Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 48 insertions, 0 deletions

diff --git a/libFDK/include/mips/scale.h b/libFDK/include/mips/scale.h
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+/***************************  Fraunhofer IIS FDK Tools  **********************
+
+                        (C) Copyright Fraunhofer IIS (2007)
+                               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.
+
+
+   $Id$
+   Author(s):
+   Description:
+
+   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.
+
+******************************************************************************/
+
+#ifndef MIPS_SCALE_H
+#define MIPS_SCALE_H
+
+#if defined(__mips_dsp)
+
+/*!
+*
+*  \brief  Scale input value by 2^{scale} and saturate output to 2^{dBits-1}
+*  \return scaled and saturated value
+*
+*  This macro scales src value right or left and applies saturation to (2^dBits)-1
+*  maxima output.
+*/
+#define SATURATE_RIGHT_SHIFT(src, scale, dBits)       \
+          (__builtin_mips_shll_s_w((src)>>scale,(DFRACT_BITS-(dBits)))>>(DFRACT_BITS-(dBits)))
+
+
+#endif /*__mips_dsp */
+
+#endif /* MIPS_SCALE_H */