1 /*---------------------------------------------------------------------------*
2 Project: NintendoWare
3 File: snd_Util.cpp
4
5 Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain proprietary
8 information of Nintendo and/or its licensed developers and are protected by
9 national and international copyright laws. They may not be disclosed to third
10 parties or copied or duplicated in any form, in whole or in part, without the
11 prior written consent of Nintendo.
12
13 The content herein is highly confidential and should be handled accordingly.
14
15 $Revision: 32399 $
16 *---------------------------------------------------------------------------*/
17
18 #include "precompiled.h"
19 #include <nw/snd/snd_Util.h>
20
21 #include <nw/ut/ut_Inlines.h>
22 #include <nw/snd/snd_SoundArchive.h>
23 #include <nw/snd/snd_SoundArchivePlayer.h>
24 #include <nw/snd/snd_WaveArchiveFileReader.h>
25 #include <nw/snd/snd_SoundArchiveLoader.h>
26 #include <nw/snd/snd_PlayerHeapDataManager.h>
27
28 namespace nw {
29 namespace snd {
30 namespace internal {
31
32 namespace {
33
34 const int OCTAVE_DIVISION = 12;
35 const int VOLUME_TABLE_SIZE = Util::VOLUME_DB_MAX - Util::VOLUME_DB_MIN + 1;
36
37 #if 0
38 const f32 PAN_CURVE_MIN = 0.71f;
39 f32 s_PanCurveMax = 1.0f; // PAN_CURVE_MIN;
40 #endif
41
42 const f32 SURROUND_MODE_PAN_CURVE_MAX = 0.8f;
43
44 // ピッチスケールテーブル ( 半音単位 )
45 const f32 NoteTable[ OCTAVE_DIVISION ] =
46 {
47 1.00000000000000f,
48 1.05946309435930f,
49 1.12246204830937f,
50 1.18920711500272f,
51 1.25992104989487f,
52 1.33483985417003f,
53 1.41421356237310f,
54 1.49830707687668f,
55 1.58740105196820f,
56 1.68179283050743f,
57 1.78179743628068f,
58 1.88774862536339f
59 };
60 // ピッチスケールテーブル ( 半音の 1/256 単位 )
61
62 const f32 PitchTable[ Util::PITCH_DIVISION_RANGE ] =
63 {
64 1.00000000000000f, 1.00022565930507f, 1.00045136953226f, 1.00067713069307f,
65 1.00090294279898f, 1.00112880586149f, 1.00135471989211f, 1.00158068490233f,
66 1.00180670090365f, 1.00203276790759f, 1.00225888592566f, 1.00248505496936f,
67 1.00271127505020f, 1.00293754617972f, 1.00316386836942f, 1.00339024163082f,
68 1.00361666597546f, 1.00384314141486f, 1.00406966796055f, 1.00429624562407f,
69 1.00452287441694f, 1.00474955435071f, 1.00497628543691f, 1.00520306768709f,
70 1.00542990111280f, 1.00565678572558f, 1.00588372153699f, 1.00611070855857f,
71 1.00633774680189f, 1.00656483627850f, 1.00679197699996f, 1.00701916897784f,
72 1.00724641222370f, 1.00747370674912f, 1.00770105256566f, 1.00792844968490f,
73 1.00815589811842f, 1.00838339787779f, 1.00861094897460f, 1.00883855142043f,
74 1.00906620522687f, 1.00929391040551f, 1.00952166696794f, 1.00974947492577f,
75 1.00997733429057f, 1.01020524507396f, 1.01043320728755f, 1.01066122094292f,
76 1.01088928605170f, 1.01111740262549f, 1.01134557067591f, 1.01157379021458f,
77 1.01180206125310f, 1.01203038380312f, 1.01225875787623f, 1.01248718348409f,
78 1.01271566063830f, 1.01294418935052f, 1.01317276963236f, 1.01340140149547f,
79 1.01363008495149f, 1.01385882001206f, 1.01408760668882f, 1.01431644499343f,
80 1.01454533493752f, 1.01477427653277f, 1.01500326979081f, 1.01523231472332f,
81 1.01546141134194f, 1.01569055965835f, 1.01591975968421f, 1.01614901143119f,
82 1.01637831491095f, 1.01660767013518f, 1.01683707711556f, 1.01706653586375f,
83 1.01729604639144f, 1.01752560871032f, 1.01775522283207f, 1.01798488876839f,
84 1.01821460653096f, 1.01844437613148f, 1.01867419758165f, 1.01890407089317f,
85 1.01913399607774f, 1.01936397314707f, 1.01959400211286f, 1.01982408298683f,
86 1.02005421578069f, 1.02028440050616f, 1.02051463717495f, 1.02074492579879f,
87 1.02097526638940f, 1.02120565895850f, 1.02143610351784f, 1.02166660007913f,
88 1.02189714865412f, 1.02212774925453f, 1.02235840189212f, 1.02258910657863f,
89 1.02281986332579f, 1.02305067214536f, 1.02328153304909f, 1.02351244604873f,
90 1.02374341115603f, 1.02397442838276f, 1.02420549774068f, 1.02443661924155f,
91 1.02466779289714f, 1.02489901871921f, 1.02513029671954f, 1.02536162690990f,
92 1.02559300930208f, 1.02582444390784f, 1.02605593073898f, 1.02628746980727f,
93 1.02651906112451f, 1.02675070470248f, 1.02698240055299f, 1.02721414868781f,
94 1.02744594911876f, 1.02767780185764f, 1.02790970691624f, 1.02814166430638f,
95 1.02837367403986f, 1.02860573612850f, 1.02883785058410f, 1.02907001741849f,
96 1.02930223664349f, 1.02953450827092f, 1.02976683231260f, 1.02999920878037f,
97 1.03023163768604f, 1.03046411904146f, 1.03069665285846f, 1.03092923914889f,
98 1.03116187792457f, 1.03139456919736f, 1.03162731297909f, 1.03186010928163f,
99 1.03209295811682f, 1.03232585949652f, 1.03255881343258f, 1.03279181993686f,
100 1.03302487902123f, 1.03325799069755f, 1.03349115497769f, 1.03372437187351f,
101 1.03395764139691f, 1.03419096355973f, 1.03442433837388f, 1.03465776585123f,
102 1.03489124600365f, 1.03512477884305f, 1.03535836438130f, 1.03559200263031f,
103 1.03582569360196f, 1.03605943730815f, 1.03629323376078f, 1.03652708297176f,
104 1.03676098495299f, 1.03699493971638f, 1.03722894727384f, 1.03746300763728f,
105 1.03769712081862f, 1.03793128682977f, 1.03816550568267f, 1.03839977738923f,
106 1.03863410196138f, 1.03886847941105f, 1.03910290975017f, 1.03933739299068f,
107 1.03957192914452f, 1.03980651822362f, 1.04004116023993f, 1.04027585520539f,
108 1.04051060313196f, 1.04074540403158f, 1.04098025791621f, 1.04121516479780f,
109 1.04145012468832f, 1.04168513759972f, 1.04192020354397f, 1.04215532253304f,
110 1.04239049457890f, 1.04262571969352f, 1.04286099788887f, 1.04309632917694f,
111 1.04333171356970f, 1.04356715107914f, 1.04380264171725f, 1.04403818549601f,
112 1.04427378242741f, 1.04450943252346f, 1.04474513579614f, 1.04498089225746f,
113 1.04521670191942f, 1.04545256479402f, 1.04568848089328f, 1.04592445022919f,
114 1.04616047281379f, 1.04639654865907f, 1.04663267777707f, 1.04686886017980f,
115 1.04710509587929f, 1.04734138488756f, 1.04757772721665f, 1.04781412287858f,
116 1.04805057188539f, 1.04828707424912f, 1.04852362998181f, 1.04876023909550f,
117 1.04899690160224f, 1.04923361751407f, 1.04947038684306f, 1.04970720960124f,
118 1.04994408580069f, 1.05018101545345f, 1.05041799857160f, 1.05065503516719f,
119 1.05089212525229f, 1.05112926883898f, 1.05136646593932f, 1.05160371656540f,
120 1.05184102072929f, 1.05207837844307f, 1.05231578971883f, 1.05255325456865f,
121 1.05279077300463f, 1.05302834503885f, 1.05326597068341f, 1.05350364995040f,
122 1.05374138285194f, 1.05397916940012f, 1.05421700960704f, 1.05445490348482f,
123 1.05469285104557f, 1.05493085230140f, 1.05516890726443f, 1.05540701594677f,
124 1.05564517836056f, 1.05588339451791f, 1.05612166443095f, 1.05635998811181f,
125 1.05659836557263f, 1.05683679682555f, 1.05707528188269f, 1.05731382075621f,
126 1.05755241345824f, 1.05779106000093f, 1.05802976039644f, 1.05826851465692f,
127 1.05850732279451f, 1.05874618482139f, 1.05898510074970f, 1.05922407059161f
128 };
129
130 const f32 Decibel2RatioTable[ VOLUME_TABLE_SIZE ] =
131 {
132 0.000000000f, 3.05492E-05f, 3.09030E-05f, 3.12608E-05f, // -90.4dB = -infinity
133 3.16228E-05f, 3.19890E-05f, 3.23594E-05f, 3.27341E-05f, 3.31131E-05f, // -90.0dB
