[FFmpeg-devel] [PATCH 13/15] avcodec/mlpenc: Use 64 for ml, mr
Michael Niedermayer
michael at niedermayer.cc
Fri Jul 5 03:21:54 EEST 2024
Fixes: CID1604429 Overflowed constant
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/mlpenc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c
index 67e0e109aa0..06670de456e 100644
--- a/libavcodec/mlpenc.c
+++ b/libavcodec/mlpenc.c
@@ -1414,7 +1414,8 @@ static int estimate_coeff(MLPEncodeContext *ctx, MLPSubstream *s,
int32_t maxl = INT32_MIN, maxr = INT32_MIN, minl = INT32_MAX, minr = INT32_MAX;
int64_t summ = 0, sums = 0, suml = 0, sumr = 0, enl = 0, enr = 0;
const int shift = 14 - ctx->rematrix_precision;
- int32_t cf0, cf1, e[4], d[4], ml, mr;
+ int32_t cf0, cf1, e[4], d[4];
+ int64_t ml, mr;
int i, count = 0;
for (int j = 0; j <= ctx->cur_restart_interval; j++) {
@@ -1447,8 +1448,8 @@ static int estimate_coeff(MLPEncodeContext *ctx, MLPSubstream *s,
summ -= FFABS(suml + sumr);
sums -= FFABS(suml - sumr);
- ml = maxl - minl;
- mr = maxr - minr;
+ ml = maxl - (int64_t)minl;
+ mr = maxr - (int64_t)minr;
if (!summ && !sums)
return 0;
--
2.45.2
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