| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| /* |
| |
| Pathname: mdct_tables_fxp.c |
| Funtions: |
| |
| ------------------------------------------------------------------------------ |
| REVISION HISTORY |
| |
| Description: Created from fft_rx2.c |
| |
| Description: Modified to include forward and inverse tables |
| |
| Who: Date: |
| Description: |
| |
| ------------------------------------------------------------------------------ |
| MODULE DESCRIPTION |
| |
| MDCT rotation tables fixpoint tables |
| |
| For a table with N complex points: |
| |
| cos_n + j*sin_n == exp(j(2pi/N)(n+1/8)) |
| |
| ------------------------------------------------------------------------------ |
| */ |
| |
| |
| /*---------------------------------------------------------------------------- |
| ; INCLUDES |
| ----------------------------------------------------------------------------*/ |
| #include "pv_audio_type_defs.h" |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /*---------------------------------------------------------------------------- |
| ; MACROS |
| ; Define module specific macros here |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; DEFINES |
| ; Include all pre-processor statements here. Include conditional |
| ; compile variables also. |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; LOCAL FUNCTION DEFINITIONS |
| ; Function Prototype declaration |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; LOCAL VARIABLE DEFINITIONS |
| ; Variable declaration - defined here and used outside this module |
| ----------------------------------------------------------------------------*/ |
| |
| |
| /*---------------------------------------------------------------------------- |
| ; EXTERNAL FUNCTION REFERENCES |
| ; Declare functions defined elsewhere and referenced in this module |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; EXTERNAL VARIABLES REFERENCES |
| ; Declare variables used in this module but defined elsewhere |
| ----------------------------------------------------------------------------*/ |
| |
| |
| |
| |
| extern const Int32 exp_rotation_N_256[64] = |
| { |
| |
| 0x5A820047, 0x5A7A0280, 0x5A6304B8, 0x5A3E06EF, |
| 0x5A0C0926, 0x59CB0B5B, 0x597D0D8E, 0x59210FBF, |
| 0x58B711EE, 0x5840141A, 0x57BB1643, 0x57281868, |
| 0x56881A8A, 0x55DB1CA8, 0x55201EC1, 0x545820D5, |
| 0x538322E5, 0x52A224EF, 0x51B326F3, 0x50B828F1, |
| 0x4FB12AE9, 0x4E9D2CDA, 0x4D7D2EC5, 0x4C5230A8, |
