95 lines
5.2 KiB
C
95 lines
5.2 KiB
C
/* SoX Resampler Library Copyright (c) 2007-16 robs@users.sourceforge.net
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* Licence for this file: LGPL v2.1 See LICENCE for details. */
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static float const half_fir_coefs[] = {
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0.471112154f, 0.316907549f, 0.0286963396f, -0.101927032f,
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-0.0281272982f, 0.0568029535f, 0.027196876f, -0.0360795942f,
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-0.0259313561f, 0.023641162f, 0.0243660538f, -0.0151238564f,
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-0.0225440668f, 0.00886927471f, 0.0205146088f, -0.00411434209f,
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-0.0183312132f, 0.000458525335f, 0.0160497772f, 0.00233248286f,
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-0.0137265989f, -0.0044106884f, 0.011416442f, 0.005885487f,
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-0.00917074467f, -0.00684373006f, 0.00703601669f, 0.00736018933f,
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-0.00505250698f, -0.00750298261f, 0.00325317131f, 0.00733618346f,
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-0.00166298445f, -0.00692082025f, 0.000298598848f, 0.00631493711f,
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0.000831644129f, -0.0055731438f, -0.00172737872f, 0.00474591812f,
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0.0023955814f, -0.0038788491f, -0.00284969263f, 0.00301194082f,
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0.00310854264f, -0.00217906496f, -0.00319514679f, 0.00140761062f,
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0.00313542959f, -0.000718361916f, -0.00295694328f, 0.000125607323f,
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0.00268763625f, 0.000362527878f, -0.00235472525f, -0.000743552559f,
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0.00198371228f, 0.00101991741f, -0.0015975797f, -0.00119820218f,
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0.00121618271f, 0.0012882279f, -0.000855849209f, -0.00130214036f,
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0.000529184474f, 0.00125350876f, -0.000245067778f, -0.00115647977f,
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8.82118676e-06f, 0.00102502052f, 0.000177478031f, -0.000872275256f,
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-0.000314572995f, 0.000710055602f, 0.000405526007f, -0.000548470439f,
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-0.000455174442f, 0.000395698685f, 0.000469579667f, -0.000257895884f,
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-0.000455495078f, 0.000139222702f, 0.000419883982f, -4.19753541e-05f,
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-0.00036950051f, -3.32020844e-05f, 0.000310554015f, 8.7050045e-05f,
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-0.000248456595f, -0.000121389974f, 0.000187662656f, 0.000138813233f,
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-0.000131587954f, -0.000142374865f, 8.26090549e-05f, 0.000135318039f,
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-4.21208043e-05f, -0.000120830917f, 1.06505085e-05f, 0.00010185819f,
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1.20015129e-05f, -8.09558888e-05f, -2.65925299e-05f, 6.02101571e-05f,
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3.42775752e-05f, -4.11911155e-05f, -3.64462477e-05f, 2.49654252e-05f,
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3.46090513e-05f, -1.21078107e-05f, -3.03027209e-05f, 2.73562006e-06f,
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2.51329043e-05f, 3.66157998e-06f, -2.0990973e-05f, -9.38752332e-06f,
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2.07133365e-05f, 3.2060847e-05f, 1.98462364e-05f, 4.90328648e-06f,
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-5.28550107e-07f,
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};
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static float const fast_half_fir_coefs[] = {
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0.309418476f, -0.0819805418f, 0.0305513441f, -0.0101582224f,
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0.00251293175f, -0.000346895324f,
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};
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static float const coefs0_d[] = {
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0.f, 1.40520362e-05f, 2.32939994e-05f, 4.00699869e-05f, 6.18938797e-05f,
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8.79406317e-05f, 0.000116304226f, 0.000143862785f, 0.000166286173f,
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0.000178229431f, 0.00017374107f, 0.00014689118f, 9.25928444e-05f,
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7.55567388e-06f, -0.000108723934f, -0.000253061416f, -0.000417917952f,
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-0.000591117466f, -0.000756082504f, -0.000892686881f, -0.000978762367f,
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-0.000992225841f, -0.00091370246f, -0.000729430325f, -0.000434153678f,
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-3.36489703e-05f, 0.000453499646f, 0.000995243588f, 0.00154683724f,
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0.00205322353f, 0.00245307376f, 0.0026843294f, 0.0026908874f,
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0.00242986868f, 0.00187874742f, 0.00104150259f, -4.70759945e-05f,
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-0.00131972748f, -0.00267834298f, -0.00399923407f, -0.00514205849f,
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-0.00596200535f, -0.00632441105f, -0.00612058374f, -0.00528328869f,
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-0.00380015804f, -0.0017232609f, 0.000826765169f, 0.0036632503f,
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0.00654337507f, 0.00918536843f, 0.0112922007f, 0.0125801323f,
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0.0128097433f, 0.0118164904f, 0.00953750551f, 0.00603133188f,
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0.00148762708f, -0.00377544588f, -0.009327395f, -0.014655127f,
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-0.0192047839f, -0.0224328082f, -0.0238620596f, -0.0231377935f,
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-0.0200777417f, -0.0147104883f, -0.00729690011f, 0.0016694689f,
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0.0114853672f, 0.02128446f, 0.0301054204f, 0.03697694f,
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0.0410129138f, 0.0415093321f, 0.0380333749f, 0.0304950299f,
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0.0191923285f, 0.00482304203f, -0.0115416941f, -0.0285230397f,
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-0.0445368533f, -0.0579264573f, -0.0671158215f, -0.070770308f,
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-0.0679502076f, -0.0582416438f, -0.0418501969f, -0.0196448429f,
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0.00685658762f, 0.0355644891f, 0.0639556622f, 0.0892653703f,
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0.108720484f, 0.11979613f, 0.120474745f, 0.109484562f,
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0.0864946948f, 0.0522461633f, 0.00860233712f, -0.041491734f,
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-0.0941444939f, -0.144742955f, -0.188255118f, -0.219589829f,
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-0.233988169f, -0.227416437f, -0.196929062f, -0.140970726f,
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-0.0595905561f, 0.0454527813f, 0.170708227f, 0.311175511f,
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0.460568159f, 0.61168037f, 0.756833088f, 0.888367707f,
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0.999151395f, 1.08305644f, 1.13537741f, 1.15315438f,
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};
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static float const coefs0_u[] = {
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0.f, 2.4378013e-05f, 9.70782157e-05f, 0.000256572953f, 0.000527352928f,
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0.000890796838f, 0.00124949518f, 0.00140604793f, 0.00107945998f,
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-2.15586031e-05f, -0.00206589462f, -0.00493342625f, -0.00807135101f,
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-0.0104515787f, -0.0107039866f, -0.00746258988f, 0.000109078838f,
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0.0117345872f, 0.0255795186f, 0.0381690155f, 0.0448461522f,
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0.0408218138f, 0.0226797758f, -0.00999595371f, -0.0533441602f,
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-0.0987927774f, -0.133827418f, -0.144042973f, -0.116198269f,
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-0.0416493482f, 0.0806808506f, 0.242643854f, 0.427127981f,
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0.610413245f, 0.766259257f, 0.8708884f, 0.907742029f,
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};
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static float const iir_coefs[] = {
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0.0262852045f, 0.0998310478f, 0.206865061f, 0.330224134f,
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0.454420362f, 0.568578357f, 0.666944466f, 0.747869771f,
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0.812324404f, 0.8626001f, 0.901427744f, 0.931486057f,
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0.955191529f, 0.974661783f, 0.991776305f,
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};
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