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 26.073 224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Available from http://www.3gpp.org 244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber(C) 2004, 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 Filename: /audio/gsm_amr/c/src/bits2prm.c 324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Fixed a typo in the include section. Optimized some lines of 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber code as per review comments. 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Who: Date: 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "bits2prm.h" 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "typedef.h" 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "mode.h" 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "bitno_tab.h" 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; MACROS 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [Define module specific macros here] 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; DEFINES 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [Include all pre-processor statements here. Include conditional 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; compile variables also.] 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL FUNCTION DEFINITIONS 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [List function prototypes here] 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL VARIABLE DEFINITIONS 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [Variable declaration - defined here and used outside this module] 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: Bin2int 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber no_of_bits = number of bits associated with value 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bitstream = pointer to buffer where bits are read 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Function : Bin2int 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Purpose : Read "no_of_bits" bits from the array bitstream[] 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber and convert to integer. 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bits2prm.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberstatic Word16 Bin2int ( // Reconstructed parameter 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 no_of_bits, // input : number of bits associated with value 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *bitstream // output: address where bits are written 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 value, i, bit; 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber value = 0; 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < no_of_bits; i++) 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber value = shl (value, 1); 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bit = *bitstream++; 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (sub (bit, BIT_1) == 0) 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber value = add (value, 1); 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (value); 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 1454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 1474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 1484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 1494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 1504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 1514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 1544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 1554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 1584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 1614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberstatic Word16 Bin2int( /* Reconstructed parameter */ 1634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 no_of_bits, /* input : number of bits associated with value */ 1644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *bitstream /* input: address where bits are read from */ 1654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 1664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 value; 1684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 1694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 single_bit; 1704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber value = 0; 1724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < no_of_bits; i++) 1734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber value <<= 1; 1754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber single_bit = *(bitstream++); 1764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber value |= single_bit; 1774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (value); 1794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 1834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: bits2prm 1854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 1874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 1894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mode = AMR mode of type enum Mode 1904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bits[] = pointer to serial bits of type Word16 1914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber prm[] = pointer to analysis parameters of type Word16 1924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 1944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 1974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 2004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 2014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 2034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 2044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 2074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Function : Bits2prm 2094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Purpose : Retrieves the vector of encoder parameters from 2104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the received serial bits in a frame. 2114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 2144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 2164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 2194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bits2prm.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 2214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 2244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid Bits2prm ( 2264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum Mode mode, // i : AMR mode 2274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 bits[], // i : serial bits (size <= MAX_SERIAL_SIZE) 2284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 prm[] // o : analysis parameters (size <= MAX_PRM_SIZE) 2294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 2304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 2314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 2324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < prmno[mode]; i++) 2344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber prm[i] = Bin2int (bitno[mode][i], bits); 2364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bits += bitno[mode][i]; 2374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add(0,0); // account for above pointer update 2384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 2414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 2424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 2454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 2474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 2484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 2504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 2524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 2544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 2554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 2564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 2574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 2584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 2614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 2624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 2654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 2674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 2684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 2694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberOSCL_EXPORT_REF void Bits2prm( 2704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum Mode mode, /* i : AMR mode */ 2714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 bits[], /* i : serial bits (size <= MAX_SERIAL_SIZE) */ 2724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 prm[] /* o : analysis parameters (size <= MAX_PRM_SIZE) */ 2734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 2744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 2754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 2764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < prmno[mode]; i++) 2784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber prm[i] = Bin2int(bitno[mode][i], bits); 2804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bits += bitno[mode][i]; 2814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 2844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 2854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 293