134 3.34965E-05f, 3.38844E-05f, 3.42768E-05f, 3.46737E-05f, 3.50752E-05f,
135 3.54813E-05f, 3.58922E-05f, 3.63078E-05f, 3.67282E-05f, 3.71535E-05f,
136 3.75837E-05f, 3.80189E-05f, 3.84592E-05f, 3.89045E-05f, 3.93550E-05f,
137 3.98107E-05f, 4.02717E-05f, 4.07380E-05f, 4.12098E-05f, 4.16869E-05f,
138 4.21697E-05f, 4.26580E-05f, 4.31519E-05f, 4.36516E-05f, 4.41570E-05f,
139 4.46684E-05f, 4.51856E-05f, 4.57088E-05f, 4.62381E-05f, 4.67735E-05f,
140 4.73151E-05f, 4.78630E-05f, 4.84172E-05f, 4.89779E-05f, 4.95450E-05f,
141 5.01187E-05f, 5.06991E-05f, 5.12861E-05f, 5.18800E-05f, 5.24807E-05f,
142 5.30884E-05f, 5.37032E-05f, 5.43250E-05f, 5.49541E-05f, 5.55904E-05f,
143 5.62341E-05f, 5.68853E-05f, 5.75440E-05f, 5.82103E-05f, 5.88844E-05f,
144 5.95662E-05f, 6.02560E-05f, 6.09537E-05f, 6.16595E-05f, 6.23735E-05f,
145 6.30957E-05f, 6.38263E-05f, 6.45654E-05f, 6.53131E-05f, 6.60693E-05f, // -84.0dB
146 6.68344E-05f, 6.76083E-05f, 6.83912E-05f, 6.91831E-05f, 6.99842E-05f,
147 7.07946E-05f, 7.16143E-05f, 7.24436E-05f, 7.32825E-05f, 7.41310E-05f,
148 7.49894E-05f, 7.58578E-05f, 7.67361E-05f, 7.76247E-05f, 7.85236E-05f,
149 7.94328E-05f, 8.03526E-05f, 8.12831E-05f, 8.22243E-05f, 8.31764E-05f,
150 8.41395E-05f, 8.51138E-05f, 8.60994E-05f, 8.70964E-05f, 8.81049E-05f,
151 8.91251E-05f, 9.01571E-05f, 9.12011E-05f, 9.22571E-05f, 9.33254E-05f,
152 9.44061E-05f, 9.54993E-05f, 9.66051E-05f, 9.77237E-05f, 9.88553E-05f,
153 0.000100000f, 0.000101158f, 0.000102329f, 0.000103514f, 0.000104713f, // -80.0dB
154 0.000105925f, 0.000107152f, 0.000108393f, 0.000109648f, 0.000110917f,
155 0.000112202f, 0.000113501f, 0.000114815f, 0.000116145f, 0.000117490f,
156 0.000118850f, 0.000120226f, 0.000121619f, 0.000123027f, 0.000124451f,
157 0.000125893f, 0.000127350f, 0.000128825f, 0.000130317f, 0.000131826f, // -78.0dB
158 0.000133352f, 0.000134896f, 0.000136458f, 0.000138038f, 0.000139637f,
159 0.000141254f, 0.000142889f, 0.000144544f, 0.000146218f, 0.000147911f,
160 0.000149624f, 0.000151356f, 0.000153109f, 0.000154882f, 0.000156675f,
161 0.000158489f, 0.000160325f, 0.000162181f, 0.000164059f, 0.000165959f,
162 0.000167880f, 0.000169824f, 0.000171791f, 0.000173780f, 0.000175792f,
163 0.000177828f, 0.000179887f, 0.000181970f, 0.000184077f, 0.000186209f,
164 0.000188365f, 0.000190546f, 0.000192752f, 0.000194984f, 0.000197242f,
165 0.000199526f, 0.000201837f, 0.000204174f, 0.000206538f, 0.000208930f,
166 0.000211349f, 0.000213796f, 0.000216272f, 0.000218776f, 0.000221309f,
167 0.000223872f, 0.000226464f, 0.000229087f, 0.000231739f, 0.000234423f,
168 0.000237137f, 0.000239883f, 0.000242661f, 0.000245471f, 0.000248313f,
169 0.000251189f, 0.000254097f, 0.000257040f, 0.000260016f, 0.000263027f, // -72.0dB
170 0.000266073f, 0.000269153f, 0.000272270f, 0.000275423f, 0.000278612f,
171 0.000281838f, 0.000285102f, 0.000288403f, 0.000291743f, 0.000295121f,
172 0.000298538f, 0.000301995f, 0.000305492f, 0.000309030f, 0.000312608f,
173 0.000316228f, 0.000319890f, 0.000323594f, 0.000327341f, 0.000331131f,
174 0.000334965f, 0.000338844f, 0.000342768f, 0.000346737f, 0.000350752f,
175 0.000354813f, 0.000358922f, 0.000363078f, 0.000367282f, 0.000371535f,
176 0.000375837f, 0.000380189f, 0.000384592f, 0.000389045f, 0.000393550f,
177 0.000398107f, 0.000402717f, 0.000407380f, 0.000412098f, 0.000416869f,
178 0.000421697f, 0.000426580f, 0.000431519f, 0.000436516f, 0.000441570f,
179 0.000446684f, 0.000451856f, 0.000457088f, 0.000462381f, 0.000467735f,
180 0.000473151f, 0.000478630f, 0.000484172f, 0.000489779f, 0.000495450f,
181 0.000501187f, 0.000506991f, 0.000512861f, 0.000518800f, 0.000524807f, // -66.0dB
182 0.000530884f, 0.000537032f, 0.000543250f, 0.000549541f, 0.000555904f,
183 0.000562341f, 0.000568853f, 0.000575440f, 0.000582103f, 0.000588844f,
184 0.000595662f, 0.000602560f, 0.000609537f, 0.000616595f, 0.000623735f,
185 0.000630957f, 0.000638263f, 0.000645654f, 0.000653131f, 0.000660693f,
186 0.000668344f, 0.000676083f, 0.000683912f, 0.000691831f, 0.000699842f,
187 0.000707946f, 0.000716143f, 0.000724436f, 0.000732825f, 0.000741310f,
188 0.000749894f, 0.000758578f, 0.000767361f, 0.000776247f, 0.000785236f,
189 0.000794328f, 0.000803526f, 0.000812831f, 0.000822243f, 0.000831764f,
190 0.000841395f, 0.000851138f, 0.000860994f, 0.000870964f, 0.000881049f,
191 0.000891251f, 0.000901571f, 0.000912011f, 0.000922571f, 0.000933254f,
192 0.000944061f, 0.000954993f, 0.000966051f, 0.000977237f, 0.000988553f,
193 0.001000000f, 0.001011579f, 0.001023293f, 0.001035142f, 0.001047129f, // -60.0dB ( 1/1000 )
194 0.001059254f, 0.001071519f, 0.001083927f, 0.001096478f, 0.001109175f,
195 0.001122018f, 0.001135011f, 0.001148154f, 0.001161449f, 0.001174898f,
196 0.001188502f, 0.001202264f, 0.001216186f, 0.001230269f, 0.001244515f,
197 0.001258925f, 0.001273503f, 0.001288250f, 0.001303167f, 0.001318257f,
198 0.001333521f, 0.001348963f, 0.001364583f, 0.001380384f, 0.001396368f,
199 0.001412538f, 0.001428894f, 0.001445440f, 0.001462177f, 0.001479108f,
200 0.001496236f, 0.001513561f, 0.001531087f, 0.001548817f, 0.001566751f,
201 0.001584893f, 0.001603245f, 0.001621810f, 0.001640590f, 0.001659587f,
202 0.001678804f, 0.001698244f, 0.001717908f, 0.001737801f, 0.001757924f,
203 0.001778279f, 0.001798871f, 0.001819701f, 0.001840772f, 0.001862087f,
204 0.001883649f, 0.001905461f, 0.001927525f, 0.001949845f, 0.001972423f,
205 0.001995262f, 0.002018366f, 0.002041738f, 0.002065380f, 0.002089296f, // -54.0dB
206 0.002113489f, 0.002137962f, 0.002162719f, 0.002187762f, 0.002213095f,
207 0.002238721f, 0.002264644f, 0.002290868f, 0.002317395f, 0.002344229f,
208 0.002371374f, 0.002398833f, 0.002426610f, 0.002454709f, 0.002483133f,
209 0.002511886f, 0.002540973f, 0.002570396f, 0.002600160f, 0.002630268f,
210 0.002660725f, 0.002691535f, 0.002722701f, 0.002754229f, 0.002786121f,
211 0.002818383f, 0.002851018f, 0.002884032f, 0.002917427f, 0.002951209f,
212 0.002985383f, 0.003019952f, 0.003054921f, 0.003090295f, 0.003126079f,
213 0.003162278f, 0.003198895f, 0.003235937f, 0.003273407f, 0.003311311f,
214 0.003349654f, 0.003388442f, 0.003427678f, 0.003467369f, 0.003507519f,
215 0.003548134f, 0.003589219f, 0.003630781f, 0.003672823f, 0.003715352f,
216 0.003758374f, 0.003801894f, 0.003845918f, 0.003890451f, 0.003935501f,
217 0.003981072f, 0.004027170f, 0.004073803f, 0.004120975f, 0.004168694f, // -48.0dB
218 0.004216965f, 0.004265795f, 0.004315191f, 0.004365158f, 0.004415704f,
219 0.004466836f, 0.004518559f, 0.004570882f, 0.004623810f, 0.004677351f,
220 0.004731513f, 0.004786301f, 0.004841724f, 0.004897788f, 0.004954502f,
221 0.005011872f, 0.005069907f, 0.005128614f, 0.005188000f, 0.005248075f,
222 0.005308844f, 0.005370318f, 0.005432503f, 0.005495409f, 0.005559043f,
223 0.005623413f, 0.005688529f, 0.005754399f, 0.005821032f, 0.005888437f,
224 0.005956621f, 0.006025596f, 0.006095369f, 0.006165950f, 0.006237348f,
225 0.006309573f, 0.006382635f, 0.006456542f, 0.006531306f, 0.006606934f,
226 0.006683439f, 0.006760830f, 0.006839116f, 0.006918310f, 0.006998420f,
227 0.007079458f, 0.007161434f, 0.007244360f, 0.007328245f, 0.007413102f,
228 0.007498942f, 0.007585776f, 0.007673615f, 0.007762471f, 0.007852356f,
