libav: avoid dividing by zero on insane fps/par
authorVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Wed, 30 Apr 2014 15:14:50 +0000 (16:14 +0100)
committerVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Wed, 30 Apr 2014 17:18:50 +0000 (18:18 +0100)
commit4f1fd2687d280bc71ce1b4768dd3e16350cfa52d
treec16eacf869af924650167fab1504de7ce47d6771
parent3529de17842562aaf5c07df08cb65957556bdcd3
libav: avoid dividing by zero on insane fps/par

While there, fix mixup in num/den with par (copied from fps,
apparently, and fps inverts fps to time base).

Coverity 1139696
ext/libav/gstavcodecmap.c