vc1: prevent using last_frame as a reference for I/P first frame.
authorRonald S. Bultje <rsbultje@gmail.com>
Tue, 14 Feb 2012 20:40:19 +0000 (12:40 -0800)
committerReinhard Tartler <siretart@tauware.de>
Sun, 26 Feb 2012 09:03:15 +0000 (10:03 +0100)
commit5bcd47cf63cb719e1c650d08cdfb7f4ede351367
tree29f6f8c3ce417f81676d58c5567d1710a3b181ba
parent0c60d5c59fe05de80fc45e097c61b6f5487431de
vc1: prevent using last_frame as a reference for I/P first frame.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit ae591aeea58d64399b8281be31dacec0de85ae04)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
libavcodec/vc1dec.c