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 <span id="projectnumber">v2.4.1</span>
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<div class="title">channel.h</div> </div>
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<a href="channel_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * @file channel.h</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * @brief Functions for interacting with DSP audio channels.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">///@name Data types</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">///@{</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">/// Supported sample encodings.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span><span class="keyword">enum</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> {</div>
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<div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ae4f3bbb73c75334eed7c63bb947e3ec1"> 12</a></span>  <a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ae4f3bbb73c75334eed7c63bb947e3ec1">NDSP_ENCODING_PCM8</a> = 0, <span class="comment">///< PCM8</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="channel_8h.html#a458e651af6690959efa2afb96be7d609a641b555f1e09eb8ab7e684df4cdd463a"> 13</a></span>  <a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609a641b555f1e09eb8ab7e684df4cdd463a">NDSP_ENCODING_PCM16</a>, <span class="comment">///< PCM16</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ac588413fc3520d386b805e6db0c23c96"> 14</a></span>  <a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ac588413fc3520d386b805e6db0c23c96">NDSP_ENCODING_ADPCM</a>, <span class="comment">///< DSPADPCM (GameCube format)</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> };</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">/// Specifies the number of channels used in a sample.</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d"> 18</a></span> <span class="comment"></span><span class="preprocessor">#define NDSP_CHANNELS(n) ((u32)(n) & 3)</span><span class="comment"></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">/// Specifies the encoding used in a sample.</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd"> 20</a></span> <span class="comment"></span><span class="preprocessor">#define NDSP_ENCODING(n) (((u32)(n) & 3) << 2)</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">/// Channel format flags for use with ndspChnSetFormat.</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"></span><span class="keyword">enum</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4d9a3eff8fae0658ed120ebadd5c6f42"> 25</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4d9a3eff8fae0658ed120ebadd5c6f42">NDSP_FORMAT_MONO_PCM8</a> = <a class="code" href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d">NDSP_CHANNELS</a>(1) | <a class="code" href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd">NDSP_ENCODING</a>(<a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ae4f3bbb73c75334eed7c63bb947e3ec1">NDSP_ENCODING_PCM8</a>), <span class="comment">///< Buffer contains Mono PCM8.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562af9368c39428fe9513f993ee4e9444cb6"> 26</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562af9368c39428fe9513f993ee4e9444cb6">NDSP_FORMAT_MONO_PCM16</a> = <a class="code" href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d">NDSP_CHANNELS</a>(1) | <a class="code" href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd">NDSP_ENCODING</a>(<a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609a641b555f1e09eb8ab7e684df4cdd463a">NDSP_ENCODING_PCM16</a>), <span class="comment">///< Buffer contains Mono PCM16.</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a9e89ff35ab28474c60a4a642b3da2494"> 27</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a9e89ff35ab28474c60a4a642b3da2494">NDSP_FORMAT_MONO_ADPCM</a> = <a class="code" href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d">NDSP_CHANNELS</a>(1) | <a class="code" href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd">NDSP_ENCODING</a>(<a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ac588413fc3520d386b805e6db0c23c96">NDSP_ENCODING_ADPCM</a>), <span class="comment">///< Buffer contains Mono ADPCM.</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a5c451e1cb286465f8467767bc33696a3"> 28</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a5c451e1cb286465f8467767bc33696a3">NDSP_FORMAT_STEREO_PCM8</a> = <a class="code" href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d">NDSP_CHANNELS</a>(2) | <a class="code" href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd">NDSP_ENCODING</a>(<a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609ae4f3bbb73c75334eed7c63bb947e3ec1">NDSP_ENCODING_PCM8</a>), <span class="comment">///< Buffer contains Stereo PCM8.</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a834e1e072bc81fa728389d8759fc51b3"> 29</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a834e1e072bc81fa728389d8759fc51b3">NDSP_FORMAT_STEREO_PCM16</a> = <a class="code" href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d">NDSP_CHANNELS</a>(2) | <a class="code" href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd">NDSP_ENCODING</a>(<a class="code" href="channel_8h.html#a458e651af6690959efa2afb96be7d609a641b555f1e09eb8ab7e684df4cdd463a">NDSP_ENCODING_PCM16</a>), <span class="comment">///< Buffer contains Stereo PCM16.</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562afa20b191a6601f6634c5851b685da433"> 31</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562afa20b191a6601f6634c5851b685da433">NDSP_FORMAT_PCM8</a> = <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4d9a3eff8fae0658ed120ebadd5c6f42">NDSP_FORMAT_MONO_PCM8</a>, <span class="comment">///< (Alias) Buffer contains Mono PCM8.