[FFmpeg-cvslog] lavf/utils: Avoid an overflow for huge negative durations.

ffmpeg | branch: release/3.0 | Carl Eugen Hoyos | Sat Sep 24 13:07:39 2016 +0200| [73b644cdee8a45d2fd736f556b6414615d11d970] | committer: Carl Eugen Hoyos lavf/utils: Avoid an overflow for huge negative durations. Fixes ticket #5135. (cherry picked from commit 267da70ea8c36caaa645a3c4f1c5f0ca8

[FFmpeg-cvslog] lavf/utils: Avoid an overflow for huge negative durations.

ffmpeg | branch: master | Carl Eugen Hoyos | Sat Sep 24 13:07:39 2016 +0200| [267da70ea8c36caaa645a3c4f1c5f0ca8bae156a] | committer: Carl Eugen Hoyos lavf/utils: Avoid an overflow for huge negative durations. Fixes ticket #5135. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=267d

[FFmpeg-cvslog] lavf/utils: Avoid an overflow for huge negative durations.

ffmpeg | branch: release/3.1 | Carl Eugen Hoyos | Sat Sep 24 13:07:39 2016 +0200| [8b21b44e7e312589a6c4dbad1b4214f2a03fb54a] | committer: Carl Eugen Hoyos lavf/utils: Avoid an overflow for huge negative durations. Fixes ticket #5135. (cherry picked from commit 267da70ea8c36caaa645a3c4f1c5f0ca8