1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#include "sword25/fmv/yuvtorgba.h"
#ifdef USE_THEORADEC
namespace Sword25 {
static const int PRECISION = 32768;
static const int COEFFS_Y[256] = {
-593888, -555746, -517604, -479462, -441320, -403178, -365036, -326894, -288752, -250610, -212468, -174326, -136184, -98042, -59900, -21758,
16384, 54526, 92668, 130810, 168952, 207094, 245236, 283378, 321520, 359662, 397804, 435946, 474088, 512230, 550372, 588514,
626656, 664798, 702940, 741082, 779224, 817366, 855508, 893650, 931792, 969934, 1008076, 1046218, 1084360, 1122502, 1160644, 1198786,
1236928, 1275070, 1313212, 1351354, 1389496, 1427638, 1465780, 1503922, 1542064, 1580206, 1618348, 1656490, 1694632, 1732774, 1770916, 1809058,
1847200, 1885342, 1923484, 1961626, 1999768, 2037910, 2076052, 2114194, 2152336, 2190478, 2228620, 2266762, 2304904, 2343046, 2381188, 2419330,
2457472, 2495614, 2533756, 2571898, 2610040, 2648182, 2686324, 2724466, 2762608, 2800750, 2838892, 2877034, 2915176, 2953318, 2991460, 3029602,
3067744, 3105886, 3144028, 3182170, 3220312, 3258454, 3296596, 3334738, 3372880, 3411022, 3449164, 3487306, 3525448, 3563590, 3601732, 3639874,
3678016, 3716158, 3754300, 3792442, 3830584, 3868726, 3906868, 3945010, 3983152, 4021294, 4059436, 4097578, 4135720, 4173862, 4212004, 4250146,
4288288, 4326430, 4364572, 4402714, 4440856, 4478998, 4517140, 4555282, 4593424, 4631566, 4669708, 4707850, 4745992, 4784134, 4822276, 4860418,
4898560, 4936702, 4974844, 5012986, 5051128, 5089270, 5127412, 5165554, 5203696, 5241838, 5279980, 5318122, 5356264, 5394406, 5432548, 5470690,
5508832, 5546974, 5585116, 5623258, 5661400, 5699542, 5737684, 5775826, 5813968, 5852110, 5890252, 5928394, 5966536, 6004678, 6042820, 6080962,
6119104, 6157246, 6195388, 6233530, 6271672, 6309814, 6347956, 6386098, 6424240, 6462382, 6500524, 6538666, 6576808, 6614950, 6653092, 6691234,
6729376, 6767518, 6805660, 6843802, 6881944, 6920086, 6958228, 6996370, 7034512, 7072654, 7110796, 7148938, 7187080, 7225222, 7263364, 7301506,
7339648, 7377790, 7415932, 7454074, 7492216, 7530358, 7568500, 7606642, 7644784, 7682926, 7721068, 7759210, 7797352, 7835494, 7873636, 7911778,
7949920, 7988062, 8026204, 8064346, 8102488, 8140630, 8178772, 8216914, 8255056, 8293198, 8331340, 8369482, 8407624, 8445766, 8483908, 8522050,
8560192, 8598334, 8636476, 8674618, 8712760, 8750902, 8789044, 8827186, 8865328, 8903470, 8941612, 8979754, 9017896, 9056038, 9094180, 9132322,
};
static const int COEFFS_RV[256] = {
-6694144, -6641846, -6589548, -6537250, -6484952, -6432654, -6380356, -6328058, -6275760, -6223462, -6171164, -6118866, -6066568, -6014270, -5961972, -5909674,
-5857376, -5805078, -5752780, -5700482, -5648184, -5595886, -5543588, -5491290, -5438992, -5386694, -5334396, -5282098, -5229800, -5177502, -5125204, -5072906,
-5020608, -4968310, -4916012, -4863714, -4811416, -4759118, -4706820, -4654522, -4602224, -4549926, -4497628, -4445330, -4393032, -4340734, -4288436, -4236138,
