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 324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Pathname: ./audio/gsm-amr/c/src/sp_dec.c 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Functions: GSMInitDecode 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_Frame_reset 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber GSMDecodeFrameExit 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber GSMFrameDecode 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Date: 08/03/2001 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Add PV coding template. Filled out template sections and 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber reformatted code to follow C coding standard. Removed code that 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber handles SID in GSMFrameDecode. 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Made the following changes per comments from Phase 2/3 review: 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1. Updated to more recent PV C coding template. 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2. Took out all the tabs in the file and replaced with spaces. 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3. Deleted bit_offset from input list of GSMFrameDecode. 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Changing several variables passed into these functions of type 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState to type void. 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Cleaning up brackets and line spacing for statements with 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber brackets as per a review comments. 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Synchronized file with UMTS version 3.2.0. Removed unnecessary 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber include files. 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Removed all references to malloc/free, except for the top-level 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber malloc in GSMInitDecode, and corresponding free in GSMDecodeFrameExit. 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Also, modified function calls throughout to reflect the fact that the members 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber of the structure Decoder_amrState are no longer pointers to be set via 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber malloc, but full-blown structures. (Changes of the type D_plsfState *lsfState 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber to D_plsfState lsfState) 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Created overflow and pass the variable into the decoder. 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Changed inititlaization of the pointer to overflow flag. Removed 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber code related to MOPS counter. 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Replaced OSCL mem type functions and eliminated include 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber files that now are chosen by OSCL definitions 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Replaced "int" and/or "char" with defined types. 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Added proper casting (Word32) to some left shifting operations 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber MODULE DESCRIPTION 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This file contains the functions that initialize, invoke, reset, and exit 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the GSM AMR decoder. 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include <stdlib.h> 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "sp_dec.h" 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "typedef.h" 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "cnst.h" 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "dec_amr.h" 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "pstfilt.h" 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "bits2prm.h" 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "mode.h" 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "post_pro.h" 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; MACROS 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Define module specific macros here 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; DEFINES 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Include all pre-processor statements here. Include conditional 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; compile variables also. 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL FUNCTION DEFINITIONS 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Function Prototype declaration 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL VARIABLE DEFINITIONS 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Variable declaration - defined here and used outside this module 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: GSMInitDecode 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state = pointer to an array of pointers to structures of type 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber no_hp_post_MR122 = flag to turn off high-pass post filter for 12.2 kbps 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mode (Flag) 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber id = pointer to an array whose contents are of type char 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber decoder_amrState field of the structure pointed to by the pointer pointed 1454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber to by state is set to NULL 1464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber post_state field of the structure pointed to by the pointer pointed to 1474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber by state is set to NULL 1484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber postHP_state field of the structure pointed to by the pointer pointed to 1494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber by state is set to NULL 1504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber no_hp_post_MR122 field of the structure pointed to by the pointer pointed 1514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber to by state is set to the input no_hp_post_MR122 1524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 1544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return_value = set to zero, if initialization was successful; -1, 1554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber otherwise (int) 1564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 1584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 1614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 1654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This function allocates memory for filter structure and initializes state 1674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber memory used by the GSM AMR decoder. 1684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 1714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 1764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber sp_dec.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 1784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 1814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Note: Original function name of Speech_Decode_Frame_init was changed to 1834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber GSMInitDecode in the Code section. 1844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberint Speech_Decode_Frame_init (Speech_Decode_FrameState **state, 1864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber char *id) 1874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState* s; 1894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == (Speech_Decode_FrameState **) NULL){ 1914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber fprintf(stderr, "Speech_Decode_Frame_init: invalid parameter\n"); 1924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 1934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = NULL; 1954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // allocate memory 1974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((s= (Speech_Decode_FrameState *) 1984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber malloc(sizeof(Speech_Decode_FrameState))) == NULL) { 1994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber fprintf(stderr, "Speech_Decode_Frame_init: can not malloc state " 2004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber "structure\n"); 2014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 2024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber s->decoder_amrState = NULL; 2044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber s->post_state = NULL; 2054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber s->postHP_state = NULL; 2064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (Decoder_amr_init(&s->decoder_amrState) || 2084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Filter_init(&s->post_state) || 2094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Process_init(&s->postHP_state) ) { 2104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_Frame_exit(&s); 2114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 2124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber s->complexityCounter = getCounterId(id); 2154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_Frame_reset(s); 2174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = s; 2184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return 0; 2204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 2214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 2244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 2264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 2274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 2294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 2314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 2334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 2344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 2354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 2364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 2374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 2404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 2414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 2444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberWord16 GSMInitDecode(void **state_data, 2464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word8 * id) 2474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 2484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState* s; 2494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber OSCL_UNUSED_ARG(id); 2504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state_data == NULL) 2524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* fprintf(stderr, "Speech_Decode_Frame_init: 2544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber invalid parameter\n"); */ 2554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (-1); 2564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state_data = NULL; 2584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* allocate memory */ 2604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((s = (Speech_Decode_FrameState *) 2614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber malloc(sizeof(Speech_Decode_FrameState))) == NULL) 2624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* fprintf(stderr, "Speech_Decode_Frame_init: can not malloc state " 