avfilter/af_join: Fix crash in join filter
authorNikolas Bowe <nbowe-at-google.com@ffmpeg.org>
Fri, 2 Feb 2018 23:11:04 +0000 (15:11 -0800)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 3 Feb 2018 20:37:19 +0000 (21:37 +0100)
commitc86490c49a3d0683b2f63338430a369c174e2bd5
treec66d8385a02eba10f5505912235d66d1d1c6a3fd
parente3d946b3f48fa000e2ba917ecb1bf21e5fe947fb
avfilter/af_join: Fix crash in join filter

Previously if ff_outlink_frame_wanted() returned 0 it could dereference a null pointer when trying to read nb_samples.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavfilter/af_join.c