diff options
author | diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2004-09-24 17:31:36 +0000 |
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committer | diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2004-09-24 17:31:36 +0000 |
commit | e1ece5e2eb68c81b1645c9ff989c833c4d67dfd8 (patch) | |
tree | 8553b3a4ef8164d14ff1b4a3f67e57cfa1d8908a /libfaad2/sbr_dct.c | |
parent | 2887bacbdb6bd320e4840fd230e92a59cc74b9ae (diff) | |
download | mpv-e1ece5e2eb68c81b1645c9ff989c833c4d67dfd8.tar.bz2 mpv-e1ece5e2eb68c81b1645c9ff989c833c4d67dfd8.tar.xz |
Update FAAD to a 2.1 beta CVS snapshot from 2004.07.12.
patch by adland <adland123 at yahoo dot com>
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13454 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libfaad2/sbr_dct.c')
-rw-r--r-- | libfaad2/sbr_dct.c | 4420 |
1 files changed, 1940 insertions, 2480 deletions
diff --git a/libfaad2/sbr_dct.c b/libfaad2/sbr_dct.c index dc8fef2d5d..2c4db6201c 100644 --- a/libfaad2/sbr_dct.c +++ b/libfaad2/sbr_dct.c @@ -23,7 +23,7 @@ ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. ** ** Initially modified for use with MPlayer by Arpad Gereöffy on 2003/08/30 -** $Id: sbr_dct.c,v 1.3 2004/06/02 22:59:03 diego Exp $ +** $Id: sbr_dct.c,v 1.4 2004/06/23 13:50:51 diego Exp $ ** detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/ **/ @@ -39,8 +39,758 @@ #include "sbr_dct.h" +void DCT4_32(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30; + real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40; + real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50; + real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60; + real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70; + real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80; + real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90; + real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100; + real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110; + real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120; + real_t f121, f122, f123, f124, f125, f126, f127, f128, f129, f130; + real_t f131, f132, f133, f134, f135, f136, f137, f138, f139, f140; + real_t f141, f142, f143, f144, f145, f146, f147, f148, f149, f150; + real_t f151, f152, f153, f154, f155, f156, f157, f158, f159, f160; + real_t f161, f162, f163, f164, f165, f166, f167, f168, f169, f170; + real_t f171, f172, f173, f174, f175, f176, f177, f178, f179, f180; + real_t f181, f182, f183, f184, f185, f186, f187, f188, f189, f190; + real_t f191, f192, f193, f194, f195, f196, f197, f198, f199, f200; + real_t f201, f202, f203, f204, f205, f206, f207, f208, f209, f210; + real_t f211, f212, f213, f214, f215, f216, f217, f218, f219, f220; + real_t f221, f222, f223, f224, f225, f226, f227, f228, f229, f230; + real_t f231, f232, f233, f234, f235, f236, f237, f238, f239, f240; + real_t f241, f242, f243, f244, f245, f246, f247, f248, f249, f250; + real_t f251, f252, f253, f254, f255, f256, f257, f258, f259, f260; + real_t f261, f262, f263, f264, f265, f266, f267, f268, f269, f270; + real_t f271, f272, f273, f274, f275, f276, f277, f278, f279, f280; + real_t f281, f282, f283, f284, f285, f286, f287, f288, f289, f290; + real_t f291, f292, f293, f294, f295, f296, f297, f298, f299, f300; + real_t f301, f302, f303, f304, f305, f306, f307, f310, f311, f312; + real_t f313, f316, f317, f318, f319, f322, f323, f324, f325, f328; + real_t f329, f330, f331, f334, f335, f336, f337, f340, f341, f342; + real_t f343, f346, f347, f348, f349, f352, f353, f354, f355, f358; + real_t f359, f360, f361, f364, f365, f366, f367, f370, f371, f372; + real_t f373, f376, f377, f378, f379, f382, f383, f384, f385, f388; + real_t f389, f390, f391, f394, f395, f396, f397; + + f0 = x[15] - x[16]; + f1 = x[15] + x[16]; + f2 = MUL_F(FRAC_CONST(0.7071067811865476), f1); + f3 = MUL_F(FRAC_CONST(0.7071067811865476), f0); + f4 = x[8] - x[23]; + f5 = x[8] + x[23]; + f6 = MUL_F(FRAC_CONST(0.7071067811865476), f5); + f7 = MUL_F(FRAC_CONST(0.7071067811865476), f4); + f8 = x[12] - x[19]; + f9 = x[12] + x[19]; + f10 = MUL_F(FRAC_CONST(0.7071067811865476), f9); + f11 = MUL_F(FRAC_CONST(0.7071067811865476), f8); + f12 = x[11] - x[20]; + f13 = x[11] + x[20]; + f14 = MUL_F(FRAC_CONST(0.7071067811865476), f13); + f15 = MUL_F(FRAC_CONST(0.7071067811865476), f12); + f16 = x[14] - x[17]; + f17 = x[14] + x[17]; + f18 = MUL_F(FRAC_CONST(0.7071067811865476), f17); + f19 = MUL_F(FRAC_CONST(0.7071067811865476), f16); + f20 = x[9] - x[22]; + f21 = x[9] + x[22]; + f22 = MUL_F(FRAC_CONST(0.7071067811865476), f21); + f23 = MUL_F(FRAC_CONST(0.7071067811865476), f20); + f24 = x[13] - x[18]; + f25 = x[13] + x[18]; + f26 = MUL_F(FRAC_CONST(0.7071067811865476), f25); + f27 = MUL_F(FRAC_CONST(0.7071067811865476), f24); + f28 = x[10] - x[21]; + f29 = x[10] + x[21]; + f30 = MUL_F(FRAC_CONST(0.7071067811865476), f29); + f31 = MUL_F(FRAC_CONST(0.7071067811865476), f28); + f32 = x[0] - f2; + f33 = x[0] + f2; + f34 = x[31] - f3; + f35 = x[31] + f3; + f36 = x[7] - f6; + f37 = x[7] + f6; + f38 = x[24] - f7; + f39 = x[24] + f7; + f40 = x[3] - f10; + f41 = x[3] + f10; + f42 = x[28] - f11; + f43 = x[28] + f11; + f44 = x[4] - f14; + f45 = x[4] + f14; + f46 = x[27] - f15; + f47 = x[27] + f15; + f48 = x[1] - f18; + f49 = x[1] + f18; + f50 = x[30] - f19; + f51 = x[30] + f19; + f52 = x[6] - f22; + f53 = x[6] + f22; + f54 = x[25] - f23; + f55 = x[25] + f23; + f56 = x[2] - f26; + f57 = x[2] + f26; + f58 = x[29] - f27; + f59 = x[29] + f27; + f60 = x[5] - f30; + f61 = x[5] + f30; + f62 = x[26] - f31; + f63 = x[26] + f31; + f64 = f39 + f37; + f65 = MUL_F(FRAC_CONST(-0.5411961001461969), f39); + f66 = MUL_F(FRAC_CONST(0.9238795325112867), f64); + f67 = MUL_C(COEF_CONST(1.3065629648763766), f37); + f68 = f65 + f66; + f69 = f67 - f66; + f70 = f38 + f36; + f71 = MUL_C(COEF_CONST(1.3065629648763770), f38); + f72 = MUL_F(FRAC_CONST(-0.3826834323650904), f70); + f73 = MUL_F(FRAC_CONST(0.5411961001461961), f36); + f74 = f71 + f72; + f75 = f73 - f72; + f76 = f47 + f45; + f77 = MUL_F(FRAC_CONST(-0.5411961001461969), f47); + f78 = MUL_F(FRAC_CONST(0.9238795325112867), f76); + f79 = MUL_C(COEF_CONST(1.3065629648763766), f45); + f80 = f77 + f78; + f81 = f79 - f78; + f82 = f46 + f44; + f83 = MUL_C(COEF_CONST(1.3065629648763770), f46); + f84 = MUL_F(FRAC_CONST(-0.3826834323650904), f82); + f85 = MUL_F(FRAC_CONST(0.5411961001461961), f44); + f86 = f83 + f84; + f87 = f85 - f84; + f88 = f55 + f53; + f89 = MUL_F(FRAC_CONST(-0.5411961001461969), f55); + f90 = MUL_F(FRAC_CONST(0.9238795325112867), f88); + f91 = MUL_C(COEF_CONST(1.3065629648763766), f53); + f92 = f89 + f90; + f93 = f91 - f90; + f94 = f54 + f52; + f95 = MUL_C(COEF_CONST(1.3065629648763770), f54); + f96 = MUL_F(FRAC_CONST(-0.3826834323650904), f94); + f97 = MUL_F(FRAC_CONST(0.5411961001461961), f52); + f98 = f95 + f96; + f99 = f97 - f96; + f100 = f63 + f61; + f101 = MUL_F(FRAC_CONST(-0.5411961001461969), f63); + f102 = MUL_F(FRAC_CONST(0.9238795325112867), f100); + f103 = MUL_C(COEF_CONST(1.3065629648763766), f61); + f104 = f101 + f102; + f105 = f103 - f102; + f106 = f62 + f60; + f107 = MUL_C(COEF_CONST(1.3065629648763770), f62); + f108 = MUL_F(FRAC_CONST(-0.3826834323650904), f106); + f109 = MUL_F(FRAC_CONST(0.5411961001461961), f60); + f110 = f107 + f108; + f111 = f109 - f108; + f112 = f33 - f68; + f113 = f33 + f68; + f114 = f35 - f69; + f115 = f35 + f69; + f116 = f32 - f74; + f117 = f32 + f74; + f118 = f34 - f75; + f119 = f34 + f75; + f120 = f41 - f80; + f121 = f41 + f80; + f122 = f43 - f81; + f123 = f43 + f81; + f124 = f40 - f86; + f125 = f40 + f86; + f126 = f42 - f87; + f127 = f42 + f87; + f128 = f49 - f92; + f129 = f49 + f92; + f130 = f51 - f93; + f131 = f51 + f93; + f132 = f48 - f98; + f133 = f48 + f98; + f134 = f50 - f99; + f135 = f50 + f99; + f136 = f57 - f104; + f137 = f57 + f104; + f138 = f59 - f105; + f139 = f59 + f105; + f140 = f56 - f110; + f141 = f56 + f110; + f142 = f58 - f111; + f143 = f58 + f111; + f144 = f123 + f121; + f145 = MUL_F(FRAC_CONST(-0.7856949583871021), f123); + f146 = MUL_F(FRAC_CONST(0.9807852804032304), f144); + f147 = MUL_C(COEF_CONST(1.1758756024193588), f121); + f148 = f145 + f146; + f149 = f147 - f146; + f150 = f127 + f125; + f151 = MUL_F(FRAC_CONST(0.2758993792829431), f127); + f152 = MUL_F(FRAC_CONST(0.5555702330196022), f150); + f153 = MUL_C(COEF_CONST(1.3870398453221475), f125); + f154 = f151 + f152; + f155 = f153 - f152; + f156 = f122 + f120; + f157 = MUL_C(COEF_CONST(1.1758756024193591), f122); + f158 = MUL_F(FRAC_CONST(-0.1950903220161287), f156); + f159 = MUL_F(FRAC_CONST(0.7856949583871016), f120); + f160 = f157 + f158; + f161 = f159 - f158; + f162 = f126 + f124; + f163 = MUL_C(COEF_CONST(1.3870398453221473), f126); + f164 = MUL_F(FRAC_CONST(-0.8314696123025455), f162); + f165 = MUL_F(FRAC_CONST(-0.2758993792829436), f124); + f166 = f163 + f164; + f167 = f165 - f164; + f168 = f139 + f137; + f169 = MUL_F(FRAC_CONST(-0.7856949583871021), f139); + f170 = MUL_F(FRAC_CONST(0.9807852804032304), f168); + f171 = MUL_C(COEF_CONST(1.1758756024193588), f137); + f172 = f169 + f170; + f173 = f171 - f170; + f174 = f143 + f141; + f175 = MUL_F(FRAC_CONST(0.2758993792829431), f143); + f176 = MUL_F(FRAC_CONST(0.5555702330196022), f174); + f177 = MUL_C(COEF_CONST(1.3870398453221475), f141); + f178 = f175 + f176; + f179 = f177 - f176; + f180 = f138 + f136; + f181 = MUL_C(COEF_CONST(1.1758756024193591), f138); + f182 = MUL_F(FRAC_CONST(-0.1950903220161287), f180); + f183 = MUL_F(FRAC_CONST(0.7856949583871016), f136); + f184 = f181 + f182; + f185 = f183 - f182; + f186 = f142 + f140; + f187 = MUL_C(COEF_CONST(1.3870398453221473), f142); + f188 = MUL_F(FRAC_CONST(-0.8314696123025455), f186); + f189 = MUL_F(FRAC_CONST(-0.2758993792829436), f140); + f190 = f187 + f188; + f191 = f189 - f188; + f192 = f113 - f148; + f193 = f113 + f148; + f194 = f115 - f149; + f195 = f115 + f149; + f196 = f117 - f154; + f197 = f117 + f154; + f198 = f119 - f155; + f199 = f119 + f155; + f200 = f112 - f160; + f201 = f112 + f160; + f202 = f114 - f161; + f203 = f114 + f161; + f204 = f116 - f166; + f205 = f116 + f166; + f206 = f118 - f167; + f207 = f118 + f167; + f208 = f129 - f172; + f209 = f129 + f172; + f210 = f131 - f173; + f211 = f131 + f173; + f212 = f133 - f178; + f213 = f133 + f178; + f214 = f135 - f179; + f215 = f135 + f179; + f216 = f128 - f184; + f217 = f128 + f184; + f218 = f130 - f185; + f219 = f130 + f185; + f220 = f132 - f190; + f221 = f132 + f190; + f222 = f134 - f191; + f223 = f134 + f191; + f224 = f211 + f209; + f225 = MUL_F(FRAC_CONST(-0.8971675863426361), f211); + f226 = MUL_F(FRAC_CONST(0.9951847266721968), f224); + f227 = MUL_C(COEF_CONST(1.0932018670017576), f209); + f228 = f225 + f226; + f229 = f227 - f226; + f230 = f215 + f213; + f231 = MUL_F(FRAC_CONST(-0.4105245275223571), f215); + f232 = MUL_F(FRAC_CONST(0.8819212643483549), f230); + f233 = MUL_C(COEF_CONST(1.3533180011743529), f213); + f234 = f231 + f232; + f235 = f233 - f232; + f236 = f219 + f217; + f237 = MUL_F(FRAC_CONST(0.1386171691990915), f219); + f238 = MUL_F(FRAC_CONST(0.6343932841636455), f236); + f239 = MUL_C(COEF_CONST(1.4074037375263826), f217); + f240 = f237 + f238; + f241 = f239 - f238; + f242 = f223 + f221; + f243 = MUL_F(FRAC_CONST(0.6666556584777466), f223); + f244 = MUL_F(FRAC_CONST(0.2902846772544623), f242); + f245 = MUL_C(COEF_CONST(1.2472250129866711), f221); + f246 = f243 + f244; + f247 = f245 - f244; + f248 = f210 + f208; + f249 = MUL_C(COEF_CONST(1.0932018670017574), f210); + f250 = MUL_F(FRAC_CONST(-0.0980171403295605), f248); + f251 = MUL_F(FRAC_CONST(0.8971675863426364), f208); + f252 = f249 + f250; + f253 = f251 - f250; + f254 = f214 + f212; + f255 = MUL_C(COEF_CONST(1.3533180011743529), f214); + f256 = MUL_F(FRAC_CONST(-0.4713967368259979), f254); + f257 = MUL_F(FRAC_CONST(0.4105245275223569), f212); + f258 = f255 + f256; + f259 = f257 - f256; + f260 = f218 + f216; + f261 = MUL_C(COEF_CONST(1.4074037375263826), f218); + f262 = MUL_F(FRAC_CONST(-0.7730104533627369), f260); + f263 = MUL_F(FRAC_CONST(-0.1386171691990913), f216); + f264 = f261 + f262; + f265 = f263 - f262; + f266 = f222 + f220; + f267 = MUL_C(COEF_CONST(1.2472250129866711), f222); + f268 = MUL_F(FRAC_CONST(-0.9569403357322089), f266); + f269 = MUL_F(FRAC_CONST(-0.6666556584777469), f220); + f270 = f267 + f268; + f271 = f269 - f268; + f272 = f193 - f228; + f273 = f193 + f228; + f274 = f195 - f229; + f275 = f195 + f229; + f276 = f197 - f234; + f277 = f197 + f234; + f278 = f199 - f235; + f279 = f199 + f235; + f280 = f201 - f240; + f281 = f201 + f240; + f282 = f203 - f241; + f283 = f203 + f241; + f284 = f205 - f246; + f285 = f205 + f246; + f286 = f207 - f247; + f287 = f207 + f247; + f288 = f192 - f252; + f289 = f192 + f252; + f290 = f194 - f253; + f291 = f194 + f253; + f292 = f196 - f258; + f293 = f196 + f258; + f294 = f198 - f259; + f295 = f198 + f259; + f296 = f200 - f264; + f297 = f200 + f264; + f298 = f202 - f265; + f299 = f202 + f265; + f300 = f204 - f270; + f301 = f204 + f270; + f302 = f206 - f271; + f303 = f206 + f271; + f304 = f275 + f273; + f305 = MUL_F(FRAC_CONST(-0.9751575901732920), f275); + f306 = MUL_F(FRAC_CONST(0.9996988186962043), f304); + f307 = MUL_C(COEF_CONST(1.0242400472191164), f273); + y[0] = f305 + f306; + y[31] = f307 - f306; + f310 = f279 + f277; + f311 = MUL_F(FRAC_CONST(-0.8700688593994936), f279); + f312 = MUL_F(FRAC_CONST(0.9924795345987100), f310); + f313 = MUL_C(COEF_CONST(1.1148902097979263), f277); + y[2] = f311 + f312; + y[29] = f313 - f312; + f316 = f283 + f281; + f317 = MUL_F(FRAC_CONST(-0.7566008898816587), f283); + f318 = MUL_F(FRAC_CONST(0.9757021300385286), f316); + f319 = MUL_C(COEF_CONST(1.1948033701953984), f281); + y[4] = f317 + f318; + y[27] = f319 - f318; + f322 = f287 + f285; + f323 = MUL_F(FRAC_CONST(-0.6358464401941451), f287); + f324 = MUL_F(FRAC_CONST(0.9495281805930367), f322); + f325 = MUL_C(COEF_CONST(1.2632099209919283), f285); + y[6] = f323 + f324; + y[25] = f325 - f324; + f328 = f291 + f289; + f329 = MUL_F(FRAC_CONST(-0.5089684416985408), f291); + f330 = MUL_F(FRAC_CONST(0.9142097557035307), f328); + f331 = MUL_C(COEF_CONST(1.3194510697085207), f289); + y[8] = f329 + f330; + y[23] = f331 - f330; + f334 = f295 + f293; + f335 = MUL_F(FRAC_CONST(-0.3771887988789273), f295); + f336 = MUL_F(FRAC_CONST(0.8700869911087114), f334); + f337 = MUL_C(COEF_CONST(1.3629851833384954), f293); + y[10] = f335 + f336; + y[21] = f337 - f336; + f340 = f299 + f297; + f341 = MUL_F(FRAC_CONST(-0.2417766217337384), f299); + f342 = MUL_F(FRAC_CONST(0.8175848131515837), f340); + f343 = MUL_C(COEF_CONST(1.3933930045694289), f297); + y[12] = f341 + f342; + y[19] = f343 - f342; + f346 = f303 + f301; + f347 = MUL_F(FRAC_CONST(-0.1040360035527077), f303); + f348 = MUL_F(FRAC_CONST(0.7572088465064845), f346); + f349 = MUL_C(COEF_CONST(1.4103816894602612), f301); + y[14] = f347 + f348; + y[17] = f349 - f348; + f352 = f274 + f272; + f353 = MUL_F(FRAC_CONST(0.0347065382144002), f274); + f354 = MUL_F(FRAC_CONST(0.6895405447370668), f352); + f355 = MUL_C(COEF_CONST(1.4137876276885337), f272); + y[16] = f353 + f354; + y[15] = f355 - f354; + f358 = f278 + f276; + f359 = MUL_F(FRAC_CONST(0.1731148370459795), f278); + f360 = MUL_F(FRAC_CONST(0.6152315905806268), f358); + f361 = MUL_C(COEF_CONST(1.4035780182072330), f276); + y[18] = f359 + f360; + y[13] = f361 - f360; + f364 = f282 + f280; + f365 = MUL_F(FRAC_CONST(0.3098559453626100), f282); + f366 = MUL_F(FRAC_CONST(0.5349976198870972), f364); + f367 = MUL_C(COEF_CONST(1.3798511851368043), f280); + y[20] = f365 + f366; + y[11] = f367 - f366; + f370 = f286 + f284; + f371 = MUL_F(FRAC_CONST(0.4436129715409088), f286); + f372 = MUL_F(FRAC_CONST(0.4496113296546065), f370); + f373 = MUL_C(COEF_CONST(1.3428356308501219), f284); + y[22] = f371 + f372; + y[9] = f373 - f372; + f376 = f290 + f288; + f377 = MUL_F(FRAC_CONST(0.5730977622997509), f290); + f378 = MUL_F(FRAC_CONST(0.3598950365349881), f376); + f379 = MUL_C(COEF_CONST(1.2928878353697271), f288); + y[24] = f377 + f378; + y[7] = f379 - f378; + f382 = f294 + f292; + f383 = MUL_F(FRAC_CONST(0.6970633083205415), f294); + f384 = MUL_F(FRAC_CONST(0.2667127574748984), f382); + f385 = MUL_C(COEF_CONST(1.2304888232703382), f292); + y[26] = f383 + f384; + y[5] = f385 - f384; + f388 = f298 + f296; + f389 = MUL_F(FRAC_CONST(0.8143157536286401), f298); + f390 = MUL_F(FRAC_CONST(0.1709618887603012), f388); + f391 = MUL_C(COEF_CONST(1.1562395311492424), f296); + y[28] = f389 + f390; + y[3] = f391 - f390; + f394 = f302 + f300; + f395 = MUL_F(FRAC_CONST(0.9237258930790228), f302); + f396 = MUL_F(FRAC_CONST(0.0735645635996674), f394); + f397 = MUL_C(COEF_CONST(1.0708550202783576), f300); + y[30] = f395 + f396; + y[1] = f397 - f396; +} + #ifdef SBR_LOW_POWER +void DCT2_16_unscaled(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f31, f32; + real_t f33, f34, f37, f38, f39, f40, f41, f42, f43, f44; + real_t f45, f46, f47, f48, f49, f51, f53, f54, f57, f58; + real_t f59, f60, f61, f62, f63, f64, f65, f66, f67, f68; + real_t f69, f70, f71, f72, f73, f74, f75, f76, f77, f78; + real_t f79, f80, f81, f82, f83, f84, f85, f86, f87, f88; + real_t f89, f90, f91, f92, f95, f96, f97, f98, f101, f102; + real_t f103, f104, f107, f108, f109, f110; + + f0 = x[0] - x[15]; + f1 = x[0] + x[15]; + f2 = x[1] - x[14]; + f3 = x[1] + x[14]; + f4 = x[2] - x[13]; + f5 = x[2] + x[13]; + f6 = x[3] - x[12]; + f7 = x[3] + x[12]; + f8 = x[4] - x[11]; + f9 = x[4] + x[11]; + f10 = x[5] - x[10]; + f11 = x[5] + x[10]; + f12 = x[6] - x[9]; + f13 = x[6] + x[9]; + f14 = x[7] - x[8]; + f15 = x[7] + x[8]; + f16 = f1 - f15; + f17 = f1 + f15; + f18 = f3 - f13; + f19 = f3 + f13; + f20 = f5 - f11; + f21 = f5 + f11; + f22 = f7 - f9; + f23 = f7 + f9; + f24 = f17 - f23; + f25 = f17 + f23; + f26 = f19 - f21; + f27 = f19 + f21; + f28 = f25 - f27; + y[0] = f25 + f27; + y[8] = MUL_F(f28, FRAC_CONST(0.7071067811865476)); + f31 = f24 + f26; + f32 = MUL_C(f24, COEF_CONST(1.3065629648763766)); + f33 = MUL_F(f31, FRAC_CONST(-0.9238795325112866)); + f34 = MUL_F(f26, FRAC_CONST(-0.5411961001461967)); + y[12] = f32 + f33; + y[4] = f34 - f33; + f37 = f16 + f22; + f38 = MUL_C(f16, COEF_CONST(1.1758756024193588)); + f39 = MUL_F(f37, FRAC_CONST(-0.9807852804032304)); + f40 = MUL_F(f22, FRAC_CONST(-0.7856949583871021)); + f41 = f38 + f39; + f42 = f40 - f39; + f43 = f18 + f20; + f44 = MUL_C(f18, COEF_CONST(1.3870398453221473)); + f45 = MUL_F(f43, FRAC_CONST(-0.8314696123025455)); + f46 = MUL_F(f20, FRAC_CONST(-0.2758993792829436)); + f47 = f44 + f45; + f48 = f46 - f45; + f49 = f42 - f48; + y[2] = f42 + f48; + f51 = MUL_F(f49, FRAC_CONST(0.7071067811865476)); + y[14] = f41 - f47; + f53 = f41 + f47; + f54 = MUL_F(f53, FRAC_CONST(0.7071067811865476)); + y[10] = f51 - f54; + y[6] = f51 + f54; + f57 = f2 - f4; + f58 = f2 + f4; + f59 = f6 - f8; + f60 = f6 + f8; + f61 = f10 - f12; + f62 = f10 + f12; + f63 = MUL_F(f60, FRAC_CONST(0.7071067811865476)); + f64 = f0 - f63; + f65 = f0 + f63; + f66 = f58 + f62; + f67 = MUL_C(f58, COEF_CONST(1.3065629648763766)); + f68 = MUL_F(f66, FRAC_CONST(-0.9238795325112866)); + f69 = MUL_F(f62, FRAC_CONST(-0.5411961001461967)); + f70 = f67 + f68; + f71 = f69 - f68; + f72 = f65 - f71; + f73 = f65 + f71; + f74 = f64 - f70; + f75 = f64 + f70; + f76 = MUL_F(f59, FRAC_CONST(0.7071067811865476)); + f77 = f14 - f76; + f78 = f14 + f76; + f79 = f61 + f57; + f80 = MUL_C(f61, COEF_CONST(1.3065629648763766)); + f81 = MUL_F(f79, FRAC_CONST(-0.9238795325112866)); + f82 = MUL_F(f57, FRAC_CONST(-0.5411961001461967)); + f83 = f80 + f81; + f84 = f82 - f81; + f85 = f78 - f84; + f86 = f78 + f84; + f87 = f77 - f83; + f88 = f77 + f83; + f89 = f86 + f73; + f90 = MUL_F(f86, FRAC_CONST(-0.8971675863426361)); + f91 = MUL_F(f89, FRAC_CONST(0.9951847266721968)); + f92 = MUL_C(f73, COEF_CONST(1.0932018670017576)); + y[1] = f90 + f91; + y[15] = f92 - f91; + f95 = f75 - f88; + f96 = MUL_F(f88, FRAC_CONST(-0.6666556584777466)); + f97 = MUL_F(f95, FRAC_CONST(0.9569403357322089)); + f98 = MUL_C(f75, COEF_CONST(1.2472250129866713)); + y[3] = f97 - f96; + y[13] = f98 - f97; + f101 = f87 + f74; + f102 = MUL_F(f87, FRAC_CONST(-0.4105245275223571)); + f103 = MUL_F(f101, FRAC_CONST(0.8819212643483549)); + f104 = MUL_C(f74, COEF_CONST(1.3533180011743529)); + y[5] = f102 + f103; + y[11] = f104 - f103; + f107 = f72 - f85; + f108 = MUL_F(f85, FRAC_CONST(-0.1386171691990915)); + f109 = MUL_F(f107, FRAC_CONST(0.7730104533627370)); + f110 = MUL_C(f72, COEF_CONST(1.4074037375263826)); + y[7] = f109 - f108; + y[9] = f110 - f109; +} + +void DCT4_16(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30; + real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40; + real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50; + real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60; + real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70; + real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80; + real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90; + real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100; + real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110; + real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120; + real_t