Skip to content

F
ffmpeg-mt
Commit 2f9c562f authored by mru's avatar mru
Browse files
Options

DCA: simplify lfe_interpolation_fir() 

This reorders the lfe_fir tables, and drops the mirrored half,
such that the loops in lfe_interpolation_fir() can be simplified.
The new loop structure should be easier to implement with SIMD.
Static data size is reduced by 2kB.
3% faster on Cortex-A8.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22849 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
parent 4eecb89c
Show whitespace changes
Inline Side-by-side
Showing with 211 additions and 1037 deletions
libavcodec/dca.c
View file @ 2f9c562f
...@@ -802,28 +802,37 @@ static void lfe_interpolation_fir(int decimation_select, ...@@ -802,28 +802,37 @@ static void lfe_interpolation_fir(int decimation_select,
int decifactor, k, j; int decifactor, k, j;
const float *prCoeff; const float *prCoeff;
int interp_index = 0; /* Index to the interpolated samples */
int deciindex; int deciindex;
/* Select decimation filter */ /* Select decimation filter */
if (decimation_select == 1) { if (decimation_select == 1) {
decifactor = 128; decifactor = 64;
prCoeff = lfe_fir_128; prCoeff = lfe_fir_128;
} else { } else {
decifactor = 64; decifactor = 32;
prCoeff = lfe_fir_64; prCoeff = lfe_fir_64;
} }
/* Interpolation */ /* Interpolation */
for (deciindex = 0; deciindex < num_deci_sample; deciindex++) { for (deciindex = 0; deciindex < num_deci_sample; deciindex++) {
/* One decimated sample generates decifactor interpolated ones */ float *samples_out2 = samples_out + decifactor;
const float *cf0 = prCoeff;
const float *cf1 = prCoeff + 256;
/* One decimated sample generates 2*decifactor interpolated ones */
for (k = 0; k < decifactor; k++) { for (k = 0; k < decifactor; k++) {
float rTmp = 0.0; float v0 = 0.0;
//FIXME the coeffs are symetric, fix that float v1 = 0.0;
for (j = 0; j < 512 / decifactor; j++) for (j = 0; j < 256 / decifactor; j++) {
rTmp += samples_in[deciindex - j] * prCoeff[k + j * decifactor]; float s = samples_in[-j];
samples_out[interp_index++] = (rTmp * scale) + bias; v0 += s * *cf0++;
v1 += s * *--cf1;
}
*samples_out++ = (v0 * scale) + bias;
*samples_out2++ = (v1 * scale) + bias;
} }
samples_in++;
samples_out += decifactor;
} }
} }
......
libavcodec/dcadata.h
View file @ 2f9c562f
...@@ -7315,1039 +7315,204 @@ DECLARE_ALIGNED(16, static const float, fir_32bands_nonperfect)[] = ...@@ -7315,1039 +7315,204 @@ DECLARE_ALIGNED(16, static const float, fir_32bands_nonperfect)[] =
+1.390191784E-007 +1.390191784E-007
}; };
//FIXME the coeffs are symmetric
static const float lfe_fir_64[] = static const float lfe_fir_64[] =
{ {
2.6584343868307770E-004, 2.658434386830777e-4, 9.029330685734748e-3,
8.1793652498163280E-005, 7.939263433218002e-2, 2.425158768892288e-1,
9.4393239123746760E-005, 3.430179357528686e-1, 2.398228943347931e-1,
1.0821702744578940E-004, 7.746443897485733e-2, 8.622321300208569e-3,
1.2333714403212070E-004, 8.179365249816328e-5, 9.450953453779220e-3,
1.3974857574794440E-004, 8.134882897138596e-2, 2.451938837766648e-1,
1.5759580128360540E-004, 3.429597318172455e-1, 2.371159791946411e-1,
1.7699223826639360E-004, 7.556436210870743e-2, 8.229630999267101e-3,
1.9817386055365200E-004, 9.439323912374676e-5, 9.887560270726680e-3,
2.2118473134469240E-004, 8.333285897970200e-2, 2.478559017181396e-1,
2.4602311896160240E-004, 3.428434133529663e-1, 2.343961596488952e-1,
2.7261159266345200E-004, 7.369252294301987e-2, 7.850865833461285e-3,
3.0138631700538100E-004, 1.082170274457894e-4, 1.033949479460716e-2,
3.3283955417573450E-004, 8.534456789493561e-2, 2.505008876323700e-1,
3.6589911906048660E-004, 3.426689505577088e-1, 2.316644787788391e-1,
4.0182814700528980E-004, 7.184901088476181e-2, 7.485736627131701e-3,
4.4018754852004350E-004, 1.233371440321207e-4, 1.080708485096693e-2,
4.8127761692740020E-004, 8.738376945257187e-2, 2.531278133392334e-1,
5.2524596685543660E-004, 3.424364924430847e-1, 2.289219647645950e-1,
5.7215924607589840E-004, 7.003392279148102e-2, 7.133882027119398e-3,
6.2221300322562460E-004, 1.397485757479444e-4, 1.129068247973919e-2,
