1 /*---------------------------------------------------------------------------*
2 Project: NintendoWare
3 File: snd_Util.cpp
4
5 Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain
8 proprietary information of Nintendo of America Inc. and/or Nintendo
9 Company Ltd., and are protected by Federal copyright law. They may
10 not be disclosed to third parties or copied or duplicated in any form,
11 in whole or in part, without the prior written consent of Nintendo.
12
13 $Revision: 28239 $
14 *---------------------------------------------------------------------------*/
15
16 #include "precompiled.h"
17 #include <nw/snd/snd_Util.h>
18
19 #include <nw/ut/ut_Inlines.h>
20 #include <nw/snd/snd_SoundArchive.h>
21 #include <nw/snd/snd_SoundArchivePlayer.h>
22 #include <nw/snd/snd_WaveArchiveFileReader.h>
23 #include <nw/snd/snd_SoundArchiveLoader.h>
24 #include <nw/snd/snd_PlayerHeapDataManager.h>
25
26 namespace nw {
27 namespace snd {
28 namespace internal {
29
30 namespace {
31
32 const int OCTAVE_DIVISION = 12;
33 const int VOLUME_TABLE_SIZE = Util::VOLUME_DB_MAX - Util::VOLUME_DB_MIN + 1;
34
35 #if 0
36 const f32 PAN_CURVE_MIN = 0.71f;
37 f32 s_PanCurveMax = 1.0f; // PAN_CURVE_MIN;
38 #endif
39
40 const f32 SURROUND_MODE_PAN_CURVE_MAX = 0.8f;
41
42 // ピッチスケールテーブル ( 半音単位 )
43 const f32 NoteTable[ OCTAVE_DIVISION ] =
44 {
45 1.00000000000000f,
46 1.05946309435930f,
47 1.12246204830937f,
48 1.18920711500272f,
49 1.25992104989487f,
50 1.33483985417003f,
51 1.41421356237310f,
52 1.49830707687668f,
53 1.58740105196820f,
54 1.68179283050743f,
55 1.78179743628068f,
56 1.88774862536339f
57 };
58 // ピッチスケールテーブル ( 半音の 1/256 単位 )
59
60 const f32 PitchTable[ Util::PITCH_DIVISION_RANGE ] =
61 {
62 1.00000000000000f, 1.00022565930507f, 1.00045136953226f, 1.00067713069307f,
63 1.00090294279898f, 1.00112880586149f, 1.00135471989211f, 1.00158068490233f,
64 1.00180670090365f, 1.00203276790759f, 1.00225888592566f, 1.00248505496936f,
65 1.00271127505020f, 1.00293754617972f, 1.00316386836942f, 1.00339024163082f,
66 1.00361666597546f, 1.00384314141486f, 1.00406966796055f, 1.00429624562407f,
67 1.00452287441694f, 1.00474955435071f, 1.00497628543691f, 1.00520306768709f,
68 1.00542990111280f, 1.00565678572558f, 1.00588372153699f, 1.00611070855857f,
69 1.00633774680189f, 1.00656483627850f, 1.00679197699996f, 1.00701916897784f,
70 1.00724641222370f, 1.00747370674912f, 1.00770105256566f, 1.00792844968490f,
71 1.00815589811842f, 1.00838339787779f, 1.00861094897460f, 1.00883855142043f,
72 1.00906620522687f, 1.00929391040551f, 1.00952166696794f, 1.00974947492577f,
73 1.00997733429057f, 1.01020524507396f, 1.01043320728755f, 1.01066122094292f,
74 1.01088928605170f, 1.01111740262549f, 1.01134557067591f, 1.01157379021458f,
75 1.01180206125310f, 1.01203038380312f, 1.01225875787623f, 1.01248718348409f,
76 1.01271566063830f, 1.01294418935052f, 1.01317276963236f, 1.01340140149547f,
77 1.01363008495149f, 1.01385882001206f, 1.01408760668882f, 1.01431644499343f,
78 1.01454533493752f, 1.01477427653277f, 1.01500326979081f, 1.01523231472332f,
79 1.01546141134194f, 1.01569055965835f, 1.01591975968421f, 1.01614901143119f,
80 1.01637831491095f, 1.01660767013518f, 1.01683707711556f, 1.01706653586375f,
81 1.01729604639144f, 1.01752560871032f, 1.01775522283207f, 1.01798488876839f,
82 1.01821460653096f, 1.01844437613148f, 1.01867419758165f, 1.01890407089317f,
83 1.01913399607774f, 1.01936397314707f, 1.01959400211286f, 1.01982408298683f,
84 1.02005421578069f, 1.02028440050616f, 1.02051463717495f, 1.02074492579879f,
85 1.02097526638940f, 1.02120565895850f, 1.02143610351784f, 1.02166660007913f,
86 1.02189714865412f, 1.02212774925453f, 1.02235840189212f, 1.02258910657863f,
87 1.02281986332579f, 1.02305067214536f, 1.02328153304909f, 1.02351244604873f,
88 1.02374341115603f, 1.02397442838276f, 1.02420549774068f, 1.02443661924155f,
89 1.02466779289714f, 1.02489901871921f, 1.02513029671954f, 1.02536162690990f,
90 1.02559300930208f, 1.02582444390784f, 1.02605593073898f, 1.02628746980727f,
91 1.02651906112451f, 1.02675070470248f, 1.02698240055299f, 1.02721414868781f,
92 1.02744594911876f, 1.02767780185764f, 1.02790970691624f, 1.02814166430638f,
93 1.02837367403986f, 1.02860573612850f, 1.02883785058410f, 1.02907001741849f,
94 1.02930223664349f, 1.02953450827092f, 1.02976683231260f, 1.02999920878037f,
95 1.03023163768604f, 1.03046411904146f, 1.03069665285846f, 1.03092923914889f,
96 1.03116187792457f, 1.03139456919736f, 1.03162731297909f, 1.03186010928163f,
97 1.03209295811682f, 1.03232585949652f, 1.03255881343258f, 1.03279181993686f,
98 1.03302487902123f, 1.03325799069755f, 1.03349115497769f, 1.03372437187351f,
99 1.03395764139691f, 1.03419096355973f, 1.03442433837388f, 1.03465776585123f,
100 1.03489124600365f, 1.03512477884305f, 1.03535836438130f, 1.03559200263031f,
101 1.03582569360196f, 1.03605943730815f, 1.03629323376078f, 1.03652708297176f,
102 1.03676098495299f, 1.03699493971638f, 1.03722894727384f, 1.03746300763728f,
103 1.03769712081862f, 1.03793128682977f, 1.03816550568267f, 1.03839977738923f,
104 1.03863410196138f, 1.03886847941105f, 1.03910290975017f, 1.03933739299068f,
105 1.03957192914452f, 1.03980651822362f, 1.04004116023993f, 1.04027585520539f,
106 1.04051060313196f, 1.04074540403158f, 1.04098025791621f, 1.04121516479780f,
107 1.04145012468832f, 1.04168513759972f, 1.04192020354397f, 1.04215532253304f,
108 1.04239049457890f, 1.04262571969352f, 1.04286099788887f, 1.04309632917694f,
109 1.04333171356970f, 1.04356715107914f, 1.04380264171725f, 1.04403818549601f,
110 1.04427378242741f, 1.04450943252346f, 1.04474513579614f, 1.04498089225746f,
111 1.04521670191942f, 1.04545256479402f, 1.04568848089328f, 1.04592445022919f,
112 1.04616047281379f, 1.04639654865907f, 1.04663267777707f, 1.04686886017980f,
113 1.04710509587929f, 1.04734138488756f, 1.04757772721665f, 1.04781412287858f,
114 1.04805057188539f, 1.04828707424912f, 1.04852362998181f, 1.04876023909550f,
115 1.04899690160224f, 1.04923361751407f, 1.04947038684306f, 1.04970720960124f,
116 1.04994408580069f, 1.05018101545345f, 1.05041799857160f, 1.05065503516719f,
117 1.05089212525229f, 1.05112926883898f, 1.05136646593932f, 1.05160371656540f,
118 1.05184102072929f, 1.05207837844307f, 1.05231578971883f, 1.05255325456865f,
119 1.05279077300463f, 1.05302834503885f, 1.05326597068341f, 1.05350364995040f,
120 1.05374138285194f, 1.05397916940012f, 1.05421700960704f, 1.05445490348482f,
121 1.05469285104557f, 1.05493085230140f, 1.05516890726443f, 1.05540701594677f,
122 1.05564517836056f, 1.05588339451791f, 1.05612166443095f, 1.05635998811181f,
123 1.05659836557263f, 1.05683679682555f, 1.05707528188269f, 1.05731382075621f,
124 1.05755241345824f, 1.05779106000093f, 1.05802976039644f, 1.05826851465692f,
125 1.05850732279451f, 1.05874618482139f, 1.05898510074970f, 1.05922407059161f
126 };
127
128 const f32 Decibel2RatioTable[ VOLUME_TABLE_SIZE ] =
129 {
130 0.000000000f, 3.05492E-05f, 3.09030E-05f, 3.12608E-05f, // -90.4dB = -infinity
131 3.16228E-05f, 3.19890E-05f, 3.23594E-05f, 3.27341E-05f, 3.31131E-05f, // -90.0dB
132 3.34965E-05f, 3.38844E-05f, 3.42768E-05f, 3.46737E-05f, 3.50752E-05f,
