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diff --git a/libAACenc/src/qc_main.h b/libAACenc/src/qc_main.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: Quantizing & coding
+
+******************************************************************************/
+#ifndef _QC_MAIN_H
+#define _QC_MAIN_H
+
+
+#include "aacenc.h"
+#include "qc_data.h"
+#include "interface.h"
+#include "psy_main.h"
+#include "tpenc_lib.h"
+
+/* Quantizing & coding stage */
+
+AAC_ENCODER_ERROR FDKaacEnc_QCOutNew(QC_OUT    **phQC,
+                                     const INT   nElements,
+                                     const INT   nChannels,
+                                     const INT   nSubFrames
+                                    ,UCHAR   *dynamic_RAM
+                                     );
+
+AAC_ENCODER_ERROR FDKaacEnc_QCOutInit(QC_OUT          *phQC[(1)],
+                                      const INT        nSubFrames,
+                                      const CHANNEL_MAPPING *cm);
+
+AAC_ENCODER_ERROR  FDKaacEnc_QCNew(QC_STATE  **phQC,
+                                   INT         nElements
+                                  ,UCHAR* dynamic_RAM
+           );
+
+AAC_ENCODER_ERROR FDKaacEnc_QCInit(QC_STATE *hQC, struct QC_INIT *init);
+
+AAC_ENCODER_ERROR FDKaacEnc_QCMainPrepare(
+           ELEMENT_INFO              *elInfo,
+           ATS_ELEMENT*  RESTRICT     adjThrStateElement,
+           PSY_OUT_ELEMENT* RESTRICT  psyOutElement,
+           QC_OUT_ELEMENT* RESTRICT   qcOutElement,   /* returns error code       */
+           AUDIO_OBJECT_TYPE          aot,
+           UINT                       syntaxFlags,
+           SCHAR                      epConfig
+           );
+
+
+AAC_ENCODER_ERROR FDKaacEnc_QCMain(QC_STATE* RESTRICT         hQC,
+                                   PSY_OUT**                  psyOut,
+                                   QC_OUT**                   qcOut,
+                                   INT                        avgTotalBits,
+                                   CHANNEL_MAPPING*           cm
+                                  ,AUDIO_OBJECT_TYPE          aot,
+                                   UINT                       syntaxFlags,
+                                   SCHAR                      epConfig
+                                   );
+
+AAC_ENCODER_ERROR FDKaacEnc_updateFillBits(CHANNEL_MAPPING*          cm,
+                                           QC_STATE*                 qcKernel,
+                                           ELEMENT_BITS* RESTRICT    elBits[(6)],
+                                           QC_OUT**                  qcOut);
+
+
+void FDKaacEnc_updateBitres(  CHANNEL_MAPPING *cm,
+                    QC_STATE *qcKernel,
+                    QC_OUT **qcOut);
+
+AAC_ENCODER_ERROR FDKaacEnc_FinalizeBitConsumption( CHANNEL_MAPPING *cm,
+                                                    QC_STATE *hQC,
+                                                    QC_OUT *qcOut,
+                                                    QC_OUT_ELEMENT** qcElement,
+                                                    HANDLE_TRANSPORTENC hTpEnc,
+                                                    AUDIO_OBJECT_TYPE   aot,
+                                                    UINT                syntaxFlags,
+                                                    SCHAR               epConfig
+                                                  );
+
+AAC_ENCODER_ERROR FDKaacEnc_AdjustBitrate(QC_STATE *RESTRICT hQC,
+                  CHANNEL_MAPPING *RESTRICT cm,
+                  INT *avgTotalBits,
+                  INT bitRate,
+                  INT sampleRate,
+                  INT granuleLength);
+
+void  FDKaacEnc_QCClose (QC_STATE  **phQCstate, QC_OUT **phQC);
+
+#endif /* _QC_MAIN_H */