ffmpeg/libavformat
Andreas Rheinhardt 69c04606d0 avformat/hnm: Check for extradata allocation failure
and also add padding to it; moreover, don't use memcpy to write one byte
to extradata.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9e0f3352d1f37a739d98df4347a2b60a396a56fe)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-07-02 10:15:07 +02:00
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