</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a462360a2e9ccc2ccd634f1751c653477"> 32</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a462360a2e9ccc2ccd634f1751c653477">NDSP_FORMAT_PCM16</a> = <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562af9368c39428fe9513f993ee4e9444cb6">NDSP_FORMAT_MONO_PCM16</a>, <span class="comment">///< (Alias) Buffer contains Mono PCM16.</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4b28453b73b164bd85d5deaa084c357e"> 33</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4b28453b73b164bd85d5deaa084c357e">NDSP_FORMAT_ADPCM</a> = <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a9e89ff35ab28474c60a4a642b3da2494">NDSP_FORMAT_MONO_ADPCM</a>, <span class="comment">///< (Alias) Buffer contains Mono ADPCM.</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// Flags</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a21a2e8f1b3fea65d9d636ebae1df2533"> 36</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a21a2e8f1b3fea65d9d636ebae1df2533">NDSP_FRONT_BYPASS</a> = <a class="code" href="types_8h.html#a3a8ea58898cb58fc96013383d39f482c">BIT</a>(4), <span class="comment">///< Front bypass.</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a7af2e3b4de379053f3edde298c3391ed"> 37</a></span>  <a class="code" href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a7af2e3b4de379053f3edde298c3391ed">NDSP_3D_SURROUND_PREPROCESSED</a> = <a class="code" href="types_8h.html#a3a8ea58898cb58fc96013383d39f482c">BIT</a>(6), <span class="comment">///< (?) Unknown, under research</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">/// Interpolation types.</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3"> 41</a></span> <span class="comment"></span><span class="keyword">typedef</span> <span class="keyword">enum</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3ac8e204d77e18ef8913e2eab1b18e002b"> 43</a></span>  <a class="code" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3ac8e204d77e18ef8913e2eab1b18e002b">NDSP_INTERP_POLYPHASE</a> = 0, <span class="comment">///< Polyphase interpolation</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3a0d5a9ea8e53a246b1ac65dc294a5fd53"> 44</a></span>  <a class="code" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3a0d5a9ea8e53a246b1ac65dc294a5fd53">NDSP_INTERP_LINEAR</a> = 1, <span class="comment">///< Linear interpolation</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3ad9872be8d23d3d2023e205d5f5fb388c"> 45</a></span>  <a class="code" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3ad9872be8d23d3d2023e205d5f5fb388c">NDSP_INTERP_NONE</a> = 2, <span class="comment">///< No interpolation</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> } <a class="code" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3">ndspInterpType</a>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">///@}</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"></span><span class="comment"></span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">///@name Basic channel operation</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">///@{</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"></span><span class="comment">/**</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * @brief Resets a channel.</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="channel_8h.html#a7b755904976d3b04b3303475d9605bd8"> 56</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a7b755904976d3b04b3303475d9605bd8">ndspChnReset</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * @brief Initializes the parameters of a channel.</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="channel_8h.html#a0936956c6d5700cdbab4ea3e3304f19d"> 62</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a0936956c6d5700cdbab4ea3e3304f19d">ndspChnInitParams</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * @brief Checks whether a channel is currently playing.</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * @return Whether the channel is currently playing.</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="channel_8h.html#a0eee6c9ebf357c8d55d087a378178f9b"> 69</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a0eee6c9ebf357c8d55d087a378178f9b">ndspChnIsPlaying</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * @brief Gets the current sample position of a channel.</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> * @return The channel's sample position.</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="channel_8h.html#a827bf43cb8dd8ccaa74a29456589a39d"> 76</a></span> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> <a class="code" href="channel_8h.html#a827bf43cb8dd8ccaa74a29456589a39d">ndspChnGetSamplePos</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * @brief Gets the sequence ID of the wave buffer that is currently playing in a channel.</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * @return The sequence ID of the wave buffer.</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="channel_8h.html#a17607395e3725f7a35b4395cbd59cb60"> 83</a></span> <a class="code" href="types_8h.html#ace9d960e74685e2cd84b36132dbbf8aa">u16</a> <a class="code" href="channel_8h.html#a17607395e3725f7a35b4395cbd59cb60">ndspChnGetWaveBufSeq</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> * @brief Checks whether a channel is currently paused.</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> * @return Whether the channel is currently paused.</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="channel_8h.html#a8a14aa007d2ca0d6e87a90edf64e03b5"> 90</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a8a14aa007d2ca0d6e87a90edf64e03b5">ndspChnIsPaused</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * @brief Sets the pause status of a channel.