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 28 void InitPreEchoControl(Word32 *pbThresholdnm1, 29 Word16 numPb, 30 Word32 *pbThresholdQuiet); 31 32 33 void 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