133 3.54813E-05f, 3.58922E-05f, 3.63078E-05f, 3.67282E-05f, 3.71535E-05f,
134 3.75837E-05f, 3.80189E-05f, 3.84592E-05f, 3.89045E-05f, 3.93550E-05f,
135 3.98107E-05f, 4.02717E-05f, 4.07380E-05f, 4.12098E-05f, 4.16869E-05f,
136 4.21697E-05f, 4.26580E-05f, 4.31519E-05f, 4.36516E-05f, 4.41570E-05f,
137 4.46684E-05f, 4.51856E-05f, 4.57088E-05f, 4.62381E-05f, 4.67735E-05f,
138 4.73151E-05f, 4.78630E-05f, 4.84172E-05f, 4.89779E-05f, 4.95450E-05f,
139 5.01187E-05f, 5.06991E-05f, 5.12861E-05f, 5.18800E-05f, 5.24807E-05f,
140 5.30884E-05f, 5.37032E-05f, 5.43250E-05f, 5.49541E-05f, 5.55904E-05f,
141 5.62341E-05f, 5.68853E-05f, 5.75440E-05f, 5.82103E-05f, 5.88844E-05f,
142 5.95662E-05f, 6.02560E-05f, 6.09537E-05f, 6.16595E-05f, 6.23735E-05f,
143 6.30957E-05f, 6.38263E-05f, 6.45654E-05f, 6.53131E-05f, 6.60693E-05f, // -84.0dB
144 6.68344E-05f, 6.76083E-05f, 6.83912E-05f, 6.91831E-05f, 6.99842E-05f,
145 7.07946E-05f, 7.16143E-05f, 7.24436E-05f, 7.32825E-05f, 7.41310E-05f,
146 7.49894E-05f, 7.58578E-05f, 7.67361E-05f, 7.76247E-05f, 7.85236E-05f,
147 7.94328E-05f, 8.03526E-05f, 8.12831E-05f, 8.22243E-05f, 8.31764E-05f,
148 8.41395E-05f, 8.51138E-05f, 8.60994E-05f, 8.70964E-05f, 8.81049E-05f,
149 8.91251E-05f, 9.01571E-05f, 9.12011E-05f, 9.22571E-05f, 9.33254E-05f,
150 9.44061E-05f, 9.54993E-05f, 9.66051E-05f, 9.77237E-05f, 9.88553E-05f,
151 0.000100000f, 0.000101158f, 0.000102329f, 0.000103514f, 0.000104713f, // -80.0dB
152 0.000105925f, 0.000107152f, 0.000108393f, 0.000109648f, 0.000110917f,
153 0.000112202f, 0.000113501f, 0.000114815f, 0.000116145f, 0.000117490f,
154 0.000118850f, 0.000120226f, 0.000121619f, 0.000123027f, 0.000124451f,
155 0.000125893f, 0.000127350f, 0.000128825f, 0.000130317f, 0.000131826f, // -78.0dB
156 0.000133352f, 0.000134896f, 0.000136458f, 0.000138038f, 0.000139637f,
157 0.000141254f, 0.000142889f, 0.000144544f, 0.000146218f, 0.000147911f,
158 0.000149624f, 0.000151356f, 0.000153109f, 0.000154882f, 0.000156675f,
159 0.000158489f, 0.000160325f, 0.000162181f, 0.000164059f, 0.000165959f,
160 0.000167880f, 0.000169824f, 0.000171791f, 0.000173780f, 0.000175792f,
161 0.000177828f, 0.000179887f, 0.000181970f, 0.000184077f, 0.000186209f,
162 0.000188365f, 0.000190546f, 0.000192752f, 0.000194984f, 0.000197242f,
163 0.000199526f, 0.000201837f, 0.000204174f, 0.000206538f, 0.000208930f,
164 0.000211349f, 0.000213796f, 0.000216272f, 0.000218776f, 0.000221309f,
165 0.000223872f, 0.000226464f, 0.000229087f, 0.000231739f, 0.000234423f,
166 0.000237137f, 0.000239883f, 0.000242661f, 0.000245471f, 0.000248313f,
167 0.000251189f, 0.000254097f, 0.000257040f, 0.000260016f, 0.000263027f, // -72.0dB
168 0.000266073f, 0.000269153f, 0.000272270f, 0.000275423f, 0.000278612f,
169 0.000281838f, 0.000285102f, 0.000288403f, 0.000291743f, 0.000295121f,
170 0.000298538f, 0.000301995f, 0.000305492f, 0.000309030f, 0.000312608f,
171 0.000316228f, 0.000319890f, 0.000323594f, 0.000327341f, 0.000331131f,
172 0.000334965f, 0.000338844f, 0.000342768f, 0.000346737f, 0.000350752f,
173 0.000354813f, 0.000358922f, 0.000363078f, 0.000367282f, 0.000371535f,
174 0.000375837f, 0.000380189f, 0.000384592f, 0.000389045f, 0.000393550f,
175 0.000398107f, 0.000402717f, 0.000407380f, 0.000412098f, 0.000416869f,
176 0.000421697f, 0.000426580f, 0.000431519f, 0.000436516f, 0.000441570f,
177 0.000446684f, 0.000451856f, 0.000457088f, 0.000462381f, 0.000467735f,
178 0.000473151f, 0.000478630f, 0.000484172f, 0.000489779f, 0.000495450f,
179 0.000501187f, 0.000506991f, 0.000512861f, 0.000518800f, 0.000524807f, // -66.0dB
180 0.000530884f, 0.000537032f, 0.000543250f, 0.000549541f, 0.000555904f,
181 0.000562341f, 0.000568853f, 0.000575440f, 0.000582103f, 0.000588844f,
182 0.000595662f, 0.000602560f, 0.000609537f, 0.000616595f, 0.000623735f,
183 0.000630957f, 0.000638263f, 0.000645654f, 0.000653131f, 0.000660693f,
184 0.000668344f, 0.000676083f, 0.000683912f, 0.000691831f, 0.000699842f,
185 0.000707946f, 0.000716143f, 0.000724436f, 0.000732825f, 0.000741310f,
186 0.000749894f, 0.000758578f, 0.000767361f, 0.000776247f, 0.000785236f,
187 0.000794328f, 0.000803526f, 0.000812831f, 0.000822243f, 0.000831764f,
188 0.000841395f, 0.000851138f, 0.000860994f, 0.000870964f, 0.000881049f,
189 0.000891251f, 0.000901571f, 0.000912011f, 0.000922571f, 0.000933254f,
190 0.000944061f, 0.000954993f, 0.000966051f, 0.000977237f, 0.000988553f,
191 0.001000000f, 0.001011579f, 0.001023293f, 0.001035142f, 0.001047129f, // -60.0dB ( 1/1000 )
192 0.001059254f, 0.001071519f, 0.001083927f, 0.001096478f, 0.001109175f,
193 0.001122018f, 0.001135011f, 0.001148154f, 0.001161449f, 0.001174898f,
194 0.001188502f, 0.001202264f, 0.001216186f, 0.001230269f, 0.001244515f,
195 0.001258925f, 0.001273503f, 0.001288250f, 0.001303167f, 0.001318257f,
196 0.001333521f, 0.001348963f, 0.001364583f, 0.001380384f, 0.001396368f,
197 0.001412538f, 0.001428894f, 0.001445440f, 0.001462177f, 0.001479108f,
198 0.001496236f, 0.001513561f, 0.001531087f, 0.001548817f, 0.001566751f,
199 0.001584893f, 0.001603245f, 0.001621810f, 0.001640590f, 0.001659587f,
200 0.001678804f, 0.001698244f, 0.001717908f, 0.001737801f, 0.001757924f,
201 0.001778279f, 0.001798871f, 0.001819701f, 0.001840772f, 0.001862087f,
202 0.001883649f, 0.001905461f, 0.001927525f, 0.001949845f, 0.001972423f,
203 0.001995262f, 0.002018366f, 0.002041738f, 0.002065380f, 0.002089296f, // -54.0dB
204 0.002113489f, 0.002137962f, 0.002162719f, 0.002187762f, 0.002213095f,
205 0.002238721f, 0.002264644f, 0.002290868f, 0.002317395f, 0.002344229f,
206 0.002371374f, 0.002398833f, 0.002426610f, 0.002454709f, 0.002483133f,
207 0.002511886f, 0.002540973f, 0.002570396f, 0.002600160f, 0.002630268f,
208 0.002660725f, 0.002691535f, 0.002722701f, 0.002754229f, 0.002786121f,
209 0.002818383f, 0.002851018f, 0.002884032f, 0.002917427f, 0.002951209f,
210 0.002985383f, 0.003019952f, 0.003054921f, 0.003090295f, 0.003126079f,
211 0.003162278f, 0.003198895f, 0.003235937f, 0.003273407f, 0.003311311f,
212 0.003349654f, 0.003388442f, 0.003427678f, 0.003467369f, 0.003507519f,
213 0.003548134f, 0.003589219f, 0.003630781f, 0.003672823f, 0.003715352f,
214 0.003758374f, 0.003801894f, 0.003845918f, 0.003890451f, 0.003935501f,
215 0.003981072f, 0.004027170f, 0.004073803f, 0.004120975f, 0.004168694f, // -48.0dB
216 0.004216965f, 0.004265795f, 0.004315191f, 0.004365158f, 0.004415704f,
217 0.004466836f, 0.004518559f, 0.004570882f, 0.004623810f, 0.004677351f,
218 0.004731513f, 0.004786301f, 0.004841724f, 0.004897788f, 0.004954502f,
219 0.005011872f, 0.005069907f, 0.005128614f, 0.005188000f, 0.005248075f,
220 0.005308844f, 0.005370318f, 0.005432503f, 0.005495409f, 0.005559043f,
221 0.005623413f, 0.005688529f, 0.005754399f, 0.005821032f, 0.005888437f,
222 0.005956621f, 0.006025596f, 0.006095369f, 0.006165950f, 0.006237348f,
223 0.006309573f, 0.006382635f, 0.006456542f, 0.006531306f, 0.006606934f,
224 0.006683439f, 0.006760830f, 0.006839116f, 0.006918310f, 0.006998420f,
225 0.007079458f, 0.007161434f, 0.007244360f, 0.007328245f, 0.007413102f,
226 0.007498942f, 0.007585776f, 0.007673615f, 0.007762471f, 0.007852356f,
