/src/libvpx/vp9/common/vp9_quant_common.c

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3		*
4		* Use of this source code is governed by a BSD-style license
5		* that can be found in the LICENSE file in the root of the source
6		* tree. An additional intellectual property rights grant can be found
7		* in the file PATENTS. All contributing project authors may
8		* be found in the AUTHORS file in the root of the source tree.
9		*/
10
11		#include "vp9/common/vp9_common.h"
12		#include "vp9/common/vp9_quant_common.h"
13		#include "vp9/common/vp9_seg_common.h"
14
15		static const int16_t dc_qlookup[QINDEX_RANGE] = {
16		4, 8, 8, 9, 10, 11, 12, 12, 13, 14, 15, 16, 17, 18,
17		19, 19, 20, 21, 22, 23, 24, 25, 26, 26, 27, 28, 29, 30,
18		31, 32, 32, 33, 34, 35, 36, 37, 38, 38, 39, 40, 41, 42,
19		43, 43, 44, 45, 46, 47, 48, 48, 49, 50, 51, 52, 53, 53,
20		54, 55, 56, 57, 57, 58, 59, 60, 61, 62, 62, 63, 64, 65,
21		66, 66, 67, 68, 69, 70, 70, 71, 72, 73, 74, 74, 75, 76,
22		77, 78, 78, 79, 80, 81, 81, 82, 83, 84, 85, 85, 87, 88,
23		90, 92, 93, 95, 96, 98, 99, 101, 102, 104, 105, 107, 108, 110,
24		111, 113, 114, 116, 117, 118, 120, 121, 123, 125, 127, 129, 131, 134,
25		136, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 158, 161, 164,
26		166, 169, 172, 174, 177, 180, 182, 185, 187, 190, 192, 195, 199, 202,
27		205, 208, 211, 214, 217, 220, 223, 226, 230, 233, 237, 240, 243, 247,
28		250, 253, 257, 261, 265, 269, 272, 276, 280, 284, 288, 292, 296, 300,
29		304, 309, 313, 317, 322, 326, 330, 335, 340, 344, 349, 354, 359, 364,
30		369, 374, 379, 384, 389, 395, 400, 406, 411, 417, 423, 429, 435, 441,
31		447, 454, 461, 467, 475, 482, 489, 497, 505, 513, 522, 530, 539, 549,
32		559, 569, 579, 590, 602, 614, 626, 640, 654, 668, 684, 700, 717, 736,
33		755, 775, 796, 819, 843, 869, 896, 925, 955, 988, 1022, 1058, 1098, 1139,
34		1184, 1232, 1282, 1336,
35		};
36
37		#if CONFIG_VP9_HIGHBITDEPTH
38		static const int16_t dc_qlookup_10[QINDEX_RANGE] = {
39		4, 9, 10, 13, 15, 17, 20, 22, 25, 28, 31, 34, 37,
40		40, 43, 47, 50, 53, 57, 60, 64, 68, 71, 75, 78, 82,
41		86, 90, 93, 97, 101, 105, 109, 113, 116, 120, 124, 128, 132,
42		136, 140, 143, 147, 151, 155, 159, 163, 166, 170, 174, 178, 182,
43		185, 189, 193, 197, 200, 204, 208, 212, 215, 219, 223, 226, 230,
44		233, 237, 241, 244, 248, 251, 255, 259, 262, 266, 269, 273, 276,
45		280, 283, 287, 290, 293, 297, 300, 304, 307, 310, 314, 317, 321,
46		324, 327, 331, 334, 337, 343, 350, 356, 362, 369, 375, 381, 387,
47		394, 400, 406, 412, 418, 424, 430, 436, 442, 448, 454, 460, 466,
48		472, 478, 484, 490, 499, 507, 516, 525, 533, 542, 550, 559, 567,
49		576, 584, 592, 601, 609, 617, 625, 634, 644, 655, 666, 676, 687,
50		698, 708, 718, 729, 739, 749, 759, 770, 782, 795, 807, 819, 831,
51		844, 856, 868, 880, 891, 906, 920, 933, 947, 961, 975, 988, 1001,