| 0x4B1A3284, 0x49D73458, 0x48883624, 0x472F37E7, |
| 0x45CA39A2, 0x445A3B54, 0x42E03CFD, 0x415C3E9C, |
| 0x3FCE4032, 0x3E3541BE, 0x3C944340, 0x3AE844B7, |
| 0x39344624, 0x37774786, 0x35B148DD, 0x33E44A29, |
| 0x320E4B69, 0x30304C9E, 0x2E4B4DC6, 0x2C5F4EE3, |
| 0x2A6C4FF4, 0x287250F8, 0x267251F0, 0x246D52DB, |
| 0x226153BA, 0x2051548B, 0x1E3B5550, 0x1C215607, |
| 0x1A0256B1, 0x17DF574E, 0x15B957DD, 0x138F585F, |
| 0x116358D3, 0x0F335939, 0x0D015992, 0x0ACE59DD, |
| 0x08985A1A, 0x06625A49, 0x042A5A6A, 0x01F25A7D |
| }; |
| |
| |
| |
| |
| |
| |
| extern const Int32 exp_rotation_N_2048[512] = |
| { |
| |
| 0x5A820009, 0x5A820050, 0x5A820097, 0x5A8100DE, |
| 0x5A810125, 0x5A80016C, 0x5A7E01B3, 0x5A7D01FA, |
| 0x5A7B0242, 0x5A790289, 0x5A7702D0, 0x5A750317, |
| 0x5A72035E, 0x5A7003A5, 0x5A6D03EC, 0x5A6A0433, |
| 0x5A66047A, 0x5A6304C1, 0x5A5F0508, 0x5A5B054F, |
| 0x5A560596, 0x5A5205DD, 0x5A4D0624, 0x5A48066A, |
| 0x5A4306B1, 0x5A3E06F8, 0x5A38073F, 0x5A320786, |
| 0x5A2C07CD, 0x5A260814, 0x5A20085A, 0x5A1908A1, |
| 0x5A1208E8, 0x5A0B092F, 0x5A040975, 0x59FC09BC, |
| 0x59F40A03, 0x59EC0A49, 0x59E40A90, 0x59DC0AD7, |
| 0x59D30B1D, 0x59CA0B64, 0x59C10BAA, 0x59B80BF1, |
| 0x59AE0C37, 0x59A50C7E, 0x599B0CC4, 0x59910D0A, |
| 0x59860D51, 0x597C0D97, 0x59710DDD, 0x59660E23, |
| 0x595B0E6A, 0x594F0EB0, 0x59440EF6, 0x59380F3C, |
| 0x592C0F82, 0x59200FC8, 0x5913100E, 0x59061054, |
| 0x58F9109A, 0x58EC10E0, 0x58DF1126, 0x58D1116B, |
| 0x58C411B1, 0x58B611F7, 0x58A7123C, 0x58991282, |
| 0x588A12C8, 0x587B130D, 0x586C1353, 0x585D1398, |
| 0x584E13DD, 0x583E1423, 0x582E1468, 0x581E14AD, |
| 0x580D14F2, 0x57FD1538, 0x57EC157D, 0x57DB15C2, |
| 0x57CA1607, 0x57B9164C, 0x57A71690, 0x579516D5, |
| 0x5783171A, 0x5771175F, 0x575E17A3, 0x574C17E8, |
| 0x5739182C, 0x57261871, 0x571218B5, 0x56FF18FA, |
| 0x56EB193E, 0x56D71982, 0x56C319C6, 0x56AF1A0A, |
| 0x569A1A4F, 0x56851A93, 0x56701AD6, 0x565B1B1A, |
| 0x56461B5E, 0x56301BA2, 0x561A1BE5, 0x56041C29, |
| 0x55EE1C6D, 0x55D81CB0, 0x55C11CF3, 0x55AA1D37, |
| 0x55931D7A, 0x557C1DBD, 0x55651E00, 0x554D1E43, |
| 0x55351E86, 0x551D1EC9, 0x55051F0C, 0x54EC1F4F, |
| 0x54D31F91, 0x54BB1FD4, 0x54A12016, 0x54882059, |
| 0x546F209B, 0x545520DE, 0x543B2120, 0x54212162, |
| 0x540721A4, 0x53EC21E6, 0x53D12228, 0x53B62269, |
| 0x539B22AB, 0x538022ED, 0x5364232E, 0x53492370, |
| 0x532D23B1, 0x531123F2, 0x52F42434, 0x52D82475, |
| 0x52BB24B6, 0x529E24F7, 0x52812538, 0x52642578, |