</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> * @param paused Whether the channel is to be paused (true) or unpaused (false).</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="channel_8h.html#acdd5e211d825656d78503e111e98de6e"> 97</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#acdd5e211d825656d78503e111e98de6e">ndspChnSetPaused</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">bool</span> paused);</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">///@}</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"></span><span class="comment"></span> </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">///@name Configuration</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">///@{</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"></span><span class="comment">/**</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * @brief Sets the format of a channel.</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * @param format Format to use.</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="channel_8h.html#a7986171c79c227443ef5ea60c464de23"> 108</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a7986171c79c227443ef5ea60c464de23">ndspChnSetFormat</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <a class="code" href="types_8h.html#ace9d960e74685e2cd84b36132dbbf8aa">u16</a> format);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * </span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> * @brief Gets the format of a channel.</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * @return The format of the channel.</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="channel_8h.html#a10f1f8593e8df973c62a16367731c590"> 116</a></span> <a class="code" href="types_8h.html#ace9d960e74685e2cd84b36132dbbf8aa">u16</a> <a class="code" href="channel_8h.html#a10f1f8593e8df973c62a16367731c590">ndspChnGetFormat</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * @brief Sets the interpolation type of a channel.</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * @param type Interpolation type to use.</span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="channel_8h.html#ac98e0b63e35e22aeea5265fd93f5206f"> 123</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#ac98e0b63e35e22aeea5265fd93f5206f">ndspChnSetInterp</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <a class="code" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3">ndspInterpType</a> type);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> * @brief Gets the interpolation type of a channel.</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> * @return The interpolation type of the channel.</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="channel_8h.html#a5b51c4320d90814f037c1d58140ff17f"> 130</a></span> <a class="code" href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3">ndspInterpType</a> <a class="code" href="channel_8h.html#a5b51c4320d90814f037c1d58140ff17f">ndspChnGetInterp</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * @brief Sets the sample rate of a channel.</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> * @param rate Sample rate to use.</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="channel_8h.html#a6f1076a8981a5b6722b912ca969162ea"> 137</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a6f1076a8981a5b6722b912ca969162ea">ndspChnSetRate</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> rate);</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> * @brief Gets the sample rate of a channel.</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> * @return The sample rate of the channel.</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="channel_8h.html#afc939493191883e908783048fa0216b4"> 144</a></span> <span class="keywordtype">float</span> <a class="code" href="channel_8h.html#afc939493191883e908783048fa0216b4">ndspChnGetRate</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * @brief Sets the mix parameters (volumes) of a channel.</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * @param mix Mix parameters to use. Working hypothesis:</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * - 0: Front left volume.</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * - 1: Front right volume.</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * - 2: Back left volume:</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * - 3: Back right volume:</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * - 4..7: Same as 0..3, but for auxiliary output 0.</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> * - 8..11: Same as 0..3, but for auxiliary output 1.</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="channel_8h.html#a30eb26f1972cc3ec28370263796c0444"> 157</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a30eb26f1972cc3ec28370263796c0444">ndspChnSetMix</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> mix[12]);</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * @brief Gets the mix parameters (volumes) of a channel.</span></div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * @param id ID of the channel (0..23)</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> * @param mix Mix parameters to write out to. See \ref ndspChnSetMix.</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="channel_8h.html#a42c4aac60efde6f7b5ab273aee906a62"> 164</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a42c4aac60efde6f7b5ab273aee906a62">ndspChnGetMix</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> mix[12]);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * @brief Sets the DSPADPCM coefficients of a channel.</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * @param coefs DSPADPCM coefficients to use.