6.7555153509601950E-004, 8.945026248693466e-2, 2.557355761528015e-1,
7.3241489008069040E-004, 3.421461284160614e-1, 2.261696159839630e-1,
7.9285167157649990E-004, 6.824731826782227e-2, 6.794991903007030e-3,
8.5701106581836940E-004, 1.575958012836054e-4, 1.179065089672804e-2,
9.2511920956894760E-004, 9.154383838176728e-2, 2.583232223987580e-1,
9.9747709464281800E-004, 3.417979776859284e-1, 2.234084606170654e-1,
1.0739302961155770E-003, 6.648923456668854e-2, 6.468691397458315e-3,
1.1550235794857140E-003, 1.769922382663936e-4, 1.230732165277004e-2,
1.2406768510118130E-003, 9.366425126791000e-2, 2.608896791934967e-1,
1.3312589144334200E-003, 3.413922190666198e-1, 2.206395119428635e-1,
1.4268938684836030E-003, 6.475970894098282e-2, 6.154712289571762e-3,
1.5278297942131760E-003, 1.981738605536520e-4, 1.284105982631445e-2,
1.6342115122824910E-003, 9.581124037504196e-2, 2.634339034557342e-1,
1.7463274998590350E-003, 3.409290313720703e-1, 2.178637981414795e-1,
1.8643775256350640E-003, 6.305878609418869e-2, 5.852684378623962e-3,
1.9886041991412640E-003, 2.211847313446924e-4, 1.339218579232693e-2,
2.1191518753767010E-003, 9.798453748226166e-2, 2.659549415111542e-1,
2.2563596721738580E-003, 3.404086530208588e-1, 2.150822728872299e-1,
2.4004334118217230E-003, 6.138643622398376e-2, 5.562345497310162e-3,
2.5515670422464610E-003, 2.460231189616024e-4, 1.396108977496624e-2,
2.7100932784378530E-003, 1.001838669180870e-1, 2.684516608715058e-1,
2.8761904686689380E-003, 3.398312926292420e-1, 2.122959494590759e-1,
3.0501529108732940E-003, 5.974265560507774e-2, 5.283284001052380e-3,
3.2322725746780640E-003, 2.726115926634520e-4, 1.454808749258518e-2,
3.4227769356220960E-003, 1.024089083075523e-1, 2.709231376647949e-1,
3.6219672765582800E-003, 3.391972482204438e-1, 2.095058411359787e-1,
3.8300913292914630E-003, 5.812742188572884e-2, 5.015311297029257e-3,
4.0474990382790560E-003, 3.013863170053810e-4, 1.515355054289102e-2,
4.2744171805679800E-003, 1.046593263745308e-1, 2.733682692050934e-1,
4.5111598446965220E-003, 3.385068178176880e-1, 2.067128717899322e-1,
4.7580120153725150E-003, 5.654069408774376e-2, 4.758012015372515e-3,
5.0153112970292570E-003, 3.328395541757345e-4, 1.577781140804291e-2,
5.2832840010523800E-003, 1.069347932934761e-1, 2.757860720157624e-1,
5.5623454973101620E-003, 3.377602994441986e-1, 2.039180546998978e-1,
5.8526843786239620E-003, 5.498242005705833e-2, 4.511159844696522e-3,
6.1547122895717620E-003, 3.658991190604866e-4, 1.642123050987720e-2,
6.4686913974583150E-003, 1.092349365353584e-1, 2.781755328178406e-1,
6.7949919030070300E-003, 3.369580209255218e-1, 2.011223286390304e-1,
7.1338820271193980E-003, 5.345252528786659e-2, 4.274417180567980e-3,
7.4857366271317010E-003, 4.018281470052898e-4, 1.708412915468216e-2,
7.8508658334612850E-003, 1.115593686699867e-1, 2.805356979370117e-1,
8.2296309992671010E-003, 3.361004292964936e-1, 1.983266174793244e-1,
8.6223213002085690E-003, 5.195093154907227e-2, 4.047499038279056e-3,
9.0293306857347480E-003, 4.401875485200435e-4, 1.776690222322941e-2,
9.4509534537792200E-003, 1.139076948165894e-1, 2.828655838966370e-1,
9.8875602707266800E-003, 3.351879119873047e-1, 1.955319195985794e-1,
1.0339494794607160E-002, 5.047753453254700e-2, 3.830091329291463e-3,
1.0807084850966930E-002, 4.812776169274002e-4, 1.846982724964619e-2,
1.1290682479739190E-002, 1.162794977426529e-1, 2.851640880107880e-1,
1.1790650896728040E-002, 3.342207968235016e-1, 1.927391141653061e-1,
1.2307321652770040E-002, 4.903224110603333e-2, 3.621967276558280e-3,
1.2841059826314450E-002, 5.252459668554366e-4, 1.919330470263958e-2,
1.3392185792326930E-002, 1.186743453145027e-1, 2.874303460121155e-1,
1.3961089774966240E-002, 3.331996202468872e-1, 1.899491697549820e-1,
1.4548087492585180E-002, 4.761491715908051e-2, 3.422776935622096e-3,
1.5153550542891020E-002, 5.721592460758984e-4, 1.993762329220772e-2,
1.5777811408042910E-002, 1.210917681455612e-1, 2.896633744239807e-1,
1.6421230509877200E-002, 3.321248590946198e-1, 1.871629506349564e-1,
1.7084129154682160E-002, 4.622544348239899e-2, 3.232272574678064e-3,
1.7766902223229410E-002, 6.222130032256246e-4, 2.070316113531590e-2,
