tree 14d0ca6d6e8e77e27663b9fac5304b7b125ee9ce
parent 7c592cc84c7e2e39e26633f544d81a5d9a99f7c4
author Chong Zhang <chz@google.com> 1521578242 -0700
committer android-build-team Robot <android-build-team-robot@google.com> 1521751315 +0000

fix crash due to no output format available -- DO NOT MERGE

Output format should arrive before we get first frame, but if
it doesn't, better fail it than crash.

bug: 69924594
bug: 75978033
Change-Id: I057ba49c8f83b9a301d409510717039ad894c391
(cherry picked from commit 6cb243cd2bb4d2fb41d12394fe5731ba098fc2ef)