From 62e0ca08ab53ab03e014c4851583de8861cd9adb Mon Sep 17 00:00:00 2001
|
From: Xing Zheng <zhengxing@rock-chips.com>
|
Date: Wed, 7 Jul 2021 15:12:10 +0800
|
Subject: [PATCH] alsa-lib: fix the overflow if DCB_FILTER_16BIT is defened
|
|
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
|
---
|
src/pcm/pcm.c | 12 ++++++------
|
1 file changed, 6 insertions(+), 6 deletions(-)
|
|
diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
|
index 7be6cb7..f96c77d 100644
|
--- a/src/pcm/pcm.c
|
+++ b/src/pcm/pcm.c
|
@@ -698,7 +698,7 @@ static int16_t y_prev_r3=0;
|
void dc_filter_left1(int16_t *pcmIn)
|
{
|
int16_t sampleIn, delta_x, sampleOut;
|
- int16_t a1_y_prev;
|
+ int32_t a1_y_prev;
|
|
sampleIn = *pcmIn;
|
delta_x = sampleIn-x_prev_l1;
|
@@ -713,7 +713,7 @@ void dc_filter_left1(int16_t *pcmIn)
|
void dc_filter_right1(int16_t *pcmIn)
|
{
|
int16_t sampleIn, delta_x, sampleOut;
|
- int16_t a1_y_prev;
|
+ int32_t a1_y_prev;
|
|
sampleIn = *pcmIn;
|
delta_x = sampleIn-x_prev_r1;
|
@@ -728,7 +728,7 @@ void dc_filter_right1(int16_t *pcmIn)
|
void dc_filter_left2(int16_t *pcmIn)
|
{
|
int16_t sampleIn, delta_x, sampleOut;
|
- int16_t a1_y_prev;
|
+ int32_t a1_y_prev;
|
|
sampleIn = *pcmIn;
|
delta_x = sampleIn-x_prev_l2;
|
@@ -744,7 +744,7 @@ void dc_filter_left2(int16_t *pcmIn)
|
void dc_filter_right2(int16_t *pcmIn)
|
{
|
int16_t sampleIn, delta_x, sampleOut;
|
- int16_t a1_y_prev;
|
+ int32_t a1_y_prev;
|
|
sampleIn = *pcmIn;
|
delta_x = sampleIn-x_prev_r2;
|
@@ -759,7 +759,7 @@ void dc_filter_right2(int16_t *pcmIn)
|
void dc_filter_left3(int16_t *pcmIn)
|
{
|
int16_t sampleIn, delta_x, sampleOut;
|
- int16_t a1_y_prev;
|
+ int32_t a1_y_prev;
|
|
sampleIn = *pcmIn;
|
delta_x = sampleIn-x_prev_l3;
|
@@ -775,7 +775,7 @@ void dc_filter_left3(int16_t *pcmIn)
|
void dc_filter_right3(int16_t *pcmIn)
|
{
|
int16_t sampleIn, delta_x, sampleOut;
|
- int16_t a1_y_prev;
|
+ int32_t a1_y_prev;
|
|
sampleIn = *pcmIn;
|
delta_x = sampleIn-x_prev_r3;
|
--
|
2.25.1
|
