avcodec/indeo3: use signed variables to avoid underflow
authorMichael Niedermayer <michaelni@gmx.at>
Wed, 17 Dec 2014 02:14:21 +0000 (03:14 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Wed, 17 Dec 2014 04:24:36 +0000 (05:24 +0100)
commitcd51f41791395d76a015851295a88d06069117c0
tree1cfd216da9ab18e3f5dbb1a4fc82ba3c509c479d
parentda811dfc93a9e3d5f9669acd3dd5f1703b8cb21e
avcodec/indeo3: use signed variables to avoid underflow

Fixes out of array read
Fixes: signal_sigsegv_1b0a4da_1865_cov_2167818389_computer_anger.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3305acdc92fa37869f160a11a87741c8a0de0454)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/indeo3.c