1.8469827249646190E-002, 1.235313042998314e-1, 2.918621897697448e-1,
1.9193304702639580E-002, 3.309969604015350e-1, 1.843813359737396e-1,
1.9937623292207720E-002, 4.486365616321564e-2, 3.050152910873294e-3,
2.0703161135315900E-002, 6.755515350960195e-4, 2.149021252989769e-2,
2.1490212529897690E-002, 1.259924471378326e-1, 2.940258979797364e-1,
2.2299138829112050E-002, 3.298164308071136e-1, 1.816052496433258e-1,
2.3130238056182860E-002, 4.352942481637001e-2, 2.876190468668938e-3,
2.3983856663107870E-002, 7.324148900806904e-4, 2.229913882911205e-2,
2.4860285222530360E-002, 1.284746825695038e-1, 2.961534857749939e-1,
2.5759860873222350E-002, 3.285838961601258e-1, 1.788355410099030e-1,
2.6682861149311060E-002, 4.222255200147629e-2, 2.710093278437853e-3,
2.7629608288407320E-002, 7.928516715764999e-4, 2.313023805618286e-2,
2.8600392863154410E-002, 1.309774816036224e-1, 2.982441186904907e-1,
2.9595496132969860E-002, 3.272998929023742e-1, 1.760730892419815e-1,
3.0615204945206640E-002, 4.094288870692253e-2, 2.551567042246461e-3,
3.1659796833992000E-002, 8.570110658183694e-4, 2.398385666310787e-2,
3.2729536294937140E-002, 1.335003077983856e-1, 3.002967536449432e-1,
3.3824689686298370E-002, 3.259649574756622e-1, 1.733186990022659e-1,
3.4945506602525710E-002, 3.969023004174232e-2, 2.400433411821723e-3,
3.6092240363359450E-002, 9.251192095689476e-4, 2.486028522253036e-2,
3.7265110760927200E-002, 1.360425949096680e-1, 3.023106753826142e-1,
3.8464374840259550E-002, 3.245797157287598e-1, 1.705732345581055e-1,
3.9690230041742320E-002, 3.846437484025955e-2, 2.256359672173858e-3,
4.0942888706922530E-002, 9.974770946428180e-4, 2.575986087322235e-2,
4.2222552001476290E-002, 1.386037617921829e-1, 3.042849004268646e-1,
4.3529424816370010E-002, 3.231448531150818e-1, 1.678375005722046e-1,
4.4863656163215640E-002, 3.726511076092720e-2, 2.119151875376701e-3,
4.6225443482398990E-002, 1.073930296115577e-3, 2.668286114931106e-2,
4.7614917159080510E-002, 1.411831974983215e-1, 3.062185347080230e-1,
4.9032241106033330E-002, 3.216609656810760e-1, 1.651122719049454e-1,
5.0477534532547000E-002, 3.609224036335945e-2, 1.988604199141264e-3,
5.1950931549072270E-002, 1.155023579485714e-3, 2.762960828840732e-2,
5.3452525287866590E-002, 1.437802612781525e-1, 3.081108033657074e-1,
5.4982420057058330E-002, 3.201287388801574e-1, 1.623983532190323e-1,
5.6540694087743760E-002, 3.494550660252571e-2, 1.864377525635064e-3,
5.8127421885728840E-002, 1.240676851011813e-3, 2.860039286315441e-2,
5.9742655605077740E-002, 1.463943719863892e-1, 3.099608123302460e-1,
6.1386436223983760E-002, 3.185488879680634e-1, 1.596965193748474e-1,
6.3058786094188690E-002, 3.382468968629837e-2, 1.746327499859035e-3,
6.4759708940982820E-002, 1.331258914433420e-3, 2.959549613296986e-2,
6.6489234566688540E-002, 1.490248143672943e-1, 3.117676973342896e-1,
6.8247318267822270E-002, 3.169221282005310e-1, 1.570075154304504e-1,
7.0033922791481020E-002, 3.272953629493714e-2, 1.634211512282491e-3,
7.1849010884761810E-002, 1.426893868483603e-3, 3.061520494520664e-2,
7.3692522943019870E-002, 1.516709625720978e-1, 3.135308027267456e-1,
7.5564362108707430E-002, 3.152491748332978e-1, 1.543320864439010e-1,
7.7464438974857330E-002, 3.165979683399200e-2, 1.527829794213176e-3,
7.9392634332180020E-002,
8.1348828971385960E-002,
8.3332858979702000E-002,
8.5344567894935610E-002,
8.7383769452571870E-002,
8.9450262486934660E-002,
9.1543838381767280E-002,
9.3664251267910000E-002,
9.5811240375041960E-002,
9.7984537482261660E-002,
1.0018386691808700E-001,
1.0240890830755230E-001,
1.0465932637453080E-001,
1.0693479329347610E-001,
1.0923493653535840E-001,
1.1155936866998670E-001,
1.1390769481658940E-001,
1.1627949774265290E-001,
1.1867434531450270E-001,
1.2109176814556120E-001,
1.2353130429983140E-001,
1.2599244713783260E-001,
1.2847468256950380E-001,
1.3097748160362240E-001,
1.3350030779838560E-001,
1.3604259490966800E-001,
1.3860376179218290E-001,
1.4118319749832150E-001,
1.4378026127815250E-001,
1.4639437198638920E-001,
1.4902481436729430E-001,
1.5167096257209780E-001,
1.5433208644390100E-001,
1.5700751543045040E-001,
1.5969651937484740E-001,
