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+/******************************** MPEG Audio Encoder **************************
+
+ (C) Copyright Fraunhofer IIS (1999)
+ All Rights Reserved
+
+ Please be advised that this software and/or program delivery is
+ Confidential Information of Fraunhofer and subject to and covered by the
+
+ Fraunhofer IIS Software Evaluation Agreement
+ between Google Inc. and Fraunhofer
+ effective and in full force since March 1, 2012.
+
+ You may use this software and/or program only under the terms and
+ conditions described in the above mentioned Fraunhofer IIS Software
+ Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+ This software and/or program is protected by copyright law and international
+ treaties. Any reproduction or distribution of this software and/or program,
+ or any portion of it, may result in severe civil and criminal penalties, and
+ will be prosecuted to the maximum extent possible under law.
+
+ $Id$
+ Initial author: M.Werner
+ contents/description: Pre echo control
+
+******************************************************************************/
+#ifndef __PRE_ECHO_CONTROL_H
+#define __PRE_ECHO_CONTROL_H
+
+#include "common_fix.h"
+
+
+void FDKaacEnc_InitPreEchoControl(FIXP_DBL *pbThresholdnm1,
+ INT *calcPreEcho,
+ INT numPb,
+ FIXP_DBL *sfbPcmQuantThreshold,
+ INT *mdctScalenm1);
+
+
+void FDKaacEnc_PreEchoControl(FIXP_DBL *pbThresholdNm1,
+ INT calcPreEcho,
+ INT numPb,
+ INT maxAllowedIncreaseFactor,
+ FIXP_SGL minRemainingThresholdFactor,
+ FIXP_DBL *pbThreshold,
+ INT mdctScale,
+ INT *mdctScalenm1);
+
+#endif
+