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<div class="title">abi.h</div> </div>
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<a href="abi_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="preprocessor">#ifndef _ABI_H_</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define _ABI_H_</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</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="comment"> * *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 1994, Silicon Graphics, Inc. *</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * *</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * These coded instructions, statements, and computer programs contain *</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * unpublished proprietary information of Silicon Graphics, Inc., and *</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * are protected by Federal copyright law. They may not be disclosed *</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * to third parties or copied or duplicated in any form, in whole or *</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in part, without the prior written consent of Silicon Graphics, Inc. *</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * *</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> **************************************************************************/</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"> *</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * $Revision: 1.32 $</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * $Date: 1997/02/11 08:16:37 $</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * $Source: /exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/abi.h,v $</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"> **************************************************************************/</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * Header file for the Audio Binary Interface.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is included in the Media Binary Interface file</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * mbi.h.</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * This file follows the framework used for graphics.</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/* Audio commands: */</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="abi_8h.html#adcf9ac55ccfd9e341127572ca3c00258"> 34</a></span> <span class="preprocessor">#define A_SPNOOP 0</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="abi_8h.html#adb2dd2bf8bcef9c1a295213bbbd8e23c"> 35</a></span> <span class="preprocessor">#define A_ADPCM 1</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="abi_8h.html#a6e00186ada534854fa67cd91ad6e2bbe"> 36</a></span> <span class="preprocessor">#define A_CLEARBUFF 2</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define A_RESAMPLE 5</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="abi_8h.html#a549c2499ca7b5c886918ed8b444f759d"> 38</a></span> <span class="preprocessor">#define A_SETBUFF 8</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="abi_8h.html#aefb6cc89429c142d294175339a399c04"> 39</a></span> <span class="preprocessor">#define A_DMEMMOVE 10</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="abi_8h.html#a2d73dce17f0ab2892712dacd3b59a50c"> 40</a></span> <span class="preprocessor">#define A_LOADADPCM 11</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="abi_8h.html#a2259f4cc6cd203ea6ef6d598674a48e6"> 41</a></span> <span class="preprocessor">#define A_MIXER 12</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="abi_8h.html#a2b203222776ef9b58154e173b768b21c"> 42</a></span> <span class="preprocessor">#define A_INTERLEAVE 13</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="abi_8h.html#ab53699565797b513ac6fa5496b79e017"> 43</a></span> <span class="preprocessor">#define A_SETLOOP 15</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#if !(defined(VERSION_SH) || defined(VERSION_US) || defined(VERSION_EU))</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="abi_8h.html#a9f978c9a27d45f64614b6b3700061596"> 47</a></span> <span class="preprocessor">#define A_ENVMIXER 3</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="abi_8h.html#a3a5bc54dc4b19e326acbfef40a20a7a7"> 48</a></span> <span class="preprocessor">#define A_LOADBUFF 4</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="abi_8h.html#a16f303da41012b9a13d7c5cd5a47d64a"> 49</a></span> <span class="preprocessor">#define A_RESAMPLE 5</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="abi_8h.html#a3b6d98caab66e7c29b796e7734b4a707"> 50</a></span> <span class="preprocessor">#define A_SAVEBUFF 6</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="abi_8h.html#a7768d7ceedfdea120f4147274bdad866"> 51</a></span> <span class="preprocessor">#define A_SEGMENT 7</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="abi_8h.html#a587aceb5a0a8a9e58cd8a2dba5098c88"> 52</a></span> <span class="preprocessor">#define A_SETVOL 9</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="abi_8h.html#a655185dd07d9d7b041a2f5b446f72d29"> 53</a></span> <span class="preprocessor">#define A_POLEF 14</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define A_ADDMIXER 4</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#define A_RESAMPLE_ZOH 6</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define A_SEGMENT 7</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define A_DMEMMOVE2 16</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#define A_DOWNSAMPLE_HALF 17</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define A_ENVSETUP1 18</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#define A_ENVMIXER 19</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define A_LOADBUFF 20</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define A_SAVEBUFF 21</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define A_ENVSETUP2 22</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define A_S8DEC 23</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define A_HILOGAIN 24</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define A_UNK_25 25</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#define A_DUPLICATE 26</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#define A_FILTER 27</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="abi_8h.html#aad75fc15f1920bf7ab486ffdbe1b3684"> 75</a></span> <span class="preprocessor">#define ACMD_SIZE 32</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * Audio flags</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>  </div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="abi_8h.html#adeabbff0f5e85464e7ff7661261cdac2"> 80</a></span> <span class="preprocessor">#define A_INIT 0x01</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="abi_8h.html#a441a7fe8302a2a9b4e6a22e08022244b"> 81</a></span> <span class="preprocessor">#define A_CONTINUE 0x00</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="abi_8h.html#a303f46720a2637d3910fba354051aa8a"> 82</a></span> <span class="preprocessor">#define A_LOOP 0x02</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="abi_8h.html#a69fc729d450ecab3211b2e8077262200"> 83</a></span> <span class="preprocessor">#define A_OUT 0x02</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="abi_8h.html#a457ccbead5ea6009b947114beba57ceb"> 84</a></span> <span class="preprocessor">#define A_LEFT 0x02</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="abi_8h.html#ab121e61501b77289d3b8da680dc847ee"> 85</a></span> <span class="preprocessor">#define A_RIGHT 0x00</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="abi_8h.html#a14d6d1a5fe10cc2b775388380a8d75f6"> 86</a></span> <span class="preprocessor">#define A_VOL 0x04</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="abi_8h.html#a557c6d2910a5d2c1f3c31b85b11c917f"> 87</a></span> <span class="preprocessor">#define A_RATE 0x00</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="abi_8h.html#a0fa85b4a63cdef587611a5cfc518b029"> 88</a></span> <span class="preprocessor">#define A_AUX 0x08</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="abi_8h.html#a97b70ba416cb6e0a7057561a8c53050b"> 89</a></span> <span class="preprocessor">#define A_NOAUX 0x00</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="abi_8h.html#a18fb2ca6586420606f75125ebc7e4d0f"> 90</a></span> <span class="preprocessor">#define A_MAIN 0x00</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="abi_8h.html#af448cf5286c4984ef199eb45524e081d"> 91</a></span> <span class="preprocessor">#define A_MIX 0x10</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * BEGIN C-specific section: (typedef's)</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </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"> * Data Structures.