-4183840, -4131542, -4079244, -4026946, -3974648, -3922350, -3870052, -3817754, -3765456, -3713158, -3660860, -3608562, -3556264, -3503966, -3451668, -3399370,
-3347072, -3294774, -3242476, -3190178, -3137880, -3085582, -3033284, -2980986, -2928688, -2876390, -2824092, -2771794, -2719496, -2667198, -2614900, -2562602,
-2510304, -2458006, -2405708, -2353410, -2301112, -2248814, -2196516, -2144218, -2091920, -2039622, -1987324, -1935026, -1882728, -1830430, -1778132, -1725834,
-1673536, -1621238, -1568940, -1516642, -1464344, -1412046, -1359748, -1307450, -1255152, -1202854, -1150556, -1098258, -1045960, -993662, -941364, -889066,
-836768, -784470, -732172, -679874, -627576, -575278, -522980, -470682, -418384, -366086, -313788, -261490, -209192, -156894, -104596, -52298,
0, 52298, 104596, 156894, 209192, 261490, 313788, 366086, 418384, 470682, 522980, 575278, 627576, 679874, 732172, 784470,
836768, 889066, 941364, 993662, 1045960, 1098258, 1150556, 1202854, 1255152, 1307450, 1359748, 1412046, 1464344, 1516642, 1568940, 1621238,
1673536, 1725834, 1778132, 1830430, 1882728, 1935026, 1987324, 2039622, 2091920, 2144218, 2196516, 2248814, 2301112, 2353410, 2405708, 2458006,
2510304, 2562602, 2614900, 2667198, 2719496, 2771794, 2824092, 2876390, 2928688, 2980986, 3033284, 3085582, 3137880, 3190178, 3242476, 3294774,
3347072, 3399370, 3451668, 3503966, 3556264, 3608562, 3660860, 3713158, 3765456, 3817754, 3870052, 3922350, 3974648, 4026946, 4079244, 4131542,
4183840, 4236138, 4288436, 4340734, 4393032, 4445330, 4497628, 4549926, 4602224, 4654522, 4706820, 4759118, 4811416, 4863714, 4916012, 4968310,
5020608, 5072906, 5125204, 5177502, 5229800, 5282098, 5334396, 5386694, 5438992, 5491290, 5543588, 5595886, 5648184, 5700482, 5752780, 5805078,
5857376, 5909674, 5961972, 6014270, 6066568, 6118866, 6171164, 6223462, 6275760, 6328058, 6380356, 6432654, 6484952, 6537250, 6589548, 6641846,
};
static const int COEFFS_GU[256] = {
1639936, 1627124, 1614312, 1601500, 1588688, 1575876, 1563064, 1550252, 1537440, 1524628, 1511816, 1499004, 1486192, 1473380, 1460568, 1447756,
1434944, 1422132, 1409320, 1396508, 1383696, 1370884, 1358072, 1345260, 1332448, 1319636, 1306824, 1294012, 1281200, 1268388, 1255576, 1242764,
1229952, 1217140, 1204328, 1191516, 1178704, 1165892, 1153080, 1140268, 1127456, 1114644, 1101832, 1089020, 1076208, 1063396, 1050584, 1037772,
1024960, 1012148, 999336, 986524, 973712, 960900, 948088, 935276, 922464, 909652, 896840, 884028, 871216, 858404, 845592, 832780,
819968, 807156, 794344, 781532, 768720, 755908, 743096, 730284, 717472, 704660, 691848, 679036, 666224, 653412, 640600, 627788,
614976, 602164, 589352, 576540, 563728, 550916, 538104, 525292, 512480, 499668, 486856, 474044, 461232, 448420, 435608, 422796,
409984, 397172, 384360, 371548, 358736, 345924, 333112, 320300, 307488, 294676, 281864, 269052, 256240, 243428, 230616, 217804,
204992, 192180, 179368, 166556, 153744, 140932, 128120, 115308, 102496, 89684, 76872, 64060, 51248, 38436, 25624, 12812,
0, -12812, -25624, -38436, -51248, -64060, -76872, -89684, -102496, -115308, -128120, -140932, -153744, -166556, -179368, -192180,
