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Fix ASAN warnings

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This commit is contained in:
Ken Cooke 2018-05-02 09:39:42 -07:00
parent a4105f1081
commit 05c534991e
1 changed files with 15 additions and 16 deletions
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31
libraries/audio/src/AudioDynamics.h
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@ -10,9 +10,9 @@
// Inline functions to implement audio dynamics processing
//
#include <stddef.h>
#include <math.h>
#include <stdint.h>
#include <stddef.h>
#ifndef MAX
#define MAX(a,b) ((a) > (b) ? (a) : (b))
@ -147,13 +147,13 @@ static const int IEEE754_EXPN_BIAS = 127;
static inline int32_t peaklog2(float* input) {
// float as integer bits
int32_t u = *(int32_t*)input;
uint32_t u = *(uint32_t*)input;
// absolute value
int32_t peak = u & IEEE754_FABS_MASK;
uint32_t peak = u & IEEE754_FABS_MASK;
// split into e and x - 1.0
int32_t e = IEEE754_EXPN_BIAS - (peak >> IEEE754_MANT_BITS) + LOG2_HEADROOM;
int e = IEEE754_EXPN_BIAS - (peak >> IEEE754_MANT_BITS) + LOG2_HEADROOM;
int32_t x = (peak << IEEE754_EXPN_BITS) & 0x7fffffff;
// saturate
@ -183,16 +183,16 @@ static inline int32_t peaklog2(float* input) {
static inline int32_t peaklog2(float* input0, float* input1) {
// float as integer bits
int32_t u0 = *(int32_t*)input0;
int32_t u1 = *(int32_t*)input1;
uint32_t u0 = *(uint32_t*)input0;
uint32_t u1 = *(uint32_t*)input1;
// max absolute value
u0 &= IEEE754_FABS_MASK;
u1 &= IEEE754_FABS_MASK;
int32_t peak = MAX(u0, u1);
uint32_t peak = MAX(u0, u1);
// split into e and x - 1.0
int32_t e = IEEE754_EXPN_BIAS - (peak >> IEEE754_MANT_BITS) + LOG2_HEADROOM;
int e = IEEE754_EXPN_BIAS - (peak >> IEEE754_MANT_BITS) + LOG2_HEADROOM;
int32_t x = (peak << IEEE754_EXPN_BITS) & 0x7fffffff;
// saturate
@ -222,20 +222,20 @@ static inline int32_t peaklog2(float* input0, float* input1) {
static inline int32_t peaklog2(float* input0, float* input1, float* input2, float* input3) {
// float as integer bits
int32_t u0 = *(int32_t*)input0;
int32_t u1 = *(int32_t*)input1;
int32_t u2 = *(int32_t*)input2;
int32_t u3 = *(int32_t*)input3;
uint32_t u0 = *(uint32_t*)input0;
uint32_t u1 = *(uint32_t*)input1;
uint32_t u2 = *(uint32_t*)input2;
uint32_t u3 = *(uint32_t*)input3;
// max absolute value
u0 &= IEEE754_FABS_MASK;
u1 &= IEEE754_FABS_MASK;
u2 &= IEEE754_FABS_MASK;
u3 &= IEEE754_FABS_MASK;
int32_t peak = MAX(MAX(u0, u1), MAX(u2, u3));
uint32_t peak = MAX(MAX(u0, u1), MAX(u2, u3));
// split into e and x - 1.0
int32_t e = IEEE754_EXPN_BIAS - (peak >> IEEE754_MANT_BITS) + LOG2_HEADROOM;
int e = IEEE754_EXPN_BIAS - (peak >> IEEE754_MANT_BITS) + LOG2_HEADROOM;
int32_t x = (peak << IEEE754_EXPN_BITS) & 0x7fffffff;
// saturate
@ -303,8 +303,7 @@ static inline int32_t fixlog2(int32_t x) {
// split into e and x - 1.0
uint32_t u = (uint32_t)x;
int e = CLZ(u);
u <<= e; // normalize to [0x80000000, 0xffffffff]
x = u & 0x7fffffff; // x - 1.0
x = (u << e) & 0x7fffffff;
int k = x >> (31 - LOG2_TABBITS);