1.6239835321903230E-001,
1.6511227190494540E-001,
1.6783750057220460E-001,
1.7057323455810550E-001,
1.7331869900226590E-001,
1.7607308924198150E-001,
1.7883554100990300E-001,
1.8160524964332580E-001,
1.8438133597373960E-001,
1.8716295063495640E-001,
1.8994916975498200E-001,
1.9273911416530610E-001,
1.9553191959857940E-001,
1.9832661747932440E-001,
2.0112232863903040E-001,
2.0391805469989780E-001,
2.0671287178993220E-001,
2.0950584113597870E-001,
2.1229594945907590E-001,
2.1508227288722990E-001,
2.1786379814147950E-001,
2.2063951194286350E-001,
2.2340846061706540E-001,
2.2616961598396300E-001,
2.2892196476459500E-001,
2.3166447877883910E-001,
2.3439615964889520E-001,
2.3711597919464110E-001,
2.3982289433479310E-001,
2.4251587688922880E-001,
2.4519388377666480E-001,
2.4785590171813960E-001,
2.5050088763237000E-001,
2.5312781333923340E-001,
2.5573557615280150E-001,
2.5832322239875800E-001,
2.6088967919349670E-001,
2.6343390345573420E-001,
2.6595494151115420E-001,
2.6845166087150580E-001,
2.7092313766479490E-001,
2.7336826920509340E-001,
2.7578607201576240E-001,
2.7817553281784060E-001,
2.8053569793701170E-001,
2.8286558389663700E-001,
2.8516408801078800E-001,
2.8743034601211550E-001,
2.8966337442398070E-001,
2.9186218976974480E-001,
2.9402589797973640E-001,
2.9615348577499390E-001,
2.9824411869049070E-001,
3.0029675364494320E-001,
3.0231067538261420E-001,
3.0428490042686460E-001,
3.0621853470802300E-001,
3.0811080336570740E-001,
3.0996081233024600E-001,
3.1176769733428960E-001,
3.1353080272674560E-001,
3.1524917483329780E-001,
3.1692212820053100E-001,
3.1854888796806340E-001,
3.2012873888015740E-001,
3.2166096568107600E-001,
3.2314485311508180E-001,
3.2457971572875980E-001,
3.2596495747566220E-001,
3.2729989290237420E-001,
3.2858389616012580E-001,
3.2981643080711360E-001,
3.3099696040153500E-001,
3.3212485909461980E-001,
3.3319962024688720E-001,
3.3422079682350160E-001,
3.3518791198730470E-001,
3.3610042929649360E-001,
3.3695802092552180E-001,
3.3776029944419860E-001,
3.3850681781768800E-001,
3.3919724822044380E-001,
3.3983129262924200E-001,
3.4040865302085880E-001,
3.4092903137207030E-001,
3.4139221906661980E-001,
3.4179797768592840E-001,
3.4214612841606140E-001,
3.4243649244308470E-001,
3.4266895055770880E-001,
3.4284341335296630E-001,
3.4295973181724550E-001,
3.4301793575286860E-001,
3.4301793575286860E-001,
3.4295973181724550E-001,
3.4284341335296630E-001,
3.4266895055770880E-001,
3.4243649244308470E-001,
3.4214612841606140E-001,
3.4179797768592840E-001,
3.4139221906661980E-001,
3.4092903137207030E-001,
3.4040865302085880E-001,
3.3983129262924200E-001,
3.3919724822044380E-001,
3.3850681781768800E-001,
3.3776029944419860E-001,
3.3695802092552180E-001,
3.3610042929649360E-001,
3.3518791198730470E-001,
3.3422079682350160E-001,
3.3319962024688720E-001,
3.3212485909461980E-001,
3.3099696040153500E-001,
3.2981643080711360E-001,
3.2858389616012580E-001,
3.2729989290237420E-001,
3.2596495747566220E-001,
3.2457971572875980E-001,
3.2314485311508180E-001,
3.2166096568107600E-001,
3.2012873888015740E-001,
3.1854888796806340E-001,
3.1692212820053100E-001,
3.1524917483329780E-001,
3.1353080272674560E-001,
3.1176769733428960E-001,
3.0996081233024600E-001,
3.0811080336570740E-001,
3.0621853470802300E-001,
3.0428490042686460E-001,
3.0231067538261420E-001,
3.0029675364494320E-001,
2.9824411869049070E-001,
2.9615348577499390E-001,
2.9402589797973640E-001,
2.9186218976974480E-001,
2.8966337442398070E-001,
2.8743034601211550E-001,
2.8516408801078800E-001,
2.8286558389663700E-001,
2.8053569793701170E-001,
2.7817553281784060E-001,
2.7578607201576240E-001,
2.7336826920509340E-001,
2.7092313766479490E-001,
2.6845166087150580E-001,
2.6595494151115420E-001,
2.6343390345573420E-001,
2.6088967919349670E-001,
2.5832322239875800E-001,
2.5573557615280150E-001,
2.5312781333923340E-001,
2.5050088763237000E-001,
2.4785590171813960E-001,
2.4519388377666480E-001,
2.4251587688922880E-001,
2.3982289433479310E-001,
2.3711597919464110E-001,
2.3439615964889520E-001,
2.3166447877883910E-001,
2.2892196476459500E-001,
2.2616961598396300E-001,
2.2340846061706540E-001,
