From 9bf37cc9712506b2483650c82d3c41152337ef7e Mon Sep 17 00:00:00 2001 From: Dave Burke Date: Tue, 17 Apr 2012 09:51:45 -0700 Subject: Fraunhofer AAC codec. License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5 --- libAACenc/src/band_nrg.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 libAACenc/src/band_nrg.h (limited to 'libAACenc/src/band_nrg.h') diff --git a/libAACenc/src/band_nrg.h b/libAACenc/src/band_nrg.h new file mode 100644 index 0000000..23a207b --- /dev/null +++ b/libAACenc/src/band_nrg.h @@ -0,0 +1,86 @@ +/******************************** 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. + + + $Id$ + Author(s): M. Werner + Description: Band/Line energy calculation + + 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. + +******************************************************************************/ +#ifndef _BAND_NRG_H +#define _BAND_NRG_H + +#include "common_fix.h" + + +void +FDKaacEnc_CalcSfbMaxScaleSpec( + const FIXP_DBL *mdctSpectrum, + const INT *bandOffset, + INT *sfbMaxScaleSpec, + const INT numBands + ); + +FIXP_DBL +FDKaacEnc_CheckBandEnergyOptim( + const FIXP_DBL *mdctSpectrum, + INT *sfbMaxScaleSpec, + const INT *bandOffset, + const INT numBands, + FIXP_DBL *bandEnergy, + FIXP_DBL *bandEnergyLdData, + INT minSpecShift + ); + +INT +FDKaacEnc_CalcBandEnergyOptimLong( + const FIXP_DBL *mdctSpectrum, + INT *sfbMaxScaleSpec, + const INT *bandOffset, + const INT numBands, + FIXP_DBL *bandEnergy, + FIXP_DBL *bandEnergyLdData + ); + +void +FDKaacEnc_CalcBandEnergyOptimShort( + const FIXP_DBL *mdctSpectrum, + INT *sfbMaxScaleSpec, + const INT *bandOffset, + const INT numBands, + FIXP_DBL *bandEnergy + ); + + +void FDKaacEnc_CalcBandNrgMSOpt( + const FIXP_DBL *RESTRICT mdctSpectrumLeft, + const FIXP_DBL *RESTRICT mdctSpectrumRight, + INT *RESTRICT sfbMaxScaleSpecLeft, + INT *RESTRICT sfbMaxScaleSpecRight, + const INT *RESTRICT bandOffset, + const INT numBands, + FIXP_DBL *RESTRICT bandEnergyMid, + FIXP_DBL *RESTRICT bandEnergySide, + INT calcLdData, + FIXP_DBL *RESTRICT bandEnergyMidLdData, + FIXP_DBL *RESTRICT bandEnergySideLdData); + +#endif -- cgit v1.2.3