Replace surface fit model w/ functional modeling
Uses a logistic model for distortion/sse and a clamped
linear model for rate, with the argument being sse/q^2.
The parameters of the underlying model are determined
based on blocksize and sse.
This model is substantially better in metrics on a training
set than the previous model as well as the curvfit model.
The model is unused currently but will be introduced in the
encoder in various ways subsequently.
Change-Id: Ife2e193e167de8b80c8486f6157ba22d6f1caccd
diff --git a/av1/encoder/rd.c b/av1/encoder/rd.c
index f71ec80..e1171d3 100644
--- a/av1/encoder/rd.c
+++ b/av1/encoder/rd.c
@@ -703,6 +703,7 @@
x * (3.0 * (p[1] - p[2]) + p[3] - p[0])));
}
+/*
static double interp_bicubic(const double *p, int p_stride, double x,
double y) {
double q[4];
@@ -712,623 +713,122 @@
q[3] = interp_cubic(p + 3 * p_stride, x);
return interp_cubic(q, y);
}
+*/
-static const uint8_t bsize_model_cat_lookup[BLOCK_SIZES_ALL] = {
+static const uint8_t bsize_curvfit_model_cat_lookup[BLOCK_SIZES_ALL] = {
0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 0, 0, 1, 1, 2, 2
};
-static int sse_norm_model_cat_lookup(double sse_norm) {
+static int sse_norm_curvfit_model_cat_lookup(double sse_norm) {
return (sse_norm > 16.0);
}
-static const double interp_rgrid_surf[4][33 * 18] = {
+// Models distortion by sse using a logistic function on
+// l = log2(sse / q^2) as:
+// dbysse = 16 / (1 + k exp(l + c))
+static double get_dbysse_logistic(double l, double c, double k) {
+ const double A = 16.0;
+ const double dbysse = A / (1 + k * exp(l + c));
+ return dbysse;
+}
+
+// Models rate using a clamped linear function on
+// l = log2(sse / q^2) as:
+// rate = max(0, a + b * l)
+static double get_rate_clamplinear(double l, double a, double b) {
+ const double rate = a + b * l;
+ return (rate < 0 ? 0 : rate);
+}
+
+static const uint8_t bsize_surffit_model_cat_lookup[BLOCK_SIZES_ALL] = {
+ 0, 0, 0, 0, 1, 1, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 0, 0, 2, 2, 4, 4
+};
+
+static const double surffit_rate_params[9][4] = {
{
- 29.726102, 30.738006, 25.294088, 25.736759, 41.255961,
- 41.937828, 41.937901, 42.110487, 46.038554, 46.593284,
- 55.290144, 55.672257, 55.672289, 55.672284, 55.641633,
- 54.251766, 38.404522, 36.186584, 30.977201, 32.031695,
- 26.358675, 26.819956, 42.992269, 43.702888, 43.702966,
- 43.882830, 47.992288, 48.920311, 57.633255, 58.015369,
- 58.015396, 57.984745, 56.594876, 40.717227, 39.327227,
- 37.709563, 30.977308, 32.041872, 26.587891, 26.801416,
- 42.339251, 43.674340, 43.710377, 44.048333, 48.365747,
- 57.251292, 57.999483, 58.015595, 57.984977, 56.595076,
- 40.717426, 39.327559, 39.313319, 38.085580, 30.977328,
- 32.271000, 31.802769, 26.377378, 27.473270, 43.021187,
- 43.875643, 47.811034, 48.547182, 57.617338, 58.015563,
- 58.001989, 56.982277, 40.734438, 39.327560, 39.313487,
- 40.065111, 46.657660, 30.977329, 32.281067, 32.031899,
- 26.358835, 26.820108, 42.992490, 43.882906, 47.992438,
- 48.920477, 57.633450, 58.001989, 57.369478, 49.547092,
- 39.714761, 39.313520, 40.065295, 48.834535, 51.525122,
- 30.977329, 32.281072, 32.077511, 27.396520, 26.865699,
- 42.992474, 43.882906, 48.358483, 57.251290, 57.985906,