</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="channel_8h.html#adbd48651f22341bb93cb9b7f1304a00f"> 171</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#adbd48651f22341bb93cb9b7f1304a00f">ndspChnSetAdpcmCoefs</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <a class="code" href="types_8h.html#ace9d960e74685e2cd84b36132dbbf8aa">u16</a> coefs[16]);<span class="comment"></span></div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment">///@}</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"></span><span class="comment"></span> </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment">///@name Wave buffers</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">///@{</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"></span><span class="comment">/**</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * @brief Clears the wave buffer queue of a channel and stops playback.</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="channel_8h.html#a054a58a102d00590a33101fe0de516e6"> 180</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a054a58a102d00590a33101fe0de516e6">ndspChnWaveBufClear</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * @brief Adds a wave buffer to the wave buffer queue of a channel.</span></div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> * @remark If the channel's wave buffer queue was empty before the use of this function, playback is started.</span></div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> * @param buf Wave buffer to add.</span></div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="channel_8h.html#a354a90dd921879724d62d325c0128d6b"> 188</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a354a90dd921879724d62d325c0128d6b">ndspChnWaveBufAdd</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, ndspWaveBuf* buf);<span class="comment"></span></div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">///@}</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"></span><span class="comment"></span> </div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">///@name IIR filters</span></div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment">///@{</span></div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"></span><span class="comment">/**</span></div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> * @brief Configures whether the IIR monopole filter of a channel is enabled.</span></div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * @param enable Whether to enable the IIR monopole filter.</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="channel_8h.html#a1da3b363c2edfd318c92276b527daae6"> 198</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#a1da3b363c2edfd318c92276b527daae6">ndspChnIirMonoSetEnable</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">bool</span> enable);<span class="comment"></span></div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * @brief Manually sets up the parameters on monopole filter</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * @param enable Whether to enable the IIR monopole filter.</span></div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="channel_8h.html#a4b7db8c300510523f0d13b4a88416c4d"> 204</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a4b7db8c300510523f0d13b4a88416c4d">ndspChnIirMonoSetParamsCustomFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> a0, <span class="keywordtype">float</span> a1, <span class="keywordtype">float</span> b0);<span class="comment"></span></div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> * @brief Sets the monopole to be a low pass filter. (Note: This is a lower-quality filter than the biquad one.)</span></div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> * @param f0 Low pass cut-off frequency.</span></div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="channel_8h.html#abebeff0925fc86405750720efc11a7d0"> 210</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#abebeff0925fc86405750720efc11a7d0">ndspChnIirMonoSetParamsLowPassFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0);<span class="comment"></span></div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> * @brief Sets the monopole to be a high pass filter. (Note: This is a lower-quality filter than the biquad one.)</span></div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * @param f0 High pass cut-off frequency.</span></div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="channel_8h.html#a7e45d6a7193825ea7cd9bf9c6b8a6548"> 216</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a7e45d6a7193825ea7cd9bf9c6b8a6548">ndspChnIirMonoSetParamsHighPassFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0);<span class="comment"></span></div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> * @brief Configures whether the IIR biquad filter of a channel is enabled.</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> * @param enable Whether to enable the IIR biquad filter.</span></div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="channel_8h.html#aafb95ce3188816694c51e30d7a64d8af"> 222</a></span> <span class="keywordtype">void</span> <a class="code" href="channel_8h.html#aafb95ce3188816694c51e30d7a64d8af">ndspChnIirBiquadSetEnable</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">bool</span> enable);<span class="comment"></span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> * @brief Manually sets up the parameters of the biquad filter</span></div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="channel_8h.html#a7334f9d5dc89a43a5a78877665281fdc"> 227</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a7334f9d5dc89a43a5a78877665281fdc">ndspChnIirBiquadSetParamsCustomFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> a0, <span class="keywordtype">float</span> a1, <span class="keywordtype">float</span> a2, <span class="keywordtype">float</span> b0, <span class="keywordtype">float</span> b1, <span class="keywordtype">float</span> b2);<span class="comment"></span></div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * @brief Sets the biquad to be a low pass filter.