pre_echo_control.h revision 956c553ab0ce72f8074ad0fda2ffd66a0305700c
1/*
2 ** Copyright 2003-2010, VisualOn, Inc.
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 express or implied.
13 ** See the License for the specific language governing permissions and
14 ** limitations under the License.
15 */
16/*******************************************************************************
17	File:		pre_echo_control.h
18
19	Content:	Pre echo control functions
20
21*******************************************************************************/
22
23#ifndef __PRE_ECHO_CONTROL_H
24#define __PRE_ECHO_CONTROL_H
25
26#include "typedefs.h"
27
28void InitPreEchoControl(Word32 *pbThresholdnm1,
29                        Word16  numPb,
30                        Word32 *pbThresholdQuiet);
31
32
33void PreEchoControl(Word32 *pbThresholdNm1,
34                    Word16  numPb,
35                    Word32  maxAllowedIncreaseFactor,
36                    Word16  minRemainingThresholdFactor,
37                    Word32 *pbThreshold,
38                    Word16  mdctScale,
39                    Word16  mdctScalenm1);
40
41#endif
42
43