227 0.007943282f, 0.008035261f, 0.008128305f, 0.008222426f, 0.008317638f, // -42.0dB
228 0.008413951f, 0.008511380f, 0.008609938f, 0.008709636f, 0.008810489f,
229 0.008912509f, 0.009015711f, 0.009120108f, 0.009225714f, 0.009332543f,
230 0.009440609f, 0.009549926f, 0.009660509f, 0.009772372f, 0.009885531f,
231 0.010000000f, 0.010115795f, 0.010232930f, 0.010351422f, 0.010471285f, // -40.0dB ( 1/100 )
232 0.010592537f, 0.010715193f, 0.010839269f, 0.010964782f, 0.011091748f,
233 0.011220185f, 0.011350108f, 0.011481536f, 0.011614486f, 0.011748976f,
234 0.011885022f, 0.012022644f, 0.012161860f, 0.012302688f, 0.012445146f,
235 0.012589254f, 0.012735031f, 0.012882496f, 0.013031668f, 0.013182567f,
236 0.013335214f, 0.013489629f, 0.013645831f, 0.013803843f, 0.013963684f,
237 0.014125375f, 0.014288940f, 0.014454398f, 0.014621772f, 0.014791084f,
238 0.014962357f, 0.015135612f, 0.015310875f, 0.015488166f, 0.015667511f,
239 0.015848932f, 0.016032454f, 0.016218101f, 0.016405898f, 0.016595869f, // -36.0dB
240 0.016788040f, 0.016982437f, 0.017179084f, 0.017378008f, 0.017579236f,
241 0.017782794f, 0.017988709f, 0.018197009f, 0.018407720f, 0.018620871f,
242 0.018836491f, 0.019054607f, 0.019275249f, 0.019498446f, 0.019724227f,
243 0.019952623f, 0.020183664f, 0.020417379f, 0.020653802f, 0.020892961f,
244 0.021134890f, 0.021379621f, 0.021627185f, 0.021877616f, 0.022130947f,
245 0.022387211f, 0.022646443f, 0.022908677f, 0.023173946f, 0.023442288f,
246 0.023713737f, 0.023988329f, 0.024266101f, 0.024547089f, 0.024831331f,
247 0.025118864f, 0.025409727f, 0.025703958f, 0.026001596f, 0.026302680f,
248 0.026607251f, 0.026915348f, 0.027227013f, 0.027542287f, 0.027861212f,
249 0.028183829f, 0.028510183f, 0.028840315f, 0.029174270f, 0.029512092f,
250 0.029853826f, 0.030199517f, 0.030549211f, 0.030902954f, 0.031260794f,
251 0.031622777f, 0.031988951f, 0.032359366f, 0.032734069f, 0.033113112f, // -30.0dB
252 0.033496544f, 0.033884416f, 0.034276779f, 0.034673685f, 0.035075187f,
253 0.035481339f, 0.035892193f, 0.036307805f, 0.036728230f, 0.037153523f,
254 0.037583740f, 0.038018940f, 0.038459178f, 0.038904514f, 0.039355008f,
255 0.039810717f, 0.040271703f, 0.040738028f, 0.041209752f, 0.041686938f,
256 0.042169650f, 0.042657952f, 0.043151908f, 0.043651583f, 0.044157045f,
257 0.044668359f, 0.045185594f, 0.045708819f, 0.046238102f, 0.046773514f,
258 0.047315126f, 0.047863009f, 0.048417237f, 0.048977882f, 0.049545019f,
259 0.050118723f, 0.050699071f, 0.051286138f, 0.051880004f, 0.052480746f,
260 0.053088444f, 0.053703180f, 0.054325033f, 0.054954087f, 0.055590426f,
261 0.056234133f, 0.056885293f, 0.057543994f, 0.058210322f, 0.058884366f,
262 0.059566214f, 0.060255959f, 0.060953690f, 0.061659500f, 0.062373484f,
263 0.063095734f, 0.063826349f, 0.064565423f, 0.065313055f, 0.066069345f, // -24.0dB
264 0.066834392f, 0.067608298f, 0.068391165f, 0.069183097f, 0.069984200f,
265 0.070794578f, 0.071614341f, 0.072443596f, 0.073282453f, 0.074131024f,
266 0.074989421f, 0.075857758f, 0.076736149f, 0.077624712f, 0.078523563f,
267 0.079432823f, 0.080352612f, 0.081283052f, 0.082224265f, 0.083176377f,
268 0.084139514f, 0.085113804f, 0.086099375f, 0.087096359f, 0.088104887f,
269 0.089125094f, 0.090157114f, 0.091201084f, 0.092257143f, 0.093325430f,
270 0.094406088f, 0.095499259f, 0.096605088f, 0.097723722f, 0.098855309f,
271 0.100000000f, 0.101157945f, 0.102329299f, 0.103514217f, 0.104712855f, // -20.0dB ( 1/10 )
272 0.105925373f, 0.107151931f, 0.108392691f, 0.109647820f, 0.110917482f,
273 0.112201845f, 0.113501082f, 0.114815362f, 0.116144861f, 0.117489755f,
274 0.118850223f, 0.120226443f, 0.121618600f, 0.123026877f, 0.124451461f,
275 0.125892541f, 0.127350308f, 0.128824955f, 0.130316678f, 0.131825674f, // -18.0dB
276 0.133352143f, 0.134896288f, 0.136458314f, 0.138038426f, 0.139636836f,
277 0.141253754f, 0.142889396f, 0.144543977f, 0.146217717f, 0.147910839f,
278 0.149623566f, 0.151356125f, 0.153108746f, 0.154881662f, 0.156675107f,
279 0.158489319f, 0.160324539f, 0.162181010f, 0.164058977f, 0.165958691f,
280 0.167880402f, 0.169824365f, 0.171790839f, 0.173780083f, 0.175792361f,
281 0.177827941f, 0.179887092f, 0.181970086f, 0.184077200f, 0.186208714f,
282 0.188364909f, 0.190546072f, 0.192752491f, 0.194984460f, 0.197242274f,
283 0.199526231f, 0.201836636f, 0.204173794f, 0.206538016f, 0.208929613f,
284 0.211348904f, 0.213796209f, 0.216271852f, 0.218776162f, 0.221309471f,
285 0.223872114f, 0.226464431f, 0.229086765f, 0.231739465f, 0.234422882f,
286 0.237137371f, 0.239883292f, 0.242661010f, 0.245470892f, 0.248313311f,
287 0.251188643f, 0.254097271f, 0.257039578f, 0.260015956f, 0.263026799f, // -12.0dB ( 1/4 )
288 0.266072506f, 0.269153480f, 0.272270131f, 0.275422870f, 0.278612117f,
289 0.281838293f, 0.285101827f, 0.288403150f, 0.291742701f, 0.295120923f,
290 0.298538262f, 0.301995172f, 0.305492111f, 0.309029543f, 0.312607937f,
291 0.316227766f, 0.319889511f, 0.323593657f, 0.327340695f, 0.331131121f,
292 0.334965439f, 0.338844156f, 0.342767787f, 0.346736850f, 0.350751874f,
293 0.354813389f, 0.358921935f, 0.363078055f, 0.367282300f, 0.371535229f,
294 0.375837404f, 0.380189396f, 0.384591782f, 0.389045145f, 0.393550075f,
295 0.398107171f, 0.402717034f, 0.407380278f, 0.412097519f, 0.416869383f,
296 0.421696503f, 0.426579519f, 0.431519077f, 0.436515832f, 0.441570447f,
297 0.446683592f, 0.451855944f, 0.457088190f, 0.462381021f, 0.467735141f,
298 0.473151259f, 0.478630092f, 0.484172368f, 0.489778819f, 0.495450191f,
299 0.501187234f, 0.506990708f, 0.512861384f, 0.518800039f, 0.524807460f, // -6.0dB ( 1/2 )
300 0.530884444f, 0.537031796f, 0.543250331f, 0.549540874f, 0.555904257f,
301 0.562341325f, 0.568852931f, 0.575439937f, 0.582103218f, 0.588843655f,
302 0.595662144f, 0.602559586f, 0.609536897f, 0.616595002f, 0.623734835f,
303 0.630957344f, 0.638263486f, 0.645654229f, 0.653130553f, 0.660693448f,
304 0.668343918f, 0.676082975f, 0.683911647f, 0.691830971f, 0.699841996f,
305 0.707945784f, 0.716143410f, 0.724435960f, 0.732824533f, 0.741310241f,
306 0.749894209f, 0.758577575f, 0.767361489f, 0.776247117f, 0.785235635f,
307 0.794328235f, 0.803526122f, 0.812830516f, 0.822242650f, 0.831763771f, // -2.0dB
308 0.841395142f, 0.851138038f, 0.860993752f, 0.870963590f, 0.881048873f,
309 0.891250938f, 0.901571138f, 0.912010839f, 0.922571427f, 0.933254301f, // -1.0dB
310 0.944060876f, 0.954992586f, 0.966050879f, 0.977237221f, 0.988553095f,
311 1.000000000f, 1.011579454f, 1.023292992f, 1.035142167f, 1.047128548f, // 0.0dB
312 1.059253725f, 1.071519305f, 1.083926914f, 1.096478196f, 1.109174815f,
313 1.122018454f, 1.135010816f, 1.148153621f, 1.161448614f, 1.174897555f, // 1.0dB
314 1.188502227f, 1.202264435f, 1.216186001f, 1.230268771f, 1.244514612f,
315 1.258925412f, 1.273503081f, 1.288249552f, 1.303166778f, 1.318256739f, // 2.0dB
316 1.333521432f, 1.348962883f, 1.364583137f, 1.380384265f, 1.396368361f,
317 1.412537545f, 1.428893959f, 1.445439771f, 1.462177174f, 1.479108388f,
318 1.496235656f, 1.513561248f, 1.531087462f, 1.548816619f, 1.566751070f,
319 1.584893192f, 1.603245391f, 1.621810097f, 1.640589773f, 1.659586907f,