</span></div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * @param f0 Low pass cut-off frequency.</span></div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> * @param Q "Quality factor", typically should be sqrt(2)/2 (i.e. 0.7071).</span></div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="channel_8h.html#a78516636efb5eacd7b88ee54bd15bfb3"> 234</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a78516636efb5eacd7b88ee54bd15bfb3">ndspChnIirBiquadSetParamsLowPassFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0, <span class="keywordtype">float</span> Q);<span class="comment"></span></div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> * @brief Sets the biquad to be a high pass filter.</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * @param f0 High pass cut-off frequency.</span></div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * @param Q "Quality factor", typically should be sqrt(2)/2 (i.e. 0.7071).</span></div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="channel_8h.html#a8f543d0b8a10acbfb380b93b7bd47a75"> 241</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a8f543d0b8a10acbfb380b93b7bd47a75">ndspChnIirBiquadSetParamsHighPassFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0, <span class="keywordtype">float</span> Q);<span class="comment"></span></div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> * @brief Sets the biquad to be a band pass filter.</span></div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> * @param f0 Mid-frequency.</span></div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * @param Q "Quality factor", typically should be sqrt(2)/2 (i.e. 0.7071).</span></div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="channel_8h.html#af6c9d1d59c93164aae5a54ee7e8db2a9"> 248</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#af6c9d1d59c93164aae5a54ee7e8db2a9">ndspChnIirBiquadSetParamsBandPassFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0, <span class="keywordtype">float</span> Q);<span class="comment"></span></div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * @brief Sets the biquad to be a notch filter.</span></div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * @param f0 Notch frequency.</span></div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * @param Q "Quality factor", typically should be sqrt(2)/2 (i.e. 0.7071).</span></div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="channel_8h.html#a671f5c90eb859c13eab4adf29f7943b3"> 255</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a671f5c90eb859c13eab4adf29f7943b3">ndspChnIirBiquadSetParamsNotchFilter</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0, <span class="keywordtype">float</span> Q);<span class="comment"></span></div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * @brief Sets the biquad to be a peaking equalizer.</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * @param id ID of the channel (0..23).</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * @param f0 Central frequency.</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> * @param Q "Quality factor", typically should be sqrt(2)/2 (i.e. 0.7071).</span></div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> * @param gain Amount of gain (raw value = 10 ^ dB/40)</span></div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="channel_8h.html#a9ebeb91e95d5146358d0923a9d6fee0a"> 263</a></span> <span class="keywordtype">bool</span> <a class="code" href="channel_8h.html#a9ebeb91e95d5146358d0923a9d6fee0a">ndspChnIirBiquadSetParamsPeakingEqualizer</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">float</span> f0, <span class="keywordtype">float</span> Q, <span class="keywordtype">float</span> gain);<span class="comment"></span></div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment">///@}</span></div>
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<div class="ttc" id="achannel_8h_html_a054a58a102d00590a33101fe0de516e6"><div class="ttname"><a href="channel_8h.html#a054a58a102d00590a33101fe0de516e6">ndspChnWaveBufClear</a></div><div class="ttdeci">void ndspChnWaveBufClear(int id)</div><div class="ttdoc">Clears the wave buffer queue of a channel and stops playback.</div></div>
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<div class="ttc" id="achannel_8h_html_a0936956c6d5700cdbab4ea3e3304f19d"><div class="ttname"><a href="channel_8h.html#a0936956c6d5700cdbab4ea3e3304f19d">ndspChnInitParams</a></div><div class="ttdeci">void ndspChnInitParams(int id)</div><div class="ttdoc">Initializes the parameters of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a0eee6c9ebf357c8d55d087a378178f9b"><div class="ttname"><a href="channel_8h.html#a0eee6c9ebf357c8d55d087a378178f9b">ndspChnIsPlaying</a></div><div class="ttdeci">bool ndspChnIsPlaying(int id)</div><div class="ttdoc">Checks whether a channel is currently playing.</div></div>
