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 ------------------------------------------------------------------------------ 31 32 33 34 Filename: /audio/gsm_amr/c/include/spreproc.h 35 36 Date: 02/06/2002 37 38 ------------------------------------------------------------------------------ 39 REVISION HISTORY 40 41 Description: Placed header file in the proper template format. 42 43 Description: Replaced "int" and/or "char" with OSCL defined types. 44 45 Description: Moved _cplusplus #ifdef after Include section. 46 47 Description: 48 49 ------------------------------------------------------------------------------ 50 INCLUDE DESCRIPTION 51 52 This file contains all the constant definitions and prototype definitions 53 needed by the file, spreproc.c 54 55 ------------------------------------------------------------------------------ 56 */ 57 58 /*---------------------------------------------------------------------------- 59 ; CONTINUE ONLY IF NOT ALREADY DEFINED 60 ----------------------------------------------------------------------------*/ 61 #ifndef spreproc_h 62 #define spreproc_h "$Id $" 63 64 /*---------------------------------------------------------------------------- 65 ; INCLUDES 66 ----------------------------------------------------------------------------*/ 67 #include "cnst.h" 68 #include "mode.h" 69 #include "typedef.h" 70 71 /*--------------------------------------------------------------------------*/ 72 #ifdef __cplusplus 73 extern "C" 74 { 75 #endif 76 77 /*---------------------------------------------------------------------------- 78 ; MACROS 79 ; Define module specific macros here 80 ----------------------------------------------------------------------------*/ 81 82 /*---------------------------------------------------------------------------- 83 ; DEFINES 84 ; Include all pre-processor statements here. 85 ----------------------------------------------------------------------------*/ 86 87 /*---------------------------------------------------------------------------- 88 ; EXTERNAL VARIABLES REFERENCES 89 ; Declare variables used in this module but defined elsewhere 90 ----------------------------------------------------------------------------*/ 91 92 /*---------------------------------------------------------------------------- 93 ; SIMPLE TYPEDEF'S 94 ----------------------------------------------------------------------------*/ 95 96 /*---------------------------------------------------------------------------- 97 ; ENUMERATED TYPEDEF'S 98 ----------------------------------------------------------------------------*/ 99 100 /*---------------------------------------------------------------------------- 101 ; STRUCTURES TYPEDEF'S 102 ----------------------------------------------------------------------------*/ 103 104 /*---------------------------------------------------------------------------- 105 ; GLOBAL FUNCTION DEFINITIONS 106 ; Function Prototype declaration 107 ----------------------------------------------------------------------------*/ 108 void subframePreProc( 109 enum Mode mode, /* i : coder mode */ 110 const Word16 gamma1[], /* i : spectral exp. factor 1 */ 111 const Word16 gamma1_12k2[],/* i : spectral exp. factor 1 for EFR */ 112 const Word16 gamma2[], /* i : spectral exp. factor 2 */ 113 Word16 *A, /* i : A(z) unquantized for the 4 subframes */ 114 Word16 *Aq, /* i : A(z) quantized for the 4 subframes */ 115 Word16 *speech, /* i : speech segment */ 116 Word16 *mem_err, /* i : pointer to error signal */ 117 Word16 *mem_w0, /* i : memory of weighting filter */ 118 Word16 *zero, /* i : pointer to zero vector */ 119 Word16 ai_zero[], /* o : history of weighted synth. filter */ 120 Word16 exc[], /* o : long term prediction residual */ 121 Word16 h1[], /* o : impulse response */ 122 Word16 xn[], /* o : target vector for pitch search */ 123 Word16 res2[], /* o : long term prediction residual */ 124 Word16 error[] /* o : error of LPC synthesis filter */ 125 ); 126 127 /*---------------------------------------------------------------------------- 128 ; END 129 ----------------------------------------------------------------------------*/ 130 #ifdef __cplusplus 131 } 132 #endif 133 134 #endif /* spreproc_h */ 135 136
