[Opus] Update to v1.2.1

third_party/opus/src/celt/fixed_debug.h

 /* Copyright (C) 2003-2008 Jean-Marc Valin
    Copyright (C) 2007-2012 Xiph.Org Foundation */
 /**
    @file fixed_debug.h
    @brief Fixed-point operations with debugging
 */
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
@@ skipping 41 matching lines @@
 #define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))
 #define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))
 
 #define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
 #define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
 #define VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))
 
 #define SHR(a,b) SHR32(a,b)
 #define PSHR(a,b) PSHR32(a,b)
 
+/** Add two 32-bit values, ignore any overflows */
+#define ADD32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)+(opus_uint32)(b)))
+/** Subtract two 32-bit values, ignore any overflows */
+#define SUB32_ovflw(a,b) (celt_mips+=2,(opus_val32)((opus_uint32)(a)-(opus_uint32)(b)))
+/* Avoid MSVC warning C4146: unary minus operator applied to unsigned type */
+/** Negate 32-bit value, ignore any overflows */
+#define NEG32_ovflw(a) (celt_mips+=2,(opus_val32)(0-(opus_uint32)(a)))
+
 static OPUS_INLINE short NEG16(int x)
 {
    int res;
    if (!VERIFY_SHORT(x))
    {
       fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
 #ifdef FIXED_DEBUG_ASSERT
       celt_assert(0);
 #endif
    }
@@ skipping 148 matching lines @@
 #endif
    }
    celt_mips+=2;
    return res;
 }
 
 #define PSHR32(a,shift) (celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))
 #define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
 
 #define ROUND16(x,a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))
+#define SROUND16(x,a) (celt_mips--,EXTRACT16(SATURATE(PSHR32(x,a), 32767)));
+
 #define HALF16(x)  (SHR16(x,1))
 #define HALF32(x)  (SHR32(x,1))
 
-//#define SHR(a,shift) ((a) >> (shift))
-//#define SHL(a,shift) ((a) << (shift))
-
 #define ADD16(a, b) ADD16_(a, b, __FILE__, __LINE__)
 static OPUS_INLINE short ADD16_(int a, int b, char *file, int line)
 {
    int res;
    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
    {
       fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
 #ifdef FIXED_DEBUG_ASSERT
       celt_assert(0);
 #endif
@@ skipping 529 matching lines @@
    x = MIN32(x, 32767);
    return EXTRACT16(x);
 }
 #define SIG2WORD16(x) (SIG2WORD16_generic(x))
 
 
 #undef PRINT_MIPS
 #define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
 
 #endif