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diff --git a/libSBRenc/src/env_bit.h b/libSBRenc/src/env_bit.h
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+++ b/libSBRenc/src/env_bit.h
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+/****************************************************************************
+
+                     (C) Copyright Fraunhofer IIS (2004)
+                               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.
+
+ $Id$
+
+*******************************************************************************/
+/*!
+  \file
+  \brief  Remaining SBR Bit Writing Routines
+*/
+
+#ifndef BIT_ENV_H
+#define BIT_ENV_H
+
+#include "sbr_encoder.h"
+#include "FDK_crc.h"
+
+/* G(x) = x^10 + x^9 + x^5 + x^4 + x + 1 */
+#define SBR_CRC_POLY     (0x0233)
+#define SBR_CRC_MASK     (0x0200)
+#define SBR_CRC_RANGE    (0x03FF)
+#define SBR_CRC_MAXREGS     1
+#define SBR_CRCINIT      (0x0)
+
+
+#define SI_SBR_CRC_ENABLE_BITS                  0
+#define SI_SBR_CRC_BITS                        10
+#define SI_SBR_DRM_CRC_BITS                     8
+
+
+struct COMMON_DATA;
+
+INT FDKsbrEnc_InitSbrBitstream(struct COMMON_DATA  *hCmonData,
+                               UCHAR               *memoryBase,
+                               INT                  memorySize,
+                               HANDLE_FDK_CRCINFO   hCrcInfo,
+                               UINT                 sbrSyntaxFlags);
+
+void
+FDKsbrEnc_AssembleSbrBitstream (struct COMMON_DATA  *hCmonData,
+                                HANDLE_FDK_CRCINFO   hCrcInfo,
+                                INT                  crcReg,
+                                UINT                 sbrSyntaxFlags);
+
+
+
+
+
+#endif /* #ifndef BIT_ENV_H */