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<div class="ttc" id="achannel_8h_html_a10f1f8593e8df973c62a16367731c590"><div class="ttname"><a href="channel_8h.html#a10f1f8593e8df973c62a16367731c590">ndspChnGetFormat</a></div><div class="ttdeci">u16 ndspChnGetFormat(int id)</div><div class="ttdoc">Gets the format of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a17607395e3725f7a35b4395cbd59cb60"><div class="ttname"><a href="channel_8h.html#a17607395e3725f7a35b4395cbd59cb60">ndspChnGetWaveBufSeq</a></div><div class="ttdeci">u16 ndspChnGetWaveBufSeq(int id)</div><div class="ttdoc">Gets the sequence ID of the wave buffer that is currently playing in a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a1da3b363c2edfd318c92276b527daae6"><div class="ttname"><a href="channel_8h.html#a1da3b363c2edfd318c92276b527daae6">ndspChnIirMonoSetEnable</a></div><div class="ttdeci">void ndspChnIirMonoSetEnable(int id, bool enable)</div><div class="ttdoc">Configures whether the IIR monopole filter of a channel is enabled.</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a21a2e8f1b3fea65d9d636ebae1df2533"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a21a2e8f1b3fea65d9d636ebae1df2533">NDSP_FRONT_BYPASS</a></div><div class="ttdeci">@ NDSP_FRONT_BYPASS</div><div class="ttdoc">Front bypass.</div><div class="ttdef"><b>Definition:</b> channel.h:36</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a462360a2e9ccc2ccd634f1751c653477"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a462360a2e9ccc2ccd634f1751c653477">NDSP_FORMAT_PCM16</a></div><div class="ttdeci">@ NDSP_FORMAT_PCM16</div><div class="ttdoc">(Alias) Buffer contains Mono PCM16.</div><div class="ttdef"><b>Definition:</b> channel.h:32</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a4b28453b73b164bd85d5deaa084c357e"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4b28453b73b164bd85d5deaa084c357e">NDSP_FORMAT_ADPCM</a></div><div class="ttdeci">@ NDSP_FORMAT_ADPCM</div><div class="ttdoc">(Alias) Buffer contains Mono ADPCM.</div><div class="ttdef"><b>Definition:</b> channel.h:33</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a4d9a3eff8fae0658ed120ebadd5c6f42"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a4d9a3eff8fae0658ed120ebadd5c6f42">NDSP_FORMAT_MONO_PCM8</a></div><div class="ttdeci">@ NDSP_FORMAT_MONO_PCM8</div><div class="ttdoc">Buffer contains Mono PCM8.</div><div class="ttdef"><b>Definition:</b> channel.h:25</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a5c451e1cb286465f8467767bc33696a3"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a5c451e1cb286465f8467767bc33696a3">NDSP_FORMAT_STEREO_PCM8</a></div><div class="ttdeci">@ NDSP_FORMAT_STEREO_PCM8</div><div class="ttdoc">Buffer contains Stereo PCM8.</div><div class="ttdef"><b>Definition:</b> channel.h:28</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a7af2e3b4de379053f3edde298c3391ed"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a7af2e3b4de379053f3edde298c3391ed">NDSP_3D_SURROUND_PREPROCESSED</a></div><div class="ttdeci">@ NDSP_3D_SURROUND_PREPROCESSED</div><div class="ttdoc">(?) Unknown, under research</div><div class="ttdef"><b>Definition:</b> channel.h:37</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a834e1e072bc81fa728389d8759fc51b3"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a834e1e072bc81fa728389d8759fc51b3">NDSP_FORMAT_STEREO_PCM16</a></div><div class="ttdeci">@ NDSP_FORMAT_STEREO_PCM16</div><div class="ttdoc">Buffer contains Stereo PCM16.</div><div class="ttdef"><b>Definition:</b> channel.h:29</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562a9e89ff35ab28474c60a4a642b3da2494"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562a9e89ff35ab28474c60a4a642b3da2494">NDSP_FORMAT_MONO_ADPCM</a></div><div class="ttdeci">@ NDSP_FORMAT_MONO_ADPCM</div><div class="ttdoc">Buffer contains Mono ADPCM.</div><div class="ttdef"><b>Definition:</b> channel.h:27</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562af9368c39428fe9513f993ee4e9444cb6"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562af9368c39428fe9513f993ee4e9444cb6">NDSP_FORMAT_MONO_PCM16</a></div><div class="ttdeci">@ NDSP_FORMAT_MONO_PCM16</div><div class="ttdoc">Buffer contains Mono PCM16.</div><div class="ttdef"><b>Definition:</b> channel.h:26</div></div>
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<div class="ttc" id="achannel_8h_html_a1f9aebf1de3ebbf4283a4dcf73308562afa20b191a6601f6634c5851b685da433"><div class="ttname"><a href="channel_8h.html#a1f9aebf1de3ebbf4283a4dcf73308562afa20b191a6601f6634c5851b685da433">NDSP_FORMAT_PCM8</a></div><div class="ttdeci">@ NDSP_FORMAT_PCM8</div><div class="ttdoc">(Alias) Buffer contains Mono PCM8.</div><div class="ttdef"><b>Definition:</b> channel.h:31</div></div>
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<div class="ttc" id="achannel_8h_html_a30eb26f1972cc3ec28370263796c0444"><div class="ttname"><a href="channel_8h.html#a30eb26f1972cc3ec28370263796c0444">ndspChnSetMix</a></div><div class="ttdeci">void ndspChnSetMix(int id, float mix[12])</div><div class="ttdoc">Sets the mix parameters (volumes) of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a354a90dd921879724d62d325c0128d6b"><div class="ttname"><a href="channel_8h.html#a354a90dd921879724d62d325c0128d6b">ndspChnWaveBufAdd</a></div><div class="ttdeci">void ndspChnWaveBufAdd(int id, ndspWaveBuf *buf)</div><div class="ttdoc">Adds a wave buffer to the wave buffer queue of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a42c4aac60efde6f7b5ab273aee906a62"><div class="ttname"><a href="channel_8h.html#a42c4aac60efde6f7b5ab273aee906a62">ndspChnGetMix</a></div><div class="ttdeci">void ndspChnGetMix(int id, float mix[12])</div><div class="ttdoc">Gets the mix parameters (volumes) of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a458e651af6690959efa2afb96be7d609a641b555f1e09eb8ab7e684df4cdd463a"><div class="ttname"><a href="channel_8h.html#a458e651af6690959efa2afb96be7d609a641b555f1e09eb8ab7e684df4cdd463a">NDSP_ENCODING_PCM16</a></div><div class="ttdeci">@ NDSP_ENCODING_PCM16</div><div class="ttdoc">PCM16.</div><div class="ttdef"><b>Definition:</b> channel.h:13</div></div>
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<div class="ttc" id="achannel_8h_html_a458e651af6690959efa2afb96be7d609ac588413fc3520d386b805e6db0c23c96"><div class="ttname"><a href="channel_8h.html#a458e651af6690959efa2afb96be7d609ac588413fc3520d386b805e6db0c23c96">NDSP_ENCODING_ADPCM</a></div><div class="ttdeci">@ NDSP_ENCODING_ADPCM</div><div class="ttdoc">DSPADPCM (GameCube format)</div><div class="ttdef"><b>Definition:</b> channel.h:14</div></div>