</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> gain:16;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> } Aadpcm;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> gain:16;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> } Apolef;</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:16;</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> } Aenvelope;</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:8;</div>
|
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmem:16;</div>
|
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad2:16;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count:16;</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> } Aclearbuff;</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:8;</div>
|
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad2:16;</div>
|
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> inL:16;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> inR:16;</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> } Ainterleave;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:24;</div>
|
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> } Aloadbuff;</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:16;</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> } Aenvmixer;</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> gain:16;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmemi:16;</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmemo:16;</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> } Amixer;</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmem2:16;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> } Apan;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pitch:16;</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> } Aresample;</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:16;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> } Areverb;</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:24;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> } Asavebuff;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:24;</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad2:2;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> number:4;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> base:24;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> } Asegment;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmemin:16;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmemout:16;</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count:16;</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> } Asetbuff;</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags:8;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> vol:16;</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> voltgt:16;</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> volrate:16;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> } Asetvol;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:8;</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmemin:16;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dmemout:16;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count:16;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> } Admemmove;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:8;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count:16;</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> } Aloadadpcm;</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd:8;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad1:8;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pad2:16;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> } Asetloop;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> * Generic Acmd Packet</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  uintptr_t w0;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  uintptr_t w1;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> } Awords;</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword">typedef</span> <span class="keyword">union </span>{</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  Awords words;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#if IS_BIG_ENDIAN && !IS_64_BIT</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  Aadpcm adpcm;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  Apolef polef;</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  Aclearbuff clearbuff;</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  Aenvelope envelope;</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  Ainterleave interleave;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  Aloadbuff loadbuff;</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  Aenvmixer envmixer;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  Aresample resample;</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  Areverb reverb;</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  Asavebuff savebuff;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  Asegment segment;</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  Asetbuff setbuff;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  Asetvol setvol;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  Admemmove dmemmove;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  Aloadadpcm loadadpcm;</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  Amixer mixer;</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  Asetloop setloop;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> force_union_align; <span class="comment">/* dummy, force alignment */</span></div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> } Acmd;</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * ADPCM State</span></div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">typedef</span> <span class="keywordtype">short</span> ADPCM_STATE[16];</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> * Pole filter state</span></div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="keyword">typedef</span> <span class="keywordtype">short</span> POLEF_STATE[4];</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> * Resampler state</span></div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="keyword">typedef</span> <span class="keywordtype">short</span> RESAMPLE_STATE[16];</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * Resampler constants</span></div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor">#define UNITY_PITCH 0x8000</span></div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#define MAX_RATIO 1.99996 </span><span class="comment">/* within .03 cents of +1 octave */</span><span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  </div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * Enveloper/Mixer state</span></div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keyword">typedef</span> <span class="keywordtype">short</span> ENVMIX_STATE[40];</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> * Macros to assemble the audio command list</span></div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  </div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * Info about parameters:</span></div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * A "count" in the following macros is always measured in bytes.