229 0.007943282f, 0.008035261f, 0.008128305f, 0.008222426f, 0.008317638f, // -42.0dB
230 0.008413951f, 0.008511380f, 0.008609938f, 0.008709636f, 0.008810489f,
231 0.008912509f, 0.009015711f, 0.009120108f, 0.009225714f, 0.009332543f,
232 0.009440609f, 0.009549926f, 0.009660509f, 0.009772372f, 0.009885531f,
233 0.010000000f, 0.010115795f, 0.010232930f, 0.010351422f, 0.010471285f, // -40.0dB ( 1/100 )
234 0.010592537f, 0.010715193f, 0.010839269f, 0.010964782f, 0.011091748f,
235 0.011220185f, 0.011350108f, 0.011481536f, 0.011614486f, 0.011748976f,
236 0.011885022f, 0.012022644f, 0.012161860f, 0.012302688f, 0.012445146f,
237 0.012589254f, 0.012735031f, 0.012882496f, 0.013031668f, 0.013182567f,
238 0.013335214f, 0.013489629f, 0.013645831f, 0.013803843f, 0.013963684f,
239 0.014125375f, 0.014288940f, 0.014454398f, 0.014621772f, 0.014791084f,
240 0.014962357f, 0.015135612f, 0.015310875f, 0.015488166f, 0.015667511f,
241 0.015848932f, 0.016032454f, 0.016218101f, 0.016405898f, 0.016595869f, // -36.0dB
242 0.016788040f, 0.016982437f, 0.017179084f, 0.017378008f, 0.017579236f,
243 0.017782794f, 0.017988709f, 0.018197009f, 0.018407720f, 0.018620871f,
244 0.018836491f, 0.019054607f, 0.019275249f, 0.019498446f, 0.019724227f,
245 0.019952623f, 0.020183664f, 0.020417379f, 0.020653802f, 0.020892961f,
246 0.021134890f, 0.021379621f, 0.021627185f, 0.021877616f, 0.022130947f,
247 0.022387211f, 0.022646443f, 0.022908677f, 0.023173946f, 0.023442288f,
248 0.023713737f, 0.023988329f, 0.024266101f, 0.024547089f, 0.024831331f,
249 0.025118864f, 0.025409727f, 0.025703958f, 0.026001596f, 0.026302680f,
250 0.026607251f, 0.026915348f, 0.027227013f, 0.027542287f, 0.027861212f,
251 0.028183829f, 0.028510183f, 0.028840315f, 0.029174270f, 0.029512092f,
252 0.029853826f, 0.030199517f, 0.030549211f, 0.030902954f, 0.031260794f,
253 0.031622777f, 0.031988951f, 0.032359366f, 0.032734069f, 0.033113112f, // -30.0dB
254 0.033496544f, 0.033884416f, 0.034276779f, 0.034673685f, 0.035075187f,
255 0.035481339f, 0.035892193f, 0.036307805f, 0.036728230f, 0.037153523f,
256 0.037583740f, 0.038018940f, 0.038459178f, 0.038904514f, 0.039355008f,
257 0.039810717f, 0.040271703f, 0.040738028f, 0.041209752f, 0.041686938f,
258 0.042169650f, 0.042657952f, 0.043151908f, 0.043651583f, 0.044157045f,
259 0.044668359f, 0.045185594f, 0.045708819f, 0.046238102f, 0.046773514f,
260 0.047315126f, 0.047863009f, 0.048417237f, 0.048977882f, 0.049545019f,
261 0.050118723f, 0.050699071f, 0.051286138f, 0.051880004f, 0.052480746f,
262 0.053088444f, 0.053703180f, 0.054325033f, 0.054954087f, 0.055590426f,
263 0.056234133f, 0.056885293f, 0.057543994f, 0.058210322f, 0.058884366f,
264 0.059566214f, 0.060255959f, 0.060953690f, 0.061659500f, 0.062373484f,
265 0.063095734f, 0.063826349f, 0.064565423f, 0.065313055f, 0.066069345f, // -24.0dB
266 0.066834392f, 0.067608298f, 0.068391165f, 0.069183097f, 0.069984200f,
267 0.070794578f, 0.071614341f, 0.072443596f, 0.073282453f, 0.074131024f,
268 0.074989421f, 0.075857758f, 0.076736149f, 0.077624712f, 0.078523563f,
269 0.079432823f, 0.080352612f, 0.081283052f, 0.082224265f, 0.083176377f,
270 0.084139514f, 0.085113804f, 0.086099375f, 0.087096359f, 0.088104887f,
271 0.089125094f, 0.090157114f, 0.091201084f, 0.092257143f, 0.093325430f,
272 0.094406088f, 0.095499259f, 0.096605088f, 0.097723722f, 0.098855309f,
273 0.100000000f, 0.101157945f, 0.102329299f, 0.103514217f, 0.104712855f, // -20.0dB ( 1/10 )
274 0.105925373f, 0.107151931f, 0.108392691f, 0.109647820f, 0.110917482f,
275 0.112201845f, 0.113501082f, 0.114815362f, 0.116144861f, 0.117489755f,
276 0.118850223f, 0.120226443f, 0.121618600f, 0.123026877f, 0.124451461f,
277 0.125892541f, 0.127350308f, 0.128824955f, 0.130316678f, 0.131825674f, // -18.0dB
278 0.133352143f, 0.134896288f, 0.136458314f, 0.138038426f, 0.139636836f,
279 0.141253754f, 0.142889396f, 0.144543977f, 0.146217717f, 0.147910839f,
280 0.149623566f, 0.151356125f, 0.153108746f, 0.154881662f, 0.156675107f,
281 0.158489319f, 0.160324539f, 0.162181010f, 0.164058977f, 0.165958691f,
282 0.167880402f, 0.169824365f, 0.171790839f, 0.173780083f, 0.175792361f,
283 0.177827941f, 0.179887092f, 0.181970086f, 0.184077200f, 0.186208714f,
284 0.188364909f, 0.190546072f, 0.192752491f, 0.194984460f, 0.197242274f,
285 0.199526231f, 0.201836636f, 0.204173794f, 0.206538016f, 0.208929613f,
286 0.211348904f, 0.213796209f, 0.216271852f, 0.218776162f, 0.221309471f,
287 0.223872114f, 0.226464431f, 0.229086765f, 0.231739465f, 0.234422882f,
288 0.237137371f, 0.239883292f, 0.242661010f, 0.245470892f, 0.248313311f,
289 0.251188643f, 0.254097271f, 0.257039578f, 0.260015956f, 0.263026799f, // -12.0dB ( 1/4 )
290 0.266072506f, 0.269153480f, 0.272270131f, 0.275422870f, 0.278612117f,
291 0.281838293f, 0.285101827f, 0.288403150f, 0.291742701f, 0.295120923f,
292 0.298538262f, 0.301995172f, 0.305492111f, 0.309029543f, 0.312607937f,
293 0.316227766f, 0.319889511f, 0.323593657f, 0.327340695f, 0.331131121f,
294 0.334965439f, 0.338844156f, 0.342767787f, 0.346736850f, 0.350751874f,
295 0.354813389f, 0.358921935f, 0.363078055f, 0.367282300f, 0.371535229f,
296 0.375837404f, 0.380189396f, 0.384591782f, 0.389045145f, 0.393550075f,
297 0.398107171f, 0.402717034f, 0.407380278f, 0.412097519f, 0.416869383f,
298 0.421696503f, 0.426579519f, 0.431519077f, 0.436515832f, 0.441570447f,
299 0.446683592f, 0.451855944f, 0.457088190f, 0.462381021f, 0.467735141f,
300 0.473151259f, 0.478630092f, 0.484172368f, 0.489778819f, 0.495450191f,
301 0.501187234f, 0.506990708f, 0.512861384f, 0.518800039f, 0.524807460f, // -6.0dB ( 1/2 )
302 0.530884444f, 0.537031796f, 0.543250331f, 0.549540874f, 0.555904257f,
303 0.562341325f, 0.568852931f, 0.575439937f, 0.582103218f, 0.588843655f,
304 0.595662144f, 0.602559586f, 0.609536897f, 0.616595002f, 0.623734835f,
305 0.630957344f, 0.638263486f, 0.645654229f, 0.653130553f, 0.660693448f,
306 0.668343918f, 0.676082975f, 0.683911647f, 0.691830971f, 0.699841996f,
307 0.707945784f, 0.716143410f, 0.724435960f, 0.732824533f, 0.741310241f,
308 0.749894209f, 0.758577575f, 0.767361489f, 0.776247117f, 0.785235635f,
309 0.794328235f, 0.803526122f, 0.812830516f, 0.822242650f, 0.831763771f, // -2.0dB
310 0.841395142f, 0.851138038f, 0.860993752f, 0.870963590f, 0.881048873f,
311 0.891250938f, 0.901571138f, 0.912010839f, 0.922571427f, 0.933254301f, // -1.0dB
312 0.944060876f, 0.954992586f, 0.966050879f, 0.977237221f, 0.988553095f,
313 1.000000000f, 1.011579454f, 1.023292992f, 1.035142167f, 1.047128548f, // 0.0dB
314 1.059253725f, 1.071519305f, 1.083926914f, 1.096478196f, 1.109174815f,
315 1.122018454f, 1.135010816f, 1.148153621f, 1.161448614f, 1.174897555f, // 1.0dB
316 1.188502227f, 1.202264435f, 1.216186001f, 1.230268771f, 1.244514612f,
317 1.258925412f, 1.273503081f, 1.288249552f, 1.303166778f, 1.318256739f, // 2.0dB
318 1.333521432f, 1.348962883f, 1.364583137f, 1.380384265f, 1.396368361f,
319 1.412537545f, 1.428893959f, 1.445439771f, 1.462177174f, 1.479108388f,
320 1.496235656f, 1.513561248f, 1.531087462f, 1.548816619f, 1.566751070f,
321 1.584893192f, 1.603245391f, 1.621810097f, 1.640589773f, 1.659586907f,