-204992, -217804, -230616, -243428, -256240, -269052, -281864, -294676, -307488, -320300, -333112, -345924, -358736, -371548, -384360, -397172,
-409984, -422796, -435608, -448420, -461232, -474044, -486856, -499668, -512480, -525292, -538104, -550916, -563728, -576540, -589352, -602164,
-614976, -627788, -640600, -653412, -666224, -679036, -691848, -704660, -717472, -730284, -743096, -755908, -768720, -781532, -794344, -807156,
-819968, -832780, -845592, -858404, -871216, -884028, -896840, -909652, -922464, -935276, -948088, -960900, -973712, -986524, -999336, -1012148,
-1024960, -1037772, -1050584, -1063396, -1076208, -1089020, -1101832, -1114644, -1127456, -1140268, -1153080, -1165892, -1178704, -1191516, -1204328, -1217140,
-1229952, -1242764, -1255576, -1268388, -1281200, -1294012, -1306824, -1319636, -1332448, -1345260, -1358072, -1370884, -1383696, -1396508, -1409320, -1422132,
-1434944, -1447756, -1460568, -1473380, -1486192, -1499004, -1511816, -1524628, -1537440, -1550252, -1563064, -1575876, -1588688, -1601500, -1614312, -1627124,
};
static const int COEFFS_GV[256] = {
3409920, 3383280, 3356640, 3330000, 3303360, 3276720, 3250080, 3223440, 3196800, 3170160, 3143520, 3116880, 3090240, 3063600, 3036960, 3010320,
2983680, 2957040, 2930400, 2903760, 2877120, 2850480, 2823840, 2797200, 2770560, 2743920, 2717280, 2690640, 2664000, 2637360, 2610720, 2584080,
2557440, 2530800, 2504160, 2477520, 2450880, 2424240, 2397600, 2370960, 2344320, 2317680, 2291040, 2264400, 2237760, 2211120, 2184480, 2157840,
2131200, 2104560, 2077920, 2051280, 2024640, 1998000, 1971360, 1944720, 1918080, 1891440, 1864800, 1838160, 1811520, 1784880, 1758240, 1731600,
1704960, 1678320, 1651680, 1625040, 1598400, 1571760, 1545120, 1518480, 1491840, 1465200, 1438560, 1411920, 1385280, 1358640, 1332000, 1305360,
1278720, 1252080, 1225440, 1198800, 1172160, 1145520, 1118880, 1092240, 1065600, 1038960, 1012320, 985680, 959040, 932400, 905760, 879120,
852480, 825840, 799200, 772560, 745920, 719280, 692640, 666000, 639360, 612720, 586080, 559440, 532800, 506160, 479520, 452880,
426240, 399600, 372960, 346320, 319680, 293040, 266400, 239760, 213120, 186480, 159840, 133200, 106560, 79920, 53280, 26640,
0, -26640, -53280, -79920, -106560, -133200, -159840, -186480, -213120, -239760, -266400, -293040, -319680, -346320, -372960, -399600,
-426240, -452880, -479520, -506160, -532800, -559440, -586080, -612720, -639360, -666000, -692640, -719280, -745920, -772560, -799200, -825840,
-852480, -879120, -905760, -932400, -959040, -985680, -1012320, -1038960, -1065600, -1092240, -1118880, -1145520, -1172160, -1198800, -1225440, -1252080,
-1278720, -1305360, -1332000, -1358640, -1385280, -1411920, -1438560, -1465200, -1491840, -1518480, -1545120, -1571760, -1598400, -1625040, -1651680, -1678320,
-1704960, -1731600, -1758240, -1784880, -1811520, -1838160, -1864800, -1891440, -1918080, -1944720, -1971360, -1998000, -2024640, -2051280, -2077920, -2104560,
-2131200, -2157840, -2184480, -2211120, -2237760, -2264400, -2291040, -2317680, -2344320, -2370960, -2397600, -2424240, -2450880, -2477520, -2504160, -2530800,