- 57.369511, 49.564105, 40.101962, 39.330532, 40.065297,
- 48.835069, 57.817665, 145.394655, 30.977369, 32.281197,
- 33.076074, 50.151877, 28.497451, 42.792931, 43.512994,
- 48.377350, 57.604551, 57.386489, 49.951306, 40.118976,
- 39.330567, 40.065298, 48.835069, 57.818203, 151.867755,
- 153.625733, 31.447893, 32.750906, 32.266221, 32.302627,
- 42.268290, 38.854272, 35.574619, 49.427510, 56.878041,
- 50.330896, 48.931678, 39.717770, 40.065331, 48.835069,
- 57.818191, 151.733328, 156.892368, 150.600520, 42.125514,
- 43.448292, 33.901056, 49.284440, 47.710751, 52.761179,
- 46.446220, 71.330907, 47.520016, 49.126258, 40.678046,
- 40.107037, 48.835077, 57.818191, 151.733068, 153.820869,
- 83.953859, 77.615621, 42.078145, 44.460837, 53.413056,
- 53.860750, 51.935802, 60.688133, 54.022549, 59.058236,
- 61.487243, 49.511225, 53.558701, 50.619860, 57.871196,
- 151.733230, 153.821045, 83.819613, 77.759808, 76.318016,
- 47.334708, 55.115021, 63.088351, 65.025437, 66.447005,
- 66.685816, 72.840860, 70.204772, 75.247159, 75.769300,
- 62.167236, 83.948064, 149.878947, 155.679346, 86.031186,
- 83.012511, 86.265353, 124.454706, 64.496779, 78.702984,
- 76.659370, 83.931191, 87.076287, 91.454837, 94.323380,
- 104.708654, 109.932924, 118.596035, 126.154595, 114.409068,
- 89.213630, 131.569970, 134.824613, 205.866155, 239.628810,
- 233.070258, 72.308997, 94.104934, 101.404120, 121.159064,
- 139.921349, 156.802796, 164.908506, 170.895200, 184.099064,
- 198.250167, 207.100063, 207.922921, 207.455763, 210.915553,
- 241.757520, 246.227265, 247.706317, 237.758893, 138.726610,
- 135.459290, 198.494473, 240.094885, 275.356590, 295.461068,
- 304.435273, 303.110796, 296.273053, 317.439936, 319.323966,
- 331.200883, 330.246858, 256.379818, 247.994095, 247.767952,
- 247.767210, 237.760453, 243.406633, 292.096487, 381.480937,
- 421.494757, 458.357268, 483.808573, 487.800297, 481.212962,
- 472.226349, 472.996935, 480.732289, 475.694812, 418.477476,
- 412.710307, 268.338558, 261.989349, 261.987913, 251.406810,
- 469.068582, 568.835648, 608.315967, 642.717253, 653.879813,
- 681.008793, 688.659203, 677.706251, 668.348079, 652.995530,
- 636.214467, 632.005555, 550.175654, 522.412011, 588.754096,
- 591.721361, 591.719586, 567.821360, 667.228892, 787.133995,
- 830.015474, 848.841400, 863.280871, 882.475988, 896.321308,
- 889.205975, 878.059084, 871.467549, 860.073920, 814.054753,
- 726.521001, 747.583633, 751.922326, 752.065525, 752.062970,
- 721.688835, 795.516527, 916.651129, 1045.662316, 1064.160855,
- 1070.930169, 1060.177543, 1080.056283, 1096.204211, 1095.337870,
- 1098.401980, 1087.336698, 1022.507849, 916.586633, 938.424837,
- 942.750167, 945.352203, 945.457385, 907.272493, 943.653980,
- 1021.248655, 1129.544563, 1267.035138, 1281.163505, 1235.783117,
- 1258.747831, 1285.425350, 1293.324247, 1314.802791, 1320.786990,
- 1253.910457, 1138.645930, 1091.248129, 1161.397763, 1220.617170,
- 1223.081462, 1173.684183, 1077.194216, 1216.741493, 1278.148407,
- 1383.489545, 1497.622061, 1505.771495, 1422.262568, 1462.870558,
- 1491.544736, 1494.922359, 1533.495237, 1509.573542, 1356.235452,
- 1322.878872, 1324.869188, 1327.897500, 1337.708123, 1284.090364,
- 1177.946473, 1335.104679, 1414.612819, 1508.772208, 1656.204257,