322 1.678804018f, 1.698243652f, 1.717908387f, 1.737800829f, 1.757923614f,
323 1.778279410f, 1.798870915f, 1.819700859f, 1.840772001f, 1.862087137f,
324 1.883649089f, 1.905460718f, 1.927524913f, 1.949844600f, 1.972422736f,
325 1.995262315f // 6.0dB ( *2 )
326 };
327
328 const int PAN_TABLE_MAX = 256;
329 const int PAN_TABLE_MIN = 0;
330 const int PAN_TABLE_CENTER = 128;
331 const int PAN_TABLE_SIZE = PAN_TABLE_MAX - PAN_TABLE_MIN + 1;
332
333 const f32 Pan2RatioTableSqrt[ PAN_TABLE_SIZE ] =
334 {
335 1.000000000f, 0.998044964f, 0.996086091f, 0.994123358f, 0.992156742f, 0.990186220f, 0.988211769f, 0.986233365f,
336 0.984250984f, 0.982264603f, 0.980274196f, 0.978279740f, 0.976281209f, 0.974278579f, 0.972271824f, 0.970260919f,
337 0.968245837f, 0.966226552f, 0.964203039f, 0.962175270f, 0.960143218f, 0.958106857f, 0.956066159f, 0.954021095f,
338 0.951971638f, 0.949917760f, 0.947859431f, 0.945796622f, 0.943729304f, 0.941657448f, 0.939581024f, 0.937500000f,
339 0.935414347f, 0.933324033f, 0.931229027f, 0.929129297f, 0.927024811f, 0.924915537f, 0.922801441f, 0.920682491f,
340 0.918558654f, 0.916429894f, 0.914296177f, 0.912157470f, 0.910013736f, 0.907864940f, 0.905711047f, 0.903552018f,
341 0.901387819f, 0.899218411f, 0.897043756f, 0.894863816f, 0.892678554f, 0.890487928f, 0.888291900f, 0.886090430f,
342 0.883883476f, 0.881670999f, 0.879452955f, 0.877229303f, 0.875000000f, 0.872765003f, 0.870524267f, 0.868277749f,
343 0.866025404f, 0.863767185f, 0.861503047f, 0.859232943f, 0.856956825f, 0.854674646f, 0.852386356f, 0.850091907f,
344 0.847791248f, 0.845484329f, 0.843171098f, 0.840851503f, 0.838525492f, 0.836193010f, 0.833854004f, 0.831508418f,
345 0.829156198f, 0.826797285f, 0.824431622f, 0.822059152f, 0.819679816f, 0.817293552f, 0.814900301f, 0.812500000f,
346 0.810092587f, 0.807677999f, 0.805256170f, 0.802827036f, 0.800390530f, 0.797946583f, 0.795495129f, 0.793036096f,
347 0.790569415f, 0.788095013f, 0.785612818f, 0.783122755f, 0.780624750f, 0.778118725f, 0.775604603f, 0.773082305f,
348 0.770551750f, 0.768012858f, 0.765465545f, 0.762909726f, 0.760345316f, 0.757772228f, 0.755190373f, 0.752599661f,
349 0.750000000f, 0.747391296f, 0.744773455f, 0.742146380f, 0.739509973f, 0.736864133f, 0.734208758f, 0.731543744f,
350 0.728868987f, 0.726184377f, 0.723489806f, 0.720785162f, 0.718070331f, 0.715345196f, 0.712609641f, 0.709863543f,
351 0.707106781f, 0.704339229f, 0.701560760f, 0.698771243f, 0.695970545f, 0.693158532f, 0.690335064f, 0.687500000f, // center(-3dB)
352 0.684653197f, 0.681794507f, 0.678923781f, 0.676040864f, 0.673145601f, 0.670237831f, 0.667317391f, 0.664384113f,
353 0.661437828f, 0.658478360f, 0.655505530f, 0.652519157f, 0.649519053f, 0.646505027f, 0.643476884f, 0.640434423f,
354 0.637377439f, 0.634305723f, 0.631219059f, 0.628117226f, 0.625000000f, 0.621867148f, 0.618718434f, 0.615553613f,
355 0.612372436f, 0.609174647f, 0.605959982f, 0.602728173f, 0.599478940f, 0.596212001f, 0.592927061f, 0.589623821f,
356 0.586301970f, 0.582961191f, 0.579601156f, 0.576221529f, 0.572821962f, 0.569402099f, 0.565961571f, 0.562500000f,
357 0.559016994f, 0.555512151f, 0.551985054f, 0.548435274f, 0.544862368f, 0.541265877f, 0.537645329f, 0.534000234f,
358 0.530330086f, 0.526634361f, 0.522912517f, 0.519163991f, 0.515388203f, 0.511584548f, 0.507752400f, 0.503891109f,
359 0.500000000f, 0.496078371f, 0.492125492f, 0.488140605f, 0.484122918f, 0.480071609f, 0.475985819f, 0.471864652f,
360 0.467707173f, 0.463512405f, 0.459279327f, 0.455006868f, 0.450693909f, 0.446339277f, 0.441941738f, 0.437500000f,
361 0.433012702f, 0.428478413f, 0.423895624f, 0.419262746f, 0.414578099f, 0.409839908f, 0.405046294f, 0.400195265f,
362 0.395284708f, 0.390312375f, 0.385275875f, 0.380172658f, 0.375000000f, 0.369754986f, 0.364434493f, 0.359035165f,
363 0.353553391f, 0.347985273f, 0.342326598f, 0.336572800f, 0.330718914f, 0.324759526f, 0.318688720f, 0.312500000f,
364 0.306186218f, 0.299739470f, 0.293150985f, 0.286410981f, 0.279508497f, 0.272431184f, 0.265165043f, 0.257694102f,
365 0.250000000f, 0.242061459f, 0.233853587f, 0.225346955f, 0.216506351f, 0.207289049f, 0.197642354f, 0.187500000f,
366 0.176776695f, 0.165359457f, 0.153093109f, 0.139754249f, 0.125000000f, 0.108253175f, 0.088388348f, 0.062500000f,
367 0.000000000f
368 };
369 const f32 Pan2RatioTableSqrtSurround[ PAN_TABLE_SIZE ] =
370 {
371 0.800000000f, 0.799274272f, 0.798548543f, 0.797822815f, 0.797097087f, 0.796371359f, 0.795645630f, 0.794919902f,
372 0.794194174f, 0.793468446f, 0.792742717f, 0.792016989f, 0.791291261f, 0.790565532f, 0.789839804f, 0.789114076f,
373 0.788388348f, 0.787662619f, 0.786936891f, 0.786211163f, 0.785485435f, 0.784759706f, 0.784033978f, 0.783308250f,
374 0.782582521f, 0.781856793f, 0.781131065f, 0.780405337f, 0.779679608f, 0.778953880f, 0.778228152f, 0.777502424f,
375 0.776776695f, 0.776050967f, 0.775325239f, 0.774599510f, 0.773873782f, 0.773148054f, 0.772422326f, 0.771696597f,
376 0.770970869f, 0.770245141f, 0.769519413f, 0.768793684f, 0.768067956f, 0.767342228f, 0.766616499f, 0.765890771f,
377 0.765165043f, 0.764439315f, 0.763713586f, 0.762987858f, 0.762262130f, 0.761536402f, 0.760810673f, 0.760084945f,
378 0.759359217f, 0.758633488f, 0.757907760f, 0.757182032f, 0.756456304f, 0.755730575f, 0.755004847f, 0.754279119f,
379 0.753553391f, 0.752827662f, 0.752101934f, 0.751376206f, 0.750650477f, 0.749924749f, 0.749199021f, 0.748473293f,
380 0.747747564f, 0.747021836f, 0.746296108f, 0.745570379f, 0.744844651f, 0.744118923f, 0.743393195f, 0.742667466f,
381 0.741941738f, 0.741216010f, 0.740490282f, 0.739764553f, 0.739038825f, 0.738313097f, 0.737587368f, 0.736861640f,
382 0.736135912f, 0.735410184f, 0.734684455f, 0.733958727f, 0.733232999f, 0.732507271f, 0.731781542f, 0.731055814f,
383 0.730330086f, 0.729604357f, 0.728878629f, 0.728152901f, 0.727427173f, 0.726701444f, 0.725975716f, 0.725249988f,
384 0.724524260f, 0.723798531f, 0.723072803f, 0.722347075f, 0.721621346f, 0.720895618f, 0.720169890f, 0.719444162f,
385 0.718718433f, 0.717992705f, 0.717266977f, 0.716541249f, 0.715815520f, 0.715089792f, 0.714364064f, 0.713638335f,
386 0.712912607f, 0.712186879f, 0.711461151f, 0.710735422f, 0.710009694f, 0.709283966f, 0.708558238f, 0.707832509f,
387 0.707106781f, 0.704339229f, 0.701560760f, 0.698771243f, 0.695970545f, 0.693158532f, 0.690335064f, 0.687500000f, // center(-3dB)
388 0.684653197f, 0.681794507f, 0.678923781f, 0.676040864f, 0.673145601f, 0.670237831f, 0.667317391f, 0.664384113f,
389 0.661437828f, 0.658478360f, 0.655505530f, 0.652519157f, 0.649519053f, 0.646505027f, 0.643476884f, 0.640434423f,
390 0.637377439f, 0.634305723f, 0.631219059f, 0.628117226f, 0.625000000f, 0.621867148f, 0.618718434f, 0.615553613f,
391 0.612372436f, 0.609174647f, 0.605959982f, 0.602728173f, 0.599478940f, 0.596212001f, 0.592927061f, 0.589623821f,
392 0.586301970f, 0.582961191f, 0.579601156f, 0.576221529f, 0.572821962f, 0.569402099f, 0.565961571f, 0.562500000f,
393 0.559016994f, 0.555512151f, 0.551985054f, 0.548435274f, 0.544862368f, 0.541265877f, 0.537645329f, 0.534000234f,
394 0.530330086f, 0.526634361f, 0.522912517f, 0.519163991f, 0.515388203f, 0.511584548f, 0.507752400f, 0.503891109f,
