[Opus] Update to v1.2.1

third_party/opus/src/celt/arch.h

 /* Copyright (c) 2003-2008 Jean-Marc Valin
    Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
    Written by Jean-Marc Valin */
 /**
    @file arch.h
    @brief Various architecture definitions for CELT
 */
 /*
    Redistribution and use in source and binary forms, with or without
@@ skipping 28 matching lines @@
 
 # if !defined(__GNUC_PREREQ)
 #  if defined(__GNUC__)&&defined(__GNUC_MINOR__)
 #   define __GNUC_PREREQ(_maj,_min) \
  ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
 #  else
 #   define __GNUC_PREREQ(_maj,_min) 0
 #  endif
 # endif
 
+#if OPUS_GNUC_PREREQ(3, 0)
+#define opus_likely(x)       (__builtin_expect(!!(x), 1))
+#define opus_unlikely(x)     (__builtin_expect(!!(x), 0))
+#else
+#define opus_likely(x)       (!!(x))
+#define opus_unlikely(x)     (!!(x))
+#endif
+
 #define CELT_SIG_SCALE 32768.f
 
 #define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
 #ifdef ENABLE_ASSERTIONS
 #include <stdio.h>
 #include <stdlib.h>
 #ifdef __GNUC__
 __attribute__((noreturn))
 #endif
 static OPUS_INLINE void _celt_fatal(const char *str, const char *file, int line)
@@ skipping 27 matching lines @@
 #else
 #define OPUS_FAST_INT64 0
 #endif
 
 #define PRINT_MIPS(file)
 
 #ifdef FIXED_POINT
 
 typedef opus_int16 opus_val16;
 typedef opus_int32 opus_val32;
+typedef opus_int64 opus_val64;
 
 typedef opus_val32 celt_sig;
 typedef opus_val16 celt_norm;
 typedef opus_val32 celt_ener;
 
 #define Q15ONE 32767
 
 #define SIG_SHIFT 12
+/* Safe saturation value for 32-bit signals. Should be less than
+   2^31*(1-0.85) to avoid blowing up on DC at deemphasis.*/
+#define SIG_SAT (300000000)
 
 #define NORM_SCALING 16384
 
 #define DB_SHIFT 10
 
 #define EPSILON 1
 #define VERY_SMALL 0
 #define VERY_LARGE16 ((opus_val16)32767)
 #define Q15_ONE ((opus_val16)32767)
 
@@ skipping 26 matching lines @@
 #elif defined (TI_C6X_ASM)
 #include "fixed_c6x.h"
 #endif
 
 #endif
 
 #else /* FIXED_POINT */
 
 typedef float opus_val16;
 typedef float opus_val32;
+typedef float opus_val64;
 
 typedef float celt_sig;
 typedef float celt_norm;
 typedef float celt_ener;
 
 #ifdef FLOAT_APPROX
 /* This code should reliably detect NaN/inf even when -ffast-math is used.
    Assumes IEEE 754 format. */
 static OPUS_INLINE int celt_isnan(float x)
 {
@@ skipping 19 matching lines @@
 
 /* This appears to be the same speed as C99's fabsf() but it's more portable. */
 #define ABS16(x) ((float)fabs(x))
 #define ABS32(x) ((float)fabs(x))
 
 #define QCONST16(x,bits) (x)
 #define QCONST32(x,bits) (x)
 
 #define NEG16(x) (-(x))
 #define NEG32(x) (-(x))
+#define NEG32_ovflw(x) (-(x))
 #define EXTRACT16(x) (x)
 #define EXTEND32(x) (x)
 #define SHR16(a,shift) (a)
 #define SHL16(a,shift) (a)
 #define SHR32(a,shift) (a)
 #define SHL32(a,shift) (a)
 #define PSHR32(a,shift) (a)
 #define VSHR32(a,shift) (a)
 
 #define PSHR(a,shift)   (a)
 #define SHR(a,shift)    (a)
 #define SHL(a,shift)    (a)
 #define SATURATE(x,a)   (x)
 #define SATURATE16(x)   (x)
 
 #define ROUND16(a,shift)  (a)
+#define SROUND16(a,shift) (a)
 #define HALF16(x)       (.5f*(x))
 #define HALF32(x)       (.5f*(x))
 
 #define ADD16(a,b) ((a)+(b))
 #define SUB16(a,b) ((a)-(b))
 #define ADD32(a,b) ((a)+(b))
 #define SUB32(a,b) ((a)-(b))
+#define ADD32_ovflw(a,b) ((a)+(b))
+#define SUB32_ovflw(a,b) ((a)-(b))
 #define MULT16_16_16(a,b)     ((a)*(b))
 #define MULT16_16(a,b)     ((opus_val32)(a)*(opus_val32)(b))
 #define MAC16_16(c,a,b)     ((c)+(opus_val32)(a)*(opus_val32)(b))
 
 #define MULT16_32_Q15(a,b)     ((a)*(b))
 #define MULT16_32_Q16(a,b)     ((a)*(b))
 
 #define MULT32_32_Q31(a,b)     ((a)*(b))
 
 #define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))
@@ skipping 14 matching lines @@
 
 #define SCALEIN(a)      ((a)*CELT_SIG_SCALE)
 #define SCALEOUT(a)     ((a)*(1/CELT_SIG_SCALE))
 
 #define SIG2WORD16(x) (x)
 
 #endif /* !FIXED_POINT */
 
 #ifndef GLOBAL_STACK_SIZE
 #ifdef FIXED_POINT
-#define GLOBAL_STACK_SIZE 100000
+#define GLOBAL_STACK_SIZE 120000
 #else
-#define GLOBAL_STACK_SIZE 100000
+#define GLOBAL_STACK_SIZE 120000
 #endif
 #endif
 
 #endif /* ARCH_H */