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diff --git a/libAACenc/src/dyn_bits.h b/libAACenc/src/dyn_bits.h
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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: Noiseless coder module
+
+******************************************************************************/
+#ifndef __DYN_BITS_H
+#define __DYN_BITS_H
+
+#include "common_fix.h"
+
+#include "psy_const.h"
+#include "aacenc_tns.h"
+
+#define MAX_SECTIONS          MAX_GROUPED_SFB
+#define SECT_ESC_VAL_LONG    31
+#define SECT_ESC_VAL_SHORT    7
+#define CODE_BOOK_BITS        4
+#define SECT_BITS_LONG        5
+#define SECT_BITS_SHORT       3
+#define PNS_PCM_BITS          9
+
+typedef struct
+{
+  INT codeBook;
+  INT sfbStart;
+  INT sfbCnt;
+  INT sectionBits;              /* huff + si ! */
+} SECTION_INFO;
+
+
+typedef struct
+{
+  INT blockType;
+  INT noOfGroups;
+  INT sfbCnt;
+  INT maxSfbPerGroup;
+  INT sfbPerGroup;
+  INT noOfSections;
+  SECTION_INFO huffsection[MAX_SECTIONS];
+  INT sideInfoBits;             /* sectioning bits       */
+  INT huffmanBits;              /* huffman    coded bits */
+  INT scalefacBits;             /* scalefac   coded bits */
+  INT noiseNrgBits;             /* noiseEnergy coded bits */
+  INT firstScf;                 /* first scf to be coded */
+} SECTION_DATA;
+
+
+struct BITCNTR_STATE
+{
+  INT *bitLookUp;
+  INT *mergeGainLookUp;
+};
+
+
+INT  FDKaacEnc_BCNew(BITCNTR_STATE **phBC
+          ,UCHAR* dynamic_RAM
+          );
+
+void FDKaacEnc_BCClose(BITCNTR_STATE **phBC);
+
+#if defined(PNS_PRECOUNT_ENABLE)
+INT  noisePreCount(const INT *noiseNrg, INT maxSfb);
+#endif
+
+INT FDKaacEnc_dynBitCount(
+        BITCNTR_STATE* const         hBC,
+        const SHORT* const           quantSpectrum,
+        const UINT* const            maxValueInSfb,
+        const INT* const             scalefac,
+        const INT                    blockType,
+        const INT                    sfbCnt,
+        const INT                    maxSfbPerGroup,
+        const INT                    sfbPerGroup,
+        const INT* const             sfbOffset,
+        SECTION_DATA* const RESTRICT sectionData,
+        const INT* const             noiseNrg,
+        const INT* const             isBook,
+        const INT* const             isScale,
+        const UINT                   syntaxFlags
+        );
+
+#endif