</span></div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * All volumes/gains are in Q1.15 signed fixed point numbers:</span></div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> * 0x8000 is the minimum volume (-100%), negating the audio curve.</span></div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * 0x0000 is silent.</span></div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * 0x7fff is maximum volume (99.997%).</span></div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> * All DRAM addresses refer to segmented addresses. A segment table shall</span></div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> * first be set up by calling aSegment for each segment. When a DRAM</span></div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> * address is later used as parameter, the 8 high bits will be an index</span></div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * to the segment table and the lower 24 bits are added to the base address</span></div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * stored in the segment table for this entry. The result is the physical address.</span></div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * With the newer rsp audio code, this segment table is not used. The address is</span></div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * used directly instead.</span></div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * Transfers to/from DRAM are executed using DMA and hence follow these restrictions:</span></div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * All DRAM addresses should be aligned by 8 bytes, or they will be</span></div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> * rounded down to the nearest multiple of 8 bytes.</span></div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> * All DRAM lengths should be aligned by 8 bytes, or they will be</span></div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> * rounded up to the nearest multiple of 8 bytes.</span></div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> * Decompresses ADPCM data.</span></div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * Possible flags: A_INIT and A_LOOP.</span></div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * First set up internal data in DMEM:</span></div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * aLoadADPCM(cmd++, nEntries * 16, physicalAddressOfBook)</span></div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * aSetLoop(cmd++, physicalAddressOfLoopState) (if A_LOOP is set)</span></div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> * Then before this command, call:</span></div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * aSetBuffer(cmd++, 0, in, out, count)</span></div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> * Note: count will be rounded up to the nearest multiple of 32 bytes.</span></div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> * ADPCM decompression works on a block of 16 (uncompressed) samples.</span></div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * The previous 2 samples and 9 bytes of input are decompressed to</span></div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> * 16 new samples using the code book previously loaded.</span></div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> * Before the algorithm starts, the previous 16 samples are loaded according to flag:</span></div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * A_INIT: all zeros</span></div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * A_LOOP: the address set by aSetLoop</span></div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * no flags: the DRAM address in the s parameter</span></div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> * These 16 samples are immediately copied to the destination address.</span></div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> * The result of "count" bytes will be written after these 16 initial samples.</span></div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * The last 16 samples written to the destination will also be written to</span></div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> * the state address in DRAM.</span></div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="preprocessor">#define aADPCMdec(pkt, f, s) \</span></div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_ADPCM, 24, 8) | _SHIFTL(f, 16, 8); \</span></div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment"> * Not used in SM64.</span></div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">#define aPoleFilter(pkt, f, g, s) \</span></div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_POLEF, 24, 8) | _SHIFTL(f, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor"> _SHIFTL(g, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> * Clears DMEM data, where d is address and c is count, by writing zeros.</span></div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment"> * Note: c is rounded up to the nearest multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor">#define aClearBuffer(pkt, d, c) \</span></div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_CLEARBUFF, 24, 8) | _SHIFTL(d, 0, 24); \</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(c); \</span></div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> * Mixes an envelope with mono sound into 2 or 4 channels.</span></div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> * Possible flags: A_INIT, A_AUX (indicates that 4 channels should be used).</span></div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> * Before this command, call:</span></div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment"> * aSetBuffer(cmd++, 0, inBuf, dryLeft, count)</span></div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"> * aSetBuffer(cmd++, A_AUX, dryRight, wetLeft, wetRight)</span></div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="comment"> * The first time (A_INIT is set), volume also needs to be set:</span></div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment"> * aSetVolume(cmd++, A_VOL | A_LEFT, initialVolumeLeft, 0, 0)</span></div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment"> * aSetVolume(cmd++, A_VOL | A_RIGHT, initialVolumeRight, 0, 0)</span></div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"> * aSetVolume32(cmd++, A_RATE | A_LEFT, targetVolumeLeft, rampLeft)</span></div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> * aSetVolume32(cmd++, A_RATE | A_RIGHT, targetVolumeRight, rampRight)</span></div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment"> * aSetVolume(cmd++, A_AUX, dryVolume, 0, wetVolume)</span></div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment"> * This command will now mix samples in inBuf into the destination buffers (dry and wet),</span></div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment"> * but with the volume increased (or decreased) from initial volumes to target volumes,</span></div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment"> * with the specified ramp rate. Once the target volume is reached, the volume stays</span></div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment"> * at that level. Before the samples are finally mixed (added) into the destination</span></div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment"> * buffers (dry and wet), the volume is changed according to dryVolume and wetVolume.