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>
Tue, 1 Dec 2015 12:26:12 +0000 (13:26 +0100)
commit25e37f5ea92d4201976a59ae306ce848d257a7e6
treebe19f5a32f13b16c0eddfce01470260b44269c5b
parent3a9cb18855d29c96a5d9d2f5ad30448cae3a2ddf
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>
libavutil/mathematics.c