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 Filename: /audio/gsm_amr/c/include/dtx_common_def.h 31 32 ------------------------------------------------------------------------------ 33 REVISION HISTORY 34 35 36 Who: Date: 37 Description: 38 39 ------------------------------------------------------------------------------ 40 INCLUDE DESCRIPTION 41 42 File : dtx_common_def.h 43 Purpose : DTX definitions common to encoder and decoder 44 45 ------------------------------------------------------------------------------ 46 */ 47 48 /*---------------------------------------------------------------------------- 49 ; CONTINUE ONLY IF NOT ALREADY DEFINED 50 ----------------------------------------------------------------------------*/ 51 #ifndef DTX_COMMON_DEF_H 52 #define DTX_COMMON_DEF_H 53 54 /*---------------------------------------------------------------------------- 55 ; INCLUDES 56 ----------------------------------------------------------------------------*/ 57 58 /*--------------------------------------------------------------------------*/ 59 #ifdef __cplusplus 60 extern "C" 61 { 62 #endif 63 64 /*---------------------------------------------------------------------------- 65 ; MACROS 66 ; Define module specific macros here 67 ----------------------------------------------------------------------------*/ 68 69 /*---------------------------------------------------------------------------- 70 ; DEFINES 71 ; Include all pre-processor statements here. 72 ----------------------------------------------------------------------------*/ 73 #define DTX_MAX_EMPTY_THRESH 50 74 #define DTX_HIST_SIZE 8 75 #define DTX_ELAPSED_FRAMES_THRESH (24 + 7 -1) 76 #define DTX_HANG_CONST 7 /* yields eight frames of SP HANGOVER */ 77 78 /*---------------------------------------------------------------------------- 79 ; EXTERNAL VARIABLES REFERENCES 80 ; Declare variables used in this module but defined elsewhere 81 ----------------------------------------------------------------------------*/ 82 83 /*---------------------------------------------------------------------------- 84 ; SIMPLE TYPEDEF'S 85 ----------------------------------------------------------------------------*/ 86 87 88 /*---------------------------------------------------------------------------- 89 ; ENUMERATED TYPEDEF'S 90 ----------------------------------------------------------------------------*/ 91 92 /*---------------------------------------------------------------------------- 93 ; STRUCTURES TYPEDEF'S 94 ----------------------------------------------------------------------------*/ 95 /*---------------------------------------------------------------------------- 96 ; END 97 ----------------------------------------------------------------------------*/ 98 #ifdef __cplusplus 99 } 100 #endif 101 102 #endif /* DTX_COMMON_DEF_H */ 103 104