| 0x524625B9, 0x522825FA, 0x520B263A, 0x51EC267A, |
| 0x51CE26BB, 0x51B026FB, 0x5191273B, 0x5172277B, |
| 0x515327BB, 0x513427FB, 0x5114283A, 0x50F4287A, |
| 0x50D428BA, 0x50B428F9, 0x50942938, 0x50742978, |
| 0x505329B7, 0x503229F6, 0x50112A35, 0x4FF02A74, |
| 0x4FCE2AB2, 0x4FAD2AF1, 0x4F8B2B2F, 0x4F692B6E, |
| 0x4F472BAC, 0x4F242BEA, 0x4F022C29, 0x4EDF2C67, |
| 0x4EBC2CA4, 0x4E992CE2, 0x4E752D20, 0x4E522D5D, |
| 0x4E2E2D9B, 0x4E0A2DD8, 0x4DE62E15, 0x4DC22E53, |
| 0x4D9D2E90, 0x4D792ECD, 0x4D542F09, 0x4D2F2F46, |
| 0x4D0A2F83, 0x4CE42FBF, 0x4CBF2FFB, 0x4C993038, |
| 0x4C733074, 0x4C4D30B0, 0x4C2630EC, 0x4C003127, |
| 0x4BD93163, 0x4BB2319E, 0x4B8B31DA, 0x4B643215, |
| 0x4B3D3250, 0x4B15328B, 0x4AED32C6, 0x4AC53301, |
| 0x4A9D333C, 0x4A753376, 0x4A4C33B1, 0x4A2433EB, |
| 0x49FB3425, 0x49D2345F, 0x49A83499, 0x497F34D3, |
| 0x4955350C, 0x492C3546, 0x4902357F, 0x48D835B9, |
| 0x48AD35F2, 0x4883362B, 0x48583664, 0x482E369C, |
| 0x480336D5, 0x47D7370E, 0x47AC3746, 0x4781377E, |
| 0x475537B6, 0x472937EE, 0x46FD3826, 0x46D1385E, |
| 0x46A43895, 0x467838CD, 0x464B3904, 0x461E393B, |
| 0x45F13972, 0x45C439A9, 0x459739E0, 0x45693A16, |
| 0x453C3A4D, 0x450E3A83, 0x44E03AB9, 0x44B13AEF, |
| 0x44833B25, 0x44553B5B, 0x44263B90, 0x43F73BC6, |
| 0x43C83BFB, 0x43993C30, 0x43693C65, 0x433A3C9A, |
| 0x430A3CCF, 0x42DA3D04, 0x42AA3D38, 0x427A3D6C, |
| 0x424A3DA0, 0x42193DD4, 0x41E93E08, 0x41B83E3C, |
| 0x41873E6F, 0x41563EA3, 0x41253ED6, 0x40F33F09, |
| 0x40C23F3C, 0x40903F6F, 0x405E3FA1, 0x402C3FD4, |
| 0x3FFA4006, 0x3FC74038, 0x3F95406A, 0x3F62409C, |
| 0x3F2F40CE, 0x3EFC4100, 0x3EC94131, 0x3E964162, |
| 0x3E634193, 0x3E2F41C4, 0x3DFB41F5, 0x3DC74226, |
| 0x3D934256, 0x3D5F4286, 0x3D2B42B6, 0x3CF642E6, |
| 0x3CC24316, 0x3C8D4346, 0x3C584375, 0x3C2343A5, |
| 0x3BEE43D4, 0x3BB84403, 0x3B834432, 0x3B4D4460, |
| 0x3B18448F, 0x3AE244BD, 0x3AAC44EB, 0x3A754519, |
| 0x3A3F4547, 0x3A094575, 0x39D245A2, 0x399B45CF, |
| 0x396445FD, 0x392D462A, 0x38F64656, 0x38BF4683, |
| 0x388746B0, 0x385046DC, 0x38184708, 0x37E04734, |
| 0x37A84760, 0x3770478B, 0x373847B7, 0x36FF47E2, |
| 0x36C7480D, 0x368E4838, 0x36554863, 0x361D488E, |
| 0x35E348B8, 0x35AA48E2, 0x3571490C, 0x35384936, |
| 0x34FE4960, 0x34C44989, 0x348B49B3, 0x345149DC, |
| 0x34164A05, 0x33DC4A2E, 0x33A24A56, 0x33684A7F, |
| 0x332D4AA7, 0x32F24ACF, 0x32B74AF7, 0x327C4B1F, |
| 0x32414B46, 0x32064B6E, 0x31CB4B95, 0x31904BBC, |
| 0x31544BE3, 0x31184C0A, 0x30DD4C30, 0x30A14C56, |
