fvec</a> (win_s); <span class="comment">// output buffer</span></div><div class="line"></div><div class="line"> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> times = 100;</div><div class="line"> <span class="keywordflow">while</span> ( times-- ) {</div><div class="line"> <span class="comment">// copy to out, then filter out</span></div><div class="line"> <a name="a3"></a><a class="code" href="filter_8h.html#af206da6d4cb1ba6fd82b6cd1bc8eaa3f">aubio_filter_do_outplace</a>(o, in_vec, out_vec);</div><div class="line"> <span class="comment">// in-place filtering</span></div><div class="line"> <a name="a4"></a><a class="code" href="filter_8h.html#aca218f7701ad142eb6c0ce95b2d1c49b">aubio_filter_do</a>(o, in_vec);</div><div class="line"> <span class="comment">// in-place filtering</span></div><div class="line"> <a name="a5"></a><a class="code" href="filter_8h.html#acae88254d736d3d02c81ef48ac64b108">aubio_filter_do_filtfilt</a>(o, in_vec, out_vec);</div><div class="line"> <a name="a6"></a><a class="code" href="fvec_8h.html#a2b2b47e5243d628a0995dde2d97e3433">fvec_print</a>(in_vec);</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="comment">// memory clean-up, one for each new</span></div><div class="line"> <a name="a7"></a><a class="code" href="filter_8h.html#a55e4be86dd74d9eddfe544bddc94e482">del_aubio_filter</a>(o);</div><div class="line"> <a name="a8"></a><a class="code" href="fvec_8h.html#a86fad6d27aad91c910d1b48195922cb9">del_fvec</a>(in_vec);</div><div class="line"> <a class="code" href="fvec_8h.html#a86fad6d27aad91c910d1b48195922cb9">del_fvec</a>(tmp_vec);</div><div class="line"> <a class="code" href="fvec_8h.html#a86fad6d27aad91c910d1b48195922cb9">del_fvec</a>(out_vec);</div><div class="line"></div><div class="line"> <span class="keywordflow">return</span> 0;</div><div class="line">}</div></div><!-- fragment --> </div><!-- contents -->
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