Merge remote-tracking branch 'aosp/jb-mr1-release' into master

Conflicts:
	libAACenc/src/band_nrg.cpp
	libAACenc/src/grp_data.cpp
	libSBRenc/src/env_est.cpp

7 files changed, 204 insertions, 12 deletions

diff --git a/libFDK/include/FDK_archdef.h b/libFDK/include/FDK_archdef.h
index 22ec0ed..a963f55 100644
--- a/libFDK/include/FDK_archdef.h
+++ b/libFDK/include/FDK_archdef.h
@@ -155,7 +155,6 @@ amm-info@iis.fraunhofer.de
 #endif
 
 
-
 /* Define preferred Multiplication type */
 #if defined(FDK_HIGH_PERFORMANCE) && !defined(FDK_HIGH_QUALITY) /* FDK_HIGH_PERFORMANCE */
 
diff --git a/libFDK/include/clz.h b/libFDK/include/clz.h
index 4f7d240..d276002 100644
--- a/libFDK/include/clz.h
+++ b/libFDK/include/clz.h
@@ -100,6 +100,9 @@ amm-info@iis.fraunhofer.de
 #elif defined(__mips__)	/* cppp replaced: elif */
 #include "mips/clz_mips.h"
 
+#elif defined(__x86__)	/* cppp replaced: elif */
+#include "x86/clz_x86.h"
+
 #endif /* all cores */
 
 
diff --git a/libFDK/include/common_fix.h b/libFDK/include/common_fix.h
index 83d4ba3..a39548e 100644
--- a/libFDK/include/common_fix.h
+++ b/libFDK/include/common_fix.h
@@ -225,7 +225,6 @@ FDK_INLINE FIXP_DBL fAbs(FIXP_DBL x)
 FDK_INLINE FIXP_SGL fAbs(FIXP_SGL x)
                 { return fixabs_S(x); }
 
-
 /* workaround for TI C6x compiler but not for TI ARM9E compiler */
 #if (!defined(__TI_COMPILER_VERSION__) || defined(__TI_TMS470_V5__)) && !defined(__x86_64__)
 FDK_INLINE INT  fAbs(INT x)
@@ -336,7 +335,6 @@ FDK_INLINE FIXP_SGL fMin(FIXP_SGL a, FIXP_SGL b)
 FDK_INLINE FIXP_SGL fMax(FIXP_SGL a, FIXP_SGL b)
                 { return fixmax_S(a,b); }
 
-
 /* workaround for TI C6x compiler but not for TI ARM9E */
 #if ((!defined(__TI_COMPILER_VERSION__) || defined(__TI_TMS470_V5__)) && !defined(__x86_64__)) || (FIX_FRACT == 1)
 FDK_INLINE INT fMax(INT a, INT b)
diff --git a/libFDK/include/mips/cplx_mul.h b/libFDK/include/mips/cplx_mul.h
index 4e8f26f..fb777ce 100644
--- a/libFDK/include/mips/cplx_mul.h
+++ b/libFDK/include/mips/cplx_mul.h
@@ -107,10 +107,23 @@ inline void cplxMultDiv2( FIXP_DBL *c_Re,
                           FIXP_DBL  b_Re,
                           FIXP_DBL  b_Im)
 {
-   INT result;
-   result = (((long long)a_Re * b_Re) - ((long long) a_Im * b_Im)) >> 32;
+  INT result;
+
+   __asm__ ("mult %[a_Re], %[b_Re];\n"
+            "msub %[a_Im], %[b_Im];\n"
+            "mfhi %[result];\n"
+       : [result]"=r"(result)
+       : [a_Re]"d"(a_Re), [b_Re]"d"(b_Re),  [a_Im]"d"(a_Im), [b_Im]"d"(b_Im)
+       : "lo");
+
    *c_Re = result;
-   result = (((long long)a_Re * b_Im) - ((long long) a_Im * b_Re)) >> 32;
+
+   __asm__ ("mult %[a_Re], %[b_Im];\n"
+            "madd %[a_Im], %[b_Re];\n"
+            "mfhi %[result];\n"
+       : [result]"=r"(result) 
+       : [a_Re]"r"(a_Re), [b_Im]"r"(b_Im), [a_Im]"r"(a_Im), [b_Re]"r"(b_Re)
+       : "lo");
    *c_Im = result;
 }
 #endif
@@ -123,10 +136,24 @@ inline void cplxMult( FIXP_DBL *c_Re,
                       FIXP_DBL  b_Re,
                       FIXP_DBL  b_Im)
 {
-   INT result;
-   result = (((long long)a_Re * b_Re) - ((long long) a_Im * b_Im)) >> 32;
+  INT result;
+
+   __asm__ ("mult %[a_Re], %[b_Re];\n"
+            "msub %[a_Im], %[b_Im];\n"
+            "mfhi %[result];\n"
+            //"extr_w %[result], 31;\n"
+        : [result]"=r"(result)
+        : [a_Re]"r"(a_Re), [b_Re]"r"(b_Re), [a_Im]"r"(a_Im), [b_Im]"r"(b_Im)
+        : "lo");
    *c_Re = result<<1;
-   result = (((long long)a_Re * b_Im) - ((long long) a_Im * b_Re)) >> 32;
+
+   __asm__ ("mult %[a_Re], %[b_Im];\n"
+            "madd %[a_Im], %[b_Re];\n"
+            "mfhi %[result];\n"
+            //"extr_w %[result], 31;\n"
+        : [result]"=r"(result)
+        : [a_Re]"r"(a_Re), [b_Im]"r"(b_Im), [a_Im]"r"(a_Im), [b_Re]"r"(b_Re)
+        : "lo");
    *c_Im = result<<1;
 }
 #endif
diff --git a/libFDK/include/mips/fixmul_mips.h b/libFDK/include/mips/fixmul_mips.h
index 0e7af0d..62d059e 100644
--- a/libFDK/include/mips/fixmul_mips.h
+++ b/libFDK/include/mips/fixmul_mips.h
@@ -100,11 +100,14 @@ amm-info@iis.fraunhofer.de
 
 inline INT fixmuldiv2_DD (const INT a, const INT b)
 {
-
-  return ((long long) a * b) >> 32;
+  INT result ;
+  result = ((long long)a * b)>>32;
+  return result ;
 }
 
