1d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* ------------------------------------------------------------------ 2d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * 4d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * you may not use this file except in compliance with the License. 6d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * You may obtain a copy of the License at 7d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * 8d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * 10d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * Unless required by applicable law or agreed to in writing, software 11d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * express or implied. 14d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * See the License for the specific language governing permissions 15d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * and limitations under the License. 16d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber * ------------------------------------------------------------------- 17d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber */ 18d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/**************************************************************************************** 19d49b526dd2009270cb15f7fe4e70b74673950608Andreas HuberPortions of this file are derived from the following 3GPP standard: 20d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 21d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 3GPP TS 26.073 22d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Available from http://www.3gpp.org 24d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 25d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26d49b526dd2009270cb15f7fe4e70b74673950608Andreas HuberPermission to distribute, modify and use this file under the standard license 27d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huberterms listed above has been obtained from the copyright holder. 28d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber****************************************************************************************/ 29d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* 30d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 31d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 32d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 33d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 34d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Filename: /audio/gsm-amr/c/src/sid_sync.c 35d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Functions: sid_sync_init 36d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync_reset 37d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync_exit 38d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync_set_handover_debt 39d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync 40d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 41d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Date: 03/13/2002 42d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 43d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 44d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REVISION HISTORY 45d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 46d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Description: Changed type definition of state pointer to 'void' for 47d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync_init, sid_sync_reset, sid_sync_exit, and sid_sync. 48d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Updated to PV coding template. 49d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 50d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Description: Replaced OSCL mem type functions and eliminated include 51d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber files that now are chosen by OSCL definitions 52d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 53d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 54d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 55d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Description: 56d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 57d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 58d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber MODULE DESCRIPTION 59d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 60d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This file contains the functions that initialize, reset, exit, and perform 61d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber SID synchronization. 62d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 63d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 64d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber*/ 65d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 66d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 67d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/*---------------------------------------------------------------------------- 68d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; INCLUDES 69d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber----------------------------------------------------------------------------*/ 70d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber#include <stdlib.h> 71d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 72d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber#include "typedef.h" 73d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber#include "basic_op.h" 74d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber#include "mode.h" 75d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber#include "sid_sync.h" 76d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 77d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/*---------------------------------------------------------------------------- 78d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; MACROS 79d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; [Define module specific macros here] 80d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber----------------------------------------------------------------------------*/ 81d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 82d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 83d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/*---------------------------------------------------------------------------- 84d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; DEFINES 85d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; [Include all pre-processor statements here. Include conditional 86d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; compile variables also.] 87d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber----------------------------------------------------------------------------*/ 88d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 89d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/*---------------------------------------------------------------------------- 90d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; LOCAL FUNCTION DEFINITIONS 91d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; [List function prototypes here] 92d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber----------------------------------------------------------------------------*/ 93d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 94d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/*---------------------------------------------------------------------------- 95d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; LOCAL VARIABLE DEFINITIONS 96d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber; [Variable declaration - defined here and used outside this module] 97d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber----------------------------------------------------------------------------*/ 98d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 99d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 100d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* 101d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 102d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION NAME: sid_sync_init 103d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 104d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber INPUT AND OUTPUT DEFINITIONS 105d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 106d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Inputs: 107d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state = pointer containing a pointer to the state structure used for 108d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber SID synchronization (void) 109d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 110d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Outputs: 111d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 112d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 113d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Returns: 114d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return_value = status of sid_sync_reset function; -1, if state is pointing 115d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber to a NULL address (int) 116d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 117d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Global Variables Used: 118d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 119d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 120d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Local Variables Needed: 121d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 122d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 123d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 124d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION DESCRIPTION 125d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 126d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This function initialize one instance of the sid_sync module. It stores 127d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber the pointer to state struct in *st. This pointer has to be passed to sid_sync 128d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber in each call. This function returns 0 on success, otherwise, -1. 129d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 130d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 131d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REQUIREMENTS 132d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 133d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 134d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 135d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 136d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REFERENCES 137d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 138d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 139d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 140d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 141d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber PSEUDO-CODE 142d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 143d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 144d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber RESOURCES USED [optional] 145d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 146d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber When the code is written for a specific target processor the 147d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber the resources used should be documented below. 148d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 149d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber HEAP MEMORY USED: x bytes 150d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 151d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber STACK MEMORY USED: x bytes 152d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 153d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 154d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber used to represent cycle count for each subroutine 155d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber called) 156d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber where: (cycle count variable) = cycle count for [subroutine 157d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber name] 158d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 159d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 160d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CAUTION [optional] 161d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber [State any special notes, constraints or cautions for users of this function] 162d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 163d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 164d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber*/ 165d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 166d49b526dd2009270cb15f7fe4e70b74673950608Andreas HuberWord16 sid_sync_init(void **state) 167d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber{ 168d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_syncState* s; 169d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 170d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if (state == NULL) 171d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 172d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* fprintf(stderr, "sid_sync_init:invalid state parameter\n"); */ 173d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return -1; 174d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 175d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 