avf_showwaves: fix null pointer dereference
authorMichael Niedermayer <michaelni@gmx.at>
Mon, 21 Jan 2013 22:00:20 +0000 (23:00 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Mon, 21 Jan 2013 22:00:20 +0000 (23:00 +0100)
commite4eebc2da9da886e1bdf87d29e9a4c5b55111036
treef2345143ecb8e52844819f01d381020757c35cb8
parent03a82d588b74b738563dc6709ff00011529ad407
avf_showwaves: fix null pointer dereference

Found-by: durandal_1707
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavfilter/avf_showwaves.c