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<div class="ttc" id="achannel_8h_html_a458e651af6690959efa2afb96be7d609ae4f3bbb73c75334eed7c63bb947e3ec1"><div class="ttname"><a href="channel_8h.html#a458e651af6690959efa2afb96be7d609ae4f3bbb73c75334eed7c63bb947e3ec1">NDSP_ENCODING_PCM8</a></div><div class="ttdeci">@ NDSP_ENCODING_PCM8</div><div class="ttdoc">PCM8.</div><div class="ttdef"><b>Definition:</b> channel.h:12</div></div>
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<div class="ttc" id="achannel_8h_html_a4b7db8c300510523f0d13b4a88416c4d"><div class="ttname"><a href="channel_8h.html#a4b7db8c300510523f0d13b4a88416c4d">ndspChnIirMonoSetParamsCustomFilter</a></div><div class="ttdeci">bool ndspChnIirMonoSetParamsCustomFilter(int id, float a0, float a1, float b0)</div><div class="ttdoc">Manually sets up the parameters on monopole filter.</div></div>
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<div class="ttc" id="achannel_8h_html_a5b51c4320d90814f037c1d58140ff17f"><div class="ttname"><a href="channel_8h.html#a5b51c4320d90814f037c1d58140ff17f">ndspChnGetInterp</a></div><div class="ttdeci">ndspInterpType ndspChnGetInterp(int id)</div><div class="ttdoc">Gets the interpolation type of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a6319005cb21b18395a1452e95aabbec3"><div class="ttname"><a href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3">ndspInterpType</a></div><div class="ttdeci">ndspInterpType</div><div class="ttdoc">Interpolation types.</div><div class="ttdef"><b>Definition:</b> channel.h:42</div></div>
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<div class="ttc" id="achannel_8h_html_a6319005cb21b18395a1452e95aabbec3a0d5a9ea8e53a246b1ac65dc294a5fd53"><div class="ttname"><a href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3a0d5a9ea8e53a246b1ac65dc294a5fd53">NDSP_INTERP_LINEAR</a></div><div class="ttdeci">@ NDSP_INTERP_LINEAR</div><div class="ttdoc">Linear interpolation.</div><div class="ttdef"><b>Definition:</b> channel.h:44</div></div>
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<div class="ttc" id="achannel_8h_html_a6319005cb21b18395a1452e95aabbec3ac8e204d77e18ef8913e2eab1b18e002b"><div class="ttname"><a href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3ac8e204d77e18ef8913e2eab1b18e002b">NDSP_INTERP_POLYPHASE</a></div><div class="ttdeci">@ NDSP_INTERP_POLYPHASE</div><div class="ttdoc">Polyphase interpolation.</div><div class="ttdef"><b>Definition:</b> channel.h:43</div></div>
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<div class="ttc" id="achannel_8h_html_a6319005cb21b18395a1452e95aabbec3ad9872be8d23d3d2023e205d5f5fb388c"><div class="ttname"><a href="channel_8h.html#a6319005cb21b18395a1452e95aabbec3ad9872be8d23d3d2023e205d5f5fb388c">NDSP_INTERP_NONE</a></div><div class="ttdeci">@ NDSP_INTERP_NONE</div><div class="ttdoc">No interpolation.</div><div class="ttdef"><b>Definition:</b> channel.h:45</div></div>
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<div class="ttc" id="achannel_8h_html_a671f5c90eb859c13eab4adf29f7943b3"><div class="ttname"><a href="channel_8h.html#a671f5c90eb859c13eab4adf29f7943b3">ndspChnIirBiquadSetParamsNotchFilter</a></div><div class="ttdeci">bool ndspChnIirBiquadSetParamsNotchFilter(int id, float f0, float Q)</div><div class="ttdoc">Sets the biquad to be a notch filter.</div></div>
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<div class="ttc" id="achannel_8h_html_a6a3d697b96706c5e9750122d9db592cd"><div class="ttname"><a href="channel_8h.html#a6a3d697b96706c5e9750122d9db592cd">NDSP_ENCODING</a></div><div class="ttdeci">#define NDSP_ENCODING(n)</div><div class="ttdoc">Specifies the encoding used in a sample.</div><div class="ttdef"><b>Definition:</b> channel.h:20</div></div>
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<div class="ttc" id="achannel_8h_html_a6f1076a8981a5b6722b912ca969162ea"><div class="ttname"><a href="channel_8h.html#a6f1076a8981a5b6722b912ca969162ea">ndspChnSetRate</a></div><div class="ttdeci">void ndspChnSetRate(int id, float rate)</div><div class="ttdoc">Sets the sample rate of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a7334f9d5dc89a43a5a78877665281fdc"><div class="ttname"><a href="channel_8h.html#a7334f9d5dc89a43a5a78877665281fdc">ndspChnIirBiquadSetParamsCustomFilter</a></div><div class="ttdeci">bool ndspChnIirBiquadSetParamsCustomFilter(int id, float a0, float a1, float a2, float b0, float b1, float b2)</div><div class="ttdoc">Manually sets up the parameters of the biquad filter.</div></div>
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<div class="ttc" id="achannel_8h_html_a78516636efb5eacd7b88ee54bd15bfb3"><div class="ttname"><a href="channel_8h.html#a78516636efb5eacd7b88ee54bd15bfb3">ndspChnIirBiquadSetParamsLowPassFilter</a></div><div class="ttdeci">bool ndspChnIirBiquadSetParamsLowPassFilter(int id, float f0, float Q)</div><div class="ttdoc">Sets the biquad to be a low pass filter.</div></div>
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<div class="ttc" id="achannel_8h_html_a7986171c79c227443ef5ea60c464de23"><div class="ttname"><a href="channel_8h.html#a7986171c79c227443ef5ea60c464de23">ndspChnSetFormat</a></div><div class="ttdeci">void ndspChnSetFormat(int id, u16 format)</div><div class="ttdoc">Sets the format of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a7b755904976d3b04b3303475d9605bd8"><div class="ttname"><a href="channel_8h.html#a7b755904976d3b04b3303475d9605bd8">ndspChnReset</a></div><div class="ttdeci">void ndspChnReset(int id)</div><div class="ttdoc">Resets a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a7e45d6a7193825ea7cd9bf9c6b8a6548"><div class="ttname"><a href="channel_8h.html#a7e45d6a7193825ea7cd9bf9c6b8a6548">ndspChnIirMonoSetParamsHighPassFilter</a></div><div class="ttdeci">bool ndspChnIirMonoSetParamsHighPassFilter(int id, float f0)</div><div class="ttdoc">Sets the monopole to be a high pass filter.</div></div>
