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authorDave Burke <daveburke@google.com>2012-04-17 09:51:45 -0700
committerDave Burke <daveburke@google.com>2012-04-17 23:04:43 -0700
commit9bf37cc9712506b2483650c82d3c41152337ef7e (patch)
tree77db44e2bae06e3d144b255628be2b7a55c581d3 /libAACenc/src/quantize.h
parenta37315fe10ee143d6d0b28c19d41a476a23e63ea (diff)
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Fraunhofer AAC codec.
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
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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: Quantization
+
+******************************************************************************/
+#ifndef _QUANTIZE_H_
+#define _QUANTIZE_H_
+
+#include "common_fix.h"
+
+/* quantizing */
+
+#define MAX_QUANT 8191
+
+void FDKaacEnc_QuantizeSpectrum(INT sfbCnt,
+ INT maxSfbPerGroup,
+ INT sfbPerGroup,
+ INT *sfbOffset, FIXP_DBL *mdctSpectrum,
+ INT globalGain, INT *scalefactors,
+ SHORT *quantizedSpectrum);
+
+FIXP_DBL FDKaacEnc_calcSfbDist(FIXP_DBL *mdctSpectrum,
+ SHORT *quantSpectrum,
+ INT noOfLines,
+ INT gain);
+
+void FDKaacEnc_calcSfbQuantEnergyAndDist(FIXP_DBL *mdctSpectrum,
+ SHORT *quantSpectrum,
+ INT noOfLines,
+ INT gain,
+ FIXP_DBL *en,
+ FIXP_DBL *dist);
+
+#endif /* _QUANTIZE_H_ */