-2557440, -2584080, -2610720, -2637360, -2664000, -2690640, -2717280, -2743920, -2770560, -2797200, -2823840, -2850480, -2877120, -2903760, -2930400, -2957040,
-2983680, -3010320, -3036960, -3063600, -3090240, -3116880, -3143520, -3170160, -3196800, -3223440, -3250080, -3276720, -3303360, -3330000, -3356640, -3383280,
};
static const int COEFFS_BU[256] = {
-8464128, -8398002, -8331876, -8265750, -8199624, -8133498, -8067372, -8001246, -7935120, -7868994, -7802868, -7736742, -7670616, -7604490, -7538364, -7472238,
-7406112, -7339986, -7273860, -7207734, -7141608, -7075482, -7009356, -6943230, -6877104, -6810978, -6744852, -6678726, -6612600, -6546474, -6480348, -6414222,
-6348096, -6281970, -6215844, -6149718, -6083592, -6017466, -5951340, -5885214, -5819088, -5752962, -5686836, -5620710, -5554584, -5488458, -5422332, -5356206,
-5290080, -5223954, -5157828, -5091702, -5025576, -4959450, -4893324, -4827198, -4761072, -4694946, -4628820, -4562694, -4496568, -4430442, -4364316, -4298190,
-4232064, -4165938, -4099812, -4033686, -3967560, -3901434, -3835308, -3769182, -3703056, -3636930, -3570804, -3504678, -3438552, -3372426, -3306300, -3240174,
-3174048, -3107922, -3041796, -2975670, -2909544, -2843418, -2777292, -2711166, -2645040, -2578914, -2512788, -2446662, -2380536, -2314410, -2248284, -2182158,
-2116032, -2049906, -1983780, -1917654, -1851528, -1785402, -1719276, -1653150, -1587024, -1520898, -1454772, -1388646, -1322520, -1256394, -1190268, -1124142,
-1058016, -991890, -925764, -859638, -793512, -727386, -661260, -595134, -529008, -462882, -396756, -330630, -264504, -198378, -132252, -66126,
0, 66126, 132252, 198378, 264504, 330630, 396756, 462882, 529008, 595134, 661260, 727386, 793512, 859638, 925764, 991890,
1058016, 1124142, 1190268, 1256394, 1322520, 1388646, 1454772, 1520898, 1587024, 1653150, 1719276, 1785402, 1851528, 1917654, 1983780, 2049906,
2116032, 2182158, 2248284, 2314410, 2380536, 2446662, 2512788, 2578914, 2645040, 2711166, 2777292, 2843418, 2909544, 2975670, 3041796, 3107922,
3174048, 3240174, 3306300, 3372426, 3438552, 3504678, 3570804, 3636930, 3703056, 3769182, 3835308, 3901434, 3967560, 4033686, 4099812, 4165938,
4232064, 4298190, 4364316, 4430442, 4496568, 4562694, 4628820, 4694946, 4761072, 4827198, 4893324, 4959450, 5025576, 5091702, 5157828, 5223954,
5290080, 5356206, 5422332, 5488458, 5554584, 5620710, 5686836, 5752962, 5819088, 5885214, 5951340, 6017466, 6083592, 6149718, 6215844, 6281970,
6348096, 6414222, 6480348, 6546474, 6612600, 6678726, 6744852, 6810978, 6877104, 6943230, 7009356, 7075482, 7141608, 7207734, 7273860, 7339986,
7406112, 7472238, 7538364, 7604490, 7670616, 7736742, 7802868, 7868994, 7935120, 8001246, 8067372, 8133498, 8199624, 8265750, 8331876, 8398002,
};
static const int CLAMP_TAB[1024] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
};
void YUVtoBGRA::translate(th_ycbcr_buffer &YUVBuffer, const th_info &theoraInfo, byte *pixelData, int pixelsSize) {
// Width and height of all buffers have to be divisible by 2.
