1a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* ------------------------------------------------------------------ 2a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 4a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * you may not use this file except in compliance with the License. 6a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * You may obtain a copy of the License at 7a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 8a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 10a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Unless required by applicable law or agreed to in writing, software 11a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * express or implied. 14a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * See the License for the specific language governing permissions 15a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * and limitations under the License. 16a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * ------------------------------------------------------------------- 17a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 18a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/**************************************************************************************** 19a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPortions of this file are derived from the following 3GPP standard: 20a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 21a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 3GPP TS 26.173 22a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec 23a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Available from http://www.3gpp.org 24a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 25a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber(C) 2007, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPermission to distribute, modify and use this file under the standard license 27a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberterms listed above has been obtained from the copyright holder. 28a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber****************************************************************************************/ 29a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 30a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 31a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 32a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 33a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 34a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Filename: band_pass_6k_7k.cpp 35a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 36a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Date: 05/08/2004 37a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 38a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 39a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REVISION HISTORY 40a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 41a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 42a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: 43a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 44a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 45a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 46a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 47a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 signal[], input signal / output is divided by 16 48a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 lg, lenght of signal 49a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 mem[] in/out: memory (size=30) 50a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 x[] scratch mem ( size= 60) 51a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 52a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 53a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION DESCRIPTION 54a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 55a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 15th order band pass 6kHz to 7kHz FIR filter. 56a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 57a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber frequency: 4kHz 5kHz 5.5kHz 6kHz 6.5kHz 7kHz 7.5kHz 8kHz 58a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber dB loss: -60dB -45dB -13dB -3dB 0dB -3dB -13dB -45dB 59a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 60a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 61a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 62a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REQUIREMENTS 63a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 64a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 65a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 66a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REFERENCES 67a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 68a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 69a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber PSEUDO-CODE 70a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 71a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 72a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 73a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 74a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 75a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 76a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; INCLUDES 77a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 78a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 79a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 80a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "pv_amr_wb_type_defs.h" 81a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "pvamrwbdecoder_basic_op.h" 82a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "pvamrwbdecoder_acelp.h" 83a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "pvamrwbdecoder_cnst.h" 84a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 85a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 86a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; MACROS 87a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Define module specific macros here 88a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 89a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 90a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 91a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 92a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; DEFINES 93a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Include all pre-processor statements here. Include conditional 94a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; compile variables also. 95a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 96a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 97a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#define L_FIR 30 98a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 99a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 100a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; LOCAL FUNCTION DEFINITIONS 101a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Function Prototype declaration 102a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 103a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 104a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 105a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS 106a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Variable declaration - defined here and used outside this module 107a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 108a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 109a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* filter coefficients (gain=4.0) */ 110a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 111a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberconst int16 fir_6k_7k[L_FIR] = 112a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 113a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber -32, 47, 32, -27, 114a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber -369, 1122, -1421, 0, 115a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 3798, -8880, 12349, -10984, 116a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 3548, 7766, -18001, 117a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 22118, 118a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber -18001, 7766, 3548, -10984, 119a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 12349, -8880, 3798, 0, 120a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber -1421, 1122, -369, -27, 121a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 32, 47 122a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber}; 123a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 124a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 125a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; EXTERNAL FUNCTION REFERENCES 126a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Declare functions defined elsewhere and referenced in this module 127a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 128a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 