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| <p>Instance structure for the Q15 DCT4/IDCT4 function. |
| </p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> |
| Data Fields</h2></td></tr> |
| <tr class="memitem:a53d24009bb9b2e93d0aa07db7f1a6c25"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a53d24009bb9b2e93d0aa07db7f1a6c25">N</a></td></tr> |
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| <tr class="memitem:af43dcbbc2fc661ffbc525afe3dcbd7da"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#af43dcbbc2fc661ffbc525afe3dcbd7da">Nby2</a></td></tr> |
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| <tr class="memitem:a197098140d68e89a08f7a249003a0b86"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a197098140d68e89a08f7a249003a0b86">normalize</a></td></tr> |
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| <tr class="memitem:abc6c847e9f906781e1d5da40e9aafa76"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#abc6c847e9f906781e1d5da40e9aafa76">pTwiddle</a></td></tr> |
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| <tr class="memitem:ac76df681b1bd502fb4874c06f055dded"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#ac76df681b1bd502fb4874c06f055dded">pCosFactor</a></td></tr> |
| <tr class="separator:ac76df681b1bd502fb4874c06f055dded"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a11cf95c1cd9dd2dd5e4b81b8f88dc208"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a11cf95c1cd9dd2dd5e4b81b8f88dc208">pRfft</a></td></tr> |
| <tr class="separator:a11cf95c1cd9dd2dd5e4b81b8f88dc208"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a7284932ee8c36107c33815eb62eadffc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a7284932ee8c36107c33815eb62eadffc">pCfft</a></td></tr> |
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| </table> |
| <h2 class="groupheader">Field Documentation</h2> |
| <a class="anchor" id="a53d24009bb9b2e93d0aa07db7f1a6c25"></a> |
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| <td class="memname">uint16_t arm_dct4_instance_q15::N</td> |
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| <p>length of the DCT4. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p> |
| |
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| <a class="anchor" id="af43dcbbc2fc661ffbc525afe3dcbd7da"></a> |
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| <td class="memname">uint16_t arm_dct4_instance_q15::Nby2</td> |
| </tr> |
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| </div><div class="memdoc"> |
| <p>half of the length of the DCT4. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p> |
| |
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| </div> |
| <a class="anchor" id="a197098140d68e89a08f7a249003a0b86"></a> |
| <div class="memitem"> |
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| <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> arm_dct4_instance_q15::normalize</td> |
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| <p>normalizing factor. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a7284932ee8c36107c33815eb62eadffc"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a>* arm_dct4_instance_q15::pCfft</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>points to the complex FFT instance. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ac76df681b1bd502fb4874c06f055dded"></a> |
| <div class="memitem"> |
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| <tr> |
| <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* arm_dct4_instance_q15::pCosFactor</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>points to the cosFactor table. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p> |
| |
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| <a class="anchor" id="a11cf95c1cd9dd2dd5e4b81b8f88dc208"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a>* arm_dct4_instance_q15::pRfft</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>points to the real FFT instance. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="abc6c847e9f906781e1d5da40e9aafa76"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
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| <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* arm_dct4_instance_q15::pTwiddle</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>points to the twiddle factor table. </p> |
| |
| <p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p> |
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