395 0.500000000f, 0.496078371f, 0.492125492f, 0.488140605f, 0.484122918f, 0.480071609f, 0.475985819f, 0.471864652f,
396 0.467707173f, 0.463512405f, 0.459279327f, 0.455006868f, 0.450693909f, 0.446339277f, 0.441941738f, 0.437500000f,
397 0.433012702f, 0.428478413f, 0.423895624f, 0.419262746f, 0.414578099f, 0.409839908f, 0.405046294f, 0.400195265f,
398 0.395284708f, 0.390312375f, 0.385275875f, 0.380172658f, 0.375000000f, 0.369754986f, 0.364434493f, 0.359035165f,
399 0.353553391f, 0.347985273f, 0.342326598f, 0.336572800f, 0.330718914f, 0.324759526f, 0.318688720f, 0.312500000f,
400 0.306186218f, 0.299739470f, 0.293150985f, 0.286410981f, 0.279508497f, 0.272431184f, 0.265165043f, 0.257694102f,
401 0.250000000f, 0.242061459f, 0.233853587f, 0.225346955f, 0.216506351f, 0.207289049f, 0.197642354f, 0.187500000f,
402 0.176776695f, 0.165359457f, 0.153093109f, 0.139754249f, 0.125000000f, 0.108253175f, 0.088388348f, 0.062500000f,
403 0.000000000f
404 };
405
406 const f32 Pan2RatioTableSinCos[ PAN_TABLE_SIZE ] =
407 {
408 1.000000000f, 0.999981175f, 0.999924702f, 0.999830582f, 0.999698819f, 0.999529418f, 0.999322385f, 0.999077728f,
409 0.998795456f, 0.998475581f, 0.998118113f, 0.997723067f, 0.997290457f, 0.996820299f, 0.996312612f, 0.995767414f,
410 0.995184727f, 0.994564571f, 0.993906970f, 0.993211949f, 0.992479535f, 0.991709754f, 0.990902635f, 0.990058210f,
411 0.989176510f, 0.988257568f, 0.987301418f, 0.986308097f, 0.985277642f, 0.984210092f, 0.983105487f, 0.981963869f,
412 0.980785280f, 0.979569766f, 0.978317371f, 0.977028143f, 0.975702130f, 0.974339383f, 0.972939952f, 0.971503891f,
413 0.970031253f, 0.968522094f, 0.966976471f, 0.965394442f, 0.963776066f, 0.962121404f, 0.960430519f, 0.958703475f,
414 0.956940336f, 0.955141168f, 0.953306040f, 0.951435021f, 0.949528181f, 0.947585591f, 0.945607325f, 0.943593458f,
415 0.941544065f, 0.939459224f, 0.937339012f, 0.935183510f, 0.932992799f, 0.930766961f, 0.928506080f, 0.926210242f,
416 0.923879533f, 0.921514039f, 0.919113852f, 0.916679060f, 0.914209756f, 0.911706032f, 0.909167983f, 0.906595705f,
417 0.903989293f, 0.901348847f, 0.898674466f, 0.895966250f, 0.893224301f, 0.890448723f, 0.887639620f, 0.884797098f,
418 0.881921264f, 0.879012226f, 0.876070094f, 0.873094978f, 0.870086991f, 0.867046246f, 0.863972856f, 0.860866939f,
419 0.857728610f, 0.854557988f, 0.851355193f, 0.848120345f, 0.844853565f, 0.841554977f, 0.838224706f, 0.834862875f,
420 0.831469612f, 0.828045045f, 0.824589303f, 0.821102515f, 0.817584813f, 0.814036330f, 0.810457198f, 0.806847554f,
421 0.803207531f, 0.799537269f, 0.795836905f, 0.792106577f, 0.788346428f, 0.784556597f, 0.780737229f, 0.776888466f,
422 0.773010453f, 0.769103338f, 0.765167266f, 0.761202385f, 0.757208847f, 0.753186799f, 0.749136395f, 0.745057785f,
423 0.740951125f, 0.736816569f, 0.732654272f, 0.728464390f, 0.724247083f, 0.720002508f, 0.715730825f, 0.711432196f,
424 0.707106781f, 0.702754744f, 0.698376249f, 0.693971461f, 0.689540545f, 0.685083668f, 0.680600998f, 0.676092704f, // center(-3dB)
425 0.671558955f, 0.666999922f, 0.662415778f, 0.657806693f, 0.653172843f, 0.648514401f, 0.643831543f, 0.639124445f,
426 0.634393284f, 0.629638239f, 0.624859488f, 0.620057212f, 0.615231591f, 0.610382806f, 0.605511041f, 0.600616479f,
427 0.595699304f, 0.590759702f, 0.585797857f, 0.580813958f, 0.575808191f, 0.570780746f, 0.565731811f, 0.560661576f,
428 0.555570233f, 0.550457973f, 0.545324988f, 0.540171473f, 0.534997620f, 0.529803625f, 0.524589683f, 0.519355990f,
429 0.514102744f, 0.508830143f, 0.503538384f, 0.498227667f, 0.492898192f, 0.487550160f, 0.482183772f, 0.476799230f,
430 0.471396737f, 0.465976496f, 0.460538711f, 0.455083587f, 0.449611330f, 0.444122145f, 0.438616239f, 0.433093819f,
431 0.427555093f, 0.422000271f, 0.416429560f, 0.410843171f, 0.405241314f, 0.399624200f, 0.393992040f, 0.388345047f,
432 0.382683432f, 0.377007410f, 0.371317194f, 0.365612998f, 0.359895037f, 0.354163525f, 0.348418680f, 0.342660717f,
433 0.336889853f, 0.331106306f, 0.325310292f, 0.319502031f, 0.313681740f, 0.307849640f, 0.302005949f, 0.296150888f,
434 0.290284677f, 0.284407537f, 0.278519689f, 0.272621355f, 0.266712757f, 0.260794118f, 0.254865660f, 0.248927606f,
435 0.242980180f, 0.237023606f, 0.231058108f, 0.225083911f, 0.219101240f, 0.213110320f, 0.207111376f, 0.201104635f,
436 0.195090322f, 0.189068664f, 0.183039888f, 0.177004220f, 0.170961889f, 0.164913120f, 0.158858143f, 0.152797185f,
437 0.146730474f, 0.140658239f, 0.134580709f, 0.128498111f, 0.122410675f, 0.116318631f, 0.110222207f, 0.104121634f,
438 0.098017140f, 0.091908956f, 0.085797312f, 0.079682438f, 0.073564564f, 0.067443920f, 0.061320736f, 0.055195244f,
439 0.049067674f, 0.042938257f, 0.036807223f, 0.030674803f, 0.024541229f, 0.018406730f, 0.012271538f, 0.006135885f,
440 0.000000000f
441 };
442 const f32 Pan2RatioTableSinCosSurround[ PAN_TABLE_SIZE ] =
443 {
444 0.800000000f, 0.799274272f, 0.798548543f, 0.797822815f, 0.797097087f, 0.796371359f, 0.795645630f, 0.794919902f,
445 0.794194174f, 0.793468446f, 0.792742717f, 0.792016989f, 0.791291261f, 0.790565532f, 0.789839804f, 0.789114076f,
446 0.788388348f, 0.787662619f, 0.786936891f, 0.786211163f, 0.785485435f, 0.784759706f, 0.784033978f, 0.783308250f,
447 0.782582521f, 0.781856793f, 0.781131065f, 0.780405337f, 0.779679608f, 0.778953880f, 0.778228152f, 0.777502424f,
448 0.776776695f, 0.776050967f, 0.775325239f, 0.774599510f, 0.773873782f, 0.773148054f, 0.772422326f, 0.771696597f,
449 0.770970869f, 0.770245141f, 0.769519413f, 0.768793684f, 0.768067956f, 0.767342228f, 0.766616499f, 0.765890771f,
450 0.765165043f, 0.764439315f, 0.763713586f, 0.762987858f, 0.762262130f, 0.761536402f, 0.760810673f, 0.760084945f,
451 0.759359217f, 0.758633488f, 0.757907760f, 0.757182032f, 0.756456304f, 0.755730575f, 0.755004847f, 0.754279119f,
452 0.753553391f, 0.752827662f, 0.752101934f, 0.751376206f, 0.750650477f, 0.749924749f, 0.749199021f, 0.748473293f,
453 0.747747564f, 0.747021836f, 0.746296108f, 0.745570379f, 0.744844651f, 0.744118923f, 0.743393195f, 0.742667466f,
454 0.741941738f, 0.741216010f, 0.740490282f, 0.739764553f, 0.739038825f, 0.738313097f, 0.737587368f, 0.736861640f,
455 0.736135912f, 0.735410184f, 0.734684455f, 0.733958727f, 0.733232999f, 0.732507271f, 0.731781542f, 0.731055814f,
456 0.730330086f, 0.729604357f, 0.728878629f, 0.728152901f, 0.727427173f, 0.726701444f, 0.725975716f, 0.725249988f,
457 0.724524260f, 0.723798531f, 0.723072803f, 0.722347075f, 0.721621346f, 0.720895618f, 0.720169890f, 0.719444162f,
458 0.718718433f, 0.717992705f, 0.717266977f, 0.716541249f, 0.715815520f, 0.715089792f, 0.714364064f, 0.713638335f,
459 0.712912607f, 0.712186879f, 0.711461151f, 0.710735422f, 0.710009694f, 0.709283966f, 0.708558238f, 0.707832509f,
460 0.707106781f, 0.702754744f, 0.698376249f, 0.693971461f, 0.689540545f, 0.685083668f, 0.680600998f, 0.676092704f, // center(-3dB)
461 0.671558955f, 0.666999922f, 0.662415778f, 0.657806693f, 0.653172843f, 0.648514401f, 0.643831543f, 0.639124445f,
462 0.634393284f, 0.629638239f, 0.624859488f, 0.620057212f, 0.615231591f, 0.610382806f, 0.605511041f, 0.600616479f,
463 0.595699304f, 0.590759702f, 0.585797857f, 0.580813958f, 0.575808191f, 0.570780746f, 0.565731811f, 0.560661576f,