320 1.678804018f, 1.698243652f, 1.717908387f, 1.737800829f, 1.757923614f,
321 1.778279410f, 1.798870915f, 1.819700859f, 1.840772001f, 1.862087137f,
322 1.883649089f, 1.905460718f, 1.927524913f, 1.949844600f, 1.972422736f,
323 1.995262315f // 6.0dB ( *2 )
324 };
325
326 const int PAN_TABLE_MAX = 256;
327 const int PAN_TABLE_MIN = 0;
328 const int PAN_TABLE_CENTER = 128;
329 const int PAN_TABLE_SIZE = PAN_TABLE_MAX - PAN_TABLE_MIN + 1;
330
331 const f32 Pan2RatioTableSqrt[ PAN_TABLE_SIZE ] =
332 {
333 1.000000000f, 0.998044964f, 0.996086091f, 0.994123358f, 0.992156742f, 0.990186220f, 0.988211769f, 0.986233365f,
334 0.984250984f, 0.982264603f, 0.980274196f, 0.978279740f, 0.976281209f, 0.974278579f, 0.972271824f, 0.970260919f,
335 0.968245837f, 0.966226552f, 0.964203039f, 0.962175270f, 0.960143218f, 0.958106857f, 0.956066159f, 0.954021095f,
336 0.951971638f, 0.949917760f, 0.947859431f, 0.945796622f, 0.943729304f, 0.941657448f, 0.939581024f, 0.937500000f,
337 0.935414347f, 0.933324033f, 0.931229027f, 0.929129297f, 0.927024811f, 0.924915537f, 0.922801441f, 0.920682491f,
338 0.918558654f, 0.916429894f, 0.914296177f, 0.912157470f, 0.910013736f, 0.907864940f, 0.905711047f, 0.903552018f,
339 0.901387819f, 0.899218411f, 0.897043756f, 0.894863816f, 0.892678554f, 0.890487928f, 0.888291900f, 0.886090430f,
340 0.883883476f, 0.881670999f, 0.879452955f, 0.877229303f, 0.875000000f, 0.872765003f, 0.870524267f, 0.868277749f,
341 0.866025404f, 0.863767185f, 0.861503047f, 0.859232943f, 0.856956825f, 0.854674646f, 0.852386356f, 0.850091907f,
342 0.847791248f, 0.845484329f, 0.843171098f, 0.840851503f, 0.838525492f, 0.836193010f, 0.833854004f, 0.831508418f,
343 0.829156198f, 0.826797285f, 0.824431622f, 0.822059152f, 0.819679816f, 0.817293552f, 0.814900301f, 0.812500000f,
344 0.810092587f, 0.807677999f, 0.805256170f, 0.802827036f, 0.800390530f, 0.797946583f, 0.795495129f, 0.793036096f,
345 0.790569415f, 0.788095013f, 0.785612818f, 0.783122755f, 0.780624750f, 0.778118725f, 0.775604603f, 0.773082305f,
346 0.770551750f, 0.768012858f, 0.765465545f, 0.762909726f, 0.760345316f, 0.757772228f, 0.755190373f, 0.752599661f,
347 0.750000000f, 0.747391296f, 0.744773455f, 0.742146380f, 0.739509973f, 0.736864133f, 0.734208758f, 0.731543744f,
348 0.728868987f, 0.726184377f, 0.723489806f, 0.720785162f, 0.718070331f, 0.715345196f, 0.712609641f, 0.709863543f,
349 0.707106781f, 0.704339229f, 0.701560760f, 0.698771243f, 0.695970545f, 0.693158532f, 0.690335064f, 0.687500000f, // center(-3dB)
350 0.684653197f, 0.681794507f, 0.678923781f, 0.676040864f, 0.673145601f, 0.670237831f, 0.667317391f, 0.664384113f,
351 0.661437828f, 0.658478360f, 0.655505530f, 0.652519157f, 0.649519053f, 0.646505027f, 0.643476884f, 0.640434423f,
352 0.637377439f, 0.634305723f, 0.631219059f, 0.628117226f, 0.625000000f, 0.621867148f, 0.618718434f, 0.615553613f,
353 0.612372436f, 0.609174647f, 0.605959982f, 0.602728173f, 0.599478940f, 0.596212001f, 0.592927061f, 0.589623821f,
354 0.586301970f, 0.582961191f, 0.579601156f, 0.576221529f, 0.572821962f, 0.569402099f, 0.565961571f, 0.562500000f,
355 0.559016994f, 0.555512151f, 0.551985054f, 0.548435274f, 0.544862368f, 0.541265877f, 0.537645329f, 0.534000234f,
356 0.530330086f, 0.526634361f, 0.522912517f, 0.519163991f, 0.515388203f, 0.511584548f, 0.507752400f, 0.503891109f,
357 0.500000000f, 0.496078371f, 0.492125492f, 0.488140605f, 0.484122918f, 0.480071609f, 0.475985819f, 0.471864652f,
358 0.467707173f, 0.463512405f, 0.459279327f, 0.455006868f, 0.450693909f, 0.446339277f, 0.441941738f, 0.437500000f,
359 0.433012702f, 0.428478413f, 0.423895624f, 0.419262746f, 0.414578099f, 0.409839908f, 0.405046294f, 0.400195265f,
360 0.395284708f, 0.390312375f, 0.385275875f, 0.380172658f, 0.375000000f, 0.369754986f, 0.364434493f, 0.359035165f,
361 0.353553391f, 0.347985273f, 0.342326598f, 0.336572800f, 0.330718914f, 0.324759526f, 0.318688720f, 0.312500000f,
362 0.306186218f, 0.299739470f, 0.293150985f, 0.286410981f, 0.279508497f, 0.272431184f, 0.265165043f, 0.257694102f,
363 0.250000000f, 0.242061459f, 0.233853587f, 0.225346955f, 0.216506351f, 0.207289049f, 0.197642354f, 0.187500000f,
364 0.176776695f, 0.165359457f, 0.153093109f, 0.139754249f, 0.125000000f, 0.108253175f, 0.088388348f, 0.062500000f,
365 0.000000000f
366 };
367 const f32 Pan2RatioTableSqrtSurround[ PAN_TABLE_SIZE ] =
368 {
369 0.800000000f, 0.799274272f, 0.798548543f, 0.797822815f, 0.797097087f, 0.796371359f, 0.795645630f, 0.794919902f,
370 0.794194174f, 0.793468446f, 0.792742717f, 0.792016989f, 0.791291261f, 0.790565532f, 0.789839804f, 0.789114076f,
371 0.788388348f, 0.787662619f, 0.786936891f, 0.786211163f, 0.785485435f, 0.784759706f, 0.784033978f, 0.783308250f,
372 0.782582521f, 0.781856793f, 0.781131065f, 0.780405337f, 0.779679608f, 0.778953880f, 0.778228152f, 0.777502424f,
373 0.776776695f, 0.776050967f, 0.775325239f, 0.774599510f, 0.773873782f, 0.773148054f, 0.772422326f, 0.771696597f,
374 0.770970869f, 0.770245141f, 0.769519413f, 0.768793684f, 0.768067956f, 0.767342228f, 0.766616499f, 0.765890771f,
375 0.765165043f, 0.764439315f, 0.763713586f, 0.762987858f, 0.762262130f, 0.761536402f, 0.760810673f, 0.760084945f,
376 0.759359217f, 0.758633488f, 0.757907760f, 0.757182032f, 0.756456304f, 0.755730575f, 0.755004847f, 0.754279119f,
377 0.753553391f, 0.752827662f, 0.752101934f, 0.751376206f, 0.750650477f, 0.749924749f, 0.749199021f, 0.748473293f,
378 0.747747564f, 0.747021836f, 0.746296108f, 0.745570379f, 0.744844651f, 0.744118923f, 0.743393195f, 0.742667466f,
379 0.741941738f, 0.741216010f, 0.740490282f, 0.739764553f, 0.739038825f, 0.738313097f, 0.737587368f, 0.736861640f,
380 0.736135912f, 0.735410184f, 0.734684455f, 0.733958727f, 0.733232999f, 0.732507271f, 0.731781542f, 0.731055814f,
381 0.730330086f, 0.729604357f, 0.728878629f, 0.728152901f, 0.727427173f, 0.726701444f, 0.725975716f, 0.725249988f,
382 0.724524260f, 0.723798531f, 0.723072803f, 0.722347075f, 0.721621346f, 0.720895618f, 0.720169890f, 0.719444162f,
383 0.718718433f, 0.717992705f, 0.717266977f, 0.716541249f, 0.715815520f, 0.715089792f, 0.714364064f, 0.713638335f,
384 0.712912607f, 0.712186879f, 0.711461151f, 0.710735422f, 0.710009694f, 0.709283966f, 0.708558238f, 0.707832509f,
385 0.707106781f, 0.704339229f, 0.701560760f, 0.698771243f, 0.695970545f, 0.693158532f, 0.690335064f, 0.687500000f, // center(-3dB)
386 0.684653197f, 0.681794507f, 0.678923781f, 0.676040864f, 0.673145601f, 0.670237831f, 0.667317391f, 0.664384113f,
387 0.661437828f, 0.658478360f, 0.655505530f, 0.652519157f, 0.649519053f, 0.646505027f, 0.643476884f, 0.640434423f,
388 0.637377439f, 0.634305723f, 0.631219059f, 0.628117226f, 0.625000000f, 0.621867148f, 0.618718434f, 0.615553613f,
389 0.612372436f, 0.609174647f, 0.605959982f, 0.602728173f, 0.599478940f, 0.596212001f, 0.592927061f, 0.589623821f,
390 0.586301970f, 0.582961191f, 0.579601156f, 0.576221529f, 0.572821962f, 0.569402099f, 0.565961571f, 0.562500000f,
391 0.559016994f, 0.555512151f, 0.551985054f, 0.548435274f, 0.544862368f, 0.541265877f, 0.537645329f, 0.534000234f,
392 0.530330086f, 0.526634361f, 0.522912517f, 0.519163991f, 0.515388203f, 0.511584548f, 0.507752400f, 0.503891109f,
