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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: Psychoaccoustic configuration
+
+******************************************************************************/
+#ifndef _PSY_CONFIGURATION_H
+#define _PSY_CONFIGURATION_H
+
+
+#include "aacenc.h"
+#include "common_fix.h"
+
+#include "psy_const.h"
+#include "aacenc_tns.h"
+#include "aacenc_pns.h"
+
+#define THR_SHIFTBITS 4
+#define PCM_QUANT_THR_SCALE 16
+
+#define C_RATIO (FIXP_DBL)0x02940a10 /* FL2FXCONST_DBL(0.001258925f) << THR_SHIFTBITS; */ /* pow(10.0f, -(29.0f/10.0f)) */
+
+typedef struct{
+
+ INT sfbCnt; /* number of existing sf bands */
+ INT sfbActive; /* number of sf bands containing energy after lowpass */
+ INT sfbActiveLFE;
+ INT sfbOffset[MAX_SFB+1];
+
+ INT filterbank; /* LC, LD or ELD */
+
+ FIXP_DBL sfbPcmQuantThreshold[MAX_SFB];
+
+ INT maxAllowedIncreaseFactor; /* preecho control */
+ FIXP_SGL minRemainingThresholdFactor;
+
+ INT lowpassLine;
+ INT lowpassLineLFE;
+ FIXP_DBL clipEnergy; /* for level dependend tmn */
+
+ FIXP_DBL sfbMaskLowFactor[MAX_SFB];
+ FIXP_DBL sfbMaskHighFactor[MAX_SFB];
+
+ FIXP_DBL sfbMaskLowFactorSprEn[MAX_SFB];
+ FIXP_DBL sfbMaskHighFactorSprEn[MAX_SFB];
+
+ FIXP_DBL sfbMinSnrLdData[MAX_SFB]; /* minimum snr (formerly known as bmax) */
+
+ TNS_CONFIG tnsConf;
+ PNS_CONFIG pnsConf;
+
+ INT granuleLength;
+ INT allowIS;
+
+}PSY_CONFIGURATION;
+
+
+typedef struct{
+ UCHAR sfbCnt; /* Number of scalefactor bands */
+ UCHAR sfbWidth[MAX_SFB_LONG]; /* Width of scalefactor bands for long blocks */
+}SFB_PARAM_LONG;
+
+typedef struct{
+ UCHAR sfbCnt; /* Number of scalefactor bands */
+ UCHAR sfbWidth[MAX_SFB_SHORT]; /* Width of scalefactor bands for short blocks */
+}SFB_PARAM_SHORT;
+
+
+AAC_ENCODER_ERROR FDKaacEnc_InitPsyConfiguration(INT bitrate,
+ INT samplerate,
+ INT bandwidth,
+ INT blocktype,
+ INT granuleLength,
+ INT useIS,
+ PSY_CONFIGURATION *psyConf,
+ FB_TYPE filterbank);
+
+#endif /* _PSY_CONFIGURATION_H */
+
+
+