464 0.555570233f, 0.550457973f, 0.545324988f, 0.540171473f, 0.534997620f, 0.529803625f, 0.524589683f, 0.519355990f,
465 0.514102744f, 0.508830143f, 0.503538384f, 0.498227667f, 0.492898192f, 0.487550160f, 0.482183772f, 0.476799230f,
466 0.471396737f, 0.465976496f, 0.460538711f, 0.455083587f, 0.449611330f, 0.444122145f, 0.438616239f, 0.433093819f,
467 0.427555093f, 0.422000271f, 0.416429560f, 0.410843171f, 0.405241314f, 0.399624200f, 0.393992040f, 0.388345047f,
468 0.382683432f, 0.377007410f, 0.371317194f, 0.365612998f, 0.359895037f, 0.354163525f, 0.348418680f, 0.342660717f,
469 0.336889853f, 0.331106306f, 0.325310292f, 0.319502031f, 0.313681740f, 0.307849640f, 0.302005949f, 0.296150888f,
470 0.290284677f, 0.284407537f, 0.278519689f, 0.272621355f, 0.266712757f, 0.260794118f, 0.254865660f, 0.248927606f,
471 0.242980180f, 0.237023606f, 0.231058108f, 0.225083911f, 0.219101240f, 0.213110320f, 0.207111376f, 0.201104635f,
472 0.195090322f, 0.189068664f, 0.183039888f, 0.177004220f, 0.170961889f, 0.164913120f, 0.158858143f, 0.152797185f,
473 0.146730474f, 0.140658239f, 0.134580709f, 0.128498111f, 0.122410675f, 0.116318631f, 0.110222207f, 0.104121634f,
474 0.098017140f, 0.091908956f, 0.085797312f, 0.079682438f, 0.073564564f, 0.067443920f, 0.061320736f, 0.055195244f,
475 0.049067674f, 0.042938257f, 0.036807223f, 0.030674803f, 0.024541229f, 0.018406730f, 0.012271538f, 0.006135885f,
476 0.000000000f
477 };
478
479 const f32 Pan2RatioTableLinear[ PAN_TABLE_SIZE ] =
480 {
481 1.000000000f, 0.996093750f, 0.992187500f, 0.988281250f, 0.984375000f, 0.980468750f, 0.976562500f, 0.972656250f,
482 0.968750000f, 0.964843750f, 0.960937500f, 0.957031250f, 0.953125000f, 0.949218750f, 0.945312500f, 0.941406250f,
483 0.937500000f, 0.933593750f, 0.929687500f, 0.925781250f, 0.921875000f, 0.917968750f, 0.914062500f, 0.910156250f,
484 0.906250000f, 0.902343750f, 0.898437500f, 0.894531250f, 0.890625000f, 0.886718750f, 0.882812500f, 0.878906250f,
485 0.875000000f, 0.871093750f, 0.867187500f, 0.863281250f, 0.859375000f, 0.855468750f, 0.851562500f, 0.847656250f,
486 0.843750000f, 0.839843750f, 0.835937500f, 0.832031250f, 0.828125000f, 0.824218750f, 0.820312500f, 0.816406250f,
487 0.812500000f, 0.808593750f, 0.804687500f, 0.800781250f, 0.796875000f, 0.792968750f, 0.789062500f, 0.785156250f,
488 0.781250000f, 0.777343750f, 0.773437500f, 0.769531250f, 0.765625000f, 0.761718750f, 0.757812500f, 0.753906250f,
489 0.750000000f, 0.746093750f, 0.742187500f, 0.738281250f, 0.734375000f, 0.730468750f, 0.726562500f, 0.722656250f,
490 0.718750000f, 0.714843750f, 0.710937500f, 0.707031250f, 0.703125000f, 0.699218750f, 0.695312500f, 0.691406250f,
491 0.687500000f, 0.683593750f, 0.679687500f, 0.675781250f, 0.671875000f, 0.667968750f, 0.664062500f, 0.660156250f,
492 0.656250000f, 0.652343750f, 0.648437500f, 0.644531250f, 0.640625000f, 0.636718750f, 0.632812500f, 0.628906250f,
493 0.625000000f, 0.621093750f, 0.617187500f, 0.613281250f, 0.609375000f, 0.605468750f, 0.601562500f, 0.597656250f,
494 0.593750000f, 0.589843750f, 0.585937500f, 0.582031250f, 0.578125000f, 0.574218750f, 0.570312500f, 0.566406250f,
495 0.562500000f, 0.558593750f, 0.554687500f, 0.550781250f, 0.546875000f, 0.542968750f, 0.539062500f, 0.535156250f,
496 0.531250000f, 0.527343750f, 0.523437500f, 0.519531250f, 0.515625000f, 0.511718750f, 0.507812500f, 0.503906250f,
497 0.500000000f, 0.496093750f, 0.492187500f, 0.488281250f, 0.484375000f, 0.480468750f, 0.476562500f, 0.472656250f, // center(-6dB)
498 0.468750000f, 0.464843750f, 0.460937500f, 0.457031250f, 0.453125000f, 0.449218750f, 0.445312500f, 0.441406250f,
499 0.437500000f, 0.433593750f, 0.429687500f, 0.425781250f, 0.421875000f, 0.417968750f, 0.414062500f, 0.410156250f,
500 0.406250000f, 0.402343750f, 0.398437500f, 0.394531250f, 0.390625000f, 0.386718750f, 0.382812500f, 0.378906250f,
501 0.375000000f, 0.371093750f, 0.367187500f, 0.363281250f, 0.359375000f, 0.355468750f, 0.351562500f, 0.347656250f,
502 0.343750000f, 0.339843750f, 0.335937500f, 0.332031250f, 0.328125000f, 0.324218750f, 0.320312500f, 0.316406250f,
503 0.312500000f, 0.308593750f, 0.304687500f, 0.300781250f, 0.296875000f, 0.292968750f, 0.289062500f, 0.285156250f,
504 0.281250000f, 0.277343750f, 0.273437500f, 0.269531250f, 0.265625000f, 0.261718750f, 0.257812500f, 0.253906250f,
505 0.250000000f, 0.246093750f, 0.242187500f, 0.238281250f, 0.234375000f, 0.230468750f, 0.226562500f, 0.222656250f,
506 0.218750000f, 0.214843750f, 0.210937500f, 0.207031250f, 0.203125000f, 0.199218750f, 0.195312500f, 0.191406250f,
507 0.187500000f, 0.183593750f, 0.179687500f, 0.175781250f, 0.171875000f, 0.167968750f, 0.164062500f, 0.160156250f,
508 0.156250000f, 0.152343750f, 0.148437500f, 0.144531250f, 0.140625000f, 0.136718750f, 0.132812500f, 0.128906250f,
509 0.125000000f, 0.121093750f, 0.117187500f, 0.113281250f, 0.109375000f, 0.105468750f, 0.101562500f, 0.097656250f,
510 0.093750000f, 0.089843750f, 0.085937500f, 0.082031250f, 0.078125000f, 0.074218750f, 0.070312500f, 0.066406250f,
511 0.062500000f, 0.058593750f, 0.054687500f, 0.050781250f, 0.046875000f, 0.042968750f, 0.039062500f, 0.035156250f,
512 0.031250000f, 0.027343750f, 0.023437500f, 0.019531250f, 0.015625000f, 0.011718750f, 0.007812500f, 0.003906250f,
513 0.000000000f
514 };
515 const f32 Pan2RatioTableLinearSurround[ PAN_TABLE_SIZE ] =
516 {
517 0.800000000f, 0.797656250f, 0.795312500f, 0.792968750f, 0.790625000f, 0.788281250f, 0.785937500f, 0.783593750f,
518 0.781250000f, 0.778906250f, 0.776562500f, 0.774218750f, 0.771875000f, 0.769531250f, 0.767187500f, 0.764843750f,
519 0.762500000f, 0.760156250f, 0.757812500f, 0.755468750f, 0.753125000f, 0.750781250f, 0.748437500f, 0.746093750f,
520 0.743750000f, 0.741406250f, 0.739062500f, 0.736718750f, 0.734375000f, 0.732031250f, 0.729687500f, 0.727343750f,
521 0.725000000f, 0.722656250f, 0.720312500f, 0.717968750f, 0.715625000f, 0.713281250f, 0.710937500f, 0.708593750f,
522 0.706250000f, 0.703906250f, 0.701562500f, 0.699218750f, 0.696875000f, 0.694531250f, 0.692187500f, 0.689843750f,
523 0.687500000f, 0.685156250f, 0.682812500f, 0.680468750f, 0.678125000f, 0.675781250f, 0.673437500f, 0.671093750f,
524 0.668750000f, 0.666406250f, 0.664062500f, 0.661718750f, 0.659375000f, 0.657031250f, 0.654687500f, 0.652343750f,
525 0.650000000f, 0.647656250f, 0.645312500f, 0.642968750f, 0.640625000f, 0.638281250f, 0.635937500f, 0.633593750f,
526 0.631250000f, 0.628906250f, 0.626562500f, 0.624218750f, 0.621875000f, 0.619531250f, 0.617187500f, 0.614843750f,
527 0.612500000f, 0.610156250f, 0.607812500f, 0.605468750f, 0.603125000f, 0.600781250f, 0.598437500f, 0.596093750f,
528 0.593750000f, 0.591406250f, 0.589062500f, 0.586718750f, 0.584375000f, 0.582031250f, 0.579687500f, 0.577343750f,
529 0.575000000f, 0.572656250f, 0.570312500f, 0.567968750f, 0.565625000f, 0.563281250f, 0.560937500f, 0.558593750f,
530 0.556250000f, 0.553906250f, 0.551562500f, 0.549218750f, 0.546875000f, 0.544531250f, 0.542187500f, 0.539843750f,
531 0.537500000f, 0.535156250f, 0.532812500f, 0.530468750f, 0.528125000f, 0.525781250f, 0.523437500f, 0.521093750f,
