From c105e0f077fb988d5c19e1a1beadf839f01e1a3e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Sat, 25 Jul 2015 22:07:41 +0200
Subject: [PATCH] avcodec/aacps_fixed_tablegen: change f_center to 64bit to
avoid overflow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/aacps_fixed_tablegen.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavcodec/aacps_fixed_tablegen.h b/libavcodec/aacps_fixed_tablegen.h
index 701a9d2b2bc..01f2eced644 100644
--- a/libavcodec/aacps_fixed_tablegen.h
+++ b/libavcodec/aacps_fixed_tablegen.h
@@ -349,7 +349,8 @@ static void ps_tableinit(void)
}
for (k = 0; k < NR_ALLPASS_BANDS20; k++) {
- int theta, f_center;
+ int theta;
+ int64_t f_center;
int c, s;
if (k < FF_ARRAY_ELEMS(f_center_20))
@@ -377,7 +378,7 @@ static void ps_tableinit(void)
if (k < FF_ARRAY_ELEMS(f_center_34))
f_center = f_center_34[k];
else
- f_center = (k << 26) - (53 << 25);
+ f_center = ((int64_t)k << 26) - (53 << 25);
for (m = 0; m < PS_AP_LINKS; m++) {
theta = (int)(((int64_t)fractional_delay_links[m] * f_center + 0x10000000) >> 27);
--
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