2.2063951194286350E-001,
2.1786379814147950E-001,
2.1508227288722990E-001,
2.1229594945907590E-001,
2.0950584113597870E-001,
2.0671287178993220E-001,
2.0391805469989780E-001,
2.0112232863903040E-001,
1.9832661747932440E-001,
1.9553191959857940E-001,
1.9273911416530610E-001,
1.8994916975498200E-001,
1.8716295063495640E-001,
1.8438133597373960E-001,
1.8160524964332580E-001,
1.7883554100990300E-001,
1.7607308924198150E-001,
1.7331869900226590E-001,
1.7057323455810550E-001,
1.6783750057220460E-001,
1.6511227190494540E-001,
1.6239835321903230E-001,
1.5969651937484740E-001,
1.5700751543045040E-001,
1.5433208644390100E-001,
1.5167096257209780E-001,
1.4902481436729430E-001,
1.4639437198638920E-001,
1.4378026127815250E-001,
1.4118319749832150E-001,
1.3860376179218290E-001,
1.3604259490966800E-001,
1.3350030779838560E-001,
1.3097748160362240E-001,
1.2847468256950380E-001,
1.2599244713783260E-001,
1.2353130429983140E-001,
1.2109176814556120E-001,
1.1867434531450270E-001,
1.1627949774265290E-001,
1.1390769481658940E-001,
1.1155936866998670E-001,
1.0923493653535840E-001,
1.0693479329347610E-001,
1.0465932637453080E-001,
1.0240890830755230E-001,
1.0018386691808700E-001,
9.7984537482261660E-002,
9.5811240375041960E-002,
9.3664251267910000E-002,
9.1543838381767280E-002,
8.9450262486934660E-002,
8.7383769452571870E-002,
8.5344567894935610E-002,
8.3332858979702000E-002,
8.1348828971385960E-002,
7.9392634332180020E-002,
7.7464438974857330E-002,
7.5564362108707430E-002,
7.3692522943019870E-002,
7.1849010884761810E-002,
7.0033922791481020E-002,
6.8247318267822270E-002,
6.6489234566688540E-002,
6.4759708940982820E-002,
6.3058786094188690E-002,
6.1386436223983760E-002,
5.9742655605077740E-002,
5.8127421885728840E-002,
5.6540694087743760E-002,
5.4982420057058330E-002,
5.3452525287866590E-002,
5.1950931549072270E-002,
5.0477534532547000E-002,
4.9032241106033330E-002,
4.7614917159080510E-002,
4.6225443482398990E-002,
4.4863656163215640E-002,
4.3529424816370010E-002,
4.2222552001476290E-002,
4.0942888706922530E-002,
3.9690230041742320E-002,
3.8464374840259550E-002,
3.7265110760927200E-002,
3.6092240363359450E-002,
3.4945506602525710E-002,
3.3824689686298370E-002,
3.2729536294937140E-002,
3.1659796833992000E-002,
3.0615204945206640E-002,
2.9595496132969860E-002,
2.8600392863154410E-002,
2.7629608288407320E-002,
2.6682861149311060E-002,
2.5759860873222350E-002,
2.4860285222530360E-002,
2.3983856663107870E-002,
2.3130238056182860E-002,
2.2299138829112050E-002,
2.1490212529897690E-002,
2.0703161135315900E-002,
1.9937623292207720E-002,
1.9193304702639580E-002,
1.8469827249646190E-002,
1.7766902223229410E-002,
1.7084129154682160E-002,
1.6421230509877200E-002,
1.5777811408042910E-002,
1.5153550542891020E-002,
1.4548087492585180E-002,
1.3961089774966240E-002,
1.3392185792326930E-002,
1.2841059826314450E-002,
1.2307321652770040E-002,
1.1790650896728040E-002,
1.1290682479739190E-002,
1.0807084850966930E-002,
1.0339494794607160E-002,
9.8875602707266800E-003,
9.4509534537792200E-003,
9.0293306857347480E-003,
8.6223213002085690E-003,
8.2296309992671010E-003,
7.8508658334612850E-003,
7.4857366271317010E-003,
7.1338820271193980E-003,
6.7949919030070300E-003,
6.4686913974583150E-003,
6.1547122895717620E-003,
5.8526843786239620E-003,
5.5623454973101620E-003,
5.2832840010523800E-003,
5.0153112970292570E-003,
4.7580120153725150E-003,
4.5111598446965220E-003,
4.2744171805679800E-003,
4.0474990382790560E-003,
3.8300913292914630E-003,
3.6219672765582800E-003,
3.4227769356220960E-003,
3.2322725746780640E-003,
3.0501529108732940E-003,
2.8761904686689380E-003,
2.7100932784378530E-003,
2.5515670422464610E-003,
2.4004334118217230E-003,
2.2563596721738580E-003,
2.1191518753767010E-003,
1.9886041991412640E-003,
1.8643775256350640E-003,
1.7463274998590350E-003,
1.6342115122824910E-003,
1.5278297942131760E-003,
1.4268938684836030E-003,
1.3312589144334200E-003,
1.2406768510118130E-003,
1.1550235794857140E-003,
1.0739302961155770E-003,
9.9747709464281800E-004,
9.2511920956894760E-004,
8.5701106581836940E-004,
7.9285167157649990E-004,
7.3241489008069040E-004,
6.7555153509601950E-004,
6.2221300322562460E-004,
