1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /**************************************************************************************** 19 Portions of this file are derived from the following 3GPP standard: 20 21 3GPP TS 26.073 22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23 Available from http://www.3gpp.org 24 25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26 Permission to distribute, modify and use this file under the standard license 27 terms listed above has been obtained from the copyright holder. 28 ****************************************************************************************/ 29 /* 30 INCLUDE DESCRIPTION 31 32 This file contains the Speech code (encoder, decoder, and postfilter) 33 constant parameters. 34 35 NOTE: This file must be synchronized with /gsm-amr/asm/include/cnst.inc file. 36 37 ------------------------------------------------------------------------------ 38 */ 39 40 /*---------------------------------------------------------------------------- 41 ; CONTINUE ONLY IF NOT ALREADY DEFINED 42 ----------------------------------------------------------------------------*/ 43 #ifndef _CNST_H_ 44 #define _CNST_H_ 45 46 /*---------------------------------------------------------------------------- 47 ; INCLUDES 48 ----------------------------------------------------------------------------*/ 49 50 /*--------------------------------------------------------------------------*/ 51 #ifdef __cplusplus 52 extern "C" 53 { 54 #endif 55 56 /*---------------------------------------------------------------------------- 57 ; MACROS 58 ; Define module specific macros here 59 ----------------------------------------------------------------------------*/ 60 61 /*---------------------------------------------------------------------------- 62 ; DEFINES 63 ; Include all pre-processor statements here. 64 ----------------------------------------------------------------------------*/ 65 #define L_TOTAL 320 /* Total size of speech buffer. */ 66 #define L_WINDOW 240 /* Window size in LP analysis */ 67 #define L_FRAME 160 /* Frame size */ 68 #define L_FRAME_BY2 80 /* Frame size divided by 2 */ 69 #define L_SUBFR 40 /* Subframe size */ 70 #define L_CODE 40 /* codevector length */ 71 #define NB_TRACK 5 /* number of tracks */ 72 #define STEP 5 /* codebook step size */ 73 #define NB_TRACK_MR102 4 /* number of tracks mode mr102 */ 74 #define STEP_MR102 4 /* codebook step size mode mr102 */ 75 #define M 10 /* Order of LP filter */ 76 #define MP1 (M+1) /* Order of LP filter + 1 */ 77 #define LSF_GAP 205 /* Minimum distance between LSF after quan- */ 78 /* tization; 50 Hz = 205 */ 79 #define LSP_PRED_FAC_MR122 21299 /* MR122 LSP prediction factor (0.65 Q15) */ 80 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */ 81 #define PIT_MIN_MR122 18 /* Minimum pitch lag (MR122 mode) */ 82 #define PIT_MIN 20 /* Minimum pitch lag (all other modes) */ 83 #define PIT_MAX 143 /* Maximum pitch lag */ 84 #define L_INTERPOL (10+1) /* Length of filter for interpolation */ 85 #define L_INTER_SRCH 4 /* Length of filter for CL LTP search */ 86 /* interpolation */ 87 88 #define MU 26214 /* Factor for tilt compensation filter 0.8 */ 89 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */ 90 91 #define L_NEXT 40 /* Overhead in LP analysis */ 92 #define SHARPMAX 13017 /* Maximum value of pitch sharpening */ 93 #define SHARPMIN 0 /* Minimum value of pitch sharpening */ 94 95 96 #define MAX_PRM_SIZE 57 /* max. num. of params */ 97 #define MAX_SERIAL_SIZE 244 /* max. num. of serial bits */ 98 99 #define GP_CLIP 15565 /* Pitch gain clipping = 0.95 */ 100 #define N_FRAME 7 /* old pitch gains in average calculation */ 101 102 #define EHF_MASK 0x0008 /* encoder homing frame pattern */ 103 104 /*---------------------------------------------------------------------------- 105 ; EXTERNAL VARIABLES REFERENCES 106 ; Declare variables used in this module but defined elsewhere 107 ----------------------------------------------------------------------------*/ 108 109 /*---------------------------------------------------------------------------- 110 ; SIMPLE TYPEDEF'S 111 ----------------------------------------------------------------------------*/ 112 113 /*---------------------------------------------------------------------------- 114 ; ENUMERATED TYPEDEF'S 115 ----------------------------------------------------------------------------*/ 116 117 /*---------------------------------------------------------------------------- 118 ; STRUCTURES TYPEDEF'S 119 ----------------------------------------------------------------------------*/ 120 121 /*---------------------------------------------------------------------------- 122 ; GLOBAL FUNCTION DEFINITIONS 123 ; Function Prototype declaration 124 ----------------------------------------------------------------------------*/ 125 #ifdef __cplusplus 126 } 127 #endif 128 129 #endif /* _CNST_H_ */ 130