2644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber "structure\n"); */ 2654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (-1); 2664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (Decoder_amr_init(&s->decoder_amrState) 2694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber || Post_Process_reset(&s->postHP_state)) 2704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState *tmp = s; 2724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* 2734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * dereferencing type-punned pointer avoid 2744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * breaking strict-aliasing rules 2754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 2764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void** tempVoid = (void**) tmp; 2774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber GSMDecodeFrameExit(tempVoid); 2784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (-1); 2794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_Frame_reset(s); 2834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state_data = (void *)s; 2844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (0); 2864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 2874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/****************************************************************************/ 2904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 2934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: Speech_Decode_Frame_reset 2954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 2964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 2974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 2994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state = pointer to structures of type Speech_Decode_FrameState 3004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 3024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 3034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 3054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return_value = set to zero if reset was successful; -1, otherwise (int) 3064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 3084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 3094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 3114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 3124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 3154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This function resets the state memory used by the GSM AMR decoder. 3174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 3204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 3224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 3254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber sp_dec.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 3274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 3304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberint Speech_Decode_Frame_reset (Speech_Decode_FrameState *state) 3324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 3334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == (Speech_Decode_FrameState *) NULL){ 3344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber fprintf(stderr, "Speech_Decode_Frame_reset: invalid parameter\n"); 3354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 3364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Decoder_amr_reset(state->decoder_amrState, (enum Mode)0); 3394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Filter_reset(state->post_state); 3404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Process_reset(state->postHP_state); 3414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state->prev_mode = (enum Mode)0; 3434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber setCounter(state->complexityCounter); 3454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Init_WMOPS_counter(); 3464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber setCounter(0); // set counter to global counter 3474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return 0; 3494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 3504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 3534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 3554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 3564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 3584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 3604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 3624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 3634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 3644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 3654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 3664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 3694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 3704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 3734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberWord16 Speech_Decode_Frame_reset(void *state_data) 3744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 3754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState *state = 3774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber (Speech_Decode_FrameState *) state_data; 3784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state_data == NULL) 3804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* fprintf(stderr, "Speech_Decode_Frame_reset: 3824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber invalid parameter\n"); */ 3834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (-1); 3844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Decoder_amr_reset(&(state->decoder_amrState), MR475); 3874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Filter_reset(&(state->post_state)); 3884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Process_reset(&(state->postHP_state)); 3894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state->prev_mode = MR475; 3914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (0); 3934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 3944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/****************************************************************************/ 3964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 3984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 3994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: GSMDecodeFrameExit 4004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 4024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 4044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state = pointer to an array of pointers to structures of type 4054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState 4064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 4084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state contents is set to NULL 4094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 4114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 4124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 4144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 4154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 4174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 4184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 4214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This function frees up the memory used for the state memory of the GSM AMR 4234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber decoder. 4244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 4274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 4294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 4324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber sp_dec.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 4344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 4374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Note: The original function name of Speech_Decode_Frame_exit was changed to 4394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber GSMDecodeFrameExit in the Code section. 4404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid Speech_Decode_Frame_exit (Speech_Decode_FrameState **state) 4424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 4434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == NULL || *state == NULL) 4444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 4454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Decoder_amr_exit(&(*state)->decoder_amrState); 4474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Filter_exit(&(*state)->post_state); 4484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Process_exit(&(*state)->postHP_state); 4494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber setCounter((*state)->complexityCounter); 4514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber WMOPS_output(0); 4524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber setCounter(0); // set counter to global counter 4534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // deallocate memory 4554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber free(*state); 4564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = NULL; 4574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 4594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 4604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 4634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 4654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 4664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 4684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 4704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 4724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 4734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 4744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 4754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 4764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 4794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 4804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 4834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid GSMDecodeFrameExit(void **state_data) 4854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 4864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState **state = 4884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber (Speech_Decode_FrameState **) state_data; 4894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == NULL || *state == NULL) 4914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 4924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 4934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 4944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* deallocate memory */ 4964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber free(*state); 4974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = NULL; 4984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 5004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 5014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/****************************************************************************/ 5034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 5054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 5064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: GSMFrameDecode 5074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 5084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 5094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 5114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st = pointer to structures of type Speech_Decode_FrameState 5124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mode = GSM AMR codec mode (enum Mode) 5134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber serial = pointer to the serial bit stream buffer (unsigned char) 5144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber frame_type = GSM AMR receive frame type (enum RXFrameType) 5154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth = pointer to the output synthesis speech buffer (Word16) 5164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 5184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth contents are truncated to 13 bits if NO13BIT is not defined, 5194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber otherwise, its contents are left at 16 bits 5204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 5224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return_value = set to zero (int) 5234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 5254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 5264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 5284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 5294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 5314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 5324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This function is the entry point to the GSM AMR decoder. The following 5344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber operations are performed on one received frame: First, the codec 5354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber parameters are parsed from the buffer pointed to by serial according to 5364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber frame_type. Then the AMR decoder is invoked via a call to Decoder_amr. Post 5374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber filtering of the decoded data is done via a call to Post_Filter function. 5384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Lastly, the decoded data is post-processed via a call to Post_Process 5394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber function. If NO13BIT is not defined, the contents of the buffer pointed to 5404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber by synth is truncated to 13 bits. It remains unchanged otherwise. 5414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 5434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 5444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 5464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 5484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 5494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber sp_dec.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 5514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 5534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 5544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Note: The original function name of Speech_Decode_Frame_exit was changed to 5564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber GSMFrameDecode in the Code section. 5574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberint Speech_Decode_Frame ( 5594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState *st, // io: post filter states 5604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum Mode mode, // i : AMR mode 5614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *serial, // i : serial bit stream 5624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum RXFrameType frame_type, // i : Frame type 5634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *synth // o : synthesis speech (postfiltered 5644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // output) 5654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 5664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 5674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 parm[MAX_PRM_SIZE + 1]; // Synthesis parameters 5684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 Az_dec[AZ_SIZE]; // Decoded Az for post-filter 5694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // in 4 subframes 5704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#if !defined(NO13BIT) 5724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 5734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 5744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber setCounter(st->complexityCounter); 5764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Reset_WMOPS_counter (); // reset WMOPS counter for the new frame 5774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // Serial to parameters 5794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((frame_type == RX_SID_BAD) || 5804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber (frame_type == RX_SID_UPDATE)) { 5814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // Override mode to MRDTX 5824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Bits2prm (MRDTX, serial, parm); 5834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } else { 5844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Bits2prm (mode, serial, parm); 5854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 5864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // Synthesis 5884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Decoder_amr(st->decoder_amrState, mode, parm, frame_type, 5894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth, Az_dec); 5904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Filter(st->post_state, mode, synth, Az_dec); // Post-filter 5924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // post HP filter, and 15->16 bits 5944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Process(st->postHP_state, synth, L_FRAME); 5954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 5964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#if !defined(NO13BIT) 5974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber // Truncate to 13 bits 5984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < L_FRAME; i++) 5994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 6004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth[i] = synth[i] & 0xfff8; 6014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 6024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 6034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber setCounter(0); // set counter to global counter 6054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return 0; 6074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 6084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 6114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 6124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 6144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 6154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 6174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 6194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 6214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 6224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 6234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 6244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 6254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 6274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 6284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 6294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 6314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 6324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid GSMFrameDecode( 6344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Speech_Decode_FrameState *st, /* io: post filter states */ 6354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum Mode mode, /* i : AMR mode */ 6364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *serial, /* i : serial bit stream */ 6374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum RXFrameType frame_type, /* i : Frame type */ 6384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *synth) /* o : synthesis speech (postfiltered */ 6394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* output) */ 6404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 6424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 parm[MAX_PRM_SIZE + 1]; /* Synthesis parameters */ 6434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 Az_dec[AZ_SIZE]; /* Decoded Az for post-filter */ 6444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* in 4 subframes */ 6454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Flag *pOverflow = &(st->decoder_amrState.overflow); /* Overflow flag */ 6464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#if !defined(NO13BIT) 6484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 6494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 6504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Serial to parameters */ 6524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((frame_type == RX_SID_BAD) || 6534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber (frame_type == RX_SID_UPDATE)) 6544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 6554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Override mode to MRDTX */ 6564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Bits2prm(MRDTX, serial, parm); 6574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 6584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 6594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 6604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Bits2prm(mode, serial, parm); 6614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 6624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Synthesis */ 6644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Decoder_amr( 6654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber &(st->decoder_amrState), 6664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mode, 6674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber parm, 6684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber frame_type, 6694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth, 6704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Az_dec); 6714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Post-filter */ 6734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Filter( 6744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber &(st->post_state), 6754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mode, 6764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth, 6774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Az_dec, 6784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 6794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* post HP filter, and 15->16 bits */ 6814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Post_Process( 6824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber &(st->postHP_state), 6834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth, 6844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_FRAME, 6854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 6864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#if !defined(NO13BIT) 6884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Truncate to 13 bits */ 6894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < L_FRAME; i++) 6904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 6914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber synth[i] = synth[i] & 0xfff8; 6924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 6934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 6944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 6964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 6974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 6994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 700