f121, f122, f123, f124, f125, f126, f127, f128, f130, f132; + real_t f134, f136, f138, f140, f142, f144, f145, f148, f149, f152; + real_t f153, f156, f157; + + f0 = x[0] + x[15]; + f1 = MUL_C(COEF_CONST(1.0478631305325901), x[0]); + f2 = MUL_F(FRAC_CONST(-0.9987954562051724), f0); + f3 = MUL_F(FRAC_CONST(-0.9497277818777548), x[15]); + f4 = f1 + f2; + f5 = f3 - f2; + f6 = x[2] + x[13]; + f7 = MUL_C(COEF_CONST(1.2130114330978077), x[2]); + f8 = MUL_F(FRAC_CONST(-0.9700312531945440), f6); + f9 = MUL_F(FRAC_CONST(-0.7270510732912803), x[13]); + f10 = f7 + f8; + f11 = f9 - f8; + f12 = x[4] + x[11]; + f13 = MUL_C(COEF_CONST(1.3315443865537255), x[4]); + f14 = MUL_F(FRAC_CONST(-0.9039892931234433), f12); + f15 = MUL_F(FRAC_CONST(-0.4764341996931612), x[11]); + f16 = f13 + f14; + f17 = f15 - f14; + f18 = x[6] + x[9]; + f19 = MUL_C(COEF_CONST(1.3989068359730781), x[6]); + f20 = MUL_F(FRAC_CONST(-0.8032075314806453), f18); + f21 = MUL_F(FRAC_CONST(-0.2075082269882124), x[9]); + f22 = f19 + f20; + f23 = f21 - f20; + f24 = x[8] + x[7]; + f25 = MUL_C(COEF_CONST(1.4125100802019777), x[8]); + f26 = MUL_F(FRAC_CONST(-0.6715589548470187), f24); + f27 = MUL_F(FRAC_CONST(0.0693921705079402), x[7]); + f28 = f25 + f26; + f29 = f27 - f26; + f30 = x[10] + x[5]; + f31 = MUL_C(COEF_CONST(1.3718313541934939), x[10]); + f32 = MUL_F(FRAC_CONST(-0.5141027441932219), f30); + f33 = MUL_F(FRAC_CONST(0.3436258658070501), x[5]); + f34 = f31 + f32; + f35 = f33 - f32; + f36 = x[12] + x[3]; + f37 = MUL_C(COEF_CONST(1.2784339185752409), x[12]); + f38 = MUL_F(FRAC_CONST(-0.3368898533922200), f36); + f39 = MUL_F(FRAC_CONST(0.6046542117908008), x[3]); + f40 = f37 + f38; + f41 = f39 - f38; + f42 = x[14] + x[1]; + f43 = MUL_C(COEF_CONST(1.1359069844201433), x[14]); + f44 = MUL_F(FRAC_CONST(-0.1467304744553624), f42); + f45 = MUL_F(FRAC_CONST(0.8424460355094185), x[1]); + f46 = f43 + f44; + f47 = f45 - f44; + f48 = f5 - f29; + f49 = f5 + f29; + f50 = f4 - f28; + f51 = f4 + f28; + f52 = f11 - f35; + f53 = f11 + f35; + f54 = f10 - f34; + f55 = f10 + f34; + f56 = f17 - f41; + f57 = f17 + f41; + f58 = f16 - f40; + f59 = f16 + f40; + f60 = f23 - f47; + f61 = f23 + f47; + f62 = f22 - f46; + f63 = f22 + f46; + f64 = f48 + f50; + f65 = MUL_C(COEF_CONST(1.1758756024193588), f48); + f66 = MUL_F(FRAC_CONST(-0.9807852804032304), f64); + f67 = MUL_F(FRAC_CONST(-0.7856949583871021), f50); + f68 = f65 + f66; + f69 = f67 - f66; + f70 = f52 + f54; + f71 = MUL_C(COEF_CONST(1.3870398453221475), f52); + f72 = MUL_F(FRAC_CONST(-0.5555702330196022), f70); + f73 = MUL_F(FRAC_CONST(0.2758993792829431), f54); + f74 = f71 + f72; + f75 = f73 - f72; + f76 = f56 + f58; + f77 = MUL_F(FRAC_CONST(0.7856949583871022), f56); + f78 = MUL_F(FRAC_CONST(0.1950903220161283), f76); + f79 = MUL_C(COEF_CONST(1.1758756024193586), f58); + f80 = f77 + f78; + f81 = f79 - f78; + f82 = f60 + f62; + f83 = MUL_F(FRAC_CONST(-0.2758993792829430), f60); + f84 = MUL_F(FRAC_CONST(0.8314696123025452), f82); + f85 = MUL_C(COEF_CONST(1.3870398453221475), f62); + f86 = f83 + f84; + f87 = f85 - f84; + f88 = f49 - f57; + f89 = f49 + f57; + f90 = f51 - f59; + f91 = f51 + f59; + f92 = f53 - f61; + f93 = f53 + f61; + f94 = f55 - f63; + f95 = f55 + f63; + f96 = f69 - f81; + f97 = f69 + f81; + f98 = f68 - f80; + f99 = f68 + f80; + f100 = f75 - f87; + f101 = f75 + f87; + f102 = f74 - f86; + f103 = f74 + f86; + f104 = f88 + f90; + f105 = MUL_C(COEF_CONST(1.3065629648763766), f88); + f106 = MUL_F(FRAC_CONST(-0.9238795325112866), f104); + f107 = MUL_F(FRAC_CONST(-0.5411961001461967), f90); + f108 = f105 + f106; + f109 = f107 - f106; + f110 = f92 + f94; + f111 = MUL_F(FRAC_CONST(0.5411961001461969), f92); + f112 = MUL_F(FRAC_CONST(0.3826834323650898), f110); + f113 = MUL_C(COEF_CONST(1.3065629648763766), f94); + f114 = f111 + f112; + f115 = f113 - f112; + f116 = f96 + f98; + f117 = MUL_C(COEF_CONST(1.3065629648763766), f96); + f118 = MUL_F(FRAC_CONST(-0.9238795325112866), f116); + f119 = MUL_F(FRAC_CONST(-0.5411961001461967), f98); + f120 = f117 + f118; + f121 = f119 - f118; + f122 = f100 + f102; + f123 = MUL_F(FRAC_CONST(0.5411961001461969), f100); + f124 = MUL_F(FRAC_CONST(0.3826834323650898), f122); + f125 = MUL_C(COEF_CONST(1.3065629648763766), f102); + f126 = f123 + f124; + f127 = f125 - f124; + f128 = f89 - f93; + y[0] = f89 + f93; + f130 = f91 - f95; + y[15] = f91 + f95; + f132 = f109 - f115; + y[3] = f109 + f115; + f134 = f108 - f114; + y[12] = f108 + f114; + f136 = f97 - f101; + y[1] = f97 + f101; + f138 = f99 - f103; + y[14] = f99 + f103; + f140 = f121 - f127; + y[2] = f121 + f127; + f142 = f120 - f126; + y[13] = f120 + f126; + f144 = f128 - f130; + f145 = f128 + f130; + y[8] = MUL_F(FRAC_CONST(0.7071067811865474), f144); + y[7] = MUL_F(FRAC_CONST(0.7071067811865474), f145); + f148 = f132 - f134; + f149 = f132 + f134; + y[11] = MUL_F(FRAC_CONST(0.7071067811865474), f148); + y[4] = MUL_F(FRAC_CONST(0.7071067811865474), f149); + f152 = f136 - f138; + f153 = f136 + f138; + y[9] = MUL_F(FRAC_CONST(0.7071067811865474), f152); + y[6] = MUL_F(FRAC_CONST(0.7071067811865474), f153); + f156 = f140 - f142; + f157 = f140 + f142; + y[10] = MUL_F(FRAC_CONST(0.7071067811865474), f156); + y[5] = MUL_F(FRAC_CONST(0.7071067811865474), f157); +} + void DCT3_32_unscaled(real_t *y, real_t *x) { real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; @@ -72,13 +822,13 @@ void DCT3_32_unscaled(real_t *y, real_t *x) real_t f261, f262, f263, f264, f265, f266, f267, f268, f269, f270; real_t f271, f272; - f0 = MUL_C(COEF_CONST(0.7071067811865476), x[16]); + f0 = MUL_F(x[16], FRAC_CONST(0.7071067811865476)); f1 = x[0] - f0; f2 = x[0] + f0; f3 = x[8] + x[24]; - f4 = MUL_C(COEF_CONST(1.3065629648763766), x[8]); - f5 = MUL_C(COEF_CONST((-0.9238795325112866)), f3); - f6 = MUL_C(COEF_CONST((-0.5411961001461967)), x[24]); + f4 = MUL_C(x[8], COEF_CONST(1.3065629648763766)); + f5 = MUL_F(f3, FRAC_CONST((-0.9238795325112866))); + f6 = MUL_F(x[24], FRAC_CONST((-0.5411961001461967))); f7 = f4 + f5; f8 = f6 - f5; f9 = f2 - f8; @@ -86,23 +836,23 @@ void DCT3_32_unscaled(real_t *y, real_t *x) f11 = f1 - f7; f12 = f1 + f7; f13 = x[4] + x[28]; - f14 = MUL_C(COEF_CONST(1.1758756024193588), x[4]); - f15 = MUL_C(COEF_CONST((-0.9807852804032304)), f13); - f16 = MUL_C(COEF_CONST((-0.7856949583871021)), x[28]); + f14 = MUL_C(x[4], COEF_CONST(1.1758756024193588)); + f15 = MUL_F(f13, FRAC_CONST((-0.9807852804032304))); + f16 = MUL_F(x[28], FRAC_CONST((-0.7856949583871021))); f17 = f14 + f15; f18 = f16 - f15; f19 = x[12] + x[20]; - f20 = MUL_C(COEF_CONST(1.3870398453221473), x[12]); - f21 = MUL_C(COEF_CONST((-0.8314696123025455)), f19); - f22 = MUL_C(COEF_CONST((-0.2758993792829436)), x[20]); + f20 = MUL_C(x[12], COEF_CONST(1.3870398453221473)); + f21 = MUL_F(f19, FRAC_CONST((-0.8314696123025455))); + f22 = MUL_F(x[20], FRAC_CONST((-0.2758993792829436))); f23 = f20 + f21; f24 = f22 - f21; f25 = f18 - f24; f26 = f18 + f24; - f27 = MUL_C(COEF_CONST(0.7071067811865476), f25); + f27 = MUL_F(f25, FRAC_CONST(0.7071067811865476)); f28 = f17 - f23; f29 = f17 + f23; - f30 = MUL_C(COEF_CONST(0.7071067811865476), f29); + f30 = MUL_F(f29, FRAC_CONST(0.7071067811865476)); f31 = f27 - f30; f32 = f27 + f30; f33 = f10 - f26; @@ -114,27 +864,27 @@ void DCT3_32_unscaled(real_t *y, real_t *x) f39 = f9 - f28; f40 = f9 + f28; f41 = x[2] + x[30]; - f42 = MUL_C(COEF_CONST(1.0932018670017569), x[2]); - f43 = MUL_C(COEF_CONST((-0.9951847266721969)), f41); - f44 = MUL_C(COEF_CONST((-0.8971675863426368)), x[30]); + f42 = MUL_C(x[2], COEF_CONST(1.0932018670017569)); + f43 = MUL_F(f41, FRAC_CONST((-0.9951847266721969))); + f44 = MUL_F(x[30], FRAC_CONST((-0.8971675863426368))); f45 = f42 + f43; f46 = f44 - f43; f47 = x[6] + x[26]; - f48 = MUL_C(COEF_CONST(1.2472250129866711), x[6]); - f49 = MUL_C(COEF_CONST((-0.9569403357322089)), f47); - f50 = MUL_C(COEF_CONST((-0.6666556584777469)), x[26]); + f48 = MUL_C(x[6], COEF_CONST(1.2472250129866711)); + f49 = MUL_F(f47, FRAC_CONST((-0.9569403357322089))); + f50 = MUL_F(x[26], FRAC_CONST((-0.6666556584777469))); f51 = f48 + f49; f52 = f50 - f49; f53 = x[10] + x[22]; - f54 = MUL_C(COEF_CONST(1.3533180011743526), x[10]); - f55 = MUL_C(COEF_CONST((-0.8819212643483551)), f53); - f56 = MUL_C(COEF_CONST((-0.4105245275223575)), x[22]); + f54 = MUL_C(x[10], COEF_CONST(1.3533180011743526)); + f55 = MUL_F(f53, FRAC_CONST((-0.8819212643483551))); + f56 = MUL_F(x[22], FRAC_CONST((-0.4105245275223575))); f57 = f54 + f55; f58 = f56 - f55; f59 = x[14] + x[18]; - f60 = MUL_C(COEF_CONST(1.4074037375263826), x[14]); - f61 = MUL_C(COEF_CONST((-0.7730104533627369)), f59); - f62 = MUL_C(COEF_CONST((-0.1386171691990913)), x[18]); + f60 = MUL_C(x[14], COEF_CONST(1.4074037375263826)); + f61 = MUL_F(f59, FRAC_CONST((-0.7730104533627369))); + f62 = MUL_F(x[18], FRAC_CONST((-0.1386171691990913))); f63 = f60 + f61; f64 = f62 - f61; f65 = f46 - f64; @@ -143,11 +893,11 @@ void DCT3_32_unscaled(real_t *y, real_t *x) f68 = f52 + f58; f69 = f66 - f68; f70 = f66 + f68; - f71 = MUL_C(COEF_CONST(0.7071067811865476), f69); + f71 = MUL_F(f69, FRAC_CONST(0.7071067811865476)); f72 = f65 + f67; - f73 = MUL_C(COEF_CONST(1.3065629648763766), f65); - f74 = MUL_C(COEF_CONST((-0.9238795325112866)), f72); - f75 = MUL_C(COEF_CONST((-0.5411961001461967)), f67); + f73 = MUL_C(f65, COEF_CONST(1.3065629648763766)); + f74 = MUL_F(f72, FRAC_CONST((-0.9238795325112866))); + f75 = MUL_F(f67, FRAC_CONST((-0.5411961001461967))); f76 = f73 + f74; f77 = f75 - f74; f78 = f45 - f63; @@ -155,14 +905,14 @@ void DCT3_32_unscaled(real_t *y, real_t *x) f80 = f51 - f57; f81 = f51 + f57; f82 = f79 + f81; - f83 = MUL_C(COEF_CONST(1.3065629648763770), f79); - f84 = MUL_C(COEF_CONST((-0.3826834323650904)), f82); - f85 = MUL_C(COEF_CONST(0.5411961001461961), f81); + f83 = MUL_C(f79, COEF_CONST(1.3065629648763770)); + f84 = MUL_F(f82, FRAC_CONST((-0.3826834323650904))); + f85 = MUL_F(f81, FRAC_CONST(0.5411961001461961)); f86 = f83 + f84; f87 = f85 - f84; f88 = f78 - f80; f89 = f78 + f80; - f90 = MUL_C(COEF_CONST(0.7071067811865476), f89); + f90 = MUL_F(f89, FRAC_CONST(0.7071067811865476)); f91 = f77 - f87; f92 = f77 + f87; f93 = f71 - f90; @@ -186,51 +936,51 @@ void DCT3_32_unscaled(real_t *y, real_t *x) f111 = f33 - f88; f112 = f33 + f88; f113 = x[1] + x[31]; - f114 = MUL_C(COEF_CONST(1.0478631305325901), x[1]); - f115 = MUL_C(COEF_CONST((-0.9987954562051724)), f113); - f116 = MUL_C(COEF_CONST((-0.9497277818777548)), x[31]); + f114 = MUL_C(x[1], COEF_CONST(1.0478631305325901)); + f115 = MUL_F(f113, FRAC_CONST((-0.9987954562051724))); + f116 = MUL_F(x[31], FRAC_CONST((-0.9497277818777548))); f117 = f114 + f115; f118 = f116 - f115; f119 = x[5] + x[27]; - f120 = MUL_C(COEF_CONST(1.2130114330978077), x[5]); - f121 = MUL_C(COEF_CONST((-0.9700312531945440)), f119); - f122 = MUL_C(COEF_CONST((-0.7270510732912803)), x[27]); + f120 = MUL_C(x[5], COEF_CONST(1.2130114330978077)); + f121 = MUL_F(f119, FRAC_CONST((-0.9700312531945440))); + f122 = MUL_F(x[27], FRAC_CONST((-0.7270510732912803))); f123 = f120 + f121; f124 = f122 - f121; f125 = x[9] + x[23]; - f126 = MUL_C(COEF_CONST(1.3315443865537255), x[9]); - f127 = MUL_C(COEF_CONST((-0.9039892931234433)), f125); - f128 = MUL_C(COEF_CONST((-0.4764341996931612)), x[23]); + f126 = MUL_C(x[9], COEF_CONST(1.3315443865537255)); + f127 = MUL_F(f125, FRAC_CONST((-0.9039892931234433))); + f128 = MUL_F(x[23], FRAC_CONST((-0.4764341996931612))); f129 = f126 + f127; f130 = f128 - f127; f131 = x[13] + x[19]; - f132 = MUL_C(COEF_CONST(1.3989068359730781), x[13]); - f133 = MUL_C(COEF_CONST((-0.8032075314806453)), f131); - f134 = MUL_C(COEF_CONST((-0.2075082269882124)), x[19]); + f132 = MUL_C(x[13], COEF_CONST(1.3989068359730781)); + f133 = MUL_F(f131, FRAC_CONST((-0.8032075314806453))); + f134 = MUL_F(x[19], FRAC_CONST((-0.2075082269882124))); f135 = f132 + f133; f136 = f134 - f133; f137 = x[17] + x[15]; - f138 = MUL_C(COEF_CONST(1.4125100802019777), x[17]); - f139 = MUL_C(COEF_CONST((-0.6715589548470187)), f137); - f140 = MUL_C(COEF_CONST(0.0693921705079402), x[15]); + f138 = MUL_C(x[17], COEF_CONST(1.4125100802019777)); + f139 = MUL_F(f137, FRAC_CONST((-0.6715589548470187))); + f140 = MUL_F(x[15], FRAC_CONST(0.0693921705079402)); |