voaac-go/aacenc/external/aacenc/src/pre_echo_control.h
2018-03-06 04:50:55 +01:00

43 lines
1.4 KiB
C

/*
** Copyright 2003-2010, VisualOn, Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
/*******************************************************************************
File: pre_echo_control.h
Content: Pre echo control functions
*******************************************************************************/
#ifndef __PRE_ECHO_CONTROL_H
#define __PRE_ECHO_CONTROL_H
#include "typedefs.h"
void InitPreEchoControl(Word32 *pbThresholdnm1,
Word16 numPb,
Word32 *pbThresholdQuiet);
void PreEchoControl(Word32 *pbThresholdNm1,
Word16 numPb,
Word32 maxAllowedIncreaseFactor,
Word16 minRemainingThresholdFactor,
Word32 *pbThreshold,
Word16 mdctScale,
Word16 mdctScalenm1);
#endif