| 0x30654C7C, 0x30294CA2, 0x2FEC4CC8, 0x2FB04CEE, |
| 0x2F734D13, 0x2F374D38, 0x2EFA4D5D, 0x2EBD4D82, |
| 0x2E804DA7, 0x2E434DCB, 0x2E064DEF, 0x2DC94E13, |
| 0x2D8C4E37, 0x2D4E4E5B, 0x2D104E7E, 0x2CD34EA2, |
| 0x2C954EC5, 0x2C574EE8, 0x2C194F0A, 0x2BDB4F2D, |
| 0x2B9D4F4F, 0x2B5E4F71, 0x2B204F93, 0x2AE14FB5, |
| 0x2AA34FD7, 0x2A644FF8, 0x2A255019, 0x29E6503A, |
| 0x29A7505B, 0x2968507C, 0x2929509C, 0x28E950BC, |
| 0x28AA50DC, 0x286A50FC, 0x282B511C, 0x27EB513B, |
| 0x27AB515B, 0x276B517A, 0x272B5199, 0x26EB51B7, |
| 0x26AB51D6, 0x266A51F4, 0x262A5212, 0x25E95230, |
| 0x25A9524E, 0x2568526B, 0x25275288, 0x24E652A5, |
| 0x24A652C2, 0x246452DF, 0x242352FB, 0x23E25318, |
| 0x23A15334, 0x235F5350, 0x231E536B, 0x22DC5387, |
| 0x229B53A2, 0x225953BD, 0x221753D8, 0x21D553F3, |
| 0x2193540D, 0x21515427, 0x210F5442, 0x20CD545B, |
| 0x208B5475, 0x2048548F, 0x200654A8, 0x1FC354C1, |
| 0x1F8154DA, 0x1F3E54F2, 0x1EFB550B, 0x1EB85523, |
| 0x1E76553B, 0x1E335553, 0x1DF0556A, 0x1DAC5582, |
| 0x1D695599, 0x1D2655B0, 0x1CE355C7, 0x1C9F55DD, |
| 0x1C5C55F4, 0x1C18560A, 0x1BD55620, 0x1B915636, |
| 0x1B4D564B, 0x1B095661, 0x1AC55676, 0x1A82568B, |
| 0x1A3E569F, 0x19F956B4, 0x19B556C8, 0x197156DC, |
| 0x192D56F0, 0x18E95704, 0x18A45717, 0x1860572A, |
| 0x181B573E, 0x17D75750, 0x17925763, 0x174D5775, |
| 0x17095788, 0x16C4579A, 0x167F57AB, 0x163A57BD, |
| 0x15F557CE, 0x15B057DF, 0x156B57F0, 0x15265801, |
| 0x14E15812, 0x149C5822, 0x14575832, 0x14115842, |
| 0x13CC5851, 0x13875861, 0x13415870, 0x12FC587F, |
| 0x12B6588E, 0x1271589D, 0x122B58AB, 0x11E558B9, |
| 0x11A058C7, 0x115A58D5, 0x111458E2, 0x10CE58F0, |
| 0x108858FD, 0x1042590A, 0x0FFD5916, 0x0FB75923, |
| 0x0F71592F, 0x0F2A593B, 0x0EE45947, 0x0E9E5952, |
| 0x0E58595E, 0x0E125969, 0x0DCC5974, 0x0D85597E, |
| 0x0D3F5989, 0x0CF95993, 0x0CB2599D, 0x0C6C59A7, |
| 0x0C2559B1, 0x0BDF59BA, 0x0B9959C4, 0x0B5259CD, |
| 0x0B0B59D5, 0x0AC559DE, 0x0A7E59E6, 0x0A3859EE, |
| 0x09F159F6, 0x09AA59FE, 0x09645A05, 0x091D5A0D, |
| 0x08D65A14, 0x08905A1B, 0x08495A21, 0x08025A28, |
| 0x07BB5A2E, 0x07745A34, 0x072D5A3A, 0x06E75A3F, |
| 0x06A05A44, 0x06595A49, 0x06125A4E, 0x05CB5A53, |
| 0x05845A57, 0x053D5A5C, 0x04F65A60, 0x04AF5A63, |
| 0x04685A67, 0x04215A6A, 0x03DA5A6D, 0x03935A70, |
| 0x034C5A73, 0x03055A76, 0x02BE5A78, 0x02775A7A, |
| 0x02305A7C, 0x01E95A7D, 0x01A25A7F, 0x015B5A80, |
| 0x01135A81, 0x00CC5A82, 0x00855A82, 0x003E5A82 |
| }; |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