52		1015, 1030, 1045, 1061, 1076, 1090, 1105, 1120, 1137, 1153, 1170, 1186, 1202,
53		1218, 1236, 1253, 1271, 1288, 1306, 1323, 1342, 1361, 1379, 1398, 1416, 1436,
54		1456, 1476, 1496, 1516, 1537, 1559, 1580, 1601, 1624, 1647, 1670, 1692, 1717,
55		1741, 1766, 1791, 1817, 1844, 1871, 1900, 1929, 1958, 1990, 2021, 2054, 2088,
56		2123, 2159, 2197, 2236, 2276, 2319, 2363, 2410, 2458, 2508, 2561, 2616, 2675,
57		2737, 2802, 2871, 2944, 3020, 3102, 3188, 3280, 3375, 3478, 3586, 3702, 3823,
58		3953, 4089, 4236, 4394, 4559, 4737, 4929, 5130, 5347,
59		};
60
61		static const int16_t dc_qlookup_12[QINDEX_RANGE] = {
62		4, 12, 18, 25, 33, 41, 50, 60, 70, 80, 91,
63		103, 115, 127, 140, 153, 166, 180, 194, 208, 222, 237,
64		251, 266, 281, 296, 312, 327, 343, 358, 374, 390, 405,
65		421, 437, 453, 469, 484, 500, 516, 532, 548, 564, 580,
66		596, 611, 627, 643, 659, 674, 690, 706, 721, 737, 752,
67		768, 783, 798, 814, 829, 844, 859, 874, 889, 904, 919,
68		934, 949, 964, 978, 993, 1008, 1022, 1037, 1051, 1065, 1080,
69		1094, 1108, 1122, 1136, 1151, 1165, 1179, 1192, 1206, 1220, 1234,
70		1248, 1261, 1275, 1288, 1302, 1315, 1329, 1342, 1368, 1393, 1419,
71		1444, 1469, 1494, 1519, 1544, 1569, 1594, 1618, 1643, 1668, 1692,
72		1717, 1741, 1765, 1789, 1814, 1838, 1862, 1885, 1909, 1933, 1957,
73		1992, 2027, 2061, 2096, 2130, 2165, 2199, 2233, 2267, 2300, 2334,
74		2367, 2400, 2434, 2467, 2499, 2532, 2575, 2618, 2661, 2704, 2746,
75		2788, 2830, 2872, 2913, 2954, 2995, 3036, 3076, 3127, 3177, 3226,
76		3275, 3324, 3373, 3421, 3469, 3517, 3565, 3621, 3677, 3733, 3788,
77		3843, 3897, 3951, 4005, 4058, 4119, 4181, 4241, 4301, 4361, 4420,
78		4479, 4546, 4612, 4677, 4742, 4807, 4871, 4942, 5013, 5083, 5153,
79		5222, 5291, 5367, 5442, 5517, 5591, 5665, 5745, 5825, 5905, 5984,
80		6063, 6149, 6234, 6319, 6404, 6495, 6587, 6678, 6769, 6867, 6966,
81		7064, 7163, 7269, 7376, 7483, 7599, 7715, 7832, 7958, 8085, 8214,
82		8352, 8492, 8635, 8788, 8945, 9104, 9275, 9450, 9639, 9832, 10031,
83		10245, 10465, 10702, 10946, 11210, 11482, 11776, 12081, 12409, 12750, 13118,
84		13501, 13913, 14343, 14807, 15290, 15812, 16356, 16943, 17575, 18237, 18949,
85		19718, 20521, 21387,
86		};
87		#endif
88
89		static const int16_t ac_qlookup[QINDEX_RANGE] = {
90		4, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
91		20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
92		33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
93		46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
94		59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
95		72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
96		85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97,
97		98, 99, 100, 101, 102, 104, 106, 108, 110, 112, 114, 116, 118,
98		120, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144,
99		146, 148, 150, 152, 155, 158, 161, 164, 167, 170, 173, 176, 179,