532 0.518750000f, 0.516406250f, 0.514062500f, 0.511718750f, 0.509375000f, 0.507031250f, 0.504687500f, 0.502343750f,
533 0.500000000f, 0.496093750f, 0.492187500f, 0.488281250f, 0.484375000f, 0.480468750f, 0.476562500f, 0.472656250f, // center(-6dB)
534 0.468750000f, 0.464843750f, 0.460937500f, 0.457031250f, 0.453125000f, 0.449218750f, 0.445312500f, 0.441406250f,
535 0.437500000f, 0.433593750f, 0.429687500f, 0.425781250f, 0.421875000f, 0.417968750f, 0.414062500f, 0.410156250f,
536 0.406250000f, 0.402343750f, 0.398437500f, 0.394531250f, 0.390625000f, 0.386718750f, 0.382812500f, 0.378906250f,
537 0.375000000f, 0.371093750f, 0.367187500f, 0.363281250f, 0.359375000f, 0.355468750f, 0.351562500f, 0.347656250f,
538 0.343750000f, 0.339843750f, 0.335937500f, 0.332031250f, 0.328125000f, 0.324218750f, 0.320312500f, 0.316406250f,
539 0.312500000f, 0.308593750f, 0.304687500f, 0.300781250f, 0.296875000f, 0.292968750f, 0.289062500f, 0.285156250f,
540 0.281250000f, 0.277343750f, 0.273437500f, 0.269531250f, 0.265625000f, 0.261718750f, 0.257812500f, 0.253906250f,
541 0.250000000f, 0.246093750f, 0.242187500f, 0.238281250f, 0.234375000f, 0.230468750f, 0.226562500f, 0.222656250f,
542 0.218750000f, 0.214843750f, 0.210937500f, 0.207031250f, 0.203125000f, 0.199218750f, 0.195312500f, 0.191406250f,
543 0.187500000f, 0.183593750f, 0.179687500f, 0.175781250f, 0.171875000f, 0.167968750f, 0.164062500f, 0.160156250f,
544 0.156250000f, 0.152343750f, 0.148437500f, 0.144531250f, 0.140625000f, 0.136718750f, 0.132812500f, 0.128906250f,
545 0.125000000f, 0.121093750f, 0.117187500f, 0.113281250f, 0.109375000f, 0.105468750f, 0.101562500f, 0.097656250f,
546 0.093750000f, 0.089843750f, 0.085937500f, 0.082031250f, 0.078125000f, 0.074218750f, 0.070312500f, 0.066406250f,
547 0.062500000f, 0.058593750f, 0.054687500f, 0.050781250f, 0.046875000f, 0.042968750f, 0.039062500f, 0.035156250f,
548 0.031250000f, 0.027343750f, 0.023437500f, 0.019531250f, 0.015625000f, 0.011718750f, 0.007812500f, 0.003906250f,
549 0.000000000f
550 };
551
552 const int PAN_CURVE_NUM = 3;
553 const f32* PanTableTable[ PAN_CURVE_NUM ] =
554 {
555 Pan2RatioTableSqrt,
556 Pan2RatioTableSinCos,
557 Pan2RatioTableLinear
558 };
559 const f32* PanTableTableForSurround[ PAN_CURVE_NUM ] =
560 {
561 Pan2RatioTableSqrtSurround,
562 Pan2RatioTableSinCosSurround,
563 Pan2RatioTableLinearSurround
564 };
565
566 // CalcTick 用
567 #ifdef NW_PLATFORM_CTR
568 class TickCalculator
569 {
570 private:
571 static const int LOG_BUF_SIZE = 20;
572
573 nn::os::Tick m_Ticks[ LOG_BUF_SIZE ];
574 nn::os::Tick m_TmpTick;
575 int m_Counter;
576
577 public:
TickCalculator()578 TickCalculator() : m_Counter( 0 ) {}
579
Calc()580 void Calc()
581 {
582 nn::os::Tick tick2 = nn::os::Tick::GetSystemCurrent();
583 m_Ticks[ m_Counter ] = ( tick2 - m_TmpTick );
584 m_TmpTick = tick2;
585
586 m_Counter += 1;
587 if ( m_Counter == LOG_BUF_SIZE )
588 {
589 char str[300]; str[0] = '\0';
590 for ( int i = 0; i < LOG_BUF_SIZE; i++ )
591 {
592 std::snprintf( str, 300, "%s [%2lld]",
593 str, m_Ticks[i].ToTimeSpan().GetMilliSeconds() );
594 }
595 NN_LOG("%s\n", str );
596 m_Counter = 0;
597 }
598 }
599 };
600 TickCalculator s_TickCalculator;
601 #endif
602
603 } // anonymous namespace
604
605
606
607 // CalcLpfFreq Table 80Hz - 16000Hz
608 // - scale 値は scale = (0.1/3) * idx + 0.135614381 と見なす
609 // - freq 値は RVL_SDK の axvpb.pb.lpf のカットオフ周波数を参考にした
610 const f32 Util::CALC_LPF_FREQ_INTERCEPT = 0.135614381f;
611 const u16 Util::CalcLpfFreqTable[ CALC_LPF_FREQ_TABLE_SIZE ] =
612 {
613 // freq(Hz), scale
614 80, // 0.135614381 == CALC_LPF_FREQ_INTERCEPT
615 100, // 0.167807191
616 128, // 0.203421572
617 160, // 0.235614381
618 200, // 0.267807191
619 256, // 0.303421572
620 320, // 0.335614381
621 400, // 0.367807191
622 500, // 0.400000000
623 640, // 0.435614381
624 800, // 0.467807191
625 1000, // 0.500000000
626 1280, // 0.535614381
627 1600, // 0.567807191
628 2000, // 0.600000000
629 2560, // 0.635614381
630 3200, // 0.667807191
631 4000, // 0.700000000
632 5120, // 0.735614381
633 6400, // 0.767807191
634 8000, // 0.800000000
635 10240, // 0.835614381
636 12800, // 0.867807191
637 16000 // 0.900000000
638 };
639
CalcLpfFreq(f32 scale)640 u16 Util::CalcLpfFreq( f32 scale )
641 {
642 scale = ut::Clamp( scale, 0.0f, 1.0f );
643
644 u16 freq = 0;
645
646 // freq = static_cast<u16>( std::pow( 2.0, ( scale-1.0 ) * 10.0 ) * 32000.0 );
647 // のかわりにテーブルを使用する
648 if ( scale < CALC_LPF_FREQ_INTERCEPT )
649 {
650 freq = CalcLpfFreqTable[0];
651 }
652 else if ( scale >= 0.9f )
653 {
654 freq = CalcLpfFreqTable[CALC_LPF_FREQ_TABLE_SIZE-1];
655 }
656 else
657 {
658 int idx = static_cast<int>( (scale-CALC_LPF_FREQ_INTERCEPT) / (0.1f/3) );
659 freq = CalcLpfFreqTable[ idx ];
660 }
661
662 return freq;
663 }
664
665 #if 0
666 f32 Util::SetPanCurveMax( f32 max )
667 {
668 if ( max > PAN_CURVE_MIN )
669 {
670 s_PanCurveMax = max;
671 }
672 else
673 {
674 s_PanCurveMax = PAN_CURVE_MIN;
675 }
676 return s_PanCurveMax;
677 }
678 f32 Util::GetPanCurveMax()
679 {
680 return s_PanCurveMax;
681 }
682 f32 Util::GetPanCurveMin()
683 {
684 return PAN_CURVE_MIN;
685 }
686 #endif
687
688
CalcPanRatio(f32 pan,const PanInfo & info)689 f32 Util::CalcPanRatio( f32 pan, const PanInfo& info )
690 {
691 pan = ( ut::Clamp( pan, -1.0f, 1.0f ) + 1.0f ) / 2.0f; // 0.0 - 1.0 のスケールに
692
693 const f32* table = NULL;
694 if ( nw::snd::SoundSystem::GetOutputMode() == nw::snd::OUTPUT_MODE_SURROUND )
695 {
696 table = PanTableTableForSurround[ info.curve ];
697 }
698 else
699 {
700 table = PanTableTable[ info.curve ];
701 }
702
703 register f32 ratio = 0.0f;
704 ratio = table[ static_cast<int>( pan * PAN_TABLE_MAX + 0.5f ) ];
705
706 if ( info.centerZeroFlag )
707 {
708 ratio /= table[ PAN_TABLE_CENTER ]; // 中央で1.0倍になるようにする
709 }
710
711 if ( info.zeroClampFlag )
712 {
713 ratio = ut::Clamp( ratio, 0.0f, 1.0f );
714 }
715 else
716 {
717 ratio = ut::Clamp( ratio, 0.0f, 2.0f );
718 }
719
720 return ratio;
721 }
722
CalcSurroundPanRatio(f32 surroundPan,const PanInfo & info)723 f32 Util::CalcSurroundPanRatio( f32 surroundPan, const PanInfo& info )
724 {
725 surroundPan = ut::Clamp( surroundPan, 0.0f, 2.0f ) / 2.0f; // 0.0 - 1.0 のスケールに
726
727 const f32* table = PanTableTable[ info.curve ];
728
729 f32 ratio = table[ static_cast<int>( surroundPan * PAN_TABLE_MAX + 0.5f ) ];
730
731 ratio = ut::Clamp( ratio, 0.0f, 2.0f );
732
733 return ratio;
734 }
735 /*---------------------------------------------------------------------------*
736 Name: CalcPitchRatio
737
738 Description: セント単位系から倍率を求める
739
740 Arguments: pitch : original key からのピッチのずれ(分解能:半音の1/256)
741
742 Returns: ピッチ倍率
743 *---------------------------------------------------------------------------*/
CalcPitchRatio(int pitch_)744 f32 Util::CalcPitchRatio( int pitch_ )
745 {
746 static const int RANGE = PITCH_DIVISION_RANGE * OCTAVE_DIVISION;
747
748 register int pitch = pitch_;
749
750 register int octave = 0;
751 while ( pitch < 0 )
752 {
753 octave--;
754 pitch += RANGE;
755 }
756 while ( pitch >= RANGE )
757 {
758 octave++;
759 pitch -= RANGE;
760 }
761
762 register int note = pitch / PITCH_DIVISION_RANGE;