5.7215924607589840E-004,
5.2524596685543660E-004,
4.8127761692740020E-004,
4.4018754852004350E-004,
4.0182814700528980E-004,
3.6589911906048660E-004,
3.3283955417573450E-004,
3.0138631700538100E-004,
2.7261159266345200E-004,
2.4602311896160240E-004,
2.2118473134469240E-004,
1.9817386055365200E-004,
1.7699223826639360E-004,
1.5759580128360540E-004,
1.3974857574794440E-004,
1.2333714403212070E-004,
1.0821702744578940E-004,
9.4393239123746760E-005,
8.1793652498163280E-005,
2.6584343868307770E-004
}; };
//FIXME the coeffs are symmetric
static const float lfe_fir_128[] = static const float lfe_fir_128[] =
{ {
0.00053168571, 0.00053168571, 0.15878495574, 0.68603444099, 0.15492856503,
0.00016358691, 0.00016358691, 0.16269733012, 0.68591803312, 0.15112841129,
0.00018878609, 0.00018878609, 0.16666537523, 0.68568539619, 0.14738474786,
0.00021643363, 0.00021643363, 0.17068879306, 0.68533653021, 0.14369773865,
0.00024667382, 0.00024667382, 0.17476719618, 0.68487155437, 0.14006754756,
0.00027949660, 0.00027949660, 0.17890018225, 0.68429082632, 0.13649433851,
0.00031519096, 0.00031519096, 0.18308731914, 0.68359452486, 0.13297818601,
0.00035398375, 0.00035398375, 0.18732811511, 0.68278300762, 0.12951917946,
0.00039634691, 0.00039634691, 0.19162209332, 0.68185669184, 0.12611730397,
0.00044236859, 0.00044236859, 0.19596865773, 0.68081587553, 0.12277261168,
0.00049204525, 0.00049204525, 0.20036731660, 0.67966115475, 0.11948505789,
0.00054522208, 0.00054522208, 0.20481738448, 0.67839306593, 0.11625462025,
0.00060277141, 0.00060277141, 0.20931822062, 0.67701220512, 0.11308115721,
0.00066567765, 0.00066567765, 0.21386915445, 0.67551922798, 0.10996460915,
0.00073179678, 0.00073179678, 0.21846942604, 0.67391467094, 0.10690483451,
0.00080365466, 0.00080365466, 0.22311829031, 0.67219948769, 0.10390164703,
0.00088037323, 0.00088037323, 0.22781492770, 0.67037439346, 0.10095486045,
0.00096255314, 0.00096255314, 0.23255851865, 0.66844022274, 0.09806428105,
0.00105048984, 0.00105048984, 0.23734821379, 0.66639786959, 0.09522963315,
0.00114431616, 0.00114431616, 0.24218304455, 0.66424828768, 0.09245070815,
0.00124442333, 0.00124442333, 0.24706205726, 0.66199249029, 0.08972713351,
0.00135110028, 0.00135110028, 0.25198432803, 0.65963155031, 0.08705867827,
0.00146482687, 0.00146482687, 0.25694879889, 0.65716648102, 0.08444493264,
0.00158570008, 0.00158570008, 0.26195442677, 0.65459835529, 0.08188561350,
0.00171401864, 0.00171401864, 0.26700007915, 0.65192854404, 0.07938029617,
0.00185023469, 0.00185023469, 0.27208462358, 0.64915806055, 0.07692859322,
0.00199495023, 0.00199495023, 0.27720692754, 0.64628833532, 0.07453006506,
0.00214785640, 0.00214785640, 0.28236576915, 0.64332056046, 0.07218432426,
0.00231004250, 0.00231004250, 0.28755992651, 0.64025616646, 0.06989086419,
0.00248134881, 0.00248134881, 0.29278811812, 0.63709646463, 0.06764923781,
0.00266251224, 0.00266251224, 0.29804900289, 0.63384294510, 0.06545893103,
0.00285378192, 0.00285378192, 0.30334126949, 0.63049703836, 0.06331945211,
0.00305565330, 0.00305565330, 0.30866351724, 0.62706029415, 0.06123027951,
0.00326841651, 0.00326841651, 0.31401440501, 0.62353414297, 0.05919086933,
0.00349264755, 0.00349264755, 0.31939238310, 0.61992025375, 0.05720067024,
0.00372874714, 0.00372874714, 0.32479602098, 0.61622029543, 0.05525910854,
0.00397720048, 0.00397720048, 0.33022382855, 0.61243581772, 0.05336561054,
0.00423829490, 0.00423829490, 0.33567428589, 0.60856848955, 0.05151961371,
0.00451271003, 0.00451271003, 0.34114575386, 0.60462015867, 0.04972046614,
0.00480085658, 0.00480085658, 0.34663668275, 0.60059231520, 0.04796761274,
0.00510312291, 0.00510312291, 0.35214546323, 0.59648692608, 0.04626038298,
0.00542017492, 0.00542017492, 0.35767036676, 0.59230577946, 0.04459818453,
0.00575236930, 0.00575236930, 0.36320972443, 0.58805054426, 0.04298033938,
0.00610029325, 0.00610029325, 0.36876192689, 0.58372318745, 0.04140623659,
0.00646453211, 0.00646453211, 0.37432509661, 0.57932555676, 0.03987516090,
0.00684553990, 0.00684553990, 0.37989753485, 0.57485944033, 0.03838652745,
0.00724391919, 0.00724391919, 0.38547745347, 0.57032698393, 0.03693958372,