- 1636.726625, 1693.515385, 1658.176544, 1626.718453, 1699.881842,
- 1721.127481, 1715.540667, 1610.027798, 1528.475428, 1525.090509,
- 1534.987574, 1760.238672, 1698.643936, 1285.821939, 1417.714456,
- 1527.788112, 1660.663143, 1648.660011, 1838.036905, 1838.669356,
- 1803.685279, 1895.404145, 1878.456820, 1907.761437, 1891.806178,
- 1798.474576, 1772.695413, 1777.922135, 1782.961020, 1891.441373,
- 1819.624352, 1363.652278, 1525.975687, 1664.733346, 1725.645678,
- 1842.181220, 1845.935374, 1847.645643, 2084.649919, 2156.327082,
- 2070.132265, 2093.920913, 2066.856209, 1935.233655, 1757.519179,
- 1894.998543, 1904.433642, 1909.668939, 1832.757449, 1466.924321,
- 1622.799826, 1723.952077, 1846.075992, 1857.802996, 1849.640165,
- 2127.098845, 2370.422248, 2375.277013, 2471.317955, 2282.670767,
- 2242.894713, 2110.737592, 1924.405669, 2022.847422, 2092.614827,
- 2113.100659, 2028.502155, 1561.024406, 1719.325091, 1845.872940,
- 1857.825889, 1850.155079, 2127.184115, 2372.221523, 2397.560183,
- 2793.802030, 2525.955468, 2512.515727, 2465.117634, 2335.991284,
- 2104.381407, 2124.161214, 2128.328755, 2129.221941, 2043.260174,
- 1651.007418, 1782.604815, 1855.046326, 1850.154844, 2127.184127,
- 2372.221529, 2397.560385, 2794.384764, 2544.781302, 2651.443272,
- 2739.000803, 2702.474497, 2522.919941, 2276.563499, 2274.919319,
- 2275.308573, 2275.300889, 2183.406597, 1713.105119, 1852.260885,
- 1850.032717, 2127.168115, 2371.857312, 2397.544382, 2794.384763,
- 2544.781370, 2651.673334, 2746.255820, 2763.494638, 2872.508140,
- 2846.367495, 2305.137739, 2281.712444, 2281.725436, 2281.717621,
- 2189.564169, 1780.286046, 1850.026376, 2127.168073, 2371.493095,
- 2389.254845, 2794.020546, 2544.781339, 2651.673334, 2746.255845,
- 2763.564597, 2874.688737, 2884.399707, 2860.263639, 2306.077266,
- 2281.728045, 2281.725981, 2281.718165, 2189.564691, 1775.067091,
- 2127.161715, 2371.493094, 2389.238842, 2793.656329, 2544.765337,
- 2651.673332, 2746.255845, 2763.564597, 2874.688743, 2884.401957,
- 2884.614099, 2860.264919, 2306.079244, 2281.728130, 2281.725981,
- 2281.718165, 2189.564691, 2052.948444, 2371.486799, 2389.238842,
- 2793.656328, 2544.765306, 2651.673331, 2746.255845, 2763.564597,
- 2874.688743, 2884.401957, 2884.616164, 2884.614218, 2861.248329,
- 2328.461556, 2282.711540, 2281.726065, 2281.718165, 2189.564691,
- 2285.514142, 2389.231550, 2793.656328, 2544.765306, 2651.673331,
- 2746.255845, 2763.564597, 2874.688743, 2884.401957, 2884.616164,
- 2884.616200, 2884.616117, 2883.630641, 2837.880625, 2305.093852,
- 2281.727963, 2281.718165, 2189.564691, 2293.011609, 2793.639080,
- 2544.755886, 2651.663879, 2746.245982, 2763.554715, 2874.678861,
- 2884.392075, 2884.606282, 2884.606318, 2884.606318, 2884.606318,
- 2884.604170, 2860.253139, 2306.069362, 2281.720230, 2281.710349,
- 2189.557190, 2600.476153, 2437.607663, 2540.606072, 2634.813199,
- 2647.265343, 2758.176106, 2767.889302, 2768.103509, 2768.103545,
- 2768.103545, 2768.103545, 2768.103545, 2768.101564, 2744.735758,
- 2212.932478, 2189.566673, 2189.557190, 2101.125891,
+ 638.390212,
+ 2.253108,
+ 166.585650,
+ -3.939401,
},
{
- 8.370360, 8.509764, 8.942497, 8.962541, 8.993650,
- 9.401615, 9.414854, 9.308823, 9.304164, 9.304163,
- 9.304164, 9.304609, 9.324803, 9.555049, 9.565277,
- 9.571194, 9.647370, 9.451428, 8.722648, 8.867100,
- 9.300225, 9.352116, 9.672213, 9.809754, 9.794381,
- 9.699874, 9.695753, 9.695753, 9.696199, 9.716392,
- 9.947083, 9.967407, 9.973767, 10.050124, 10.454503,
- 14.384681, 8.722677, 8.848489, 8.875968, 9.334087,
- 9.685450, 9.793645, 9.413799, 9.683184, 9.695785,
- 9.696231, 9.716425, 9.947116, 9.967440, 9.973802,
- 10.050158, 10.454591, 15.023561, 15.153937, 8.723107,
- 8.857467, 8.857756, 9.333268, 9.685451, 9.792911,
- 9.397076, 9.682449, 9.695786, 9.706329, 9.946672,
- 9.967440, 9.973802, 10.050158, 10.454591, 15.023647,
- 16.163497, 23.616388, 8.732904, 9.080445, 8.867552,
- 9.333269, 9.685451, 9.792910, 9.397075, 9.682449,
- 9.696231, 9.716869, 9.957343, 9.973801, 10.050158,
- 10.454591, 15.023647, 16.163589, 24.700350, 25.680478,
- 8.733342, 9.090251, 8.868006, 9.333704, 9.685477,
- 9.792913, 9.397086, 9.682895, 9.716424, 9.947246,
- 9.973357, 10.050158, 10.454591, 15.023647, 16.163589,
- 24.700554, 28.087109, 55.858717, 8.827122, 9.186580,
- 8.932093, 9.387586, 9.780396, 9.827339, 9.522726,
- 9.715771, 9.936594, 9.972878, 10.050158, 10.454591,
- 15.023647, 16.163589, 24.700554, 28.087318, 58.323463,
- 58.504090, 11.020305, 11.418729, 10.432068, 10.462985,
- 11.980204, 10.705178, 12.392570, 10.364495, 9.829351,
- 10.102947, 10.457228, 15.023647, 16.163589, 24.700554,
- 28.087319, 58.323704, 60.984846, 58.926665, 12.554530,
- 12.511580, 11.828923, 12.308025, 13.298760, 13.044522,
- 12.945689, 13.556029, 12.673484, 12.067338, 15.194674,
- 16.168241, 24.700556, 28.087321, 58.339708, 61.349323,
- 61.787659, 67.232638, 15.008518, 15.485683, 15.872869,
- 16.107583, 15.835820, 16.877645, 17.678106, 18.822352,
- 20.208378, 19.665073, 19.090588, 25.203257, 28.104179,
- 58.339741, 61.713565, 70.078019, 70.458033, 67.961299,
- 17.761908, 35.462897, 20.615440, 19.929266, 20.679593,
- 22.692816, 25.941528, 29.215386, 34.956494, 38.908872,
- 35.866805, 37.824252, 59.112479, 61.729892, 70.173287,
- 72.702736, 72.797652, 69.857555, 20.506234, 39.710259,
- 24.054829, 25.703729, 31.621917, 38.509103, 44.229053,
- 56.544042, 67.468427, 79.581678, 80.144809, 78.556111,
- 74.399792, 73.852202, 76.027762, 117.654284, 119.482115,
- 114.656650, 25.548773, 48.434418, 42.617322, 59.026359,
- 82.885084, 103.416136, 110.596012, 118.893312, 139.741780,
- 150.511338, 161.901080, 167.647532, 162.429576, 152.184833,
- 152.445359, 168.398896, 169.099625, 162.269514, 82.673806,
- 70.110218, 132.312464, 183.332020, 215.910819, 237.790158,
- 239.207817, 229.469490, 230.174506, 250.717349, 253.902836,
- 250.549622, 207.721430, 175.337781, 174.022082, 174.844559,
- 179.095719, 164.620978, 109.303621, 158.273825, 282.689646,
- 346.940666, 386.914531, 410.989383, 397.460378, 370.331321,
- 364.107004, 366.410030, 380.333542, 363.501310, 294.254304,
- 262.048447, 260.790777, 265.975674, 362.177173, 183.336338,
- 404.520239, 473.542827, 507.606249, 529.861510, 559.718099,
- 588.632991, 577.691379, 533.799138, 522.780262, 528.340923,
- 525.905829, 507.879853, 415.994095, 425.708669, 426.932731,
- 441.248848, 446.721366, 435.160437, 604.741350, 709.039378,
- 780.416591, 732.829427, 733.032326, 766.737728, 758.413295,
