[FFmpeg-devel] [PATCH 1/4] softfloat: handle INT32_MIN correctly in av_normalize1_sf
Andreas Cadhalpun
andreas.cadhalpun at googlemail.com
Sun Nov 8 00:07:08 CET 2015
Otherwise a.mant=INT32_MIN triggers the av_assert2.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
libavutil/softfloat.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h
index 00ff4a1..5fa5dc0 100644
--- a/libavutil/softfloat.h
+++ b/libavutil/softfloat.h
@@ -77,6 +77,10 @@ static inline av_const SoftFloat av_normalize1_sf(SoftFloat a){
if((int32_t)(a.mant + 0x40000000U) <= 0){
a.exp++;
a.mant>>=1;
+ if(a.mant == -0x40000000){
+ a.exp++;
+ a.mant>>=1;
+ }
}
av_assert2(a.mant < 0x40000000 && a.mant > -0x40000000);
return a;
--
2.6.2
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