176d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *state = NULL; 177d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 178d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* allocate memory */ 179d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if ((s = (sid_syncState *) 180d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber malloc(sizeof(sid_syncState))) == NULL) 181d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 182d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* fprintf(stderr, 183d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber "sid_sync_init: " 184d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber "can not malloc state structure\n"); */ 185d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return -1; 186d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 187d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber s->sid_update_rate = 8; 188d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 189d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *state = (void *)s; 190d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 191d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return(sid_sync_reset(s)); 192d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber} 193d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 194d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/****************************************************************************/ 195d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 196d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* 197d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 198d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION NAME: sid_sync_reset 199d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 200d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber INPUT AND OUTPUT DEFINITIONS 201d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 202d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Inputs: 203d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state = pointer to the state structure used for SID synchronization (void) 204d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 205d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Outputs: 206d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 207d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 208d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Returns: 209d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return_value = 0 (int) 210d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 211d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Global Variables Used: 212d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 213d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 214d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Local Variables Needed: 215d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 216d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 217d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 218d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION DESCRIPTION 219d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 220d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This function performs a reset of the sid_sync module by setting the state 221d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber memory to zero. 222d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 223d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 224d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REQUIREMENTS 225d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 226d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 227d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 228d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 229d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REFERENCES 230d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 231d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 232d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 233d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 234d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber PSEUDO-CODE 235d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 236d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 237d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber RESOURCES USED [optional] 238d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 239d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber When the code is written for a specific target processor the 240d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber the resources used should be documented below. 241d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 242d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber HEAP MEMORY USED: x bytes 243d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 244d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber STACK MEMORY USED: x bytes 245d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 246d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 247d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber used to represent cycle count for each subroutine 248d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber called) 249d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber where: (cycle count variable) = cycle count for [subroutine 250d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber name] 251d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 252d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 253d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CAUTION [optional] 254d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber [State any special notes, constraints or cautions for users of this function] 255d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 256d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 257d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber*/ 258d49b526dd2009270cb15f7fe4e70b74673950608Andreas HuberWord16 sid_sync_reset(void *st) 259d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber{ 260d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_syncState *state = (sid_syncState *) st; 261d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 262d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state->sid_update_counter = 3; 263d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state->sid_handover_debt = 0; 264d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state->prev_ft = TX_SPEECH_GOOD; 265d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 266d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return 0; 267d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber} 268d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 269d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 270d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/****************************************************************************/ 271d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 272d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* 273d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 274d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION NAME: sid_sync_exit 275d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 276d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber INPUT AND OUTPUT DEFINITIONS 277d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 278d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Inputs: 279d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state = pointer containing a pointer to the state structure used for 280d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber SID synchronization (void) 281d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 282d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Outputs: 283d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 284d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 285d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Returns: 286d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 287d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 288d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Global Variables Used: 289d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 290d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 291d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Local Variables Needed: 292d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 293d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 294d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 295d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION DESCRIPTION 296d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 297d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This function frees up the state structure used by sid_sync function. It 298d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber stores NULL in *state. 299d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 300d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 301d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REQUIREMENTS 302d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 303d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 304d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 305d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 306d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REFERENCES 307d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 308d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 309d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 310d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 311d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber PSEUDO-CODE 312d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 313d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 314d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber RESOURCES USED [optional] 315d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 316d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber When the code is written for a specific target processor the 317d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber the resources used should be documented below. 318d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 319d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber HEAP MEMORY USED: x bytes 320d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 321d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber STACK MEMORY USED: x bytes 322d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 323d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 324d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber used to represent cycle count for each subroutine 325d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber called) 326d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber where: (cycle count variable) = cycle count for [subroutine 327d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber name] 328d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 329d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 330d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CAUTION [optional] 331d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber [State any special notes, constraints or cautions for users of this function] 332d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 333d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 334d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber*/ 335d49b526dd2009270cb15f7fe4e70b74673950608Andreas Hubervoid sid_sync_exit(void **state) 336d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber{ 337d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_syncState **st = (sid_syncState **) state; 338d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 339d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if (st == NULL || *st == NULL) 340d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 341d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return; 342d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 343d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 344d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* deallocate memory */ 345d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber free(*st); 346d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *st = NULL; 347d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 348d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return; 349d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 350d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber} 351d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 352d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/****************************************************************************/ 353d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 354d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* 355d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 356d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION NAME: sid_sync_set_handover_debt 357d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 358d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber INPUT AND OUTPUT DEFINITIONS 359d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 360d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Inputs: 361d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st = pointer to the state structure used for SID synchronization 362d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber (sid_syncState) 363d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber debtFrames = number of handover debt frames (Word16) 364d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 365d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Outputs: 366d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_handover_debt is set to debtFrames 367d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 368d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Returns: 369d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return_value = 0 370d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 371d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Global Variables Used: 372d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 373d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 374d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Local Variables Needed: 375d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 376d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 377d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 378d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION DESCRIPTION 379d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 380d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This function updates the handover debt to debtFrames. Extra SID_UPD are 381d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber scheduled to update remote decoder CNI states, right after an handover. 