avcodec/adpcm: Check idelta
authorMichael Niedermayer <michaelni@gmx.at>
Thu, 18 Dec 2014 15:09:31 +0000 (16:09 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Thu, 18 Dec 2014 15:10:23 +0000 (16:10 +0100)
commite59c28b16660b8f86ef05c7f0db4db89e62ed55f
tree51f6959432ad1347866aff716ac39a1313c19ee8
parent61296d41e2de3b41304339e4631dd44c2e15f805
avcodec/adpcm: Check idelta

Fixes integer overflow
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>
libavcodec/adpcm.c