129a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 130a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 131a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Declare variables used in this module but defined elsewhere 132a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 133a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 134a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 135a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; FUNCTION CODE 136a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 137a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 138a30d40083856cb4edd225faf8b488fab156e5976Andreas Hubervoid band_pass_6k_7k_init(int16 mem[]) /* mem[30] */ 139a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 140a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pv_memset((void *)mem, 0, L_FIR*sizeof(*mem)); 141a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 142a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 143a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 144a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 145a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; FUNCTION CODE 146a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 147a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 148a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 149a30d40083856cb4edd225faf8b488fab156e5976Andreas Hubervoid band_pass_6k_7k( 150a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 signal[], /* input: signal */ 151a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 lg, /* input: length of input */ 152a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 mem[], /* in/out: memory (size=30) */ 153a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 x[] 154a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber) 155a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 156a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 i, j; 157a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int32 L_tmp1; 158a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int32 L_tmp2; 159a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int32 L_tmp3; 160a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int32 L_tmp4; 161a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 162a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 *pt_sign = signal; 163a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 164a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pv_memcpy((void *)x, (void *)mem, L_FIR*sizeof(*x)); 165a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 166a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 167a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber for (i = 0; i < lg >> 2; i++) 168a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 169a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 170a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber x[(i<<2) + L_FIR ] = *(pt_sign) >> 2; /* gain of filter = 4 */ 171a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber x[(i<<2) + L_FIR + 1] = *(pt_sign + 1) >> 2; /* gain of filter = 4 */ 172a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber x[(i<<2) + L_FIR + 2] = *(pt_sign + 2) >> 2; /* gain of filter = 4 */ 173a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber x[(i<<2) + L_FIR + 3] = *(pt_sign + 3) >> 2; /* gain of filter = 4 */ 174a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 175a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 = 0x00004000; 176a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 = 0x00004000; 177a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 = 0x00004000; 178a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 = 0x00004000; 179a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 180a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 -= ((int32)x[(i<<2)+L_FIR ] << 5); 181a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 -= ((int32)x[(i<<2)+L_FIR+1] << 5); 182a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 -= ((int32)x[(i<<2)+L_FIR+2] << 5); 183a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 -= ((int32)x[(i<<2)+L_FIR+3] << 5); 184a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 185a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 -= ((int32)x[(i<<2)] << 5); 186a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 -= ((int32)x[(i<<2)+1] << 5); 187a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 -= ((int32)x[(i<<2)+2] << 5); 188a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 -= ((int32)x[(i<<2)+3] << 5); 189a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 190a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 191a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber for (j = 1; j < L_FIR - 1; j += 4) 192a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 193a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 tmp1 = x[(i<<2)+j ]; 194a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 tmp2 = x[(i<<2)+j+1]; 195a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber int16 tmp3 = x[(i<<2)+j+2]; 196a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 197a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 = fxp_mac_16by16(tmp1, fir_6k_7k[j ], L_tmp1); 198a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 = fxp_mac_16by16(tmp2, fir_6k_7k[j ], L_tmp2); 199a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 = fxp_mac_16by16(tmp2, fir_6k_7k[j+1], L_tmp1); 200a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 = fxp_mac_16by16(tmp3, fir_6k_7k[j+1], L_tmp2); 201a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 = fxp_mac_16by16(tmp3, fir_6k_7k[j ], L_tmp3); 202a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 = fxp_mac_16by16(tmp3, fir_6k_7k[j+2], L_tmp1); 203a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 204a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber tmp1 = x[(i<<2)+j+3]; 205a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber tmp2 = x[(i<<2)+j+4]; 206a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 207a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 = fxp_mac_16by16(tmp1, fir_6k_7k[j+2], L_tmp2); 208a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 = fxp_mac_16by16(tmp1, fir_6k_7k[j ], L_tmp4); 209a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 = fxp_mac_16by16(tmp1, fir_6k_7k[j+1], L_tmp3); 210a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 = fxp_mac_16by16(tmp1, fir_6k_7k[j+3], L_tmp1); 211a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 = fxp_mac_16by16(tmp2, fir_6k_7k[j+3], L_tmp2); 212a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 = fxp_mac_16by16(tmp2, fir_6k_7k[j+1], L_tmp4); 213a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 = fxp_mac_16by16(tmp2, fir_6k_7k[j+2], L_tmp3); 214a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 215a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber tmp1 = x[(i<<2)+j+5]; 216a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber tmp2 = x[(i<<2)+j+6]; 217a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 218a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 = fxp_mac_16by16(tmp1, fir_6k_7k[j+2], L_tmp4); 219a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 = fxp_mac_16by16(tmp1, fir_6k_7k[j+3], L_tmp3); 220a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 = fxp_mac_16by16(tmp2, fir_6k_7k[j+3], L_tmp4); 221a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 222a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 223a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 224a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp1 = fxp_mac_16by16(x[(i<<2)+j ], fir_6k_7k[L_FIR-1 ], L_tmp1); 225a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp2 = fxp_mac_16by16(x[(i<<2)+j+1], fir_6k_7k[L_FIR-1 ], L_tmp2); 226a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp3 = fxp_mac_16by16(x[(i<<2)+j+2], fir_6k_7k[L_FIR-1 ], L_tmp3); 227a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber L_tmp4 = fxp_mac_16by16(x[(i<<2)+j+3], fir_6k_7k[L_FIR-1 ], L_tmp4); 228a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 229a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 230a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *(pt_sign++) = (int16)(L_tmp1 >> 15); 231a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *(pt_sign++) = (int16)(L_tmp2 >> 15); 232a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *(pt_sign++) = (int16)(L_tmp3 >> 15); 233a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *(pt_sign++) = (int16)(L_tmp4 >> 15); 234a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 235a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 236a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 237a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber pv_memcpy((void *)mem, (void *)(x + lg), L_FIR*sizeof(*mem)); 238a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 239a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 240a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 241