BS_ASSERT((YUVBuffer[0].width & 1) == 0);
BS_ASSERT((YUVBuffer[0].height & 1) == 0);
BS_ASSERT((YUVBuffer[1].width & 1) == 0);
BS_ASSERT((YUVBuffer[2].width & 1) == 0);
// UV images have to have a quarter of the Y image resolution
BS_ASSERT(YUVBuffer[1].width == YUVBuffer[0].width >> 1);
BS_ASSERT(YUVBuffer[2].width == YUVBuffer[0].width >> 1);
BS_ASSERT(YUVBuffer[1].height == YUVBuffer[0].height >> 1);
BS_ASSERT(YUVBuffer[2].height == YUVBuffer[0].height >> 1);
const int *cl = &CLAMP_TAB[320];
const byte *ySrc0 = YUVBuffer[0].data;
const byte *ySrc1 = YUVBuffer[0].data + YUVBuffer[0].stride;
const byte *uSrc = YUVBuffer[1].data;
const byte *vSrc = YUVBuffer[2].data;
byte *dst0 = &pixelData[0];
byte *dst1 = &pixelData[0] + YUVBuffer[0].width * 4;
for (int h = 0; h < YUVBuffer[0].height / 2; ++h) {
for (int w = 0; w < YUVBuffer[0].width / 2; ++w) {
int u = *uSrc++;
int v = *vSrc++;
int rUV = COEFFS_RV[v];
int gUV = COEFFS_GU[u] + COEFFS_GV[v];
int bUV = COEFFS_BU[u];
int y = *ySrc0++;
int r = COEFFS_Y[y] + rUV;
int g = COEFFS_Y[y] + gUV;
int b = COEFFS_Y[y] + bUV;
*dst0++ = cl[b / PRECISION];
*dst0++ = cl[g / PRECISION];
*dst0++ = cl[r / PRECISION];
*dst0++ = 255;
y = *ySrc1++;
r = COEFFS_Y[y] + rUV;
g = COEFFS_Y[y] + gUV;
b = COEFFS_Y[y] + bUV;
*dst1++ = cl[b / PRECISION];
*dst1++ = cl[g / PRECISION];
*dst1++ = cl[r / PRECISION];
*dst1++ = 255;
y = *ySrc0++;
r = COEFFS_Y[y] + rUV;
g = COEFFS_Y[y] + gUV;
b = COEFFS_Y[y] + bUV;
*dst0++ = cl[b / PRECISION];
*dst0++ = cl[g / PRECISION];
*dst0++ = cl[r / PRECISION];
*dst0++ = 255;
y = *ySrc1++;
r = COEFFS_Y[y] + rUV;
g = COEFFS_Y[y] + gUV;
b = COEFFS_Y[y] + bUV;
*dst1++ = cl[b / PRECISION];
*dst1++ = cl[g / PRECISION];
*dst1++ = cl[r / PRECISION];
*dst1++ = 255;
}
dst0 += YUVBuffer[0].width * 4;
dst1 += YUVBuffer[0].width * 4;
ySrc0 += YUVBuffer[0].stride * 2 - YUVBuffer[0].width;
ySrc1 += YUVBuffer[0].stride * 2 - YUVBuffer[0].width;
uSrc += YUVBuffer[1].stride - YUVBuffer[1].width;
vSrc += YUVBuffer[2].stride - YUVBuffer[2].width;
}
}
} // End of namespace Sword25
#endif
|