100		182, 185, 188, 191, 194, 197, 200, 203, 207, 211, 215, 219, 223,
101		227, 231, 235, 239, 243, 247, 251, 255, 260, 265, 270, 275, 280,
102		285, 290, 295, 300, 305, 311, 317, 323, 329, 335, 341, 347, 353,
103		359, 366, 373, 380, 387, 394, 401, 408, 416, 424, 432, 440, 448,
104		456, 465, 474, 483, 492, 501, 510, 520, 530, 540, 550, 560, 571,
105		582, 593, 604, 615, 627, 639, 651, 663, 676, 689, 702, 715, 729,
106		743, 757, 771, 786, 801, 816, 832, 848, 864, 881, 898, 915, 933,
107		951, 969, 988, 1007, 1026, 1046, 1066, 1087, 1108, 1129, 1151, 1173, 1196,
108		1219, 1243, 1267, 1292, 1317, 1343, 1369, 1396, 1423, 1451, 1479, 1508, 1537,
109		1567, 1597, 1628, 1660, 1692, 1725, 1759, 1793, 1828,
110		};
111
112		#if CONFIG_VP9_HIGHBITDEPTH
113		static const int16_t ac_qlookup_10[QINDEX_RANGE] = {
114		4, 9, 11, 13, 16, 18, 21, 24, 27, 30, 33, 37, 40,
115		44, 48, 51, 55, 59, 63, 67, 71, 75, 79, 83, 88, 92,
116		96, 100, 105, 109, 114, 118, 122, 127, 131, 136, 140, 145, 149,
117		154, 158, 163, 168, 172, 177, 181, 186, 190, 195, 199, 204, 208,
118		213, 217, 222, 226, 231, 235, 240, 244, 249, 253, 258, 262, 267,
119		271, 275, 280, 284, 289, 293, 297, 302, 306, 311, 315, 319, 324,
120		328, 332, 337, 341, 345, 349, 354, 358, 362, 367, 371, 375, 379,
121		384, 388, 392, 396, 401, 409, 417, 425, 433, 441, 449, 458, 466,
122		474, 482, 490, 498, 506, 514, 523, 531, 539, 547, 555, 563, 571,
123		579, 588, 596, 604, 616, 628, 640, 652, 664, 676, 688, 700, 713,
124		725, 737, 749, 761, 773, 785, 797, 809, 825, 841, 857, 873, 889,
125		905, 922, 938, 954, 970, 986, 1002, 1018, 1038, 1058, 1078, 1098, 1118,
126		1138, 1158, 1178, 1198, 1218, 1242, 1266, 1290, 1314, 1338, 1362, 1386, 1411,
127		1435, 1463, 1491, 1519, 1547, 1575, 1603, 1631, 1663, 1695, 1727, 1759, 1791,
128		1823, 1859, 1895, 1931, 1967, 2003, 2039, 2079, 2119, 2159, 2199, 2239, 2283,
129		2327, 2371, 2415, 2459, 2507, 2555, 2603, 2651, 2703, 2755, 2807, 2859, 2915,
130		2971, 3027, 3083, 3143, 3203, 3263, 3327, 3391, 3455, 3523, 3591, 3659, 3731,
131		3803, 3876, 3952, 4028, 4104, 4184, 4264, 4348, 4432, 4516, 4604, 4692, 4784,
132		4876, 4972, 5068, 5168, 5268, 5372, 5476, 5584, 5692, 5804, 5916, 6032, 6148,
133		6268, 6388, 6512, 6640, 6768, 6900, 7036, 7172, 7312,
134		};
135
136		static const int16_t ac_qlookup_12[QINDEX_RANGE] = {
137		4, 13, 19, 27, 35, 44, 54, 64, 75, 87, 99,
138		112, 126, 139, 154, 168, 183, 199, 214, 230, 247, 263,
139		280, 297, 314, 331, 349, 366, 384, 402, 420, 438, 456,
140		475, 493, 511, 530, 548, 567, 586, 604, 623, 642, 660,
141		679, 698, 716, 735, 753, 772, 791, 809, 828, 846, 865,
142		884, 902, 920, 939, 957, 976, 994, 1012, 1030, 1049, 1067,
143		1085, 1103, 1121, 1139, 1157, 1175, 1193, 1211, 1229, 1246, 1264,
144		1282, 1299, 1317, 1335, 1352, 1370, 1387, 1405, 1422, 1440, 1457,