393 0.500000000f, 0.496078371f, 0.492125492f, 0.488140605f, 0.484122918f, 0.480071609f, 0.475985819f, 0.471864652f,
394 0.467707173f, 0.463512405f, 0.459279327f, 0.455006868f, 0.450693909f, 0.446339277f, 0.441941738f, 0.437500000f,
395 0.433012702f, 0.428478413f, 0.423895624f, 0.419262746f, 0.414578099f, 0.409839908f, 0.405046294f, 0.400195265f,
396 0.395284708f, 0.390312375f, 0.385275875f, 0.380172658f, 0.375000000f, 0.369754986f, 0.364434493f, 0.359035165f,
397 0.353553391f, 0.347985273f, 0.342326598f, 0.336572800f, 0.330718914f, 0.324759526f, 0.318688720f, 0.312500000f,
398 0.306186218f, 0.299739470f, 0.293150985f, 0.286410981f, 0.279508497f, 0.272431184f, 0.265165043f, 0.257694102f,
399 0.250000000f, 0.242061459f, 0.233853587f, 0.225346955f, 0.216506351f, 0.207289049f, 0.197642354f, 0.187500000f,
400 0.176776695f, 0.165359457f, 0.153093109f, 0.139754249f, 0.125000000f, 0.108253175f, 0.088388348f, 0.062500000f,
401 0.000000000f
402 };
403
404 const f32 Pan2RatioTableSinCos[ PAN_TABLE_SIZE ] =
405 {
406 1.000000000f, 0.999981175f, 0.999924702f, 0.999830582f, 0.999698819f, 0.999529418f, 0.999322385f, 0.999077728f,
407 0.998795456f, 0.998475581f, 0.998118113f, 0.997723067f, 0.997290457f, 0.996820299f, 0.996312612f, 0.995767414f,
408 0.995184727f, 0.994564571f, 0.993906970f, 0.993211949f, 0.992479535f, 0.991709754f, 0.990902635f, 0.990058210f,
409 0.989176510f, 0.988257568f, 0.987301418f, 0.986308097f, 0.985277642f, 0.984210092f, 0.983105487f, 0.981963869f,
410 0.980785280f, 0.979569766f, 0.978317371f, 0.977028143f, 0.975702130f, 0.974339383f, 0.972939952f, 0.971503891f,
411 0.970031253f, 0.968522094f, 0.966976471f, 0.965394442f, 0.963776066f, 0.962121404f, 0.960430519f, 0.958703475f,
412 0.956940336f, 0.955141168f, 0.953306040f, 0.951435021f, 0.949528181f, 0.947585591f, 0.945607325f, 0.943593458f,
413 0.941544065f, 0.939459224f, 0.937339012f, 0.935183510f, 0.932992799f, 0.930766961f, 0.928506080f, 0.926210242f,
414 0.923879533f, 0.921514039f, 0.919113852f, 0.916679060f, 0.914209756f, 0.911706032f, 0.909167983f, 0.906595705f,
415 0.903989293f, 0.901348847f, 0.898674466f, 0.895966250f, 0.893224301f, 0.890448723f, 0.887639620f, 0.884797098f,
416 0.881921264f, 0.879012226f, 0.876070094f, 0.873094978f, 0.870086991f, 0.867046246f, 0.863972856f, 0.860866939f,
417 0.857728610f, 0.854557988f, 0.851355193f, 0.848120345f, 0.844853565f, 0.841554977f, 0.838224706f, 0.834862875f,
418 0.831469612f, 0.828045045f, 0.824589303f, 0.821102515f, 0.817584813f, 0.814036330f, 0.810457198f, 0.806847554f,
419 0.803207531f, 0.799537269f, 0.795836905f, 0.792106577f, 0.788346428f, 0.784556597f, 0.780737229f, 0.776888466f,
420 0.773010453f, 0.769103338f, 0.765167266f, 0.761202385f, 0.757208847f, 0.753186799f, 0.749136395f, 0.745057785f,
421 0.740951125f, 0.736816569f, 0.732654272f, 0.728464390f, 0.724247083f, 0.720002508f, 0.715730825f, 0.711432196f,
422 0.707106781f, 0.702754744f, 0.698376249f, 0.693971461f, 0.689540545f, 0.685083668f, 0.680600998f, 0.676092704f, // center(-3dB)
423 0.671558955f, 0.666999922f, 0.662415778f, 0.657806693f, 0.653172843f, 0.648514401f, 0.643831543f, 0.639124445f,
424 0.634393284f, 0.629638239f, 0.624859488f, 0.620057212f, 0.615231591f, 0.610382806f, 0.605511041f, 0.600616479f,
425 0.595699304f, 0.590759702f, 0.585797857f, 0.580813958f, 0.575808191f, 0.570780746f, 0.565731811f, 0.560661576f,
426 0.555570233f, 0.550457973f, 0.545324988f, 0.540171473f, 0.534997620f, 0.529803625f, 0.524589683f, 0.519355990f,
427 0.514102744f, 0.508830143f, 0.503538384f, 0.498227667f, 0.492898192f, 0.487550160f, 0.482183772f, 0.476799230f,
428 0.471396737f, 0.465976496f, 0.460538711f, 0.455083587f, 0.449611330f, 0.444122145f, 0.438616239f, 0.433093819f,
429 0.427555093f, 0.422000271f, 0.416429560f, 0.410843171f, 0.405241314f, 0.399624200f, 0.393992040f, 0.388345047f,
430 0.382683432f, 0.377007410f, 0.371317194f, 0.365612998f, 0.359895037f, 0.354163525f, 0.348418680f, 0.342660717f,
431 0.336889853f, 0.331106306f, 0.325310292f, 0.319502031f, 0.313681740f, 0.307849640f, 0.302005949f, 0.296150888f,
432 0.290284677f, 0.284407537f, 0.278519689f, 0.272621355f, 0.266712757f, 0.260794118f, 0.254865660f, 0.248927606f,
433 0.242980180f, 0.237023606f, 0.231058108f, 0.225083911f, 0.219101240f, 0.213110320f, 0.207111376f, 0.201104635f,
434 0.195090322f, 0.189068664f, 0.183039888f, 0.177004220f, 0.170961889f, 0.164913120f, 0.158858143f, 0.152797185f,
435 0.146730474f, 0.140658239f, 0.134580709f, 0.128498111f, 0.122410675f, 0.116318631f, 0.110222207f, 0.104121634f,
436 0.098017140f, 0.091908956f, 0.085797312f, 0.079682438f, 0.073564564f, 0.067443920f, 0.061320736f, 0.055195244f,
437 0.049067674f, 0.042938257f, 0.036807223f, 0.030674803f, 0.024541229f, 0.018406730f, 0.012271538f, 0.006135885f,
438 0.000000000f
439 };
440 const f32 Pan2RatioTableSinCosSurround[ PAN_TABLE_SIZE ] =
441 {
442 0.800000000f, 0.799274272f, 0.798548543f, 0.797822815f, 0.797097087f, 0.796371359f, 0.795645630f, 0.794919902f,
443 0.794194174f, 0.793468446f, 0.792742717f, 0.792016989f, 0.791291261f, 0.790565532f, 0.789839804f, 0.789114076f,
444 0.788388348f, 0.787662619f, 0.786936891f, 0.786211163f, 0.785485435f, 0.784759706f, 0.784033978f, 0.783308250f,
445 0.782582521f, 0.781856793f, 0.781131065f, 0.780405337f, 0.779679608f, 0.778953880f, 0.778228152f, 0.777502424f,
446 0.776776695f, 0.776050967f, 0.775325239f, 0.774599510f, 0.773873782f, 0.773148054f, 0.772422326f, 0.771696597f,
447 0.770970869f, 0.770245141f, 0.769519413f, 0.768793684f, 0.768067956f, 0.767342228f, 0.766616499f, 0.765890771f,
448 0.765165043f, 0.764439315f, 0.763713586f, 0.762987858f, 0.762262130f, 0.761536402f, 0.760810673f, 0.760084945f,
449 0.759359217f, 0.758633488f, 0.757907760f, 0.757182032f, 0.756456304f, 0.755730575f, 0.755004847f, 0.754279119f,
450 0.753553391f, 0.752827662f, 0.752101934f, 0.751376206f, 0.750650477f, 0.749924749f, 0.749199021f, 0.748473293f,
451 0.747747564f, 0.747021836f, 0.746296108f, 0.745570379f, 0.744844651f, 0.744118923f, 0.743393195f, 0.742667466f,
452 0.741941738f, 0.741216010f, 0.740490282f, 0.739764553f, 0.739038825f, 0.738313097f, 0.737587368f, 0.736861640f,
453 0.736135912f, 0.735410184f, 0.734684455f, 0.733958727f, 0.733232999f, 0.732507271f, 0.731781542f, 0.731055814f,
454 0.730330086f, 0.729604357f, 0.728878629f, 0.728152901f, 0.727427173f, 0.726701444f, 0.725975716f, 0.725249988f,
455 0.724524260f, 0.723798531f, 0.723072803f, 0.722347075f, 0.721621346f, 0.720895618f, 0.720169890f, 0.719444162f,
456 0.718718433f, 0.717992705f, 0.717266977f, 0.716541249f, 0.715815520f, 0.715089792f, 0.714364064f, 0.713638335f,
457 0.712912607f, 0.712186879f, 0.711461151f, 0.710735422f, 0.710009694f, 0.709283966f, 0.708558238f, 0.707832509f,
458 0.707106781f, 0.702754744f, 0.698376249f, 0.693971461f, 0.689540545f, 0.685083668f, 0.680600998f, 0.676092704f, // center(-3dB)
459 0.671558955f, 0.666999922f, 0.662415778f, 0.657806693f, 0.653172843f, 0.648514401f, 0.643831543f, 0.639124445f,
460 0.634393284f, 0.629638239f, 0.624859488f, 0.620057212f, 0.615231591f, 0.610382806f, 0.605511041f, 0.600616479f,
461 0.595699304f, 0.590759702f, 0.585797857f, 0.580813958f, 0.575808191f, 0.570780746f, 0.565731811f, 0.560661576f,
462 0.555570233f, 0.550457973f, 0.545324988f, 0.540171473f, 0.534997620f, 0.529803625f, 0.524589683f, 0.519355990f,
463 0.514102744f, 0.508830143f, 0.503538384f, 0.498227667f, 0.492898192f, 0.487550160f, 0.482183772f, 0.476799230f,
464 0.471396737f, 0.465976496f, 0.460538711f, 0.455083587f, 0.449611330f, 0.444122145f, 0.438616239f, 0.433093819f,
465 0.427555093f, 0.422000271f, 0.416429560f, 0.410843171f, 0.405241314f, 0.399624200f, 0.393992040f, 0.388345047f,
466 0.382683432f, 0.377007410f, 0.371317194f, 0.365612998f, 0.359895037f, 0.354163525f, 0.348418680f, 0.342660717f,
467 0.336889853f, 0.331106306f, 0.325310292f, 0.319502031f, 0.313681740f, 0.307849640f, 0.302005949f, 0.296150888f,
468 0.290284677f, 0.284407537f, 0.278519689f, 0.272621355f, 0.266712757f, 0.260794118f, 0.254865660f, 0.248927606f,
469 0.242980180f, 0.237023606f, 0.231058108f, 0.225083911f, 0.219101240f, 0.213110320f, 0.207111376f, 0.201104635f,
470 0.195090322f, 0.189068664f, 0.183039888f, 0.177004220f, 0.170961889f, 0.164913120f, 0.158858143f, 0.152797185f,
471 0.146730474f, 0.140658239f, 0.134580709f, 0.128498111f, 0.122410675f, 0.116318631f, 0.110222207f, 0.104121634f,
472 0.098017140f, 0.091908956f, 0.085797312f, 0.079682438f, 0.073564564f, 0.067443920f, 0.061320736f, 0.055195244f,
473 0.049067674f, 0.042938257f, 0.036807223f, 0.030674803f, 0.024541229f, 0.018406730f, 0.012271538f, 0.006135885f,
474 0.000000000f
475 };
476
477 const f32 Pan2RatioTableLinear[ PAN_TABLE_SIZE ] =
478 {
479 1.000000000f, 0.996093750f, 0.992187500f, 0.988281250f, 0.984375000f, 0.980468750f, 0.976562500f, 0.972656250f,
480 0.968750000f, 0.964843750f, 0.960937500f, 0.957031250f, 0.953125000f, 0.949218750f, 0.945312500f, 0.941406250f,
481 0.937500000f, 0.933593750f, 0.929687500f, 0.925781250f, 0.921875000f, 0.917968750f, 0.914062500f, 0.910156250f,
482 0.906250000f, 0.902343750f, 0.898437500f, 0.894531250f, 0.890625000f, 0.886718750f, 0.882812500f, 0.878906250f,
483 0.875000000f, 0.871093750f, 0.867187500f, 0.863281250f, 0.859375000f, 0.855468750f, 0.851562500f, 0.847656250f,
484 0.843750000f, 0.839843750f, 0.835937500f, 0.832031250f, 0.828125000f, 0.824218750f, 0.820312500f, 0.816406250f,
485 0.812500000f, 0.808593750f, 0.804687500f, 0.800781250f, 0.796875000f, 0.792968750f, 0.789062500f, 0.785156250f,
486 0.781250000f, 0.777343750f, 0.773437500f, 0.769531250f, 0.765625000f, 0.761718750f, 0.757812500f, 0.753906250f,
487 0.750000000f, 0.746093750f, 0.742187500f, 0.738281250f, 0.734375000f, 0.730468750f, 0.726562500f, 0.722656250f,
488 0.718750000f, 0.714843750f, 0.710937500f, 0.707031250f, 0.703125000f, 0.699218750f, 0.695312500f, 0.691406250f,
489 0.687500000f, 0.683593750f, 0.679687500f, 0.675781250f, 0.671875000f, 0.667968750f, 0.664062500f, 0.660156250f,
490 0.656250000f, 0.652343750f, 0.648437500f, 0.644531250f, 0.640625000f, 0.636718750f, 0.632812500f, 0.628906250f,
491 0.625000000f, 0.621093750f, 0.617187500f, 0.613281250f, 0.609375000f, 0.605468750f, 0.601562500f, 0.597656250f,
492 0.593750000f, 0.589843750f, 0.585937500f, 0.582031250f, 0.578125000f, 0.574218750f, 0.570312500f, 0.566406250f,
493 0.562500000f, 0.558593750f, 0.554687500f, 0.550781250f, 0.546875000f, 0.542968750f, 0.539062500f, 0.535156250f,
494 0.531250000f, 0.527343750f, 0.523437500f, 0.519531250f, 0.515625000f, 0.511718750f, 0.507812500f, 0.503906250f,
495 0.500000000f, 0.496093750f, 0.492187500f, 0.488281250f, 0.484375000f, 0.480468750f, 0.476562500f, 0.472656250f, // center(-6dB)
496 0.468750000f, 0.464843750f, 0.460937500f, 0.457031250f, 0.453125000f, 0.449218750f, 0.445312500f, 0.441406250f,
497 0.437500000f, 0.433593750f, 0.429687500f, 0.425781250f, 0.421875000f, 0.417968750f, 0.414062500f, 0.410156250f,
498 0.406250000f, 0.402343750f, 0.398437500f, 0.394531250f, 0.390625000f, 0.386718750f, 0.382812500f, 0.378906250f,
499 0.375000000f, 0.371093750f, 0.367187500f, 0.363281250f, 0.359375000f, 0.355468750f, 0.351562500f, 0.347656250f,
500 0.343750000f, 0.339843750f, 0.335937500f, 0.332031250f, 0.328125000f, 0.324218750f, 0.320312500f, 0.316406250f,
501 0.312500000f, 0.308593750f, 0.304687500f, 0.300781250f, 0.296875000f, 0.292968750f, 0.289062500f, 0.285156250f,
502 0.281250000f, 0.277343750f, 0.273437500f, 0.269531250f, 0.265625000f, 0.261718750f, 0.257812500f, 0.253906250f,
503 0.250000000f, 0.246093750f, 0.242187500f, 0.238281250f, 0.234375000f, 0.230468750f, 0.226562500f, 0.222656250f,
504 0.218750000f, 0.214843750f, 0.210937500f, 0.207031250f, 0.203125000f, 0.199218750f, 0.195312500f, 0.191406250f,
505 0.187500000f, 0.183593750f, 0.179687500f, 0.175781250f, 0.171875000f, 0.167968750f, 0.164062500f, 0.160156250f,
506 0.156250000f, 0.152343750f, 0.148437500f, 0.144531250f, 0.140625000f, 0.136718750f, 0.132812500f, 0.128906250f,
507 0.125000000f, 0.121093750f, 0.117187500f, 0.113281250f, 0.109375000f, 0.105468750f, 0.101562500f, 0.097656250f,
508 0.093750000f, 0.089843750f, 0.085937500f, 0.082031250f, 0.078125000f, 0.074218750f, 0.070312500f, 0.066406250f,
509 0.062500000f, 0.058593750f, 0.054687500f, 0.050781250f, 0.046875000f, 0.042968750f, 0.039062500f, 0.035156250f,
510 0.031250000f, 0.027343750f, 0.023437500f, 0.019531250f, 0.015625000f, 0.011718750f, 0.007812500f, 0.003906250f,
511 0.000000000f
512 };
513 const f32 Pan2RatioTableLinearSurround[ PAN_TABLE_SIZE ] =
514 {
515 0.800000000f, 0.797656250f, 0.795312500f, 0.792968750f, 0.790625000f, 0.788281250f, 0.785937500f, 0.783593750f,
516 0.781250000f, 0.778906250f, 0.776562500f, 0.774218750f, 0.771875000f, 0.769531250f, 0.767187500f, 0.764843750f,
517 0.762500000f, 0.760156250f, 0.757812500f, 0.755468750f, 0.753125000f, 0.750781250f, 0.748437500f, 0.746093750f,
518 0.743750000f, 0.741406250f, 0.739062500f, 0.736718750f, 0.734375000f, 0.732031250f, 0.729687500f, 0.727343750f,
519 0.725000000f, 0.722656250f, 0.720312500f, 0.717968750f, 0.715625000f, 0.713281250f, 0.710937500f, 0.708593750f,
520 0.706250000f, 0.703906250f, 0.701562500f, 0.699218750f, 0.696875000f, 0.694531250f, 0.692187500f, 0.689843750f,
521 0.687500000f, 0.685156250f, 0.682812500f, 0.680468750f, 0.678125000f, 0.675781250f, 0.673437500f, 0.671093750f,
522 0.668750000f, 0.666406250f, 0.664062500f, 0.661718750f, 0.659375000f, 0.657031250f, 0.654687500f, 0.652343750f,
523 0.650000000f, 0.647656250f, 0.645312500f, 0.642968750f, 0.640625000f, 0.638281250f, 0.635937500f, 0.633593750f,
524 0.631250000f, 0.628906250f, 0.626562500f, 0.624218750f, 0.621875000f, 0.619531250f, 0.617187500f, 0.614843750f,
525 0.612500000f, 0.610156250f, 0.607812500f, 0.605468750f, 0.603125000f, 0.600781250f, 0.598437500f, 0.596093750f,
526 0.593750000f, 0.591406250f, 0.589062500f, 0.586718750f, 0.584375000f, 0.582031250f, 0.579687500f, 0.577343750f,
527 0.575000000f, 0.572656250f, 0.570312500f, 0.567968750f, 0.565625000f, 0.563281250f, 0.560937500f, 0.558593750f,
528 0.556250000f, 0.553906250f, 0.551562500f, 0.549218750f, 0.546875000f, 0.544531250f, 0.542187500f, 0.539843750f,
529 0.537500000f, 0.535156250f, 0.532812500f, 0.530468750f, 0.528125000f, 0.525781250f, 0.523437500f, 0.521093750f,
530 0.518750000f, 0.516406250f, 0.514062500f, 0.511718750f, 0.509375000f, 0.507031250f, 0.504687500f, 0.502343750f,
531 0.500000000f, 0.496093750f, 0.492187500f, 0.488281250f, 0.484375000f, 0.480468750f, 0.476562500f, 0.472656250f, // center(-6dB)
532 0.468750000f, 0.464843750f, 0.460937500f, 0.457031250f, 0.453125000f, 0.449218750f, 0.445312500f, 0.441406250f,
533 0.437500000f, 0.433593750f, 0.429687500f, 0.425781250f, 0.421875000f, 0.417968750f, 0.414062500f, 0.410156250f,
534 0.406250000f, 0.402343750f, 0.398437500f, 0.394531250f, 0.390625000f, 0.386718750f, 0.382812500f, 0.378906250f,
535 0.375000000f, 0.371093750f, 0.367187500f, 0.363281250f, 0.359375000f, 0.355468750f, 0.351562500f, 0.347656250f,
536 0.343750000f, 0.339843750f, 0.335937500f, 0.332031250f, 0.328125000f, 0.324218750f, 0.320312500f, 0.316406250f,
537 0.312500000f, 0.308593750f, 0.304687500f, 0.300781250f, 0.296875000f, 0.292968750f, 0.289062500f, 0.285156250f,
538 0.281250000f, 0.277343750f, 0.273437500f, 0.269531250f, 0.265625000f, 0.261718750f, 0.257812500f, 0.253906250f,
539 0.250000000f, 0.246093750f, 0.242187500f, 0.238281250f, 0.234375000f, 0.230468750f, 0.226562500f, 0.222656250f,
540 0.218750000f, 0.214843750f, 0.210937500f, 0.207031250f, 0.203125000f, 0.199218750f, 0.195312500f, 0.191406250f,
541 0.187500000f, 0.183593750f, 0.179687500f, 0.175781250f, 0.171875000f, 0.167968750f, 0.164062500f, 0.160156250f,
542 0.156250000f, 0.152343750f, 0.148437500f, 0.144531250f, 0.140625000f, 0.136718750f, 0.132812500f, 0.128906250f,
543 0.125000000f, 0.121093750f, 0.117187500f, 0.113281250f, 0.109375000f, 0.105468750f, 0.101562500f, 0.097656250f,
544 0.093750000f, 0.089843750f, 0.085937500f, 0.082031250f, 0.078125000f, 0.074218750f, 0.070312500f, 0.066406250f,
545 0.062500000f, 0.058593750f, 0.054687500f, 0.050781250f, 0.046875000f, 0.042968750f, 0.039062500f, 0.035156250f,
546 0.031250000f, 0.027343750f, 0.023437500f, 0.019531250f, 0.015625000f, 0.011718750f, 0.007812500f, 0.003906250f,
547 0.000000000f
548 };
549
550 const int PAN_CURVE_NUM = 3;
551 const f32* PanTableTable[ PAN_CURVE_NUM ] =
552 {
553 Pan2RatioTableSqrt,
554 Pan2RatioTableSinCos,
555 Pan2RatioTableLinear
556 };
557 const f32* PanTableTableForSurround[ PAN_CURVE_NUM ] =
558 {
559 Pan2RatioTableSqrtSurround,
560 Pan2RatioTableSinCosSurround,
561 Pan2RatioTableLinearSurround
562 };
563
564 // CalcTick 用
565 #ifdef NW_PLATFORM_CTR
566 class TickCalculator
567 {
568 private:
569 static const int LOG_BUF_SIZE = 20;
570
571 nn::os::Tick m_Ticks[ LOG_BUF_SIZE ];
572 nn::os::Tick m_TmpTick;
573 int m_Counter;
574
575 public:
TickCalculator()576 TickCalculator() : m_Counter( 0 ) {}
577
Calc()578 void Calc()
579 {
580 nn::os::Tick tick2 = nn::os::Tick::GetSystemCurrent();
581 m_Ticks[ m_Counter ] = ( tick2 - m_TmpTick );
582 m_TmpTick = tick2;
583
584 m_Counter += 1;
585 if ( m_Counter == LOG_BUF_SIZE )
586 {
587 char str[300]; str[0] = '\0';
588 for ( int i = 0; i < LOG_BUF_SIZE; i++ )
589 {
590 std::snprintf( str, 300, "%s [%2lld]",
591 str, m_Ticks[i].ToTimeSpan().GetMilliSeconds() );
592 }
593 NN_LOG("%s\n", str );
594 m_Counter = 0;
595 }
596 }
597 };
598 TickCalculator s_TickCalculator;
599 #endif
600
601 } // anonymous namespace
602
603
604
605 // CalcLpfFreq Table 80Hz - 16000Hz
606 // - scale 値は scale = (0.1/3) * idx + 0.135614381 と見なす
607 // - freq 値は RVL_SDK の axvpb.pb.lpf のカットオフ周波数を参考にした
608 const f32 Util::CALC_LPF_FREQ_INTERCEPT = 0.135614381f;
609 const u16 Util::CalcLpfFreqTable[ CALC_LPF_FREQ_TABLE_SIZE ] =
610 {
611 // freq(Hz), scale
612 80, // 0.135614381 == CALC_LPF_FREQ_INTERCEPT
613 100, // 0.167807191
614 128, // 0.203421572
615 160, // 0.235614381
616 200, // 0.267807191
617 256, // 0.303421572
618 320, // 0.335614381
619 400, // 0.367807191
620 500, // 0.400000000
621 640, // 0.435614381
622 800, // 0.467807191
623 1000, // 0.500000000
624 1280, // 0.535614381
625 1600, // 0.567807191
626 2000, // 0.600000000
627 2560, // 0.635614381
628 3200, // 0.667807191
629 4000, // 0.700000000
630 5120, // 0.735614381
631 6400, // 0.767807191
632 8000, // 0.800000000
633 10240, // 0.835614381
634 12800, // 0.867807191
635 16000 // 0.900000000
636 };
637
CalcLpfFreq(f32 scale)638 u16 Util::CalcLpfFreq( f32 scale )
639 {
640 scale = ut::Clamp( scale, 0.0f, 1.0f );
641
642 u16 freq = 0;
643
644 // freq = static_cast<u16>( std::pow( 2.0, ( scale-1.0 ) * 10.0 ) * 32000.0 );
645 // のかわりにテーブルを使用する
646 if ( scale < CALC_LPF_FREQ_INTERCEPT )
647 {
648 freq = CalcLpfFreqTable[0];
649 }
650 else if ( scale >= 0.9f )
651 {
652 freq = CalcLpfFreqTable[CALC_LPF_FREQ_TABLE_SIZE-1];
653 }
654 else
655 {
656 int idx = static_cast<int>( (scale-CALC_LPF_FREQ_INTERCEPT) / (0.1f/3) );
657 freq = CalcLpfFreqTable[ idx ];
658 }
659
660 return freq;
661 }
662
663 #if 0
664 f32 Util::SetPanCurveMax( f32 max )
665 {
666 if ( max > PAN_CURVE_MIN )
667 {
668 s_PanCurveMax = max;
669 }
670 else
671 {
672 s_PanCurveMax = PAN_CURVE_MIN;
673 }
674 return s_PanCurveMax;
675 }
676 f32 Util::GetPanCurveMax()
677 {
678 return s_PanCurveMax;
679 }
680 f32 Util::GetPanCurveMin()
681 {
682 return PAN_CURVE_MIN;
683 }
684 #endif
685
686
CalcPanRatio(f32 pan,const PanInfo & info)687 f32 Util::CalcPanRatio( f32 pan, const PanInfo& info )
688 {
689 pan = ( ut::Clamp( pan, -1.0f, 1.0f ) + 1.0f ) / 2.0f; // 0.0 - 1.0 のスケールに
690
691 const f32* table = NULL;
692 if ( nw::snd::SoundSystem::GetOutputMode() == nw::snd::OUTPUT_MODE_SURROUND )
693 {
694 table = PanTableTableForSurround[ info.curve ];
695 }
696 else
697 {
698 table = PanTableTable[ info.curve ];
699 }
700
701 register f32 ratio = 0.0f;
702 ratio = table[ static_cast<int>( pan * PAN_TABLE_MAX + 0.5f ) ];
703
704 if ( info.centerZeroFlag )
705 {
706 ratio /= table[ PAN_TABLE_CENTER ]; // 中央で1.0倍になるようにする
707 }
708
709 if ( info.zeroClampFlag )
710 {
711 ratio = ut::Clamp( ratio, 0.0f, 1.0f );
712 }
713 else
714 {
715 ratio = ut::Clamp( ratio, 0.0f, 2.0f );
716 }
717
718 return ratio;
719 }
720
CalcSurroundPanRatio(f32 surroundPan,const PanInfo & info)721 f32 Util::CalcSurroundPanRatio( f32 surroundPan, const PanInfo& info )
722 {
723 surroundPan = ut::Clamp( surroundPan, 0.0f, 2.0f ) / 2.0f; // 0.0 - 1.0 のスケールに
724
725 const f32* table = PanTableTable[ info.curve ];
726
727 f32 ratio = table[ static_cast<int>( surroundPan * PAN_TABLE_MAX + 0.5f ) ];
728
729 ratio = ut::Clamp( ratio, 0.0f, 2.0f );
730
731 return ratio;
732 }
733 /*---------------------------------------------------------------------------*
734 Name: CalcPitchRatio
735
736 Description: セント単位系から倍率を求める
737
738 Arguments: pitch : original key からのピッチのずれ(分解能:半音の1/256)
739
740 Returns: ピッチ倍率
741 *---------------------------------------------------------------------------*/
CalcPitchRatio(int pitch_)742 f32 Util::CalcPitchRatio( int pitch_ )
743 {
744 static const int RANGE = PITCH_DIVISION_RANGE * OCTAVE_DIVISION;
745
746 register int pitch = pitch_;
747
748 register int octave = 0;
749 while ( pitch < 0 )
750 {
751 octave--;
752 pitch += RANGE;
753 }
754 while ( pitch >= RANGE )