</span></div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment"> * Note: count will be rounded up to the nearest multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="comment"> * Note: the wet channels are used for reverb.</span></div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="preprocessor">#define aEnvMixer(pkt, f, s) \</span></div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_ENVMIXER, 24, 8) | _SHIFTL(f, 16, 8); \</span></div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"> * Interleaves two mono channels into stereo.</span></div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"> * First call:</span></div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment"> * aSetBuffer(cmd++, 0, 0, output, count)</span></div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> * The count refers to the size of each input. Hence 2 * count bytes will be written out.</span></div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> * A left sample will be placed before the right sample.</span></div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="comment"> * Note: count will be rounded up to the nearest multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor">#define aInterleave(pkt, l, r) \</span></div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_INTERLEAVE, 24, 8); \</span></div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(l, 16, 16) | _SHIFTL(r, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment"> * Loads a buffer from DRAM to DMEM.</span></div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> * First call:</span></div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment"> * aSetBuffer(cmd++, 0, in, 0, count)</span></div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> * The in parameter to aSetBuffer is the destination in DMEM and the</span></div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> * s parameter to this command is the source in DRAM.</span></div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="preprocessor">#define aLoadBuffer(pkt, s) \</span></div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_LOADBUFF, 24, 8); \</span></div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  </div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> * Mixes audio.</span></div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> * Possible flags: no flags used, although parameter present.</span></div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> * First call:</span></div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> * aSetBuffer(cmd++, 0, 0, 0, count)</span></div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> * Input and output addresses are taken from the i and o parameters.</span></div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> * The volume with which the input is changed is taken from the g parameter.</span></div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> * After the volume of the input samples have been changed, the result</span></div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> * is added to the output.</span></div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> * Note: count will be rounded up to the nearest multiple of 32 bytes.</span></div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="preprocessor">#define aMix(pkt, f, g, i, o) \</span></div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_MIXER, 24, 8) | _SHIFTL(f, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="preprocessor"> _SHIFTL(g, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(i,16, 16) | _SHIFTL(o, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  </div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment">// Not present in the audio microcode.</span></div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="preprocessor">#define aPan(pkt, f, d, s) \</span></div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_PAN, 24, 8) | _SHIFTL(f, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="preprocessor"> _SHIFTL(d, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  </div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="comment"> * Resamples audio.</span></div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="comment"> * Possible flags: A_INIT, A_OUT? (not used in SM64).</span></div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> * First call:</span></div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> * aSetBuffer(cmd++, 0, in, out, count)</span></div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * This command resamples the audio using the given frequency ratio (pitch)</span></div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * using a filter that uses a window of 4 source samples. This can be used</span></div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> * either for just resampling audio to be able to be played back at a different</span></div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> * sample rate, or to change the pitch if the result is played back at</span></div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment"> * the same sample rate as the input.</span></div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment"> * The frequency ratio is given in UQ1.15 fixed point format.</span></div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"> * For no change in frequency, use pitch 0x8000.</span></div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"> * For 1 octave up or downsampling to (roughly) half number of samples, use pitch 0xffff.</span></div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment"> * For 1 octave down or upsampling to double as many samples, use pitch 0x4000.</span></div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"> * Note: count represents the number of output sample bytes and is rounded up to</span></div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment"> * the nearest multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment"> * The state consists of the four following source samples when the algorithm stopped as</span></div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"> * well as a fractional position, and is initialized to all zeros if A_INIT is given.</span></div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="comment"> * Otherwise it is loaded from DRAM at address s.</span></div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="comment"> * The algorithm starts by writing the four source samples from the state (or zero)</span></div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="comment"> * to just before the input address given. It then creates one output sample by examining</span></div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment"> * the four next source samples and then moving the source position zero or more</span></div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment"> * samples forward. The first output sample (when A_INIT is given) is always 0.</span></div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment"> * When "count" bytes have been written, the following four source samples</span></div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="comment"> * are written to the state in DRAM as well as a fractional position.</span></div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="preprocessor">#define aResample(pkt, f, p, s) \</span></div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_RESAMPLE, 24, 8) | _SHIFTL(f, 16, 8) |\</span></div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor"> _SHIFTL(p, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  </div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> * Stores a buffer in DMEM to DRAM.