145		1474, 1491, 1509, 1526, 1543, 1560, 1577, 1595, 1627, 1660, 1693,
146		1725, 1758, 1791, 1824, 1856, 1889, 1922, 1954, 1987, 2020, 2052,
147		2085, 2118, 2150, 2183, 2216, 2248, 2281, 2313, 2346, 2378, 2411,
148		2459, 2508, 2556, 2605, 2653, 2701, 2750, 2798, 2847, 2895, 2943,
149		2992, 3040, 3088, 3137, 3185, 3234, 3298, 3362, 3426, 3491, 3555,
150		3619, 3684, 3748, 3812, 3876, 3941, 4005, 4069, 4149, 4230, 4310,
151		4390, 4470, 4550, 4631, 4711, 4791, 4871, 4967, 5064, 5160, 5256,
152		5352, 5448, 5544, 5641, 5737, 5849, 5961, 6073, 6185, 6297, 6410,
153		6522, 6650, 6778, 6906, 7034, 7162, 7290, 7435, 7579, 7723, 7867,
154		8011, 8155, 8315, 8475, 8635, 8795, 8956, 9132, 9308, 9484, 9660,
155		9836, 10028, 10220, 10412, 10604, 10812, 11020, 11228, 11437, 11661, 11885,
156		12109, 12333, 12573, 12813, 13053, 13309, 13565, 13821, 14093, 14365, 14637,
157		14925, 15213, 15502, 15806, 16110, 16414, 16734, 17054, 17390, 17726, 18062,
158		18414, 18766, 19134, 19502, 19886, 20270, 20670, 21070, 21486, 21902, 22334,
159		22766, 23214, 23662, 24126, 24590, 25070, 25551, 26047, 26559, 27071, 27599,
160		28143, 28687, 29247,
161		};
162		#endif
163
164	38.6M	int16_t vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth) {
165	38.6M	#if CONFIG_VP9_HIGHBITDEPTH
166	38.6M	switch (bit_depth) {
167	38.6M	case VPX_BITS_8: return dc_qlookup[clamp(qindex + delta, 0, MAXQ)];
168	0	case VPX_BITS_10: return dc_qlookup_10[clamp(qindex + delta, 0, MAXQ)];
169	0	case VPX_BITS_12: return dc_qlookup_12[clamp(qindex + delta, 0, MAXQ)];
170	0	default:
171	0	assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
172	0	return -1;
173	38.6M	}
174		#else
175		(void)bit_depth;
176		return dc_qlookup[clamp(qindex + delta, 0, MAXQ)];
177		#endif
178	38.6M	}
179
180	18.0M	int16_t vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth) {
181	18.0M	#if CONFIG_VP9_HIGHBITDEPTH
182	18.0M	switch (bit_depth) {
183	17.7M	case VPX_BITS_8: return ac_qlookup[clamp(qindex + delta, 0, MAXQ)];
184	125k	case VPX_BITS_10: return ac_qlookup_10[clamp(qindex + delta, 0, MAXQ)];
185	126k	case VPX_BITS_12: return ac_qlookup_12[clamp(qindex + delta, 0, MAXQ)];
186	0	default:
187	0	assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
188	0	return -1;
189	18.0M	}
190		#else
191		(void)bit_depth;
192		return ac_qlookup[clamp(qindex + delta, 0, MAXQ)];
193		#endif
194	18.0M	}
195
196		int vp9_get_qindex(const struct segmentation *seg, int segment_id,
197	9.23M	int base_qindex) {
198	9.23M	if (segfeature_active(seg, segment_id, SEG_LVL_ALT_Q)) {
199	0	const int data = get_segdata(seg, segment_id, SEG_LVL_ALT_Q);
200	0	const int seg_qindex =
201	0	seg->abs_delta == SEGMENT_ABSDATA ? data : base_qindex + data;
202	0	return clamp(seg_qindex, 0, MAXQ);
203	9.23M	} else {
204	9.23M	return base_qindex;
205	9.23M	}
206	9.23M	}

Coverage Report

Created: 2024-09-06 07:53