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 ********************************************************************************
31 **-------------------------------------------------------------------------**
33 ** GSM AMR-NB speech codec R98 Version 7.5.0 March 2, 2001 **
34 ** R99 Version 3.2.0 **
35 ** REL-4 Version 4.0.0 **
37 **-------------------------------------------------------------------------**
38 ********************************************************************************
41 * Purpose : Voice Activity Detection (VAD) for AMR
43 ********************************************************************************
49 ********************************************************************************
51 ********************************************************************************
54 #include "vad1.h" /* for VAD option 1 */
55 #include "vad2.h" /* for VAD option 2 */
58 ********************************************************************************
59 * LOCAL VARIABLES AND TABLES
60 ********************************************************************************
64 ********************************************************************************
65 * DEFINITION OF DATA TYPES
66 ********************************************************************************
70 #define vadState vadState1
72 #define vadState vadState2