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-rw-r--r--libavcodec/apedec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index d33139be7d..85d26aef27 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -1305,7 +1305,7 @@ static void do_apply_filter(APEContext *ctx, int version, APEFilter *f,
/* Update the adaption coefficients */
absres = FFABS(res);
if (absres)
- *f->adaptcoeffs = ((res & (-1<<31)) ^ (-1<<30)) >>
+ *f->adaptcoeffs = ((res & ((~0UL) << 31)) ^ ((~0UL) << 30)) >>
(25 + (absres <= f->avg*3) + (absres <= f->avg*4/3));
else
*f->adaptcoeffs = 0;