Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 207 insertions, 0 deletions

diff --git a/libFDK/include/cplx_mul.h b/libFDK/include/cplx_mul.h
new file mode 100644
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--- /dev/null
+++ b/libFDK/include/cplx_mul.h
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+/***************************  Fraunhofer IIS FDK Tools  **********************
+
+                        (C) Copyright Fraunhofer IIS (2006)
+                               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: fixed point intrinsics
+
+   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.
+
+******************************************************************************/
+
+#include "common_fix.h"
+
+#if !defined(__CPLX_Mult_H__)
+#define __CPLX_Mult_H__
+
+#if defined(__CC_ARM) || defined(__arm__) || defined(_M_ARM)	/* cppp replaced: elif */
+#include "arm/cplx_mul.h"
+
+#elif defined(__GNUC__) && defined(__mips__)	/* cppp replaced: elif */
+#include "mips/cplx_mul.h"
+
+#endif /* #if defined all cores: bfin, arm, etc. */
+
+/* ############################################################################# */
+
+/* Fallback generic implementations */
+
+#if !defined(FUNCTION_cplxMultDiv2_32x16X2)
+#define FUNCTION_cplxMultDiv2_32x16X2
+
+inline void cplxMultDiv2( FIXP_DBL *c_Re,
+                          FIXP_DBL *c_Im,
+                          const FIXP_DBL  a_Re,
+                          const FIXP_DBL  a_Im,
+                          const FIXP_SGL  b_Re,
+                          const FIXP_SGL  b_Im)
+{
+  *c_Re = fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
+  *c_Im = fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMultDiv2_32x16)
+#define FUNCTION_cplxMultDiv2_32x16
+
+inline void cplxMultDiv2( FIXP_DBL *c_Re,
+                          FIXP_DBL *c_Im,
+                          const FIXP_DBL a_Re,
+                          const FIXP_DBL a_Im,
+                          const FIXP_SPK w )
+{
+  cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMultAddDiv2_32x16X2)
+#define FUNCTION_cplxMultAddDiv2_32x16X2
+
+inline void cplxMultAddDiv2( FIXP_DBL *c_Re,
+                          FIXP_DBL *c_Im,
+                          const FIXP_DBL  a_Re,
+                          const FIXP_DBL  a_Im,
+                          const FIXP_SGL  b_Re,
+                          const FIXP_SGL  b_Im)
+{
+  *c_Re += fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
+  *c_Im += fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMultSubDiv2_32x16X2)
+#define FUNCTION_cplxMultSubDiv2_32x16X2
+
+inline void cplxMultSubDiv2( FIXP_DBL *c_Re,
+                             FIXP_DBL *c_Im,
+                             const FIXP_DBL  a_Re,
+                             const FIXP_DBL  a_Im,
+                             const FIXP_SGL  b_Re,
+                             const FIXP_SGL  b_Im)
+{
+  *c_Re -= fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
+  *c_Im -= fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMultDiv2_32x32X2)
+#define FUNCTION_cplxMultDiv2_32x32X2
+
+inline void cplxMultDiv2( FIXP_DBL *c_Re,
+                          FIXP_DBL *c_Im,
+                          const FIXP_DBL  a_Re,
+                          const FIXP_DBL  a_Im,
+                          const FIXP_DBL  b_Re,
+                          const FIXP_DBL  b_Im)
+{
+  *c_Re = fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
+  *c_Im = fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMultDiv2_32x32)
+#define FUNCTION_cplxMultDiv2_32x32
+
+inline void cplxMultDiv2( FIXP_DBL *c_Re,
+                          FIXP_DBL *c_Im,
+                          const FIXP_DBL  a_Re,
+                          const FIXP_DBL  a_Im,
+                          const FIXP_DPK  w)
+{
+  cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMultSubDiv2_32x32X2)
+#define FUNCTION_cplxMultSubDiv2_32x32X2
+
+inline void cplxMultSubDiv2( FIXP_DBL *c_Re,
+                             FIXP_DBL *c_Im,
+                             const FIXP_DBL  a_Re,
+                             const FIXP_DBL  a_Im,
+                             const FIXP_DBL  b_Re,
+                             const FIXP_DBL  b_Im)
+{
+  *c_Re -= fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
+  *c_Im -= fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
+}
+#endif
+
+/* ############################################################################# */
+
+#if !defined(FUNCTION_cplxMult_32x16X2)
+#define FUNCTION_cplxMult_32x16X2
+
+inline void cplxMult( FIXP_DBL *c_Re,
+                      FIXP_DBL *c_Im,
+                      const FIXP_DBL  a_Re,
+                      const FIXP_DBL  a_Im,
+                      const FIXP_SGL  b_Re,
+                      const FIXP_SGL  b_Im)
+{
+  *c_Re = fMult(a_Re,b_Re) - fMult(a_Im,b_Im);
+  *c_Im = fMult(a_Re,b_Im) + fMult(a_Im,b_Re);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMult_32x16)
+#define FUNCTION_cplxMult_32x16
+
+inline void cplxMult( FIXP_DBL *c_Re,
+                      FIXP_DBL *c_Im,
+                      const FIXP_DBL a_Re,
+                      const FIXP_DBL a_Im,
+                      const FIXP_SPK w )
+{
+  cplxMult(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMult_32x32X2)
+#define FUNCTION_cplxMult_32x32X2
+
+inline void cplxMult( FIXP_DBL *c_Re,
+                      FIXP_DBL *c_Im,
+                      const FIXP_DBL  a_Re,
+                      const FIXP_DBL  a_Im,
+                      const FIXP_DBL  b_Re,
+                      const FIXP_DBL  b_Im)
+{
+  *c_Re = fMult(a_Re,b_Re) - fMult(a_Im,b_Im);
+  *c_Im = fMult(a_Re,b_Im) + fMult(a_Im,b_Re);
+}
+#endif
+
+#if !defined(FUNCTION_cplxMult_32x32)
+#define FUNCTION_cplxMult_32x32
+inline void cplxMult( FIXP_DBL *c_Re,
+                      FIXP_DBL *c_Im,
+                      const FIXP_DBL  a_Re,
+                      const FIXP_DBL  a_Im,
+                      const FIXP_DPK  w)
+{
+  cplxMult(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
+}
+#endif
+
+/* ############################################################################# */
+
+#endif /* __CPLX_Mult_H__ */
+