382d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This is primarily for use on MS UL side. 383d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 384d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 385d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REQUIREMENTS 386d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 387d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 388d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 389d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 390d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REFERENCES 391d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 392d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 393d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 394d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 395d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber PSEUDO-CODE 396d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 397d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 398d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber RESOURCES USED [optional] 399d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 400d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber When the code is written for a specific target processor the 401d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber the resources used should be documented below. 402d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 403d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber HEAP MEMORY USED: x bytes 404d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 405d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber STACK MEMORY USED: x bytes 406d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 407d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 408d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber used to represent cycle count for each subroutine 409d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber called) 410d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber where: (cycle count variable) = cycle count for [subroutine 411d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber name] 412d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 413d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 414d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CAUTION [optional] 415d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber [State any special notes, constraints or cautions for users of this function] 416d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 417d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 418d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber*/ 419d49b526dd2009270cb15f7fe4e70b74673950608Andreas Hubervoid sid_sync_set_handover_debt(sid_syncState *st, 420d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Word16 debtFrames) 421d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber{ 422d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* debtFrames >= 0 */ 423d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_handover_debt = debtFrames; 424d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber return; 425d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber} 426d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 427d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 428d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/****************************************************************************/ 429d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 430d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber/* 431d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 432d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION NAME: sid_sync 433d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 434d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber INPUT AND OUTPUT DEFINITIONS 435d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 436d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Inputs: 437d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber state = pointer to the state structure used for SID synchronization 438d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber (sid_syncState) 439d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber mode = codec mode (enum Mode) 440d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber tx_frame_type = pointer to TX frame type store (enum TXFrameType) 441d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 442d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Outputs: 443d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber tx_frame_type contains the new TX frame type 444d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 445d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Returns: 446d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 447d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 448d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Global Variables Used: 449d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 450d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 451d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber Local Variables Needed: 452d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 453d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 454d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 455d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber FUNCTION DESCRIPTION 456d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 457d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber This function performs SID frame synchronization to ensure that the mode 458d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber only switches to a neighbouring mode. 459d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 460d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 461d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REQUIREMENTS 462d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 463d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber None 464d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 465d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 466d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber REFERENCES 467d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 468d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_sync.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 469d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 470d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 471d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber PSEUDO-CODE 472d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 473d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 474d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber RESOURCES USED [optional] 475d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 476d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber When the code is written for a specific target processor the 477d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber the resources used should be documented below. 478d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 479d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber HEAP MEMORY USED: x bytes 480d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 481d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber STACK MEMORY USED: x bytes 482d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 483d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 484d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber used to represent cycle count for each subroutine 485d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber called) 486d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber where: (cycle count variable) = cycle count for [subroutine 487d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber name] 488d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 489d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 490d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber CAUTION [optional] 491d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber [State any special notes, constraints or cautions for users of this function] 492d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 493d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber------------------------------------------------------------------------------ 494d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber*/ 495d49b526dd2009270cb15f7fe4e70b74673950608Andreas Hubervoid sid_sync(void *state, 496d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber enum Mode mode, 497d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber enum TXFrameType *tx_frame_type) 498d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber{ 499d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 500d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber sid_syncState *st = (sid_syncState *) state; 501d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 502d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if (mode == MRDTX) 503d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 504d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 505d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_update_counter--; 506d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 507d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if (st->prev_ft == TX_SPEECH_GOOD) 508d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 509d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *tx_frame_type = TX_SID_FIRST; 510d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_update_counter = 3; 511d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 512d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber else 513d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 514d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* TX_SID_UPDATE or TX_NO_DATA */ 515d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if ((st->sid_handover_debt > 0) && 516d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber (st->sid_update_counter > 2)) 517d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 518d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber /* ensure extra updates are properly delayed after 519d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber a possible SID_FIRST */ 520d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *tx_frame_type = TX_SID_UPDATE; 521d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_handover_debt--; 522d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 523d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber else 524d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 525d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber if (st->sid_update_counter == 0) 526d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 527d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *tx_frame_type = TX_SID_UPDATE; 528d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_update_counter = st->sid_update_rate; 529d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 530d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber else 531d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 532d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *tx_frame_type = TX_NO_DATA; 533d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 534d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 535d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 536d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 537d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber else 538d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber { 539d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->sid_update_counter = st->sid_update_rate ; 540d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber *tx_frame_type = TX_SPEECH_GOOD; 541d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber } 542d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber st->prev_ft = *tx_frame_type; 543d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber} 544d49b526dd2009270cb15f7fe4e70b74673950608Andreas Huber 545