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<div class="ttc" id="achannel_8h_html_a827bf43cb8dd8ccaa74a29456589a39d"><div class="ttname"><a href="channel_8h.html#a827bf43cb8dd8ccaa74a29456589a39d">ndspChnGetSamplePos</a></div><div class="ttdeci">u32 ndspChnGetSamplePos(int id)</div><div class="ttdoc">Gets the current sample position of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_a8a14aa007d2ca0d6e87a90edf64e03b5"><div class="ttname"><a href="channel_8h.html#a8a14aa007d2ca0d6e87a90edf64e03b5">ndspChnIsPaused</a></div><div class="ttdeci">bool ndspChnIsPaused(int id)</div><div class="ttdoc">Checks whether a channel is currently paused.</div></div>
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<div class="ttc" id="achannel_8h_html_a8f543d0b8a10acbfb380b93b7bd47a75"><div class="ttname"><a href="channel_8h.html#a8f543d0b8a10acbfb380b93b7bd47a75">ndspChnIirBiquadSetParamsHighPassFilter</a></div><div class="ttdeci">bool ndspChnIirBiquadSetParamsHighPassFilter(int id, float f0, float Q)</div><div class="ttdoc">Sets the biquad to be a high pass filter.</div></div>
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<div class="ttc" id="achannel_8h_html_a9ebeb91e95d5146358d0923a9d6fee0a"><div class="ttname"><a href="channel_8h.html#a9ebeb91e95d5146358d0923a9d6fee0a">ndspChnIirBiquadSetParamsPeakingEqualizer</a></div><div class="ttdeci">bool ndspChnIirBiquadSetParamsPeakingEqualizer(int id, float f0, float Q, float gain)</div><div class="ttdoc">Sets the biquad to be a peaking equalizer.</div></div>
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<div class="ttc" id="achannel_8h_html_aafb95ce3188816694c51e30d7a64d8af"><div class="ttname"><a href="channel_8h.html#aafb95ce3188816694c51e30d7a64d8af">ndspChnIirBiquadSetEnable</a></div><div class="ttdeci">void ndspChnIirBiquadSetEnable(int id, bool enable)</div><div class="ttdoc">Configures whether the IIR biquad filter of a channel is enabled.</div></div>
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<div class="ttc" id="achannel_8h_html_ab722b50ffe7e9b2f87e2fb5200c2638d"><div class="ttname"><a href="channel_8h.html#ab722b50ffe7e9b2f87e2fb5200c2638d">NDSP_CHANNELS</a></div><div class="ttdeci">#define NDSP_CHANNELS(n)</div><div class="ttdoc">Specifies the number of channels used in a sample.</div><div class="ttdef"><b>Definition:</b> channel.h:18</div></div>
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<div class="ttc" id="achannel_8h_html_abebeff0925fc86405750720efc11a7d0"><div class="ttname"><a href="channel_8h.html#abebeff0925fc86405750720efc11a7d0">ndspChnIirMonoSetParamsLowPassFilter</a></div><div class="ttdeci">bool ndspChnIirMonoSetParamsLowPassFilter(int id, float f0)</div><div class="ttdoc">Sets the monopole to be a low pass filter.</div></div>
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<div class="ttc" id="achannel_8h_html_ac98e0b63e35e22aeea5265fd93f5206f"><div class="ttname"><a href="channel_8h.html#ac98e0b63e35e22aeea5265fd93f5206f">ndspChnSetInterp</a></div><div class="ttdeci">void ndspChnSetInterp(int id, ndspInterpType type)</div><div class="ttdoc">Sets the interpolation type of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_acdd5e211d825656d78503e111e98de6e"><div class="ttname"><a href="channel_8h.html#acdd5e211d825656d78503e111e98de6e">ndspChnSetPaused</a></div><div class="ttdeci">void ndspChnSetPaused(int id, bool paused)</div><div class="ttdoc">Sets the pause status of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_adbd48651f22341bb93cb9b7f1304a00f"><div class="ttname"><a href="channel_8h.html#adbd48651f22341bb93cb9b7f1304a00f">ndspChnSetAdpcmCoefs</a></div><div class="ttdeci">void ndspChnSetAdpcmCoefs(int id, u16 coefs[16])</div><div class="ttdoc">Sets the DSPADPCM coefficients of a channel.</div></div>
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<div class="ttc" id="achannel_8h_html_af6c9d1d59c93164aae5a54ee7e8db2a9"><div class="ttname"><a href="channel_8h.html#af6c9d1d59c93164aae5a54ee7e8db2a9">ndspChnIirBiquadSetParamsBandPassFilter</a></div><div class="ttdeci">bool ndspChnIirBiquadSetParamsBandPassFilter(int id, float f0, float Q)</div><div class="ttdoc">Sets the biquad to be a band pass filter.</div></div>
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<div class="ttc" id="achannel_8h_html_afc939493191883e908783048fa0216b4"><div class="ttname"><a href="channel_8h.html#afc939493191883e908783048fa0216b4">ndspChnGetRate</a></div><div class="ttdeci">float ndspChnGetRate(int id)</div><div class="ttdoc">Gets the sample rate of a channel.</div></div>
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<div class="ttc" id="atypes_8h_html_a3a8ea58898cb58fc96013383d39f482c"><div class="ttname"><a href="types_8h.html#a3a8ea58898cb58fc96013383d39f482c">BIT</a></div><div class="ttdeci">#define BIT(n)</div><div class="ttdoc">Creates a bitmask from a bit number.</div><div class="ttdef"><b>Definition:</b> types.h:47</div></div>
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<div class="ttc" id="atypes_8h_html_ace9d960e74685e2cd84b36132dbbf8aa"><div class="ttname"><a href="types_8h.html#ace9d960e74685e2cd84b36132dbbf8aa">u16</a></div><div class="ttdeci">uint16_t u16</div><div class="ttdoc">16-bit unsigned integer</div><div class="ttdef"><b>Definition:</b> types.h:22</div></div>
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<div class="ttc" id="atypes_8h_html_afaa62991928fb9fb18ff0db62a040aba"><div class="ttname"><a href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a></div><div class="ttdeci">uint32_t u32</div><div class="ttdoc">32-bit unsigned integer</div><div class="ttdef"><b>Definition:</b> types.h:23</div></div>
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