763 pitch -= note * PITCH_DIVISION_RANGE;
764
765 register f32 ratio = 1.0f;
766 while ( octave > 0 )
767 {
768 ratio *= 2.0f;
769 octave--;
770 }
771 while ( octave < 0 )
772 {
773 ratio /= 2.0f;
774 octave++;
775 }
776
777 if ( note != 0 )
778 {
779 ratio *= NoteTable[note];
780 }
781 if ( pitch != 0 )
782 {
783 ratio *= PitchTable[pitch];
784 }
785
786 return ratio;
787 }
788
CalcVolumeRatio(f32 dB)789 f32 Util::CalcVolumeRatio( f32 dB )
790 {
791 dB = ut::Clamp( dB, -90.4f, 6.0f );
792 int index = static_cast<int>( dB * 10 ) - VOLUME_DB_MIN;
793 return Decibel2RatioTable[ index ];
794 }
795
CalcRandom()796 u16 Util::CalcRandom()
797 {
798 static u32 u = 0x12345678;
799 u = u * 1664525 + 1013904223;
800 return static_cast<u16>( u >> 16 );
801 }
802
803 // 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。
804 // 未ロードの場合、NULL が返ります。
GetWaveFile(u32 waveArchiveId,u32 waveIndex,const SoundArchive & arc,const SoundArchivePlayer & player)805 const void* Util::GetWaveFile(
806 u32 waveArchiveId,
807 u32 waveIndex,
808 const SoundArchive& arc,
809 const SoundArchivePlayer& player )
810 {
811 // 波形アーカイブを取得
812 SoundArchive::WaveArchiveInfo info;
813 if ( ! arc.ReadWaveArchiveInfo( waveArchiveId, &info ) )
814 {
815 return NULL; // ID == warcId の波形アーカイブ情報が見つからない
816 }
817
818 const void* warcFile = player.detail_GetFileAddress( info.fileId );
819 // NW_WARNING( warcFile, "warc(0x%08x) is not loaded.", waveArchiveId );
820 // ↑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
821 if ( warcFile == NULL )
822 {
823 return NULL; // 波形アーカイブが未ロードだった
824 }
825
826 // 波形ファイルを取得
827 WaveArchiveFileReader reader( warcFile, info.isLoadIndividual );
828 const void* waveFile = reader.GetWaveFile( waveIndex );
829 // NOTE: この waveFile を差し替えることができれば、任意の波形で
830 // ノートオンすることができる。
831 NW_WARNING( waveFile, "index(%d) in warc(0x%08x) is not loaded.", waveIndex, waveArchiveId );
832 if ( waveFile == NULL )
833 {
834 return NULL;
835 }
836 return waveFile;
837 }
838
GetWaveFile(u32 waveArchiveId,u32 waveIndex,const SoundArchive & arc,const PlayerHeapDataManager * mgr)839 const void* Util::GetWaveFile(
840 u32 waveArchiveId,
841 u32 waveIndex,
842 const SoundArchive& arc,
843 const PlayerHeapDataManager* mgr )
844 {
845 // 波形アーカイブを取得
846 SoundArchive::WaveArchiveInfo info;
847 if ( ! arc.ReadWaveArchiveInfo( waveArchiveId, &info ) )
848 {
849 return NULL; // ID == warcId の波形アーカイブ情報が見つからない
850 }
851
852 const void* warcFile = mgr->GetFileAddress( info.fileId );
853 NW_WARNING( warcFile, "warc(0x%08x) is not loaded.", waveArchiveId );
854 if ( warcFile == NULL )
855 {
856 return NULL;
857 }
858
859 // 波形ファイルを取得
860 WaveArchiveFileReader reader( warcFile, info.isLoadIndividual );
861 const void* waveFile = reader.GetWaveFile( waveIndex );
862 NW_WARNING( waveFile, "index(%d) in warc(0x%08x) is not loaded.", waveIndex, waveArchiveId );
863 if ( waveFile == NULL )
864 {
865 return NULL;
866 }
867 return waveFile;
868 }
869
IsLoadedWaveArchive(const void * bankFile,const SoundArchive & arc,const SoundArchiveLoader & mgr)870 bool Util::IsLoadedWaveArchive(
871 const void* bankFile,
872 const SoundArchive& arc,
873 const SoundArchiveLoader& mgr )
874 {
875 BankFileReader bankFileReader( bankFile );
876 const Util::WaveIdTable& table = bankFileReader.GetWaveIdTable();
877
878 // 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、
879 // どの波形アーカイブと関連付けられているかがわかる
880 const Util::WaveId* pWaveId = table.GetWaveId( 0 );
881 if ( pWaveId == NULL )
882 {
883 return false;
884 }
885 const void* waveArchiveFile = mgr.detail_GetFileAddressByItemId( pWaveId->waveArchiveId );
886 if ( waveArchiveFile == NULL )
887 {
888 return false;
889 }
890
891 // 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
892 SoundArchive::WaveArchiveInfo warcInfo;
893 bool isReadWarcInfo = arc.ReadWaveArchiveInfo( pWaveId->waveArchiveId, &warcInfo );
894 NW_ASSERTMSG( isReadWarcInfo, "WARC(%08x) is invalid.", pWaveId->waveArchiveId );
895
896 if ( warcInfo.isLoadIndividual )
897 {
898 WaveArchiveFileReader reader( waveArchiveFile, true );
899 for ( u32 i = 0; i < table.GetCount(); i++ )
900 {
901 if ( ! reader.IsLoaded( pWaveId->waveIndex ) )
902 {
903 return false;
904 }
905 }
906 }
907 return true;
908 }
909
IsLoadedWaveArchive(const void * wsdFile,u32 index,const SoundArchive & arc,const SoundArchiveLoader & mgr)910 bool Util::IsLoadedWaveArchive(
911 const void* wsdFile,
912 u32 index,
913 const SoundArchive& arc,
914 const SoundArchiveLoader& mgr )
915 {
916 WaveSoundFileReader reader( wsdFile );
917 WaveSoundNoteInfo noteInfo;
918 bool isReadNoteInfo = reader.ReadNoteInfo( ¬eInfo, index, 0 );
919 NW_ASSERT( isReadNoteInfo );
920
921 // 波形アーカイブファイル取得
922 const void* waveArchiveFile =
923 mgr.detail_GetFileAddressByItemId( noteInfo.waveArchiveId );
924 if ( waveArchiveFile == NULL )
925 {
926 return false;
927 }
928
929 // 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
930 SoundArchive::WaveArchiveInfo warcInfo;
931 bool isReadWarcInfo = arc.ReadWaveArchiveInfo( noteInfo.waveArchiveId, &warcInfo );
932 NW_ASSERTMSG( isReadWarcInfo, "WARC(%08x) is invalid.", noteInfo.waveArchiveId );
933
934 if ( warcInfo.isLoadIndividual )
935 {
936 WaveArchiveFileReader warcReader( waveArchiveFile, true );
937 if ( ! warcReader.IsLoaded( noteInfo.waveIndex ) )
938 {
939 return false;
940 }
941 }
942 return true;
943 }
944
CalcTick()945 void Util::CalcTick()
946 {
947 #ifdef NW_PLATFORM_CTR
948 s_TickCalculator.Calc();
949 #endif /* NW_PLATFORM_CTR */
950 }
951
GetSampleByByte(unsigned long byte,SampleFormat format)952 unsigned long Util::GetSampleByByte( unsigned long byte, SampleFormat format )
953 {
954 unsigned long samples = 0;
955 unsigned long frac;
956
957 switch ( format )
958 {
959 case SAMPLE_FORMAT_DSP_ADPCM:
960 samples = ( byte / 8 ) * 14;
961 frac = ( byte % 8 );
962 if ( frac != 0 )
963 {
964 samples += ( frac - 1 ) * 2 ;
965 }
966 break;
967
968 case SAMPLE_FORMAT_PCM_S8:
969 samples = byte;
970 break;
971
972 /*
973 case SAMPLE_FORMAT_PCM_S16_BE:
974 case SAMPLE_FORMAT_PCM_S16_LE:
975 */
976 case SAMPLE_FORMAT_PCM_S16:
977 samples = ( byte >> 1 );
978 break;
979
980 default:
981 NW_ASSERTMSG( false, "Invalid format\n" );
982 break;
983 }
984
985 return samples;
986 }
987
GetByteBySample(unsigned long samples,SampleFormat format)988 unsigned long Util::GetByteBySample( unsigned long samples, SampleFormat format )
989 {
990 unsigned long byte = 0;
991 unsigned long frac;
992
993 switch ( format )
994 {
995 case SAMPLE_FORMAT_DSP_ADPCM:
996 byte = ( samples / 14 ) * 8;
997 frac = ( samples % 14 );
998 if ( frac != 0 )
999 {
1000 byte += ( ( frac + 1 ) >> 1 ) + 1;
1001 }
1002 break;
1003
1004 case SAMPLE_FORMAT_PCM_S8:
1005 byte = samples;
1006 break;
1007
1008 /*
1009 case SAMPLE_FORMAT_PCM_S16_BE:
1010 case SAMPLE_FORMAT_PCM_S16_LE:
1011 */
1012 case SAMPLE_FORMAT_PCM_S16:
1013 byte = ( samples << 1 );
1014 break;
1015
1016 default:
1017 NW_ASSERTMSG( false, "Invalid format\n" );
1018 break;
1019 }
1020
1021 return byte;
1022 }
1023
1024 } // namespace nw::snd::internal
1025 } // namespace nw::snd
1026 } // namespace nw
1027
1028