755 {
756 octave++;
757 pitch -= RANGE;
758 }
759
760 register int note = pitch / PITCH_DIVISION_RANGE;
761 pitch -= note * PITCH_DIVISION_RANGE;
762
763 register f32 ratio = 1.0f;
764 while ( octave > 0 )
765 {
766 ratio *= 2.0f;
767 octave--;
768 }
769 while ( octave < 0 )
770 {
771 ratio /= 2.0f;
772 octave++;
773 }
774
775 if ( note != 0 )
776 {
777 ratio *= NoteTable[note];
778 }
779 if ( pitch != 0 )
780 {
781 ratio *= PitchTable[pitch];
782 }
783
784 return ratio;
785 }
786
CalcVolumeRatio(f32 dB)787 f32 Util::CalcVolumeRatio( f32 dB )
788 {
789 dB = ut::Clamp( dB, -90.4f, 6.0f );
790 int index = static_cast<int>( dB * 10 ) - VOLUME_DB_MIN;
791 return Decibel2RatioTable[ index ];
792 }
793
CalcRandom()794 u16 Util::CalcRandom()
795 {
796 static u32 u = 0x12345678;
797 u = u * 1664525 + 1013904223;
798 return static_cast<u16>( u >> 16 );
799 }
800
801 // ID が waveArchiveId の波形アーカイブの waveIndex 番目の波形アドレスを返します。
802 // 未ロードの場合、NULL が返ります。
GetWaveFile(u32 waveArchiveId,u32 waveIndex,const SoundArchive & arc,const SoundArchivePlayer & player)803 const void* Util::GetWaveFile(
804 u32 waveArchiveId,
805 u32 waveIndex,
806 const SoundArchive& arc,
807 const SoundArchivePlayer& player )
808 {
809 // 波形アーカイブを取得
810 SoundArchive::WaveArchiveInfo info;
811 if ( ! arc.ReadWaveArchiveInfo( waveArchiveId, &info ) )
812 {
813 return NULL; // ID == warcId の波形アーカイブ情報が見つからない
814 }
815
816 const void* warcFile = player.detail_GetFileAddress( info.fileId );
817 // NW_WARNING( warcFile, "warc(0x%08x) is not loaded.", waveArchiveId );
818 // ↑プレイヤーヒープ利用時に必ず出力されるのでコメントアウト
819 if ( warcFile == NULL )
820 {
821 return NULL; // 波形アーカイブが未ロードだった
822 }
823
824 // 波形ファイルを取得
825 WaveArchiveFileReader reader( warcFile, info.isLoadIndividual );
826 const void* waveFile = reader.GetWaveFile( waveIndex );
827 // NOTE: この waveFile を差し替えることができれば、任意の波形で
828 // ノートオンすることができる。
829 NW_WARNING( waveFile, "index(%d) in warc(0x%08x) is not loaded.", waveIndex, waveArchiveId );
830 if ( waveFile == NULL )
831 {
832 return NULL;
833 }
834 return waveFile;
835 }
836
GetWaveFile(u32 waveArchiveId,u32 waveIndex,const SoundArchive & arc,const PlayerHeapDataManager * mgr)837 const void* Util::GetWaveFile(
838 u32 waveArchiveId,
839 u32 waveIndex,
840 const SoundArchive& arc,
841 const PlayerHeapDataManager* mgr )
842 {
843 // 波形アーカイブを取得
844 SoundArchive::WaveArchiveInfo info;
845 if ( ! arc.ReadWaveArchiveInfo( waveArchiveId, &info ) )
846 {
847 return NULL; // ID == warcId の波形アーカイブ情報が見つからない
848 }
849
850 const void* warcFile = mgr->GetFileAddress( info.fileId );
851 NW_WARNING( warcFile, "warc(0x%08x) is not loaded.", waveArchiveId );
852 if ( warcFile == NULL )
853 {
854 return NULL;
855 }
856
857 // 波形ファイルを取得
858 WaveArchiveFileReader reader( warcFile, info.isLoadIndividual );
859 const void* waveFile = reader.GetWaveFile( waveIndex );
860 NW_WARNING( waveFile, "index(%d) in warc(0x%08x) is not loaded.", waveIndex, waveArchiveId );
861 if ( waveFile == NULL )
862 {
863 return NULL;
864 }
865 return waveFile;
866 }
867
IsLoadedWaveArchive(const void * bankFile,const SoundArchive & arc,const SoundArchiveLoader & mgr)868 bool Util::IsLoadedWaveArchive(
869 const void* bankFile,
870 const SoundArchive& arc,
871 const SoundArchiveLoader& mgr )
872 {
873 BankFileReader bankFileReader( bankFile );
874 const Util::WaveIdTable& table = bankFileReader.GetWaveIdTable();
875
876 // 1 バンク ＝ 1 波形アーカイブなので、テーブルの 0 番目だけ見れば、
877 // どの波形アーカイブと関連付けられているかがわかる
878 Util::WaveId waveId = table.GetWaveId( 0 );
879 const void* waveArchiveFile = mgr.detail_GetFileAddressByItemId( waveId.waveArchiveId );
880 if ( waveArchiveFile == NULL )
881 {
882 return false;
883 }
884
885 // 個別ロード波形のうち、ひとつでもロードされていない場合は、false を返す
886 SoundArchive::WaveArchiveInfo warcInfo;
887 bool isReadWarcInfo = arc.ReadWaveArchiveInfo( waveId.waveArchiveId, &warcInfo );
888 NW_ASSERTMSG( isReadWarcInfo, "WARC(%08x) is invalid.", waveId.waveArchiveId );
889
890 if ( warcInfo.isLoadIndividual )
891 {
892 WaveArchiveFileReader reader( waveArchiveFile, true );
893 for ( int i = 0; i < table.GetCount(); i++ )
894 {
895 if ( ! reader.IsLoaded( waveId.waveIndex ) )
896 {
897 return false;
898 }
899 }
900 }
901 return true;
902 }
903
IsLoadedWaveArchive(const void * wsdFile,u32 index,const SoundArchive & arc,const SoundArchiveLoader & mgr)904 bool Util::IsLoadedWaveArchive(
905 const void* wsdFile,
906 u32 index,
907 const SoundArchive& arc,
908 const SoundArchiveLoader& mgr )
909 {
910 WaveSoundFileReader reader( wsdFile );
911 WaveSoundNoteInfo noteInfo;
912 bool isReadNoteInfo = reader.ReadNoteInfo( ¬eInfo, index, 0 );
913 NW_ASSERT( isReadNoteInfo );
914
915 // 波形アーカイブファイル取得
916 const void* waveArchiveFile =
917 mgr.detail_GetFileAddressByItemId( noteInfo.waveArchiveId );
918 if ( waveArchiveFile == NULL )
919 {
920 return false;
921 }
922
923 // 個別ロード波形のうち、このウェーブサウンドに必要な波形がロードされているかチェック
924 SoundArchive::WaveArchiveInfo warcInfo;
925 bool isReadWarcInfo = arc.ReadWaveArchiveInfo( noteInfo.waveArchiveId, &warcInfo );
926 NW_ASSERTMSG( isReadWarcInfo, "WARC(%08x) is invalid.", noteInfo.waveArchiveId );
927
928 if ( warcInfo.isLoadIndividual )
929 {
930 WaveArchiveFileReader warcReader( waveArchiveFile, true );
931 if ( ! warcReader.IsLoaded( noteInfo.waveIndex ) )
932 {
933 return false;
934 }
935 }
936 return true;
937 }
938
CalcTick()939 void Util::CalcTick()
940 {
941 #ifdef NW_PLATFORM_CTR
942 s_TickCalculator.Calc();
943 #endif /* NW_PLATFORM_CTR */
944 }
945
GetSampleByByte(unsigned long byte,SampleFormat format)946 unsigned long Util::GetSampleByByte( unsigned long byte, SampleFormat format )
947 {
948 unsigned long samples = 0;
949 unsigned long frac;
950
951 switch ( format )
952 {
953 case SAMPLE_FORMAT_DSP_ADPCM:
954 samples = ( byte / 8 ) * 14;
955 frac = ( byte % 8 );
956 if ( frac != 0 )
957 {
958 samples += ( frac - 1 ) * 2 ;
959 }
960 break;
961
962 case SAMPLE_FORMAT_PCM_S8:
963 samples = byte;
964 break;
965
966 /*
967 case SAMPLE_FORMAT_PCM_S16_BE:
968 case SAMPLE_FORMAT_PCM_S16_LE:
969 */
970 case SAMPLE_FORMAT_PCM_S16:
971 samples = ( byte >> 1 );
972 break;
973
974 default:
975 NW_ASSERTMSG( false, "Invalid format\n" );
976 break;
977 }
978
979 return samples;
980 }
981
GetByteBySample(unsigned long samples,SampleFormat format)982 unsigned long Util::GetByteBySample( unsigned long samples, SampleFormat format )
983 {
984 unsigned long byte = 0;
985 unsigned long frac;
986
987 switch ( format )
988 {
989 case SAMPLE_FORMAT_DSP_ADPCM:
990 byte = ( samples / 14 ) * 8;
991 frac = ( samples % 14 );
992 if ( frac != 0 )
993 {
994 byte += ( ( frac + 1 ) >> 1 ) + 1;
995 }
996 break;
997
998 case SAMPLE_FORMAT_PCM_S8:
999 byte = samples;
1000 break;
1001
1002 /*
1003 case SAMPLE_FORMAT_PCM_S16_BE:
1004 case SAMPLE_FORMAT_PCM_S16_LE:
1005 */
1006 case SAMPLE_FORMAT_PCM_S16:
1007 byte = ( samples << 1 );
1008 break;
1009
1010 default:
1011 NW_ASSERTMSG( false, "Invalid format\n" );
1012 break;
1013 }
1014
1015 return byte;
1016 }
1017
1018 } // namespace nw::snd::internal
1019 } // namespace nw::snd
1020 } // namespace nw
1021
1022