James Almer a43e9cdd44 avformat/isom: don't free extradata before calling ff_get_extradata() ...

ff_get_extradata() frees any existing extradata before allocating now,
and using av_free() here leaves a dangling pointer that will result in
a double free.

Fixes a regression since 0ca33b1d4e.

Tested-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

2018-03-06 23:41:32 -03:00

33 KiB

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