</span></div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"> * First call:</span></div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment"> * aSetBuffer(cmd++, 0, 0, out, count)</span></div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment"> * The out parameter to aSetBuffer is the source in DMEM and the</span></div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment"> * s parameter to this command is the destination in DRAM.</span></div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="preprocessor">#define aSaveBuffer(pkt, s) \</span></div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_SAVEBUFF, 24, 8); \</span></div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  </div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment"> * Sets up an entry in the segment table.</span></div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="comment"> * The s parameter is a segment index, 0 to 15.</span></div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> <span class="comment"> * The b parameter is the base offset.</span></div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="preprocessor">#define aSegment(pkt, s, b) \</span></div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_SEGMENT, 24, 8); \</span></div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(s, 24, 8) | _SHIFTL(b, 0, 24); \</span></div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  </div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="comment"> * Sets internal DMEM buffer addresses used for later commands.</span></div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="comment"> * See each command for how to use aSetBuffer.</span></div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="preprocessor">#define aSetBuffer(pkt, f, i, o, c) \</span></div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_SETBUFF, 24, 8) | _SHIFTL(f, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="preprocessor"> _SHIFTL(i, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(o, 16, 16) | _SHIFTL(c, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  </div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="comment"> * Sets internal volume parameters.</span></div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="comment"> * See aEnvMixer for more info.</span></div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="preprocessor">#define aSetVolume(pkt, f, v, t, r) \</span></div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_SETVOL, 24, 8) | _SHIFTL(f, 16, 16) | \</span></div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="preprocessor"> _SHIFTL(v, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(t, 16, 16) | _SHIFTL(r, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  </div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment"> * Sets the address to ADPCM loop state.</span></div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="comment"> * The a parameter is a DRAM address.</span></div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="comment"> * See aADPCMdec for more info.</span></div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="preprocessor">#define aSetLoop(pkt, a) \</span></div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_SETLOOP, 24, 8); \</span></div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(a); \</span></div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  </div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="comment"> * Copies memory in DMEM.</span></div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment"> * Copies c bytes from address i to address o.</span></div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="comment"> * Note: count is rounded up to the nearest multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="comment"> * Note: This acts as memcpy where 16 bytes are moved at a time, therefore</span></div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="comment"> * if input and output overlap, output address should be less than input address.</span></div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="preprocessor">#define aDMEMMove(pkt, i, o, c) \</span></div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_DMEMMOVE, 24, 8) | _SHIFTL(i, 0, 24); \</span></div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(o, 16, 16) | _SHIFTL(c, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  </div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="comment"> * Loads ADPCM book from DRAM into DMEM.</span></div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="comment"> * This command loads ADPCM table entries from DRAM to DMEM.</span></div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="comment"> * The count parameter c should be a multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> <span class="comment"> * The d parameter is a DRAM address.</span></div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="preprocessor">#define aLoadADPCM(pkt, c, d) \</span></div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_LOADADPCM, 24, 8) | _SHIFTL(c, 0, 24); \</span></div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t) (d); \</span></div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  </div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="comment">// This is a version of aSetVolume which takes a single 32-bit parameter</span></div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="comment">// instead of two 16-bit ones. According to AziAudio, it is used to set</span></div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="comment">// ramping values when neither bit 4 nor bit 8 is set in the flags parameter.</span></div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="comment">// It does not appear in the official abi.h header.</span></div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> <span class="comment"> * Sets internal volume parameters.</span></div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="comment"> * See aEnvMixer for more info.</span></div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> <span class="preprocessor">#define aSetVolume32(pkt, f, v, tr) \</span></div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_SETVOL, 24, 8) | _SHIFTL(f, 16, 16) | \</span></div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> <span class="preprocessor"> _SHIFTL(v, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(tr); \</span></div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  </div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="preprocessor">#if defined(VERSION_SH) || defined(VERSION_US) || defined (VERSION_EU)</span></div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="preprocessor">#undef aLoadBuffer</span></div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <span class="preprocessor">#undef aSaveBuffer</span></div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> <span class="preprocessor">#undef aMix</span></div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span> <span class="preprocessor">#undef aEnvMixer</span></div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> <span class="comment">// #undef aInterleave</span></div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  </div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> <span class="comment">// New or modified operations in the new audio microcode below</span></div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  </div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <span class="preprocessor">#define aS8Dec(pkt, f, s) \</span></div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_S8DEC, 24, 8) | _SHIFTL(f, 16, 8); \</span></div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  </div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="comment"> * Mix two tracks by simple clamped addition.