 #endif /* (__GNUC__) && defined(__mips__) */
 
 #endif /* __mips__ */
 
+#define FUNCTION_fixmulBitExact_DD
+#define fixmulBitExact_DD fixmul_DD
diff --git a/libFDK/include/scale.h b/libFDK/include/scale.h
index fcb6c48..d60ed2c 100644
--- a/libFDK/include/scale.h
+++ b/libFDK/include/scale.h
@@ -148,12 +148,20 @@ FIXP_DBL scaleValueSaturate(
 {
   if(scalefactor > 0) {
     if (fNorm(value) < scalefactor && value != (FIXP_DBL)0) {
-      return (FIXP_DBL)MAXVAL_DBL;
+      if (value > (FIXP_DBL)0) {
+        return (FIXP_DBL)MAXVAL_DBL;
+      } else {
+        return (FIXP_DBL)MINVAL_DBL;
+      }
     } else {
       return (value<<scalefactor);
     }
   } else {
+    if (-(DFRACT_BITS-1) > scalefactor) {
+      return (FIXP_DBL)0;
+    } else {
     return (value>>(-scalefactor));
+    }
   }
 }
 #endif
diff --git a/libFDK/include/x86/clz_x86.h b/libFDK/include/x86/clz_x86.h
new file mode 100644
index 0000000..db7970d
--- /dev/null
+++ b/libFDK/include/x86/clz_x86.h
@@ -0,0 +1,154 @@
+
+/* -----------------------------------------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© Copyright  1995 - 2012 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+  All rights reserved.
+
+ 1.    INTRODUCTION
+The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
+the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
+This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
+
+AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
+audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
+independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
+of the MPEG specifications.
+
+Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
+may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
+individually for the purpose of encoding or decoding bit streams in products that are compliant with
+the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
+these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
+software may already be covered under those patent licenses when it is used for those licensed purposes only.
+
+Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
+are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
+applications information and documentation.
+
+2.    COPYRIGHT LICENSE
+
+Redistribution and use in source and binary forms, with or without modification, are permitted without
+payment of copyright license fees provided that you satisfy the following conditions:
+
+You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
+your modifications thereto in source code form.
+
+You must retain the complete text of this software license in the documentation and/or other materials
+provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
+You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
+modifications thereto to recipients of copies in binary form.
+
+The name of Fraunhofer may not be used to endorse or promote products derived from this library without
+prior written permission.
+
+You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
+software or your modifications thereto.
+
+Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
+and the date of any change. For modified versions of the FDK AAC Codec, the term
+"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
+"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
+
+3.    NO PATENT LICENSE
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
+ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
+respect to this software.
+
+You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
+by appropriate patent licenses.
+
+4.    DISCLAIMER
+
+This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
+"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
+of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
+including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
+or business interruption, however caused and on any theory of liability, whether in contract, strict
+liability, or tort (including negligence), arising in any way out of the use of this software, even if
+advised of the possibility of such damage.
+
+5.    CONTACT INFORMATION
+
+Fraunhofer Institute for Integrated Circuits IIS
+Attention: Audio and Multimedia Departments - FDK AAC LL
+Am Wolfsmantel 33
+91058 Erlangen, Germany
+
+www.iis.fraunhofer.de/amm
+amm-info@iis.fraunhofer.de
+----------------------------------------------------------------------------------------------------------- */
+
+/***************************  Fraunhofer IIS FDK Tools  **********************
+
+   Author(s):
+   Description: fixed point intrinsics
+
+******************************************************************************/
+
+#if defined(__GNUC__) && (defined(__x86__) || defined(__x86_64__))
+
+  #define FUNCTION_fixnormz_D
+  #define FUNCTION_fixnorm_D
+
+  inline INT fixnormz_D(LONG value)
+  {
+    INT result;
+
+    if (value != 0) {
+      result = __builtin_clz(value);
+    } else {
+      result = 32;
+    }
+    return result;
+  }
+
+  inline INT fixnorm_D(LONG value)
+  {
+    INT result;
+    if (value == 0) {
+      return 0;
+    }
+    if (value < 0) {
+      value = ~value;
+    }
+    result =  fixnormz_D(value);
+    return result - 1;
+  }
+
+
+#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
+
+#include <intrin.h>
+
+  #define FUNCTION_fixnormz_D
+  #define FUNCTION_fixnorm_D
+
+  inline INT fixnormz_D(LONG value)
+  {
+    unsigned long result = 0;
+    unsigned char err;
+    err = _BitScanReverse(&result, value);
+    if (err) {
+      return 31 - result;
+    } else {
+      return 32;
+    }
+  }
+
+  inline INT fixnorm_D(LONG value)
+  {
+    INT result;
+    if (value == 0) {
+      return 0;
+    }
+    if (value < 0) {
+      value = ~value;
+    }
+    result =  fixnormz_D(value);
+    return result - 1;
+  }
+
+#endif /* toolchain */