aoa/codecs/tas-gain-table.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  This is the program used to generate below table.
0004
0005 #include <stdio.h>
0006 #include <math.h>
0007 int main() {
0008   int dB2;
0009   printf("/" "* This file is only included exactly once!\n");
0010   printf(" *\n");
0011   printf(" * If they'd only tell us that generating this table was\n");
0012   printf(" * as easy as calculating\n");
0013   printf(" *      hwvalue = 1048576.0*exp(0.057564628*dB*2)\n");
0014   printf(" * :) *" "/\n");
0015   printf("static int tas_gaintable[] = {\n");
0016   printf("  0x000000, /" "* -infinity dB *" "/\n");
0017   for (dB2=-140;dB2<=36;dB2++)
0018     printf("    0x%.6x, /" "* %-02.1f dB *" "/\n", (int)(1048576.0*exp(0.057564628*dB2)), dB2/2.0);
0019   printf("};\n\n");
0020 }
0021
0022 */
0023
0024 /* This file is only included exactly once!
0025  *
0026  * If they'd only tell us that generating this table was
0027  * as easy as calculating
0028  *      hwvalue = 1048576.0*exp(0.057564628*dB*2)
0029  * :) */
0030 static const int tas_gaintable[] = {
0031     0x000000, /* -infinity dB */
0032     0x00014b, /* -70.0 dB */
0033     0x00015f, /* -69.5 dB */
0034     0x000174, /* -69.0 dB */
0035     0x00018a, /* -68.5 dB */
0036     0x0001a1, /* -68.0 dB */
0037     0x0001ba, /* -67.5 dB */
0038     0x0001d4, /* -67.0 dB */
0039     0x0001f0, /* -66.5 dB */
0040     0x00020d, /* -66.0 dB */
0041     0x00022c, /* -65.5 dB */
0042     0x00024d, /* -65.0 dB */
0043     0x000270, /* -64.5 dB */
0044     0x000295, /* -64.0 dB */
0045     0x0002bc, /* -63.5 dB */
0046     0x0002e6, /* -63.0 dB */
0047     0x000312, /* -62.5 dB */
0048     0x000340, /* -62.0 dB */
0049     0x000372, /* -61.5 dB */
0050     0x0003a6, /* -61.0 dB */
0051     0x0003dd, /* -60.5 dB */
0052     0x000418, /* -60.0 dB */
0053     0x000456, /* -59.5 dB */
0054     0x000498, /* -59.0 dB */
0055     0x0004de, /* -58.5 dB */
0056     0x000528, /* -58.0 dB */
0057     0x000576, /* -57.5 dB */
0058     0x0005c9, /* -57.0 dB */
0059     0x000620, /* -56.5 dB */
0060     0x00067d, /* -56.0 dB */
0061     0x0006e0, /* -55.5 dB */
0062     0x000748, /* -55.0 dB */
0063     0x0007b7, /* -54.5 dB */
0064     0x00082c, /* -54.0 dB */
0065     0x0008a8, /* -53.5 dB */
0066     0x00092b, /* -53.0 dB */
0067     0x0009b6, /* -52.5 dB */
0068     0x000a49, /* -52.0 dB */
0069     0x000ae5, /* -51.5 dB */
0070     0x000b8b, /* -51.0 dB */
0071     0x000c3a, /* -50.5 dB */
0072     0x000cf3, /* -50.0 dB */
0073     0x000db8, /* -49.5 dB */
0074     0x000e88, /* -49.0 dB */
0075     0x000f64, /* -48.5 dB */
0076     0x00104e, /* -48.0 dB */
0077     0x001145, /* -47.5 dB */
0078     0x00124b, /* -47.0 dB */
0079     0x001361, /* -46.5 dB */
0080     0x001487, /* -46.0 dB */
0081     0x0015be, /* -45.5 dB */
0082     0x001708, /* -45.0 dB */
0083     0x001865, /* -44.5 dB */
0084     0x0019d8, /* -44.0 dB */
0085     0x001b60, /* -43.5 dB */
0086     0x001cff, /* -43.0 dB */
0087     0x001eb7, /* -42.5 dB */
0088     0x002089, /* -42.0 dB */
0089     0x002276, /* -41.5 dB */
0090     0x002481, /* -41.0 dB */
0091     0x0026ab, /* -40.5 dB */
0092     0x0028f5, /* -40.0 dB */
0093     0x002b63, /* -39.5 dB */
0094     0x002df5, /* -39.0 dB */
0095     0x0030ae, /* -38.5 dB */
0096     0x003390, /* -38.0 dB */
0097     0x00369e, /* -37.5 dB */
0098     0x0039db, /* -37.0 dB */
0099     0x003d49, /* -36.5 dB */
0100     0x0040ea, /* -36.0 dB */
0101     0x0044c3, /* -35.5 dB */
0102     0x0048d6, /* -35.0 dB */
