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>
Sun, 6 Dec 2015 01:51:27 +0000 (02:51 +0100)
commit460710500e172042144784a3152aa8d1c5c29cf6
tree72f300adbfbc945747f6efa2454006e72479b119
parent4d9999705f406b508e4ba017cd804b8688b64d68
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