avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 1 Dec 2015 11:44:23 +0000 (12:44 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 14 Dec 2015 15:51:00 +0000 (16:51 +0100)
commit88ccca204ab67d8eda5745a94eed69882af6a3dc
treeefb2e6bdf81e3626f50eda768a2c95cb5cbad6fc
parent07a30246315b568fc2155e17a4e78529082657ed
avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

The code expects actual positive numbers and gives completely wrong
results if INT64_MIN is treated as positive
Instead clip it into the valid range that is add 1 and treat it as
negative

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 25e37f5ea92d4201976a59ae306ce848d257a7e6)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavutil/mathematics.c