AnotherFoxGuy/webrtc-audio-processing
1
0
Fork 0
Code Pull Requests Activity

Update to current webrtc library

Browse Source 
This is from the upstream library commit id
3326535126e435f1ba647885ce43a8f0f3d317eb, corresponding to Chromium
88.0.4290.1.
This commit is contained in:
Arun Raghavan
2020-10-12 18:08:02 -04:00
parent b1b02581d3
commit bcec8b0b21
859 changed files with 76187 additions and 49580 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
webrtc/common_audio/signal_processing/resample_by_2_internal.c
View File

@ -14,7 +14,8 @@
*
*/
#include "webrtc/common_audio/signal_processing/resample_by_2_internal.h"
#include "common_audio/signal_processing/resample_by_2_internal.h"
#include "rtc_base/sanitizer.h"
// allpass filter coefficients.
static const int16_t kResampleAllpass[2][3] = {
@ -28,8 +29,9 @@ static const int16_t kResampleAllpass[2][3] = {
// output: int16_t (saturated) (of length len/2)
// state: filter state array; length = 8
void WebRtcSpl_DownBy2IntToShort(int32_t *in, int32_t len, int16_t *out,
int32_t *state)
void RTC_NO_SANITIZE("signed-integer-overflow") // bugs.webrtc.org/5486
WebRtcSpl_DownBy2IntToShort(int32_t *in, int32_t len, int16_t *out,
int32_t *state)
{
int32_t tmp0, tmp1, diff;
int32_t i;
@ -41,6 +43,8 @@ void WebRtcSpl_DownBy2IntToShort(int32_t *in, int32_t len, int16_t *out,
{
tmp0 = in[i << 1];
diff = tmp0 - state[1];
// UBSan: -1771017321 - 999586185 cannot be represented in type 'int'
// scale down and round
diff = (diff + (1 << 13)) >> 14;
tmp1 = state[0] + diff * kResampleAllpass[1][0];
@ -121,10 +125,11 @@ void WebRtcSpl_DownBy2IntToShort(int32_t *in, int32_t len, int16_t *out,
// output: int32_t (shifted 15 positions to the left, + offset 16384) (of length len/2)
// state: filter state array; length = 8
void WebRtcSpl_DownBy2ShortToInt(const int16_t *in,
int32_t len,
int32_t *out,
int32_t *state)
void RTC_NO_SANITIZE("signed-integer-overflow") // bugs.webrtc.org/5486
WebRtcSpl_DownBy2ShortToInt(const int16_t *in,
int32_t len,
int32_t *out,
int32_t *state)
{
int32_t tmp0, tmp1, diff;
int32_t i;
@ -141,6 +146,8 @@ void WebRtcSpl_DownBy2ShortToInt(const int16_t *in,
tmp1 = state[0] + diff * kResampleAllpass[1][0];
state[0] = tmp0;
diff = tmp1 - state[2];
// UBSan: -1379909682 - 834099714 cannot be represented in type 'int'
// scale down and truncate
diff = diff >> 14;
if (diff < 0)
@ -549,8 +556,9 @@ void WebRtcSpl_LPBy2ShortToInt(const int16_t* in, int32_t len, int32_t* out,
// input: int32_t (shifted 15 positions to the left, + offset 16384)
// output: int32_t (normalized, not saturated)
// state: filter state array; length = 8
void WebRtcSpl_LPBy2IntToInt(const int32_t* in, int32_t len, int32_t* out,
int32_t* state)
void RTC_NO_SANITIZE("signed-integer-overflow") // bugs.webrtc.org/5486
WebRtcSpl_LPBy2IntToInt(const int32_t* in, int32_t len, int32_t* out,
int32_t* state)
{
int32_t tmp0, tmp1, diff;
int32_t i;
@ -594,6 +602,8 @@ void WebRtcSpl_LPBy2IntToInt(const int32_t* in, int32_t len, int32_t* out,
{
tmp0 = in[i << 1];
diff = tmp0 - state[5];
// UBSan: -794814117 - 1566149201 cannot be represented in type 'int'
// scale down and round
diff = (diff + (1 << 13)) >> 14;
tmp1 = state[4] + diff * kResampleAllpass[0][0];