0.00766016589, 0.00766016589, 0.39106300473, 0.56572991610, 0.03553372994,
0.00809498038, 0.00809498038, 0.39665243030, 0.56107026339, 0.03416819125,
0.00854881573, 0.00854881573, 0.40224379301, 0.55634999275, 0.03284239396,
0.00902230106, 0.00902230106, 0.40783521533, 0.55157101154, 0.03155555204,
0.00951600447, 0.00951600447, 0.41342487931, 0.54673534632, 0.03030703776,
0.01003060210, 0.01003060210, 0.41901078820, 0.54184508324, 0.02909611352,
0.01056654565, 0.01056654565, 0.42459106445, 0.53690224886, 0.02792212367,
0.01112466771, 0.01112466771, 0.43016362190, 0.53190881014, 0.02678431384,
0.01170534454, 0.01170534454, 0.43572667241, 0.52686679363, 0.02568206564,
0.01230939943, 0.01230939943, 0.44127810001, 0.52177828550, 0.02461459488,
0.01293735672, 0.01293735672, 0.44681602716, 0.51664537191, 0.02358125709,
0.01358995494, 0.01358995494, 0.45233830810, 0.51147013903, 0.02258131653,
0.01426773332, 0.01426773332, 0.45784294605, 0.50625455379, 0.02161412500,
0.01497144438, 0.01497144438, 0.46332800388, 0.50100076199, 0.02067894675,
0.01570170000, 0.01570170000, 0.46879136562, 0.49571081996, 0.01977507770,
0.01645922661, 0.01645922661, 0.47423094511, 0.49038675427, 0.01890186779,
0.01724460535, 0.01724460535, 0.47964480519, 0.48503074050, 0.01805862412,
0.01805862412,
0.01890186779,
0.01977507770,
0.02067894675,
0.02161412500,
0.02258131653,
0.02358125709,
0.02461459488,
0.02568206564,
0.02678431384,
0.02792212367,
0.02909611352,
0.03030703776,
0.03155555204,
0.03284239396,
0.03416819125,
0.03553372994,
0.03693958372,
0.03838652745,
0.03987516090,
0.04140623659,
0.04298033938,
0.04459818453,
0.04626038298,
0.04796761274,
0.04972046614,
0.05151961371,
0.05336561054,
0.05525910854,
0.05720067024,
0.05919086933,
0.06123027951,
0.06331945211,
0.06545893103,
0.06764923781,
0.06989086419,
0.07218432426,
0.07453006506,
0.07692859322,
0.07938029617,
0.08188561350,
0.08444493264,
0.08705867827,
0.08972713351,
0.09245070815,
0.09522963315,
0.09806428105,
0.10095486045,
0.10390164703,
0.10690483451,
0.10996460915,
0.11308115721,
0.11625462025,
0.11948505789,
0.12277261168,
0.12611730397,
0.12951917946,
0.13297818601,
0.13649433851,
0.14006754756,
0.14369773865,
0.14738474786,
0.15112841129,
0.15492856503,
0.15878495574,
0.16269733012,
0.16666537523,
0.17068879306,
0.17476719618,
0.17890018225,
0.18308731914,
0.18732811511,
0.19162209332,
0.19596865773,
0.20036731660,
0.20481738448,
0.20931822062,
0.21386915445,
0.21846942604,
0.22311829031,
0.22781492770,
0.23255851865,
0.23734821379,
0.24218304455,
0.24706205726,
0.25198432803,
0.25694879889,
0.26195442677,
0.26700007915,
0.27208462358,
0.27720692754,
0.28236576915,
0.28755992651,
0.29278811812,
0.29804900289,
0.30334126949,
0.30866351724,
0.31401440501,
0.31939238310,
0.32479602098,
0.33022382855,
0.33567428589,
0.34114575386,
0.34663668275,
0.35214546323,
0.35767036676,
0.36320972443,
0.36876192689,
0.37432509661,
0.37989753485,
0.38547745347,
0.39106300473,
0.39665243030,
0.40224379301,
0.40783521533,
0.41342487931,
0.41901078820,
0.42459106445,
0.43016362190,
0.43572667241,
0.44127810001,
0.44681602716,
0.45233830810,
0.45784294605,
0.46332800388,
0.46879136562,
0.47423094511,
0.47964480519,
0.48503074050,
0.49038675427,
0.49571081996,
0.50100076199,
0.50625455379,
0.51147013903,
0.51664537191,
0.52177828550,
0.52686679363,
0.53190881014,
0.53690224886,
0.54184508324,
0.54673534632,
0.55157101154,
0.55634999275,
0.56107026339,
0.56572991610,
0.57032698393,
0.57485944033,
0.57932555676,
0.58372318745,
0.58805054426,
0.59230577946,
0.59648692608,
0.60059231520,
0.60462015867,
0.60856848955,
0.61243581772,
0.61622029543,
0.61992025375,
0.62353414297,
0.62706029415,
0.63049703836,
0.63384294510,
0.63709646463,
0.64025616646,
0.64332056046,
0.64628833532,
0.64915806055,
0.65192854404,
0.65459835529,
0.65716648102,
0.65963155031,
0.66199249029,
0.66424828768,
0.66639786959,
0.66844022274,
0.67037439346,
0.67219948769,
0.67391467094,
0.67551922798,
0.67701220512,
0.67839306593,
0.67966115475,
0.68081587553,
0.68185669184,
0.68278300762,
0.68359452486,
0.68429082632,
0.68487155437,