- 720.856125, 705.746779, 717.211527, 703.753940, 661.340782,
- 552.231698, 523.727433, 522.707356, 523.327476, 523.380946,
- 502.845082, 745.431184, 827.490462, 962.723712, 998.756854,
- 911.671845, 907.248783, 925.966430, 901.879365, 900.337680,
- 919.439892, 914.334537, 842.878262, 704.639674, 702.883177,
- 703.067185, 703.067254, 703.064850, 674.669690, 894.169844,
- 1025.903412, 1134.439771, 1219.193918, 1158.526825, 1079.781195,
- 1077.325043, 1076.106019, 1075.934290, 1117.511500, 1135.469693,
- 1063.699731, 901.900714, 920.553711, 921.681648, 921.681860,
- 921.679125, 884.454592, 994.327035, 1175.512444, 1231.834682,
- 1307.830164, 1407.421778, 1326.963114, 1253.371428, 1250.787362,
- 1269.653825, 1282.857814, 1343.429863, 1307.501250, 1114.048857,
- 983.551449, 978.228429, 979.601009, 984.578211, 945.021162,
- 1135.950879, 1278.106415, 1310.418579, 1419.457570, 1488.462247,
- 1521.009066, 1542.754625, 1434.182316, 1454.788272, 1471.133321,
- 1506.092266, 1521.256433, 1327.843116, 1309.574134, 1310.302024,
- 1341.725430, 1459.021892, 1404.992306, 1232.172010, 1349.471091,
- 1428.291402, 1487.206606, 1535.398237, 1746.731849, 1716.656287,
- 1635.940921, 1639.303784, 1673.047286, 1693.682270, 1671.177816,
- 1517.793233, 1479.700025, 1478.369392, 1483.694229, 1578.610159,
- 1518.853600, 1297.751330, 1428.849626, 1485.708645, 1493.412575,
- 1741.940596, 1728.475751, 1735.779511, 1858.578642, 1918.863689,
- 1863.724239, 1891.004802, 1842.815568, 1675.715043, 1588.071911,
- 1589.814363, 1592.306606, 1596.345158, 1532.039001, 1373.297412,
- 1461.343441, 1492.261194, 1736.797392, 1653.192795, 1733.476694,
- 1888.263820, 2082.789610, 1991.468137, 1883.805569, 2116.637406,
- 2071.956368, 1871.698996, 1644.776129, 1756.448731, 1809.269770,
- 1811.354640, 1738.198277, 1403.551810, 1491.185946, 1736.750346,
- 1653.047461, 1730.172539, 1888.230584, 2085.624280, 1993.438043,
- 1786.471183, 2337.838134, 2448.464613, 2336.935884, 2097.581279,
- 1808.183187, 1828.142934, 1821.170551, 1820.795051, 1747.257197,
- 1427.896429, 1736.558511, 1653.047441, 1730.172527, 1888.230448,
- 2087.322730, 2032.094869, 1787.954651, 2341.066895, 2641.531977,
- 2539.340235, 2507.302262, 2309.116599, 2030.685235, 2078.550644,
- 1842.720183, 1832.216691, 1758.216718, 1580.198506, 1648.792285,
- 1730.172167, 1888.230448, 2087.322736, 2032.169494, 1789.653110,
- 2341.141530, 2641.873005, 2555.239313, 2709.221434, 2715.218691,
- 2682.937371, 2124.893499, 2102.967545, 2092.601766, 2092.133383,
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- 1138.974823, 1092.974187, 1056.722338, 1249.164781, 1326.443132,
- 1110.191843, 1079.300187, 1239.231971, 1644.540839, 1609.866572,
- 1604.515142, 1604.380213, 1604.380190, 1604.378596, 1585.582205,
- 1157.778240, 1138.980383, 1138.978724, 1138.974823, 1092.974187,
- 1204.957557, 1326.440488, 1110.191892, 1079.300187, 1239.231971,
- 1644.540839, 1609.866572, 1604.515142, 1604.380213, 1604.380190,
- 1604.380190, 1604.378661, 1586.341349, 1175.056279, 1139.739527,
- 1138.978789, 1138.974823, 1092.974187, 1275.872102, 1110.183396,
- 1079.294485, 1239.226464, 1644.535343, 1609.861076, 1604.509646,
- 1604.374717, 1604.374695, 1604.374695, 1604.374695, 1604.374630,
- 1603.613892, 1568.297204, 1157.013600, 1138.976353, 1138.970921,
- 1092.970443, 1014.576161, 1029.697894, 1172.002606, 1579.603765,
- 1545.063972, 1539.712554, 1539.577625, 1539.577603, 1539.577603,
- 1539.577603, 1539.577603, 1539.577603, 1539.576008, 1521.537360,
- 1111.012900, 1092.975717, 1092.970443, 1048.827820,
+ 416.770113,
+ 14.794188,
+ 167.686830,
+ -6.997756,
+ },
+ {
+ 378.511276,
+ 9.558376,
+ 154.658843,
+ -6.635663,
+ },
+ {
+ 277.818787,
+ 4.413180,
+ 150.317637,
+ -9.893038,
+ },
+ {
+ 142.212132,
+ 11.542038,
+ 94.393964,
+ -5.518517,
+ },
+ {
+ 219.100256,
+ 4.007421,
+ 108.932852,
+ -6.981310,
+ },
+ {
+ 222.261971,
+ 3.251049,
+ 95.972916,
+ -5.609789,
},
};
-static const double interp_dgrid_surf[33 * 18] = {
- 15.491252, 15.496413, 15.496379, 15.394447, 15.394431, 15.446941, 15.480480,
- 15.480491, 15.480491, 15.480491, 15.480573, 15.603112, 15.603153, 15.602880,
- 15.196621, 15.195983, 14.447585, 14.442076, 15.599420, 15.501644, 15.501575,
- 15.399610, 15.399669, 15.452121, 15.485671, 15.485682, 15.485682, 15.485724,
- 15.608303, 15.608385, 15.608113, 15.201854, 15.201079, 14.452681, 14.451350,
- 13.210484, 15.599455, 15.501644, 15.501575, 15.399686, 15.626744, 15.452197,
- 15.485671, 15.485682, 15.485682, 15.485765, 15.608344, 15.608113, 15.201854,
- 15.201079, 14.452681, 14.451350, 13.214913, 13.208705, 15.599455, 15.501679,
- 15.501575, 15.399686, 15.626820, 15.452197, 15.485671, 15.485682, 15.485765,
- 15.608303, 15.608113, 15.201854, 15.201079, 14.452681, 14.451350, 13.214913,
- 13.212184, 10.377543, 15.599489, 15.604652, 15.501610, 15.399686, 15.626820,
- 15.452197, 15.485671, 15.485724, 15.608303, 15.608113, 15.201794, 15.201079,
- 14.452681, 14.451350, 13.214913, 13.212184, 10.381022, 10.373758, 15.599489,
- 15.604686, 15.501645, 15.399727, 15.626807, 15.452213, 15.485673, 15.485765,
- 15.608072, 15.201734, 15.022022, 14.452621, 14.451350, 13.214913, 13.212184,
- 10.381022, 10.375351, 4.752366, 15.599553, 15.604785, 15.606745, 15.523109,
- 15.588440, 15.498592, 15.490939, 15.608113, 15.201734, 15.022022, 14.452398,
- 14.451350, 13.214913, 13.212184, 10.381022, 10.375351, 4.753958, 4.748594,
- 15.788491, 15.793763, 15.727178, 15.593404, 15.576185, 15.541155, 15.528638,
- 15.443234, 15.022046, 14.452234, 13.963908, 13.214750, 13.212184, 10.381022,
- 10.375351, 4.753958, 4.750187, 4.748513, 15.783667, 15.788604, 15.715040,
- 15.574608, 15.604897, 15.345511, 15.322323, 15.003579, 14.280362, 13.963611,
- 13.214382, 13.212184, 10.381022, 10.375351, 4.753958, 4.750106, 4.750025,
- 4.508804, 15.747709, 14.765834, 15.706678, 15.619092, 15.637946, 15.437393,
- 14.705235, 13.886464, 13.092309, 12.499506, 12.601594, 10.380302, 10.375350,
- 4.753958, 4.750026, 4.510253, 4.510173, 4.508580, 15.641901, 14.968111,
- 15.663074, 15.583828, 15.420627, 14.983936, 13.912901, 13.425841, 11.601603,
- 10.600757, 10.110971, 8.839811, 4.753363, 4.749963, 4.510190, 4.322919,
- 4.322857, 4.321407, 15.545263, 14.859883, 15.429167, 15.185696, 14.527376,
- 13.650042, 12.244185, 10.755706, 9.356137, 8.229212, 8.166627, 7.324414,
- 4.511146, 4.322709, 4.322566, 4.322503, 4.322503, 4.321054, 15.151031,
- 14.579126, 14.592456, 13.733213, 11.980508, 10.685709, 9.143695, 7.466555,
- 6.434770, 5.659204, 5.592407, 5.356211, 4.597869, 3.456439, 3.456056,
- 3.456176, 3.456176, 3.455018, 13.478598, 13.969965, 10.921203, 9.274388,
- 7.530261, 6.614303, 5.617812, 4.558886, 4.008929, 3.739688, 3.597707,
- 3.510418, 3.041638, 3.096611, 3.096750, 3.455008, 3.455038, 3.453880,
- 11.982351, 11.102072, 6.384662, 5.366178, 4.365376, 3.782955, 3.285890,
- 2.758904, 2.439067, 2.338593, 2.257332, 2.190385, 2.088145, 1.867744,
- 1.867445, 1.196878, 0.929332, 0.928931, 6.882587, 5.102224, 3.928701,
- 3.021205, 2.614349, 2.162491, 1.870802, 1.628127, 1.448370, 1.352404,
- 1.349332, 1.277236, 1.128399, 0.928668, 0.928601, 0.928485, 0.928395,
- 0.928084, 4.066496, 3.233175, 2.413117, 1.830193, 1.473572, 1.273461,
- 1.065156, 0.929824, 0.844729, 0.777037, 0.754300, 0.759737, 0.658871,
- 0.603118, 0.603209, 0.928096, 0.928205, 0.927893, 2.747433, 2.039019,
- 1.400016, 1.123698, 0.918772, 0.744824, 0.627536, 0.528263, 0.480634,
- 0.446093, 0.423444, 0.401394, 0.394353, 0.360914, 0.360903, 0.361012,
- 0.361012, 0.360891, 1.709038, 1.258373, 0.985529, 0.673582, 0.559577,
- 0.456411, 0.372560, 0.312622, 0.268425, 0.251698, 0.238132, 0.222477,
- 0.209643, 0.165264, 0.165254, 0.165254, 0.165254, 0.165199, 1.088160,
- 0.806677, 0.673453, 0.490758, 0.350173, 0.277724, 0.229342, 0.190245,
- 0.158717, 0.138414, 0.132405, 0.123800, 0.120550, 0.128355, 0.142808,
- 0.142812, 0.142800, 0.142752, 0.806227, 0.588621, 0.490714, 0.350136,
- 0.236497, 0.188583, 0.143991, 0.115039, 0.097317, 0.081406, 0.071159,
- 0.067980, 0.062769, 0.066575, 0.066581, 0.066569, 0.030318, 0.030291,
- 0.588339, 0.456572, 0.302189, 0.236473, 0.188564, 0.126491, 0.101248,
- 0.075242, 0.059591, 0.051942, 0.042824, 0.037390, 0.034523, 0.030277,
- 0.030275, 0.030275, 0.030258, 0.014677, 0.456374, 0.302172, 0.236448,
- 0.164278, 0.126481, 0.094667, 0.068489, 0.053835, 0.038513, 0.031335,
- 0.028947, 0.022753, 0.019347, 0.014676, 0.014675, 0.014674, 0.014674,
- 0.014664, 0.302014, 0.221625, 0.164273, 0.126473, 0.094667, 0.068483,
- 0.053831, 0.034298, 0.027445, 0.022220, 0.016315, 0.015692, 0.012949,
- 0.009448, 0.009442, 0.007914, 0.007913, 0.007910, 0.221524, 0.164268,
- 0.126473, 0.094667, 0.068480, 0.044800, 0.034295, 0.027442, 0.019666,
- 0.014389, 0.011041, 0.011550, 0.009117, 0.021326, 0.007915, 0.007911,
- 0.007911, 0.007908, 0.164193, 0.126473, 0.094667, 0.068480, 0.044800,
- 0.034291, 0.027442, 0.019665, 0.014388, 0.008515, 0.008320, 0.009117,
- 0.007357, 0.004348, 0.004343, 0.007908, 0.007910, 0.007907, 0.125623,
- 0.094667, 0.068480, 0.044800, 0.034289, 0.023364, 0.019663, 0.011887,
- 0.008514, 0.008318, 0.007208, 0.007208, 0.007206, 0.004342, 0.004341,
- 0.004342, 0.004342, 0.004341, 0.094624, 0.068480, 0.044800, 0.034289,
- 0.023364, 0.019662, 0.011887, 0.008514, 0.008318, 0.007208, 0.007207,
- 0.007207, 0.007206, 0.004342, 0.004341, 0.004341, 0.004341, 0.004340,
- 0.068449, 0.044800, 0.034289, 0.023364, 0.019662, 0.011887, 0.008514,
- 0.008318, 0.007208, 0.007207, 0.007207, 0.007207, 0.007206, 0.004343,
- 0.004341, 0.004341, 0.004341, 0.004340, 0.044777, 0.034289, 0.023364,
- 0.019662, 0.011887, 0.008514, 0.008318, 0.007208, 0.007207, 0.007207,
- 0.007207, 0.007207, 0.007207, 0.007205, 0.004342, 0.004341, 0.004341,
- 0.004340, 0.034274, 0.023364, 0.019662, 0.011887, 0.008514, 0.008318,
- 0.007208, 0.007207, 0.007207, 0.007207, 0.007207, 0.007207, 0.007207,
- 0.007206, 0.004342, 0.004341, 0.004341, 0.004340, 0.023353, 0.019662,
- 0.011887, 0.008514, 0.008318, 0.007208, 0.007207, 0.007207, 0.007207,
- 0.007207, 0.007207, 0.007207, 0.007207, 0.007206, 0.004343, 0.004341,
- 0.004341, 0.004340, 0.019650, 0.011884, 0.008511, 0.008316, 0.007205,
- 0.007205, 0.007205, 0.007205, 0.007205, 0.007205, 0.007205, 0.007205,
- 0.007205, 0.007205, 0.007203, 0.004341, 0.004340, 0.004338,
+static const double surffit_dist_params[7] = {
+ 1.475844, 4.328362, -5.680233, -0.500994, 0.554585, 4.839478, -0.695837
};
+static void rate_surffit_model_params_lookup(BLOCK_SIZE bsize, double xm,
+ double *rpar) {
+ const int cat = bsize_surffit_model_cat_lookup[bsize];
+ rpar[0] = surffit_rate_params[cat][0] + surffit_rate_params[cat][1] * xm;
+ rpar[1] = surffit_rate_params[cat][2] + surffit_rate_params[cat][3] * xm;
+}
+
+static void dist_surffit_model_params_lookup(BLOCK_SIZE bsize, double xm,
+ double *dpar) {
+ (void)bsize;
+ const double *params = surffit_dist_params;
+ dpar[0] = params[0] + params[1] / (1 + exp((xm + params[2]) * params[3]));
+ dpar[1] = params[4] + params[5] * exp(params[6] * xm);
+}
+
void av1_model_rd_surffit(BLOCK_SIZE bsize, double sse_norm, double xm,
- double yl, double *rate_f, double *dist_f) {
+ double yl, double *rate_f, double *distbysse_f) {
(void)sse_norm;
- const double x_start = -0.5;
- const double x_end = 16.5;
- const double x_step = 1.0;
- const double y_start = -15.5;
- const double y_end = 16.5;
- const double y_step = 1.0;
- const double epsilon = 1e-6;
- const int stride = (int)rint((x_end - x_start) / x_step) + 1;
- const int rcat = bsize_model_cat_lookup[bsize];
- (void)y_end;
+ double rpar[2], dpar[2];
+ rate_surffit_model_params_lookup(bsize, xm, rpar);
+ dist_surffit_model_params_lookup(bsize, xm, dpar);
- xm = AOMMAX(xm, x_start + x_step + epsilon);
- xm = AOMMIN(xm, x_end - x_step - epsilon);
- yl = AOMMAX(yl, y_start + y_step + epsilon);
- yl = AOMMIN(yl, y_end - y_step - epsilon);
-
- const double y = (yl - y_start) / y_step;
- const double x = (xm - x_start) / x_step;
-
- const int yi = (int)floor(y);
- const int xi = (int)floor(x);
- assert(xi > 0);
- assert(yi > 0);
-
- const double yo = y - yi;
- const double xo = x - xi;
- const double *prate = &interp_rgrid_surf[rcat][(yi - 1) * stride + (xi - 1)];
- const double *pdist = &interp_dgrid_surf[(yi - 1) * stride + (xi - 1)];
- *rate_f = interp_bicubic(prate, stride, xo, yo);
- *dist_f = interp_bicubic(pdist, stride, xo, yo);
+ *rate_f = get_rate_clamplinear(yl, rpar[0], rpar[1]);
+ *distbysse_f = get_dbysse_logistic(yl, dpar[0], dpar[1]);
}
static const double interp_rgrid_curv[4][65] = {
@@ -1429,8 +929,8 @@
const double x_end = 16.5;
const double x_step = 0.5;
const double epsilon = 1e-6;
- const int rcat = bsize_model_cat_lookup[bsize];
- const int dcat = sse_norm_model_cat_lookup(sse_norm);
+ const int rcat = bsize_curvfit_model_cat_lookup[bsize];
+ const int dcat = sse_norm_curvfit_model_cat_lookup(sse_norm);
(void)x_end;
xqr = AOMMAX(xqr, x_start + x_step + epsilon);