</span></div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="comment"> * s: DMEM source track 1</span></div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="comment"> * d: DMEM source track 2 and destination</span></div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="comment"> * c: number of bytes to write</span></div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> <span class="comment"> * Note: count is first rounded down to the nearest multiple of 16 bytes</span></div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="comment"> * and then rounded up to the nearest multiple of 64 bytes.</span></div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="preprocessor">#define aAddMixer(pkt, s, d, c) \</span></div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_ADDMIXER, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> <span class="preprocessor"> _SHIFTL((c) >> 4, 16, 8) | _SHIFTL(0x7fff, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="preprocessor"> _a->words.w1 = (_SHIFTL(s, 16, 16) | _SHIFTL(d, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  </div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="comment"> * Loads a buffer from DRAM to DMEM.</span></div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="comment"> * s: DRAM source</span></div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> <span class="comment"> * d: DMEM destination</span></div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="comment"> * c: number of bytes to copy (rounded down to 16 byte alignment)</span></div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="preprocessor">#define aLoadBuffer(pkt, s, d, c) \</span></div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_LOADBUFF, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> <span class="preprocessor"> _SHIFTL((c) >> 4, 16, 8) | _SHIFTL(d, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(s); \</span></div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  </div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="comment"> * Stores a buffer from DMEM to DRAM.</span></div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> <span class="comment"> * s: DMEM source</span></div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span> <span class="comment"> * d: DRAM destination</span></div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> <span class="comment"> * c: number of bytes to copy (rounded down to 16 byte alignment)</span></div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="preprocessor">#define aSaveBuffer(pkt, s, d, c) \</span></div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_SAVEBUFF, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> <span class="preprocessor"> _SHIFTL((c) >> 4, 16, 8) | _SHIFTL(s, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(d); \</span></div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  </div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="comment"> * Duplicates 128 bytes of data a number of times.</span></div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="comment"> * 128 bytes are read from source DMEM address s.</span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="comment"> * Then c identical copies of these bytes are written to DMEM address d.</span></div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span> <span class="preprocessor">#define aDuplicate(pkt, s, d, c) \</span></div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_DUPLICATE, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> <span class="preprocessor"> _SHIFTL(c, 16, 8) | _SHIFTL(s, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span> <span class="preprocessor"> _a->words.w1 = (_SHIFTL(d, 16, 16) | _SHIFTL(0x80, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  </div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="comment"> * Copies memory in DMEM, second version.</span></div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment"> * Copies t * c bytes from address i to address o.</span></div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> <span class="comment"> * Note: count is first rounded up to the nearest multiple of 32 bytes,</span></div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="comment"> * before the multiplication by t.</span></div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="comment"> * Note: This acts as memcpy where 32 bytes are moved at a time, therefore</span></div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="comment"> * if input and output overlap, output address should be less than input address.</span></div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="comment"> * Not used in SM64.</span></div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="preprocessor">#define aDMEMMove2(pkt, t, i, o, c) \</span></div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_DMEMMOVE2, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="preprocessor"> _SHIFTL(t, 16, 8) | _SHIFTL(i, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(o, 16, 16) | _SHIFTL(c, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  </div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="comment"> * Fast resample.</span></div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="comment"> * Before this command, call:</span></div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="comment"> * aSetBuffer(cmd++, 0, in, out, count)</span></div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="comment"> * This works like the other resample command but just takes the "nearest" sample,</span></div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="comment"> * instead of a function of the four nearest samples.</span></div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="comment"> * Initially the current position is calculated as (in << 16) + startFract.</span></div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="comment"> * For every sample to create, the value is simply taken from the sample</span></div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="comment"> * at address ((position >> 17) << 1). Then the current position is incremented</span></div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> <span class="comment"> * by (pitch << 2).</span></div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> <span class="comment"> * Note: count represents the number of output bytes to create, and is</span></div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span> <span class="comment"> * rounded up to the nearest multiple of 8 bytes.</span></div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> <span class="preprocessor">#define aResampleZoh(pkt, pitch, startFract) \</span></div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_RESAMPLE_ZOH, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span> <span class="preprocessor"> _SHIFTL(pitch, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(startFract, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  </div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> <span class="comment"> * Fast downsampling by taking every other sample, discarding others.</span></div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> <span class="comment"> * Note: nSamples refers to the number of output samples to create, and</span></div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> <span class="comment"> * is first rounded up to the nearest multiple of 8.