0.68533653021,
0.68568539619,
0.68591803312,
0.68603444099,
0.68603444099,
0.68591803312,
0.68568539619,
0.68533653021,
0.68487155437,
0.68429082632,
0.68359452486,
0.68278300762,
0.68185669184,
0.68081587553,
0.67966115475,
0.67839306593,
0.67701220512,
0.67551922798,
0.67391467094,
0.67219948769,
0.67037439346,
0.66844022274,
0.66639786959,
0.66424828768,
0.66199249029,
0.65963155031,
0.65716648102,
0.65459835529,
0.65192854404,
0.64915806055,
0.64628833532,
0.64332056046,
0.64025616646,
0.63709646463,
0.63384294510,
0.63049703836,
0.62706029415,
0.62353414297,
0.61992025375,
0.61622029543,
0.61243581772,
0.60856848955,
0.60462015867,
0.60059231520,
0.59648692608,
0.59230577946,
0.58805054426,
0.58372318745,
0.57932555676,
0.57485944033,
0.57032698393,
0.56572991610,
0.56107026339,
0.55634999275,
0.55157101154,
0.54673534632,
0.54184508324,
0.53690224886,
0.53190881014,
0.52686679363,
0.52177828550,
0.51664537191,
0.51147013903,
0.50625455379,
0.50100076199,
0.49571081996,
0.49038675427,
0.48503074050,
0.47964480519,
0.47423094511,
0.46879136562,
0.46332800388,
0.45784294605,
0.45233830810,
0.44681602716,
0.44127810001,
0.43572667241,
0.43016362190,
0.42459106445,
0.41901078820,
0.41342487931,
0.40783521533,
0.40224379301,
0.39665243030,
0.39106300473,
0.38547745347,
0.37989753485,
0.37432509661,
0.36876192689,
0.36320972443,
0.35767036676,
0.35214546323,
0.34663668275,
0.34114575386,
0.33567428589,
0.33022382855,
0.32479602098,
0.31939238310,
0.31401440501,
0.30866351724,
0.30334126949,
0.29804900289,
0.29278811812,
0.28755992651,
0.28236576915,
0.27720692754,
0.27208462358,
0.26700007915,
0.26195442677,
0.25694879889,
0.25198432803,
0.24706205726,
0.24218304455,
0.23734821379,
0.23255851865,
0.22781492770,
0.22311829031,
0.21846942604,
0.21386915445,
0.20931822062,
0.20481738448,
0.20036731660,
0.19596865773,
0.19162209332,
0.18732811511,
0.18308731914,
0.17890018225,
0.17476719618,
0.17068879306,
0.16666537523,
0.16269733012,
0.15878495574,
0.15492856503,
0.15112841129,
0.14738474786,
0.14369773865,
0.14006754756,
0.13649433851,
0.13297818601,
0.12951917946,
0.12611730397,
0.12277261168,
0.11948505789,
0.11625462025,
0.11308115721,
0.10996460915,
0.10690483451,
0.10390164703,
0.10095486045,
0.09806428105,
0.09522963315,
0.09245070815,
0.08972713351,
0.08705867827,
0.08444493264,
0.08188561350,
0.07938029617,
0.07692859322,
0.07453006506,
0.07218432426,
0.06989086419,
0.06764923781,
0.06545893103,
0.06331945211,
0.06123027951,
0.05919086933,
0.05720067024,
0.05525910854,
0.05336561054,
0.05151961371,
0.04972046614,
0.04796761274,
0.04626038298,
0.04459818453,
0.04298033938,
0.04140623659,
0.03987516090,
0.03838652745,
0.03693958372,
0.03553372994,
0.03416819125,
0.03284239396,
0.03155555204,
0.03030703776,
0.02909611352,
0.02792212367,
0.02678431384,
0.02568206564,
0.02461459488,
0.02358125709,
0.02258131653,
0.02161412500,
0.02067894675,
0.01977507770,
0.01890186779,
0.01805862412,
0.01724460535,
0.01645922661,
0.01570170000,
0.01497144438,
0.01426773332,
0.01358995494,
0.01293735672,
0.01230939943,
0.01170534454,
0.01112466771,
0.01056654565,
0.01003060210,
0.00951600447,
0.00902230106,
0.00854881573,
0.00809498038,
0.00766016589,
0.00724391919,
0.00684553990,
0.00646453211,
0.00610029325,
0.00575236930,
0.00542017492,
0.00510312291,
0.00480085658,
0.00451271003,
0.00423829490,
0.00397720048,
0.00372874714,
0.00349264755,
0.00326841651,
0.00305565330,
0.00285378192,
0.00266251224,
0.00248134881,
0.00231004250,
0.00214785640,
0.00199495023,
0.00185023469,
0.00171401864,
0.00158570008,
0.00146482687,
0.00135110028,
0.00124442333,
0.00114431616,
0.00105048984,
0.00096255314,
0.00088037323,
0.00080365466,
0.00073179678,
0.00066567765,
0.00060277141,
0.00054522208,
0.00049204525,
0.00044236859,
0.00039634691,
0.00035398375,
0.00031519096,
0.00027949660,
0.00024667382,
0.00021643363,
0.00018878609,
0.00016358691,
0.00053168571
}; };
/* 10^-(dB/20), with dB being a list of dB values ranging from 0 to -72 */ /* 10^-(dB/20), with dB being a list of dB values ranging from 0 to -72 */
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment