1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23 Available from http://www.3gpp.org
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 ****************************************************************************************/
30 Filename: dtx_common_def.h
32 ------------------------------------------------------------------------------
35 File : dtx_common_def.h
36 Purpose : DTX definitions common to encoder and decoder
38 ------------------------------------------------------------------------------
41 /*----------------------------------------------------------------------------
42 ; CONTINUE ONLY IF NOT ALREADY DEFINED
43 ----------------------------------------------------------------------------*/
44 #ifndef DTX_COMMON_DEF_H
45 #define DTX_COMMON_DEF_H
47 /*----------------------------------------------------------------------------
49 ----------------------------------------------------------------------------*/
51 /*--------------------------------------------------------------------------*/
57 /*----------------------------------------------------------------------------
59 ; Define module specific macros here
60 ----------------------------------------------------------------------------*/
62 /*----------------------------------------------------------------------------
64 ; Include all pre-processor statements here.
65 ----------------------------------------------------------------------------*/
66 #define DTX_MAX_EMPTY_THRESH 50
67 #define DTX_HIST_SIZE 8
68 #define DTX_ELAPSED_FRAMES_THRESH (24 + 7 -1)
69 #define DTX_HANG_CONST 7 /* yields eight frames of SP HANGOVER */
71 /*----------------------------------------------------------------------------
72 ; EXTERNAL VARIABLES REFERENCES
73 ; Declare variables used in this module but defined elsewhere
74 ----------------------------------------------------------------------------*/
76 /*----------------------------------------------------------------------------
78 ----------------------------------------------------------------------------*/
81 /*----------------------------------------------------------------------------
82 ; ENUMERATED TYPEDEF'S
83 ----------------------------------------------------------------------------*/
85 /*----------------------------------------------------------------------------
86 ; STRUCTURES TYPEDEF'S
87 ----------------------------------------------------------------------------*/
88 /*----------------------------------------------------------------------------
90 ----------------------------------------------------------------------------*/
95 #endif /* DTX_COMMON_DEF_H */