</span></div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="preprocessor">#define aDownsampleHalf(pkt, nSamples, i, o) \</span></div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_DOWNSAMPLE_HALF, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> <span class="preprocessor"> _SHIFTL(nSamples, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(i, 16, 16) | _SHIFTL(o, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  </div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="comment"> * Mixes audio.</span></div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <span class="comment"> * Input and output addresses are taken from the i and o parameters.</span></div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span> <span class="comment"> * The volume with which the input is changed is taken from the g parameter.</span></div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> <span class="comment"> * After the volume of the input samples have been changed, the result</span></div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> <span class="comment"> * is added to the output.</span></div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> <span class="comment"> * Note: count is first rounded down to the nearest multiple of 16 bytes</span></div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span> <span class="comment"> * and then rounded up to the nearest multiple of 32 bytes.</span></div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> <span class="preprocessor">#define aMix(pkt, g, i, o, c) \</span></div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_MIXER, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <span class="preprocessor"> _SHIFTL((c) >> 4, 16, 8) | _SHIFTL(g, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(i, 16, 16) | _SHIFTL(o, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  </div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> <span class="comment"> * See aEnvMixer for more info.</span></div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> <span class="preprocessor">#define aEnvSetup1(pkt, initialVolReverb, rampReverb, rampLeft, rampRight) \</span></div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_ENVSETUP1, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> <span class="preprocessor"> _SHIFTL(initialVolReverb, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> <span class="preprocessor"> _SHIFTL(rampReverb, 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(rampLeft, 16, 16) | \</span></div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> <span class="preprocessor"> _SHIFTL(rampRight, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  </div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="comment"> * See aEnvMixer for more info.</span></div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="preprocessor">#define aEnvSetup2(pkt, initialVolLeft, initialVolRight) \</span></div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_ENVSETUP2, 24, 8); \</span></div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL(initialVolLeft, 16, 16) | \</span></div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> <span class="preprocessor"> _SHIFTL(initialVolRight, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  </div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span> <span class="comment"> * Mixes an envelope with mono sound into 4 channels.</span></div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span> <span class="comment"> * To allow for many parameters, a sequence of aEnvSetup1, aEnvSetup2,</span></div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> <span class="comment"> * aEnvMixer shall always be called.</span></div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> <span class="comment"> * The function works in blocks of 8 samples.</span></div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span> <span class="comment"> * However, nSamples is rounded up to the nearest multiple of 16 samples.</span></div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span> <span class="comment"> * For each sample in a block:</span></div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="comment"> * 1. sampleLeft = in * volLeft * (negLeft ? -1 : 1)</span></div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> <span class="comment"> * 2. sampleRight = in * volRight * (negRight ? -1 : 1)</span></div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span> <span class="comment"> * 3. dryLeft += sampleLeft</span></div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> <span class="comment"> * 4. dryRight += sampleRight</span></div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> <span class="comment"> * 5. if swapReverb: swap sampleLeft and sampleRight</span></div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="comment"> * 6. wetLeft += sampleLeft * volReverb</span></div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> <span class="comment"> * 7. wetRight += sampleRight * volReverb</span></div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span> <span class="comment"> * After each block, all vol variables are added by their corresponding</span></div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> <span class="comment"> * ramp value.</span></div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="comment"> * Each volume variable is treated as a UQ0.16 number. Make sure</span></div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> <span class="comment"> * the ramp additions don't overflow, or wrapping will occur.</span></div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> <span class="comment"> * The initialVolReverb parameter is only 8 bits, but will be left</span></div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> <span class="comment"> * shifted 8 bits by the rsp.</span></div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span> <span class="preprocessor">#define aEnvMixer(pkt, inBuf, nSamples, swapReverb, negLeft, negRight, \</span></div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> <span class="preprocessor"> dryLeft, dryRight, wetLeft, wetRight) \</span></div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_ENVMIXER, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> <span class="preprocessor"> _SHIFTL((inBuf) >> 4, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> <span class="preprocessor"> _SHIFTL(nSamples, 8, 8)) | \</span></div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> <span class="preprocessor"> _SHIFTL(swapReverb, 2, 1) | _SHIFTL(negLeft, 1, 1) |\</span></div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> <span class="preprocessor"> _SHIFTL(negRight, 0, 1); \</span></div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL((dryLeft) >> 4, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> <span class="preprocessor"> _SHIFTL((dryRight) >> 4, 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> <span class="preprocessor"> _SHIFTL((wetLeft) >> 4, 8, 8) | \</span></div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="preprocessor"> _SHIFTL((wetRight) >> 4, 0, 8); \</span></div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  </div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="comment"> * Interleaves two mono channels into stereo.</span></div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="comment"> * The count refers to the size of each input. Hence 2 * count bytes</span></div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="comment"> * will be written out.</span></div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> <span class="comment"> * A left sample will be placed before the right sample.</span></div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span> <span class="comment"> * All addresses (output, left, right) are DMEM addresses.</span></div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> <span class="comment"> * Note: count will be rounded up to the nearest multiple of 8 bytes.