Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 65 insertions, 0 deletions

diff --git a/libSBRdec/src/sbr_crc.h b/libSBRdec/src/sbr_crc.h
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+++ b/libSBRdec/src/sbr_crc.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  CRC checking routines $Revision: 36841 $
+*/
+#ifndef __SBR_CRC_H
+#define __SBR_CRC_H
+
+#include "sbrdecoder.h"
+
+#include "FDK_bitstream.h"
+
+/* some useful crc polynoms:
+
+crc5: x^5+x^4+x^2+x^1+1
+crc6: x^6+x^5+x^3+x^2+x+1
+crc7: x^7+x^6+x^2+1
+crc8: x^8+x^2+x+x+1
+*/
+
+/* default SBR CRC */  /* 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_START                 0x0000
+#define SBR_CRC_RANGE                 0x03FF
+
+typedef struct
+{
+  USHORT crcState;
+  USHORT crcMask;
+  USHORT crcPoly;
+}
+CRC_BUFFER;
+
+typedef CRC_BUFFER *HANDLE_CRC;
+
+int SbrCrcCheck (HANDLE_FDK_BITSTREAM hBitBuf,
+                 LONG                 NrCrcBits);
+
+
+#endif