png: convert to bytestream2 API.
authorRonald S. Bultje <rsbultje@gmail.com>
Thu, 8 Mar 2012 00:16:20 +0000 (16:16 -0800)
committerRonald S. Bultje <rsbultje@gmail.com>
Thu, 8 Mar 2012 19:17:25 +0000 (11:17 -0800)
commit4c25269cedd042abcb823c42d33609564861c374
tree9c6c1c6af5658b9bd4ee678c7695b96afd82fd7b
parent681e72686555c2d334fc20c3c036bc0149139e6b
png: convert to bytestream2 API.

Protects against overreads in the input buffer.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
libavcodec/pngdec.c