</span></div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> <span class="comment"> * The previous version of this function rounded up to the nearest</span></div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> <span class="comment"> * multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <span class="comment">#define aInterleave(pkt, o, l, r, c) \</span></div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> <span class="comment">{ \</span></div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> <span class="comment"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <span class="comment"> \</span></div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> <span class="comment"> _a->words.w0 = _SHIFTL(A_INTERLEAVE, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> <span class="comment"> _SHIFTL((c) >> 4, 16, 8) | _SHIFTL(o, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> <span class="comment"> _a->words.w1 = _SHIFTL(l, 16, 16) | _SHIFTL(r, 0, 16); \</span></div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> <span class="comment">}</span></div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> <span class="comment">*/</span></div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  </div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> <span class="comment"> * Linear filter function.</span></div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span> <span class="comment"> * Calculates out[i] = sum all elements in the vector in[i..i-7] * filter[0..7],</span></div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> <span class="comment"> * where "*" represents dot multiplication. The input/output contains s16</span></div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> <span class="comment"> * samples and filter contains Q1.15 signed fixed point numbers.</span></div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="comment"> * Every result sample is rounded and clamped.</span></div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> <span class="comment"> * First initiate by calling with the flag f set to 2, countOrBuf contains</span></div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> <span class="comment"> * the length in bytes that shall be processed in the next call. The addr</span></div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="comment"> * parameter shall contain the DRAM address to the filter table (16 bytes).</span></div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span> <span class="comment"> * The count will be rounded up to the nearest multiple of 16 bytes.</span></div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> <span class="comment"> * The aFilter function shall then be called in direct succession, with flag</span></div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span> <span class="comment"> * set to either 0 or 1. The countOrBuf parameter shall contain the DMEM</span></div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="comment"> * address for the input/output. The addr parameter shall contain the DRAM</span></div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> <span class="comment"> * address for the state, containing the last previous 8 input samples.</span></div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> <span class="comment"> * The state is always written to upon exit, but is only read at entry if</span></div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> <span class="comment"> * the flag is 0 (otherwise all-zero samples are used instead).</span></div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="preprocessor">#define aFilter(pkt, f, countOrBuf, addr) \</span></div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_FILTER, 24, 8) | _SHIFTL((f), 16, 8) | \</span></div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> <span class="preprocessor"> _SHIFTL((countOrBuf), 0, 16); \</span></div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="preprocessor"> _a->words.w1 = (uintptr_t)(addr); \</span></div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  </div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span> <span class="comment"> * Modifies the volume of samples using a simple UQ4.4 gain multiplier.</span></div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> <span class="comment"> * Performs the following:</span></div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> <span class="comment"> * 1. Count c is rounded up to 32 byte alignment</span></div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> <span class="comment"> * 2. g is a u8 that contains a UQ4.4 number</span></div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> <span class="comment"> * 3. Modify each sample s, so that s = clamp_s16(s * g >> 4)</span></div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> <span class="preprocessor">#define aHiLoGain(pkt, g, buflen, i) \</span></div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> <span class="preprocessor"> _a->words.w0 = _SHIFTL(A_HILOGAIN, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> <span class="preprocessor"> _SHIFTL((g), 16, 8) | _SHIFTL((buflen), 0, 16); \</span></div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL((i), 16, 16); \</span></div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  </div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> <span class="comment"> * Performs the following:</span></div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> <span class="comment"> * 1. Count c is rounded up to 64 byte alignment</span></div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> <span class="comment"> * 2. f is added to i</span></div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> <span class="comment"> * 3. i and o are from now treated as s16 pointers</span></div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> <span class="comment"> * 4. 32 s16 samples are loaded from i to tbl</span></div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span> <span class="comment"> * 5. for (u32 idx = 0; idx * sizeof(s16) < c; idx++)</span></div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span> <span class="comment"> * o[idx] = clamp_s16((s32)o[idx] * (s32)tbl[idx % 32]);</span></div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span> <span class="preprocessor">#define aUnknown25(pkt, f, c, o, i) \</span></div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span> <span class="preprocessor">{ \</span></div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> <span class="preprocessor"> Acmd *_a = (Acmd *)pkt; \</span></div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> <span class="preprocessor"> \</span></div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> <span class="preprocessor"> _a->words.w0 = (_SHIFTL(A_UNK_25, 24, 8) | \</span></div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span> <span class="preprocessor"> _SHIFTL((f), 16, 8) | _SHIFTL((c), 0, 16)); \</span></div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> <span class="preprocessor"> _a->words.w1 = _SHIFTL((o), 16, 16) | _SHIFTL((i), 0, 16); \</span></div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> <span class="preprocessor">}</span></div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  </div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  </div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> <span class="preprocessor">#endif </span><span class="comment">/* _LANGUAGE_C */</span><span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  </div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> <span class="preprocessor">#endif </span><span class="comment">/* !_ABI_H_ */</span><span class="preprocessor"></span></div>
|
|
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