0103     0x004d27, /* -34.5 dB */
0104     0x0051b9, /* -34.0 dB */
0105     0x005691, /* -33.5 dB */
0106     0x005bb2, /* -33.0 dB */
0107     0x006121, /* -32.5 dB */
0108     0x0066e3, /* -32.0 dB */
0109     0x006cfb, /* -31.5 dB */
0110     0x007370, /* -31.0 dB */
0111     0x007a48, /* -30.5 dB */
0112     0x008186, /* -30.0 dB */
0113     0x008933, /* -29.5 dB */
0114     0x009154, /* -29.0 dB */
0115     0x0099f1, /* -28.5 dB */
0116     0x00a310, /* -28.0 dB */
0117     0x00acba, /* -27.5 dB */
0118     0x00b6f6, /* -27.0 dB */
0119     0x00c1cd, /* -26.5 dB */
0120     0x00cd49, /* -26.0 dB */
0121     0x00d973, /* -25.5 dB */
0122     0x00e655, /* -25.0 dB */
0123     0x00f3fb, /* -24.5 dB */
0124     0x010270, /* -24.0 dB */
0125     0x0111c0, /* -23.5 dB */
0126     0x0121f9, /* -23.0 dB */
0127     0x013328, /* -22.5 dB */
0128     0x01455b, /* -22.0 dB */
0129     0x0158a2, /* -21.5 dB */
0130     0x016d0e, /* -21.0 dB */
0131     0x0182af, /* -20.5 dB */
0132     0x019999, /* -20.0 dB */
0133     0x01b1de, /* -19.5 dB */
0134     0x01cb94, /* -19.0 dB */
0135     0x01e6cf, /* -18.5 dB */
0136     0x0203a7, /* -18.0 dB */
0137     0x022235, /* -17.5 dB */
0138     0x024293, /* -17.0 dB */
0139     0x0264db, /* -16.5 dB */
0140     0x02892c, /* -16.0 dB */
0141     0x02afa3, /* -15.5 dB */
0142     0x02d862, /* -15.0 dB */
0143     0x03038a, /* -14.5 dB */
0144     0x033142, /* -14.0 dB */
0145     0x0361af, /* -13.5 dB */
0146     0x0394fa, /* -13.0 dB */
0147     0x03cb50, /* -12.5 dB */
0148     0x0404de, /* -12.0 dB */
0149     0x0441d5, /* -11.5 dB */
0150     0x048268, /* -11.0 dB */
0151     0x04c6d0, /* -10.5 dB */
0152     0x050f44, /* -10.0 dB */
0153     0x055c04, /* -9.5 dB */
0154     0x05ad50, /* -9.0 dB */
0155     0x06036e, /* -8.5 dB */
0156     0x065ea5, /* -8.0 dB */
0157     0x06bf44, /* -7.5 dB */
0158     0x07259d, /* -7.0 dB */
0159     0x079207, /* -6.5 dB */
0160     0x0804dc, /* -6.0 dB */
0161     0x087e80, /* -5.5 dB */
0162     0x08ff59, /* -5.0 dB */
0163     0x0987d5, /* -4.5 dB */
0164     0x0a1866, /* -4.0 dB */
0165     0x0ab189, /* -3.5 dB */
0166     0x0b53be, /* -3.0 dB */
0167     0x0bff91, /* -2.5 dB */
0168     0x0cb591, /* -2.0 dB */
0169     0x0d765a, /* -1.5 dB */
0170     0x0e4290, /* -1.0 dB */
0171     0x0f1adf, /* -0.5 dB */
0172     0x100000, /* 0.0 dB */
0173     0x10f2b4, /* 0.5 dB */
0174     0x11f3c9, /* 1.0 dB */
0175     0x13041a, /* 1.5 dB */
0176     0x14248e, /* 2.0 dB */
0177     0x15561a, /* 2.5 dB */
0178     0x1699c0, /* 3.0 dB */
0179     0x17f094, /* 3.5 dB */
0180     0x195bb8, /* 4.0 dB */
0181     0x1adc61, /* 4.5 dB */
0182     0x1c73d5, /* 5.0 dB */
0183     0x1e236d, /* 5.5 dB */
0184     0x1fec98, /* 6.0 dB */
0185     0x21d0d9, /* 6.5 dB */
0186     0x23d1cd, /* 7.0 dB */
0187     0x25f125, /* 7.5 dB */
0188     0x2830af, /* 8.0 dB */
0189     0x2a9254, /* 8.5 dB */
0190     0x2d1818, /* 9.0 dB */
0191     0x2fc420, /* 9.5 dB */
0192     0x3298b0, /* 10.0 dB */
0193     0x35982f, /* 10.5 dB */
0194     0x38c528, /* 11.0 dB */
0195     0x3c224c, /* 11.5 dB */
0196     0x3fb278, /* 12.0 dB */
0197     0x4378b0, /* 12.5 dB */
0198     0x477829, /* 13.0 dB */
0199     0x4bb446, /* 13.5 dB */
0200     0x5030a1, /* 14.0 dB */
0201     0x54f106, /* 14.5 dB */
0202     0x59f980, /* 15.0 dB */
0203     0x5f4e52, /* 15.5 dB */
0204     0x64f403, /* 16.0 dB */
0205     0x6aef5e, /* 16.5 dB */
0206     0x714575, /* 17.0 dB */
0207     0x77fbaa, /* 17.5 dB */
0208     0x7f17af, /* 18.0 dB */
0209 };
0210