14f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* ------------------------------------------------------------------ 24f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Copyright (C) 1998-2009 PacketVideo 34f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 44f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 54f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * you may not use this file except in compliance with the License. 64f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * You may obtain a copy of the License at 74f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 84f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 94f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Unless required by applicable law or agreed to in writing, software 114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * express or implied. 144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * See the License for the specific language governing permissions 154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * and limitations under the License. 164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * ------------------------------------------------------------------- 174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/**************************************************************************************** 194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPortions of this file are derived from the following 3GPP standard: 204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3GPP TS 26.173 224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec 234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Available from http://www.3gpp.org 244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber(C) 2007, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPermission to distribute, modify and use this file under the standard license 274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberterms listed above has been obtained from the copyright holder. 284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber****************************************************************************************/ 294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Pathname: ./src/pvamrwb_math_op.h 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Date: 01/04/2007 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INCLUDE DESCRIPTION 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifndef PVAMRWB_MATH_OP_H 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define PVAMRWB_MATH_OP_H 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "pv_amr_wb_type_defs.h" 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; DEFINES 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; MACROS 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Define module specific macros here 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; EXTERNAL VARIABLES REFERENCES 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberextern "C" 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 one_ov_sqrt( /* (o) Q31 : output value (range: 0<=val<1) */ 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 L_x /* (i) Q0 : input value (range: 0<=val<=7fffffff) */ 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void one_ov_sqrt_norm( 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 * frac, /* (i/o) Q31: normalized value (1.0 < frac <= 0.5) */ 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * exp /* (i/o) : exponent (value = frac x 2^exponent) */ 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 power_of_2( /* (o) Q0 : result (range: 0<=val<=0x7fffffff) */ 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 exponant, /* (i) Q0 : Integer part. (range: 0<=val<=30) */ 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 fraction /* (i) Q15 : Fractionnal part. (range: 0.0<=val<1.0) */ 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 Dot_product12( /* (o) Q31: normalized result (1 < val <= -1) */ 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 x[], /* (i) 12bits: x vector */ 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 y[], /* (i) 12bits: y vector */ 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 lg, /* (i) : vector length */ 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * exp /* (o) : exponent of result (0..+30) */ 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void amrwb_log_2( 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 L_x, /* (i) : input value */ 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 *exponent, /* (o) : Integer part of Log2. (range: 0<=val<=30) */ 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 *fraction /* (o) : Fractional part of Log2. (range: 0<=val<1)*/ 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void Lg2_normalized( 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 L_x, /* (i) : input value (normalized) */ 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 exp, /* (i) : norm_l (L_x) */ 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 *exponent, /* (o) : Integer part of Log2. (range: 0<=val<=30) */ 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 *fraction /* (o) : Fractional part of Log2. (range: 0<=val<1) */ 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 mult_int16_r(int16 var1, int16 var2); /* Mult with round, 2 */ 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 shr_rnd(int16 var1, int16 var2); /* Shift right with round, 2 */ 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 div_16by16(int16 var1, int16 var2); /* Short division, 18 */ 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void int32_to_dpf(int32 L_32, int16 *hi, int16 *lo); 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int32 mpy_dpf_32(int16 hi1, int16 lo1, int16 hi2, int16 lo2); 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define norm_s( x) (normalize_amr_wb( x) - 16) 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define extract_h( x) (int16)(x>>16) 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define L_deposit_h( x) (int32)(x<<16) 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif /* PVAMRWB_MATH_OP_H */ 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 133