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ffmpeg: Fix crash with ost->last_frame allocation failure 

Fixes: 1013dbde2c360d939cc2dfc33e4f275c_signal_sigsegv_a0500f_45_320vp3.nsv with memlimit of 536870912

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fd4c87fa3b)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-14 13:02:19 +02:00
parent 3e167497c7
commit 40f5222e9c
1 changed files with 1 additions and 1 deletions
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ffmpeg.c
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@ -1148,7 +1148,7 @@ static void do_video_out(AVFormatContext *s,
if (!ost->last_frame) if (!ost->last_frame)
ost->last_frame = av_frame_alloc(); ost->last_frame = av_frame_alloc();
av_frame_unref(ost->last_frame); av_frame_unref(ost->last_frame);
if (next_picture) if (next_picture && ost->last_frame)
av_frame_ref(ost->last_frame, next_picture); av_frame_ref(ost->last_frame, next_picture);
else else
av_frame_free(&ost->last_frame); av_frame_free(&ost->last_frame);